CN211772918U

CN211772918U - Bridge construction anti-falling structure

Info

Publication number: CN211772918U
Application number: CN202020443975.2U
Authority: CN
Inventors: 杨宝荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-27
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a structure that falls is prevented in bridge construction, including two backup pads, the backup pad comprises fixed box and the movable plate that the top set up for the opening, and the bottom of movable plate and the top movable contact of the fixed box that corresponds are equipped with same anti-falling net between two movable plates, and the equal fixed mounting in both sides of preventing falling the net has two couples, and the equal fixed mounting in one side that two movable plates are close to each other has two links, and the couple hangs the dress mutually with the link that corresponds, the bottom fixed mounting of fixed box has a plurality of inserted bars, and the bottom of inserted bar is established to the toper structure. The utility model discloses simple structure, convenient operation is convenient for adjust the height of preventing weighing down the net according to reality to make prevent weighing down the net and be adapted to not the bridge of co-altitude, prevent that construction waste or personnel's impact force from causing greatly to prevent weighing down the net and damage, reduced the volume of backup pad simultaneously, portable is favorable to the use.

Description

Bridge construction anti-falling structure

Technical Field

The utility model relates to a prevent equipment technical field that falls, especially relate to a structure is prevented falling in bridge construction.

Background

At present, in the construction process of a bridge, because guard rails of most bridges are not high, construction waste or personnel are easy to fall, and safety accidents are caused, safety nets are often erected below the bridge, most of the existing bridge construction falling prevention structures are composed of two fixing plates, inserting rods, falling prevention nets, hooks, hanging rings and the like, the fixing plates are inserted into soil through the inserting rods, the falling prevention nets are located below the bridge, and the construction waste or the personnel are effectively prevented from falling onto the ground to cause the safety accidents;

however, the height of the existing anti-falling net is not convenient to adjust according to actual needs, when the distance between the anti-falling net and the bridge is large, when construction waste or personnel fall on the anti-falling net, under the action of gravity acceleration, the impact force of the construction waste or the personnel is large, the anti-falling net is easy to damage, the anti-falling net cannot adapt to bridges with different heights, the use requirements cannot be met, and therefore the anti-falling structure for bridge construction is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the structure of falling is prevented in bridge construction that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bridge construction falling-prevention structure comprises two supporting plates, wherein each supporting plate is composed of a fixed box and a movable plate, the top of each fixed box is provided with an opening, the bottom of each movable plate is in movable contact with the top of the corresponding fixed box, a same falling-prevention net is arranged between the two movable plates, two hooks are fixedly arranged on two sides of the falling-prevention net, two hanging rings are fixedly arranged on one sides, close to each other, of the two movable plates, the hooks are hung on the corresponding hanging rings, a plurality of inserting rods are fixedly arranged at the bottom of each fixed box, the bottom ends of the inserting rods are of a conical structure, screw rods are rotatably arranged on the front inner wall and the rear inner wall of each fixed box respectively, one ends, close to each other, of the two screw rods of the same fixed box are welded, the screw threads of the two screw rods of the same fixed box are opposite in rotating direction, a movable block is sleeved on the screw, the top of the moving block is slidably mounted with the bottom of the corresponding cross rod, the cross rod is positioned above the corresponding two screw rods, two fixed rods are fixedly mounted at the top of the cross rod, a vertical rod is slidably sleeved on the fixed rods, the top ends of the vertical rods are fixedly connected with the bottom of the corresponding moving plate, two connecting rods are fixedly mounted at the top of the cross rod, the two vertical rods positioned in the same fixed box are positioned between the two connecting rods, a first fixed pulley is rotatably mounted at the top end of each connecting rod, a first rectangular hole is formed in the front side of each connecting rod, the same positioning rod is fixedly mounted between the inner wall of the top of the first rectangular hole and the inner wall of the bottom of the first rectangular hole, a connecting block is fixedly mounted at the bottom of the side, away from each other, of the two vertical rods positioned in the same fixed box, one side, away from the corresponding vertical rod, of the connecting, the spring movable sleeve is arranged on the corresponding positioning rods in a sleeved mode, the bottom of the cross rod is rotatably provided with two second fixed pulleys, flexible steel ropes are fixedly arranged on one sides, away from each other, of the two moving blocks in the same fixed box, one ends, away from the corresponding moving blocks, of the flexible steel ropes sequentially bypass the bottoms of the second fixed pulleys and the tops of the first fixed pulleys and are fixedly connected with the tops of the connecting blocks, and the cross rod sleeves the corresponding two flexible steel ropes.

Preferably, a threaded hole is formed in the front side of the moving block and is in threaded connection with the corresponding screw.

Preferably, the top of the moving block is provided with a T-shaped sliding groove with an opening at both the front side and the rear side, the bottom of the cross bar is fixedly provided with a T-shaped sliding rail, and the T-shaped sliding groove is slidably connected with the corresponding T-shaped sliding rail.

Preferably, the rocking disc is arranged on the rear side of the fixed box, and one end, far away from the other screw, of one screw in the two screws in the same fixed box extends out of the fixed box and is fixedly connected with the front side of the rocking disc.

Preferably, a second rectangular hole is formed in the top of the connecting block, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the corresponding positioning rod.

Preferably, equal fixed mounting has first bearing on the front side inner wall of fixed box and the rear side inner wall, the fixed suit in the outside of the inner circle of first bearing and the screw rod that corresponds, fixed mounting has the fixed block on the bottom inner wall of fixed box, and the front side of fixed block is opened and is equipped with the circular port, and the circular port internal fixation cover is equipped with the second bearing, the fixed suit in the outside of the inner circle of second bearing and two screw rods that correspond.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the arranged fixed box, the movable plate, the anti-falling net, the inserted link, the screw rods, the movable block, the cross rods, the fixed rods, the vertical rods, the connecting rods, the first fixed pulleys, the first rectangular holes, the positioning rods, the springs, the connecting blocks and the flexible steel ropes, the fixed box is fixed by inserting the inserted links into soil, when the height of the anti-falling net needs to be increased, the forward rotating rocking disc drives the corresponding screw rod to rotate, one screw rod drives the other screw rod welded with the screw rod to rotate, the screw rod rotates to drive the corresponding movable block to move, the movable block drives the connecting blocks to move upwards through the corresponding flexible steel ropes, the connecting blocks slide on the corresponding positioning rods and compress the springs, the connecting blocks drive the corresponding vertical rods to move, the two vertical rods in the same fixed box drive the same movable plate to move upwards, the movable plate drives the corresponding hanging rings to move upwards, and, four couples drive same and prevent weighing down net rebound, when preventing weighing down net rebound to suitable position, the stall rocking disc for prevent weighing down the net and being fixed, when not using, the same reason antiport rocking disc makes the bottom of movable plate and the top of fixed box contact, has reduced the volume of backup pad, has reached portable's function.

The utility model discloses simple structure, convenient operation is convenient for adjust the height of preventing weighing down the net according to reality to make prevent weighing down the net and be adapted to not the bridge of co-altitude, prevent that construction waste or personnel's impact force from causing greatly to prevent weighing down the net and damage, reduced the volume of backup pad simultaneously, portable is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a bridge construction anti-falling structure provided by the utility model;

FIG. 2 is a schematic right sectional view of the stationary box and the moving plate of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the anti-falling device comprises a fixed box 1, a moving plate 2, an anti-falling net 3, an inserting rod 4, a screw rod 5, a moving block 6, a cross rod 7, a fixed rod 8, a vertical rod 9, a connecting rod 10, a first fixed pulley 11, a first rectangular hole 12, a positioning rod 13, a spring 14, a connecting block 15 and a flexible steel rope 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a bridge construction anti-falling structure comprises two support plates, each support plate is composed of a fixed box 1 and a movable plate 2, the top of each fixed box 1 is provided with an opening, the bottom of each movable plate 2 is movably contacted with the top of the corresponding fixed box 1, a same anti-falling net 3 is arranged between the two movable plates 2, two hooks are fixedly arranged on both sides of the anti-falling net 3, two hanging rings are fixedly arranged on the mutually close sides of the two movable plates 2, the hooks are hung on the corresponding hanging rings, a plurality of inserting rods 4 are fixedly arranged at the bottom of the fixed box 1, the bottom ends of the inserting rods 4 are of a conical structure, screw rods 5 are rotatably arranged on the front inner wall and the rear inner wall of the fixed box 1, one ends of the two screw rods 5 positioned on the same fixed box 1, which are mutually close, the screw threads of the two screw rods 5 positioned on the same fixed box 1 are opposite in, the fixed box comprises a fixed box 1, a fixed block 6, a movable block, two fixed rods 7, two fixed rods 8, a first fixed pulley 11, a first rectangular hole 12, a first positioning rod 13, a connecting block 15, a second rectangular hole 12, a second positioning rod 13, a connecting block 15 and a connecting block 15, wherein the same transverse rod 7 is fixedly installed between the front inner wall and the rear inner wall of the fixed box 1, the top of the movable block 6 is slidably installed at the bottom of the corresponding transverse rod 7, the transverse rod 7 is positioned above the corresponding two screw rods 5, the top of the transverse rod 7 is fixedly installed with the two fixed rods 8, the vertical rods 9 are slidably sleeved on the fixed rods 8, the top ends of the vertical rods 9 are fixedly connected with the bottom of the corresponding movable plate 2, the top ends of the two connecting rods 10 are fixedly connected with the top of the movable plate 10, the two vertical rods 9 positioned in the same fixed box 1 are, one side of the connecting block 15 far away from the corresponding vertical rod 9 extends into the first rectangular hole 12, the connecting block 15 is slidably sleeved on the corresponding positioning rod 13, the same spring 14 is fixedly arranged between the top of the connecting block 15 and the inner wall of the top of the corresponding first rectangular hole 12, the spring 14 is movably sleeved on the corresponding positioning rod 13, two second fixed pulleys are rotatably arranged at the bottom of the cross rod 7, flexible steel ropes 16 are fixedly arranged at the sides, far away from each other, of the two moving blocks 6 in the same fixed box 1, one end of each flexible steel rope 16 far away from the corresponding moving block 6 sequentially bypasses the bottoms of the second fixed pulleys and the top of the first fixed pulley 11 and is fixedly connected with the top of the connecting block 15, and the cross rod 7 is sleeved on the corresponding two flexible steel ropes 16. Therefore, the anti-falling net 3 is suitable for bridges with different heights, prevents the anti-falling net from being damaged due to large impact force of construction waste or personnel, reduces the volume of the supporting plate, is convenient to carry and is beneficial to use.

In the utility model, the front side of the moving block 6 is provided with a threaded hole which is in threaded connection with the corresponding screw 5, the top of the moving block 6 is provided with a T-shaped chute with the front side and the rear side both being open, the bottom of the cross bar 7 is fixedly provided with a T-shaped slide rail which is in sliding connection with the corresponding T-shaped slide rail, the rear side of the fixed box 1 is provided with a rocking disc, one end of one screw 5 of the two screw 5 which is far away from the other screw 5 in the same fixed box 1 extends out of the fixed box 1 and is fixedly connected with the front side of the rocking disc, the top of the connecting block 15 is provided with a second rectangular hole, the inner wall of the second rectangular hole is in sliding connection with the outer side of the corresponding positioning rod 13, the inner wall of the front side and the inner wall of the rear side of the fixed box 1 are both fixedly provided with first bearings, the inner ring of the first bearings is fixedly sleeved with the outer side of the corresponding, the circular port has been opened to the front side of fixed block, and the circular port internal fixation cover is equipped with the second bearing, the fixed suit in the outside of the inner circle of second bearing and two screw rods 5 that correspond, the utility model discloses simple structure, convenient operation is convenient for highly adjust preventing weighing down net 3 according to actual to make prevent weighing down net 3 and be adapted to not co-altitude bridge, prevent that construction waste or personnel's impact force from appearing and greatly cause and prevent weighing down the net damage, has reduced the volume of backup pad simultaneously, and portable is favorable to the use.

The working principle is as follows: when the anti-falling net is used, the fixed box 1 is moved to a proper position, the inserted link 4 is inserted into soil, so that the fixed box 1 is fixed, when the height of the anti-falling net 3 needs to be increased, the rocking disc is rotated in the forward direction, the rocking disc drives a corresponding screw 5 to rotate, one screw 5 drives the other screw 5 welded with the screw to rotate, under the action of a threaded hole formed in the moving block 6, the screw 5 rotates to drive a corresponding moving block 6 to move, the moving block 6 slides on a corresponding T-shaped sliding rail, the moving block 6 moves towards the direction close to a corresponding fixed block, the moving block 6 drives a corresponding flexible steel rope 16 to move, the flexible steel rope 16 sequentially slides at the bottom of a corresponding second fixed pulley and the top of a corresponding first fixed pulley 11 and drives a connecting block 15 to move upwards, the connecting block 15 slides on a corresponding positioning rod 13, the connecting block 15 compresses a corresponding spring 14 in the moving process, the connecting block 15 drives the corresponding vertical rod 9 to move, the vertical rod 9 slides on the corresponding fixed rod 8, two vertical rods 9 positioned in the same fixed box 1 drive the same movable plate 2 to move upwards, the movable plate 2 drives the corresponding hanging ring to move, the hanging ring drives the corresponding hook to move upwards, four hooks drive the same anti-falling net 3 to move upwards, when the anti-falling net 3 moves upwards to a proper position, the rotation of the rocking disc is stopped, at the moment, the anti-falling net 3 is fixed under the action of the screw rod 5 and the self thread locking damping force of the threaded hole, so that the function of adjusting the height of the anti-falling net 3 is achieved, the distance between the anti-falling net 3 and a bridge is reduced, the anti-falling net 3 is prevented from being damaged due to the large impact force of construction waste or personnel when the construction waste or personnel falls onto the anti-falling net 3, and simultaneously, the rocking disc is rotated reversely in the same way to enable the bottom of the movable plate, the volume of the supporting plate is reduced, and the function of convenient carrying is achieved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bridge construction anti-falling structure comprises two supporting plates, wherein each supporting plate is composed of a fixed box (1) and a movable plate (2) with the tops arranged in an opening mode, the bottoms of the movable plates (2) are in movable contact with the tops of the corresponding fixed boxes (1), a same anti-falling net (3) is arranged between the two movable plates (2), two hooks are fixedly arranged on two sides of the anti-falling net (3), two hanging rings are fixedly arranged on one sides, close to each other, of the two movable plates (2), and the hooks are hung with the corresponding hanging rings, and the bridge construction anti-falling structure is characterized in that a plurality of inserting rods (4) are fixedly arranged at the bottoms of the fixed boxes (1), the bottoms of the inserting rods (4) are of conical structures, screw rods (5) are rotatably arranged on the inner wall of the front side and the inner wall of the rear side of the fixed box (1), and one ends, close to each other, of the two screw rods (, the screw thread turning directions of two screw rods (5) positioned in the same fixed box (1) are opposite, a moving block (6) is sleeved on the screw rods (5) in a threaded manner, the same cross rod (7) is fixedly installed between the front inner wall and the rear inner wall of the fixed box (1), the top of the moving block (6) is slidably installed at the bottom of the corresponding cross rod (7), the cross rod (7) is positioned above the two corresponding screw rods (5), two fixed rods (8) are fixedly installed at the top of the cross rod (7), a vertical rod (9) is slidably sleeved on the fixed rods (8), the top end of each vertical rod (9) is fixedly connected with the bottom of the corresponding moving plate (2), two connecting rods (10) are fixedly installed at the top of each cross rod (7), the two vertical rods (9) positioned in the same fixed box (1) are positioned between the two connecting rods (10), and a first fixed pulley (11) is rotatably installed, a first rectangular hole (12) is formed in the front side of the connecting rod (10), the same positioning rod (13) is fixedly installed between the top inner wall and the bottom inner wall of the first rectangular hole (12), connecting blocks (15) are fixedly installed at the bottoms of the mutually-far sides of two vertical rods (9) in the same fixing box (1), one sides, far away from the corresponding vertical rods (9), of the connecting blocks (15) extend into the first rectangular hole (12), the connecting blocks (15) are sleeved on the corresponding positioning rods (13) in a sliding mode, the same spring (14) is fixedly installed between the top of each connecting block (15) and the top inner wall of the corresponding first rectangular hole (12), the springs (14) are movably sleeved on the corresponding positioning rods (13), two second fixed pulleys are installed at the bottom of the transverse rod (7) in a rotating mode, flexible steel ropes (16) are fixedly installed at the mutually-far sides of two movable blocks (6) in the same fixing box (1), one end of each flexible steel rope (16), which is far away from the corresponding moving block (6), sequentially rounds the bottom of the second fixed pulley and the top of the first fixed pulley (11) and is fixedly connected with the top of the connecting block (15), and the cross rod (7) is sleeved on the corresponding two flexible steel ropes (16).

2. The bridge construction falling prevention structure as claimed in claim 1, wherein a threaded hole is opened at the front side of the moving block (6), and the threaded hole is in threaded connection with the corresponding screw (5).

3. The bridge construction falling prevention structure according to claim 1, wherein the top of the moving block (6) is provided with a T-shaped sliding groove with an opening at both the front side and the rear side, the bottom of the cross bar (7) is fixedly provided with a T-shaped sliding rail, and the T-shaped sliding groove is slidably connected with the corresponding T-shaped sliding rail.

4. The bridge construction anti-falling structure according to claim 1, wherein a rocking disc is arranged at the rear side of the fixing box (1), and one end, away from the other screw (5), of one screw (5) of the two screws (5) in the same fixing box (1) extends out of the fixing box (1) and is fixedly connected with the front side of the rocking disc.

5. The bridge construction anti-falling structure according to claim 1, wherein a second rectangular hole is formed in the top of the connecting block (15), and the inner wall of the second rectangular hole is slidably connected with the outer side of the corresponding positioning rod (13).

6. The bridge construction falling-prevention structure according to claim 1, wherein a first bearing is fixedly mounted on each of the front inner wall and the rear inner wall of the fixing box (1), an inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding screw (5), a fixing block is fixedly mounted on the bottom inner wall of the fixing box (1), a circular hole is formed in the front side of the fixing block, a second bearing is fixedly sleeved in the circular hole, and an inner ring of the second bearing is fixedly sleeved with the outer sides of the corresponding two screws (5).