CN219774118U - Gas pressure measuring device - Google Patents
Gas pressure measuring device Download PDFInfo
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- CN219774118U CN219774118U CN202320962420.2U CN202320962420U CN219774118U CN 219774118 U CN219774118 U CN 219774118U CN 202320962420 U CN202320962420 U CN 202320962420U CN 219774118 U CN219774118 U CN 219774118U
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- gas pressure
- pipe
- gas
- wall
- bevel gear
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 13
- 238000007569 slipcasting Methods 0.000 claims description 6
- 239000003245 coal Substances 0.000 abstract description 21
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of coal mine gas detection, and discloses a gas pressure measuring device which comprises a sleeve, a drain pipe and a grouting pipe, wherein a detection pipe is arranged at the center of the inside of the sleeve, and an adjusting mechanism is arranged in the detection pipe. This gas pressure measurement device, through the cooperation of through-hole, sealing bearing, rotation bevel gear, driven bevel gear, can drive the screw rod and carry out low-speed rotation when low-speed motor starts, thereby drive the go-between and carry out the removal of upper and lower direction under the spacing of detecting tube, and then make the governing tube bottom can reach in the different coal seams, measure the gas pressure of different coal seams, avoid the gas to get into the mounting box through the sealing bearing that sets up, thereby avoid the temperature that produces when low-speed motor operates to produce to the gas measurement influence, and avoid the gas to get into the mounting box through the sealing bearing that sets up, thereby avoid the temperature that produces when low-speed motor operates to produce to the gas measurement influence.
Description
Technical Field
The utility model relates to the technical field of coal mine gas detection, in particular to a gas pressure measuring device.
Background
The gas pressure is an important parameter for marking the gas flow characteristic and occurrence state of the coal seam, the gas content and pressure of the coal seam are increased along with the increase of the coal exploitation depth, the danger of gas disasters is increased, the gas disaster prevention is to ensure the heavy weight in the coal safety exploitation work, the coal seam gas pressure value is accurately and directly measured to influence the safety production of the coal mine, and the gas pressure is required to be measured before exploitation by using a pressure measuring device in the coal exploitation work so as to ensure the operation safety.
According to a gas pressure measuring apparatus and a gas pressure measuring system (publication No. CN 210714675U) disclosed in the above application, a casing is passed through a rock formation or an aquifer thereon, water in a lower gas chamber is discharged as much as possible through a drain pipe, slurry is filled into an upper filling chamber through a grouting pump and a grouting pipe to form a filling body, and then the pressure of gas in the lower gas chamber is measured through a pressure measuring pipe and a pressure measuring meter above the pressure measuring pipe.
However, in the actual use process of the equipment, after the slurry is filled in the upper filling chamber to form a filling body, the pressure measuring pipe cannot move any more, so that the pressure measuring pipe can only measure the gas pressure of one coal seam, when the gas of a plurality of coal seams is required to be measured, a measuring device is required to be installed for measuring a plurality of times, the drilling cost is high, the labor intensity is high, and the waste of manpower and material resources is easily caused; in view of this, we propose a gas pressure measurement device.
Disclosure of Invention
The present utility model is directed to a gas pressure measuring device, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas pressure measurement device, includes sleeve pipe, drain pipe and slip casting pipe, the inside center department of sleeve pipe is provided with the detection pipe, the top of detection pipe is provided with the manometer, the inside adjustment mechanism that is provided with of detection pipe, adjustment mechanism includes:
the mounting box is fixedly arranged on the right side surface of the detection tube, the right side surface of the inside of the mounting box is fixedly provided with a low-speed motor, the right side surface of the detection tube is provided with a through hole, the inside of the through hole is fixedly provided with a sealing bearing, and the left side surface of the inner ring of the sealing bearing is fixedly provided with a rotating bevel gear;
the fixed plate is fixedly arranged at the bottom end of the inner wall on the right side of the detection tube, and the limiting plate is fixedly arranged at the center of the inner wall on the right side of the detection tube;
the screw is rotatably arranged on the top surface of the fixed plate, a driven bevel gear is fixedly arranged at the top end of the screw penetrating through the bottom surface of the limiting plate, two limiting rings are fixedly arranged at the joint of the outer side of the screw and the upper end and the lower end of the limiting plate, a connecting ring is connected with the outer side of the screw in a threaded manner, and an adjusting pipe is fixedly arranged on the bottom surface of the connecting ring;
the sliding groove is formed in the left inner wall surface of the detection tube, a sliding block is connected inside the sliding groove in a sliding mode, and the right side surface of the sliding block is fixedly connected with the left side surface of the connecting ring.
Preferably, the output shaft of the low-speed motor is fixedly connected with the right side surface of the inner ring of the sealing bearing.
Preferably, the tooth surfaces of the rotating bevel gear and the tooth surfaces of the driven bevel gear are meshed with each other.
Preferably, the bottom surfaces of the connecting ring and the sliding block are respectively provided with a sealing rubber layer.
Preferably, the outer wall of the sliding block is mutually attached to the inner wall of the sliding groove.
Preferably, the outer wall of the connecting ring is mutually attached to the inner wall of the detection tube.
Compared with the prior art, the utility model provides a gas pressure measuring device, which comprises the following components
The beneficial effects are that:
1. according to the gas pressure measuring device, through the cooperation of the through hole, the sealing bearing, the rotating bevel gear and the driven bevel gear, the screw rod can be driven to rotate at a low speed when the low-speed motor is started, so that the connecting ring is driven to move in the vertical direction under the limit of the detection tube, and the bottom end of the adjusting tube can reach different coal beds to measure the gas pressure of the different coal beds.
2. This gas pressure measurement device avoids gas to get into the mounting box through the sealed bearing that sets up to avoid the temperature that produces when low-speed motor operation to produce the influence to gas measurement, and avoid gas to get into the mounting box through the sealed bearing that sets up, thereby avoid the temperature that produces when low-speed motor operation to produce the influence to gas measurement.
Drawings
FIG. 1 is a schematic diagram of the structure of the test tube, load cell and adjustment mechanism of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of a detection tube of the present utility model in partial cross-section;
FIG. 4 is a schematic diagram of the structure of the present utility model at A;
FIG. 5 is a schematic diagram of the structure of the present utility model at B;
fig. 6 is a schematic structural diagram of the present utility model at C.
In the figure: 1. a sleeve; 2. a drain pipe; 3. grouting pipe; 4. a detection tube; 5. a pressure gauge; 6. an adjusting mechanism; 601. a mounting box; 602. a low-speed motor; 603. a through hole; 604. sealing the bearing; 605. rotating the bevel gear; 606. a fixing plate; 607. a limiting plate; 608. a screw; 609. a driven bevel gear; 610. a limiting ring; 611. a connecting ring; 612. an adjusting tube; 613. a sealing rubber layer; 614. a chute; 615. a sliding block.
Detailed Description
As shown in fig. 1 to 6, the present utility model provides a technical solution: the utility model provides a gas pressure measurement device, including sleeve pipe 1, drain pipe 2 and slip casting pipe 3, sleeve pipe 1 is inside to be provided with to cut apart the flange, can pass sleeve pipe 1 stratum or the water-bearing layer on it, drain the water in the lower part air chamber as far as possible through drain pipe 2, fill the room to upper portion through slip casting pump and slip casting pipe 3 and fill the thick liquid and form the obturator, above-mentioned sleeve pipe 1, drain pipe 2 and slip casting pipe 3 are similar with the measuring device principle that mentions in the chinese patent (a gas pressure measurement device and gas pressure measurement system) of grant bulletin number CN210714675U, realize the effect the same, be the prior art means in this field, do not make excessive redundant description here.
The inside center department of sleeve pipe 1 is provided with detection pipe 4, and the top of detection pipe 4 is provided with manometer 5, and manometer 5 can directly measure gas pressure, and detection pipe 4 inside is provided with adjustment mechanism 6, and adjustment mechanism 6 includes: mounting box 601, fixed plate 606, screw 608 and spout 614, mounting box 601 fixed mounting is at the right side surface of detecting tube 4, mounting box 601 inside right side surface fixed mounting has low-speed motor 602, through the functioning speed who uses low-speed motor 602 to reduce whole mechanism, avoid functioning speed to be too high and lead to producing high temperature, influence the detection to the gas, the right side surface of detecting tube 4 has offered through-hole 603, through-hole 603 internally mounted has sealed bearing 604, the output shaft of low-speed motor 602 and the right side surface fixed connection of sealed bearing 604 inner circle, set up sealed bearing 604 and can avoid gas to get into mounting box 601, thereby the temperature that produces when avoiding low-speed motor 602 to operate produces the gas measurement and produce the influence, sealed bearing 604 inner circle's left side surface fixed mounting has the bevel gear 605, accessible sealed bearing 604 drives the bevel gear 605 and rotates when low-speed motor 602 starts, fixed plate 606 fixed mounting is at the right side inner wall bottom of detecting tube 4.
The right side inner wall center department fixed mounting limiting plate 607 of test tube 4, screw 608 rotates the top surface of installing at fixed plate 606, the bottom surface fixed mounting of top penetration limiting plate 607 of screw 608 has driven bevel gear 609, the flank of tooth of rotation bevel gear 605 and the flank of tooth intermeshing of driven bevel gear 609, can drive driven bevel gear 609 and rotate when rotating bevel gear 605, and then drive screw 608 and rotate, the junction fixed mounting of the both ends has two spacing rings 610 about screw 608 outside and limiting plate 607, the part of the outside of screw 608 being located the spacing ring 610 bottom surface top of below does not set up the screw, spacing ring 610 through setting up carries out spacing to screw 608, thereby stability when reinforcing screw 608 rotates, the outside threaded connection of screw 608 has go-between 611, the outer wall of go-between 611 is mutually laminated with the inner wall of test tube 4, can drive go-between 611 and carry out the removal of upper and lower direction under the spacing of test tube 4 when screw 608 rotates.
The bottom surface fixed mounting of go-between 611 has regulation pipe 612, can drive the regulation pipe 612 and remove simultaneously when go-between 611 removes, thereby make regulation pipe 612 can extract the gas of different coal seams, thereby realize the measurement to the gas pressure of different coal seams, spout 614 sets up the left side inner wall surface at test tube 4, spout 614 inside sliding connection has slider 615, the removal of go-between 611 is led spacing through the slider 615 that sets up, make the removal of go-between 611 more stable, the bottom surfaces of go-between 611 and slider 615 all are provided with sealing rubber layer 613, avoid the inside influence testing result that leads to of gas entering test tube 4 of the unnecessary measurement coal seam of test tube 4 below through setting up sealing rubber layer 613, the outer wall of slider 615 is laminated each other with the inner wall of spout 614, the right side surface of slider 615 and the left side surface fixed connection of go-between 611.
In the utility model, when the gas pressure measuring device is used, the low-speed motor 602 is started, the screw 608 is driven to rotate at a low speed through the cooperation of the through hole 603, the sealing bearing 604, the rotary bevel gear 605 and the driven bevel gear 609, so that the connecting ring 611 is driven to move up and down under the limit of the detecting pipe 4, the bottom end of the adjusting pipe 612 can reach different coal seams, the gas pressure of the different coal seams can be measured, and the influence on the detecting result caused by the fact that the gas of the unnecessary measuring coal seams below the detecting pipe 4 enters the detecting pipe 4 is avoided through the sealing rubber layer 613.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a gas pressure measurement device, includes sleeve pipe (1), drain pipe (2) and slip casting pipe (3), sleeve pipe (1) inside center department is provided with detection tube (4), the top of detection tube (4) is provided with manometer (5), its characterized in that: the inside adjustment mechanism (6) that is provided with of detection tube (4), adjustment mechanism (6) include:
the mounting box (601), the right side surface of mounting box (601) fixed mounting at detecting pipe (4), the inside right side surface fixed mounting of mounting box (601) has low-speed motor (602), through-hole (603) have been seted up on the right side surface of detecting pipe (4), sealed bearing (604) are fixed mounting in through-hole (603), the left side surface fixed mounting of sealed bearing (604) inner circle has rotation bevel gear (605);
the fixing plate (606), the fixing plate (606) is fixedly arranged at the bottom end of the right inner wall of the detection tube (4), and a limiting plate (607) is fixedly arranged at the center of the right inner wall of the detection tube (4);
the screw (608), the screw (608) is rotatably arranged on the top surface of the fixed plate (606), the top end of the screw (608) penetrates through the bottom surface of the limiting plate (607) and is fixedly provided with a driven bevel gear (609), the joint between the outer side of the screw (608) and the upper end and the lower end of the limiting plate (607) is fixedly provided with two limiting rings (610), the outer side of the screw (608) is in threaded connection with a connecting ring (611), and the bottom surface of the connecting ring (611) is fixedly provided with an adjusting pipe (612);
the sliding groove (614), spout (614) are offered at detecting tube (4) left side inner wall surface, spout (614) inside sliding connection has slider (615), the right side surface of slider (615) is fixed connection with the left side surface of go-between (611).
2. A gas pressure measurement device according to claim 1, wherein: an output shaft of the low-speed motor (602) is fixedly connected with the right side surface of the inner ring of the sealing bearing (604).
3. A gas pressure measurement device according to claim 1, wherein: the tooth surface of the rotary bevel gear (605) is meshed with the tooth surface of the driven bevel gear (609).
4. A gas pressure measurement device according to claim 1, wherein: the bottom surfaces of the connecting ring (611) and the sliding block (615) are respectively provided with a sealing rubber layer (613).
5. A gas pressure measurement device according to claim 1, wherein: the outer wall of the sliding block (615) is mutually attached to the inner wall of the sliding groove (614).
6. A gas pressure measurement device according to claim 1, wherein: the outer wall of the connecting ring (611) is mutually attached to the inner wall of the detection tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320962420.2U CN219774118U (en) | 2023-04-25 | 2023-04-25 | Gas pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320962420.2U CN219774118U (en) | 2023-04-25 | 2023-04-25 | Gas pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774118U true CN219774118U (en) | 2023-09-29 |
Family
ID=88134717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320962420.2U Active CN219774118U (en) | 2023-04-25 | 2023-04-25 | Gas pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774118U (en) |
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2023
- 2023-04-25 CN CN202320962420.2U patent/CN219774118U/en active Active
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