CN112660220A

CN112660220A - Environment-friendly liquid nitrogen container transportation storage device

Info

Publication number: CN112660220A
Application number: CN202110065373.7A
Authority: CN
Inventors: 张守虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-04-16

Abstract

The invention relates to the field of transportation of environment-friendly liquid nitrogen tanks, in particular to an environment-friendly liquid nitrogen tank transportation and storage device which comprises a dragging support, a transportation box, a pulling rod, a fixed plate, a fixing mechanism, a driving mechanism, a linkage mechanism, a lifting mechanism and universal wheels, wherein the dragging support is of a U-shaped structure, the universal wheels are fixedly connected to four corners of the lower end of the dragging support, and the transportation box is connected in the dragging support in a sliding mode. The driving rotating rod through the driving mechanism rotates, the pulling rod can be rotated, so that the whole transport box can be conveniently pulled, the driving rotating shaft of the driving mechanism and the transmission of the driving gear can drive the driven gear and the driven rotating shaft of the lifting mechanism to rotate, the transport box can be positioned in the dragging support to vertically ascend, the condition that the liquid nitrogen container inclines when being pulled to be transported is effectively avoided, the liquid nitrogen container can be guaranteed to be kept upright in the transportation process, and the transportation safety of the liquid nitrogen container can be guaranteed.

Description

Environment-friendly liquid nitrogen container transportation storage device

Technical Field

The invention relates to the field of transportation of liquid nitrogen containers, in particular to an environment-friendly liquid nitrogen container transportation and storage device.

Background

The liquid nitrogen tank is a tank body used for storing liquid nitrogen, and generally can be divided into a liquid nitrogen storage tank and a liquid nitrogen transport tank, wherein the storage tank is mainly used for standing storage of indoor liquid nitrogen and is not suitable for long-distance transportation in a working state, and the liquid nitrogen transport tank is specially designed for meeting transportation conditions in a shockproof manner, can be used for standing storage and transportation in a liquid nitrogen filling state, but also can avoid severe collision and shock, and needs to ensure that the liquid nitrogen tank is kept upright during transportation.

When carrying out the transportation simultaneously to a plurality of liquid nitrogen container, generally put liquid nitrogen container neatly together, when meetting the road and jolting or rocking, the condition of collision each other will appear in two adjacent liquid nitrogen container, not only cause the damage of the jar body easily, but also cause the gas leakage in the liquid nitrogen container easily, simultaneously for the convenient shallow that is equipped with the liquid nitrogen container of pulling, the slope is placed when pushing away the normal vehicle, lead to the liquid nitrogen container also to become the slope and place on the shallow, cause certain potential safety hazard, and all can install the universal wheel in transport case lower extreme four corners, when loading and unloading the liquid nitrogen container on the transport case, can only be through the fixture block with the universal wheel card post, not only the operation is comparatively troublesome, and also can't guarantee the absolute stability of transport case, when loading and unloading the liquid nitrogen container, the condition that the transport case rocked still can appear.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an environment-friendly liquid nitrogen tank transportation and storage device.

The technical scheme adopted by the invention for solving the technical problems is as follows: an environment-friendly liquid nitrogen tank transportation and storage device comprises a dragging support, a transportation box, a pulling rod, fixed plates, a fixed mechanism, a driving mechanism, a linkage mechanism, a lifting mechanism and universal wheels, wherein the dragging support is of a U-shaped structure, the universal wheels are fixedly connected with four corners at the lower end of the dragging support, the transportation box is slidably connected in the dragging support, two fixed plates are fixedly connected in the transportation box, the fixed mechanism is arranged in the fixed plates, the middle position of the upper end of the dragging support, far away from the opening side of the dragging support, is rotatably connected with the pulling rod, the driving mechanism is arranged between the pulling rod and the transportation box, a linkage groove is arranged in the side wall of the dragging support, far away from the opening side, a linkage groove is arranged in the middle position of the side wall at the upper end of the linkage groove, elevating system sets up in the mounting groove, pull rod upper end fixedly connected with annular and draw the handle, transport case lower extreme fixedly connected with antiskid backing plate.

Specifically, the fixing mechanism comprises fixing chutes, fixing sliding plates, limiting grooves, fixing gear rings and second fixing gears, the fixing chutes are all arranged in the fixing plate and are symmetrically distributed in the fixing plate, the fixing chutes are all rotationally connected with a fixing rotating shaft at the middle position of the fixing chutes, the fixing rotating shaft is all fixedly connected with a first fixing gear, the fixing sliding grooves are all slidably connected with a fixing sliding plate at the two ends of the fixing chutes, the ends of the fixing sliding plates far away from the fixing sliding plates are both arc-shaped structures, the fixing chutes are both slidably connected with a fixing gear plate at the two sides of the first fixing gear, the ends of the fixing gear plates near the first fixing gear are all meshed with the first fixing gear, the ends of the fixing gear plates far away from the fixing sliding plates are all fixedly connected with the corresponding fixing sliding plates near one side, the side wall of the transport case is provided with a limit groove corresponding to the fixed sliding groove, and the limit groove is fixedly connected with an anti-skid rubber pad.

Specifically, the fixed rotating shaft upper end all passes fixed spout and fixed handle of equal fixedly connected with, fixed gear ring of the equal fixedly connected with in fixed handle periphery, the fixed slot is all seted up in the fixed plate upper end and is located fixed handle intermediate position, sliding connection has a fixed frame in the fixed slot, fixed spring of fixedly connected with in the fixed frame, fixed spring lower extreme fixed connection is in the fixed slot bottom, fixed frame upper end passes a second fixed gear of fixed slot and fixedly connected with, the second fixed gear is connected with the equal inner gearing of fixed gear ring, a pulling handle of the equal fixedly connected with of second fixed gear upper end intermediate position.

Specifically, actuating mechanism includes drive groove, threaded rod, rotatory handle, drive slider, drive bull stick and first bearing, the drive groove is seted up in the transport case and is close to in one side lateral wall of pulling rod and the position corresponding with the pulling rod, drive inslot swivelling joint has a threaded rod, threaded rod upper end is passed a rotatory handle of drive groove and fixedly connected with, drive slider sliding connection is in the drive inslot, the threaded rod pass drive slider and with drive slider threaded connection, drive groove both ends and the equal first bearing of fixedly connected with of threaded rod junction.

Specifically, the drive slider is close to and pulls pole one side and passes a first connecting block of drive groove and fixedly connected with, first connecting block sliding connection is at the transport case lateral wall, second connecting block fixed connection is being close to transport case one side intermediate position at the pulling pole, swivelling joint has a drive bull stick between first connecting block and the second connecting block.

Specifically, the linkage mechanism comprises a fixed support, a connecting rotating roller, a ring gear plate, a driving rotating shaft, a driving gear, a second bearing and a driving bevel gear, wherein the fixed support is fixedly connected at the joint of the dragging support and the dragging rod, a connecting rotating shaft is rotatably connected between the fixed supports, the connecting rotating shaft is fixedly connected with a connecting rotating roller, the upper end of the connecting rotating roller is fixedly connected with the dragging rod, the lower end of the connecting rotating roller is positioned in the connecting groove and is fixedly connected with the ring gear plate, the driving rotating shaft is rotatably connected in the connecting groove, the driving gear is fixedly connected on the driving rotating shaft and corresponds to the ring gear plate, the upper end of the driving gear is meshed with the connecting groove and is connected with the ring gear plate, and the joints of the two ends of the driving rotating shaft and the two ends of the connecting groove are fixedly, the driving rotating shaft extends through the connecting groove at two ends and is fixedly connected with a driving gear in the corresponding mounting groove.

Concretely, elevating system includes driven shaft, third bearing, driven bevel gear, lift slide, lift gear board, lift spout and driven gear, driven shaft swivelling joint is in the mounting groove, driven shaft is last and with a driven bevel gear of linkage's the corresponding position fixedly connected with of initiative bevel gear, initiative bevel gear and driven bevel gear all mesh and be connected, driven shaft and the equal fixed connection of mounting groove lateral wall junction have a third bearing.

The lifting slide plate is connected with the side wall of the transport case in a symmetrical mode, the lifting slide plate is far away from a lifting gear plate of the equal fixedly connected with on one side of the transport case, the lifting slide groove is arranged on the side wall of the mounting groove and corresponds to the lifting slide plate in position, the lifting slide plate is connected with the lifting slide groove in a sliding mode, a driven gear is fixedly connected with the corresponding position of the lifting slide plate in a driven rotating shaft, and the driven gear is connected with the corresponding lifting gear plate in an engaged mode.

The invention has the beneficial effects that:

(1) the driving rotating rod of the driving mechanism rotates to drive the pulling rod to rotate, so that the whole transport box is conveniently pulled, the driven gear and the driven rotating shaft of the lifting mechanism can be driven to rotate through the transmission of the driving rotating shaft and the driving gear of the transmission mechanism, the transport box can be vertically lifted in the dragging support, the condition that the liquid nitrogen tank is inclined when the liquid nitrogen tank is pulled to transport is effectively avoided, the liquid nitrogen tank can be guaranteed to be upright in the transport process, and the transport safety of the liquid nitrogen tank can be guaranteed.

(2) When the pulling rod is rotated to pull and transport the liquid nitrogen tank, the transport box can be lifted, and the anti-skid base plate is lifted to be separated from the ground, so that the transport box is pulled to move and transport through the rotation of the universal wheels, when the liquid nitrogen tank in the transport box is loaded and unloaded, the transport box can be put down, the anti-skid base plate is in contact with the ground, the friction force between the transport box and the ground is increased, the transport box can be free from the influence of the universal wheels, the transport box is kept stable on the ground, and the transport box is prevented from shaking when the liquid nitrogen tank is loaded and unloaded.

(3) The liquid nitrogen container is extruded and fixed by the fixing sliding plate of the fixing mechanism, so that the liquid nitrogen containers are stable in the transportation process, the condition that two adjacent liquid nitrogen containers collide when the transport case is transported to bump is effectively avoided, and the safety of the liquid nitrogen containers in the transportation process is further improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a front cut-away structure provided by the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a top-down cut-away structure of the dragging support provided by the present invention;

FIG. 5 is an enlarged view of the structure at C of FIG. 4 according to the present invention;

FIG. 6 is a sectional view of the transportation box of the present invention, viewed from above, in a fixed position;

FIG. 7 is a schematic top view of the present invention;

fig. 8 is a cross-sectional structural diagram of the side surface of the connection between the transport box and the dragging bracket provided by the invention.

In the figure: 1. dragging the bracket; 2. a transport case; 3. pulling a rod; 4. a fixing plate; 5. a fixing mechanism; 51. fixing the chute; 52. fixing the rotating shaft; 53. a first fixed gear; 54. a fixed gear plate; 55. fixing the sliding plate; 56. a limiting groove; 57. an anti-slip rubber pad; 58. fixing a handle; 59. a fixed gear ring; 510. fixing grooves; 511. fixing the frame; 512. fixing the spring; 513. a second fixed gear; 514. pulling the handle; 6. a drive mechanism; 61. a drive slot; 62. a threaded rod; 63. rotating the handle; 64. driving the slide block; 65. a first connection block; 66. a second connecting block; 67. driving the rotating rod; 68. a first bearing; 7. a linkage mechanism; 71. fixing a bracket; 72. connecting the rotating shaft; 73. connecting the rotary roller; 74. an annular gear plate; 75. a driving rotating shaft; 76. a driving gear; 77. a second bearing; 78. a driving bevel gear; 8. a lifting mechanism; 81. a driven rotating shaft; 82. a third bearing; 83. a driven bevel gear; 84. a lifting slide plate; 85. a lifting gear plate; 86. a lifting chute; 87. a driven gear; 9. a linkage groove; 10. mounting grooves; 11. connecting grooves; 12. a universal wheel; 13. an anti-skid backing plate; 14. and (4) a ring-shaped pull handle.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figures 1-8, the environment-friendly liquid nitrogen tank transportation and storage device comprises a dragging support 1, a transportation box 2, a pulling rod 3, a fixed plate 4, a fixed mechanism 5, a driving mechanism 6, a linkage mechanism 7, a lifting mechanism 8 and universal wheels 12, wherein the dragging support 1 is of a U-shaped structure, the universal wheels 12 are fixedly connected with four corners of the lower end of the dragging support 1, the transportation box 2 is connected in the dragging support 1 in a sliding manner, the two fixed plates 4 are fixedly connected in the transportation box 2, the fixed mechanism 5 is arranged in the fixed plate 4, the pulling rod 3 is rotatably connected at the middle position of one side, away from an opening of the dragging support 1, of the upper end of the dragging support 1, the driving mechanism 6 is arranged between the pulling rod 3 and the transportation box 2, a linkage groove 9 is formed in the side wall of the dragging support 1, away from the opening, a spread groove 11 has been seted up to the 9 upper end lateral walls intermediate positions of link groove, a mounting groove 10 has all been seted up in both sides lateral wall around dragging support 1, elevating system 8 sets up in mounting groove 10, pull rod 3 upper end fixedly connected with annular pull handle 14, 2 lower extreme fixedly connected with anti-skidding backing plate 13 of transport case, through transport case 2 downstream, make anti-skidding backing plate 13 lower extreme can with ground contact, increased transport case 2 and be located subaerial stability, avoided when loading and unloading liquid nitrogen container, the condition that transport case 2 rocked appears.

Specifically, the driving mechanism 6 includes a driving groove 61, a threaded rod 62, a rotating handle 63, a driving slider 64, a driving rotating rod 67 and a first bearing 68, the driving groove 61 is opened in the side wall of the transportation box 2 near one side of the pulling rod 3 and the position of the driving groove corresponds to the pulling rod 3, the threaded rod 62 is rotatably connected in the driving groove 61, the upper end of the threaded rod 62 passes through the driving groove 61 and is fixedly connected with the rotating handle 63, the driving slider 64 is slidably connected in the driving groove 61, the threaded rod 62 passes through the driving slider 64 and is in threaded connection with the driving slider 64, the first bearing 68 is fixedly connected at the connection position of the two ends of the driving groove 61 and the threaded rod 62, the driving slider 64 passes through the driving groove 61 near one side of the pulling rod 3 and is fixedly connected with a first connecting block 65, the first connecting block 65 is slidably connected on the outer side wall of the transportation, second connecting block 66 fixed connection is being close to transport case 2 one side intermediate position at the pulling rod 3, swivelling joint has a drive bull stick 67 between first connecting block 65 and the second connecting block 66, drives threaded rod 62 through rotatory handle 63 and rotates to can make rotatory handle 63 be located and slide in the drive groove 61, and drive bull stick 67 and rotate, make drive bull stick 67 keep away from first connecting block 65 one end and promote the pulling rod 3 and rotate.

Specifically, the linkage mechanism 7 includes a fixed bracket 71, a connecting rotating roller 73, an annular gear plate 74, a driving rotating shaft 75, a driving gear 76, a second bearing 77 and a driving bevel gear 78, the fixed bracket 71 is fixedly connected at the joint of the dragging bracket 1 and the dragging rod 3, the fixed bracket 71 is rotatably connected with the connecting rotating shaft 72 between the fixed brackets 71, the connecting rotating shaft 72 is fixedly connected with the connecting rotating roller 73, the upper end of the connecting rotating roller 73 is fixedly connected with the dragging rod 3, the lower end of the connecting rotating roller 73 is positioned in the connecting groove 11 and is fixedly connected with the annular gear plate 74, the driving rotating shaft 75 is rotatably connected in the connecting groove 11, the driving gear 76 is fixedly connected on the driving rotating shaft 75 and corresponds to the annular gear plate 74, the upper end of the driving gear 76 is engaged with the connecting groove 11 and is connected with the annular gear plate 74, the equal fixedly connected with second bearing 77 in drive pivot 75 both ends and the both ends junction of spread groove 11, drive pivot 75 both ends all extend through spread groove 11 and all are located a driving gear 76 of corresponding mounting groove 10 internal fixation connection, rotate with connecting commentaries on classics roller 73 through connecting pivot 72, when ring gear board 74 rotates with connecting commentaries on classics roller 73 along connecting pivot 72, will drive driving gear 76 and follow ring gear board 74 synchronous rotation, will drive pivot 75 finally and rotate, make the initiative bevel gear 78 that is located mounting groove 10 follow drive pivot 75 synchronous rotation.

Specifically, elevating system 8 includes driven shaft 81, third bearing 82, driven bevel gear 83, lift slide 84, lifting gear plate 85, lift spout 86 and driven gear 87, driven shaft 81 swivelling joint is in mounting groove 10, driven shaft 81 go up and with a driven bevel gear 83 of the corresponding position fixedly connected with of the initiative bevel gear 78 of link gear 7, initiative bevel gear 78 all meshes with driven bevel gear 83 and is connected, driven shaft 81 all fixedly connected with a third bearing 82 with mounting groove 10 lateral wall junction, the equal fixed connection of lift slide 84 is at the transport case 2 lateral wall and is located transport case 2 lateral wall symmetric distribution, lift slide 84 keeps away from transport case 2 one side and all fixedly connected with a lifting gear plate 85, lift spout 86 all sets up in mounting groove 10 lateral wall and the position is corresponding with lift slide 84, the lift slide 84 all with sliding connection in corresponding lift spout 86, driven gear 87 of the equal fixedly connected with in driven spindle 81 and the corresponding position of lift slide 84, driven gear 87 all meshes with corresponding lift gear board 85 and is connected, follows initiative pivot 75 synchronous rotation through driven spindle 81 and driven gear 87, will drive lift gear board 85 and be located lift spout 86 and upwards slide finally to make transport case 2 can be located and drag support 1 and upwards slide, finally break away from the skid-resistant plate 13 of transport case 2 lower extreme with ground.

Specifically, the fixing mechanism 5 includes a fixing chute 51, a fixing sliding plate 55, a limiting groove 56, a fixing groove 510, a fixing gear ring 59 and a second fixing gear 513, the fixing chute 51 is disposed in the fixing plate 4 and symmetrically disposed in the fixing plate 4, a fixing rotating shaft 52 is rotatably connected to the fixing chute 51 and located in the middle of the fixing chute 51, a first fixing gear 53 is fixedly connected to the fixing rotating shaft 52, a fixing sliding plate 55 is slidably connected to both ends of the fixing chute 51 in the fixing chute 51, the end of the fixing sliding plate 55 away from the fixing sliding plate is an arc-shaped structure, a fixing gear plate 54 is slidably connected to both sides of the first fixing gear 53 in the fixing chute 51, and the end of the fixing gear plate 54 close to the first fixing gear 53 is engaged with the first fixing gear 53, the ends, far away from each other, of the fixed gear plates 54 are fixedly connected to the sides, close to each other, of the corresponding fixed sliding plates 55, the side walls of the transport case 2 are provided with a limiting groove 56 at positions corresponding to the fixed sliding grooves 51, the limiting grooves 56 are internally and fixedly connected with anti-skidding rubber mats 57, the upper ends of the fixed rotating shafts 52 penetrate through the fixed sliding grooves 51 and are fixedly connected with a fixed handle 58, the peripheries of the fixed handles 58 are fixedly connected with a fixed gear ring 59, the fixed grooves 510 are respectively arranged at the upper ends of the fixed plates 4 and are positioned in the middle of the fixed handles 58, the fixed grooves 510 are internally and slidably connected with a fixed frame 511, the fixed frames 511 are internally and fixedly connected with a fixed spring 512, the lower ends of the fixed springs 512 are fixedly connected to the bottoms of the fixed grooves 510, and the upper ends of the fixed frames, the second fixed gear 513 is in inner engagement with the fixed gear ring 59, a pulling handle 514 is fixedly connected to the middle position of the upper end of the second fixed gear 513, and is located in the fixed sliding groove 51 through the fixed rotating shaft 52 to rotate, so that the first fixed gear 53 can be driven to rotate, the fixed gear plate 54 can be located in the fixed sliding groove 51 to slide towards one side away from each other, the fixed sliding plate 55 is located in the fixed sliding groove 51 to slide towards one side away from each other, and finally one end, away from each other, of the fixed sliding plate 55 penetrates through the fixed sliding groove 51, and the liquid nitrogen tank is pushed to be clamped in the limiting groove 56.

When in use, the liquid nitrogen container is placed in the transportation box 2 and aligned with the limit groove 56, the pulling handle 514 is pulled, the pulling handle 514 drives the second fixed gear 513 to move upwards, finally the second fixed gear 513 stretches the fixed spring 512, the second fixed gear 513 is disconnected from the fixed gear ring 59, the fixed handle 58 can rotate freely, when the fixed handle 58 is rotated, the fixed rotating shaft 52 is driven to rotate in the fixed chute 51, so that the first fixed gear 53 can be driven to rotate, the fixed gear plate 54 can slide to the side far away from each other in the fixed chute 51, the fixed sliding plate 55 can slide to the side far away from each other in the fixed chute 51, finally the end far away from the fixed sliding plate 55 passes through the fixed chute 51, and the liquid nitrogen container is pushed to be clamped in the limit groove 56, so that the liquid nitrogen container can be fixed in the transportation box 2, then the rotating handle 63 is rotated to make the rotating handle 63 drive the threaded rod 62 to rotate, so that the rotating handle 63 can slide in the driving slot 61, and drive the driving rotating rod 67 to rotate, so that the end of the driving rotating rod 67 far away from the first connecting block 65 pushes the pulling rod 3 to rotate, and finally drive the connecting rotating shaft 72 and the connecting rotating roller 73 to rotate, when the annular gear plate 74 rotates along with the connecting rotating shaft 72 and the connecting rotating roller 73, the driving gear 76 is driven to rotate synchronously along with the annular gear plate 74, and finally the driving rotating shaft 75 is driven to rotate, so that the driving bevel gear 78 in the mounting slot 10 rotates synchronously along with the driving rotating shaft 75, and under the transmission of the driven bevel gear 83, the driven rotating shaft 81 and the driven gear 87 can rotate synchronously along with the driving rotating shaft 75, and finally drive the lifting gear plate 85 to slide upwards in the lifting sliding slot 86, so that the transport box 2 can slide upwards in the dragging bracket 1, finally break away from the skid resistant pad 13 of transport case 2 lower extreme with ground, pull the annular at last and draw 14, and rotation through universal wheel 12, can easily transport the liquid nitrogen container in transport case 2 and the transport case 2, when need lift the liquid nitrogen container off from transport case 2, direct antiport rotates rotatory handle 63 simultaneously, and through the aforesaid linkage, can make transport case 2 downstream, make skid resistant pad 13 lower extreme can contact with ground, transport case 2 has been increased and has been located subaerial stability, when having avoided loading and unloading liquid nitrogen container, the condition that transport case 2 rocked appears.

The invention has the beneficial effects that:

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an environment-friendly liquid nitrogen container transportation storage device which characterized in that: comprises a dragging support (1), a transport case (2), a dragging rod (3), fixed plates (4), a fixing mechanism (5), a driving mechanism (6), a linkage mechanism (7), a lifting mechanism (8) and universal wheels (12), and is characterized in that the dragging support (1) is of a U-shaped structure, the universal wheels (12) are fixedly connected with four corners of the lower end of the dragging support (1), the transport case (2) is connected in the dragging support (1) in a sliding manner, the two fixed plates (4) are fixedly connected in the transport case (2), the fixing mechanism (5) is arranged in the fixed plates (4), the middle position of one side, far away from the opening of the dragging support (1), of the upper end of the dragging support (1) is rotatably connected with one dragging rod (3), the driving mechanism (6) is arranged between the dragging rod (3) and the transport case (2), and a linkage groove (9) is arranged in the side wall, far away from the opening side, of the, a spread groove (11) has been seted up to linkage groove (9) upper end lateral wall intermediate position, a mounting groove (10) have all been seted up in both sides lateral wall around dragging support (1), elevating system (8) set up in mounting groove (10), pull rod (3) upper end fixedly connected with annular and draw handle (14), antiskid backing plate (13) of transport case (2) lower extreme fixedly connected with.

2. The environment-friendly liquid nitrogen container transportation and storage device of claim 1, wherein: the fixing mechanism (5) comprises a fixing chute (51), a fixing sliding plate (55), a limiting groove (56), a fixing groove (510), a fixing gear ring (59) and a second fixing gear (513), wherein the fixing chute (51) is arranged in the fixing plate (4) and is symmetrically distributed in the fixing plate (4), the fixing chute (51) is arranged in the middle of the fixing chute (51) and is rotatably connected with a fixing rotating shaft (52), the fixing rotating shaft (52) is fixedly connected with a first fixing gear (53), the fixing chute (51) is arranged in the two ends of the fixing chute (51) and is slidably connected with a fixing sliding plate (55), the ends of the fixing sliding plate (55) far away from each other are arc-shaped structures, the fixing chute (51) is arranged in the two sides of the first fixing gear (53) and is slidably connected with a fixing gear plate (54), the fixed gear plate (54) is close to first fixed gear (53) one end all and is connected with first fixed gear (53) meshing, fixed gear plate (54) keep away from the equal fixed connection of one end mutually and is close to one side in corresponding fixed slide (55), a spacing groove (56) has all been seted up to transport case (2) lateral wall and with fixed spout (51) corresponding position, fixedly connected with non-slip rubber pad (57) in spacing groove (56).

3. The environment-friendly liquid nitrogen container transportation and storage device of claim 2, wherein: the upper ends of the fixed rotating shafts (52) penetrate through the fixed sliding chutes (51) and are fixedly connected with fixed handles (58), the periphery of the fixed handle (58) is fixedly connected with a fixed gear ring (59), the fixing grooves (510) are all arranged at the upper end of the fixing plate (4) and are positioned in the middle of the fixing handle (58), a fixed frame (511) is connected in the fixed groove (510) in a sliding way, a fixed spring (512) is fixedly connected in the fixed frame (511), the lower end of the fixed spring (512) is fixedly connected with the bottom of the fixed groove (510), the upper end of the fixed frame (511) penetrates through the fixed groove (510) and is fixedly connected with a second fixed gear (513), the second fixed gear (513) is in inner meshing connection with the fixed gear ring (59), and the middle position of the upper end of each second fixed gear (513) is fixedly connected with a pulling handle (514).

4. The environment-friendly liquid nitrogen container transportation and storage device of claim 1, wherein: actuating mechanism (6) are including drive groove (61), threaded rod (62), rotatory handle (63), drive slider (64), drive bull stick (67) and first bearing (68), drive groove (61) are seted up and are close to in one side lateral wall of pulling rod (3) and the position is corresponding with pulling rod (3) in transport case (2), drive groove (61) internal rotation is connected with a threaded rod (62), threaded rod (62) upper end is passed drive groove (61) and a rotatory handle (63) of fixedly connected with, drive slider (64) sliding connection is in drive groove (61), threaded rod (62) pass drive slider (64) and with drive slider (64) threaded connection, drive groove (61) both ends and threaded rod (62) junction first bearing (68) of equal fixedly connected with.

5. The environment-friendly liquid nitrogen container transportation and storage device of claim 4, wherein: drive slider (64) are close to and pull pole (3) one side and pass first connecting block (65) of drive groove (61) and fixedly connected with, first connecting block (65) sliding connection is at transport case (2) lateral wall, second connecting block (66) fixed connection is pulling pole (3) and is close to transport case (2) one side intermediate position, swivelling joint has a drive bull stick (67) between first connecting block (65) and second connecting block (66).

6. The environment-friendly liquid nitrogen container transportation and storage device of claim 1, wherein: the linkage mechanism (7) comprises a fixed support (71), a connecting rotating roller (73), an annular gear plate (74), a driving rotating shaft (75), a driving gear (76), a second bearing (77) and a driving bevel gear (78), wherein the fixed support (71) is fixedly connected at the joint of the dragging support (1) and the dragging rod (3), a connecting rotating shaft (72) is rotatably connected between the fixed supports (71), the connecting rotating shaft (72) is fixedly connected with the connecting rotating roller (73), the upper end of the connecting rotating roller (73) is fixedly connected with the dragging rod (3), the lower end of the connecting rotating roller (73) is positioned in the connecting groove (11) and is fixedly connected with the annular gear plate (74), the driving rotating shaft (75) is rotatably connected in the connecting groove (11), the driving rotating shaft (75) is fixedly connected with the driving gear (76) at a position corresponding to the annular gear plate (74), driving gear (76) upper end position and spread groove (11) in and be connected with ring gear board (74) meshing, the equal fixedly connected with second bearing (77) of the junction in initiative pivot (75) both ends and spread groove (11) both ends, the equal extension in initiative pivot (75) both ends is spread groove (11) and is all located a driving gear (76) of fixedly connected with in corresponding mounting groove (10).

7. The environment-friendly liquid nitrogen container transportation and storage device of claim 1, wherein: elevating system (8) are including driven rotating shaft (81), third bearing (82), driven bevel gear (83), lift slide (84), lifting gear board (85), lift spout (86) and driven gear (87), driven rotating shaft (81) swivelling joint is in mounting groove (10), driven rotating shaft (81) go up and with driven bevel gear (83) of the corresponding position fixedly connected with of initiative bevel gear (78) of link gear (7), initiative bevel gear (78) are all engaged with driven bevel gear (83) and are connected, driven rotating shaft (81) and mounting groove (10) lateral wall junction are all fixedly connected with a third bearing (82).

8. The environment-friendly liquid nitrogen container transportation and storage device of claim 7, wherein: the equal fixed connection of lift slide (84) just is located transport case (2) lateral wall symmetric distribution at transport case (2), lift slide (84) are kept away from transport case (2) one side equal fixedly connected with lifting gear board (85), it is corresponding with lift slide (84) all to set up in mounting groove (10) lateral wall and position in lift spout (86), lift slide (84) all with sliding connection in corresponding lift spout (86), driven gear (87) of the equal fixedly connected with in corresponding position of driven shaft (81) and with lift slide (84), driven gear (87) are connected with the equal meshing of corresponding lifting gear board (85).