High platform operation anti-falling device for wind power construction
By introducing a movable seat and ratchet structure into the fall arrestor, the problems of elastic cushioning rebound and rope wear are solved, achieving high efficiency in safety and stability and ensuring the safety of high-altitude operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-20
AI Technical Summary
Existing fall prevention devices for high-platform operations in wind power construction have a rebound problem after elastic buffering, causing personnel to bounce repeatedly, and may cause backstop failure and rope wear due to accidental activation.
It adopts a movable seat and ratchet structure, with a second spring forming an elastic buffer, and the one-way rotation anti-reverse effect of the ratchet and ratchet teeth prevents rebound. At the same time, the guide tube and upright reduce friction, and a protective cover is set to prevent accidental contact and enhance stability.
It effectively avoids elastic rebound, improves the stability and safety of the device, reduces rope wear, and enhances the safety of high-altitude operations.
Smart Images

Figure CN224008906U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high platform operation safety technical field, concretely is a high platform operation anti -fall device for wind power construction. BACKGROUND
[0002] In the process of wind power construction, the operating position is higher, and the staff generally prevents falling accidents by using a fall arrestor. The fall arrestor, also known as a speed difference device, is a protective product. It has a locking mechanism inside the fall arrestor. When the fall arrestor is working normally, it is in a semi-tension state, so the operator has no sense of anxiety. If the operator falls accidentally, the safety rope will be pulled out at a significantly increased speed, and the locking mechanism in the device will automatically lock.
[0003] After searching, the patent document with the publication number CN217961043U discloses a high platform operation anti-falling device for wind power construction. The device includes a fall arrestor body, an upper connecting rope fixedly connected to the surface of the fall arrestor body, and a safety rope provided on the surface of the fall arrestor body. The device also includes a buffer assembly provided at one end of the safety rope. The buffer assembly includes a rectangular shell, a limiting column, a connecting belt, a rectangular frame, a rod sleeve, an elastic rope, a square sleeve, and a limiting block. The rectangular shell is fixedly connected to the end of the safety rope away from the fall arrestor body. The rectangular frame is slidingly connected to the inner wall surface of the rectangular shell. This device can effectively buffer the sudden falling of the operator, avoid the serious physical and psychological harm caused by the impact, and adjust the sliding resistance of the square sleeve on the surface of the rectangular shell according to the weight of the operator, thereby improving the use effect of the device.
[0004] The above-mentioned prior art uses elastic buffering to buffer the falling of the operator, thereby avoiding the impact. However, the elastic buffering in the above-mentioned prior art may cause rebound, resulting in repeated bouncing of the operator. Therefore, a new high platform operation anti-falling device for wind power construction is proposed to optimize the above-mentioned prior art. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a high platform operation anti-falling device for wind power construction to solve the problems raised in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:
[0007] The utility model provides a high platform operation anti -fall device for wind power construction, including first hook for connecting with wind power high platform and second hook for connecting with operator safety clothes, first hook is connected in the top of the body of anti -fall device through upper connection rope, and the body of anti -fall device adopts existing on -sale anti -fall device, and the end of safety rope of body of anti -fall device is connected with frame body, and the inside of frame body is equipped with a cavity that both sides are penetrated, and the movable seat that is suitable is slidably installed on the frame body, and the movable seat is overall as a day character, and the middle part of movable seat is slidably connected in the frame body and its bottom surface is fixedly connected with lower connection rope, and the bottom end of lower connection rope is fixedly connected with second hook, and both sides of frame body are all equipped with installation slot, and movable seat part is inserted into installation slot and is slidably connected, and movable seat part is embedded in installation slot and forms the stability of improving overall sliding, and one side of installation slot is fixedly connected with rack, and the outside of rack is equipped with gear that is engaged transmission with it, and gear is rotatably installed on movable seat through pin shaft, and one end of pin shaft is stretched out movable seat and is fixedly connected with ratchet wheel, and ratchet wheel is fixedly connected with gear through pin shaft, and the top of ratchet wheel is equipped with ratchet that is corresponding with it, and ratchet is in the tooth groove of ratchet wheel, and one end of ratchet away from ratchet wheel is rotatably installed with movable seat, and the top of movable seat corresponding ratchet is fixedly connected with guide rod through fixed block, and guide rod is arc -shaped rod, and the rotation center of guide rod and ratchet is concentrically arranged, and guide rod is slidably penetrated ratchet, and the arc -shaped hole for the penetration of guide rod is opened in ratchet, and the outside of guide rod is equipped with first spring, and first spring is arranged between fixed block and ratchet.
[0008] As a further scheme of the utility model: the movable seat corresponding the installation place of ratchet is equipped with a groove, the groove is slidably connected with the protective cover that is suitable for it, and the bottom of protective cover is threadedly connected with the screw knob. The bottom of the protective cover is provided with a threaded hole for the threaded connection of the screw knob, and the screw knob penetrates the protective cover and is located on the inner wall of the groove.
[0009] As a further scheme of the utility model: the two sides of the protective cover are symmetrically provided with guide grooves, and the sidewall of the groove is provided with a guide strip corresponding to the guide groove. The guide strip is inserted into the guide groove and is slidably connected. The cooperation of the guide strip and the guide groove enables the protective cover to be slidably connected in the groove.
[0010] As a further scheme of the utility model: the middle bottom surface of the movable seat is fixedly connected with a guide pipe, the guide pipe is sleeved on the upper part of the lower connection rope, the guide pipe is slidably penetrated the bottom of the frame body, and the bottom of the frame body is provided with a circular hole for the penetration and sliding of the guide pipe.
[0011] As a further scheme of the utility model: a plurality of vertical rods are fixedly connected in the frame body, the vertical rods are slidably penetrated the movable seat, the movable seat is provided with a circular hole for the penetration and sliding of the vertical rods, the outer sides of the vertical rods are sleeved with second springs, and the second springs are arranged between the bottom surface of the movable seat and the inner wall of the frame body.
[0012] Compared with the prior art, the utility model has the advantages of
[0013] 1, the utility model discloses the elastic buffering effect of the second spring is formed between movable seat and frame body, and movable seat is downlink, the gear is rotated under the driving of the rack, and the ratchet wheel is rotated under the driving of the gear, and the ratchet wheel forms the one -way rotation stop effect under the cooperation of the first spring of the ratchet, thereby after the second spring is compressed to the limit when movable seat is downlink, movable seat can not be reversely up -move, thereby make potential energy be stored in the second spring, thereby avoid the emergence of elastic rebound problem.
[0014] 2, the utility model discloses the protective cover of movable installation is set up outside the ratchet wheel and is isolated protection, thereby avoids the emergence of the ratchet wheel from the ratchet and causes the stoppage invalidation of misoperation in the use.
[0015] 3, the utility model discloses the protection of the lower connecting rope is carried out through the catheter, thereby avoids the abrasion of the lower connecting rope and the frame body and produces the friction.
[0016] 4, the utility model discloses movable seat is slidably connected on the outside of frame body, further through the slide guide of vertical rod, and the elastic support of cooperation second spring, thereby can play the role after the aerial fall arrestor body of movable seat extrusion second spring forms the elastic buffering effect. DRAWINGS
[0017] Fig. 1 It is a kind of wind power construction high platform operation anti-falling device structure schematic view.
[0018] Fig. 2 It is a kind of wind power construction high platform operation anti-falling device in the enlarged view of A.
[0019] Fig. 3 It is a kind of wind power construction high platform operation anti-falling device in the partial structure section view.
[0020] Fig. 4 It is a kind of wind power construction high platform operation anti-falling device in movable seat front view.
[0021] Fig. 5 It is a kind of wind power construction high platform operation anti-falling device in protective cover display diagram.
[0022] Fig. 6 It is a kind of wind power construction high platform operation anti-falling device in frame body internal display diagram.
[0023] In the figure: 1, the first hook; 2, the second hook; 3, the upper connecting rope; 4, the body of the fall arrestor; 5, the safety rope; 6, the frame body; 7, the movable seat; 8, the lower connecting rope; 9, the mounting groove; 10, the rack; 11, the gear; 12, the ratchet wheel; 13, the ratchet; 14, the guide rod; 15, the first spring; 16, the containing groove; 17, the protective cover; 18, the threaded knob; 19, the guide strip; 20, the guide groove; 21, the guide pipe; 22, the vertical rod; 23, the second spring. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Please refer to Figs. 1-6 In the embodiments of the utility model, a high platform operation anti-falling device for wind power construction includes a first hook 1 for connecting with a wind power high platform and a second hook 2 for connecting with an operator's safety clothes. The first hook 1 is connected to the top of the body of the fall arrestor 4 through the upper connecting rope 3. The body of the fall arrestor 4 adopts an existing on-sale fall arrestor. The end of the safety rope 5 of the body of the fall arrestor 4 is connected with the frame body 6. The inside of the frame body 6 is provided with a cavity penetrating through both sides. The movable seat 7 matched with the frame body 6 is slidingly installed on the frame body 6. The movable seat 7 is in the shape of a Chinese character "Ri". The middle part of the movable seat 7 is slidingly connected in the frame body 6, and the bottom surface of the movable seat 7 is fixedly connected with the lower connecting rope 8. The bottom end of the lower connecting rope 8 is fixedly connected with the second hook 2. The both sides of the frame body 6 are provided with the mounting grooves 9. The movable seat 7 is partially inserted into and slidingly connected with the mounting grooves 9. The movable seat 7 is partially embedded in the mounting grooves 9 to form sliding guide, thereby improving the stability of the whole sliding. The side of the mounting groove 9 is fixedly connected with the rack 10. The outside of the rack 10 is provided with the gear 11 meshing and driving the rack 10. The gear 11 is rotatably installed on the movable seat 7 through a pin shaft. One end of the pin shaft extends out of the movable seat 7 and is fixedly connected with the ratchet wheel 12. The ratchet wheel 12 is fixedly connected with the gear 11 through the pin shaft. The upper side of the ratchet wheel 12 is provided with the ratchet 13 corresponding to the ratchet wheel 12. The ratchet 13 abuts against the tooth groove of the ratchet wheel 12. One end of the ratchet 13 away from the ratchet wheel 12 is rotatably installed on the movable seat 7. The upper side of the movable seat 7 corresponding to the ratchet 13 is fixedly connected with the guide rod 14 through the fixed block. The guide rod 14 is an arc-shaped rod. The guide rod 14 is concentrically arranged with the rotation center of the ratchet 13. The guide rod 14 slidingly penetrates through the ratchet 13. The ratchet 13 is provided with the arc-shaped hole for the guide rod 14 to penetrate through. The outside of the guide rod 14 is sleeved with the first spring 15. The first spring 15 is arranged between the fixed block and the ratchet 13.
[0026] When the elastic buffering effect is formed between the movable seat 7 and the frame body 6 by the second spring 23, the movable seat 7 is lowered, at this time, the rack 10 drives the gear 11 to rotate, the gear 11 drives the ratchet wheel 12 to rotate, and the ratchet wheel 12 is formed in one-way rotation reverse effect under the cooperation of the ratchet 13 and the first spring 15, so that the movable seat 7 cannot be reversely moved upward after the second spring 23 is compressed to the limit, thereby the potential energy is stored in the second spring 23, so that the elastic rebound problem is avoided.
[0027] A containing groove 16 is formed on the movable seat 7 corresponding to the installation position of the ratchet wheel 12, a protective cover 17 matched with the containing groove 16 is slidably connected in the containing groove 16, and a threaded knob 18 is threadedly connected to the bottom of the protective cover 17.
[0028] The bottom of the protective cover 17 is provided with a threaded hole for threadedly connecting the threaded knob 18, and the threaded knob 18 penetrates the protective cover 17 and abuts against the inner wall of the containing groove 16.
[0029] The protective cover 17 is symmetrically provided with guide grooves 20 on both sides, and guide strips 19 are arranged on the side walls of the containing groove 16 corresponding to the guide grooves 20 and are slidably connected in the guide grooves 20.
[0029] The protective cover 17 is symmetrically provided with guide grooves 20 on both sides, and guide strips 19 are arranged on the side walls of the containing groove 16 corresponding to the guide grooves 20 and are slidably connected in the guide grooves 20.
[0030] The protective cover 17 is symmetrically provided with guide grooves 20 on both sides, and guide strips 19 are arranged on the side walls of the containing groove 16 corresponding to the guide grooves 20 and are slidably connected in the guide grooves 20.
[0031] The protective cover 17 is symmetrically provided with guide grooves 20 on both sides, and guide strips 19 are arranged on the side walls of the containing groove 16 corresponding to the guide grooves 20 and are slidably connected in the guide grooves 20.
[0032] A plurality of vertical rods 22 are fixedly connected in the frame body 6 in parallel and symmetry, the vertical rods 22 slidably penetrate the movable seat 7, the movable seat 7 is provided with a circular hole for the vertical rods 22 to penetrate and slide, and the outer sides of the vertical rods 22 are all sleeved with the second springs 23.
[0033] The movable seat 7 is slidably connected to the outer side of the frame body 6, is further slidably guided by the vertical rods 22, and is elastically supported by the second springs 23, so that the movable seat 7 can be elastically buffered by extruding the second springs 23 after the high-altitude falling protector body 4 is used.
[0034] The working principle of the utility model is:
[0035] In use, the first hook 1 is connected with a wind power platform, the second hook 2 is connected with a safety clothes of an operator, the protective cover 17 is inserted into the accommodating groove 26 through the cooperation of the guide strip 19 and the guide groove 20, and is further locked and fixed through the threaded knob 18; when the operator falls during high-altitude operation, the movable seat 7 slides downward to press the second spring 23, thereby forming elastic buffering; when the movable seat 7 moves downward, the rack 10 drives the gear 11 to rotate, the gear 11 drives the ratchet wheel 12 to rotate, the ratchet wheel 12 forms one-way rotation reverse stopping effect under the cooperation of the ratchet 13 and the first spring 15, thereby the movable seat 7 cannot move upward reversely after the second spring 23 is compressed to the limit when the movable seat 7 moves downward, so that potential energy is stored in the second spring 23, thereby avoiding the emergence of elastic rebound problem.
[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A fall prevention device for high-platform operations in wind power construction, comprising a first hook (1) for connecting to a wind power high platform and a second hook (2) for connecting to the safety clothing of the operator, characterized in that: The first hook (1) is connected to the top of the fall arrester body (4) via the upper connecting rope (3). The end of the safety rope (5) of the fall arrester body (4) is connected to a frame (6). A movable seat (7) adapted to it is slidably installed on the frame (6). The middle part of the movable seat (7) is slidably connected to the frame (6) and its bottom surface is fixedly connected to a lower connecting rope (8). The bottom end of the lower connecting rope (8) is fixedly connected to the second hook (2). Mounting grooves (9) are provided on both sides of the frame (6). The movable seat (7) is partially inserted into the mounting groove (9) and slidably connected. A rack (10) is fixedly connected to one side of the mounting groove (9). A gear (11) meshes with the rack (10) on its outer side. The gear (11) passes through... The pin is rotatably mounted on the movable seat (7). One end of the pin extends out of the movable seat (7) and is fixedly connected to a ratchet (12). The ratchet (12) is fixedly connected to the gear (11) through the pin. A corresponding ratchet tooth (13) is provided above the ratchet (12). The end of the ratchet tooth (13) away from the ratchet tooth (12) is rotatably mounted on the movable seat (7). A guide rod (14) is fixedly connected above the movable seat (7) corresponding to the ratchet tooth (13) through a fixing block. The rotation center of the guide rod (14) and the ratchet tooth (13) are concentrically set. The guide rod (14) slides through the ratchet tooth (13). A first spring (15) is sleeved on the outside of the guide rod (14). The first spring (15) is set between the fixing block and the ratchet tooth (13).
2. The anti-fall device for high-platform operations in wind power construction according to claim 1, characterized in that: The movable seat (7) has a groove (16) at the installation location of the ratchet (12). A protective cover (17) that is compatible with it is slidably connected in the groove (16). A threaded knob (18) is threadedly connected to the bottom of the protective cover (17).
3. The anti-fall device for high-platform operations in wind power construction according to claim 2, characterized in that: The protective cover (17) has symmetrical guide grooves (20) on both sides. The side wall of the receiving groove (16) is provided with guide strips (19) corresponding to the guide grooves (20). The guide strips (19) are inserted into the guide grooves (20) and are slidably connected.
4. The anti-fall device for high-platform operations in wind power construction according to claim 1, characterized in that: The movable seat (7) is fixedly connected to the bottom of the middle part of the conduit (21), which is sleeved on the upper part of the lower connecting rope (8) and slides through the bottom of the frame (6).
5. A fall prevention device for high-platform operations in wind power construction according to claim 1, characterized in that: Multiple uprights (22) are fixedly connected in parallel and symmetrically inside the frame (6). The uprights (22) slide through the movable seat (7). A second spring (23) is sleeved on the outside of each upright (22). The second spring (23) is located between the bottom surface of the movable seat (7) and the inner wall of the frame (6).
Citation Information
Patent Citations
High platform operation anti-falling device for wind power construction
CN217961043U