CN116081072A

CN116081072A - Storage tank

Info

Publication number: CN116081072A
Application number: CN202310073251.1A
Authority: CN
Inventors: 周奕; 黄天辉; 陆妍; 刘鸿; 刘启斌; 孙建生; 白家峰; 黄江锋; 薛云; 孟冬玲; 韦入丹; 陈瑶
Original assignee: China Tobacco Guangxi Industrial Co Ltd
Current assignee: China Tobacco Guangxi Industrial Co Ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-05-09

Abstract

The application discloses holding vessel includes: the tank body, the supporting mechanism, the fixing mechanism and the movable mechanism. The inside of the tank body is provided with a plurality of cavities, and the cavities are provided with covers. The supporting mechanism is used for supporting the storage object, can be lifted and arranged in the tank body and comprises a lifting plate which is vertically arranged. The fixed establishment is including being used for holding the splint of fixed and the slide of being connected with splint to storing the thing, is equipped with the first gear that the axial level set up in the jar body, slide and lifter plate respectively with first gear engagement, and the slip direction of slide and lifter plate's lift direction mutually perpendicular to move towards or keep away from storing the thing under the effect of lifter plate, exert clamping force or release force to storing the thing. The movable mechanism is arranged below the supporting mechanism and is used for enabling the supporting mechanism to move up and down. The technical problem that the automatic realization of unable simultaneous taking and placing operation and elasticity operation that current holding vessel exists is solved to this application.

Description

Storage tank

Technical Field

The application relates to the technical field of storage devices, in particular to a storage tank.

Background

The perfume is also called as a perfume raw material, is a material capable of being smelled to smell or a taste article to produce fragrance, is a raw material for preparing the perfume, is a product integrating high, fine and new technologies along with the modern industrial development, is widely used in the industries of food, daily chemicals, tobacco, medical treatment and the like, is closely related to the daily life of people, and needs to use a storage device to store the perfume to prevent deterioration of the perfume so as to influence the production quality. The solvent storage tank is needed in the extraction and preparation process of the spice, the existing storage tank is especially aimed at the solvent storage tank, and in order to prevent solvent leakage, a device filled with the solvent is needed to be placed in a tank body with a protection effect and fixed, so that the device filled with the solvent can be effectively protected, but the device is very troublesome to take and place, when the device is placed in the tank body, the device is needed to be placed in the tank body first and then fixed, and when the device is taken out from the tank body, the device is needed to be manually released from the fixation and then taken out from the protection tank, so that the operation is relatively complicated.

Disclosure of Invention

The application aims to solve the problems that: the existing storage tank has the technical problem that the taking and placing operation and the tightness operation cannot be simultaneously and automatically realized. Thereby providing a storage tank.

In order to solve the technical problems, the technical scheme of the application is as follows: a storage tank, comprising:

the tank body is internally provided with a plurality of cavities, and the cavities are provided with cover bodies;

the supporting mechanism is used for supporting the stored objects, can be arranged in the tank body in a lifting manner and comprises a vertically arranged lifting plate;

the fixing mechanism comprises a clamping plate for clamping and fixing the stored object and a sliding plate connected with the clamping plate, a first gear which is axially and horizontally arranged is arranged in the tank body, the sliding plate and the lifting plate are respectively meshed with the first gear, and the sliding direction of the sliding plate is mutually perpendicular to the lifting direction of the lifting plate so as to move towards or away from the stored object under the action of the lifting plate, and clamping force or loosening force is applied to the stored object;

the movable mechanism is arranged below the supporting mechanism and is used for enabling the supporting mechanism to move up and down.

Preferably, the moving mechanism includes:

the extrusion plate is horizontally arranged, the upper surface of the extrusion plate is provided with an inclined surface, the inclined surface is in contact with the bottom of the supporting mechanism, and the bottom of the extrusion plate is provided with an elastic piece;

and the operation assembly is used for driving the extruding and pushing plate to horizontally rotate along the circumferential direction.

Preferably, the lowest parts of the upper surfaces of the two horizontally opposite extrusion plates are in contact with the bottom of the supporting mechanism.

Preferably, the operating assembly includes:

the rotating shaft is vertically arranged in the tank body, and a vertical first chute is arranged on the outer wall of the rotating shaft;

the rotary drum is coaxially arranged with the rotary shaft and can axially rotate around the rotary drum, and a vertical second chute is arranged on the inner wall of the rotary drum;

a second gear engaged with an outer wall of the drum;

the two opposite ends of the extruding and pushing plate are respectively connected with the first chute and the second chute in a sliding way.

Preferably, the operation assembly further comprises:

the operation box is arranged outside the tank body;

the worm gear is arranged in the operation box and is coaxially connected with the second gear;

and a worm engaged with the worm wheel, one end of which extends to the outside of the operation box.

Preferably, the plurality of cavities are arranged along the circumference of the tank body, the cover body is a flip cover, a baffle plate for blocking the flip cover from being turned up is coaxially arranged above the tank body, a notch which is arranged in a staggered manner with the flip cover is arranged on the baffle plate, and the size of the notch is matched with the size of a storage object so that the storage object can be moved out of the notch under the action of the movable mechanism when the storage object is rotated to a preset position.

Preferably, the supporting mechanism comprises a lifting cylinder which is arranged in a lifting manner and used for placing the stored objects, and the top end of the lifting cylinder is connected with the bottom end of the lifting plate.

Preferably, the bottom of the lifting cylinder is provided with a bottom support with an arc-shaped inner wall.

Preferably, at least two clamping plates are arranged on the periphery of one lifting cylinder, and the clamping plates are arranged above the lifting cylinder and lower than the lifting plates.

Preferably, a fixed cylinder which is arranged in the cavity and is provided with openings up and down is used for limiting the lifting cylinder to move along the axial direction of the fixed cylinder.

The technical scheme of the application has the following advantages:

1. in the holding vessel that this application provided, when needing to put into the storing, push up supporting mechanism through movable mechanism, drive first gear rotation when supporting mechanism's lifter plate upward movement, first gear drives slide and splint again and moves to the direction of keeping away from the cavity center, then put into supporting mechanism with the storing on, move supporting mechanism down again, supporting mechanism drives first gear rotation, first gear drives slide and splint again and moves until carrying out the centre gripping to the storing near the direction of cavity center, the storing of this moment is put into the cavity in and by splint fixed centre gripping, then cover the lid and accomplish sealedly, the lid blocks supporting mechanism upward movement. The storage object can be stably placed in the tank body, so that accidents such as tilting, leakage and damage are prevented. When the stored article is required to be taken out, the supporting mechanism is pushed upwards through the movable mechanism, the stored article is pushed upwards through the supporting mechanism, the lifting plate drives the sliding plate and the clamping plate to move in the direction away from the center of the cavity through the first gear, so that the clamping fixation of the clamping plate on the stored article is relieved, and the stored article at the moment is pushed out of the cavity, so that the stored article is taken away conveniently. The storage device has the advantages that the storage device can separate and store the stored objects, is clamped and fixed, is simpler and more convenient to operate when the stored objects are taken and placed, and can automatically realize taking and placing operation and loosening and tightening operation.

2. In the holding vessel that this application provided, when needs make supporting mechanism upwards remove, make worm wheel, second gear and rotary drum rotate through rotating the worm, and the rotary drum drives extrusion board and pivot rotation, thereby the higher region of upper surface produces the extrusion with supporting mechanism when the extrusion board rotates and upwards promotes supporting mechanism. When the supporting mechanism is required to move downwards, the worm wheel, the second gear and the rotary drum are rotated through the reverse rotation worm, the rotary drum drives the extrusion plate and the rotary shaft to rotate, the lower area of the upper surface of the extrusion plate rotates back to the bottom of the supporting mechanism, and the extrusion of the extrusion plate and the supporting mechanism is released, so that the supporting mechanism moves downwards.

3. In the holding vessel that this application provided, cover the cavity opening through flip and establish, the rethread baffle blocks flip and opens, can prevent that the unexpected follow jar of internal whereabouts of storing thing, when needs take out the storing thing, rotate the baffle to breach and corresponding flip dislocation just can.

4. In the holding vessel that this application provided, fixed establishment and lift section of thick bamboo play fixed centre gripping's effect jointly to the storage, make the storage can place in the jar internal firmly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a storage tank according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A in FIG. 1;

FIG. 3 is a schematic top view of a storage tank according to an embodiment of the present application;

FIG. 4 is a schematic illustration of a tank in a top-down view along a middle portion of an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view taken along B-B in FIG. 1;

FIG. 6 is a schematic cross-sectional view taken along the direction C-C in FIG. 3;

fig. 7 is a schematic view of the overall structure of the extrusion plate according to the embodiment of the present application.

Reference numerals illustrate: 1. a tank body; 2. a rotating shaft; 3. a fixing plate; 4. a fixed cylinder; 5. a barrel groove; 6. a movable groove; 7. a through groove; 8. a lifting plate; 9. a first gear; 10. a clamping plate; 11. a store; 12. a slide plate; 13. a first tooth slot; 14. a second tooth slot; 15. a fixed shaft; 16. a rotary cover; 17. a fastener; 18. a baffle; 19. a notch; 20. a tank opening; 21. a flip cover; 22. a rotating drum; 23. a first chute; 24. a second chute; 25. an operation box; 26. a rotating rod; 27. a rotary groove; 28. a worm wheel; 29. a second gear; 30. a worm; 31. an elastic member; 32. a push plate; 33. a limiting block; 34. an operation block; 35. a lifting cylinder; 36. a bottom support; 37. and a third tooth slot.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Example 1

The storage tank provided in this embodiment includes: the tank body 1, a supporting mechanism, a fixing mechanism and a moving mechanism.

The main body of the tank body 1 is cylindrical, a plurality of vertical cavities which are arranged in a separated mode are formed in the tank body 1, and a cover body is arranged on the cavities.

The supporting mechanism is used for supporting the storage 11, and the supporting mechanism liftable sets up in the jar body 1, and the supporting mechanism includes the lifter plate 8 of vertical setting, and supporting mechanism and cavity one-to-one collocation set up, are equipped with the second tooth's socket 14 that sets up along vertical direction on the lifter plate 8.

The fixed establishment is including being used for holding down the splint 10 of storing thing 11 fixed and the slide 12 of being connected with splint 10, and splint 10 vertical setting, slide 12 level setting, and one lateral wall of splint 10 carries out the centre gripping to storing thing 11, and another lateral wall of splint 10 is connected with the one end of slide 12, is equipped with the first tooth's socket 13 that sets up along the horizontal direction on the slide 12. The tank body 1 is internally provided with a first gear 9 which is axially and horizontally arranged, the sliding plate 12 and the lifting plate 8 are respectively meshed with the first gear 9, the sliding direction of the sliding plate 12 is mutually perpendicular to the lifting direction of the lifting plate 8, the sliding plate 12 moves towards or away from the storage object 11 under the action of the lifting plate 8, and clamping force or loosening force is applied to the storage object 11.

The storage tank using method provided by the embodiment is as follows: when the stored object 11 is required to be put in, the cover body is opened, the supporting mechanism is pushed upwards through the movable mechanism, the second tooth groove 14 is meshed with the first gear 9 to drive the first gear 9 to rotate when the lifting plate 8 of the supporting mechanism moves upwards, the first gear 9 is meshed with the first tooth groove 13 to drive the sliding plate 12 and the clamping plate 10 to move towards the direction far away from the center of the cavity, then the stored object 11 is put on the supporting mechanism, the supporting mechanism is moved downwards, the lifting plate 8 of the supporting mechanism drives the first gear 9 to rotate, the first gear 9 drives the sliding plate 12 and the clamping plate 10 to move towards the direction close to the center of the cavity until the stored object 11 is clamped, the stored object 11 at the moment is put into the cavity and is fixedly clamped by the clamping plate 10, then the cover body is covered to complete sealing, the supporting mechanism is blocked from moving upwards, and the stored object 11 can be stably put in the tank body 1 to prevent accidents such as inclination, leakage and damage. When the stored object 11 needs to be taken out, the cover body is opened, the supporting mechanism is pushed upwards through the movable mechanism, the stored object 11 is pushed upwards through the supporting mechanism, the lifting plate 8 drives the sliding plate 12 and the clamping plate 10 to move in the direction away from the center of the cavity through the first gear 9, so that the clamping fixation of the clamping plate 10 on the stored object 11 is relieved, and the stored object 11 at the moment is pushed out of the cavity, so that the stored object 11 is convenient to take away. The holding tank that this embodiment provided not only can play the separation to deposit, centre gripping fixed effect to storing thing 11, and the operation is also simpler and more convenient when getting to put storing thing 11, can realize getting simultaneously and put operation and elasticity operation.

It should be noted that, the storage tank provided in this embodiment has good sealing performance, is stable to clamp the storage objects 11, and is provided with separate cavities, so that the storage objects 11 are not easy to affect each other, such as the volatile storage objects 11, and the storage tank is especially suitable for storing perfume solvent bottles and the like.

Example 2

This embodiment is a further modification of embodiment 1 in that the movable mechanism includes a push plate 32 and an operating member. As shown in fig. 7, the push plate 32 is horizontally disposed and has an inclined surface on its upper surface, the inclined surface is disposed in contact with the bottom of the support mechanism, and the bottom of the push plate 32 is provided with an elastic member 31. The lowest part of the upper surfaces of the two horizontally oppositely arranged extruding plates 32 is contacted with the bottom of the supporting mechanism. The opposite ends of the push plate 32 are slidably connected to the first and

second slide grooves

23 and 24, respectively, and the push plate 32 is movable up and down along the first and

second slide grooves

23 and 24.

The operating assembly is used to drive the push plate 32 to rotate horizontally in the circumferential direction. The operation assembly comprises: a spindle 2, a drum 22 and a second gear 29. The rotating shaft 2 and the tank body 1 are coaxially and vertically arranged in the tank body 1, and a plurality of vertical first sliding grooves 23 are formed in the outer wall of the rotating shaft 2. The rotary drum 22 is coaxial with the rotary shaft 2, an opening is arranged above the rotary drum 22, the lower side of the rotary drum 22 is sealed, the upper end and the lower end of the elastic piece 31 are respectively connected with the bottom of the extruding plate 32 and the inner wall of the bottom of the rotary drum 22, the rotary drum 22 can axially rotate around the rotary drum 22, a third tooth slot 37 is circumferentially arranged on the outer wall of the rotary drum 22, and a plurality of vertical second sliding slots 24 are arranged on the inner wall of the rotary drum 22. The axis of the second gear 29 is disposed vertically, and the second gear 29 is engaged with the third tooth slot 37 of the drum 22. The operation assembly further comprises an operation box 25, a worm wheel 28 and a worm 30, wherein the operation box 25 is arranged outside the tank body 1 and is attached to the outer wall of the tank body 1, the worm wheel 28 is arranged in the operation box 25 and is coaxially connected with the second gear 29 through a vertical rotating rod 26, the worm 30 is meshed with the worm wheel 28, and one end of the worm 30 extends to the outside of the operation box 25.

In the initial state, the lowest part of the upper surface of the push plate 32 is in contact with the bottom of the supporting mechanism, and the elastic member 31 is not or less stressed. When the supporting mechanism needs to be moved upwards, the worm 30 is rotated, the worm 30 drives the worm wheel 28 to rotate, the worm wheel 28 drives the second gear 29 to rotate through the rotating rod 26, the second gear 29 drives the rotary drum 22 to rotate, the rotary drum 22 drives the extruding plate 32 and the rotating shaft 2 to rotate, when the extruding plate 32 rotates, the inclined surface of the extruding plate 32 is gradually contacted with the supporting mechanism from the original lowest position to the highest position, at the moment, the elastic piece 31 is pressed to push the supporting mechanism upwards, the supporting mechanism pushes the stored object 11 upwards, the lifting plate 8 drives the sliding plate 12 and the clamping plate 10 to move in a direction away from the center of the cavity through the first gear 9, so that clamping fixation of the clamping plate 10 on the stored object 11 is relieved, and the stored object 11 is pushed out of the cavity at the moment, so that the stored object 11 is convenient to take away. When the supporting mechanism needs to be moved downwards, the worm 30 is reversely rotated, the worm 30 drives the worm wheel 28 to rotate, the worm wheel 28 drives the second gear 29 to rotate through the rotating rod 26, the second gear 29 drives the rotary drum 22 to rotate, the rotary drum 22 drives the push plate 32 and the rotating shaft 2 to rotate, the push plate 32 gradually returns to the position where the lowest part of the inclined surface contacts with the supporting mechanism, and at the moment, the pressure applied to the elastic piece 31 is reduced or eliminated.

The circumference setting of jar body 1 is followed to a plurality of cavitys, and the lid is flip 21, and the coaxial rotation in top of jar body 1 is equipped with the baffle 18 that is used for blockking flip 21 and turns up, is equipped with on the baffle 18 with flip 21 dislocation set's breach 19, breach 19 size and storage 11 size adaptation to when rotating to the preset position, make storage 11 remove outside breach 19 under the effect of movable mechanism. When the stored object 11 needs to be sealed, the cover body is covered and then the baffle 18 is rotated to block all the cover bodies, so that the stored object 11 or the lifting plate 8 is prevented from pushing the cover bodies open. When the stored article 11 needs to be taken out, the notch 19 of the baffle 18 is rotated to the cover corresponding to the stored article 11, at this time, the notch 19 is just misplaced with the cover, the baffle 18 cannot play a role in blocking the cover, and at this time, the cover can be opened to take out the stored article 11.

The supporting mechanism comprises a lifting cylinder 35 which is arranged in a lifting manner and used for placing the stored object 11, and the top end of the lifting cylinder 35 is connected with the bottom end of the lifting plate 8. The bottom of the lifting cylinder 35 is provided with a bottom support 36 with an arc-shaped inner wall, and the bottom of the bottom support 36 is in contact with the push plate 32. At least two clamping plates 10 are arranged opposite to each other on the periphery of one lifting cylinder 35, and the clamping plates 10 are arranged above the lifting cylinder 35 and below the lifting plate 8. The cavity is internally provided with a fixed cylinder 4 which is provided with openings up and down, and the fixed cylinder 4 is used for limiting the lifting cylinder 35 to move along the axial direction of the fixed cylinder 4. The fixing mechanism and the lifting cylinder 35 together play a role in fixing and clamping the stored object 11, so that the stored object 11 can be stably placed in the tank body 1.

Specifically, the inside level of jar body 1 is equipped with fixed plate 3, and fixed plate 3 is used for being connected fixed section of thick bamboo 4 and jar body 1 inner wall, is equipped with vertical section of thick bamboo groove 5 on the fixed section of thick bamboo 4, and lift section of thick bamboo 35 and lifter plate 8 can reciprocate in section of thick bamboo groove 5. The side wall of the fixed cylinder 4 is provided with a through groove 7, and a first gear 9 is arranged in the through groove 7. The side wall of the cavity is provided with a horizontal movable groove 6, and the sliding plate 12 can horizontally move in the movable groove 6. The center of the tank body 1 is axially provided with a fixed shaft 15, the fixed shaft 15 is arranged above the rotating shaft 2, the top end of the fixed shaft 15 is flush with the top end of the tank body 1, the center of the top end of the fixed shaft 15 is connected with a vertical fastener 17, the fastener 17 is preferably a bolt, and the fastener 17 rotationally connects a baffle 18 with the fixed shaft 15. The upper part of the tank body 1 is also provided with a rotary cover 16, the rotary cover 16 is covered at the tank opening 20, the rotary cover 16 is provided with a plurality of openings corresponding to the cavities, the flip cover 21 is arranged on the rotary cover 16, and all the stored objects 11 can be taken out simultaneously after the rotary cover 16 is removed, so that the operation is convenient. The side wall of the tank 1 is provided with a rotary groove 27 communicating with the operation box 25, and a second gear 29 is meshed with the drum 22 through the rotary groove 27. The side wall of the lifting plate 8 is provided with a limiting block 33, and when the lifting plate 8 rises to a certain height, the limiting block 33 is clamped below the opening of the cavity, so that the lifting plate 8 can be prevented from falling out of the cavity. The end of the worm 30 extending to the outside of the operation box 25 is provided with an operation block 34, and the worm 30 is easily rotated by the operation block 34.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While nevertheless, obvious variations or modifications may be made to the embodiments described herein without departing from the scope of the invention.

Claims

1. A storage tank, comprising:

a plurality of cavities are formed in the tank body (1), and a cover body is arranged on each cavity;

the supporting mechanism is used for supporting the stored objects, can be arranged in the tank body (1) in a lifting manner and comprises a vertically arranged lifting plate (8);

the fixing mechanism comprises a clamping plate (10) for clamping and fixing a stored object and a sliding plate (12) connected with the clamping plate (10), a first gear (9) which is axially and horizontally arranged is arranged in the tank body (1), the sliding plate (12) and the lifting plate (8) are respectively meshed with the first gear (9), and the sliding direction of the sliding plate (12) is mutually perpendicular to the lifting direction of the lifting plate (8) so as to move towards or away from the stored object under the action of the lifting plate (8), and clamping force or loosening force is applied to the stored object;

2. The storage tank of claim 1, wherein the movable mechanism comprises:

the extruding plate (32) is horizontally arranged, the upper surface of the extruding plate is provided with an inclined surface, the inclined surface is in contact with the bottom of the supporting mechanism, and the bottom of the extruding plate (32) is provided with an elastic piece (31);

and the operation assembly is used for driving the extruding and pushing plate (32) to horizontally rotate along the circumferential direction.

3. A tank according to claim 2, wherein the lowest part of the upper surfaces of two horizontally opposed push plates (32) is arranged in contact with the bottom of the support means.

4. A tank according to claim 2 or 3, wherein the operating assembly comprises:

the rotating shaft (2) is vertically arranged in the tank body (1), and a vertical first chute (23) is arranged on the outer wall of the tank body;

the rotary drum (22) is coaxially arranged with the rotary shaft (2) and can axially rotate around the rotary drum, and a vertical second chute (24) is arranged on the inner wall of the rotary drum;

a second gear (29) engaged with the outer wall of the drum (22);

the two opposite ends of the extruding and pushing plate (32) are respectively connected with the first sliding groove (23) and the second sliding groove (24) in a sliding way.

5. The storage tank of claim 4, wherein the operating assembly further comprises:

an operation box (25) arranged outside the tank body (1);

a worm wheel (28) disposed in the operation box (25) and coaxially connected to the second gear (29);

a worm (30) engaged with the worm wheel (28) and having one end extending to the outside of the operation box (25).

6. A storage tank according to any one of claims 1-3, characterized in that a plurality of cavities are arranged along the circumference of the tank body (1), the cover body is a flip (21), a baffle (18) for blocking the flip (21) from turning up is coaxially arranged above the tank body (1) in a rotating manner, a notch (19) which is arranged in a staggered manner with the flip (21) is arranged on the baffle (18), and the size of the notch (19) is adapted to the size of a storage object so that the storage object can be moved out of the notch (19) under the action of the movable mechanism when the storage object is rotated to a preset position.

7. A storage tank according to any one of claims 1-3, characterized in that the supporting means comprise a lifting drum (35) arranged to be lifted for placing the stored items, the top end of the lifting drum (35) being connected to the bottom end of the lifting plate (8).

8. The storage tank according to claim 7, characterized in that the bottom of the lifting cylinder (35) is provided with a base (36) with an arc-shaped inner wall.

9. The tank according to claim 7, characterized in that one of the lifting cylinders (35) is provided with at least two opposite clamping plates (10) at its periphery, which clamping plates (10) are arranged above the lifting cylinder (35) and below the lifting plate (8).

10. The storage tank of claim 7, wherein a fixed cylinder is disposed in the cavity and is provided with openings at the top and bottom, and the fixed cylinder is used for limiting the lifting cylinder to move only along the axial direction of the fixed cylinder.