Spring installation tool for circuit breaker

Abstract

The utility model belongs to the technical field of circuit breakers, and discloses a spring installation tool for circuit breakers. The spring installation tool for the circuit breaker includes two guide rods, a first positioning member, a second positioning member, and a shielding member. The first positioning member and the second positioning member are arranged on the two guide rods. The first positioning member, the second positioning member, and the two guide rods are used to accommodate a spring assembly. The two ends of the spring assembly can be pressed against the first positioning member and the second positioning member, and the second positioning member can be close to or away from the first positioning member along the guide rods; the shielding member includes a connected mounting portion and a protective portion, the mounting portion is fixed to the first positioning member, and the protective portion extends in the direction of the second positioning member. The spring installation tool for the circuit breaker can enclose the spring assembly to prevent the spring assembly from collapsing between the first positioning member and the second positioning member when it is compressed for a short time, thereby eliminating potential safety hazards and improving safety in use.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a spring installation tool for circuit breakers. Background Art

[0002] During the assembly process of the circuit breaker spring operating mechanism, the closing spring assembly needs to be compressed so that the distance between its upper and lower mounting holes is consistent with the distance between the two fixed shafts on the mechanism plate, thereby facilitating the upper and lower mounting holes of the closing spring assembly to be installed on the fixed shafts of the mechanism plate to complete the assembly of the closing spring assembly.

[0003] However, since the external force required to compress the closing spring is large, it is often necessary for multiple workers to cooperate with each other to compress and install the closing spring assembly, which is labor-intensive, time-consuming and labor-intensive. In addition, since the elastic force of the spring is large, if the closing spring assembly is not firmly fixed during the installation process, it is easy to cause safety hazards. Utility Model Content

[0004] The utility model aims to provide a spring installation tool for a circuit breaker, which can effectively prevent the spring component from bursting out of the tool during the compression process, so as to improve the safety of the spring component installation process.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a spring installation tool for a circuit breaker, comprising:

[0007] Two guide rods;

[0008] A first positioning member and a second positioning member are provided on the two guide rods, wherein the first positioning member, the second positioning member and the two guide rods are used to accommodate a spring assembly, wherein one end of the spring assembly can press against the first positioning member, and the other end of the spring assembly presses against the second positioning member, and the second positioning member moves closer to or farther from the first positioning member along the guide rod;

[0009] The shielding member includes a mounting portion and a protecting portion connected to each other, the mounting portion is fixed to the first positioning member, and the protecting portion extends toward the second positioning member.

[0010] Preferably, the mounting portion is arranged on a side of the first positioning member facing away from the second positioning member, one end of the guide rod passes through the first positioning member and the mounting portion, and one end of the guide rod is connected to a fastener, which abuts against the mounting portion.

[0011] Preferably, the mounting portion and the protection portion are integrally formed in an arc shape.

[0012] Preferably, the length of the protective portion is not less than the length of the spring assembly.

[0013] Preferably, an end of the protection portion away from the mounting portion is bent toward the spring assembly to form a shielding portion.

[0014] Preferably, the protective portion is provided with weight-reducing holes.

[0015] Preferably, the width of the protection portion is not less than the distance between the two guide rods.

[0016] Preferably, the second positioning member includes a pushing plate and a positioning block arranged on the pushing plate, the positioning block is provided with a first limiting groove, the pushing plate is used to abut against the hanging plate of the spring assembly, and the hanging plate can be clamped in the first limiting groove.

[0017] Preferably, a second limiting groove is formed on the push plate, and the second limiting groove is used for inserting the end of the hanging plate.

[0018] Preferably, the spring installation tool of the circuit breaker also includes an adjustment component, the adjustment component includes a driving member and an adjustment rod, the driving member is fixedly connected to the first positioning member, one end of the adjustment rod is drivingly connected to the driving member, and the other end of the adjustment rod is connected to the second positioning member, and the driving member is used to drive the adjustment rod to extend and retract.

[0019] The beneficial effects of the utility model are:

[0020] The utility model provides a spring installation tool for a circuit breaker, wherein the first positioning member and the second positioning member are arranged on two guide rods. Since the first positioning member, the second positioning member and the two guide rods are used to accommodate the spring assembly and the two ends of the spring assembly can be pressed against the first positioning member and the second positioning member respectively, the spring assembly is enclosed and limited from four directions, effectively preventing the spring assembly from falling out of the tool; since the second positioning member can approach the first positioning member along the guide rod, the first positioning member and the second positioning member can compress the spring assembly, and after the spring assembly is shortened to an appropriate length, the spring assembly can be installed in the circuit breaker storage The spring assembly can be installed without manual pressing of the spring assembly, which saves time and effort. After the spring assembly is installed, the second positioning member can be moved away from the first positioning member along the guide rod, so as to facilitate the placement of another spring assembly. Since the shielding member includes a mounting portion and a protective portion connected to each other, the mounting portion is arranged on the first positioning member and the protective portion extends toward the second positioning member, the protective portion can enclose the side of the spring assembly to prevent the spring assembly from collapsing between the first positioning member and the second positioning member due to its own unstable force during the compression process, thereby eliminating potential safety hazards and improving the safety of the spring installation tooling of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a spring installation tool for a circuit breaker provided in a specific embodiment of the utility model;

[0022] Figure 2 It is a structural schematic diagram of a spring installation tool for a circuit breaker after assembling a spring assembly provided by a specific embodiment of the utility model;

[0023] Figure 3 It is a front view of a spring installation tool of a circuit breaker after assembling a spring assembly provided by a specific embodiment of the utility model;

[0024] Figure 4 It is a side view of a spring installation tool for a circuit breaker provided in a specific embodiment of the utility model.

[0025] In the figure:

[0026] 100-spring assembly; 110-hook plate; 120-connecting portion;

[0027] 1-Guide rod;

[0028] 2-first positioning member;

[0029] 3-second positioning member; 31-pushing plate; 32-positioning block; 33-first limiting groove; 34-second limiting groove;

[0030] 4-guard; 41-installation part; 42-protection part; 421-weight reduction hole; 43-shielding part;

[0031] 5- Fasteners;

[0032] 6-adjustment assembly; 61-driving member; 62-adjustment rod. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] In the description of this embodiment, the terms "upper", "lower", "right", "left" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0037] Reference Figure 1 and Figure 2The utility model provides a spring installation tool for a circuit breaker, comprising two guide rods 1, a first positioning member 2 and a second positioning member 3 and a shielding member 4 arranged on the two guide rods 1, the first positioning member 2, the second positioning member 3 and the two guide rods 1 are used to accommodate a spring assembly 100, one end of the spring assembly 100 is pressed against the first positioning member 2, and the other end of the spring assembly 100 is pressed against the second positioning member 3, and the second positioning member 3 is close to or away from the first positioning member 2 along the guide rod 1. In this embodiment, the first positioning member 2 and the second positioning member 3 are arranged on the two guide rods 1. Since the first positioning member 2, the second positioning member 3 and the two guide rods 1 are used to accommodate the spring assembly 100 and the two ends of the spring assembly 100 can be pressed against the first positioning member 2 and the second positioning member 3 respectively, the spring assembly 100 is enclosed and limited from four directions, which effectively prevents the spring assembly 100 from escaping from the tooling; since the second positioning member 3 can approach the first positioning member 2 along the guide rod 1, the first positioning member 2 and the second positioning member 3 can compress the spring assembly 100. After the spring assembly 100 is shortened to an appropriate length, the spring assembly 100 can be installed on the circuit breaker energy storage device without manually pressing the spring assembly 100, which saves time and effort; after the spring assembly 100 is installed, the second positioning member 3 can move away from the first positioning member 2 along the guide rod 1, thereby facilitating the placement of another spring assembly 100. Specifically, the two guide rods 1 are arranged in parallel and at intervals, the first positioning member 2 is fixedly inserted on the two guide rods 1, and the second positioning member 3 is movably inserted on the two guide rods 1. The length direction of the guide rod 1 is parallel to the length direction of the spring assembly 100, and the second positioning member 3 is slidably set on the guide rod 1, so the guide rod 1 can guide the second positioning member 3 to ensure that the second positioning member 3 can stably and accurately squeeze the spring assembly 100 along the length direction of the spring assembly 100; the spring assembly 100 is limited between the first positioning member 2 and the second positioning member 3 along the length direction, and is limited between the two guide rods 1 along the width direction.

[0038] In this embodiment, the shielding member 4 includes a mounting portion 41 and a protective portion 42 connected to each other, the mounting portion 41 is fixed to the first positioning member 2, and the protective portion 42 extends in the direction of the second positioning member 3. Specifically, since the shielding member 4 includes a mounting portion 41 and a protective portion 42 connected to each other, the mounting portion 41 is arranged on the first positioning member 2 and the protective portion 42 extends in the direction of the second positioning member 3 in parallel with the guide rod 1, the protective portion 42 can enclose the side of the spring assembly 100 to prevent the spring assembly 100 from collapsing between the first positioning member 2 and the second positioning member 3 due to its own unstable force during the compression process, thereby eliminating potential safety hazards and improving the safety of the spring installation tooling of the circuit breaker. It can be understood that the protective portion 42 cooperates with the two guide rods 1, the first positioning member 2 and the second positioning member 3 to form enclosures in five directions in the space for the spring assembly 100, and the remaining direction is used for the staff to place the spring assembly 100 between the first positioning member 2 and the second positioning member 3.

[0039] Reference Figure 1 and Figure 2 , the mounting portion 41 is arranged on the side of the first positioning member 2 away from the second positioning member 3, one end of the guide rod 1 passes through the first positioning member 2 and the mounting portion 41, and one end of the guide rod 1 is connected with a fastener 5, and the fastener 5 abuts against the mounting portion 41. In this embodiment, the two guide rods 1 pass through the first positioning member 2 and are fixedly connected to the first positioning member 2, and the mounting portion 41 is provided with a through hole corresponding to the guide rod 1. The through hole corresponds to the guide rod 1, and the mounting portion 41 is penetrated on the guide rod 1 and abutted against the first positioning member 2. Then, the fastener 5 is threadedly connected to the end of the guide rod 1 extending out of the mounting portion 41, and the fastener 5 is tightened to make the mounting portion 41 tightly abut against the first positioning member 2, so that the shielding member 4 is fixedly connected to the first positioning member 2. In another embodiment, the mounting portion 41 is fixed on a side of the first positioning member 2 close to the second positioning member 3, the end of the guide rod 1 passes through the mounting portion 41 and the first positioning member 2 in sequence, the guide rod 1 is fixedly connected to the first positioning member 2, a fastener 5 is threadedly connected to the guide rod 1, and the fastener 5 is tightly pressed against the mounting portion 41; in yet another embodiment, the mounting portion 41 is fixed to the side of the first positioning member 2, the mounting portion 41 can be connected to the first positioning member 2 by bolts, or by welding, which is not limited here.

[0040] Specifically, the mounting portion 41 and the protection portion 42 are integrally formed in an arc shape. In this embodiment, the shielding member 4 is an L-shaped structure with an arc connection at the corner, the mounting portion 41 is fixed on the first positioning member 2, the protection portion 42 is arranged parallel to the guide rod 1, and the mounting portion 41 and the protection portion 42 are integrally formed; in another embodiment, the shielding member 4 is formed by welding the mounting portion 41 and the protection portion 42 after splicing.

[0041] Reference Figure 3, the length of the guard part 42 is not less than the length of the spring assembly 100. In this embodiment, the guard part 42 extends toward the second positioning member 3 along the length direction of the guide rod 1, and the length of the guard part 42 is not less than the length of the spring assembly 100. Therefore, the guard part 42 can form a full-length shielding for the spring assembly 100 between the first positioning member 2 and the second positioning member 3, thereby improving the shielding range and shielding effect of the shielding member 4, thereby further improving the safety of the tooling.

[0042] Specifically, Figure 4 As shown, the end of the protective portion 42 away from the mounting portion 41 is bent toward the spring assembly 100 to form a shielding portion 43. In this embodiment, the shielding portion 43 is provided on the other end of the protective portion 42 away from the mounting portion 41, and the shielding portion 43 is bent from the protective portion 42 toward the spring assembly 100, so the shielding member 4 is a U-shaped structure, which can improve the enclosure effect of the spring assembly 100 and prevent the spring assembly 100 from bursting out from the space between the protective portion 42 and the spring assembly 100 itself.

[0043] Reference Figure 1 A weight-reducing hole 421 is provided on the protective part 42. In this embodiment, the weight-reducing hole 421 can reduce the overall weight of the tooling, and also reduce the material cost of the tooling, which is highly practical and easy to promote.

[0044] Reference Figure 3 , the width of the guard portion 42 is not less than the distance between the two guide rods 1. In this embodiment, the spring assembly 100 is placed between the two guide rods 1, and the two guide rods 1 can play a role of enclosure for the middle spring assembly 100. The width of the guard portion 42 is not less than the distance between the two guide rods 1, which can effectively cooperate with the guide rods 1 on both sides to enclose the spring assembly 100 and prevent the spring assembly 100 from bursting out of the space between the guide rods 1 and the guard portion 42.

[0045] Reference Figure 1 and Figure 2The second positioning member 3 includes a push plate 31 and a positioning block 32 arranged on the push plate 31. The positioning block 32 is provided with a first limiting groove 33. The push plate 31 is used to abut against the hanging plate 110 of the spring assembly 100, and the hanging plate 110 can be clamped in the first limiting groove 33. In this embodiment, the positioning block 32 and the push plate 31 can be an integrated structure, and the positioning block 32 and the push plate 31 can also be a split structure. If the positioning block 32 and the push plate 31 are a split structure, the two are fixedly connected to form a stable whole; the positioning block 32 is provided with a first limiting groove 33 on the side facing the spring assembly 100, and the first limiting groove 33 extends along the guide rod 1 and one side of the hanging plate 110 of the spring assembly 100 can be clamped in the first limiting groove 33. Therefore, the first limiting groove 33 cooperates with the push plate 31 to limit the end of the spring assembly 100 well, preventing the end of the spring assembly 100 from falling off the second positioning member 3 due to unstable force during compression, thereby improving the safety of the installation process.

[0046] More specifically, refer to Figure 1 and Figure 2 , there are two positioning blocks 32, and the first limiting grooves 33 are provided on the opposite sides of the two positioning blocks 32. The hanging plate 110 is arranged between the two positioning blocks 32, and the hanging plate 110 can be clamped in the two first limiting grooves 33. In this embodiment, there are two positioning blocks 32, and the two positioning blocks 32 are symmetrically arranged on the push plate 31 with respect to the spring assembly 100. The first limiting grooves 33 on the two positioning blocks 32 are relatively opened, and the two sides of the hanging plate 110 of the spring assembly 100 can be respectively clamped in the first limiting grooves 33 on both sides. The second positioning member 3 limits the end of the spring assembly 100 from both sides of the hanging plate 110, further improving the stability of the end of the spring assembly 100.

[0047] More specifically, refer to Figure 1 and Figure 2 The push plate 31 is provided with a second limiting groove 34, and the second limiting groove 34 is used for inserting the end of the hanging plate 110. In this embodiment, the end of the hanging plate 110 can extend into the second limiting groove 34, and the groove surface of the second limiting groove 34 abuts against the side surface of the end of the hanging plate 110 extending into the second limiting groove 34, so as to limit the hanging plate 110, thereby preventing the hanging plate 110 from shaking and deflecting in the horizontal direction, and further improving the stability of the spring assembly 100 during the compression process.

[0048] Specifically, a positioning hole is provided on the first positioning member 2, and the positioning hole is used for inserting the connecting portion 120 of the spring assembly 100, and the connecting portion 120 is limitedly matched with the positioning hole. In this embodiment, the spring assembly 100 has a connecting portion 120 on the other end opposite to the hanging plate 110, and the positioning hole is used to avoid the connecting portion 120 and limit the circumference of the connecting portion 120. The positioning hole can position the two ends of the spring assembly 100 by cooperating with the second limiting groove 34 to prevent the spring assembly 100 from shaking and deflecting during the compression process, thereby improving the stability of the spring assembly 100 during the compression process.

[0049] Reference Figures 1 to 3 The spring installation tool of the circuit breaker also includes an adjustment component 6, which includes a driving member 61 and an adjustment rod 62. The driving member 61 is fixedly connected to the first positioning member 2, one end of the adjustment rod 62 is drivingly connected to the driving member 61, and the other end of the adjustment rod 62 is connected to the second positioning member 3. The driving member 61 is used to drive the adjustment rod 62 to extend and retract. In this embodiment, the end of the adjustment rod 62 is fixedly connected to the second positioning member 3, and the extension and retraction of the adjustment rod 62 can drive the second positioning member 3 to move in two directions along the guide rod 1; the adjustment component 6 is a device with an electric extension and retraction function, which can realize a linear push on the second positioning member 3 by inputting an electrical signal; it can be understood that the adjustment component 6 can be a servo electric cylinder, the driving member 61 is a servo motor equipped with a screw structure, the adjustment rod 62 is connected to the screw structure, and the screw structure can convert the rotational motion output by the servo motor into a linear motion, thereby realizing the extension and retraction of the adjustment rod 62, and its specific structure and principle are not repeated here; in another embodiment, the adjustment component 6 can also be a cylinder or oil cylinder commonly used in the art, and its specific structure and principle are not repeated here. Specifically, when compressing the spring assembly 100 between the first positioning member 2 and the second positioning member 3, the staff drives the adjusting rod 62 to extend through the driving member 61, and then drives the second positioning member 3 to compress the spring assembly 100. After the spring assembly 100 is compressed to the specified length, the spring assembly 100 can be installed on the circuit breaker energy storage device; thereafter, the staff drives the adjusting rod 62 to retract through the driving member 61, and the second positioning member 3 moves away from the first positioning member 2. After the second positioning member 3 is completely separated from the spring assembly 100, the tooling can be removed from the spring assembly 100 from one side of the spring assembly 100, thereby completing the complete installation operation of the spring assembly 100.

[0050] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A spring installation tool for a circuit breaker, characterized in that: include: Two guide rods (1); A first positioning member (2) and a second positioning member (3) are arranged on the two guide rods (1); the first positioning member (2), the second positioning member (3) and the two guide rods (1) are used to accommodate a spring assembly (100); one end of the spring assembly (100) is pressed against the first positioning member (2), and the other end of the spring assembly (100) is pressed against the second positioning member (3); the second positioning member (3) is moved closer to or farther from the first positioning member (2) along the guide rod (1); A shielding member (4), the shielding member (4) comprising a mounting portion (41) and a protection portion (42) connected to each other, the mounting portion (41) being fixed to the first positioning member (2), and the protection portion (42) extending in the direction of the second positioning member (3).

2. The spring installation tool for circuit breaker according to claim 1, characterized in that: The mounting portion (41) is arranged on a side of the first positioning member (2) facing away from the second positioning member (3); one end of the guide rod (1) passes through the first positioning member (2) and the mounting portion (41); and one end of the guide rod (1) is connected to a fastener (5), and the fastener (5) abuts against the mounting portion (41).

3. The spring installation tool for circuit breaker according to claim 2, characterized in that: The mounting portion (41) and the protection portion (42) are integrally formed in an arc shape.

4. The spring installation tool for circuit breaker according to claim 2, characterized in that: The length of the protection portion (42) is not less than the length of the spring assembly (100).

5. The spring installation tool for circuit breaker according to claim 4, characterized in that: An end portion of the protection portion (42) away from the mounting portion (41) is bent toward the spring assembly (100) to form a shielding portion (43).

6. The spring installation tool for circuit breaker according to claim 1, characterized in that: The protection portion (42) is provided with a weight-reducing hole (421).

7. The spring installation tool for circuit breaker according to claim 1, characterized in that: The width of the protection portion (42) is not less than the distance between the two guide rods (1).

8. The spring installation tool for circuit breaker according to claim 1, characterized in that: The second positioning member (3) comprises a push plate (31) and a positioning block (32) arranged on the push plate (31); the positioning block (32) is provided with a first limiting groove (33); the push plate (31) is used to abut against the hanging plate (110) of the spring assembly (100), and the hanging plate (110) can be clamped in the first limiting groove (33).

9. The spring installation tool for circuit breaker according to claim 8, characterized in that: The push plate (31) is provided with a second limiting groove (34), and the second limiting groove (34) is used for the end of the hanging plate (110) to be inserted.

10. The spring installation tool for a circuit breaker according to any one of claims 1 to 9, characterized in that: The spring installation tool of the circuit breaker further comprises an adjustment component (6), the adjustment component (6) comprising a driving member (61) and an adjustment rod (62), the driving member (61) being fixedly connected to the first positioning member (2), one end of the adjustment rod (62) being drivingly connected to the driving member (61), and the other end of the adjustment rod (62) being connected to the second positioning member (3), the driving member (61) being used to drive the adjustment rod (62) to extend and retract.

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