CN215979371U - Reducing shaft well head construction platform - Google Patents
Reducing shaft well head construction platform Download PDFInfo
- Publication number
- CN215979371U CN215979371U CN202121991872.0U CN202121991872U CN215979371U CN 215979371 U CN215979371 U CN 215979371U CN 202121991872 U CN202121991872 U CN 202121991872U CN 215979371 U CN215979371 U CN 215979371U
- Authority
- CN
- China
- Prior art keywords
- pressure
- construction platform
- cable
- bearing
- upright post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A reducing shaft well mouth construction platform belongs to the technical field of shaft well mouth construction platforms. The device comprises a pressure bearing system, a balance beam system, a tension system and an anchoring system, and is characterized in that the balance beam system is a truss balance beam system formed by connecting longitudinal beams and cross beams, one end of the balance beam system is arranged on the ground of a wellhead, and the other end of the balance beam system is suspended in a well; the pressure-bearing system comprises a pressure-bearing upright post and a cable beam, the anchoring system comprises an anchor rod, one end of the anchor rod is anchored below the ground, the other end of the anchor rod is fixed with a concrete balancing weight and a longitudinal beam, the tension system comprises a cable, and the cable is respectively positioned on two sides of the pressure-bearing upright post. The utility model has the beneficial effects that: at the unsettled compensating beam system that sets up of reducing shaft well head, the compensating beam system bears the construction load, utilizes cable-stay bridge principle, improves unsettled length in the construction platform well through cable multiple spot atress, improves the ability of striding, and well head construction platform is once installed and just can be satisfied different construction stage demands such as reducing shaft excavation, concrete placement, grout.
Description
Technical Field
The utility model provides a reducing shaft well head construction platform, belongs to shaft well head construction platform technical field, relates to hydraulic and hydroelectric engineering, railway engineering, highway engineering, mine engineering shaft well head construction work platform design and construction technology, in particular to design and the application of reducing shaft well head operation platform system.
Background
The wellhead construction platform is frequently applied to engineering construction, but the variable-diameter shaft wellhead construction platform is limited by different conditions of different shaft section diameters, and the wellhead platform needs to meet the shaft construction requirements of different diameter sections and the requirements of simple, safe and efficient construction.
Traditional reducing shaft well head construction platform segmentation is laid or is directly not set up the platform, and personnel adopt the cat ladder from top to bottom, and material, equipment adopt the crane hoist and mount, and the follow-up process construction of shaft needs repeatedly demolish and mounting platform. Therefore, the traditional wellhead platform and the construction method cannot meet the requirements of quick, safe and efficient construction of the variable-diameter vertical shaft.
Disclosure of Invention
The utility model aims to solve the problems and provides a reducing vertical shaft wellhead construction platform which is simple in structure, convenient to construct and free of repeated installation and disassembly. The technical scheme is as follows:
a reducing shaft well head construction platform comprises a pressure bearing system, a balance beam system, a tension system and an anchoring system, and has the key technology that the balance beam system is a truss balance beam system formed by connecting longitudinal beams and cross beams, one end of the balance beam system is arranged on the ground of a shaft head, and the other end of the balance beam system is suspended in the shaft; the pressure-bearing system comprises a pressure-bearing upright post and a guy cable beam, the bottom of the pressure-bearing upright post is embedded below the ground and fixed with a concrete balancing weight, the guy cable beam is installed at the upper end of the pressure-bearing upright post, an inclined strut is installed on a longitudinal beam, the other end of the inclined strut is fixed on the pressure-bearing upright post, and the inclined struts are respectively positioned at two sides of the pressure-bearing upright post; the anchoring system comprises an anchor rod, one end of the anchor rod is anchored below the ground, and the other end of the anchor rod is fixed with the concrete balancing weight and the longitudinal beam; the tension system comprises inhaul cables, the inhaul cables are respectively positioned on two sides of the pressure-bearing upright post, the upper ends of the inhaul cables are fixed on the inhaul cable beam, the lower end of one side of the inhaul cable is fixed with the anchoring end of the longitudinal beam, and the lower end of the other side of the inhaul cable is fixed on the cross beam.
Compared with the prior art, the utility model has the following beneficial effects:
1. at the unsettled compensating beam system that sets up of reducing shaft well head, the compensating beam system bears construction load, utilize the cable-stay bridge principle, it conveys the load pulling force to back anchor section to draw the system, bearing system bears the vertical power of cable, improve unsettled length in the construction platform well through cable multiple spot atress, improve the ability of striding the footpath, solve the problem that the unsettled part of reducing shaft construction platform is longer and bear the load big, well head construction platform is once installed and just can be satisfied different construction stage demands such as reducing shaft excavation, concrete placement, grout.
2. The utility model does not need repeated installation and disassembly, saves about 30 days of platform installation and disassembly period, and saves cost and protects environment.
3. The characteristics that the compressive strength of steel is higher than the tensile strength and the tensile force borne by the inhaul cable is large are utilized, the advantages of materials are fully exerted, the structure is simple, the operation is convenient, and the materials are saved.
Drawings
FIG. 1 is a longitudinal cross-sectional view of the structure of the present invention;
fig. 2 is a plan view of the structure of the present invention.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the utility model and is not intended to limit the utility model in any way, but is equivalent or analogous to the present invention without departing from its scope.
Referring to fig. 1 and 2, the variable-diameter shaft wellhead construction platform comprises a pressure bearing system, a balance beam system, a tension system and an anchoring system, and has the key technology that the balance beam system is a truss balance beam system formed by welding and connecting longitudinal beams 7 and cross beams 8, one end of the balance beam system is arranged on the ground of a wellhead, and the other end of the balance beam system is suspended in a shaft; the pressure-bearing system comprises a pressure-bearing upright post 2 and a guy cable beam 3, the bottom of the pressure-bearing upright post is embedded at least 0.5m below the ground and is fixed with a concrete balancing weight 11, the guy cable beam 3 is installed at the upper end of the pressure-bearing upright post 2, an inclined strut 5 is installed on a longitudinal beam 7, the other end of the inclined strut 5 is fixed on the pressure-bearing upright post 2, and the inclined struts are respectively positioned at two sides of the pressure-bearing upright post 2; the anchoring system comprises an anchor rod 1, the length of the anchor rod 1 is 3-4 m, one end of the anchor rod is anchored below the ground by at least 1.5m, and the other end of the anchor rod is fixed with a concrete balancing weight 11 and a longitudinal beam 7; the tension system comprises inhaul cables 4, the inhaul cables 4 are respectively located on two sides of the pressure-bearing upright post 2, the upper ends of the inhaul cables 4 are fixed on the inhaul cable beam 3, the lower ends of the inhaul cables on one side are fixed with the anchoring end of the longitudinal beam 7, and the lower ends of the inhaul cables on the other side are fixed on the cross beam 8.
By utilizing the characteristic of high compressive strength of steel, the pressure-bearing upright post 2 comprises two section steels, and the bottom ends of the two section steels are connected through a connecting beam 12.
The inhaul cable 4 fixed at the anchoring end of the longitudinal beam 7 penetrates through the connecting beam 12 and then is connected in a sliding mode.
And a double-layer punching type steel plate net 10 is paved on the top surface of the part of the balance beam system suspended in the well.
And pull rings 6 are respectively fixed on the inhaul cable beam 3, the anchoring end of the longitudinal beam 7 and the cross beam 8 and are used for fixing the inhaul cable 4.
And a hanging hole 9 is arranged at the position of the balance beam system hanging in the well.
The size of the concrete balancing weight 11 is 0.5 multiplied by 0.5m, and the concrete balancing weight is buried under the ground by at least 0.2 m.
Engineering example:
the excavation diameter of a large well section of a surge shaft of a certain power station is 21.0m, the excavation diameter of a riser section is 18.0m, and the excavation diameter of a small well section is 8.5 m. The span of the wellhead platform is 8.75m, and the height of the supporting system is 4.0 m. The truss is formed by welding HW200 section steel, I18a and I10I-shaped steel, the distance between the HW200 section steel and the beam is 70cm, the pressure-bearing upright columns are arranged on the ground, the embedded depth of the bottoms of the pressure-bearing upright columns is not less than 0.5m, and concrete blocks of 0.5 multiplied by 0.5m are poured at the bottoms of the pressure-bearing upright columns and the end parts of the HW200 section steel at the well head. 48 phi 25 anchor rods (the length of the anchor rods is 3.0m) are arranged at the anchoring end of the wellhead derrick to fix the whole wellhead platform on the ground, the platform is connected into a whole by I18I-steel, and a double-layer punching type steel plate net is fully paved.
According to the traditional method, 3 sets of wellhead platforms need to be arranged in sections at the wellhead, and the wellhead construction platforms are repeatedly installed and removed at different construction stages of the vertical shaft.
Claims (7)
1. A reducing shaft well head construction platform comprises a pressure bearing system, a balance beam system, a tension system and an anchoring system, and is characterized in that the balance beam system is a truss balance beam system formed by connecting longitudinal beams (7) and cross beams (8), one end of the balance beam system is arranged on the ground of a well head, and the other end of the balance beam system is suspended in the well; the pressure-bearing system comprises a pressure-bearing upright post (2) and a guy cable beam (3), the bottom of the pressure-bearing upright post is embedded into the ground and fixed with a concrete balancing weight (11), the guy cable beam (3) is installed at the upper end of the pressure-bearing upright post (2), an inclined strut (5) is installed on a longitudinal beam (7), the other end of the inclined strut (5) is fixed on the pressure-bearing upright post (2), and the inclined struts are respectively positioned on two sides of the pressure-bearing upright post (2); the anchoring system comprises an anchor rod (1), one end of the anchor rod is anchored below the ground, and the other end of the anchor rod is fixed with a concrete balancing weight (11) and a longitudinal beam (7); the tension system comprises inhaul cables (4), the inhaul cables (4) are located on two sides of the pressure-bearing upright post (2) respectively, the upper ends of the inhaul cables (4) are fixed to the inhaul cable beam (3), the lower end of the inhaul cable on one side is fixed to the anchoring end of the longitudinal beam (7), and the lower end of the inhaul cable on the other side is fixed to the cross beam (8).
2. The reducing shaft wellhead construction platform according to claim 1, characterized in that the pressure-bearing upright column (2) comprises two section steels, and the bottom ends of the two section steels are connected through a connecting beam (12).
3. The reducing shaft wellhead construction platform according to claim 1, characterized in that the guy cable (4) fixed at the anchoring end of the longitudinal beam (7) is connected in a sliding manner after penetrating through the connecting beam (12).
4. The reducing shaft wellhead construction platform according to claim 1, characterized in that a double-layer punching type steel plate net (10) is laid on the top surface of the part of the balance beam system suspended in the shaft.
5. The reducing shaft wellhead construction platform according to claim 1, characterized in that pull rings (6) are respectively fixed on the guy cable beam (3), the anchoring end of the longitudinal beam (7) and the cross beam (8) for fixing the guy cable (4).
6. The reducing shaft wellhead construction platform according to claim 1, characterized in that the balance beam system is provided with a hanging hole (9) in the position suspended in the well.
7. The reducing shaft wellhead construction platform according to claim 1, wherein the concrete counter weight (11) has a size of 0.5 x 0.5m and is buried under the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121991872.0U CN215979371U (en) | 2021-08-23 | 2021-08-23 | Reducing shaft well head construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121991872.0U CN215979371U (en) | 2021-08-23 | 2021-08-23 | Reducing shaft well head construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979371U true CN215979371U (en) | 2022-03-08 |
Family
ID=80517942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121991872.0U Active CN215979371U (en) | 2021-08-23 | 2021-08-23 | Reducing shaft well head construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979371U (en) |
-
2021
- 2021-08-23 CN CN202121991872.0U patent/CN215979371U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104963301B (en) | The dilatory translation downward putting device and method removed for pier top beam section and bridge pier | |
| CN104929373B (en) | Large span Square Steel Tubes Truss and its accumulation slippage construction method | |
| CN102080357B (en) | Integrated beam-falling device and method for steel pipe pier bailey beam cast-in-place bracket | |
| CN101537976B (en) | Dual-tower-mast giant self-lifting crane and following-carrying lifting method thereof | |
| CN201106155Y (en) | Inclined guy cable auxiliary full cantaliver crane trussed steel beam device | |
| CN101649604A (en) | Construction bracket of 1# block of inclined pull bridge and constructing method thereof | |
| CN201376848Y (en) | Large-scale double-tower automatic-elevation hoisting equipment | |
| CN110700332A (en) | Existing building reinforcing pile foundation static load test counterforce device and test method thereof | |
| CN215979371U (en) | Reducing shaft well head construction platform | |
| CN201102883Y (en) | Steel cable sliding and lifting device | |
| CN215925647U (en) | Arch rib buckle cable anchoring beam for tower buckle integration | |
| CN217419647U (en) | Prestress applying structure and foundation pit beam string steel pull rod prestress applying node | |
| CN113756209B (en) | Cable-stayed pushing construction method for large-span steel beam | |
| CN205531393U (en) | Pier stud construction system | |
| CN214459535U (en) | Construction system of asymmetric cantilever beam of cable-stayed bridge | |
| CN211815605U (en) | Construction device for pile column type pier tie beam and capping beam | |
| CN212670670U (en) | Loading device and test equipment for foundation pile compression-resistant static load test | |
| CN213233105U (en) | Small-span concrete cast-in-place box girder support system | |
| CN201265362Y (en) | Double-operation derrick | |
| CN209873587U (en) | Simply supported steel truss four-point supporting and pushing system | |
| CN109205475B (en) | Device and method for assembling and disassembling girder type gantry crane in tunnel through connection of trusses | |
| CN111549688A (en) | Static lifting device for whole-span dismantling of continuous bridge body and construction method | |
| CN112695607A (en) | Construction method and system for asymmetric cantilever beam of cable-stayed bridge | |
| CN216945877U (en) | Pipe-jacking working well operation platform | |
| CN211923517U (en) | A auxiliary stay frame for installing platform in hydraulic pressure creeping formwork |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |