CN215927442U - Coal mine ventilation adjusting device - Google Patents

Abstract

The utility model discloses a coal mine ventilation adjusting device, and belongs to the field of ventilation equipment. The utility model provides a colliery ventilation adjusting device, includes the sleeve, the sleeve front end is fixed with the go-between, be fixed with the fan through the support in the go-between, the go-between front end is equipped with filter screen and collar in proper order, the go-between is equipped with first otic placode, second otic placode and the third otic placode that is the symmetry setting respectively with filter screen, collar left and right sides, is located the right side threaded hole is seted up to first otic placode front end, threaded hole internal rotation installs the threaded rod, the connecting hole of pegging graft with the threaded rod is seted up to terminal surface around second otic placode and the third otic placode, the left and right sides the arc stopper that matches with the filter screen is seted up to second otic placode terminal surface in opposite directions, the annular spacing groove that matches with the arc stopper is seted up to the filter screen periphery, sleeve rear end face is equipped with a plurality of baffles. The utility model is convenient for mounting the filter screen and does not need to disassemble the mounting ring.

Description

Coal mine ventilation adjusting device

Technical Field

The utility model relates to the field of ventilation equipment, in particular to a coal mine ventilation adjusting device.

Background

The coal mine is the area that people mined coal resources in the mining area rich in coal, in order to guarantee personnel safety and surrounding environment of workers, the mining area needs to be ventilated during coal mining, the current coal mine ventilation setting structure is too simple, many can not adjust the ventilation strength according to the needs of the workers, most ventilation devices are fixed and inconvenient to move, and therefore inconvenience is caused to the use of the workers.

The patent document with publication number CN213392226U in the prior art provides a coal mine ventilation regulating device; the device passes through limit nut, can carry on spacingly to the connection between regulating plate and the adjustable ring, removes limit nut, can drive the regulating plate and remove, through the stopper with the connection between the groove that the movable plate surface was seted up, can drive the fly leaf and rotate, adjust the turned angle of fly leaf and regulating plate according to staff's needs to can adjust the size of ventilation flow, make things convenient for the staff to use. Through the filter screen, can be to preventing dust contaminated air, through fastening bolt's effect, make things convenient for the staff to dismantle regulation ring and filter to conveniently overhaul or wash.

Although the device has more beneficial effects, the following problems still exist: the device is when changing the filter screen, needs dismantle the adjusting ring through fastening bolt, and this has reduced the installation and the dismantlement efficiency of filter screen undoubtedly, has a great deal of inconvenience. In view of this, we propose a coal mine ventilation regulating device.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a coal mine ventilation adjusting device to solve the problems in the background technology.

2. Technical scheme

The utility model provides a colliery ventilation adjusting device, includes the sleeve, the sleeve front end is fixed with the go-between, be fixed with the fan through the support in the go-between, the go-between front end is equipped with filter screen and collar in proper order, the go-between is equipped with first otic placode, second otic placode and the third otic placode that is the symmetry setting respectively with filter screen, collar left and right sides, is located the right side threaded hole is seted up to first otic placode front end, threaded hole internal rotation installs the threaded rod, the connecting hole of pegging graft with the threaded rod is seted up to terminal surface around second otic placode and the third otic placode, the left and right sides the arc stopper that matches with the filter screen is seted up to second otic placode terminal surface in opposite directions, the annular spacing groove that matches with the arc stopper is seted up to the filter screen periphery, sleeve rear end face is equipped with a plurality of baffles.

Preferably, the adjacent filter screens are matched with the connecting ring and the mounting ring, and the adjacent partition plates are attached to each other.

Preferably, a limiting rod inserted with the first ear plate and the second ear plate is fixed on the rear end face of the third ear plate on the left side.

Preferably, a limiting cavity is formed in the rear end face of the threaded hole, and a limiting plate matched with the limiting cavity is fixed to the rear end of the threaded rod.

Preferably, the upper end and the lower end of the partition plate are rotatably installed in the sleeve through a rotating shaft and a torsion spring, and the rear side of the left end and the front side of the right end of the partition plate are respectively fixed and provided with a limiting clamping plate and a limiting clamping groove which are matched with each other.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the distance between the filter screen and the mounting ring and the distance between the filter screen and the connecting ring can be adjusted through the threaded rod and the threaded hole, the filter screen can be taken down from between the two second lug plates through the arc-shaped limiting block and the annular limiting groove, the mounting ring and the adjusting ring inside the mounting ring need to be taken down, the labor and the time are saved, and the replacement efficiency of the filter screen is improved.

2. According to the utility model, the plurality of mutually clamped partition plates are arranged at the rear side of the sleeve through the rotating shaft and the torsion spring, when the fan is started, the internal and external pressure intensities of the partition plates are changed, so that the partition plates rotate to open the sleeve, and when the fan is closed, the partition plates are driven to reset through the torsion spring, so that the sleeve is sealed, the dust in the sleeve is prevented from overflowing, and the dust can be collected

Drawings

FIG. 1 is a schematic view of the overall front-end viewing exterior configuration of the present invention;

FIG. 2 is a schematic view of the overall rear-end viewing external configuration of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the threaded rod of the present invention shown disassembled internally;

FIG. 5 is a schematic view of a filter screen according to the present invention;

FIG. 6 is a schematic view of the internal structure of the joint between the sleeve and the partition board according to the present invention;

FIG. 7 is a schematic view of the structure of the junction between adjacent partitions of the present invention;

the reference numbers in the figures illustrate: 1. a sleeve; 2. a connecting ring; 3. a fan; 4. a mounting ring; 5. a filter screen; 6. a third ear panel; 7. a second ear panel; 8. a first ear plate; 9. a partition plate; 10. a threaded rod; 11. connecting holes; 12. a threaded hole; 13. a limiting cavity; 14. a limiting plate; 15. an arc-shaped limiting block; 16. an annular limiting groove; 17. a limiting rod; 19. a limiting clamping groove; 20. spacing cardboard.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a colliery ventilation adjusting device, including sleeve 1, 1 front end of sleeve is fixed with go-between 2, be fixed with fan 3 through the support in the go-between 2, go-between 2 front end is equipped with filter screen 5 and collar 4 in proper order, go-between 2 and filter screen 5, the 4 left and right sides of collar are equipped with respectively and are the first otic placode 8 of symmetry setting, second otic placode 7 and third otic placode 6, it has threaded hole 12 to be located the first otic placode 8 front end in right side, threaded hole 12 internal rotation installs threaded rod 10, connecting hole 11 with threaded rod 10 grafting is seted up to the terminal surface around second otic placode 7 and the third otic placode 6, arc stopper 15 with filter screen 5 matching is seted up to the terminal surface in opposite directions of left and right sides second otic placode 7, the annular spacing groove 16 with 15 matching is seted up to filter screen 5 periphery, 1 rear end face is equipped with a plurality of baffles 9.

Specifically, adjacent filter screens 5 are matched with the connecting ring 2 and the mounting ring 4, and adjacent partition plates 9 are attached to each other; the sealing performance of the device is ensured, and the dust is prevented from overflowing.

Furthermore, a limiting rod 17 which is inserted with the first lug plate 8 and the second lug plate 7 is fixed on the rear end surface of the left third lug plate 6; the direction of movement of the mounting ring 4 is limited.

Furthermore, a limiting cavity 13 is formed in the rear end face of the threaded hole 12, and a limiting plate 14 matched with the limiting cavity 13 is fixed at the rear end of the threaded rod 10; the movement range of the mounting ring 4 is limited.

Furthermore, the upper end and the lower end of the partition board 9 are rotatably installed in the sleeve 1 through a rotating shaft and a torsion spring, and the rear side of the left end and the front side of the right end of the partition board 9 are respectively fixed and provided with a limit clamping board 20 and a limit clamping groove 19 which are matched with each other; the movement intervals of the partition plates 9 are limited, the adjacent partition plates 9 are mutually attached, and the sealing performance between the partition plates 9 is guaranteed.

The working principle is as follows: when changing filter screen 5, 8 front ends at first otic placode rotate threaded rod 10, and through screw hole 12, make threaded rod 10 front end move forward, enlarge filter screen 5 and collar 4 and go-between 2 interval, thereby can take off filter screen 5 from between two second otic placodes 7, when installing filter screen 5, through the peripheral loop type spacing groove 16 of filter screen 5 and the arc stopper 15 of both sides second otic placode 7 terminal surface in opposite directions, can install filter screen 5 between two second otic placodes 7, wherein, threaded rod 10 and connecting hole 11 locate second otic placode 7 front and back terminal surface lower half, it drives collar 4 and rotates downwards to avoid filter screen 5 installation back, thereby reverse rotation threaded rod 10, make go-between 2, filter screen 5, laminate again between collar 4, need not to take off collar 4 and the adjustable ring of inner chamber joint.

When using, be connected fan 3 with external controlling means through the wire, start fan 3 through external controlling means, circulation of air in the 3 guiding device of fan, the side produces the pressure difference around baffle 9, thereby make baffle 9 rotate forward along its pivot direction, open sleeve 1 rear end, introduce the sleeve 1 with the mining area air, adsorb the dust through filter screen 5, after closing fan 3, the side pressure is balanced around the baffle 9, under torque spring's drive, make baffle 9 reset, thereby seal sleeve 1 rear end, avoid overflowing of dust in the sleeve 1, thereby be convenient for the collection of dust.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a colliery ventilation adjusting device, includes sleeve (1), its characterized in that: the front end of the sleeve (1) is fixed with a connecting ring (2), a fan (3) is fixed in the connecting ring (2) through a support, the front end of the connecting ring (2) is sequentially provided with a filter screen (5) and a mounting ring (4), the left side and the right side of the connecting ring (2), the filter screen (5) and the mounting ring (4) are respectively provided with a first lug plate (8), a second lug plate (7) and a third lug plate (6) which are symmetrically arranged, the right side is positioned, the front end of the first lug plate (8) is provided with a threaded hole (12), the threaded hole (12) is rotatably provided with a threaded rod (10), the front end face and the rear end face of the second lug plate (7) and the third lug plate (6) are provided with connecting holes (11) which are spliced with the threaded rod (10), the left side and the right side are provided with arc limiting blocks (15) which are matched with the filter screen (5) on the opposite end faces of the second lug plate (7), the periphery of the filter screen (5) is provided with an annular limiting groove (16) which is matched with the arc limiting blocks (15), the rear end face of the sleeve (1) is provided with a plurality of partition plates (9).

2. A coal mine ventilation adjustment device as claimed in claim 1, wherein: the filter screen (5), the connecting ring (2) and the mounting ring (4) are matched with each other and adjacent to each other, and the partition plates (9) are attached to each other.

3. A coal mine ventilation adjustment device as claimed in claim 1, wherein: and a limiting rod (17) which is inserted into the first lug plate (8) and the second lug plate (7) is fixed on the rear end face of the third lug plate (6) on the left side.

4. A coal mine ventilation adjustment device as claimed in claim 1, wherein: spacing chamber (13) have been seted up to screw hole (12) rear end face, threaded rod (10) rear end is fixed with limiting plate (14) with spacing chamber (13) matching.

5. A coal mine ventilation adjustment device as claimed in claim 1, wherein: the upper end and the lower end of the partition plate (9) are rotatably arranged in the sleeve (1) through a rotating shaft and a torsion spring, and the rear side of the left end and the front side of the right end of the partition plate (9) are respectively fixed and provided with a limiting clamping plate (20) and a limiting clamping groove (19) which are matched with each other.

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