Axle bearing assembling tool

Abstract

The utility model provides an axle bearing assembling tool which comprises a shell, a guide cylinder is arranged at one end of the shell, a through hole communicated with the guide cylinder is formed in the shell, and a movable rod and a first driving assembly in transmission connection with the movable rod are arranged on the shell. Part of the movable rod penetrates through the through hole and extends into the guide cylinder, the moving direction of the movable rod is consistent with the axial direction of the guide cylinder, a push head is arranged at the end, close to an opening of the guide cylinder, of the movable rod, and the first driving assembly drives the push head to extend out of the guide cylinder or retract into the guide cylinder. The shell is further provided with a supporting foot and a second driving assembly in transmission connection with the supporting foot, the moving direction of the supporting foot is perpendicular to the moving direction of the movable rod, and the second driving assembly drives the supporting foot to be close to or away from the shell. The axle bearing mounting device solves the technical problem that existing axle bearing mounting equipment is inconvenient to use, has the technical effects of simplifying axle bearing assembly operation and being good in reliability, can be adjusted according to different bearing mounting positions, and is high in universality.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile assembly, in particular to an axle bearing assembly tool. Background Art

[0002] The axle of a car is connected to the frame (or load-bearing body) through a suspension, and wheels are installed at both ends. The function of the axle is to bear the load of the car and maintain the normal driving of the car on the road. Bearings need to be installed at both ends of the car axle.

[0003] A Chinese utility model patent with announcement number CN213795099U discloses an axle bearing installation device, including a base plate, a plurality of symmetrically installed axle support frames are distributed in parallel on the top of the base plate, a frame is installed on the top of the base plate, slide rails are symmetrically installed on the top of the frame, a slider is slidably connected to the slide rails, an electric hoist is installed at the bottom of the slider, the electric hoist is connected to the end seat through a steel wire rope, and the two end seats are connected by symmetrically arranged connecting rods, a telescopic cylinder is installed at the center of the outer wall of the end seat, a bearing storage box is installed at the center of the inner wall of the end seat, a push plate is slidably connected to the inside of the bearing storage box, one end of the push plate is connected to the telescopic end of the telescopic cylinder, a control panel is installed on one side of the end seat, and the control panel is electrically connected to the electric hoist and the telescopic cylinder. When the above-mentioned axle bearing installation equipment is in use, the bearing is placed inside the bearing storage box, and the axle is fixed on the axle support frame in turn. By pulling the end seat, the slider moves on the slide rail, and the two end seats move to the top of the axle. The electric crane is operated on the control panel to move the end seat downward to the two ends of the axle. The telescopic cylinder is operated on the control panel to drive the push plate to move. Under the action of the push plate, the bearing is pushed to the two ends of the axle to achieve rapid installation of the bearing.

[0004] The end seat in the axle bearing installation device disclosed in the above utility model patent is suspended on the frame by a steel wire rope. The end seat will shake relative to the electric crane during the movement. Therefore, after the end seat is moved to a position close to the axle support frame, it is necessary to manually align the push plate with the position where the bearing is installed on the axle and hold the end seat to prevent the end seat from shaking and causing the push plate and the axle to be misaligned. Therefore, the existing axle bearing installation device is not convenient to use. Utility Model Content

[0005] In view of the deficiencies existing in the prior art, the utility model provides an axle bearing assembly tool, which solves the problem that the axle bearing installation equipment existing in the prior art is inconvenient to use.

[0006] According to an embodiment of the utility model, an axle bearing assembly tool includes a shell, one end of the shell is provided with a guide cylinder and the shell is provided with a through hole connected to the guide cylinder, the shell is provided with a movable active rod and a first driving component transmission-connected to the movable rod, part of the movable rod passes through the through hole and extends into the guide cylinder and the moving direction of the movable rod is consistent with the axial direction of the guide cylinder, one end of the movable rod close to the opening of the guide cylinder is provided with a push head, the first driving component drives the push head to extend out of the guide cylinder or retract into the guide cylinder; the shell is also provided with a movable support foot and a second driving component transmission-connected to the support foot, the moving direction of the support foot is perpendicular to the moving direction of the movable rod, and the second driving component drives the support foot to approach or move away from the shell.

[0007] Furthermore, one end of the movable rod close to the opening of the guide cylinder has a guide head, and the guide head is in contact with the inner wall of the guide cylinder.

[0008] Furthermore, a first threaded hole is provided on the end surface of one end of the guide head close to the opening of the guide cylinder, and the end of the push head close to the movable rod has a threaded portion, and the threaded portion cooperates with the first threaded hole.

[0009] Furthermore, the first driving assembly includes a cylinder and a telescopic rod arranged at the output end of the cylinder, the telescopic direction of the telescopic rod is consistent with the axial direction of the guide cylinder and one end of the telescopic rod away from the cylinder cooperates with the movable rod.

[0010] Furthermore, a mounting plate is provided at one end of the movable rod away from the opening of the guide cylinder, a mounting portion matching the telescopic rod is provided on the mounting plate, a guide rod is provided on the shell and a guide hole matching the guide rod is provided on the mounting plate, and the axial direction of the guide rod is consistent with the telescopic direction of the telescopic rod.

[0011] Furthermore, a hanging rod is provided on the shell, and the hanging rod and the supporting feet are respectively located on two opposite sides of the shell, and a hanging block is sleeved on the hanging rod.

[0012] Furthermore, two rotatable first connecting rods are symmetrically provided on the shell and one end of the first connecting rod away from the shell is rotatably connected to the second connecting rod, one end of the second connecting rod away from the first connecting rod is rotatably connected to the support foot, and the second driving assembly is respectively transmission-connected to the two first connecting rods and drives the two first connecting rods to rotate so that the two ends of the first connecting rods away from the shell are close to or away from each other, and drives the two ends of the second connecting rods away from the support foot to approach or move away from each other.

[0013] Furthermore, the second driving assembly includes a guide rail arranged on the shell and a driving block movably arranged on the guide rail, a movable plate is fixedly connected to the driving block, and first racks are respectively provided on opposite sides of the movable plate, and first gears are respectively provided on one end of the first connecting rod rotatably connected to the shell, and the first gears and the first racks are matched one by one; a movable limiting plate is provided on the support foot, and the moving direction of the limiting plate is parallel to the length direction of the guide rail, and second racks are respectively provided on opposite sides of the limiting plate, and second gears are respectively provided on one end of the second connecting rod rotatably connected to the support foot, and the second gears and the second racks are matched one by one.

[0014] Furthermore, the second driving component also includes a motor and a screw rod arranged at the output end of the motor. The screw rod is rotatably arranged on the housing and the axial direction of the screw rod is consistent with the moving direction of the driving block. The driving block is provided with a second threaded hole matching the screw rod.

[0015] Furthermore, a first slide groove is provided on the shell, the length direction of the first slide groove is parallel to the length direction of the guide rail, and a first slider matching with the first slide groove is provided on the movable plate, a second slide groove parallel to the first slide groove is provided on the support foot, and a second slider matching with the second slide groove is provided on the limiting plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects: by adopting a first driving member arranged in the shell to drive the movable rod to move on the shell, the movable rod drives the push head to extend out of the guide cylinder or retract into the guide cylinder when it moves, and when the guide cylinder is moved to be aligned with the position of the bearing installed on the axle, the push head is driven by the movable rod to extend out of the guide cylinder to push the bearing into the predetermined position on the axle to complete the installation of the bearing, and during the installation process, the second driving component can be controlled according to the height of the position of the bearing installed on the axle to drive the support foot to move away from the shell, when the guide cylinder is aligned with the position of the bearing installed on the axle, the support foot contacts the ground and supports the shell, so that the position of the shell remains stable and the shell is prevented from shaking during the installation of the bearing, resulting in the misalignment of the guide cylinder and the bearing installed on the axle, and there is no need to manually hold the shell to keep the guide cylinder in the corresponding position during the installation process, which solves the technical problem that the existing axle bearing installation equipment is inconvenient to use, produces the technical effect of simplifying the axle bearing assembly operation and having good reliability, and can be adjusted according to different bearing installation positions, with strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of an axle bearing assembly tool according to an embodiment of the utility model;

[0018] Figure 2A cross-sectional view of an axle bearing assembly tool according to an embodiment of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of an axle bearing assembly tool according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic structural diagram of an axle bearing assembly tool according to an embodiment of the utility model after the support leg is moved in a direction away from the housing;

[0021] Figure 5 It is a partial exploded view of an axle bearing assembly tool according to one embodiment of the utility model.

[0022] In the above drawings: 1. shell; 11. through hole; 12. guide rod; 13. lifting rod; 14. lifting block; 15. first connecting rod; 16. first gear; 17. first slide groove; 18. cover; 2. guide cylinder; 3. movable rod; 31. push head; 32. guide head; 33. first threaded hole; 34. threaded portion; 35. mounting plate; 36. mounting portion; 4. first driving assembly; 41. cylinder; 42. telescopic rod; 5. support foot; 51. second connecting rod; 52. limit plate; 53. second rack; 54. second gear; 55. second slide groove; 56. second slider; 57. anti-slip pad; 6. second driving assembly; 61. guide rail; 62. driving block; 63. movable plate; 64. first rack; 65. motor; 66. screw rod; 67. first slider. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] like Figures 1 to 5 As shown, an embodiment of the utility model provides an axle bearing assembly tool, which is used to push the bearing into a preset position on the axle during the process of installing the bearing on the axle to complete the assembly of the bearing.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3The axle bearing assembly tool includes a shell 1, one end of the shell 1 is provided with a guide cylinder 2 and the shell 1 is provided with a pain connected to the guide cylinder 2, the shell 1 is provided with a movable active rod 3 and a first driving component 4 connected to the active rod 3, part of the active rod 3 passes through the through hole 11 and extends into the guide cylinder 2, the moving direction of the active rod 3 on the shell 1 is consistent with the axial direction of the guide cylinder 2, the end of the active rod 3 close to the opening of the guide cylinder 2 is provided with a push head 31, and when the first driving component 4 drives the active rod 3 to move on the shell 1, the active rod 3 drives the push head 31 to extend out of the guide cylinder 2 or retract into the guide cylinder 2, and the shell 1 is moved to make the guide cylinder 2 and the first driving component 4 connect. When the position for installing the bearing on the axle is aligned, the push head 31 is driven by the movable rod 3 to extend out of the guide cylinder 2, and the bearing can be pushed into the preset position on the axle by the push head 31 to complete the installation of the bearing; the shell 1 is also provided with a movable support foot 5 and a second driving component 6 connected to the support foot 5 in a transmission manner. The moving direction of the support foot 5 is perpendicular to the moving direction of the movable rod 3, and the second driving component 6 is used to drive the support foot 5 to approach or move away from the shell 1. The support foot 5 can be placed on the ground to support the shell 1 through the contact between the support foot 5 and the ground, and the support foot 5 can be driven by the second driving component 6 to move relative to the shell 1 to adjust the height of the shell 1 after the support foot 5 is placed on the ground.

[0026] Specifically, the operating steps for assembling the bearing using the axle bearing assembly tool provided in this embodiment are as follows: first, operate the second drive component 6 according to the height of the position where the bearing is installed on the axle to move the support foot 5 in the direction away from the shell 1, so that the height of the guide cylinder 2 when the support foot 5 contacts the ground is aligned with the position where the bearing is installed on the axle, and then move the axle bearing assembly tool to one side of the axle and align the guide cylinder 2 with the position where the bearing is installed on the axle, and the first drive component 4 drives the movable rod 3 to move and drives the push head 31 to extend out of the guide cylinder 2, at which time the push head 31 pushes the bearing into the preset position on the axle to complete the installation of the bearing, and after the installation is completed, the first drive component 4 drives the movable rod 3 to reset and drives the push head 31 to retract into the guide cylinder 2, and then moves the axle bearing assembly tool to one side of the next axle and the first drive component 4 drives the movable rod 3 to move back and forth to continuously perform the bearing assembly operation. The axle bearing assembly tool provided in this embodiment supports the shell 1 through the support foot 5, so that the position of the shell 1 remains stable and the shell 1 is effectively prevented from shaking during the axle assembly process. During the bearing installation process, there is no need to manually support the shell 1 to keep the guide cylinder 2 in the corresponding position, which effectively simplifies the axle bearing assembly operation. The operation is simple and the reliability is good. The position of the support foot 5 can be adjusted according to different bearing installation positions, and the versatility is strong.

[0027] like Figure 2 As shown, the movable rod 3 has a guide head 32 at one end close to the opening of the guide cylinder 2, and the guide head 32 is in contact with the inner wall of the guide cylinder 2. The guide head 32 in contact with the inner wall of the guide cylinder 2 is arranged at the end of the movable rod 3 to improve the stability of the cooperation between the movable rod 3 and the guide cylinder 2, prevent the movable rod 3 from deviating from the preset direction during movement, and thus avoid the push head 31 from deviating from the preset direction, resulting in the misalignment of the push head 31 and the bearing to be installed.

[0028] In this embodiment, a first threaded hole 33 is provided on the end surface of the guide head 32 near the opening of the guide cylinder 2, and a threaded portion 34 is provided on the end of the push head 31 near the movable rod 3, and the threaded portion 34 is matched with the first threaded hole 33. The push head 31 is installed to the end of the guide head 32 through the matching of the threaded portion 34 and the first threaded hole 33, ensuring a reliable connection between the push head 31 and the movable rod 3, and facilitating the removal of the push head 31 from the movable rod 3 and replacing the push head 31 that is compatible with the bearing to be installed, so as to meet the installation requirements of various types of bearings, and further improve the versatility of the axle bearing assembly tool.

[0029] like Figure 2and Figure 3 As shown, the first driving assembly 4 includes a cylinder 41 and a telescopic rod 42 arranged at the output end of the cylinder 41, the telescopic direction of the telescopic rod 42 is consistent with the axial direction of the guide cylinder 2, and the end of the telescopic rod 42 away from the cylinder 41 cooperates with the movable rod 3. The cylinder 41 drives the telescopic rod 42 to extend or retract the cylinder 41, and the movable rod 3 can be driven to move on the housing 1 through the movement of the telescopic rod 42, and when the telescopic rod 42 extends out of the cylinder 41, the movable rod 3 drives the push head 31 to extend out of the guide cylinder 2, and when the telescopic rod 42 retracts into the cylinder 41, the movable rod 3 drives the push head 31 to retract into the guide cylinder 2, that is, the telescopic rod 42 is driven by the cylinder 41 to move, and the push head 31 can be driven to move back and forth, so that the axle bearing assembly tool can continuously perform the bearing installation operation, thereby improving the axle assembly efficiency.

[0030] In detail, a mounting plate 35 is provided at one end of the movable rod 3 away from the opening of the guide cylinder 2, and a mounting portion 36 matching the telescopic rod 42 is provided on the mounting plate 35. A guide rod 12 is provided on the housing 1, and a guide hole matching the guide rod 12 is provided on the mounting plate 35. The axial direction of the guide rod 12 is consistent with the telescopic direction of the telescopic rod 42. The mounting portion 36 provided on the mounting plate 35 is matched with the telescopic rod 42 to ensure reliable connection between the movable rod 3 and the telescopic rod 42. A guide rod 12 whose axial direction is consistent with the telescopic direction of the telescopic rod 42 is provided on the housing 1, and a guide hole matching the guide rod 12 is provided on the mounting plate 35 to limit the moving direction of the mounting plate 35 on the housing 1 through the matching between the guide rod 12 and the guide hole, so as to prevent the mounting plate 35 from unexpectedly deviating, thereby improving the stability of the movable rod 3 when moving on the housing 1.

[0031] Please refer to Figure 1 and Figure 3 The housing 1 is also provided with a hoisting rod 13, and the hoisting rod 13 and the support legs 5 are respectively located at opposite sides of the housing 1, and a hoisting block 14 is sleeved on the hoisting rod 13. The hoisting rod 13 is provided on the housing 1, and the hoisting block 14 is provided on the hoisting rod 13, so that the axle bearing assembly tool can be hung on a gantry or other facilities, thereby facilitating the transportation of the axle bearing assembly tool.

[0032] Specifically, a cover 18 is further provided on the shell 1, and the cover 18 covers a portion of the shell 1 to protect the first drive assembly 4 and the movable plate 63, thereby preventing foreign debris from entering the shell 1 during the use of the axle bearing assembly tool and affecting the normal operation of the axle bearing assembly tool.

[0033] Please combine Figure 2 , Figure 4 and Figure 5 Two rotatable first connecting rods 15 are symmetrically provided on the shell 1, and the ends of the first connecting rods 15 away from the shell 1 are respectively rotatably connected to the second connecting rods 51, and the ends of the second connecting rods 51 away from the first connecting rods 15 are rotatably connected to the support leg 5, and the second driving assembly 6 is respectively transmission-connected to the two first connecting rods 15 and drives the two first connecting rods 15 to rotate so that the two ends of the first connecting rods 15 away from the shell 1 are close to or away from each other, and drives the two ends of the second connecting rods 51 away from the support leg 5 to approach or move away from each other. When the second driving component 6 drives the two first connecting rods 15 to rotate synchronously and makes the two ends of the first connecting rods 15 away from the shell 1 approach each other, the two second connecting rods 51 move synchronously with the rotation of the first connecting rod 15 and the two ends of the second connecting rods 51 away from the support foot 5 approach each other, and at this time, the support foot 5 moves in the direction away from the shell 1 under the push of the first connecting rod 15 and the second connecting rod 51; when the second driving component 6 drives the two first connecting rods 15 to rotate synchronously and makes the two ends of the first connecting rods 15 away from the shell 1 move away from each other, the two second connecting rods 51 move synchronously with the rotation of the first connecting rod 15 and the two ends of the second connecting rods 51 move away from each other, and at this time, the support foot 5 moves in the direction close to the shell 1 under the pull of the first connecting rod 15 and the second connecting rod 51, that is, the second driving component 6 drives the first connecting rod 15 to rotate in different directions, so that the support foot 5 can be moved in the direction close to or away from the shell 1 and the distance between the support foot 5 and the shell 1 can be adjusted, and the operation is simple.

[0034] In detail, the second driving assembly 6 includes a guide rail 61 arranged on the shell 1 and a driving block 62 movably arranged on the guide rail 61, a movable plate 63 is fixedly connected to the driving block 62, and first racks 64 are respectively provided on opposite sides of the movable plate 63, and the first connecting rod 15 is rotatably connected to the shell 1. One end is provided with a first gear 16, and the first gear 16 and the first rack 64 are matched one by one; a movable limiting plate 52 is provided on the support foot 5, and the moving direction of the limiting plate 52 is parallel to the length direction of the guide rail 61, and second racks 53 are respectively provided on opposite sides of the limiting plate 52, and one end of the second connecting rod 51 rotatably connected to the support foot 5 is provided with a second gear 54, and the second gear 54 and the second rack 53 are matched one by one. When the driving block 62 slides on the guide rail 61, the movable plate 63 moves along the length direction of the guide rail 61 driven by the driving block 62, and during the movement of the movable plate 63, the first rack 64 drives the first gear 16 to rotate, and the first connecting rod 15 connected to the first gear 16 is driven to rotate by the rotation of the first gear 16, and the two first racks 64 located on both sides of the movable plate 63 respectively drive the two first gears 16 to rotate in opposite directions, so that the two first connecting rods 15 are closer to or farther away from the ends of the housing 1; the second connecting rod 51 and the support foot 5 are connected to the second gear 54 set on the second connecting rod 51 and the second gear 54 set on the limit plate 52. The engagement of the rack 53 locks the relative position of the second connecting rod 51 and the support foot 5 to prevent the second connecting rod 51 from making unexpected movements after the axle bearing assembly tool is placed on the ground, causing the axle bearing assembly tool to tilt. When the second connecting rod 51 rotates driven by the first connecting rod 15, the second gear 54 rotates with the movement of the second connecting rod 51 and drives the limit plate 52 to slide on the support foot 5 through the cooperation of the second gear 54 and the second rack 53, so that the second gear 54 remains engaged with the second rack 53, ensuring that the limit plate 52 can lock the position of the second connecting rod 51 after the first connecting rod 15 stops rotating, ensuring that the axle bearing assembly tool stands stably on the ground.

[0035] like Figure 4As shown, the second driving assembly 6 also includes a motor 65 and a screw rod 66 arranged at the output end of the motor 65, the screw rod 66 is rotatably arranged on the housing 1, and the axial direction of the screw rod 66 is consistent with the moving direction of the driving block 62, and the driving block 62 is provided with a second threaded hole matched with the screw rod 66. The motor 65 drives the screw rod 66 to rotate, and the driving block 62 can be driven to move along the axial direction of the screw rod 66 through the cooperation between the screw rod 66 and the second threaded hole, that is, the driving block 62 is driven to move on the guide rail 61, and the rotation angle of the screw rod 66 can be controlled to adjust the travel of the driving block 62, so as to control the rotation angle of the first connecting rod 15, so as to accurately adjust the distance between the support leg 5 and the housing 1, and the moving direction of the driving block 62 can be controlled by changing the rotation direction of the screw rod 66, so as to flexibly adjust the position of the support leg 5.

[0036] like Figure 5 As shown, the housing 1 is provided with a first slide groove 17, the length direction of the first slide groove 17 is parallel to the length direction of the guide rail 61, and the movable plate 63 is provided with a first slider 67 matched with the first slide groove 17, the support leg 5 is provided with a second slide groove 55 parallel to the first slide groove 17, and the limit plate 52 is provided with a second slider 56 matched with the second slide groove 55. The first slide groove 17 arranged on the housing 1 is used to limit the moving direction of the movable plate 63, and the movable plate 63 is provided with a first slider 67 matched with the first slide groove 17 to prevent the slider from deviating from the preset direction when moving; the support leg 5 is provided with a second slide groove 55 parallel to the first slide groove 17, and the limit plate 52 is provided with a second slider 56 matched with the second slide groove 55. The second slider 56 and the second slide groove 55 are matched to guide the limit plate 52 to move on the support leg 5, while avoiding unexpected deviation when the limit plate 52 moves, which is conducive to improving the structural stability of the axle bearing assembly tool.

[0037] In this embodiment, two legs 5 are provided on the housing 1 at intervals, and the legs 5 are respectively provided near opposite sides of the housing 1, and a plurality of anti-skid pads 57 are respectively provided on a side of the legs 5 away from the housing 1. The two legs 5 are provided on the housing 1 and are respectively in contact with the ground to ensure that the axle bearing assembly tool stands stably on the ground, and the anti-skid pads 57 are provided on the legs 5 to increase the friction between the legs 5 and the ground, which can further improve the stability of the axle bearing assembly tool when it stands, and effectively prevent the axle bearing assembly tool from unexpectedly shaking during operation.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A vehicle axle bearing assembly tool, characterized in that: It includes a shell, one end of which is provided with a guide cylinder and the shell is provided with a through hole connected to the guide cylinder, the shell is provided with a movable active rod and a first driving component transmission-connected to the movable rod, a part of the movable rod passes through the through hole and extends into the guide cylinder and the moving direction of the movable rod is consistent with the axial direction of the guide cylinder, one end of the movable rod close to the opening of the guide cylinder is provided with a push head, and the first driving component drives the push head to extend out of the guide cylinder or retract into the guide cylinder; the shell is also provided with a movable support foot and a second driving component transmission-connected to the support foot, the moving direction of the support foot is perpendicular to the moving direction of the movable rod, and the second driving component drives the support foot to approach or move away from the shell.

2. An axle bearing assembly tool as claimed in claim 1, characterized in that: One end of the movable rod close to the opening of the guide cylinder is provided with a guide head, and the guide head is in contact with the inner wall of the guide cylinder.

3. An axle bearing assembly tool as claimed in claim 2, characterized in that: A first threaded hole is provided on the end surface of the guide head at one end close to the opening of the guide cylinder, and a threaded portion is provided at one end of the push head close to the movable rod, and the threaded portion matches the first threaded hole.

4. The axle bearing assembly tool according to claim 1, characterized in that: The first driving assembly includes a cylinder and a telescopic rod arranged at the output end of the cylinder, the telescopic direction of the telescopic rod is consistent with the axial direction of the guide cylinder, and one end of the telescopic rod away from the cylinder cooperates with the movable rod.

5. The axle bearing assembly tool according to claim 4, characterized in that: A mounting plate is provided at one end of the movable rod away from the opening of the guide cylinder, and a mounting portion matching the telescopic rod is provided on the mounting plate. A guide rod is provided on the shell and a guide hole matching the guide rod is provided on the mounting plate. The axial direction of the guide rod is consistent with the telescopic direction of the telescopic rod.

6. The axle bearing assembly tool according to claim 1, characterized in that: The shell is also provided with a hanging rod, and the hanging rod and the supporting feet are respectively located on two opposite sides of the shell, and a hanging block is sleeved on the hanging rod.

7. The axle bearing assembly tool according to claim 1, characterized in that: Two rotatable first connecting rods are symmetrically provided on the shell, and the ends of the first connecting rods away from the shell are respectively rotatably connected to the second connecting rods, and the ends of the second connecting rods away from the first connecting rods are rotatably connected to the support legs. The second driving assembly is respectively transmission-connected to the two first connecting rods and drives the two first connecting rods to rotate so that the ends of the two first connecting rods away from the shell are closer to or farther away from each other, and drives the ends of the two second connecting rods away from the support legs to move closer to or farther away from each other.

8. An axle bearing assembly tool as claimed in claim 7, characterized in that: The second driving assembly includes a guide rail arranged on the shell and a driving block movably arranged on the guide rail, a movable plate is fixedly connected to the driving block, and first racks are respectively provided on opposite sides of the movable plate, and first gears are respectively provided on one end of the first connecting rod rotatably connected to the shell, and the first gears and the first racks are matched one by one; a movable limiting plate is provided on the support foot, and the moving direction of the limiting plate is parallel to the length direction of the guide rail, and second racks are respectively provided on opposite sides of the limiting plate, and second gears are respectively provided on one end of the second connecting rod rotatably connected to the support foot, and the second gears and the second racks are matched one by one.

9. An axle bearing assembly tool as claimed in claim 8, characterized in that: The second driving assembly also includes a motor and a screw rod arranged at the output end of the motor. The screw rod is rotatably arranged on the housing and the axial direction of the screw rod is consistent with the moving direction of the driving block. The driving block is provided with a second threaded hole that matches the screw rod.

10. The axle bearing assembly tool according to claim 8, characterized in that: The shell is provided with a first slide groove, the length direction of the first slide groove is parallel to the length direction of the guide rail, and the movable plate is provided with a first slider matching with the first slide groove, the support foot is provided with a second slide groove parallel to the first slide groove, and the limiting plate is provided with a second slider matching with the second slide groove.

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