CN222730369U

CN222730369U - A temporary support device for installing a steel structure bridge

Info

Publication number: CN222730369U
Application number: CN202520409311.7U
Authority: CN
Inventors: 薛建立; 刘洁; 王志铎; 陈晓蒙; 韩帅赢
Original assignee: Henan Dafang Heavy Equipment Co Ltd
Current assignee: Henan Dafang Heavy Equipment Co Ltd
Priority date: 2025-03-11
Filing date: 2025-03-11
Publication date: 2025-04-08
Anticipated expiration: 2035-03-11

Abstract

The utility model provides a temporary support device of steel construction bridge installation, including the dolly, the dolly top is equipped with the lower backup pad, be equipped with elevating system between lower backup pad and the dolly, the top of lower backup pad is equipped with control displacement mechanism, the top of lower backup pad is equipped with the backup pad, it is equipped with rotation mechanism to go up the backup pad top, the top of going up the backup pad is equipped with the support column of vertical setting, the lower extreme of support column passes through rotation mechanism rotatable assembly in last backup pad, the top of support column is fixed and is used for placing the supporting seat of bridge, the upper end of support column is equipped with the baffle that two symmetries set up, the baffle is the L type, two baffles are located the left and right sides of supporting seat respectively, the lower extreme of baffle articulates on the support column, be equipped with the electric putter that the slope set up between baffle and the support column, the upper end of electric putter articulates on the baffle, the lower extreme of electric putter articulates on the support column. The utility model has simple structure and convenient use.

Description

Temporary supporting device for steel structure bridge installation

Technical Field

The utility model belongs to the technical field of steel structure bridge installation, and particularly relates to a temporary supporting device for steel structure bridge installation.

Background

The bridge generally comprises an upper structure, a lower structure, a support and an accessory structure, wherein the upper structure is also called a bridge span structure, and along with the development of steel structure technology, a plurality of bridges adopt steel structure forms, so that the steel structure bridges need to be temporarily supported in the splicing and mounting process, corresponding supporting devices are absent in the prior art, the steel structure bridges are lifted by lifting equipment generally, then a plurality of sections of steel structure bridges are mounted and welded, and the lifting equipment lifts the steel structure bridges to swing or rock easily in the mounting process, so that the steel structure bridges are inconvenient to position in the mounting process and are easy to shake and the like, and the working efficiency and the working quality of workers are influenced.

Disclosure of utility model

The utility model provides a temporary supporting device for installing a steel structure bridge, which aims to solve the technical problem that the existing steel structure bridge is inconvenient to install due to the lack of a temporary supporting device. The trolley is characterized in that a lower supporting plate which is horizontally arranged is arranged above the trolley, the lower supporting plate plays a supporting role, a lifting mechanism for lifting the lower supporting plate is arranged between the lower supporting plate and the trolley, the lifting mechanism comprises four guide rods which are vertically arranged, the bottom ends of the guide rods are fixed at the top ends of the trolley, the trolley further comprises a supporting table which is horizontally arranged and can be slidably assembled on the guide rods, a first lead screw which is vertically arranged is connected with the middle thread of the supporting table, the lower end of the first lead screw is rotatably assembled on the trolley through a bearing, a lifting motor is fixed at the bottom end of the trolley, a power output shaft of the lifting motor is in transmission connection with the lower end of the first lead screw, the lifting motor is started to drive the first lead screw to rotate, the height of the supporting table is adjusted by controlling positive and negative rotation of the lifting motor, a plurality of upright columns which are vertically arranged are fixed at the top ends of the supporting table, and the top ends of the upright columns are fixed at the bottom end of the lower supporting plate. The top of lower backup pad is equipped with displacement mechanism about, the top of lower backup pad is equipped with the backup pad, the backup pad passes through the displacement mechanism about and assembles in the lower backup pad, the displacement mechanism includes two vertical and the riser at lower backup pad top is fixed to the interval about, be equipped with the second lead screw that the level set up between two risers, the both ends rotatable assembly of second lead screw is on the riser, be equipped with the displacement motor on one of them riser, the power take off shaft and the second lead screw transmission of displacement motor are connected, threaded connection has the supporting shoe that two intervals set up on the second lead screw, the upper end of supporting shoe is fixed in the bottom of last backup pad, the guide way with second lead screw parallel arrangement is seted up on the top of lower backup pad, but the lower extreme sliding assembly of supporting shoe starts the displacement motor during the use, the displacement motor drives the second lead screw and rotates, the second lead screw promotes the supporting shoe and moves in the left and right directions along the guide way, thereby upward backup pad can be adjusted. The upper supporting plate top is equipped with rotation mechanism, and the top of upper supporting plate is equipped with the support column of vertical setting, and rotation mechanism rotatable assembly is in the upper supporting plate through rotation mechanism to the lower extreme of support column, and rotation mechanism includes rotation support and rotation motor, and the support column is rotatable to be set up in the upper supporting plate through rotation support, and rotation motor and rotation support transmission are connected, start rotation motor, and rotation motor drives the support column through rotation support and rotates to can adjust the supporting seat angle on the support column top, be convenient for support bridge. The supporting seat that is used for placing the bridge is fixed on the top of support column, the upper end of support column is equipped with the baffle that two symmetries set up, the baffle is the L type, two baffles are located the left and right sides of supporting seat respectively, the lower extreme of baffle articulates on the support column, be equipped with the electric putter that the slope set up between baffle and the support column, the upper end of electric putter articulates on the baffle, the lower extreme of electric putter articulates on the support column, the setting of baffle and electric putter, start electric putter, electric putter promotes the baffle rotation, the baffle plays the barrier effect to the bridge on the supporting seat.

Preferably, the support seat is provided with a placing groove matched with the bridge.

Preferably, the four corners department of dolly all is equipped with fixed establishment, and fixed establishment includes the third lead screw of vertical setting, and third lead screw threaded connection is on the dolly, and the lower extreme of third lead screw extends to the below of dolly, and the upper end of third lead screw is fixed with the runner, and during the use, drive the third lead screw through the runner and rotate, the lower extreme of third lead screw moves down and drills into ground, is convenient for fix the dolly, avoids the dolly to remove, improves stability.

The adoption of the scheme has the following advantages:

The lifting mechanism is arranged, the first screw rod is driven to rotate through the lifting motor, the first screw rod pushes the supporting table to move in the vertical direction so as to facilitate adjustment of the height of the lower supporting plate, the displacement motor is started when the lifting mechanism is used, the displacement motor drives the second screw rod to rotate, the second screw rod pushes the supporting block to move in the left-right direction along the guide groove so as to adjust the displacement of the upper supporting plate in the left-right direction, the rotating mechanism is arranged so as to facilitate the angle of the supporting seat at the top end of the supporting column and support the bridge, and the lifting mechanism, the left-right displacement mechanism, the rotating mechanism and the like are arranged.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

The device comprises the following components of a trolley, a lower supporting plate, a lifting mechanism, an upper supporting plate, a left-right displacement mechanism, a support column, a 7, a rotary mechanism, a 8, a fixing mechanism, a 9, a bridge, a 11, a travelling mechanism, a 12, a support leg, a 13, travelling wheels, a 31, a guide rod, a 32, a supporting table, a 33, a first lead screw, a 34, a lifting motor, a 35, a stand column, a 51, a vertical plate, a 52, a second lead screw, a 53, a displacement motor, a 54, a supporting block, a 55, a guide groove, a 61, a supporting seat, a 62, a baffle plate, a 63, an electric push rod, a 71, a rotary support, a 72, a rotary motor, a 81, a third lead screw, a 82 and a rotating wheel.

Detailed Description

As shown in FIG. 1, a temporary supporting device for installing a steel structure bridge comprises a trolley 1, wherein a traveling mechanism 11 is arranged at the bottom end of the trolley 1, the traveling mechanism 11 comprises a plurality of supporting legs 12 fixed at the bottom end of the trolley 1, traveling wheels 13 are rotatably assembled at the lower ends of the supporting legs 12, and the traveling wheels 13 are arranged so as to facilitate the movement of the trolley 1. The trolley is characterized in that a lower support plate 2 which is horizontally arranged is arranged above the trolley 1, the lower support plate 2 plays a supporting role, a lifting mechanism 3 for lifting the lower support plate 2 is arranged between the lower support plate 2 and the trolley 1, the lifting mechanism 3 comprises four guide rods 31 which are vertically arranged, the bottom ends of the guide rods 31 are fixed at the top end of the trolley 1, the trolley further comprises a support table 32 which is horizontally arranged, the support table 32 is slidably assembled on the guide rods 31, a first lead screw 33 which is vertically arranged is connected with the middle thread of the support table 32, the lower end of the first lead screw 33 is rotatably assembled on the trolley 1 through a bearing, a lifting motor 34 is fixed at the bottom end of the trolley 1, a power output shaft of the lifting motor 34 is in transmission connection with the lower end of the first lead screw 33, the lifting motor 34 is started, the lifting motor 34 drives the first lead screw 33 to rotate, the height of the support table 32 is adjusted by controlling positive and negative rotation of the lifting motor 34, a plurality of upright posts 35 which are vertically arranged are fixed at the top ends of the support table 32, and the top ends of the upright posts 35 are fixed at the bottom end of the lower support plate 2. The top of lower backup pad 2 is equipped with control displacement mechanism 5, the top of lower backup pad 2 is equipped with upper backup pad 4, upper backup pad 4 assembles on lower backup pad 2 through control displacement mechanism 5, control displacement mechanism 5 includes two vertical and interval fixing the riser 51 at lower backup pad 2 top, be equipped with the second lead screw 52 of level setting between two risers 51, the both ends rotatable assembly of second lead screw 52 is on riser 51, be equipped with displacement motor 53 on one of them riser 51, the power take off shaft and the second lead screw 52 transmission of displacement motor 53 are connected, threaded connection has two supporting shoe 54 that the interval set up on the second lead screw 52, the guide way 55 with second lead screw 52 parallel arrangement is seted up at the upper end of supporting shoe 54, the lower extreme slidable assembly of supporting shoe 54 is in guide way 55, during the use, the second lead screw 52 is driven to rotate to the displacement motor 53, the second lead screw 52 promotes the supporting shoe 54 and moves in left and right directions along guide way 55, thereby the upward displacement of upper backup pad 4 in the left and right directions can be adjusted. The upper supporting plate 4 top is equipped with rotation mechanism 7, the top of upper supporting plate 4 is equipped with the support column 6 of vertical setting, the lower extreme of support column 6 passes through rotation mechanism 7 rotatable assembly on upper supporting plate 4, rotation mechanism 7 includes rotation support 71 and rotation motor 72, support column 6 passes through rotation support 71 rotatable setting on upper supporting plate 4, and rotation motor 72 is connected with rotation support 71 transmission, start rotation motor 72, rotation motor 72 passes through rotation support 71 and drives support column 6 rotation, thereby can adjust the angle of supporting seat 61 on the support column 6 top, be convenient for support bridge 9. The supporting seat 61 that is used for placing bridge 9 is fixed on the top of support column 6, the upper end of support column 6 is equipped with the baffle 62 that two symmetries set up, baffle 62 is the L type, two baffles 62 are located the left and right sides of supporting seat 61 respectively, the lower extreme of baffle 62 articulates on support column 6, be equipped with the electric putter 63 that the slope set up between baffle 62 and the support column 6, the upper end of electric putter 63 articulates on baffle 62, the lower extreme of electric putter 63 articulates on support column 6, the setting of baffle 62 and electric putter 63, start electric putter 63, electric putter 63 promotes baffle 62 rotation, baffle 62 plays the barrier effect to bridge 9 on the supporting seat 61.

Preferably, the support seat 61 is provided with a placement groove matched with the bridge 9.

Preferably, the four corners department of dolly 1 all is equipped with fixed establishment 8, and fixed establishment 8 includes the third lead screw 81 of vertical setting, and third lead screw 81 threaded connection is on dolly 1, and the lower extreme of third lead screw 81 extends to the below of dolly 1, and the upper end of third lead screw 81 is fixed with runner 82, and during the use, drive the rotation of third lead screw 81 through runner 82, the lower extreme of third lead screw 81 moves down and drills into ground, is convenient for fix dolly 1, avoids the removal of dolly 1, improves stability.

The using process comprises the following steps:

when the device is used, the trolley 1 is pushed to a designated position below the bridge 9, the third lead screw 81 is rotated through the rotating wheel 82, the third lead screw 81 is inserted into the ground deeply, the trolley 1 is fixed on the ground, then the height of the supporting seat 61 is adjusted according to actual requirements, the lifting motor 34 is started, the lifting motor 34 drives the lead screw first lead screw 33 to rotate, the first lead screw 33 pushes the supporting table 32 to move along the guide rod 31 in the vertical direction, then the displacement motor 53 is started, the displacement motor 53 drives the second lead screw 52 to rotate, the second lead screw 52 pushes the supporting block 54 to move along the guide groove 55 in the left-right direction, so that the displacement of the upper supporting plate 4 in the left-right direction can be adjusted, the rotary motor 72 is started, the rotary motor 72 drives the supporting column 6 to rotate through the rotary support 71, so that the angle of the supporting seat 61 on the top end of the supporting column 6 can be adjusted, the bridge 9 is convenient to support the bridge 9, when the supporting seat 61 is connected with the bridge 9 in a low mode, the two electric push rods 63 are started simultaneously, the free ends of the electric push rods 63 stretch and the bridge 62 are pushed to rotate to the two sides of the bridge 9, and the effect of blocking protection is achieved.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. The utility model provides a temporary support device of steel construction bridge installation, includes the dolly, and the dolly top is equipped with the lower bolster that the level set up, is equipped with the elevating system who is used for lifting to rise the lower bolster between lower bolster and the dolly, its characterized in that: the top of lower backup pad is equipped with control displacement mechanism, the top of lower backup pad is equipped with the backup pad, it assembles in the lower backup pad through controlling displacement mechanism to go up the backup pad, it is equipped with rotation mechanism to go up the backup pad top, the top of going up the backup pad is equipped with the support column of vertical setting, the lower extreme of support column passes through rotation mechanism rotatable assembly in last backup pad, the fixed supporting seat that is used for placing the bridge in top of support column, the upper end of support column is equipped with the baffle that two symmetries set up, the baffle is L type, two baffles are located the left and right sides of supporting seat respectively, the lower extreme of baffle articulates on the support column, be equipped with the electric putter that the slope set up between baffle and the support column, the upper end of electric putter articulates on the baffle, the lower extreme of electric putter articulates on the support column.

2. The temporary supporting device for installing the steel structure bridge according to claim 1, wherein the lifting mechanism comprises four guide rods which are vertically arranged, the bottom ends of the guide rods are fixed at the top end of the trolley, the temporary supporting device further comprises a supporting table which is horizontally arranged and can be slidably assembled on the guide rods, a first lead screw which is vertically arranged is connected with the middle of the supporting table through threads, the lower end of the first lead screw is rotatably assembled on the trolley through a bearing, a lifting motor is fixed at the bottom end of the trolley, a power output shaft of the lifting motor is in transmission connection with the lower end of the first lead screw, a plurality of upright posts which are vertically arranged are fixed at the top ends of the supporting table, and the top ends of the upright posts are fixed at the bottom end of the lower supporting plate.

3. The temporary supporting device for installing the steel structure bridge according to claim 1, wherein the left-right displacement mechanism comprises two vertical plates and a vertical plate fixed at the top end of the lower supporting plate at intervals, a second screw rod which is horizontally arranged is arranged between the two vertical plates, two ends of the second screw rod can be rotatably assembled on the vertical plates, a displacement motor is arranged on one of the vertical plates, a power output shaft of the displacement motor is in transmission connection with the second screw rod, two supporting blocks which are arranged at intervals are in threaded connection with the second screw rod, the upper ends of the supporting blocks are fixed at the bottom end of the upper supporting plate, a guide groove which is parallel to the second screw rod is formed in the top end of the lower supporting plate, and the lower ends of the supporting blocks can be slidably assembled in the guide groove.

4. The temporary support device for installing a steel structure bridge according to claim 1, wherein the slewing mechanism comprises a slewing support and a slewing motor, the supporting column is rotatably arranged on the upper supporting plate through the slewing support, and the slewing motor is in transmission connection with the slewing support.

5. The temporary supporting device for installing the steel structure bridge according to claim 1, wherein the supporting seat is provided with a placing groove matched with the bridge.

6. The temporary supporting device for installing the steel structure bridge according to claim 1, wherein the traveling mechanism is arranged at the bottom end of the trolley and comprises a plurality of supporting legs fixed at the bottom end of the trolley, and traveling wheels are rotatably assembled at the lower ends of the supporting legs.

7. The temporary supporting device for installing the steel structure bridge of claim 6, wherein the four corners of the trolley are respectively provided with a fixing mechanism, the fixing mechanism comprises a third screw rod which is vertically arranged, the third screw rod is connected to the trolley in a threaded manner, the lower end of the third screw rod extends to the lower side of the trolley, and a rotating wheel is fixed at the upper end of the third screw rod.