CN206877856U - Switch component and contact net - Google Patents

Switch component and contact net Download PDF

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Publication number
CN206877856U
CN206877856U CN201720570148.8U CN201720570148U CN206877856U CN 206877856 U CN206877856 U CN 206877856U CN 201720570148 U CN201720570148 U CN 201720570148U CN 206877856 U CN206877856 U CN 206877856U
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CN
China
Prior art keywords
power transmission
transmission shaft
switch
conductive
insulator
Prior art date
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Active
Application number
CN201720570148.8U
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Chinese (zh)
Inventor
呼枭
杜振军
张端阳
肖国栋
刘克程
马凤伟
史歌
刘明光
刘铁
李炜
杨维
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.)
China Shenhua Energy Co Ltd
Beijing Jiaotong University
Shenhua Zhunchi Railway Co Ltd
Original Assignee
China Shenhua Energy Co Ltd
Beijing Jiaotong University
Shenhua Zhunchi Railway Co Ltd
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Application filed by China Shenhua Energy Co Ltd, Beijing Jiaotong University, Shenhua Zhunchi Railway Co Ltd filed Critical China Shenhua Energy Co Ltd
Priority to CN201720570148.8U priority Critical patent/CN206877856U/en
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Publication of CN206877856U publication Critical patent/CN206877856U/en
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Abstract

It the utility model is related to electric elements field, disclose a kind of switch component and contact net, the switch component includes pivotal axis (1) and is radially fixed to the conductive switch (2) of the pivotal axis (1), wherein, the switch component also includes torque output mechanism (3) and gear drive, the torque output mechanism (3) is connected in the pivotal axis (1) by the gear drive, so as to drive the conductive switch (2) to be pivoted to different circuit link positions.Pass through above-mentioned technical proposal, gear drive can more precisely transmit moment of torsion, and it is not easy bite, ensure that the conductive switch on pivotal axis is pivoted with accurate angle, it is not in place to avoid the occurrence of disconnecting link opening and closing, and the rotation angle range of gear drive is unrestricted so that conductive switch can pivot in bigger angular range, realize more circuit link positions.

Description

Switch component and contact net
Technical field
Electric elements are the utility model is related to, in particular it relates to a kind of switch component and contact net.
Background technology
The electric locomotive of electric railway, including high ferro EMUs, its traction power is by the special confession above railroad track Electric line --- contact net provides.Contact net in the process of running, will be not only acted on insulator by high-tension electricity, will also be by Acted on to mechanical impact force caused by the pantograph of the high-speed motion of electric locomotive, condition of work is very harsh, and contact net Can't extension wire be set, it is necessary to periodically or non-periodically be overhauled to contact net.When contact net overhauls, operating personnel is in height Sky, traction substation misdelivery electricity such as occurs, it is possible to directly contribute upkeep operation personnel electric shock or falling from high altitude, threat to life Safety.
In order to realize the purpose of safety inspection, distribution can be adjusted to contact net supply line using disconnecting switch, Wherein the disconnecting link of disconnecting switch can be pivoted to up to multiple different circuit positions.Because disconnecting switch is set for outdoor circuit It is standby, and disconnecting link realizes that driving pivots using lever principle and by linkage, therefore easily by dust storm, rainwater, extreme The influence of the mal-conditions such as high/low temperature, disconnecting link is caused to occur the problems such as bite, tripping, disconnecting link opening and closing not in place when pivoting.
Utility model content
The purpose of this utility model is to provide a kind of disconnecting switch group that disconnecting link pivot bite, division can be avoided not in place Part.
To achieve these goals, the utility model provides a kind of switch component, including pivotal axis and radially solid Due to the conductive switch of the pivotal axis, wherein, the switch component also includes torque output mechanism and gear drive, The torque output mechanism is connected in the pivotal axis by the gear drive, so as to drive the conductive knife Brake lining is pivoted to different circuit link positions.
Preferably, the gear drive includes the first power transmission shaft, second driving shaft and the 3rd power transmission shaft, and described first The diameter parallel of power transmission shaft is in the axis of the 3rd power transmission shaft, and the second driving shaft is perpendicular to first power transmission shaft and The axis of three power transmission shafts, the coaxially connected first end in first power transmission shaft of the pivotal axis, the of the 3rd power transmission shaft The coaxially connected output shaft in torque output mechanism in one end, the second end of first power transmission shaft, the of the second driving shaft One end and the second end and the second end of the 3rd power transmission shaft is axially mounted on respectively bevel gear, first power transmission shaft Second end and the first end of the second driving shaft, the second end of the 3rd power transmission shaft and the second end of the second driving shaft Engaged and connected by the bevel gear respectively.
Preferably, the pivotal axis, first power transmission shaft and the 3rd power transmission shaft extend vertically, second transmission Axle is horizontal-extending.
Preferably, the conductive switch, the pivotal axis, first power transmission shaft, the second driving shaft respectively into Set over the ground and on the described 3rd transmission axial symmetry.
Preferably, the pivotal axis is insulated column, and the conductive switch is installed on the upper end of the insulated column, the insulation The lower end of post is connected to the first end of first power transmission shaft.
Preferably, the disconnecting switch includes support, and the insulated column may be pivotally mounted to the support.
Preferably, the switch component includes the insulator for being installed on the support, and the upper end of the insulator is set There is conductive part, the insulator is arranged at intervals with the insulated column, and the insulated column can be pivoted to cause the conductive disconnecting link Piece makes electrical contact with or disconnected with the conductive part and contacts.
Preferably, the insulator includes the first insulator and the second insulator being spaced, and the insulated column can Pivot as so that the conductive switch is optionally only electrically connected to the conductive part or described second exhausted of first insulator The conductive part of edge.
Preferably, the line of first insulator and the insulated column and second insulator and the insulated column Line is perpendicular to one another.
Preferably, the torque output mechanism includes the motor and reductor being encapsulated in metal shell, described electronic Machine is connected in the reductor, the coaxially connected first end in the 3rd power transmission shaft of output shaft of the reductor.
In addition, the utility model provides a kind of contact net, wherein, the contact net be provided with described in above scheme every From switch module, the switch component is installed in the supply line of the contact net.
Pass through above-mentioned technical proposal, gear drive can more precisely transmit moment of torsion, and be not easy bite, ensure Conductive switch on pivotal axis is pivoted with accurate angle, and it is not in place to avoid the occurrence of disconnecting link opening and closing, and gear drive Rotation angle range it is unrestricted so that conductive switch can pivot in bigger angular range, realize more electricity Road link position.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is the stereogram of switch component of the present utility model;
Fig. 2 is the front view of switch component of the present utility model;
Fig. 3 is the structural representation of the holder part of switch component of the present utility model;
Description of reference numerals
1 pivotal axis, 2 conductive switch
The power transmission shaft of 3 torque output mechanism 4 first
The power transmission shaft of 5 second driving shaft 6 the 3rd
The insulator of 7 support 8 first
9 second insulators
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
The utility model provides a kind of switch component, including pivotal axis 1 and is radially fixed to the pivotal axis 1 Conductive switch 2, wherein, the switch component also includes torque output mechanism 3 and gear drive, the torque output machine Structure 3 is connected in the pivotal axis 1 by the gear drive, so as to drive the conductive switch 2 to pivot To different circuit link positions.
As shown in figures 1 and 3, conductive switch 2 can extend radially outwardly from the upper end of pivotal axis 1, and can select The conductive part being connected to selecting property on other insulators, realize that circuit connection state is changed.Conductive switch 2 can be by brass system Into, and silver-plated process can be made (particularly at the position contacted with other conductive contacts) on surface, case hardness >= HV110, thickness of coating >=30 μm.
Pivotal axis 1 is driven to pivot by gear drive, because the size of gear, the number of teeth keep constant, gearratio Correspondingly keep constant, being delivered to the moment of torsion of pivotal axis 1 in transmittance process by torque output mechanism 3, caused deviation is very It is small, pivotal axis 1 can be caused to pivot in predetermined angular, the control to pivotal axis 1 is more accurate, avoids pivoting not in place Situation occurs.Further, since the anglec of rotation of gear member is substantially unrestricted so that the pivot angle range of pivotal axis 1 is bigger, Such as can be pivoted in 0-180 degree scope or bigger angular range, so that conductive switch 2 can be more Circuit link position between switch.
Specifically, the gear drive includes the first power transmission shaft 4, the power transmission shaft 6 of second driving shaft 5 and the 3rd, described The diameter parallel of first power transmission shaft 4 passes in the axis of the 3rd power transmission shaft 6, the second driving shaft 5 perpendicular to described first The axis of the power transmission shaft 6 of moving axis 4 and the 3rd, the coaxially connected first end in first power transmission shaft 4 of the pivotal axis 1, described The coaxially connected output shaft in torque output mechanism 3 of first end of three power transmission shafts 6, it is the second end of first power transmission shaft 4, described The first end of second driving shaft 5 and the second end and the second end of the 3rd power transmission shaft 6 is axially mounted on respectively bevel gear, Second end of first power transmission shaft 4 and the first end of the second driving shaft 5, the second end of the 3rd power transmission shaft 6 and institute Connection is engaged by the bevel gear respectively in the second end for stating second driving shaft 5.First power transmission shaft 4 and second driving shaft 5 can be with Angularly connect, and the power transmission shaft 6 of second driving shaft 5 and the 3rd can be connected in an angularly, so as in pivotal axis 1 with turning round In the case that square output mechanism 3 is apart from each other, the output of installation environment and pivotal axis and torque output mechanism 3 is especially constrained to When the bearing of trend of axle is at an angle of setting, the transmission for passing through the first power transmission shaft 4, the power transmission shaft 6 of second driving shaft 5 and the 3rd connects Connect, the moment of torsion that torque output mechanism 3 exports can be delivered to pivotal axis 1.
Especially, the pivotal axis 1, first power transmission shaft 4 and the 3rd power transmission shaft 6 extend vertically, and described second Power transmission shaft 5 is horizontal-extending.As depicted in figs. 1 and 2, torque output mechanism 3 is installed on the bottom position of electric pole, pivotal axis 1 and Conductive switch 2 is installed on the support 7 at the top of electric pole, and second driving shaft 5 can be installed on support 7 by bearing, 3rd power transmission shaft 6 can be installed on other fixed structures, such as electric pole by bearing part.Pass through the first power transmission shaft 4, second The power transmission shaft 6 of power transmission shaft 5 and the 3rd realizes the transmission of moment of torsion.Certainly, according to the difference of specific installation environment, can also set more More or less power transmission shafts, and be sequentially connected at an appropriate angle, to realize moment of torsion transmission.
Further, the conductive switch 2, the pivotal axis 1, first power transmission shaft 4, the second driving shaft 5 It is arranged in pairs respectively and symmetrical on the 3rd power transmission shaft 6.That is, by same torque output mechanism 3, can To control two conductive switch 2 synchronously to pivot simultaneously, so as to control the break-make of two sets of circuits, and paired pivotal axis 1 is symmetrical arranged on the 3rd power transmission shaft 6, so as to remain ultimate range between pivotal axis 1, avoids doing between conductive switch 2 Relate to or even produce creepage phenomenon.
Specifically, the pivotal axis 1 is insulated column, and the conductive switch 2 is installed on the upper end of the insulated column, described exhausted The lower end of edge post is connected to the first end of first power transmission shaft 4.Pivotal axis 1 is made up of insulating materials, avoids conductive switch 2 In electric current be delivered to other structures via pivotal axis 1 and cause to leak electricity.The electricity that the insulated column can be commonly used by porcelain knob, bakelite etc. Insulating sublayer material is made.The creep age distance of the insulated column is not less than 1600 ㎜.
In addition, the switch component includes support 7, the insulated column may be pivotally mounted to the support 7.It is described Insulated column can be installed on support 7 by bearing part, and support 7 can be generally formed into the frame structure around triangle, branch Frame 7 is used to support pivotal axis 1 and other insulators as described below etc., and support 7 can be used as an entirety (example with pivotal axis 1 Structure as shown in Figure 3) it is installed in electric pole or other support meanss, above-described first power transmission shaft 4, second driving shaft 5 and the 3rd power transmission shaft 6 installation and debugging then can be carried out according to the position of pivotal axis 1, and be ultimately connected to torque output mechanism 3。
In addition, the disconnecting switch includes being installed on the insulator of the support 7, the upper end of the insulator is provided with conduction Portion, the insulator are arranged at intervals with the insulated column, and the insulated column can be pivoted to cause the conductive switch 2 and institute State conductive part electrical contact or disconnect contact.The conductive part can be the structures such as conducting strip or conductive contact, and can connect In supply lines.The insulator can be the structure similar with the insulated column, and the conductive part of the insulator upper end can connect It is connected in circuit, and conductive switch 2 is also connected in circuit, so as to by the way that conductive switch optionally is connected into institute State conductive part and realize the connection of circuit.
Specifically, the insulator includes the first insulator 8 and the second insulator 9 being spaced, the insulated column energy Enough conductive parts pivoted to cause the conductive switch 2 to be optionally only electrically connected to first insulator 8 or described the The conductive part of two insulators 9.The distance of first insulator 8 and the second insulator 9 each with the insulated column can be not less than 700mm, avoid the insulator and the conductive hypotelorism of switch 2 and produce electric arc in the off state.First insulator 8 The conductive part of conductive part and the second insulator 9 can be connected to different supply lines so that conductive switch 2 is connected to The conductive part of the conductive part of one insulator 8 or the second insulator 9, so as to realize that circuit is run with different operations.
Further, the line of first insulator 8 and the insulated column and second insulator 9 and the insulation The line of post is perpendicular to one another.That is, conductive switch 2 is transformed into electrical connection from the position for being electrically connected to the first insulator 8 Need pivot to turn 90 degrees in the position of the second insulator 9, in addition, conductive switch 2 can also be pivoted to not with any insulator The sub-gate position of conductive part contact, the sub-gate position can be conductive switch 2 from pivot at first insulator 8 turn 90 degrees after position Put or conductive switch 2 from pivot at second insulator 9 turn 90 degrees after position, that is to say, that conductive switch 2 Being pivoted in the range of 180 degree, sub-gate position and one of insulator are located at two end points of the conductive range of pivot of switch 2, And another insulator is located at the midpoint of range of pivot.
In addition, the torque output mechanism 3 includes the motor and reductor being encapsulated in metal shell, the motor It is connected in the reductor, the coaxially connected first end in the 3rd power transmission shaft 6 of output shaft of the reductor.The deceleration Machine can play a part of reducing the transmission moment of torsion of rotating speed, and power source of the motor as torque output, its output shaft can not Restricted any rotation, so as to adjust the pivoting angle of conductive switch 2 to greatest extent.The metal shell Motor and reductor can be protected to be corroded from extraneous dust storm, rainwater etc..
In addition, the utility model additionally provides a kind of contact net, wherein, the contact net is provided with described in above scheme Switch component, the switch component are installed in the supply line of the contact net.The switch component can For being switched on or switched off the power supply buses of contact net, power supply or power-off are realized, especially, to adapt to duplicate supply bus circuit, The switch component can include paired conductive switch 2 and corresponding insulator, so as to which torque output mechanism can Synchronously to drive two conductive switch 2 to pivot, synchronously realize that circuit is connected and disconnected from, and for one of conductive Switch 2, an insulator can be additionally set, and the insulator may be electrically connected to test, supervisory circuit (needs interlock circuit Structural support) so that when power supply buses are off, the monitoring of the net-fault that achieves a butt joint circuit.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.

Claims (11)

1. a kind of switch component, including pivotal axis (1) and the conductive switch (2) for being radially fixed to the pivotal axis (1), Characterized in that, the switch component also includes torque output mechanism (3) and gear drive, the torque output mechanism (3) it is connected by the gear drive in the pivotal axis (1), so as to drive the conductive switch (2) It is pivoted to different circuit link positions.
2. switch component according to claim 1, it is characterised in that the gear drive includes the first transmission Axle (4), second driving shaft (5) and the 3rd power transmission shaft (6), the diameter parallel of first power transmission shaft (4) is in the described 3rd transmission The axis of axle (6), the second driving shaft (5) is perpendicular to first power transmission shaft (4) and the axis of the 3rd power transmission shaft (6), institute The coaxially connected first end in first power transmission shaft (4) of pivotal axis (1) is stated, the first end of the 3rd power transmission shaft (6) is coaxial It is connected to the output shaft of torque output mechanism (3), the second end of first power transmission shaft (4), the of the second driving shaft (5) One end and the second end and the second end of the 3rd power transmission shaft (6) are axially mounted on respectively bevel gear, first transmission Second end of axle (4) and the first end of the second driving shaft (5), the second end and described second of the 3rd power transmission shaft (6) Engaged and connected by the bevel gear respectively in second end of power transmission shaft (5).
3. switch component according to claim 2, it is characterised in that the pivotal axis (1), first power transmission shaft (4) extend vertically with the 3rd power transmission shaft (6), the second driving shaft (5) is horizontal-extending.
4. switch component according to claim 3, it is characterised in that the conductive switch (2), the pivotal axis (1), first power transmission shaft (4), the second driving shaft (5) are arranged in pairs and on the 3rd power transmission shaft respectively (6) it is symmetrical.
5. switch component according to claim 3, it is characterised in that the pivotal axis (1) is insulated column, described to lead Electric knife brake lining (2) is installed on the upper end of the insulated column, and the lower end of the insulated column is connected to the first of first power transmission shaft (4) End.
6. switch component according to claim 5, it is characterised in that the switch component includes support (7), The insulated column may be pivotally mounted to the support (7).
7. switch component according to claim 6, it is characterised in that the switch component includes being installed on institute The insulator of support (7) is stated, the upper end of the insulator is provided with conductive part, and the insulator is arranged at intervals with the insulated column, The insulated column can be pivoted as so that the conductive switch (2) is made electrical contact with the conductive part or disconnection contacts.
8. switch component according to claim 7, it is characterised in that the insulator includes first be spaced Insulator (8) and the second insulator (9), the insulated column can be pivoted to cause the conductive switch (2) optionally only It is electrically connected to the conductive part of first insulator (8) or the conductive part of second insulator (9).
9. switch component according to claim 8, it is characterised in that first insulator (8) and the insulation The line of post is perpendiculared to one another with the line of second insulator (9) and the insulated column.
10. according to the switch component described in any one in claim 3-9, it is characterised in that the torque output machine Structure (3) includes the motor and reductor being encapsulated in metal shell, and the electric-motor drive is connected to the reductor, described The coaxially connected first end in the 3rd power transmission shaft (6) of output shaft of reductor.
11. a kind of contact net, it is characterised in that the contact net is provided with the isolation described in any one in claim 1-10 Switch module, the switch component are installed in the supply line of the contact net.
CN201720570148.8U 2017-05-19 2017-05-19 Switch component and contact net Active CN206877856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720570148.8U CN206877856U (en) 2017-05-19 2017-05-19 Switch component and contact net

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720570148.8U CN206877856U (en) 2017-05-19 2017-05-19 Switch component and contact net

Publications (1)

Publication Number Publication Date
CN206877856U true CN206877856U (en) 2018-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720570148.8U Active CN206877856U (en) 2017-05-19 2017-05-19 Switch component and contact net

Country Status (1)

Country Link
CN (1) CN206877856U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107068439A (en) * 2017-05-19 2017-08-18 中国神华能源股份有限公司 Switch component and contact net

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107068439A (en) * 2017-05-19 2017-08-18 中国神华能源股份有限公司 Switch component and contact net
CN107068439B (en) * 2017-05-19 2020-05-19 中国神华能源股份有限公司 Isolator subassembly and contact net

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