CN203339008U - Opening limit closing buffer structure of load switch - Google Patents

Opening limit closing buffer structure of load switch Download PDF

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Publication number
CN203339008U
CN203339008U CN2013203670114U CN201320367011U CN203339008U CN 203339008 U CN203339008 U CN 203339008U CN 2013203670114 U CN2013203670114 U CN 2013203670114U CN 201320367011 U CN201320367011 U CN 201320367011U CN 203339008 U CN203339008 U CN 203339008U
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load switch
crank arm
buffer
operating shaft
closing
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高明春
徐忠秋
吴其乐
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Jiangsu Daqo Changjiang Electric Co Ltd
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Jiangsu Daqo Changjiang Electric Co Ltd
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Abstract

本实用新型公开了一种负荷开关的分闸限位合闸缓冲结构。它括一个拐臂,拐臂的中部连接在操作转轴上并可在操作转轴的带动下摆动,拐臂的前后两端分别设置有一个滚轮,所述操作转轴一侧的框架上分别设置有与两个滚轮位置相对的限位装置和油缓冲器,拐臂在操作转轴的带动下可使两个滚轮选择性的靠压在限位装置和油缓冲器上。采用上述的结构后,当负荷开关合闸时,防止负荷开关的操作机构由于惯性力和合闸弹簧的力量较大造成过行程,导致拐臂部分和负荷开关的本体相碰,损坏复合开关本体,当负荷开关分闸时,可以通过油缓冲器起到消除反弹的作用,由此实现了负荷开关操作时起到合闸限位和消除分闸反弹,达到负荷开关操作机械特性的要求。

Figure 201320367011

The utility model discloses an opening, limiting and closing buffer structure of a load switch. It includes a crank arm, the middle part of the crank arm is connected to the operating shaft and can swing under the drive of the operating shaft, the front and rear ends of the crank arm are respectively provided with a roller, and the frame on one side of the operating shaft is respectively provided with a The position of the two rollers is relative to the limit device and the oil buffer, and the crank arm can make the two rollers selectively press against the limit device and the oil buffer under the drive of the operating shaft. After the above structure is adopted, when the load switch is closed, the operating mechanism of the load switch is prevented from overtravel due to the inertial force and the force of the closing spring, which will cause the crank arm part to collide with the load switch body and damage the composite switch body. When the load switch is opened, the oil buffer can be used to eliminate the rebound, thus realizing the closing limit and eliminating the opening rebound when the load switch is operated, and meeting the requirements of the mechanical characteristics of the load switch operation.

Figure 201320367011

Description

负荷开关的分闸限位合闸缓冲结构Opening limit closing buffer structure of load switch

技术领域 technical field

本实用新型涉及一种负荷开关的分闸限位合闸缓冲结构,属于中高压输配电技术领域。 The utility model relates to an opening, limiting and closing buffer structure of a load switch, which belongs to the technical field of medium and high voltage power transmission and distribution.

背景技术 Background technique

在电力配电系统开关设备中,由于负荷开关的操作机构部分空间内部非常狭小,需要在负荷开关传动的本体上增加限位机构和缓冲机构,现有限位机构和缓冲机构设置不合理,一方面结构复杂,操作不便,灵活性差,另一方面由于操作的可靠性差,容易损坏负荷开关本体。 In the switchgear of the power distribution system, because the space of the operating mechanism of the load switch is very narrow, it is necessary to add a limit mechanism and a buffer mechanism to the body of the load switch drive. The existing limit mechanism and buffer mechanism are unreasonable. On the one hand The structure is complicated, the operation is inconvenient, and the flexibility is poor. On the other hand, due to the poor reliability of the operation, the load switch body is easy to be damaged.

发明内容 Contents of the invention

本实用新型要解决的技术问题是提供一种能够提高操作可靠性,避免负荷开关被损坏的负荷开关的分闸限位合闸缓冲结构。 The technical problem to be solved by the utility model is to provide an opening, limiting and closing buffer structure of the load switch which can improve the operation reliability and prevent the load switch from being damaged.

为了解决上述技术问题,本实用新型的负荷开关的分闸限位合闸缓冲结构,包括一个拐臂,拐臂的中部连接在操作转轴上并可在操作转轴的带动下摆动,拐臂的前后两端分别设置有一个滚轮,所述操作转轴一侧的框架上分别设置有与两个滚轮位置相对的限位装置和油缓冲器,拐臂在操作转轴的带动下可使两个滚轮选择性的靠压在限位装置和油缓冲器上。 In order to solve the above-mentioned technical problems, the opening, limiting and closing buffer structure of the load switch of the present invention includes a crank arm, the middle part of which is connected to the operating shaft and can swing under the drive of the operating shaft. Two rollers are respectively provided at both ends, and the frame on one side of the operating shaft is respectively provided with a limit device and an oil buffer opposite to the position of the two rollers, and the crank arm can make the two rollers selectively The leaning against the limit device and the oil buffer.

所述限位装置包括一个垫块,垫块的正面与拐臂前端的滚轮位置相对,垫块背面连接有一根螺杆,所述垫块通过螺杆固定连接在框架上。 The limiting device includes a spacer, the front of the spacer is opposite to the position of the roller at the front end of the crank arm, and a screw is connected to the back of the spacer, and the spacer is fixedly connected to the frame through the screw.

所述垫块与框架之间设置有缓冲件。 A buffer is provided between the spacer and the frame.

所述缓冲件为牛筋垫圈。 The buffer is a tendon washer.

采用上述的结构后,由于设置的与两个滚轮位置相对的限位装置和油缓冲器,当负荷开关合闸时,通过限位装置上的缓冲件进行缓冲,使机构停止运动,防止负荷开关的操作机构由于惯性力和合闸弹簧的力量较大造成过行程,导致拐臂部分和负荷开关的本体相碰,损坏复合开关本体,当负荷开关分闸时,油缓冲器可以根据所需行程调节油缓冲器与拐臂之间的距离,且油缓冲器的压力也可调节,由此可以通过油缓冲器起到消除反弹的作用,由此实现了负荷开关操作时起到合闸限位和消除分闸反弹,达到负荷开关操作机械特性的要求。 After adopting the above-mentioned structure, because of the limit device and the oil buffer set opposite to the position of the two rollers, when the load switch is closed, it will be buffered by the buffer on the limit device to stop the mechanism and prevent the load switch from moving. Due to the inertial force and the large force of the closing spring, the operating mechanism of the operating mechanism causes overtravel, which causes the arm part to collide with the load switch body and damage the composite switch body. When the load switch is opened, the oil buffer can be adjusted according to the required stroke. The distance between the oil buffer and the crank arm, and the pressure of the oil buffer can also be adjusted, so that the rebound can be eliminated through the oil buffer, thus realizing the closing limit and Eliminate opening bounce and meet the requirements of the mechanical characteristics of the load switch operation.

附图说明 Description of drawings

图1为本实用新型的合闸状态结构示意图; Fig. 1 is the structure diagram of closing state of the utility model;

图2为本实用新型的分闸状态结构示意图。 Fig. 2 is a schematic diagram of the structure of the utility model in the opening state.

具体实施方式 Detailed ways

下面结合附图和具体实施方式,对本实用新型的负荷开关的分闸限位合闸缓冲结构作进一步详细说明。 The opening, limiting and closing buffer structure of the load switch of the present invention will be further described in detail in conjunction with the accompanying drawings and specific implementation methods.

如图所示,本实用新型的负荷开关的分闸限位合闸缓冲结构,包括一个拐臂1,拐臂1的中部连接在操作转轴上并可在操作转轴的带动下摆动,拐臂1的前后两端分别设置有一个滚轮2, 操作转轴一侧的框架3上分别设置有与两个滚轮2位置相对的限位装置8和油缓冲器4,拐臂1在操作转轴的带动下可使两个滚轮2选择性的靠压在限位装置3和油缓冲器4上,位装置3包括一个垫块5,垫块5的正面与拐臂1前端的滚轮位置相对,垫块5背面连接有一根螺杆6,垫块5通过螺杆6固定连接在框架3上,块5与框架3之间设置有缓冲件7,缓冲件7为牛筋垫圈。 As shown in the figure, the opening, limiting and closing buffer structure of the load switch of the present invention includes a crank arm 1, the middle part of which is connected to the operating shaft and can swing under the drive of the operating shaft. A roller 2 is respectively arranged at the front and rear ends of the handle, and the frame 3 on one side of the operating shaft is respectively provided with a limit device 8 and an oil buffer 4 opposite to the two rollers 2, and the crank arm 1 is driven by the operating shaft. The two rollers 2 are selectively pressed against the limit device 3 and the oil buffer 4. The position device 3 includes a cushion block 5. The front of the cushion block 5 is opposite to the position of the roller at the front end of the crank arm 1, and the back of the cushion block 5 A screw rod 6 is connected, and the cushion block 5 is fixedly connected on the frame 3 through the screw rod 6, and a buffer piece 7 is arranged between the block 5 and the frame 3, and the buffer piece 7 is a tendon washer.

其工作原理如下: It works as follows:

当负荷开关合闸时,机构带动六角轴连同拐臂一起转动,拐臂转动一定角度后与垫块撞击,缓冲件7进行缓冲,使机构停止运动,防止负荷开关的操作机构由于惯性力和合闸弹簧的力量较大造成过行程,导致拐臂部分和负荷开关的本体相碰,损坏复合开关本体, When the load switch is closed, the mechanism drives the hexagonal shaft to rotate together with the crank arm. After the crank arm rotates at a certain angle, it hits the pad, and the buffer member 7 buffers the mechanism to stop the movement and prevent the operating mechanism of the load switch from being due to inertia force and closing. The force of the spring is too large to cause overtravel, causing the arm part to collide with the body of the load switch and damage the body of the composite switch.

当负荷开关分闸时,拐臂1下端的滚轮与油缓冲器接触,油缓冲器采用全螺纹的表面可以根据所需行程调节油缓冲器与拐臂之间的距离,且油缓冲器的压力也可调节,由此可以通过油缓冲器起到消除反弹的作用,由此实现了负荷开关操作时起到合闸限位和消除分闸反弹,达到负荷开关操作机械特性的要求。 When the load switch is opened, the roller at the lower end of the crank arm 1 contacts the oil buffer. The oil buffer adopts a fully threaded surface to adjust the distance between the oil buffer and the crank arm according to the required stroke, and the pressure of the oil buffer It can also be adjusted, so that the oil buffer can be used to eliminate the rebound, thereby realizing the closing limit and eliminating the opening rebound when the load switch is operated, and meeting the requirements of the mechanical characteristics of the load switch operation.

Claims (4)

1.一种负荷开关的分闸限位合闸缓冲结构,包括一个拐臂(1),拐臂(1)的中部连接在操作转轴上并可在操作转轴的带动下摆动,其特征在于:所述拐臂(1)的前后两端分别设置有一个滚轮(2), 所述操作转轴一侧的框架(3)上分别设置有与两个滚轮(2)位置相对的限位装置(8)和油缓冲器(4),所述拐臂(1)在操作转轴的带动下可使两个滚轮(2)选择性的靠压在限位装置(3)和油缓冲器(4)上。 1. An opening, limiting and closing buffer structure of a load switch, comprising a crank arm (1), the middle part of which is connected to the operating shaft and can swing driven by the operating shaft, characterized in that: The front and rear ends of the crank arm (1) are respectively provided with a roller (2), and the frame (3) on one side of the operating shaft is respectively provided with a limit device (8) opposite to the position of the two rollers (2). ) and the oil buffer (4), the crank arm (1) can make the two rollers (2) selectively press against the limit device (3) and the oil buffer (4) under the drive of the operating shaft . 2.按照权利要求1所述的负荷开关的分闸限位合闸缓冲结构,其特征在于:所述限位装置(3)包括一个垫块(5),垫块(5)的正面与拐臂(1)前端的滚轮位置相对,垫块(5)背面连接有一根螺杆(6),所述垫块(5)通过螺杆(6)固定连接在框架(3)上。 2. The opening, limiting and closing buffer structure of the load switch according to claim 1, characterized in that: the limit device (3) includes a pad (5), and the front of the pad (5) is in contact with the turning The rollers at the front end of the arm (1) are opposite to each other, and a screw (6) is connected to the back of the spacer (5), and the spacer (5) is fixedly connected to the frame (3) through the screw (6). 3.按照权利要求2所述的负荷开关的分闸限位合闸缓冲结构,其特征在于:所述垫块(5)与框架(3)之间设置有缓冲件(7)。 3. The opening, limiting and closing buffer structure of the load switch according to claim 2, characterized in that a buffer (7) is arranged between the pad (5) and the frame (3). 4.按照权利要求3所述的负荷开关的分闸限位合闸缓冲结构,其特征在于:所述缓冲件(7)为牛筋垫圈。 4. The opening, limiting and closing buffer structure of the load switch according to claim 3, characterized in that: the buffer (7) is a tendon washer.
CN2013203670114U 2013-06-25 2013-06-25 Opening limit closing buffer structure of load switch Expired - Lifetime CN203339008U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109038295A (en) * 2018-08-13 2018-12-18 浙江华仪电器科技有限公司 A kind of buffer unit and its high-tension switch cabinet for operating mechanism
CN109300731A (en) * 2018-09-28 2019-02-01 宁波耐森电气科技有限公司 A kind of improved load switch operation mechanism
CN110277258A (en) * 2019-07-25 2019-09-24 江苏洛凯电气有限公司 Splitting lock cushioning mechanism, on-load switch mechanism
CN110808183A (en) * 2019-11-08 2020-02-18 乐清市上科电器有限公司 External manual operation device for circuit breaker
CN110931280A (en) * 2019-12-16 2020-03-27 西安交通大学 Oil buffer structure for electromagnetic repulsion operating mechanism and working method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109038295A (en) * 2018-08-13 2018-12-18 浙江华仪电器科技有限公司 A kind of buffer unit and its high-tension switch cabinet for operating mechanism
CN109038295B (en) * 2018-08-13 2024-05-31 浙江华仪电器科技有限公司 Buffer device for operating mechanism and high-voltage switch cabinet thereof
CN109300731A (en) * 2018-09-28 2019-02-01 宁波耐森电气科技有限公司 A kind of improved load switch operation mechanism
CN109300731B (en) * 2018-09-28 2024-03-29 宁波耐森电气科技有限公司 Improved load switch operating mechanism
CN110277258A (en) * 2019-07-25 2019-09-24 江苏洛凯电气有限公司 Splitting lock cushioning mechanism, on-load switch mechanism
CN110277258B (en) * 2019-07-25 2024-04-19 江苏洛凯电气有限公司 Brake separating buffer mechanism for load switch mechanism
CN110808183A (en) * 2019-11-08 2020-02-18 乐清市上科电器有限公司 External manual operation device for circuit breaker
CN110931280A (en) * 2019-12-16 2020-03-27 西安交通大学 Oil buffer structure for electromagnetic repulsion operating mechanism and working method

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