Lifting tool with adjustable gravity center

Abstract

The utility model provides a gravity center adjustable hoisting tool which comprises a bearing frame and a gravity center adjusting assembly, the bearing frame comprises a hoisting plate and a cross beam and is used for integrally supporting and connecting a hoisted object, and the cross beam comprises a main beam, a shackle base and a reinforcing long rib; the gravity center adjusting assembly comprises a shackle, a movable lifting chain, an adjustable lifting chain and a lifting ring and is used for adjusting the overall balance to adapt to different heavy objects. According to the tool, the problem that the gravity center and the lifting hook are not on the same vertical line in the carrying process of the long-cylinder parts can be solved, the situation that the workpieces are always in a relatively horizontal position in the lifting process is effectively achieved, the situations of hook sliding, unhooking and the like in the transferring process of the long-cylinder parts are reduced, and the safety during operation is improved; binding hoisting is replaced by bolt connection for part of workpieces, operation is more convenient, safety is higher, and operation efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting fixtures, and in particular relates to a hoisting fixture with adjustable center of gravity. Background Art

[0002] During the production and transportation of variable-diameter cylindrical parts, it is difficult to determine the center of gravity of the cylindrical parts due to changes in the diameter and wall thickness of the cylinder. The cylindrical appearance of the cylindrical parts makes it relatively difficult to fix them during lifting. If the center of gravity and the lifting point are not on the same vertical line, the cylindrical parts are very likely to rotate in the vertical direction, and may even cause dangers such as parts slipping, falling to the ground and rolling, which can easily cause damage to personnel and equipment. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The utility model provides a hoisting tool with adjustable center of gravity, so as to solve the technical problem of how to reduce the risk of hoisting operation of barrel products and improve the convenience of hoisting and transportation operation.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the utility model proposes a lifting tool with adjustable center of gravity, which includes a load-bearing frame and a center of gravity adjustment component; wherein the load-bearing frame is used to integrally support and connect the hoisted objects, and the center of gravity adjustment component is used to adjust the overall balance to adapt to different weights;

[0007] The load-bearing frame includes a hoisting plate and a crossbeam; the crossbeam includes a main beam, a shackle base and reinforcing long ribs; the main beam is the main structure of the crossbeam, and the bottom of the main beam is fixedly connected with reinforcing long ribs; the top of the main beam is fixedly connected with multiple shackle bases; a hoisting plate is fixedly connected to both ends of the main beam; bolt holes are reserved on the hoisting plate;

[0008] The center of gravity adjustment component includes a shackle, a movable lifting chain, an adjustable lifting chain and a lifting ring; wherein, a plurality of shackles are respectively connected to corresponding shackle bases; the movable lifting chain is installed in a movable manner, passing through the lifting ring and two shackles in sequence to form a movable triangular structure; the lower end of the adjustable lifting chain is connected to a shackle, and the upper end is fixedly connected to the lifting ring. According to the needs of center of gravity adjustment, the actual use length of the adjustable lifting chain can be adjusted accordingly.

[0009] Furthermore, the main beam adopts a welded square beam.

[0010] Furthermore, a plurality of reinforcing angle plates are fixedly connected between the main beam and the reinforcing long ribs.

[0011] Furthermore, the shackle base is a bow-shaped shackle base, and the shackle is a bow-shaped shackle.

[0012] Furthermore, the inner surface of the hanging plate is fixedly connected to both ends of the reinforcing long ribs at the same time.

[0013] Furthermore, hanging holes are reserved on the reinforcing long bars.

[0014] Furthermore, the plurality of shackles are respectively connected to the corresponding shackle bases by bolts.

[0015] (III) Beneficial effects

[0016] The utility model proposes a lifting tool with adjustable center of gravity, including a load-bearing frame and a center of gravity adjustment component. The load-bearing frame includes a lifting plate and a crossbeam, which is used to support and connect the hoisted objects as a whole. The crossbeam includes a main beam, a shackle base and a reinforcing long rib. The center of gravity adjustment component includes a shackle, a movable lifting chain, an adjustable lifting chain and a lifting ring, which is used to adjust the overall balance to adapt to different weights. This tool can solve the problem that the center of gravity and the hook are not on the same vertical line during the handling of long cylindrical parts, effectively realize that the workpiece is always in a relatively horizontal position during the lifting process, reduce the occurrence of slipping hooks, unhooking, etc. during the transportation of long cylindrical parts, and improve the safety during operation; bolt connection is suitable for some workpieces instead of bundling lifting, which is more convenient to operate and safer, and greatly improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of the utility model's lifting tool with adjustable center of gravity;

[0018] Figure 2 for Figure 1 AA section view;

[0019] Figure 3 This is a front view of the utility model of the lifting tool with adjustable center of gravity in use;

[0020] Figure 4 for Figure 3 BB cross-sectional view. DETAILED DESCRIPTION

[0021] In order to make the purpose, content and advantages of the utility model clearer, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments.

[0022] This embodiment provides a lifting tool with adjustable center of gravity, and its structure is as follows: Figure 1 and 2 As shown, it mainly includes a load-bearing frame and a center of gravity adjustment component. The load-bearing frame is used to support and connect the suspended objects as a whole, and the center of gravity adjustment component is used to adjust the overall balance to adapt to different weights.

[0023] The load-bearing frame includes a hoisting plate 1 and a crossbeam 2. The crossbeam 2 is composed of a welded square beam 201, a shackle base 202, a reinforcing long rib 203 and a reinforcing angle plate 204. Among them, the welded square beam 201 is the main structure of the crossbeam 2, and the bottom of the welded square beam 201 is welded with a reinforcing long rib 203, and a plurality of reinforcing angle plates 204 are welded between the welded square beam 201 and the reinforcing long rib 203. Six bow-shaped shackle bases 202 are welded to the top of the welded square beam 201. A hoisting plate 1 is welded to both ends of the welded square beam 201, and the inner surface of the hoisting plate 1 is welded and fixed to both ends of the reinforcing long rib 203 at the same time. Bolt holes are reserved on the hoisting plate 1, and bolt holes can be used to directly hoist a certain equipment by bolt connection, and bolts can also be used to add hoisting accessories to adapt to other types of cylindrical parts. Lifting holes are reserved on the reinforcing long rib 203.

[0024] The center of gravity adjustment assembly includes a bow shackle 3, a movable chain 4, an adjustable chain 5 and a lifting ring 6. Among them, the six bow shackles 3 are connected to the corresponding bow shackle base 202 by bolts. The movable chain 4 adopts a movable installation method, passing through the lifting ring 6 and two bow shackles 3 in sequence to form a movable triangular structure. The lower end of the adjustable chain 5 is connected to a bow shackle 3, and the upper end is fixedly connected to the lifting ring 6. According to the needs of center of gravity adjustment, the actual use length of the adjustable chain 5 can be adjusted accordingly.

[0025] This embodiment is aimed at aluminum long tube parts. When using the center of gravity adjustable lifting tool, such as Figure 3 and 4 As shown, the center of gravity adjustable tooling is hoisted above the long cylindrical part 8, and bolts are used to pass through the reserved bolt holes of the hoisting plate 1 and the reserved holes on the workpiece to achieve connection. Estimate the center of gravity position of the part 8 and the tooling after combination, connect the movable lifting chain 4 and the adjustable lifting chain 5 to the appropriate bow shackle base 202 using the bow shackle 3, use the hook 7 to perform the initial trial lifting, observe the offset between the center of gravity and the position of the lifting ring 6, adjust the actual use length of the adjustable lifting chain 5, adjust the overall force position, so that the center of gravity and the position of the lifting ring 6 are basically on the same vertical line, and then perform normal lifting, so as to achieve smooth lifting and transportation.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lifting tool with adjustable center of gravity, characterized in that: The center of gravity adjustable hoisting tool comprises a load-bearing frame and a center of gravity adjustment component; wherein the load-bearing frame is used for overall support and connection of the hoisted object, and the center of gravity adjustment component is used for adjusting the overall balance to adapt to different weights; The load-bearing frame includes a hoisting plate and a crossbeam; the crossbeam includes a main beam, a shackle base and reinforcing long ribs; the main beam is the main structure of the crossbeam, and the bottom of the main beam is fixedly connected with reinforcing long ribs; the top of the main beam is fixedly connected with a plurality of shackle bases; a hoisting plate is fixedly connected to both ends of the main beam; bolt holes are reserved on the hoisting plate; The center of gravity adjustment assembly includes a shackle, a movable lifting chain, an adjustable lifting chain and a lifting ring; wherein, a plurality of shackles are respectively connected to corresponding shackle bases; the movable lifting chain is installed in a movable manner, passing through the lifting ring and two shackles in sequence to form a movable triangular structure; the lower end of the adjustable lifting chain is connected to a shackle, and the upper end is fixedly connected to the lifting ring. According to the needs of center of gravity adjustment, the actual use length of the adjustable lifting chain can be adjusted accordingly.

2. The center of gravity adjustable lifting tool as claimed in claim 1, characterized in that: The main beam is a welded square beam.

3. The center-of-gravity adjustable lifting device according to claim 1, characterized in that: A plurality of reinforcing angle plates are fixedly connected between the main beam and the reinforcing long ribs.

4. The center-of-gravity adjustable hoisting tool as claimed in claim 1, characterized in that: The shackle base is a bow-shaped shackle base, and the shackle is a bow-shaped shackle.

5. The center-of-gravity adjustable hoisting tool as claimed in claim 1, characterized in that: The inner surface of the hanging plate is fixedly connected to both ends of the reinforcing long ribs.

6. The center-of-gravity adjustable hoisting tool as claimed in claim 1, characterized in that: A hanging hole is reserved on the reinforcing long rib.

7. The center-of-gravity adjustable hoisting tool as claimed in claim 1, characterized in that: The multiple shackles are connected to corresponding shackle bases through bolts respectively.

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