Isolation switch interlocking mechanical protection device

Abstract

The utility model relates to an isolating switch interlocking mechanical protection device, and relates to the technical field of security and protection. The device comprises a rotating shaft, an eccentric wheel matched with the rotating shaft is arranged on the rotating shaft, and an arc-shaped groove is formed in the eccentric wheel; a matched sliding locking block is elastically and slidably arranged in the control box bottom box, a matched second clamping block is fixedly arranged on one side of the sliding locking block, and a first clamping block is arranged at the position, corresponding to the second clamping block, of the control box bottom box; one end of the connecting rod is inserted into the eccentric wheel and arranged in the arc-shaped groove in a sliding mode, and the end, away from the eccentric wheel, of the connecting rod is inserted into the control box bottom box; the scheme is visual and clear, the operation is simpler, the product performance is stable, the cost is low and the like, and the potential safety hazard existing in the opening and closing operation of the isolating switch is thoroughly solved.

Description

Technical Field

[0001] The utility model relates to the technical field of security, in particular to an isolation switch interlocking mechanical protection device. Background Art

[0002] Safety interlocking device is a technical measure for safety protection, which is widely used in the field of power safety. The interlocking device uses a mechanical mechanism to make two actions have a mutually restrictive relationship.

[0003] This program mainly studies the potential safety hazards caused by the opening and closing of the electrified railway contact network during maintenance operations. It is an important technical measure to strengthen electrical operation and related management equipment and prevent electrical misoperation accidents.

[0004] At present, when disconnectors are used for opening and closing operations, incorrect opening and closing may easily occur due to human operating errors or simultaneous operation of multiple disconnectors, thus leading to major accidents. Utility Model Content

[0005] The utility model provides an interlocking mechanical protection device for an isolating switch, which is used to prevent safety accidents caused by human operating errors. That is, the interlocking device prevents the isolating switch from being opened or closed by mistake, prevents the grounding wire from being connected under power, and prevents the isolating switch from being closed with the grounding wire.

[0006] The utility model provides an isolation switch interlocking mechanical protection device, comprising:

[0007] A rotating shaft, wherein a matching eccentric wheel is provided on the rotating shaft, and an arc-shaped groove is formed on the eccentric wheel;

[0008] A control box bottom box, wherein a matching sliding lock block is elastically slidably provided inside the control box bottom box, a matching second clamping block is fixedly provided on one side of the sliding lock block, and a first clamping block is provided at a position of the control box bottom box corresponding to the second clamping block;

[0009] A connecting rod, one end of which is inserted into the interior of the eccentric wheel and is slidably arranged in the interior of the arc groove, and one end of the connecting rod away from the eccentric wheel is inserted into the interior of the control box bottom box.

[0010] Through the cooperation of the two groups of fixed plates, the rotation of the rotating shaft is limited to a specified position, and then the eccentric wheel is driven to rotate by the rotating shaft. During the rotation of the eccentric wheel, the arc groove cooperates to push or pull the connecting rod, so that the connecting rod can be extended and retracted. During the extension and retraction process, the connecting rod limits or releases the sliding locking block set for sliding, thereby controlling the second clamping block to approach or move away from the first clamping block, and then the grounding rod is clamped or released through the cooperation of the first clamping block and the second clamping block.

[0011] Preferably, a matching fixed plate is rotatably sleeved on the rotating shaft, and two groups of fixed plates are provided, and the two groups of fixed plates are symmetrically distributed;

[0012] The rotation of the shaft is limited to a specified position by the cooperation of two sets of symmetrically distributed fixing plates.

[0013] Preferably, the eccentric wheel is fixedly arranged on the rotating shaft, and the eccentric wheel rotates through the cooperation between the rotating shaft and the two sets of fixing plates.

[0014] Preferably, an arcuate groove is provided on the eccentric wheel, and the arcuate groove is in an arc-shaped structure. A matching limiting rod is provided at the end of the connecting rod corresponding to the position of the arcuate groove, and the limiting rod is slidingly provided inside the arcuate groove.

[0015] The arc groove is an arc structure, and the connecting rod is slidingly arranged inside the eccentric wheel through the cooperation of the limiting rod. The eccentric wheel is driven to rotate by the rotating shaft. During the rotation process, the eccentric wheel is extended and retracted through the cooperation of the arc groove and the limiting rod.

[0016] Preferably, a matching support is provided below the control box bottom box, and a matching fixing block is fixedly provided at a position corresponding to the support on the lower end surface of the control box bottom box, and four groups of the fixing blocks are provided, and the four groups of the fixing blocks are distributed around the control box bottom box;

[0017] The control box bottom box is fixed on the support through the cooperation of four groups of fixing blocks;

[0018] The support is fixed at a designated position, and the control box base is fixed at a designated position through the cooperation of the support and the fixing block, and a matching control box cover is provided on the control box base.

[0019] Preferably, the sliding lock block is slidably arranged inside the control box bottom box, and matching rotation positioning pins are provided inside the control box bottom box at positions corresponding to the sliding lock block, and the rotation positioning pins are provided in multiple groups, and the multiple groups of rotation positioning pins are evenly spaced;

[0020] The sliding lock block is limitedly slidable inside the control box bottom box by the cooperation of multiple groups of the rotating positioning pins.

[0021] Preferably, the sliding lock block is provided with a groove at a position corresponding to the other end of the connecting rod, and a matching stopper is provided at one end of the inner portion of the groove;

[0022] The end of the connecting rod away from the eccentric wheel can be inserted into the inside of the groove to limit the sliding locking block that is slidably arranged. The setting of the stop block can limit the end of the connecting rod.

[0023] Preferably, a pull rod is provided at one end of the control box bottom box, and one end of the pull rod passes through the side wall of the control box bottom box and is connected to the control box bottom box;

[0024] The sliding lock block can be driven to move manually through the cooperation of the pull rod.

[0025] Preferably, guide rods are fixedly provided at the end positions of the sliding lock blocks inside the control box bottom box, and two groups of guide rods are provided, and the two groups of guide rods are symmetrically distributed;

[0026] The ends of the two groups of guide rods pass through the ends of the sliding lock blocks, and the outer surface of each guide rod is sleeved with a return spring, and the two ends of the return spring are respectively connected to the ends of the sliding lock blocks and the inner wall of the control box bottom box;

[0027] The two sets of guide rods and the return spring cooperate to make the sliding lock block elastically arranged inside the control box bottom box, and the guide rods and the return spring cooperate to realize the automatic reset of the sliding lock block.

[0028] Preferably, a through hole is opened on the side wall of the control box bottom box at a position corresponding to the second clamping block, and a matching first clamping block is fixedly provided on the outer side wall of the control box bottom box at a position corresponding to the second clamping block;

[0029] The second clamping block extends to the outside of the control box bottom box through the through hole;

[0030] The side walls of the first clamping block and the second clamping block on the side close to each other are both provided with clearance grooves, and a matching grounding rod is provided between the two groups of the clearance grooves.

[0031] The sliding locking block is arranged to slide to drive the second clamping block to approach the first clamping block or to move away from the first clamping block, and the grounding rod is clamped or released through the cooperation of the clearance groove.

[0032] Compared with the prior art, the advantages of the present invention are:

[0033] This solution is intuitive and clear, easier to operate, has stable product performance and low cost, and completely solves the safety hazards in the opening and closing operations of disconnectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The present invention will be described in more detail below based on embodiments with reference to the accompanying drawings.

[0035] Figure 1 This is an overall diagram of the interlocking device in the embodiment of the present utility model;

[0036] Figure 2 It is a side schematic diagram of the interlocking device in the embodiment of the present utility model;

[0037] Figure 3 This is a schematic diagram of the connection between the control box and the eccentric wheel in the embodiment of the utility model;

[0038] Figure 4 This is a schematic diagram of the connection between the rotating shaft and the eccentric wheel structure in an embodiment of the present utility model;

[0039] Figure 5 This is a schematic diagram of the internal structure of the control box bottom box in the embodiment of the utility model;

[0040] Figure 6 This is a schematic structural diagram of the sliding lock block in an embodiment of the present utility model;

[0041] Figure 7 This is a schematic diagram of the pull rod structure in an embodiment of the present utility model;

[0042] Figure 8 It is a schematic diagram of the structure of the control box base box in an embodiment of the present utility model.

[0043] Reference numerals:

[0044] Rotating shaft 1, fixed plate 2, eccentric wheel 3, connecting rod 4, control box bottom box 5, support 6, pull rod 7, grounding rod 8, control box cover 9, arc groove 10, first clamping block 11, second clamping block 12, fixed block 13, limit rod 14, rotation positioning pin 15, groove 16, stop block 17, sliding lock block 18, guide rod 19, return spring 20, through hole 21, and give way slot 22. DETAILED DESCRIPTION

[0045] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0046] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0047] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0048] In this utility model, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integration; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or an interaction between two components. However, the phrase "direct connection" indicates that the two connected entities are not connected through an intermediate structure, but are connected to form a whole through a connecting structure. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0049] In the present invention, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0050] Isolating switch interlocking mechanical guard, including:

[0051] A rotating shaft 1 is provided with a matching eccentric wheel 3, and an arc groove 10 is formed on the eccentric wheel 3;

[0052] A control box bottom box 5, wherein a matching sliding lock block 18 is elastically slidably provided inside the control box bottom box 5, a matching second clamping block 12 is fixedly provided on one side of the sliding lock block 18, and a first clamping block 11 is provided at a position of the control box bottom box 5 corresponding to the second clamping block 12;

[0053] The connecting rod 4 has one end inserted into the eccentric wheel 3 and slidably arranged in the arc groove 10 , and the end of the connecting rod 4 away from the eccentric wheel 3 is inserted into the control box bottom box 5 .

[0054] Through the cooperation of the two groups of fixed plates 2, the rotation of the rotating shaft 1 is limited to a specified position, and then the eccentric wheel 3 is driven to rotate by the rotating shaft 1. During the rotation of the eccentric wheel 3, the arc groove 10 cooperates to push or pull the connecting rod 4, so that the connecting rod 4 can be extended and retracted. During the extension and retraction process, the connecting rod 4 limits or releases the sliding locking block 18, thereby controlling the second clamping block 12 to approach or move away from the first clamping block 11, and then through the cooperation of the first clamping block 11 and the second clamping block 12, the grounding rod 8 is clamped or released.

[0055] A matching fixed plate 2 is rotatably sleeved on the rotating shaft 1. Two groups of fixed plates 2 are provided. The two groups of fixed plates 2 are symmetrically distributed.

[0056] The rotation of the rotating shaft 1 is limited to a specified position by the cooperation of two sets of symmetrically distributed fixing plates 2.

[0057] The eccentric wheel 3 is fixedly disposed on the rotating shaft 1 , and the eccentric wheel 3 rotates through the cooperation between the rotating shaft 1 and the two sets of fixing plates 2 .

[0058] The eccentric wheel 3 is provided with an arcuate groove 10, which is an arcuate structure. The end of the connecting rod 4 is provided with a matching limiting rod 14 at a position corresponding to the arcuate groove 10. The limiting rod 14 is provided inside the arcuate groove 10 for limited sliding.

[0059] The arc groove 10 is an arc-shaped structure. The connecting rod 4 is slidingly arranged inside the eccentric wheel 3 through the cooperation of the limiting rod 14. The eccentric wheel 3 is driven to rotate by the rotating shaft 1. During the rotation process, the eccentric wheel 3 is extended and retracted through the cooperation of the arc groove 10 and the limiting rod 14.

[0060] A matching support 6 is provided below the control box bottom box 5, and a matching fixing block 13 is fixedly provided at the position of the lower end surface of the control box bottom box 5 corresponding to the support 6. The fixing blocks 13 are provided in four groups, and the four groups of fixing blocks 13 are distributed around the control box bottom box 5;

[0061] The control box bottom box 5 is fixed on the support 6 through the cooperation of the four groups of fixing blocks 13;

[0062] The support 6 is fixed at a designated position, and the control box bottom box 5 is fixed at a designated position through the cooperation between the support 6 and the fixing block 13 .

[0063] The sliding lock block 18 is slidably arranged inside the control box bottom box 5, and a matching rotation positioning pin 15 is provided inside the control box bottom box 5 at a position corresponding to the sliding lock block 18. The rotation positioning pin 15 is provided in multiple groups, and the multiple groups of rotation positioning pins 15 are evenly spaced.

[0064] The sliding lock block 18 is limitedly slidable inside the control box bottom box 5 by the cooperation of multiple groups of the rotating positioning pins 15 .

[0065] The sliding lock block 18 is provided with a groove 16 at a position corresponding to the other end of the connecting rod 4, and a matching stopper 17 is provided at one end of the inner portion of the groove 16;

[0066] The end of the connecting rod 4 away from the eccentric wheel 3 can be inserted into the inside of the groove 16 to limit the sliding locking block 18 that is slidably arranged. The setting of the stopper 17 can limit the end of the connecting rod 4.

[0067] A pull rod 7 is provided at one end of the control box bottom box 5, and one end of the pull rod 7 passes through the side wall of the control box bottom box 5 and is connected to the control box bottom box 5;

[0068] The sliding lock block 18 can be manually moved by the cooperation of the pull rod 7 .

[0069] A guide rod 19 is fixedly provided at the end position of the sliding lock block 18 in the interior of the control box bottom box 5. The guide rod 19 is provided in two groups, and the two groups of guide rods 19 are symmetrically distributed.

[0070] The ends of the two sets of guide rods 19 pass through the ends of the sliding lock blocks 18, and the outer surface of each guide rod 19 is sleeved with a return spring 20, and the two ends of the return spring 20 are respectively connected to the ends of the sliding lock blocks 18 and the inner wall of the control box bottom box 5;

[0071] By the cooperation of two sets of guide rods 19 and return springs 20, the sliding lock block 18 is elastically arranged inside the control box bottom box 5, and the sliding lock block 18 is automatically reset by the cooperation of the guide rods 19 and return springs 20.

[0072] A through hole 21 is provided on the side wall of the control box bottom box 5 at a position corresponding to the second clamping block 12 , and a matching first clamping block 11 is fixedly provided on the outer side wall of the control box bottom box 5 at a position corresponding to the second clamping block 12 ;

[0073] The second clamping block 12 extends to the outside of the control box bottom box 5 through the through hole 21;

[0074] A clearance groove 22 is formed on the sidewalls of the first clamping block 11 and the second clamping block 12 that are close to each other, and a matching grounding rod 8 is provided between the two groups of the clearance grooves 22 .

[0075] The sliding locking block 18 is slidably arranged to drive the second clamping block 12 to approach or move away from the first clamping block 11 , and the grounding rod 8 is clamped or released through the cooperation of the clearance groove 22 .

[0076] Example 1

[0077] See Figure 1 As shown, Figure 1 This is an overall diagram of the interlocking device in the embodiment of the present utility model;

[0078] See Figure 2 As shown, Figure 2 It is a side schematic diagram of the interlocking device in the embodiment of the present utility model;

[0079] See Figure 3 As shown, Figure 3 This is a schematic diagram of the connection between the control box and the eccentric wheel in the embodiment of the utility model;

[0080] See Figure 4 As shown, Figure 4 This is a schematic diagram of the connection between the rotating shaft and the eccentric wheel structure in an embodiment of the present utility model;

[0081] See Figure 5 As shown, Figure 5 This is a schematic diagram of the internal structure of the control box bottom box in the embodiment of the utility model;

[0082] See Figure 6 As shown, Figure 6 This is a schematic structural diagram of the sliding lock block in an embodiment of the present utility model;

[0083] See Figure 7 As shown, Figure 7 This is a schematic diagram of the pull rod structure in an embodiment of the present utility model;

[0084] See Figure 8 As shown, Figure 8 This is a schematic diagram of the structure of the control box base box in an embodiment of the present utility model;

[0085] like Figures 1-8 As shown, the isolation switch interlocking mechanical protection device includes a rotating shaft 1, a matching eccentric wheel 3 is provided on the rotating shaft 1, and an arc groove 10 is opened on the eccentric wheel 3;

[0086] A control box bottom box 5, wherein a matching sliding lock block 18 is elastically slidably provided inside the control box bottom box 5, a matching second clamping block 12 is fixedly provided on one side of the sliding lock block 18, and a first clamping block 11 is provided at a position of the control box bottom box 5 corresponding to the second clamping block 12;

[0087] The connecting rod 4 has one end inserted into the eccentric wheel 3 and slidably arranged in the arc groove 10 , and the end of the connecting rod 4 away from the eccentric wheel 3 is inserted into the control box bottom box 5 .

[0088] Through the cooperation of the two groups of fixed plates 2, the rotation of the rotating shaft 1 is limited to a specified position, and then the eccentric wheel 3 is driven to rotate by the rotating shaft 1. During the rotation of the eccentric wheel 3, the arc groove 10 cooperates to push or pull the connecting rod 4, so that the connecting rod 4 can be extended and retracted. During the extension and retraction process, the connecting rod 4 limits or releases the sliding locking block 18, thereby controlling the second clamping block 12 to approach or move away from the first clamping block 11, and then through the cooperation of the first clamping block 11 and the second clamping block 12, the grounding rod 8 is clamped or released.

[0089] Example 2

[0090] See Figure 1 As shown, Figure 1 This is an overall diagram of the interlocking device in the embodiment of the present utility model;

[0091] See Figure 2 As shown, Figure 2 It is a side schematic diagram of the interlocking device in the embodiment of the present utility model;

[0092] See Figure 3 As shown, Figure 3 This is a schematic diagram of the connection between the control box and the eccentric wheel in the embodiment of the utility model;

[0093] See Figure 4 As shown, Figure 4 This is a schematic diagram of the connection between the rotating shaft and the eccentric wheel structure in an embodiment of the present utility model;

[0094] See Figure 5 As shown, Figure 5 This is a schematic diagram of the internal structure of the control box bottom box in the embodiment of the utility model;

[0095] See Figure 6 As shown, Figure 6 This is a schematic structural diagram of the sliding lock block in an embodiment of the present utility model;

[0096] See Figure 7 As shown, Figure 7 This is a schematic diagram of the pull rod structure in an embodiment of the present utility model;

[0097] See Figure 8 As shown, Figure 8 This is a schematic diagram of the structure of the control box base box in an embodiment of the present utility model;

[0098] like Figures 1-8 As shown, a matching fixed plate 2 is rotatably sleeved on the rotating shaft 1, and two groups of the fixed plates 2 are provided. The two groups of the fixed plates 2 are symmetrically distributed;

[0099] The rotation of the shaft 1 is limited to a specified position by the cooperation of two sets of symmetrically distributed fixing plates 2;

[0100] The eccentric wheel 3 is fixedly disposed on the rotating shaft 1 , and the eccentric wheel 3 rotates through the cooperation between the rotating shaft 1 and the two sets of fixing plates 2 .

[0101] The eccentric wheel 3 is provided with an arcuate groove 10, which is an arcuate structure. The end of the connecting rod 4 is provided with a matching limiting rod 14 at a position corresponding to the arcuate groove 10. The limiting rod 14 is provided inside the arcuate groove 10 for limited sliding.

[0102] The arc groove 10 is an arc-shaped structure. The connecting rod 4 is slidingly arranged inside the eccentric wheel 3 through the cooperation of the limiting rod 14. The eccentric wheel 3 is driven to rotate by the rotating shaft 1. During the rotation process, the eccentric wheel 3 is extended and retracted through the cooperation of the arc groove 10 and the limiting rod 14.

[0103] A matching support 6 is provided below the control box bottom box 5, and a matching fixing block 13 is fixedly provided at the position of the lower end surface of the control box bottom box 5 corresponding to the support 6. The fixing blocks 13 are provided in four groups, and the four groups of fixing blocks 13 are distributed around the control box bottom box 5;

[0104] The control box bottom box 5 is fixed on the support 6 through the cooperation of the four groups of fixing blocks 13;

[0105] The support 6 is fixed at a designated position, and the control box bottom box 5 is fixed at a designated position through the cooperation between the support 6 and the fixing block 13 .

[0106] The sliding lock block 18 is slidably arranged inside the control box bottom box 5, and a matching rotation positioning pin 15 is provided inside the control box bottom box 5 at a position corresponding to the sliding lock block 18. The rotation positioning pin 15 is provided in multiple groups, and the multiple groups of rotation positioning pins 15 are evenly spaced.

[0107] The sliding lock block 18 is limitedly slidable inside the control box bottom box 5 by the cooperation of multiple groups of the rotating positioning pins 15 .

[0108] Example 3

[0109] See Figure 1 As shown, Figure 1 This is an overall diagram of the interlocking device in the embodiment of the present utility model;

[0110] See Figure 2 As shown, Figure 2 It is a side schematic diagram of the interlocking device in the embodiment of the present utility model;

[0111] See Figure 3 As shown, Figure 3 This is a schematic diagram of the connection between the control box and the eccentric wheel in the embodiment of the utility model;

[0112] See Figure 4 As shown, Figure 4 This is a schematic diagram of the connection between the rotating shaft and the eccentric wheel structure in an embodiment of the present utility model;

[0113] See Figure 5 As shown, Figure 5 This is a schematic diagram of the internal structure of the control box bottom box in the embodiment of the utility model;

[0114] See Figure 6 As shown, Figure 6 This is a schematic structural diagram of the sliding lock block in an embodiment of the present utility model;

[0115] See Figure 7 As shown, Figure 7 This is a schematic diagram of the pull rod structure in an embodiment of the present utility model;

[0116] See Figure 8 As shown, Figure 8 This is a schematic diagram of the structure of the control box base box in an embodiment of the present utility model;

[0117] like Figures 1-8 As shown, the sliding lock block 18 is provided with a groove 16 at a position corresponding to the other end of the connecting rod 4, and a matching stopper 17 is provided at one end of the inner portion of the groove 16;

[0118] The end of the connecting rod 4 away from the eccentric wheel 3 can be inserted into the inside of the groove 16 to limit the sliding locking block 18 that is slidably arranged. The setting of the stopper 17 can limit the end of the connecting rod 4.

[0119] A pull rod 7 is provided at one end of the control box bottom box 5, and one end of the pull rod 7 passes through the side wall of the control box bottom box 5 and is connected to the control box bottom box 5;

[0120] The sliding lock block 18 can be manually moved by the cooperation of the pull rod 7 .

[0121] A guide rod 19 is fixedly provided at the end position of the sliding lock block 18 in the interior of the control box bottom box 5. The guide rod 19 is provided in two groups, and the two groups of guide rods 19 are symmetrically distributed.

[0122] The ends of the two sets of guide rods 19 pass through the ends of the sliding lock blocks 18, and the outer surface of each guide rod 19 is sleeved with a return spring 20, and the two ends of the return spring 20 are respectively connected to the ends of the sliding lock blocks 18 and the inner wall of the control box bottom box 5;

[0123] By the cooperation of two sets of guide rods 19 and return springs 20, the sliding lock block 18 is elastically arranged inside the control box bottom box 5, and the sliding lock block 18 is automatically reset by the cooperation of the guide rods 19 and return springs 20.

[0124] A through hole 21 is provided on the side wall of the control box bottom box 5 at a position corresponding to the second clamping block 12 , and a matching first clamping block 11 is fixedly provided on the outer side wall of the control box bottom box 5 at a position corresponding to the second clamping block 12 ;

[0125] The second clamping block 12 extends to the outside of the control box bottom box 5 through the through hole 21;

[0126] The side walls of the first clamping block 11 and the second clamping block 12 that are close to each other are each provided with a clearance groove 22, and a matching grounding rod 8 is provided between the two groups of the clearance grooves 22;

[0127] The sliding locking block 18 is slidably arranged to drive the second clamping block 12 to approach or move away from the first clamping block 11 , and the grounding rod 8 is clamped or released through the cooperation of the clearance groove 22 .

[0128] While the present invention has been described with reference to preferred embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, the various technical features described in the various embodiments may be combined in any manner, provided no structural conflicts exist. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. Isolation switch interlocking mechanical protection device, characterized in that: include: A rotating shaft, wherein a matching eccentric wheel is provided on the rotating shaft, and an arc-shaped groove is formed on the eccentric wheel; A control box bottom box, wherein a matching sliding lock block is elastically slidably provided inside the control box bottom box, a matching second clamping block is fixedly provided on one side of the sliding lock block, and a first clamping block is provided at a position of the control box bottom box corresponding to the second clamping block; A connecting rod, one end of which is inserted into the interior of the eccentric wheel and is slidably arranged in the interior of the arc groove, and one end of the connecting rod away from the eccentric wheel is inserted into the interior of the control box bottom box.

2. The isolation switch interlocking mechanical protection device according to claim 1, characterized in that: A matching fixed plate is rotatably sleeved on the rotating shaft, and two groups of fixed plates are provided. The two groups of fixed plates are symmetrically distributed.

3. The isolation switch interlocking mechanical protection device according to claim 2, characterized in that: The eccentric wheel is fixedly arranged on the rotating shaft, and the eccentric wheel rotates through the cooperation between the rotating shaft and the two groups of fixing plates.

4. The isolation switch interlocking mechanical protection device according to claim 3, characterized in that: The eccentric wheel is provided with an arcuate groove, which is in an arcuate structure. The end of the connecting rod is provided with a matching limiting rod at a position corresponding to the arcuate groove, and the limiting rod is slidingly provided inside the arcuate groove.

5. The isolation switch interlocking mechanical protection device according to claim 4, characterized in that: A matching support is provided below the control box bottom box, and a matching fixing block is fixedly provided at the position of the support on the lower end surface of the control box bottom box. The fixing blocks are provided in four groups, and the four groups of fixing blocks are distributed around the control box bottom box; The control box base box is fixed on the support through the cooperation of four groups of fixing blocks, and a matching control box cover is provided on the control box base box.

6. The isolation switch interlocking mechanical protection device according to claim 5, characterized in that: The sliding lock block is slidably arranged inside the control box bottom box, and a matching rotation positioning pin is arranged inside the control box bottom box at a position corresponding to the sliding lock block. There are multiple groups of rotation positioning pins, and the multiple groups of rotation positioning pins are evenly spaced.

7. The isolation switch interlocking mechanical protection device according to claim 6, characterized in that: The sliding lock block is provided with a groove at a position corresponding to the other end of the connecting rod, and a matching stopper is provided at one end inside the groove.

8. The isolation switch interlocking mechanical protection device according to claim 7, characterized in that: A pull rod is provided at one end of the control box bottom box, and one end of the pull rod passes through the side wall of the control box bottom box and is connected to the control box bottom box.

9. The isolation switch interlocking mechanical protection device according to claim 8, characterized in that: A guide rod is fixedly provided at the end position of the sliding lock block inside the control box bottom box, and the guide rods are provided in two groups, and the two groups of guide rods are symmetrically distributed; The ends of the two groups of guide rods pass through the ends of the sliding lock blocks, and the outer surface of each guide rod is sleeved with a return spring, and the two ends of the return spring are respectively connected to the ends of the sliding lock blocks and the inner wall of the control box bottom box.

10. The isolation switch interlocking mechanical protection device according to claim 9, characterized in that: A through hole is provided on the side wall of the control box bottom box at a position corresponding to the second clamping block, and a matching first clamping block is fixedly provided on the outer side wall of the control box bottom box at a position corresponding to the second clamping block; The side walls of the first clamping block and the second clamping block on the side close to each other are both provided with clearance grooves, and a matching grounding rod is provided between the two groups of the clearance grooves.

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