Ultrasonic pulse transmitting and receiving mechanism for detecting large-diameter bar

Abstract

The utility model discloses an ultrasonic pulse transmit-receive mechanism for large-diameter bar detection, which comprises an ultrasonic water tank, a side plate is mounted on one side of the inner wall of the ultrasonic water tank, a side frame is mounted on the other side of the inner wall of the ultrasonic water tank, and two rollers are rotatably connected between the side plate and the side frame through a first bearing. A transmission shaft is rotatably connected to one side of the top of the side frame through a second bearing, a driving motor is fixedly installed at the top end of the inner wall of the side frame, supports are installed on the two sides of the back face of the ultrasonic water tank, a transverse shell is installed on the tops of the two supports, a lead screw is rotatably connected to the interior of the transverse shell through a third bearing, and a stroke block is connected to the surface of the lead screw in a threaded mode. According to the ultrasonic pulse receiving and transmitting mechanism for detecting the large-diameter bar, the rotating roller structure is arranged for supporting, the stability and comprehensiveness in the ultrasonic detection process are guaranteed, suspended dirt, falling into water, of the bar can be cleaned, and the influence on the accuracy of ultrasonic flaw detection is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic flaw detection technical field, concretely is a kind of ultrasonic pulse transceiver mechanism for large diameter bar detection. BACKGROUND

[0002] Large diameter bar is detected in processing to ensure its internal quality, safety and performance meet standards, prevent potential defects cause accident or failure.

[0003] Large diameter bar can be detected by water immersion (including water spray) automatic ultrasonic scanning, to judge whether product is qualified, but the existing ultrasonic pulse transceiver mechanism for detection has the following shortcomings:

[0004] (1) the existing ultrasonic pulse transceiver mechanism lacks the support structure of bar, and the flaw detection process is not fast and stable enough, and the scanning is not comprehensive;

[0005] When the existing ultrasonic pulse transceiver mechanism adopts water immersion type to carry out ultrasonic scanning on bar, dirt on the surface of bar is easy to dissolve in water suspension, which affects the accuracy of ultrasonic flaw detection. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of ultrasonic pulse transceiver mechanism for large diameter bar detection, to solve the problems of the existing ultrasonic pulse transceiver mechanism lacking the support structure of bar, the flaw detection process being not fast and stable enough, the scanning being not comprehensive, and the accuracy of ultrasonic flaw detection being affected when the ultrasonic pulse transceiver mechanism adopts water immersion type to carry out ultrasonic scanning on bar.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of ultrasonic pulse transceiver mechanism for large diameter bar detection, including ultrasonic sink, one side of the inner wall of ultrasonic sink is installed with side plate, another side of the inner wall of ultrasonic sink is installed with side frame, and two roller are rotatably connected between the side plate and side frame by bearing one, one side of the top of side frame is rotatably connected with transmission shaft by bearing two, driving motor is fixedly installed at the top end of the inner wall of side frame, support is installed on the back of ultrasonic sink, and the top of two supports is installed with horizontal shell, the inside of horizontal shell is rotatably connected with lead screw by bearing three, the thread of the surface of lead screw is connected with stroke block, the bottom of stroke block is fixedly connected with connecting rod, the bottom of connecting rod is fixedly connected with ultrasonic probe, water filtering mechanism is installed on the front of ultrasonic sink.

[0008] When the ultrasonic pulse transceiving mechanism for large-diameter bar detection is used, the rotating roller structure is arranged to support, guarantee stability and comprehensiveness in the ultrasonic detection process, the suspended dirt of the bar falling into water can be cleaned, and the precision of the ultrasonic detection is avoided from being affected.

[0009] As a preferred technical scheme of the utility model, one end of two roller near side plate is fixedly connected with gear wheel one, and two gear wheels one are engaged.

[0010] As a preferred technical scheme of the utility model, the top end of transmission shaft is fixedly connected with gear wheel two, the output end of driving motor is fixedly connected with gear wheel three, gear wheel two and gear wheel three are engaged, one end of one roller near side frame is fixedly connected with bevel gear one, the bottom end of transmission shaft is fixedly connected with bevel gear two, and bevel gear one and bevel gear two are engaged.

[0011] As a preferred technical scheme of the utility model, the water filtering mechanism comprises a filter box, a water pump, a circulating water pipe and a filter screen, the filter box is fixedly connected to the bottom of the front side of the ultrasonic water tank, the filter screen is clamped in the filter box, the water pump is fixedly installed on the front side of the filter box, the input end of the water pump is communicated with the inside of the filter box, the output end of the filter box is fixedly connected with the circulating water pipe, and one end of the circulating water pipe is fixedly communicated with the other side of the front side of the ultrasonic water tank.

[0012] As a preferred technical scheme of the utility model, the top end of the filter box is clamped with a cover plate.

[0013] As a preferred technical scheme of the utility model, one end of the horizontal shell is fixedly installed with a speed reducer, and the output end of the speed reducer is fixedly connected with one end of the lead screw through the inner wall of the horizontal shell.

[0014] As a preferred technical scheme of the utility model, the bottom end of the horizontal shell is provided with a horizontal moving port, and the connecting rod is slidingly connected to the inner wall of the horizontal moving port.

[0015] As a preferred technical scheme of the utility model, the inner wall of the ultrasonic water tank is provided with a plurality of convex strips on both sides.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] By starting the driving motor, the two rollers can be driven to rotate simultaneously under the cooperation of the plurality of gears, the large-diameter bar material can be supported and turned over, the lead screw is driven to rotate by starting the speed reducer, the travel block and the ultrasonic probe below move horizontally, and the surface of the bar is detected, so that the stability and comprehensiveness in the ultrasonic detection process are ensured.

[0018] 2. By starting the water pump in the water filtering mechanism, the water in the ultrasonic water tank is pumped into the filter box, the dirt in the water is filtered and blocked by the filter screen, and the water flows back to the ultrasonic water tank by the circulating water pipe, so that the suspended dirt of the bar falling in the water can be cleaned, and the accuracy of the ultrasonic detection is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 It is a structural schematic view of the roller of the utility model;

[0021] Figure 3 It is a sectional view of the transverse shell of the utility model;

[0022] Figure 4 It is a perspective view of the ultrasonic water tank of the utility model;

[0023] Figure 5 It is a top sectional view of the filter box of the utility model.

[0024] In the drawing: 1, ultrasonic water tank; 2, transverse shell; 3, lead screw; 4, speed reducer; 5, travel block; 6, connecting rod; 7, ultrasonic probe; 8, convex strip; 9, side plate; 10, side frame; 11, roller; 12, circular gear one; 13, bevel gear one; 14, bevel gear two; 15, transmission shaft; 16, circular gear two; 17, circular gear three; 18, driving motor; 19, transverse moving port; 20, support; 21, water filtering mechanism; 211, filter box; 212, water pump; 213, circulating water pipe; 214, filter screen; 22, cover plate. DETAILED DESCRIPTION

[0025] 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.

[0026] Please refer to Figures 1-5The utility model provides a kind of ultrasonic pulse transceiving mechanism for large-diameter bar detection, including ultrasonic sink 1, water is inbuilt for the immersion of bar, one side of ultrasonic sink 1 inner wall is equipped with side plate 9, another side of ultrasonic sink 1 inner wall is equipped with side frame 10, and two roller wheels 11 are rotatably connected between side plate 9 and side frame 10 by bearing one, it plays the role of supporting to bar, one side of the top of side frame 10 is rotatably connected with transmission shaft 15 by bearing two, driving motor 18 is fixedly installed at the top of side frame 10 inner wall, both sides of the back of ultrasonic sink 1 are equipped with bracket 20, and the top of two brackets 20 is equipped with horizontal shell 2, screw rod 3 is rotatably connected in horizontal shell 2 by bearing three, travel block 5 is connected on the surface of screw rod 3 by screwing, the bottom of travel block 5 is fixedly connected with connecting rod 6, the bottom of connecting rod 6 is fixedly connected with ultrasonic probe 7, for flaw detection to bar surface, water filtering mechanism 21 is installed on the front of ultrasonic sink 1.

[0027] When using, ultrasonic sink 1 uses organic glass or optional stainless steel tank material, carries out ultrasonic detection using water immersion or water spraying, places bar on two rotating roller wheels 11, and makes ultrasonic probe 7 move horizontally, carries out flaw detection to the surface of bar, and ultrasonic detection result realizes intuitive image for the size, position and geometry of defect.

[0028] One end of two roller wheels 11 close to side plate 9 is fixedly connected with circular gear one 12, two circular gear one 12 engages, the top of transmission shaft 15 is fixedly connected with circular gear two 16, the output end of driving motor 18 is fixedly connected with circular gear three 17, circular gear two 16 engages with circular gear three 17, one of roller wheels 11 is fixedly connected with bevel gear one 13 close to one end of side frame 10, the bottom of transmission shaft 15 is fixedly connected with bevel gear two 14, bevel gear one 13 engages with bevel gear two 14, plays the role of transmission, and the both sides of ultrasonic sink 1 inner wall are equipped with several convex strips 8, so that side plate 9 and side frame 10 have a certain distance from the inner wall of water tank after installation.

[0029] When using, by starting driving motor 18, under the cooperation of multiple gears, two roller wheels 11 can be driven to rotate simultaneously, can support and turn over large-diameter bar material, ensure stability and comprehensiveness in ultrasonic detection process, and convex strip 8 arranged on the side wall of ultrasonic sink 1 provides accommodation space for gears on both sides after installing side plate 9 and side frame 10.

[0030] The water filtering mechanism 21 comprises a filter box 211, a water pump 212, a circulating water pipe 213 and a filter screen 214, the filter box 211 is fixedly connected to the bottom of the front side of the ultrasonic water tank 1, the filter screen 214 is clamped in the filter box 211, the filter screen 214 filters dirt, the water pump 212 is fixedly installed on the front side of the filter box 211, and the input end of the water pump 212 is in communication with the inside of the filter box 211, the output end of the filter box 211 is fixedly connected with the circulating water pipe 213, one end of the circulating water pipe 213 is fixedly connected with the other side of the front side of the ultrasonic water tank 1, the top end of the filter box 211 is clamped with the cover plate 22, the cover plate 22 can be disassembled, one end of the horizontal shell 2 is fixedly installed with the speed reducer motor 4, and the output end of the speed reducer motor 4 is fixedly connected with one end of the lead screw 3 through the inner wall of the horizontal shell 2, and is used for driving, the bottom end of the horizontal shell 2 is provided with the horizontal moving port 19, and the connecting rod 6 is slidingly connected to the inner wall of the horizontal moving port 19, so as to provide a moving space.

[0031] In use, the speed reducer motor 4 is started to drive the lead screw 3 to rotate, under the guidance of the horizontal moving port 19, the travel block 5 and the ultrasonic probe 7 below can be horizontally moved, and the surface of the bar is detected, the water pump 212 in the water filtering mechanism 21 is started, the water in the ultrasonic water tank 1 is pumped into the filter box 211, the dirt in the water is filtered and blocked by the filter screen 214, and then the water is flowed back to the ultrasonic water tank 1 through the circulating water pipe 213, so that the suspended dirt of the bar in the water can be cleaned.

[0032] In specific use, the ultrasonic wave pulse transceiver mechanism for detecting large-diameter bars, the ultrasonic water tank 1 is made of organic glass or a stainless steel tank material, ultrasonic detection is carried out in the form of water immersion or water spraying, the ultrasonic detection result directly shows the size, position and geometric shape of the defect, the speed reducer motor 4 is started to drive the lead screw 3 to rotate, under the guidance of the horizontal moving port 19, the travel block 5 and the ultrasonic probe 7 below can be horizontally moved, and the surface of the bar is detected, the driving motor 18 is started, and the two rollers 11 can be simultaneously rotated under the cooperation of the plurality of gears, the large-diameter bar material can be supported and turned over, the stability and comprehensiveness in the ultrasonic detection process are ensured, the water pump 212 in the water filtering mechanism 21 is started, the water in the ultrasonic water tank 1 is pumped into the filter box 211, the dirt in the water is filtered and blocked by the filter screen 214, and then the water is flowed back to the ultrasonic water tank 1 through the circulating water pipe 213, so that the suspended dirt of the bar in the water can be cleaned, and the precision of the ultrasonic detection is avoided from being affected.

[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An ultrasonic pulse transceiver for large diameter bar detection, comprising an ultrasonic water tank (1), characterized in that: The inner wall of the ultrasonic water tank (1) is provided with a side plate (9) on one side, and a side frame (10) on the other side, and two rollers (11) are rotatably connected between the side plate (9) and the side frame (10) through bearings, the top of the side frame (10) is rotatably connected with a transmission shaft (15) through a bearing II, and a driving motor (18) is fixedly installed at the top of the side frame (10). The back of the ultrasonic water tank (1) is provided with a support (20) on both sides, and a horizontal shell (2) is installed on the top of the two supports (20), the horizontal shell (2) is rotatably connected with a lead screw (3) through a bearing III, the surface of the lead screw (3) is threadedly connected with a travel block (5), the bottom end of the travel block (5) is fixedly connected with a connecting rod (6), the bottom end of the connecting rod (6) is fixedly connected with an ultrasonic probe (7), and the front of the ultrasonic water tank (1) is provided with a water filtering mechanism (21).

2. The ultrasonic pulse transceiver for large diameter bar detection according to claim 1, characterized in that: One end of each of the two rollers (11) near the side plate (9) is fixedly connected with a circular gear (12), and the two circular gears (12) are engaged.

3. The ultrasonic pulse transceiver for large diameter bar detection according to claim 1, characterized in that: The top end of the transmission shaft (15) is fixedly connected with a circular gear (16), the output end of the driving motor (18) is fixedly connected with a circular gear (17), the circular gear (16) is engaged with the circular gear (17), one end of one of the rollers (11) near the side frame (10) is fixedly connected with a bevel gear (13), the bottom end of the transmission shaft (15) is fixedly connected with a bevel gear (14), and the bevel gear (13) is engaged with the bevel gear (14).

4. The ultrasonic pulse transceiver for large diameter bar detection according to claim 1, characterized in that: The water filtering mechanism (21) comprises a filter box (211), a water pump (212), a circulating water pipe (213) and a filter screen (214), the filter box (211) is fixedly connected to the bottom of one side of the front of the ultrasonic water tank (1), the filter screen (214) is clamped in the filter box (211), the water pump (212) is fixedly installed on the front of the filter box (211), and the input end of the water pump (212) is in communication with the inside of the filter box (211), the output end of the filter box (211) is fixedly connected with the circulating water pipe (213), and one end of the circulating water pipe (213) is fixedly connected with the other side of the front of the ultrasonic water tank (1).

5. The ultrasonic pulse transceiver for large diameter bar detection according to claim 4, characterized in that: The top end of the filter box (211) is clamped with a cover plate (22).

6. The ultrasonic pulse transceiver for large diameter bar detection according to claim 4, characterized in that: One end of the horizontal shell (2) is fixedly installed with a speed reducer (4), and the output end of the speed reducer (4) is fixedly connected with one end of the lead screw (3) through the inner wall of the horizontal shell (2).

7. The ultrasonic pulse transceiver for large diameter bar detection according to claim 6, characterized in that: The bottom end of the horizontal shell (2) is provided with a horizontal moving port (19), and the connecting rod (6) is slidably connected to the inner wall of the horizontal moving port (19).

8. The ultrasonic pulse transceiver for large diameter bar detection according to claim 1, characterized in that: The inner wall of the ultrasonic water tank (1) is provided with a plurality of convex strips (8) on both sides.

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