CN213623088U

CN213623088U - Lifting device of super-large-capacity liquid storage tank

Info

Publication number: CN213623088U
Application number: CN202022639617.1U
Authority: CN
Inventors: 李景; 杨伟; 王永成; 赵豪放; 张锐; 杨振华
Original assignee: China Railway 18th Bureau Group Co Ltd; Building Installation Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd; Building Installation Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-06
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a lifting device of a super-large capacity liquid storage tank, which comprises a plurality of lifting units which are uniformly distributed in the tank body along the circumferential direction of the tank body; the lifting unit comprises a hydraulic jack, the hydraulic jack is fixed on the ground through a base, a mounting plate is arranged at the top end of a lifting rod of the hydraulic jack, two ends of the mounting plate are respectively provided with a chain wheel in a rotating mode, the chain wheels are connected through a chain, one end of the chain is connected with a fixing seat arranged on the base, the other end of the chain is provided with a lifting lug, the lifting lug is connected with a fixing block through an expansion ring, and the fixing block is fixedly arranged on the inner wall of the tank body. The utility model adopts the above structure the hoisting device of super large capacity liquid storage pot can solve the inconvenient equipment of super large capacity liquid storage pot, the problem that wastes time and energy.

Description

Lifting device of super-large-capacity liquid storage tank

Technical Field

The utility model belongs to the technical field of hoisting device technique and specifically relates to a hoisting device of super large capacity liquid storage pot is related to.

Background

The manufacture and installation of the large and medium-capacity liquid storage tanks are mostly constructed by adopting a jacking and inverted installation method, namely, a tank top is assembled on the ground firstly, then the tank top is hoisted by a hoist, the wall plate of the tank body and the tank top are welded and assembled from top to bottom, and finally the wall plate and the bottom plate are welded to complete the construction of the outer tank of the liquid storage tank. For the ultra-large liquid storage tank, the diameter of the liquid storage tank is larger, and the winch does not have large power to lift the tank top, so that the winch cannot be adopted to assemble the liquid storage tank. At present, a hydraulic jacking device is also adopted for construction of a liquid storage tank, an expansion ring is welded on the inner wall of the tank body, and a hydraulic jack is utilized to drive the tank body to ascend through the expansion ring, so that the tank body is assembled. For the liquid storage tank with ultra-large capacity, the expansion ring is welded on the inner wall of the tank body for a whole circle, which not only wastes time and labor, but also increases the material cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoisting device of super large capacity liquid storage pot solves the inconvenient equipment of super large capacity liquid storage pot, the problem that wastes time and energy.

In order to achieve the purpose, the utility model provides a lifting device of a liquid storage tank with ultra-large capacity, which comprises a plurality of lifting units which are uniformly distributed in the tank body along the circumferential direction of the tank body; the lifting unit comprises a hydraulic jack, the hydraulic jack is fixed on the ground through a base, a mounting plate is arranged at the top end of a lifting rod of the hydraulic jack, two ends of the mounting plate are respectively provided with a chain wheel in a rotating mode, the chain wheels are connected through a chain, one end of the chain is connected with a fixing seat arranged on the base, the other end of the chain is provided with a lifting lug, the lifting lug is connected with a fixing block through an expansion ring, and the fixing block is fixedly arranged on the inner wall of the tank body.

Preferably, the number of the lifting units is 35-45, and the distance between the hydraulic jack and the inner wall of the tank body is 200-300 mm.

Preferably, the jacking rod is positioned in the middle of the mounting plate, and the two chain wheels are symmetrically distributed on two sides of the jacking rod.

Preferably, one side of the lower end of the fixing block, which is close to the inner wall of the tank body, is provided with a limit groove for placing the expansion ring, and the outer side surface of the expansion ring is attached to the inner wall of the tank body.

Preferably, one side of the bottom of the expansion ring, which is far away from the tank body, is provided with a mounting groove for placing a lifting lug, the lifting lug is positioned in the middle of the expansion ring, and the fixing block is positioned at two ends of the expansion ring.

Preferably, two ends of the expansion ring are provided with rectangular limiting plates.

Preferably, the side wall of the hydraulic jack is provided with an inclined strut, one end of the inclined strut is rotatably connected with the side wall of the hydraulic jack, the other end of the inclined strut is fixed on the ground through a fixing plate, and the inclined strut is rotatably connected with the fixing plate.

Therefore, the utility model adopts the above structure a hoisting device of super large capacity liquid storage pot, the lug is located the middle part of expander, and the fixed block is located the both ends of expander, does not need the annular expander of welding ring on the inner wall of the jar body, labour saving and time saving, simple structure, the operation of being convenient for.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view of a lifting unit of an embodiment of a lifting device for an ultra-large capacity liquid storage tank of the present invention;

FIG. 2 is a schematic diagram of a distribution structure of lifting units of an embodiment of the lifting device for an ultra-large capacity liquid storage tank of the present invention;

fig. 3 is a schematic view of an expansion ring structure of an embodiment of a lifting device for a super-large capacity liquid storage tank of the present invention.

1. A tank body; 2. a hydraulic jack; 3. a base; 4. mounting a plate; 5. a sprocket; 6. a chain; 7. A fixed seat; 8. a diagonal brace; 9. a fixing plate; 10. lifting lugs; 11. expanding the ring; 12. a fixed block; 13. Mounting grooves; 14. a limiting groove; 15. and a limiting plate.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is the utility model relates to a lifting unit structure sketch map of lifting device embodiment of super large capacity liquid storage pot, fig. 2 is the utility model relates to a lifting unit distribution structure sketch map of lifting device embodiment of super large capacity liquid storage pot, fig. 3 is the utility model relates to an expanding ring structure sketch map of lifting device embodiment of super large capacity liquid storage pot. As shown in the figure, the lifting device of the ultra-large capacity liquid storage tank comprises an inner edge of a tank body 1A plurality of lifting units which are uniformly distributed along the circumferential direction of the tank body 1. The liquid storage tank has a capacity of 30000m³The number of the lifting units of the full-capacity liquid storage tank is 35-45, and the number of the lifting units is 39 in the embodiment.

The lifting unit comprises a hydraulic jack 2, and the hydraulic jack 2 is fixed on the ground through a base 3. The distance between the hydraulic jack 2 and the inner wall of the tank body 1 is 200-300mm, and the distance is set to 250mm in the embodiment. The top end of the jacking rod of the hydraulic jack 2 is fixedly provided with a mounting plate 4, and the jacking rod is positioned in the middle of the mounting plate 4. Two ends of the mounting plate 4 are respectively and rotatably provided with a chain wheel 5, and the two chain wheels 5 are symmetrically distributed on two sides of the jacking rod. The chain wheels 5 are connected through chains 6, one ends of the chains 6 are connected with fixing seats 7 fixedly arranged on the base 3, and lifting lugs 10 are arranged at the other ends of the chains 6. The lifting lug 10 is connected with a fixed block 12 through an expansion ring 11, and the fixed block 12 is fixedly welded on the inner wall of the tank body 1. The lifting lug 10 is positioned in the middle of the expansion ring 11, and the fixed blocks 12 are positioned at two ends of the expansion ring 11. The annular expansion ring 11 does not need to be welded on the inner wall of the tank body 1, so that the time and labor are saved, the structure is simple, and the operation is convenient. The outer side surface of the expansion ring 11 is attached to the inner wall of the tank body 1, namely the diameter of a circle where the outer side surface of the expansion ring 11 is located on the inner wall of the tank body 1 is almost equal to that of the circle, so that the outer side surface of the expansion ring 11 is the same as the inner wall of the tank body 1 in shape and can be attached almost completely. The expansion ring 11 can be fully contacted with the tank body 1, and the hoisting stability of the tank body 1 is improved.

One side of the lower end of the fixing block 12 close to the inner wall of the tank body 1 is provided with a limiting groove 14 for placing the expansion ring 11, and the size of the limiting groove 14 is slightly larger than that of the expansion ring 11, so that the expansion ring 11 can be just clamped into the limiting groove 14. One side of the bottom of the expansion ring 11 far away from the tank body 1 is provided with a mounting groove 13 for placing the lifting lug 10, so that the stability of connection between the lifting lug 10 and the expansion ring 11 in the lifting process is improved. The fixed limiting plate 15 that is provided with the rectangle in the both ends of expander 11, limiting plate 15 are used for restricting expander 11 to take place to rotate at jar 1 promotion in-process. The expansion ring 11 is made of I-shaped steel or rectangular steel pipes.

The side wall of the hydraulic jack 2 is provided with an inclined stay bar 8, and the inclined stay bar 8 is a rectangular steel pipe or a circular steel pipe. One end of the diagonal brace 8 is rotatably connected with the side wall of the hydraulic jack 2 through a pin shaft, and the other end of the diagonal brace 8 is fixed on the ground through a fixing plate 9. The inclined stay bar 8 is rotatably connected with the fixed plate 9 through a pin shaft. The diagonal brace 8 is arranged on one side, far away from the tank body 1, of the hydraulic jack 2, and stability of the hydraulic jack 2 is improved.

When the lifting device is used, the hydraulic jack 2 drives the lifting rod to ascend, one section of the chain 6 is fixed, the other end of the chain 6 drives the expansion ring 11 to ascend through the lifting lug 10, and therefore the fixed block 12 and the tank body 1 are driven to ascend through the expansion ring 11, and the tank body 1 is connected with a wall plate of the lower tank body 1; after the connection is completed, the hydraulic jack 2 descends, the expansion ring 11 descends together with the lifting lug 10 under the action of self gravity to be separated from the fixed block 12, so that the lower-layer wall plate is lifted in sequence, and the whole liquid storage tank is assembled.

Therefore, the utility model adopts the above structure the hoisting device of super large capacity liquid storage pot can solve the inconvenient equipment of super large capacity liquid storage pot, the problem that wastes time and energy.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a hoisting device of super large capacity liquid storage pot which characterized in that: the device comprises a plurality of lifting units which are uniformly distributed in the tank body along the circumferential direction of the tank body; the lifting unit comprises a hydraulic jack, the hydraulic jack is fixed on the ground through a base, a mounting plate is arranged at the top end of a lifting rod of the hydraulic jack, two ends of the mounting plate are respectively provided with a chain wheel in a rotating mode, the chain wheels are connected through a chain, one end of the chain is connected with a fixing seat arranged on the base, the other end of the chain is provided with a lifting lug, the lifting lug is connected with a fixing block through an expansion ring, and the fixing block is fixedly arranged on the inner wall of the tank body.

2. The lifting device for a super-large capacity liquid storage tank as claimed in claim 1, wherein: the number of the lifting units is 35-45, and the distance between the hydraulic jack and the inner wall of the tank body is 200-300 mm.

3. The lifting device for a super-large capacity liquid storage tank as claimed in claim 1, wherein: the jacking rod is positioned in the middle of the mounting plate, and the two chain wheels are symmetrically distributed on two sides of the jacking rod.

4. The lifting device for a super-large capacity liquid storage tank as claimed in claim 1, wherein: one side that the low side of fixed block is close to jar internal wall is provided with the spacing groove of placing the expander ring, and the lateral surface of expander ring is laminated with the inner wall of the jar body.

5. The lifting device for a super-large capacity liquid storage tank as claimed in claim 1, wherein: one side of the bottom of the expansion ring, which is far away from the tank body, is provided with a mounting groove for placing a lifting lug, the lifting lug is positioned in the middle of the expansion ring, and the fixing blocks are positioned at two ends of the expansion ring.

6. The lifting device for a super-large capacity liquid storage tank as claimed in claim 1, wherein: and rectangular limiting plates are arranged at two ends of the expansion ring.

7. The lifting device for a super-large capacity liquid storage tank as claimed in claim 1, wherein: the side wall of the hydraulic jack is provided with an inclined stay bar, one end of the inclined stay bar is rotatably connected with the side wall of the hydraulic jack, the other end of the inclined stay bar is fixed on the ground through a fixing plate, and the inclined stay bar is rotatably connected with the fixing plate.