CN219910840U - Ventilation device based on mine - Google Patents

Abstract

The utility model relates to the technical field of mine ventilation, and discloses a mine-based ventilation device, which comprises a ventilation pipe, a resetting piece, a mounting piece, a filtering piece and a collecting piece, wherein the ventilation pipe is arranged on the base of the ventilation pipe; a material dropping groove is formed in the bottom of the inner wall of the ventilation pipe, a collecting box is fixedly arranged at the bottom of the ventilation pipe, an installation piece is slidably arranged on the inner wall of the ventilation pipe through a resetting piece, and a fixing block positioned at the rear side of the installation piece is fixed at the bottom of the inner wall of the ventilation pipe; the reset piece comprises a sealing frame, and a guide post is fixedly arranged in the sealing frame. The device drives the clamping column to be clamped into the fixing groove, the extruded sealing ring is utilized to press the outer ring and the clamping column forwards, negative pressure wind generated by the device is enabled to act on the surface of the clamping column through the locking plate which is designed obliquely, the outer ring and the clamping column are kept to generate anticlockwise rotation moment along the axis of the outer ring and the clamping column, the clamping column is kept to be firmly clamped in the fixing groove, and the problems of loosening of a filter element and sealing failure caused by loosening can be effectively prevented.

Description

Ventilation device based on mine

Technical Field

The utility model relates to the technical field of mine ventilation, in particular to a mine-based ventilation device.

Background

The factors such as air non-circulation, dust diffusion and the like which are unfavorable for normal work of workers exist under the mine, so that the ventilation device is necessary to be additionally arranged, and at present, a relatively common negative pressure ventilation device is mainly used for ventilating and introducing fresh air under the mine, diluting dust air under the mine, and discharging and filtering dust generated by mining outwards so as to realize the healthy air circulation function under the mine; in the prior art, a filter screen for filtering dust in the pit is usually set to movable joint for being convenient for dismouting to remove the loaded down with trivial details process that the bolt installation brought, but this kind of design also brings another problem, how keep the filter screen fastening, the negative pressure that the fan produced also can produce pressure to the filter screen, at this moment be used for fixing the spring of filter screen can receive extra pressure, the result that causes is, just the spring of fixing the filter screen is because of the atress changes, can cause filter screen edge and joint part's nonconformity, not hard up, and not sealed problem, make the filter effect reduce.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a mine-based ventilation device which has the advantages of good fixing effect and long service life.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a ventilation device based on a mine comprises a ventilation pipe, a resetting piece, a mounting piece, a filtering piece and a collecting piece;

a blanking groove is formed in the bottom of the inner wall of the ventilation pipe, an installation piece is installed on the inner wall of the ventilation pipe in a sliding mode through a reset piece, and a fixed block positioned on the rear side of the installation piece is fixed at the bottom of the inner wall of the ventilation pipe;

the resetting piece comprises a sealing frame, a guide post is fixedly arranged in the sealing frame, a resetting spring and a mounting piece are movably sleeved on the outer surface of the guide post, and the sealing frame is fixedly arranged on the outer surface of the ventilation pipe;

the installation piece comprises a clamping ring, a holding groove is formed in the front face of the clamping ring, a clamping groove and a fixing groove are formed in the outer side of the front face of the clamping ring, a sealing ring is glued to the front face of the holding groove, a filter piece is movably clamped in the fixing groove, a protrusion is arranged on the outer surface of the clamping ring and slidably installed on the outer surface of the guide post, and a sealing plate is fixedly connected to the bottom of the rear side of the clamping ring;

the filter piece is including the outer loop, the surface fixedly connected with card post of outer loop, card post activity joint is inside the fixed slot, the interior ring face fixed mounting of outer loop has the filter screen, the front fixed mounting of outer loop has handle one and locking plate, the locking plate is anticlockwise slope design.

As a preferable technical scheme of the utility model, the collecting piece comprises a collecting box, a drawer is clamped in the collecting box in a sealing way, a second handle is fixedly arranged on the front face of the drawer, and the collecting box is arranged right below the blanking groove.

As a preferred embodiment of the present utility model, the seal ring is made of rubber blocks, and the seal ring is disposed between the outer ring and the placement groove by extrusion.

As a preferable technical scheme of the utility model, the locking plates are provided with four groups, the four groups of locking plates are equiangularly arranged on the outer side of the front face of the outer ring, and the number of each group of locking plates is eleven.

As a preferable technical scheme of the utility model, the outer diameter value of the outer ring is smaller than that of the placing groove, one end of the outer side of the clamping column is of semicircular design, and the clamping column is in limit contact with the inner walls of the clamping groove and the fixing groove.

As a preferable technical scheme of the utility model, the inner wall of the collecting box is fixedly provided with the flow guiding frame positioned above the drawer, the inner wall of the flow guiding frame is provided with a 45-degree inclined plane, and the top of the drawer is in limit contact with the bottom of the flow guiding frame.

As a preferable technical scheme of the utility model, two ends of the return spring are respectively and elastically connected with the clamping ring and the sealing frame, and the return spring is respectively and compressively arranged on the outer surface of the guide post.

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

1. the device guarantees the stability of the mounting piece after mounting by being provided with the mounting piece and the filtering piece, through the standing groove, the clamping groove and the fixing groove are respectively formed in the front face of the clamping ring, the outer ring is tightly attached to the sealing ring in the process of driving the filter screen to mount, the clamping column is driven to be clamped into the clamping groove, the outer ring is rotated anticlockwise, the clamping column is driven to be clamped into the fixing groove, the extruded sealing ring is utilized to press the outer ring and the clamping column forwards, the negative pressure wind force generated by the device is enabled to act on the surface of the outer ring through the locking plate in an inclined design, the outer ring and the clamping column are kept to generate anticlockwise rotation moment along the axis of the outer ring and the clamping column, the clamping column is kept to be firmly clamped in the fixing groove, and the problem of loosening of the filtering piece and sealing failure caused by loosening can be effectively prevented.

2. When the air permeability of the working face is reduced due to the fact that the surface of the filter screen is gradually filtered, thrust force generated by negative pressure wind power conversion can gradually overcome resilience force of the reset spring, the filter piece and the mounting piece are driven to move towards the direction of the fixed block, the sealing plate and the fixed block are driven to contact and find trouble to squeeze and shake, dust and impurities on the surface of the filter screen are shaken off to the inside of the drawer, an automatic cleaning function of the filter screen is completed, and the service life of the filter screen is prolonged.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is an exploded view of the reset element, mounting element and filter element of the present utility model;

FIG. 3 is an exploded view of the collector of the present utility model;

FIG. 4 is a schematic view of the overall structure of the present utility model in internal cutaway;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model;

fig. 6 is a schematic front cut-away view of the reset element, mounting element and filter element of the present utility model.

In the figure: 1. a ventilation pipe; 10. a material dropping groove; 11. a fixed block; 2. a reset member; 21. a sealing frame; 22. a guide post; 23. a return spring; 3. a mounting member; 31. a clasp; 32. a placement groove; 33. a clamping groove; 34. a fixing groove; 35. a seal ring; 36. a sealing plate; 4. a filter; 41. an outer ring; 42. a clamping column; 43. a first handle; 44. a locking plate; 45. a filter screen; 5. a collection member; 51. a collection box; 52. a flow guiding frame; 53. a drawer; 54. and a second handle.

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.

As shown in fig. 1 to 6, the present utility model provides a mine-based ventilating device including a ventilating pipe 1, a reset member 2, a mounting member 3, a filtering member 4, and a collecting member 5;

a material dropping groove 10 is formed in the bottom of the inner wall of the ventilation pipe 1, a collecting box 51 is fixedly arranged at the bottom of the ventilation pipe 1, an installation piece 3 is slidably arranged on the inner wall of the ventilation pipe 1 through a reset piece 2, and a fixed block 11 positioned at the rear side of the installation piece 3 is fixedly arranged at the bottom of the inner wall of the ventilation pipe 1;

the reset piece 2 comprises a sealing frame 21, a guide post 22 is fixedly arranged in the sealing frame 21, a reset spring 23 and a mounting piece 3 are movably sleeved on the outer surface of the guide post 22, and the sealing frame 21 is fixedly arranged on the outer surface of the ventilation pipe 1;

the mounting part 3 comprises a clamping ring 31, a placing groove 32 is formed in the front surface of the clamping ring 31, a clamping groove 33 and a fixing groove 34 are formed in the outer side of the front surface of the clamping ring 31, a sealing ring 35 is glued to the front surface of the placing groove 32, a filter part 4 is movably clamped in the fixing groove 34, a bulge is arranged on the outer surface of the clamping ring 31 and slidably mounted on the outer surface of the guide post 22, and a sealing plate 36 is fixedly connected to the bottom of the rear side of the clamping ring 31;

the filter element 4 comprises an outer ring 41, a clamping column 42 is fixedly connected to the outer surface of the outer ring 41, the clamping column 42 is movably clamped in the fixing groove 34, a filter screen 45 is fixedly arranged on the inner ring surface of the outer ring 41, a first handle 43 and a locking plate 44 are fixedly arranged on the front surface of the outer ring 41, and the locking plate 44 is in a anticlockwise inclined design;

the device ensures the stability of the mounting part 3 after mounting by being provided with the mounting part 3 and the filtering part 4, and the front surface of the clamping ring 31 is respectively provided with the placing groove 32, the clamping groove 33 and the fixing groove 34, so that the outer ring 41 is tightly attached to the sealing ring 35 in the mounting process of the driving filter screen 45, the clamping column 42 is driven to be clamped into the clamping groove 33, the outer ring 41 is rotated anticlockwise, the clamping column 42 is driven to be clamped into the fixing groove 34, the extruded sealing ring 35 is utilized to press the outer ring 41 and the clamping column 42 forwards, the negative pressure wind force generated by the device acts on the surface of the clamping column by the locking plate 44 in an inclined design, and the anticlockwise rotation moment of the outer ring 41 and the clamping column 42 along the axis of the clamping column is kept, so that the clamping column 42 is firmly clamped in the fixing groove 34, and the loosening of the filtering part 4 and the sealing failure problem caused by loosening can be effectively prevented.

The collecting piece 5 comprises a collecting box 51, a drawer 53 is clamped in the collecting box 51 in a sealing manner, a second handle 54 is fixedly arranged on the front surface of the drawer 53, and the collecting box 51 is arranged right below the blanking groove 10;

the collecting member 5 is disposed under the blanking groove 10, and when the snap ring 31 moves to the position right above the drawer 53 in the negative pressure wind direction, dust and impurities on the surface of the filter screen 45 can fall into the drawer 53 and collect after the sealing plate 36 and the fixed block 11 contact and impact vibration.

Wherein the seal ring 35 is made of a rubber block, and the seal ring 35 is provided by being pressed between the outer ring 41 and the placement groove 32;

the sealing ring 35 is used for contacting with the outer ring 41 and being pressed to generate resilience force towards the outer ring 41, when the outer ring 41 drives the clamping column 42 to rotate and clamp into the fixing groove 34, the clamping column 42 is tightly pressed into the fixing groove 34, and the clamping column 42, the outer ring 41 and the filter screen 45 can be prevented from loosening after being installed.

Four groups of locking plates 44 are arranged, the four groups of locking plates 44 are arranged on the outer side of the front face of the outer ring 41 at equal angles, and the number of each group of locking plates 44 is eleven;

the locking plate 44 is responsible for converting a part of negative pressure wind power into a moment for driving the outer ring 41 to rotate anticlockwise around the axis of the outer ring to ensure that the clamping column 42 is effectively clamped and fixed.

Wherein, the outer diameter value of the outer ring 41 is smaller than the outer diameter value of the placing groove 32, one end of the outer side of the clamping column 42 is semicircular, and the clamping column 42 is in limit contact with the inner walls of the clamping groove 33 and the fixing groove 34;

the outer ring 41 is arranged inside the placing groove 32 through the clamping and pressing fit of the clamping column 42 and the fixing groove 34, and in order to keep the outer ring 41 capable of keeping the anticlockwise rotation force pressed inside the placing groove 32, the difference of the sizes is used for reducing the abrasion of the two.

The inner wall of the collecting box 51 is fixedly provided with a flow guiding frame 52 positioned above the drawer 53, a 45-degree inclined plane is formed in the inner wall of the flow guiding frame 52, and the top of the drawer 53 is in limiting contact with the bottom of the flow guiding frame 52;

the inclined plane of the flow guiding frame 52 can guide dust and impurities from the surface of the filter screen 45 into the bottom of the inner cavity of the first handle 43, so that the impurities are prevented from accumulating.

Wherein, both ends of the return spring 23 are respectively and elastically connected with the snap ring 31 and the sealing frame 21, and the return spring 23 is respectively and compressively arranged on the outer surface of the guide post 22;

the return spring 23 is used for pressing the clamping ring 31, maintaining the trend of the whole installation piece 3 and the filter piece 4 moving forward, and overcoming the thrust force from the negative pressure wind power of the device to the whole installation piece 3 and the whole filter piece 4, and maintaining the stress balance at the initial stage of filtration.

The working principle and the using flow of the utility model are as follows:

firstly, holding the first handle 43 and driving the whole filter element 4 to approach to the direction of the placing groove 32, firstly clamping the clamping column 42 into the clamping groove 33, driving the outer ring 41 to contact with the sealing ring 35 and press the clamping column, then rotating the first handle 43 anticlockwise and clamping the clamping column into the fixing groove 34, clamping the clamping column 42 into the fixing groove 34 under the action of resilience force of the sealing ring 35, and completing the installation steps of the outer ring 41 and the filter screen 45;

then, the rear end of the ventilation pipe 1 is connected with a fan, the generated negative pressure direction is shown in fig. 4, the negative pressure wind force formed by the device drives air in a mine to be filtered and discharged through a filter screen 45, the wind force generated by the device generates acting force on a locking plate 44 and drives the locking plate 44, an outer ring 41 and a clamping column 42 to integrally rotate anticlockwise around the axis of the ventilation pipe 1, and the clamping column 42 is driven to be firmly clamped into the fixing groove 34;

finally, the dust and impurities filtered by the working surface of the filter screen 45 are gradually increased, thereby reducing the air permeability of the filter screen 45, enabling the whole filter screen 45 to be gradually increased by the wind force pushing force, driving the whole filter screen 4 to move towards the direction of the negative pressure wind force, driving the clamping ring 31 to continuously compress the reset spring 23 until the clamping ring 31 moves to the upper part of the blanking groove 10, at the moment, generating gaps between the clamping ring 31 and the blanking groove 10, driving the sealing plate 36 to be contacted with the fixed block 11 by the clamping ring 31 and pressing the clamping ring, enabling the dust and impurities in the department of the filter screen 45 to drop into the drawer 53 and be collected by the action of gravity, and restoring the air permeability of the filter screen 45 along with the reduction of the dust and impurities filtered by the working surface of the filter screen 45, wherein the received wind force pushing force is reduced, and gradually reset under the overcoming of the reset spring 23.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 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 (7)

1. A mine-based ventilation device, characterized in that: comprises a ventilation pipe (1), a resetting piece (2), a mounting piece (3), a filtering piece (4) and a collecting piece (5);

a blanking groove (10) is formed in the bottom of the inner wall of the ventilation pipe (1), an installation piece (3) is slidably installed on the inner wall of the ventilation pipe (1) through a reset piece (2), and a fixed block (11) positioned on the rear side of the installation piece (3) is fixed at the bottom of the inner wall of the ventilation pipe (1);

the resetting piece (2) comprises a sealing frame (21), a guide column (22) is fixedly arranged in the sealing frame (21), a resetting spring (23) and a mounting piece (3) are movably sleeved on the outer surface of the guide column (22), and the sealing frame (21) is fixedly arranged on the outer surface of the ventilation pipe (1);

the mounting piece (3) comprises a clamping ring (31), a placing groove (32) is formed in the front face of the clamping ring (31), a clamping groove (33) and a fixing groove (34) are formed in the outer side of the front face of the clamping ring (31), a sealing ring (35) is glued to the front face of the placing groove (32), a filtering piece (4) is movably clamped in the fixing groove (34), a protrusion is arranged on the outer surface of the clamping ring (31), the protrusion is slidably arranged on the outer surface of the guide post (22), and a sealing plate (36) is fixedly connected to the bottom of the rear side of the clamping ring (31);

the filter element (4) comprises an outer ring (41), a clamping column (42) is fixedly connected to the outer surface of the outer ring (41), the clamping column (42) is movably clamped inside the fixing groove (34), a filter screen (45) is fixedly arranged on the inner annular surface of the outer ring (41), a handle I (43) and a locking plate (44) are fixedly arranged on the front surface of the outer ring (41), and the locking plate (44) is in a anticlockwise inclined design.

2. A mine-based ventilation apparatus as claimed in claim 1, wherein: the collecting piece (5) comprises a collecting box (51), a drawer (53) is clamped in the collecting box (51) in a sealing mode, a second handle (54) is fixedly arranged on the front face of the drawer (53), and the collecting box (51) is arranged under the blanking groove (10).

3. A mine-based ventilation apparatus as claimed in claim 1, wherein: the seal ring (35) is made of rubber blocks, and the seal ring (35) is arranged between the outer ring (41) and the placing groove (32) in an extrusion mode.

4. A mine-based ventilation apparatus as claimed in claim 1, wherein: the locking plates (44) are arranged in four groups, the four groups of locking plates (44) are arranged on the outer side of the front face of the outer ring (41) at equal angles, and the number of the locking plates (44) in each group is eleven.

5. A mine-based ventilation apparatus as claimed in claim 1, wherein: the outer diameter value of the outer ring (41) is smaller than that of the placing groove (32), one end of the outer side of the clamping column (42) is of a semicircular design, and the clamping column (42) is in limit contact with the inner walls of the clamping groove (33) and the fixing groove (34).

6. A mine-based ventilation apparatus as claimed in claim 2, wherein: the inner wall fixed mounting of collection box (51) has guide frame (52) that are located drawer (53) top, 45 inclined planes have been seted up to the inner wall of guide frame (52), and the top of drawer (53) and the bottom spacing contact of guide frame (52).

7. A mine-based ventilation apparatus as claimed in claim 1, wherein: the two ends of the return spring (23) are respectively and elastically connected with the clamping ring (31) and the sealing frame (21), and the return spring (23) is respectively and compressively arranged on the outer surface of the guide post (22).