CN220451473U

CN220451473U - Anti-falling device

Info

Publication number: CN220451473U
Application number: CN202321454019.4U
Authority: CN
Inventors: 任浩; 白鹏; 付维良; 杨光; 刘禄赞
Original assignee: Shaanxi Construction Guangzhou Construction Development Co ltd
Current assignee: Shaanxi Construction Guangzhou Construction Development Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-02-06
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses an anti-falling device which comprises a fixed bin, wherein a traction mechanism is arranged in the fixed bin, the anti-falling device also comprises an anti-falling mechanism, and the anti-falling mechanism is positioned below the fixed bin. The beneficial effects are that: make its rolling disc quick rotation when the workman takes place to fall, and then the centrifugal force that produces promotes a plurality of kicking blocks of inside outwards slide, makes its electro-magnet outage lose magnetism when touching the button, and then the second spring promotes the briquetting and moves down and exert pressure to a plurality of spin, and then through the sliding fit between a plurality of spin and the fixed cover, and then carry out effectual locking to the safety rope in the centre gripping and prevent that the workman from falling, strengthened the security of workman's during construction, improved the nimble practicality of device.

Description

Anti-falling device

Technical Field

The utility model relates to the field of steel structure engineering, in particular to a falling protection device.

Background

When building fixed building house, can build steel construction frame in the building outside and assist building house, its unsettled process of putting up is dangerous, needs anti-falling device to ensure safety.

Through contrast patent number CN216446566U an anti-falling device for steel construction engineering construction, need the workman to accomplish work in the high altitude when constructing the steel construction, in this scheme, perhaps need make a round trip to constantly remove when the workman constructs the steel construction, and then connect the rope at the in-process that the workman removed and can not realize flexible effect, and then be inconvenient for the workman's removal when the construction, the in-process that the workman removed probably takes place circumstances such as fall, and then can not make the lock in the twinkling of an eye of connecting the rope dead, can not make its workman suspend guarantee safety in the sky, and then probably can take place the safety accident, cause the injury to the workman.

Disclosure of Invention

The present utility model aims to solve the above problems and provide a fall protection device.

The utility model realizes the above purpose through the following technical scheme:

the anti-falling device comprises a fixed bin, wherein a traction mechanism is arranged in the fixed bin, and the anti-falling device further comprises an anti-falling mechanism which is positioned below the fixed bin;

the anti-falling mechanism comprises a fastening component used for locking the rope and a triggering component used for providing a triggering signal for the fastening component;

the fastening assembly comprises a fixed frame, an electromagnet is arranged at the upper end of the fixed frame, a fixed sleeve is fixedly arranged inside the fixed frame, a sliding sleeve is slidably arranged inside the fixed sleeve, a plurality of rolling balls are arranged between the sliding sleeve and the fixed sleeve in a rolling mode, the rolling balls are arranged around the circle center, a pressing block is arranged above the rolling balls, a second spring is fixedly connected between the pressing block and the fixed frame, and the sliding sleeve and the lower end of the fixed sleeve are all conical.

Preferably: the trigger assembly comprises a rotating disc, the rotating disc is arranged inside the fixed bin, a plurality of sliding rails are arranged inside the rotating disc, jacking blocks are arranged inside the sliding rails, a first spring is connected between the jacking blocks and the sliding rails, and a plurality of buttons are fixedly arranged on the inner wall of the rotating disc.

Preferably: the traction mechanism comprises a first rotating shaft, the first rotating shaft is rotatably arranged inside the fixed bin, a take-up reel is fixedly arranged on the first rotating shaft, a safety rope is wound on the take-up reel, a torsion spring is fixedly arranged between the take-up reel and the fixed bin, a large gear is arranged in front of the take-up reel, a second rotating shaft is arranged below the first rotating shaft, a small gear is fixedly arranged on the second rotating shaft, and the large gear is meshed with the small gear.

Preferably: the fixed sleeve and the sliding sleeve are made of aluminum materials, and the pressing block is made of iron.

Preferably: the rotating disc is fixedly connected with the second rotating shaft, and the button is triggered to enable the electromagnet to lose magnetism when the electromagnet is powered off.

Preferably: the large gear diameter is greater than the small gear diameter.

Preferably: the large gear is fixedly connected with the first rotating shaft, and a safety buckle is rotatably arranged at the upper end of the fixed bin.

Compared with the prior art, the utility model has the following beneficial effects:

through being provided with trigger subassembly and fastening component etc, make its rolling disc quick rotation when the workman takes place to fall, and then the centrifugal force that produces promotes inside a plurality of kicking blocks outwards to slide, makes its electro-magnet outage lose magnetism when touching the button, and then the second spring promotes the briquetting and moves down and exert pressure to a plurality of spin, and then through the sliding fit between a plurality of spin and the fixed cover, and then carry out effectual locking to the safety rope in the centre gripping and prevent that the workman from falling, the security when having strengthened workman's construction has improved the nimble practicality of device.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of a fall arrest device according to the present utility model;

FIG. 2 is a schematic view of a traction mechanism of a fall arrest device according to the present utility model;

FIG. 3 is a cross-sectional view of the interior of the rotating disc of the fall arrest device of the present utility model;

FIG. 4 is a cross-sectional view of the inside of a fixed frame of a fall arrest device according to the present utility model;

fig. 5 is a sectional view of a structure between a first spring and a top block of a fall arrest device according to the present utility model.

The reference numerals are explained as follows:

1. a fixed bin; 2. an anti-falling mechanism; 21. a fixed frame; 22. an electromagnet; 23. briquetting; 24. a fixed sleeve; 25. a sliding sleeve; 26. a rolling ball; 27. a slide rail; 28. a top block; 29. a first spring; 210. a button; 211. a rotating disc; 212. a second spring; 3. a traction mechanism; 31. a first rotating shaft; 32. a take-up reel; 33. a torsion spring; 34. a large gear; 35. a pinion gear; 36. a second rotating shaft; 37. a safety rope.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, the anti-falling device comprises a fixed bin 1, a traction mechanism 3 for traction movement of workers, wherein the traction mechanism 3 is positioned inside the fixed bin 1, and the anti-falling device further comprises an anti-falling mechanism 2 for preventing the workers from falling, and the anti-falling mechanism 2 is positioned below the fixed bin 1;

in this embodiment: the traction mechanism 3 comprises a first rotating shaft 31, a take-up reel 32, a torsion spring 33, a large gear 34, a small gear 35, a second rotating shaft 36 and a safety rope 37, wherein the first rotating shaft 31 is rotatably arranged in the fixed bin 1, the take-up reel 32 is fixedly arranged on the first rotating shaft 31, the torsion spring 33 is fixedly connected between the take-up reel 32 and the fixed bin 1, the safety rope 37 is wound on the take-up reel 32, the large gear 34 is arranged in front of the take-up reel 32, the large gear 34 is fixedly connected with the first rotating shaft 31, the second rotating shaft 36 is arranged below the first rotating shaft 31, the second rotating shaft 36 is rotatably connected with the fixed bin 1, the small gear 35 is fixedly arranged on the second rotating shaft 36, the small gear 35 is meshed with the large gear 34, the safety rope 37 is pulled through the movement of a worker, the take-up reel 32 is further driven to rotate, the safety rope 37 is contracted through the rebound action of the torsion spring 33 after the construction is finished, the use of the worker is facilitated, and the movement flexibility in the construction is improved;

in this embodiment: the anti-falling mechanism 2 comprises a fixed frame 21, an electromagnet 22, a pressing block 23, a fixed sleeve 24, a sliding sleeve 25, rolling balls 26, sliding rails 27, a jacking block 28, a first spring 29, a button 210, a rotating disc 211 and a second spring 212, wherein the fixed frame 21 is arranged below the fixed bin 1, the electromagnet 22 is arranged at the upper end of the fixed frame 21, the fixed sleeve 24 is fixedly arranged inside the fixed frame 21, the sliding sleeve 25 is slidably arranged inside the fixed sleeve 24, three rolling balls 26 are rotatably arranged between the fixed sleeve 24 and the sliding sleeve 25, the three rolling balls 26 are circumferentially arranged with circle centers, the pressing block 23 is arranged above the rolling balls 26, the pressing block 23 is slidably connected with the sliding sleeve 25, the second spring 212 is fixedly connected between the pressing block 23 and the fixed frame 21, the rotating disc 211 is fixedly connected with the second rotating shaft 36, four sliding rails 27 are circumferentially arranged inside the rotating disc 211, the jacking block 28 is slidably arranged inside the sliding rails 27, a first spring 29 is connected between the jacking blocks 28 and the sliding rail 27, buttons 210 are arranged on one sides, far away from each other, of the four jacking blocks 28, the buttons 210 are fixedly connected with a rotating disc 211, a safety buckle is rotatably arranged at the upper end of the fixed bin 1, the fixed sleeve 24 and the sliding sleeve 25 are made of aluminum materials, the pressing block 23 is made of iron, the sliding sleeve 25 and the lower end of the fixed sleeve 24 are tapered, when a worker falls, the rotating disc 211 is enabled to rapidly rotate, the generated centrifugal force pushes the internal jacking blocks 28 to slide outwards, when the button 210 is touched, the electromagnet 22 is enabled to lose magnetism, the second spring 212 pushes the pressing block 23 to downwards move to press the rolling balls 26, the safety rope 37 in clamping is effectively locked to prevent the worker from falling through sliding fit between the rolling balls 26 and the fixed sleeve 24, the safety of the worker is enhanced during construction, the flexibility and the practicability of the device are improved.

Working principle: the device is fixed on the working position through the safety buckle, one end of the safety rope 37 is used for safely binding a worker, the safety rope 37 is pulled through the movement of the worker, the take-up reel 32 is driven to rotate, the rebound effect of the torsion spring 33 is used for shrinking the safety rope 37 after construction is finished, when the device is normally used, the electromagnet 22 is electrified to have magnetism, the second spring 212 and the pressing block 23 are driven to move upwards, the sliding sleeve 25 is driven to lift upwards when the pressing block 23 moves upwards, the rolling balls 26 are further moved upwards to be separated from each other, the safety rope 37 is not bound, the worker drives the safety rope 37 to normally perform construction, the take-up reel 32 is enabled to rotate fast when the worker falls, the large gear 34 is driven to rotate through the first rotating shaft 31, the gear 35 is meshed with the pinion 35, the rotating reel 211 is driven to rotate fast, the centrifugal force generated pushes the inside plurality of top blocks 28 to slide outwards, the electromagnet 22 is powered off to be magnetism when the button 210 is touched, the second spring 212 is driven to move downwards, the pressing block 23 is pushed to press the rolling balls 26 upwards, the rolling balls 26 are further pressed down, the safety rope 37 is prevented from being clamped by the fact that the worker is matched with the rolling balls 24 to fall, and the safety rope is effectively prevented from being clamped, and the safety device is effectively prevented from being used by the worker to be used to be firmly and firmly clamped.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a safety device, includes fixed storehouse (1), the inside traction mechanism (3) that are provided with in fixed storehouse (1), its characterized in that: the anti-falling device also comprises an anti-falling mechanism (2), wherein the anti-falling mechanism (2) is positioned below the fixed bin (1);

the anti-falling mechanism (2) comprises a fastening component used for locking a rope and a triggering component used for providing a triggering signal for the fastening component;

the fastening assembly comprises a fixed frame (21), an electromagnet (22) is arranged at the upper end of the fixed frame (21), a fixed sleeve (24) is fixedly arranged in the fixed frame (21), a sliding sleeve (25) is arranged in the fixed sleeve (24) in a sliding mode, a plurality of rolling balls (26) are arranged between the sliding sleeve (25) and the fixed sleeve (24) in a rolling mode, the rolling balls (26) are arranged in a circle center surrounding mode, a pressing block (23) is arranged above the rolling balls (26), a second spring (212) is fixedly connected between the pressing block (23) and the fixed frame (21), and the lower end of the sliding sleeve (25) and the lower end of the fixed sleeve (24) are all conical.

2. A fall arrest device according to claim 1, wherein: the trigger assembly comprises a rotating disc (211), the rotating disc (211) is arranged inside the fixed bin (1), a plurality of sliding rails (27) are arranged inside the rotating disc (211), top blocks (28) are arranged inside the sliding rails (27), first springs (29) are connected between the top blocks (28) and the sliding rails (27), and a plurality of buttons (210) are fixedly arranged on the inner wall of the rotating disc (211).

3. A fall arrest device according to claim 2, wherein: the traction mechanism (3) comprises a first rotating shaft (31), the first rotating shaft (31) is rotationally arranged inside the fixed bin (1), a take-up reel (32) is fixedly arranged on the first rotating shaft (31), a safety rope (37) is wound on the take-up reel (32), a torsion spring (33) is fixedly arranged between the take-up reel (32) and the fixed bin (1), a large gear (34) is arranged in front of the take-up reel (32), a second rotating shaft (36) is arranged below the first rotating shaft (31), a pinion (35) is fixedly arranged on the second rotating shaft (36), and the large gear (34) is meshed with the pinion (35).

4. A fall arrest device according to claim 3, wherein: the fixing sleeve (24) and the sliding sleeve (25) are both made of aluminum materials, and the pressing block (23) is made of iron.

5. A fall arrest device according to claim 3, wherein: the rotating disc (211) is fixedly connected with the second rotating shaft (36), and the button (210) is triggered to enable the electromagnet (22) to be powered off and lose magnetism.

6. A fall arrest device according to claim 3, wherein: the large gear (34) has a diameter larger than the small gear (35).

7. A fall arrest device according to claim 3, wherein: the large gear (34) is fixedly connected with the first rotating shaft (31), and a safety buckle is rotatably arranged at the upper end of the fixed bin (1).