CN110924297A

CN110924297A - Bridge expansion joint steel bar leveling device and using method

Info

Publication number: CN110924297A
Application number: CN201911156637.9A
Authority: CN
Inventors: 付志伟; 刘兆华; 祝文斌; 金强; 孙纯
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-03-27

Abstract

The invention discloses a bridge expansion joint reinforcing steel bar leveling device which comprises a long rod and a lifting rod hinged with the long rod, wherein the bottom of the lifting rod is provided with a hook, and the hook is suitable for being connected with bridge expansion joint reinforcing steel bars. The lifting device also comprises a positioning frame which acts on the bottom of one side of the long rod for lifting, and the long rod, the lifting rod and the positioning frame form a supporting structure. The simple device is simple to operate, can adjust the position and the length of the pull rod according to actual conditions, has higher flexibility, overcomes the defects of slow adjustment, labor waste, time waste and the like caused by manually using tools such as pliers and the like in the traditional sense, is safe and reliable in construction, increases the working efficiency of constructors, enhances the operability and the practicability, greatly saves manpower and construction cost, and has greater construction superiority in the aspects of improving the working efficiency, ensuring the stress of a bridge structure, preventing the bridge deck from jumping and the like.

Description

Bridge expansion joint steel bar leveling device and using method

Technical Field

The invention belongs to a bridge expansion joint reinforcing steel bar leveling device, and particularly relates to a bridge expansion joint reinforcing steel bar leveling device and a using method thereof.

Background

At present, in the bridge construction process, most of bridges are provided with expansion joint devices for keeping the whole stress balance, the installation of the expansion joints is considered to be effectively and accurately connected with the reserved steel bars, the influence of external force extrusion or concrete expansion and contraction is reduced, and the safety and reliability of the bridges in the use process are ensured so as to prolong the service life of the bridges. In the construction process, the reserved steel bars are possibly bent and can not be well connected with the expansion joint device consistently, so that the phenomenon of vehicle jumping is caused.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: provides a bridge expansion joint reinforcing steel bar leveling device and a using method thereof.

In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a bridge expansion joint reinforcing steel bar leveling device which comprises a long rod and a lifting rod hinged with the long rod, wherein the bottom of the lifting rod is provided with a hook, and the hook is suitable for connecting bridge expansion joint reinforcing steel bars.

Preferably, the lifting device further comprises a positioning frame which acts on the bottom of one side of the long rod, wherein the long rod, the lifting rod and the positioning frame form a supporting structure.

Preferably, the upper end of the lifting rod is in threaded connection with a sleeve, and the sleeve is hinged with the long rod.

Preferably, the long rod is provided with continuous connecting holes hinged with the sleeve.

Preferably, the spacer includes a vertical support and a horizontal support.

Preferably, the horizontal support is a cross-shaped structure.

Preferably, the top of the positioning frame is in a tip shape, and the long rod is provided with a continuous groove matched with the tip shape.

The invention also discloses a using method of the bridge expansion joint reinforcing steel bar leveling device, the center point and two side points of the expansion joint are positioned by using a total station, the three points determine a straight line, the bridge expansion joint reinforcing steel bar leveling device is erected at two ends of the expansion joint according to the leveling requirement, and the bottom of the lifting rod is provided with a hook to connect the bridge expansion joint reinforcing steel bar to be lifted upwards for leveling.

Compared with the prior art, the invention can obtain the following technical effects:

the simple device is simple to operate, can adjust the position and the length of the pull rod according to actual conditions, has higher flexibility, overcomes the defects of slow adjustment, labor waste, time waste and the like caused by manually using tools such as pliers and the like in the traditional sense, is safe and reliable in construction, increases the working efficiency of constructors, enhances the operability and the practicability, greatly saves manpower and construction cost, and has greater construction superiority in the aspects of improving the working efficiency, ensuring the stress of a bridge structure, preventing the bridge deck from jumping and the like.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a spacer.

In the figure:

1 long rod

2 pulling rod

3 positioning frame

31 vertical support

32 horizontal support

4, sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1-2: the telescopic rod comprises a long rod 1 and a lifting rod 2 hinged with the long rod 1, wherein the bottom of the lifting rod 2 is provided with a hook, and the hook is suitable for being connected with a bridge expansion joint reinforcing steel bar. Still include locating rack 3, its side bottom that acts on stock 1 to raise, stock 1, pull-up pole 2, locating rack 3 form bearing structure. The upper end of the pull-up rod 2 is connected with a sleeve 4 through threads, and the sleeve is hinged with the long rod 1. The long rod 1 is provided with continuous connecting holes hinged with the sleeve 4. The spacer 3 includes a vertical support 31 and a horizontal support 32. The horizontal support 32 is a cruciform configuration. The top of the locating rack 3 is in a tip shape, and the long rod 1 is provided with a continuous groove matched with the tip shape.

A method for using a bridge expansion joint reinforcing steel bar leveling device comprises the steps of positioning the center point and two side points of an expansion joint by using a total station, determining a straight line by using the three points, erecting the bridge expansion joint reinforcing steel bar leveling device at two ends of the expansion joint according to leveling requirements, and upwards pulling and lifting a bridge expansion joint reinforcing steel bar connected with a hook at the bottom of a pulling and lifting rod 2 for leveling.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bridge expansion joint reinforcing bar levelling device which characterized in that: the telescopic rod comprises a long rod (1) and a lifting rod (2) hinged with the long rod (1), wherein a hook is arranged at the bottom of the lifting rod (2), and the hook is suitable for being connected with a bridge expansion joint reinforcing steel bar.

2. The bridge expansion joint reinforcing bar leveling device of claim 1, wherein: the lifting device is characterized by further comprising a positioning frame (3) acting on the bottom of one side of the long rod (1) for lifting, and the long rod (1), the lifting rod (2) and the positioning frame (3) form a supporting structure.

3. The bridge expansion joint reinforcing bar leveling device of claim 2, wherein: the upper end of the pull-up rod (2) is in threaded connection with a sleeve (4), and the sleeve is hinged with the long rod (1).

4. The bridge expansion joint reinforcing bar leveling device of claim 3, wherein: the long rod (1) is provided with continuous connecting holes hinged with the sleeve (4).

5. The bridge expansion joint reinforcing bar leveling device of claim 2, wherein: the positioning frame (3) comprises a vertical support (31) and a horizontal support (32).

6. The bridge expansion joint reinforcing bar leveling device of claim 5, wherein: the horizontal support (32) is of a cross-shaped structure.

7. The bridge expansion joint reinforcing bar leveling device of claim 2, wherein: the top of the positioning frame (3) is in a tip shape, and the long rod (1) is provided with a continuous groove matched with the tip shape.

8. The use method of the bridge expansion joint reinforcing steel bar leveling device according to any one of claims 1 to 7, wherein: the center point and two side points of the expansion joint are positioned by using a total station, the three points determine a straight line, the bridge expansion joint reinforcing steel bar leveling devices are erected at two ends of the expansion joint according to leveling requirements, and the bottom of the lifting rod (2) is provided with a hook to connect the bridge expansion joint reinforcing steel bar to be lifted upwards for leveling.