CN218958468U

CN218958468U - Cable telescopic bracket in bridge

Info

Publication number: CN218958468U
Application number: CN202320081154.2U
Authority: CN
Inventors: 张伟清; 孔银祥; 骆敏; 林汉东; 徐勉; 李荻波
Original assignee: Zhejiang Baoye Construction Group Co ltd
Current assignee: Zhejiang Baoye Construction Group Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-02
Anticipated expiration: 2033-01-13

Abstract

The utility model relates to a cable telescopic bracket in a bridge, which comprises two front and rear opposite upper supporting beams, wherein two obliquely arranged side supporting beams are arranged on two sides of the upper supporting beams, two ends of the upper supporting beams and the upper ends of the side supporting beams are respectively pivoted on two longitudinal carrier rollers, the lower ends of the side supporting beams are pivoted on two longitudinal connecting rollers, and the connecting rollers are distributed on two sides of the carrier rollers; the end parts of the connecting roller and the supporting roller are respectively fixed with a screw rod, the screw rods at the end parts of the connecting roller and the supporting roller are respectively connected with a plurality of limit nuts in a threaded manner, the screw rods are inserted into the upper supporting beam and the side supporting beam, and the limit nuts are distributed at the front side and the rear side of the upper supporting beam and the side supporting beam. The device is a telescopic bracket with an arch structure, can bear cables with large wire diameters between the bridge frames, and can meet the function of the compensator.

Description

Cable telescopic bracket in bridge

Technical field:

the utility model relates to the technical field of cable bridges, in particular to a telescopic bracket for cables in a bridge.

The background technology is as follows:

at present, when an electric bridge frame passes through a deformation joint of a building, a compensator is generally installed. When the building is displaced, the compensator can retract or stretch, so that safety accidents caused by bridge deformation due to overlarge stress are avoided. The bridge horizontal expansion joint is used as a common compensator, is widely applied to buildings, and is used for bearing the deformation of the bridge caused by the displacement of the buildings at the positions of a settlement joint, a deformation joint and the like. The existing expansion joint is generally a connecting pipe of a corrugated pipe structure or a floating wire groove capable of axially moving, but the wire diameter of a cable which is generally borne is not large no matter the connecting pipe or the floating wire groove, and the cable with a large wire diameter cannot be contained in the connecting pipe or the floating wire groove, but the connecting pipe or the floating wire groove cannot bear the weight of the cable with the large wire diameter, so that a corresponding compensator is required to be designed for the cable with the large wire diameter.

The utility model comprises the following steps:

the utility model aims at overcoming the defects of the prior art, and provides a cable telescopic bracket in a bridge, which can effectively bear a cable with a large wire diameter and meet the function of a compensator.

The telescopic support comprises two front and rear opposite upper support beams, two obliquely arranged side support beams are arranged on two sides of the upper support beams, two ends of the upper support beams and the upper ends of the side support beams are respectively pivoted on two longitudinal carrier rollers, the lower ends of the side support beams are pivoted on two longitudinal connecting rollers, and the connecting rollers are distributed on two sides of the carrier rollers;

the end parts of the connecting roller and the supporting roller are respectively fixed with a screw rod, the screw rods at the end parts of the connecting roller and the supporting roller are respectively connected with a plurality of limit nuts in a threaded manner, the screw rods are inserted into the upper supporting beam and the side supporting beam, and the limit nuts are distributed at the front side and the rear side of the upper supporting beam and the side supporting beam.

Preferably, the length of the screws at the two ends of the connecting roller is larger than that of the screws at the two ends of the supporting roller.

Preferably, the two sides of the supporting roller are provided with a bridge, the side supporting beams and the connecting roller are inserted in the bridge, and the screw rods at two ends of the connecting roller penetrate through the bridge to be screwed and fixed with the fastening nuts.

Preferably, the bridge is internally provided with a cable, and the cable is erected on the bearing roller and the connecting roller.

Preferably, the front side and the rear side of the cable are propped against a limit baffle, and the limit baffle plug bush is fixed on the carrier roller.

Preferably, a plurality of transverse supporting beams are fixed between the bridge frames, the transverse supporting beams are distributed on the front side and the rear side of the telescopic bracket, vertical supporting beams are fixed between the transverse supporting beams, and guide grooves are fixedly sleeved on the vertical supporting beams; the middle part of the upper supporting beam is fixed with a longitudinal limiting shaft which is inserted into the guide groove of the vertical supporting beam.

Preferably, the end part of the limiting shaft is connected with a guide wheel through a bearing, and the guide wheel is inserted into a guide groove of the vertical supporting beam.

Preferably, the transverse supporting beam consists of two supporting beams, a gap is arranged between the end parts of the supporting beams, a supporting pipe sleeve is fixedly inserted on the supporting beam on one side of the transverse supporting beam, and the supporting beam on the other side of the transverse supporting beam is inserted in the supporting pipe sleeve; and two ends of the vertical supporting beam are fixed on the supporting pipe sleeve.

The utility model has the beneficial effects that:

the device is a telescopic bracket with an arch structure, can bear cables with large wire diameters between the bridge frames, and can meet the function of the compensator.

Description of the drawings:

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic side view of the utility model mounted in a bridge;

fig. 3 is a schematic cross-sectional view of the utility model installed in a bridge.

In the figure: 1. an upper support beam; 2. a carrier roller; 3. a side support beam; 4. a connecting roller; 5. a limit nut; 6. a bridge; 7. a cable; 8. a transverse strut beam; 9. a vertical support beam; 91. a guide groove; 10. a limiting shaft; 11. and a guide wheel.

The specific embodiment is as follows:

examples: as shown in fig. 1, an in-bridge cable telescopic bracket comprises two front and rear opposite upper support beams 1, two inclined side support beams 3 are arranged on two sides of the upper support beams 1, two ends of the upper support beams 1 and the upper ends of the side support beams 3 are respectively pivoted on two longitudinal supporting rollers 2, the lower ends of the side support beams 3 are pivoted on two longitudinal connecting rollers 4, and the connecting rollers 4 are distributed on two sides of the supporting rollers 2;

the end parts of the connecting roller 4 and the carrier roller 2 are respectively fixed with a screw rod, the screw rods at the end parts of the connecting roller 4 and the carrier roller 2 are respectively connected with a plurality of limit nuts 5 in a screwed manner, the screw rods are inserted into the upper support beam 1 and the side support beam 3, and the limit nuts 5 are distributed on the front side and the rear side of the upper support beam 1 and the side support beam 3.

As shown in fig. 1 and 2, the length of the screws at the two ends of the connecting roller 4 is larger than that of the screws at the two ends of the supporting roller 2.

As shown in fig. 2 and 3, two sides of the carrier roller 2 are provided with a bridge 6, the side supporting beams 3 and the connecting rollers 4 are inserted into the bridge 6, and screws at two ends of the connecting rollers 4 penetrate through the bridge 6 to be screwed and fixed with fastening nuts.

As shown in fig. 3, the cable 7 is inserted into the bridge 6, and the cable 7 is erected on the backup roller 2 and the connecting roller 4.

The front side and the rear side of the cable 7 are abutted against limit baffles, and limit baffles are fixed on the carrier roller 2 in a plug bush manner.

As shown in fig. 3, a plurality of transverse supporting beams 8 are fixed between the bridge frames 6, the transverse supporting beams 8 are distributed on the front side and the rear side of the telescopic bracket, vertical supporting beams 9 are fixed between the transverse supporting beams 8, and guide grooves 91 are fixedly sleeved on the vertical supporting beams 9; the middle part of the upper supporting beam 1 is fixed with a longitudinal limiting shaft 10, and the limiting shaft 10 is inserted into a guide groove 91 of the vertical supporting beam 9.

As shown in fig. 3, the end of the limiting shaft 10 is connected with a guide wheel 11 through a bearing, and the guide wheel 11 is inserted into a guide groove 91 of the vertical supporting beam 9.

The transverse supporting beams 8 consist of two supporting beams, a gap is arranged between the end parts of the supporting beams, a supporting pipe sleeve is fixedly inserted on the supporting beam on one side of the transverse supporting beams 8, and the supporting beam on the other side of the transverse supporting beams 8 is inserted in the supporting pipe sleeve; the two ends of the vertical supporting beam 9 are fixed on the supporting pipe sleeve.

Working principle: the utility model is a cable telescopic bracket in a bridge, the body structure of the cable telescopic bracket is shown in figure 1, the structure mounted in the bridge 6 is shown in figures 2 and 3, wherein figure 2 is a schematic diagram in side view, figure 3 is a schematic diagram in front view, so that the telescopic bracket is composed of an upper supporting beam 1, a side supporting beam 3, a carrier roller 2 and a connecting roller 4, the connecting roller 4 is mounted on the bridge 6, a cable 7 is erected on the telescopic bracket and mainly is placed on the carrier roller 2 and the connecting roller 4, and the upper supporting beam 1, the side supporting beam 3, the carrier roller 2 and the connecting roller 4 form an arched skeleton structure;

when the interval between the bridge frames 6 is reduced, the inclination angle of the side support beams 3 is increased, the side support beams 3 move upwards, and the telescopic support realizes compression;

when the interval between the bridge frames 6 is enlarged, the inclination angle of the side support beams 3 is changed, the side support beams 3 move downwards, and the telescopic support realizes stretching; thereby satisfying the function of the compensator.

The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.

Claims

1. The utility model provides a cable telescopic bracket in crane span structure, telescopic bracket includes two front and back relative upper supporting beam (1), and the both sides of upper supporting beam (1) are equipped with two side supporting beams (3) of putting to one side, its characterized in that: the two ends of the upper supporting beam (1) and the upper ends of the side supporting beams (3) are respectively pivoted on two longitudinal supporting rollers (2), the lower ends of the side supporting beams (3) are pivoted on two longitudinal connecting rollers (4), and the connecting rollers (4) are distributed on two sides of the supporting rollers (2);

the screw rods are respectively fixed at the end parts of the connecting roller (4) and the supporting roller (2), a plurality of limit nuts (5) are respectively screwed on the screw rods at the end parts of the connecting roller (4) and the supporting roller (2), the screw rods are inserted on the upper supporting beam (1) and the side supporting beam (3), and the limit nuts (5) are distributed at the front side and the rear side of the upper supporting beam (1) and the side supporting beam (3).

2. The cable-in-bridge telescoping support of claim 1, wherein: the length of the screws at the two ends of the connecting roller (4) is larger than that of the screws at the two ends of the supporting roller (2).

3. The cable-in-bridge telescoping support of claim 2, wherein: the two sides of the supporting roller (2) are provided with a bridge frame (6), the side supporting beams (3) and the connecting roller (4) are inserted into the bridge frame (6), and screws at two ends of the connecting roller (4) penetrate through the bridge frame (6) to be fixedly connected with fastening nuts in a threaded manner.

4. A cable expansion bracket according to claim 3, wherein: the cable (7) is inserted into the bridge frame (6), and the cable (7) is erected on the supporting roller (2) and the connecting roller (4).

5. The cable-in-bridge telescoping support of claim 4, wherein: the front side and the rear side of the cable (7) are propped against limit baffles, and the limit baffles are fixed on the carrier roller (2) in a plug bush manner.

6. A cable expansion bracket according to claim 3, wherein: a plurality of transverse supporting beams (8) are fixed between the bridge frames (6), the transverse supporting beams (8) are distributed on the front side and the rear side of the telescopic bracket, vertical supporting beams (9) are fixed between the transverse supporting beams (8), and guide grooves (91) are fixedly sleeved on the vertical supporting beams (9); the middle part of the upper supporting beam (1) is fixed with a longitudinal limiting shaft (10), and the limiting shaft (10) is inserted into a guide groove (91) of the vertical supporting beam (9).

7. The cable-in-bridge telescoping support of claim 6, wherein: the end part of the limiting shaft (10) is connected with a guide wheel (11) through a bearing, and the guide wheel (11) is inserted into a guide groove (91) of the vertical supporting beam (9).

8. The cable-in-bridge telescoping support of claim 6, wherein: the transverse supporting beams (8) consist of two supporting beams, a gap is arranged between the end parts of the supporting beams, a supporting pipe sleeve is fixedly inserted on the supporting beam on one side of the transverse supporting beams (8), and the supporting beam on the other side of the transverse supporting beams (8) is inserted in the supporting pipe sleeve; both ends of the vertical supporting beam (9) are fixed on the supporting pipe sleeve.