CN219044795U - Gantry crane 90-degree steering multi-shaft traveling wheel - Google Patents
Gantry crane 90-degree steering multi-shaft traveling wheel Download PDFInfo
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- CN219044795U CN219044795U CN202222402666.2U CN202222402666U CN219044795U CN 219044795 U CN219044795 U CN 219044795U CN 202222402666 U CN202222402666 U CN 202222402666U CN 219044795 U CN219044795 U CN 219044795U
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Abstract
A gantry crane 90-degree steering multi-shaft running wheel. The device comprises a rotating mechanism shaft, a steel truss, a rotating shaft and a travelling wheel; the steel truss consists of an upper part and two lower trusses, and a running wheel is respectively arranged at the front and rear parts of the lower end of each lower truss by utilizing a rotating shaft; the bottom surfaces of the upper trusses are arranged in the middle of the top surfaces of the two lower trusses by using circular shafts; the rotary mechanism shaft is composed of an upper layer steel plate, a lower layer steel plate and a rotatable mechanism shaft, wherein the middle parts of two sides of the lower layer steel plate are respectively fixed at the middle part of the upper truss through round shafts by using a connecting plate which is vertically arranged, a gap is reserved between the lower layer steel plate and the top surface of the upper truss, and the upper layer steel plate is used for connecting a portal crane upright post. The utility model has simple structure and high safety coefficient, and can eliminate the inclination of the gantry crane caused by uneven steel rail and realize the forward direction change of the gantry crane. In addition, the running wheel is easy to operate when the system is converted, and can be detached after being used, so that the running wheel is more beneficial to construction.
Description
Technical Field
The utility model belongs to the technical field of auxiliary equipment for erecting bridges by using gantry cranes, and particularly relates to a 90-degree steering multi-shaft travelling wheel of a gantry crane.
Background
Along with the development and continuous expansion of cities, railways originally built at the periphery of the cities are located in central zones of the cities, the cities are divided into two parts, at this time, the two parts of the cities are required to be connected through bridges, and the bridge crossing the railways is mainly divided into a lower-crossing railway frame bridge and an upper-crossing railway swivel bridge nowadays. In the construction process of the overspan railway swivel bridge, the spliced bridge needs to be prefabricated beside the railway, and the swivel construction of the spliced bridge is performed after the prefabrication. The assembled bridge is constructed by adopting gantry cranes, but is influenced by railway safety, and the high and large gantry cranes are not allowed to be erected beside the railway. The conventional gantry crane assembling method cannot meet the construction requirements.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a 90-degree steering multi-shaft traveling wheel of a gantry crane.
In order to achieve the purpose, the 90-degree steering multi-shaft traveling wheel of the gantry crane comprises a rotating mechanism shaft, a steel truss, a rotating shaft and a traveling wheel; the steel truss consists of an upper truss and two lower trusses, wherein the two lower trusses are arranged in parallel, the front and rear parts of the lower end of each lower truss are respectively provided with a running wheel by utilizing a rotating shaft, and the running wheels are placed on steel rails; the bottom surfaces of the upper trusses are arranged in the middle of the top surfaces of the two lower trusses by using a circular shaft so as to solve the problem that a single steel rail below the travelling wheels is uneven, and the upper parts of the steel trusses are always in a state of being vertical to the ground; the rotating mechanism shaft consists of an upper layer steel plate, a lower layer steel plate and a rotatable mechanism shaft positioned between the upper layer steel plate and the lower layer steel plate, wherein the middle parts of two sides of the lower layer steel plate are respectively fixed at the middle part of the upper truss by a round shaft through a perpendicularly arranged connecting plate, and a gap is reserved between the lower layer steel plate and the top surface of the upper truss so as to solve the problem that the heights of two steel rails below the travelling wheels are uneven, so that the gantry crane is always in a state vertical to the ground, and the upper layer steel plate is used for connecting the gantry crane upright posts.
The rotating shaft is a steel rotating shaft.
The travelling wheel is made of steel.
The 90-degree steering multi-shaft running wheel of the gantry crane provided by the utility model has the advantages of simple structure and high safety coefficient, and can eliminate the inclination of the gantry crane caused by uneven steel rails and realize the forward direction change of the gantry crane. In addition, the running wheel is easy to operate when the system is converted, and can be detached after being used, so that the running wheel is more beneficial to construction.
Drawings
Fig. 1 is a schematic diagram of a gantry crane 90-degree steering multi-axis running wheel provided by the utility model.
Detailed Description
The 90-degree steering multi-shaft traveling wheel of the gantry crane provided by the utility model is described in detail below with reference to the accompanying drawings and specific embodiments. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Now, a bridge engineering will be described as an example: the bridge is a municipal bridge and adopts a form of (119+268+119) m upper stiffening continuous steel truss girder. The bridge steel truss spans 7 tracks of high-speed railways and common-speed railways, the bridges are prefabricated and assembled at two sides of the railways, then swivel construction is carried out, and the highest point of the steel truss is about 57m away from the ground, so that the steel truss is assembled by adopting a gantry crane, but the gantry crane is not allowed to be erected beside the railways due to the requirement of the high-speed railways, so that the steel truss can only be moved to the side of the railways after being erected at a position 130m away from the railways, and then the advancing direction can be converted. The 90-degree steering multi-shaft running wheel of the gantry crane is selected for use in the engineering, so that the construction requirement is met.
As shown in fig. 1, the gantry crane 90-degree steering multi-shaft running wheel provided by the utility model comprises a rotating mechanism shaft 1, a steel truss 2, a rotating shaft 3 and a running wheel 4; the steel truss 2 consists of an upper truss 2-1 and two lower trusses 2-2, wherein the two lower trusses 2-2 are arranged in parallel, a running wheel 4 is respectively arranged at the front and rear parts of the lower end of each lower truss 2-2 by utilizing a rotating shaft 3, and the running wheel 4 is placed on a steel rail; the bottom surfaces of the upper trusses 2-1 are arranged in the middle of the top surfaces of the two lower trusses 2-2 by using a circular shaft so as to eliminate the problem that a single steel rail below the travelling wheel 4 is uneven, and the upper part of the steel truss 2 is always in a state vertical to the ground; the rotating mechanism shaft 1 is composed of an upper layer steel plate 1-1, a lower layer steel plate 1-2 and a rotatable mechanism shaft 1-3 positioned between the upper layer steel plate 1-1 and the lower layer steel plate 1-2, wherein the middle parts of two sides of the lower layer steel plate 1-2 are respectively fixed at the middle part of an upper truss 2-1 through a round shaft by using a vertically arranged connecting plate, a gap is reserved between the upper surfaces of the lower layer steel plate 1-2 and the upper truss 2-1, so that the problem of uneven height difference of two steel rails below a travelling wheel 4 is solved, a gantry crane is always in a state vertical to the ground, and the upper layer steel plate 1-1 is used for connecting a gantry crane upright post.
The rotating shaft 3 is a steel rotating shaft.
The running wheel 4 is made of steel.
The using method of the gantry crane 90-degree steering multi-shaft running wheel provided by the utility model is explained as follows:
when a bridge is required to be prefabricated and assembled beside a railway, firstly, a constructor erects a gantry crane on a site which is hundreds of meters away from the railway, then installs two temporary steel rails between the railway and the site, then respectively places two groups of travelling wheels 4 on 90-degree steering multi-shaft travelling wheels of the gantry crane on the two temporary steel rails, then directly welds a gantry crane upright post on an upper layer steel plate 1-1 of a rotating mechanism shaft 1, finally, moves the gantry crane beside the railway along the two temporary steel rails by utilizing the 90-degree steering multi-shaft travelling wheels of the gantry crane, and lifts the gantry crane by using a forward jack, at the moment, the 90-degree steering multi-shaft travelling wheels of the gantry crane are also lifted together, then rotates the lower structure of the 90-degree steering multi-shaft travelling wheels of the gantry crane by 90 degrees through the rotating mechanism shaft 1-3 and then places the lower structure of the 90-degree steering multi-shaft travelling wheels of the gantry crane on the other two rails, so that the travelling direction of the gantry crane is changed.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (3)
1. The utility model provides a portal crane 90 turns to multiaxis running gear which characterized in that: the gantry crane 90-degree steering multi-shaft traveling wheel comprises a rotating mechanism shaft (1), a steel truss (2), a rotating shaft (3) and a traveling wheel (4); the steel truss (2) consists of an upper truss (2-1) and two lower trusses (2-2), wherein the two lower trusses (2-2) are arranged in parallel, a running wheel (4) is arranged at the front and rear parts of the lower end of each lower truss (2-2) by utilizing a rotating shaft (3), and the running wheel (4) is placed on a steel rail; the bottom surfaces of the upper trusses (2-1) are arranged in the middle of the top surfaces of the two lower trusses (2-2) by using a circular shaft so as to solve the problem that a single steel rail below the travelling wheel (4) is uneven, and the upper parts of the steel trusses (2) are always in a state vertical to the ground; the rotating mechanism shaft (1) is composed of an upper layer steel plate (1-1), a lower layer steel plate (1-2) and a rotatable mechanism shaft (1-3) arranged between the upper layer steel plate (1-1) and the lower layer steel plate (1-2), wherein the middle parts of two sides of the lower layer steel plate (1-2) are respectively fixed at the middle part of an upper truss (2-1) through round shafts by using a connecting plate which is vertically arranged, and a gap is reserved between the lower layer steel plate (1-2) and the top surface of the upper truss (2-1) so as to solve the problem that the heights of two steel rails below a travelling wheel (4) are uneven, so that the gantry crane is always in a state vertical to the ground, and the upper layer steel plate (1-1) is used for connecting a gantry crane upright.
2. The gantry crane 90 ° steering multi-axis running wheel of claim 1 wherein: the rotating shaft (3) is a steel rotating shaft.
3. The gantry crane 90 ° steering multi-axis running wheel of claim 1 wherein: the running wheel (4) is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222402666.2U CN219044795U (en) | 2022-09-09 | 2022-09-09 | Gantry crane 90-degree steering multi-shaft traveling wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222402666.2U CN219044795U (en) | 2022-09-09 | 2022-09-09 | Gantry crane 90-degree steering multi-shaft traveling wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219044795U true CN219044795U (en) | 2023-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222402666.2U Active CN219044795U (en) | 2022-09-09 | 2022-09-09 | Gantry crane 90-degree steering multi-shaft traveling wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219044795U (en) |
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2022
- 2022-09-09 CN CN202222402666.2U patent/CN219044795U/en active Active
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