CN219726112U - Pneumatic tension spring tool for installing breaker spring - Google Patents

Abstract

The utility model provides a pneumatic extension spring frock is used in installation of circuit breaker spring belongs to circuit breaker auxiliary fixtures technical field. The spring-mounted support comprises a base, wherein support plates are vertically and symmetrically arranged on two sides of the base, and a lower connecting plate used for being connected with a lower hanging plate on a spring is arranged in the center of the upper part of the base; the upper parts of the two support plates are fixedly supported with cylinder mounting plates, cylinders are fixed on the cylinder mounting plates, piston rods on the cylinders vertically face downwards and vertically correspond to the lower connecting plates, and upper connecting plates used for being connected with upper hanging plates on springs are connected to the piston rods on the cylinders. According to the pneumatic tension spring tool for spring installation, the cylinder principle is utilized to manufacture the pneumatic tension spring tool for spring installation, the manual valve is operated to realize the up-and-down motion of the cylinder, the spring is installed after being stretched, the structure is simple and compact, the operation is time-saving and labor-saving, and the safety and the reliability in the use process are high.

Description

Pneumatic tension spring tool for installing breaker spring

Technical Field

The utility model belongs to the technical field of auxiliary tools of circuit breakers, and particularly relates to a pneumatic tension spring tool for mounting a circuit breaker spring, which is used for realizing a semi-automatic pneumatic tool for hanging a spring on a closing spring of a circuit breaker.

Background

The high-voltage circuit breaker is responsible for protection and control of overload, short circuit and the like of power equipment in a high-voltage power supply and distribution system, at present, the circuit breaker does not realize full-automatic production scale, most of assembly is completed on a production line, high requirements are put forward on the consistency and reliability of assembly of parts, and along with the push-out of a modularized and integrated operating mechanism, some key parts can be assembled on the production line after being assembled on the lower part of the line. The switching-on spring at present mainly adopts when the assembly: 1. the method comprises the steps that a lever principle is used for stretching a closing spring, then the closing spring is placed into a supporting tool to keep a certain length, and the supporting tool is taken down after the closing spring is installed on a mechanism; 2. one end mounting plate of the closing spring is fixed, the other end is stretched to a certain length by a manual wire rope pulling machine or a pulling machine and then is placed into a supporting tool, and the supporting tool is taken down after the closing spring is mounted on the mechanism. The above method has the following disadvantages: (1) time is wasted, the closing spring cannot be stretched and assembled on a production line, the primary assembly is required to be carried out by arranging shifts in advance, and the working efficiency of the existing assembly method is low; (2) one person cannot finish the drawing process of the closing spring independently, and the other person is required to cooperate to assist in assembly; (3) because the tension spring support is carried out in advance, a large number of support tools are needed, and the tool utilization rate is low. In view of the above, improvements are needed.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a pneumatic tension spring tool for installing a breaker spring, and aims to manufacture the pneumatic tension spring tool for installing the spring by utilizing the cylinder principle, so that the support tool is placed after a closing spring is stretched, and the problem existing in the installation of the closing spring is solved.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the pneumatic tension spring tool for mounting the breaker spring comprises a base, wherein supporting plates are vertically and symmetrically arranged on two sides of the base, and a lower connecting plate used for being connected with a lower hanging plate on the spring is arranged in the center of the upper part of the base; the upper parts of the two supporting plates are fixedly supported with cylinder mounting plates, cylinders are fixed on the cylinder mounting plates, piston rods on the cylinders vertically face downwards and vertically correspond to the lower connecting plates, and upper connecting plates used for being connected with upper hanging plates on springs are connected to the piston rods on the cylinders.

Further limiting the scheme, the end head of the piston rod on the air cylinder is fixedly provided with a connector, the lower end of the connector is connected with the upper end of an upper connecting plate through a pin shaft, and the lower end of the upper connecting plate is provided with an upper pin hole which is used for being connected with an upper hanging plate on the spring through a pin shaft.

Further limiting the scheme, the lower connecting plate is provided with a lower pin hole which is used for being connected with a lower hanging plate on the spring through a pin shaft.

Further limiting the scheme, one side of the supporting plate is fixed with a hand-operated valve, and the air inlet and outlet interface of the side face of the air cylinder is connected with the hand-operated valve through an air pipe.

Further limiting the scheme, the lower part of the supporting plate is fixedly connected with the side face of the base through a screw, the upper part of the supporting plate is fixedly connected with the side face of the cylinder mounting plate through a screw, and the cylinder is fixed on the cylinder mounting plate through a screw.

Further limiting the scheme, the cylinder adopts a double-shaft reset stroke adjustable cylinder.

Compared with the prior art, the utility model has the advantages that:

1. according to the scheme, the pneumatic tension spring tool for spring installation is manufactured by utilizing the cylinder principle, the up-and-down motion of the cylinder is realized by operating the hand-operated valve, the spring is installed after being stretched, the stroke of the cylinder is simple to adjust, the operation is time-saving and labor-saving, and the safety and the reliability in the use process are high;

2. in the scheme, the tool can be arranged beside a production line, an assembler can directly use the tool tension spring to hang the spring and then install the tool on line, so that the circulation links are reduced, and the use of supporting tools is saved;

3. the tool has the advantages of simple and compact structure, easy operation of operators, more labor saving and higher assembly efficiency, reduces the working intensity and the working pressure of the operators, and saves the assembly cost.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

FIG. 2 is a left side view of the structure of the present utility model;

FIG. 3 is a schematic illustration of a spring assembly of the present utility model;

FIG. 4 is a second schematic illustration of the assembled spring of the present utility model;

FIG. 5 is a front view of the U-shaped plate of the present utility model with the springs installed;

fig. 6 is a top view of the U-shaped plate of the present utility model with the spring installed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-6, embodiments of the present utility model are described in detail.

Examples: the pneumatic tension spring tool for installing the breaker spring is shown in fig. 1-2, and comprises a base 1, support plates 3 are vertically and symmetrically and fixedly arranged on two sides of the base 1, a lower connecting plate 2 used for being connected with a lower hanging plate 9-1 on a spring 9 is arranged in the center of the upper portion of the base 1, and a lower pin hole 2-1 used for being connected with the lower hanging plate 9-1 on the spring 9 through a pin shaft is arranged on the lower connecting plate 2.

The upper parts of the two supporting plates 3 are fixedly supported with cylinder mounting plates 4, the cylinder mounting plates 4 are fixedly provided with cylinders 5, piston rods on the cylinders 5 vertically face downwards and vertically correspond to the lower connecting plates 2, and the piston rods on the cylinders 5 are connected with upper connecting plates 7 which are used for being connected with upper hanging plates 9-2 on springs 9.

In this embodiment, utilize cylinder principle preparation spring installation to use pneumatic extension spring frock, realize the cylinder up-and-down motion through operating the hand valve, install the spring after tensile, cylinder stroke is adjusted simply, the operation is laborsaving, and use safe reliability is high.

In one embodiment, the cylinder 5 is a dual-shaft reset stroke-adjustable cylinder.

In an embodiment, a connector 6 is fixed at the end of a piston rod on the cylinder 5, the lower end of the connector 6 is connected with the upper end of an upper connecting plate 7 through a pin shaft, and an upper pin hole 7-1 for connecting with an upper hanging plate 9-2 on a spring 9 through a pin shaft is arranged at the lower end of the upper connecting plate 7. The structure can adjust the stroke of the cylinder by adjusting the length of the screw thread of the piston rod installed in the connector.

In one embodiment, a hand valve 8 is fixed on one side of the support plate 3, and an air inlet and outlet port on the side of the air cylinder 5 is connected with the hand valve 8 through an air pipe. The hand valve 8 is mainly used for controlling the action of the air cylinder, the up-and-down movement of the air cylinder is controlled by operating the hand valve, the stretching, supporting and releasing actions of the spring are completed, the manual operation is completed, and the potential safety hazard of operation is avoided.

In one embodiment, the lower part of the supporting plate 3 is fixedly connected with the side surface of the base 1 through a screw, the upper part of the supporting plate 3 is fixedly connected with the side surface of the cylinder mounting plate 4 through a screw, and the cylinder 5 is fixed on the cylinder mounting plate 4 through a screw. The structure is simple and compact, the operation is easy for operators, the labor is saved, the assembly efficiency is high, the working strength and the working pressure of the operators are reduced, and the assembly cost is saved.

The spring hanging assembly process comprises the following steps: referring to fig. 3-6, the lower end of the assembled spring 9 is firstly put on the lower connecting plate 2 of the base 1 to pass through a shaft pin, then the cylinder 5 is controlled to descend to the vicinity of the upper hanging plate 9-2 at the upper end of the spring 9 by a hand-operated valve 8, the upper hanging plate 9-2 of the spring 9 is connected with the upper connecting plate 7 by a shaft pin through the shaft pin, the cylinder 5 is controlled to ascend to the highest point by the hand-operated valve 8, meanwhile, the left hand-operated U-shaped plate 10 is clamped at the outer side of the spring 9 and is put on the edges of the upper hanging plate and the lower hanging plate of the spring, the cylinder 5 is controlled to descend by the hand-operated valve 8, and after the U-shaped plate 10 is supported, the shaft pin of the upper hanging plate and the lower hanging plate of the spring is taken out, so that the assembly work of the spring tension spring is completed.

The tool can be arranged beside a production line, an assembler can directly use the tool tension spring to hang a spring and then install the tool on line, so that the circulation links are reduced, and the use of a supporting tool is saved; the automatic switching-on spring hanging device is compact in structure, safe and reliable to use, humanized in operation, capable of effectively improving working efficiency of a switching-on spring hanging spring, saving manpower to a certain extent, improving use frequency of a supporting tool and saving cost.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. Pneumatic tension spring frock is used in circuit breaker spring installation, its characterized in that: the spring type lifting device comprises a base (1), wherein supporting plates (3) are vertically and symmetrically arranged on two sides of the base (1), and a lower connecting plate (2) used for being connected with a lower hanging plate (9-1) on a spring (9) is arranged in the center of the upper part of the base (1); the two support plates (3) are fixedly supported on the upper parts of the support plates (4), the air cylinders (5) are fixedly arranged on the air cylinder mounting plates (4), piston rods on the air cylinders (5) vertically face downwards and vertically correspond to the lower connecting plates (2), and upper connecting plates (7) used for being connected with the upper hanging plates (9-2) on the springs (9) are connected to the piston rods on the air cylinders (5).

2. The pneumatic tension spring tool for installing the circuit breaker spring according to claim 1, wherein: the end head of a piston rod on the air cylinder (5) is fixedly provided with a connector (6), the lower end of the connector (6) is connected with the upper end of an upper connecting plate (7) through a pin shaft, and the lower end of the upper connecting plate (7) is provided with an upper pin hole (7-1) which is used for being connected with an upper hanging plate (9-2) on a spring (9) through a pin shaft.

3. The pneumatic tension spring tool for installing the circuit breaker spring according to claim 1, wherein: the lower connecting plate (2) is provided with a lower pin hole (2-1) which is used for being connected with a lower hanging plate (9-1) on the spring (9) through a pin shaft.

4. The pneumatic tension spring tool for installing the circuit breaker spring according to claim 1, wherein: a hand-operated valve (8) is fixed on one side of the supporting plate (3), and an air inlet and outlet interface on the side surface of the air cylinder (5) is connected with the hand-operated valve (8) through an air pipe.

5. The pneumatic tension spring tool for installing the circuit breaker spring according to claim 1, wherein: the lower part of the supporting plate (3) is fixedly connected with the side surface of the base (1) through a screw, the upper part of the supporting plate (3) is fixedly connected with the side surface of the cylinder mounting plate (4) through a screw, and the cylinder (5) is fixed on the cylinder mounting plate (4) through a screw.

6. The pneumatic tension spring tool for installing the circuit breaker spring according to claim 1, wherein: the cylinder (5) adopts a double-shaft reset stroke adjustable cylinder.