A fall protection device and system

Abstract

The application discloses a kind of anti-falling protection device and protection system, it is related to electric power engineering technical field, anti-falling protection device includes pedestal, card tongue and drive assembly, pedestal includes first lap joint, second lap joint and receiving part;Card tongue is rotatably connected with receiving part;Drive assembly is connected with pedestal, drive assembly drives card tongue to rotate and open and rotates lock;Wherein, first lap joint, second lap joint and cross arm main material of power transmission tower are similar, when using, first lap joint and second lap joint are buckled on cross arm main material, second lap joint is located above the cross arm main material of power transmission tower, drive assembly drives card tongue to rotate and lock to the below of cross arm main material of power transmission tower.Anti-falling protection system includes the anti-falling protection device, protection rope and unmanned aerial vehicle described in the application.The anti-falling protection device and protection system described in the application have the effects of convenient use, reducing the physical exertion of workers, shortening the operation time and improving the protection safety.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric power engineering, in particular to a kind of anti-falling protection device and protection system. BACKGROUND

[0002] Transmission tower is the support point of overhead line, usually high-rise steel frame structure, in order to ensure the normal operation of power grid, personnel often need to climb transmission tower for inspection.

[0003] In the prior art, there are generally two kinds of anti-falling protection systems for climbing transmission tower: one is to use anti-falling double extension rope or double-hook anti-falling device, which is manually lifted to the corresponding position by the worker as the climbing height increases, but this kind of anti-falling tool needs to change the original climbing habit of the worker, which consumes a lot of physical energy and increases the risk of falling when climbing the tower; the second is to install anti-falling ladders or anti-falling rails, but this kind of anti-falling device needs to be installed during power outage, and the rigid anti-falling ladder or anti-falling rail is easy to bend, which may cause jamming at the bending position or joint position, and the worker needs to spend extra effort to repair the anti-falling device, which increases the physical consumption and prolongs the operation time. SUMMARY

[0004] Therefore, the technical problem to be solved by the present application is to overcome the inconvenience of the existing anti-falling system for climbing transmission tower and the increase of physical consumption of workers.

[0005] In a first aspect, to solve the above technical problems, the present application provides an anti-falling protection device, comprising:

[0006] a base, the base comprising a first lap joint part, a second lap joint part and a receiving part, the first lap joint part and the second lap joint part being connected vertically, and the receiving part being connected with the second lap joint part;

[0007] a clamping tongue, the clamping tongue being rotatably connected with the receiving part;

[0008] a driving assembly, the driving assembly being connected with the base, and the driving assembly driving the clamping tongue to rotate and open or rotate and lock;

[0009] wherein the first lap joint part and the second lap joint part are shaped similarly to the cross arm main material of the transmission tower, and in use, the first lap joint part and the second lap joint part are buckled on the cross arm main material of the transmission tower, the second lap joint part is located above the cross arm main material of the transmission tower, and the driving assembly drives the clamping tongue to rotate and lock below the cross arm main material of the transmission tower.

[0010] In an embodiment of the present application, the receiving part is provided with a turning clamping groove, and the clamping tongue is embedded in the turning clamping groove.

[0011] In one embodiment of the present application, the driving assembly comprises a driving source and a first transmission part, wherein the first transmission part comprises:

[0012] a first gear wheel, which is rotationally connected with the second lap part, and the driving source is connected with the first gear wheel;

[0013] a first transmission shaft, which is rotationally arranged on the second lap part, and the first transmission shaft is connected with the first gear wheel and the clamping tongue simultaneously;

[0014] wherein the driving source drives the first gear wheel to rotate, and drives the clamping tongue to rotate through the transmission of the first transmission shaft.

[0015] In one embodiment of the present application, the driving source is an electric push rod or a rotary motor.

[0016] In one embodiment of the present application, the clamping tongue is provided with two parts which are symmetrically distributed along the central axis of the base, and the driving assembly further comprises a second transmission part, wherein the second transmission part comprises a second gear wheel and a second transmission shaft, the second gear wheel is symmetrically arranged with the first gear wheel, and the second gear wheel is engaged with the first gear wheel; the second transmission shaft is symmetrically arranged with the first transmission shaft, and the second transmission shaft is connected with the second gear wheel and the other clamping tongue simultaneously.

[0017] In one embodiment of the present application, the first gear wheel and the second gear wheel are all one quarter of a complete circular gear wheel.

[0018] In one embodiment of the present application, a limiting assembly is further included, wherein the limiting assembly comprises:

[0019] a limiting plate, which is rotationally connected with the receiving part, and a plurality of outward protruding limiting clamping columns are arranged on the limiting plate;

[0020] a third transmission part, which is connected with the limiting plate, and the third transmission part drives the limiting plate to rotate to open or to limit rotation;

[0021] wherein when the clamping tongue is rotationally locked below the cross arm main material of the power transmission tower, the limiting plate is rotationally limited below the cross arm main material of the power transmission tower, and the plurality of limiting clamping columns are pressed on the cross arm main material of the power transmission tower.

[0022] In one embodiment of the present application, the third transmission part comprises:

[0023] a first bevel gear, which is connected with the first transmission shaft;

[0024] a second bevel gear, which is engaged with the first bevel gear;

[0025] A third transmission shaft is rotationally arranged on the receiving portion and connected with the second bevel gear;

[0026] A fourth transmission shaft is arranged in parallel with the third transmission shaft and connected in transmission with the third transmission shaft, and the fourth transmission shaft is connected with the limiting plate;

[0027] When the driving source drives the first transmission shaft to rotate through the first gear, the first transmission shaft drives the limiting plate to rotate and open or rotate and limit through the transmission of the first bevel gear, the second bevel gear, the third transmission shaft and the fourth transmission shaft.

[0028] In a second aspect, to solve the above technical problems, the present application provides a kind of anti-falling protection system, including the anti-falling protection device, protection rope and unmanned aerial vehicle, the first lap joint portion is provided with connecting seat, one end of the protection rope is connected with the connecting seat, and the unmanned aerial vehicle is used to carry the anti-falling protection device and moves to the cross arm main material of the power transmission tower.

[0029] In an embodiment of the present application, a hook is connected to the second lap joint portion, and the hook is connected to the unmanned aerial vehicle.

[0030] The above technical solution of the present application has the following advantages compared with the prior art:

[0031] The anti-falling protection device includes a base, a clamping tongue, and a driving assembly. The base includes a first lap joint portion, a second lap joint portion, and a receiving portion. The first lap joint portion and the second lap joint portion are connected perpendicularly, and the receiving portion is connected to the second lap joint portion. The clamping tongue is rotationally connected to the receiving portion. The driving assembly is connected to the base and drives the clamping tongue to rotate and open or rotate and lock. The first lap joint portion and the second lap joint portion are shaped similarly to the cross arm main material of the power transmission tower. During use, the first lap joint portion and the second lap joint portion are buckled onto the cross arm main material of the power transmission tower. The second lap joint portion is located above the cross arm main material of the power transmission tower, and the driving assembly drives the clamping tongue to rotate and lock below the cross arm main material of the power transmission tower. When installing the anti-falling protection device, the clamping tongue is rotated to open, allowing the anti-falling protection device to be buckled onto the cross arm main material of the power transmission tower. After buckling, the clamping tongue is rotated to lock, and the second lap joint portion and the clamping tongue are located on the upper and lower sides of the cross arm main material, respectively, thereby locking the anti-falling protection device on the power transmission tower. This provides a stable protection foundation for workers climbing the power transmission tower. Once installed, the anti-falling protection device does not need to be repeatedly moved and adjusted, greatly facilitating the use of workers, reducing the physical exertion of workers, shortening the operation time, and improving the safety of protection.

[0032] The anti-falling protection system comprises the anti-falling protection device, the protection rope and the unmanned aerial vehicle, the first lap joint part is provided with a connecting seat, one end of the protection rope is connected with the connecting seat, and the unmanned aerial vehicle is used for carrying the anti-falling protection device to move to the cross arm main material of the power transmission tower. The anti-falling protection system carries the anti-falling protection device connected with the protection rope to the cross arm main material of the power transmission tower through the unmanned aerial vehicle, then the anti-falling protection device is locked on the cross arm main material, the other end of the protection rope is connected with the worker, so that a good anti-falling protection mechanism is achieved, the worker does not need to move the anti-falling protection device when climbing the power transmission tower, physical energy consumption is reduced, normal tower climbing habits do not need to be changed, use is convenient, and operation safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to make the content of the present application more easily understood, the present application will be further described in detail below according to specific embodiments of the present application and in conjunction with the drawings, in which

[0034] Figure 1 is a structure schematic view of the anti-falling protection device in the preferred embodiment of the present application;

[0035] Figure 2 is Figure 1 is a structure schematic view of the anti-falling protection device in the preferred embodiment of the present application;

[0036] Figure 3 is Figure 1 is a structure schematic view of the anti-falling protection device in the preferred embodiment of the present application;

[0037] Figure 4 is a structure schematic view of the anti-falling protection system in the preferred embodiment of the present application.

[0038] The description of the drawing reference signs is as follows: 1, base; 11, first lap joint part; 12, second lap joint part; 13, receiving part; 131, turning clamping groove; 14, connecting seat; 15, hook; 2, clamping tongue; 3, driving assembly; 31, driving source; 32, first transmission part; 321, first gear; 322, first transmission shaft; 33, second transmission part; 331, second gear; 332, second transmission shaft; 4, limiting assembly; 41, limiting plate; 411, limiting clamping column; 42, third transmission part; 421, first bevel gear; 422, second bevel gear; 423, third transmission shaft; 424, fourth transmission shaft; 5, cross arm main material; 6, protection rope. DETAILED DESCRIPTION

[0039] The application will be further described below in conjunction with the drawings and specific embodiments so that those skilled in the art can better understand the application and implement it, but the embodiments are not intended to limit the application.

[0040] Embodiment one

[0041] Referring to Figures 1 to 3 The application discloses a kind of anti-falling protection devices, comprising:

[0042] Base 1, base 1 includes first lap joint 11, second lap joint 12 and receiving part 13, first lap joint 11 and second lap joint 12 are connected vertically, and receiving part 13 is connected with second lap joint 12;

[0043] Claw 2, claw 2 is rotationally connected with receiving part 13;

[0044] Drive assembly 3, drive assembly 3 is connected with base 1, and drive assembly 3 drives claw 2 to rotate and open or rotate and lock;

[0045] Wherein, first lap joint 11 and second lap joint 12 are similar to the cross arm main material 5 of power transmission tower, in use, first lap joint 11 and second lap joint 12 are buckled on the cross arm main material 5 of power transmission tower, second lap joint 12 is located above the cross arm main material 5 of power transmission tower, and drive assembly 3 drives claw 2 to rotate and lock below the cross arm main material 5 of power transmission tower.

[0046] The anti-falling protection device is installed, claw 2 is rotated and opened, so that the anti-falling protection device can be buckled on the cross arm main material 5 of power transmission tower, after buckling, claw 2 is rotated and locked, and second lap joint 12 and claw 2 are located on the upper and lower sides of cross arm main material 5 respectively, so as to lock the anti-falling protection device on the power transmission tower, provide stable protection basis for the staff climbing the power transmission tower, and the anti-falling protection device does not need to be repeatedly moved and adjusted after installation, greatly facilitates the staff to use, reduces the physical consumption of staff, shortens the operation time, and improves the protection safety.

[0047] In the embodiment, preferably, referring to Figure 2 The receiving part 13 is provided with a turning clamping groove 131, and the claw 2 is embedded in the turning clamping groove 131.

[0048] By setting the turning clamping groove 131, the structural strength of the base 1 at the receiving part 13 is enhanced, and the safety and reliability of the anti-falling protection device are improved.

[0049] In the embodiment, specifically, referring to Figure 1 The drive assembly 3 includes a drive source 31 and a first transmission part 32, and the first transmission part 32 includes:

[0050] The first gear 321 is rotationally connected with the second lap joint 12, and the driving source 31 is connected with the first gear 321.

[0051] The first transmission shaft 322 rotationally penetrates the second lap joint 12, and the first transmission shaft 322 is connected with the first gear 321 and the latch 2.

[0052] The driving source 31 drives the first gear 321 to rotate, and drives the latch 2 to rotate through the transmission of the first transmission shaft 322.

[0053] The driving source 31 and the first transmission part 32 are arranged, so that the rotation of the latch 2 is conveniently controlled to be opened or locked, the anti-falling protection device can be automatically locked after being buckled, and the use convenience is further improved.

[0054] In the embodiment, preferably, the driving source 31 is an electric push rod or a rotary motor.

[0055] When the electric push rod is selected as the driving source 31, the two ends of the electric push rod are connected with the second lap joint 12 and the wheel surface of the first gear 321 respectively, the electric push rod drives the first gear 321 to rotate through the extension and contraction of the structure of the electric push rod, and the rotary movement of the latch 2 is realized. The electric push rod has a compact and small structure, and is convenient to install and use. When the rotary motor is selected as the driving source 31, the rotary motor directly drives the first gear 321 to rotate, and can provide a more stable and reliable driving form.

[0056] In the embodiment, preferably, the latch 2 is provided with two pieces which are symmetrically distributed along the central axis of the base 1, the driving assembly 3 further includes a second transmission part 33, the second transmission part 33 includes a second gear 331 and a second transmission shaft 332, the second gear 331 is symmetrically arranged with the first gear 321, and the second gear 331 is engaged with the first gear 321; the second transmission shaft 332 is symmetrically arranged with the first transmission shaft 322, and the second transmission shaft 332 is connected with the second gear 331 and the other latch 2.

[0057] The two latches 2 and the second transmission part 33 are arranged, when the driving source 31 drives the first gear 321 to rotate, the second gear 331 can be driven to rotate at the same time, so that the rotary movement of the two latches 2 is synchronously controlled, the two latches 2 are symmetrically distributed along the central axis of the base 1, the connection strength after the rotation of the latch 2 is further improved, and the reliability of the anti-falling protection device is ensured.

[0058] In the embodiment, preferably, the first gear 321 and the second gear 331 are each one quarter of a complete circular gear.

[0059] In the embodiment, the card tongue 2 performs a rotating motion in a range of 90° to realize opening and locking of the anti-falling protection device. By arranging the first gear 321 and the second gear 331 in the shape of a quarter of a complete gear, the installation space is saved, the anti-falling protection device is more compact and practical, and the cost is reduced.

[0060] In the embodiment, preferably, referring to Figure 2 and Figure 3 The anti-falling protection device further comprises a limiting assembly 4, and the limiting assembly 4 comprises:

[0061] A limiting plate 41 is rotationally connected with the receiving part 13, and a plurality of outward protruding limiting clamping columns 411 are arranged on the limiting plate 41.

[0062] A third transmission part 42 is connected with the limiting plate 41, and the third transmission part 42 drives the limiting plate 41 to rotate to open or rotate to limit.

[0063] When the card tongue 2 is rotationally locked below the cross arm main material 5 of the power transmission tower, the limiting plate 41 is rotationally limited below the cross arm main material 5 of the power transmission tower, and the plurality of limiting clamping columns 411 abut against the cross arm main material 5 of the power transmission tower.

[0064] By arranging the limiting assembly 4, when the card tongue 2 is rotationally locked below the cross arm main material 5 of the power transmission tower, the plurality of limiting clamping columns 411 are also abutted against below the cross arm main material 5, the limiting clamping columns 411 are abutted and connected with the cross arm main material 5, the friction between the anti-falling protection device and the cross arm main material 5 is improved, the anti-falling protection device is prevented from sliding left and right along the length direction of the cross arm main material 5, and the safety and stability of the anti-falling protection device are further ensured. Preferably, the top end of the limiting clamping column 411 is provided in the shape of a triangular or conical sharp head, so that the limiting clamping column 411 can be more stably abutted against the cross arm main material 5.

[0065] In the embodiment, preferably, the third transmission part 42 comprises:

[0066] A first bevel gear 421 is connected with the first transmission shaft 322.

[0067] A second bevel gear 422 is engaged with the first bevel gear 421.

[0068] A third transmission shaft 423 is rotationally arranged on the receiving part 13, and the third transmission shaft 423 is connected with the second bevel gear 422.

[0069] A fourth transmission shaft 424 is arranged in parallel with the third transmission shaft 423 and is in transmission connection with the third transmission shaft 423, preferably, the transmission connection between the fourth transmission shaft 424 and the third transmission shaft 423 can be in the form of a belt transmission or chain transmission structure; the fourth transmission shaft 424 is connected with the limiting plate 41.

[0070] When the driving source 31 drives the first transmission shaft 322 to rotate through the first gear 321, the first transmission shaft 322 drives the limiting plate 41 to rotate and open or rotate and limit through the transmission of the first bevel gear 421, the second bevel gear 422, the third transmission shaft 423 and the fourth transmission shaft 424.

[0071] Through the linkage of the third transmission part 42 and the first transmission part 32, the driving source 31 drives the limiting plate 41 to rotate synchronously while driving the latch 2 to rotate, so that the rotation locking of the latch 2 and the rotation limiting of the limiting plate 41 are synchronously realized, or the rotation opening of the latch 2 and the rotation opening of the limiting plate 41 are synchronously realized, which greatly reduces the installation time of the anti-falling protection device, facilitates use, and effectively improves the reliable stability of protection.

[0072] The implementation principle of the embodiment is that: before use, the two latches 2 are in a mutual away rotation opening state, and the limiting plate 41 is in a vertical rotation opening state, so that the base 1 can be buckled on the cross arm main material 5 of the power transmission tower; after buckling, the driving source 31 drives the two latches 2 to be close to each other through the first transmission part 32 and the second transmission part 33, and the second lapping part 12 and the latch 2 are located on the upper and lower sides of the cross arm main material 5 respectively, so as to ensure that the anti-falling protection device is firmly installed on the power transmission tower and will not fall off; the driving source 31 drives the limiting plate 41 to rotate and abut against one side of the cross arm main material 5 at the same time through the third transmission part 42, so as to enhance the difficulty of left and right sliding of the anti-falling protection device and further improve the reliable stability of the anti-falling protection device.

[0073] Embodiment two

[0074] Referring to Figure 4 The application further provides an anti-falling protection system, which comprises the anti-falling protection device, a protection rope 6 and a unmanned aerial vehicle (not shown in the figure), the first lapping part 11 is provided with a connecting seat 14, one end of the protection rope 6 is connected with the connecting seat 14, and the unmanned aerial vehicle is used for carrying the anti-falling protection device to move to the cross arm main material 5 of the power transmission tower.

[0075] The anti-falling protection system carries the anti-falling protection device connected with the protection rope 6 to the cross arm main material 5 of the power transmission tower by the unmanned aerial vehicle, then the anti-falling protection device is self-locked on the cross arm main material 5, and the other end of the protection rope 6 is connected with the worker, so that a good anti-falling protection mechanism is achieved. When the worker climbs the power transmission tower, the anti-falling protection device does not need to be moved additionally, the physical energy consumption is reduced, the normal tower climbing habit does not need to be changed, use is convenient, and the operation safety is improved.

[0076] In the embodiment, preferably, the second lap joint portion 12 is connected with a hook 15, and the hook 15 is connected with the unmanned aerial vehicle.

[0077] By arranging the hook 15, the detachable connection between the unmanned aerial vehicle and the anti-falling protection device is facilitated, the unmanned aerial vehicle carries the anti-falling protection device, and the convenience and practicality of the anti-falling protection system are further improved.

[0078] Obviously, the above embodiment is only an example for clearly illustrating, and is not a limitation to the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not enumerated, and the changes or variations deduced from them are still within the protection scope of the present application.

Claims

1. A fall arrest protection device, characterized in that, The utility model relates to a transmission tower locking device, including: Base, the base includes first lap joint, second lap joint and the butt joint, the first lap joint and second lap joint are connected vertically, the butt joint is connected with second lap joint; Claw, the claw is rotatably connected with the butt joint; Driving assembly, the driving assembly is connected with the base, and the driving assembly drives the claw to rotate and open or rotate and lock; The driving assembly includes driving source and first transmission part, and the first transmission part includes: First gear, the first gear is rotatably connected with the second lap joint, and the driving source is connected with the first gear; First transmission shaft, the first transmission shaft is rotatably arranged on the second lap joint;The first transmission shaft is connected with the first gear and the claw simultaneously; Wherein, the driving source drives the first gear to rotate, drives the claw to rotate through the transmission of the first transmission shaft; The claw is provided with two pieces which are symmetrically distributed along the central axis of the base, and the driving assembly further includes a second transmission part, the second transmission part includes a second gear and a second transmission shaft, the second gear is symmetrically arranged with the first gear, and the second gear is engaged with the first gear;The second transmission shaft is symmetrically arranged with the first transmission shaft, and the second transmission shaft is connected with the second gear and the other claw simultaneously; Wherein, the first lap joint and the second lap joint are similar to the cross arm main material of the power transmission tower, and in use, the first lap joint and the second lap joint are buckled on the cross arm main material of the power transmission tower, the second lap joint is located above the cross arm main material of the power transmission tower, and the driving assembly drives the claw to rotate and lock below the cross arm main material of the power transmission tower Further including a limiting assembly, the limiting assembly includes: Limiting plate, the limiting plate is rotatably connected with the butt joint, and a plurality of outward protruding limiting clamping columns are arranged on the limiting plate; Third transmission part, the third transmission part is connected with the limiting plate, and the third transmission part drives the limiting plate to rotate and open or rotate and limit; Wherein, when the claw is rotated and locked below the cross arm main material of the power transmission tower, the limiting plate is rotated and limited below the cross arm main material of the power transmission tower, and a plurality of limiting clamping columns are pressed on the cross arm main material of the power transmission tower.

2. The fall protection device of claim 1, wherein: The butt joint is provided with a turning clamping groove, and the claw is embedded in the turning clamping groove.

3. The fall protection device of claim 1, wherein: The driving source is an electric push rod or a rotary motor.

4. The fall protection device of claim 1, wherein: The first gear and the second gear are all one quarter of a complete circular gear.

5. The fall protection device of claim 1, wherein: The third transmission part includes: First bevel gear, the first bevel gear is connected with the first transmission shaft; Second bevel gear, the second bevel gear is engaged with the first bevel gear; Third transmission shaft, the third transmission shaft is rotatably arranged on the butt joint, and the third transmission shaft is connected with the second bevel gear; Fourth transmission shaft, the fourth transmission shaft is arranged in parallel with the third transmission shaft, and the fourth transmission shaft is drivingly connected with the third transmission shaft, and the fourth transmission shaft is connected with the limiting plate; The driving source drives the first transmission shaft to rotate through the first gear, and the first transmission shaft drives the limiting plate to rotate and open or rotate and limit through the transmission of the first bevel gear, the second bevel gear, the third transmission shaft and the fourth transmission shaft.

6. A fall protection system comprising: The anti-falling protection device, the protection rope and the unmanned aerial vehicle, the first lap joint is provided with a connecting seat, one end of the protection rope is connected with the connecting seat, and the unmanned aerial vehicle is used to carry the anti-falling protection device to move to the cross arm main material of the power transmission tower.

7. The fall protection system of claim 6, wherein: The second lap joint is connected with a hook, and the hook is connected with the unmanned aerial vehicle.

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