Safe low-voltage circuit breaker power-off and power-on insulation operation device

By designing an insulated operating device for power outage and restoration of low-voltage circuit breakers, which includes components such as an insulated operating rod, adjusting collar, extension rod, and wire rope, the problem of low operational safety of low-voltage circuit breakers has been solved, enabling stable operation over long distances and improved safety.

CN120914063APending Publication Date: 2025-11-07STATE GRID SHANDONG ELECTRIC POWER CO PINGDU POWER SUPPLY CO
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Patent Information

Application Number
CN202510915349.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

The existing low-voltage circuit breaker power outage and restoration operations have low safety issues. Operators are susceptible to electric arc injuries and it is difficult to observe the circuit breaker status from a distance.

Method used

A low-voltage circuit breaker power-off insulation operating device was designed, comprising an insulating operating rod, an adjusting collar, an extension rod, a wire rope, and a camera. The extension rod extends the operating distance, the wire rope stabilizes and limits the circuit breaker switch, and the camera assists in observation to ensure operational safety.

Benefits of technology

It enables stable operation from a distance, reduces the risk of electric arc injury, improves the safety and accuracy of operation, and reduces safety hazards for operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a safe power-off and power-on insulation operation device for a low-voltage circuit breaker, and relates to the technical field of safe power distribution tools. The novel low-voltage circuit breaker power-off and power-on insulation operation device comprises an insulation operation rod used for operation, one side of the inner wall of the insulation operation rod is communicated with the outside, the middle of the other side of the inner wall of the insulation operation rod is fixedly connected with an inner guide rod, and the outer wall of the inner guide rod is connected with an extension rod through a telescopic assembly. And the inner wall of the extension rod is slidably connected to the outer wall of the inner guide rod, the extension rod is used for extension, a threaded assembly groove is formed in the outward end of the extension rod, and the inner wall of the threaded assembly groove is connected with a connecting bent rod through threads. The steel wire rope penetrates through the whole insulating operating rod, so that when a worker pushes and pulls the circuit breaker switch through the U-shaped head to cut off and supply power, the problem that the circuit breaker switch falls off when the worker pushes and pulls the circuit breaker switch with force is prevented, and the worker can operate stably.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safe power distribution tool devices, in particular to a safe low-voltage circuit breaker power-off and power-on insulation operation device. BACKGROUND

[0002] In daily low-voltage power distribution cable operation and maintenance work, it is found that the current low-voltage circuit breaker power-off and power-on operation maintenance personnel generally wear insulating gloves to directly operate the low-voltage circuit breaker. This operation method is too close to the circuit breaker for the operator, and in a harsh operating environment (such as a wet circuit breaker, a short-circuit fault of low voltage, etc.), the circuit breaker is easily split and combined, which is easy to produce arc and cause arc injury accidents, even cause fire or explosion, and the personal safety of the operator is seriously threatened.

[0003] The traditional low-voltage circuit breaker power-off and power-on often needs close-range operation, and even high-altitude operation, which has great safety risks. The user often cannot observe the specific situation at the circuit breaker well when the operation distance is too far, and the locking and pulling of the circuit breaker switch is easy to slide and fall off, so there is an urgent need to invent a safer new type of low-voltage circuit breaker power-off and power-on insulation operation device to solve this problem. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a safe low-voltage circuit breaker power-off and power-on insulation operation device, which solves the problem of low safety of the existing low-voltage circuit breaker power-off and power-on operation.

[0005] To achieve the above purpose, the present application is implemented by the following technical scheme: a safe low-voltage circuit breaker power-off and power-on insulation operation device, comprising:

[0006] As an insulating operating rod for operation, the inner wall of the insulating operating rod is connected to the outside, the inner wall of the insulating operating rod is fixedly connected with an inner guide rod in the middle of the other side, the outer wall of the inner guide rod is connected with an extension rod through a telescopic assembly, the extension rod is slidably connected to the outer wall of the inner guide rod, the extension rod is used for extension, a threaded assembly groove is formed in the outer end of the extension rod, a connecting elbow is connected to the inner wall of the threaded assembly groove through a threaded connection, a U-shaped head is connected to the other end of the connecting elbow through a threaded connection, limit rods are fixedly connected to the inner wall of the U-shaped head on both sides, rotating baffles are connected to the outer wall of the limit rods through a folding assembly, sliding pressure plates are slidably connected to the outer end of the limit rods on both sides, and the sum of the lengths of the rotating baffles on both sides is equal to the distance between the inner walls of the U-shaped head on both sides.

[0007] As the adjusting sleeve of the connection adjustment, the outer wall of the left end of the adjusting sleeve is rotationally connected with a sliding seat, the inner wall of the sliding seat is slidably connected with the outer wall of the insulated operating rod, the outer wall of the right end of the adjusting sleeve is slidably connected with a plurality of pressing clamping blocks, the outer wall of the middle part of each of the pressing clamping blocks is fixedly connected with a sliding block, the outer wall of each of the sliding blocks is slidably connected with the inner wall of the adjusting sleeve, the inner side of one end of each of the sliding blocks is fixedly connected with a third spring, and the inner side of one end of each of the third springs is fixedly connected with the inner wall of the adjusting sleeve.

[0008] The adjusting sleeve for rotating the visual angle is rotationally connected with the outer wall of the extension rod, a plurality of transverse through grooves are formed in the outer wall of the adjusting sleeve, the width of the pressing clamping block is smaller than the width of the transverse through groove, the outer wall of the right end of the adjusting sleeve is fixedly connected with an L-shaped support frame, the outer wall of the right end of the L-shaped support frame is provided with a shooting device through a limiting assembly, and the shooting port of the shooting device faces one side of the U-shaped head.

[0009] The steel wire rope for pulling the limiting stop power supply switch penetrates through the inner walls of the insulated operating rod, the extension rod, the connecting bent rod and the U-shaped head, the outer wall of the left end of the insulated operating rod is fixedly connected with a placing frame, the inner wall of the left end of the placing frame is rotationally connected with a winding shaft, one end of the steel wire rope is wound around the outer wall of the winding shaft, the other end of the steel wire rope penetrates through the limiting rod in the inner wall of the U-shaped head and is fixedly connected with the inward one end of the sliding pressing plate, and the outer wall of the connecting bent rod is fixedly connected with a hanging ring for guiding the direction of the steel wire rope.

[0010] Preferably, the telescopic assembly comprises a threaded connector head slidably connected with the outer wall of the inner guide rod, the left end of the extension rod is fixedly connected with the right end of the threaded connector head, the outer wall of the threaded connector head is threadedly connected with an internal threaded sleeve, the outer wall of the internal threaded sleeve is rotationally connected with the inner wall of the insulated operating rod, and the outer wall diameter of the extension rod is smaller than the outer wall diameter of the threaded connector head.

[0011] Preferably, the inner wall of the internal threaded sleeve is outwardly provided with an annular groove, the inner wall of the annular groove is fixedly connected with a partition block on both sides, the inner wall of the annular groove is transversely flush with the inward one side of the L-shaped insertion rod.

[0012] Preferably, the inner wall of the sliding seat is slidably connected with a limiting sliding rod on four sides, the outer wall of the limiting sliding rod is sleeved with a first spring, one end of the first spring is fixedly connected with the left side of the sliding seat, the other end of the first spring is fixedly connected with the outer wall of the insulated operating rod, and the two ends of the limiting sliding rod are fixedly connected with the outer wall of the insulated operating rod.

[0013] Preferably, the folding assembly comprises a support plate slidingly connected to the middle part of the outer wall of the limiting rod, the width of the support plate is equal to half of the width of the sliding pressing plate, the opposite sides of the support plate are fixedly connected with rotating shafts, the rotating baffle plates are rotationally connected to the outer wall of the rotating shafts, the ends of the rotating baffle plates are fixedly connected with torsional springs, the other ends of the torsional springs are fixedly connected to the inner wall of the support plate, and the torsional springs are sleeved on the outer wall of the rotating shaft.

[0014] Preferably, the inward sides of the support plates are fixedly connected with second springs, the other ends of the second springs are fixedly connected to the inner wall of the support plate, and the second springs are sleeved on the outer wall of the limiting rod.

[0015] Preferably, the limiting assembly comprises a threaded rod rotationally connected to the inner wall of the L-shaped support frame, one end of the threaded rod penetrates through the outer wall of the L-shaped support frame, the outer wall of the threaded rod is threadedly connected with a threaded sliding plate, the inward side of the outer wall of the threaded sliding plate is slidingly connected to the inner wall of the L-shaped support frame, the two ends of the side of the threaded sliding plate facing the U-shaped head are fixedly connected with limiting frames, the photographing device is installed on the inner wall of the limiting frame, and the width of the limiting frame is greater than the width of the photographing device.

[0016] Preferably, the outer wall of the insulating operating rod is fixedly connected with a display frame, the inner wall of the display frame is rotationally connected with a display screen on the outward side, and the display screen and the photographing device are electrically connected.

[0017] Preferably, the outer wall of the left end of the insulating operating rod is provided with a circular truncated cone threaded groove, the inner wall of the left end of the insulating operating rod is sleeved with a threaded plug through the circular truncated cone threaded groove, the left end of the threaded plug is fixedly connected with a pull ring, and the outer wall of the left side of the insulating operating rod is sleeved with an insulating handle.

[0018] Preferably, the outer wall of the extension rod is slidingly connected with anti-loosening protrusions at the rightmost positions of the transverse through grooves in the inner wall of the adjusting sleeve, the inner sides of the anti-loosening protrusions are fixedly connected with fourth springs, and the inner sides of the fourth springs are fixedly connected to the inner wall of the extension rod.

[0019] Working principle: first use the operating rod, after taking out the threaded plug, the adjusting sleeve is pressed and the sliding seat is moved, the first spring is compressed and the sliding seat is moved outside the limiting sliding rod, until the L-shaped plug in the inner wall of the adjusting sleeve moves to the inner wall of the annular groove, then rotate the adjusting sleeve to make the L-shaped plug rotate in the inner wall of the annular groove, until the L-shaped plug rotates to contact the partition block, then continue to rotate, so that the inner thread sleeve rotates in the inner wall of the insulating operating rod, and then the internal threaded connector is pushed to the outer wall of the inner guide rod under the action of the screw, and the extension rod is pushed out and extended, and the extension rod is loosened after being extended to a sufficient distance, and the first spring is reset, at this time, rotating the adjusting sleeve will not make the inner thread sleeve rotate, and the extension rod will not continue to extend due to accidental touch, then the pressing blocks on both sides of the adjusting sleeve are pressed to make the sliding blocks on both sides extrude the third spring and slide inward, until the opposite side of the pressing blocks on both sides contacts with the outer wall of the extension rod and is clamped in the horizontal groove in the inner wall of the adjusting sleeve, then rotate the adjusting sleeve to make the adjusting sleeve rotate together under the action of the clamping block, and then the shooting device on the L-shaped support frame is rotated to the appropriate position on the four sides of the U-shaped head to monitor the position of the circuit breaker switch, so that the user can find the corresponding switch on the circuit breaker more quickly and accurately, then the U-shaped head is clamped on the outer wall of the circuit breaker switch through the opening side, and the user below sees the display screen on the display stand that the U-shaped head completely wraps the circuit breaker switch, then the winding shaft is rotated to pull the steel wire rope, and then the sliding pressure plate slides to the inner side of the U-shaped head under the pulling action of the steel wire rope, and the sliding pressure plate will extrude the opposite side of the rotating baffle during the sliding process, so that the rotating baffle will be pushed to rotate on the support plate during the sliding of the sliding pressure plate close to the support plate, and then the U-shaped head opening is blocked, and when the sliding pressure plate slides to completely contact with the support plate, the rotating baffle will be rotated to be perpendicular to the outer wall of the limiting rod, so that the U-shaped head opening is completely blocked, then the winding shaft is continuously rotated to pull the steel wire rope, so that the support plate, the sliding pressure plate and the rotating baffle continue to slide to the inner side of the U-shaped head, so that the rotating baffle continues to slide to the inner side to further limit the circuit breaker switch, until the winding shaft is difficult to rotate, and the display screen observes that the shooting device has shot the circuit breaker switch being completely limited, then the threaded plug is screwed into the circular table-shaped threaded groove at the bottom of the insulating operating rod, so that the position of the steel wire rope is fixed, then the position of the sliding pressure plate, the support plate and the rotating baffle in the inner wall of the U-shaped head is fixed, so that the circuit breaker switch is completely limited and firm, and then the operator can stably push and pull the circuit breaker switch.

[0020] The application provides a safe low-voltage circuit breaker power-on / off insulation operating device.

[0021] 1. The steel wire rope is arranged throughout the insulating operating rod, so that when the staff pushes and pulls the circuit breaker switch through the U-shaped head to stop and send power, the circuit breaker switch can be placed in the inner wall of the U-shaped head, and then the circuit breaker switch with different shapes on the outer wall of the U-shaped head is stably limited in the inner wall through the cooperation of the U-shaped head inner wall and the rotating baffle by pulling the steel wire rope, so that the staff can operate stably.

[0022] 2. The adjusting sleeve ring and the internal thread sleeve are arranged, so that the insulating operating rod can be stably pushed out to a sufficient length in actual use, so that the user can operate the circuit breaker switch of different heights, and the extension rod will not rotate during the pushing out process, so as to avoid affecting the normal operation of the staff, so that the maintenance personnel and the low-voltage circuit breaker maintain a certain safety distance, avoid causing electric arc injury accidents when arcing, ensure that the operator can complete the stop and send power operation at a long distance, and greatly reduce the operation risk.

[0023] 3. The photographing device and the adjusting sleeve are arranged, so that the adjusting sleeve ring can drive the adjusting sleeve to rotate by pressing the pressing clamping block during rotation, so as to drive the photographing device on the outer side of the U-shaped head to rotate to the appropriate position on four sides to observe the environment around the circuit breaker switch, and assist the user to find the circuit breaker switch more quickly and accurately to sleeve the U-shaped head on the circuit breaker switch, so that the operation is more intuitive and easy to master. DRAWINGS

[0024] Figure 1 It is a perspective view of the present application;

[0025] Figure 2 It is a schematic view of the extension rod structure of the present application;

[0026] Figure 3 It is a half-section view of the insulating operating rod of the present application;

[0027] Figure 4 It is a schematic view of the internal thread sleeve structure of the present application;

[0028] Figure 5 It is a half-section view of the extension rod of the present application;

[0029] Figure 6 It is Figure 5 It is an enlarged view of A in the middle;

[0030] Figure 7 It is a schematic view of the adjusting sleeve ring structure of the present application

[0031] Figure 8 It is a half-section view of the adjusting sleeve ring of the present application;

[0032] Figure 9 It is a schematic view of the U-shaped head structure of the present application.

[0033] Figure 10 It is a schematic view of the U-shaped head structure of the present application.

[0034] Figure 11 It is a schematic view of the U-shaped head structure of the present application. Figure 10 It is a schematic view of the U-shaped head structure of the present application.

[0035] Figure 12 It is a schematic view of the U-shaped head structure of the present application.

[0036] Figure 13 It is a schematic view of the U-shaped head structure of the present application.

[0037] Figure 14 It is a schematic view of the U-shaped head structure of the present application.

[0038] Figure 15 It is a schematic view of the U-shaped head structure of the present application.

[0039] 1, an insulating operating rod; 2, a display rack; 3, a first spring; 4, a sliding seat; 5, an adjusting sleeve ring; 6, an adjusting sleeve; 7, a pressing block; 8, an extension rod; 9, a connecting bent rod; 10, a U-shaped head; 11, a shooting device; 12, an L-shaped support frame; 13, a winding shaft; 14, an insulating handle; 15, a placing rack; 16, an L-shaped inserting rod; 17, a threaded connecting head; 18, an anti-loosening protrusion; 19, a threaded rod; 20, a hanging ring; 21, a limiting rack; 22, a threaded sliding plate; 23, a second spring; 24, a limiting rod; 25, a rotating baffle; 26, a steel wire rope; 27, a sliding pressing plate; 28, a supporting plate; 29, a sliding block; 30, a third spring; 31, a threaded plug; 32, an inner guide rod; 33, an inner threaded sleeve; 34, a limiting sliding rod; 35, an annular groove; 36, a partition block; 37, a display screen; 38, a torsional spring; 39, a fourth spring; 40, a threaded assembly groove. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] As shown in the drawings, the embodiments are as follows: Figures 1-15

[0042] ​The embodiment of the present application provides a safe low-voltage circuit breaker power transmission and cut-off insulation operating device, which comprises an insulation operating rod 1 used for operation, the inner wall of the insulation operating rod 1 is connected with the outside, the middle part of the other side of the inner wall of the insulation operating rod 1 is fixedly connected with an inner guide rod 32, the inner wall of the inner guide rod 32 is slidably connected with a threaded connector 17 on the inward side, the right end of the threaded connector 17 is fixedly connected with an extension rod 8, the inner wall of the extension rod 8 is slidably connected with the outer wall of the inner guide rod 32, the outer wall of the threaded connector 17 is threadedly connected with an inner threaded sleeve 33, the outer wall of the inner threaded sleeve 33 is rotatably connected with the inner wall of the insulation operating rod 1, the outer wall diameter of the extension rod 8 is smaller than that of the threaded connector 17, the extension rod 8 is used for lengthening use, the inner wall of the inner threaded sleeve 33 is provided with an annular groove 35 on the outward end, the inner wall of the annular groove 35 is fixedly connected with a partition block 36 on both sides, the outward end of the extension rod 8 is provided with a threaded assembly groove 40, the inner wall of the threaded assembly groove 40 is threadedly connected with a connecting bent rod 9, the other end of the connecting bent rod 9 is threadedly connected with a U-shaped head 10, the inner wall of the U-shaped head 10 is fixedly connected with a limiting rod 24 on both sides, the middle part of the outer wall of the limiting rod 24 is slidably connected with a supporting plate 28, the opposite side of the two supporting plates 28 is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is rotatably connected with a rotating baffle 25, the two ends of the rotating baffle 25 are fixedly connected with a torsional spring 38, the other end of the torsional spring 38 is fixedly connected with the inner wall of the supporting plate 28, the torsional spring 38 is sleeved on the outer wall of the rotating shaft, the outward end of the outer wall of the limiting rod 24 is slidably connected with a sliding pressing plate 27, the width of the supporting plate 28 is equal to half of the width of the sliding pressing plate 27, the length sum of the two rotating baffles 25 is equal to the distance between the inner walls of the U-shaped head 10, the inward side of the supporting plate 28 is fixedly connected with a second spring 23, the other end of the second spring 23 is fixedly connected with the inner wall of the supporting plate 28, and the second spring 23 is sleeved on the outer wall of the limiting rod 24.

[0043] Specifically, the main body of the insulation operating rod 1 is made of glass steel insulation material, the U-shaped head 10 is made of flat steel, the outer wall of the extension rod 8 does not directly contact with the inner wall of the inner threaded sleeve 33, the extension rod 8 is pushed to slide linearly outward on the outer wall of the inner guide rod 32 through the threaded connector 17, the rotating baffle 25 keeps an open state under the action of the torsional spring 38 at this time, the torsional spring 38 is twisted to rotate on the outer wall of the rotating shaft after the sliding pressing plate 27 extrudes the back surface, and the rotating baffle 25 is rotated to keep a vertical state with the limiting rod 24 along with the continuous sliding extrusion of the sliding pressing plate 27, the length of the two baffles 25 can just block the opening of the U-shaped head, and the second spring 23 and the torsional spring 38 are used for pushing and pulling the circuit breaker switch, and the sliding pressing plate 27 and the rotating baffle 25 are released from the limiting reset.

[0044] As the connecting adjusting effect adjusting ring 5, adjusting ring 5 left end outer wall rotationally connected with the sliding seat 4, sliding seat 4 inner wall slidingly connected in the insulating operating rod 1 outer wall, adjusting ring 5 outer wall right end slidingly connected with several push blocks 7, push block 7 outer wall middle part is fixedly connected with the sliding block 29, sliding block 29 outer wall is slidingly connected in the adjusting ring 5 inner wall, the sliding block 29 inner side one end is fixedly connected with the third spring 30, the third spring 30 inner side one end is fixedly connected in the adjusting ring 5 inner wall, sliding seat 4 inner wall four sides are slidingly connected with the limiting slide bar 34, the limiting slide bar 34 outer wall is sleeved with the first spring 3, the first spring 3 one end is fixedly connected in the sliding seat 4 left side, the first spring 3 other end is fixedly connected in the insulating operating rod 1 outer wall, the limiting slide bar 34 both ends are fixedly connected in the insulating operating rod 1 outer wall, adjusting ring 5 inner wall both sides middle part is fixedly connected with the L-shaped insertion rod 16, L-shaped insertion rod 16 inward side is transversely flush with the annular groove 35 inner wall;

[0045] Specifically, adjusting ring 5 will not produce any effect on the extension rod 8 under normal rotation, thereby preventing the structure on the insulating operating rod 1 from being easily loosened, the sliding of push block 7 in the adjusting ring 5 inner wall will reset under the action of sliding block 29 and third spring 30, and the reset effect of the push block 7 does not contact the internal extension rod 8, the sliding seat 4 can also be operated in rotation when the adjusting ring 5 normally slides on the insulating operating rod 1 outer wall, the first spring 3 is used to push the sliding seat 4 to reset on the insulating operating rod 1 outer wall, when the adjusting ring 5 presses the sliding seat 4 to compress the first spring 3, the L-shaped insertion rod 16 will also move, and after being inserted into the annular groove 35 inner wall of the internal threaded sleeve 33, rotating the adjusting ring 5 will make the L-shaped insertion rod 16 rotate, and when the L-shaped insertion rod 16 rotates for a period of time, it will hit the partition block 36 and continue to rotate to drive the internal threaded sleeve 33 to rotate in the insulating operating rod 1 inner wall;

[0046] The adjusting sleeve 6 for rotating the visual angle is rotationally connected to the outer wall of the extension rod 8, a plurality of transverse through grooves are formed in the outer wall of the adjusting sleeve 6, the width of the pressing block 7 is smaller than the width of the transverse through groove, the L-shaped support frame 12 is fixedly connected to the right end of the outer wall of the adjusting sleeve 6, the threaded rod 19 is rotationally connected to the right end of the outer wall of the L-shaped support frame 12, one end of the threaded rod 19 penetrates through the outer wall of the L-shaped support frame 12, the threaded slide plate 22 is threadedly connected to the outer wall of the threaded rod 19, the outer wall of the threaded slide plate 22 is slidingly connected to the inner wall of the L-shaped support frame 12 towards the inside, the limiting frame 21 is fixedly connected to both ends of the side of the threaded slide plate 22 towards the U-shaped head 10, the shooting device 11 is mounted in the inner wall of the limiting frame 21, the width of the limiting frame 21 is greater than the width of the shooting device 11, the shooting port of the shooting device 11 faces the side of the U-shaped head 10, the display frame 2 is fixedly connected to the outer wall of the insulating operating rod 1, the display screen 37 is rotationally connected to the outer wall of the display frame 2 towards the outside, the display screen 37 is electrically connected to the shooting device 11, the anti-loosening protrusions 18 are slidingly connected to the outer wall of the extension rod 8 corresponding to the rightmost positions of the transverse through grooves in the inner wall of the adjusting sleeve 6, the fourth springs 39 are fixedly connected to the inner side of one end of the anti-loosening protrusions 18, and the inner side of one end of the fourth springs 39 is fixedly connected to the inner wall of the extension rod 8.

[0047] Specifically, when the pressing block 7 is slid to the inner wall of the adjusting sleeve 6 and contacts the outer wall of the extension rod 8, the pressing block 7 is inserted into the transverse through groove in the inner wall of the adjusting sleeve 6, the adjusting sleeve 5 is rotated to the position corresponding to the inner wall of the transverse through groove before being pressed, when the pressing block 7 is clamped in the inner wall of the transverse through groove, the adjusting sleeve 5 is continuously rotated to drive the adjusting sleeve 6 to rotate on the outer wall of the extension rod 8, so that the shooting device 11 on the L-shaped support frame 12 is rotated to the appropriate position to observe the situation of the circuit breaker switch, and the U-shaped head 10 is aligned with the switch position, and the adjusting sleeve 6 is pressed against the anti-loosening protrusions 18 on the outer wall of the extension rod 8 during the rotation process, so that the fourth springs 39 are compressed and shrink into the inner wall of the extension rod 8, thereby ensuring that the adjusting sleeve 6 on the outer wall of the extension rod 8 cannot be easily changed in position without active operation of the user, the shooting device 11 is a simple camera device, the user can drive the threaded slide plate 22 to slide in the inner wall of the L-shaped support frame 12 by rotating the threaded rod 19, so as to change the distance between the limiting frame 21 and the L-shaped support frame 12, and then the shooting device 11 can be placed in the limiting frame 21 for removal and maintenance, the display screen 37 on the display frame 2 transmits wireless signals to display the photographed images on the display screen 37, so as to facilitate the user to observe the contact situation of the U-shaped head 10 and the circuit breaker switch in real time.

[0048] Steel wire rope 26 for pulling the limit stop power-off switch, steel wire rope 26 runs through the insulating operating rod 1, extension rod 8, connecting elbow 9 and the inner wall of U-shaped head 10, the outer wall of the left end of insulating operating rod 1 is fixedly connected with placing rack 15, the inner wall of the left end of placing rack 15 is rotatably connected with winding shaft 13, one end of steel wire rope 26 is wound on the outer wall of winding shaft 13, the other end of steel wire rope 26 runs through the limiting rod 24 in the inner wall of U-shaped head 10 and is fixedly connected with the inner end of sliding pressure plate 27, the outer wall of connecting elbow 9 is fixedly connected with hanging ring 20 for guiding the direction of steel wire rope 26, the outer wall of the left end of insulating operating rod 1 is provided with a circular truncated cone threaded groove, the inner wall of the left end of insulating operating rod 1 is sleeved with threaded plug 31 through the circular truncated cone threaded groove, the left end of threaded plug 31 is fixedly connected with a pull ring, the outer wall of the left side of insulating operating rod 1 is sleeved with insulating handle 14;

[0049] Specifically, the rotation of winding shaft 13 on placing rack 15 will drive steel wire rope 26 to be wound on the outer wall of winding shaft 13, so as to change the length of steel wire rope 26 being put out, after the threaded combination of threaded plug 31 and the circular truncated cone threaded groove in the inner wall of insulating operating rod 1, the position of steel wire rope 26 in the inner wall of insulating operating rod 1 will be limited, threaded plug 31 can be taken out by rotating the pull ring, steel wire rope 26 will be divided into two branch lines in the inner wall of U-shaped head 10 and connected with sliding pressure plate 27 through two limiting rods 24 respectively, insulating handle 14 is made of rubber material to prevent electric shock and improve safety, hanging ring 20 is used for guiding or fixing steel wire rope 26 when the push-pull rod is made.

[0050] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A safe low voltage circuit breaker no-load and load making insulation operating device, characterized in that, Include: As the operation of the use of the insulating operating rod (1), the inner wall of the insulating operating rod (1) is connected with the outside, the inner wall of the insulating operating rod (1) is fixedly connected with the inner guide rod (32) in the middle of the other side, the outer wall of the inner guide rod (32) is connected with the extension rod (8) through the telescopic assembly, the inner wall of the extension rod (8) is connected with the outer wall of the inner guide rod (32), the extension rod (8) is used for extension, the outer end of the extension rod (8) is provided with a threaded assembly groove (40), the inner wall of the threaded assembly groove (40) is connected with the connecting elbow (9) through the threaded connection, the other end of the connecting elbow (9) is connected with the U-shaped head (10) through the threaded connection, the inner wall of the U-shaped head (10) is fixedly connected with the limiting rod (24) on both sides, the outer wall of the limiting rod (24) is connected with the rotating baffle (25) through the folding assembly, the outer wall of the limiting rod (24) is slidably connected with the sliding pressure plate (27) on the outer end, the sum of the lengths of the rotating baffle (25) on both sides is equal to the distance between the inner walls of the U-shaped head (10) on both sides; As the connection adjustment effect of the adjusting sleeve ring (5), the outer wall of the left end of the adjusting sleeve ring (5) is rotatably connected with the sliding seat (4), the inner wall of the sliding seat (4) is slidably connected with the outer wall of the insulating operating rod (1), the outer wall of the right end of the adjusting sleeve ring (5) is slidably connected with a plurality of pressing clamping blocks (7), the outer wall of the pressing clamping block (7) is fixedly connected with the sliding block (29) in the middle, the outer wall of the sliding block (29) is slidably connected with the inner wall of the adjusting sleeve ring (5), the inner side of the sliding block (29) is fixedly connected with the third spring (30) on one end, and the inner side of the third spring (30) is fixedly connected with the inner wall of the adjusting sleeve ring (5) on one end. The adjusting sleeve (6) is used for rotating the angle of view, the adjusting sleeve (6) is rotatably connected with the outer wall of the extension rod (8), a plurality of transverse through grooves are formed in the outer wall of the adjusting sleeve (6), the width of the pressing clamping block (7) is less than the width of the transverse through groove, the outer wall of the right end of the adjusting sleeve (6) is fixedly connected with the L-shaped support frame (12), the outer wall of the right end of the L-shaped support frame (12) is provided with the shooting device (11) through the limiting assembly, and the shooting port of the shooting device (11) faces one side of the U-shaped head (10). The steel wire rope (26) is used for pulling the limiting stop power switch, the steel wire rope (26) penetrates the inner walls of the insulating operating rod (1), the extension rod (8), the connecting elbow (9) and the U-shaped head (10), the outer wall of the left end of the insulating operating rod (1) is fixedly connected with the placing rack (15), the inner wall of the left end of the placing rack (15) is rotatably connected with the winding shaft (13), one end of the steel wire rope (26) is wound on the outer wall of the winding shaft (13), the other end of the steel wire rope (26) penetrates the limiting rod (24) in the inner wall of the U-shaped head (10) and is fixedly connected with the sliding pressure plate (27) on the inward end, and the outer wall of the connecting elbow (9) is fixedly connected with the hanging ring (20) for guiding the direction of the steel wire rope (26).

2. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 1, characterized in that: The telescopic assembly comprises a threaded connector (17) slidably connected to the outer wall of the inner guide rod (32), the left end of the extension rod (8) is fixedly connected to the right end of the threaded connector (17), the outer wall of the threaded connector (17) is threadedly connected with an internally threaded sleeve (33), the outer wall of the internally threaded sleeve (33) is rotatably connected to the inner wall of the insulated operating rod (1), and the outer wall diameter of the extension rod (8) is smaller than that of the threaded connector (17).

3. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 2, characterized in that: An annular groove (35) is formed in the outer wall of the internally threaded sleeve (33), the two sides of the inner wall of the annular groove (35) are fixedly connected with a partition block (36), the inner wall of the adjusting sleeve ring (5) is fixedly connected with an L-shaped insertion rod (16) at the middle of the two sides, and the inner side of the L-shaped insertion rod (16) is transversely flush with the inner wall of the annular groove (35).

4. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 1, characterized in that: The inner wall of the sliding seat (4) is slidably connected with a limiting sliding rod (34) on four sides, the outer wall of the limiting sliding rod (34) is sleeved with a first spring (3), one end of the first spring (3) is fixedly connected to the left side of the sliding seat (4), the other end of the first spring (3) is fixedly connected to the outer wall of the insulated operating rod (1), and the two ends of the limiting sliding rod (34) are fixedly connected to the outer wall of the insulated operating rod (1).

5. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 1, characterized in that: The folding assembly comprises a support plate (28) slidably connected to the outer wall of the limiting rod (24), the width of the support plate (28) is equal to half the width of the sliding pressing plate (27), the two sides of the support plate (28) are fixedly connected with a rotating shaft on one side, the rotating baffle (25) is rotatably connected to the outer wall of the rotating shaft, the two ends of the rotating baffle (25) are fixedly connected with a torsional spring (38), the other end of the torsional spring (38) is fixedly connected to the inner wall of the support plate (28), and the torsional spring (38) is sleeved on the outer wall of the rotating shaft.

6. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 5, characterized in that: The inner side of the support plate (28) is fixedly connected with a second spring (23), the other end of the second spring (23) is fixedly connected to the inner wall of the support plate (28), and the second spring (23) is sleeved on the outer wall of the limiting rod (24).

7. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 1, characterized in that: The limiting assembly comprises a threaded rod (19) rotatably connected to the inner wall of the L-shaped support frame (12), one end of the threaded rod (19) penetrates the outer wall of the L-shaped support frame (12), the outer wall of the threaded rod (19) is threadedly connected with a threaded sliding plate (22), the outer wall of the threaded sliding plate (22) is slidably connected to the inner wall of the L-shaped support frame (12) on the inner side, the two ends of the threaded sliding plate (22) are fixedly connected with a limiting frame (21) on the side facing the U-shaped head (10), the shooting device (11) is installed on the inner wall of the limiting frame (21), and the width of the limiting frame (21) is greater than that of the shooting device (11).

8. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 7, characterized in that: The outer wall of the insulated operating rod (1) is fixedly connected with a display frame (2), the inner wall of the display frame (2) is rotatably connected with a display screen (37) on the outer side, and the display screen (37) is electrically connected with the shooting device (11).

9. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 1, characterized in that: The insulating operating rod (1) left end outer wall is provided with a circular truncated cone thread groove, the insulating operating rod (1) left end inner wall is sleeved with a threaded plug (31) through the circular truncated cone thread groove, the threaded plug (31) left end is fixedly connected with a pull ring, and the insulating operating rod (1) outer wall left side is sleeved with an insulating handle (14).

10. A safe low voltage circuit breaker no-load and load insulation operating device according to claim 1, characterized in that: The outer wall of the extension rod (8) is slidably connected with an anti-loosening protrusion (18) at the rightmost position of the transverse through groove in the inner wall of the adjusting sleeve (6), one end of the inner side of the anti-loosening protrusion (18) is fixedly connected with a fourth spring (39), and the inner side of the fourth spring (39) is fixedly connected to the inner wall of the extension rod (8).