Full-automatic lifting appliance for concrete pipe

By designing fully automatic spreaders, the use of hydraulic systems and connecting rods to achieve damage-free lifting of concrete pipes, the problems of wear and labor intensity in the prior art are solved, and safety and efficiency are improved.

CN223225648UActive Publication Date: 2025-08-15LIAOYANG SHUIGONG CEMENT PROD OF LIAONING YANSHUI GROUP
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Patent Information

Application Number
CN202422335570.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-08-15
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

Existing concrete pipe lifting equipment has problems of wearing product appearance, increasing labor intensity and safety risks.

Method used

A fully automatic spreader including a lifting ring, a fixed sleeve, a movable sleeve, a cylinder, a connecting rod and a hydraulic system is designed. The cylinder and a connecting rod are driven by a hydraulic system to achieve tightening and lifting of the inner wall of the concrete pipe, and the spring rod is used to enhance the connection strength to avoid wear and manual operation.

Benefits of technology

The damage-free lifting is achieved, which reduces the maintenance costs and labor intensity of workers, and improves the lifting safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223225648U_ABST
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Abstract

The utility model discloses a full-automatic lifting appliance for a concrete pipe, which comprises a lifting ring, a fixed sleeve is mounted on the lower wall of the lifting ring, a movable sleeve is arranged at the lower end of the fixed sleeve, an oil cylinder is mounted on the fixed sleeve, and the movable end of the oil cylinder is mounted on the movable sleeve; the lifting device is reasonable in structure and novel in design, firstly, a lifting hook of a crane is operated to be connected with the upper lifting ring, the crane lifts the lifting device to the position over a product needing to be lifted, connection between the fixed sleeve and the movable sleeve is reinforced through the arranged spring rod, connection between the oil cylinder and the movable sleeve is prevented from being broken, and connection between the oil cylinder and the movable sleeve is achieved through the arranged connecting structure. The supporting plate can be lifted, the connecting strength between the movable sleeve and the fixed sleeve is further improved, a hydraulic system provides power to tightly support the inner wall of a product, the effect of lifting the product is achieved, the appearance of the product is not damaged, the repair and maintenance cost is reduced, and the labor intensity of workers is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete pipe hangers, in particular to a full-automatic hanger for concrete pipes. Background Art

[0002] Conventional lifting requires the use of wire ropes and hook pins for transportation. Due to the products' height and bulk, and their weights ranging from several to over ten tons, conventional lifting equipment can cause wear and damage to the wire ropes and hook pins. Furthermore, manual labor is required to connect the lifting equipment to the product, adding to the labor involved. Furthermore, when products are stacked two stories high, reaching a height of 4-5 meters, workers must climb ladders to detach the two-story products from the lifting equipment, further posing a risk to worker safety. Utility Model Content

[0003] In order to address the shortcomings of the existing technology, a fully automatic concrete pipe hoist is disclosed, which includes a lifting ring, a fixed sleeve is installed on the lower wall of the lifting ring, a movable sleeve is provided at the lower end of the fixed sleeve, an oil cylinder is installed on the fixed sleeve, and the movable end of the oil cylinder is installed on the movable sleeve;

[0004] A plurality of fixing structures are evenly arranged between the movable sleeve and the fixed sleeve, and the fixing structures are cross-arranged with connecting rods, which are rotatably connected to each other. The cross-arranged connecting rods are rotatably mounted on the fixed sleeve and the movable sleeve respectively, and the other ends of the cross-arranged connecting rods are rotatably connected to the support plate;

[0005] The fixed sleeve is provided with a hydraulic system for driving the oil cylinder;

[0006] A plurality of spring rods are arranged between the fixed sleeve and the movable sleeve.

[0007] Preferably, a wear-resistant plate is installed on the support plate.

[0008] Preferably, the support plate and the fixing sleeve are connected via a connecting structure.

[0009] Preferably, the connection structure includes a sliding rod welded to the upper wall of the support plate, a trapezoidal slider is provided on the sliding rod, a sliding rail is slidably connected to the trapezoidal slider, and the sliding rail is fixed to the fixing sleeve.

[0010] The utility model has the following beneficial effects: the utility model has a reasonable structure and a novel design. First, the hook of the crane is connected to the upper lifting ring. The crane hoists the device and moves it to the top of the product to be lifted. The sling is adjusted according to the inner wall size of the product. The equipment is started with a remote control. At this time, the hydraulic system provides power to the oil cylinder. If the support plate outside the sling cannot be placed inside the product, the size of the sling needs to be adjusted. At this time, the oil cylinder is extended with a remote control. The oil cylinder pushes the movable sleeve downward, making the cross angle of the connecting rod larger and shortening the distance between the support plates. When the required size is reached, the sling is placed inside the product. The oil cylinder needs to be retracted to drive the movable sleeve to rise, so that the angle of the connecting rod becomes smaller, and the support plate extends outward at the same time, which plays a role in tightening the inner wall of the product, so as to achieve the purpose of lifting the product. The spring rod is provided to strengthen the connection between the fixed sleeve and the movable sleeve to prevent the connection between the oil cylinder and the movable sleeve from breaking. The provided connection structure can play a lifting role on the support plate, further improving the connection strength between the movable sleeve and the fixed sleeve. The hydraulic system provides power to tighten the inner wall of the product, thereby achieving the effect of lifting the product, and without damaging the appearance of the product, reducing the cost of repair and maintenance, and reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the utility model.

[0012] In the figure: 1-lifting ring, 2-fixed sleeve, 3-movable sleeve, 4-oil cylinder, 5-connecting rod, 6-support plate, 7-hydraulic system, 8-spring rod, 9-wear-resistant plate, 10-slide rod, 11-trapezoidal slider, 12-slide rail. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] See also Figure 1 A fully automatic concrete pipe hoist comprises a lifting ring 1, a fixed sleeve 2 is installed on the lower wall of the lifting ring 1, a movable sleeve 3 is provided at the lower end of the fixed sleeve 2, an oil cylinder 4 is installed on the fixed sleeve 2, and the movable end of the oil cylinder 4 is installed on the movable sleeve 3;

[0015] A plurality of fixed structures are evenly arranged between the movable sleeve 3 and the fixed sleeve 2. The fixed structures are cross-arranged with connecting rods 5, which are rotatably connected to each other. The cross-arranged connecting rods 5 are rotatably mounted on the fixed sleeve 2 and the movable sleeve 3 respectively. The other ends of the cross-arranged connecting rods 5 are rotatably connected to the support plate 6. A hydraulic system 7 for driving the oil cylinder 4 is provided on the fixed sleeve 2.

[0016] First, operate the crane hook to connect it with the upper lifting ring 1, and use the crane to lift the device to the top of the product to be lifted. Adjust the sling according to the size of the inner wall of the product, and start the equipment with the remote control. At this time, the hydraulic system 7 provides power to the oil cylinder 4. If the support plate 6 on the outside of the sling cannot be placed inside the product, the size of the sling needs to be adjusted. At this time, use the remote control to extend the oil cylinder 4, and the oil cylinder 4 pushes the movable sleeve 3 downward to increase the crossing angle of the connecting rod 5 and shorten the distance between the support plates 6. When the required size is reached, put the sling into the product. At this time, it is necessary to operate the oil cylinder 4 to retract and drive the movable sleeve 3 to rise, so that the angle of the connecting rod 5 becomes smaller, and the support plate 6 extends outward at the same time, which plays a role in tightening the inner wall of the product and achieves the purpose of lifting the product.

[0017] A plurality of spring rods 8 are provided between the fixed sleeve 2 and the movable sleeve 3 to strengthen the connection between the fixed sleeve 2 and the movable sleeve 3 and prevent the connection between the oil cylinder 4 and the movable sleeve 3 from breaking;

[0018] A wear-resistant plate 9 is installed on the support plate 6 to protect the support plate 6;

[0019] The support plate 6 and the fixed sleeve 2 are connected by a connecting structure, which includes a sliding rod 10 welded to the upper wall of the support plate 6, and a trapezoidal slider 11 is provided on the sliding rod 10. The trapezoidal slider 11 is slidably connected to the slide rail 12, and the slide rail 12 is fixed to the fixed sleeve 2. When the support plate 6 moves left and right, the trapezoidal slider 11 moves on the slide rail 12. Through the cooperation of the sliding rod 10, the trapezoidal slider 11 and the slide rail 12, the support plate 6 can be lifted, thereby further improving the connection strength between the movable sleeve 3 and the fixed sleeve 2.

[0020] Embodiment: First, operate the hook of the crane to connect with the upper lifting ring 1, and the crane hoisting device is moved to the top of the product to be lifted. The sling is adjusted according to the inner wall size of the product, and the equipment is started by the remote control. At this time, the hydraulic system 7 provides power to the cylinder 4. If the support plate 6 on the outside of the sling cannot be placed inside the product, the size of the sling needs to be adjusted. At this time, the remote control is used to control the extension of the cylinder 4. The cylinder 4 pushes the movable sleeve 3 downward, so that the crossing angle of the connecting rod 5 becomes larger and the distance between the support plates 6 is shortened. When the required size is reached, the sling is placed into the product. At this time, it is necessary to operate the cylinder 4 to retract and drive the movable sleeve 3 to rise, so that the angle of the connecting rod 5 becomes smaller, and the support plates 6 extend outward at the same time, which plays a role in supporting the inner wall of the product to achieve the purpose of lifting the product. The spring rod 8 is provided to strengthen the connection between the fixed sleeve 2 and the movable sleeve 3 to prevent the connection between the cylinder 4 and the movable sleeve 3 from breaking. The provided connection structure can play a lifting role on the support plate 6, further improving the connection strength between the movable sleeve 3 and the fixed sleeve 2.

[0021] In the description of this solution, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "communicating" should be understood broadly. For example, they may refer to fixed, removable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; internal communication between two components; and wireless or wired connections. Those skilled in the art will understand the specific meanings of these terms in this disclosure based on specific circumstances.

[0022] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic concrete pipe hanger, characterized in that: It comprises a lifting ring (1), a fixed sleeve (2) is installed on the lower wall of the lifting ring (1), a movable sleeve (3) is provided at the lower end of the fixed sleeve (2), an oil cylinder (4) is installed on the fixed sleeve (2), and the movable end of the oil cylinder (4) is installed on the movable sleeve (3); A plurality of fixed structures are evenly arranged between the movable sleeve (3) and the fixed sleeve (2); the fixed structures have cross-arranged connecting rods (5); the cross-arranged connecting rods (5) are rotatably connected to each other; the cross-arranged connecting rods (5) are rotatably mounted on the fixed sleeve (2) and the movable sleeve (3), respectively; and the other ends of the cross-arranged connecting rods (5) are rotatably connected to a support plate (6); The fixed sleeve (2) is provided with a hydraulic system (7) for driving the oil cylinder (4); A plurality of spring rods (8) are provided between the fixed sleeve (2) and the movable sleeve (3).

2. The fully automatic concrete pipe hanger according to claim 1, characterized in that: A wear-resistant plate (9) is installed on the support plate (6).

3. The fully automatic concrete pipe hanger according to claim 1, characterized in that: The support plate (6) and the fixing sleeve (2) are connected via a connecting structure.

4. A fully automatic concrete pipe hanger according to claim 3, characterized in that: The connection structure comprises a slide rod (10) welded to the upper wall of the support plate (6), a trapezoidal slider (11) is provided on the slide rod (10), a slide rail (12) is slidably connected to the trapezoidal slider (11), and the slide rail (12) is fixed to the fixed sleeve (2).