CN102384853B - Vertical positioning device of rail vehicle body - Google Patents

Vertical positioning device of rail vehicle body Download PDF

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Publication number
CN102384853B
CN102384853B CN 201110303421 CN201110303421A CN102384853B CN 102384853 B CN102384853 B CN 102384853B CN 201110303421 CN201110303421 CN 201110303421 CN 201110303421 A CN201110303421 A CN 201110303421A CN 102384853 B CN102384853 B CN 102384853B
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CN
China
Prior art keywords
car
collar
bulb
longitudinal register
vertical positioning
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Application number
CN 201110303421
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Chinese (zh)
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CN102384853A (en
Inventor
苏建
宫海彬
潘洪达
张立斌
陈熔
林慧英
徐观
单红梅
王恒刚
赵强
徐珊珊
王丽
葛树玲
李蒙蒙
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吉林大学
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Priority to CN 201110303421 priority Critical patent/CN102384853B/en
Publication of CN102384853A publication Critical patent/CN102384853A/en
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Publication of CN102384853B publication Critical patent/CN102384853B/en

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Abstract

The invention discloses a vertical positioning device of a rail vehicle body. The vertical positioning device comprises a vertical positioning base assembly (1) for a first vehicle body and a vertical positioning base assembly (2) for a second vehicle body. The vertical positioning base assembly (1) for the first vehicle body and the vertical positioning base assembly (2) for the second vehicle body are of a same structure; and each of the vertical positioning base assembly (1) for the first vehicle body and the vertical positioning base assembly (2) for the second vehicle body consists of a vertical pull rod assembly (4), an actuator position adjustment device (5) and a counter-force support (6). The vertical pull rod assembly (4) is connected with a jack joint board (23) of the actuator position adjustment device (5) by virtue of a double-acting hollow jack (14); the actuator position adjustment device (5) is linked with the counter-force support (6) through a bearing base (19); and the actuator position adjustment device (5) is further slidably connected with the counter-force support (6) through the jack joint board (23). In the vertical positioning base assembly (1) for the first vehicle body and the vertical positioning base assembly (2) for the second vehicle body, symmetrical axes of the vertical pull rod assemblies (4) are located on the same horizontal line.

Description

Vertical positioning device for rail vehicle body
Technical field
The present invention relates to a kind of test tool, more particularly, the present invention relates to a kind of vertical positioning device for rail vehicle body that adopts during for the test of the vertical suspension parameter of rail vehicle.
Background technology
The fast development of High-sped Trains has proposed stricter requirement for the research of dynamic performance of rail vehicle and the exploitation of product.The structures shape function, parameter determines performance, structure and parameter has status of equal importance in the design of any physical construction, rail vehicle also is so, and stability, traveling comfort and the Operation safety of its dynamic performance (that is: dynamics three elements)---operation then is to be determined by himself kinetic parameter fully.In recent years, along with the continuous progress of railway systems and the continuous speed-raising of rail vehicle, designing and developing the requirement of parameter characteristic test of rail vehicle is more and more strong.
Current, the rail vehicle manufacturing enterprise of many countries and operation commercial city are the important evidence of bogie performance test as the operation of assurance vehicle safety in the world, a lot of enterprises are when carrying out the research and development of novel steering frame, not only to carry out the parameter that a large amount of parameter Optimization Analysis is determined bogie, also will test to optimize the bogie suspension parameter at the characterisitic parameter that testing table carries out bogie reality to the bogie produced simultaneously.China also payes attention to the experimental study to the rail vehicle characterisitic parameter gradually, and a series of national standards about the rail vehicle performance test and method have been formulated and have put into effect, some domestic rail vehicle factories have also set up the parameter test board of oneself, with mensuration and the research of carrying out the bogie parameters.
Yet both at home and abroad the parameter of bogie testing table does not still hang vertical integral stiffness to bogie secondary suspension longitudinal rigidity and bogie and tests under car load completion state.
Therefore, development can realize the testing table of bogie secondary suspension longitudinal rigidity and bogie suspension comprehensive rigidity test, determines and optimize the bogie suspension parameter and improve the vehicle operating performance that with this tool is of great significance.
Summary of the invention
Technical matters to be solved by this invention is to have overcome the problem that prior art exists, and a kind of vertical positioning device for rail vehicle body is provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize: described vertical positioning device for rail vehicle body comprises No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies, described No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assembly structures are identical, all are comprised of longitudinal tie assembly, actuator position regulator and reaction support.
The double acting hollow lifting jack of longitudinal tie assembly left end by wherein is connected with lifting jack gusset bolt in the actuator position regulator, the supporting base of actuator position regulator by wherein links with the top end face bolt of reaction support, and actuator position regulator again two T-slots of the vertical direction by being fixed on No. 1 T-shaped guide rail bar on the lifting jack gusset and No. 2 T-shaped guide rail bars and reaction support is slidingly connected.
No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies all reaction support by separately are fixedly mounted on the basis of testing table, car body contiguous block in the longitudinal tie assembly in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies points to tested vehicle body of railway vehicle, the axis of symmetry of the longitudinal tie assembly in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies is co-located on the same level line, and No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies namely are provided with the longitudinal length that distance between the vertical plane of T-slot is not less than tested vehicle body of railway vehicle in two reaction supports.
Longitudinal tie assembly described in the technical scheme comprises pull bar, connects pillar, pulling force sensor, bulb connecting link, bulb set collar, car body contiguous block, the hollow lifting jack of double acting, lock ring, very heavy top ball pivot set collar and tie rod ball.
The pull bar right-hand member is threaded with tie rod ball, convex surface on the tie rod ball is connected with the concave curved surface contact of very heavy top ball pivot set collar on being sleeved on pull bar, the left side of very heavy top ball pivot set collar is connected with the right side contact of piston rod of the hollow lifting jack of double acting on being sleeved on pull bar, lock ring is sleeved on the ball pivot set collar of very heavy top as being threaded, and the left side of lock ring contacts with the right side of the hollow lifting jack outer tube wall of double acting and is connected simultaneously.The left end of pull bar is threaded with the right-hand member that is connected pillar, the right side that connects pillar contacts with the left side of set nut on being sleeved on pull bar and is connected, the right-hand member of pulling force sensor is threaded with the left end that is connected pillar, and the left end of pulling force sensor is threaded with the right-hand member of bulb connecting link.The bulb set collar is connected with car body contiguous block bolt, and the concave spherical surface contact that the protruding sphere of bulb connecting link left end is connected with the bulb set collar connects.The axis of symmetry conllinear of car body contiguous block, bulb set collar, bulb connecting link, pulling force sensor, connection pillar, pull bar, the hollow lifting jack of double acting, lock ring, very heavy top ball pivot set collar and tie rod ball; Described actuator position regulator comprises leading screw, adjusts handwheel, supporting base, No. 1 T-shaped guide rail bar, No. 2 T-shaped guide rail bars, bearing pin hanger and lifting jack gussets.Supporting base and adjustment handwheel are sleeved on the upper end of leading screw successively, it is clearance fit between through hole on the supporting base and the leading screw, adjust between handwheel and the leading screw as being threaded, adjust between handwheel and the supporting base as contact is connected the circular hole on adjustment handwheel, the supporting base and the central axis conllinear of leading screw.No. 1 T-shaped guide rail bar and No. 2 T-shaped guide rail bars vertically are fixedly mounted on the left side of lifting jack gusset symmetrically.The lower end of leading screw is connected by the bearing pin hanger of bearing pin with upper end, lifting jack gusset right side, and for slight interference is connected, the lower end of bearing pin and leading screw is for being rotationally connected movingly between bearing pin and the bearing pin hanger; Described reaction support is the low wide and up narrow box structure that adopts Plate Welding to form.The left side of reaction support is that mounting base is vertical with top end face and bottom face, the upper end of reaction support left side arranges strip through hole from left to right, be provided with symmetrically T-shaped groove from top to bottom on the left side of reaction support, be evenly equipped with on the mounting base of reaction support be used to the through hole that T-shaped bolt is installed, the reaction support top end face is evenly equipped with the threaded hole of installation bearing seat, is provided with symmetrically the reinforcement gusset between the bottom of reaction support left side and the mounting base; Described bulb connecting link left end is the bulb end that is provided with spherical, and the cylindrical right-hand member that is fixedly connected with the bulb end is arranged to hexagonal prism, axially is provided with internal thread in the center of hexagonal prism right side along hexagonal prism.The axis of rotation conllinear of bulb end, right cylinder and hexagonal prism; Described bulb set collar is cirque structure spare, the periphery of bulb set collar is evenly equipped with the through hole of erection bolt, bulb set collar left end be processed with the bulb connecting link on the concave spherical surface that cooperates of protruding sphere-contact, the concave spherical surface of bulb set collar left end and the conical bore of right-hand member are communicated with, the axis of rotation conllinear of concave spherical surface and conical bore; Described car body contiguous block is rectangular slab class formation spare, is processed with bolt hole on four jiaos of the car body contiguous block, and the centre position is provided with the annulus boss, is evenly equipped with vertically tapped blind hole on the annulus boss, is provided with circular blind hole along annulus boss inner cylinder face; Described very heavy top ball pivot set collar is cirque structure spare, be provided with screw thread on the external cylindrical surface of very heavy top ball pivot set collar, the left end of very heavy top ball pivot set collar is processed with the spill sphere that cooperates with protruding sphere-contact on the tie rod ball, the spill sphere of very heavy top ball pivot set collar left end is communicated with the conical bore of right-hand member, the axis of symmetry conllinear of the axis of symmetry of the spill sphere of very heavy top ball pivot set collar left end and the conical bore of right-hand member; Described tie rod ball is comprised of hexagonal prism, right cylinder and spheroid.Hexagonal prism, right cylinder and spheroid are fixedly connected sequentially and are integral, and the axis of symmetry conllinear of hexagonal prism, right cylinder and spheroid is provided with the tapped through hole equipped with pull bar from left to right on the axis of symmetry of tie rod ball.
Compared with prior art the invention has the beneficial effects as follows:
1. vertical positioning device for rail vehicle body of the present invention is comprised of No. 1 car body longitudinal register seat assembly, No. 2 car body longitudinal register seat assemblies, hydraulic power unit and Displaying Meters.Drive the hollow lifting jack of double acting by hydraulic power unit, drive the longitudinal tie assembly and strain tested car body, produce larger prefastening force at the car body two ends, realize the convenient and reliable longitudinal register of car body.Vertical positioning device for rail vehicle body is simple in structure, highly versatile.
2. vertical positioning device for rail vehicle body visitor of the present invention can be according to length over ends of body, adopts two kinds of position adjustment schemes to realize being connected of vertical positioning device for rail vehicle bodies and vehicle body of railway vehicle, and connectivity scenario is simple and reliable.
3. vertical positioning device for rail vehicle body of the present invention adopts the actuator position regulator that longitudinal tie assembly one end position is adjusted, longitudinal tie assembly two ends are that ball pivot connects simultaneously, guarantee the horizontal tension of car body, and do not produce the external force of other directions.Method of adjustment is simple, reliable, effectively avoided the generation of additional torque, load.
4. vertical positioning device for rail vehicle body of the present invention adopts lock ring to overcome the shortcoming that common hollow lifting jack can not self-locking, guaranteed to be positioned at the vertical positioning device for rail vehicle body at car body two ends to the reliable tension of car body, avoid letting out in the jack cylinder lifting jack pulling force decline problem that causes, this device can satisfy the needs of long-time test.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing:
Fig. 1 is the structure composition of vertical positioning device for rail vehicle body of the present invention and the axonometric projection graph of duty;
Fig. 2 is the axonometric projection graph of No. 1 car body longitudinal register seat assembly in the vertical positioning device for rail vehicle body of the present invention;
Fig. 3 is the axonometric projection graph of the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Fig. 4 is the full sectional view on the longitudinal tie assembly front view that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Fig. 5 is the partial enlarged view at X place among Fig. 4;
Fig. 6 is the axonometric projection graph of the actuator position regulator that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Fig. 7 is the axonometric projection graph of the reaction support that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Fig. 8 is the axonometric projection graph of the pull bar in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Fig. 9 is the axonometric projection graph that is connected pillar in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vertical positioning device for rail vehicle body of the present invention;
Figure 10 is the axonometric projection graph of the bulb connecting link in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 11 is the axonometric projection graph of the bulb set collar in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 12 is the axonometric projection graph of the car body contiguous block in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 13 is the axonometric projection graph of the hollow lifting jack of double acting in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 14 is the axonometric projection graph of the lock ring in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 15 is the axonometric projection graph of the very heavy top ball pivot set collar in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 16 is the axonometric projection graph of the leading screw of the actuator position regulator that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 17 is the axonometric projection graph of the supporting base of the actuator position regulator that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 18 is the axonometric projection graph of the bearing pin hanger of the actuator position regulator that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 19 is the axonometric projection graph of the lifting jack gusset of the actuator position regulator that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Figure 20 is the axonometric projection graph of the tie rod ball in the longitudinal tie assembly that adopts in No. 1 car body longitudinal register seat assembly of vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies;
Among the figure: No. 1.1 car body longitudinal register seat assemblies, 2. vehicle body of railway vehicle, No. 3.2 car body longitudinal register seat assemblies, 4. longitudinal tie assembly, 5. actuator position regulator, 6. reaction support, 7. pull bar, 8. set nut 9. connects pillar, 10. pulling force sensor, 11. bulb connecting links, 12. bulb set collars, 13. car body contiguous block, 14. the hollow lifting jack of double acting, 15. lock rings, 16. very heavy top ball pivot set collars, 17. leading screw, 18. the adjustment handwheel, 19. supporting bases, No. 20.1 T-shaped guide rail bars, 21.2 number T-shaped guide rail bar, 22. the bearing pin hanger, 23. lifting jack gussets, 24. tie rod balls.
Embodiment
Below in conjunction with accompanying drawing the present invention is explained in detail:
Consult Fig. 1 and Fig. 2, vertical positioning device for rail vehicle body of the present invention is by 1, No. 2 car body longitudinal register seat assemblies 3 of No. 1 car body longitudinal register seat assembly, and hydraulic power unit and Displaying Meter form.
1, No. 2 car body longitudinal register seat assemblies of described No. 1 car body longitudinal register seat assembly, 3 structures are identical, all are comprised of with reaction support 6 longitudinal tie assembly 4, actuator position regulator 5.Longitudinal tie assembly 4 one (left side) end is fixedly connected with lifting jack gusset 23 bolts in the actuator position regulator 5 by the hollow lifting jack 14 of double acting wherein, actuator position regulator 5 supporting base 19 by wherein and the top end face bolt fixed-link of reaction support 6, actuator position regulator 5 again two T-slots of the vertical direction by being fixed on No. 1 T-shaped guide rail bar 20 on the lifting jack gusset 23 and No. 2 T-shaped guide rail bars 21 and reaction support 6 are slidingly connected.
No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 all reaction support 6 by separately are fixedly mounted on the ground rail on testing table basis, car body contiguous block 13 on the longitudinal tie assembly 4 in No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 points to tested vehicle body of railway vehicle 2, the axis of symmetry of the longitudinal tie assembly 4 in No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 is co-located on the same level line, and the distance between No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 (namely being provided with the vertical plane of T-slot in two reaction supports 6) is not less than the longitudinal length of tested vehicle body of railway vehicle 2.Be fixedly connected with the two ends of tested vehicle body of railway vehicle 2 during longitudinal tie assembly 4 other ends in No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 (car body contiguous block 13) work.
Consult Fig. 3 to Fig. 5, longitudinal tie assembly 4 is comprised of pull bar 7, set nut 8, connection pillar 9, pulling force sensor 10, bulb connecting link 11, bulb set collar 12, car body contiguous block 13, the hollow lifting jack 14 of double acting, lock ring 15, very heavy top ball pivot set collar 16 and tie rod ball 24.
Pull bar 7 one (right side) end is connected with tie rod ball 24 by screw thread, convex surface on the tie rod ball 24 contacts with the concave curved surface of very heavy top ball pivot set collar 16 on being sleeved on pull bar 7 and is connected, and the left side of very heavy top ball pivot set collar 16 is connected with the right side contact of piston rod external part of the hollow lifting jack 14 of double acting on being sleeved on pull bar 7.Lock ring 15 is sleeved on the very heavy top ball pivot set collar 16 as being threaded, and the right side of outer tube wall contacts and is connected in the left side of lock ring 15 and the hollow lifting jack 14 of double acting simultaneously.Another of pull bar 7 (left side) end and the right-hand member that is connected pillar 9 be for being threaded, and the right side that connects pillar 9 and the left side of set nut 8 on being sleeved on pull bar 7 contact and be connected realization and lock locking.One (right side) end of pulling force sensor 10 is threaded with the left end that is connected pillar 9, and another of pulling force sensor 10 (left side) end is threaded with the right-hand member of bulb connecting link 11.Bulb set collar 12 is bolted to connection with the car body contiguous block 13 that is fixed on the tested vehicle body of railway vehicle 2, and the protruding sphere of the bulb end of bulb connecting link 11 left ends contacts with the concave spherical surface of bulb set collar 12 and is connected.The axis of rotation conllinear of car body contiguous block 13, bulb set collar 12, bulb connecting link 11, pulling force sensor 10, connection pillar 9, pull bar 7, the hollow lifting jack 14 of double acting, lock ring 15, very heavy top ball pivot set collar 16 and tie rod ball 24.Longitudinal tie assembly 4 one (right side) end is installed on the reaction support 6 by the ring flange on the hollow lifting jack 14 of double acting and actuator position regulator 5, and longitudinal tie assembly 4 another (left sides) are held with an end of tested vehicle body of railway vehicle 2 and are fixedly connected with.
The axis of rotation conllinear of two cover longitudinal tie assemblies 4 in No. 1 car body longitudinal register seat assembly 1 in the vertical positioning device for rail vehicle body of the present invention and No. 2 car body longitudinal register seat assemblies 3.Strain simultaneously tested vehicle body of railway vehicle 2 by No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 of being positioned at two ends during work.Longitudinal tie assembly 4 two ends are all ball pivot and connect, and just as in two power bars, when realizing the longitudinal register of car body, do not produce other constraints, thereby can not affect the accuracy of tested vehicle body of railway vehicle 2 other suspension parameter tests.
Consult Fig. 6, actuator position regulator 5 is comprised of with lifting jack gussets 23 leading screw 17, adjustment handwheel 18, supporting base 19, No. 1 T-shaped guide rail bar 20, No. 2 T-shaped guide rail bars 21, bearing pin hangers 22.
Supporting base 19 and adjustment handwheel 18 are sleeved on the upper end of the leading screw 17 that is vertical placement successively, be slidingly matched for the gap between through hole on the supporting base 19 and the leading screw 17, adjust between handwheel 18 and the leading screw 17 as being threaded, adjusting handwheel 18 bottom surfaces is rotatably assorted for contacting with the upper surface of the through hole cylinder boss of supporting base 19, under Action of Gravity Field, rotate to adjust handwheel 18, adjust handwheel 18 and rotate and can not separate at the upper surface of supporting base 19 cylinder boss.Adjust center of circular hole axis and leading screw 17 central axis conllinear on handwheel 18, the supporting base 19.Supporting base 19 is mounted by means of bolts on the top end face of reaction support 6.No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 vertically are installed in symmetrically on the left side of lifting jack gusset 23 and are bolted to connection, leading screw 17 lower ends with holes connect by the identical bearing pin hanger 22 of 2 structures that bearing pin and symmetry are fixed on upper end, lifting jack gusset 23 right sides, for slight interference is connected, the hole of bearing pin and leading screw 17 lower ends is for being rotationally connected movingly between bearing pin and the bearing pin hanger 22.No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 are installed in the T-shaped groove on the reaction support 6, with the T-shaped groove on the reaction support 6 be clearance fit, screwing the bolt that connects lifting jack gusset 23 and No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 by rotate adjusting after handwheel 18 makes longitudinal tie assembly 4 reach needed position, having realized being fixedly connected with of lifting jack gusset 23 and reaction support 6.
Longitudinal tie assembly 4 is installed in the through hole on the lifting jack gusset 23, and is connected with lifting jack gusset 23 bolts by the ring flange on the hollow lifting jack 14 in the longitudinal tie assembly 4, by the height control of rotation adjustment handwheel 18 realization longitudinal tie assemblies 4 at vertical direction.Thereby guarantee tested vehicle body of railway vehicle 2 horizontal tensions, longitudinal tie assembly 4 does not produce power and the moment of flexure of other directions to tested vehicle body of railway vehicle 2.
Consult Fig. 7, reaction support 6 is the low wide and up narrow box structures that adopt Plate Welding or casting to form, the left side is that mounting base is vertical with top end face and bottom face, the vertical plane of symmetry setting of the upper end edge of reaction support 6 left sides strip through hole from left to right is in order to pass longitudinal tie assembly 4; Be provided with symmetrically T-shaped groove from top to bottom on the left side of reaction support 6, so that the lifting jack gusset 23 that is fixed with No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 in the installation actuator position regulator 5, longitudinal tie assembly 4 is fixedly installed on the lifting jack gusset 23, realizes that the position of longitudinal tie assembly 4 is adjusted.Be evenly equipped with through hole on the mounting base of reaction support 6 bottoms, realize that by T-shaped bolt reaction support 6 is fixedly connected with ground rail in the basis.Reaction support 6 top end faces are evenly equipped with the threaded hole of installation bearing seat 19, are provided with symmetrically the reinforcement gusset between the bottom of reaction support 6 left sides and the mounting base.
Referring to Fig. 8, pull bar 7 is cylindrical structural spare, and two ends are provided with screw thread, and convenience is with tie rod ball 24 and be connected pillar 9 connections.Pull bar 7 one (right side) end is shaped with circular hole simultaneously, in order to pull bar 7 is applied the fixing of torsion and pull bar 7.
Referring to Fig. 3, set nut 8 shapes are similar to common hexagonal nut, and locking is locking when being used for pull bar 7 and being connected pillar 9 connection; Pulling force sensor 10 is wide range column pulling force sensor, and two ends are threaded, and is convenient and be connected being fixedly connected with of pillar 9 and bulb connecting link 11.Show in real time magnitude of load during work, guarantee that vertical positioning device for rail vehicle body produces certain prefastening force.
Referring to Fig. 6, No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bar 21 structures are identical, xsect is the bar class formation spare of T font, and be evenly equipped with threaded hole, No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 are mounted by means of bolts on the lifting jack gusset 23 symmetrically, No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 are packed in the T-shaped groove on the reaction support 6, are slidingly matched with T-shaped groove gap, realize being slidingly connected of lifting jack gusset 23 and reaction support 6.Adjusting handwheel 18 is annual disk class formation spare, central hole is processed with internal thread, the center pit of adjusting handwheel 18 is connected with leading screw 17 coaxial threaded, rotates adjustment handwheel 18 drive leading screws 17 and moves axially, and realization longitudinal tie assembly 4 position is in vertical direction adjusted.
Referring to Fig. 9, connecting pillar 9 is hollow tubular structure spare, and two ends are shaped with internal thread, thus can be easily to the adjustment of longitudinal tie assembly 4 length.Connect simultaneously pillar 9 two ends and be processed as the hexagonal prism face, be convenient to adjust so that spanner applies torsion to connection pillar 9.
Referring to Figure 10, bulb connecting link 11 1 (left side) end is for being provided with the bulb end of part spherical, the cylindrical right-hand member that is fixedly connected with the bulb end is arranged to hexagonal prism, so that spanner applies torsion to bulb connecting link 11, axially be provided with internal thread, the axis of rotation conllinear of bulb end, right cylinder and hexagonal prism in the center of hexagonal prism right side along hexagonal prism.The bulb end of bulb connecting link 11 contacts cooperation with bulb set collar 12, and another of bulb connecting link 11 (right side) end is threaded with pulling force sensor 10.
Referring to Figure 11, bulb set collar 12 is cirque structure spare, the periphery of bulb set collar 12 is evenly equipped with the through hole of erection bolt, in order to be fixedly connected with car body contiguous block 13 by bolt, bulb set collar 12 1 (left side) end is processed with concave spherical surface, so that the protruding sphere-contact of bulb connecting link 11 cooperates.The conical bore of the concave spherical surface of bulb set collar 12 1 (left side) end and another (right side) end is communicated with, the axis of rotation conllinear of concave spherical surface and conical bore, thus realize bulb connecting link 11 freely rotating in bulb set collar 12 certain limits.
Referring to Figure 12, car body contiguous block 13 is the plate structure spare of rectangle, be processed with the contiguous block bolt hole for erection bolt on four jiaos of car body contiguous block 13, the center of car body contiguous block 13 is provided with the annulus boss, be evenly equipped with vertically tapped blind hole on the annulus boss, be provided with circular blind hole along annulus boss inner cylinder face.Adopt bolt to realize being fixedly connected with of car body contiguous block 13 and bulb set collar 12, adopt being fixedly connected with of bolt realization car body contiguous block 13 and tested vehicle body of railway vehicle 2.
Referring to Figure 13, the hollow lifting jack 14 of double acting is on the basis of the common hollow lifting jack of double acting, bottom welding has ring flange, in order to the hollow lifting jack 14 of double acting is fixedly connected on the lifting jack gusset 23 in the actuator position regulator 5, piston rod in the hollow lifting jack 14 of double acting can move left and right, can apply the acting force that draws, presses both direction to tested vehicle body of railway vehicle 2.
Referring to Figure 14, lock ring 15 is the cylinder annular structural part, and an end of lock ring 15 is processed with internal thread, and the outer peripheral face of this end is arranged to six prismatic surfaces.Lock ring 15 is connected with very heavy top ball pivot set collar 16 coaxial threaded, during work, after vertical positioning device for rail vehicle body produced certain prefastening force, the right side of outer tube wall contacted and is connected in the left side of tightening lock ring 15 and be lock ring 15 and the hollow lifting jack 14 of double acting.Ball pivot set collar 16 positions, very heavy top that guaranteed to be supported on the piston rod end face of the hollow lifting jack 14 of double acting remain unchanged, thereby guaranteed pull bar 7 invariant positions, have overcome the shortcoming that the hollow lifting jack 14 of double acting can not self-locking.
Referring to Figure 15, very heavy top ball pivot set collar 16 is cirque structure spare, and the external cylindrical surface of very heavy top ball pivot set collar 16 is provided with screw thread, is used for being connected of very heavy top ball pivot set collar 16 and lock ring 15.One (left side) end of very heavy top ball pivot set collar 16 is processed with the spill sphere, this spill sphere cooperates with protruding sphere-contact on the tie rod ball 24, realize longitudinal tie assembly 4 around very heavy top ball pivot set collar 16 freely rotating within the specific limits, the spill sphere that hold on ball pivot set collar 16 1 (left sides), very heavy top is communicated with the conical bore of right-hand member.The axis of symmetry conllinear of the axis of symmetry of the spill sphere of ball pivot set collar 16 1 (left sides), very heavy top end and the conical bore of right-hand member.
Referring to Figure 16, leading screw 17 is bar class formation spare, is processed with external thread, and an end has been disposed radially the circular pegs shaft through-hole, being connected of the bearing pin hanger 22 on realizing leading screw 17 and be fixed on lifting jack gusset 23 by bearing pin.
Referring to Figure 17, supporting base 19 is plate structure spare, and supporting base 19 is comprised of with the reinforcement gusset support plate, annulus boss.
Support plate is rectangular slab class formation spare, and a side of support plate arranges a leading screw through hole, and the left side of leading screw through hole is evenly equipped with four bolt holes.The annulus boss is positioned at a side of support plate for being fixedly connected with (or directly being arranged to one), make the axis of rotation conllinear of the axis of rotation of annulus boss through hole and the leading screw through hole on the support plate, strengthen gusset between a side and support plate of annulus boss, make the plane of symmetry of strengthening gusset and support plate coplanar.Annulus boss upper surface contact cooperations with adjusting handwheel 18, the power of the vertical direction that is subject to for adjustment handwheel 18.
Referring to Figure 18, bearing pin hanger 22 is the cuboid structural member, be processed with two sunk screw holes on the direction of bearing pin hanger 22, the axis of rotation in two sunk screw holes is parallel, in order to be fixedly connected with lifting jack gusset 23 by bolt, bearing pin through hole of processing on another direction of bearing pin hanger 22.The axis of rotation of bearing pin through hole is between the axis of rotation in two sunk screw holes, and the axis of rotation of bearing pin through hole is that spatial vertical is intersected with the axis of rotation in two sunk screw holes.
Referring to Figure 19, lifting jack gusset 23 is plate-type structural piece, its upper end is processed with the hanger tapped through hole of the identical bearing pin hanger 22 of two structures of four fixed installations, the below of the hanger tapped through hole of four fixed installation bearing pin hangers 22 arranges the assembly tapped through hole of four fixed installation longitudinal tie assemblies 4, the center of four assembly tapped through holes arranges a lifting jack through hole, and the both sides of four assembly tapped through holes are provided with the guide rail bar through hole (each side is 3) that No. 1 T-shaped guide rail bar 20 and No. 2 T-shaped guide rail bars 21 are installed.
Be fixedly connected with bearing pin hanger 22 and the hollow lifting jack 14 of double acting respectively by bolt.The circular hole that the pull bar 7 of longitudinal tie assembly 4 can pass the plate center easily is connected with tie rod ball 24, and bolt passes 6 guide rail bar through holes and is connected with No. 2 T-shaped guide rail bars 21 with No. 1 T-shaped guide rail bar 20.
Referring to Figure 20, described tie rod ball 24 is comprised of hexagonal prism, right cylinder and spheroid.
Hexagonal prism, right cylinder and spheroid are fixedly connected sequentially and are integral, and the axis of symmetry conllinear of hexagonal prism, right cylinder and spheroid is provided with the tapped through hole that is equipped with pull bar 7 from left to right on the axis of symmetry of tie rod ball 24.
The principle of work of vertical positioning device for rail vehicle body:
No. 1 car body longitudinal register seat assembly 1 in the vertical positioning device for rail vehicle body and No. 2 car body longitudinal register seat assemblies 3 are arranged on the ground rail in the testing table basis at tested vehicle body of railway vehicle 2 two ends, length according to car body, when the positional distance between No. 1 car body longitudinal register of required adjustment seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 was larger, the position by reaction support 6 in No. 1 car body longitudinal register of direct adjustment seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 was to realize being connected of vertical positioning device for rail vehicle body and tested vehicle body of railway vehicle 2.Positional distance between No. 1 car body longitudinal register of required adjustment seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 hour, by adjusting being connected of length realization vertical positioning device for rail vehicle body that pull bar 7 and the length that is threaded that is connected 9 of pillars namely adjusts longitudinal tie assembly 4 and tested vehicle body of railway vehicle 2.
During test, by hydraulic power unit simultaneously No. 1 car body longitudinal register seat assembly 1 in the drive track carbody longitudinal positioning device move with hollow lifting jack 14 piston rods of double acting in No. 2 car body longitudinal register seat assemblies 3, promote longitudinal tie assembly 4 in No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 to strain tested vehicle body of railway vehicle 2, and by pulling force sensor 10 Real-Time Monitoring pulling force size, guarantee that longitudinal tie assembly 4 produces certain prefastening force, actuator acts on the power on the bogie when hanging vertical integral stiffness and test to overcome bogie secondary suspension longitudinal rigidity and bogie.
Because the hitch installation site of different tested vehicle body of railway vehicle 2 is different, the hitch mount pad on the tested vehicle body of railway vehicle 2 also is not quite similar with respect to the spacing of raceway surface.Move axially by the adjustment handwheel 18 drive leading screws 17 that rotate in the actuator position regulator 5, realize the position adjustment of longitudinal tie assembly 4 on reaction support 6 vertical direction.

Claims (8)

1. vertical positioning device for rail vehicle body, described vertical positioning device for rail vehicle body comprises No. 1 car body longitudinal register seat assembly (1) and No. 2 car body longitudinal register seat assemblies (3), described No. 1 car body longitudinal register seat assembly (1) is identical with No. 2 car body longitudinal register seat assemblies (3) structure, all is comprised of with reaction support (6) longitudinal tie assembly (4), actuator position regulator (5);
The double acting hollow lifting jack (14) of longitudinal tie assembly (4) left end by wherein is connected with lifting jack gusset (23) bolt in the actuator position regulator (5), the supporting base (19) of actuator position regulator (5) by wherein links with the top end face bolt of reaction support (6), and actuator position regulator (5) again two T-slots of the vertical direction by being fixed on No. 1 T-shaped guide rail bar (20) on the lifting jack gusset (23) and No. 2 T-shaped guide rail bars (21) and reaction support (6) is slidingly connected;
No. 1 car body longitudinal register seat assembly (1) and No. 2 car body longitudinal register seat assemblies (3) all reaction support (6) by separately are fixedly mounted on the basis of testing table, car body contiguous block (13) in the longitudinal tie assembly (4) in No. 1 car body longitudinal register seat assembly (1) and No. 2 car body longitudinal register seat assemblies (3) points to tested vehicle body of railway vehicle (2), the axis of symmetry of the longitudinal tie assembly (4) in No. 1 car body longitudinal register seat assembly (1) and No. 2 car body longitudinal register seat assemblies (3) is co-located on the same level line, No. 1 car body longitudinal register seat assembly (1) and No. 2 car body longitudinal register seat assemblies (3) namely are provided with the longitudinal length that distance between the vertical plane of T-slot is not less than tested vehicle body of railway vehicle (2) in two reaction supports (6), it is characterized in that described longitudinal tie assembly (4) comprises pull bar (7), connect pillar (9), pulling force sensor (10), bulb connecting link (11), bulb set collar (12), car body contiguous block (13), the hollow lifting jack of double acting (14), lock ring (15), very heavy top ball pivot set collar (16) and tie rod ball (24);
Pull bar (7) right-hand member is threaded with tie rod ball (24), convex surface on the tie rod ball (24) is connected with the concave curved surface contact of very heavy top ball pivot set collar (16) on being sleeved on pull bar (7), the left side of very heavy top ball pivot set collar (16) is connected with the right side contact of piston rod of the hollow lifting jack of double acting (14) on being sleeved on pull bar (7), it is upper for being threaded that lock ring (15) is sleeved on very heavy top ball pivot set collar (16), the left side of lock ring (15) is connected with the right side contact of the hollow lifting jack of double acting (14) outer tube wall simultaneously, the left end of pull bar (7) is threaded with the right-hand member that is connected pillar (9), the right side that connects pillar (9) contacts with the left side of set nut (8) on being sleeved on pull bar (7) and is connected, the right-hand member of pulling force sensor (10) is threaded with the left end that is connected pillar (9), the left end of pulling force sensor (10) is threaded with the right-hand member of bulb connecting link (11), bulb set collar (12) is connected with car body contiguous block (13) bolt, the protruding sphere of bulb connecting link (11) left end is connected 12 with the bulb set collar) on concave spherical surface contact connect car body contiguous block (13), bulb set collar (12), bulb connecting link (11), pulling force sensor (10), connect pillar (9), pull bar (7), the hollow lifting jack of double acting (14), lock ring (15), the central axis conllinear of very heavy top ball pivot set collar (16) and tie rod ball (24).
2. according to vertical positioning device for rail vehicle body claimed in claim 1, it is characterized in that described actuator position regulator (5) comprises leading screw (17), adjusts handwheel (18), supporting base (19), No. 1 T-shaped guide rail bar (20), No. 2 T-shaped guide rail bars (21), bearing pin hanger (22) and lifting jack gusset (23);
Supporting base (19) and adjustment handwheel (18) are sleeved on the upper end of leading screw (17) successively, be clearance fit between through hole on the supporting base (19) and the leading screw (17), adjust between handwheel (18) and the leading screw (17) as being threaded, adjust between handwheel 18 and the supporting base (19) and be connected for contacting, adjust handwheel (18), the central axis conllinear of the circular hole on the supporting base (19) and leading screw (17), No. 1 T-shaped guide rail bar (20) vertically is fixedly mounted on the left side of lifting jack gusset (23) with No. 2 T-shaped guide rail bars (21) symmetrically, the lower end of leading screw (17) is connected by the bearing pin hanger (22) of bearing pin with upper end, lifting jack gusset (23) right side, for slight interference is connected, the lower end of bearing pin and leading screw (17) is for being rotationally connected movingly between bearing pin and the bearing pin hanger (22).
3. according to vertical positioning device for rail vehicle body claimed in claim 2, it is characterized in that, described reaction support (6) is the low wide and up narrow box structure that adopts Plate Welding to form, the left side of reaction support (6) is that mounting base is vertical with top end face and bottom face respectively, the upper end of reaction support (6) left side arranges strip through hole from top to bottom, be provided with symmetrically T-shaped groove from top to bottom on the left side of reaction support (6), be evenly equipped be used to the through hole that T-shaped bolt is installed on the mounting base of reaction support (6), reaction support (6) top end face is evenly equipped with the threaded hole of installation bearing seat (19), is provided with symmetrically the reinforcement gusset between the bottom of reaction support (6) left side and the mounting base.
4. according to vertical positioning device for rail vehicle body claimed in claim 1, it is characterized in that, described bulb connecting link (11) left end is the bulb end that is provided with spherical, the cylindrical right-hand member that is fixedly connected with the bulb end is arranged to hexagonal prism, axially be provided with internal thread, the axis of rotation conllinear of bulb end, right cylinder and hexagonal prism in the center of hexagonal prism right side along hexagonal prism.
5. according to vertical positioning device for rail vehicle body claimed in claim 1, it is characterized in that, described bulb set collar (12) is cirque structure spare, the periphery of bulb set collar (12) is evenly equipped with the through hole of erection bolt, bulb set collar (12) left end be processed with bulb connecting link (11) on the concave spherical surface that cooperates of protruding sphere-contact, the concave spherical surface of bulb set collar (12) left end and the conical bore of right-hand member are communicated with, the axis of rotation conllinear of concave spherical surface and conical bore.
6. according to vertical positioning device for rail vehicle body claimed in claim 1, it is characterized in that, described car body contiguous block (13) is rectangular slab class formation spare, be processed with bolt hole on four jiaos of car body contiguous block (13), the centre position is provided with the annulus boss, be evenly equipped with vertically tapped blind hole on the annulus boss, be provided with circular blind hole along annulus boss inner cylinder face.
7. according to vertical positioning device for rail vehicle body claimed in claim 1, it is characterized in that, described very heavy top ball pivot set collar (16) is cirque structure spare, be provided with screw thread on the external cylindrical surface of very heavy top ball pivot set collar (16), the left end of very heavy top ball pivot set collar (16) is processed with the spill sphere that cooperates with protruding sphere-contact on the tie rod ball (24), the spill sphere of very heavy top ball pivot set collar (16) left end is communicated with the conical bore of right-hand member, the axis of symmetry conllinear of the axis of symmetry of the spill sphere of very heavy top ball pivot set collar (16) left end and the conical bore of right-hand member.
8. according to vertical positioning device for rail vehicle body claimed in claim 1, it is characterized in that described tie rod ball (24) is comprised of hexagonal prism, right cylinder and spheroid;
Hexagonal prism, right cylinder and spheroid are fixedly connected sequentially and are integral, and the axis of symmetry conllinear of hexagonal prism, right cylinder and spheroid is provided with on the axis of symmetry of tie rod ball (24) and tapped through hole that pull bar (7) is equipped from left to right.
CN 201110303421 2011-10-10 2011-10-10 Vertical positioning device of rail vehicle body CN102384853B (en)

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CN201247155Y (en) * 2008-08-29 2009-05-27 齐齐哈尔轨道交通装备有限责任公司 Test bench for steering frame characteristic parameter
CN101813565A (en) * 2010-02-08 2010-08-25 吉林大学 Framework positioning device for comprehensive parameter detection table of rail vehicle bogie
CN102004041A (en) * 2010-11-08 2011-04-06 吉林大学 Semi-vehicle mass simulation state based bogie hanging natural vibration characteristic test bed
EP2372334A1 (en) * 2009-11-10 2011-10-05 Qingdao Sifang Rolling Stock Research Institute Co., Ltd. Vehicle-body integrated test bench
CN202330035U (en) * 2011-10-10 2012-07-11 吉林大学 Vertical positioning device for rail vehicle body

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020068A1 (en) * 2005-04-22 2006-10-26 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Testing stand, for motor vehicle components, tests deformation ratio in vehicle's bodywork parts by applying external forces to parts to simulate the effects of crash impact
CN201247155Y (en) * 2008-08-29 2009-05-27 齐齐哈尔轨道交通装备有限责任公司 Test bench for steering frame characteristic parameter
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CN101813565A (en) * 2010-02-08 2010-08-25 吉林大学 Framework positioning device for comprehensive parameter detection table of rail vehicle bogie
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CN202330035U (en) * 2011-10-10 2012-07-11 吉林大学 Vertical positioning device for rail vehicle body

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