Liquid oxygen tank transportation equipment for liquid oxygen production

Abstract

The invention relates to the field of liquid oxygen tank transportation, and discloses liquid oxygen tank transportation equipment for liquid oxygen production, the liquid oxygen tank transportation equipment comprises a moving vehicle, a grip and rollers, the rollers are installed at the positions, close to the four corners, of the lower portion of the moving vehicle, and supports are connected to the positions, close to the middle, of the left side edge of the upper portion of the moving vehicle; a first fixing rod is fixedly connected between the top ends of the two supports, a grip is arranged on the first fixing rod, a liquid oxygen tank can be automatically lifted from the ground to a mobile vehicle to be transported through the material supporting structure and the lifting structure, after the liquid oxygen tank is transported to a destination, the transported liquid oxygen tank can be automatically put down, operation is more labor-saving and convenient, and the efficiency is improved. By means of the limiting protection structure, when the liquid oxygen tank is lifted up, the position of the moving trolley is conveniently limited, the transportation work efficiency is improved, meanwhile, in the liquid oxygen tank lifting and transporting process, the liquid oxygen tank can be protected, and the problem that the liquid oxygen tank shakes and topples over is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid oxygen tank transportation, and in particular to a liquid oxygen tank transportation device used for liquid oxygen production. Background Art

[0002] Liquid oxygen tanks are containers for storing liquid oxygen. Liquid oxygen tanks have an inner tank, an insulation layer (or vacuum layer), and an outer shell. They are divided into two types: vertical and horizontal. When transporting liquid oxygen tanks, transportation equipment is required; The liquid oxygen tank transportation equipment in the prior art can have a shock-absorbing effect through a coordinated design, thereby avoiding the problem of vibration of the liquid oxygen storage tank during movement and causing damage due to collision, thereby improving the transportation and movement effect of the liquid oxygen storage tank during liquid oxygen purification and impurity removal, and through the coordinated design of the squeeze block, the device can tightly fix liquid oxygen storage tanks of different sizes, thereby improving the mobile transportation and use effect of the liquid oxygen storage tank during liquid oxygen purification and impurity removal; The transportation equipment in the prior art needs to move the liquid oxygen tank to be transported into a carrying frame and then transport it. After transporting it to the destination, it is necessary to move the transported liquid oxygen tank out of the carrying frame again. If the liquid oxygen tank is moved manually, it will be time-consuming and labor-intensive. If it is moved by lifting equipment, the transportation cost will increase. Therefore, there is room for improvement. Summary of the invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides a liquid oxygen tank transportation equipment for liquid oxygen production.

[0004] The present invention provides a liquid oxygen tank transportation device for liquid oxygen production, which adopts the following technical solution: A liquid oxygen tank transportation device for liquid oxygen production, comprising a mobile vehicle, a handle and rollers, wherein rollers are installed at positions near four corners below the mobile vehicle, brackets are connected to positions near the middle of the left edge above the mobile vehicle, a first fixing rod is fixedly connected between the tops of two brackets, a handle is provided on the first fixing rod, a tightening structure is provided between the handle and the bracket, a fixing seat is installed at a position near the middle of the mobile vehicle, a lifting structure is provided on the fixing seat, a material supporting structure is provided at positions near the inner walls on both sides of the front and rear sides of the mobile vehicle, and a limited position protection structure is provided in the middle of the left inner wall of the mobile vehicle; The material supporting structure includes two supporting plates arranged in the moving vehicle near the inner walls on the front and rear sides, the two supporting plates are installed on the lifting structure, and a hydraulic cylinder is installed in the middle of the two supporting plates away from each other on one side. The moving vehicle is provided with a through opening for the hydraulic cylinder to pass through, and a guide groove is provided on the top of the supporting plate. A moving plate is slidably arranged in the guide groove, one end of the hydraulic cylinder output shaft is connected to the moving plate, and a drag seat is installed on the end of the moving plate passing through the guide groove through the mounting structure, and a concave groove is provided on the drag seat.

[0005] Preferably, the lifting structure includes a first vertical groove opened at the front and rear sides below the right side surface of the fixed seat, a screw rod is rotatably connected to the bottom groove wall of the first vertical groove, a motor is installed on the fixed seat directly above each screw rod, the bottom end of the motor output shaft is connected to the top end of the screw rod, a lifting plate is passed through the bottom end of the first vertical groove, a threaded groove is opened on the lifting plate for the screw rod to pass through, and one end of the lifting plate is connected to the support plate.

[0006] Preferably, the mounting structure includes a plug plate connected to the trailer near the support plate, the plug plate is movably inserted into a mounting groove provided on the movable plate, a mounting plate is fixedly sleeved on the plug plate and is tightly attached to the end surface of the movable plate, and the mounting plate is fastened to the movable plate by bolts.

[0007] Preferably, the limit protection structure includes a fixed plate connected to the middle of the left inner wall of the mobile vehicle, a fastening plate is installed on the fixed plate, a limit plate is installed on the side of the fastening plate away from the fixed plate, the limit plate is an arc-shaped plate, two rotating rods are rotatably connected to the limit plate near the middle, a protection frame is fixedly sleeved on the two rotating rods, a plurality of first buffer structures are arranged on the protection frame, an upper limit structure is arranged at the top end inside the protection frame, a transmission structure is arranged between the two rotating rods and the lifting plate, and a second buffer structure is arranged at the top end outside the protection frame.

[0008] Preferably, the transmission structure includes a gear sleeved at the bottom end of each rotating rod, a transverse groove is provided on the fastening plate, a guide rod is connected between the groove walls at both ends of the transverse groove, a driving plate is provided in the transverse groove, a through hole is provided on the driving plate for the guide rod to pass through, a guide groove is provided at a position near the bottom of the driving plate, the guide groove is in an "S" shape, a driving rod movably passes through the bottom end of the guide groove, the two ends of the driving rod are respectively connected to two lifting plates, the driving rod passes through a through groove provided on the groove wall of the first vertical groove, and a driving strip attached to the upper surface of the fastening plate is connected to the driving plate, and the driving strip is provided with teeth meshing with the gear.

[0009] Preferably, the first buffer structure includes a plurality of T-shaped rods that movably pass through the protective frame, each group of the plurality of T-shaped rods are distributed in the same vertical direction, an arc-shaped buffer strip is connected to one end of each of the T-shaped rods, and a first spring is sleeved on each of the T-shaped rods, and both ends of the first spring are respectively connected to the protective frame and the other end of the T-shaped rod.

[0010] Preferably, the upper limit structure includes a first vertical bar connected to the upper part of the inner wall of the protective frame, a second vertical groove is opened on the first vertical bar along its height direction, a first vertical rod is connected between the upper and lower end walls of the second vertical groove, a thread is arranged on the first vertical rod, a limiting edge passes through the second vertical groove, a threaded groove is opened on the limiting edge for the first vertical rod to pass through, and a turntable is fixed on the top end of the first vertical rod.

[0011] Preferably, the second buffer structure includes a second vertical bar installed on the upper outside of the protective frame, a second fixed rod is connected to the top of the second vertical bar away from a side of the protective frame, a first set of plates is movably mounted on the second fixed rod, a buffer block is installed on the end of the first set of plates away from the second fixed rod, a third vertical slot is formed in the second vertical bar at a position below the second fixed rod, a second vertical rod is connected between the upper and lower end slot walls of the third vertical slot, a lifting block is movably mounted on the second vertical rod near the middle, a curved rod is rotatably connected between the lifting block and the first set of plates, and a second spring is connected between the lifting block and the upper slot wall of the third vertical slot.

[0012] Preferably, the clamping structure includes a rotating sleeve rotatably sleeved on both ends of the first fixed rod, the rotating sleeve is connected to a third fixed rod, the third fixed rod is movably sleeved with a second set of plates, the third fixed rod is sleeved with a third spring, both ends of the third spring are respectively connected to the second set of plates and the rotating sleeve, the handle is connected to an end of the second set of plates away from the rotating sleeve, a plug rod is fixedly passed through a position of the second set of plates close to the third fixed rod, an arc groove is provided at a position of the bracket close to the second set of plates, slots are provided on the groove walls at both ends of the arc groove, one end of the plug rod is movably inserted into the slot at the corresponding position, a fixed frame is installed on one side surface of the two brackets close to each other, a vertical plate is movably passed through each of the fixed frames, a clamping plate is connected to the bottom end of the two vertical plates passing through the moving vehicle, a T-shaped plate is connected to the top of the vertical plate, a through slot is provided on the T-shaped plate, a driving frame is connected between the two rotating sleeves, and the driving frame movably passes through the through slot.

[0013] In summary, the present invention includes the following beneficial technical effects: 1. The present invention provides a supporting structure, a lifting structure and a position limiting protection structure on the mobile vehicle. When the supporting structure on the mobile vehicle is pushed to move the liquid oxygen tank to be transported, the supporting structure and the lifting structure can automatically lift the liquid oxygen tank from the ground to the mobile vehicle for transportation. After being transported to the destination, the transported liquid oxygen tank can be automatically put down, which is more labor-saving and convenient to operate. The position limiting protection structure can be used to limit the position of the mobile vehicle when the liquid oxygen tank is lifted, thereby improving the transportation efficiency. At the same time, in the process of lifting and transporting the liquid oxygen tank, the liquid oxygen tank can be protected, thereby reducing the problem of shaking and tipping of the liquid oxygen tank. 2. The present invention provides a first buffer structure, an upper limit structure and a second limit structure on the protection frame. The first buffer structure can be used to provide buffer protection for the liquid oxygen tank in the protection frame. The upper limit structure can be used to limit the top of the liquid oxygen tank in the protection frame. In combination with the second limit structure, the liquid oxygen tank can be buffered and protected in case of accidental tipping of the equipment. At the same time, the problem of the liquid oxygen tank sliding out of the protection frame and colliding with the ground and being damaged can be avoided. 3. The present invention is provided with a transmission structure, so that when the lifting plate lifts the liquid oxygen tank from the ground, it can automatically drive the two protection frames to close on the liquid oxygen tank for protection. When the lifting plate puts the liquid oxygen tank down, the two protection frames can be automatically opened. The structure is simple and the function is practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a liquid oxygen tank transportation equipment used for liquid oxygen production in an embodiment of the present invention; Figure 2 is a schematic diagram of the structure after the protective frame is disassembled in an embodiment of the present invention; Figure 3 In the embodiment of the present invention Figure 2 A magnified view of the structure at A; Figure 4 In the embodiment of the present invention Figure 2 A magnified view of the structure at B; Figure 5 is a schematic diagram of the structure below the moving vehicle in an embodiment of the present invention; Figure 6 is a schematic diagram of the structure of the protection frame in an embodiment of the present invention; Figure 7 In the embodiment of the present invention Figure 6 A magnified view of the structure at C; Figure 8 In the embodiment of the present invention Figure 6 A magnified view of the structure at D; Fig. 9 In the embodiment of the present invention Figure 6 Enlarged view of the structure at E.

[0015] Description of the accompanying drawings: 1. mobile vehicle; 2. bracket; 3. first fixed rod; 4. handle; 5. roller; 6. support plate; 7. hydraulic cylinder; 8. through-hole; 9. mobile plate; 10. guide groove; 11. drag seat; 12. concave groove; 13. fixed seat; 14. motor; 15. first vertical groove; 16. screw rod; 17. lifting plate; 18. plug plate; 19. mounting plate; 20. fixing plate; 21. limit plate; 22. fastening plate; 23. rotating rod; 24. protection frame; 25. gear; 26. transverse groove; 27. guide rod; 28. driving plate; 29. ​​driving strip; 30. guide groove; 31. driving rod; 32. through-groove; 33 , T-bar; 34, buffer strip; 35, first spring; 36, first vertical bar; 37, second vertical slot; 38, first vertical bar; 39, turntable; 40, limit edge; 41, second vertical bar; 42, third vertical slot; 43, second vertical bar; 44, lifting block; 45, second spring; 46, second fixed rod; 47, first set of plates; 48, buffer block; 49, curved rod; 50, fixed frame; 51, vertical plate; 52, T-bar; 53, through slot; 54, rotating sleeve; 55, third fixed rod; 56, second set of plates; 57, third spring; 58, plug rod; 59, arc slot; 60, slot; 61, driving frame; 62, tightening plate. DETAILED DESCRIPTION

[0016] The following is combined with Figure 1-Figure 9 The present invention is described in further detail.

[0017] Reference Figure 1-Figure 9 , the embodiment of the present invention discloses a liquid oxygen tank transportation device for liquid oxygen production, including a mobile vehicle 1, a handle 4 and a roller 5, the rollers 5 are installed near the four corners below the mobile vehicle 1, the brackets 2 are connected to the left edge near the middle position above the mobile vehicle 1, a first fixing rod 3 is fixedly connected between the tops of the two brackets 2, a handle 4 is arranged on the first fixing rod 3, a tightening structure is arranged between the handle 4 and the bracket 2, a fixing seat 13 is installed near the middle position above the mobile vehicle 1, a lifting structure is arranged on the fixing seat 13, a material supporting structure is arranged near the inner walls on both sides of the front and rear sides of the mobile vehicle 1, and a limited position protection structure is arranged in the middle of the left inner wall of the mobile vehicle 1; The supporting structure includes two supporting plates 6 arranged at the positions of the inner walls of the front and rear sides of the mobile vehicle 1. The two supporting plates 6 are both installed on the lifting structure. A hydraulic cylinder 7 is installed at the middle of the two supporting plates 6 away from each other on one side. A through hole 8 for the hydraulic cylinder 7 to pass through is opened on the mobile vehicle 1. A guide groove 10 is opened on the upper part of the supporting plate 6. A movable plate 9 is slidably arranged in the guide groove 10. One end of the output shaft of the hydraulic cylinder 7 is connected to the movable plate 9. The end of the movable plate 9 passing through the guide groove 10 is installed with a dragging seat 11 through the mounting structure. The dragging seat 11 is provided with a concave groove 12. When transporting the liquid oxygen tank, first, the mobile vehicle 1 is pushed to the position of the liquid oxygen tank by the handle 4, and the hydraulic cylinder 7 on the supporting plate 6 is started to drive the dragging seat 11 on the movable plate 9 to move to the bottom of the liquid oxygen tank. The liquid oxygen tank is supported on the ground by the support frame, and then the liquid oxygen tank is lifted from the ground by the lifting structure to transport the liquid oxygen tank. The lifting structure includes a first vertical slot 15 provided at the front and rear sides below the right side of the fixed seat 13, a screw 16 is rotatably connected to the bottom slot wall of the first vertical slot 15, a motor 14 is installed on the fixed seat 13 just above each screw 16, the bottom end of the output shaft of the motor 14 is connected to the top of the screw 16, a lifting plate 17 is passed through the bottom end of the first vertical slot 15, a threaded groove is provided on the lifting plate 17 for the screw 16 to pass through, one end of the lifting plate 17 is connected to the supporting plate 6, when the drag seat 11 moves to the position just below the liquid oxygen tank, the motor 14 is started to drive the screw 16 to rotate, and the lifting plate 17 drives the drag seat 11 to move upward, thereby lifting the liquid oxygen tank and the support frame at the bottom of the liquid oxygen tank; The mounting structure includes an insert plate 18 connected to the drag seat 11 at a position close to the support plate 6. The insert plate 18 is movably inserted into a mounting groove provided on the movable plate 9. A mounting plate 19 is fixedly sleeved on the insert plate 18 and is closely attached to the end surface of the movable plate 9. The mounting plate 19 is fastened to the movable plate 9 by bolts. The drag seat 11 is fastened to the movable plate 9 by the mounting plate 19, so that the drag seat 11 can be easily disassembled. In this way, the drag seat 11 can be replaced according to the actual size of the liquid oxygen tank to be transported.

[0018] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9The limit protection structure includes a fixed plate 20 connected to the middle of the left inner wall of the mobile vehicle 1, a fastening plate 22 is installed on the fixed plate 20, and a limit plate 21 is installed on the side surface of the fastening plate 22 away from the fixed plate 20. The limit plate 21 is an arc-shaped plate, and two rotating rods 23 are rotatably connected to the limit plate 21 near the middle position. The two rotating rods 23 are fixedly sleeved with a protection frame 24, and a plurality of first buffer structures are arranged on the protection frame 24. An upper limit structure is arranged at the top of the protection frame 24, and a transmission structure is arranged between the two rotating rods 23 and the lifting plate 17. A second buffer structure is arranged at the top of the outside of the protection frame 24. When the liquid oxygen tank to be transported is lifted, the rotating rod 23 can be rotated to drive the two protection frames 24 to be closed together, thereby protecting the lifted liquid oxygen tank to avoid the problem of the liquid oxygen tank falling due to the shaking of the liquid oxygen tank during the lifting process. The transmission structure includes a gear 25 sleeved at the bottom end of each rotating rod 23, a transverse groove 26 is provided on the fastening plate 22, a guide rod 27 is connected between the groove walls at both ends of the transverse groove 26, a driving plate 28 is provided in the transverse groove 26, a through hole is provided on the driving plate 28 for the guide rod 27 to pass through, a guide groove 30 is provided near the bottom of the driving plate 28, the guide groove 30 is in an "S" shape, a driving rod 31 is movably passed through the bottom end of the guide groove 30, the two ends of the driving rod 31 are respectively connected to the two lifting plates 17, and the driving rod 31 passes through the first vertical groove. The driving plate 28 is connected with a driving strip 29 which is attached to the upper surface of the fastening plate 22. The driving strip 29 is provided with teeth meshing with the gear 25. When the lifting plate 17 drives the liquid oxygen tank on the drag seat 11 to move upward, the driving rod 31 is driven to move upward in the guide groove 30. The driving rod 31 squeezes the groove wall of the guide groove 30, pushing the driving plate 28 to drive the driving strip 29 to move toward the side away from the protective frame 24, and cooperates with the gear 25 to automatically close the two protective frames 24, which is more labor-saving and convenient to operate. The first buffer structure includes a plurality of T-shaped rods 33 that movably pass through the protection frame 24, each group of the plurality of T-shaped rods 33 is distributed in the same vertical direction, one end of each T-shaped rod 33 is connected to an arc-shaped buffer strip 34, each T-shaped rod 33 is sleeved with a first spring 35, and both ends of the first spring 35 are respectively connected to the protection frame 24 and the other end of the T-shaped rod 33. When the two protection frames 24 are closed, the protection frame 24 drives the buffer strip 34 to press against the liquid oxygen tank, so as to play a role of buffering and protecting the shaking of the liquid oxygen tank during transportation; The upper limit structure includes a first vertical bar 36 connected to the upper part of the inner wall of the protection frame 24, a second vertical groove 37 is provided on the first vertical bar 36 along its height direction, a first vertical rod 38 is connected between the upper and lower groove walls of the second vertical groove 37, a thread is provided on the first vertical rod 38, a limit edge 40 is passed through the second vertical groove 37, a threaded groove is provided on the limit edge 40 for the first vertical rod 38 to pass through, a rotating disk 39 is fixedly sleeved on the top of the first vertical rod 38, after the protection frame 24 is closed to the outside of the liquid oxygen tank, the limit edge 40 is used to limit the top of the liquid oxygen tank, and the height of the limit edge 40 can be flexibly adjusted according to the actual size of the liquid oxygen tank; The second buffer structure includes a second vertical bar 41 installed at the upper part of the outside of the protective frame 24, a second fixing rod 46 is connected to the top of the second vertical bar 41 away from the side of the protective frame 24, a first set of plates 47 are movably sleeved on the second fixing rod 46, and a buffer block 48 is installed on the end of the first set of plates 47 away from the second fixing rod 46. The second vertical bar 41 is provided with a third vertical slot 42 at a position below the second fixing rod 46, a second vertical rod 43 is connected between the upper and lower end slot walls of the third vertical slot 42, and a lifting block 44 is movably sleeved near the middle position of the second vertical rod 43, a curved rod 49 is rotatably connected between the lifting block 44 and the first set of plates 47, and a second spring 45 is connected between the lifting block 44 and the upper slot wall of the third vertical slot 42. When the transportation equipment accidentally dumps, the buffer block 48 is used to contact the ground instead of the liquid oxygen tank. The force generated during the collision of the buffer block 48 pushes the second spring 45 to stretch and deform to play a role of buffer protection.

[0019] See also Figure 1 , Figure 2 and Figure 4The tightening structure includes a rotating sleeve 54 rotatably sleeved on both ends of the first fixed rod 3, the rotating sleeve 54 is connected to a third fixed rod 55, the third fixed rod 55 is movably sleeved with a second set of plates 56, the third fixed rod 55 is sleeved with a third spring 57, the two ends of the third spring 57 are respectively connected to the second set of plates 56 and the rotating sleeve 54, the handle 4 is connected to the end of the second set of plates 56 away from the rotating sleeve 54, the second set of plates 56 is fixedly penetrated by an insertion rod 58 at a position close to the third fixed rod 55, an arc groove 59 is provided at a position close to the second set of plates 56 on the bracket 2, and slots 60 are provided on the groove walls at both ends of the arc groove 59, and one end of the insertion rod 58 is movably inserted into the slot 60 at the corresponding position, and a fixed frame 50 is installed on the side surface of the two brackets 2 close to each other, and a vertical plate 51 is movably passed through each fixed frame 50, and the two The bottom end of the vertical plate 51 passing through the moving vehicle 1 is connected with a clamping plate 62, and the top end of the vertical plate 51 is connected with a T-shaped plate 52, and a through slot 53 is provided on the T-shaped plate 52. A driving frame 61 is connected between the two rotating sleeves 54, and the driving frame 61 movably passes through the through slot 53. When lifting or lowering the liquid oxygen tank, the second set of plates 56 is pulled by the handle 4 on the third fixed rod 55, and one end of the insertion rod 58 is pulled out from the lower slot 60 to the arc groove 59, and then the handle 4 is used to rotate the rotating sleeve 54 upward on the first fixed rod 3, driving the driving frame 61 to squeeze the lower slot wall of the through slot 53, thereby pushing the clamping plate 62 to press against the ground, and using the static friction generated between the clamping plate 62 and the ground to position the moving vehicle 1 on the ground, thereby reducing the impact on normal transportation work caused by the movement of the moving vehicle 1 during the process of lifting or lowering the liquid oxygen tank.

[0020] The implementation principle of a liquid oxygen tank transport device for liquid oxygen production in an embodiment of the present invention is as follows: first, the mobile vehicle 1 is pushed to the liquid oxygen tank to be transported by using the handle 4, and the limit plate 21 on the mobile vehicle 1 is pressed against the liquid oxygen tank to limit the position of the mobile vehicle 1. Then, the second set plate 56 is pulled on the third fixed rod 55 by using the handle 4, and one end of the insertion rod 58 is drawn from the lower slot 60 into the arc slot 59, and then the rotating sleeve 5 is rotated in the clockwise direction by using the handle 4. 4, driving the driving frame 61 to squeeze the lower groove wall of the through groove 53, thereby pushing the abutting plate 62 down to the ground to position the mobile vehicle 1, and releasing the grip 4. Under the pulling force of the third spring 57, the insertion rod 58 is pulled into the upper groove 60 to position the abutting plate 62, and then the hydraulic cylinder 7 on the support plate 6 is started to drive the mobile plate 9 to move on the support plate 6, thereby driving the towing seat 11 to move to the position directly below the liquid oxygen tank, and then the fixed The motor 14 on the fixed seat 13 drives the screw rod 16 to rotate, and the lifting plate 17 drives the dragging seat 11 to move upward on the rotating screw rod 16, and the dragging seat 11 is automatically lifted from the ground. At the same time, the upward movement of the lifting plate 17 drives the driving rod 31 to slide upward in the guide groove 30 of the driving plate 28. The driving rod 31 squeezes the groove wall of the guide groove 30 to push the driving bar 29 on the driving plate 28 to move toward the side away from the protection frame 24, and cooperates with the two gears 25 to drive the two sets of rotating rods 23 and the protection frame 24 to rotate toward the side close to each other. The protection frame 24 is tightly sleeved on the lifted liquid oxygen tank to play a role in safety protection of the liquid oxygen tank during lifting and transportation, and the top of the liquid oxygen tank after lifting is attached to the limit edge 40, and finally the handle 4 can be rotated in the opposite direction to release the positioning of the mobile vehicle 1 on the ground, so as to push the mobile vehicle 1 to transport the liquid oxygen tank, which is more labor-saving and convenient to operate, and the transportation work efficiency is higher.

[0021] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid oxygen tank transport device for liquid oxygen production, comprising a mobile vehicle (1), a handle (4) and rollers (5), characterized in that: Rollers (5) are installed near the four corners on the bottom of the mobile vehicle (1); brackets (2) are connected to the top of the left edge of the mobile vehicle (1) near the middle; a first fixing rod (3) is fixedly connected between the tops of the two brackets (2); a handle (4) is provided on the first fixing rod (3); a tightening structure is provided between the handle (4) and the bracket (2); a fixing seat (13) is installed near the middle of the top of the mobile vehicle (1); a lifting structure is provided on the fixing seat (13); a material supporting structure is provided near the inner walls on both sides of the front and rear sides of the mobile vehicle (1); and a limited position protection structure is provided in the middle of the left inner wall of the mobile vehicle (1); The material supporting structure comprises two supporting plates (6) arranged in the moving vehicle (1) near the inner walls on both sides thereof, the two supporting plates (6) being mounted on the lifting structure, a hydraulic cylinder (7) being mounted in the middle of the two supporting plates (6) which are away from each other on one side, the moving vehicle (1) being provided with a through opening (8) for the hydraulic cylinder (7) to pass through, a guide groove (10) being provided on the upper surface of the supporting plate (6), a moving plate (9) being slidably arranged in the guide groove (10), one end of the output shaft of the hydraulic cylinder (7) being connected to the moving plate (9), and a drag seat (11) being mounted on the end of the moving plate (9) which passes through the guide groove (10) through a mounting structure, and a concave groove (12) being provided on the drag seat (11).

2. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 1, characterized in that: The lifting structure comprises a first vertical slot (15) provided at the front and rear sides below the right side surface of the fixed seat (13); a screw rod (16) is rotatably connected to the slot wall at the bottom end of the first vertical slot (15); a motor (14) is installed on the fixed seat (13) directly above each screw rod (16); the bottom end of the output shaft of the motor (14) is connected to the top end of the screw rod (16); a lifting plate (17) is passed through the bottom end of the first vertical slot (15); a threaded groove is provided on the lifting plate (17) for the screw rod (16) to pass through; one end of the lifting plate (17) is connected to the support plate (6).

3. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 1, characterized in that: The mounting structure comprises a plug plate (18) connected to the drag seat (11) at a position close to the support plate (6), the plug plate (18) being movably inserted into a mounting groove provided on the movable plate (9), a mounting plate (19) being fixedly sleeved on the plug plate (18) and closely attached to the end surface of the movable plate (9), and the mounting plate (19) being fastened to the movable plate (9) by bolts.

4. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 1, characterized in that: The position limiting protection structure comprises a fixing plate (20) connected to the middle of the left inner wall of the mobile vehicle (1), a fastening plate (22) being mounted on the fixing plate (20), a position limiting plate (21) being mounted on a side surface of the fastening plate (22) away from the fixing plate (20), the position limiting plate (21) being an arc-shaped plate, two rotating rods (23) being rotatably connected to the position of the position limiting plate (21) near the middle, a protection frame (24) being fixedly sleeved on both the rotating rods (23), a plurality of first buffer structures being arranged on the protection frame (24), an upper limit structure being arranged at the top end inside the protection frame (24), a transmission structure being arranged between the two rotating rods (23) and the lifting plate (17), and a second buffer structure being arranged at the top end outside the protection frame (24).

5. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 4, characterized in that: The transmission structure comprises a gear (25) sleeved at the bottom end of each rotating rod (23); a transverse groove (26) is provided on the fastening plate (22); a guide rod (27) is connected between the groove walls at both ends of the transverse groove (26); a driving plate (28) is provided in the transverse groove (26); a through hole is provided on the driving plate (28) for the guide rod (27) to pass through; a guide groove (30) is provided at a position close to the bottom of the driving plate (28); the guide groove (30) The guide groove (30) is shaped like an "S", and a driving rod (31) is movably passed through the bottom end thereof. The two ends of the driving rod (31) are respectively connected to two lifting plates (17). The driving rod (31) passes through a through groove (32) provided on the groove wall of the first vertical groove (15). The driving plate (28) is connected to a driving strip (29) affixed to the upper surface of the fastening plate (22), and the driving strip (29) is provided with teeth meshing with the gear (25).

6. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 4, characterized in that: The first buffer structure comprises a plurality of T-shaped rods (33) movably passing through the protective frame (24), each group of the plurality of T-shaped rods (33) being distributed in the same vertical direction, one end of each of the T-shaped rods (33) being connected to an arc-shaped buffer strip (34), each of the T-shaped rods (33) being sleeved with a first spring (35), and two ends of the first spring (35) being respectively connected to the protective frame (24) and the other end of the T-shaped rod (33).

7. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 4, characterized in that: The upper limit structure comprises a first vertical bar (36) connected to the upper part of the inner wall of the protection frame (24); a second vertical groove (37) is provided on the first vertical bar (36) along its height direction; a first vertical rod (38) is connected between the upper and lower groove walls of the second vertical groove (37); a thread is provided on the first vertical rod (38); a limiting edge (40) passes through the second vertical groove (37); a threaded groove is provided on the limiting edge (40) for the first vertical rod (38) to pass through; and a rotating disk (39) is fixedly sleeved on the top of the first vertical rod (38).

8. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 4, characterized in that: The second buffer structure comprises a second vertical bar (41) installed at the upper part of the outer side of the protection frame (24); a second fixed rod (46) is connected to the top of the second vertical bar (41) away from the side of the protection frame (24); a first set plate (47) is movably sleeved on the second fixed rod (46); a buffer block (48) is installed on the end of the first set plate (47) away from the second fixed rod (46); a third vertical slot (42) is opened on the second vertical bar (41) at a position below the second fixed rod (46); a second vertical bar (43) is connected between the upper and lower end slot walls of the third vertical slot (42); a lifting block (44) is movably sleeved on the second vertical bar (43) near the middle; a curved rod (49) is rotatably connected between the lifting block (44) and the first set plate (47); a second spring (45) is connected between the lifting block (44) and the upper slot wall of the third vertical slot (42).

9. The liquid oxygen tank transportation equipment for liquid oxygen production according to claim 1, characterized in that: The clamping structure comprises a rotating sleeve (54) rotatably sleeved on both ends of the first fixed rod (3), the rotating sleeve (54) being connected to a third fixed rod (55), the third fixed rod (55) being movably sleeved with a second sleeve plate (56), the third fixed rod (55) being sleeved with a third spring (57), the two ends of the third spring (57) being respectively connected to the second sleeve plate (56) and the rotating sleeve (54), the handle (4) being connected to an end of the second sleeve plate (56) away from the rotating sleeve (54), an insertion rod (58) being fixedly passed through the second sleeve plate (56) at a position close to the third fixed rod (55), and an arc-shaped spring (57) being provided at a position close to the second sleeve plate (56) on the bracket (2). A slot (59) is provided on the slot walls at both ends of the arc-shaped slot (59), one end of the insertion rod (58) is movably inserted into the slot (60) at the corresponding position, a fixing frame (50) is installed on the side surfaces of the two brackets (2) close to each other, a vertical plate (51) is movably passed through each of the fixing frames (50), a clamping plate (62) is connected to the bottom ends of the two vertical plates (51) passing through the moving vehicle (1), a T-shaped plate (52) is connected to the top end of the vertical plate (51), a through slot (53) is provided on the T-shaped plate (52), a driving frame (61) is connected between the two rotating sleeves (54), and the driving frame (61) movably passes through the through slot (53).

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