Adjustable steel bar flaw detector

Abstract

The utility model relates to the technical field of steel bar flaw detection, in particular to an adjustable steel bar flaw detector. According to the technical scheme, the device comprises a fixing frame and a flaw detector, a fixed conveying roller is rotationally installed at the position, close to the lower surface, in the fixing frame, a flaw detection head is fixedly installed at the position, close to the fixed conveying roller, of the bottom of the inner wall of the fixing frame, a nut is welded to the upper surface of the fixing frame, and a lifting screw is movably inserted into the nut; the end, located in the fixing frame, of the lifting screw is rotationally connected with a lifting frame, and a lifting conveying roller is rotationally installed in the lifting frame. In the steel bar flaw detection process, the steel bar can automatically move without manually holding the flaw detector, so that the detection efficiency is improved, the contact abrasion between the steel bar and the flaw detector is avoided, and the steel bar flaw detector can be suitable for steel bars with different outer diameters through adjustment and is high in applicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to reinforcing steel bar flaw detection technical field, concretely is a kind of adjustable reinforcing steel bar flaw detector. BACKGROUND

[0002] Reinforcing steel bar refers to the steel material used in reinforced concrete and prestressed reinforced concrete, and reinforcing steel bar mainly bears tensile stress in concrete structure, and the deformation reinforcing steel bar has greater adhesion with concrete due to the action of rib, and can better bear external force, and reinforcing steel bar flaw detection refers to nondestructive testing of reinforcing steel bar to detect its internal and surface defects, to ensure its quality and safety.

[0003] Currently, when reinforcing steel bar flaw detection is carried out, the detector needs to hold the flaw detector and move along the surface of reinforcing steel bar to carry out flaw detection, and the flaw detector inevitably comes into contact with and collides against the surface of reinforcing steel bar, which easily leads to surface wear of the flaw detector and flaw detection head, and the efficiency is also relatively low, therefore, the utility model provides a kind of adjustable reinforcing steel bar flaw detector. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of adjustable reinforcing steel bar flaw detectors, with in the process of reinforcing steel bar flaw detection, it can make reinforcing steel bar automatically move without manual holding flaw detector, improve the detection efficiency, simultaneously avoid the contact wear of reinforcing steel bar and flaw detector, and by adjusting, it can be suitable for reinforcing steel bar of different outer diameters, with high applicability The advantage solves the problem that currently, when reinforcing steel bar flaw detection is carried out, the detector needs to hold the flaw detector and move along the surface of reinforcing steel bar to carry out flaw detection, and the flaw detector inevitably comes into contact with and collides against the surface of reinforcing steel bar, which easily leads to surface wear of the flaw detector and flaw detection head, and the efficiency is also relatively low.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable reinforcing steel bar flaw detector, including fixed frame and flaw detector, the fixed frame inside is close to the position of lower surface Rotary installation has fixed conveying roller, the bottom of the inner wall of fixed frame is close to the position of fixed conveying roller Fixed installation has flaw detection head, the upper surface of fixed frame is welded with nut, the inside of nut is movably inserted with lifting screw rod, one end of lifting screw rod in fixed frame interior Rotary connection has lifting frame, the lifting frame is rotatably installed with lifting conveying roller, the outer surface of lifting conveying roller and fixed conveying roller is all provided with first annular groove, the one side of the outer surface of fixed frame is fixedly installed with flaw detector, and flaw detector and flaw detection head are electrically connected.

[0006] Preferably, the one side of the outer surface of fixed frame is fixedly installed with speed reducer away from flaw detector, the output end of speed reducer and the terminal of fixed conveying roller are fixedly connected, the outer side of speed reducer is fixedly installed with conveying motor, the output end of conveying motor and the input end of speed reducer are fixedly connected.

[0007] Preferably, the lifting screw is fixedly connected with a hand wheel at one end outside the fixed frame.

[0008] Preferably, the front surface and the rear surface of the fixed frame are welded with guide frames near the lower surface positions, the guide rollers are rotatably installed inside the two guide frames, and the outer surface of the guide rollers is provided with a second annular groove.

[0009] Preferably, the outer surface of the two guide frames is welded with internally threaded pipes at both sides, and the four internally threaded pipes are movably inserted with externally threaded columns inside.

[0010] Preferably, the four externally threaded columns are fixedly connected with support discs at one end outside the internally threaded pipes.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1. The utility model discloses a fixed frame, a fixed conveying roller, a lifting frame, a lifting conveying roller, a first annular groove, a lifting screw, a nut, a flaw detection head and a flaw detector are arranged, in the process of reinforcing steel bar flaw detection, the reinforcing steel bar can be automatically moved without manual holding of the flaw detector, the detection efficiency is improved, the contact abrasion of the reinforcing steel bar and the flaw detector is avoided, and the effect that the utility model is suitable for reinforcing steel bars with different outer diameters through adjustment is high.

[0013] 2. The utility model discloses a guide frame, a guide roller and a second annular groove are arranged, the effect that the guide frame is guided is achieved, the guide rollers in the two guide frames can guide the reinforcing steel bar before entering the fixed frame and the reinforcing steel bar when moving out of the fixed frame, and the reinforcing steel bar is partially arranged in the second annular groove in the process of guiding the reinforcing steel bar, so that the reinforcing steel bar in movement is limited.

[0014] 3. The utility model discloses an internally threaded pipe, an externally threaded column and a support disc are arranged, the effect that the scene applicability of the flaw detector is improved is achieved, when using the flaw detector, according to the demand of the use scene, the height of the fixed frame and the guide frame can be adjusted by rotating the support disc and the externally threaded column, so that the reinforcing steel bar passes through the guide frame and the fixed frame conveniently. DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2The utility model discloses a fixed frame partial three-dimensional structure schematic diagram;

[0017] Figure 3 The utility model discloses a lifting frame partial three-dimensional structure schematic diagram;

[0018] Figure 4 The utility model discloses a guide frame partial three-dimensional structure schematic diagram;

[0019] Figure 5 The utility model discloses a front view structure schematic diagram.

[0020] Fig. 1, fixed frame;2, flaw detector;3, guide frame;4, flaw detection head;5, first annular groove;6, fixed conveying roller;7, speed reducer;8, conveying motor;9, lifting frame;10, nut;11, lifting conveying roller;12, lifting screw;13, hand wheel;14, guide roller;15, second annular groove;16, internal thread pipe;17, external thread column;18, support disc. Specific implementation

[0021] The technical scheme of the utility model will be further explained below in combination with the drawings and specific embodiments.

[0022] Embodiment one

[0023] As Figure 1 , Figure 2 , Figure 3 and Figure 5 indicated, the utility model provides a kind of adjustable steel flaw detector, including fixed frame 1 and flaw detector 2, fixed frame 1 is through and through from front to back, fixed frame 1 inside is close to the position of lower surface and is rotatably installed with fixed conveying roller 6, fixed conveying roller 6 and fixed frame 1 are rotatably connected by bearing between, fixed frame 1 outer surface is fixedly installed with speed reducer 7 on the side away from flaw detector 2, speed reducer 7 output end and fixed conveying roller 6 terminal fixed connection, speed reducer 7 outside is fixedly installed with conveying motor 8, conveying motor 8 output end and speed reducer 7 input end fixed connection, conveying motor 8 is rotated by speed reducer 7 and drives fixed conveying roller 6, fixed frame 1 inner wall's bottom is fixedly installed with flaw detection head 4 close to the position of fixed conveying roller 6.

[0024] The nut 10 is welded on the upper surface of the fixed frame 1, the lifting screw rod 12 is movably inserted into the nut 10, the lifting screw rod 12 is fixedly connected with the hand wheel 13 at one end outside the fixed frame 1, the lifting screw rod 12 is rotatably connected with the lifting frame 9 at one end inside the fixed frame 1, the lifting frame 9 is in the shape of 'n' in the main view, the lifting frame 9 and the lifting screw rod 12 are rotatably connected through bearings, the lifting transmission roller 11 is rotatably installed inside the lifting frame 9, the lifting frame 9 and the lifting transmission roller 11 are rotatably connected through bearings, the distance between the lifting transmission roller 11 and the fixed transmission roller 6 can be adjusted in the lifting process of the lifting frame 9, so that the steel bars with different outer diameters can pass through and be conveyed, the first annular grooves 5 are arranged on the outer surfaces of the lifting transmission roller 11 and the fixed transmission roller 6, the flaw detector 2 is fixedly installed on one side of the outer surface of the fixed frame 1, and the flaw detector 2 is electrically connected with the flaw detection head 4.

[0025] In use, one end of the steel bar enters the fixed frame 1, the lifting screw rod 12 is rotated to drive the lifting frame 9 and the lifting transmission roller 11 to descend, the lifting transmission roller 11 contacts the steel bar, the upper and lower parts of the steel bar enter the two first annular grooves 5 respectively, the fixed transmission roller 6 rotates to drive the steel bar to move and pass through the fixed frame 1, and the flaw detection head 4 cooperates with the flaw detector 2 to detect the steel bar.

[0026] Embodiment two

[0027] As shown in Figure 1 , Figure 4 and Figure 5 , the utility model provides a kind of adjustable steel bar flaw detector, compared to embodiment one, this embodiment further includes that fixed frame 1 front surface and rear surface are welded with guide frame 3 near lower surface position, guide frame 3 main view is 'u' shape, two guide rollers 14 are rotatably installed in guide frame 3, guide roller 14 and guide frame 3 are rotatably connected by bearing, and second annular groove 15 is arranged on the outer surface of guide roller 14.

[0028] In this embodiment, the guide roller 14 in the two guide frames 3 can guide the steel bar before entering the fixed frame 1 and the steel bar when moving out from the fixed frame 1, and in the process of guiding the steel bar by the guide roller 14, part of the steel bar enters the second annular groove 15, so as to limit the moving steel bar.

[0029] Embodiment three

[0030] As shown in Figure 1 , Figure 4 and Figure 5Compared with the first embodiment, the adjustable steel bar flaw detector further comprises two internally-threaded pipes 16 welded at both sides of the outer surface of each guide frame 3, and each internally-threaded pipe 16 movably inserts an externally-threaded column 17, and each externally-threaded column 17 is fixedly connected with a support disc 18 at one end outside the internally-threaded pipe 16.

[0031] In the embodiment, when the flaw detector is used, the support disc 18 and the externally-threaded column 17 can be rotated to adjust the height of the fixing frame 1 and the guide frame 3 according to the requirement of the use scene, so that the steel bar can conveniently pass through the guide frame 3 and the fixing frame 1.

[0032] The above specific embodiments are only several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. An adjustable steel bar flaw detector comprising a fixing frame (1) and a flaw detector (2), characterized in that: The fixed frame (1) is internally rotatably installed with a fixed conveying roller (6) near the lower surface, the bottom of the inner wall of the fixed frame (1) is fixedly installed with a flaw detection head (4) near the fixed conveying roller (6), the upper surface of the fixed frame (1) is welded with a nut (10), the inside of the nut (10) is movably inserted with a lifting screw rod (12), one end of the lifting screw rod (12) located inside the fixed frame (1) is rotatably connected with a lifting frame (9), the lifting frame (9) is rotatably installed with a lifting conveying roller (11) inside, the outer surfaces of the lifting conveying roller (11) and the fixed conveying roller (6) are both provided with a first annular groove (5), the fixed frame (1) is fixedly installed with a flaw detector (2) on one side of the outer surface, and the flaw detector (2) and the flaw detection head (4) are electrically connected.

2. An adjustable rebar flaw detector according to claim 1, wherein: The outer surface of the fixed frame (1) is fixedly installed with a speed reducer (7) on the side away from the flaw detector (2), the output end of the speed reducer (7) is fixedly connected with the distal end of the fixed conveying roller (6), and the outer side of the speed reducer (7) is fixedly installed with a conveying motor (8), the output end of the conveying motor (8) is fixedly connected with the input end of the speed reducer (7).

3. An adjustable rebar flaw detector according to claim 1, wherein: One end of the lifting screw rod (12) located outside the fixed frame (1) is fixedly connected with a hand wheel (13).

4. The adjustable rebar flaw detector of claim 1, wherein: The front surface and the rear surface of the fixed frame (1) are both welded with a guide frame (3) near the lower surface, the inside of each of the two guide frames (3) is rotatably installed with a guide roller (14), and the outer surface of the guide roller (14) is provided with a second annular groove (15).

5. An adjustable rebar flaw detector according to claim 4, wherein: The outer surfaces of the two guide frames (3) are both welded with an internally threaded pipe (16) on both sides, and the inside of each of the four internally threaded pipes (16) is movably inserted with an externally threaded column (17).

6. An adjustable rebar flaw detector according to claim 5, wherein: One end of each of the four externally threaded columns (17) located outside the internally threaded pipe (16) is fixedly connected with a support disc (18).

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