CN214578899U

CN214578899U - Air duct pressure relief device

Info

Publication number: CN214578899U
Application number: CN202120448479.0U
Authority: CN
Inventors: 刘建勋; 柏祖江; 文飞; 乔晓峰; 魏亚强
Original assignee: Linfen Buruilian Special Coal Machinery Co ltd
Current assignee: Linfen Buruilian Special Coal Machinery Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-11-02
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses an dryer pressure relief device, including the dryer, the dryer includes vent pipe and installs the mount pad in its bottom, vent pipe's upper end is installed back type cover and is equipped with opening and open-ended inner chamber and pegs graft and have the plugboard before the terminal surface of type cover, it pegs graft with the plugboard to install plug connector and plug connector on vent pipe's the right-hand member lateral wall, the inner chamber of back type cover rotates the top that is equipped with regulating plate and installs the driving piece, the driving piece passes through the connecting rod and is connected with the regulating plate rotation. A dryer pressure relief device, be equipped with regulating plate and driving piece, can drive the regulating plate and rotate for it rotates suitable angle and carries out the release and adjusts, its screw rod is located drum and movable rod inner chamber, can't cause the card phenomenon of dying, is equipped with plug connector, plugboard and opening, usable plugboard is to the open-ended area of sheltering from, carries out secondary wind pressure regulation and control, and can be so that the directional output of wind does not cause inconvenience to the operator.

Description

Air duct pressure relief device

Technical Field

The utility model relates to an dryer release equipment field, in particular to dryer pressure relief device.

Background

In coal mine production, along with the continuous increase of the mining depth of a mine, the gas emission quantity of a tunneling working face is also increased successively, so that long-distance local ventilation is more and more important to the safety of coal mine production. In order to solve the problem of gas emission, a high-power air duct is usually adopted to supply air to a working face, but the problem that the air duct is blown to be damaged and disconnected often occurs, and a large amount of gas can be gathered in a short time. Therefore, there is a need for a device capable of adjusting the air pressure and air supply quantity of the driving face, so as to avoid the damage of the wind drum by the air pressure and the air quantity.

To CN201220291611.2 controllable formula release dryer, its lift by crane the screw rod and expose outside, make easily be stained with the dust on the screw rod, lead to lifting by crane the screw rod card and die unable rotation, and do not have directional release opening for operating personnel rotates the operating handle, and its release wind-force will upwards spill over, blows to operator's face, brings inconvenience for the operator, so we provide an dryer pressure relief device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a wind tunnel pressure relief device, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an dryer pressure relief device, includes the dryer, the dryer includes vent pipe and installs the mount pad in its bottom, the preceding terminal surface that return type cover and return type cover are installed to vent pipe's upper end is equipped with opening and open-ended inner chamber and pegs graft and have the plugboard, it pegs graft with the plugboard to install plug connector and plug connector on vent pipe's the right-hand member lateral wall, the inner chamber that returns the type cover rotates and is equipped with the top of regulating plate and installs the driving piece, the driving piece passes through the connecting rod and is connected with the regulating plate rotation.

Preferably, the insertion plate is provided with a handle, and one side end of the insertion plate is provided with insertion holes in a straight line shape at equal intervals.

Preferably, the plug connector comprises a hollow column, the hollow column is penetrated through by a pull rod, a baffle ring is fixedly sleeved on the position of the pull rod, which is located in the inner cavity of the hollow column, a return spring is installed in the inner cavity of the hollow column, the return spring is sleeved on the pull rod, and the inserting end of the pull rod is a conical head.

Preferably, the driving piece includes the screw rod, the screw rod rotates the inner chamber of joint at the drum, drum and time type cover fixed connection, the inner chamber of drum slides and is equipped with the below that movable rod and movable rod are located the drum and rotates through connecting rod and regulating plate to be connected, the lower extreme of screw rod is located the threaded cavity of movable rod and rather than threaded connection, the carousel is installed to the upper end of screw rod.

Preferably, the movable rod is of a square structure, a square block with a hollow middle part is arranged at the upper end of the movable rod, the side length of the square block is larger than that of the movable rod, and a square movable cavity matched with the square block is arranged in the inner cavity of the cylinder.

Preferably, the movable end of the adjusting plate is located at an air inlet port of the vent pipe, and the opening and an air outlet end of the vent pipe are located on the same side.

Preferably, the adjusting plate is made of metal materials, the back thickness of the adjusting plate is set to be 5-10mm, elastic sealing strips are mounted on four side ends of the adjusting plate, and the outer walls of the elastic sealing strips are abutted to the inner cavity wall of the back-shaped cover.

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

1. be equipped with regulating plate and driving piece, the accessible rotates the carousel and makes the screw rod rotate, utilizes pivoted screw rod to drive the movable rod and is decurrent linear motion, and the movable rod of downstream can make the connecting rod be the motion of extrusion regulating plate, can drive the regulating plate and rotate for it rotates suitable angle and carries out the release regulation, and its screw rod is located drum and movable rod inner chamber, can't cause the dead phenomenon of card.

2. Be equipped with plug connector, plugboard and opening, usable plugboard is to the open-ended area that shelters from to it is fixed to the plugboard to utilize the plug connector, carry out secondary wind pressure regulation and control, and can make the directional output of wind, not cause inconvenience to the operator.

Drawings

Fig. 1 is a schematic rear view of a pressure relief device of an air duct of the present invention;

fig. 2 is a schematic view of a front view structure of the pressure relief device of the air duct of the present invention;

fig. 3 is a schematic structural view of a driving member of the air duct pressure relief device of the present invention;

fig. 4 is a schematic structural view of a plugboard of the air duct pressure relief device of the present invention;

fig. 5 is a schematic view of a cross-sectional structure of a hollow column of the pressure relief device of the air duct of the present invention;

fig. 6 is a schematic view of a front view cross-sectional structure of a cylinder of the pressure relief device of the air duct of the present invention.

In the figure: 1. an air duct; 2. a mounting seat; 3. a plugboard; 31. a handle; 32. inserting holes; 4. a plug-in unit; 41. a hollow column; 42. a baffle ring; 43. a pull rod; 44. a return spring; 5. a swage shell; 6. an adjusting plate; 7. a connecting rod; 8. a drive member; 81. a cylinder; 82. a turntable; 83. a screw; 84. a movable rod; 9. and (4) opening.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, an air duct pressure relief device comprises an air duct, the air duct comprises an air duct 1 and a mounting seat 2 mounted at the bottom of the air duct, and is characterized in that: the upper end of the air duct 1 is provided with a return cover 5, the front end face of the return cover 5 is provided with an opening 9, the inner cavity of the opening 9 is spliced with a splicing board 3, the side wall of the right end of the air duct 1 is provided with a splicing component 4, the splicing component 4 is spliced with the splicing board 3, the inner cavity of the return cover 5 is rotatably provided with an adjusting plate 6, a driving piece 8 is arranged above the adjusting plate 6, and the driving piece 8 is rotatably connected with the adjusting plate 6 through a connecting rod 7.

Install handle 31 on plugboard 3, a side of plugboard 3 is the even equidistant spliced eye 32 that is of straight line, plug connector 4 is including hollow post 41, hollow post 41 is run through by pull rod 43, pull rod 43 is located fixed the cup jointing at the position of hollow post 41 inner chamber and has kept off ring 42, reset spring 44 and reset spring 44 cup joint on pull rod 43 are installed to hollow post 41's inner chamber, the grafting end of pull rod 43 sets up to the tapered head, and the spring action through reset spring 44 makes the grafting end of pull rod 43 peg graft with plugboard 3 and pegs graft, carries out the regulation and control of secondary wind pressure, and can make the directional output of wind.

The driving part 8 comprises a screw 83, the screw 83 is rotationally clamped in an inner cavity of the cylinder 81, the cylinder 81 is fixedly connected with the clip cover 5, the inner cavity of the cylinder 81 is provided with a movable rod 84 in a sliding manner, the lower end of the movable rod 84 is positioned below the cylinder 81 and is rotationally connected with the adjusting plate 6 through a connecting rod 7, the lower end of the screw 83 is positioned in a threaded cavity of the movable rod 84 and is in threaded connection with the threaded cavity, the upper end of the screw 83 is provided with a turntable 82, the movable rod 84 is of a square structure, the upper end of the movable rod 84 is provided with a square block with a hollow middle part, the side length of the square block is larger than that of the movable rod 84, the inner cavity of the cylinder 81 is provided with a square movable cavity matched with the square block, the screw 83 can be rotated by rotating the turntable 82, and due to the fact that the screw 83 is in threaded connection with the movable rod 84 and the square block arranged at the upper end of the movable rod 84 slides in the square movable cavity in the cylinder 81, the movable rod 84 is limited, so that the movable rod 84 can only do linear motion, the movable rod 84 can be driven by the aid of the rotating screw 83 to do downward linear motion, the connecting rod 7 can do motion for extruding the adjusting plate 6 by the aid of the downward movable rod 84, the adjusting plate 6 can be driven to rotate, and pressure relief adjustment can be performed by the aid of the adjusting plate 6 when the adjusting plate rotates by a proper angle.

The expansion end of regulating plate 6 is located vent pipe 1's air inlet port department, opening 9 is located same one side with vent pipe 1's air-out end.

The adjusting plate 6 is made of metal materials, the back thickness of the adjusting plate 6 is set to be 5-10mm, elastic sealing strips are mounted on four side ends of the adjusting plate 6, and the outer walls of the elastic sealing strips are abutted to the inner cavity wall of the square-type cover 5.

It should be noted that, the utility model relates to a wind tunnel pressure relief device, after the wind tunnel is installed in place, the screw 83 can be rotated by rotating the rotary disc 82, because the screw 83 is connected with the movable rod 84 by screw thread and the square block arranged at the upper end of the movable rod 84 slides in the square movable cavity in the cylinder 81, the movable rod 84 is limited, so that it can only do linear motion, the rotatable screw 83 can be used to drive the movable rod 84 to do downward linear motion, the downward movable rod 84 can make the connecting rod 7 do the motion of extruding the adjusting plate 6, and can drive the adjusting plate 6 to rotate, so that it rotates at a proper angle to perform pressure relief adjustment, the screw is located in the cylinder and the movable rod cavity, which can not cause the seizing phenomenon, after the adjustment is finished, the pull rod 43 can be pulled by one hand to make it do the motion of compressing the return spring 44, and finally the pull rod 43 and the inserting plate 3 are separated, the other hand holds the handle 31 and exerts force upwards to enable the plug board 3 to move upwards, the shielding area of the plug board 3 to the opening 9 is changed, wind in the ventilation pipeline 1 can overflow from the opening 9, after adjustment is completed, the pull rod 43 can be loosened, the plug end of the pull rod 43 is plugged with the plug board 3 through the elastic force action of the return spring 44, secondary wind pressure adjustment and control are conducted, and wind can be output directionally.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an dryer pressure relief device, includes the dryer, the dryer includes vent pipe (1) and installs mount pad (2) in its bottom, its characterized in that: the air duct is characterized in that a back-shaped cover (5) is installed at the upper end of the air duct (1), an inner cavity of the back-shaped cover (5) is provided with an opening (9), the inner cavity of the opening (9) is inserted into the insertion plate (3), the insertion part (4) is installed on the side wall of the right end of the air duct (1), the insertion part (4) is inserted into the insertion plate (3), a driving part (8) is installed above an adjusting plate (6) and the adjusting plate (6) in a rotating mode through the inner cavity of the back-shaped cover (5), and the driving part (8) is rotatably connected with the adjusting plate (6) through a connecting rod (7).

2. The air duct pressure relief device according to claim 1, wherein: the handle (31) is installed on the insertion plate (3), and insertion holes (32) are uniformly arranged at equal intervals on one side end of the insertion plate (3) in a straight line manner.

3. The air duct pressure relief device according to claim 1, wherein: plug connector (4) are including hollow post (41), hollow post (41) are run through by pull rod (43), pull rod (43) are located fixed cover on the position of hollow post (41) inner chamber and are connected fender ring (42), reset spring (44) and reset spring (44) are installed to the inner chamber of hollow post (41) and are cup jointed on pull rod (43), the grafting end of pull rod (43) sets up to the tapered head.

4. The air duct pressure relief device according to claim 1, wherein: driving piece (8) include screw rod (83), screw rod (83) rotate the inner chamber of joint at drum (81), drum (81) and time type cover (5) fixed connection, the inner chamber of drum (81) slides and is equipped with the lower extreme of movable rod (84) and is located the below of drum (81) and rotates through connecting rod (7) and regulating plate (6) and be connected, the lower extreme of screw rod (83) is located the threaded cavity of movable rod (84) and rather than threaded connection, carousel (82) are installed to the upper end of screw rod (83).

5. The air duct pressure relief device according to claim 4, wherein: the movable rod (84) is of a square structure, a square block with a hollow middle part is arranged at the upper end of the movable rod (84), the side length of the square block is larger than that of the movable rod (84), and a square movable cavity matched with the square block is arranged in the inner cavity of the cylinder (81).

6. The air duct pressure relief device according to claim 1, wherein: the movable end of regulating plate (6) is located the air inlet port department of air pipe (1), opening (9) and air outlet end of air pipe (1) are located same one side.

7. The air duct pressure relief device according to claim 1, wherein: the adjustable cover is characterized in that the adjusting plate (6) is made of metal materials, the back thickness of the adjusting plate (6) is set to be 5-10mm, elastic sealing strips are mounted on four side ends of the adjusting plate (6), and the outer walls of the elastic sealing strips are abutted to the inner cavity wall of the square-shaped cover (5).