CN111553062B - Method and system for judging whether insulator ball head is separated - Google Patents
Method and system for judging whether insulator ball head is separated Download PDFInfo
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- CN111553062B CN111553062B CN202010304913.8A CN202010304913A CN111553062B CN 111553062 B CN111553062 B CN 111553062B CN 202010304913 A CN202010304913 A CN 202010304913A CN 111553062 B CN111553062 B CN 111553062B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/10—Numerical modelling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses a method and a system for judging whether an insulator ball head is separated or not. The method is used in a server and comprises the following steps: receiving parameters, wherein the parameters comprise the number of insulators to be hoisted, the parameters of the ball heads of the insulators and the parameters of locking pins; and the server performs analysis and calculation according to the received parameters and outputs a result of whether the insulator ball head is separated or not. At present, a physical test method is adopted, special sites and equipment are required to be arranged in advance, time and labor are wasted, key internal acting force data are difficult to obtain in the test, and the test of various combination conditions of different schemes is difficult to complete in a short time. By adopting the method, whether the ball head is separated or not can be calculated and evaluated in a computer, the acting force between the ball head and the locking pin can be obtained, and the scheme evaluation of various different parameter combinations can be completed simply and conveniently and rapidly. And the results can be conveniently transmitted to the construction site by combining with equipment such as a mobile phone, a tablet and the like.
Description
Technical Field
The invention relates to the field of simulation calculation, in particular to a method and a system for judging whether an insulator ball head is separated.
Background
In the hoisting process of the power grid line insulators, dozens of insulators connected in series can be hoisted at one time, and the ball head and the ball socket between the insulators are connected by virtue of locking pins between the insulators. However, if the number of the lifted insulators is too large and the weight is too large, as shown in fig. 1, the locking pin is pressed by the insulator ball head pointed by the arrow at the lifting point, and the locking pin is stressed and deformed, so that the ball head is separated from the ball socket, tens of insulators below are dropped, the insulators are damaged, and safety risks are brought to the lifting construction site.
At present, the test can only be used for testing, the lifting is simulated at a test place, and the tension applied to the insulator simulates the gravity of the insulator, so that the test can be performed on how much force is required to deform the locking pin and separate the ball head from the ball socket. However, the test is time-consuming and labor-consuming, the whole hoisting process is required to be carried out by arranging test equipment and sites, the types of the insulators and the locking pins are various, the opening sizes of the locking pins on the construction site are not uniform, the actual test cannot be carried out before hoisting construction or before construction scheme making, and the observed result of the test is just whether the insulator ball head is separated from the ball socket or not from the outside. It is difficult to observe the interaction process between the internal ball socket and the locking pin, and it is more difficult to acquire the stress data of the locking pin in the process. Therefore, the requirements of the test on the field and equipment are high, the arrangement needs to be carried out in advance, the schemes of different insulator numbers, different locking pins, different opening sizes and the like need to be tested repeatedly, time and labor are wasted, and key locking pin stress data are difficult to obtain. The whole insulator lifting device cannot meet the requirements of lifting construction on quick judgment of the lifting quantity of insulators, the opening size of locking pins and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method and a system for judging whether the insulator ball is separated or not so as to effectively judge whether the insulator ball is separated or not before the insulator is hoisted.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
in a first aspect, an embodiment of the present invention provides a method for determining whether an insulator ball is separated from a server, where the method includes:
receiving parameters, wherein the parameters comprise the number of insulators to be hoisted, the parameters of the ball heads of the insulators and the parameters of locking pins;
and the server performs analysis and calculation according to the received parameters and outputs a result of whether the insulator ball head is separated or not.
Further, a judging model of whether the insulator ball head is separated or not is stored in the server, and the judging model takes the received parameters as input variables.
Further, the judgment model is constructed by the following steps:
s1, building a structural model of an insulator ball head and a locking pin, and building a stress model of contact action of the ball head and the locking pin according to the built structural model of the insulator ball head and the locking pin;
s2, calculating the gravity generated by the insulators connected in series in a row according to a stress model, and analyzing whether the ball head is separated or not due to the expansion deformation of the locking pin caused by bearing the force by the action of the ball head on the locking pin;
s3, setting variable parameters to automatically and repeatedly calculate, and repeating the step S2 to obtain a judging result of whether the insulator ball head is separated or not under the condition of different variable parameters; the variable parameters comprise the gravity generated by different numbers of insulators and different opening sizes of the locking pins.
Further, the structural model of the insulator ball head and the locking pin comprises the appearance, the size and the performance parameters of the insulator ball head and the locking pin.
Further, the stress model comprises the contact position of the two, the acting force and the respective movable space.
In a second aspect, the invention provides a system for judging whether an insulator ball is separated, which comprises a server and a client;
the server is used for receiving parameters transmitted by the client, wherein the parameters comprise the number of insulators to be hoisted, the insulator ball head parameters and the locking pin parameters;
and the server analyzes and calculates according to the received parameters and outputs the result of whether the insulator ball head is separated or not to the client.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a method for rapidly judging whether a locking pin of an insulator is stressed to deform so as to lead a ball head of the insulator to be separated, which adopts a physical test method at present, special fields and equipment are required to be arranged in advance, time and labor are wasted, key internal acting force data are difficult to obtain in the test, and the test of various combination conditions of different schemes is difficult to complete in a short time. By adopting the method, whether the ball head is separated or not can be calculated and evaluated in a computer, the acting force between the ball head and the locking pin can be obtained, and the scheme evaluation of various different parameter combinations can be completed simply and conveniently and rapidly. And the results can be conveniently transmitted to the construction site by combining with equipment such as a mobile phone, a tablet and the like.
Drawings
Fig. 1 is a diagram of a prior art insulator lifting construction test;
fig. 2 is a schematic diagram of a system for determining whether an insulator ball is separated according to the present embodiment;
FIG. 3 is a profile model view of a locking pin;
FIG. 4 is a schematic view of a ball head applying force to a locking pin;
fig. 5 is a schematic view showing the locking pin being deformed by force and the ball head beginning to disengage.
Detailed Description
The present invention will be described in further detail with reference to the drawings and detailed description.
Examples:
referring to fig. 2, the system for determining whether the insulator ball is separated according to the present embodiment mainly includes a server and a client. The client can be an intelligent terminal such as a mobile phone and a tablet personal computer which can be connected with the network, so that workers on the construction site can directly input related parameter operations. Specifically, the parameters include the number of insulators to be hoisted, the parameters of the bulb of the insulators, the size parameters of the locking pins and the like. Before hoisting the power grid line insulator, the field staff inputs the number of the insulator to be hoisted, the size parameter of the locking pin, the parameter of the insulator ball head and the like into the client so as to transmit the input parameters to the server, and the server can effectively judge whether the hoisted insulator ball head breaks away or not through the rapid operation in the server.
Therefore, by using the system for judging whether the insulator ball is separated or not, actual test operation is not needed, on-site staff only needs to input the insulator parameters to be lifted at this time in the client, and through simulation and calculation of the server, relevant judgment can be quickly returned to the client, and the staff can know whether the insulator ball lifted at this time is separated or not in real time and adjust the insulator ball lifted at this time according to the judgment result.
Specifically, a judgment model of whether the insulator ball is separated or not is uploaded in advance in the server, the judgment model takes parameters transmitted by the client as input variables, and then a judgment result is output and returned to the client.
And the judgment model is constructed and obtained through the following steps:
s1, building a structural model of an insulator ball head and a locking pin in a computer, wherein the model comprises the appearance and the size of the insulator ball head and the locking pin, and endowing the model with material performance parameters including but not limited to data such as density, young modulus, poisson' S ratio, yield strength and the like, wherein the appearance model of the locking pin is shown in figure 3; meanwhile, a stress model of contact action of the ball head and the locking pin is constructed according to the established structural model of the ball head and the locking pin of the insulator, and the stress model comprises the contact position, the acting force and the moving space of the ball head and the locking pin, and the like, as shown in fig. 4.
S2, calculating the gravity generated by the insulators connected in series and in a row according to the stress model, and analyzing whether the ball head is separated or not due to the expansion deformation of the locking pin caused by bearing the force through the action of the ball head on the locking pin, wherein the concrete is shown in fig. 5.
S3, setting variable parameters to automatically and repeatedly calculate, and repeating the step S2 to obtain a judging result of whether the insulator ball head is separated or not under the condition of different variable parameters; the variable parameters comprise the gravity generated by different numbers of insulators and different opening sizes of the locking pins. That is, the shape model of the locking pin and the ball head, the contact position of the ball head and the locking pin, the gravity, the unlocking size of the locking pin and other parameters can be directly modified, and the calculation of various combination schemes is carried out to obtain the evaluation results of various schemes, so that the judgment model is obtained through training.
By adopting the method, the key acting force data of the ball head and the locking pin are directly obtained, the acting force between the metal objects is calculated, and the calculated result of the computer is similar to the test result of the real object, so that the evaluation accuracy required by hoisting construction is sufficiently supported. The whole process can evaluate a plurality of schemes rapidly and conveniently in a computer without using test sites and equipment, and key internal data are acquired, so that rapid and accurate evaluation suggestions can be given to hoisting construction.
In summary, compared with the prior art, the invention has the following technical advantages:
1. modeling key parts (locking pins and ball heads) by adopting a computer simulation calculation method, calculating key contact effect, calculating key size (opening size of the locking pins), calculating the detachment activity of the parts, and finally judging whether the ball heads are detached or not. This method was used instead of the physical test.
2. The shape model of the locking pin and the ball head, the contact position of the ball head and the locking pin, the gravity, the opening size of the locking pin and other parameters can be directly modified to calculate various combination schemes. The scheme is simple, convenient and quick to change.
3. The construction site can be accessed to equipment through the Internet such as a mobile phone, a tablet personal computer and the like, parameters such as a ball head, a locking pin and the like can be remotely set and transmitted to a background server, and after the server finishes the calculation result, the result is returned to the construction site.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The method for judging whether the insulator ball is separated or not is used in a server and is characterized by comprising the following steps:
receiving parameters, wherein the parameters comprise the number of insulators to be hoisted, the parameters of the ball heads of the insulators and the parameters of locking pins;
the server analyzes and calculates according to the received parameters and outputs a result of whether the insulator ball head is separated or not;
the server stores a judging model of whether the insulator ball head is separated or not, and the judging model takes the received parameters as input variables;
the judging model is constructed through the following steps:
s1, building a structural model of an insulator ball head and a locking pin, and building a stress model of contact action of the ball head and the locking pin according to the built structural model of the insulator ball head and the locking pin;
s2, calculating the gravity generated by the insulators connected in series in a row according to a stress model, and analyzing whether the ball head is separated or not due to the expansion deformation of the locking pin caused by bearing the force by the action of the ball head on the locking pin;
s3, setting variable parameters to automatically and repeatedly calculate, and repeating the step S2 to obtain a judging result of whether the insulator ball head is separated or not under the condition of different variable parameters; the variable parameters comprise the gravity generated by different numbers of insulators and different opening sizes of the locking pins.
2. The method of claim 1, wherein the structural model of the insulator ball and the locking pin comprises the shape, the size and the performance parameters of the insulator ball and the locking pin.
3. The method of claim 1, wherein the force model includes a contact position, a force magnitude, and a respective movement space of the two.
4. The system for judging whether the insulator ball head is separated or not is characterized by comprising a server and a client;
the server is used for receiving parameters transmitted by the client, wherein the parameters comprise the number of insulators to be hoisted, the insulator ball head parameters and the locking pin parameters;
the server analyzes and calculates according to the received parameters and outputs the result of whether the insulator ball head is separated or not to the client;
the server stores a judging model of whether the insulator ball head is separated or not, and the judging model takes the received parameters as input variables;
the judging model is constructed through the following steps:
s1, building a structural model of an insulator ball head and a locking pin, and building a stress model of contact action of the ball head and the locking pin according to the built structural model of the insulator ball head and the locking pin;
s2, calculating the gravity generated by the insulators connected in series in a row according to a stress model, and analyzing whether the ball head is separated or not due to the expansion deformation of the locking pin caused by bearing the force by the action of the ball head on the locking pin;
s3, setting variable parameters to automatically and repeatedly calculate, and repeating the step S2 to obtain a judging result of whether the insulator ball head is separated or not under the condition of different variable parameters; the variable parameters comprise the gravity generated by different numbers of insulators and different opening sizes of the locking pins.
5. The system for determining the detachment of an insulator ball as claimed in claim 4, wherein the structural model of the insulator ball and the locking pin includes the shape, size and performance parameters of the insulator ball and the locking pin.
6. The system for determining whether a ball head of an insulator is separated according to claim 4, wherein the stress model comprises a contact position, a force magnitude and a respective movement space of the two.
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| CN202010304913.8A CN111553062B (en) | 2020-04-17 | 2020-04-17 | Method and system for judging whether insulator ball head is separated |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007020341A (en) * | 2005-07-08 | 2007-01-25 | Tokyo Electric Power Co Inc:The | Insulator damage determination device and program |
| CN107203668A (en) * | 2017-05-23 | 2017-09-26 | 四川望锦机械有限公司 | A kind of automobile spherical hinge structure design method based on CAE |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175511B (en) * | 2010-12-24 | 2013-05-08 | 深圳市大族激光科技股份有限公司 | Method and system for estimating material property |
| CN104021245B (en) * | 2014-05-27 | 2017-04-26 | 国家电网公司 | Method for intelligently assembling insulator chain model in three-dimensional mode |
| CN105912812B (en) * | 2016-04-29 | 2019-04-23 | 南方电网科学研究院有限责任公司 | A kind of method and apparatus of the full skirt parameter of determining support insulator |
| CN106529090B (en) * | 2016-12-12 | 2019-06-14 | 中国航天标准化研究所 | A kind of aerospace electron class Reliability Assessment method |
| CN107589351B (en) * | 2017-08-08 | 2020-04-10 | 国家电网公司 | Low and zero value insulator detection method for insulator detection robot |
| CN107657090B (en) * | 2017-09-12 | 2020-10-20 | 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 | Method for judging icing instability of tension tower of power transmission line |
| CN108038285B (en) * | 2017-11-30 | 2022-03-11 | 歌尔科技有限公司 | Method for material type selection and computer readable storage medium |
| CN109142989B (en) * | 2018-06-14 | 2021-07-13 | 中国电力科学研究院有限公司 | Live-line work safety assessment method for composite insulator of ultra-high voltage transmission line |
| CN109101710B (en) * | 2018-07-27 | 2023-06-06 | 天津津电供电设计所有限公司 | Computing device and method for mechanical parameters of inclined suspension tubular busbar |
| CN110705106A (en) * | 2019-10-08 | 2020-01-17 | 上海无线电设备研究所 | Mechanical reliability analysis method based on probability design |
| CN110702161A (en) * | 2019-10-31 | 2020-01-17 | 国网上海市电力公司 | Device and method for monitoring and positioning dropping of pins of insulators of transmission towers |
| CN110795861B (en) * | 2019-11-11 | 2023-03-31 | 国网青海省电力公司电力科学研究院 | Optimization method for ground knife edge parameters of shielding ball of post insulator of current conversion station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007020341A (en) * | 2005-07-08 | 2007-01-25 | Tokyo Electric Power Co Inc:The | Insulator damage determination device and program |
| CN107203668A (en) * | 2017-05-23 | 2017-09-26 | 四川望锦机械有限公司 | A kind of automobile spherical hinge structure design method based on CAE |
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