CN116379308A - Power grid distribution cable tree obstacle monitoring device - Google Patents
Power grid distribution cable tree obstacle monitoring device Download PDFInfo
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- CN116379308A CN116379308A CN202310669749.4A CN202310669749A CN116379308A CN 116379308 A CN116379308 A CN 116379308A CN 202310669749 A CN202310669749 A CN 202310669749A CN 116379308 A CN116379308 A CN 116379308A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 32
- 230000004888 barrier function Effects 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000008093 supporting effect Effects 0.000 claims description 85
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000007689 inspection Methods 0.000 abstract description 7
- 238000011179 visual inspection Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
- F16M11/425—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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Abstract
The invention discloses a tree barrier monitoring device for a power distribution cable of a power grid, which belongs to the technical field of cable monitoring and comprises a frame piece, a first connecting rod, a second connecting rod, a first roller, a second roller, a driving assembly and a monitoring assembly; the frame member includes a first support arm, a second support arm, and a connecting arm; the frame piece is sleeved on the telegraph pole, the first roller and the second roller are respectively in rolling contact with the two sides of the telegraph pole, and then the driving assembly is started to drive the second roller to rotate, so that the frame piece is driven to lift on the telegraph pole; when the frame member is lifted to a proper height, the monitoring assembly is started, so that whether a tree barrier exists around the telegraph pole is monitored, the tree barrier is not required to be monitored in a manual inspection mode, and the efficiency is higher; and compare artifical visual inspection, this device observes the tree obstacle through monitoring component, and is more accurate to the position judgement of tree obstacle.
Description
Technical Field
The invention relates to the technical field of cable monitoring, in particular to a tree obstacle monitoring device for power distribution cables of a power grid.
Background
The distribution network generally comprises overhead lines, cables, towers, distribution transformers, isolating switches, reactive compensators, some auxiliary facilities and the like; the distribution lines of the distribution network with the voltage of 10kV and below have the characteristics of multiple nodes, wide distribution, long line distance and the like.
If the pruning work of some plants and trees is not timely enough, and the growth speed of the trees is high, the trees are extremely easy to form a tree barrier; if the tree barrier touches an overhead line of the power distribution network, the tree barrier can cause line tripping and even cause large-area power failure accidents, and hidden danger is caused for normal operation of the power distribution line.
At present, inspection is carried out on each tower pole of a power distribution network by manpower, tree barriers are monitored in time, but the workload of manual line inspection is huge, and the efficiency is low; in addition, the manual inspection process is carried out by visual inspection on the ground by inspection staff, so that the tree obstacle is observed, but the position judgment of the tree obstacle is inaccurate due to the limitation of the visual field.
Disclosure of Invention
The invention mainly aims to provide a tree obstacle monitoring device for power distribution cables of a power grid, and aims to solve the problems that the efficiency of the existing tree obstacle monitoring mode is low and the accuracy is low.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a power grid distribution cable tree obstacle monitoring device comprises a frame piece, a first connecting rod, a second connecting rod, a first roller, a second roller, a driving assembly and a monitoring assembly; the frame member includes a first support arm, a second support arm, and a connecting arm; one end of the connecting arm is arranged in a sliding penetrating mode on the first supporting arm, and the other end of the connecting arm is arranged in a sliding penetrating mode on the second supporting arm; the first support arm and the second support arm are parallel to and diametrically opposed to each other; the first support arm and the second support arm are perpendicular to the connecting arm; the first connecting rod is arranged on one side of the first supporting arm, which faces the second supporting arm; the second connecting rod is arranged on one side of the second supporting arm, which faces the first supporting arm; the first roller is coaxially and rotatably arranged on the first connecting rod, and the second roller is coaxially and rotatably arranged on the second connecting rod; the central axis of the first roller is parallel to the central axis of the second roller, and the first roller and the second roller are opposite; the first roller and the second roller are respectively used for being abutted against two sides of the telegraph pole; the driving assembly is arranged on the second connecting rod and used for driving the second roller to rotate so as to drive the frame piece to lift on the telegraph pole; the monitoring assembly is disposed in the frame member for monitoring whether a tree barrier exists.
Preferably, the first roller and the second roller are both rubber rollers; the section of the connecting arm is rectangular; the first connecting rod is parallel to the first supporting arm; the second connecting rod is parallel to the second supporting arm; the connecting arm is sleeved with a first baffle and a second baffle; a third baffle and a fourth baffle are respectively arranged at two ends of the connecting arm; the first baffle is close to the third baffle, and the second baffle is close to the fourth baffle; the first support arm is located between the first baffle and the third baffle, and the second support arm is located between the second baffle and the fourth baffle.
Preferably, the device further comprises a first spring and a second spring; the first spring and the second spring are sleeved on the connecting arm; one end of the first spring is connected with the third baffle plate, and the other end of the first spring is connected with the first supporting arm; the first spring is in a compressed state, and the elasticity of the first spring enables the first supporting arm to be abutted against the first baffle; one end of the second spring is connected with the fourth baffle, and the other end of the second spring is connected with the second supporting arm; the second spring is in a compressed state, and the elasticity of the second spring enables the second supporting arm to be abutted against the second baffle.
Preferably, the device further comprises a third spring, a fourth spring, a first sliding rod, a second sliding rod, a fifth baffle and a sixth baffle; the first slide bar and the second slide bar are vertically connected to the first support arm; the fifth baffle is connected to one end of the first sliding rod, which is far away from the first supporting arm; the sixth baffle is connected to one end of the second slide bar, which is far away from the first support arm; the two ends of the first connecting rod are respectively sleeved on the first sliding rod and the second sliding rod in a sliding way; the third spring is sleeved on the first slide rod, one end of the third spring is connected with the first supporting arm, the other end of the third spring is connected with the first connecting rod, the third spring is in a compressed state, and the elastic force of the third spring enables the first connecting rod to be abutted against the fifth baffle; the fourth spring is sleeved on the second slide rod, one end of the fourth spring is connected with the first supporting arm, the other end of the fourth spring is connected with the first connecting rod, the fourth spring is in a compressed state, and the elastic force of the fourth spring enables the first connecting rod to be abutted to the sixth baffle.
Preferably, the device further comprises a fifth spring, a sixth spring, a third slide bar, a fourth slide bar, a seventh baffle and an eighth baffle; the third slide bar and the fourth slide bar are vertically connected to the second supporting arm; the seventh baffle is connected to one end of the third sliding rod, which is far away from the second supporting arm; the eighth baffle is connected to one end of the fourth slide bar, which is far away from the second supporting arm; the two ends of the second connecting rod are respectively sleeved on the third sliding rod and the fourth sliding rod in a sliding way; the fifth spring is sleeved on the third slide bar, one end of the fifth spring is connected with the second supporting arm, the other end of the fifth spring is connected with the second connecting rod, the fifth spring is in a compressed state, and the elasticity of the fifth spring enables the second connecting rod to abut against the seventh baffle; the sixth spring is sleeved on the fourth slide bar, one end of the sixth spring is connected with the second supporting arm, the other end of the sixth spring is connected with the second connecting rod, the sixth spring is in a compressed state, and the elastic force of the sixth spring enables the second connecting rod to be abutted to the eighth baffle.
Preferably, the driving assembly comprises a sleeve, a worm gear, a worm and a motor; the sleeve is coaxially and rotatably sleeved on the second connecting rod; the second roller is coaxially and fixedly sleeved on the sleeve; the worm wheel is coaxially and fixedly sleeved on the sleeve; the second connecting rod is connected with a supporting plate; the worm is rotationally connected with the supporting plate; the worm wheel is meshed with the worm wheel; the motor is arranged on the supporting plate and used for driving the worm to rotate.
Preferably, the device further comprises a first rotating arm and a third roller; the first rotating arm is rotatably connected to one end of the first connecting rod; the rotating shaft of the first rotating arm relative to the first connecting rod is perpendicular to the first connecting rod; a first torsion spring is arranged at the rotary connection part of the first rotating arm and the first connecting rod, and the elastic force of the first torsion spring enables the first rotating arm to have a trend of moving in a direction away from the first supporting arm; the third roller is rotatably arranged on the first rotating arm; the third roller is used for rolling and abutting against the telegraph pole.
Preferably, the device further comprises a second rotating arm and a fourth roller; the second rotating arm is rotatably connected to the other end of the second connecting rod; the rotation axis of the second rotating arm relative to the first connecting rod is perpendicular to the first connecting rod; a second torsion spring is arranged at the rotary connection part of the second rotating arm and the first connecting rod, and the elastic force of the second torsion spring enables the second rotating arm to have a trend of moving in a direction away from the first supporting arm; the fourth roller is rotatably arranged on the second rotating arm; the fourth roller is used for rolling and abutting against the telegraph pole.
Preferably, the device further comprises a first sheave, a second sheave, a first guy cable, a second guy cable, a first sliding block, a first sliding rail, a second sliding block, a second sliding rail and a driving part; the first sheave and the second sheave are both rotatably arranged on the first supporting arm; the first sheave is adjacent to the first rotating arm, and the second sheave is adjacent to the second rotating arm; the first sliding rail and the second sliding rail are both arranged on the first supporting arm, the first sliding rail is close to the first sheave, and the second sliding rail is close to the second sheave; the first sliding block is arranged on the first sliding rail in a sliding way; the second sliding block is arranged on the second sliding rail in a sliding way; the extending directions of the first sliding rail and the second sliding rail are consistent;
one end of the first inhaul cable is connected to one end of the first rotating arm, which is far away from the first connecting rod; the other end of the first inhaul cable is wound on the first sheave in a matched mode and connected with the first sliding block; one end of the second inhaul cable is connected to one end of the second rotating arm, which is far away from the first connecting rod; the other end of the second inhaul cable is wound on the second sheave in a matched mode and connected with the second sliding block; the first sliding block and the second sliding block are symmetrical with the midpoint of the first supporting arm; the driving component is used for driving the first sliding block and the second sliding block to synchronously move in opposite directions.
Preferably, the driving part comprises a third inhaul cable, a fourth inhaul cable, a rotating shaft, a swinging arm, a turntable, a rotating plate, a sliding wedge block, a seventh spring and an electromagnet; an inner space is formed in the middle of the first supporting arm; the rotating shaft is rotatably arranged in the first supporting arm in a penetrating manner, and the rotating shaft is arranged in the inner space in a penetrating manner; the middle part of the swing arm is connected to the top of the rotating shaft; the turntable is coaxially connected to the bottom of the rotating shaft; one end of the third inhaul cable is connected with the first sliding block, and the other end of the third inhaul cable is connected with one end of the swing arm; one end of the fourth inhaul cable is connected with the second sliding block, and the other end of the fourth inhaul cable is connected with the other end of the swing arm;
the rotating plate is coaxially sleeved on the rotating shaft and is positioned in the inner space; the inner space is provided with a through groove; the sliding wedge block is embedded in the through groove in a sliding manner; a plurality of wedge-shaped notches are uniformly formed in the edge of the rotating plate in an annular mode; the seventh spring is arranged in the through groove, one end of the seventh spring is connected to the inner bottom of the through groove, and the other end of the seventh spring is connected to the sliding wedge block; the elastic force of the seventh spring enables the sliding wedge block to be abutted against the rotating plate; the electromagnet is arranged at the inner bottom of the through groove and is used for attracting the sliding wedge block so that the sliding wedge block is not abutted against the rotating plate any more; when the sliding wedge block is embedded into the wedge notch, the rotating plate can only rotate forward and cannot rotate reversely; when the rotating plate rotates positively, the rotating shaft is driven to rotate positively, and the swing arm rotates positively so as to drive the first sliding block and the second sliding block to move towards each other.
Compared with the prior art, the invention has at least the following beneficial effects:
the power grid distribution cable tree obstacle monitoring device provided by the invention has higher efficiency and accuracy; when the electric pole lifting device is used, the frame piece is sleeved on the electric pole, the first roller and the second roller are respectively in rolling contact with the two sides of the electric pole, and then the driving assembly is started to drive the second roller to rotate, so that the frame piece is driven to lift on the electric pole; when the frame member is lifted to a proper height, the monitoring assembly is started, so that whether a tree barrier exists around the telegraph pole is monitored, the tree barrier is not required to be monitored in a manual inspection mode, and the efficiency is higher; and compare artifical visual inspection, this device observes the tree obstacle through monitoring component, and is more accurate to the position judgement of tree obstacle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a tree obstacle monitoring device for power distribution cables of a power grid according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of a tree obstacle monitoring device for power distribution cables in another state according to the present invention;
fig. 3 is a schematic partial structure diagram of an embodiment of a tree obstacle monitoring device for power distribution cables of a power grid according to the present invention.
Reference numerals illustrate:
110. a connecting arm; 120. a first support arm; 130. a second support arm; 140. a first baffle; 150. a second baffle; 160. a third baffle; 170. a fourth baffle; 180. a first spring; 190. a second spring; 210. a first slide bar; 220. a second slide bar; 230. a third slide bar; 240. a fourth slide bar; 250. a fifth baffle; 260. a sixth baffle; 270. a seventh baffle; 280. an eighth baffle; 290. a third spring; 310. a fourth spring; 320. a fifth spring; 330. a sixth spring; 340. a first connecting rod; 350. a second connecting rod; 360. a first roller; 370. a second roller; 380. a pole; 390. a first rotating arm; 410. a second rotating arm; 420. a third roller; 430. a fourth roller; 440. a first cable; 450. a second guy cable; 460. a primary sheave; 470. a second sheave; 480. a third guy cable; 490. a fourth cable; 510. a first slide rail; 520. a second slide rail; 530. a first slider; 540. a second slider; 550. swing arms; 560. a turntable; 570. an inner space; 580. a rotating plate; 590. a rotating shaft; 610. wedge-shaped notch; 620. a through groove; 630. an electromagnet; 640. a seventh spring; 650. a sliding wedge; 660. a sleeve; 670. a worm wheel.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The invention provides a tree obstacle monitoring device for a power distribution cable of a power grid.
Referring to fig. 1-3, in an embodiment of a power grid distribution cable tree barrier monitoring device according to the present invention, the power grid distribution cable tree barrier monitoring device includes a frame member, a first connecting rod 340, a second connecting rod 350, a first roller 360, a second roller 370, a driving assembly and a monitoring assembly (not shown); the frame member includes a first support arm 120, a second support arm 130, and a connecting arm 110; one end of the connecting arm 110 is slidably arranged on the first supporting arm 120 in a penetrating manner, and the other end of the connecting arm 110 is slidably arranged on the second supporting arm 130 in a penetrating manner; the first support arm 120 and the second support arm 130 are parallel to and diametrically opposed to each other; the first support arm 120 and the second support arm 130 are both perpendicular to the connecting arm 110; the first connecting rod 340 is disposed on a side of the first supporting arm 120 facing the second supporting arm 130; the second connecting rod 350 is disposed on a side of the second support arm 130 facing the first support arm 120; the first roller 360 is coaxially rotatably disposed on the first connecting rod 340, and the second roller 370 is coaxially rotatably disposed on the second connecting rod 350; the central axis of the first roller 360 is parallel to the central axis of the second roller 370, and the first roller 360 and the second roller 370 are opposite; the first roller 360 and the second roller 370 are respectively used for being abutted against two sides of the telegraph pole 380; the driving assembly is disposed on the second connecting rod 350 for driving the second roller 370 to rotate so as to drive the frame member to lift on the pole 380; the monitoring component is arranged on the frame piece for monitoring whether a tree obstacle exists.
Specifically, the present grid distribution cable tree barrier monitoring device further includes a blocking arm hinged to an end of the second supporting arm 130 away from the connecting arm 110; the other end of the blocking arm can be buckled with one end, far away from the connecting arm 110, of the first supporting arm 120, and the overall structural strength of the buckled frame piece is higher; the power distribution cable tree obstacle monitoring device of the power grid further comprises a display module (such as a handheld display screen); the monitoring assembly comprises an infrared obstacle avoidance sensor, a camera and a wireless communication module; the infrared obstacle avoidance sensor and the camera are in communication connection with the display module through the wireless communication module, when the frame piece is lifted to a proper height, the camera and the infrared obstacle avoidance sensor are started, aerial images of the horizontal height are shot through the camera, and the aerial images are sent to the display module to be displayed, so that operators can conveniently judge that tree obstacles exist quite; and the infrared obstacle avoidance sensor can also be used for directly detecting whether a tree obstacle exists or not, and sending the detection result to the display module for display.
The power grid distribution cable tree obstacle monitoring device provided by the invention has higher efficiency and accuracy; when in use, the frame member is sleeved on the telegraph pole 380, the first roller 360 and the second roller 370 are respectively in rolling contact with two sides of the telegraph pole 380, and then the driving assembly is started to drive the second roller 370 to rotate, so that the frame member is driven to lift on the telegraph pole 380; when the frame member is lifted to a proper height, the monitoring assembly is started, so that whether a tree barrier exists around the telegraph pole 380 is monitored, the tree barrier is not required to be monitored in a manual inspection mode, and the efficiency is higher; and compare artifical visual inspection, this device observes the tree obstacle through monitoring component, and is more accurate to the position judgement of tree obstacle.
In addition, the first roller 360 and the second roller 370 are both rubber rollers (friction and driving effects are better); the cross section of the connecting arm 110 is rectangular (so that the first support arm 120 and the second support arm 130 can be always parallel when sliding relatively); the first connecting rod 340 is parallel to the first support arm 120; the second connecting bar 350 is parallel to the second support arm 130; the connecting arm 110 is sleeved with a first baffle 140 and a second baffle 150; the third baffle 160 and the fourth baffle 170 are respectively arranged at two ends of the connecting arm 110; the first baffle 140 is adjacent to the third baffle 160, and the second baffle 150 is adjacent to the fourth baffle 170; the first support arm 120 is positioned between the first barrier 140 and the third barrier 160, and the second support arm 130 is positioned between the second barrier 150 and the fourth barrier 170. Through the technical scheme, the concrete structure of the power grid distribution cable tree obstacle monitoring device is perfected.
Meanwhile, the power grid distribution cable tree obstacle monitoring device further comprises a first spring 180 and a second spring 190; the first spring 180 and the second spring 190 are both sleeved on the connecting arm 110; one end of the first spring 180 is connected to the third baffle 160, and the other end of the first spring 180 is connected to the first support arm 120; the first spring 180 is in a compressed state, and the elastic force of the first spring 180 enables the first supporting arm 120 to abut against the first baffle 140; one end of the second spring 190 is connected to the fourth baffle 170, and the other end of the second spring 190 is connected to the second support arm 130; the second spring 190 is in a compressed state, and the elastic force of the second spring 190 makes the second support arm 130 abut against the second baffle 150.
In use, the first and second support arms 120, 130 are held and then the first and second support arms 120, 130 are pulled to expand the first and second support arms 120, 130, thereby facilitating the sheathing of the frame member over the pole 380.
Specifically, the present grid distribution cable tree barrier monitoring device further includes a third spring 290, a fourth spring 310, a first sliding rod 210, a second sliding rod 220, a fifth baffle 250, and a sixth baffle 260; the first slide bar 210 and the second slide bar 220 are both vertically connected to the first support arm 120; the fifth baffle 250 is connected to an end of the first slide bar 210 facing away from the first support arm 120; the sixth baffle 260 is connected to an end of the second slide bar 220 facing away from the first support arm 120; the two ends of the first connecting rod 340 are respectively slidably sleeved on the first sliding rod 210 and the second sliding rod 220; the third spring 290 is sleeved on the first sliding rod 210, one end of the third spring 290 is connected to the first supporting arm 120, the other end of the third spring 290 is connected to the first connecting rod 340, the third spring 290 is in a compressed state, and the elastic force of the third spring 290 enables the first connecting rod 340 to abut against the fifth baffle 250; the fourth spring 310 is sleeved on the second sliding rod 220, one end of the fourth spring 310 is connected to the first supporting arm 120, the other end of the fourth spring 310 is connected to the first connecting rod 340, the fourth spring 310 is in a compressed state, and the elastic force of the fourth spring 310 enables the first connecting rod 340 to abut against the sixth baffle 260.
Through the above technical scheme, when the frame member is sleeved on the telegraph pole 380, the elastic force of the third spring 290 and the fourth spring 310 enables the first roller 360 to be elastically abutted on the telegraph pole 380, so that the first roller 360 and the telegraph pole 380 are kept to be always tightly abutted, and further the supporting effect is ensured.
In addition, the present grid distribution cable tree barrier monitoring device further includes a fifth spring 320, a sixth spring 330, a third slide bar 230, a fourth slide bar 240, a seventh baffle 270, and an eighth baffle 280; the third slide bar 230 and the fourth slide bar 240 are both vertically connected to the second support arm 130; the seventh baffle 270 is connected to an end of the third slide bar 230 facing away from the second support arm 130; the eighth baffle 280 is connected to an end of the fourth slide bar 240 facing away from the second support arm 130; the two ends of the second connecting rod 350 are respectively slidably sleeved on the third slide rod 230 and the fourth slide rod 240; the fifth spring 320 is sleeved on the third sliding rod 230, one end of the fifth spring 320 is connected to the second supporting arm 130, the other end of the fifth spring 320 is connected to the second connecting rod 350, the fifth spring 320 is in a compressed state, and the elasticity of the fifth spring 320 enables the second connecting rod 350 to abut against the seventh baffle 270; the sixth spring 330 is sleeved on the fourth sliding rod 240, one end of the sixth spring 330 is connected to the second supporting arm 130, the other end of the sixth spring 330 is connected to the second connecting rod 350, the sixth spring 330 is in a compressed state, and the elastic force of the sixth spring 330 makes the second connecting rod 350 contact with the eighth baffle 280.
Through the above technical scheme, when the frame member is sleeved on the telegraph pole 380, the elastic force of the fifth spring 320 and the sixth spring 330 enables the second roller 370 to be elastically abutted on the telegraph pole 380, so that the second roller 370 and the telegraph pole 380 are kept to be always tightly abutted, and the driving effect of the second roller 370 is further ensured.
In addition, the driving assembly includes a sleeve 660, a worm wheel 670, a worm (not shown), and a motor (not shown); the sleeve 660 is coaxially and rotatably sleeved on the second connecting rod 350; the second roller 370 is coaxially and fixedly sleeved on the sleeve 660; the worm gear 670 is coaxially and fixedly sleeved on the sleeve 660; the second connection rod 350 is connected to a support plate (not shown); the worm is rotationally connected with the supporting plate; worm gear 670 meshes with worm gear 670; the motor is arranged on the supporting plate and used for driving the worm to rotate.
By means of the driving connection mode of the worm wheel 670 worm, on one hand, moment can be reduced, on the other hand, self-locking of the second roller 370 can be achieved, and therefore when the second roller 370 stops rolling, the second roller 370 can be fixed at a position relative to the telegraph pole 380, and the whole frame piece is fixed at any height of the telegraph pole 380.
Meanwhile, the power distribution cable tree obstacle monitoring device of the power grid further comprises a first rotating arm 390 and a third roller 420; the first rotating arm 390 is rotatably connected to one end of the first connecting rod 340; the rotation axis of the first rotating arm 390 opposite to the first connecting rod 340 is perpendicular to the first connecting rod 340; a first torsion spring (not shown) is provided at the rotational connection of the first rotating arm 390 and the first connecting rod 340, and the elastic force of the first torsion spring makes the first rotating arm 390 have a tendency to move away from the first supporting arm 120; the third roller 420 is rotatably disposed on the first rotating arm 390; the third roller 420 is configured to roll against the pole 380.
Specifically, the present power grid distribution cable tree obstacle monitoring device further includes a second boom 410 and a fourth roller 430; the second swing arm 410 is rotatably connected to the other end of the second connection lever 350; and the rotation axis of the second swing arm 410 relative to the first connecting rod 340 is perpendicular to the first connecting rod 340; a second torsion spring (not shown) is provided at the rotational connection of the second swing arm 410 and the first connecting rod 340, and the elastic force of the second torsion spring makes the second swing arm 410 have a tendency to move in a direction away from the first supporting arm 120; the fourth roller 430 is rotatably disposed on the second rotating arm 410; the fourth roller 430 is configured to roll against the pole 380.
Through the above technical scheme, when in use, the first rotating arm 390 has a tendency to move away from the first supporting arm 120 due to the elasticity of the first torsion spring, so that the third roller 420 rolls and abuts against the telegraph pole 380; because of the elastic force of the second torsion spring, the second rotating arm 410 has a tendency to move away from the first supporting arm 120, so that the fourth roller 430 is in rolling contact with the telegraph pole 380, the number of rollers in rolling contact with the telegraph pole 380 is increased, and the overall stability of the frame member is ensured.
In addition, the present power grid distribution cable tree obstacle monitoring device further includes a first sheave 460, a second sheave 470, a first cable 440, a second cable 450, a first slider 530, a first sliding rail 510, a second slider 540, a second sliding rail 520, and a driving component; the first sheave 460 and the second sheave 470 are both rotatably disposed on the first support arm 120; the primary sheave 460 is adjacent the primary swivel arm 390 and the secondary sheave 470 is adjacent the secondary swivel arm 410; the first sliding rail 510 and the second sliding rail 520 are both arranged on the first supporting arm 120, the first sliding rail 510 is close to the first sheave 460, and the second sliding rail 520 is close to the second sheave 470; the first slider 530 is slidably disposed on the first sliding rail 510; the second slider 540 is slidably disposed on the second sliding rail 520; the extending directions of the first rail 510 and the second rail 520 are identical.
One end of the first cable 440 is connected to one end of the first rotating arm 390 away from the first connecting rod 340; the other end of the first guy cable 440 is wound around the first sheave 460 in a matching way and is connected to the first sliding block 530; one end of the second cable 450 is connected to one end of the second swivel arm 410, which is far away from the first connecting rod 340; the other end of the second guy cable 450 is fittingly wound around the second sheave 470 and connected to the second slider 540; the first slider 530 and the second slider 540 are symmetrical about the midpoint of the first support arm 120; the driving part is used for driving the first sliding block 530 and the second sliding block 540 to synchronously move towards each other.
Through the above technical scheme, the positions of the first rotating arm 390 and the second rotating arm 410 can be synchronously adjusted, when the first rotating arm 390 and the second rotating arm 410 are required to be sleeved on the telegraph pole 380, the first rotating arm 390 and the second rotating arm 410 are adjusted to be closer to the first supporting arm 120 (as shown in fig. 2), so that the frame piece is more convenient to sleeve on the telegraph pole 380, and after the telegraph pole 380 is sleeved, the positions of the first rotating arm 390 and the second rotating arm 410 can be synchronously adjusted again, so that the third roller 420 and the fourth roller 430 are in rolling abutting connection with the telegraph pole 380.
In addition, as shown in fig. 1 to 3, the driving part includes a third cable 480, a fourth cable 490, a rotation shaft 590, a swing arm 550, a turn plate 560, a turn plate 580, a sliding wedge 650, a seventh spring 640, and an electromagnet 630; an inner space 570 is formed in the middle of the first support arm 120; the rotating shaft 590 is rotatably disposed through the first supporting arm 120, and the rotating shaft 590 is disposed through the inner space 570; the middle part of the swing arm 550 is connected to the top of the rotating shaft 590; the turntable 560 is coaxially connected to the bottom of the rotating shaft 590; one end of the third guy cable 480 is connected to the first slider 530, and the other end of the third guy cable 480 is connected to one end of the swing arm 550; one end of the fourth cable 490 is connected to the second slider 540, and the other end of the fourth cable 490 is connected to the other end of the swing arm 550.
The rotating plate 580 is coaxially sleeved on the rotating shaft 590, and the rotating plate 580 is located in the inner space 570; the inner space 570 is provided with a through groove 620; the sliding wedge 650 is slidably inserted into the through slot 620; a plurality of wedge-shaped notches 610 are uniformly formed on the edge ring shape of the rotating plate 580; the seventh spring 640 is disposed in the through groove 620, one end of the seventh spring 640 is connected to the inner bottom of the through groove 620, and the other end of the seventh spring 640 is connected to the sliding wedge 650; the sliding wedge 650 is abutted against the rotating plate 580 by the elastic force of the seventh spring 640; the electromagnet 630 is disposed at the inner bottom of the through groove 620, and the electromagnet 630 is used for attracting the sliding wedge 650, so that the sliding wedge 650 is no longer abutted against the rotating plate 580; when the sliding wedge 650 is inserted into the wedge gap 610, the rotating plate 580 can only rotate forward and cannot rotate backward; when the rotating plate 580 rotates forward, the rotating shaft 590 is driven to rotate forward, and the swing arm 550 rotates forward to drive the first slider 530 and the second slider 540 to move toward each other.
Through the above technical solution, the structure and function of the driving component are perfected, when the first rotating arm 390 and the second rotating arm 410 need to be adjusted to be closer to the first supporting arm 120, the rotating disc 560 is manually rotated forward to drive the rotating shaft 590 to rotate forward, so as to drive the swing arm 550 to rotate forward, so as to drive the first slider 530 and the second slider 540 to move towards each other, and drive the first rotating arm 390 and the second rotating arm 410 to be closer to the first supporting arm 120 through the first cable 440 and the second cable 450 (in this process, the electromagnet 630 is in a power-off state, i.e. the sliding wedge 650 is always elastically abutted against the rotating plate 580, and the sliding wedge 650 can be matched with the embedded wedge notch 610, so that the rotating plate 580 cannot rotate reversely, thereby locking the position of the rotating plate 580 and further locking the position of the first rotating arm 390 and the second rotating arm 410).
When the third roller 420 and the fourth roller 430 need to be in rolling contact with the telegraph pole 380, the electromagnet 630 is controlled to be electrified, the electromagnet 630 attracts the sliding wedge 650, the sliding wedge 650 is not in contact with the wedge notch 610, and the first rotating arm 390 rotates in a direction away from the first supporting arm 120 under the action of the elasticity of the first torsion spring, so that the third roller 420 is in rolling contact with the telegraph pole 380; under the elastic force of the second torsion spring, the second rotating arm 410 rotates in a direction away from the first supporting arm 120, so that the fourth roller 430 rolls and abuts against the telegraph pole 380.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. The utility model provides a power grid distribution cable tree barrier monitoring devices which characterized in that includes frame member, head rod, second connecting rod, first gyro wheel, second gyro wheel, drive assembly and monitoring assembly; the frame member includes a first support arm, a second support arm, and a connecting arm; one end of the connecting arm is arranged in a sliding penetrating mode on the first supporting arm, and the other end of the connecting arm is arranged in a sliding penetrating mode on the second supporting arm; the first support arm and the second support arm are parallel to and diametrically opposed to each other; the first support arm and the second support arm are perpendicular to the connecting arm; the first connecting rod is arranged on one side of the first supporting arm, which faces the second supporting arm; the second connecting rod is arranged on one side of the second supporting arm, which faces the first supporting arm; the first roller is coaxially and rotatably arranged on the first connecting rod, and the second roller is coaxially and rotatably arranged on the second connecting rod; the central axis of the first roller is parallel to the central axis of the second roller, and the first roller and the second roller are opposite; the first roller and the second roller are respectively used for being abutted against two sides of the telegraph pole; the driving assembly is arranged on the second connecting rod and used for driving the second roller to rotate so as to drive the frame piece to lift on the telegraph pole; the monitoring component is arranged on the frame piece and is used for monitoring whether a tree obstacle exists or not;
the device also comprises a third spring, a fourth spring, a first slide bar, a second slide bar, a fifth baffle and a sixth baffle; the first slide bar and the second slide bar are vertically connected to the first support arm; the fifth baffle is connected to one end of the first sliding rod, which is far away from the first supporting arm; the sixth baffle is connected to one end of the second slide bar, which is far away from the first support arm; the two ends of the first connecting rod are respectively sleeved on the first sliding rod and the second sliding rod in a sliding way; the third spring is sleeved on the first slide rod, one end of the third spring is connected with the first supporting arm, the other end of the third spring is connected with the first connecting rod, the third spring is in a compressed state, and the elastic force of the third spring enables the first connecting rod to be abutted against the fifth baffle; the fourth spring is sleeved on the second slide rod, one end of the fourth spring is connected with the first supporting arm, the other end of the fourth spring is connected with the first connecting rod, the fourth spring is in a compressed state, and the elastic force of the fourth spring enables the first connecting rod to be abutted to the sixth baffle.
2. The power grid distribution cable tree obstacle monitoring device according to claim 1, wherein the first roller and the second roller are rubber rollers; the section of the connecting arm is rectangular; the first connecting rod is parallel to the first supporting arm; the second connecting rod is parallel to the second supporting arm; the connecting arm is sleeved with a first baffle and a second baffle; a third baffle and a fourth baffle are respectively arranged at two ends of the connecting arm; the first baffle is close to the third baffle, and the second baffle is close to the fourth baffle; the first support arm is located between the first baffle and the third baffle, and the second support arm is located between the second baffle and the fourth baffle.
3. The power grid distribution cable tree barrier monitoring device of claim 2, further comprising a first spring and a second spring; the first spring and the second spring are sleeved on the connecting arm; one end of the first spring is connected with the third baffle plate, and the other end of the first spring is connected with the first supporting arm; the first spring is in a compressed state, and the elasticity of the first spring enables the first supporting arm to be abutted against the first baffle; one end of the second spring is connected with the fourth baffle, and the other end of the second spring is connected with the second supporting arm; the second spring is in a compressed state, and the elasticity of the second spring enables the second supporting arm to be abutted against the second baffle.
4. The power grid distribution cable tree barrier monitoring device of claim 1, further comprising a fifth spring, a sixth spring, a third slide bar, a fourth slide bar, a seventh baffle, and an eighth baffle; the third slide bar and the fourth slide bar are vertically connected to the second supporting arm; the seventh baffle is connected to one end of the third sliding rod, which is far away from the second supporting arm; the eighth baffle is connected to one end of the fourth slide bar, which is far away from the second supporting arm; the two ends of the second connecting rod are respectively sleeved on the third sliding rod and the fourth sliding rod in a sliding way; the fifth spring is sleeved on the third slide bar, one end of the fifth spring is connected with the second supporting arm, the other end of the fifth spring is connected with the second connecting rod, the fifth spring is in a compressed state, and the elasticity of the fifth spring enables the second connecting rod to abut against the seventh baffle; the sixth spring is sleeved on the fourth slide bar, one end of the sixth spring is connected with the second supporting arm, the other end of the sixth spring is connected with the second connecting rod, the sixth spring is in a compressed state, and the elastic force of the sixth spring enables the second connecting rod to be abutted to the eighth baffle.
5. The power grid distribution cable tree barrier monitoring device of claim 4, wherein the drive assembly comprises a sleeve, a worm gear, a worm, and a motor; the sleeve is coaxially and rotatably sleeved on the second connecting rod; the second roller is coaxially and fixedly sleeved on the sleeve; the worm wheel is coaxially and fixedly sleeved on the sleeve; the second connecting rod is connected with a supporting plate; the worm is rotationally connected with the supporting plate; the worm wheel is meshed with the worm wheel; the motor is arranged on the supporting plate and used for driving the worm to rotate.
6. The power grid distribution cable tree obstacle monitoring device of claim 1, further comprising a first swivel arm and a third roller; the first rotating arm is rotatably connected to one end of the first connecting rod; the rotating shaft of the first rotating arm relative to the first connecting rod is perpendicular to the first connecting rod; a first torsion spring is arranged at the rotary connection part of the first rotating arm and the first connecting rod, and the elastic force of the first torsion spring enables the first rotating arm to have a trend of moving in a direction away from the first supporting arm; the third roller is rotatably arranged on the first rotating arm; the third roller is used for rolling and abutting against the telegraph pole.
7. The power grid distribution cable tree obstacle monitoring device of claim 6, further comprising a second swivel arm and a fourth roller; the second rotating arm is rotatably connected to the other end of the second connecting rod; the rotation axis of the second rotating arm relative to the first connecting rod is perpendicular to the first connecting rod; a second torsion spring is arranged at the rotary connection part of the second rotating arm and the first connecting rod, and the elastic force of the second torsion spring enables the second rotating arm to have a trend of moving in a direction away from the first supporting arm; the fourth roller is rotatably arranged on the second rotating arm; the fourth roller is used for rolling and abutting against the telegraph pole.
8. The power grid distribution cable tree obstacle monitoring device of claim 7, further comprising a first sheave, a second sheave, a first cable, a second cable, a first slider, a first slide rail, a second slider, a second slide rail, and a drive member; the first sheave and the second sheave are both rotatably arranged on the first supporting arm; the first sheave is adjacent to the first rotating arm, and the second sheave is adjacent to the second rotating arm; the first sliding rail and the second sliding rail are both arranged on the first supporting arm, the first sliding rail is close to the first sheave, and the second sliding rail is close to the second sheave; the first sliding block is arranged on the first sliding rail in a sliding way; the second sliding block is arranged on the second sliding rail in a sliding way; the extending directions of the first sliding rail and the second sliding rail are consistent;
one end of the first inhaul cable is connected to one end of the first rotating arm, which is far away from the first connecting rod; the other end of the first inhaul cable is wound on the first sheave in a matched mode and connected with the first sliding block; one end of the second inhaul cable is connected to one end of the second rotating arm, which is far away from the first connecting rod; the other end of the second inhaul cable is wound on the second sheave in a matched mode and connected with the second sliding block; the first sliding block and the second sliding block are symmetrical with the midpoint of the first supporting arm; the driving component is used for driving the first sliding block and the second sliding block to synchronously move in opposite directions.
9. The power grid distribution cable tree obstacle monitoring device of claim 8 wherein the drive means comprises a third cable, a fourth cable, a spindle, a swing arm, a turntable, a swivel plate, a sliding wedge, a seventh spring, and an electromagnet; an inner space is formed in the middle of the first supporting arm; the rotating shaft is rotatably arranged in the first supporting arm in a penetrating manner, and the rotating shaft is arranged in the inner space in a penetrating manner; the middle part of the swing arm is connected to the top of the rotating shaft; the turntable is coaxially connected to the bottom of the rotating shaft; one end of the third inhaul cable is connected with the first sliding block, and the other end of the third inhaul cable is connected with one end of the swing arm; one end of the fourth inhaul cable is connected with the second sliding block, and the other end of the fourth inhaul cable is connected with the other end of the swing arm;
the rotating plate is coaxially sleeved on the rotating shaft and is positioned in the inner space; the inner space is provided with a through groove; the sliding wedge block is embedded in the through groove in a sliding manner; a plurality of wedge-shaped notches are uniformly formed in the edge of the rotating plate in an annular mode; the seventh spring is arranged in the through groove, one end of the seventh spring is connected to the inner bottom of the through groove, and the other end of the seventh spring is connected to the sliding wedge block; the elastic force of the seventh spring enables the sliding wedge block to be abutted against the rotating plate; the electromagnet is arranged at the inner bottom of the through groove and is used for attracting the sliding wedge block so that the sliding wedge block is not abutted against the rotating plate any more; when the sliding wedge block is embedded into the wedge notch, the rotating plate can only rotate forward and cannot rotate reversely; when the rotating plate rotates positively, the rotating shaft is driven to rotate positively, and the swing arm rotates positively so as to drive the first sliding block and the second sliding block to move towards each other.
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| CN202310669749.4A CN116379308B (en) | 2023-06-07 | 2023-06-07 | Power grid distribution cable tree obstacle monitoring device |
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| CN202310669749.4A CN116379308B (en) | 2023-06-07 | 2023-06-07 | Power grid distribution cable tree obstacle monitoring device |
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| CN116379308B CN116379308B (en) | 2023-08-08 |
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| CN116379308B (en) | 2023-08-08 |
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Denomination of invention: A Tree Barrier Monitoring Device for Power Grid Distribution Cables Granted publication date: 20230808 Pledgee: Weihai City Commercial Bank Co.,Ltd. Zhudao Sub branch Pledgor: Shandong shuanghai electrical equipment installation Co.,Ltd. Registration number: Y2024980022200 |