CN211285234U - Bridge construction anti-falling device - Google Patents

Abstract

The utility model discloses a device that falls is prevented in bridge construction, comprising a base plate and a box body, bottom plate top center department fixedly connected with box, the inside below fixedly connected with motor of box, the inside top of box is provided with a roll net reel, box top center department is provided with prevents that the net that falls collects and restraints the ring, the bottom plate top is at the equal fixedly connected with connecting block in middle part all around of box, four the one end that the bottom plate was kept away from to the connecting block is all rotated and is connected with the folding rod, four the one end that the bottom plate was kept away from to the folding rod is all rotated and is connected with the extension bar, four the one end that the folding rod was kept away from to the extension bar is binded and is connected with the net that falls, four the extension bar is. The utility model discloses in, the utility model discloses be provided with a roll net beam barrel, cooperation motor can be automatic quick will prevent falling the net and retrieve, has improved the recovery efficiency of device greatly, has strengthened the practicality of device.

Description

Bridge construction anti-falling device

Technical Field

The utility model relates to a bridge construction safety equipment technical field especially relates to a device is prevented falling in bridge construction.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and is also extended to be a building which is erected to span mountain stream, unfavorable geology or meet other traffic needs to enable the vehicles, pedestrians and the like to pass through more conveniently in order to adapt to the modern high-speed developed traffic industry.

In the in-process of bridge construction, for the safety consideration, people can set up usually and prevent the device that falls, but the device that falls that has now generally builds for scaffold and adorns the protection network again and constitute, very waste time and energy when building and dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bridge construction anti-falling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bridge construction anti-falling device comprises a bottom plate and a box body, wherein the box body is fixedly connected at the center above the bottom plate, a motor is fixedly connected at the lower part inside the box body, a net rolling shaft cylinder is arranged above the inside of the box body, a net falling prevention collecting ring is arranged at the center above the box body, connecting blocks are fixedly connected at the middle parts of the periphery of the box body above the bottom plate, one ends of the four connecting blocks, far away from the bottom plate, are rotatably connected with folding rods, one ends of the four folding rods, far away from the bottom plate, are rotatably connected with extension rods, one ends of the four extension rods, far away from the folding rods, are bound and connected with an anti-falling net, one ends of the four extension rods, near the folding rods, are fixedly connected with extension rod limiting strips, one ends of the extension rod limiting strips, far away from the extension rod, are provided with extension rod limiting fixing bayonets, one ends of the folding, the four corners position of bottom plate top all rotates and is connected with the fixed plate, four the one end that the bottom plate was kept away from to the fixed plate all is provided with set screw, the bottom plate top is four the spacing fixed fixture block of the equal fixedly connected with bottom plate in the connecting block outside, four the folding rod is at the first folding rod spacing fixed fixture block of the equal fixedly connected with in position corresponding with the spacing fixed fixture block of bottom plate, the equal fixedly connected with box spacing fixed fixture block in top middle part all around in the box outside, four the folding rod all is provided with the spacing fixed bayonet socket of second folding rod in the position corresponding with the spacing fixed fixture block of box.

As a further description of the above technical solution:

the output end of the motor is in transmission connection with the net winding shaft barrel through a transmission shaft.

As a further description of the above technical solution:

four the folding rod is font structure, and the inner space size suits with extension bar.

As a further description of the above technical solution:

the anti-falling net penetrates through the box body through the anti-falling net bundling ring and is wound on the net winding shaft barrel.

As a further description of the above technical solution:

the extension bar limiting fixing bayonet and the extension bar limiting fixing fixture block, the bottom plate limiting fixing fixture block and the first folding bar limiting fixing fixture block, the box body limiting fixing fixture block and the second folding bar limiting fixing bayonet are fixedly connected through bolts.

As a further description of the above technical solution:

both sides at both ends below the bottom plate are provided with movable wheels.

The utility model discloses following beneficial effect has:

1. the utility model discloses be provided with a roll net beam barrel, cooperation motor can be automatic quick will prevent falling the net and retrieve, has improved the recovery efficiency of device greatly, has strengthened the practicality of device.

2. The utility model discloses be provided with the extension bar, enlarged the usable floor area of leak protection net, can protect bigger scope, strengthened the practicality of device.

3. The utility model discloses be provided with set screw and remove the wheel, make the device shift in a flexible way and fix, strengthened the practicality of device greatly.

Drawings

FIG. 1 is a front cross-sectional view of a semi-recovery state of a bridge construction anti-falling device provided by the present invention;

fig. 2 is a top view of a semi-recovery state of the anti-falling device for bridge construction provided by the utility model;

fig. 3 is an enlarged view of fig. 1-a according to the present invention.

Illustration of the drawings:

1. a base plate; 2. a box body; 3. a motor; 4. a net reel drum; 5. connecting blocks; 6. a folding bar; 7. lengthening a rod; 8. a fixing plate; 9. a set screw; 10. a moving wheel; 11. the bottom plate is limited and fixed with a clamping block; 12. The first folding rod limits and fixes the clamping block; 13. the box body limits and fixes the clamping block; 14. the second folding rod limits and fixes the bayonet; 15. preventing the net from falling; 16. lengthening the rod limit strip; 17. the lengthening bar limits and fixes the bayonet; 18. The lengthening bar limits and fixes the clamping block; 19. prevent falling net and receive restraint ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a bridge construction anti-falling device comprises a bottom plate 1 and a box body 2, wherein the box body 2 is fixedly connected at the center above the bottom plate 1, a motor 3 is fixedly connected at the lower part inside the box body 2, a net rolling shaft barrel 4 is arranged above the inside of the box body 2, the anti-falling net 15 can be automatically and rapidly recovered by matching with the motor 3, the recovery efficiency of the device is greatly improved, the practicability of the device is enhanced, an anti-falling net collecting and bundling ring 19 is arranged at the center above the box body 2 and is used for collecting and bundling the anti-falling net 15 so as to facilitate rolling, connecting blocks 5 are fixedly connected at the middle parts of the periphery of the box body 2 above the bottom plate 1, one ends of the four connecting blocks 5, which are far away from the bottom plate 1, are rotatably connected with folding rods 6 to have the functions of supporting and folding lengthening rods 7, one ends of the four lengthening rods 6, which are far away from the bottom plate 1, are rotatably connected with lengthening rods 7, one ends of the four, the end of the four extension bars 7 close to the folding bar 6 is fixedly connected with an extension bar limiting strip 16, the end of the extension bar limiting strip 16 far away from the extension bar 7 is provided with an extension bar limiting fixing bayonet 17, the end of the folding bar 6 close to the extension bar 7 is fixedly connected with an extension bar limiting fixing fixture block 18 corresponding to the extension bar limiting fixing bayonet 17, the extension bar 7 is limited by the cooperation of the three parts, four corners of the upper part of the bottom plate 1 are rotatably connected with fixing plates 8, one ends of the four fixing plates 8 far away from the bottom plate 1 are respectively provided with a fixing screw 9 for fixing the whole device, the outer sides of the four connecting blocks 5 above the bottom plate 1 are respectively fixedly connected with a bottom plate limiting fixing fixture block 11, the positions of the four folding bars 6 corresponding to the bottom plate limiting fixing fixture blocks 11 are respectively fixedly connected with a first folding bar limiting fixing fixture block 12, and the two parts are, the box 2 outside all around the top middle part all fixedly connected with box spacing fixed fixture block 13, four folding rods 6 all are provided with the spacing fixed bayonet socket 14 of second folding rod in the position corresponding with box spacing fixed fixture block 13, and both cooperations are used for spacing fixedly under the recovery state.

The output of motor 3 passes through the transmission shaft and is connected with 4 transmissions of a roll screen beam barrel, four folding rod 6 are font structure, and the inner space size suits with extension bar 7, prevent falling net 15 and pass box 2 through preventing falling net binding ring 19 and convolute on a roll screen beam barrel 4, the spacing fixed bayonet socket of extension bar 17 and the spacing fixed fixture block 18 of extension bar, the spacing fixed fixture block 11 of bottom plate and the spacing fixed fixture block 12 of first folding rod, the spacing fixed fixture block 13 of box and the spacing fixed bayonet socket 14 of second folding rod all carry out fixed connection through the bolt, the both sides at 1 below both ends of bottom plate all are provided with and remove wheel 10, the utility model discloses be provided with set screw 9 and remove wheel 10, make the device shift in a flexible way and fixed, strengthened the practicality of device greatly.

The working principle is as follows: when the utility model is used, the anti-falling work is mainly carried out through the anti-falling net 15, under the state that the anti-falling net 15 is opened, the lengthening bar limiting fixing bayonet 17 of the lengthening bar limiting strip 16 is fixedly clamped with the lengthening bar limiting fixing fixture block 18 through a bolt, so that the lengthening bar 7 and the folding bar 6 are in a fixed lengthening state, the bottom plate limiting fixing fixture block 11 is clamped with the first folding bar limiting fixing fixture block 12 through a bolt, so that the anti-falling net 15 is kept in an opening state, the device is fixed through four fixing screws 9, when the device is recycled, the bolts on the first folding bar limiting fixing fixture block 12 and the lengthening bar limiting fixing bayonet 17 are taken out, the motor 3 is started to rotate the rolling net shaft cylinder 4 to carry out the net folding work, then the lengthening bar 7 is folded into the folding bar 6, and then the box body limiting fixing fixture block 13 and the second folding bar limiting fixing bayonet 14 are fixedly clamped through a bolt, finally, four fixing screws 9 are turned out, and the four fixing plates 8 are turned and folded on the bottom plate 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a device that falls is prevented in bridge construction, includes bottom plate (1) and box (2), its characterized in that: the middle part of the periphery of the box body (2) above the bottom plate (1) is fixedly connected with a box body (2), a net rolling shaft barrel (4) is arranged above the inner part of the box body (2), a net falling prevention binding ring (19) is arranged at the center of the upper part of the box body (2), connecting blocks (5) are fixedly connected with the middle part of the periphery of the box body (2) above the bottom plate (1), four connecting blocks (5) are rotatably connected with folding rods (6) at one ends far away from the bottom plate (1), four extension rods (6) are rotatably connected with extension rods (7) at one ends far away from the folding rods (6), four binding rods (7) are fixedly connected with anti-falling nets (15) at one ends far away from the folding rods (6), and four extension rod limiting strips (16) are fixedly connected with one ends, close to the folding rods (6), of the extension rods (7), an extension bar limiting fixing bayonet (17) is arranged at one end of the extension bar limiting strip (16) far away from the extension bar (7), extension bar limiting fixing fixture blocks (18) are fixedly connected at positions, corresponding to the extension bar limiting fixing bayonet (17), of one end, close to the extension bar (7), of each folding bar (6), four fixing plates (8) are rotatably connected at four corners of the upper portion of the bottom plate (1), fixing screws (9) are arranged at one ends, far away from the bottom plate (1), of the four fixing plates (8), bottom plate limiting fixing fixture blocks (11) are fixedly connected at the outer sides of the four connecting blocks (5) above the bottom plate (1), first folding bar limiting fixing fixture blocks (12) are fixedly connected at positions, corresponding to the bottom plate limiting fixing fixture blocks (11), box body limiting fixing fixture blocks (13) are fixedly connected at the middle parts of the upper portion of the periphery of the outer side of the box body (2), and the four folding rods (6) are provided with second folding rod limiting and fixing bayonets (14) at positions corresponding to the box body limiting and fixing clamping blocks (13).

2. The bridge construction anti-falling device according to claim 1, characterized in that: the output end of the motor (3) is in transmission connection with the net winding shaft barrel (4) through a transmission shaft.

3. The bridge construction anti-falling device according to claim 1, characterized in that: four folding rod (6) are font structure, and the inner space size suits with extension bar (7).

4. The bridge construction anti-falling device according to claim 1, characterized in that: the anti-falling net (15) penetrates through the box body (2) through an anti-falling net bundling ring (19) and is wound on the net winding shaft barrel (4).

5. The bridge construction anti-falling device according to claim 1, characterized in that: the extension bar limiting fixing bayonet (17) is fixedly connected with the extension bar limiting fixing fixture block (18), the bottom plate limiting fixing fixture block (11), the first folding bar limiting fixing fixture block (12), the box body limiting fixing fixture block (13) and the second folding bar limiting fixing bayonet (14) through bolts.

6. The bridge construction anti-falling device according to claim 1, characterized in that: both sides at both ends below the bottom plate (1) are provided with movable wheels (10).

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