CN213081275U

CN213081275U - Multifunctional pulling and poking device

Info

Publication number: CN213081275U
Application number: CN202021907467.1U
Authority: CN
Inventors: 赵青; 邱志璟
Original assignee: Shanghai Rongji Engineering Project Management Co ltd
Current assignee: Shanghai Rongji Engineering Project Management Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-30
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a multi-functional drawing and dialling ware relates to the technical field of bearing structure repair, comprising a frame body, be provided with ejector pin and claw hook on the support body, the claw hook includes movable rod and dog head, movable rod swing joint is on the support body, the dog head is located one side that the support body deviates from the movable rod, the dog head rotates with the movable rod to be connected. Through the structure, the applicability of the multifunctional pulling and poking device is improved.

Description

Multifunctional pulling and poking device

Technical Field

The utility model relates to a technical field that bearing arrangement repaired, in particular to multi-functional drawing and poking device.

Background

There are many interference fit's bearing structure in the life, after these bearing structure used a period, when one of them part need be changed owing to receive environment or improper reason of protection, bearing structure's interference fit makes it be difficult for disassembling, just at this moment need use and pull the plectrum to disassemble bearing structure. A puller is a device that separates a bearing from its mating parts.

At present, the function of the pulling and poking device is single, the common pulling and poking device can only separate the installation mode of one type of bearing, the built-in bearing pulling and poking device can only be suitable for the structure that the bearing is embedded into the bearing seat, and the built-in bearing pulling and poking device can only be suitable for the structure that the bearing is sleeved into the shaft.

However, the applicant believes that the related art described above has low applicability and there is a room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the condition that the applicability is low in the related art, the application provides a multifunctional pulling and poking device.

The application provides a multi-functional drawing and poking device adopts following technical scheme:

the utility model provides a multi-functional drawing and poking device, includes the support body, be provided with ejector pin and claw hook on the support body, the claw hook includes movable rod and dog head, movable rod swing joint is on the support body, the dog head is located the support body and deviates from one side of movable rod, the dog head rotates with the movable rod to be connected.

By adopting the technical scheme, when the inner bearing structure is disassembled, the claw head is rotated to face the inner side of the bearing through the rotary connection of the claw head and the movable rod, then the claw head is extended into the inner ring of the inner bearing through the movable connection of the movable rod and is tightly propped against the bearing, and then the bearing is pulled out through the ejector rod; when disassembling outer bearing structure, be connected with the rotation of movable rod through the claw head and rotate the claw head to the bearing outside facing, then the swing joint through the movable rod supports the claw head tightly on the bearing, then ejecting with the bearing through the ejector pin to reach the multi-purpose effect of a device, improved the adaptability of multi-functional drawing and dialling the ware.

Preferably, one side that the movable rod deviates from the support body is fixed with the mounting bracket, be provided with on the mounting bracket and dodge the groove, the claw head includes dwang and stationary dog, the stationary dog is fixed in the one side that the dwang deviates from the mounting bracket, the dwang is close to one side of movable rod and wears to establish the mounting bracket and probes into to dodging in the groove, just the dwang is located the one end of dodging the groove and is fixed with the block, the length of block is greater than the diameter of dwang.

Through adopting above-mentioned technical scheme, wear to establish the mounting bracket and visit into to dodging in the groove with the dwang to be located the fixed block that blocks of one end of dodging the groove at the dwang, help guaranteeing the stability of dwang when rotating, and help preventing the dwang during operation because the pulling force makes the dwang break away from the mounting bracket.

Preferably, the rotation groove has been seted up on the mounting bracket, it is coaxial with the dwang to rotate the groove, the dwang rotates and follows the axial direction cooperation of sliding in rotation groove with the rotation groove, one side that the block deviates from the movable rod is fixed with the fixed key, the lateral wall of the adjacent dwang of fixed key, the keyway has been seted up along the axial in rotation groove on the inner wall in rotation groove, the keyway is close to the open setting in one side of blocking the block, in the fixed key embedding fixed keyway, just the keyway is being provided with two at the even interval of revoluting the movable groove axis.

Through adopting above-mentioned technical scheme, rotate dwang and rotation groove and the cooperation of sliding to in embedding fixed key the fixed keyway, help guaranteeing the dwang and rotate and the stability that slides, and help guaranteeing the dwang and rotate the stability of back dwang during operation.

Preferably, a protection spring is tightly propped between the blocking block and the movable rod.

By adopting the technical scheme, the blocking block is prevented from colliding with the movable rod during sliding, and the movable rod and the blocking block are protected.

Preferably, one side of the movable rod close to the rotating rod is coaxially provided with a fixed cylinder, one end of the protection spring is positioned in the fixed cylinder, and the fixed cylinder is coaxial with the protection spring.

Through adopting above-mentioned technical scheme, with the one end setting of protection spring in fixed drum, made things convenient for the fixed to protection spring, help guaranteeing protection spring stability at the during operation.

Preferably, one side of the rotating rod, which is far away from the fixed claw, is in threaded connection with one side of the blocking block, which is far away from the movable rod.

Through adopting above-mentioned technical scheme, with dwang and obstruction board threaded connection, help making things convenient for the loading and unloading of dwang and obstruction board to help improving the stability that the obstruction board rotates and slides.

Preferably, be provided with the groove of sliding on the support body, the length direction horizontal perpendicular to movable rod's in groove axis of sliding, the movable rod penetrates the groove of sliding and slides with the groove of sliding and be connected, be provided with the mounting of fixed movable rod on the movable rod.

Through adopting above-mentioned technical scheme, penetrate the groove of sliding and with the groove of sliding and slide and be connected the movable rod to fix the movable rod through the mounting, and then help guaranteeing the movable rod and rotate and the stability of sliding, and help guaranteeing the stability of movable rod at the during operation through the mounting that sets up.

Preferably, the mounting is fixation nut, fixation nut threaded connection has two on the movable rod, and two fixation nut is located the frame respectively and is close to one side of mounting bracket and the frame one side that deviates from the mounting bracket.

Through adopting above-mentioned technical scheme, set up two fixation nut respectively in the frame one side that is close to the mounting bracket and the frame one side that deviates from the mounting bracket, made things convenient for the fixed of movable rod to help guaranteeing the stability of movable rod at the during operation.

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

1. the movable rod is movably connected to the frame body, and the claw head is rotatably connected with the movable rod, so that the effect of multiple purposes of one device is achieved, and the adaptability of the multifunctional pulling and poking device is improved;

2. the rotating rod is matched with the rotating groove in a rotating and sliding mode, and the fixing key is embedded into the fixing key groove, so that the rotating and sliding stability of the rotating rod is guaranteed, and the working stability of the rotating rod after the rotating rod rotates is guaranteed;

3. through sliding the movable rod with the support body and being connected, help making things convenient for the removal of movable rod, promoted the convenience that the movable rod slided, through set up the mounting on the movable rod, help guaranteeing the stability of movable rod at the during operation.

Drawings

FIG. 1 is a schematic axial view of the multi-functional puller of the present embodiment;

FIG. 2 is a schematic view of the sliding structure of the movable rod according to the present embodiment;

FIG. 3 is a schematic view of the present embodiment mainly showing the mounting structure of the fixing nut;

FIG. 4 is a schematic view of the claw head structure of the present embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 4, primarily illustrating the configuration of the key slot;

FIG. 6 is a schematic view of the present embodiment mainly embodying the structure of the fixed key;

fig. 7 is a schematic view mainly showing the mounting structure of the shield spring in the present embodiment.

Reference numerals: 1. a frame body; 11. a sliding groove; 2. a top rod; 4. rotating the handle; 5. a claw hook; 51. a movable rod; 511. fixing a nut; 52. a claw head; 521. rotating the rod; 522. a fixed jaw; 6. a mounting frame; 61. an avoidance groove; 62. a rotating groove; 63. a blocking block; 631. a fixed key; 64. a keyway; 65. a fixed cylinder; 66. a guard spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a multifunctional pulling and poking device. Referring to the attached drawing 1, including support body 1, be provided with ejector pin 2 and claw hook 5 on support body 1, ejector pin 2 is the lead screw, and ejector pin 2 is located the intermediate position of support body 1, and one side that ejector pin 2 deviates from support body 1 is fixed with rotation handle 4, and the length direction of claw hook 5 is on a parallel with the axial of ejector pin 2, and claw hook 5 evenly sets up two at least in a week of support body 1. The claw hook 5 comprises a movable rod 51 and a claw head 52, the movable rod 51 is movably connected to the frame body 1, and the movable rod 51 is positioned on one side of the frame body 1 departing from the rotating handle 4. The claw head 52 is positioned at the side of the frame body 1 facing away from the movable rod 51. One side of the movable rod 51 departing from the frame body 1 is fixed with a mounting frame 6, and the claw head 52 is rotatably connected with the mounting frame 6.

When the inner bearing structure is disassembled, the claw head 52 is rotated to face the inner side of the bearing through the rotary connection of the claw head 52 and the mounting frame 6, then the claw head 52 extends into the inner ring of the inner bearing through the movable connection of the movable rod 51, the claw head 52 is tightly propped against the bearing, and then the bearing is pulled out through the ejector rod 2; when the outer bearing structure is disassembled, the claw head 52 is rotated to face the outer side of the bearing through the rotary connection of the claw head 52 and the mounting frame 6, then the claw head 52 is tightly pressed on the bearing through the movable connection of the movable rod 51, and then the bearing is ejected through the ejector rod 2.

Referring to fig. 2 and 3, a sliding groove 11 is arranged on the frame, the length direction of the sliding groove 11 is horizontally perpendicular to the axis of the movable rod 51, and the movable rod 51 is connected with the sliding groove 11 in a sliding manner. Be provided with fixation nut 511 on the movable rod 51, fixation nut 511 has two on movable rod 51 threaded connection, and two fixation nuts 511 are located the frame respectively and are close to one side of mounting bracket 6 and the frame deviates from one side of mounting bracket 6.

In actual work, a worker loosens the fixing nut 511, located on the side, away from the mounting frame 6, of the rack, so that the movable rod 51 slides on the rack, and the movable rod 51 is fixed by screwing the fixing nut 511 after sliding.

Referring to fig. 4, an avoiding groove 61 is formed in the mounting bracket 6, a rotating groove 62 is further formed in the mounting bracket 6, the rotating groove 62 is located on one side of the mounting bracket 6, which is away from the movable rod 51, and the axial direction of the rotating groove 62 is parallel to the axial direction of the movable rod 51. The claw head 52 comprises a rotating rod 521 and a fixed claw 522, the fixed claw 522 is fixed on one side of the rotating rod 521 departing from the mounting frame 6, one side of the rotating rod 521 close to the movable rod 51 penetrates through the rotating groove 62 and stretches into the avoiding groove 61, and the rotating rod 521 rotates and slides in the rotating groove 62. The blocking block 63 is threadedly coupled to an end of the rotating lever 521 located in the avoiding groove 61, and the length of the blocking block 63 is greater than the diameter of the rotating lever 521.

In practical operation, the rotating rod 521 is firstly rotated and slidably engaged with the rotating groove 62 formed in the mounting bracket 6, and then the end of the rotating rod 521 located in the avoiding groove 61 is screwed with the blocking block 63. The rotating rod 521 is prevented from being separated from the mounting frame 6 in the rotating and sliding processes of the rotating rod 521.

Referring to fig. 5 and 6, a fixed key 631 is fixed to a side of the blocking block 63 facing away from the movable rod 51, a length direction of the fixed key 631 is parallel to an axial direction of the rotating rod 521, and the fixed key 631 is adjacent to a side wall of the rotating rod 521. A key groove 64 is formed on the inner wall of the rotating groove 62 along the axial direction of the rotating groove 62, and one side of the key groove 64 close to the blocking block 63 is open. The fixing key 631 is inserted into the groove of the fixing key 631, and the key grooves 64 are provided at two positions spaced uniformly about the axis of the rotation groove 62.

In actual work, the worker rotates the rotating rod 521 so that the fixing key 631 is embedded in the key groove 64, so as to ensure the stability of the rotating rod 521 during work.

Referring to fig. 7, a fixed cylinder 65 is coaxially disposed on one side of the movable rod 51 close to the rotating rod 521, a protection spring 66 is sleeved in the fixed cylinder 65, an axial direction of the protection spring 66 is parallel to an axial direction of the fixed cylinder 65, and the protection spring 66 is disposed between the blocking block 63 and the movable rod 51 in a propping manner.

In practice, the fixed cylinder 65 is firstly arranged on the movable rod 51, and then the protection spring 66 is arranged through the fixed cylinder 65 and is tightly pressed between the blocking block 63 and the movable rod 51, so as to prevent the blocking block 63 from colliding with the movable rod 51 during rotation and sliding.

The basic principle of the embodiment is as follows: when the inner bearing structure is disassembled, the rotating rod 521 slides towards the direction close to the movable rod 51, the rotating rod 521 compresses the protection spring 66 in the sliding process of the rotating rod 521 to prevent the blocking block 63 from colliding with the movable rod 51 in the sliding process, then the movable rod 51 rotates, then the fixed key 631 is embedded into the key groove 64, so that the fixed claw 522 rotates to face the inner side of the bearing, then the fixed nut 511 is unscrewed to enable the movable rod 51 to slide on the frame body 1, then the claw head 52 extends into the inner ring of the inner bearing, the claw head 52 is abutted against the bearing, then the fixed nut 511 is screwed, and then the bearing is pulled out through the ejector rod 2.

When the outer bearing structure is disassembled, the rotating rod 521 slides towards the direction close to the movable rod 51, the rotating rod 521 compresses the protection spring 66 in the sliding process of the rotating rod 521 to prevent the blocking block 63 from colliding with the movable rod 51 during sliding, then the movable rod 51 rotates, then the fixed key 631 is embedded into the key groove 64, so that the fixed claw 522 rotates to the outer side facing the bearing, then the fixed nut 511 is unscrewed to slide the movable rod 51 on the frame body 1, then the fixed claw 522 is clamped in the outer ring of the bearing, then the fixed nut 511 is screwed, and then the bearing is ejected out through the ejector rod 2.

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 a multi-functional drawing and poking device, includes support body (1), be provided with ejector pin (2) and claw hook (5) on support body (1), its characterized in that: claw hook (5) are including movable rod (51) and claw head (52), movable rod (51) swing joint is on support body (1), claw head (52) are located support body (1) and deviate from one side of movable rod (51), claw head (52) rotate with movable rod (51) and are connected.

2. The multi-functional puller according to claim 1, further comprising: one side that movable rod (51) deviated from support body (1) is fixed with mounting bracket (6), be provided with on mounting bracket (6) and dodge groove (61), dog head (52) are including dwang (521) and stationary dog (522), stationary dog (522) are fixed in the one side that dwang (521) deviated from mounting bracket (6), mounting bracket (6) are worn to establish and are visited to dodge groove (61) in dwang (521) are close to one side of movable rod (51), just dwang (521) are located the one end of dodging groove (61) and are fixed with and block piece (63), the length that blocks piece (63) is greater than the diameter of dwang (521).

3. A multi-functional puller according to claim 2, further comprising: seted up rotation groove (62) on mounting bracket (6), rotation groove (62) are coaxial with dwang (521), dwang (521) with rotate groove (62) and rotate and along the axial direction cooperation of sliding of rotating groove (62), the one side that blocks piece (63) and deviate from movable rod (51) is fixed with fixed key (631), the lateral wall of adjacent dwang (521) of fixed key (631), keyway (64) have been seted up along the axial that rotates groove (62) on the inner wall that rotates groove (62), keyway (64) are close to the open setting in one side that blocks piece (63), fixed key (631) embedding fixed key (631) groove, just keyway (64) are being provided with two at the even interval of revoluting movable groove (62) axis.

4. A multi-functional puller according to claim 3, further comprising: and a protective spring (66) is tightly propped between the blocking block (63) and the movable rod (51).

5. The multi-functional puller according to claim 4, further comprising: one side of the movable rod (51) close to the rotating rod (521) is coaxially provided with a fixed cylinder (65), one end of the protection spring (66) is positioned in the fixed cylinder (65), and the fixed cylinder (65) is coaxial with the protection spring (66).

6. A multi-functional puller according to claim 2, further comprising: one side of the rotating rod (521) departing from the fixed claw (522) is in threaded connection with one side of the blocking block (63) departing from the movable rod (51).

7. The multi-functional puller according to claim 1, further comprising: be provided with groove (11) that slides on support body (1), the length direction horizontal perpendicular to movable rod's (51) axis in groove (11) slides, movable rod (51) penetrate groove (11) that slides and slide with groove (11) that slides and be connected, be provided with the mounting of fixed movable rod (51) on movable rod (51).

8. The multi-functional puller according to claim 7, further comprising: the mounting is fixation nut (511), fixation nut (511) threaded connection has two on movable rod (51), and two fixation nut (511) are located one side that the frame is close to mounting bracket (6) and one side that the frame deviates from mounting bracket (6) respectively.