Assembling device and method for axle box spring

Abstract

The invention discloses an assembling device and an assembling method for an axle box spring, solves the problem that safety risks exist in manual assembling of the axle box spring in the prior art, and has the beneficial effects that manual installation of the axle box spring is facilitated, and the pressing force uniformity in the spring installation process is kept. Comprising a supporting base and an upper clamping plate pressing piece, the supporting base is provided with a positioning piece, the positioning piece positions a lower clamping plate of the axle box spring, the lower clamping plate supports a spring in the axle box spring, an upper clamping plate is arranged at the top of the spring, and the upper clamping plate pressing piece is arranged above the upper clamping plate and is hollow. The inner diameter of the upper clamping plate pressing piece is smaller than that of the upper clamping plate, linear driving pieces are arranged on the peripheral side of the upper clamping plate pressing piece, all the linear driving pieces penetrate through the supporting base to be connected with the execution assembly, and the execution assembly is operated to enable all the linear driving pieces to act at the same time to drive the upper clamping plate pressing piece to compress the spring.

Description

Technical Field

[0001] The invention relates to the technical field of train equipment manufacturing, and in particular to an assembling device and an assembling method for an axle box spring. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] Train wheelsets usually use axle box springs, which are springs used to support the axle box. They can effectively reduce the vibration and noise of the axle box and make the train run more smoothly. The types, specifications and parameters of axle box springs vary depending on different machines and usage environments.

[0004] At present, a retractable actuator is arranged inside the axle box spring, and clamps are arranged at both ends of the axle box spring. The clamps are respectively connected to the two ends of the actuator to compress the spring. During the production process, multiple components of the axle box spring need to be assembled. In the prior art, machines are used to compress the axle box springs produced in large quantities. After compressing, the force is maintained to facilitate the operators to install the clamps and the actuator.

[0005] The inventor found that some axle box springs need to be assembled manually because of the small batch size and not all places can realize mechanical operation. In addition, the axle box springs also need to be assembled manually after overhaul. When assembling the axle box spring manually, the spring needs to be sleeved on the connected lower clamping plate and actuator and placed in the corresponding position of the tooling. Then, the upper clamping plate and the threaded hole of the actuator are aligned. After two or three workers press the spring down to the set position, the clamping force is maintained for the set time. At the same time, another worker connects the bolts of the upper clamping plate and the actuator as soon as possible. The problems are:

[0006] The spring compression force is too large. Even if it can be pressed down manually, if there is no stable device to control the spring after compression, the upper splint will be bounced off and cause injuries to the staff.

[0007] The spring is compressed by multiple workers, which occupies multiple workers, resulting in slow assembly speed and low work efficiency;

[0008] Manually tightening the spring cannot ensure uniformity of the compression force around the spring, because the upper clamping plate and the actuator are connected by bolts, which is not conducive to accurate installation of the bolts. If the force is unbalanced, it may be necessary to adjust the bolts multiple times to achieve smooth installation. Summary of the invention

[0009] In view of the deficiencies in the prior art, an object of the present invention is to provide an assembly device for an axle box spring, which can ensure the safety of manual work and the uniformity of the compression force on the circumferential side of the spring.

[0010] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0011] The cam is secured to the upper and lower portions of the spring and is adapted to engage the cams and engage the actuator members to move the cams to engage the actuator so that the cams can be engaged with the actuator and the actuator can be retracted to engage the actuator members.

[0012] In the above-mentioned assembly device for an axle box spring, the linear drive member is provided at two locations, and the two linear drive members are symmetrically arranged about the central axis of the spring;

[0013] Each of the linear drive members passes through the support seat and is connected to the actuator assembly, and the actuator assembly is operated to make each of the linear drive members move simultaneously;

[0014] In an assembly device for an axle box spring as described above, the outer diameter of the upper clamping piece is larger than the diameter of the upper clamp, and a protruding portion is provided on the upper clamping piece. The pin shaft passes through the protruding portion and is connected to the top of the linear drive member. The protruding portion is arranged beyond the outer ring of the upper clamping piece, so that the linear drive member maintains a set distance from the spring, which is beneficial for the linear drive member to drive the spring to be compressed.

[0015] An assembly device for an axle box spring as described above, wherein the linear drive member includes a vertical screw rod, a connecting rod is arranged at the top end of the vertical screw rod, the connecting rod is rotatably connected or detachably connected to the upper clamping member, the linear drive member on one side is rotatably connected to the upper clamping member so that the upper clamping member can be flipped relative to the linear drive member, and the linear drive member on the other side is detachably connected to the upper clamping member.

[0016] As described above, an assembly device for an axle box spring, the actuator assembly includes two support boxes, the vertical screw rods are respectively arranged through corresponding support boxes, the support boxes are fixed to the support base, a toothed nut is arranged in the support box, the toothed nut is sleeved on the vertical screw rod, the inner annular surface of the toothed nut cooperates with the vertical screw rod through a threaded structure, a gear ring is arranged on the outer annular surface of the geared nut, a horizontal rod passes through the support box and meshes with the gear ring, and the horizontal rod can be rotatably installed under the support base.

[0017] In the above-mentioned assembly device for an axle box spring, the horizontal rod is a horizontal screw rod, and the horizontal screw rod is directly meshed with the gear ring;

[0018] Alternatively, in another embodiment, the gear ring is a bevel gear ring, and the horizontal rod is meshed with the bevel gear ring through a conical wheel.

[0019] In the assembly device for an axle box spring as described above, the actuator is located below the support seat, one end of the actuator is arranged beyond the support seat, and a handwheel is arranged at the end of the actuator that exceeds the support seat, so that the movement of the actuator is facilitated by the arrangement of the handwheel.

[0020] As described above, an assembly device for an axle box spring, the positioning member includes a first positioning member and a second positioning member, the first positioning member positions the first side surface of the lower clamping plate, and the second positioning member positions the second side surface of the lower clamping plate, the first positioning member and the second positioning member are vertically arranged, and the lower clamping plate can be positioned from two directions through the two positioning members to ensure that the lower clamping plate can be accurately placed on the support seat.

[0021] The assembly device for an axle box spring as described above, wherein the support seat comprises a flat plate, the positioning member is arranged on the flat plate, the linear drive members are arranged through the flat plate, and both sides of the flat plate are supported by brackets;

[0022] A mounting hole is arranged on the side of the bracket, one side of the L-shaped support frame can be detachably mounted on the mounting hole on the side of the bracket, an opening is arranged on the other side of the L-shaped support frame, and a fastener passes through the opening of the L-shaped support frame to fix the L-shaped support frame to the ground or work surface, thereby ensuring the stability of the support base setting.

[0023] In a second aspect, the present invention provides an assembly method for an axle box spring, using the assembly device for an axle box spring, comprising the following contents:

[0024] A linear drive member is arranged through the support seat, and the linear drive member passes through the support seat and is connected to the actuator assembly;

[0025] The top end of one of the linear driving parts is rotatably connected to the upper clamping part, and the upper clamping part is turned over to expose the positioning part at the support seat;

[0026] Position the assembled lower clamping plate and actuator through the positioning piece and place them at the set position of the support seat;

[0027] Put the spring around the actuator and support the spring through the lower clamping plate;

[0028] Place the upper clamp on the top side of the spring, with the threaded holes of the upper clamp corresponding to the threaded holes of the actuator;

[0029] Flip the upper clamping plate pressing member to the top of the upper clamping plate and connect it to another linear drive member;

[0030] The linear drive components act simultaneously to drive the upper clamping plate clamping component to compress the spring. After being compressed to a set position, the bolt is passed through the threaded hole of the upper clamping plate and the threaded hole of the actuator and tightened.

[0031] The beneficial effects of the present invention are as follows:

[0032] 1) The present invention not only serves as an assembly workbench through the support seat, but also serves to provide a reaction force during the compression process of the spring. The assembled upper splint and the actuator are supported by the support seat, the upper splint is placed, the upper splint clamping member is pressed against the upper splint and fixed, and the linear drive members are operated simultaneously to ensure the balance of the lateral force around the spring, so that the spring is compressed to a set height, and then the upper splint is connected to the actuator. The operation is convenient, and the spring can be stably controlled after being compressed. The upper splint will not fly off, and injuries to the staff can be effectively avoided.

[0033] 2) The overall structure of the present invention is reasonably arranged, which is suitable for the assembly of small batches of axle box springs. The assembly speed is faster than that of pure manual assembly, and it will not occupy too many staff, thereby greatly improving work efficiency. In the present invention, the upper clamping plate clamping member is driven by a linear drive member to realize the pressing member on the upper clamping plate, which can ensure the uniformity of the clamping force applied on the circumferential side of the spring, avoid the situation where one side has a large pressure and the other side has a small pressure when the force is applied manually, and there is no need to adjust the bolts multiple times, which is conducive to the accurate and fast installation of the upper clamping plate and the actuator.

[0034] 3) In the present invention, two linear drive members are provided, and there is no need to provide too many linear drive members. The two linear drive members are symmetrically arranged, which not only ensures the balance of force application, but also facilitates the smooth assembly and the disassembly of the linear drive member on one side and the upper clamping member after assembly.

[0035] 4) The linear drive structure of the present invention is reasonably arranged. The linear drive adopts a vertical screw rod. The actuator assembly includes a horizontal rod. The horizontal rod is meshed with a tooth nut. Rotating the horizontal rod can drive the tooth nut to rotate. Because the tooth nut and the vertical screw rod are matched through a threaded structure, the linear motion of the vertical screw rod is realized during the rotation of the tooth nut, thereby realizing the compression of the spring.

[0036] 5) The positioning member in the present invention includes a first positioning member and a second positioning member, and the first positioning member and the second positioning member are vertically arranged, so that the lower splint can be positioned from two directions of the lower splint, ensuring that the lower splint can be accurately placed on the support seat, and the position of the upper splint clamping member is fixed, which is conducive to the accurate placement of the upper splint clamping member as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0038] Figure 1 A schematic diagram of an assembly device for an axle box spring according to one or more embodiments of the present invention Figure 1 .

[0039] Figure 2 A schematic diagram of an assembly device for an axle box spring according to one or more embodiments of the present invention Figure 2 .

[0040] Figure 3 A schematic diagram of an assembly device for an axle box spring according to one or more embodiments of the present invention Figure 3 .

[0041] Figure 4 It is a front view of an assembly device for an axle box spring according to one or more embodiments of the present invention.

[0042] In the figure: the distances or sizes between parts are exaggerated to show the positions of various parts, and the schematic diagram is for reference only.

[0043] Wherein: 1. through hole, 2. upper clamping piece, 3. extension part, 4. vertical screw, 5. flat plate, 6. hand wheel, 7. bracket, 8. collar, 9. mounting plate, 10. pin, 11. connecting rod, 12. actuator, 13. spring, 14. horizontal screw, 15. support box, 16. hollow cylinder, 17. transverse frame, 18. lower clamping plate, 19. upper clamping plate, 20. first positioning piece, 21. second positioning piece, 22. support ear. DETAILED DESCRIPTION

[0044] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0045] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof;

[0046] As introduced in the background technology, the manual installation of axle box springs in the prior art has the problem of low working efficiency. In order to solve the above technical problems, the present invention proposes an assembly device for axle box springs.

[0047] Embodiment 1

[0048] In a typical embodiment of the present invention, reference is made to Figure 1 As shown, an assembly device for an axle box spring includes a support seat and an upper clamping piece 2, a positioning piece is provided on the support seat, the positioning piece positions the lower clamping piece 18 of the axle box spring, the lower clamping piece 18 supports the spring 13 in the axle box spring, an upper clamping plate 19 is provided on the top of the spring 13, the upper clamping plate clamping piece 2 is placed above the upper clamping plate 19, the upper clamping plate clamping piece 2 is hollow, the inner diameter of the upper clamping plate clamping piece 2 is smaller than the inner diameter of the upper clamping plate 19, a linear driving piece is provided on the peripheral side of the upper clamping plate clamping piece 2, each linear driving piece passes through the support seat and is connected to the actuator component, and the operating actuator component makes each linear driving piece act simultaneously to drive the upper clamping plate clamping piece to compress the spring, so as to facilitate the connection between the upper clamping plate 19 and the actuator 12.

[0049] In this embodiment, two linear drive members are provided, and the two linear drive members are symmetrically arranged about the central axis of the spring 13 .

[0050] It is easy to understand that one end of the upper clamping member 2 is rotatably connected to one of the linear drive members, and the other end of the upper clamping member 2 is detachably connected to another linear drive member. It is not necessary to completely dismantle the upper clamping member 2 after each assembly. It is only necessary to open the connection with the linear drive member and turn over the upper clamping member 2. The setting of the two linear drive members is not only convenient for operation, but also can ensure uniform compression of the spring.

[0051] In other examples, the number of linear drive members may be three, the interval angle between two adjacent linear drive members is 120°, and the upper clamping member 2 is detachably connected to the linear drive members on both sides and rotatably connected to one of the linear drive members.

[0052] Considering that the upper clamp 19 is an annular part, the inner side surface of the upper clamp 19 protrudes inward to form two threaded holes for connection with the actuator 12. In order to ensure the connection space after the spring 13 is compressed, the main structure of the upper clamp 2 is an annular part. The outer diameter of the upper clamp 2 is larger than the diameter of the upper clamp 19, and specifically can be 1mm-5mm larger than the diameter of the upper clamp 19. Moreover, extensions 3 are respectively provided on both sides of the upper clamp 2. The extensions 3 on both sides are located in the same plane. The extension 3 can be a rectangular plate. The extension 3 is connected to the linear drive member. The extension 3 exceeds the outer circle of the upper clamp 2, so that the linear drive member maintains a set distance from the spring 13, which is beneficial for the linear drive member to drive the spring 13 to be compressed.

[0053] Specifically, two supporting ears 22 are arranged on the lower side of the extension part 3, the supporting ears 22 are vertically connected to the extension part, and a distance is set between the two supporting ears 22. The length of the two supporting ears 22 is longer than that of the extension part 3. The parts of the two supporting ears 22 exceeding the extension part are arranged to be tilted downward, and the end of the supporting ear 22 away from the extension part 3 is arranged lower than the center of the upper clamping part 2. A ring 8 is arranged on the top of the linear drive part, and the pin 10 is specifically a first pin and a second pin. The first pin passes through the supporting ear of the extension part on one side and the ring on the top of a linear drive part. The outer diameter of the first pin is matched with the inner diameter of the pin hole at the supporting ear, and the second pin passes through the supporting ear of the extension part on the other side and the ring on the top of another linear drive part. The length of the second pin is greater than that of the first pin, which is convenient for inserting the second pin into the supporting ear 22 and also convenient for removing it from the supporting ear 22.

[0054] In some examples, in order to facilitate the extraction of the second pin from the support ear 22, a extraction rod may be provided on the end side of the second pin to relatively extend the length of the second pin, facilitate the insertion or extraction of the second pin, and facilitate rapid assembly.

[0055] In this embodiment, the actuator is located below the support seat, one end of the actuator is set beyond the support seat, the flat plate of the support seat is set with a through hole 1, the inner diameter of the through hole 1 is larger than the outer diameter of the vertical screw rod, so that the vertical screw rod 4 is set through the through hole 1, and a handwheel 6 is set at one end of the actuator that exceeds the support seat, and the setting of the handwheel 6 facilitates the movement of the actuator.

[0056] In some examples, the linear drive member includes a vertical screw rod 4, a connecting rod 11 is arranged at the top end of the vertical screw rod 4, a ring 8 is arranged at the top of the connecting rod 11, and the linear drive member is rotatably connected or detachably connected to the upper clamping member 2 through the ring 8. The linear drive member on one side is rotatably connected to the upper clamping member 2 so that the upper clamping member 2 can be flipped relative to the linear drive member, and the linear drive member on the other side is detachably connected to the upper clamping member 2.

[0057] In this embodiment, the actuator assembly includes two support boxes 15, and the vertical screw rods 4 are respectively arranged through the corresponding support boxes 15. The support boxes 15 are fixed to the lower surface of the flat plate 5 in the support seat. A toothed nut is arranged in the support box 15, and the toothed nut is sleeved on the vertical screw rod. The inner annular surface of the toothed nut cooperates with the vertical screw rod through a threaded structure, and a gear ring is arranged on the outer annular surface of the toothed nut. The horizontal rod passes through the support box 15 and meshes with the gear ring. The horizontal rod can be rotatably installed under the support seat. The support box can be a circular box, and the top of the support box is installed on the flat plate 5.

[0058] To achieve the matching, in this embodiment, the horizontal rod is a horizontal screw rod 14, which extends beyond the flat plate and is connected to the hand wheel to facilitate the operation of rotating the horizontal rod. The horizontal screw rod 14 is directly meshed with the gear ring, and a specific section of the horizontal screw rod is meshed with the gear ring. Figure 3 As shown, a hollow cylinder is arranged outside this section of the horizontal screw rod, and the hollow cylinder 16 can be connected to the support box 15, so that the support box and the hollow cylinder 16 are fixed to the lower side of the flat plate; in other examples, the horizontal rod can be a bare rod, and a certain section of the bare rod is arranged as a screw rod section, and the screw rod section is meshed with the gear ring of the gear nut;

[0059] refer to Figure 1 and Figure 2 As shown, the support seat includes a flat plate 5, a positioning member is provided on the flat plate 5, and the linear driving members are all provided through the flat plate 5. Both sides of the flat plate 5 are supported by brackets respectively. The bracket 7 can be a trapezoidal bracket. The top side of the bracket 7 is fixedly connected to the flat plate. Both sides of the bracket 7 are inclined, that is, the width of the bottom of the bracket 7 is greater than the width of the flat plate 5. The bottom sides of the brackets 7 on both sides are connected by a transverse frame 17;

[0060] Understandably, reference Figure 4 As shown, the positioning member includes a first positioning member 20 and a second positioning member 21. The first positioning member 20 positions the first side of the lower clamp 18, and the second positioning member 21 positions the second side of the lower clamp 18. The first positioning member 20 and the second positioning member 21 are vertically arranged. The lower clamp 18 can be positioned from two directions of the lower clamp through the two positioning members, ensuring that the lower clamp 18 can be accurately placed on the support seat, especially at the center position of the flat plate, thereby ensuring that the lower clamp and the upper clamp clamp are coaxially arranged.

[0061] In some examples, the first positioning member 20 and the second positioning member 21 are respectively the first positioning block and the second positioning block. The shapes and sizes of the first positioning block and the second positioning block may be the same or different. The two may be in contact or not. The first positioning member and the second positioning member are specifically fixed to the surface of the flat plate.

[0062] In some examples, the first positioning member and the second positioning member can be arc blocks respectively, the inner diameter of the arc block is compatible with the outer diameter of the lower clamping plate 18, and the arc block has a set arc length, which will not cause the first positioning member and the second positioning member to interfere with each other; of course, in other examples, the first positioning member and the second positioning member can also be other shapes.

[0063] It should be noted that a mounting plate 9 is provided on the side of the bracket 7 near its bottom, and the mounting plate 9 is provided at the four corners of the bottom side of the bracket 7. The mounting plate is provided perpendicular to the flat plate 5, and two mounting holes are provided on the mounting plate 9. An opening is provided on one side of the L-shaped support frame so that one side of the L-shaped support frame can be detachably installed at the mounting hole on the side of the bracket 7. An opening is also provided on the other side of the L-shaped support frame. Fasteners such as bolts pass through the openings of the L-shaped support frame to fix the L-shaped support frame to the ground or work surface, thereby ensuring the stability of the support base.

[0064] The assembly device provided in this embodiment not only serves as an assembly workbench through the support seat, but also serves to provide a reaction force during the compression process of the spring. The assembled upper splint and the actuator are supported by the support seat, the upper splint is placed, and the upper splint clamping member is pressed against the upper splint and fixed. By operating the execution component, each linear drive member is actuated at the same time, so that the spring is compressed to a set height, and then the upper splint is connected to the actuator. The operation is convenient, and the spring can be stably controlled after being compressed. The upper splint will not fly off, and injuries to the staff can be effectively avoided.

[0065] Embodiment 2

[0066] The difference between this embodiment and the first embodiment is that:

[0067] The gear ring is a bevel gear ring, and a bevel gear is arranged in the annular direction of the horizontal rod. The bevel gear is meshed with the bevel gear gear ring. Thus, through the meshing of the bevel gear and the bevel gear gear ring, when the horizontal rod rotates, the gear nut is driven to rotate. Because the gear nut cooperates with the vertical screw rod through the threaded structure, the lifting movement of the vertical screw rod 4 is realized.

[0068] Embodiment 3

[0069] This embodiment provides an assembly method for an axle box spring, using an assembly device for an axle box spring according to the first or second embodiment, and includes the following contents:

[0070] A linear drive member is arranged through the support seat, and the linear drive member passes through the support seat and is connected to the actuator assembly;

[0071] The top end of one of the linear driving parts is rotatably connected to the upper clamping part 2, and the upper clamping part is turned over to expose the positioning part at the support seat;

[0072] Position the assembled lower clamping plate 18 and the actuator by means of the first positioning member 20 and the second positioning member 21, and place them at the set position of the support seat;

[0073] The spring 13 is placed around the actuator 12 in the annular direction and supported by the lower clamping plate;

[0074] Place the upper clamping plate 19 on the top side of the spring 13, with the threaded holes of the upper clamping plate corresponding to the threaded holes of the actuator;

[0075] Flip the upper clamping member 2 to the top of the upper clamping member 19 and connect it to another linear drive member;

[0076] Turn the hand wheel, the hand wheel rotation drives the horizontal rod to rotate, the horizontal rod rotation drives the large movable tooth nut to rotate, because the tooth nut cooperates with the vertical screw rod through the threaded structure, and then drives the vertical screw rod to move up and down, thereby driving the upper clamping plate clamping piece 2 to compress the spring 13, because vertical screw rods are arranged on both sides, and the two vertical screw rods move at the same time, after the spring 13 is compressed to the set position, the bolt is passed through the threaded hole of the upper clamping plate and the threaded hole of the actuator, and tightened, so as to realize the assembly of the axle box spring;

[0077] After the assembly is completed, remove the pin shaft on one side, flip the upper clamping plate clamping piece 2 relative to the pin shaft on the other side, take out the assembled axle box spring, and assemble the next axle box spring.

[0078] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An assembly device for an axle box spring, characterized in that: It includes a support seat and an upper clamping piece. The support seat is provided with a positioning piece. The positioning piece positions the lower clamping piece of the axle box spring. The lower clamping piece supports the spring in the axle box spring. An upper clamping plate is arranged on the top of the spring. The upper clamping piece is placed above the upper clamping plate. The upper clamping piece is hollow. The inner diameter of the upper clamping piece is smaller than the inner diameter of the upper clamping plate. A linear driving piece is arranged on the peripheral side of the upper clamping piece. The upper clamping piece is rotatably connected to one of the linear driving pieces. The upper clamping piece is detachably connected to another linear driving piece. The linear driving pieces act simultaneously to drive the upper clamping piece to compress the spring to facilitate the connection between the upper clamping plate and the actuator.

2. The assembly device for an axle box spring according to claim 1, characterized in that: The linear drive members are provided at two locations, and the two linear drive members are symmetrically arranged about the central axis of the spring; Each of the linear drive members passes through the support seat and is connected to the actuator assembly, and the actuator assembly is operated to cause each of the linear drive members to move simultaneously.

3. The assembly device for an axle box spring according to claim 1, characterized in that: The outer diameter of the upper clamping plate clamping piece is larger than the diameter of the upper clamping plate, and the upper clamping plate clamping piece is provided with an extension portion, through which the pin passes through the extension portion and is connected with the top of the linear driving member.

4. The assembly device for an axle box spring according to claim 2, characterized in that: The linear drive member comprises a vertical screw rod, a connecting rod is arranged at the top end of the vertical screw rod, and the connecting rod is rotatably connected or detachably connected to the upper clamping plate clamping member.

5. The assembly device for an axle box spring according to claim 4, characterized in that: The actuator assembly includes two support boxes, the vertical screw rods are respectively passed through corresponding support boxes, the support boxes are fixed to the support base, a toothed nut is arranged in the support box, the toothed nut is sleeved on the vertical screw rod, the inner annular surface of the toothed nut cooperates with the vertical screw rod through a threaded structure, a gear ring is arranged on the outer annular surface of the geared nut, the horizontal rod passes through the support box and meshes with the gear ring, and the horizontal rod can be rotatably installed under the support base.

6. The assembly device for an axle box spring according to claim 5, characterized in that: The horizontal rod is a horizontal screw rod, and the horizontal screw rod is directly meshed with the gear ring; Alternatively, the gear ring is a bevel gear ring, and the horizontal rod is meshed with the bevel gear ring through a conical wheel.

7. The assembly device for an axle box spring according to claim 2, characterized in that: The actuator is located below the support seat, one end of the actuator is arranged beyond the support seat, and a hand wheel is arranged at the end of the actuator that exceeds the support seat.

8. The assembly device for an axle box spring according to claim 1, characterized in that: The positioning member includes a first positioning member and a second positioning member, the first positioning member positions the first side surface of the lower clamping plate, the second positioning member positions the second side surface of the lower clamping plate, and the first positioning member is vertically arranged to the second positioning member.

9. The assembly device for an axle box spring according to claim 1, characterized in that: The support seat comprises a flat plate, the positioning member is arranged on the flat plate, the linear drive members are arranged through the flat plate, and both sides of the flat plate are supported by brackets; A mounting hole is arranged on the side of the bracket, one side of the L-shaped support frame can be detachably mounted on the mounting hole on the side of the bracket, and an opening is arranged on the other side of the L-shaped support frame.

10. A method for assembling an axle box spring, characterized in that: An assembly device for an axle box spring according to any one of claims 1 to 9 comprises the following contents: A linear drive member is arranged through the support seat, and the linear drive member passes through the support seat and is connected to the actuator assembly; The top end of one of the linear driving parts is rotatably connected to the upper clamping part, and the upper clamping part is turned over to expose the positioning part at the support seat; Position the assembled lower clamping plate and actuator through the positioning piece and place them at the set position of the support seat; Put the spring around the actuator and support the spring through the lower clamping plate; Place the upper clamp on the top side of the spring, with the threaded holes of the upper clamp corresponding to the threaded holes of the actuator; Flip the upper clamping plate pressing member to the top of the upper clamping plate and connect it to another linear driving member; The linear drive components act simultaneously to drive the upper clamping plate clamping component to compress the spring. After being compressed to a set position, the bolt is passed through the threaded hole of the upper clamping plate and the threaded hole of the actuator and tightened.

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