Coal mine ventilator working condition adjusting device

Abstract

A working condition adjusting device of a coal mine ventilator comprises a ventilator body, one end of an air inlet of the ventilator body is communicated with and provided with a grid cylinder, one end of the grid cylinder is closed, the periphery of the grid cylinder is sleeved with a cylindrical filter cover, the two ends of the cylindrical filter cover are sequentially and fixedly provided with a first annular plate and a second annular plate, and a sleeve is fixedly installed on the ventilator body. The large-air-volume filtering device is simple in structure and ingenious in conception, when the environment in a mine changes and large air volume is needed, the electric push rod can drive the first annular plate, the cylindrical filtering cover and the second annular plate to move leftwards together and be contained in the sleeve, filtering is not carried out any more, the cylindrical filtering cover is prevented from influencing the air volume, the requirement of the mine for the large-air-volume working condition is met, and the working efficiency is improved. And the barrel-shaped filter cover is contained in the sleeve, suction force generated by the ventilator body cannot suck impurities attached to the barrel-shaped filter cover, actual requirements can be met, and the ventilator is suitable for being popularized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of coal mine ventilator, concretely is a kind of coal mine ventilator operating condition regulating device. BACKGROUND

[0002] Coal mine ventilator is a kind of equipment for making the ventilation of coal mine interior unobstructed, improves the air circulation of coal mine interior, can be automatically regulated according to the environmental condition in mine, such as increasing air volume, is the guarantee of mine staff, and coal dust and other impurities are easy to adhere to fan blade in mine, need to be disassembled when cleaning, cleaning is inconvenient, influence the air volume of ventilator, filter screen can be installed to filter, but filter screen also has influence on air volume, in some special circumstances requiring larger air volume, influence the ventilation in mine, therefore, we design a kind of coal mine ventilator operating condition regulating device with filter screen. INNOVATION CONTENT

[0003] The utility model provides a kind of coal mine ventilator operating condition regulating device, to solve the defects in prior art.

[0004] The utility model is implemented by the following technical solutions:

[0005] A kind of coal mine ventilator operating condition regulating device, including ventilator body, one end of ventilator body air inlet is connected and installs grid cylinder, one end of grid cylinder is closed, outer periphery of grid cylinder is equipped with cylindrical filter cover, the both ends of cylindrical filter cover are sequentially fixed and installed first annular plate, second annular plate, sleeve pipe is fixedly installed on ventilator body, first annular plate and second annular plate are slidably installed on ventilator body, one side of first annular plate is fixedly connected electric push rod, electric push rod is fixedly installed on sleeve pipe.

[0006] As described above, a kind of coal mine ventilator operating condition regulating device, one end of sleeve pipe is connected and connected with air pipe, the other end of air pipe is connected and connected with one end of ventilator body air outlet, the one end of air pipe is hingedly sealed plate capable of being sealed, the one end of air pipe is set sliding hole, and push rod is slidably installed, push rod is hingedly rotating rod, torsional spring is arranged between rotating rod and corresponding hinged shaft of sealing plate, push block is fixedly installed on first annular plate, push block can be contacted with rotating rod, a plurality of through slots are set on first annular plate.

[0007] As described above, a kind of coal mine ventilator operating condition regulating device, the push rod is wedge-shaped.

[0008] As described above, a kind of coal mine ventilator operating condition regulating device, annular sealing plate is fixedly installed on ventilator body, and annular sealing plate can seal a plurality of through slots.

[0009] The sleeve is provided with a sewage outlet, and one side of the sewage outlet is fixedly connected with one end of a gauze collecting cylinder.

[0010] The outer periphery of the grid cylinder is provided with a thread at the closed end, and a cover is installed in thread cooperation, and a rubber ring is fixedly installed in the cover.

[0011] The utility model discloses a simple structure and ingenious design, when the environment in mine changes and needs large air volume, the electric push rod can drive the first annular plate, the cylindrical filter cover and the second annular plate to move to the left together and be stored in the sleeve, and the cylindrical filter cover does not affect the air volume, so that the requirement of large air volume working condition of mine is met, and the suction of the ventilator body does not suck the impurities adhered to the cylindrical filter cover, so that the actual demand is met, and the utility model discloses are suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will be briefly introduced to the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without the creative labor.

[0013] Figure 1 It is the structural schematic diagram of the utility model; Figure 2 It is Figure 1 The partial enlarged view in I.

[0014] Fig. 1 is a ventilator body, 2 is a grid cylinder, 3 is a cylindrical filter cover, 4 is a first annular plate, 5 is a second annular plate, 6 is a sleeve, 7 is an electric push rod, 20 is a ventilation pipe, 21 is a sealing plate, 22 is a push rod, 23 is a rotating rod, 24 is a push block, 25 is a through groove, 26 is a gas hole, 40 is an annular sealing plate, 50 is a sewage outlet, 51 is a gauze collecting cylinder, 60 is a cover, and 61 is a rubber ring. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the following will be combined with the drawings in the embodiments of the utility model, and the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without the creative labor belong to the scope of protection of the utility model.

[0016] A coal mine ventilator working condition adjusting device, as shown in Figure 1 、 2 , including ventilator body 1, one end of the ventilator body 1 inlet communicates with the installation grid cylinder 2, one end of the grid cylinder 2 is closed, the other end is fixedly connected with the ventilator body 1, the outer periphery of the grid cylinder 2 is sleeved with a cylindrical filter cover 3, the two ends of the cylindrical filter cover 3 are sequentially fixedly installed with a first annular plate 4 and a second annular plate 5, a sleeve 6 is fixedly installed on the ventilator body 1, the first annular plate 4 and the second annular plate 5 are slidably installed on the ventilator body 1, the inner periphery of the left end of the sleeve 6 is fixedly connected with the outer periphery of the ventilator body 1, the first annular plate 4, the second annular plate 5, the cylindrical filter cover 3 and the sleeve 6 are coaxially arranged, one side of the first annular plate 4 is fixedly connected with an electric push rod 7, the electric push rod 7 is fixedly installed on the sleeve 6, the movable end of the electric push rod 7 is fixedly connected with the first annular plate 4, the fixed end of the electric push rod 7 is fixedly connected with the sleeve 6 and extends to the outside of the sleeve 6 through the sleeve 6. The utility model discloses simple structure, clever design, when the environment in the mine changes, needs large air volume, the electric push rod 7 can drive the first annular plate 4, the cylindrical filter cover 3 and the second annular plate 5 to move to the left together and be stored in the sleeve 6, no longer filter, avoid the influence of the cylindrical filter cover 3 on the air volume, to adapt to the requirement of the mine to large air volume working condition, and the suction of the ventilator body 1 cannot suck the impurities adhered to the cylindrical filter cover 3, can satisfy actual demand, is suitable for promotion. When using, the demand of the mine to air volume is normal condition, can ignore the influence of the cylindrical filter cover 3, control the electric push rod 7 to elongate, make it drive the cylindrical filter cover 3 to cover the grid cylinder 2, the air inhaled by the ventilator body 1 when operating can be filtered first through the cylindrical filter cover 3, avoid the impurities such as coal dust to adhere to the inner wall of the fan blade or the ventilator body and affect the air volume, when cleaning, only the cylindrical filter cover 3 can be cleaned, reduce the disassembly and cleaning of the ventilator body 1, convenient to use, under special working conditions, when the demand of the mine to air volume increases and the cylindrical filter cover 3 needs to be removed, make the electric push rod 7 shorten, the electric push rod 7 drives the first annular plate 4, the cylindrical filter cover 3 and the second annular plate 5 to move to the left together, until completely move to the sleeve 6, at this time, the cylindrical filter cover 3 no longer plays a filtering role and does not affect the air volume, at the same time, the suction of the ventilator body 1 cannot suck the impurities on the cylindrical filter cover 3, convenient to use.

[0017] Specifically, as shown in the figure, the sleeve 6 is connected to one end of the ventilation pipe 20, the right end of the ventilation pipe 20 is connected to the sleeve 6 through the air hole 26, the other end of the ventilation pipe 20 is connected to one end of the air outlet of the ventilator body 1, one end of the ventilation pipe 20 is hinged to the sealing plate 21 which can seal the ventilation pipe 20, a sliding hole is formed in one end of the ventilation pipe 20, and the push rod 22 is slidingly installed in the sliding hole, the rotating rod 23 is hinged to the push rod 22, the rotating rod 23 and the sealing plate 21 are respectively provided with torsion springs between the corresponding hinged shafts, the torsion springs are sleeved on the corresponding hinged shafts, one end of one torsion spring is fixedly connected to the inner wall of the ventilation pipe 20, the other end of the torsion spring is fixedly connected to the sealing plate 21, one end of the other torsion spring is fixedly connected to the push rod 22, and the other end of the torsion spring is fixedly connected to the rotating rod 23, the push block 24 is fixedly installed on the first annular plate 4, the push block 24 can be in contact with the rotating rod 23, and a plurality of through grooves 25 are formed in the first annular plate 4. The electric push rod 7 is shortened to drive the first annular plate 4 to move, the first annular plate 4 drives the push block 24 to move until the push block 24 is in contact with the rotating rod 23, at this time, the second annular plate 5 completely enters the sleeve 6 to form a sealed cavity with the sleeve 6, then the push block 24 drives the rotating rod 23 and the push rod 22 to move to the left together, the push rod 22 drives the sealing plate 21 to rotate to no longer seal the ventilation pipe 20, the corresponding torsion spring accumulates potential energy, and the wind blown by the ventilator body 1 can enter the inside of the cylindrical filter cover 3 through the ventilation pipe 20 and the through grooves 25 to blow the cylindrical filter cover 3 in reverse to blow away the coal dust attached to the cylindrical filter cover 3. With the movement of the push block 24, the rotating rod 23 is in contact with the side wall of the sliding hole and rotates in the horizontal direction under the obstruction of the side wall until the push block 24 no longer blocks the rotating rod 23 from moving to the right, the sealing plate 21 is reset under the action of the torsion spring to reseal the ventilation pipe 20 and push the push rod 22 back to the original position, the electric push rod 7 drives the first annular plate 4 to move to the right to reset until the rotating rod 23 is separated from the push block 24, and the rotating rod 23 is reset under the action of the torsion spring for next use.

[0018] Specifically, as shown in the figure, the push rod 22 is wedge-shaped, the right end of the push rod 22 is thin, and the left end of the push rod 22 is thick. The wedge-shaped push rod 22 ensures that the push rod 22 does not move out of the sliding hole when it moves to the right to reset, thereby ensuring the normal use of the push rod 22.

[0019] Further, as shown in the figure, the ventilator body 1 is fixedly installed with the annular sealing plate 40, and the annular sealing plate 40 can seal the through grooves 25. When the electric push rod 7 drives the first annular plate 4 to move to the right to be in contact with the annular sealing plate 40, the annular sealing plate 40 seals the through grooves 25 on the first annular plate 4 to prevent impurities in the sleeve 6 from being sucked into the sleeve 6 from the through grooves 25 when the ventilator body 1 is running.

[0020] Further, as shown in the figure, the sleeve 6 is provided with a sewage outlet 50, and one side of the sewage outlet 50 is fixedly connected with one end of a gauze collecting cylinder 51. In use, the other end of the gauze collecting cylinder 51 is closed, such as being tied with a rope. When back blowing, the impurities blown off from the cylindrical filter cover 3 can enter the gauze collecting cylinder 51 through the sewage outlet 50 and be collected, and the treatment is more convenient.

[0021] Further, as shown in the figure, the outer periphery of the closed end of the grid cylinder 2 is provided with a thread, and the grid cylinder 2 is threadedly and cooperatively installed with a cover 60. The inner periphery of the cover 60 is provided with a thread cooperated with the grid cylinder 2, and a rubber ring 61 is fixedly installed in the cover 60. When the cylindrical filter cover 3 covers the grid cylinder 2, the second annular plate 5 extrudes the rubber ring 61, and the sealing property is increased. The cover 60 can also be removed, and the cylindrical filter cover 3 is conveniently manually cleaned.

[0022] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A coal mine ventilator working condition adjusting device, comprising a ventilator body (1), a mesh cylinder (2) is communicated and installed at one end of an air inlet of the ventilator body (1), and one end of the mesh cylinder (2) is closed, characterized in that: The outer periphery of the grid cylinder (2) is sleeved with a cylindrical filter cover (3), two ends of the cylindrical filter cover (3) are sequentially fixedly provided with a first annular plate (4) and a second annular plate (5), a sleeve (6) is fixedly arranged on the ventilator body (1), the first annular plate (4) and the second annular plate (5) are slidably arranged on the ventilator body (1), one side of the first annular plate (4) is fixedly connected with an electric push rod (7), and the electric push rod (7) is fixedly arranged on the sleeve (6).

2. The working condition adjusting device of a coal mine ventilator according to claim 1, characterized in that: One end of the sleeve (6) is communicated with a breather pipe (20), the other end of the breather pipe (20) is communicated with one end of an air outlet of the ventilator body (1), a sealing plate (21) capable of sealing the breather pipe (20) is hingedly arranged in one end of the breather pipe (20), a sliding hole is formed in one end of the breather pipe (20), a push rod (22) is slidably arranged in the sliding hole, a rotating rod (23) is hingedly arranged on the push rod (22), torsion springs are arranged between the rotating rod (23) and the sealing plate (21) and corresponding hinged shafts, respectively, a push block (24) is fixedly arranged on the first annular plate (4), the push block (24) can be in contact with the rotating rod (23), and a plurality of through grooves (25) are formed in the first annular plate (4).

3. A coal mine ventilator operating condition adjusting device according to claim 2, characterized in that: The push rod (22) is wedge-shaped.

4. The working condition adjusting device of a coal mine ventilator according to claim 2, characterized in that: The ventilator body (1) is fixedly provided with an annular sealing plate (40), and the annular sealing plate (40) can seal the plurality of through grooves (25).

5. The working condition adjusting device of a coal mine ventilator according to claim 2, characterized in that: A sewage outlet (50) is formed in the sleeve (6), and one side of the sewage outlet (50) is fixedly connected with one end of a gauze collecting cylinder (51).

6. The working condition adjusting device of a coal mine ventilator according to claim 2, characterized in that: The outer periphery of the closed end of the grid cylinder (2) is provided with threads, and a cover (60) is threadedly and fittingly arranged, and a rubber ring (61) is fixedly arranged in the cover (60).

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