Mine explosive-proof device

Abstract

The utility model relates to the technical field of mine explosion-proof devices, and provides a mine explosion-proof device which comprises an explosion-proof main body, a first mounting plate and a second mounting plate, one side, facing the first mounting plate, of the explosion-proof main body is fixedly connected with a connecting rod, and two sides of the connecting rod are fixedly connected with first pull ropes; a clamping structure used for clamping the connecting rod is arranged on the side, facing the explosive-proof body, of the first mounting plate and fixedly connected with the connecting rod, first fixed pulleys are arranged on the two sides of the clamping structure and rotationally connected with the first mounting plate, and the first pull rope penetrates through the first fixed pulleys and is in sliding connection with the first fixed pulleys. And the second mounting plate is fixedly connected with the explosion-proof main body. By means of the technical scheme, the problems that in the prior art, an existing mine explosive-proof device is usually large in weight, operators need to carry the heavy explosive-proof device to the top of a mine for installation, the operation difficulty and labor intensity are increased, and the installation efficiency and operation safety are possibly affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine explosion-proof device technical field, specifically, relate to a mine explosion-proof device. BACKGROUND

[0002] Gas and coal dust explosion is a serious mine accident. With the development of science and technology, the safety situation of coal mine has been greatly changed, but the gas and coal dust explosion accident has not been completely curbed.

[0003] The existing automatic explosion-proof device in coal mine is an automatic explosion-proof device for isolating the spread of gas and coal dust explosion and preventing chain explosion. When gas explosion occurs in the mine, the device receiving plate receives the shock wave signal of the explosion, the device cover sprays explosion-proof medium, forms a fire extinguishing powder mist area, suppresses the explosion flame, effectively blocks the spread of explosion, avoids more dangerous continuous explosion, and ensures the safety of the underground operation environment.

[0004] However, the existing mine explosion-proof device usually has a large weight, which brings many inconveniences in the installation and maintenance process. In the underground operation environment, the operation personnel need to carry these heavy explosion-proof devices to the top of the mine and install them, which not only increases the operation difficulty and labor intensity, but also may affect the installation efficiency and operation safety. UTILITY MODEL CONTENTS

[0005] The utility model provides a mine explosion-proof device convenient to install, reduces the operation difficulty and labor intensity of operation personnel, and improves the installation efficiency and operation safety.

[0006] The technical scheme of the utility model is as follows:

[0007] A mine explosion-proof device, comprising an explosion-proof main body, a first mounting plate, and a second mounting plate, wherein the explosion-proof main body is fixedly connected with a connecting rod on one side facing the first mounting plate, the connecting rod is fixedly connected with first pull ropes on both sides, the first mounting plate is provided with a clamping structure for clamping the connecting rod on one side facing the explosion-proof main body, the clamping structure is fixedly connected with the connecting rod, the clamping structure is provided with first fixed pulleys on both sides, the first fixed pulleys are rotatably connected with the first mounting plate, the first pull ropes pass through the first fixed pulleys and are slidably connected with the first fixed pulleys, and the second mounting plate is fixedly connected with the explosion-proof main body.

[0008] Further, the clamping structure comprises a plurality of C-shaped clamping pieces and a clamping structure for driving the clamping pieces to clamp the connecting rod, the C-shaped clamping pieces are rotatably connected with the first mounting plate, the plurality of C-shaped clamping pieces are linearly arranged along the connecting rod, adjacent C-shaped clamping pieces face opposite directions, the C-shaped clamping pieces are sleeved on the outer surface of the connecting rod, and the C-shaped clamping pieces are connected with the clamping structure.

[0009] Furthermore, the clamping structure includes two rotating rods, which are rotatably connected to the first mounting plate. The two rotating rods are respectively fixedly connected to a plurality of first gears and a plurality of second gears, and the plurality of C...

[0010] The clamping member is connected to the first mounting plate with toothed protrusions at the end. Two adjacent toothed protrusions mesh with the first gear or the second gear respectively. The rotating rod is provided with a drive structure for driving the rotating rod to rotate.

[0011] Furthermore, the drive structure includes a third gear and a rack. The third gear is fixedly connected to the rotating rod, and the rack is slidably connected to the first mounting plate. The rack is located between the two rotating rods, and gears are provided on both sides of the rack facing the two rotating rods. The two sides of the rack facing the rotating rods respectively mesh with the third gears of the two rotating rods. A connecting groove is provided at one end of the rack facing the connecting rod, and the connecting rod abuts against the connecting groove. The rack is provided with a limiting member for limiting the rack, and the limiting member abuts against the first mounting plate.

[0012] Furthermore, the limiting component includes a triangular block and a return spring. One side of the triangular block is embedded in the rack, and one end of the triangular block is rotatably connected to the rack. The return spring is located between the triangular block and the rack, and both ends of the return spring abut against the triangular block and the rack, respectively. The triangular block abuts against the first mounting plate.

[0013] Furthermore, a second fixed pulley is provided on the side of the second mounting plate facing the explosion-proof body, and a second pull rope is fixedly connected to the explosion-proof body. The second pull rope passes through the second fixed pulley and is slidably connected to the second fixed pulley.

[0014] The working principle and beneficial effects of this utility model are as follows:

[0015] This invention effectively distributes the weight of the explosion-proof body by introducing a connecting rod, a first pull rope, and a first fixed pulley. The use of the pulley reduces the direct load-bearing requirements for operators during handling, thereby reducing the difficulty and labor intensity of the operation. The combination of the clamping structure and the first pull rope makes it easier to fix and adjust the explosion-proof device during installation. Operators can precisely position the equipment in the installation position by sliding the pull rope, eliminating the need for multiple handling and adjustments and improving work efficiency. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a front view of the present invention;

[0019] Figure 3 It is the structure schematic view of the first mounting plate in the utility model;

[0020] Figure 4 It is the front view of the first mounting plate in the utility model;

[0021] Figure 5 It is the structure schematic view of the first mounting plate in the utility model; Figure 4 It is the section view of A-A of the first mounting plate in the utility model;

[0022] Figure 6 It is the section view of B-B of the first mounting plate in the utility model; Figure 4 It is the section view of C-C of the first mounting plate in the utility model;

[0023] Figure 7 It is the section view of D-D of the first mounting plate in the utility model; Figure 4 It is the section view of D-D of the first mounting plate in the utility model;

[0024] Figure 8 It is the section view of D-D of the first mounting plate in the utility model; Figure 7 It is the section view of D-D of the first mounting plate in the utility model;

[0025] Figure 9 It is the section view of D-D of the first mounting plate in the utility model; Figure 8 It is the section view of D-D of the first mounting plate in the utility model;

[0026] Figure 10 It is the structure schematic view of the first mounting plate in the utility model before installation.

[0027] In the drawing: 1, explosion-proof main body; 2, first mounting plate; 3, second mounting plate; 11, connecting rod; 21, C-shaped clamping piece; 22, first fixed pulley; 23, first pull rope; 24, rotating rod; 25, rack; 31, second fixed pulley; 32, second pull rope; 211, toothed protrusion; 241, first gear; 242, second gear; 243, third gear; 251, triangular block; 252, reset spring; 253, connecting groove body. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only 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 creative labor are involved in the protection scope of the utility model.

[0029] As Figures 1-10As shown, the embodiment proposes a mine explosion-proof device, comprising an explosion-proof main body 1, a first mounting plate 2, a second mounting plate 3, the explosion-proof main body 1 is fixedly connected with a connecting rod 11 on the side facing the first mounting plate 2, the two sides of the connecting rod 11 are fixedly connected with a first pull rope 23, the first mounting plate 2 is provided with a clamping structure for clamping the connecting rod 11 on the side facing the explosion-proof main body 1, the clamping structure is fixedly connected with the connecting rod 11, the two sides of the clamping structure are provided with a first fixed pulley 22, the first fixed pulley 22 is rotatably connected with the first mounting plate 2, the first pull rope 23 passes through the first fixed pulley 22 and is slidably connected with the first fixed pulley 22, and the second mounting plate 3 is fixedly connected with the explosion-proof main body 1.

[0030] The explosion-proof main body 1 as the core explosion-proof part provides reliable explosion-proof function, the explosion-proof main body 1 is prior art, specifically, the embodiment will not be described again. The first mounting plate 2 is mainly used for mounting the explosion-proof main body 1, and cooperates with the clamping structure and the first pull rope 23 to realize stable installation and operation of the explosion-proof device. The second mounting plate 3 is used for further fixing the explosion-proof main body 1 and providing additional support and stability. The connecting rod 11 is used for connecting the explosion-proof main body 1 and the first mounting plate 2, and is fixedly connected through the clamping structure; the setting of the connecting rod 11 simplifies the connecting structure between the explosion-proof main body 1 and the mounting plate, making the installation process more convenient; at the same time, it also provides connection and support for the clamping structure and the pull rope. The first pull rope 23 passes through the first fixed pulley 22 and is slidably connected therewith, the position of the explosion-proof main body 1 can be adjusted or controlled by pulling the pull rope; the setting of the first pull rope 23 makes it possible to adjust the position of the explosion-proof main body 1 by using the pulley system during installation or maintenance, reducing the difficulty of directly carrying the main body, thereby reducing the burden of the operating personnel and improving the efficiency of installation and operation. The clamping structure is used for clamping the connecting rod 11 and fixing it on the first mounting plate 2, ensuring the firm connection of the explosion-proof main body 1 and the mounting plate. The first fixed pulley 22 is rotatably connected with the first mounting plate 2 and slidably connected with the first pull rope 23, and plays a guiding role, so that the pull rope can smoothly adjust the position of the explosion-proof main body 1.

[0031] The clamping structure comprises a plurality of C-shaped clamping pieces 21, a clamping structure for driving the clamping pieces to clamp the connecting rod 11, the C-shaped clamping pieces 21 are rotationally connected with the first mounting plate 2, the plurality of C-shaped clamping pieces 21 are linearly arranged along the connecting rod 11, adjacent C-shaped clamping pieces 21 face opposite directions, the C-shaped clamping pieces 21 are sleeved on the outer surface of the connecting rod 11, and the C-shaped clamping pieces 21 are connected with the clamping structure. The clamping structure comprises two rotating rods 24, the rotating rods 24 are rotationally connected with the first mounting plate 2, the rotating rods 24 are respectively fixedly connected with a plurality of first gears 241 and a plurality of second gears 242, the connecting end of the C-shaped clamping piece 21 is provided with a toothed protrusion 211, and adjacent two toothed protrusions 211 are respectively meshed with the first gear 241 or the second gear 242. The rotating rod 24 is provided with a driving structure for driving the rotating rod 24 to rotate. The driving structure comprises a third gear 243 and a rack 25, the third gear 243 is fixedly connected with the rotating rod 24, the rack 25 is slidingly connected with the first mounting plate 2, the rack 25 is located between the two rotating rods 24, the rack 25 is provided with gears on the two sides facing the two rotating rods 24, the two sides of the rack 25 facing the rotating rods 24 are respectively meshed with the third gears 243 of the two rotating rods 24, one end of the rack 25 facing the connecting rod 11 is provided with a connecting groove 253, the connecting rod 11 abuts against the connecting groove 253, the rack 25 is provided with a limiting piece for limiting the rack 25, and the limiting piece abuts against the first mounting plate 2. The limiting piece comprises a triangular block 251 and a return spring 252, one side of the triangular block 251 is embedded in the rack 25, one end of the triangular block 251 is rotationally connected with the rack 25, the return spring 252 is located between the triangular block 251 and the rack 25, the two ends of the return spring 252 are respectively abutted against the triangular block 251 and the rack 25, and the triangular block 251 abuts against the first mounting plate 2.

[0032] The C-shaped clamping piece 21 is a main component for clamping the connecting rod 11. Through the linear arrangement of multiple C-shaped clamping pieces 21, multi-point clamping of the connecting rod 11 can be achieved, improving the overall stability and firmness. The opposite direction design of adjacent C-shaped clamping pieces 21 enhances the reliability of clamping and prevents the connecting rod 11 from sliding or loosening. The clamping structure is used to drive the C-shaped clamping piece 21 to clamp the connecting rod 11, including a rotating rod 24, first gears 241, second gears 242, third gears 243, and a rack 25. The overall structure realizes precise control of the C-shaped clamping piece 21 through gear meshing and rack 25 driving. Through complex gear and rack 25 structure design, the clamping structure can realize synchronous clamping and loosening operation, ensuring uniform force of the C-shaped clamping piece 21 and avoiding the offset or damage of the connecting rod 11 due to uneven force. In addition, this design improves the convenience and precision of operation, especially during installation and adjustment, effectively improving work efficiency. The rotating rod 24 is rotationally connected with the first mounting plate 2, driving the rotation of several first gears 241 or second gears 242, and then controlling the clamping or loosening of the C-shaped clamping piece 21. The setting of the rotating rod 24 enables the clamping structure to realize clamping operation through rotary motion, which not only simplifies the operation steps, but also makes the entire structure more compact and stable, which is conducive to operation in narrow mine environments. The first gears 241 and second gears 242 are respectively meshed with the toothed protrusions 211 of the adjacent two C-shaped clamping pieces 21, controlling the clamping or loosening of the C-shaped clamping piece 21 through rotary motion. Gear meshing design ensures the synchronous movement of the C-shaped clamping piece 21, making the clamping process more stable and reliable, avoiding the influence of the overall stability due to the abnormal action of a single clamping piece. The design of the toothed protrusions 211 also enhances the firmness of clamping, further improving the fixing effect of the connecting rod 11. The third gear 243 is fixedly connected with the rotating rod 24, and the rack 25 is located between the two rotating rods 24. The third gear 243 is rotated by the sliding of the rack 25, then controlling the rotation of the rotating rod 24, realizing the driving of the clamping structure. The connecting groove body 253 is located at one end of the rack 25 facing the connecting rod 11, used for abutting with the connecting rod 11, ensuring that the rack 25 always maintains the correct direction and position during operation. The design of the connecting groove body 253 ensures the stable contact between the rack 25 and the connecting rod 11, preventing the rack 25 from shifting or misoperation during operation, thereby improving the reliability and safety of the entire clamping structure. The limiting piece is used to limit the rack 25, ensuring that the rack 25 maintains the correct position during operation. The triangular block 251 is embedded in the rack 25 and connected with the return spring 252. Through the force of the spring, the triangular block 251 always maintains abutment with the first mounting plate 2.The limiting piece is used to fix the position of the rack 25 after the connecting rod 11 is fixed by the clamping structure, thereby limiting the rotation of the rotating rod 24, preventing the rotating rod 24 from reversing, causing the clamping structure to loosen the connection with the connecting rod 11; the triangular block 251 in the limiting piece is the limiting main body, the triangular block 251 is rotationally connected with the rack 25, so that the triangular block 251 can move, thereby enabling it to be embedded into the first mounting plate 2 and abut against the first mounting plate 2; the reset spring 252 is used to reset the triangular block 251 after it is embedded into the first mounting plate 2, thereby enabling the triangular block 251 to abut against the first mounting plate 2, so as to limit the movement of the rack 25.

[0033] In the embodiment, the second mounting plate 3 is provided with a second fixed pulley 31 on the side facing the explosion-proof main body 1, and the explosion-proof main body 1 is fixedly connected with a second pull rope 32, which passes through the second fixed pulley 31 and is in sliding connection with the second fixed pulley 31. The second fixed pulley 31 is rotationally connected with the second mounting plate 3 and guides the movement of the second pull rope 32 through the pulley system, so that the explosion-proof main body 1 can be positioned and adjusted more smoothly; the arrangement of the second fixed pulley 31 can reduce the frictional resistance of the pull rope during movement, making the installation and adjustment of the explosion-proof main body 1 more comfortable and smooth. Through the guiding action of the pulley, accurate positioning and safe installation of the explosion-proof main body 1 can be easily achieved, avoiding the tediousness and danger of directly carrying the main body. One end of the second pull rope 32 is fixedly connected to the explosion-proof main body 1, and the other end passes through the second fixed pulley 31 and is in sliding connection therewith, for controlling the lifting or movement of the explosion-proof main body 1. The arrangement of the first pull rope 23 and the second pull rope 32 enables the operating personnel to adjust the position through the pull rope when installing the explosion-proof main body 1, without having to directly carry the heavy main body, which not only reduces the physical labor intensity, but also improves the safety of operation, reduces the potential accident risk caused by manual carrying, and the combination of the pull rope and the pulley also allows more precise control, making the installation process more accurate and efficient. The first pull rope 23 and the second pull rope can be made of steel wire rope, which has the characteristics of high strength and can support the weight of the explosion-proof main body 1, ensuring that the explosion-proof main body 1 is stably fixed at the top of the mine.

[0034] The working process of the embodiment is as follows: first, the first mounting plate 2 and the second mounting plate 3 are fixed on the top of the mine at appropriate positions according to the size of the explosion-proof main body 1 through bolts; one end of the first pull rope 23 is fixedly connected with the connecting rod 11, and the second pull rope is fixedly connected with the explosion-proof main body 1; the first pull rope 23 and the second pull rope are respectively threaded through the first fixed pulley 22 or the second fixed pulley 31; the explosion-proof main body 1 is moved to the top of the mine by pulling the first pull rope 23 and the second pull rope; when the connecting rod 11 hits the connecting groove body 253, the rack 25 moves to the first mounting plate 2, at the same time, the connecting rod 11 gradually enters the C-shaped clamping piece 21, at the same time, the C-shaped clamping piece 21 moves to the connecting rod 11 and clamps the connecting rod 11; the triangular block 251 is gradually pressed to rotate to the inside of the rack 25 by the first mounting plate 2 with the movement of the rack 25, after the triangular block 251 passes through the first mounting plate 2, the reset spring 252 resets the triangular block 251, and the triangular block 251 abuts against the first mounting plate 2; finally, the first pull rope 23 and the second pull rope are fixed on the wall surface of the mine or on the first mounting plate 2 and the second mounting plate 3, and the installation of the explosion-proof main body 1 is completed.

[0035] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A mine explosion-proof device comprising an explosion-proof main body (1), a first mounting plate (2), a second mounting plate (3), characterized in that, The explosion-proof main body (1) is fixedly connected with a connecting rod (11) on one side of the first mounting plate (2), both sides of the connecting rod (11) are fixedly connected with a first pull rope (23), one side of the first mounting plate (2) is provided with a clamping structure for clamping the connecting rod (11), the clamping structure is fixedly connected with the connecting rod (11), both sides of the clamping structure are provided with a first fixed pulley (22), the first fixed pulley (22) is rotatably connected with the first mounting plate (2), the first pull rope (23) passes through the first fixed pulley (22) and is slidably connected with the first fixed pulley (22), and the second mounting plate (3) is fixedly connected with the explosion-proof main body (1).

2. A mine flameproof apparatus according to claim 1, characterised in that The clamping structure comprises a plurality of C-shaped clamping pieces (21) and a clamping structure for driving the clamping pieces to clamp the connecting rod (11), the C-shaped clamping pieces (21) are rotatably connected with the first mounting plate (2), a plurality of the C-shaped clamping pieces (21) are linearly arranged along the connecting rod (11), adjacent C-shaped clamping pieces (21) face opposite directions, the C-shaped clamping pieces (21) are sleeved on the outer surface of the connecting rod (11), and the C-shaped clamping pieces (21) are connected with the clamping structure.

3. A mine flameproof apparatus according to claim 2, wherein The clamping structure comprises two rotating rods (24), the rotating rods (24) are rotatably connected with the first mounting plate (2), the rotating rods (24) are fixedly connected with a plurality of first gears (241) and a plurality of second gears (242) respectively, a plurality of the C-shaped clamping pieces (21) are provided with toothed protrusions (211) at the connection end of the first mounting plate (2), adjacent two toothed protrusions (211) are meshed with the first gears (241) or the second gears (242) respectively, and the rotating rods (24) are provided with a driving structure for driving the rotating rods (24) to rotate.

4. A mine flameproof apparatus according to claim 3, wherein The driving structure comprises a third gear (243) and a rack (25), the third gear (243) is fixedly connected with the rotating rod (24), the rack (25) is slidably connected with the first mounting plate (2), the rack (25) is located between the two rotating rods (24), both sides of the rack (25) towards the two rotating rods (24) are provided with gears, the rack (25) towards the two sides of the rotating rod (24) is meshed with the third gears (243) of the two rotating rods (24) respectively, one end of the rack (25) towards the connecting rod (11) is provided with a connecting groove (253), the connecting rod (11) abuts against the connecting groove (253), and the rack (25) is provided with a limiting piece for limiting the rack (25), and the limiting piece abuts against the first mounting plate (2).

5. A mine flameproof apparatus according to claim 4, wherein The limiting piece comprises a triangular block (251) and a reset spring (252), one side of the triangular block (251) is embedded in the rack (25), one end of the triangular block (251) is rotatably connected with the rack (25), the reset spring (252) is located between the triangular block (251) and the rack (25), and both ends of the reset spring (252) abut against the triangular block (251) and the rack (25) respectively, and the triangular block (251) abuts against the first mounting plate (2).

6. A mine flameproof apparatus according to claim 1, wherein Second mounting plate (3) is provided with second fixed pulley (31) to one side of explosion-proof main body (1), explosion-proof main body (1) is fixedly connected with second pull rope (32), second pull rope (32) passes through second fixed pulley (31), and is slidably connected with second fixed pulley (31).

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