CN212105954U - Karst geology tunnel excavation drainage device - Google Patents
Karst geology tunnel excavation drainage device Download PDFInfo
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- CN212105954U CN212105954U CN202020032482.XU CN202020032482U CN212105954U CN 212105954 U CN212105954 U CN 212105954U CN 202020032482 U CN202020032482 U CN 202020032482U CN 212105954 U CN212105954 U CN 212105954U
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- box body
- fixing plate
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- rod
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Abstract
The utility model provides a karst geology tunnel excavation drainage device. The karst geological tunnel excavation drainage device comprises a base; the supporting mechanism is fixed on the top surface of the base; the fixing mechanism is arranged at the top end of the supporting mechanism and comprises a box body, a first fixing plate, a second fixing plate and a spring, the box body is fixed at the top end of the supporting mechanism, the first fixing plate is symmetrically arranged at two ends of the box body, and the second fixing plate with a T-shaped section is slidably connected inside the first fixing plate; the spring is arranged in the first fixing plate and fixedly connected with the bottom surface of the second fixing plate; the filtering mechanism is arranged inside the box body; the connecting mechanism is arranged in the base. The utility model provides a karst geology tunnel excavation drainage device increases the rock stratum intensity of leaking.
Description
Technical Field
The utility model relates to a karst geology tunnel excavation technical field especially relates to a karst geology tunnel excavation drainage device.
Background
The tunnel is a channel dug in an existing building or an earth-rock structure, is an engineering building buried in the ground and is a form of utilizing underground space by human beings. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel.
In the karst geology tunnel excavation process, the inside water of some stratum leaks from the tunnel top, constantly erodees the stratum along with water, and the stratum that leads to leaking is fragile, collapses easily, is unfavorable for constructor's safety.
Therefore, there is a need to provide a new drainage device for excavation of karst geological tunnels to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an increase karst geology tunnel excavation drainage device of rock stratum intensity of leaking.
In order to solve the technical problem, the utility model provides a karst geological tunnel excavation drainage device includes: a base; the supporting mechanism is fixed on the top surface of the base; the fixing mechanism is arranged at the top end of the supporting mechanism and comprises a box body, a first fixing plate, a second fixing plate and a spring, the box body is fixed at the top end of the supporting mechanism, the first fixing plate is symmetrically arranged at two ends of the box body, and the second fixing plate with a T-shaped section is slidably connected inside the first fixing plate; the spring is arranged in the first fixing plate and fixedly connected with the bottom surface of the second fixing plate; the filtering mechanism is arranged inside the box body; the connecting mechanism is arranged in the base.
Preferably, the supporting mechanism comprises a first supporting rod, a screw rod, a second supporting rod, a bump and a fixing block, the top surface of the base is fixedly connected with the first supporting rod, and the interior of the first supporting rod is connected with the second supporting rod in a sliding manner; the top end of the first supporting rod is in threaded connection with the screw rod, and the screw rod props against the second supporting rod; the bottom end of the second supporting rod is symmetrically provided with the convex blocks, and the convex blocks are connected with the inside of the first supporting rod in a sliding manner; the fixed block is installed to the inside wall of first bracing piece, the fixed block sliding connection the second bracing piece.
Preferably, the cross section of one end of the fixing block is semicircular, and the centers of the fixing block and the screw rod are located on the same straight line.
Preferably, the fixed blocks are hemispherical, and the fixed blocks are arranged at the bottom ends of the second supporting rods in a staggered manner.
Preferably, the connecting mechanism comprises a baffle and a drain pipe, the inner section of the base is T-shaped, the baffle is obliquely arranged in the base, the drain pipe is respectively arranged at the top end and the bottom end of the base, and the inner bottom surface of the base is obliquely arranged.
Preferably, the top end of the second supporting rod is fixedly connected with the box body, and the top end of the box body is of an arc-shaped structure.
Preferably, the filtering mechanism comprises a fixing rod, a filter screen and a partition plate, the fixing rod is obliquely installed in the box body, and the top end of the fixing rod is fixedly connected with the filter screen of which the side wall is arc-shaped; the inside symmetry installation of box the baffle, baffle fixed connection the bottom of filter screen.
Compared with the prior art, the utility model provides a karst geology tunnel excavation drainage device has following beneficial effect:
the utility model provides a karst geological tunnel excavation drainage device, in the karst geological tunnel excavation process, when the tunnel top leaks water and the crack is not repaired in time, move this device to under the position that leaks water, adjust the supporting mechanism, make the supporting mechanism drive the box upward movement, the box drives the second fixed plate upward movement, the top of tunnel is the arc, continue to move the box, the box drives the second fixed plate upward movement, make the second fixed plate contact with the rock stratum on the tunnel top, slide the box, make the second fixed plate enter the inside of first fixed plate, make the second fixed plate extrude the spring inside the first fixed plate, the spring backward extrudes the second fixed plate, make the second fixed plate extrude the tunnel rock stratum, when the top is the arc the box is contradicted to the arc tunnel rock stratum, at the moment, the second fixing plates at the two ends of the box body extrude the tunnel rock stratum to seal the water leakage point, so that the water leakage point is positioned right above the box body, the top end of the box body and the second fixing plates upwards extrude the rock stratum to increase the firmness of the rock stratum, water in the rock stratum flows into the box body, the water is discharged from the box body, the supporting mechanism and the base, the phenomenon that the water drives a large area of rock stratum to be separated is avoided, the firmness of the rock stratum is increased, and the safety of construction people is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the karst geological tunnel excavation drainage device provided by the utility model;
FIG. 2 is a schematic view of the securing mechanism shown in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the base shown in FIG. 1;
fig. 4 is a schematic view of the internal structure of the support mechanism shown in fig. 1.
Reference numbers in the figures: 1. the supporting mechanism 11, the first supporting rod 12, the screw rod 13, the second supporting rod 14, the bump 15, the fixing block 2, the base 3, the fixing mechanism 31, the box 32, the first fixing plate 33, the second fixing plate 33, the spring 4, the filtering mechanism 41, the fixing rod 42, the filter screen 43, the partition board 5, the connecting mechanism 51, the baffle 52 and the drain pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a drainage device for excavating a karst geological tunnel according to the present invention; FIG. 2 is a schematic view of the securing mechanism shown in FIG. 1; FIG. 3 is a schematic view of the internal structure of the base shown in FIG. 1; fig. 4 is a schematic view of the internal structure of the support mechanism shown in fig. 1. Karst geology tunnel excavation drainage device includes: a base 2; the supporting mechanism 1 is fixed on the top surface of the base 2; the fixing mechanism 3 is mounted at the top end of the supporting mechanism 1, the fixing mechanism 3 comprises a box body 31, a first fixing plate 32, a second fixing plate 33 and a spring 34, the box body 31 is fixed at the top end of the supporting mechanism 1, the first fixing plate 32 is symmetrically mounted at two ends of the box body 31, and the second fixing plate 34 with a T-shaped cross section is slidably connected inside the first fixing plate 32; the spring 34 is arranged in the first fixing plate 32, and the spring 34 is fixedly connected with the bottom surface of the second fixing plate 33; a filter mechanism 4, wherein the filter mechanism 4 is installed inside the box body 31; and the connecting mechanism 5 is arranged in the base 2.
The supporting mechanism 1 comprises a first supporting rod 11, a screw 12, a second supporting rod 13, a bump 14 and a fixing block 15, the top surface of the base 2 is fixedly connected with the first supporting rod 11, and the interior of the first supporting rod 11 is connected with the second supporting rod 13 in a sliding manner; the top end of the first support rod 11 is in threaded connection with the screw 12, and the screw 12 abuts against the second support rod 13; the bottom end of the second support rod 13 is symmetrically provided with the convex block 14, and the convex block 14 is connected with the inside of the first support rod 11 in a sliding manner; the inside wall installation of first bracing piece 11 fixed block 15, fixed block 15 sliding connection second bracing piece 13, for convenient the second bracing piece 13 is in the inside of first bracing piece 11 slides, works as second bracing piece 13 highly suits the back, rotates screw rod 12 makes screw rod 12 with the extrusion of fixed block 15 the both ends of second bracing piece 13 will second bracing piece 13 is fixed the inside of first bracing piece 11.
The cross section of one end of the fixed block 15 is semicircular, and the centers of the fixed block 15 and the screw 12 are located on the same straight line, so that the two ends of the second support rod 13 are fixed by the screw 12 and the fixed block 15, and the stability of the second support rod 13 in the first support rod 11 is improved.
The bumps 14 are hemispherical, and the bumps 14 are arranged at the bottom end of the second support rod 13 in a staggered manner, so that when the second support rod 13 slides inside the first support rod 11, the second support rod 13 drives the bumps 14 to slide on the inner side wall of the first support rod 11, and the bumps 14 fix the second support rod 13, so that the second support rod 13 slides linearly inside the first support rod 11.
The connecting mechanism 5 comprises a baffle 51 and a drain pipe 52, the baffle 51 is obliquely installed inside the base 2 with a T-shaped internal section, the drain pipe 52 is respectively installed at the top end and the bottom end of the base 2, and the bottom surface of the base 2 is obliquely arranged, so that water entering the base 1 conveniently contacts with the baffle 51, a gap between the baffle 51 and the bottom surface of the base 1 is enabled to pass through, the water is discharged from the drain pipe 52 at the top end of the base 1, sand in the water is enabled to be deposited inside the base 1, the stability of the base 1 is improved, and the drain pipe 52 is prevented from being blocked by the sand.
The top end fixed connection of second bracing piece 13 box 31, just the top of box 31 is the arc structure, and is convenient second bracing piece 13 drives box 31 up-and-down motion is convenient box 13 contradicts curved tunnel rock stratum.
The filtering mechanism 4 comprises a fixing rod 41, a filter screen 42 and a partition plate 43, the fixing rod 41 is obliquely installed inside the box body 31, and the top end of the fixing rod 41 is fixedly connected with the filter screen 42 with an arc-shaped side wall; the inside symmetry installation of box 31 baffle 43, baffle 43 fixed connection filter screen 42's bottom, water with the contact of filter screen 42, dead lever 41 upwards supports filter screen 42 avoids filter screen 42 warp, and water with the contact of filter screen 42, water runs through filter screen 42 gets into the inside of second bracing piece 13, impurity is in filter screen 42's lateral wall lapse makes impurity fix one side of baffle 43 avoids impurity to block up second bracing piece 13.
The utility model provides a karst geological tunnel excavation drainage device's theory of operation as follows: in the excavation process of the karst geological tunnel, when water leaks from the top of the tunnel and cracks are not repaired in time, the device is moved to the position right below the water leakage position, the water drainage pipe 52 at the top end of the base 2 is communicated with other pipelines, and the water drainage pipe 52 at the bottom end of the base 2 is blocked. The screw 12 is rotated to separate the screw 12 from the second support rod 13, the second support rod 13 slides upwards, the second support rod 13 drives the projection 14 to slide upwards in the first support rod 11, and the projection 14 fixes the second support rod 13, so that the second support rod 13 moves upwards in a straight line. The second support rod 13 drives the box body 31 to move upwards, the box body 31 drives the second fixing plate 33 to move upwards, the top end of the tunnel is arc-shaped, the box body 31 continues to move, the box body 31 with the arc-shaped top end aligns with the arc-shaped tunnel, the box body 31 drives the second fixing plate 33 to move upwards, the second fixing plate 33 contacts with the rock stratum at the top end of the tunnel, the box body 31 continues to slide upwards, the second fixing plate 33 enters the first fixing plate 32, the second fixing plate 33 presses the spring 34 in the first fixing plate 31, the spring 34 reversely presses the second fixing plate 33, the second fixing plate 33 presses the tunnel rock stratum, when the box body 31 with the arc-shaped top end abuts against the arc-shaped tunnel rock stratum, the second fixing plates 33 at the two ends of the box body 31 press the tunnel rock stratum at this time, the water leakage point is positioned right above the box body 31, the screw 12 is rotated, the screw 12 and the fixed block 15 extrude two ends of the second supporting rod 13, and the second supporting rod 13 is fixed inside the first supporting rod 11. The top of box 31 with second fixed plate 33 upwards extrudees the stratum, increases the fastness of stratum, just box 31 with second fixed plate 32 blocks the water that the stratum leaked down, makes rivers go into the inside of box 31, water with the filter screen 42 contact, water run through filter screen 42 gets into the inside of second bracing piece 13, impurity is in the lateral wall lapse of filter screen 42 makes impurity fix one side of baffle 43 avoids impurity to block up second bracing piece 13. The water penetrates through the inside of the second support rod 13 and the first support rod 12 to enter the inside of the base 2, the water entering the inside of the base 1 contacts the baffle 51, the water passes through a gap between the baffle 51 and the bottom surface of the base 1, the water is discharged from the drain pipe 52 at the top end of the base 1, sand in the water is deposited inside the base 1, the stability of the base 1 is improved, and the sand is prevented from blocking the drain pipe 52. When the use is finished, the drainage pipe 52 at the bottom end of the base 2 is opened, and the sand and stones settled in the base 2 are cleaned.
Compared with the prior art, the utility model provides a karst geology tunnel excavation drainage device has following beneficial effect:
the utility model provides a karst geological tunnel excavation drainage device, in the karst geological tunnel excavation process, when the tunnel top leaks water and the crack is not repaired in time, move this device to under the position of leaking water, adjust the supporting mechanism 1, make the supporting mechanism 1 drive the box 31 upward movement, the box 31 drives the second fixed plate 33 upward movement, the top of tunnel is the arc, continue to move the box 31, the box 31 drives the second fixed plate 33 upward movement, make the second fixed plate 33 contact with the rock stratum at the tunnel top, slide the box 31, make the second fixed plate 33 enter the inside of the first fixed plate 32, make the second fixed plate 33 extrude the spring 34 inside the first fixed plate 32, the spring 34 reversely extrudes the second fixed plate 33, make the second fixed plate 33 extrude the tunnel rock stratum, when the box body 31 with the arc top end abuts against the arc tunnel rock stratum, the second fixing plates 33 at the two ends of the box body 31 extrude the tunnel rock stratum to seal a water leakage point, the water leakage point is located right above the box body 31, the top end of the box body 31 and the second fixing plates 33 upwards extrude the rock stratum to increase firmness of the rock stratum, water in the rock stratum flows into the box body 31, the water is discharged from the box body 31, the supporting mechanism 1 and the base 2, large-area rock stratum separation is avoided, firmness of the rock stratum is increased, and safety of construction people is facilitated.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a karst geology tunnel excavation drainage device which characterized in that includes:
a base;
the supporting mechanism is fixed on the top surface of the base;
the fixing mechanism is arranged at the top end of the supporting mechanism and comprises a box body, a first fixing plate, a second fixing plate and a spring, the box body is fixed at the top end of the supporting mechanism, the first fixing plate is symmetrically arranged at two ends of the box body, and the second fixing plate with a T-shaped section is slidably connected inside the first fixing plate; the spring is arranged in the first fixing plate and fixedly connected with the bottom surface of the second fixing plate;
the filtering mechanism is arranged inside the box body;
the connecting mechanism is arranged in the base.
2. The karst geological tunnel excavation drainage device of claim 1, wherein the supporting mechanism comprises a first supporting rod, a screw rod, a second supporting rod, a bump and a fixed block, the top surface of the base is fixedly connected with the first supporting rod, and the inner part of the first supporting rod is slidably connected with the second supporting rod; the top end of the first supporting rod is in threaded connection with the screw rod, and the screw rod props against the second supporting rod; the bottom end of the second supporting rod is symmetrically provided with the convex blocks, and the convex blocks are connected with the inside of the first supporting rod in a sliding manner; the fixed block is installed to the inside wall of first bracing piece, the fixed block sliding connection the second bracing piece.
3. The karst geological tunnel excavation drainage device of claim 2, characterized in that, the one end cross-section of fixed block is semi-circular, and the center of fixed block and screw rod is located same straight line.
4. The karst geological tunnel excavation drainage device of claim 2, wherein the lugs are hemispherical, and a plurality of the lugs are staggered at the bottom end of the second support rod.
5. The karst geological tunnel excavation drainage device of claim 1, wherein the connecting mechanism comprises a baffle and a drainage pipe, the baffle is obliquely installed inside the base with the T-shaped internal section, the drainage pipe is respectively installed at the top end and the bottom end of the base, and the bottom surface inside the base is obliquely arranged.
6. The karst geological tunnel excavation drainage device of claim 2, wherein the top end of the second support rod is fixedly connected with the box body, and the top end of the box body is of an arc-shaped structure.
7. The karst geological tunnel excavation drainage device of claim 1, wherein the filtering mechanism comprises a fixing rod, a filter screen and a partition plate, the fixing rod is obliquely installed inside the box body, and the top end of the fixing rod is fixedly connected with the filter screen with the arc-shaped side wall; the inside symmetry installation of box the baffle, baffle fixed connection the bottom of filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020032482.XU CN212105954U (en) | 2020-01-08 | 2020-01-08 | Karst geology tunnel excavation drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020032482.XU CN212105954U (en) | 2020-01-08 | 2020-01-08 | Karst geology tunnel excavation drainage device |
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| CN212105954U true CN212105954U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020032482.XU Active CN212105954U (en) | 2020-01-08 | 2020-01-08 | Karst geology tunnel excavation drainage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113545A1 (en) * | 2022-11-28 | 2024-06-06 | 中铁北京工程局集团(天津)工程有限公司 | Drainage apparatus for karst formation tunnel construction |
-
2020
- 2020-01-08 CN CN202020032482.XU patent/CN212105954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113545A1 (en) * | 2022-11-28 | 2024-06-06 | 中铁北京工程局集团(天津)工程有限公司 | Drainage apparatus for karst formation tunnel construction |
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