CN217872887U

CN217872887U - Mining negative pressure air door opening device

Info

Publication number: CN217872887U
Application number: CN202221682656.2U
Authority: CN
Inventors: 刘锋涛; 张海波; 谭延军; 秦伟峰; 谭洪森
Original assignee: Shaanxi Zhengtong Coal Industry Co Ltd
Current assignee: Shaanxi Zhengtong Coal Industry Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-22
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of mining negative pressure air door technique and specifically relates to a mining negative pressure air door opening device, including stifled wall, the well upper position bolt fastening of stifled wall has the door frame body, and one side position of door frame body installs the air door body, the top middle part position welding of door frame body has the combination square frame, the utility model discloses in, through the hydraulic telescoping rod who sets up, pull handle, dull polish inner panel, first cassette, second cassette, activity depression bar, combination square frame and recess, under hydraulic telescoping rod mutually supporting through the second cassette, during a side of outside horizontal ejecting activity depression bar, another side of activity depression bar will be through the inside extrusion air door body of dull polish inner panel, constructor accessible this moment to pulling of pulling the handle and inwards impel, will open whole air door fast, realize opening fast through can utilizing helping hand structure to cooperate whole air door, can accelerate the whole progress of opening the air door operation effectively.

Description

Mining negative pressure air door opening device

Technical Field

The utility model relates to a mining negative pressure air door technical field specifically is a mining negative pressure air door opening device.

Background

The mining air door belongs to the technical field of coal mine safety, and is an improvement on the basis of the original air door, and is more suitable for high and low places of the mine air pressure. The anti-wind requirement can be met, a reverse air door does not need to be arranged, one air door can replace the original forward and reverse air doors, the doors can be opened stably under high negative pressure by using smaller force, and the mining air door plays the roles of preventing short circuit of wind current, improving the automation level of a mine, ensuring the safety of a mine ventilation system and the like. Mining negative pressure air door opening device on the market receives the interference of negative pressure factor when opening, and constructor is when unable to open the air door fast, also is not convenient for carry out the quick construction operation of next stage to the air door that does not obtain the pressure release and handle is too big because of its resistance that receives, will directly increase the difficulty degree when whole air door is opened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining negative pressure air door opening device to the problem of pressure release processing is opened and can't be carried out before opening the air door fast to the mode of proposing unable through the helping hand in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a mining negative pressure air door opening device, includes stifled wall, the well upper position bolt fastening of stifled wall has the door frame body, and one side position of door frame body installs the air door body, the welding of the top middle part position of door frame body has the combination square frame, and the dead ahead position of combination square frame is provided with movable depression bar, the left side below position bolt fastening of combination square frame has first cassette, one side position of movable depression bar is provided with the second cassette, and the rear of second cassette is provided with hydraulic telescoping rod.

Preferably, the air door body is symmetrical for the symmetry axis along the vertical axis of door frame body and sets up, the positive upper right position of air door body is seted up flutedly through integrative pouring shaping processing, the door frame body passes through hinge component and air door body rotation connection.

Preferably, the inside fix with screw of recess has the dull polish inner panel, and laminates each other between a side of dull polish inner panel and a side of activity depression bar, the activity depression bar rotates through articulated axis body and first cassette to be connected, and bolt fastening between activity depression bar and the second cassette, the expansion end of second cassette and hydraulic telescoping rod rotates to be connected, and hydraulic telescoping rod passes through first cassette, second cassette, combination square frame and activity depression bar transmission and connects, the dull polish inner panel passes through the recess and the embedded setting of air door body, and the positive one side position bolt fastening of air door body has the handle of pulling.

Preferably, the appearance that pulls the handle is "U" type structural distribution and sets up, and pulls the rear position of handle and has seted up central square groove, the welding of the middle part rear position of pulling the handle has the limited support, integrated into one piece sets up between central square groove and the air door body, and the front top position of air door body embedded the perspective window of installing.

Preferably, the ventilation hole has been seted up to the inside side in center square groove, and the ventilation hole passes through integrated into one piece between center square groove and the air door body, the dead ahead position in ventilation hole covers there is the closing plate, and the closing plate passes through center square groove and air door body sliding connection, the middle part position bolt fastening of closing plate has transmission sleeve, and transmission sleeve's inside interlude is provided with the thread rolling lead screw, the thread rolling lead screw with the interlude sets up between thread rolling lead screw and the injecing support, and the outside operation that has cup jointed of one side of thread rolling lead screw changes the handle, the operation is changeed the handle and is connected through injecing support and transmission sleeve transmission.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the hydraulic telescoping rod who sets up, draw the handle, the dull polish inner panel, first cassette, the second cassette, the activity depression bar, combination square frame and recess, under the hydraulic telescoping rod mutually supporting through the second cassette, when outside transversely ejecting a side of activity depression bar, another side of activity depression bar will be through dull polish inner panel inside extrusion air door body, constructor can be through drawing and the propulsion inwards of drawing the handle at this moment, come to open whole air door fast, realize opening fast through can utilizing helping hand structure to cooperate whole air door, can accelerate the progress of whole air door operation of opening effectively;

2. the utility model discloses in, through the limited support that sets up, the transmission sleeve, the ventilation hole, the closing plate, the operation is changeed and is rolled the silk lead screw, will carry the closing plate at the transmission sleeve and from left to right take place the transverse stretching action, and after the closing plate removed originally the shutoff effort to a plurality of ventilation holes, the ventilation hole is when the whole negative pressure air door of cooperation realizes normally ventilating, also cooperate whole device to reach the supplementary purpose of pressure release, through in advance before opening the air door, assist the pressure release and handle, can reduce the pressure that the negative pressure air door later stage was opened effectively.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the hydraulic telescopic rod of the present invention;

fig. 3 is a schematic structural view of the traction handle of the present invention.

In the figure: the device comprises a wall 1, a door frame 2, a door frame 3, a damper body 4, a combined square frame, a perspective window 5, a movable compression bar 6, a frosted inner plate 7, a groove 8, a first clamping seat 9, a second clamping seat 10, a hydraulic telescopic rod 11, a traction handle 12, a limiting support 13, a central square groove 14, a vent hole 15, a sealing plate 16, a transmission sleeve 17, a thread rolling screw rod 18 and an operation rotating handle 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a mining negative pressure air door opening device, including stifled wall 1, the well upper position bolt fastening of stifled wall 1 has door frame body 2, and door frame body 2's one side position installs air door body 3, the top middle part position welding of door frame body 2 has combination square frame 4, and the dead ahead position of combination square frame 4 is provided with movable depression bar 6, the left side below position bolt fastening of combination square frame 4 has first cassette 9, one side position of movable depression bar 6 is provided with second cassette 10, and the rear of second cassette 10 is provided with hydraulic telescoping rod 11.

The air door bodies 3 are symmetrically arranged along the vertical central axis of the door frame body 2 as a symmetry axis, a groove 8 is formed in the right upper position of the front side of each air door body 3 through integral casting forming, the door frame body 2 is rotatably connected with the air door bodies 3 through hinge components, and under the cooperation of the rotary connection, one group of air door bodies 3 can be opened quickly through a free rotation mode; a frosted inner plate 7 is fixed on the inner portion of the groove 8 through a screw, one side face of the frosted inner plate 7 is attached to one side end of the movable pressing rod 6, the movable pressing rod 6 is rotatably connected with the first clamping seat 9 through a hinge shaft body, the movable pressing rod 6 is fixed with the second clamping seat 10 through a bolt, the second clamping seat 10 is rotatably connected with the movable end of the hydraulic telescopic rod 11, the hydraulic telescopic rod 11 is in transmission connection with the movable pressing rod 6 through the first clamping seat 9, the second clamping seat 10 and the combined frame 4, the frosted inner plate 7 is embedded into the air door body 3 through the groove 8, and a traction handle 12 is fixed on one side of the front face of the air door body 3 through a bolt; the appearance of the traction handle 12 is distributed in a U-shaped structure, a central square groove 14 is formed in the rear position of the traction handle 12, a limiting support 13 is welded in the rear position of the middle of the traction handle 12, the central square groove 14 and the air door body 3 are integrally formed, a perspective window 5 is embedded in the position above the front face of the air door body 3, and the arrangement of the perspective window 5 is convenient for constructors to quickly observe the underground construction environment through the air door; vent hole 15 has been seted up to the inside side of center square groove 14, and vent hole 15 is through integrated into one piece between center square groove 14 and the air door body 3, the dead ahead position cover of vent hole 15 has closing plate 16, and closing plate 16 is through center square groove 14 and air door body 3 sliding connection, the middle part position bolt fastening of closing plate 16 has transmission sleeve 17, and transmission sleeve 17's inside interlude is provided with thread rolling screw 18, thread rolling screw 18 and inject and alternate the setting between the support 13, and the operation is changeed 19 to one side outside cup joint of thread rolling screw 18, the operation is changeed 19 and is connected through injecing support 13 and transmission sleeve 17 transmission, the vent hole 15 of opening can play the operation that the whole device of cooperation carried out supplementary pressure release.

The working process comprises the following steps: when the air door is installed in the environment under the mine, the setting of the whole air door can play the role of guaranteeing the safety of the mine environment and mechanical equipment thereof, when the pressure relief operation of the air door is completed, and the whole air door needs to be opened, under the connection and matching of the combined square frame 4 and the groove 8, the hydraulic telescopic rod 11 after controlled starting is mutually matched through the second clamping seat 10, when one side end of the movable compression rod 6 is transversely ejected outwards, under the matching of a lever structure, as shown in fig. 2, the other side end of the movable compression rod 6 is synchronously overturned through the mutual matching of the movable compression rod and the first clamping seat 9, and the air door body 3 is inwards extruded through the frosted inner plate 7 in the moment, constructors can quickly open the whole air door by drawing and inwards pushing the drawing handle 12 through drawing, the purpose of assisting in opening the whole air door is achieved, when the whole negative pressure air door needs to be opened, under the matching of the auxiliary support of the limiting support 13, the operation rotating handle 19 after receiving the manual drawing action can carry the rolled wire 18 to achieve the rotating operation, the transmission sleeve 17 after receiving the transmission action, the drawing action, the sealing plate 16 can carry the drawing sealing plate, and the whole negative pressure venting plate can be normally matched, and the whole air door can be normally blocked from left to right, and the whole ventilation hole can be removed, and left, and right.

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

Claims

1. The utility model provides a mining negative pressure air door opening device, includes stifled wall (1), its characterized in that: the middle upper position bolt of stifled wall (1) is fixed with door frame body (2), and one side position of door frame body (2) installs air door body (3), the welding of the top middle part position of door frame body (2) has combination square frame (4), and the dead ahead position of combination square frame (4) is provided with movable depression bar (6), the left side below position bolt fastening of combination square frame (4) has first cassette (9), one side position of movable depression bar (6) is provided with second cassette (10), and the rear of second cassette (10) is provided with hydraulic telescoping rod (11).

2. The mining negative pressure air door opening device according to claim 1, characterized in that: air door body (3) are symmetry axis symmetry setting along the vertical axis of door frame body (2), the positive upper right position of air door body (3) is seted up flutedly (8) through integrative pouring shaping processing, door frame body (2) are connected through hinge component and air door body (3) rotation.

3. The mining negative pressure air door opening device according to claim 2, characterized in that: the utility model discloses a pneumatic door structure, including recess (8), activity depression bar (6), second cassette (10) and hydraulic telescoping rod (11), the inside fix with screw of recess (8) has dull polish inner panel (7), and laminates each other between a side of dull polish inner panel (7) and a side end of activity depression bar (6), activity depression bar (6) rotate through articulated axis body and first cassette (9) to be connected, and bolt fastening between activity depression bar (6) and second cassette (10), the expansion end of second cassette (10) and hydraulic telescoping rod (11) rotates to be connected, and hydraulic telescoping rod (11) are connected through first cassette (9), second cassette (10), combination square frame (4) and activity depression bar (6) transmission, dull polish inner panel (7) is through recess (8) and air door body (3) embedded setting, and the positive one side position bolt fastening of air door body (3) has traction handle (12).

4. The mining negative pressure air door opening device according to claim 3, characterized in that: the appearance of pulling handle (12) is "U" type structural distribution and sets up, and pulls the rear position of handle (12) and has seted up central square groove (14), the middle part rear position welding of pulling handle (12) has injectd support (13), integrated into one piece sets up between central square groove (14) and air door body (3), and the positive top position embedded perspective window (5) of installing of air door body (3).

5. The mining negative pressure air door opening device according to claim 4, characterized in that: vent hole (15) have been seted up to the inside side of center square groove (14), and vent hole (15) through integrated into one piece between center square groove (14) and air door body (3), the dead ahead position in vent hole (15) covers has closing plate (16), and closing plate (16) are through center square groove (14) and air door body (3) sliding connection, the middle part position bolt fastening of closing plate (16) has transmission sleeve (17), and the inside interlude of transmission sleeve (17) is provided with thread rolling lead screw (18), thread rolling lead screw (18) with the setting of interlude between thread rolling lead screw (18) and injecing support (13), and the outside of one side of thread rolling lead screw (18) has cup jointed the operation and has changeed handle (19), the operation is changeed handle (19) and is connected through injecing support (13) and transmission sleeve (17).