CN213621041U - Liquid nitrogen container protection device - Google Patents
Liquid nitrogen container protection device Download PDFInfo
- Publication number
- CN213621041U CN213621041U CN202021215501.9U CN202021215501U CN213621041U CN 213621041 U CN213621041 U CN 213621041U CN 202021215501 U CN202021215501 U CN 202021215501U CN 213621041 U CN213621041 U CN 213621041U
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- Prior art keywords
- liquid nitrogen
- nitrogen container
- balance block
- tank
- nitrogen tank
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 286
- 239000007788 liquid Substances 0.000 title claims abstract description 143
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 143
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 17
- 238000003860 storage Methods 0.000 description 12
- 210000000078 claw Anatomy 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a technical field of liquid nitrogen container protective articles is a liquid nitrogen container protection device, and it includes inclosed box, balancing piece, is provided with the recess corresponding with balancing piece hemisphere portion appearance on the base in the box, and the hemisphere portion of balancing piece is sat and is established in the recess, is provided with the liquid nitrogen container that the jack catch was placed on the balancing piece with the chucking on the balancing piece, sets firmly the spacing support arm of elasticity respectively at least before the box, on the inner wall of back, left and right four directions. Through setting up balancing piece and jack catch, can make the effect of fixing the liquid nitrogen container utensil tumbler on the balancing piece, can effectively avoid empting, the situation such as turn on one's side that the liquid nitrogen container takes place in the transportation, the spacing support arm of balancing piece cooperation elasticity is used together, can reduce the fluctuation of liquid nitrogen in the liquid nitrogen container in the transportation, reduce the volume of volatilizing of liquid nitrogen then, ensure the transportation safety of liquid nitrogen, the setting of box can effectively avoid the liquid nitrogen container in the transportation, deposit, take place mutual extrusion collision when using.
Description
Technical Field
The utility model relates to a technical field of liquid nitrogen container protective articles is a liquid nitrogen container protection device.
Background
Due to the manufacturing precision of the liquid nitrogen tank and the inherent characteristics of the liquid nitrogen, no matter when the liquid nitrogen tank is transported, stored and used, the liquid nitrogen tank is not inclined, transversely placed, inverted, piled, impacted with each other or collided with other objects, and the liquid nitrogen tank is lightly handled and placed and always kept upright. But in the transportation, along with the vehicle travel, rock, the liquid nitrogen container takes place to empty very easily, turn on one's side and strike each other, greatly shortens the life of liquid nitrogen container, and violent rocking, striking in the transportation also can aggravate volatilizing of liquid nitrogen, have not only increaseed the consume of liquid nitrogen, also can aggravate the safety risk in the transportation. The existing liquid nitrogen tank protection device mainly aims at the transportation process of a liquid nitrogen tank, people fix the liquid nitrogen tank by using a wooden frame in advance and keep a certain distance between the tank and the tank through a filler before transportation, so as to ensure that the liquid nitrogen tank keeps an upright state in the transportation process and avoid mutual collision of the liquid nitrogen tank, but the measures are temporary measures, and along with the end of transportation, the protection structures can be detached, so that the subsequent storage and the protection in the use process of the liquid nitrogen tank can not be provided, and only one set of protection device can be additionally made for the subsequent protection, so that the use cost of the liquid nitrogen tank is greatly improved, and therefore, a device capable of providing whole-course protection for the transportation, the storage and the use of the liquid nitrogen tank is urgently needed.
Disclosure of Invention
The utility model provides a liquid nitrogen container protection device has overcome above-mentioned prior art not enough, and its protector that can effectively solve current liquid nitrogen container can't provide the problem of whole protection to the transportation of liquid nitrogen container, deposit, use.
The purpose of the application is realized as follows: the liquid nitrogen tank protection device comprises a closed box body and a balance block, wherein the top of the box body is a box cover which can be locked and opened, the bottom of the box body is a base, the right box wall of the box body is a box door which can be locked and opened, the balance block is a solid hemisphere which is flat at the upper part and convex at the lower part, a groove corresponding to the shape of the hemisphere part of the balance block is arranged on the base in the box body, the hemisphere part of the balance block is arranged in the groove, a plurality of clamping jaws which are distributed at intervals are uniformly distributed along the circumferential direction of the upper end plane of the balance block so as to clamp the liquid nitrogen tank arranged on the balance block, at least one elastic limiting supporting arm is fixedly arranged on the inner walls of the front, the rear, the left and the right directions of the box body respectively so as to centralize the liquid nitrogen tank arranged on the balance block, a section of supporting bars which correspond, the cover plate is arranged above the supporting bars, the front side and the rear side of the cover plate are respectively erected on the supporting bars corresponding to the cover plate, the middle of the cover plate is further provided with a limiting opening, and the cover plate is sleeved on the outer side of the tank body of the liquid nitrogen tank through the limiting opening and limits the swing of the liquid nitrogen tank.
The following are further optimization or/and improvement of the technical scheme of the utility model: further, the spacing support arm of elasticity includes the outer sleeve, the inner skleeve, block the piece, the piston rod, a spring, the backing sheet, one side of outer sleeve and the inner wall fixed connection of box, the opposite side of outer sleeve is overhanging end, one side of inner skleeve insert establish in the overhanging end of outer sleeve and with outer sleeve threaded connection, the terminal edge body coupling of inner skleeve opposite side blocks the piece, the inner skleeve internalization that blocks piece one side is inserted and is equipped with one section piston rod, the terminal fixedly connected with backing sheet of another section of piston rod, the piston rod outside cover between backing sheet and block the piece is equipped with the spring, the one end and the piece fixed connection that blocks of spring, the.
Furthermore, the clamping jaw comprises a clamping piece, a bottom piece and a screw, a section of long hole is formed in the body of the bottom piece, the screw penetrates through the long hole to fix the bottom piece on the upper end face of the balance block, and the clamping piece is vertically connected to one end of the bottom piece to clamp the liquid nitrogen tank placed on the balance block.
Furthermore, a containing groove which is sunken downwards is also arranged on the balance block between the adjacent clamping claws.
The utility model has reasonable and compact structure, the liquid nitrogen tank fixed on the balancing block can have the tumbler effect by arranging the balancing block and the jack catch, the liquid nitrogen tank can effectively avoid the liquid nitrogen tank from toppling, turning over and other conditions in the transportation process, the balancing block is matched with the elastic limit supporting arm to be used together, the fluctuation of the liquid nitrogen in the liquid nitrogen tank in the transportation process can be reduced, the volatilization volume of the liquid nitrogen is reduced, the transportation safety of the liquid nitrogen is ensured, the box body is arranged to effectively avoid the liquid nitrogen tank from mutual extrusion collision in the transportation, storage and use processes, the safety and the service life of the liquid nitrogen tank can be effectively ensured, the cover plate is arranged to ensure that the liquid nitrogen tank is always kept in a normal vertical state in the storage and use states, the tank cover and the tank door are arranged, the process that the liquid nitrogen tank enters and exits the utility model is greatly facilitated, and various operations in the, the utility model discloses simple structure, use cost is low, can provide the protection to the transportation of liquid nitrogen container, deposit, the whole of use, has very strong practicality.
Drawings
The specific structure of the application is given by the following figures and examples:
FIG. 1 is a schematic sectional structural view of a liquid nitrogen container protection device in front view;
FIG. 2 is a schematic axial side view of the liquid nitrogen container protection device;
FIG. 3 is an enlarged structural view of the resilient limiting support arm of FIG. 1;
FIG. 4 is an enlarged axial view of the weight of FIG. 1.
Legend: 1. the box body, 2, a balance block, 3, a box cover, 4, a base, 5, a box door, 6, a groove, 7, a liquid nitrogen tank, 8, a support bar, 9, a cover plate, 10, a limiting opening, 11, an outer sleeve, 12, an inner sleeve, 13, a blocking piece, 14, a piston rod, 15, a spring, 16, a support piece, 17, a clamping piece, 18, a bottom piece, 19, a screw, 20, a long hole, 21, a containing groove, 22 and a door lock.
Detailed Description
The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction of fig. 1 in the specification.
The invention will be further described with reference to the following examples and drawings, in which: as shown in attached figures 1 to 4, the liquid nitrogen tank protection device comprises a closed box body 1 and a balance block 2, wherein the top of the box body 1 is a box cover 3 which can be locked and opened, the bottom of the box body 1 is a base 4, the right box wall of the box body 1 is a box door 5 which can be locked and opened, the balance block 2 is a solid hemisphere which is flat at the upper part and convex at the lower part, a groove 6 which corresponds to the hemisphere part of the balance block 2 in shape is arranged on the base 4 in the box body 1, the hemisphere part of the balance block 2 is arranged in the groove 6, a plurality of claws which are distributed at intervals are evenly distributed along the circumferential direction of the upper end plane of the balance block 2 so as to tightly clamp the liquid nitrogen tank 7 arranged on the balance block 2, at least one elastic limit support arm which is fixedly arranged on the inner walls of the front, the back, the left and the right of the box body 1 respectively, a section of support bars 8 which correspond to each other and are transversely distributed are fixedly arranged, the support bars 8 are located above the elastic limiting support arms, the cover plate 9 is arranged above the support bars 8, the front side and the rear side of the cover plate 9 are erected on the support bars 8 corresponding to the support bars respectively, the middle of the cover plate 9 is further provided with a limiting opening 10, and the cover plate 9 is sleeved on the outer side of the tank body of the liquid nitrogen tank 7 through the limiting opening 10 and limits the swing of the liquid nitrogen tank 7.
Before the liquid nitrogen tank 7 is transported, the tank cover 3 and the tank door 5 are firstly opened, the cover plate 9 is taken out and is not used, the liquid nitrogen tank 7 is placed on the balance block 2, the lower part of the liquid nitrogen tank 7 is fixed through the clamping jaws, then the locking of the tank cover 3 and the tank door 5 is realized through the door lock 22 arranged on the tank cover 3 and the tank door 5, at the moment, the integral structure formed by the balance block 2 and the liquid nitrogen tank 7 is equivalent to a tumbler, once the inclination occurs, the upright state can be automatically recovered, a driver can increase the speed or reduce the speed at times according to real-time road conditions in the running process of a truck carrying the liquid nitrogen tank 7, so that the liquid nitrogen in the liquid nitrogen tank 7 can generate large shaking in the transportation process, in the process, if the liquid nitrogen tank 7 is in a fixed state all the time by using a wooden frame and fillers like the prior art, the liquid nitrogen in the liquid nitrogen tank 7 can impact the inner wall of the liquid nitrogen tank 7, the liquid nitrogen is caused to shake violently in the liquid nitrogen tank 7, so that the volatilization of the liquid nitrogen is accelerated, and the transportation safety of the liquid nitrogen is threatened.
And the utility model discloses when facing this kind of situation, owing to set up balancing piece 2 and the spacing support arm of elasticity, liquid nitrogen container 7 on the balancing piece 2 can be along with inertia produces corresponding small amplitude swing to can reduce the violent collision that produces because of great relative motion between liquid nitrogen container 7 and the liquid nitrogen, thereby play control liquid nitrogen undulant, reduce the liquid nitrogen and volatilize, improve the purpose of transportation safety. In the process of transporting the liquid nitrogen container 7, the overhanging supporting part of the elastic limit supporting arm surrounds the outer side of the liquid nitrogen container 7, so that the effect of controlling the swing amplitude of the liquid nitrogen container 7 can be achieved, if the swing amplitude of the liquid nitrogen container 7 is not limited, the situation of willingness is likely to occur, namely the liquid nitrogen container 7 is too large due to inertia swing amplitude, and liquid nitrogen fluctuation in the liquid nitrogen container 7 is aggravated. When liquid nitrogen container 7 is transported to the destination, when need to keep standstill and deposit, only need be equipped with liquid nitrogen container 7 the utility model discloses together lift off, then open case lid 3 and chamber door 5, cover 9 cover in the external side of the jar of liquid nitrogen container 7, because the diameter size of spacing mouth 10 is corresponding with the diameter size of the liquid nitrogen container 7 jar body on the apron 9, just in time can block the jar body of liquid nitrogen container 7, consequently can make liquid nitrogen container 7 can not swing, at last lock case lid 3 and chamber door 5 again, let liquid nitrogen container 7 together the utility model discloses put into the factory building and store together, so, even if there is external shock box 1, the utility model discloses also can effectively ensure the erect state under the liquid nitrogen container 7 storage state.
Through the arrangement of the balance block 2 and the clamping claws, the liquid nitrogen tank 7 fixed on the balance block 2 can have the tumbler effect, the situations of toppling, side turning and the like of the liquid nitrogen tank 7 in the transportation process can be effectively avoided, the balance block 2 is matched with the elastic limiting supporting arm to be used together, the fluctuation of the liquid nitrogen in the liquid nitrogen tank 7 in the transportation process can be reduced, the volatilization volume of the liquid nitrogen is reduced, the transportation safety of the liquid nitrogen is ensured, the setting of the box body 1 can effectively avoid the mutual extrusion collision of the liquid nitrogen tank 7 in the transportation, storage and use processes, the safety and the service life of the liquid nitrogen tank 7 can be effectively ensured, the setting of the cover plate 9 can ensure that the liquid nitrogen tank 7 is always kept in a normal vertical state in the storage and use states, the box cover 3 and the box door 5 are arranged, the process that the liquid nitrogen tank 7 is greatly facilitated to enter and exit the utility model, the utility model discloses simple structure, use cost is low, can to the transportation of liquid nitrogen container 7, deposit, the whole of using provides the protection, has very strong practicality.
According to the actual needs, the liquid nitrogen tank protection device is further optimized or/and improved: further, as shown in fig. 1 to 3, the elastic limit support arm includes an outer sleeve 11, an inner sleeve 12, a stop tab 13, a piston rod 14, a spring 15, and a support tab 16, one side of the outer sleeve 11 is fixedly connected to an inner wall of the box 1, the other side of the outer sleeve 11 is an extended end, one side of the inner sleeve 12 is inserted into the extended end of the outer sleeve 11 and is in threaded connection with the outer sleeve 11, the stop tab 13 is integrally connected to a terminal edge of the other side of the inner sleeve 12, a section of the piston rod 14 is movably inserted into the inner sleeve 12 on one side of the stop tab 13, the support tab 16 is fixedly connected to a terminal end of the other section of the piston rod 14, the spring 15 is sleeved outside the piston rod 14 between the support tab 16 and the stop tab 13, one end of the spring.
The elastic limit support arm mainly has the function of controlling the swing amplitude of the liquid nitrogen tank 7, when the stop piece 13 is closer to the liquid nitrogen tank 7, the inner sleeve 12 can be screwed to ensure that the inner sleeve 12 is screwed into the outer sleeve 11 by a certain length to shorten the extending length of the whole elastic limit support arm, and a proper distance is reserved between the support piece 16 and the outer wall of the liquid nitrogen tank 7 to ensure that the liquid nitrogen tank 7 has a proper swing amplitude space in the transportation process, the support piece 16 is the extending support part of the elastic limit support arm, when the liquid nitrogen tank 7 swings in the transportation process, the outer wall of the liquid nitrogen tank 7 can extrude the support piece 16 on the corresponding side, further the spring 15 is compressed, the piston rod 14 moves towards the inner sleeve 12, so as to buffer the impulsive force generated by the swing of the liquid nitrogen tank 7, and simultaneously play a role in blocking the further swing of the liquid nitrogen tank 7, when the liquid nitrogen, in the standing storage stage, the manager can continuously adjust the extending length of the elastic limit supporting arm by screwing the inner sleeve 12, so that the supporting sheet 16 is directly pressed on the outer wall of the liquid nitrogen tank 7 to play a role in righting, the stability of the liquid nitrogen tank 7 is further ensured, and the liquid nitrogen tank 7 is always in the vertical storage state. In order to make the support sheet 16 support the liquid nitrogen tank 7 better, the support sheet 16 is preferably an arc-shaped sheet, and an elastic pad, such as a soft rubber pad, is preferably fixedly arranged on the surface of the support sheet 16 contacting the liquid nitrogen tank 7, so as to provide a good protection for the liquid nitrogen tank 7 and prevent the support sheet 16 from scratching the outer surface of the liquid nitrogen tank 7.
Further, as shown in fig. 1 and 4, the clamping jaw comprises a clamping piece 17, a bottom piece 18 and a screw 19, a section of long hole 20 is arranged on the body of the bottom piece 18, the screw 19 penetrates through the long hole 20 to fix the bottom piece 18 on the upper end surface of the balance block 2, and the clamping piece 17 is vertically connected to one end of the bottom piece 18 to clamp the liquid nitrogen tank 7 placed on the balance block 2.
The liquid nitrogen container 7 of different capacity also diverse in its appearance size, in order to make the utility model discloses can satisfy the not demand of placing of equidimension liquid nitrogen container 7 on balancing piece 2, can be according to the user demand of reality, the position of adjustment jack catch on balancing piece 2, concrete mode as follows: the screws 19 are loosened, so that the position of the bottom plate 18 can be flexibly adjusted within the length range of the long holes 20, and when the bottom plate 18 needs to be fixed, the screws 19 are screwed. In order to enable the clamping pieces 17 to better clamp the liquid nitrogen tank 7, the clamping pieces 17 are preferably arc-shaped pieces, and an elastic gasket, such as a soft rubber gasket, is preferably fixedly arranged on one surface of the clamping pieces 17, which is in contact with the liquid nitrogen tank 7, so as to well protect the liquid nitrogen tank 7 and prevent the clamping pieces 17 from scratching the outer surface of the liquid nitrogen tank 7.
Further, as shown in fig. 4, a receiving groove 21 is formed in the weight 2 between the adjacent jaws to be recessed downward.
Some liquid nitrogen container 7 of current are convenient for transport, on the outside of its bottom all around the direction itself just from taking the pulley, bow the storage tank 21 on the balancing piece 2 of seeing, its appearance can be similar to the fan shape of folding the fan, also can be the storage tank 21 of other shapes, the main objective that sets up storage tank 21 is, it has the empty space district of a take the altitude difference to form a plurality of sections and 2 up end of balancing piece on the balancing piece 2, a pulley for holding liquid nitrogen container 7 bottom, just so can make liquid nitrogen container 7 bottom do not have the part of pulley to be located on balancing piece 2's up end, make liquid nitrogen container 7 whole can place on balancing piece 2 more steadily, make the utility model discloses scientific and reasonable more.
The foregoing description is by way of example only and is not intended as limiting the embodiments of the present application. All obvious variations and modifications of the present invention are within the scope of the present invention.
Claims (5)
1. A liquid nitrogen tank protection device is characterized by comprising a closed box body and a balance block, wherein the top of the box body is a box cover which can be locked and opened, the bottom of the box body is a base, the right box wall of the box body is a box door which can be locked and opened, the balance block is a solid hemisphere which is flat at the upper part and convex at the lower part, a groove corresponding to the shape of the hemisphere part of the balance block is arranged on the base in the box body, the hemisphere part of the balance block is arranged in the groove, a plurality of clamping jaws which are distributed at intervals are uniformly distributed along the circumferential direction of the upper end plane of the balance block so as to clamp a liquid nitrogen tank arranged on the balance block, at least one elastic limit supporting arm is fixedly arranged on the inner walls of the front, the rear, the left and the right directions of the box body respectively so as to centralize the liquid nitrogen tank arranged on the balance block, a section of supporting bar which is mutually corresponding and, the cover plate is arranged above the supporting bars, the front side and the rear side of the cover plate are respectively erected on the supporting bars corresponding to the cover plate, the middle of the cover plate is further provided with a limiting opening, and the cover plate is sleeved on the outer side of the tank body of the liquid nitrogen tank through the limiting opening and limits the swing of the liquid nitrogen tank.
2. The liquid nitrogen tank protection device as claimed in claim 1, wherein the elastic limit support arm comprises an outer sleeve, an inner sleeve, a stop piece, a piston rod, a spring and a support piece, one side of the outer sleeve is fixedly connected with the inner wall of the tank body, the other side of the outer sleeve is an outward extending end, one side of the inner sleeve is inserted into the outward extending end of the outer sleeve and is in threaded connection with the outer sleeve, the stop piece is integrally connected with the end edge of the other side of the inner sleeve, a section of the piston rod is movably inserted into the inner sleeve on one side of the stop piece, the support piece is fixedly connected with the end of the other section of the piston rod, the spring is sleeved outside the piston rod between the support piece and the stop piece, one.
3. The liquid nitrogen container protection device of claim 1 or 2, wherein the clamping jaw comprises a clamping piece, a bottom sheet and a screw, a section of long hole is arranged on the body of the bottom sheet, the screw penetrates through the long hole to fix the bottom sheet on the upper end surface of the balance block, and the clamping piece is vertically connected to one end of the bottom sheet to clamp the liquid nitrogen container placed on the balance block.
4. The liquid nitrogen container protection device as claimed in claim 1 or 2, wherein a receiving groove is formed in the weight between the adjacent jaws and is recessed downward.
5. The liquid nitrogen container protection device of claim 3, wherein a downward concave receiving groove is further formed on the balance weight between the adjacent jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021215501.9U CN213621041U (en) | 2020-06-28 | 2020-06-28 | Liquid nitrogen container protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021215501.9U CN213621041U (en) | 2020-06-28 | 2020-06-28 | Liquid nitrogen container protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213621041U true CN213621041U (en) | 2021-07-06 |
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ID=76620811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021215501.9U Active CN213621041U (en) | 2020-06-28 | 2020-06-28 | Liquid nitrogen container protection device |
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| Country | Link |
|---|---|
| CN (1) | CN213621041U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390014A (en) * | 2021-07-23 | 2021-09-14 | 深圳市北科生物科技有限公司 | Liquid nitrogen transfer tank anti-toppling device |
| CN114408402A (en) * | 2021-12-13 | 2022-04-29 | 安徽省松涛装饰材料有限责任公司 | Putty powder production and processing raw material tank convenient to transport |
| CN115072156A (en) * | 2022-08-16 | 2022-09-20 | 湖南第一师范学院 | Intelligent transportation equipment for special gas cylinders |
| CN116839279A (en) * | 2023-09-01 | 2023-10-03 | 科威嘉尼（江苏）制冷设备有限公司 | Liquid nitrogen box type refrigerating tube storage and removal equipment |
-
2020
- 2020-06-28 CN CN202021215501.9U patent/CN213621041U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390014A (en) * | 2021-07-23 | 2021-09-14 | 深圳市北科生物科技有限公司 | Liquid nitrogen transfer tank anti-toppling device |
| CN114408402A (en) * | 2021-12-13 | 2022-04-29 | 安徽省松涛装饰材料有限责任公司 | Putty powder production and processing raw material tank convenient to transport |
| CN115072156A (en) * | 2022-08-16 | 2022-09-20 | 湖南第一师范学院 | Intelligent transportation equipment for special gas cylinders |
| CN115072156B (en) * | 2022-08-16 | 2022-11-25 | 湖南第一师范学院 | Intelligent transportation equipment of special gas cylinder |
| CN116839279A (en) * | 2023-09-01 | 2023-10-03 | 科威嘉尼（江苏）制冷设备有限公司 | Liquid nitrogen box type refrigerating tube storage and removal equipment |
| CN116839279B (en) * | 2023-09-01 | 2023-12-26 | 科威嘉尼（江苏）制冷设备有限公司 | Liquid nitrogen box type refrigerating tube storage and removal equipment |
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