Ultrasonic crack detector for coal mine mechanical part

Abstract

The utility model discloses an ultrasonic crack detector for a coal mine mechanical part, and relates to the technical field of ultrasonic detection equipment. The detecting instrument comprises a detecting instrument body and a probe, the probe is in signal connection with an interface of the detecting instrument body through a signal line, a supporting assembly is arranged on the detecting instrument body, and a dismounting assembly is arranged between the supporting assembly and the detecting instrument body. According to the utility model, the supporting assembly is arranged, and the U-shaped supporting plate and the U-shaped supporting rod in the supporting assembly are turned over and opened, so that the detecting instrument body is in an inclined state and is supported, and therefore, the supporting of the detecting instrument body can be conveniently realized, and the stability of the detecting instrument body in the use process can be improved; by means of the dismounting assembly, the nut is directly dismounted, limiting of the lug plate on the waist groove can be relieved, the supporting assembly and the detecting instrument body can be separated, dismounting of the supporting assembly is conveniently achieved, and then the flexibility of the supporting assembly is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic detection equipment technical field, concretely is a coal mine mechanical parts ultrasonic crack detector. BACKGROUND

[0002] The ultrasonic crack detector is a portable industrial nondestructive testing instrument, which can conveniently, quickly, nondestructively and accurately detect, locate, evaluate and diagnose various defects (cracks, looseness, pores, inclusions and the like) of workpieces or equipment and be applied to the fields of electric power, mineral resources, petrochemical industry, military industry, aerospace, railway transportation, automobiles and machinery;

[0003] However, the ultrasonic crack detector in the prior art still has some defects:

[0004] When the ultrasonic crack detector is used to detect cracks of coal mine mechanical equipment, the ultrasonic crack detector is mostly directly placed around the coal mine mechanical equipment, the ultrasonic crack detector in the prior art lacks support, thereby leading to poor stability of the ultrasonic crack detector, and it is inconvenient for the detector to observe crack data on the display screen of the ultrasonic crack detector. UTILITY MODEL CONTENT

[0005] In order to solve the above problems, the utility model aims at providing a coal mine mechanical parts ultrasonic crack detector.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme: a coal mine mechanical parts ultrasonic crack detector, comprising a detector body and a probe, the probe is connected with the interface signal of the detector body through a signal line, a supporting assembly is arranged on the detector body, and a dismounting assembly is arranged between the supporting assembly and the detector body.

[0007] The supporting assembly comprises a U-shaped supporting plate and a U-shaped supporting rod, two conical sleeves are detachably installed on the two sides of the detector body, a rotating shaft is rotatably installed at one end of each of the four conical sleeves, one end of each of the two adjacent rotating shafts is fixedly connected with the end of the U-shaped supporting plate, and one end of each of the other two adjacent rotating shafts is fixedly connected with the end of the U-shaped supporting rod.

[0008] A worm is rotatably installed on each of the four conical sleeves, and a worm wheel is fixedly arranged at the other end of each of the four rotating shafts.

[0009] Preferably, a first anti-skid sleeve is fixedly arranged at the middle of the U-shaped supporting plate.

[0010] Preferably, a second anti-skid sleeve is fixedly arranged at the middle of the U-shaped supporting rod.

[0011] Preferably, one end of the four worms is fixedly provided with an adjusting handle.

[0012] Preferably, the dismounting assembly comprises an ear plate, a plurality of ear plates are arranged, two adjacent ear plates are fixedly arranged on the outer wall of a conical sleeve, a threaded hole is formed in the ear plate, a mounting screw is threadedly and rotatably installed on the inner wall of the threaded hole, a nut is threadedly and rotatably installed on one end of the mounting screw, and the conical sleeve is detachably installed on one side of the detector body through the mounting screw and the nut.

[0013] Preferably, two waist grooves are formed in the two sides of the detector body, and the other end of the mounting screw is in movable contact with the inner wall of the waist groove.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、In the utility model, the support assembly is provided, the U-shaped support plate and the U-shaped support rod in the support assembly are turned over and opened, the detector body is in an inclined state, and the detector body is supported, so that the support of the detector body is conveniently realized, and the stability of the detector body in use is improved.

[0016] 2、In the utility model, the dismounting assembly is provided, the nut is directly removed, the ear plate on the waist groove is released from the limiting, the support assembly is separated from the detector body, so that the dismounting of the support assembly is conveniently realized, and the flexibility of the support assembly is effectively improved. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a whole structure schematic view of the coal mine machinery part ultrasonic crack detector of the utility model.

[0019] Figure 2 It is a turning over and opening schematic view of the U-shaped support plate and the U-shaped support rod of the utility model.

[0020] Figure 3 It is a separation structure schematic view of the support assembly and the detector body of the utility model.

[0021] Figure 4 It is a sectional structure schematic view of the conical sleeve of the utility model.

[0022] Figure 5 The utility model discloses Figure 4 A part amplification schematic diagram in the utility model.

[0023] In the drawing: 1, detection instrument body; 2, probe; 21, signal line; 3, support assembly; 31, U-shaped support plate; 311, first anti -slip cover; 32, U-shaped support rod; 321, second anti -slip cover; 33, conical sleeve; 34, pivot; 35, worm; 36, worm wheel; 37, adjusting handle; 4, dismounting assembly; 41, ear plate; 42, threaded hole; 43, mounting screw; 44, waist groove; 45, nut. DETAILED DESCRIPTION

[0024] 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, 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 the utility model.

[0025] Embodiment: as Figures 1-5 The utility model discloses a kind of coal mine machinery parts ultrasonic crack detectors, including detection instrument body 1 and probe 2, probe 2 is connected with the interface signal of detection instrument body 1 by signal line 21, detection instrument body 1 includes control module, pulse generator, amplifier, evaluation module, output module and display, control module is responsible for generating electric oscillation and is added to probe 2, to emit ultrasonic wave, simultaneously, control module is responsible for processing the electric signal received by probe 2, including filtering, detection and amplification operation, pulse generator generates high-voltage electric pulse to stimulate ultrasonic transducer to emit ultrasonic pulse to coal mine machinery parts, amplifier amplifies the received ultrasonic wave signal, to clearly show the crack information on coal mine machinery parts, evaluation module is responsible for evaluating the signal after processing, determines the existence, position and size of crack, output module transmits evaluation result data to display, and crack data is displayed by display, this is ultrasonic crack detector in the prior art, and it is mature technology, not described here, support assembly 3 is provided on detection instrument body 1, dismounting assembly 4 is arranged between support assembly 3 and detection instrument body 1, by setting support assembly 3 and dismounting assembly 4, support assembly 3 can support detection instrument body 1, to improve the stability of detection instrument body 1 in use process, facilitate detection personnel to observe crack data, dismounting assembly 4 can facilitate detection personnel to install support assembly 3 on detection instrument body 1, or remove support assembly 3 from detection instrument body 1, improve flexibility;

[0026] The support assembly 3 comprises a U-shaped support plate 31 and a U-shaped support rod 32, the middle part of the U-shaped support plate 31 is fixedly provided with a first anti-skid sleeve 311, the middle part of the U-shaped support rod 32 is fixedly provided with a second anti-skid sleeve 321, by arranging the U-shaped support plate 31 and the U-shaped support rod 32, when the U-shaped support plate 31 and the U-shaped support rod 32 are opened at different angles (the specific angle is determined according to the actual use requirement of the detection personnel and the environment of the detection scene), the detection instrument body 1 can be supported, the first anti-skid sleeve 311 and the second anti-skid sleeve 321 can improve the anti-skid performance of the U-shaped support plate 31 and the U-shaped support rod 32, two conical sleeves 33 are detachably installed on the two sides of the detection instrument body 1, one end of each of the four conical sleeves 33 is rotatably installed with a rotating shaft 34, one end of each of the adjacent two rotating shafts 34 is fixedly connected with the end part of the U-shaped support plate 31, and one end of each of the other adjacent two rotating shafts 34 is fixedly connected with the end part of the U-shaped support rod 32, by driving the rotating shaft 34 to rotate, the rotating shaft 34 can make the U-shaped support plate 31 and the U-shaped support rod 32 turn over;

[0027] A worm 35 is rotatably installed on each of the four conical sleeves 33, a worm wheel 36 is fixedly arranged at the other end of each of the four rotating shafts 34, the worm 35 and the worm wheel 36 are meshingly connected, by rotating the worm 35, the worm 35 can drive the worm wheel 36 to rotate, the worm wheel 36 can make the rotating shaft 34 rotate, one end of each of the four worms 35 is fixedly provided with an adjusting handle 37, by arranging the adjusting handle 37, the detection personnel can conveniently rotate the adjusting handle 37, and the adjusting handle 37 makes the worm 35 rotate.

[0028] The dismounting assembly 4 comprises a plurality of ear plates 41, adjacent two ear plates 41 are fixedly arranged on the outer wall of one conical sleeve 33, a threaded hole 42 is formed in the ear plate 41, an installation screw rod 43 is threadedly rotatably installed in the inner wall of the threaded hole 42, a nut 45 is threadedly rotatably installed at one end of the installation screw rod 43, the conical sleeve 33 is detachably installed on one side of the detection instrument body 1 through the installation screw rod 43 and the nut 45, two waist grooves 44 are formed in the two sides of the detection instrument body 1, the other end of the installation screw rod 43 movably contacts with the inner wall of the waist groove 44, by arranging the installation screw rod 43, the nut 45 and the waist groove 44, when the end part of the conical sleeve 33 is located at the position of the waist groove 44, the installation screw rod 43 can be rotated into the threaded hole 42 according to the installation requirement, and the ear plate 41 can be pressed on the waist groove 44 by the cooperation of the nut 45, so that the conical sleeve 33 is fixed on the side edge of the detection instrument body 1, and meanwhile, the installation height of the conical sleeve 33 can be adjusted according to the installation requirement by arranging the waist groove 44, so that the installation height of the U-shaped support plate 31 and the U-shaped support rod 32 can be finely adjusted.

[0029] Working principle: when the crack of the coal mine mechanical parts needs to be detected, the operator first places the detector body 1 on the periphery of the coal mine mechanical parts to be detected, then rotates the two adjusting handles 37 respectively, the adjusting handle 37 drives the worm 35 to rotate, the worm 35 drives the worm wheel 36 to rotate, the worm wheel 36 drives the shaft 34 to rotate, the two shafts 34 make the U-shaped support plate 31 overturn, and the other two shafts 34 make the U-shaped support rod 32 overturn, and the angle of the U-shaped support plate 31 and the U-shaped support rod 32 is adjusted (refer to Figure 2 ), after adjusting to the appropriate position, the detector body 1 is placed on the table of the detection environment, at this time, the first anti-skid sleeve 311 and the second anti-skid sleeve 321 are in contact with the table, and the U-shaped support plate 31 and the U-shaped support rod 32 support the detector body 1, so that the support of the detector body 1 is conveniently realized, the stability of the detector body 1 in use is improved, and the crack data is conveniently observed by the detection personnel;

[0030] Then the detection personnel hand-held probe 2 detects the crack of the coal mine mechanical parts;

[0031] When the support assembly 3 needs to be removed, the detection personnel rotates the plurality of nuts 45 by the hexagonal wrench, so that the plurality of nuts 45 are separated from the corresponding mounting screw 43, at this time the pressing force on the plurality of ear plates 41 is released, then the U-shaped support plate 31 and the U-shaped support rod 32 are pulled, so that the four conical sleeves 33 are separated from the side edge of the detector body 1, so that the removal of the support assembly 3 is conveniently realized, and the flexibility of the support assembly 3 is effectively improved.

[0032] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0033] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. A coal mine machinery part ultrasonic crack detector, comprising a detector body (1) and a probe (2), the probe (2) is connected with the interface signal of the detector body (1) through a signal line (21), characterized in that: The support assembly (3) is provided between the probe body (1) and the dismounting assembly (4). The support assembly (3) comprises a U-shaped support plate (31) and a U-shaped support rod (32), and two conical sleeves (33) are detachably installed on the two sides of the probe body (1); one end of each of the four conical sleeves (33) is rotatably installed with a rotating shaft (34), wherein one end of each of the adjacent two rotating shafts (34) is fixedly connected with the end of the U-shaped support plate (31), and one end of each of the other adjacent two rotating shafts (34) is fixedly connected with the end of the U-shaped support rod (32). One end of each of the four conical sleeves (33) is rotatably installed with a worm (35), and the other end of each of the four rotating shafts (34) is fixedly provided with a worm wheel (36), and the worm (35) and the worm wheel (36) are meshedly connected.

2. A coal mine machinery component ultrasonic crack detector as claimed in claim 1, wherein, The middle part of the U-shaped support plate (31) is fixedly provided with a first anti-skid sleeve (311).

3. The apparatus of claim 1 wherein, The middle part of the U-shaped support rod (32) is fixedly provided with a second anti-skid sleeve (321).

4. The apparatus of claim 1 wherein, One end of each of the four worms (35) is fixedly provided with an adjusting handle (37).

5. The apparatus of claim 1 wherein, The dismounting assembly (4) comprises an ear plate (41), a plurality of ear plates (41) are provided, wherein the adjacent two ear plates (41) are fixedly arranged on the outer wall of one conical sleeve (33); a threaded hole (42) is formed in the ear plate (41); an installation screw rod (43) is threadedly rotatably installed on the inner wall of the threaded hole (42); a nut (45) is threadedly rotatably installed on one end of the installation screw rod (43); and the conical sleeve (33) is detachably installed on one side of the probe body (1) through the installation screw rod (43) and the nut (45).

6. A coal mine machinery component ultrasonic crack detector as claimed in claim 5 wherein, Two waist grooves (44) are formed in the two sides of the probe body (1), and the other end of the installation screw rod (43) is in movable contact with the inner wall of the waist groove (44).

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