CN207992025U - A kind of non-destructive testing device of insulating materials interlayer adhesive force - Google Patents
A kind of non-destructive testing device of insulating materials interlayer adhesive force Download PDFInfo
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- CN207992025U CN207992025U CN201820137374.1U CN201820137374U CN207992025U CN 207992025 U CN207992025 U CN 207992025U CN 201820137374 U CN201820137374 U CN 201820137374U CN 207992025 U CN207992025 U CN 207992025U
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- insulating materials
- destructive testing
- tension arm
- vacuum pump
- adhesive force
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Abstract
The utility model discloses a kind of non-destructive testing devices of insulating materials interlayer adhesive force.The utility model is applicable to the non-destructive testing of the adhesive strength between different insulative material interlayer and the new and old thickness of same dielectric material, it is applicable not only to the non-destructive testing of the insulating materials interlayer adhesive force in laboratory, is particularly suitable for the non-destructive testing of the insulating materials interlayer adhesive force of outdoor live running equipment insulating part.The utility model has the advantages that simple in structure, simple operation, strong applicability not damaged to insulating part.
Description
Technical field
The utility model is related to experimental examination technical fields, and in particular to a kind of lossless inspection of insulating materials interlayer adhesive force
Survey device.
Background technology
Electrical equipment or product generally comprise the parts such as conductor, magnetic circuit, insulation and mechanical structure, and wherein insulated part is normal
Belong to weakest link, the service life and operational reliability to electric/electronic have decisive role.Such as：Generator
Breakdown, substation or line insulator of the aging and breakdown, transformer coil turn-to-turn insulation of coil insulation under overvoltage exist
Flashover etc. under filthy, is all the common cause that electric system causes power outage.
Traditional insulating materials is mostly natural material or inorganic material, and the development of new technology and new material makes synthetic material
Extensive use is obtained in insulation applications.Novel insulating materials shows excellent comprehensive performance in electrical equipment.But it is compound
Between the base material not of the same race of material, the reparation after damage of composite materials, the connection of insulating materials of the same race and insulating materials aging
Reinforcement afterwards etc. can all generate the interface layer of insulating materials.Once there is poor attachment in the interface layer of insulating materials, attachment
Power declines, or even generates interlayer spacings, it will fatal calamitous harm occurs.As substation or transmission line of electricity epoxy resin are multiple
Close insulator, polyolefin composite insulator, EP rubbers composite insulator and silicon rubber compound insulator all largely makes in foreign countries
With, and China's electric system and the railway system are then based on silicon rubber compound insulator.
The insulating part of composite insulator is generally made of two kinds of insulating materials, such as internal glass fibre reinforced plastic insulating cylinder or stick and outside
The silicon rubber insulation umbrella cover in portion, operational management personnel very worry the bonding between two kinds of insulating materials of compound inslation part in use
Whether intensity leads to the problem of internal flaw.It is exhausted for the original insulating materials and repairing of the insulating part of damage or aging repairing
Adhesive strength between edge material, whether to have degumming or bubble etc. be the key index of repairing quality.Detection there is no at present to this
Testing equipment, only verified by original methods such as visual observations, cutting dissections, be both difficult to find out defect and quality level,
Cutting dissection causes secondary damage again, it is also necessary to repair again.Insulating materials is more lacked for running complex insulation product
Effective detection device of ply adhesion.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of non-destructive testing device of insulating materials interlayer adhesive force,
Can between two kinds of insulating materials and insulating part repairing after new and old insulating materials between ply adhesion strength be detected, and
Insulating part product need not be destroyed, ensure that the mechanical and physical performance of insulating part and the reliability of electric property.
To achieve the above object, the technical solution of the utility model is：
A kind of non-destructive testing device of insulating materials interlayer adhesive force, including measuring head, lifting column, vacuum pump, board, electricity
Motivation and control flow, the measuring head include two round platforms symmetrically, and one end of the round platform is circumferentially provided with sealing
Ring, the end face of the round platform are equipped with several ultrasonic probes of radially even distribution, and the center of the round platform is equipped with one and connects
Lead to external endoporus, the control flow includes ultrasonic meter and pulling force sensor display screen, the both ends point of the measuring head
It is not connected with upper tension arm and lower tension arm by universal joint extension rod, the lower tension arm is equipped with pulling force sensor,
The upper tension arm, lower tension arm and control flow are arranged on lifting column, and the lifting column, vacuum pump and motor are respectively provided with
On board, the endoporus is connected by pipeline with vacuum pump, and the ultrasonic probe is connected with ultrasonic meter, institute
Pulling force sensor is stated with pulling force sensor display screen to be connected, the lifting column under motor drive so that tension arm increase or
It reduces, the vacuum pump and motor are controlled by control flow.
Further, shifting roller is installed under the board.
Further, the vacuum pump further includes vent valve and vacuum meter.
A kind of application method of the non-destructive testing device of insulating materials interlayer adhesive force, includes the following steps：
Step 1 moves the device by insulating part to be checked, and fixation；
Step 2, original insulating materials and new insulation material with the end face of alcohol wipe measuring head and insulating part position to be checked
Material；
Step 3, the upper and lower surface that measuring head is covered to insulating part position to be detected, the circumference of measuring head to sealing ring with
Insulating part surface to be checked forms sealing, and the ultrasonic probe of measuring head is in direct contact insulating part surface；
Step 4 starts vacuum pump and closes vent valve the surface to be checked of measuring head and insulating part is made to form vacuum and mutually adsorbs；
Step 5, operation and control screen start motor, and pulling force is formed at measuring head both ends, given according to design adhesive strength
Value of thrust keeps constant pulling force 1 minute；
Step 6 during maintaining constant force, opens ultrasonic meter, whether there is or not ultrasonic probes to detect insulation for observation
The intralayer defects of part internal interface indicate；
Step 7, after the constant force retention time, operation and control screen close motor unload pulling force, open vent valve, operation
Control flow closes vacuum pump, checks that insulating part subject portion faces have not damaged, ultrasonic meter during constant force is kept
Defect is not indicated, then shows that the material ply adhesion of the insulating part is qualified.
Compared with prior art, advantage is the utility model：It is applicable to different insulative material interlayer and phase
With the non-destructive testing of the adhesive strength between the new and old thickness of insulating materials, it is applicable not only to the insulating materials interlayer attachment in laboratory
The non-destructive testing of power is particularly suitable for the non-destructive testing of the insulating materials interlayer adhesive force of outdoor live running equipment insulating part.
The utility model has the advantages that simple in structure, simple operation, strong applicability not damaged to insulating part.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of measuring head；
Fig. 3 is the vertical view of measuring head；
The meaning of reference numeral in figure：1, measuring head, 1-1, endoporus, 1-2, sealing ring, 1-3, ultrasonic probe, 2, universal
Connector extension rod, 3, lifting column, 4-1, upper tension arm, tension arm under 4-2,5, insulating part, 5-1, original insulating materials are 5-2, new
Insulating materials, 6, pipeline, 7, vacuum pump, 7-1, vent valve, 7-2, vacuum meter, 8, board, 9, motor, 10, control flow, 10-
1, pulling force sensor, 10-2, pulling force sensor display screen, are 10-3, ultrasonic meters.
Specific implementation mode
The content of the utility model is described in further details with reference to the accompanying drawings and detailed description.
Embodiment 1：
A kind of non-destructive testing device of insulating materials interlayer adhesive force, including measuring head 1, lifting column 3, vacuum pump 7, board
8, motor 9 and control flow 10, the measuring head 1 include two round platforms symmetrically, and one end of the round platform is circumferentially set
It is equipped with sealing ring 1-2, the end face of the round platform is equipped with several ultrasonic probe 1-3 of radially even distribution, the round platform
Center be equipped with the external endoporus 1-1 of a connection, the control flow 10 includes that ultrasonic meter 10-3 and pulling force sensor are shown
The both ends of display screen 10-2, the measuring head 1 pass through universal joint extension rod 2 and upper tension arm 4-1 and lower tension arm 4-2 phases respectively
Connection, the lower tension arm 4-2 are equipped with pulling force sensor 10-1, the upper tension arm 4-1, lower tension arm 4-2 and control flow
10 are arranged on lifting column 3, and the lifting column 3, vacuum pump 7 and motor 9 are arranged on board 8, and the endoporus 1-1 is logical
It crosses pipeline 6 with vacuum pump 7 to be connected, the ultrasonic probe 1-3 is connected with ultrasonic meter 10-3, the pull sensing
Device 10-1 is connected with pulling force sensor display screen 10-2, the lifting column 3 motor 9 driving under so that tension arm increase or
It reduces, the vacuum pump 7 and motor 9 are controlled by control flow 10.
Wherein, shifting roller is installed under the board 8 so that the device detects outdoors better convenience.Institute
It further includes vent valve 7-1 and vacuum meter 7-2 to state vacuum pump 7.Vacuum meter 7-2 can show the value of vacuum degree so as to vacuum degree
Observation it is more intuitive.
A kind of application method of the non-destructive testing device of insulating materials interlayer adhesive force, includes the following steps：
Step 1 moves the device by insulating part 5 to be checked, and fixation；
Step 2, with original insulating materials 5-1 at 5 position to be checked of end face and insulating part of alcohol wipe measuring head 1 and it is new absolutely
Edge material 5-2；
Step 3, the upper and lower surface that measuring head 1 is covered to 5 position to be detected of insulating part, the circle circumferential seal of measuring head 1
Ring 1-2 is formed with 5 surface of insulating part to be checked and is sealed, and the ultrasonic probe 1-3 of measuring head 1 is in direct contact 5 surface of insulating part；
Step 4 starts vacuum pump 7 and closes the surface to be checked formation vacuum that vent valve 7-1 makes measuring head 1 with insulating part 5
Mutually adsorb；
Step 5, operation and control screen 10 start motor 9, pulling force are formed at 1 both ends of measuring head, according to design adhesive strength
Given value of thrust, keeps constant pulling force 1 minute；
Step 6 during maintaining constant force, opens ultrasonic meter 10-3, whether there is or not ultrasonic probe 1-3 detections for observation
Intralayer defects to 5 internal interface of insulating part indicate；
Step 7, after the constant force retention time, operation and control screen 10 closes motor 9 and unloads pulling force, opens vent valve 7-
1, operation and control screen 10 closes vacuum pump 7, it is not damaged to check that the subject portion faces of insulating part 5 have, constant force surpasses during keeping
Acoustic measurement instrument 10-3 does not indicate defect, then shows that the material ply adhesion of the insulating part 5 is qualified.
Above-described embodiment simply to illustrate that the utility model technical concepts and features, the purpose is to be to allow this field
Interior those of ordinary skill can understand the content of the utility model and implement according to this, can not limit the utility model with this
Protection domain.The equivalent changes or modifications that every essence according to the utility model content is made, should all cover in this reality
With in novel protection domain.
Claims (3)
1. a kind of non-destructive testing device of insulating materials interlayer adhesive force, which is characterized in that including measuring head (1), lifting column
(3), vacuum pump (7), board (8), motor (9) and control flow (10), the measuring head (1) includes two circles symmetrically
One end of platform, the round platform is circumferentially provided with sealing ring (1-2), and the end face of the round platform is equipped with radially even distribution
Several ultrasonic probes (1-3), the center of the round platform are equipped with the endoporus (1-1) outside a connection, control flow (10) packet
Ultrasonic meter (10-3) and pulling force sensor display screen (10-2) are included, the both ends of the measuring head (1) are respectively by universal
Connector extension rod (2) is connected with upper tension arm (4-1) and lower tension arm (4-2), and the lower tension arm (4-2) is equipped with pulling force
Sensor (10-1), the upper tension arm (4-1), lower tension arm (4-2) and control flow (10) are arranged on lifting column (3),
The lifting column (3), vacuum pump (7) and motor (9) are arranged on board (8), and the endoporus (1-1) passes through pipeline (6)
It is connected with vacuum pump (7), the ultrasonic probe (1-3) is connected with ultrasonic meter (10-3), the pull sensing
Device (10-1) is connected with pulling force sensor display screen (10-2), and the lifting column (3) is under motor (9) driving so that tension
Arm is raised and lowered, and the vacuum pump (7) and motor (9) are controlled by control flow (10).
2. the non-destructive testing device of insulating materials interlayer adhesive force according to claim 1, which is characterized in that the board
(8) shifting roller is installed under.
3. the non-destructive testing device of insulating materials interlayer adhesive force according to claim 1, which is characterized in that the vacuum pump
(7) further include vent valve (7-1) and vacuum meter (7-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137374.1U CN207992025U (en) | 2018-01-26 | 2018-01-26 | A kind of non-destructive testing device of insulating materials interlayer adhesive force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137374.1U CN207992025U (en) | 2018-01-26 | 2018-01-26 | A kind of non-destructive testing device of insulating materials interlayer adhesive force |
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| Publication Number | Publication Date |
|---|---|
| CN207992025U true CN207992025U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820137374.1U Active CN207992025U (en) | 2018-01-26 | 2018-01-26 | A kind of non-destructive testing device of insulating materials interlayer adhesive force |
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| CN (1) | CN207992025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072606A (en) * | 2018-01-26 | 2018-05-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of non-destructive testing device and its application method of insulating materials interlayer adhesive force |
-
2018
- 2018-01-26 CN CN201820137374.1U patent/CN207992025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072606A (en) * | 2018-01-26 | 2018-05-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of non-destructive testing device and its application method of insulating materials interlayer adhesive force |
| CN108072606B (en) * | 2018-01-26 | 2023-09-26 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Nondestructive testing device for interlayer adhesive force of insulating material and application method thereof |
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