CN106289019B - Soft generating line sag measurement coaster - Google Patents

Soft generating line sag measurement coaster Download PDF

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Publication number
CN106289019B
CN106289019B CN201610848550.8A CN201610848550A CN106289019B CN 106289019 B CN106289019 B CN 106289019B CN 201610848550 A CN201610848550 A CN 201610848550A CN 106289019 B CN106289019 B CN 106289019B
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CN
China
Prior art keywords
plate
locking
pulley
fixing
mounting
Prior art date
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.)
Active
Application number
CN201610848550.8A
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Chinese (zh)
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CN106289019A (en
Inventor
李�杰
陈会周
斯辉
莫文抗
王文斌
李云
范孝青
彭磊
朱天翔
胡斌
高波
朱兴林
孙正光
李冬
霍道凯
李兵
吴莉
高强
项良祥
孟祥云
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Anhui Transmission And Transformation Engineering Co ltd
Anhui Hongyuan Electric Power Construction Investment Co ltd
State Grid Corp of China SGCC
Original Assignee
Anhui Transmission And Transformation Engineering Co ltd
Anhui Hongyuan Electric Power Construction Investment Co ltd
State Grid Corp of China SGCC
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Application filed by Anhui Transmission And Transformation Engineering Co ltd, Anhui Hongyuan Electric Power Construction Investment Co ltd, State Grid Corp of China SGCC filed Critical Anhui Transmission And Transformation Engineering Co ltd
Priority to CN201610848550.8A priority Critical patent/CN106289019B/en
Publication of CN106289019A publication Critical patent/CN106289019A/en
Application granted granted Critical
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/02Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods 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 flexible bus sag measurement pulley. The invention comprises a mounting and fixing mechanism, a sliding mechanism, a locking mechanism and a measuring traction rope; the mounting and fixing mechanism is used for mounting the pulley on the soft bus; the sliding mechanism and the locking mechanism are both arranged on the mounting and fixing mechanism; the sliding mechanism is used for sliding the pulley along the flexible bus; the locking mechanism is used for opening and closing the mounting and fixing mechanism, and the mounting and fixing mechanism and the locking mechanism jointly enclose a closed area for the flexible bus to pass through; the measuring traction rope is used for drawing the pulley to move and measuring the sag of the flexible bus. The tackle can automatically slide to the bus sag under the action of self gravity, and a measurer can obtain a sag value by reading a reading on a measuring traction rope on the ground, so that the measurer does not need to work high above the ground, and the measuring operation is efficient and accurate. When the pulley slides down from the bus, the measurement haulage rope can be released through the damping device and control, so that the pulley is slowly placed on the ground, and the pulley is prevented from falling at a high speed.

Description

Soft generating line sag measurement coaster
Technical Field
The invention relates to the technical field of high-voltage power transformation, in particular to a flexible bus sag measurement pulley.
Background
The flexible bus in the transformer substation is only suspended and fixed by hardware fittings at wire hanging points at two ends, factors such as expansion and contraction of heat and contraction of cold of a lead, windage yaw and the like need to be considered during manufacturing and installation, and the degree of tightness and radian of the erected flexible bus are appropriate. Therefore, the sag value of the soft bus is a key parameter for judging the construction quality of the bus, and is related to the operation safety of the transformer substation after operation. As shown in fig. 1, the so-called sag is a curve formed by hanging down a wire between points of a frame hanging wire due to the weight and stress of the wire after the wire is erected, and the vertical distance f between the lowest point of the curve and an ideal horizontal wire is called sag (also called sag).
In the past, a steel tape is generally used for directly measuring the sag, an overhead working truck is needed to send personnel to the lowest point of the sag of the flexible bus, and the steel tape is used for measuring the distance between the personnel and a ground reference object. The diagonal method of the floral rod requires personnel to mount the flexible bus framework for visual inspection, and the error is large.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the flexible bus sag measurement pulley, and workers can complete the measurement of the bus sag on the ground without working aloft.
In order to solve the problems, the invention adopts the following technical scheme:
a flexible bus sag measurement pulley comprises a mounting and fixing mechanism, a sliding mechanism, a locking mechanism and a measurement traction rope; the mounting and fixing mechanism is used for mounting the pulley on the soft bus; the sliding mechanism and the locking mechanism are both arranged on the mounting and fixing mechanism; the sliding mechanism is used for sliding the pulley along the flexible bus; the locking mechanism is used for opening and closing the mounting and fixing mechanism, and the mounting and fixing mechanism and the locking mechanism jointly enclose a closed area for the flexible bus to pass through; the measuring traction rope is used for drawing the pulley to move and measuring the sag of the flexible bus.
Preferably, installation fixed establishment is the frame form, and installation fixed establishment includes curb plate I and curb plate II, curb plate II includes top board and lower curb plate, rotate between top board and the lower curb plate and be connected, blocked mechanical system sets up between lower curb plate and curb plate I.
Furthermore, one end of the locking mechanism is hinged with the side plate I, and the other end of the locking mechanism is in clamping fit with the lower side plate; the measuring traction rope is sequentially inserted into the lower side plate and the locking mechanism, and the mounting and fixing mechanism is in a closed state due to clamping of the lower side plate and the locking mechanism or in an open state due to separation of the lower side plate and the locking mechanism.
Preferably, the locking mechanism comprises an opening plate and a locking plate which are integrated, and the opening plate and the locking plate are rotatably connected with the side plate I; a clamping head convenient to be clamped with the groove on the lower side plate is arranged at the clamping end of the locking plate, and an elastic mechanism enabling the clamping head to be tightly clamped with the groove is arranged between the locking plate and the side plate I; open and seted up through-hole I on the board, through-hole II has been seted up on the curb plate down, the head end of measuring the haulage rope passes through-hole I and through-hole II in proper order and stretches out in the outside of curb plate down, measures the haulage rope head end and installs and to dismantle the fixed block, it is provided with in one side that is close to through-hole I to be convenient for measure the haulage rope and carries out the tractive and make to open the board and drive the supplementary piece of locking board pivoted to open the haulage rope.
Preferably, an elastic mechanism which enables the clamping head to be tightly clamped with the groove is arranged between the upper side plate and the lower side plate.
Furthermore, the elastic mechanism is a spring hinge or a torsion spring, and the elastic direction of the elastic mechanism arranged between the upper side plate and the lower side plate enables the lower side plate to have a tendency of rotating towards the outer side of the closed area.
Preferably, the sliding mechanism comprises a pulley, and the pulley is arranged between the side plate I and the upper side plate.
Further preferably, the pulley is a nylon pulley.
Preferably, the measuring traction rope is provided with a scale.
Preferably, the tackle is provided with a speed reduction damping device, and the measuring traction rope penetrates through the speed reduction damping device to be connected with the installation fixing mechanism and/or the locking mechanism.
The invention has the beneficial effects that:
1) by adopting the measuring pulley, the measurement of the sag of the bus can be completed on the ground without working aloft.
2) The coaster can be under the effect of self gravity, and the bus arc hangs down the minimum point position automatically, and survey crew directly reads the reading on measuring the haulage rope subaerial, can obtain the arc value of hanging down, measures more accurately.
3) When the pulley slides down from the bus, the measuring traction rope can be released through the damping device and the control, so that the pulley is slowly placed on the ground, and the pulley is prevented from falling at a high speed.
4) The width between the side plate I and the side plate II can be preferably designed to be 40mm, the side plate I and the side plate II are suitable for LGJ-800/100 and below section buses in a transformer substation, and the standard of the conventional transformer substation bus is basically covered.
Drawings
Fig. 1 is a schematic view of the sag length of a conductor after installation.
Fig. 2 is a schematic structural view of the tackle for measuring sag in the invention.
Fig. 3 is a schematic structural diagram of the present invention.
The reference numerals have the following meanings:
10-measuring traction rope 11-detachable fixed block 12-auxiliary block
20-mounting and fixing mechanism 21-side plate II 211-upper side plate 212-lower side plate
2121-through hole II 22-side plate I
30-locking mechanism 31-opening plate 311-through hole I32-locking plate 321-chuck
40-pulley
50-spring hinge
60-flexible bus
Detailed Description
The technical solution of the present invention is clearly and completely described below with reference to the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 3, the flexible busbar sag measuring tackle comprises a mounting and fixing mechanism 20, a sliding mechanism, a locking mechanism 30 and a measuring traction rope 10; the mounting and fixing mechanism 20 is used for mounting the pulley on the flexible bus 60; the sliding mechanism and the locking mechanism 30 are both arranged on the mounting and fixing mechanism 20; the sliding mechanism is used for sliding the pulley along the flexible bus 60; the locking mechanism 30 is used for opening and closing the installation fixing mechanism 20, and the installation fixing mechanism 20 and the locking mechanism 30 together enclose an enclosed area through which the flexible bus bar 60 passes; the measuring traction rope 10 is used for traction tackle movement and measuring sag of the flexible bus 10.
As shown in fig. 3, the mounting and fixing mechanism 20 is in a frame shape, the mounting and fixing mechanism 20 includes a side plate i 22 and a side plate ii 21, the side plate ii 21 includes an upper side plate 211 and a lower side plate 212, the upper side plate 211 and the lower side plate 212 are rotatably connected, and the locking mechanism 30 is disposed between the lower side plate 212 and the side plate i 22.
Of course, the mounting and fixing mechanism 20 may have a square frame shape as shown in fig. 3, or may have another shape such as a triangular shape.
One end of the locking mechanism 30 is hinged with the side plate I22, and the other end of the locking mechanism 30 is in clamping fit with the lower side plate 212; the measuring traction rope 10 is inserted in the lower side plate 212 and the locking mechanism 30 in sequence, and the installation fixing mechanism 20 is in a closed state due to the clamping of the lower side plate 212 and the locking mechanism 30 or in an open state due to the disengagement of the lower side plate 212 and the locking mechanism 30.
As shown in fig. 3, the locking mechanism 30 includes an opening plate 31 and a locking plate 32 which are integrally formed, and the opening plate 31 and the locking plate 32 are rotatably connected with the side plate i 22; a clamping head 321 which is convenient to clamp the groove on the lower side plate 212 is arranged at the clamping end of the locking plate 32, and an elastic mechanism (not shown in the figure) which enables the clamping head 321 and the groove to be tightly clamped together is arranged between the locking plate 32 and the side plate I22; open and seted up through-hole I311 on the board 31, through-hole II 2121 has been seted up on the curb plate 212 down, the head end of measuring haulage rope 10 passes through-hole I311 and through-hole II 2121 in proper order and stretches out in the outside of curb plate 212 down, and it installs detachable fixed block 11 to measure haulage rope 10 head end, it is provided with in one side that is close to through-hole I311 to be convenient for measure haulage rope 10 and carries out the tractive and make to open board 31 and drive locking board 32 pivoted auxiliary block 12 to open the haulage rope 10 to measure.
An elastic mechanism which enables the clamping head 321 to be tightly clamped with the groove is also arranged between the upper side plate 211 and the lower side plate 212.
The elastic mechanism is a spring hinge 50 or a torsion spring, and the elastic direction of the elastic mechanism arranged between the upper side plate 211 and the lower side plate 212 makes the lower side plate 212 tend to rotate towards the outside of the closed area. Because an elastic mechanism (the trend that the locking plate 32 rotates towards the side plate II 21 due to the elastic direction of the elastic mechanism) is also arranged between the locking plate 32 and the side plate I22, the two elastic mechanisms act with each other, and when the locking plate 32 and the lower side plate 212 are clamped together, the locking plate 32 and the lower side plate 212 are clamped tightly.
The sliding mechanism comprises a pulley 40, and the pulley 40 is arranged between the side plate I22 and the upper side plate 211. The pulley 40 in fig. 3 is a nylon pulley.
After the pulley is sleeved on the flexible bus 60, as shown in fig. 3, the pulley 40 on the pulley is arranged above the flexible bus 60. Under the action of gravity, the tackle can move from the self-running direction to the lowest point of the sag (namely, the pulley 40 rolls to the lowest point of the wire along the wire) by utilizing the radian of the sag, and the ground personnel can measure the sag by utilizing the measuring traction rope 10 which is hung down. If the sheave 40 of the trolley is not rolling smoothly, a worker standing on the ground may pull the measuring hauling cable 10 diagonally in front of the movement of the trolley. In order to ensure the normal operation of the locking mechanism 30, the length of the rope between the detachable fixed block 11 and the auxiliary block 12 is set to be equal to or slightly longer than the length between the through hole I311 and the through hole II 2121 in the closed state; namely, when a worker standing on the ground obliquely pulls the measuring hauling cable 10, and the auxiliary block 12 is in contact with the through hole I311, the detachable fixed block 11 is in contact with or not in contact with the through hole II 2121, and the force is obliquely applied by the measuring hauling cable, so that the mounting and fixing mechanism 20 is not opened, even if the locking plate 32 slightly rotates downwards under the pushing of the auxiliary block 12, the detachable fixed block 11 is immediately in contact with the through hole II 2121, so that the lower side plate 212 cannot be bounced, and the mounting and fixing mechanism 20 still keeps in a closed state in the downward moving process.
The measuring traction rope 10 is provided with scales so as to be convenient for measuring the distance between the measuring traction rope 10 and the ground.
The tackle is further provided with a deceleration damping device (not shown in the figures), and the measuring hauling cable 10 passes through the deceleration damping device to be connected with the installation fixing mechanism 20 and/or the locking mechanism 30.
The operation of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2, when the flexible bus bar 60 is installed, the trolley is installed on the flexible bus bar 60 and is lifted up together with the flexible bus bar 60. After the flexible bus 60 is hung, the tackle moves to the lowest point of the sag of the flexible bus 60 by using the self gravity, and when the movement resistance of the tackle is large, the measuring traction rope 10 can be used for guiding the tackle to move. The measurer can directly read the reading on the measuring traction rope 10 on the ground according to a certain reference object, so that the distance L1 between the tackle and the ground can be obtained, and the sag f of the flexible bus 60 can be accurately obtained according to the vertical height of the wire hanging frame.
After the measurement is finished, the measurement hauling cable 10 is pulled downwards, the auxiliary block 12 on the measurement hauling cable 10 applies force to the opening plate 31 at the moment, the opening plate 31 is stressed to drive the locking plate 32 to rotate downwards, so that the locking plate 32 and the lower side plate 212 are separated from each other, the lower side plate 212 is turned upwards under the action of the elastic mechanism, the installation and fixing mechanism is in an unlocking state, namely an opening state, and the pulley is turned around the soft bus 60 integrally. At the moment, the pulley slowly falls down by loosening the measuring traction rope 10 and measuring the action of the traction rope through the speed reducing damping device; after the pulley is placed on the ground, the detachable fixing block 11 at the head end of the measuring pulling rope 10 is loosened, the measuring pulling rope 10 and the pulley are recovered, and the sag measuring work is completed.

Claims (5)

1. The utility model provides a soft generating line sag measures coaster which characterized in that: comprises a mounting and fixing mechanism (20), a sliding mechanism, a locking mechanism (30) and a measuring traction rope (10); the mounting and fixing mechanism (20) is used for mounting the pulley on the flexible bus (60); the sliding mechanism and the locking mechanism (30) are both arranged on the mounting and fixing mechanism (20); the sliding mechanism is used for sliding the pulley along the flexible bus (60); the locking mechanism (30) is used for opening and closing the installation fixing mechanism (20), and the installation fixing mechanism (20) and the locking mechanism (30) jointly enclose an enclosed area through which the flexible bus bar (60) passes; the measuring traction rope (10) is used for drawing the pulley to move and measuring the sag of the flexible bus (10);
the mounting and fixing mechanism (20) is in a frame shape, the mounting and fixing mechanism (20) comprises a side plate I (22) and a side plate II (21), the side plate II (21) comprises an upper side plate (211) and a lower side plate (212), the upper side plate (211) is rotatably connected with the lower side plate (212), and the locking mechanism (30) is arranged between the lower side plate (212) and the side plate I (22);
one end of the locking mechanism (30) is hinged with the side plate I (22), and the other end of the locking mechanism (30) is in clamping fit with the lower side plate (212); the measuring traction rope (10) is sequentially inserted into the lower side plate (212) and the locking mechanism (30), and the mounting and fixing mechanism (20) is in a closed state due to clamping of the lower side plate (212) and the locking mechanism (30) or in an open state due to disengagement of the lower side plate (212) and the locking mechanism (30);
the locking mechanism (30) comprises an opening plate (31) and a locking plate (32) which are integrated, and the opening plate (31) and the locking plate (32) are rotatably connected with the side plate I (22); a clamping head (321) which is convenient to clamp the groove on the lower side plate (212) is arranged at the clamping end of the locking plate (32), and an elastic mechanism which enables the clamping head (321) to be tightly clamped with the groove is arranged between the locking plate (32) and the side plate I (22); the opening plate (31) is provided with a through hole I (311), the lower side plate (212) is provided with a through hole II (2121), the head end of the measuring traction rope (10) sequentially penetrates through the through hole I (311) and the through hole II (2121) and extends out of the outer side of the lower side plate (212), a detachable fixed block (11) is installed at the head end of the measuring traction rope (10), and an auxiliary block (12) which is convenient for the measuring traction rope (10) to pull the opening plate (31) and enables the opening plate (31) to drive the locking plate (32) to rotate is arranged on one side, close to the through hole I (311), of the measuring traction rope (10);
an elastic mechanism which enables the clamping head (321) and the groove to be tightly clamped together is also arranged between the upper side plate (211) and the lower side plate (212); the elastic mechanism is a spring hinge or a torsion spring, and the lower side plate (212) tends to rotate towards the outer side of the closed area due to the elastic direction of the elastic mechanism arranged between the upper side plate (211) and the lower side plate (212).
2. The flexible busbar sag measurement tackle according to claim 1, wherein: the sliding mechanism comprises a pulley (40), and the pulley (40) is arranged between the side plate I (22) and the upper side plate (211).
3. The flexible busbar sag measurement tackle according to claim 2, wherein: the pulley (40) is a nylon pulley.
4. The flexible busbar sag measurement tackle according to claim 1, wherein: the measuring traction rope (10) is provided with scales.
5. The flexible busbar sag measurement tackle according to claim 1, wherein: the pulley is provided with a speed reduction damping device, and the measuring traction rope (10) passes through the speed reduction damping device to be connected with the installation fixing mechanism (20) and/or the locking mechanism (30).
CN201610848550.8A 2016-09-23 2016-09-23 Soft generating line sag measurement coaster Active CN106289019B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610848550.8A CN106289019B (en) 2016-09-23 2016-09-23 Soft generating line sag measurement coaster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610848550.8A CN106289019B (en) 2016-09-23 2016-09-23 Soft generating line sag measurement coaster

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Publication Number Publication Date
CN106289019A CN106289019A (en) 2017-01-04
CN106289019B true CN106289019B (en) 2021-01-08

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Application Number Title Priority Date Filing Date
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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107101551B (en) * 2017-04-05 2019-05-21 国网江西省电力公司电力科学研究院 A kind of distribution line measurement of length method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203657788U (en) * 2013-12-30 2014-06-18 北京慧峰仁和科技股份有限公司 Suspension device of overhead power transmission line radian tester
CN203785626U (en) * 2014-01-28 2014-08-20 广东工业大学 Separated type slide vehicle apparatus for absolute grating ruler
CN204030436U (en) * 2014-08-26 2014-12-17 国家电网公司 Cable sag measuring appliance
CN104819695B (en) * 2015-04-15 2018-06-05 三峡大学 Power transmission line sag measuring system based on infrasound principle
CN205403653U (en) * 2015-10-30 2016-07-27 国网山东省电力公司淄博供电公司 Transmission tower wire jumper arc measuring tool that hangs down
CN105371725A (en) * 2015-10-30 2016-03-02 国网山东省电力公司东营供电公司 Combined-type arc sag measurement device and method
CN206131938U (en) * 2016-09-23 2017-04-26 安徽宏源电力建设投资有限公司 Soft generating line arc measurement coaster that hangs down

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Address after: 231201 No. 590 prosperous West Road, Anhui, Hefei

Applicant after: ANHUI HONGYUAN ELECTRIC POWER CONSTRUCTION INVESTMENT Co.,Ltd.

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Inventor after: Li Jie

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