CN216006577U

CN216006577U - Safety device for top of main tower of suspension bridge

Info

Publication number: CN216006577U
Application number: CN202121551717.7U
Authority: CN
Inventors: 葛龙
Original assignee: Shanghai Xiaochuan Construction Engineering Co ltd
Current assignee: Shanghai Xiaochuan Construction Engineering Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-03-11
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a safety protection device for a suspension bridge main tower top, wherein a main tower cable saddle installation area is provided with a plurality of embedded bolts which are horizontally arranged, the parts of two ends of the embedded bolts, which are exposed out of a concrete foundation, are threaded sections, the lower part of any cross beam is installed on the embedded bolts, the top surface of any cross beam is provided with a plurality of stand columns which are arranged at intervals, any stand column is provided with a plurality of stud bolts which are vertically arranged, a steel wire rope clamping device is arranged between any two adjacent stand columns, and the two steel wire rope clamping devices are connected through a first steel wire rope. The utility model has reasonable structure and convenient assembly and disassembly, the embedded bolt is sealed in the range of the main tower capping in the later period, the crossbeam, the upright post and the steel wire rope are all convenient to assemble and disassemble and can be fully utilized, and the gas cutting work is not needed in the later period, thereby saving time and labor.

Description

Safety device for top of main tower of suspension bridge

Technical Field

The utility model belongs to the technical field of building safety, and particularly relates to a safety protection device for the top of a main tower of a suspension bridge.

Background

Suspension bridges in long span bridges are considered to be one of the most prominent bridge types in bridges. The suspension bridge consists of a main cable, a main tower, a sling, a stiffening beam, an anchorage and the like; the main tower is used for placing a cable saddle, a main cable is fixed through the cable saddle, and the main tower is a main component for restraining the stiffening beam and mainly stressed.

When the cable saddle and the main cable are constructed on the top of the main tower, the following technical defects exist: the top surface of a cable saddle arrangement area of the main tower is a rectangular sinking platform, the height of a short wall body around the rectangular sinking platform is only 20-30 cm, the periphery of the open structure cannot be provided with a protection device, a construction steel frame on the tower top is still a certain distance away from the cable saddle arrangement area, and personnel have potential safety hazards of easily falling from the tower top in the construction process; and after the construction of the upper suspension cable structure, a template support needs to be erected so that the surrounding short wall bodies can be continuously poured upwards for structural capping, if the embedded bottom plate of the short wall bodies during construction is utilized, the railing upright posts are welded through the embedded bottom plate, a large amount of gas cutting work needs to be carried out in the later period, waste materials are wasted, and the labor intensity is high.

How to design a suspension bridge king-tower top of tower safety device, how be convenient for install and dismantle, how be convenient for reuse, become the problem that the solution is badly needed.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, the present invention aims to provide a safety protection device for a suspension bridge main tower top, which is used for solving the problem that when cable saddle and main cable construction is performed on the top of a main tower in the prior art, the top surface of a cable saddle placement area of the main tower is a rectangular sinking platform, the height of a low wall body around the rectangular sinking platform is only 20-30 cm, the periphery of the open structure cannot be provided with the protection device, a distance is reserved between a tower top construction steel frame and the cable saddle placement area, and a potential safety hazard that personnel easily fall from the tower top exists in construction; and after the construction of upper portion span wire structure, need set up the template support so that short wall body all around continues to upwards pour into a mould and carry out the structure capping, if utilize the pre-buried bottom plate of short wall body during the construction, through pre-buried bottom plate welding railing stand, have the later stage and need carry out a large amount of gas cutting work, the useless worker waste material, problem that intensity of labour is big.

In order to achieve the purpose, the utility model provides a safety protection device for the top of a main tower of a suspension bridge, which comprises cross beams arranged in parallel in a main tower cable saddle arrangement area, wherein a plurality of embedded bolts arranged horizontally are arranged in the main tower cable saddle arrangement area, the parts of two ends of the embedded bolts, which are exposed out of a concrete foundation, are threaded sections, the lower part of any cross beam is arranged on the embedded bolts, the top surface of any cross beam is provided with a plurality of stand columns arranged at intervals, any stand column is provided with a plurality of stud bolts arranged vertically, a steel wire rope clamping device is arranged between any two adjacent stand columns, and the two steel wire rope clamping devices are connected through a first steel wire rope;

by adopting the technical scheme: the cross beam, the upright column on the upper part of the cross beam and the steel wire rope form a fence in a cable saddle arrangement area of the main tower, so that potential safety hazards that personnel easily fall from the tower top in construction are eliminated.

In an embodiment of the utility model, two sides of any one of the beams are connected with the embedded bolt through a first nut.

In an embodiment of the present invention, a pad is disposed on an outer end surface of any one of the beams.

In an embodiment of the utility model, a waist-shaped hole is formed in any one of the backing plates, the waist-shaped hole contains embedded bolts at the same side, and the first nut and the embedded bolts are screwed and then tightly pressed on the backing plate;

by adopting the technical scheme: the cross beam and the embedded bolt are locked through the base plate and the first nut, and the cross beam is prevented from being separated.

In an embodiment of the utility model, a cross section of any one of the cross beams is a U-shaped structure with a downward opening, a plurality of open grooves are formed at the lower parts of vertical plates at two sides of the U-shaped structure at intervals, and all the open grooves are arranged along the length direction of the cross beam.

In an embodiment of the present invention, a T-shaped groove is disposed in a center of a top surface of the cross beam, and the T-shaped groove is disposed along a length direction of the cross beam.

In an embodiment of the utility model, any one of the pillars includes a T-shaped block, and the T-shaped block is arranged corresponding to the T-shaped groove.

In an embodiment of the present invention, the top surface of the T-shaped block is sequentially provided with a stud and an upper rod upward, wherein the stud is mounted on the top surface of the cross beam through a second nut, and the outer diameter of the upper rod is smaller than the major diameter of the stud;

by adopting the technical scheme: the stand column is locked on the cross beam through the second nut and is convenient to assemble and disassemble.

In an embodiment of the utility model, the outer circle of the upper rod is provided with planes which are arranged in parallel and are vertical to the cross beam, the planes are provided with a plurality of screw holes which are arranged at intervals, and a stud bolt is arranged in any one of the screw holes;

by adopting the technical scheme: screwed in the screw hole through the stud.

In an embodiment of the utility model, eyenuts are arranged on the stud bolts at two ends of any one of the cross beams, the eyenuts on the same side and the same horizontal plane of the two cross beams are connected through a second steel wire rope, and two ends of any one second steel wire rope are provided with steel wire rope clamps;

by adopting the technical scheme: the end part of the second steel wire rope bypasses a lifting ring of the lifting ring nut and is locked through the steel wire rope clamp.

As described above, the safety protection device for the top of the main tower of the suspension bridge, provided by the utility model, has the advantages of reasonable structure, convenience in assembly and disassembly, capability of sealing the embedded bolt in the range of the main tower capping in the later stage, convenience in assembly and disassembly of the cross beam, the stand column and the steel wire rope, full utilization of the cross beam, no need of gas cutting in the later stage, time and labor saving, and good economic and social benefits in popularization and application.

Drawings

Fig. 1 is a three-dimensional view of the mounting structure of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a three-dimensional view of a beam of the present invention.

Fig. 5 is a three-dimensional view of a post of the present invention.

Fig. 6 is an exploded view of the mounting structure of the present invention.

Fig. 7 is an exploded view of the present invention.

In the figure: 1. a cross beam; 2. a column; 3. a stud bolt; 4. a base plate; 101, a T-shaped groove; 102. an open slot; a T-shaped block; 202. a stud; 203. an upper rod; 204. and a screw hole.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 7. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 6, the utility model provides a safety protection device for the top of a main tower of a suspension bridge, which comprises a beam 1 arranged in parallel in a cable saddle mounting area of the main tower, wherein a plurality of embedded bolts arranged horizontally are arranged in the cable saddle mounting area of the main tower, the parts of two ends of the embedded bolts exposed out of a concrete foundation are threaded sections,

as shown in fig. 1, the lower part of any one cross beam 1 is installed on an embedded bolt, the top surface of any one cross beam 1 is provided with a plurality of upright posts 2 which are arranged at intervals, any one upright post 2 is provided with a plurality of stud bolts 3 which are arranged vertically, a steel wire rope clamping device is arranged between any two adjacent upright posts 2, and the two steel wire rope clamping devices are connected through a first steel wire rope; by adopting the technical scheme: the cross beam, the upright column at the upper part of the cross beam and the steel wire rope form a fence in a cable saddle arrangement area of the main tower, so that potential safety hazards that personnel easily fall from the tower top in construction are eliminated;

two sides of any one cross beam 1 are connected with the embedded bolt through a first nut;

a backing plate 4 is arranged on the end face of the outer side of any one of the cross beams 1;

as shown in fig. 2, a waist-shaped hole is formed in any one of the backing plates 4, the waist-shaped hole includes embedded bolts on the same side, and the first nut and the embedded bolts are screwed and then pressed tightly on the backing plate 4; by adopting the technical scheme: the beam and the embedded bolt are locked through the base plate and the first nut, so that the beam is prevented from being separated;

as shown in fig. 4, the cross section of any one of the cross beams 1 is a U-shaped structure with a downward opening, a plurality of open grooves 102 are formed at intervals at the lower parts of the vertical plates at two sides of the U-shaped structure, and all the open grooves 102 are arranged along the length direction of the cross beam 1; a semicircular arc section is arranged on the open slot 102 far away from the open end and can be tightly pressed on the embedded bolt;

a T-shaped groove 101 is formed in the center of the top surface of the cross beam 1, and the T-shaped groove 101 is arranged along the length direction of the cross beam 1;

as shown in fig. 5, any one of the pillars 2 includes a T-shaped block 201, and the T-shaped block 201 is arranged corresponding to the T-shaped groove 101;

the top surface of the T-shaped block 201 is provided with a stud 202 and an upper rod 203 in sequence, wherein the stud 202 is arranged on the top surface of the cross beam 1 through a second nut, and the outer diameter of the upper rod 203 is smaller than the major diameter of the stud 202; by adopting the technical scheme: the upright post is locked on the cross beam through a second nut and is convenient to assemble and disassemble;

as shown in fig. 3, the outer circle of the upper rod 203 is provided with parallel planes perpendicular to the beam 1, the planes are provided with a plurality of screw holes 204 arranged at intervals, and a stud bolt 3 is arranged in any one of the screw holes 204; by adopting the technical scheme: the screw holes are screwed in through stud bolts;

as shown in fig. 7, eyenuts are arranged on the stud bolts 3 at the two ends of any one of the beams 1, the eyenuts on the same side and the same horizontal plane of the two beams 1 are connected through a second steel wire rope, and steel wire rope clamps are arranged at the two ends of any one second steel wire rope; by adopting the technical scheme: the end part of the second steel wire rope bypasses a lifting ring of the lifting ring nut and is locked through the steel wire rope clamp.

During specific implementation, the wire rope clamping device, the first wire rope, the second wire rope, the wire rope clamp, the first nut, the second nut and the lifting ring nut are purchased parts.

In conclusion, the safety protection device for the top of the main tower of the suspension bridge, provided by the utility model, is reasonable in structure and convenient to assemble and disassemble, the embedded bolts are sealed in the range of the top sealing of the main tower in the later period, the cross beam, the stand column and the steel wire rope are convenient to assemble and disassemble and can be fully utilized, gas cutting is not needed in the later period, and time and labor are saved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a suspension bridge main tower top of tower safety device, is including installing crossbeam (1) of the parallel arrangement who installs the district in main tower cable saddle arrangement, its characterized in that: main tower cable saddle settling area be provided with the pre-buried bolt that the several was arranged along the level, the both ends of pre-buried bolt expose concrete foundation part and are the screw thread section, the lower part of an arbitrary crossbeam (1) is all installed on pre-buried bolt, the top surface of an arbitrary crossbeam (1) all is provided with stand (2) that the several interval was arranged, all be provided with several stud (3) along vertical arrangement on an arbitrary stand (2), all be provided with the wire rope fixing-line device between two arbitrary adjacent stands (2), connect through first wire rope between two wire rope fixing-line devices.

2. The safety device for the top of the main tower of the suspension bridge as claimed in claim 1, wherein: both sides of any one of the cross beams (1) are connected with the embedded bolts through first nuts.

3. The safety device for the top of the main tower of the suspension bridge as claimed in claim 2, wherein: the end face of the outer side of any one of the cross beams (1) is provided with a backing plate (4).

4. The safety device for the top of the main tower of the suspension bridge as claimed in claim 3, wherein: any one backing plate (4) on all be provided with waist type hole, contain the embedded bolt with one side in the waist type hole, first nut compresses tightly on backing plate (4) with embedded bolt after screwing.

5. The safety device for the top of the main tower of the suspension bridge as claimed in claim 4, wherein: the cross section of any one crossbeam (1) is a U-shaped structure with a downward opening, a plurality of open grooves (102) arranged at intervals are formed in the lower portions of vertical plates on two sides of the U-shaped structure, and all the open grooves (102) are arranged along the length direction of the crossbeam (1).

6. The safety device for the top of the main tower of the suspension bridge as claimed in claim 5, wherein: the top surface center of crossbeam (1) be provided with T type groove (101), T type groove (101) are arranged along the length direction of crossbeam (1).

7. The safety device for the top of the main tower of the suspension bridge as claimed in claim 6, wherein: any one upright post (2) comprises a T-shaped block (201), and the T-shaped block (201) is arranged corresponding to the T-shaped groove (101).

8. The safety device for the top of the main tower of the suspension bridge as claimed in claim 7, wherein: the top surface of the T-shaped block (201) is upwards provided with a stud (202) and an upper rod (203) in sequence, wherein the stud (202) is installed on the top surface of the cross beam (1) through a second nut, and the outer diameter of the upper rod (203) is smaller than the major diameter of the stud (202).

9. The safety device for the top of the main tower of the suspension bridge as claimed in claim 8, wherein: the outer circle of the upper rod (203) is provided with planes which are arranged in parallel and are perpendicular to the cross beam (1), the planes are provided with a plurality of screw holes (204) which are arranged at intervals, and a stud bolt (3) is arranged in any one of the screw holes (204).

10. The safety device for the top of the main tower of the suspension bridge as claimed in claim 9, wherein: and hoisting nuts are arranged on the stud bolts (3) at the two ends of any one of the cross beams (1), the two cross beams (1) are connected with the hoisting nuts at the same side and the same horizontal plane through a second steel wire rope, and steel wire rope clamps are arranged at the two ends of any one of the second steel wire ropes.