CN203752092U - Spring disassembling mechanism - Google Patents

Abstract

This utility model discloses a tool for disassembling and assembling the closing spring of a spring-operated mechanism, comprising: a frame having first and second screws; a support cylinder having a cylinder portion and a plate, the plate having an adjustment hole, the support cylinder being arranged between the first and second screws, with the plate having two sides respectively passing through the first and second screws, and each of the first and second screws having a screw adjusting nut; a first cylinder sleeved on the upper part of the cylinder portion and fixedly connected to the first and second screws respectively via connecting parts, the top of the first cylinder having a first plate portion; and an energy storage spring assembly having an energy storage spring tray, an energy storage spring, and a pull rod. This utility model has a simple structure and will not damage the closing spring of the spring-operated mechanism during disassembly and assembly, providing effective protection. This utility model is safe and efficient during disassembly and assembly, while also saving time and effort, effectively reducing the difficulty of disassembling and assembling the closing spring of the spring-operated mechanism and improving disassembly and assembly efficiency.

Description

spring removal mechanism

technical field

The utility model relates to a spring operating mechanism closing spring disassembly tool, which belongs to the field of mechanical maintenance and overhaul tools.

Background technique

At present, circuit breakers of 110KV and above in power companies and GIS use a large number of spring operating mechanisms. The spring operating mechanism is a mechanical operating mechanism with a spring as the main component. It uses the stored energy spring as the power to realize circuit breaker The opening and closing operation of the device. There will be two situations during the operation of the spring operating mechanism: one is that the closing spring needs to be replaced, and when the closing spring is not in the energy storage state, the closing spring has a certain initial pressure; Due to a mechanical failure during the braking process, the energy of the closing spring is only partially released and then blocked by other mechanical parts. At this time, the closing spring still has more energy not released. In both cases, the closing spring needs to be disassembled to solve the problems encountered in the above two cases. However, the tools in the prior art cannot realize labor-saving and efficient disassembly and assembly well. Although the patent publication numbers CN201544195U and CN202922537U disclose a spring dismounting tool, there are certain limitations and cannot solve the problems mentioned above.

Utility model content

In order to solve the above-mentioned problems in the prior art, the utility model provides a spring operating mechanism closing spring dismounting tool that reduces the difficulty of disassembling and assembling the closing spring of the spring operating mechanism and improves the disassembling efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: a spring operating mechanism closing spring disassembly tool, including: a frame body, which has first and second screw rods arranged longitudinally; a support cylinder body, which has a cylinder The body part and the plate body arranged at the bottom of the cylinder part, the plate body is provided with an adjustment hole, the adjustment hole is located below the hollow part of the cylinder part, and the support cylinder is arranged on the first and second screw rods between, and the two sides of the plate body are respectively installed on the first and second screw rods, and a screw adjusting nut is respectively arranged on the first and second screw rods, and the screw adjusting nut is located on the lower side of the plate body; the first A cylinder, which is sheathed on the upper part of the cylinder, and fixedly connected to the first and second screws respectively through the connecting piece, the top of the first cylinder is provided with the first plate body; the energy storage spring assembly, which has An energy storage spring tray, an energy storage spring and a pull rod, the energy storage spring tray is arranged at the bottom of the first cylinder and above the cylinder part, the outer diameter of the energy storage spring tray is larger than the inner diameter of the cylinder part, and the energy storage spring is arranged along the It is longitudinally arranged in the first cylinder, and its bottom end is connected to the energy storage spring tray, and its top end is connected to the first plate body. The adjusting nut is connected, and the top end passes through the first plate body.

The working principle of the utility model is as follows: when the closing spring needs to be replaced, first loosen the spring adjustment nut, the closing spring will give a downward pressure to the energy storage spring tray, and the energy storage spring tray will transmit the pressure to the support cylinder to support The cylinder transmits the pressure to the screw adjusting nut through the plane bearing. By loosening the screw adjustment nut, the pressure transmitted by the closing spring is gradually reduced. By repeating the above actions, the pressure of the closing spring will be gradually reduced until the pressure of the closing spring is completely released, and then remove the closing spring removal tool to safely remove the closing spring. When installing the closing spring, use the above principles to gradually tighten the screw adjusting nut so that the closing spring has a certain preload.

Compared with the prior art, the utility model has the following advantages: (1) the utility model is simple in structure, and the closing spring of the spring operating mechanism will not be damaged during the disassembly process, which provides effective protection; (2) the utility model is used in The disassembly process is safe and efficient, and at the same time saves time and labor, effectively reduces the difficulty of disassembly and assembly of the closing spring of the spring operating mechanism, and improves the disassembly efficiency.

Description of drawings

Fig. 1 is a sectional view of the closing spring dismounting tool of the spring operating mechanism.

Figure 2 is an enlarged view of point S in Figure 1 .

Fig. 3 is an enlarged view of K in Fig. 1 .

In the figure, 11-first screw, 12-second screw, 21-cylinder, 22-plate, 3-first cylinder, 31-first plate, 32-connector, 41-energy storage Spring pallet, 42-energy storage spring, 43-pull rod.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

As shown in Figures 1 to 3, a spring operating mechanism closing spring disassembly tool includes a frame body, which has first and second screw rods 11 and 12 arranged longitudinally. On the whole, the first and second The screws 11, 12 are parallel.

A support cylinder is provided between the first and second screw rods 11 and 12, the support cylinder has a cylinder part 21 and a plate 22 arranged at the bottom of the cylinder part 21, and an adjustment hole is set on the plate 22 , the adjustment hole is located below the hollow part of the cylinder part 21, the support cylinder is arranged between the first and second screw rods 11 and 12, and the two sides of the plate body are respectively installed on the first and second screw rods On 11 and 12 , a screw adjusting nut is provided on the first and second screw 11 and 12 respectively, and the screw adjusting nut is located on the lower side of the plate body 22 .

The purpose of setting the adjustment hole is to facilitate the adjustment of the spring adjustment nut, which will be described in detail below.

The upper part of the cylindrical body 21 is sleeved with a first cylindrical body 3, and the first cylindrical body 3 is fixedly connected to the first and second screw rods 11 and 12 respectively through the connecting piece 32, and the top of the first cylindrical body 3 is provided with a first Board body part 31 .

It also includes an energy storage spring assembly, which has a circular energy storage spring tray 41, an energy storage spring 42 and a pull rod 43. The energy storage spring tray 41 is arranged at the bottom of the first cylinder 3 and is located above the cylinder part 21, The outer diameter of the energy storage spring tray 41 is larger than the inner diameter of the cylinder part 21, the energy storage spring 42 is arranged longitudinally in the first cylinder body 1, and its bottom end is connected with the energy storage spring tray 41, and its top end is connected with the first plate body part 31 , the pull rod 43 passes through the energy storage spring 42 , the bottom end passes through the energy storage spring tray 41 and is connected with the spring adjustment nut, and the top end passes through the first plate body part 31 .

By operating the spring adjustment nut and the screw rod adjustment nut, the pull rod can be lifted or reset, thereby releasing the pressure on the closing spring of the spring operating mechanism.

In this embodiment, as an improvement, the first and second screw rods 11 and 12 are respectively provided with (passed through) a plane bearing, and the plane bearing is located between the plate body 22 and the screw adjusting nut.

On the one hand, the pull rod 43 has a first rod-shaped part on the upper part and a second rod-shaped part on the lower part, and the lower part of the second rod-shaped part is passed through the energy storage spring tray 41 through a sleeve. The upper part of the second rod-shaped part has a concave part, and the bottom part of the first rod-shaped part is arranged in the concave part, and is connected with the second rod-shaped part through a fixing pin.

On the other hand, the connecting piece 32 is in the shape of a plate, and the connecting piece 32 is passed through the screw rod, and a fastening nut is respectively arranged on two sides of the connecting piece 32 .

It should be noted that the first cylindrical body 3 , the energy storage spring 42 and the pull rod 43 are coaxially arranged.

Since structures such as the first screw rod, the second screw rod, the support cylinder and the first cylinder are detachably connected in this scheme, the assembly process and disassembly process of the disassembly tool are relatively convenient and will not be described in detail.

The working principle of the utility model is as follows: when the closing spring needs to be replaced, first loosen the spring adjustment nut, the closing spring will give a downward pressure to the energy storage spring tray, and the energy storage spring tray will transmit the pressure to the support cylinder to support The cylinder transmits the pressure to the screw adjusting nut through the plane bearing. By loosening the screw adjustment nut, the pressure transmitted by the closing spring is gradually reduced.

By repeating the above actions, the pressure of the closing spring will be gradually reduced until the pressure of the closing spring is completely released, and then remove the closing spring removal tool to safely remove the closing spring.

When installing the closing spring, use the above principles to gradually tighten the screw adjusting nut so that the closing spring has a certain preload.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (5)

1. A spring operating mechanism closing spring dismounting tool is characterized in that, comprising: A frame body having first and second screw rods (11, 12) arranged longitudinally; A support cylinder, which has a cylinder part (21) and a plate (22) at the bottom of the cylinder (21), the plate (22) is provided with an adjustment hole, and the adjustment hole is located in the cylinder Below the hollow part (21), the support cylinder is arranged between the first and second screws (11, 12), and the two sides of the plate are respectively installed on the first and second screws (11, 12). ), the first and second screws (11, 12) are respectively provided with a screw adjusting nut, and the screw adjusting nut is located on the lower side of the plate body (22); The first cylinder (3), which is sleeved on the upper part of the cylinder part (21), and is fixedly connected with the first and second screws (11, 12) respectively through the connecting piece (32), the first cylinder The top of the body (3) is provided with a first plate body (31); The energy storage spring assembly has an energy storage spring tray (41), an energy storage spring (42) and a pull rod (43). The energy storage spring tray (41) is arranged at the bottom of the first cylinder (3) and is located in the cylinder part (21), the outer diameter of the energy storage spring tray (41) is larger than the inner diameter of the cylinder part (21), and the energy storage spring (42) is arranged longitudinally in the first cylinder (1), and its bottom end Connected with the energy storage spring tray (41), the top end is connected with the first board body (31), the pull rod (43) is passed through the energy storage spring (42), and the bottom end passes through the energy storage spring tray (41) And it is connected with the spring adjustment nut, and the top end passes through the first plate body (31). 2. The spring operating mechanism closing spring disassembly tool according to claim 1, characterized in that: A plane bearing is arranged on the first and second screw rods (11, 12), respectively, and the plane bearing is located between the plate body (22) and the screw rod adjusting nut. 3. The spring operating mechanism closing spring disassembly tool according to claim 1, characterized in that: The pull rod (43) has a first rod-shaped part on the upper part and a second rod-shaped part on the lower part, and the lower part of the second rod-shaped part is passed through the energy storage spring tray (41) through a sleeve. The upper part of the second rod-shaped part has a concave part; the bottom part of the first rod-shaped part is arranged in the concave part, and is connected with the second rod-shaped part through a fixing pin. 4. The spring operating mechanism closing spring disassembly tool according to claim 1, characterized in that: The connecting piece (32) is in the shape of a plate, the connecting piece (32) is passed through the screw rod, and a fastening nut is respectively arranged on both sides of the connecting piece (32). 5. The spring operating mechanism closing spring dismounting tool according to any one of claims 1 to 4, characterized in that: The first barrel (3), the energy storage spring (42) and the pull rod (43) are coaxially arranged.