Integral hoisting tool for storage tank

Abstract

The utility model relates to an integral hoisting tool for a storage tank. Comprising a tank body reinforcing mechanism used for reinforcing a tank body, a balance beam assembly used for being connected with a first lifting lug on the tank body and a lifting mechanism connected with the balance beam assembly. The tank body reinforcing mechanism comprises a tank bottom reinforcing assembly used for being connected with the bottom of the inner wall of the tank body, a plurality of expansion rings used for abutting against the inner wall of the tank body and a plurality of first mounting plates used for being mounted on the inner wall of the tank body above the tank bottom reinforcing assembly, and each first mounting plate is connected with a tensioning piece used for being connected with a second mounting plate on the tank bottom. The tank bottom reinforcing assembly and the expansion ring are arranged on the tank body, and the second mounting plate at the tank bottom is connected with the first mounting plate on the tank body through the tensioning piece, so that the strength of the tank body can be effectively improved, and the storage tank can be conveniently separated from the ground to be hoisted; and the risk of local deformation of the storage tank caused by uneven stress of tools such as a sling in the lifting and translation process of the storage tank is effectively avoided, and the lifting effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment hoisting, in particular to an integral hoisting tool for a storage tank. Background Art

[0002] Storage tanks are used to store refined chemical substances such as acids, alkalis, alcohols, gases, and liquids. They are essential and important infrastructure for industries such as petroleum, chemicals, grain and oil, food, fire protection, transportation, metallurgy, and national defense. Existing petrochemical storage area expansion or relocation projects require steel vaulted storage tanks (volume less than 5000m 3 ) is relocated. Due to the large diameter and thin wall of the storage tank, and the adhesion of the bottom of the storage tank to the ground during use, the storage tank is prone to local deformation due to uneven force on the storage tank caused by lifting slings and other tooling mechanisms during lifting, which affects the safety of the storage tank. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an integral lifting tool for a storage tank, including a tank body reinforcement mechanism for reinforcing the tank body, a balance beam assembly for connecting to a first lifting ear on the tank body, and a lifting mechanism connected to the balance beam assembly, the tank body reinforcement mechanism including a tank bottom reinforcement assembly for connecting to the bottom of the inner wall of the tank body, a plurality of expansion rings for abutting against the inner wall of the tank body, and a plurality of first mounting plates for being installed on the inner wall of the tank body above the tank bottom reinforcement assembly, each of the first mounting plates being connected to a tensioning member for connecting to a second mounting plate on the tank bottom.

[0004] Furthermore, the tank bottom reinforcement assembly includes a first reinforcement plate and a plurality of second reinforcement plates connected to the bottom of the inner wall of the tank body and arranged around the first reinforcement plate, and each of the second reinforcement plates is connected to the first reinforcement plate via a reinforcement support rod.

[0005] Further, the tensioning member is pre-tightened between the second mounting plate and the first mounting plate, and the tensioning member includes a hand chain hoist and a steel wire rope.

[0006] Furthermore, the balance beam assembly includes at least one center plate, a plurality of first steel pipes and a plurality of second steel pipes, the plurality of first steel pipes are sequentially connected end to end to form an annular balance beam body, the center plate is located at the center of the annular balance beam body, the annular balance beam body is connected to the first lifting ear of the tank body through a fall chain, and the annular balance beam body is connected to the center plate through a second steel pipe.

[0007] Furthermore, the balance beam assembly also includes a second lifting lug, the second lifting lug is connected to the first steel pipe, and the fall chain is connected to the second lifting lug.

[0008] Furthermore, the balance beam assembly also includes a connecting plate connected to the first steel pipe, and the second steel pipe is connected to the connecting plate.

[0009] Furthermore, adjacent first steel pipes are welded to each other, and two ends of the second steel pipe are respectively welded to the annular balance beam body and the center plate.

[0010] Furthermore, the lifting mechanism includes a lifting machine and a lifting rope connected to a lifting hook of the lifting machine, and the lifting rope is connected to a balance beam assembly.

[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0012] 1) The utility model provides an integral lifting tool for the storage tank, in which a tank bottom reinforcement assembly and an expansion ring are arranged on the tank body, and a second mounting plate on the tank bottom is connected to a first mounting plate on the tank body by a tensioning member, which can effectively improve the strength of the tank body. After the lifting mechanism is connected to the balance beam assembly, it is convenient to separate the storage tank from the ground and lift it, effectively avoiding the risk of local deformation of the storage tank due to uneven force on the lifting sling and other tooling during the lifting and translation process of the storage tank, and the lifting effect is good.

[0013] 2) The overall lifting tooling for the storage tank provided by the utility model adopts a multi-lifting point balance beam structure, which can make the lifting of the equipment more reliable. The lifting method is simple and can withstand the radial force component caused by the inclined lifting, thereby avoiding the deformation caused by the radial force borne by the equipment during lifting. It is safe, reliable, economical and reasonable, with a short construction period and high construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 A schematic diagram of the structure of the overall lifting tooling for the storage tank provided by the utility model;

[0016] Figure 2 The utility model provides a storage tank integral lifting tool Figure 1 Schematic diagram of part A;

[0017] Figure 3 A schematic diagram of the structure of the tank bottom reinforcement assembly in the overall lifting tooling of the storage tank provided by the utility model;

[0018] Figure 4A partial schematic diagram of the overall lifting tooling for the storage tank provided by the utility model;

[0019] Figure 5 A schematic diagram of the structure of the connecting plate in the overall lifting tooling of the storage tank provided by the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the balance beam assembly in the overall lifting tooling of the storage tank provided by the utility model;

[0021] Figure 7 A partial schematic diagram of a balance beam assembly in the overall lifting tooling for a storage tank provided by the utility model.

[0022] 1-tank body; 11-first lifting ear; 12-first mounting plate; 13-second mounting plate; 2-tank body reinforcement mechanism; 21-expansion ring; 22-tensioning piece; 23-first reinforcement plate; 24-second reinforcement plate; 25-reinforcement support rod; 26-clamp plate; 27-square wedge; 3-balance beam assembly; 31-center plate; 32-connecting plate; 33-first steel pipe; 34-second steel pipe; 35-falling chain; 36-second lifting ear; 4-lifting mechanism; 41-crane; 42-hook; 43-lifting rope. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. In the drawings, the size and relative size of some parts may be enlarged for clarity.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0027] As the instruction manual Figure 1 , 2 As shown in Figure 4, the utility model provides an integral lifting tool for a storage tank, which is used for lifting a storage tank, including a tank reinforcement mechanism 2 for reinforcing a tank body 1, a balance beam assembly 3 for connecting to a first lifting ear 11 on the tank body 1, and a lifting mechanism 4 connected to the balance beam assembly 3, the tank reinforcement mechanism 2 includes a tank bottom reinforcement assembly for connecting to the bottom of the inner wall of the tank body 1, a plurality of expansion rings 21 for abutting against the inner wall of the tank body 1, and a plurality of first mounting plates 12 for mounting on the inner wall of the tank body 1 above the tank bottom reinforcement assembly, each of the first mounting plates 12 is connected to a tensioning member 22 for connecting to a second mounting plate 13 on the tank bottom.

[0028] An optimized implementation method is to empty the storage tank before hoisting it, and to reinforce the tank body 1 to avoid deformation of the storage tank due to uneven force during hoisting, which affects the safety of the storage tank. A plurality of expansion rings 21 are arranged on the inner side of the tank body 1 for reinforcement. In this embodiment, expansion rings 21 are arranged on the middle and upper parts of the inner side of the tank body 1, and a tank bottom reinforcement assembly is arranged on the inner side of the tank bottom to strengthen the rigidity of the tank bottom. A plurality of second mounting plates 13 are arranged on the tank bottom plate, and each second mounting plate 13 is connected to the first mounting plate 12 through a tensioning member 22, so that during the hoisting process, the tank bottom is ensured to be uniformly stressed, and it is also convenient to separate the tank bottom from the ground, so as to facilitate the lifting of the storage tank.

[0029] Optimize the implementation method, as shown in the attached manual Figure 3As shown, the tank bottom reinforcement assembly is arranged at the bottom of the inner wall of the tank body 1, and the tank bottom reinforcement assembly includes a first reinforcement plate 23 and a plurality of second reinforcement plates 24 connected to the inner bottom of the tank body and arranged around the first reinforcement plate 23. In order to ensure uniform force on the tank bottom, the first reinforcement plate 23 is arranged at the center of the tank bottom, and a plurality of second reinforcement plates 24 are evenly arranged in an annular direction along the inner bottom edge of the tank body. Each of the second reinforcement plates 24 is connected to the first reinforcement plate 23 through a reinforcement support rod 25, one end of the reinforcement support rod 25 is connected to the second reinforcement plate 24, and the other end is connected to the first reinforcement plate 23, so as to strengthen the tank bottom strength.

[0030] Preferably, the number of the second reinforcement plates 24 can be set according to actual needs, such as four second reinforcement plates 24 can be set to form a cross-shaped tank bottom reinforcement assembly, or eight second reinforcement plates 24 can be set to form a M-shaped tank bottom reinforcement assembly, and the structure and orientation of the tank bottom reinforcement assembly can be adjusted according to needs; in this embodiment, the number of the second reinforcement plates 24 is twelve, and the twelve second reinforcement plates 24 are arranged circumferentially along the tank body 1, and are connected to the first reinforcement plate 23 located at the center of the tank bottom through the reinforcement support rod 25.

[0031] Preferably, the first reinforcement plate 23 and the second reinforcement plate 24 are steel plates, the reinforcement support rod 25 is made of a steel pipe, the second reinforcement plate 24 is welded to the inner wall of the tank body 1, one end of the reinforcement support rod 25 is welded to the first reinforcement plate 23, and the other end is welded to the second reinforcement plate 24.

[0032] Specifically, a certain gap is provided vertically between the tank bottom reinforcement assembly and the tank bottom plate, and a plurality of second mounting plates 13 are provided on the tank bottom plate. The second reinforcement plate 24 should be arranged away from the second mounting plate 13, and the second mounting plate 13 can be arranged between two adjacent second reinforcement plates 24. To ensure uniform force on the tank bottom plate, the second mounting plates 13 are evenly distributed on the tank bottom plate.

[0033] As one of the specific implementations, the second reinforcement plate 24 is an arc-shaped plate, and its curvature is adapted to the tank body 1, so that the second reinforcement plate 24 can be attached to the inner wall of the tank body 1, thereby increasing the contact area between the second reinforcement plate 24 and the tank body 1.

[0034] In an optimized implementation mode, the second mounting plate 13 is preferably a plate-type lifting lug, and the first mounting plate 12 is preferably a plate-type lifting lug. The first mounting plate 12 is connected to the second mounting plate 13 by a tensioning member 22, thereby reinforcing the bottom of the tank. Preferably, both the first mounting plate 12 and the second mounting plate 13 are provided with through holes for the tensioning member 22 to pass through.

[0035] Preferably, before lifting, the tensioning member 22 is pre-tightened between the first mounting plate 12 and the second mounting plate 13, and the tensioning member 22 includes a hand winch and a wire rope. In this embodiment, the middle and upper parts of the tank body 1 are reinforced by an expansion ring 21, and the tank bottom is connected to the upper part of the tank body 1 by a hand winch and a wire rope and tightened to increase the strength of the tank body 1 and effectively reduce the influence of stress on the geometric shape of the tank body 1 during lifting.

[0036] The expansion ring 21 can be arranged inside the tank body 1 or outside the tank body 1. In this embodiment, the expansion ring 21 is arranged inside the tank body 1. The expansion ring 21 is assembled from a plurality of expansion ring units. The expansion ring units are welded to the tank body 1, and adjacent expansion ring units are connected by a clamping plate 26 and a square wedge 27. The clamping plate 26 is connected to the tank body 1. Figure 2 shown.

[0037] As one of the specific implementations, the number of the first lifting ears is eight, and they are evenly distributed on the circumference of the same circumscribed circle along the circumferential direction on the outer side of the upper part of the tank body 1, and the first lifting ears 11 are located below the edging angle steel of the tank body 1.

[0038] Optimize the implementation method, as shown in the attached manual Figure 6 and 7 As shown, the balance beam assembly 3 includes at least one center plate 31, multiple first steel pipes 33 and multiple second steel pipes 34. In order to ensure the stability of the tank body 1 during the lifting process, an eight-lifting point balance beam design is adopted to maintain the stability of the lifting system, improve the strength of the tank body 1, and effectively avoid the risk of local deformation caused by uneven force of the lifting slings during the lifting and translation process of the tank; the number of the first lifting ears 11 is eight, and they are welded one by one at the lifting points of the tank. The first lifting ears 11 are preferably plate-type lifting ears. The number of the first steel pipes 33 is eight, and the first steel pipes 33 are connected end to end in sequence to form an annular balance beam body. The center plate 31 is located at the center of the annular balance beam body. The first lifting ear 11 is connected to the annular balance beam body through a fall chain 35. The annular balance beam body is connected to the center plate 31 through a second steel pipe 34. The second steel pipe 34 is preferably round steel.

[0039] Preferably, the center plate 31 is an S-shaped steel plate, and eight welding positions corresponding to the second steel pipes 34 are provided on its surface, and the second steel pipes 34 are welded to the center plate 31 .

[0040] In an optimized implementation mode, the balance beam assembly 3 further includes a second lifting lug 36 , wherein the second lifting lug 36 is connected to the first steel pipe 33 , and the fall chain 35 is connected to the second lifting lug 36 . Preferably, the second lifting lug 36 is arranged at the connection position of two adjacent first steel pipes 33 for connecting the fall chain 35 .

[0041] In an optimized implementation mode, the balance beam assembly 3 further includes a connecting plate 32 connected to the first steel tube 33, the connecting plate 32 is welded to the connecting position of two adjacent first steel tubes 33, and the second steel tube 34 is connected to the connecting plate 32. Preferably, the number of the center plates 31 is two, the number of the second steel tubes 34 is 16, the two center plates 31 are arranged side by side in the vertical direction, one end of the eight second steel tubes 34 is welded to the upper surface of the connecting plate 32 in a one-to-one correspondence, and the other end is welded to one of the center plates 31, and one end of the eight second steel tubes 34 is welded to the lower surface of the connecting plate 32 in a one-to-one correspondence, and the other end is welded to another center plate 31.

[0042] In an optimized implementation mode, the hoisting mechanism 4 includes a hoist 41 and a hoisting rope 43. The hoisting rope 43 can be a steel wire rope. A hook 42 is provided at the output end of the hoist. The steel wire rope is passed through the second lifting lug 36 and gathered above the balance beam assembly 3. The steel wire rope is hung on the hook 42 for hoisting the storage tank. After the hoisting is completed, the balance beam assembly 3 can be recycled and reused to save costs.

[0043] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0044] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.

Claims

1. A tank integral lifting tool, characterized in that: It includes a tank body reinforcement mechanism for reinforcing the tank body, a balance beam assembly for connecting to a first lifting ear on the tank body, and a lifting mechanism connected to the balance beam assembly. The tank body reinforcement mechanism includes a tank bottom reinforcement assembly for connecting to the bottom of the inner wall of the tank body, a plurality of expansion rings for abutting against the inner wall of the tank body, and a plurality of first mounting plates for mounting on the inner wall of the tank body above the tank bottom reinforcement assembly. Each of the first mounting plates is connected to a tensioning member for connecting to a second mounting plate on the tank bottom.

2. The overall lifting tool for storage tanks according to claim 1 is characterized in that: The tank bottom reinforcement assembly includes a first reinforcement plate and a plurality of second reinforcement plates connected to the bottom of the inner wall of the tank body and arranged around the first reinforcement plate, and each of the second reinforcement plates is connected to the first reinforcement plate via a reinforcement support rod.

3. The overall lifting tool for storage tanks according to claim 2 is characterized in that: The tensioning member is pre-tightened between the second mounting plate and the first mounting plate, and the tensioning member includes a hand chain hoist and a steel wire rope.

4. The overall lifting tool for storage tanks according to claim 1 is characterized in that: The balance beam assembly includes at least one center plate, multiple first steel tubes and multiple second steel tubes. The multiple first steel tubes are connected end to end in sequence to form an annular balance beam body. The center plate is located at the center of the annular balance beam body. The annular balance beam body is connected to the first lifting ear of the tank body through a fall chain. The annular balance beam body is connected to the center plate through the second steel tube.

5. The overall lifting tool for storage tanks according to claim 4 is characterized in that: The balance beam assembly also includes a second lifting lug, wherein the second lifting lug is connected to the first steel pipe, and the fall chain is connected to the second lifting lug.

6. The overall lifting tool for storage tanks according to claim 4 is characterized in that: The balance beam assembly further comprises a connecting plate connected to the first steel pipe, and the second steel pipe is connected to the connecting plate.

7. The overall lifting tool for storage tanks according to claim 4 is characterized in that: Adjacent first steel pipes are welded to each other, and two ends of the second steel pipe are respectively welded to the annular balance beam body and the center plate.

8. The overall lifting tool for storage tanks according to claim 1 is characterized in that: The lifting mechanism comprises a lifting machine and a lifting rope connected to a lifting hook of the lifting machine, and the lifting rope is connected to a balance beam assembly.

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