CN213916952U

CN213916952U - Thrust cone bearing's pressure equipment frock

Info

Publication number: CN213916952U
Application number: CN202021703029.3U
Authority: CN
Inventors: 吴大庆; 丁越峰; 赵永飞; 马卫国
Original assignee: Changshu Meiqiao Automotive Drive System Manufacturing Technology Co ltd
Current assignee: Changshu Meiqiao Automotive Drive System Manufacturing Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-08-10
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a pressure equipment frock of thrust cone bearing relates to bearing technical field, and it is inaccurate to aim at solving the bearing location, leads to the holder of bearing roller to receive the damage, thereby the bearing location is out of level and with by the poor problem that produces the slope of the in-process of leading-in and installation of gear concentricity. Its technical scheme main points are, including by pressure head sleeve under the tooth bearing, by tooth axle centering cover and by pressure head under the tooth bearing, be provided with spring one in the pressure head sleeve under the tooth bearing, spring one is located by pressure head sleeve's under the tooth bearing roof and by between the tooth axle centering cover bottom surface, by the tooth axle centering sheathe in and be equipped with the bearing and by the tooth axle. The bearing is sleeved on the large diameter of the centering sleeve of the toothed shaft and is supported by the lower pressure head of the toothed bearing, the toothed shaft is placed on the small diameter of the upper part of the centering sleeve of the toothed shaft, and the bearing and the toothed shaft are positioned into the same tool shaft, namely the centering sleeve of the toothed shaft, so that the press-fitting concentricity of the bearing and the toothed shaft is ensured, and the zero damage and no clearance after press-fitting in the press-fitting process are ensured.

Description

Thrust cone bearing's pressure equipment frock

Technical Field

The utility model belongs to the technical field of the technique of bearing and specifically relates to a pressure equipment frock of thrust cone bearing is related to.

Background

The bearing for the steering support of the front axle of the automobile comprises a thrust ball bearing, a thrust roller bearing and a damping bearing. The bearing is installed on the steering axle main pin and rotates at a low speed along with the steering of the front wheel. The thrust roller bearing is divided into a tapered roller thrust bearing and a cylindrical roller thrust bearing.

The assembly of the thrust cone bearing inner ring (hereinafter referred to as a bearing) and a driven gear shaft (hereinafter referred to as a driven gear shaft) is interference fit, and the assembly is completed by press mounting of a press. Before press mounting, the bearing inner ring and the center of the shaft need to be completely aligned to ensure that the bearing is smoothly pressed into the shaft, no inclination and damage are caused in the press mounting process, and no gap exists between the end face of the pressed bearing and the bearing seat at the end of the shaft with the teeth. And the retainer of the bearing roller can not be damaged in the whole process of press fitting.

The above prior art solutions have the following drawbacks: the bearing is inaccurately positioned, so that a retainer of a bearing roller is damaged, the bearing is not horizontally positioned and has poor concentricity with a toothed shaft, so that the bearing inclines in the process of guiding and mounting, and finally, a gap exists between a bearing end face pressed into the bearing and a bearing seat face of the toothed shaft end, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure equipment frock of thrust cone bearing, it has the effect of guaranteeing that the bearing location is accurate, reduce pressure equipment in-process bearing damage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a pressure equipment frock of thrust cone bearing, includes by the gear bearing pressure head sleeve down, coaxial setting in by the gear bearing pressure head sleeve down by gear bearing centering cover and the cover locate by the gear bearing pressure head under the gear bearing centering cover outside, by be provided with elasticity direction in the gear bearing pressure head sleeve down and by the gear bearing pressure head sleeve axial unanimous spring one, spring one is located by gear bearing pressure head sleeve's interior roof under and by between the gear bearing centering cover bottom surface, by the gear bearing centering sheathe in the cover be equipped with the bearing and by the gear shaft, the bearing bears on by the gear bearing pressure head's under the top surface.

The utility model discloses further set up to: the outer diameter of the lower pressure head of the toothed bearing is less than or equal to the outer diameter of the inner ring of the bearing.

The utility model discloses further set up to: the outer coaxial lower pressure head mount pad that is provided with of pressure head sleeve is pressed down by the tooth bearing, be provided with elasticity direction and the axial unanimous spring two of pressure head mount pad down on the inner wall of pressure head mount pad down, set up the ring channel that holds spring two on the inner wall of pressure head mount pad down, the outer coaxial clamping ring that is provided with of pressure head sleeve is pressed down by the tooth bearing, the bottom surface and the two tops of spring counterbalance of clamping ring.

The utility model discloses further set up to: the second spring is provided with a plurality of springs.

The utility model discloses further set up to: and the lower pressure head mounting seat is provided with a limiting assembly which enables the second spring to stretch along the axial direction of the second spring.

The utility model discloses further set up to: the limiting assembly comprises a shaft spring sealing plate fixed on the bottom surface of the lower pressure head mounting seat through screws, a limiting core shaft located in the annular groove is arranged on the shaft spring sealing plate, and the limiting core shaft is sleeved with a spring.

The utility model discloses further set up to: the inner bottom wall of the pressure head sleeve is connected with a spring sealing plate for holes, and an elastic check ring is connected between the spring sealing plate for holes and the pressure head sleeve under the toothed bearing.

The utility model discloses further set up to: the top surface of the pressure head sleeve under the toothed bearing is connected with a pressure head outer sleeve under the toothed bearing, and the pressure head under the toothed bearing is positioned between the pressure head outer sleeve under the toothed bearing and the centering sleeve of the toothed shaft.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the centering sleeve of the toothed shaft, the bearing is sleeved on the large diameter of the centering sleeve of the toothed shaft and is supported by the lower pressure head of the toothed bearing, then the toothed shaft is placed on the small diameter of the upper part of the centering sleeve of the toothed shaft, and the bearing and the toothed shaft are positioned into the same tooling shaft, namely the centering sleeve of the toothed shaft, so that the press-fitting concentricity of the bearing and the toothed shaft is ensured, and the zero damage and no clearance after press-fitting in the press-fitting process are ensured;

2. through the arrangement that the outer diameter of the lower pressure head of the toothed bearing is less than or equal to the outer diameter of the inner ring of the bearing, the bearing is guaranteed to be only the inner ring of the bearing at the stress point in the press fitting process, and therefore the bearing roller retainer is guaranteed not to be damaged.

Drawings

Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention.

In the figure, 1, a pressure head sleeve is supported by a gear; 11. a first spring; 12. pressing a ring; 2. the holes are sealed by springs; 21. a circlip; 3. a spring seal plate for the shaft; 4. a lower pressure head mounting base; 41. a second spring;

42. an annular groove; 5. a limiting mandrel; 6. a centering sleeve of the toothed shaft; 7. a lower pressure head is supported by the gear; 71. the lower pressure head is sleeved by a gear bearing; 8. a bearing; 9. a toothed shaft.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, for the utility model discloses a pressure equipment frock of thrust cone bearing, include by pressure head sleeve 1 under the tooth bearing, coaxial setting in by tooth bearing pressure head sleeve 1 down by tooth shaft centering cover 6, and the cover locate by tooth shaft centering cover 6 outer by tooth bearing pressure head 7 down, by being provided with elasticity direction in the pressure head sleeve 1 under the tooth bearing and by pressure head sleeve 1 axial unanimous spring 11 under the tooth bearing, spring 11 is located by tooth bearing pressure head sleeve 1's interior roof and by between the 6 bottom surfaces of tooth shaft centering cover, by being connected with porose spring seal board 2 under the tooth bearing on pressure head sleeve 1's the interior diapire, hole is connected with circlip 21 with by tooth bearing pressure head sleeve 1 down between. Before press mounting, a lower pressure head sleeve 1 of a toothed bearing and a hole spring seal plate 2 are installed on a base of a press mounting table.

Referring to fig. 1 and 2, the bearing 8 is fitted to the large diameter of the toothed shaft centering sleeve 6 and supported by the lower ram 7 of the toothed bearing, and the toothed shaft 9 is placed on the upper small diameter of the toothed shaft centering sleeve 6. The upper press acts on the upper end of the driven gear shaft 9, the driven gear shaft 9 and the driven gear shaft centering sleeve 6 compress the first spring 11 to move downwards, the bearing 8 is supported by the driven gear bearing lower pressure head 7 and is connected with the driven gear bearing lower pressure head sleeve 1 to be kept static, and therefore the driven gear shaft 9 is used for pressing and assembling the bearing. The bearing 8 and the driven gear shaft 9 are positioned as the same tool shaft, namely the driven gear shaft centering sleeve 6, so that the press-fitting concentricity of the bearing and the driven gear shaft is ensured, and the damage and the clearance after the press-fitting are ensured in the press-fitting process. The top surface of the toothed bearing lower pressure head sleeve 1 is connected with a toothed bearing lower pressure head outer sleeve 71, and the toothed bearing lower pressure head 7 is positioned between the toothed bearing lower pressure head outer sleeve 71 and the toothed shaft centering sleeve 6. The outer diameter of the lower pressure head 7 of the toothed bearing is less than or equal to the outer diameter of the inner ring of the bearing 8, so that the bearing 8 is guaranteed to be only the inner ring of the bearing 8 at the stress point in the press fitting process, and the bearing roller retainer is guaranteed not to be damaged.

Referring to fig. 1 and 2, a lower pressure head mounting seat 4 is coaxially arranged outside the lower pressure head sleeve 1 of the toothed bearing, a second spring 41 with an elastic direction consistent with the axial direction of the lower pressure head mounting seat 4 is arranged on the inner wall of the lower pressure head mounting seat 4, and in the embodiment, two springs 41 are symmetrically arranged. An annular groove 42 for accommodating the second spring 41 is formed in the inner wall of the lower pressure head mounting seat 4, a pressure ring 12 is coaxially arranged outside the lower pressure head sleeve 1 of the gear bearing, and the bottom surface of the pressure ring 12 abuts against the top end of the second spring 41. The toothed shaft 9 and the toothed shaft centering sleeve 6 compress the first spring 11 to move downwards until the toothed shaft 9 abuts against the bearing 8, the lower pressure head sleeve 1 of the toothed bearing is pressed downwards, and the pressing ring 12 compresses the second spring 41, so that the assembly is completed. After the acting force of the press is removed, the first spring 11 is restored and ascends by the gear shaft centering sleeve 6, and the pressing ring 12 is driven to ascend, so that the top surface of the pressing ring abuts against the inner top wall of the annular groove 42, and the pressing head sleeve 1 under the gear bearing is limited to continuously float upwards.

Referring to fig. 1 and 2, the lower pressure head mounting seat 4 is provided with a limiting assembly for extending and retracting the second spring 41 along the axial direction thereof. The limiting assembly comprises a shaft spring seal plate 3 fixed on the bottom surface of the lower pressure head mounting seat 4 through screws, a limiting mandrel 5 located in the annular groove 42 is arranged on the shaft spring seal plate 3, and the limiting mandrel 5 is sleeved with a second spring 41. The second spring 41 moves along the limiting mandrel 5 all the time when stretching and retracting, and deformation is not easy to generate.

The implementation principle of the embodiment is as follows: the upper press acts on the upper end of the driven gear shaft 9, the driven gear shaft 9 and the driven gear shaft centering sleeve 6 compress the first spring 11 to move downwards, the bearing 8 is supported by the driven gear bearing lower pressure head 7 and is connected with the driven gear bearing lower pressure head sleeve 1 to be kept static, and therefore the driven gear shaft 9 is used for pressing and assembling the bearing. The bearing 8 and the driven gear shaft 9 are positioned as the same tool shaft, namely the driven gear shaft centering sleeve 6, so that the press-fitting concentricity of the bearing and the driven gear shaft is ensured, and the damage and the clearance after the press-fitting are ensured in the press-fitting process.

The toothed shaft 9 and the toothed shaft centering sleeve 6 compress the first spring 11 to move downwards until the toothed shaft 9 abuts against the bearing 8, the lower pressure head sleeve 1 of the toothed bearing is pressed downwards, and the pressing ring 12 compresses the second spring 41 downwards, so that the assembly is completed. After the acting force of the press is removed, the first spring 11 is restored and ascends by the gear shaft centering sleeve 6, and the pressing ring 12 is driven to ascend, so that the top surface of the pressing ring abuts against the inner top wall of the annular groove 42, and the pressing head sleeve 1 under the gear bearing is limited to continuously float upwards.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a thrust cone bearing's pressure equipment frock which characterized in that: including by gear bearing pressure head sleeve (1), coaxial setting in by gear bearing pressure head sleeve (1) down by gear bearing centering cover (6) and overlap locate by gear bearing pressure head (7) under pressure head sleeve (6) outer, be provided with elasticity direction in pressure head sleeve (1) under by gear bearing and by gear bearing pressure head sleeve (1) axial unanimous spring one (11), spring one (11) are located by gear bearing pressure head sleeve (1) down the interior roof and by gear bearing centering cover (6) bottom surface between, by gear bearing centering cover (6) go up the cover be equipped with bearing (8) and by gear shaft (9), bearing (8) bear on by gear bearing pressure head (7) down the top surface.

2. The press fitting tool for the thrust cone bearing according to claim 1, wherein: the outer diameter of the lower pressure head (7) of the toothed bearing is less than or equal to the outer diameter of the inner ring of the bearing (8).

3. The press fitting tool for the thrust cone bearing according to claim 1, wherein: by pressure head mount pad (4) under the outer coaxial being provided with of gear bearing pressure head sleeve (1), be provided with two (41) of elasticity direction and the unanimous spring of pressure head mount pad (4) axial down on the inner wall of pressure head mount pad (4) down, set up ring channel (42) that hold two (41) of spring down on the inner wall of pressure head mount pad (4), pressure head sleeve (1) outer coaxial being provided with clamping ring (12) under by the gear bearing, the bottom surface and two (41) tops of spring of clamping ring (12) offset.

4. The thrust cone bearing press-fitting tool according to claim 3, wherein: the second spring (41) is provided with a plurality of springs.

5. The thrust cone bearing press-fitting tool according to claim 3, wherein: and a limiting assembly which enables the second spring (41) to stretch along the axial direction of the second spring is arranged on the lower pressure head mounting seat (4).

6. A thrust cone bearing's pressure equipment frock of claim 5, characterized in that: spacing subassembly includes for the axle spring shrouding (3) of fix with screw on pressure head mount pad (4) bottom surface down, be provided with spacing dabber (5) that are located ring channel (42) on for the axle spring shrouding (3), spacing dabber (5) are located to spring two (41) cover.

7. The press fitting tool for the thrust cone bearing according to claim 1, wherein: the inner bottom wall of the pressure head sleeve (1) is connected with a spring sealing plate (2) for holes, and an elastic retainer ring (21) is connected between the spring sealing plate (2) for holes and the pressure head sleeve (1) under the toothed bearing.

8. The press fitting tool for the thrust cone bearing according to claim 1, wherein: the top surface of the pressure head sleeve (1) is connected with a pressure head outer sleeve (71) under the toothed bearing, and the pressure head (7) under the toothed bearing is positioned between the pressure head outer sleeve (71) and the centering sleeve (6).