CN213184164U

CN213184164U - Spring operating mechanism

Info

Publication number: CN213184164U
Application number: CN202022668618.9U
Authority: CN
Inventors: 倪金松; 王豪; 应益飞
Original assignee: Changshu Switchgear Manufacturing Co Ltd
Current assignee: Changshu Switchgear Manufacturing Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-11
Anticipated expiration: 2030-11-18

Abstract

The utility model provides a spring operating mechanism, including operating mechanism and installing support, operating mechanism sets up the energy storage axle on the installing support including rotating, the energy storage spring who provides the energy for the circuit breaker combined floodgate, the energy storage axle extends to serve the fixed energy storage turning arm that is provided with after passing the installing support, energy storage spring's quiet end is fixed to be set up on the installing support, move and hold fixed the setting on second spring link plate, second spring link plate passes through the bearing and articulates on energy storage turning arm, the bearing includes outer lane and inner circle, inner circle and energy storage turning arm fixed mounting, the cover is equipped with on the outer lane on the second spring link plate, protruding flange limit of establishing on the outer lane pastes and establishes on second spring link plate one side, characteristics: the clamping groove is formed in the outer ring of the bearing, the check ring is arranged in the groove of the clamping groove and attached to the other side of the second spring hanging plate, and the second spring hanging plate is located on the bearing through the flange edge and the check ring. The advantages are that: the service life of the mechanism is prolonged, and the force transmission efficiency in the spring operating mechanism is improved.

Description

Spring operating mechanism

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, concretely relates to spring operating mechanism.

Background

The switch cabinet is required to be used in various power systems, a circuit breaker in the switch cabinet is an important element of a high-voltage power-on loop of a switching-on and switching-off switching device, and a circuit breaker mechanism enables an energy storage spring to deform through an energy storage motor or a manual energy storage method, so that the energy storage purpose is achieved, and preparation is made for switching-on of the circuit breaker.

The existing various circuit breaker operating mechanisms adopt tension springs for energy storage, as shown in fig. 1 and 2, the static end of an energy storage spring 3 is fixed on a first spring hanging plate 5, and the first spring hanging plate 5 is fixed on a spring seat 6. The movable end of the energy storage spring 3 is fixed on a second spring hanging plate 7, the second spring hanging plate 7 is hinged on a rotatable energy storage crank arm 4 through a bearing 8, and the energy storage crank arm 4 is rotatably arranged on the mounting bracket 1. The bearing 8 only has a limiting flange edge on one side, and the limiting mode on the other side is a nut and gasket combination. The nut and gasket combination 10 is used for fixing the bearing 8 on the energy storage crank arm 4 on one hand, and the positioning of the second spring hanging plate 7 is realized through the gasket and the flange edge arranged on one side of the bearing 8 on the other hand. With this arrangement, the spacer does not rotate with the bearing 8, thereby generating sliding friction with the bearing 8, which reduces the efficiency of force transmission in the spring-operated mechanism and reduces the mechanism life expectancy.

In view of the above-mentioned prior art, there is a need for a reasonable improvement in existing spring operated mechanisms. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

SUMMERY OF THE UTILITY MODEL

The task of the utility model is to provide a spring operating mechanism, it has solved the problem among the prior art, has prolonged the life of mechanism, improves the transmission efficiency of the power among the spring operating mechanism greatly, obtains better transmission effect.

The utility model aims to realize the task, and provides a spring operating mechanism which comprises an operating mechanism for realizing the switching on and off of a breaker and a mounting bracket for mounting the operating mechanism, wherein the operating mechanism comprises an energy storage shaft which is rotatably arranged on the mounting bracket and an energy storage spring which provides energy for the switching on of the breaker, the energy storage shaft passes through the mounting bracket and extends out of one shaft end and is fixedly provided with an energy storage connecting lever, the static end of the energy storage spring is fixedly arranged on the mounting bracket, the dynamic end of the energy storage spring is fixedly arranged on a second spring hanging plate, the second spring hanging plate is hinged on the energy storage connecting lever through a bearing, the bearing comprises an outer ring and an inner ring, the inner ring and the energy storage connecting lever are fixedly arranged, the outer ring is sleeved with the second spring, a flange edge which is convexly arranged on the outer ring is attached on one side of the second spring hanging plate, a clamping groove is formed in the outer ring of the bearing, a check ring is arranged in the groove of the clamping groove and attached to the other side of the second spring hanging plate, and the second spring hanging plate is positioned on the bearing through a flange edge and the check ring.

In a specific embodiment of the present invention, the flange is protruded at one end of the outer ring of the bearing, and the groove is formed at the other end of the outer ring.

In another specific embodiment of the present invention, the flange is protruded at an end of the outer ring close to the mounting bracket, and the groove is opened at an end of the outer ring away from the mounting bracket.

In another specific embodiment of the present invention, the flange is protruded at an end of the outer ring away from the mounting bracket, and the groove is formed at an end of the outer ring close to the mounting bracket.

In the utility model discloses a still another concrete embodiment, the inner circle of bearing is used for supplying the leading end of energy storage turning arm to pass, and fixed mounting has nut gasket combination on the leading end of passing the inner circle, realizes the fixed mounting to the bearing inner circle.

The utility model discloses owing to adopted above-mentioned structure, the beneficial effect who has: offer the draw-in groove on the other end outside the division flange end of bearing inner race, set up the retaining ring in the inslot of draw-in groove, thus, second spring link plate cover is established on the outer race and both sides face realizes the location through retaining ring and flange limit respectively, the inner circle of bearing passes through the nut gasket combination with bearing fixed mounting on the leading end of energy storage turning arm, when rotating, the nut gasket combination can not take place the friction with the outer lane of bearing, this design accords with the design operation requirement of bearing completely, the problem among the prior art has been solved, the service life of mechanism has been prolonged, improve the transmission efficiency of the power among the spring operating device greatly, obtain better transmission effect.

Drawings

Fig. 1 is a perspective view of a spring operated mechanism according to the prior art.

Fig. 2 is a schematic view illustrating the installation of a second spring hanging plate in the spring operating mechanism of the prior art.

Fig. 3 is a perspective view of the spring operating mechanism of the present invention.

Fig. 4 is an installation schematic diagram of the second spring hanging plate in the spring operating mechanism of the present invention.

Fig. 5 is an installation and explosion diagram of the second spring hanging plate in the spring operating mechanism of the present invention.

Fig. 6 is a side view of a bearing in a spring operated mechanism according to the present invention.

In the figure: 1. mounting a bracket; 2. an energy storage shaft; 3. an energy storage spring; 4. an energy storage crank arm 41, a guide end; 5. a first spring hanging plate; 6. a spring seat; 7. a second spring hanging plate; 8. bearing, 81, outer ring, 811, flange edge, 812, clamping groove and 82, inner ring; 9. a retainer ring; 10. and (5) combining a nut and a gasket.

Detailed Description

The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments by the applicant is not intended to limit the technical solutions, and any changes made according to the present invention rather than the essential changes should be considered as the protection scope of the present invention.

In the following description, any concept relating to the directions or orientations of up, down, left, right, front, and rear is based on the position shown in the corresponding drawings, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 3, the utility model relates to a spring operating mechanism, including the operating device who is used for realizing the circuit breaker and closes the separating brake and the installing support 1 that is used for installing operating device, operating device include energy storage shaft 2, for the circuit breaker closes the energy storage spring 3 that provides the energy, energy storage shaft 2 rotate and drive energy storage spring 3 and stretch and realize the energy storage, make preparation for the circuit breaker closes the floodgate. Specifically, the mounting bracket 1 comprises two side plates, the operating mechanism is fixedly mounted between the two side plates which are oppositely arranged face to face, the energy storage shaft 2 is rotatably arranged between the two side plates, and the two energy storage springs 3 are respectively arranged on the outer sides of the left side plate and the right side plate and are in transmission connection with the energy storage shaft 2. Generally, the energy storage spring 3 stores energy by realizing the rotation of the energy storage shaft 2 through the action of an energy storage motor or manual operation. For a specific energy storage process, reference may be made to chinese utility model patent publication No. CN 203415489U.

As shown in fig. 3, the energy storage spring 3 is fixed in such a way, an energy storage crank arm 4 is fixedly arranged on one shaft end of the energy storage shaft 2 extending out after penetrating through the mounting bracket 1, the energy storage spring 3 is correspondingly arranged on one side of the energy storage crank arm 4, the static end of the energy storage spring 3 is fixedly arranged on the mounting bracket 1, and the moving end of the energy storage spring 3 is in transmission connection with the energy storage crank arm 4. Specifically, the fixed setting of energy storage spring 3's quiet end is on first spring link plate 5, first spring link plate 5 pass through spring holder 6 and fixed the setting on the bottom plate (not shown in the figure) of installing support 1, energy storage spring 3's the fixed setting of moving end is on second spring link plate 7, second spring link plate 7 articulates on rotatable energy storage connecting lever 4 through bearing 8.

As shown in fig. 4 to 6, the bearing 8 includes an outer ring 81, an inner ring 82, rolling elements (not shown) disposed between the outer ring 81 and the inner ring 82 for bearing a load, and a cage (not shown) for uniformly spacing the rolling elements, wherein the outer ring 81 rotates around the inner ring via the rolling elements, the rolling elements are needles or balls, and others may be sufficient. Inner circle 82 and energy storage connecting lever 4 fixed mounting, outer lane 81 on the cover be equipped with second spring link plate 7 on, flange 811 subsides that the epirelief was established in outer lane 81 are established on second spring link plate 7 one side, draw-in groove 812 has been seted up on bearing 8's outer lane 81 be provided with retaining ring 9 in the groove of draw-in groove 812, retaining ring 9 pastes the opposite side of establishing at second spring link plate 7, realizes the location of second spring link plate 7 on bearing 8 through flange 811 and retaining ring 9.

Specifically, flange 811 for location is protruding to be established on one end of outer lane 81 of bearing 8, draw-in groove 812 is seted up on the other end of outer lane 81, like this, the outer lane 81 of bearing 8 is worn to establish in the through-hole that second spring strap 7 was seted up, the location is realized through retaining ring 9 and flange 811 respectively to the both sides face of second spring strap 7. In this embodiment, the flange 811 is protruded at an end of the outer ring 81 close to the mounting bracket 1, and the engaging groove 812 is opened at an end of the outer ring 81 far from the mounting bracket 1. In addition, it is also possible that the flange 811 is protruded from an end of the outer ring 81 far from the mounting bracket 1, and the locking groove 812 is opened at an end of the outer ring 81 near the mounting bracket 1.

The inner ring 82 of the bearing 8 is penetrated through by the guide end 41 of the energy storage crank arm 4, and the nut and gasket combination 10 is fixedly installed on the guide end 41 penetrating through the inner ring 82, so that the inner ring 82 of the bearing 8 is fixedly installed. Compared with the prior art, the gasket can adopt smaller size, the external diameter of gasket be not more than the diameter of outer lane inner wall, like this, the gasket can be directly fixed with leading end 41 with the nut for the gasket is located between inner circle 82 and outer lane 81, does not directly paste with outer lane 81 and establishes, just so can avoid gasket and outer lane 81 to produce the friction.

Referring to fig. 3 to fig. 6, the working process of the spring operating mechanism of the present invention is as follows: when energy is required to be stored, the energy storage shaft 2 is driven to rotate by a motor or manual operation, the energy storage crank arm 4 is driven to rotate by the rotation of the energy storage shaft 2, the bearing 8 rotates along with the energy storage crank arm 4, the energy storage spring 3 is pulled to the designed length and is kept, and the energy storage operation is completed. When energy needs to be released, the energy storage crank arm 4 is actuated through other tripping components of the operating mechanism, and the energy storage spring 3 contracts to release energy.

When the energy storage crank arm 4 rotates, the relative position of the energy storage crank arm 4, the nut and gasket combination 10 and the inner ring 82 of the bearing 8 is fixed, the relative position of the second spring hanging plate 7, the retainer ring 9 and the outer ring 81 of the bearing 8 is fixed, and the relative motion at the hinged part is only generated on the inner ring 82 and the outer ring 81 of the bearing 8, so that the design and use requirements of the bearing 8 are met.

Claims

1. The utility model provides a spring operating mechanism, is including being used for realizing operating mechanism that the circuit breaker closed and opened the floodgate and installing support (1) that is used for installing operating mechanism, operating mechanism including rotate energy storage axle (2) of setting on installing support (1), energy storage spring (3) for the circuit breaker combined floodgate provides energy, energy storage axle (2) pass and extend behind installing support (1) and serve fixedly to be provided with energy storage connecting lever (4), the quiet end of energy storage spring (3) is fixed to be set up on installing support (1), the dynamic end of energy storage spring (3) is fixed to be set up on second spring link plate (7), second spring link plate (7) articulate on energy storage connecting lever (4) through bearing (8), bearing (8) include outer lane (81) and inner circle (82), inner circle (82) and energy storage connecting lever (4) fixed mounting, outer lane (81) on the cover be equipped with second spring link plate (7), protruding flange limit (811) of establishing on outer lane (81) paste and establish on second spring link plate (7) one side, its characterized in that: a clamping groove (812) is formed in an outer ring (81) of the bearing (8), a check ring (9) is arranged in a groove of the clamping groove (812), the check ring (9) is attached to the other side of the second spring hanging plate (7), and the second spring hanging plate (7) is located on the bearing (8) through a flange edge (811) and the check ring (9).

2. A spring operating mechanism according to claim 1, wherein said flange (811) is provided projecting from one end of the outer race (81) of the bearing (8), and said catch (812) is provided on the other end of said outer race (81).

3. A spring operated mechanism according to claim 2 wherein the flange (811) projects from the end of the outer race (81) adjacent the mounting bracket (1) and the detent (812) opens into the end of the outer race (81) remote from the mounting bracket (1).

4. A spring operated mechanism according to claim 2 wherein the flange (811) projects from the end of the outer race (81) remote from the mounting bracket (1) and the detent (812) opens into the end of the outer race (81) adjacent the mounting bracket (1).

5. The spring operating mechanism is characterized in that the inner ring (82) of the bearing (8) is used for the guide end (41) of the energy storage crank arm (4) to penetrate through, and the nut and gasket combination (10) is fixedly installed on the guide end (41) penetrating through the inner ring (82) to realize the fixed installation of the inner ring (82) of the bearing (8).