A transfer device for PE pipe production
By using a combination of double hooks and lifting clamps during the PE pipe hoisting process, the problems of deformation and bending during PE pipe hoisting are solved, ensuring product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI KINGBULL PIPE IND
- Filing Date
- 2025-08-11
- Publication Date
- 2026-06-09
AI Technical Summary
In existing technologies, PE pipes are prone to deformation at the end contact points and bending in the middle during hoisting and transportation, which affects product quality.
The system employs a double-hook design with a rubber sleeve on the hook for cushioning, and uses lifting clamps to provide tension in the middle of the pipe to prevent deformation and bending.
This effectively reduces the risk of extrusion deformation at the pipe ends, ensures that the pipes remain straight during hoisting, and improves product quality.
Smart Images

Figure CN224337017U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe handling technology, specifically a transfer device for PE pipe production. Background Technology
[0002] PE pipe (polyethylene pipe) is a thermoplastic polyolefin pipe produced by copolymerization of ethylene. It is widely used in building water supply and drainage, municipal engineering, farmland irrigation, water diversion projects and other fields. After PE pipes come off the production line, they often need to be transferred during transportation and storage. If the quantity is small and the weight is light, it can be handled manually. However, for large quantities and heavy weights, transfer equipment is required.
[0003] In factory workshops, the most common method of lifting and transporting pipes is by crane. In existing technology, hooks are attached to both ends of the pipe, and steel wire ropes connect the hooks to the crane's hooks for lifting and transport. This method has two main problems for heavier PE pipes: First, the force concentration at the contact point between the hook and the pipe end is too high, easily causing excessive deformation and defects at the end contact point; second, with force applied to both ends of the pipe, the middle section, due to its length, its own weight, and the pushing force exerted by the hooks at both ends, causes the pipe to bend downwards. This can easily lead to stretching on the lower surface and compression on the upper surface of the middle section, posing a risk of deformation and wrinkles, affecting product quality. Therefore, this method has its shortcomings. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a transfer device for PE pipe production, which solves the problem that PE pipes are prone to defects and affect quality during the hoisting and transfer process by hooking both ends with hooks.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:
[0006] A transfer device for PE pipe production includes a horizontal balance beam. A hanging hole is provided at the center of the balance beam near the upper surface. Fixing rings are fixed at the center and both sides of the bottom of the balance beam. The fixing rings on both sides of the bottom of the balance beam are respectively connected to the hooks for lifting pipes by lifting cables. The fixing ring at the center of the bottom of the balance beam is connected to the lifting clamp for holding the pipes by lifting cables.
[0007] The hook includes two hooks that are symmetrically inserted into the central hole of the pipe. The top ends of the two symmetrical hooks are fixedly connected to a connecting ring. The lower end of the lifting cable connected to the hook is connected to the connecting ring.
[0008] The lifting clamp includes scissor-type jaws that grip the surface of the pipe from top to bottom. Each of the two halves of the jaws is movably hinged to a movable connecting rod. The top of the movable connecting rods are movably hinged to a connecting buckle. The lower end of the lifting cable connected to the lifting clamp is fixed to the connecting buckle.
[0009] Preferably, the balance beam is an I-beam, and a reinforcing plate is fixed at the top of the balance beam at the position corresponding to the hanging hole.
[0010] Preferably, the lifting cable is one or a combination of chain, wire rope, sling, and nylon rope.
[0011] Preferably, the lengths of the suspension cables on both sides of the bottom of the balance beam are equal, and the grippers hold the middle surface of the pipe.
[0012] Preferably, the gripper is an arc-shaped plate component with its lower half bent inward, and a rubber pad is fixed on the inner side of the gripper at the position corresponding to the pipe.
[0013] Preferably, the hook is a V-shaped component, and a rubber sleeve is fixedly fitted on the surface of the pipe portion corresponding to the hook.
[0014] Preferably, the bottoms of the two hooks of the hook are inclined towards the front and back respectively, and the included angle between the two hooks is 30°-120°.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] This utility model features a double-hook design for the hooks at both ends of the pipe, with rubber sleeves for cushioning and pressure distribution. This significantly reduces the risk of pipe end compression deformation. While the pipe is being lifted by the hooks, the middle section is simultaneously lifted upwards using grippers, providing tension to the middle of the pipe. This prevents the pipe from bending, deforming, and wrinkling in the middle due to deformation, thus eliminating potential problems during pipe lifting and ensuring product quality upon delivery. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a front view of the hook and pipe of this utility model;
[0019] Figure 3 This is a side view of the hook and pipe of this utility model;
[0020] Figure 4 This is a top view of the hook of this utility model;
[0021] Figure 5 This is a front view of the hoisting clamp and pipe of this utility model;
[0022] Figure 6 This is a side view of the hoisting clamp and pipe of this utility model.
[0023] In the diagram: 1. Balance beam; 101. Hanging hole; 102. Fixing ring; 103. Reinforcing plate; 2. Lifting cable; 3. Pipe; 4. Lifting hook; 401. Hook; 402. Connecting ring; 403. Rubber sleeve; 5. Lifting clamp; 501. Gripper; 502. Movable connecting rod; 503. Connecting buckle; 504. Rubber pad. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] like Figure 1-6 As shown, this utility model provides a technical solution: a transfer device for PE pipe production, including a horizontal balance beam 1, a hanging hole 101 is provided at the center of the balance beam 1 near the upper surface, the balance beam 1 is an I-beam component, a reinforcing plate 103 is fixed at the top of the balance beam 1 corresponding to the hanging hole 101 to improve the structural strength, and fixing rings 102 are fixed at the center and both sides of the bottom of the balance beam 1.
[0026] The fixing rings 102 on both sides of the bottom of the balance beam 1 are respectively connected to the hooks 4 for lifting the pipe 3 by the lifting cable 2. The fixing ring 102 in the center of the bottom of the balance beam 1 is connected to the lifting clamp 5 for clamping the pipe 3 by the lifting cable 2. The lifting cable 2 is one or a combination of chain, wire rope, sling, and nylon rope.
[0027] The hook 4 includes two hooks 401 that are symmetrically inserted into the holes of the pipe 3. The tops of the two hooks 401 are fixedly connected to the connecting ring 402. The lower end of the lifting cable 2 connected to the hook 4 is connected to the connecting ring 402. The hook 401 is a V-shaped component, and a rubber sleeve 403 is fixedly fitted on the surface of the part of the pipe 3 corresponding to the hook 401. The bottoms of the two hooks 401 of the hook 4 are inclined to the front and back respectively, and the included angle between the two hooks 401 is 30°-120°.
[0028] The lifting clamp 5 includes a scissor-type jaw 501 that clamps the surface of the pipe 3 from top to bottom. The jaw 501 is an arc-shaped plate component with its lower half bent inward. A rubber pad 504 is fixed on the inner side of the jaw 501 at the position corresponding to the pipe 3. The lifting cables 2 on both sides of the bottom of the balance beam 1 are of equal length. The jaw 501 clamps the middle surface of the pipe 3 to ensure that the pipe 3 is lifted in a relatively straight state.
[0029] Each of the two halves of the gripper 501 is movably hinged to a movable link 502. The top of the movable link 502 is movably hinged to the connecting buckle 503. The lower end of the lifting cable 2, which is connected to the lifting clamp 5, is fixed to the connecting buckle 503.
[0030] Working principle:
[0031] The crane hook is directly hooked onto the hanging hole 101, or indirectly connected to the hanging hole 101 via a chain, wire rope, sling, or nylon rope. During hoisting, the balance beam 1 is lowered, and the lifting cable 2 remains slack. The worker holds the double hooks 401 of the hook 4 on the pipe wall above both ends of the pipe 3, manually opens the jaws 501 and closes them to lock them in the middle of the pipe 3. The crane slowly raises the balance beam 1, and the lifting cable 2 gradually tightens. Through the tension, the hook 4 is hooked onto the upper wall of both ends of the pipe 3, and the jaws 501 clamp the middle of the pipe 3, achieving the purpose of applying tension to both ends and the middle for lifting. The rubber pads 504 and rubber sleeves 403 both have a buffering effect, dispersing the stress points of the pipe 3, avoiding deformation caused by squeezing, and protecting the quality of the product.
Claims
1. A transfer device for PE pipe production, characterized in that: The system includes a horizontal balance beam (1), with a hanging hole (101) located near the upper surface in the center of the balance beam (1). Fixing rings (102) are fixed at the center and both sides of the bottom of the balance beam (1). The fixing rings (102) on both sides of the bottom of the balance beam (1) are connected to hooks (4) for lifting pipes (3) via lifting cables (2). The fixing ring (102) at the center of the bottom of the balance beam (1) is connected to a lifting clamp (5) for holding the pipes (3) via lifting cables (2). The hook (4) includes hooks (401) that are symmetrically inserted into the hole in the pipe (3). The top ends of the two hooks (401) that are symmetrically inserted into the hole are fixedly connected to the connecting ring (402). The lower end of the lifting cable (2) connected to the hook (4) is connected to the connecting ring (402). The lifting clamp (5) includes a scissor-type jaw (501) that clamps the surface of the pipe (3) from top to bottom. The top of each of the two halves of the jaw (501) is movably hinged to a movable connecting rod (502). The top of the movable connecting rod (502) is movably hinged to a connecting buckle (503). The lower end of the lifting cable (2) connected to the lifting clamp (5) is fixed to the connecting buckle (503).
2. The transfer device for PE pipe production according to claim 1, characterized in that: The balance beam (1) is an I-beam structure, and a reinforcing plate (103) is fixed at the top of the balance beam (1) at the position corresponding to the hanging hole (101).
3. The transfer device for PE pipe production according to claim 1, characterized in that: The lifting cable (2) is one or a combination of chain, wire rope, sling, and nylon rope.
4. The transfer device for PE pipe production according to claim 1, characterized in that: The suspension cables (2) on both sides of the bottom of the balance beam (1) are of equal length, and the gripper (501) clamps the middle surface of the pipe (3).
5. A transfer device for PE pipe production according to claim 1, characterized in that: The gripper (501) is an arc-shaped plate component with its lower half bent inward, and a rubber pad (504) is fixed on the inner side of the gripper (501) at the position corresponding to the pipe (3).
6. A transfer device for PE pipe production according to claim 1, characterized in that: The hook (401) is a V-shaped component, and a rubber sleeve (403) is fixedly fitted on the surface of the corresponding part of the pipe (3).
7. A transfer device for PE pipe production according to claim 1, characterized in that: The bottoms of the two hooks (401) of the hook (4) are inclined to the front and back respectively, and the included angle between the two hooks (401) is 30°-120°.