Handcart circuit breaker lifting inspection platform

Abstract

The invention provides a handcart circuit breaker hoisting inspection platform, and belongs to the technical field of handcart circuit breaker overhaul, the handcart circuit breaker hoisting inspection platform comprises a receiving and sending assembly, the receiving and sending assembly comprises a control box, the control box is provided with a lifting assembly, the receiving and sending assembly further comprises a bearing bottom plate, an anti-falling assembly is arranged between the lifting assembly and the bearing bottom plate, and the anti-falling assembly is provided with an anti-falling function. And a hoisting assembly is adjustably arranged at the top of the control box. The handcart circuit breaker lifting device has the advantages that the pick-up assembly is pushed to move, the handcart circuit breaker is moved to the lifting assembly, the lifting assembly is supported through the anti-falling assembly, the lifting assembly drives the handcart circuit breaker to move, the lifting assembly is operated to lift the handcart circuit breaker through a lifting hook hole in the handcart circuit breaker, and the lifting assembly descends. The bottom of the handcart circuit breaker is not shielded any more, the handcart circuit breaker does not need to be toppled over or inverted when the handcart circuit breaker is overhauled and operated, damage caused by inversion of the handcart circuit breaker and people injury caused by toppling over are avoided, and the safety of the handcart circuit breaker during overhauling is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of trolley circuit breaker maintenance, and in particular relates to a trolley circuit breaker hanging inspection platform. Background Art

[0002] When overhauling a VS1 circuit breaker, the circuit breaker needs to be pulled to the inspection position by a traditional transfer cart to disassemble various parts for maintenance. However, there are auxiliary switches for five-protection locking and travel screws for the in and out of the cart on the chassis of the cart. This part of the inspection and maintenance requires manual sideways or direct inversion of the circuit breaker, which is time-consuming and laborious, and is easy to cause damage to the main body plastic parts, moving contacts and conductive rods, and may also tip over and injure people. Summary of the invention

[0003] The technical problem to be solved by the present invention is to manually place the circuit breaker sideways or directly invert it on the chassis of a handcart for maintenance. In view of the shortcomings of the prior art, a handcart circuit breaker lifting inspection platform is provided, which can use the circuit breaker lifting hole to lift the circuit breaker. In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: comprising a pick-up and delivery component, the pick-up and delivery component comprises a control box, a lifting component is arranged on the control box, the pick-up and delivery component also comprises a bearing bottom plate, an anti-drop component is arranged between the lifting component and the bearing bottom plate, and a lifting component is adjustable on the top of the control box; The lifting assembly includes a T-shaped frame, a slide is fixedly installed in the control box, the T-shaped frame is slidably connected to the surface of the slide, the lifting assembly includes an adjusting rod, the adjusting rod is slidably set inside the slide, and a locking assembly is set on the top of the control box, and the locking assembly is used to lock the adjusting rod to adjust the height of the lifting assembly.

[0004] Furthermore, a motor is installed inside the control box, a screw rod is connected to the output end of the motor, the T-shaped frame is threadedly connected to the screw rod, and a lifting frame is fixedly installed on the top of the T-shaped frame.

[0005] Furthermore, the anti-fall assembly includes hinges respectively installed at the bottom of the lifting assembly and one side of the control box, an adjustment sleeve is fixedly connected to one side of the hinge at the bottom of the lifting assembly, an adjustment sleeve rod is slidably arranged inside the adjustment sleeve, and one end of the adjustment sleeve rod is fixedly installed with the hinge at one side of the control box; The interior of the adjusting sleeve frame is fixedly connected with a locking tooth bar, the interior of the adjusting sleeve rod is provided with a tooth-accommodating groove, the bottom of the tooth-accommodating groove is provided with a latching tooth groove, the interior of the latching tooth groove is provided with a latching tooth column, the surface of the latching tooth column is rotatably provided with a latching tooth, the latching tooth is used to be hinged with the latching tooth column, the interior of the latching tooth groove is provided with a spring sheet, one end of the spring sheet abuts against the latching tooth; Sliding cover grooves are arranged on both sides of the tooth groove, a sliding cover is slidably arranged inside the sliding cover groove for allowing the latching tooth to completely enter the latching tooth groove, the sliding cover is slidably arranged above the latching tooth groove, and pushing blocks are arranged at both ends of the latching tooth column for pushing the sliding cover to move.

[0006] Furthermore, the pick-up and delivery assembly includes moving wheels with wheel locking function arranged at the control box and the bottom of the bearing base plate.

[0007] Furthermore, a connecting rod is fixedly installed on the top of the adjusting rod, a supporting rod is arranged on one side of the connecting rod, a hook frame is arranged at one end of the supporting rod, a lifting rope is arranged at the bottom of the lifting hook frame, and a lifting hook is fixedly installed at the bottom of the lifting rope.

[0008] Furthermore, the locking assembly includes a locking box fixedly mounted on the top of the control box, a pin magazine being arranged inside the locking box, a pin being slidingly arranged inside the pin magazine, a surface of the pin near the middle being fixedly connected to a limiting disk, a spring being arranged on one side of the limiting disk, one end of the spring abutting against the inside of the pin magazine, a slot matching the locking assembly being arranged on the surface of the adjusting rod, one end of the pin passing through the locking box and being plugged into the inside of the slot.

[0009] Furthermore, a distance adjusting groove is provided on one side of the connecting rod, a sliding rod is provided inside the distance adjusting groove, a distance adjusting head is slidably connected to the sliding rod through the distance adjusting groove on one side of the connecting rod, and one side of the distance adjusting head is fixedly connected to the support rod.

[0010] Furthermore, the hook includes a pie-shaped piece, a surface of the pie-shaped piece is provided with a hook groove, the bottom surface of the hook groove is arranged in an arc shape, one side of the pie-shaped piece is threadedly connected with a screw, and one end of the screw is used to penetrate into the interior of the hook groove.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. Push the pick-up assembly to move, move the trolley circuit breaker to the lifting assembly, support the lifting assembly through the anti-drop assembly, the lifting assembly drives the trolley circuit breaker to move, operate the lifting assembly to lift the trolley circuit breaker through the hook hole on the trolley circuit breaker, lower the lifting assembly so that the bottom of the trolley circuit breaker is no longer blocked, and repair the trolley circuit breaker. There is no need to tip over or invert the trolley circuit breaker during operation to avoid damage caused by inverted trolley circuit breaker and injury caused by tipping, thereby improving the safety of trolley circuit breaker maintenance.

[0012] 2. When the lifting assembly rises, the motor drives the lead screw to rotate, and the rotation of the lead screw causes the T-shaped frame and the lifting frame to move. When the lifting frame moves, the hinge causes the adjusting sleeve frame and the adjusting sleeve rod to tilt and extend, and the adjusting sleeve rod moves in the adjusting sleeve frame, and the elastic force of the spring drives the latching tooth to rotate with the latching tooth column as the center, and rotates out of the latching tooth groove. After adjusting the position of the lifting assembly, one side of the latching tooth abuts against the teeth of the lock rack, so that the adjusting sleeve frame and the adjusting sleeve rod are fixed, and the lifting frame is supported when the trolley circuit breaker moves to the lifting frame. At the same time, when the lifting frame moves, the latching tooth moves unidirectionally on the lock rack to prevent the lifting assembly from falling.

[0013] 3. When the lifting assembly lifts the trolley circuit breaker, continue to move the lifting assembly upward for a distance, so that the push block on the right side abuts against the sliding cover and drives the sliding cover to move along the sliding cover groove, pushing the latch tooth completely into the latch tooth groove, so that the sliding cover covers the opening of the latch tooth groove. At this time, the latch tooth is no longer in contact with the lock rack. When the lifting assembly is lowered, the anti-drop assembly can be retracted. When retracting, the push block on the left side abuts against and moves the sliding cover, so that the sliding cover leaves the latch tooth groove and the latch tooth pops out. The support and recovery of the anti-drop assembly do not require manual operation, and it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0015] Figure 1 : A schematic diagram of the three-dimensional structure of Example 1 of the present invention; Figure 2 : A schematic diagram of the structure of a cross-section of the anti-fall assembly in Example 1 of the present invention; Figure 3 : A schematic diagram of the structure of the anti-fall assembly in Example 1 of the present invention after being decomposed and cut away; Figure 4 :Embodiments of the present invention Figure 1 Schematic diagram of the exploded structure of the control box; Figure 5 : A schematic diagram of the structure of the T-shaped frame and the lifting frame in the embodiment 1 of the present invention; Figure 6 : A schematic diagram of a cross-sectional view of a locking assembly in Embodiment 1 of the present invention; Figure 7 : A schematic diagram of the structure of the slide bar and the pitch adjusting head in Embodiment 1 of the present invention; Figure 8 : A schematic structural diagram of a hook in Example 2 of the present invention.

[0016] Among them, 10, pick-up and delivery assembly; 11, control box; 12, motor; 13, screw rod; 14, bearing bottom plate; 15, slide; 16, moving wheel; 20, lifting assembly; 21, T-shaped frame; 22, lifting frame; 30, anti-fall assembly; 31, hinge; 32, adjustment sleeve frame; 33, adjustment sleeve rod; 34, locking rack; 35, tooth groove; 36, tooth groove; 361, tooth column; 362, tooth; 37, sliding cover groove; 371 , sliding cover; 38, spring piece; 39, pushing block; 40, lifting assembly; 41, adjusting rod; 42, connecting rod; 43, supporting rod; 44, hook frame; 45, lifting rope; 46, distance adjustment slot; 47, sliding rod; 48, distance adjustment head; 50, locking assembly; 51, locking box; 52, ball compartment; 53, ball; 54, limit plate; 55, spring; 56, slot; 60, hook; 61, pie-shaped piece; 62, hook slot; 63, screw. DETAILED DESCRIPTION

[0017] In order to better understand the present invention, the content of the present invention is further clearly described below in conjunction with the embodiments and the accompanying drawings, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are provided to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.

[0018] Example 1: See Figure 1-8 , a trolley circuit breaker lifting inspection platform of the present embodiment includes a pick-up and delivery component 10, which is pushed to move and move the pick-up and delivery component 10 to the front of the trolley circuit breaker to be inspected. The pick-up and delivery component 10 includes a control box 11, and a lifting component 20 is arranged on the control box 11. After adjusting the height of the lifting component 20, the trolley circuit breaker is moved onto the lifting component 20. The pick-up and delivery component 10 also includes a bearing bottom plate 14, and an anti-drop component 30 is arranged between the lifting component 20 and the bearing bottom plate 14. The lifting component 20 is supported by the anti-drop component 30. The top of the control box 11 is adjustable and provided with a lifting component 40, and then the lifting component 20 is started again, and the lifting component 20 drives the trolley circuit breaker to move, and the lifting component 40 is operated. The lifting component 40 lifts the trolley circuit breaker through the hook hole on the trolley circuit breaker, and the lifting component 20 is lowered so that the bottom of the trolley circuit breaker is no longer blocked, and the trolley circuit breaker is inspected and repaired; The lifting assembly 20 includes a T-shaped frame 21, and a slide 15 is fixedly installed in the control box 11. The T-shaped frame 21 is slidably connected to the surface of the slide 15. When the lifting assembly 20 is lifted or lowered, the T-shaped frame 21 slides on the surface of the slide 15 so that the lifting assembly 20 maintains a horizontal state and moves up and down, thereby strengthening support for one side of the lifting assembly 20.

[0019] The lifting assembly 40 includes an adjusting rod 41, which is slidably arranged inside the slide 15. A locking assembly 50 is arranged on the top of the control box 11. The locking assembly 50 is used to lock the adjusting rod 41 and thus adjust the height of the lifting assembly 40. The adjusting rod 41 is pulled to slide inside the slide 15. After adjusting to a suitable height, the adjusting rod is fixed by the locking assembly 50. The slide 15 also supports the lifting assembly 20 and the lifting assembly 40, so that the structure is better utilized.

[0020] See also Figure 2 and Figure 5 A motor 12 is installed inside the control box 11, and a screw rod 13 is connected to the output end of the motor 12. A T-shaped frame 21 is threadedly connected to the screw rod 13. A lifting frame 22 is fixedly installed on the top of the T-shaped frame 21. When the lifting assembly 20 rises, the motor 12 drives the screw rod 13 to rotate. The rotation of the screw rod 13 causes the T-shaped frame 21 and the lifting frame 22 to move. When the lifting frame 22 moves, the hinge 31 causes the adjustment sleeve 32 and the adjustment sleeve rod 33 to tilt and extend.

[0021] See also Figure 3-4 The anti-fall assembly 30 includes hinges 31 respectively installed at the bottom of the lifting assembly 20 and one side of the control box 11. An adjustment sleeve 32 is fixedly connected to one side of the hinge 31 at the bottom of the lifting assembly 20. An adjustment sleeve rod 33 is slidably arranged inside the adjustment sleeve 32. When the lifting frame 22 moves, the adjustment sleeve 32 and the adjustment sleeve rod 33 are tilted and extended through the hinge 31. One end of the adjustment sleeve rod 33 is fixedly installed with the hinge 31 located on one side of the control box 11.

[0022] See also Figure 3-4 The interior of the adjusting sleeve 32 is fixedly connected with a lock rack 34, the interior of the adjusting sleeve rod 33 is provided with a tooth groove 35, the bottom of the tooth groove 35 is provided with a latching tooth groove 36, and the interior of the latching tooth groove 36 is provided with a latching tooth column 361. The adjusting sleeve rod 33 moves in the adjusting sleeve 32, and the latching tooth 362 rotates with the latching tooth column 361 as the center of the circle. The surface of the latching tooth column 361 is provided with a latching tooth 362, and the latching tooth 362 is rotated out of the latching tooth groove 36. After adjusting the position of the lifting assembly 20, one side of the latching tooth 362 abuts against the lock The teeth of the rack 34 fix the adjusting sleeve 32 and the adjusting sleeve rod 33. The latching tooth 362 is used to be hinged with the latching tooth column 361. A spring piece 38 is arranged inside the latching tooth groove 36. One end of the spring piece 38 abuts against the latching tooth 362. Under the elastic force of the spring piece 38, the latching tooth 362 is driven to rotate with the latching tooth column 361 as the center of the circle. When the trolley circuit breaker moves to the lifting frame 22, the lifting frame 22 is supported. At the same time, when the lifting frame 22 moves, the latching tooth 362 moves unidirectionally on the lock rack 34 to prevent the lifting assembly 20 from falling. See also Figure 3-4The locking teeth 362 are then released from the locking teeth 361, and the locking teeth 362 are then released from the locking teeth 361.

[0023] See also Figure 1-2 The pick-up and delivery component 10 includes a moving wheel 16 with a wheel locking function arranged at the control box 11 and the bottom of the bearing base plate 14. When the pick-up and delivery component 10 is moved to the front of the trolley circuit breaker to be tested, the moving wheel 16 is locked to prevent the pick-up and delivery component 10 from moving.

[0024] See also Figure 2 A connecting rod 42 is fixedly installed on the top of the adjusting rod 41, a supporting rod 43 is arranged on one side of the connecting rod 42, a hook frame 44 is arranged at one end of the supporting rod 43, a lifting rope 45 is arranged at the bottom of the hook frame 44, and a hook 60 is fixedly installed at the bottom of the lifting rope 45. By setting the lifting rope 45, the lifting assembly 40 can lift the trolley circuit breaker lifting assembly 20 and still move upward for a distance. The pushing block 39 on the right side of the anti-fall assembly 30 abuts against the sliding cover 371 and drives the sliding cover 371 to move along the sliding cover groove 37.

[0025] See also Figure 5-6 The locking assembly 50 includes a locking box 51 fixedly installed on the top of the control box 11, a pin bin 52 is arranged inside the locking box 51, a pin 53 is slidably arranged inside the pin bin 52, a surface of the pin 53 near the middle is fixedly connected to a limit plate 54, a spring 55 is arranged on one side of the limit plate 54, one end of the spring 55 abuts against the inside of the pin bin 52, a surface of the adjusting rod 41 is provided with a slot 56 matching the locking assembly 50, one end of the pin 53 passes through the locking box 51 and is plugged into the inside of the slot 56, the pin 53 is pulled, the pin 53 drives the limit plate 54 to move, and the spring 55 is compressed to separate the pin 53 from the slot 56, the height of the adjusting rod 41 can be adjusted at this time, after releasing the hand, the pin 53 is reinserted into the new slot 56 and fixed under the reset force of the spring 55.

[0026] See also Figure 7A distance adjusting slot 46 is provided on one side of the connecting rod 42, and a sliding rod 47 is provided inside the distance adjusting slot 46. A distance adjusting head 48 is slidably connected to the sliding rod 47 through the distance adjusting slot 46 on one side of the connecting rod 42. One side of the distance adjusting head 48 is fixedly connected to the support rod 43. By pulling the distance adjusting head 48, the distance between the two groups of support rods 43 can be adjusted, and then the distance between the two groups of hooks 60 can be adjusted, so as to facilitate the lifting rope 45 to keep vertical.

[0027] Beneficial effects: 1. Push the pick-up and delivery assembly 10 to move the pick-up and delivery assembly 10 to the front of the trolley circuit breaker to be tested, adjust the height of the lifting assembly 20 and move the trolley circuit breaker onto the lifting assembly 20, support the lifting assembly 20 through the anti-drop assembly 30, and then continue to start the lifting assembly 20, the lifting assembly 20 drives the trolley circuit breaker to move, operate the lifting assembly 40 to lift the trolley circuit breaker through the hook hole on the trolley circuit breaker, lower the lifting assembly 20, so that the bottom of the trolley circuit breaker is no longer blocked, and the trolley circuit breaker is inspected. During operation, there is no need to tip over or invert the trolley circuit breaker to avoid damage caused by inverted trolley circuit breaker and tipping injury, thereby improving the safety of the trolley circuit breaker during maintenance.

[0028] 2. When the lifting assembly 20 rises, the motor 12 drives the screw rod 13 to rotate. The rotation of the screw rod 13 causes the T-shaped frame 21 and the lifting frame 22 to move. When the lifting frame 22 moves, the hinge 31 causes the adjusting sleeve 32 and the adjusting sleeve rod 33 to tilt and extend. The adjusting sleeve rod 33 moves in the adjusting sleeve 32, and drives the latch tooth 362 to rotate around the latch tooth column 361 as the center under the elastic force of the spring piece 38, and rotates out of the latch tooth groove 36. After the position of the lifting assembly 20 is adjusted, one side of the latch tooth 362 abuts against the tooth of the lock rack 34, so that the adjusting sleeve 32 and the adjusting sleeve rod 33 are fixed, and the lifting frame 22 is supported when the trolley circuit breaker moves onto the lifting frame 22. At the same time, when the lifting frame 22 moves, the latch tooth 362 moves unidirectionally on the lock rack 34 to prevent the lifting assembly 20 from falling.

[0029] 3. When the lifting assembly 40 lifts the trolley circuit breaker, the lifting assembly 20 continues to move upward for a distance, so that the push block 39 on the right side abuts against the sliding cover 371 and drives the sliding cover 371 to move along the sliding cover groove 37, pushing the latch tooth 362 to completely enter the latch tooth groove 36, so that the sliding cover 371 covers the opening of the latch tooth groove 36. At this time, the latch tooth 362 is no longer in contact with the lock rack 34. When the lifting assembly 20 is lowered, the anti-drop assembly 30 can be retracted. When retracting, the push block 39 on the left side abuts against and moves the sliding cover 371, so that the sliding cover 371 leaves the latch tooth groove 361, and the latch tooth 362 pops out. The support and recovery of the anti-drop assembly 30 do not require manual operation, and it is more convenient to use.

[0030] Embodiment 2: A trolley circuit breaker lifting inspection platform, based on the trolley circuit breaker lifting inspection platform of the embodiment, see Figure 7-8 The hook 60 includes a pancake-shaped member 61, a hook groove 62 is provided on the surface of the pancake-shaped member 61, and the bottom surface of the hook groove 62 is arranged in an arc shape. A screw 63 is threadedly connected to one side of the pancake-shaped member 61, and one end of the screw 63 is used to penetrate into the interior of the hook groove 62. The pancake-shaped member 60 is inserted into the hanging hole on the trolley circuit breaker, and then pulled up to make the edge of the hanging hole of the trolley circuit breaker enter the hook groove 62, and the screw 63 is turned to clamp the trolley circuit breaker in the hook groove 62, so that after the hook 60 is hung on the hanging hole, the movement of the lifting assembly 20 will not cause the hook 60 to be separated from the hanging hole, thereby improving the safety of the device.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in the field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A trolley circuit breaker hanging inspection platform, characterized in that: The pick-up and delivery assembly (10) comprises a control box (11), a lifting assembly (20) is arranged on the control box (11), the pick-up and delivery assembly (10) further comprises a bearing bottom plate (14), an anti-fall assembly (30) is arranged between the lifting assembly (20) and the bearing bottom plate (14), and a lifting assembly (40) is adjustably arranged on the top of the control box (11); The lifting assembly (20) includes a T-shaped frame (21), a slide cylinder (15) is fixedly installed in the control box (11), and the T-shaped frame (21) is slidably connected to the surface of the slide cylinder (15). The lifting assembly (40) includes an adjusting rod (41), and the adjusting rod (41) is slidably arranged inside the slide cylinder (15). A locking assembly (50) is arranged on the top of the control box (11), and the locking assembly (50) is used to lock the adjusting rod (41) and thereby adjust the height of the lifting assembly (40).

2. The trolley circuit breaker inspection platform according to claim 1, characterized in that: A motor (12) is installed inside the control box (11); an output end of the motor (12) is connected to a screw rod (13); the T-shaped frame (21) is threadedly connected to the screw rod (13); and a lifting frame (22) is fixedly installed on the top of the T-shaped frame (21).

3. The trolley circuit breaker hanging inspection platform according to claim 1 or 2, characterized in that: The anti-fall assembly (30) comprises hinged parts (31) respectively mounted on the bottom of the lifting assembly (20) and one side of the control box (11); an adjustment sleeve (32) is fixedly connected to one side of the hinged part (31) at the bottom of the lifting assembly (20); an adjustment sleeve rod (33) is slidably arranged inside the adjustment sleeve rod (32); one end of the adjustment sleeve rod (33) is fixedly mounted to the hinged part (31) at one side of the control box (11); The interior of the adjusting sleeve frame (32) is fixedly connected with a locking tooth bar (34); the interior of the adjusting sleeve rod (33) is provided with a tooth groove (35); the bottom of the tooth groove (35) is provided with a latching tooth groove (36); the interior of the latching tooth groove (36) is provided with a latching tooth column (361); the surface of the latching tooth column (361) is rotatably provided with a latching tooth (362); the latching tooth (362) is used for being hinged to the latching tooth column (361); the interior of the latching tooth groove (36) is provided with a spring sheet (38); one end of the spring sheet (38) is in contact with the latching tooth (362); Sliding cover grooves (37) are arranged on both sides of the tooth groove (35); a sliding cover (371) is slidably arranged inside the sliding cover groove (37) for allowing the latching tooth (362) to completely enter the latching tooth groove (36); the sliding cover (371) is slidably arranged above the latching tooth groove (36); and pushing blocks (39) are arranged at both ends of the latching tooth column (361) for pushing the sliding cover (371) to move.

4. The trolley circuit breaker hanging inspection platform according to claim 1, characterized in that: The pick-up and delivery assembly (10) comprises a moving wheel (16) with a wheel locking function, which is arranged at the control box (11) and the bottom of the bearing base plate (14).

5. The trolley circuit breaker hanging inspection platform according to claim 2, characterized in that: A connecting rod (42) is fixedly mounted on the top of the adjusting rod (41), a supporting rod (43) is provided on one side of the connecting rod (42), a hook frame (44) is provided at one end of the supporting rod (43), a hanging rope (45) is provided at the bottom of the hanging rope (44), and a hanging hook (60) is fixedly mounted at the bottom of the hanging rope (45).

6. The trolley circuit breaker hanging inspection platform according to claim 5, characterized in that: The locking assembly (50) comprises a locking box (51) fixedly mounted on the top of the control box (11); a pin chamber (52) is arranged inside the locking box (51); a pin (53) is slidably arranged inside the pin chamber (52); a surface of the pin (53) close to the middle is fixedly connected to a limit plate (54); a spring (55) is arranged on one side of the limit plate (54); one end of the spring (55) abuts against the inside of the pin chamber (52); a slot (56) matching the locking assembly (50) is arranged on the surface of the adjusting rod (41); one end of the pin (53) passes through the locking box (51) and is plugged into the inside of the slot (56).

7. The trolley circuit breaker hanging inspection platform according to claim 5, characterized in that: A distance adjusting slot (46) is provided on one side of the connecting rod (42), a sliding rod (47) is provided inside the distance adjusting slot (46), a distance adjusting head (48) is slidably connected to the sliding rod (47) on one side of the connecting rod (42) via the distance adjusting slot (46), and one side of the distance adjusting head (48) is fixedly connected to the support rod (43).

8. The trolley circuit breaker hanging inspection platform according to claim 5, characterized in that: The hook (60) comprises a pancake-shaped piece (61), a hook groove (62) is provided on the surface of the pancake-shaped piece (61), the bottom surface of the hook groove (62) is arranged in an arc shape, a screw (63) is threadedly connected to one side of the pancake-shaped piece (61), and one end of the screw (63) is used to penetrate into the interior of the hook groove (62).

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