CN102785589A - Insulating contact net suspension device - Google Patents
Insulating contact net suspension device Download PDFInfo
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- CN102785589A CN102785589A CN2012101414043A CN201210141404A CN102785589A CN 102785589 A CN102785589 A CN 102785589A CN 2012101414043 A CN2012101414043 A CN 2012101414043A CN 201210141404 A CN201210141404 A CN 201210141404A CN 102785589 A CN102785589 A CN 102785589A
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Abstract
The invention provides an insulating contact net suspension device which is mainly characterized in that a horizontal wrist arm, an inclined wrist arm, a wrist arm supporting bar, a force bearing wire clip, a locating tube and a locator in the suspension device are all made of a non-metal material. According to the invention, the insulator with a convexo-concave external surface used in the conventional technology is canceled and replaced by the wrist arms supported by the non-metal material. Therefore, the electrical properties of the suspension device are greatly improved, the wet and pollution flashover voltage is high, the level of the contact net safety protection system is increased, and the structure of each wrist arm is further designed, so that the suspension device has the advantages of high strength, light weight, light structure and convenience for transportation, installation and maintenance.
Description
Technical field
The invention belongs to electrified track traffic technical field, relating to the transmission line of electricity to the electric locomotive power supply that sets up along the rail line sky is contact system, relates in particular to the insulation suspension gear of contact system.
Background technology
Contact system is the transmission line of electricity to the electric locomotive power supply that sets up along the rail line sky, undertaking and directly flowing to the vital task that electric locomotive uses to the electric energy that obtains from traction substation, and be outdoor no subsequent use power equipment supply.Therefore, the quality of urban track traffic contact system and mode of operation will directly affect the operation security of track traffic.In recent years along with the increase year by year of lightning hazards; The stroke-incidence rate of contact system is in rising trend; Therefore the insulation of contact-enhancing net, the anti-lightning surge ability that improves contact system will will play important effect to the operation security and even the national economy of urban track traffic.
Original suspension supportive device is as shown in Figure 1; Comprise pillar, the outer end that on this pillar 10, is connected horizontal bracket 04 and 07, two bracket of oblique wrist and arm with insulator 02 through metab 01 interconnects; And between two brackets bracket strut bar 03 is set also; In the termination of horizontal bracket 04 the load wire clamp is set, is used for fixing the main line in the contact system, on oblique wrist and arm 07, connect an end that is used to hang the registration arm 08 that contacts netting twine; The other end of this registration arm 08 is connected with horizontal bracket 04 with attaching parts 05 through lateral conductor 06, on registration arm, connects the lead that steady arm 09 is used for connecting contact system.This overhead contact line structure is except that insulator 02 adopts the insulating material manufacturing, and other main materials are the steel of conduction in the structure, and the electrical property of package unit depends on the characteristic of insulator.Insulator commonly used in the prior art mainly adopts ceramic insulator, toughened glass insulator, composite insulator (silaatic) three big kinds.Though these three kinds of insulator materials are different, all belong to shape creep distance by self concavo-convex generation and guarantee its insulating power, this structure has common shortcoming:
(1) the Mechanical Builds surface irregularity of insulator produces the dirty amount of natural product and is not easy to clean; Under bad weather conditions such as dense fog, light rain, dew, defrost, molten ice, insulator surface forms continuous moisture film easily, and pollution layer conductance is high; Therefore; Leakage Current is also very big, is prone to strong local arc takes place, and local arc further develops and causes external insulation flashover.The insulator contamination problem is the subject matter of external insulation always, the safe operation of its serious threat contact system.
(2) meet with when being struck by lightning because the restriction of the voltage levvl of contact system own; The contact system insulator very easily punctures; Cause interior insulation breakdown, especially when running into insulator and receive on every side, make the insulator surface local temperature raise suddenly because of the influencing of the strong pulse of thunderbolt initiation; Cause the destruction of insulator, thereby make insulator the null value effect occur.Its harm that brings is exactly to make to rely on the traffic route of contact system power supply to stop transport, and social influence is huge.
(3) suspension supportive device B-C post, oblique wrist and arm, horizontal bracket, supporting cable fixture all adopt metallic material, and Corrosion of Metallic Materials and aesthetic problem are the obstacles of puzzlement contact system technical development always.
(4) existing insulator adopts porcelain insulator mostly, and under the effect of DC electric field, the aging meeting that porcelain insulator causes because of the ion migration causes the insulator electromechanical properties to descend, and is prone to accidents caused.
In today of country's increasing development track traffic, transform extremely urgent to existing overhead contact line apparatus structure.We sum up lesson in the past, and discovery will improve the overhead contact line electrical property, fully guarantees contact system safety, must start with from version and material two aspects with putting into the melting pot.
Summary of the invention
The objective of the invention is to improve the deficiency of prior art, a kind of good insulation preformance, safe and reliable contact system insulation suspension gear are provided.
Further aim of the present invention is to provide the contact system insulation that a kind of intensity is high, in light weight, cost is low, rational in infrastructure suspension gear.
The objective of the invention is to realize like this:
A kind of contact system insulation suspension gear; It comprises horizontal bracket and oblique wrist and arm; One end of this horizontal bracket and oblique wrist and arm is connected with the connection structure that links to each other with column respectively; The other end of this horizontal bracket and oblique wrist and arm interconnects with column and constitutes triangular supports; Between said horizontal bracket and oblique wrist and arm, the bracket strut member is set,, between said horizontal bracket and oblique wrist and arm, connects registration arm and the steady arm that is used to connect contact line conducting wire at the load wire clamp that its arranged outside with the oblique wrist and arm junction is used to be connected the contact system main line that is positioned at of said horizontal bracket; It is characterized in that: said horizontal bracket, oblique wrist and arm, bracket strut member, load wire clamp, registration arm and steady arm are non-metallic material and process.
Said connection structure is a base.This base can be a hard ware, its plating zinc on surface.
Said non-metallic material can be glass-reinforced plastic material, stupalith or resin material, or glass fiber material.
Said non-metallic material, some density is bigger, for example processes said bracket etc. and can occur than high camber after stressed, and other is more crisp, easily fracture.Therefore, said non-metallic material also can be the composite material tube that wherein is provided with the resin material formation of fibrous glass, light ceramic filler, case hardened glass liner.
Said horizontal bracket, oblique wrist and arm, all or part of as said bracket strut member, load wire clamp, registration arm and the steady arm of bracket strut bar, or horizontal bracket at least wherein, oblique wrist and arm and bracket strut bar are the smooth pipe of outer wall.
A kind of said Horizontal Cantilever or oblique wrist and arm or bracket strut bar or bracket strut bar or registration arm promptly comprise an outer tube with the preferred a kind of composite pipe of rod-shaped material, are provided with the interior pipe or the weighting material of liner in it.
Can be: said outer tube be the pipe that the less material of rigidity is processed, and the said liner bigger interior pipe that is rigidity.
Wherein, Pipe can be glass tube, case hardened glass pipe, microcrystal glass tube or earthenware pipe in said; Said outer tube can be the interference fit socket or be bonded in the glass reinforced plastic pipe on the said interior pipe; Or the sandwich resin material pipe of fibrous glass is galss fiber reinforced resin pultrusion structural pipe, or fibrous glass twine with adhesion agent be fixed on said in the said outer tube of the outer formation of pipe.
The wall thickness of pipe in the wall thickness of said outer tube preferably is equal to or less than.
Preferably when the external diameter of outer tube was the 60-80 millimeter, the wall thickness of interior pipe was the 5-15 millimeter; Preferred inner tubal wall is thick to be the 10-15 millimeter.
Also can be: said outer tube be a glass reinforced plastic pipe, and filled and process material constitutes pole spar in it.
Wherein, the foamed materials of said filling can be the foameds materials little than outer tube density such as poly-vinyl, polystyrene.For example be high hardness foams such as high hardness sponge etc.
The cross sectional shape of said composite pipe can be circular, also can be oval, can also be Long Circle.
Said horizontal bracket and oblique wrist and arm are preferably round section, elliptical shape in cross-section.
When adopting elliptical shape in cross-section, major axis is erect and is provided with.
Such scheme is transformed for the glass-felt plastic pole stock of common use, inserts the little foamed materials of density, can reduce the weight of rod member greatly.And establish more greatly or the in addition less interior pipe of density of rigidity at the less outer tube liner of rigidity; Both can alleviate the weight of rod member; Can also improve the rigidity of rod member greatly, the qualification of interior pipe and outer tube wall thickness makes this contact system insulation suspension gear to match in excellence or beauty with the suspension gear that metallic material is processed.
As being connected with said base bonded assembly one end or being connected on the said base an of end of the said bracket strut member of bracket strut bar and said oblique wrist and arm, the other end is connected with said horizontal bracket.
One end of said bracket strut bar is connected with said base bonded assembly one end with said oblique wrist and arm, and the other end is connected with said horizontal bracket.
A preferred version is that the angle between said bracket strut bar and the said oblique wrist and arm is 10-20 °.Preferred said angle is 15-20 °.
In order to improve the rigidity of this suspension gear; Can also be, the bracket strut member be a brace panel, is arranged on the space between said horizontal bracket and the oblique wrist and arm; The bracket strut bar promptly is not set, and singly is that space between horizontal bracket and oblique wrist and arm is provided with said reinforcement sheet material.Perhaps, said bracket strut member can also be to comprise bracket strut bar and brace panel, and the two ends of said bracket strut bar are connected on said horizontal bracket and the oblique wrist and arm, and said brace panel is arranged in the space between horizontal bracket, oblique wrist and arm and the bracket strut bar.
On this reinforcement sheet material, perforation is set.The perforation that on this brace panel, is provided with is preferably hexagonal penetration hole.
Said bracket strut member in the suspension gear provided by the invention and prior art compare, and the various supports structure can improve the stability of device, and support effect is better.In addition, the size of the angle of bracket strut bar and oblique wrist and arm decision support effect, angle is too little; The outer end of horizontal bracket can not get supporting well, if but angle is too big, and then the length of bracket strut bar increases; Weight increases, and produces the harmful effect of tenesmus again for horizontal bracket.
Said load wire clamp also is that non-metallic material is processed.Its structure can be:
Said load wire clamp comprises a umbrella shape disk body; Conical tip portion is provided with a flat surface in the upper end of this umbrella shape disk body; An affixed line ball carriage is provided with the main line storage tank on this line ball carriage on this flat surface, on this line ball carriage, the wire clamp gland is set; This wire clamp gland covers on the said line ball carriage on the main line storage tank, said line ball carriage and wire clamp gland through screw retention on the said flat surface of said umbrella shape disk body; The lower end of column connects firmly a load wire clamp carriage through screw in the lower end of said umbrella shape disk body; On the upper surface of the lower surface of the lower end of said umbrella shape disk body column and said load wire clamp carriage, form groove respectively; The hole of the cross-sectional plane coupling of two groove opposite formations and said horizontal bracket, said horizontal bracket is located in this hole.
Said base is that carbon cast steel or structural carbon steel are made, and the zinc layer is set on its outside face.
The overhead contact line device that contact system insulation suspension gear composite material provided by the invention is made, its entire product comprises main pillar, oblique wrist and arm, horizontal bracket, all adopts fibrous glass and light ceramic filler to strengthen resin pultrusion structural tube; Supporting cable fixture also adopts for example glass-reinforced plastic material mould pressing technology production; The base of end can be for example carbon cast steel or structural carbon steel making of metallic material, but for example is coated with hot galvanized layer at its outside face.Compare with adopting traditional porcelain insulator, glass insulator and composite insulator contact system steel suspension gear, have following advantage:
(1) intensity is high, and is in light weight.Composite material overhead contact line device provided by the invention can be employed in sandwich structure circle or the ellipse multiple unit tube that hollow tube such as the solid material of liner high hardness foam core or glass, pottery constitutes in the high strength glass fiber reinforced plastic tube type material; The overhead contact line device strength-to-density ratio of processing with this composite material is very high, and its weight is merely 1/3 ~ 1/5 of original insulator and metal tube framed structure.Structure is light and handy, is convenient to transportation, installs and maintenance.
(2) electric property is superior, has the dry arcing distance of growing up, and anti-thunder and lightning level strengthens greatly.Composite material overhead contact line device provided by the invention is formed smooth smooth-going outward appearance by non-conductive glass reinforced plastic pipe section bar.Its organic composite material low-energy surface hydrophobic nature is the major cause of the dirty performance of moisture-proof of excellence; Under bad weather conditions such as dense fog, light rain, dew, defrost, molten ice; The surface forms the globule of separation rather than continuous moisture film, and pollution layer conductance is very low, so Leakage Current is also very small; Be difficult for strong local arc takes place, local arc also is difficult to further develop becomes external insulation flashover.Need not practice thrift the human and material resources of a large amount of cleaning external insulation equipments as the regular cleaning of insulator in filthy area, also not have insulator zero value detection problem, the operation and maintenance cost that greatly reduces.Effectively improved the reliability of safe operation.
(3) improve contact system security protection system grade.The whole overhead contact line device electrical property excellence made from composite material, its non-conductive thunder and lightning disruptie strength can satisfy requirement of shelter, to the very big obstruct of grounded circuit generation of atmosphere thunder and lightning.Can guarantee when being struck by lightning that like this contact net system equipment is interference-free, reduce the back stoppage in transit hazard level of being struck by lightning, guarantee the safe operation of contact net system.
(4) in contact net system, can cancel traditional aerial earth wire behind the cantilever structure of this form of application, thereby reduce construction costs.
(5) after its insulating power are strengthened, the generation of having stopped dc leakage-current basically, favourable to the stray current protection.
Through accompanying drawing and embodiment the present invention is described further below.
Description of drawings
Fig. 1 is the structural representation of the overhead contact line device that uses in the prior art.
Fig. 2 is the structural representation of contact system insulation suspension gear provided by the invention.
Fig. 3 is the perspective view of the load wire clamp in the contact system insulation suspension gear provided by the invention.
Fig. 4 is the perspective view of another angle of load wire clamp shown in Figure 3.
Fig. 5 is the main TV structure scheme drawing of load wire clamp shown in Figure 3.
Fig. 6 is the plan structure scheme drawing of load wire clamp shown in Figure 3.
Fig. 7 is the A-A sectional structure scheme drawing of Fig. 5.
Fig. 8 is the B-B sectional structure scheme drawing of Fig. 6.
Fig. 9 is horizontal bracket and a kind of section structure scheme drawing of oblique wrist and arm among Fig. 2.
Figure 10 is the another kind of section structure scheme drawing of horizontal bracket and oblique wrist and arm.
Figure 11 is the section structure scheme drawing of another kind of horizontal bracket or oblique wrist and arm or bracket strut bar.
Figure 12 is the section structure scheme drawing of another horizontal bracket or oblique wrist and arm or bracket strut bar.
Figure 13 is for being provided with the structural representation of this suspension gear of stay bearing plate between horizontal bracket and oblique wrist and arm.
The specific embodiment
As shown in Figure 2; A kind of contact system insulation suspension gear, it comprises base 1, horizontal bracket 3, oblique wrist and arm 6, bracket strut bar 2, registration arm 7 and steady arm 8, an end of this horizontal bracket 3 and oblique wrist and arm 6 is connected with the base 1 that links to each other with column 9 respectively; The other end of this horizontal bracket 3 and oblique wrist and arm 6 interconnects with column 9 and constitutes triangular supports; Between said horizontal bracket 3 and oblique wrist and arm 6, bracket strut bar 2 is set, an end of bracket strut bar 2 is fixed on the base 1 of oblique wrist and arm 6, or is fixed on the end of the contiguous connection in oblique wrist and arm lower end base 1; Its other end is connected on the horizontal bracket 3, and the angle between bracket strut bar 2 and the oblique wrist and arm 6 is 17 °.
Said horizontal bracket 3 be positioned at its with the outer webs of oblique wrist and arm junction on be provided for being connected the load wire clamp 4 of contact system main line, between said horizontal bracket 3 and oblique wrist and arm 6, connect the registration arm 7 and steady arm 8 that are used to connect contact line conducting wire; On oblique wrist and arm 6, connect an end that is used to hang the registration arm 7 that contacts netting twine; The other end of this registration arm 7 through lateral conductor 5 and attaching parts just load wire clamp 4 be connected with horizontal bracket 3, connection steady arm 8 is used for connecting the lead of contact system on registration arm 7.Said horizontal bracket, oblique wrist and arm, bracket strut bar, load wire clamp, registration arm and steady arm are non-metallic material and process.
The composite material that said non-metallic material constitutes for the resin material that wherein is provided with fibrous glass.
For example, said horizontal bracket, oblique wrist and arm, bracket strut bar, load wire clamp, registration arm and steady arm are, and comprise pipe in an outer tube and; Said outer tube is a glass reinforced plastic pipe, and its internal expanding connects or the adhering glass pipe, or microcrystal glass tube; Or case hardened glass pipe, or earthenware pipe.
The wall thickness of pipe in the wall thickness of said outer tube preferably is equal to or less than.List the concrete value data of several kinds of pipe ranges and interior pipe and outer tube wall thickness as follows:
Pipe range (rice) composite pipe external diameter (millimeter) inner tubal wall thick (millimeter) outer tube wall thickness (millimeter)
3.8 80 15 15；
2.8 60 10 10；
3.3 80 15 10。
Said horizontal bracket, oblique wrist and arm and/or bracket strut bar can be made for galss fiber reinforced resin pultrusion structural tube.Glass tube, microcrystal glass tube that wherein the interior pipe established of lining can the selection standard specification are glass ceramics pipe or earthenware pipe.
Said outer tube can be the interference fit socket or be bonded in the glass reinforced plastic pipe on the said interior pipe.Outer tube can also be the sandwich resin material pipe of fibrous glass, or fibrous glass twines and adhesion agent is fixed on the outer said outer tube that forms of said interior pipe.
Also can be: said outer tube be a glass reinforced plastic pipe, and filled and process material constitutes pole spar in it.
The cross sectional shape of said composite pipe can be circular, also can be oval, can also be Long Circle.
Further, but the filled and process core constitutes pole spar in this structural tube, and for example, the filled polyethylene foamed materials becomes pole spar in the glass-felt plastic outer tube.The foamed materials of said filling also can be the foameds materials little than outer tube density such as polystyrene.
Said horizontal bracket and oblique wrist and arm are preferably round section or elliptical shape in cross-section, like Fig. 9 and shown in Figure 10.It also can be oblong shape.
When adopting ellipse or oblong shape cross sectional shape, major axis is erect and is provided with.
Said load wire clamp 4 also is that non-metallic material is for example processed for glass-felt plastic.Its structure such as Fig. 3 are to shown in Figure 8; Said load wire clamp 4 comprises a umbrella shape disk body 43, and conical tip portion is provided with a flat surface in the upper end of this umbrella shape disk body 43, an affixed line ball carriage 411 on this flat surface; Main line storage tank 411a is set on this line ball carriage 411; On this line ball carriage, wire clamp gland 410 is set, this wire clamp gland covers on the said line ball carriage on the main line storage tank 411a, and it is corresponding with storage tank 411a also to be provided with groove 410a on the online cramping lid 410.Said line ball carriage 411 is fixed on the said flat surface of said umbrella shape disk body 43 with wire clamp gland 410 through screw 49; The lower end of column connects firmly a load wire clamp carriage 46 through four screws 44 in the lower end of said umbrella shape disk body 43; On the upper surface of the lower surface of the lower end of said umbrella shape disk body 43 column and said load wire clamp carriage, form groove respectively; The hole of the cross-sectional plane coupling of two groove opposite formations and said horizontal bracket 3, said horizontal bracket 3 is located in this hole.
Said base is that carbon cast steel or structural carbon steel are made, and on its outside face hot galvanized layer is set.
In the lower end of load wire clamp 4, promptly load wire clamp carriage 46 lower ends can be provided with connection structure, a steel rope is set on the registration arm 7 is connected the connection structure on the load wire clamp carriage 46.
The present invention changes non-metallic material through the material with members such as horizontal bracket, oblique wrist and arm into by metal, has cancelled the outside face that uses in the routine techniques insulator as concaveconvex shape.The rigidity of non-metallic material and intensity generally can be lower than metallic material.Suspension gear in order to ensure changing material still can have enough intensity, and the structure design of bracket strut bar 2 can reduce the sagging amount of deflection of horizontal bracket greatly compared with supporting construction of the prior art.Each bracket body of rod adopts galss fiber reinforced resin pultrusion structural pipe, and inner filled and process core can reduce the deadweight of member again, makes suspension gear safer, reliable.
Shown in figure 11; In order to improve the rigidity of this suspension gear, can also be that the space between said horizontal bracket, oblique wrist and arm, pillar 9 and bracket strut bar is provided with reinforcement sheet material; Make to form a triangular plate 50, some perforation 51 are set on this triangular plate.This triangular plate 50 is connected with column through said base.On triangular plate, extend a horizon bar, connect load wire clamp 4 on it.Be connected with the corresponding site of triangular plate through connection structure at registration arm 7.Other structure is identical with aforementioned instance shown in Figure 2.Thus, can simplify the structure, make things convenient for installation and maintenance simultaneously so that the rigidity of non-metallic material system suspension gear and intensity are greatly improved.The some perforation that on this triangular plate, are provided with are preferably hexagonal penetration hole.
Be provided with in the instance of strengthening sheet material, also the bracket strut bar can be set.
Suspension gear provided by the invention, the attaching parts of each rod component also use non-metallic member to connect, and just are to use metallic screw, pad to connect, and this attachment hardware also all carries out the plating zinc on surface passivation, to improve its insulativity.Like this, just can guarantee that the suspension gear insulativity is very high.Attached water or ice on the for example horizontal bracket and reduced insulativity because nonmetallic load wire clamp is set, just can guarantee that also the insulativity of wire clamp bonded assembly parts is unaffected.
And the effect of the wire clamp of umbrella shape is: through the anti-rainwater effect of umbrella shape wire clamp, improve the lightning impulse intensity of suspension gear, the impact that can resist thunder and lightning better.
Claims (10)
1. contact system insulation suspension gear; It comprises horizontal bracket and oblique wrist and arm; One end of this horizontal bracket and oblique wrist and arm is connected with the connection structure that links to each other with column respectively; The other end of this horizontal bracket and oblique wrist and arm interconnects with column and constitutes triangular supports; Between said horizontal bracket and oblique wrist and arm, the bracket strut member is set,, between said horizontal bracket and oblique wrist and arm, connects registration arm and the steady arm that is used to connect contact line conducting wire at the load wire clamp that its arranged outside with the oblique wrist and arm junction is used to be connected the contact system main line that is positioned at of said horizontal bracket; It is characterized in that: said horizontal bracket, oblique wrist and arm, bracket strut member, load wire clamp, registration arm and steady arm are non-metallic material and process.
2. contact system insulation suspension gear according to claim 1, it is characterized in that: said non-metallic material is glass-reinforced plastic material, stupalith or resin material, or glass fiber material; Or the composite material that constitutes with the resin material pipe that wherein is provided with fibrous glass, light ceramic filler, case hardened glass liner; Perhaps,
Said horizontal bracket, oblique wrist and arm, all or part of as said bracket strut member, load wire clamp, registration arm and the steady arm of bracket strut bar, or horizontal bracket at least wherein, oblique wrist and arm and bracket strut bar are the smooth pipe of outer wall; Perhaps,
As being connected with said base bonded assembly one end or being connected on the said base an of end of the said bracket strut member of bracket strut bar and said oblique wrist and arm, the other end is connected with said horizontal bracket; Perhaps,
Said bracket strut member is a brace panel, and it is arranged on the space between said horizontal bracket and the said oblique wrist and arm; Perhaps,
Said bracket strut member comprises bracket strut bar and brace panel, and the two ends of said bracket strut bar are connected on said horizontal bracket and the oblique wrist and arm, and said brace panel is arranged in the space between horizontal bracket, oblique wrist and arm and the bracket strut bar.
3. contact system insulation suspension gear according to claim 1 and 2; It is characterized in that: said horizontal bracket, oblique wrist and arm, to use rod-shaped material as the bracket strut member of bracket strut bar or registration arm be a kind of composite pipe; Comprise an outer tube, be provided with the interior pipe or the weighting material of liner in it.
4. contact system according to claim 3 insulation suspension gear, it is characterized in that: said outer tube is the pipe that the less material of rigidity is processed, and the said liner bigger interior pipe that is rigidity; Perhaps,
Said outer tube is a glass reinforced plastic pipe, and filled and process material constitutes pole spar in it.
5. contact system insulation suspension gear according to claim 4; It is characterized in that: pipe is glass tube or case hardened glass pipe or microcrystal glass tube or earthenware pipe in said; Said outer tube be the interference fit socket or be bonded in said in glass reinforced plastic pipe or the sandwich resin material pipe of fibrous glass on the pipe be galss fiber reinforced resin pultrusion structural pipe, or fibrous glass twine with adhesion agent be fixed on said in the said outer tube of the outer formation of pipe; And/or,
The wall thickness of pipe in the wall thickness of said outer tube is equal to or less than.
6. according to the described contact system insulation of one of claim 3 to 5 suspension gear, it is characterized in that: when the external diameter of outer tube was the 60-80 millimeter, the wall thickness of interior pipe was the 5-15 millimeter; Perhaps,
The cross sectional shape of said composite pipe is circular, or oval, or Long Circle; Perhaps,
Said horizontal bracket and oblique wrist and arm are round section or elliptical shape in cross-section; Perhaps,
Said composite pipe is an elliptical shape in cross-section, and its major axis is erect and is provided with.
7. contact system insulation suspension gear according to claim 2 is characterized in that: on this reinforcement sheet material, perforation is set.
8. contact system insulation suspension gear according to claim 2, it is characterized in that: the angle between said bracket strut bar and the said oblique wrist and arm is 10-20 °; Perhaps, said angle is 15-20 °.
9. according to the described contact system insulation of one of claim 1 to 8 suspension gear, it is characterized in that: said load wire clamp also is that non-metallic material is processed, and its structure is:
Said load wire clamp comprises a umbrella shape disk body; Conical tip portion is provided with a flat surface in the upper end of this umbrella shape disk body; An affixed line ball carriage is provided with the main line storage tank on this line ball carriage on this flat surface, on this line ball carriage, the wire clamp gland is set; This wire clamp gland covers on the said line ball carriage on the main line storage tank, said line ball carriage and wire clamp gland through screw retention on the said flat surface of said umbrella shape disk body; The lower end of column connects firmly a load wire clamp carriage through screw in the lower end of said umbrella shape disk body; On the upper surface of the lower surface of the lower end of said umbrella shape disk body column and said load wire clamp carriage, form groove respectively; The hole of the cross-sectional plane coupling of two groove opposite formations and said horizontal bracket, said horizontal bracket is located in this hole.
10. according to claim 7 or 8 described contact system insulation suspension gears, it is characterized in that: the perforation that on this brace panel, is provided with is a hexagonal penetration hole.
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| GB2521602A (en) * | 2013-12-20 | 2015-07-01 | Francis & Lewis Internat Ltd | Overhead electrification line cantilever assembly |
| CN104890534A (en) * | 2015-05-06 | 2015-09-09 | 同济大学 | Supporting mechanism of negative positioning elastic damper for high-speed railway touching nets |
| CN106183893A (en) * | 2016-08-11 | 2016-12-07 | 西安唯实输配电技术有限公司 | It is applied to the overall compound inslation bracket of railway contact net and manufactures device and technique |
| CN106671829A (en) * | 2016-11-11 | 2017-05-17 | 成都国佳电气工程有限公司 | Insulated combined-type support device for overhead lines |
| CN108945000A (en) * | 2018-08-02 | 2018-12-07 | 苏州铭冠软件科技有限公司 | A kind of railway bogie with EEF bogie |
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| GB821264A (en) * | 1956-12-05 | 1959-10-07 | British Insulated Callenders | Improvements in or relating to overhead electrification systems for railways |
| GB841090A (en) * | 1957-12-03 | 1960-07-13 | British Insulated Callenders | Improvements in or relating to overhead electrification systems for railways |
| DE4444387A1 (en) * | 1994-11-28 | 1996-05-30 | Aeg Bahnfahrwegsysteme Gmbh | Overhead contact wire for electric locomotive |
| JPH08324301A (en) * | 1995-05-30 | 1996-12-10 | West Japan Railway Co | Protector of catenary wire for hanger ear |
| CN2719642Y (en) * | 2004-04-20 | 2005-08-24 | 衡水宝力铁路电气化器材有限公司 | Carrier cable support fastener |
| WO2011151583A2 (en) * | 2010-06-01 | 2011-12-08 | Societe Nationale Des Chemins De Fer Francais Sncf | Catenary bracing |
| CN202753803U (en) * | 2012-05-09 | 2013-02-27 | 北京鼎昌复合材料有限责任公司 | Suspension device for insulated overhead contact line system |
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| GB2521602A (en) * | 2013-12-20 | 2015-07-01 | Francis & Lewis Internat Ltd | Overhead electrification line cantilever assembly |
| CN104890534A (en) * | 2015-05-06 | 2015-09-09 | 同济大学 | Supporting mechanism of negative positioning elastic damper for high-speed railway touching nets |
| CN104890534B (en) * | 2015-05-06 | 2017-03-01 | 同济大学 | A kind of applied to high-speed railway touching net antidirection finding elastic damper supporting mechanism |
| CN106183893A (en) * | 2016-08-11 | 2016-12-07 | 西安唯实输配电技术有限公司 | It is applied to the overall compound inslation bracket of railway contact net and manufactures device and technique |
| CN106183893B (en) * | 2016-08-11 | 2019-01-25 | 西安唯实输配电技术有限公司 | The manufacturing device and technique of whole compound inslation bracket applied to railway contact net |
| CN106671829A (en) * | 2016-11-11 | 2017-05-17 | 成都国佳电气工程有限公司 | Insulated combined-type support device for overhead lines |
| WO2018086602A1 (en) * | 2016-11-11 | 2018-05-17 | 成都国佳电气工程有限公司 | Insulated and composite overhead-contact-system supporting apparatus |
| CN108945000A (en) * | 2018-08-02 | 2018-12-07 | 苏州铭冠软件科技有限公司 | A kind of railway bogie with EEF bogie |
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| CN102785589B (en) | 2015-08-26 |
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Address after: 100162 Beijing City, Daxing District Xihongmen Fuxin Road No. 7 Applicant after: Beijing Dingchang Composite Material Co., Ltd. Applicant after: China Railway Electrification Survey Design & Research Institute Co., Ltd. Applicant after: CR13G ELECTRIC ENGINEERING CO., LTD. Address before: 100162 Beijing City, Daxing District Xihongmen Fuxin Road No. 7 Applicant before: Beijing Dingchang Composite Material Co., Ltd. Applicant before: China Railway Electrification Survey Design & Research Institute Co., Ltd. Applicant before: CR13G Electric Engineering Co., Ltd. |
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