Lifting tool for rack type pile leg
By designing a removable lifting workpiece for rack-type pile legs, the problem of increasing costs of welding lifting lugs is solved, and efficient lifting and cost reduction effects are achieved.
Patent Information
- Application Number
- CN202422348321.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-26
AI Technical Summary
In the prior art, when welding the lifting lugs, the completed pile legs need to be fired again, which increases the cost, and the lifting lugs after welding need to be flawed verification and removed, resulting in complex and high cost of lifting.
A lifting worker for rack-type pile legs is designed, including a detachable lifting mechanism, which consists of connecting plates, fixing plates, drive plates and fastening blocks, and the installation and fixing of the lifting mechanism is achieved by using driving thread columns and handles to avoid welding hanging lugs on the pile legs body.
The lifting efficiency is improved, the lifting cost is reduced, and the device can be reused, avoiding the steps of welding and cutting the lifting lugs, and simplifying the lifting process.
Smart Images

Figure CN223060518U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of leg assembly, and particularly relates to a hoisting tool for a rack-type leg. Background Art
[0002] As an offshore engineering ship, a wind power installation ship is mainly used for the transportation and hoisting of offshore wind power equipment. The hull is matched with legs inserted into the seabed through a hydraulic pin-type lifting device, and the ship body gradually rises a certain distance above the water surface by hydraulic pressure to form a jack-up platform.
[0003] At present, when domestic shipyards carry out the offloading of leg segments, they are hoisted after welding lifting lugs. When welding the lifting lugs, it is necessary to carry out re-welding operations on the completed leg segments. At the same time, in order to ensure the welding quality, the welded lifting lugs must be inspected by flaw detection, which increases the cost. After hoisting, it is also necessary to cut off the welded lifting lugs and repair the welding points. Content of the Utility Model
[0004] The purpose of the utility model is to address the deficiencies of the prior art and provide a hoisting tool for a rack-type leg to solve the problems that when welding lifting lugs, it is necessary to carry out re-welding operations on the completed leg segments, and at the same time, in order to ensure the welding quality, the welded lifting lugs must be inspected by flaw detection, which increases the cost. After hoisting, it is also necessary to cut off the welded lifting lugs and repair the welding points.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A hoisting tool for a rack-type leg includes a leg body and a hoisting mechanism detachably arranged on the leg body. The hoisting mechanism includes a connecting plate whose inner side wall is attached to the outer side wall of the arc-shaped plate on the leg body. Fixed plates are symmetrically arranged on both sides of the connecting plate. A driving plate is arranged at the bottom of the end of the fixed plate away from the connecting plate. A driving threaded hole is penetrated through the driving plate, and a driving threaded column is screwed in the driving threaded hole. A fastening block is slidably arranged at the bottom of the fixed plate inside the driving plate. A fastening groove for accommodating the tooth block on the leg body is opened in the fastening block. An arc-shaped guard plate is arranged on one side of the bottom of the fastening block, and a lifting lug plate is arranged on the bottom end surface of the fastening block.
[0007] As a preferred technical solution of the utility model, one end of the driving threaded column extends to the inside of the driving plate and is rotatably connected to the fastening block, and the other end of the driving threaded column extends to the outside of the driving plate and is provided with a driving handle.
[0008] As a preferred technical solution of the utility model, a plurality of uniformly distributed reinforcing plates are arranged at the connection between the fastening block and the arc-shaped guard plate.
[0009] As a preferred technical solution of the present utility model, a conducting block is provided on the top end face of the fastening block, and a conducting groove for the displacement of the conducting block is opened on the bottom end face of the fixing plate.
[0010] As a preferred technical solution of the present utility model, a first fastening hole for inserting a fastening bolt is opened on the conducting block, and a second fastening hole communicating with the first fastening hole is penetrated and opened on the fixing plate.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] During use, the hoisting mechanism is installed on both sides of the leg body, so that the inner end face of the connecting plate fits against the outer wall of the arc-shaped plate of the leg body. By rotating the driving handle to drive the driving threaded column to drive the fastening block to displace, one of the tooth blocks on the leg body is inserted into the fastening groove of the fastening block. At this time, the first fastening hole on the fastening block communicates with the second fastening hole on the fixing plate. The fastening bolt is inserted into the connected first fastening hole and second fastening hole for fixation, that is, the hoisting mechanism is installed on the leg body. Through the setting of the hoisting mechanism, the present utility model can protect the leg body during hoisting, avoid hoisting by welding lifting lugs on the leg body, improve the hoisting efficiency of the leg, and at the same time, the device can be disassembled and reused, greatly reducing the hoisting cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is the overall structural schematic diagram of the present utility model;
[0014] Figure 2 is the structural schematic diagram of the hoisting mechanism of the present utility model;
[0015] Figure 3 is the connection relationship diagram of the fastening block and the arc-shaped guard plate of the present utility model;
[0016] In the figure: 1. Hoisting mechanism; 101. Connecting plate; 102. Fixing plate; 103. Driving plate; 104. Fastening block; 105. Driving threaded column; 106. Driving handle; 107. Fastening groove; 108. Arc-shaped guard plate; 109. Reinforcing plate; 110. Lifting lug plate; 111. Conducting groove; 112. Second fastening hole; 113. First fastening hole; 114. Conducting block; 2. Leg body; 201. Arc-shaped plate; 202. Tooth block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The following elaborates on the preferred embodiments of the present utility model in detail with reference to the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.
[0018] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0019] Embodiment
[0020] The present utility model provides a lifting tool for a rack-type leg, referring to Figures 1 - 3 as shown, which includes a leg body 2 and a plurality of lifting mechanisms 1 that are detachably arranged on the leg body 2 and can bear the lifting stress. Through the arrangement of the lifting mechanism 1, the present utility model can protect the leg body 1 during lifting, avoid welding lifting lugs on the leg body 1 for lifting, improve the lifting efficiency of the leg, and at the same time, the device can be disassembled and reused, greatly reducing the lifting cost.
[0021] The lifting mechanism 1 includes a connecting plate 101 whose inner side wall is attached to the outer side wall of the arc-shaped plate 201 on the leg body 2, and the connecting plate 101 is in a semi-circular structure. Fixing plates 102 integrally formed with the connecting plate 101 are symmetrically arranged on both sides of the connecting plate 101, thereby improving the connection strength and bearing capacity between the two. At the bottom end of the fixing plate 102 away from the connecting plate 101, there is a driving plate 103. A driving threaded hole is penetrated through the driving plate 103, and a driving threaded column 105 is screwed in the driving threaded hole. A fastening block 104 is slidably arranged on the bottom end surface of the fixing plate 102 inside the driving plate 103. A fastening groove 107 for accommodating the tooth block 202 on the leg body 2 is formed in the fastening block 104. An arc-shaped protective plate 108 is arranged on one side of the bottom of the fastening block 104. A lifting lug plate for installing a lifting rope is arranged on the bottom end surface of the fastening block 104.
[0022] Wherein, one end of the driving threaded column 105 extends to the inside of the driving plate 103 and is rotatably connected to the fastening block 104, and the other end of the driving threaded column 105 extends to the outside of the driving plate 103 and is provided with a driving handle 106. Through the arrangement of the driving handle 106, it is convenient for the staff to operate the driving threaded column 105 to drive the fastening block 104 to displace.
[0023] Furthermore, a plurality of uniformly distributed reinforcing plates 109 are arranged at the connection between the fastening block 104 and the arc-shaped protective plate 108. Through the arrangement of the reinforcing plates 109, the connection strength between the fastening block 104 and the arc-shaped protective plate 108 is improved.
[0024] Furthermore, a guiding block 114 with a trapezoidal structure is provided on the top end face of the fastening block 104, and a guiding groove 111 for the displacement of the guiding block 114 is formed on the bottom end face of the fixing plate 102. Through the arrangement of the guiding block 114 and the guiding groove 111, the stability of driving the threaded column 105 to drive the fastening block 104 to displace is improved, and at the same time, the connection strength between the fastening block 104 and the fixing plate 102 is enhanced.
[0025] Furthermore, a first fastening hole 113 for inserting a fastening bolt is formed on the guiding block 114, and a second fastening hole 112 communicating with the first fastening hole 1113 is formed through the fixing plate 102. Through the cooperation of the second fastening hole 112 and the first fastening hole 113 with the fastening bolt, the displaced fastening block 104 can be limited and fixed.
[0026] The working principle of the present utility model is as follows:
[0027] During use, the lifting mechanism 1 is installed on both sides of the leg body 2, such that the inner end face of the connecting plate 101 is attached to the outer side wall of the arc-shaped plate 201 of the leg body 1. By rotating the driving handle 106 to drive the threaded column 105 to drive the fastening block 104 to displace, one of the tooth blocks 202 on the leg body 2 is inserted into the fastening groove 107 of the fastening block 104. At this time, the first fastening hole 113 on the fastening block 104 communicates with the second fastening hole 112 on the fixing plate 102. The fastening bolt is inserted into the communicating first fastening hole 113 and second fastening hole 112 for fixation, that is, the lifting mechanism 1 is installed on the leg body 2. Through the arrangement of the lifting mechanism 1 of the present utility model, the leg body 2 can be protected during hoisting, avoiding welding lifting lugs on the leg body 2 for hoisting, improving the hoisting efficiency of the leg, and at the same time, the device can be disassembled and reused, greatly reducing the hoisting cost.
[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] The above-described embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.
Claims
1. A hoisting tooling for a rack-type leg, comprising a leg body (2) and a hoisting mechanism (1) detachably arranged on the leg body (2), characterized in that: The hoisting mechanism (1) includes a connecting plate (101) whose inner sidewall is attached to the outer sidewall of the arc-shaped plate (201) on the pile leg body (2). Fixed plates (102) are symmetrically arranged on both sides of the connecting plate (101). A driving plate (103) is provided at the bottom of one end of the fixed plate (102) away from the connecting plate (101). A driving threaded hole is penetrated through the driving plate (103), and a driving threaded column (105) is screwed in the driving threaded hole. A fastening block (104) is slidably arranged at the bottom of the fixed plate (102) inside the driving plate (103). A fastening groove (107) for accommodating the tooth block (202) on the pile leg body (2) is formed in the fastening block (104). An arc-shaped guard plate (108) is provided on one side of the bottom of the fastening block (104). A lifting lug plate (110) is provided on the bottom end face of the fastening block (104).
2. The lifting tool for a rack-type leg according to claim 1, characterized in that: One end of the driving threaded column (105) extends to the inside of the driving plate (103) and is rotatably connected to the fastening block (104), and the other end of the driving threaded column (105) extends to the outside of the driving plate (103) and is provided with a driving handle (106).
3. The lifting tool for a rack-type leg according to claim 1, characterized in that: A plurality of uniformly distributed reinforcing plates (109) are provided at the connection between the fastening block (104) and the arc-shaped guard plate (108).
4. A hoisting tool for a rack-type leg, according to claim 1, characterized in that: A guiding block (114) is provided on the top end face of the fastening block (104), and a guiding groove (111) for the displacement of the guiding block (114) is formed in the bottom end face of the fixed plate (102).
5. The lifting tool for a rack-type leg according to claim 4, characterized in that: A first fastening hole (113) for inserting a fastening bolt is formed in the guiding block (114), and a second fastening hole (112) communicating with the first fastening hole (113) is penetrated through the fixed plate (102).