A tower anti-falling device turner

Abstract

The application relates to a diverter for an iron tower anti-falling device, which comprises a fixed plate, a steering disc rotatably connected to the fixed plate, four clamping blocks connected to the fixed plate, and a steering block fixed to the center position of the steering disc, the four clamping blocks are circularly distributed in a ring shape with the axis of the steering disc as the center, at least one rotary self-locking assembly is fixed to the steering disc, a displacement groove for 90-degree rotation of the rotary self-locking assembly is arranged on the fixed plate, limiting plates for limiting the rotary self-locking assembly are arranged at the two ends of the displacement groove, a handle is arranged at the upper end of the rotary self-locking assembly, the handle can be hung on a hanging plate, the hanging plate is arranged on the anti-falling device to limit the displacement of the anti-falling device, when the handle is hung on the hanging plate by moving upwards, the limiting plates no longer limit the rotary self-locking assembly; the application has the advantages of steering self-locking.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of high-altitude anti-falling device, and particularly relates to a diverter for a tower anti-falling device. BACKGROUND

[0002] In the industries of telecommunication, petroleum, chemical industry, power system and the like applying power transmission and transformation, workers need to work at high altitudes, and in order to protect the life safety of the workers, reliable safety protection devices for anti-falling must be provided. In high-altitude work, a track is usually arranged on a tower, and a worker clamps an anti-falling device on the track, thereby ensuring the safety of the worker working at high altitude, and when the anti-falling device needs to be replaced to another track, a diverter is needed to change the direction.

[0003] In the prior art, the diverter is arranged at the intersection of guide rails and is fixed to the tower by bolts and the like, and the rotation angle of the diverter needs to be determined according to the number of the intersecting guide rails, such as ninety degrees or other angles, but the diverter in the prior art cannot be self-locked after rotation, so that the worker is prone to angle deviation when using the diverter, thereby being inconvenient to use. SUMMARY

[0004] The present application aims at overcoming the shortcomings of the prior art and providing a diverter for a tower anti-falling device with a self-locking function.

[0005] The technical scheme of the present application is as follows:

[0006] The present application discloses a diverter for a tower anti-falling device, which comprises a fixed plate, a rotating disc rotatably connected to the fixed plate, four clamping blocks connected to the fixed plate, and a diverter block fixed to the center of the rotating disc, wherein the four clamping blocks are circularly distributed around the axis of the rotating disc, at least one self-locking assembly is fixed to the rotating disc, a displacement groove is formed in the fixed plate for ninety-degree rotation of the self-locking assembly, limiting plates are arranged at both ends of the displacement groove for limiting the self-locking assembly, a handle is arranged at the upper end of the self-locking assembly, the handle can be hung on a hanging plate arranged on the anti-falling device to limit the displacement of the anti-falling device, and when the handle is hung on the hanging plate, the limiting plates no longer limit the self-locking assembly.

[0007] A protection plate is arranged below the fixed plate and fixed to the clamping blocks, an arc groove is formed in the protection plate corresponding to the displacement groove, arc-shaped protrusions are arranged above both arc-shaped sides of the arc groove, and a pull-down groove is formed in the opposite side of each arc-shaped protrusion. When the self-locking assembly is displaced along the displacement groove, the bottom of the self-locking assembly is located in the arc groove and the pull-down groove, and in the displacement process, the self-locking assembly is connected to the outside, so that when the self-locking assembly is displaced to the other end of the displacement groove, the limiting plates can limit the self-locking assembly and the self-locking assembly is not connected to the outside.

[0008] Further, the rotating self-locking assembly comprises an outer cylinder fixed on the steering disc, an intermediate cylinder inserted into the outer cylinder, and a pressurizing assembly arranged in the intermediate cylinder; the bottom of the outer cylinder is fixed with a bottom plate, both ends of the bottom plate are provided with insertion plates arranged in parallel on the side surface, and the two insertion plates are elastically connected and can be inserted into the limiting plate;

[0009] The intermediate cylinder is elastically connected to the outer cylinder to push the intermediate cylinder downward, the bottom of the intermediate cylinder is provided with an exhaust control assembly in communication with the pressurizing assembly, the handle is arranged on the pressurizing assembly, the exhaust control assembly can be displaced into the arc groove and slidably connected with the pull-down groove when the handle is hung on the hanging plate, and the exhaust control assembly is gradually opened and closed with the displacement of the outer cylinder;

[0010] The bottom end of the intermediate cylinder is provided with an inclined groove, the insertion plate is located in the inclined groove and in contact with the inclined side surface of the inclined groove, and the insertion plate is gradually contracted and separated from the limiting plate when the inclined groove moves upward;

[0011] The outer cylinder is provided with a limiting assembly for limiting the upward movement of the intermediate cylinder, and the pressurizing assembly can push the limiting assembly to no longer limit the intermediate cylinder.

[0012] Further, the pressurizing assembly comprises a piston sealingly inserted into the inner wall of the intermediate cylinder, a connecting rod connected with the piston, and a connecting disc connected with the connecting rod; the piston is elastically connected to the intermediate cylinder, and the piston is one-way sealed to enable elastic reset of the piston.

[0013] The bottom end of the intermediate cylinder is provided with a pressurizing cavity, the pressurizing cavity and the inner bottom wall of the intermediate cylinder are in communication with the exhaust control assembly, a unlocking rod is sealingly connected in the pressurizing cavity, a sealing sleeve is sealingly fixed on the upper side of the inner portion of the intermediate cylinder, the sealing sleeve is in sealing contact with the connecting rod, and a circular protrusion is arranged at the lower end of the sealing sleeve; the intermediate cylinder is provided with a communication channel in communication with the pressurizing cavity, the communication channel communicates with the inner wall of the intermediate cylinder on one side of the circular protrusion, and the unlocking rod can push the limiting assembly to no longer limit the intermediate cylinder when the piston moves upward.

[0014] Further, two sealing plates are arranged in the pressurizing cavity, the sealing plates are connected with the unlocking rod, and baffles are arranged on both sides of the communication between the pressurizing cavity and the communication channel.

[0015] Further, a one-way valve is sealingly fixed on the piston.

[0016] Further, a limiting groove is vertically arranged in the inner wall of the outer cylinder, and a ball is arranged in the limiting groove of the intermediate cylinder.

[0017] Furthermore, the exhaust control assembly includes a lower end shaft disposed at the bottom of the intermediate cylinder and a sealing cover that is sealed and inserted into the lower end shaft. A guide ball is disposed on the side of the sealing cover, and the guide ball gradually enters the pull-down groove as the intermediate cylinder moves.

[0018] The lower end shaft has an exhaust hole that communicates with the middle position of the pressurization chamber and the bottom of the inner wall of the intermediate cylinder, and the exhaust hole communicates with the side of the lower end shaft.

[0019] Furthermore, the sealing cover has an air storage hole that communicates with the exhaust hole, and the air storage hole is located above the point where the exhaust hole communicates with the lower end shaft.

[0020] Furthermore, the limiting component includes a displacement hole on the outer cylinder and a locking rod that is elastically inserted into the displacement hole. The locking rod can pass through the displacement hole and be inserted into the intermediate cylinder.

[0021] Furthermore, the limiting plate has a limiting groove for the insertion plate to be inserted, the limiting plate has a guide groove, one end of the guide groove has a stepped groove, the locking rod is L-shaped, and the locking rod gradually moves along the guide groove as the outer cylinder moves and enters the stepped groove after the outer cylinder moves to both ends of the displacement groove.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] 1. This invention achieves automatic locking after the steering wheel is rotated by the cooperation of the limiting plate and the rotating self-locking component, ensuring self-locking and facilitating personnel use. The cooperation of the handle and the hanging plate achieves the limiting of the fall arrestor, preventing the fall arrestor from disengaging and ensuring safety.

[0024] 2. The present invention enables the control of the rotational self-locking component through the cooperation of the arc groove and the pull-down groove, which facilitates the control of the rotational self-locking component to achieve self-locking.

[0025] In summary, the present invention has the advantage of self-locking steering. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 For the present invention Figure 1 A schematic diagram of the structure viewed from below;

[0028] Figure 3 For the present invention Figure 2 A schematic diagram of the protective plate;

[0029] Figure 4 For the present invention Figure 3 A schematic diagram of the pull-down groove structure;

[0030] Figure 5 For the present inventionFigure 2 Structure diagram of the invention after the protective plate is removed;

[0031] Figure 6 Structure diagram of the invention Figure 1 Structure diagram of the invention

[0032] Figure 7 Structure diagram of the invention Figure 5 Structure diagram of the invention

[0033] Figure 8 Structure diagram of the invention Figure 5 Structure diagram of the invention

[0034] Figure 9 Structure diagram of the invention Figure 1 Structure diagram of the invention

[0035] Figure 10 Structure diagram of the invention Figure 9 Structure diagram of the invention

[0036] In the figure, 1, clamp block; 2, guide rail; 3, rotating self-locking assembly; 31, handle; 32, connecting disc; 33, middle cylinder; 331, pressurizing cavity; 332, sealing plate; 333, unlocking rod; 334, exhaust hole; 34, sealing sleeve; 35, connecting rod; 37, piston; 38, locking rod; 381, displacement hole; 382, convex ring; 39, inclined groove; 30, rotating fixed head; 301, sealing cover; 302, plug-in plate; 303, one-way valve; 304, communication channel; 305, recess; 306, outer cylinder; 307, gas storage hole; 308, guide ball; 309, lower end shaft; 4, steering disc; 5, hanging plate; 6, fixed plate; 7, steering block; 8, protective plate; 81, arc convex strip; 82, arc groove; 9, displacement groove; 10, limiting plate; 101, limiting groove; 102, guide groove; 103, step groove. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0038] As Figures 1-10As shown, a kind of tower anti-falling device deflector, including fixed plate 6, the deflector plate 4 being rotatably connected on fixed plate 6, four clamping blocks 1 being connected on fixed plate 6 and the deflection block 7 being fixed at the center position of deflector plate 4, four clamping blocks 1 are circularly distributed with the axis of deflector plate 4 as circle, two rotary self-locking assemblies 3 are fixed on deflector plate 4, displacement groove 9 for rotary self-locking assembly 3 ninety degrees rotation is opened in fixed plate 6, limiting plate 10 for limiting rotary self-locking assembly 3 is arranged at both ends of displacement groove 9, handle 31 is arranged on the upper end of rotary self-locking assembly 3, handle 31 can be hung on hanging plate 5, hanging plate 5 is located on the anti-falling device to limit the displacement of anti-falling device, when handle 31 is hung on hanging plate 5 by moving up, limiting plate 10 no longer limits rotary self-locking assembly 3;

[0039] Protective plate 8 is arranged below fixed plate 6 and fixed on clamping block 1, arc groove 82 corresponding to displacement groove 9 is opened in protective plate 8, arc-shaped protrusions 81 are arranged above both arc-shaped sides of arc groove 82, and lower pulling grooves are opened in opposite sides of arc-shaped protrusions 81, when rotary self-locking assembly 3 is displaced along displacement groove 9, the bottom of rotary self-locking assembly 3 is located in arc groove 82 and lower pulling groove, and in the displacement process, rotary self-locking assembly 3 is connected with the outside, so that when rotary self-locking assembly 3 is displaced to the other end of displacement groove 9, limiting plate 10 can limit rotary self-locking assembly 3 and rotary self-locking assembly 3 is not connected with the outside;

[0040] Guide rail 2 is fixed on clamping block 1, and the anti-falling device is slidably connected to guide rail 2 and can be moved to deflection block 7 along guide rail 2;

[0041] In use, personnel move the anti-falling device to deflection block 7 and correspond to the displacement of handle 31, then personnel pull handle 31 and hang handle 31 on the hanging block, at this time, handle 31 pulls the anti-falling device down through the hanging block, so that the anti-falling device is displaced and limited, at this time, rotary self-locking assembly 3 can be separated from limiting plate 10, personnel rotate deflector plate 4, deflector plate 4 drives rotary self-locking assembly 3 to rotate, in the process of rotation, rotary self-locking assembly 3 enters arc groove 82 and lower pulling groove, and in the displacement process, rotary self-locking assembly 3 enters the self-locking state, when rotary self-locking assembly 3 rotates ninety degrees, it is automatically matched with limiting disc, so that limiting plate 10 limits rotary self-locking assembly 3, at this time, deflector plate rotates and is limited, then personnel pull handle 31 up, handle 31 is separated from hanging plate 5, then the anti-falling device is moved out of deflection block 7;

[0042] Wherein the fixing of fixed plate 6 can be realized by the fixing member such as bolt in the prior art.

[0043] In the embodiment, the rotary self-locking assembly 3 comprises an outer cylinder 306 fixed on the steering disc 4, an intermediate cylinder 33 inserted into the inner part of the outer cylinder 306, and a pressurizing assembly arranged in the inner part of the intermediate cylinder 33. The bottom of the outer cylinder 306 is fixed with a circular bottom plate, and the upper side of the limiting plate 10 is provided with an arc-shaped positioning groove. The bottom plate can be rotatably arranged in the positioning groove. The left and right ends of the bottom plate are provided with two insertion plates 302 arranged in parallel on the side surface. The two insertion plates 302 are elastically connected and can be inserted into the limiting plate 10. The insertion plates 302 are elastically connected through springs. The thickness of the insertion plates 302 is greater than the diameter of the springs. The lower end of the intermediate cylinder 33 is provided with a rectangular hole through which the springs can pass and displace upward and downward.

[0044] The outer circumferential side of the intermediate cylinder 33 is provided with a groove 305. The inner side of the outer cylinder 306 is provided with an inner ring arranged in the groove 305. The inner ring is connected with a spring in contact with the lower end of the groove 305 to push the intermediate cylinder 33 downward. The bottom of the intermediate cylinder 33 is provided with an exhaust control assembly in communication with the pressurizing assembly. The handle 31 is arranged on the pressurizing assembly. When the handle 31 is hung on the hanging plate 5, the exhaust control assembly can be displaced into the arc groove 82 and be in sliding connection with the pull-down groove. The exhaust control assembly is gradually opened and closed with the displacement of the outer cylinder 306.

[0045] The lower end of the intermediate cylinder 33 is provided with an inclined groove 39. The insertion plates 302 are arranged in the inclined groove 39 and in contact with the inclined side surface of the inclined groove 39. When the inclined groove 39 moves upward, the insertion plates 302 are gradually contracted and separated from the limiting plate 10.

[0046] The outer cylinder 306 is provided with a limiting assembly for limiting the upward movement of the intermediate cylinder 33. The pressurizing assembly can push the limiting assembly to no longer limit the intermediate cylinder 33.

[0047] The hardness of the spring connecting the intermediate cylinder 33 and the outer cylinder 306 is greater than the hardness of the spring connecting the intermediate cylinder 33 and the piston 37, so that the intermediate cylinder 33 can be elastically reset when the spring of the piston 37 and the intermediate cylinder 33 is extruded and the exhaust control assembly is in communication with the outside.

[0048] In use, the personnel hang the handle 31 on the hanging plate 5. The pressurizing assembly moves upward and drives the intermediate cylinder 33 to move upward. At this time, the inclined groove 39 moves upward to make the insertion plates 302 separate from the limiting plate 10. At this time, the outer cylinder 306 can be displaced along the displacement groove 9. The personnel rotates the steering disc 4. The steering disc 4 drives the outer cylinder 306 to displace. In the process of displacement, the exhaust control assembly gradually enters the arc groove 82 and the pull-down groove. The exhaust control assembly is gradually opened and closed. When it is opened, it is used to exhaust the gas in the pressurizing assembly, so that the intermediate cylinder 33 can move downward. When the outer cylinder 306 moves to the other end of the displacement groove 9, it enters the limiting plate 10. Under the action of the intermediate cylinder 33, the insertion plates 302 move outward along the inclined groove 39 until they are inserted into the limiting plate 10. The limiting plate 10 limits the intermediate cylinder 33. The personnel can take down the handle 31 from the hanging plate 5.

[0049] In the embodiment, the pressurizing assembly comprises a piston 37 sealingly inserted into the inner wall of the intermediate cylinder 33, a connecting rod 35 connected with the piston 37, and a connecting disc 32 connected with the connecting rod 35, the piston 37 is elastically connected to the intermediate cylinder 33 by a spring, and a one-way valve 303 is sealingly fixed on the piston 37 so that the piston 37 can be elastically reset;

[0050] The lower end of the intermediate cylinder 33 is provided with a pressurizing cavity 331, the pressurizing cavity 331 and the inner bottom wall of the intermediate cylinder 33 are communicated with the exhaust control assembly, the pressurizing cavity 331 is sealingly connected with an unlocking rod 333, the inner upper side of the intermediate cylinder 33 is sealingly fixed with a sealing sleeve 34, the sealing sleeve 34 sealingly contacts with the connecting rod 35, and the lower end of the sealing sleeve 34 is provided with a circular protrusion, the intermediate cylinder 33 is provided with a communication channel 304 communicated with the pressurizing cavity 331, the communication channel 304 is communicated with the inner wall of the intermediate cylinder 33 on one side of the circular protrusion, and when the piston 37 moves upward, the unlocking rod 333 can push the limiting assembly to stop limiting the intermediate cylinder 33;

[0051] In use, a person pulls the handle 31 to move the connecting disc 32 upward, the connecting disc 32 drives the piston 37 to move upward through the connecting rod 35, at this time, the air between the piston 37 and the sealing sleeve 34 enters the pressurizing cavity 331 through the communication channel 304, with the increase of pressure, the unlocking rod 333 gradually displaces and pushes the limiting assembly to stop limiting the intermediate cylinder 33;

[0052] Then, with the displacement of the exhaust control assembly, the pressurizing cavity 331 and the inner bottom wall of the intermediate cylinder 33 are communicated with the outside, so that the pressure in the pressurizing cavity 331 and the inner bottom wall of the intermediate cylinder 33 returns to the original state, and then, with the movement of the outer cylinder 306 and the intermediate cylinder 33, the exhaust control assembly is closed;

[0053] When the handle 31 is removed, the piston 37 is reset under the action of the spring, at this time, the one-way valve 303 is opened, the air below the piston 37 enters above the piston 37 through the one-way valve 303, so as to ensure the next work of the unlocking rod 333.

[0054] In the embodiment, two sealing plates 332 are arranged in the pressurizing cavity 331, the sealing plates 332 are connected with the unlocking rod 333, and baffles are arranged on both sides of the communication position between the pressurizing cavity 331 and the communication channel 304;

[0055] In use, the two sealing plates 332 realize the sealing insertion of the unlocking rod 333 and the pressurizing cavity 331, the displacement range of the sealing plate 332 is limited by the baffles, the sealing plate 332 is prevented from blocking the communication position between the pressurizing cavity 331 and the communication channel 304, and the use is ensured.

[0056] In the embodiment, the inner wall of the outer cylinder 306 is vertically provided with a limiting groove 101, and the intermediate cylinder 33 is provided with a ball located in the limiting groove 101.

[0057] In use, the displacement range of the middle cylinder 33 is realized by the cooperation of the limiting groove 101 and the ball, avoiding the disengagement of the plug-in plate 302 from the inclined groove 39, and ensuring the normal work of the plug-in plate 302.

[0058] In the embodiment, the exhaust control assembly includes a lower end shaft 309 arranged at the bottom of the middle cylinder 33 and a sealing cover 301 sealingly plugged on the lower end shaft 309, and the sealing cover 301 is provided with a guide ball 308 on the side surface, which gradually enters the lower pull groove with the displacement of the middle cylinder 33.

[0059] The lower end shaft 309 is provided with an exhaust hole 334 communicating with the middle position of the pressurizing cavity 331 and the bottom of the inner wall of the middle cylinder 33, and the exhaust hole 334 communicates with the side surface of the lower end shaft 309.

[0060] In use, with the displacement of the outer cylinder 306 and the middle cylinder 33, the guide ball 308 gradually enters the lower pull groove, and the sealing cover 301 enters the arc groove 82, and then the guide ball 308 gradually drives the sealing cover 301 to move downward along the lower pull groove, so that the exhaust hole 334 is gradually exposed, thereby making the exhaust hole 334 communicate with the outside, and when the pressure inside the pressurizing cavity 331 and the middle cylinder 33 is restored to normal, the guide ball 308 drives the sealing cover 301 to move upward and reset, thereby ensuring the control of exhaust.

[0061] The recovery of the pressure inside the pressurizing cavity 331 and the middle cylinder 33 can be set according to the actual requirement to ensure the communication time.

[0062] In the embodiment, the sealing cover 301 is provided with a gas storage hole 307 communicating with the exhaust hole 334, and the gas storage hole 307 is located above the position where the exhaust hole 334 communicates with the lower end shaft 309.

[0063] When the sealing cover 301 is not moved downward, the gas enters the gas storage hole 307 and pushes the sealing cover 301 to move upward, thereby ensuring the sealing of the sealing cover 301.

[0064] In the embodiment, the limiting assembly includes a displacement hole 381 arranged on the outer cylinder 306 and a lock rod 38 elastically plugged in the displacement hole 381, and the lock rod 38 is provided with a convex ring 382 elastically connected in the displacement hole 381 by a spring, and the lock rod 38 can be plugged in the middle cylinder 33 through the displacement hole 381, and the middle cylinder 33 is provided with a limiting hole for plugging the unlocking rod 333 and the lock rod 38.

[0065] In use, the middle cylinder 33 is reset to align the displacement hole 381 with the limiting hole, the lock rod 38 is elastically reset and inserted into the limiting hole, thereby realizing the limitation of the middle cylinder 33, and when unlocking is needed, the unlocking rod 333 pushes the lock rod 38 to displace and disengage from the limiting hole, so that the middle cylinder 33 can move upward.

[0066] Wherein, the unlocking rod 333 can only be flush with the outer wall of the middle cylinder 33 after being extended, so that the middle cylinder 33 can be normally moved upward;

[0067] As a preferred, the contact part of the limiting hole and the displacement hole 381 of the locking rod 38 are both formed by a plurality of plates in annular array, so as to reduce the friction.

[0068] In the embodiment, the limiting plate 10 is provided with a limiting slot 101 for inserting the inserting plate 302, and the limiting plate 10 is provided with a guide slot 102, one end of the guide slot 102 is provided with a stepped slot 103, the locking rod 38 is L-shaped, and the locking rod 38 gradually displaces along the guide slot 102 with the movement of the outer cylinder 306 and enters the stepped slot 103 after the outer cylinder 306 moves to both ends of the displacement slot 9;

[0069] When the outer cylinder 306 is close to one end of the displacement slot 9, the locking rod 38 displaces along the guide slot 102 and makes the locking rod 38 gradually away from the middle cylinder 33, so as to reduce the friction between the locking rod 38 and the middle cylinder 33, and when the locking rod 38 enters the stepped slot 103, at this time the outer cylinder 306 contacts with the limiting plate 10, at this time the outer cylinder 306 cannot continue to displace, the locking rod 38 is inserted into the limiting hole, and the middle cylinder 33 is displaced and locked.

[0070] Wherein, the top of the middle cylinder 33 is provided with a rotating fixing head 30, the rotating fixing head 30 is provided with a rotating fixing head 30 which is fixed with the outer cylinder 306, after use, the positioning of the middle cylinder 33 is ensured through the rotating fixing head 30.

[0071] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tower anti-falling device deflector, comprising a fixed plate, a deflector plate rotatably connected to the fixed plate, four clamping blocks connected to the fixed plate, and a deflector block fixed at the center of the deflector plate, the four clamping blocks are circularly distributed in a ring shape with the axis of the deflector plate as the center, characterized in that: The steering wheel is fixed with at least one rotation self-locking assembly, the fixed plate is provided with a displacement groove for 90-degree rotation of the rotation self-locking assembly, both ends of the displacement groove are provided with limiting plates for limiting the rotation self-locking assembly, the upper end of the rotation self-locking assembly is provided with a handle, the handle can be hung on the hanging plate, the hanging plate is located on the safety device to limit the displacement of the safety device, when the handle is hung on the hanging plate, the limiting plates no longer limit the rotation self-locking assembly. The lower side of the fixed plate is provided with a protection plate fixed on the clamping block, the protection plate is provided with an arc groove corresponding to the displacement groove, the upper side of both arc sides of the arc groove is provided with an arc protrusion, the opposite side of the arc protrusion is provided with a pull-down groove, when the rotation self-locking assembly is displaced along the displacement groove, the bottom of the rotation self-locking assembly is located in the arc groove and the pull-down groove, and in the displacement process, the rotation self-locking assembly is connected with the outside, so that when the rotation self-locking assembly is displaced to the other end of the displacement groove, the limiting plate can limit the rotation self-locking assembly and the rotation self-locking assembly is not connected with the outside.

2. The diverter for a tower fall arrest device of claim 1, wherein: The rotation self-locking assembly comprises an outer cylinder fixed on the steering wheel, an intermediate cylinder inserted into the outer cylinder, and a pressurizing assembly arranged in the intermediate cylinder, the bottom of the outer cylinder is fixed with a bottom plate, both ends of the bottom plate are provided with insertion plates arranged in parallel on the side, the two insertion plates are elastically connected and can be inserted into the limiting plate; The intermediate cylinder is elastically connected to the outer cylinder to push the intermediate cylinder downward, the bottom of the intermediate cylinder is provided with an exhaust control assembly connected with the pressurizing assembly, the handle is arranged on the pressurizing assembly, the exhaust control assembly can be displaced into the arc groove and slidably connected with the pull-down groove when the handle is hung on the hanging plate, the exhaust control assembly is gradually opened and closed with the displacement of the outer cylinder; The lower end of the intermediate cylinder is provided with an inclined groove, the insertion plate is located in the inclined groove and contacts with the inclined side of the inclined groove, when the inclined groove moves upward, the insertion plate gradually shrinks and separates from the limiting plate; The outer cylinder is provided with a limiting assembly for limiting the upward movement of the intermediate cylinder, the pressurizing assembly can push the limiting assembly to no longer limit the intermediate cylinder.

3. The diverter for a tower fall arrest device of claim 2, wherein: The pressurizing assembly comprises a piston sealingly inserted into the inner wall of the intermediate cylinder, a connecting rod connected with the piston, and a connecting disc connected with the connecting rod, the piston is elastically connected to the intermediate cylinder, and the piston is one-way sealed to enable the piston to be elastically reset; The lower end of the intermediate cylinder is provided with a pressurizing cavity, the pressurizing cavity and the inner bottom wall of the intermediate cylinder are connected with the exhaust control assembly, the pressurizing cavity is sealingly connected with an unlocking rod, the upper side of the inner intermediate cylinder is sealingly fixed with a sealing sleeve, the sealing sleeve sealingly contacts with the connecting rod, and the lower end of the sealing sleeve is provided with a circular protrusion, the intermediate cylinder is provided with a communication channel connected with the pressurizing cavity, the communication channel communicates with the inner wall of the intermediate cylinder on one side of the circular protrusion, and when the piston moves upward, the unlocking rod can push the limiting assembly to no longer limit the intermediate cylinder.

4. The diverter for a tower fall arrest device of claim 3, wherein: Two sealing plates are arranged in the pressurizing cavity, the sealing plates are connected with the unlocking rod, and baffles are arranged on both sides of the communication channel connected with the pressurizing cavity.

5. The diverter for a tower fall arrest device of claim 3, wherein: A one-way valve is sealingly fixed on the piston.

6. The diverter for a tower fall arrest device of claim 3, wherein: The outer cylinder is provided with a limiting slot vertically formed on the inner wall of the outer cylinder, and the middle cylinder is provided with a ball located in the limiting slot.

7. The diverter for a tower fall arrest device of claim 4, wherein: The exhaust control assembly comprises a lower end shaft arranged at the bottom of the middle cylinder and a sealing cover sealingly inserted on the lower end shaft, and the sealing cover is provided with a guide ball on the side surface, which gradually enters the lower pull slot with the displacement of the middle cylinder. The lower end shaft is provided with an exhaust hole communicating with the middle position of the pressurizing cavity and the bottom of the inner wall of the middle cylinder, and the exhaust hole communicates with the side surface of the lower end shaft.

8. The diverter for a tower fall arrest device of claim 7, wherein: The sealing cover is provided with a gas storage hole communicating with the exhaust hole, and the gas storage hole is located above the position where the exhaust hole communicates with the lower end shaft.

9. The diverter for a tower fall arrest device of claim 8, wherein: The limiting assembly comprises a displacement hole formed on the outer cylinder and a lock rod elastically inserted in the displacement hole, and the lock rod can be inserted in the middle cylinder through the displacement hole.

10. The diverter for a tower fall arrest device of claim 9, wherein: The limiting plate is provided with a limiting slot for the insertion of the insertion plate, and the limiting plate is provided with a guide slot, one end of the guide slot is provided with a stepped slot, the lock rod is L-shaped, and the lock rod gradually displaces along the guide slot with the movement of the outer cylinder and enters the stepped slot after the outer cylinder moves to both ends of the displacement slot.

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