Grounding switch mechanism of high and low voltage power distribution cabinet

Abstract

The invention discloses a grounding switch mechanism of a high-low voltage power distribution cabinet, and relates to the technical field of switches, the grounding switch mechanism comprises a cabinet body, the bottom in the cabinet body is fixedly connected with a rack, the rack is fixedly connected with a plurality of sensors, one end, far away from the rack, of each sensor is fixedly connected with a static contact, and the static contact is fixedly connected with a grounding switch. The supporting mechanism comprises a connecting block located on one side of the machine frame, one end, close to the static contact, of the connecting block is connected with two moving contacts in a sliding mode, each moving contact can make contact with the static contact, and the rotating mechanism is fixedly arranged at one end of the machine frame and used for driving the supporting mechanism to swing. The adjusting mechanism is fixedly arranged between the supporting mechanism and the rotating mechanism and is used for adjusting the positions of the two moving contacts; according to the invention, the contact reliability of the static contact and the moving contact can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of switches, and in particular to a grounding switch mechanism of a high and low voltage distribution cabinet. Background Art

[0002] As the name implies, high and low voltage distribution cabinets are distribution equipment used for power distribution, control, metering and cable connection in the power supply system. Generally, power supply bureaus and substations use high voltage switch cabinets, which are then stepped down by transformers and led to low voltage distribution cabinets. The low voltage distribution cabinets are then connected to the distribution boards, control boxes and switch boxes of various power users. The equipment inside is a distribution device that is assembled into one by some switches, circuit breakers, fuses, buttons, indicator lights, meters, wires and other protective devices to meet the design functional requirements.

[0003] The grounding switch installed in the existing high and low voltage distribution cabinet is a special-purpose mechanical switch with a certain short-circuit current closing capacity. It is used to ground the switch cabinet during the maintenance of the high-voltage switch cabinet and its lines to protect personal safety. In addition, since there may be a short-circuit fault in the circuit, the grounding switch needs to quickly ground the distribution cabinet to facilitate maintenance by the staff. However, in the process of closing and closing the grounding switch, the moving contact and the static contact are prone to mutual wear and aging, resulting in poor contact between the static contact and the moving contact, resulting in poor grounding effect. At the same time, if the staff accidentally touches the operating lever, it is easy to cause the grounding switch to no longer be connected to the ground, which is easy to endanger the personal safety of the staff.

[0004] Therefore, a grounding switch mechanism for a high and low voltage distribution cabinet is invented to solve the above problems. Summary of the invention

[0005] The main purpose of the present invention is to provide a grounding switch mechanism for a high and low voltage distribution cabinet, which can effectively solve the technical problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is: a grounding switch mechanism of a high and low voltage distribution cabinet, comprising a cabinet, a frame is fixedly connected to the bottom of the cabinet, a plurality of sensors are fixedly connected to the frame, and a static contact is fixedly connected to one end of each sensor away from the frame, and further comprising: A supporting mechanism, the supporting mechanism comprising a connecting block located on one side of the frame, wherein one end of the connecting block close to the static contact is slidably connected to two moving contacts, and each of the moving contacts can contact the static contact; a rotating mechanism, the rotating mechanism being fixedly arranged at one end of the frame and used for driving the supporting mechanism to swing, and an adjusting mechanism, the adjusting mechanism being fixedly arranged between the supporting mechanism and the rotating mechanism and used for adjusting the positions of the two moving contacts; When the rotating mechanism drives the supporting mechanism to swing to the extreme position in the direction of the frame, the adjusting mechanism drives the moving contact to contact the static contact, and the rotating mechanism is locked by itself.

[0007] Preferably, the rotating mechanism includes a plurality of brackets fixedly connected to the frame, an operating shaft is rotatably connected between the plurality of brackets, a plurality of support blocks located on the corresponding brackets are fixedly connected to the operating shaft, a limiting slot is provided on one side of each of the brackets, a plurality of limit blocks corresponding to the positions of the limit slots are slidably connected to the operating shaft, and each of the limit blocks can be inserted into the corresponding limit slot.

[0008] Preferably, the adjustment mechanism includes an adjustment block fixedly connected to the support block, a seating groove opening toward the static contact is provided on the adjustment block, the connecting block is slidably connected to the adjustment block, an adjustment plate is slidably connected in the connecting block, the adjustment plate is located in the seating groove, two inclined guide grooves are provided on one end of the adjustment plate close to the static contact, each of the moving contacts is fixedly connected to an adjustment rod slidably connected to the connecting block, an insertion rod is fixedly connected to one end of the adjustment rod close to the adjustment block, and each of the insertion rods can be inserted into the corresponding guide groove.

[0009] Preferably, a vertically extending guide groove is formed on the adjustment plate, a longitudinally extending guide rod is fixedly connected in the placement groove, and the guide rod is located in the guide groove and can slide along the guide groove.

[0010] Preferably, one end of the adjustment plate close to the adjustment block is slidably connected to a telescopic rod, and a plurality of positioning grooves corresponding to the telescopic rods are provided on the operating shaft, and one end of each telescopic rod close to the operating shaft can be inserted into the corresponding positioning groove, and the telescopic rod is slidably connected to the support block and the adjustment block.

[0011] Preferably, a disc sleeved on the operating shaft is fixedly connected to the bracket, an arc groove is provided on the disc, a connecting rod is provided on the connecting block, and a top rod extending into the arc groove is fixedly connected to the free end of the connecting rod.

[0012] Preferably, the operating shaft is provided with a plurality of slideways corresponding to the limit blocks, and each of the limit blocks is fixedly connected to a slider slidably connected to the slideway on one side close to the operating shaft, the slider and the slideway are connected by a tension spring, a push rod is coaxially slidably connected inside the operating shaft, each of the sliders is fixedly connected to the push rod, and one end of the push rod extends out of the operating shaft.

[0013] Preferably, a clearance groove is formed at one end of the connection block close to the static contact, each of the moving contacts is located in the clearance groove, and the static contact can extend into the clearance groove.

[0014] Preferably, two adjacent connection blocks are commonly connected with a guide column, and one of the guide columns is connected to the ground through a wire.

[0015] Preferably, a circuit connection mechanism is installed in the cabinet, and the circuit connection mechanism is electrically connected to the static contact.

[0016] Technical effects and advantages of the present invention: 1. In the process of the connecting block sliding on the adjusting block, the present invention enables the static contact to gradually extend into the giving way groove of the connecting block without contact, thereby reducing the friction of the static contact on the connecting block, and driving the two moving contacts to slide relative to each other through the adjusting plate and the adjusting rod. When the connecting block swings to the extreme position, the moving contact gradually contacts with the static contact, and can avoid wear on the moving contact when the connecting block swings. Moreover, under the setting of the guide groove, even if the moving contact is worn, it can still be in close contact with the static contact, which not only improves the reliability of the contact between the static contact and the moving contact, but also reduces the damage to the static contact and the moving contact, reduces the problem of poor contact, and can also ensure the personal safety of the staff.

[0017] 2. The present invention can automatically lock the rotation of the operating shaft through the lateral movement of the adjustment plate and during the contact between the moving contact and the static contact, under the action of the telescopic rod, the limit block and the limit groove, thereby effectively reducing the problem of separation of the moving contact and the static contact caused by accidental touching of the operating shaft, improving the safety of the staff when repairing the circuit in the cabinet, and at the same time ensuring the reliability of the contact between the moving contact and the static contact, which can better ensure the personal safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a cutaway rear view schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the frame in the present invention; Figure 4 For the present invention Figure 3 A partial enlarged view of the middle A; Figure 5 It is a structural schematic diagram of the rotating mechanism, the adjusting structure and the supporting mechanism in the present invention; Figure 6 It is a cross-sectional schematic diagram of the rotating mechanism, the adjusting structure and the supporting mechanism in the present invention; Figure 7 For the present invention Figure 6A partial enlarged view of point B in the middle; Figure 8 It is a structural schematic diagram of the rotating mechanism and the supporting mechanism in the present invention; Fig. 9 It is a cross-sectional schematic diagram of the rotating mechanism and the supporting mechanism in the present invention; Fig.10 It is a schematic cross-sectional view from another perspective of the rotating mechanism and the supporting mechanism in the present invention.

[0019] Fig.11 It is a schematic diagram of the expanded structure of the adjustment mechanism in the present invention.

[0020] In the figure: 1. Cabinet; 2. Frame; 3. Sensor; 4. Static contact; 5. Support mechanism; 501. Connecting block; 502. Moving contact; 503. Give way slot; 6. Rotating mechanism; 601. Bracket; 602. Operating shaft; 603. Support block; 604. Limiting groove; 605. Limiting block; 7. Adjustment mechanism; 701. Adjustment block; 702. Placement groove; 703. Adjustment plate; 704. Guide groove; 705. Adjustment rod; 706. Insertion rod; 707. Guide groove; 708. Guide rod; 709. Telescopic rod; 710. Positioning groove; 711. Disc; 712. Arc groove; 713. Connecting rod; 714. Ejector rod; 8. Slideway; 9. Sliding block; 10. Tension spring; 11. Push rod; 12. Guide column; 13. Wire; 14. Circuit connecting mechanism. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1 In the process of closing and closing the grounding switch in the prior art, the moving contact 502 and the static contact 4 are prone to mutual wear and aging, resulting in poor contact between the static contact 4 and the moving contact 502, resulting in poor grounding effect. At the same time, if the staff accidentally touches the operating lever, it is easy to cause the grounding switch to be no longer connected to the ground, which is easy to endanger the personal safety of the staff. This embodiment is specially invented to solve the above problems.

[0023] like Figure 1-Figure 8As shown, a grounding switch mechanism of a high and low voltage distribution cabinet according to an embodiment of the present invention comprises a cabinet body 1, a frame 2 is fixedly connected to the bottom of the cabinet body 1, a plurality of sensors 3 are fixedly connected to the frame 2, a static contact 4 is fixedly connected to one end of each sensor 3 away from the frame 2, a supporting mechanism 5 comprises a connecting block 501 located on one side of the frame 2, two moving contacts 502 are slidably connected to one end of the connecting block 501 close to the static contact 4, each moving contact 502 can contact the static contact 4, a rotating mechanism 6 is fixedly arranged at one end of the frame 2, and is used to drive the supporting mechanism 5 to swing, and the rotating mechanism 6 comprises a plurality of brackets 601 fixedly connected to the frame 2, an operating shaft 602 is rotatably connected between the plurality of brackets 601, and a plurality of supporting blocks 603 located on the corresponding brackets 601 are fixedly connected to the operating shaft 602.

[0024] The adjusting mechanism 7 is fixedly arranged between the supporting mechanism 5 and the rotating mechanism 6, and is used to adjust the positions of the two moving contacts 502. The adjusting mechanism 7 includes an adjusting block 701 fixedly connected to the supporting block 603, and a placement groove 702 with an opening facing the static contact 4 is provided on the adjusting block 701. The connecting block 501 is slidably connected to the adjusting block 701, and an adjusting plate 703 is slidably connected in the connecting block 501. The adjusting plate 703 is located in the placement groove 702, and two inclined guide grooves 704 are provided at one end of the adjusting plate 703 close to the static contact 4. Each moving contact 502 is fixedly connected to an adjusting rod 705 slidably connected to the connecting block 501, and one end of the adjusting rod 705 close to the adjusting block 701 is fixedly connected to a plug rod 706, and each plug rod 706 is fixedly connected to the connecting block 501. The rods 706 can be inserted into the corresponding guide grooves 704, a vertically extending guide groove 707 is provided on the adjustment plate 703, a longitudinally extending guide rod 708 is fixedly connected in the placement groove 702, the guide rod 708 is located in the guide groove 707 and can slide along the guide groove 707, a disc 711 mounted on the operating shaft 602 is fixedly connected to the bracket 601, an arc groove 712 is provided on the disc 711, a connecting rod 713 is provided on the connecting block 501, and a top rod 714 extending into the arc groove 712 is fixedly connected to the free end of the connecting rod 713. When the rotating mechanism 6 drives the supporting mechanism 5 to swing to the extreme position in the direction of the frame 2, the adjusting mechanism 7 drives the moving contact 502 to contact the static contact 4, and the rotating mechanism 6 locks itself.

[0025] A clearance groove 503 is provided at one end of the connecting block 501 close to the static contact 4, each moving contact 502 is located in the clearance groove 503, and the static contact 4 can extend into the clearance groove 503. A guide column 12 is commonly connected between two adjacent connecting blocks 501, and one of the guide columns 12 is connected to the ground through a wire 13. A circuit connection mechanism 14 is installed in the cabinet 1, and the circuit connection mechanism 14 is electrically connected to the static contact 4.

[0026] When in use, when it is necessary to inspect the inside of the cabinet 1, it should be noted that the connection structure between the operating shaft 602 and the cabinet 1 and the circuit connection mechanism 14 are all prior art, and the specific connection method is not repeated. When the cabinet door of the cabinet 1 is opened, the operating shaft 602 is manipulated so that the operating shaft 602 drives the adjustment block 701 and the connecting block 501 to swing in the direction of the frame 2 through the support block 603. Since the distance between the arc groove 712 and the center of the disc 711 gradually increases in the direction of the frame 2, during the swinging of the adjustment block 701 in the direction of the frame 2, the connecting rod 713 drives the top rod 714 to slide along the arc groove 712, so that the connecting rod 713 drives the connecting block 501 slides along the adjusting block 701 toward the direction close to the static contact 4. Since the guide groove 707 is composed of a vertical section and an inclined section, the guide rod 708 first slides along the vertical section of the guide groove 707. When the guide rod 708 slides to the inflection point of the vertical section and the inclined section of the guide groove 707, the guide rod 708 slides from the vertical section of the guide groove 707 to the inclined section. The guide rod 708 drives the adjusting plate 703 to slide along the connecting block 501 through the guide groove 707. Since the two inclined guide grooves 704 form an eight-shaped shape, the adjusting plate 703 drives the two adjusting rods 705 to slide relatively along the giving way groove 503 on the connecting block 501 through the insertion rod 706. In the process of the connecting block 501 swinging to the extreme position in the direction of the frame 2, the static contact 4 gradually extends into the make way slot 503 of the connecting block 501, and at the same time, the adjusting plate 703 drives the two moving contacts 502 to slide relative to each other through the insert rod 706 and the two adjusting rods 705, so that the moving contact 502 gradually contacts with the static contact 4. At this time, the moving contact 502 can be in close contact with the static contact 4, so that the circuit connecting mechanism 14 forms a loop with the ground through the static contact 4, the moving contact 502, the guide column 12 and the wire 13. At this time, the current in the cabinet 1 can be guided to the ground, which can ensure the safety of the circuit in the cabinet 1 when repairing the circuit and the personal safety of the staff. When it is necessary to disconnect the path to the ground, the above movement can be repeated in reverse.

[0027] In the process of the connecting block 501 sliding on the adjusting block 701, the static contact 4 can be gradually extended into the yield groove 503 of the connecting block 501 without contact. At this time, the friction of the static contact 4 on the connecting block 501 is reduced, and the two moving contacts 502 are driven to slide relative to each other through the adjusting plate 703 and the adjusting rod 705. When the connecting block 501 swings to the extreme position, the moving contact 502 gradually contacts with the static contact 4, and at the same time, it can avoid wear on the moving contact 502 when the connecting block 501 swings. In addition, under the setting of the guide groove 707, even if the moving contact 502 is worn, it can still be in close contact with the static contact 4, which not only improves the reliability of the contact between the static contact 4 and the moving contact 502, but also reduces the damage to the static contact 4 and the moving contact 502, reduces the problem of poor contact, and also ensures the personal safety of the staff.

[0028] Example 2 After the moving contact 502 swings to the specified position, when the worker accidentally touches the operating shaft 602, the moving contact 502 and the static contact 4 are out of contact, resulting in the disconnection of the circuit with the ground. At this time, safety hazards are likely to occur, which is not conducive to the safe construction of the workers. Therefore, further improvements are made based on the above embodiment.

[0029] like Figure 6-Figure 11 As shown, one side of each bracket 601 is provided with a limit slot 604, and a plurality of limit blocks 605 corresponding to the position of the limit slot 604 are slidably connected to the operating shaft 602, and each limit block 605 can be inserted into the corresponding limit slot 604. A plurality of slideways 8 corresponding to the limit blocks 605 are provided on the operating shaft 602, and a slider 9 slidably connected to the slideway 8 is fixedly connected to the side of each limit block 605 close to the operating shaft 602, and the slider 9 and the slideway 8 are connected by a tension spring 10. A push rod 11 is coaxially slidably connected inside the shaft 602, each slider 9 is fixedly connected to the push rod 11, one end of the push rod 11 extends out of the operating shaft 602, and an end of the adjustment plate 703 close to the adjustment block 701 is slidably connected to a telescopic rod 709. The operating shaft 602 is provided with a plurality of positioning grooves 710 corresponding to the telescopic rod 709, and an end of each telescopic rod 709 close to the operating shaft 602 can be inserted into the corresponding positioning groove 710, and the telescopic rod 709 is slidably connected to the support block 603 and the adjustment block 701.

[0030] When in use, during the process of the connecting block 501 sliding along the adjusting block 701, the connecting block 501 drives the adjusting plate 703 to slide, so that the adjusting plate 703 drives the telescopic rod 709 to slide in the direction of the static contact 4. Since the friction between the telescopic rod 709 and the supporting block 603 is greater than its own friction, the adjusting plate 703 drives the telescopic rod 709 to be extended and retracted. When the telescopic rod 709 is extended and retracted to the limit position, under the action of the guide rod 708 and the guide groove 707, the adjusting plate 703 slides horizontally and slides in the direction of the static contact 4, and the telescopic rod 709 slides along the adjusting plate 703. Since the telescopic rod 709 is extended and retracted to the limit state, the adjusting plate 703 drives the telescopic rod 709 to be pulled out from the positioning groove 710. Under the action of, the tension spring 10 drives the limit block 605 to slide along the operating shaft 602 through the slider 9 and the slideway 8, so that the limit block 605 is inserted into the corresponding limit groove 604. At this time, the rotation of the operating shaft 602 is locked. After the operating shaft 602 is locked, if the operating shaft 602 is accidentally touched again, the reliability of the contact between the static contact 4 and the moving contact 502 can be guaranteed, and the complete circuit can be ensured. At the same time, it avoids endangering the personal safety of the staff. When it is necessary to release the lock of the operating shaft 602, it is only necessary to push the push rod 11 through the slider 9 to drive the limit block 605 to be pulled out of the limit groove 604, and then rotate the operating shaft 602 again. Repeating the above movement in the reverse direction can release the contact state between the moving contact 502 and the static contact 4 and disconnect the earth circuit.

[0031] Through the lateral movement of the adjustment plate 703, and in the process of contact between the moving contact 502 and the static contact 4, under the action of the telescopic rod 709, the limit block 605 and the limit groove 604, the rotation of the operating shaft 602 can be automatically locked, which can effectively reduce the problem of accidental touching of the operating shaft 602 causing the moving contact 502 and the static contact 4 to separate, thereby improving the safety of the staff when repairing the circuit in the cabinet 1, and at the same time, it can also ensure the reliability of the contact between the moving contact 502 and the static contact 4, which can better ensure the personal safety of the staff.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A grounding switch mechanism for a high- and low-voltage power distribution cabinet, comprising a cabinet body (1), a frame (2) fixedly connected to the bottom of the cabinet body (1), a plurality of sensors (3) fixedly connected to the frame (2), and a static contact (4) fixedly connected to one end of each sensor (3) away from the frame (2), characterized in that: Also includes: A support mechanism (5), the support mechanism (5) comprising a connection block (501) located on one side of the frame (2), two moving contacts (502) being slidably connected to one end of the connection block (501) close to the stationary contact (4), each of the moving contacts (502) being capable of contacting the stationary contact (4); a rotating mechanism (6), the rotating mechanism (6) being fixedly arranged at one end of the frame (2) and being used to drive the supporting mechanism (5) to swing; and an adjusting mechanism (7), the adjusting mechanism (7) being fixedly arranged between the supporting mechanism (5) and the rotating mechanism (6) and being used to adjust the positions of the two moving contacts (502); When the rotating mechanism (6) drives the supporting mechanism (5) to swing to the extreme position in the direction of the frame (2), the adjusting mechanism (7) drives the moving contact (502) to contact the stationary contact (4), and the rotating mechanism (6) locks itself.

2. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 1 is characterized in that: The rotating mechanism (6) comprises a plurality of brackets (601) fixedly connected to the frame (2); an operating shaft (602) is rotatably connected between the plurality of brackets (601); a plurality of support blocks (603) located on the corresponding brackets (601) are fixedly connected to the operating shaft (602); a limiting groove (604) is provided on one side of each bracket (601); a plurality of limiting blocks (605) corresponding to the position of the limiting groove (604) are slidably connected to the operating shaft (602); and each limiting block (605) can be inserted into the corresponding limiting groove (604).

3. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 2 is characterized in that: The adjustment mechanism (7) comprises an adjustment block (701) fixedly connected to the support block (603); a placement groove (702) opening toward the stationary contact (4) is provided on the adjustment block (701); the connection block (501) is slidably connected to the adjustment block (701); an adjustment plate (703) is slidably connected inside the connection block (501); the adjustment plate (703) is located in the placement groove (702); two inclined guide grooves (704) are provided at one end of the adjustment plate (703) close to the stationary contact (4); each of the moving contacts (502) is fixedly connected to an adjustment rod (705) slidably connected to the connection block (501); an insertion rod (706) is fixedly connected to one end of the adjustment rod (705) close to the adjustment block (701); each insertion rod (706) can be inserted into a corresponding guide groove (704).

4. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 3 is characterized in that: The adjustment plate (703) is provided with a vertically extending guide groove (707), the placement groove (702) is fixedly connected with a longitudinally extending guide rod (708), and the guide rod (708) is located in the guide groove (707) and can slide along the guide groove (707).

5. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 4 is characterized in that: One end of the adjustment plate (703) close to the adjustment block (701) is slidably connected to a telescopic rod (709); a plurality of positioning grooves (710) corresponding to the telescopic rods (709) are provided on the operating shaft (602); one end of each telescopic rod (709) close to the operating shaft (602) can be inserted into the corresponding positioning groove (710); and the telescopic rod (709) is slidably connected to the support block (603) and the adjustment block (701).

6. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 2 is characterized in that: The bracket (601) is fixedly connected to a disc (711) sleeved on the operating shaft (602), the disc (711) is provided with an arc-shaped groove (712), the connecting block (501) is provided with a connecting rod (713), and the free end of the connecting rod (713) is fixedly connected to a push rod (714) extending into the arc-shaped groove (712).

7. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 2 is characterized in that: The operating shaft (602) is provided with a plurality of slideways (8) corresponding to the limit blocks (605); a slider (9) slidably connected to the slideway (8) is fixedly connected to one side of each limit block (605) close to the operating shaft (602); the slider (9) and the slideway (8) are connected via a tension spring (10); a push rod (11) is coaxially slidably connected inside the operating shaft (602); each slider (9) is fixedly connected to the push rod (11); one end of the push rod (11) extends out of the operating shaft (602).

8. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 1 is characterized in that: A clearance groove (503) is provided at one end of the connection block (501) close to the static contact (4), each of the moving contacts (502) is located in the clearance groove (503), and the static contact (4) can extend into the clearance groove (503).

9. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 1, characterized in that: A guide column (12) is commonly connected between two adjacent connection blocks (501), and one of the guide columns (12) is connected to the ground via a wire (13).

10. The grounding switch mechanism of the high and low voltage distribution cabinet according to claim 1, characterized in that: A circuit connection mechanism (14) is installed in the cabinet (1), and the circuit connection mechanism (14) is electrically connected to the static contact (4).

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