CN115419823B - Gas cylinder filling tracking management system - Google Patents
Gas cylinder filling tracking management system Download PDFInfo
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- CN115419823B CN115419823B CN202211140655.XA CN202211140655A CN115419823B CN 115419823 B CN115419823 B CN 115419823B CN 202211140655 A CN202211140655 A CN 202211140655A CN 115419823 B CN115419823 B CN 115419823B
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- fixedly connected
- piston
- gas cylinder
- management system
- plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
- F17C13/003—Means for coding or identifying them and/or their contents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/08—Design features of general application for actuating the drive
- G06M1/083—Design features of general application for actuating the drive by mechanical means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/14—Design features of general application for transferring a condition from one stage to a higher stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0335—Check-valves or non-return valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0341—Filters
- F17C2205/0347—Active charcoal type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0352—Pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/05—Vessel or content identifications, e.g. labels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/05—Vessel or content identifications, e.g. labels
- F17C2205/054—Vessel or content identifications, e.g. labels by bar codes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a gas cylinder filling tracking management system, and relates to the technical field of gas cylinder filling. The utility model provides a gas cylinder fills and trails management system, includes the bottom plate, fixed mounting has the support frame on the bottom plate, still includes: the support plate and the workbench are fixedly connected to the support frame; the sleeve is fixedly connected to the supporting plate, a piston disc is connected in a sliding manner in the sleeve, a clamping plate is arranged on the supporting plate, the clamping plate is fixedly connected with the piston disc through a supporting rod, and a first spring is connected between the piston disc and the sleeve; the bottle body is placed on the supporting plate and is fixedly connected with an inflation tube; according to the invention, when the bottle body is filled with gas, the bottle body can be clamped and limited, the tightness between the sealing cover and the gas charging pipe can be improved while the bottle body is clamped and limited, the gas leakage during filling is effectively prevented, and after the bottle body is filled with gas, the counting management statistics of the bottle body filled with gas can be automatically achieved.
Description
Technical Field
The invention belongs to the technical field of gas cylinder filling, and particularly relates to a gas cylinder filling tracking management system.
Background
The gas cylinder is pressure-bearing equipment, has explosion danger, and its carrier medium generally has the characteristics such as inflammable, explosive, poisonous, strong corrosion, and the like, and service environment is more complicated, abominable than other pressure vessel because of its removal, repeated filling, operating personnel are not fixed and service environment changes, however, current gas cylinder is when filling harmful gas, because can not increase the leakproofness between gas cylinder and the charging connector for harmful gas leaks easily from the gap of gas cylinder and charging connector junction, when leading to the staff to operate the machine and fill gas to the gas cylinder in, is inhaled in vivo by the staff easily, thereby causes the damage to the health organ, and need the staff to carry out count management statistics to the gas cylinder after filling gas manually, not only increased staff's labour, thereby reduced work efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a gas cylinder filling tracking management system which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the utility model provides a gas cylinder fills and trails management system, includes the bottom plate, fixed mounting has the support frame on the bottom plate, still includes: the supporting plate, the workbench and the management device are fixedly connected to the supporting frame; the sleeve is fixedly connected to the supporting plate, a piston disc is connected in a sliding manner in the sleeve, a clamping plate is arranged on the supporting plate, the clamping plate is fixedly connected with the piston disc through a supporting rod, and a first spring is connected between the piston disc and the sleeve; the bottle body is placed on the supporting plate, an air charging pipe is fixedly connected to the bottle body, a sealing cover is detachably connected to the air charging pipe, and a one-way valve is arranged on the air charging pipe; the piston assembly is connected to the bottom plate, the piston assembly is connected with the guide pipe III, the piston assembly is communicated with the inner cavity of the sleeve through the guide pipe IV, the bottom plate is provided with a driving assembly, the driving assembly is connected with a crankshaft, and the crankshaft is rotationally connected with the piston; the air bag is wound on the inner wall of the sealing cover and is communicated with the inner cavity of the sleeve through a first pressure relief pipe; the support plate is connected to the workbench in a sliding manner, a rack is fixedly connected to the lower side of the support plate, and a spring III is connected between the support plate and the workbench; the ratchet gear ring is rotationally connected to the workbench, the outer wall of the ratchet gear ring is fixedly connected with a circular gear, and the circular gear is meshed with the rack; the connecting disc is rotationally connected to the ratchet tooth ring, a connecting groove is formed in the connecting disc, ratchet teeth are rotationally connected to the connecting groove, and a connecting torsion spring is connected between the ratchet teeth and the connecting groove; the locking column is rotationally connected to the connecting disc, and the outer wall of the locking column is provided with a counting number;
the management device comprises a central processing unit (cpu),
the input end of the excitation module is connected with the lock cylinder through an electric signal, and the output end of the excitation module is connected with the central processing unit and used for detecting whether the lock cylinder rotates or not;
the input end of the coding module is connected with the central processing unit and is used for forming data information;
the input end of the storage module is connected with the coding module and used for storing data information, and the output end of the storage module is connected with the central processing unit;
the output end of the code scanning module is connected with the central processing unit and is used for identifying information on the gas cylinder;
the input end of the calling module is connected with the central processing unit and is used for calling the information in the storage module;
and the input end of the display module is connected with the central processing unit and is used for displaying information on the gas cylinder.
Preferably, the support frame is rotationally connected with two groups of first rotating shafts, two groups of first rotating shafts are fixedly connected with rolling shafts on the outer wall of the first rotating shafts, the two groups of rolling shafts are connected through a conveying belt, a motor is fixedly installed on the outer wall of the support frame, and one group of the two groups of first rotating shafts is fixedly connected with the output end of the motor.
In order to drive the piston assembly to move, the driving assembly further comprises a second rotating shaft, the second rotating shaft is rotationally connected to the bottom plate, a second bevel gear is fixedly sleeved on the second rotating shaft, a first bevel gear is fixedly sleeved on one of the first rotating shafts, the first bevel gear is in meshed connection with the second bevel gear, and the crankshaft is fixedly sleeved on the second rotating shaft.
In order to facilitate the air supply in the sleeve, preferably, the piston assembly comprises a piston cylinder and a piston plate which is in sliding connection in the piston cylinder, a connecting rod is rotationally connected to the piston plate, one end of the connecting rod, far away from the piston plate, is rotationally connected with a crankshaft, a conduit III is fixedly connected to the piston cylinder, one end of a conduit IV is connected with an inner cavity of the piston cylinder, the other end of the conduit IV is connected with an inner cavity of the sleeve, and check valves are connected to the conduit III and the conduit IV.
In order to facilitate the discharge of the air bag and the air in the sleeve, preferably, an exhaust pipe is fixedly connected to the pressure relief pipe I close to the sleeve, a pressure relief pipe II is fixedly connected to the pressure relief pipe I close to the sealing cover, and valve switches are connected to the exhaust pipe and the pressure relief pipe II.
In order to facilitate the installation of the sealing cover, preferably, an installation groove is formed in the sealing cover, a clamping groove is formed in the outer wall of the inflation tube, a sliding block is connected in the installation groove in a sliding mode, a fixing block is fixedly connected to the sliding block, the fixing block is clamped in the clamping groove, and a second spring is connected between the installation groove and the sliding block.
In order to facilitate pulling the fixed block to retract into the mounting groove, the sliding block is further fixedly connected with a pull rope, and one end, far away from the sliding block, of the pull rope is fixedly connected with a pull ring.
In order to facilitate filling gas into the bottle body, preferably, an air suction pump is fixedly arranged on the top of the support frame, the input end of the air suction pump is fixedly connected with a second conduit, and the output end of the air suction pump is communicated with the inner wall of the top of the sealing cover through the first conduit.
In order to filter the gas entering the piston cylinder from the outside, a filter box is fixedly connected to the bottom plate, an activated carbon filter screen is inserted into the filter box, an air inlet is formed in the filter box, and one end, far away from the piston cylinder, of the guide tube III is communicated with the inner cavity of the filter box.
In order to prevent the lock column from rotating, preferably, a guide rod is fixedly connected to the lower side of the supporting plate and is slidably connected to the workbench, a connecting seat is fixedly connected to the workbench, an anti-slip pad is arranged on the connecting seat, and the anti-slip pad is attached to the outer wall of the lock column.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
1. this gas cylinder fills and trails management system, piston subassembly motion, in the sleeve is carried into through three, four extraction outside gas of pipe, all be equipped with the check valve on three, the pipe is four, the gas that enters into the sleeve promotes piston disc and removes compression spring one to the grip block follows piston disc synchronous movement through the bracing piece, and then makes the grip block paste with the outer wall of bottle mutually, thereby can reach and carry out the centre gripping spacing to the bottle.
2. This gas cylinder fills and trails management system, fills gas into the gasbag through pressure release pipe in the sleeve to going into in the gasbag, is equipped with the check valve on the pressure release pipe one, and the gasbag inflation closely pastes with the seal groove that the gas tube outer wall was equipped with to improve sealed lid and gas tube junction's leakproofness, prevent to fill when filling gas in the bottle, leakage appears in gas.
3. This gas cylinder fills and trails management system, through the layer board down remove certain distance after, rack and circular gear meshing are connected drive ratchet ring anticlockwise rotation, because the ratchet ring gear is when anticlockwise rotation, tooth on the ratchet ring gear meshes with the ratchet tooth, consequently, the connection pad can drive the meter number on the lock post and follow ratchet ring gear synchronous rotation, and then stir the meter number on the lock post and rotate once to can reach and carry out count management statistics to the bottle that fills full of gas.
According to the invention, when the bottle body is filled with gas, the bottle body can be clamped and limited, the tightness between the sealing cover and the gas charging pipe can be improved while the bottle body is clamped and limited, the gas leakage during filling is effectively prevented, and after the bottle body is filled with gas, the counting management statistics of the bottle body filled with gas can be automatically achieved.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a schematic diagram of a gas cylinder filling tracking management system according to the present invention;
FIG. 2 is a schematic diagram of a gas cylinder filling tracking management system according to the present invention;
FIG. 3 is a schematic diagram of a portion of a cylinder filling tracking management system according to the present invention;
FIG. 4 is a schematic diagram of a portion of a cylinder filling tracking management system according to the present invention;
FIG. 5 is a schematic view of a ratchet ring of a cylinder filling tracking management system according to the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 1 of a cylinder filling tracking management system according to the present invention;
FIG. 7 is an enlarged view of portion B of FIG. 1 of a cylinder filling tracking management system according to the present invention;
FIG. 8 is an enlarged view of section C of FIG. 3 of a cylinder filling tracking management system according to the present invention;
FIG. 9 is an enlarged view of portion D of FIG. 4 of a cylinder filling tracking management system according to the present invention;
fig. 10 is a system diagram of a management device in a cylinder filling trace management system according to the present invention.
In the figure: 1. a bottom plate; 101. a support frame; 102. a support plate; 2. a sleeve; 201. a piston disc; 202. a support rod; 203. a clamping plate; 204. a first spring; 3. a bottle body; 301. an inflation tube; 302. sealing cover; 303. a first conduit; 304. a getter pump; 305. a second conduit; 4. a clamping groove; 401. a mounting groove; 402. a slide block; 403. a fixed block; 404. a second spring; 405. a pull rope; 406. a pull ring; 5. a first rotating shaft; 501. a roller; 502. a conveyor belt; 503. a motor; 6. bevel gears I; 601. bevel gears II; 602. a second rotating shaft; 603. a crankshaft; 7. a piston assembly; 701. a piston cylinder; 702. a piston plate; 703. a connecting rod; 704. a third conduit; 705. a fourth conduit; 8. a filter box; 801. an activated carbon filter screen; 802. an air inlet; 9. a first pressure relief pipe; 901. an exhaust pipe; 902. a valve switch; 903. an air bag; 904. a pressure relief pipe II; 10. a work table; 1001. a supporting plate; 1002. a guide rod; 1003. a third spring; 1004. a rack; 1005. a ratchet ring gear; 1006. a connecting disc; 1007. a ratchet tooth; 1008. connecting a torsion spring; 1009. a circular gear; 110. locking a column; 111. a connecting groove; 11. a connecting seat; 1101. an anti-slip mat.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
Example 1:
referring to fig. 1 to 10, a gas cylinder filling tracking management system includes a base plate 1, a support frame 101 is fixedly installed on the base plate 1, and further includes: the supporting plate 102 and the workbench 10 are fixedly connected to the supporting frame 101; the sleeve 2 is fixedly connected to the supporting plate 102, a piston disc 201 is connected in a sliding manner in the sleeve 2, a clamping plate 203 is arranged on the supporting plate 102, the clamping plate 203 is fixedly connected with the piston disc 201 through a supporting rod 202, and a first spring 204 is connected between the piston disc 201 and the sleeve 2; the bottle body 3 is placed on the supporting plate 102, an air charging pipe 301 is fixedly connected to the bottle body 3, a sealing cover 302 is detachably connected to the air charging pipe 301, and a one-way valve is arranged on the air charging pipe 301; the piston assembly 7 is connected to the bottom plate 1, the piston assembly 7 is connected with the guide pipe III 704, the piston assembly 7 is communicated with the inner cavity of the sleeve 2 through the guide pipe IV 705, the bottom plate 1 is provided with a driving assembly, the driving assembly is connected with the crankshaft 603, and the crankshaft 603 is rotationally connected with the piston; the air sac 903 is wound on the inner wall of the sealing cover 302, and the air sac 903 is communicated with the inner cavity of the sleeve 2 through a first pressure relief pipe 9; the support plate 1001 is connected to the workbench 10 in a sliding manner, a rack 1004 is fixedly connected to the lower side of the support plate 1001, and a spring III 1003 is connected between the support plate 1001 and the workbench 10; a ratchet gear ring 1005 rotatably connected to the workbench 10, wherein a circular gear 1009 is fixedly connected to the outer wall of the ratchet gear ring 1005, and the circular gear 1009 is in meshed connection with the rack 1004; the connecting disc 1006 is rotatably connected to the ratchet tooth ring 1005, a connecting groove 111 is formed in the connecting disc 1006, a ratchet tooth 1007 is rotationally connected in the connecting groove 111, and a connecting torsion spring 1008 is connected between the ratchet tooth 1007 and the connecting groove 111; the lock column 110 is rotatably connected to the connecting disc 1006, and the outer wall of the lock column 110 is provided with a part number.
The support frame 101 rotates and is connected with two sets of pivot one 5, and two sets of pivot one 5 outer wall fixedly connected with roller bearing 501 link to each other through conveyer belt 502 between two sets of roller bearing 501, and support frame 101 outer wall fixed mounting has motor 503, and one of them set of pivot one 5 links to each other with motor 503's output is fixed.
The driving assembly comprises a second rotating shaft 602, the second rotating shaft 602 is rotationally connected to the bottom plate 1, a second bevel gear 601 is fixedly sleeved on the second rotating shaft 602, a first bevel gear 6 is fixedly sleeved on one of the two groups of first rotating shafts 5, the first bevel gear 6 is in meshed connection with the second bevel gear 601, and a crankshaft 603 is fixedly sleeved on the second rotating shaft 602.
The piston assembly 7 comprises a piston cylinder 701 and a piston plate 702 which is slidably connected in the piston cylinder 701, a connecting rod 703 is rotatably connected to the piston plate 702, one end of the connecting rod 703, which is far away from the piston plate 702, is rotatably connected with a crankshaft 603, a conduit III 704 is fixedly connected to the piston cylinder 701, one end of a conduit IV 705 is connected with the inner cavity of the piston cylinder 701, the other end of the conduit IV is connected with the inner cavity of the sleeve 2, and check valves are connected to the conduit III 704 and the conduit IV 705.
An exhaust pipe 901 is fixedly connected to the pressure relief pipe I9 close to the sleeve 2, a pressure relief pipe II 904 is fixedly connected to the pressure relief pipe I9 close to the sealing cover 302, and valve switches 902 are connected to the exhaust pipe 901 and the pressure relief pipe II 904.
The sealing cover 302 is provided with a mounting groove 401, the outer wall of the inflation tube 301 is provided with a clamping groove 4, a sliding block 402 is slidably connected in the mounting groove 401, a fixing block 403 is fixedly connected to the sliding block 402, the fixing block 403 is clamped in the clamping groove 4, and a second spring 404 is connected between the mounting groove 401 and the sliding block 402.
The slider 402 is fixedly connected with a pull rope 405, and one end of the pull rope 405 away from the slider 402 is fixedly connected with a pull ring 406.
The top of the supporting frame 101 is fixedly provided with a suction pump 304, the input end of the suction pump 304 is fixedly connected with a second conduit 305, and the output end of the suction pump 304 is communicated with the inner wall of the top of the sealing cover 302 through the first conduit 303.
When the bottle body 3 is used, firstly, the bottle body 3 is placed on the supporting plate 102, then, the sealing cover 302 is covered on the air charging pipe 301, at the moment, the top end of the air charging pipe 301 is contacted with the fixed block 403, then, the fixed block 403 is pushed to drive the sliding block 402 to move into the mounting groove 401, the second spring 404 is compressed, when the fixed block 403 is retracted into the mounting groove 401, the top inner wall of the sealing cover 302 is attached to the top end of the air charging pipe 301, the fixed block 403 is overlapped with the clamping groove 4 in parallel, so that the compressed second spring 404 generates pushing force, the sliding block 402 is pushed to drive the fixed block 403 to move out of the mounting groove 401 and then is clamped in the clamping groove 4, thereby, the sealing cover 302 can be fixed and limited, then, the motor 503 is started, the first motor 503 drives the first rotating shaft 5 to drive the rolling shaft 501 to synchronously rotate, the rolling shaft 501 drives the conveying belt 502 to move, and at the moment, the other group of the first rotating shaft 5 rotates along with the movement of the conveying belt 502 through the rolling shaft 501;
meanwhile, the first rotating shaft 5 is connected with the second bevel gear 601 through the first bevel gear 6 to drive the second rotating shaft 602 to rotate, the second rotating shaft 602 drives the crankshaft 603 to rotate, the crankshaft 603 drives the piston plate 702 to reciprocate in the piston cylinder 701 through the connecting rod 703, and the two groups of piston assemblies 7 are arranged, so that the two groups of piston assemblies 7 alternately move, at the moment, the piston plate 702 reciprocates in the piston cylinder 701, an external body is extracted through the third guide pipe 704 and then conveyed into the sleeve 2 through the fourth guide pipe 705, one-way valves are arranged on the third guide pipe 704 and the fourth guide pipe 705, gas entering the sleeve 2 pushes the piston disc 201 to move the first compression spring 204, and the clamping plate 203 synchronously moves along with the piston disc 201 through the supporting rod 202, so that the clamping plate 203 is attached to the outer wall of the bottle 3, and the clamping limit of the bottle 3 can be achieved;
when the gas entering the sleeve 2 is larger than the safety value set by the pressure relief valve connected to the pressure relief pipe I9, the pressure relief valve is automatically opened to relieve pressure, at this time, part of the gas in the sleeve 2 is inflated into the air inlet bag 903 through the pressure relief pipe I9, the pressure relief pipe I9 is provided with a one-way valve, the air bag 903 is inflated and closely attached to a sealing groove arranged on the outer wall of the air inflation pipe 301, thereby improving the tightness of the joint of the sealing cover 302 and the air inflation pipe 301, preventing leakage of the gas when the gas is filled into the bottle 3, when the gas entering the air bag 903 is larger than the safety value set by the pressure relief valve connected to the pressure relief pipe II 904, the pressure relief valve is automatically opened to relieve pressure, at this time, part of the gas in the air bag 903 is discharged out of the air bag through the pressure relief pipe II 904, thereby keeping the air pressure inside the air bag 903 constant, then, the motor 503 is closed, the flange plate connected with the air inlet end of the conduit II 305 is matched with the mounting bolt to be connected with a tank body externally filled with gas into the bottle body 3, then, the suction pump 304 is started, the suction pump 304 pumps the gas in the tank body through the conduit II 305 to fill the gas into the bottle body 3 through the conduit I303 and the air charging pipe 301, the air charging pipe 301 is connected with a one-way valve, after the gas is filled into one bottle body 3, the suction pump 304 is closed, then, the valve switch 902 on the exhaust pipe 901 and the pressure relief pipe II 904 is opened, at the moment, the gas in the sleeve 2 is discharged out of the sleeve 2 through the pressure relief pipe I9 and the exhaust pipe 901, the compressed spring I204 generates thrust, the piston disc 201 is pushed to drive the clamping plate 203 to move through the support rod 202, the clamping plate 203 is far away from the outside of the bottle body 3, simultaneously, the gas in the air bag 903 is discharged out of the air bag 903 through the pressure relief pipe I9 and the pressure relief pipe II 904, then, a worker pulls the pull rope 405 through the pull ring 406, the pull rope 405 stretches to drive the sliding block 402 to move, compresses the second spring 404 and drives the fixed block 403 to move synchronously, so that the fixed block 403 moves out of the clamping groove 4 and returns into the mounting groove 401, at the moment, a worker moves the sealing cover 302 upwards, so that the sealing cover 302 is convenient to take off from the air charging pipe 301, after the sealing cover 302 is taken off, the worker moves the bottle body 3 filled with air onto the conveying belt 502, then another group of bottle bodies 3 is placed onto the supporting plate 102, the operation steps are repeated, and the bottle bodies 3 filled with air are further filled into the bottle bodies 3, at the moment, the conveying belt 502 pushes the bottle bodies 3 filled with air on the upper group to move forwards, when the bottle bodies 3 move to the forefront end of the conveying belt 502 slide on the workbench 10 when the conveying belt 502 rotates, then, after the bottle bodies 3 filled with air on the other group of bottle bodies 3 placed onto the supporting plate 102 are completed, the motor 503 is turned off, the operation steps are repeated, the sleeve 2 and the air bag 903 are discharged, the clamping plate 203 is reset to be far away from the outer wall of the other group of bottles 3, then the sealing cover 302 is removed from the air charging pipe 301, the other group of bottles 3 filled with air are placed on the conveyor belt 502, a new group of bottles 3 to be filled with air are placed on the supporting plate 102 for air charging operation, meanwhile, the other group of bottles 3 placed on the conveyor belt 502 are moved by the conveyor belt 502 to drive the bottles 3 filled with air to move forwards, when the bottles 3 move to the forefront end of the conveyor belt 502 and slide on the workbench 10 when the conveyor belt 502 rotates, at the moment, the bottles 3 just slide on the workbench 10 push the bottles 3 filled with air to move forwards and move to the supporting plate 1001, the weight of the bottles 3 filled with air is increased, and the bottles 3 drive the supporting plate 1001 to move downwards, and the third spring 1003 is compressed, meanwhile, the rack 1004 moves downwards synchronously along with the movement of the supporting plate 1001, after the supporting plate 1001 moves downwards for a certain distance, the rack 1004 is meshed with the round gear 1009 to drive the ratchet tooth ring 1005 to rotate anticlockwise, and as the ratchet tooth ring 1005 rotates anticlockwise, the teeth on the ratchet tooth ring 1005 are meshed with the ratchet tooth 1007, and therefore the connecting disc 1006 can drive the part number on the lock column 110 to synchronously rotate along with the ratchet tooth ring 1005, and further stir the part number on the lock column 110 to rotate, so that counting management statistics can be carried out on the bottle 3 filled with gas.
The management device comprises a central processing unit (cpu),
the input end of the excitation module is connected with the lock cylinder through an electric signal, and the output end of the excitation module is connected with the central processing unit and used for detecting whether the lock cylinder rotates or not;
the input end of the coding module is connected with the central processing unit and is used for forming data information;
the input end of the storage module is connected with the coding module and used for storing data information, and the output end of the storage module is connected with the central processing unit;
the output end of the code scanning module is connected with the central processing unit and is used for identifying information on the gas cylinder;
the input end of the calling module is connected with the central processing unit and is used for calling the information in the storage module;
and the input end of the display module is connected with the central processing unit and is used for displaying information on the gas cylinder.
After the gas is filled into the gas cylinder, the lock column 110 rotates once, then the gas cylinder 3 is marked once, the marks on different gas cylinders 3 can be different, when the gas cylinder 3 is marked, the lock column 110 rotates, so that the excitation module is excited, the excitation module sends a signal to the central processing unit, the central processing unit sends a signal to the coding module, the coding module forms a code, the filling information in the gas cylinder 3 is recorded in the code, and then the coding module conveys the code to the storage module for storage.
When the gas cylinder is delivered, a delivery person scans the mark on the gas cylinder body 3 through the code scanning module, the information is transmitted to the central processing unit after the scanning is finished, the central processing unit controls the calling module, the calling module calls codes from the storage module according to the information obtained through scanning, and then the codes are transmitted to the display module, so that the display module can display the filling information in the gas cylinder body 3, and the delivery person can conveniently judge the filling information of the gas cylinder. In order to make the information on the bottle body 3 have stronger identification, the counting number on the lock cylinder 110 can be a numerical number or a bar code number.
Example 2:
referring to fig. 1 and 2, a gas cylinder filling tracking management system is basically the same as that of embodiment 1, further, a filter box 8 is fixedly connected to the bottom plate 1, an activated carbon filter screen 801 is inserted into the filter box 8, an air inlet 802 is formed in the filter box 8, and one end of a conduit three 704 far away from the piston cylinder 701 is communicated with an inner cavity of the filter box 8.
When the piston plate 702 reciprocates in the piston cylinder 701, external air is extracted through the conduit III 704 and enters the filter box 8 through the air inlet 802, the air entering the filter box 8 is contacted with the activated carbon filter screen 801, and as the inside of activated carbon is provided with a developed void structure and rich micropore tissues, the micropore tissues have strong adsorption force fields, and particles in air can be adsorbed into micropores when the air contacts with the activated carbon, so that the effect of purifying the air is achieved, the purified air enters the piston cylinder 701 through the conduit III 704, the service lives of the piston cylinder 701 and the piston plate 702 are prolonged, and abrasion of the inner wall of the piston cylinder 701 caused by the particles in the reciprocating air of the piston plate 702 in the piston cylinder 701 is avoided;
it should be noted that, because the activated carbon filter screen 801 is inserted into the filter box 8, the activated carbon filter screen 801 in the filter box 8 is conveniently and periodically extracted to be cleaned.
Example 3:
referring to fig. 1, 4, 5 and 9, a gas cylinder filling tracking management system is basically the same as that of embodiment 1, further, a guide rod 1002 is fixedly connected to the lower side of a supporting plate 1001, the guide rod 1002 is slidably connected to a workbench 10, a connecting seat 11 is fixedly connected to the workbench 10, a non-slip pad 1101 is arranged on the connecting seat 11, and the non-slip pad 1101 is attached to the outer wall of a lock cylinder 110.
After counting management statistics is carried out on the bottle body 3 filled with gas once, staff takes down from the supporting plate 1001, at the moment, compressed springs three 1003 generate thrust, the supporting plate 1001 is pushed to drive a rack 1004 to move and reset stably and upwards under the guiding limit of a guide rod 1002 sliding on a workbench 10, at the moment, the rack 1004 is meshed with a round gear 1009 to drive a ratchet gear 1005 to rotate clockwise, teeth on the ratchet gear 1005 are not meshed with the ratchet teeth 1007 when the ratchet gear 1005 rotates clockwise, therefore, a connecting disc 1006 cannot drive a part number on a lock column 110 to synchronously rotate along with the ratchet gear 1005, meanwhile, friction force between a connecting seat 11 and the lock column 110 is increased, teeth on the ratchet gear 1005 are effectively prevented from driving the connecting disc 1006 to rotate when the teeth are contacted with the surface of the ratchet gear 1007, and counting management statistics can be carried out on the bottle body 3 accurately when the bottle body 3 filled with gas moves onto the supporting plate 1001.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. The utility model provides a gas cylinder fills and fills tracking management system, includes bottom plate (1), fixed mounting has support frame (101) on bottom plate (1), its characterized in that still includes:
the supporting plate (102) and the workbench (10) are fixedly connected to the supporting frame (101);
the sleeve (2) is fixedly connected to the supporting plate (102), a piston disc (201) is connected in a sliding manner in the sleeve (2), a clamping plate (203) is arranged on the supporting plate (102), the clamping plate (203) is fixedly connected with the piston disc (201) through a supporting rod (202), and a first spring (204) is connected between the piston disc (201) and the sleeve (2);
the bottle body (3) is placed on the supporting plate (102), an air charging pipe (301) is fixedly connected to the bottle body (3), a sealing cover (302) is detachably connected to the air charging pipe (301), and a one-way valve is arranged on the air charging pipe (301);
the piston assembly (7) is connected to the bottom plate (1), the piston assembly (7) is connected with the guide pipe III (704), the piston assembly (7) is communicated with the inner cavity of the sleeve (2) through the guide pipe IV (705), the bottom plate (1) is provided with a driving assembly, the driving assembly is connected with a crankshaft (603), and the crankshaft (603) is rotationally connected with the piston;
the air bag (903) is wound on the inner wall of the sealing cover (302), and the air bag (903) is communicated with the inner cavity of the sleeve (2) through a pressure relief pipe I (9);
the support plate (1001) is connected to the workbench (10) in a sliding manner, a rack (1004) is fixedly connected to the lower side of the support plate (1001), and a spring III (1003) is connected between the support plate (1001) and the workbench (10);
a ratchet gear ring (1005) is rotatably connected to the workbench (10), a circular gear (1009) is fixedly connected to the outer wall of the ratchet gear ring (1005), and the circular gear (1009) is in meshed connection with the rack (1004);
the connecting disc (1006) is rotationally connected to the ratchet tooth ring (1005), a connecting groove (111) is formed in the connecting disc (1006), a ratchet tooth (1007) is rotationally connected to the connecting groove (111), and a connecting torsion spring (1008) is connected between the ratchet tooth (1007) and the connecting groove (111);
the lock column (110) is rotationally connected to the connecting disc (1006), and a part counting number is arranged on the outer wall of the lock column (110);
the management device comprises a central processing unit (cpu),
the input end of the excitation module is connected with the lock cylinder through an electric signal, and the output end of the excitation module is connected with the central processing unit and used for detecting whether the lock cylinder rotates or not;
the input end of the coding module is connected with the central processing unit and is used for forming data information;
the input end of the storage module is connected with the coding module and used for storing data information, and the output end of the storage module is connected with the central processing unit;
the output end of the code scanning module is connected with the central processing unit and is used for identifying information on the gas cylinder;
the input end of the calling module is connected with the central processing unit and is used for calling the information in the storage module;
and the input end of the display module is connected with the central processing unit and is used for displaying information on the gas cylinder.
2. The gas cylinder filling tracking management system according to claim 1, wherein the support frame (101) is rotatably connected with two groups of first rotating shafts (5), the outer walls of the two groups of first rotating shafts (5) are fixedly connected with rolling shafts (501), the two groups of rolling shafts (501) are connected through a conveying belt (502), a motor (503) is fixedly arranged on the outer wall of the support frame (101), and one group of the two groups of first rotating shafts (5) is fixedly connected with the output end of the motor (503).
3. The gas cylinder filling tracking management system according to claim 2, wherein the driving assembly comprises a second rotating shaft (602), the second rotating shaft (602) is rotatably connected to the bottom plate (1), a second bevel gear (601) is fixedly sleeved on the second rotating shaft (602), a first bevel gear (6) is fixedly sleeved on one of two groups of first rotating shafts (5), the first bevel gear (6) is in meshed connection with the second bevel gear (601), and the crankshaft (603) is fixedly sleeved on the second rotating shaft (602).
4. The gas cylinder filling tracking management system according to claim 1, wherein the piston assembly (7) comprises a piston cylinder (701) and a piston plate (702) slidingly connected in the piston cylinder (701), a connecting rod (703) is rotatably connected to the piston plate (702), one end of the connecting rod (703) away from the piston plate (702) is rotatably connected with a crankshaft (603), a third conduit (704) is fixedly connected to the piston cylinder (701), one end of the fourth conduit (705) is connected with the inner cavity of the piston cylinder (701), the other end of the fourth conduit is connected with the inner cavity of the sleeve (2), and one-way valves are connected to the third conduit (704) and the fourth conduit (705).
5. The gas cylinder filling tracking management system according to claim 1, wherein an exhaust pipe (901) is fixedly connected to a pressure relief pipe one (9) close to the sleeve (2), a pressure relief pipe two (904) is fixedly connected to the pressure relief pipe one (9) close to the sealing cover (302), and valve switches (902) are connected to the exhaust pipe (901) and the pressure relief pipe two (904).
6. The gas cylinder filling tracking management system according to claim 1, wherein the sealing cover (302) is provided with a mounting groove (401), the outer wall of the gas tube (301) is provided with a clamping groove (4), a sliding block (402) is slidably connected in the mounting groove (401), a fixing block (403) is fixedly connected to the sliding block (402), the fixing block (403) is clamped in the clamping groove (4), and a second spring (404) is connected between the mounting groove (401) and the sliding block (402).
7. The gas cylinder filling tracking management system according to claim 6, wherein the sliding block (402) is fixedly connected with a pull rope (405), and a pull ring (406) is fixedly connected to one end of the pull rope (405) away from the sliding block (402).
8. The gas cylinder filling tracking management system according to claim 1, wherein a suction pump (304) is fixedly installed on the top of the supporting frame (101), an input end of the suction pump (304) is fixedly connected with a second conduit (305), and an output end of the suction pump (304) is communicated with the inner wall of the top of the sealing cover (302) through the first conduit (303).
9. The gas cylinder filling tracking management system according to claim 4, wherein a filter box (8) is fixedly connected to the bottom plate (1), an activated carbon filter screen (801) is inserted into the filter box (8), an air inlet (802) is formed in the filter box (8), and one end, far away from the piston cylinder (701), of the conduit III (704) is communicated with an inner cavity of the filter box (8).
10. The gas cylinder filling tracking management system according to claim 1, wherein a guide rod (1002) is fixedly connected to the lower side of the supporting plate (1001), the guide rod (1002) is slidably connected to the workbench (10), a connecting seat (11) is fixedly connected to the workbench (10), an anti-slip pad (1101) is arranged on the connecting seat (11), and the anti-slip pad (1101) is attached to the outer wall of the lock column (110).
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| CN202211140655.XA CN115419823B (en) | 2022-09-20 | 2022-09-20 | Gas cylinder filling tracking management system |
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| CN202211140655.XA CN115419823B (en) | 2022-09-20 | 2022-09-20 | Gas cylinder filling tracking management system |
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| CN115419823B true CN115419823B (en) | 2023-07-21 |
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| EP0936450A1 (en) * | 1998-01-20 | 1999-08-18 | Maschinenfabrik Sulzer-Burckhardt AG | Device for determining the mass throughput of a gas |
| RU2008108192A (en) * | 2008-03-05 | 2009-09-10 | Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" (RU) | THERMOCOMPRESSION DEVICE |
| CN104033728A (en) * | 2014-06-17 | 2014-09-10 | 上海洁申实业有限公司 | Waste steel cylinder processing method |
| CN107237977A (en) * | 2017-07-27 | 2017-10-10 | 济宁协力特种气体有限公司 | Gas cylinder automatic charging device and its methods for filling |
| CN210035055U (en) * | 2019-02-25 | 2020-02-07 | 济南德洋特种气体有限公司 | Novel standard gas filling device |
| CN111810837A (en) * | 2020-07-15 | 2020-10-23 | 国网河北省电力有限公司邯郸供电分公司 | Remote-control inflation station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2527122C (en) * | 2005-12-20 | 2007-05-01 | Westport Research Inc. | Apparatus and method for pumping a fluid from a storage vessel and detecting when the storage vessel is empty |
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2022
- 2022-09-20 CN CN202211140655.XA patent/CN115419823B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936450A1 (en) * | 1998-01-20 | 1999-08-18 | Maschinenfabrik Sulzer-Burckhardt AG | Device for determining the mass throughput of a gas |
| RU2008108192A (en) * | 2008-03-05 | 2009-09-10 | Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" (RU) | THERMOCOMPRESSION DEVICE |
| CN104033728A (en) * | 2014-06-17 | 2014-09-10 | 上海洁申实业有限公司 | Waste steel cylinder processing method |
| CN107237977A (en) * | 2017-07-27 | 2017-10-10 | 济宁协力特种气体有限公司 | Gas cylinder automatic charging device and its methods for filling |
| CN210035055U (en) * | 2019-02-25 | 2020-02-07 | 济南德洋特种气体有限公司 | Novel standard gas filling device |
| CN111810837A (en) * | 2020-07-15 | 2020-10-23 | 国网河北省电力有限公司邯郸供电分公司 | Remote-control inflation station |
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|---|---|
| CN115419823A (en) | 2022-12-02 |
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