Operation protection device of 35kV switchgear

Abstract

The utility model relates to the technical field of protective devices, in particular to an operation protective device of 35kV switch equipment. The utility model provides the improved operation protection device of the 35kV switch equipment. The device comprises a switch equipment box body, box doors, protection assemblies, locking structures and the like, the box doors are hinged to the partition plates, the protection assemblies are arranged on the box doors, and the locking structures used for limiting the upper protection door and the lower protection door are arranged on the box doors. An observation window, an upper protective door and a lower protective door are designed on the switch equipment box body, and the upper protective door and the lower protective door can be independently opened, so that the internal condition can be conveniently checked under the condition that the box door is not completely opened; the lock tongue is separated from the lock catch by moving the shifting block, the protective door is easily opened for operation under the action of the torsional spring, and the protective door can be quickly locked only by simply pushing the protective door to enable the lock catch and the lock tongue to be clamped again; by means of the design, the safety and convenience of operation can be improved, and the safety of workers can be effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of protection devices, in particular to an operation protection device for 35kV switchgear. Background Art

[0002] Switchgear, also known as low-voltage or high-voltage switchgear, distribution panels, etc., are key components in power systems used to control, protect, and distribute electrical energy. These devices are widely used in electrical installations across industrial, commercial, and residential buildings.

[0003] At present, the structure of the operating box door on the existing medium and high voltage complete switchgear box is relatively simple. It is usually a whole board without a reserved observation window or operation window, which causes inconvenience to subsequent staff during maintenance. The staff must open the box door every time they inspect the inside of the box. After the box door is fully opened, there are many electrical components connected inside the box, which can easily cause accidental touch during the maintenance process, causing certain safety hazards.

[0004] Based on this, an improved operation protection device of 35kV switchgear is proposed to solve the above technical problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing complete switchgear protective device having a relatively simple structure and being inconvenient for safe and convenient maintenance inside the box, the purpose of the utility model is to provide an improved 35kV switchgear operation protection device.

[0006] The technical solution is: an operating protection device for a 35kV switchgear, comprising a switchgear box body, a box door and a partition plate, partition plates are arranged at intervals on the switchgear box body, each of the partition plates is hingedly connected to a box door, and also comprises a protection assembly and a locking structure, each of the box doors is provided with a protection assembly, the protection assembly comprises a lower protection frame, a lower protection door, an upper protection frame, an upper protection door, a lock and a torsion spring, the upper and lower sides of the box door are respectively rotatably connected to the upper protection frame and the lower protection frame through a connecting shaft, torsion springs are respectively connected between the upper and lower protection frames and the box door, and the torsion springs are sleeved on the connecting shaft, the upper protection door and the lower protection door are respectively embedded in the upper and lower protection frames, and locks are respectively provided on the side of the upper and lower protection frames away from the connecting shaft, and a locking structure for limiting the upper and lower protection doors is provided on the box door.

[0007] Furthermore, the locking structure includes a guide sleeve, a lock tongue, a shift block and an elastic member. The guide sleeves are respectively provided on the box door near the upper protective door and the lower protective door. The guide sleeves are slidably provided with a lock tongue for clamping and limiting the lock buckle. One end of the lock tongue is connected to the shift block, and an elastic member is connected between the shift block and the guide sleeve.

[0008] Furthermore, an oblique opening is provided on one end of the lock tongue close to the lock buckle.

[0009] Furthermore, the lower protective door and the upper protective door are both made of transparent acrylic panels.

[0010] Furthermore, an observation window is also included, and an observation window is arranged at intervals in the middle of the box door.

[0011] Furthermore, the outer sides of the switchgear box body and the box door are coated with anti-corrosion paint.

[0012] The beneficial effects are: by designing an observation window and independently openable upper and lower protective doors on the switchgear box, it is convenient to check the internal situation without fully opening the box door; by moving the dial block, the lock tongue is disengaged from the lock catch, and the protective door is easily opened for operation with the help of the torsion spring, and it can be quickly locked by simply pushing the protective door to re-engage the lock catch and the lock tongue; this design not only improves the safety and convenience of operation, but also effectively protects the safety of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 This is a diagram of the upper and lower protective doors of the utility model in the open state.

[0015] Figure 3 It is a partial three-dimensional structural diagram of the utility model.

[0016] Figure 4 This is a schematic diagram of the connection structure of the upper protective frame, upper protective door and torsion spring of the utility model.

[0017] Figure 5 It is a schematic diagram of the three-dimensional structure of the locking structure of the utility model.

[0018] Figure 6 This is a schematic diagram of the connection structure of the lock tongue, the shift block and the elastic member of the utility model.

[0019] The meaning of the reference numerals in the figure: 1_switch device box, 2_box door, 20_observation window, 3_partition plate, 4_lower protective frame, 5_lower protective door, 6_upper protective frame, 7_upper protective door, 70_lock, 8_torsion spring, 9_guide sleeve, 10_lock tongue, 11_dial block, 12_elastic member, 13_bevel. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to specific embodiments. It should be noted that, unless otherwise specified or limited, terms such as "dispose," "install," "connect," and "connect" should be understood in a broad sense. For example, "connect" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; or it may refer to internal communication between two components. A person skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0021] Example: The utility model provides an operation protection device for a 35kV switchgear, see Figures 1-6 As shown, it includes a switchgear box body 1, a box door 2, a partition plate 3, a protective assembly and a locking structure. Partition plates 3 are arranged at intervals on the switchgear box body 1, and each partition plate 3 is hingedly connected to a box door 2. The outer sides of the switchgear box body 1 and the box door 2 are coated with anti-corrosion paint, which can achieve the purpose of anti-corrosion and protection; each box door 2 is provided with a protective assembly, which includes a lower protective frame 4, a lower protective door 5, an upper protective frame 6, an upper protective door 7, a lock 70 and a torsion spring 8. The upper and lower sides of the box door 2 are respectively connected to the upper protective frame 6 and the lower protective frame 4 by a connecting shaft. The upper protective frame 6 and the lower protective A torsion spring 8 is connected between the frame 4 and the box door 2, and the torsion spring 8 is sleeved on the connecting shaft. With the auxiliary action of the torsion spring 8, the upper protective frame 6 and the lower protective frame 4 are automatically flipped open. The upper protective frame 6 and the lower protective frame 4 are respectively embedded with an upper protective door 7 and a lower protective door 5. The lower protective door 5 and the upper protective door 7 are made of transparent acrylic plate material, which is convenient for viewing the specific situation inside the switchgear box 1; a lock buckle 70 is respectively provided on the side of the upper protective frame 6 and the lower protective frame 4 away from the connecting shaft, and a locking structure for limiting the upper protective door 7 and the lower protective door 5 is provided on the box door 2.

[0022] For further information, see Figure 3 、 Figure 5 and Figure 6As shown, the locking structure includes a guide sleeve 9, a lock tongue 10, a shift block 11 and an elastic member 12. A guide sleeve 9 is provided on the box door 2 near the upper protective door 7 and the lower protective door 5 respectively. A lock tongue 10 is slidably penetrated on the guide sleeve 9 for clamping and limiting the lock buckle 70. An oblique opening 13 is provided on one end of the lock tongue 10 near the lock buckle 70, which is convenient for automatically clamping and limiting the upper protective door 7 and the lower protective door 5 when closing; a shift block 11 is connected to one end of the lock tongue 10, and an elastic member 12 is connected between the shift block 11 and the guide sleeve 9. The elastic member 12 is made of elastic rubber material and is used to provide a tightening and resetting effect on the lock tongue 10.

[0023] In addition, see Figure 1-Figure 3 As shown, an observation window 20 is also included. The observation window 20 is arranged at intervals in the middle of the box door 2, and the observation window 20 is provided with a plurality of different shape structures to facilitate viewing the internal situation of the equipment box 1.

[0024] When it is necessary to perform corresponding maintenance on the inside of the switchgear box 1, the situation inside the switchgear box 1 can be conveniently viewed through the observation window 20 and the upper and lower protective doors 7 and 5 without fully opening the box door 2. The dial block 11 is then moved outward to allow the lock tongue 10 to disengage from the lock catch 70, and then the upper and lower protective doors 7 or 5 thereon can be driven to rotate and open accordingly with the assistance of the torsion spring 8. In this way, the inside of the switchgear box 1 can be inspected and the operation is safe and convenient, thereby providing safety protection for the staff. When the maintenance is completed, it is only necessary to push the upper and lower protective doors 7 or 5 so that the lock catch 70 thereon is engaged with the lock tongue 10, and the upper and lower protective doors 7 or 5 can be quickly locked and fixed.

[0025] The above is a detailed introduction to the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of the present application. At the same time, for those skilled in the art, based on the idea of the present application, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. An operation protection device for a 35kV switchgear, comprising a switchgear box (1), a box door (2) and a partition plate (3), wherein the switchgear box (1) is provided with partition plates (3) at intervals, and each of the partition plates (3) is hingedly connected to a box door (2), characterized in that: The invention also includes a protection component and a locking structure. Each of the box doors (2) is provided with a protection component. The protection component includes a lower protection frame (4), a lower protection door (5), an upper protection frame (6), an upper protection door (7), a lock (70) and a torsion spring (8). The upper and lower sides of the box door (2) are respectively connected to the upper protection frame (6) and the lower protection frame (4) through a connecting shaft. The torsion spring (8) is respectively connected between the upper protection frame (6) and the lower protection frame (4) and the box door (2), and the torsion spring (8) is sleeved on the connecting shaft. The upper protection door (7) and the lower protection door (5) are respectively embedded in the upper protection frame (6) and the lower protection frame (4). The upper protection frame (6) and the lower protection frame (4) are respectively provided with a lock (70) on the side away from the connecting shaft. The box door (2) is provided with a locking structure for limiting the upper protection door (7) and the lower protection door (5).

2. The operation protection device of a 35kV switchgear according to claim 1, characterized in that: The locking structure comprises a guide sleeve (9), a lock tongue (10), a shift block (11) and an elastic member (12). The box door (2) is provided with a guide sleeve (9) near the upper protective door (7) and the lower protective door (5), respectively. The guide sleeve (9) is slidably provided with a lock tongue (10) for clamping and limiting the lock catch (70). One end of the lock tongue (10) is connected to the shift block (11), and an elastic member (12) is connected between the shift block (11) and the guide sleeve (9).

3. The operation protection device of a 35kV switchgear according to claim 2, characterized in that: An oblique opening (13) is provided on one end of the lock tongue (10) close to the lock catch (70).

4. The operation protection device of a 35kV switchgear according to claim 1, characterized in that: The lower protective door (5) and the upper protective door (7) are both made of transparent acrylic plate material.

5. The operation protection device of a 35kV switchgear according to claim 1, characterized in that: An observation window (20) is also included, and the observation window (20) is arranged at intervals in the middle of the box door (2).

6. The operation protection device of a 35kV switchgear according to claim 1, characterized in that: The outer sides of the switchgear box body (1) and the box door (2) are both coated with anti-corrosion paint.

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