阅读说明：本技术 一种适用于多种管道的管道内漏磁检测装置 (Magnetism leakage detection device in pipeline suitable for multiple pipeline ) 是由 金杭飞 于 2019-10-28 设计创作，主要内容包括：本发明公开了一种适用于多种管道的管道内漏磁检测装置,所述装置主体内设置有漏磁检测直径调节机构和多个动力机构,顺时针转动转动把手,转动把手的转动带动转轴的转动,转轴上设置有转动齿轮一与转动齿轮二,转动齿轮一和转动齿轮二在转轴二的带动下也转动,从而带动与其配合的移动板一、移动板二、移动板三和移动板四向远离中心的一侧移动,此时移动主体一、移动主体二、移动主体三和移动主体四上设置的移动滚珠和漏磁检测器也向远离中心的一侧移动,使得该适用于多种管道的管道内漏磁检测装置的可检测的管道直径增大,可以对更大直径的管道进行漏磁检测,当需要对较小直径的管道进行漏磁检测的时候,反向转动转动把手即可。(The invention discloses a pipeline internal leakage magnetic detection device suitable for various pipelines, wherein a magnetic leakage detection diameter adjusting mechanism and a plurality of power mechanisms are arranged in a main body of the device, a rotating handle is rotated clockwise, the rotating handle rotates to drive a rotating shaft to rotate, a rotating gear I and a rotating gear II are arranged on the rotating shaft, the rotating gear I and the rotating gear II are also rotated under the drive of the rotating shaft II, so that a moving plate I, a moving plate II, a moving plate III and a moving plate which are matched with the rotating handle are driven to move towards one side away from the center, at the moment, moving balls and magnetic leakage detectors arranged on the moving body I, the moving body II, the moving body III and the moving body IV also move towards one side away from the center, the detectable pipeline diameter of the pipeline internal leakage magnetic detection device suitable for various pipelines is increased, and the magnetic leakage detection can be carried out on the pipeline with larger diameter, when the pipeline with a smaller diameter needs to be subjected to magnetic flux leakage detection, the handle is rotated in the reverse direction.)

1. The utility model provides a leak magnetism detection device in pipeline suitable for multiple pipeline, includes device main part (14), its characterized in that, be provided with magnetic leakage in device main part (14) and detect diameter adjustment mechanism and a plurality of power unit, magnetic leakage detects diameter adjustment mechanism including rotating handle (24), it sets up in the middle of device main part (14) outside to rotate handle (24), rotate handle (24) and pivot (25) fixed connection, rotating gear (3) and rotating gear two (27) have set gradually on pivot (25), be provided with on rotating gear (3) round teeth one (31), rotating gear (3) and movable plate one (10) and movable plate two (17) cooperation are connected, be provided with on movable plate one (10) and movable plate two (17) with round teeth one (31) complex straight round teeth one (30) on rotating gear (3), the device is characterized in that a second gear tooth (33) is arranged on the second rotating gear (27), the second rotating gear (27) is in matched connection with a third moving plate (2) and a fourth moving plate (12), a second straight gear tooth (32) matched with the second gear tooth (33) on the second rotating gear (27) is arranged on the third moving plate (2) and the fourth moving plate (12), the first moving plate (10), the second moving plate (17), the third moving plate (2) and the fourth moving plate (12) are respectively and fixedly connected with a first moving body (9), a second moving body (21), a third moving body (1) and a fourth moving body (23), placing grooves (18) corresponding to the first moving body (9), the second moving body (21), the third moving body (1) and the fourth moving body (23) one by one are arranged in the main body (14), and fixing plates (11) are arranged in the placing grooves (18), fixed plate (11) all through elastic component (13) and removal main part (9), removal main part two (21), removal main part three (1) and removal main part four (23) fixed connection, still be provided with a plurality of clamping mechanisms in standing groove (18), the one end of keeping away from the center of removal main part one (9), removal main part two (21), removal main part three (1) and removal main part four (23) all is provided with moving mechanism (4), the end of removal main part one (9), removal main part two (21), removal main part three (1) and removal main part four (23) all is provided with a plurality of magnetic leakage detectors (8), the equipartition has through-hole two (15) on device main part (14).

2. The apparatus for detecting magnetic leakage in pipes applicable to various pipes according to claim 1, wherein the number of the clamping mechanisms is four, and the clamping mechanisms are disposed on two sides of the first moving body (9), the second moving body (21), the third moving body (1), and the fourth moving body (23) in a corresponding manner.

3. The device for detecting magnetic leakage in a pipeline suitable for various pipelines according to claim 2, wherein the clamping mechanism comprises a clamping plate (19), one end of the clamping plate (19) abuts against the first moving body (9), the second moving body (21), the third moving body (1) and the fourth moving body (23), and the other end of the clamping plate (19) is fixedly connected with the placing groove (18) through a second elastic member (20).

4. The device for detecting magnetic leakage in pipelines suitable for various pipelines according to claim 1, wherein the moving mechanism (4) comprises a baffle plate, the baffle plate is fixedly arranged in the first moving body (9), the second moving body (21), the third moving body (1) and the fourth moving body (23), the baffle plate is abutted against the moving ball (7), through holes (6) matched with the moving ball (7) are formed in the first moving body (9), the second moving body (21), the third moving body (1) and the fourth moving body (23), and a smooth sliding piece (5) enabling the moving ball (7) to roll smoothly is further arranged on the baffle plate.

5. The device for detecting magnetic leakage in pipelines suitable for various pipelines according to claim 4, wherein the first elastic member (13) is a spring, the second elastic member (20) is a spring, and the optical slider (5) is tempered glass.

6. The in-duct magnetic leakage detection apparatus applicable to various ducts according to claim 1, wherein the number of the magnetic leakage detectors (8) is two.

7. The device for detecting magnetic leakage in pipelines suitable for various pipelines according to claim 1, wherein the number of the power mechanisms is four, the power mechanisms are uniformly distributed on the device main body (14), and the device main body (14) is provided with mounting grooves (22) which are matched with the power mechanisms one by one.

8. The device for detecting magnetic leakage in pipelines suitable for various pipelines according to claim 7, wherein the power mechanism comprises a rotating motor (29), the rotating motor (29) is fixedly arranged in a mounting groove (22) on the device main body (14), a rotating part of the rotating motor (29) is fixedly connected with a rotating part (28), and the rotating part (28) is composed of a plurality of rotating blades (16).

9. The in-pipe magnetic leakage detection device applicable to various pipes according to claim 8, wherein the number of the rotor blades (16) is six.

10. The device for detecting the magnetic leakage in the pipelines suitable for the various pipelines according to claim 1, wherein the rotating handle (24) is provided with an anti-skid member (26), and the anti-skid member (26) is a rubber sleeve.

Technical Field

The invention relates to the field of electromagnetic detection, in particular to a pipeline internal magnetic leakage detection device suitable for various pipelines.

Background

The pipeline type water heater is mainly used in the fields of power generation, metallurgy, petroleum, chemical industry, natural gas, urban water heating supply, building, military and the like, bears the transportation work of materials required by human life, production construction, industrial development and the like, and occupies an extremely important position in national economy. In the use process, because of the problems of mechanical damage, corrosion, fatigue damage, service life and the like, the defects of obvious or potential corrosion thinning, holes, cracks and the like of the in-service pipeline can be inevitably caused, if the defects are not found and processed in time, the accidents of material leakage are easily caused in the later period, and great loss is brought to the life safety of property and people.

At present, the nondestructive detection of the defects of the pipeline mainly comprises a magnetic leakage method, an ultrasonic method, an eddy current method, an electromagnetic ultrasonic method and the like, the magnetic leakage method is generally used more, but the existing magnetic leakage detection device in the pipeline can only carry out magnetic leakage detection on the pipeline with one diameter, namely the pipeline with a large diameter or the pipeline with a small diameter, so that the detection range is limited, and therefore the magnetic leakage detection device in the pipeline suitable for various pipelines is urgently needed.

Disclosure of Invention

The present invention is directed to a magnetic flux leakage detection device in a duct, which is suitable for various ducts, to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a leak magnetism detection device in pipeline suitable for multiple pipeline, includes the device main part, be provided with magnetic leakage in the device main part and detect diameter adjustment mechanism and a plurality of power unit, magnetic leakage detects diameter adjustment mechanism and includes the rotation handle, the rotation handle sets up in the middle of the device main part outside, rotate handle and pivot fixed connection, rotating gear one and rotating gear two have set gradually in the pivot, rotating gear is last to be provided with the round teeth one, rotating gear one is connected with movable plate one and movable plate two cooperation, be provided with on movable plate one and the movable plate two with the round teeth one complex straight wheel tooth one on the rotating gear one, be provided with round teeth two on the rotating gear two, rotating gear two is connected with movable plate three and movable plate four cooperation, be provided with on movable plate three and the movable plate four with the round teeth two complex straight wheel teeth two on the rotating gear two, the first moving plate, the second moving plate, the third moving plate and the fourth moving plate are respectively and fixedly connected with the first moving body, the second moving body, the third moving body and the fourth moving body, the device main body is internally provided with placing grooves which are in one-to-one correspondence with the first moving body, the second moving body, the third moving body and the fourth moving body, the placing grooves are all internally provided with fixed plates which are fixedly connected with the first moving body, the second moving body, the third moving body and the fourth moving body through first elastic parts, a plurality of clamping mechanisms are arranged in the placing groove, the moving mechanisms are arranged at one ends of the first moving body, the second moving body, the third moving body and the fourth moving body far away from the center, the tail ends of the first moving body, the second moving body, the third moving body and the fourth moving body are provided with a plurality of magnetic flux leakage detectors, and through holes II are uniformly distributed in the main body of the device.

As a further scheme of the invention: the number of the clamping mechanisms is four, and the clamping mechanisms are correspondingly arranged on two sides of the first moving body, the second moving body, the third moving body and the fourth moving body in pairs.

As a still further scheme of the invention: the clamping mechanism comprises a clamping plate, one end of the clamping plate is abutted to the first moving body, the second moving body, the third moving body and the fourth moving body, and the other end of the clamping plate is fixedly connected with the placing groove through the second elastic piece.

As a still further scheme of the invention: the moving mechanism comprises a baffle, the baffle is fixedly arranged in the first moving body, the second moving body, the third moving body and the fourth moving body, the baffle is abutted to the moving balls, first through holes matched with the moving balls are formed in the first moving body, the second moving body, the third moving body and the fourth moving body, and a smooth piece enabling the moving balls to roll smoothly is further arranged on the baffle.

As a still further scheme of the invention: the first elastic piece is a spring, the second elastic piece is a spring, and the optical sliding piece is made of toughened glass.

As a still further scheme of the invention: the number of the leakage magnetic detectors is two.

As a still further scheme of the invention: the number of the power mechanisms is four, the four power mechanisms are uniformly distributed on the device main body, and the device main body is provided with mounting grooves matched with the power mechanisms one by one.

As a still further scheme of the invention: the power mechanism comprises a rotating motor, the rotating motor is fixedly arranged in a mounting groove in the device main body, a rotating part of the rotating motor is fixedly connected with a rotating part, and the rotating part is composed of a plurality of rotating blades.

As a still further scheme of the invention: the rotating handle is provided with an anti-skid piece which is a rubber sleeve.

As a still further scheme of the invention:

compared with the prior art, the invention has the beneficial effects that: the magnetic leakage detection device comprises a device main body, wherein a magnetic leakage detection diameter adjusting mechanism and a plurality of power mechanisms are arranged in the device main body, a rotating handle is rotated clockwise, the rotating handle rotates to drive a rotating shaft to rotate, a rotating gear I and a rotating gear II are arranged on the rotating shaft, the rotating gear I and the rotating gear II are driven by the rotating shaft II to rotate, so that a moving plate I, a moving plate II, a moving plate III and a moving plate which are matched with the rotating handle are driven to move towards one side away from the center in four directions, and then the moving body I, the moving body II, the moving body III and the moving body are driven to move towards one side away from the center in four directions, at the moment, moving balls and magnetic leakage detectors arranged on the moving body I, the moving body II, the moving body III and the moving body IV also move towards one side away from the center, so that the detectable pipeline diameter of the magnetic leakage detection device in pipelines suitable, when the pipeline of needs to less diameter carries out the magnetic leakage and detects, the rotation of rotation motor, drive the rotation of rotating the piece, and the corotation of rotating the motor drives this leak magnetism detection device forward motion in the pipeline that is applicable to multiple pipeline, and the reversal of motor drives this leak magnetism detection device rearward motion in the pipeline that is applicable to multiple pipeline.

Drawings

Fig. 1 is a schematic structural view of an in-pipe magnetic flux leakage detection apparatus suitable for various pipes.

Fig. 2 is a front sectional view of the in-pipe magnetic leakage detection device suitable for various pipes.

Fig. 3 is a schematic side view of an in-pipe magnetic leakage detection apparatus suitable for use with a variety of pipes.

Fig. 4 is a schematic view showing the connection of the rotating shaft and the rotating handle in the magnetic leakage detection device in a pipeline suitable for various pipelines.

Fig. 5 is an enlarged schematic view of the structure of the moving mechanism in the magnetic leakage detecting device in a pipe suitable for various pipes.

Fig. 6 is a schematic view showing the connection of a rotary motor and a rotary member in the magnetic leakage detecting apparatus in a pipeline suitable for various pipelines.

Fig. 7 is a schematic view showing the connection of the first moving plate, the second moving plate and the first rotating gear in the magnetic leakage detection device in a pipeline suitable for various pipelines.

Fig. 8 is a schematic view showing the connection of the third moving plate, the fourth moving plate and the second rotating gear in the magnetic leakage detection device in a pipeline suitable for various pipelines.

In the figure: 1-a third moving body, 2-a third moving plate, 3-a first rotating gear, 4-a moving mechanism, 5-a light slider, 6-a first through hole, 7-a moving ball, 8-a magnetic leakage detector, 9-a first moving body, 10-a first moving plate, 11-a fixed plate, 12-a fourth moving plate, 13-a first elastic member, 14-a device body, 15-a second through hole, 16-a rotating blade, 17-a second moving plate, 18-a placing groove, 19-a clamping plate, 20-a second elastic member, 21-a second moving body, 22-a mounting groove, 23-a fourth moving body, 24-a rotating handle, 25-a rotating shaft, 26-an anti-slip member, 27-a second rotating gear, 28-a rotating member, 29-a rotating motor, 30-straight gear teeth I, 31-round gear teeth I, 32-straight gear teeth II and 33-round gear teeth II.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to specific embodiments.