CN203488405U - Non-stop angle-adjustment air cooler fan - Google Patents
Non-stop angle-adjustment air cooler fan Download PDFInfo
- Publication number
- CN203488405U CN203488405U CN201320372294.1U CN201320372294U CN203488405U CN 203488405 U CN203488405 U CN 203488405U CN 201320372294 U CN201320372294 U CN 201320372294U CN 203488405 U CN203488405 U CN 203488405U
- Authority
- CN
- China
- Prior art keywords
- push
- bearing
- sleeve
- pull rod
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims 6
- 210000004907 gland Anatomy 0.000 claims 5
- 230000007704 transition Effects 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 3
- 239000007787 solid Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 2
- 238000003754 machining Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a non-stop angle-adjustment air cooler fan, which comprises an impeller assembly, a push-pull rod assembly (4), a connecting assembly and a main shaft, wherein the push-pull assembly (4) and the main shaft form a fan rotation shaft, the non-stop angle-adjustment axial flow fan also comprises a sliding execution disk (5) and a hub body (7), the push-pull assembly (4) comprises a push bearing (4-4), the push bearing (4-4) is disposed in an internal bearing room of the sliding execution disk (5), the sliding execution disk (5) is connected to the impeller assembly and is connected to the hub body (7) by an axial guiding structure; and the connecting assembly is connected to the push-pull assembly (4), and the connecting assembly is fixed on an air cooler. With the utility model, mutual noninterference between the rotation of the impeller assembly with the fan and the relative rotation of the push-pull assembly is realized, the impeller assembly is driven to realize axial displacement, non-stop angle adjustment is realized, and the non-stop angle-adjustment air cooler fan can be applicable to different types of the air coolers.
Description
Technical field
The utility model relates to the axial-flow blower in petrochemical industry, production process of natural gas, particularly, and a kind of angle modulation axial-flow blower of not shutting down of the utility model design.
Background technique
The fan for air cooler using in the production processes such as petrochemical industry, rock gas, be mainly closed-down manual turn angle fan, it forms (as shown in Figure 1) by structures such as blade, U bolt assembly and hub bodies, the fan for air cooler of said structure, when adjusting vane angle, adopts the form of after shutting down, each blade being carried out manual tune, and process is complicated, time-consuming, need many people to coordinate, under narrow place, many people coordinate angle modulation to implement; And to each blade manual tune one by one, cannot guarantee that whole Fans blade angle is consistent, cause blower fan galloping.In addition, if for the continuous flow procedure of petrochemical industry, rock gas, because the technological requirement of this class process does not allow long-time shutdown, often cannot regulate blade angle.Although exist can be when not shutting down the fan for air cooler of synchronous angle-regulating; but the existing turn angle fan of not shutting down is mainly used in forced draft air-cooler; it mainly forms (as shown in Figure 2) by impeller assembly, shackle rod, fixed support and hand wheel component; but its complex structure; blower fan operational failure is high; change assembly (when especially blower fan is changed belt) and need dismounting hand wheel component, maintenance is complicated.Therefore be badly in need of wanting a kind of simple in structure, easy operating and maintenance do not shut down angle modulation axial-flow blower, convenient for air cooling device not of the same race (forced draft air-cooler and induced draft air-cooler as conventional in prior art).
Model utility content
In order to solve existing axial-flow blower complex structure, maintenance difficult, adjusting angle, be difficult to operation and cannot be applicable to not the problems such as air cooling device of the same race; the utility model provides a kind of angle modulation axial-flow blower of not shutting down; relative position by push-pull rod component and connection part changes; control the angular transformation of impeller assembly Leaf; simple in structure; easy to maintenance, the structure difference of its main shaft can be suitable for air cooling device not of the same race.
A kind of angle modulation axial-flow blower of not shutting down provided by the utility model, it comprises impeller assembly, push-pull rod component 4, connection part and main shaft, it is characterized in that:
Described push-pull rod component 4 forms blower fan running shaft with main shaft, and described push-pull rod component 4 overlaps with the central axis of main shaft and the rotation center line of described blower fan 20;
The described angle modulation axial-flow blower of not shutting down also comprises slip execution dish 5 and hub body 7, described push-pull rod component 4 comprises thrust-bearing 4-4, described thrust-bearing 4-4 is arranged on described slip execution and coils in 5 internal bearings chambers, and described slip execution dish 5 is connected with described impeller assembly;
Described slip execution dish 5 is connected by axially directed structure with described hub body 7;
Described connection part is connected with described push-pull rod component 4, and described connection part and air cooling device are fixed.
Described slip execution dish 5 comprises cap shape sleeve and gland, and described bearing chamber is comprised of the cavity at cap shape sleeve and gland center, and described gland is bolted on cap shape sleeve;
Gland is preferably discoid, the surrounding of gland is evenly equipped with open-work in order to pass clamping bolt, and gland upper surface is plane, and lower surface has protruding annulus 5-1, the lower end face of annulus 5-1 is used for compressing thrust-bearing 4-4 top outer shroud 4-4-2, and annulus 5-1 outside forms positioning spigot.The bearing chamber bottom of cap shape sleeve is processed with inner convex platform 5-2 for holding out against thrust-bearing 4-4 bottom outer shroud 4-4-2.During for induced draft type blower fan, described gland center has open-work, so that transmission lever 4-3 passes to adapt to the structure of induced draft type blower fan.
Described hub body 7 comprises two cylindrical drum up and down that diameter does not wait, and it is guide pillar that upper cylindrical drum diameter is less than lower cylindrical drum diameter, and lower cylindrical outer tube is fixedly nested with ring dish type and is integral formula structure;
Described axially directed structure comprises guide finger 7-1 and guiding groove 7-2, the described hub body 7 guide pillar outer side walls of the fixing insertion of described guide finger 7-1, described guiding groove 7-2 is opened in described slip execution and coils 5 cap shape sleeve two bottom sides, the long strip groove that described guiding groove 7-2 is bottom opening, described guide finger 7-1 inserts described guiding groove 7-2, and the diameter of described guide finger 7-1 is than the little 0.1～0.2mm of the width of described guiding groove 7-2.As shown in Figure 6B, the gabarit figure of guiding groove is that the semi-circle on two parallel lines and top is tangent, and the width of guiding groove refers to the distance of two parallel lines, the distance that in figure, f represents.In addition, the diameter of semi-circle equates with guiding groove width, and generally groove is milling machine shaping, and semicircle is that milling cutter processing technology determines, considers the convenience of actual processing, and top is generally processed as above-mentioned shape.
The diameter dimension of the width dimensions of described guiding groove 7-2 and guide finger 7-1 is the size that is slidably matched, the cap shape sleeve of slip execution dish 5 makes guiding groove 7-2 alignment guide pin 7-1 while being inserted in the guide pillar of hub body 7, be subject to the coordinating of guide finger 7-1 of cap shape cage guiding groove 7-2 and hub body 7, between hub body 7 and slip execution dish 5, can only slide to axial and can not produce relative angular motion.The distance that moves axially of execution dish 5 of guaranteeing to slide is one-to-one relationship with the angle value of α, just must guarantee that both can not have relative angular motion, and it is exactly to be this kinematic relation of assurance that guide finger and guiding groove are set.
Push-pull rod component 4 also comprises power lever 4-1, connecting sleeve 4-2, transmission lever 4-3, clamping sleeve 4-5, gland nut 4-6, locating stud 4-7;
Described power lever 4-1 is axle shape structure, its one end is processed with squared ends, the other end is cylinder-shaped end, at this cylinder-shaped end, be processed with horizontal open-work to be fixedly connected with connecting sleeve 4-2 by locating stud 4-7, the bar outer wall between described power lever 4-1 squared ends and cylinder-shaped end is provided with screw thread to be connected with connection part;
Location shaft part and bearing linkage section that described transmission lever 4-3 is not waited by diameter, the diameter of described location shaft part is greater than the diameter of described bearing linkage section, thereby the joint of described location shaft part and described bearing linkage section is because diameter gap forms the shaft shoulder;
The end machining of described location shaft part has transverse holes to be connected with connecting sleeve 4-2 by locating stud 4-7;
Described bearing linkage section is divided into for optical axis part and helical thread portion, and described optical axis part is near the shaft shoulder, and helical thread portion is provided with and is threaded into end, and described optical axis part is outer is nested with thrust-bearing 4-4, and helical thread portion is nested with gland nut 4-6;
Described thrust-bearing 4-4 is connected with described transmission lever 4-3 by described clamping sleeve 4-5, and described gland nut 4-6 is enclosed within the helical thread portion of bearing linkage section, and compresses described clamping sleeve 4-5;
Described connecting sleeve 4-2 is tubular structure, and two ends are processed with transverse holes, and described power lever 4-1 is connected with this connecting sleeve 4-2 by transverse holes with locating stud 4-7 respectively respectively with transmission lever 4-3 from two ends penetrate.
Described thrust-bearing 4-4 comprises three annulus with endoporus that are equidistantly nested with vertically, the annulus of both sides is outer shroud 4-4-2, the location shaft section diameter that its diameter of bore had both been greater than transmission lever 4-3 is also greater than the external diameter of clamping sleeve 4-5, middle annulus is interior ring 4-4-1, its inner hole sleeve is outside the bearing linkage section of described transmission lever 4-3, described interior ring 4-4-1 one side is withstood by the shaft shoulder and another side is fixed by the compacted nut 4-6 of clamping sleeve 4-5, between every adjacent two annulus by the groove clamping ball of each annulus side
Described push-pull rod component 4 also comprises angle scale 4-8;
Described power lever 4-1 outer wall is provided with thread section intermediate portion cylindrical and is cut out one section of plane, and the cross-section area that is cut rear last part equals 3/4ths of original complete circle cross-section area;
Described angle scale 4-8 is pasted on the plane that described power lever 4-1 cuts.
Impeller assembly comprises hinge component 6, leaf sleeve bearing unit 8, offset connecting rod 9 and blade 10;
The shade of the cap shape sleeve of slip execution dish 5 is partly equipped with hinge component 6, this hinge component 6 with slip execution dish 5 along rotation center line 20 axial motions;
Described hinge component 6 is fixed on same running shaft with one end of described offset connecting rod 9, same running shaft is fixed in one end of the other end of described offset connecting rod 9 and described leaf sleeve bearing unit 8, the other end of described leaf sleeve bearing unit 8 is fixedly connected with described blade 10, described hinge component 6, offset connecting rod 9, the number of leaf sleeve bearing unit 8 is all identical with the number of described blade 10, when described hinge component 6 is with slip execution dish 5 during along rotation center line 20 axial motion, described offset connecting rod 9 along with the common fixing same running shaft of itself and this hinge component 6 counterclockwise or the α degree that turns clockwise, α is 0～90 degree, in practical operation conventionally counterclockwise or clockwise rotate approximately 28 degree, the same running shaft rotation alpha degree that simultaneously described leaf sleeve bearing unit 8 is fixed jointly along with itself and this offset connecting rod 9, this leaf sleeve bearing unit 8 drives also rotation alpha degree of institute's stator blade 10,
Because slip execution dish 5 is subject to aforementioned guide finger, guiding groove restriction, can not produce the angular motion of relative hub body, so the distance that moves axially of slip execution dish 5 is one-to-one relationship with the angle value of α, as long as moving axially apart from enough of slip execution dish 5, the range of deflection of offset connecting rod 9 can reach between clockwise and counterclockwise 0～90 degree, but different aerofoil profile in actual applications, effective operation interval of α is slightly different, but be all no more than 4～28 degree scopes, if in order to make blower fan that reverse wind can be provided, can change counterclockwise α, but now fan efficiency is relatively low, easily stall, overload.
Described leaf sleeve bearing unit 8 is placed on 7 times cylindrical drum outer shroud dishes of described hub body.
The bearing that the utility model preferably adopts is double-direction thrust ball bearing (GB/T301-1995), its typical structure has 5 parts and forms, upper and lower two annulus with endoporus (outer shroud 4-4-2), shape is just the same, wherein a side is processed with circular groove and rolls along groove for ball, the middle annulus (interior ring 4-4-1) with endoporus, the diameter of bore of interior ring 4-4-1 is less than the endoporus of outer shroud 4-4-2, all there is circular groove interior ring 4-4-1 both sides for coordinating with ball, between middle interior ring 4-4-1 and upper and lower two outer shroud 4-4-2, be two groups of identical balls and retainer, as mentioned above, in middle, the inner hole sleeve of ring 4-4-1 is at the bearing linkage section (being that diameter is compared with segment) of transmission lever 4-3, the one side of interior ring 4-4-1 is withstood the compacted nut of another side and clamping sleeve by the shaft shoulder and is pushed down several parts are fastenedly connected, the diameter that upper and lower two diameter of bores with the outer shroud 4-4-2 of endoporus had both been greater than the location shaft part of transmission lever 4-3 is also greater than the external diameter of described clamping sleeve 4-5, to guarantee that upper and lower two outer shroud 4-4-2 with endoporus rotate relatively freely.
After push-pull rod component 4 assemblings, assemble with slip execution dish 5 again, two outer shroud 4-4-2 with endoporus up and down of thrust-bearing 4-4 are pushed down by bearing chamber and the gland of cap shape sleeve respectively, make upper and lower two outer shroud 4-4-2 and slip execution dish 5 form not can relative displacement be fixedly connected with.When blower fan turns round, hub body 7 rotates under main shaft drives, the guide finger 7-1 embedding on hub body 7 is by the guiding groove 7-2 transmitting torque of cap shape sleeve, the execution dish 5 that makes to slide keeps synchronous rotary with hub body 7, when not angle modulation, the power lever 4-1 device that is locked pins (such as locking nut 2), and the interior ring 4-4-1 in the middle of transmission lever 4-3 and thrust-bearing 4-4 remains static, and middle transition effect is played in ball rolling; When angle modulation, there is spiral motion in artificial rotating sliding bar assembly 4, the existing relatively slow rotation of interior ring 4-4-1 of the centre of transmission lever 4-3 and thrust-bearing 4-4 has again upwards (or downwards) displacement, (or following) outer shroud 4-4-2 of top that the power of (or downward) of make progress when ball rolls is passed to thrust-bearing 4-4 with drive slip execution dish 5 along axis shift, can there is not relative angular motion in the guide finger 7-1 restriction being embedded on hub body 7 because of the guiding groove 7-2 of cap shape sleeve, the relative hub body 7 of the execution dish 5 that makes to slide is upper and lower displacements.
Described connection part comprises support execution nut 1 and locking nut 2, described support is carried out nut 1 and is fixed with air cooling device main body framework, described push-pull rod component 4 is carried out nut 1 and is carried out nut 1 by described power lever 4-1 outer wall thread and described support through this support and is rotatably connected, and described locking nut 2 is carried out nut 1 and described push-pull rod component 4 lockings by described support.
When push-pull rod component 4 and described support being carried out to nut 1 be connected with locking nut 2, the axle shape structure of the power lever 4-1 of described push-pull rod component 4,1), during rotating power bar 4-1 the effect of screw thread of its middle part outer wall has 2 points:, the internal thread effect that is subject to support to carry out nut 1 produces spiral motion.2), while not needing angle modulation, locking nut 2 and support are carried out nut 1 and by the screw thread of described middle part outer wall, are realized double nut and lock.
Or described connection part comprises that plate-like carries out nut 12 and handle 13-1, main body bar 13-2, extension spring 13-3;
The squared ends of described push-pull rod component 4 arranges through hole, through through hole and at its two ends, each is fixed on a running shaft with leader 13-1 to described main body bar 13-2, is connected described extension spring 13-3 so that described handle 13-1 can get back to initial position after the same running shaft rotation at itself and main body bar 13-2 two ends between described handle 13-1 middle part and the upper through hole of described main body bar 13-2 both sides;
Described plate-like is carried out nut 12 outsides and is along the circumferential direction equidistantly had semicircle open-work, and when extension spring 13-3 does not extend, each semicircle open-work is inserted with locking push-pull rod component 4 in one end that described handle 13-1 is not connected with main body bar 13-2.
Described connection part is fixed in the air intake direction of forced draft air-cooler and the main body framework of forced draft air-cooler, and this connection part is connected with one end of described push-pull rod component 4;
Main shaft is hollow shaft 3, this push-pull rod component 4 is by passing in this hollow shaft 3, the cavity that the top guide pillar of hub body 7 and lower cylindrical drum center arrange up/down perforation makes described push-pull rod component 4 so that its thrust-bearing 4-4 is arranged in slip execution, coil 5 internal bearings chambers, the top seal of described slip execution dish 5 through this hub body 7;
The lower cylindrical drum bottom cavity internal diameter of described hub body 7 is greater than top guide pillar cavity internal diameter, so that described hollow shaft 3 inserts, outside described hollow shaft 3, is nested with middle transition cover, and this middle transition cover is fixedly connected with the lower cylindrical drum bottom of described hub body 7.
Described connection part is fixed at the air-out direction of induced draft air-cooler and the main body framework of induced draft air-cooler, and this connection part is rotatably connected with one end of described push-pull rod component 4;
The cavity that the internal bearings chamber of described slip execution dish 5 is up/down perforation, described push-pull rod component 4 inserts described slip execution dish 5 and makes described thrust-bearing 4-4 be arranged in this internal bearings chamber;
Main shaft is solid shaft 11, and the lower cylindrical drum center of described hub body 7 arranges cavity so that described solid shaft 11 inserts, the outer middle transition cover that is nested with of described solid shaft 11, and this middle transition cover is fixedly connected with the lower cylindrical drum bottom of described hub body 7.
The utility model provides a kind of angle-regulating fan for air cooler of not shutting down; realized impeller assembly relative rotation mutual noninterference with push-pull rod component with blower fan rotation; when blower fan running or shutdown, can, because of rotating sliding bar assembly impeller assembly generation axial displacement, realize and not shut down angle modulation.In addition, of the present utility model simple in structure, by middle transition cover, hub body is connected with main shaft, dismounting is easy to maintenance, and its structure can be applicable to air cooling device not of the same race and connect, and such as forced draft air-cooler, induced draft air-cooler, can also be connected with various air cooling devices by multiple Placement.
Accompanying drawing explanation
Figure 1A is the structural representation of existing closed-down manual turn angle fan.
Figure 1B is that the B-B of existing closed-down manual turn angle fan is to structural representation.
Fig. 2 is existing structural representation of not shutting down turn angle fan.
Fig. 3 is that the slip execution dish of angle modulation axial-flow blower and the annexation A of offset connecting rod of not shutting down of the present utility model is to schematic diagram.
Fig. 4 A is sectional view of not shutting down the push-pull rod component of angle modulation axial-flow blower of the present utility model.
Fig. 4 B is that the D-D of Fig. 4 A is to sectional view.
Fig. 5 A is structural representation of not shutting down a kind of connection part of angle modulation axial-flow blower of the present utility model.
Fig. 5 B be the plate-like of a kind of connection part of not shutting down angle modulation axial-flow blower of Fig. 5 A carry out nut B to structural representation.
Fig. 6 A is the structural representation of the guiding groove of slip execution dish of not shutting down angle modulation axial-flow blower of the present utility model.
Fig. 6 B be slip execution dish of not shutting down angle modulation axial-flow blower of the present utility model guiding groove C-C to structural representation, in figure, f represents the width of guiding groove.
Fig. 7 is structural representation of not shutting down the embodiment 1 of angle modulation axial-flow blower of the present utility model.
Fig. 8 is I part in Fig. 7 embodiment 1, i.e. the partial enlarged drawing of embodiment 1 thrust-bearing position.
Fig. 9 is structural representation of not shutting down the embodiment 2 of angle modulation axial-flow blower of the present utility model.
Figure 10 is II part in Fig. 9 embodiment 2, i.e. the partial enlarged drawing of embodiment 2 thrust-bearing positions.
Figure 11 is the use phase diagram that the embodiment 1 who does not shut down angle modulation axial-flow blower of the present utility model is applied to forced draft air-cooler.
Figure 12 is the use phase diagram that the embodiment 2 who does not shut down angle modulation axial-flow blower of the present utility model is applied to induced draft air-cooler.
Description of reference numerals:
1-support is carried out nut, 2-locking nut, 3-hollow shaft, 4-push-pull rod component, 4-1-power lever, 4-2-connecting sleeve, 4-3-transmission lever, 4-4-thrust-bearing, ring in 4-4-1-, 4-4-2-outer shroud, 4-5-clamping sleeve, 4-6-gland nut, 4-7-locating stud, 4-8-angle scale, 5-slip execution dish, 5-1-annulus, 5-2-inner convex platform, 6-hinge component, 7-hub body, 7-1-guide finger, 7-2-guiding groove, 8-leaf sleeve bearing unit, 9-offset connecting rod, 10-blade, 11-solid shaft, 12-plate-like is carried out nut, 13-1-handle, 13-2-main body bar, 13-3-extension spring, 20-rotation center line, 1s-blade, 2s ?U bolt assembly, 3s ?hub body, 1t-impeller assembly, 2t-shackle rod, 3t-fixed support, 4t-hand wheel component, the width of f-guiding groove.
Embodiment
Below in conjunction with embodiment, further illustrate the utility model.
Embodiment 1
As shown in Figure 7, its use phase diagram that is applied to forced draft air-cooler as shown in figure 11, a kind of angle modulation axial-flow blower of not shutting down in Fig. 7, it comprises impeller assembly, push-pull rod component 4, connection part and main shaft, it is characterized in that:
Described push-pull rod component 4 forms blower fan running shaft with main shaft, and described push-pull rod component 4 overlaps with the central axis of main shaft and the rotation center line of described blower fan 20;
The described angle modulation axial-flow blower of not shutting down also comprises slip execution dish 5 and hub body 7, described push-pull rod component 4 comprises thrust-bearing 4-4, described thrust-bearing 4-4 is arranged on described slip execution and coils in 5 internal bearings chambers, and described slip execution dish 5 is connected with described impeller assembly;
Described slip execution dish 5 is connected by axially directed structure with described hub body 7;
Described connection part is connected with described push-pull rod component 4, and described connection part and air cooling device are fixed.
Described slip execution dish 5 comprises cap shape sleeve and gland, and described bearing chamber is comprised of the cavity at cap shape sleeve and gland center, and described gland is bolted on cap shape sleeve;
Gland is preferably discoid, the surrounding of gland is evenly equipped with open-work in order to pass clamping bolt, and gland upper surface is plane, and lower surface has protruding annulus 5-1, the lower end face of annulus 5-1 is used for compressing thrust-bearing 4-4 top outer shroud 4-4-2, and annulus 5-1 outside forms positioning spigot.The bearing chamber bottom of cap shape sleeve is processed with inner convex platform 5-2 for holding out against thrust-bearing 4-4 bottom outer shroud 4-4-2.
Described hub body 7 comprises two cylindrical drum up and down that diameter does not wait, and it is guide pillar that upper cylindrical drum diameter is less than lower cylindrical drum diameter, and lower cylindrical outer tube is fixedly nested with ring dish type and is integral formula structure;
Described axially directed structure comprises guide finger 7-1 and guiding groove 7-2, the described hub body 7 guide pillar outer side walls of the fixing insertion of described guide finger 7-1, described guiding groove 7-2 is opened in described slip execution and coils 5 cap shape sleeve two bottom sides, the long strip groove that described guiding groove 7-2 is bottom opening, described guide finger 7-1 inserts described guiding groove 7-2, and the diameter of described guide finger 7-1 is than the little 0.1～0.2mm of the width of described guiding groove.
Push-pull rod component 4 also comprises power lever 4-1, connecting sleeve 4-2, transmission lever 4-3, clamping sleeve 4-5, gland nut 4-6, locating stud 4-7;
Described power lever 4-1 is axle shape structure, its one end is processed with squared ends, the other end is cylinder-shaped end, at this cylinder-shaped end, be processed with horizontal open-work to be fixedly connected with connecting sleeve 4-2 by locating stud 4-7, the bar outer wall between described power lever 4-1 squared ends and cylinder-shaped end is provided with screw thread to be connected with connection part;
Location shaft part and bearing linkage section that described transmission lever 4-3 is not waited by diameter, the diameter of described location shaft part is greater than the diameter of described bearing linkage section, thereby the joint of described location shaft part and described bearing linkage section is because diameter gap forms the shaft shoulder;
The end machining of described location shaft part has transverse holes to be connected with connecting sleeve 4-2 by locating stud 4-7;
Described bearing linkage section is divided into for optical axis part and helical thread portion, and described optical axis part is near the shaft shoulder, and helical thread portion is provided with and is threaded into end, and described optical axis part is outer is nested with thrust-bearing 4-4, and helical thread portion is nested with gland nut 4-6;
Described thrust-bearing 4-4 is connected with described transmission lever 4-3 by described clamping sleeve 4-5, and described gland nut 4-6 is enclosed within the helical thread portion of bearing linkage section, and compresses described clamping sleeve 4-5;
Described connecting sleeve 4-2 is tubular structure, and two ends are processed with transverse holes, and described power lever 4-1 is connected with this connecting sleeve 4-2 by transverse holes with locating stud 4-7 respectively respectively with transmission lever 4-3 from two ends penetrate.
Described thrust-bearing 4-4 comprises three annulus with endoporus that are equidistantly nested with vertically, the annulus of both sides is outer shroud 4-4-2, the location shaft section diameter that its diameter of bore had both been greater than transmission lever 4-3 is also greater than the external diameter of clamping sleeve 4-5, middle annulus is interior ring 4-4-1, its inner hole sleeve is outside the bearing linkage section of described transmission lever 4-3, described interior ring 4-4-1 one side is withstood by the shaft shoulder and another side is fixed by the compacted nut 4-6 of clamping sleeve 4-5, between every adjacent two annulus by the groove clamping ball of each annulus side.
Described push-pull rod component 4 also comprises angle scale 4-8;
Described power lever 4-1 outer wall is provided with thread section intermediate portion cylindrical and is cut out one section of plane, and the cross-section area that is cut rear last part equals 3/4ths of original complete circle cross-section area;
Described angle scale 4-8 is pasted on the plane that described power lever 4-1 cuts.
Impeller assembly comprises hinge component 6, leaf sleeve bearing unit 8, offset connecting rod 9 and blade 10;
The shade of the cap shape sleeve of slip execution dish 5 is partly equipped with hinge component 6, this hinge component 6 with slip execution dish 5 along rotation center line 20 axial motions;
Described hinge component 6 is fixed on same running shaft with one end of described offset connecting rod 9, same running shaft is fixed in one end of the other end of described offset connecting rod 9 and described leaf sleeve bearing unit 8, the other end of described leaf sleeve bearing unit 8 is fixedly connected with described blade 10, described hinge component 6, offset connecting rod 9, the number of leaf sleeve bearing unit 8 is all identical with the number of described blade 10, when described hinge component 6 is with slip execution dish 5 during along rotation center line 20 axial motion, described offset connecting rod 9 along with the common fixing same running shaft of itself and this hinge component 6 counterclockwise or the α degree that turns clockwise, α is 0～90 degree, in practical operation conventionally counterclockwise or clockwise rotate approximately 28 degree, the same running shaft rotation alpha degree that simultaneously described leaf sleeve bearing unit 8 is fixed jointly along with itself and this offset connecting rod 9, this leaf sleeve bearing unit 8 drives also rotation alpha degree of institute's stator blade 10,
Because slip execution dish 5 is subject to aforementioned guide finger, guiding groove restriction, can not produce the angular motion of relative hub body, so the distance that moves axially of slip execution dish 5 is one-to-one relationship with the angle value of α, as long as moving axially apart from enough of slip execution dish 5, the range of deflection of offset connecting rod 9 can reach between clockwise and counterclockwise 0～90 degree, but different aerofoil profile in actual applications, effective operation interval of α is slightly different, but be all no more than 4～28 degree scopes, if in order to make blower fan that reverse wind can be provided, can change counterclockwise α, but now fan efficiency is relatively low, easily stall, overload.
Described leaf sleeve bearing unit 8 is placed on 7 times cylindrical drum outer shroud dishes of described hub body.
The bearing that the present embodiment adopts is double-direction thrust ball bearing (GB/T301-1995), its typical structure has 5 parts and forms, upper and lower two annulus with endoporus (outer shroud 4-4-2), shape is just the same, wherein a side is processed with circular groove and rolls along groove for ball, the middle annulus (interior ring 4-4-1) with endoporus, the diameter of bore of interior ring 4-4-1 is less than the endoporus of outer shroud 4-4-2, all there is circular groove interior ring 4-4-1 both sides for coordinating with ball, between middle interior ring 4-4-1 and upper and lower two outer shroud 4-4-2, be two groups of identical balls and retainer, as mentioned above, in middle, the inner hole sleeve of ring 4-4-1 is at the bearing linkage section (being that diameter is compared with segment) of transmission lever 4-3, the one side of interior ring 4-4-1 is withstood the compacted nut of another side and clamping sleeve by the shaft shoulder and is pushed down several parts are fastenedly connected, the diameter that upper and lower two diameter of bores with the outer shroud 4-4-2 of endoporus had both been greater than the location shaft part of transmission lever 4-3 is also greater than the external diameter of described clamping sleeve 4-5, to guarantee that upper and lower two outer shroud 4-4-2 with endoporus rotate relatively freely.
Described connection part comprises support execution nut 1 and locking nut 2, described support is carried out nut 1 and is fixed with air cooling device main body framework, described push-pull rod component 4 is carried out nut 1 and is carried out nut 1 by described power lever 4-1 outer wall thread and described support through this support and is rotatably connected, and described locking nut 2 is carried out nut 1 and described push-pull rod component 4 lockings by described support.
When push-pull rod component 4 and described support being carried out to nut 1 be connected with locking nut 2, the axle shape structure of the power lever 4-1 of described push-pull rod component 4,1), during rotating power bar 4-1 the effect of screw thread of its middle part outer wall has 2 points:, the internal thread effect that is subject to support to carry out nut 1 produces spiral motion.2), while not needing angle modulation, locking nut 2 and support are carried out nut 1 and by the screw thread of described middle part outer wall, are realized double nut and lock.
Described connection part is fixed in the air intake direction of forced draft air-cooler and the main body framework of forced draft air-cooler, and this connection part is connected with one end of described push-pull rod component 4;
Main shaft is hollow shaft 3, this push-pull rod component 4 is by passing in this hollow shaft 3, the cavity that the top guide pillar of hub body 7 and lower cylindrical drum center arrange up/down perforation makes described push-pull rod component 4 so that its thrust-bearing 4-4 is arranged in slip execution, coil 5 internal bearings chambers, the top seal of described slip execution dish 5 through this hub body 7;
The lower cylindrical drum bottom cavity internal diameter of described hub body 7 is greater than top guide pillar cavity internal diameter, so that described hollow shaft 3 inserts, outside described hollow shaft 3, is nested with middle transition cover, and this middle transition cover is fixedly connected with the lower cylindrical drum bottom of described hub body 7.
As shown in Figure 9, its use phase diagram that is applied to induced draft air-cooler as shown in figure 12, a kind of angle modulation axial-flow blower of not shutting down in Fig. 9, it comprises impeller assembly, push-pull rod component 4, connection part and main shaft, it is characterized in that:
Described push-pull rod component 4 forms blower fan running shaft with main shaft, and described push-pull rod component 4 overlaps with the central axis of main shaft and the rotation center line of described blower fan 20;
The described angle modulation axial-flow blower of not shutting down also comprises slip execution dish 5 and hub body 7, described push-pull rod component 4 comprises thrust-bearing 4-4, described thrust-bearing 4-4 is arranged on described slip execution and coils in 5 internal bearings chambers, and described slip execution dish 5 is connected with described impeller assembly;
Described slip execution dish 5 is connected by axially directed structure with described hub body 7;
Described connection part is connected with described push-pull rod component 4, and described connection part and air cooling device are fixed.
Described slip execution dish 5 comprises cap shape sleeve and gland, and described bearing chamber is comprised of the cavity at cap shape sleeve and gland center, and described gland is bolted on cap shape sleeve;
Gland is preferably discoid, the surrounding of gland is evenly equipped with open-work in order to pass clamping bolt, and gland upper surface is plane, and lower surface has protruding annulus 5-1, the lower end face of annulus 5-1 is used for compressing thrust-bearing 4-4 top outer shroud 4-4-2, and annulus 5-1 outside forms positioning spigot.The bearing chamber bottom of cap shape sleeve is processed with inner convex platform 5-2 for holding out against thrust-bearing 4-4 bottom outer shroud 4-4-2.
Gland center has open-work as different from Example 1, so that transmission lever 4-3 passes.
Described hub body 7 comprises two cylindrical drum up and down that diameter does not wait, and it is guide pillar that upper cylindrical drum diameter is less than lower cylindrical drum diameter, and lower cylindrical outer tube is fixedly nested with ring dish type and is integral formula structure;
Described axially directed structure comprises guide finger 7-1 and guiding groove 7-2, the described hub body 7 guide pillar outer side walls of the fixing insertion of described guide finger 7-1, described guiding groove 7-2 is opened in described slip execution and coils 5 cap shape sleeve two bottom sides, the long strip groove that described guiding groove 7-2 is bottom opening, described guide finger 7-1 inserts described guiding groove 7-2,, the diameter of described guide finger 7-1 is than the little 0.1～0.2mm of the width of described guiding groove.
Push-pull rod component 4 also comprises power lever 4-1, connecting sleeve 4-2, transmission lever 4-3, clamping sleeve 4-5, gland nut 4-6, locating stud 4-7;
Described power lever 4-1 is axle shape structure, its one end is processed with squared ends, the other end is cylinder-shaped end, at this cylinder-shaped end, be processed with horizontal open-work to be fixedly connected with connecting sleeve 4-2 by locating stud 4-7, the bar outer wall between described power lever 4-1 squared ends and cylinder-shaped end is provided with screw thread to be connected with connection part;
Location shaft part and bearing linkage section that described transmission lever 4-3 is not waited by diameter, the diameter of described location shaft part is greater than the diameter of described bearing linkage section, thereby the joint of described location shaft part and described bearing linkage section is because diameter gap forms the shaft shoulder;
The end machining of described location shaft part has transverse holes to be connected with connecting sleeve 4-2 by locating stud 4-7;
Described bearing linkage section is divided into for optical axis part and helical thread portion, and described optical axis part is near the shaft shoulder, and helical thread portion is provided with and is threaded into end, and described optical axis part is outer is nested with thrust-bearing 4-4, and helical thread portion is nested with gland nut 4-6;
Described thrust-bearing 4-4 is connected with described transmission lever 4-3 by described clamping sleeve 4-5, and described gland nut 4-6 is enclosed within the helical thread portion of bearing linkage section, and compresses described clamping sleeve 4-5;
Described connecting sleeve 4-2 is tubular structure, and two ends are processed with transverse holes, and described power lever 4-1 is connected with this connecting sleeve 4-2 by transverse holes with locating stud 4-7 respectively respectively with transmission lever 4-3 from two ends penetrate.
Described thrust-bearing 4-4 comprises three annulus with endoporus that are equidistantly nested with vertically, the annulus of both sides is outer shroud 4-4-2, the location shaft section diameter that its diameter of bore had both been greater than transmission lever 4-3 is also greater than the external diameter of clamping sleeve 4-5, middle annulus is interior ring 4-4-1, its inner hole sleeve is outside the bearing linkage section of described transmission lever 4-3, described interior ring 4-4-1 one side is withstood by the shaft shoulder and another side is fixed by the compacted nut 4-6 of clamping sleeve 4-5, between every adjacent two annulus by the groove clamping ball of each annulus side.
Described push-pull rod component 4 also comprises angle scale 4-8;
Described power lever 4-1 outer wall is provided with thread section intermediate portion cylindrical and is cut out one section of plane, and the cross-section area that is cut rear last part equals 3/4ths of original complete circle cross-section area;
Described angle scale 4-8 is pasted on the plane that described power lever 4-1 cuts.
Impeller assembly comprises hinge component 6, leaf sleeve bearing unit 8, offset connecting rod 9 and blade 10;
The shade of the cap shape sleeve of slip execution dish 5 is partly equipped with hinge component 6, this hinge component 6 with slip execution dish 5 along rotation center line 20 axial motions;
Described hinge component 6 is fixed on same running shaft with one end of described offset connecting rod 9, same running shaft is fixed in one end of the other end of described offset connecting rod 9 and described leaf sleeve bearing unit 8, the other end of described leaf sleeve bearing unit 8 is fixedly connected with described blade 10, described hinge component 6, offset connecting rod 9, the number of leaf sleeve bearing unit 8 is all identical with the number of described blade 10, when described hinge component 6 is with slip execution dish 5 during along rotation center line 20 axial motion, described offset connecting rod 9 along with the common fixing same running shaft of itself and this hinge component 6 counterclockwise or the α degree that turns clockwise, α is 0～90 degree, in practical operation conventionally counterclockwise or clockwise rotate approximately 28 degree, the same running shaft rotation alpha degree that simultaneously described leaf sleeve bearing unit 8 is fixed jointly along with itself and this offset connecting rod 9, this leaf sleeve bearing unit 8 drives also rotation alpha degree of institute's stator blade 10,
Because slip execution dish 5 is subject to aforementioned guide finger, guiding groove restriction, can not produce the angular motion of relative hub body, so the distance that moves axially of slip execution dish 5 is one-to-one relationship with the angle value of α, as long as moving axially apart from enough of slip execution dish 5, the range of deflection of offset connecting rod 9 can reach between clockwise and counterclockwise 0～90 degree, but different aerofoil profile in actual applications, effective operation interval of α is slightly different, but be all no more than 4～28 degree scopes, if in order to make blower fan that reverse wind can be provided, can change counterclockwise α, but now fan efficiency is relatively low, easily stall, overload.
Described leaf sleeve bearing unit 8 is placed on 7 times cylindrical drum outer shroud dishes of described hub body.
The bearing that the present embodiment adopts is double-direction thrust ball bearing (GB/T301-1995), its typical structure has 5 parts and forms, upper and lower two annulus with endoporus (outer shroud 4-4-2), shape is just the same, wherein a side is processed with circular groove and rolls along groove for ball, the middle annulus (interior ring 4-4-1) with endoporus, the diameter of bore of interior ring 4-4-1 is less than the endoporus of outer shroud 4-4-2, all there is circular groove interior ring 4-4-1 both sides for coordinating with ball, between middle interior ring 4-4-1 and upper and lower two outer shroud 4-4-2, be two groups of identical balls and retainer, as mentioned above, in middle, the inner hole sleeve of ring 4-4-1 is at the bearing linkage section (being that diameter is compared with segment) of transmission lever 4-3, the one side of interior ring 4-4-1 is withstood the compacted nut of another side and clamping sleeve by the shaft shoulder and is pushed down several parts are fastenedly connected, the diameter that upper and lower two diameter of bores with the outer shroud 4-4-2 of endoporus had both been greater than the location shaft part of transmission lever 4-3 is also greater than the external diameter of described clamping sleeve 4-5, to guarantee that upper and lower two outer shroud 4-4-2 with endoporus rotate relatively freely.
Described connection part comprises support execution nut 1 and locking nut 2, described support is carried out nut 1 and is fixed with air cooling device main body framework, described push-pull rod component 4 is carried out nut 1 and is carried out nut 1 by described power lever 4-1 outer wall thread and described support through this support and is rotatably connected, and described locking nut 2 is carried out nut 1 and described push-pull rod component 4 lockings by described support.
When push-pull rod component 4 and described support being carried out to nut 1 be connected with locking nut 2, the axle shape structure of the power lever 4-1 of described push-pull rod component 4,1), during rotating power bar 4-1 the effect of screw thread of its middle part outer wall has 2 points:, the internal thread effect that is subject to support to carry out nut 1 produces spiral motion.2), while not needing angle modulation, locking nut 2 and support are carried out nut 1 and by the screw thread of described middle part outer wall, are realized double nut and lock.
Described connection part is fixed at the air-out direction of induced draft air-cooler and the main body framework of induced draft air-cooler, and this connection part is rotatably connected with one end of described push-pull rod component 4;
The cavity that the internal bearings chamber of described slip execution dish 5 is up/down perforation, described push-pull rod component 4 inserts described slip execution dish 5 and makes described thrust-bearing 4-4 be arranged in this internal bearings chamber;
Main shaft is solid shaft 11, and the lower cylindrical drum center of described hub body 7 arranges cavity so that described solid shaft 11 inserts, the outer middle transition cover that is nested with of described solid shaft 11, and this middle transition cover is fixedly connected with the lower cylindrical drum bottom of described hub body 7.
Claims (10)
1. do not shut down an angle modulation axial-flow blower, it comprises impeller assembly, push-pull rod component (4), connection part and main shaft, it is characterized in that:
Described push-pull rod component (4) forms blower fan running shaft with main shaft, and described push-pull rod component (4) overlaps with the rotation center line of described blower fan (20) with the central axis of main shaft;
The described angle modulation axial-flow blower of not shutting down also comprises slip execution dish (5) and hub body (7), described push-pull rod component (4) comprises thrust-bearing (4-4), described thrust-bearing (4-4) is arranged in described slip execution dish (5) internal bearings chamber, and described slip execution dish (5) is connected with described impeller assembly;
Described slip execution dish (5) is connected by axially directed structure with described hub body (7);
Described connection part is connected with described push-pull rod component (4), and described connection part and air cooling device are fixed.
2. a kind of angle modulation axial-flow blower of not shutting down according to claim 1, is characterized in that:
Described slip execution dish (5) comprises cap shape sleeve and gland, and described bearing chamber is comprised of the cavity at cap shape sleeve and gland center, and described gland is bolted on cap shape sleeve;
Described hub body (7) comprises two cylindrical drum up and down that diameter does not wait, and it is guide pillar that upper cylindrical drum diameter is less than lower cylindrical drum diameter, and lower cylindrical outer tube is fixedly nested with ring dish type and is integral formula structure;
Described axially directed structure comprises guide finger (7-1) and guiding groove (7-2), fixing described hub body (7) the guide pillar outer side wall that inserts of described guide finger (7-1), described guiding groove (7-2) is opened in described slip execution dish (5) cap shape sleeve two bottom sides, the long strip groove that described guiding groove (7-2) is bottom opening, described guide finger (7-1) inserts described guiding groove (7-2), and the diameter of described guide finger (7-1) is than the little 0.1～0.2mm of width of described guiding groove (7-2).
3. a kind of angle modulation axial-flow blower of not shutting down according to claim 2, is characterized in that:
Push-pull rod component (4) also comprises power lever (4-1), connecting sleeve (4-2), transmission lever (4-3), clamping sleeve (4-5), gland nut (4-6), locating stud (4-7);
Described power lever (4-1) is axle shape structure, its one end is processed with squared ends, the other end is cylinder-shaped end, at this cylinder-shaped end, be processed with horizontal open-work to be fixedly connected with connecting sleeve (4-2) by locating stud (4-7), the bar outer wall between described power lever (4-1) squared ends and cylinder-shaped end is provided with screw thread to be connected with connection part;
Location shaft part and bearing linkage section that described transmission lever (4-3) is not waited by diameter, the diameter of described location shaft part is greater than the diameter of described bearing linkage section, thereby the joint of described location shaft part and described bearing linkage section is because diameter gap forms the shaft shoulder;
The end machining of described location shaft part has transverse holes to be connected with connecting sleeve (4-2) by locating stud (4-7);
Described bearing linkage section is divided into optical axis part and helical thread portion, and described optical axis part is near the shaft shoulder, and helical thread portion is provided with and is threaded into end, and described optical axis part is outer is nested with thrust-bearing (4-4), and helical thread portion is nested with gland nut (4-6);
Described thrust-bearing (4-4) is connected with described transmission lever (4-3) by described clamping sleeve (4-5), and described gland nut (4-6) is enclosed within the helical thread portion of bearing linkage section, and compresses described clamping sleeve (4-5);
Described connecting sleeve (4-2) is tubular structure, and two ends are processed with transverse holes, and described power lever (4-1) uses respectively respectively locating stud (4-7) to be connected with this connecting sleeve (4-2) by transverse holes with transmission lever (4-3) from two ends penetrate.
4. a kind of angle modulation axial-flow blower of not shutting down according to claim 3, is characterized in that:
Described thrust-bearing (4-4) comprises three annulus with endoporus that are equidistantly nested with vertically, the annulus of both sides is outer shroud (4-4-2), the location shaft section diameter that its diameter of bore had both been greater than transmission lever (4-3) is also greater than the external diameter of clamping sleeve (4-5), middle annulus is interior ring (4-4-1), its inner hole sleeve is outside the bearing linkage section of described transmission lever (4-3), described interior ring (4-4-1) one side is withstood by the shaft shoulder and another side is fixing by the compacted nut of clamping sleeve (4-5) (4-6), groove by each annulus side between every adjacent two annulus clamps ball.
5. a kind of angle modulation axial-flow blower of not shutting down according to claim 4, is characterized in that:
Push-pull rod component (4) also comprises angle scale (4-8);
Described power lever (4-1) outer wall is provided with thread section intermediate portion cylindrical and is cut out one section of plane, and the cross-section area that is cut rear last part equals 3/4ths of original complete circle cross-section area;
Described angle scale (4-8) is pasted on the plane that described power lever (4-1) cuts.
6. a kind of angle modulation axial-flow blower of not shutting down according to claim 2, is characterized in that:
Impeller assembly comprises hinge component (6), leaf sleeve bearing unit (8), offset connecting rod (9) and blade (10);
The shade of the cap shape sleeve of slip execution dish (5) is partly equipped with hinge component (6), this hinge component (6) with slip execution dish (5) along rotation center line (20) axial motion;
Described hinge component (6) is fixed on same running shaft with one end of described offset connecting rod (9), same running shaft is fixed in one end of the other end of described offset connecting rod (9) and described leaf sleeve bearing unit (8), the other end of described leaf sleeve bearing unit (8) is fixedly connected with described blade (10), described hinge component (6), offset connecting rod (9), the number of leaf sleeve bearing unit (8) is all identical with the number of described blade (10), when described hinge component (6) is with slip execution dish (5) during along rotation center line (20) axial motion, fixing same running shaft is counterclockwise or the α degree that turns clockwise jointly along with itself and this hinge component (6) for described offset connecting rod (9), α is 0～90 degree, the same running shaft rotation alpha degree that simultaneously described leaf sleeve bearing unit (8) is fixed jointly along with itself and this offset connecting rod (9), this leaf sleeve bearing unit (8) drives also rotation alpha degree of institute's stator blade (10),
Described leaf sleeve bearing unit (8) is placed under described hub body (7) on cylindrical drum outer shroud dish.
7. a kind of angle modulation axial-flow blower of not shutting down according to claim 3, is characterized in that:
Described connection part comprises support execution nut (1) and locking nut (2), described support is carried out nut (1) and is fixed with air cooling device main body framework, described push-pull rod component (4) is carried out nut (1) and is carried out nut (1) by described power lever (4-1) outer wall thread and described support through this support and is rotatably connected, and described locking nut (2) is carried out nut (1) and described push-pull rod component (4) locking by described support.
8. a kind of angle modulation axial-flow blower of not shutting down according to claim 3, is characterized in that:
Described connection part comprises that plate-like carries out nut (12) and handle (13-1), main body bar (13-2), extension spring (13-3);
The squared ends of described push-pull rod component (4) arranges through hole, through through hole and at its two ends, each is fixed on a running shaft with leader (13-1) to described main body bar (13-2), is connected described extension spring (13-3) so that described handle (13-1) can be got back to initial position after the same running shaft rotation at itself and main body bar (13-2) two ends between described handle (13-1) middle part and the upper through hole of described main body bar (13-2) both sides;
Described plate-like is carried out nut (12) outside and is along the circumferential direction equidistantly had semicircle open-work, and when extension spring (13-3) is not extended, each semicircle open-work is inserted with locking push-pull rod component (4) in one end that described handle (13-1) is not connected with main body bar (13-2).
9. according to a kind of angle modulation axial-flow blower of not shutting down described in claim 1～8 any one, it is characterized in that:
Described connection part is fixed in the air intake direction of forced draft air-cooler and the main body framework of forced draft air-cooler, and this connection part is connected with the one end of described push-pull rod component (4);
Main shaft is hollow shaft (3), this push-pull rod component (4) is by passing in this hollow shaft (3), the cavity that the top guide pillar of hub body (7) and lower cylindrical drum center arrange up/down perforation makes described push-pull rod component (4) pass this hub body (7) so that its thrust-bearing (4-4) is arranged in slip execution dish (5) internal bearings chamber, the top seal of described slip execution dish (5);
The lower cylindrical drum bottom cavity internal diameter of described hub body (7) is greater than top guide pillar cavity internal diameter, so that described hollow shaft (3) inserts, the outer middle transition cover that is nested with of described hollow shaft (3), this middle transition cover is fixedly connected with the lower cylindrical drum bottom of described hub body (7).
10. according to a kind of angle modulation axial-flow blower of not shutting down described in claim 1～8 any one, it is characterized in that:
Described connection part is fixed at the air-out direction of induced draft air-cooler and the main body framework of induced draft air-cooler, and this connection part is rotatably connected with the one end of described push-pull rod component (4);
The cavity that the internal bearings chamber of described slip execution dish (5) is up/down perforation, described push-pull rod component (4) inserts described slip execution dish (5) and makes described thrust-bearing (4-4) be arranged in this internal bearings chamber;
Main shaft is solid shaft (11), the lower cylindrical drum center of described hub body (7) arranges cavity so that described solid shaft (11) inserts, the outer middle transition cover that is nested with of described solid shaft (11), this middle transition cover is fixedly connected with the lower cylindrical drum bottom of described hub body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320372294.1U CN203488405U (en) | 2013-06-25 | 2013-06-25 | Non-stop angle-adjustment air cooler fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320372294.1U CN203488405U (en) | 2013-06-25 | 2013-06-25 | Non-stop angle-adjustment air cooler fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488405U true CN203488405U (en) | 2014-03-19 |
Family
ID=50259242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320372294.1U Expired - Lifetime CN203488405U (en) | 2013-06-25 | 2013-06-25 | Non-stop angle-adjustment air cooler fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869476A (en) * | 2017-12-11 | 2018-04-03 | 重庆通用工业(集团)有限责任公司 | Transmission device and centrifugal fan system |
| CN109519399A (en) * | 2017-09-18 | 2019-03-26 | 福建闽东电机股份有限公司 | A kind of executable positive/negative-pressure generates the blower and its implementation of switching |
-
2013
- 2013-06-25 CN CN201320372294.1U patent/CN203488405U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519399A (en) * | 2017-09-18 | 2019-03-26 | 福建闽东电机股份有限公司 | A kind of executable positive/negative-pressure generates the blower and its implementation of switching |
| CN107869476A (en) * | 2017-12-11 | 2018-04-03 | 重庆通用工业(集团)有限责任公司 | Transmission device and centrifugal fan system |
| CN107869476B (en) * | 2017-12-11 | 2024-03-08 | 重庆通用工业(集团)有限责任公司 | Transmission device and centrifugal ventilator system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2017352546B2 (en) | Fan blade regulation device and counter-rotating axial-flow fan | |
| US8734093B2 (en) | Mechanism for modulating diffuser vane of diffuser | |
| US20100172745A1 (en) | Centrifugal compressor having adjustable inlet guide vanes | |
| US10400622B2 (en) | Guide vane adjusting device and turbomachine | |
| CN104847696B (en) | Mechanical device for immediately adjusting installing angle of impeller | |
| JP6343346B2 (en) | Regulator assembly and centrifugal compressor | |
| CN104564833A (en) | guide vane assembly, centrifugal compressor and air conditioner | |
| CN203488405U (en) | Non-stop angle-adjustment air cooler fan | |
| CN103047179B (en) | The outer Primary regulation device of axial-flow fan blade angle machine | |
| CN202040123U (en) | Inlet adjustable guide vane mechanism of centrifugal blower | |
| CN107806426A (en) | The ceiling fan of adjustable fan blade angles | |
| CN109046984A (en) | A kind of guide vane angle linkage adjusting apparatus | |
| CN207513880U (en) | A kind of ventilating system for adjusting fan improvement mining counter rotating wind turbine is moved with electric motor built-in | |
| ITCO20100050A1 (en) | DRIVING SYSTEM FOR TURBOMACHINE AND METHOD | |
| CN202652040U (en) | Eddy current transmission | |
| CN206144858U (en) | Guide vane adjusting device and compressor | |
| CN204226024U (en) | A kind of gas turbine inlet guide vanes driving mechanism | |
| CN207513879U (en) | A kind of ventilating system for adjusting fan improvement mining counter rotating wind turbine is moved with external motor type | |
| CN204729342U (en) | A kind of mechanical device of instant adjustment impeller established angle | |
| CN111828348B (en) | Axial flow fan | |
| CN113623273B (en) | Guide vane regulator structure capable of being installed quickly in place | |
| CN209228672U (en) | One kind being used for radial distribution multi-axis turning device by single sliding block multicrank mechanism | |
| CN204299961U (en) | A kind of blower fan diffusion guide vane synchronous adjusting mechanism | |
| CN202991625U (en) | Off-line one-time adjusting device for angle of blade of axial flow fan | |
| CN209228713U (en) | A kind of symmetric double crank space connecting-rod is used for radially-arranged multi-axis turning mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |