CN105429055A - Tackle for net weaving in high-voltage power transmission wire construction - Google Patents

Tackle for net weaving in high-voltage power transmission wire construction Download PDF

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Publication number
CN105429055A
CN105429055A CN201511020010.2A CN201511020010A CN105429055A CN 105429055 A CN105429055 A CN 105429055A CN 201511020010 A CN201511020010 A CN 201511020010A CN 105429055 A CN105429055 A CN 105429055A
Authority
CN
China
Prior art keywords
coaster
main body
body frame
netting
connecting ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201511020010.2A
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Chinese (zh)
Other versions
CN105429055B (en
Inventor
董四清
罗本壁
苗峰显
熊织明
张尔乐
方学军
张国苹
毕建全
张亚鹏
刘波
娄起
陈津
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Ac Engineering Construction Co
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Tianjin Electric Power Transmission and Transformation Engineering Corp
Original Assignee
State Grid Ac Engineering Construction Co
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Tianjin Electric Power Transmission and Transformation Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Ac Engineering Construction Co, State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd, Tianjin Electric Power Transmission and Transformation Engineering Corp filed Critical State Grid Ac Engineering Construction Co
Priority to CN201511020010.2A priority Critical patent/CN105429055B/en
Publication of CN105429055A publication Critical patent/CN105429055A/en
Application granted granted Critical
Publication of CN105429055B publication Critical patent/CN105429055B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00Portable or mobile lifting or hauling appliances
    • B66D3/04Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • B66D3/08Arrangements of sheaves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Pulleys (AREA)

Abstract

The invention provides a tackle for net weaving in high-voltage power transmission wire construction. The tackle includes a tackle main body frame, an upper pulley, a lower pulley and a front connecting ring; the upper pulley is fixed to the upper half part of the tackle main body frame through a first bearing; the lower pulley is fixed to the lower half part of the tackle main body frame through a second bearing; the axial direction of the first bearing is parallel to the axial direction of the second bearing; a gap formed between the upper pulley and the lower pulley is used for accommodating a supporting rope; the front connecting ring is fixedly welded to the first bearing; and the front connecting ring is used for connecting a traction rope for net weaving. According to the tackle of the invention, the two rolling pulleys are adopted, so that friction between the rolling pulleys and the rope can be decreased; the two pulleys are arranged sequentially along a vertical direction, and the gap is formed between the upper pulley and the lower pulley, and the supporting rope can be arranged in the gap, and therefore, the supporting rope will not slip away from the tackle; the net traction rope is arranged in the front connecting ring, and therefore, the direction of a force borne by an O-shaped lock is consistent with the direction of the supporting rope, and the tackle will not rotate and is smooth when pulling the net traction rope.

Description

Netting coaster in a kind of high voltage transmission line construction
Technical field
The present invention relates to high-voltage transmission equipment technical field, particularly relate to netting coaster in the construction of a kind of high voltage transmission line.
Background technology
The construction of China's extra high voltage line has entered the fast-developing stage, often runs into the situation of crossing over critical facility in UHV transmission line work progress, and presents the features such as spanning height is more and more higher, number of times more and more, operating mode becomes increasingly complex.When crossing over critical facility; need to carry out block protection to newly-built circuit; but in practice of construction; very short to the block time of unit in charge of construction by the management unit across facility; can within the limited time, safely and fast block become an important task, this invention can reduce the establishment of netting in work progress and pull-in time greatly.
Prior art is in power transmission line block process, and netting rope many uses O type lock hangs on bearing rope, uses danish seine wire saws O type lock, makes netting rope arrive the position needed, thus complete block.
But, O type lock is used to hang on bearing rope, affecting in netting rope process, O type lock will produce with bearing rope and rub, if O type lock stressed less than with bearing rope when same direction, there will be O type lock knob and turn, O type is locked increase with the frictional force of bearing rope, appearance cannot affect the situation of net to occur, thus reduces block efficiency, even can destroy bearing rope time serious.
Therefore, netting coaster during those skilled in the art need to provide a kind of high voltage transmission line to construct, can make O type lock and to be stressedly consistent with bracketing rope direction, and reduce the frictional force between bracketing rope.
Summary of the invention
In order to solve prior art, the invention provides netting coaster in the construction of a kind of high voltage transmission line, O type can be made to lock and to be stressedly consistent with bracketing rope direction, and reducing the frictional force between bracketing rope.
Netting coaster during the embodiment of the present invention provides a kind of high voltage transmission line to construct, comprising: coaster main body frame, top sheave, lower sheave and front connecting ring;
Described top sheave is fixed on described coaster main body frame the first half by clutch shaft bearing;
Described lower sheave is fixed on described coaster main body frame the latter half by the second bearing;
Described clutch shaft bearing is parallel with the axis of the second bearing;
Bearing rope is placed in the space formed between described top sheave and lower sheave;
Described front connecting ring and described clutch shaft bearing are welded and fixed;
Described front connecting ring, for connecting netting pull rope.
Preferably, also comprise: pin, detachable hinge and non-dismountable hinge;
Described detachable hinge and non-dismountable hinge are arranged on described coaster main body frame corresponding to position between described top sheave and lower sheave; Described detachable hinge and non-dismountable hinge are symmetricly set on left side and the right side of coaster main body frame;
Detachable hinge is connected with coaster main body frame by pin;
When detachable hinge is opened, this coaster main body frame with non-dismountable hinge for axle center bends.
Preferably, one end of described pin arranges circular hole, inserts iron wire in described circular hole.
Preferably, also comprise: the upper connecting ring being arranged on described coaster main body frame top;
Described upper connecting ring and described coaster main body frame are welded and fixed.
Preferably, also comprise: be arranged on the lower connecting ring bottom described coaster main body frame;
Described lower connecting ring and described coaster main body frame are welded and fixed.
Preferably, also comprise: back clevis;
Described back clevis and described clutch shaft bearing are welded and fixed, and described front connecting ring and described back clevis are arranged at the two ends of described clutch shaft bearing to car.
Preferably, described top sheave and lower sheave are nylon pulley.
Preferably, the equal and opposite in direction of described top sheave and lower sheave.
Preferably, described coaster main body frame adopts Q235 steel.
Compared with prior art, the present invention at least has the following advantages:
Adopt two rolling pulleies, reduce the frictional force between bearing rope.In addition, upper and lower two pulleys are set, form space between top sheave and lower sheave, bearing rope is placed in this space, prevent the situation generation that bearing rope departs from coaster.In addition, danish seine rope is placed in described front connecting ring, and O type can be made like this to lock stressed consistent with the direction of bearing rope, coaster there will not be torsion, can than smoothly when drawing danish seine rope.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is netting coaster front view in high voltage transmission line provided by the invention construction;
Fig. 2 is the end view that Fig. 1 is corresponding;
Schematic diagram when Fig. 3 is netting coaster main body frame provided by the invention bending.
Embodiment
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, this figure is netting coaster front view in high voltage transmission line provided by the invention construction.
See Fig. 2, this figure is the end view that Fig. 1 is corresponding.
It should be noted that, in Fig. 2, part is profile.
Netting coaster in the high voltage transmission line construction that the present embodiment provides, comprising: coaster main body frame 101, top sheave 102, lower sheave 103 and front connecting ring 104;
Described top sheave 102 is fixed on described coaster main body frame 101 the first half by clutch shaft bearing 106;
Described lower sheave 103 is fixed on described coaster main body frame 101 the latter half by the second bearing 107;
Described clutch shaft bearing 106 is parallel with the axis of the second bearing 107;
Bearing rope is placed in the space 108 formed between described top sheave 102 and lower sheave 103.
Coaster provided by the invention, adopts two rolling pulleies, reduces the frictional force between bearing rope.In addition, upper and lower two pulleys are set, form space between top sheave and lower sheave, bearing rope is placed in this space, prevent the situation generation that bearing rope departs from coaster.In addition, danish seine rope is placed in described front connecting ring, and O type can be made like this to lock stressed consistent with the direction of bearing rope, coaster there will not be torsion, can than smoothly when drawing danish seine rope.
In another embodiment provided by the invention, this netting coaster, also comprises: pin 112, detachable hinge 113 and non-dismountable hinge 108;
Described detachable hinge 113 and non-dismountable hinge 108 are arranged on described coaster main body frame corresponding to position between described top sheave and lower sheave; Described detachable hinge 113 and non-dismountable hinge 108 are symmetricly set on left side and the right side of coaster main body frame.
Detachable hinge 113 is connected with coaster main body frame by pin;
When detachable hinge 113 is opened, this coaster main body frame with non-dismountable hinge 108 for axle center bending.
In addition, one end of described pin 112 arranges circular hole, inserts iron wire in described circular hole.Iron wire can be utilized like this to prevent pin 112 from coming off.
When bearing rope put into by needs, extract pin 112, detachable hinge 113 is opened, bearing rope is put into, as shown in Figure 3, schematic diagram when this figure is netting coaster main body frame provided by the invention bending.
After putting into bearing rope, closed detachable hinge 113, penetrates pin 112, is penetrated by iron wire in the circular hole of pin 112.
In another embodiment provided by the invention, this netting coaster, also comprises: the upper connecting ring 110 being arranged on described coaster main body frame top;
Described upper connecting ring 110 is welded and fixed with described coaster main body frame 101.
This netting coaster also comprises: be arranged on the lower connecting ring 111 bottom described coaster main body frame 101;
Described lower connecting ring 111 is welded and fixed with described coaster main body frame 101.
In addition, also comprise: back clevis 105;
Described back clevis 105 is welded and fixed with described clutch shaft bearing 106, and described front connecting ring 104 and described back clevis 105 pairs of cars are arranged at the two ends of described clutch shaft bearing 106.
Preferably, top sheave described in the present invention and lower sheave are nylon pulley, can alleviate the frictional force between bearing rope and pulley like this, protection bearing rope.
In addition, the described top sheave in the present invention and the equal and opposite in direction of lower sheave.
Described coaster main body frame adopts Q235 steel, sturdy and durable.
It should be noted that, netting coaster provided by the invention can be applied on the U-shaped safety net of high voltage transmission line, is understandable that, this netting coaster can be applied in the diverse location of U-shaped net.When the position that coaster is arranged on U-shaped net is different, the object that upper connecting ring is connected with lower connecting ring is also different.Specifically can with reference to following connected mode:
Block construction time, by front connecting ring with O type lock be connected with danish seine rope sling, then by pulley suspension on bearing rope.Be positioned at the coaster at cross-arm bearing rope place, lower connecting ring O type lock is connected with the sling of side netting rope.Be positioned at the coaster at side bearing rope place, bottom surface, upper connecting ring O type lock is connected with side netting rope sling, and lower connecting ring O type lock is connected with bottom surface netting rope sling.Be positioned at the coaster at bearing rope place in the middle of bottom surface, lower connecting ring O type lock is connected with the bottom surface netting rope sling of both sides.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.

Claims (9)

1. a netting coaster in high voltage transmission line construction, is characterized in that, comprising: coaster main body frame, top sheave, lower sheave and front connecting ring;
Described top sheave is fixed on described coaster main body frame the first half by clutch shaft bearing;
Described lower sheave is fixed on described coaster main body frame the latter half by the second bearing;
Described clutch shaft bearing is parallel with the axis of the second bearing;
Bearing rope is placed in the space formed between described top sheave and lower sheave;
Described front connecting ring and described clutch shaft bearing are welded and fixed;
Described front connecting ring, for connecting netting pull rope.
2. netting coaster in high voltage transmission line construction according to claim 1, is characterized in that, also comprise: pin, detachable hinge and non-dismountable hinge;
Described detachable hinge and non-dismountable hinge are arranged on described coaster main body frame corresponding to position between described top sheave and lower sheave; Described detachable hinge and non-dismountable hinge are symmetricly set on left side and the right side of coaster main body frame;
Detachable hinge is connected with coaster main body frame by pin;
When detachable hinge is opened, this coaster main body frame with non-dismountable hinge for axle center bends.
3. netting coaster in high voltage transmission line construction according to claim 2, it is characterized in that, one end of described pin arranges circular hole, inserts iron wire in described circular hole.
4. netting coaster in high voltage transmission line construction according to claim 1, is characterized in that, also comprise: the upper connecting ring being arranged on described coaster main body frame top;
Described upper connecting ring and described coaster main body frame are welded and fixed.
5. netting coaster in high voltage transmission line construction according to claim 1, is characterized in that, also comprise: be arranged on the lower connecting ring bottom described coaster main body frame;
Described lower connecting ring and described coaster main body frame are welded and fixed.
6. netting coaster in high voltage transmission line construction according to claim 1, is characterized in that, also comprise: back clevis;
Described back clevis and described clutch shaft bearing are welded and fixed, and described front connecting ring and described back clevis are arranged at the two ends of described clutch shaft bearing to car.
7. netting coaster in high voltage transmission line construction according to claim 1, it is characterized in that, described top sheave and lower sheave are nylon pulley.
8. netting coaster in high voltage transmission line construction according to claim 7, is characterized in that, the equal and opposite in direction of described top sheave and lower sheave.
9. netting coaster in the high voltage transmission line construction according to any one of claim 1-8, it is characterized in that, described coaster main body frame adopts Q235 steel.
CN201511020010.2A 2015-12-30 2015-12-30 Netting coaster in a kind of construction of high voltage transmission line Active CN105429055B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511020010.2A CN105429055B (en) 2015-12-30 2015-12-30 Netting coaster in a kind of construction of high voltage transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511020010.2A CN105429055B (en) 2015-12-30 2015-12-30 Netting coaster in a kind of construction of high voltage transmission line

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CN105429055A true CN105429055A (en) 2016-03-23
CN105429055B CN105429055B (en) 2018-09-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108512123A (en) * 2018-06-13 2018-09-07 贵州电网有限责任公司 A kind of quick close-up device for ultra-high-tension power transmission line
CN112018662A (en) * 2020-07-24 2020-12-01 天津送变电工程有限公司 Net-pulling fixed-interval unfolding and releasing link assembly
CN113629581A (en) * 2021-08-16 2021-11-09 安徽宏源电力设计咨询有限责任公司 Net sealing structure on temporary cross arm and net rope threading method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201315444Y (en) * 2008-11-20 2009-09-23 四川电力送变电建设公司 Suspended cable basket blocking net charged crossing support
CN201378704Y (en) * 2009-03-10 2010-01-06 赵国良 Electrical maintenance-dedicated hook ladder
CN201545595U (en) * 2009-05-13 2010-08-11 中冶天工上海十三冶建设有限公司 Lifting shackle capable of rapid detachment
CN201874373U (en) * 2010-11-04 2011-06-22 夏万梅 Detachable hinge
CN202602167U (en) * 2011-04-12 2012-12-12 桐乡市供电局 Pay-off pulley
CN103594961A (en) * 2013-11-01 2014-02-19 国家电网公司 Method for replacing cable
CN203967615U (en) * 2014-06-27 2014-11-26 国家电网公司 Block coaster
CN205355671U (en) * 2015-12-30 2016-06-29 国家电网公司 Coaster for net braiding in high tension power line construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201315444Y (en) * 2008-11-20 2009-09-23 四川电力送变电建设公司 Suspended cable basket blocking net charged crossing support
CN201378704Y (en) * 2009-03-10 2010-01-06 赵国良 Electrical maintenance-dedicated hook ladder
CN201545595U (en) * 2009-05-13 2010-08-11 中冶天工上海十三冶建设有限公司 Lifting shackle capable of rapid detachment
CN201874373U (en) * 2010-11-04 2011-06-22 夏万梅 Detachable hinge
CN202602167U (en) * 2011-04-12 2012-12-12 桐乡市供电局 Pay-off pulley
CN103594961A (en) * 2013-11-01 2014-02-19 国家电网公司 Method for replacing cable
CN203967615U (en) * 2014-06-27 2014-11-26 国家电网公司 Block coaster
CN205355671U (en) * 2015-12-30 2016-06-29 国家电网公司 Coaster for net braiding in high tension power line construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108512123A (en) * 2018-06-13 2018-09-07 贵州电网有限责任公司 A kind of quick close-up device for ultra-high-tension power transmission line
CN108512123B (en) * 2018-06-13 2024-02-02 贵州电网有限责任公司 Quick net sealing device for high-voltage transmission line
CN112018662A (en) * 2020-07-24 2020-12-01 天津送变电工程有限公司 Net-pulling fixed-interval unfolding and releasing link assembly
CN113629581A (en) * 2021-08-16 2021-11-09 安徽宏源电力设计咨询有限责任公司 Net sealing structure on temporary cross arm and net rope threading method thereof

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