CN215644217U - Spring assembly and disassembly tools - Google Patents

Abstract

The utility model provides a spring disassembling tool. The spring assembly and disassembly tools include: the rack assembly comprises two opposite mounting structures and a guide rod, and the guide rod is arranged on the two mounting structures in a penetrating manner; the pressing assembly is positioned between the two mounting structures so as to form an accommodating space for accommodating the spring with one mounting structure; the pressing component is movably arranged on the guide rod; the adjusting structure is connected with the pressing component to drive the pressing component to move along the guide rod, so that the size of the accommodating space is adjusted; wherein, compress tightly the subassembly and include the installation concave part, at least some spring stretches into in the installation concave part and with installation concave part backstop cooperation. The utility model effectively solves the problem that the switch-on spring is difficult to disassemble and assemble in the prior art.

Description

Spring assembly and disassembly tools

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a spring disassembling tool.

Background

At present, an operating mechanism of a vacuum circuit breaker compresses or stretches a closing spring to store energy, so that energy required by the circuit breaker in a closing process is provided conveniently.

However, because the acting force required by the compression of the closing spring is large, a plurality of workers are required to operate the closing spring simultaneously in the process of assembling and disassembling the closing spring by the workers, so that the assembling and disassembling of the closing spring by the workers are difficult, the labor intensity of the workers is increased, and the operation safety of the workers in the assembling and disassembling process is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a spring disassembling tool to solve the problem that a closing spring is difficult to disassemble and assemble in the prior art.

In order to achieve the above object, the present invention provides a spring attaching and detaching tool, comprising: the rack assembly comprises two opposite mounting structures and a guide rod, and the guide rod is arranged on the two mounting structures in a penetrating manner; the pressing assembly is positioned between the two mounting structures so as to form an accommodating space for accommodating the spring with one mounting structure; the pressing component is movably arranged on the guide rod; the adjusting structure is connected with the pressing component to drive the pressing component to move along the guide rod, so that the size of the accommodating space is adjusted; wherein, compress tightly the subassembly and include the installation concave part, at least some spring stretches into in the installation concave part and with installation concave part backstop cooperation.

Further, the two mounting structures include: the first mounting structure and the pressing component form an accommodating space; the second mounting structure is provided with a through hole, and one end of the adjusting structure penetrates through the through hole and then is connected with the pressing component; wherein, the part that the regulation structure worn to establish in the via hole is with via hole screw-thread fit.

Further, the guide rod is a plurality of, and a plurality of guide rods set up around the circumference interval of spring.

Furthermore, the guide rods are multiple and are arranged at intervals around the circumferential direction of the adjusting structure; the adjusting structure is rod-shaped, and the extending direction of the adjusting structure is consistent with the extending direction of the guide rod.

Furthermore, the first mounting structure is provided with a mounting opening, the mounting opening is used for avoiding a connecting portion of the spring, the connecting portion is used for being connected with a spring mounting shaft of the breaker energy storage device, and the first mounting structure is limited by a stop catch of a spring body of the spring.

Further, the hold-down assembly includes: a compression plate; the limiting structure is arranged on the surface of the pressing plate facing the first mounting structure; limiting structures are multiple, a plurality of limiting structures and the pressure strip surround to form limiting spaces, the installation concave parts are communicated with the limiting spaces, and the installation concave parts are arranged on the pressure strip and/or the limiting structures.

Further, the mounting recess includes: the end part of the hanging plate of the spring extends into the first limiting groove and is in limiting fit with the first limiting groove; the hanging plate is used for being connected with an energy storage shaft of the breaker energy storage device.

Further, the mounting recess further includes: the second limiting groove is arranged on the limiting structure, and the side edge of the hanging plate extends into the second limiting groove and is in limiting fit with the second limiting groove; the limiting structure faces the surface of the first mounting structure and limits and stops the spring body of the spring.

Further, the adjusting structure is one; or the adjusting structures are multiple, the through holes are multiple, and the adjusting structures and the through holes are arranged in a one-to-one correspondence mode.

Further, the first mounting structure and/or the second mounting structure are plate-shaped structures, and the plate-shaped structures and the pressing plate are arranged in parallel.

By applying the technical scheme of the utility model, when the spring needs to be installed on the energy storage device of the circuit breaker, the spring is installed in the accommodating space, and at least part of the spring is ensured to extend into the installation concave part of the pressing assembly and to be matched with the installation concave part in a stopping way so as to limit the spring, and then the spring is pressed in the accommodating space. Afterwards, the adjusting structure is operated to drive the pressing assembly to move through the adjusting structure, so that the size of the accommodating space is reduced, and the spring is compressed. After the spring is adjusted to a proper length, the spring is installed on the energy storage device of the circuit breaker, and the spring is separated from the spring disassembling tool. When needing to pull down the spring from circuit breaker energy memory, through adjusting structure adjustment accommodation space's size to make at least partial spring stretch into in the installation concave part and with the cooperation of installation concave part backstop, then compress tightly the subassembly and compress tightly the spring in accommodation space, spring and spring assembly and disassembly tools form overall structure, the staff with this overall structure pull down from circuit breaker energy memory can. Thereafter, the adjustment structure is operated to increase the size of the accommodation space by the adjustment structure, so that the spring is restored to the original state.

Like this, adopt artifical mode to carry out the dismouting to closing the brake spring among the prior art and compare, the spring assembly and disassembly tools in this application replaces the manual work to carry out the dismouting to the spring, has reduced staff's intensity of labour, has solved among the prior art to the comparatively difficult problem of dismouting of closing the brake spring, also can avoid staff injured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a perspective view of an embodiment of a spring assembly tool according to the present invention;

FIG. 2 shows a front view of the spring assembly tool of FIG. 1;

FIG. 3 shows a front view of the spring assembly tool of FIG. 1 assembled with a spring; and

fig. 4 shows a perspective view of the spring assembly/disassembly tool of fig. 1 assembled with a circuit breaker energy storage device.

Wherein the figures include the following reference numerals:

10. a rack assembly; 11. a mounting structure; 111. a first mounting structure; 1111. an installation opening; 112. a second mounting structure; 1121. a via hole; 12. a guide bar; 20. a compression assembly; 21. an accommodating space; 22. a mounting recess; 221. a first limit groove; 222. a second limit groove; 23. a compression plate; 24. a limiting structure; 30. a spring; 31. a connecting portion; 32. a spring body; 33. a hanging plate; 40. an adjustment structure; 50. a spring mounting shaft; 60. an energy storage shaft.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.

In order to solve the comparatively difficult problem of dismouting to closing spring among the prior art, this application provides a spring assembly and disassembly tools.

As shown in fig. 1 to 3, the spring assembling and disassembling tool includes a frame assembly 10, a pressing assembly 20 and an adjusting structure 40. The rack assembly 10 includes two opposite mounting structures 11 and a guide rod 12, and the guide rod 12 is disposed on the two mounting structures 11 in a penetrating manner. The pressing assembly 20 is positioned between the two mounting structures 11 to form a containing space 21 for containing the spring 30 with one mounting structure 11; a hold down assembly 20 is movably disposed on guide bar 12. The adjusting structure 40 is connected to the pressing assembly 20 to drive the pressing assembly 20 to move along the guide rod 12, so as to adjust the size of the accommodating space 21. Wherein, hold-down assembly 20 includes mounting recess 22, and at least part spring 30 stretches into mounting recess 22 and with mounting recess 22 backstop cooperation.

By applying the technical scheme of the embodiment, when the spring 30 needs to be installed on the energy storage device of the circuit breaker, the spring 30 is installed in the accommodating space 21, and at least part of the spring 30 is ensured to extend into the installation concave portion 22 of the pressing assembly and to be matched with the installation concave portion 22 in a stopping manner so as to limit the spring 30, and then the spring 30 is pressed in the accommodating space 21. Thereafter, the adjusting structure 40 is operated to drive the pressing assembly to move through the adjusting structure 40, thereby reducing the size of the accommodating space 21 to compress the spring 30. After the spring 30 is adjusted to a suitable length, the spring 30 is mounted on the circuit breaker energy storage device and the spring 30 is separated from the spring assembly and disassembly tool. When needing to pull down spring 30 from circuit breaker energy memory, adjust accommodation space 21's size through regulation structure 40 to make at least partial spring 30 stretch into in installation concave part 22 and with the cooperation of installation concave part 22 backstop, then compress tightly subassembly 20 and compress tightly spring 30 in accommodation space 21, spring 30 and spring assembly and disassembly tools form overall structure, and the staff can with this overall structure pull down from circuit breaker energy memory. Thereafter, the adjustment structure 40 is operated to increase the size of the accommodating space 21 by the adjustment structure 40, so that the spring 30 is restored to the original state.

Like this, adopt artifical mode to carry out the dismouting to closing the brake spring and compare with among the prior art, the spring assembly and disassembly tools in this embodiment replaces the manual work to carry out the dismouting to spring 30, has reduced staff's intensity of labour, has solved among the prior art to the comparatively difficult problem of dismouting of closing the brake spring, also can avoid staff injured.

In the present embodiment, the spring 30 is a closing spring. Note that the type of the spring 30 is not limited to this, as long as it is an energy storage spring. Alternatively, the spring 30 is a compression spring.

In this embodiment, the spring 30 can be clamped by the installation recess 22, so that the safety of workers in the process of operating the spring assembling and disassembling tool is improved.

As shown in fig. 1 to 3, the two mounting structures 11 include a first mounting structure 111 and a second mounting structure 112. The first mounting structure 111 and the hold-down assembly 20 form an accommodating space 21 therebetween. The second mounting structure 112 has a through hole 1121, and one end of the adjusting structure 40 passes through the through hole 1121 and then is connected to the pressing assembly 20. Wherein, the portion of the adjusting structure 40 penetrating through the via hole 1121 is in threaded fit with the via hole 1121. In this way, the first mounting structure 111 is used for forming the accommodating space 21 with the pressing assembly 20, the second mounting structure 112 is used for mounting the adjusting structure 40, so that the pressing assembly 20 is located between the first mounting structure 111 and the second mounting structure 112, and the distance between the pressing assembly 20 and the first mounting structure 111 is adjusted through the adjusting structure 40, so as to adjust the size of the accommodating space 21, further compress the spring 30 or release the elastic potential energy of the spring 30, instead of manually disassembling and assembling the spring 30.

Optionally, the adjustment structure 40 is a bolt. The adjusting structure 40 is screwed with the second mounting structure 112, and a worker can use a tool to screw the adjusting structure 40, so that the end of the adjusting structure 40 connected to the pressing assembly 20 drives the pressing assembly 20 to move toward or away from the first mounting structure 111, thereby adjusting the accommodating space 21. Like this, above-mentioned setting makes the structure of adjusting structure 40 simpler, and easy processing, realization have reduced the processing degree of difficulty, also make staff easier, simple and convenient to adjusting structure 40's operation, have reduced the operation degree of difficulty.

Specifically, the adjustment structure 40 has an external threaded section, the through hole 1121 is a threaded hole, the external threaded section extends into the threaded hole and is in threaded engagement with the threaded hole, and the adjustment structure 40 is rotated by using a tool to move the external threaded section relative to the threaded hole, so as to adjust the position of the pressing assembly 20.

Optionally, the guide rod 12 is plural, and the plural guide rods 12 are arranged at intervals around the circumference of the spring 30. Like this, compress tightly subassembly 20 cover and establish on guide arm 12 and along guide arm 12 reciprocating sliding, guide compressing tightly subassembly 20 through guide arm 12 to make compressing tightly subassembly 20's slip more steady, avoid producing vibration and noise. Meanwhile, the arrangement increases the contact area between the guide rod 12 and the pressing assembly 20, so that the guiding reliability of the guide rod 12 to the pressing assembly 20 is improved.

In this embodiment, guide arm 12 is two, and two guide arms 12 set up relatively, and spring 30 is located between two guide arms 12 to make spring assembly and disassembly tools's structure simpler, easy processing, realization have reduced spring assembly and disassembly tools's processing cost and processing degree of difficulty. The extension direction of the guide bar 12 coincides with the extension and contraction direction of the spring 30.

It should be noted that the number of the guide rods 12 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the guide rods 12 are three, or four, or five, or more.

Optionally, the guide rod 12 is plural, and the plural guide rods 12 are arranged at intervals around the circumference of the adjusting structure 40. The adjusting structure 40 is rod-shaped, and the extending direction of the adjusting structure 40 is consistent with the extending direction of the guide rod 12. Thus, the movement direction of the adjusting structure 40 is consistent with the movement direction of the pressing assembly 20, so that the pressing assembly 20 can compress the spring 30 or release the elastic potential energy of the spring 30, and the movement reliability of the pressing assembly 20 is improved.

In this embodiment, the adjustment structure 40 is located between the two guide rods 12, so that the structural layout of the spring disassembling tool is more reasonable and compact.

As shown in fig. 1 and 4, the first mounting structure 111 has a mounting opening 1111, the mounting opening 1111 is used for avoiding the connecting portion 31 of the spring 30, the connecting portion 31 is used for connecting with the spring mounting shaft 50 of the circuit breaker energy storage device, and the first mounting structure 111 is limited and stopped with the spring body 32 of the spring 30. Thus, when the spring 30 is assembled with the spring assembling and disassembling tool, the connecting portion 31 extends into the mounting opening 1111, and the first mounting structure 111 and the spring body 32 are limited by the stop, so that the first mounting structure 111 can compress the spring body 32. Meanwhile, the first mounting structure 111 and the spring 30 are easier and simpler to mount and dismount due to the arrangement, and the mounting and dismounting difficulty is reduced.

Optionally, the hold-down assembly 20 includes a hold-down plate 23 and a stop structure 24. Wherein the limiting structure 24 is arranged on the surface of the pressing plate 23 facing the first mounting structure 111. The limiting structures 24 are multiple, a limiting space is formed by the multiple limiting structures 24 and the pressing plate 23 in a surrounding mode, the installation concave portion 22 is communicated with the limiting space, and the installation concave portion 22 is arranged on the pressing plate 23 and/or the limiting structures 24. Like this, the spacing cooperation of one end and the first mounting structure 111 of spring 30, the spacing cooperation of the other end and the pressure subassembly 20 of spring 30, and then compress tightly spring 30 in accommodation space 21, also can prevent that spring 30 from taking place to shift or the drunkenness and influencing the assembly stability of the two for spring assembly and disassembly tools.

In this embodiment, the number of the limiting structures 24 is two, the two limiting structures 24 and the pressing plate 23 surround to form a limiting space, the pressing plate 23 is used for limiting and stopping the top of the spring 30, the two limiting structures 24 are used for limiting and stopping the two sides of the spring 30, and then good limiting and stopping are performed on one end, close to the pressing assembly 20, of the spring 30, so that the end is prevented from moving or moving relative to the pressing assembly 20 to influence the assembly stability of the spring dismounting tool and the spring 30.

It should be noted that the number of the limiting structures 24 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the limiting structures 24 are three, or four, or five, or more.

As shown in fig. 1 and 4, the mounting recess 22 includes a first stopper groove 221. The first limiting groove 221 is arranged on the pressing plate 23, and the end portion of the hanging plate 33 of the spring 30 extends into the first limiting groove 221 and is in limiting fit with the first limiting groove 221. Wherein, hitch plate 33 is used for being connected with the energy storage axle 60 of circuit breaker energy memory. Like this, the tip of fishplate bar 33 stretch into first spacing inslot 221 and with the spacing backstop of first spacing groove 221 to fix a position fishplate bar 33's tip through first spacing groove 221, and then increased area of contact and frictional force between fishplate bar 33 and the first spacing groove 221, so that pressure strip 23 carries out good spacing to fishplate bar 33. Meanwhile, the arrangement makes the structure of the mounting concave part 22 simpler, and the mounting concave part is easy to process and realize, so that the processing cost of the mounting concave part 22 is reduced.

In this embodiment, the groove surface of the first limiting groove 221 is adapted to the end of the hanging plate 33, so that the first limiting groove 221 can well position the end of the hanging plate 33. The first position-limiting groove 221 is located between the two position-limiting structures 24.

Specifically, the spring 30 is not pulled open when the circuit breaker energy storage device is in the initial state. When the energy storing action is started, the driving device drives the energy storing shaft 60 to rotate, so that the spring 30 is stretched, and the energy storing action is started.

As shown in fig. 1, the mounting recess 22 further includes a second retaining groove 222. The second limiting groove 222 is disposed on the limiting structure 24, and the side edge of the hanging plate 33 extends into the second limiting groove 222 and is in limiting fit with the second limiting groove 222. The surface of the limiting structure 24 facing the first mounting structure 111 limits the stop with the spring body 32 of the spring 30. Like this, the side of hitch plate 33 stretch into second spacing inslot 222 and with the spacing backstop of second spacing groove 222 to fix a position hitch plate 33's side through second spacing groove 222, and then increased area of contact and frictional force between hitch plate 33 and the second spacing groove 222, so that limit structure 24 carries out good spacing to hitch plate 33. Meanwhile, the arrangement makes the structure of the mounting concave part 22 simpler, and the mounting concave part is easy to process and realize, so that the processing cost of the mounting concave part 22 is reduced.

In this embodiment, the groove surface of the second limiting groove 222 is adapted to the side edge of the hanging plate 33, so that the second limiting groove 222 can position the side edge of the hanging plate 33 well. The extending direction of the second catching groove 222 coincides with the extending direction of the spring 30.

In this embodiment, the two second limiting grooves 222 are disposed oppositely, and respectively limit and stop two sides of the hanging plate 33, so as to further increase the contact area between the second limiting grooves 222 and the hanging plate 33, and prevent the hanging plate 33 from shifting or shifting relative to the pressing component 20 to affect the assembly stability of the two.

Optionally, there is one adjustment structure 40; alternatively, there are a plurality of adjustment structures 40 and a plurality of vias 1121, and the plurality of adjustment structures 40 and the plurality of vias 1121 are disposed in a one-to-one correspondence. Like this, the number setting of above-mentioned setting messenger adjusting structure 40 is more nimble to satisfy different user demand and operating mode, also make staff more nimble to adjusting structure 40's processing, reduced the processing degree of difficulty.

In this embodiment, the number of the adjusting structure 40 is one, one end of the adjusting structure 40 passes through the through hole 1121 and is connected to the pressing plate 23, and the other end of the adjusting structure 40 is located on one side of the second mounting structure 112 away from the first mounting structure 111, so that the worker can operate the adjusting structure 40 conveniently. Like this, above-mentioned setting makes spring assembly and disassembly tools's structure simpler, and easy processing, realization have reduced spring assembly and disassembly tools's processing cost.

In this embodiment, the one end that regulation structure 40 and pressure strip 23 are connected is with pressure strip 23 screw-thread fit, and then makes pressure strip 23 and regulation structure 40's dismouting easier, simple and convenient, has reduced the dismouting degree of difficulty.

It should be noted that the connection manner of the adjusting structure 40 and the pressing plate 23 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the adjustment structure 40 is bonded, or welded, or riveted to the hold-down plate 23.

Optionally, the first mounting structure 111 and/or the second mounting structure 112 are plate-like structures, and the plate-like structures and the pressing plate 23 are arranged in parallel with each other. Thus, the arrangement makes the structure of the first mounting structure 111 and/or the second mounting structure 112 simpler, and the spring mounting and dismounting tool is easy to process and implement, and reduces the overall processing cost of the spring mounting and dismounting tool. Meanwhile, the arrangement can prevent the pressing plate 23 from interfering with the first mounting structure 111 and/or the second mounting structure 112 to influence the normal movement of the pressing assembly 20, and the dismounting reliability of the spring dismounting tool is improved.

Specifically, the steps of mounting the spring 30 using the spring attaching and detaching tool are as follows:

the distance between the first mounting structure 111 and the pressing plate 23 is adjusted through the adjusting structure 40, and then the accommodating space 21 is adjusted, when the accommodating space 21 is adjusted to a proper space size (dimension), the spring 30 is clamped between the first mounting structure 111 and the pressing plate 23, and the spring 30 is axially fixed through the first limiting groove 221 and the second limiting groove 222. Thereafter, the adjustment structure 40 is operated to move the pressing plate 23 and the limiting structure 24, thereby pushing the spring 30 to compress. After the length is adjusted to a proper value, the connecting portion 31 is sleeved on the spring mounting shaft 50 of the circuit breaker energy storage device, the hanging plate 33 is sleeved on the energy storage shaft 60 of the circuit breaker energy storage device, and the connecting portion 31 and the hanging plate 33 are fixed respectively so as to install the spring 30 on the circuit breaker energy storage device. Thereafter, the adjustment structure 40 is operated to increase the size of the accommodating space 21, and the spring attachment/detachment tool is detached from the spring 30, thereby completing the attachment of the spring 30.

Specifically, the steps of detaching the spring 30 using the spring detaching tool are as follows:

the accommodating space 21 is adjusted to a proper space size by the adjusting structure 40, so that the first mounting structure 111, the pressing plate 23 and the limiting structure 24 clamp the two ends of the spring 30. Thereafter, the adjustment mechanism 40 is operated to cause the spring assembly tool to grip and remove the spring 30 from the circuit breaker energy storage device. After that, the space size of the accommodating space 21 is increased by screwing the adjusting structure 40 to release the elastic potential energy of the spring 30, and then the spring 30 is removed from the spring disassembling tool, so that the disassembling of the spring 30 is completed.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

when the spring is required to be installed on the energy storage device of the circuit breaker, the spring is installed in the accommodating space firstly, and at least part of the spring is ensured to stretch into the installation concave part of the pressing assembly and to be matched with the installation concave part in a stopping way so as to limit the spring, and then the spring is pressed in the accommodating space. Afterwards, the adjusting structure is operated to drive the pressing assembly to move through the adjusting structure, so that the size of the accommodating space is reduced, and the spring is compressed. After the spring is adjusted to a proper length, the spring is installed on the energy storage device of the circuit breaker, and the spring is separated from the spring disassembling tool. When needing to pull down the spring from circuit breaker energy memory, through adjusting structure adjustment accommodation space's size to make at least partial spring stretch into in the installation concave part and with the cooperation of installation concave part backstop, then compress tightly the subassembly and compress tightly the spring in accommodation space, spring and spring assembly and disassembly tools form overall structure, the staff with this overall structure pull down from circuit breaker energy memory can. Thereafter, the adjustment structure is operated to increase the size of the accommodation space by the adjustment structure, so that the spring is restored to the original state.

Like this, adopt artifical mode to carry out the dismouting to closing the brake spring among the prior art and compare, the spring assembly and disassembly tools in this application replaces the manual work to carry out the dismouting to the spring, has reduced staff's intensity of labour, has solved among the prior art to the comparatively difficult problem of dismouting of closing the brake spring, also can avoid staff injured.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A spring assembly and disassembly tool, comprising:

the rack assembly (10) comprises two opposite mounting structures (11) and a guide rod (12), and the guide rod (12) penetrates through the two mounting structures (11);

a hold-down assembly (20), wherein the hold-down assembly (20) is positioned between the two mounting structures (11) to form a containing space (21) for containing a spring (30) with one mounting structure (11); the pressing component (20) is movably arranged on the guide rod (12);

the adjusting structure (40) is connected with the pressing component (20) to drive the pressing component (20) to move along the guide rod (12), and then the size of the accommodating space (21) is adjusted;

wherein the pressing assembly (20) comprises a mounting recess (22), and at least part of the spring (30) extends into the mounting recess (22) and is in stop fit with the mounting recess (22).

2. The spring handling tool according to claim 1, wherein the two mounting structures (11) comprise:

a first mounting structure (111) forming the accommodating space (21) with the pressing assembly (20);

the second mounting structure (112), the second mounting structure (112) is provided with a through hole (1121), and one end of the adjusting structure (40) passes through the through hole (1121) and then is connected with the pressing component (20); wherein, the part of the adjusting structure (40) penetrating through the through hole (1121) is in threaded fit with the through hole (1121).

3. The spring assembly/disassembly tool of claim 1, wherein the guide rod (12) is plural, and the plural guide rods (12) are arranged at intervals around a circumference of the spring (30).

4. The spring assembly/disassembly tool of claim 1, wherein the guide rod (12) is plural, and the plural guide rods (12) are arranged at intervals around a circumference of the adjustment structure (40); the adjusting structure (40) is rod-shaped, and the extending direction of the adjusting structure (40) is consistent with the extending direction of the guide rod (12).

5. The spring handling tool of claim 2 wherein the first mounting structure (111) has a mounting opening (1111) for avoiding a connection (31) of the spring (30), the connection (31) for connecting with a spring mounting shaft (50) of a circuit breaker energy storage device, the first mounting structure (111) being a limit stop with a spring body (32) of the spring (30).

6. The spring handling tool of claim 2 wherein the hold down assembly (20) comprises:

a pressing plate (23);

a limiting structure (24) arranged on the surface of the pressing plate (23) facing the first mounting structure (111); the limiting structures (24) are multiple, a limiting space is formed by the multiple limiting structures (24) and the pressing plate (23) in a surrounding mode, the installation concave parts (22) are communicated with the limiting space, and the installation concave parts (22) are arranged on the pressing plate (23) and/or the limiting structures (24).

7. The spring handling tool according to claim 6, wherein the mounting recess (22) comprises:

the first limiting groove (221) is formed in the pressing plate (23), and the end portion of the hanging plate (33) of the spring (30) extends into the first limiting groove (221) and is in limiting fit with the first limiting groove (221); the hitching plate (33) is used for being connected with an energy storage shaft (60) of an energy storage device of the circuit breaker.

8. The spring handling tool according to claim 7, wherein the mounting recess (22) further comprises:

the second limiting groove (222) is arranged on the limiting structure (24), and the side edge of the hanging plate (33) extends into the second limiting groove (222) and is in limiting fit with the second limiting groove (222); the surface of the limiting structure (24) facing the first mounting structure (111) is limited and stopped with a spring body (32) of the spring (30).

9. The spring adjustment tool according to claim 2, wherein the adjustment structure (40) is one; or, the number of the adjusting structures (40) is multiple, the number of the via holes (1121) is multiple, and the adjusting structures (40) and the via holes (1121) are arranged in a one-to-one correspondence manner.

10. The spring handling tool according to claim 6, wherein the first mounting structure (111) and/or the second mounting structure (112) is a plate-like structure, which is arranged parallel to the pressure plate (23).

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