CN218962122U

CN218962122U - Ventilation and dust removal device for coal mine operation

Info

Publication number: CN218962122U
Application number: CN202223268094.XU
Authority: CN
Inventors: 张晨阳; 陈虎虎; 王宏; 马伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-05
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of coal mine operation, and discloses a ventilation and dust removal device for coal mine operation, which comprises a ventilation pipeline, wherein an operation block is fixedly assembled on two symmetrical inner walls of the ventilation pipeline, a rotating cavity is arranged in the operation block, a traction groove is formed in the side surface of the operation block, the traction groove is communicated with the rotating cavity, a screw rod is movably assembled on the rotating cavity, one end of the screw rod movably penetrates through the operation block and the ventilation pipeline, a first chain wheel is fixedly assembled on one end of the screw rod, a threaded sleeve is fixedly assembled on the screw rod, sliding blocks are movably assembled on the threaded sleeve, scraping blades are fixedly assembled on one ends of the two sliding blocks, and the ventilation and dust removal device for coal mine operation solves the problem that a filter screen in the ventilation and dust removal device for the coal mine operation is easy to be blocked in the use process by the cooperation of the screw rod and the scraping blades.

Description

Ventilation and dust removal device for coal mine operation

Technical Field

The utility model relates to the technical field of coal mine operation, in particular to a ventilation and dust removal device for coal mine operation.

Background

The coal mine is an area where people mine coal resources in a mining area rich in coal, the coal mine can be divided into an underground coal mine and an open pit coal mine according to different mining modes, wherein the underground coal mine is used for mining coal in a mode of underground mining tunnel, a large amount of harmful gases and dust such as gas and the like can be generated in the tunnel in the process of mining coal, and if the harmful gases and dust are not treated in time, the health of workers is adversely affected, the health and the life safety of the workers are seriously endangered, and therefore, the ventilation and dust removal device for coal mine operation is needed to treat the air in the tunnel.

However, the existing ventilation and dust removal device for coal mine operation has the following problems in the using process:

the condition that the filter screen in the pipeline is easy to be blocked in the using process of the existing ventilation dust removing device, the use of the ventilation dust removing device is not affected in time by cleaning the filter screen, and therefore the ventilation dust removing device for coal mine operation is necessary in the technical field of the existing coal mine operation.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problem that the filter screen inside a pipeline is easy to be blocked in the using process of the existing ventilation dust removing device, and the use of the ventilation dust removing device is not affected in time by the cleaning of the filter screen, the utility model provides the ventilation dust removing device for coal mine operation, which has the advantages of being convenient for cleaning the filter screen and improving the using effect of the ventilation dust removing device so as to solve the problem proposed by the background technology.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a colliery operation ventilation dust collector, including the air pipe, the equal fixed mounting of two inner walls of air pipe's symmetry have the operation piece, the inside of operation piece all is provided with the rotation chamber, the side of operation piece all is provided with the traction groove, traction groove and rotation chamber communicate, equal movable mounting has the lead screw on the rotation chamber, the one end of lead screw all runs through operation piece and air pipe, and the one end of lead screw is fixed being equipped with first sprocket, first sprocket is located air pipe's top, equal screw thread is equipped with the screw sleeve on the lead screw, the screw sleeve is located the rotation chamber, equal fixed mounting has the sliding block on the screw sleeve, the sliding block carries out movable mounting with traction groove, the one end fixed mounting of two sliding blocks is equipped with the scraper blade, rotate in the screw sleeve through the lead screw for the sliding block moves in the traction groove, make things convenient for the sliding block to drive the scraper blade to remove, air pipe's inner wall fixed mounting have the filtration pore on the filtration net, the filtration pore is laminated with the scraper blade, the bottom of air pipe is fixed being equipped with dust removing funnel, the inside bottom surface of air pipe is provided with the feed inlet, the inside bottom surface of feed inlet and the inside of air pipe are located the filter screen, and the exhaust fan is close to the filter screen of the inside of air pipe is equipped with the filter screen.

Preferably, the equal fixed mounting of two inner walls of air pipe's symmetry have the fixed plate, and the fixed plate is located one side of operation piece, equal fixed mounting has the installation tube on the fixed plate, and the equal movable mounting of one end of installation tube has the inserted bar, and the one end of inserted bar removes in the inside of installation tube, and the one end fixed mounting of two inserted bars has the traction block, is equipped with telescopic spring on installation tube and the inserted bar, and telescopic spring's both ends carry out fixed mounting with fixed plate and traction block respectively.

Preferably, the traction block is fixedly provided with a plurality of connecting rods, one ends of the connecting rods are fixedly provided with rubber striking blocks, and the connecting rods are positioned between the two operation blocks.

Preferably, the ventilating duct on the activity be equipped with the dwang, the fixed eccentric wheel that is equipped with in bottom of dwang, the eccentric wheel is located ventilating duct's inside, and the eccentric wheel is laminated with the traction block, the fixed second sprocket that is equipped with in top of dwang, the second sprocket is located ventilating duct's top.

Preferably, the second sprocket and the two first sprockets are wound with chains, the ventilating duct is fixedly provided with a fixing frame, the fixing frame is fixedly provided with an operation motor, the output end of the operation motor movably penetrates through the fixing frame, and the output end of the operation motor is fixedly assembled with the second sprocket.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the ventilation and dust removal device for coal mine operation, the exhaust fan is started, air in a mine cavity is ventilated through the inside of the ventilation pipeline, dust is attached to the surface of the operation motor, the second sprocket is enabled to rotate through starting of the operation motor, the first sprocket and the second sprocket rotate in the same direction under the transmission of the chain, the screw rod rotates in the threaded sleeve, the sliding block moves on the traction groove, and the scraping blade is convenient to scrape dust on the filter screen.

2. According to the ventilation and dust removal device for coal mine operation, the rotating rod drives the eccentric wheel to rotate, so that the eccentric wheel continuously pushes the traction block, the inserting rod moves in the installation tube, the telescopic spring contracts, the rubber striking block on the connecting rod strikes the filter screen, dust clamped in the filter hole shakes out, and the cleaning effect is improved.

Drawings

FIG. 1 is a schematic diagram of the front view structure of a ventilation and dust removal device for coal mine operation in the utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a ventilation and dust removal device for coal mine operation in the utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram showing a schematic top cross-sectional structure of a ventilation and dust removal device for coal mine operation in the utility model.

In the figure:

10. a ventilation duct; 11. a dust collection funnel; 12. a screw rod; 13. a first sprocket;

20. a rotating lever; 21. a second sprocket; 22. a chain; 23. a fixing frame;

30. operating the motor; 31. a filter screen; 32. a filter hole; 33. an exhaust fan;

40. an operation block; 41. a feed inlet; 42. a rotating chamber; 43. a traction groove;

50. a threaded sleeve; 51. a sliding block; 52. a doctor blade; 53. a fixing plate;

60. installing a pipe; 61. a rod; 62. a traction block; 63. a telescopic spring;

70. an eccentric wheel; 71. a connecting rod; 72. a rubber striking block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 4, which are schematic structural views of a ventilation and dust removal device for coal mine operation according to a preferred embodiment of the present utility model, the ventilation and dust removal device for coal mine operation according to this embodiment of the present utility model includes a ventilation duct 10, two symmetrical inner walls of the ventilation duct 10 are fixedly equipped with operation blocks 40, a rotation cavity 42 is provided in each operation block 40, traction grooves 43 communicating with the rotation cavity 42 are provided on the sides of the operation blocks 40, screw rods 12 are movably equipped in each rotation cavity 42, one ends of the screw rods 12 movably penetrate through the operation blocks 40 and the ventilation duct 10, one ends of the screw rods 12 are fixedly equipped with first sprockets 13, the first sprockets 13 are located above the ventilation duct 10, screw sleeves 50 located in the rotation cavity 42 are fixedly equipped on the screw rods 12, sliding blocks 51 moving in the traction grooves 43 are fixedly equipped on the screw sleeves 50, and scraping blades 52 are fixedly equipped on one ends of the two sliding blocks 51.

The two symmetrical inner walls of the ventilation pipeline 10 are fixedly provided with fixing plates 53, the fixing plates 53 are located on one side of the operation block 40, the fixing plates 53 are fixedly provided with mounting pipes 60, one ends of the mounting pipes 60 are movably provided with inserting rods 61, one ends of the inserting rods 61 move in the mounting pipes 60, one ends of the two inserting rods 61 are fixedly provided with traction blocks 62, telescopic springs 63 are fixedly arranged between the fixing plates 53 and the traction blocks 62, and the mounting pipes 60 and the inserting rods 61 are arranged in the telescopic springs 63.

The traction block 62 is fixedly provided with a plurality of connecting rods 71, one ends of the connecting rods 71 are fixedly provided with rubber striking blocks 72, and the connecting rods 71 are positioned between the two operating blocks 40.

The ventilation pipeline 10 is movably provided with a rotating rod 20, the bottom of the rotating rod 20 is fixedly provided with an eccentric wheel 70 which is attached to the traction block 62, the eccentric wheel 70 is positioned in the ventilation pipeline 10, the top of the rotating rod 20 is fixedly provided with a second chain wheel 21, and the second chain wheel 21 is positioned above the ventilation pipeline 10.

The second chain wheel 21 and the two first chain wheels 13 are wound with a chain 22, a fixing frame 23 is fixedly assembled on the ventilation pipeline 10, an operation motor 30 is fixedly assembled on the fixing frame 23, the output end of the operation motor 30 movably penetrates through the fixing frame 23, and the output end of the operation motor 30 is fixedly assembled with the second chain wheel 21.

The inner wall fixed mounting of air pipe 10 has filter screen 31, be provided with filter hole 32 on the filter screen 31, filter hole 32 is laminated with doctor blade 52, and rubber hits the surface upper portion that the piece 72 all is close to filter screen 31, the bottom fixed mounting of air pipe 10 has dust hopper 11, the inside bottom surface of air pipe 10 is provided with the feed inlet 41 that communicates with the inside of dust hopper 11, and feed inlet 41 is close to filter screen 31, the inner wall fixed mounting of air pipe 10 has exhaust fan 33, exhaust fan 33 is located one side of filter screen 31.

In this embodiment, the exhaust fan 33 is started, the air in the mine cavity is ventilated through the ventilation pipeline 10, the dust is attached to the surface of the operation motor 30, the operation motor 30 is started to enable the second sprocket 21 to rotate, the first sprocket 13 and the second sprocket 21 rotate in the same direction under the transmission of the chain 22, the screw rod 12 rotates in the threaded sleeve 50, the sliding block 51 moves on the traction groove 43, the scraping blade 52 is convenient to scrape the dust on the filter screen 31, meanwhile, the rotating rod 20 drives the eccentric wheel 70 to rotate, the eccentric wheel 70 continuously pushes the traction block 62, the inserting rod 61 moves in the installation pipe 60, the telescopic spring 63 contracts, the rubber striking block 72 on the connecting rod 71 strikes the filter screen 31, so that the dust clamped into the filter hole 32 shakes out, and the cleaning effect is improved.

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

Claims

1. A ventilation and dust removal device for coal mine operation, which comprises a ventilation pipeline (10),

the method is characterized in that:

two symmetrical inner walls of the ventilating duct (10) are fixedly provided with an operating block (40), the inside of the operating block (40) is provided with a rotating cavity (42), the side face of the operating block (40) is provided with a traction groove (43), the traction groove (43) is communicated with the rotating cavity (42), a screw rod (12) is movably arranged on the rotating cavity (42), one end of the screw rod (12) movably penetrates through the operating block (40) and the ventilating duct (10), one end of the screw rod (12) is fixedly provided with a first chain wheel (13), the first chain wheel (13) is positioned above the ventilating duct (10), the screw rod (12) is provided with a threaded sleeve (50), the threaded sleeve (50) is positioned in the rotating cavity (42), the threaded sleeve (50) is fixedly provided with a sliding block (51), the sliding block (51) is movably assembled with the traction groove (43), one ends of the two sliding blocks (51) are fixedly provided with blades (52), the inner walls of the ventilating duct (10) are fixedly provided with a first chain wheel (13), the first chain wheel (13) is fixedly provided with a filter screen (31), the filter screen (32) is provided with a filter screen (32), the filter screen (32) is fixedly provided with a filter screen (11) and the filter screen (32) is fixedly provided with a vent hole (11) at the bottom of the ventilating duct (10), the inside bottom surface of air pipe (10) is provided with feed inlet (41), and feed inlet (41) communicates with the inside of dust removal funnel (11), and feed inlet (41) are close to filter screen (31), and the inner wall of air pipe (10) is fixed to be equipped with exhaust fan (33), and exhaust fan (33) are located one side of filter screen (31).

2. A ventilation and dust removal device for coal mine operation as claimed in claim 1, wherein: two inner walls of symmetry of air pipe (10) all fixed mounting have fixed plate (53), fixed plate (53) are located one side of operation piece (40), all fixed mounting has installation tube (60) on fixed plate (53), the equal movable mounting of one end of installation tube (60) has inserted bar (61), the one end of inserted bar (61) moves in the inside of installation tube (60), the one end fixed mounting of two inserted bars (61) has traction block (62), be equipped with expansion spring (63) on installation tube (60) and the inserted bar (61), the both ends of expansion spring (63) carry out fixed mounting with fixed plate (53) and traction block (62) respectively.

3. A ventilation and dust removal device for coal mine operation as claimed in claim 2, wherein: the traction block (62) is fixedly provided with a plurality of connecting rods (71), one ends of the connecting rods (71) are fixedly provided with rubber striking blocks (72), and the connecting rods (71) are positioned between the two operation blocks (40).

4. A ventilation and dust removal device for coal mine operation as claimed in claim 3, wherein: the utility model discloses a ventilating duct (10) on the activity be equipped with dwang (20), the fixed eccentric wheel (70) that is equipped with in bottom of dwang (20), eccentric wheel (70) are located the inside of ventilating duct (10), and eccentric wheel (70) laminate with traction block (62), the fixed second sprocket (21) that is equipped with in top of dwang (20), second sprocket (21) are located the top of ventilating duct (10).

5. The ventilation and dust removal device for coal mine operation as claimed in claim 4, wherein: the second chain wheels (21) and the two first chain wheels (13) are wound with chains (22), a fixing frame (23) is fixedly assembled on the ventilating duct (10), an operation motor (30) is fixedly assembled on the fixing frame (23), the output end of the operation motor (30) movably penetrates through the fixing frame (23), and the output end of the operation motor (30) and the second chain wheels (21) are fixedly assembled.