CN102384853A - Vertical positioning device of rail vehicle body - Google Patents
Vertical positioning device of rail vehicle body Download PDFInfo
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- CN102384853A CN102384853A CN2011103034218A CN201110303421A CN102384853A CN 102384853 A CN102384853 A CN 102384853A CN 2011103034218 A CN2011103034218 A CN 2011103034218A CN 201110303421 A CN201110303421 A CN 201110303421A CN 102384853 A CN102384853 A CN 102384853A
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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
Technical field
The present invention relates to a kind of test frock, more particularly, the present invention relates to a kind of vehicle body of railway vehicle longitudinal positioning device that is adopted when being used for the test of the vertical suspension parameter of rail vehicle.
Background technology
The fast development of bullet train technology has proposed stricter requirement for the research and the Products Development of the dynamic performance of rail vehicle.The structures shape function; The parameter determining performance; Structure and parameter has status of equal importance in the design of any physical construction; Rail vehicle also is so, and the security of its dynamic performance (that is: dynamics three elements)---stability, traveling comfort and the operation of 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 confirmed bogie, also will on testing table, carry out the actual characterisitic parameter of bogie to the bogie of being produced simultaneously and test and optimize the bogie suspension parameter.China also payes attention to the experimental study to the rail vehicle characterisitic parameter gradually; And a series of national standard and methods have been formulated and have put into effect about the rail vehicle performance test; 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, confirms and optimize the bogie suspension parameter and improve the vehicle operating performance to have crucial meaning with this.
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 vehicle body of railway vehicle longitudinal positioning device is provided.
For solving the problems of the technologies described above; The present invention adopts following technical scheme to realize: described vehicle body of railway vehicle longitudinal positioning device 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 made up of longitudinal tie assembly, actuator position regulator and reaction support.
The double acting hollow lifting jack of longitudinal tie assembly left end through wherein is connected with lifting jack gusset bolt in the actuator position regulator; The supporting base of actuator position regulator through wherein links with the top end face bolt of reaction support, and actuator position regulator two T-slots of the vertical direction through being fixed on No. 1 T type guide rail strip and No. 2 T type guide rail strip and reaction support on the lifting jack gusset again is slidingly connected.
No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies all reaction support through 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 horizontal line, and No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies promptly 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 to 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 on the protruding sphere of bulb connecting link left end and the bulb set collar is connected.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, adjustment handwheel, supporting base, No. 1 T type guide rail strip, No. 2 T type guide rail strip, bearing pin hanger and lifting jack gussets.Supporting base and adjustment handwheel are sleeved on the upper end of leading screw successively; It between through hole on the supporting base and the leading screw clearance fit; For being threaded, for contact is connected, adjust circular hole and the central axis conllinear of leading screw on handwheel, the supporting base between adjustment handwheel and the supporting base between adjustment handwheel and the leading screw.No. 1 T type guide rail strip and No. 2 T type guide rail strip vertically are fixedly mounted on the left side of lifting jack gusset symmetrically.The lower end of leading screw is connected through 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 be 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 steel plate to be welded.It is vertical that the left side of reaction support and top end face and bottom face are promptly installed base plate; The upper end of reaction support left side is provided with strip through hole from left to right; Be provided with T type groove from top to bottom on the left side of reaction support symmetrically; Be evenly equipped with the through hole that is used to install T type bolt on the installation base plate of reaction support, the reaction support top end face is evenly equipped with the threaded hole of installation bearing seat, is provided with the reinforcement gusset symmetrically between the bottom of reaction support left side and the installation base plate; 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 a 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 of protruding sphere contact matching; 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 a 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 tapped blind hole on the annulus boss vertically, is provided with circular blind hole along annulus boss inner cylinder face; Described very heavy top ball pivot set collar is a cirque structure spare; The external cylindrical surface of very heavy top ball pivot set collar is provided with screw thread; The left end of very heavy top ball pivot set collar be processed with tie rod ball on the spill sphere of protruding sphere contact matching; 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 made up 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. vehicle body of railway vehicle longitudinal positioning device of the present invention is made up 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 through hydraulic power unit, drive the longitudinal tie assembly and strain car body to be tested, produce bigger prefastening force at the car body two ends, realize the convenient and reliable longitudinal register of car body.The vehicle body of railway vehicle longitudinal positioning device is simple in structure, highly versatile.
2. vehicle body of railway vehicle longitudinal positioning device 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 vehicle body of railway vehicle longitudinal positioning device and vehicle body of railway vehicle, and connectivity scenario is simple and reliable.
3. vehicle body of railway vehicle longitudinal positioning device 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 that the car body level is drawn, 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. vehicle body of railway vehicle longitudinal positioning device 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 of the reliable tension of the vehicle body of railway vehicle longitudinal positioning device at car body two ends to 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
Below in conjunction with accompanying drawing the present invention is further described:
Fig. 1 is the structure composition of vehicle body of railway vehicle longitudinal positioning device 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 vehicle body of railway vehicle longitudinal positioning device of the present invention;
Fig. 3 is the axonometric projection graph of the longitudinal tie assembly that adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Fig. 4 is the full sectional view on the longitudinal tie assembly front view that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
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 adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Fig. 7 is the axonometric projection graph of the reaction support that adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Fig. 8 is the axonometric projection graph of the pull bar in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Fig. 9 is the axonometric projection graph that is connected pillar in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 10 is the axonometric projection graph of the bulb connecting link in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 11 is the axonometric projection graph of the bulb set collar in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 12 is the axonometric projection graph of the car body contiguous block in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 13 is the axonometric projection graph of the hollow lifting jack of double acting in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 14 is the axonometric projection graph of the lock ring in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 15 is the axonometric projection graph of the very heavy top ball pivot set collar in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 16 is the axonometric projection graph of the leading screw of the actuator position regulator that adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 17 is the axonometric projection graph of the supporting base of the actuator position regulator that adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 18 is the axonometric projection graph of the bearing pin hanger of the actuator position regulator that adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 19 is the axonometric projection graph of the lifting jack gusset of the actuator position regulator that adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
Figure 20 is the axonometric projection graph of the tie rod ball in the longitudinal tie assembly that is adopted in No. 1 car body longitudinal register seat assembly and No. 2 car body longitudinal register seat assemblies of vehicle body of railway vehicle longitudinal positioning device of the present invention;
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. the bulb connecting link, 12. bulb set collars, 13. car body contiguous blocks, the hollow lifting jack of 14. double actings, 15. lock rings; 16. very heavy top ball pivot set collar, 17. leading screws, 18. adjustment handwheels, 19. supporting bases, No. 20.1 T type guide rail strip; 21.2 number T type guide rail strip, 22. bearing pin hangers, 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, vehicle body of railway vehicle longitudinal positioning device 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 are formed.
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 made up of with reaction support 6 longitudinal tie assembly 4, actuator position regulator 5.Longitudinal tie assembly 4 one (left side) the end hollow lifting jack 14 of double acting through wherein is connected with lifting jack gusset 23 bolt in the actuator position regulator 5; Actuator position regulator 5 supporting base 19 through wherein links with the top end face bolt of reaction support 6, and actuator position regulator 5 two T-slots of the vertical direction through being fixed on No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 and reaction support 6 on the lifting jack gusset 23 again 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 through 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 vehicle body of railway vehicle 2 to be tested; 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 horizontal line, and the distance between No. 1 car body longitudinal register seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 (promptly being provided with the vertical plane of T-slot in two reaction supports 6) is not less than the longitudinal length of vehicle body of railway vehicle to be tested 2.Be fixedly connected with the two ends of vehicle body of railway vehicle 2 to be tested 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 by pull bar 7, set nut 8, connect the hollow lifting jack of pillar 9, pulling force sensor 10, bulb connecting link 11, bulb set collar 12, car body contiguous block 13, double acting 14, lock ring 15, very heavy top ball pivot set collar 16 and tie rod ball 24 and form.
Pull bar 7 one (right side) end is connected with tie rod ball 24 through screw thread; Convex surface on the tie rod ball 24 is connected with the concave curved surface contact matching of very heavy top ball pivot set collar 16 on being sleeved on pull bar 7, 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 to 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 connected through bolt with car body contiguous block 13 on being fixed on vehicle body of railway vehicle to be tested 2, and the protruding sphere of the bulb end of bulb connecting link 11 left ends is connected with the concave spherical surface contact matching of bulb set collar 12.Car body contiguous block 13, bulb set collar 12, bulb connecting link 11, pulling force sensor 10, connect the axis of rotation conllinear of the hollow lifting jack of pillar 9, pull bar 7, double acting 14, 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 through 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 vehicle body of railway vehicle 2 to be tested and are fixedly connected.
The axis of rotation conllinear of two cover longitudinal tie assemblies 4 in No. 1 car body longitudinal register seat assembly 1 in the vehicle body of railway vehicle longitudinal positioning device of the present invention and No. 2 car body longitudinal register seat assemblies 3.Strain vehicle body of railway vehicle to be tested 2 simultaneously through 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 influence the accuracy of vehicle body of railway vehicle to be tested 2 other suspension parameter tests.
Consult Fig. 6, actuator position regulator 5 is made up of with lifting jack gusset 23 leading screw 17, adjustment handwheel 18,20, No. 2 T type guide rail strip 21 of 19, No. 1 T type guide rail strip of supporting base, bearing pin hanger 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; Between adjustment handwheel 18 and the leading screw 17 for being threaded; Adjustment handwheel 18 bottom surfaces are rotatably assorted for contacting with the upper surface of the through hole cylinder boss of supporting base 19, under action of gravity, rotate adjustment handwheel 18, and adjustment handwheel 18 rotates on the upper surface of supporting base 19 cylinder boss and can not separate.Circular hole central axis and leading screw 17 central axis conllinear on adjustment handwheel 18, the supporting base 19.Supporting base 19 is installed on the top end face of reaction support 6 through bolt.No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 vertically are installed on the left side of lifting jack gusset 23 symmetrically and are connected through bolt; Leading screw 17 lower ends with holes connect through 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 be rotationally connected movingly between bearing pin and the bearing pin hanger 22.No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 are installed in the T type groove on the reaction support 6; With the T type groove on the reaction support 6 be clearance fit; Longitudinal tie assembly 4 is reached screw behind the needed position and connect the bolt of lifting jack gusset 23 and No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 through rotating adjustment handwheel 18, realized being fixedly connected of lifting jack gusset 23 and reaction support 6.
Consult Fig. 7; Reaction support 6 is the low wide and up narrow box structures that adopt steel plate welding or casting to form; It is vertical that left side and top end face and bottom face are promptly installed base plate; 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 so that pass longitudinal tie assembly 4; Be provided with T type groove from top to bottom on the left side of reaction support 6 symmetrically; So that the lifting jack gusset 23 that is fixed with No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 in the actuator position regulator 5 is installed; Longitudinal tie assembly 4 is fixedly installed on the lifting jack gusset 23, realizes the position adjustment of longitudinal tie assembly 4.Be evenly equipped with through hole on the installation base plate of reaction support 6 bottoms, realize that through T type 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 the reinforcement gusset symmetrically between the bottom of reaction support 6 left sides and the installation base plate.
Referring to Fig. 8, pull bar 7 is a 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 on circular hole simultaneously, so that pull bar 7 is applied the fixing of torsion and pull bar 7.
Referring to Fig. 3, set nut 8 shapes are similar with common hexagonal nut, and locking is locking when being used for pull bar 7 and being connected pillar 9 connections; Pulling force sensor 10 is a wide range column pulling force sensor, and two ends are threaded, conveniently with the fixed connection that is connected pillar 9 and bulb connecting link 11.Show magnitude of load during work in real time, guarantee that the vehicle body of railway vehicle longitudinal positioning device produces certain prefastening force.
Referring to Fig. 6; No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 structures are identical, and xsect is the bar class formation spare of T font, and is evenly equipped with threaded hole; No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 are installed on the lifting jack gusset 23 through bolt symmetrically; No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 are packed in the T type groove on the reaction support 6, are slidingly matched with T type groove gap, realize being slidingly connected of lifting jack gusset 23 and reaction support 6.Adjustment handwheel 18 is an annual disk class formation spare; Central hole is processed with internal thread; The center pit of adjustment handwheel 18 is connected with leading screw 17 coaxial threaded, rotates adjustment handwheel 18 drive leading screws 17 and moves axially, and realizes longitudinal tie assembly 4 position adjustment in vertical direction.
Referring to Fig. 9, connecting pillar 9 is hollow tubular structure spare, and two ends are shaped on internal thread, thus can be easily to the adjustment of longitudinal tie assembly 4 length.Connect pillar 9 two ends simultaneously and be processed as the hexagonal prism face, be convenient to adjustment 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 and bulb set collar 12 contact matching, 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 a cirque structure spare, and the periphery of bulb set collar 12 is evenly equipped with the through hole of erection bolt, so that be fixedly connected with car body contiguous block 13 through bolt; Bulb set collar 12 1 (left side) end is processed with concave spherical surface, so that the protruding sphere contact matching of bulb connecting link 11.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 that is used 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, is evenly equipped with tapped blind hole on the annulus boss vertically, is provided with circular blind hole along annulus boss inner cylinder face.Adopt bolt to realize being fixedly connected of car body contiguous block 13 and bulb set collar 12, adopt being fixedly connected of bolt realization car body contiguous block 13 and vehicle body of railway vehicle 2 to be tested.
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; The bottom is welded with ring flange; So that the hollow lifting jack 14 of double acting is fixedly connected on the lifting jack gusset 23 in the actuator position regulator 5, the 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 vehicle body of railway vehicle to be tested 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 treating that the vehicle body of railway vehicle longitudinal positioning device produces certain prefastening force, the right side of outer tube wall contacts 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 a 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; Protruding sphere contact matching on this spill sphere and 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 a 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 through bearing pin.
Referring to Figure 17, supporting base 19 is a plate structure spare, and supporting base 19 is made up of with the reinforcement gusset support plate, annulus boss.
Support plate is a rectangular slab class formation spare, and a side of support plate is provided with 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 (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 coplane of strengthening gusset and support plate.Annulus boss upper surface and adjustment handwheel 18 contact matching are used to adjust the power of the vertical direction that handwheel 18 receives.
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, so that be fixedly connected with lifting jack gusset 23 through bolt, and 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 a platy structure spare; 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 is provided with the assembly tapped through hole of four fixed installation longitudinal tie assemblies 4; The center of four assembly tapped through holes is provided with a lifting jack through hole, and the both sides of four assembly tapped through holes are provided with the guide rail strip through hole (each side is 3) that No. 1 T type guide rail strip 20 and No. 2 T type guide rail strip 21 are installed.
Be fixedly connected with bearing pin hanger 22 and the hollow lifting jack 14 of double acting respectively through 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 strip through holes and is connected with No. 2 T type guide rail strip 21 with No. 1 T type guide rail strip 20.
Referring to Figure 20, described tie rod ball 24 is made up 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 vehicle body of railway vehicle longitudinal positioning device:
No. 1 car body longitudinal register seat assembly 1 in the vehicle body of railway vehicle longitudinal positioning device and No. 2 car body longitudinal register seat assemblies 3 are arranged on the ground rail in the testing table basis at vehicle body of railway vehicle to be tested 2 two ends; Length according to car body; When the distance of the position between No. 1 car body longitudinal register of required adjustment seat assembly 1 and No. 2 car body longitudinal register seat assemblies 3 was big, the position through 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 connected with realization vehicle body of railway vehicle longitudinal positioning device and vehicle body of railway vehicle 2 to be tested.Position 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, the length realization vehicle body of railway vehicle longitudinal positioning device of promptly adjusting longitudinal tie assembly 4 through adjustment pull bar 7 and the length that is threaded that is connected 9 of pillars is connected with vehicle body of railway vehicle 2 to be tested.
During test; Through 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 vehicle body of railway vehicle to be tested 2; And through pulling force sensor 10 real-time monitoring pulling force sizes; 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 vehicle body of railway vehicle to be tested 2 is different, the hitch mount pad on the vehicle body of railway vehicle 2 to be tested also is not quite similar with respect to the spacing of raceway surface.Adjustment handwheel 18 drive leading screws 17 through rotating in the actuator position regulator 5 move axially, and realize the position adjustment of longitudinal tie assembly 4 on reaction support 6 vertical direction.
Claims (9)
1. vehicle body of railway vehicle longitudinal positioning device; It is characterized in that; Described vehicle body of railway vehicle longitudinal positioning device 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 made up 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 through wherein is connected with lifting jack gusset (23) bolt in the actuator position regulator (5); The supporting base (19) of actuator position regulator (5) through wherein links with the top end face bolt of reaction support (6), and actuator position regulator (5) two T-slots of the vertical direction through being fixed on No. 1 T type nut strip (20) and No. 2 T type nut strips (21) and reaction support (6) on the lifting jack gusset (23) again 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) through 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 horizontal line, and No. 1 car body longitudinal register seat assembly (1) and No. 2 car body longitudinal register seat assemblies (3) promptly 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).
2. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 1; It is characterized in that described longitudinal tie assembly (4) comprises pull bar (7), connects 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); Lock ring (15) is sleeved on very heavy top ball pivot set collar (16) and goes up to being threaded; 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, and the concave spherical surface contact on the protruding sphere of bulb connecting link (11) left end and the bulb set collar (12) is connected, car body contiguous block (13), bulb set collar (12), bulb connecting link (11), pulling force sensor (10), connects the axis of symmetry conllinear of pillar (9), pull bar (7), the hollow lifting jack of double acting (14), lock ring (15), very heavy top ball pivot set collar (16) and tie rod ball (24).
3. according to claim 1 or 2 described vehicle body of railway vehicle longitudinal positioning device; It is characterized in that described actuator position regulator (5) comprises leading screw (17), adjustment handwheel (18), supporting base (19), No. 1 T type guide rail strip (20), No. 2 T type guide rail strip (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; Between through hole on the supporting base (19) and the leading screw (17) is clearance fit; The adjustment handwheel (18) with leading screw (17) between for being threaded; Be connected for contacting between adjustment handwheel 18 and the supporting base (19); The circular hole on adjustment handwheel (18), the supporting base (19) and the central axis conllinear of leading screw (17), No. 1 T type guide rail strip (20) vertically is fixedly mounted on the left side of lifting jack gusset (23) with No. 2 T type guide rail strip (21) symmetrically, and the lower end of leading screw (17) is connected through 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 be rotationally connected movingly between bearing pin and the bearing pin hanger (22).
4. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 3; It is characterized in that; Described reaction support (6) is the low wide and up narrow box structure that adopts steel plate to be welded; It is vertical that the left side of reaction support (6) and top end face and bottom face are promptly installed base plate; The upper end of reaction support (6) left side is provided with strip through hole from left to right, is provided with T type groove from top to bottom on the left side of reaction support (6) symmetrically, is evenly equipped with the through hole that is used to install T type bolt on the installation base plate 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 the reinforcement gusset symmetrically between the bottom of reaction support (6) left side and the installation base plate.
5. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 2; 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 is 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.
6. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 2; It is characterized in that; Described bulb set collar (12) is a cirque structure spare, and 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 of protruding sphere contact matching; 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.
7. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 2; It is characterized in that; Described car body contiguous block (13) is a rectangular slab class formation spare, is processed with bolt hole on four jiaos of car body contiguous block (13), and the centre position is provided with the annulus boss; Be evenly equipped with tapped blind hole on the annulus boss vertically, be provided with circular blind hole along annulus boss inner cylinder face.
8. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 2; It is characterized in that; Described very heavy top ball pivot set collar (16) is a cirque structure spare; The external cylindrical surface of very heavy top ball pivot set collar (16) is provided with screw thread; The left end of very heavy top ball pivot set collar (16) be processed with tie rod ball (24) on the spill sphere of protruding sphere contact matching, 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.
9. according to the described vehicle body of railway vehicle longitudinal positioning device of claim 2, it is characterized in that described tie rod ball (24) is made up 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.
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| CN 201110303421 CN102384853B (en) | 2011-10-10 | 2011-10-10 | Vertical positioning device of rail vehicle body |
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| CN 201110303421 CN102384853B (en) | 2011-10-10 | 2011-10-10 | Vertical positioning device of rail vehicle body |
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| CN106840716A (en) * | 2017-02-28 | 2017-06-13 | 中车青岛四方车辆研究所有限公司 | Pulling equipment |
| CN109959606A (en) * | 2019-04-29 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | The device of on-site test gunite concrete and country rock bonding strength test |
| CN112179764A (en) * | 2019-07-05 | 2021-01-05 | 中车长春轨道客车股份有限公司 | Loading device for coupler tension-compression integrated test |
| CN113092144A (en) * | 2021-05-08 | 2021-07-09 | 中车大连机车研究所有限公司 | Locomotive, motor car bogie test device |
| CN113267354A (en) * | 2021-05-08 | 2021-08-17 | 中车大连机车研究所有限公司 | Positioning system of bogie test bed |
| CN113484046A (en) * | 2021-07-07 | 2021-10-08 | 中车唐山机车车辆有限公司 | Calibration test bed for force measuring wheel set |
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| CN113484046A (en) * | 2021-07-07 | 2021-10-08 | 中车唐山机车车辆有限公司 | Calibration test bed for force measuring wheel set |
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| CN102384853B (en) | 2013-10-30 |
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