Coal bed gas detection device for coal mine

Abstract

The utility model discloses a coal bed gas detection device for a coal mine, which comprises a base, a lifting assembly is arranged on one side of the base, a collaborative assembly is arranged in the lifting assembly, a stabilizing assembly is arranged on one side of the base, and a gas collection assembly is arranged on one side of the lifting assembly. Through the arrangement of the lifting assembly, the cooperation assembly and the stabilization assembly, when gas at different heights in a mine tunnel needs to be detected during use, a motor is started to drive a first bevel gear to rotate, drive a second bevel gear to rotate, drive a connecting rod to rotate and drive a rotating disc to rotate, and then a threaded rod is driven to rotate through a belt; the connecting teeth drive the cooperation teeth to rotate and drive the cooperation rod to rotate, so that the lifting bin slides in the lifting groove, and the stabilizing block slides in the stabilizing bin, and therefore, the height of the gas detector body is adjusted, the gas detector body can detect gases at different heights, and the detection effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection technical field especially is concerned with a coal seam gas detection device for coal mine. BACKGROUND

[0002] Mine harmful gas refers to the gas harmful to human body in the mine, mainly carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur dioxide, ammonia and explosive gas such as marsh gas (methane), hydrogen and methane homologues (ethane, propane, etc.), and the gas concentration in the coal mine directly affects the personal safety of operators.

[0003] The existing gas detection device in the coal mine can only detect single gas concentration, the data detection amount is single, multiple devices need to be used to detect different gas concentrations in the coal mine, and there is inconvenience in use.

[0004] The existing patent (publication number: CN211425528U) a kind of gas detection device for coal mine, gas detection instrument built-in gas detection device, cooperate each gas collection device respectively to detect gas, oxygen and other gas content concentration in gas, the data detected is displayed on display screen for operator to reference, it is convenient to detect the concentration of various gases in coal mine alone, integrated design is convenient to use in coal mine, when gas concentration exceeds preset safety value, loudspeaker emits alarm sound, warning light flashes to light warning, realize sound and light alarm, improve operator attention, early warning convenience.

[0005] For the above problems, the existing patent provides a solution, but the height of the gas detector cannot be adjusted in actual use, there may be some toxic gases deposited at the bottom of the mine in the mine, if the height of the gas detector is not adjusted, the toxic gases at the bottom cannot be detected, and there are many particulate matters in the mine, which can easily block the gas detection channel.

[0006] Therefore, a coal seam gas detection device for coal mine is proposed. SUMMARY

[0007] The utility model aims at providing a coal seam gas detection device for coal mine, which can solve the problem that the height of the gas detector cannot be adjusted in actual use of the existing coal seam gas detection device for coal mine, there may be some toxic gases deposited at the bottom of the mine in the mine, if the height of the gas detector is not adjusted, the toxic gases at the bottom cannot be detected, and there are many particulate matters in the mine, which can easily block the gas detection channel.

[0008] To achieve the above object, the utility model provides the following technical scheme: a coal mine coal seam gas detection device, including the base, one side of base is provided with lifting assembly, the inside of lifting assembly is provided with cooperation component, one side of base is provided with stabilizing component, one side of lifting assembly is provided with gas collection component,

[0009] The lifting assembly includes a lifting groove, a lifting bin, a gas detector body, a motor, a first bevel gear, a second bevel gear, a connecting rod, a rotating disc, a threaded rod and a belt, the lifting groove is opened at the top of the base, the lifting bin is slidingly connected to the inside of the lifting groove, the gas detector body is arranged at the top of the lifting bin, the motor is bolted to one side of the base, the first bevel gear is fixedly connected to the output end of the motor, the second bevel gear is rotatably connected to the bottom of the lifting groove and meshes with the first bevel gear, the connecting rod is fixedly connected to the top of the second bevel gear, the rotating disc is fixedly connected to the top of the connecting rod, the threaded rod is rotatably connected to the bottom of the lifting groove and is threadedly connected to the inside of the lifting bin, and the belt is arranged between the rotating disc and the threaded rod and is used in cooperation with the rotating disc and the threaded rod.

[0010] Preferably, the cooperation component includes rotating teeth, connecting teeth, cooperation teeth and a cooperation rod, the rotating teeth are fixedly connected to one side of the threaded rod, a plurality of the connecting teeth are rotatably connected to the bottom of the lifting groove and mesh with the rotating teeth, a plurality of the cooperation teeth are rotatably connected to the bottom of the lifting groove and mesh with the connecting teeth, and the cooperation rod is fixedly connected to the top of the cooperation teeth and is threadedly connected to the inside of the lifting bin.

[0011] Preferably, the stabilizing component includes a stabilizing bin and a stabilizing block, the stabilizing bin is arranged on both sides of the shell, and the stabilizing block is fixedly connected to both sides of the lifting bin and is used in cooperation with the stabilizing bin in sliding connection.

[0012] Preferably, the gas collection component includes a gas collection cylinder, a filter screen, a transportation pipe and a gas pump, the gas collection cylinder is arranged on one side of the lifting bin, the filter screen is arranged on one side of the gas collection cylinder, the transportation pipe is arranged between the gas detector body and the gas collection cylinder, and the gas pump is arranged on one side of the lifting bin and is used in cooperation with the transportation pipe.

[0013] Preferably, the bottom of the lifting bin is fixedly connected with an auxiliary ring, and the auxiliary ring is used in cooperation with the cooperation rod in threaded connection.

[0014] Preferably, the bottom of the motor is provided with a safety seat, and the safety seat is bolted to one side of the base.

[0015] Preferably, both sides of the stabilizing block are provided with a scale, and the scale is used in cooperation with the stabilizing bin.

[0016] Preferably, the inside of the lifting bin is fixedly connected with a stabilizing column, and the inside of the stabilizing column is provided with a stabilizing groove.

[0017] Preferably, the base is made of carbon steel.

[0018] Preferably, the lifting bin is made of stainless steel.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. The lifting assembly, the cooperation assembly and the stabilizing assembly are arranged, when the gas at different heights in the mine tunnel needs to be detected, the motor is started to drive the first bevel gear to rotate, drive the second bevel gear to rotate, drive the connecting rod to rotate, drive the rotating disc to rotate, then the threaded rod is driven to rotate through the belt, the cooperation tooth is driven to rotate through the connecting tooth, the cooperation rod is driven to rotate, the lifting bin slides in the lifting groove, and the stabilizing block slides in the stabilizing bin, so that the height of the gas detector body is adjusted, the gas detector body can detect the gas at different heights, and the detection effect is better.

[0021] 2. The gas collecting assembly is arranged, when the gas detector body detects the gas, the gas pump is started, the external gas is absorbed through the gas collecting cylinder, the solid particles contained in the gas are blocked by the filter screen, the gas detector body only detects the gas, solid particles can prevent the detection port from being blocked, and the detection result is prevented from being deviated. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0023] Figure 1 It is the overall structural view of the utility model;

[0024] Figure 2 It is the right view of the utility model;

[0025] Figure 3 It is the overall structural view of the utility model; Figure 2 It is the sectional stereoscopic structure schematic view of A-A in the utility model;

[0026] Figure 4 It is the sectional stereoscopic structure schematic view of B-B in the utility model; Figure 2 ​

[0027] Figure 5 It is the structural view of the gas collecting assembly.

[0028] Mark explanation:

[0029] 1, base; 2, lifting assembly; 3, cooperative assembly; 4, stabilizing assembly; 5, gas collecting assembly; 201, lifting groove; 202, lifting bin; 203, gas detector body; 204, motor; 205, first bevel gear; 206, second bevel gear; 207, connecting rod; 208, rotating disc; 209, threaded rod; 210, belt; 301, rotating teeth; 302, connecting teeth; 303, cooperative teeth; 304, cooperative rod; 401, stabilizing bin; 402, stabilizing block; 501, gas collecting cylinder; 502, filter screen; 503, conveying pipe; 504, air pump; 6, auxiliary ring; 7, safety seat; 8, scale; 9, stabilizing column; 10, stabilizing groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in 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 the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1 to 5 The utility model provides a technical scheme:

[0032] A coal mine coal seam gas detection device, including base 1, the side of base 1 is provided with lifting assembly 2, the inside of lifting assembly 2 is provided with cooperative assembly 3, the side of base 1 is provided with stabilizing assembly 4, the side of lifting assembly 2 is provided with gas collecting assembly 5;

[0033] The lifting assembly 2 comprises a lifting groove 201, a lifting bin 202, a gas detector body 203, a motor 204, a first bevel gear 205, a second bevel gear 206, a connecting rod 207, a rotating disc 208, a threaded rod 209 and a belt 210, the lifting groove 201 is arranged at the top of the base 1, the lifting bin 202 is slidingly connected to the inside of the lifting groove 201, the gas detector body 203 is arranged at the top of the lifting bin 202, the motor 204 is bolted to one side of the base 1, the first bevel gear 205 is fixedly connected to the output end of the motor 204, the second bevel gear 206 is rotatably connected to the bottom of the lifting groove 201 and is engaged with the first bevel gear 205, the connecting rod 207 is fixedly connected to the top of the second bevel gear 206, the rotating disc 208 is fixedly connected to the top of the connecting rod 207, the threaded rod 209 is rotatably connected to the bottom of the lifting groove 201 and is threadedly connected to the inside of the lifting bin 202, and the belt 210 is arranged between the rotating disc 208 and the threaded rod 209 and is used in cooperation with the rotating disc 208 and the threaded rod 209.

[0034] Specifically, as shown in Figure 4 The cooperative assembly 3 comprises a rotating tooth 301, a connecting tooth 302, a cooperative tooth 303 and a cooperative rod 304, the rotating tooth 301 is fixedly connected to one side of the threaded rod 209, the connecting tooth 302 is rotatably connected to the bottom of the lifting groove 201 and is engaged with the rotating tooth 301, the cooperative tooth 303 is rotatably connected to the bottom of the lifting groove 201 and is engaged with the connecting tooth 302 in cooperation, and the cooperative rod 304 is fixedly connected to the top of the cooperative tooth 303 and is threadedly connected to the inside of the lifting bin 202.

[0035] Specifically, as shown in Figure 3 The stable assembly 4 comprises a stable bin 401 and a stable block 402, the stable bin 401 is arranged at the two sides of the shell, and the stable block 402 is fixedly connected to the two sides of the lifting bin 202 and is used in cooperation with the stable bin 401 in sliding connection.

[0036] In use, when it is necessary to detect the gas at different heights in the mine tunnel, the motor 204 is started to drive the first bevel gear 205 to rotate, drive the second bevel gear 206 to rotate, drive the connecting rod 207 to rotate, drive the rotating disc 208 to rotate, then drive the threaded rod 209 to rotate through the belt 210, drive the cooperative tooth 303 to rotate through the connecting tooth 302, and drive the cooperative rod 304 to rotate, so that the lifting bin 202 slides in the inside of the lifting groove 201 and the stable block 402 slides in the inside of the stable bin 401, thereby adjusting the height of the gas detector body 203, enabling the gas detector body 203 to detect the gas at different heights, and achieving better detection effect.

[0037] Specifically, as shown in Figure 5As shown, the gas collection assembly 5 includes a gas collection cylinder 501, a filter screen 502, a transport pipe 503, and an air pump 504. The gas collection cylinder 501 is located on one side of the lifting chamber 202, the filter screen 502 is located on one side of the gas collection cylinder 501, the transport pipe 503 is located between the gas detector body 203 and the gas collection cylinder 501, and the air pump 504 is located on one side of the lifting chamber 202 and is used in conjunction with the transport pipe 503.

[0038] When the gas detector body 203 is detecting gas, the gas pump 504 is started and external gas is absorbed through the gas collection cylinder 501. Solid particles contained in the gas are blocked by the filter screen 502, so that the gas detector body 203 only detects gas. This can prevent solid particles from clogging the detection port and prevent deviations in the detection results.

[0039] Specifically, such as Figure 4 As shown, an auxiliary ring 6 is fixedly connected to the bottom of the lifting chamber 202. The auxiliary ring 6 is used in conjunction with the cooperating rod 304 for threaded connection.

[0040] Specifically, such as Figure 4 As shown, a safety seat 7 is provided at the bottom of the motor 204, and the safety seat 7 is bolted to one side of the base 1.

[0041] Specifically, such as Figure 3 As shown, scales 8 are provided on both sides of the stabilizer block 402, and the scales 8 are used in conjunction with the stabilizer chamber 401.

[0042] Specifically, such as Figure 3 As shown, a stabilizing column 9 is fixedly connected inside the lifting chamber 202. The stabilizing column 9 has a stabilizing groove 10 inside, which is used in conjunction with the threaded rod 209 for threaded connection.

[0043] Specifically, such as Figure 1 As shown, the base 1 is made of carbon steel.

[0044] Specifically, such as Figure 3 As shown, the lifting chamber 202 is made of stainless steel.

[0045] Through the above scheme, the auxiliary ring 6 can be used in conjunction with the threaded connection of the cooperating rod 304 to improve the stability of the cooperating rod 304 during rotation, the safety seat 7 can protect the motor 204, the scale 8 can mark the height of the gas detector body 203, and the stabilizing column 9 and the stabilizing groove 10 can increase the stability of the threaded rod 209.

[0046] By adopting the technical scheme, the height of the gas detector cannot be adjusted in the actual use of the existing coal mine coal gas detection device, and there may be some toxic gas deposited at the bottom of the mine tunnel inside the mine, if the height of the gas detector is not adjusted, the toxic gas at the bottom cannot be detected, and the problem that the detection gas channel is easily blocked by the many particles inside the mine tunnel is solved.

[0047] Working principle: when the gas at different heights in the mine tunnel needs to be detected, the motor 204 is started to drive the first bevel gear 205 to rotate, drive the second bevel gear 206 to rotate, drive the connecting rod 207 to rotate, drive the rotating disc 208 to rotate, then drive the threaded rod 209 to rotate through the belt 210, drive the cooperative tooth 303 to rotate through the connecting tooth 302, drive the cooperative rod 304 to rotate, make the lifting bin 202 slide in the lifting groove 201, make the stabilizing block 402 slide in the stabilizing bin 401, so as to adjust the height of the gas detector body 203, so that the gas detector body 203 can detect the gas at different heights, and the detection effect is better, when the gas detector body 203 detects the gas, the air pump 504 is started, the external gas is absorbed by the gas collecting cylinder 501, the solid particles contained in the gas are blocked by the filter screen 502, so that the gas detector body 203 only detects the gas, which can prevent the solid particles from blocking the detection port and prevent the detection result from being deviated.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A coal mine coal seam gas detection device comprising a base (1), characterized in that: One side of the base (1) is provided with a lifting assembly (2), the inside of the lifting assembly (2) is provided with a cooperative assembly (3), one side of the base (1) is provided with a stabilizing assembly (4), one side of the lifting assembly (2) is provided with a gas collecting assembly (5); The lifting assembly (2) comprises a lifting groove (201), a lifting bin (202), a gas detector body (203), a motor (204), a first bevel gear (205), a second bevel gear (206), a connecting rod (207), a rotating disc (208), a threaded rod (209) and a belt (210), the lifting groove (201) is opened in the top of the base (1), the lifting bin (202) is slidingly connected to the inside of the lifting groove (201), the gas detector body (203) is arranged on the top of the lifting bin (202), the motor (204) is bolted on one side of the base (1), the first bevel gear (205) is fixedly connected to the output end of the motor (204), the second bevel gear (206) is rotatably connected to the bottom of the lifting groove (201) and is engaged with the first bevel gear (205), the connecting rod (207) is fixedly connected to the top of the second bevel gear (206), the rotating disc (208) is fixedly connected to the top of the connecting rod (207), the threaded rod (209) is rotatably connected to the bottom of the lifting groove (201) and is threadedly connected to the inside of the lifting bin (202), and the belt (210) is arranged between the rotating disc (208) and the threaded rod (209) and is used in cooperation with the rotating disc (208) and the threaded rod (209).

2. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The cooperative assembly (3) comprises a rotating tooth (301), a connecting tooth (302), a cooperative tooth (303) and a cooperative rod (304), the rotating tooth (301) is fixedly connected to one side of the threaded rod (209), a plurality of connecting teeth (302) are rotatably connected to the bottom of the lifting groove (201) and are engaged with the rotating tooth (301), a plurality of cooperative teeth (303) are rotatably connected to the bottom of the lifting groove (201) and are engaged with the connecting teeth (302), and the cooperative rod (304) is fixedly connected to the top of the cooperative tooth (303) and is threadedly connected to the inside of the lifting bin (202).

3. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The stabilizing assembly (4) comprises a stabilizing bin (401) and a stabilizing block (402), the stabilizing bin (401) is arranged on both sides of the shell, and the stabilizing block (402) is fixedly connected to both sides of the lifting bin (202) and is used in cooperation with the stabilizing bin (401) in sliding connection.

4. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The gas collecting assembly (5) comprises a gas collecting cylinder (501), a filter screen (502), a conveying pipe (503) and a gas pump (504), the gas collecting cylinder (501) is arranged on one side of the lifting bin (202), the filter screen (502) is arranged on one side of the gas collecting cylinder (501), the conveying pipe (503) is arranged between the gas detector body (203) and the gas collecting cylinder (501), and the gas pump (504) is arranged on one side of the lifting bin (202) and is used in cooperation with the conveying pipe (503).

5. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The bottom of the lifting bin (202) is fixedly connected with an auxiliary ring (6), which is used in cooperation with a screw thread connection of a coordinated rod (304).

6. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The bottom of the motor (204) is provided with a safety seat (7) which is bolted to one side of the base (1).

7. The coal seam gas detection device for coal mine according to claim 3, characterized in that: The two sides of the stabilizing block (402) are provided with scale rulers (8) which are used in cooperation with the stabilizing bin (401).

8. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The inside of the lifting bin (202) is fixedly connected with a stabilizing column (9), the inside of the stabilizing column (9) is provided with a stabilizing groove (10), and the stabilizing groove (10) is used in cooperation with a screw thread connection of a screw thread rod (209).

9. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The base (1) is made of carbon steel.

10. The coal seam gas detection device for coal mine according to claim 1, characterized in that: The lifting bin (202) is made of stainless steel.

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