CN216786860U

CN216786860U - Quick butt joint positioner of bold section steel case roof beam

Info

Publication number: CN216786860U
Application number: CN202220125772.8U
Authority: CN
Inventors: 蒲利军; 鲁俊; 兰英; 周小琦; 郑炫; 黄远飞
Original assignee: China Construction Fourth Bureau Civil Engineering Co Ltd
Current assignee: China Construction Fourth Bureau Civil Engineering Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-21
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to the technical field of steel box girder butt joint equipment, in particular to a rapid butt joint positioning device for a large-block steel box girder, which comprises: the crawler comprises a crawler, wherein a control box is fixedly connected to the surface of the crawler; the positioning mechanism is used for butting the two adjacent steel box girders and is arranged at the upper end of the crawler; through setting up positioning mechanism, the first worm wheel of first servo motor accessible, two-way lead screw rotations of first worm and expansion piece synchronous drive, make the side of two steel box girders of grip block centre gripping simultaneously on two installation roof beams, this not only can be with correcting the position of one side installation roof beam and tracked vehicle on fixed steel box girder, can also make the steel box girder of activity by the central point of centre gripping in opposite side installation roof beam, with the error when having reduced two steel box girders and docking, and compare in current prefabricated platform assistance-localization real-time, the device is lower to operating environment's requirement, and need not later stage staff later stage and dismantle the maintenance.

Description

Quick butt joint positioner of bold section steel case roof beam

Technical Field

The utility model relates to the technical field of steel box girder butt joint equipment, in particular to a rapid butt joint positioning device for a large-block steel box girder.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on a bridge with a large span and is called as a steel box girder because the shape of the steel box girder is like a box; in a large-span cable support bridge, the span of a steel box girder reaches hundreds of meters and thousands of meters, the steel box girder is generally divided into a plurality of girder sections for manufacturing and installation, and the cross section of the steel box girder has the characteristics of wide width and flat appearance.

At present, the mode that the steel box girder adopted the floating crane to dock more, but because the positioning accuracy requirement of steel box girder is very high, the staff need assist the butt joint through setting up prefabricated platform or other modes, when striding the traffic trunk road in the city and carrying out the hoist and mount of steel box girder, can carry out the road and seal temporarily, just need accelerate the butt joint rate of steel box girder, this working strength and the burden that has increased the staff undoubtedly is the problem that needs the improvement at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a device for quickly butting and positioning a large-section steel box girder, which solves the problems that the steel box girder is difficult to install and the butting rate of the steel box girder is slowed down.

The utility model realizes the purpose through the following technical scheme, and a rapid butt joint positioning device for a large-block-section steel box girder comprises: the surface of the crawler is fixedly connected with a control box; the positioning mechanism is used for butting the two adjacent steel box girders and is arranged at the upper end of the crawler; and the adjusting mechanism is used for adjusting the length of the positioning mechanism and is arranged in the positioning mechanism.

Preferably, positioning mechanism includes that quantity is two installation roof beams, one side installation roof beam fixed connection is in the upper end of tracked vehicle, the opposite side the installation roof beam is installed in one side of installation roof beam, the inner wall sliding connection of installation roof beam has the first internal thread pipe that quantity is two, the one end of first internal thread pipe runs through to the outside of installation roof beam, the one end fixedly connected with grip block of first internal thread pipe.

Preferably, the inner wall of the mounting beam is rotatably connected with and respectively connected with two bidirectional lead screws in threaded connection with the first internal thread pipe, and two ends of each bidirectional lead screw penetrate through the inside of the first internal thread pipe respectively.

Preferably, the surface of the bidirectional screw is fixedly connected with a first worm wheel, the surface of the first worm wheel is meshed with a first worm which is rotatably connected with the mounting beam, a telescopic part is fixedly connected between the first worms, and one side of the first worm is fixedly connected with one end of a first servo motor which is fixedly connected with the mounting beam.

Preferably, the extensible member is including flexible side's pipe and flexible square pole, flexible side's pipe cup joints with flexible square pole mutually, the one end and the one side of flexible side's pipe first worm fixed connection, the one end and the first worm fixed connection of opposite side of flexible square pole.

Preferably, adjustment mechanism includes evenly distributed and equal fixed connection in one side the regulation roof beam on installation roof beam surface, it has second internal thread pipe to adjust roof beam inner wall sliding connection, the one end of second internal thread pipe run through adjust the roof beam and with the opposite side installation roof beam fixed connection, the inner wall one side of adjusting the roof beam rotate be connected with second internal thread pipe threaded connection's threaded rod.

Preferably, the upper end of the tracked vehicle is fixedly connected with a second servo motor, an output shaft of the second servo motor is fixedly connected with a second worm, and the lower end of the second worm is connected with a second worm wheel fixedly connected with a threaded rod in a meshed manner.

The utility model has the beneficial effects that:

(1) by arranging the positioning mechanism, the first servo motor can synchronously drive the two bidirectional screws to rotate through the first worm gear, the first worm and the telescopic piece, so that the clamping blocks on the two mounting beams simultaneously clamp the side edges of the two steel box beams, the positions of the mounting beam on one side and the crawler on the fixed steel box beam can be corrected, the movable steel box beam can be clamped in the central position of the mounting beam on the other side, the error of the two steel box beams in butt joint is reduced, compared with the conventional prefabricated platform for auxiliary positioning, the device has lower requirement on the operating environment, later-period disassembly maintenance of later-period workers is not needed, and the butt joint speed of the steel box beams is effectively improved;

(2) through setting up adjustment mechanism, after two steel box girders were firmly held to positioning mechanism, second servo motor accessible second worm, second worm wheel, threaded rod, second internal thread pipe drove opposite side installation roof beam at the uniform velocity and removed for the installation roof beam drives movable steel box girder and fixed steel box girder butt joint together through first internal thread pipe and grip block, has reduced the probability of steel box girder dislocation when the butt joint effectively, thereby reaches good regulation effect.

Drawings

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

FIG. 2 is a schematic structural view of a positioning mechanism according to the present invention;

FIG. 3 is a schematic view of the connection between the square telescopic tube and the square telescopic rod according to the present invention;

fig. 4 is a schematic structural diagram of an adjusting mechanism in the present invention.

In the figure: 1. a tracked vehicle; 2. a control box; 3. a positioning mechanism; 301. mounting a beam; 302. a first internally threaded tube; 303. a bidirectional lead screw; 304. a clamping block; 305. a first servo motor; 306. a first worm gear; 307. a first worm; 308. a telescoping member; 3081. a telescopic square tube; 3082. a telescopic square rod; 4. an adjustment mechanism; 401. adjusting the beam; 402. a second internally threaded tube; 403. a threaded rod; 404. a second servo motor; 405. a second worm; 406. a second worm gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, a fast butt-joint positioning device for large-block steel box girders comprises: the crawler 1 is characterized in that the surface of the crawler 1 is fixedly connected with a control box 2; the positioning mechanism 3 is used for butting the positioning mechanisms 3 of two adjacent steel box girders and is arranged at the upper end of the crawler 1; the adjusting mechanism 4 is used for adjusting the length of the positioning mechanism 3, and the adjusting mechanism 4 is arranged in the positioning mechanism 3;

as shown in fig. 2 and 3, the positioning mechanism 3 includes two mounting beams 301, one mounting beam 301 is fixedly connected to the upper end of the crawler 1, the other mounting beam 301 is mounted on one side of the one mounting beam 301, the inner wall of the mounting beam 301 is slidably connected with two first internal threaded pipes 302, one end of each first internal threaded pipe 302 penetrates through the outside of the mounting beam 301, one end of each first internal threaded pipe 302 is fixedly connected with a clamping block 304, a worker can fix the steel box girders by adjusting the positions of the clamping blocks 304, the worker only needs to draw the distance between the two steel box girders through the adjusting mechanism 4 and butt the two steel box girders together, compared with the existing auxiliary positioning of the prefabricated platform, the device has lower requirements on the operating environment, does not need later-stage worker later-stage disassembly and maintenance, effectively improves the butt-joint speed of the steel box girders, the inner wall of the mounting beam 301 is rotatably connected with two-way lead screws 303 which are respectively in threaded connection with the two first internal threaded pipes 302 Two ends of a bidirectional screw 303 respectively penetrate through the first internal threaded pipe 302, when a worker rotates the bidirectional screw 303, the bidirectional screw 303 can rotate to simultaneously drive the two first internal threaded pipes 302 and the clamping blocks 304 to clamp the steel box girder and clamp the steel box girder at the central position of the mounting beam 301 so as to reduce the error when the two steel box girders are butted, the surface of the bidirectional screw 303 is fixedly connected with a first worm wheel 306, the surface of the first worm wheel 306 is engaged and connected with a first worm 307 rotationally connected with the mounting beam 301, an expansion piece 308 is fixedly connected between the two first worms 307, one end of the first worm 307 at one side is fixedly connected with a first servo motor 305 fixedly connected with the mounting beam 301 at one side, the first servo motor 305 can synchronously drive the two bidirectional screws 303 to rotate through the first worm wheel 306, the first worm 307 and the expansion piece 308, so that the clamping blocks 304 on the two mounting beams 301 simultaneously clamp the side edges of the two steel box girders, this can not only correct the position of the one side mounting beam 301 and the crawler 1 on the steel box beam, but also can make the movable steel box beam clamped at the center of the other side mounting beam 301, further reducing the error when the two steel box beams are butted, the telescopic member 308 comprises a telescopic square tube 3081 and a telescopic square bar 3082, the telescopic square tube 3081 is sleeved with the telescopic square bar 3082, one end of the telescopic square tube 3081 is fixedly connected with the first worm 307 at one side, one end of the telescopic square bar 3082 is fixedly connected with the first worm 307 at the other side, the telescopic square bar 3082 can move along with the other side mounting beam 301, and since the telescopic square tube 3081 and the telescopic square bar 3082 are both square, when the first servo motor 305 rotates the first worm 307 connected with it, the telescopic square tube 3081 and the telescopic square bar 3082 restrict each other, the first worm 307 can drive the first worm 307 at the other side to rotate through the telescopic square tube 3081 and the telescopic square bar 3082, so as to ensure that the first servo motor 305 can normally adjust the two bidirectional screws 303, thereby achieving the effect of improving the practicability of the device;

as shown in fig. 4, the adjusting mechanism 4 includes adjusting beams 401 uniformly distributed and fixedly connected to the surface of one side of the mounting beam 301, a second internal threaded pipe 402 is slidably connected to the inner wall of the adjusting beam 401, one end of the second internal threaded pipe 402 penetrates through the adjusting beam 401 and is fixedly connected to the other side of the mounting beam 301, a threaded rod 403 in threaded connection with the second internal threaded pipe 402 is rotatably connected to one side of the inner wall of the adjusting beam 401, a worker can adjust the distance between the two mounting beams 301 by rotating the threaded rod 403, without worrying about the dislocation of the two mounting beams 301 during adjustment, so as to achieve the effect of auxiliary positioning, a second servo motor 404 is fixedly connected to the upper end of the crawler 1, a second worm 405 is fixedly connected to the output shaft of the second servo motor 404, a second worm wheel 406 fixedly connected to the lower end of the second worm 405 is engaged with the second worm wheel 406 fixedly connected to the threaded rod 403, the second servo motor 404 can synchronously rotate all the threaded rods 403 through the second worm 405 and the second worm wheel 406, ensuring that all the second internally threaded tubes 402 can move synchronously to reduce the probability of the mounting beam 301 on the other side getting stuck, the cross-sectional shapes of the inner surfaces of the mounting beam 301 and the adjusting beam 401 and the surfaces of the first internally threaded tube 302 and the second internally threaded tube 402 are both rectangular.

When the crawler 1 is used, a worker drives the crawler 1 to the edge of a steel box girder, then the worker controls a second servo motor 404 to rotate towards a corresponding direction through a control box 2, the second servo motor 404 drives a second worm 405 to rotate, the second worm 405 drives a second worm gear 406 to rotate, the second worm gear 406 drives a threaded rod 403 to rotate, the threaded rod 403 drives a second internal threaded pipe 402 to rotate through rotation, the second internal threaded pipe 402 drives the other side mounting beam 301 to be far away from the one side mounting beam 301, the mounting beam 301 drives a clamping block 304 to move to two sides of the movable steel box girder through a first internal threaded pipe 302, then the worker controls to close the second servo motor 404 and controls to open the first servo motor 305 to rotate towards a corresponding direction through the control box 2, the first servo motor 305 drives a first worm 307 on one side to rotate, the first worm 307 on one side drives a first worm 307 on the other side to rotate through a telescopic piece 308, so that the first worm 307 drives the first worm wheel 306 to rotate, the first worm wheel 306 drives the two-way lead screw 303 to rotate, the two-way lead screw 303 drives the two first internal thread pipes 302 to move towards the middle through rotation, the two first internal thread pipes 302 synchronously drive the two clamping blocks 304 to clamp the steel box girder, when the two steel box girders are clamped, a worker controls to turn off the first servo motor 305 and to turn on the second servo motor 404 to rotate in the opposite direction through the control box 2, the second servo motor 404 drives the second worm 405 to rotate in the opposite direction, the second worm 405 drives the second worm wheel 406 to rotate in the opposite direction, the threaded rod 403 drives the second internal thread pipe 402 to rotate in the opposite direction through rotation, the second internal thread pipe 402 drives the other side mounting beam 301 to be close to the one side mounting beam 301, the mounting beam 301 drives the movable steel box girder to be butted with the fixed steel box girder through the first internal thread pipes 302 and the clamping blocks 304, the staff can carry out normal weldment work, compares in current prefabricated platform assistance-localization real-time, and the device is lower to operating environment's requirement, and need not later stage staff later stage and dismantle the maintenance, has improved the speed of steel case roof beam butt joint effectively.

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 quick butt joint positioner of bold section steel case roof beam which characterized in that includes:

the crawler type automatic control system comprises a crawler (1), wherein a control box (2) is fixedly connected to the surface of the crawler (1);

the positioning mechanism (3) is used for butting the positioning mechanisms (3) of two adjacent steel box girders and is arranged at the upper end of the crawler (1);

the adjusting mechanism (4) is used for adjusting the length of the positioning mechanism (3), and the adjusting mechanism (4) is arranged in the positioning mechanism (3).

2. The fast butt joint positioning device for the large-block steel box girder according to claim 1, characterized in that: positioning mechanism (3) are installation roof beam (301) that two, one side including quantity installation roof beam (301) fixed connection in the upper end of tracked vehicle (1), the opposite side installation roof beam (301) are installed in one side of installation roof beam (301), the inner wall sliding connection of installation roof beam (301) has first internal thread pipe (302) that quantity is two, the outside to installation roof beam (301) is run through to the one end of first internal thread pipe (302), the one end fixedly connected with grip block (304) of first internal thread pipe (302).

3. The rapid butt joint positioning device for the large-block steel box girder according to claim 2, characterized in that: the inner wall of installation roof beam (301) rotates be connected with and respectively with two-way lead screw (303) of first internal thread pipe (302) threaded connection, the inside to first internal thread pipe (302) is run through respectively at the both ends of two-way lead screw (303).

4. The fast butt joint positioning device for the large-block steel box girder according to claim 3, characterized in that: the surface of the bidirectional screw (303) is fixedly connected with a first worm wheel (306), the surface of the first worm wheel (306) is meshed with a first worm (307) rotatably connected with the mounting beam (301), two telescopic pieces (308) are fixedly connected between the first worm (307), and one end of the first worm (307) is fixedly connected with one side of a first servo motor (305) fixedly connected with the mounting beam (301).

5. The fast butt joint positioning device for the large-block steel box girder according to claim 4, is characterized in that: the extensible member (308) is including flexible square pipe (3081) and flexible square bar (3082), flexible square pipe (3081) cup joints with flexible square bar (3082) mutually, the one end and the one side of flexible square pipe (3081) first worm (307) fixed connection, the one end and the first worm (307) fixed connection of opposite side of flexible square bar (3082).

6. The fast butt joint positioning device for the large-block steel box girder according to claim 2, is characterized in that: adjustment mechanism (4) are including evenly distributed and equal fixed connection in one side installation roof beam (301) surperficial regulation roof beam (401), regulation roof beam (401) inner wall sliding connection has second internal thread pipe (402), the one end of second internal thread pipe (402) run through adjust roof beam (401) and with the opposite side installation roof beam (301) fixed connection, inner wall one side rotation of adjusting roof beam (401) is connected with threaded rod (403) with second internal thread pipe (402) threaded connection.

7. The fast butt joint positioning device for the large-block steel box girder according to claim 6, is characterized in that: the upper end of the crawler (1) is fixedly connected with a second servo motor (404), an output shaft of the second servo motor (404) is fixedly connected with a second worm (405), and the lower end of the second worm (405) is connected with a second worm wheel (406) fixedly connected with a threaded rod (403) in a meshed mode.