Longitudinal welded pipe quality detection equipment

Abstract

The utility model discloses longitudinal welded pipe quality detection equipment, which comprises a frame body and a longitudinal welded pipe, the upper surface of the frame body is provided with a first chute, a sliding block is connected in the first chute in a sliding manner, the top of the sliding block is fixedly connected with an L-shaped plate, the first chute is internally provided with a driving assembly for driving the sliding block to move and fixing the sliding block, and the L-shaped plate is fixedly connected with the top of the sliding block. A clamping assembly for fixing the longitudinal welded pipe is arranged on one side of the L-shaped plate, a circular supporting frame is fixedly connected to the position, located at one end of the longitudinal welded pipe, of the upper surface of the frame body, and guide rods are fixedly connected to the positions, located at the semicircular tangent points, of the circumferential inner wall of the circular supporting frame. According to the utility model, the opening part of the longitudinal welded pipe can be uniformly stressed, the ellipse phenomenon of the opening part of the longitudinal welded pipe is avoided, the quality of a welding seam is really checked, the detection effect of the detection equipment is improved, the longitudinal welded pipes with different diameters can be conveniently checked, and the use effect of the detection equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to straight seam welded pipe quality detection technical field especially relates to a straight seam welded pipe quality detection equipment. BACKGROUND

[0002] In straight seam welded pipe quality detection, the flaring experiment is one of the important means to detect the quality of straight seam welded pipe. Through the flaring experiment, the plastic deformation capacity and the pressure bearing capacity of the welded pipe can be evaluated, so as to judge whether the quality of the welded pipe meets the standard.

[0003] Most of the methods are to press the top core with a certain taper into one end of the welded pipe sample, so that it is expanded to the specified outer diameter, and then the cracks and other defects at the flared part are checked. This method is affected by the notch burr and notch plane parallelism of the steel pipe, and the flared part often appears oval phenomenon, which leads to the fact that the weld quality is not truly checked, resulting in misjudgment. Therefore, it is necessary to improve the prior art to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a straight seam welded pipe quality detection equipment.

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

[0006] A straight seam welded pipe quality detection equipment, including frame body and straight seam welded pipe, the upper surface of frame body is equipped with first sliding slot, the first sliding slot is slidably connected with sliding block, the top of sliding block is fixedly connected with L type board, the first sliding slot is equipped with drive assembly that drives sliding block to move and fixes sliding block, the side of L type board is equipped with clamping assembly that fixes straight seam welded pipe, the upper surface of frame body is fixedly connected with circular support frame at the position of one end of straight seam welded pipe, the circumferential inner wall of circular support frame is fixedly connected with guide rod at the position of semicircle tangent point, the outer side of guide rod is slidably connected with arc plate that extends into straight seam welded pipe, the top of frame body is equipped with push assembly that expands arc plate.

[0007] As a further scheme of the utility model, the push assembly includes a support rod, the support rod is fixedly connected to the top of the frame body, a threaded hole is formed in one side of the support rod, a first screw rod is threadedly connected in the threaded hole, one end of the first screw rod is rotatably connected with a taper block, a plurality of symmetrically distributed square rods are fixedly connected to the outer side of the taper block, a third sliding slot is formed in one side of the square rod, a second sliding block is slidably connected in the third sliding slot, and the plurality of second sliding blocks are fixedly connected with the plurality of arc plates respectively.

[0008] As a further scheme of the utility model, the driving assembly comprises a second screw rod, the second screw rod is rotationally connected in the first sliding groove, the second screw rod passes through the sliding block and is threadedly connected with the sliding block, one end of the second screw rod is fixedly connected with a knob.

[0009] As a further scheme of the utility model, the clamping assembly comprises a second sliding groove, the second sliding groove is formed on one side of the L-shaped plate, the second sliding groove penetrates the L-shaped plate, two first sliding blocks are slidably connected in the second sliding groove, one end of each of the two first sliding blocks is fixedly connected with an arc-shaped clamping plate.

[0010] As a further scheme of the utility model, the upper surface of the L-shaped plate is rotationally connected with a bidirectional screw rod, and the bidirectional screw rod passes through the two first sliding blocks and is threadedly connected with the two first sliding blocks.

[0011] As a further scheme of the utility model, the top end of the bidirectional screw rod is fixedly connected with a rotating handle of the rotating rod bidirectional screw rod.

[0012] As a further scheme of the utility model, one end of the guide rod is fixedly connected with a stopper for resisting the arc-shaped plate.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. through the cooperation of multiple arc-shaped plates that are uniformly distributed, the pushing assembly makes multiple arc-shaped plates move synchronously, multiple arc-shaped plates expand the straight seam welded pipe, so that the mouth of the straight seam welded pipe is evenly stressed, the oval phenomenon of the mouth of the straight seam welded pipe is avoided, the quality of the weld is truly checked, and the detection effect of the detection equipment is improved.

[0015] 2. through the cooperation of the pushing assembly and the clamping assembly, the clamping assembly can clamp and fix straight seam welded pipes of different diameters, and the pushing assembly can push the arc-shaped clamping plate to move by different distances, so that the straight seam welded pipes of different diameters are conveniently checked, and the use effect of the detection equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a facade structure schematic view of a straight seam welded pipe quality detection equipment provided by the utility model;

[0017] Figure 2 It is a back structure schematic view of a straight seam welded pipe quality detection equipment provided by the utility model;

[0018] Figure 3 It is a side structure schematic view of a straight seam welded pipe quality detection equipment provided by the utility model.

[0019] Figure 4The utility model provides a kind of straight seam welded pipe quality detection equipment's A part amplification structure schematic view.

[0020] In the drawing: 1, frame body; 2, first screw rod; 3, support rod; 4, taper block; 5, square bar; 6, round support frame; 7, straight seam welded pipe; 8, arc clamping plate; 9, two-way threaded rod; 10, L-shaped plate; 11, first sliding groove; 12, first sliding block; 13, second sliding groove; 14, second screw rod; 15, third sliding groove; 16, arc plate; 17, guide rod; 18, second sliding block. 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. The described embodiments are only part of the embodiments of the utility model, not 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 scope of protection of the utility model.

[0022] Reference Figures 1-4 A kind of straight seam welded pipe quality detection equipment, including frame body 1 and straight seam welded pipe 7, the upper surface of frame body 1 is set with first sliding groove 11, slidingly connected with sliding block in first sliding groove 11, the top of sliding block is welded with L-shaped plate 10, first sliding groove 11 is equipped with drive assembly for driving sliding block to move and fixed to sliding block, one side of L-shaped plate 10 is equipped with clamping assembly for fixing straight seam welded pipe 7, the upper surface of frame body 1 is fixed with round support frame 6 by bolt at the position of one end of straight seam welded pipe 7, the circumferential inner wall of round support frame 6 is welded with guide rod 17 at the position of semicircle tangent point, arc plate 16 extending into straight seam welded pipe 7 is slidably connected to the outside of guide rod 17, the top of frame body 1 is equipped with pushing assembly for expanding arc plate 16, make multiple arc plate 16 move synchronously along guide rod 17 by pushing assembly, so that arc plate 16 expands the mouth of straight seam welded pipe 7, the mouth of straight seam welded pipe 7 is evenly stressed, avoid the mouth of straight seam welded pipe 7 to appear oval phenomenon, so that the quality of weld is truly checked, improve the detection effect of detection equipment.

[0023] The utility model discloses, push assembly includes support rod 3, and support rod 3 is welded in the top of frame body 1, and the side of support rod 3 is provided with threaded hole, and first screw rod 2 is connected with screw thread in threaded hole, and one end of first screw rod 2 is rotatably connected with taper block 4, and the outside of taper block 4 is fixed with multiple symmetrical distribution square bars 5 through bolt, and one side of square bar 5 is provided with third sliding slot 15, and second sliding block 18 is slidably connected in third sliding slot 15, and multiple second sliding blocks 18 are fixed with multiple arc plates 16 respectively, when needing to detect, rotate first screw rod 2, and first screw rod 2 will move through the thread engagement between threaded hole, and first screw rod 2 will drive taper block 4 to move simultaneously, and taper block 4 will make second sliding block 18 move in third sliding slot 15 on square bar 5 in the process of moving, and because the diameter of taper block 4 is bigger and bigger in the process of moving, so multiple arc plates 16 are pushed along guide rod 17 and move synchronously through second sliding block 18, thereby making multiple arc plates 16 move uniformly and synchronously, and taper block 4 will make multiple arc plates 16 move at different distances, thereby can detect straight seam welded pipe 7 of different diameters;

[0024] Especially, the driving assembly includes a second screw rod 14, the second screw rod 14 is rotatably connected in the first sliding slot 11, the second screw rod 14 passes through the sliding block and is screw-connected with the sliding block, one end of the second screw rod 14 passes through the frame body 1 and is fixed with a knob through bolts, the clamping assembly includes a second sliding slot 13, the second sliding slot 13 is arranged on one side of the L-shaped plate 10, the second sliding slot 13 penetrates through the L-shaped plate 10, two first sliding blocks 12 are slidably connected in the second sliding slot 13, the arc-shaped clamping plates 8 are welded on one end of the two first sliding blocks 12, the upper surface of the L-shaped plate 10 is rotatably connected with a bidirectional screw rod 9, the bidirectional screw rod 9 penetrates through the two first sliding blocks 12 and is screw-connected with the two first sliding blocks 12, and a rotating rod handle is fixed on the top end of the bidirectional screw rod 9 through bolts, when the straight seam welded pipe 7 is installed, the first screw rod 2 is rotated, the first screw rod 2 moves through the thread engagement between the threaded hole, and the first screw rod 2 drives the taper block 4 to move simultaneously, the taper block 4 moves in the third sliding slot 15 on the square bar 5 in the process of moving, and because the diameter of the taper block 4 is bigger and bigger in the process of moving, so the multiple arc plates 16 are pushed along the guide rod 17 and move synchronously through the second sliding block 18, and one end of the guide rod 17 is welded with a stop block for resisting the arc plates 16.

[0025] Working principle: when need to use, make arc plate 16 insert into straight seam welded pipe 7, make guide rod 17 resist straight seam welded pipe 7, then rotate second screw rod 14, second screw rod 14 will make slider move along first sliding groove 11 through the thread engagement between, slider will drive L-shaped plate 10 to move, make L-shaped plate 10 contact with straight seam welded pipe 7, so that the cooperation of L-shaped plate 10 and guide rod 17 assists the clamping of straight seam welded pipe 7, at the same time, through the thread engagement between second screw rod 14 and slider, when second screw rod 14 does not rotate, slider is fixed, so as to fix the position of L-shaped plate 10, then rotate bidirectional screw rod 9, bidirectional screw rod 9 will drive two first sliders 12 to move towards each other in second sliding groove 13 through the thread engagement between, two first sliders 12 will drive arc-shaped clamping plate 8 to move towards each other synchronously, so that arc-shaped clamping plate 8 clamps and positions straight seam welded pipe 7, after clamping, rotate first screw rod 2, first screw rod 2 will move through the thread engagement between, at the same time, first screw rod 2 will drive taper block 4 to move, taper block 4 will make second slider 18 move in third sliding groove 15 on square rod 5 in the process of moving, and because the diameter of taper block 4 becomes larger and larger in the process of moving, so a plurality of arc plates 16 are pushed along guide rod 17 through second slider 18 to move synchronously, so that arc plate 16 flares the mouth of straight seam welded pipe 7, so that the mouth of straight seam welded pipe 7 is uniformly stressed, the oval phenomenon of the mouth of straight seam welded pipe 7 is avoided, the quality of weld is truly checked, and the detection effect of the detection equipment is improved.

[0026] In addition, 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 variations 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 straight seam welded pipe quality inspection apparatus comprising a rack body (1) and a straight seam welded pipe (7), characterized in that, The upper surface of the frame body (1) is provided with a first sliding groove (11), a sliding block is connected in the first sliding groove (11), the top of the sliding block is fixedly connected with an L-shaped plate (10), a driving assembly for driving the sliding block to move and fixing the sliding block is arranged in the first sliding groove (11), one side of the L-shaped plate (10) is provided with a clamping assembly for fixing the straight seam welded pipe (7), a circular support frame (6) is fixedly connected to the upper surface of the frame body (1) at the position of one end of the straight seam welded pipe (7), guide rods (17) are fixedly connected to the circumferential inner wall of the circular support frame (6) at the positions of semicircle tangent points, arc-shaped plates (16) extending into the straight seam welded pipe (7) are slidably connected to the outer sides of the guide rods (17), and a pushing assembly for expanding the arc-shaped plates (16) is arranged on the top of the frame body (1).

2. A straight seam welded pipe quality inspection apparatus according to claim 1, characterized by The pushing assembly comprises a supporting rod (3) fixedly connected to the top of the frame body (1), a threaded hole is formed in one side of the supporting rod (3), a first lead screw (2) is threadedly connected in the threaded hole, a taper block (4) is rotatably connected to one end of the first lead screw (2), a plurality of symmetrical square rods (5) are fixedly connected to the outer side of the taper block (4), a third sliding groove (15) is formed in one side of the square rod (5), and a second sliding block (18) is slidably connected in the third sliding groove (15). A plurality of second sliding blocks (18) are fixedly connected with a plurality of arc-shaped plates (16) respectively.

3. A straight seam welded pipe quality inspection apparatus according to claim 1, characterized by The driving assembly comprises a second lead screw (14) rotatably connected in the first sliding groove (11), the second lead screw (14) passes through and is threadedly connected with the sliding block, and a knob is fixedly connected to one end of the second lead screw (14) and passes through the frame body (1).

4. A straight seam welded pipe quality inspection apparatus according to claim 1, characterized by The clamping assembly comprises a second sliding groove (13) formed in one side of the L-shaped plate (10), the second sliding groove (13) penetrates the L-shaped plate (10), and two first sliding blocks (12) are slidably connected in the second sliding groove (13). One end of each of the two first sliding blocks (12) is fixedly connected with an arc-shaped clamping plate (8).

5. A straight seam welded pipe quality inspection apparatus according to claim 4, wherein A bidirectional threaded rod (9) is rotatably connected to the upper surface of the L-shaped plate (10) and passes through and is threadedly connected with the two first sliding blocks (12).

6. A straight seam welded pipe quality inspection apparatus according to claim 5, wherein A handle is fixedly connected to the top end of the bidirectional threaded rod (9).

7. A straight seam welded pipe quality inspection apparatus according to claim 1, wherein One end of the guide rod (17) is fixedly connected with a stop block for resisting the arc-shaped plate (16).

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