CN109956374B

CN109956374B - Sound emission detection take-up device

Info

Publication number: CN109956374B
Application number: CN201910171158.8A
Authority: CN
Inventors: 柴军辉; 许波; 黄焕东; 沈建民; 吴蒙蒙; 陆建平; 李武俊; 张小龙
Original assignee: Ningbo Labor Safety Technology Service Co
Current assignee: Ningbo Labor Safety Technology Service Co ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-12-08
Anticipated expiration: 2039-03-07
Also published as: CN109956374A

Abstract

The invention discloses a take-up device for acoustic emission detection, which comprises a shell, a wire cavity, a wire wheel in the wire cavity, a wire shell on the wire wheel, a driving part in the shell and a wire port part above the shell, wherein a switch and a connector lug are arranged on the outer side surface of the shell, the driving part comprises a wire port part, a motor shaft, the wire wheel and a lifting transmission part, the motor is fixed in the shell, the motor shaft is fixedly connected to the motor, and the motor shaft is connected with the lifting transmission part, the wire wheel and the wire port part in a driving mode. The multiple wires are gathered in the wire casing through the wire casing, the wires are convenient to manage, the wire casing ring and the wire teeth are matched, the wire casing can be conveniently wound and unwound, particularly, the wire reel paying-off speed and the wire tooth paying-off speed are kept approximately consistent in the paying-off process, the wire casing can not be wound together in a wire cavity in an explosion mode, the paying-off is convenient, the wire reel is matched with the gear rod in a transmission mode, the wire casing can be wound on the wire reel up and down, and the wire casing can not be wound at the same position.

Description

Sound emission detection take-up device

Technical Field

The invention relates to the field of pipeline ultrasonic guided wave detection, in particular to the field of a take-up device for acoustic emission detection.

Background

The ultrasonic guided wave detector is designed for rapidly detecting corrosion outside and inside a long-distance pipeline and axial and circumferential cracks, and can be widely applied to pipeline detection under the environments of underground, heat insulation, high temperature and the like; the low-frequency ultrasonic waves emitted by the sensor arranged on the pipeline can be transmitted on the wall of the pipe by hundreds of meters, and echo signals can display the condition of the pipeline; different sensors are selected for use to the pipeline of different diameters, use fixed sensor to the pipeline of 2~8 inches, can use telescopic annular sensor to the pipeline that the diameter is 8~72 inches, in order to lock fast, easy and simple to handle, two rows of inflatable sensor rings can be added to the sensor, can set up at an interval in order to keep abundant contact gasbag and supersound guided wave sensor on the pipeline, so lead to inflating line and guided wave line ten minutes, in site operation, the line of receiving and releasing can account for a great half work load of detection achievement. The invention particularly provides a take-up device for acoustic emission detection aiming at the problem.

Disclosure of Invention

The invention mainly aims to provide a take-up device for acoustic emission detection. In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a take-up that acoustic emission detected, includes the line wheel in casing, line chamber, line wheel, the line shell on the line, the drive division in the casing and the line mouth portion of casing top, and casing outside surface is equipped with switch and connector lug, the drive division includes line oral area, motor shaft, line wheel and lift transmission portion, the motor is fixed inside the casing, the motor shaft rigid coupling is on the motor, motor shaft connection drive lift transmission portion, line wheel and line oral area.

Preferably, the lifting transmission part is located inside the shell, the lifting transmission part comprises a first gear, a sliding block, a second gear, a fixed column and a limiting column, the second gear is fixedly connected to the motor shaft in a normal direction and is close to the motor end, the fixed column is fixed to the shell, the first gear is rotatably fixed to the fixed column, the first gear and the second gear are meshed and are located on the same plane, a protruding block is arranged on a side plane of the first gear, a groove is formed in one side of the sliding block, one side, provided with the groove, of the sliding block is attached to a side plane, away from the fixed column, of the first gear, the limiting column is vertically fixed inside the shell, one end of the sliding block is fixed to the limiting column and can slide up and down, and the sliding block is connected with.

Preferably, be fixed with the face tooth on the motor shaft and be located one side of second gear, the slider is fixed with the lifter, lifter one end is fixed at the slider, the other end is rotatable to be fixed at line wheel top, the lifter outer lane is equipped with endocentric ratch, the line takes turns to and is equipped with the counter bore, be equipped with the counter bore groove in the counter bore, the ratch is fixed in on the casing, the ratch outer lane is equipped with the ratch arris, the cooperation of ratch arris the counter bore groove, the ratch can slide from top to bottom in the counter bore.

Preferably, the spool part comprises a spool, a spool tooth, a spool cover hole, a spool column, a first helical tooth and a second helical tooth, the second helical tooth is fixed at the end part of the motor shaft far away from the motor, the spool column is fixed at the upper end surface of the shell, the spool is rotatably fixed in the spool column, the first helical tooth is fixed at the spool end in the shell, the spool end outside the shell is fixed with the spool tooth, and the spool tooth is surrounded by the spool cover; the line gauze mask is equipped with two line cover holes on crossing the collinear in axle center, the line chamber is equipped with the line chamber hole, line shell on the line wheel is receive and releases through line chamber hole and two line cover holes.

Preferably, the bobbin comprises a bobbin cavity and a bobbin ring, the bobbin ring is matched with the thread teeth, and a bobbin ring chamfer is arranged on one side of the bobbin ring. The shell material can be made of a high-elasticity polymer material with the characteristic of reversible deformation, is elastic at room temperature, can deform to a certain extent under the stress condition, and can recover the original shape after external force is removed, such as rubber, the shell is used for placing an inflated wire and a wire for transmitting ultrasonic waves together and is used as a shell, a shell ring on the surface of the shell is used for matching with a wire tooth, and the shell ring can pull out the wire on the wire wheel under the action of the wire tooth; the line shell ring chamfer of one side of the line shell ring is in order to contact with the line shell ring chamfer at the tooth on the line tooth in the line taking-up process, and the line shell ring can directly cross the tooth on the line tooth due to certain elasticity of the line shell material, so that the line shell ring is prevented from being clamped when the speed of the line taking-up shell of the line wheel is higher than the speed of the line taking-up shell of the line tooth.

Preferably, the rack bar is provided with a positioning groove, and the positioning groove rotatably fixes the rack bar on the shell.

The wire winding device has the advantages that a plurality of wires are gathered in the wire casing through the wire casing, the wire management is convenient, the wire casing ring is matched with the wire teeth, the wire casing can be wound and unwound conveniently, particularly, the wire unwinding speed of the wire wheel is approximately consistent with the wire unwinding speed of the wire teeth in the wire unwinding process, the wire casing can not be wound together in a wire cavity in an explosion mode, the wire unwinding is convenient, the wire casing can be wound up and down on the wire wheel under the transmission matching of the lifting rod and the tooth rod when the wire casing is wound, the wire casing can not be wound at the same position, the accommodating capacity of the wire cavity is increased, when the wire casing is wound on the wire wheel, the rotating inner diameter of the wire wheel is increased, the wire winding speed of the opposite wire wheel can be slowly increased, the wire casing ring chamfer is arranged on one side of the wire casing ring, the teeth on the wire teeth are in contact with the wire casing ring chamfer in the wire winding process, and the wire casing material has certain elasticity, the line shell ring can directly cross the teeth on the line teeth, and the line shell taking-up speed of the line wheel is prevented from being clamped when being faster than the line shell speed of the line teeth.

Drawings

Fig. 1 is a perspective view of a wire take-up device for acoustic emission detection.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 3.

Fig. 5 is a sectional view taken along line C-C of fig. 3.

Fig. 6 is a sectional view taken along line D-D of fig. 3.

Fig. 7 is a perspective view of an acoustic emission test wire takeup device with the housing and wire cavity hidden.

Fig. 8 is a front view of fig. 7.

Fig. 9 is a front cross-sectional view of fig. 8 taken along the center of the rack bar.

Fig. 10 is a perspective exploded view of the mating of the first gear of the part and the slide.

Fig. 11 is a cross-sectional view through E-E of fig. 4 with the reel raised to the highest position.

Fig. 12 is a cross-sectional view taken along line E-E of fig. 4 when the spool is lowermost.

The names of the parts corresponding to the respective reference numerals are: a housing 1; a switch 101; a connector lug 102; a wire cavity 2; a wire cavity hole 21; a thread opening part 3; a bobbin 31; the wire teeth 32; a thread mask 33; a wire cover hole 34; a spool post 35; a first helical tooth 36; a second helical tooth 37; a wire housing 4; a bobbin cavity 41; a bobbin ring 42; a bobbin ring chamfer 421; a wire wheel 5; a lifter 51; a counterbore 52; a counter sink 521; the rack bar 53; a rack bar edge 531; a positioning groove 532; face teeth 54; a motor 6; a motor shaft 61; a first gear 71; a slider 72; a second gear 73; a fixed post 74; a restraining post 75.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

One embodiment of the invention comprises a take-up device for acoustic emission detection, which comprises a shell 1, a wire cavity 2, a wire wheel 5 in the wire cavity, a wire shell 4 on the wire wheel, a driving part in the shell and a wire port part 3 above the shell, wherein the outer side surface of the shell 1 is provided with a switch 101 and a connector lug 102, the driving part comprises a wire port part 3, a motor 6, a motor shaft 61, a wire wheel 5 and a lifting transmission part 7, the motor 6 is fixed in the shell 1, the motor shaft 61 is fixedly connected on the motor 6, and the motor shaft 61 is connected with the lifting transmission part 7, the wire wheel 5 and the wire port part 3.

The lifting transmission part 7 is positioned inside the housing 1, the lifting transmission part 7 comprises a first gear 71, a sliding block 72, a second gear 73, a fixed column 74 and a limiting column 75, the second gear 73 is fixedly connected to the motor shaft 61 in the normal direction and close to the end of the motor 6, the fixing column 74 is fixed to the housing 1, the first gear 71 is rotatably fixed on a fixed column 74, the first gear 71 and the second gear 73 are meshed and are positioned on the same plane, a convex block is arranged on the plane of one side of the first gear 71, a groove is arranged on one side of the sliding block 72, the grooved side of the sliding block 72 is attached to the plane of the side of the first gear 71 away from the fixed column 74, the limiting column 75 is vertically fixed inside the shell 1, one end of the sliding block 72 is fixed on the limiting column 75 and can slide up and down, and the sliding block 72 is connected with the driving wire wheel 5 to move up and down.

The motor shaft 61 is fixed with a face tooth 54 and is located on one side of the second gear 73, the slider 72 is fixed with the lifting rod 51, one end of the lifting rod 51 is fixed on the slider 72, the other end of the lifting rod is rotatably fixed on the top of the reel 5, the outer ring of the lifting rod 51 is provided with a concentric toothed bar 53, the inside of the reel 5 is provided with a counter bore 52, the inside of the counter bore 52 is provided with a counter bore groove 521, the toothed bar 53 is fixed on the housing 1, the outer ring of the toothed bar 53 is provided with a toothed bar edge 531, the toothed bar edge 531 is matched with the counter bore groove 521, and the toothed bar 53 can slide up and down in.

The line oral area 3 includes spool 31, line tooth 32, line gauze mask 33, line gauze mask hole 34, spool post 35, first skewed tooth 36 and second skewed tooth 37, the second skewed tooth 37 is fixed the end that the motor shaft 61 kept away from the motor, spool post 35 is fixed at casing 1 up end, spool 31 is rotatable to be fixed in spool post 35, and the spool 31 end that is located the casing is fixed with first skewed tooth 36, and the spool 31 end that is located the casing outside is fixed with line tooth 32, line tooth 32 by line gauze mask 33 surrounds. The line gauze mask 33 is equipped with two line gauze mask holes 34 on the collinear of crossing the axle center, line chamber 2 is equipped with line chamber hole 21, line shell 4 on the line wheel receive and releases through line chamber hole 21 and two line gauze mask holes 34.

The bobbin 4 comprises a bobbin cavity 41 and a bobbin ring 42, the bobbin ring 42 is matched with the thread teeth 32, and a bobbin ring chamfer 421 is arranged on one side of the bobbin ring 42.

The rack bar 53 is provided with a positioning groove 532, and the rack bar 53 is rotatably fixed on the housing 1 by the positioning groove 532.

The whole movement process is as follows: connecting the inflator cord and the ultrasound generating apparatus cord to a connector 102 on the housing 1, turning on the switch 101;

a wire take-up process: starting the motor 6, rotating the motor 6 positively, rotating the motor shaft 61 positively, rotating the second gear 73, the face teeth 54 and the second helical teeth 37 on the motor shaft 61 positively, wherein the second gear 73 is engaged with the first gear 71 fixed on the housing 1 by the fixed column 74, the projection on the first gear 71 is matched with the groove of the slider 72, the slider 72 makes the slider 72 move up and down on the first gear 71 under the action of the limit column 75, the slider 72 is fixed at one end of the lifting rod 51, the lifting rod 51 moves up and down, the other end of the lifting rod 51 is rotatably fixed at the top of the reel 5, the reel 5 moves up and down, simultaneously, the face teeth 54 rotate positively to drive the tooth rod 53 positively, the tooth rod edge 531 on the tooth rod 53 is matched with the positioning groove 532 on the reel 5, the tooth rod 53 drives the reel 5 to rotate positively, so that the forward rotation is also carried out when the reel 5 moves up and down, the, the first helical teeth are fixed on a bobbin 31, the bobbin 31 is fixed with wire teeth 32, the wire teeth 32 rotate in the positive direction, one end of a wire shell 4 is fixed on the reel 5, the wire shell 4 passes through a wire shell hole 21 and a wire cover hole 33, under the driving of the rotation of the wire wheel 5, the wire shell 4 is uniformly wound on the wire wheel 5, and particularly, attention is paid to a point, when the wire housing 4 of the wire wheel 5 is wound, the rotating inner diameter of the wire wheel 5 is increased when the wire housing 4 is overlapped on the shaft of the wire wheel 5, the speed of winding the wire housing of the opposite wire wheel 5 is slowly increased, the bobbin ring chamfer 421 is provided on one side of the bobbin ring 42 so that the teeth on the wire teeth 32 and the bobbin ring chamfer 421 first contact during the wire takeup process, because the line shell 42 material has certain elasticity, can make line shell ring 42 directly cross the tooth on the line tooth, prevent to block when the speed of taking up the line shell of line wheel 5 is faster than the line shell speed of line tooth 32.

And (3) paying off: starting the motor 6, rotating the motor 6 reversely, rotating the motor shaft 61 reversely, rotating the second gear 73, the face teeth 54 and the second helical teeth 37 on the motor shaft 61 reversely, wherein the second gear 73 is engaged with the first gear 71 fixed on the housing 1 by the fixed column 74, the convex block on the first gear 71 is matched with the concave groove of the sliding block 72, the sliding block 72 makes the sliding block 72 move up and down on the first gear 71 under the action of the limit column 75, the sliding block 72 is fixed at one end of the lifting rod 51, the lifting rod 51 moves up and down, the other end of the lifting rod 51 is rotatably fixed at the top of the reel 5, the reel 5 moves up and down, at the same time, the face teeth 54 are reversed to drive the toothed rod 53 to be reversed, the toothed rod edge 531 on the toothed rod 53 is matched with the positioning groove 532 on the reel 5, the toothed rod 53 drives the reel 5 to be reversed, so that the reel 5 moves up, the first helical teeth are fixed on the bobbin 31, the bobbin 31 is fixed with the line teeth 32, the line teeth 32 rotate reversely, one end of the line shell 4 is fixed on the line wheel 5, the line shell 4 passes through the line shell hole 21 and the line cover hole 33, the line shell 4 is loosened in the line cavity under the driving of the reverse rotation of the line wheel 5, the line shell ring 42 on the surface of the line shell 4 is matched with the line teeth 32, and the line teeth 32 drive the line shell 4 to be released.

In the invention, related electric connection modes such as the motor and the wire layout are the prior art, the switching mode is also a conventional mode, and parts needing power consumption such as the motor are connected into a national power grid through wires.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take-up that acoustic emission detected, includes casing (1), line chamber (2), line wheel (5) in the line chamber, line shell (4) on the line wheel, drive division in the casing and line mouth portion (3) above the casing, casing (1) outside surface is equipped with switch (101) and connector lug (102), its characterized in that: the driving part comprises a line opening part (3), a motor (6), a motor shaft (61), a line wheel (5) and a lifting transmission part (7), the motor (6) is fixed inside the shell (1), the motor shaft (61) is fixedly connected on the motor (6), the motor shaft (61) is connected with the lifting transmission part (7), the line wheel (5) and the line opening part (3), the line opening part (3) comprises a line shaft (31), a line tooth (32), a line opening cover (33), a line cover hole (34), a line shaft column (35), a first helical tooth (36) and a second helical tooth (37), the second helical tooth (37) is fixed at the end part of the motor shaft (61) far away from the motor, the line shaft column (35) is fixed on the upper end surface of the shell (1), the line shaft (31) is rotatably fixed in the line shaft column (35), the first helical tooth (36) is fixed at the end of the line shaft (31) in the shell, a thread tooth (32) is fixed at the end of a thread spool (31) positioned outside the shell, and the thread tooth (32) is surrounded by the thread mask (33); two line cover holes (34) are formed in the line cover (33) on the same straight line passing through the axis, a line cavity hole (21) is formed in the line cavity (2), and a line shell (4) on the line wheel is wound and unwound through the line cavity hole (21) and the two line cover holes (34);

the lifting transmission part (7) is positioned inside the shell (1), the lifting transmission part (7) comprises a first gear (71), a sliding block (72), a second gear (73), a fixed column (74) and a limiting column (75), the second gear (73) is fixedly connected to the motor shaft (61) in the normal direction and is close to the end of the motor (6), the fixed column (74) is fixed on the shell (1), the first gear (71) is rotatably fixed on the fixed column (74), the first gear (71) and the second gear (73) are meshed and are positioned on the same plane, a convex block is arranged on one side plane of the first gear (71), a groove is formed in one side of the sliding block (72), one side, with the groove, of the sliding block (72) is attached to one side plane, far away from the fixed column (74), of the limiting column (75) is vertically fixed inside the shell (1), one end of the sliding block (72) is fixed on the limiting column (75) and can slide up and down, and the sliding block (72) is connected with the driving wire wheel (5) to move up and down;

the motor shaft (61) is fixed with face tooth (54) and is located one side of second gear (73), slider (72) are fixed with lifter (51), lifter (51) one end is fixed at slider (72), the other end is rotatable to be fixed at line wheel (5) top, lifter (51) outer lane is equipped with concentric ratch (53), be equipped with counter bore (52) in line wheel (5), be equipped with counter bore groove (521) in counter bore (52), ratch (53) are fixed in on casing (1), ratch (53) outer lane is equipped with ratch arris (531), ratch arris (531) cooperation counter bore groove (521), ratch (53) can slide from top to bottom in counter bore (52).

2. An acoustic emission testing take-up as claimed in claim 1, wherein: the line shell (4) comprises a line shell cavity (41) and a line shell ring (42), the line shell ring (42) is matched with the line teeth (32), and a line shell ring chamfer (421) is arranged on one side of the line shell ring (42).

3. An acoustic emission testing take-up as claimed in claim 1, wherein: the gear rod (53) is provided with a positioning groove (532), and the gear rod (53) is rotatably fixed on the shell (1) by the positioning groove (532).