CN215701379U

CN215701379U - Pin dismounting device

Info

Publication number: CN215701379U
Application number: CN202122028764.XU
Authority: CN
Inventors: 彭锐; 石琦; 袁庆超; 赵映祥; 张显涛
Original assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-01
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a pin disassembling device, which belongs to the technical field of mechanical assembly and comprises a supporting part, a clamping part and a moving part, wherein the clamping part comprises two clamping jaws which are oppositely arranged, the distance between the two clamping jaws is adjustable, and the two clamping jaws can move along the radial direction of a pin to clamp the pin; one end of the moving part is connected with the clamping part, the other end of the moving part is connected with the supporting part, and the moving part can drive the clamping part to move along the axial direction of the pin. When the clamping device is used, the supporting part is supported on the surface of a product, the clamping part is driven to move along the axial direction of the pin through the moving part, the two clamping jaws are located on two sides of the pin, the distance between the two clamping jaws is adjusted to enable the two clamping jaws to move along the radial direction of the pin to clamp the pin, the clamping part is driven to move along the axial direction of the pin through the moving part, the pin is driven to move out of a pin hole through the clamping part, the pin is dismounted, time consumption is short, labor intensity is low, and the fact that a connected piece is not damaged is protected.

Description

Pin dismounting device

Technical Field

The utility model relates to the technical field of mechanical assembly, in particular to a pin disassembling device.

Background

During the mechanical assembly process, pins are often used to connect the components. In the aircraft assembly field, need hang through pin and aircraft when the engine installation and be connected, because the maintenance of engine is more frequent, need dismantle the pin when the engine is reprocessed.

If the locking pliers tool is adopted to forcibly pull out the pin, great effort is needed to be spent, the pin is not easy to pull out, and the surface of the engine is easily abraded in the detaching process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pin disassembling device to solve the technical problems that in the prior art, the pin is difficult to disassemble, the time and labor are wasted, and a connected piece is easy to damage.

As the conception, the technical scheme adopted by the utility model is as follows:

a pin remover, comprising:

a support portion;

the clamping part comprises two oppositely arranged clamping jaws, the distance between the two clamping jaws is adjustable, and the two clamping jaws can move along the radial direction of the pin to clamp the pin;

and one end of the moving part is connected with the clamping part, the other end of the moving part is connected with the supporting part, and the moving part can drive the clamping part to move along the axial direction of the pin.

The clamping part further comprises a screw and an adjusting nut in threaded connection with the screw, the clamping jaws are sleeved on the screw in a sliding mode, and the clamping jaws are located between the adjusting nut and the head of the screw.

The clamping part further comprises a limiting rod, the clamping jaws are sleeved on the limiting rod in a sliding mode, and the limiting rod is parallel to the screw and arranged at intervals.

The clamping jaw comprises a clamping jaw body and a chuck arranged at one end of the clamping jaw body, a first through hole capable of being sleeved with the screw is formed in the clamping jaw body, and the chuck is provided with an arc-shaped surface capable of being abutted to the pin.

The clamping jaw body and the clamping head are integrally formed and are arranged in an L shape.

Wherein the moving part includes:

the moving body is connected with the supporting part in a sliding mode, and the clamping part is connected with the moving body;

the force application part is arranged at one end of the moving body and can drive the moving body to move along a straight line;

and the locking piece is in threaded connection with the supporting part and can move along the axial direction of the locking piece so as to lock the moving body.

Wherein the moving body includes:

a connecting portion connected with the clamping portion;

the screw rod portion wears to locate the supporting part, the one end of screw rod portion with connecting portion connect, the other end of screw rod portion with application of force spare threaded connection, the outer peripheral face of screw rod portion has along the locking face of axial extension, the retaining member with the locking face butt.

Wherein, the force application piece is a cross nut.

The supporting portion is U-shaped and comprises a first side plate, an intermediate plate and a second side plate which are sequentially connected, and the moving portion is connected with the intermediate plate.

Wherein, the one end that the intermediate lamella was kept away from to first curb plate and the one end that the intermediate lamella was kept away from to the second curb plate all is provided with the cushion.

The utility model has the beneficial effects that:

when the pin disassembling device is used, the supporting part is supported on the surface of a product, the moving part drives the clamping part to move along the axial direction of the pin, so that the two clamping jaws of the clamping part are positioned at two sides of the pin, the distance between the two clamping jaws is adjusted to enable the two clamping jaws to move along the radial direction of the pin so as to clamp the pin, and then the moving part drives the clamping part to move along the axial direction of the pin, so that the clamping part drives the pin to move out of a pin hole, the pin is disassembled, time consumption is short, labor intensity is low, and a connected piece is protected from being damaged.

Drawings

FIG. 1 is an angled configuration of a pin remover according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angle configuration of a pin remover according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a clamping portion according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of another clamping portion provided in accordance with an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a pin remover according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the pin detaching device provided in the embodiment of the present invention, with a support portion omitted.

In the figure:

1. a support portion; 11. a first side plate; 12. a middle plate; 13. a second side plate;

2. a clamping portion; 21. a clamping jaw; 211. a jaw body; 212. a chuck; 213. an arc-shaped surface; 22. a screw; 23. adjusting the nut; 24. a limiting rod; 25. a screw;

3. a moving part; 31. moving the body; 311. a connecting portion; 312. a screw section; 313. a locking surface; 32. a force application member; 33. and a locking member.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment of the utility model provides a pin disassembling device which can quickly and conveniently disassemble a pin and reduce damage to a product.

Referring to fig. 1 and 2, the pin detaching device comprises a supporting portion 1, a clamping portion 2 and a moving portion 3, wherein the supporting portion 1 provides a supporting function, one end of the moving portion 3 is connected with the clamping portion 2, the other end of the moving portion is connected with the supporting portion 1, the clamping portion 2 can clamp the pin, and the moving portion 3 can drive the clamping portion 2 to move along the axial direction of the pin so as to remove the pin from the pin hole.

The support portion 1 is U-shaped, and includes a first side plate 11, an intermediate plate 12 and a second side plate 13 that are connected in order, and the moving portion 3 is connected with the intermediate plate 12. When the supporting part is used, the supporting part 1 is supported on the surface of a product, at the moment, the first side plate 11 and the second side plate 13 are both in contact with the surface of the product, the supporting is stable, and the stress is balanced.

The end of the first side plate 11 away from the middle plate 12 and the end of the second side plate 13 away from the middle plate 12 are both provided with elastic pads. The elastic cushion plays a role in buffering, and the supporting part 1 is prevented from damaging the surface of the product.

Referring to fig. 3, the clamping portion 2 includes two opposite clamping jaws 21, the distance between the two clamping jaws 21 is adjustable, and the two clamping jaws 21 can move along the radial direction of the pin to clamp the pin.

In this embodiment, the clamping portion 2 further includes a screw 22 and an adjusting nut 23 screwed with the screw 22, the two clamping jaws 21 are slidably sleeved on the screw 22, and the two clamping jaws 21 are located between the adjusting nut 23 and the head of the screw 22. In use, two jaws 21 are placed on either side of the pin and in contact with the pin, and by rotating adjusting nut 23, so that relative movement occurs between jaws 21 and screw 22, jaws 21 move in the axial direction of screw 22, i.e. in the radial direction of the pin, so that jaws 21 can grip the pin.

In order to ensure that the clamping jaws 21 move stably, the clamping portion 2 further comprises a limiting rod 24, the two clamping jaws 21 are slidably sleeved on the limiting rod 24, and the limiting rod 24 is parallel to the screw 22 and arranged at intervals. When the clamping jaw 21 moves along the axial direction of the screw 22, the clamping jaw 21 simultaneously moves along the limiting rod 24, and the limiting rod 24 limits the clamping jaw 21.

The cross section of the limiting rod 24 may be circular or rectangular. Correspondingly, the clamping jaw 21 is provided with a limiting hole corresponding to the limiting rod 24, and the limiting rod 24 penetrates through the limiting hole.

Further, in order to prevent the stopper rod 24 from coming off the jaw 21, a screw portion may be provided at both ends of the stopper rod 24 and a stopper nut may be provided at the screw portion.

The clamping jaw 21 comprises a clamping jaw body 211 and a clamping head 212 arranged at one end of the clamping jaw body 211, a first through hole capable of being sleeved on the screw 22 is formed in the clamping jaw body 211, the clamping head 212 is provided with an arc-shaped surface 213, and the arc-shaped surface 213 can be abutted to the pin to increase the contact area with the pin, so that the clamping is stable. When mounted, the arcuate surfaces 213 of the two jaws 21 face each other.

In this embodiment, the chuck body 211 and the chuck 212 are integrally formed and are L-shaped, so as to ensure the structural strength. Wherein, the screw 22 and the spacing rod 24 are connected with the clamping jaw body 211 at the same time.

Referring to fig. 4, as an alternative embodiment, the clamping portion 2 may include a screw 25 and two adjusting nuts 23 threaded with the screw 25, wherein both clamping jaws 21 are slidably sleeved on the screw 25, and the two clamping jaws 21 are located between the two adjusting nuts 23. When the clamping jaw device is used, the two clamping jaws 21 are placed on two sides of the pin and are in contact with the pin, and the two adjusting nuts 23 are rotated, so that the clamping jaws 21 and the screw rod 25 move relatively, the adjusting efficiency is higher, and the clamping jaw device is convenient to mount and dismount.

Referring to fig. 5 and 6, the moving part 3 includes a moving body 31, an urging member 32, and a locking member 33, the moving body 31 is slidably connected to the supporting part 1, and the clamping part 2 is connected to the moving body 31; the force application member 32 is disposed at one end of the moving body 31, and the force application member 32 can drive the moving body 31 to move along a straight line; a locker 33 is threadedly coupled to the support 1, and the locker 33 can move in its own axial direction to lock the moving body 31.

In the present embodiment, the urging member 32 is in threaded connection with the moving body 31, specifically, the moving body 31 includes a connecting portion 311 and a screw portion 312, the connecting portion 311 is connected with the clamping portion 2, the screw portion 312 is inserted into the supporting portion 1, one end of the screw portion 312 is connected with the connecting portion 311, the other end of the screw portion 312 is in threaded connection with the urging member 32, the outer peripheral surface of the screw portion 312 has a locking surface 313 extending along the axial direction, and the locking member 33 abuts against the locking surface 313.

In use, the biasing member 32 is rotated to subject the movable body 31 to a torque, and the locking member 33 abuts against the locking surface 313 on the outer periphery of the screw portion 312 to restrict the rotation of the movable body 31, so that the movable body 31 moves linearly.

Specifically, the connecting portion 311 is provided with two through holes, one through hole is used for sleeving the screw 22 of the clamping portion 2, and the other through hole is used for sleeving the limiting rod 24 of the clamping portion 2.

In this embodiment, the force applying member 32 is a cross nut, which is convenient for a user to hold and can apply force more conveniently.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A pin removal apparatus, comprising:

a support (1);

the clamping part (2) comprises two oppositely arranged clamping jaws (21), the distance between the two clamping jaws (21) is adjustable, and the two clamping jaws (21) can move along the radial direction of the pin to clamp the pin;

and the moving part (3) has one end connected with the clamping part (2) and the other end connected with the supporting part (1), and the moving part (3) can drive the clamping part (2) to move along the axial direction of the pin.

2. A pin dismounting device according to claim 1, characterised in that said clamping part (2) further comprises a screw (22) and an adjusting nut (23) in threaded connection with said screw (22), both said jaws (21) being slidingly mounted on said screw (22), both said jaws (21) being located between said adjusting nut (23) and the head of said screw (22).

3. A pin dismounting device according to claim 2, wherein said clamping portion (2) further comprises a limiting rod (24), both said clamping jaws (21) are slidably sleeved on said limiting rod (24), and said limiting rod (24) is parallel to and spaced from said screw (22).

4. The pin removal device according to claim 2, wherein the clamping jaw (21) comprises a clamping jaw body (211) and a clamping head (212) arranged at one end of the clamping jaw body (211), a first through hole capable of being sleeved on the screw (22) is formed in the clamping jaw body (211), and the clamping head (212) is provided with an arc-shaped surface (213) capable of being abutted to the pin.

5. A pin remover according to claim 4, wherein said jaw body (211) is formed integrally with said collet (212) and is L-shaped.

6. A pin dismounting device according to claim 1, characterized in that said moving part (3) comprises:

a moving body (31) slidably connected to the support (1), the clamping part (2) being connected to the moving body (31);

the force application piece (32) is arranged at one end of the moving body (31), and the force application piece (32) can drive the moving body (31) to move along a straight line;

a locking member (33) in threaded connection with the support (1), the locking member (33) being movable in its own axial direction to lock the moving body (31).

7. A pin dismounting device according to claim 6, characterized in that said moving body (31) comprises:

a connecting portion (311) connected to the clamping portion (2);

screw rod portion (312), wear to locate support portion (1), the one end of screw rod portion (312) with connecting portion (311) are connected, the other end of screw rod portion (312) with application of force piece (32) threaded connection, the outer peripheral face of screw rod portion (312) has along the locking face (313) of axial extension, retaining member (33) with locking face (313) butt.

8. A pin removal device as claimed in claim 6, wherein the force applying member (32) is a cross nut.

9. A pin dismounting device according to any one of claims 1-8, characterised in that said support (1) is U-shaped, comprising a first side plate (11), an intermediate plate (12) and a second side plate (13) connected in series, said mobile part (3) being connected to said intermediate plate (12).

10. A pin dismounting device according to claim 9, characterised in that the end of the first side plate (11) remote from the intermediate plate (12) and the end of the second side plate (13) remote from the intermediate plate (12) are provided with resilient pads.