CN109489624B - Power transmission line jumper sag measuring device - Google Patents
Power transmission line jumper sag measuring device Download PDFInfo
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- CN109489624B CN109489624B CN201811530306.2A CN201811530306A CN109489624B CN 109489624 B CN109489624 B CN 109489624B CN 201811530306 A CN201811530306 A CN 201811530306A CN 109489624 B CN109489624 B CN 109489624B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000000670 limiting effect Effects 0.000 claims description 25
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention discloses a power transmission line jumper sag measuring device which comprises a fixed sleeve, a telescopic positioning mechanism and a measuring mechanism, wherein an operating rod is arranged on the outer side wall of the fixed sleeve, two square sliding grooves are arranged on the inner side wall of the fixed sleeve, and a through hole penetrating through the upper side and the lower side of the fixed sleeve is arranged in the middle of the fixed sleeve; the telescopic positioning mechanism comprises a storage battery, a driving motor, a driving wheel, a sliding rod and a clamping mechanism, and the measuring mechanism comprises a threaded pipe, a threaded rod and a balancing weight. The measuring device is simple to operate, the two clamping mechanisms can be used for realizing the accurate positioning of the sliding rod at the two ends of the jumper, and the threaded pipe and the threaded rod can freely droop under the action of gravity, so that the accurate measurement of the sag of the jumper can be favorably realized.
Description
Technical Field
The invention relates to a device for measuring the sag of a jumper wire of a power transmission line.
Background
In the acceptance of a newly-built line or the wind deflection prevention transformation construction of an old line, in order to prevent the occurrence of the discharging accident of a jumper wire to a tower or a cross arm caused by local convection weather, the distance of the jumper wire sag of a transmission tower needs to be accurately measured, so that whether the distance meets the safe operation requirement of the line is judged.
In prior art, to the measurement of the last wire jumper sag of transmission tower, generally, wherein alone goes down the wire below through the cat ladder, utilizes the insulator spindle to connect the wire jumper both ends, and alone in addition utilizes the measuring stick to measure on the insulator, and whole measurement process operation is comparatively loaded down with trivial details, and the insulator spindle both ends are poor at the positioning accuracy at wire jumper both ends, lead to final measurement accuracy relatively poor.
Disclosure of Invention
The invention aims to provide a transmission line jumper sag measuring device which is simple to operate, two clamping mechanisms are utilized to realize accurate positioning of a sliding rod at two ends of a jumper, and a threaded pipe and a threaded rod freely sag under the action of gravity, so that accurate measurement of the jumper sag can be realized.
The technical scheme adopted by the invention for solving the technical problems is as follows: a power transmission line jumper sag measuring device comprises a fixed sleeve, a telescopic positioning mechanism and a measuring mechanism, wherein an operating rod distributed along the vertical radius direction of the fixed sleeve is arranged on the outer side wall of the fixed sleeve, two square sliding grooves which are symmetrical oppositely and distributed along the axis direction of the fixed sleeve are arranged on the inner side wall of the fixed sleeve, the operating rod is mutually vertical to the upper plane of each square sliding groove, and a through hole penetrating through the upper side and the lower side of the fixed sleeve is arranged in the middle of the fixed sleeve; the telescopic positioning mechanism comprises a storage battery, a driving motor, a driving wheel, sliding rods and a clamping mechanism, wherein the two sliding rods are respectively clamped in the corresponding two square sliding grooves, the two opposite side walls of the sliding rods are respectively provided with a transmission gear, the driving wheel is arranged in the fixed sleeve, the driving wheel is clamped between the two sliding rods, the storage battery and the driving motor are both arranged at the upper part of the fixed sleeve, the output shaft of the driving motor is connected with the driving wheel, the rotation of the driving wheel can realize the synchronous opposite movement of the two sliding rods, the operating lever is provided with a control panel, the control panel is provided with a driving motor control switch, the storage battery, the control panel and the driving motor are electrically connected, the left end of one of the sliding rods is provided with the clamping mechanism, and the right end of the other sliding rod is provided with the clamping mechanism, the clamping mechanism comprises a fixed U-shaped frame and a movable U-shaped frame, the fixed U-shaped frame is fixedly arranged on the corresponding sliding rod, the movable U-shaped frame is hinged in the fixed U-shaped frame, an arc-shaped wire clamping groove is arranged in the movable U-shaped frame, two groups of limiting mechanisms are symmetrically arranged at the lower part of the movable U-shaped frame, each group of limiting mechanisms comprises a roller, a guide rod and a jacking spring, the guide rod penetrates through the side wall of the movable U-shaped frame, the roller is arranged on the guide rod, the roller is positioned at the inner side of the movable U-shaped frame, the outer end of the guide rod is sleeved on an L-shaped fixed plate arranged at the outer side of the movable U-shaped frame, a limiting ring is arranged on the guide rod, the jacking spring is sleeved on the guide rod, the jacking spring is clamped between the limiting ring and the L-shaped fixed plate, and a limiting plate is arranged at the outer end of the guide rod, a limiting rod penetrating through the L-shaped fixing plate is arranged on the limiting plate; the measuring mechanism comprises a threaded pipe, a threaded rod and a balancing weight, the threaded pipe is vertically arranged in the through hole, the threaded pipe can swing freely, the threaded rod is sleeved in the threaded pipe, a vertical plane is arranged on the side wall of the threaded rod, scale marks are arranged on the vertical plane, and the balancing weight is arranged on the lower portion of the threaded rod.
Preferably, an auxiliary guide wheel clamped between the two sliding rods is further arranged in the fixed sleeve.
Preferably, two splayed wire clamping guide plates are arranged at the lower part of the movable U-shaped frame.
Furthermore, a clamping operation ring is arranged at the upper part of the movable U-shaped frame.
Preferably, a wiring board is arranged at the bottom of the threaded rod.
Preferably, a clamping bracket for clamping the threaded rod is arranged on the operating rod.
Preferably, each sliding rod is provided with a limiting block.
The invention has the beneficial effects that: the invention has simple structure and convenient operation; the two sliding rods can be driven to move oppositely by utilizing the rotation of the driving wheel, so that the distance between the two clamping mechanisms can be adjusted, and then the measurement of different jumper sag can be realized, and the measurement of the jumper sag on the whole circuit can be smoothly carried out; the driving wheel and the sliding rod are driven in a gear transmission mode, the transmission adjustment precision is high, the accurate adjustment of the distance between the two clamping mechanisms is facilitated, and therefore guarantee is provided for the accurate clamping of the clamping mechanisms at the two ends of the jumper; in the practical application process, the two ends of the jumper can smoothly enter the arc-shaped wire clamping grooves formed in the movable U-shaped frame through the guiding action of the two guide plates, so that the clamping of the clamping mechanism on the two ends of the jumper is conveniently realized; the roller has a limiting effect on the jumper wire positioned in the arc-shaped wire clamping groove under the action of the jacking spring, so that the clamping mechanism can be ensured to be stably clamped on the jumper wire, and the subsequent stable sag measurement is guaranteed; the threaded rod and the threaded pipe freely droop under the action of gravity, so that the verticality of the threaded rod is ensured, and the measurement precision of the sag of the jumper wire is ensured; and scale marks are arranged on the threaded rod, so that the counting of the sag data is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the arrangement of the sliding rod and the driving wheel in the fixing sleeve;
FIG. 3 is a schematic view of the overall structure of the measuring mechanism;
FIG. 4 is a schematic view of the overall structure of the locking structure;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is an enlarged view of FIG. 1 at B;
in the figure: 1 fixed sleeve, 11 operating levers, 111 clamping brackets, 12 through holes, 21 storage batteries, 22 driving motors, 23 driving wheels, 231 auxiliary guide wheels, 24 sliding rods, 241 transmission teeth, 242 limiting blocks, 251 fixed U-shaped frames, 252 movable U-shaped frames, 253 arc-shaped clamping grooves, 2541 rollers, 2542 guide rods, 25421 limiting rings, 2543 jacking springs, 2544L-shaped fixed plates, 2545 limiting plates, 2546 limiting rods, 255 guide plates, 256 clamping operating rings, 26 operating plates, 261 driving motor control switches, 31 threaded pipes, 311 supporting plates, 312 rotating supporting shafts, 32 threaded rods, 321 vertical planes, 322 scale marks, 33 balancing weights and 34 wiring plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the specific embodiments and accompanying drawings 1-6, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.
The invention provides a power transmission line jumper sag measuring device (as shown in figure 1), which comprises a fixed sleeve 1, a telescopic positioning mechanism and a measuring mechanism, wherein an operating rod 11 distributed along the vertical radius direction of the fixed sleeve 1 is arranged on the outer side wall of the fixed sleeve 1, two square sliding grooves which are relatively symmetrical and distributed along the axial direction of the fixed sleeve 1 are arranged on the inner side wall of the fixed sleeve 1, the operating rod 11 is mutually vertical to the upper plane of the square sliding grooves, and a through hole 12 penetrating through the upper side and the lower side of the fixed sleeve 1 is arranged in the middle of the fixed sleeve 1; the telescopic positioning mechanism comprises a storage battery 21, a driving motor 22, a driving wheel 23, sliding rods 24 and a clamping mechanism, wherein the two sliding rods 24 are respectively clamped in the two corresponding square sliding grooves, the sliding rods 24 can freely slide in the square sliding grooves, the opposite side walls of the two sliding rods 24 are respectively provided with a transmission gear 241, the driving wheel 23 is arranged in the fixed sleeve 1, the driving wheel 23 is clamped between the two sliding rods 24, the driving wheel 23 can freely rotate, the storage battery 21 and the driving motor 22 are both arranged at the upper part of the fixed sleeve 1, the output shaft of the driving motor 22 is connected with the driving wheel 23, the rotation of the driving wheel 23 can realize the synchronous opposite movement of the two sliding rods 24, and in order to further improve the stable sliding of the two sliding rods 24, an auxiliary guide wheel 231 clamped between the two sliding rods 24 is further arranged in the fixed sleeve 1, the auxiliary guide wheel 231 and the driving wheel 23 are disposed opposite to each other at both ends of the inner side of the fixing sleeve 1, and in order to prevent the sliding rod 24 and thus the fixing sleeve 1 from sliding out, a stopper 242 is disposed on each of the sliding rods 24. A control board 26 is arranged on the operating lever 11, a driving motor control switch 261 is arranged on the control board 26, the storage battery 21, the control board 26 and the driving motor 22 are electrically connected, and the driving motor control switch 261 can control the driving motor 22 to rotate in the positive direction and the negative direction, so that the two sliding rods 24 can extend out or retract in the opposite direction, the overall length of the two sliding rods 24 can be adjusted, and convenience is provided for sag measurement of different jumper wires; the left end of one of the slide bars 24 is provided with one of the clamping mechanisms, the right end of the other slide bar 24 is provided with one of the clamping mechanisms, the clamping mechanism comprises a fixed U-shaped frame 251 and a movable U-shaped frame 252, the fixed U-shaped frame 251 is fixedly arranged on the corresponding slide bar 24, the movable U-shaped frame 252 is hinged in the fixed U-shaped frame 251, an arc-shaped wire clamping groove 253 is arranged in the movable U-shaped frame 252, in practical application, the arc-shaped wire clamping groove 253 is clamped at the end of the jumper wire, the movable U-shaped frame 252 is hinged in the fixed U-shaped frame 251, the clamping direction of the arc-shaped wire clamping groove 253 can be adjusted arbitrarily, the arc-shaped wire clamping groove 253 is conveniently clamped at the end of the jumper wire, in the specific embodiment, the movable U-shaped frame 252 is conveniently clamped at the end of the jumper wire, here, the lower part of the movable U-shaped frame 251 is provided with two wire clamping guide plates 255 distributed in a splayed shape, further, in order to facilitate the precise control of the movable U-shaped frame 252, a clamping operation ring 256 is disposed at the upper portion of the movable U-shaped frame 252, during the practical application, the front end of an insulation rod is hung in the clamping operation ring 256, then the movable U-shaped frame 252 is operated by operating the insulation rod, so as to facilitate the clamping of the movable U-shaped frame 252 to the jumper wire end, two sets of limiting mechanisms are symmetrically disposed at the lower portion of the movable U-shaped frame 252, each set of limiting mechanisms includes a roller 2541, a guide rod 2542 and a top pressure spring 2543, the guide rod 2542 penetrates through the side wall of the movable U-shaped frame 252, the roller 2541 is disposed on the guide rod 2542, the roller 2541 is located inside the movable U-shaped frame 252, the outer end of the guide rod 2542 is sleeved on an L-shaped fixing plate 2544 disposed outside the movable U-shaped frame 252, a limiting ring 25421 is disposed on the guide rod 2542, the top pressure spring 2543 is sleeved on the guide rod 2542, the top pressure spring 2543 is clamped between the limit ring 25421 and the L-shaped fixing plate 2544, the outer end of the guide rod 2542 is provided with the limit plate 2545, the limit plate 2545 is provided with the limit rod 2546 penetrating through the L-shaped fixing plate 2544, the guide rod 2542 can be guaranteed not to rotate in the front-back sliding process through the limiting effect of the limit rod 2546, in the practical application process, the end part of the jumper wire can enter the arc-shaped wire clamping groove 253 through the two rollers 2541 which are squeezed open, after the end part of the jumper wire enters the arc-shaped wire clamping groove 253, the two rollers 2541 return to the original position under the action of the top pressure spring 2543, the clamping limit of the end part of the jumper wire is further realized, and the stable clamping of the movable U-shaped frame 252 at the end part of the jumper wire is guaranteed.
The measuring mechanism comprises a threaded pipe 31, a threaded rod 32 and a balancing weight 33, the threaded pipe 31 is vertically arranged in the through hole 12, and the threaded pipe 31 can swing freely, in the specific embodiment, the specific implementation mode of the threaded pipe 31 in the through hole 12 is as follows: a support plate 311 is provided on each of both side walls of the through-hole 12, and both sides of the screw tube 31 are provided on the support plates 311 by a rotation support shaft 312, respectively, the rotation support shaft 312 being freely rotatable on the support plates 311, so that the screw tube 31 is freely rotatable along the axis of the rotation support shaft 312. The threaded rod 32 is sleeved in the threaded pipe 31, when the device is not used, in order to fix the threaded rod 32, a clamping support 111 for clamping the threaded rod 32 is arranged on the operating rod 11, a vertical plane 321 is arranged on the side wall of the threaded rod 32, scale marks 322 are arranged on the vertical plane 321, when the bottom plane of the threaded rod 32 is flush with the bottom plane of the threaded pipe 31, the position, corresponding to the upper plane of the threaded rod 32 and the upper plane of the threaded pipe 31, is set as the initial position of the scale marks 322, the scale marks 322 are sequentially increased from bottom to top, the counterweight block 33 is arranged at the lower part of the threaded rod 32, specifically, the bottom plane of the counterweight block 33 is flush with the bottom plane of the threaded pipe 31, in the actual measuring process, firstly, the bottom plane of the threaded rod 32 is ensured to be in the same plane with the bottom plane of the threaded pipe 31, and after the threaded rod 32 is in a vertical state, the threaded rod 32 is slowly rotated, so that the bottom of the threaded rod 32 slowly extends out of the threaded pipe 31, when the bottom of the threaded rod 32 is abutted against the jumper wire, the rotation of the threaded rod 32 is stopped, at the moment, the sum of the descending distance of the threaded rod 32 and the distance between the bottom of the threaded pipe 31 and the axis of the rotation support shaft 312 is the corresponding sag of the jumper wire, so that the bottom of the threaded rod 32 is conveniently lapped on the jumper wire, a lapping plate 34 is arranged at the bottom of the threaded rod 32, the descending distance of the threaded rod 32 can be read, the threaded rod 32 can be kept still relative to the threaded pipe 31 under the condition of no external force, and therefore, the jumper wire can be directly read when the jumper wire is not taken down, or the jumper wire can be read again after the jumper wire is taken down.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.
Claims (7)
1. The utility model provides a transmission line wire jumper arc measuring device that hangs down which characterized in that: the outer side wall of the fixed sleeve is provided with an operating rod which is distributed along the vertical radius direction of the fixed sleeve, the inner side wall of the fixed sleeve is provided with two square sliding chutes which are symmetrical relatively and distributed along the axis direction of the fixed sleeve, the operating rod is mutually vertical to the upper plane of the square sliding chutes, and the middle part of the fixed sleeve is provided with a through hole which penetrates through the upper side and the lower side of the fixed sleeve; the telescopic positioning mechanism comprises a storage battery, a driving motor, a driving wheel, sliding rods and a clamping mechanism, wherein the two sliding rods are respectively clamped in the corresponding two square sliding grooves, the two opposite side walls of the sliding rods are respectively provided with a transmission gear, the driving wheel is arranged in the fixed sleeve, the driving wheel is clamped between the two sliding rods, the storage battery and the driving motor are both arranged at the upper part of the fixed sleeve, the output shaft of the driving motor is connected with the driving wheel, the rotation of the driving wheel can realize the synchronous opposite movement of the two sliding rods, the operating lever is provided with a control panel, the control panel is provided with a driving motor control switch, the storage battery, the control panel and the driving motor are electrically connected, the left end of one of the sliding rods is provided with the clamping mechanism, and the right end of the other sliding rod is provided with the clamping mechanism, the clamping mechanism comprises a fixed U-shaped frame and a movable U-shaped frame, the fixed U-shaped frame is fixedly arranged on the corresponding sliding rod, the movable U-shaped frame is hinged in the fixed U-shaped frame, an arc-shaped wire clamping groove is arranged in the movable U-shaped frame, two groups of limiting mechanisms are symmetrically arranged at the lower part of the movable U-shaped frame, each group of limiting mechanisms comprises a roller, a guide rod and a jacking spring, the guide rod penetrates through the side wall of the movable U-shaped frame, the roller is arranged on the guide rod, the roller is positioned at the inner side of the movable U-shaped frame, the outer end of the guide rod is sleeved on an L-shaped fixed plate arranged at the outer side of the movable U-shaped frame, a limiting ring is arranged on the guide rod, the jacking spring is sleeved on the guide rod, the jacking spring is clamped between the limiting ring and the L-shaped fixed plate, and a limiting plate is arranged at the outer end of the guide rod, a limiting rod penetrating through the L-shaped fixing plate is arranged on the limiting plate; the measuring mechanism comprises a threaded pipe, a threaded rod and a balancing weight, the threaded pipe is vertically arranged in the through hole, the threaded pipe can swing freely, the threaded rod is sleeved in the threaded pipe, a vertical plane is arranged on the side wall of the threaded rod, scale marks are arranged on the vertical plane, and the balancing weight is arranged on the lower portion of the threaded rod.
2. The transmission line jumper sag measurement device according to claim 1, characterized in that: an auxiliary guide wheel clamped between the two sliding rods is also arranged in the fixed sleeve.
3. The transmission line jumper sag measurement device according to claim 1, characterized in that: two splayed wire clamping guide plates are arranged at the lower part of the movable U-shaped frame.
4. The transmission line jumper sag measurement device according to claim 2, characterized in that: the upper part of the movable U-shaped frame is provided with a clamping operation ring.
5. The transmission line jumper sag measurement device according to claim 1, characterized in that: and a wiring board is arranged at the bottom of the threaded rod.
6. The transmission line jumper sag measurement device according to claim 1, characterized in that: and a clamping bracket for clamping the threaded rod is arranged on the operating lever.
7. The transmission line jumper sag measurement device according to claim 1, characterized in that: each sliding rod is provided with a limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530306.2A CN109489624B (en) | 2018-12-13 | 2018-12-13 | Power transmission line jumper sag measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530306.2A CN109489624B (en) | 2018-12-13 | 2018-12-13 | Power transmission line jumper sag measuring device |
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| Publication Number | Publication Date |
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| CN109489624A CN109489624A (en) | 2019-03-19 |
| CN109489624B true CN109489624B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811530306.2A Active CN109489624B (en) | 2018-12-13 | 2018-12-13 | Power transmission line jumper sag measuring device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117249792B (en) * | 2023-11-20 | 2024-02-06 | 国网浙江省电力有限公司杭州供电公司 | Drainage wire length calculating device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010017488A (en) * | 1999-08-12 | 2001-03-05 | 이계철 | Cable sag measuring equipment |
| KR20040075835A (en) * | 2004-08-11 | 2004-08-30 | (주)씨에스티개발 | Safety diagnosis apparatus for camber measurement of bridge |
| CN203893778U (en) * | 2014-05-30 | 2014-10-22 | 国家电网公司 | Sag measuring device for iron tower grounding line |
| CN204405009U (en) * | 2014-12-25 | 2015-06-17 | 国家电网公司 | A kind of power transmission line sag measurement mechanism |
| CN204788349U (en) * | 2015-05-25 | 2015-11-18 | 国网山东省电力公司经济技术研究院 | Transmission line wire jumper arc measuring device that hangs down |
-
2018
- 2018-12-13 CN CN201811530306.2A patent/CN109489624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010017488A (en) * | 1999-08-12 | 2001-03-05 | 이계철 | Cable sag measuring equipment |
| KR20040075835A (en) * | 2004-08-11 | 2004-08-30 | (주)씨에스티개발 | Safety diagnosis apparatus for camber measurement of bridge |
| CN203893778U (en) * | 2014-05-30 | 2014-10-22 | 国家电网公司 | Sag measuring device for iron tower grounding line |
| CN204405009U (en) * | 2014-12-25 | 2015-06-17 | 国家电网公司 | A kind of power transmission line sag measurement mechanism |
| CN204788349U (en) * | 2015-05-25 | 2015-11-18 | 国网山东省电力公司经济技术研究院 | Transmission line wire jumper arc measuring device that hangs down |
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