CN203839819U - Obstacle surmounting mechanical arm suitable for power transmission line inspection robot - Google Patents
Obstacle surmounting mechanical arm suitable for power transmission line inspection robot Download PDFInfo
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- CN203839819U CN203839819U CN201420237351.XU CN201420237351U CN203839819U CN 203839819 U CN203839819 U CN 203839819U CN 201420237351 U CN201420237351 U CN 201420237351U CN 203839819 U CN203839819 U CN 203839819U
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Abstract
The utility model provides an obstacle surmounting mechanical arm suitable for a power transmission line inspection robot. The obstacle surmounting mechanical arm includes a running mechanism and a supporting arm. The running mechanism includes a running arm, a running wheel and a running motor mounted on an upper end of the running arm. The running wheel is connected with the running motor through a reduction gearbox. The obstacle surmounting mechanical arm further includes an auxiliary running mechanism and two connecting rods. The auxiliary running mechanism includes an auxiliary running arm and an auxiliary running arm mounted on an upper end of the auxiliary running arm. One end of each connecting rod is hinged to the running arm while the other end of each connecting rod is hinged to the auxiliary running arm. The supporting arm is hinged to middle parts of the two connecting rods. The running obstacle surmounting mechanical arm has a simple structure, realizes running and obstacle surmounting with only one drive motor, can be freely combined according to an overall structure of the inspection robot, and can be widely applied to moving and obstacle surmounting mechanisms of various power transmission line inspection robots.
Description
Technical field
The utility model relates to inspection robot field, specifically a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot.
Background technology
Transmission line is the very important part of electric power system, in order to ensure that it safely and steadily runs, need to regularly carry out walkaround inspection.The method adopting at present mainly contains manual inspection and helicopter routing inspection.The efficiency of manual inspection is low, and labour intensity is large, and dangerous high, dangerous forest, steep cliff circuit cannot carry out manual inspection at all; The cost of helicopter routing inspection is high, patrols and examines quality and is subject to climatic effect.Therefore, needing development can carry communication and the robot of inspection instrument replaces manually transmission line is carried out to automatic detecting, the instrument that utilization is carried is to circuit examinations, not only can alleviate hand labor intensity, can also improve and patrol and examine operation quality and efficiency, guarantee the safe operation of transmission line, significant to improving grid automation level of operation.And owing to there being all multi-obstacle avoidances such as stockbridge damper, conductor spacer on transmission line, therefore require crusing robot to walk fast along transmission line, also to possess certain obstacle climbing ability.The current most more complicated of crusing robot barrier getting over mechanism, drive motors is more, is difficult for carrying out obstacle detouring control.
Chinese patent (201310471620.9) discloses a kind of upper clamping barrier-crossing traveling mechanism for high-voltage line, be provided with telescoping clamping obstacle crossing device and travel driving unit, described travel driving unit comprises travel wheel, axis of travel, be fixed on bearing on bearing spider and provide the motor of power for travel wheel; Described telescoping clamping obstacle crossing device comprises central tube, center pole and Compress Spring, the two ends up and down of central tube are respectively equipped with upper end cover and bottom end cover, one end of center pole is connected with the bearing spider in travel driving unit, the other end of center pole passes upper end cover and is connected with the bearing pin being arranged in central tube, in two slideways that bearing pin can be oppositely arranged on the tube wall of central tube, move up and down, the position of described center pole between upper end cover bottom and bearing pin is arranged with Compress Spring.In the present invention, travel wheel realizes the upper clamping to high-voltage line under the effect of self gravitation, and the elastic force in the vertical direction that can overcome Compress Spring in the time running into barrier is offset, to realize active obstacle.But this clamping barrier-crossing traveling mechanism adopts single-wheel to be difficult to bonding stability of moving obstacle-crossing on line while being solely used in crusing robot.The disclosed a kind of robot for de-icing of power transmission lines of Chinese patent (200910273509.2), comprise a pair of former and later two mechanical arms that move along power transmission line, the lower end of forearm and postbrachium is connected in respectively on a slide mechanism that can change forearm and postbrachium relative distance by slew gear, slide mechanism bottom is furnished with gravity center adjusting mechanism, the top of forearm and postbrachium is end effector mechanism, there is the clip claw mechanism that a walking mechanism and can grasp power transmission line, in obstacle detouring process, hanging over power transmission line by former arm sling realizes in rotation, postbrachium is realized revolution around its rotation clears the jumps postbrachium, the obstacle detouring process of forearm is consistent with postbrachium obstacle detouring principle, and in the process of obstacle detouring, must regulate the center of gravity of complete machine, the complete machine degree of freedom is increased, single-arm suspension has reduced its stationarity on power transmission line, increase the difficulty of controlling.
Chinese patent (application number 201210517176.5) discloses a kind of circuit robot actuating arm with obstacle crossing function, comprise drive wheel mechanism, rotary joint and lifting joint, drive wheel mechanism comprises fixed head, is connected with drive unit on fixed head; Rotary joint comprises rotating shaft and electromagnetic clutch, and electromagnetic clutch is set on rotating shaft, and the middle part of rotating shaft is connected with connector; Lifting joint comprises base plate, and base plate is provided with carriage and feed screw apparatus, and both are fixedly connected with by connecting plate; Drive wheel mechanism is connected with the connector of rotary joint by fixed head, and one end of rotary joint rotating shaft is connected with the connecting plate in lifting joint.This barrier-surpassing robot needs two drive motors, utilize the motor in lifting joint to drive leading screw to rotate to drive and move on drive wheel mechanism and the electric rotating machine of rotary joint drives the outer side oscillation of drive wheel mechanism guiding line, thereby make driving wheel arrange wire and barrier, easily cause the unbalance power transmission line that falls down of robot obstacle detouring because driving wheel in obstacle detouring process leaves wire.
Summary of the invention
The purpose of this utility model be for provide one can steadily walk along transmission line, again can be under without external force help the obstacle such as spanning spacers, stockbridge damper voluntarily, replace manually carry out polling transmission line simple in structure, control and be easy to a kind of obstacle detouring mechanical arm that is applicable to transmission line polling robot.
The utility model is achieved in that and comprises walking mechanism and support arm, walking mechanism comprises walking arm, is arranged on road wheel and the movable motor of walking arm upper end, road wheel is connected with movable motor by reduction box, also comprise auxiliary propelling machine and two connecting rods, described auxiliary propelling machine comprises auxiliary walking arm and is arranged on the secondary row travelling wheel of auxiliary walking arm upper end, one end and the walking arm of each connecting rod are hinged, the other end and auxiliary walking arm hinged, the middle part of support arm and two connecting rods is hinged.
The utility model also comprises some architectural features like this:
1. the clamp system being made up of clamping motor, pinch wheels support and pinch wheels is installed on auxiliary propelling machine, clamping motor is arranged in auxiliary walking arm, pinch wheels support is connected with the output shaft of clamping motor, pinch wheels is arranged on pinch wheels support, in auxiliary walking arm, two limit switches is also installed.
2. walking arm and auxiliary walking arm lengths are unequal.
3. the cross sectional shape of walking arm, auxiliary walking arm and support arm is " class Y " shape.
4. two road wheels and pinch wheels are V shaped wheel.
A kind of obstacle detouring mechanical arm that is applicable to transmission line polling robot that the utility model provides has advantages of following: 1. moving obstacle-crossing mechanical arm of the present utility model can be applied to transmission line polling robot, replace manual inspection, save human cost, improved polling transmission line operating efficiency.2. the utility model adopts parallelogram sturcutre to realize the obstacle detouring of walking arm, the resistance that utilizes the distortion adaptability of parallelogram that V-type road wheel is run into conductor spacer (or stockbridge damper) is converted into the power that road wheel is raised, and realizes the obstacle detouring of walking arm; In the time that the secondary row travelling wheel of auxiliary walking arm runs into conductor spacer, the walking mechanism I travelling wheel that detours rotates and makes walking mechanism I raise to cross conductor spacer; In the time that the road wheel of walking arm runs into conductor spacer, walking mechanism II is rotated and is made walking mechanism II raise to cross conductor spacer around secondary row travelling wheel.The utility model adopt fixture range of movement pinch wheels open extreme position and just and V-type road wheel coordinate between the extreme position that clamps power transmission line, can adjust as required the position of V-type pinch wheels and realize different objects: 1) coordinate and clamp power transmission line with V-type road wheel, reduced the danger that road wheel falls down from line; 2) while running to upward slope circuit, adjust pinch wheels and increase the normal pressure to power transmission line, the required frictional force thereby increase road wheel is walked, prevents that road wheel from skidding.4. moving obstacle-crossing mechanical arm of the present utility model is simple in structure, and walking and obstacle detouring can be realized by a drive motors, can be widely used in movement and the barrier getting over mechanism of various transmission line polling robots, can use by single armed, also can combine use by multi-arm.
Brief description of the drawings
Fig. 1 is three-dimensional structure diagram of the present utility model;
Fig. 2 is structural representation and the partial enlarged drawing at the utility model the first visual angle;
Fig. 3 is structural representation and the partial enlarged drawing at the utility model the second visual angle;
Fig. 4 is the utility model left side view;
Fig. 5 is the decomposition view of the utility model reduction box;
Fig. 6 is the motion process schematic diagram of the utility model while crossing conductor spacer;
Fig. 7 is the schematic diagram that the utility model is applied to a kind of crusing robot;
Fig. 8 is the front view of the utility model embodiment tri-.
Embodiment
Below in conjunction with accompanying drawing, a kind of embodiment of the present utility model is done to concrete introduction:
Enforcement case row one: in conjunction with Fig. 1～6, a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot, comprises wheels mechanical arm, clamp system and support arm 8 for walking on transmission line, wheels mechanical arm comprises walking mechanism I and walking mechanism II, and walking mechanism I and walking mechanism II utilize first connecting rod 6 and the second connecting rod 7 that bearing pin 9 is identical with two to be connected to form parallelogram sturcutre, walking mechanism I comprises walking arm 5, road wheel 1, movable motor 4 and reduction box 2, walking mechanism II comprises auxiliary walking arm 10, secondary row travelling wheel 15, auxiliary wheel shaft 14, bolt 19, the cross sectional shape of walking arm, auxiliary walking arm and support arm is " class Y " shape, one side of its trunk is stretched out a right angle connecting rod, in the middle of forming, there is " class Y " shape in space, connecting rod is connected with walking arm in gap by bearing pin, simple, good stability are installed, movable motor 4 drives the road wheel 1 of walking mechanism I to rotate through reduction box 2, realizes on line and walking, clamp system comprises clamping motor 11, pinch wheels wheel shaft 20, spring coupling 21, pinch wheels support 12, pinch wheels 13, clamp wheel shaft 20, the first guide vane end stop 22, the second guide vane end stop 23, the first limit switch 17, the second limit switch 24, limit switch catch 16 and limit switch mounting panel 18, clamping motor 11 is arranged in auxiliary walking arm 10 can ensure that pinch wheels 13 and secondary row travelling wheel 15 just clamp the position of power transmission line 3, pinch wheels support 12 utilizes spring coupling 21 to be connected with the output shaft of clamping motor 11, the first guide vane end stop 22 and the second guide vane end stop 23 are arranged on respectively two extreme positions that in auxiliary walking arm 10, pinch wheels support 12 can move to, the first limit switch 17 and the second limit switch 24 utilize limit switch mounting panel 18 and screw to be arranged on two extreme positions that in auxiliary walking arm 10, pinch wheels support 12 can move to, be pinch wheels 13 clamped positions and pinch wheels 13 deployed position (dotted line shown in Fig. 3), support arm 8 utilizes bearing pin 9 to be hinged on the middle part of first connecting rod 6 and second connecting rod 7, forms two little parallelogram sturcutres respectively with walking arm 5, first connecting rod 6, second connecting rod 7 and auxiliary walking arm 10, first connecting rod 6, second connecting rod 7.
Fig. 4 is that pinch wheels 13 just coordinates the clamping extreme position left view that clamps power transmission line with secondary row travelling wheel 15, and now, limit switch catch 16 triggers the second limit switch 24, and clamping motor 11 is stopped operating.
Fig. 5 is the structure chart of reduction box 2 of the present utility model, comprise casing 202, case lid 208, bevel pinion 204, bevel gear wheel 205, little deep groove ball bearing 203, large deep groove ball bearing 209, thrust bearing 206, screw 207 and power transmission shaft 201, gear box 2 entirety are assembled successively according to explosive view shown in Fig. 3; Bevel pinion 204 is driving gear, is driven and is driven bevel gear wheel 205 to rotate by movable motor 4, and installed thrust bearing 206 between bevel gear wheel 205 and case lid 208, ensures bevel-gear sett engaged transmission precision.
Fig. 6 is the motion process of moving obstacle-crossing mechanical arm of the present utility model while crossing conductor spacer 25: figure (a) is depicted as mechanical arm secondary row travelling wheel 15 by obstacle detouring, and pinch wheels 13 opens to opens extreme position; Figure (b) moves on conductor spacer 25 for mechanical arm secondary row travelling wheel 15, and the parallelogram sturcutre being made up of auxiliary walking arm 10, walking arm 5, first connecting rod 6 and second connecting rod 7 deforms; Figure (c) is depicted as mechanical arm secondary row travelling wheel 15 and crosses conductor spacer 25, and after this, pinch wheels 13 can turn to relevant position as required.
Concrete obstacle detouring process is: in the time that the secondary row travelling wheel 15 of auxiliary walking arm 10 runs into conductor spacer 25, the road wheel 1 of walking arm 5 walks on, produce the thrust to auxiliary walking arm 10 by first connecting rod 6 and second connecting rod 7, impel detour travelling wheel 1 of walking mechanism I to rotate walking mechanism I is raised, the secondary row travelling wheel 15 of auxiliary walking arm 10 is crossed conductor spacer 25; In the time that the road wheel 1 of walking arm 5 runs into conductor spacer 25, the secondary row travelling wheel 15 of auxiliary walking arm 10 walks on, produce the pulling force to walking arm 5 by first connecting rod 6 and second connecting rod 7, impel walking mechanism II to rotate walking mechanism II is raised around secondary row travelling wheel 15, the road wheel 1 of walking arm 5 is crossed conductor spacer 25.
Enforcement case row two: in conjunction with Fig. 7, for moving obstacle-crossing mechanical arm of the present utility model is applied to a kind of schematic diagram of crusing robot, crusing robot adopts two moving obstacle-crossing mechanical arms, robot body is arranged on support arm 8, secondary row travelling wheel 15 and the pinch wheels 13 of moving obstacle-crossing mechanical arm clamp power transmission line, ensure crusing robot steadily walking on power transmission line 3.
Enforcement case row three: in conjunction with Fig. 8, the walking arm 5 of walking mechanism I is longer than the auxiliary walking arm of walking mechanism II 10, but walking arm 5, auxiliary walking arm 10 and first connecting rod 6, second connecting rod 7 utilize the hinged formation parallelogram sturcutre of bearing pin 9; Support arm 8 utilizes two little parallelogram sturcutres of the hinged formation of bearing pin 9 with walking arm 5, first connecting rod 6, second connecting rod 7 and auxiliary walking arm 10, first connecting rod 6, second connecting rod 7 respectively.
Claims (9)
1. one kind is applicable to the moving obstacle-crossing mechanical arm of transmission line polling robot, comprise walking mechanism and support arm, walking mechanism comprises walking arm, is arranged on road wheel and the movable motor of walking arm upper end, road wheel is connected with movable motor by reduction box, it is characterized in that: also comprise auxiliary propelling machine and two connecting rods, described auxiliary propelling machine comprises auxiliary walking arm and is arranged on the secondary row travelling wheel of auxiliary walking arm upper end, one end and the walking arm of each connecting rod are hinged, the other end and auxiliary walking arm hinged, the middle part of support arm and two connecting rods is hinged.
2. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 1, it is characterized in that: the clamp system being made up of clamping motor, pinch wheels support and pinch wheels is installed on auxiliary propelling machine, clamping motor is arranged in auxiliary walking arm, pinch wheels support is connected with the output shaft of clamping motor, pinch wheels is arranged on pinch wheels support, in auxiliary walking arm, two limit switches is also installed.
3. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 1 and 2, is characterized in that: walking arm and auxiliary walking arm lengths are unequal.
4. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 1 and 2, is characterized in that: the cross sectional shape of walking arm, auxiliary walking arm and support arm is " class Y " shape.
5. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 3, is characterized in that: the cross sectional shape of walking arm, auxiliary walking arm and support arm is " class Y " shape.
6. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 1 and 2, is characterized in that: two road wheels and pinch wheels are V shaped wheel.
7. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 3, is characterized in that: two road wheels and pinch wheels are V shaped wheel.
8. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 4, is characterized in that: two road wheels and pinch wheels are V shaped wheel.
9. a kind of moving obstacle-crossing mechanical arm that is applicable to transmission line polling robot according to claim 5, is characterized in that: two road wheels and pinch wheels are V shaped wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237351.XU CN203839819U (en) | 2014-05-09 | 2014-05-09 | Obstacle surmounting mechanical arm suitable for power transmission line inspection robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237351.XU CN203839819U (en) | 2014-05-09 | 2014-05-09 | Obstacle surmounting mechanical arm suitable for power transmission line inspection robot |
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| CN203839819U true CN203839819U (en) | 2014-09-17 |
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| CN201420237351.XU Active CN203839819U (en) | 2014-05-09 | 2014-05-09 | Obstacle surmounting mechanical arm suitable for power transmission line inspection robot |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972816A (en) * | 2014-05-09 | 2014-08-06 | 哈尔滨工程大学 | Obstacle-crossing mechanical arm suitable for power transmission line inspection robot |
| CN104787139A (en) * | 2015-04-21 | 2015-07-22 | 华中科技大学 | Long and thin component flaw detection scanning crawl device based on flexible shaft drive |
| CN105429051A (en) * | 2015-12-22 | 2016-03-23 | 广东科凯达智能机器人有限公司 | Travelling and clamping combined tail end executor for inspection robot of power transmission line |
| CN105826862A (en) * | 2016-05-12 | 2016-08-03 | 济南舜风科技有限公司 | Engaged-drive walking wheel structure, line patrol robot mechanical structure and obstacle crossing method of same |
| CN106532563A (en) * | 2016-12-13 | 2017-03-22 | 马鞍山市华能电力线路器材有限责任公司 | Overhead support mechanism convenient to replace fittings |
| CN106786174A (en) * | 2016-12-13 | 2017-05-31 | 马鞍山市华能电力线路器材有限责任公司 | A kind of optical cable for clamping wire in conveying circuit clamps hardware fitting structure |
| CN107086489A (en) * | 2017-05-31 | 2017-08-22 | 武汉理工大学 | A kind of separable obstacle detouring mechanical arm applied to aerial high voltage power line robot |
| CN110011263A (en) * | 2019-05-06 | 2019-07-12 | 浦江亿岩机械设备有限公司 | A kind of cable line walking snow removal machine people |
| CN111015690A (en) * | 2019-12-31 | 2020-04-17 | 三峡大学 | High-voltage transmission line rescue robot and using method thereof |
| CN113644587A (en) * | 2021-07-13 | 2021-11-12 | 国网电力科学研究院武汉南瑞有限责任公司 | Power transmission line inspection system and method |
| CN114583616A (en) * | 2022-04-18 | 2022-06-03 | 贵州电网有限责任公司 | Walking obstacle crossing mechanism walking obstacle crossing mechanism of ice observation robot for power transmission line |
| CN114633245A (en) * | 2020-12-16 | 2022-06-17 | 国网智能科技股份有限公司 | Overhead line whole-course inspection robot and method |
| CN117080932A (en) * | 2023-06-06 | 2023-11-17 | 东北电力大学 | Self-balancing wheel type line inspection robot for power transmission line splicing sleeve |
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2014
- 2014-05-09 CN CN201420237351.XU patent/CN203839819U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103972816A (en) * | 2014-05-09 | 2014-08-06 | 哈尔滨工程大学 | Obstacle-crossing mechanical arm suitable for power transmission line inspection robot |
| CN103972816B (en) * | 2014-05-09 | 2017-02-15 | 哈尔滨工程大学 | Obstacle-crossing mechanical arm suitable for power transmission line inspection robot |
| CN104787139A (en) * | 2015-04-21 | 2015-07-22 | 华中科技大学 | Long and thin component flaw detection scanning crawl device based on flexible shaft drive |
| CN105429051A (en) * | 2015-12-22 | 2016-03-23 | 广东科凯达智能机器人有限公司 | Travelling and clamping combined tail end executor for inspection robot of power transmission line |
| CN105826862A (en) * | 2016-05-12 | 2016-08-03 | 济南舜风科技有限公司 | Engaged-drive walking wheel structure, line patrol robot mechanical structure and obstacle crossing method of same |
| CN106786174A (en) * | 2016-12-13 | 2017-05-31 | 马鞍山市华能电力线路器材有限责任公司 | A kind of optical cable for clamping wire in conveying circuit clamps hardware fitting structure |
| CN106532563A (en) * | 2016-12-13 | 2017-03-22 | 马鞍山市华能电力线路器材有限责任公司 | Overhead support mechanism convenient to replace fittings |
| CN107086489A (en) * | 2017-05-31 | 2017-08-22 | 武汉理工大学 | A kind of separable obstacle detouring mechanical arm applied to aerial high voltage power line robot |
| CN110011263A (en) * | 2019-05-06 | 2019-07-12 | 浦江亿岩机械设备有限公司 | A kind of cable line walking snow removal machine people |
| CN111015690A (en) * | 2019-12-31 | 2020-04-17 | 三峡大学 | High-voltage transmission line rescue robot and using method thereof |
| CN114633245A (en) * | 2020-12-16 | 2022-06-17 | 国网智能科技股份有限公司 | Overhead line whole-course inspection robot and method |
| CN113644587A (en) * | 2021-07-13 | 2021-11-12 | 国网电力科学研究院武汉南瑞有限责任公司 | Power transmission line inspection system and method |
| CN114583616A (en) * | 2022-04-18 | 2022-06-03 | 贵州电网有限责任公司 | Walking obstacle crossing mechanism walking obstacle crossing mechanism of ice observation robot for power transmission line |
| CN117080932A (en) * | 2023-06-06 | 2023-11-17 | 东北电力大学 | Self-balancing wheel type line inspection robot for power transmission line splicing sleeve |
| CN117080932B (en) * | 2023-06-06 | 2024-01-23 | 东北电力大学 | Self-balancing wheel type line inspection robot for power transmission line splicing sleeve |
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