CN215758547U

CN215758547U - Steel box girder installation positioning device

Info

Publication number: CN215758547U
Application number: CN202121943710.XU
Authority: CN
Inventors: 马佳; 李欣泽; 曲文凯; 胡继超
Original assignee: Shandong Shunhe Road And Bridge Engineering Co ltd
Current assignee: Shandong Shunhe Road And Bridge Engineering Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-08
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to the technical field of bridge construction devices, and discloses a steel box girder installation positioning device which comprises a fixed base plate, wherein the top of the fixed base plate is connected with a first slide block in a left-right sliding mode through a first sliding mechanism, the top of the first slide block is connected with a second slide block in a front-back sliding mode through a second sliding mechanism, the left side of the second slide block is flush with or exceeds the left side of the first slide block, a permanent magnetic chuck is arranged on the left side of the second slide block, the first slide block is in transmission connection with a first transmission mechanism, the second slide block is in transmission connection with a second transmission mechanism, and the first transmission mechanism and the second transmission mechanism are both connected with a locking mechanism; the utility model can adjust the transverse and longitudinal positions of the steel box girder in the installation process of the steel box girder, does not need manual traction adjustment, has stronger operability and higher safety, can be fixed by using the locking mechanism after the adjustment is finished, and has high girder falling positioning precision.

Description

Steel box girder installation positioning device

Technical Field

The utility model relates to the technical field of bridge construction devices, in particular to a steel box girder mounting and positioning device.

Background

In the process of hoisting the steel box girder, the steel box girder to be installed and the installed steel box girder must be accurately positioned in advance, and then the assembling quality of the steel box girder can be ensured. At present, the traditional construction method for positioning the falling beam of the steel box beam is a method for positioning the falling beam of the steel box beam by matching a crane and a manual traction steel wire rope, and the specific method comprises the following steps: the crane lifts the steel box girder, and when the girder body is about 100mm away from the abutment or the bent cap, the steel wire rope is manually pulled to adjust the transverse and longitudinal positions of the steel box girder. The construction method needs to manually pull the steel wire rope repeatedly to adjust the transverse and longitudinal positions of the steel box girder, the adjustment process is time-consuming and labor-consuming, the construction operability is poor, the steel box girder cannot be fixed after the adjustment is completed, the girder body deviates in the positioning process, the girder falling positioning precision is low, and the risk of manually pulling the steel wire rope is high.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a steel box girder installation positioning device, which solves the problems that in the prior art, the steel box girder installation adjustment process is time-consuming and labor-consuming, the construction operability is poor, the steel box girder cannot be fixed after the adjustment is finished, the girder body deviates in the in-place process, the girder falling positioning precision is low, and the risk of manually drawing a steel wire rope is high.

In order to achieve the purpose, the utility model provides a steel box girder installation positioning device which comprises a fixed bottom plate, wherein the top of the fixed bottom plate is connected with a first sliding block in a left-right sliding mode through a first sliding mechanism, the top of the first sliding block is connected with a second sliding block in a front-back sliding mode through a second sliding mechanism, the left side of the second sliding block is flush with or exceeds the left side of the first sliding block, a permanent magnetic chuck is arranged on the left side of the second sliding block, the first sliding block is in transmission connection with a first transmission mechanism, the second sliding block is in transmission connection with a second transmission mechanism, and the first transmission mechanism and the second transmission mechanism are both connected with a locking mechanism.

Furthermore, a first sliding mechanism comprises a first sliding rail which is arranged at the top of the fixed bottom plate along the left-right direction, and a first sliding groove matched with the first sliding rail is formed in the first sliding block.

Furthermore, the second sliding mechanism comprises a second sliding rail arranged at the top of the first sliding block along the front-back direction, and a second sliding groove matched with the second sliding rail is formed in the second sliding block.

Furthermore, the first transmission mechanism comprises a first fixed seat fixedly arranged in front of and/or behind the first sliding block, the first fixed seat is connected with a first rotating rod in a rotating mode, a first rotating disc and a first gear are fixedly arranged at two ends of the first rotating rod respectively, and a first rack meshed with the first gear is arranged on the first sliding block.

Furthermore, the second transmission mechanism comprises a second fixed seat arranged on the right side of the second sliding block, a second rotating rod is connected to the inner portion of the second fixed seat in a rotating mode, a second rotating disk and a second gear are fixedly connected to two ends of the second rotating rod respectively, and a second rack meshed with the second gear is arranged on the second sliding block.

Furthermore, locking mechanical system includes locating support and connecting piece, and the locating support is trapezoidal support, and the connecting piece includes the connecting rod, and the both ends fixedly connected with bayonet socket of connecting rod is connected with the bolt nut subassembly on the bayonet socket.

Furthermore, a rubber pad is arranged on the left side of the second sliding block.

The utility model has the beneficial effects that:

1. the utility model can adjust the transverse and longitudinal positions of the steel box girder in the installation process of the steel box girder, does not need manual traction adjustment, has stronger operability and higher safety, can be fixed by using a locking mechanism after the adjustment is finished, and has high girder falling positioning precision;

2. through setting up the permanent magnetism sucking disc, can carry out actuation and release to the steel box girder, the second slider of being convenient for is adjusted the position of steel box girder.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural diagram according to an embodiment of the utility model;

FIG. 2 is a schematic diagram illustrating a usage state structure according to an embodiment of the present invention;

wherein the figures include the following reference numerals:

1. fixing the bottom plate; 2. a first slider; 3. a second slider; 4. a locking mechanism; 41. positioning the bracket; 42. a connecting member; 5. a second sliding mechanism; 6. a first transmission mechanism; 61. a first fixed seat; 62. a first rotating lever; 63. a first turntable; 64. a first gear; 7. a second transmission mechanism; 71. a second fixed seat; 72. a second rotating lever; 73. a second turntable; 74. a second gear; 8. constructing a support; 9. a steel box girder strut; 10. a steel box girder; 11. and (6) hoisting the rope.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 2, according to an embodiment of the present invention, a steel box girder installation positioning device is provided, specifically, the device includes a fixed base plate 1, a first sliding block 2 is connected to a top of the fixed base plate 1 in a left-right direction by a first sliding mechanism, the first sliding mechanism is a first sliding rail installed on the top of the fixed base plate 1 in the left-right direction, and a first sliding groove matched with the first sliding rail is arranged on the first sliding block 2; the top of the first sliding block 2 is connected with a second sliding block 3 in a sliding mode along the front-back direction through a second sliding mechanism 5, the left side of the second sliding block 3 is flush with the left side of the first sliding block 2 or exceeds the left side of the first sliding block 2, the second sliding mechanism 5 is a second sliding rail which is installed on the top of the first sliding block 2 along the front-back direction, and a second sliding groove matched with the second sliding rail is formed in the second sliding block 3; a permanent magnetic chuck is arranged on the left side of the second sliding block 3 and used for sucking and releasing the steel box girder; a rubber pad is bonded on the left side surface of the second sliding block 3 and used for enhancing the friction force between the left side surface and the contact surface of the steel box girder; the first sliding block 2 is in transmission connection with a first transmission mechanism 6, the second sliding block 3 is in transmission connection with a second transmission mechanism 7, and the first transmission mechanism 6 and the second transmission mechanism 7 are both connected with a locking mechanism 4; locking mechanical system 4 includes locating support 41 and connecting piece 42, locating support 41 is trapezoidal support, and connecting piece 42 includes the connecting rod, and the both ends fixedly connected with bayonet socket of connecting rod is connected with bolt and nut subassembly on the bayonet socket, establishes locating support 41 propping up on PMKD 1 or first slider 2 during the locking, and first carousel 63 or second carousel 73 are gone into to the bayonet socket card of connecting piece 42 one end, and locating support 41 is gone into to the bayonet socket card of the connecting piece 42 other end, then uses bolt and nut subassembly to pin the both ends bayonet socket.

The first transmission mechanism 6 comprises a first fixed seat 61 fixedly arranged in front of and/or behind the first sliding block 2, the first fixed seat 61 is fixedly connected to the top of the fixed base plate 1, the first fixed seat 61 is connected with a first rotating rod 62 in a rotating manner, a first rotating disc 63 and a first gear 64 are fixedly arranged at two ends of the first rotating rod 62 respectively, a first accommodating groove for accommodating the first gear 64 is further arranged on the fixed base plate 1, and a first rack meshed with the first gear 64 is arranged on the first sliding block 2; second drive mechanism 7 is including setting up second fixing base 71 in the right side of second slider 3, second fixing base 71 fixed connection is at the top of first slider 2, the inside of second fixing base 71 rotates and is connected with second dwang 72, the both ends difference fixedly connected with second carousel 73 and second gear 74 of second dwang 72 are equipped with the second holding tank that holds second gear 74 on the first slider 2, be equipped with the second rack with second gear 74 meshing on the second slider 3.

The working principle of the utility model is as follows: the two steel box girders are arranged at the equal height positions of two construction supports 8, one surfaces of the two second sliding blocks 3 provided with permanent magnetic chucks correspond to each other, a crane is connected with a hoisting rope 11 to hoist the steel box girder 10 to 100-150 mm above a steel box girder strut 9, the side surface of the second sliding block 3 is in contact with the steel box girder 10 by adjusting a first rotating disc 63 to adjust the position of the steel box girder 10 in the left-right direction, and the first rotating disc 63 is locked by using a locking mechanism 4 after the adjustment is finished; then pulling a sucker handle of the permanent magnetic sucker, sucking the steel box girder 10 by the permanent magnetic sucker, rotating the second turntable 73 to adjust the front and back positions of the steel box girder 10, and locking the second turntable 73 by using the locking mechanism 4 after the adjustment is finished; and then pulling a sucker handle of the permanent magnetic sucker in a reverse direction, releasing the steel box girder 10 by the permanent magnetic sucker, and enabling the crane to drop the girder downwards so as to enable the steel box girder 10 to accurately drop to a corresponding position on the steel box girder strut 9.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steel box girder installation positioner, a serial communication port, including PMKD (1), there is first slider (2) at the top of PMKD (1) through first slide mechanism along left right direction sliding connection, and there is second slider (3) at first slider (2) top through second slide mechanism (5) along fore-and-aft direction sliding connection, and the left side of second slider (3) and the left side parallel and level of first slider (2) or surpass the left side of first slider (2), and second slider (3) left side is equipped with the permanent magnetism sucking disc, and first slider (2) transmission is connected with first drive mechanism (6), and second slider (3) transmission is connected with second drive mechanism (7), first drive mechanism (6) and second drive mechanism (7) all are connected with locking mechanical system (4).

2. The steel box girder installation and positioning device according to claim 1, wherein the first sliding mechanism comprises a first sliding rail installed on the top of the fixed bottom plate (1) along the left-right direction, and the first sliding block (2) is provided with a first sliding groove matched with the first sliding rail.

3. The steel box girder installation and positioning device according to claim 1, wherein the second sliding mechanism (5) comprises a second sliding rail installed on the top of the first sliding block (2) along the front-back direction, and a second sliding groove matched with the second sliding rail is arranged on the second sliding block (3).

4. The steel box girder installation and positioning device according to claim 1, wherein the first transmission mechanism (6) comprises a first fixed seat (61) fixedly arranged in front of and/or behind the first sliding block (2), the first fixed seat (61) is internally and rotatably connected with a first rotating rod (62), two ends of the first rotating rod (62) are respectively and fixedly provided with a first rotating disk (63) and a first gear (64), and the first sliding block (2) is provided with a first rack meshed with the first gear (64).

5. The steel box girder installation and positioning device according to claim 1, wherein the second transmission mechanism (7) comprises a second fixed seat (71) arranged at the right side of the second sliding block (3), a second rotating rod (72) is rotatably connected inside the second fixed seat (71), a second rotating disc (73) and a second gear (74) are fixedly connected to two ends of the second rotating rod (72) respectively, and a second rack meshed with the second gear (74) is arranged on the second sliding block (3).

6. The steel box girder installation and positioning device according to claim 4 or 5, wherein the locking mechanism (4) comprises a positioning bracket (41) and a connecting piece (42), the positioning bracket (41) is a trapezoidal bracket, the connecting piece (42) comprises a connecting rod, both ends of the connecting rod are fixedly connected with bayonets, and bolt and nut assemblies are connected on the bayonets.

7. The steel box girder installation and positioning device as claimed in any one of claims 1 to 5, wherein a rubber pad is arranged on the left side of the second sliding block (3).