CN219825185U - Pressure relief structure for karst collapse treatment - Google Patents
Pressure relief structure for karst collapse treatment Download PDFInfo
- Publication number
- CN219825185U CN219825185U CN202321289665.XU CN202321289665U CN219825185U CN 219825185 U CN219825185 U CN 219825185U CN 202321289665 U CN202321289665 U CN 202321289665U CN 219825185 U CN219825185 U CN 219825185U
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- CN
- China
- Prior art keywords
- outer tube
- karst
- pressure relief
- top surface
- roof
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000013049 sediment Substances 0.000 abstract description 12
- 239000002689 soil Substances 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 206010027339 Menstruation irregular Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a pressure relief structure for karst collapse treatment, which comprises an outer tube with an opening on the top surface and a closed bottom surface, wherein the outer tube consists of an upper outer tube section, a middle outer tube section and a lower outer tube section, the upper outer tube section is positioned in a karst roof, the top surface of the upper outer tube section is flush with or higher than the top surface of the karst roof, the middle outer tube section is positioned in a karst cavity, the tube wall of the middle outer tube section is provided with a plurality of pressure relief holes, the lower outer tube section is positioned in the karst cavity or below a karst water line, a deslagging inner tube with the opening on the top surface is arranged in the lower outer tube section, the outer wall of the deslagging inner tube is clung to the inner wall of the lower outer tube section, a lifting rope is connected to the deslagging inner tube, and the other end of the lifting rope is connected to the upper part of the karst roof; the pressure relief structure realizes the balance of the karst cavity and the external air pressure by arranging the outer tube with the pressure relief hole, so that the absorption acting force to the overlying rock soil body can be prevented when the karst descends under the water, sediment entering the outer tube from the pressure relief hole is collected through the deslagging inner net, and the outer tube is prevented from being blocked by the sediment and losing the pressure relief capability.
Description
Technical Field
The utility model relates to the technical field of karst collapse treatment, in particular to a pressure relief structure for karst collapse treatment.
Background
The karst structure is generally composed of an upper sediment (karst roof), a middle karst cave (karst cavity) and lower groundwater, wherein the boundary between the upper sediment and the karst cavity is a karst cavity boundary, and the water level of the groundwater is a karst water level; karst collapse is a solid, liquid and gas three-phase mechanical balance system consisting of overlying sediments, karst caves and underground water, the underground water level fluctuation reaches a certain amplitude, the balance is destroyed, and the overlying loose sediments suddenly collapse to form collapse. The research and study show that the karst collapse is related to the underground water descent of the karst, and in a relatively closed karst cavity, the descent of the underground water of the karst can generate strong adsorption force on an overlying rock-soil body, so that the overlying rock-soil body is continuously eroded and peeled off, and finally the karst collapse is caused.
Disclosure of Invention
In view of the above, the present utility model aims to provide a pressure relief structure for karst collapse control, which can prevent the adsorption force to the overlying rock mass when the karst descends under water.
The utility model aims at realizing the following technical scheme:
the utility model provides a release structure for karst is collapsed and is administered, includes top surface opening, bottom surface confined outer tube, the outer tube comprises outer tube upper segment, outer tube middle section and outer tube hypomere, outer tube upper segment is located the karst roof and its top surface and karst roof top surface parallel and level or be higher than the karst roof top surface, outer tube middle section is located the karst cavity and its pipe wall is equipped with a plurality of pressure release holes, outer tube hypomere is located the karst cavity or below the karst water line, be equipped with top surface open-ended slagging-off intranet in the outer tube hypomere, the outer wall of slagging-off intranet is hugged closely outer tube hypomere inner wall, be connected with the lifting rope on the slagging-off intranet, the lifting rope other end is connected to karst roof top.
Further, be connected with the counter weight base under the interior deslagging intranet of outer tube hypomere.
Further, counter weight base and slagging-off intranet threaded connection.
Further, a door type frame is arranged on the karst top plate, an electric hoist is arranged on the door type frame, and the lifting rope is connected to a lifting hook of the electric hoist.
Furthermore, a plurality of pressure relief holes on the middle pipe wall of the outer pipe are spirally arranged.
Still further, the outer tube diameter is 110mm.
The beneficial effects of the utility model are as follows:
according to the pressure relief structure for karst collapse treatment, the outer pipe with the pressure relief holes is arranged to balance the karst cavity with the external air pressure, so that the adsorption acting force on an overlying rock-soil body can be prevented when the karst descends under water, sediment entering the outer pipe from the pressure relief holes is collected through the deslagging inner net, and the outer pipe is prevented from being blocked by the sediment and losing the pressure relief capability.
The counterweight base is convenient for the deslagging inner net to sink into the bottommost part of the outer tube smoothly.
The electric hoist is convenient for taking out the deslagging intranet to remove sediment in the deslagging intranet.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a sectional view showing a state of use of the present utility model.
Fig. 2 is a front perspective view of the present utility model.
Fig. 3 is a front view of the present utility model.
Fig. 4 is a front view of an inner net for lifting and deslagging of an electric hoist in the utility model.
In the figure: outer tube 1, deslagging intranet 2, portal frame 3, electric hoist 4, karst roof 5, karst cavity 6, karst water line 7, release hole 101, karst cavity boundary 102, outer tube upper segment 103, outer tube middle section 104, outer tube lower segment 105, counter weight base 201, lifting rope 202.
Detailed Description
Hereinafter, preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
1-4, a pressure relief structure for karst collapse treatment is shown in fig. 1-4, the main body is an outer tube 1 with an opening on the top surface and a closed bottom surface, the tube diameter of the outer tube 1 is 110mm, the outer tube 1 is composed of an outer tube upper section 103, an outer tube middle section 104 and an outer tube lower section 105, the outer tube upper section 103 is positioned in a karst top plate 5, the top surface of the outer tube upper section is flush with the top surface of the karst top plate 5 or higher than the top surface of the karst top plate 5, the outer tube middle section 104 is positioned in a karst cavity 6, the tube wall of the outer tube middle section is provided with a plurality of pressure relief holes 101, the pressure relief holes 101 are spirally arranged, the outer tube lower section 105 is positioned in the karst cavity 6 or below a karst water line 7, a deslagging inner net 2 with an opening on the top surface is arranged in the outer tube lower section 105, the deslagging inner net 2 is tightly attached to the inner wall of the outer tube lower section 105, the deslagging inner net 2 is an anti-rust diamond net, a lifting rope 202 is connected to the other end of the lifting rope 202 is connected to the upper part of the karst top plate 5, and the deslagging inner net 2 can smoothly sink into the bottom of the outer tube 1, and a counterweight base 201 is welded in the lower thread connection in the outer tube lower section 105.
The aforesaid, the gas in the karst cavity 6 gets into outer tube 1 through pressure release hole 101 and by outer tube 1 top surface opening pressure release, has realized the balance of karst cavity and external atmospheric pressure, gets into slagging-off intranet 2 under its dead weight by the silt of pressure release hole 101 entering outer tube 1, hangs slagging-off intranet 2 through lifting rope 202 after a period, falls out and puts into slagging-off intranet 2 again outer tube 1 behind the silt in the slagging-off intranet 2 and collects silt.
The second embodiment is different from the first embodiment in that: be equipped with stainless steel portal frame 3 on the karst roof 5, portal frame 3 both ends stand is fixed in on the karst roof 5, is equipped with electric hoist 4 on the crossbeam of portal frame 3 top, and the lifting rope 202 on the deslagging intranet is connected to on the electric hoist 4 lifting hook, and electric hoist 4 pulls up deslagging intranet 2 in order to detach the silt in the deslagging intranet 2 through lifting rope 202, and electric hoist 4 is hung deslagging intranet 2 to outer tube 2 bottom after the silt is detached, continues to collect silt, uses laborsaving.
The implementation steps of the pressure relief structure are as follows:
a. determining the size of the karst cavity 6, the thickness of the karst water line 7 and the thickness of the karst top plate 5 according to the geophysical prospecting result data, finally determining the length of the outer tube 1, and arranging pressure relief holes 101 at corresponding positions of the middle section 104 of the outer tube;
b. the outer tube adopts a stainless steel tube with the diameter of 110mm, and the outer tube 1 is inserted into the hole by adopting mechanical hole forming (the outer tube 1 self-stabilizes against friction with the rock-soil body around the tube);
c. the gate frame 3 is fixed on the karst top plate 5, so that the outer pipe 1 is positioned on the central line of the gate frame 3, the height of the gate frame is at least 1.5 times of the height of the deslagging inner net 2, and deslagging of the deslagging inner net 2 is facilitated;
d. the electric hoist 4 is fixed on the top cross beam of the door frame 3;
e. the counterweight base 201 is arranged at the bottom of the deslagging inner net 2, and the lifting rope 202 is bound at the opening of the deslagging inner net 2;
the electric hoist 4 works after being powered on, the installed deslagging inner net 2 is lifted to the lower section 105 of the outer pipe to collect sediment entering the outer pipe 1 through the pressure relief hole 101, the deslagging inner net 2 is pulled up to remove the sediment through the electric hoist 4 at an irregular period, and the sediment is continuously collected after the deslagging is finished.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (6)
1. The utility model provides a release structure for karst collapse is administered which characterized in that: including top surface opening, bottom surface confined outer tube (1), outer tube (1) comprises outer tube upper segment (103), outer tube middle section (104) and outer tube hypomere (105), outer tube upper segment (103) are located karst roof (5) and its top surface and karst roof (5) top surface parallel and level or be higher than karst roof (5) top surface, outer tube middle section (104) are located karst cavity (6) and its pipe wall is equipped with a plurality of pressure release holes (101), outer tube hypomere (105) are located karst cavity (6) or below karst water line (7), be equipped with top surface open-ended slagging-off intranet (2) in outer tube hypomere (105), outer tube hypomere (105) inner wall is hugged closely to slagging-off intranet (2) outer wall, be connected with lifting rope (202) on slagging-off intranet (2), the lifting rope (202) other end is connected to karst roof (5) top.
2. A pressure relief structure for karst collapse management according to claim 1, wherein: a counterweight base (201) is connected below the deslagging inner net (2) in the lower section (105) of the outer pipe.
3. A pressure relief structure for karst collapse management according to claim 2, wherein: the counterweight base (201) is in threaded connection with the deslagging intranet (2).
4. A pressure relief structure for karst collapse management according to any one of claims 1-3, wherein: the karst roof (5) is provided with a portal frame (3), the portal frame (3) is provided with an electric hoist (4), and the lifting rope (202) is connected to a lifting hook of the electric hoist (4).
5. A pressure relief structure for karst collapse management according to any one of claims 1-3, wherein: the pressure relief holes (101) on the wall of the middle section (104) of the outer tube are spirally arranged.
6. A pressure relief structure for karst collapse management according to claim 1, wherein: the pipe diameter of the outer pipe (1) is 110mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321289665.XU CN219825185U (en) | 2023-05-25 | 2023-05-25 | Pressure relief structure for karst collapse treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321289665.XU CN219825185U (en) | 2023-05-25 | 2023-05-25 | Pressure relief structure for karst collapse treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825185U true CN219825185U (en) | 2023-10-13 |
Family
ID=88247284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321289665.XU Active CN219825185U (en) | 2023-05-25 | 2023-05-25 | Pressure relief structure for karst collapse treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825185U (en) |
-
2023
- 2023-05-25 CN CN202321289665.XU patent/CN219825185U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |