CN203551296U - Framework positioning apparatus of high-speed motor train unit bogie parameter testing stand - Google Patents
Framework positioning apparatus of high-speed motor train unit bogie parameter testing stand Download PDFInfo
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- CN203551296U CN203551296U CN201320722974.1U CN201320722974U CN203551296U CN 203551296 U CN203551296 U CN 203551296U CN 201320722974 U CN201320722974 U CN 201320722974U CN 203551296 U CN203551296 U CN 203551296U
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Abstract
本实用新型公开了高速动车组转向架参数测试台构架定位装置，为克服不能在三个方向上同时准确地对转向架构架进行定位的问题。所述的转向架构架定位装置包括有构架三向支承座（1）、胀紧套（2）、构架三向定位轴（3）、千斤顶（4）、1号环链装配体（5）和2号环链装配体（6）。1号环链装配体（5）的两端与2号环链装配体（6）的两端分别和构架三向支承座（1）中的上顶板（7）螺栓连接，胀紧套（2）安装在构架三向支承座（1）的上顶板（7）中心处的胀紧套安装套筒（30）内为接触连接，构架三向定位轴（3）安装在胀紧套（2）内为接触连接，千斤顶（4）安装在构架三向定位轴（3）下方的构架三向支承座（1）中的下底板（8）上。
The utility model discloses a frame positioning device for a bogie parameter test bench of a high-speed EMU, in order to overcome the problem that the bogie frame cannot be accurately positioned simultaneously in three directions. The bogie frame positioning device includes frame three-way support seat (1), expansion sleeve (2), frame three-way positioning shaft (3), jack (4), No. 1 chain assembly (5) and Ring chain assembly #2 (6). The two ends of the No. 1 chain assembly (5) and the two ends of the No. 2 chain assembly (6) are respectively connected to the upper top plate (7) in the three-way support seat (1) of the frame by bolts, and the expansion sleeve (2 ) is installed in the expansion sleeve installation sleeve (30) at the center of the upper top plate (7) of the frame three-way support seat (1) for contact connection, and the frame three-way positioning shaft (3) is installed on the expansion sleeve (2) The inside is a contact connection, and the jack (4) is installed on the lower base plate (8) in the three-way support seat (1) of the frame below the three-way positioning shaft (3) of the frame.
Description
Technical field
The utility model relates to the servicing unit in a kind of rail vehicle steering frame parameter detection equipment, particularly relates to the bogie frame locating device in a kind of planer-type parameter of bogie test board of testing Highs-speed motor train unit bogie parameter.
Background technology
At present, China has reached 350km/h in the motor train unit max. speed of operation, and the motor train unit max. speed in development has approached 500km/h.Along with developing rapidly of motor train unit technology, the parameter testing of motor train unit bogie has been proposed to more and more higher requirement.
Bogie is the traveling portion of motor train unit and other types rail vehicle, mainly framework, single stage suspension, secondary suspension and wheel equity, consists of bearing body on it.The major parameter of bogie comprises vertical stiffness, longitudinal rigidity, lateral stiffness, gyro rigidity, diamond resistant rigidity and the revolution moment of friction etc. of single stage suspension, secondary suspension, the size of each parameter and the whether reasonable quality that determines bogie dynamic property of coupling, in service at actual track, these parameters directly affect speed, stationarity, comfortableness and the safe reliability of train.Therefore, rail vehicle truck major parameter is measured is accurately very necessary to exploitation bogie Comprehensive Parameter Test Rig for Electrical.
Measure in the process of parameter of bogie, tested bogie need to be fixed on special test board, for different test events, by the actuator that servo-hydraulic control is different, tested bogie or test board corresponding site are carried out to simulation loading, make to produce controlled displacement or distortion between the each parts of tested bogie, by corresponding sensor, detect the size of imposed load and displacement simultaneously, calculate thus the parameters of bogie.
Fixing general the adopt wheel of tested bogie on test board fixed fixing or framework.Utilize wheel to fixed form, during test, to the framework application of force, make framework and bogie miscellaneous part produce relative displacement, but this fixed form cannot be distinguished the stiffness parameters of single stage suspension and secondary suspension, can only carry out the measurement of bogie integral rigidity parameter.Utilize framework fixed form, if during test to wheel to or the wheel shaft application of force, make wheel to producing the displacement of relative framework, can measure the stiffness parameters of single stage suspension, if during test to car body or the bolster application of force, the displacement that makes body part produce relative framework, can measure the stiffness parameters of secondary suspension.Second method is used extensively in rail vehicle truck testing synthesis parameter, this just require test board can realize to bogie frame fast, accurately, convenient, location reliably.If framework is not positioned in certain direction, can not measure the party's stiffness parameters upwards; If framework is located inaccurate in certain direction, can cause measuring accuracy to decline, produce error.And, bogie model, of a great variety, particularly high speed railway car bogie structure complexity at present, steel structure is various, for the stationary installation of locating framework, requires to have certain versatility, guarantees that different model bogie frame is fixed convenient.
Existing parameter of bogie test board can not provide the bogie frame locating device of versatility, in actual tests operation, has wasted manpower and materials, is but difficult to guarantee the accuracy of test data.Through retrieval, the similar techniques that existing parameter of bogie test board adopts for the location of bogie frame is as follows:
1. Chinese patent notification number is CN100526843c; The day for announcing is 2009.8.12; The patent No. is zL200810044274.5; Denomination of invention is " a kind of determination experiment platform that can simultaneously measure railway stock bogie three-way rigidity "; The applying date is 2008.4.23.This patent discloses a kind of determination experiment platform that can simultaneously measure railway stock bogie three-way rigidity, structure by planer-type realizes vertical, the horizontal and vertical loading to bogie, each to acting force by the load transducer measurement between back up pad and mobile platform, but bogie frame positioning device structure is not set forth.
2. Chinese patent notification number is CN201247155Y; The day for announcing is 2009.5.27; The patent No. is zl200820133107; Denomination of invention is " bogie characterisitic parameter test board "; The applying date is 2008.8.29.This patent discloses a kind of bogie characterisitic parameter test board, can carry out located lateral to framework and car body, and can be to wheel to carrying out horizontal and vertical location, but can not carry out longitudinal register to framework, on hanging longitudinal rigidity measurement, there is impact, and this scheme lacks versatility, is only applicable to traditional roller bearing adapter stabilizer bar.
3. Chinese patent notification number is CN101813565A; The day for announcing is 2010.8.25; The patent No. is zl201019100004.6; Denomination of invention is " for the framework positioning device of comprehensive parameter detection table of rail vehicle bogie "; The applying date is 2010.2.8.This patent discloses a kind of framework positioning device, horizontal and longitudinal locator meams is only provided, do not illustrate vertical locator meams, cause bogie frame location inaccurate, affect parametric measurement, and the thrust leading screw assembly mechanism complex structure in this patent, handles loaded down with trivial detailsly, and test efficiency is not high.
Summary of the invention
Technical problem to be solved in the utility model is to have overcome the problem that can not position bogie frame exactly in three directions that prior art exists simultaneously, and a kind of Highs-speed motor train unit bogie parameter test board framework positioning device is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described Highs-speed motor train unit bogie parameter test board framework positioning device includes framework three-dimensional supporting base, expansion sleeve, framework three-dimensional locating shaft, lifting jack, No. 1 loop chain assembly and No. 2 loop chain assemblies.
The two ends of the two ends of No. 1 loop chain assembly and No. 2 loop chain assemblies respectively with framework three-dimensional supporting base in upper plate bolt be connected, expansion sleeve is arranged in the expansion sleeve installing sleeve of upper plate center of framework three-dimensional supporting base as contact connects, it is contact connection that framework three-dimensional locating shaft is arranged in expansion sleeve, and lifting jack is arranged on the lower shoe in the framework three-dimensional supporting base below framework three-dimensional locating shaft.
The top end face of the lifting jack described in technical scheme contacts with the bottom surface of framework three-dimensional locating shaft, the axis of rotation conllinear of expansion sleeve installing sleeve, expansion sleeve, framework three-dimensional locating shaft and lifting jack.
Framework three-dimensional supporting base described in technical scheme also includes No. 1 back up pad, No. 2 back up pads and No. 3 back up pads.No. 1 back up pad is identical with No. 2 supporting plate structures, is the slab construction part that is L-type, the slab construction part that No. 3 back up pads are rectangles, and No. 1 back up pad, No. 2 back up pads are identical with No. 3 back up pad height.Upper plate placement parallel with lower shoe, back up pad is installed between upper plate and lower shoe No. 1 vertically, No. 2 back up pads and No. 3 back up pads, No. 1 back up pad, No. 2 back up pad contacts with lower shoe with upper plate successively and adopts welding manner to be connected with the top and bottom of No. 3 back up pads, No. 1 back up pad becomes symmetrically to arrange with No. 2 back up pads on lower shoe, simultaneously, No. 1 back up pad and No. 2 back up pads are positioned on the front-rear center line of lower shoe, the left side of No. 1 back up pad and the left side of lower shoe are coplanar, the right side of No. 2 back up pads and the right side of lower shoe are coplanar, the bottom of No. 3 back up pads is fixed on the left and right center line of lower shoe, the rear end face of No. 3 back up pads and the rear end face of lower shoe are coplanar.
On the lower shoe in No. 1 back up pad right-hand member described in technical scheme and the front of No. 2 back up pad left ends, be provided with vertically structure identical strengthen gusset and No. 2 reinforcement gussets for No. 1, strengthen gusset for No. 1 and strengthen the slab construction part that gusset is rectangle No. 2, strengthen gusset for No. 1 and strengthen gusset and No. 1 back up pad No. 2, No. 2 back up pad is identical with No. 3 back up pad height, strengthen gusset for No. 1 and strengthen gusset for No. 2 being parallel to each other, strengthen gusset for No. 1 with the right-hand member of No. 2 reinforcement gusset successively with No. 1 back up pad and the left end of No. 2 back up pads is perpendicular and adopt welding manner to be connected, strengthening gusset for No. 1 adopts welding manner to be connected with upper end and the upper plate of No. 2 reinforcement gussets.
Upper plate described in technical scheme is a slab construction part that is " protruding " font, four bolt manholes that structure is identical are symmetrically set on upper plate, the axis of rotation of the bolt manhole that four structures are identical is distributed in four jiaos of places of a rectangle vertical with upper plate, and the centre position of upper plate arranges a central circular through hole.Described lower shoe is the slab construction part of a rectangle, and the four edges place of lower shoe is distributed with the base plate manhole for T-shaped bolt is installed equably.
No. 1 loop chain assembly described in technical scheme is identical with No. 2 loop chain assembly structures, and No. 1 loop chain assembly and No. 2 loop chain assemblies all include loop chain, link chain sheath, No. 1 tightening screw, No. 2 tightening screws, No. 1 nut shim and No. 2 nut shims.The connector bolt of one end of loop chain and No. 1 tightening screw upper end is connected, the connector bolt of the other end of loop chain and No. 2 tightening screw upper ends is connected, link chain sheath is sleeved on loop chain, the screw rod end that No. 1 nut shim is sleeved on No. 1 tightening screw is for being rotationally connected, and the screw rod end that No. 2 nut shims are sleeved on No. 2 tightening screws is for being rotationally connected.
No. 1 tightening screw described in technical scheme is identical with No. 2 tightening screw structures, and No. 1 tightening screw and No. 2 tightening screws all include connector and screw rod, and connector is connected with screw rod, connector and screw rod axis of rotation conllinear.Described screw rod is processed with external thread, connector is a cylindrical structural member, along radially the processing the opening groove of loop chain be installed of right cylinder upper end, along right cylinder upper end radially and the tightening screw manhole of radially processing two axis of rotation conllinear vertical with the cell wall of opening groove.
Compared with prior art the beneficial effects of the utility model are:
1. Highs-speed motor train unit bogie parameter test board framework positioning device volume described in the utility model is little, and floor area is little, flexible for installation.
2. Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model is simple in structure, operates simple and easy, easy to maintenance.
3. Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model adopts flexible loop chain and installs link chain sheath additional; be applicable to the bogie of different model; guarantee to protect loop chain and bogie frame curb girder when accurately locating, the tightening force while avoiding due to location causes the scraping damage of loop chain and bogie frame curb girder contact site
4. Highs-speed motor train unit bogie parameter test board framework positioning device reasonable in design described in the utility model, adopt T-shaped bolted mode to be fixedly attached on middle ferry bus, be convenient to adjust, greatly improved the test efficiency of EMU axle box bearing reliability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the isometric projection figure of Highs-speed motor train unit bogie parameter test board framework positioning device structure composition described in the utility model;
Fig. 2 is that Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model has been removed the full sectional view on front view after No. 1 loop chain assembly and No. 2 loop chain assemblies;
Fig. 3 is the isometric projection figure of the framework three-dimensional supporting base that adopts in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model;
Fig. 4 is the full sectional view on the framework three-dimensional supporting base vertical view adopting in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model;
Fig. 5 is the isometric projection figure of No. 1 loop chain assembly structure composition of adopting in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model;
Fig. 6 is the isometric projection figure of No. 1 tightening screw in No. 1 loop chain assembly adopting in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model;
Fig. 7 is the isometric projection figure of the expansion sleeve that adopts in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model;
Fig. 8 is the full sectional view on the expansion sleeve front view adopting in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model;
Fig. 9 is the isometric projection figure that Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model and Highs-speed motor train unit bogie are installed relation;
Figure 10 is the isometric projection figure that Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model and bogie frame are installed positioning relation;
Figure 11 is that No. 1 Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model and No. 1 curb girder of bogie frame are installed the isometric projection figure of relation;
In figure: 1. framework three-dimensional supporting base, 2. expansion sleeve, 3. framework three-dimensional locating shaft, 4. lifting jack, No. 5.1 loop chain assemblies, No. 6.2 loop chain assemblies, 7. upper plate, 8. lower shoe, No. 9.1 back up pads, 10.2 number back up pad, 11.3 number back up pad, 12. loop chains, 13. link chain sheaths, 14.1 number tightening screw, 15.2 number tightening screw, 16.1 number nut shim, 17.2 number nut shim, 18. expansion sleeve outer shrouds, ring in 19. expansion sleeves, the wide conical ring of 20. expansion sleeve, the narrow conical ring of 21. expansion sleeve, 22. socket head cap screws, 23. Highs-speed motor train unit bogies, 24. No. 1, bogie frame curb girders, 25. No. 2, bogie frame curb girders, No. 26.1 Highs-speed motor train unit bogie parameter test board framework positioning devices, No. 27.2 Highs-speed motor train unit bogie parameter test board framework positioning devices, ferry bus in the middle of 28., 29. bogie frame vertical through-via, 30. expansion sleeve installing sleeves.
Embodiment
Below in conjunction with accompanying drawing, the utility model is explained in detail:
The purpose of this utility model is to provide a kind of Highs-speed motor train unit bogie parameter test board framework positioning device, solve the problem that can not simultaneously accurately locate bogie frame in three directions that prior art exists, simultaneously, the scenario-frame that this patent provides is simple, be convenient to install, good positioning effect, compared with prior art, has greatly improved test efficiency.
Consult Fig. 1 and Fig. 2, Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model includes framework three-dimensional supporting base 1, expansion sleeve 2, framework three- dimensional locating shaft 3,5 and No. 2 loop chain assemblies 6 of 4, No. 1 loop chain assembly of lifting jack.
The two ends of the two ends of No. 1 loop chain assembly 5 and No. 2 loop chain assemblies 6 respectively with framework three-dimensional supporting base 1 in upper plate 7 bolts be connected, it is close contact connection that expansion sleeve 2 is arranged in the expansion sleeve installing sleeve 30 of upper plate 7 centers in framework three-dimensional supporting base 1, framework three-dimensional locating shaft 3 is arranged in expansion sleeve 2 as close contact connects, lifting jack 4 is arranged on the lower shoe 8 in the framework three-dimensional supporting base 1 of framework three-dimensional locating shaft 3 belows, the top end face of lifting jack 4 contacts with the bottom surface of framework three-dimensional locating shaft 3, expansion sleeve installing sleeve 30, expansion sleeve 2, the axis of rotation conllinear of framework three-dimensional locating shaft 3 and lifting jack 4.
Consult Fig. 3 and Fig. 4, described framework three-dimensional supporting base 1 is a symmetrical frame clsss structural member being welded by plurality of steel plates, includes upper plate 7,10 and No. 3 back up pads 11 of 9, No. 2 back up pads of 8, No. 1 back up pad of lower shoe.
The upper plate 7 of described horizontal positioned is a flat-type structural member that is " protruding " font, on upper plate 7, be symmetrically provided with four bolt manholes, the axis of rotation of four bolt manholes is distributed in four jiaos of places of a rectangle vertical with upper plate 7 plane of living in, and four bolt manholes are used for 5 and No. 2 loop chain assemblies 6 of No. 1 loop chain assembly and are arranged on upper plate 7.The centre position of upper plate 7 arranges a central circular through hole, in central circular through hole, adopting the cylindrical parts structural member of a vertical cup-shaped of placing of welding manner fixed installation is expansion sleeve installing sleeve 30, and expansion sleeve installing sleeve 30 is used for fixing installs expansion sleeve 2 and framework three-dimensional locating shaft 3.
The lower shoe 8 of described horizontal positioned is the flat-type structural member of a rectangle, the four edges place of lower shoe 8 is distributed with some base plate manholes equably, for install T-shaped bolt lower shoe 8 is fixedly connected on framework three-dimensional supporting base 1 in other words in the middle of on ferry bus 28 or be fixedly connected in the T-shaped groove of workplace on the test platform of other types.
10 and No. 3 back up pads 11 of 9, No. 2 back up pads of passive No. 1 back up pad of described vertical placement adopt welding manner to be fixedly mounted between upper plate 7 and lower shoe 8, certainly, 10 and No. 3 back up pads of 9, No. 2 back up pads of No. 1 back up pad 11 have also increased the rigidity of structure of framework three-dimensional supporting base 1 simultaneously, guarantee the reliable location to bogie frame.No. 1 back up pad 9 is identical with No. 2 back up pad 10 structures, be the flat-type structural member that is L-type, No. 1 back up pad 9 becomes symmetrically to arrange with No. 2 back up pads 10 on the upper surface of lower shoe 8, simultaneously, the left side of the left side of No. 1 back up pad 9 and lower shoe 8 is coplanar, the right side of the right side of No. 2 back up pads 10 and lower shoe 8 is coplanar, between the left side of the right side of No. 1 back up pad 9 and No. 2 back up pads 10, have certain distance, bottom and the lower shoe 8 of 9 and No. 2 back up pads 10 of No. 1 back up pad are welded and fixed.The flat-type structural member that No. 3 back up pads 11 are rectangles, 9, No. 2 back up pads 10 of No. 1 back up pad are highly identical with No. 3 back up pads 11; The bottom of No. 3 back up pads 11 is weldingly fixed on the left and right center line of lower shoe 8 upper surfaces, and the rear end face of the rear end face of No. 3 back up pads 11 and lower shoe 8 is coplanar.No. 1 back up pad 9, 10 and No. 3 back up pads 11 of No. 2 back up pads distribute in a triangle on lower shoe 8, in order to guarantee the rigidity of structure of framework three-dimensional supporting base 1, on the lower shoe 8 in No. 1 back up pad 9 right-hand member and the front of No. 2 back up pad 10 left ends, be provided with vertically structure identical strengthen gusset and No. 2 reinforcement gussets for No. 1, strengthen gusset for No. 1 and strengthen the slab construction part that gusset is rectangle No. 2, strengthen gusset for No. 1 and strengthen gusset and No. 1 back up pad 9 No. 2, No. 2 back up pad 10 is highly identical with No. 3 back up pads 11, strengthen gusset for No. 1 and strengthen gusset for No. 2 being parallel to each other, strengthen gusset for No. 1 with the right-hand member of No. 2 reinforcement gusset successively with No. 1 back up pad 9 and the left end of No. 2 back up pads 10 is perpendicular and adopt welding manner to be connected, strengthening gusset for No. 1 adopts welding manner to be connected with upper end and the upper plate 7 of No. 2 reinforcement gussets, when guaranteeing the rigidity of structure, No. 1 back up pad 9 right-hand members, the above space of lower shoe 8 between No. 2 back up pad 10 left ends and No. 3 back up pad 11 front ends is for placing lifting jack 4 and the descending operation that carries out lifting jack 4.
The lower end of the inside surface of described expansion sleeve installing sleeve 30 is provided with a torus to inner process, and the torus of this projection plays the effect of vertical direction (axially) location to the expansion sleeve 2 being arranged in expansion sleeve installing sleeve 30.
Described framework three-dimensional locating shaft 3 is multidiameters that are comprised of two sections of axles, and from top to bottom the diameter of axle is ascending, and the diameter of framework three-dimensional locating shaft 3 upper shafts is less than the diameter of lower end axle.
Consult Fig. 5 to Fig. 6, No. 1 loop chain assembly 5 described in the utility model comprises loop chain 12,16 and No. 2 nut shims 17 of 15, No. 1 nut shim of 14, No. 2 tightening screws of 13, No. 1 tightening screw of link chain sheath.
The U-shaped connector bolt of one end of loop chain 12 and No. 1 tightening screw 14 upper ends is connected, the U-shaped connector bolt of the other end of loop chain 12 and No. 2 tightening screw 15 upper ends is connected, link chain sheath 13 is sleeved on loop chain 12, the screw rod end that No. 1 nut shim 16 is sleeved on No. 1 tightening screw 14 is for being rotationally connected, and the screw rod end that No. 2 nut shims 17 are sleeved on No. 2 tightening screws 15 is for being rotationally connected.
Loop chain 12 is across the centre position of crossing bogie frame curb girder, and due to bogie frame side beam structure complexity, out-of-shape, the flexibility characteristics that loop chain 12 has can be fixed it well and can obtain reliable locating effect.Link chain sheath 13 is cylindrical structure parts that one section of material is plastics or other flexible materials; Main Function is that loop chain 12 and bogie frame curb girder time are protected in location, and the tightening force while avoiding due to location causes contact with the bogie frame curb girder scraping at position of loop chain 12 to damage.No. 1 tightening screw 14 is identical with No. 2 tightening screw 15 structures, all includes connector and screw rod, the screw rod that is one end is processed with external thread, the other end is that connector is a cylindrical structural member, along the opening groove of radially processing an installation loop chain 12 of right cylinder upper end, again along right cylinder upper end radially and the tightening screw manhole of radially processing two axis of rotation conllinear vertical with the cell wall of opening groove, coupling bolt inserts tightening screw manhole on connector and adopts fastening nuts with packing in the ring of the loop chain 12 in connector opening groove again, according to test situation, select the ring inserting for coupling bolt on loop chain 12 can change the effective length of loop chain 12, for the bogie of different model, can realize certain versatility.No. 1 nut shim 16 is identical with No. 2 nut shim 17 structures, when the bogie frame of location, screw nut, the upper surface of nut becomes contact to be connected with the lower surface of pad, the upper surface of pad is connected with the lower plane contact of the upper plate 7 of framework three-dimensional supporting base 1, by 14 and No. 2 tightening screws 15 of No. 1 tightening screw, strain loop chain 12, and then apply the vertical force to bogie frame curb girder.
Consult Fig. 7 to Fig. 8, the expansion sleeve 2 adopting in Highs-speed motor train unit bogie parameter test board framework positioning device described in the utility model is standard components, and what the expansion sleeve 2 in this example adopted is that model is the expansion sleeve of Z4-100 × 160.Described expansion sleeve 2 comprises ring 19, the wide conical ring 20 of expansion sleeve, the narrow conical ring 21 of expansion sleeve and some socket head cap screws 22 in expansion sleeve outer shroud 18, expansion sleeve.
Described expansion sleeve outer shroud 18 is not a continuous torus, directly over it, there are (left and right) before and after perforation and inside and outside crack, the inner ring surface of expansion sleeve outer shroud 18 consists of the inner ring surface of intermediate projections bipyramid hole face, the thickness of expansion sleeve outer shroud 18 is linear from outside to inside increases, and on expansion sleeve outer shroud 18 inner ring surfaces, the tapering of the conical surface of close left end face is less than the tapering near the conical surface of its right end face.
In described expansion sleeve, ring 19 is not a continuous torus, directly over it, there are (left and right) before and after perforation and inside and outside crack, in expansion sleeve, the outer ring surface of ring 19 consists of the outer ring surface of intermediate projections Double-conical-surface, in expansion sleeve, encircle from outside to inside 19 linear the increasing of thickness, in expansion sleeve, on ring 19 outer ring surfaces, the tapering of the conical surface of close left end face is less than the tapering near the conical surface of its right end face.In expansion sleeve, encircle the tapering of the conical surface of close left end face on 19 outer ring surfaces and equate with the tapering of the conical surface of close left end face on expansion sleeve outer shroud 18 inner ring surfaces, in expansion sleeve, on ring 19 outer ring surfaces, the tapering of the conical surface of close its right end face equates with the tapering of the conical surface of close its right end face on expansion sleeve outer shroud 18 inner ring surfaces.
The wide conical ring 20 of described expansion sleeve is not a continuous torus, directly over it, there are (left and right) before and after perforation and inside and outside crack, the inner ring surface of the wide conical ring 20 of expansion sleeve and outer ring surface are the conical surfaces that tapering is equal, and its tapering equates with the conical surface and the interior tapering that encircles the conical surface of close left end face on 19 outer ring surfaces of expansion sleeve near left end face on expansion sleeve outer shroud 18 inner ring surfaces.
The narrow conical ring 21 of described expansion sleeve is not a continuous torus, directly over it, there are (left and right) before and after perforation and inside and outside crack, the inner ring surface of the narrow conical ring 21 of expansion sleeve and outer ring surface are the conical surfaces that tapering is equal, and its tapering equates with the conical surface and the interior tapering that encircles the conical surface of close its right end face on 19 outer ring surfaces of expansion sleeve near its right end face on expansion sleeve outer shroud 18 inner ring surfaces.The outer ring surface of the wide conical ring 20 of expansion sleeve becomes contact to be connected with the conical surface near left end face on expansion sleeve outer shroud 18 inner ring surfaces, the inner ring surface of the wide conical ring 20 of expansion sleeve becomes contact to be connected with on ring 19 outer ring surfaces in expansion sleeve near the conical surface of left end face, the outer ring surface of the narrow conical ring 21 of expansion sleeve becomes contact to be connected with the conical surface near its right end face on expansion sleeve outer shroud 18 inner ring surfaces, and the inner ring surface of the narrow conical ring 21 of expansion sleeve becomes contact to be connected with on ring 19 outer ring surfaces in expansion sleeve near the conical surface of its right end face.On the end face of the wide conical ring 20 of expansion sleeve and the narrow conical ring 21 of expansion sleeve, being distributed with equably vertically several through holes and threaded hole inserts and screws in for socket head cap screw 22, when tightening socket head cap screw 22, the wide conical ring 20 of expansion sleeve and the narrow conical ring 21 of expansion sleeve produce relative displacement, extruding expansion sleeve outer shroud 18 and the interior ring 19 of expansion sleeve, expansion sleeve outer shroud 18 is expanded outwardly, in expansion sleeve, ring 19 inwardly shrinks simultaneously, because becoming contact, the cup-shaped cylinder inner ring surface in the outer ring surface of expansion sleeve outer shroud 18 and upper plate 7 centre positions of framework three-dimensional supporting base 1 is connected, in expansion sleeve, the inner ring surface of ring 19 becomes contact to be connected with framework three-dimensional locating shaft 3 near the outer ring surface of bottom surface, under the effect of socket head cap screw 22, framework three-dimensional locating shaft 3 links together securely with framework three-dimensional supporting base 1.
The two ends of the two ends of No. 1 loop chain assembly 5 and No. 2 loop chain assemblies 6 are inserted respectively and are distributed in framework three-dimensional supporting base 1 in the manhole on upper plate 7.Expansion sleeve 2 is arranged in framework three-dimensional supporting base 1 in the expansion sleeve installing sleeve 30 in the central circular through hole on upper plate 7, the interior ring surface of the cylinder on framework three-dimensional supporting base 1 upper plate 7 is combined with the intimate of expansion sleeve 2, on horizontal and vertical, retrain expansion sleeve 2, the contact of the protruding toric upper anchor ring of bottom of cylinder on framework three-dimensional supporting base 1 upper plate 7 and the bottom surface of the expansion sleeve outer shroud 18 of expansion sleeve 2 is connected, and retrains expansion sleeve 2 on vertical to prevent that it from moving downward.In the expansion sleeve of expansion sleeve 2, the inside surface of ring 19 is circular holes of up/down perforation, and the external cylindrical surface larger with the diameter of framework three-dimensional locating shaft 3 becomes the contact of concentric to be connected, and on horizontal and vertical, retrains framework three-dimensional locating shaft 3.Lifting jack 4 is placed on the centre position of lower shoe 8 of framework three-dimensional supporting base 1, the upper surface of the plunger of lifting jack 4 becomes contact to be connected with the bottom surface of framework three-dimensional locating shaft 3, by regulating the height of lifting jack 4, can on vertical, locate framework three-dimensional locating shaft 3 and prevent that it from moving downward, and remains on working position.
Consult Fig. 9 to Figure 11, in parameter of bogie testing experiment, a location that Highs-speed motor train unit bogie 23 is realized bogie frame by two identical 26 and No. 2 Highs-speed motor train unit bogie parameter test board framework positioning devices 27 of No. 1 Highs-speed motor train unit bogie parameter test board framework positioning device of structure.Bogie frame has two No. 1 curb girder 24 of bogie frame and No. 2 curb girders 25 of bogie frame that structure is identical, between No. 1 curb girder 24 of bogie frame and No. 2 curb girders 25 of bogie frame, by crossbeam, is fixedly connected with.In the middle of No. 1 Highs-speed motor train unit bogie parameter test board framework positioning device 26 bottoms are fixedly attached to by T-shaped bolt, in the T-shaped groove of ferry bus 28 upper surfaces, (also can need to be fixed in the T-shaped groove on testing table ground according to test) No. 1 curb girder 24 of bogie frame in its location, top Highs-speed motor train unit bogie 23.In the middle of No. 2 Highs-speed motor train unit bogie parameter test board framework positioning device 27 bottoms are fixedly attached to by T-shaped bolt, in the T-shaped groove of ferry bus 28 upper surfaces, (also can need to be fixed in the T-shaped groove on testing table ground according to test) No. 2 curb girders 25 of bogie frame in its location, top Highs-speed motor train unit bogie 23.Middle ferry bus 28 is platforms of a kind of fixing Highs-speed motor train unit bogie 23, upper surface is distributed with some the T-shaped grooves that are arranged in parallel, make it to become a multiduty frock fixed installation carrier, can necessary frock or the position of adjustment frock need to be installed according to what test, greatly improve test efficiency.
In the middle of No. 1 curb girder of bogie frame 24, there is a bogie frame vertical through-via 29 that connects curb girder upper and lower surface, the less outer circumference surface of diameter of the framework three-dimensional locating shaft 3 in No. 1 Highs-speed motor train unit bogie parameter test board framework positioning device 26 becomes the contact of concentric to be connected with the inside surface of bogie frame vertical through-via 29, on horizontal and vertical, retrain No. 1 curb girder 24 of bogie frame, the lower surface of No. 1 curb girder 24 of anchor ring and bogie frame at framework three-dimensional locating shaft 3 shaft shoulder places in No. 1 Highs-speed motor train unit bogie parameter test board framework positioning device 26 becomes contact to be connected, on vertical, locate No. 1 curb girder 24 of bogie frame and prevent that it from moving downward, remain on working position.5 and No. 2 loop chain assemblies 6 of No. 1 loop chain assembly are across the centre position of crossing No. 1 curb girder 24 of bogie frame, and its two ends are all bolted on the upper plate 7 of framework three-dimensional supporting base 1, on vertical, retrain No. 1 curb girder 24 of bogie frame.No. 1 curb girder 24 of bogie frame is subject to the constraint of framework three-dimensional locating shaft 3 on horizontal and vertical and 5, No. 2 loop chain assemblies 6 of No. 1 loop chain assembly and framework three-dimensional locating shaft 3 constraint on vertical simultaneously, by position constraint reliably, realize the positioning requirements of test to bogie frame.
Highs-speed motor train unit bogie parameter test board framework positioning device principle of work:
Framework three-dimensional supporting base 1 in Highs-speed motor train unit bogie parameter test board framework positioning device is fixedly attached to by T-shaped bolt in the T-shaped groove of middle ferry bus 28 upper surfaces, framework three-dimensional locating shaft 3 retrains No. 1 curb girder 24 of bogie frame on horizontal and vertical, on vertical, locate No. 1 curb girder 24 of bogie frame and prevent that it from moving downward, and remains on working position.5 and No. 2 loop chain assemblies 6 of No. 1 loop chain assembly, across the centre position of crossing No. 1 curb girder 24 of bogie frame, retrain No. 1 curb girder 24 of bogie frame on vertical.No. 1 curb girder 24 of bogie frame is subject to the constraint of framework three-dimensional locating shaft 3 on horizontal and vertical and 5, No. 2 loop chain assemblies 6 of No. 1 loop chain assembly and framework three-dimensional locating shaft 3 constraint on vertical simultaneously, by position constraint reliably, realize the positioning requirements of test to bogie frame.
Claims (7)
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| CN201320722974.1U CN203551296U (en) | 2013-11-15 | 2013-11-15 | Framework positioning apparatus of high-speed motor train unit bogie parameter testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103592140A (en) * | 2013-11-15 | 2014-02-19 | 吉林大学 | High-speed train bogie parameter test bench framework locating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592140A (en) * | 2013-11-15 | 2014-02-19 | 吉林大学 | High-speed train bogie parameter test bench framework locating device |
| CN103592140B (en) * | 2013-11-15 | 2016-01-20 | 吉林大学 | Highs-speed motor train unit bogie parameter test board framework positioning device |
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