Anti-tearing mining air duct cloth
By coating the surface of the mine ventilation duct cloth with PVC modified material, setting a waterproof layer and a tear-resistant layer, and installing internal reinforcing ribs and fixing plates and chucks at both ends, the problem of soft and easily damaged ventilation duct cloth material is solved, and the strength and durability are improved, as well as the installation is convenient.
Patent Information
- Application Number
- CN202520062236.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-12
AI Technical Summary
The existing ventilation duct fabric used in mines is relatively soft and is easily squeezed and worn during mining operations, which affects the ventilation effect and service life.
The duct fabric is coated with PVC modified material, with a waterproof and tear-resistant layer on the outside and reinforcing ribs inside. It is equipped with fixing plates and chucks at both ends, and is connected by rotating teeth in the annular cavity. It is also equipped with sealing grooves and sealing rings to enhance the connection strength and prevent gas leakage.
The strength, durability, and tear resistance of the ventilation duct fabric have been enhanced, and the connection strength and impact resistance have been improved, ensuring normal gas flow and facilitating installation and disassembly.
Smart Images

Figure CN223608571U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mine ventilation equipment technical field especially relates to a tear -resistant type mine air duct cloth. BACKGROUND
[0002] In the field of mine ventilation equipment, air duct cloth is an important component for guiding air flow. The existing mine air duct cloth is usually composed of a coated base cloth woven from high-strength polyester glass fiber, with a PVC modified material coated on the surface. This air duct cloth has the characteristics of light weight, folding resistance, rapid processing, and easy repair, and therefore is widely used in mines.
[0003] After searching, the Chinese patent publication No. CN210217808U discloses a mine dust isolation type air duct cloth, which includes an array of skeletons and an air duct cloth covering the outside of the skeletons. The inside of the skeleton is symmetrically connected with a ring, and the ring is inserted with a connecting rod. The inside of the connecting rod is provided with a plurality of filter screens connected with the skeleton. The utility model sets up the ring and the connecting rod inserted in the ring, which facilitates the collection of the air duct cloth and avoids the scattering of the air duct cloth after collection. The array of filter screens meets the dust isolation in the air duct and ensures the use effect of the air duct. The sealing cover outside the connecting ring improves the sealing of the connecting ring and reduces the leakage during use. The multi-layer structure design of the air duct cloth improves the noise reduction, anti-static and wear resistance of the air duct cloth.
[0004] The above-mentioned device meets the dust isolation in the air duct through the array of filter screens arranged, but the air duct cloth material is soft and is easily extruded and worn during mine operation, which affects the air guiding effect and service life of the air duct cloth. Therefore, a tear-resistant type mine air duct cloth is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a tear-resistant type mine air duct cloth, which aims to improve the problem that the air duct cloth material is soft in the prior art, which is easily extruded and worn during mine operation, thereby affecting the air guiding effect and service life of the air duct cloth.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tear-resistant type mine air duct cloth, which includes an air duct cloth body. The outer side wall of the air duct cloth body is provided with a PVC modified material. The outer side wall of the PVC modified material is provided with a waterproof layer. The outer side wall of the waterproof layer is provided with a tear-resistant layer. The middle part of the air duct cloth body is fixedly connected with a plurality of uniformly distributed reinforcing ribs. The inner side wall of the air duct cloth body is provided with a heat insulation layer. The left and right sides of the air duct cloth body are fixedly connected with connecting rings. The left end of the left connecting ring is provided with a quick release assembly.
[0007] As a further description of the above technical solutions:
[0008] The quick release assembly comprises a first connecting pipe, a right end of the first connecting pipe is fixedly connected to a left end of the connecting ring, an outer side wall of the first connecting pipe is fixedly connected with a fixed disc, a middle part of the fixed disc is provided with an annular cavity, an inner side wall left end of the annular cavity is fixedly connected with a plurality of uniformly distributed baffles, a right end of the connecting ring is fixedly connected with a second connecting pipe, an outer side wall of the second connecting pipe is fixedly connected with a chuck, and a right end of the chuck is fixedly connected with a plurality of uniformly distributed teeth.
[0009] As a further description of the above technical solutions:
[0010] The outer side walls of the plurality of teeth are rotationally connected to the inner side wall of the annular cavity.
[0011] As a further description of the above technical solutions:
[0012] A middle right end of the chuck is provided with a sealing groove, and an inner side wall of the sealing groove is fixedly connected with a sealing ring.
[0013] As a further description of the above technical solutions:
[0014] A middle part of the outer side of the air duct cloth body is fixedly connected with a supporting ring.
[0015] As a further description of the above technical solutions:
[0016] The outer side wall of the supporting ring is provided with a wear-resistant layer.
[0017] The utility model has the advantages of the following beneficial effects:
[0018] 1. In the utility model, the PVC modified material is coated on the surface of the air duct cloth body, which can enhance the strength of the air duct cloth body. The waterproof layer arranged on the outer peripheral surface of the air duct cloth body can enhance its durability. The tear-resistant layer arranged on the air duct cloth body can improve the tear resistance of the air duct cloth body. The reinforcing ribs arranged inside the air duct body can effectively improve the connection strength and impact resistance of the air duct cloth body.
[0019] 2. In the utility model, the fixed disc and the chuck are installed at both ends of the air duct cloth body. The annular cavity is arranged on the fixed disc, and the teeth are fixed on the chuck. The teeth rotate in the annular cavity, and the baffles fixed on the edge of the annular cavity limit the teeth, so that the fixed disc and the chuck can be connected together, and the installation and disassembly are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 A perspective view of the tear-resistant mine air duct cloth is provided.
[0021] Figure 2 A kind of anti-tear type mine air duct cloth's air duct cloth body sectional view is proposed in the utility model;
[0022] Figure 3 A kind of anti-tear type mine air duct cloth's fixing disc schematic view is proposed in the utility model;
[0023] Figure 4 A kind of anti-tear type mine air duct cloth's chuck schematic view is proposed in the utility model.
[0024] Legend:
[0025] 1, air duct cloth body;2, PVC modified material;3, waterproof layer;4, tear-resistant layer;5, reinforcing rib;6, heat insulation layer;7, connecting ring;8, quick-release assembly;801, first connecting pipe;802, fixing disc;803, annular cavity;804, baffle;805, second connecting pipe;806, chuck;807, gear teeth;9, sealing groove;10, sealing ring;11, support ring;12, wear-resistant layer. Specific embodiments
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0027] With reference to Figure 1 and Figure 2 , the utility model provides an embodiment: a kind of anti-tear type mine air duct cloth, including air duct cloth body 1, the outer side wall of air duct cloth body 1 is provided with PVC modified material 2, the outer side wall of PVC modified material 2 is provided with waterproof layer 3, the outer side wall of waterproof layer 3 is provided with tear-resistant layer 4, the middle part of air duct cloth body 1 is fixedly connected with multiple reinforcing ribs 5 that are evenly distributed, the inner side wall of air duct cloth body 1 is provided with heat insulation layer 6, the left and right sides of air duct cloth body 1 are fixedly connected with connecting ring 7, the left end of left connecting ring 7 is provided with quick-release assembly 8;
[0028] Specifically: by the middle part of air duct cloth body 1 fixedly connected with multiple reinforcing ribs 5 that are evenly distributed, the connecting strength and impact resistance of air duct cloth body 1 can be effectively improved, and by the inner side wall of air duct cloth body 1 is provided with heat insulation layer 6, air duct cloth body 1 can long time high-temperature gas is discharged.
[0029] With reference to Figure 1 , Figure 3 andFigure 4 The quick release assembly 8 comprises a first connecting pipe 801, the right end of the first connecting pipe 801 is fixedly connected to the left end of the connecting ring 7, the outer side wall of the first connecting pipe 801 is fixedly connected with a fixed disc 802, the middle part of the fixed disc 802 is provided with an annular cavity 803, the inner side wall of the annular cavity 803 is fixedly connected with a plurality of evenly distributed baffles 804 at the left end, the right end of the right connecting ring 7 is fixedly connected with a second connecting pipe 805, the outer side wall of the second connecting pipe 805 is fixedly connected with a chuck 806, the right end of the chuck 806 is fixedly connected with a plurality of evenly distributed teeth 807; the outer side wall of the plurality of teeth 807 is rotatably connected to the inner side wall of the annular cavity 803; the middle right end of the chuck 806 is provided with a sealing groove 9, the inner side wall of the sealing groove 9 is fixedly connected with a sealing ring 10;
[0030] Specifically: a sealing groove 9 is specially provided at the middle right end of the chuck 806, and a sealing ring 10 is fixedly connected to the inner side wall of the sealing groove 9. The sealing ring 10 can effectively prevent the gas inside the air duct cloth body 1 from leaking when the chuck 806 and the fixed disc 802 are connected, thereby ensuring the normal circulation of the gas.
[0031] Reference Figure 1 The middle part of the outer side of the air duct cloth body 1 is fixedly connected with a support ring 11; the outer side wall of the support ring 11 is provided with a wear-resistant layer 12.
[0032] Specifically: by equidistantly arranging the support ring 11 on the outer side of the air duct cloth body 1, the stability of the structure can be enhanced.
[0033] Working principle: the surface of the air duct cloth body 1 is coated with PVC modified material 2, which can enhance the strength of the air duct cloth body 1, and the waterproof layer 3 arranged on the outer peripheral surface of the air duct cloth body 1 can enhance its durability, and the tear-resistant layer 4 arranged on the air duct cloth body 1 can improve the tear resistance of the air duct cloth body 1, and the reinforcing ribs 5 arranged inside the air duct body 1 can effectively improve the connection strength and impact resistance of the air duct cloth body 1, and the fixed disc 802 and the chuck 806 are installed at both ends of the air duct cloth body 1, the annular cavity 803 is provided on the fixed disc 802, and the teeth 807 are fixed on the chuck 806, the teeth 807 rotate in the annular cavity 803, and then the baffles 804 fixed on the edge of the annular cavity 803 limit the teeth 807, so that the fixed disc 802 and the chuck 806 are connected together, which is convenient for installation and disassembly;
[0034] Meanwhile, a sealing groove 9 is formed at the right end of the middle part of the chuck 806, and a sealing ring 10 is fixedly connected to the inner side wall of the sealing groove 9, which can effectively prevent the gas in the inner part of the air duct cloth body 1 from leaking when the chuck 806 is connected to the fixing disc 802, thereby ensuring the normal circulation of the gas.
[0035] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A tear and pull resistant mine duster cloth comprising a duster cloth body (1) characterized in that: The outer side wall of the wind cylinder cloth body (1) is provided with a PVC modified material (2), the outer side wall of the PVC modified material (2) is provided with a waterproof layer (3), the outer side wall of the waterproof layer (3) is provided with a tear-resistant layer (4), the middle part of the wind cylinder cloth body (1) is fixedly connected with a plurality of uniformly distributed reinforcing ribs (5), the inner side wall of the wind cylinder cloth body (1) is provided with a heat insulation layer (6), and the left and right sides of the wind cylinder cloth body (1) are fixedly connected with connecting rings (7); the left end of the left connecting ring (7) is provided with a quick release assembly (8).
2. A mine duster fabric of claim 1, wherein: The quick release assembly (8) comprises a first connecting pipe (801), the right end of the first connecting pipe (801) is fixedly connected to the left end of the connecting ring (7), the outer side wall of the first connecting pipe (801) is fixedly connected with a fixed disc (802), the middle part of the fixed disc (802) is provided with an annular cavity (803), the inner side wall of the annular cavity (803) is fixedly connected with a plurality of uniformly distributed baffles (804), the right end of the right connecting ring (7) is fixedly connected with a second connecting pipe (805), the outer side wall of the second connecting pipe (805) is fixedly connected with a chuck (806), and the right end of the chuck (806) is fixedly connected with a plurality of uniformly distributed teeth (807).
3. A mine duster fabric of claim 2, wherein: The outer side wall of the plurality of teeth (807) is rotatably connected to the inner side wall of the annular cavity (803).
4. A mine duster fabric of claim 2, wherein: The middle right end of the chuck (806) is provided with a sealing groove (9), and the inner side wall of the sealing groove (9) is fixedly connected with a sealing ring (10).
5. A mine duster fabric of claim 1, wherein: The middle part of the outer side wall of the wind cylinder cloth body (1) is fixedly connected with a supporting ring (11).
6. A mine duster fabric of claim 5, wherein: The outer side wall of the supporting ring (11) is provided with a wear-resistant layer (12).
Citation Information
Patent Citations
Mining dust isolation type air duct cloth
CN210217808U