Steel pipe stretching device

Abstract

The utility model discloses a steel pipe stretching device, which relates to the field of steel pipe processing and comprises a stretching table, a stretching component arranged at the top of the stretching table, two arc-shaped supporting seats connected to the top of the stretching table, a rotating seat arranged at the tops of the two arc-shaped supporting seats, and an outer gear connected to the outer side of the rotating seat. The top of the stretching table is connected with a motor, the output end of the motor is connected with a driving gear, the driving gear is meshed with the outer gear, and a plurality of steel pipe insertion openings are formed in the surface of the rotating base. The motor is used for driving the driving gear to rotate, the driving gear drives the outer gear to rotate, the outer gear drives the rotating seat to rotate, the rotating seat drives a plurality of steel pipes to rotate, the stretched steel pipes are rotated down from the top, the next steel pipe is rotated to the top, and then the steel pipes can be continuously stretched. And the steel pipe can be continuously stretched, so that the stretching efficiency of the steel pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel pipe processing, in particular to a steel pipe stretching device. BACKGROUND

[0002] Steel pipe refers to the steel material with hollow section, and the length is much larger than the diameter or the circumference. According to the section shape, it is divided into round, square, rectangular and special-shaped steel pipes. According to the material, it is divided into carbon structural steel pipe, low alloy structural steel pipe, alloy steel pipe and composite steel pipe. According to the use, it is divided into conveying pipe, engineering structure, hot work equipment, petroleum and chemical industry, machinery manufacturing, geological drilling, high pressure equipment and so on. According to the production process, it is divided into seamless steel pipe and welded steel pipe.

[0003] At present, when the steel pipe is stretched, the steel pipe to be stretched needs to be installed first, and then stretched, and after stretching, the last stretched steel pipe needs to be taken out and replaced with the steel pipe to be stretched, which is inconvenient and affects the stretching efficiency of the steel pipe.

[0004] Therefore, it is necessary to provide a steel pipe stretching device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a steel pipe stretching device to solve the problems in the background art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a steel pipe stretching device, which comprises a stretching table, a stretching assembly is arranged on the top of the stretching table, two arc-shaped support seats are connected to the top of the stretching table, a rotating seat is arranged on the top of the two arc-shaped support seats, an external gear is connected to the outer side of the rotating seat, a motor is connected to the top of the stretching table, a driving gear is connected to the output end of the motor, the driving gear is engaged with the external gear, a plurality of steel pipe insertion ports are arranged on the surface of the rotating seat, sleeve pipes corresponding to the steel pipe insertion ports are arranged on the left and right sides of the rotating seat, two first springs are connected to the side wall of the sleeve pipe, the other end of the first spring is connected to the side wall of the rotating seat, and a locking assembly is arranged in the sleeve pipe.

[0007] Preferably, a limiting rod is arranged in the first spring, one end of the limiting rod is connected to the side wall of the rotating seat, and a limiting hole corresponding to the limiting rod is arranged on the side wall of the sleeve pipe.

[0008] Preferably, the stretching assembly comprises an L-shaped support connected with the top of the stretching table, a hydraulic cylinder connected with the bottom of the L-shaped support, a pushing plate connected with the bottom of the hydraulic cylinder, a fixed block connected with the bottom of the pushing plate, a pushing rod connected with the left and right sides of the fixed block, an extrusion block connected with the other end of the pushing rod, a blocking block corresponding to the extrusion block connected with the outside of the sleeve, and a second spring connected with the left and right sides of the fixed block and the side wall of the pushing rod.

[0009] Preferably, the outer side of the rotating seat is provided with two limiting rings, and the top of the arc-shaped supporting seat is provided with limiting grooves corresponding to the limiting rings.

[0010] Preferably, the locking assembly comprises a bolt, a threaded hole corresponding to the bolt is formed in the side wall of the sleeve, one end of the bolt is connected with an arc-shaped pressing plate through a bearing, the top of the arc-shaped pressing plate is connected with a guide rod, and a guide hole corresponding to the guide rod is formed in the side wall of the sleeve.

[0011] The technical effects and advantages of the present application are as follows:

[0012] By using the motor to drive the driving gear to rotate, the driving gear drives the outer gear to rotate, the outer gear drives the rotating seat to rotate, the rotating seat drives the plurality of steel pipes to rotate, the stretched steel pipes are turned down from the top, and the next steel pipe is turned to the top, so that the steel pipe stretching can be continuously carried out, thereby improving the steel pipe stretching efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 It is a side view schematic diagram of the rotating seat of the present application;

[0015] Figure 3 It is a schematic diagram of the overall structure of the present application Figure 1 ;

[0016] Figure 4 It is a schematic diagram of the overall structure of the present application Figure 1 ;

[0017] Figure 5 It is a schematic diagram of the overall structure of the present application Figure 2 ;

[0018] In the figure: 1, stretching platform; 2, stretching assembly; 21, L-shaped support; 22, hydraulic cylinder; 23, push plate; 24, fixed block; 25, push rod; 26, extrusion block; 27, blocking block; 28, second spring; 3, arc-shaped support seat; 4, rotating seat; 5, external gear; 6, motor; 7, drive gear; 8, sleeve; 9, locking assembly; 91, bolt; 92, arc-shaped compression plate; 93, guide rod; 10, first spring; 11, limiting rod; 12, limiting ring. DETAILED DESCRIPTION

[0019] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The utility model provides a kind of steel pipe stretching device as shown in Figures 1-5 The utility model provides a kind of steel pipe stretching device as shown in The utility model discloses a kind of steel pipe stretching device, including stretching platform 1, the top of stretching platform 1 is provided with stretching assembly 2, the top of stretching platform 1 is connected with two arc-shaped support seats 3, the top of two arc-shaped support seats 3 is commonly provided with rotating seat 4, the outside of rotating seat 4 is connected with external gear 5, the top of stretching platform 1 is connected with motor 6, motor 6 uses step motor, step motor has self-locking function, the output end of motor 6 is connected with drive gear 7, drive gear 7 is engaged with external gear 5, the surface of rotating seat 4 is provided with multiple steel pipe insertion ports, the left and right sides of rotating seat 4 are provided with sleeve 8 corresponding with steel pipe insertion port, the side wall of sleeve 8 is connected with two first springs 10, the other end of first spring 10 is connected with the side wall of rotating seat 4, by inserting multiple steel pipes into multiple sleeve 8 and cylinder insertion port respectively, after the steel pipe on top is stretched, by using motor 6 to drive drive gear 7 to rotate, drive gear 7 drives external gear 5 to rotate, external gear 5 drives rotating seat 4 to rotate, rotating seat 4 drives multiple steel pipes to rotate, after the steel pipe of stretching is rotated from top, and next steel pipe is rotated to top, can continue to carry out steel pipe stretching, so, can continuously stretch steel pipe, to improve the stretching efficiency of steel pipe, sleeve 8 is provided with locking assembly 9.

[0021] The utility model discloses a kind of steel pipe stretching device, including stretching platform 1, the top of stretching platform 1 is provided with stretching assembly 2, the top of stretching platform 1 is connected with two arc-shaped support seats 3, the top of two arc-shaped support seats 3 is commonly provided with rotating seat 4, the outside of rotating seat 4 is connected with external gear 5, the top of stretching platform 1 is connected with motor 6, motor 6 uses step motor, step motor has self-locking function, the output end of motor 6 is connected with drive gear 7, drive gear 7 is engaged with external gear 5, the surface of rotating seat 4 is provided with multiple steel pipe insertion ports, the left and right sides of rotating seat 4 are provided with sleeve 8 corresponding with steel pipe insertion port, the side wall of sleeve 8 is connected with two first springs 10, the other end of first spring 10 is connected with the side wall of rotating seat 4, by inserting multiple steel pipes into multiple sleeve 8 and cylinder insertion port respectively, after the steel pipe on top is stretched, by using motor 6 to drive drive gear 7 to rotate, drive gear 7 drives external gear 5 to rotate, external gear 5 drives rotating seat 4 to rotate, rotating seat 4 drives multiple steel pipes to rotate, after the steel pipe of stretching is rotated from top, and next steel pipe is rotated to top, can continue to carry out steel pipe stretching, so, can continuously stretch steel pipe, to improve the stretching efficiency of steel pipe, sleeve 8 is provided with locking assembly 9.

[0022] The stretching assembly 2 comprises an L-shaped support 21 connected with the top of the stretching table 1, a hydraulic cylinder 22 connected with the bottom of the L-shaped support 21, a pushing plate 23 connected with the bottom of the hydraulic cylinder 22, a fixed block 24 connected with the bottom of the pushing plate 23, a pushing rod 25 connected with the left and right sides of the fixed block 24, and an extruding block 26 connected with the other end of the pushing rod 25, a blocking block 27 corresponding to the extruding block 26 is connected with the outer side of the sleeve 8, a second spring 28 is connected with the left and right sides of the fixed block 24, and the other end of the second spring 28 is connected with the side wall of the pushing rod 25, the hydraulic cylinder 22 is used to push the pushing plate 23, the pushing plate 23 pushes the fixed block 24, the fixed block 24 pulls the pushing rod 25 and the extruding block 26 to move downwards, when the extruding block 26 contacts with the sleeve 8 on the top, the pushing rod 25 rotates and horizontally extrudes the blocking block 27, the blocking block 27 pulls the sleeve 8, and the sleeve 8 pulls the clamped steel pipe, so that the steel pipe is stretched.

[0023] The outer side of the rotating seat 4 is provided with two limiting rings 12, the top of the arc-shaped supporting seat 3 is provided with limiting grooves corresponding to the limiting rings 12, so that the rotating seat 4 can be conveniently limited.

[0024] The locking assembly 9 comprises a bolt 91, a threaded hole corresponding to the bolt 91 is formed in the side wall of the sleeve 8, one end of the bolt 91 is connected with an arc-shaped pressing plate 92 through a bearing, the top of the arc-shaped pressing plate 92 is connected with a guide rod 93, a guide hole corresponding to the guide rod 93 is formed in the side wall of the sleeve 8, the bolt 91 is rotated in the threaded hole by rotating the bolt 91, the arc-shaped pressing plate 92 limited by the guide rod 93 is pushed to move when the bolt 91 rotates, and the steel pipe is clamped by the two arc-shaped pressing plates 92.

[0025] The working principle of the utility model is as follows:

[0026] The multiple steel pipes are respectively inserted into the multiple sleeves 8 and the cylinder insertion openings, the bolt 91 is rotated in the threaded hole by rotating the bolt 91, the arc-shaped pressing plate 92 limited by the guide rod 93 is pushed to move when the bolt 91 rotates, the steel pipe is clamped by the two arc-shaped pressing plates 92, the hydraulic cylinder 22 is used to push the pushing plate 23, the pushing plate 23 pushes the fixed block 24, the fixed block 24 pulls the pushing rod 25 and the extruding block 26 to move downwards, when the extruding block 26 contacts with the sleeve 8 on the top, the pushing rod 25 rotates and horizontally extrudes the blocking block 27, the blocking block 27 pulls the sleeve 8, and the sleeve 8 pulls the clamped steel pipe, so that the steel pipe is stretched, after the steel pipe on the top is stretched, the driving gear 7 is rotated by using the motor 6, the outer gear 5 is rotated by the driving gear 7, the rotating seat 4 is rotated by the outer gear 5, the multiple steel pipes are rotated by the rotating seat 4, the stretched steel pipe is turned down from the top, and the next steel pipe is rotated to the top, so that the steel pipe stretching can be continuously carried out.

[0027] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A steel pipe drawing apparatus comprising a drawing stand, characterized by: The top of the stretching table is provided with a stretching assembly, the top of the stretching table is connected with two arc-shaped support seats, the top of the two arc-shaped support seats is commonly provided with a rotating seat, the outer side of the rotating seat is connected with an external gear, the top of the stretching table is connected with a motor, the output end of the motor is connected with a driving gear, the driving gear is engaged with the external gear, the surface of the rotating seat is provided with a plurality of steel pipe insertion ports, the left and right sides of the rotating seat are both provided with a sleeve corresponding to the steel pipe insertion port, the side wall of the sleeve is connected with two first springs, the other end of the first spring is connected with the side wall of the rotating seat, and the sleeve is provided with a locking assembly.

2. A pipe drawing apparatus as claimed in claim 1, wherein: The first spring is provided with a limiting rod, one end of the limiting rod is connected with the side wall of the rotating seat, and the side wall of the sleeve is provided with a limiting hole corresponding to the limiting rod.

3. A pipe drawing apparatus as claimed in claim 1, wherein: The stretching assembly comprises an L-shaped support connected with the top of the stretching table, a hydraulic cylinder connected with the bottom of the L-shaped support, a pushing plate connected with the bottom of the hydraulic cylinder, a fixed block connected with the bottom of the pushing plate, a pushing rod connected with the left and right sides of the fixed block, an extrusion block connected with the other end of the pushing rod, a blocking block corresponding to the extrusion block connected with the outer side of the sleeve, a second spring connected with the left and right sides of the fixed block, and the other end of the second spring is connected with the side wall of the pushing rod.

4. A pipe drawing apparatus as claimed in claim 1, wherein: The outer side of the rotating seat is provided with two limiting rings, and the top of the arc-shaped support seat is provided with a limiting groove corresponding to the limiting ring.

5. A pipe drawing apparatus as claimed in claim 1, wherein: The locking assembly comprises a bolt, the side wall of the sleeve is provided with a threaded hole corresponding to the bolt, one end of the bolt is connected with an arc-shaped pressing plate through a bearing, the top of the arc-shaped pressing plate is connected with a guide rod, and the side wall of the sleeve is provided with a guide hole corresponding to the guide rod.

Images