CN218157887U - Coal bed gas combustible gas monitoring devices - Google Patents
Coal bed gas combustible gas monitoring devices Download PDFInfo
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- CN218157887U CN218157887U CN202220985212.XU CN202220985212U CN218157887U CN 218157887 U CN218157887 U CN 218157887U CN 202220985212 U CN202220985212 U CN 202220985212U CN 218157887 U CN218157887 U CN 218157887U
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Abstract
The utility model belongs to the technical field of combustible gas monitoring, in particular to a device for monitoring combustible gas in coal bed gas; the device comprises a detection device body, wherein a sealing door is arranged on one side wall of the detection device body, a dust blocking net is arranged on the other side wall of the detection device body, and a connecting box is arranged in the detection device body; a cleaning component is arranged outside the dust blocking net and comprises sliding rods which are arranged on two sides of the dust blocking net and are parallel to each other, and scraping plates are assembled between the sliding rods in a guiding manner; a convenient-to-detach assembly is arranged between the connecting box and the detection device body, the convenient-to-detach assembly comprises an inserting block fixed on the connecting box, a limiting block and a limiting block linkage mechanism, the limiting block and the limiting block linkage mechanism are assembled in the detection device body, a socket for inserting the inserting block is formed in the detection device body, and the limiting block is assembled in the detection device body in a sliding mode; through setting up the just subassembly of tearing open, be convenient for pull down the connecting box fast to maintain the monitoring devices in the connecting box, through setting up clean subassembly, be convenient for clean the dust screen on the device.
Description
Technical Field
The utility model belongs to the technical field of the combustible gas monitoring, concretely relates to coal bed gas combustible gas monitoring devices.
Background
Coal bed gas is commonly called as 'gas', is hydrocarbon gas which is stored in a coal bed, takes methane as a main component, is adsorbed on the surface of coal matrix particles as a main component, is partially dissociated in coal pores or dissolved in coal bed water, is associated mineral resources of coal, belongs to unconventional natural gas, is clean and high-quality energy and chemical raw materials which grow up internationally in recent years, has the same heat value as natural gas, can be mixed with natural gas for transportation and use, is clean after combustion, hardly generates any waste gas, and is superior industrial, chemical, power generation and resident life fuel. However, the problem of gas leakage exists in the coal bed gas exploitation site or pipe network gathering and transportation, and the coal bed gas monitoring always needs to be solved for the utilization of the coal bed gas. At present, a plurality of devices for monitoring coal bed gas are generally inconvenient to carry, are suitable for being used in a certain place in a fixed mode, and are not suitable for mobile working places and temporary monitoring, such as drilling sites. The coal bed gas combustible gas monitoring device disclosed by the Chinese patent application number of 201921206898.2 has the characteristics of convenience in carrying and convenience in use at any time, but the problems of complex working environment of a coal bed gas field operation place, such as large dust, frequent ground vibration and the like are not considered, and in addition, the monitoring instrument is high in sensitivity and poor in interference resistance, the gas inlet is easily blocked or the monitoring instrument is easily damaged by dust; meanwhile, the original device is inconvenient to disassemble and not easy to maintain. Aiming at the problems, the dust removing device and the parts for disassembling the monitoring instrument are redesigned by combining the coal bed gas drilling and mining field condition, so that the dust can be conveniently and rapidly removed on site in time, and the monitoring instrument can be rapidly disassembled and maintained. At present, the instrument is widely applied to a coal bed gas drilling and mining field in a water seepage basin.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a coal bed gas combustible gas monitoring devices has the characteristics of the accuracy of the maintenance of being convenient for, assurance monitoring result.
In order to achieve the above object, the utility model provides a following technical scheme: a coal bed gas combustible gas monitoring device comprises a detection device body, wherein one side wall of the detection device body is provided with a sealing door, the other side wall of the detection device body is provided with a dust blocking net, a connecting box is arranged in the detection device body at a position corresponding to the dust blocking net and is communicated with the outside through the dust blocking net, and a combustible gas monitoring instrument is arranged in the connecting box; a cleaning component is arranged outside the dust blocking net, the cleaning component comprises sliding rods which are arranged on two sides of the dust blocking net and are parallel to each other, a scraping plate is assembled between the sliding rods in a guiding manner, and a scraping edge of the scraping plate is attached to the dust blocking net; be provided with the just subassembly of tearing open of several between connecting box and the detection device body, just tear the subassembly open including fixing the inserted block on the connecting box and assembling stopper, the stopper link gear at this internal at the detection device, it has the socket that is used for the inserted block to peg graft to open on the detection device body, the stopper slides the assembly and this internally at the detection device, and it has the locking groove to open on the inserted block, and stopper link gear drive stopper card is gone into in the locking groove or breaks away from in the locking groove.
Furthermore, the sliding rod frame is arranged between the stop block and the stop block, the stop block and the stop block are respectively used as the front limit and the rear limit of the sliding rod, a compression spring is sleeved on the sliding rod section from the scraper to the stop block, and a push block is arranged on the scraper.
Further, stopper link gear includes connecting block, spacing spring, pull rod, connecting block and stopper fixed connection, and spacing spring housing is on the connecting block, and spacing spring one end offsets with the stopper, the other end uses the detection device body as supporting, is provided with hollow cavity on the detection device body, and in the cavity was worn into outward to the pull rod, in the connecting block stretched into the cavity, connected through two articulated bull sticks between pull rod and the connecting block.
Furthermore, the limiting block linkage mechanism further comprises a connecting seat and a limiting rod, the limiting rod is suspended and supported in the cavity of the detection device body, the limiting rod is located right above the pull rod and parallel to the pull rod, and the connecting seat is suspended on the limiting rod in a sliding mode and connected with the pull rod.
Furthermore, the section of the part of the limiting block, which extends into the socket, is gradually reduced from top to bottom, one surface facing the connecting box is a wedge-shaped inclined surface, and the other surface opposite to the connecting box is a plane.
Compared with the prior art, the utility model has the advantages of:
1. the utility model drives the connecting seat to move along the limiting rod by setting the easy-to-detach component and further drives the rotating rod to rotate by pulling the pull rod, thereby driving the connecting block and the limiting block to move, so that the limiting block is separated from the inserting block, and further the inserting block can be pulled out from the detecting device body, thereby being convenient for rapidly detaching the connecting box so as to maintain the monitoring device in the connecting box;
2. the utility model discloses a set up clean subassembly, promote the ejector pad through the staff and drive the scraper blade and remove along the slide bar and scrape the online impurity of fender dust to compression spring, then loosen the scraper blade, compression spring stretches and drives the scraper blade and scrape the online impurity of fender dust again, keeps away from the dog of the one end of piece through the slide bar, prevents that the scraper blade from droing from the slide bar, makes the fender dust net on the device clean fast.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a side view schematic structure diagram of the present invention;
fig. 4 is a schematic structural view of the easy-to-detach assembly of the present invention.
In the figure: 1. a detection device body; 2. a sealing door; 3. a dust blocking net; 4. a cleaning assembly; 41. a stopper; 42. a slide bar; 43. a squeegee; 44. a compression spring; 45. blocking; 46. a push block; 5. the assembly is convenient to disassemble; 51. inserting a block; 52. a limiting block; 53. a limiting spring; 54. a pull rod; 55. a connecting seat; 56. a limiting rod; 57. a rotating rod; 58. connecting blocks; 6. and a connecting box.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
As shown in fig. 1, 2; the utility model provides a coal bed gas combustible gas monitoring devices, includes detection device body 1, a lateral wall of detection device body 1 is provided with sealing door 2, another lateral wall is provided with keeps off dirt net 3, this internal corresponding position department that keeps off dirt net 3 of detection device installs connecting box 6, connecting box 6 is semi-closed form, connecting box 6 is through keeping off dirt net 3 and external UNICOM, be provided with combustible gas monitoring instrument and fan in the connecting box 6, and the direction of blowing of fan is towards combustible gas monitoring instrument. An air exhaust mechanism is arranged in the detection device body 1, an air inlet pipe is arranged at the input end of the air exhaust mechanism, and an exhaust pipe is arranged at the output end of the air exhaust mechanism; the exhaust pipe penetrates through the detection device body 1 and is connected with an external exhaust pipeline, and the external ventilation pipeline is communicated with the outside and discharges gas to the outside. The detection device body 1 is provided with a handle and an alarm, and the alarm is in communication connection with a combustible gas monitoring instrument; a display screen is arranged on the sealing door 2; the display screen is in communication connection with the combustible gas monitoring instrument; the PLC controller is in communication connection with a combustible gas monitoring instrument and an air exhaust mechanism; the switch of each device can be controlled manually or automatically through the controller, so that the use and control are convenient, and the safety performance is better; a storage battery is arranged in the detection device body 1, and a charging jack is arranged at a position corresponding to the detection device body 1; the storage battery is electrically connected with each electric device.
The fan rotates, the outside gas is in 3 entering connecting box 6 through keeping off the dirt net, combustible gas monitoring instrument detects combustible gas concentration, combustible gas monitoring instrument is connected with the siren communication, when combustible gas concentration reaches a definite value, the siren sends the police dispatch newspaper, remind operating personnel to make relevant reaction, and display screen and combustible gas monitoring instrument communication connection, show combustible gas concentration information constantly on the display screen, make things convenient for operating personnel to know coal bed gas combustible gas concentration information, the security performance is splendid. When the concentration of the combustible gas is greater than a certain value, the air exhaust mechanism is started to exhaust the combustible gas to the atmosphere through the exhaust pipe; the concentration of combustible gas in the environment is reduced, and safety accidents are avoided.
As shown in fig. 3; the outside of dust blocking net 3 is provided with cleaning assembly 4, and cleaning assembly 4 is including arranging dust blocking net 3 both sides in and the slide bar 42 that is parallel to each other in, and the direction is equipped with scraper blade 43 between the slide bar 42, and the sword of scraping of scraper blade 43 is laminated with dust blocking net 3. The sliding rod 42 is erected between the stop block 41 and the stop block 45, the stop block 41 and the stop block 45 are respectively used as the front and rear limit of the sliding rod 42 to prevent the scraper 43 from falling off from the sliding rod 42, a compression spring 44 is sleeved on the sliding rod section from the scraper 43 to the stop block 45, and a push block 46 is arranged on the scraper 43. The worker drives the scraper 43 to move along the slide bar 42 to scrape off the impurities on the dust-blocking net 3, compresses the compression spring 44, then loosens the scraper 43, and the compression spring 44 stretches to drive the scraper 43 to scrape off the impurities on the dust-blocking net 3 again, so that the dust-blocking net 3 can be cleaned conveniently.
When in use: the staff promotes ejector pad 46 and drives scraper blade 43 and remove the impurity on keeping off the dirt net 3 along slide bar 42 removal to compress compression spring 44, then loosen scraper blade 43, compression spring 44 stretches and drives scraper blade 43 and scrape the impurity on keeping off the dirt net 3 once more, keeps away from the dog 41 of the one end of piece 45 through slide bar 42, prevents that scraper blade 43 from droing from slide bar 42, makes the dirt net 3 on the device can clean fast.
As shown in fig. 4; be provided with the several just subassembly 5 of tearing open between connecting box 6 and the detection device body 1, just tear subassembly 5 open including fixing inserted block 51 and stopper 52, the stopper link gear of assembly in the detection device body 1 on the connecting box 6, detection device body 1 is gone up to open has the socket that is used for inserted block 51 to peg graft, stopper 52 slides and assembles in the detection device body 1, it has the locking groove to open on the inserted block 51, stopper link gear drive stopper 52 card is gone into in the locking groove or breaks away from the locking groove.
The limiting block linkage mechanism comprises a connecting block 58, a limiting spring 53 and a pull rod 54, the connecting block 58 is fixedly connected with the limiting block 52, the limiting spring 53 is sleeved on the connecting block 58, one end of the limiting spring 53 abuts against the limiting block 52, the other end of the limiting spring is supported by the detection device body 1, a hollow cavity is formed in the detection device body 1, the pull rod 54 penetrates into the cavity from the outside, the connecting block 58 extends into the cavity, and the pull rod 54 and the connecting block 58 are connected through a rotating rod 57 hinged to the two ends.
The limiting block linkage mechanism further comprises a connecting seat 55 and a limiting rod 56, the limiting rod 56 is suspended and supported in the cavity of the detection device body 1, the limiting rod 56 is located right above the pull rod 54 and is parallel to the pull rod 54, and the connecting seat 55 is slidably hung on the limiting rod 56 and is connected with the pull rod 54. Spacing rod 56 of one side of connecting block 58 is kept away from through connecting seat 55, prevents that connecting seat 55 from removing the in-process and taking place the skew, guarantees that stopper 52 connects the stability of inserted block 51.
The section of the part of the limiting block 52 extending into the socket is gradually reduced from top to bottom, one surface facing the connecting box 6 is a wedge-shaped inclined surface, and the other surface opposite to the connecting box 6 is a plane. The limiting block 52 is an inclined surface near one end of the insertion block 51, so that the insertion block 51 can be directly inserted into the detection device body 1 conveniently.
When in use: drive connecting seat 55 through pulling pull rod 54 and remove along gag lever post 56, drive bull stick 57 and rotate, and then drive connecting block 58 and stopper 52 and remove for stopper 52 breaks away from inserted block 51, and then makes inserted block 51 extract from detection device body 1, is convenient for pull down connecting box 6 fast, so that maintain the monitoring devices in the connecting box 6.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A coal bed gas combustible gas monitoring device comprises a detection device body (1), wherein a sealing door (2) is arranged on one side wall of the detection device body (1), a dust blocking net (3) is arranged on the other side wall of the detection device body (1), a connecting box (6) is installed in the detection device body (1) at a position corresponding to the dust blocking net (3), the connecting box (6) is communicated with the outside through the dust blocking net (3), and a combustible gas monitoring instrument is arranged in the connecting box (6); the method is characterized in that: a cleaning component (4) is arranged outside the dust blocking net (3), the cleaning component (4) comprises sliding rods (42) which are arranged on two sides of the dust blocking net (3) and are parallel to each other, a scraper (43) is assembled between the sliding rods (42) in a guiding manner, and the scraping edge of the scraper (43) is attached to the dust blocking net (3); be provided with several just, tear subassembly (5) open between connecting box (6) and detection device body (1), just, tear subassembly (5) open including fixing inserted block (51) on connecting box (6) and assemble stopper (52) in detection device body (1), stopper link gear, it has the socket that is used for inserted block (51) to peg graft to open on detection device body (1), stopper (52) slip assembly is in detection device body (1), it has the locking groove to open on inserted block (51), stopper link gear drive stopper (52) card is gone into in the locking groove or is broken away from the locking groove.
2. The device for monitoring the combustible gas in the coal bed methane according to claim 1, wherein: the sliding rod (42) is erected between the stop block (41) and the stop block (45), the stop block (41) and the stop block (45) are respectively used for front and rear limiting of the sliding rod (42), a compression spring (44) is sleeved on the sliding rod section from the scraper (43) to the stop block (45), and a push block (46) is arranged on the scraper (43).
3. The device for monitoring the combustible gas in the coal bed methane according to claim 1, wherein: the limiting block linkage mechanism comprises a connecting block (58), a limiting spring (53), a pull rod (54), the connecting block (58) is fixedly connected with a limiting block (52), the limiting spring (53) is sleeved on the connecting block (58), one end of the limiting spring (53) is abutted to the limiting block (52), the other end of the limiting spring is supported by a detection device body (1), a hollow cavity is formed in the detection device body (1), the pull rod (54) penetrates into the cavity from the outside, the connecting block (58) stretches into the cavity, and the pull rod (54) and the connecting block (58) are connected through a rotating rod (57) hinged to each other.
4. The device of claim 3, wherein: the limiting block linkage mechanism further comprises a connecting seat (55) and a limiting rod (56), the limiting rod (56) is suspended and supported in a cavity of the detection device body (1), the limiting rod (56) is located right above the pull rod (54) and parallel to the pull rod (54), and the connecting seat (55) is slidably hung on the limiting rod (56) and connected with the pull rod (54).
5. The device for monitoring the combustible gas in the coal bed methane according to claim 4, wherein: the section of the part, stretching into the socket, of the limiting block (52) is gradually reduced from top to bottom, one surface facing the connecting box (6) is a wedge-shaped inclined surface, and the other surface back to the connecting box (6) is a plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220985212.XU CN218157887U (en) | 2022-04-27 | 2022-04-27 | Coal bed gas combustible gas monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220985212.XU CN218157887U (en) | 2022-04-27 | 2022-04-27 | Coal bed gas combustible gas monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218157887U true CN218157887U (en) | 2022-12-27 |
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ID=84572140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220985212.XU Active CN218157887U (en) | 2022-04-27 | 2022-04-27 | Coal bed gas combustible gas monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218157887U (en) |
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2022
- 2022-04-27 CN CN202220985212.XU patent/CN218157887U/en active Active
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