CN220151391U - Air film filling bag for coal mine - Google Patents
Air film filling bag for coal mine Download PDFInfo
- Publication number
- CN220151391U CN220151391U CN202321684984.0U CN202321684984U CN220151391U CN 220151391 U CN220151391 U CN 220151391U CN 202321684984 U CN202321684984 U CN 202321684984U CN 220151391 U CN220151391 U CN 220151391U
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- CN
- China
- Prior art keywords
- filling bag
- air film
- film filling
- bag body
- gas
- 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.)
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- 239000003245 coal Substances 0.000 title claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
Landscapes
- Bag Frames (AREA)
Abstract
The utility model discloses an air film filling bag for a coal mine, which comprises an air film filling bag body, wherein the air film filling bag body consists of an air film inner wall and an air film outer wall, a closed air filling cavity is formed between the air film inner wall and the air film outer wall, an air valve communicated with the air filling cavity is arranged on the air film filling bag body, and the upper top surface of the air film filling bag body is opened; when the air film filling bag is used, operators can place and inflate the air film filling bag under the shielding of the hydraulic support of the coal face, the air film filling bag does not need to enter a goaf, the safety of the working environment is greatly improved, meanwhile, the air film filling bag is inflated to be capable of being bulged and formed, the operation is simple and convenient, and the work efficiency is remarkably improved.
Description
Technical Field
The utility model relates to the technical field of filling of coal mine goaf, in particular to a gas film filling bag for a coal mine.
Background
In order to improve the resource recovery rate, reduce the influence of coal mining on ground facilities and meet the requirement of solid waste treatment, the filling green mining technology is widely applied to the mine field in China. Filling bags filled with filling materials are generally adopted to fill goafs formed after coal mining. However, most of the commonly used filling bags are flexible structures, and cannot be formed by self-supporting, in the prior art, after workers enter a goaf area to hang the filling bags in advance in a hanging mode for supporting and forming, filling materials can be injected into the filling bags, the hanging operation is complex, multiple workers are needed to cooperate for operation, and the risk is high and the efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an air film filling bag for a coal mine so as to solve the problems.
The aim of the utility model is realized by the following technical scheme:
the utility model provides a gas film filling bag for coal mine, includes the gas film filling bag body, the gas film filling bag body comprises gas film inner wall and gas film outer wall, form confined inflation cavity between gas film inner wall and the gas film outer wall, be equipped with the gas valve with inflation cavity intercommunication on the gas film filling bag body, the upper top surface of gas film filling bag body is uncovered to be set up.
In the above utility model, the air valve is further arranged on the side surface of the air film filling bag body, and the distance between the air valve and the bottom edge of the air film filling bag body is 0.3 m-1 m.
In the above utility model, further, a U-shaped clamping port is circumferentially arranged at one side of the gas filling valve connected with the gas film filling bag body, and the outer wall of the gas film is clamped in the U-shaped clamping port and is fixed in a sealing way through glue.
In the above utility model, further, the inner wall and the outer wall of the air film are made of high-temperature-resistant, antistatic and flame-retardant high-strength plastics.
In the above utility model, the thickness of the inflated air film filling bag body is 3cm to 8cm.
In the above utility model, the air film filling bag body is rectangular or cylindrical after being inflated.
In the above utility model, further, the air film filling bag body is provided with a buckle.
The beneficial effects of the utility model are as follows:
when the air film filling bag is used, operators can place and inflate the air film filling bag under the shielding of the hydraulic support of the coal face, the air film filling bag does not need to enter a goaf, the safety of the working environment is greatly improved, meanwhile, the air film filling bag is inflated to be capable of being bulged and formed, the operation is simple and convenient, and the work efficiency is remarkably improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of another embodiment of the present utility model;
FIG. 3 is a schematic diagram of the connection structure between the outer wall of the air film and the inflation valve.
In the figure, the 1-air film filling bag body, the 2-air film inner wall, the 3-air film outer wall, the 4-air filling cavity, the 5-air valve and the 6-U-shaped clamping connector.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
Examples:
referring to fig. 1-3, an air film filling bag for coal mine comprises an air film filling bag body 1, wherein the air film filling bag body 1 is composed of an air film inner wall 2 and an air film outer wall 3, a closed air filling cavity 4 is formed between the air film inner wall 2 and the air film outer wall 3, an air charging valve 5 communicated with the air filling cavity 4 is arranged on the air film filling bag body 1, the upper top surface of the air film filling bag body 1 is opened, the air charging valve 5 is used for charging air into the air filling cavity 4 until the air film filling bag body 1 is inflated to be opened, after the air film filling bag body 11 is completely opened to be formed, after charging is completed, the air charging valve 5 is closed, and filling materials are filled into the air film filling bag body 1 through the opening, so that goaf filling is achieved.
In the above embodiment, preferably, the air valve 5 is disposed on a side surface of the air film filling bag body 1, such that the air valve 5 faces the coal face side, and the air valve 5 is spaced from the bottom edge of the air film filling bag body 1 by 0.3m to 1m, so as to facilitate the air filling operation.
In the above embodiment, preferably, a U-shaped clamping port 6 is circumferentially arranged at one side of the air valve 5 connected with the air film filling bag body 1, as shown in fig. 3, the air film outer wall 3 is clamped in the U-shaped clamping port 6 and is sealed and fixed by glue, so that the air valve 5 is firmly connected with the air film outer wall 3, and the air leakage and slurry leakage are avoided, and the filling effect is affected.
In the above embodiment, preferably, the air film inner wall 2 and the air film outer wall 3 are made of high-temperature-resistant, antistatic and flame-retardant high-strength plastics, so that the service life of the air film filling bag body 1 is prolonged, and the plastic materials for making the air film inner wall 2 and the air film outer wall 3 are required to have good tightness, so that no air leakage is caused after inflation.
In the above embodiment, the thickness of the inflated air film filling bag body 1 is preferably 3cm to 8cm.
The air film filling bag body 1 is rectangular or cylindrical after being inflated, as shown in fig. 1 and fig. 2, specifically, the length of the air film filling bag of the cuboid is preferably a multiple of the width of the hydraulic support, the width is preferably a multiple of the cutting depth of the coal face, and the height is determined according to the filling height.
In the above embodiment, preferably, the air film filling bag body 1 is provided with a buckle (not labeled in the drawing), so that two adjacent air film filling bag bodies 1 are connected, and the buckle in this embodiment may be a common buckle in life, such as a buckle on a helmet, which is in the prior art, and this embodiment is not repeated.
In the above embodiment, preferably, the air film filling bag body is provided with a buckle (not labeled in the drawing) so as to be convenient for connection between the adjacent air film filling bag bodies 1, and the buckle in this embodiment may be a buckle common in life, such as a buckle on a safety helmet, and the buckle is in the prior art, which is not repeated in this embodiment.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. The utility model provides a gas film filling bag for coal mine, its characterized in that, including gas film filling bag body (1), gas film filling bag body (1) comprises gas film inner wall (2) and gas film outer wall (3), form confined gas filling cavity (4) between gas film inner wall (2) and gas film outer wall (3), be equipped with on gas film filling bag body (1) with gas filling cavity (4) intercommunication's gas valve (5), gas valve (5) are equipped with U type draw-in joint mouth (6) with gas film filling bag body (1) one side circumference that is connected, gas film outer wall (3) joint is fixed in U type draw-in joint mouth (6) and through glue is sealed, the upper top surface of gas film filling bag body (1) is opened and is set up.
2. The gas film filling bag for the coal mine as claimed in claim 1, wherein the gas filling valve (5) is arranged on the side face of the gas film filling bag body (1), and the gas filling valve (5) is 0.3 m-1 m away from the bottom edge of the gas film filling bag body (1).
3. The gas film filling bag for coal mines according to claim 1, wherein the gas film inner wall (2) and the gas film outer wall (3) are made of high-temperature-resistant, antistatic and flame-retardant high-strength plastics.
4. The gas film filling bag for coal mines according to claim 1, wherein the thickness of the gas film filling bag body (1) after inflation is 3 cm-8 cm.
5. The gas film filling bag for coal mines according to claim 4, wherein the gas film filling bag body (1) is rectangular or cylindrical after being inflated.
6. The air film filling bag for coal mines according to claim 5, wherein a buckle is arranged on the air film filling bag body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321684984.0U CN220151391U (en) | 2023-06-29 | 2023-06-29 | Air film filling bag for coal mine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321684984.0U CN220151391U (en) | 2023-06-29 | 2023-06-29 | Air film filling bag for coal mine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220151391U true CN220151391U (en) | 2023-12-08 |
Family
ID=89011483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321684984.0U Active CN220151391U (en) | 2023-06-29 | 2023-06-29 | Air film filling bag for coal mine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220151391U (en) |
-
2023
- 2023-06-29 CN CN202321684984.0U patent/CN220151391U/en active Active
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