CN111810838A - Adjustable liquid nitrogen extraction and transfer device and working method thereof - Google Patents

Adjustable liquid nitrogen extraction and transfer device and working method thereof Download PDF

Info

Publication number
CN111810838A
CN111810838A CN202010601763.7A CN202010601763A CN111810838A CN 111810838 A CN111810838 A CN 111810838A CN 202010601763 A CN202010601763 A CN 202010601763A CN 111810838 A CN111810838 A CN 111810838A
Authority
CN
China
Prior art keywords
liquid nitrogen
plate
pipe
extraction
transfer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010601763.7A
Other languages
Chinese (zh)
Other versions
CN111810838B (en
Inventor
吴满意
胡卫华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yijishan Hospital of Wannan Medical College
Original Assignee
Yijishan Hospital of Wannan Medical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yijishan Hospital of Wannan Medical College filed Critical Yijishan Hospital of Wannan Medical College
Priority to CN202010601763.7A priority Critical patent/CN111810838B/en
Publication of CN111810838A publication Critical patent/CN111810838A/en
Application granted granted Critical
Publication of CN111810838B publication Critical patent/CN111810838B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C7/00Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02Discharging liquefied gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/08Mounting arrangements for vessels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01Mounting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2227/00Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04Methods for emptying or filling
    • F17C2227/041Methods for emptying or filling vessel by vessel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03Control means

Abstract

The invention discloses an adjustable liquid nitrogen extraction and transfer device which comprises a placing base, wherein a lifting adjusting mechanism is installed in the placing base, a liquid nitrogen tank is placed at the upper end of the placing base, four supporting vertical rods which are distributed in a rectangular shape are fixed at the upper end of the placing base, an automatic extraction structure is connected to the upper ends of the supporting vertical rods, and a liquid outlet structure is connected to the front side of the automatic extraction structure. According to the liquid nitrogen quantitative extraction and transfer device, the quantitative extraction and transfer work of liquid nitrogen in the liquid nitrogen tank can be finished through the common cooperation of the placement base, the lifting adjusting mechanism, the automatic extraction structure and the liquid outlet structure, in the extraction process, the lifting adjusting mechanism can rapidly control the combination and the separation of the liquid nitrogen tank and the automatic extraction structure, the adjustment is convenient, manual operation is not needed, safety and labor are saved, and the liquid nitrogen can be accurately transferred into the receiving vacuum bottle without splashing through the common cooperation of the telescopic transfer pipe and the movable positioning piece in the liquid outlet structure.

Description

Adjustable liquid nitrogen extraction and transfer device and working method thereof
Technical Field
The invention belongs to the field of liquid nitrogen, and particularly relates to an adjustable liquid nitrogen extraction and transfer device and a working method thereof.
Background
Liquid nitrogen, liquid nitrogen gas, inert, colorless, odorless, noncorrosive, incombustible, the temperature is extremely low, by wide application in fields such as industrial production, chemistry experiment, medical treatment, the liquid nitrogen container volume that uses at present is generally great, when needing to shift out a small amount of liquid nitrogen from it and use, because the liquid nitrogen container is bulky, the operation is very inconvenient when getting a small amount of liquid nitrogen, empty when taking out then the liquid nitrogen spills over easily and lead to personnel's frostbite, and the volume of taking out of unable accurate control liquid nitrogen.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an adjustable liquid nitrogen extraction and transfer device and a working method thereof.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an adjustable liquid nitrogen extraction and transfer device comprises a placing base, wherein a lifting adjusting mechanism is installed in the placing base, a liquid nitrogen tank is placed at the upper end of the placing base, four supporting vertical rods which are distributed in a rectangular shape are fixed at the upper end of the placing base, the upper end of each supporting vertical rod is connected with an automatic extraction structure, and the front side of the automatic extraction structure is connected with a liquid outlet structure;
the placing base comprises a bottom plate, the lower end of a supporting vertical rod is fixedly connected with the edge of the upper end of the bottom plate, a movable roller is mounted at the lower end of the bottom plate, a lifting placing plate is mounted at the center above the bottom plate, four rectangular threaded vertical rods are vertically connected with the four side edges of the lifting placing plate in a penetrating manner, the threaded vertical rods are in threaded connection with the lifting placing plate, the lower end of each threaded vertical rod is rotatably connected with the bottom plate, a positioning transverse block is vertically arranged at one position of the supporting vertical rod, and the upper end of each threaded vertical;
the lifting adjusting mechanism comprises a central gear, the lower end of the central gear is rotatably connected with a bottom plate, four edge gears which are distributed in a rectangular shape are meshed and connected with the periphery of the central gear, the lower end of the outer wall of a threaded upright rod is fixedly connected with the edge gears, a rotating vertical shaft is connected to the center of the upper end of the central gear, a first turbine is connected to the rotating vertical shaft, a first worm is meshed and connected to one side of the first turbine, an inverted U-shaped fixing plate is fixed to the upper end of the bottom plate, the upper end of the rotating vertical shaft is rotatably connected with the upper end of the inverted U-shaped fixing plate, one end of the first worm is rotatably connected with one side wall of the inverted U-;
the automatic extraction structure comprises a sealing circular plate, connecting cross rods are uniformly distributed on the periphery of the sealing circular plate along the circumferential direction, the connecting cross rods are fixedly connected with the sealing circular plate through bolts, the lower end of one side, away from the sealing circular plate, of each connecting cross rod is fixedly connected with the upper end of a supporting vertical rod, a miniature metering pump is mounted at the upper end of the sealing circular plate, an elastic sealing gasket is fixed at the lower end of the sealing circular plate, a connecting short pipe is vertically arranged at the center of the sealing circular plate in a penetrating mode, the upper end of the connecting short pipe is fixedly connected with;
the liquid outlet structure comprises an operation frame, a receiving vacuum bottle is placed on the operation frame, a movable positioning part is installed on the front side of the operation frame, the upper end of the movable positioning part is connected with a telescopic transfer pipe, the upper end of the telescopic transfer pipe is connected with an L-shaped guide pipe, one end, far away from the telescopic transfer pipe, of the L-shaped guide pipe is fixedly connected with a micro metering pump, the operation frame comprises an operation vertical plate, a mounting transverse plate is arranged at the lower end of the rear side of the operation vertical plate, the rear end of the mounting transverse plate is fixedly connected with the front end of a bottom plate, an operation transverse;
the left side and the right side of the upper end of the operation vertical plate are symmetrically provided with vertically distributed mounting grooves, vertically distributed rotating threaded rods are mounted in the mounting grooves, the lower end of the outer wall of each rotating threaded rod is connected with a second turbine, the rear side of each second turbine is connected with a second worm in a meshed mode, and one end of each second worm is connected with an adjusting handle;
the activity setting element includes the positioning circular plate, and the vertical drain pipe that runs through of positioning circular plate center department is equipped with, and the drain pipe upper end can be dismantled with flexible transfer pipe and be connected, and positioning circular plate left and right sides symmetry is equipped with the connection horizontal bar, and one side rear end that the positioning circular plate was kept away from to the connection horizontal bar is equipped with the connecting block, connecting block and mounting groove sliding fit, the vertical screw hole that runs through open on the mounting groove have with rotation threaded rod threaded connection.
Further, the positioning circular plate upper end uses the drain pipe to be equipped with the connection riser as central symmetry, it is connected with the bull stick to connect the rotation of riser upper end, the bull stick upper end is equipped with the swing joint strip perpendicularly, the swing joint strip is the T type setting with the bull stick, flexible transfer pipe lower extreme is equipped with connecting portion, the connecting portion lower extreme is equipped with sliding connection pipe, sliding connection pipe and drain pipe sliding connection, sliding connection pipe external diameter equals the drain pipe internal diameter, the connecting portion outer wall is fixed with the connection ring, it is equipped with the engaging lug to connect ring outer wall bilateral symmetry, the vertical through-cut on the engaging lug has with swing joint strip sliding fit's trough.
Further, the upper end of the lifting placing plate is provided with a placing groove matched with the liquid nitrogen tank,
further, the height of the threaded upright rod is smaller than that of the supporting upright rod.
Further, the telescopic transfer pipe is a corrugated telescopic hose.
Furthermore, the L-shaped guide pipe is fixedly connected with the upper end of the front side of the operation frame through a connecting and fixing piece.
Furthermore, a positioning transverse bar is fixed at the upper end of the operation vertical plate, and the upper end and the lower end of the rotary threaded rod are respectively connected with the positioning transverse bar and the operation vertical plate in a rotating mode.
A working method of an adjustable liquid nitrogen extraction and transfer device is characterized by comprising the following steps:
s1, placing the liquid nitrogen tank on the upper end of the lifting placing plate, and opening a sealing cover on the liquid nitrogen tank;
s2, starting a motor, driving a first turbine to rotate through a first worm, driving a central gear to rotate through a rotating vertical shaft by the first turbine, driving a side gear to rotate through the central gear, driving a threaded vertical rod to rotate through the side gear, driving a lifting placing plate to move upwards through the threaded vertical rod, driving a liquid nitrogen tank to ascend through the lifting placing plate, and extending a liquid extraction long pipe into the liquid nitrogen pouring tank from the pipe orifice of the liquid nitrogen tank until the pipe orifice of the liquid nitrogen tank is in close contact with the lower end of an elastic sealing gasket;
s3, placing the receiving thermos bottle on the upper end of the operation transverse plate, rotating the adjusting handle, driving a second turbine to rotate by the adjusting handle through a second worm, driving a rotating threaded rod to rotate by the second turbine, driving the positioning circular plate to move downwards by the rotating threaded rod until the positioning circular plate seals the mouth of the receiving thermos bottle, and simultaneously extending the liquid outlet pipe into the receiving thermos bottle;
s4, starting the micro metering pump, quantitatively extracting liquid nitrogen in the liquid nitrogen tank, wherein the liquid nitrogen enters the receiving vacuum flask through the long liquid extraction pipe, the short connecting pipe, the micro metering pump, the L-shaped guide pipe, the telescopic transfer pipe and the liquid outlet pipe;
s5, after the liquid nitrogen is quantitatively pumped, closing the micro metering pump, reversely rotating the adjusting handle to pump the liquid outlet pipe away from the receiving thermos bottle, and taking away the receiving thermos bottle filled with the liquid nitrogen;
s6, when the receiving thermos flask is not needed, the movable connecting strip is rotated to be superposed with the through groove, and the lower end of the telescopic transfer pipe is pulled out from the movable positioning piece to directly spray the liquid nitrogen to a needed working position;
and S7, after the liquid nitrogen extraction is finished, starting the motor again to enable the first worm to rotate reversely, so that the liquid nitrogen tank descends until the liquid nitrogen extraction long pipe is extracted out of the liquid nitrogen tank, and covering a sealing cover of the liquid nitrogen tank to finish the whole liquid nitrogen extraction and transfer work.
The invention has the beneficial effects that:
according to the liquid nitrogen quantitative extraction and transfer device, quantitative extraction and transfer work of liquid nitrogen in the liquid nitrogen tank can be completed through the common cooperation of the placement base, the lifting adjusting mechanism, the automatic extraction structure and the liquid outlet structure, in the extraction process, the lifting adjusting mechanism can rapidly control the combination and the separation of the liquid nitrogen tank and the automatic extraction structure, the adjustment is convenient, manual operation is not needed, safety and labor are saved, the liquid nitrogen can be accurately transferred into the receiving thermos bottle without splashing through the common cooperation of the telescopic transfer pipe and the movable positioning piece in the liquid outlet structure, meanwhile, the telescopic transfer pipe is detachably connected with the movable positioning piece, and the liquid nitrogen can be directly sprayed to a required work position through the telescopic transfer pipe.
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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a right side view of a partial structure of the present invention;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is an exploded view of a portion of the structure of the present invention;
FIG. 6 is a front view of a portion of the structure of the present invention;
FIG. 7 is a partial schematic view of the present invention;
FIG. 8 is a schematic view of a portion of the present invention;
FIG. 9 is a top view of a partial structure of the present invention;
FIG. 10 is an exploded view of a portion of the structure of the present invention;
fig. 11 is a partial structural schematic of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in figure 1, an adjustable liquid nitrogen extraction transfer device, including placing base 1, place and install lifting adjusting mechanism 3 in the base 1, place base 1 upper end and place liquid nitrogen container 2, place base 1 upper end and be fixed with four support pole settings 4 that are the rectangle and distribute, support pole setting 4 upper end and be connected with automatic extraction structure 5, automatic extraction structure 5 front side is connected with out liquid structure 6.
As shown in fig. 2, the placing base 1 includes a bottom plate 11, the bottom plate 11 is of a square structure, the lower ends of supporting vertical rods 4 are fixedly connected with the upper end edge of the bottom plate 11, moving rollers 12 are installed at the lower end of the bottom plate 11, a lifting placing plate 13 is installed at the center above the bottom plate 11, the lifting placing plate 13 is of a square structure, the lifting placing plate 13 is located on the inner sides of the four supporting vertical rods 4, the upper end of the lifting placing plate 13 is used for placing a liquid nitrogen tank 2, a placing groove 131 matched with the liquid nitrogen tank 2 is formed in the upper end of the lifting placing plate 13, four threaded vertical rods 14 which are distributed in a rectangular shape are vertically and penetratingly connected with the four side edges of the lifting placing plate 13, the threaded vertical rods 14 are smaller than the height of the supporting vertical rods 4, the threaded vertical rods 14 are in threaded connection with the lifting placing plate 13, the lower ends of the.
As shown in fig. 3 and 4, the lifting adjusting mechanism 3 includes a central gear 31, a lower end of the central gear 31 is rotatably connected to the bottom plate 11, four side gears 32 which are distributed in a rectangular shape are engaged and connected to an outer periphery of the central gear 31, a lower end of an outer wall of the threaded upright rod 14 is fixedly connected to the side gears 32, a rotating vertical shaft 33 is connected to a center of an upper end of the central gear 31, a first worm wheel 34 is connected to the rotating vertical shaft 33, a first worm 35 is engaged and connected to one side of the first worm wheel 34, an inverted U-shaped fixing plate 37 is fixed to an upper end of the bottom plate 11, the inverted U-shaped fixing plate 37 is located between the bottom plate 11 and the lifting placing plate 13, an upper end of the rotating vertical shaft 33 is rotatably connected to an upper end of the inverted U-shaped fixing plate 37, one end of the first worm 35 is rotatably connected to one.
As shown in fig. 5 and 6, the automatic extraction structure 5 includes a sealing circular plate 51, connecting cross rods 52 are uniformly distributed on the periphery of the sealing circular plate 51 along the circumferential direction, the connecting cross rods 52 are fixedly connected with the sealing circular plate 51 through bolts 521, the lower end of one side of the connecting cross rods 52 far away from the sealing circular plate 51 is fixedly connected with the upper end of the supporting upright rod 4, a micro metering pump 53 is installed at the upper end of the sealing circular plate 51, an elastic sealing gasket 54 is fixed at the lower end of the sealing circular plate 51, the elastic sealing gasket 54 is of a circular structure, the diameter of the elastic sealing gasket 54 is smaller than that of the sealing circular plate 51, the diameter of the elastic sealing gasket 54 is larger than that of the liquid nitrogen tank 2, a short connecting pipe 55 is vertically arranged at the center of the sealing circular plate 51 in a penetrating manner, the upper end of the short.
As shown in fig. 7, the liquid outlet structure 6 includes an operation frame 61, a receiving thermos bottle 62 is placed on the operation frame 61, a movable positioning member 63 is installed on the front side of the operation frame 61, a telescopic transfer pipe 64 is connected to the upper end of the movable positioning member 63, the telescopic transfer pipe 64 is a corrugated telescopic hose, an L-shaped conduit 65 is connected to the upper end of the telescopic transfer pipe 64, one end of the L-shaped conduit 65, which is far away from the telescopic transfer pipe 64, is fixedly connected to the micro metering pump 53, the L-shaped conduit 65 is fixedly connected to the upper end of the front side of the operation frame 61 through a connecting fixing member 651, the operation frame 61 includes an operation vertical plate 611, a mounting horizontal plate 612 is arranged at the lower end of the rear side of the operation vertical plate 611, the motor 36 is fixedly mounted at the upper end of the mounting horizontal plate 612, a connecting horizontal plate 6121 is arranged at the rear end of the mounting horizontal plate 612, a.
As shown in fig. 8 and 9, vertically distributed mounting grooves 6111 are symmetrically formed in the left side and the right side of the upper end of the operating vertical plate 611, the mounting grooves 6111 are located above the operating horizontal plate 613, vertically distributed rotating threaded rods 6112 are mounted in the mounting grooves 6111, the lower end of the outer wall of the rotating threaded rod 6112 is connected with a second worm gear 6113, a positioning cross bar 6114 is fixed at the upper end of the operating vertical plate 611, the upper end and the lower end of the rotating threaded rod 6112 are rotatably connected with the positioning cross bar 6114 and the operating vertical plate 611 respectively, the rear side of the second worm gear 6113 is connected with a second worm gear 6115 in a meshed manner, the rear end of the operating vertical plate 611 is connected with a fixing plate 6117, both ends of the second worm gear 6115 are rotatably connected with the fixing.
As shown in fig. 10, the movable positioning element 63 includes a positioning circular plate 631, the diameter of the positioning circular plate 631 is greater than the aperture of the receiving thermos bottle 62, a liquid outlet pipe 634 vertically penetrates through the center of the positioning circular plate 631, the lower end of the liquid outlet pipe 634 slightly extends to the lower side of the positioning circular plate 631, a first connecting edge 6341 is arranged at the upper end of the liquid outlet pipe 634, a connecting vertical pipe 635 is symmetrically arranged at the upper end of the positioning circular plate 631 with the liquid outlet pipe 634 as the center, the upper end of the connecting vertical pipe 635 is rotatably connected with a rotating rod 636, a movable connecting strip 6361 is vertically arranged at the upper end of the rotating rod 636, a connecting cross strip 632 is symmetrically arranged at the left and right sides of the positioning circular plate 631, a connecting block 633 is arranged at the rear end of one side of the connecting cross strip 632 far away from the positioning circular plate 631, the connecting block 633 is in sliding fit with a mounting.
As shown in fig. 11, a connecting portion 641 is disposed at the lower end of the telescopic transfer tube 64, a sliding connecting tube 643 is disposed at the lower end of the connecting portion 641, the sliding connecting tube 643 is slidably connected to the liquid outlet tube 634, the outer diameter of the sliding connecting tube 643 is equal to the inner diameter of the liquid outlet tube 634, a second connecting edge 642 is disposed at the upper end of the sliding connecting tube 643, the lower end of the second connecting edge 642 is slidably engaged with the upper end of the first connecting edge 6341, a connecting ring 644 is fixed on the outer wall of the connecting portion 641, connecting lugs 6441 are symmetrically disposed at two sides of the outer wall of the connecting ring 644, and a through slot 6442 slidably engaged with the movable.
A working method of an adjustable liquid nitrogen extraction and transfer device is characterized by comprising the following steps:
s1, placing the liquid nitrogen container 2 on the upper end of the lifting placing plate 13, and opening the sealing cover on the liquid nitrogen container 2;
s2, starting the motor 36, wherein the motor 36 drives the first worm wheel 34 to rotate through the first worm 35, the first worm wheel 34 drives the central gear 31 to rotate through the rotating vertical shaft 33, the central gear 31 drives the side gear 32 to rotate, the side gear 32 drives the threaded upright rod 14 to rotate, the threaded upright rod 14 drives the lifting placing plate 13 to move upwards, the lifting placing plate 13 drives the liquid nitrogen tank 2 to ascend, and the long liquid pumping pipe 56 extends into the liquid nitrogen tank 2 from the pipe orifice of the liquid nitrogen tank 2 until the pipe orifice of the liquid nitrogen tank 2 is in tight contact with the lower end of the elastic sealing gasket 54;
s3, placing the receiving vacuum flask 62 on the upper end of the operation transverse plate 613, rotating the adjusting handle 6116, wherein the adjusting handle 6116 drives the second worm gear 6113 to rotate through the second worm gear 6115, the second worm gear 6113 drives the rotating threaded rod 6112 to rotate, the rotating threaded rod 6112 drives the positioning circular plate 631 to move downwards until the positioning circular plate 631 seals the nozzle of the receiving vacuum flask 62, and meanwhile, the liquid outlet pipe 634 extends into the upside-down receiving vacuum flask 62, and the positioning circular plate 631 can prevent liquid nitrogen from splashing out of the receiving vacuum flask 62;
s4, starting the micro metering pump 53, quantitatively extracting liquid nitrogen in the liquid nitrogen tank 2, wherein the liquid nitrogen enters the receiving vacuum flask 62 through the long liquid extraction pipe 56, the short connecting pipe 55, the micro metering pump 53, the L-shaped guide pipe 65, the telescopic transfer pipe 64 and the liquid outlet pipe 634;
s5, after the liquid nitrogen is quantitatively pumped, the micro metering pump 53 is closed, the adjusting handle 6116 is rotated reversely, so that the liquid outlet pipe 634 is pumped out of the receiving vacuum flask 62, and the receiving vacuum flask 62 filled with the liquid nitrogen is taken away;
s6, when the receiving thermos bottle 62 is not needed, the movable connecting strip 6361 is rotated to coincide with the through groove 6442, the lower end of the telescopic transfer pipe 64 is pulled out from the movable positioning piece 63, and the liquid nitrogen can be directly sprayed to the needed working position;
and S7, after the liquid nitrogen extraction is finished, the motor 36 is started again to enable the first worm 35 to rotate reversely, so that the liquid nitrogen tank 2 is promoted to descend until the liquid nitrogen long pipe 56 extracts the liquid nitrogen tank 2, and the sealing cover of the liquid nitrogen tank 2 is covered, so that the whole liquid nitrogen extraction and transfer work is completed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (8)

1. The utility model provides an adjustable liquid nitrogen extraction transfer device which characterized in that: the automatic liquid-level measuring device comprises a placing base (1), wherein a lifting adjusting mechanism (3) is installed in the placing base (1), a liquid nitrogen tank (2) is placed at the upper end of the placing base (1), four supporting vertical rods (4) which are distributed in a rectangular shape are fixed at the upper end of the placing base (1), an automatic extracting structure (5) is connected to the upper ends of the supporting vertical rods (4), and a liquid outlet structure (6) is connected to the front side of the automatic extracting structure (5);
the placing base (1) comprises a bottom plate (11), the lower end of a supporting vertical rod (4) is fixedly connected with the edge of the upper end of the bottom plate (11), a moving roller (12) is installed at the lower end of the bottom plate (11), a lifting placing plate (13) is installed at the center above the bottom plate (11), four side edges of the lifting placing plate (13) are vertically and penetratingly connected with four threaded vertical rods (14) which are distributed in a rectangular shape, the threaded vertical rods (14) are in threaded connection with the lifting placing plate (13), the lower end of each threaded vertical rod (14) is rotatably connected with the bottom plate (11), a positioning transverse block (41) is vertically arranged at one position of the supporting vertical rod (4), and the upper end of each threaded vertical rod (14) is;
the lifting adjusting mechanism (3) comprises a central gear (31), the lower end of the central gear (31) is rotatably connected with the bottom plate (11), four side gears (32) which are distributed in a rectangular shape are meshed and connected with the periphery of the central gear (31), the lower end of the outer wall of the threaded upright rod (14) is fixedly connected with the side gears (32), a rotating vertical shaft (33) is connected with the center of the upper end of the central gear (31), a first turbine (34) is connected onto the rotating vertical shaft (33), one side of the first turbine (34) is meshed and connected with a first worm (35), an inverted U-shaped fixing plate (37) is fixed at the upper end of the bottom plate (11), the upper end of the rotating vertical shaft (33) is rotatably connected with the upper end of the inverted U-shaped fixing plate (37), one end of the first worm (35) is rotatably connected with one side wall of the inverted U-shaped fixing plate (37), and the other end of the first;
the automatic extraction structure (5) comprises a sealing circular plate (51), connecting cross rods (52) are uniformly distributed on the periphery of the sealing circular plate (51) along the circumferential direction, the connecting cross rods (52) are fixedly connected with the sealing circular plate (51) through bolts (521), the lower end of one side, away from the sealing circular plate (51), of each connecting cross rod (52) is fixedly connected with the upper end of a supporting upright rod (4), a miniature metering pump (53) is installed at the upper end of the sealing circular plate (51), an elastic sealing gasket (54) is fixed at the lower end of the sealing circular plate (51), a connecting short pipe (55) vertically penetrates through the center of the sealing circular plate (51), the upper end of the connecting short pipe (55) is fixedly connected with the miniature metering pump (53), and the lower end of the connecting short pipe (55;
the liquid outlet structure (6) comprises an operating frame (61), a receiving vacuum flask (62) is placed on the operating frame (61), a movable positioning part (63) is installed on the front side of the operating frame (61), a telescopic transfer pipe (64) is connected to the upper end of the movable positioning part (63), an L-shaped guide pipe (65) is connected to the upper end of the telescopic transfer pipe (64), one end, far away from the telescopic transfer pipe (64), of the L-shaped guide pipe (65) is fixedly connected with the micro metering pump (53), the operating frame (61) comprises an operating vertical plate (611), a mounting transverse plate (612) is arranged at the lower end of the rear side of the operating vertical plate (611), the rear end of the mounting transverse plate (612) is fixedly connected with the front end of the bottom plate (11), an operating transverse plate (613) is vertically arranged on the front side of the;
the left side and the right side of the upper end of the operation vertical plate (611) are symmetrically provided with vertically distributed mounting grooves (6111), vertically distributed rotating threaded rods (6112) are mounted in the mounting grooves (6111), the lower end of the outer wall of each rotating threaded rod (6112) is connected with a second worm wheel (6113), the rear side of each second worm wheel (6113) is connected with a second worm (6115) in a meshed mode, and one end of each second worm wheel (6115) is connected with an adjusting handle (6116);
activity setting element (63) is including location plectane (631), location plectane (631) center department is vertical to run through and is equipped with drain pipe (634), drain pipe (634) upper end can be dismantled with flexible transfer pipe (64) and be connected, location plectane (631) left and right sides symmetry is equipped with connection horizontal bar (632), one side rear end of keeping away from location plectane (631) is connected horizontal bar (632) is equipped with connecting block (633), connecting block (633) and mounting groove (6111) sliding fit, vertical run through on mounting groove (6111) open have with rotation threaded rod (6112) threaded connection's screw hole (6331).
2. The adjustable liquid nitrogen extraction and transfer device of claim 1, wherein: the positioning circular plate (631) upper end uses drain pipe (634) to be equipped with connection riser (635) as central symmetry, connection riser (635) upper end is rotated and is connected with bull stick (636), bull stick (636) upper end is equipped with swing joint strip (6361) perpendicularly, swing joint strip (6361) is the T type setting with bull stick (636), flexible transfer pipe (64) lower extreme is equipped with connecting portion (641), connecting portion (641) lower extreme is equipped with sliding connection pipe (643), sliding connection pipe (643) and drain pipe (634) sliding connection, sliding connection pipe (643) external diameter equals drain pipe (634) internal diameter, connecting portion (641) outer wall is fixed with connection ring (644), connecting ring (644) outer wall bilateral symmetry is equipped with engaging lug (6441), vertical run through on engaging lug (6441) have with swing joint strip (6361) sliding fit's poling (6442).
3. The adjustable liquid nitrogen extraction and transfer device of claim 1, wherein: the upper end of the lifting placing plate (13) is provided with a placing groove (131) matched with the liquid nitrogen tank (2).
4. The adjustable liquid nitrogen extraction and transfer device of claim 1, wherein: the height of the threaded vertical rod (14) is less than that of the supporting vertical rod (4).
5. The adjustable liquid nitrogen extraction and transfer device of claim 1, wherein: the telescopic transfer pipe (64) is a corrugated telescopic hose.
6. The adjustable liquid nitrogen extraction and transfer device of claim 1, wherein: the L-shaped conduit (65) is fixedly connected with the upper end of the front side of the operating frame (61) through a connecting fixing piece (651).
7. The adjustable liquid nitrogen extraction and transfer device of claim 1, wherein: a positioning transverse bar (6114) is fixed at the upper end of the operation vertical plate (611), and the upper end and the lower end of the rotary threaded rod (6112) are respectively and rotatably connected with the positioning transverse bar (6114) and the operation vertical plate (611).
8. A working method of an adjustable liquid nitrogen extraction and transfer device is characterized by comprising the following steps:
s1, placing the liquid nitrogen tank on the upper end of the lifting placing plate, and opening a sealing cover on the liquid nitrogen tank;
s2, starting a motor, driving a first turbine to rotate through a first worm, driving a central gear to rotate through a rotating vertical shaft by the first turbine, driving a side gear to rotate through the central gear, driving a threaded vertical rod to rotate through the side gear, driving a lifting placing plate to move upwards through the threaded vertical rod, driving a liquid nitrogen tank to ascend through the lifting placing plate, and extending a liquid extraction long pipe into the liquid nitrogen pouring tank from the pipe orifice of the liquid nitrogen tank until the pipe orifice of the liquid nitrogen tank is in close contact with the lower end of an elastic sealing gasket;
s3, placing the receiving thermos bottle on the upper end of the operation transverse plate, rotating the adjusting handle, driving a second turbine to rotate by the adjusting handle through a second worm, driving a rotating threaded rod to rotate by the second turbine, driving the positioning circular plate to move downwards by the rotating threaded rod until the positioning circular plate seals the mouth of the receiving thermos bottle, and simultaneously extending the liquid outlet pipe into the receiving thermos bottle;
s4, starting the micro metering pump, quantitatively extracting liquid nitrogen in the liquid nitrogen tank, wherein the liquid nitrogen enters the receiving vacuum flask through the long liquid extraction pipe, the short connecting pipe, the micro metering pump, the L-shaped guide pipe, the telescopic transfer pipe and the liquid outlet pipe;
s5, after the liquid nitrogen is quantitatively pumped, closing the micro metering pump, reversely rotating the adjusting handle to pump the liquid outlet pipe away from the receiving thermos bottle, and taking away the receiving thermos bottle filled with the liquid nitrogen;
s6, when the receiving thermos flask is not needed, the movable connecting strip is rotated to be superposed with the through groove, and the lower end of the telescopic transfer pipe is pulled out from the movable positioning piece to directly spray the liquid nitrogen to a needed working position;
and S7, after the liquid nitrogen extraction is finished, starting the motor again to enable the first worm to rotate reversely, so that the liquid nitrogen tank descends until the liquid nitrogen extraction long pipe is extracted out of the liquid nitrogen tank, and covering a sealing cover of the liquid nitrogen tank to finish the whole liquid nitrogen extraction and transfer work.
CN202010601763.7A 2020-06-28 2020-06-28 Adjustable liquid nitrogen extraction and transfer device and working method thereof Active CN111810838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010601763.7A CN111810838B (en) 2020-06-28 2020-06-28 Adjustable liquid nitrogen extraction and transfer device and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010601763.7A CN111810838B (en) 2020-06-28 2020-06-28 Adjustable liquid nitrogen extraction and transfer device and working method thereof

Publications (2)

Publication Number Publication Date
CN111810838A true CN111810838A (en) 2020-10-23
CN111810838B CN111810838B (en) 2021-09-17

Family

ID=72856326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010601763.7A Active CN111810838B (en) 2020-06-28 2020-06-28 Adjustable liquid nitrogen extraction and transfer device and working method thereof

Country Status (1)

Country Link
CN (1) CN111810838B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566733A (en) * 1993-12-01 1996-10-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes George Claude Apparatus for delivering, at high frequency, measured quantities of liquid
JP2004332638A (en) * 2003-05-08 2004-11-25 Musashi Eng Co Ltd Pressure feed device for high viscosity material
CN202464612U (en) * 2011-12-31 2012-10-03 浙江吉润汽车有限公司 Cask carrying device
CN102923628A (en) * 2012-11-13 2013-02-13 武汉理工大学 Liquid filing tester and filling test method
CN202849028U (en) * 2012-08-28 2013-04-03 昆山力固机电工业有限公司 Novel liquid filling machine
CN103626098A (en) * 2012-08-28 2014-03-12 昆山力固机电工业有限公司 Liquid filling machine positioner
CN104418273A (en) * 2013-09-10 2015-03-18 中泰致远(天津)涂料有限公司 Paint filling device
CN207632493U (en) * 2017-12-22 2018-07-20 天津蓝新石油化工有限公司 A kind of filling weighing all-in-one machine of big oil drum
CN208916796U (en) * 2018-07-12 2019-05-31 湖州国信物资有限公司 A kind of filling trolley of promotion of barreled hydraulic oil
CN209507566U (en) * 2019-01-24 2019-10-18 深圳市中医院 A kind of liquid nitrogen liquid-transfering device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566733A (en) * 1993-12-01 1996-10-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes George Claude Apparatus for delivering, at high frequency, measured quantities of liquid
JP2004332638A (en) * 2003-05-08 2004-11-25 Musashi Eng Co Ltd Pressure feed device for high viscosity material
CN202464612U (en) * 2011-12-31 2012-10-03 浙江吉润汽车有限公司 Cask carrying device
CN202849028U (en) * 2012-08-28 2013-04-03 昆山力固机电工业有限公司 Novel liquid filling machine
CN103626098A (en) * 2012-08-28 2014-03-12 昆山力固机电工业有限公司 Liquid filling machine positioner
CN102923628A (en) * 2012-11-13 2013-02-13 武汉理工大学 Liquid filing tester and filling test method
CN104418273A (en) * 2013-09-10 2015-03-18 中泰致远(天津)涂料有限公司 Paint filling device
CN207632493U (en) * 2017-12-22 2018-07-20 天津蓝新石油化工有限公司 A kind of filling weighing all-in-one machine of big oil drum
CN208916796U (en) * 2018-07-12 2019-05-31 湖州国信物资有限公司 A kind of filling trolley of promotion of barreled hydraulic oil
CN209507566U (en) * 2019-01-24 2019-10-18 深圳市中医院 A kind of liquid nitrogen liquid-transfering device

Also Published As

Publication number Publication date
CN111810838B (en) 2021-09-17

Similar Documents

Publication Publication Date Title
CN208716820U (en) A kind of horizontal pneumatic cream flow container installation
CN111810838B (en) Adjustable liquid nitrogen extraction and transfer device and working method thereof
CN111420149B (en) Mixed cleaning equipment of gynaecology and obstetrics's liquid medicine
CN210419214U (en) Electric push type wine output control device
CN214390046U (en) Medicament adding device for separating furfural resin from aniline
CN212999907U (en) Cement grinding aid filling metering device
CN213919063U (en) Batching structure of composite material rubber sealing strip
CN215946722U (en) Liquid filling machine for sealant
CN216036175U (en) Edible oil bottle cap convenient for flow adjustment
CN210915270U (en) Liquid filling machine
CN210966936U (en) Make things convenient for mould for metal casting of whole feeding
CN214092995U (en) Gear oil filling device
CN215517964U (en) Lubricant spraying device for embroidery machine
CN210933852U (en) Intermediate horizontal rectifying still for medical intermediate
CN215141065U (en) Adjustable water spraying structure
CN215540566U (en) Device for automatically preparing missible oil preparation
CN213666772U (en) Special dislysate bucket of peritoneal dialysis
CN209412351U (en) A kind of plating line adds medicine adding device automatically
CN216110016U (en) Stainless steel water tower convenient to clear up inside incrustation scale
CN211754798U (en) Resin feeding device and reaction device comprising same
CN210171319U (en) Secondary dilution and metering preparation container for pesticide
CN215103149U (en) Rice wine production is with squeezing device
CN215764617U (en) Gas holder convenient to use
CN110623544B (en) Direct water dispenser without water tank
CN214486836U (en) Industrial continuous production system for high-purity methyl monoethanolamine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant