Wheel bearing press fitting tool

Abstract

The utility model relates to the technical field of tools, in particular to a wheel bearing press fitting tool. A supporting frame and a power unit are installed on the table top of the workbench, a supporting plate is installed on the supporting frame, an oil cylinder is installed between the supporting frame and the supporting plate, the extending end of the oil cylinder is arranged downwards and extends out of the supporting plate, a positioning seat is arranged below the supporting plate, wheels and bearings are placed on the positioning seat, and the extending end of the oil cylinder directly faces the positioning seat. The power unit is connected with the oil cylinder through an oil pipe. The bearing press-fitting device has the advantages that the structure is simple, the use is convenient, the bearing press-fitting efficiency is improved, meanwhile, the accuracy and the reliability of the press-fitting process of the bearing and the wheel are improved, the larger impact load can be borne, the service life of each related part is prolonged, the forming safety coefficient is improved, and the production cost is reduced. And the abrasion loss of the bearing during long-time operation and high load is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling, in particular to a wheel bearing press-fitting tooling. Background Art

[0002] The wheel bearing of a truck is an important part of the truck. The bearing supports the wheel and the load on the truck, ensuring that the truck can carry the goods stably. It reduces the friction between the wheel and the axle, allowing the wheel to turn smoothly. Reducing friction not only reduces energy loss, but also improves the operating efficiency of the truck. It accurately positions the wheel to ensure the stability and directional control of the truck when it is moving.

[0003] like Figure 1 As shown, during the installation of wheel bearings, the workers directly install them by knocking. The knocking process will affect the accuracy and reliability of the press-fitting process of the bearings and wheels. When running under harsh road conditions, they may be subjected to large impact loads, resulting in damage to the bearings or related components, and even derailment accidents in severe cases, affecting driving safety. At the same time, the bearings will wear or fail due to long-term operation and high loads, which will affect the service life and performance of the transport vehicle and increase operating costs. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in order to solve the problems existing in the prior art in the above-mentioned background technology, a wheel bearing pressing tool is provided which can improve the accuracy and reliability of the pressing process of the bearing and the wheel, can withstand larger impact loads, increase the service life of various related components, and improve the safety factor.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a wheel bearing pressing tool, including a workbench, a support frame and a power unit are installed on the workbench surface, a support plate is installed on the support frame, an oil cylinder is installed between the support frame and the support plate, the extended end of the oil cylinder is set downward and extends out of the support plate, a positioning seat is provided below the support plate, the wheel and the bearing are placed on the positioning seat, the extended end of the oil cylinder is opposite to the positioning seat, and the power unit and the oil cylinder are connected by an oil pipe.

[0006] Furthermore, the power unit includes a motor and an oil tank, one end of the motor is equipped with the oil tank, the motor is connected to the lower end of the oil pipe, and a solenoid valve is installed on the motor.

[0007] Furthermore, a spring is sleeved on the extended end of the oil cylinder, one end of the spring abuts against the oil cylinder, and the other end of the spring abuts against the support plate.

[0008] Furthermore, the positioning seat includes a positioning platform, the upper end surface of the positioning platform is provided with a groove, the bottom surface of the groove is provided with a through hole, a shaft rod is installed in the through hole, and the shaft rod is sequentially sleeved with a first bearing, a wheel and a second bearing from top to bottom.

[0009] Furthermore, a shaft rod is provided on the top surface of the positioning platform, and a first bearing and a wheel are sequentially sleeved on the shaft rod from top to bottom.

[0010] Further, the diameter of the groove is equal to the diameter of the bearing.

[0011] Furthermore, the diameter of the positioning platform is greater than or equal to the diameter of the wheel.

[0012] Furthermore, the diameter of the shaft rod is equal to the diameter of the bearing shaft hole.

[0013] Furthermore, an avoidance hole is provided on the bottom surface of the extended end of the oil cylinder.

[0014] The beneficial effects of the utility model are as follows: the utility model presses the bearing into the axle hole of the wheel through the extended end of the oil cylinder to complete the press-fitting of the bearing, has a simple structure, is easy to use, and improves the efficiency of the press-fitting of the bearing. At the same time, it improves the accuracy and reliability of the press-fitting process of the bearing and the wheel, can withstand greater impact loads, increases the service life of various related components, increases the safety factor, and also reduces the wear of the bearing during long-term operation and high load. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a cross-sectional view of the assembly between the wheel and the bearing;

[0017] Figure 2 It is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0018] Figure 3 It is a partial cross-sectional view of the extension rod of the oil cylinder of the utility model;

[0019] Figure 4 A schematic diagram of the structure of the positioning seat in Example 1;

[0020] Figure 5 It is a schematic diagram of the structure of the positioning seat in Embodiment 2 of the present utility model;

[0021] In the figure: 1. workbench, 2. support frame, 3. power unit, 4. oil cylinder, 5. oil pipe, 6. positioning seat, 7. support plate, 8. spring, 9. motor, 10. oil tank, 11. solenoid valve, 12. positioning table, 13. groove, 14. shaft rod, 15. avoidance hole. DETAILED DESCRIPTION

[0022] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0023] Embodiment 1:

[0024] like Figures 2 to 4 A wheel bearing pressing tool shown in the figure comprises a workbench 1, a support frame 2 and a power unit 3 are installed on the table top of the workbench 1, a support plate 7 is installed on the support frame 2, an oil cylinder 4 is installed between the support frame 2 and the support plate 7, the extended end of the oil cylinder 4 is arranged downward and extends out of the support plate 7, a positioning seat 6 is provided below the support plate 7, a wheel and a bearing are placed on the positioning seat 6, the extended end of the oil cylinder 4 is opposite to the positioning seat 6, and the power unit 3 and the oil cylinder 4 are connected by an oil pipe 5.

[0025] The power unit 3 includes a motor 9 and an oil tank 10 . The oil tank 10 is installed at one end of the motor 9 . The motor 9 is connected to the lower end of the oil pipe 5 . A solenoid valve 11 is installed on the motor 9 .

[0026] A spring 8 is sleeved on the extended end of the oil cylinder 4, which serves as a buffer element for the movement of the telescopic rod of the oil cylinder 4 to reduce the impact when the extension rod of the oil cylinder 4 reaches the end of the formation, thereby protecting the oil cylinder 4. One end of the spring 8 is against the oil cylinder 4, and the other end of the spring 8 is against the support plate 7.

[0027] like Figure 4 As shown, the positioning seat 6 includes a positioning platform 12, the upper end surface of the positioning platform 12 is provided with a groove 13, the bottom surface of the groove 13 is provided with a through hole, a shaft 14 is installed in the through hole, and the shaft 14 is sequentially sleeved with a first bearing, a wheel and a second bearing from top to bottom.

[0028] The diameter of the groove 13 is equal to the diameter of the bearing.

[0029] The diameter of the positioning platform 12 is greater than or equal to the diameter of the wheel.

[0030] The diameter of the shaft 14 is equal to the diameter of the bearing shaft hole.

[0031] like Figure 3 As shown, a avoidance hole 15 is opened on the bottom surface of the extended end of the oil cylinder 4, the diameter of the avoidance hole 15 is greater than or equal to the diameter of the shaft rod 14, and the depth of the avoidance hole 15 is greater than the length from the top surface of the shaft rod 14 to the bottom surface of the groove 13.

[0032] Working process:

[0033] Step 1: Sleeve the first bearing on the shaft 14 and install it in the groove 13, then put the wheel on the shaft 14, and finally put the second bearing on the shaft 14, and the second bearing is located above the wheel;

[0034] Step 2: The oil cylinder 4 is started, the extending end of the oil cylinder 4 extends downward, the upper end of the shaft rod 14 is inserted into the avoidance hole 15, the bottom surface of the extending end of the oil cylinder 4 abuts against the upper surface of the second bearing, and at the same time, the first bearing and the second bearing are pressed into the corresponding axle holes of the wheel, and the cycle is repeated.

[0035] Embodiment 2:

[0036] The difference from Example 1 is that: Figure 5 As shown, a shaft rod 14 is disposed on the top surface of the positioning platform 12, and the shaft rod 14 is sleeved with a first bearing and a wheel in sequence from top to bottom.

[0037] Working process:

[0038] Step 1: Put the wheel on the shaft 14, put the bearing on the shaft 14, and the first bearing is located above the wheel;

[0039] Step 2: The oil cylinder 4 is started, the extended end of the oil cylinder 4 extends downward, the upper end of the shaft rod 14 is inserted into the avoidance hole 15, the bottom surface of the extended end of the oil cylinder 4 abuts against the upper surface of the first bearing, and the first bearing is pressed into the shaft hole corresponding to the wheel;

[0040] Step 3: Turn over the wheel pressed in step 2, and then put it on the shaft rod 14, and then repeat step 2 to press the second bearing into the corresponding shaft hole of the wheel, and repeat this cycle.

[0041] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A wheel bearing press-fitting tool, characterized in that: The invention comprises a workbench (1), a support frame (2) and a power unit (3) are installed on the workbench (1), a support plate (7) is installed on the support frame (2), an oil cylinder (4) is installed between the support frame (2) and the support plate (7), the extended end of the oil cylinder (4) is arranged downward and extends out of the support plate (7), a positioning seat (6) is provided below the support plate (7), a wheel and a bearing are placed on the positioning seat (6), the extended end of the oil cylinder (4) faces the positioning seat (6), and the power unit (3) and the oil cylinder (4) are connected via an oil pipe (5).

2. The wheel bearing press-fitting tool according to claim 1, characterized in that: The power unit (3) comprises a motor (9) and an oil tank (10). The oil tank (10) is installed at one end of the motor (9). The motor (9) is connected to the lower end of the oil pipe (5). A solenoid valve (11) is installed on the motor (9).

3. The wheel bearing press-fitting tool according to claim 1, characterized in that: A spring (8) is sleeved on the protruding end of the oil cylinder (4), one end of the spring (8) abuts against the oil cylinder (4), and the other end of the spring (8) abuts against the support plate (7).

4. The wheel bearing press-fitting tool according to claim 1, characterized in that: The positioning seat (6) comprises a positioning platform (12), the upper end surface of the positioning platform (12) is provided with a groove (13), the bottom surface of the groove (13) is provided with a through hole, a shaft (14) is installed in the through hole, and the shaft (14) is sequentially sleeved with a first bearing, a wheel and a second bearing from top to bottom.

5. The wheel bearing press-fitting tool according to claim 4, characterized in that: A shaft rod (14) is provided on the top surface of the positioning platform (12), and the shaft rod (14) is sleeved with a first bearing and a wheel in sequence from top to bottom.

6. The wheel bearing press-fitting tool according to claim 4, characterized in that: The diameter of the groove (13) is equal to the diameter of the bearing.

7. A wheel bearing press-fitting tool according to claim 4 or 5, characterized in that: The diameter of the positioning platform (12) is greater than or equal to the diameter of the wheel.

8. A wheel bearing press-fitting tool according to claim 4 or 5, characterized in that: The diameter of the shaft rod (14) is equal to the diameter of the bearing shaft hole.

9. The wheel bearing press-fitting tool according to claim 1, characterized in that: The bottom surface of the extended end of the oil cylinder (4) is provided with an avoidance hole (15).

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