CN216238165U

CN216238165U - Anti-falling device for bridge construction

Info

Publication number: CN216238165U
Application number: CN202122868445.XU
Authority: CN
Inventors: 孙亮; 段利河; 赵亮; 王平让; 车文斌; 陈阵; 郝文洲; 秦培雷; 徐咏平; 康熙
Original assignee: China Railway Construction Henan Lanyuan Expressway Co ltd; China Railway 19th Bureau Group Co Ltd; Third Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway Construction Henan Lanyuan Expressway Co ltd; China Railway 19th Bureau Group Co Ltd; Third Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a falling-preventing device for bridge construction, which comprises: the fixing part comprises a first clamping plate, one end of the first clamping plate is fixedly connected with a sliding groove, a lead screw is rotatably connected in the sliding groove, one end of the lead screw extends out of the sliding groove and is fixedly connected with a handle, the lead screw is in threaded connection with a sliding block, the sliding block is fixedly connected with a second clamping plate, the top end of the first clamping plate is fixedly connected with a fixing plate, a fixing pin is detachably connected between the second clamping plate and the fixing plate, the sliding groove and the top end of the fixing plate are fixedly connected with an installation seat, the top end of the installation seat is detachably connected with a first connecting rod, and a plurality of hook rings are fixedly connected to the side wall of the first connecting rod; the connecting part comprises a second connecting rod which is detachably connected with the mounting seat; the protection portion, protection portion include the protection network, and the one end and the second connecting rod of protection network can be dismantled and be connected, and the other end rigid coupling of protection network has a plurality of couples. The utility model has convenient use, can be operated by only one worker in actual use, and has rapid installation and convenient operation.

Description

Anti-falling device for bridge construction

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a falling-prevention device for bridge construction.

Background

The bridge is a building erected in the air to enable vehicles, pedestrians and the like to smoothly pass through. The bridge generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the auxiliary construction refers to bridge end butt straps, tapered slope protection, bank protection, diversion engineering and the like. In the bridge construction, need set up the device that prevents falling in the position of bridge construction to protection constructor safety, and avoid stone, work piece to drop.

The anti-falling device used in the bridge construction in the prior art has the following disadvantages:

1. the use degree is complicated, a large amount of manpower and supporting devices are needed in actual use, a large amount of manpower and material resources are wasted, the later-stage packing is troublesome, and the construction period is seriously influenced;

2. the baffle device of enclosing of prior art has the structure to set up unreasonablely, and the operation degree of difficulty is big, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a falling-preventing device for bridge construction, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a device that falls is prevented that bridge construction used, includes at least two and prevents falling the unit, prevent falling the unit and include:

the fixing part comprises a first clamping plate, one end of the first clamping plate is fixedly connected with a sliding groove, a lead screw is rotationally connected in the sliding groove, one end of the lead screw extends out of the sliding groove and is fixedly connected with a handle, the lead screw is in threaded connection with a sliding block, the sliding block is slidably connected in the sliding groove, one end of the sliding block extending out of the sliding groove is fixedly connected with a second clamping plate, a clamping cavity is formed between the first clamping plate and the second clamping plate, the top end of the first clamping plate is fixedly connected with a fixing plate, a fixing pin is detachably connected between the second clamping plate and the fixing plate, the sliding groove and the top end of the fixing plate are fixedly connected with a mounting seat, the top end of the mounting seat is detachably connected with a first connecting rod, and a plurality of hook rings are fixedly connected to the side wall of the first connecting rod;

the connecting part comprises a second connecting rod, and the second connecting rod is detachably connected with the mounting seat;

the protection portion, the protection portion includes the protection network, the one end of protection network with the connection can be dismantled to the second connecting rod, the other end rigid coupling of protection network has a plurality of couples, the couple can be dismantled with the ring that colludes of adjacent unit of preventing falling and be connected.

Preferably, the fixed plate is located first splint are close to the one end of sliding tray, the fixed plate sets up to two, two the fixed plate symmetry sets up, second splint sliding connection is two between the fixed plate, first fixed orifices has been seted up on the fixed plate, the second fixed orifices has been seted up on the second splint, the fixed pin can be dismantled the connection and be located collinear two first fixed orifices with between the second fixed orifices.

Preferably, two threaded holes are formed in the top end of the mounting seat, external threads are formed in the bottom ends of the first connecting rod and the second connecting rod, and the threaded holes are matched with the external threads at the bottom ends of the first connecting rod and the second connecting rod.

Preferably, the bottom of second connecting rod rotates and is connected with the tray, the outside cover of second connecting rod is equipped with the sleeve, the sleeve with second connecting rod clearance fit, the top surface of tray with the sleeve butt.

Preferably, the rigid coupling has on the telescopic lateral wall the one end of protection network, the protection network twines on the sleeve, the protection network is kept away from telescopic one end rigid coupling has a plurality of the couple, it is a plurality of the couple is equidistant from top to bottom set up, a plurality of collude the ring and equidistant from top to bottom set up, the couple prevents falling the ring one-to-one that colludes of unit with adjacent.

Preferably, a plurality of anti-skidding grooves which are arranged in a staggered mode are formed in the surfaces, opposite to the second clamping plate, of the first clamping plate.

Preferably, the top end of the second connecting rod is in threaded connection with a limiting disc, a gap is reserved between the limiting disc and the sleeve, and the outer diameter of the limiting disc is larger than the inner diameter of the sleeve.

Preferably, the protective net comprises a steel wire mesh layer, and a fine mesh layer is bonded to one side of the steel wire mesh layer.

The utility model discloses the following technical effects: when the anti-falling device is used, at least two anti-falling units are needed; the second clamping plate can be controlled to move up and down by rotating the handle, the fixing part can be clamped on the bridge cross plate under the combined action of the second clamping plate and the first clamping plate, and the fixing part is fixed on the bridge cross plate through the fixing pin; after the fixing part is fixed, the first connecting rod and the second connecting rod are installed on the installation seat, the protective net is installed on the second connecting rod, the hook at the end part of the protective net is connected with the hook ring on the first connecting rod at the top end of the adjacent fixing part, and the protective effect can be achieved. The utility model is convenient to use, can be operated by only one worker in actual use, and has rapid installation and convenient operation; after the use is accomplished, will collude the ring and get in touch the separation, pull down the protection network, dismantle head rod and second connecting rod again, pull down fixed pin, through rotate the handle loosen the second splint can, it is convenient to retrieve, the used repeatedly of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a side view of an anti-drop apparatus for bridge construction according to the present invention;

FIG. 2 is a front view of the fixing portion of the present invention;

fig. 3 is a schematic structural view of a protection net in the utility model;

FIG. 4 is a schematic structural view of a second connecting rod according to the present invention;

wherein, 1, a first splint; 2. a sliding groove; 3. a slider; 4. a second splint; 5. a fixing plate; 7. fixing the pin; 8. a first connecting rod; 9. a mounting seat; 10. a second connecting rod; 11. a protective net; 12. a first fixing hole; 13. a threaded hole; 14. a tray; 15. a sleeve; 16. hooking; 17. a limiting disc; 18. a lead screw; 19. a handle; 20. hooking a ring; 21. a steel wire mesh layer; 22. a fine mesh layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 4, the present invention provides a drop preventing device for bridge construction, comprising: at least two prevent the unit that falls, prevent that the unit that falls includes:

the fixing part comprises a first clamping plate 1, one end of the first clamping plate 1 is fixedly connected with a sliding groove 2, a lead screw 18 is rotationally connected in the sliding groove 2, one end of the lead screw 18 extends out of the sliding groove 2 and is fixedly connected with a handle 19, the lead screw 18 is in threaded connection with a sliding block 3, the sliding block 3 is slidably connected in the sliding groove 2, one end of the sliding block 3 extending out of the sliding groove 2 is fixedly connected with a second clamping plate 4, a clamping cavity is formed between the first clamping plate 1 and the second clamping plate 4, the top end of the first clamping plate 1 is fixedly connected with a fixing plate 5, a fixing pin 7 is detachably connected between the second clamping plate 4 and the fixing plate 5, the sliding groove 2 and the top end of the fixing plate 5 are fixedly connected with a mounting seat 9, the top end of the mounting seat 9 is detachably connected with a first connecting rod 8, and the side wall of the first connecting rod 8 is fixedly connected with a plurality of hook rings 20;

the connecting part comprises a second connecting rod 10, and the second connecting rod 10 is detachably connected with the mounting seat 9;

the protection portion, the protection portion includes protection network 11, and the one end and the second connecting rod 10 of protection network 11 can be dismantled and be connected, and the other end rigid coupling of protection network 11 has a plurality of couples 16, and couple 16 can dismantle with the ring 20 that colludes of adjacent unit of preventing falling and be connected.

When in use, at least two devices are required to be matched for use. The device drives the screw rod 18 to rotate through rotating the handle 19, drives the slide block 3 to move in the sliding groove 2 through the screw rod 18, further drives the second clamping plate 4 to move up and down, so that the clamping and releasing functions are realized, the clamped second clamping plate 4 is fixed through the fixing pin 7, and the fixing part can be fixed on the bridge cross plate; then, fixedly installing a first connecting rod 8 and a second connecting rod 10 at the top of the installation seat 9, and installing a protective net 11 on the second connecting rod 10; a plurality of fixing parts are installed on the bridge cross slab at equal intervals, and the protection net 11 is connected with the hook ring 20 of the first connecting rod 8 on the adjacent fixing part through the hook 16. Wherein, the hook 16 is a closed hook, which is the prior art and is not described in detail.

Further optimize the scheme, fixed plate 5 is located the one end that first splint 1 is close to sliding tray 2, and fixed plate 5 sets up to two, and two fixed plate 5 symmetries set up, and second splint 4 sliding connection has seted up first fixed orifices 12 between two fixed plates 5 on the fixed plate 5, has seted up the second fixed orifices on the second splint 4, and fixing pin 7 can dismantle the connection between being located two first fixed orifices 12 on the collinear and second fixed orifices. The two fixing plates 5 are symmetrically arranged, so that the second clamping plate 4 can be fixed more firmly.

Further optimize the scheme, two screw holes 13 have been seted up on the top of mount pad 9, and the external screw thread has all been seted up to the bottom of head rod 8 and second connecting rod 10, and screw hole 13 and the external screw thread looks adaptation in head rod 8 and second connecting rod 10 bottom. Through screw hole 13 with head rod 8 and second connecting rod 10 fixed mounting on mount pad 9, make things convenient for the dismantlement and the installation of head rod 8 and second connecting rod 10.

Further optimize the scheme, the bottom of second connecting rod 10 is rotated and is connected with tray 14, and the outside cover of second connecting rod 10 is equipped with sleeve 15, sleeve 15 and second connecting rod 10 clearance fit, the top surface and the sleeve 15 butt of tray 14. The bottom end of the second connecting rod 10 is fixedly connected with a bearing, the outer side of the bearing is fixedly connected with a tray 14, and the sleeve 15 can rotate on the second connecting rod 10.

Further optimization scheme, the rigid coupling has the one end of protection network 11 on the lateral wall of sleeve 15, and protection network 11 twines on sleeve 15, and the one end rigid coupling that sleeve 15 was kept away from to protection network 11 has a plurality of couples 16, and a plurality of couples 16 from top to bottom equidistant setting, a plurality of rings 20 that collude from top to bottom equidistant setting, couple 16 and adjacent prevent falling collude ring 20 one-to-one on the unit. During the use, can expand protection network 11 through pulling couple 16, use the completion back, rotate sleeve 15 and can collect convenient to use with protection network 11.

Further optimize the scheme, all set up a plurality of crisscross anti-skidding grooves that set up on the face that first splint 1 is relative with second splint 4. The friction force between the first clamping plate 1 and the second clamping plate 4 and the bridge spanning plate is increased.

Further optimize the scheme, the top end threaded connection of second connecting rod 10 has spacing dish 17, leaves the clearance between spacing dish 17 and the sleeve 15, and the external diameter of spacing dish 17 is greater than the internal diameter of sleeve 15. The stopper plate 17 may prevent the sleeve 15 from being separated from the second connecting rod 10.

In a further optimized scheme, the protective net 11 comprises a steel wire mesh layer 21, and a fine mesh layer 22 is bonded to one side of the steel wire mesh layer 21.

The steel wire mesh layer 21 can increase the bearing capacity of the protective net 11, and the fine mesh layer 22 can effectively prevent gravel and workpieces from falling, so that the safety of protection is improved.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a device that falls is prevented that bridge construction used which characterized in that includes at least two and prevents falling the unit, prevent falling the unit and include:

the fixing part comprises a first clamping plate (1), a sliding groove (2) is fixedly connected to one end of the first clamping plate (1), a lead screw (18) is connected to the sliding groove (2) in a rotating mode, a handle (19) is fixedly connected to one end of the lead screw (18) and stretches out of the sliding groove (2), a sliding block (3) is connected to the lead screw (18) in a threaded mode, the sliding block (3) is connected to the inside of the sliding groove (2) in a sliding mode, a second clamping plate (4) is fixedly connected to one end of the sliding block (3) stretching out of the sliding groove (2), a clamping cavity is formed between the first clamping plate (1) and the second clamping plate (4), a fixing plate (5) is fixedly connected to the top end of the first clamping plate (1), a fixing pin (7) is detachably connected between the second clamping plate (4) and the fixing plate (5), and a mounting seat (9) is fixedly connected to the top end of the sliding groove (2) and the fixing plate (5), the top end of the mounting seat (9) is detachably connected with a first connecting rod (8), and a plurality of hook rings (20) are fixedly connected to the side wall of the first connecting rod (8);

the connecting part comprises a second connecting rod (10), and the second connecting rod (10) is detachably connected with the mounting seat (9);

the protection portion, the protection portion includes protection network (11), the one end of protection network (11) with the connection can be dismantled in second connecting rod (10), the other end rigid coupling of protection network (11) has a plurality of couples (16), couple (16) can dismantle with adjacent prevent that colluding on the unit and encircle (20) and be connected.

2. The drop prevention device for bridge construction according to claim 1, wherein: fixed plate (5) are located first splint (1) are close to the one end of sliding tray (2), fixed plate (5) set up to two, two fixed plate (5) symmetry sets up, second splint (4) sliding connection is two between fixed plate (5), first fixed orifices (12) have been seted up on fixed plate (5), the second fixed orifices has been seted up on second splint (4), fixing pin (7) can be dismantled and connect two that are located same straight line first fixed orifices (12) with between the second fixed orifices.

3. The drop prevention device for bridge construction according to claim 1, wherein: two threaded holes (13) are formed in the top end of the mounting seat (9), external threads are formed in the bottom ends of the first connecting rod (8) and the second connecting rod (10), and the threaded holes (13) are matched with the external threads at the bottom ends of the first connecting rod (8) and the second connecting rod (10).

4. The drop prevention device for bridge construction according to claim 1, wherein: the bottom of second connecting rod (10) is rotated and is connected with tray (14), the outside cover of second connecting rod (10) is equipped with sleeve (15), sleeve (15) with second connecting rod (10) clearance fit, the top surface of tray (14) with sleeve (15) butt.

5. The drop prevention device for bridge construction according to claim 4, wherein: the rigid coupling has on the lateral wall of sleeve (15) the one end of protection network (11), protection network (11) winding is in on sleeve (15), protection network (11) are kept away from the one end rigid coupling of sleeve (15) has a plurality of couple (16), a plurality of couple (16) from top to bottom equidistant setting, a plurality of collude ring (20) from top to bottom equidistant setting, couple (16) and adjacent prevent falling colluding ring (20) one-to-one on the unit.

6. The drop prevention device for bridge construction according to claim 1, wherein: a plurality of anti-skidding grooves which are arranged in a staggered mode are formed in the surfaces, opposite to the second clamping plate (4), of the first clamping plate (1).

7. The drop prevention device for bridge construction according to claim 4, wherein: the top end threaded connection of second connecting rod (10) has spacing dish (17), spacing dish (17) with leave the clearance between sleeve (15), the external diameter of spacing dish (17) is greater than the internal diameter of sleeve (15).

8. The drop prevention device for bridge construction according to claim 1, wherein: the protective net (11) comprises a steel wire mesh layer (21), and a fine mesh layer (22) is bonded on one side of the steel wire mesh layer (21).