Safety anti-falling device for high-altitude inspection equipment

Abstract

The invention relates to the technical field of safety protection of high-altitude inspection equipment, in particular to a safety anti-falling device for high-altitude inspection equipment, which comprises an inspection mechanism and an anti-falling mechanism, the inspection mechanism comprises a front wheel and a rear wheel which are matched with a cable, and the lower ends of the front wheel and the rear wheel are hinged to hinge shafts on the inspection mechanism; the front wheels and the rear wheels are arranged on the top of the inspection mechanism front and back, the front wheels can be driven to walk on the cable, the rear wheels and the cable can be in a locked state, an inspection camera is further arranged on the outer side of the inspection mechanism, a third pulley is arranged at the upper end of the anti-falling mechanism and matched with the cable, and a safety rope is arranged at the lower end of the anti-falling mechanism. Front buffer mechanisms are symmetrically arranged on the two sides of the lower ends of the outer sides of the front wheels; the device has the advantages of being easy to mount and dismount, high in flexibility, stable and reliable, meanwhile, the high-altitude inspection equipment can be prevented from falling when moving on a cable, and the safety and operation efficiency of high-altitude operation can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of safety protection of high-altitude inspection equipment, and in particular to a safety anti-falling device for high-altitude inspection equipment. Background Art

[0002] With the development of the electric power industry, high-voltage lines are widely laid. In the wild, they are usually damaged by various natural factors. In order to ensure stable and safe power supply, it is necessary to inspect the high-voltage transmission lines and supporting equipment at regular intervals to detect potential faults in power supply equipment and wires in advance.

[0003] At present, the existing high-altitude inspection equipment has the problems of low safety factor and poor inspection efficiency. The high-altitude inspection equipment rolls on the top of more than two cables to realize continuous data collection; however, there are many problems with traditional inspection equipment. It is arranged above the transmission cable as a whole, and the overall stability is poor. Under the action of high-altitude wind, the equipment shakes and falls, posing a safety hazard, making it difficult to inspect and collect cables at high altitude; in addition, the traditional inspection equipment needs to walk on more than two transmission cables, and it is easily obstructed by the transmission line bundle during its walking process. It has few applicable scenarios and cannot meet the needs of circuit equipment data collection.

[0004] To this end, in response to the above problems, we propose a safety anti-fall device for high-altitude inspection equipment. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a safety anti-falling device for high-altitude inspection equipment to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a safety anti-falling device for high-altitude inspection equipment, which includes an inspection mechanism and an anti-falling mechanism, and the upper ends of the inspection mechanism and the anti-falling mechanism are both provided with cables. The inspection mechanism includes a front wheel and a rear wheel that cooperate with the cables, and the lower ends of the front wheel and the rear wheel are hinged with hinge shafts on the inspection mechanism. The front wheel and the rear wheel are arranged front and back on the top of the inspection mechanism, and the front wheel can be driven to walk on the cable, and the rear wheel can be in a locked state with the cable. An inspection camera is also provided on the outside of the inspection mechanism, and a third pulley is provided on the upper end of the anti-falling mechanism, and the third pulley cooperates with the cable. A safety rope is provided at the lower end of the anti-falling mechanism, and the safety rope is connected to the rear side of the inspection mechanism.

[0007] Preferably, the front wheel is movably arranged at the front end of the inspection mechanism through a hinge shaft, front buffer mechanisms are symmetrically arranged on both sides of the lower end of the outer side of the front wheel, a second limit plate is arranged on the inner side of the front wheel, limit columns are symmetrically arranged on both sides of the second limit plate, a limit spring and a second limit plate are arranged on the limit column, a second lifting rack is arranged in the middle of the second limit plate, and a second knob is arranged in the middle of the second lifting rack.

[0008] Preferably, an arc plate is provided on the upper end of the second limiting plate, a positioning block is provided on one end of the arc plate on the outer side of the front wheel, a cable groove is also provided on the upper end of the front wheel, and a first pulley is provided on the inner upper end of the cable groove.

[0009] Preferably, axles are connected to both sides of the first pulley, a fourth pulley is provided on the other side of the axle, and the axle can be removed from the front wheel.

[0010] Preferably, a front fixing plate is provided at the lower end of the front buffer mechanism, and the front fixing plate is arranged below the front end of the inspection mechanism. The front buffer mechanism includes a buffer rod arranged inside and a first buffer spring arranged on the buffer rod.

[0011] Preferably, the upper end of the buffer rod is arranged on both sides of the front wheel through bolts, and the front wheel is also provided with a driving mechanism on the side of the first pulley, and a gear set is arranged inside the driving mechanism, and the gear set is composed of three meshing gears, the lower end gear is connected to the motor, and the upper end gear is arranged on a transmission shaft connected to the wheel axle on one side of the first pulley.

[0012] Preferably, the motor is connected to a main control module, and the main control module is arranged inside the inspection mechanism. The main control module is also connected to a battery, a collection module and a communication module inside the inspection mechanism respectively. The collection module is connected to a patrol camera outside the inspection mechanism. The communication module is a wireless signal transceiver for data transmission and wireless control.

[0013] Preferably, the rear wheel is movably arranged at the rear end of the inspection mechanism through a hinge axis, and the lower end of the rear wheel is provided with a second limit plate and cable groove which are the same as the front wheel, and a second pulley is provided at the upper end of the inner side of the cable groove of the rear wheel, and a positioning piece for locking the cable is provided at the upper end of the second pulley, and the second pulley is symmetrically provided with a detachable wheel axle and a fourth pulley which are the same as the front wheel on both sides, and a rear fixing plate is provided at the lower end of the rear side of the inspection mechanism, and the inspection mechanism can be located on the surface of a single cable and move continuously through the first pulley and the second pulley, and the inspection mechanism is realized during the cable driving process through the front wheel.

[0014] Preferably, a rear buffer mechanism is arranged between the rear fixed plate and the rear wheel, a buffer spring is arranged on the inner side of the rear buffer mechanism, both sides of the front end of the rear fixed plate are connected to the anti-fall mechanism through the safety rope, a fixing block is also arranged at the lower end of the anti-fall mechanism, the safety rope is connected to a buffer plate on the inner side of the anti-fall mechanism, a second buffer spring is arranged on the upper end of the buffer plate, and a first limiting plate is arranged on one side of the third pulley at the upper end of the anti-fall mechanism.

[0015] Preferably, the first limit plate includes a first lifting rack arranged on both sides in the middle, the middle gear of the first lifting rack is connected to the first knob, the first knob is arranged on one side of the surface of the anti-fall mechanism, and the upper end of the first limit plate is also provided with a positioning groove and a limiting bolt close to one side of the third pulley bearing, and the limiting bolt is arranged on the first limit plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: when the inspection mechanism of the present invention is inspected at high altitude, the front wheel and the rear wheel are set on the cable through the first pulley, the second pulley and the fourth pulley, and the inspection mechanism is driven by the front wheel, so that it is suitable for inspection work on a single or multiple cables, so that it meets the needs of cable detection in most environments, and through the second limit plate provided on both the front wheel and the rear wheel, the cable groove is closed by rotating the second knob, so that the cable is set in the cable groove, and at the same time, the buffer mechanism of the front and rear wheels on the inspection mechanism and the anti-fall mechanism provided on the rear side of the inspection mechanism cooperate with each other, which is conducive to effectively preventing the inspection mechanism from falling when moving on the cable, and the front buffer mechanism and the rear buffer mechanism provided on the front and rear wheels are used to reduce the shock of the inspection mechanism, which is conducive to making the inspection mechanism more stable and reliable for high-altitude inspection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the structure of the high-altitude inspection device of the present invention; Figure 4 It is a schematic structural diagram of the safety anti-falling device of the present invention; Figure 5 It is a schematic diagram of the structure of the limiting plate of the present invention; Figure 6 It is a schematic diagram of the internal structure of the front wheel of the present invention; Figure 7 It is a schematic diagram of the internal structure of the rear wheel of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at A in the middle.

[0018] Notes in the figure: 1. Inspection mechanism; 2. Front wheel; 3. Inspection camera; 4. Rear wheel; 5. Safety rope; 6. Anti-fall mechanism; 7. Main control module; 8. Storage battery; 9. Collection module; 10. Communication module; 11. Front fixing plate; 12. Front buffer mechanism; 13. First buffer spring; 14. Buffer rod; 15. Driving mechanism; 16. First pulley; 17. Gear set; 18. Hinge shaft; 19. Second pulley; 20. Positioning member; 21. Rear fixing plate; 22. Fixed block; 23. Buffer plate; 24. Second buffer spring; 25. Third pulley; 26. Rear buffer mechanism; 27. First limit plate; 28. First knob; 29. ​​First lifting rack; 30. Positioning groove; 31. Limit bolt; 32. Second limit plate; 33. Limit spring; 34. Limit column; 35. Second lifting rack; 36. Second knob; 37. Positioning block; 38. Arc plate; 39. Cable groove; 40. Wheel axle; 41. Fourth pulley; 42. Motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0020] like Figure 1-2 As shown, the present embodiment discloses a safety anti-falling device for high-altitude inspection equipment, which includes an inspection mechanism 1 and an anti-falling mechanism 6. The inspection mechanism 1 includes a front wheel 2 and a rear wheel 4 that cooperate with the cable. The lower ends of the front wheel 2 and the rear wheel 4 are hingedly provided with a hinge shaft 18 on the inspection mechanism 1. The front wheel 2 and the rear wheel 4 are arranged front and back on the top of the inspection mechanism 1, and the front wheel 2 can be driven to walk on the cable, and the rear wheel 4 can be in a locked state with the cable. An inspection camera 3 is also provided on the outside of the inspection mechanism 1. A third pulley 25 is provided on the upper end of the anti-falling mechanism 6, and the third pulley 25 cooperates with the cable. A safety rope 5 is provided at the lower end of the anti-falling mechanism 6, and the safety rope 5 is connected to the rear side of the inspection mechanism 1. Among them, the front wheel 2 is movably arranged at the front end of the inspection mechanism 1 through the hinge shaft 18, the front buffer mechanism 12 is symmetrically arranged on both sides of the lower end of the outer side of the front wheel 2, the second limit plate 32 is arranged on the inner side of the front wheel 2, and the limit columns 34 are symmetrically arranged on both sides of the second limit plate 32. The limit spring 33 and the second limit plate 32 are arranged on the limit column 34. A second lifting rack 35 is arranged in the middle of the second limit plate 32, and a second knob 36 is arranged in the middle of the second lifting rack 35. An arc plate 38 is arranged on the upper end of the second limit plate 32, and a positioning block 37 is arranged at one end of the arc plate 38 on the outer side of the front wheel 2. A cable groove 39 is also arranged on the upper end of the front wheel 2, and a cable groove 39 is arranged on the inner upper end of the cable groove 39. A first pulley 16 is provided, a front fixing plate 11 is provided at the lower end of the front buffer mechanism 12, the front fixing plate 11 is provided below the front end of the inspection mechanism 1, the front buffer mechanism 12 includes a buffer rod 14 provided inside and a first buffer spring 13 provided on the buffer rod 14, the upper end of the buffer rod 14 is provided on both sides of the front wheel 2 by bolts, the front wheel 2 is also provided with a driving mechanism 15 on one side of the first pulley 16, a gear set 17 is provided inside the driving mechanism 15, the gear set 17 is composed of three gears meshing, the lower end gear is connected to the motor 42, and the upper end gear is provided on the transmission shaft connected to the wheel axle 40 on one side of the first pulley 16, which is conducive to stable movement on the cable; At the same time, the motor 42 is connected to the main control module 7, and the main control module 7 is arranged inside the inspection mechanism 1. The main control module 7 is also connected to the battery 8, the acquisition module 9 and the communication module 10 inside the inspection mechanism 1. The acquisition module 9 is connected to the inspection camera 3 outside the inspection mechanism 1. The communication module 10 is a wireless signal transceiver for data transmission and wireless control, and provides the required electrical energy for the inspection mechanism 1 through the battery 8, so that it can complete the driving and walking on the cable through the motor 42.

[0021] In this embodiment, the inspection camera 3 is provided on the inspection mechanism 1, so that it follows the inspection mechanism 1 to inspect the cables, which is conducive to realizing real-time video communication, and the inspection cameras 3 on both sides and the upper end of the inspection mechanism 1 can perform multi-angle inspection and shooting of the cables, and can accurately detect problems such as rust, broken strands, damage, etc. on the cables, and the inspection data of the inspection camera 3 is stored through the communication module 10 to provide convenience for the inspection. At the same time, the communication module 10 can also be used to control the inspection mechanism 1 on the cables in autonomous and remote control dual working modes, which is conducive to more convenient high-altitude inspection work. Example

[0022] like Figure 1-8As shown, the present embodiment discloses a safety anti-falling device for high-altitude inspection equipment, which includes an inspection mechanism 1 and an anti-falling mechanism 6. The inspection mechanism 1 includes a front wheel 2 and a rear wheel 4 that cooperate with the cable. The lower ends of the front wheel 2 and the rear wheel 4 are hingedly provided with a hinge shaft 18 on the inspection mechanism 1. The front wheel 2 and the rear wheel 4 are arranged front and back on the top of the inspection mechanism 1, and the front wheel 2 can be driven to walk on the cable, and the rear wheel 4 can be in a locked state with the cable. An inspection camera 3 is also provided on the outside of the inspection mechanism 1. A third pulley 25 is provided on the upper end of the anti-falling mechanism 6, and the third pulley 25 cooperates with the cable. A safety rope 5 is provided at the lower end of the anti-falling mechanism 6, and the safety rope 5 is connected to the rear side of the inspection mechanism 1. Specifically, the front wheel 2 is movably arranged at the front end of the inspection mechanism 1 through the hinge shaft 18, the front buffer mechanism 12 is symmetrically arranged on both sides of the lower end of the outer side of the front wheel 2, the second limit plate 32 is arranged on the inner side of the front wheel 2, the limit column 34 is symmetrically arranged on both sides of the second limit plate 32, the limit spring 33 and the second limit plate 32 are arranged on the limit column 34, the second limit plate 32 is arranged in the middle of the second limit plate 32, the second lifting rack 35 is arranged in the middle of the second lifting rack 35, the arc plate 38 is arranged on the upper end of the second limit plate 32, and the arc plate 38 A positioning block 37 is provided at one end on the outside of the front wheel 2, and a cable groove 39 is also provided at the upper end of the front wheel 2. A first pulley 16 is provided at the upper end of the inner side of the cable groove 39. Wheel axles 40 are connected to both sides of the first pulley 16. A fourth pulley 41 is provided on the other side of the wheel axle 40. The wheel axle 40 can be disassembled from the front wheel 2, which is conducive to rotating the second knob 36 provided on the second limiting plate 32, so that it drives the second limiting plate 32 inside the front wheel 2 to move upward, so that the positioning block 37 is clamped at the lower end opening of the cable groove 39 to limit the cable; Specifically, a front fixing plate 11 is provided at the lower end of the front buffer mechanism 12, and the front fixing plate 11 is provided below the front end of the inspection mechanism 1. The front buffer mechanism 12 includes a buffer rod 14 provided inside and a first buffer spring 13 provided on the buffer rod 14. The upper end of the buffer rod 14 is provided on both sides of the front wheel 2 by bolts. The front wheel 2 is also provided with a driving mechanism 15 on one side of the first pulley 16. A gear set 17 is provided inside the driving mechanism 15. The gear set 17 is composed of three gears meshing. The lower end gear is connected to a motor 42, and the upper end gear is provided on a transmission shaft connected to the wheel axle 40 on one side of the first pulley 16, which is conducive to threading the fourth pulley 41 on both sides of the front wheel 2, and connecting with the first pulley 16 through the wheel axle 40, so that the pulleys are synchronously driven on the cable to achieve movement on the cable; Specifically, the motor 42 is connected to the main control module 7, which is arranged inside the inspection mechanism 1. The main control module 7 is also connected to a battery 8, a collection module 9 and a communication module 10 inside the inspection mechanism 1. The collection module 9 is connected to the inspection camera 3 outside the inspection mechanism 1. The communication module 10 is a wireless signal transceiver for data transmission and wireless control, which is conducive to following the inspection mechanism 1 to inspect the high-altitude cables; Specifically, the rear wheel 4 is movably arranged at the rear end of the inspection mechanism 1 through a hinge shaft 18, and a second limiting plate 32 and a cable groove 39 which are the same as those of the front wheel 2 are arranged at the lower end of the rear wheel 4, and a second pulley 19 is arranged at the upper end of the inner side of the cable groove 39 of the rear wheel 4, and a positioning member 20 for locking the cable is arranged at the upper end of the second pulley 19, and a detachable wheel axle 40 and a fourth pulley 41 which are the same as those of the front wheel 2 are symmetrically arranged on both sides of the second pulley 19, and a rear fixing plate 21 is arranged at the lower end of the rear side of the inspection mechanism 1, and the inspection mechanism 1 can be located on the surface of a single cable and move continuously through the first pulley 16 and the second pulley 19, and the inspection mechanism 1 is driven in the cable process through the front wheel 2, which is conducive to the device being applicable to inspection work on a single or multiple cables, so that it meets the needs of cable detection in most environments; Specifically, a rear buffer mechanism 26 is provided between the rear fixed plate 21 and the rear wheel 4, a buffer spring is provided inside the rear buffer mechanism 26, both sides of the front end of the rear fixed plate 21 are connected to the anti-fall mechanism 6 through a safety rope 5, a fixing block 22 is further provided at the lower end of the anti-fall mechanism 6, the safety rope 5 is connected to a buffer plate 23 on the inner side of the anti-fall mechanism 6, a second buffer spring 24 is provided at the upper end of the buffer plate 23, a first limiting plate 27 is provided on one side of the third pulley 25 at the upper end of the anti-fall mechanism 6, the first limiting plate 27 includes first lifting racks 29 provided on both sides of the middle, and the first lifting racks 29 are provided on both sides of the middle. The rack 29 is connected to the middle gear with the first knob 28, and the first knob 28 is provided with a surface side of the anti-fall mechanism 6. The upper end of the first limiting plate 27 is also provided with a positioning groove 30 and a limiting bolt 31 close to the bearing side of the third pulley 25. The limiting bolt 31 is arranged on the first limiting plate 27, which is conducive to the anti-fall mechanism 6 following the inspection mechanism 1 to move on the cable, so that it can prevent the inspection mechanism 1 from falling. Even if the inspection mechanism 1 falls accidentally, it can effectively prevent the inspection mechanism 1 from falling directly to the ground, thereby ensuring the safety of the inspection mechanism 1 when in use.

[0023] Working principle: When the inspection mechanism 1 is used, first, the front wheels 2 and the rear wheels 4 on the front and rear sides of the upper end of the inspection mechanism 1 are used to embed the cables through the cable grooves 39 provided on the front wheels 2 and the rear wheels 4, and at the same time, the set cables are limited by the second limiting plate 32, so that the inspection mechanism 1 can be more stably and reliably set on the cables, and at the same time, the safety rope 5 is fixedly set on the rear side of the inspection mechanism 1 through the rear fixing plate 21, so that the anti-fall mechanism 6 is set through the safety rope 5, so that the anti-fall protection of the inspection mechanism 1 is further realized, and the inspection cameras 3 arranged on both sides and the top of the inspection mechanism 1 are used to perform multi-angle inspection and shooting of the cables, and at the same time, it can accurately detect problems such as rust, broken strands, damage, etc. on the cables, and transmit data through the communication module 10, so that it can be processed in time.

[0024] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A safety anti-falling device for high-altitude inspection equipment, characterized in that: include: An inspection mechanism (1), the inspection mechanism (1) comprising a front wheel (2) and a rear wheel (4) cooperating with the cable, the lower ends of the front wheel (2) and the rear wheel (4) being hingedly provided with a hinge shaft (18) on the inspection mechanism (1), the front wheel (2) and the rear wheel (4) being arranged front and rear on the top of the inspection mechanism (1), and the front wheel (2) being capable of driving and walking on the cable, and the rear wheel (4) being capable of being in a locked state with the cable, and an inspection camera (3) being further provided on the outside of the inspection mechanism (1); An anti-fall mechanism (6), wherein a third pulley (25) is disposed at the upper end of the anti-fall mechanism (6), the third pulley (25) cooperates with a cable, and a safety rope (5) is disposed at the lower end of the anti-fall mechanism (6), the safety rope (5) being connected to the rear side of the inspection mechanism (1).

2. A safety anti-falling device for high-altitude inspection equipment according to claim 1, characterized in that: The front wheel (2) is movably arranged at the front end of the inspection mechanism (1) via a hinge shaft (18); front buffer mechanisms (12) are symmetrically arranged on both sides of the lower end of the outer side of the front wheel (2); a second limit plate (32) is arranged on the inner side of the front wheel (2); limit columns (34) are symmetrically arranged on both sides of the second limit plate (32); a limit spring (33) and a second limit plate (32) are arranged on the limit column (34); a second lifting rack (35) is arranged in the middle of the second limit plate (32); and a second knob (36) is arranged in the middle of the second lifting rack (35).

3. A safety anti-falling device for high-altitude inspection equipment according to claim 2, characterized in that: An arc-shaped plate (38) is provided at the upper end of the second limiting plate (32), a positioning block (37) is provided at one end of the arc-shaped plate (38) on the outer side of the front wheel (2), a cable groove (39) is also provided at the upper end of the front wheel (2), and a first pulley (16) is provided at the inner upper end of the cable groove (39).

4. A safety anti-falling device for high-altitude inspection equipment according to claim 3, characterized in that: Wheel axles (40) are connected to both sides of the first pulley (16), a fourth pulley (41) is provided on the other side of the wheel axle (40), and the wheel axle (40) can be removed from the front wheel (2).

5. The safety anti-falling device for high-altitude inspection equipment according to claim 2 is characterized in that: A front fixing plate (11) is provided at the lower end of the front buffer mechanism (12), and the front fixing plate (11) is arranged below the front end of the inspection mechanism (1). The front buffer mechanism (12) comprises a buffer rod (14) arranged inside and a first buffer spring (13) arranged on the buffer rod (14).

6. A safety anti-falling device for high-altitude inspection equipment according to claim 5, characterized in that: The upper end of the buffer rod (14) is bolted to both sides of the front wheel (2); the front wheel (2) is further provided with a driving mechanism (15) on one side of the first pulley (16); a gear set (17) is provided inside the driving mechanism (15); the gear set (17) is composed of three meshing gears; the lower end gear is connected to a motor (42); and the upper end gear is provided on a transmission shaft connected to the wheel axle (40) on one side of the first pulley (16).

7. A safety anti-falling device for high-altitude inspection equipment according to claim 6, characterized in that: The motor (42) is connected to a main control module (7), and the main control module (7) is arranged inside the inspection mechanism (1). The main control module (7) is also connected to a battery (8), a collection module (9) and a communication module (10) inside the inspection mechanism (1), respectively, and the collection module (9) is connected to an inspection camera (3) outside the inspection mechanism (1).

8. The safety anti-falling device for high-altitude inspection equipment according to claim 1 is characterized in that: The rear wheel (4) is movably arranged at the rear end of the inspection mechanism (1) via a hinge shaft (18); a second limiting plate (32) and a cable groove (39) identical to those of the front wheel (2) are arranged at the lower end of the rear wheel (4); a second pulley (19) is arranged at the upper end of the inner side of the cable groove (39) of the rear wheel (4); a positioning member (20) for locking the cable is arranged at the upper end of the second pulley (19); a detachable wheel axle (40) and a fourth pulley (41) identical to those of the front wheel (2) are symmetrically arranged on both sides of the second pulley (19); and a rear fixing plate (21) is arranged at the lower end of the rear side of the inspection mechanism (1).

9. A safety anti-falling device for high-altitude inspection equipment according to claim 8, characterized in that: A rear buffer mechanism (26) is provided between the rear fixing plate (21) and the rear wheel (4), a buffer spring is provided inside the rear buffer mechanism (26), both sides of the front end of the rear fixing plate (21) are connected to the anti-fall mechanism (6) through the safety rope (5), a fixing block (22) is further provided at the lower end of the anti-fall mechanism (6), the safety rope (5) is connected to a buffer plate (23) inside the anti-fall mechanism (6), a second buffer spring (24) is provided at the upper end of the buffer plate (23), and a first limit plate (27) is provided on one side of the third pulley (25) at the upper end of the anti-fall mechanism (6).

10. A safety anti-falling device for high-altitude inspection equipment according to claim 9, characterized in that: The first limiting plate (27) includes first lifting racks (29) arranged on both sides of the middle, the middle gear of the first lifting rack (29) is connected to a first knob (28), and the first knob (28) is arranged on one side of the surface of the anti-fall mechanism (6). The upper end of the first limiting plate (27) is also provided with a positioning groove (30) and a limiting bolt (31) close to one side of the bearing of the third pulley (25), and the limiting bolt (31) is bolted on the first limiting plate (27).

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