Flattening test device for straight seam steel pipe

Abstract

The utility model belongs to the field of flattening tests, and particularly relates to a flattening test device for a straight seam steel pipe, which comprises a bottom plate, a support is fixedly connected to the upper end of the bottom plate, a feeding port penetrating through the support is arranged in the support, a supporting plate is fixedly connected to the upper end of the support, and a supporting plate is fixedly connected to the upper end of the supporting plate. A motor is fixedly installed in the middle of the upper end of the supporting plate, a rotating shaft of the motor penetrates through the supporting plate and is rotationally connected with the supporting plate, and a connecting sleeve is slidably connected to the outer side of the lower end of the rotating shaft of the motor. The motor drives the gear ring to rotate and is matched with the gear, so that the two bidirectional screw rods rotate and the supporting plate does threaded motion, the supporting plate moves more stably, the two clamping plates move to flatten a steel pipe, the steel pipe is stressed more uniformly, and the situation that the device is damaged due to unstable movement of the clamping plates is avoided; and the position of the steel pipe can be adjusted to perform flattening test on different positions of the steel pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flattening test, concretely to a flattening test device of straight seam steel pipe. BACKGROUND

[0002] The utility model discloses a steel pipe flattening testing machine, including hydraulic press body, the lower extreme fixed connection of hydraulic press body telescopic hydraulic cylinder has the pressure head, the workbench surface of hydraulic press body is fixedly connected with the backing plate below the pressure head, the both sides of backing plate are fixedly connected with the stop device that sets up in parallel in the workbench surface of hydraulic press body. The steel pipe flattening testing machine, through setting the stop device and the reserved hole on the hydraulic press body, the location of steel pipe flattening is convenient, regardless of the difference of steel pipe diameter, the center positioning is accurate, prevents the eccentricity of hydraulic press body pressure, prolongs the service life of flattening testing machine.

[0003] But the device can only carry out flattening detection to the end of steel pipe when using, and the detection range is limited. UTILITY MODEL CONTENTS

[0004] The utility model discloses a flattening test device of straight seam steel pipe, solves the problem that the device can only carry out flattening detection to the end of steel pipe when using, and the detection range is limited.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a flattening test device of straight seam steel pipe, including the bottom plate, the upper end fixed connection of bottom plate has the support, the inside of support is set up and passes through the feed port of support, the upper end fixed connection of support has the support plate, the upper end fixed connection of support plate has the backing plate, the upper end middle part fixed mounting of backing plate has the motor, the pivot of motor penetrates backing plate and is connected with the rotation of backing plate, the lower end outside rotation of motor pivot is connected with the connecting sleeve of sliding, be provided with extrusion mechanism on the support.

[0006] Preferably, the inside of the connecting sleeve is connected with a limiting pin through a thread, and the limiting pin and the pivot of the motor are connected through a thread. By setting the limiting pin, the connecting sleeve and the pivot of the motor are connected.

[0007] Preferably, the extrusion mechanism comprises two bidirectional screws with opposite screw directions, the bidirectional screws and the support are connected through bearings, the upper ends of the bidirectional screws are fixedly connected with gears, the inside of the support is slidably connected with clamping plates, the clamping plates and the bidirectional screws are movably connected, the outer sides of the bidirectional screws are threadedly connected with supporting plates, the side, close to the clamping plates, of the supporting plates is fixedly connected with pressure monitors, and the pressure monitors and the clamping plates are fixedly connected. The rotation of the gear ring driven by the motor and the gear cooperation make the two bidirectional screws rotate and the supporting plate make screw movement, so that the movement of the supporting plate is more stable, the movement of the two clamping plates flattens the steel pipe for testing, the force on the steel pipe is more uniform, and the device is prevented from being damaged due to unstable movement of the clamping plates.

[0008] Preferably, the lower end of the connecting sleeve is fixedly connected with a gear ring, and the gear ring is engaged with the gear. The gear ring is arranged to drive the gear to rotate.

[0009] Preferably, the surface of the clamping plate is fixedly connected with guide blocks, and the guide blocks are slidably connected with the support. The guide blocks are arranged to guide the movement of the clamping plate.

[0010] Preferably, the outer side of the bidirectional screw is provided with a spring, and the end of the spring is fixedly connected with the clamping plate. The spring is arranged to reset the clamping plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a motor drives gear ring rotation and gear cooperation, makes two bidirectional screws rotate and the supporting plate make screw movement, and then makes the movement of the supporting plate more stable, makes two clamping plates move and flattens the steel pipe for testing, makes the force on the steel pipe more uniform, avoids the device from being damaged due to unstable movement of the clamping plates, and can adjust the position of the steel pipe and carries out flattening test to different positions of the steel pipe. ACCURATE DRAWING

[0013] Figure 1 It is the overall structure perspective drawing of the utility model;

[0014] Figure 2 It is the pressure mechanism perspective drawing of the utility model Figure 1 ;

[0015] Figure 3 It is the A place enlarged view of the utility model Figure 2 ;

[0016] Figure 4 It is the clamping plate perspective drawing of the utility model Figure 3 ;

[0017] In the figure: 1, the base plate; 2, support; 3, feed inlet; 4, support plate; 5, the backing plate; 6, motor; 7, connecting sleeve; 8, limit pin; 9, extrusion mechanism; 91, bidirectional screw; 92, gear; 93, gear ring; 94, clamping plate; 95, guide block; 96, support plate; 97, pressure monitor; 98, spring. DETAILED DESCRIPTION

[0018] 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.

[0019] Please refer to Figures 1-2 A kind of flattening test device of straight seam steel pipe, including base plate 1, the upper end of base plate 1 is fixedly connected with support 2, the inside of support 2 is provided with feed inlet 3 penetrating support 2, the upper end of support 2 is fixedly connected with support plate 4, the upper end of support plate 4 is fixedly connected with backing plate 5, the upper end middle part of backing plate 5 is fixedly installed with motor 6, the rotating shaft of motor 6 penetrates backing plate 5 and is rotatably connected with backing plate 5, the lower end outer side of rotating shaft of motor 6 is slidably connected with connecting sleeve 7, limit pin 8 is connected in the inside of connecting sleeve 7 by screwing, limit pin 8 and the rotating shaft of motor 6 are connected by screwing, by being provided with limit pin 8, connecting sleeve 7 and the rotating shaft of motor 6 are connected, support 2 is provided with extrusion mechanism 9.

[0020] Please refer to Figure 1 、 Figure 3 、 Figure 4, the extrusion mechanism 9 includes two bidirectional screws 91 with opposite screw directions, the bidirectional screws 91 and the support 2 are connected through bearings, the upper end of the bidirectional screws 91 is fixedly connected with a gear 92, the lower end of the connecting sleeve 7 is fixedly connected with a tooth ring 93, the tooth ring 93 and the gear 92 are engaged, by arranging the tooth ring 93, the driving gear 92 is driven to rotate, the inside of the support 2 is slidably connected with a clamping plate 94, the clamping plate 94 and the bidirectional screws 91 are movably connected, the surface of the clamping plate 94 is fixedly connected with a guide block 95, the guide block 95 and the support 2 are slidably connected, by arranging the guide block 95, the movement of the clamping plate 94 is guided, the outer side of the bidirectional screws 91 is threadedly connected with a supporting plate 96, the side, close to the clamping plate 94, of the supporting plate 96 is fixedly connected with a pressure monitor 97, the pressure monitor 97 and the clamping plate 94 are fixedly connected, the outer side of the bidirectional screws 91 is provided with a spring 98, the end of the spring 98 and the clamping plate 94 are fixedly connected, by arranging the spring 98, the clamping plate 94 is reset, by driving the tooth ring 93 to rotate through the motor 6 and cooperating with the gear 92, the two bidirectional screws 91 are driven to rotate and the supporting plate 96 is driven to perform threaded movement, thereby making the movement of the supporting plate 96 more stable, the two clamping plates 94 are driven to move to press the steel pipe, the force applied to the steel pipe is more uniform, and damage of the device caused by unstable movement of the clamping plate 94 is avoided.

[0021] The specific implementation process of the utility model is as follows: in use, the steel pipe is threaded through the feeding port 3 and then penetrates through the support 2 and is located between the two clamping plates 94, the motor 6 is started, the motor 6 drives the tooth ring 93 to rotate, the tooth ring 93 drives the gear 92 to rotate, the gear 92 drives the bidirectional screws 91 to rotate, the bidirectional screws 91 are driven to perform threaded movement with the supporting plate 96, thereby making the supporting plate 96 move, the supporting plate 96 drives the pressure monitor 97 to move, the pressure monitor 97 drives the clamping plate 94 to move, the clamping plate 94 moves to clamp and press the steel pipe, by driving the tooth ring 93 to rotate through the motor 6 and cooperating with the gear 92, the two bidirectional screws 91 are driven to rotate and the supporting plate 96 is driven to perform threaded movement, thereby making the movement of the supporting plate 96 more stable, the two clamping plates 94 are driven to move to press the steel pipe, the force applied to the steel pipe is more uniform, and damage of the device caused by unstable movement of the clamping plate 94 is avoided.

[0022] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for flattening test of straight-seam steel pipes, comprising a base plate (1), characterized in that: The upper end of the bottom plate (1) is fixedly connected with a support (2), the inside of the support (2) is provided with a feed inlet (3) penetrating through the support (2), the upper end of the support (2) is fixedly connected with a support plate (4), the upper end of the support plate (4) is fixedly connected with a supporting plate (5), the upper end of the supporting plate (5) is fixedly installed with a motor (6), the rotating shaft of the motor (6) penetrates through the supporting plate (5) and is rotationally connected with the supporting plate (5), the lower end of the rotating shaft of the motor (6) is slidably connected with a connecting sleeve (7), and the support (2) is provided with an extrusion mechanism (9).

2. A flattening test apparatus for straight-seam steel pipes according to claim 1, characterized in that: The inside of the connecting sleeve (7) is threadedly connected with a limiting pin (8), and the limiting pin (8) and the rotating shaft of the motor (6) are threadedly connected.

3. A flattening test apparatus for straight-seam steel pipes according to claim 1, characterized in that: The extrusion mechanism (9) comprises two bidirectional screw rods (91) with opposite screw directions, the bidirectional screw rods (91) and the support (2) are connected through bearings, the upper ends of the bidirectional screw rods (91) are fixedly connected with gears (92), the inside of the support (2) is slidably connected with a clamping plate (94), the clamping plate (94) and the bidirectional screw rods (91) are movably connected, the outer sides of the bidirectional screw rods (91) are threadedly connected with support plates (96), the side, close to the clamping plate (94), of the support plate (96) is fixedly connected with a pressure monitor (97), and the pressure monitor (97) and the clamping plate (94) are fixedly connected.

4. A flattening test apparatus for straight-seam steel pipes according to claim 3, characterized in that: The lower end of the connecting sleeve (7) is fixedly connected with a tooth ring (93), and the tooth ring (93) is engaged with the gear (92).

5. A flattening test apparatus for straight-seam steel pipes according to claim 3, characterized in that: The surface of the clamping plate (94) is fixedly connected with a guide block (95), and the guide block (95) and the support (2) are slidably connected.

6. A flattening test apparatus for straight-seam steel pipes according to claim 3, characterized in that: The outer side of the bidirectional screw rod (91) is provided with a spring (98), and the end of the spring (98) is fixedly connected with the clamping plate (94).

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