CN108365562B - Interval adjustable two-stage balance weight traction device - Google Patents
Interval adjustable two-stage balance weight traction device Download PDFInfo
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- CN108365562B CN108365562B CN201810300823.4A CN201810300823A CN108365562B CN 108365562 B CN108365562 B CN 108365562B CN 201810300823 A CN201810300823 A CN 201810300823A CN 108365562 B CN108365562 B CN 108365562B
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- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 13
- 230000007480 spreading Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
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Classifications
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- 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 invention provides a two-stage balance weight traction device with adjustable space, which comprises a right-angle trapezoidal plate and a strip-shaped connecting plate through a traction bracket, wherein the two trapezoidal plates are sequentially overlapped and arranged on the connecting plate; the heads of the two trapezoid plates are coaxially and rotatably connected with the connecting plate through a first rotating shaft, and the distance between the outer side coupler holes of the two trapezoid plates is adjusted and positioned through connecting bolts; the front end of the traction bracket is connected with the traction rope through a coupler, and U-shaped rings at two ends of the rear end along the width direction are respectively connected with the lead through traction extension rods; the two counterweight hinges are symmetrically arranged at the two ends of the traction extension rod respectively and are arranged corresponding to the two outermost side wires at the rear end. The invention has simple structure, convenient installation and operation, repeated use, economy, practicality, reasonable design and compact structure, can be used in wire material spreading engineering such as traction of various ground wires, can ensure the safety, simplicity and rapidness of wire spreading construction, and is suitable for wide popularization.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment of an electric power system, in particular to a two-stage balance weight traction device with adjustable spacing.
Background
Due to the development of society and the progress of scientific technology, the use of modern construction machines in various construction and construction is becoming more and more common, the construction engineering efficiency is improved, the occurrence of casualties is reduced, the property and life safety of people are effectively protected, the harmonious development is achieved, and the method makes a greater contribution to the life of well-being. In the construction of the power grid, lead erection is an important link of power construction, has great influence on construction period, is high-altitude operation, has great safety risk, causes high-altitude falling personal casualties due to careless operation, and causes great loss to national property and family life. The traditional ground wire has the following problems when being unfolded: 1. one traction rope can only spread the three wires, and when three wires are pulled, the traction rope is heavy and has low working efficiency; 2. because the walking plate is arranged on the traction spool line, the configuration weight is heavier, and the weight balancing mode is unreasonable; 3. the heavy hammer is arranged in the middle, so that the lead cannot be pulled; 4. when passing through the pulley, the pulley is easy to rotate; 5. the distance between the wiring boards is fixed, and the wiring pulleys cannot be adapted to the wiring pulleys with different sizes; 6. after the counterweight hinge passes through the pulley, the counterweight hinge is longer, so that sudden falling vibration is larger, and the construction safety risk is increased; 7. when the walking board passes through the trolley, the walking board is easy to rotate because the counterweight hinge loses the counterweight effect, so that the display cannot be normally performed. Therefore, the use of the walking board in the line erection needs to be perfected, the requirements of modern construction technology are better met, the efficiency is improved, the construction time is shortened, the cost is saved, and novel equipment is developed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a paying-off tractor with perfect functions of taking measures, developing a novel space-adjustable two-stage counterweight, and has reasonable design and compact structure.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the two-stage balance weight traction device with adjustable space comprises a traction bracket, a weight hinge, an inner side coupler, an outer side coupler and a traction extension rod; the traction support comprises a right-angle trapezoidal plate and a strip-shaped connecting plate, and the two trapezoidal plates are sequentially stacked on the connecting plate; the heads of the two trapezoid plates are coaxially and rotatably connected with the connecting plate through a first rotating shaft, and the tails of the trapezoid plates are clamped and positioned through connecting bolts on the connecting plate; the connecting bolts sequentially penetrate through the long groove positioning holes at the tail parts of the connecting plates, and the distance between the U-shaped rings on the two trapezoid plates is adjusted by adjusting the connecting depth of the connecting bolts and the connecting plates; the front end of the traction support is connected with a traction rope through an inner side coupler, U-shaped rings at two ends of the rear end along the width direction are respectively connected with a wire through traction extension rods, and the traction extension rods are connected with the wire through an outer side coupler; the two counterweight hinges are symmetrically arranged at the two ends of the traction extension rod respectively and are arranged corresponding to the wires at the two outermost sides of the rear end.
Further, the traction extension rod is of a structure that a plurality of chain link sheets are sequentially connected in series from head to tail.
Further, the length of the traction extension rod is greater than the length of the weight hinge.
Further, the side edges of the long groove positioning holes of the joint surfaces of the two trapezoid plates are provided with mutually meshed rack structures.
Further, the U-shaped ring opening end is fixedly connected with the rear end of the traction support, and is connected with one end of the traction extension rod, the other end of the traction extension rod is connected with one end of the outer side coupler, and the other end of the outer side coupler is connected with the lead.
Further, a convex circular arc-shaped positioning guide rib is further arranged at the middle position of the lower surface of the connecting plate along the length direction.
Further, the counterweight hinge comprises a plurality of chain link pieces connected end to end in series and a pin shaft used for connecting the plurality of chain link pieces in series; the counterweight hinge is hinged with the rear part of the traction bracket through a head serial joint of the top chain link piece.
Further, the chain link sheet is of a sheet steel structure, and is provided with a groove hole matched with the lead.
Compared with the prior art, the invention has the beneficial effects that:
1. when the invention is used, the hinges are arranged at two sides, so that the control rotation moment is larger, the walking board pulls the lead to walk stably, and the counterweight hinge has small vibration when passing through the trolley.
2. The distance of traction holes on two sides between the tail parts of the split traction support plates can be adjusted according to the distance of the use pulleys, so that different paying-off pulleys are applicable, and the traction support cannot rotate when passing through the pulleys.
3. The traction rope is used for traction of a plurality of wires, so that the speed is high and the working efficiency is high.
4. The hinges are arranged on two sides, so that the rotation moment is controlled to be larger, the walking board pulls the wires to walk stably, the wires cannot be twisted together to cause wire clamping, and meanwhile, the counter weight hinges are arranged on two sides of the rear part of the traction support, so that traction force is reduced, time is saved, engineering progress is accelerated, and cost is reduced.
5. The invention has simple structure, convenient installation and operation, repeated use, economy, practicality, reasonable design and compact structure, can be used in wire material spreading engineering such as traction of various ground wires, can ensure the safety, simplicity and rapidness of wire spreading construction, and is suitable for wide popularization.
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, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic illustration of the weighted hinge of the present invention in use;
FIG. 4 is a schematic view of the present invention in use on a pulley;
FIG. 5 is a schematic drawing of a traction frame of the present invention;
FIG. 6 is a schematic drawing of a traction frame of the present invention;
FIG. 7 is a side view of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic perspective view of a trapezoidal plate according to the present invention;
FIG. 9 is a schematic view of the structure of two trapezoidal plates of the present invention;
the reference numerals in the figures illustrate:
1. a traction bracket; 11. a trapezoidal plate; 111. a long groove positioning hole; 112. a rack structure; 12. a connecting plate; 121. positioning guide ribs; 2. a weight hinge; 21. a link plate; 211. a head serial joint; 212. a groove hole; 31. an inner coupling; 32. an outer coupling; 4. traction extension rod; 5. a wire; 6. a U-shaped ring; 7. a pulley; 8. a first rotating shaft; 9. a connecting bolt; 10. a traction rope.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described with reference to the accompanying drawings:
with reference to fig. 1, 2, 3 and 4, the two-stage balance weight traction device with adjustable space is characterized in that: comprises a traction bracket 1, a counterweight hinge 2, an inner side coupler 31, an outer side coupler 32 and a traction extension rod 4; the traction bracket 1 comprises a right-angle trapezoidal plate 11 and an elongated connecting plate 12, and the two trapezoidal plates 11 are sequentially laminated on the connecting plate 12; the heads of the two trapezoid plates 11 are coaxially and rotatably connected with the connecting plate 12 through a first rotating shaft 8, and the tails of the trapezoid plates are clamped and positioned through connecting bolts 9 on the connecting plate 12; the connecting bolts 9 sequentially pass through the long groove positioning holes 111 at the tail parts of the connecting plates 12, and the distance between the U-shaped rings 6 on the two trapezoid plates 11 is adjusted by adjusting the connection depth of the connecting bolts 9 and the connecting plates 12; the front end of the traction bracket 1 is connected with a traction rope 10 through an inner side coupler 31, and U-shaped rings 6 at two ends of the rear end along the width direction are respectively connected with a lead 5 through a traction extension rod 4; the two counterweight hinges 2 are symmetrically arranged at two ends of the traction extension rod 4 respectively and are arranged corresponding to two wires 5 at the outermost sides of the rear end. According to the invention, by arranging the split traction support 1, the distance between traction holes on two sides between the tail parts of the rear-end wires can be adjusted according to the distance of the using pulleys, so that the invention is applicable to different paying-off pulleys; the front end of the connecting plate 12 is provided with a round hole which is matched with the traction rope 10 coupler; inclined planes are arranged on two sides of the traction support, so that the traction support is mainly prevented from being blocked by the paying-off pulley 7 and smoothly passes through the pulley 7; the mechanical parts which firmly connect the driving shaft and the driven shaft in different mechanisms to rotate together through the coupler and transmit motion and torque can bear certain tensile force, the middle part of the mechanical parts is provided with a rotating shaft which can rotate, and the twisting effect of the lead 5 is broken through connecting the two shafts or the shafts and the rotating member to rotate together in the process of transmitting motion and power; the counterweight hinges 2 are arranged on two sides, so that the moment for preventing the traction bracket 1 from rotating is maximum under the condition of controlling the same weight of the moment arm of the traction bracket 1, and the traction device can walk more stably; because four weight hinges are arranged on two sides, the prevention moment is larger, the length of each weight hinge is shorter, and the vibration is smaller when the weight hinges pass through the pulleys, so that the large safety risk is not caused; the tail parts of the traction extension rods at two sides are provided with U-shaped rings and counterweight hinge connection points, the U-shaped rings are arranged on the counterweight hinges, and the U-shaped rings are connected with the shaft coupling and used for traction of the lead; the counterweight hinge is vertically slotted, and the horizontal shaft pin can rotate in the vertical direction, so that the counterweight hinge has the function of preventing the traction bracket from rotating, and is a secondary counterweight.
As a preferred embodiment, the traction bracket is a steel member, and is formed by two right trapezoid and rectangular steel plates, and the thickness of the traction bracket is 8-12 mm so as to bear different tensile forces; the upper bottom of the right trapezoid is 30-40 mm long, 25 mm high, and the lower bottom is 250-300 mm long; the right angle bisector of the upper bottom and the sharp angle of the bottom edge are respectively provided with holes at the positions 20 mm away from each edge for fixing the walking board bracket, installing the coupler and the counterweight hinge, and processing the sharp angle into an arc shape; the upper bottom round hole is used as a rotating shaft, a right-angle side and another oblique side of two right-angle trapezoids are aligned, a mark is made at the intersection of the lower bottom side (if exceeding, the lower bottom right angle possibly exceeds the maximum opening distance, the running board is influenced by a pulley), a straight line is connected with the opening center point, the opening center point is used as a round point, the distance to the lower bottom right angle is used as a radius to draw an arc, the arc is intersected with the straight line, the arc length is opened upwards by 30 mm at the position upwards, the arc length is respectively opened towards the right-angle side direction, and the arc length is kept to be about 15 mm with the right-angle side (the opening center point is used as the round point, the intersection is used as the radius at the position upwards by 30 mm, and the difference of the radius is 12.5-14.5 mm); the width of the connecting plate 12 is 30-50 mm, the length of the connecting plate exceeds the length of the hypotenuse of the right trapezoid by 50-100 mm, and the two trapezoid plates 11 cannot move when the tail distance is reduced, so that the connection of the middle connecting plate 12 with the traction wire is influenced; the upper end is provided with two holes, one hole for the upper end of the trapezoid is consistent, the hole at the foremost end is matched with the coupler, the hole in the middle is consistent with the long slot with the opening, and the hole at the bottommost end is connected with the intermediate phase conductor coupler for traction of the intermediate phase conductor.
The traction extension rod 4 is of a structure that a plurality of chain link sheets are sequentially connected in series from head to tail; the traction extension rod is also made of multiple sections, the connecting points among the sections are vertically slotted, and the horizontal shaft pin can rotate in the vertical direction, so that the traction extension rod is prevented from rotating.
The length of the traction extension rod 4 is greater than the length of the counterweight hinge 2; the length of the traction extension rod is 100 mm greater than that of the counterweight hinge, at this time, the front counterweight hinge does not play a counterweight role, the secondary counterweight hinge plays a role, after the primary counterweight hinge passes, the secondary counterweight hinge starts to play a counterweight role through the pulley, and the front primary counterweight hinge plays a role, so that the walking plate can reliably pass through the pulley and cannot rotate.
Referring to fig. 5, 6, 7, 8 and 9, the sides of the long slot positioning holes 111 on the joint surface of the two trapezoid boards 11 are provided with mutually meshed rack structures 112; the smaller the tooth distance between the racks is, the more accurate the adjustment distance is, and under the condition of fastening the middle bolt, the two trapezoids can be prevented from moving inwards, the distance between the two traction ropes at the tail is kept unchanged, the tail distance of the traction walking plate can be adjusted to be equal according to the distance of the paying-off pulley, paying-off pulleys at different distances are adapted, and the adjustment is more convenient and reliable.
The U-shaped ring 6 is arranged on the trapezoid plate 11, the U-shaped ring 6 is arranged on the counterweight hinge, the open end of the U-shaped ring 6 is fixedly connected with the rear end of the traction support 1, and the other end of the U-shaped ring is connected with the lead 5 through an outer coupler 32; the two sides of the rear end of the traction bracket 1 are respectively provided with a U-shaped ring 6 and a counterweight hinge 2 connection point; the U-ring 6 is connected to an outer coupling 32 for pulling the wire 5.
The outer side end of the trapezoid plate 11 is provided with a connecting hole matched with a connecting shaft of the coupler, and the front end and the rear end of the connecting plate 12 are respectively provided with a connecting hole matched with the coupler.
The middle position of the lower surface of the connecting plate 12 along the length direction is also provided with a convex arc-shaped positioning guide rib 121; the middle part of the lower surface of the connecting plate 12 is opposite to the traction rope coupler, and is provided with a circular arc-shaped positioning rib, the front end of the rib is in a half bullet shape, and the rib easily enters a pulley groove to play a role in the middle of a pulley for a traction bracket to walk.
The distance between the middle hole and the holes on the two sides of the traction bracket 1 is equal to the center distance between the pulleys 7 on the two sides, so that the counterweight hinge 2 and the lead 5 accurately run in the grooves of the pulleys 7, and the falling off of the grooves is prevented.
The counterweight hinge 2 comprises a plurality of chain link pieces 21 which are connected end to end in series and a pin shaft for connecting the plurality of chain link pieces 21 in series; the counterweight hinge 2 is hinged with the rear part of the traction bracket 1 through a head serial joint 211 of the top chain link piece 21, so that the coaxial rotation of the top chain link piece 21 and the traction bracket 1 is realized; the two axial ends of the pin shaft are arranged in the tail accommodating opening in a penetrating way, and meanwhile, the head serial joint 211 of the rear link sheet is provided with a through hole matched with the pin shaft of the front link sheet 21, so that the coaxial rotation between the link sheets 21 connected in series is realized; through the head serial-connection joint 211 of the top chain link piece 21 and the coaxial rotation between the traction support 1 hinge joint and the chain link piece 21, the unidirectional rotation of the counterweight hinge 2 is realized, the counterweight hinge 2 rotates in the height direction of the traction support 1, the function of preventing the traction support 1 from twisting is achieved, and the situation that the wires 5 are twisted together and cannot be paid off is avoided.
The chain link piece 21 is of a sheet steel structure; and the chain link piece 21 is provided with a groove hole 212 matched with the lead 5; the section of the chain link piece is round with a semicircular notch, the round of the semicircular notch is used for placing a wire, when the wire passes through the pulley, the counterweight hinge and the wire are overlapped together and pass through the pulley, and the counterweight hinge is separated from the wire after passing through the pulley, and the counterweight hinge is vertically downward.
The paying-off tractor with the two-stage counter weights with adjustable spacing is based on the use principle and the installation and use method: the rectangular connecting piece is placed at the lowest part, one surface with the positioning guide rib is downwards, bolts are used for penetrating from bottom to top (the nuts at the lower end are arranged in the guide rib), rectangular and two trapezoid upper corner openings are penetrated together, then the distances of traction holes at two sides of the tail are adjusted to be consistent according to the center distances of pulleys at two sides of the three pulleys, and the traction support can be formed by the upper bolt and the lower bolt. The front end of the traction bracket is connected with a traction rope through a coupler, a traction extension rod and a primary counterweight hinge are respectively arranged on an upper connecting point and a lower connecting point, a U-shaped ring and a connecting point at the tail part of the traction extension rod are respectively connected with the coupler and a secondary counterweight hinge, the U-shaped ring is arranged on the counterweight hinge, and the U-shaped ring is connected with the coupler and is used for traction of a wire; the number of the wires to be pulled is respectively connected with the U-shaped rings at the tail part of the traction extension rod, and the two U-shaped rings at two sides are connected with the wires through a coupler; when three wires are pulled, the middle hole is connected with the wires, and the U-shaped rings at the two sides are respectively connected with the wires through the shaft couplings; according to the twisting strength of the wire, the length (weight) of the counterweight hinge is selected, the counterweight hinge is arranged on four connecting points on two sides, and the circle of the semicircular notch on the counterweight hinge can be overlapped with the wire to carry out wire unfolding work through the three-wheeled pulley.
When the scooter is used, the hinges are arranged on the two sides, so that the control rotation moment is large, the walking board pulls the lead to walk stably, and the counterweight hinge vibrates little when passing through the scooter; the distance between the traction holes on two sides between the tail parts of the split traction support plates can be adjusted according to the distance between the use pulleys, so that the split traction support plate is applicable to different paying-off pulleys, and the traction support does not rotate when passing through the pulleys; the plurality of wires are pulled by one pulling rope, so that the speed is high and the working efficiency is high; the two sides of the traction support are provided with the counterweight hinges, so that traction force is reduced, time is saved, engineering progress is accelerated, and cost is reduced; the invention has simple structure, convenient installation and operation, repeated use, economy, practicality, reasonable design and compact structure, can be used in wire material spreading engineering such as traction of various ground wires, can ensure the safety, simplicity and rapidness of wire spreading construction, and is suitable for wide popularization.
It should be noted that the coupling may be a coupling, which is a common mechanical part for transmitting torque in the prior art; the front end of the wire is provided with a rope sleeve to be connected with a coupler or a U-shaped ring, which is a common connection mode in a power system.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. Interval adjustable two-stage balance weight draw gear, its characterized in that: comprises a traction bracket (1), a counterweight hinge (2), an inner side coupler (31), an outer side coupler (32) and a traction extension rod (4); the traction support (1) comprises right-angle trapezoid plates (11) and long-strip-shaped connecting plates (12), wherein the trapezoid plates (11) are sequentially stacked on the connecting plates (12), and a right-angle edge and the other bevel edge of the trapezoid plates (11) are aligned; the front end of the traction support (1) is connected with a traction rope (10) through an inner side coupler (31), two ends of a U-shaped ring (6) at the rear end along the width direction are respectively connected with a lead (5) through a traction extension rod (4), the open end of the U-shaped ring (6) is fixedly connected with the rear end of the traction support (1) and is connected with one end of the traction extension rod (4), the other end of the traction extension rod (4) is connected with one end of an outer side coupler (32), and the other end of the outer side coupler (32) is connected with the lead (5); the heads of the two trapezoid plates (11) are coaxially and rotatably connected with the connecting plate (12) through a first rotating shaft (8), and the tails of the trapezoid plates are clamped and positioned through connecting bolts (9) on the connecting plate (12); the connecting bolts (9) sequentially penetrate through long groove positioning holes (111) at the tail parts of the connecting plates (12), and the distance between the U-shaped rings (6) on the two trapezoid plates (11) is adjusted by adjusting the connection depth of the connecting bolts (9) and the connecting plates (12); the two counterweight hinges (2) are symmetrically arranged at the two ends of the traction extension rod (4) respectively and are arranged corresponding to the two outermost side wires (5) at the rear end;
the sides of the long groove positioning holes (111) of the joint surfaces of the two trapezoid plates (11) are provided with mutually meshed rack structures (112).
2. The adjustable-spacing two-stage counterweight traction device of claim 1 wherein: the traction extension rod (4) is of a structure that a plurality of chain link sheets are sequentially connected in series from head to tail.
3. The adjustable-spacing two-stage counterweight traction device of claim 1 wherein: the length of the traction extension rod (4) is greater than the length of the counterweight hinge (2).
4. The adjustable-spacing two-stage counterweight traction device of claim 1 wherein: the middle position below the connecting plate (12) along the length direction is also provided with a convex arc-shaped positioning guide rib (121).
5. The adjustable-spacing two-stage counterweight traction device of claim 1 wherein: the counterweight hinge (2) comprises a plurality of chain link pieces (21) which are connected end to end in series and a pin shaft used for connecting the plurality of chain link pieces (21) in series; the counterweight hinge (2) is hinged with the rear part of the traction bracket (1) through a head serial joint (211) of the top chain link piece (21).
6. The adjustable pitch two-stage counterweight traction device of claim 5 wherein: the chain link piece (21) is of a sheet steel structure, and a groove hole (212) matched with the lead (5) is formed in the chain link piece (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810300823.4A CN108365562B (en) | 2018-04-04 | 2018-04-04 | Interval adjustable two-stage balance weight traction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810300823.4A CN108365562B (en) | 2018-04-04 | 2018-04-04 | Interval adjustable two-stage balance weight traction device |
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| CN108365562B true CN108365562B (en) | 2024-01-30 |
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| 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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|---|---|
| CN108365562A (en) | 2018-08-03 |
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