CN1007281B - Gearing for mining machine - Google Patents
Gearing for mining machine Download PDFInfo
- Publication number
- CN1007281B CN1007281B CN85106080A CN85106080A CN1007281B CN 1007281 B CN1007281 B CN 1007281B CN 85106080 A CN85106080 A CN 85106080A CN 85106080 A CN85106080 A CN 85106080A CN 1007281 B CN1007281 B CN 1007281B
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- limit
- ring
- output
- flange
- input
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- 238000005065 mining Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000007937 lozenge Substances 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A kind of gearing for mining machine that has sprocket wheel 1 comprises the sprocket wheel 1 of an output flange 3 being arranged and a driving shaft 2 of importing flange 4 is arranged.For engaging pin 7 is installed on track A, the B of two vicinities, input flange 4 has some holes 6.Conical friction piece 21 is added on the engaging pin 7 to form two drag rings 15 and 16, and their lateral surface 13 is with respect to an endless groove 5 work on output flange 3.Between two drag ring 15 and 16 of input on the limit, the central engagement drag ring 18 of a corresponding tapering is arranged, on the output flange 3 with respect to medial surface 17 work of the drag ring 15 on the input limit and 16.
Description
What the present invention relates to is a kind of gearing for mining machine, and it has sprocket wheel and a driving shaft that is used for sprocket wheel of the carrier chain that is used to dig up mine.In this mechanism, sprocket wheel has an output flange, and driving shaft has an input flange; And in order to form a kind of friction engagement, the output flange has a ring-type cone tank to match with the input flange.The input flange is along be distributed with the endless groove position consistency in its garden week, and the hole of Zuaning radially is in order to the installation engaging pin.In this mechanism, engaging pin is equipped with the cone pin cap and can embeds together in the endless groove; And freely fitted for this purpose has the centering ring of the work wedge surface that withstands on the pin bottom surface, by being positioned at a pressure rings of its front.In the input flange axially and radially can regulate.The cone pin cap constitutes to resemble and is added on the engaging pin the brake pad.
This class gearing for mining machine is known, and has noticed friction engagement and has meshed other part for low wearing and tearing in this mechanism.Because engaging pin uses different materials with the cone pin cap.Though, be all in all for the strength character of engaging pin, particularly outstanding for the friction factor and the anti-wear performance of cone pin cap.In addition, also to reach level and smooth engagement and even Jian Xiao Mine value stress to avoid overload.Yet purpose of the present invention will be improved these factors exactly.
An object of the present invention is to provide a kind of gearing for mining machine of the above-mentioned type, its friction engagement obviously is for the pressure that reduces per surface area and guarantees to discharge satisfactorily the frictional heat that is produced by slide effect during meshing.
According to the present invention, it provides a kind of gearing for mining machine.Sprocket wheel and a driving shaft that is used for sprocket wheel by the carrier chain that is used to dig up mine are formed.In this mechanism, sprocket wheel has an output flange, and driving shaft has an input flange.In order to form a kind of friction engagement, the output flange has a ring-type cone tank to match with the input flange.The input flange bores along being distributed with in its garden week radially, with the hole of cannelure position consistency so that engaging pin to be installed.These holes be arranged on along at least two vicinities, leave on the garden shape track of a fixed range mutually.Engaging pin is equipped with the cone pin cap and can embeds endless groove and form two garden shape drag rings, and their lateral surface is with respect to the side work of endless groove.And for this purpose, freely fitted, have the centering ring that withstands on the lozenges of working on the pin bottom surface, by being located at a pressure rings of its front, can be in the input flange axially and radiai adjustment.The cone pin cap constitutes to resemble and is added on the engaging pin the brake pad; In the projected position between two garden shape tracks on input limit, on a garden shape track, the output flange has a drag ring at least, and this ring projection is between two drag rings on input limit and with the medial surface work of corresponding tapering with respect to them.Drag ring on the output limit is supported in the endless groove, can move axially.
These characteristics of the present invention cause, in fact the drag ring of engagement constitutes a kind of multi-plate friction clutch mutually, wherein the center drag ring is because its axially movable assurance all the time has gratifying compensation to the wear effects on drag ring, although these effects are different.In addition, the conical in shape of interior engaging friction ring helps to remain the gratifying each other cooperation in side.
Owing to amass because of interior engaging friction ring has increased friction surface greatly, when per surface area pressure is reduced greatly, the frictional heat that is caused by slide effect can be led away on big surface area.Therefore " wearing and tearing " of drag ring have in fact been eliminated; And because because per surface area pressure is lower, one deck oil film of setting up between drag ring and friction surface can not destroy, and keeps so-called safe operation condition all the time.And owing to the low pressure that is added on the engaging pin of per surface area pressure reduces greatly.On the other hand, friction engagement in the mining transmission mechanism of knowing that a drag ring is only arranged can only be used in power output and reach 200 kilowatts or 250 kilowatts transmission mechanism at the most, and is higher than 300 kilowatts transmission mechanism applicable to power output according to friction engagement of the present invention.And guarantee level and smooth engagement all the time and reduce wearing and tearing.The resulting principal advantages of the present invention is obvious.
Another significant advantage of the present invention is described in detail as follows.According to the important invention of independence that proposes, with the garden shape track of the drag ring same axis of output on the limit on, the output flange has the engaging pin that radially bores and have the conical friction piece with installation along the hole that distributes in its garden week, and these brake pads form drag ring on the output limit.Reach the center drag ring of making like this and be adjusted to two external friction rings especially neatly; They are radially to regulate with respect to the center drag ring by the wedge surface of centering ring.The brake pad of the drag ring on the input limit is positioned at recess and can moves away from each other, can avoid beyond doubt at the brake pad of center drag ring and any inclination between the two external friction rings like this.The center or the second limit drag ring are divided into three or four ring pieces, they each be associated with engaging pins in several holes that are fixed on brill radially.The brake pad that these engaging pins are used for guaranteeing exporting the limit drag ring but does not destroy moving axially of they on the direction of rotation.In order to move axially, the output flange has the annular concavity of a proper width to support dimple, meshes about the piece base to this engaging pin and brake pad of exporting the limit.
To the present invention be described in more detail by embodiment now, the following all accompanying drawings of reference:
Fig. 1 is the axial section according to part gearing for mining machine of the present invention;
Fig. 2 is the local radial sectional drawing of Fig. 1 along the A-A line;
Fig. 3 is the partial plan layout of Fig. 1 in the drag ring zone.
In all accompanying drawings, a kind of gearing for mining machine has been described, it has sprocket wheel 1 and a driving shaft 2 that is used for sprocket wheel 1 of the delivery wheel that is used to dig up mine.In this mechanism, sprocket wheel 1 has an output flange 3, and driving shaft 2 has an input flange 4.In order to form a kind of friction engagement, output flange 3 has a ring-type cone tank 5 to match with input flange 4; Input flange 4 has the hole 6 of radially boring along distributing in its garden week and matches with endless groove 5 so that engaging pin 7 to be installed.Engaging pin 7 embeds endless groove 5 together with the cone pin cap.For this purpose, freely fitted, have the centering ring 9 of the work lozenges 11 that withstands on the pin bottom surface 10.By being positioned at a pressure rings 12 of its front, can regulate at input flange 4 inner radials.The cone pin cap constitutes to resemble and is added on the engaging pin 7 brake pad 8.On the both sides of engaging pin 7, the direction of rotating at brake pad 8 has the radial slit S that predesignates the width and the degree of depth.So increase and on these areas, set up oil film wedge to slot end at per surface area pressure on the brake pad 8; Issue at overload situations like this that oil generation slides and reduce peak stress equably.
In order to obtain evenly level and smooth engagement and to reduce the pressure of per surface area, therefore keep so-called safe operation condition by a kind of non-destructive oil film of formation; Input flange 4, along at least two vicinities, the radially hole 6 of brill is provided for engaging pin 7 at the garden shape track A that leaves a fixed range mutually and B.The brake pad 8 that is added on the engaging pin 7 forms two garden shape drag rings 15 and 16, and their lateral surface 13 is with respect to side 14 work of endless groove.In two garden shape track A and the projected position between the B on input limit, at least on a garden shape track C, output flange 3 has a drag ring 18, and this ring projection is worked with respect to their medial surface 17 between two drag rings 15 and 16 on input limit and with corresponding tapering.Adjust and be complementary with two drag rings 15 and 16 on the input limit for independent, also for the contingent any wear effects of equilibrium, the drag ring 18 on exporting the limit is supported in the endless groove 5, can move axially.In detail, input flange 3, with the coaxial garden shape track of the drag ring 18 of output on the limit on, the engaging pin 20 that has conical friction piece 21 along the hole 19 of radially boring that distributes in its garden week with installation is arranged, this brake pad 21 forms drag ring 18 on the output limit.In addition, drag ring 15,16 and 18 reaches king-sized mutual regulated quantity.Move away from each other and be positioned at recess at the drag ring 15 and 16 the brake pad 8 of input on the limit.Be positioned at that the garden shape track A of two vicinities and the engaging pin 7 on the B lean against axially with their bottom surface 10 and on the lozenges 11 of radially adjustable centering ring 9; So engaging pin 7 itself can radiai adjustment.Drag ring 18 on the output limit can be divided into three, four or more a plurality of brake pad 21 again, and wherein each connects with several engaging pins 20 that are fixed in the hole of radially boring again, is on the direction of rotation to guarantee these brake pads 21.In addition, for the brake pad 21 on the output limit can move axially, endless groove 5 has the ring-type of a Rack to support dimple 22; The engaging pin 20 on output limit embeds this and supports in the dimple 22.Again it, at the brake pad 21 of output on the limit, in order to embed engaging pin 20, have the transverse slot 23 that matches; Moving axially so can be not weakened.
Claims (4)
1, a kind of gearing for mining machine is made up of sprocket wheel and a driving shaft that is used for sprocket wheel of the carrier chain that is used to dig up mine, in this mechanism, sprocket wheel has an output flange, driving shaft has an input flange, in order to form a kind of friction engagement, the output flange has a ring-type cone tank to match with the input flange, the input flange bores along being distributed with in its garden week radially, with the hole of cannelure position consistency so that engaging pin to be installed, these holes are arranged on along at least two vicinities, leave mutually on the garden shape track of a fixed range, engaging pin is equipped with the cone pin cap and can embeds endless groove and form two garden shape drag rings, their lateral surface is with respect to the side work of endless groove, and for this purpose, a freely fitted, have the centering ring that withstands on the lozenges of working on the pin bottom surface, by being located at a pressure rings of its front, can be in axial and radiai adjustment in the input flange, the cone pin cap constitutes to resemble and is added on the engaging pin the brake pad; It is characterized in that, in the projected position between two garden shape tracks on input limit, at least on a garden shape track, the output flange has a drag ring, this ring projection is between two drag rings on input limit and with the medial surface work of corresponding tapering with respect to them, drag ring on the output limit is supported in the endless groove, can move axially, with the coaxial garden shape track of the drag ring of output on the limit on, the output flange has radially and to bore, and having the engaging pin of conical friction piece with installation along the hole that distributes in its garden week, these brake pads form drag ring on the output limit.
2,, it is characterized in that brake pad at the drag ring of input on the limit moves away from each other and is positioned at recess according to the described mining transmission mechanism of claim 1.
3, according to the described mining transmission mechanism of claim 1, it is characterized in that being divided into three or four brake pads at the drag ring of output on the limit, they each be associated with engaging pins in several holes that are fixed on brill radially.
4, according to the described mining transmission mechanism of claim 1, it is characterized in that for the brake pad on the output limit can move axially, endless groove has the ring-type of a Rack to support dimple, the bottom of the brake pad on output limit embeds in this support dimple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85106080A CN1007281B (en) | 1985-08-12 | 1985-08-12 | Gearing for mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85106080A CN1007281B (en) | 1985-08-12 | 1985-08-12 | Gearing for mining machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85106080A CN85106080A (en) | 1987-03-04 |
| CN1007281B true CN1007281B (en) | 1990-03-21 |
Family
ID=4794870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85106080A Expired CN1007281B (en) | 1985-08-12 | 1985-08-12 | Gearing for mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1007281B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007001277U1 (en) * | 2007-01-23 | 2008-03-13 | Dbt Gmbh | Guide shoe for a roller loader and wear inserts for guide shoes |
-
1985
- 1985-08-12 CN CN85106080A patent/CN1007281B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN85106080A (en) | 1987-03-04 |
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