CN212200064U

CN212200064U - Steel construction bridge fire prevention rail guard

Info

Publication number: CN212200064U
Application number: CN202020780584.XU
Authority: CN
Inventors: 姚吉昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-22
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a steel construction bridge fire prevention rail guard, including two sets of stands and base, it is two sets of the base has all been welded to the stand bottom, and is two sets of both ends all are provided with dismounting device about the stand, and are two sets of the spacing groove has all been seted up to the relative one side of stand, and is two sets of both ends are all overlapped and are equipped with the railing about the spacing groove, and are two sets of the stand top all is overlapped and is equipped with the fixed block, and is two sets of the railing is provided. The utility model discloses be provided with the spacing groove, the external screw thread, slipmat and stop nut, pass through the spacing groove during use, the external screw thread, mutually supporting of slipmat and stop nut, when the rail guard needs to be disassembled, at first rotate two sets of stop nut from top to bottom, make two sets of stop nut all through the outside removal of external screw thread, make stop nut and slipmat all leave the stand this moment, with the railing with along the spacing groove upward movement with the stand separation can, avoided using the bolt fastening after be difficult to dismantle, cost more energy and time, the work efficiency of device has been improved.

Description

Steel construction bridge fire prevention rail guard

Technical Field

The utility model relates to a rail guard technical field specifically is a steel construction bridge fire prevention rail guard.

Background

Along with the rapid development of society, steel structure bridge has been widely used, and the interim protection when the steel structure bridge fire prevention rail guard of current interim placing mainly used bridge construction covers on the surface has fire protection coating, prevents that the bridge from catching fire, and current steel structure bridge fire prevention rail guard has can satisfy daily practical demand basically, still has some weak points and needs the improvement.

The first problem is that: the existing steel structure bridge fireproof protective guard is mostly fixed by using fixing bolts, so that the disassembled protective guard is fixed, but the fixing mode is difficult to disassemble during disassembly, more energy and time are needed, and the working efficiency of the device is reduced.

The second problem is that: most of anti-collision structures of current steel construction bridge fire prevention rail guard design as an organic whole for prevent that the vehicle from dashing to the staff out of control, but the anti-collision structure of integral type will directly bear the impact of vehicle when striking with the vehicle, thereby can lead to vehicle emergency braking to make the driver's person receive the injury, reduced the practicality of device, consequently need urgently a connecting device of steel construction bridge fire prevention rail guard to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel construction bridge fire protection fence to the use bolt fastening back that proposes in solving above-mentioned background is difficult to dismantle, thereby the more energy of cost and time and when with the vehicle impact of vehicle time will directly bear the impact of vehicle, thereby can lead to vehicle emergency braking to make the driver's person receive the problem of injury.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel construction bridge fire prevention rail guard, includes two sets of stands and base, and is two sets of the base has all been welded to the stand bottom, and is two sets of both ends all are provided with dismounting device about the stand, and are two sets of the relative one side of stand has all been seted up the spacing groove, and is two sets of both ends are all overlapped and are equipped with the railing about the spacing inslot, and are two sets of the stand top all is overlapped and is equipped with the fixed block, and is two sets.

Preferably, the dismounting device comprises a stand column, a base, a limiting groove, external threads, non-slip mats and limiting nuts, the external threads are arranged at the upper end and the lower end of the stand column, the limiting nuts are sleeved outside the upper end and the lower end of the external threads, the non-slip mats are arranged on the opposite sides of the outer walls of the limiting nuts, the non-slip mats are sleeved on the outer walls of the stand columns, and the non-slip mats are arranged on the opposite sides of the outer walls of the non-slip mats in a clamping mode.

Preferably, the buffer stop includes standing groove, dead lever, stopper, spring, a plastic cylinder and pivot, and is two sets of railing longitudinal symmetry sets up two sets of standing grooves, the standing groove endotheca is equipped with the dead lever, the laminating of dead lever outer wall rear end has the stopper, the stopper passes through the inner wall formation elastic connection of spring and standing groove, both ends are all overlapped and are equipped with the pivot about the dead lever, and are two sets of the pivot outside is all fixed on a plastic cylinder.

Preferably, the upper section of the limit groove is T-shaped, and the upper sections of the left end and the right end of the handrail are T-shaped corresponding to the limit groove.

Preferably, a circular through hole is formed in the middle of the non-slip mat, and the diameter of the through hole in the non-slip mat is the same as that of the upright column.

Preferably, the limiting block is concave, and the width of the limiting block is the same as that of the placing groove.

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

1. this steel construction bridge fire prevention rail guard is provided with the spacing groove, the external screw thread, slipmat and stop nut, pass through the spacing groove during use, the external screw thread, mutually supporting of slipmat and stop nut, when the rail guard needs to be disassembled, at first, rotate two sets of stop nut from top to bottom, make two sets of stop nut all outwards remove through the external screw thread, make stop nut and slipmat all leave the stand this moment, with the railing with along spacing groove upward movement with the stand separation can, it is difficult to dismantle after having avoided using the bolt fastening, spend more energy and time, the work efficiency of device has been improved.

2. This steel construction bridge fire prevention rail guard is provided with the dead lever, a spring, a plastic section of thick bamboo and pivot, pass through the dead lever during use, a spring, mutually support of a plastic section of thick bamboo and pivot, when the vehicle strikes on a plastic section of thick bamboo, make a plastic section of thick bamboo rotate through the pivot, and the dead lever downstream under the effect of standing groove, the impact is absorbed to the spring this moment, guide vehicle to side motion under the effect of a plastic section of thick bamboo simultaneously, the impact that will directly bear the vehicle when the crashproof structure of having avoided the integral type strikes with the vehicle, thereby can lead to vehicle emergency braking to make the driver's person receive the injury, the practicality of device has been improved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic bottom sectional view of the present invention;

fig. 3 is an enlarged schematic view of fig. 1 at a of the present invention;

fig. 4 is an enlarged schematic view of the position B of fig. 2 according to the present invention.

In the figure: 1. a column; 2. a base; 3. a limiting groove; 4. a railing; 5. an external thread; 6. a non-slip mat; 7. a limit nut; 8. a placement groove; 9. fixing the rod; 10. a limiting block; 11. a spring; 12. a plastic cylinder; 13. a rotating shaft; 14. and (5) fixing blocks.

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.

Referring to fig. 1-4, the present invention provides an embodiment:

a connecting device of a steel structure bridge fireproof protective guard comprises two groups of upright posts 1 and a base 2, the bases 2 are welded at the bottom ends of the two groups of upright posts 1, dismounting devices are arranged at the upper ends and the lower ends of the two groups of upright posts 1, each dismounting device comprises an upright post 1, a base 2, a limiting groove 3, external threads 5, a non-slip mat 6 and a limiting nut 7, the external threads 5 are arranged at the upper ends and the lower ends of the upright posts 1, the limiting nuts 7 are sleeved outside the external threads 5, the non-slip mat 6 is arranged at one side opposite to the outer wall of the two groups of limiting nuts 7, a circular through hole is arranged at the middle position of the non-slip mat 6, the diameter of the through hole in the non-slip mat 6 is the same as that of the upright posts 1, through the design, when the non-slip mat 6 is sleeved on the outer wall of the upright posts 1, no gap is reserved between the non-slip nuts, the clamp has railing 4 between 6 outer wall relative one sides of two sets of slipmats, spacing groove 3 has all been seted up to 1 relative one side of two sets of stands, both ends are all overlapped and are equipped with railing 4 about two sets of spacing groove 3, spacing groove 3 upper cross-section is "T" font, the cross-section all is "T" font with spacing groove 3 corresponding on both ends about railing 4, through this design, when railing 4 imbeds spacing groove 3, under spacing groove 3 and railing 4's appearance effect, make railing 4 slide from top to bottom steadily in spacing groove 3, and spacing groove 3 forms limiting displacement to railing 4, the stability of device has been improved, 1 tops of two sets of stands are all overlapped and are equipped with fixed block 14, two sets of railing 4 are provided with buffer stop.

Buffer stop includes standing groove 8, dead lever 9, stopper 10, spring 11, a plastic section of thick bamboo 12 and pivot 13, two sets of standing groove 8 are seted up to two sets of railing 4 longitudinal symmetry, standing groove 8 endotheca is equipped with dead lever 9, the laminating of dead lever 9 outer wall rear end has stopper 10, stopper 10 is interior "concave" shape, stopper 10's width is the same with standing groove 8's width, through this design, make stopper 10 closely laminate with dead lever 9 under spring 11's effect, make dead lever 9 receive spring 11's effect down all the time and standing groove 8 inner wall front end contact, it rocks in standing groove 8 to have avoided dead lever 9, the stability of device has been improved, stopper 10 forms elastic connection through spring 11 and standing groove 8's inner wall, both ends all overlap and are equipped with pivot 13 about dead lever 9, two sets of pivot 13 outsides are all fixed on a plastic section of thick bamboo 12.

The working principle is as follows: when the protective guard needs to be detached, the upper and lower groups of limiting nuts 7 are firstly rotated to enable the two groups of limiting nuts 7 to move outwards along the external threads 5, the limiting effect on the guardrail 4 is removed, then the limiting nuts 7 and the anti-skid pads 6 are all upwards pushed to leave the upright posts 1, the guardrail 4 is upwards pushed to enable the guardrail 4 to leave the upright posts 1, the guardrail 4 is enabled to be free of limiting on the upright posts 1, and the operation is finished.

When the protective guard is impacted by a vehicle, the vehicle is in contact with the plastic tube 12, the plastic tube 12 rotates along the fixing rod 9 under the action of the rotating shaft 13 under the action of acting force, the fixing rod 9 is under the action of the plastic tube 12 at the moment, the spring 11 is inwards contracted under the action of the limiting block 10, the fixing rod 9 moves backwards along with the limiting block 10 at the moment to absorb the impact force of the vehicle, the plastic tube 12 and other protective guards form an arc shape on the horizontal position at the moment to guide the impacting vehicle to move laterally, so that people are prevented from being directly impacted, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a steel construction bridge fire prevention rail guard, includes two sets of stand (1) and base (2), and is two sets of stand (1) bottom has all welded base (2), its characterized in that: two sets of both ends all are provided with dismounting device about stand (1), and are two sets of spacing groove (3) have all been seted up to stand (1) relative one side, and are two sets of both ends are all overlapped and are equipped with railing (4) about in spacing groove (3), and are two sets of stand (1) top all is overlapped and is equipped with fixed block (14), and is two sets of railing (4) are provided with buffer stop.

2. The steel structure bridge fireproof protective guard of claim 1, wherein: the dismounting device comprises a stand column (1), a base (2), a limiting groove (3), external threads (5), an anti-slip mat (6) and a limiting nut (7), wherein the external threads (5) are arranged at the upper end and the lower end of the stand column (1), the limiting nut (7) is sleeved outside the upper end and the lower end of the external threads (5), and the limiting nut (7) is two-set, the anti-slip mat (6) is arranged on one side of the outer wall of the stand column (1) in a sleeved mode and the anti-slip mat (6) is arranged on the outer wall of the stand column (1) in a sleeved mode and the anti-slip mat (.

3. The steel structure bridge fireproof protective guard of claim 1, wherein: buffer stop includes standing groove (8), dead lever (9), stopper (10), spring (11), a plastic section of thick bamboo (12) and pivot (13), and is two sets of railing (4) longitudinal symmetry sets up two sets of standing groove (8), standing groove (8) endotheca is equipped with dead lever (9), laminating of dead lever (9) outer wall rear end has stopper (10), inner wall formation elastic connection through spring (11) and standing groove (8) stopper (10), both ends all overlap and are equipped with pivot (13), and are two sets of pivot (13) outside is all fixed on a plastic section of thick bamboo (12).

4. The steel structure bridge fireproof protective guard of claim 1, wherein: the cross-section is "T" font on spacing groove (3), both ends are all presented with corresponding being "T" font with spacing groove (3) in the cross-section about railing (4).

5. The steel structure bridge fireproof protective guard of claim 2, wherein: a circular through hole is formed in the middle of the anti-skid pad (6), and the diameter of the through hole in the anti-skid pad (6) is the same as that of the upright post (1).

6. The steel structure bridge fireproof protective guard of claim 3, wherein: the limiting block (10) is concave, and the width of the limiting block (10) is the same as that of the placing groove (8).