CN-115557395-B - Modularized steel box girder hoisting system special for limited space

Abstract

The invention relates to a modularized steel box girder hoisting system special for a limited space, which comprises a traction head, two hoisting modules and a transportation module, wherein the hoisting modules comprise a first car body and a truck crane arranged on the first car body, the transportation module comprises a second car body, the second car body is a flat car, a supporting surface for supporting the steel box girder is arranged above the flat car, linkage joints for forming linkage between the traction head and the first car body, between the traction car body and the second car body and between the first car body and the second car body are arranged, the front end and the rear end of the first car body and the front end and the rear end of the second car body are respectively provided with a linkage joint capable of being connected with each other, and the left side and the right side of the first car body and the second car body are respectively provided with supporting devices for keeping the car bodies in a stop state. By adopting the scheme, the invention provides the modularized steel box girder hoisting system which is specially used for limited space and is efficient in construction.

Inventors

• YING XIAXIAO
• ZHANG JIN
• XIA HAIBIN

Assignees

• 浙江实强建设有限公司

Dates

Publication Date

20260505

Application Date

20220920

Claims (5)

1. 1. The utility model provides a special modularized steel box girder hoisting system for limited space, including traction locomotive, characterized by still including two hoisting modules and a transport module, hoisting module include first automobile body and install in the truck crane of first automobile body, transport module include the second automobile body, the second automobile body be the flatbed, the flatbed top have the holding surface that supports the steel box girder, traction locomotive and first automobile body between, traction locomotive and the second automobile body between, first automobile body and the second automobile body between be provided with the linkage joint that constitutes both linkage, first automobile body front and back end and second automobile body front and back end respectively be provided with the linkage joint that can interconnect, first automobile body and second automobile body both sides are provided with the strutting arrangement that makes the automobile body keep the state of stopping respectively, second automobile body top be provided with the transportation flat board, the up end of transportation flat board as the holding surface of steel box girder, the holding surface have set gradually the balanced mouth along the direction from the front and back, second automobile body and each in-to-back between the body and the side plate, the hydraulic pressure of each side plate that is provided with the base plate and the cushion collar, the hydraulic pressure is provided with between the base plate and the cushion collar is formed to the bottom of the cushion collar, the cushion collar is arranged in the space between the bottom of the cushion collar, the cushion collar is formed to the cushion collar is held to the bottom in the compression platform, the cushion collar is arranged around the cushion collar is arranged to the bottom in the space between the cushion collar, the cushion collar is set up and the bottom plate and the cushion collar, and the cushion collar is arranged around the bottom in the cushion collar, the supporting plates are provided with connecting rods and containing channels for the connecting rods to move along the front-back direction, the adjacent supporting plates of the supporting plates are provided with linkage slots for the connecting rods to be inserted into to form linkage of the adjacent substrates, the side plate is provided with a guide groove for lifting the connecting rod, the end part of the connecting rod is provided with a round table-shaped guide block, and the smaller end of the round table of the guide block faces the linkage slot.
2. 2. The modular steel box girder hoisting system special for limited space according to claim 1, wherein the linkage joint comprises a split and opposite first bracket and a second bracket, the first bracket is arranged at the rear of a traction headstock or a first carriage or a second carriage, the second bracket is arranged at the front of the first carriage or the second carriage, the first bracket of the same linkage joint is positioned at the front, the second bracket is positioned at the rear, a first upright post is arranged above the rear end of the first bracket, a second upright post is arranged above the front end of the second bracket, a waist-round linkage ring is sleeved between the first upright post and the second upright post, a limit nut in threaded fit is arranged above the linkage ring, a first left flank and a first right flank are respectively arranged at two sides of the rear end of the first bracket, a second left flank and a second right flank are respectively arranged at two sides of the front end of the second bracket, a left flank and a second flank are respectively arranged at two sides of the front end of the second bracket, a left flank and a right flank is respectively arranged at the front side of the second bracket, a left flank and a right flank is respectively arranged at the left flank and a right flank of the second flank, a left flank is respectively right flank and a right flank is respectively arranged between the right flank and a right flank of the second flank and a compression spring.
3. 3. The modular steel box girder hoisting system special for limited space according to claim 2, wherein the first left side wing faces the second left side wing and surrounds the left guide post, a first left alignment groove matched with the outer peripheral shape of the left cylindrical spring is formed in the second left side wing, a left guide hole for the left guide post to pass through is formed in the second left side wing, a second left alignment groove matched with the outer peripheral shape of the left cylindrical spring is formed in the second left side wing facing the first left side wing and surrounds the left guide hole, a right guide hole for the right guide post to pass through is formed in the first right side wing facing the second right side wing and surrounds the right guide hole, a first right alignment groove matched with the outer peripheral shape of the right cylindrical spring is formed in the second right side wing facing the first right side wing and surrounds the right guide post, and guide chamfers are formed in openings of the first left alignment groove, the second left alignment groove, the first right alignment groove and the second right alignment groove.
4. 4. The modular steel box girder hoisting system special for limited space according to claim 2, wherein the first bracket and the traction head or the first car body or the second car body are arranged separately, the first installation clamping plate is arranged below the first bracket, the first installation clamping plate above the first installation clamping plate is provided with a first installation groove along the left-right direction, the first bracket is provided with a first installation bulge matched with the first installation groove in shape along the left-right direction, the first installation clamping plate and the first bracket are penetrated with at least two first installation bolts passing through the first installation bulge, the second bracket and the first car body or the second car body are arranged separately, the first car body or the second car body is arranged below the second bracket, the second installation clamping plate above the second installation clamping plate is provided with a second installation groove along the left-right direction, the second bracket is provided with a second installation bulge matched with the second installation groove in shape along the left-right direction, and the second bracket is penetrated with at least two second installation bulges passing through the second installation clamping plate.
5. 5. The modular steel box girder hoisting system special for limited space according to claim 1, wherein the supporting device comprises a plurality of supporting arms respectively positioned at the left side and the right side of the first car body or the second car body, one end of each supporting arm is hinged to the side surface of the first car body or the second car body and can horizontally swing, the other end of each supporting arm is provided with a hydraulic cylinder, and the hydraulic cylinder is downwards driven to be provided with a supporting disc which vertically lifts and supports on the ground.

Description

Modularized steel box girder hoisting system special for limited space Technical Field The invention relates to the field of bridge construction equipment, in particular to a modularized steel box girder hoisting system special for a limited space. Background In bridge construction, a high-voltage power trunk line passes through the upper part of a bridge, the high-voltage line has three types of 110KV, 220KV and 350KV, the distance between the high-voltage line and the ground is generally about 12 meters, the minimum safety distance between a hoisting machine and an overhead line is 5-7 meters according to the requirements of the construction site temporary electricity safety technical specification, then the effective safety space of hoisting machine energy operation is only 7-5 meters, when a steel box girder of an upper structure bridge is hoisted, the weight of a steel box girder section is generally 20-40T, and if an automobile crane is adopted to hoist the effective space, the automobile crane method cannot be adopted at all to finish the hoisting task of the steel box girder under the special working condition. In order to solve the problems, a scheme of hoisting the steel box girder into place by adopting a gantry frame to hoist and mount the girder, transporting the girder, moving the girder by a girder transporting flat-bed vehicle and feeding the girder, and then adopting a Bailey sheet temporary assembly bridge girder erection machine is adopted, and the hoisting method of the scheme has long time, high cost and high safety risk. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a modularized steel box girder hoisting system which is specially used for limited space and is efficient in construction. The invention provides the technical scheme that the vehicle traction device comprises a traction vehicle head and is characterized by further comprising two hoisting modules and a transportation module, wherein the hoisting modules comprise a first vehicle body and a vehicle crane arranged on the first vehicle body, the transportation module comprises a second vehicle body, the second vehicle body is a flat car, a supporting surface for supporting a steel box girder is arranged above the flat car, linkage joints for forming linkage between the traction vehicle head and the first vehicle body, between the traction vehicle body and the second vehicle body and between the first vehicle body and the second vehicle body are arranged, the front end and the rear end of the first vehicle body and the front end and the rear end of the second vehicle body are respectively provided with a linkage joint capable of being connected with each other, and the left side and the right side of the first vehicle body and the left side and the right side of the second vehicle body are respectively provided with supporting devices for enabling the vehicle bodies to keep a stop state. Through adopting above-mentioned technical scheme, the hoist module that forms by truck-mounted crane cooperation automobile body and the transport module that constitutes by the flatbed, compare the automobile crane, can reduce the requirement to the height greatly, compare the portal frame, need not on-the-spot construction, greatly improve the engineering progress, during the construction, single traction locomotive can pull two hoist modules and a transport module to the scene, a steel box girder has been carried on the transport module, get each module separation after the scene, adjust each module position and orientation by traction locomotive, obtain the best hoist position, thereby the hoist difficulty is reduced, accomplish hoist work fast, strutting arrangement then makes first automobile body and second automobile body can stably keep the adjustment state and be convenient for carry out accurate butt joint by the linkage, in addition, the hoist module of redesign is compared traditional automobile and is carried the truck-mounted crane, can further reduce the drive degree of difficulty because of the automobile body, moreover, traditional truck-mounted crane, the flatbed all is equipped with a locomotive alone, single traction can adapt each module to realize traction and position adjustment, the operation space has also increased indirect operation efficiency for the scene space that is as far as possible for oneself promotes. The invention is further characterized in that the linkage joint comprises a split first bracket and a second bracket which are opposite, the first bracket is arranged behind a traction headstock or a first carriage or a second carriage, the second bracket is arranged in front of the first carriage or the second carriage, the first bracket of the same linkage joint is positioned in front of the second carriage, the second bracket is positioned behind the first bracket, a first upright post is arranged above the rear end of the first bracket, a second upr