Safety protection device for high-voltage cabinet maintenance

Abstract

The utility model discloses a safety protection device for high-voltage cabinet maintenance, which belongs to the technical field of high-voltage cabinets and comprises a high-voltage cabinet body, guide holes are symmetrically arranged on two sides of the high-voltage cabinet body, and rod body stop blocks are symmetrically arranged in the guide holes. According to the utility model, the electricity testing structure is arranged, a rotating rod is used to push a moving rod to move, a second clamping block is separated from a first clamping groove, the moving rod can be lifted, when the moving rod moves, a mounting rod is driven to move, a cabinet door does not need to be opened, and when the moving rod moves, a connecting rod is driven to move, so that the cabinet door is not required to be opened. The movable block drives the third clamping block to enter the second clamping groove, and then the limiting column is separated from the second U-shaped frame when the movable rod is lifted, so that the cabinet door is unlocked, the high-voltage cabinet is forcibly subjected to the electricity test operation before being opened for maintenance, and the safety of the high-voltage cabinet during maintenance is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage cabinets, in particular to a safety protection device for repairing high-voltage cabinets. Background Art

[0002] A high-voltage cabinet is a closed metal structure device used to carry, isolate and protect high-voltage equipment and components in the power system. The high-voltage cabinet can isolate high-voltage equipment and components inside a closed metal structure to prevent arcing, electric shock and other dangers, ensuring the safety of personnel and equipment. At the same time, the high-voltage cabinet transmits electrical energy from the main power supply to each terminal device through the internal power distribution system and control system to achieve power distribution and control. In order to ensure that the high-voltage cabinet can operate stably, it is necessary to inspect and maintain the high-voltage cabinet frequently. When inspecting and maintaining the high-voltage cabinet, it is usually necessary to cut off the power to the high-voltage cabinet to avoid causing harm to the staff. After the high-voltage cabinet is disconnected, the cabinet door needs to be opened and a power test is performed on the disconnection point to ensure that the power-off operation is completed. However, there are certain safety hazards in performing a power test after opening the cabinet door. Utility Model Content

[0003] The technical problem to be solved by the utility model is that after the high-voltage cabinet is disconnected, it is necessary to open the cabinet door and then perform an electrical test on the disconnection point to ensure that the power-off operation is completed. However, there are certain safety hazards in performing the electrical test after opening the cabinet door.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a safety protection device for high-voltage cabinet maintenance, including a high-voltage cabinet, guide holes are symmetrically arranged on both sides of the high-voltage cabinet, rod blocks are symmetrically arranged in the guide holes, a plurality of hinges are installed on any one side of the high-voltage cabinet, an electrical test structure is arranged inside the high-voltage cabinet, a cabinet door is arranged at the door opening position of the high-voltage cabinet, the cabinet door is rotatably connected to the high-voltage cabinet through a hinge, and a first U-shaped frame is fixedly connected to the inner walls on both sides of the high-voltage cabinet.

[0005] The utility model is further configured such that a crank is installed on the side of the cabinet door away from the hinge, the end of the crank close to the first U-shaped frame is arranged in the first U-shaped frame, the other end of the crank is fixedly connected with a handle, the side of the cabinet door close to the high-voltage cabinet body is symmetrically fixedly connected with the second U-shaped frame, and the cabinet door is provided with an observation window at a position close to the crank, and tempered glass is arranged in the observation window.

[0006] Through the above technical solution, the handle can be turned to drive the crank to rotate, so that the crank is separated from the first U-shaped frame and the cabinet door is unlocked. At the same time, the observation window can facilitate the staff to observe the electrical testing conditions in the high-voltage cabinet and facilitate the staff to perform electrical testing operations.

[0007] The utility model is further configured as follows: the electrical testing structure includes symmetrically arranged moving rods, the moving rods are respectively arranged in adjacent guide holes, the sides of the moving rods that are close to each other are fixedly connected with second clamping blocks, the bottom ends of the moving rods are provided with L-shaped frames, the L-shaped frames are fixedly connected to the inner wall of the high-voltage cabinet, the L-shaped frames are provided with first clamping grooves, and the second clamping blocks are respectively arranged in adjacent first clamping grooves.

[0008] Through the above technical solution, when the second block on the moving rod is in the first slot, the moving rod can be limited so that it cannot move upward. At the same time, the rod body block will block the moving rod to further limit its upward movement.

[0009] The utility model is further configured that a mounting rod is fixedly connected between the moving rods, and a plurality of electrical test detectors are installed on the mounting rod.

[0010] Through the above technical solution, the power test detector can detect the power supply status of the busbar to ensure that the high-voltage cabinet is in a disconnected and power-off state when being repaired.

[0011] The utility model is further configured such that a first reserved groove is provided at one end of the movable rod away from the mounting rod, a retaining ring is fixedly connected to the inner wall of the first reserved groove, a rotating rod is provided in the first reserved groove, and a first clamping block is symmetrically provided at the position of the rotating rod located on the inner side of the retaining ring.

[0012] Through the above technical solution, the swivel rod can be moved out of the first reserved groove when not in use, and can pass through the retaining ring and be inserted into the first reserved groove when in use. Thereafter, the swivel rod can be used to push the movable rod to move, so that the movable rod is no longer blocked by the rod body block, and at the same time, the second card block is disengaged from the first card groove, so that the movable rod can be lifted. When the movable rod moves, it will drive the installation rod to move, so that the staff can move the electrical test detector to the busbar and perform electrical test operations, so that the electrical test operation does not need to open the cabinet door, thereby improving the safety during the electrical test operation.

[0013] The utility model is further configured as follows: the bottom end of the moving rod is provided with a linear guide rail, the linear guide rail is fixedly connected to the inner wall of the high-voltage cabinet, the linear guide rail is slidably connected with a guide rail slider, the guide rail slider is fixedly connected to a limiting column on one side close to the second U-shaped frame, the limiting column is arranged in the second U-shaped frame, the bottom end of the linear guide is provided with a guide rail stopper, the guide rail slider is provided with a second reserved groove, the guide rail slider is provided with a second clamping groove at a position close to the second reserved groove, the second reserved groove is provided with a moving block, the moving block is provided with a third clamping block at a position close to the second clamping groove, the top surface of the moving block is fixedly connected with a connecting rod, and the connecting rods are respectively fixedly connected to the adjacent moving rods.

[0014] Through the above technical solution, when the moving rod moves, it will drive the connecting rod to move, so that the connecting rod drives the moving block to move, and the moving block drives the third block to enter the second slot. Then, when the moving rod is lifted, the moving block will drive the guide rail slider to move along the direction of the linear guide rail, so that the limit column is separated from the second U-shaped frame, so that the cabinet door is unlocked, and the high-voltage cabinet is forced to perform a power test operation before opening the cabinet for maintenance, so as to ensure the safety of the high-voltage cabinet during maintenance.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model provides an electrical test structure, and uses a rotating rod to push the moving rod to move, so that the moving rod is no longer blocked by the rod body block, and at the same time, the second blocking block is disengaged from the first blocking slot, so that the moving rod can be lifted. When the moving rod moves, it will drive the installation rod to move, so that the staff can move the electrical test detector to the bus bar and perform an electrical test operation, so that the electrical test operation does not need to open the cabinet door. At the same time, when the moving rod moves, it will drive the connecting rod to move, so that the connecting rod drives the moving block to move, so that the moving block drives the third blocking block to enter the second blocking slot. After that, when the moving rod is lifted, the moving block will drive the guide rail slider to move along the direction of the linear guide rail, so that the limit column is disengaged from the second U-shaped frame, so that the cabinet door is unlocked, and the high-voltage cabinet is forced to perform an electrical test operation before the cabinet is opened for maintenance, so as to ensure the safety of the high-voltage cabinet during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the first partial structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the second partial structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified view of part A;

[0021] Figure 5 It is the overall schematic diagram of the pilot electrical structure of the utility model;

[0022] Figure 6 It is a partial structural schematic diagram of the pilot electrical structure of the utility model;

[0023] Figure 7 It is an exploded view of the structure of the rotating rod in the utility model.

[0024] In the figure: 1. high-voltage cabinet; 2. cabinet door; 3. observation window; 4. crank; 5. handle; 6. first U-shaped frame; 7. second U-shaped frame; 8. test structure; 801. moving rod; 802. first reserved slot; 803. retaining ring; 804. rotating rod; 805. first clamping block; 806. second clamping block; 807. L-shaped frame; 808. first clamping slot; 809. mounting rod; 810. test detector; 811. connecting rod; 812. linear guide; 813. guide block; 814. guide slider; 815. second reserved slot; 816. second clamping slot; 817. moving block; 818. third clamping block; 819. limiting column; 9. guide hole; 10. rod block; 11. hinge. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0026] See also Figures 1 to 7 , a safety protection device for high-voltage cabinet maintenance, comprising a high-voltage cabinet 1, guide holes 9 are symmetrically arranged on both sides of the high-voltage cabinet 1, rod blocks 10 are symmetrically arranged in the guide holes 9, a plurality of hinges 11 are installed on any side of the high-voltage cabinet 1, a test structure 8 is arranged inside the high-voltage cabinet 1, a cabinet door 2 is arranged at the door opening position of the high-voltage cabinet 1, the cabinet door 2 is rotatably connected to the high-voltage cabinet 1 through the hinge 11, a crank 4 is installed on the side of the cabinet door 2 away from the hinge 11, one end of the crank 4 close to the first U-shaped frame 6 is arranged in the first U-shaped frame 6, and the other end of the crank 4 is fixedly connected with a handle 5, a side of the cabinet door 2 close to the high-voltage cabinet 1 is symmetrically fixedly connected with a second U-shaped frame 7, an observation window 3 is arranged at a position of the cabinet door 2 close to the crank 4, and tempered glass is arranged in the observation window 3, and the first U-shaped frame 6 is fixedly connected to the inner walls on both sides of the high-voltage cabinet 1;

[0027] The electrical test structure 8 includes symmetrically arranged moving rods 801, wherein the moving rods 801 are respectively arranged in adjacent guide holes 9, and the sides of the moving rods 801 that are close to each other are fixedly connected with second clamping blocks 806, and the bottom ends of the moving rods 801 are respectively provided with L-shaped frames 807, and the L-shaped frames 807 are all fixedly connected to the inner wall of the high-voltage cabinet 1, and the L-shaped frames 807 are respectively provided with first clamping grooves 808, and the second clamping blocks 806 are respectively arranged in the adjacent first clamping grooves 808, and the ends of the moving rods 801 away from the mounting rods 809 are respectively provided with first reserved grooves 802, and the inner wall of the first reserved grooves 802 is fixedly connected with a retaining ring 803, and a rotating rod 804 is arranged in the first reserved groove 802, and the first clamping blocks 805 are symmetrically arranged at the position of the rotating rod 804 located inside the retaining ring 803, and the mounting rods 809 are fixedly connected between the moving rods 801, and a plurality of electrical test detectors 810 are installed on the mounting rods 809;

[0028] The bottom end of the moving rod 801 is provided with a linear guide 812, and the linear guide 812 is fixedly connected to the inner wall of the high-voltage cabinet 1. The linear guide 812 is slidably connected with a guide rail slider 814. The side of the guide rail slider 814 close to the second U-shaped frame 7 is fixedly connected to a limiting column 819, and the limiting column 819 is arranged in the second U-shaped frame 7. The bottom end of the linear guide 812 is provided with a guide rail stopper 813, and the guide rail slider 814 is provided with a second reserved groove 815. The position of the guide rail slider 814 close to the second reserved groove 815 is provided with a second clamping groove 816, and a moving block 817 is provided in the second reserved groove 815. The position of the moving block 817 close to the second clamping groove 816 is provided with a third clamping block 818, and the top surface of the moving block 817 is fixedly connected with a connecting rod 811, and the connecting rod 811 is fixedly connected to the close moving rod 801 respectively.

[0029] When the utility model is in use, the rotary rod 804 is passed through the retaining ring 803 and inserted into the first reserved groove 802, and then the rotary rod 804 is used to push the moving rod 801 to move, so that the moving rod 801 is no longer blocked by the rod body block 10, and at the same time, the second block 806 is disengaged from the first slot 808, so that the moving rod 801 can be lifted. When the moving rod 801 moves, it will drive the installation rod 809 to move, so that the staff can move the test detector 810 to the bus bar and perform the test operation. At the same time, when the moving rod 801 moves, it will drive the connecting rod 811 to move, so that the connecting rod 811 drives the moving block 817 Move so that the moving block 817 drives the third blocking block 818 to enter the second blocking groove 816. Then, when the moving rod 801 is lifted, the moving block 817 drives the guide rail slider 814 to move along the direction of the linear guide rail 812, so that the limiting column 819 is separated from the second U-shaped frame 7. Then, the rotating rod 804 is used to drive the moving rod 801 to move to the top of the rod body block 10 in the upper position, so that the moving rod 801 is limited and cannot be lowered. Finally, by turning the handle 5, the handle 5 can drive the crank 4 to rotate, so that the crank 4 is separated from the first U-shaped frame 6, the cabinet door 2 is unlocked, and the staff can open the cabinet door 2 to repair the high-voltage cabinet.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A safety protection device for high-voltage cabinet maintenance, comprising a high-voltage cabinet body (1), characterized in that: Guide holes (9) are symmetrically arranged on both sides of the high-voltage cabinet (1), rod blocks (10) are symmetrically arranged in the guide holes (9), a plurality of hinges (11) are installed on any one side of the high-voltage cabinet (1), a test structure (8) is arranged inside the high-voltage cabinet (1), a cabinet door (2) is arranged at the door opening of the high-voltage cabinet (1), the cabinet door (2) is rotatably connected to the high-voltage cabinet (1) via a hinge (11), and first U-shaped frames (6) are fixedly connected to the inner walls on both sides of the high-voltage cabinet (1).

2. A safety protection device for high-voltage cabinet maintenance according to claim 1, characterized in that: A crank (4) is installed on the side of the cabinet door (2) away from the hinge (11); one end of the crank (4) close to the first U-shaped frame (6) is arranged in the first U-shaped frame (6); the other end of the crank (4) is fixedly connected to a handle (5); a side of the cabinet door (2) close to the high-voltage cabinet (1) is symmetrically fixedly connected to a second U-shaped frame (7); an observation window (3) is arranged at a position of the cabinet door (2) close to the crank (4); and tempered glass is arranged in the observation window (3).

3. A safety protection device for high-voltage cabinet maintenance according to claim 1, characterized in that: The test electrical structure (8) comprises symmetrically arranged moving rods (801), the moving rods (801) are respectively arranged in adjacent guide holes (9), the sides of the moving rods (801) adjacent to each other are fixedly connected with second clamping blocks (806), the bottom ends of the moving rods (801) are respectively provided with L-shaped frames (807), the L-shaped frames (807) are respectively fixedly connected to the inner wall of the high-voltage cabinet (1), the L-shaped frames (807) are respectively provided with first clamping grooves (808), and the second clamping blocks (806) are respectively arranged in adjacent first clamping grooves (808).

4. A safety protection device for high-voltage cabinet maintenance according to claim 3, characterized in that: The moving rods (801) are fixedly connected with mounting rods (809), and a plurality of electrical test detectors (810) are mounted on the mounting rods (809).

5. The safety protection device for high-voltage cabinet maintenance according to claim 3 is characterized in that: A first reserved groove (802) is provided at one end of the moving rod (801) away from the installation rod (809); a retaining ring (803) is fixedly connected to the inner wall of the first reserved groove (802); a rotating rod (804) is provided in the first reserved groove (802); and a first clamping block (805) is symmetrically provided at a position of the rotating rod (804) located inside the retaining ring (803).

6. A safety protection device for high-voltage cabinet maintenance according to claim 3, characterized in that: The bottom end of each moving rod (801) is provided with a linear guide rail (812), and the linear guide rail (812) is fixedly connected to the inner wall of the high-voltage cabinet (1). A guide rail slider (814) is slidably connected to each linear guide rail (812). A side of each guide rail slider (814) close to the second U-shaped frame (7) is fixedly connected to a limiting column (819), and the limiting column (819) is arranged in the second U-shaped frame (7). A guide rail stopper (813) is provided at the bottom end of each linear guide rail (812). 14) are provided with a second reserved groove (815), the guide rail slider (814) is provided with a second clamping groove (816) at a position close to the second reserved groove (815), a moving block (817) is provided in the second reserved groove (815), and the moving block (817) is provided with a third clamping block (818) at a position close to the second clamping groove (816), and a connecting rod (811) is fixedly connected to the top surface of the moving block (817), and the connecting rod (811) is fixedly connected to the adjacent moving rod (801) respectively.

Images