CN110656578A - Device and method for detecting ultra-high altitude highway bridge bottom plate and support - Google Patents

Abstract

The invention relates to a detection device for a bridge bottom plate and a support of an ultra-high altitude highway, which comprises a bridge body and bridge guardrails, wherein hanging channel ladders are hung on the bridge guardrails on two sides of the bridge body, the bottoms of the two hanging channel ladders are connected through a steel wire rope positioned below the bridge bottom plate, a detection pulley is arranged on the steel wire rope, and a remote control camera is arranged at the top of the detection pulley. This super high altitude highway bridge bottom plate and support detection device's simple structure adopts and hangs the passageway ladder, makes things convenient for the measurement personnel to be close highway bridge bottom plate and support, utilizes the camera technique to detect through detecting the coaster, and safety and economical and practical to the testing process does not influence the bridge floor car and normally passes.

Description

Super-altitude highway bridge floor and bearing detection device and detection method

technical field

The invention relates to a detection device and a detection method for a base plate and a bearing of a super-altitude highway bridge, and belongs to the field of bridge safety detection.

Background technique

With the increasing improvement of infrastructure in my country, the detection technology of various buildings needs to be developed urgently. Highway bridges are the first to bear the brunt. In view of the large number of high-altitude highway bridges built in my country, how to detect the installation quality and damage of bridge bottom plates and bearings has become a difficult problem.

Traditional bridge inspection vehicles are too bulky and cannot guarantee the safety of inspectors. With the development of camera detection technology, how to easily detect the floor and bearing of highway bridges has become the focus of attention in the field of highway bridge detection.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a detection device and detection method for the floor and support of a super-altitude highway bridge.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is: an ultra-high-altitude highway bridge floor and support detection device, including a bridge body and a bridge guardrail, the bridge guardrails on both sides of the bridge body are suspended with suspended access ladders, and two suspended access ladders are suspended. The bottoms of the access ladders are connected by wire ropes located under the bridge bottom plate, and a detection pulley is arranged on the steel wire ropes, and a remote control camera is installed on the top of the detection pulley.

Preferably, the tops of the suspended access ladders are all fixed with suspension parts that are internally buckled on the bridge guardrail.

Preferably, the hanging parts are all inner button-type access ladders, and the hanging access ladders have an "η"-shaped structure as a whole.

Preferably, the inner side of the middle part of the suspended access ladder is supported on the bridge web in the vertical plane through the reaction force struts, and the outer ends of the reaction force braces are all fixedly connected with the middle part of the suspended access ladder.

Preferably, the steel wire rope and the bottom of the suspended access ladder are connected and tightened by a rope tightener.

Preferably, four rollers are installed on the bottom of the detection pulley, the circumferences of the rollers all have concave V-shaped cross-section wheel grooves, the number of wire ropes is two, and the rollers roll on the wire ropes.

Preferably, a closed loop located below the wheel is fixed on the wheel frame at the bottom of the detection pulley for installing the wheel, and the closed loop encloses the wheel, so that the wire rope passing through the groove of the wheel is not easy to come out.

Preferably, the detection pulley is bound with a left traction rope and a right traction rope for pulling the movement detection pulley.

Preferably, the middle and lower parts of the suspended access ladder are inclined from top to bottom toward the middle part of the bridge body.

A detection method for a superaltitude highway bridge bottom plate and a support detection device is carried out according to the following steps: a person located on the left side of the bridge can pull the left traction rope, and a person located on the right side of the bridge can pull the right traction rope, and when the detection pulley is pulled When pulling to one side, the person on the other side relaxes the traction rope. During the moving process, the detection pulley uses the camera technology to detect. The remote control camera can take pictures and take pictures to detect the bridge floor and support; the hanging access ladder is convenient for the inspectors to approach the highway bridge. Bottom plate and support.

Compared with the prior art, the present invention has the following beneficial effects: the structure of the super-altitude highway bridge floor and support detection device is simple, the suspension passage ladder is adopted, and it is convenient for inspectors to approach the highway bridge floor and supports, and a camera is used through the detection pulley. Technical detection, safe and economical, and the detection process does not affect the normal passage of vehicles on the bridge deck.

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Figure 2 is a schematic diagram of the structure of the suspended access ladder.

Figure 3 is a schematic diagram of the structure of the detection pulley.

Detailed ways

In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following specific embodiments are given and the accompanying drawings are described in detail as follows.

As shown in Figures 1 to 3, a super-altitude highway bridge floor and support detection device includes a bridge body 1 and a bridge guardrail 2. On the bridge guardrails on both sides of the bridge body are suspended access ladders 3, and two suspended access ladders The bottoms of the bridges are connected by a wire rope 4 under the bridge bottom plate, a detection pulley 5 is arranged on the steel wire rope, and a remote control camera 6 is installed on the top of the detection pulley to detect the bridge bottom plate and the support through the remote control camera.

In the embodiment of the present invention, the tops of the suspended access ladders are all fixed with suspension parts that are internally buckled on the bridge guardrail.

In the embodiment of the present invention, the hanging parts are all inner button-type access ladders 7, and the hanging access ladders have an "η"-shaped structure as a whole.

In the embodiment of the present invention, the inner side of the middle part of the suspended access ladder is supported on the bridge web 9 located in the vertical plane through the reaction force struts 8, and the outer ends of the reaction force braces are fixedly connected with the middle part of the suspended access ladder.

In the embodiment of the present invention, the steel wire rope and the bottom of the suspended access ladder are connected and tightened by the rope tightening device 10 .

In the embodiment of the present invention, four rollers 11 are installed on the bottom of the detection pulley. The circumference of the rollers has a concave V-shaped cross-section wheel groove. The number of wire ropes is two, and the rollers roll on the wire rope.

In the embodiment of the present invention, a closed loop 13 located below the wheel is fixed on the wheel frame 12 at the bottom of the detection pulley for installing the wheel. The closed loop surrounds the wheel, so that the wire rope passing through the wheel groove of the wheel is not easy to come out and prevent overturning. .

In the embodiment of the present invention, a left traction rope 14 and a right traction rope 15 are bound on the detection pulley, which are used for pulling the movement detection pulley.

In the embodiment of the present invention, the middle and lower parts of the suspended access ladder are inclined from top to bottom toward the middle part of the bridge body.

In the embodiment of the present invention, an annular guardrail 18 is fixed on the outer periphery of each climbing ladder 17 of the suspended access ladder.

A detection method for a superaltitude highway bridge bottom plate and a support detection device is carried out according to the following steps: a person located on the left side of the bridge can pull the left traction rope, and a person located on the right side of the bridge can pull the right traction rope, and when the detection pulley is pulled When pulling to one side, the person on the other side relaxes the traction rope. During the moving process, the detection pulley uses the camera technology to detect. The remote control camera can take pictures and take pictures to detect the bridge floor and support; the hanging access ladder is convenient for the inspectors to approach the highway bridge. Bottom plate 16 and support.

The present invention is not limited to the above-mentioned best embodiment, and anyone can obtain other various forms of detection devices and detection methods for superaltitude highway bridge floors and supports under the inspiration of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims (10)

1. The utility model provides an ultra-high altitude public road bridge bottom plate and support detection device, includes bridge body and bridge railing, its characterized in that: all hung on the bridge railing of bridge body both sides and hung the passageway ladder, two hang between the bottom of passageway ladder through being located the wire rope connection under the bridge bottom plate, be equipped with on the wire rope and detect the coaster, detect the coaster top and be equipped with the remote control camera.

2. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 1, wherein: the top of hanging the passageway ladder all sets firmly interior knot portion of hanging on the bridge railing.

3. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 2, wherein: the hanging part is an inner buckling type channel ladder, and the whole hanging channel ladder is of an n-shaped structure.

4. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 1, wherein: the inner side of the middle of the hanging channel ladder is supported on a bridge web plate located on a vertical plane through a counter-force support rod, and the outer end of the counter-force support rod is fixedly connected with the middle of the hanging channel ladder.

5. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 1, wherein: the steel wire rope and the bottom of the hanging channel ladder are connected and tightened by a rope tightener.

6. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 1, wherein: four rollers are installed at the bottom of the detection pulley, the peripheral parts of the rollers are provided with concave V-shaped section wheel grooves, the number of the steel wire ropes is two, and the rollers are located on the steel wire ropes to roll.

7. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 6, wherein: the closed loop below the roller is fixedly arranged on the wheel carrier used for mounting the roller at the bottom of the detection pulley, and the roller is surrounded by the closed loop, so that the steel wire rope passing through the roller groove is not easy to separate.

8. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 1, wherein: the detection pulley is bound with a left traction rope and a right traction rope and used for dragging and moving the detection pulley.

9. The device for detecting the bottom plate and the support of the ultra-high altitude highway bridge according to claim 1, wherein: the middle lower part of the hanging passage ladder is inclined downwards from the top to the middle of the bridge body.

10. The detection method for the ultrahigh-altitude highway bridge baseplate and support detection device according to any one of claims 1-9, characterized by comprising the following steps: when the detection tackle is pulled to move to one side, the other side releases the traction rope, the detection tackle is detected by using a camera technology in the moving process, and a remote control camera can take a picture and take a picture to detect a bridge bottom plate and a support; hang the passageway ladder and make things convenient for the testing personnel to be close highway bridge bottom plate and support.

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