CN108365562A - Two-stage balanced counterweight draft gear adjustable in pitch - Google Patents
Two-stage balanced counterweight draft gear adjustable in pitch Download PDFInfo
- Publication number
- CN108365562A CN108365562A CN201810300823.4A CN201810300823A CN108365562A CN 108365562 A CN108365562 A CN 108365562A CN 201810300823 A CN201810300823 A CN 201810300823A CN 108365562 A CN108365562 A CN 108365562A
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- Prior art keywords
- counterweight
- connecting plate
- plate
- conducting wire
- towing bracket
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- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 16
- 241000826860 Trapezium Species 0.000 claims abstract description 7
- 210000003205 muscle Anatomy 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Electric Cable Installation (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention provides two-stage balanced counterweight draft gears adjustable in pitch, include right-angled trapezium plate and strip connecting plate by towing bracket, and two trapezoidal plates, which are sequentially overlapped, to be arranged in connecting plate；The head of two trapezoidal plates is rotated coaxially with connecting plate by shaft one and is connect, and is adjusted and positioned realizing the spacing to the outside joint hole of two trapezoidal plates by connecting bolt；The front end of towing bracket is connect by shaft coupling with traction rope, and the U-shaped ring in the both ends of rear end in the width direction is connect by drawbar extension bar with conducting wire respectively；Two counterweight hinges are respectively symmetrically located at the both ends of drawbar extension bar, and setting corresponding with the conducting wire of two outermost sides of rear end.The configuration of the present invention is simple, installation operation is convenient, repeats and utilizes, and economical and practical, reasonable design is compact-sized, can use in drawing the wire rods such as various grounded-lines unfolding engineering, can guarantee show line construction safety, simple, quick, is suitble to be widely popularized.
Description
Technical field
The present invention relates to electric system technical field of auxiliary equipment, and in particular to two-stage balanced counterweight traction adjustable in pitch
Device.
Background technology
Due to the development of society, scientific and technical progress, people use Modern Construction equipment in various constructions
It is more and more common, construction work efficiency is improved, human casualty accident, effective protection people property and life security are reduced,
Accomplish harmonious development, makes for fairly comfortable life and larger contributing.In power grid construction construction, wire erection is the important of power construction
Link is affected to the completion time of project, and is working at height, and security risk is also larger, and careless operation results in falling from high altitude people
Body casualty accident causes heavy losses to national wealth and family life.It is had the following problems when traditional spreading lead wire and earth wire：1, one
Root traction rope can only unfold root root conducting wire, and when drawing three, one lays particular stress on, and working efficiency is low；2, because limp is mounted on draught line
On axis, configuration weight is heavier, and counterweight mode is unreasonable；3, intermediate installation weight, cannot draw conducting wire；When 4, crossing coaster, also
Easily rotation；5, limp wire spacing is fixed, and does not adapt to various various sizes of releasing pulleys；6, counterweight hinge passes through coaster
Afterwards, since counterweight hinge is longer, vibrations of falling suddenly are larger, increase construction safety risk；7, when coaster is passed through in limp, due to matching
Weight hinge loses counterweight effect, and limp also easily rotates, and causing to show cannot be normally carried out.Therefore it is needed using limp in the construction of line
It carries out perfect, better conforms to the requirement of Modern Construction Technology, improve efficiency, shorten the construction time, cost-effective, development of new
Equipment.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, the consummating function that takes measures being provided, is developed new
The unwrapping wire tractor for two-stage counterweight that type spacing is adjustable, reasonable design are compact-sized.
In order to achieve the above object, the present invention is achieved by the following technical programs：
Two-stage balanced counterweight draft gear adjustable in pitch, including towing bracket, counterweight hinge, shaft coupling and drawbar extension
Bar；The towing bracket includes right-angled trapezium plate and strip connecting plate, and two trapezoidal plates are sequentially laminated on the connection
On plate；The head of two trapezoidal plates is rotated coaxially with the connecting plate by shaft one and is connect, and tail portion passes through connection
Connection bolt clamping and positioning on plate；The elongated slot location hole of connecting plate tail portion described in the connection screw bolt passes, and pass through
The connection depth of the connection bolt and the connecting plate is adjusted to realize to the outside joint mounting hole of two trapezoidal plates
Spacing adjusts；The front end of the towing bracket is connect by shaft coupling with traction rope, the U-shaped ring in the both ends of rear end in the width direction point
It is not connect with conducting wire by drawbar extension bar；Two counterweight hinges are respectively symmetrically located at the both ends of the drawbar extension bar,
And setting corresponding with the conducting wire of two outermost sides of rear end.
Further, the drawbar extension bar is that multiple chain nodal plates head and the tail are sequentially connected in series structure.
Further, the length of the drawbar extension bar is more than the length of the counterweight hinge ().
Further, the side of two trapezoidal plate binding face elongated slot location holes is equipped with intermeshing rack structure.
Further, the U-shaped ring open end is fixedly connected with the rear end of the towing bracket, and with the shaft coupling
One end connects, and the other end of the shaft coupling is connect with the conducting wire.
Further, the centre position below the connecting plate along its length is additionally provided with the arc-shaped positioning of evagination and leads
Muscle.
Further, the counterweight hinge includes multiple headtotails in the chain nodal plate of string and to concatenate multiple chain link
The axis pin of piece；The counterweight hinge is hinged by the head string joint of top chain nodal plate and the towing bracket rear portion.
Further, the chain nodal plate is sheet steel construction, and the chain link on piece is equipped with matched recessed with the conducting wire
Slot.
Compared with prior art, beneficial effects of the present invention are：
1, the present invention configures configuration hinge by both sides when in use, and control rotating torque is larger, and limp traction is led
Line smooth running, and counterweight hinge pass through coaster when, vibrations it is small.
It 2, can be according to the distance for using coaster by the distance of both sides towing pad between the split type traction support plate tail portion of setting
It is adjusted, is applicable in different releasing pulleys, and when towing bracket passes through coaster, will not rotate.
3, by a traction rope, multiple conducting wires are drawn, speed is fast, and work efficiency is high.
4, configuration hinge is configured by both sides, control rotating torque is larger, and conducting wire smooth running is drawn in limp, and conducting wire will not
It is twisted together, causes card line, while by configuring counterweight hinge in the rear portion both sides of towing bracket, mitigate tractive force, when saving
Between, it speeds up the work, reduces cost.
5, the configuration of the present invention is simple, installation operation is convenient, repeats and utilizes, and economical and practical, reasonable design is compact-sized,
It can use in drawing the wire rods such as various grounded-lines unfolding engineering, can guarantee show line construction safety, simple, quick, be suitble to wide
General popularization.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it is therefore apparent that the accompanying drawings in the following description is only this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the schematic diagram when counterweight hinge of the present invention uses；
Fig. 4 is the using state structure diagram on pulley of the present invention；
Fig. 5 is the towing bracket structural schematic diagram of the present invention；
Fig. 6 is the towing bracket structural schematic diagram of the present invention；
Fig. 7 is the side view of Fig. 6 of the present invention；
Fig. 8 is the dimensional structure diagram of the trapezoidal plate of the present invention；
Fig. 9 is the structural schematic diagram of two trapezoidal plates of the present invention；
Figure label explanation：
1, towing bracket；11, trapezoidal plate；111, elongated slot location hole；112, rack structure；12, connecting plate；121, positioning is led
Muscle；2, counterweight hinge；21, chain nodal plate；211, head string joint；212, recess hole；3, shaft coupling；4, drawbar extension bar；5, it leads
Line；6, U-shaped ring；7, pulley；8, shaft one；9, bolt is connected；10, traction rope.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
In conjunction with attached drawing, the present invention is further described：
In conjunction with attached drawing 1, Fig. 2, Fig. 3 and Fig. 4, two-stage balanced counterweight draft gear adjustable in pitch, it is characterised in that：Including
Towing bracket 1, counterweight hinge 2, shaft coupling 3 and drawbar extension bar 4；The towing bracket 1 includes right-angled trapezium plate 11 and strip
Shape connecting plate 12, two trapezoidal plates 11 are sequentially laminated on the connecting plate 12；The head of two trapezoidal plates 11 is equal
It is rotated coaxially and is connect with the connecting plate 12 by shaft 1, it is fixed that tail portion is clamped by the connection bolt 9 on connecting plate 12
Position；The connection bolt 9 sequentially passes through the elongated slot location hole 111 of 12 tail portion of the connecting plate, and by adjusting the connection spiral shell
The connection depth of bolt 9 and the connecting plate 12 realizes that the spacing to the outside joint mounting hole of two trapezoidal plates 11 adjusts；
The front end of the towing bracket 1 is connect by shaft coupling 3 with traction rope 10, and the U-shaped ring in the both ends of rear end in the width direction 6 leads to respectively
Drawbar extension bar 4 is crossed to connect with conducting wire 5；Two counterweight hinges 2 are respectively symmetrically located at the both ends of the drawbar extension bar 4,
And setting corresponding with the conducting wire 5 of two outermost sides of rear end.The present invention is realized by the way that split type towing bracket 1 is arranged
The distance of both sides towing pad can be applicable in different unwrapping wire and slide according to using the distance of coaster to be adjusted between the wire tail of rear end
Vehicle；The front end of the connecting plate 12 is equipped with circular hole, matches with 10 shaft coupling 3 of traction rope；Towing bracket both sides are that inclined-plane is main
It prevents from blocking with 7 bite of pulley block, passes through pulley 7；By shaft coupling 3 by driving shaft in different institutions and driven
Axis links up rotate together with securely, and transmits the mechanical part of movement and torque, can bear certain pulling force, and centre has
Shaft can rotate, and by coupling two axis or axis and revolving meber, be turned round together in transmitting movement and dynamic process, to crack
Conducting wire 5 turns round the effect of strength；The case where both sides being placed on by counterweight hinge 2, the arm of force of control towing bracket 1 same weight can be made
The lower torque for preventing towing bracket 1 from rotating is maximum, keeps tractor walking more stable；Due to totally four counterweight hinges, and it is mounted on
Both sides prevent torque larger, and every counterweight hinge length is shorter, and when by pulley, vibrations are smaller, will not cause big safety wind
Danger；Both sides drawbar extension bar tail portion is equipped with U-shaped ring and counterweight hinge connection point, U-shaped ring in the upper surface of counterweight hinge, U-shaped ring with
Shaft coupling is connected, for drawing conducting wire；Counterweight hinge connection point is slotted vertically, horizontal pivot pin, is made it vertical direction rotation, is risen
To the effect for preventing towing bracket from rotating, this counterweight hinge in this way is two level counterweight.
As preferred embodiment, towing bracket is steel member, and two panels right-angled trapezium and rectangle steel plate are constituted, thickness
It it is 8-12 millimeters, to bear different pulling force；Bottom is 30-40 millimeters long in right-angled trapezium, a height of 25 millimeters, goes to the bottom as 250-
300 millimeters；On the angular bisector at the right angle at upper bottom and in the acute angle of bottom edge, trepanning respectively at 20 millimeters away from each side, for fixing
Board mount and installation shaft coupling and counterweight hinge are walked, and acute angle is processed into arc-shaped；The above bottom circular hole is shaft, straight two
The trapezoidal right-angle side in angle and the alignment of another bevel edge, the infall in bottom is marked, and (if exceeded, bottom right angle is possible to
More than maximum open distance, influence limp and pass through coaster), it is connect a straight line with opening centre point, using trepanning centre point as dot,
It is radius picture arc using the distance to bottom right angle, and straight-line intersection at upward 30 millimeters, is opened to right angle edge direction arc-shaped respectively
Long Cao, it (is radius at upward 30 millimeters, greatly to arrive intersection point using trepanning centre point as dot to be kept for 15 millimeters or so with right-angle side
12.5-14.5 millimeters of minor radius difference)；30-50 millimeters of the width of connecting plate 12, length will be more than the length of the hypotenuse of right-angled trapezium
50-100 millimeters, when preventing tail portion distance from turning down, keep two trapezoidal plates 11 immovable, influences the connection traction of middle connecting plate 12
Line；Upper end is set there are two hole, and a hole to trapezoidal upper end is consistent, and the hole of front end matches with shaft coupling, intermediate hole, with
Being open, elongated slot is consistent, and the lowermost hole is connected with interphase conducting wire shaft coupling, for drawing intermediate phase conductor.
The drawbar extension bar 4 is that multiple chain nodal plates head and the tail are sequentially connected in series structure；Drawbar extension bar is also that more piece is made, respectively
Tie point is slotted vertically between section, horizontal pivot pin, is made it vertical direction rotation, is prevented drawbar extension bar from rotating.
The length of the drawbar extension bar 4 is more than the length of the counterweight hinge 2；Drawbar extension pole length is cut with scissors more than counterweight
100 millimeters of chain, at this moment, front end counterweight hinge do not play counterweight effect, and two level counterweight hinge works, after level-one, two level
It begins to pass through pulley and does not play counterweight effect, front end level-one counterweight hinge works, and such limp can reliably pass through pulley, Bu Huizhuan
It is dynamic.
In conjunction with attached drawing 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the side of two 11 binding face elongated slot location holes 111 of the trapezoidal plate
Equipped with intermeshing rack structure 112；It is more accurate by the smaller adjustment distance of the tooth pitch between rack, middle bolt fastening fastening
In the case of, can be used for preventing two it is trapezoidal move inward, keep the distance of two traction rope of tail portion constant, and can be according to unwrapping wire
The tail portion of the distance adjustment traction limp of coaster adapts to the releasing pulley of different distance, adjusts more convenient reliable apart from equal.
It is equipped with the U-shaped ring 6 on the trapezoidal plate 11, the U-shaped ring 6 is located at the upper surface of counterweight hinge, the U-shaped ring
6 open ends are fixedly connected with the rear end of the towing bracket 1, and the other end is connect by shaft coupling 3 with the conducting wire 5；Pass through institute
The rear end both sides for stating towing bracket 1 are respectively provided with 2 tie point of U-shaped ring 6 and counterweight hinge；The U-shaped ring 6 is connected with shaft coupling 3, uses
To draw conducting wire 5.
The outboard end of the trapezoidal plate 11 is equipped with the connecting hole to match with the connecting shaft of the shaft coupling 3, the company
The front and back end of fishplate bar 12 is equipped with the connecting hole to match with the shaft coupling.
Muscle 121 is led in the arc-shaped positioning that the centre position of the connecting plate 12 below along its length is additionally provided with evagination；Even
Middle part is equipped with arc-shaped positioning bar against traction rope shaft joint position below fishplate bar 12, and the front end of muscle is half of bullet-shaped,
Easily enter pulley groove, plays the role of towing bracket and walk among pulley.
1 interstitial hole of the towing bracket is equal with 7 centre-to-centre spacing of pulley of two sides at a distance from two side holes, and counterweight is made to cut with scissors
Chain 2 and conducting wire 5 are accurately walked in 7 slot of pulley, anti-dislocation preventing slot.
The counterweight hinge 2 includes multiple headtotails in the chain nodal plate 21 of string and to concatenate multiple chain nodal plate 21
Axis pin；The counterweight hinge 2 is hinged by the head string joint 211 of top chain nodal plate 21 and 1 rear portion of the towing bracket, with this
Realization top chain nodal plate 21 is rotated coaxially with towing bracket 1；The axial both ends of the axis pin are threaded through in the accommodating opening in tail portion
On, while the head string joint 211 of rear portion link plate is equipped with the through-hole to match with the axis pin of front chain nodal plate 21, with this reality
Rotating coaxially between the chain nodal plate 21 now concatenated；Pass through the head string joint 211 and the towing bracket 1 of top chain nodal plate 21
Hinged rotating coaxially between chain nodal plate 21, realizes the one-directional rotation of counterweight hinge 2, counterweight hinge 2 is in the towing bracket 1
Short transverse rotation, while playing the role of preventing towing bracket 1 from twisting, avoid the occurrence of conducting wire 5 and twist together, be unable to unwrapping wire
The case where.
The chain nodal plate 21 is sheet steel construction；And the chain nodal plate 21 is equipped with and 5 matched recess hole of the conducting wire
212；Section by the chain nodal plate is the circle for above having half round cut, and the circle of half round cut is used for placing conducting wire
, when conducting wire passes through coaster, counterweight hinge and conducting wire coincide together by pulley, are detached with conducting wire through counterweight hinge later,
Counterweight hinge is vertically downward.
The unwrapping wire tractor use principle and installation and application for two-stage counterweight that spacing is adjustable：Rectangle connector is placed on
Bottom, and lead the one of muscle downwards with positioning, (lower end nut is being led in muscle) is worn from bottom to top with bolt, rectangle and two
Trapezoidal upper angle trepanning is worn together, and then adjusts two sides of tail towing pad according to the centre distance of two side rollers of three pulleys
Distance is consistent, upper and lower two bolts, you can forms towing bracket.The front end of towing bracket is connect by shaft coupling with traction rope,
Drawbar extension bar and level-one counterweight hinge are installed respectively on lower tie point, then the U-shaped ring drawbar extension bar tail portion and company
Contact is hingedly connected at together with shaft coupling and two level counterweight respectively, and U-shaped ring is in the upper surface of counterweight hinge, U-shaped ring and shaft coupling
It is connected, for drawing conducting wire；It is connected respectively with the U-shaped ring in drawbar extension bar tail portion according to the radical of conducting wire to be drawn, at two
It is connected with conducting wire by shaft coupling using the U-shaped ring of both sides；When drawing three conducting wires, interstitial hole connecting wire, the U-shaped ring in both sides
It is connected respectively with conducting wire by shaft coupling；According to the size of the strand strength of conducting wire, the length (weight) of counterweight hinge is selected, matching
Weight hinge is mounted on the four points of connection of both sides, and the circle of half round cut can overlap with conducting wire and can pass through above counterweight hinge
Three-fold block carries out unfolding conductor work.
The present invention configures configuration hinge by both sides when in use, and control rotating torque is larger, and conducting wire is drawn in limp
Smooth running, and counterweight hinge pass through coaster when, vibrations it is small；Pass through both sides towing pad between the split type traction support plate tail portion of setting
Distance can be applicable in different releasing pulleys according to using the distance of coaster to be adjusted, and when towing bracket passes through coaster,
It will not rotate；By a traction rope, multiple conducting wires are drawn, speed is fast, and work efficiency is high；Configuration hinge is configured by both sides,
It is larger to control rotating torque, conducting wire smooth running is drawn in limp, and conducting wire will not be twisted together, and cause card line, while by leading
The rear portion both sides configuration counterweight hinge for drawing holder, mitigates tractive force, saves the time, speed up the work, reduce cost；The present invention
Simple in structure, installation operation is convenient, repeats and utilizes, and economical and practical, reasonable design is compact-sized, can use each in traction
In the wire rods such as kind of grounded-line unfolding engineering, it can guarantee show line construction safety, simple, quick, be suitble to be widely popularized.
It should be noted that shaft coupling can be shaft coupling, for the machine components of existing common transmission torque；Before conducting wire
End setting rope sling is connect with shaft coupling or U-loop, this is the connection type of normal part in the power system.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. two-stage balanced counterweight draft gear adjustable in pitch, it is characterised in that：Including towing bracket (1), counterweight hinge (2),
Shaft coupling (3) and drawbar extension bar (4)；The towing bracket (1) includes right-angled trapezium plate (11) and strip connecting plate (12),
Two trapezoidal plates (11) are sequentially laminated on the connecting plate (12)；The head of two trapezoidal plates (11) is by turning
Axis one (8) is rotated coaxially with the connecting plate (12) and is connect, and it is fixed that tail portion is clamped by the connection bolt (9) on connecting plate (12)
Position；The connection bolt (9) sequentially passes through the elongated slot location hole (111) of the connecting plate (12) tail portion, and by adjusting described
The connection depth of bolt (9) and the connecting plate (12) is connected to realize the outside joint mounting hole to two trapezoidal plates (11)
Spacing adjustment；The front end of the towing bracket (1) is connect by shaft coupling (3) with traction rope (10), and rear end is in the width direction
The U-shaped ring in both ends (6) connect respectively with conducting wire (5) by drawbar extension bar (4)；Two counterweight hinges (2) are respectively symmetrically
It is located at the both ends of the drawbar extension bar (4), and setting corresponding with conducting wire (5) of two outermost sides of rear end.
2. two-stage balanced counterweight draft gear adjustable in pitch according to claim 1, it is characterised in that：The traction is prolonged
Stock (4) is that multiple chain nodal plates head and the tail are sequentially connected in series structure.
3. two-stage balanced counterweight draft gear adjustable in pitch according to claim 1, it is characterised in that：The traction is prolonged
The length of stock (4) is more than the length of the counterweight hinge (2).
4. two-stage balanced counterweight draft gear adjustable in pitch according to claim 1, it is characterised in that：Two ladders
The side of shape plate (11) binding face elongated slot location hole (111) is equipped with intermeshing rack structure (112).
5. two-stage balanced counterweight draft gear adjustable in pitch according to claim 1, it is characterised in that：The U-shaped ring
(6) open end is fixedly connected with the rear end of the towing bracket (1), and is connect with one end of the shaft coupling (3), the shaft coupling
The other end of device (3) is connect with the conducting wire (5).
6. two-stage balanced counterweight draft gear adjustable in pitch according to claim 1, it is characterised in that：The connecting plate
(12) centre position below along its length is additionally provided with the arc-shaped positioning of evagination and leads muscle (121).
7. two-stage balanced counterweight draft gear adjustable in pitch according to claim 1, it is characterised in that：The counterweight hinge
Chain (2) includes multiple headtotails in the chain nodal plate (21) of string and to concatenate the axis pin of multiple chain nodal plate (21)；It is described to match
Weight hinge (2) is hinged by the head string joint (211) of top chain nodal plate (21) and the towing bracket (1) rear portion.
8. two-stage balanced counterweight draft gear adjustable in pitch according to claim 7, it is characterised in that：The chain nodal plate
(21) it is sheet steel construction, and the chain nodal plate (21) is equipped with and the conducting wire (5) matched recess hole (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300823.4A CN108365562B (en) | 2018-04-04 | 2018-04-04 | Interval adjustable two-stage balance weight traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300823.4A CN108365562B (en) | 2018-04-04 | 2018-04-04 | Interval adjustable two-stage balance weight traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108365562A true CN108365562A (en) | 2018-08-03 |
| CN108365562B CN108365562B (en) | 2024-01-30 |
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|---|---|---|---|
| CN201810300823.4A Active CN108365562B (en) | 2018-04-04 | 2018-04-04 | Interval adjustable two-stage balance weight traction device |
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|---|---|---|---|---|
| US20030116984A1 (en) * | 2001-12-20 | 2003-06-26 | Lift-All Company, Inc. | Towing plate |
| CN201584690U (en) * | 2009-09-15 | 2010-09-15 | 湖北省输变电工程公司 | Rope dragging main board |
| CN203522034U (en) * | 2013-10-30 | 2014-04-02 | 广东电网公司东莞供电局 | An apparatus for replacing power transmission overhead line duplex tension insulators |
| CN104167688A (en) * | 2014-07-31 | 2014-11-26 | 河南省电力公司济源供电公司 | Power transmission line traction tool used in cooperation with yoke plate and using method thereof |
| CN204947459U (en) * | 2015-09-09 | 2016-01-06 | 国网山西省电力公司晋城供电公司 | The spiral adjustment plate of a kind of power circuit |
| CN205829049U (en) * | 2016-07-12 | 2016-12-21 | 国网天津市电力公司 | A kind of secondary stringing adjustable connecting hardware fitting |
| EP3280017A1 (en) * | 2016-08-05 | 2018-02-07 | SPIE SAG GmbH | Method and system for the suspension of a conductor rope bundle |
| CN206758940U (en) * | 2017-03-17 | 2017-12-15 | 开能智慧能源有限公司 | A kind of special anti-torsion whip of high-tension line stringing |
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| CN108365562B (en) | 2024-01-30 |
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