CN208564497U - A kind of expansion hole sealing structure - Google Patents
A kind of expansion hole sealing structure Download PDFInfo
- Publication number
- CN208564497U CN208564497U CN201821128367.1U CN201821128367U CN208564497U CN 208564497 U CN208564497 U CN 208564497U CN 201821128367 U CN201821128367 U CN 201821128367U CN 208564497 U CN208564497 U CN 208564497U
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- Prior art keywords
- hole
- grouting pipe
- screw rod
- sealing
- rear end
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Abstract
The utility model relates to a kind of expansion hole sealing structures, including front end chuck, rear end chuck and flexible sealing of hole pouch, front end chuck and rear end chuck hub are provided with the connecting hole connecting with gas drainage pipe, the through-hole connecting with Grouting Pipe is provided on the chuck of rear end, Grouting Pipe is connected with mobile device, the mobile device drives Grouting Pipe mobile relative to sealing of hole pouch, the mobile device includes connecting plate, groove is provided on connecting plate, screw rod is equipped in the groove, sliding block has been connected through a screw thread on screw rod, sliding block is connect with Grouting Pipe, one end of the screw rod is connected with decelerating motor, in to Grouting Pipe when uniform injecting slurry, decelerating motor uniform rotation, and then it is at the uniform velocity moved on screw rod with movable slider, drive at the uniform velocity moving for Grouting Pipe, it avoids keeping slip casting more uniform, i.e. slurries are evenly distributed in sealing of hole pouch, Sealing effect is good.
Description
Technical field
The utility model belongs to control of coalmine gas technical field more particularly to a kind of expansion hole sealing structure.
Background technique
After the period of gas drainage one end, borehole circumference cranny development is mature, is mutually communicated, under the action of extraction negative pressure,
Outside air is easy to enter in drilling by these crack passages, to reduce gas extraction concentration, and the oxygen in air is very
It may cause coal spontaneous combustion.Drilling gas extraction is control of coalmine gas and one of the important foundation technological means that utilizes.It drills close
Encapsulation technique is to influence gas extraction concentration, aperture negative pressure and the key factor for guaranteeing drilling high-efficiency mash gas extraction.Chinese patent
Authorization Notice No. is are as follows: CN207499838U, authorized announcement date are as follows: on June 15th, 2018 discloses coal mine gas extraction drill hole
It is thickened slurry sealing of hole system, bag type paste hole packer therein includes sealing of hole pouch, front end chuck and rear end chuck, and the patent is not
Foot place is: injecting slurries in Grouting Pipe during carrying out expansion sealing of hole, the mouth of Grouting Pipe is led at the chuck of rear end
Causing the slurries inside sealing of hole pouch, different with the amount of the slurries at the chuck of rear end (quality also or in unit space is not
Furthermore same is different to the pressure of sealing of hole pouch), cause its grout distribution uneven, influences sealing effect.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and simple, the design reasonable one that provides a kind of structure
Kind expansion hole sealing structure, slurries are evenly distributed in sealing of hole pouch, sealing effect is good.
The utility model achieves the above object through the following technical schemes:
A kind of expansion hole sealing structure, including front end chuck, rear end chuck and flexible sealing of hole pouch, front end chuck and
Rear end chuck hub is provided with the connecting hole connecting with gas drainage pipe, and the through-hole connecting with Grouting Pipe is provided on the chuck of rear end,
Grouting Pipe is connected with mobile device, and the mobile device drives Grouting Pipe mobile relative to sealing of hole pouch, the mobile device packet
Include connecting plate, be provided with groove on connecting plate, screw rod is equipped in the groove, be connected through a screw thread sliding block on screw rod, sliding block with
Grouting Pipe connection, one end of the screw rod is connected with decelerating motor, in Grouting Pipe when uniform injecting slurry, decelerating motor
Uniform rotation, and then at the uniform velocity moved on screw rod with movable slider, at the uniform velocity moving for Grouting Pipe is driven, avoids keeping slip casting more equal
Even, i.e., slurries are evenly distributed in sealing of hole pouch, and sealing effect is good.
As the scheme that the utility model advanced optimizes, the Grouting Pipe is equipped with connection ring, the connection ring and cunning
Block connection.
As the scheme that the utility model advanced optimizes, the sliding block is equipped with connection column, opens in the connection ring
There is connecting hole, connection column is connect with connecting hole, easy to disassemble and reduction manufacturing cost.
As the scheme that the utility model advanced optimizes, it is equipped with baffle on the inside of the chuck of the rear end, is opened on the baffle
There is the through-hole connecting with Grouting Pipe, is set on baffle there are two scraper plate, convenient for wiping slip casting off during Grouting Pipe is displaced outwardly
The slurry of pipe outer wall adhesion.
As the scheme that the utility model advanced optimizes, the thickness of the scraper plate gradually thickens from end to bottom, just
In the slurry for wiping slip casting pipe outer wall adhesion off during Grouting Pipe is displaced outwardly.
The utility model has the beneficial effects that:
1) the utility model, in Grouting Pipe when uniform injecting slurry, decelerating motor uniform rotation, and then drive and slide
Block at the uniform velocity moves on screw rod, drives at the uniform velocity moving for Grouting Pipe, avoids keeping slip casting more uniform, i.e., slurries are in sealing of hole pouch
It is evenly distributed, sealing effect is good；
2) the utility model wipes slip casting pipe outer wall adhesion off during being displaced outwardly by scraper plate realization to Grouting Pipe
Slurry reduces its friction with through-hole, convenient for the movement of Grouting Pipe；
3) the utility model structure is simple, and stability is high, and design rationally, is easy to implement.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure: the chuck of the front end 1-；The rear end 2- chuck；3- sealing of hole pouch；4- gas drainage pipe；5- through-hole；6- Grouting Pipe；7-
Connect through-hole；8- mobile device；80- connecting plate；800- groove；81- screw rod；82- sliding block；83- decelerating motor；9- connection ring；
90- connecting hole；10- connection column；11- baffle；12- scraper plate.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
A kind of expansion hole sealing structure as shown in Figure 1, including front end chuck 1, rear end chuck 2 and flexible sealing of hole capsule
Bag 3, front end chuck 1 and 2 center of rear end chuck are provided with the connection through-hole 7 connecting with gas drainage pipe 4, open on rear end chuck 2
Have a through-hole 5 connecting with Grouting Pipe 6, Grouting Pipe 6 is connected with mobile device 8, the mobile device 8 drive Grouting Pipe 6 relative to
Sealing of hole pouch 3 is mobile, and mobile device 8 includes connecting plate 80, and groove 800 is provided on connecting plate 80, is equipped with screw rod in groove 800
81, sliding block 82 has been connected through a screw thread on screw rod 81, and sliding block 82 is connect with Grouting Pipe 6, and one end of screw rod 81 is connected with deceleration electricity
Machine 83, in Grouting Pipe 6 when uniform injecting slurry, 83 uniform rotation of decelerating motor, and then with movable slider 82 in screw rod 81
On at the uniform velocity move, drive Grouting Pipe 6 at the uniform velocity to move, avoid keeping slip casting more uniform.
Grouting Pipe 6 is equipped with connection ring 9, and the connection ring 9 is connect with sliding block 82.
Sliding block 82 is equipped with connection column 10, and connecting hole 90 is provided in connection ring 9, and connection column 10 and connecting hole 90 connect
It connects, easy to disassemble and reduction manufacturing cost.
It is equipped with baffle 11 on the inside of rear end chuck 2, is provided with the through-hole 5 connecting with Grouting Pipe 6 on baffle 11, baffle 11 is equipped with
Two scraper plates 12, convenient for wiping the slurry of 6 outer wall adhesion of Grouting Pipe off during Grouting Pipe 6 is displaced outwardly.
The thickness of scraper plate 12 gradually thickens from end to bottom, convenient for wiping note off during Grouting Pipe 6 is displaced outwardly
Starch the slurry of 6 outer wall adhesion of pipe.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (5)
1. a kind of expansion hole sealing structure, including front end chuck (1), rear end chuck (2) and flexible sealing of hole pouch (3), front end
Chuck (1) and rear end chuck (2) center are provided with the connection through-hole (7) connecting with gas drainage pipe (4), on rear end chuck (2)
It is provided with the through-hole (5) connecting with Grouting Pipe (6), it is characterised in that: Grouting Pipe (6) is connected with mobile device (8), the mobile dress
Setting (8) drives Grouting Pipe (6) mobile relative to sealing of hole pouch (3), and the mobile device (8) includes connecting plate (80), connecting plate
(80) it is provided on groove (800), is equipped with screw rod (81) in the groove (800), screw rod has been connected through a screw thread sliding block on (81)
(82), sliding block (82) is connect with Grouting Pipe (6), and one end of the screw rod (81) is connected with decelerating motor (83).
2. a kind of expansion hole sealing structure according to claim 1, it is characterised in that: the Grouting Pipe (6) is equipped with connection
Ring (9), the connection ring (9) connect with sliding block (82).
3. a kind of expansion hole sealing structure according to claim 2, it is characterised in that: it is vertical that the sliding block (82) is equipped with connection
Column (10) is provided with connecting hole (90) on the connection ring (9), and connection column (10) is connect with connecting hole (90).
4. a kind of expansion hole sealing structure according to claim 1, it is characterised in that: be equipped on the inside of the rear end chuck (2)
Baffle (11) is provided with the through-hole (5) connecting with Grouting Pipe (6) on the baffle (11), sets that there are two scraper plates on baffle (11)
(12)。
5. a kind of expansion hole sealing structure according to claim 4, it is characterised in that: the thickness of the scraper plate (12) is from end
It gradually thickens to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128367.1U CN208564497U (en) | 2018-07-13 | 2018-07-13 | A kind of expansion hole sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128367.1U CN208564497U (en) | 2018-07-13 | 2018-07-13 | A kind of expansion hole sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564497U true CN208564497U (en) | 2019-03-01 |
Family
ID=65493515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821128367.1U Active CN208564497U (en) | 2018-07-13 | 2018-07-13 | A kind of expansion hole sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208564497U (en) |
-
2018
- 2018-07-13 CN CN201821128367.1U patent/CN208564497U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |