CN216194098U - Temporary supporting device for steel box girder pushing construction - Google Patents
Temporary supporting device for steel box girder pushing construction Download PDFInfo
- Publication number
- CN216194098U CN216194098U CN202122653762.XU CN202122653762U CN216194098U CN 216194098 U CN216194098 U CN 216194098U CN 202122653762 U CN202122653762 U CN 202122653762U CN 216194098 U CN216194098 U CN 216194098U
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- Prior art keywords
- base
- hydraulic lifting
- steel box
- box girder
- lifting rod
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of steel box girder pushing construction equipment, in particular to a temporary supporting device for steel box girder pushing construction. According to the utility model, the moving frame is connected with the tractor and moved to the designated position, the extension of the four hydraulic supporting legs is controlled to reduce the gravity center, the stability is improved, the moving is convenient and fast, the installation is simple and fast, the stability is high, the main hydraulic lifting rod is lifted up by controlling the extension of the multistage hydraulic lifting rod, the turnover angle of the second base can be adjusted by controlling the first empty groove, the top surface of the third base is kept in a horizontal state by matching the two multistage hydraulic lifting rods with the adjusting hydraulic lifting rod, the adjustment is fast, the balance of the device is improved, and the adjustment is fast and simple.
Description
Technical Field
The utility model relates to the technical field of steel box girder pushing construction equipment, in particular to a temporary supporting device for steel box girder pushing construction.
Background
The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called as a steel box girder because the steel box girder is shaped like a box. When the steel box girder is installed, firstly, hoisting equipment is used for hoisting the steel box girder at the top of a position needing to be installed, then, a pushing device is used for supporting the bottom of the steel box girder, in the pushing process, the elevation of the bottom of the steel beam is always higher than the final designed elevation of the bottom of the girder, the girder needs to fall after the pushing is in place, and all pushing equipment in the whole girder falling process are synchronously and hierarchically carried out.
The conventional temporary supporting device is usually provided with a temporary supporting column, so that the mounting is troublesome, and the later-stage disassembly is laborious; when the existing temporary supporting device is used for adjusting the top falling beam, a pushing device and an adjusting cushion block descending mode in a grading mode are adopted, the operation is complex, and the time is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a temporary supporting device for steel box girder pushing construction, which aims to solve the problems in the background technology. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a steel box girder top pushes away construction and uses interim strutting arrangement, includes moving vehicle frame and third base, moving vehicle frame's top fixed mounting has adjustment mechanism, adjustment mechanism's top fixed mounting has the third base, the top central point of third base puts fixed mounting has walking jack, the top surface fixed mounting of third base has four support columns, steel box girder has been placed at the top of walking jack and four support columns.
Preferably, the adjusting mechanism comprises a first base, a second base, two main hydraulic lifting rods, a rotating part and a multi-stage hydraulic lifting rod, the first base is fixedly mounted at the top of the movable frame, the top surface of the first base is fixedly provided with two supporting blocks, the two supporting blocks are rotatably mounted on the second base, the top surface of the second base is fixedly provided with two rotating parts, the two rotating parts are rotatably mounted on the main hydraulic lifting rods, and the two top telescopic ends of the main hydraulic lifting rods are fixedly connected with the bottom of the third base.
Preferably, two equal fixed mounting in a side surface of main hydraulic lifting rod has a connecting block, two the bottom of connecting block all rotates and is connected with multistage hydraulic lifting rod, two the bottom of multistage hydraulic lifting rod all rotates and installs the top at the second base.
Preferably, a second reinforcing cross rod is fixedly mounted between the main rods of the main hydraulic lifting rod, and a first reinforcing cross rod is fixedly mounted between the tops of the telescopic rods of the main hydraulic lifting rod.
Preferably, two supporting plates are fixedly mounted on the surfaces of the two sides of the first base, and hydraulic supporting legs are fixedly mounted on the bottom surfaces of the four supporting plates.
Preferably, two second empty grooves are formed in one side surface, away from the supporting block, of the second base, two first empty grooves are formed in one side surface, away from the supporting block, of the first base, adjusting hydraulic lifting rods are rotatably mounted in the two first empty grooves, and the top ends of the two adjusting hydraulic lifting rods are rotatably mounted in the two corresponding second empty grooves respectively.
Preferably, the top of the walking jack is provided with a detachable base plate, and the top ends of the four support columns are provided with adjusting cushion blocks in a threaded manner.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the moving frame is connected with the tractor and moved to the designated position, and the four hydraulic supporting legs are controlled to extend, so that the gravity center is reduced, the stability is improved, the moving is convenient and fast, the installation is simple and fast, and the stability is high.
According to the utility model, the main hydraulic lifting rod is lifted by controlling the extension of the multistage hydraulic lifting rods, the first empty groove is controlled to adjust the turnover angle of the second base, and the top surface of the third base is kept in a horizontal state by matching the two multistage hydraulic lifting rods and the adjusting hydraulic lifting rods, so that the adjustment is rapid, the balance of the device is improved, and the adjustment is rapid and simple.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic right-view structural diagram of a third base according to the present invention;
fig. 4 is a perspective view of the first and second bases of the present invention.
In the figure: 1. moving the frame; 2. hydraulic supporting legs; 3. an adjustment mechanism; 301. a multi-stage hydraulic lifter; 302. connecting blocks; 303. a main hydraulic lifting rod; 304. a rotating member; 305. a first base; 306. a first empty slot; 307. adjusting a hydraulic lifting rod; 308. a support block; 309. a second base; 310. a second empty slot; 311. a first reinforcing rail; 312. a second reinforcing rail; 4. a third base; 5. a support pillar; 6. a walking jack; 7. a steel box girder; 8. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a steel box roof beam pushes away construction and uses interim strutting arrangement, includes moving vehicle frame 1 and third base 4, and moving vehicle frame 1's top fixed mounting has adjustment mechanism 3, and adjustment mechanism 3's top fixed mounting has third base 4, and the top central point of third base 4 puts fixed mounting has walking jack 6, and the top surface fixed mounting of third base 4 has four support columns 5, and steel box roof beam 7 has been placed at the top of walking jack 6 and four support columns 5.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the adjusting mechanism 3 includes a first base 305, a second base 309, two main hydraulic lifting rods 303, a rotating member 304, and a multi-stage hydraulic lifting rod 301, the first base 305 is fixedly installed at the top of the moving frame 1, two supporting blocks 308 are fixedly installed on the top surface of the first base 305, a second base 309 is rotatably installed on the two supporting blocks 308, two rotating members 304 are fixedly installed on the top surface of the second base 309, the main hydraulic lifting rods 303 are rotatably installed on the two rotating members 304, and the top telescopic ends of the two main hydraulic lifting rods 303 are fixedly connected to the bottom of the third base 4.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, two main hydraulic lifting rods 303 are all fixedly mounted with a connecting block 302 on a side surface thereof, the bottoms of the two connecting blocks 302 are all rotatably connected with multistage hydraulic lifting rods 301, the bottom ends of the two multistage hydraulic lifting rods 301 are all rotatably mounted on the top of the second base 309, and angle adjustment of the main hydraulic lifting rods 303 is facilitated by the arrangement of the multistage hydraulic lifting rods 301.
In this embodiment, as shown in fig. 1, 3 and 4, a second reinforcing cross bar 312 is fixedly installed between the main bars of the main hydraulic lifting bar 303, and a first reinforcing cross bar 311 is fixedly installed between the tops of the telescopic bars of the main hydraulic lifting bar 303.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, two support plates 8 are fixedly mounted on both side surfaces of the first base 305, hydraulic support legs 2 are fixedly mounted on bottom surfaces of the four support plates 8, and the support plates 8 are arranged to facilitate lowering of the center of gravity and improve the stability of the device.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, two second empty slots 310 are disposed on a side surface of the second base 309 away from the supporting block 308, two first empty slots 306 are disposed on a side surface of the first base 305 away from the supporting block 308, adjusting hydraulic lifting rods 307 are rotatably mounted in the two first empty slots 306, top ends of the two adjusting hydraulic lifting rods 307 are rotatably mounted in the two corresponding second empty slots 310, and the angle adjustment of the second base 309 is conveniently controlled by disposing the second empty slots 310, the first empty slots 306, and the adjusting hydraulic lifting rods 307.
In this embodiment, as shown in fig. 1 and 3, the detachable base plate is installed at the top of the walking jack 6, the adjusting cushion blocks are installed on the top ends of the four supporting columns 5 in a threaded manner, and the detachable base plate and the adjusting cushion blocks are arranged to facilitate fine adjustment of the steel box girder 7 at the top.
The use method and the advantages of the utility model are as follows: this kind of steel box girder top pushes away construction and uses interim strutting arrangement when using, the working process as follows:
as shown in fig. 1, 2, 3 and 4, when the walking-type lifting jack is used, a moving frame 1 is connected with a tractor and is moved to a designated position, the four hydraulic supporting legs 2 are controlled to extend to enable the center of gravity to be lowered, the stability is improved, then the multistage hydraulic lifting rods 301 are controlled to extend to enable the main hydraulic lifting rods 303 to be lifted, the first empty grooves 306 are controlled to adjust the turnover angle of the second base 309, the top surface of the third base 4 is kept in a horizontal state by adjusting the two multistage hydraulic lifting rods 301 and the hydraulic lifting rods 307, the walking-type lifting jack is convenient and quick to move and install, a steel box girder 7 is placed on the tops of the four supporting columns 5 by using a hoisting tool to complete temporary supporting of the steel box girder 7, the lifting of the steel box girder 7 is facilitated by controlling the lengths of the two main hydraulic lifting rods 303, the walking-type lifting jack 6 is matched with the four supporting columns 5 to lift up and down step by step, adjusting cushion blocks on the supporting columns 5, and finishing fine adjustment of the height of the steel box girder 7.
The present invention relates to circuits, electronic components and control modules all of which are well within the skill of those in the art and, needless to say, the present invention is not directed to software and process improvements.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a steel box girder top pushes away construction and uses interim strutting arrangement, includes moving vehicle frame and third base, its characterized in that: an adjusting mechanism is fixedly installed at the top of the movable frame, a third base is fixedly installed at the top end of the adjusting mechanism, a walking jack is fixedly installed at the center of the top of the third base, four support columns are fixedly installed on the top surface of the third base, and steel box girders are placed at the tops of the walking jack and the four support columns;
adjustment mechanism includes first base, second base, two main hydraulic lifting rod, rotating member and multistage hydraulic lifting rod, first base fixed mounting is at the top of moving vehicle frame, the top surface fixed mounting of first base has two supporting shoes, two rotate on the supporting shoe and install the second base, second base top surface fixed mounting has two rotating member, two all rotate on the rotating member and install main hydraulic lifting rod, two the equal fixed connection third base's in the flexible end in top of main hydraulic lifting rod bottom.
2. The temporary supporting device for steel box girder incremental launching construction according to claim 1, wherein: two equal fixed mounting in a side surface of main hydraulic lifting rod has a connecting block, two the bottom of connecting block all rotates and is connected with multistage hydraulic lifting rod, two the bottom of multistage hydraulic lifting rod all rotates and installs the top at the second base.
3. The temporary supporting device for steel box girder incremental launching construction according to claim 1, wherein: the hydraulic lifting device is characterized in that a second reinforcing transverse rod is fixedly mounted between the main rods of the main hydraulic lifting rod, and a first reinforcing transverse rod is fixedly mounted between the tops of the telescopic rods of the main hydraulic lifting rod.
4. The temporary supporting device for steel box girder incremental launching construction according to claim 1, wherein: two supporting plates are fixedly mounted on the surfaces of the two sides of the first base, and hydraulic supporting legs are fixedly mounted on the bottom surfaces of the supporting plates.
5. The temporary supporting device for steel box girder incremental launching construction according to claim 1, wherein: two second empty grooves are formed in one side surface, away from the supporting block, of the second base, two first empty grooves are formed in one side surface, away from the supporting block, of the first base, adjusting hydraulic lifting rods are rotatably mounted in the two first empty grooves, and the top ends of the two adjusting hydraulic lifting rods are rotatably mounted in the two corresponding second empty grooves respectively.
6. The temporary supporting device for steel box girder incremental launching construction according to claim 1, wherein: the top of walking jack is installed with can dismantle the backing plate, four the equal threaded regulation cushion of installing in top of support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122653762.XU CN216194098U (en) | 2021-11-02 | 2021-11-02 | Temporary supporting device for steel box girder pushing construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122653762.XU CN216194098U (en) | 2021-11-02 | 2021-11-02 | Temporary supporting device for steel box girder pushing construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216194098U true CN216194098U (en) | 2022-04-05 |
Family
ID=80898575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122653762.XU Active CN216194098U (en) | 2021-11-02 | 2021-11-02 | Temporary supporting device for steel box girder pushing construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216194098U (en) |
-
2021
- 2021-11-02 CN CN202122653762.XU patent/CN216194098U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A temporary support device for steel box girder jacking construction Effective date of registration: 20221229 Granted publication date: 20220405 Pledgee: China Construction Bank Corporation Guiyang Huaxi sub branch Pledgor: GUIZHOU HUITONG SHENFA STEEL STRUCTURE Co.,Ltd. Registration number: Y2022980029511 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220405 Pledgee: China Construction Bank Corporation Guiyang Huaxi sub branch Pledgor: GUIZHOU HUITONG SHENFA STEEL STRUCTURE Co.,Ltd. Registration number: Y2022980029511 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |