CN209894671U - Coating and insulator bonding surface adhesive force quantitative measurement device - Google Patents

Coating and insulator bonding surface adhesive force quantitative measurement device Download PDF

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Publication number
CN209894671U
CN209894671U CN201920364982.0U CN201920364982U CN209894671U CN 209894671 U CN209894671 U CN 209894671U CN 201920364982 U CN201920364982 U CN 201920364982U CN 209894671 U CN209894671 U CN 209894671U
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China
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coating
insulator
tension
force
bonding surface
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CN201920364982.0U
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Inventor
邓桃
梁曦东
周军
包维宁
赵江涛
李峰
谷琛
丁玉剑
邓禹
张学军
于昕哲
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Tsinghua University
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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Tsinghua University
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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Abstract

The utility model provides a coating and insulator bonding face adhesive force quantitative measurement device. The measuring device includes: the support frame is used for being erected above the insulator; the cutting tool is used for cutting the coating coated on the surface of the insulator so as to separate the side edge of the coating from the bonding surface of the insulator; the force application system is arranged on the support frame and used for applying tension to the coating cut and separated by the cutting tool so as to separate the coating from the insulator; and the tension sensor is arranged on the support frame and used for detecting the tension borne by the coating so as to obtain the limit tension value borne by the coating when the coating is separated from the insulator. The utility model discloses a cutting tool cuts the insulator coating on the surface to the pulling force is applyed to the coating to afterburning system, and detects the pulling force that the coating bore through force sensor, and the limit pulling force value that the coating bore when acquireing the coating and breaking away from the insulator, this device is convenient for operate and quantitative measurement, and carries out the judgement of adhesive force ration with this.

Description

Coating and insulator bonding surface adhesive force quantitative measurement device
Technical Field
The utility model relates to an insulator technical field particularly, relates to a coating and insulator bonding face adhesive force quantitative measurement device.
Background
The insulator plays a role in mechanical support and electrical isolation on the power transmission line, and is one of the key parts of external insulation of a power system. The types of insulators widely used at present can be divided into three types, namely porcelain insulators, glass insulators and composite insulators. Meanwhile, in order to solve the insulator pollution flashover phenomenon caused by adverse weather conditions, the RTV coating is applied to the porcelain insulator and the glass insulator, and the insulator coated with the RTV coating can effectively prevent the insulator from large-area pollution flashover, so that the safe and stable operation of the power system is guaranteed.
In the use process of the RTV (room temperature vulcanized silicone rubber) coating, the bonding capability between the coating and the porcelain or glass insulator is an important index, and a certain bonding strength plays an important role in ensuring that the RTV coating can play a role reliably. Therefore, the research on the adhesive force strength of the RTV coating and the bonding surface of the porcelain or the composite insulator provides quantitative measurement indexes, and is an important problem in the field of insulator research.
At present, no perfect and uniform adhesion test standard is found in relevant test standards at home and abroad for measuring the adhesion of the RTV coating of the existing insulator. The coating with poor bonding strength can be well judged by a method for cutting a bonding interface between the coating and a porcelain or glass insulator by using a scalpel blade and loading external force in a manual stripping mode so as to tear the coating in the prior art, but the method can only carry out qualitative judgment and cannot carry out quantitative measurement, the standardization degree of the method is poor, and the measurement precision of a test method cannot be ensured.
Disclosure of Invention
In view of this, the utility model provides a coating and insulator bonding surface adhesive force quantitative measurement device aims at solving current RTV coating adhesive force and qualitatively judges the problem that can't ensure its measurement accuracy.
The utility model provides a coating and insulator bonding face adhesive force quantitative measurement device, this measuring device includes: the support frame is used for being erected above the insulator; the cutting tool is used for cutting the coating coated on the surface of the insulator so as to separate the side edge of the coating from the bonding surface of the insulator; the force application system is arranged on the support frame and used for applying tension to the coating cut and separated by the cutting tool so as to enable the coating to be separated from the insulator; and the tension sensor (4) is arranged on the support frame and used for detecting the tension borne by the coating so as to obtain the limit tension value borne by the coating when the coating is separated from the insulator.
Further, the quantitative measuring device for the adhesive force of the bonding surface of the coating and the insulator comprises a force application system and a force application system, wherein the force application system comprises: a ball screw pair and a rocker; the rocker is connected with a screw rod of the ball screw pair and used for driving the screw rod to rotate, the rotation of the screw rod is converted into linear motion of a ball nut of the ball screw pair through the ball screw pair, and the coating cut and separated by the cutting tool is applied with pulling force through the ball nut.
Furthermore, the ball nut is connected with a first clamp for clamping the coating cut and separated by the cutting tool.
Further, the quantitative measuring device for the adhesive force of the bonding surface of the coating and the insulator comprises a force application system and a force application system, wherein the force application system comprises: the hydraulic cylinder is arranged on the support frame and used for applying tension to the coating cut and separated by the cutting tool; and the hydraulic pump is connected with the hydraulic cylinder and used for adjusting the magnitude of the pulling force applied to the liquid in the hydraulic cylinder.
Further, the quantitative measuring device for the adhesive force of the coating and the bonding surface of the insulator further comprises a force application system, wherein the force application system comprises: and the clamp is arranged on the piston of the hydraulic cylinder and used for clamping the coating cut and separated by the cutting tool and applying a pulling force to the coating through the hydraulic cylinder.
Furthermore, the tensile force sensor is electrically connected with a display and used for displaying the tensile force value detected by the tensile force sensor.
Further, the above-mentioned coating and insulator bonding surface adhesive force quantitative measurement device, the display includes: the device comprises a first display screen, a second display screen, a controller and buttons; the first display screen is electrically connected with the tension sensor and is used for displaying real-time tension borne by the coating; the second display screen is electrically connected with the tension sensor and used for displaying the current tension borne by the coating; the controller is electrically connected with the second display screen and used for controlling the second display screen to work so as to display the current tension borne by the coating; the button is electrically connected with the controller and used for triggering the controller to work.
Further, above-mentioned coating and insulator bonding surface adhesive force quantitative measurement device, the support frame includes: at least one upright post; the handle is fixedly connected to the first end of the upright column and used for moving the support frame; and the supporting beam is arranged between the handle and the second end of the upright post and is parallel to the handle, and is used for supporting the force application system.
Furthermore, according to the quantitative measuring device for the adhesive force of the coating and the bonding surface of the insulator, the supporting beam is perpendicular to the upright column, so that the tensile force applied by the force application system is perpendicular to the surface of the insulator.
Furthermore, in the quantitative measuring device for the adhesive force of the coating and the bonding surface of the insulator, the tension applied to the coating by the stress application system is vertical to the surface of the insulator.
The utility model provides a coating and insulator bonding face adhesive force quantitative measurement device cuts the insulator coating of coating on the surface through the cutting tool to the coating, so that afterburning system applys the pulling force to the coating, and detect the pulling force that the coating bore through force sensor, limit pulling force value that the coating bore when acquireing the coating and break away from the insulator, this device is convenient for operate and quantitative measurement, and with this carry out the judgement of adhesive force ration. The device can carry out quantitative judgment of the adhesive force so as to accurately acquire whether the adhesive force is qualified or not, improve the judgment standard, standardize the judgment and avoid the fault of qualitative judgment.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a device for quantitatively measuring adhesion force of a bonding surface of a coating and an insulator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a cutting prop according to an embodiment of the present invention;
fig. 3 is a block diagram of a device for quantitatively measuring adhesion of a bonding surface of a coating and an insulator according to an embodiment of the present invention;
fig. 4 is a block diagram of a display according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to fig. 3, a preferred structure of a device for quantitatively measuring adhesion of a bonding surface of a coating and an insulator provided by an embodiment of the present invention is shown. As shown, the apparatus comprises: the device comprises a support frame 1, a cutting tool 2, a force application system 3, a tension sensor 4 and a display 5; wherein the content of the first and second substances,
the support frame 1 is arranged to be erected above the insulator 6 and functions to support a fixed component such as a force application system 3. In particular, the support 1 and the insulator 6 can be placed simultaneously on the work plane 7, so as to ensure the accuracy of the tension value measurement.
The cutting tool 2 can be hung on the support frame 1 and used for cutting the coating coated on the surface of the insulator, so that the side edge of the coating is separated from the bonding surface of the insulator. Specifically, cutting tool 2 can articulate on support frame 1, also can be connected with support frame 1 detachably to detach cuts when cutting insulator 6, so that the bonding face separation of coating side and insulator 6, in order to obtain the separation coating of cutting separation preset width on insulator 6, and place on support frame 1 after the cutting and fix it, can avoid cutting prop 2 to drop the personnel injury that causes. The cut and separated separation coating and the coating coated on the surface of the insulator 6 are not separated, namely, the cut and separated separation coating and the coating coated on the surface of the insulator 6 are not broken, so that the coating is separated from the insulator 6 under the driving of the separation coating by clamping and pulling the separation coating. It should be noted that the preset width may be determined according to actual situations, and is not limited in this embodiment. Preferably, the cutting tool 2 has an adjustable tool width so as to obtain a separate coating of a predetermined width, and thus the cutting of the coating can be achieved by one-time cutting. The insulator 6 may be a porcelain or glass insulator, or may be an insulator made of other materials. The coating can be the RTV coating of coating on 6 surfaces of insulator for solve the problem of outdoor porcelain insulation equipment pollution flashover, certainly also can be other coatings, so that the adhesive force of other coatings on the quantitative measurement insulator.
A force application system 3 may be provided on the support 1 for applying a pulling force to the coating cut off by the cutting tool 2 to detach the coating from the insulator 6. Specifically, the separated coating separated by the cutting tool 2 is clamped by the force application system 3, and a tensile force is applied to the separated coating, so that the coating is gradually separated from the insulator 6 under the pulling force of the force application system 3 until the coating is separated from the insulator 6, namely, the coating coated on the insulator 6 is separated from the insulator 6, or the cut separated coating is broken from the coating coated on the insulator. In order to ensure the effectiveness of the pulling force, the pulling force applied to the coating is perpendicular to the surface of the insulator 6, so that the pulling force applied to the coating is an effective force for separating the coating, that is, the pulling force applied to the coating by the force application system 3 is perpendicular to the surface of the insulator 6.
The tension sensor 4 is arranged on the support frame 3 and used for detecting the tension borne by the coating so as to obtain the limit tension value borne by the coating when the coating is separated from the insulator 6. Preferably, a tension sensor 4 is provided on the coating to detect the amount of tension experienced by the coating, i.e. the amount of tension experienced by the coating is measured by the tension sensor 4 in order to record the ultimate amount of tension experienced by the coating as it leaves the insulator 6. The tension sensor 4 may be provided on the support frame 3 to ensure accuracy of tension value measurement. To avoid interference between the tension sensor 4 and the home force application system 3, the tension sensor 4 is preferably spaced apart from the force application system 3.
The display 5 is electrically connected with the tension sensor 4 and is used for displaying the tension value detected by the tension sensor 4. Specifically, when the coating is separated from the insulator 6, the display 5 can be used for knowing and recording the limit tension value born by the coating, so that the adhesive force of the bonding surface of the coating and the insulator 1 can be quantitatively judged through the limit tension value and the damage form of the coating, and whether the adhesive force of the coating is qualified or not can be quantitatively judged.
The coating layer separated from the insulator 1 can be analyzed and judged, namely after the coating layer is torn off from the insulator 6, the position where the insulator 6 and the coating layer are separated is checked, and whether the coating layer is separated from the bonding surface of the insulator or cohesive failure occurs in the coating layer is determined in the coating layer separation mode. Wherein, cohesive failure is that when peeling failure occurs in the coating, the adhesive bonding strength of the coating and the insulator is larger than that of the coating, and is called cohesive failure; that is, when the adhesive strength with the insulator 6 is larger than the strength of the coating itself, the breakage is generally from the middle of the coating, that is, cohesive failure. That is, the coating layer separated from the insulator 6 is analyzed and judged, and the position where the coating layer is separated from the insulator 6 is judged to be the bonding surface of the coating layer and the insulator or the middle position of the coating layer. And if the bonding surface of the coating and the insulator 6 is judged to be separated, and when the ultimate tensile force value is greater than or equal to the standard required value, the bonding strength of the coating is judged to be qualified. Otherwise, namely, if the bonding surface of the coating and the insulator 6 is judged to be separated, and when the ultimate tensile force value is smaller than the standard required value, the bonding strength of the coating is judged to be qualified. If the coating is judged to have cohesive failure, the adhesive force between the surface coating and the bonding surface of the insulator 6 is greater than the cohesive failure strength of the coating. And when the ultimate tensile force value is greater than or equal to the standard required value, and the adhesive force between the coating and the bonding surface of the insulator 6 is greater than the cohesive failure strength of the coating, the adhesive force between the coating and the bonding surface of the insulator 6 is greater than or equal to the standard required value, and the bonding strength of the coating is judged to be qualified. Otherwise, if the coating is judged to have cohesive failure, when the ultimate tensile force value is smaller than the standard required value, the coating cutting judgment is repeated until a judgment result is obtained. The standard requirement value may be determined according to actual conditions, and is not limited in this embodiment.
It can be obviously understood that, the quantitative measuring device for adhesion force of the coating and the insulator bonding surface provided by the embodiment cuts the coating coated on the surface of the insulator 6 through the cutting tool 2, so that the force application system 3 applies a pulling force to the coating, and detects the pulling force borne by the coating through the pulling force sensor 4 to obtain the ultimate pulling force value borne by the coating when the coating is separated from the insulator 6, and the device is convenient to operate and quantitatively measure, and quantitatively judges the adhesion force accordingly. The device can carry out quantitative judgment of the adhesive force so as to accurately acquire whether the adhesive force is qualified or not, improve the judgment standard, standardize the judgment and avoid the fault of qualitative judgment.
In the above embodiment, the support frame 1 includes: at least one upright 11, a handle 12 and a support beam 13; wherein the content of the first and second substances,
the handle 12 is fixedly connected to a first end (an upper end as shown in fig. 2) of the upright 11 for moving the support frame 1 as a whole. In particular, the upright 11 may be one or more, and preferably, the upright 11 is multiple, so as to ensure the stability of the support frame 1. The second end of the upright 11 (the lower end as shown in fig. 2) is supported on the working surface, and to ensure stability, the second end of the upright 11 can also be placed on the working surface through a base. The handle 12 is fixed at the second end of the upright post 11, wherein the left and right ends of the handle 12 can be respectively fixed on the two upright posts 11, so as to realize the connection of the two upright posts 11 to form an integral structure, i.e. the handle can be used as a connecting piece, and also can be used as a handle, thereby realizing the connection between the upright posts 11 and the integral movement of the support frame 1.
A support beam 13 is provided between the handle 12 and the second end (lower end as viewed in fig. 2) of the upright 11, and is arranged in parallel with the handle 12, for supporting the force adding system 3. Specifically, the supporting beam 13 is disposed at the middle or upper part of the upright posts 11, and is disposed parallel to the handle 12 between the two upright posts 11, and the end parts are respectively connected to the two upright posts 11 for supporting the force application system 3, and of course, other components such as the tension sensor 4 and the display screen 5 may also be disposed on the supporting beam 13, so as to fix the components. To ensure that the tension is effective, the coating is applied with a tension perpendicular to the surface of the insulator 6 so that the coating is subjected to a tension that is effective in separating it, it is preferred that the support beam 13 is arranged perpendicular to the post 11 so that the tension applied by the force application system 3 is perpendicular to the surface of the insulator 6.
In an embodiment of the present invention, the force application system 3 may include: a ball screw pair (not shown) and a rocker (not shown); wherein the content of the first and second substances,
the rocker is connected with a screw of the ball screw pair for driving the screw to rotate, and the rotation of the screw is converted into the linear motion of a ball nut of the ball screw pair through the ball screw pair, so that the coating cut and separated by the cutting tool 2 is exerted with a pulling force through the ball nut. Specifically, operating personnel accessible hand-operated rock the rocker to make ball screw pair's lead screw rotate, and turn into linear motion through ball screw pair with rotating, make ball nut along the lead screw back-and-forth movement, and then exert pulling force through ball nut to the coating of cutting tool 2 cutting separation, realize the pulling to the coating. Of course, the screw rod can also be driven to rotate by the motor. In order to facilitate the coating pulling of the ball nut, preferably, a first clamp is connected to the ball nut, so that the cutting tool 2 is clamped by the first clamp to cut the separated coating, thereby pulling the coating.
In another embodiment of the present invention, the force application system 3 may further include: a hydraulic cylinder (not shown) and a hydraulic pump (not shown); wherein the content of the first and second substances,
the hydraulic cylinder is arranged on the support frame 1 and is used for applying tension to the coating cut and separated by the cutting tool 2. In particular, the hydraulic cylinder may be attached to a supporting beam 13, which may be arranged perpendicular to the supporting beam so that the pulling force it exerts is perpendicular to the surface of the insulator 6.
The hydraulic pump is connected with the hydraulic cylinder and used for adjusting the tensile force applied to the liquid in the hydraulic cylinder. In particular, it is preferable that the hydraulic pump is a manual hydraulic pump to ensure that the magnitude of the applied pulling force can be constant and the magnitude of the applied force can be visually confirmed, and of course, this is only a preferable embodiment, and other types of hydraulic pumps are equally applicable to the present invention, such as an electric hydraulic pump, but when the electric hydraulic pump is used, the instability of the force caused by the reason such as the voltage change is avoided as much as possible.
In the above embodiments, the display 5 includes: a first display screen 51, a second display screen 52, a controller 53, and buttons 54; wherein the content of the first and second substances,
the first display screen 51 is electrically connected with the tension sensor 4 and is used for displaying the real-time tension borne by the coating. Specifically, the tension sensor 4 detects tension borne by the coating in real time in the process of detecting the coating pulling of the insulator 6 by the force application system 3, and monitors the tension in real time through the first display screen 51. The second display screen 52 is electrically connected to the first display screen 51 for displaying the current tension force carried by the coating. The controller 53 is electrically connected to the second display 52 for controlling the second display 52 to display the current tension force carried by the coating. The button 54 is electrically connected to the controller 53 for triggering the controller 53 to operate. In specific implementation, when the button 54 is pressed, the controller 53 is triggered to work, the controller 53 controls the second display screen 52 to display the current tension borne by the coating, and then the adhesion between the coating and the bonding surface of the insulator 6 is quantitatively judged according to the current tension value displayed by the second display screen 52 and the damage form of the coating, so that whether the adhesion of the coating is qualified or not is quantitatively judged.
In the scheme, an alarm can be added and used for alarming after the controller is triggered to work by the button and is connected with the controller. And after the controller is triggered to work, the alarm is immediately controlled to give an alarm. The alarm may be in the form of sound, light, or the like.
In conclusion, the coating and insulator bonding surface adhesion quantitative measurement device provided by the embodiment cuts the coating coated on the surface of the insulator 6 through the cutting tool 2, so that the stress application system 3 applies a tensile force to the coating, and the tensile force borne by the coating is detected through the tension sensor 4, so as to obtain a limit tensile force value borne by the coating when the coating is separated from the insulator 6. The device can carry out quantitative judgment of the adhesive force so as to accurately acquire whether the adhesive force is qualified or not, improve the judgment standard, standardize the judgment and avoid the fault of qualitative judgment.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides a coating and insulator bonding surface adhesive force quantitative measurement device which characterized in that includes:
the support frame (1) is used for being erected above the insulator (6);
the cutting tool (2) is used for cutting the coating coated on the surface of the insulator (6) so that the side edge of the coating is separated from the bonding surface of the insulator (6);
the force application system (3) is arranged on the support frame (1) and is used for applying tension to the coating cut and separated by the cutting tool (2) so as to enable the coating to be separated from the insulator (6);
and the tension sensor (4) is arranged on the support frame (1) and used for detecting the tension borne by the coating so as to obtain the limit tension value borne by the coating when the coating is separated from the insulator (6).
2. The device for quantitatively measuring the adhesion of a coating to an insulator bonding surface according to claim 1, wherein the force application system (3) comprises: a ball screw pair and a rocker; wherein the content of the first and second substances,
the rocker is connected with a screw rod of the ball screw pair and used for driving the screw rod to rotate, the rotation of the screw rod is converted into linear motion of a ball nut of the ball screw pair through the ball screw pair, and the coating cut and separated by the cutting tool (2) is applied with pulling force through the ball nut.
3. The device for quantitatively measuring the adhesion force of the coating on the bonding surface of the insulator according to claim 2,
the ball nut is connected with a first clamp used for clamping the coating cut and separated by the cutting tool (2).
4. The device for quantitatively measuring the adhesion of a coating to an insulator bonding surface according to claim 1, wherein the force application system (3) comprises:
the hydraulic cylinder is arranged on the support frame (1) and used for applying tension to the coating cut and separated by the cutting tool (2);
and the hydraulic pump is connected with the hydraulic cylinder and used for adjusting the magnitude of the pulling force applied to the liquid in the hydraulic cylinder.
5. The quantitative measurement device for the adhesion force of the coating and insulator bonding surface according to claim 4, wherein the force application system (3) further comprises:
and the clamp is arranged on the piston of the hydraulic cylinder and used for clamping the coating cut and separated by the cutting tool (2) and applying a pulling force to the coating through the hydraulic cylinder.
6. The device for quantitatively measuring the adhesion force of the coating and the insulator bonding surface according to any one of claims 1 to 5,
the tension sensor (4) is electrically connected with a display (5) and used for displaying the tension value detected by the tension sensor (4).
7. The device for quantitatively measuring the adhesion of a coating to an insulator bonding surface according to claim 6, wherein the display (5) comprises: a first display screen (51), a second display screen (52), a controller (53) and buttons (54); wherein the content of the first and second substances,
the first display screen (51) is electrically connected with the tension sensor (4) and is used for displaying the real-time tension borne by the coating;
the second display screen (52) is electrically connected with the first display screen (51) and is used for displaying the current tension borne by the coating;
the controller (53) is electrically connected with the second display screen (52) and is used for controlling the second display screen (52) to work so as to display the current tension borne by the coating;
the button (54) is electrically connected with the controller (53) and used for triggering the controller (53) to work.
8. The device for quantitatively measuring the adhesion force of the bonding surface of the coating and the insulator as recited in any one of claims 1 to 5, wherein the support frame (1) comprises:
at least one upright (11);
the handle (12) is fixedly connected to the first end of the upright post (11) and used for moving the support frame (1);
a support beam (13) arranged between the handle (12) and the second end of the upright (11) and juxtaposed to the handle (12) for supporting the stressing system (3).
9. The device for quantitatively measuring the adhesion force of the coating on the bonding surface of the insulator according to claim 8,
the supporting beam (13) is arranged perpendicular to the upright column (11) so that the tension applied by the force application system (3) is perpendicular to the surface of the insulator (6).
10. The device for quantitatively measuring the adhesion force of the coating and the bonding surface of the insulator is characterized in that the tension force applied to the coating by the force application system (3) is perpendicular to the surface of the insulator (6).
CN201920364982.0U 2019-03-21 2019-03-21 Coating and insulator bonding surface adhesive force quantitative measurement device Active CN209894671U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666075A (en) * 2020-12-23 2021-04-16 成都济通路桥科技有限公司 Novel force measuring device and method for measuring friction coefficient of support in operation period
CN113654985A (en) * 2021-08-04 2021-11-16 铜陵精达特种电磁线股份有限公司 Electromagnetic wire paint film adhesive force testing method, scoring device and testing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666075A (en) * 2020-12-23 2021-04-16 成都济通路桥科技有限公司 Novel force measuring device and method for measuring friction coefficient of support in operation period
CN112666075B (en) * 2020-12-23 2021-09-28 成都济通路桥科技有限公司 Method for measuring friction coefficient between force measuring device and support in operation period
CN113654985A (en) * 2021-08-04 2021-11-16 铜陵精达特种电磁线股份有限公司 Electromagnetic wire paint film adhesive force testing method, scoring device and testing system

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