CN109805002B - Planet wheel type liquid nitrogen tank freezing pipe storage and shifting-out equipment - Google Patents
Planet wheel type liquid nitrogen tank freezing pipe storage and shifting-out equipment Download PDFInfo
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- CN109805002B CN109805002B CN201910159231.XA CN201910159231A CN109805002B CN 109805002 B CN109805002 B CN 109805002B CN 201910159231 A CN201910159231 A CN 201910159231A CN 109805002 B CN109805002 B CN 109805002B
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- liquid nitrogen
- nitrogen tank
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- freezing
- plates
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 104
- 239000007788 liquid Substances 0.000 title claims abstract description 103
- 230000008014 freezing Effects 0.000 title claims abstract description 73
- 238000007710 freezing Methods 0.000 title claims abstract description 73
- 239000000725 suspension Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 54
- 230000001174 ascending effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000012472 biological sample Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 208000001034 Frostbite Diseases 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to low-temperature storage equipment, in particular to planetary gear type liquid nitrogen tank freezing pipe storage and removal equipment, which comprises: the device comprises a liquid nitrogen tank, a planet wheel, a positioning device, a suspension rod, a freezing box and a shifting-out device; the liquid nitrogen tank refrigerates a plurality of freezing pipes; the planet wheel is arranged inside the liquid nitrogen tank; the positioning device is positioned below the planet wheel; the plurality of suspension rods are arranged on the planet wheel; the plurality of freezing boxes are arranged on the plurality of hanging rods; the shifting-out device is arranged on the top surface of the liquid nitrogen tank; the invention can automatically select the needed freezing pipe, avoid personnel intervention, prevent liquid nitrogen from damaging human bodies, effectively avoid a large amount of liquid nitrogen from leaking outwards when the personnel select the freezing pipe, and keep the other freezing pipes in the low-temperature environment of the liquid nitrogen all the time, so that the biological sample can keep activity.
Description
Technical Field
The invention relates to low-temperature storage equipment, in particular to planetary gear type liquid nitrogen tank freezing pipe storage and removal equipment.
Background
Low temperature storage is the important means of preserving biological sample activity, conventional means is for depositing the biological sample in the liquid nitrogen jar, nevertheless take out the biological sample and need open the liquid nitrogen jar, when personnel usually select, and is slow, and the liquid nitrogen in the liquid nitrogen jar can be followed open irritate mouthful to external diffusion in this period of time, causes the loss of a large amount of liquid nitrogen, and the biological sample exposes in the normal atmospheric temperature environment of outside for a long time, cause very big harm to the biological sample, so repeated probably destroy biological sample activity, personnel are when taking the biological sample simultaneously, the low temperature of liquid nitrogen easily causes the frostbite to the hand, there is very big potential safety hazard.
Disclosure of Invention
Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a planetary type device for storing and removing a freezing pipe of a liquid nitrogen tank, which can automatically select a desired freezing pipe without human operation.
A planet wheel type liquid nitrogen tank freezing pipe storage and removal device comprises: the device comprises a liquid nitrogen tank, a planet wheel, a positioning device, a suspension rod, a freezing box and a shifting-out device;
the liquid nitrogen tank is refrigerated with a plurality of freezing pipes, wherein the lower end of the inner wall surface of the liquid nitrogen tank is surrounded with an annular groove, and the top surface of the liquid nitrogen tank is provided with a rectangular opening;
the planet gear is horizontally arranged in the liquid nitrogen tank, a planet gear ring is meshed with the annular groove, a first motor is connected above a planet gear sun gear, the first motor is vertically arranged on the top surface of the liquid nitrogen tank, a first motor shaft penetrates through the top surface of the liquid nitrogen tank and extends downwards to be connected with the axis of the sun gear, and positioning pipes are fixed at the axes of the bottom surfaces of a plurality of planet pinions of the planet gear;
the positioning device is arranged below the planet wheel;
the above-mentioned positioner includes: the device comprises a cylinder, a support rod and a positioning shaft;
the cylinder is arranged on the bottom surface of the liquid nitrogen tank, and a cylinder shaft penetrates through the bottom surface of the liquid nitrogen tank and extends to the inside;
the number of the positioning shafts is the same as that of the planet pinions of the planet wheels, and the positioning shafts are connected with the cylinder shaft through connecting rods;
the number of the suspension rods is the same as that of the planet pinions of the planet wheels, the suspension rods are respectively vertically fixed at the top surface axis positions of the planet pinions of the planet wheels and are arranged along the axis direction of the planet pinions of the planet wheels, the upper ends of the suspension rods are provided with a plurality of suspension hooks, and the number of the suspension hooks is large;
the number of the freezing boxes is the same as that of the hanging hooks, and the plurality of freezing boxes are respectively arranged by taking the plurality of hanging rods as axes;
the freezer includes: the device comprises a shell, a tray, a hanging hole and a lifting groove;
the shell is a hollow rectangular body, the number of the shells is multiple, the wall surface of one side of the shell, which is close to the inner wall of the liquid nitrogen tank 1, is open, the wall surface of one side of the shell, which is close to the suspension rod, is provided with a vertical rectangular through hole, the other two side walls of the shell are provided with a plurality of air inlets, liquid nitrogen enters the shell through the air inlets, and the shells are vertically arranged to form a shell of the freezer;
the above-mentioned tray includes: a filling plate, a sealing plate and a push plate;
the number of the filling plates is the same as that of the shell, the filling plates are inserted into the shell along the open surface of the shell through a slide way, and a plurality of circular through holes are arranged on the wall surface of each filling plate;
the number of the sealing plates is the same as that of the filling plates, and the middle parts of one side wall surfaces of the plurality of sealing plates are connected with the open side of the shell, which is provided with the plurality of filling plates;
the quantity of the push plates is the same as that of the sealing plates, the push plates are arranged on the opposite side of the sealing plates, and one end of the filling plate is connected with the middle parts of the push plates;
the hanging hole is a through hole at the extending part of the side wall surface of the freezing box close to the hanging rod, and the hanging hook is inserted into the hanging hole;
the lifting groove is a groove on the top surface of the refrigerator, and the lifting groove is open except for the side close to the suspension rod;
the shifting-out device is arranged on the top surface of the liquid nitrogen tank and is opposite to the opening on the top surface of the liquid nitrogen tank;
the removing device comprises: the device comprises a mounting plate, a sealing cover, a lifting moving device, an electric telescopic rod, a closing device and a grabbing device;
the mounting plates are symmetrically arranged in two numbers and are positioned at two sides of the air inlet, wherein the opposite wall surfaces of the mounting plates are provided with vertically downward sliding chutes;
the sealing cover is arranged at the lower end of the mounting plate, the sealing cover is inserted into an opening on the top surface of the liquid nitrogen tank to seal the liquid nitrogen tank, a traction plate is arranged on the bottom surface of the sealing cover, the initial traction plate is positioned below one lifting groove, a certain distance is reserved between the traction plate and the lifting groove, pulleys are arranged on two sides of the upper end of the sealing cover, and the pulleys are respectively inserted into sliding grooves on two sides;
the lifting moving device is arranged at the upper end of the mounting plate;
the ascending movement device includes: a shaft, a rope and a motor II;
the shaft penetrates through the upper ends of the two mounting plates;
one end of the rope is connected to the shaft, and the other end of the rope is connected with the top surface of the sealing cover;
the second motor is fixed on one side of one mounting plate, and a second shaft of the motor is connected with a shaft;
the electric telescopic rod is arranged on one side between the two mounting plates, wherein the axial extension direction of the electric telescopic rod is opposite to the push plate;
the closing device is arranged between the two mounting plates and is positioned on the opposite side of the electric telescopic rod;
the above-mentioned closure device includes: a sliding rod, a closing plate and a spring;
the number of the sliding rods is two, one end of each sliding rod is fixed on the wall surface on one side opposite to the two mounting plates, and the length of each sliding rod is longer than that of the filling plate;
the two ends of the closing plate are respectively connected to the two sliding rods, the height of the closing plate is higher than that of the sealing plate, and the closing plate can horizontally move on the two sliding rods;
the number of the springs is two, one end of each spring is fixed at one end of the sliding rod fixed with the mounting plate, and the other end of each spring is fixed with the closing plate 6;
the gripping device is arranged above the closing device;
the above-mentioned grabbing device includes: a movable belt and an electric clamping jaw;
the moving belt is arranged in parallel with the closing plate;
the electric clamping jaw is fixed at the lower end of the movable belt.
In one embodiment, the liquid nitrogen tank is provided with a step on one side of the removal device.
In one embodiment, the bottom surface of the liquid nitrogen tank is provided with rollers.
In one embodiment, the extending end of the electric telescopic rod shaft is provided with a roller.
In one embodiment, the closing plate and the sealing plate are provided with rollers on opposite wall surfaces.
In one embodiment, the top end of the positioning shaft is provided with a bearing.
In one embodiment, the inlet holes are tapered inwardly.
In one embodiment, the hanging hook is composed of two rectangular plates which are arranged transversely and vertically, and the hanging hole is a rectangular through hole.
Advantageous effects
1. The invention can automatically select the required freezing pipe, avoid personnel intervention and prevent liquid nitrogen from damaging human bodies.
2. The invention effectively avoids the unnecessary waste caused by the leakage of a large amount of liquid nitrogen when a person selects the freezing pipe.
3. When the required freezing pipe is taken out, the rest freezing pipes are always in the low-temperature environment of liquid nitrogen, so that the biological sample is prevented from being inactivated by the freezing pipes in the normal-temperature environment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a schematic view of the planetary gear and the positioning device of the present invention.
Fig. 4 is a schematic view of the connection structure of the freezer and the suspension rod of the present invention.
Fig. 5 is a schematic view of the structure of the freezer of the present invention.
FIG. 6 is a schematic view of the tray structure of the present invention.
FIG. 7 is a schematic view of the removing device of the present invention.
FIG. 8 is a schematic view of the ascending movement device and the sealing cover according to the present invention.
Fig. 9 is a schematic view of the closure device of the present invention.
FIG. 10 is a schematic diagram of the movement of the take-out freezer pipe of the present invention.
Detailed Description
The present invention is further illustrated in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein, and it will be readily appreciated by those skilled in the art that the present invention can be embodied in many different forms without departing from the spirit and scope of the invention.
As shown in fig. 1-2, a planetary gear type liquid nitrogen container freezing pipe storage and removal device comprises: the device comprises a liquid nitrogen tank 1, a planet wheel 2, a positioning device 3, a suspension rod 4, a freezing box 5 and a shifting-out device 6;
the liquid nitrogen tank 1 is refrigerated by a plurality of freezing pipes 7, wherein an annular groove (not shown) is arranged at the lower end of the inner wall surface of the liquid nitrogen tank 1 in a surrounding manner, and a rectangular opening is formed in the top surface of the liquid nitrogen tank 1;
the planet gear 2 is horizontally arranged in the liquid nitrogen tank 1, a gear ring of the planet gear 2 is meshed with the annular groove, the planet gear 2 can rotate in the liquid nitrogen tank 1 through the annular groove, a first motor 21 is connected above a sun gear of the planet gear 2, the first motor 21 is vertically arranged on the top surface of the liquid nitrogen tank 1, a shaft of the first motor 21 penetrates through the top surface of the liquid nitrogen tank 1 and extends downwards to be connected with the axis of the sun gear, and positioning pipes 22 are fixed at the axes of the bottom surfaces of a plurality of planet pinions of the planet gear 2;
the positioning device 3 is arranged below the planet wheel 2;
as shown in fig. 3, the positioning device 3 includes: a cylinder 31, a support rod 32 and a positioning shaft 33;
the cylinder 31 is arranged on the bottom surface of the liquid nitrogen tank 1, and the shaft of the cylinder 31 penetrates through the bottom surface of the liquid nitrogen tank 1 and extends to the inside;
the number of the positioning shafts 33 is the same as that of the pinion gears of the planet wheels 2, and the positioning shafts are connected with the cylinders 31 through the connecting rods 32
The shaft connection, wherein the positioning shaft 33 can be inserted into the positioning pipe 22 through the ascending of the cylinder 31 shaft, and the positioning shaft 33 can position the planet pinion of the planet wheel 2 to rotate;
the number of the suspension rods 4 is the same as that of the planet pinions of the planet wheels 2, the suspension rods are respectively vertically fixed at the top surface axis positions of the planet pinions of the planet wheels 2 and are arranged along the axis direction of the planet pinions, wherein the upper ends of the suspension rods 4 are provided with a plurality of suspension hooks 41;
the number of the freezing boxes 5 is the same as that of the hanging hooks 41, the freezing boxes 5 are respectively arranged by taking the hanging rods 4 as axes, and the width of each freezing box 5 is slightly smaller than the opening on the top surface of the nitrogen tank 1;
as shown in fig. 5, the freezer 5 includes: a housing 51, a tray 52, a hanging hole 53, a rising groove 54;
the shell 51 is a hollow rectangular body, the number of the shells is multiple, the wall surface of one side of the shell 51 close to the inner wall of the liquid nitrogen tank 1 is open, the wall surface of one side of the shell 51 close to the suspension rod 4 is provided with a vertical rectangular through hole 511, the other two side walls of the shell 51 are provided with a plurality of air inlet holes 512, liquid nitrogen enters the shell 51 through the air inlet holes 512, and the shells 51 are vertically arranged to form the shell of the freezing box 5;
as shown in fig. 6, the tray 52 includes: a loading plate 521, a sealing plate 522, a push plate 523;
the number of the loading plates 521 is the same as that of the shell 51, the loading plates 521 are inserted into the shell 51 along the open face of the shell 51 through slide ways, a plurality of circular through holes are arranged on the wall surface of the loading plates 521, and the freezing pipes 7 are inserted into the circular through holes for storage;
the number of the sealing plates 522 is the same as that of the filling plates 521, and the middle parts of one side wall surfaces of the plurality of sealing plates 522 are connected with the plurality of filling plates 521 on the opening surface of the shell 51, wherein the sealing plates 522 can block the opening surface of the shell 51 to seal the shell 51;
the push plates 523 are the same in number as the sealing plates 522 and are arranged on the opposite side of the sealing plates 522, and one end of the filling plate 521 is connected with the middle parts of the push plates 523;
the hanging hole 53 is a through hole at the extending part of the side wall surface of the freezing box 5 close to the hanging rod 4, wherein the hanging hook 41 is inserted into the hanging hole 53 to hang the freezing box 5;
the ascending groove 54 is a groove on the top surface of the freezer 5, and the ascending groove 54 is open except the side close to the hanging rod 4;
the shifting-out device 6 is arranged on the top surface of the liquid nitrogen tank 1 and is opposite to the opening on the top surface of the liquid nitrogen tank 1;
as shown in fig. 7, the removing device 6 includes: the device comprises a mounting plate 61, a sealing cover 62, a lifting and moving device 63, an electric telescopic rod 64, a closing device 65 and a grabbing device 66;
the mounting plates 61 are symmetrically arranged in two numbers and are positioned at two sides of the air inlet 512, wherein the opposite wall surfaces of the mounting plates 61 are provided with vertical downward sliding grooves 611;
as shown in fig. 8, the sealing cover 62 is disposed at the lower end of the mounting plate 61, the sealing cover 62 is inserted into the opening on the top surface of the liquid nitrogen container 1 to seal the liquid nitrogen container and prevent the liquid nitrogen from leaking to the outside along the opening on the top surface of the liquid nitrogen container 1, wherein a traction plate 622 is disposed on the bottom surface of the sealing cover 62, the initial traction plate 622 is disposed below one of the lifting grooves 54 with a certain distance therebetween, pulleys 623 are disposed on both sides of the upper end of the sealing cover 62, and the pulleys 623 are respectively inserted into the sliding grooves 611 on both sides to;
the ascending moving device 63 is arranged at the upper end of the mounting plate 61;
as shown in fig. 8, the ascending movement device 63 includes: shaft 631, rope 632, motor two 633;
the shaft 631 penetrates the upper ends of the two mounting plates 61;
one end of the rope 632 is connected to the shaft 631, and the other end is connected to the top surface of the sealing cover 62;
the motor 633 is fixed on one side of a mounting plate 61, wherein the shaft of the motor 633 is connected with the shaft 631;
the electric telescopic rod 64 is arranged at one side between the two mounting plates 61, wherein the axial extension direction of the electric telescopic rod 64 is opposite to the push plate 523;
the closing device 65 is arranged between the two mounting plates 61 and is positioned on the opposite side of the electric telescopic rod 64;
as shown in fig. 9, the above-mentioned closing device 65 includes: a slide bar 651, a closure plate 652, a spring 653;
the number of the slide bars 651 is two, one end of each slide bar 651 is fixed on the opposite side wall surfaces of the two mounting plates 61, and the length of each slide bar 651 is longer than that of the filling plate 521;
the two ends of the closing plate 652 are respectively connected to the two sliding rods 651, and the closing plate 652 is higher than the sealing plate 522, wherein the closing plate 652 can horizontally move on the two sliding rods 651;
the number of the springs 653 is two, one end of each spring is fixed to the end of the sliding rod 651 fixed to the mounting plate 61, and the other end of each spring is fixed to the closing plate 652;
the above-mentioned gripping means 66 are arranged above the closing means 65;
the above-mentioned grasping device 66 includes: a movable belt 661, a motorized jaw 662;
the movable belt 661 is disposed in parallel with the closing plate 652;
the electric jaw 662 is fixed to the lower end of the movable belt 661;
when the appointed freezing pipe 7 needs to be taken out, the first motor 21 is started, the planet wheel 2 drives the freezing boxes 5 to revolve and rotate, and when the freezing boxes 5 on the planet pinion of the revolution planet wheel 2 reach the position below the opening of the top surface of the liquid nitrogen tank 1, the first motor 21 stops, the cylinder 31 ascends to drive the positioning shaft 33 to be inserted into the positioning pipe 22, the first motor 21 is started again, and the positioning shaft 33 prevents the planet pinion of the planet wheel 2 from revolving to form rotation
The rotating planetary pinion rotates a freezing box 5 to the lower part of the opening of the top surface of the liquid nitrogen tank 1, and meanwhile, the traction plate 622 is inserted into an ascending groove 54;
as shown in fig. 10, the motor b 633 is started to drive the shaft 631 to rotate, the rotating shaft 631 allows the rope 632 to wind around the rotating shaft, the length of the rope 632 is gradually shortened to pull the sealing cover 62 to rise, the rising sealing cover 62 drives the freezing box 5 to rise through the traction plate 622, the mounting plate 61 blocks the plurality of air inlets 512 at any time in the rising process to prevent leakage of liquid nitrogen, the lower end of the freezing box 5 blocks the top opening of the liquid nitrogen tank 1, liquid nitrogen in the liquid nitrogen tank 1 cannot diffuse outwards, when the freezing box 5 rises to the middle of the mounting plate 61, the motor b 633 is stopped, the electric telescopic rod 64 is started, the electric telescopic rod 64 pushes the lower end of the push plate 523, the push plate 523 drives the filling plate 521 to move out along the open surface of the housing 21, the plurality of rows of freezing tubes 7 move out of the housing 21 along with the filling plate 521, the sealing plate 522 pushes the closing plate 652, the electric clamping jaw 662 clamps the freezing pipe 7, the motor II 633 rotates reversely, the opening on the top surface of the liquid nitrogen tank 1 is blocked again downwards by the self-gravity of the sealing cover 62, the shaft of the electric telescopic rod 64 moves to the upper end of the push plate 523 in the downward movement process of the sealing cover 62, the freezing pipe 7 clamped by the electric clamping jaw 662 is separated from the filling plate 521, the shaft of the electric telescopic rod 64 is reset, the closing plate 652 is reset through the spring 653, and the sealing plate 522 is pushed to seal the shell 21 again after the closing plate 652 is reset.
Preferably, as an implementation mode, a step is arranged on one side of the moving-out device 6 of the liquid nitrogen tank 1, and the liquid nitrogen tank 1 is too high, so that a person can conveniently take or store the freezing pipe 7.
Preferably, as an implementation mode, the bottom surface of the liquid nitrogen container 1 is provided with rollers, and the person moves the liquid nitrogen container 1 to other positions.
Preferably, as an implementation mode, the extending end of the shaft of the electric telescopic rod 64 is provided with a roller, and during the downward movement of the push plate 523, the roller reduces the friction with the push plate 523.
Preferably, as an implementation mode, the closing plate 652 is provided with a roller on the wall surface opposite to the sealing plate 522, and the roller reduces the friction with the sealing plate 522 during the downward movement of the sealing plate 522.
Preferably, as an implementation mode, a bearing is arranged at the top end of the positioning shaft 33, after the positioning shaft 33 is inserted into the positioning tube 22, the first motor 11 starts the planet pinion of the planet wheel 2 to rotate, and friction between the positioning shaft 33 and the positioning tube 22 is reduced through the bearing.
Preferably, as an implementation mode, the air inlet 512 is tapered inwards to reduce the loss of liquid nitrogen in the housing 21 to the outside.
Preferably, as an embodiment, the hanging hook 41 is formed by two rectangular plates vertically and horizontally, and the hanging hole 53 is a rectangular through hole, so that the refrigerator 5 is prevented from being displaced when the refrigerator 5 is rotated.
The working principle of the invention is as follows:
when a specified freezing pipe 7 needs to be taken out, a motor I21 is started, a plurality of freezing boxes 5 are driven to revolve and rotate through a planet wheel 2, and when a plurality of freezing boxes 5 on a planet pinion of the revolving planet wheel 2 reach the position below the opening on the top surface of a liquid nitrogen tank 1, the motor I21 is stopped, the shaft of a cylinder 31 is lifted to drive a positioning shaft 33 to be inserted into a positioning pipe 22, the motor I21 is started again, the positioning shaft 33 prevents the planet pinion of the planet wheel 2 from revolving to rotate, the rotating planet pinion rotates one freezing box 5 to the position below the opening on the top surface of the liquid nitrogen tank 1, meanwhile, a traction plate 622 is inserted into an ascending groove 54, a motor II 633 is started to drive the shaft to rotate, a rotating shaft 631 winds the rope 632, the length of the rope 631 is gradually shortened, the sealing cover 62 is pulled to ascend, the ascending sealing cover 62 drives the freezing boxes 5, the mounting plate 61 blocks the plurality of air inlet holes 512 at any time in the ascending process to prevent liquid nitrogen from leaking, the lower end of the freezing box 5 plugs the top surface opening of the liquid nitrogen tank 1, liquid nitrogen in the liquid nitrogen tank 1 cannot diffuse outwards, when the freezing box 5 ascends to the middle of the mounting plate 61, the motor II 633 stops, the electric telescopic rod 64 starts, the electric telescopic rod 64 pushes the lower end of the push plate 523, the push plate 523 drives the filling plate 521 to move out along the opening surface of the shell 21, the multiple rows of freezing tubes 7 move out of the shell 21 along with the filling plate 521, the sealing plate 522 pushes the closing plate 652 towards one side, the moving belt 661 drives the electric clamping jaw 662 to move to the upper part of the needed freezing tube 7, the electric clamping jaw 662 clamps the freezing tube 7, the motor II 633 rotates reversely, the top surface opening of the liquid nitrogen tank 1 is blocked again downwards by the self gravity of the sealing cover 62, the, freezing pipe 7 that electronic clamping jaw 662 was centre gripping separates with filling board 521, and electric telescopic handle 64 axle resets, and closing plate 652 resets through spring 653, and closing plate 652 pushes away sealing plate 522 after resetting and seals casing 21 again, and personnel take freezing pipe 7 on the electronic clamping jaw 662, and when needs to store freezing pipe 7 in liquid nitrogen container 1, personnel place freezing pipe 7 on electronic clamping jaw 662 and repeat above-mentioned action and accomplish and store.
Claims (8)
1. A planet wheel type liquid nitrogen tank freezing pipe storage and removal device comprises: the device comprises a liquid nitrogen tank (1), a planet wheel (2), a positioning device (3), a suspension rod (4), a freezing box (5) and a shifting-out device (6);
the method is characterized in that: the liquid nitrogen tank (1) is used for refrigerating a plurality of freezing pipes (7), wherein an annular groove is formed in the lower end of the inner wall surface of the liquid nitrogen tank (1) in a surrounding mode, and a rectangular opening is formed in the top surface of the liquid nitrogen tank (1);
the planet gear (2) is horizontally arranged inside the liquid nitrogen tank (1), a gear ring of the planet gear (2) is meshed with the annular groove, a first motor (21) is connected above a sun gear of the planet gear (2), the first motor (21) is vertically arranged on the top surface of the liquid nitrogen tank (1), a shaft of the first motor (21) penetrates through the top surface of the liquid nitrogen tank (1) and extends downwards to be connected with the axis of the sun gear, and positioning pipes (22) are fixed at the axes of the bottoms of a plurality of planet pinions of the planet gear (2);
the positioning device (3) is arranged below the planet wheel (2);
the positioning device (3) comprises: a cylinder (31), a support rod (32) and a positioning shaft (33);
the cylinder (31) is arranged on the bottom surface of the liquid nitrogen tank (1), and the shaft of the cylinder (31) penetrates through the bottom surface of the liquid nitrogen tank (1) and extends to the inside;
the number of the positioning shafts (33) is the same as that of planet pinions of the planet wheels (2), and the positioning shafts are connected with the shafts of the cylinders (31) through supporting rods (32);
the number of the suspension rods (4) is the same as that of the planet pinions of the planet wheels (2), the suspension rods are respectively vertically fixed at the top surface axis positions of the planet pinions of the planet wheels (2) and are arranged along the axis direction of the planet pinions, wherein the upper ends of the suspension rods (4) are provided with a plurality of suspension hooks (41), and the number of the suspension hooks (41) is multiple;
the number of the freezing boxes (5) is the same as that of the hanging hooks (41), and the plurality of freezing boxes (5) are respectively arranged by taking the plurality of hanging rods (4) as axes;
the freezer compartment (5) comprises: a housing (51), a tray (52), a hanging hole (53), and a rising groove (54);
the shell (51) is a hollow rectangular body, the number of the shells is multiple, the wall surface of one side, close to the inner wall of the liquid nitrogen tank (1), of the shell (51) is open, a vertical rectangular through hole (511) is formed in the wall surface of one side, close to the suspension rod (4), of the shell (51), a plurality of air inlets (512) are formed in the other two side walls of the shell (51), liquid nitrogen enters the shell (51) through the air inlets (512), and the shells (51) are vertically arranged to form a shell of the freezing box (5);
the tray (52) includes: a loading plate (521), a sealing plate (522), and a push plate (523);
the number of the loading plates (521) is the same as that of the shell (51), the loading plates are inserted into the shell (51) along the open face of the shell through a slide way, and a plurality of circular through holes are arranged on the wall face of the loading plate (521);
the number of the sealing plates (522) is the same as that of the filling plates (521), and the middles of one side wall surfaces of the sealing plates (522) are connected with the open surfaces of the filling plates (521) positioned in the shell (51);
the quantity of the push plates (523) is the same as that of the sealing plates (522), the push plates are arranged on the opposite side of the sealing plates (522), and one end of the filling plate (521) is connected with the middle parts of the push plates (523);
the hanging hole (53) is a through hole at the extending part of the side wall surface of the freezing box (5) close to the hanging rod (4), wherein the hanging hook (41) is inserted into the hanging hole (53);
the ascending groove (54) is a groove on the top surface of the freezing box (5), and the other ascending grooves (54) are open except the side close to the hanging rod (4);
the shifting-out device (6) is arranged on the top surface of the liquid nitrogen tank (1) and is opposite to the opening on the top surface of the liquid nitrogen tank (1);
the removal device (6) comprises: the device comprises a mounting plate (61), a sealing cover (62), a lifting moving device (63), an electric telescopic rod (64), a closing device (65) and a grabbing device (66);
the mounting plates (61) are symmetrically arranged in two numbers and are positioned at two sides of the air inlet hole (512), wherein the opposite wall surfaces of the mounting plates (61) are provided with vertical downward sliding grooves (611);
the sealing cover (62) is arranged at the lower end of the mounting plate (61), the sealing cover (62) is inserted into an opening on the top surface of the liquid nitrogen tank (1) to seal the liquid nitrogen tank, wherein a traction plate (622) is arranged on the bottom surface of the sealing cover (62), the initial traction plate (622) is positioned below one lifting groove (54) and has a certain distance therebetween, pulleys (623) are arranged on two sides of the upper end of the sealing cover (62), and the pulleys (623) are respectively inserted into sliding grooves (611) on two sides;
the lifting moving device (63) is arranged at the upper end of the mounting plate (61);
the ascending movement device (63) includes: a shaft (631), a rope (632), a motor II (633);
the shaft (631) penetrates the upper ends of the two mounting plates (61);
one end of the rope (632) is connected with the shaft (631), and the other end is connected with the top surface of the sealing cover (62);
the second motor (633) is fixed on one side of a mounting plate (61), wherein the shaft of the second motor (633) is connected with the shaft (631);
the electric telescopic rod (64) is arranged on one side between the two mounting plates (61), wherein the axial extension direction of the electric telescopic rod (64) is opposite to the push plate (523);
the closing device (65) is arranged between the two mounting plates (61) and is positioned on the opposite side of the electric telescopic rod (64);
the above-mentioned closing device (65) comprises: a sliding bar (651), a closing plate (652), a spring (653);
the number of the slide bars (651) is two, one end of each slide bar is respectively fixed on one side wall surface opposite to the two mounting plates (61), and the length of each slide bar (651) is longer than that of the filling plate (521);
the two ends of the closing plate (652) are respectively connected to the two sliding rods (651), the height of the closing plate (652) is higher than that of the sealing plate (522), and the closing plate (652) can horizontally move on the two sliding rods (651);
the number of the springs (653) is two, one end of each spring is fixed at one end of the sliding rod (651) fixed with the mounting plate (61), and the other end of each spring is fixed with the closing plate (652);
the gripping device (66) is arranged above the closing device (65);
the gripping device (66) comprises: a movable belt (661) and an electric jaw (662);
the movable belt (661) is arranged in parallel with the closing plate (652);
the electric clamping jaw (662) is fixed at the lower end of the movable belt (661).
2. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device as claimed in claim 1, wherein: a ladder is arranged on one side, located on the shifting-out device (6), of the liquid nitrogen tank (1).
3. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device as claimed in claim 1, wherein: and the bottom surface of the liquid nitrogen tank (1) is provided with rollers.
4. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device as claimed in claim 1, wherein: the extending end of the shaft of the electric telescopic rod (64) is provided with a roller.
5. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device according to claim 4, characterized in that: and rollers are arranged on the opposite wall surfaces of the closing plate (652) and the sealing plate (522).
6. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device as claimed in claim 1, wherein: and a bearing is arranged at the top end of the positioning shaft (33).
7. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device as claimed in claim 1, wherein: the air inlet holes (512) are gradually reduced from outside to inside.
8. The planetary gear type liquid nitrogen tank freezing pipe storage and removal device as claimed in claim 1, wherein: the hanging hook (41) is composed of two rectangular plates which are arranged horizontally and vertically, and the hanging hole (53) is a rectangular through hole.
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| CN201910159231.XA CN109805002B (en) | 2019-03-04 | 2019-03-04 | Planet wheel type liquid nitrogen tank freezing pipe storage and shifting-out equipment |
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| CN201910159231.XA CN109805002B (en) | 2019-03-04 | 2019-03-04 | Planet wheel type liquid nitrogen tank freezing pipe storage and shifting-out equipment |
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| CN109805002B true CN109805002B (en) | 2021-07-02 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110692624B (en) * | 2019-10-11 | 2021-09-28 | 山东山大附属生殖医院有限公司 | Extraction device for cell cryopreservation |
| CN111937857B (en) * | 2020-07-03 | 2021-12-10 | 吉林省煜晖生物科技有限公司 | Biological medicine storage device convenient to use |
| CN111937856A (en) * | 2020-07-03 | 2020-11-17 | 李旭维 | Stem cell liquid nitrogen storage jar of access convenience |
| CN112916074B (en) * | 2021-01-21 | 2022-04-05 | 山西正一康生物科技有限公司 | A operation panel for freezing deposit cell |
| CN112938105B (en) * | 2021-02-03 | 2022-11-15 | 广州品捷生物科技有限公司 | Automatic storage system for deep hypothermia reproductive samples |
| CN113040132B (en) * | 2021-03-22 | 2022-03-25 | 浙江大学 | Sperm cryopreservation method based on protective agent |
| CN113879822A (en) * | 2021-09-18 | 2022-01-04 | 青岛普天智能制造股份有限公司 | Storing and taking device and method for frozen storage box |
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