L-shaped profile hanging and hoisting device
By designing the L-shaped profile suspension hoisting device, the combined structure of the lifting arm and the suspension main arm is used to solve the problem of the lower end asymmetry of T-shaped steel or H-shaped steel profiles, and efficient lifting and dismantling are achieved, saving construction costs and improving efficiency .
Patent Information
- Application Number
- CN202421189089.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-29
AI Technical Summary
In marine engineering projects, the lower ends of T-shaped steel or H-shaped steel have asymmetric left and right, and it is impossible to install the card to suspend the reverse chain. Moreover, if the temporary hanging point is welded, the welding and later cutting, grinding and painting work will be huge.
Design an L-shaped profile suspension hoisting device, including a boom and a suspended main arm. The suspended main arm is fixed to the boom by fastening bolts, and the suspended hanging point is connected to the reverse chain to realize the lifting operation in the vertical direction of the object to be suspended. .
Through this device, welding, cutting and grinding of suspension hanging points is eliminated, manpower and material resources are saved, construction efficiency is improved, and the lifting process is simplified.
Smart Images

Figure CN222454254U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of offshore petroleum engineering, and in particular relates to an L-shaped profile suspension hoisting device. Background Art
[0002] During the general assembly and construction phase, the modules of marine engineering projects need to be hoisted into place one by one according to the deck segments, and then the professional brackets, pipelines, equipment, etc. under the deck segments need to be transported and installed. Due to the obstruction of the deck segments above, it is impossible to use a crane to hoist them into place from above. It is necessary to assemble and weld temporary lifting points under each deck segment, and then hang tools such as fall chains to transport the brackets, pipelines, small equipment and other professional materials one by one. Currently in conventional module projects, the load-bearing structures under the deck segments are all T-shaped steel or H-shaped steel, and the flanges at both ends can be used as load-bearing structures.
[0003] For T-shaped steel or H-shaped steel, clamps are installed symmetrically on the left and right, or temporary lifting points are welded together, and then the fall chains are hung to transport and install professional materials. Since the lower end of the profile is asymmetrical, clamps cannot be installed to hang the fall chains. If temporary lifting points are welded, the welding and subsequent cutting, grinding and repainting work will be extremely time-consuming.
[0004] Therefore, it is urgent to design a L-shaped profile suspension hoisting device to solve the above-mentioned suspension and reverse transportation problems. Utility Model Content
[0005] In order to solve the technical problem that the lower end of the profile mentioned in the background technology is asymmetrical on the left and right, and it is impossible to install a clamp for hanging and reversing chains, and if a temporary hanging point is welded, the assembly welding and subsequent cutting, grinding and repainting work will cost a lot, an L-shaped profile hanging and lifting device is provided to solve the problems of hanging and reversing.
[0006] To achieve the above purpose, the specific technical solution of the L-shaped profile hanging and hoisting device of the utility model is as follows:
[0007] An L-shaped profile suspension hoisting device comprises a boom and a suspension main arm, the suspension main arm is connected to the boom, one end of the boom away from the suspension main arm is connected to the upper main deck, the suspension main arm is provided with a through hole, a fastening bolt is screwed in the through hole of the suspension main arm, the fastening bolt is connected to the boom to fix the suspension main arm on the boom, the suspension main arm is connected to a suspension point, a fall chain is connected in the suspension point, and the fall chain is connected to the suspension point of the suspended object.
[0008] Furthermore, the boom includes a first connecting arm and a second connecting arm, the first connecting arm is vertically connected to the upper main deck, and one end of the first connecting arm away from the upper main deck is vertically connected to the second connecting arm.
[0009] Furthermore, the suspension main arm includes a base plate, a first clamping arm and a second clamping arm, and the first clamping arm and the second clamping arm are respectively connected to two ends of the base plate.
[0010] Furthermore, the first clamping arm is provided with a through hole, a fastening bolt is screwed into the through hole of the first clamping arm, the fastening bolt abuts against the second connecting arm, and the second clamping arm is clamped on the second connecting arm so that the bottom plate abuts against the second connecting arm.
[0011] Furthermore, a first through hole and a second through hole are spaced apart on the first clamping arm, a first fastening bolt is threaded into the first through hole, and a second fastening bolt is threaded into the second through hole.
[0012] Furthermore, the first fastening bolt and the second fastening bolt are both abutted against the second connecting arm, and the first fastening bolt and the second fastening bolt are respectively screwed with fastening nuts at one end away from the second connecting arm, so that the first fastening bolt and the second fastening bolt are screwed tightly on the first clamping arm.
[0013] Furthermore, main arm nuts are connected to the first through hole and the second through hole, so that the first fastening bolt and the second fastening bolt are screwed on the main arm nuts.
[0014] Furthermore, a suspension point is vertically connected to the bottom plate, and a fall chain is connected in an opening of the suspension point to facilitate installation and removal.
[0015] Furthermore, the first connecting arm is vertically welded to the upper main deck, and one end of the first connecting arm away from the upper main deck is vertically welded to the second connecting arm, so that the boom is L-shaped.
[0016] Furthermore, the first clamping arm and the second clamping arm are respectively vertically welded to the two ends of the bottom plate so that the suspension main arm is U-shaped.
[0017] The L-shaped profile hanging and hoisting device of the utility model has the following advantages:
[0018] By connecting multiple booms at intervals on the upper main deck, and connecting the main booms to the multiple booms respectively, the main booms are connected with hanging points, and the fall chains are connected to the hanging points, so that installation and removal can be achieved through the fall chains; the main booms are screwed with fastening bolts, so that the fastening bolts are connected to the booms, so that the main booms are stably fixed on the booms. In the process of hoisting the object in place, the application connects the hanging points with the hanging points on the object to realize the lifting operation in the vertical direction of the object, eliminating the need for welding, cutting and grinding of the hanging points; after the hoisting is completed, the main booms are removed, which not only saves manpower and material resources, but also improves construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a connection diagram of the L-shaped profile suspension hoisting device of the utility model;
[0020] Figure 2It is a front view of the main wall suspended by the L-shaped profile suspension hoisting device of the utility model.
[0021] Description of the markings in the figure:
[0022] 1. Upper main deck; 2. Suspension point; 3. First connecting arm; 4. Second connecting arm; 5. Bottom plate; 6. First clamping arm; 7. Second clamping arm; 8. First fastening bolt; 9. Second fastening bolt; 10. Fastening nut. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0024] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.
[0025] Please refer to the attached Figure 1 To Attachment Figure 2 The utility model describes an L-shaped profile hanging and hoisting device.
[0026] like Figure 1As shown, the L-shaped profile suspension hoisting device in the utility model includes a boom and a suspension main boom, the suspension main boom is connected to the boom, and one end of the boom away from the suspension main boom is connected to the upper main deck 1, the suspension main boom is provided with a through hole, a fastening bolt is screwed into the through hole of the suspension main boom, and the fastening bolt is connected to the boom, so that the suspension main boom is fixed on the boom, and a suspension point 2 is connected to the suspension main boom, and a fall chain is connected to the suspension point 2, and the fall chain is connected to the suspension point of the object being suspended. By connecting multiple booms at intervals on the upper main deck 1, and connecting the suspension main booms to the multiple booms respectively, the suspension main boom is connected to the suspension point 2, and the fall chain is connected to the suspension point 2, so that installation and removal can be achieved through the fall chain; the fastening bolt is screwed on the suspension main boom, so that the fastening bolt is connected to the boom, so that the suspension main boom is stably fixed on the boom. During the process of hoisting the object into place, the present application connects the suspension point 2 with the upper suspension point of the object to realize the vertical lifting operation of the object, eliminating the need for welding, cutting and grinding of the suspension point; after the hoisting is completed, the main suspension arm is removed, which not only saves manpower and material resources, but also improves construction efficiency.
[0027] Further, if Figure 1 and Figure 2 As shown, the boom includes a first connecting arm 3 and a second connecting arm 4, the first connecting arm 3 is vertically connected to the upper main deck 1, and the end of the first connecting arm 3 away from the upper main deck 1 is vertically connected to the second connecting arm 4; the suspension main arm includes a base plate 5, a first clamping arm 6 and a second clamping arm 7, the first clamping arm 6 and the second clamping arm 7 are respectively connected to the two ends of the base plate 5; the first clamping arm 6 is provided with a through hole, and a fastening bolt is screwed in the through hole of the first clamping arm 6, the fastening bolt abuts on the second connecting arm 4, and the second clamping arm 7 is clamped on the second connecting arm 4 so that the base plate 5 abuts against the second connecting arm 4.
[0028] In this embodiment, the first connecting arm 3 is vertically welded to the lower side of the upper main deck 1, and one end of the first connecting arm 3 away from the lower side of the upper main deck 1 is vertically welded to the second connecting arm 4. Preferably, the second connecting arm 4 is parallel to the upper main deck 1, and a plurality of crane arms are spaced apart on the lower side of the upper main deck 1 to realize the on-site equipment transportation.
[0029] A first clamping arm 6 and a second clamping arm 7 are welded at both ends of the base plate 2. A through hole is opened at the end of the first clamping arm 6 away from the base plate 5, and a fastening bolt is screwed in the through hole of the first clamping arm 6, so that the first clamping arm 6 with the fastening bolt screwed is clamped at one end of the second connecting arm 7, the fastening bolt abuts on the second connecting arm 4, and the second clamping arm 7 is clamped at the end of the second connecting arm 4 away from the first clamping arm 6, so that the base plate 5 and the second connecting arm 4 are tightly abutted.
[0030] Further, if Figure 1 and Figure 2As shown, the first clamping arm 6 is provided with a first through hole and a second through hole at intervals, the first through hole is threaded with a first fastening bolt 8, and the second through hole is threaded with a second fastening bolt 9; the first fastening bolt 8 and the second fastening bolt 9 are both abutted against the second connecting arm 4, and the first fastening bolt 8 and the second fastening bolt 9 are respectively threaded with fastening nuts 10 at one end away from the second connecting arm 4, so that the first fastening bolt 8 and the second fastening bolt 9 are fastened and screwed on the first clamping arm 6; the first through hole and the second through hole are both connected with main arm nuts, so that the first fastening bolt 8 and the second fastening bolt 9 are screwed on the main arm nuts.
[0031] In this embodiment, preferably, a first through hole and a second through hole are spaced apart on the first clamping arm 6, the first fastening bolt 8 is screwed in the first through hole, and the second fastening bolt 9 is screwed in the second through hole, so that the first fastening bolt 8 and the second fastening bolt 9 are both abutted against the second connecting arm 4, and main arm nuts are welded in the first through hole and the second through hole, so that the first fastening bolt 8 and the second fastening bolt 9 are screwed to the main arm nuts.
[0032] The first fastening bolt 8 and the second fastening bolt 9 are both screwed with a fastening nut 10 at one end away from the second connecting arm 4, so as to achieve a stable connection between the first fastening bolt 8 and the second fastening bolt 9. When dismantling after inversion, the fastening nut 10 connecting the first fastening bolt 8 and the second fastening bolt 9 is removed to detach the suspension main arm clamped on the boom.
[0033] Further, if Figure 1 As shown, a suspension point 2 is vertically connected to the bottom plate 5, and a fall chain is connected in the opening of the suspension point 2 to facilitate installation and removal; the first connecting arm 3 is vertically welded to the upper main deck 1, and the end of the first connecting arm 3 away from the upper main deck 1 is vertically welded to the second connecting arm 4, so that the boom is L-shaped; the first clamping arm 6 and the second clamping arm 7 are vertically welded to the two ends of the bottom plate 5 respectively, so that the suspension main arm is U-shaped.
[0034] In this embodiment, a suspension point 2 is vertically welded to one end of the bottom plate 5 away from the second connecting arm 4. The suspension point 2 is provided with an opening, and a fall chain is connected in the opening. The fall chain is connected to the lifting point of the suspended object to realize the reverse transportation of the suspended object; the first connecting arm 3 is vertically welded to the upper main deck 1, and the first connecting arm 3 is vertically welded to the second connecting arm 4 at one end away from the upper main deck 1, so that the boom is L-shaped; the first clamping arm 6 and the second clamping arm 7 are vertically welded to both ends of the bottom plate 5, so that the suspension main arm is U-shaped, so that it is easy to clamp the suspension main arm to the boom.
[0035] The working principle of the L-shaped profile suspension hoisting device in the utility model is as follows:
[0036] A first connecting arm 3 is vertically welded on the upper main deck 1, and an end of the first connecting arm 3 away from the upper main deck 1 is vertically welded to the second connecting arm 4, so that the boom is set in an L shape, and the first clamping arm 6 and the second clamping arm 7 are vertically welded to the two ends of the base plate 5, so that the suspension main arm is U-shaped and clamped on the boom, and the first fastening bolt 8 and the second fastening bolt 9 are used to realize the clamping of the first clamping arm 6 on the second connecting arm 4, and the first fastening nut 8 and the second fastening bolt 9 are fixed by the first fastening nut and the second fastening nut, and a suspension point 2 is vertically welded at the lower end of the base plate 5, and a fall chain is connected between the suspension point 2 and the suspension point of the suspended object, thereby realizing the installation and removal of the suspended object. After the construction is completed, the first fastening nut and the second fastening nut of the first fastening bolt 8 and the second fastening bolt 9 can be removed to separate the suspension main arm from the second connecting arm 4.
[0037] Based on the L-shaped profile suspension hoisting device, the utility model connects multiple booms at intervals on the upper main deck 1, and connects the suspension main booms to the multiple booms respectively, the suspension main booms are connected with suspension points 2, and the fall chains are connected to the suspension points, so that installation and removal can be achieved through the fall chains; the suspension main booms are screwed with first fastening bolts 8 and second fastening bolts 9, so that the first fastening bolts 8 and the second fastening bolts 9 are connected to the second connecting arm 4, so that the suspension main booms are stably fixed on the second connecting arm 4. In the process of hoisting the object to be hoisted into place, the application connects the suspension points 2 with the upper suspension points of the object to be hoisted, so as to realize the lifting operation of the object to be hoisted in the vertical direction, and eliminates the need for welding, cutting and grinding of the suspension points 2; after the hoisting is completed, the suspension main booms are removed, which not only saves manpower and material resources, but also improves the construction efficiency.
[0038] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.
Claims
1. An L-shaped profile hanging and hoisting device, characterized in that: It includes a boom and a suspension main boom, the suspension main boom is connected to the boom, one end of the boom away from the suspension main boom is connected to the upper main deck, the suspension main boom is provided with a through hole, a fastening bolt is screwed in the through hole of the suspension main arm, the fastening bolt is connected to the boom to fix the suspension main boom on the boom, a suspension hanging point is connected to the suspension hanging point, a fall chain is connected to the fall chain, and the fall chain is connected to the hanging point of the suspended object.
2. The L-shaped profile hanging and hoisting device according to claim 1, characterized in that: The boom comprises a first connecting arm and a second connecting arm, wherein the first connecting arm is vertically connected to the upper main deck, and an end of the first connecting arm away from the upper main deck is vertically connected to the second connecting arm.
3. The L-shaped profile hanging and hoisting device according to claim 1, characterized in that: The suspension main arm comprises a bottom plate, a first clamping arm and a second clamping arm, and the first clamping arm and the second clamping arm are respectively connected to two ends of the bottom plate.
4. The L-shaped profile hanging and hoisting device according to claim 3, characterized in that: The first clamping arm is provided with a through hole, a fastening bolt is screwed in the through hole of the first clamping arm, the fastening bolt abuts against the second connecting arm, and the second clamping arm is clamped on the second connecting arm so that the bottom plate abuts against the second connecting arm.
5. The L-shaped profile hanging and hoisting device according to claim 4, characterized in that: The first clamping arm is provided with a first through hole and a second through hole at intervals. A first fastening bolt is screwed into the first through hole, and a second fastening bolt is screwed into the second through hole.
6. The L-shaped profile hanging and hoisting device according to claim 5, characterized in that: The first fastening bolt and the second fastening bolt are both abutted against the second connecting arm, and the first fastening bolt and the second fastening bolt are respectively screwed with fastening nuts at one end away from the second connecting arm, so that the first fastening bolt and the second fastening bolt are screwed tightly on the first clamping arm.
7. The L-shaped profile hanging and hoisting device according to claim 5, characterized in that: The first through hole and the second through hole are both connected with a main arm nut, so that the first fastening bolt and the second fastening bolt are screwed on the main arm nut.
8. The L-shaped profile hanging and hoisting device according to claim 4, characterized in that: A hanging point is vertically connected to the bottom plate, and a fall chain is connected in the opening of the hanging point to facilitate installation and removal.
9. The L-shaped profile hanging and hoisting device according to claim 2, characterized in that: The first connecting arm is vertically welded on the upper main deck, and one end of the first connecting arm away from the upper main deck is vertically welded on the second connecting arm, so that the boom is L-shaped.
10. The L-shaped profile hanging and hoisting device according to claim 6, characterized in that: The first clamping arm and the second clamping arm are respectively vertically welded to the two ends of the bottom plate so that the suspension main arm is U-shaped.