CN214459694U

CN214459694U - Working platform for construction outside viaduct and overpass

Info

Publication number: CN214459694U
Application number: CN202120203975.XU
Authority: CN
Inventors: 迟作强; 赵明静; 赵振新; 刘周欣; 程蒙恩; 孙秋时; 庞名彤; 孙敬鑫; 林森林
Original assignee: Shandong Luqiao Group Co Ltd
Current assignee: Shandong Luqiao Group Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-22
Anticipated expiration: 2031-01-26

Abstract

The utility model provides an outer construction of viaduct, overpass is as industry platform, drives left arm lock and right arm lock synchronous inboard motion through arm lock actuating mechanism, and the rubber piece of left arm lock and right arm lock inboard presss from both sides the left and right sides of bridge side wall tightly, has realized the fixed of the relative bridge side wall of whole platform. The rubber block made of the rubber material has the characteristic of large friction coefficient, so that the rubber block is in close contact with the side wall of the bridge, and is safe and reliable. Then, an operator can enter the fixed platform to carry out construction operation on the bridge. After this department's operation finishes, operating personnel on the bridge can promote whole platform and walk to next construction station along the bridge through gyro wheel I and gyro wheel II, and the operation of next station can be accomplished in left arm lock of rethread arm lock actuating mechanism drive and right arm lock locking, has improved the efficiency of construction, and constructor need not frequently to climb and climb down, has improved the security.

Description

Working platform for construction outside viaduct and overpass

Technical Field

The utility model relates to a, concretely relates to overhead bridge, overpass are construction outward and are used as industry platform.

Background

Along with the urban brightening engineering of large and medium-sized cities, lamp strips need to be installed on the outer sides of urban overpasses and viaducts, the traditional construction method is that a simple self-made platform made of sectional materials through welding is hooked on the side wall of the overpass, construction personnel stand on the platform for construction, after construction at a certain position is completed, the construction personnel need to climb the bridge again, then the welding platform is moved to another construction position for construction again, the whole process is not only cumbersome, and meanwhile, the safety cannot be well guaranteed due to the fact that the firmness of the fixed welding platform is qualified.

Disclosure of Invention

The utility model discloses a overcome the not enough of above technique, provide a convenient to use, safe and reliable's overpass, overpass bridge construction outside is as industry platform.

The utility model overcomes the technical scheme that its technical problem adopted is:

an operation platform for construction outside an overhead bridge and an overpass, comprising:

the inner end of the cross beam is provided with a stand column along the vertical direction, the roller I is rotatably arranged below the stand column, the middle part below the cross beam is rotatably provided with a roller II, the roller I is in contact with the bridge floor, and the roller II is in contact with the upper end surface of the side wall of the bridge;

the suspension arm is vertically arranged at the outer side end of the cross beam, and a fixed platform is horizontally fixed at the lower end of the suspension arm;

the guide rod is horizontally arranged in the cross beam along the left-right direction, the left clamping arm and the right clamping arm are slidably arranged in the guide rod, the inner sides of the lower ends of the left clamping arm and the right clamping arm are respectively provided with a rubber block and

and the clamping arm driving mechanism is arranged on the cross beam and used for driving the left clamping arm and the right clamping arm to synchronously and relatively move, and the clamping arm driving mechanism drives the left clamping arm and the right clamping arm to move to two rubber blocks and is respectively fastened at the left end and the right end of the side wall of the bridge.

Furthermore, above-mentioned arm lock actuating mechanism is including installing worm gear speed reducer on the crossbeam, rotating the lead screw of installing on the crossbeam and installing in the hand wheel of worm gear speed reducer input axle head through taking the seat bearing, the lead screw sets up along left right direction level, and the left side end of lead screw is left-handed screw, and its right side end is right-handed screw, and left-handed screw is connected with the upper end screw thread transmission of left arm lock, and right-handed screw is connected with the upper end screw thread transmission of right arm lock.

Furthermore, the sliding platform further comprises T-shaped guide rails arranged on the left side and the right side of the fixed platform, T-shaped grooves are formed in the left end and the right end of the sliding platform along the length direction of the sliding platform, and the sliding platform is slidably arranged in the T-shaped guide rails on the fixed platform through the T-shaped grooves.

The spring is sleeved on the inserting pins, the lower ends of the springs are connected with the sliding platform, the upper ends of the springs are connected with the flanges, and the inserting pins are inserted into the corresponding inserting grooves under the elastic force of the springs.

In order to facilitate the construction personnel to go up and down, the inner side end of the suspension arm is provided with a ladder stand along the vertical direction, and a beam right above the ladder stand is provided with an inlet.

The utility model has the advantages that: the left clamping arm and the right clamping arm are driven by the clamping arm driving mechanism to synchronously move inwards until the left side and the right side of the bridge side wall are clamped by the rubber blocks on the inner sides of the left clamping arm and the right clamping arm, so that the fixation of the whole platform relative to the bridge side wall is realized. The rubber block made of the rubber material has the characteristic of large friction coefficient, so that the rubber block is in close contact with the side wall of the bridge, and is safe and reliable. Then, an operator can enter the fixed platform to carry out construction operation on the bridge. After this department's operation finishes, when guaranteeing that the safety rope on the constructor body does not remove, move to the outside through arm lock actuating mechanism drive left arm lock and right arm lock slightly, make two rubber blocks not with the bridge lateral wall not in close contact with, operating personnel on the bridge can promote whole platform to walk to next construction station along the bridge through gyro wheel I and gyro wheel II this moment, the operation of next station can be accomplished in rethread arm lock actuating mechanism drive left arm lock and right arm lock locking, construction efficiency is improved, constructor need not frequently to climb up and climb down, the security has been improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the left and right clamp arms of the present invention;

fig. 3 is a schematic side sectional view of the sliding platform of the present invention;

in the figure, a cross beam 1, a vertical column 3, a suspension arm 4, a fixed platform 5, a sliding platform 6, a bridge side wall 7, a roller I8, a roller II 9, a ladder 10, a left clamping arm 11, a right clamping arm 12, a rubber block 13, a bearing with a seat 14, a left-handed thread 15, a right-handed thread 16, a worm gear speed reducer 17, a hand wheel 18, a guide rod 19, a T-shaped guide rail 20, a bolt 21, a flange 22, a spring 23 and a slot are arranged.

Detailed Description

The present invention will be further explained with reference to fig. 1, fig. 2 and fig. 3.

An operation platform for construction outside an overhead bridge and an overpass, comprising: the inner side end of the cross beam 1 is provided with an upright post 2 along the vertical direction, a roller I7 is rotatably arranged below the upright post 2, a roller II 8 is rotatably arranged in the middle part below the cross beam 1, the roller I7 is in contact with the bridge floor, and the roller II 8 is in contact with the upper end face of the bridge side wall 6; the suspension arm 3 is vertically arranged at the outer side end of the cross beam 1, and a fixed platform 4 is horizontally fixed at the lower end of the suspension arm 3; guide arm 18, set up in crossbeam 1 along left right direction level, left arm lock 10 and right arm lock 11 slidable mounting are in guide arm 18, and the lower extreme inboard of left arm lock 10 and right arm lock 11 is provided with rubber block 12 and arm lock actuating mechanism respectively, sets up on crossbeam 1 for drive left arm lock 10 and the synchronous relative motion of right arm lock 11, arm lock actuating mechanism drive left arm lock 10 and right arm lock 11 move to two rubber blocks 12 and step up both ends about in bridge lateral wall 6 respectively. During the use, place crossbeam 1 in bridge lateral wall 6 directly over, make gyro wheel II 8 and bridge lateral wall 6's up end contact, later through arm lock actuating mechanism drive left arm lock 10 and right arm lock 11 synchronous inboard motion, until left arm lock 10 and right arm lock 11 inboard rubber block 12 press from both sides bridge lateral wall 6's left and right sides tightly, realized the fixed of the relative bridge lateral wall 6 of whole platform. The rubber block 12 made of rubber has the characteristic of large friction coefficient, so that the rubber block is in close contact with the bridge side wall 6, and is safe and reliable. Then, an operator can enter the fixed platform 4 to carry out construction operation on the bridge. After this department's operation finishes, when guaranteeing that the safety rope on the constructor body does not remove, move to the outside through arm lock actuating mechanism drive left arm lock 10 slightly and right arm lock 11, make two rubber blocks 12 not with bridge lateral wall 6 inseparable contact, operating personnel on the bridge can promote whole platform to walk to next construction station along the bridge through gyro wheel I7 and gyro wheel II 8 this moment, the operation of next station can be accomplished in the locking of rethread arm lock actuating mechanism drive left arm lock 10 and right arm lock 11, construction efficiency is improved, constructor need not frequently to climb up and climb down, safety is improved.

The clamping arm driving mechanism can be of a structure comprising a worm and gear speed reducer 16 arranged on the cross beam 1, a lead screw arranged on the cross beam 1 in a rotating mode through a bearing with a seat 13 and a hand wheel 17 arranged at the input shaft end of the worm and gear speed reducer 16, wherein the lead screw is horizontally arranged along the left-right direction, the left side end of the lead screw is provided with a left-hand thread 14, the right side end of the lead screw is provided with a right-hand thread 15, the left-hand thread 14 is in threaded transmission connection with the upper end of the left clamping arm 10, and the right-hand thread 15 is in threaded transmission connection with the upper end of the right clamping arm 11. The left side end of the lead screw is left-handed threads 14, and the right side end of the lead screw is right-handed threads 15, so that the left clamping arm 10 and the right clamping arm 11 can be synchronously driven to move relatively to the inner side or relatively to the outer side, the worm gear reducer 16 has a self-locking characteristic, and after the hand wheel 17 stops rotating, the left clamping arm 10 and the right clamping arm 11 cannot move freely, so that the lead screw can be firmly and reliably fixed after clamping the bridge side wall 6.

Further, the sliding platform comprises T-shaped guide rails 19 arranged on the left side and the right side of the fixed platform 4, T-shaped grooves are formed in the left end and the right end of the sliding platform 5 along the length direction of the sliding platform, and the sliding platform 5 is slidably mounted in the T-shaped guide rails 19 on the fixed platform 4 through the T-shaped grooves. When the length of the fixed platform 4 is not enough to extend, the sliding platform 5 can be driven to move forwards relative to the fixed platform 4, so that the platform can be lengthened and extended. The sliding platform can further comprise a plurality of slots 23 arranged at intervals along the length direction of the fixed platform 4 and bolts 20 arranged in the sliding platform 5 in a sliding mode along the vertical direction, a flange 21 is arranged at the head end of each bolt 20, a spring 22 is sleeved on each bolt 20, the lower end of each spring 22 is connected with the corresponding sliding platform 5, the upper end of each spring 22 is connected with the corresponding flange 21, and the bolts 20 are inserted into the corresponding slots 23 under the elastic force of the springs 22. When the sliding platform 5 needs to be moved, the bolt 20 is pulled upwards to be away from the slot 23, then the sliding platform 5 can be driven to slide forwards along the fixed platform 4, after the bolt 20 is moved in place, the bolt 20 is loosened, the bolt 20 can be inserted into the corresponding slot 23 under the elastic force of the spring 22, at the moment, the sliding platform 5 is locked and fixed relative to the fixed platform 4, and the safety of the whole device is improved.

Furthermore, a ladder stand 9 is arranged at the inner side end of the suspension arm 3 along the vertical direction, and an inlet is arranged on the cross beam 1 right above the ladder stand 9. Constructors can drill into the beam 1 through the inlet and then descend to the fixed platform 4 through the ladder stand 9, and the use convenience is further improved.

Claims

1. The utility model provides an overhead bridge, overpass construction outside the bridge are used as industry platform which characterized in that includes:

the bridge comprises a cross beam (1), wherein vertical columns (2) are arranged at the inner side end of the cross beam in the vertical direction, rollers I (7) are rotatably arranged below the vertical columns (2), rollers II (8) are rotatably arranged in the middle of the lower portion of the cross beam (1), the rollers I (7) are in contact with a bridge floor, and the rollers II (8) are in contact with the upper end face of a bridge side wall (6);

the suspension arm (3) is vertically arranged at the outer side end of the cross beam (1), and a fixed platform (4) is horizontally fixed at the lower end of the suspension arm (3);

the guide rod (18) is horizontally arranged in the cross beam (1) along the left-right direction, the left clamping arm (10) and the right clamping arm (11) are slidably arranged in the guide rod (18), and the inner sides of the lower ends of the left clamping arm (10) and the right clamping arm (11) are respectively provided with a rubber block (12) and

and the clamping arm driving mechanism is arranged on the cross beam (1) and used for driving the left clamping arm (10) and the right clamping arm (11) to synchronously move relatively, and the clamping arm driving mechanism drives the left clamping arm (10) and the right clamping arm (11) to move to two rubber blocks (12) to be respectively fastened at the left end and the right end of the bridge side wall (6).

2. The viaduct and overpass external construction service platform of claim 1, wherein: the clamp arm driving mechanism comprises a worm and gear speed reducer (16) arranged on a cross beam (1), a lead screw arranged on the cross beam (1) in a rotating mode through a bearing with a seat (13) and a hand wheel (17) arranged at the input shaft end of the worm and gear speed reducer (16), the lead screw is horizontally arranged in the left-right direction, the left side end of the lead screw is a left-handed thread (14), the right side end of the lead screw is a right-handed thread (15), the left-handed thread (14) is in transmission connection with the upper end thread of a left clamp arm (10), and the right-handed thread (15) is in transmission connection with the upper end thread of a right clamp arm (11).

3. The viaduct and overpass external construction service platform of claim 1, wherein: the sliding platform is characterized by further comprising T-shaped guide rails (19) arranged on the left side and the right side of the fixed platform (4), T-shaped grooves are formed in the left end and the right end of the sliding platform (5) along the length direction of the sliding platform, and the sliding platform (5) is slidably mounted in the T-shaped guide rails (19) on the fixed platform (4) through the T-shaped grooves.

4. The viaduct and overpass external construction service platform of claim 1, wherein: the novel sliding type bolt fixing device is characterized by further comprising a plurality of slots (23) arranged at intervals along the length direction of the fixing platform (4) and a bolt (20) slidably mounted in the sliding platform (5) along the vertical direction, a flange (21) is arranged at the head end of the bolt (20), a spring (22) is sleeved on the bolt (20), the lower end of the spring (22) is connected with the sliding platform (5), the upper end of the spring is connected with the flange (21), and the bolt (20) is inserted into the corresponding slot (23) under the elastic force of the spring (22).

5. The viaduct and overpass external construction service platform of claim 1, wherein: the crane is characterized in that a ladder (9) is arranged at the inner side end of the suspension arm (3) along the vertical direction, and an inlet is formed in the cross beam (1) right above the ladder (9).