Novel carbon dioxide explosion suppressor for mining pipeline

Abstract

The utility model relates to the technical field of coal mining, and discloses a novel carbon dioxide explosion suppressor for a mining pipeline, which comprises an annular cover and a worm gear, the middle of the annular cover is connected with an explosion suppression mechanism, the worm gear is rotatably connected in the annular cover, the worm gear is meshed with a worm, and the worm is connected with a motor. The worm is driven by a driving assembly to rotate, a spiral track is fixedly arranged at the bottom end of the worm wheel, and four vertical rods are slidably connected to the bottom end of the annular cover; the horizontal direction of the explosion suppression mechanism can be limited through a clamping groove of a supporting plate, a worm is driven through a driving assembly and can drive a spiral track to rotate through a worm gear, a baffle ring can support and limit the worm gear, the spiral track can convert rotary motion into linear motion of a vertical rod, four clamping plates can synchronously contract, and an annular cover can be limited; the supporting plate can be tightly attached to the explosion suppression mechanism, and rapid installation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a novel carbon dioxide explosion suppressor for mining pipelines. Background Art

[0002] In the process of coal mining, gas exists as a kind of associated gas. With the growth of coal production, my country's gas emissions are also increasing year by year. The effective and safe use of coal mine gas can not only effectively reduce and prevent the occurrence of major gas accidents in coal mines, but also bring huge economic and environmental benefits. In the transportation of gas, pipeline transportation is mostly adopted, so carbon dioxide explosion suppressors need to be installed on the transportation pipelines.

[0003] Its application number is "CN202222568283.2". The "gas pipeline powder spraying explosion suppression treatment device" disclosed in it "comprises a gas pipeline, the top of which is connected to an explosion suppressor tank body, the top of which is connected to a mounting seat, a connecting ring is provided on the top of the mounting seat, a powder sprayer is provided on the inner wall of the connecting ring, the bottom end of the powder sprayer is located inside the explosion suppressor tank body, and a mounting groove is provided on the mounting seat. The number of the mounting grooves is four, and the interior of the mounting groove is rotatably connected to a fixing card through a rotating shaft, and the fixing card is adapted to the connecting ring." In the utility model, through the cooperation of the mounting seat, the connecting ring, the mounting groove, the fixing card, the slot, the slide groove and the mounting card, the connecting ring and the mounting seat can be simply and conveniently connected and installed, and the connecting ring and the mounting seat can be fixed. After the explosion suppressor has been used once, the connecting ring and the mounting seat can be conveniently disassembled, thereby facilitating the replenishment of dry powder of the explosion suppressor.

[0004] However, the above method still has the following defects: the explosion suppressor tank can be fixed by the fixing card, which facilitates the installation and disassembly of the explosion suppressor tank, but the fixing card is rotatably connected to the installation groove through a rotating shaft, which is easy to shake, and has poor stability and pressure resistance. Due to the high pressure inside the explosion suppressor tank, the fixing card is easy to break through, which poses certain safety hazards. Utility Model Content

[0005] The utility model aims to provide a novel carbon dioxide explosion suppressor for mining pipelines to solve the problem that the fixing card proposed in the above background technology is rotatably connected to the mounting groove through a rotating shaft, is easy to shake, and has poor stability and pressure resistance.

[0006] The utility model provides the following technical solutions: a novel carbon dioxide explosion suppressor for mining pipelines, comprising an annular cover and a worm wheel, wherein the middle portion of the annular cover is connected to an explosion suppression mechanism, the inner portion of the annular cover is rotatably connected to a worm wheel, the worm wheel is meshingly connected to a worm, and the worm is driven to rotate by a driving assembly, a spiral track is fixedly provided at the bottom end of the worm wheel, a vertical rod is slidably connected to the bottom end of the annular cover, four vertical rods are arranged, a stopper is fixedly provided on the surface of the vertical rod, the top end of the vertical rod is slidably connected to the spiral track through a track limiting groove, a splint is fixedly provided at the bottom of one side of the vertical rod, the splint is clamped and connected to a support plate, and the top end of the support plate is clamped and connected to the explosion suppression mechanism through two clamping grooves.

[0007] As a preferred technical solution of the utility model, the explosion suppression mechanism includes a carbon dioxide explosion suppressor body, support ring one and support ring two, the bottom of the carbon dioxide explosion suppressor body is welded with support ring one and support ring two respectively, the support ring one and support ring two are both welded to the middle part of the annular cover, and a sealing ring is provided at the bottom end of the support ring two.

[0008] As a preferred technical solution of the utility model, blocks are fixedly provided on both sides of the second bottom end of the support ring, the blocks are engaged with the slots, a sealing groove is provided on the top of the support plate, and the sealing ring is engaged with the sealing groove.

[0009] As a preferred technical solution of the utility model, a support pipe is fixedly connected to the middle of the bottom end of the support plate, a gas pipeline is fixedly connected to the support pipe, and flanges are welded to both ends of the gas pipeline.

[0010] As a preferred technical solution of the utility model, the driving assembly includes a convex shell and a motor, a bracket is fixedly provided on one side of the convex shell, a motor is fixedly installed on one side of the bracket, and the output shaft of the motor is connected to one end of the worm through a connecting shaft.

[0011] As a preferred technical solution of the utility model, a connecting groove is opened on one side of the annular cover, the convex shell is fixedly connected to one side of the connecting groove, the bracket is fixedly connected to the annular cover, and the worm is rotatably connected to the inside of the convex shell.

[0012] As a preferred technical solution of the utility model, the top end of the annular cover is fixedly connected to an annular cover by screws, the bottom end of the annular cover is provided with a rod groove, the vertical rod is slidably connected to the rod groove, and the length of the stop block is greater than the width of the rod groove.

[0013] As a preferred technical solution of the utility model, a circular groove is opened in the middle of the worm wheel, and the worm wheel is rotatably connected to the inner wall of the annular cover through the circular groove. The top and bottom ends of the worm wheel are overlapped with retaining rings, and the retaining rings are fixedly connected to the inner wall of the annular cover.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The new carbon dioxide explosion suppressor for mining pipelines can limit the horizontal direction of the explosion suppression mechanism through the slot of the support plate, and drive the worm through the driving assembly. The worm can drive the spiral track to rotate through the worm wheel. The retaining ring can support and limit the worm wheel. The spiral track can convert the rotational motion into the linear motion of the vertical pole. The four clamps can shrink synchronously and limit the annular cover, so that the support plate and the explosion suppression mechanism can fit tightly, which is convenient for quick installation. The support plate and the explosion suppression mechanism are not easy to shake, and have good stability and pressure resistance. When the internal pressure of the explosion suppression mechanism is large, it is not easy to break through the clamp, thereby reducing safety hazards. The worm can realize self-locking of the spiral track through the angular friction between the worm and the worm wheel, which can prevent the clamp from being displaced under the action of external force, and can be quickly disassembled through reverse operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0017] Figure 2 This is the second structural diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the explosion suppression assembly of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure inside the annular cover of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the drive assembly of the utility model;

[0022] Figure 7 It is a structural schematic diagram of the worm gear of the utility model.

[0023] In the figure: 1. annular cover; 2. explosion suppression mechanism; 201. carbon dioxide explosion suppressor body; 202. support ring 1; 203. support ring 2; 204. sealing ring; 205. clamping block; 3. annular cover; 4. support plate; 5. clamping groove; 6. sealing groove; 7. support pipe; 8. gas pipeline; 9. flange; 10. worm gear; 11. retaining ring; 12. worm; 13. driving assembly; 1301. convex shell; 1302. bracket; 1303. motor; 1304. connecting shaft; 14. spiral track; 15. track limit groove; 16. vertical pole; 17. block; 18. splint; 19. rod groove. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 7 In the embodiment of the utility model, the novel carbon dioxide explosion suppressor for mining pipelines includes an annular cover 1 and a worm wheel 10. The middle part of the annular cover 1 is connected with an explosion suppression mechanism 2. The inner part of the annular cover 1 is rotatably connected with the worm wheel 10. The worm wheel 10 is meshingly connected with a worm 12, and the worm 12 is driven to rotate by a driving component 13. The bottom end of the worm wheel 10 is fixed with a spiral track 14. The bottom end of the annular cover 1 is slidably connected with a vertical rod 16. The vertical rod 16 is provided with four. The surface of the vertical rod 16 is fixed with a stopper 17. The top of the vertical rod 16 is driven by The track limit groove 15 is slidably connected with the spiral track 14, and a clamping plate 18 is fixedly provided at the bottom of one side of the vertical rod 16. The clamping plate 18 is connected with the support plate 4 by clamping, and the top of the support plate 4 is connected with the explosion suppression mechanism 2 by clamping through two clamping grooves 5. The worm 12 is driven by the driving component 13, and the worm 12 can drive the spiral track 14 to rotate through the worm wheel 12. The spiral track 14 can convert the rotational motion into the linear motion of the vertical rod 16, so that the four vertical rods 16 can move synchronously, and the clamping plate 18 can be unfolded to facilitate the placement of the support plate 4 at the bottom end of the explosion suppression mechanism 2;

[0026] In this embodiment, preferably, the explosion suppression mechanism 2 includes a carbon dioxide explosion suppressor body 201, a support ring 1 202 and a support ring 2 203, the bottom of the carbon dioxide explosion suppressor body 201 is respectively welded with a support ring 1 202 and a support ring 2 203, the support ring 1 202 and the support ring 2 203 are both welded to the middle of the annular cover 1, and a sealing ring 204 is provided at the bottom end of the support ring 203. The annular cover 1 can support the carbon dioxide explosion suppressor body 201 through the support ring 1 202 and the support ring 2 203, and the carbon dioxide explosion suppressor body 201 can play an explosion suppression role when mining coal mines;

[0027] In this embodiment, preferably, both sides of the bottom of the second support ring 203 are fixed with a clamping block 205, the clamping block 205 is connected with the clamping slot 5, and a sealing groove 6 is provided at the top of the support plate 4, and the sealing ring 204 is connected with the sealing groove 6. The sealing groove 6 can increase the fit and stability between the sealing ring 204 and the support plate 4, and can ensure the sealing between the support plate 4 and the second support ring 203. The clamping block 205 can be limited by the clamping slot 5, which can ensure the installation accuracy of the second support ring 203 and prevent the direction of the second support ring 203 from changing;

[0028] In this embodiment, preferably, a support pipe 7 is fixedly connected to the middle of the bottom end of the support plate 4, and a gas pipe 8 is fixedly connected to the support pipe 7. Flanges 9 are welded at both ends of the gas pipe 8. The gas pipe 8 can support the annular cover 1 and the carbon dioxide explosion suppressor body 201 through the support pipe 7;

[0029] In this embodiment, preferably, the driving assembly 13 includes a convex shell 1301 and a motor 1303, a bracket 1302 is fixedly provided on one side of the convex shell 1301, a motor 1303 is fixedly installed on one side of the bracket 1302, an output shaft of the motor 1303 is connected to one end of the worm 12 through a connecting shaft 1304, and the convex shell 1301 and the bracket 1302 can respectively support the worm 10 and the motor 1303;

[0030] In this embodiment, preferably, a communication groove is provided on one side of the annular cover 1, and the convex shell 1301 is fixedly connected to one side of the communication groove, and the meshing between the worm wheel 10 and the worm 12 can be ensured through the communication groove, the bracket 1302 is fixedly connected to the annular cover 1, and the worm 12 is rotatably connected to the inside of the convex shell 1301;

[0031] In this embodiment, preferably, the top of the annular cover 1 is fixedly connected with the annular cover 3 by screws, and the bottom of the annular cover 1 is provided with a rod groove 19, and the vertical rod 16 is slidably connected with the rod groove 19, and the rod groove 19 can guide the vertical rod 16 to prevent the vertical rod 16 from tilting, thereby ensuring the stability of the clamping plate 18, and the length of the stopper 17 is greater than the width of the rod groove 19, so that the vertical rod 16 can fall off through the rod groove 19;

[0032] In the present embodiment, preferably, a circular groove is opened in the middle of the worm wheel 10, and the worm wheel 10 is rotatably connected to the inner wall of the annular cover 1 through the circular groove. The top and bottom ends of the worm wheel 10 are overlapped with retaining rings 11, and the retaining rings 11 are fixedly connected to the inner wall of the annular cover 1. The retaining rings 11 can limit the height of the worm wheel 10, thereby improving the stability of the worm wheel 10 and preventing the worm wheel 10 from shaking.

[0033] When in use, the staff first engages the block 205 at the bottom of the explosion suppression mechanism 2 with the groove 5 on the surface of the support plate 4, and the sealing ring 204 can be located in the sealing groove 6, and then drives the worm 12 through the motor 1303 of the drive assembly 13, and the worm 12 can drive the spiral track 14 to rotate through the worm wheel 10, and the retaining ring 11 can support and limit the worm wheel 10, and the spiral track 14 converts the rotational motion into the linear motion of the vertical rod 16, so that the four vertical rods 16 can move synchronously, and the four clamping plates 18 can shrink synchronously, so that the annular cover 1 and the carbon dioxide explosion suppressor body 201 can be limited, and the support ring 203 can be closely fitted with the support plate 4, and the sealing ring 204 can play a sealing effect, and it can be quickly installed;

[0034] After installation, the gas pipeline 8 can support the annular cover 1 and the carbon dioxide explosion suppressor body 201 through the support pipe 7. When the internal pressure of the carbon dioxide explosion suppressor body 201 is relatively high, it is not easy to break through the clamping plate 18, thereby reducing the potential safety hazard. The worm 12 can realize the self-locking of the spiral track 14 through the angular friction between the worm gear 10, thereby preventing the clamping plate 18 from being displaced under the action of external force. When a gas explosion occurs in front of the explosion suppression mechanism 2 in the gas pipeline 8, the carbon dioxide explosion suppressor body 201 blocks the spread of the explosion and suppresses the development of the explosion by spraying carbon dioxide, thereby minimizing the loss caused by the explosion and ensuring the safety of the coal mine gas transportation system.

[0035] When the carbon dioxide explosion suppressor body 201 needs to be disassembled, the motor 1303 of the drive assembly 13 drives the worm 12 in one direction, and the four clamping plates 18 are simultaneously unfolded to stop limiting the annular cover 1, so that the carbon dioxide explosion suppressor body 201 can be quickly removed.

[0036] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel carbon dioxide explosion suppressor for a mining pipeline, comprising an annular cover (1) and a worm gear (10), Features: The middle part of the annular cover (1) is connected to an explosion suppression mechanism (2), the inside of the annular cover (1) is rotatably connected to a worm wheel (10), the worm wheel (10) is meshingly connected to a worm (12), and the worm (12) is driven to rotate by a driving assembly (13), the bottom end of the worm wheel (10) is fixedly provided with a spiral track (14), the bottom end of the annular cover (1) is slidably connected to a vertical rod (16), the surface of the vertical rod (16) is fixedly provided with a stopper (17), the top end of the vertical rod (16) is slidably connected to the spiral track (14) through a track limiting groove (15), a clamping plate (18) is fixedly provided at the bottom of one side of the vertical rod (16), the clamping plate (18) is snap-connected to a support plate (4), and the top end of the support plate (4) is snap-connected to the explosion suppression mechanism (2) through two snap-in grooves (5).

2. The novel carbon dioxide explosion suppressor for mining pipelines according to claim 1, Features: The explosion suppression mechanism (2) comprises a carbon dioxide explosion suppressor body (201), a support ring 1 (202) and a support ring 2 (203); the bottom of the carbon dioxide explosion suppressor body (201) is respectively welded with a support ring 1 (202) and a support ring 2 (203); the support ring 1 (202) and the support ring 2 (203) are both welded to the middle of the annular cover (1); and a sealing ring (204) is provided at the bottom end of the support ring 2 (203).

3. The novel carbon dioxide explosion suppressor for mining pipelines according to claim 2, Features: Blocks (205) are fixedly provided on both sides of the bottom end of the second support ring (203), and the block (205) is snap-fitted and connected with the slot (5). A sealing slot (6) is provided at the top end of the support plate (4), and the sealing ring (204) is snap-fitted and connected with the sealing slot (6).

4. The novel carbon dioxide explosion suppressor for mining pipeline according to claim 1, Features: A support pipe (7) is fixedly connected to the middle of the bottom end of the support plate (4), and a gas pipeline (8) is fixedly connected to the support pipe (7). Flanges (9) are welded to both ends of the gas pipeline (8).

5. The novel carbon dioxide explosion suppressor for mining pipeline according to claim 1, Features: The driving assembly (13) comprises a convex shell (1301) and a motor (1303); a bracket (1302) is fixedly provided on one side of the convex shell (1301); a motor (1303) is fixedly installed on one side of the bracket (1302); and an output shaft of the motor (1303) is connected to one end of the worm (12) via a connecting shaft (1304).

6. The novel carbon dioxide explosion suppressor for mining pipelines according to claim 5, Features: A communication groove is provided on one side of the annular cover (1), the convex shell (1301) is fixedly connected to one side of the communication groove, the bracket (1302) is fixedly connected to the annular cover (1), and the worm (12) is rotationally connected to the inside of the convex shell (1301).

7. The novel carbon dioxide explosion suppressor for mining pipeline according to claim 1, Features: The top end of the annular cover (1) is fixedly connected to an annular cover (3) by means of screws, the bottom end of the annular cover (1) is provided with a rod groove (19), the vertical rod (16) is slidably connected to the rod groove (19), and the length of the stopper (17) is greater than the width of the rod groove (19).

8. The novel carbon dioxide explosion suppressor for mining pipelines according to claim 1, Features: A circular groove is provided in the middle of the worm wheel (10), and the worm wheel (10) is rotatably connected to the inner wall of the annular cover (1) via the circular groove. The top and bottom ends of the worm wheel (10) are overlapped with retaining rings (11), and the retaining rings (11) are fixedly connected to the inner wall of the annular cover (1).

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