阅读说明：本技术 中置柜用防误操作机构及中置柜 (Put cabinet with preventing maloperation mechanism and put cabinet in ) 是由 李建波 刘孝恩 黄炫博 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种中置柜用防误操作机构,包括安装套和用于固定安装套的固定装置,安装套中穿设有旋转轴,旋转轴的一端设有旋转手柄,另一端设有用于开关操作口的封口板,安装套靠近旋转手柄的一端设有径向贯穿的挂锁孔,旋转轴上设有径向贯穿的调位孔,挂锁孔和调位孔能够错位或者对通。还公开了一种的中置柜,包括柜体和设于柜体上的操作口,中置柜还包括上述的防误操作机构,柜体于操作口的一侧设有安装孔,安装套穿设于安装孔内,且安装套通过固定装置固定于柜体上,旋转手柄位于柜体的外侧。该中置柜用防误操作机构及中置柜结构简单、操作方便以及能够提高安全性。(The invention discloses an anti-misoperation mechanism for a centrally installed switchgear, which comprises an installation sleeve and a fixing device for fixing the installation sleeve, wherein a rotating shaft penetrates through the installation sleeve, one end of the rotating shaft is provided with a rotating handle, the other end of the rotating shaft is provided with a sealing plate for a switch operation opening, one end of the installation sleeve, which is close to the rotating handle, is provided with a radially-penetrating padlock hole, the rotating shaft is provided with a radially-penetrating positioning hole, and the padlock hole and the positioning hole can be staggered or communicated. Still disclose a put cabinet in, including the cabinet body and locate the operation mouth on the cabinet body, put the cabinet and still include foretell prevent maloperation mechanism, the cabinet body is equipped with the mounting hole in one side of operation mouth, and the mounting cover is worn to locate in the mounting hole, and the mounting cover is fixed in the cabinet body through fixing device on, twist grip is located the outside of the cabinet body. This put cabinet in with preventing mistake operating device and put cabinet simple structure, convenient operation and can improve the security.)

1. The utility model provides a put cabinet with preventing maloperation mechanism which characterized in that: including installation cover (1) and fixing device (2) that are used for fixed mounting cover (1), wear to be equipped with rotation axis (3) in installation cover (1), the one end of rotation axis (3) is equipped with twist grip (31), and the other end is equipped with the board (4) of sealing that is used for switch operation mouth (5), the one end that installation cover (1) is close to twist grip (31) is equipped with radial padlock hole (11) that run through, be equipped with radial transposition hole (32) that run through on rotation axis (3), padlock hole (11) and transposition hole (32) can misplace or to leading to.

2. The anti-misoperation mechanism for the centrally installed switchgear according to claim 1, wherein: the sealing plate (4) is connected with the rotating shaft (3) through a bolt (41).

3. The anti-misoperation mechanism for the centrally installed switchgear according to claim 1, wherein: fixing device (2) include lock nut (21) and keep off platform (22), keep off platform (22) and locate on the periphery wall at installation cover (1) middle part, the one end that installation cover (1) is close to sealing plate (4) is threaded end (12), lock nut (21) and threaded end (12) threaded connection.

4. The utility model provides a put cabinet in, includes the cabinet body and locates operation mouth (5) on the cabinet body, its characterized in that: the centrally installed switchgear further comprises the misoperation prevention mechanism according to any one of claims 1 to 3, a mounting hole (6) is formed in one side of the operating opening (5) of the switchgear body, the mounting sleeve (1) penetrates through the mounting hole (6), the mounting sleeve (1) is fixed to the switchgear body through a fixing device (2), and the rotating handle (31) is located on the outer side of the switchgear body.

5. The centrally-mounted cabinet according to claim 4, characterized in that: the cabinet body is provided with a cabinet door (7), and the mounting hole (6) and the operation opening (5) are arranged on the cabinet door (7).

6. The centrally-mounted cabinet according to claim 5, characterized in that: the cabinet door (7) is provided with a limiting piece (8) used for limiting the sealing plate (4) when the padlock hole (11) and the position adjusting hole (32) are communicated.

Technical Field

The invention relates to the technical field of centrally installed switchgear, in particular to an anti-misoperation mechanism for a centrally installed switchgear and the centrally installed switchgear.

Background

In urban and rural power grid construction and transformation projects, in order to reduce the occupied area of equipment, facilitate equipment installation, debugging and operation maintenance, reduce the usage amount of secondary cables, improve the comprehensive functions of the equipment and reduce the operation maintenance cost, various types of indoor handcart type switch cabinets are selected in large quantity in the aspect of 10KV switch equipment, and the switch cabinets are generally called centrally installed switch cabinets, such as KYN28-12 type, KYN33-12 type and the like. The built-in cabinet is usually a handcart type vacuum circuit breaker with models of VD4, VS1, VB2, 3AH2 and the like. The circuit breaker handcart and handcart chassis of each type of circuit breaker handcart are integrated, and the circuit breaker handcart is pushed in and withdrawn from the centrally-mounted cabinet through the transmission of a lead screw in the handcart chassis.

The current in put cabinet and have an operation mouth on the cabinet body, outside operation instrument stretches into cubical switchboard and lead screw by the operation mouth and is connected, drives the rotatory break-make in order to realize vacuum circuit breaker of lead screw again, because the operation mouth is open, has the maloperation of non-staff to vacuum circuit breaker to lead to the fact the incident to take place.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an anti-misoperation mechanism for a middle-placed cabinet and the middle-placed cabinet, which are simple in structure, convenient to operate and capable of improving safety.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an in put cabinet with preventing maloperation mechanism, includes the installation cover and is used for the fixing device of fixed mounting cover, wear to be equipped with the rotation axis in the installation cover, the one end of rotation axis is equipped with the twist grip, and the other end is equipped with the board that seals that is used for the switch operation mouth, the one end that the installation cover is close to the twist grip is equipped with the padlock hole that radially runs through, be equipped with the positioning hole that radially runs through on the rotation axis, padlock hole and positioning hole can misplace or to leading to.

As a further improvement of the above technical solution:

the sealing plate is connected with the rotating shaft through a bolt.

The fixing device comprises a locking nut and a blocking platform, the blocking platform is arranged on the outer peripheral wall of the middle of the mounting sleeve, one end, close to the sealing plate, of the mounting sleeve is a threaded end, and the locking nut is in threaded connection with the threaded end.

The utility model provides an in put cabinet, includes the cabinet body and locates the operation mouth on the cabinet body, in put cabinet still includes foretell maloperation mechanism of preventing, the cabinet body is equipped with the mounting hole in one side of operation mouth, in the mounting hole is worn to locate by the installation cover, and on the installation cover was fixed in the cabinet body through fixing device, twist grip was located the outside of the cabinet body.

As a further improvement of the above technical solution:

the cabinet body is provided with a cabinet door, and the mounting hole and the operation opening are arranged on the cabinet door.

The cabinet door is provided with a limiting piece used for limiting the sealing plate when the padlock hole and the position adjusting hole are communicated.

Compared with the prior art, the invention has the advantages that:

the anti-misoperation mechanism for the centrally installed switchgear comprises an installation sleeve and a fixing device for fixing the installation sleeve, wherein a rotating shaft penetrates through the installation sleeve, a rotating handle is arranged at one end of the rotating shaft, a sealing plate for opening and closing an operation opening is arranged at the other end of the rotating shaft, a radially penetrating padlock hole is arranged at one end, close to the rotating handle, of the installation sleeve, a radially penetrating positioning hole is arranged on the rotating shaft, and the padlock hole and the positioning hole can be staggered or communicated. This prevent maloperation mechanism when using, install the cabinet body in the operation mouthful one side of putting the cabinet in, make seal the board and can rotate with the switch operation mouth, the installation cover is worn to locate in the cabinet body, and be fixed in on the cabinet body through fixing device, under the normal condition, seal the board shutoff in the operation mouthful inboard, at this moment, padlock hole and positioning hole intercommunication, insert with locking installation cover and rotation axis in padlock hole and the positioning hole through outside lockpin, prevent that the rotation axis from rotating in the installation cover and sealing the board rotation and open the operation mouthful in order to drive, thereby avoid non-staff to the interior vacuum circuit breaker's of cabinet maloperation, the security is improved. When needed, the worker can unlock the lock pin and then rotate the rotating handle to drive the sealing plate to open the operation opening. This put cabinet with preventing mistake operating device simple structure, convenient operation and can improve the security.

The centrally-mounted cabinet comprises a cabinet body, an operation opening arranged on the cabinet body, and the centrally-mounted cabinet also comprises the misoperation prevention mechanism, wherein a mounting hole is formed in one side of the cabinet body at the operation opening, a mounting sleeve penetrates through the mounting hole, the mounting sleeve is fixed on the cabinet body through a fixing device, and a rotating handle is positioned on the outer side of the cabinet body. Under the normal condition, the sealing plate is blocked at the inner side of the operation opening, the padlock hole is communicated with the positioning hole, and the padlock hole and the positioning hole are locked through an external knob lock. When an operator operates the circuit breaker handcart in the cabinet separating and combining body, the push-pull operation and the withdrawing operation of the circuit breaker handcart can be achieved only by firstly releasing the knob lock and then opening the operation opening by rotating the rotating handle and driving the screw rod on the handcart chassis in a crank handle mode. After the operation is finished, the rotating handle is rotated to enable the position adjusting hole to return to be communicated with the padlock hole, at the moment, the sealing plate is sealed on the inner side of the operation opening, and then the knob lock is locked between the padlock hole and the position adjusting hole. Because the sealing plate exists, the sealing plate is not pushed open by external force, so that misoperation of non-working personnel is prevented, and high-temperature and high-pressure gas of internal arcing is prevented from being sprayed out when the middle cabinet breaks down, thereby playing a role in protection.

Drawings

Fig. 1 is a schematic perspective view of an anti-misoperation mechanism for a built-in cabinet of the invention.

Fig. 2 is a schematic sectional structure view of the anti-misoperation mechanism for the built-in cabinet of the invention.

Fig. 3 is a schematic view of the outer side structure of the cabinet door of the built-in cabinet of the invention.

Fig. 4 is a schematic view of the inner side structure of the cabinet door of the built-in cabinet of the invention.

Fig. 5 is an enlarged view at a in fig. 4.

The reference numerals in the figures denote:

1. installing a sleeve; 11. hanging the lock hole; 12. a threaded end; 2. a fixing device; 21. locking the nut; 22. a stopping table; 3. a rotating shaft; 31. rotating the handle; 32. a positioning hole; 33. a threaded hole; 4. a sealing plate; 41. a bolt; 5. an operation port; 6. mounting holes; 7. a cabinet door; 8. and a limiting member.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

Fig. 1 to 5 show an embodiment of the anti-misoperation mechanism for the built-in cabinet, the anti-misoperation mechanism for the built-in cabinet comprises a mounting sleeve 1 and a fixing device 2 for fixing the mounting sleeve 1, a rotating shaft 3 penetrates through the mounting sleeve 1, a rotating handle 31 is arranged at one end of the rotating shaft 3, a sealing plate 4 for a switch operation opening 5 is arranged at the other end of the rotating shaft 3, a radially penetrating padlock hole 11 is arranged at one end of the mounting sleeve 1 close to the rotating handle 31, a radially penetrating positioning hole 32 is arranged on the rotating shaft 3, and the padlock hole 11 and the positioning hole 32 can be dislocated or communicated. This prevent maloperation mechanism when using, install the cabinet body of putting the cabinet in one side of operation mouth 5, make seal board 4 can rotate with on-off operation mouth 5, installation cover 1 wears to locate in the cabinet body, and be fixed in on the cabinet body through fixing device 2, under the usual state, seal board 4 shutoff in operation mouth 5 inboardly, at this moment, padlock hole 11 and positioning hole 32 are to leading to, insert in padlock hole 11 and positioning hole 32 with locking installation cover 1 and rotation axis 3 through outside lockpin, prevent that rotation axis 3 from rotating in installation cover 1 and sealing board 4 rotation and opening operation mouth 5 in order to drive, thereby avoid non-staff's maloperation to vacuum circuit breaker in the cabinet, the security is improved. If necessary, the worker unlocks the lock pin and then rotates the rotary handle 31 by force to open the operation opening 5 by the sealing plate 4. This put cabinet with preventing mistake operating device simple structure, convenient operation and can improve the security.

In the present embodiment, as shown in fig. 2, the sealing plate 4 is connected to the rotary shaft 3 by a bolt 41. Specifically, a threaded hole 33 is formed in the center of the end of the rotating shaft 3, and a bolt 41 is in threaded connection with the threaded hole 33 and presses the sealing plate 4 against the end surface of the rotating shaft 3, so that the anti-misoperation mechanism can be conveniently detached.

In this embodiment, as shown in fig. 2, the fixing device 2 includes a lock nut 21 and a retaining platform 22, the retaining platform 22 is disposed on the outer peripheral wall of the middle portion of the mounting sleeve 1, one end of the mounting sleeve 1 close to the sealing plate 4 is a threaded end 12, and the lock nut 21 is in threaded connection with the threaded end 12. In particular, the abutment 22 is formed integrally with the mounting sleeve 1.

The utility model provides an in put cabinet, as shown in fig. 3 to 4, include the cabinet body and locate operation mouth 5 on the cabinet body, put the cabinet and still include foretell prevent maloperation mechanism, the cabinet body is equipped with mounting hole 6 in one side of operation mouth 5, and the mounting sleeve 1 is worn to locate in mounting hole 6, and on the mounting sleeve 1 was fixed in the cabinet body through fixing device 2, twist grip 31 was located the outside of the cabinet body. In a normal state, the sealing plate 4 is sealed inside the operation opening 5, the padlock hole 11 and the positioning hole 32 are communicated, and the padlock hole 11 and the positioning hole 32 are locked by an external knob lock. When an operator operates the circuit breaker handcart in the cabinet separating and combining body, the pushing and withdrawing operation of the circuit breaker handcart can be achieved only by firstly releasing the knob lock and then opening the operation port 5 by rotating the rotating handle 31 and driving the screw rod on the handcart chassis in a crank handle mode. After the operation is finished, the rotating handle 31 is rotated to enable the positioning hole 32 to return to be communicated with the padlock hole 11, at the moment, the sealing plate 4 is blocked at the inner side of the operation opening 5, and then the knob lock is locked between the padlock hole 11 and the positioning hole 32. Because the sealing plate 4 exists, the sealing plate 4 is not pushed away from the outside, so that misoperation of non-workers is prevented, and internal arcing high-temperature and high-pressure gas can be prevented from being sprayed out when the middle cabinet breaks down, thereby playing a role in protection.

In this embodiment, be equipped with cabinet door 7 on the cabinet body, on cabinet door 7 was all located to mounting hole 6 and operation mouth 5, cabinet door 7 was used for the maintenance of the internal portion of cabinet and safeguards, prevented mistake operating device and installed on cabinet door 7, simple to operate. Specifically, the stopping table 22 on the mounting sleeve 1 stops at the outer side of the cabinet door 7, and the locking nut 21 is pressed at the inner side of the cabinet door 7, so that the mounting sleeve 1 is fixed.

In this embodiment, the cabinet door 7 is provided with the limiting member 8 for limiting the sealing plate 4 when the padlock hole 11 and the positioning hole 32 are aligned, so that the sealing plate 4 and the operation opening 5 are aligned conveniently, and the operation is more convenient.

This prevent maloperation mechanism's installation: firstly, inserting the threaded end 12 of the mounting sleeve 1 into the mounting hole 6 of the cabinet door 7 until the stop table 22 on the mounting sleeve 1 stops at the outer side of the cabinet door 7, and then screwing the locking nut 21 at the threaded end 12 to tightly press the inner side of the cabinet door 7 so as to fix the mounting sleeve 1; next, the screw 41 is unscrewed from the screw hole 33 of the rotary shaft 3, the sealing plate 4 is removed, the rotary shaft 3 is inserted into the mounting sleeve 1 from the outside to the inside from one end of the screw hole 33, and then the upper sealing plate 4 is attached.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.