CN214771792U

CN214771792U - Telescopic bearing ejection tool

Info

Publication number: CN214771792U
Application number: CN202120156692.4U
Authority: CN
Inventors: 范恩玺; 李彬彬; 赵宏伟; 李成新
Original assignee: Beijing Kailan Aircraft Maintenance Engineering Co ltd
Current assignee: Beijing Kailan Aircraft Maintenance Engineering Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-19
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to an ejecting frock of telescopic bearing, including the fixed disk, the one side that is located the fixed disk is provided with the slide bar, is located one side of fixed disk is provided with the sliding tray, is located the sliding tray for first spout has been seted up to the position of slide bar, the slide bar is located the inside of first spout, and sliding connection between slide bar and the first spout. This application has and makes the apical axis more even to the power of exerting of bearing to reduce the effect that the bearing produced the deformation.

Description

Telescopic bearing ejection tool

Technical Field

The application relates to the field of bearing disassembly tools, in particular to a telescopic bearing ejection tool.

Background

In mechanical equipment, a bearing is used for supporting and mounting a shaft part, and the bearing and the shaft part are often mounted in an interference fit manner. In the prior art, the bearing is generally taken out by adopting a direct knocking or heating mode, and a hydraulic press is generally adopted to apply pressure to a top shaft on the bearing for a larger bearing part, so that the bearing is taken out through the top shaft.

In view of the above-mentioned related art, the inventor thinks that the top shaft with a small area is directly pushed against the center of the bearing, and the joint between the bearing and the retainer ring for clamping the bearing inside the bearing seat is located on the outer ring of the bearing, so as to apply pressure toward the center, which easily causes the bearing to deform and even damage the bearing.

SUMMERY OF THE UTILITY MODEL

In order to make the apical axis more even to the power of applying to the bearing to reduce the possibility that the bearing produced the deformation, this application provides a telescopic bearing ejecting frock.

The application provides a pair of telescopic bearing ejection tool adopts following technical scheme:

the utility model provides a telescopic bearing ejection tooling, is provided with the slide bar including the fixed disk, the one side that is located the fixed disk, is located one side of fixed disk is provided with the sliding tray, is located the sliding tray for the first spout has been seted up to the position of slide bar, the slide bar is located the inside of first spout, and sliding connection between slide bar and the first spout.

Through adopting above-mentioned technical scheme, through the fixed disk with can with fixed disk sliding connection's slip dish to make when fixed disk and slip dish looks butt, can stretch into the inside of bearing frame with fixed disk and slip dish, thereby make looks butt between fixed disk and the slip dish and the bearing, then remove one side that fixed disk and slip dish orientation deviate from relatively, make the apical axis more even to the force of applying of bearing, thereby reduce the possibility that the bearing produced the deformation.

Optionally, a guide rod arranged in parallel with the axis of the sliding rod is arranged on one side of the sliding rod, the guide rod is connected with the fixed disk, a second sliding groove is formed in the position, corresponding to the guide rod, of the sliding disk, and the guide rod is located inside the second sliding groove and slides relatively.

Through adopting above-mentioned technical scheme, thereby when making slip dish and fixed disk relatively slide through the guide bar, difficult emergence is rotated to make the hookup location between fixed disk, slip dish and the bearing more steady.

Optionally, a clamping disc is arranged at one end of the sliding rod or the guide rod, which is away from the fixed disc, the diameter of the clamping disc is larger than that of the sliding rod or the guide rod, a clamping groove is formed in the sliding disc, which is opposite to the clamping disc, the length of the clamping groove is smaller than that of the first sliding groove, and the clamping disc is located in the clamping groove and slides relatively.

Through adopting above-mentioned technical scheme, through the joint of solid dish of card and spout to make the sliding tray break away from on can not the slide bar, thereby make operating personnel be convenient for operate, thereby reduce because the problem of sliding-out on the slide bar of sliding tray.

Optionally, sunken grooves are formed in the upper surfaces of the fixed disc and the sliding disc.

Through adopting above-mentioned technical scheme, thereby make the apical axis can block in the inside of sinking the groove through sinking the groove to when making the hydraulic press exert pressure to the apical axis, reduce the apical axis and produce the condition of the skew of skidding on the surface of fixed disk and sliding disk, thereby be convenient for operating personnel's operation, and strengthened the security of operation.

Optionally, pull rods are respectively arranged on the upper surfaces of the fixed disc and the sliding disc.

Through adopting above-mentioned technical scheme, thereby make operating personnel be convenient for carry out the removal relative or back on the back mutually to fixed disk and slip dish through the pull rod to operating personnel in the outside of bearing frame of being convenient for operates.

Optionally, the pull rod gradually inclines towards the opposite side from the side close to the fixed disk and the sliding disk to the side far away from the fixed disk and the sliding disk.

Through adopting above-mentioned technical scheme, through deviating from the pull rod that the slope set up relatively to when making the hydraulic press exert pressure to the apical axis, can reduce the possibility of the collision between apical axis and the pull rod, thereby increased the security of construction.

Optionally, two ends of the long shaft on the fixed disc and the sliding disc are respectively provided with a cutting section.

Through adopting above-mentioned technical scheme, thereby can reduce the possibility that bumps when stationary blade and sliding disk stretch into the bearing frame inside through cutting the section to reduce the damage that causes the bearing frame.

Optionally, a first spring hole and a second spring hole are respectively formed in the opposite side of the fixed disc and the sliding disc, and an elastic piece is horizontally arranged in the first spring hole and the second spring hole.

Through adopting above-mentioned technical scheme, can promote the fixed disk and the one side that the slip dish orientation deviates from relatively through first spring to make operating personnel put the fixed disk on the bearing with removing the dish, the fixed disk can open with removing the dish automatically, thereby the operating personnel's of being convenient for operation.

Optionally, the side wall opposite to the fixed disc and the sliding disc is provided with a locking structure, the locking structure comprises a locking plate connected to the fixed disc in a sliding manner, an elastic piece is arranged above the locking plate, and the sliding disc is provided with a locking groove relative to the locking plate.

Through adopting above-mentioned technical scheme, can lock the fixed disk with removing the dish through lockplate to make the fixed disk can laminate relatively when not using with removing the dish, thereby be convenient for accomodate, when using, can break away from fixed disk and locking dish with lockplate rebound, thereby remove the direction that fixed disk and locking dish orientation deviate from relatively through first spring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the fixed disk and can with fixed disk sliding connection's slip dish to make when fixed disk and slip dish looks butt, can stretch into the inside of bearing frame with fixed disk and slip dish, thereby make looks butt between fixed disk and slip dish and the bearing, then remove one side that fixed disk and slip dish orientation deviate from relatively, make the apical axis exert the force more even to the bearing, thereby reduce the possibility that the bearing produced the deformation.

2. Through the joint of the clamping disc and the sliding groove, the sliding disc can not be separated from the sliding rod, so that an operator can operate the sliding disc conveniently, and the problem that the sliding disc slides out of the sliding rod is reduced.

3. Thereby make the apical axis can block in the inside of heavy groove through sinking the groove to when making the hydraulic press to exert pressure to the apical axis, reduce the apical axis and produce the condition of skew of skidding on the surface of fixed disk and slip dish, thereby be convenient for operating personnel's operation, and strengthened the security of operation.

Drawings

Fig. 1 is a schematic overall structural diagram of a retracted state of a telescopic bearing ejection tool in embodiment 1 of the present application;

fig. 2 is a schematic cross-sectional structure view of a first sliding groove of a telescopic bearing ejection tooling in embodiment 1 of the present application;

fig. 3 is a schematic cross-sectional view of a second chute of the telescopic bearing ejection tooling in embodiment 1 of the present application;

fig. 4 is a schematic overall structure diagram of an open state of a telescopic bearing ejection tool in embodiment 1 of the present application;

fig. 5 is a right-side schematic view of a telescopic bearing ejection tool in embodiment 2 of the present application in a retracted state as a whole;

fig. 6 is a schematic left side view of the retractable bearing ejection tool in embodiment 2 of the present application in a retracted state

Fig. 7 is a cross-sectional view of a telescopic bearing ejection tool in embodiment 2 of the present application.

Description of reference numerals: 1. fixing the disc; 11. a slide bar; 111. a first chuck plate; 12. a guide bar; 121. a second chuck plate; 13. a first pull rod; 14. sinking the tank; 15. a first spring hole; 16. a first spring; 17. an accommodation hole; 171. a communicating hole; 172. moving the hole; 18. a locking plate; 181. a sliding block; 182. a locking block; 183. connecting blocks; 19. a second spring; 2. a sliding disk; 21. a first chute; 22. a second chute; 23. a first clamping groove; 231. a first clamping table; 24. a second clamping groove; 241. a second clamping table; 25. a second pull rod; 26. a second spring hole; 27. a locking groove; 271. a clamping table; 3. and cutting the section.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses telescopic bearing ejection tooling.

In the case of the example 1, the following examples are given,

referring to fig. 1, the telescopic bearing ejection tooling comprises a fixed disk 1 which is horizontally arranged, wherein one side of the fixed disk 1 is a vertical side wall, the other side of the fixed disk is a circular arc-shaped side wall, and the diameter of an arc line of the circular arc-shaped side wall is the same as that of a bearing.

One side that is located fixed disk 1 is provided with slide plate 2, and the shape of slide plate 2 is the mirror image setting with the lateral wall of the vertical setting of fixed disk 1 with the shape of fixed disk 1.

The lateral wall that is the pitch arc that is located fixed disk 1 and sliding disk 2 is for cutting section 3 with the crossing position of the lateral wall that is vertical setting, and cuts section 3 and fixed disk 1, the lateral wall of the vertical setting of sliding disk 2 is perpendicular setting to thereby make the inside of putting into the bearing frame that fixed disk 1 and sliding disk 2 are easier through cutting section 3, thereby make operating personnel can reduce the damage that fixed disk 1 and sliding disk 2 caused because the mistake is touched the bearing frame.

A sliding rod 11 is horizontally arranged on one side of the vertical side wall of the fixed disk 1, and the sliding rod 11 is fixedly connected with the fixed disk 1. A guide rod 12 is arranged on one side of the sliding rod 11, the axis of the guide rod 12 is parallel to the axis of the sliding rod 11, and the sliding rod 11 is fixedly connected with the fixed disk 1.

Referring to fig. 2 and 3, a first sliding groove 21 is formed in a position of the sliding disc 2 corresponding to the sliding rod 11, the first sliding groove 21 is of a cylindrical structure, a diameter of the first sliding groove 21 is the same as a diameter of the sliding rod 11, and the first sliding groove 21 and the sliding rod 11 are coaxially disposed, so that the sliding rod 11 extends into the first sliding groove 21, and the sliding rod 11 is slidably connected with the first sliding groove 21.

The position of the sliding disk 2 relative to the guide rod 12 is provided with a second sliding chute 22, the second sliding chute 22 is of a cylindrical structure, the diameter of the second sliding chute 22 is the same as that of the guide rod 21, and the second sliding chute 22 and the guide rod 12 are coaxially arranged, so that the guide rod 12 extends into the second sliding chute 22, and the guide rod 12 is in sliding connection with the second sliding chute 22.

A first clamping disc 111 is coaxially arranged at one end of the sliding rod 11, which is far away from the fixed disc 1, the first clamping disc 111 is fixedly connected with the sliding rod 11, and the diameter of the first clamping disc 111 is larger than that of the sliding rod 11.

The sliding plate 2 is located at a position where the first sliding groove 21 is formed, a first clamping groove 23 is coaxially formed in one end, deviating from the fixed plate 1, of the sliding plate 2, the diameter of the first clamping groove 23 is the same as that of the first clamping plate 111, and a first clamping platform 231 for clamping is formed between the first sliding groove 21 and the first clamping groove 23, which are different in diameter and coaxially arranged, so that the sliding plate 2 moves towards one side, deviating from the fixed plate 1, and when the first clamping plate 111 abuts against the first clamping platform 231, the sliding plate 2 cannot move towards one side, deviating from the fixed plate 1, so that the sliding plate 2 is prevented from being separated from the sliding rod 11.

A second clamping disc 121 is coaxially arranged at one end of the guide rod 12, which is far away from the fixed disc 1, the second clamping disc 121 is fixedly connected with the guide rod 12, and the diameter of the second clamping disc 121 is larger than that of the guide rod 12.

The sliding disc 2 is provided with a second sliding groove 22, one end of the sliding disc 2 departing from the fixed disc 1 is coaxially provided with a second clamping groove 24, the diameter of the second clamping groove 24 is the same as that of the second clamping disc 121, and the length of the second clamping groove 24 is the same as that of the first clamping groove 23, so that a second clamping table 241 for clamping is formed between the second sliding groove 22 and the second clamping groove 24 which are different in diameter and coaxially arranged, and the sliding disc 2 moves towards one side departing from the fixed disc 1.

Referring to fig. 1 and 4, a first pull rod 13 is vertically arranged on the upper surface of the fixed disk 1, and the first pull rod 13 is fixedly connected with the fixed disk 1. A second pull rod 25 is vertically arranged on the upper surface of the sliding disk 2, and the second pull rod 25 is fixedly connected with the sliding disk 2. And the first pull rod 13 and the second pull rod 25 are inclined toward the side facing away from each other along the height direction from bottom to top.

When the first clamping and fixing table 231 abuts against the first clamping and fixing disc 111, a sunken groove 14 with the same diameter as the top shaft is formed in the upper surfaces of the fixed disc 1 and the sliding disc 2, and the circle center of the sunken groove 14 is located at the center of a connecting line between the first pull rod 13 and the second pull rod 25, so that the top shaft can be clamped in the sunken groove 14 through the sunken groove 14, and the possibility of slip deviation is reduced when the hydraulic machine applies pressure to the top shaft.

The implementation principle of the telescopic bearing ejection tool in embodiment 1 of the application is as follows: through the relative butt of fixed disk 1 and the vertical lateral wall of slip dish 2, thereby stretch into the inside of the retaining ring of bearing frame with fixed disk 1 and slip dish 2, thereby make between fixed disk 1 and slip dish 2 and the bearing relative butt, move one side that deviates from relatively through operating personnel with first pull rod 13 and second pull rod 25 orientation, thereby move one side of deviating from relatively with fixed disk 1 and removal dish orientation, thereby make the increase apical axis exert pressure area to the bearing, thereby reduce the apical axis and exert the damage that pressure caused to the bearing.

In the case of the example 2, the following examples are given,

referring to fig. 5 and 6, the difference between this embodiment and embodiment 1 is that first spring holes 15 are respectively formed in the side wall of the fixed disk 1 near the sliding disk 2 and on the two sides of the sliding rod 11 and the guide rod 12 facing away from each other, the first spring holes 15 are horizontally disposed, second spring holes 26 are formed in the side wall of the sliding disk 2 near the fixed disk 1 and opposite to the first spring holes 15, and the first spring holes 15 and the second spring holes 26 are coaxially disposed.

The first spring 16 is horizontally arranged inside the first spring hole 15 and the second spring hole 26, one end of the first spring 16 is fixedly connected with the bottom of the first spring hole 15, and the other end of the first spring 16 is fixedly connected with the spring hole of the second spring 19.

Referring to fig. 6 and 7, a receiving hole 17 is formed in a side wall of the fixed disk 1 close to the sliding disk 2, the receiving hole 17 includes a horizontally formed communication hole 171 and a vertically formed moving hole 172 located on a side of the communication hole 171 away from the sliding disk 2, the moving hole 172 penetrates through a bottom wall of the fixed plate, and the communication hole 171 is communicated with the moving hole 172.

The locking plate 18 is slidably connected to the inside of the accommodating hole 17, the locking plate 18 comprises a vertically arranged sliding block 181, a vertically arranged locking block 182 and a connecting block 183 which horizontally connects the top ends of the sliding block 181 and the locking block 182, the sliding block 181, the locking block 182 and the connecting block 183 are of an integral structure, and the height of the sliding block 181 in the vertical direction is higher than that of the connecting block 183 in the vertical direction.

The sliding block 181 is located inside the moving hole 172 and is connected to the moving hole 172 in a relatively vertical sliding manner, and the sliding block 181 extends out from the lower side of the moving hole 172, so that the sliding block 181 extends out from the lower surface of the fixed plate 1. The second spring 19 is vertically arranged above the sliding block 181, the top end of the second spring 19 is fixedly connected with the fixed disc 1, and the bottom end of the second spring 19 is fixedly connected with the sliding block 181. The connecting block 183 is located inside the communication hole 171, and the connecting block 183 is slidably connected to the fixed disk 1.

When the second spring 19 is in a free state, the bottom end of the sliding block 181 is positioned outside the lower surface of the stationary plate 1, and when the stationary plate 1 is in contact with the bearing, thereby compressing the second spring 19, so that the sliding block 181 is retracted into the inside of the moving hole 172.

Referring to fig. 5 and 7, a locking groove 27 is formed at a position of a side wall of the sliding plate 2 near the fixed plate 1, which is opposite to the receiving hole 17, and the locking groove 27 has an inverted L-shaped structure, so that a locking platform 271 for locking is formed at the position of the sliding plate 2 through the locking groove 27.

When the locking block 182 is inserted into the inside of the locking groove 27, the second spring 19 pushes the locking plate 18 to move downward, thereby clamping the locking block 182 with the clamping table 271, so that the fixed platter 1 and the sliding platter 2 can be relatively fixed.

After the fixed disk 1 is contacted with the bearing, the second spring 19 is compressed, so that the locking plate 18 moves upwards, the locking block 182 is disengaged from the clamping table 271, and the first spring 16 pushes the fixed disk 1 and the sliding disk 2 to move towards the opposite direction, so that the fixed disk 1 and the sliding disk 2 are opened.

The implementation principle of the telescopic bearing ejection tool in embodiment 2 of the application is as follows: when the fixed disk 1 and the sliding disk 2 are in relative contact, the locking block 182 extends into the locking block 182, so that the locking block 182 is relatively clamped with the clamping platform 271, and the fixed disk 1 and the sliding disk 2 are relatively fixed. When the sliding block 181 moves upward, the second spring 19 is compressed, and the locking block 182 disengages from the catching table 271, so that the locking block 182 can protrude from the inside of the locking groove 27, so that the first spring 16 pushes the fixed tray 1 and the sliding tray 2 to move toward the side facing away from each other.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ejecting frock of telescopic bearing which characterized in that: including fixed disk (1), one side that is located fixed disk (1) is provided with slide bar (11), is located one side of fixed disk (1) is provided with slide plate (2), is located slide plate (2) for first spout (21) have been seted up to the position of slide bar (11), slide bar (11) are located the inside of first spout (21), and sliding connection between slide bar (11) and first spout (21).

2. The telescopic bearing ejection tool according to claim 1, characterized in that: the sliding plate is characterized in that a guide rod (12) parallel to the axis of the sliding rod (11) is arranged on one side of the sliding rod (11), the guide rod (12) is connected with the fixed plate (1), a second sliding groove (22) is formed in the position, corresponding to the guide rod (12), of the sliding plate (2), and the guide rod (12) is located inside the second sliding groove (22) and slides relatively.

3. The telescopic bearing ejection tool according to claim 2, characterized in that: a clamping disc is arranged at one end, away from the fixed disc (1), of the sliding rod (11) or the guide rod (12), the diameter of the clamping disc is larger than that of the sliding rod (11) or the guide rod (12) where the clamping disc is located, a clamping groove is formed in the sliding disc (2) relative to the clamping disc, the length of the clamping groove is smaller than that of the first sliding groove (21), and the clamping disc is located in the clamping groove and slides relative to the clamping groove.

4. The telescopic bearing ejection tool according to claim 1, characterized in that: and the upper surfaces of the fixed disc (1) and the sliding disc (2) are provided with sinking grooves (14).

5. The telescopic bearing ejection tool according to claim 1, characterized in that: and pull rods are respectively arranged on the upper surfaces of the fixed disc (1) and the sliding disc (2).

6. The telescopic bearing ejection tool according to claim 5, characterized in that: the pull rod gradually inclines towards one side which is relatively deviated from one side which is close to the fixed disc (1) and the sliding disc (2) to one side which is far away from the fixed disc (1) and the sliding disc (2).

7. The telescopic bearing ejection tool according to claim 1, characterized in that: the two ends of the long shaft positioned on the fixed disc (1) and the sliding disc (2) are respectively provided with a cutting section (3).

8. The telescopic bearing ejection tool according to claim 1, characterized in that: a first spring hole (15) and a second spring hole (26) are respectively formed in one side, opposite to the fixed disc (1) and the sliding disc (2), of the sliding disc, and elastic pieces are horizontally arranged in the first spring hole (15) and the second spring hole (26).

9. The telescopic bearing ejection tool according to claim 8, characterized in that: be located fixed disk (1) with the relative lateral wall of sliding disk (2) is provided with locking structure, and locking structure is including sliding connection lockplate (18) on fixed disk (1), is located the top of lockplate (18) is provided with the elastic component, is located locking groove (27) have been seted up for the position of lockplate (18) in sliding disk (2).