CN110635387A - Power line tight line balance measuring device - Google Patents
Power line tight line balance measuring device Download PDFInfo
- Publication number
- CN110635387A CN110635387A CN201810647192.3A CN201810647192A CN110635387A CN 110635387 A CN110635387 A CN 110635387A CN 201810647192 A CN201810647192 A CN 201810647192A CN 110635387 A CN110635387 A CN 110635387A
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- China
- Prior art keywords
- wire
- sag
- wedge
- measuring instrument
- value
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000005491 wire drawing Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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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
Abstract
The invention relates to a power line tight balance measuring device, which consists of a wire clamp, a sag gauge and a tight device, wherein the wire clamp is connected with a moving rod of the sag gauge; the fixing ring of the wire drawing hook sag measuring instrument of the wire tightening device is connected with the fixing ring; the wire clamp is a wire clamping device with a wedge-shaped structure; the sag measuring instrument is a sag measuring instrument which can automatically convert a sag value into a sag value through inputting the distance between towers, the wire diameter, the environmental temperature value and the wire tension measured in the wire tightening process and display the sag value through a display device; the wire clamp is of a wedge-shaped structure, so that the installation and the disassembly are convenient, and the wire clamp is more and more tightened, so that the wire cannot move in the wire tightening process; the sag measuring instrument is arranged, so that the design requirement of the circuit sag can be met while the sag of each wire is ensured to be consistent, and the measurement is convenient; because of simple, safe and reliable and convenient use, the utility model has great practical and popularization value.
Description
Technical Field
The invention relates to a device for erecting a power transmission line, in particular to a device for measuring the stringing balance of a power line.
Background
Through searching related patent documents, a power line stringing balance measuring device with the same structure as the power line stringing balance measuring device has not been searched. The sag of a wire is highly required in the process of erecting a power transmission line, if the sag of the wire between two towers is inconsistent, the wire is broken and grounded due to the fact that the stress of the wire exceeds an allowable value when the sag is too large or too small, even the tower structure for erecting the wire is damaged or a wind blowing cycloid causes an interphase short circuit, so that the occurrence of a trip and power failure severe accident occurs, the safe and stable operation of an overhead line is seriously threatened, the existing judgment on the sag of the overhead wire generally depends on the experience of a constructor, and the judgment is carried out by visual inspection of staff under the tower, so that a stringing balance measuring device is necessary to be designed, the sag value of the wire can be measured in the process of stringing the wire, the sag of the wire between the two towers is ensured to be constant, and the design requirement on the sag of the wire.
Disclosure of Invention
The invention aims to provide a power line stringing balance measuring device which is simple in structure, convenient to operate and use and capable of measuring a sag value of a lead between two towers.
The invention is technically characterized in that: the device is designed into a power line tight line balance measuring device consisting of a wire clamp, a sag gauge and a tight line device on the basis of considering simple structure, convenient use, safety and reliability, wherein the wire clamp is connected with a moving rod of the sag gauge; the stay wire hook of the wire tightening device is connected with the fixed ring buckle of the sag gauge, and the fixed plate of the wire tightening device is connected with the tower through a bolt; the wire clamp is a wire clamping device with a wedge-shaped structure; the sag measuring instrument is a sag measuring instrument which can automatically convert a sag value into a sag value through inputting the distance between towers, the wire diameter, the environmental temperature value and the wire tension measured in the wire tightening process and display the sag value through a display device; the wire tightening device is of a ratchet structure.
The wire clamp comprises a shell and a wedge-shaped sandwich, wherein the shell is formed by symmetrically combining two halves, a wedge-shaped groove matched with the wedge-shaped sandwich is formed in the shell, the wedge-shaped sandwich is formed by combining two symmetrical wedge-shaped bodies, and a wire guide groove is formed between the combining surfaces.
The sag measuring instrument consists of a shell, a moving rod, a fixed ring buckle, a tension sensor, a measuring and converting module, a display module, an input module and a power supply, wherein the fixed ring buckle is fixedly arranged on the shell, and the moving rod is connected with the tension sensor; the measuring and converting module is respectively connected with the tension sensor, the display module, the input module and the power supply through data lines.
The wire tightening device consists of a frame body, a fixing plate, a ratchet wheel, an operating rod, a wire pulling drum and a wire pulling hook, wherein the fixing plate is fixedly arranged on the frame body, and the ratchet wheel is fixedly arranged on the side surface of the wire pulling drum; the operating rod is provided with a pawl matched with the ratchet wheel; the ratchet wheel, the operating rod and the stay wire winding drum are arranged on the frame body through the shaft; the pull wire hook is connected with a pull wire on the pull wire winding drum.
When in use, the wire clamp is clamped on a wire to be tensioned, the wire clamp with the clamped wire is connected with a moving rod of the sag gauge, a wire pulling hook on the wire tensioning device is pulled to pull out a pulling wire on a wire pulling drum, the wire pulling hook on the pulling wire hooks a fixing ring on the sag gauge, a fixing plate of the wire tensioning device is fixed with a tower through a bolt, the distance between two towers of the wire to be tensioned, the diameter of the wire and the temperature value of the environment are input on the sag gauge, finally an operating rod on the wire tensioning device is pulled, the pulling wire is wound on the wire pulling drum under the action of a ratchet mechanism, the wire is gradually tightened, a tension sensor on the sag gauge transmits a tension value to a measuring and converting module in the wire tensioning process, the measuring and converting module converts the tension value into a sag value according to the input distance between the two towers, the diameter of the wire and the temperature of the environment, and displays the sag value through a module on the sag, at the moment, when the worker pulls the handle once, the sag value on the sag measuring instrument changes until the sag value on the sag measuring instrument reaches the line design sag value, and finally, the conductor reaching the sag value is fixed on the tower.
The invention has the advantages that: the wire clamp is of a wedge-shaped structure, so that the installation and the disassembly are convenient, and the wire clamp is more and more tightened, so that the wire cannot move in the wire tightening process; the sag measuring instrument is arranged, so that the design requirement of the circuit sag can be met while the sag of each wire is ensured to be consistent, the measurement is convenient, and the operation of constructors is convenient; the wire tightening device with the ratchet mechanism is arranged, so that the wire tightening operation is easier; because of simple, safe and reliable and convenient use, the utility model has great practical and popularization value.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a power line stringing balance measuring device according to the present invention;
FIG. 2 is a schematic structural diagram of a sag gauge of a power line stringing balance measuring device according to the present invention;
FIG. 3 is a schematic structural diagram of a wire clamp of the electric power line tightening balance measuring device of the invention;
FIG. 4 is a schematic structural diagram of a tightening device of a tightening balance measuring device for an electric power line according to the present invention;
fig. 5 is a schematic view of the structure of fig. 4 in the direction of a.
Detailed Description
Referring to the attached drawings 1, 2, 3, 4 and 5, the invention relates to a power line tight balance measuring device, which comprises a wire clamp 1, a sag gauge 2 and a tight device 3, wherein the wire clamp 1 is connected with a moving rod 22 of the sag gauge 2; the wire drawing hook 36 of the wire tightening device 3 is connected with the fixed ring buckle 23 of the sag measuring instrument 2, and the fixed plate 32 of the wire tightening device 3 is connected with a tower through a bolt; the wire clamp 1 is a wire clamping device with a wedge-shaped structure; the sag measuring instrument 2 is a sag measuring instrument which can automatically convert a sag value into a sag value through inputting the distance between towers, the wire diameter, the environmental temperature value and the wire tension measured in the wire tightening process and display the sag value through a display device; the wire tightening device 3 is a wire tightening device with a ratchet structure; the wire clamp 1 consists of a shell 11 and a wedge-shaped sandwich 12, wherein the shell 11 is formed by symmetrically combining two halves, a wedge-shaped groove matched with the wedge-shaped sandwich 12 is formed in the shell, the wedge-shaped sandwich 12 is formed by combining two symmetrical wedge-shaped bodies, and a wire guide groove is formed between the combining surfaces; the sag measuring instrument 2 consists of a shell 21, a moving rod 22, a fixed buckle 23, a tension sensor 24, a measuring and converting module 25, a display module 26, an input module 27 and a power supply 28, wherein the fixed buckle 23 is fixedly arranged on the shell 21, and the moving rod 22 is connected with the tension sensor 24; the measurement and conversion module 25 is respectively connected with the tension sensor 24, the display module 26, the input module 27 and the power supply 28 through data lines; the wire tightening device 3 comprises a frame body 31, a fixing plate 32, a ratchet wheel 33, an operating rod 34, a wire pulling drum 35 and a wire pulling hook 36, wherein the fixing plate 32 is fixedly arranged on the frame body 31, and the ratchet wheel 33 is fixedly arranged on the side surface of the wire pulling drum 35; a pawl matched with the ratchet wheel 33 is arranged on the operating rod 34; the ratchet wheel 33, the operating rod 34 and the wire pulling drum 35 are arranged on the frame body 31 through shafts; the wire hook 36 is connected to the wire on the wire drum 35.
Claims (4)
1. The utility model provides a balanced measuring device of tight line of power line, comprises fastener (1), sag measurement appearance (2), tightwire device (3), its characterized in that: the wire clamp (1) is connected with a moving rod (22) of the sag measuring instrument (2); a wire drawing hook (36) of the wire tightening device (3) is connected with a fixed ring buckle (23) of the sag measuring instrument (2), and a fixed plate (32) of the wire tightening device (3) is connected with a tower through a bolt; the wire clamp (1) is a wire clamping device with a wedge-shaped structure; the sag measuring instrument (2) is a sag measuring instrument which can automatically convert a sag value into a sag value through inputting the distance between towers, the wire diameter, the ambient temperature value and the wire tension measured in the wire tightening process and display the sag value through a display device; the wire tightening device (3) is of a ratchet structure.
2. The electric power line stringing balance measuring device according to claim 1, wherein: the wire clamp (1) consists of a shell (11) and a wedge-shaped sandwich (12), wherein the shell (11) is formed by symmetrically combining two halves, a wedge-shaped groove matched with the wedge-shaped sandwich (12) is formed in the shell, the wedge-shaped sandwich (12) is formed by combining two symmetrical wedge-shaped bodies, and a wire guide groove is formed between the combining surfaces.
3. The electric power line stringing balance measuring device according to claim 1, wherein: the sag measuring instrument (2) consists of a shell (21), a moving rod (22), a fixed buckle (23), a tension sensor (24), a measuring and converting module (25), a display module (26), an input module (27) and a power supply (28), wherein the fixed buckle (23) is fixedly arranged on the shell (21), and the moving rod (22) is connected with the tension sensor (24); the measuring and converting module (25) is respectively connected with the tension sensor (24), the display module (26), the input module (27) and the power supply (28) through data lines.
4. The electric power line stringing balance measuring device according to claim 1, wherein: the wire tightening device (3) consists of a frame body (31), a fixing plate (32), a ratchet wheel (33), an operating rod (34), a wire pulling reel (35) and a wire pulling hook (36), wherein the fixing plate (32) is fixedly arranged on the frame body (31), and the ratchet wheel (33) is fixedly arranged on the side surface of the wire pulling reel (35); a pawl matched with the ratchet wheel (33) is arranged on the operating rod (34); the ratchet wheel (33), the operating rod (34) and the wire pulling drum (35) are arranged on the frame body (31) through shafts; the wire drawing hook (36) is connected with the drawing wire on the drawing wire winding drum (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647192.3A CN110635387A (en) | 2018-06-22 | 2018-06-22 | Power line tight line balance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647192.3A CN110635387A (en) | 2018-06-22 | 2018-06-22 | Power line tight line balance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110635387A true CN110635387A (en) | 2019-12-31 |
Family
ID=68967584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810647192.3A Pending CN110635387A (en) | 2018-06-22 | 2018-06-22 | Power line tight line balance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110635387A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345521Y (en) * | 2009-02-05 | 2009-11-11 | 重庆市电力公司江北供电局 | Drooping radian regulator |
| CN202204614U (en) * | 2011-08-25 | 2012-04-25 | 王孝敬 | Monitoring device for measuring lead wire sag and lead wire temperature of overhead transmission line |
| CN202817611U (en) * | 2012-10-15 | 2013-03-20 | 冀州市电力公司 | Bidirectional wire tightener |
| CN203218833U (en) * | 2013-04-26 | 2013-09-25 | 西安联瑞科技实业有限责任公司 | High polymer material wedge-shaped strain clamp |
| CN203377569U (en) * | 2013-08-20 | 2014-01-01 | 国家电网公司 | Wedge-shaped strain clamp |
| CN204030436U (en) * | 2014-08-26 | 2014-12-17 | 国家电网公司 | Cable sag measuring appliance |
| CN104332897A (en) * | 2014-11-10 | 2015-02-04 | 国家电网公司 | Two-end wire fastening device for construction of power lines |
| CN105203032A (en) * | 2015-09-22 | 2015-12-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Transmission line wires distributed arc sag monitoring device and method |
| CN105403158A (en) * | 2015-12-04 | 2016-03-16 | 西安兆腾测控技术有限公司 | High-precision power transmission line sag measurement apparatus and measurement method |
| CN106225637A (en) * | 2016-06-07 | 2016-12-14 | 国网山东省电力公司临朐县供电公司 | A kind of sag observation bar and observation procedure thereof |
| CN107358020A (en) * | 2017-05-31 | 2017-11-17 | 国网江西省电力公司电力科学研究院 | A kind of excessive distribution wire stringing length calculation method of sag |
| CN207150120U (en) * | 2017-06-16 | 2018-03-27 | 国家电网公司 | Strain clamp |
| CN208401406U (en) * | 2018-06-22 | 2019-01-18 | 国网江苏省电力有限公司如皋市供电分公司 | A kind of power circuit stringing balance measuring device |
-
2018
- 2018-06-22 CN CN201810647192.3A patent/CN110635387A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345521Y (en) * | 2009-02-05 | 2009-11-11 | 重庆市电力公司江北供电局 | Drooping radian regulator |
| CN202204614U (en) * | 2011-08-25 | 2012-04-25 | 王孝敬 | Monitoring device for measuring lead wire sag and lead wire temperature of overhead transmission line |
| CN202817611U (en) * | 2012-10-15 | 2013-03-20 | 冀州市电力公司 | Bidirectional wire tightener |
| CN203218833U (en) * | 2013-04-26 | 2013-09-25 | 西安联瑞科技实业有限责任公司 | High polymer material wedge-shaped strain clamp |
| CN203377569U (en) * | 2013-08-20 | 2014-01-01 | 国家电网公司 | Wedge-shaped strain clamp |
| CN204030436U (en) * | 2014-08-26 | 2014-12-17 | 国家电网公司 | Cable sag measuring appliance |
| CN104332897A (en) * | 2014-11-10 | 2015-02-04 | 国家电网公司 | Two-end wire fastening device for construction of power lines |
| CN105203032A (en) * | 2015-09-22 | 2015-12-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Transmission line wires distributed arc sag monitoring device and method |
| CN105403158A (en) * | 2015-12-04 | 2016-03-16 | 西安兆腾测控技术有限公司 | High-precision power transmission line sag measurement apparatus and measurement method |
| CN106225637A (en) * | 2016-06-07 | 2016-12-14 | 国网山东省电力公司临朐县供电公司 | A kind of sag observation bar and observation procedure thereof |
| CN107358020A (en) * | 2017-05-31 | 2017-11-17 | 国网江西省电力公司电力科学研究院 | A kind of excessive distribution wire stringing length calculation method of sag |
| CN207150120U (en) * | 2017-06-16 | 2018-03-27 | 国家电网公司 | Strain clamp |
| CN208401406U (en) * | 2018-06-22 | 2019-01-18 | 国网江苏省电力有限公司如皋市供电分公司 | A kind of power circuit stringing balance measuring device |
Non-Patent Citations (1)
| Title |
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