CN102227064B - Crossover-stand used for erecting power transmission lines - Google Patents
Crossover-stand used for erecting power transmission lines Download PDFInfo
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- CN102227064B CN102227064B CN 201110075286 CN201110075286A CN102227064B CN 102227064 B CN102227064 B CN 102227064B CN 201110075286 CN201110075286 CN 201110075286 CN 201110075286 A CN201110075286 A CN 201110075286A CN 102227064 B CN102227064 B CN 102227064B
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- pivot
- rolling
- crossing frame
- rod member
- transverse bar
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 235000019994 cava Nutrition 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention relates to a rolling apparatus which is used for erecting power transmission lines. The rolling apparatus comprises: a horizontal rod; diagonal rods, which are respectively aslant installed on two end of the horizontal rod through connecting pieces; suspension rings, which are installed on the free end of every diagonal rod and can rotate along a radial direction. The horizontal rod and the diagonal rods all comprise inner rods and rolling sleeve pipes installed on outer surfaces of the inner rods. The rolling apparatus can make trailed transmission conductors to be rolled on the apparatus. Because a rolling friction resistance is far less than a sliding friction resistance, using the apparatus can save a tractive force.
Description
Technical field
The present invention relates to a kind of crossing frame of the usefulness that erects power transmission lines.
Background technology
Because the transmission pressure particularly quality of high voltage electricity transmission conductive wire itself is just bigger, and adjacent two iron towers that are used for the support transmission pressure have bigger span, the barrier that simultaneously between adjacent two iron towers, exists quilts such as electrified body, crops, trees, river, road, building and structures to cross over, so, set up or dismantle transmission pressure and be a complexity and difficult engineering.
In the prior art, setting up or dismantle transmission pressure usually adopts and is installed in the guiding rope between adjacent two iron towers and is suspended on that the guiding rope is gone up and by the coaster of backguy control, and for avoid transmission pressure and ground or with above-mentioned by the contacted crossing frame of across obstacle and insulation net, the logical frame structure of being made by the aluminium alloy of steel alloy or lighter weight of crossing frame wherein.Because the transmission pressure that need set up or be removed is under the traction of coaster, to between adjacent two iron towers, move, and in the process that transmission pressure moves, be to be supported and slippage thereon by crossing frame, this shows, crossing frame is not only being carried the weight of transmission pressure, also and between the transmission pressure produce sliding friction simultaneously, so, crossing frame is firm also easily by the bigger frictional force wearing and tearing that transmission pressure produced of slippage in any case, the old transmission pressure that particularly is removed, because its surface is similar to the zigzag tip, easier making apart from frame more damaged; In addition; frictional resistance between transmission pressure and the crossing frame also can produce considerable influence to traction element; because of guiding rope and coaster; and backguy is subjected to the effect of wind-force in the air at height; guiding rope and phenomenons such as backguy winding and coaster skew appear through regular meeting; the back coaster takes place and moves difficulty in this phenomenon; and the frictional resistance that guiding rope and backguy winding and coaster also need to overcome under shift state between transmission pressure and the crossing frame could move transmission pressure; be easy to cause phenomenons such as transmission pressure stagnation; and then influencing operations such as construction progress and increase maintenance capacity, its construction cost obviously improves.
Because the transmission pressure that need set up or be removed is under the traction of pulley, to between adjacent two iron towers, move, because of guiding rope and pulley, and backguy is subjected to the effect of wind-force in the air at height, can cause pulley to reverse, if pulley can not automatically be adjusted direction, wrapping phenomena appears in guiding rope and backguy meeting after pulley reverses, after this phenomenon takes place, transmission pressure on the mobile pulley is very difficult, particularly under the bigger situation of pulley windup-degree, can cause the guide wire wide-angle to twine and wearing and tearing, also be difficult to the traction transmission pressure simultaneously.Another problem is; because of in the process of traction transmission pressure; transmission pressure on pulley the time regular meeting occur jumping or fluctuation formula ground mobile; and this move mode can increase the resistance of traction equally; even if pulley is under situation about not twisting; its tractive resistance also is very big, can bring certain difficulty to normal construction.
The name of Chinese patent 201260047Y number bulletin is called " asymmetric pulley block " and provides a solution.This pulley block comprises link plate and support, and the pulley that is limited by support, though can reduce frictional resistance by the mode of rolling friction between this pulley and the transmission pressure, but fixedly connected owing to adopt between link plate and the support, pulley block reverses under the extraneous wind-force effect easily being subjected to, and pulley reverses and can make transmission pressure not point-blank, and then increases the resistance of traction transmission pressure; In addition, this kind pulley block is when the traction transmission pressure, having only a pulley to roll with transmission pressure contacts, when transmission pressure in distraction procedure, its fluctuation can touch framework upper, and then make between itself and the framework and form sliding friction, frictional resistance can improve greatly, and operation brings certain difficulty to stringing.
Summary of the invention
The purpose of this invention is to provide the crossing frame that a kind of mode of utilizing rolling friction and pulley to turn to automatically solves the usefulness that erects power transmission lines of problems such as the big and crossing frame of tractive effort is fragile.
The crossing frame of the usefulness that erects power transmission lines proposed by the invention comprises one group of rolling rod member and is used for hanging the pulley of each rolling rod member, described rolling rod member comprises transverse bar member and is mounted obliquely within the inclined member at transverse bar member two ends respectively by connector, and be installed in that each root inclined member is free-ended can be along the suspension ring that radially rotate, rod member and the rolling sleeve pipe that is installed in interior rod member outer surface in described transverse bar member and inclined member include, described inclined member is provided with two, the link of two inclined members connects by knuckle, and at the knuckle position spring and the resilient sleeve that is installed in the spring outer surface is installed.
The two ends of described transverse bar member and inclined member are separately installed with bearing, and the rolling sleeve pipe is fixed on the outer surface of bearing, and the angle between transverse bar member and the inclined member is between the 100-140 degree.
Described pulley comprises the rectangle frame of an end face opening and is installed in the head lamp brush guard pivot on this rectangle frame side by side and descends pivot, and the moving runner that is installed in the rectangle frame and limits by head lamp brush guard pivot and following pivot respectively, the Access Division of pivot location under side of rectangle frame is equipped with for restriction, the top relative with open end face at rectangle frame is equipped with the suspension ring that can radially rotate.
Described moving runner radially be provided with the semi-circular recesses that caves inward.
A described end of pivot down is provided with radial slot, and two walls of this radial slot are provided with the through hole that inserts for bearing pin, and described Access Division is provided with a microscler chute that allows bearing pin to move.Be provided with an axial hole from the middle part of radial slot on the described down pivot, spring be installed and by the steady pin of this spring push in this axial hole.
The crossing frame of the usefulness that erects power transmission lines proposed by the invention can make trailed transmission pressure roll thereon, because rolling frictional resistance little sliding-frictional resistance far away, so, use this kind device can save tractive effort; Simultaneously, owing to be to roll to contact between transmission pressure and this device, even if it is there is the zigzag tip on the transmission pressure surface, also difficult with this device scuffing; In addition, resilient sleeve is all adopted in transverse bar member and the connection between the inclined member in this device, and this is installed can not influence the cover that rolls after the random bending yet and roll, so, when using this device, even if being applied on this device, extraneous wind-force and other power can not impact it yet.
Description of drawings
Accompanying drawing 1 is the sight structural representation of an embodiment of crossing frame of the usefulness that erects power transmission lines proposed by the invention;
Accompanying drawing 3 is the cross-sectional view of an embodiment of transverse bar member among Fig. 1;
Accompanying drawing 4 is the cross-sectional view of an embodiment of inclined member among Fig. 1;
Accompanying drawing 5 is the cross-sectional view of the embodiment in inclined member end among Fig. 1;
Accompanying drawing 7 is the outward appearance cross-sectional view of the embodiment in Access Division among Fig. 6.
Embodiment
Referring to Fig. 1, this figure provides the overall appearance structure of an embodiment of crossing frame of the usefulness that erects power transmission lines proposed by the invention.This crossing frame comprises one group of rolling rod member 10 and be used for to hang the pulley 20 of each rolling rod member 10, and the protection network of hanging by pulley 20 30.
Referring to Fig. 2, this figure provides the overall appearance structure of an embodiment of rolling rod member of the usefulness that erects power transmission lines proposed by the invention.This device comprises transverse bar member 1 and inclined member 2, and suspension ring 3.Angle between transverse bar member 1 and the inclined member 2 is between the 100-140 degree, and best angle is 120 degree, and this angle can make traction more convenient during transmission pressure, and also can not influence its operate as normal when impacted by wind-force.The inclined member 2 of each side is provided with many, only provide two structure in the present embodiment, i.e. first inclined member 21 and second inclined member 22, and the connecting portion between first inclined member 21 and second inclined member 22 is provided with a resilient sleeve 23, and suspension ring 3 are installed in the end of second inclined member 22.Adopt the connected mode of many inclined members 2 basic identical with the connected mode that adopts two inclined members 2.
Referring to Fig. 3, this figure provides the surface structure schematic diagram of 1 one embodiment of transverse bar member.Rod member 11 and the rolling sleeve pipe 12 that is installed in interior rod member 11 outer surfaces were installed in bearing 13 respectively at the two ends of interior rod member 11, and make rolling sleeve pipe 12 also cover the outer surface of bearing 13 in this transverse bar member 1 comprised.Interior rod member 11 extends bearing 13 ends and is provided with external screw thread, and is connected with connector 14 screw-on.Connector 14 can be made of elastomeric material such as rubber or similar material, and its cross section is triangle or close to triangle.
Referring to Fig. 4, this figure provides the surface structure schematic diagram of 2 one embodiment of inclined member.Inclined member 2 comprises first inclined member 21 and second inclined member 22, and the connecting portion between first inclined member 21 and second inclined member 22 is provided with a resilient sleeve 23, first inclined member 21 has rod member 24 in first, second inclined member 22 has rod member 26 in second, in first in the rod member 24 and second outer surface of rod member 26 rolling sleeve pipe 25 all is installed, and at both end regions a bearing 20 is installed all.The end of rod member 26 is connected by knuckle in the rod member 24 and second in first, this knuckle comprises the rectangle projection 27 that rod member 24 ends in first radially are set and is arranged on rod member 26 ends in second and the radial groove 28 that allow rectangle projection 27 insert that be complementary with rectangle projection 27, and the pivot 29 that is used for limiting rectangle projection 27 and radial groove 28 positions, for make turn to energy-conservation flexible rotation and after rotation the resilient attitude, spring 4 also is installed in resilient sleeve 23.
Referring to Fig. 5, this figure provides the cross-sectional view of the embodiment in inclined member 2 ends.What the end of inclined member 2 provided is rod member 26 and the bearing 20 that is installed in rod member 26 end regions in second in second, and the rolling sleeve pipe 25 that is installed in rod member 26 outer surfaces in second.The outer end of rod member 26 also is equipped with suspension ring 3 in second, and these suspension ring 3 have a pin 32 that is enclosed within the axle sleeve 31 of rod member 26 ends in second and is used for limiting axle sleeve 31 positions, and the annulus 33 of fixedlying connected with axle sleeve 31.Annulus 33 can drive axle sleeve 31 and radially rotate.
Referring to Fig. 6 and Fig. 7, these two accompanying drawings provide the overall appearance structure of an embodiment of pulley.This pulley 1 comprises rectangle frame 51 and the last moving runner 53 that is limited by head lamp brush guard pivot 52, the following moving runner 55 that is limited by following pivot 54, and be installed in Access Division 6 and suspension ring 7 on 51 1 sides of rectangle frame.
Last moving runner 53 and following moving runner 55 radially be provided with the semi-circular recesses 56 and 57 that caves inward, make two moving runners 53 and 55 radially between can form a cylindrical channel that is complementary with transmission pressure, the phenomenon that can make transmission pressure fluctuate in any case and also can not occur blocking like this.Suspension ring 7 are installed in the top with rectangle frame 51 open end face opposite faces, suspension ring have a ring part 71 and the turning set 72 of fixedlying connected with this ring part 71, and the bearing pin 73 that is used for limiting turning set 72 positions, suspension ring 7 can rotate along the plane any direction at place under external force, the phenomenon that can make the guiding rope that penetrates suspension ring 7 can not occur twining, and then can save tractive effort.
In use, at first long elements 61 is erected, be its length direction with following pivot 54 point-blank, to descend pivot 54 to take out from rectangle frame 51 together with long elements 61 then, be installed in transmission pressure between moving runner 53 and 55 after, will descend pivot 54 to pack into down in the pivot 54 together with long elements 61 again, and then long elements 61 is revolved turn 90 degrees back translation long elements 61, and make bearing pin 64 near a side of microscler chutes 62, namely near the middle part of long elements 61, so that pivot 54 is fixing down.
Claims (2)
1. the crossing frame of the usefulness that erects power transmission lines, this crossing frame comprises one group of rolling rod member and is used for hanging the pulley of each rolling rod member, it is characterized in that: described rolling rod member comprises transverse bar member and is mounted obliquely within the inclined member at transverse bar member two ends respectively by connector, and be installed in that each root inclined member is free-ended can be along the suspension ring that radially rotate, rod member and the rolling sleeve pipe that is installed in interior rod member outer surface in described transverse bar member and inclined member include, described inclined member is provided with two, the link of two inclined members connects by knuckle, and at the knuckle position spring and the resilient sleeve that is installed in the spring outer surface is installed.
2. crossing frame according to claim 1, it is characterized in that: the two ends of described transverse bar member and inclined member are separately installed with bearing, and the rolling sleeve pipe is fixed on the outer surface of bearing.
3, crossing frame according to claim 1 is characterized in that: the angle between described transverse bar member and the inclined member is between the 100-140 degree.
4, crossing frame according to claim 1, it is characterized in that: described pulley comprises the rectangle frame of an end face opening and is installed in the head lamp brush guard pivot on this rectangle frame side by side and descends pivot, and the moving runner that is installed in the rectangle frame and limits by head lamp brush guard pivot and following pivot respectively, the Access Division of pivot location under side of rectangle frame is equipped with for restriction, the top relative with open end face at rectangle frame is equipped with the suspension ring that can radially rotate.
5, crossing frame according to claim 4 is characterized in that: described moving runner radially be provided with the semi-circular recesses that caves inward.
6, crossing frame according to claim 4, it is characterized in that: a described end of pivot down is provided with radial slot, two walls of this radial slot are provided with the through hole that inserts for bearing pin, and described Access Division is provided with a microscler chute that allows bearing pin to move.
7, crossing frame according to claim 6 is characterized in that: be provided with an axial hole from the middle part of radial slot on the described down pivot, spring be installed and by the steady pin of this spring push in this axial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110075286 CN102227064B (en) | 2011-03-28 | 2011-03-28 | Crossover-stand used for erecting power transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110075286 CN102227064B (en) | 2011-03-28 | 2011-03-28 | Crossover-stand used for erecting power transmission lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102227064A CN102227064A (en) | 2011-10-26 |
| CN102227064B true CN102227064B (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110075286 Active CN102227064B (en) | 2011-03-28 | 2011-03-28 | Crossover-stand used for erecting power transmission lines |
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| Country | Link |
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| CN (1) | CN102227064B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611065A (en) * | 2012-03-30 | 2012-07-25 | 上海市电力公司 | Protection device for insulation inner container |
| CN104953511A (en) * | 2015-07-24 | 2015-09-30 | 国网辽宁省电力有限公司辽阳供电公司 | Spanning frame used for erecting power transmission and distribution lines |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134741A (en) * | 1998-10-26 | 2000-05-12 | Choai Kk | Cross arm hanging metal sheave attachment tool |
| CN2396550Y (en) * | 1999-11-09 | 2000-09-13 | 姜凯新 | Air crossing supporter for suspended purchase |
| CN200941537Y (en) * | 2006-04-04 | 2007-08-29 | 崔随林 | Hot-line crossing rack of insulated cable bridge |
| 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 |
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| Publication number | Publication date |
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| CN102227064A (en) | 2011-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121010 Address after: 117000, No. 3, North Street, city hall, Pingshan, Liaoning, Benxi Applicant after: Benxi Power Supply Company of Liaoning Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: 117000, No. 3, North Street, city hall, Pingshan, Liaoning, Benxi Applicant before: Benxi Power Supply Company of Liaoning Electric Power Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |