CN207672576U - One kind being used for anchor pole corrosion-resistant casing bit - Google Patents
One kind being used for anchor pole corrosion-resistant casing bit Download PDFInfo
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- CN207672576U CN207672576U CN201721651160.8U CN201721651160U CN207672576U CN 207672576 U CN207672576 U CN 207672576U CN 201721651160 U CN201721651160 U CN 201721651160U CN 207672576 U CN207672576 U CN 207672576U
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Abstract
The utility model discloses one kind being used for anchor pole corrosion-resistant casing bit.Described sleeve pipe device includes big casing, small casing and link assembly；Injected hole is formed between the inner wall and anchor pole of the small casing；Note antiseepage fluid apertures is formed between the outer wall of the small casing and the inner wall of big casing；The link assembly includes several connecting rods, and the connecting rod is using small casing central shaft as the center of circle, and helically formula is arranged in note antiseepage fluid apertures；It is in 120 ° of angles between the projection of the adjacent links.Anchor pole preserving method is carried out using the casing bit, seepage-proof liquid can be uniformly adhered to the surface of cement mortar, to ensure that the air-tightness of cement mortar, reduce the infiltration of underground water, solve anchor pole corrosion problems, the casing bit is reusable simultaneously, and construction efficiency is high, at low cost.
Description
Technical field
The utility model is related to one kind being used for anchor pole corrosion-resistant casing bit.
Background technology
Suspension roof support because its supporting effect is good, materials province, low cost, the strong applicability to the soil layer in place, construction is simple,
Be conducive to that mechanized operation, speed of application be fast, the place needed for construction is smaller, can be close to the advantages that existing building excavates,
So using very extensive, such as：During massif tunnel excavation, lithospheric loosening generally can all occur, need to use anchor pole
Supporting；When grade of side slope is larger, also need to use suspension roof support；The excavation of deep basal pit, it is most of also to have used suspension roof support,
Etc..The shortcomings that use scope just because of suspension roof support is more and more wider, suspension roof support more can not be ignored, most importantly
The corrosion problems of anchor pole, it is heavy then may make because of the problem of corrosion condition of anchor pole would generally cause safety and durability
At the extensive disaster such as building collapsing, landslide.
The main reason for causing anchor pole to corrode is the corrosiveness of chemical composition and underground water in the soil body, especially when in the soil body
There are that can greatly accelerate corrosion when sodium salt, calcium salt and magnesium salts, the reason is that the solubility of these salt is high, easily by the moisture in stratum
Solution forms electrolyte, and the condition of electrochemical corrosion is provided for anchor pole；In addition when other corrosive mediums, it can also cause anchor pole rotten
Erosion.Therefore, anchor pole corrosion-resistant major measure be exactly completely cut off anchor pole and the soil body, underground water is in direct contact.
Currently, for the corrosion of anchor pole, people also use many measures, as thermal shrinkage type protection tube, slip casting are protected
Deng.Although these measures have all achieved the purpose that anticorrosive property, when such as using casing pipe protection, casing can not be used repeatedly,
Cause cost increase, environmental pollution, work progress complicated；Such as use slip casting protection when, due to cement mortar itself there is it is micro-
Fine pore, over time, the infiltration of underground water slowly, when underground water contacts anchor pole, anchor pole will corrode.Cause
This, a kind of reliable isolation underground water of exploitation and the soil body and the repeatable casing bit utilized, and combine casing pipe protection and slip casting
The anchor pole anticorrosion construction method of protection a little becomes urgent problem to be solved.
Utility model content
It is a kind of for anchor pole corrosion-resistant set the purpose of the utility model is to overcome in place of the deficiencies in the prior art, providing
Pipe device, solve in above-mentioned background technology anchor pole corrosion-resistant effect is poor, protective device it is not reproducible use, environmental pollution is big,
The problems such as construction cost is high.
Technical solution adopted by the utility model to solve its technical problems is：It provides a kind of for anchor pole corrosion-resistant set
Pipe device, including big casing, small casing and link assembly；
The small casing caliber is more than bolt diameter, is sheathed on anchor pole periphery, shape between the inner wall and anchor pole of the small casing
At injected hole；
The big casing be sheathed on small casing periphery, and with small casing axle center having the same, the outer wall of the small casing
Note antiseepage fluid apertures is formed between the inner wall of big casing；
The link assembly includes several connecting rods, and using small casing central shaft as axle center, helically formula arrangement is set the connecting rod
It is placed in note antiseepage fluid apertures；The both ends of the connecting rod are fixedly connected with the inner wall of the outer wall of small casing and big casing respectively, and length
Equal to the distance between the outer wall of small casing and the inner wall of big casing；It is in 120 ° of angles between the projection of the adjacent links.
In one preferred embodiment of the utility model, the big casing is hollow cylinder structure.
In one preferred embodiment of the utility model, the small casing is hollow cylinder structure.
In one preferred embodiment of the utility model, the connecting rod is cylinder.
In one preferred embodiment of the utility model, cement mortar is filled in the injected hole.
In one preferred embodiment of the utility model, seepage-proof liquid, the seepage-proof liquid packet are filled in the note antiseepage fluid apertures
Include TEOS-PDMS hydridization glues.
Compared with the background art, it has the following advantages that the technical program：
1. the design of bilayer sleeve, big casing is for detaching seepage-proof liquid with the soil body (rock)；Small casing is used for cement
The separation of mortar and seepage-proof liquid uniformly adheres to the surface of cement mortar, to improve with the extraction seepage-proof liquid of casing bit
The air-tightness of cement mortar, further reduced the infiltration of underground water, reaches good anticorrosion ability；
2. casing bit is not embedded to the soil body together with anchor pole, the cost of construction is reduced so that casing bit can be more
Secondary reuse, it is environmentally safe；
3. the connecting rod, using small casing central shaft as axle center, helically formula is arranged in note antiseepage fluid apertures；It is described adjacent
It is in 120 ° of angles between the projection of connecting rod, the arrangement mode of the connecting rod can increase the stabilization connected between big casing and small casing
Property, make the two be not easy；Meanwhile connecting rod can be stirred seepage-proof liquid when extracting casing bit, keep glue more equal
Adhere to the surface of cement mortar evenly.
4. it is simple using the utility model progress anchor pole corrosion-resistant form of construction work, it is at low cost, it is efficient.
Description of the drawings
Fig. 1 is the utility model casing bit structural schematic diagram.
Fig. 2 is the utility model casing bit cross-sectional structure schematic diagram.
Fig. 3 is the utility model casing bit sectional view.
Specific implementation mode
The content of the utility model is illustrated below in conjunction with the accompanying drawings：
Fig. 1-3 is please referred to, one kind being used for 6 corrosion-resistant casing bit of anchor pole, including 3 groups of big casing 1, small casing 2 and connecting rod
Part；Big casing 1 is hollow cylindrical structure, for detaching seepage-proof liquid with the soil body (rock)；Small casing 2 is hollow cylinder
Structure is used for the separation of cement mortar and seepage-proof liquid；Connecting rod 3, be cylindrical structure, for connect and support big casing 1 with it is small
Casing 2.
2 caliber of the small casing is more than 6 diameter of anchor pole, is sheathed on 6 periphery of anchor pole, the inner wall and anchor pole 6 of the small casing 2
Between formed injected hole 5；Cement mortar is filled in the injected hole 5.
The big casing 1 is sheathed on the periphery of small casing 2, and with 2 axle center having the same of small casing, the small casing 2
Note antiseepage fluid apertures 4 is formed between outer wall and the inner wall of big casing 1；Seepage-proof liquid, the seepage-proof liquid are filled in the note antiseepage fluid apertures 4
Including TEOS-PDMS hydridization glues, the seepage-proof liquid has good tensile strength, ultimate elongation.
The link assembly includes several connecting rods 3, and the connecting rod 3 is using 2 central shaft of small casing as axle center, and helically formula arranges
It is set to note antiseepage fluid apertures 4；The both ends of the connecting rod 3 are fixedly connected with the inner wall of the outer wall of small casing 2 and big casing 1 respectively,
And length is equal to the distance between the outer wall and the inner wall of big casing 1 of small casing 2；In 120 ° of folders between the projection of the adjacent links 3
Angle, the arrangement mode of the connecting rod 3 can increase the stability connected between big casing 1 and small casing 2, and the two is made to be not easy；
Meanwhile connecting rod 3 can be stirred seepage-proof liquid when extracting casing bit, and glue is made equably to adhere to the surface of cement mortar
To improve the air-tightness of cement mortar, the infiltration of underground water is reduced, reaches good anticorrosion ability.
Using a kind of 6 anticorrosion construction method of anchor pole of above-mentioned casing bit, include the following steps：
(1) pore-creating：The drill bit that diameter is more than 1 diameter of big casing is selected to drill need to be arranged at anchor pole 6；
(2) anchor pole 6 is installed：Anchor pole 6 is put into the hole that step (1) is drilled, end is anchored；
(3) casing bit is set：Described sleeve pipe device includes big casing 1, small casing 2 and link assembly；The small casing 2
Caliber is more than 6 diameter of anchor pole, is sheathed on 6 periphery of anchor pole, forms injected hole 5 between the inner wall and anchor pole 6 of the small casing 2；It is described
Big casing 1 is sheathed on 2 periphery of small casing, and with 2 axle center having the same of small casing, the outer wall of the small casing 2 and big casing 1
Inner wall between form note antiseepage fluid apertures 4；The link assembly includes several connecting rods 3, and the connecting rod 3 is with 2 central shaft of small casing
Axle center, helically formula be arranged in note antiseepage fluid apertures 4；The both ends of the connecting rod 3 respectively with the outer wall of small casing 2 and big casing
1 inner wall is fixedly connected, and length is equal to the distance between the outer wall and the inner wall of big casing 1 of small casing 2；The adjacent links 3
Projection between be in 120 ° of angles；
Casing bit is sheathed on anchor pole 6, and is transferred into hole；
(4) fluid injection：Simultaneously cement mortar and seepage-proof liquid, the antiseepage are injected separately into injected hole 5 and note antiseepage fluid apertures 4
Liquid such as TEOS-PDMS hydridization glue.When cement mortar and seepage-proof liquid reach 6 end of anchor pole, slowly casing bit is pulled out
Go out, keeps fluid injection height to be more than casing bit bottom level, and be less than casing bit overhead height, until cement mortar and seepage-proof liquid
Stop fluid injection when reaching specified altitude assignment；
Seepage-proof liquid is separated with cement mortar in early period by big casing 1 and the separation of small casing 2, with casing bit
The surface that extraction seepage-proof liquid is uniformly adhered to cement mortar reduces underground water to ensure that the air-tightness of cement mortar
Infiltration, solve 6 corrosion problems of anchor pole.
(5) anchorage installation：After casing bit is extracted completely, stretching anchor rod 6 to design strength carries out anchorage installation.
In 6 corrosion-resistant work progress of anchor pole, the advantage of the utility model casing bit is selected to be that consumptive material is few, anticorrosive property
Effect is good, mechanized operation, and the construction period is short；Also, in work progress, casing bit is not embedded to the soil body together with anchor pole 6,
The cost of construction is reduced, casing bit can repeatedly use, environmentally safe.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited according to this
It is new all should still to belong to this practicality that is, according to equivalent changes and modifications made by the utility model patent range and description for range
In the range of type covers.
Claims (6)
1. one kind being used for anchor pole corrosion-resistant casing bit, it is characterised in that：Including big casing, small casing and link assembly；
The small casing caliber is more than bolt diameter, is sheathed on anchor pole periphery, forms note between the inner wall and anchor pole of the small casing
Starch hole；
The big casing is sheathed on small casing periphery, and with small casing axle center having the same, the outer wall of the small casing and big
Note antiseepage fluid apertures is formed between the inner wall of casing；
The link assembly includes several connecting rods, the connecting rod using small casing central shaft as axle center, helically formula be arranged in
Note antiseepage fluid apertures；The both ends of the connecting rod are fixedly connected with the inner wall of the outer wall of small casing and big casing respectively, and length is equal to
Distance between the outer wall of small casing and the inner wall of big casing；It is in 120 ° of angles between the projection of the adjacent links.
2. according to claim 1 a kind of for anchor pole corrosion-resistant casing bit, it is characterised in that：The big casing is sky
Heart cylindrical structure.
3. according to claim 1 a kind of for anchor pole corrosion-resistant casing bit, it is characterised in that：The small casing is sky
Heart cylindrical structure.
4. according to claim 1 a kind of for anchor pole corrosion-resistant casing bit, it is characterised in that：The connecting rod is cylinder
Body.
5. according to claim 1 a kind of for anchor pole corrosion-resistant casing bit, it is characterised in that：It is filled out in the injected hole
Filled with cement mortar.
6. according to claim 1 a kind of for anchor pole corrosion-resistant casing bit, it is characterised in that：The note antiseepage fluid apertures
In be filled with seepage-proof liquid, the seepage-proof liquid includes TEOS-PDMS hydridization glues.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651160.8U CN207672576U (en) | 2017-12-01 | 2017-12-01 | One kind being used for anchor pole corrosion-resistant casing bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651160.8U CN207672576U (en) | 2017-12-01 | 2017-12-01 | One kind being used for anchor pole corrosion-resistant casing bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207672576U true CN207672576U (en) | 2018-07-31 |
Family
ID=62967084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721651160.8U Active CN207672576U (en) | 2017-12-01 | 2017-12-01 | One kind being used for anchor pole corrosion-resistant casing bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207672576U (en) |
-
2017
- 2017-12-01 CN CN201721651160.8U patent/CN207672576U/en active Active
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