KR20170095510A - X-ray tube lift type industrial non-destructive testing apparatus - Google Patents

X-ray tube lift type industrial non-destructive testing apparatus Download PDF

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Publication number
KR20170095510A
KR20170095510A KR1020160016977A KR20160016977A KR20170095510A KR 20170095510 A KR20170095510 A KR 20170095510A KR 1020160016977 A KR1020160016977 A KR 1020160016977A KR 20160016977 A KR20160016977 A KR 20160016977A KR 20170095510 A KR20170095510 A KR 20170095510A
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KR
South Korea
Prior art keywords
ray tube
block
ring
mobile carrier
rack
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KR1020160016977A
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Korean (ko)
Inventor
허덕재
고동신
이현주
정석환
Original Assignee
고등기술연구원연구조합
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Priority to KR1020160016977A priority Critical patent/KR20170095510A/en
Publication of KR20170095510A publication Critical patent/KR20170095510A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/20008—Constructional details of analysers, e.g. characterised by X-ray source, detector or optical system; Accessories therefor; Preparing specimens therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The present invention relates to an X-ray tube vertical lift of a mobile carrier. In a non-destructive test for testing an industrial equipment, an object to be tested is not moved and an X-ray tube is inevitably required to be manipulated for the test as the industrial equipment is a heavy weight and has a large volume. The mobile carrier to carry the X-ray tube is composed of two stages for a vertical lifting structure, and adopts a rack, pinion, and electric driving method. As such, the X-ray tube is able to precisely and highly be controlled suitable to measure an environment of a highly weighted 450 kV X-ray tube mounted on the mobile carrier and the object to be tested. In addition, by improving an X-ray photographing environment of the non-destructive test, the quality of the non-destructive test is able to be improved.

Description

X-RAY TUBE LIFT TYPE INDUSTRIAL NON-DESTRUCTIVE TESTING APPARATUS [0002]

The present invention relates to a vertical lift of an X-ray tube of a mobile carrier, and more particularly to a vertical lifting structure of a mobile carrier for carrying an X-ray tube, which comprises two stages, and adopts a rack, a pinion, The present invention relates to an X-ray tube up-and-down lifting type industrial nondestructive inspection apparatus capable of performing altitude control of an X-ray tube and precise nondestructive inspection suitable for a measurement environment of a heavy X-

In general, non-destructive inspection methods are widely used for close inspection of large steel and non-steel containers containing industrial piping or various raw materials and gases.

In the conventional nondestructive inspection method, a non-destructive testing sensor is attached to an object to be inspected, as in the case of the welded portion, and then the nondestructive inspection is performed by banding the object with a band (see FIG. 1) , And a fixed mount system is used in which an X-ray tube is fixed and the position and angle of an object to be inspected are adjusted / photographed (see FIG. 2).

3 is a view showing an X-ray tube vertical lift of a conventional nondestructive inspection apparatus.

Referring to FIG. 3, conventionally, a method in which the both ends of a chain having a specific length are fixed to an X-ray tube supporting portion and a frame, and a hydraulic cylinder is vertically moved therebetween to vertically move the X-ray tube along the piston / Is used.

However, the conventional method has many problems such as difficulty of precise height control, lowering of the x-ray tube due to loss of hydraulic pressure, maintenance of the chain, and so on.

Korean Patent No. 10-2003-0018166

In order to solve the above-described problems, the present invention is characterized in that a mobile carrier for carrying a high-weight x-ray tube is constituted by two stages of vertical lifting structure, and a rack, a pinion and an electric drive system are adopted, Ray tube-type industrial nondestructive inspection device that can perform high-precision control of X-ray tube and precise nondestructive inspection suitable for the measurement environment and object to be inspected, It has its purpose.

To achieve the above object, the present invention provides an X-ray tube type industrial nondestructive inspection apparatus comprising: a mobile carrier movably installed; And an x-ray tube for inspecting the object to be inspected,

The mobile carrier includes a base frame on which a wheel is installed at a lower portion and a power supply device and a cooling device are installed at an upper portion; An LM block vertically installed on one side of the base frame; An ascending / descending block installed in the LM block so as to be vertically movable; A first rack installed inside the LM block to move up and down the ascending / descending block; A first driving motor fixedly installed on the ascending / descending block; A first pinion gear installed in the first drive motor to engage with the first rack; A mounting bracket installed on the ascending / descending block so as to be able to ascend and descend, for mounting the x-ray tube; A second rack installed inside the ascending / descending block for moving up and down the mounting bracket; A second driving motor fixedly mounted on the mounting bracket; And a second pinion gear installed in the second drive motor to engage with the second rack.

The base frame is provided with a stopper rotatably about a hinge portion, and the stopper is bent downward when necessary around the hinge portion to fix the position of the mobile carrier.

An x-ray tube vertical type industrial nondestructive inspection apparatus of the present invention comprises: an x-ray tube fixing ring fixed to the outer peripheral surfaces of both ends of the x-ray tube; A ring-shaped holder bracket detachably coupled to the mounting bracket and installed to be capable of rolling with the X-ray tube retaining ring; A tilting drive unit fixed to one side of the mounting bracket; A worm gear rotatably installed in the tilting drive unit; And a ring gear fixed to outer circumferential surfaces of both ends of the X-ray tube and having a gear portion formed on an outer circumferential surface to be engaged with the worm gear.

The X-ray tube holding ring may have a groove formed on an outer circumferential surface of the X-ray tube holding ring so that the ring-shaped holder bracket can be inserted into the guide ring, and guide rails may be formed on both sides of the groove.

A first bearing may be provided on a bottom surface of the groove portion, and a second bearing may be provided on a side surface of the ring-shaped holder bracket.

The tilting drive unit includes a gear box connected to the worm gear; And a servo motor connected to the gear box.

As described above, the present invention has solved the problem caused by the hydraulic pressure loss of the cylinder, which is a disadvantage of the vertical lift of the x-ray tube of the mobile carrier of the conventional industrial nondestructive inspection apparatus. Due to the characteristics of industrial equipments, Therefore, it is necessary to operate the X-ray tube instead of moving the object to be inspected. Therefore, the vertical lifting structure of the mobile carrier for carrying the X-ray tube is configured in two stages, and by adopting the rack and pinion and the electric drive system, It is possible to precisely control the altitude of the x-ray tube in accordance with the measurement environment of the high-weight 450kV x-ray tube mounted on the test object, and improve the x-ray photographing environment of the nondestructive test to improve the performance of the nondestructive test.

1 is a view showing a conventional band fixing method;
2 is a view showing a conventional fixed mount system;
3 is a view showing an X-ray tube vertical lift of a conventional nondestructive inspection apparatus
4 is a perspective view showing an X-ray tube vertical lift type industrial nondestructive inspection apparatus according to the present invention.
Figure 5 is a perspective view of a mobile carrier of the present invention;
Figure 6 is a side view of the mobile carrier of the present invention
7 is a view for explaining the up-and-down lift of the ascending / descending block
8 is a view for explaining the up-and-down lift of the mounting bracket;
9 is an exploded perspective view showing an angle-adjustable x-ray tube according to another example of the present invention.
10 is an exploded perspective view showing an angle-adjustable x-ray tube according to another example of the present invention.

Hereinafter, the X-ray tube vertical lift type industrial nondestructive inspection apparatus of the present invention will be described in detail with reference to the accompanying drawings.

5 is a perspective view showing a mobile carrier of the present invention, FIG. 6 is a side view showing a mobile carrier of the present invention, and FIG. 7 is a cross- Fig. 8 is a view for explaining the up-and-down lift of the mounting bracket; Fig.

Referring to the drawings, the X-ray tube vertical lift type industrial nondestructive inspection apparatus of the present invention includes a mobile carrier 100 movably installed and an X-ray tube 200 for inspecting an object to be inspected (not shown). Here, the object to be inspected is the industrial equipment to be inspected, and includes a large iron and non-iron container containing industrial piping or various raw materials and gas.

For reference, an X-ray is an electromagnetic wave having a short wavelength generated when a high-speed electron flow is collided with a material. The X-ray is small in atom size and forms a diffraction pattern unique to each crystal. The transmittance varies depending on the density and the atom. The x-ray tube 200 is used in the non-destructive testing equipment of the general industry using this principle.

The mobile carrier 100 of the present invention moves the X-ray tube 200 to a position where the object to be inspected exists and lifts it up and down.

The mobile carrier 100 includes a base frame 110, an LM block 120, an ascending / descending block 130, a first rack 140, a first driving motor M1, a first pinion gear 150, A first rack 160, a second rack 170, a second drive motor M2, and a second pinion gear 180.

The structure of the mobile carrier 100 will be described in more detail as follows.

First, the base frame 110 is provided with four wheels 111 at appropriate positions on the lower portion thereof, and a power supply device 112 and a cooling device 113 may be installed on the upper portion.

The x-ray tube 200 is of a heavy weight of about 450 kV and correspondingly a high voltage power supply 112 and a cooling device 113 for cooling the heat due to the use of a high voltage can be mounted on the base frame 110 have.

The base frame 110 is preferably made of a material such as steel or the like so as to sufficiently withstand the high loads of the power supply equipment 112 and the cooling equipment 113. The power supply equipment 112, A space is provided for mounting the light emitting device 113.

A stopper 115 is rotatably mounted on the base frame 110 around a hinge portion 114. The stopper 115 may be folded downward when necessary on the hinge portion 114 to fix the position of the mobile carrier 100 and may be vertically lifted when not in use. The hinge portion 114 can be formed in a " C "shape, and has a hinge shaft (not shown).

The LM block 120 is vertically installed on one side of the base frame 110. The LM block 120 may have a substantially "C"

The upper end of the LM block 120 is positioned higher than the upper end of the base frame 110 so as not to interfere with the X-ray imaging.

The lifting block 130 is vertically movably installed in the LM block 120. The lifting block 130 is provided with a mounting bracket 160 movable up and down.

The first rack 140 is vertically installed in the LM block 120 to move the lifting block 130 up and down.

The first driving motor M1 is fixed to the lower part of the ascending / descending block 130. [ Although not shown in the drawing, the first driving motor M1 may be fixedly installed at a lower portion of the lifting block 130 by bolts or the like.

The first pinion gear 150 is installed in the first drive motor M1 so as to engage with the first rack 140.

The first rack 140 may be changed to one row, two rows, or more, depending on design conditions, and correspondingly, the first pinion gear 150 may also be changed to one, two, or more have.

The mounting bracket 160 is installed on the ascending / descending block 130 so as to be vertically movable, and the x-ray tube 200 can be detachably coupled. The mounting bracket 160 may be formed in an "H" shape or an "I" shape or a lattice shape so as to increase the strength while reducing the load.

The projection 161 of the mounting bracket 160 can be engaged with the x-ray tube holder 210 in order to detachably connect the x-ray tube 200.

The second rack 170 is vertically installed in the lifting block 130 to move the mounting bracket 160 up and down.

The second driving motor M2 is fixed to the lower portion of the mounting bracket 160. [ Although not shown in the drawings, the second driving motor M2 may be fixedly mounted to a lower portion of the mounting bracket 160 by bolts or the like.

The second pinion gear 180 is installed in the second drive motor M2 so as to engage with the second rack 170. [

Although not shown in the drawing, a safety accident can be caused when the up / down block 130 is abruptly lowered in a state of being raised. In order to prevent such a safety accident, a safety lever may be installed on the side of the LM block 120, and the safety lever may be configured to be operated by a sensor for sensing the rapid descent of the ascending / descending block 130.

That is, when a rapid descent of the ascending / descending block 130 occurs due to a mechanical failure, when the sensor senses a rapid descent of the ascending / descending block 130 to operate the safety lever, the safety lever advances, Can be effectively prevented.

In the nondestructive inspection apparatus for an X-ray tube vertical lift type according to the present invention configured as described above, the mobile carrier 100 moves the X-ray tube 200 to a position where the object to be inspected exists and lifts it up and down.

The lift process of the mobile carrier 100 will be described below.

Since the first drive motor M1 rotates the first pinion gear 150 and the first pinion gear 150 is engaged with the first rack 140, the ascending / descending block 130 is lifted upward. The second driving motor M2 rotates the second pinion gear 180 and the second pinion gear 180 is engaged with the second rack 170 so that the mounting bracket 160 is lifted upwards The height (altitude) of the x-ray tube 200 can be adjusted.

FIG. 9 is an assembled perspective view showing an angle-adjustable X-ray tube according to another example of the present invention, and FIG. 10 is an exploded perspective view showing an angle-adjustable X-ray tube according to another example of the present invention.

Referring to the above drawings, the X-ray tube 300 according to another example of the present invention is characterized in that the angle is adjusted.

Another example of the present invention provides an x-ray tube 300 whose angle is adjusted to improve the shooting environment of the industrial x-ray nondestructive testing equipment.

It is important to adjust the angle between the object to be examined and the x-ray tube according to the purpose of inspection and the test environment when X-ray is taken for nondestructive inspection. In order to inspect fixed industrial equipment, operation of x-ray tube is inevitable, and the existing fixed / manual tube mount is improved by tilting method using electric motor to enable precise operation.

Hereinafter, the x-ray tube 300 whose angle is adjusted will be described in more detail.

First, an x-ray tube fixing ring 410 is fixed to the outer peripheral surfaces of both ends of the x-ray tube 300.

And an X-ray tube holding ring 410 and a ring-shaped holder bracket 420 are provided so as to be capable of rolling. The ring-shaped holder bracket 420 detachably engages with the protrusion 161 of the mounting bracket 160.

A tilting drive unit 430 is installed on one side of the ring-shaped holder bracket 420. The tilting drive unit 430 includes a gear box 432 connected to the worm gear 431, a servo 432 connected to the gear box 432, A motor 433, and a wireless communication unit 434 for remotely controlling the servo motor 433.

The ring gear 440 is fixed to the outer circumferential surfaces of both ends of the x-ray tube 300. The ring gear 440 is fixed to the outer circumferential surface of the gear portion 441 so as to be meshed with the worm gear 431, .

A groove portion 411 is formed in the outer peripheral surface of the X-ray tube retaining ring 410 to receive the ring-shaped holder bracket 420. A guide rail 412 is formed on both sides of the groove portion 411, The first bearing B1 is provided on the bottom surface of the holder 411 and the second bearing B2 is provided on the side surface of the ring type holder bracket 420 so that the X- ) Rolling motion is smoothly performed.

As described above, the present invention has solved the problem caused by the hydraulic pressure loss of the cylinder, which is a disadvantage of the vertical lift of the x-ray tube of the mobile carrier of the conventional industrial nondestructive inspection apparatus, and the nondestructive inspection for inspection of industrial equipment is heavy Because of the characteristics of bulky industrial equipment, it is necessary to operate the X-ray tube instead of moving the object to be inspected. Therefore, the vertical lifting structure of the mobile carrier that carries the X-ray tube is composed of two stages, and the rack, pinion, By adopting this method, it is possible to precisely control the height of the x-ray tube to suit the measurement environment of the 450 kV class x-ray tube mounted on the mobile carrier and the object to be inspected and improve the quality of nondestructive examination by improving the x- .

100: Mobile carrier
110: base frame
111: Wheels
112: Power equipment
113: Cooling equipment
114:
115: Stopper
120: LM block
130: ascending / descending block
140: First rack
150: first pinion gear
160: Mounting bracket
161: projection
170: Second rack
180: second pinion gear
200: X-ray tube
210: X-ray tube holder
300: X-ray tube
410: X-ray tube retaining ring
411:
412: Guide rail
420: ring holder bracket
430: tilting drive unit
431: Worm Gears
432: Gearbox
433: Servo motor
434:
440: ring gear
441:
B1: First bearing
B2: Second bearing
M1: first drive motor
M2: second drive motor

Claims (6)

A mobile carrier movably installed; And
Ray tube for inspecting an object to be inspected,
The mobile carrier
A base frame to which a wheel is installed at a lower portion and a power supply equipment and a cooling equipment are installed at an upper portion;
An LM block vertically installed on one side of the base frame;
An ascending / descending block installed in the LM block so as to be vertically movable;
A first rack installed inside the LM block to move up and down the ascending / descending block;
A first driving motor fixedly installed on the ascending / descending block;
A first pinion gear installed in the first drive motor to engage with the first rack;
A mounting bracket installed on the ascending / descending block so as to be able to ascend and descend, for mounting the x-ray tube;
A second rack installed inside the ascending / descending block for moving up and down the mounting bracket;
A second driving motor fixedly installed on a lower portion of the mounting bracket; And
And a second pinion gear installed in the second drive motor to engage with the second rack. The method according to claim 1,
Wherein the base frame is provided with a stopper rotatably about a hinge portion and the stopper is bent downward when necessary around the hinge portion so as to fix the position of the mobile carrier. Device. The method according to claim 1,
An X-ray tube holding ring fixed to the outer peripheral surfaces of both ends of the X-ray tube;
A ring-shaped holder bracket detachably coupled to the mounting bracket and installed to be able to roll with the X-ray tube retaining ring;
A tilting drive unit fixed to one side of the mounting bracket;
A worm gear rotatably installed in the tilting drive unit; And
And a ring gear fixed to outer circumferential surfaces of both ends of the X-ray tube and having a gear part formed on an outer circumferential surface to be engaged with the worm gear. The method of claim 3,
Ray tube angle adjusting type industrial nondestructive inspection apparatus characterized in that a groove portion for inserting and coupling the ring-shaped holder bracket is formed on an outer peripheral surface of the X-ray tube holding ring, and guide rails are formed on both sides of the groove portion. The method of claim 3,
Wherein a first bearing is provided on a bottom surface of the groove portion, and a second bearing is provided on a side surface of the ring-shaped holder bracket. The method of claim 3,
The tilting drive unit
A gear box connected to the worm gear; And
And a servo motor connected to the gear box.
KR1020160016977A 2016-02-15 2016-02-15 X-ray tube lift type industrial non-destructive testing apparatus KR20170095510A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
KR1020160016977A KR20170095510A (en) 2016-02-15 2016-02-15 X-ray tube lift type industrial non-destructive testing apparatus

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117030761A (en) * 2023-08-11 2023-11-10 深圳市中昌检测技术有限公司 Gantry type X-ray nondestructive testing device for tank body
KR102611549B1 (en) * 2023-06-15 2023-12-08 고려공업검사 주식회사 Transfer device for turbine rotor blade non-destructive testing device using magnetic particle detection method
KR102611548B1 (en) * 2023-06-15 2023-12-08 고려공업검사 주식회사 Turbine rotor blade non-destructive testing device using magnetic particle detection method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102611549B1 (en) * 2023-06-15 2023-12-08 고려공업검사 주식회사 Transfer device for turbine rotor blade non-destructive testing device using magnetic particle detection method
KR102611548B1 (en) * 2023-06-15 2023-12-08 고려공업검사 주식회사 Turbine rotor blade non-destructive testing device using magnetic particle detection method
CN117030761A (en) * 2023-08-11 2023-11-10 深圳市中昌检测技术有限公司 Gantry type X-ray nondestructive testing device for tank body
CN117030761B (en) * 2023-08-11 2024-03-12 深圳市中昌检测技术有限公司 Gantry type X-ray nondestructive testing device for tank body

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