A grounding protection device for power station with improved structure

Abstract

The utility model discloses a grounding protection device for power stations with an improved structure, including a lower shell, a lifting mechanism is arranged at the middle position inside the lower shell, a movable plate is arranged at the bottom end of the lifting mechanism, limiting mechanisms are arranged on both sides of the top of the movable plate, and connecting mechanisms are arranged on both sides of the top of the lower shell. The utility model is provided with a card slot on one side of the connector at the bottom end of the grounding wire. When the connector at the bottom end of the grounding wire is inserted into the inside of the movable plate, the card block in the movable plate can be quickly inserted into the card slot on the connector, thereby completing the rapid connection between the grounding wire and the metal rod in the grounding plug. When the grounding wire needs to be disassembled and maintained, the toggle block at the top of the movable plate is pulled, and the toggle block can be driven by the movable block to pull the card block out of the card slot on the connector, thereby completing the rapid disassembly and maintenance of the grounding wire.

Description

Technical Field

[0001] The utility model relates to the technical field of grounding protection for power stations, in particular to a grounding protection device for power stations with an improved structure. Background Art

[0002] Grounding protection devices for power stations are an indispensable part of the power system. They connect electrical equipment to the earth through artificial or natural means to achieve comprehensive protection for personnel, equipment and power systems. These devices are not only highly reliable and sensitive, but can also effectively prevent natural disasters such as lightning from damaging the power system. In the power system, the application of grounding protection devices is of great significance to ensure the stable operation of the power system, equipment safety and personnel safety.

[0003] A grounding protection device for a box-type substation disclosed in the Chinese utility model patent application disclosure CN213692905U has a base fixedly installed at the bottom of the shell, and connection ports fixedly arranged on both sides of the top of the base cooperate with mounting holes fixedly arranged on both sides of the top cover, and the base is fixed by fastening bolts installed through the internal sleeves of the mounting holes. When the staff needs to install or disassemble the grounding protection device, they loosen the fastening bolts or tighten the fastening bolts to install and disassemble the grounding protection device, which is convenient for the staff to install and repair the grounding protection device. However, the overall connection convenience of the grounding protection device for the power station is low, which is not convenient for the staff to quickly perform assembly operations, so the convenience is low when the device needs to be inspected and maintained, affecting the overall practicality of the grounding protection device for the power station. Utility Model Content

[0004] The purpose of the utility model is to provide a grounding protection device for a power station with an improved structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grounding protection device for a power station with an improved structure, comprising a lower shell, a lifting mechanism is arranged at the middle position inside the lower shell, a movable plate is arranged at the bottom end of the lifting mechanism, limiting mechanisms are arranged on both sides of the top of the movable plate, connecting mechanisms are arranged on both sides of the top of the lower shell, an upper shell is installed on the top of the lower shell, and protective covers are installed on both sides of the top of the upper shell.

[0006] Preferably, through grooves are provided on both sides of the bottom end of the lower shell body, and connecting grooves are provided on both sides of the top end of the lower shell body.

[0007] Preferably, the lifting mechanism comprises a fixed plate fixedly connected to the middle position of the top end inside the lower shell, a screw is threadedly connected to the middle position inside the fixed plate, and a movable plate is rotatably connected to the bottom end of the screw.

[0008] Preferably, grounding plugs are fixedly connected to both sides of the bottom end of the movable plate, and a metal rod is fixedly connected to the middle position inside the grounding plug.

[0009] Preferably, the limiting mechanism includes toggle blocks slidably connected to both sides of the top of the movable plate, the bottom end of the toggle block is fixedly connected to a movable block sliding inside the movable plate, one side of the movable block is fixedly connected to a clamping block, a side of the movable block away from the clamping block is fixedly connected to a spring, both sides of the top of the movable plate are movably connected to connecting heads, one side of the outside of the connecting head is provided with a clamping groove engaged with the clamping block, and a grounding wire is installed in the middle position of the top of the connecting head.

[0010] Preferably, the connecting mechanism includes a rotating rod rotatably connected to the top end of one side of the lower shell, a square block is fixedly connected to one side of the rotating rod, a turntable is provided on the outside of the square block, a bolt is fixedly connected to the middle position of one side of the turntable, connecting blocks inserted into the connecting grooves are fixedly connected to both sides of the bottom end of the upper shell, and a screw groove threadedly connected to the bolt is provided at the middle position inside the connecting block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The grounding protection device for power stations with an improved structure has a card slot on one side of the connector at the bottom end of the grounding wire. When the connector at the bottom end of the grounding wire is inserted into the interior of the movable plate, the card block in the movable plate can be quickly inserted into the card slot on the connector, thereby completing the rapid connection between the grounding wire and the metal rod in the grounding plug. When the grounding wire needs to be disassembled and maintained, the toggle block at the top of the movable plate is pulled, and the toggle block can be driven by the movable block to pull the card block out of the card slot on the connector, thereby completing the rapid disassembly and maintenance of the grounding wire. The operation is simple and convenient, and the convenience of using the protection device is improved.

[0013] 2. This grounding protection device for power stations with an improved structure has connecting blocks on both sides of the bottom end of the upper shell corresponding to the connecting groove positions at the top end of the lower shell. When the connecting block is inserted into the connecting groove on the lower shell, the turning rod on the lower shell can be rotated, and the turning rod can push the bolt into the screw groove on the connecting block through the turntable, thereby quickly completing the connection and assembly of the lower shell and the upper shell. The internal mechanism of the lower shell can be effectively protected through the upper shell, thereby improving the safety and stability of the use of the grounding protection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0018] In the figure: 1. lower shell; 101. through slot; 102. connecting slot; 2. lifting mechanism; 201. fixed plate; 202. screw; 3. movable plate; 301. grounding plug; 302. metal rod; 4. limiting mechanism; 401. toggle block; 402. movable block; 403. clamping block; 404. spring; 5. connector; 501. clamping slot; 6. grounding wire; 7. connecting mechanism; 701. rotating rod; 702. square block; 703. rotating disk; 704. bolt; 8. upper shell; 801. connecting block; 802. screw slot; 9. protective cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 , the utility model provides two technical solutions:

[0021] Embodiment 1

[0022] A grounding protection device for a power station with an improved structure comprises a lower shell 1, a lifting mechanism 2 is arranged in the middle position inside the lower shell 1, a movable plate 3 is arranged at the bottom end of the lifting mechanism 2, limiting mechanisms 4 are arranged on both sides of the top of the movable plate 3, connecting mechanisms 7 are arranged on both sides of the top of the lower shell 1, an upper shell 8 is installed at the top of the lower shell 1, and protective sleeves 9 are installed on both sides of the top of the upper shell 8. The protective sleeve 9 is installed on the top of the upper shell 8 by bolts and is sleeved on the outside of the grounding wire 6. At the same time, a rubber pad is arranged on the contact surface between the protective sleeve 9 and the grounding wire 6, which can effectively perform anti-pulling protection work on the grounding wire 6.

[0023] Through grooves 101 are provided on both sides of the bottom end of the lower shell 1, and connecting grooves 102 are provided on both sides of the top end of the lower shell 1. The through groove 101 can allow the grounding plug 301 to pass through and be inserted into the ground, and the connecting groove 102 can be easily plugged into the connecting block 801 at the bottom end of the upper shell 8.

[0024] The lifting mechanism 2 includes a fixed plate 201 fixedly connected to the middle position of the top end of the lower shell 1, a screw rod 202 is threadedly connected to the middle position inside the fixed plate 201, and the bottom end of the screw rod 202 is rotatably connected to the movable plate 3. By rotating the screw rod 202 on the fixed plate 201, the screw rod 202 can push the movable plate 3 to perform lifting and lowering movements inside the lower shell 1.

[0025] Grounding plugs 301 are fixedly connected to both sides of the bottom of the movable plate 3, and a metal rod 302 is fixedly connected to the middle position inside the grounding plug 301. The metal rod 302 provided inside the grounding plug 301 can facilitate communication with the grounding wire 6 inside the connector 5, thereby making the circuit connected.

[0026] The limiting mechanism 4 includes a toggle block 401 slidably connected to both sides of the top of the movable plate 3, a movable block 402 sliding inside the movable plate 3 is fixedly connected to the bottom of the toggle block 401, a clamping block 403 is fixedly connected to one side of the movable block 402, and a spring 404 is fixedly connected to the side of the movable block 402 away from the clamping block 403. Connectors 5 are movably connected to the inside of both sides of the top of the movable plate 3, and a clamping groove 501 is provided on one side of the outside of the connector 5 to be plugged into the clamping block 403. A grounding wire 6 is installed in the middle position of the top of the connector 5, and the clamping block 403 is subjected to the grounding from the top. When the force is applied to the clamping block 403, the spring 404 can be squeezed by the movable block 402. At this time, the clamping block 403 can be retracted into the inside of the movable plate 3. Due to the reaction force of the spring 404 being squeezed, when the clamping block 403 is not subjected to force, the spring 404 can push the clamping block 403 to extend out from the inside of the movable plate 3 through the movable block 402. When the clamping block 403 is inserted into the clamping groove 501 on the connector 5, the quick connection between the movable plate 3 and the grounding wire 6 can be completed. By pulling the toggle block 401, the toggle block 401 can drive the clamping block 403 to move through the movable block 402.

[0027] Embodiment 2

[0028] The main difference from the first embodiment is:

[0029] A grounding protection device for a power station with an improved structure, wherein the connecting mechanism 7 includes a rotating rod 701 rotatably connected to the top of one side of the lower shell 1, a square block 702 is fixedly connected to one side of the rotating rod 701, a rotating disk 703 is arranged outside the square block 702, a bolt 704 is fixedly connected to the middle position of one side of the rotating disk 703, and connecting blocks 801 plugged into the connecting groove 102 are fixedly connected to both sides of the bottom end of the upper shell 8, and a screw groove 802 threadedly connected to the bolt 704 is arranged in the middle position inside the connecting block 801. When the connecting block 801 at the bottom of the upper shell 8 is inserted into The connecting groove 102 at the top of the lower shell 1 is inserted into the interior of the lower shell 1 through the rotating rod 701, and the square block 702 on one side of the rotating rod 701 can be inserted into the rotating disk 703. At this time, the rotating rod 701 can drive the bolt 704 through the rotating disk 703 to rotate into the screw groove 802 on the connecting block 801, thereby completing the connection between the lower shell 1 and the upper shell 8. At the same time, the rotating rod 701 can be pulled out from the interior of the lower shell 1 after use to prevent the subsequent loose connection due to accidental touch. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] When the embodiment of the present application is in use, the connector 5 at the bottom of the grounding wire 6 is inserted into the interior of the top of the movable plate 3. At this time, the movable connecting block 403 in the movable plate 3 can be inserted into the slot 501 on the connector 5, so that the grounding wire 6 in the connector 5 can be connected with the metal rod 302 in the grounding plug 301. At this time, the screw 202 on the fixed plate 201 is rotated, and the screw 202 can push the movable plate 3 to move downward, thereby driving the two sets of grounding plugs 301 at the bottom of the movable plate 3 to pass through the through slot 101 and insert into the ground. At this time, the upper The shell 8 is installed on the top of the lower shell 1, and the grounding wire 6 is passed through the upper shell 8. At the same time, the connecting block 801 at the bottom of the upper shell 8 can be inserted into the connecting groove 102 at the top of the lower shell 1. At this time, by rotating the rotating rod 701, the rotating rod 701 can push the bolt 704 through the rotating disk 703 to rotate into the screw groove 802 on the connecting block 801, thereby completing the connection and assembly between the lower shell 1 and the upper shell 8, and the protective cover 9 can be installed on both sides of the outside of the grounding wire 6 at the top of the upper shell 8, so as to perform auxiliary protection work on the grounding wire 6.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A grounding protection device for a power station with an improved structure, comprising a lower casing (1), characterized in that: A lifting mechanism (2) is arranged in the middle position inside the lower shell (1), a movable plate (3) is arranged at the bottom end of the lifting mechanism (2), limiting mechanisms (4) are arranged on both sides of the top of the movable plate (3), connecting mechanisms (7) are arranged on both sides of the top of the lower shell (1), an upper shell (8) is installed at the top of the lower shell (1), and protective covers (9) are installed on both sides of the top of the upper shell (8).

2. A grounding protection device for a power station with an improved structure according to claim 1, characterized in that: Through grooves (101) are provided on both sides of the bottom end of the lower shell (1), and connecting grooves (102) are provided on both sides of the top end of the lower shell (1).

3. A grounding protection device for a power station with an improved structure according to claim 1, characterized in that: The lifting mechanism (2) comprises a fixed plate (201) fixedly connected to the middle position of the top end of the lower shell (1), a screw rod (202) is threadedly connected to the middle position of the fixed plate (201), and a movable plate (3) is rotatably connected to the bottom end of the screw rod (202).

4. A grounding protection device for a power station with an improved structure according to claim 3, characterized in that: Grounding plugs (301) are fixedly connected to both sides of the bottom end of the movable plate (3), and a metal rod (302) is fixedly connected to the middle position inside the grounding plug (301).

5. A grounding protection device for a power station with an improved structure according to claim 3, characterized in that: The limiting mechanism (4) comprises a toggle block (401) slidably connected to both sides of the top of the movable plate (3); the bottom end of the toggle block (401) is fixedly connected to a movable block (402) that slides inside the movable plate (3); one side of the movable block (402) is fixedly connected to a clamping block (403); a side of the movable block (402) away from the clamping block (403) is fixedly connected to a spring (404); both sides of the top of the movable plate (3) are internally movably connected to a connector (5); a clamping groove (501) that is plugged into the clamping block (403) is provided on one side of the outside of the connector (5); and a grounding wire (6) is installed in the middle of the top of the connector (5).

6. A grounding protection device for a power station with an improved structure according to claim 1, characterized in that: The connection mechanism (7) comprises a rotating rod (701) rotatably connected to the top end of one side of the lower shell (1); a square block (702) is fixedly connected to one side of the rotating rod (701); a rotating disk (703) is arranged outside the square block (702); a bolt (704) is fixedly connected to the middle position of one side of the rotating disk (703); connecting blocks (801) inserted into the connecting groove (102) are fixedly connected to both sides of the bottom end of the upper shell (8); and a screw groove (802) threadedly connected to the bolt (704) is arranged in the middle position inside the connecting block (801).

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