CN211565760U

CN211565760U - Portable spring assembly and disassembly tools

Info

Publication number: CN211565760U
Application number: CN201921886842.6U
Authority: CN
Inventors: 陈国辉; 谢卓明; 彭瑞斌; 殷新烈; 张威; 梁增杰; 吴凯文; 陈学健; 余豪璇; 文步云; 李飞燕; 邬梅香; 刘锦明
Original assignee: Guangdong Power Grid Co Ltd; Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-09-25
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to a net distribution tool technical field, more specifically relates to a lightweight spring assembly and disassembly tools. The utility model provides a lightweight spring assembly and disassembly tools, includes the installation pole, fixed being provided with on the installation pole is decided to grab and colludes, still the cover is equipped with on the installation pole and moves to grab and collude, is located decide grab collude with it has the drive to be used for driving to make the movable grab collude along the first drive nut of installation pole axial displacement to move on moving the installation pole between grabbing. The spring disassembling tool of the utility model can be adjusted according to the length of the spring to adapt to the stretching and the compression of various springs so as to realize the disassembling and assembling of the spring; the spring can be disassembled and assembled by a single person, the spring is safely and reliably disassembled and assembled, and the performance of the mechanism cannot be damaged; this spring assembly and disassembly tools makes work efficiency obtain very big improvement, the material resources of using manpower sparingly.

Description

Portable spring assembly and disassembly tools

Technical Field

The utility model relates to a net distribution tool technical field, more specifically relates to a lightweight spring assembly and disassembly tools.

Background

At present, vacuum circuit breakers are mostly adopted for 10kV and 35kV circuit breakers, and the types of spring energy storage mechanisms are configured. The mechanism has simple structure and excellent performance, thus being widely applied to the power grid. However, the mechanism also has some defects, for example, when the mechanism motor is burnt out or the transmission rod is broken and needs to be repaired, or the mechanism A is repaired, the mechanism spring is often required to be disassembled and assembled. And there are the following problems when dismantling the energy storage spring of the breaker mechanism on the spot: in the process of spring reinstallation, because the spring needs to be stretched by a certain amount to be reinstalled, and the side of the stretching spring needs thousands of newtons or even thousands of newtons, in a narrow space of a mechanism box, manpower is often difficult to achieve. If the traditional method is adopted, namely the spring is manually stored with energy and stretched by a certain amount, and after a gasket is added in the spring, the spring is disassembled and assembled, the following problems exist: 1) the amount of manual energy storage stretching is difficult to control and can be achieved by a master with experience. 2) After the manual energy storage is stretched for a certain amount, a gasket is added in a spring with certain energy storage, and the possibility of mechanical injury to a human body exists in the assembling and disassembling process. 3) If the amount of stretching is large, the number of required gaskets is large, and the possibility that the gaskets are not clamped tightly or fly out to hurt people is greatly increased when the number of the gaskets is large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art with the operation process of the tensile a quantitative reinstallation return of spring, there is the problem of the tensile difficulty of spring, provide a lightweight spring assembly and disassembly tools.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a lightweight spring assembly and disassembly tools, includes the installation pole, fixed being provided with on the installation pole is decided to grab and colludes, still the cover is equipped with on the installation pole and moves to grab and collude, is located decide grab collude with it has the drive to be used for driving to make the movable grab collude along the first drive nut of installation pole axial displacement to move on moving the installation pole between grabbing.

In this technical scheme, will decide to grab and collude the butt in the helical gap of spring one end, will move and grab and collude the butt in the helical gap of the spring other end, utilize the spanner centre gripping on first drive nut to the operation spanner makes first drive nut keep away from along the installation pole and decides the grappler direction and remove, and at the in-process of first drive nut motion, moves and grabs and collude and can drive the spring further tensile, thereby realizes the tensile operation to the spring. Because move and grab the position of colluding on the installation pole and can adjust, consequently, this technical scheme can adapt to the spring of different length. When the spring needs to be compressed, the first driving nut is arranged on one side of the movable hook far away from the fixed hook, and the wrench is used for rotating the first driving nut to move towards the direction of the fixed hook, so that the compression operation of the spring can be completed. The utility model provides high spring tension operation's work efficiency has alleviateed spring tension operation's working strength.

Preferably, it is provided with first arc structure to decide to grab to collude to keep away from on one side of moving to grab, it is provided with second arc structure to move to grab to collude to keep away from on one side of deciding to grab. In the technical scheme, the fixed grabbing hook can stably abut against the spiral gap of the spring due to the arrangement of the first arc-shaped structure, and the fixed grabbing hook is prevented from being separated from the spring in the stretching process of the spring; the setting of second arc structure can make and move the hook and stably the butt in the helical gap of spring, avoids moving the hook and breaks away from with the spring at the tensile in-process of spring.

Preferably, both sides of the fixed grab hook are provided with fixing nuts for fixing the fixed grab hook, and the fixing nuts are in threaded connection with the mounting rod. In this technical scheme, set up of fixation nut has guaranteed to decide to grab and is connected more stable between collude and the installation pole. It should be noted that the movable grab hook can be sleeved on the mounting rod and then is limited and fixed through the fixing nut, and also can be directly fixed on the mounting rod in a welding manner and then is strengthened and fixed through the fixing nut.

Preferably, one side of the movable grabbing hook, which is far away from the fixed grabbing hook, is provided with a second driving nut in threaded connection with the mounting rod. The second driving nut is arranged, so that on one hand, the movable grab hook is prevented from being separated from the mounting rod under the condition that the spring disassembling tool is not used; on the other hand, when the spring needs to be compressed, the second driving nut is screwed out of the mounting rod, the directions of the two sides of the movable grab hook are exchanged, and then the second driving nut is screwed on the mounting rod; simultaneously with fixation nut back of screwing out, will decide to grab the direction of colluding both sides and change, with fixation nut revolve on the installation pole, towards deciding to grab and collude the direction and remove first drive nut for move to grab and collude and have certain stroke volume when moving towards deciding to grab and colluding the direction and remove, utilize the spanner to make second drive nut towards deciding to grab and collude the direction and remove, thereby drive and move to grab and collude and order about the spring and compress, and accomplish the compression operation of spring.

Preferably, be located decide the grab and collude and keep away from move the cover and be equipped with first stable colluding on the installation pole of grab one side, first stable colluding is towards first arc structure bending. In this technical scheme, when the helical gap of spring is great, can use through the cooperation of colluding with first stable the colluding surely grabbing, surely grab and collude with first stable the colluding and be located the clearance of a certain spring both sides respectively to firmly the centre gripping with the spring of this department collude with first stable between colluding surely grabbing.

Preferably, the fixed hook and the first stable hook are matched to form a first clamping jaw structure. The arrangement of the first clamping jaw structure can ensure stable clamping of the spring.

Preferably, the movable claw hook is far away from the mounting rod on one side of the fixed claw hook, and a second stable hook is sleeved on the mounting rod and is bent towards the second arc-shaped structure. In this technical scheme, when the helical gap of spring is great, can stably collude the cooperation of colluding through moving the claw and using with the second, move the claw and stably collude the clearance that is located a certain spring both sides with the second respectively to with the spring firmly centre gripping of this department move the claw collude with the second stably collude between.

Preferably, the movable grabbing hook and the second stable hook are matched to form a second clamping jaw structure. The second clamping jaw structure can guarantee stable clamping of the spring.

Preferably, the second driving nut is installed on one side of the second stable hook far away from the fixed grabbing hook. When needs compress the spring, adjust first drive nut, make it remove towards deciding to grab and collude the direction, utilize the rotatory second drive nut of spanner, make it also remove towards deciding to grab and collude the direction, second drive nut is at the in-process that removes, can drive the second stably collude, move and grab and collude and the spring and remove towards deciding to grab and collude the direction together to can realize the compression operation to the spring. It should be noted that, the effect of adjusting the first driving nut is to prevent the first driving nut from hindering the movement of the movable grab hook and the second stable hook.

Preferably, one side of the movable grab hook close to the first driving nut is integrally formed with a guide column which is sleeved on the mounting rod, and a gasket is arranged between the guide column and the first driving nut. In this technical scheme, the effect of guide post can play certain guide effect, and the effect of gasket can reduce the pressure of first drive nut to the guide post.

Compared with the prior art, the beneficial effects are:

the spring disassembling tool of the utility model can be adjusted according to the length of the spring to adapt to the stretching and the compression of various springs so as to realize the disassembling and assembling of the spring; the spring can be disassembled and assembled by a single person, the spring is safely and reliably disassembled and assembled, and the performance of the mechanism cannot be damaged; this spring assembly and disassembly tools makes work efficiency obtain very big improvement, the material resources of using manpower sparingly.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the spring disassembling tool of the present invention;

fig. 2 is a schematic structural view of embodiment 2 of the spring mounting and dismounting tool of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in figure 1, a lightweight spring assembly and disassembly tools, including installation pole 1, fixed being provided with on installation pole 1 decides to grab and collude 2, still the cover is equipped with on installation pole 1 and moves to grab and collude 3, is located to decide to grab and colludes 2 and move and grab and collude 1 of installation pole between 3 threaded connection have be used for driving to make and grab and collude 3 along the first drive nut 4 of 1 axial displacement of installation pole. Will decide and grab 2 butts in the helical gap of spring 11 one end, will move and grab 3 butts in the helical gap of the spring 11 other end, utilize the spanner centre gripping on first drive nut 4 to the operation spanner makes first drive nut 4 keep away from along installation pole 1 and decides 2 directions of grapplers and remove, and at the in-process of the motion of first drive nut 4, it can drive spring 11 further tensile to move to grab 3, thereby realizes the tensile operation to spring 11. Because the position of the movable grab hook 3 on the mounting rod 1 can be adjusted, the technical scheme can be suitable for springs 11 with different lengths. When the spring 11 needs to be compressed, the first driving nut 4 is mounted on the side of the movable hook 3 away from the fixed hook 2, and the first driving nut 4 is rotated by a wrench to move toward the fixed hook 2, so that the compression of the spring 11 can be completed.

Wherein, decide to grab and be provided with first arc structure 21 on 2 keeping away from moving the 3 one sides of grabbing the hook, move and grab and be provided with second arc structure 31 on 3 keeping away from deciding grabbing hook 2 one side of grabbing the hook. The first arc-shaped structure 21 is arranged to enable the fixed hook 2 to stably abut against the spiral gap of the spring 111, so that the fixed hook 2 is prevented from being separated from the spring 11 in the stretching process of the spring 11; the second arc-shaped structure 31 is arranged to enable the movable hook 3 to stably abut against the spiral gap of the spring 2, so that the movable hook 3 is prevented from being separated from the spring 11 in the process of stretching the spring 11.

In addition, the two sides of the fixed grab hook 2 are provided with fixing nuts 5 for fixing the fixed grab hook 2, and the fixing nuts 5 are in threaded connection with the mounting rod 1. The fixed nut 5 ensures that the fixed grab hook 2 and the installation rod 1 are connected more stably. It should be noted that the fixed grab hook 2 can be sleeved on the mounting rod 1 and then fixed in a limiting manner by the fixing nut 5, or can be directly fixed on the mounting rod 1 by welding and then fixed by the fixing nut 5.

Wherein, move and grab 3 and keep away from deciding that grab 2 one side of colluding and be provided with the second drive nut 6 with installation pole 1 threaded connection. The second driving nut 6 is arranged, so that on one hand, the movable grab hook 3 is prevented from being separated from the mounting rod 1 under the condition that the disassembling tool of the spring 11 is not used; on the other hand, when the spring 11 needs to be compressed, the second driving nut 6 is screwed out of the mounting rod 1, the directions of the two sides of the movable grab hook 3 are exchanged, and then the second driving nut 6 is screwed on the mounting rod 1; simultaneously with fixation nut 5 back of screwing out, will decide to grab the direction of 2 both sides of colluding and change the back, with fixation nut 5 revolve on installation pole 1, towards grabbing 2 directions removal first drive nut 4 certainly, make move to grab and collude 3 and have certain stroke volume towards grabbing 2 directions removal certainly, utilize the spanner to make second drive nut 6 towards grabbing 2 directions removal of colluding certainly, thereby drive and grab 3 and order about spring 11 and compress, and accomplish spring 11's compression operation.

In addition, a guide column 9 sleeved on the mounting rod 1 is integrally formed on one side of the movable grab hook 3 close to the first driving nut 4, and a gasket 10 is arranged between the guide column 9 and the first driving nut 4. The guide post 9 can play a certain role in guiding, and the gasket 10 can reduce the pressure of the first driving nut 4 on the guide post 9.

Example 2

As shown in fig. 2, the embodiment 2 includes the structure of the embodiment 1, and is different from the embodiment 1 in that a first stable hook 7 is sleeved on the mounting rod 1 on one side of the fixed hook 2 away from the movable hook 3, and the first stable hook 7 is bent towards the first arc-shaped structure 21. When the spiral gap of the spring 11 is large, the fixed grabbing hook 2 and the first stable hook 7 can be matched for use, the fixed grabbing hook 2 and the first stable hook 7 are respectively positioned in the gaps at two sides of the spring 11 at a certain position, and therefore the spring 11 at the position is firmly clamped between the fixed grabbing hook 2 and the first stable hook 7. The fixed claw hook 2 and the first stable hook 7 are matched to form a first clamping jaw structure. The arrangement of the first clamping jaw structure can ensure stable clamping of the spring 11.

Wherein, be located to move and grab 3 and keep away from deciding and grab the installation pole 1 of 2 one sides of colluding and go up the cover and be equipped with the second and stably collude 8, the second stably colludes 8 and is crooked towards second arc structure 31. When the spiral gap of the spring 11 is large, the movable claw hook 3 and the second stable hook 8 can be used in a matched mode, the movable claw hook 3 and the second stable hook 8 are respectively located in gaps on two sides of the spring 11 at a certain position, and therefore the spring 11 at the position is firmly clamped between the movable claw hook 3 and the second stable hook 8. The movable grabbing hook 3 and the second stable hook 8 are matched to form a second clamping jaw structure. The arrangement of the second clamping jaw structure can ensure stable clamping of the spring 11.

When the spring 11 needs to be stretched in use, when the spiral gap of the spring 11 is large, the fixed grabbing hook 2 and the first stable hook 7 are matched for use, and the fixed grabbing hook 2 and the first stable hook 7 are respectively positioned in the gap at two sides of a certain position of the spring 11, so that the spring 11 at the position is firmly clamped between the fixed grabbing hook 2 and the first stable hook 7; through the cooperation of moving the grab hook 3 and the stable 8 that colludes of second, move grab hook 3 and the stable 8 that colludes of second and be located the clearance of a certain spring 11 both sides respectively to firmly the centre gripping of the spring 11 of this department is between moving grab hook 3 and the stable 8 that colludes of second. Utilize the spanner to make first drive nut 4 keep away from and decide 2 directions of grabbing to remove, first drive nut 4 drives and moves grabbing 3 and collude 1 motion along the installation pole together at the in-process that removes, moves grabbing 3 and drives spring 11 and move together to realize the tensile operation of spring 11.

In addition, a second driving nut 6 is arranged on one side of the second stable hook 8 far away from the fixed grabbing hook 2. When needs compress spring 11, adjust first drive nut 4, make it move a section distance towards 2 directions of grabbing certainly and colluding, utilize the rotatory second drive nut 6 of spanner, make it also move towards 2 directions of grabbing certainly and colluding, second drive nut 6 can drive the second and stably collude 8, move and grab and collude 3 and spring 11 and move towards 2 directions of grabbing certainly together at the in-process that removes to can realize the compression operation to spring 11. It should be noted that the function of adjusting the first driving nut 4 is to prevent the first driving nut 4 from hindering the movement of the movable hook 3 and the second stable hook 8.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The portable spring disassembling tool is characterized by comprising an installation rod (1), wherein a fixed grabbing hook (2) is fixedly arranged on the installation rod (1), a movable grabbing hook (3) is further sleeved on the installation rod (1), and a first driving nut (4) used for driving the movable grabbing hook (3) to move axially along the installation rod (1) is in threaded connection with the installation rod (1) between the fixed grabbing hook (2) and the movable grabbing hook (3).

2. A portable spring loading/unloading tool according to claim 1, wherein: decide to grab and collude (2) and keep away from and be provided with first arc structure (21) on grabbing colluding (3) one side, it is provided with second arc structure (31) on grabbing colluding (2) one side surely to move to grab colluding (3).

3. A portable spring loading and unloading tool according to claim 2, wherein: and fixing nuts (5) used for fixing the fixed grab hooks (2) are arranged on two sides of the fixed grab hooks (2), and the fixing nuts (5) are in threaded connection with the mounting rod (1).

4. A portable spring loading and unloading tool according to claim 3, wherein: one side of the movable grabbing hook (3) far away from the fixed grabbing hook (2) is provided with a second driving nut (6) in threaded connection with the mounting rod (1).

5. A portable spring loading/unloading tool according to claim 4, wherein: be located decide to grab and collude (2) and keep away from move and grab and collude (3) the installation pole (1) of one side and go up the cover and be equipped with first stable colluding (7), first stable colluding (7) are crooked towards first arc structure (21).

6. A portable spring loading/unloading tool according to claim 5, wherein: the fixed claw hook (2) and the first stable hook (7) are matched to form a first clamping jaw structure.

7. A portable spring loading/unloading tool according to claim 6, wherein: lie in move and grab (3) and keep away from it stably colludes (8) to overlap on installation pole (1) of grabbing hook (2) one side surely, the second stably colludes (8) and is crooked towards second arc structure (31).

8. A portable spring loading and unloading tool according to claim 7, wherein: the movable grabbing hook (3) and the second stable hook (8) are matched to form a second clamping jaw structure.

9. A portable spring loading and unloading tool according to claim 8, wherein: the second driving nut (6) is installed on one side, far away from the fixed grabbing hook (2), of the second stable hook (8).

10. A portable spring loading and unloading tool according to any one of claims 1 to 9, wherein: move and grab hook (3) and be close to one side integrated into one piece of first drive nut (4) has guide post (9) that the cover was established on installation pole (1), guide post (9) with be provided with gasket (10) between first drive nut (4).