CN205116158U - Can prevent interlock concrete drilling bored concrete pile of steel reinforcement cage come -up - Google Patents
Can prevent interlock concrete drilling bored concrete pile of steel reinforcement cage come -up Download PDFInfo
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- CN205116158U CN205116158U CN201520978864.0U CN201520978864U CN205116158U CN 205116158 U CN205116158 U CN 205116158U CN 201520978864 U CN201520978864 U CN 201520978864U CN 205116158 U CN205116158 U CN 205116158U
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Abstract
The utility model discloses a can prevent interlock concrete drilling bored concrete pile of steel reinforcement cage come -up, including the stake of A type and the type B stake of interval arrangement, the stake of A type is the plain stake of nos steel reinforcement cage, the concrete pile of type B stake for there being the steel reinforcement cage, and the upper end of type B stake is equipped with pluggablely prevents floating the device, is equipped with the draw -in groove in preventing floating the device, built -in spring and the end cap of being equipped with of draw -in groove, the external diameter of the last cylinder of end cap is lighter than the bore diameter who prevents superficial device, and the external diameter of lower prop is greater than the bore diameter who prevents superficial device, is lighter than the diameter of draw -in groove. The utility model discloses simple structure prevents floating the device through the type B stake setting there being the steel reinforcement cage, can prevent effectively that the steel reinforcement cage from floating under mud buoyancy and the ascending frictional force effect of concrete, has simplified the construction process, has guaranteed construction quality.
Description
Technical field
The utility model relates to a kind of building unit, particularly relate to a kind of can the occlusion pump-grouting concrete of anti-rising of steel cage.
Background technology
Occlusion pump-grouting concrete utilizes super slow concrete property, adopt high-precision all casing drill by the special pile-type of the one of specialized processes pore-forming, pile, by being engaged overlap joint between stake with stake, continuous campshed space enclosing structure or underground impervious wall that gear soil intercepts water can be formed.The deep footing groove enclosing structure pattern of occlusion pump-grouting concrete and routine is as compared with diaphragm wall, hole digging pile, vertical precision is high, good water-proof effect is engaged between each stake, can accomplish without drilling mud practice during pore-forming, and can ensure without collapsing hole, vibrate little, be easy to civilized construction, control pile quality, ensure safety, reduce the impact on surrounding enviroment.
Existing occlusion pump-grouting concrete, in concrete perfusion process, fixes reinforcing cage owing to lacking effective mode, easily causes reinforcing cage at mud buoyancy and concrete frictional force effect float downward upwards.In order to prevent the appearance of floating situation, in concreting process, control depth of tremie, duty subtracts pipe, and conduit will be avoided when tube drawing to touch reinforcing cage.These measures often by virtue of experience control, and different operating personnel are under different external condition, and construction quality is difficult to ensure.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, provide a kind of can the occlusion pump-grouting concrete of anti-rising of steel cage, effectively can prevent the appearance of rising of steel cage situation.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of occlusion pump-grouting concrete, comprise the stake of spaced A type and Type B stake, the stake of described A type is the plain stake of no-reinforcing-bar cage, described Type B stake is for there being the concrete pile of reinforcing cage, the upper end of described Type B stake is provided with pluggable anti-floating device, the overall big up and small down notch cuttype pipe structure of described anti-floating device, and the external diameter of lower tube body is slightly less than the diameter of bore of Type B stake, internal diameter is less than the internal diameter of reinforcing cage in Type B stake, cylindricality draw-in groove is offered in the middle part of the inside wall of described lower tube body, the plug of spring and side provided thereon is equiped with in described draw-in groove, the external diameter of described spring is slightly less than the diameter of draw-in groove, described plug is up-small and down-big notch cuttype column structure, and the external diameter of column body is less than the diameter of bore of anti-floating device, the external diameter of lower prop is greater than the diameter of bore of anti-floating device, be less than the diameter of draw-in groove.
Further, the outside that the described anti-upper tube body floating device is positioned at Type B stake evenly offers four fixing holes.
Further, height when described spring is not stressed and the height of lower prop and equal the degree of depth of draw-in groove.
Further, described anti-floating device and plug are all made up of stainless steel material.
Further, described spring is carbon spring steel, and surface is covered with erosion shield.
The beneficial effects of the utility model are:
The utility model structure is simple, by there being the Type B stake of reinforcing cage to arrange anti-floating device, reinforcing cage effectively can being prevented at mud buoyancy and concrete frictional force effect float downward upwards, simplify working procedure, ensure that construction quality.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of Type B stake in the utility model;
Fig. 2 is the internal construction schematic diagram of Type B stake in the utility model;
Fig. 3 is the partial sectional view of Fig. 1 along A-A.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Described in the present embodiment can the occlusion pump-grouting concrete of anti-rising of steel cage, as shown in Figures 1 to 3, comprise the stake of spaced A type and Type B stake 1, the stake of described A type is the plain stake of no-reinforcing-bar cage, described Type B stake 1 is for there being the concrete pile of reinforcing cage 2, and the upper end of described Type B stake 1 is provided with pluggable anti-floating device 3.
The overall big up and small down notch cuttype pipe structure of described anti-floating device 3, the outside that described upper tube body 31 is positioned at Type B stake 1 evenly offers four fixing holes 32, the external diameter of described lower tube body 33 is slightly less than the diameter of bore of Type B stake 1, and internal diameter is less than the internal diameter of reinforcing cage 2 in Type B stake 1.
Further, cylindricality draw-in groove 4 is offered in the middle part of the inside wall of described lower tube body 33, the plug 6 of spring 5 and side provided thereon is equiped with in described draw-in groove 4, described spring 5 is carbon spring steel, surface is covered with erosion shield, its external diameter is slightly less than the diameter of draw-in groove 4, described plug 6 is all made up of stainless steel material with anti-floating device 3, it is overall in up-small and down-big notch cuttype column structure, and the external diameter of column body 61 is less than the diameter of bore of anti-floating device 3, the external diameter of lower prop 62 is greater than the diameter of bore of anti-floating device 3, be less than the diameter of draw-in groove 4, height when described spring 5 is not stressed and the height of lower prop 62 and equal the degree of depth of draw-in groove 4.
The operating principle of the present embodiment is:
In construction, the construction of Type B stake 1 must be completed before the initial set of A type pile concrete, therefore require that the stake of A type uses ultra-retardation concrete, and the stake of A type and Type B stake 1 speed of application all will as quickly as possible, to reach effective occlusion of two profiles formula stake.
After removing Type B stake 1, at the bottom of inspection eye, install reinforcing cage 2, insert anti-floating device 3 again and fix upper tube body 31 by fixing hole 32, last fluid concrete, under slurry pressure effect, can promote the downward Compress Spring of plug 6 and produce displacement, concrete flows into downwards from interporal lacuna in column body 61 and Type B stake 1; Reinforcing cage 2 has floating trend under mud buoyancy and concrete frictional force effect upwards, but cannot be floated by preventing the lower tube body 33 of floating device 3 to prop up in its upper end; When the concrete poured into a mould is expired soon, under slurry pressure effect, plug 6 can be promoted and move up and the endoporus blocking anti-floating device 3, stop cast.When concrete initial set or when fixing with reinforcing cage 2, shift out the fixture in fixing hole 32, take out anti-floating device 3, carry out next operation.Anti-floating device 3 internal construction is not fragile, and easy cleaning, is suitable for recycling.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. one kind can the occlusion pump-grouting concrete of anti-rising of steel cage, comprise the stake of spaced A type and Type B stake (1), the stake of described A type is the plain stake of no-reinforcing-bar cage, described Type B stake (1) is for there being the concrete pile of reinforcing cage (2), it is characterized in that: the upper end of described Type B stake (1) is provided with pluggable anti-floating device (3), the overall big up and small down notch cuttype pipe structure of described anti-floating device (3), and the external diameter of lower tube body (33) is slightly less than the diameter of bore of Type B stake (1), internal diameter is less than the internal diameter of Type B stake (1) interior reinforcing cage (2), cylindricality draw-in groove (4) is offered in the middle part of the inside wall of described lower tube body (33), the plug (6) of spring (5) and side provided thereon is equiped with in described draw-in groove (4), the external diameter of described spring (5) is slightly less than the diameter of draw-in groove (4), described plug (6) is in up-small and down-big notch cuttype column structure, and the external diameter of column body (61) is less than the diameter of bore of anti-floating device (3), the external diameter of lower prop (62) is greater than the diameter of bore of anti-floating device (3), be less than the diameter of draw-in groove (4).
2. according to claim 1 can the occlusion pump-grouting concrete of anti-rising of steel cage, it is characterized in that: the outside that the upper tube body (31) of described anti-floating device (3) is positioned at Type B stake (1) evenly offers four fixing holes (32).
3. according to claim 1 can the occlusion pump-grouting concrete of anti-rising of steel cage, it is characterized in that: the height of height when described spring (5) is not stressed and lower prop (62) and equal the degree of depth of draw-in groove (4).
4. according to claim 1 can the occlusion pump-grouting concrete of anti-rising of steel cage, it is characterized in that: described anti-floating device (3) and plug (6) are all made up of stainless steel material.
5. according to claim 1 can the occlusion pump-grouting concrete of anti-rising of steel cage, it is characterized in that: described spring (5) is carbon spring steel, and surface is covered with erosion shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978864.0U CN205116158U (en) | 2015-11-30 | 2015-11-30 | Can prevent interlock concrete drilling bored concrete pile of steel reinforcement cage come -up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978864.0U CN205116158U (en) | 2015-11-30 | 2015-11-30 | Can prevent interlock concrete drilling bored concrete pile of steel reinforcement cage come -up |
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| CN205116158U true CN205116158U (en) | 2016-03-30 |
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| CN201520978864.0U Active CN205116158U (en) | 2015-11-30 | 2015-11-30 | Can prevent interlock concrete drilling bored concrete pile of steel reinforcement cage come -up |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149684A (en) * | 2016-06-23 | 2016-11-23 | 上海腾尚基础工程有限公司 | A kind of full-sleeve long screw auger drilling deposited pile construction method |
| CN111622213A (en) * | 2020-05-26 | 2020-09-04 | 中国十七冶集团有限公司 | Bored concrete pile positioner |
-
2015
- 2015-11-30 CN CN201520978864.0U patent/CN205116158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149684A (en) * | 2016-06-23 | 2016-11-23 | 上海腾尚基础工程有限公司 | A kind of full-sleeve long screw auger drilling deposited pile construction method |
| CN111622213A (en) * | 2020-05-26 | 2020-09-04 | 中国十七冶集团有限公司 | Bored concrete pile positioner |
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