CN220815737U - Pneumatic telescopic device for upper corner suspension pipe of stope - Google Patents
Pneumatic telescopic device for upper corner suspension pipe of stope Download PDFInfo
- Publication number
- CN220815737U CN220815737U CN202322810338.0U CN202322810338U CN220815737U CN 220815737 U CN220815737 U CN 220815737U CN 202322810338 U CN202322810338 U CN 202322810338U CN 220815737 U CN220815737 U CN 220815737U
- Authority
- CN
- China
- Prior art keywords
- gas extraction
- extraction pipe
- pipe
- sliding
- suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 30
- 238000000605 extraction Methods 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000003245 coal Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model relates to a pneumatic telescopic device for a corner suspension pipe on a stoping surface, which comprises a first gas extraction pipe, a second gas extraction pipe, a telescopic mechanism and a sliding suspension mechanism; the first gas extraction pipe and the second gas extraction pipe can be in sliding nested sealing connection; the telescopic mechanism is connected to the first gas extraction pipe and the second gas extraction pipe, and can change the relative position relationship of the first gas extraction pipe and the second gas extraction pipe; the sliding suspension mechanism is used for sliding suspension of the first gas extraction pipe and the second gas extraction pipe. The device has the advantages of simple structure and convenient operation, can reduce the time for personnel to dismantle and move the gas extraction pipeline, and simultaneously reduces the personnel investment during operation.
Description
Technical Field
The utility model relates to the field of underground coal mine equipment, in particular to a pneumatic telescopic device for a corner suspension pipe on a stope face.
Background
During the stoping of the underground fully-mechanized coal face of the coal mine, part of the air flow entering the goaf flows out of the upper corner, and gas carrying the goaf flows out of the upper corner, so that the gas concentration near the upper corner is higher. At present, 1-2 phi 274mm gas extraction pipes are generally arranged within a range of 10m from the end tail old pond, one end of each phi 274mm gas extraction pipe stretches into a phi 400mm gas extraction pipe for short connection, and the other end stretches into an upper corner area for low negative pressure belt extraction, and is tightly wrapped by a phi 400mm telescopic air duct, so that no air leakage exists. In each maintenance process, personnel are required to be invested to dismantle and move the gas extraction pipeline, and the investment of manpower and time is relatively long.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model provides a pneumatic telescopic device for a corner hanging pipe on a stoping surface, which aims to solve the problem that a gas extraction pipeline needs to be removed and moved in each maintenance process in the prior art.
The pneumatic telescopic device for the corner suspension pipe on the stoping surface comprises a first gas extraction pipe, a second gas extraction pipe, a telescopic mechanism and a sliding suspension mechanism;
the first gas extraction pipe and the second gas extraction pipe can be in sliding nested sealing connection;
the telescopic mechanism is connected to the first gas extraction pipe and the second gas extraction pipe, and can change the relative position relationship of the first gas extraction pipe and the second gas extraction pipe;
The sliding suspension mechanism is used for sliding suspension of the first gas extraction pipe and the second gas extraction pipe.
In some embodiments, the telescopic mechanism comprises two telescopic rods and a clamp, and two ends of the telescopic rods are connected with the first gas extraction pipe and the second gas extraction pipe through the clamp respectively.
In some embodiments, the telescoping rod is a three stage cylinder.
In some embodiments, the sliding suspension mechanism comprises a wire rope, a first pulley, a first suspension rope, a second pulley, a second suspension rope; the first gas extraction pipe is connected to the steel wire rope in a sliding manner through a first suspension rope and a first pulley; the second gas extraction pipe is connected to the steel wire rope in a sliding mode through a second hanging rope and a second pulley.
In some embodiments, the first gas extraction pipe has a diameter Φ400mm; the diameter of the second gas extraction pipe is phi 280mm.
In some embodiments, a sliding sleeve seal is adopted between the first gas extraction pipe and the second gas extraction pipe.
By adopting the technical scheme, the utility model has the following technical effects: the device has the advantages of simple structure and convenient operation, can reduce the time for personnel to dismantle and move the gas extraction pipeline, and simultaneously reduces the personnel investment during operation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a pneumatic telescoping device for a corner hanger on a recovery surface;
fig. 2 is an enlarged view of the area a in fig. 1.
In the figure, 1, a first gas extraction pipe; 2. the second gas extraction pipe; 3. a telescoping mechanism; 31. a telescopic rod; 32. a clamp; 4. a sliding suspension mechanism; 41. a wire rope; 42. a first pulley; 43. a first suspension cord; 44. a second pulley; 45. a second suspension cord; 5. and (5) sealing the sliding sleeve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
1-2, The pneumatic telescopic device for the corner suspension pipe on the stoping surface comprises a first gas extraction pipe 1, a second gas extraction pipe 2, a telescopic mechanism 3 and a sliding suspension mechanism 4;
The second gas extraction pipe 2 is inserted into the first gas extraction pipe 1, and is sealed by a sliding sleeve 5, so that the tightness is ensured in the sliding process;
The telescopic mechanism 3 comprises two telescopic rods 31 and a clamp 32, two ends of the telescopic rods 31 are respectively connected with the first gas extraction pipe 1 and the second gas extraction pipe 2 through the clamp 32, and the relative position relation between the first gas extraction pipe 1 and the second gas extraction pipe 2 can be changed through the extension and the shortening of the telescopic rods 31;
The sliding suspension mechanism 4 comprises a steel wire rope 41, a first pulley 42, a first suspension rope 43, a second pulley 44 and a second suspension rope 45; the first gas extraction pipe 1 is connected to the steel wire rope 41 in a sliding way through a first suspension rope 43 and a first pulley 42; the second gas extraction pipe 2 is slidingly connected to the wire rope 41 by a second suspension rope 45, a second pulley 44.
The telescopic rod 31 is a three-stage cylinder in order to obtain a large extension and retraction stroke.
The diameter of the first gas extraction pipe 1 is phi 400mm; the diameter of the second gas extraction pipe 2 is phi 280mm.
During maintenance, the telescopic rod 31 is controlled to shrink, the second gas extraction pipe 2 shrinks to enter a part of the first gas extraction pipe 1, dismantling is not needed, the time for dismantling and moving the gas extraction pipeline is reduced, and meanwhile, personnel investment during operation is also reduced.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The pneumatic telescopic device for the corner suspension pipe on the stoping surface is characterized by comprising a first gas extraction pipe, a second gas extraction pipe, a telescopic mechanism and a sliding suspension mechanism;
the first gas extraction pipe and the second gas extraction pipe can be in sliding nested sealing connection;
the telescopic mechanism is connected to the first gas extraction pipe and the second gas extraction pipe, and can change the relative position relationship of the first gas extraction pipe and the second gas extraction pipe;
The sliding suspension mechanism is used for sliding suspension of the first gas extraction pipe and the second gas extraction pipe.
2. The pneumatic telescopic device for the upper corner hanging pipe of the stope according to claim 1, wherein the telescopic mechanism comprises two telescopic rods and a clamp, and two ends of the telescopic rods are connected with the first gas extraction pipe and the second gas extraction pipe through the clamp respectively.
3. The stope upper corner hanging pipe pneumatic telescoping device of claim 2, wherein the telescoping rod is a three-stage cylinder.
4. The stope upper corner hanging pipe pneumatic telescoping device of claim 1, wherein the sliding hanging mechanism comprises a steel wire rope, a first pulley, a first hanging rope, a second pulley, and a second hanging rope; the first gas extraction pipe is connected to the steel wire rope in a sliding manner through a first suspension rope and a first pulley; the second gas extraction pipe is connected to the steel wire rope in a sliding mode through a second hanging rope and a second pulley.
5. The gas-operated telescoping device for a corner hanging pipe on a stope according to claim 1, wherein the diameter of the first gas extraction pipe is phi 400mm; the diameter of the second gas extraction pipe is phi 280mm.
6. The pneumatic telescoping device of a corner hanging pipe on a stope of claim 1, wherein a sliding sleeve seal is adopted between the first gas extraction pipe and the second gas extraction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322810338.0U CN220815737U (en) | 2023-10-19 | 2023-10-19 | Pneumatic telescopic device for upper corner suspension pipe of stope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322810338.0U CN220815737U (en) | 2023-10-19 | 2023-10-19 | Pneumatic telescopic device for upper corner suspension pipe of stope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220815737U true CN220815737U (en) | 2024-04-19 |
Family
ID=90710290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322810338.0U Active CN220815737U (en) | 2023-10-19 | 2023-10-19 | Pneumatic telescopic device for upper corner suspension pipe of stope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220815737U (en) |
-
2023
- 2023-10-19 CN CN202322810338.0U patent/CN220815737U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220815737U (en) | Pneumatic telescopic device for upper corner suspension pipe of stope | |
| CN103216209B (en) | Packer in tubing and casing sealing propertytest pipe | |
| CN105298986B (en) | The elongated telescopic oil cylinder of loop wheel machine | |
| CN214007130U (en) | Quick plug fracturing manifold | |
| CN204060771U (en) | The controlled mash gas extraction device of actual mining face goaf pipe laying classification | |
| CN202417537U (en) | Anti-leakage single hydraulic prop | |
| CN110185458B (en) | Bidirectional shield launching method | |
| CN105134137B (en) | Hydraulic oil pumping device | |
| CN105089631A (en) | Horizontal well rod conveying dynamic logging method | |
| CN205277350U (en) | Oil well multistage hydraulic sleeve pipe prosthetic devices | |
| CN204573414U (en) | A kind of can the stope filling pipe joint of long-range dismounting | |
| WO2019042026A1 (en) | Protection pipe for gas-extraction surface borehole in mining area | |
| CN111636839B (en) | Coal mine excavation cement pipe crack repairing device and repairing method thereof | |
| CN212945836U (en) | Automatic steel pipe chamfering device for gas spring outer sleeve | |
| CN114673482A (en) | Portable system of patrolling and examining in 5G wisdom colliery | |
| CN209875204U (en) | Dust removing device | |
| CN206418988U (en) | A kind of shale gas well boll-weevil hanger and the shale gas gas production system containing the hanger | |
| CN210858780U (en) | A flexible dryer for colliery tunnelling working face | |
| CN210918970U (en) | Acidification packer | |
| CN209697770U (en) | A kind of underground coal mine single track hanging beam takes bending apparatus with portable | |
| CN104676167A (en) | Remote detachment type stope filling pipe joint | |
| CN113184681A (en) | Steel pipe installation and lifting device of shield tunneling machine | |
| CN203796210U (en) | Wellhead sealing device for communication | |
| CN215292576U (en) | Retractable drawing and releasing device for upper corner drawing and releasing system | |
| CN202508767U (en) | Round pipe-shaped telescopic lifting appliance mounting rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |