CN214035778U

CN214035778U - Roadway drainage device

Info

Publication number: CN214035778U
Application number: CN202022730807.4U
Authority: CN
Inventors: 周林生; 李磊; 刘长帅
Original assignee: Laiwu Laixin Iron Mine Co ltd
Current assignee: Laiwu Laixin Iron Mine Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-24
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a tunnel drainage device, belong to the technical field of mining equipment, it includes the one-level sleeve pipe, the second grade sleeve pipe, tertiary sleeve pipe and the ball valve that is used for controlling the rivers, the drilling is located to one-level sleeve pipe cover, the second grade sleeve pipe sets up with one-level sleeve pipe intercommunication, tertiary sleeve pipe can be in the inside removal of second grade sleeve pipe and one-level sheathed tube, moving direction is the sheathed tube length direction of one-level, tertiary sheathed tube length is greater than one-level sleeve pipe and second grade sheathed tube overall length, the one end that the second grade sleeve pipe is close to the tunnel can be dismantled with the ball valve and be connected, and can dismantle between second grade sleeve pipe and the tertiary sleeve pipe and be connected with the seal cover, the slip casting mouth has been seted up on the sheathed tube wall of second grade. This application has the effect that reduces the human cost.

Description

Roadway drainage device

Technical Field

The application relates to the field of mining equipment, in particular to a roadway drainage device.

Background

The roadway is a communication channel between the earth surface and an ore body, is used for ventilation, pedestrians, ore transportation and the like, and is an important channel project of a mine. Because the roadway is in a low stress environment, the quality of surrounding rocks and the hydrological environment are important factors influencing the stability of the roadway. Due to the geological action, the integrity of the rock mass is cut and damaged by various structural planes such as faults, cracks and the like, meanwhile, the cracks are also storage spaces of underground water, and water can form seepage along the cracks of the rock mass to influence the stability of the rock mass, so that the safety of a roadway is reduced. Thus requiring the water to be drained. The general roadway drainage mode is to drill a roadway side wall through a down-the-hole drill, penetrate a sleeve into the drill hole, and then install a ball valve at the end of the sleeve to control water flow, but a gap exists between the sleeve and the hole wall of the drill hole, and the water flow easily flows out from the gap between the sleeve and the hole wall of the drill hole, so that the ball valve cannot play a role.

In the related art, in order to solve the above problems, a water discharge hole is generally drilled along a roadway fracture, and after water flows out, a grouting pipe with a smaller diameter is inserted to inject cement slurry between a casing and the hole wall of a drilled hole for plugging, so that the water only flows out from the casing, and the water flow can be controlled through a ball valve.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the operation difficulty of injecting cement paste between the casing and the hole wall of the drilled hole is high, and high labor cost is required.

SUMMERY OF THE UTILITY MODEL

In order to reduce the human cost, this application provides a tunnel drainage device.

The application provides a tunnel drainage device adopts following technical scheme:

the utility model provides a roadway drainage device, includes one-level sleeve pipe, second grade sleeve pipe, tertiary sleeve pipe and is used for controlling the ball valve of rivers, the drilling is located to the one-level sleeve pipe cover, the setting of second grade sleeve pipe and one-level sleeve pipe intercommunication, tertiary sleeve pipe can be at second grade sleeve pipe and the inside removal of one-level sheathed tube, and the direction of movement is one-level sheathed tube length direction, tertiary sheathed tube length is greater than one-level sleeve pipe and second grade sheathed tube overall length, the one end that the second grade sleeve pipe is close to the tunnel can be dismantled with the ball valve and be connected, just can dismantle between second grade sleeve pipe and the tertiary sleeve pipe and be connected with the seal cover, the slip casting mouth has been seted up on the second grade sheathed tube pipe wall.

By adopting the technical scheme, after the side wall of the roadway is drilled, the first-level sleeve is inserted into the drill hole, the second-level sleeve is communicated with the first-level sleeve, the second-level sleeve is exposed outside the drill hole, the third-level sleeve is sequentially inserted into the second-level sleeve and the first-level sleeve along the length direction of the first-level sleeve, one end of the third-level sleeve, which is far away from the second-level sleeve, penetrates out of the first-level sleeve and is abutted against the hole wall of the drill hole, then the sealing sleeve is connected between the second-level sleeve and the third-level sleeve, cement slurry is injected into the second-level sleeve from the slurry injection port, the cement slurry can flow into the gap between the first-level sleeve and the third-level sleeve along the gap between the second-level sleeve and the third-level sleeve and then flows out of the first-level sleeve to enter the gap between the hole wall of the drill hole and the first-level sleeve and the third-level sleeve, after the cement slurry is solidified, the crack of the water seepage of the roadway can be blocked, and the first-level sleeve, the second-level sleeve and the third-level sleeve are connected with the hole wall of the drill hole, then the seal cover is dismantled, is connected the one end that the second grade sleeve pipe is close to the tunnel with the ball valve, can control the rivers and only follow tertiary sleeve pipe to the direction flow that is close to the ball valve, when carrying out the drainage to the tunnel, can accomplish the operation by ball valve control rivers, can accomplish the shutoff to the tunnel crack through the slip casting to the slip casting mouth, the simple operation to the human cost has been reduced.

Optionally, one end of the primary sleeve close to the roadway is coaxially connected with a first connecting ring, a clamping groove is formed in the first connecting ring, one end of the secondary sleeve close to the drilled hole is coaxially connected with a second connecting ring, a clamping block is arranged on the second connecting ring, and the clamping block and the clamping groove can be matched in a plugging mode.

By adopting the technical scheme, the connection of the primary sleeve and the secondary sleeve is realized by the insertion and connection matching of the clamping block and the clamping groove.

Optionally, the communicating groove has been seted up along the circumference of first joint ring to the lateral wall in joint groove, the joint piece includes first joint subblock and second joint subblock, first joint subblock and second joint ring fixed connection, one side and the perpendicular fixed connection of second joint subblock that the second go-between was kept away from to first joint subblock, and all with joint groove plug-in cooperation, the second joint subblock can change over to the communicating groove and with the communicating groove cooperation of pegging graft.

By adopting the technical scheme, after the first clamping sub block and the second clamping sub block are in splicing fit with the clamping grooves, the second connecting ring is rotated, the second clamping sub block can be switched to the communicating groove to be in splicing fit with the communicating groove, and the connecting strength of the first-level sleeve and the second-level sleeve is improved.

Optionally, a non-slip mat is arranged in the communicating groove.

Through adopting above-mentioned technical scheme, setting up of slipmat has reduced the condition that the second joint subblock deviate from in the intercommunication groove, has improved the joint strength of second joint subblock and intercommunication groove.

Optionally, one end of the second-stage sleeve close to the roadway is coaxially connected with a first flange plate, a second flange plate is arranged on the ball valve, and the first flange plate is connected with the second flange plate.

Through adopting above-mentioned technical scheme, the connection of first ring flange and second ring flange has realized being connected dismantled of second grade sleeve pipe and ball valve.

Optionally, the seal cartridge includes sealed tube and locking piece, the coaxial fixed connection of sealed tube and locking piece, the sealed tube all can the butt with second grade sheathed tube pipe wall, tertiary sheathed tube pipe wall, but locking piece and second grade sleeve pipe are close to the mouth of pipe lateral wall butt of tunnel one end.

Through adopting above-mentioned technical scheme, during the installation seal cover, insert the sealed tube in second grade sleeve pipe and tertiary sheathed tube space, make sealed tube and the equal butt of second grade sheathed tube pipe wall, tertiary sheathed tube pipe wall, the locking piece is close to the mouth of pipe lateral wall butt of tunnel one end with the second grade sleeve pipe, can realize the sealed in second grade sleeve pipe and tertiary sheathed tube space.

Optionally, the sealing tube is an elastic tube.

Through adopting above-mentioned technical scheme, the setting of elastic tube is convenient for adjust the position of sealed tube, makes the sealed tube change insert in the space between second grade sleeve pipe, the tertiary sleeve pipe.

Optionally, a locking bolt is arranged on the locking block, and the locking bolt can pass through the locking block and be in threaded connection with the pipe orifice side wall of the secondary sleeve.

Through adopting above-mentioned technical scheme, the setting of locking bolt has improved the joint strength of seal cover and second grade sleeve pipe.

Optionally, a grouting pipe is arranged on the side wall of the grouting opening.

Through adopting above-mentioned technical scheme, the setting of slip casting pipe plays certain guide effect to the injection of grout, the operation of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the roadway is drained, the roadway cracks can be plugged by grouting the grouting port, the water drainage operation can be completed by controlling water flow through the ball valve, and the operation is convenient and fast, so that the labor cost is reduced;

2. after the first clamping sub block and the second clamping sub block are in splicing fit with the clamping grooves, the second connecting ring is rotated, the second clamping sub block can be switched into the communicating groove to be in splicing fit with the communicating groove, and the connecting strength of the first-stage sleeve and the second-stage sleeve is improved;

3. the setting of slip casting pipe plays certain guide effect to the injection of grout, the operation of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic partial structural view of a primary casing according to an embodiment of the present application;

FIG. 3 is a schematic diagram of the overall structure of a secondary bushing in accordance with an embodiment of the present application;

FIG. 4 is a schematic view of the assembly of the gland with the secondary and tertiary casings of the embodiments of the present application;

figure 5 is an exploded view of the sealing sleeve of an embodiment of the present application.

Description of reference numerals: 100. a primary sleeve; 110. a first connecting ring; 111. a clamping groove; 112. a communicating groove; 200. a secondary sleeve; 210. a grouting port; 220. a first flange plate; 230. a second connection ring; 240. a clamping block; 241. a first clamping sub-block; 242. a second clamping sub-block; 300. a third-stage sleeve; 400. a ball valve; 410. a second flange plate; 500. sealing sleeves; 510. a sealing tube; 520. a locking block; 521. locking the bolt; 600. and (4) grouting pipes.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses tunnel drainage device. Referring to fig. 1, the drainage device includes a first-stage casing 100, the first-stage casing 100 is sleeved in the drill hole, one end of the first-stage casing 100, which is far away from the drill hole, is communicated with a second-stage casing 200, a third-stage casing 300 is arranged in the second-stage casing 200, and the third-stage casing 300 can move in the second-stage casing 200 and the first-stage casing 100 along the length direction of the first-stage casing 100. The ball valve 400 is detachably connected to one end of the secondary casing 200 close to the roadway to control water flow. The wall of the secondary casing 200 is provided with a grouting port 210, and the sidewall of the grouting port 210 is in threaded connection with a grouting pipe 600 for facilitating the injection of cement slurry.

The end of the secondary sleeve 200 close to the roadway is coaxially welded with a first flange plate 220, the ball valve 400 is welded with a second flange plate 410, and the first flange plate 220 is connected with the second flange plate 410 through bolts so as to connect the secondary sleeve 200 with the ball valve 400.

The first connecting ring 110 is coaxially welded at one end of the primary casing 100 close to the roadway, the second connecting ring 230 is coaxially welded at one end of the secondary casing 200 close to the drilled hole, and the first connecting ring 110 and the second connecting ring 230 can be coaxially connected.

Referring to fig. 2, the first connecting ring 110 is provided with a locking groove 111, and a communication groove 112 is formed in a side wall of the locking groove 111 along a circumferential direction of the first connecting ring 110.

Referring to fig. 3, a clamping block 240 is disposed on the second connection ring 230, the clamping block 240 includes a first clamping sub-block 241, the first clamping sub-block 241 is welded to a side of the second connection ring 230 close to the first connection ring 110, and a second clamping sub-block 242 is vertically welded to a side of the first clamping sub-block 241 far from the second connection ring 230.

Referring to fig. 2 and 3, the first card sub-block 241 and the second card sub-block 242 are both matched with the card slot 111 in an inserting manner, and the second card sub-block 242 can be rotated into the communication slot 112 to be matched with the communication slot 112 in an inserting manner. The communicating groove 112 is bonded with a non-slip pad, which is a rubber pad to reduce the relative sliding between the second clamping sub-block 242 and the communicating groove 112.

Referring to fig. 4, the length of tertiary casing 300 is greater than the total length of primary casing 100 and secondary casing 200, and the end of tertiary casing 300 remote from secondary casing 200 may abut the wall of the borehole. A sealing sleeve 500 is detachably connected between one end of the secondary sleeve 200 close to the roadway and the tertiary sleeve 300.

Referring to fig. 4 and 5, the sealing sleeve 500 includes a sealing tube 510 and a locking block 520, the sealing tube 510 is an elastic tube, and a rubber tube is used in this embodiment. The sealing tube 510 is coaxially bonded to the locking block 520.

The sealing tube 510 can be inserted into the gap between the secondary casing 200 and the tertiary casing 300, and can be abutted against both the wall of the secondary casing 200 and the wall of the tertiary casing 300. The locking block 520 and the nozzle side wall of the second-stage sleeve 200 close to one end of the roadway can be abutted, a locking bolt 521 is connected to the locking block 520 in a threaded mode, and the locking bolt 521 can penetrate through the nozzle side wall of the locking block 520 and the second-stage sleeve 200 in a threaded mode to lock the position of the locking block 520.

The implementation principle of the roadway drainage device in the embodiment of the application is as follows: after the side wall of the roadway is drilled, the primary casing 100 is firstly inserted into the drilled hole, then the first clamping sub-block 241 and the second clamping sub-block 242 are in splicing fit with the clamping groove 111, and then the second connecting ring 230 is rotated to enable the second clamping sub-block 242 to be transferred to the communicating groove 112 to be in splicing fit with the communicating groove 112, so that the primary casing 100 and the secondary casing 200 are connected.

At this time, the second-stage casing 200 is exposed outside the borehole, the third-stage casing 300 is sequentially inserted into the second-stage casing 200 and the first-stage casing 100 along the length direction of the first-stage casing 100, and one end of the third-stage casing 300, which is far away from the second-stage casing 200, penetrates through the first-stage casing 100 to abut against the borehole wall of the borehole.

And then a sealing tube 510 is inserted into a gap between the secondary sleeve 200 and the tertiary sleeve 300, so that the locking block 520 is abutted against the side wall of the pipe orifice at one end of the secondary sleeve 200 close to the roadway, and a locking bolt 521 is in threaded connection with the locking block 520 and then penetrates through the locking block 520 to be in threaded connection with the side wall of the pipe orifice of the secondary sleeve 200, so as to lock the position of the sealing sleeve 500.

Then, cement slurry is injected into the grouting port 210 through the grouting pipe 600, the cement slurry can flow into a gap between the first-level casing pipe 100 and the third-level casing pipe 300 along the gap between the second-level casing pipe 200 and the third-level casing pipe 300, then flows out of the first-level casing pipe 100, enters the gap between the hole wall of the drilled hole and the first-level casing pipe 100 and the third-level casing pipe 300, and can block the cracks of water seepage of the roadway after the cement slurry is solidified, and the first-level casing pipe 100, the second-level casing pipe 200 and the third-level casing pipe 300 are connected with the hole wall of the drilled hole.

The locking bolts 521 are taken down, the sealing tube 510 is pulled out, the sealing sleeve 500 is detached, the first flange plate 220 is connected with the second flange plate 410 through the bolts, the ball valve 400 can be connected with the second-stage sleeve 200, water flows only from the third-stage sleeve 300 to the direction close to the ball valve 400, and when a roadway is drained, water flow is controlled through the ball valve 400, and therefore the drainage operation can be completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tunnel drainage device which characterized in that: including one-level sleeve pipe (100), second grade sleeve pipe (200), tertiary sleeve pipe (300) and ball valve (400) that are used for controlling rivers, drilling is located to one-level sleeve pipe (100) cover, second grade sleeve pipe (200) and one-level sleeve pipe (100) intercommunication set up, tertiary sleeve pipe (300) can be at the inside removal of second grade sleeve pipe (200) and one-level sleeve pipe (100), and moving direction is the length direction of one-level sleeve pipe (100), the length of tertiary sleeve pipe (300) is greater than the overall length of one-level sleeve pipe (100) and secondary sleeve pipe (200), the one end that secondary sleeve pipe (200) is close to the tunnel can be dismantled with ball valve (400) and be connected, just can dismantle between second grade sleeve pipe (200) and tertiary sleeve pipe (300) and be connected with seal cover (500), slip casting mouth (210) have been seted up on the pipe wall of secondary sleeve pipe (200).

2. The roadway drainage device of claim 1, wherein: one end coaxial coupling that first order sleeve pipe (100) are close to the tunnel has first go-between (110), joint groove (111) have been seted up on first go-between (110), one end coaxial coupling that second grade sleeve pipe (200) are close to drilling has second go-between (230), be provided with joint piece (240) on second go-between (230), joint piece (240) and joint groove (111) can peg graft the cooperation.

3. The roadway drainage device of claim 2, wherein: intercommunication groove (112) have been seted up along the circumference of first connecting ring (110) to the lateral wall in joint groove (111), joint piece (240) are including first joint sub-block (241) and second joint sub-block (242), first joint sub-block (241) and second connecting ring (230) fixed connection, one side and the perpendicular fixed connection of second joint sub-block (242) that second connecting ring (230) were kept away from in first joint sub-block (241), and all can peg graft the cooperation with joint groove (111), second joint sub-block (242) can turn into intercommunication groove (112) and peg graft the cooperation with intercommunication groove (112).

4. The roadway drainage device of claim 3, wherein: and an anti-skid pad is arranged in the communication groove (112).

5. The roadway drainage device of claim 1, wherein: one end coaxial coupling that second grade sleeve pipe (200) are close to the tunnel has first ring flange (220), be provided with second ring flange (410) on ball valve (400), first ring flange (220) are connected with second ring flange (410).

6. The roadway drainage device of claim 1, wherein: seal cover (500) include sealed tube (510) and locking piece (520), sealed tube (510) and the coaxial fixed connection of locking piece (520), sealed tube (510) and the equal butt of pipe wall of the pipe wall of second grade sleeve pipe (200), the pipe wall of tertiary sleeve pipe (300), locking piece (520) and second grade sleeve pipe (200) can be butt near the mouth of pipe lateral wall of tunnel one end.

7. The roadway drainage device of claim 6, wherein: the sealing tube (510) is an elastic tube.

8. The roadway drainage device of claim 7, wherein: and a locking bolt (521) is arranged on the locking block (520), and the locking bolt (521) can pass through the locking block (520) to be in threaded connection with the side wall of the pipe orifice of the secondary sleeve (200).

9. The roadway drainage device of claim 1, wherein: and a grouting pipe (600) is arranged on the side wall of the grouting opening (210).