CN217325073U

CN217325073U - Auxiliary tool for reinforcing construction of unilateral bolt steel plate of bridge steel plate and U rib

Info

Publication number: CN217325073U
Application number: CN202122396443.5U
Authority: CN
Inventors: 吉伯海; 袁周致远; 贾正伟
Original assignee: Hohai University HHU
Current assignee: Hohai University HHU
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-08-30
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses an auxiliary tool for reinforcing a bridge steel plate and a unilateral bolt steel plate of a U rib, which comprises a positioning device (4), a knob type magnetic seat (3) and a magnetic seat knob (5); wherein: the positioning device (4) is arranged in a cylindrical shape; the knob type magnetic seat (3) is arranged at one end of the positioning device (4), and the other end of the positioning device (4) can penetrate through the through hole between the U rib and the steel plate; the magnetic base knob (5) is arranged on the knob type magnetic base (3), and the knob type magnetic base (3) can be controlled to generate magnetic force or demagnetize by rotating the magnetic base knob (5). The utility model discloses can fix the hole site of steel sheet and U rib and install unilateral bolt fast for the unilateral bolt of installation can be accurate fast, improves the efficiency of the fixed steel sheet of installation.

Description

Auxiliary tool for reinforcing construction of unilateral bolt steel plate of bridge steel plate and U rib

Technical Field

The utility model relates to a local test piece of steel bridge assists erection equipment field belongs to civil engineering and mechanical assembly field. In particular to an auxiliary tool for reinforcing construction of a steel plate of a bridge and a single-side bolt steel plate of a U rib.

Background

In the case of a conventional bolt comprising a screw and a nut, which is currently used in a steel structure, a screw is inserted into one side of the bolt to clamp the nut, and the nut is tightened by a tool on the other side of the bolt. However, in some closed cross-section members or members that do not have access to a certain face, such as longitudinal closed stiffeners on some closed structures in bridges, such as orthotropic steel bridge deck boards, when they need to be reinforced, the single-sided bolts cannot be operated inside the stiffeners, and the installation cannot be performed by using common bolts. The bolts can be tightened on the outside by a special split nested taper bolt fastener (patent number: CN 106246664A) which can penetrate through the stiffening rib and enter the inner part of the longitudinal rib.

When the vertical stiffening rib fracture department that closes of orthotropic steel decking is consolidated, steel sheet weight is great, and the shape is not only, need remove and fix a position the steel sheet test piece, and the removal and the location of test piece at present stage mainly lean on the manpower, and the location of steel sheet needs people manual positioning to the steel sheet removes and needs to consume a large amount of manpowers, for guaranteeing the accurate butt joint of bolt hole during the location, also needs many people to assist and finely tunes the test piece position. The common bolt screwing method needs a person to lift the steel plate for a long time, and a worker needs to overcome a long-time force application state, so that the common method greatly reduces the working efficiency, and the key for improving the test efficiency is provided by how to finish the movement and the positioning of the test piece in a time-saving and labor-saving manner in the test.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a U rib is adsorbed to knob formula magnetism seat and quick location of steel decking and fixing device has solved the steel sheet location, removes the in-process and need consume a large amount of manpowers, the lower problem of efficiency.

The technical scheme is as follows:

an auxiliary tool for reinforcing a bridge steel plate and a U-rib unilateral bolt steel plate comprises a positioning device, a knob type magnetic seat and a magnetic seat knob; wherein:

the positioning device is arranged in a cylindrical shape;

the knob type magnetic seat is arranged at one end of the positioning device, and the other end of the positioning device can penetrate through the through hole between the U rib and the steel plate;

the magnetic base knob is arranged on the knob type magnetic base, and the knob type magnetic base can be controlled to generate magnetic force or demagnetize by rotating the magnetic base knob.

Preferably, the positioning device is a cylindrical solid metal structure.

Preferably, the outer diameter of the positioning device (4) is 1-2mm smaller than the inner diameter of the hole site on the U rib and the hole site on the steel plate.

Preferably, the knob type magnetic seat (3) is in a cuboid structure.

Preferably, the magnetic base knob (5) is arranged on the side surface of the knob type magnetic base (3)

Has the advantages that: the utility model discloses a purpose-built high-strength magnetic force seat adsorbs the test piece, reaches quick production magnetic force or demagnetization through rotatory knob, realizes accurate location and fixed, uses manpower sparingly, raises the efficiency.

Drawings

FIG. 1 is a simplified device diagram of an auxiliary tool for reinforcing a steel plate of a bridge and a U-rib with a single-side bolt;

FIG. 2 is a prior art split nested taper bolt fastener;

FIG. 3 is a single-side bolt steel plate device for bridge steel plates and U ribs according to the present invention;

fig. 4-10 are simple reinforcing drawings of the single-side bolt steel plate for bridge steel plate and U rib of the present invention.

Detailed Description

The invention will be further described with reference to the following figures and examples:

as shown in fig. 1 to fig. 10, the utility model discloses a novel knob formula magnetism seat adsorbs U rib and quick location of steel bridge panel and fixing device, including knob formula magnetism seat 3, positioner 4, both combine to carry out quick location and fixed to the test piece. The positioning device is made of cylindrical solid metal, the diameter of the positioning device is mainly 1-2mm smaller than that of a hole, the positioning device can be inserted into the hole conveniently, the U rib 1 and the reinforcing steel plate 2 can be positioned firstly, the steel plate can rotate through the positioning device 4 as shown in figure 4, when the steel plate rotates to the hole and is aligned, as shown in figure 5, the knob type magnetic seat 3 is rotated, and the knob type magnetic seat knob 5 is rotated, so that the knob type magnetic seat 3 generates magnetic force, and the U rib 1 and the reinforcing steel plate 2 are fixed.

Starting to fix the single-side bolt, the single-side bolt mainly comprises a bolt rod 7, a gasket 8, a washer 9, a gasket 10, a nut 11 and a rod 12. The single-side bolt is fixed as shown in figure 6, and is screwed down through the rod piece 12 as shown in figure 7. Then fixing other bolts according to the same method, as shown in figure 8, screwing other bolt hole positions in turn after screwing as shown in figure 9, and finally as shown in figure 10.

Specifically, the method comprises the following steps:

a. the steel plate and the U rib are aligned to the hole positions;

b. inserting the magnetic base into the holes of the steel plate and the U-shaped rib for positioning;

after the steel plate is manually propped against the aligned hole positions, the positioning device is adopted to be inserted into the hole between the steel plate and the U-shaped rib. The positioning device is 1-2mm smaller than the apertures of the steel plate and the U rib and is matched with the fixed steel plate and the U rib;

c. adjusting the position of the hole site of the steel plate

1) Inserting the device to be positioned into hole sites of the steel plate and the U rib, wherein other hole sites of the steel plate are not fixed, and rotating the steel plate until all the hole sites of the steel plate and the U rib are approximately aligned;

2) the knob 5 of the magnetic base is rotated to enable the steel plate to be adsorbed to the U-shaped rib and fixed through the knob type magnetic base.

d. Sequentially rotating the unilateral bolts for fixing;

e. and reversely rotating the knob 5 of the magnetic base, removing the magnetic force of the knob type magnetic base, and installing the bolt of the last hole position.

Claims

1. The utility model provides an auxiliary fixtures that is used for unilateral bolt steel sheet reinforcement construction of bridge steel sheet and U rib, its characterized in that: comprises a positioning device (4), a knob type magnetic seat (3) and a magnetic seat knob (5); wherein:

the positioning device (4) is arranged in a cylindrical shape;

the knob type magnetic seat (3) is installed at one end of the positioning device (4), and the other end of the positioning device (4) can penetrate through the through hole between the U rib and the steel plate;

the magnetic base knob (5) is arranged on the knob type magnetic base (3), and the knob type magnetic base (3) can be controlled to generate magnetic force or demagnetize by rotating the magnetic base knob (5).

2. The auxiliary tool for reinforcing the bridge steel plate and the U-rib single-side bolt steel plate according to claim 1, which is characterized in that: the positioning device (4) is of a cylindrical solid metal structure.

3. The auxiliary tool for reinforcing the bridge steel plate and the U-rib single-side bolt steel plate according to claim 2, wherein the auxiliary tool comprises: the outer diameter of the positioning device (4) is 1-2mm smaller than the inner diameter of the hole site on the U rib and the hole site on the steel plate.

4. The auxiliary tool for reinforcing construction of the steel plate of the bridge and the U rib with the single-side bolt steel plate as claimed in claim 3, is characterized in that: the knob type magnetic seat (3) is of a cuboid structure.

5. The auxiliary tool for reinforcing the bridge steel plate and the U-rib single-side bolt steel plate according to claim 2, wherein the auxiliary tool comprises: the magnetic base knob (5) is arranged on the side surface of the knob type magnetic base (3).