CN217980326U

CN217980326U - Quick centering device

Info

Publication number: CN217980326U
Application number: CN202222192802.XU
Authority: CN
Inventors: 赵伟; 李霞; 徐天良; 朱鹏宇; 余雨夏; 雷皓羽; 宗伟军; 付尉
Original assignee: China Railway No 2 Engineering Group Co Ltd; China Railway Erju 6th Engineering Co Ltd
Current assignee: China Railway No 2 Engineering Group Co Ltd; China Railway Erju 6th Engineering Co Ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-06
Anticipated expiration: 2032-08-19
Also published as: DE202023101477U1

Abstract

The utility model discloses a quick centering device, including first installation panel and second installation panel, first installation panel with second installation panel mutually perpendicular and fixed connection, install the leveling system on the first installation panel, the leveling system is used for the adjustment the levelness of first installation panel, second installation panel fixed mounting has laser emitter, first installation panel is kept away from the one end of second installation panel still is provided with the clamping system. The device is convenient to fix the device and the centering beam to be centered by arranging the clamping system at one end of the first mounting panel, the leveling system is arranged on the first mounting panel, the first mounting panel is convenient to adjust to be in a horizontal state, the second mounting panel and the laser transmitter are ensured to be in vertical positions, and the centering accuracy is improved.

Description

Quick centering device

Technical Field

The utility model relates to a building engineering construction field especially relates to a quick centering device.

Background

With the rapid development of traffic construction in China, the whole-hole box girder is widely applied to high-speed railway bridge engineering. However, in some special environments, the T-shaped beam is simple in structure and small in concrete consumption, so that the application of the T-shaped beam is more suitable from the water-saving perspective.

The single T-beam structure is small in size, and is usually designed by adopting four pieces and one hole in a double-track railway, and the four T-beam erection is repeated four times compared with the erection procedure of the whole hole box beam, and four times of beam falling and centering are required. The traditional beam falling centering is usually carried out by adopting a plumb bob mode, the centering mode has low work efficiency and long time consumption, the centering result is greatly influenced by the environment, and the centering is not accurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome and adopt the plumb bob to carry out the centering work efficiency among the prior art low, consuming time long, the coarse problem of centering provides a quick centering device, can improve work efficiency and precision when falling the roof beam centering.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the utility model provides a quick centering device, includes first installation panel and second installation panel, first installation panel with second installation panel mutually perpendicular and fixed connection, install leveling system on the first installation panel, leveling system is used for the adjustment the levelness of first installation panel, second installation panel fixed mounting has laser emitter, first installation panel is kept away from the one end of second installation panel still is provided with the clamping system.

A quick centering device, one end at first installation panel sets up the clamping system, be convenient for with this patent quick centering device fix Liang Duandang water bench, set up leveling system on first installation panel, can be through adjusting leveling system, make first installation panel be in horizontal position, thereby guarantee that second installation panel and laser emitter are in vertical position, improve the rate of accuracy of centering, laser emitter transmission laser is directly opened when the centering, the laser point that utilizes this device to send carries out the centering with the central line on the support base stone, thereby realize the roof beam that falls fast, this device convenient to use, moreover, the steam generator is simple in structure, the centering work efficiency is improved, it is less influenced by external environment, the centering precision is improved.

Preferably, the laser transmitter is located at a centre line of the second mounting panel.

By adopting the arrangement, the first installation panel is matched to be vertical to the second installation panel, so that the laser emitted by the laser emitter can be vertical to the ground and is positioned on the central line of the installation panel, and the centering precision is improved.

Preferably, the leveling system comprises at least one adjustment member and at least one leveling tube.

Preferably, the number of the adjusting parts is four, and the adjusting parts comprise nuts fixedly connected to the first mounting panel and leveling bolts for leveling.

Preferably, the number of the leveling tubes is two, and the two leveling tubes are arranged perpendicular to each other.

By adopting the arrangement, the four adjusting parts are mutually matched, the horizontal relation in four directions of the device can be quickly adjusted, two mutually vertical level tubes are arranged, and whether the device is in a horizontal state or not can be conveniently observed.

Preferably, the clamping system comprises a fixing piece, and the fixing piece is connected with the first mounting panel through a fixing bolt.

Preferably, the fixing plate is an angle steel structure.

By adopting the arrangement, the angle steel is used as a fixing sheet of the clamping system, and the device can be conveniently fixed with the first installation panel through the fixing bolt, so that the installation is convenient.

Preferably, the clamping system further comprises a buffer sheet, and the buffer sheet is located on one side of the fixing sheet perpendicular to the first mounting panel.

By adopting the arrangement, the buffer sheet is arranged on one side of the angle steel fixing sheet, which is perpendicular to the first mounting panel, after the clamping system is fixed, the outer side surface of the buffer sheet is contacted with the beam-end water retaining table, and due to the buffer of the buffer sheet, a certain buffer space exists between the fixing sheet and the water retaining table when the leveling system is adjusted, so that the leveling can be facilitated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. adopt a quick centering device, set up the clamping system in the one end of first installation panel, be convenient for with this device with treat that centering T roof beam is fixed, set up leveling system on first installation panel, be convenient for adjust first installation panel and be in the horizontality, guarantee that second installation panel and laser emitter are in vertical position, improve the rate of accuracy of centering.

2. The leveling system of the device can quickly adjust the horizontal relation in four directions by the mutual matching of the four adjusting parts, and conveniently judges whether the leveling system is in a horizontal state or not by the two mutually vertical leveling tubes; the angle steel is used as a fixing piece of the clamping system and can be conveniently fixed with the beam-end water retaining platform, and the buffer piece is arranged between the fixing piece and the beam-end water retaining platform, so that a buffer space is provided for adjusting the leveling system, and leveling is facilitated.

3. The device is convenient to use, simple in structure, capable of improving the centering work efficiency, less influenced by external environment and high in centering precision.

Drawings

Fig. 1 is a front view of a quick centering device according to the present invention;

fig. 2 is a side view of a quick centering device according to the present invention;

fig. 3 is a top view of a rapid centering device according to the present invention;

FIG. 4 is a front view of the present invention used in cooperation with a beam-end water retaining platform;

fig. 5 is a side view of the utility model used in cooperation with a beam-end water-retaining table.

Reference numbers in the figures: 1-installation panel, 11-first installation panel, 12-second installation panel, 2-leveling system, 21-leveling tube, 22-adjusting part, 221-nut, 222-adjusting bolt, 3-clamping system, 31-fixing bolt, 32-fixing sheet, 33-buffer sheet, 4-laser emitter, 5-T beam, 6-water retaining platform.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.

Example 1

As shown in fig. 1-3, a quick centering device comprises a mounting panel 1, a leveling system 2, a clamping system 3 and a laser emitter 4. The installation panel 1 includes a first installation panel 11 and a second installation panel 12 perpendicular to the first installation panel 11, specifically, in the embodiment, the first installation panel 11 adopts a 200 × 100 × 3mm thick steel plate, the second installation panel 12 adopts a 50 × 100 × 3mm thick steel plate, and the second installation panel 12 is welded to the first installation panel 11 in an L shape. A laser emitter 4 which is horizontal to the second mounting panel 12 is mounted on the central line of the second mounting panel 12, and specifically, the laser emitter 4 can be selected as a laser pen. Mounted on the first mounting panel 11 is a leveling system 2, the leveling system 2 comprising four adjusting parts 22 and two mutually perpendicular level tubes 21. Four bolt holes are formed in the first mounting panel 11 for the adjustment component 22 to pass through, the adjustment component 22 includes a nut 221 welded to the first mounting panel 11 and a leveling bolt 222 for leveling, and specifically, the leveling bolt 222 may be an M16 bolt. The end of the first installation panel 11 far away from the second installation panel 12 is further provided with a clamping system 3, and a fixing piece 32 of the clamping system 3 is 50-type angle steel with the length of 50 cm. The first mounting panel 11 is further provided with bolt holes for the fixing bolts 31 to pass through, and at the same time, one side of the angle steel is provided with the same bolt hole, the fixing bolts 31 penetrate through the first mounting panel 11 to fixedly connect the angle steel with the mounting panel 1, and a buffer sheet 33 is mounted on one side of the angle steel perpendicular to the first mounting panel 11, in the embodiment, the fixing bolts 31 are M10 bolts, and the buffer sheet 33 is a double-sided adhesive tape with the thickness of 2 mm.

By adopting the quick centering device of the utility model, one end of the first mounting panel 11 is provided with the clamping system 3, so that the device is convenient to be fixed with a T beam to be centered, the leveling system 2 is arranged on the first mounting panel 11, so that the first mounting panel 11 can be adjusted to be in a horizontal state, the second mounting panel 12 and the laser emitter 4 are ensured to be in a vertical position, and the centering accuracy is improved; the angle steel is used as a fixing piece 32 of the clamping system and can be conveniently fixed with the beam-end water retaining platform, and a buffer piece 33 is arranged between the fixing piece and the beam-end water retaining platform, so that a buffer space is provided for adjusting the leveling system 2, and leveling is facilitated. The device is convenient to use, simple in structure, capable of improving the centering work efficiency, less influenced by external environment and high in centering precision.

Example 2

As shown in fig. 1-5, on the basis of embodiment 1, when using the quick centering device provided by the present invention:

a. before the T-shaped beam 5 is erected, the Liang Duandang water platform 6 is divided into center lines, and the center line of the beam end is consistent with the center line of the support.

b. T roof beam 5 takes one's place the back, will the utility model provides a pair of quick centering device installs in the central line department of the manger plate platform 6 of the big or small mileage of beam-ends.

c. Paste 2mm thick double faced adhesive tape with the angle steel surface, then be connected angle steel another side and first installation panel 11 through M10 bolt, fix this device mutually with roof beam end manger plate platform 6, 2mm of angle steel and manger plate platform 6 interval is filled up by the double faced adhesive tape.

d. The device is leveled by 4M 16 bolts and 2 leveling pipes, and the center line of the device is ensured to be coincided with the center line of the water retaining table 6.

e. The laser emitter 4 is turned on, the laser beam is emitted, and beam falling and centering are started at the same time.

f. The position of a crown block of the bridge girder erection machine is adjusted and the beam is slowly dropped by measuring the offset distance between the laser line and the central line on the supporting cushion in time.

g. When the beam falls to the position that the height difference between the bottom surface of the beam and the supporting cushion is close to 10cm, the deviation between the laser line and the center of the support is accurately measured, and the beam falls in place accurately through manual cooperation.

h. And repeating the steps to finish the erection of the second, third and fourth beams until the whole-hole T beam is erected.

Claims

1. The utility model provides a quick centering device, its characterized in that includes first installation panel (11) and second installation panel (12), first installation panel (11) with second installation panel (12) mutually perpendicular and fixed connection, install leveling system (2) on first installation panel (11), leveling system (2) are used for the adjustment the levelness of first installation panel (11), second installation panel (12) fixed mounting has laser emitter (4), keep away from first installation panel (11) the one end of second installation panel (12) still is provided with clamping system (3).

2. A quick centering device according to claim 1, characterized in that the laser emitter (4) is located at the centerline of the second mounting panel (12).

3. A quick centering device according to claim 1, characterized in that said leveling system (2) comprises at least one adjusting member (22) and at least one levelling tube (21).

4. A quick centering device according to claim 3, characterized in that said adjusting means (22) are four, said adjusting means (22) comprising a nut (221) fixedly connected to said first mounting panel (11) and a leveling bolt (222) for leveling.

5. A rapid centring device according to claim 3, in which the levelling tubes (21) are two and the two levelling tubes (21) are arranged perpendicular to each other.

6. A quick centring device according to claim 1, characterised in that the clamping system (3) comprises a fixing tab (32), the fixing tab (32) being connected to the first mounting panel (11) by means of a fixing bolt (31).

7. A rapid centring device according to claim 6 characterised in that the fixing plate (32) is an angle steel structure.

8. A rapid centering device according to claim 7, characterized in that the clamping system (3) further comprises a buffer plate (33), the buffer plate (33) is located on one side of the fixing plate (32) perpendicular to the first mounting panel (11).