A kind of transmission line of electricity screen of trees clears up special line throwing apparatus
The present invention relates to transmission line of electricity O＆M equipment, relates in particular to a kind of transmission line of electricity screen of trees and clears up special shooting rope dress
With the fast development of China's economy and the in-depth reform of power system, the degree of power grid construction and scale constantly expand
Greatly, overhead transmission line distribution is multi-point and wide-ranging, intricate, the safety and stability fortune of the factor such as external environment impact transmission line of electricity
OK, the tripping operation that its centreline tree contradiction is caused becomes one of important potential safety hazard.
In transmission line of electricity operation maintenance, in order to effectively prevent causing sending out for transmission line of electricity trip accident because of line tree contradiction
Raw, operation maintenance personnel needs periodically to carry out felling defect elimination to screen of trees point in administrative electric transmission line channel and protection zone.However, due to receiving
The impact of the factors such as topography and geomorphology, weather conditions, seeds feature, during screen of trees felling defect elimination, generally requires to adopt rope
The method of traction accurately controls trees to swing to, to guarantee the safety of operating personnel and electric power facility.
At present, in obstacle removing of power transmission line operation process, staff needs climbing trees or carries out high-altitude by long ladder
Rope, or traction effect is realized through branch by ground staff's throwing rope.The former work efficiency is relatively low lower and increases
Plus worker safety's risk, the latter then completely relies on staff's experience, and fortune determines that composition is larger, often work efficiency pole
For low and traction effect is not good.
Content of the invention
The technical problem to be solved is to provide a kind of simple structure, and easy to operate, shooting rope position is accurate, success
The high transmission line of electricity screen of trees of rate clears up special line throwing apparatus.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of transmission line of electricity screen of trees cleaning is special
Line throwing apparatus, including pulley, support shaft, bracing frame, link and support bar, the pulley rotation is arranged on the support shaft
On, the two ends of the support shaft are separately fixed on support frame as described above, and the link has for being overlapped on determining on branch
Position portion, and first connecting portion and the second connecting portion at the two ends of the location division is arranged on, support frame as described above and described first
Connecting portion is connected, and the support bar is connected with the second connecting portion.
Further, support frame as described above includes left support plate, right support plate and connecting rod, and the two ends of the connecting rod are divided
Not Chuan Guo the left support plate and right support plate, and the two ends of the connecting rod are formed respectively with external screw thread and are connected with the first spiral shell
Mother, is accordingly respectively equipped with defining flange at the position of the left support plate and right support plate in the connecting rod.
Further, the two ends of the support shaft are each passed through the left support plate and right support plate, and the support shaft
Two ends be also formed with external screw thread and be connected with the second nut.
Further, the first connecting portion is located in one end of the connecting rod and is located at first nut and support
Further, the first connecting portion is located in one end of the connecting rod and support shaft and is located at first spiral shell
Between female, the second nut and bracing frame..
Further, the first connecting portion is integral type component with support frame as described above.
Further, the location division is parallel to the support shaft.
Further, the support bar is expansion link.
Further, the support bar is detachably connected with the second connecting portion.
Further, the support bar is adopted and is made from an insulative material or Surface coating has insulating protective layer.
Beneficial effects of the present invention are：
Present configuration is simple, it is easy to make, and can be used on ground by support bar, easy to operate, shooting rope position
Accurate, success rate height is put, possesses the advantage that Work tool is automatically separated with rope, the cleaning shooting rope operation of transmission line of electricity screen of trees is realized,
Effectively evasive action personnel ascend a height and fall or the security risk such as accidental shock, effectively increase work efficiency.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
In accompanying drawing, each part is labeled as：1 pulley, 2 support shafts, 21 second nuts, 3 bracing frames, 31 gripper shoes, 32 right sides
Fagging, 33 connecting rods, 34 first nuts, 35 defining flanges, 4 links, 41 location divisions, 42 first connecting portions, 43 second connections
Portion, 5 support bars, 6 ropes, 7 balancing weights, 8 branches.
The invention will be further described below in conjunction with the accompanying drawings：
Referring to Fig. 1.
The transmission line of electricity screen of trees of one embodiment of the invention clears up special line throwing apparatus, including pulley 1, support shaft 2, bracing frame
3rd, link 4 and support bar 5, the pulley 1 is rotatably installed in the support shaft 2, and the two ends of the support shaft 2 are solid respectively
Be scheduled on support frame as described above 3, the link 4 has for being overlapped on location division 41 on branch, and be arranged on described fixed
The first connecting portion 42 and second connecting portion 43 at the two ends in position portion 41, support frame as described above 3 is connected with the first connecting portion 42, institute
State support bar 5 to be connected with the second connecting portion 43.
When above-mentioned line throwing apparatus is used, first connect balancing weight 7 in one end of rope 6, then rope is wound on cunning in inverted U-shaped
On wheel 1, and hold rope, it is ensured that one end of the connection balancing weight of rope should not fall too much, substantially in the position of bracing frame, join
Pouring weight is designed to strip, and length prevents rope from returning cunning slightly larger than the width of support, and then hand-held supports bar 5 is lifted upwards, will
The location division 41 of link 4 is overlapped on the top of correct position branch 8, and the two ends of such rope are located at the both sides of branch respectively,
Rope is loosened afterwards, and one end of rope falls the opposite side of branch under the action of gravity of balancing weight, after balancing weight landing, behaviour
Make personnel's adjustment line throwing apparatus, rope can be deviate from from pulley 1 and hang over branch, and realizing rope is separated with line throwing apparatus, finally
Operator are easily accomplished screen of trees cleaning towage by picking up the two ends of rope.
In the present embodiment, support frame as described above 3 includes left support plate 31, right support plate 32 and connecting rod 33, the connection
The two ends of bar 33 are each passed through the left support plate 31 and right support plate 32, and the two ends of the connecting rod 33 are formed respectively with outer spiral shell
Stricture of vagina is simultaneously connected with the first nut 34, in the connecting rod 33 accordingly at the position of the left support plate 31 and right support plate 32 respectively
It is provided with defining flange 35.3 simple structure of this bracing frame, it is easy to make, and the function with repeatable dismounting, and to cunning
Blocking for wheel 1 is few, it is ensured that rope is easily deviate from.
In the present embodiment, the two ends of the support shaft 2 are each passed through the left support plate 31 and right support plate 32, and described
The two ends of support shaft 2 are also formed with external screw thread and are connected with the second nut 21.Similarly, support shaft 2 is adopted and is connected in this way, behaviour
Make simple, easily enforcement, and installation is firm.
In the present embodiment, the first connecting portion 42 is located in one end of the connecting rod 33 and support shaft 2 and is located at institute
State between the first nut 34, the second nut 21 and bracing frame 3.Using this structure, it is not necessary in addition arrange fixture to connect
First connecting portion 42 and bracing frame 3, enormously simplify structure, reduce the weight of device.
In being embodied as, it is to simplify structure further, first connecting portion 42 can also be made of one with left support plate 31
In the present embodiment, location division 41 and first connecting portion 42 are plate-like, and the location division 41 is parallel to the support shaft
2, first connecting portion 42 perpendicular to location division 41 and is protruded upward, and second connecting portion 43 is also perpendicularly to location division 41 and stretches downwards
Go out, so design and be conveniently connected with bracing frame 3 and support bar 5, and when using, be more prone to make the two ends of rope to be located at respectively
The both sides of branch.
In the present embodiment, the support bar 5 is expansion link.Using this structure, not only it is convenient for carrying and receives and keeps, Er Qieke
To clear up the highly different of screen of trees as needed, the length of support bar 5 is adjusted, improve practicality；Expansion link uses existing product,
Expansion link used by such as self-shooting bar.
In the present embodiment, the support bar 5 is detachably connected with the second connecting portion 43.Using this structure, institute
State support bar 5 to be dismounted as needed, be convenient for carrying and receive and keep.In being embodied as, second connecting portion 43 is using hollow
Axle is simultaneously formed with female thread, the upper end external screw thread of support bar 5, and both screw threads coordinate realization to be detachably connected.
In the present embodiment, the support bar 5 is adopted and is made from an insulative material or Surface coating has insulating protective layer.Insulation protection
Layer can be insulating tape or rubber etc..In addition, 5 surface of support bar can antiskid thread processed, with increasing friction force.
It should be understood that example as herein described and embodiment are not limited to the present invention, this area only for explanation
Technical staff can make various modifications according to it or change, all any modifications that within the spirit and principles in the present invention, is made,
Equivalent, improvement etc., should be included within the scope of the present invention.