CN214741206U - Plugging device for pressure-bearing water drilling - Google Patents
Plugging device for pressure-bearing water drilling Download PDFInfo
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- CN214741206U CN214741206U CN202120011138.7U CN202120011138U CN214741206U CN 214741206 U CN214741206 U CN 214741206U CN 202120011138 U CN202120011138 U CN 202120011138U CN 214741206 U CN214741206 U CN 214741206U
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Abstract
The utility model provides a plugging device for drilling holes in confined water, including the pressure-bearing base, the lateral wall and the bushing of pressure-bearing base, the detachable stress pole of downward fixed connection in pressure-bearing base middle part, the lower tip and the pole head of stress pole are connected, and the pole head is lower part back taper, upper portion round platform shape setting, the sleeve pipe lower part has many inflation splits, through inflation splits the sleeve pipe is whole to be upper portion an organic whole, the separation of lower part multilobe and the structural style that can be propped open, the maximum diameter of pole head is greater than the sheathed tube internal diameter, the inner wall of sleeve pipe lower part sets up first seal structure, and the upper portion round platform shape surface of pole head sets up the second seal structure, first seal structure and second seal structure closely laminate when the sleeve pipe lower part struts, seal the sleeve pipe lower extreme; the plugging device has the advantages of convenience in construction, good durability, obvious plugging effect and repeated use of multiple parts.
Description
Technical Field
The utility model relates to a civil engineering technical field, concretely relates to plugging device of artesian water drilling.
Background
The confined water is groundwater that fills the aquifer between the two water barriers. The formation of the confined water is closely related to the geological structure, and the confined water can be formed only by the proper geological structure, whether loose sediments or bedrocks. The geological formations most suitable for confined water formation are syncline formations and monoclinic formations. If the borehole touches the layer of pressurized water during drilling, the pressurized water may gush out of the hole as the drill pipe is pulled out. If the treatment is improper or not timely, the confined water can gradually scour the soil layer to form a new leakage channel, so that the ground surface collapses and the foundation surface is unevenly settled. In actual engineering, a method of piling sandbags or cement slurry grouting is often adopted for plugging, but under the condition of continuous flushing of confined water, the plugging effect of the method is poor. The plugging device for drilling holes with confined water can effectively plug the confined water, and becomes a big difficulty for design engineers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plugging device of artesian water drilling has that construction convenience, durability are good, and the shutoff effect is obvious, the advantage of the bad use of a plurality of parts repeatable cycle.
Therefore, the utility model adopts the following technical scheme:
the utility model provides a plugging device of artesian water drilling which characterized in that: the pressure-bearing sleeve comprises a pressure-bearing base, wherein the side wall of the pressure-bearing base is connected with a sleeve, the middle part of the pressure-bearing base is downwards fixedly connected with a detachable stress rod, the lower end part of the stress rod is connected with a rod head, the rod head is in an inverted cone shape at the lower part and is arranged in a round platform shape at the upper part, the lower part of the sleeve is provided with a plurality of expansion cracks, the sleeve is integrally in an upper-integrated structure and in a multi-petal separation at the lower part and can be propped open through the expansion cracks, the maximum diameter of the rod head is larger than the inner diameter of the sleeve, the inner wall of the lower part of the sleeve is provided with a first sealing structure, the outer surface of the round platform shape at the upper part of the rod head is provided with a second sealing structure, and the first sealing structure and the second sealing structure are tightly attached to seal the lower end of the sleeve when the lower part of the sleeve is propped open.
Further: the inner wall of the pressure-bearing base is connected with the outer wall of the sleeve and is fixed through a horizontal fixing bolt.
Further: the stress rod is formed by connecting a plurality of detachable short rods in sequence, two adjacent short rods are connected in a threaded connection mode, and the end part of the short rod at the lowest part is connected with the rod head.
Further: the position that the outer wall of the sleeve pipe is close to the pressure-bearing base is provided with a fixing ring, and the side wall of the sleeve pipe is provided with a water outlet hole.
Further: and tension hooks are arranged on two sides of the pressure-bearing base.
Further: the inner wall of the lower part of the sleeve is provided with a first water stop rubber belt, and the outer surface of the rod head is provided with a second water stop rubber belt.
Further: the stress rod is fixedly connected with the pressure-bearing base through a vertical fixing bolt.
Further: the lower end of the sleeve is provided with an outward arc bending part, and the outer wall of the lower part of the sleeve is provided with a plurality of sawteeth.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses compare with the plugging device of traditional confined water drilling, it is good to have construction convenience, durability, and the shutoff effect is obvious, the advantage of the bad use of a plurality of parts repeatable cycle to can effectively restrain the gushing of confined water. The utility model discloses the shutoff in earlier stage is accomplished the back, and cement mortar is backfilled to the accessible, and drilling of thorough shutoff confined water.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a construction flow chart of the present invention.
The labels in the figures are: 1-a sleeve; 2-a pressure-bearing base; 3-a stress bar; 4-a club head; 5-inflation split; 6-fixing the bolt horizontally; 7-short bar; 8-fixing the ring; 9-water outlet; 10-a tension hook; 11-a first water-stop rubber belt; 12-a second water-stop rubber belt; 13-vertical fixing bolts; 14-arc bending part; 15-saw teeth; 16-cement mortar.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
As shown in fig. 1-3, the utility model provides a plugging device for drilling hole with bearing water, including bearing base 2, bearing base 2 has top and the section of thick bamboo portion of being connected with the top, and the lateral wall of bearing base 2 is connected with sleeve pipe 1, and bearing base 2 middle part is fixed connection detachable stress pole 3 downwards, and the lower tip of stress pole 3 is connected with pole head 4, and pole head 4 is the lower part back taper, the setting of upper portion round platform shape, sleeve pipe 1 lower part has many inflation splits 5, through inflation splits 5 sleeve pipe 1 wholly is upper portion an organic whole, the lower part is the structure form that the bivalve separates and can be strutted, inflation splits 5 have four for sleeve pipe 1 lower part is four lamella, inflation splits 5 circumference evenly sets up, the maximum diameter of pole head 4 is greater than sleeve pipe 1's internal diameter, sleeve pipe 1 lower part's inner wall sets up first seal structure, and a second sealing structure is arranged on the outer surface of the upper circular truncated cone of the rod head 4, and the first sealing structure and the second sealing structure are tightly attached when the lower part of the sleeve 1 is expanded, so that the lower end of the sleeve is sealed.
The inner wall of the pressure-bearing base 2 is connected with the outer wall of the sleeve 1 and is fixed through a plurality of horizontal fixing bolts 6.
The stress rod 3 is formed by connecting a plurality of detachable short rods 7 in sequence, two adjacent short rods 7 are connected in a threaded connection mode, and the end part of the short rod 7 at the lowest part is mechanically connected with the rod head 4.
The position that 1 outer wall of sleeve pipe is close to pressure-bearing base 2 sets up solid fixed ring 8 for being fixed in the ground surface with sleeve pipe 1 in the work progress, gu fixed ring 8's diameter is greater than the diameter of drilling, plays limiting displacement, and the hole 9 that goes out is seted up to 1 lateral wall of sleeve pipe, and the hole 9 sets up two, and the apopore 9 sets up on the solid fixed ring 8's of 1 lateral wall of sleeve pipe upper portion, as the main drainage channel of plugging device construction period.
The two sides of the pressure-bearing base 2 are provided with tension hooks 10, and the tension hooks 10 are mainly used when the stress rod 3 is pulled back after the plugging device is pressed into a specified depth.
The inner wall of 1 lower part of sleeve pipe sets up first stagnant water rubber area 11, and first stagnant water rubber area 11 is first seal structure, 4 surfaces of pole head set up second stagnant water rubber area 12, and second stagnant water rubber area 12 is second seal structure, and first stagnant water rubber area 11 and second stagnant water rubber area 12 are at the in-process in close contact with that draws back of pressure-bearing base 2, prevent that confined water from leaking through the gap between sleeve pipe 1 inner wall and the pole head 4.
The stress rod 3 is fixedly connected with the pressure-bearing base 2 through a vertical fixing bolt 13.
The lower end of the sleeve 1 is provided with an outward arc bending part 14, the arc bending part 14 is used for preventing the rod head 4 from being clamped by the sleeve 1 when being pulled back and moved up, the outer wall of the lower part of the sleeve 1 is provided with a plurality of sawteeth 15, and the sawteeth 15 are used for increasing the friction between the outer wall of the sleeve 1 and bedrock.
The plugging construction method of the plugging device adopting the confined water drill hole is further described in detail as follows:
firstly, a sleeve 1, a pressure-bearing base 2 and a rod head 4 with proper sizes are selected according to the aperture of a pressure-bearing water drilling hole and are installed, a certain gap is reserved between the rod head 4 and the sleeve 1 during installation, and the gap is a main water passing channel in the initial construction stage. The construction steps of plugging by adopting the plugging device for drilling holes by confined water are as follows:
s1: applying force to the pressure-bearing base 2, slowly pressing the plugging device into the pressure-bearing water drill hole, and timely pumping and draining pressure-bearing water overflowing from the drain hole in the upper part of the sleeve 1 in the pressing process;
s2: when the plugging device is pressed to a specified depth, the sleeve 1 and the surface of the foundation are fixed through a fixing ring 8 of the sleeve 1, and a horizontal fixing bolt 6 between the sleeve 1 and the pressure-bearing base 2 is dismounted;
s3: the pressure-bearing base 2 is pulled back through the tension hook 10, the stress rod 3 and the rod head 4 are simultaneously driven to be pulled back together, the rod head 4 extrudes the inner wall of the sleeve 1 to prop open the lower part of the sleeve 1 in the process of pulling back the rod head 4, and the second water-stop rubber belt 12 of the rod head 4 is in close contact with the water-stop rubber belt on the inner surface of the sleeve 1 in the extrusion process;
s4: when the water outlet hole 9 has obviously reduced water, stopping pulling back, pumping and draining the residual accumulated water in the plugging device, and pouring cement mortar 16;
s5: and after the cement mortar 16 is condensed, the bearing base 2 and the redundant stressed short rods 7 are removed, and the bearing water drilling plugging is completed. The pressure bearing base 2 and the redundant stress short rods 7 can be removed and used in the next plugging device, so that the device can be recycled, and the cost is saved.
The above embodiments are merely preferred technical solutions of the present invention, and it should be understood by those skilled in the art that modifications or substitutions of technical solutions or parameters in the embodiments can be made without departing from the principles and essential conditions of the present invention, and all the modifications or substitutions should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a plugging device of artesian water drilling which characterized in that: the pressure-bearing sleeve comprises a pressure-bearing base, wherein the side wall of the pressure-bearing base is connected with a sleeve, the middle part of the pressure-bearing base is downwards fixedly connected with a detachable stress rod, the lower end part of the stress rod is connected with a rod head, the rod head is in an inverted cone shape at the lower part and is arranged in a round platform shape at the upper part, the lower part of the sleeve is provided with a plurality of expansion cracks, the sleeve is integrally in an upper-integrated structure and in a multi-petal separation at the lower part and can be propped open through the expansion cracks, the maximum diameter of the rod head is larger than the inner diameter of the sleeve, the inner wall of the lower part of the sleeve is provided with a first sealing structure, the outer surface of the round platform shape at the upper part of the rod head is provided with a second sealing structure, and the first sealing structure and the second sealing structure are tightly attached to seal the lower end of the sleeve when the lower part of the sleeve is propped open.
2. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: the inner wall of the pressure-bearing base is connected with the outer wall of the sleeve and is fixed through a horizontal fixing bolt.
3. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: the stress rod is formed by connecting a plurality of detachable short rods in sequence, two adjacent short rods are connected in a threaded connection mode, and the end part of the short rod at the lowest part is connected with the rod head.
4. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: the position that the outer wall of the sleeve pipe is close to the pressure-bearing base is provided with a fixing ring, and the side wall of the sleeve pipe is provided with a water outlet hole.
5. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: and tension hooks are arranged on two sides of the pressure-bearing base.
6. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: the inner wall of the lower part of the sleeve is provided with a first water stop rubber belt, and the outer surface of the rod head is provided with a second water stop rubber belt.
7. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: the stress rod is fixedly connected with the pressure-bearing base through a vertical fixing bolt.
8. The plugging device for the pressure-bearing water drill hole according to claim 1, characterized in that: the lower end of the sleeve is provided with an outward arc bending part, and the outer wall of the lower part of the sleeve is provided with a plurality of sawteeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120011138.7U CN214741206U (en) | 2021-01-05 | 2021-01-05 | Plugging device for pressure-bearing water drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120011138.7U CN214741206U (en) | 2021-01-05 | 2021-01-05 | Plugging device for pressure-bearing water drilling |
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| Publication Number | Publication Date |
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| CN214741206U true CN214741206U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120011138.7U Active CN214741206U (en) | 2021-01-05 | 2021-01-05 | Plugging device for pressure-bearing water drilling |
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| CN (1) | CN214741206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814608A (en) * | 2021-01-05 | 2021-05-18 | 中国电建集团华东勘测设计研究院有限公司 | Plugging device for confined water drilling hole and plugging construction method |
| CN114482106A (en) * | 2022-02-10 | 2022-05-13 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Water gushing plugging device for basic geological exploration hole |
-
2021
- 2021-01-05 CN CN202120011138.7U patent/CN214741206U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814608A (en) * | 2021-01-05 | 2021-05-18 | 中国电建集团华东勘测设计研究院有限公司 | Plugging device for confined water drilling hole and plugging construction method |
| CN114482106A (en) * | 2022-02-10 | 2022-05-13 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Water gushing plugging device for basic geological exploration hole |
| CN114482106B (en) * | 2022-02-10 | 2024-03-08 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Basic geology reconnaissance Kong Chongshui plugging device |
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