CN206189441U - Telescopic foundation structure of little load in mountain area - Google Patents
Telescopic foundation structure of little load in mountain area Download PDFInfo
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- CN206189441U CN206189441U CN201621028718.2U CN201621028718U CN206189441U CN 206189441 U CN206189441 U CN 206189441U CN 201621028718 U CN201621028718 U CN 201621028718U CN 206189441 U CN206189441 U CN 206189441U
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- base expanding
- mountain area
- sleeve
- foundation structure
- sleeve shaft
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Abstract
The utility model relates to a tower foundation of a power transmission line field is to current tower foundation of a power transmission line at mountain area transportation and exist economically not enough and a telescopic foundation structure of little load in mountain area who provides. Including pre -buried at the below ground the sleeve shaft and expand at the end with the lower part of sleeve shaft integral type structure, the lower extreme that the end is located the sleeve shaft is expanded to the lower part, the holistic orthographic projection face in the end is expanded for circular structure in the lower part, the upper end diameter that the end is expanded to the lower part will be less than the lower extreme diameter, is equipped with power supply line pole male hole groove in the sleeve shaft. The utility model discloses the design of oblique stock can improve the anti overturning stability in pole basis, is less than the lower extreme diameter with the base bottom design for the upper end diameter, and the messenger not only can improve on the basis the anti overturning stability in pole basis, can effectively improve anti - pulling capacity moreover, makes this basis be fit for telescopic foundation structure of little load in mountain area.
Description
Technical field
The utility model belongs to transmission line tower foundation field, specifically a kind of telescopic basis knot of mountain area small load
Structure.
Background technology
As the development line corridor condition of China's economic society and power grid construction becomes increasingly complex, base area is needed in mountain area
The conditions such as shape geology natural environment, using new clinoform pole and tower foundation engineering scheme, selection in good time is appeared using height
Basis.The foundation main of 10kV overhead transmission line cement poles will comprising direct burial basis, chassis+chuck it is basic, it is telescopic basis and
Footing foundation.But for the 10kV circuit cement poles of mountain area, the especially larger corner cement pole of root bending moment, in order to ensure
The stabilization on basis needs certain stable side slope protection domain, and conventional footing foundation is not suitable for greatly very much due to excavation face
Mountain area, chassis+chuck basis is big due to volume, and heavy is not easy to be transported in mountain area, the basic and telescopic basis of direct burial
Need to be improved by buried foundation bearing capacity so as to uneconomical.Therefore a kind of mountain area " upper anchor draws-lower base expanding and base expanding " is designed telescopic
Basis is necessary.
Utility model content
The purpose of this utility model be directed to existing transmission line tower foundation mountain area transport and economy present on not
A kind of telescopic foundation structure of mountain area small load for providing enough.
To achieve these goals, technical solution adopted in the utility model is：
The telescopic foundation structure of mountain area small load, including it is embedded in the sleeve shaft and with sleeve shaft integrally of below ground
The bottom base expanding and base expanding of formula structure, bottom base expanding and base expanding is located at the lower end of sleeve shaft, and base expanding and base expanding overall frontal plane of projection in bottom is circular configuration,
The upper end diameter of bottom base expanding and base expanding is less than lower end diameter, and the hole slot of power supply line bar insertion is provided with sleeve shaft.
On shaft periphery, circular array is distributed with multiple tiltedly anchor poles, and the angle between oblique anchor pole and shaft is 30-60 degree
Between any value.
Be provided with bar construction in sleeve shaft, the bar construction include sleeve cage bar and sleeve stirrup, sleeve stirrup with
Sleeve cage bar is welded.
Described oblique anchor pole is upper and lower double-layer structure.
Described bottom base expanding and base expanding is in truncated cone-shaped structure.
The beneficial effects of the utility model：The design of the oblique anchor pole of the utility model can improve pole-foundation antidumping stabilization
Property, foundation bottom is designed as upper end diameter less than lower end diameter, basis is not only improved pole-foundation stability against overturning,
And breakout capacity can be effectively improved, the basis is adapted to the telescopic foundation structure of mountain area small load.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is the structural representation of bottom base expanding and base expanding of the present utility model.
Specific embodiment
The utility model is described further with reference to embodiment.
Embodiment
A kind of telescopic foundation structure of mountain area small load as shown in Figure 1-Figure 3, including the sleeve for being embedded in below ground
Shaft 1 and the bottom base expanding and base expanding 3 with sleeve shaft integral structure, bottom base expanding and base expanding are located at the lower end of sleeve shaft, and bottom base expanding and base expanding is whole
The frontal plane of projection of body is circular configuration, and the upper end diameter of bottom base expanding and base expanding is less than lower end diameter, supply lines is provided with sleeve shaft
The hole slot 4 of bar insertion, hole slot is blind hole.On shaft periphery, circular array is distributed with multiple tiltedly anchor poles 2, and described oblique anchor pole is
Upper and lower double-layer structure.Every layer is at least three, and the angle between oblique anchor pole and shaft is any value between 30-60 degree, tiltedly
Anchor pole one end is connected with shaft, and the other end is extended in ground, is fixed by setscrew.Reinforcing bar knot is provided with sleeve shaft
Structure, the bar construction includes sleeve cage bar 5 and sleeve stirrup 6, and sleeve stirrup is welded with sleeve cage bar.Described bottom base expanding and base expanding is in
Truncated cone-shaped structure.The inclination angle of the height of bottom base expanding and base expanding and the diameter on chassis and base expanding and base expanding determines according to soil condition.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, it is in the art common on the premise of the utility model spirit and scope are not departed from
Technical staff simple change and replacement be all within protection domain of the present utility model.
Claims (5)
1. the telescopic foundation structure of mountain area small load, it is characterised in that：Including be embedded in below ground sleeve shaft and with set
The bottom base expanding and base expanding of barrel mast body integral structure, bottom base expanding and base expanding is located at the lower end of sleeve shaft, the overall frontal plane of projection of bottom base expanding and base expanding
It is circular configuration, the upper end diameter of bottom base expanding and base expanding is less than lower end diameter, the hole slot of power supply line bar insertion is provided with sleeve shaft.
2. small load telescopic foundation structure in mountain area according to claim 1, it is characterised in that：On shaft periphery in a ring
Array distribution has multiple tiltedly anchor poles, and the angle between oblique anchor pole and shaft is any value between 30-60 degree.
3. small load telescopic foundation structure in mountain area according to claim 1 and 2, it is characterised in that：In sleeve shaft
Bar construction is provided with, the bar construction includes sleeve cage bar and sleeve stirrup, sleeve stirrup is welded with sleeve cage bar.
4. small load telescopic foundation structure in mountain area according to claim 2, it is characterised in that：Described oblique anchor pole is upper
Lower double-layer structure.
5. small load telescopic foundation structure in mountain area according to claim 1, it is characterised in that：Described bottom base expanding and base expanding is in
Truncated cone-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028718.2U CN206189441U (en) | 2016-08-31 | 2016-08-31 | Telescopic foundation structure of little load in mountain area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028718.2U CN206189441U (en) | 2016-08-31 | 2016-08-31 | Telescopic foundation structure of little load in mountain area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206189441U true CN206189441U (en) | 2017-05-24 |
Family
ID=58728145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621028718.2U Active CN206189441U (en) | 2016-08-31 | 2016-08-31 | Telescopic foundation structure of little load in mountain area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206189441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480898A (en) * | 2016-08-31 | 2017-03-08 | 安徽华电工程咨询设计有限公司 | The telescopic base structure of mountain area small load |
-
2016
- 2016-08-31 CN CN201621028718.2U patent/CN206189441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480898A (en) * | 2016-08-31 | 2017-03-08 | 安徽华电工程咨询设计有限公司 | The telescopic base structure of mountain area small load |
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