Round sleeve hoisting tool and hoisting method thereof

Abstract

The embodiment of the invention provides a round sleeve hoisting tool and a hoisting method thereof.The hoisting tool comprises a basic hanging bracket, the basic hanging bracket is arranged in an inner cavity of a round sleeve, and the size of the basic hanging bracket is smaller than that of the inner cavity of the round sleeve; the supporting pieces are installed on the basic hanging bracket, one ends of the supporting pieces are connected with the basic hanging bracket, the other ends of the supporting pieces extend out of the edge of the basic hanging bracket and support the bottom edge of the circular sleeve, and the size of the combined basic hanging bracket and the supporting pieces is larger than the size of an inner cavity of the circular sleeve. According to the embodiment of the invention, the round sleeve is hoisted through the cooperation of the basic hanging bracket and the supporting piece, round sleeve base metal is not damaged, the hoisting difficulty of the round sleeve is reduced, and the construction efficiency of the round sleeve is improved; meanwhile, the lifting arm is in sliding connection with the L-shaped supporting plate, the position of the L-shaped supporting plate can be rapidly adjusted in a push-pull operation mode, operation is easy and rapid, operation can be easily conducted by one person, and after the lifting tool and the lifting rigging are connected, lifting construction of a plurality of round sleeves can be sequentially completed without repeated disassembly and assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of circular sleeve hoisting construction, in particular to a circular sleeve hoisting tooling and a hoisting method thereof. Background Art

[0002] On the lifting foundation of pile-inserting ships and offshore platforms, a circular sleeve needs to be installed. Welding lifting lugs is not allowed on the circular sleeve, and no lifting lug feet can be generated. The installation and positioning process must meet the accuracy and quality requirements. The ordinary hoisting with fiber belts takes a long time, and the hook and unhooking are prone to wear, with great operation difficulty and long occupation of crane and labor time. Therefore, there is an urgent need for a tooling that can safely and quickly hoist and position the circular sleeve, reduce the hoisting construction difficulty, and improve the hoisting efficiency. Summary of the Invention

[0003] In view of the above problems existing in the prior art, the embodiments of the present invention provide a circular sleeve hoisting tooling and a hoisting method thereof to solve the technical problems of great operation difficulty and low construction efficiency existing in the prior art.

[0004] The embodiments of the present invention provide a circular sleeve hoisting tooling and a hoisting method thereof, including:

[0005] A basic hanger, which is arranged in the inner cavity of the circular sleeve, and its size is smaller than the size of the inner cavity of the circular sleeve;

[0006] A plurality of groups of supporting members, which are installed on the basic hanger, one end of which is connected to the basic hanger, and the other end extends beyond the edge of the basic hanger and supports the bottom edge of the circular sleeve, and the size after the combination of the basic hanger and the supporting members is larger than the size of the inner cavity of the circular sleeve.

[0007] In one embodiment, the basic hanger includes a plurality of boom arms, the plurality of boom arms are arranged radially, the inner ends of the plurality of boom arms converge and are fixedly connected, a chute is opened at the outer end of the boom arm, and a supporting member is slidably embedded in the chute. When the supporting member slides to the outermost first position, the supporting member is located at the bottom of the side wall of the circular sleeve. When the supporting member slides to the innermost second position, the supporting member is located within the projection range of the inner cavity of the circular sleeve.

[0008] In one embodiment, the boom arm is made of channel steel, its abdominal cavity serves as the chute, and a cover plate is welded and fixed between the two wing plates at the end thereof;

[0009] The supporting member adopts the structural form of an L-shaped support plate. The transverse plate of the L-shaped support plate slides and abuts against the web of the boom arm, its vertical plate is perpendicular to its transverse plate, and the top edge of its vertical plate extends beyond the top edge of the cover plate.

[0010] In one embodiment, a limiting plate is further disposed in the boom abdominal cavity inside the cover plate. When the vertical plate of the L-shaped support plate abuts against the limiting plate, the horizontal plate of the L-shaped support plate is located below the cover plate, and the edge of its horizontal plate is within the projection range of the inner cavity of the round sleeve.

[0011] In one embodiment, a lifting lug is fixedly welded on the cover plate.

[0012] In one embodiment, the distance between the top edge of the lifting lug and the top edge of the round sleeve does not exceed 10 cm.

[0013] In one embodiment, a lifting hole is formed at the end of the horizontal plate of the L-shaped support plate.

[0014] In one embodiment, the free edge of the lifting tooling is polished into a rounded corner.

[0015] In one embodiment, an anti-rust paint is coated on the lifting tooling.

[0016] In one embodiment, the present invention further provides a construction method for hoisting a round sleeve, including the following steps:

[0017] Step S1: Connect the basic hanger to the hoisting rigging, and then lower it to the bottom end of the round sleeve in the inner cavity of the round sleeve;

[0018] Step S2: Adjust the position of the supporting member so that the supporting member extends below the side wall of the round sleeve and supports the round sleeve;

[0019] Step S3: Lift the hoisting rigging and hoist the round sleeve into place;

[0020] Step S4: Lower the hoisting rigging and adjust the position of the supporting member so that the supporting member is removed from below the side wall of the round sleeve;

[0021] Step S5: Lift the hoisting rigging and take out the basic hanger from the inner cavity of the round sleeve.

[0022] Compared with the prior art, the beneficial effects of a round sleeve hoisting tooling and its hoisting method provided by the embodiments of the present invention are as follows:

[0023] 1. In the embodiment of the present invention, the round sleeve is hoisted through the cooperation of the basic hanger and the supporting member, which will not damage the base material of the round sleeve, reduces the hoisting difficulty of the round sleeve, and improves the construction efficiency of the round sleeve;

[0024] 2. In the embodiment of the present invention, the boom and the L-shaped support plate are slidably connected, and the position of the L-shaped support plate can be quickly adjusted by means of pushing and pulling operations. The operation is simple and fast, and can be easily operated by one person. Moreover, after the hoisting tooling is connected to the hoisting rigging, multiple round sleeves can be hoisted and constructed in sequence without repeated disassembly and assembly;

[0025] 3. The embodiment of the present invention has a simple structure, is light in weight, is easy to manufacture, has a small cost investment, and has good practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 FIG. 5 is a three-dimensional structural schematic diagram of a circular sleeve hoisting tooling provided by an embodiment of the present invention;

[0027] Figure 2 FIG. 6 is a top-view structural schematic diagram of a circular sleeve hoisting tooling provided by an embodiment of the present invention;

[0028] Figure 3 FIG. 7 is a side-view structural schematic diagram of a circular sleeve hoisting tooling provided by an embodiment of the present invention.

[0029] REFERENCE SIGNS:

[0030] 1, boom; 2, L-shaped support plate; 3, chute; 4, cover plate; 5, limit plate; 6, lifting lug. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] To enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Reference is made herein to the various aspects and features of the present application with reference to the accompanying drawings.

[0033] These and other features of the present application will become apparent from the following description of the preferred forms of the embodiments given by way of non-limiting examples with reference to the accompanying drawings.

[0034] It should also be understood that although the present application has been described with reference to some specific examples, those skilled in the art can surely implement many other equivalent forms of the present application, which have the features as described in the claims and thus are all within the protection scope defined thereby.

[0035] When combined with the accompanying drawings, the above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description.

[0036] Hereinafter, specific embodiments of the present application will be described with reference to the accompanying drawings; however, it should be understood that the embodiments claimed are merely examples of the present application and can be implemented in various ways. Well-known and / or repetitive functions and structures have not been described in detail to clarify the true intention based on the user's historical operations and to avoid unnecessary or redundant details from obscuring the present application. Therefore, the specific structural and functional details claimed herein are not intended to be limiting, but are merely used as a basis and representative basis for the claims to teach those skilled in the art to use the present application in substantially any suitable detailed structure in a variety of ways.

[0037] This specification may use phrases such as "in one embodiment", "in another embodiment", "in yet another embodiment", or "in other embodiments", which may all refer to one or more of the same or different embodiments according to the present application.

[0038] The principles and features of the present invention will be described below in conjunction with the accompanying drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention. The following combines Figures 1-3 , and further details of the preferred embodiments of the present invention are described as follows:

[0039] An embodiment of the present invention provides a circular sleeve hoisting tooling, including:

[0040] A basic hanger, which is arranged in the inner cavity of the circular sleeve, and its size is smaller than the size of the inner cavity of the circular sleeve;

[0041] Several groups of supporting members, which are installed on the basic hanger, one end of which is connected to the basic hanger, and the other end extends beyond the edge of the basic hanger and supports the bottom edge of the circular sleeve, and the size after the combination of the basic hanger and the supporting members is larger than the size of the inner cavity of the circular sleeve;

[0042] Among them, the structural form and specific dimensions of the basic hanger need to be comprehensively determined through calculation according to the shape and size of the circular sleeve, and the installation and cooperation form of the supporting members and the basic hanger can be reasonably selected according to specific construction requirements. For example, it can be designed in a way of sliding to adjust the length, a detachable fixing way of connecting by bolting and further adjusting the length through bolt holes arranged at intervals, etc.;

[0043] As Figures 1-3 shown, in one embodiment, the basic hanger includes several lifting arms 1, several lifting arms 1 are arranged radially, the inner ends of several lifting arms 1 converge and are fixedly connected, a chute 3 is opened at the outer end of the lifting arm 1, and a supporting member is slidably embedded in the chute 3. When the supporting member slides to the outermost first position, the supporting member is located at the bottom of the side wall of the circular sleeve. When the supporting member slides to the innermost second position, the supporting member is located within the projection range of the inner cavity of the circular sleeve. Of course, for the convenience of manufacturing, the number of the lifting arms 1 is preferably three or four. Figures 1-3 In the shown embodiment, four lifting arms 1 are provided, and four lifting arms 1 have great advantages in the welding production stage. It is only necessary to arrange and weld the lifting arms 1 in a cross shape. In order to ensure the structural strength of the lifting arms 1 while simplifying the structures of the lifting arms 1 and the supporting members to reduce the difficulties in the material selection, production, installation, etc. of the lifting arms 1 and the supporting members, the lifting arms 1 are made of channel steel (for cost reduction and waste utilization, the on-site waste channel steel can be directly used), its abdominal cavity serves as the chute 3, and a cover plate 4 is welded and fixed between the two wing plates at the end thereof;

[0044] The supporting member adopts the structural form of an L-shaped supporting plate 2. The horizontal plate of the L-shaped supporting plate 2 is slidably attached to the web of the boom 1. (Generally, a gap of about 5 mm is reserved between the cover plate 4 and the horizontal plate of the L-shaped supporting plate 2, which will neither affect the sliding of the horizontal plate, ensuring that it can be smoothly pushed in and pulled out, nor can it ensure the stability of the horizontal plate, making it convenient for the horizontal plate to better and more stably transfer the force to the cover plate 4 when supporting the round sleeve. Of course, after manufacturing and assembly are completed, a push-pull test needs to be carried out on the L-shaped supporting plate 2 to ensure its flexible sliding.) Its vertical plate is perpendicular to its horizontal plate, and the top edge of its vertical plate extends beyond the top edge of the cover plate 4. The cover plate 4 blocks the vertical plate of the L-shaped supporting plate 2 to limit the L-shaped supporting plate 2 and prevent it from slipping out of the end of the chute 3. At the same time, the cover plate 4 cooperates with the L-shaped supporting plate 2 to transfer the gravity of the round sleeve to the boom 1, ensuring the stability and safety of the hoisting. Similarly, in order to prevent the L-shaped supporting plate 2 from slipping out of the rear end of the chute 3, a limiting plate 5 is also provided in the abdominal cavity of the boom 1 inside the cover plate 4. When the vertical plate of the L-shaped supporting plate 2 abuts against the limiting plate 5, the horizontal plate of the L-shaped supporting plate 2 is located below the cover plate 4, and the edge of its horizontal plate is within the projection range of the inner cavity of the round sleeve. That is, at this time, the L-shaped supporting plate 2 is in the above-mentioned second position. With such a setting, it can be ensured that the L-shaped supporting plate 2 is always located within the chute 3, avoiding frequent disassembly and assembly operations on the L-shaped supporting plate 2. Its position can be conveniently adjusted only by pulling and pushing actions, so that it can be quickly switched between the working state (the first position) and the non-working state (the second position). At the same time, the limiting plate 5 can also play the role of a stiffening rib to a certain extent, improving the overall strength of the boom 1. On this basis, in order to prevent the L-shaped supporting plate 2 from retracting when in use (that is, when in the first position), a square hole can be opened on the web of the boom 1, and a T-shaped pin can be added in the square hole to resist the L-shaped supporting plate 2. When the L-shaped supporting plate 2 needs to be pulled back to the second position, the T-shaped pin needs to be removed in advance;

[0045] In an embodiment, in order to facilitate the quick connection of the hoisting rigging, a lifting lug 6 is welded and fixed on the cover plate 4, and the distance between the top edge of the lifting lug 6 and the top edge of the round sleeve does not exceed 10 cm, and the installation position of the lifting lug is kept at a certain distance from the end of the boom 1 to avoid the problem of collision and friction between the shackle and the round sleeve during hoisting. In this way, the lifting hole of the lifting lug 6 can be set near the top edge of the round sleeve. When installing and disassembling the shackle of the hoisting rigging during operation, there is no need to reach into the bottom of the round sleeve for operation. On the one hand, it can avoid the problem of operators reaching their hands into a narrow space for operation to a certain extent, and on the other hand, it can also make the operator's vision wider, reducing the operation difficulty. At the same time, the relatively high lifting lug 6 can support the round sleeve when the round sleeve is misaligned, making the position stability of the round sleeve better. Considering the traction problem, a small lifting lug (or an additional lifting hole) can also be welded on the lifting lug 6 to be used as the traction point for tying the traction rope;

[0046] In one embodiment, a lifting hole is provided at the end of the horizontal plate of the L-shaped support plate 2, and this lifting hole can be used as an auxiliary lifting hole. That is, on the same L-shaped support plate 2, a lifting rope is provided on both the inner and outer sides of the side wall of the round sleeve. The outer lifting rope serves as a safety rope to prevent the round sleeve from slipping off;

[0047] Of course, to enhance the stability of the round sleeve after lifting, the height of the lifting lug 6 can also be increased so that its top end extends beyond the top end of the round sleeve. Then, a sliding and fixedly clamped clamping plate is further provided on the extended part, and the clamping plate and the L-shaped support plate 2 cooperate to form limits on both the top and bottom ends of the round sleeve;

[0048] In one embodiment, to prevent the outer convex edges and corners of the lifting tooling from causing bumps or scratches to the round sleeve, and at the same time to prevent bumps and injuries to the operators, the free edge position of the lifting tooling is ground into a rounded corner;

[0049] In one embodiment, to ensure the durability of the lifting tooling and extend its service life, an anti-rust paint is applied to the lifting tooling.

[0050] In addition, in one embodiment, the present invention also provides a method for hoisting and constructing a round sleeve, which is used in the process of using the above-mentioned tooling, and mainly includes the following steps:

[0051] Step S1: Connect the basic hanging frame with the hoisting rigging, and then lower it to the bottom end of the round sleeve in the inner cavity of the round sleeve. Specifically, push the L-shaped support plate 2 backward along the chute 3 so that the vertical plate of the L-shaped support plate 2 abuts against the limiting plate 5 as much as possible. Then, connect the shackle of the hoisting rigging at the lifting lug 6. After the connection is completed, lift the tooling through the hoisting rigging and lower it along the inner cavity of the round sleeve to the bottom of the round sleeve to be hoisted;

[0052] Step S2: Adjust the position of the supporting member so that the supporting member extends below the side wall of the round sleeve and supports the round sleeve. Specifically, pull out the L-shaped support plate 2 forward along the chute 3 so that the horizontal plate of the L-shaped support plate 2 is inserted into the bottom end of the round sleeve and supports the round sleeve;

[0053] Step S3: Lift the hoisting rigging and hoist the round sleeve into place;

[0054] Step S4: Lower the hoisting rigging and adjust the position of the supporting member so that the supporting member is removed from below the side wall of the round sleeve. That is, first lower the hoisting rigging. When the bottom end of the round sleeve is in place and the hoisting rigging is in a non-tight state, push the L-shaped support plate 2 backward so that the horizontal plate of the L-shaped support plate 2 disengages from the bottom end face of the side wall of the round sleeve;

[0055] Step S5: Lift the hoisting rigging and take out the basic hanging frame from the inner cavity of the round sleeve.

[0056] Of course, the pushing and pulling operations of the L-shaped pallet 2 can be manually operated by the operator, or a telescopic power component can be additionally provided on the lifting arm 1 to realize the switching of the L-shaped pallet 2 between the first position and the second position through the telescopic power component.

[0057] The embodiments of the present invention have the following advantages:

[0058] 1. The above-mentioned lifting tooling highly conforms to the actual on-site production, does not damage the base material of the round sleeve, can be manufactured and used according to the diameter of the round sleeve, and has the characteristics of wide application range, simple implementation, convenience and speed.

[0059] 2. The above-mentioned lifting tooling is simple to operate, can be made with waste channel steel, and has a push-pull operation, which is convenient and fast. It can effectively improve the lifting efficiency, reduce the hoisting time of the crane, and save a large amount of cost.

[0060] 3. The above-mentioned lifting tooling has a small production cost investment, is light in weight, and can hoist multiple round sleeves in sequence without removing the tooling after being connected to the lifting rigging. One person can easily operate it, the operation process is simple and fast, and the use process is stable and safe.

[0061] The above embodiments are only exemplary embodiments of the present invention and are not used to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims

1. A round sleeve lifting tool, characterized in that: include: A basic hanger, which is arranged in the inner cavity of the circular sleeve and has a size smaller than that of the inner cavity of the circular sleeve; A plurality of groups of supporting members are installed on the basic hanger, one end of which is connected to the basic hanger, and the other end extends beyond the edge of the basic hanger and supports the bottom edge of the circular sleeve, and the size of the basic hanger and the supporting members after combination is larger than the inner cavity size of the circular sleeve.

2. A round sleeve lifting tool according to claim 1, characterized in that: The basic hanger comprises a plurality of suspension arms (1), the plurality of suspension arms (1) are arranged in a radial pattern, the inner ends of the plurality of suspension arms (1) are converged and connected and fixed, the outer ends of the suspension arms (1) are provided with a slide groove (3), and a support member is slidably embedded in the slide groove (3), when the support member slides to the outermost first position, the support member is located at the bottom of the side wall of the circular sleeve, when the support member slides to the innermost second position, the support member is located within the projection range of the inner cavity of the circular sleeve.

3. A round sleeve lifting tool according to claim 2, characterized in that: The boom (1) is made of channel steel, the belly of which serves as a slideway (3), and a cover plate (4) is welded and fixed between two wing plates at the end thereof; The supporting member adopts the structural form of an L-shaped supporting plate (2), the horizontal plate of the L-shaped supporting plate (2) is slidably attached to the web of the boom (1), the vertical plate is arranged perpendicular to the horizontal plate, and the top edge of the vertical plate exceeds the top edge of the cover plate (4).

4. The round sleeve lifting tool according to claim 3 is characterized in that: A limit plate (5) is also provided in the abdominal cavity of the hanging arm (1) on the inner side of the cover plate (4); when the vertical plate of the L-shaped support plate (2) abuts against the limit plate (5), the horizontal plate of the L-shaped support plate (2) is located below the cover plate (4), and the edge of the horizontal plate is located within the inner cavity projection range of the circular sleeve.

5. The round sleeve lifting tool according to claim 3 is characterized in that: A hanging weight (6) is welded and fixed on the cover plate (4).

6. A round sleeve lifting tool according to claim 5, characterized in that: The distance between the top edge of the hanging bracket (6) and the top edge of the round sleeve is no more than 10 cm.

7. The round sleeve lifting tool according to claim 3 is characterized in that: A hanging hole is provided at the end of the transverse plate of the L-shaped support plate (2).

8. The round sleeve lifting tool according to claim 1, characterized in that: The free edge of the lifting tool is polished into a rounded corner.

9. The round sleeve lifting tool according to claim 1, characterized in that: The hoisting tooling is coated with anti-rust paint.

10. A circular sleeve hoisting construction method, characterized in that: The steps include: Step S1, connecting the basic hanger to the lifting rigging, and then lowering it into the inner cavity of the circular sleeve to the bottom end of the circular sleeve; Step S2, adjusting the position of the supporting member so that the supporting member extends below the side wall of the circular sleeve and supports the circular sleeve; Step S3, lifting the lifting rigging and lifting the round sleeve into place; Step S4, lowering the lifting rigging, adjusting the position of the supporting member, and removing the supporting member from below the side wall of the circular sleeve; Step S5, lifting the hoisting rigging to take the basic hanger out of the inner cavity of the circular sleeve.

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