CN202012078U - Bearing support for anchor bar with expanding ends - Google Patents
Bearing support for anchor bar with expanding ends Download PDFInfo
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- CN202012078U CN202012078U CN201020604032XU CN201020604032U CN202012078U CN 202012078 U CN202012078 U CN 202012078U CN 201020604032X U CN201020604032X U CN 201020604032XU CN 201020604032 U CN201020604032 U CN 201020604032U CN 202012078 U CN202012078 U CN 202012078U
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- anchor pole
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Abstract
The utility model relates to the technology field of anchoring of a power supply circuit in strong weathered rock formations, medium weathered rock formations, and micro weathered rock formations, and particularly relates to a bearing support for an anchor bar with expanding ends. the bearing support is characterized in that, supporting plates are connected with the bottom of a through steel bar disposed in the anchor bar; one end of the support plate is provided with a through hole, a steel wire stay wire is connected on the through hole. The bearing support in the utility model is advantageous in that, since the two supporting plates are disposed, the two supporting plates can smoothly pass through at a straight hole section, and naturally expands at the expanding section, and anchor bar bearing capacity is greatly improved. The bearing support in the utility model is suitable for strong weathered soil and a rock formation with a higher crushing degree, and end expanding effect can be greatly improved. The bearing support in the utility model is also suitable for various foundation piles for iron tower foundation bearing force with more than 500 KV of power transmission lines, building engineering, bridge engineering, etc., and is particularly suitable for use in various weathered soil layers and rock formations.
Description
Technical field
The utility model relates to power transmission sequence, and the technical field of the anchoring of severely-weathered rock stratum, medium weathering, gentle breeze rock stratum relates in particular to anchor pole bogey at the bottom of a kind of expansion.
Background technology
Along with the high speed development of China's electric utility, overhead line structures pull out on the basis, press down with horizontal thrust and strengthen, and obviously increase the load of column foot plinth.The iron tower foundation of a lot of aerial power transmission lines will shovel out the construction base surface, excavates the square foundation ditch, in the hole reinforcing bar is set, and placing of concrete is resisted and pulled out load and horizontal loading on the powerful iron tower.In the last few years the scientific research personnel by to power line tower basic stress characteristics discover that same basis is born simultaneously and pressed down load and horizontal loading under certain condition, and pull out load and horizontal loading bearing simultaneously under another condition.By to the researching and analysing of various forms of Rock Bolt Foundation destructive process stressing conditions, pulling out load in the discovery is the major control condition of base fixed, is exactly the destructive process of single anchor pole in fact.Therefore, the scientific research personnel of this area all lithosphere on the research and utilization mountain improve single anchor pole on pull out load, and facts have proved by construction and not only to have overcome the shortcoming that traditional column foot embodiment exists, pulling out load on the single anchor pole of while also is improved to some extent, be mainly used in power transmission sequence and expand end anchor pole, severely-weathered rock stratum, medium weathering, the anchoring of gentle breeze rock stratum, anchor pole foundation bolt bottom just is provided with an anchor slab less than the straight hole diameter at the bottom of the expansion in the past, when bearing capacity is big, the bearing capacity of bottom anchor slab in concrete is restricted, thereby bearing capacity is lower.
Summary of the invention
The utility model is the technical problem that exists at prior art, provides a kind of and can obviously improve anchor pole bogey at the bottom of a kind of expansion of expanding end anchor pole bearing capacity.
In order to solve the problems of the technologies described above, the utility model is achieved in that
Expand end anchor pole bogey, it comprises anchor pole, is connected with fagging in the reinforcing bar bottom of the built-in perforation of anchor pole; One end of fagging is provided with through hole, is connected with the steel wire backguy on the through hole.
Described fagging live axle is connected the homonymy of reinforcing bar.
Described fagging live axle respectively is connected the both sides of reinforcing bar.
The bottom of described reinforcing bar is provided with through hole, also is provided with central through hole on the fagging, two faggings is connected to the both sides of reinforcing bar by pin.
Described two faggings are connected the homonymy of reinforcing bar.
One end of described fagging is longer than the other end.
Described fagging is provided with more than one at least.
Because the utility model has added two faggings in the reinforcing bar bottom of the built-in perforation of anchor pole, can pass through smoothly in the straight hole section, trails naturally in the reaming section, therefore can obviously improve the anchor pole bearing capacity.The utility model is applicable to severely-weathered soil property and the higher lithosphere of degree of crushing, and expanding end effect can be significantly improved.The utility model is applicable to transmission line of electricity various basic pile foundations such as the use of iron tower foundation bearing capacity, construction work bridge engineering more than 500 kilovolts, is particularly useful for using in the soil layer, lithosphere of various weathering.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the fagging structural representation.
Among the figure: reinforcing bar 1, nut 2, steel wire backguy 3, fagging 4, pin 5, straight hole 6, central through hole 7, through hole 8, reaming 9.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The specific embodiment
Embodiment 1:
As shown in Figure 1 and Figure 2, Fig. 1 is a structural representation of the present utility model; Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Anchor pole bogey at the bottom of the expansion of the present invention, it is that reinforcing bar 1 two bottom sides in the built-in perforation of anchor pole is connected with two faggings 4 relatively by live axle; One end of fagging 4 is longer than the other end, and an end of two faggings 4 is respectively equipped with on 8, two through holes 8 of through hole and connects two steel wire backguys 3 respectively.
During concrete enforcement, as shown in Figure 1, the anchor pole bogey is elder generation's drilling bore hole on various rocks at the bottom of the expansion of the present invention, and the top in hole is straight hole 6, and the bottom in hole is that the bottom of straight hole 6 is provided with the reaming 9 greater than the diameter of straight hole 6.During enforcement, manually pull steel wire backguy 3 respectively by ground artificial, making two faggings 4 is that long end makes progress all the time in straight hole 6, is in vertical state, and promptly fagging 4 is in closure state all the time.In the time of in reinforcing bar 1 is in reaming 9 downwards, because the space increases, ground artificial manually cuts off steel wire backguy 3 respectively, or ground is drawn back in steel wire backguy 3 all can.At this moment, the long end above two faggings 4 is auto-reverse, stretches to both sides and opens, and forms cross shaped head, and this moment, fluid concrete in the hole got final product, and concrete standard is C30.The top rebars 1 of anchor pole is fixed on the basic plane by nut 2 and gets final product.
Embodiment 2:
With two faggings 4 respectively live axle be connected the homonymy of reinforcing bar 1, pass two through holes 8 on the fagging 4 by same steel wire backguy 3 during enforcement, cross other with example 1.
Embodiment 3:
As shown in Figure 3, Fig. 3 is the fagging structural representation.
The utility model is to be provided with through hole in reinforcing bar 1 bottom of the built-in perforation of anchor pole, also be provided with central through hole 7 on the fagging 4, when two faggings 4 being connected to the both sides of reinforcing bar 1 by cottor pin pin 5, make the long end of fagging 4 be in position upwards, the long end of two faggings 4 is equipped with on 8, two through holes 8 of through hole and connects two steel wire backguys 3 respectively.
During concrete enforcement, pass two through holes 8 on the fagging 4 respectively with two steel wire backguys 3, manually pull two steel wire backguys 3 by ground artificial, make it be in closure state, in the time of in reinforcing bar 1 is in reaming 9 downwards, by extracting steel wire backguy 3 manually out, then two faggings 4 are opened naturally to both sides and are stretched, form cross shaped head, this moment, fluid concrete in the hole got final product.
Embodiment 4:
During enforcement, with steel wire backguy of 8 usefulness of the through hole on two faggings 43 connect pull also can, other is with embodiment 3.
Embodiment 5:
During concrete enforcement, described fagging 4 can also be established one, three, four ... polylith all can.
Claims (2)
1. expand end anchor pole bogey, it comprises anchor pole; It is characterized in that: reinforcing bar (1) bottom in the built-in perforation of anchor pole is connected with fagging (4); One end of fagging (4) is provided with through hole (8), is connected with steel wire backguy (3) on the through hole (8).
2. according to anchor pole bogey at the bottom of the described expansion of claim 1, it is characterized in that: described fagging (4) live axle is connected the homonymy of reinforcing bar (1).
3. according to anchor pole bogey at the bottom of the described expansion of claim 1, it is characterized in that: described fagging (4) live axle respectively is connected the both sides of reinforcing bar (1).
4. anchor pole bogey at the bottom of the expansion according to claim 1, it is characterized in that: the bottom of described reinforcing bar (1) is provided with through hole, also be provided with central through hole (7) on the fagging (4), two faggings (4) be connected to the both sides of reinforcing bar (1) by pin (5).
5. anchor pole bogey at the bottom of the expansion according to claim 4 is characterized in that: described two faggings (4) are connected the homonymy of reinforcing bar (1).
6. according to anchor pole bogey at the bottom of claim 1 or 2 or the 3 or 4 described expansions, it is characterized in that: an end of described fagging (4) is longer than the other end.
7. according to anchor pole bogey at the bottom of claim 1 or the 4 described expansions, it is characterized in that: described fagging (4) is provided with more than one at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020604032XU CN202012078U (en) | 2010-11-12 | 2010-11-12 | Bearing support for anchor bar with expanding ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020604032XU CN202012078U (en) | 2010-11-12 | 2010-11-12 | Bearing support for anchor bar with expanding ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202012078U true CN202012078U (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020604032XU Expired - Fee Related CN202012078U (en) | 2010-11-12 | 2010-11-12 | Bearing support for anchor bar with expanding ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202012078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088276A (en) * | 2014-07-10 | 2014-10-08 | 国家电网公司 | Supporting device for power transmission line under-reamed anchor rod |
| CN105133608A (en) * | 2015-09-07 | 2015-12-09 | 国网山东省电力公司济南供电公司 | Anchor rod used for power construction |
-
2010
- 2010-11-12 CN CN201020604032XU patent/CN202012078U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088276A (en) * | 2014-07-10 | 2014-10-08 | 国家电网公司 | Supporting device for power transmission line under-reamed anchor rod |
| CN104088276B (en) * | 2014-07-10 | 2015-11-18 | 国家电网公司 | A kind of power transmission sequence expands the bracing or strutting arrangement of end anchor pole |
| CN105133608A (en) * | 2015-09-07 | 2015-12-09 | 国网山东省电力公司济南供电公司 | Anchor rod used for power construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENYANG SINO POWER Free format text: FORMER OWNER: HAINAN ZHONGHAI ELECTRIC POWER ENGINEERING CORPORATION Effective date: 20130121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 570105 HAIKOU, HAINAN PROVINCE TO: 110013 SHENYANG, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130121 Address after: 110013, No. 10, Hui Gong street, Shenhe District, Liaoning, Shenyang (room 1804) Patentee after: Shenyang Zhonghai Electric Power Engineering Co., Ltd. Address before: 8, Overseas Building, 36 Kun Kun North Road, 570105, Hainan, Haikou Province, B4 Patentee before: Hainan Zhonghai Electric Power Engineering Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |