CN217007118U - Marine polyurethane of LNG check out test set - Google Patents

Marine polyurethane of LNG check out test set Download PDF

Info

Publication number
CN217007118U
CN217007118U CN202123269758.XU CN202123269758U CN217007118U CN 217007118 U CN217007118 U CN 217007118U CN 202123269758 U CN202123269758 U CN 202123269758U CN 217007118 U CN217007118 U CN 217007118U
Authority
CN
China
Prior art keywords
flaw detection
polyurethane material
polyurethane
detection mechanism
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123269758.XU
Other languages
Chinese (zh)
Inventor
李坤叶
张佳
高飞
李苏斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weben Smart Manufacturing System Shanghai Co ltd
Original Assignee
Weben Smart Manufacturing System Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weben Smart Manufacturing System Shanghai Co ltd filed Critical Weben Smart Manufacturing System Shanghai Co ltd
Priority to CN202123269758.XU priority Critical patent/CN217007118U/en
Application granted granted Critical
Publication of CN217007118U publication Critical patent/CN217007118U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to the field of machinery, and discloses a polyurethane flaw detection device for an LNG ship, which comprises: the flaw detection mechanism is used for sending ultrasonic waves to the polyurethane material and receiving the ultrasonic waves to generate flaw detection signals; the front conveying mechanism is positioned on the front side of the flaw detection mechanism and used for inputting the polyurethane material to the flaw detection mechanism; the rear transportation mechanism is positioned at the rear side of the flaw detection mechanism and used for moving the polyurethane material out of the flaw detection mechanism; the adjusting mechanism is connected with the flaw detection mechanism and is used for adjusting the distance between the flaw detection mechanism and the polyurethane material; and the detection mechanism is used for receiving the flaw detection signal and generating the defect information of the polyurethane material according to the flaw detection signal. The utility model realizes the technical effect of automatically detecting the flaw of the polyurethane material, further realizes the damage degree inspection of the polyurethane material and ensures the production quality of the final insulation box.

Description

Marine polyurethane of LNG check out test set
Technical Field
The utility model relates to the field of machinery, in particular to polyurethane flaw detection equipment for an LNG ship.
Background
The film cargo hold is a liquid cargo containment system with a occupancy rate of more than 80% for a large Liquefied Natural Gas (LNG) ship. The insulation box is an important component in the LNG ship liquid cargo tank, and the enhanced polyurethane standard insulation box of the Mark III enclosure system is a core part in the thin-film type LNG ship enclosure system, and has the characteristics of high standardization, high workshop prefabrication, complex process, high manufacturing precision and the like.
The polyurethane standard insulation box is characterized in that plywood at different layers of the box body is formed by gluing with polyurethane, and the plywood is subjected to a pressing process under certain pressure and time, an aging curing process under a non-pressure condition and the like, so that the material damage degree of a polyurethane material is the quality key of the LNG ship insulation box;
however, the inventor finds that the current insulation box for the LNG ship is generally directly assembled and processed by polyurethane materials, and the damage degree of the polyurethane materials is not checked, so that the quality of the produced insulation box is difficult to guarantee.
Disclosure of Invention
The utility model aims to provide polyurethane flaw detection equipment for an LNG ship, which is used for solving the problem that the quality of a produced insulation box is difficult to guarantee due to the lack of detection on the damage degree of polyurethane in the prior art.
In order to achieve the above object, the present invention provides a flaw detection apparatus for polyurethane for LNG ships, comprising:
the flaw detection mechanism is used for sending ultrasonic waves to the polyurethane material and receiving the ultrasonic waves to generate flaw detection signals;
the front conveying mechanism is positioned on the front side of the flaw detection mechanism and used for inputting the polyurethane material to the flaw detection mechanism;
the rear transportation mechanism is positioned at the rear side of the flaw detection mechanism and used for moving the polyurethane material out of the flaw detection mechanism;
the adjusting mechanism is connected with the flaw detection mechanism and is used for adjusting the distance between the flaw detection mechanism and the polyurethane material;
and the detection mechanism is used for receiving the flaw detection signal and generating the defect information of the polyurethane material according to the flaw detection signal.
In the above-mentioned scheme, the mechanism of detecting a flaw includes:
a transmitter for generating ultrasonic waves and transmitting the ultrasonic waves to the polyurethane material; wherein the transmitter is an air coupling generator of the air coupling ultrasonic probe;
the receiving part is used for receiving the ultrasonic wave passing through the polyurethane material, setting the ultrasonic wave passing through the polyurethane material as a flaw detection ultrasonic wave and converting the flaw detection ultrasonic wave into an ultrasonic signal; wherein the receiving element is an air-coupled receiver of the air-coupled ultrasound probe;
and the amplifying part is connected with the receiving part and is used for amplifying the ultrasonic signal to obtain a flaw detection signal.
In the above-mentioned scheme, preceding transport mechanism includes:
a forward movement carrier for carrying the polyurethane material and moving the polyurethane material;
and the front supporting piece is connected with the bottom of the bearing piece and is used for supporting the bearing piece and the polyurethane material positioned on the bearing piece.
In the above aspect, the forward movement carrier includes:
the front rotating roller is used for bearing the polyurethane material and enabling the polyurethane material to move through a rotating direction;
the front bearing track is perpendicular to the front rotating roller; the front rotating roller is positioned between the two front bearing rails which are arranged in parallel, and two ends of the front rotating roller are respectively and rotatably connected to the side surfaces of the two front bearing rails.
In the above-mentioned scheme, back transport mechanism includes:
the rear moving bearing piece is used for bearing the polyurethane material and moving the polyurethane material;
and the rear supporting piece is connected with the bottom of the bearing piece and is used for supporting the bearing piece and the polyurethane material positioned on the bearing piece.
In the above aspect, the rear moving carrier includes:
the rear rotating roller is used for bearing the polyurethane material and enabling the polyurethane material to move through the rotating direction;
a rear bearing rail perpendicular to the rear rotating roller; the rear rotating roller is positioned between the two rear bearing rails which are arranged in parallel, and two ends of the rear rotating roller are respectively and rotatably connected to the side surfaces of the two rear bearing rails.
In the above aspect, the adjusting mechanism includes:
the elevator is connected with the receiving part and the amplifying part of the flaw detection mechanism and is used for controlling the receiving part to move;
the supporting plate is connected with the transmitting piece of the flaw detection mechanism;
the door-shaped frame is connected with the lifter and the supporting plate respectively, wherein the door-shaped frame comprises a cross beam and two vertical columns which are perpendicular to each other, and two ends of the cross beam are connected with the tops of the two vertical columns respectively to form a door-shaped structure.
In the above aspect, the elevator includes:
the lifting plate is connected with the receiving piece and is parallel to the cross beam;
the connecting plate is provided with a sliding block, the connecting plate is connected with one end of the lifting plate and is perpendicular to the lifting plate, and the sliding block is fixed on the surface of one side of the connecting plate, which is back to the lifting plate;
the sliding rail matched with the sliding block is fixed on the side surface of the upright post facing to one side inside the door-shaped frame, and the sliding groove of the sliding block is buckled on the sliding rail, so that the lifting plate moves along the axial direction of the sliding rail; the axis of the sliding rail is parallel to the axis of the upright post;
and the electric push rod is fixed on the cross beam, and the push rod part of the electric push rod is connected with the upper surface of the lifting plate.
In the above solution, the elevator further includes:
and the gear block is positioned at one end of the sliding rail back to the cross beam and is fixed on the upright post.
In the above solution, the detection mechanism includes:
the controller is connected with the adjusting mechanism and is used for controlling the adjusting mechanism to adjust the distance between the flaw detection mechanism and the polyurethane material;
and the industrial personal computer is used for receiving the flaw detection signal sent by the flaw detection mechanism and carrying out signal processing according to the flaw detection signal to obtain the defect information representing the defect condition of the polyurethane material.
According to the polyurethane flaw detection equipment for the LNG ship, the polyurethane material is placed on the front transport mechanism, the adjusting mechanism is adjusted according to the size of the polyurethane material, the polyurethane material is moved to the flaw detection mechanism by the transport mechanism before running, the flaw detection mechanism is started to send ultrasonic waves to the polyurethane material and receive flaw detection ultrasonic waves transmitted by the polyurethane material, and flaw detection signals corresponding to the flaw detection ultrasonic waves are subjected to signal processing through the detection mechanism to obtain defect information representing the defect condition of the polyurethane material, so that the technical effect of automatic flaw detection of the polyurethane material is achieved, further the damage degree of the polyurethane material is inspected, and the production quality of a final insulation box is guaranteed.
Drawings
FIG. 1 is a schematic perspective structure diagram of an embodiment of a polyurethane flaw detection device for an LNG ship according to the utility model;
FIG. 2 is a partially enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a block diagram showing the connection relationship among a flaw detection mechanism, an adjusting mechanism and a detection mechanism in an embodiment of the polyurethane flaw detection equipment for the LNG ship.
Reference numerals are as follows:
1. flaw detection mechanism 2, front conveying mechanism 3, rear conveying mechanism 4 and adjusting mechanism
5. Detection mechanism 11, emitting element 12, receiving element 13 and amplifying element
21. Front moving carrier 22, front support 211, front rotating roller 212, front carrier rail
31. Rear moving carrier 32, rear support 311, rear rotating roller 312, rear carrying rail
41. Lifter 42, support plate 43, door type frame 411, lifting plate 412, slider
413. Connecting plate 414, slide rail 415, slide groove 416, electric push rod 417 and gear block
418. Motor connecting sleeve 431, cross beam 432, upright post 51, controller 52 and industrial personal computer
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following examples are now provided:
referring to fig. 1 to fig. 3, the polyurethane flaw detection apparatus for an LNG ship according to the present embodiment includes:
a flaw detection mechanism 1 for transmitting and receiving ultrasonic waves to and from a polyurethane material (not shown in the figure) to generate flaw detection signals;
the front conveying mechanism 2 is positioned on the front side of the flaw detection mechanism 1 and used for inputting the polyurethane material to the flaw detection mechanism 1;
the rear transportation mechanism 3 is positioned at the rear side of the flaw detection mechanism 1 and is used for moving the polyurethane material out of the flaw detection mechanism 1;
the adjusting mechanism 4 is connected with the flaw detection mechanism 1 and is used for adjusting the distance between the flaw detection mechanism 1 and the polyurethane material;
and the detection mechanism 5 is used for receiving the flaw detection signal and generating the defect information of the polyurethane material according to the flaw detection signal.
The working principle of the technical scheme is as follows: place the polyurethane material in preceding transport mechanism 2 is last, according to the size adjustment of polyurethane material guiding mechanism 4 makes transport mechanism 2 makes before the operation the polyurethane material removes to the mechanism of detecting a flaw 1, starts the mechanism of detecting a flaw 1 sends the ultrasonic wave to the polyurethane material, and the ultrasonic wave of detecting a flaw that is conveyed by the polyurethane material is received, through detection mechanism 5 to corresponding to detect a flaw signal of ultrasonic wave carries out signal processing, obtains the defect information of the sign polyurethane material defect condition, realizes carrying out the technological effect of automatic detection to the polyurethane material, and then has realized the damage degree inspection to the polyurethane material, has guaranteed the production quality of final insulating case.
Preferably, the flaw detection mechanism 1 includes:
the transmitting part 11 is used for generating ultrasonic waves and sending the ultrasonic waves to the polyurethane material, wherein the transmitting part 11 is an air coupling generator of the air coupling ultrasonic probe;
a receiving unit 12 for receiving the ultrasonic wave passing through the polyurethane material, setting the ultrasonic wave passing through the polyurethane material as a flaw detection ultrasonic wave, and converting the flaw detection ultrasonic wave into an ultrasonic signal; wherein the receiving part 12 is an air coupling receiver of the air coupling ultrasonic probe;
and the amplifying part 13 is connected with the receiving part 12 and is used for amplifying the ultrasonic signal to obtain a flaw detection signal.
Specifically, an air-coupled ultrasonic probe and a preamplifier matched with the air-coupled ultrasonic probe are adopted as the flaw detection mechanism 1, wherein an air-coupled generator of the air-coupled ultrasonic probe is the emitting part 11, an air-coupled receiver of the air-coupled ultrasonic probe is the receiving part 12, and the preamplifier is the amplifying part 13. Because the air coupling ultrasonic probe and the amplifier are adopted as the flaw detection mechanism, the flaw detection of the polyurethane material which is not allowed to contact with liquid can be directly carried out, and the application range is expanded.
For example: products made of polyurethane material, which are generally not allowed to come into contact with liquids, and therefore, the products cannot be inspected by ordinary ultrasonic flaw detectors using coupling agents; the product made of the polyurethane material can be detected without using a coupling agent.
The emitting member 11 is used for generating an electromagnetic signal of an ultra-high pressure as the ultrasonic wave; the ultrasonic waves will penetrate the polyurethane material and propagate to the receiving element 12; the voltage and the electromagnetic Frequency (Radio Frequency) of the emitting element 11 can be adjusted as required, and the air-coupled ultrasonic probe used in this embodiment can generate ultrasonic waves (and the electromagnetic signal) that can penetrate through a polyurethane material with a thickness of 400mm or more.
The amplifying part 13 includes interconnect's amplifier circuit and removes the clutter circuit, it is used for getting rid of to remove the clutter circuit among the ultrasonic signal, amplifier circuit is used for right ultrasonic signal amplifies in order to generate the signal of detecting a flaw.
Further, the amplifying element 13 is fixed in a separation box (not shown in the figure), and the receiving element 12 is connected with the amplifying element 13 through a communication line (not shown in the figure);
the isolation box body is made of insulating materials and is used for eliminating the interference of flaw detection ultrasonic waves around the receiving part 12 on the amplifying part 13 so as to ensure that the amplifying part 13 works in an interference-free state and further ensure the accuracy of flaw detection signals.
Preferably, the front transport mechanism 2 includes:
a front movement carrier 21 for carrying the urethane material and moving the urethane material;
and a front support 22 connected to the bottom of the carrier for supporting the carrier and the polyurethane material on the carrier.
Further, the front movement carrier 21 includes:
a front rotating roller 211 for carrying the polyurethane material and moving the polyurethane material by rotating; wherein, the front rotating roller 211 provides a consistent thrust force along the rotating direction for the polyurethane material due to the rotation thereof, so that the polyurethane material moves;
a front bearing rail 212 perpendicular to the front rotary roller 211; the front rotating roller 211 is located between the two front bearing rails 212 which are arranged in parallel, and two ends of the front rotating roller 211 are respectively connected to the side surfaces of the two front bearing rails 212 in a rotatable manner.
In this embodiment, the front rotary roller 211 is a power roller (for example, an electric power roller), and the motor of the front rotary roller 211 provides power for the rotation of the front rotary roller 211, so that the complexity of the overall structure of the polyurethane flaw detection equipment for the LNG ship is reduced.
Preferably, the rear transport mechanism 3 includes:
a rear movement carrier 31 for carrying the urethane material and moving the urethane material;
and a rear support 32 connected to the bottom of the bearing member for supporting the bearing member and the polyurethane material on the bearing member.
Further, the rear movement carrier 31 includes:
a rear rotating roller 311 for carrying the polyurethane material and moving the polyurethane material by rotating;
the rear rotating roller 311 provides a thrust force consistent with the rotating direction for the polyurethane material due to the rotation thereof, so that the polyurethane material moves;
a rear carrying rail 312 perpendicular to the rear rotating roller 311; the rear rotating roller 311 is located between the two rear bearing rails 312 arranged in parallel, and two ends of the rear rotating roller 311 are respectively rotatably connected to the side surfaces of the two rear bearing rails 312.
In this embodiment, the rear rotating roller 311 is a power roller (e.g., an electric power roller), and a motor of the rear rotating roller 311 provides power for the rotation of the rear rotating roller 311, so that the complexity of the overall structure of the polyurethane flaw detection equipment for the LNG ship is reduced.
Preferably, the adjusting mechanism 4 includes:
the lifter 41 is connected with the receiving part 12 and the amplifying part 13 of the flaw detection mechanism 1 and is used for controlling the receiving part 12 to move;
a support plate 42 connected to the transmitter 11 of the inspection mechanism 1;
a gantry 43 respectively connected to the lifter 41 and the support plate 42, wherein the gantry 43 comprises a cross beam 431 and a vertical column 432 perpendicular to each other, and two ends of the cross beam 431 are respectively connected to the tops of the two vertical columns 432 to form a gantry structure;
further, the lifter 41 includes:
a lifting plate 411 connected to the receiving member 12, the lifting plate 411 being parallel to the cross member 431;
a connecting plate 413 with a slider 412, which is connected with one end of the lifting plate 411 and is perpendicular to the lifting plate 411, wherein the slider 412 is fixed on the surface of the connecting plate 413 on the side opposite to the lifting plate 411;
a slide rail 414 matched with the slide block 412 and fixed on a side surface of the upright post 432 facing the inner side of the door frame 43, wherein a slide groove 415 of the slide block 412 is buckled on the slide rail 414, so that the lifting plate 411 moves along the axial direction of the slide rail 414; wherein the axis of the sliding rail 414 is parallel to the axis of the upright post 432;
and an electric push rod 416 fixed on the cross beam 431, wherein a push rod part of the electric push rod 416 is connected with the upper surface of the lifting plate 411.
Optionally, the elevator 41 further includes:
and a stop block 417, which is located at one end of the slide rail 414 facing away from the cross beam 431 and fixed on the upright post 432.
In this step, the gear block 417 is provided to prevent the lifting plate 411 from separating from the slide rail 414 due to an excessively long moving distance, which may cause an accident that the lifting plate 411 falls off from the slide rail 414, or an accident that the lifting plate 411 collides with the support plate 42, which may cause damage to the receiving element 12 and the emitting element 11.
Specifically, the receiving part 12 is connected to the lower surface of the lifting plate 411, the amplifying part 13 is fixed to the upper surface of the cross beam 431, the electric push rod 416 is fixed to the upper surface of the cross beam 431, the push rod part of the electric push rod 416 penetrates through the cross beam 431 and is connected with the upper surface of the lifting plate 411 through a motor connecting sleeve 418, wherein the motor connecting sleeve 418 is fixed to the upper surface of the lifting plate 411, and the push rod part is connected with the motor connecting sleeve 418 through threads or bolts; the electric push rod 416 moves the lifting plate 411 along the axial direction of the slide rail 414 by moving the push rod part; the support plate 42 is located between the two upright posts 432, two ends of the support plate 42 are fixed on one side of the two upright posts 432 facing the inside of the door frame 43, and the emitting member 11 is fixed on the upper surface of the support plate 42.
In the present embodiment, a plurality of the emitting elements 11 are arranged in a matrix on the upper surface of the supporting plate 42, and a plurality of the receiving elements 12 are arranged in a matrix on the lower surface of the lifting plate 411.
Preferably, the detection mechanism 5 includes:
the controller 51 is connected with the adjusting mechanism 4 and is used for controlling the adjusting mechanism 4 to adjust the distance between the flaw detection mechanism 1 and the polyurethane material;
and the industrial personal computer 52 is used for receiving the flaw detection signal sent by the flaw detection mechanism 1, and performing signal processing according to the flaw detection signal to obtain defect information representing the defect condition of the polyurethane material.
Specifically, the controller 51 is a PLC circuit for transmitting a moving signal for moving a pusher part of the electric pusher 416 to the electric pusher 416 of the adjusting structure, wherein the controller 51 calculates a moving distance of the pusher part of the electric pusher 416 according to a current position of the receiving part 12 and the height information by inputting height information of the urethane material to the controller 51, controls the pusher part of the electric pusher 416 to move according to the moving distance, and ends when the pusher part performs the moving distance.
The industrial personal computer 52 is internally provided with software (for example, analysis software of an ultrasonic flaw detector) for analyzing and processing the flaw detection signals and obtaining the flaw information, and the software belongs to the prior art, and the application is to solve the problems that: how to adjust the distance between the receiving part 12 and the emitting part 11, and automatically detect the polyurethane material, and send the flaw detection signal to the industrial personal computer 52, therefore, the technical scheme of detecting the defect information of the polyurethane material according to the flaw detection signal is not repeated in the present application.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a marine polyurethane of LNG detection equipment of detecting a flaw which characterized in that includes:
the flaw detection mechanism is used for sending ultrasonic waves to the polyurethane material and receiving the ultrasonic waves to generate flaw detection signals;
the front conveying mechanism is positioned on the front side of the flaw detection mechanism and used for inputting the polyurethane material to the flaw detection mechanism;
the rear transportation mechanism is positioned at the rear side of the flaw detection mechanism and used for moving the polyurethane material out of the flaw detection mechanism;
the adjusting mechanism is connected with the flaw detection mechanism and is used for adjusting the distance between the flaw detection mechanism and the polyurethane material;
and the detection mechanism is used for receiving the flaw detection signal and generating the defect information of the polyurethane material according to the flaw detection signal.
2. The polyurethane flaw detection apparatus for the LNG ship according to claim 1, wherein the flaw detection mechanism includes:
a transmitter for generating ultrasonic waves and transmitting the ultrasonic waves to the polyurethane material; wherein the transmitter is an air coupling generator with an air coupling ultrasonic probe;
the receiving part is used for receiving the ultrasonic wave passing through the polyurethane material, setting the ultrasonic wave passing through the polyurethane material as a flaw detection ultrasonic wave and converting the flaw detection ultrasonic wave into an ultrasonic signal; wherein the receiving member is an air-coupled receiver having an air-coupled ultrasound probe;
and the amplifying part is connected with the receiving part and is used for amplifying the ultrasonic signal to obtain a flaw detection signal.
3. The polyurethane flaw detection apparatus for the LNG ship according to claim 1, wherein the front transportation mechanism includes:
the front moving bearing piece is used for bearing the polyurethane material and moving the polyurethane material;
and the front supporting piece is connected with the bottom of the bearing piece and is used for supporting the bearing piece and the polyurethane material positioned on the bearing piece.
4. The polyurethane flaw detection apparatus for an LNG ship according to claim 3, wherein the front moving carrier includes:
the front rotating roller is used for bearing the polyurethane material and enabling the polyurethane material to move through a rotating direction;
the front bearing track is perpendicular to the front rotating roller; the front rotating roller is positioned between the two front bearing rails which are arranged in parallel, and two ends of the front rotating roller are respectively and rotatably connected to the side surfaces of the two front bearing rails.
5. The polyurethane flaw detection apparatus for the LNG ship according to claim 1, wherein the after-transportation mechanism includes:
the rear moving bearing part is used for bearing the polyurethane material and moving the polyurethane material;
and the rear supporting piece is connected with the bottom of the bearing piece and is used for supporting the bearing piece and the polyurethane material positioned on the bearing piece.
6. The polyurethane flaw detection apparatus for the LNG ship according to claim 5, wherein the post-moving carrier includes:
the rear rotating roller is used for bearing the polyurethane material and enabling the polyurethane material to move through the rotating direction;
a rear bearing rail perpendicular to the rear rotating roller; the rear rotating roller is positioned between the two rear bearing rails which are arranged in parallel, and two ends of the rear rotating roller are respectively and rotatably connected to the side surfaces of the two rear bearing rails.
7. The polyurethane flaw detection apparatus for the LNG ship according to claim 1, wherein the adjustment mechanism includes:
the elevator is connected with the receiving part and the amplifying part of the flaw detection mechanism and is used for controlling the receiving part to move;
the supporting plate is connected with the transmitting piece of the flaw detection mechanism;
the door-shaped frame is connected with the lifter and the supporting plate respectively, wherein the door-shaped frame comprises a cross beam and two vertical columns which are perpendicular to each other, and two ends of the cross beam are connected with the tops of the two vertical columns respectively to form a door-shaped structure.
8. The polyurethane flaw detection apparatus for the LNG ship according to claim 7, wherein the lifter includes:
the lifting plate is connected with the receiving piece and is parallel to the cross beam;
the connecting plate is provided with a sliding block, the connecting plate is connected with one end of the lifting plate and is perpendicular to the lifting plate, and the sliding block is fixed on the surface of one side of the connecting plate, which is back to the lifting plate;
the sliding rail matched with the sliding block is fixed on the side surface of the upright post facing to one side inside the door-shaped frame, and the sliding groove of the sliding block is buckled on the sliding rail, so that the lifting plate moves along the axial direction of the sliding rail; the axis of the sliding rail is parallel to the axis of the upright post;
and the electric push rod is fixed on the cross beam, and the push rod part of the electric push rod is connected with the upper surface of the lifting plate.
9. The polyurethane flaw detection apparatus for the LNG ship according to claim 8, wherein the lifter further includes:
and the gear block is positioned at one end of the sliding rail back to the cross beam and is fixed on the upright post.
10. The polyurethane flaw detection apparatus for the LNG ship according to claim 1, wherein the detection mechanism includes:
the controller is connected with the adjusting mechanism and used for controlling the adjusting mechanism to adjust the distance between the flaw detection mechanism and the polyurethane material;
and the industrial personal computer is used for receiving the flaw detection signal sent by the flaw detection mechanism and carrying out signal processing according to the flaw detection signal to obtain defect information representing the defect condition of the polyurethane material.
CN202123269758.XU 2021-12-23 2021-12-23 Marine polyurethane of LNG check out test set Active CN217007118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123269758.XU CN217007118U (en) 2021-12-23 2021-12-23 Marine polyurethane of LNG check out test set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123269758.XU CN217007118U (en) 2021-12-23 2021-12-23 Marine polyurethane of LNG check out test set

Publications (1)

Publication Number Publication Date
CN217007118U true CN217007118U (en) 2022-07-19

Family

ID=82388044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123269758.XU Active CN217007118U (en) 2021-12-23 2021-12-23 Marine polyurethane of LNG check out test set

Country Status (1)

Country Link
CN (1) CN217007118U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117405049A (en) * 2023-11-06 2024-01-16 临沂正大检测技术有限公司 Portable ultrasonic phased array bolt detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117405049A (en) * 2023-11-06 2024-01-16 临沂正大检测技术有限公司 Portable ultrasonic phased array bolt detection device

Similar Documents

Publication Publication Date Title
US7882742B1 (en) Apparatus for detecting, identifying and recording the location of defects in a railway rail
EP2277037B1 (en) Method of and an apparatus for in situ ultrasonic rail inspection of a railroad rail
EP2053391B1 (en) Apparatus and method for nondestructive inspection of parts
CN217007118U (en) Marine polyurethane of LNG check out test set
US7690259B2 (en) Integrated ultrasonic inspection probes, systems, and methods for inspection of composite assemblies
US5866820A (en) Coil volumetric and surface defect detection system
CN101614703B (en) Automated ultrasonic flaw detecting device for track traffic vehicle axles
CN103217477A (en) Axle radial ultrasonic automatic flaw detecting device and control method
RU2538933C2 (en) Flaw-detective unit for non-destructive control, containing probe for checking stringers having magnetic spring balancer
CN104280456A (en) System applied to ultrasonic detection of defects of gas cylinders
CN101710167A (en) On-site automatic detection device of gas insulated switchgear
CN104330473A (en) Ultrasonic flaw detection device for variable-cross-section shaft-disc type workpieces
CN106180880B (en) Thin plate detects automatically and cutting system
EP2738553B1 (en) Ultrasound inspection system and ultrasonic quality control method
KR100799334B1 (en) Crack detection apparatus in press fit railway axle
CN104931583A (en) Ultrasonic phased array automatic flaw detector for railway vehicle axles
CN101706475B (en) On-line detection device and on-line detection method for wheel rim of train wheel
WO1990013814A1 (en) Ultrasonic wheel testing
CN204086216U (en) A kind of gas cylinder defect ultrasonic testing system
WO2004074823A3 (en) Radar detection of surface discontinuities
CN116754656A (en) Phased array ultrasonic automatic flaw detector for railway passenger car axle
JPH06501309A (en) Method and apparatus for inspecting characteristics of multiple mechanical components
CN115718074A (en) Cable aluminium cover surface defect on-line measuring device
CN107271559A (en) A kind of master-slave structure steel rail welding line ultrasonic testing system
CN210366700U (en) Railway open wagon loading container unbalance loading prevention microcomputer measuring system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant