CN219348730U

CN219348730U - Pressure equipment surface magnetic leakage crack detector

Info

Publication number: CN219348730U
Application number: CN202320442233.1U
Authority: CN
Inventors: 许梦婕; 裴建平; 孙卫平; 朱德明; 张斌
Original assignee: Jiangsu Hengda Zhitong Testing Technology Co ltd
Current assignee: Jiangsu Hengda Zhitong Testing Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-14
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a surface magnetic flux leakage crack detector of pressure equipment, which comprises a detection device connecting plate, wherein driving wheel devices are arranged on a first support column, lifting devices are arranged on two sides of the upper end of the detection device connecting plate, two ends of a detection device main body are arranged in limit grooves formed in the inner sides of the first support column and a second support column through clamping devices to be in sliding connection, a detection device is arranged in the middle position of the top end of the detection device connecting plate, and electromagnets are arranged on two sides of the lower end of the detection device main body. The utility model utilizes the electromagnet to carry out local magnetization on the surface of the pressure-bearing equipment, thereby detecting the surface of the pressure-bearing equipment through the detection probe, detecting the crack through the magnetic fluctuation of the intact surface and the magnetic fluctuation of the crack, further transmitting data to the singlechip through the data acquisition device, and transmitting the data obtained by the singlechip to the display terminal through the signal transmission device.

Description

Pressure equipment surface magnetic leakage crack detector

Technical Field

The utility model relates to the technical field of magnetic leakage crack detectors, in particular to a magnetic leakage crack detector for the surface of pressure equipment.

Background

The defects such as cracks are often generated in the production and the use of steel materials, the detection of the defects is of great significance for guaranteeing the reliable operation of equipment and personal safety, the loss caused by the defects such as cracks, inclusions and the like of the materials is remarkable, particularly the detection of the steel on the surface of the pressure-bearing equipment is also of great significance, and if the cracks exist on the surface of the pressure-bearing equipment in the use process and serious accidents are easily caused, the detection equipment is needed to detect the surface of the pressure-bearing equipment.

Disclosure of Invention

The utility model aims to provide a magnetic flux leakage crack detector for the surface of pressure equipment, which is used for solving the problems that the detection of steel on the surface of the pressure equipment is also important in the background technology, and if cracks exist on the surface of the pressure equipment in the use process and serious accidents are easy to cause, the detection equipment is needed for detecting the surface of the pressure equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure equipment surface magnetic leakage crack detector, includes the detection device connecting plate, first support column and second support column are installed respectively to the both ends of detection device connecting plate, install drive wheel device on the first support column, elevating gear is installed to the upper end both sides of detection device connecting plate, elevating gear's lower extreme is connected with the detection device main part, the both ends of detection device main part are arranged in the spacing inslot of first support column and the inboard seting up of second support column through clamping device and are carried out sliding connection, detection device is installed to the top intermediate position department of detection device connecting plate, the electro-magnet is installed to the lower extreme both sides of detection device main part.

Preferably, the driving wheel device comprises a driving motor arranged at the top end of the first supporting column, a first rotating gear is arranged at one end of the driving motor, the first rotating gear is connected with a second rotating gear through a chain, the second rotating gear penetrates through a wheel connecting plate through a bearing to be connected with a rotating wheel, and the upper end of the wheel connecting plate is connected with the lower end of the first supporting column.

Preferably, the lower end of the second support column is connected with a second rotating wheel through a second wheel connecting plate.

Preferably, the lifting device comprises a rotating motor arranged at the upper end of the connecting plate of the detection device, the rotating motor penetrates through the connecting plate of the detection device through a rotating shaft to be connected with a threaded rotating column, and the threaded rotating column is arranged in a cylindrical threaded cylinder.

Preferably, the clamping device comprises U-shaped blocks arranged on two sides of the detection device main body, a sliding rod is connected in the U-shaped blocks through fixing screws, and a sliding disc is connected to the other end of the sliding rod.

Preferably, the detection device comprises a singlechip installed at the top end of a detection device connecting plate, a signal transmitter is installed at the top end of the singlechip, the lower end of the singlechip is connected with a data acquisition device installed at the top end of a detection device main body through the top end of an electrical penetration detection device connecting plate, and the data acquisition device is connected with a detection probe through the electrical penetration detection device main body.

Compared with the prior art, the utility model has the beneficial effects that: the magnetic leakage crack detector for the surface of the pressure-bearing equipment utilizes the electromagnet to carry out local magnetization on the surface of the pressure-bearing equipment, so that the surface of the pressure-bearing equipment is detected through the detection probe, the crack is detected through the magnetic fluctuation of the intact surface and the magnetic fluctuation of the crack, the position is determined, the data is transmitted to the singlechip through the data acquisition device, and the data obtained by the singlechip is transmitted to the display terminal through the signal transmitter.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic perspective view of a clamping device according to the present utility model;

FIG. 3 is a schematic diagram of the operation flow structure of the present utility model.

In the figure: 1. the detection device comprises a detection device connecting plate, 2, a first support column, 3, a second support column, 4, a driving motor, 5, a first rotating gear, 6, a chain, 7, a second rotating gear, 8, a wheel connecting plate, 9, a rotating wheel, 10, a second rotating wheel, 11, a rotating motor, 12, a threaded rotating column, 13, a cylindrical threaded cylinder, 14, a detection device main body, 15, a U-shaped block, 16, a sliding rod, 17, a sliding disc, 18, a singlechip, 19, a signal transmitter, 20, a data acquisition unit, 21, a detection probe, 22, an electromagnet, 23, a second wheel connecting plate, 24 and a rotating shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: according to the magnetic flux leakage crack detector for the surface of pressure equipment, shown in fig. 1, the magnetic flux leakage crack detector comprises a detection device connecting plate 1, a first support column 2 and a second support column 3 are respectively installed at two ends of the detection device connecting plate 1, a driving wheel device is installed on the first support column 2 and comprises a driving motor 4 installed at the top end of the first support column 2, a first rotating gear 5 is installed at one end of the driving motor 4, the first rotating gear 5 is connected with a second rotating gear 7 through a chain 6, the second rotating gear 7 penetrates through a wheel connecting plate 8 through a bearing to be connected with a rotating wheel 9, and the upper end of the wheel connecting plate 8 is connected with the lower end of the first support column 2.

Specifically, the lower end of the second support column 3 is connected to the second rotating wheel 10 through a second wheel connection plate 23.

When the magnetic leakage crack detector is used, the first rotating gear 5 is driven to rotate through the driving motor 4, the chain 6 is driven to rotate through the first rotating gear 5, the chain 6 drives the second rotating gear 7 to rotate, the second rotating gear 7 drives the rotating wheel 9 to rotate, and therefore the magnetic leakage crack detector walks.

According to the embodiment shown in fig. 1, the lifting device is installed at both sides of the upper end of the detection device connection plate 1, the lifting device comprises a rotating motor 11 installed at the upper end of the detection device connection plate 1, the rotating motor 11 penetrates through the detection device connection plate 1 through a rotating shaft 24 to be connected with a threaded rotating column 12, the threaded rotating column 12 is arranged in a cylindrical threaded cylinder 13, and the lower end of the lifting device is connected with a detection device main body 14.

When in use, the screw rotary column 12 is driven to rotate in the cylindrical screw cylinder 13 through the rotary motor 11 and the rotary shaft 24, so that the detection device main body 14 is lifted up and down.

According to the embodiment shown in fig. 1 and 2, two ends of the main body 14 of the detection device are placed in limit grooves formed in the inner sides of the first support column 2 and the second support column 3 through clamping devices, the clamping devices comprise U-shaped blocks 15 installed on two sides of the main body 14 of the detection device, sliding rods 16 are connected in the U-shaped blocks 15 through fixing screws, and sliding discs 17 are connected to the other ends of the sliding rods 16.

When the detection device is used, the detection device main body 14 is clamped and fixed with the sliding rods 16 through the U-shaped blocks 15 on two sides, so that the detection device main body 14 can be disassembled, the lifting device drives the detection device main body 14 to lift, and the detection device main body 14 drives the sliding disc 17 connected with the sliding rods 16 to be placed in the limiting grooves formed in the inner sides of the first supporting columns 2 and the second supporting columns 3 to slide up and down.

According to the embodiment shown in fig. 1 and 3, a detecting device is installed at the middle position of the top end of the detecting device connecting plate 1, electromagnets 22 are installed on two sides of the lower end of the detecting device main body 14, the detecting device comprises a single chip microcomputer 18 installed at the top end of the detecting device connecting plate 1, a signal transmitter 19 is installed at the top end of the single chip microcomputer 18, the lower end of the single chip microcomputer 18 is connected with a data collector 20 installed at the top end of the detecting device main body 14 by electrically penetrating through the top end of the detecting device connecting plate 1, and the data collector 20 is connected with a detecting probe 21 by electrically penetrating through the detecting device main body 14.

When the pressure-bearing device is used, firstly, the surface of the pressure-bearing device is locally magnetized through the electromagnet 22, then the surface of the pressure-bearing device is detected through the detection probe 21, so that the crack is detected through magnetic fluctuation of the finished surface and magnetic fluctuation of the crack, then the detection probe 21 transmits data into the data collector 20 through electricity, further the collected data is transmitted into the singlechip 18 through the data collector 20 to be analyzed through electricity, and finally, the acquired data is transmitted to a display terminal through the signal transmitter 19 at the top end of the singlechip 18 to be checked by a worker, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a pressure equipment surface magnetic leakage crack detector, includes detection device connecting plate (1), its characterized in that: the detection device is characterized in that a first support column (2) and a second support column (3) are respectively arranged at two ends of the detection device connecting plate (1), driving wheel devices are arranged on the first support column (2), lifting devices are arranged on two sides of the upper end of the detection device connecting plate (1), the lower ends of the lifting devices are connected with the detection device main body (14), two ends of the detection device main body (14) are arranged in limiting grooves formed in the inner sides of the first support column (2) and the second support column (3) through clamping devices to be in sliding connection, detection devices are arranged at the middle positions of the top ends of the detection device connecting plate (1), and electromagnets (22) are arranged on two sides of the lower end of the detection device main body (14).

2. A pressure equipment surface magnetic leakage crack detector according to claim 1, wherein: the driving wheel device comprises a driving motor (4) arranged at the top end of a first supporting column (2), a first rotating gear (5) is arranged at one end of the driving motor (4), the first rotating gear (5) is connected with a second rotating gear (7) through a chain (6), the second rotating gear (7) penetrates through a wheel connecting plate (8) through a bearing to be connected with a rotating wheel (9), and the upper end of the wheel connecting plate (8) is connected with the lower end of the first supporting column (2).

3. A pressure equipment surface magnetic leakage crack detector according to claim 1, wherein: the lower end of the second support column (3) is connected with a second rotating wheel (10) through a second wheel connecting plate (23).

4. A pressure equipment surface magnetic leakage crack detector according to claim 1, wherein: the lifting device comprises a rotating motor (11) arranged at the upper end of a connecting plate (1) of the detection device, the rotating motor (11) penetrates through the connecting plate (1) of the detection device through a rotating shaft (24) to be connected with a threaded rotating column (12), and the threaded rotating column (12) is arranged in a cylindrical threaded cylinder (13).

5. A pressure equipment surface magnetic leakage crack detector according to claim 1, wherein: the clamping device comprises U-shaped blocks (15) arranged on two sides of the detection device main body (14), sliding rods (16) are connected in the U-shaped blocks (15) through fixing screws, and sliding discs (17) are connected to the other ends of the sliding rods (16).

6. A pressure equipment surface magnetic leakage crack detector according to claim 1, wherein: the detection device comprises a singlechip (18) arranged at the top end of a detection device connecting plate (1), a signal transmitter (19) is arranged at the top end of the singlechip (18), the lower end of the singlechip (18) is connected with a data acquisition device (20) arranged at the top end of a detection device main body (14) by electrically penetrating through the top end of the detection device connecting plate (1), and the data acquisition device (20) is connected with a detection probe (21) by electrically penetrating through the detection device main body (14).