CN114720207B - Piston type high-pressure natural gas sampler - Google Patents
Piston type high-pressure natural gas sampler Download PDFInfo
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- CN114720207B CN114720207B CN202210401836.7A CN202210401836A CN114720207B CN 114720207 B CN114720207 B CN 114720207B CN 202210401836 A CN202210401836 A CN 202210401836A CN 114720207 B CN114720207 B CN 114720207B
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 239000003345 natural gas Substances 0.000 title claims abstract description 74
- 238000007789 sealing Methods 0.000 claims description 94
- 230000005540 biological transmission Effects 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 44
- 238000004891 communication Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a piston type high-pressure natural gas sampler, which belongs to the technical field of natural gas collection, and aims to solve the problems that when natural gas in different sections needs to be sampled in the same natural gas pipeline, the natural gas sampler needs to be continuously disassembled and connected, is very troublesome to operate, reduces the collection efficiency and consumes labor.
Description
Technical Field
The invention relates to the technical field of natural gas collection, in particular to a piston type high-pressure natural gas sampler.
Background
Natural gas refers to all gases naturally occurring in nature, including gases formed by various natural processes in the atmosphere, water and rock circles. With the advancement of industrialization and the increase of natural gas demand in daily life, people pay more attention to natural gas. The proportions of the components in natural gas affect its combustion characteristics and the performance and emissions characteristics of natural gas fueled internal combustion engines and the like. The national certification regulations prescribe that the natural gas composition is to be detected regularly, which involves on-site pipeline natural gas collection problems.
At present, when gathering natural gas, generally need be connected the input of collector with natural gas pipeline's output, through opening natural gas delivery switch, can impress natural gas into the collector and collect, but when in actual use, generally need sample the natural gas to different sections in same natural gas pipeline to satisfy the accurate test to natural gas delivery stability and quality, when adopting different collectors to gather, then need constantly dismantle the connection, the operation is very troublesome, the collection efficiency has been reduced, consume the manpower, inconvenient use.
In order to solve the problems, a piston type high-pressure natural gas sampler is provided.
Disclosure of Invention
The invention aims to provide a piston type high-pressure natural gas sampler, which adopts the device to work, so that the problems that when the natural gas is collected in the background, the input end of the collector is usually required to be connected with the output end of a natural gas pipeline, and the natural gas can be pressed into the collector to be collected by opening a natural gas conveying switch, but when the natural gas sampler is actually used, the natural gas in different sections is usually required to be sampled in the same natural gas pipeline, thereby meeting the accurate test of the natural gas conveying stability and quality, when the natural gas is collected by adopting different collectors, the continuous disassembly connection is required, the operation is very troublesome, the collection efficiency is reduced, the labor is consumed, and the use is inconvenient are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the piston type high-pressure natural gas sampler comprises a collecting bottle, wherein a concave handle is fixedly arranged on the outer wall of the middle part of the collecting bottle, a gas transmission port is fixedly arranged in the middle of the bottom surface of the collecting bottle in a communicated manner, a sealing pushing column is arranged in the inner cavity of the middle part of the lower end of the collecting bottle, a gas transmission multi-layer piston is arranged in the inner cavity of the lower end of the collecting bottle in a sealing sliding manner, a separation piston assembly is arranged in the inner cavity of the middle part of the collecting bottle in a sealing manner, a display panel is arranged on the outer wall of the collecting bottle, the collecting bottle comprises a collecting bottle main body and five rubber sealing pumping ports respectively arranged on the outer wall of one side of the collecting bottle main body, a one-way gas inlet valve is fixedly arranged in the inner cavity of the lower end of the collecting bottle main body in a sealing manner, a pressure sensor is embedded and arranged on the bottom surface of the inner cavity of the lower end of the collecting bottle main body, and the pressure sensor is electrically connected with the display panel;
the air delivery port comprises an air inlet sleeve and a thread connecting sleeve fixedly arranged on the bottom surface of the air inlet sleeve;
the sealing pushing column comprises an embedded mounting sleeve and a reset spring mounted on the inner wall of the inner cavity of the embedded mounting sleeve, a telescopic connecting column is slidably arranged in the inner cavity of the embedded mounting sleeve, one end of the reset spring is mounted on the outer wall of one end of the telescopic connecting column, a sealing ring is fixedly mounted on the inner wall of the opening at the lower end of the inner cavity of the embedded mounting sleeve, and the telescopic connecting column is slidably arranged in the sealing ring in a sealing manner;
the gas transmission multi-layer piston comprises a multi-layer circular plate and a multi-layer sealing ring fixedly sleeved on the outer peripheral wall of the multi-layer circular plate, a driven circular table sealing block is slidably arranged in an inner cavity of one end of the multi-layer circular plate, an upper supporting driving rack is slidably arranged in an inner cavity of one end of the multi-layer circular plate, the upper supporting driving rack is arranged at one end of the lower end of the driven circular table sealing block, a pair of L-shaped clamping mechanisms are arranged in an inner cavity of the upper end of one end of the multi-layer circular plate, and the L-shaped clamping mechanisms are respectively arranged at two ends of the driven circular table sealing block;
the separation piston assembly comprises a sealing piston and three communication pistons arranged at the lower end of the sealing piston, the sealing piston and the communication pistons are overlapped, and the sealing piston and the communication pistons are arranged in the middle inner cavity of the collecting bottle body in a sealing sliding mode.
Further, be provided with in the middle part inner chamber of collection bottle main part lower extreme and press into the inside groove, be provided with in the upper end inner chamber of collection bottle main part and collect the inside groove, be provided with the air inlet communication hole on pressing into the middle part bottom surface of inside groove inner chamber, and one-way admission valve fixed mounting is in the inner chamber of air inlet communication hole, be provided with L type through-hole on pressing into the one end top surface of inside groove inner chamber, and the upper end opening part intercommunication of L type through-hole is provided with first round platform shutoff hole, and the upper end intercommunication in first round platform shutoff hole sets up on collecting the inner chamber bottom surface of inside groove, and be provided with outer through-hole on collecting the middle part top surface of inside groove inner chamber, and be located the sealed extraction opening of rubber of lower extreme and set up in pressing into the inside groove, the sealed extraction opening of rubber everywhere that is located the upper end evenly sets up respectively in the position department of collecting the inside groove.
Further, multilayer plectane fixed mounting is in the lower tip of telescopic connection post, and the top surface one end department of multilayer plectane is provided with the second round platform shutoff hole, the bottom surface one end department of multilayer plectane is provided with circular lower interface, and the upper end intercommunication of circular lower interface sets up on the inner chamber bottom surface of second round platform shutoff hole, the top surface one end department of multilayer plectane still is provided with a pair of L type joint mounting hole, and joint mounting hole sets up the both ends department at second round platform shutoff hole respectively, and the lower extreme opening part intercommunication of joint mounting hole sets up on the inner chamber inner wall of second round platform shutoff hole, through a pair of first connecting plate fixed mounting spring coupling button piece on the upper end inner wall of second round platform shutoff hole inner chamber, and install a pair of extension spring on the bottom surface of spring coupling button piece, and be provided with T type interior spout on the outer end inner wall of circular lower interface inner chamber, movable mounting has drive gear in the middle part inner chamber of circular lower interface.
Further, the driven round platform sealing block comprises a first rubber round platform block and a driven rack fixedly installed at one end of the bottom surface of the first rubber round platform block, the driven rack is arranged at one end of the transmission gear, and the driven rack is meshed with the transmission gear.
Further, the upward-supporting driving rack comprises a rack main body and a T-shaped sliding block fixedly installed on the outer wall of one end of the upper end of the rack main body, the rack main body is arranged at the other end of the transmission gear, the rack main body is connected with the transmission gear in a meshed mode, a compression spring is installed on the bottom surface of the T-shaped sliding block, and the T-shaped sliding block is arranged in the T-shaped inner sliding groove in a sliding mode through the elastic sliding of the compression spring.
Further, the L-shaped clamping mechanism comprises a lower pressing block and a receiving clamping block, wherein one end of the receiving clamping block is embedded into the inner cavity of the lower end of the lower pressing block in a sliding manner, the lower pressing block is longitudinally arranged in the inner cavity of the clamping mounting hole in a sliding manner, and the receiving clamping block is transversely arranged in the inner cavity of the clamping mounting hole in a sliding manner.
Further, the lower pressing block comprises a lower pressing block main body and a pressing spring arranged on the bottom surface of the lower pressing block main body, an embedded groove is formed in the outer wall of the inner end of the lower pressing block main body, and inclined sliding ways are respectively arranged on the inner walls of the two sides of the inner cavity of the embedded groove.
Further, the income joint piece includes income joint piece main part and respectively fixed mounting on the outer wall of income joint piece main part one end both sides middle part circular slide shaft, and circular slide shaft slides and sets up in the slope slide, is provided with big inclined slide face on the other end top surface of income joint piece main part, is provided with little inclined slide face on the other end bottom surface of income joint piece main part.
Further, the sealing piston comprises a sealing circular middle plate and a first sealing ring fixedly installed on the outer peripheral wall of the sealing circular middle plate, a first connecting rope is arranged in the middle of the bottom surface of the sealing circular middle plate, and the lower end part of the first connecting rope is connected with a second rubber round table block.
Further, the communication piston is including the circular medium plate of intercommunication and fixed mounting second sealing washer on the outer peripheral wall of circular medium plate of intercommunication, the middle part of the circular medium plate of intercommunication is provided with the third round platform shutoff hole, and through a pair of second connecting plate fixed mounting on the lower extreme inner wall of third round platform shutoff hole inner chamber, and the second rubber round platform piece sets up in the third round platform shutoff hole, the bottom surface that the round connects the rope piece is connected with the second and connects the rope, the lower extreme portion of second is connected with the third rubber round platform piece, and the third rubber round platform piece that is located on the circular medium plate of intercommunication of lowermost sets up in first round platform shutoff hole.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the piston type high-pressure natural gas sampler provided by the invention, when an operator needs to collect natural gas in a pipeline, the gas delivery port can be fixedly arranged on the output end of the natural gas pipeline in a sealing way through the threaded connecting sleeve, after the natural gas pipeline is opened, the natural gas can be extruded into the pressure inlet inner groove, so that the gas delivery multi-layer piston can be pushed upwards, air in the pressure inlet inner groove can be pushed upwards by the gas delivery multi-layer piston to enter the collecting inner groove through the L-shaped through hole and the first round table plugging hole, at the moment, the communicating pistons are in a communicating state, so that the collecting inner groove is enabled to be in place, the pressure in the space below the sealing piston is equal, and therefore the communicating pistons can only be in place, however, when the air pressure between the sealing piston and the gas delivery multi-layer piston is larger than the external air pressure, the sealing piston can be driven to move upwards integrally, and when the multi-layer piston moves to the upper end of the inner cavity of the pressure inlet inner groove, the second round table can be moved upwards into the inner cavity of the upper end of the third round table, the air can be plugged, the air can be discharged through the pressure of the sealing inner cavity, and the pressure can be conveniently set, and the natural gas can be collected when the pressure is used, and the natural gas sampler is used.
2. When the piston type high-pressure natural gas sampler provided by the invention moves to the upper end of the inner cavity pressed into the inner groove, the lower pressing block integrally moves downwards under the extrusion of the inner wall pressed into the upper end of the inner cavity of the inner groove, at the moment, the receiving clamping block can slide into the inner cavity of the L-shaped clamping mounting hole under the limiting action of the inclined slideway until one end of the receiving clamping block is separated from the first rubber round table block, at the moment, the first rubber round table block can move upwards under the elastic action of the extension spring, the second round table blocking hole is in a communicating state, the telescopic connecting column can drive the gas transmission multi-layer piston to move downwards under the elastic action of the reset spring, so that the initial position is recovered, at the moment, the natural gas at the lower end of the gas transmission multi-layer piston can move to the upper end of the gas transmission multi-layer piston, the elastic force of the return spring is far greater than that of the extension spring, so that the inner cavity bottom surface pressed into the inner groove can press the rack main body upwards when the gas transmission multi-layer piston moves downwards, the driven rack can be driven to move downwards under the transmission action of the transmission gear, the first rubber round table block can continuously cross the receiving clamping block until the upper end of the first rubber round table block moves to the position of the small inclined sliding surface, the receiving clamping block can rapidly press and clamp the first rubber round table block under the elastic force of the extrusion spring, the gas transmission multi-layer piston can recover the sealing state again, natural gas can be conveniently collected next time, the pressure of the natural gas during conveying is skillfully applied, various effects can be simultaneously achieved by the pressure, the sampler can collect the same pipeline for multiple times without taking down the sampler, and the collection efficiency is improved, the labor is saved, and the use is convenient.
3. According to the piston type high-pressure natural gas sampler provided by the invention, when the gas transmission multi-layer piston moves to the lower end of the inner cavity of the pressing-in inner groove, the gas transmission multi-layer piston is reset, then after an operator opens the natural gas pipeline again, the natural gas is pressed into the pressing-in inner groove again, the gas transmission multi-layer piston moves upwards, the natural gas at the upper end of the gas transmission multi-layer piston can enter the collecting inner groove through the L-shaped through hole and the first round table plugging hole again under the extrusion of the gas transmission multi-layer piston, at the moment, due to the plugging effect of the second round table block, the communication piston at the uppermost end is in a sealing state, at the moment, the communication piston can act as a sealing piston, and can move upwards under the driving of the natural gas until the third round table block plugs the communication piston at the middle part, and after the sealing, the gas transmission multi-layer piston can reset, so that samples of different sections in the natural gas pipeline can be continuously input into the sampler until the inner cavity of the pressure-in the sampler is full, when the sampling is required, the needle tube can be inserted into the rubber sealing hole again, the suction tube can be used to be quickly pulled out from the upper end to the inner groove, the sampling efficiency can be quickly achieved, and the pressure of the sampler can be conveniently sampled, and the pressure of the sampler can be conveniently and only used, and the pressure of the sampler can be conveniently and repeatedly sampled.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a cross-sectional view of the collection bottle of the present invention;
FIG. 3 is a diagram showing the state of gas collection between the closing piston and the communicating piston of the present invention;
FIG. 4 is a diagram showing the state of gas collection between communicating pistons according to the present invention;
FIG. 5 is a cross-sectional view of the main body of the collection bottle of the present invention;
FIG. 6 is a cross-sectional view of a gas delivery multi-layer piston of the present invention;
FIG. 7 is a schematic perspective view of a multi-layered circular plate according to the present invention;
FIG. 8 is a schematic view of a circular lower interface perspective structure of the present invention;
FIG. 9 is a schematic diagram of a three-dimensional structure of a driven circular table sealing block according to the invention;
FIG. 10 is a schematic view of a perspective structure of a pressing block according to the present invention;
FIG. 11 is a schematic perspective view of a receiving block according to the present invention;
FIG. 12 is a schematic perspective view of a communication piston according to the present invention;
fig. 13 is a schematic perspective view of a closed piston according to the present invention.
In the figure: 1. collecting a bottle; 11. a collection bottle body; 111. pressing into the inner tank; 112. an air intake communication hole; 113. an L-shaped through hole; 114. the first round table is used for plugging the hole; 115. collecting the inner tank; 116. an outer through hole; 12. rubber seals the air extraction opening; 13. a one-way air inlet valve; 14. a pressure sensor; 2. a concave grip; 3. a gas transfer port; 31. an air inlet sleeve; 32. a thread connecting sleeve; 4. sealing the pushing column; 41. embedding an installation sleeve; 42. a return spring; 43. a telescopic connecting column; 44. a seal ring; 5. a gas transmission multi-layer piston; 51. a multi-layer circular plate; 511. the second round table is used for plugging the hole; 512. a circular lower interface; 513. clamping the mounting hole; 514. the spring is connected with the round block; 515. a first connection plate; 516. a tension spring; 517. t-shaped inner sliding groove; 518. a transmission gear; 52. a multi-layer sealing ring; 53. a driven round platform sealing block; 531. a first rubber round table block; 532. a driven rack; 54. the upper support drives a rack; 541. a rack main body; 542. a T-shaped slider; 543. a compression spring; 55. an L-shaped clamping mechanism; 551. pressing the block; 5511. a pressing block main body; 5512. extruding a spring; 5513. embedding the groove; 5514. an inclined slideway; 552. a receiving clamping block; 5521. a revenue clamping block body; 5522. a circular slide shaft; 5523. a large inclined slide surface; 5524. a small inclined slide surface; 6. a split piston assembly; 61. a closing piston; 611. sealing the round middle plate; 612. a first seal ring; 613. a first connecting rope; 614. a second rubber round table block; 62. a communication piston; 621. a circular middle plate is communicated; 622. a second seal ring; 623. third round table plugging hole; 624. round rope connecting blocks; 625. a second connecting plate; 626. a second connecting rope; 627. a third rubber round table block; 7. a display panel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problem of how to sample natural gas for multiple times without disassembly and assembly, as shown in fig. 1, 2 and 5-13, the following preferred technical scheme is provided:
piston high pressure natural gas sample thief, including acquisition bottle 1, its characterized in that: the utility model discloses a collection bottle, including collection bottle 1, sealed propelling movement post, collection bottle 1, separation piston assembly, display panel 7, concave handle 2 is fixedly installed on the middle part outer wall of collection bottle 1, bottom surface middle part intercommunication fixed mounting of collection bottle 1 has defeated gas port 3, installs sealed propelling movement post 4 in the middle part inner chamber of collection bottle 1 lower extreme, is provided with defeated gas multilayer piston 5 in the lower extreme inner chamber of collection bottle 1 sealed slip, is provided with separation piston assembly 6 in the middle part inner chamber of collection bottle 1 sealed slip, and installs display panel 7 on the outer wall of collection bottle 1.
The collecting bottle 1 comprises a collecting bottle main body 11 and five rubber sealing air extraction openings 12 respectively arranged on the outer wall of one side of the collecting bottle main body 11, a one-way air inlet valve 13 is fixedly arranged in the inner cavity of the lower end of the collecting bottle main body 11 in a sealing way, a pressure sensor 14 is arranged on the bottom surface of the inner cavity of the lower end of the collecting bottle main body 11 in an embedded way, the pressure sensor 14 is electrically connected with a display panel 7, the pressure sensor 14 is used for monitoring the real-time air pressure pressed into the inner cavity of the inner groove 111, the air inlet 3 comprises an air inlet sleeve 31 and a thread connecting sleeve 32 fixedly arranged on the bottom surface of the air inlet sleeve 31, the sealing pushing column 4 comprises an embedded mounting sleeve 41 and a reset spring 42 arranged on the inner cavity wall of the embedded mounting sleeve 41, a telescopic connecting column 43 is arranged in the inner cavity of the embedded mounting sleeve 41 in a sliding way, one end of the reset spring 42 is arranged on the outer wall of one end of the telescopic connecting column 43, the inner wall of the opening at the lower end of the inner cavity of the embedded mounting sleeve 41 is fixedly provided with a sealing ring 44, the telescopic connecting column 43 is arranged in the sealing ring 44 in a sealing sliding manner, the gas transmission multi-layer piston 5 comprises a multi-layer circular plate 51 and a multi-layer sealing ring 52 fixedly sleeved on the outer peripheral wall of the multi-layer circular plate 51, a driven circular table sealing block 53 is arranged in the inner cavity of one end of the multi-layer circular plate 51 in a sliding manner, an upper propping driving rack 54 is also arranged in the inner cavity of one end of the multi-layer circular plate 51, the upper propping driving rack 54 is arranged at one end of the lower end of the driven circular table sealing block 53, a pair of L-shaped clamping mechanisms 55 are arranged in the inner cavity of the upper end of one end of the multi-layer circular plate 51, the L-shaped clamping mechanisms 55 are respectively arranged at two ends of the driven circular table sealing block 53, the separation piston assembly 6 comprises a sealing piston 61 and three communicating pistons 62 arranged at the lower end of the sealing piston 61, and the sealing piston 61 and the communicating pistons 62 are arranged in a superposition manner, the closing piston 61 and the communicating piston 62 are both hermetically and slidingly arranged in the middle inner cavity of the acquisition bottle body 11.
The middle inner cavity of the lower end of the collecting bottle main body 11 is provided with a pressing-in inner groove 111, the inner cavity of the upper end of the collecting bottle main body 11 is provided with a collecting inner groove 115, the middle bottom surface of the inner cavity of the pressing-in inner groove 111 is provided with an air inlet communication hole 112, a one-way air inlet valve 13 is fixedly arranged in the inner cavity of the air inlet communication hole 112, one end top surface of the inner cavity of the pressing-in inner groove 111 is provided with an L-shaped through hole 113, the upper end opening of the L-shaped through hole 113 is communicated with a first round table plugging hole 114, the upper end of the first round table plugging hole 114 is communicated with the inner cavity bottom surface of the collecting inner groove 115, the middle top surface of the inner cavity of the collecting inner groove 115 is provided with an outer through hole 116, the rubber sealing air suction hole 12 at the lowest end is arranged in the pressing-in inner groove 111, and the four rubber sealing air suction holes 12 at the upper end are respectively and uniformly arranged at the positions of the collecting inner groove 115.
The multilayer round plate 51 is fixedly mounted at the lower end part of the telescopic connecting column 43, a second round table plugging hole 511 is formed in one end of the top surface of the multilayer round plate 51, a round lower joint 512 is formed in one end of the bottom surface of the multilayer round plate 51, the upper end of the round lower joint 512 is communicated with the bottom surface of the inner cavity of the second round table plugging hole 511, a pair of L-shaped clamping mounting holes 513 are further formed in one end of the top surface of the multilayer round plate 51, the clamping mounting holes 513 are respectively formed in two ends of the second round table plugging hole 511, the lower end opening of the clamping mounting holes 513 is communicated with the inner cavity wall of the second round table plugging hole 511, a spring connection round block 514 is fixedly mounted on the inner cavity wall of the upper end of the inner cavity of the second round table plugging hole 511 through a pair of first connecting plates 515, a pair of extension springs 516 are mounted on the bottom surface of the spring connection round block 514, a T-shaped inner sliding groove 517 is formed in the inner cavity wall of the outer end of the inner cavity of the round lower joint 512, and a transmission gear 518 is movably mounted in the middle cavity of the round lower joint 512.
The driven round platform sealing block 53 comprises a first rubber round platform block 531 and a driven rack 532 fixedly installed at one end of the bottom surface of the first rubber round platform block 531, the driven rack 532 is arranged at one end of the transmission gear 518, and the driven rack 532 is in meshed connection with the transmission gear 518.
The up-pushing driving rack 54 comprises a rack main body 541 and a T-shaped sliding block 542 fixedly mounted on the outer wall of one end of the upper end of the rack main body 541, the rack main body 541 is arranged at the other end of the transmission gear 518, the rack main body 541 is in meshed connection with the transmission gear 518, a compression spring 543 is mounted on the bottom surface of the T-shaped sliding block 542, and the T-shaped sliding block 542 is elastically and slidably arranged in the T-shaped inner sliding groove 517 through the compression spring 543.
The L-shaped clamping mechanism 55 comprises a lower pressing block 551 and a receiving clamping block 552 with one end embedded in an inner cavity of the lower end of the lower pressing block 551, the lower pressing block 551 is longitudinally arranged in the inner cavity of the clamping installation hole 513 in a sliding manner, the receiving clamping block 552 is transversely arranged in the inner cavity of the clamping installation hole 513 in a sliding manner, the lower pressing block 551 comprises a lower pressing block main body 5511 and a pressing spring 5512 arranged on the bottom surface of the lower pressing block main body 5511, an embedded groove 5513 is arranged on the outer wall of the inner end of the lower pressing block main body 5511, inclined slide ways 5514 are respectively arranged on the inner walls of two sides of the inner cavity of the embedded groove 5513, the receiving clamping block 552 comprises a receiving clamping block main body 5521 and circular slide shafts 5522 respectively fixedly arranged on the outer walls of the middle parts of two sides of one end of the receiving clamping block main body 5521, the circular slide shafts 5522 are arranged in the inclined slide ways 5514 in a sliding manner, a large inclined slide surface 5523 is arranged on the top surface of the other end of the clamping block main body 5521, and a small inclined slide surface 5524 is arranged on the bottom surface of the other end of the receiving block main body 5521.
The sealing piston 61 comprises a sealing circular middle plate 611 and a first sealing ring 612 fixedly installed on the outer peripheral wall of the sealing circular middle plate 611, a first connecting rope 613 is arranged in the middle of the bottom surface of the sealing circular middle plate 611, and the lower end part of the first connecting rope 613 is connected with a second rubber round table block 614.
Specifically, when an operator needs to collect the natural gas in a pipeline, the gas delivery port 3 can be fixedly installed on the output end of the natural gas pipeline in a sealing manner through the threaded connecting sleeve 32, after the natural gas pipeline is opened, the natural gas can be extruded and enter the compressed inner tank 111, so that the gas delivery multilayer piston 5 can be pushed upwards, the air in the compressed inner tank 111 can be moved upwards into the inner cavity of the upper end of the third round table 623 through the L-shaped through hole 113 and the first round table plugging hole 114 by the gas delivery multilayer piston 5, at the moment, the communicating piston 62 is in a communicating state, so that the pressure in the space below the sealing piston 61 is equal everywhere in the inner groove 115, and the communicating piston 62 can only be in place, however, when the air pressure between the sealing piston 61 and the gas delivery multilayer piston 5 is larger than the external air pressure, the sealing piston 61 can be driven to move upwards integrally, when the gas delivery multilayer piston 5 moves to the upper end of the inner cavity of the compressed inner tank 111, the second round table 614 can be moved upwards into the inner cavity of the upper end of the third round table 623, and the inner cavity 623 can be plugged by the aid of the third round table 623, and the pressure of the air can be conveniently discharged by the aid of the device when the pressure of the air is set, and the pressure of the air is conveniently set.
Further, when the gas transmission multi-layer piston 5 moves to the upper end of the inner cavity pressed into the inner groove 111, the lower pressing block 551 moves downward as a whole under the extrusion of the inner wall pressed into the upper end of the inner cavity of the inner groove 111, at this time, under the limiting action of the inclined slideway 5514, the receiving clamping block 552 slides into the inner cavity of the L-shaped clamping mounting hole 513 until one end of the receiving clamping block 552 is separated from the first rubber round table block 531, at this time, under the elastic action of the extension spring 516, the first rubber round table block 531 moves upward, the second round table blocking hole 511 is in a communicating state, under the elastic action of the return spring 42, the telescopic connecting column 43 drives the gas transmission multi-layer piston 5 to move downward, so as to restore to the initial position, at this time, the natural gas at the lower end of the gas transmission multi-layer piston 5 can move to the upper end of the gas transmission multi-layer piston 5, and the elastic force of the return spring 42 is set to be far greater than that of the extension spring 516, so that when the gas transmission multi-layer piston 5 moves downwards, the rack main body 541 is pressed upwards by pressing into the bottom surface of the inner cavity of the inner groove 111, the driven rack 532 can be driven to move downwards under the transmission action of the transmission gear 518, at this time, the first rubber round table block 531 continuously passes through the receiving and clamping block 552 until the upper end of the first rubber round table block moves to the position of the small inclined sliding surface 5524, under the elastic force of the extrusion spring 5512, the receiving and clamping block 552 can rapidly press and clamp the first rubber round table block 531, thereby the gas transmission multi-layer piston 5 is restored to a sealing state again, natural gas is conveniently collected next time, the pressure during the natural gas transmission is skillfully utilized by the setting, multiple effects can be simultaneously achieved, the sampler can be used for carrying out multiple collection on the same pipeline, meanwhile, the sampler is not required to be taken down and then installed, so that the collection efficiency is improved, the manpower is saved, and the use is convenient.
In order to solve the technical problem of how to separate and collect the natural gas sampled multiple times, as shown in fig. 1, 2 and 5-13, the following preferred technical scheme is provided:
the communication piston 62 includes the circular medium plate 621 of intercommunication and the second sealing washer 622 of fixed mounting on the periphery outer wall of circular medium plate 621 of intercommunication, the middle part of circular medium plate 621 of intercommunication is provided with third round platform shutoff hole 623, and through a pair of second connecting plate 625 fixed mounting on the lower extreme inner wall of third round platform shutoff hole 623 inner chamber have circular rope piece 624 that connects, and second rubber round platform piece 614 sets up in third round platform shutoff hole 623, the bottom surface of circular rope piece 624 that connects is connected with the second and connects rope 626, the lower end connection of second connects rope 626 has third rubber round platform piece 627, and the third rubber round platform piece 627 that is located on the circular medium plate 621 of intercommunication of lowermost end sets up in first round platform shutoff hole 114.
Specifically, when the gas-supply multilayer piston 5 moves to the inner chamber lower end of the pressure inlet inner groove 111, the gas-supply multilayer piston 5 resets, afterwards, after the operator opens the natural gas pipeline again, natural gas is pressed into the pressure inlet inner groove 111 again, the gas-supply multilayer piston 5 moves upwards, the natural gas at the upper end of the gas-supply multilayer piston 5 can enter the collecting inner groove 115 through the L-shaped through hole 113 and the first round platform plugging hole 114 again under the extrusion of the gas-supply multilayer piston 5, at this time, the plugging effect of the second round platform block 614 is achieved, the communication piston 62 at the uppermost end is in a sealing state, the communication piston 62 can serve as a sealing piston 61 at this time, and can move upwards under the driving of the natural gas until the third round platform block 627 plugs the communication piston 62 at the middle part, and after the plugging, the gas-supply multilayer piston 5 can reset again, thereby the sample at different sections in the gas pipeline can be continuously input into the sampler until the inner chamber of the inlet inner groove 111 is full, the pressure can be used, the pressure can be inserted into the suction port 12 when the sample is needed, the pressure can be conveniently and rapidly increased, the pressure can be conveniently collected from the suction pipe to the pressure can be simultaneously, the pressure can be conveniently and automatically increased.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Piston high pressure natural gas sample thief, including collecting bottle (1), its characterized in that: the device is characterized in that a concave grip (2) is fixedly installed on the outer wall of the middle part of the collecting bottle (1), a gas transmission port (3) is fixedly installed in the middle of the bottom surface of the collecting bottle (1), a sealing pushing column (4) is installed in the inner cavity of the middle of the lower end of the collecting bottle (1), a gas transmission multi-layer piston (5) is arranged in the inner cavity of the lower end of the collecting bottle (1) in a sealing sliding mode, a separation piston assembly (6) is arranged in the inner cavity of the middle of the collecting bottle (1) in a sealing sliding mode, a display panel (7) is installed on the outer wall of the collecting bottle (1), the collecting bottle (1) comprises a collecting bottle main body (11) and five rubber sealing extraction ports (12) which are respectively arranged on the outer wall of one side of the collecting bottle main body (11), a one-way air inlet valve (13) is fixedly installed in the inner cavity of the lower end of the collecting bottle main body (11), a pressure sensor (14) is installed on the inner cavity bottom surface of the lower end of the collecting bottle in an embedded mode, and the pressure sensor (14) is electrically connected with the display panel (7);
the air delivery port (3) comprises an air inlet sleeve (31) and a thread connecting sleeve (32) fixedly arranged on the bottom surface of the air inlet sleeve (31);
the sealing pushing column (4) comprises an embedded mounting sleeve (41) and a reset spring (42) mounted on the inner wall of the inner cavity of the embedded mounting sleeve (41), a telescopic connecting column (43) is slidably arranged in the inner cavity of the embedded mounting sleeve (41), one end of the reset spring (42) is mounted on the outer wall of one end of the telescopic connecting column (43), a sealing ring (44) is fixedly mounted on the inner wall of the opening at the lower end of the inner cavity of the embedded mounting sleeve (41), and the telescopic connecting column (43) is hermetically and slidably arranged in the sealing ring (44);
the gas transmission multi-layer piston (5) comprises a multi-layer circular plate (51) and a multi-layer sealing ring (52) fixedly sleeved on the outer peripheral wall of the multi-layer circular plate (51), a driven circular table sealing block (53) is slidably arranged in an inner cavity at one end of the multi-layer circular plate (51), an upper supporting driving rack (54) is slidably arranged in an inner cavity at one end of the multi-layer circular plate (51), the upper supporting driving rack (54) is arranged at one end of the lower end of the driven circular table sealing block (53), a pair of L-shaped clamping mechanisms (55) are arranged in an inner cavity at the upper end of one end of the multi-layer circular plate (51), and the L-shaped clamping mechanisms (55) are respectively arranged at two ends of the driven circular table sealing block (53);
the separation piston assembly (6) comprises a sealing piston (61) and three communication pistons (62) arranged at the lower end of the sealing piston (61), the sealing piston (61) and the communication pistons (62) are overlapped, and the sealing piston (61) and the communication pistons (62) are arranged in the middle inner cavity of the collecting bottle main body (11) in a sealing sliding manner;
a pressing inner groove (111) is formed in a middle inner cavity of the lower end of the collecting bottle main body (11), a collecting inner groove (115) is formed in an inner cavity of the upper end of the collecting bottle main body (11), an air inlet communication hole (112) is formed in the middle bottom surface of the inner cavity of the pressing inner groove (111), a one-way air inlet valve (13) is fixedly arranged in the inner cavity of the air inlet communication hole (112), an L-shaped through hole (113) is formed in the top surface of one end of the inner cavity of the pressing inner groove (111), a first round table plugging hole (114) is communicated at an opening of the upper end of the L-shaped through hole (113), the upper end of the first round table plugging hole (114) is communicated with the bottom surface of the inner cavity of the collecting inner groove (115), an outer through hole (116) is formed in the middle top surface of the inner cavity of the collecting inner groove (115), rubber sealing air suction openings (12) at the lowest end are formed in the pressing inner groove (111), and four rubber sealing air suction openings (12) at the upper end are uniformly arranged at positions of the collecting inner groove (115) respectively;
the utility model provides a multilayer plectane (51) fixed mounting is in the lower tip of flexible spliced pole (43), and the top surface one end department of multilayer plectane (51) is provided with second round platform shutoff hole (511), the bottom surface one end department of multilayer plectane (51) is provided with circular lower interface (512), and the upper end intercommunication of circular lower interface (512) sets up on the inner chamber bottom surface of second round platform shutoff hole (511), the top surface one end department of multilayer plectane (51) still is provided with a pair of L type joint mounting hole (513), and joint mounting hole (513) set up respectively in the both ends department of second round platform shutoff hole (511), and the lower extreme opening part intercommunication of joint mounting hole (513) sets up on the inner chamber inner wall of second round platform shutoff hole (511), through a pair of first connecting plate (515) fixed mounting circular connecting button (514) on the inner wall of second round platform shutoff hole (511), and install a pair of extension spring (516) on the bottom surface of circular lower interface (512) inner chamber's outer end inner wall, and movable transmission device (518) in circular lower interface (512).
2. The piston high pressure natural gas sampler of claim 1, wherein: the driven round platform sealing block (53) comprises a first rubber round platform block (531) and a driven rack (532) fixedly installed at one end of the bottom surface of the first rubber round platform block (531), the driven rack (532) is arranged at one end of the transmission gear (518), and the driven rack (532) is in meshed connection with the transmission gear (518).
3. The piston high pressure natural gas sampler of claim 2, wherein: the upper supporting driving rack (54) comprises a rack main body (541) and a T-shaped sliding block (542) fixedly mounted on the outer wall of one end of the upper end of the rack main body (541), the rack main body (541) is arranged at the other end of the transmission gear (518), the rack main body (541) is connected with the transmission gear (518) in a meshed mode, a compression spring (543) is mounted on the bottom surface of the T-shaped sliding block (542), and the T-shaped sliding block (542) is elastically and slidably arranged in the T-shaped inner sliding groove (517) through the compression spring (543).
4. A piston high pressure natural gas sampler as claimed in claim 3 wherein: the L-shaped clamping mechanism (55) comprises a lower pressing block (551) and a receiving clamping block (552) with one end embedded and slidably arranged in the inner cavity of the lower end of the lower pressing block (551), the lower pressing block (551) is longitudinally slidably arranged in the inner cavity of the clamping mounting hole (513), and the receiving clamping block (552) is laterally slidably arranged in the inner cavity of the clamping mounting hole (513).
5. The piston high pressure natural gas sampler of claim 4, wherein: the lower pressing block (551) comprises a lower pressing block main body (5511) and a pressing spring (5512) arranged on the bottom surface of the lower pressing block main body (5511), an embedded groove (5513) is formed in the outer wall of the inner end of the lower pressing block main body (5511), and inclined slide ways (5514) are respectively arranged on the inner walls of the two sides of the inner cavity of the embedded groove (5513).
6. The piston high pressure natural gas sampler of claim 5, wherein: the income clamping block (552) comprises a income clamping block main body (5521) and round sliding shafts (5522) respectively fixedly installed on the outer walls of the middle parts of two sides of one end of the income clamping block main body (5521), the round sliding shafts (5522) are arranged in inclined sliding ways (5514) in a sliding way, a large inclined sliding surface (5523) is arranged on the top surface of the other end of the income clamping block main body (5521), and a small inclined sliding surface (5524) is arranged on the bottom surface of the other end of the income clamping block main body (5521).
7. The piston high pressure natural gas sampler of claim 6, wherein: the sealing piston (61) comprises a sealing circular middle plate (611) and a first sealing ring (612) fixedly installed on the outer peripheral wall of the sealing circular middle plate (611), a first connecting rope (613) is arranged in the middle of the bottom surface of the sealing circular middle plate (611), and the lower end part of the first connecting rope (613) is connected with a second rubber round platform block (614).
8. The piston high pressure natural gas sampler of claim 7, wherein: the communication piston (62) comprises a communication circular middle plate (621) and a second sealing ring (622) fixedly mounted on the outer peripheral wall of the communication circular middle plate (621), a third round table plugging hole (623) is formed in the middle of the communication circular middle plate (621), a circular rope connecting block (624) is fixedly mounted on the inner wall of the lower end of the inner cavity of the third round table plugging hole (623) through a pair of second connecting plates (625), a second rubber round table block (614) is arranged in the third round table plugging hole (623), a second connecting rope (626) is connected to the bottom surface of the circular rope connecting block (624), a third rubber round table block (627) is connected to the lower end of the second connecting rope (626), and the third rubber round table block (627) located on the communication circular middle plate (621) at the lowermost end is arranged in the first round table plugging hole (114).
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Effective date of registration: 20230920 Address after: Building 2 and Building 3, No. 1, Lane 733, Pengfeng Road, Xiaokunshan Town, Songjiang District, Shanghai, 201614 Applicant after: Shanghai Zhonghe Weisi Instrument Co.,Ltd. Address before: 215011 building A1, shazhouhu science and Technology Innovation Park, Zhangjiagang high tech Industrial Development Zone, Suzhou, Jiangsu Province (Suzhou Mingzhe Energy Technology Co., Ltd.) Applicant before: Zhai Yufeng |
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Denomination of invention: Piston type high-pressure natural gas sampler Granted publication date: 20231017 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai Zhonghe Weisi Instrument Co.,Ltd. Registration number: Y2024980023142 |