CN219045325U

CN219045325U - Anti-falling safety net for building construction

Info

Publication number: CN219045325U
Application number: CN202222530228.4U
Authority: CN
Inventors: 张鹏; 李燕; 郭洪亮
Original assignee: Shandong Huimin Kunpeng Network Industry Co ltd
Current assignee: Shandong Huimin Kunpeng Network Industry Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-19
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses an anti-falling safety net for building construction, and relates to the technical field of safety nets. The anti-falling safety net for building construction comprises a mounting frame, wherein a winding roller is rotatably mounted on the inner wall of the mounting frame, one end of a pull rope is fixedly connected to the arc-shaped outer wall of the winding roller, the safety net is fixedly connected to the other end of the pull rope, and a blocking mechanism is arranged on the lower surface of the mounting frame. This construction safety net that weighs down, appear shaking repeatedly when hitting in order to avoid the safety net to receive the thing of weighing down, reduce the result of use of safety net, through being provided with blocking mechanism, cooperation elastic component and connecting rod, so that the blocking plate plays the retarding effect to the trend of stay cord upward movement, reduce the stay cord and make the speed of movement by the wind-up roll rolling, thereby reduce the safety net and receive the trend of striking back upward movement, and then reduce the kinetic energy when the thing is weighed down on the safety net and strike, improve the result of use of safety net.

Description

Anti-falling safety net for building construction

Technical Field

The utility model relates to the technical field of safety nets, in particular to an anti-falling safety net for building construction.

Background

In the external building construction area, in order to prevent high altitude parabolic matters or protect the personal safety of constructors, a safety net is required to be installed on the outer wall of a building unit so as to achieve a blocking effect on articles and personnel falling from high altitude, and the articles and personnel falling directly are prevented from being on the ground, so that safety threat is brought to a construction site.

When the existing safety net is used under construction, the safety net is provided with a certain buffer device so as to prevent the safety net from being difficult to effectively protect after being impacted, but the safety net has an upward return movement trend after being impacted by a falling object at high altitude, so that repeated bouncing of the falling object can occur when the falling object is hit on the safety net, the blocking effect of the safety net is reduced, and meanwhile, the situation in the falling external environment can occur due to bouncing of the falling object; in view of this, we propose a construction safety net that prevents weighing down.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a building construction anti-falling safety net, which solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a building construction prevents weighing down safety net, includes the mounting bracket, the inner wall of mounting bracket rotates installs the wind-up roll, fixedly connected with stay cord's one end on the arc outer wall of wind-up roll, the other end fixedly connected with safety net of stay cord, the tip of the inner wall fixedly connected with spiral spring of mounting bracket, the other end fixedly connected with of spiral spring is on the arc outer wall of wind-up roll, the lower surface of mounting bracket is provided with blocking mechanism, blocking mechanism includes:

the lower surface of the mounting frame is rotatably provided with an adjusting knob, and the upper surface of the adjusting knob is fixedly connected with the bottom end of the worm;

the inner wall of the mounting frame is rotatably provided with a bidirectional threaded rod, the bidirectional threaded rod penetrates through a worm wheel, and the outer wall of the bidirectional threaded rod is in threaded connection with a threaded sliding block;

the connecting rod, the lower surface of screw thread slider articulates there is the top of connecting rod, the bottom fixed mounting of connecting rod has the retardant board, the lower surface of mounting bracket articulates there is the top of elastic component, the bottom of elastic component articulates on the inner wall of connecting rod.

Preferably, the number of the thread sliders is two, and the two thread sliders are symmetrically arranged by taking the central axis of the bidirectional threaded rod as a symmetrical axis.

Preferably, the outer wall of the blocking plate is provided with a layer of rough surface treated rubber pad.

Preferably, the elastic piece is composed of a telescopic piece with freely telescopic length and a spring.

Preferably, the inside of mounting bracket is provided with guiding mechanism and is including the fixing base, the top fixed mounting of fixing base is on the top inner wall of mounting bracket, the top of bull stick is installed in the top inner wall rotation of fixing base, the top of the top inner wall fixedly connected with volute spring two of fixing base, the bottom fixed connection of volute spring two is on the arc outer wall of bull stick, the bottom fixed mounting of bull stick has the upper surface of mounting panel, the lower fixed surface of mounting panel has the curb plate, the lateral wall rotation of curb plate installs the guide wheel.

Preferably, the lower surface of the mounting frame is provided with a through hole with the diameter larger than the outer diameter of the pull rope.

(III) beneficial effects

The utility model provides an anti-falling safety net for building construction. The beneficial effects are as follows:

(1) When the anti-falling safety net for building construction is used, repeated shaking occurs when the safety net is hit by falling objects, the using effect of the safety net is reduced, the blocking mechanism is arranged, the elastic piece and the connecting rod are matched, the blocking effect is achieved on the trend of the upward movement of the pull rope by the blocking plate, the movement speed of the pull rope due to the winding of the winding roller is reduced, the trend of the upward movement of the safety net after the impact is reduced, the kinetic energy of the falling objects on the safety net during the impact is reduced, and the using effect of the safety net is improved.

(2) When the building construction anti-falling safety net is used, excessive abrasion of the pull rope is avoided when the pull rope is driven, the guide mechanism is arranged, the spiral spring II is matched, the guide wheel can change the direction of the guide wheel in the mounting frame according to the winding progress of the pull rope, friction between the pull rope and the guide wheel is reduced, the movement efficiency of the pull rope is further guaranteed, and the service life of the pull rope is prolonged.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a partial top view cross-section of the mounting bracket of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure of a region a in fig. 2 according to the present utility model.

In the figure: 1. a mounting frame; 2. a wind-up roll; 3. a pull rope; 4. a safety net; 5. a first volute spring; 6. a blocking mechanism; 61. an adjustment knob; 62. a worm; 63. a two-way threaded rod; 64. a worm wheel; 65. a thread slider; 66. a connecting rod; 67. a blocking plate; 68. an elastic member; 7. a guide mechanism; 71. a fixing seat; 72. a rotating rod; 73. a spiral spring II; 74. a mounting plate; 75. a side plate; 76. and a guide wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a building construction anti-falling safety net, which comprises a mounting frame 1, wherein a wind-up roller 2 is rotatably installed on the inner wall of the mounting frame 1, one end of a pull rope 3 is fixedly connected to the arc-shaped outer wall of the wind-up roller 2, the other end of the pull rope 3 is fixedly connected with a safety net 4, the inner wall of the mounting frame 1 is fixedly connected with the end part of a spiral spring I5, the other end of the spiral spring I5 is fixedly connected to the arc-shaped outer wall of the wind-up roller 2, a blocking mechanism 6 is arranged on the lower surface of the mounting frame 1, the blocking mechanism 6 comprises an adjusting knob 61, the adjusting knob 61 is rotatably installed on the lower surface of the mounting frame 1, the upper surface of the adjusting knob 61 is fixedly connected with the bottom end of a worm 62, a bidirectional threaded rod 63 is rotatably installed on the inner wall of the mounting frame 1, the bidirectional threaded rod 63 penetrates through a worm gear 64, the worm gear 64 is fixedly connected with the bidirectional threaded rod 63, the outer wall of the bidirectional threaded rod 63 is fixedly connected with a threaded slider 65, the lower surface of the threaded slider 65 is hinged with the top end of a connecting rod 66, the bottom end of the connecting rod 66 is fixedly installed with a blocking plate 67, the bottom surface of the spiral spring 68 is hinged to the top end of the mounting frame, the bottom surface of the mounting frame is hinged with the bottom end of the connecting rod 68 is hinged on the inner wall of the connecting rod 66.

In one embodiment of the utility model, the pull ropes 3 are wound on the arc-shaped outer wall of the wind-up roll 2, meanwhile, four groups of pull ropes 3 are arranged, the four groups of pull ropes 3 are distributed at four vertex angles of the safety net 4 in a rectangular array, in addition, the first spiral spring 5 is sleeved on the outer side of the wind-up roll 2, so that the first spiral spring 5 can provide a more stable transmission effect for the wind-up roll 2, further, the worm wheel 64 is meshed with the worm 62 and realizes transmission, specifically, by rotating the adjusting knob 61 and matching with the worm 62, the worm wheel 64 drives the bidirectional threaded rod 63 serving as a rotating shaft thereof to rotate, in addition, the number of the threaded sliding blocks 65 is set to be two groups, the two groups of threaded sliding blocks 65 are symmetrically arranged by taking the central axis of the bidirectional threaded rod 63 as a symmetrical axis, so that when the bidirectional threaded rod 63 is rotated, the two groups of threaded sliding blocks 65 keep opposite directions or move, further, the outer wall of the blocking plate 67 is provided with a layer of rough surface treated rubber pad so as to increase static friction force between the pull ropes 3 and the blocking plate 67, meanwhile, the elastic piece 68 adopts a length-free telescopic piece and the elastic piece so that the elastic piece 68 can be well extruded by the elastic piece 1 or the elastic piece 1 can be provided with a large diameter when the elastic piece is provided with the elastic piece 1, and the elastic piece is provided with the elastic piece.

In addition, in order to avoid excessive wear of the pull rope 3 during transmission, the guide mechanism 7 is arranged in the installation frame 1 and comprises a fixing seat 71, the top end of the fixing seat 71 is fixedly arranged on the top inner wall of the installation frame 1, the top end of the rotating rod 72 is rotatably arranged on the top inner wall of the fixing seat 71, the top end of the spiral spring II 73 is fixedly connected with the top end of the spiral spring II, the bottom end of the spiral spring II 73 is fixedly connected to the arc-shaped outer wall of the rotating rod 72, the bottom end of the rotating rod 72 is fixedly provided with the upper surface of the installation plate 74, the lower surface of the installation plate 74 is fixedly provided with a side plate 75, the side wall of the side plate 75 is rotatably provided with a guide wheel 76, and particularly the spiral spring II 73 is sleeved on the outer side of the rotating rod 72 so that the rotating rod 72 can obtain a more stable transmission effect, and further the guide wheel 76 is in transmission connection with the pull rope 3 to change the moving direction of the pull rope 3.

In the utility model, during use, the mounting frame 1 is fixedly arranged on the outer wall of a building to play a safety protection effect for the outer space of the building, so that the ground is prevented from being influenced by falling objects at high altitude, further, in order to prevent the safety net 4 from repeated shaking when being hit by falling objects, the use effect of the safety net 4 is reduced, the blocking mechanism 6 is arranged, the elastic piece 68 and the connecting rod 66 are matched, so that the blocking plate 67 plays a blocking effect on the upward movement trend of the pull rope 3, the movement speed of the pull rope 3 caused by winding by the winding roller 2 is reduced, the upward movement trend of the safety net 4 after being impacted is reduced, the kinetic energy of falling objects on the safety net 4 is reduced, the use effect of the safety net 4 is improved, in addition, in order to prevent excessive abrasion of the pull rope 3 during transmission, the guide mechanism 7 is arranged, the spiral spring two 73 is matched, so that the friction between the pull rope 3 and the guide pulley 76 can be changed according to the winding direction of the pull rope 3 in the mounting frame 1, the movement efficiency of the pull rope 3 is reduced, and the service life of the pull rope 3 is further ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building construction anti-falling safety net, includes mounting bracket (1), wind-up roll (2) are installed in the inner wall rotation of mounting bracket (1), fixedly connected with stay cord (3) one end on the arc outer wall of wind-up roll (2), the other end fixedly connected with safety net (4) of stay cord (3), the tip of the inner wall fixedly connected with spiral spring one (5) of mounting bracket (1), the other end fixedly connected with of spiral spring one (5) is on the arc outer wall of wind-up roll (2), its characterized in that: the lower surface of mounting bracket (1) is provided with blocking mechanism (6), blocking mechanism (6) include:

the adjusting knob (61) is rotatably arranged on the lower surface of the mounting frame (1), and the bottom end of the worm (62) is fixedly connected to the upper surface of the adjusting knob (61);

the double-direction threaded rod (63), the inner wall of the mounting frame (1) is rotatably provided with the double-direction threaded rod (63), the double-direction threaded rod (63) penetrates through a worm wheel (64), and the outer wall of the double-direction threaded rod (63) is in threaded connection with a threaded sliding block (65);

the connecting rod (66), the lower surface of screw slider (65) articulates there is the top of connecting rod (66), the bottom fixed mounting of connecting rod (66) has retardant board (67), the lower surface of mounting bracket (1) articulates there is the top of elastic component (68), the bottom of elastic component (68) articulates on the inner wall of connecting rod (66).

2. The safety net for preventing falling in building construction according to claim 1, wherein: the number of the thread sliding blocks (65) is two, and the two groups of thread sliding blocks (65) are symmetrically arranged by taking the central axis of the bidirectional threaded rod (63) as a symmetry axis.

3. The safety net for preventing falling in building construction according to claim 1, wherein: the outer wall of the blocking plate (67) is provided with a layer of rough surface treated rubber pad.

4. The safety net for preventing falling in building construction according to claim 1, wherein: the elastic piece (68) is composed of a telescopic piece with freely telescopic length and a spring.

5. The safety net for preventing falling in building construction according to claim 1, wherein: the inside of mounting bracket (1) is provided with guiding mechanism (7) including fixing base (71), the top fixed mounting of fixing base (71) is on the top inner wall of mounting bracket (1), the top of bull stick (72) is installed in the top inner wall rotation of fixing base (71), the top of top inner wall fixedly connected with spiral spring two (73) of fixing base (71), the bottom fixed connection of spiral spring two (73) is on the arc outer wall of bull stick (72), the upper surface of mounting panel (74) is installed to the bottom fixed mounting of bull stick (72), the lower fixed surface of mounting panel (74) installs curb plate (75), the lateral wall rotation of curb plate (75) is installed guide wheel (76).

6. The safety net for preventing falling in building construction according to claim 1, wherein: the lower surface of the mounting frame (1) is provided with a through hole with the diameter larger than the outer diameter of the pull rope (3).