CN216339073U - Suspension bridge suspension cable tensioning device - Google Patents

Abstract

The utility model relates to the field of suspension bridges, and specifically discloses a suspension cable tensioning device for a suspension bridge, comprising: a box body; a slot located outside the box body for guiding and communicating the suspension cables; a bracket, which is fixed to the box body connection; tensioning device, the tensioning device is fixedly connected with the inside of the box body; at least two sets of locking assemblies, two sets of locking assemblies are respectively fixed and installed outside the two sides of the slot; wherein, the tensioning device includes: a transmission The connecting assembly, the transmission connecting assembly is connected with the box body; the driving connecting assembly, the driving connecting assembly is connected with the box body, and is used to cooperate with the transmission connecting assembly to complete the tensioning drive of the sling, and the device is connected to the drive through the transmission connecting assembly The cooperation of the connecting components realizes the tensioning and fixing of the suspension cables of the suspension bridge, and at the same time, the tensioning degree can be adjusted, and a locking component is provided outside to complete the partial locking after the tensioning and fixing, which further improves the tensioning stability.

Description

A suspension bridge suspension cable tensioning device

technical field

The utility model relates to the suspension bridge industry, in particular to a suspension cable tensioning device of a suspension bridge.

Background technique

Suspension bridges, also known as suspension bridges, refer to bridges in which cables (or steel chains) are suspended and anchored on both banks (or both ends of the bridge) through cable towers as the main load-bearing components of the upper structure. The cable geometry is determined by the equilibrium conditions of the forces, generally close to a parabola.

When the existing suspension bridge rope is affected by external force, it is easy to sway, which affects the stability of the bridge body. Therefore, in order to solve this problem, it is urgent to develop a suspension bridge suspension cable tensioning device.

Utility model content

The purpose of the present invention is to provide a suspension cable tensioning device of a suspension bridge to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A suspension cable tensioning device for a suspension bridge, comprising:

box;

Slots on the outside of the box are used for the guide connection of the sling;

a bracket, the bracket is fixedly connected with the box body;

A tensioning device, the tensioning device is fixedly connected to the inside of the box;

At least two sets of locking components, two sets of locking components are fixedly installed on the outside of the two sides of the slot, used to cooperate with the tensioning device to complete the locking control of the sling;

Wherein, the tensioning device includes:

a transmission connection assembly, the transmission connection assembly is connected with the box body, and is used for the transmission connection of the sling;

The drive connection assembly is connected with the box body and is used to cooperate with the transmission connection assembly to complete the tensioning drive of the sling.

Compared with the prior art, the beneficial effects of the present utility model are: the device has a reasonable design, realizes the tension and fixation of the suspension cables of the suspension bridge through the cooperation of the transmission connection component and the drive connection component, and can adjust the tension degree at the same time, and the external A locking component is provided to complete the partial locking after tensioning and fixing, which further improves the tensioning stability, improves the deficiencies of the existing device, has high practicability and market prospect, and is suitable for widespread use.

Description of drawings

FIG. 1 is a schematic diagram of the internal structure of a suspension cable tensioning device of a suspension bridge in an embodiment of the present invention.

2 is a schematic diagram of the external structure of a suspension cable tensioning device of a suspension bridge in an embodiment of the present invention.

3 is a front view of a suspension cable tensioning device for a suspension bridge in an embodiment of the present invention.

In the figure: 1-box, 2-tensioner, 3-transmission connection assembly, 4-drive connection assembly, 5-limit assembly, 6-lock assembly, 101-slot, 102-support, 301-section A fixed axle frame, 302 - the first drive roller, 303 - the connecting axle frame, 304 - the second drive roller, 401 - the first drive part, 402 - the limit seat, 403 - the second fixed axle frame, 404 - the second Driving part, 501-limiting groove, 502-connecting bump, 601-third driving part, 602-locking frame.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A suspension cable tensioning device for a suspension bridge, as shown in Figures 1 and 2, in one embodiment of the present invention, includes: a box body 1; a slot 101 located outside the box body 1 for guiding the suspension cables Bracket 102, the bracket 101 is fixedly connected with the box 1; tensioning device 2, the tensioning device 2 is fixedly connected with the inside of the box 1; at least two sets of locking assemblies 6, two sets of locking assemblies 6 They are respectively fixed and installed outside the two sides of the slot 101, and are used to cooperate with the tensioning device 2 to complete the locking control of the sling; wherein, the tensioning device 2 includes: a transmission connection assembly 3, the transmission connection assembly 3 and the box The body 1 is connected to the transmission connection of the sling; the drive connection assembly 4 is connected to the box body 1 and used to cooperate with the transmission connection assembly 3 to complete the tensioning drive of the sling.

In one embodiment of the present invention:

As shown in FIG. 1 , the transmission connection assembly 3 includes: at least three first fixed axle brackets 301, the first fixed axle brackets 301 are fixedly connected with the inside of the box body 1; a first transmission roller 302, the first The transmission roller 302 is rotatably connected with the first fixed axle frame 301; the connection axle frame 303 is fixedly connected with the box body 1; the second transmission roller 304, the second transmission roller 304 rotates with the connection axle frame 303 connect;

The external sling enters the inside of the box 1 through the slot 101, and then the V-shaped abutting transmission is performed outside the three internal first transmission rollers 302, which further improves the tensioning ability of the sling, and then the sling passes through the second transmission in turn. The roller 304 is connected with the drive connection assembly 4 in a driving manner, and a slot (not shown in the figure) is also provided outside the box body 1 .

In one embodiment of the present invention:

As shown in FIG. 1 , the drive connection assembly 4 includes: a first drive member 401, which is fixedly connected to the inside of the box body 1; the first drive member 401 is an electric telescopic frame; a limit seat 402, the limit seat 402 is slidably connected to the bottom of the box body 1; the second fixed axle bracket 403, the second fixed axle bracket 403 is fixedly connected to the limit seat 402; the second drive member 404, the second drive The second driving member 404 is fixedly connected with the second fixed axle frame 403; the second driving member 404 is an electric driving roller;

The sling tensioned by the second drive roller 304 is wound and connected to the second drive member 404, and the end of the sling away from the bridge body is fixedly connected to the second drive roller 304. At the same time, driven by the first drive member 401, it can be The second driving member 404 at the bottom is driven to move laterally by the limiting seat 402, so as to further adjust the tension of the hoisting.

In one embodiment of the present invention:

As shown in FIG. 1 and FIG. 2 , the drive connection assembly 4 further includes: a limit assembly 5 , and the limit assembly includes: at least two limit slots 501 , and the limit slots 501 are arranged inside the box body 1 . ; connecting bump 502, one end of the connecting bump 502 is fixedly connected with the limit seat 402, and the other end is connected with the limit slot 501 through sliding connection;

When the limit seat 402 and its bottom driving device move laterally, the external connection bumps 502 can limit the movement in the limiting groove 501 to prevent displacement during movement, and at the same time play a longitudinal limit support for the bottom driving device. effect.

In one embodiment of the present invention:

As shown in FIG. 1 and FIG. 3 , the locking assembly 6 includes: a third driving member 601, the third driving member 601 is fixedly connected with the box body 1; the third driving member 601 is an electric telescopic frame; A locking frame 602, the locking frame 602 is fixedly connected with the third driving member 601, and is slidably connected with the box body 1, and is used for the tension limit of the sling;

After the second driving member 404 drives the outer sling to complete the rolling and tightening, the third driving member 601 disposed on both sides of the outer side of the slot 101 operates, and the locking frames 602 on the inner and outer sides move in the opposite direction, connecting the slings connected to the inside. Reverse tension to complete the partial locking of the sling.

To sum up, the design of this device is reasonable. Through the cooperation of the transmission connection component and the drive connection component, the tension and fixation of the suspension cable of the suspension bridge can be realized, and the tension degree can be adjusted at the same time. Partial locking further improves tensioning stability.

The working principle of the present utility model is as follows: the external sling enters the inside of the box body 1 through the slot 101, and then the V-shaped abutting transmission is performed outside the three internal first drive rollers 302, which further improves the tensioning ability of the sling. Then, the sling is connected with the drive connection assembly 4 through the second transmission roller 304 in turn. A slot (not shown in the figure) is also provided outside the box body 1, and the sling tensioned by the second transmission roller 304 It is wound and connected with the second driving member 404, and the end of the suspension cable away from the bridge body is fixedly connected with the second driving roller 304. At the same time, under the driving of the first driving member 401, the bottom second driving member can be driven by the limit seat 402. 404 moves laterally, so as to further adjust the tension of the hoisting. When the limit seat 402 and its bottom driving device move laterally, the external connection bump 502 can limit the movement in the limit groove 501 to prevent deviation during movement. At the same time, it acts as a longitudinal limit support for the bottom driving equipment. When the second driving member 404 drives the external sling to complete the rolling and tightening, the third driving member 601 arranged on both sides of the outer side of the slot 101 operates, inside and outside the sling. The locking frames 602 on both sides move in the opposite direction to reversely tighten the slings connected to the inside, so as to complete the partial locking of the slings.

Claims (5)

1. A suspension bridge suspension cable tensioning device, comprising:

a box body;

the open groove is positioned outside the box body and used for guiding and communicating the sling;

the bracket is fixedly connected with the box body;

the tensioning device is fixedly connected with the interior of the box body;

the two groups of locking assemblies are respectively and fixedly arranged outside the two sides of the groove and are used for matching with the tensioning device to complete locking control of the sling;

wherein the tensioner comprises:

the transmission connecting assembly is connected with the box body and is used for transmission connection of the sling;

and the driving connecting assembly is connected with the box body and used for matching with the driving connecting assembly to complete the tensioning driving of the sling.

2. The suspension bridge suspension cable tensioner of claim 1, wherein the drive connection assembly comprises:

the first fixed shaft brackets are fixedly connected with the interior of the box body;

the first transmission roller is rotationally connected with the first fixed shaft bracket;

the connecting shaft bracket is fixedly connected with the box body;

and the second driving roller is rotatably connected with the connecting shaft frame.

3. The suspension bridge suspension tensioning device of claim 1, wherein the drive connection assembly comprises:

the first driving piece is fixedly connected with the interior of the box body;

the limiting seat is connected with the bottom of the box body in a sliding manner;

the second fixed shaft bracket is fixedly connected with the limiting seat;

and the second driving piece is fixedly connected with the second fixed shaft bracket.

4. The suspension bridge suspension tensioning device of claim 3, wherein the drive connection assembly further comprises:

spacing subassembly, spacing subassembly includes:

the limiting grooves are arranged in the box body;

and one end of the connecting lug is fixedly connected with the limiting seat, and the other end of the connecting lug is in sliding connection with the inside of the limiting groove in a penetrating manner.

5. The suspension bridge suspension cable tensioning device of claim 1, wherein the locking assembly comprises;

the third driving piece is fixedly connected with the box body;

and the locking frame is fixedly connected with the third driving piece, is connected with the box body in a sliding manner, and is used for tensioning and limiting the sling.

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