CN113932771A - Slide caliper rule for measuring gradient of power transmission line tower - Google Patents
Slide caliper rule for measuring gradient of power transmission line tower Download PDFInfo
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- CN113932771A CN113932771A CN202111142034.0A CN202111142034A CN113932771A CN 113932771 A CN113932771 A CN 113932771A CN 202111142034 A CN202111142034 A CN 202111142034A CN 113932771 A CN113932771 A CN 113932771A
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- caliper
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- transmission line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- General Physics & Mathematics (AREA)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a caliper for measuring the gradient of a power transmission line tower, which comprises: the bearing assembly comprises a bearing disc, L-shaped supporting rods are symmetrically and fixedly inserted into the surface of the bearing disc, the end parts of the L-shaped supporting rods are fixedly connected with positioning plates, and the positioning plates are detachably fixed on a road tower through a fixing mechanism; the caliper assembly comprises an installation opening formed in the bearing disc, a fixed shaft is fixedly inserted in the installation opening, a caliper structure is movably sleeved in the middle of the fixed shaft, and the caliper structure is movably connected with the fixed shaft through a bearing; the fixed shaft is movably sleeved with swing arms positioned on two sides of the caliper structure, the end part of each swing arm is horizontally and fixedly inserted with a telescopic rod, and the end part of each telescopic rod vertically faces to the plane where the positioning plate is located and is detachably and fixedly connected with a steel frame on the road tower. The invention has simple and quick installation, convenient measurement and high measurement precision.
Description
Technical Field
The invention relates to the technical field of operation and maintenance of a voltage transmission line, in particular to a caliper for measuring the inclination of a tower of a transmission line.
Background
In the operation and maintenance work of a high-voltage transmission line, the problem that the top of a tower deviates from a normal position due to the unstable foundation of the tower and the inclination is caused is often encountered. If the tower inclination phenomenon is not timely handled, the stress of the cross arm part of the tower is changed, the center of gravity of the lead and the tower is shifted, and the accident of broken pole and tower falling is caused by serious consequences. Therefore, in daily patrol work, the inclination of the tower needs to be measured regularly.
When in measurement, a measuring tool needs to be placed on a pole tower, the placed position has a certain height, the inclination of the pole tower is generally vertical, and an accurate numerical value is difficult to obtain only by observing the inclination angle of the caliper through human eyes, so that the measurement precision is reduced; and the measuring tool placed at a certain height is possibly influenced by air flow in the air in the measuring process, so that the normal measuring process of the measuring tool is disturbed, and the measuring precision is further reduced.
The patent publications CN213932484U and CN212539156U disclose the related technical solutions of tower inclination measuring auxiliary calipers, but the installation and use of the tower inclination measuring auxiliary calipers are inconvenient, and the measuring accuracy is limited.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the invention provides a caliper for measuring the inclination of a power transmission line tower.
In order to solve the technical problems, the invention adopts the following technical scheme:
a caliper for measuring the inclination of a power transmission line tower comprises:
the bearing assembly comprises a bearing disc, L-shaped supporting rods are symmetrically and fixedly inserted into the surface of the bearing disc, the end parts of the L-shaped supporting rods are fixedly connected with positioning plates, and the positioning plates are detachably fixed on a road tower through a fixing mechanism;
the caliper assembly comprises an installation opening formed in the bearing disc, a fixed shaft is fixedly inserted in the installation opening, a caliper structure is movably sleeved in the middle of the fixed shaft, and the caliper structure is movably connected with the fixed shaft through a bearing;
the movable sleeve is equipped with the swing arm that is located slide caliper rule structure both sides on the fixed axle, both sides the swing arm tip passes through connecting rod fixed connection, and wherein one side the swing arm tip level is fixed pegging graft and is had the telescopic link, the telescopic link tip is perpendicular towards the plane that the locating plate was located and can dismantle fixed connection with the steelframe on the way shaft tower.
Preferably, the horizontal fixedly connected with direction frame of slide caliper rule structure lateral wall, the direction frame wears to establish between the swing arm of both sides, just the inboard one end of direction frame is equipped with distance sensor, just the activity is pegged graft on the direction frame and is had the movable block, the movable block both ends and swing arm internal surface fixed connection, distance sensor's output and external control ware electric connection.
Preferably, the telescopic link tip fixed connection electromagnetism dish, just the telescopic link tip surface be equipped with electromagnetism dish electric connection's power supply control structure, the telescopic link is electronic structure.
Preferably, the anti-interference device further comprises an anti-interference component, and the anti-interference component is arranged on the side face of the bearing plate.
Preferably, the anti-interference component comprises a transmission gear ring movably sleeved on the side surface of the bearing disc, a tooth socket of the transmission gear ring is arranged on the wall of the inner ring, an annular groove is formed in the side surface of the bearing disc, a rotating gear in meshed connection with the transmission gear ring is embedded in the inner cavity of the bearing disc, and the rotating gear is connected with the output end of a rotator arranged on the top surface of the bearing disc through a rotating shaft;
the outer ring wall of the transmission gear ring is fixedly connected with an arc-shaped table, and an arc-shaped choke plate is arranged on the outer side of the arc-shaped table.
Preferably, the outer surface of the arc-shaped table is symmetrically provided with vertical grooves, the inner surface of the arc-shaped choke plate is fixedly provided with a convex strip movably connected with the vertical grooves, and two ends of the convex strip are provided with limit blocks;
the inner surface of the arc-shaped choke plate is provided with a rack positioned between the convex strips, the rack is in meshed transmission connection with a gear transmission structure, the gear transmission structure is embedded on the arc-shaped table, and the gear transmission structure is driven by a driving structure arranged on the top surface of the arc-shaped table.
Preferably, the outer surface of the arc-shaped choke plate is provided with an air guide groove, and two ends of the air guide groove penetrate through two end faces of the arc-shaped choke plate.
The invention has the beneficial effects that:
1. when the caliper structure is installed, the end part of the telescopic rod is fixedly adsorbed to a steel frame on a road tower, and the caliper structure is fixed on the road tower by matching with the positioning plate and the fastening screws, so that the caliper structure is simple and quick to install. Caliper structure is under the dead weight state, remains vertical state throughout, and if the inclined state appears in the way shaft tower, the contained angle appears with the caliper structure in swing arm, and it is convenient to measure.
Further, the inboard one end of guide frame is equipped with distance sensor, and when the swing arm rotated, the synchronous drive movable block sideslip on the guide frame, distance sensor real-time detection and the distance between the movable block, and then can indirectly derive the contained angle, avoid the inclination data to be difficult to observe the problem that derives through the people's eye when less, and measurement accuracy is high.
2. The invention is also provided with an anti-interference component, and in the measuring process, if the influence of the airflow is met, the transmission gear ring is driven to drive the arc-shaped table and the arc-shaped choke plate to rotate around the side surface of the bearing plate to the airflow flowing direction, so that the anti-interference effect is realized.
And can also adjust the height of arc choke plate as required, improve the jam-proof effect, avoid causing the influence to measurement process, further improve measuring accuracy.
The air guide groove is further formed in the outer surface of the arc-shaped choke plate, air flow acting on the surface of the arc-shaped choke plate is led out to two sides conveniently due to the arrangement of the air guide groove, the problem that strong air flow influences the stability of the device is solved, and the problem that influence is caused to the measurement precision is further solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the overall structure of the caliper assembly and the interference prevention assembly of the present invention;
FIG. 3 is a schematic view of a connection structure of a guide frame according to the present invention;
fig. 4 is a schematic view of the connection structure of the arc choke plate according to the present invention.
In the figure: 100. a load bearing assembly; 101. a carrier tray; 102. an L-shaped strut; 103. positioning a plate; 200. a caliper assembly; 201. an installation port; 202. a fixed shaft; 203. a caliper structure; 204. a swing arm; 205. a connecting rod; 206. a telescopic rod; 207. an electromagnetic disk; 208. a power supply control structure; 209. a guide frame; 210. a distance sensor; 211. a moving block; 212. an external controller; 300. an interference prevention assembly; 301. a transmission gear ring; 302. a rotator; 303. an arc-shaped table; 304. a gear transmission structure; 305. a drive structure; 306. a rack; 307. a convex strip; 308. an arc choke plate; 309. a wind guide groove.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 1, the present invention provides a caliper for measuring the inclination of a tower of a power transmission line, comprising:
the bearing assembly 100 comprises a bearing disc 101, wherein L-shaped supporting rods 102 are symmetrically and fixedly inserted into the surface of the bearing disc 101, the end parts of the L-shaped supporting rods 102 are fixedly connected with a positioning plate 103, and two positioning holes are formed in the positioning plate 103.
The anti-interference component 300, the anti-interference component 300 is arranged on the side surface of the bearing tray 101.
As shown in fig. 2 and 3, the fixed shaft 202 is movably sleeved with swing arms 204 located at two sides of the caliper structure 203, ends of the swing arms 204 at two sides are fixedly connected through a connecting rod 205, an expansion link 206 is horizontally and fixedly inserted into an end of the swing arm 204 at one side, and an end of the expansion link 206 vertically faces a plane where the positioning plate 103 is located.
The end of the telescopic rod 206 is fixedly connected to the electromagnetic disc 207, and the surface of the end of the telescopic rod 206 is provided with a power supply control structure 208 electrically connected to the electromagnetic disc 207, and the telescopic rod 206 is an electric structure.
When the caliper structure 203 is installed, the electromagnetic disc 207 at the end part of the telescopic rod 206 is fixedly adsorbed to a steel frame on a pole tower, and the caliper structure 203 is fixed on the pole tower by matching with the positioning plate 103 and the fastening screws, so that the installation is simple and rapid. Caliper structure 203 remains vertical state all the time under the dead weight state, and if the leaning state appears in the pole tower, the contained angle appears in swing arm 204 and the caliper structure 203, and it is convenient to measure.
Slide caliper rule structure 203 lateral wall level fixedly connected with guide frame 209, guide frame 209 wears to establish between both sides swing arm 204, and the inboard one end of guide frame 209 is equipped with distance sensor 210, and the activity is pegged graft on the guide frame 209 and is had movable block 211, and movable block 211 both ends are connected with swing arm 204 internal surface fixed, and distance sensor 210's output and external control ware 212 electric connection.
When the swing arm 204 rotates, the moving block 211 is synchronously driven to move transversely on the guide frame 209, the distance between the distance sensor 210 and the moving block 211 is detected in real time, an included angle can be indirectly obtained, the problem that the inclination data are difficult to observe through human eyes when being small is avoided, and the measurement precision is high.
As shown in fig. 2, the interference preventing assembly 300 includes a transmission gear ring 301 movably sleeved on the side surface of the carrier tray 101, a tooth slot of the transmission gear ring 301 is opened on the inner ring wall, an annular groove is opened on the side surface of the carrier tray 101, a rotating gear (not shown in the figure) engaged with the transmission gear ring 301 is embedded in the inner cavity of the carrier tray 101, and the rotating gear is connected with the output end of a rotator 302 arranged on the top surface of the carrier tray 101 through a rotating shaft.
As shown in fig. 3 and 4, the outer ring wall of the transmission gear ring 301 is fixedly connected with the arc-shaped platform 303, and the arc-shaped platform 303 is provided with the arc-shaped choke plate 308, so that in the measurement process, if the influence of the airflow is encountered, the transmission gear ring 301 is driven to drive the arc-shaped platform 303 and the arc-shaped choke plate 308 to rotate to the airflow flowing direction around the side surface of the carrier plate 101, and the anti-interference effect is realized.
The outer surface of the arc-shaped choke plate 308 is provided with an air guide groove 309, two ends of the air guide groove 309 penetrate through two end faces of the arc-shaped choke plate 308, and the air guide groove 309 is convenient for guiding out air flow acting on the surface of the arc-shaped choke plate 308 to two sides, so that the problem that strong air flow affects the stability of the device is avoided, and the problem that the measurement precision is affected is further avoided.
Vertical grooves are symmetrically formed in the outer surface of the arc-shaped table 303, the inner surface of the arc-shaped choke plate 308 is fixedly provided with a convex strip 307 movably connected with the vertical grooves, and two ends of the convex strip 307 are provided with limiting blocks. The inner surface of the arc-shaped choke plate 308 is provided with a rack 306 positioned between the convex strips 307, and the rack 306 is in meshing transmission connection with the gear transmission structure 304. The gear transmission structure 304 is embedded on the arc-shaped table 303, and the gear transmission structure 304 is driven by a driving structure 305 arranged on the top surface of the arc-shaped table 303, and the driving structure 305 is a power motor. Through rack 306 and gear drive structure 304's cooperation drive arc choke plate 308 rebound to adjust arc choke plate's height as required, improve the jam-proof effect, avoid causing the influence to measurement process, further improve measuring precision
In this embodiment, the gear transmission structure 304 is composed of two gears engaged with each other, and the two gears are respectively connected to the rack 306 and the output end of the driving structure 305.
The invention has the advantages of simple and quick installation, convenient measurement, high measurement precision and anti-interference effect.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (7)
1. The utility model provides a transmission line shaft tower gradient is measured and is used slide caliper rule which characterized in that: the method comprises the following steps:
the bearing assembly comprises a bearing disc, L-shaped supporting rods are symmetrically and fixedly inserted into the surface of the bearing disc, the end parts of the L-shaped supporting rods are fixedly connected with positioning plates, and the positioning plates are detachably fixed on a road tower through a fixing mechanism;
the caliper assembly comprises an installation opening formed in the bearing disc, a fixed shaft is fixedly inserted in the installation opening, a caliper structure is movably sleeved in the middle of the fixed shaft, and the caliper structure is movably connected with the fixed shaft through a bearing;
the movable sleeve is equipped with the swing arm that is located slide caliper rule structure both sides on the fixed axle, both sides the swing arm tip passes through connecting rod fixed connection, and wherein one side the swing arm tip level is fixed pegging graft and is had the telescopic link, the telescopic link tip is perpendicular towards the plane that the locating plate was located and can dismantle fixed connection with the steelframe on the way shaft tower.
2. The caliper for measuring the inclination of the power transmission line tower according to claim 1, wherein: the horizontal fixedly connected with direction frame of slide caliper rule structure lateral wall, the direction frame wears to establish between the swing arm of both sides, just the inboard one end of direction frame is equipped with distance sensor, just it has the movable block to peg graft in the activity on the direction frame, the movable block both ends and swing arm internal surface fixed connection, distance sensor's output and external control ware electric connection.
3. The caliper for measuring the inclination of the power transmission line tower according to claim 2, wherein: the utility model discloses a telescopic link, including telescopic link, electromagnetic disc, telescopic link tip fixed connection electromagnetic disc, just telescopic link tip surface is equipped with the power supply control structure with electromagnetic disc electric connection, the telescopic link is electronic structure.
4. The caliper for measuring the inclination of the power transmission line tower according to any one of claims 1 to 3, wherein: the anti-interference device further comprises an anti-interference component, and the anti-interference component is arranged on the side face of the bearing plate.
5. The caliper for measuring the inclination of the power transmission line tower according to claim 4, wherein: the anti-interference component comprises a transmission gear ring movably sleeved on the side surface of the bearing disc, a tooth socket of the transmission gear ring is arranged on the wall of the inner ring, an annular groove is formed in the side surface of the bearing disc, a rotating gear in meshed connection with the transmission gear ring is embedded in the inner cavity of the bearing disc, and the rotating gear is connected with the output end of a rotator arranged on the top surface of the bearing disc through a rotating shaft;
the outer ring wall of the transmission gear ring is fixedly connected with an arc-shaped table, and an arc-shaped choke plate is arranged on the outer side of the arc-shaped table.
6. The caliper for measuring the inclination of the power transmission line tower according to claim 5, wherein: the outer surface of the arc-shaped table is symmetrically provided with vertical grooves, the inner surface of the arc-shaped choke plate is fixedly provided with a convex strip movably connected with the vertical grooves, and two ends of the convex strip are provided with limit blocks;
the inner surface of the arc-shaped choke plate is provided with a rack positioned between the convex strips, the rack is in meshed transmission connection with a gear transmission structure, the gear transmission structure is embedded on the arc-shaped table, and the gear transmission structure is driven by a driving structure arranged on the top surface of the arc-shaped table.
7. The caliper for measuring the inclination of the power transmission line tower according to claim 6, wherein: the outer surface of the arc-shaped wind resistance plate is provided with a wind guide groove, and two ends of the wind guide groove penetrate through two end faces of the arc-shaped wind resistance plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142034.0A CN113932771B (en) | 2021-09-28 | 2021-09-28 | A caliper for measuring the inclination of transmission line towers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142034.0A CN113932771B (en) | 2021-09-28 | 2021-09-28 | A caliper for measuring the inclination of transmission line towers |
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| Publication Number | Publication Date |
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| CN113932771A true CN113932771A (en) | 2022-01-14 |
| CN113932771B CN113932771B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111142034.0A Active CN113932771B (en) | 2021-09-28 | 2021-09-28 | A caliper for measuring the inclination of transmission line towers |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812197B1 (en) * | 2008-01-28 | 2008-03-10 | 주식회사 한국건설관리공사 | Transmission tower facilities |
| CN207423170U (en) * | 2017-10-24 | 2018-05-29 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of extra high voltage direct current transmission line shaft tower gradient accurately measures auxiliary slide calliper rule |
| CN208653469U (en) * | 2018-07-13 | 2019-03-26 | 宁波永耀惠程电力科技有限公司 | A kind of shaft tower device for monitoring inclination suitable for high voltage transmission line |
| CN209166412U (en) * | 2018-11-26 | 2019-07-26 | 中国南方电网有限责任公司超高压输电公司大理局 | A kind of inclination of transmission line tower measuring instrument |
| CN212340233U (en) * | 2020-06-19 | 2021-01-12 | 中国电建集团青海省电力设计院有限公司 | Transmission line shaft tower slope detection device |
-
2021
- 2021-09-28 CN CN202111142034.0A patent/CN113932771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812197B1 (en) * | 2008-01-28 | 2008-03-10 | 주식회사 한국건설관리공사 | Transmission tower facilities |
| CN207423170U (en) * | 2017-10-24 | 2018-05-29 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of extra high voltage direct current transmission line shaft tower gradient accurately measures auxiliary slide calliper rule |
| CN208653469U (en) * | 2018-07-13 | 2019-03-26 | 宁波永耀惠程电力科技有限公司 | A kind of shaft tower device for monitoring inclination suitable for high voltage transmission line |
| CN209166412U (en) * | 2018-11-26 | 2019-07-26 | 中国南方电网有限责任公司超高压输电公司大理局 | A kind of inclination of transmission line tower measuring instrument |
| CN212340233U (en) * | 2020-06-19 | 2021-01-12 | 中国电建集团青海省电力设计院有限公司 | Transmission line shaft tower slope detection device |
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| CN113932771B (en) | 2023-07-18 |
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