CN210396788U

CN210396788U - Coal mining retractable dryer

Info

Publication number: CN210396788U
Application number: CN201921515795.4U
Authority: CN
Inventors: 杨波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-24
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to the technical field of coal mine air ducts, in particular to a coal mine mining telescopic air duct which is convenient to fixedly install and has stronger wear resistance, thereby greatly prolonging the service life and improving the practicability; including the sleeve pipe, the inner tube, the fixed lantern ring of first fixed lantern ring and second, the right-hand member of inner tube inserts intraduct from the sheathed tube left end, and transversely be provided with the first spout of multiunit horizontally on the lateral wall of inner tube, sheathed tube inside wall left end is provided with the first slider of multiunit, transversely be provided with the second spout of multiunit horizontally on the sheathed tube inside wall, the lateral wall right-hand member of inner tube is provided with the multiunit second slider, the multiunit second slider slides respectively and sets up in the multiunit second spout, the top and the bottom of the fixed lantern ring of first fixed lantern ring and second all are provided with the installation ear, and all be provided with fixed stock on two sets of installation ears, the left end of inner tube and sheathed tube right-hand member all are provided with the connecting pipe.

Description

Coal mining retractable dryer

Technical Field

The utility model relates to a technical field of colliery dryer especially relates to a coal mining retractable dryer.

Background

As is well known, a coal mining retractable air duct is an auxiliary device for conveying fresh air to a working surface in a coal mine, avoiding gas explosion, improving safety, and providing fresh breathing air for workers, and is widely used in the field of coal mining; present coal mining retractable dryer comprises canvas and support steel ring, because it can freely stretch out and draw back and buckle, facilitates the use, generally uses in the coal mining process, but because the dryer adopts soft structure, inconvenient fixes the dryer to the dryer, and the dryer drives down along the warp direction of dryer and carries out concertina movement at wind-force, and the wall in canvas and the colliery rubs, makes the canvas layer damage easily, and life is lower, leads to the practicality lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a coal mining retractable dryer, it conveniently carries out fixed mounting to the resistance to wear is stronger, and increase of service life improves the practicality greatly.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a telescopic air duct for coal mining comprises a casing, an inner pipe, a first fixed lantern ring and a second fixed lantern ring, wherein the right end of the inner pipe is inserted into the casing from the left end of the casing, a plurality of groups of horizontal first chutes are transversely arranged on the outer side wall of the inner pipe, a plurality of groups of first sliding blocks are arranged at the left end of the inner side wall of the casing, the plurality of groups of first sliding blocks are respectively arranged in the plurality of groups of first chutes in a sliding manner, a plurality of groups of horizontal second chutes are transversely arranged on the inner side wall of the casing, a plurality of groups of second sliding blocks are arranged at the right end of the outer side wall of the inner pipe, the plurality of groups of second sliding blocks are respectively arranged in the plurality of groups of second chutes in a sliding manner, the first fixed lantern ring is sleeved on the outer side of the inner pipe, a plurality of groups of first limiting sliding blocks are respectively arranged in the plurality of groups of first, transversely be provided with multiunit horizontally third spout on the sheathed tube lateral wall, the inner circle of the fixed lantern ring of second is provided with multiunit second limit slide, multiunit second limit slide slides respectively and sets up in multiunit third spout, and the top and the bottom of the fixed lantern ring of first fixed lantern ring and second all are provided with the installation ear to all be provided with fixed stock on two sets of installation ears, the left end of inner tube and sheathed tube right-hand member all are provided with the connecting pipe, the connecting pipe includes universal flexible pipe and hoop, universal flexible pipe passes through hoop and inner tube and sheathed tube end connection.

Preferably, still include multiunit fixing bolt, sheathed tube left end is provided with multiunit fixed screw, multiunit fixing bolt's tip is the spiral shell respectively and is passed multiunit fixed screw to the cover intraductally and all paste closely with the lateral wall of inner tube from the sheathed tube outside.

Preferably, still include first locking bolt and second locking bolt, be provided with first locking screw on the first fixed lantern ring, the tip spiral shell dress of first locking bolt passes first locking screw and pastes tightly with the lateral wall of inner tube, be provided with second locking screw on the fixed lantern ring of second, the tip spiral shell dress of second locking bolt passes second locking screw and pastes tightly with sheathed tube lateral wall.

Preferably, the inner pipe and the sleeve are both made of PVC plastic materials.

Preferably, the right end of the inner pipe is provided with a sealing ring, and the outer side of the sealing ring is in contact with the inner side wall of the sleeve.

Preferably, the plurality of groups of first sliding grooves are respectively arranged at intervals with the plurality of groups of second sliding grooves.

(III) advantageous effects

Compared with the prior art, the utility model provides a coal mining retractable dryer possesses following beneficial effect: this coal mining retractable dryer, inner tube and sleeve pipe through the rigidity mutually support, can adjust inner tube and sheathed tube total length, then the connecting pipe through both ends is connected multiunit inner tube and sleeve pipe, can turn to through the connecting pipe, thereby adapt to different ore ducts, fix inner tube and sleeve pipe through the fixed lantern ring of first fixed lantern ring and second, can fix inner tube and sleeve pipe on the lateral wall in colliery through the stock, conveniently carry out fixed mounting, the anti-wind ability reinforce, and wear resistance is stronger, greatly increase of service life, though the cost is higher than original canvas or flexible plastic dryer, but service life is several times higher than canvas and flexible plastic dryer, the maintenance cost is low, the cost is saved to the totality, the high practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic view of the present invention at a portion B of fig. 1;

FIG. 4 is a schematic cross-sectional view of the inner tube and sleeve connection of the present invention;

in the drawings, the reference numbers: 1. a sleeve; 2. an inner tube; 3. a first fixed collar; 4. a second stationary collar; 5. a first chute; 6. a first slider; 7. a second chute; 8. a second slider; 9. a first limit slide block; 10. a third chute; 11. a second limit slide block; 12. mounting lugs; 13. fixing an anchor rod; 14. a universal telescopic pipe; 15. a hoop; 16. fixing the bolt; 17. a first locking bolt; 18. a second locking bolt; 19. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the retractable wind tunnel for coal mining of the present invention comprises a casing 1, an inner tube 2, a first fixed lantern ring 3, and a second fixed lantern ring 4, wherein the right end of the inner tube 2 is inserted into the casing 1 from the left end of the casing 1, and a plurality of sets of horizontal first chutes 5 are transversely disposed on the outer sidewall of the inner tube 2, the left end of the inner sidewall of the casing 1 is provided with a plurality of sets of first sliders 6, the plurality of sets of first sliders 6 are respectively slidably disposed in the plurality of sets of first chutes 5, a plurality of sets of horizontal second chutes 7 are transversely disposed on the inner sidewall of the casing 1, the right end of the outer sidewall of the inner tube 2 is provided with a plurality of sets of second sliders 8, the plurality of sets of second sliders 8 are respectively slidably disposed in the plurality of sets of second chutes 7, the first fixed lantern ring 3 is sleeved on the outer side of the inner tube 2, and the plurality of sets of first limiting sliders 9 are respectively slidably disposed in the, the second fixed lantern ring 4 is sleeved outside the sleeve 1, a plurality of groups of horizontal third sliding grooves 10 are transversely arranged on the outer side wall of the sleeve 1, a plurality of groups of second limiting sliding blocks 11 are arranged on the inner ring of the second fixed lantern ring 4, the plurality of groups of second limiting sliding blocks 11 are respectively arranged in the plurality of groups of third sliding grooves 10 in a sliding manner, mounting lugs 12 are respectively arranged at the top end and the bottom end of the first fixed lantern ring 3 and the second fixed lantern ring 4, fixed anchor rods 13 are respectively arranged on the two groups of mounting lugs 12, connecting pipes are respectively arranged at the left end of the inner pipe 2 and the right end of the sleeve 1, each connecting pipe comprises a universal telescopic pipe 14 and a hoop 15, and the universal telescopic pipe 14 is connected with the inner pipe 2; through the inner tube 2 and the sleeve pipe 1 of rigidity mutually support, can adjust inner tube 2 and sleeve pipe 1's total length, then the connecting pipe through both ends is connected multiunit inner tube 2 and sleeve pipe 1, can turn to through the connecting pipe, thereby adapt to different ore tracts, fix inner tube 2 and sleeve pipe 1 through the fixed lantern ring of first fixed lantern ring 3 and second 4, can fix inner tube 2 and sleeve pipe 1 on the lateral wall in colliery through the stock, conveniently carry out fixed mounting, the wind resistance can the reinforce, and wear resistance is stronger, greatly prolonged service life, though the cost is higher than original canvas or flexible plastic dryer, but service life is several times higher than canvas and flexible plastic dryer, the maintenance cost is low, generally calculate and get down and save the cost, improve the practicality.

The utility model discloses a coal mining retractable dryer, still include multiunit fixing bolt 16, the left end of sleeve pipe 1 is provided with multiunit fixed screw, the tip of multiunit fixing bolt 16 is from the outside of sleeve pipe 1 respectively the spiral shell dress pass multiunit fixed screw to the sleeve pipe 1 in and all paste tightly with the lateral wall of inner tube 2; the inner tube 2 and the sleeve 1 can be fixed by means of fixing bolts 16.

The utility model discloses a coal mining retractable dryer still includes first locking bolt 17 and second locking bolt 18, is provided with first locking screw on the first fixed lantern ring 3, and the tip spiral shell dress of first locking bolt 17 passes first locking screw and pastes tightly with the lateral wall of inner tube 2, is provided with second locking screw on the second fixed lantern ring 4, and the tip spiral shell dress of second locking bolt 18 passes second locking screw and pastes tightly with the lateral wall of sleeve pipe 1; the first fixing collar 3 can slide along the inner tube 2 and then fix the first fixing collar 3 with the inner tube 2 by means of the first locking bolt 17, and the second fixing collar 4 can slide along the sleeve 1 and then fix the second fixing collar 4 with the sleeve 1 by means of the second locking bolt 18.

The utility model relates to a coal mining telescopic wind tube, the inner tube 2 and the sleeve 1 are made of PVC plastic material; the material is light, the strength is higher, and the abrasion resistance is good.

The utility model relates to a coal mining telescopic wind tube, the right end of an inner tube 2 is provided with a sealing ring 19, and the outer side of the sealing ring 19 is contacted with the inner side wall of a sleeve 1; the sealing ring 19 prevents the joint between the inner tube 2 and the sleeve 1 from being exposed to wind.

The utility model discloses a coal mining telescopic air duct, a plurality of groups of first chutes 5 are respectively arranged at intervals with a plurality of groups of second chutes 7; the stability between the inner pipe 2 and the sleeve 1 is improved.

The utility model relates to a coal mining telescopic air duct, when using, through the mutual cooperation of rigid inner tube 2 and sleeve 1, can adjust the total length of inner tube 2 and sleeve 1, then connect multiunit inner tube 2 and sleeve 1 through the connecting pipe at both ends, can turn to through the connecting pipe, thereby adapt to different ore ducts, fix inner tube 2 and sleeve 1 through first fixed lantern ring 3 and second fixed lantern ring 4, can fix inner tube 2 and sleeve 1 on the lateral wall of coal mine through the stock, conveniently carry out fixed mounting, the wind resistance is strong, and the wearability is stronger, greatly prolong the life, although the cost is higher than original canvas or flexible plastic air duct, the service life is several times higher than canvas and flexible plastic air duct, the maintenance cost is low, the total cost is saved, improve the practicality, the inner pipe 2 and the sleeve 1 can be fixed through the fixing bolt 16, the first fixing lantern ring 3 can slide along the inner pipe 2, then the first fixing lantern ring 3 and the inner pipe 2 are fixed through the first locking bolt 17, the second fixing lantern ring 4 can slide along the sleeve 1, then the second fixing lantern ring 4 and the sleeve 1 are fixed through the second locking bolt 18, and the condition that the wind runs out at the joint of the inner pipe 2 and the sleeve 1 can be prevented through the sealing ring 19.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The telescopic air duct for coal mining is characterized by comprising a sleeve (1), an inner tube (2), a first fixed lantern ring (3) and a second fixed lantern ring (4), wherein the right end of the inner tube (2) is inserted into the sleeve (1) from the left end of the sleeve (1), a plurality of groups of horizontal first sliding chutes (5) are transversely arranged on the outer side wall of the inner tube (2), a plurality of groups of first sliding blocks (6) are arranged at the left end of the inner side wall of the sleeve (1), the plurality of groups of first sliding blocks (6) are respectively arranged in the plurality of groups of first sliding chutes (5) in a sliding manner, a plurality of groups of horizontal second sliding chutes (7) are transversely arranged on the inner side wall of the sleeve (1), a plurality of groups of second sliding blocks (8) are arranged at the right end of the outer side wall of the inner tube (2), the plurality of groups of second sliding blocks (8) are respectively arranged in the plurality of groups of second sliding chutes (7) in a sliding, a plurality of groups of first limiting slide blocks (9) are arranged on the inner ring of the first fixed lantern ring (3), the plurality of groups of first limiting slide blocks (9) are respectively arranged in the plurality of groups of first sliding grooves (5) in a sliding manner, the second fixed lantern ring (4) is sleeved on the outer side of the sleeve (1), a plurality of groups of horizontal third sliding grooves (10) are transversely arranged on the outer side wall of the sleeve (1), a plurality of groups of second limiting slide blocks (11) are arranged on the inner ring of the second fixed lantern ring (4), the plurality of groups of second limiting slide blocks (11) are respectively arranged in the plurality of groups of third sliding grooves (10) in a sliding manner, mounting lugs (12) are respectively arranged at the top end and the bottom end of the first fixed lantern ring (3) and the second fixed lantern ring (4), fixing anchor rods (13) are respectively arranged on the two groups of mounting lugs (12), and connecting pipes are respectively arranged at the left end, the connecting pipe comprises a universal telescopic pipe (14) and a hoop (15), and the universal telescopic pipe (14) is connected with the end parts of the inner pipe (2) and the sleeve (1) through the hoop (15).

2. The coal mining telescopic air duct according to claim 1, characterized by further comprising a plurality of sets of fixing bolts (16), the left end of the casing (1) is provided with a plurality of sets of fixing screw holes, and the ends of the plurality of sets of fixing bolts (16) are respectively screwed from the outer side of the casing (1) through the plurality of sets of fixing screw holes into the casing (1) and are all attached to the outer side wall of the inner pipe (2).

3. The coal mining telescopic air duct according to claim 2, characterized by further comprising a first locking bolt (17) and a second locking bolt (18), wherein the first fixing sleeve ring (3) is provided with a first locking screw hole, the end portion of the first locking bolt (17) is screwed to penetrate through the first locking screw hole and tightly attached to the outer side wall of the inner tube (2), the second fixing sleeve ring (4) is provided with a second locking screw hole, and the end portion of the second locking bolt (18) is screwed to penetrate through the second locking screw hole and tightly attached to the outer side wall of the sleeve (1).

4. The coal mining telescopic air duct according to claim 3, characterized in that the inner pipe (2) and the sleeve (1) are both made of PVC plastic.

5. The coal mining telescopic air duct according to claim 4, characterized in that a sealing ring (19) is arranged at the right end of the inner pipe (2), and the outer side of the sealing ring (19) is in contact with the inner side wall of the sleeve (1).

6. The coal mining telescopic air duct according to claim 5, characterized in that the multiple groups of first chutes (5) are respectively arranged at intervals with the multiple groups of second chutes (7).