CN104075836B - Actual measured amount device and measuring method thereof during a kind of tension force - Google Patents

Actual measured amount device and measuring method thereof during a kind of tension force Download PDF

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Publication number
CN104075836B
CN104075836B CN201410317705.6A CN201410317705A CN104075836B CN 104075836 B CN104075836 B CN 104075836B CN 201410317705 A CN201410317705 A CN 201410317705A CN 104075836 B CN104075836 B CN 104075836B
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CN
China
Prior art keywords
carrier cable
rope
tension
tension force
impact
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CN201410317705.6A
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Chinese (zh)
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CN104075836A (en
Inventor
夏拥军
胡凤英
寻凯
刘利平
高学彬
黄克信
汤广瑞
刘义
刘忠福
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国家电网公司
中国电力科学研究院
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Priority to CN201410317705.6A priority Critical patent/CN104075836B/en
Publication of CN104075836A publication Critical patent/CN104075836A/en
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Publication of CN104075836B publication Critical patent/CN104075836B/en

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Abstract

Actual measured amount device and measuring method thereof when the invention provides a kind of tension force, this device comprises the impact rope vertically arranging column on the same line and arrange on column, be arranged on the crossing frame of impacting below rope and comprise the carrier cable be arranged in parallel and the net be movably set between carrier cable, impact rope and carrier cable two ends are provided with fixed leg and tension regulator respectively; Measuring system comprises height-gauge, sight registering instrument, transit and real-time strain dynamometer.With prior art ratio, actual measured amount device and measuring method thereof during tension force provided by the invention, crossing frame can be measured in real time and be subject to breaking the tension force instantaneous variation data after impacting, when electric transmission line erection crossing frame, choose satisfactory crossing frame according to measurement data, the broken string avoiding transmission line of electricity impacts the damage to original power circuit or ground obstacle.

Description

Actual measured amount device and measuring method thereof during a kind of tension force
Technical field
The present invention relates to a kind of tension measuring device, the measurement mechanism of actual measured amount tension variation and measuring method thereof when specifically relating to a kind of.
Background technology
Constantly accelerate along with electric power development paces, electrical network is also developed rapidly, and network system working voltage grade improves constantly, and network size also constantly expands.Power grid construction has become the Main way of power construction, and will build up strong intelligent grid comprehensively.
Along with increasing of overhead transmission line, newly-built overhead transmission line crosses over original power circuit, the situation of ground obstacle also gets more and more, in order to ensure the normal operation of original power circuit, ground obstacle, need by cross over power circuit, set up protective device above ground obstacle to ensure that newly-built overhead transmission line has enough safe distances when crossing over original power circuit, ground obstacle.
In prior art for this purpose and the protective device arranged has multiple, as light steel tube crossing frame, window crossing frame, suspension cable type crossover rack; Wherein, suspension cable type crossover rack due to be adopt lightweight, intensity is high, the Di Nima of good insulating restricts woollen yarn knitting, thus have structure simple, set up advantage easily and efficiently, so its application is more and more extensive.But, because the moment tension force of this suspension cable type crossover rack after being subject to broken string impact can increase, sag also can increase, and after increasing this tension force, can not rope rupture, can sag guarantee being provided enough safe distances by power circuit, the ground obstacle crossed over after increasing, need to provide a kind of measurement mechanism to measure tension force, the situation of change of sag moment, in order to verify existing theoretical formula.
Traditional tension measuring device can only measure static or that pace of change is very low tension force, cannot measure the tension force instantaneous variation that suspension cable type crossover rack is subject to breaking after impact in real time.
Summary of the invention
In order to solve the problem, actual measured amount device and measuring method thereof when the invention provides a kind of tension force, measure crossing frame in real time and be subject to breaking the tension force instantaneous variation data after impacting, when electric transmission line erection crossing frame, choose satisfactory crossing frame according to measurement data, the broken string avoiding transmission line of electricity impacts the damage to original power circuit or ground obstacle.
The object of the invention is to adopt following technical proposals to realize:
Actual measured amount device during tension force provided by the invention, described device comprises tension force and applies frame, crossing frame and measuring system, described tension force applies frame and comprises the column 2 vertically arranged on the same line and the impact rope 1 arranged on described column 2, the described crossing frame be arranged on below described impact rope 1 comprises the carrier cable 3 be arranged in parallel and the net be movably set between described carrier cable 3, and its improvements are: described impact rope 1 and carrier cable 3 two ends are provided with fixed leg 5 and tension regulator 12 respectively; Described measuring system comprises height-gauge (4), sight registering instrument (7), transit (8) and dynamic tension dynamometer (11).
Wherein, described net comprises coaster 15, supporting cables 16 and support rope 17, described coaster 15 interval correspondence is arranged on carrier cable 3, along described carrier cable 3 axis direction coaster 15 between be provided with supporting cables 16, be provided with support rope 17 between the coaster 15 perpendicular to described carrier cable 3 axis direction.
Wherein, described net is provided with tricing line 14, and described tricing line 14 extension pulley 15 slides along carrier cable 3, and after launching net, described tricing line 14 is fixedly connected with carrier cable 3.
Wherein, described carrier cable 3, tricing line 14, supporting cables 16 and support rope 17 is Du Pont's silk rope or nylon rope or Di Nima rope or wire rope.
Wherein, described carrier cable 3 serial connection arranges dynamic tension dynamometer 11; The side of described carrier cable 3 sag minimum point is vertically provided with height-gauge 4, and opposite side is provided with sight registering instrument 7 and transit 8, and described height-gauge 4 and sight registering instrument 7 are positioned on the same straight line perpendicular to carrier cable 3.
Wherein, described impact rope 1 is connected in series successively and arranges traction rope, dynamic tension dynamometer 11, wire release 10, web joint 9 and wire 6; Described traction rope is connected with tension regulator 12, and described wire 6 is connected with fixed leg 5.
Wherein, described wire release 10 web member that comprises coil, controller and arrange at its two ends.
Wherein, described tension regulator 12 and fixed leg 5 are fixedly installed on level ground respectively.
Wherein, described column 2 side is provided with signal transceiver 13 and control processor, the data that described sight registering instrument 7, transit 8 and dynamic tension dynamometer 11 gather transfer to control processor through signal transceiver 13, and control signal is transferred to sight registering instrument 7, transit 8, wire release 10, dynamic tension dynamometer 11 and tension regulator 12 by signal transceiver 13 by described control processor respectively.
The present invention is based on the measuring method of actual measured amount device when another object provides a kind of tension force, its improvements are, described measuring method comprises the steps:
1, on level ground, set up the column 2 along same rectilinear direction vertical spacing arrangement;
2, be connected in series by traction rope, dynamic tension dynamometer 11, wire release 10, web joint 9 and wire 6 top that the impact rope 1 be formed by connecting is arranged on column 2 successively, the one end impacting rope 1 is connected with tension regulator 12, and the other end is connected with fixed leg 5;
3, be positioned at below impact rope 1 and crossing frame is installed, crossing frame symmetria bilateralis installs the carrier cable 3 of serial connection dynamic tension dynamometer 11, one end of carrier cable 3 is connected with tension regulator 12, the other end is connected with fixed leg 5, Netcom is crossed coaster 15 is drawn to carrier cable 3 precalculated position by tricing line 14, and tricing line 14 and carrier cable 3 are fixed;
4, erect height-gauge 4 in the side of carrier cable 3 sag minimum point, opposite side erection sight registering instrument 7 and transit 8, sight registering instrument 7 and height-gauge 4 are positioned on the same straight line perpendicular to carrier cable 3 trend;
5, at column 2 side signalization transceiver 13 and control processor, control processor sets up data cube computation with sight registering instrument 7, transit 8, wire release 10, dynamic tension dynamometer 11 and tension regulator 12 respectively by signal transceiver 13;
6, control tension regulator 12 by the tension force of carrier cable 3, sag adjustment to design load by control processor, carrier cable 3 tension force simultaneously transit 8 and dynamic tension dynamometer 11 transmitted, sag magnitude data carry out record;
7, by control processor control tension regulator 12, impact rope 1 is tensioned to the crack critical value of wire release 10, the tension variation data of the impact rope 1 simultaneously transmitted by dynamic tension dynamometer 11 carry out record;
8, open sight registering instrument 7 by control processor, then open wire release 10 by control processor and disconnected by impact rope 1, the impact rope 1 after sight registering instrument 7 real time record disconnects drops on the net, and makes the process that the sag of carrier cable 3 is subjected to displacement;
9, be subject to impacting rope 1 at the net of crossing frame and carrier cable 3 to impact and cause vibration until in the process eliminated of vibration, the longitude and latitude data of the carrier cable 3 that the tension data of the carrier cable 3 that the data that carrier cable 3 sag that sight registering instrument 7 records shows on height-gauge 4, dynamic tension dynamometer 11 record and transit 8 record, transfer to control processor by signal transceiver 13 and carry out data processing and analysis;
10, measure complete, close sight registering instrument 7, dynamic tension dynamometer 11 and signal transceiver 13 by control processor, finally remove crossing frame, carrier cable 3, impact rope 1 and column 2.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, actual measured amount device and measuring method thereof during tension force provided by the invention, crossing frame can be measured in real time by dynamic tension dynamometer and be subject to breaking the tension force instantaneous variation data after impacting, when electric transmission line erection crossing frame, choose satisfactory crossing frame according to measurement data, the broken string avoiding transmission line of electricity impacts the damage to original power circuit or ground obstacle.
2, actual measured amount device and measuring method thereof during tension force provided by the invention, the data of measurement are comprehensively accurate, not only measure the sag shift length of crossing frame, and measure the tension data change that crossing frame bears.
3, actual measured amount device and measuring method thereof during tension force provided by the invention, rationally distributed, structure is simple, be convenient to dismounting, reusable, applied widely, is applicable to the broken string shock measurement of overhead transmission line conductor of different brackets, various criterion.
4, actual measured amount device and measuring method thereof during tension force provided by the invention, measuring method is simply efficient, saves manpower, is controlled by the signal of control processor, data acquisition and Data Analysis Services, obtains measurement data in real time, fast and accurately.
Accompanying drawing explanation
Fig. 1 is: the schematic front view of actual measured amount device during tension force provided by the invention;
Fig. 2 is: the schematic top plan view of actual measured amount device during tension force provided by the invention;
Fig. 3 is: the schematic front view of crossing frame provided by the invention;
Fig. 4 is: the schematic top plan view of crossing frame provided by the invention;
Fig. 5 is: schematic diagram is looked on a left side for crossing frame provided by the invention;
Wherein: 1, impact rope; 2, column; 3, carrier cable; 4, height-gauge; 5, fixed leg; 6, wire; 7, sight registering instrument; 8, transit; 9, web joint; 10, wire release; 11, dynamic tension dynamometer; 12, tension regulator; 13, signal transceiver; 14, tricing line; 15, coaster; 16, supporting cables; 17, support rope.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The present embodiment is for actual measured amount device during tension force, as shown in Figures 1 to 5, the embodiment of the present invention provide tension force time actual measured amount device comprise: impact rope 1, column 2, carrier cable 3, height-gauge 4, fixed leg 5, wire 6, sight registering instrument 7, transit 8, web joint 9, wire release 10, dynamic tension dynamometer 11, tension regulator 12, signal transceiver 13, tricing line 14, coaster 15, supporting cables 16, support rope 17.Column 2 top vertically arranged on the same line, interval is installed and is connected in series by traction rope, dynamic tension dynamometer 11, wire release 10, web joint 9 and wire 6 the impact rope 1 be formed by connecting successively, impact rope 1 one end to be connected with tension regulator 12, the other end is fixed on fixed leg 5; Crossing frame is arranged on the below impacting rope 1, and install the carrier cable 3 of serial connection connection dynamic tension dynamometer 11 in the both sides of crossing frame correspondence, one end of carrier cable 3 is connected with tension regulator 12, and the other end is fixed on fixed leg 5; Tricing line 14 will to be fixedly connected with carrier cable 3 after net unfolding to precalculated position along the trend of carrier cable 3; At the vertical setting height(from bottom) measuring instrument 4 in side of carrier cable 3 sag minimum point, opposite side installs sight registering instrument 7 and transit 8, and height-gauge 4 and sight registering instrument 7 are positioned on the same straight line perpendicular to carrier cable 3 trend.
Wherein, the net of crossing frame, as shown in Figures 3 to 5, comprise move towards to slide along carrier cable 3 coaster 15, supporting cables 16 and support rope 17, coaster 15 interval correspondence is arranged on carrier cable 3, connected by supporting cables 16 between the coaster 15 that carrier cable 3 moves towards, connected by support rope 17 perpendicular between the corresponding coaster 15 that carrier cable 3 moves towards; Carrier cable 3, tricing line 14, supporting cables 16 and support rope 17 can select Du Pont's silk rope of insulation or nylon rope or Di Nima to restrict, and also can select uninsulated wire rope.
Wherein, column 2 side is provided with signal transceiver 13 and control processor, the data that sight registering instrument 7, transit 8 and dynamic tension dynamometer 11 gather transfer to control processor through signal transceiver 13, and control signal is transferred to sight registering instrument 7, transit 8, wire release 10, dynamic tension dynamometer 11 and tension regulator 12 by signal transceiver 13 by control processor respectively.
Wherein, wire release 10 comprises coil, controller and the web member at its two ends; The controller of wire release 10 is by signal transceiver 13 and control processor wireless connections; Height-gauge 4 can select Sopwith staff or mark post; Sight registering instrument 7 can select high-speed camera; Tension regulator 12 can select motor-driven grinding mill; Fixed leg 5 can optionally anchor.
When the present embodiment additionally provides a kind of tension force, the measuring method of actual measured amount device, comprises the steps:
1, on level ground, set up the column 2 along same rectilinear direction vertical spacing arrangement;
2, be connected in series by traction rope, dynamic tension dynamometer 11, wire release 10, web joint 9 and wire 6 top that the impact rope 1 be formed by connecting is arranged on column 2 successively, the one end impacting rope 1 is connected with tension regulator 12, and the other end is connected with fixed leg 5;
3, be positioned at below impact rope 1 and crossing frame is installed, crossing frame symmetria bilateralis installs the carrier cable 3 of serial connection dynamic tension dynamometer 11, one end of carrier cable 3 is connected with tension regulator 12, the other end is connected with fixed leg 5, Netcom is crossed coaster 15 is drawn to carrier cable 3 precalculated position by tricing line 14, and tricing line 14 and carrier cable 3 are fixed;
4, erect height-gauge 4 in the side of carrier cable 3 sag minimum point, opposite side erection sight registering instrument 7 and transit 8, sight registering instrument 7 and height-gauge 4 are positioned on the same straight line perpendicular to carrier cable 3 trend;
5, at column 2 side signalization transceiver 13 and control processor, control processor sets up data cube computation with sight registering instrument 7, transit 8, wire release 10, dynamic tension dynamometer 11 and tension regulator 12 respectively by signal transceiver 13;
6, control tension regulator 12 by the tension force of carrier cable 3, sag adjustment to design load by control processor, carrier cable 3 tension force simultaneously transit 8 and dynamic tension dynamometer 11 transmitted, sag magnitude data carry out record;
7, by control processor control tension regulator 12, impact rope 1 is tensioned to the crack critical value of wire release 10, the tension variation data of the impact rope 1 simultaneously transmitted by dynamic tension dynamometer 11 carry out record;
8, open sight registering instrument 7 by control processor, then open wire release 10 by control processor and disconnected by impact rope 1, the impact rope 1 after sight registering instrument 7 real time record disconnects drops on the net, and makes the process that the sag of carrier cable 3 is subjected to displacement;
9, be subject to impacting rope 1 at the net of crossing frame and carrier cable 3 to impact and cause vibration until in the process eliminated of vibration, the longitude and latitude data of the carrier cable 3 that the tension data of the carrier cable 3 that the data that carrier cable 3 sag that sight registering instrument 7 records shows on height-gauge 4, dynamic tension dynamometer 11 record and transit 8 record, transfer to control processor by signal transceiver 13 and carry out data processing and analysis;
10, measure complete, close sight registering instrument 7, dynamic tension dynamometer 11 and signal transceiver 13 by control processor, finally remove crossing frame, carrier cable 3, impact rope 1 and column 2.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; those of ordinary skill in the field are to be understood that; can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent to replace, these do not depart from any amendment of spirit and scope of the invention or equivalently to replace within the claims that all awaits the reply in application.

Claims (9)

1. actual measured amount device during a tension force, described device comprises tension force and applies frame, crossing frame and measuring system, described tension force applies frame and comprises the column (2) vertically arranged on the same line and the impact rope (1) above arranged at described column (2), the described crossing frame being arranged on described impact rope (1) below comprises the carrier cable (3) be arranged in parallel and the net be movably set between described carrier cable (3), it is characterized in that:
Described impact rope (1) and carrier cable (3) two ends are provided with fixed leg (5) and tension regulator (12) respectively; Described measuring system comprises height-gauge (4), sight registering instrument (7), transit (8) and dynamic tension dynamometer (11);
Described carrier cable (3) serial connection arranges dynamic tension dynamometer (11); The side of described carrier cable (3) sag minimum point is vertically provided with height-gauge (4), opposite side is provided with sight registering instrument (7) and transit (8), and described height-gauge (4) and sight registering instrument (7) are positioned on the same straight line perpendicular to carrier cable (3).
2. actual measured amount device during tension force as claimed in claim 1, it is characterized in that, described net comprises coaster (15), supporting cables (16) and support rope (17), described coaster (15) interval correspondence is arranged on carrier cable (3), along described carrier cable (3) axis direction coaster (15) between be provided with supporting cables (16), be provided with support rope (17) between the coaster (15) perpendicular to described carrier cable (3) axis direction.
3. actual measured amount device during tension force as claimed in claim 2, it is characterized in that, described net is provided with tricing line (14), described tricing line (14) extension pulley (15) slides along carrier cable (3), and after launching net, described tricing line (14) is fixedly connected with carrier cable (3).
4. actual measured amount device during tension force as claimed in claim 3, it is characterized in that, described carrier cable (3), tricing line (14), supporting cables (16) and support rope (17) are Du Pont's silk rope or nylon rope or Di Nima rope or wire rope.
5. actual measured amount device during tension force as claimed in claim 1, it is characterized in that, described impact rope (1) is connected in series successively and arranges traction rope, tension force dynamometer (11), wire release (10), web joint (9) and wire (6); Described traction rope is connected with tension regulator (12), and described wire (6) is connected with fixed leg (5).
6. actual measured amount device during tension force as claimed in claim 5, is characterized in that, the web member that described wire release (10) comprises coil, controller and arranges at its two ends.
7. actual measured amount device during tension force as claimed in claim 1, it is characterized in that, described tension regulator (12) and fixed leg (5) are fixedly installed on level ground respectively.
8. actual measured amount device during tension force as claimed in claim 5, it is characterized in that, described column (2) side is provided with signal transceiver (13) and control processor, described sight registering instrument (7), the data that transit (8) and dynamic tension dynamometer (11) gather transfer to control processor through signal transceiver (13), control signal is transferred to sight registering instrument (7) by signal transceiver (13) by described control processor respectively, transit (8), wire release (10), dynamic tension dynamometer (11) and tension regulator (12).
9. the measuring method of actual measured amount device during tension force, it is characterized in that, described measuring method comprises the steps:
1) on level ground, set up the column (2) along same rectilinear direction vertical spacing arrangement;
2) be connected in series by traction rope, dynamic tension dynamometer (11), wire release (10), web joint (9) and wire (6) top that the impact rope (1) be formed by connecting is arranged on column (2) successively, the one end impacting rope (1) is connected with tension regulator (12), and the other end is connected with fixed leg (5);
3) be positioned at impact rope (1) below and crossing frame is installed, crossing frame symmetria bilateralis installs the carrier cable (3) of serial connection dynamic tension dynamometer (11), one end of carrier cable (3) is connected with tension regulator (12), the other end is connected with fixed leg (5), Netcom is crossed coaster (15) is drawn to carrier cable (3) precalculated position by tricing line (14), and tricing line (14) and carrier cable (3) are fixed;
4) height-gauge (4) is erect in the side of carrier cable (3) sag minimum point, opposite side erection sight registering instrument (7) and transit (8), sight registering instrument (7) and height-gauge (4) are positioned on the same straight line that moves towards perpendicular to carrier cable (3);
5) at column (2) side signalization transceiver (13) and control processor, control processor sets up data cube computation with sight registering instrument (7), transit (8), wire release (10), dynamic tension dynamometer (11) and tension regulator (12) respectively by signal transceiver (13);
6) control tension regulator (12) by the tension force of carrier cable (3), sag adjustment to design load by control processor, carrier cable (3) tension force simultaneously transit (8) and dynamic tension dynamometer (11) transmitted, sag magnitude data carry out record;
7) control tension regulator (12) by control processor and will impact the crack critical value that rope (1) is tensioned to wire release (10), the tension variation data of the impact rope (1) simultaneously transmitted by dynamic tension dynamometer (11) carry out record;
8) sight registering instrument (7) is opened by control processor, then open wire release (10) by control processor and will impact rope (1) disconnection, impact rope (1) after sight registering instrument (7) real time record disconnects drops in net, and makes the process that the sag of carrier cable (3) is subjected to displacement;
9) be subject to impacting rope (1) at the net of crossing frame and carrier cable (3) to impact and cause vibration until in the process eliminated of vibration, the longitude and latitude data of the carrier cable (3) that the tension data of the carrier cable (3) that the data that carrier cable (3) sag that sight registering instrument (7) records above shows at height-gauge (4), dynamic tension dynamometer (11) record and transit (8) record, transfer to control processor by signal transceiver (13) and carry out data processing and analysis;
10) measure complete, close sight registering instrument (7), dynamic tension dynamometer (11) and signal transceiver (13) by control processor, finally remove crossing frame, carrier cable (3), impact rope (1) and column (2).
CN201410317705.6A 2014-07-04 2014-07-04 Actual measured amount device and measuring method thereof during a kind of tension force CN104075836B (en)

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CN105241500B (en) * 2015-10-10 2017-07-28 国家电网公司 A kind of crossing frame state remote-wireless intelligent monitor system
CN107655513A (en) * 2016-07-26 2018-02-02 中国航空工业集团公司西安飞行自动控制研究所 A kind of railway contact line dynamic monitor
CN106289702A (en) * 2016-08-10 2017-01-04 国家电网公司 A kind of mechanical guide wire load discharges suddenly device and the method carrying out crossing frame impact experiment
CN106500945B (en) * 2016-10-20 2020-01-03 中国电力科学研究院 Dynamic mechanical test device for crossing frame
CN107907311B (en) * 2017-07-11 2019-08-06 国网浙江省电力公司湖州供电公司 A kind of wire icing of transmission line unbalanced tensile force test method and system

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US7547843B2 (en) * 2006-12-28 2009-06-16 3M Innovative Properties Company Overhead electrical power transmission line
CN101476954A (en) * 2008-11-13 2009-07-08 山西省电力公司晋中供电分公司 Automatic detection apparatus for rope pull
CN101813538A (en) * 2010-04-16 2010-08-25 深圳市和宏实业有限公司 Portable tension measuring instrument
CN102867399A (en) * 2012-09-07 2013-01-09 浙江工业大学 High-voltage power line stressing and cracking monitoring system based on wireless sensor network
CN203377546U (en) * 2013-08-05 2014-01-01 国家电网公司 High speed railway spanning construction apparatus

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