CN219344730U - Shock wave-resistant damage ventilation device - Google Patents
Shock wave-resistant damage ventilation device Download PDFInfo
- Publication number
- CN219344730U CN219344730U CN202222556115.1U CN202222556115U CN219344730U CN 219344730 U CN219344730 U CN 219344730U CN 202222556115 U CN202222556115 U CN 202222556115U CN 219344730 U CN219344730 U CN 219344730U
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- shock wave
- ventilation device
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- roadway
- connecting pieces
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- 230000035939 shock Effects 0.000 title claims abstract description 45
- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 5
- 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 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 230000001066 destructive effect Effects 0.000 claims 2
- 238000005422 blasting Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides an anti-impact wave damage ventilation device. The shock wave damage resistant ventilation device includes: the connecting blocks are arranged at intervals, and the connecting blocks are enclosed into a polygonal array; the connecting pieces are multiple, adjacent connecting blocks are connected through the connecting pieces, and the connecting blocks positioned at the top end of the polygonal array are connected with the inner side wall of the top of the roadway through the connecting pieces, so that the connecting blocks are suspended in the roadway; the two ends of the connecting piece are respectively connected with the circumferential side wall of the roadway, the connecting pieces which are relatively positioned above the polygonal array on the hanging direction of the connecting pieces are close to the connecting pieces positioned below the polygonal array, and the shielding piece is arranged at intervals between the length direction of the roadway and the connecting pieces and is close to the air outlet of the roadway relative to the connecting pieces. The utility model solves the problem that the tunnel temporary sealing device is easily damaged by blasting shock waves in the prior art.
Description
Technical Field
The utility model relates to the field of coal mining equipment, in particular to a shock wave damage resistant ventilation device.
Background
In order to ensure reasonable and stable operation of the mine ventilation system, the production-free tunnel is temporarily closed according to production requirements. Most of conventional sealing materials use wood boards, but the wood boards are light and poor in blasting impact wave resistance, so that the wood boards are easy to collapse or even collapse due to the shock wave, gas in a sealing space overflows, and great hidden trouble is brought to safe production. The adhesive tape curtain is difficult to hang in the guniting roadway, no fixed place is arranged at the top, and the hanging is not firm enough, so that potential safety hazard is brought. When the blasting place is close, the hung adhesive tape curtain is lifted up violently, so that impact effect can be generated on the wood board wall, and facilities are damaged.
Therefore, the problem that the temporary tunnel sealing device is easily damaged by blasting shock waves exists in the prior art.
Disclosure of Invention
The utility model mainly aims to provide a shock wave damage-resistant ventilation device, which aims to solve the problem that a temporary tunnel sealing device in the prior art is easily damaged by blasting shock waves.
In order to achieve the above object, according to one aspect of the present utility model, there is provided an impact wave damage resistant ventilation device comprising: the connecting blocks are arranged at intervals, and the connecting blocks are enclosed into a polygonal array; the connecting pieces are multiple, adjacent connecting blocks are connected through the connecting pieces, and the connecting blocks positioned at the top end of the polygonal array are connected with the inner side wall of the top of the roadway through the connecting pieces, so that the connecting blocks are suspended in the roadway; the two ends of the connecting piece are respectively connected with the circumferential side wall of the roadway, the connecting pieces which are relatively positioned above the polygonal array on the hanging direction of the connecting pieces are close to the connecting pieces positioned below the polygonal array, and the shielding piece is arranged at intervals between the length direction of the roadway and the connecting pieces and is close to the air outlet of the roadway relative to the connecting pieces.
Further, the edge of one side, facing the roadway, of at least one connecting block in the plurality of connecting blocks positioned at the edge of the polygonal array is provided with an avoidance notch.
Further, the connecting piece comprises a chain, and adjacent connecting blocks or the inner side walls at the tops of the connecting block tunnels are connected through the chain.
Further, the chain is a galvanized chain.
Further, the opposite corners of adjacent connection blocks are connected by a chain.
Further, the diameter of the chain is 10mm or more, and the length of the chain is 200mm or more.
Further, the connecting piece still includes bolt and nut, and the chain passes through bolt and nut to be connected with the connecting block, and the connecting block corresponds the bolt and has the mounting hole.
Further, the connection block is a flame retardant tape.
Further, the shielding pieces are multiple, and the shielding pieces are arranged at intervals along the hanging direction of the connecting blocks.
Further, the shielding piece is a galvanized steel wire rope.
By applying the technical scheme of the utility model, the shock wave damage resistant ventilation device comprises a connecting block, a connecting piece and a shielding piece. The plurality of connecting blocks are arranged at intervals, and the plurality of connecting blocks enclose a polygonal array; the connecting pieces are multiple, adjacent connecting blocks are connected through the connecting pieces, and the connecting blocks positioned at the top end of the polygonal array are connected with the inner side wall of the top of the roadway through the connecting pieces, so that the connecting pieces are suspended in the roadway; the both ends of connecting piece are connected with the circumference lateral wall in tunnel respectively, and the connecting block that the shielding piece is located the top of polygon array relatively in the direction of hanging of a plurality of connecting blocks is close to the connecting block that is located the below of polygon array, and shielding piece sets up and is close to the air outlet in tunnel relatively the connecting block with the connecting block interval in the length direction in tunnel.
When using shock wave damage ventilation unit in this application, because shock wave damage ventilation unit has a plurality of connecting blocks and connecting piece, so can link together different connecting blocks through the connecting piece, through still can hang the top in the sealed tunnel of area with all connecting blocks that link together through the connecting piece. In addition, the purpose of the polygonal array enclosed by the connecting blocks in the application is to adapt to the shape of the section of the roadway. Therefore, the polygonal array has a structure with a narrow upper side and a wide lower side, so as to adapt to the cross-sectional shape of the roadway. And because the shock wave damage ventilation device in the application is further provided with the shielding piece, when the shock wave appears in the tunnel due to blasting, the shielding piece can shield the whole lower parts of the connecting blocks connected together so as to prevent the shock wave damage ventilation device from being thrown outwards to hurt people or damage the sealing. Therefore, the shock wave damage resistant ventilation device has the advantages of convenient installation, recycling, low maintenance cost and the like. Therefore, the shock wave damage resistant ventilation device in the application effectively solves the problem that the tunnel temporary sealing device in the prior art is easily damaged by blasting shock waves.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 shows a schematic structure of an impact wave damage resistant ventilating device according to an embodiment of the present utility model.
Wherein the above figures include the following reference numerals:
10. a connecting block; 20. and a connecting piece.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
In order to solve the problem that a tunnel temporary sealing device is easily damaged by blasting impact waves in the prior art, the application provides an impact wave damage resistant ventilation device.
As shown in fig. 1, the shock wave damage resistant ventilation device in the present application includes a connection block 10, a connection member 20, and a shielding member. The number of the connecting blocks 10 is multiple, the connecting blocks 10 are arranged at intervals, and the connecting blocks 10 are enclosed into a polygonal array; the connecting pieces 20 are multiple, adjacent connecting blocks 10 are connected through the connecting pieces 20, and the connecting blocks 10 positioned at the top end of the polygonal array are connected with the inner side wall of the top of the roadway through the connecting pieces 20, so that the connecting blocks 10 are suspended in the roadway; the both ends of connecting piece 20 are connected with the circumference lateral wall in tunnel respectively, and the connecting block 10 that the shielding piece is located the top of polygon array relatively in the direction of hanging of a plurality of connecting blocks 10 is close to the connecting block 10 that is located the below of polygon array, and shielding piece sets up with connecting block 10 interval and is close to the air outlet in tunnel relatively connecting block 10 in the length direction in tunnel.
When the shock wave damage prevention ventilating device is used, since the shock wave damage prevention ventilating device is provided with a plurality of connecting blocks 10 and connecting pieces 20, different connecting blocks 10 can be connected together through the connecting pieces 20, and all the connecting blocks 10 connected together can be suspended at the top of a roadway with a closed zone through the connecting pieces 20. Also, the purpose of the plurality of connection blocks 10 enclosing a polygonal array in this application is to accommodate the shape of the roadway cross section. Therefore, the polygonal array has a structure with a narrow upper side and a wide lower side, so as to adapt to the cross-sectional shape of the roadway. Because the shock wave damage ventilation device in the application is further provided with the shielding piece, when the shock wave appears in the roadway due to blasting, the shielding piece can shield the whole lower parts of the connecting blocks 10 connected together so as to prevent the shock wave damage ventilation device from being thrown outwards to hurt people or damage the sealing. Therefore, the shock wave damage resistant ventilation device has the advantages of convenient installation, recycling, low maintenance cost and the like. Therefore, the shock wave damage resistant ventilation device in the application effectively solves the problem that the tunnel temporary sealing device in the prior art is easily damaged by blasting shock waves.
Specifically, at least one connecting block 10 of the plurality of connecting blocks 10 located at the edge of the polygonal array has a relief notch at the edge of the side facing the roadway. Because the top of the cross section of the tunnel is arc-shaped in general, the shape formed by the connecting blocks 10 and the connecting pieces 20 can be ensured to be more fit with the cross section of the tunnel by arranging the avoidance notch. Thereby ensuring that the shock wave damage resisting ventilation device is easier to install. Alternatively, the shape of the connection block 10 located at the edge of the array and the shape of the other connection blocks 10 may be different in this application.
Specifically, the connecting members 20 include chains, and adjacent connecting blocks 10 or inner side walls of the roadway tops of the connecting blocks 10 are connected by the chains. By this arrangement, the stability of connection between the plurality of connection blocks 10 can be effectively ensured, and thus, the connection between the connection blocks 10 connected to each other can be prevented from being broken by the shock wave when the ventilation device is impacted by the shock wave. And further, the service performance and the service life of the shock wave-resistant damage ventilation device are effectively ensured through the arrangement.
Preferably, the chain is a galvanized chain.
Optionally, adjacent connection blocks 10 are connected at opposite corners by chains. By such an arrangement, it can be ensured that the connection block 10 can be connected more easily when the connection block 10 is connected using the connection member 20.
Optionally, the diameter of the chain is greater than or equal to 10mm, and the length of the chain is greater than or equal to 200mm.
Optionally, the connecting piece 20 further includes a bolt and a nut, the chain is connected to the connecting block 10 through the bolt and the nut, and the connecting block 10 has a mounting hole corresponding to the bolt. Through the arrangement, the stability of connection between the connecting piece 20 and the connecting block 10 can be effectively ensured, so that separation between the connecting block 10 and the connecting piece 20 can be effectively prevented, and the working strength of maintenance personnel can be reduced.
Optionally, the connection block 10 is a flame retardant tape. Because the shock wave damage resistant ventilation device is generally applied to a coal mine tunnel, the safety in the tunnel can be effectively ensured by adopting the flame retardant adhesive tape as the connecting block 10.
Preferably, the number of blinders is plural, and the plurality of blinders are arranged at intervals along the hanging direction of the plurality of connection blocks 10.
Optionally, the shield is a galvanized steel wire.
In a specific embodiment of the present application, when the shock wave damage resisting ventilation device is manufactured, a square block with 800mm fire retardant adhesive tape manufacturing specification of the mining belt conveyor is adopted as the connecting block 10, two 6mm holes are drilled on four sides of the square block respectively, and the distances between the upper side, the lower side, the left side and the right side are the same so as to be connected by a chain. A galvanized chain with the specification of 10mm is adopted, and the chain is cut into 200mm long for standby. The tape blocks were connected in series with a chain using M6 x 20 hex bolts. And the specific number of blocks in series is determined by the roadway height. And the left and right sides of the adhesive tape blocks which are connected in series by adopting M6 x 20 hexagon bolts and chains are respectively connected to form a curtain-shaped facility with 200mm of vertical and horizontal spacing of the regular adhesive tape blocks. And the number of the serial connection is determined by the roadway width. According to different tunnel sections, splicing the adhesive tape square blocks into a full section impact-resistant shock wave curtain-shaped facility for the closed tunnel. According to the empirical value, 18m 2 The section tunnel is hung and is arranged at the position 2 meters outside the temporary closed wall surface optimally, a galvanized steel wire rope with the diameter larger than 5mm is pulled on the back surface of the adhesive tape curtain at the position 1 meter away from the ground, namely a shielding piece, two ends of the rope are fixed on the left and right tunnel sides, and the lower part of the adhesive tape curtain is prevented from being thrown out of the impact plate wall.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
1. the installation is convenient, the recycling and the maintenance cost is low;
2. effectively solves the problem that the tunnel temporary sealing device in the prior art is easily damaged by blasting shock waves.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A shock wave destructive ventilation device, comprising:
the connecting blocks (10) are arranged at intervals, and the connecting blocks (10) are enclosed into a polygonal array;
the connecting pieces (20), the connecting pieces (20) are a plurality of, adjacent connecting blocks (10) are connected through the connecting pieces (20), and the connecting blocks (10) positioned at the top end of the polygonal array are connected with the inner side wall of the top of the roadway through the connecting pieces (20), so that the connecting blocks (10) are suspended in the roadway;
the shielding piece, the both ends of connecting piece (20) respectively with the circumference lateral wall in tunnel is connected, shielding piece is a plurality of on the direction of hanging of connecting block (10) relatively be located connecting block (10) of polygon array top are close to be located connecting block (10) of polygon array below, just shielding piece in the length direction in tunnel with connecting block (10) interval sets up and relatively connecting block (10) are close to the air outlet in tunnel.
2. The shock wave damage resistant ventilation device according to claim 1, characterized in that at least one (10) of the connection blocks (10) located at the edges of the polygonal array has a relief notch towards the edge of the side of the roadway.
3. The shock wave-resistant break ventilation device according to claim 1, characterized in that the connection piece (20) comprises a chain, between adjacent connection blocks (10) or between the inner side walls of the connection blocks (10) at the top of the roadway.
4. A shock wave damage resistant ventilation device according to claim 3, wherein the chain is a galvanized chain.
5. A shock wave destructive ventilation device according to claim 3, characterized in that adjacent said connection blocks (10) are connected at opposite corners by said chains.
6. A shock wave damage resistant ventilating device according to claim 3, wherein the diameter of the chain is 10mm or more and the length of the chain is 200mm or more.
7. A shock wave damage resistant ventilation device according to claim 3, characterized in that the connection piece (20) further comprises a bolt and a nut, the chain being connected with the connection block (10) by means of the bolt and the nut, the connection block (10) having a mounting hole for the bolt.
8. The shock wave-resistant break ventilation device according to any one of claims 1 to 7, characterized in that the connection block (10) is a flame retardant adhesive tape.
9. The shock wave resistant break ventilation device according to any one of claims 1 to 7, wherein the number of the shielding members is plural, and the plural shielding members are arranged at intervals along the hanging direction of the plural connection blocks (10).
10. The shock wave damage resistant ventilation device according to any one of claims 1 to 7, wherein the shield is a galvanized steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556115.1U CN219344730U (en) | 2022-09-27 | 2022-09-27 | Shock wave-resistant damage ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556115.1U CN219344730U (en) | 2022-09-27 | 2022-09-27 | Shock wave-resistant damage ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219344730U true CN219344730U (en) | 2023-07-14 |
Family
ID=87100074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222556115.1U Active CN219344730U (en) | 2022-09-27 | 2022-09-27 | Shock wave-resistant damage ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219344730U (en) |
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2022
- 2022-09-27 CN CN202222556115.1U patent/CN219344730U/en active Active
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