Gas content detection device

Abstract

The utility model relates to the technical field of gas detection devices, and discloses a gas content detection device, which comprises a gas measuring cylinder and a coal sample tank, the gas measuring cylinder is communicated with the coal sample tank, the bottom of the gas measuring cylinder is fixedly connected with a base, the side wall of the base is fixedly connected with three connecting seats, and the lower part of the base is provided with a counterweight bottom plate. A leveling assembly is connected between the balance weight bottom plate and the connecting base, and a horizontal bubble is arranged on the base. The leveling assembly comprises a rotating pipe and a screw, the upper end of the screw is detachably and rotatably connected with the connecting base, the upper portion of the rotating pipe is rotatably connected with a rotating ring, a first threaded hole is formed in the center of the rotating ring, the screw is in threaded connection with the first threaded hole, the lower portion of the rotating pipe is rotatably connected with a support, and the support is fixedly installed on the balance weight bottom plate. According to the utility model, the adjusting assembly on the counterweight bottom plate is matched with the horizontal bubble to adjust the levelness of the gas measuring cylinder, the reading accuracy of gas measurement is improved, the contact area between the gas measuring cylinder and the ground is increased through the counterweight bottom plate, and the use stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas detection devices, in particular to a gas content detection device. Background Art

[0002] Coal seam gas is a mixture of methane, carbon dioxide and nitrogen that escapes from coal and surrounding rocks. It is a colorless, tasteless, odorless gas that can burn or explode. The coal seam gas content needs to be measured during coal mining. Generally, the drainage gas collection method is used to detect the gas content in coal samples from coal seams.

[0003] For example, a coal sample gas content detection device disclosed in announcement No. CN217111923U has the following main features: it includes a coal sample tank, an exhaust pipe, and a measuring cylinder. A water hole is provided at the lower end of the measuring cylinder, a bottom plug is installed at the lower end of the water hole, a drain outlet and an air inlet are provided at the lower end of the measuring cylinder, the coal sample tank is connected to the air inlet through the exhaust pipe, the coal sample tank includes a tank body with an opening at the upper end, an end cover hinged at the open end of the tank body, a needle valve connected to the tank body is installed at the upper end of the end cover, the air outlet of the needle valve is connected to the exhaust pipe, a hook away from the hinged end is slidably provided on the peripheral side of the end cover, a positioning column is provided on the tank body, the hook can be hooked on the positioning column, the inner wall of the tank body gradually shrinks from top to bottom, a placement box is slidably provided in the tank body and fits the inner wall of the tank body, a hanging plate lower than the upper end face of the tank body is provided at the upper end of the placement box, and a through hole is provided on the hanging plate.

[0004] When the above-mentioned gas content detection device is in use, the applicant finds that: the above-mentioned gas detection measuring cylinder is placed for use, the height of the measuring cylinder is relatively high, and the contact area with the surface of the placed object is small, which is easy to tip over. In addition, the uneven surface of the placed object causes the measuring cylinder to be uneven. Therefore, when reading the reading later, the liquid surface is uneven due to the unevenness of the measuring cylinder, and reading deviation is likely to occur later. In order to solve the above-mentioned problems, a gas content detection device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a gas content detection device in order to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model is as follows: a gas content detection device, comprising a gas measuring cylinder and a coal sample tank, the gas measuring cylinder is connected to the coal sample tank, the bottom of the gas measuring cylinder is fixedly connected to a base, the side wall of the base is fixedly connected to three connecting seats, a counterweight bottom plate is arranged at the lower part of the base, a leveling assembly is connected between the counterweight bottom plate and the connecting seat, and a horizontal bubble is arranged on the base;

[0007] The leveling assembly includes a rotating tube and a screw rod. The upper end of the screw rod is detachably rotatably connected to the connecting seat. The upper part of the rotating tube is rotatably connected to a swivel. A threaded hole 1 is provided at the center of the swivel. The screw rod is threadedly connected to the threaded hole 1. The lower part of the rotating tube is rotatably connected to a support. The support is fixedly mounted on the counterweight base plate.

[0008] In a preferred embodiment, a water inlet is provided on the base, and a sealing plug is provided in the water inlet.

[0009] In a preferred embodiment, an air intake channel is provided on one side of the base, an air intake pipe is connected to the air intake channel, a valve is provided on the top of the coal sample tube, and the valve is connected to the air intake pipe.

[0010] In a preferred embodiment, a drainage channel is provided on the other side of the base.

[0011] In a preferred embodiment, a second threaded hole is opened at the lower part of the screw rod, the second threaded hole is internally threadedly connected to a limiting column, a strip guide hole is clamped on the outer wall of the rotating tube, and the limiting column is adapted to pass through the strip guide hole.

[0012] In a preferred embodiment, a connecting ear is fixedly connected to the upper end of the screw rod, a through hole 1 is provided on the connecting ear, a groove is provided on the connecting seat, the connecting ear is inserted into the groove, a nut is fixedly connected to the inner wall of one side of the groove, a locking shaft is threadedly connected to the nut, a through hole 2 is provided on the inner wall of the other side of the groove, and the locking shaft passes through the through hole 2 and the through hole 1.

[0013] In a preferred embodiment, a circular hole is formed in the center of the counterweight base plate.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the level of the gas measuring cylinder can be adjusted by the adjustment component on the counterweight bottom plate in cooperation with the level bubble, thereby ensuring the level of the liquid level in the gas measuring cylinder, thereby avoiding reading deviation due to uneven liquid level and improving the accuracy of gas measurement.

[0016] 2. In the utility model, the contact area between the gas measuring cylinder and the ground is increased by the counterweight bottom plate, thereby improving the placement stability of the gas measuring cylinder and improving the stability in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the exploded three-dimensional structure of the connecting seat and the adjusting assembly in the utility model.

[0020] Markings in the figure: 1-gas measuring cylinder, 2-coal sample tank, 3-base, 4-connecting seat, 5-counterweight base plate, 6-leveling assembly, 7-rotating tube, 8-screw, 9-swivel, 10-threaded hole one, 11-support, 12-water inlet, 13-sealing plug, 14-air inlet channel, 15-air inlet pipe, 16-valve, 17-drainage channel, 18-threaded hole two, 19-limiting column, 20-strip guide hole, 21-connecting ear, 22-through hole one, 23-groove, 24-nut, 25-lock shaft, 26-through hole two, 27-circular hole, 28-horizontal bubble. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The following will be combined Figure 1-Figure 3 A gas content detection device according to an embodiment of the utility model is described in detail.

[0023] Example:

[0024] The utility model provides a gas content detection device, referring to Figure 1 and Figure 2 As shown, it includes a gas measuring cylinder 1 and a coal sample tank 2. The gas measuring cylinder 1 is connected to the coal sample tank 2. The bottom of the gas measuring cylinder 1 is fixedly connected to a base 3. Three connecting seats 4 are fixedly connected to the side walls of the base 3. A counterweight base plate 5 is provided at the lower part of the base 3. A leveling component 6 is connected between the counterweight base plate 5 and the connecting seat 4. A horizontal bubble 28 is provided on the base 3. In this structure, the gas in the coal sample tank 2 enters the gas measuring cylinder 1 filled with water, and the gas squeezes the water in the gas measuring cylinder 1 to be discharged, so that the gas content is determined according to the amount of discharged water. When the gas measuring cylinder of the above structure is placed for measurement, the personnel expand the contact area between the gas measuring cylinder 1 and the ground through the counterweight base 5, so as to ensure that the gas measuring cylinder 1 is placed stably. At the same time, the gas measuring cylinder 1 is leveled by using the adjustment component 6 in cooperation with the horizontal bubble to avoid the liquid surface tilt caused by the unevenness of the gas measuring cylinder 1, thereby causing the reading deviation, and improving the accuracy of gas content measurement.

[0025] refer to Figure 3 As shown, the leveling assembly 6 includes a rotating tube 7 and a screw 8. The upper end of the screw 8 is detachably rotatably connected to the connecting seat 4. The upper part of the rotating tube 7 is rotatably connected to a rotating ring 9. A threaded hole 10 is provided in the center of the rotating ring 9. The screw 8 is threadedly connected to the threaded hole 10. The lower part of the rotating tube 7 is rotatably connected to a support 11. The support 11 is fixedly installed on the counterweight base plate 5. In this structure, when a person rotates the rotating ring 9 on the rotating tube 7, the rotating spring 9 drives the screw 8 to move up and down using the threaded hole 10, thereby driving the connecting seat 4 to adjust its position up and down, and then adjusting the level of the gas measuring cylinder 1 on the base 3.

[0026] refer to Figure 2 As shown, a water inlet 12 is provided on the base 3, an air inlet channel 14 is provided on one side of the base 3, a drainage channel 17 is provided on the other side of the base 3, and a sealing plug 13 is provided in the water inlet 12. When filling the gas measuring cylinder 1 with water, the gas measuring cylinder 1 is first turned upside down, and then the sealing plug 13 is taken out to open the water inlet 12, and then water is poured into the gas measuring cylinder 1, and the drainage channel 17 and the air inlet channel 14 are blocked with fingers of both hands until the water is completely filled, and then the water inlet 12 is blocked with the sealing plug 13, and then the gas measuring cylinder 1 is turned over and over, and the air inlet channel 14 facilitates the gas to enter the gas measuring cylinder 1, and the drainage channel 17 facilitates the gas to enter the moving gas measuring cylinder 1 and then the water in the measuring cylinder is discharged.

[0027] refer to Figure 1 and Figure 2 As shown, an air intake pipe 15 is connected to the air intake channel 14, and a valve 16 is provided on the top of the coal sample tank 2. The valve 16 is connected to the air intake pipe 15. In this structure, the coal sample tank 2 is connected to the air intake channel 14 through the air intake pipe 15, and the valve 16 is used to control the gas to enter the air intake pipe 15.

[0028] refer to Figure 3 As shown, a threaded hole 18 is provided at the lower part of the screw rod 8, and a limit column 19 is connected to the inner thread of the threaded hole 18. A strip guide hole 20 is provided on the outer wall of the rotating tube 7, and the limit column 19 is adapted to pass through the strip guide hole 20. This structure utilizes the limit column 19 to move in the strip guide hole 20, thereby guiding the upward movement of the screw rod 8 and limiting the movable range of the screw rod 8. The limit column 19 is connected to the threaded hole 18 of the screw rod 8, so that the limit column 19 can be disassembled, thereby facilitating the disassembly of the screw rod 8.

[0029] refer to Figure 3As shown, the upper end of the screw rod 8 is fixedly connected with a connecting ear 21, a through hole 22 is provided on the connecting ear 21, a groove 23 is provided on the connecting seat 4, the connecting ear 21 is inserted into the groove 23, a nut 24 is fixedly connected to the inner wall of one side of the groove 23, a locking shaft 25 is threadedly connected to the nut 24, a through hole 26 is provided on the inner wall of the other side of the groove 23, the locking shaft 25 passes through the locking through hole 26 and the through hole 22, and the locking shaft 25 of this structure passes through the through hole 26 on the connecting seat 4 and the through hole 22 of the connecting ear 21 in turn, and is connected to the fixing nut 24 of the connecting seat 4, so that the connecting ear 21 is movably connected to the connecting seat 4, and then the screw rod 8 is rotatably connected to the connecting seat 4, and later, only the locking shaft 25 needs to be removed to separate the adjusting assembly 6 and the counterweight base plate 5 from the connecting seat 4, so that it is convenient to store and place them when not in use.

[0030] refer to Figure 1 As shown, a circular hole 27 is opened in the center of the counterweight base plate 5. This circular hole 27 is convenient for personnel to take and install the sealing plug 13.

[0031] It should be noted that the measuring device disclosed in the above embodiment is applied to the measurement of gas and belongs to the field of gas measurement devices.

[0032] The implementation principle of a gas content detection device of an embodiment of the present application is as follows: when measuring the gas content during use, first turn the gas measuring cylinder 1 upside down, then take out the sealing plug 13 to open the water filling port 12, then fill water into the gas measuring cylinder 1, and use fingers of both hands to block the drainage channel 17 and the air inlet channel 14 until the water is completely filled, then use the sealing plug 13 to block the water filling port 12, then put the gas measuring cylinder 1 upright, then the locking shaft 25 passes through the second through hole 26 on the connecting seat 4 and the first through hole 22 of the connecting ear 21 in sequence, and is connected with the fixing nut 24 of the connecting seat 4, so that the connecting ear 21 is movably connected to the connecting seat 4, and then the screw rod 8 is rotatably connected to the connecting member 4, so that the adjustment component 6 is connected to the connecting seat 4, Then, the counterweight base plate 5 is connected to the connecting seat 4, and the counterweight base plate 5 increases the contact area between the gas measuring cylinder 1 and the ground, thereby improving the placement stability of the gas measuring cylinder 1. At the same time, the swivel 9 on the rotating tube 7 is rotated, and the rotating spring 9 uses the threaded hole 10 to drive the screw 8 to move up and down, thereby driving the connecting seat 4 to adjust the position up and down, and then adjusting the level of the gas measuring cylinder 1 on the base 3. When the gas measuring cylinder 1 is adjusted, the personnel connects the air inlet pipe 15 of the coal sample tank 2 with the air inlet channel 14, and then opens the valve 16 to allow the gas to enter the air inlet pipe 15, and then enters the gas measuring cylinder 1. Under the extrusion of the gas, the water in the gas measuring cylinder 1 will be squeezed and discharged from the drainage channel 17, and then the reading of the remaining liquid level can be read to quickly determine the gas content.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gas content detection device, comprising a gas measuring cylinder (1) and a coal sample tank (2), characterized in that: The gas measuring cylinder (1) is connected to the coal sample tank (2); the bottom of the gas measuring cylinder (1) is fixedly connected to a base (3); the side wall of the base (3) is fixedly connected to three connecting seats (4); a counterweight base plate (5) is provided at the lower part of the base (3); a leveling component (6) is connected between the counterweight base plate (5) and the connecting seat (4); and a horizontal bubble (28) is provided on the base (3); The leveling assembly (6) comprises a rotating tube (7) and a screw rod (8), the upper end of the screw rod (8) is detachably rotatably connected to the connecting seat (4), the upper part of the rotating tube (7) is rotatably connected to a rotating ring (9), the center of the rotating ring (9) is provided with a threaded hole (10), the screw rod (8) is threadedly connected to the threaded hole (10), the lower part of the rotating tube (7) is rotatably connected to a support (11), and the support (11) is fixedly mounted on the counterweight base plate (5).

2. A gas content detection device as claimed in claim 1, characterized in that: The base (3) is provided with a water injection port (12), and a sealing plug (13) is arranged inside the water injection port (12).

3. A gas content detection device as claimed in claim 1, characterized in that: An air intake channel (14) is provided on one side of the base (3), an air intake pipe (15) is connected to the air intake channel (14), and a valve (16) is provided on the top of the coal sample tank (2), and the valve (16) is connected to the air intake pipe (15).

4. A gas content detection device as claimed in claim 1, characterized in that: A drainage channel (17) is provided on the other side of the base (3).

5. A gas content detection device as claimed in claim 1, characterized in that: A second threaded hole (18) is provided at the lower part of the screw rod (8), the second threaded hole (18) is internally threadedly connected to a limiting column (19), a strip guide hole (20) is provided on the outer wall of the rotating tube (7), and the limiting column (19) is adapted to pass through the strip guide hole (20).

6. A gas content detection device as claimed in claim 1, characterized in that: The upper end of the screw rod (8) is fixedly connected with a connecting ear (21), a through hole 1 (22) is provided on the connecting ear (21), a groove (23) is provided on the connecting seat (4), the connecting ear (21) is inserted into the groove (23), a nut (24) is fixedly connected to the inner wall of one side of the groove (23), a locking shaft (25) is threadedly connected to the nut (24), a through hole 2 (26) is provided on the inner wall of the other side of the groove (23), and the locking shaft (25) passes through the through hole 2 (26) and the through hole 1 (22).

7. A gas content detection device as claimed in claim 1, characterized in that: A circular hole (27) is provided at the center of the counterweight bottom plate (5).

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