CN213743486U

CN213743486U - Mining flexible dryer

Info

Publication number: CN213743486U
Application number: CN202022876425.2U
Authority: CN
Inventors: 汤冲冲; 吕振; 杨飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-20
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a mining telescopic air duct, which comprises a plurality of air duct monomers which are connected in a butt joint way; the air duct monomer comprises a multilayer barrel and connecting mechanisms fixed at two ends of the multilayer barrel; the multilayer cylinder comprises a glass fiber layer, a base layer and a protective rubber layer which are arranged from inside to outside, the connecting mechanism comprises a first clamping ring and a second clamping ring which are positioned at two ends of the multilayer cylinder, and the telescopic air duct provided by the utility model consists of a plurality of air duct monomers; when in use, the corresponding number of the air duct monomers are connected in series according to the required length; when a certain air duct monomer is damaged, the air duct monomer can be detached for quick replacement, so that the whole air duct is prevented from being scrapped; the air duct monomer has a multilayer structure to ensure the use of the air duct; the efficiency of dryer installation dismantlement and maintenance has not only been improved to its connection leakproofness is high, has reduced dryer air leakage rate, has guaranteed interior exhaust system's of ore deposit way stability.

Description

Mining flexible dryer

Technical Field

The utility model relates to a mining production technical equipment field, concretely relates to mining flexible dryer.

Background

The wind cone is a flexible pipeline which is used for coal mines, tunnels, subway engineering and underground parts and guides wind flow to flow along a certain direction. The negative pressure wind tube means that when the wind tube works, the atmospheric pressure in the tube body is lower than the atmospheric pressure in the tube body, and the negative pressure wind tube is generally used for draw-out type guiding ventilation.

In the prior art, the negative pressure air duct comprises a duct body and a metal framework for supporting the duct body, wherein the duct body is formed by sequentially connecting a plurality of duct sections, and the duct body is fixed at the top of the roadway through a retaining ring or an expansion bolt. The negative pressure air duct in the prior art has the following defects: firstly, the metal framework has larger weight, and at least 3-4 people are required to install simultaneously when adjacent air ducts are connected, so that the labor intensity of high-altitude construction is increased, and the air ducts are inconvenient to move, install and disassemble and cannot flexibly adapt to the requirements of different ventilation conditions of a coal mine; secondly, the space in the mine is limited, and when a large air duct is butted, the air duct is easy to fall from high altitude, so that safety accidents are caused; thirdly, the metal framework is easy to be dislocated under the wind pressure, the problems of high air leakage rate, flat air duct suction and the like are easily caused, and the recovery performance after dislocation is poor, so that the whole air duct cannot be used and scrapped, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims to provide a mining flexible dryer, not only the installation is used in a flexible way to easy to assemble dismantlement and maintenance have guaranteed the normal use of dryer.

The utility model adopts the technical proposal that: a mining telescopic air duct comprises a plurality of air duct units which are in butt joint connection; the air duct monomer comprises a multilayer barrel and connecting mechanisms fixed at two ends of the multilayer barrel; the multilayer cylinder body comprises a glass fiber layer, a base layer and a protective rubber layer which are arranged from inside to outside, wherein an elastic woven mesh is pressed in the base layer; the connecting mechanism comprises a first clamping ring and a second clamping ring which are positioned at two ends of the multilayer cylinder body, the inner wall of the first clamping ring is provided with a clamping step, and the inner wall of the clamping step is provided with a plurality of elastic clamping protrusions which are arranged around the axis of the clamping ring; the end part of the second clamping ring is provided with a clamping joint which can be clamped into the clamping ladder, and the outer peripheral surface of the clamping joint is provided with clamping grooves which are arranged in one-to-one correspondence with the elastic clamping protrusions; the end part of the first clamping ring is further rotatably provided with a connecting ring, the inner wall of the connecting ring is provided with a connecting internal thread, and the outer peripheral surface of the second clamping ring is further provided with a connecting external thread matched with the connecting internal thread.

In the technical scheme: the whole telescopic air duct is composed of a plurality of air duct monomers, and when the telescopic air duct is used, the corresponding number of air duct monomers are connected in series according to the required length; when a certain air duct monomer is damaged, the air duct monomer can be detached for quick replacement, so that the whole air duct is prevented from being scrapped; the air duct monomer in the technical scheme has a multilayer structure; the protective rubber layer of the multilayer cylinder can protect the base layer, the base layer is prevented from leaking outwards, the base layer is not easy to wear, the protective rubber layer has good sealing performance, ventilation efficiency can be guaranteed, the glass fiber layer has good heat resistance, corrosion resistance of the multilayer cylinder can be improved, and the woven mesh has elasticity, so that the multilayer cylinder can be stretched and retracted, and storage is facilitated; and the length of the multilayer cylinder body can be extended in the using process, the multilayer cylinder body is prevented from being torn and broken, and the use of the air duct is ensured.

The clamping rings of the air duct monomers realize quick and stable connection; when two adjacent air duct monomers are connected, the clamping head of the second clamping ring can be clamped into the clamping step of the first clamping ring, and the elastic clamping protrusion and the clamping groove are clamped to form positioning connection; the connection rapidity of the single air duct body is ensured; in order to prevent the clamping ring from falling off, the connecting ring and the second clamping ring form a threaded connection, so that the firmness and the tightness of the connection are ensured.

This technical scheme has improved the efficiency that the dryer installation was dismantled and was maintained, and its connection leakproofness is high, has reduced the dryer rate of leaking out, has improved the security, has prolonged the life of dryer, has reduced manufacturing cost, has guaranteed interior exhaust system's of ore deposit way stability, has created good ore deposit way operational environment.

Preferably, still be equipped with the clamping ring that encircles first clamping ring and second clamping ring axis and arrange on the periphery of first clamping ring and second clamping ring, be equipped with the vaulting pole between first clamping ring and the second clamping ring, the both ends and the clamping ring joint adaptation of vaulting pole.

Preferably, the end of the first clamping ring is provided with a connecting groove arranged around the first clamping ring, and one end of the connecting ring is provided with a mounting protrusion clamped into the connecting groove.

Preferably, the clamping ladder and the clamping ladder head are attached with sealing rings.

Preferably, the upper ends of the first clamping ring and the second clamping ring are provided with hanging openings.

Preferably, the connecting ring is provided with a plurality of rotating pieces arranged in a rotating manner on the periphery.

Preferably, the multilayer cylinder body is sleeved with a plurality of hoops, and the inner diameter of each hoop is smaller than the outer diameter of the multilayer cylinder body.

Preferably, each of the outer surfaces of the hoops is provided with a reflective layer.

Preferably, the surface of the protective rubber layer is provided with a wear-resistant and anti-skid layer.

The utility model has the advantages that: the utility model provides a mine congestion telescopic air duct which is composed of a plurality of air duct monomers, and when in use, the air duct monomers with corresponding quantity are connected in series according to the required length; when a certain air duct monomer is damaged, the air duct monomer can be detached for quick replacement, so that the whole air duct is prevented from being scrapped; the air duct monomer has a multilayer structure to ensure the use of the air duct; the clamping rings of the air duct monomers realize quick and stable connection; the utility model not only improves the efficiency of the wind barrel installation, disassembly and maintenance, but also has high connection sealing performance, reduces the wind leakage rate of the wind barrel, improves the safety, ensures the stability of the ventilation system in the mine tunnel, and creates a good mine tunnel working environment; has higher practical value and popularization value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a structural diagram of a mining telescopic wind tunnel according to an embodiment of the present invention.

Reference numerals: the multi-layer cylinder comprises a multi-layer cylinder body 100, a first clamping ring 200, a clamping step 210, a second clamping ring 300, a clamping joint 310, a clamping groove 311, a connecting groove 320, a connecting ring 400, a rotating sheet 410, a stay rod 500, a hoop 600, a sealing ring 700 and a hanging opening 800.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, and substantially lies in the connection relationship between hardware. The present invention is described for better illustration of the function and method for better understanding of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1, the mining telescopic air duct provided in this embodiment includes a plurality of air duct units connected in a butt joint manner; the whole telescopic air duct is composed of a plurality of air duct monomers, and when the telescopic air duct is used, the corresponding number of air duct monomers are connected in series according to the required length; can dismantle after certain dryer monomer damages and carry out quick replacement to avoid scrapping whole dryer. Specifically, the air duct unit comprises a multilayer barrel 100 and a connecting mechanism fixed at two ends of the multilayer barrel 100; the multilayer cylinder body 100 comprises a glass fiber layer, a base layer and a protective rubber layer which are arranged from inside to outside, wherein an elastic woven mesh is pressed in the base layer; thus, the protective rubber layer of the multi-layer cylinder 100 can protect the base layer, the base layer is prevented from leaking outside, the base layer is not easy to wear, the protective rubber layer has good sealing performance, ventilation efficiency can be guaranteed, the glass fiber layer has good heat resistance, corrosion resistance of the multi-layer cylinder 100 can be improved, and the woven mesh has elasticity, so that the multi-layer cylinder 100 has scalability, and is beneficial to storage; and the length of the multilayer cylinder 100 can be extended in the using process, so that the multilayer cylinder 100 is prevented from being torn and broken, and the use of the air duct is ensured. Because the dryer is in daily use, its top layer inevitably takes place the friction with the ore deposit way, and this embodiment is equipped with wear-resisting skid resistant course on the protection rubber layer surface. The wear-resistant effect is improved through the wear-resistant anti-slip layer, and the occurrence of damage is avoided.

As shown in fig. 1, in order to improve the convenience of installation and disassembly, the connection mechanism in this embodiment includes a first snap ring 200 and a second snap ring 300 located at two ends of the multi-layer cylinder 100, a snap step 210 is provided on an inner wall of the first snap ring 200, and a plurality of elastic snap protrusions arranged around an axis of the snap ring are provided on an inner wall of the snap step 210; the end of the second clamping ring 300 is provided with a clamping joint 310 which can be clamped into the clamping ladder 210, and the outer circumferential surface of the clamping joint 310 is provided with clamping grooves 311 which are arranged in one-to-one correspondence with the elastic clamping protrusions; the end of the first snap ring 200 is further rotatably provided with a connecting ring 400, the inner wall of the connecting ring 400 is provided with a connecting internal thread, and the outer peripheral surface of the second snap ring 300 is further provided with a connecting external thread matched with the connecting internal thread. Thus, when two adjacent air duct units are connected, the clamping joint 310 of the second clamping ring 300 can be clamped into the clamping step 210 of the first clamping ring 200, and the elastic clamping protrusion and the clamping groove 311 are clamped to form positioning connection; the connection rapidity of the single air duct body is ensured; in order to prevent the connection from falling off, the connection ring 400 and the second snap ring 300 form a threaded connection, so that the connection firmness and the sealing performance are ensured.

As shown in fig. 1, the telescopic air duct in the embodiment significantly improves the installation, disassembly and maintenance efficiency of the air duct, and the connection sealing property is high, so that the air leakage rate of the air duct is reduced, the safety is improved, the service life of the air duct is prolonged, the production cost is reduced, the stability of an air extraction system in a mine tunnel is ensured, and a good mine tunnel working environment is created.

As mentioned above, since the air duct single body has flexibility, in order to ensure that the air duct is completely unfolded when in use, in this embodiment, a connection ring arranged around the axes of the first clamping ring 200 and the second clamping ring 300 is further provided on the peripheries of the first clamping ring 200 and the second clamping ring 300, a support rod 500 is provided between the first clamping ring 200 and the second clamping ring 300, and two ends of the support rod 500 are in clamping fit with the connection ring. Thus, the air duct frame can be formed by the support pull rod 500, the structural strength can be improved, and the telescopic air duct can be completely unfolded, so that the use quantity of single air ducts is reduced; in this embodiment, the stay rod 500 can be made of engineering plastic, so that the overall weight can be reduced while the stay rod has structural strength.

As described above, the connection ring 400 is rotatably installed on the first snap ring 200, and in order to prevent the rotation ring from falling off, the embodiment is provided with the connection groove 320 arranged around the first snap ring 200 at the end of the first snap ring 200, and one end of the connection ring 400 is provided with the installation protrusion movably snapped into the connection groove 320. Thus, the connection groove 320 can stably mount the connection ring 400, thereby preventing the connection ring from falling off.

As shown in fig. 1, when the air duct unit is connected, the sealing performance should be ensured to prevent air leakage, and in this embodiment, a sealing ring 700 is attached to the clamping step 210 and the clamping step head. Thus, after the first snap ring 200 and the second snap ring 300 are completely butted, the sealing ring 700 can fill the gap between the two snap rings to realize sealing connection.

As shown in fig. 1, in practical applications, the telescopic air duct is usually installed on the top wall of the mine tunnel, and the upper ends of the first snap ring 200 and the second snap ring 300 in this embodiment are provided with hanging openings 800. Thus, each air duct unit can be hung on the top wall of the mine tunnel through the hanging opening 800.

As shown in fig. 1, the connection ring 400 is rotated to be in threaded connection with the second snap ring 300 during use, and in order to facilitate rotation, the connection ring 400 is provided with rotation pieces 410 arranged in a rotation manner on the outer circumference thereof.

As shown in fig. 1, in order to facilitate the accommodation of each single air duct, the multi-layer cylinder 100 of the present embodiment is sleeved with a plurality of hoops 600, and the inner diameter of the hoops 600 is smaller than the outer diameter of the multi-layer cylinder 100. Thus, the inner diameter of the hoop 600 is smaller, the multilayer cylinder 100 can be extruded to be in an inclined state, so that the stretching is facilitated, the same crease of the multilayer cylinder 100 can be ensured, the multilayer cylinder is not easy to be inclined, and the placement area is reduced; in addition, each of the hoops 600 is provided with a reflective layer on the outer surface. When the ambient light of the mine tunnel is low, the position of the air duct can be displayed through the reflecting layer; avoiding the occurrence of collision.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A mining telescopic air duct comprises a plurality of air duct units which are in butt joint connection; the method is characterized in that: the air duct monomer comprises a multilayer barrel (100) and connecting mechanisms fixed at two ends of the multilayer barrel (100);

the multilayer cylinder body (100) comprises a glass fiber layer, a base layer and a protective rubber layer which are arranged from inside to outside, wherein an elastic woven mesh is pressed in the base layer;

the connecting mechanism comprises a first clamping ring (200) and a second clamping ring (300) which are positioned at two ends of the multilayer cylinder body (100), a clamping step (210) is arranged on the inner wall of the first clamping ring (200), and a plurality of elastic clamping protrusions which are arranged around the axis of the clamping ring are arranged on the inner wall of the clamping step (210); the end part of the second clamping ring (300) is provided with a clamping connector (310) which can be clamped into the clamping ladder (210), and the outer peripheral surface of the clamping connector (310) is provided with clamping grooves (311) which are arranged in one-to-one correspondence with the elastic clamping protrusions; the end part of the first clamping ring (200) is further rotatably provided with a connecting ring (400), the inner wall of the connecting ring (400) is provided with a connecting internal thread, and the outer peripheral surface of the second clamping ring (300) is further provided with a connecting external thread matched with the connecting internal thread.

2. The mining telescopic air duct of claim 1, characterized in that: still be equipped with the clamping ring who encircles first clamping ring (200) and second clamping ring (300) axis and arrange in the periphery of first clamping ring (200) and second clamping ring (300), be equipped with between first clamping ring (200) and second clamping ring (300) and prop pull rod (500), prop the both ends and the clamping ring joint adaptation of pull rod (500).

3. The mining telescopic air duct of claim 1, characterized in that: the end of the first clamping ring (200) is provided with a connecting groove (320) arranged around the first clamping ring (200), and one end of the connecting ring (400) is provided with a mounting protrusion movably clamped into the connecting groove (320).

4. The mining telescopic air duct of claim 1, characterized in that: and a sealing ring (700) is attached to the clamping step (210) and the clamping step head.

5. The mining telescopic air duct of claim 1, characterized in that: the upper ends of the first clamping ring (200) and the second clamping ring (300) are provided with hanging openings (800).

6. The mining telescopic air duct of claim 1, characterized in that: the periphery of the connecting ring (400) is provided with rotating sheets (410) which are arranged in a rotating manner.

7. The mining telescopic air duct of claim 1, characterized in that: the multilayer cylinder body (100) is sleeved with a plurality of hoops (600), and the inner diameter of each hoop (600) is smaller than the outer diameter of the multilayer cylinder body (100).

8. The mining telescopic air duct of claim 7, characterized in that: the outer surface of each hoop (600) is provided with a reflective layer.

9. The mining telescopic air duct of claim 1, characterized in that: and a wear-resistant anti-slip layer is arranged on the surface of the protective rubber layer.