CN111458168A - Unlocking movement mechanism of rail-changing supporting axle box - Google Patents
Unlocking movement mechanism of rail-changing supporting axle box Download PDFInfo
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- CN111458168A CN111458168A CN202010374462.5A CN202010374462A CN111458168A CN 111458168 A CN111458168 A CN 111458168A CN 202010374462 A CN202010374462 A CN 202010374462A CN 111458168 A CN111458168 A CN 111458168A
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- 238000006243 chemical reaction Methods 0.000 claims description 4
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- 238000002347 injection Methods 0.000 claims description 3
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- 238000012360 testing method Methods 0.000 abstract description 6
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- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000013016 damping Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to an unlocking movement mechanism of a rail-changing supporting axle box, belonging to the field of rail changing and testing of vehicles. The device comprises an axle box limit bearing table plate which is installed on a peripheral Yi-Ma beam building framework by means of bolts, a table plate bearing transverse limit connecting assembly body which is placed on the upper surface of the outer side of the axle box limit bearing table plate, a table plate bearing roller group which is installed on the upper surface of the inner side of the axle box limit supporting table plate, and a cross connection type actuator assembly body which is installed between the table plate bearing transverse limit connecting assembly body and the table plate bearing roller group. The cross connection type actuator assembly body completes unlocking and locking movement under the action of the vertical locking and unlocking actuator connecting assembly body, and is simple and convenient in structure. The connection of the double-sided cross guide rail sliding seat body, the horizontal lateral force simulation actuator connector and the horizontal lateral force simulation actuator support meets the requirement of the actual lateral force and can ensure the synchronous operation of the two wheels.
Description
Technical Field
The invention relates to an unlocking movement mechanism, in particular to an unlocking movement mechanism of a rail-changing support axle box, relates to the technology of changing and unlocking a track gauge of a train, and belongs to the field of rail changing and testing of vehicles.
Background
With the development of economy and high-tech, the railway transportation is convenient and wide in application, and the research of the track gauge changing technology is urgent according to the difference of railway track gauges in different countries. At present, track gauge conversion is realized by a track gauge-variable bogie of a track gauge-variable train, but the required track gauge performance of the track gauge-variable train needs to be verified before the track gauge-variable train is actually put into practical production and application. Therefore, the track-transfer supporting axle box unlocking movement mechanism provided by the invention aims at a track-transfer performance testing device before the formal operation of a train is implemented, can simulate the automatic unlocking and locking processes of a wheel set, and verify the stability of track transfer, and can be used for further carrying out reliability test of the wheel set axle box and fatigue test research of a track transfer system by matching with other devices, thereby facilitating the analysis of the track transfer performance of the wheel set.
Disclosure of Invention
In order to overcome the problems of unstable wheel set rail transfer and automatic rail transfer in the conventional track gauge changing technology, the invention provides a rail transfer support axle box unlocking movement mechanism which can verify the rail transfer feasibility of a rail transfer train before the actual application of the rail transfer train, can simulate various stresses on a wheel set in the actual rail transfer movement process, and can also sequentially and automatically perform unlocking and locking circular movement to verify the rail transfer reliability.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. The following examples are presented merely to further understand and practice the present invention and are not to be construed as further limiting the claims of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, where terms are involved, such as: the directional or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the directional or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or part (element) referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other internally, and can be flexibly connected, rigidly connected or movably connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A derailment support axlebox unlocking motion comprising: axle box limit bearing table 1, install the horizontal limit connection assembly body 4 of table support on axle box limit bearing table 1, cross connection type actuator assembly body 2 and table support roller group 3, cross connection type actuator assembly body 2 includes: the device comprises a horizontal table plate connecting guide rail bar supporting assembly support 5 horizontally placed and installed on an axle box limiting support table plate 1, a double-faced cross-shaped guide rail bar sliding seat body 6 clamped on a small guide rail on the horizontal table plate connecting guide rail bar supporting assembly support 5, a horizontal transverse lateral force simulation actuator connector 7 connected through the connecting double-faced cross-shaped guide rail bar sliding seat body 6 and a vertical locking and unlocking actuator connecting assembly body 8, wherein the front and back surfaces of the double-faced cross-shaped guide rail bar sliding seat body 6 are respectively provided with a clamping groove, one of the clamping grooves is a transverse clamping groove, the other clamping groove is a vertical clamping groove, two sides of each clamping groove are provided with a sliding seat sealing end cover, the middle of each end cover is provided with a straight-through type pressure injection oil cup, the side surface of the double-faced cross-shaped guide rail bar sliding seat body 6 is provided with a hanging lug connecting locking ring 6-1, the vertical locking and unlocking actuator connecting assembly body 8 is connected with a vertical clamping groove on the double-sided cross guide rail sliding seat body 6 in a sliding fit manner through a short guide rail bar 14-1 on one side of the vertical locking and unlocking actuator connecting assembly body so as to move up and down; the cross-connection type actuator assembly body 2 is rotationally connected with a hanging lug connection lock ring 6-1 on the side surface of the double-sided cross guide rail slide seat body 6 through a pin shaft.
Further, the vertical locking and unlocking actuator connecting assembly 8 includes: erect locking unblock actuator connector 13, unblock locking motion guide rail strip connector 14 and unblock locking motion and connect slender pole assembly 15, the base of erectting locking unblock actuator connector 13 is connected on peripheral yima framework with the bolt, and the sensor is equipped with at the rod end of actuator connector 13, the sensor is connected with unblock locking motion guide rail strip connector 14 round pin axle rotation through erectting the fritter, an erect short guide rail strip 14-1 is installed through the bolt in unblock locking motion guide rail strip connector 14 upper end, short guide rail strip 14-1 is connected with the front vertical slot sliding fit of two-sided cross guide rail strip pedestal 6, slides from top to bottom.
Furthermore, the front surface of the upper end of the unlocking and locking motion guide rail strip connecting body 14 is provided with a concave unlocking and locking roller movable circular ring surface 14-2, the unlocking and locking motion connecting slender rod assembly 15 consists of an unlocking and locking motion connecting slender rod 15-1, a peripheral spring, a locking motion clamping block 15-2 which is installed through a spring gasket and a nut and sleeved at the upper end of the slender rod, and a small roller 15-3 which is installed at the bottom end of the unlocking and locking motion connecting slender rod 15-1 through a bolt, the unlocking and locking motion connecting slender rod 15-1 is a stepped rod, the locking motion clamping block 15-2 is connected with the unlocking and locking motion connecting slender rod 15-1 through a bolt, the small roller 15-3 is installed at the bottom of the slender rod through a bolt, the unlocking and locking motion connecting slender rod 15-1 penetrates through a round hole of an unlocking motion slender rod wheel pair clamping groove 16 at the outer cover shaft end, the small roller 15-3 is placed in the movable annular surface 14-2 of the unlocking and locking roller and moves according to the track of the arc surface; the locking motion clamping block 15-2 is cylindrical, and one side of the locking motion clamping block is provided with a protruding rectangular strip with a round angle.
Further, a locking and unlocking movement driving connection track changing block 20 and a locking movement block acting clamping groove body 21 are installed in the locking wheel pair shaft end outer cover connecting body, a driving connection track changing block face I20-1 and a driving connection track changing block face II 20-2 are arranged on the locking and unlocking movement driving connection track changing block 20, the distance between the driving connection track changing block face I20-1 and the driving connection track changing block face II 20-2 is 43.5mm, and the locking and unlocking movement driving connection track changing block 20 is matched with a locking movement clamping block 15-2, the locking and unlocking movement driving connection track changing block 20 is installed on an inner end cover of a wheel pair shaft box through two protruding cylinders on the back face, the locking movement block acting clamping groove body 21 is located at the upper end of the locking and unlocking movement driving connection track changing block 20, the locking movement block acting clamping groove body face 21-1 is similar to the track changing block to enable the locking movement clamping block 15-2 to be matched, and the movement clamping block working face 15-21 of 20-2 and the locking motion block act on the clamping groove body surface 21-1, the thin rod assembly body 15 moves up and down through unlocking and locking motion, the locking and unlocking motion drives the connecting track transfer block 20 to move left and right, and the track transfer motion is realized through the transformation between the locking motion block and the locking motion block.
Further, when the orbital transfer motion is required, the unlocking and locking motion connecting slender rod assembly body 15 moves upwards to enable the locking motion clamping block 15-2 to be separated from the driving connecting orbital transfer block surface II 20-2 and enter the locking motion block acting clamping groove body surface 21-1, the locking and unlocking motion driving connecting orbital transfer block 20 moves along with the orbital transfer motion, the locking motion block acting clamping groove body 21 is fixed, when the orbital transfer motion is completed, the locking and unlocking motion driving connection orbital transfer block 20 is changed into a surface I20-1 which is coaxial with the locking motion block acting clamping groove body surface 21-1 from a driving connection orbital transfer block surface II 20-2, the unlocking and locking motion connection slender rod assembly body 15 moves downwards, and the locking motion clamping block 15-2 is clamped in the driving connection orbital transfer block surface I20-1 and the locking motion block acting clamping groove body surface 21-1; the locking motion clamping block 15-2 is clamped in the locking motion block acting clamping groove body surface 21-1 and the locking motion block acting surface II 20-2, or is clamped in the locking motion block acting clamping groove body surface 21-1 and the locking motion block acting clamping groove body surface I20-1, and orbital transfer motion is achieved through conversion between the locking motion block acting clamping groove body surface 21-1 and the locking motion block acting clamping groove body surface I20-1.
Further, the horizontal lateral force simulation actuator connecting body 7 is transversely arranged and fixed on the peripheral vertical yma beam connecting framework, and comprises: the lateral force simulation device comprises a horizontal lateral force simulation actuator support 9, a horizontal lateral force simulation actuator support hinge seat 10, a lateral force simulation servo assembly body 11 and a horizontal lateral force simulation actuator connecting lug 12, wherein one end of the lateral force simulation servo assembly body 11 is hinged to the horizontal lateral force simulation actuator support 9 through the horizontal lateral force simulation actuator support hinge seat 10, the other end of the lateral force simulation servo assembly body 11 is movably connected with a lug connecting locking ring 6-1 of a double-faced cross-shaped guide rail sliding seat body lug connecting locking ring, and therefore the lateral force received in the actual movement process is simulated.
Further, table supporting roller group 3 comprises three cylindrical rollers in the square box is placed by the level, and is corresponding with the position of the wheel pair axle box inverted U-shaped splint 17 of the wheel pair axle box, ship type splint connection bearing part 22 is equipped with in the middle of the wheel pair axle box inverted U-shaped splint 17 of the wheel pair axle box, and round hole in the ship type splint connection bearing part 22 and the circular arc hole in the wheel pair axle box inverted U-shaped splint 17 are coaxial, and ship type splint connection bearing part 22 contacts with table supporting roller group 3, and the terminal surface is equipped with the sensor under the ship type splint connection bearing part 22, bears the load information of pressure signal detection axle box wheel pair through detecting.
Furthermore, the table plate supporting transverse limiting connection assembly body 4 is formed by a base seat and a servo actuation sensor assembly, and a cylinder servo actuation surface of the servo actuation sensor assembly is in contact with the wheel set axle box to limit the wheel set axle box transversely.
Furthermore, the wheel pair is arranged on two sides of the wheel pair in the application process, one mechanism of the wheel pair corresponds to one wheel, and the wheel pair are arranged in mirror symmetry, so that synchronous rail transfer of the wheel pair is guaranteed, and rail transfer capacity of the wheel pair is accurately checked.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a track-changing supporting axle box unlocking movement mechanism which comprises an axle box limiting supporting table plate, a table plate supporting transverse limiting connection assembly body, a table plate supporting roller group and a cross connection type actuator assembly body.
2. In practical application, the track transfer supporting axle box unlocking movement mechanism is required to be respectively arranged on two sides of a track transfer wheel pair, the track transfer wheel pair is used as a mirror image body for mirror image symmetry, the track transfer performance of the wheel pair can be more conveniently detected by mirror image arrangement on the two sides of the track transfer wheel pair, the synchronous track transfer capability of the wheel pair is verified, the track transfer performance detection is more accurate and stable compared with the detection of the track transfer performance of a single wheel, and the actual movement of the track transfer of the wheel pair is more approximate to that of the single wheel
3. The unlocking and locking movement connecting slender rod assembly moves along the unlocking and locking roller movable circular ring surface in the unlocking and locking movement guide rail strip connecting body in a small range, the locking movement clamping block moves up and down along the clamping groove of the double-sided cross guide rail strip sliding seat body, and the double-sided cross guide rail strip sliding seat body is connected with the horizontal transverse lateral force simulation actuator connecting body and the horizontal transverse lateral force simulation actuator support seat, so that the requirement of the actual lateral force is met, the synchronous operation of the two-wheel unlocking movement can be ensured, the peripheral spring plays a role in pulling back and locking, and the normal operation of a vehicle is ensured.
Drawings
FIG. 1 is an isometric view of a derailment support axlebox unlocking motion mechanism
FIG. 2 is an axonometric view of the axle box limit support table
FIG. 3 is an isometric view of an axle box limit support table from below
FIG. 4 is a perspective view of an actuator assembly of the cross-connection type
FIG. 5 is an isometric view of a horizontal table connecting guide rail bar support assembly support
FIG. 6 is a perspective view of a double-sided cross rail slide body axis
FIG. 7 is a rear view perspective view of a double-sided cross-shaped guide rail slide block body
FIG. 8 is a perspective view of a connecting body of a horizontal lateral force simulating actuator
FIG. 9 is a perspective view of the connection assembly of the erect locking and unlocking actuator
FIG. 10 is an isometric view of an unlocked and locked motion rail bar connector
FIG. 11 is a front view of an unlock-lock motion rail bar interface
FIG. 12 is an isometric view of an unlocking and locking kinematic connection pin assembly
FIG. 13 is an isometric view of a locking motion block
FIG. 14 is an isometric view of an unlock-lock kinematic connection pin
FIG. 15 is a rear view of the unlocking and locking kinematic coupling pin
FIG. 16 is an isometric view of the locking wheel pair axle end cover connection
FIG. 17 is a rear perspective view of a locking wheel pair axle end cover connector
FIG. 18 is a rear perspective view of a locking and unlocking movement drive connection transformer block
FIG. 19 is a card slot axonometric view of locking motion block action
FIG. 20 is an isometric view of a boat cleat attachment carrier
FIG. 21 is an isometric view of a table support roller assembly
FIG. 22 is a perspective view of a table support transverse limit connection assembly
In the figure: 1. an axle box limit supporting table plate, 2 cross-connection type actuator assembly bodies, 3 table plate supporting roller groups, 4 table plate supporting transverse limit connecting assembly bodies, 5 horizontal table plate connecting guide rail bar supporting assembly supports, 6 double-sided cross guide rail bar sliding seat bodies, 6-1 suspension lug connecting locking rings, 7 horizontal transverse lateral force simulation actuator connector bodies, 8 vertical locking and unlocking actuator connecting assembly bodies, 9 horizontal transverse lateral force simulation actuator support bodies, 10 horizontal transverse lateral force simulation actuator support hinge seats, 11 lateral force simulation servo assembly bodies, 12 horizontal transverse lateral force simulation actuator connecting suspension lugs, 13 vertical locking and unlocking actuator connector bodies, 14 unlocking locking motion guide rail bar connector bodies, 14-1 short guide rail bars, 14-2 unlocking roller movable surfaces, 15. the device comprises an unlocking and locking movement connecting slender rod assembly body, 15-1, an unlocking and locking movement connecting slender rod, 15-2, a locking movement clamping block, 15-21, a locking movement block working surface, 15-3 small rollers, 16, an unlocking movement slender rod wheel set axle box clamping groove, 17, an axle set axle box inverted U-shaped clamping plate, 18, an axle box connecting damping pin shaft bearing plate connecting surface, 19, an upper cross beam vertical actuator axle box acting surface, 20, a locking and unlocking movement driving connecting track changing block, 20-1, a locking and unlocking movement driving connecting track changing block surface I, 20-2, a locking and unlocking movement driving connecting track changing block surface II, 21, a locking movement block acting clamping groove body, 21-1, a locking movement block acting clamping groove body working surface and 22, and a ship-shaped clamping plate is connected with a bearing piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which enable those skilled in the art to practice the invention with reference to the description.
Referring to fig. 1, the variable-track supporting axle box unlocking movement mechanism comprises an axle box limiting supporting table plate 1 which is installed on a peripheral Yi-Ma beam building framework through bolts, a table plate supporting transverse limiting connection assembly body 4 which plays a supporting role and is placed on the upper surface of the installation outer side of the axle box limiting supporting table plate 1, a table plate supporting roller group 3 is installed on the upper surface of the installation inner side of the axle box limiting supporting table plate 1, and a cross connection type actuator assembly body 2 is installed between the table plate supporting transverse limiting connection assembly body 4 and the table plate supporting roller group 3 on the table plate 1.
Referring to fig. 2-3, the axle box limit support table plate 1 is similar to a hollow cuboid in shape, the bottom plate and the upper plate are relatively large and long, the bottom plate is provided with small holes, two sides of the long side of the bottom plate are respectively provided with 7 small round holes, the table plate and a peripheral Yi-Ma beam framework are conveniently connected through bolts, and the side structure reduces the weight and reduces the material consumption as much as possible on the basis of meeting the requirement of support strength.
Referring to fig. 4-19, the cross-connection type actuator assembly 2 of the present invention includes a horizontal table connecting guide rail bar supporting assembly support 5 horizontally disposed on the axle box limit supporting table 1, a double-sided cross guide rail bar sliding seat body 6 clamped on a small guide rail on the horizontal table connecting guide rail bar supporting assembly support 5, a horizontal lateral force simulation actuator connector 7 and a vertical locking and unlocking actuator connecting assembly 8 connected by connecting the double-sided cross guide rail bar sliding seat body 6.
Each side of a bottom plate of the horizontal table plate connecting guide rail bar supporting assembly support 5 is provided with 6 small holes, the horizontal table plate connecting guide rail bar supporting assembly support can be installed on the axle box limiting supporting table plate 1 through bolts, a cuboid plate is supported by the end portions, triangular small ribs are arranged between the circular holes in the two sides of the bottom plate and used for supporting rectangular blocks on the ribs, the length of each rectangular block is longer than that of the bottom plate, one side of each rectangular block is flush with the bottom plate, the length of the other side of each rectangular block extends outwards than that of the bottom plate so as to be convenient to connect, and the structure. Rectangular plate is than bottom plate length toward the little guide rail strip of one side mountable that extends outward, has three through-hole on the front and back of one side that the rectangular block extends promptly, and three through-hole position can correspond with the little guide rail strip through-hole position of installation, and easy to assemble is stable, prevents that the guide rail strip from rocking, the experimental implementation of being convenient for.
The front and the rear of the double-sided cross guide rail slide seat body 6 are respectively provided with a clamping groove for connecting guide rails, the two clamping grooves are distributed in a cross shape, two sides of each sliding seat clamping groove are provided with sliding seat sealing end covers, a straight-through type pressure injection oil cup is arranged in the middle of each end cover, the transverse guide rail clamping groove on the back of the slide seat body 6 can be clamped on a small guide rail on the horizontal table plate connecting guide rail strip supporting and assembling support 5, so that the slide seat body 6 can transversely slide along the guide rails, a hanging lug connecting locking ring 6-1 is arranged between the clamping grooves distributed in the cross shape in the front and the rear, the hanging lug connecting locking ring 6-1 is placed between the clamping grooves distributed in the cross shape in the front and the rear by a square plate to be stable, the front end of the square plate is formed by building two small plates in a certain distance in a scallop shape.
The horizontal lateral force simulation actuator connecting body 7 is transversely placed and fixed on a peripheral vertical Yima beam connecting framework and comprises a horizontal lateral force simulation actuator support 9, a horizontal lateral force simulation actuator support hinge seat 10, a lateral force simulation servo assembly body 11 and a horizontal lateral force simulation actuator connecting lug 12. The appearance of the horizontal lateral force simulation actuator support 9 is similar to that of a square body and serves as a mounting base, a horizontal lateral force simulation actuator support hinge seat 10 can be connected to the horizontal lateral force simulation actuator support 9 through a bolt, a lateral force simulation servo assembly 11 is placed between two round holes in the horizontal lateral force simulation actuator support hinge seat 10 through a round hole in an oval connecting lug ring on one side and is connected with the same axis, a horizontal lateral force simulation actuator connecting lug 12 is transversely installed at the top end of the other side of the lateral force simulation servo assembly 11, the top end of the lug comprises a through hole, the lug can be inserted into the lug connecting locking ring 6-1, the round holes of the lug are matched with the same axis and can be connected through bolts, and therefore the lateral force applied in the actual motion process is simulated.
The vertical locking and unlocking actuator connecting assembly body 8 is vertically placed on the axle box limit supporting table plate 1 and is close to one side of the short guide rail on the horizontal table plate connecting guide rail bar supporting assembly support 5, and comprises a vertical locking and unlocking actuator connector 13, an unlocking locking movement guide rail bar connector 14 and an unlocking locking movement connecting slender rod assembly body 15. Erect locking and unlocking actuator connector 13's base and use bolted connection on peripheral yima framework, the pole on the actuator connector 13 can reciprocate, its sensor top has one to erect the fritter, has two little round holes at a certain distance apart on the piece. The unlocking and locking motion guide rail connecting body 14 is a Z-axis symmetric piece, the upper end of the unlocking and locking motion guide rail connecting body is an elliptic plate, the middle of the unlocking and locking motion guide rail connecting body is a rectangular plate, the middle of the lower end of the unlocking and locking motion guide rail connecting body is cut off, two corresponding elliptic plates with certain distances are only reserved on two sides, the distance between the two plates can just accommodate the small vertical blocks on the top end of the sensor to be inserted into the small vertical blocks, two round holes are formed in each elliptic plate, the positions of the round holes are corresponding, the small vertical blocks on the upper end of the actuator connecting. Two round holes are formed in the back face of the upper end of the unlocking and locking motion guide rail bar connector 14, a vertical small guide rail bar 14-1 can be installed through bolts and can be clamped in a vertical clamping groove in the front face of the double-faced cross guide rail bar sliding seat body 6, so that the vertical small guide rail bar can slide up and down along the direction of the vertical clamping groove in the front face of the double-faced cross guide rail bar sliding seat body 6, and a concave unlocking and locking roller wheel movable circular ring face 14-2 is formed in the front face of the upper end of the guide rail. The unlocking and locking movement connecting slender rod assembly body 15 comprises an unlocking and locking movement connecting slender rod 15-1, a peripheral spring, a locking movement clamping block 15-2 which is installed through a spring gasket and a nut and sleeved on the slender rod, and a small roller 15-3 which is installed on the bottom end of the unlocking and locking movement connecting slender rod 15-1 through a bolt. The unlocking and locking connecting thin rod 15-1 is not uniform in diameter and length and has certain steps, so that the locking motion clamping block and the gasket nut are convenient to install, the diameter of the upper end of the locking motion clamping block is small, a key groove is formed in the upper end of the locking motion clamping block, and the locking motion clamping block is convenient to install and fix. The bottom of the thin rod is a similar circular plate, the back of the circular plate is provided with a transverse small hollow cylinder, the centers of the cylinder and the circular plate are provided with a common small through hole, and the small roller can be arranged on the cylinder by using a bolt and ensures that the wheel can rotate. The unlocking and locking connecting slender rod 15-1 can pass through a round hole of the unlocking and locking slender rod wheel pair axle box clamping groove 16, and an elastic spring at the periphery of the rod is supported between the unlocking and locking slender rod wheel pair axle box clamping groove 16 and a locking movement clamping block 15-2 arranged on a gasket to play a role in pulling back and locking. The small roller 15-3 is placed in the movable circular ring surface 14-2 of the unlocking and locking roller and can move according to the track of the circular arc surface.
The locking motion clamping block 15-2 is roughly cylindrical, a protruding rectangular strip with round corners is arranged on one side of the locking motion clamping block, a through hole is formed in the middle of the cylinder, a key groove is formed in the middle of the cylinder, the locking motion clamping block can penetrate through the small round diameter at the upper end of the unlocking and locking motion connecting thin rod 15-1 and is connected with the small round diameter through a key, and the locking motion clamping block can be stably installed by a peripheral spring, a gasket and a nut at the top end of the. The locking and unlocking movement driving and connecting the rail transformation block 20 and the locking movement block acting clamping groove body 21 are arranged in the shaft end outer cover connecting body of the locking wheel pair together, the locking and unlocking movement driving and connecting the track transfer block 20 is a square structure, two concave square structures are cut on the front surface, the distance between the two concave square structures is 43.5mm, the concave size and thickness can accommodate the locking motion clamping block 15-2 to move up and down, the back of the rail transfer block 20 is provided with two protruding cylinders which can be arranged on the inner end cover of the wheel pair axle box, the rail transfer block 20 comprises two concave working faces which are in driving connection with a rail transfer block face I20-1 and a driving connection rail transfer block face 2 II 20-2, the locking motion block acting clamping groove body 21 is arranged at the upper end of the locking and unlocking motion driving connection rail transfer block 20, the middle of one block is cut off with a certain square material, which is similar to the track changing block, so that the locking motion clamping block 15-2 can also move up and down in the concave contour. The working surface 15-21 of the locking motion clamping block 15-2 in the unlocking and locking motion connecting slender rod assembly 15 is clamped in the driving connecting orbital transfer block surface II 20-2 and the locking motion block action clamping groove body surface 21-1, when orbital transfer motion is required, the unlocking and locking motion connecting slender rod assembly 15 moves upwards to enable the locking motion clamping block 15-2 to be separated from the driving connecting orbital transfer block surface II 20-2 and the locking motion block action clamping groove body surface 21-1, the locking and unlocking motion driving connecting orbital transfer block 20 moves along with the orbital transfer motion, the locking motion block action clamping groove body 21 is fixed, when orbital transfer application is finished, the locking and unlocking motion driving connecting orbital transfer block 20 is coaxial with the locking motion block action clamping groove body surface 21-1 from the driving connecting orbital transfer block surface II 20-2 to the locking motion block action clamping groove body surface 21-1 to become a surface I20-1 coaxial with the locking motion block action clamping groove body surface 21-1, the unlocking and locking movement connecting slender rod assembly body 15 moves downwards, so that the locking movement clamping block 15-2 is clamped in the driving connecting orbital transfer block surface I20-1 and the locking movement block acting clamping groove body surface 21-1. The locking motion clamping block 15-2 is clamped in the locking motion block acting clamping groove body surface 21-1 and the surface II 20-2 or the locking motion block acting clamping groove body surface 21-1 and the surface I20-1, and the change between the locking motion block acting clamping groove body surface 21-1 and the surface I20-1 means the realization of orbital transfer motion.
Referring to fig. 20-22, the table supporting roller set 3 of the present invention is a substantially uncovered square box, and has a pad plate therein, wherein the size of the pad plate is slightly smaller than the length of the square box, three rollers with the same size are horizontally disposed on the pad plate, and the overall height of the pad plate and the rollers is higher than the height of the square box, so as to facilitate the contact between the roller set and the supporting member. The table plate supporting roller group 3 is placed on the inner side of the mounting position of the axle box limit supporting table plate 1, and the position corresponds to the position of an inverted U-shaped clamp plate 17 of the wheel pair axle box. The ship-shaped clamp plate connecting bearing part 22 is arranged in the middle of the inverted U-shaped clamp plate 17 of the wheel set axle box in the locking wheel set axle end outer cover connecting body, a round hole in the ship-shaped clamp plate connecting bearing part 22 and an arc hole in the inverted U-shaped clamp plate 17 of the wheel set axle box are coaxial, the ship-shaped clamp plate connecting bearing part 22 can contact the table plate supporting roller group 3, the lower end face of the bearing part 22 contains a sensor to detect a bearing pressure signal, the load information of the axle box wheel set can be detected, and the table plate supporting roller group 3 simulates a real roller situation to reduce driving resistance. The horizontal spacing connection assembly body 4 of table support contain foundation bed and servo and actuate the sensor assembly, wherein the foundation bed is connected a square slab by a square bottom plate and bottom plate side and is erect the square slab and constitute, have two triangle-shaped floor boards to improve its intensity between two boards, can have the servo that the bolt installation was transversely placed to actuate the sensor assembly on the face of erectting between two floor boards, the wheel pair axle box is touched to its hydro-cylinder servo action face, carries out horizontal spacing to it, accords with the atress condition in the actual motion.
According to the unlocking movement mechanism of the rail-changing supporting axle box, in the practical application process, two sides of the wheel pair are respectively provided with one mechanism, so that one mechanism corresponds to one wheel, and the two mechanisms are in mirror symmetry relation, the rail-changing capacity of the wheel pair can be more accurately tested, the synchronous rail change of the wheel pair is ensured, and the actual movement condition is met.
The specific unlocking movement process is as follows
The method comprises the following steps: the sensor may sense the test wheel pair unloading when the boat-shaped clamp connection carrier 22 contacts the table support roller set 3.
Step two: when a given vertical locking and unlocking actuator connecting assembly body 8 track transfer command is given, the rod in the vertical locking and unlocking actuator connecting body 13 moves upwards to push the unlocking and locking motion guide rail connecting body 14 and the unlocking and locking motion connecting slender rod assembly body 15 to move upwards along the direction of the clamping groove on the double-sided cross guide rail sliding seat body 6 clamping the short guide rail 14-1, and when the locking motion clamping block 15-2 moves upwards until the locking and unlocking motion is separated from the locking and unlocking motion driving connecting transformation block 20, the locking and unlocking motion driving connecting transformation block face II 20-2 and the locking motion block acting clamping groove body working face 21-1, the upward motion is stopped and kept, and the unlocking motion is completed.
Step three: the locking and unlocking movement drives the connecting orbital transfer block 20 to be driven by the orbital transfer movement and move for a certain distance, so that the orbital transfer block surface I20-1 moves to the position of the original locking and unlocking movement driving connecting orbital transfer block surface II 20-2, and replaces the orbital transfer block surface II to correspond to the working surface 21-1 of the locking movement block acting clamping groove body, and the position change means the completion of orbital transfer.
Step four: after the track transfer is finished, a command is given to enable the unlocking and locking motion guide rail connecting body 14 and the unlocking and locking motion connecting slender rod assembly body 15 before the rods on the vertical locking and unlocking actuator connecting assembly body 8 drive to move downwards along the clamping grooves on the double-sided cross-shaped guide rail sliding seat body 6 clamping the short guide rail strips 14-1 until the locking motion clamping blocks 15-2 are clamped into the locking motion block acting clamping groove body working surface 21-1 and the locking and unlocking motion driving connection track transfer block surface I20-1 again to stop, and therefore the locking motion is finished.
Step five: the sensor detects the axle box unloading, and the test wheel pair reloads to continue high-speed operation.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (9)
1. A derailment support axlebox unlocking motion comprising: axle box limit bearing table (1), install horizontal limit connection assembly body (4), cross connection type actuator assembly body (2) and table support roller group (3) of table support on axle box limit bearing table (1), its characterized in that, cross connection type actuator assembly body (2) includes: the device comprises a horizontal table plate connecting guide rail bar supporting assembly support (5) horizontally arranged on an axle box limiting supporting table plate (1), a double-faced cross-shaped guide rail bar sliding seat body (6) clamped on a small guide rail on the horizontal table plate connecting guide rail bar supporting assembly support (5), a horizontal transverse lateral force simulation actuator connector (7) connected by connecting the double-faced cross-shaped guide rail bar sliding seat body (6) and a vertical locking and unlocking actuator connecting assembly body (8), wherein the front and the rear of the double-faced cross-shaped guide rail bar sliding seat body (6) are respectively provided with a clamping groove, one of the clamping grooves is a transverse clamping groove, the other clamping groove is a vertical clamping groove, two sides of each clamping groove are respectively provided with a sliding seat sealing end cover, a direct-type pressure injection oil cup is arranged in the middle of each end cover, the side face of the double-faced cross-shaped guide rail bar sliding seat body (6) is provided with a hanging lug connecting locking ring (6-1), the transverse clamping The vertical locking and unlocking actuator connecting assembly body (8) is connected with a vertical clamping groove on a double-sided cross-shaped guide rail strip sliding seat body (6) in a sliding fit manner through a short guide rail bar 14-1 on one side of the vertical locking and unlocking actuator connecting assembly body to move up and down; the cross-connection type actuator assembly body (2) is rotationally connected with a hanging lug connection locking ring (6-1) on the side surface of the double-sided cross-shaped guide rail sliding seat body (6) through a pin shaft.
2. The derailment support pedestal unlocking motion mechanism according to claim 1, wherein the vertical lock release actuator coupling assembly (8) comprises: erect locking unblock actuator connector (13), unblock locking motion guide rail strip connector (14) and unblock locking motion and connect slender rod assembly (15), the bolted connection is on peripheral yima framework for the base of erectting locking unblock actuator connector (13), and the sensor is equipped with to the rod end of actuator connector (13), the sensor is connected through erectting the fritter and the round pin axle rotation of unblock locking motion guide rail strip connector (14), short guide rail strip (14-1) of erectting is installed through the bolt in unblock locking motion guide rail strip connector (14) upper end, short guide rail strip (14-1) is connected with the perpendicular draw-in groove sliding fit in the front of two-sided cross guide rail strip pedestal (6), slides from top to bottom.
3. The derailment support axlebox unlocking motion mechanism according to claim 1, wherein the unlocking and locking motion guide rail bar connecting body (14) has a concave unlocking and locking roller movable circular ring surface (14-2) on the upper end face, the unlocking and locking motion connecting thin rod assembly body (15) comprises an unlocking and locking motion connecting thin rod (15-1), a peripheral spring, a locking motion clamping block (15-2) which is arranged through a spring gasket and a nut and sleeved on the upper end of the thin rod, and a small roller (15-3) which is arranged on the bottom end of the unlocking and locking motion connecting thin rod (15-1) through a bolt, the unlocking and locking motion connecting thin rod (15-1) is a stepped rod, the locking motion clamping block (15-2) is connected with the unlocking and locking motion connecting thin rod (15-1) in a key way, the small roller (15-3) is provided with the bottom of the thin rod through a bolt, the unlocking and locking connecting thin rod (15-1) penetrates through a round hole of an unlocking movement thin rod wheel pair axle box clamping groove (16) of the outer cover of the shaft end of the locking wheel pair, and is supported between the unlocking movement thin rod wheel pair axle box clamping groove (16) and a locking movement clamping block (15-2) arranged on the gasket through a rod peripheral spring to play a role in pulling back and locking, and the small roller (15-3) is placed in a movable circular ring surface (14-2) of the unlocking and locking roller and moves according to the track of a circular arc surface; the locking motion clamping block (15-2) is cylindrical, and one side of the locking motion clamping block is provided with a protruding rectangular strip with a round angle.
4. The mechanism according to claim 3, wherein the locking and unlocking motion driving connection track block (20) and the locking motion block acting clamping groove body (21) are installed in the locking wheel pair shaft end outer cover connector, the locking and unlocking motion driving connection track block (20) is provided with a driving connection track block surface I (20-1) and a driving connection track block surface II (20-2), the distance between the driving connection track block surface I and the driving connection track block surface II is 43.5mm, and the driving connection track block (20) is matched with the locking motion clamping block (15-2), the locking and unlocking motion driving connection track block (20) is installed on the inner end cover of the wheel pair shaft box through two protruding cylinders on the back surface, the locking motion block acting clamping groove body (21-1) is located at the upper end of the locking and unlocking motion driving connection track block (20), and the locking motion block acting clamping groove body surface (21-1) is similar to the track block so as to match the locking motion clamping block (15-2), the working surface 1(15-21) of the locking motion clamping block (15-2) in the unlocking and locking motion connection slender rod assembly body (15) is clamped in the driving connection orbital transfer block surface II (20-2) and the locking motion block action clamping groove body surface (21-1), the locking and unlocking motion connection slender rod assembly body (15) moves up and down, the locking and unlocking motion drives the connection orbital transfer block (20) to move left and right, and orbital transfer motion is realized through conversion between the locking and unlocking motion connection slender rod assembly body and the locking motion block.
5. The derailment support pedestal unlocking motion mechanism according to claim 4,
when the orbital transfer motion is required, the unlocking and locking motion connecting slender rod assembly body (15) moves upwards to enable the locking motion clamping block (15-2) to be separated from the driving connecting orbital transfer block surface II (20-2) to enter the locking motion block acting clamping groove body surface (21-1), the locking and unlocking motion driving connecting orbital transfer block (20) moves along with the driving connecting orbital transfer block surface II (20) due to the orbital transfer motion, the locking motion block acting clamping groove body surface (21) is fixed, when the orbital transfer motion is finished, the locking and unlocking motion driving connecting orbital transfer block (20) is coaxial with the locking motion block acting clamping groove body surface (21-1) through the driving connecting orbital transfer block surface II (20-2) and is changed into a surface I (20-1) which is coaxial with the locking motion block acting clamping groove body surface (21-1), the unlocking and locking motion connecting slender rod assembly body (15) moves downwards to enable the locking motion clamping block (15-2) to be clamped on the driving connecting orbital transfer block surface I (20-1) and the locking motion clamping groove body surface I The motion block acts on the clamping groove body surface (21-1); the locking motion clamping block (15-2) is clamped in the locking motion block acting clamping groove body surface (21-1) and the surface II (20-2) or in the locking motion block acting clamping groove body surface (21-1) and the surface I (20-1), and orbital transfer motion is realized through conversion between the locking motion clamping block and the surface I.
6. The derailment support axlebox unlocking motion mechanism according to claim 2, wherein the horizontal lateral force simulation actuator linkage (7) is laterally disposed and fixed to the peripheral upright yma beam connection structure, comprising: the lateral force simulation device comprises a horizontal lateral force simulation actuator support (9), a horizontal lateral force simulation actuator support hinge seat (10), a lateral force simulation servo assembly body (11) and a horizontal lateral force simulation actuator connection lug (12), wherein one end of the lateral force simulation servo assembly body (11) is hinged to the horizontal lateral force simulation actuator support hinge seat (10) through the horizontal lateral force simulation actuator support hinge seat (10), the other end of the lateral force simulation servo assembly body (11) is movably connected with a lug connection locking ring (6-1) of a double-sided cross guide rail sliding seat body lug connection locking ring, and therefore the lateral force received in the actual movement process is simulated.
7. The derailment support axle box unlocking mechanism according to claim 1, wherein the table support roller group (3) is composed of three cylindrical rollers in a horizontally placed square box, corresponding to the position of the wheelset axle box inverted U-shaped clamp plate (17) of the wheelset axle box, a ship clamp plate connecting bearing member (22) is arranged in the middle of the wheelset axle box inverted U-shaped clamp plate (17) of the wheelset axle box, a round hole in the ship clamp plate connecting bearing member (22) is coaxial with an arc hole in the wheelset axle box inverted U-shaped clamp plate (17), the ship clamp plate connecting bearing member (22) is in contact with the table support roller group (3), a sensor is arranged on the lower end face of the ship clamp plate connecting bearing member (22), and load information of the wheelset is detected through detecting a bearing pressure signal.
8. The mechanism according to claim 1, wherein the table support lateral limit connection assembly (4) is facilitated by a base and a servo actuation sensor assembly, the cylinder servo actuation surface of which contacts the wheelset axlebox for lateral limiting thereof.
9. The mechanism according to any one of claims 1 to 8, wherein the mechanism is mounted on both sides of the wheel set during use, such that one mechanism corresponds to one wheel, and both mechanisms are mounted in mirror symmetry, thereby ensuring synchronous rail transfer and accurately checking the rail transfer capability of the wheel set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374462.5A CN111458168A (en) | 2020-05-06 | 2020-05-06 | Unlocking movement mechanism of rail-changing supporting axle box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010374462.5A CN111458168A (en) | 2020-05-06 | 2020-05-06 | Unlocking movement mechanism of rail-changing supporting axle box |
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