Clamp provided with protective structure and used for hot expansion of steel pipe

By designing a steel pipe hot expansion clamp with a protective structure, the problems of steel pipe warping and surface dust during the hot expansion process were solved. This enabled stable movement and cleaning of the steel pipe, improving production efficiency and product quality.

CN223699124UActive Publication Date: 2025-12-23TIANJIN TENGFEI STEEL PIPE CO LTD
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Patent Information

Application Number
CN202520038919.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-23
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Steel pipes are prone to warping or deformation during the hot expansion process, and dust easily adheres to their surface, affecting product quality and production efficiency.

Method used

A steel pipe thermal expansion clamp with a protective structure was designed, including a base, a frame, a rotating roller and a cleaning mechanism. The frame angle is adjusted by an electric telescopic rod, the rotating roller rolls to press the steel pipe to ensure stable movement, and the surface of the steel pipe is cleaned by a cleaning sleeve.

Benefits of technology

It effectively solves the problems of warping, deformation, and surface dust, ensuring stable movement of the steel pipe, preventing warping, keeping the surface clean, and improving production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe thermal expansion clamp with a protective structure, which comprises a base, frames are arranged at two ends of the top of the base, electric telescopic rods for adjusting the angles of the frames are mounted on the outer wall of the base, and a plurality of rollers are rotatably arranged on the inner walls of the frames at equal intervals. The inclination angle of the frame can be adjusted, the rotating rollers on the frame can make contact with the outer walls of the steel pipes, the rolling rotating rollers press the steel pipes, movement of the steel pipes can be guaranteed, the steel pipes with different diameters can be pressed, stable movement of the steel pipes is kept, and a cleaning mechanism is installed on the inner wall of the frame. The cleaning mechanism comprises symmetrical mounting rods rotationally arranged on the two sides of the inner wall of the frame, the outer walls of the mounting rods are sleeved with cleaning sleeves, and a notch is formed in the top of the base. According to the steel pipe pressing device, movement of steel pipes can be guaranteed, the steel pipes with different diameters can be pressed, stable movement of the steel pipes is kept, and the situation that the heads and the tails of the steel pipes tilt is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe hot expansion technical field especially relates to a steel pipe hot expansion clamp with protection structure. BACKGROUND

[0002] Hot expansion pipe refers to the steel pipe with low density but strong contraction, and the pipe diameter is expanded by using the inclined rolling method or drawing method, and the pipe is finished in the finishing process. In a short time, the steel pipe is thickened, the non-standard seamless pipe and special type seamless pipe can be produced, the cost is low, the production efficiency is high, and it is the development trend of international pipe rolling field.

[0003] The steel pipe is often processed at high temperature during hot expansion, and the support is not stable when being pushed, which can cause the tail end and the head end to be raised or deformed, and cause the problem of reduced hot expansion quality. In the production process, dust is easily adhered to the surface of the steel pipe. To this end, a steel pipe hot expansion clamp with a protection structure is designed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a steel pipe hot expansion clamp with a protection structure to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A steel pipe hot expansion clamp with a protection structure, comprising a base, the top of the base is provided with a frame at both ends, the outer wall of the base is provided with an electric telescopic rod for adjusting the angle of the frame, the inner wall of the frame is provided with a plurality of rotating rollers at equal intervals, the working of the electric telescopic rod can adjust the inclination angle of the frame, so that the rotating rollers on the frame can contact the outer wall of the steel pipe, the rotating rollers can press the steel pipe and ensure the movement of the steel pipe, and can press different diameters of the steel pipe, keep the stability of the movement of the steel pipe, and the inner wall of the frame is provided with a cleaning mechanism.

[0007] The cleaning mechanism comprises a mounting rod symmetrically arranged on the inner wall of the frame, and the outer wall of the mounting rod is provided with a cleaning sleeve, which can clean the outer wall of the steel pipe and keep it clean.

[0008] As a further scheme of the utility model, a notch is formed in the top of the base.

[0009] As a further scheme of the utility model, a handle is fixed to the outer wall of the base at four corners.

[0010] As a further scheme of the utility model, mounting arms are fixed to the both sides of the frame, and the mounting arms are rotatably connected to the outer wall of the base.

[0011] As a further scheme of the utility model, four electric telescopic rods are arranged, every two of which are arranged at the same end of the base, a second fixed lug is fixed to the outer wall of the base, the electric telescopic rod is rotatably arranged on the second fixed lug, a first fixed lug is fixed to the top of the outer wall of the frame, and the output shaft of the electric telescopic rod is rotatably connected with the outer wall of the first fixed lug.

[0012] As a further scheme of the utility model, a transmission mechanism for realizing the rotation of the mounting rod is mounted on the top of the frame, the transmission mechanism comprises a first synchronous wheel and a second synchronous wheel which are coaxially fixed with the mounting rod respectively, the first synchronous wheel and the second synchronous wheel are connected through a synchronous belt, a motor bracket is fixed to the top of the frame, a bidirectional motor is fixed to the motor bracket, the output shaft of the bidirectional motor is coaxially fixed with the first synchronous wheel, the transmission mechanism, the cleaning sleeve and the mounting rod are arranged, through the working of the bidirectional motor, the first synchronous wheel can be rotated, under the action of the synchronous belt, the second synchronous wheel can be rotated, and then the rotation of the cleaning sleeve is realized, when the steel pipe moves, the outer wall of the steel pipe can be cleaned, and the steel pipe can be kept clean.

[0013] The utility model discloses the beneficial effect is:

[0014] The utility model discloses: because adopt the base, the notched, the mounting arm, the frame, the rotating roller and the electric telescopic rod etc. of setting, steel pipe is pushed to the notched on the base, through the working of electric telescopic rod, the adjustment of the inclination angle of frame can be realized, makes the rotating roller on the frame can contact the outer wall of steel pipe, and the rolling rotating roller plays to press steel pipe and can guarantee the movement of steel pipe, and the diameter of different steel pipes can be pressed, keeps the stability of steel pipe movement, and prevents the situation that steel pipe is raised at the head and tail.

[0015] The utility model discloses: set up transmission mechanism, cleaning sleeve and mounting rod, through the working of bidirectional motor, the first synchronous wheel can be rotated, under the action of the synchronous belt, the second synchronous wheel can be rotated, and then the rotation of the cleaning sleeve is realized, when the steel pipe moves, the outer wall of the steel pipe can be cleaned, and the steel pipe can be kept clean. ACCURACY OF DRAWINGS

[0016] Figure 1 A kind of steel pipe hot expansion clamp three-dimensional structure schematic diagram with protective structure is proposed for the utility model;

[0017] Figure 2 A kind of steel pipe hot expansion clamp local three-dimensional structure schematic diagram is proposed for the utility model with protective structure;

[0018] Figure 3 A kind of steel pipe hot expansion clamp local three-dimensional structure schematic diagram is proposed for the utility model with protective structure;

[0019] Figure 4 The utility model provides a steel pipe hot expansion anchor clamps with protection structure Figure 3 The enlarged perspective structural schematic view of A in the figure.

[0020] In the figure: 1, base; 2, notch; 3, mounting arm; 4, frame; 5, rotating roller; 6, electric telescopic rod; 7, handle; 8, cleaning sleeve; 9, mounting rod; 10, transmission mechanism; 11, first synchronous wheel; 12, second synchronous wheel; 13, synchronous belt; 14, first fixed lug; 15, second fixed lug; 16, bidirectional motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments.

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] Reference Figures 1-4 A steel pipe hot expansion anchor clamp with a protection structure includes a base 1, both ends of the top of the base 1 are provided with frames 4, the outer wall of the base 1 is provided with electric telescopic rods 6 for adjusting the angle of the frame 4, the inner wall of the frame 4 is provided with rotating rollers 5 at equal intervals, the working of the electric telescopic rod 6 can adjust the inclination angle of the frame 4, so that the rotating rollers 5 on the frame 4 can contact the outer wall of the steel pipe, the rotating rollers 5 can press the steel pipe and ensure the movement of the steel pipe, and can press different diameters of the steel pipe to keep the stability of the movement of the steel pipe, and the inner wall of the frame 4 is provided with a cleaning mechanism.

[0024] The cleaning mechanism includes mounting rods 9 symmetrically arranged on both sides of the inner wall of the frame 4, and the outer wall of the mounting rod 9 is provided with a cleaning sleeve 8, which can clean the outer wall of the steel pipe and keep it clean.

[0025] In the embodiment, the top of the base 1 is provided with a notch 2.

[0026] In the embodiment, the outer wall of the base 1 is provided with a handle 7 at each corner.

[0027] In the embodiment, the frame 4 is provided with mounting arms 3 on both sides, and the mounting arms 3 are rotatably connected to the outer wall of the base 1.

[0028] In this embodiment, the electric telescopic rod 6 is provided with four, every two electric telescopic rod 6 is arranged at the same end of the base 1, the outer wall of the base 1 is fixed with the second fixed lug 15, the electric telescopic rod 6 is rotatably arranged on the second fixed lug 15, the outer wall top of the frame 4 is fixed with the first fixed lug 14, the output shaft of the electric telescopic rod 6 is rotatably connected with the outer wall of the first fixed lug 14.

[0029] In this embodiment, the top of the frame 4 is provided with a transmission mechanism 10 for realizing the rotation of the mounting rod 9, the transmission mechanism 10 comprises a first synchronous wheel 11 and a second synchronous wheel 12 coaxially fixed with the mounting rod 9 respectively, the first synchronous wheel 11 and the second synchronous wheel 12 are connected through a synchronous belt 13, the top of the frame 4 is fixed with a motor bracket, a bidirectional motor 16 is fixed on the motor bracket, the output shaft of the bidirectional motor 16 is coaxially fixed with the first synchronous wheel 11, the transmission mechanism 10, the cleaning sleeve 8 and the mounting rod 9 are provided, through the work of the bidirectional motor 16, the first synchronous wheel 11 can be rotated, under the action of the synchronous belt 13, the second synchronous wheel 12 is rotated, and then the rotation of the cleaning sleeve 8 is realized, when the steel pipe moves, the outer wall of the steel pipe can be cleaned, and the cleanliness is maintained.

[0030] Working principle: through the setting of the base 1, the notch 2, the mounting arm 3, the frame 4, the rotating roller 5 and the electric telescopic rod 6, the electric telescopic rod 6 is provided with four, which is used for realizing the angle adjustment of the frame 4, the rotating roller 5 is provided with multiple and is rotatably arranged on the inner wall of the frame 4, through the above design, the steel pipe is pushed into the notch 2 on the base 1, through the work of the electric telescopic rod 6, the inclination angle of the frame 4 can be adjusted, so that the rotating roller 5 on the frame 4 can contact the outer wall of the steel pipe, the rolling rotating roller 5 can press the steel pipe and ensure the movement of the steel pipe, and can press different diameters of the steel pipe, keep the stability of the movement of the steel pipe, and prevent the situation that the steel pipe is tilted at the head and tail; the transmission mechanism 10, the cleaning sleeve 8 and the mounting rod 9 are provided, the transmission mechanism 10 comprises a bidirectional motor 16, a second synchronous wheel 12, a synchronous belt 13 and a first synchronous wheel 11, through the work of the bidirectional motor 16, the first synchronous wheel 11 can be rotated, under the action of the synchronous belt 13, the second synchronous wheel 12 is rotated, and then the rotation of the cleaning sleeve 8 is realized, when the steel pipe moves, the outer wall of the steel pipe can be cleaned, and the cleanliness is maintained.

[0031] For purposes of the description hereinafter, spatial

[0032] It is also to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0033] The preferred embodiments of the present application have been described above with the purpose of enabling not only the best modes of practicing the application known to the inventors at this time, but also of enabling others skilled in the art to utilize the application in various embodiments and with various modifications as are suited to the particular use contemplated. Therefore, the above description is intended to be illustrative, but not restrictive, of the scope of the present application. All patents and patent applications mentioned herein are incorporated by reference in their entirety.

Claims

1. A clamp for hot expansion of steel pipes with a protective structure, comprising a base (1), characterized in that, The base (1) has a frame (4) at both ends of the top. The outer wall of the base (1) is equipped with an electric telescopic rod (6) to adjust the angle of the frame (4). The inner wall of the frame (4) is equidistantly equipped with several rotating rollers (5). The inner wall of the frame (4) is equipped with a cleaning mechanism. The cleaning mechanism includes mounting rods (9) symmetrically arranged on both sides of the inner wall of the frame (4), and a cleaning sleeve (8) is fitted on the outer wall of the mounting rods (9).

2. The steel pipe thermal expansion clamp with a protective structure according to claim 1, characterized in that, The top of the base (1) is provided with a slot (2).

3. A steel pipe thermal expansion clamp with a protective structure according to claim 1, characterized in that, A handle (7) is fixed at each of the four corners of the outer wall of the base (1).

4. A steel pipe thermal expansion clamp with a protective structure according to claim 1, characterized in that, The frame (4) is fixed with mounting arms (3) on both sides, and the mounting arms (3) are rotatably connected to the outer wall of the base (1).

5. A steel pipe thermal expansion clamp with a protective structure according to claim 4, characterized in that, Four electric telescopic rods (6) are provided, and every two electric telescopic rods (6) are provided at the same end of the base (1). The outer wall of the base (1) is fixed with a second fixing ear (15). The electric telescopic rod (6) is rotatably mounted on the second fixing ear (15). The top of the outer wall of the frame (4) is fixed with a first fixing ear (14). The output shaft of the electric telescopic rod (6) is rotatably connected to the outer wall of the first fixing ear (14).

6. A steel pipe thermal expansion clamp with a protective structure according to claim 1, characterized in that, The top of the frame (4) is equipped with a transmission mechanism (10) for rotating the mounting rod (9). The transmission mechanism (10) includes a first synchronous pulley (11) and a second synchronous pulley (12) that are coaxially fixed with the mounting rod (9). The first synchronous pulley (11) and the second synchronous pulley (12) are connected by a synchronous belt (13). The top of the frame (4) is fixed with a motor frame, and a bidirectional motor (16) is fixed on the motor frame. The output shaft of the bidirectional motor (16) is coaxially fixed with the first synchronous pulley (11).