CN213743483U

CN213743483U - Safety explosion-proof device for coal mine ventilation

Info

Publication number: CN213743483U
Application number: CN202022444933.3U
Authority: CN
Inventors: 刘磊; 张龙堂; 张含屹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-20
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a colliery is safety explosion-proof equipment for ventilation relates to colliery safety explosion-proof technical field. The utility model discloses mainly include supporting mechanism and the mechanism that opens and shuts, supporting mechanism includes the support frame of vertical setting, the inside fixed mounting of support frame has a ventilation fan that is used for the ventilation, the mechanism that opens and shuts includes that fixed mounting is located ventilation fan blowing mouth one side on the support frame and the shutter that can open and shut. The utility model discloses a ventilation fan can effectually ventilate for the coal mining tunnel, can provide fresh air and dilute harmful gas for the staff, and the shutter structure that can open and shut that increases simultaneously keeps off in ventilation fan's the department of blowing, can enough adjust the direction of distinguished and admirable, can close the shutter again when the colliery collapses, prevents to blow into the tunnel with harmful gas.

Description

Safety explosion-proof device for coal mine ventilation

Technical Field

The utility model relates to a coal mine safety explosion-proof technology field, concretely relates to safety explosion-proof equipment is used in colliery ventilation.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others.

In the excavation process of a coal mine, ventilation is an important process, and because air is not circulated and harmful gas can be generated in the coal mine mining process, the influence on the body of mining personnel can be caused, and the ventilation has the function of providing fresh air for a mine to ensure the normal breathing of underground workers; dust and toxic and harmful gas generated in the process of discharging or diluting work ensure the normal operation of safe production; the working environment of a mine is improved, and the underground climate and environment are adjusted; the ventilation is effective when the safety accident happens, a good environment can be created for disaster relief work, most of the ventilation in the existing coal mining adopts the exposed fan to directly ventilate, and in case of collapse of the coal mine, the fan can blow a large amount of harmful gases such as gas, smoke dust and the like into a roadway to cause harm to workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem provided in the background art, the utility model provides a safety explosion-proof device is used in colliery ventilation.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

safety explosion-proof equipment is used in colliery ventilation includes:

the supporting mechanism comprises a supporting frame which is vertically arranged, and a ventilating fan for ventilation is fixedly arranged in the supporting frame;

the opening and closing mechanism comprises a shutter which is fixedly installed on the support frame, is positioned on one side of the air blowing opening of the ventilating fan and can be opened and closed.

Preferably, the support frame includes two rectangular frame that set up from top to bottom and be the horizontality, two rectangular frame symmetry each other, two fixedly connected with head rod, two between the symmetrical both sides of rectangular frame fixedly connected with two and head rod mutually perpendicular's second connecting rod, two between the head rod second connecting rod and two the head rod constitutes a rectangle, ventilation fan fixed mounting is two between head rod and two second connecting rods.

Preferably, two baffles which are symmetrical to each other and perpendicular to the rectangular frames are fixedly connected between the same sides of the two rectangular frames, the two baffles are respectively positioned at two ends of one side of the rectangular frames, and the louver is fixedly installed between the two rectangular frames and the two baffles.

Preferably, the shutter includes a plurality of mutual symmetry and parallel hinge, and is a plurality of the equal fixed mounting in one side that the hinge is the same has the pivot, the both ends of pivot are articulated with two rectangular frame respectively, still are provided with on the rectangular frame that is located the top and are used for driving a plurality of hinge pivoted drive assembly.

Preferably, the drive assembly includes the fixed plate with rectangular frame looks adaptation at rectangular frame one side top, the top fixed mounting of fixed plate has the rotatable lead screw that just matches mutually with the fixed plate, there is the motor with the corresponding fixed position of lead screw on the fixed plate, the output of motor and the one end fixed connection of lead screw, the screw thread has cup jointed the thread piece on the lead screw, there is T type slide rail with the corresponding fixed position of thread piece on the fixed plate, fixed mounting has the rack on the thread piece, rack slidable mounting is on T type slide rail, and is a plurality of the one end equal activity that the pivot is close to the fixed plate runs through the fixed plate, and is a plurality of the one end that the pivot is located the fixed plate top is all fixed has cup jointed the roller gear, and is a plurality of the roller gear all with rack intermeshing.

Preferably, a protective cover for shielding the driving assembly is further mounted on the rectangular frame.

The utility model provides a coal mine ventilation is with safe explosion-proof equipment mainly includes the supporting mechanism and opens and shuts the mechanism, and the supporting mechanism includes the support frame of vertical setting, and the inside fixed mounting of support frame has a ventilation fan that is used for the ventilation, and the mechanism that opens and shuts includes that fixed mounting is located ventilation fan blowing mouth one side on the support frame and is the shutter that can open and shut. The utility model discloses a ventilation fan can effectually ventilate for the coal mining tunnel, can provide fresh air and dilute harmful gas for the staff, and the shutter structure that can open and shut that increases simultaneously keeps off in ventilation fan's the department of blowing, can enough adjust the direction of distinguished and admirable, can prevent again to blow into the tunnel with harmful gas when the colliery collapses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the shutter in a closed state according to the present invention;

FIG. 2 is a schematic view of the open position of the blind according to the present invention;

fig. 3 is a schematic perspective view of the present invention in another direction;

fig. 4 is a front view of the present invention;

fig. 5 is a side view of the present invention;

FIG. 6 is a cross-sectional view taken along the direction A-A of the present invention;

fig. 7 is a sectional view in the direction B-B of the present invention.

In fig. 1-7:

1. a support mechanism; 2. an opening and closing mechanism; 3. a drive assembly; 4. a protective cover; 11. a support frame; 12. a ventilating fan; 21. a blind window; 31. a fixing plate; 32. a lead screw; 33. a motor; 34. a thread block; 35. a T-shaped slide rail; 36. a gear rack; 37. a roller gear; 111. a rectangular frame; 112. a first connecting rod; 113. a second connecting rod; 114. a baffle plate; 211. a hinge; 212. a rotating shaft.

Detailed Description

The core of this embodiment lies in providing colliery ventilation and uses safe explosion-proof equipment, the utility model discloses a ventilation fan can effectually ventilate for coal mining tunnel, can provide fresh air and dilute harmful gas for the staff, and the shutter structure that can open and shut that increases simultaneously keeps off in the department of blowing of ventilation fan, can enough adjust the direction of distinguished and admirable, can prevent again to blow into the tunnel with harmful gas when the colliery collapses, has solved the difficult problem in this field at present stage.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Please refer to fig. 1, fig. 2, fig. 4 and fig. 5 for a safety explosion-proof device for coal mine ventilation provided by the embodiment; the support mechanism 1 comprises a support frame 11 which is vertically arranged, a ventilating fan 12 for ventilation is fixedly arranged in the support frame 11, the support frame 11 comprises two rectangular frames 111 which are vertically arranged and in a horizontal state, the two rectangular frames 111 are symmetrical to each other, a first connecting rod 112 is fixedly connected between two symmetrical sides of the two rectangular frames 111, two second connecting rods 113 which are perpendicular to the first connecting rods 112 are fixedly connected between the two first connecting rods 112, the two second connecting rods 113 and the two first connecting rods 112 form a rectangle, the support frame 11 is stable in structure and can bear certain impact force, a protection plate is arranged on the rectangular frame 111 which is positioned at the upper part and can prevent a coal mine above from collapsing and smashing the ventilating fan 12, and the ventilating fan 12 is fixedly arranged between the two first connecting rods 112 and the two second connecting rods 113, the opening and closing mechanism 2 comprises a shutter 21 which is fixedly arranged on one side of a blowing port of the ventilating fan 12 and can be opened and closed, two baffle plates 114 which are symmetrical to each other and vertical to the rectangular frames 111 are fixedly connected between the same sides of the two rectangular frames 111, the baffle plates 114 can play a role of connecting the two rectangular frames 111, the two baffle plates 114 are respectively arranged at two ends of one side of the rectangular frames 111, the shutter 21 is fixedly arranged between the two rectangular frames 111 and the two baffle plates 114, the shutter 21 comprises a plurality of hinges 211 which are symmetrical and parallel to each other, a rotating shaft 212 is fixedly arranged at one side which is the same with the plurality of hinges 211, two ends of the rotating shaft 212 are respectively hinged with the two rectangular frames 111, the rotating directions of the plurality of hinges 211 are the same and face the inside of the supporting frame 11 of the coal mine, when the collapse above is avoided, the device is buried, at the moment, the outward rotation of the plurality of hinges 211 can not radiate the wind of the ventilating fan 12, therefore, the hinges 211 can be rotated towards the inside of the support frame 11 to ensure the use of the device, and the driving assembly 3 for driving the hinges 211 to rotate is further arranged on the upper rectangular frame 111.

Further, referring to fig. 3, 6 and 7, the driving assembly 3 includes a fixing plate 31 fixedly installed at the top of one side of the rectangular frame 111 and adapted to the rectangular frame 111, a screw rod 32 rotatably installed above the fixing plate 31 and adapted to the fixing plate 31, a motor 33 fixedly installed on the fixing plate 31 at a position corresponding to the screw rod 32, an output end of the motor 33 fixedly connected to one end of the screw rod 32, the other end of the screw rod 32 rotatably installed on a supporting block fixed on the fixing plate 31, a screw block 34 screwed on the screw rod 32, a T-shaped slide rail 35 fixedly installed on the fixing plate 31 at a position corresponding to the screw block 34, a gear bar 36 fixedly installed on the screw block 34, the gear bar 36 slidably installed on the T-shaped slide rail 35, one ends of the plurality of rotating shafts 212 close to the fixing plate 31 movably penetrate through the fixing plate 31, one ends of the plurality of rotating shafts 212 above the fixing plate 31 are fixedly sleeved with a rolling gear 37, the plurality of rolling gears 37 are meshed with the gear strips 36, when the driving assembly 3 drives the plurality of hinges 211 to be opened, the control motor 33 operates to drive the screw rod 32 on the output end to rotate, so that the thread block 34 on the screw rod 32 drives the gear strips 36 to slide along the T-shaped slide rail 35, and the plurality of rolling gears 37 are driven to rotate, the plurality of hinges 211 are opened or closed, and it should be particularly noted that the rolling gears 37 are fixedly connected with the rotating shaft 212, and the rotating shaft 212 is rotatably connected with the fixing plate 31.

Referring to fig. 4, the rectangular frame 111 is further provided with a protective cover 4 for shielding the driving assembly 3, and the protective cover 4 can protect the driving assembly 3 from normal operation and prevent the driving assembly 3 from being broken by an upper coal mine.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Colliery is safety explosion-proof equipment for ventilation, its characterized in that includes:

the supporting mechanism (1) comprises a supporting frame (11) which is vertically arranged, and a ventilating fan (12) for ventilation is fixedly installed in the supporting frame (11);

the opening and closing mechanism (2), the opening and closing mechanism (2) comprises a shutter (21) which is fixedly installed on the support frame (11), is positioned on one side of the air blowing port of the ventilating fan (12) and can be opened and closed.

2. The coal mine ventilation safety explosion-proof device according to claim 1, wherein the supporting frame (11) comprises two rectangular frames (111) which are arranged up and down and are in a horizontal state, the two rectangular frames (111) are symmetrical to each other, a first connecting rod (112) is fixedly connected between two symmetrical sides of the two rectangular frames (111), two second connecting rods (113) which are perpendicular to the first connecting rods (112) are fixedly connected between the two first connecting rods (112), the two second connecting rods (113) and the two first connecting rods (112) form a rectangle, and the ventilating fan (12) is fixedly installed between the two first connecting rods (112) and the two second connecting rods (113).

3. The coal mine ventilation safety explosion-proof device according to claim 2, wherein two baffles (114) which are symmetrical to each other and perpendicular to the rectangular frame (111) are fixedly connected between the same sides of the two rectangular frames (111), the two baffles (114) are respectively positioned at two ends of one side of the rectangular frame (111), and the louver (21) is fixedly installed between the two rectangular frames (111) and the two baffles (114).

4. The safety explosion-proof device for coal mine ventilation according to claim 3, characterized in that the louver (21) comprises a plurality of hinges (211) which are symmetrical and parallel to each other, a rotating shaft (212) is fixedly installed on the same side of the plurality of hinges (211), two ends of the rotating shaft (212) are respectively hinged with the two rectangular frames (111), and a driving assembly (3) for driving the plurality of hinges (211) to rotate is further arranged on the rectangular frame (111) above.

5. The coal mine ventilation safety explosion-proof device according to claim 4, wherein the driving assembly (3) comprises a fixing plate (31) which is fixedly arranged at the top of one side of the rectangular frame (111) and is matched with the rectangular frame (111), a screw rod (32) which can rotate and is matched with the fixing plate (31) is fixedly arranged above the fixing plate (31), a motor (33) is fixedly arranged at a position on the fixing plate (31) corresponding to the screw rod (32), the output end of the motor (33) is fixedly connected with one end of the screw rod (32), a thread block (34) is sleeved on the screw rod (32) in a threaded manner, a T-shaped sliding rail (35) is fixedly arranged at a position on the fixing plate (31) corresponding to the thread block (34), a gear bar (36) is fixedly arranged on the thread block (34), and the gear bar (36) is slidably arranged on the T-shaped sliding rail (35), a plurality of the one end that pivot (212) are close to fixed plate (31) is all the activity and runs through fixed plate (31), and is a plurality of the one end that pivot (212) are located fixed plate (31) top all fixedly cup joints gear hobbing (37), and is a plurality of gear hobbing (37) all with rack (36) intermeshing.

6. A safety vent apparatus for coal mine ventilation according to claim 5, wherein a shield (4) for shielding the drive assembly (3) is further mounted on the rectangular frame (111).