CN109435781A - The contact net non-maintaining serrated slot entirety bracket girder device of SC - Google Patents
The contact net non-maintaining serrated slot entirety bracket girder device of SC Download PDFInfo
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- CN109435781A CN109435781A CN201811300838.7A CN201811300838A CN109435781A CN 109435781 A CN109435781 A CN 109435781A CN 201811300838 A CN201811300838 A CN 201811300838A CN 109435781 A CN109435781 A CN 109435781A
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- Prior art keywords
- arm
- banks
- rising
- maintaining
- skewed slot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The present invention relates to the contact net non-maintaining serrated slot entirety bracket girder device of SC, including arm and the skewed slot arm below of rising as high as the banks, arm of rising as high as the banks is with axially grooved tubular arm, and section is C-shaped；Downwards, skewed slot arm one end is connected to the axially grooved of arm of rising as high as the banks by connector between arm to arm of rising as high as the banks fluting, and is inserted into axially grooved phase by the anti-loose fastening device of falling T and fixes.Bracket pipe of the invention is open flume type, and sawtooth resistant slide is arranged in inside, and inside and outside wall preservative treatment is uniform, inside and outside no pressure difference, rod piece are all made of shape extrusion, connectionless components, connection between bracket, positioning pipe is a kind of form, and structure facilitation realizes non-maintaining, few maintenance.
Description
Technical field
The present invention relates to electrification railway contact net technical fields, and in particular to a kind of contact net non-maintaining serrated slot of SC
Whole bracket girder device.
Background technique
Cantilever structure is as the critical structures for supporting electrification railway contact net, and common type is triangle knot in engineering
Structure, flat, inclined cantilever and positioning pipe are isometrical thin-walled closure steel pipe, and connecting node passes through a variety of spiral shells using anchor ear type component
It tethers and connects.Connection uses bushing double eye between flat, inclined cantilever, and positioning pipe and bracket use positioning ring, use support tube between positioning pipe
Clamp etc., bolt specification M10 ~ M20.
Common bracket device is assembled by 10 kinds of components by a variety of different connecting nodes, and bolt specification is
M10, M12, M16 etc., composition components are many kinds of, cannot achieve non-maintaining, cause material, artificial significant wastage.
At enclosed type bracket pipe and insulator connecting interface, there is a water seepage hole, water fills in bracket pipe when rainy season, and winter draws
Send out frost heave, tube wall rupture (accident occurs in Zheng Xi high-speed rail Henan pipeline section).
The preservative treatment of common tubular type cantilever structure generally uses galvanizing by dipping, but in 3 meters or more of sealed tube
Inner wall can not carry out ball blast and preservative treatment, therefore have occurred in coastal area Hainan east ring railway, wide Shenzhen and Hong Kong railway tunnel
The corrosion of bracket inside pipe wall, rust wear phenomenon, have caused structure safety accident serious.
Bracket length of tube is 3 meters or so in contact net bracket device, if used in plateau High aititude section, sealed tube
Inside and outside differential pressure discontinuity can cause tube wall galvanized anticorrosive layer to remove.
Summary of the invention
The object of the present invention is to provide a kind of contact net non-maintaining serrated slot entirety bracket girder devices of SC, for supporting
Overhead contact line system is able to achieve between accessory without sliding connection, can replace plain edition bracket device completely, realizes the flat of contact net
Stability, and be embodied as electric locomotive and well continuously power.
The technical scheme adopted by the invention is as follows:
The contact net non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
Including arm and the skewed slot arm below of rising as high as the banks, arm of rising as high as the banks is with axially grooved tubular arm, and section is C-shaped；
Downwards, skewed slot arm one end is connected to the axially grooved of arm of rising as high as the banks by connector between arm to arm of rising as high as the banks fluting, and is prevented by falling T
Loose clamp device is inserted into axially grooved phase and fixes.
Rise as high as the banks arm axially grooved two sides have integrally formed horizontal wing plate, arm of rising as high as the banks it is axially grooved in be preset with down T
Anti-loose fastening device；
Connector is end plate between arm, and skewed slot arm one end is welded to end plate, and end plate covers the axially grooved of arm of rising as high as the banks, opens on end plate
The cooperation of the Kong Bingyu anti-loose fastening device of falling T is fixed, and realizes the connection of skewed slot arm with arm of rising as high as the banks.
Horizontal wing plate inner surface is provided with rolling sawtooth or welding tooth socket.
Connector includes end plate and with axially grooved square tube between arm；
Square tube forms T-slot on section, and square tube is axially grooved downward and the arm that is welded to and rises as high as the banks in parallel axially grooved interior；
Skewed slot arm one end is welded to end plate, and end plate covers the axially grooved of square tube, aperture and fills with the locking fastening of T on end plate
It sets cooperation to fix, realizes the connection of skewed slot arm with arm of rising as high as the banks.
The axially grooved inner wall of square tube is provided with rolling sawtooth or welding tooth socket.
Skewed slot arm has structure identical with arm of rising as high as the banks, and L-type is provided with below skewed slot arm and integrally positions barrel, L-type is whole
It is identical that mode and skewed slot arm of the positioning barrel both ends fixed to skewed slot arm are fixed to the mode of arm of rising as high as the banks.
Rise as high as the banks arm end below be provided with carrier cable hanger, carrier cable hanger is fixed to the mode and tiltedly for arm of rising as high as the banks
The mode that slot arm is fixed to arm of rising as high as the banks is identical.
It is enlarged footing at the top of the anti-loose fastening device of falling T, lower part is stud, stud exterior ring cap nut.
The invention has the following advantages that
The non-maintaining serrated slot entirety bracket truss structure of SC, bracket pipe are open flume type (flat, skewed slot arm), and tube wall is slotted inside both wings
Symmetrical zigzag is set, realizes part connection without sliding.
After the fluting of the bracket pipe lower part SC, inside and outside wall preservative treatment is very uniform, and such as sealed tube will not occur can not zinc-plated, coating.
The non-maintaining serrated slot entirety bracket truss structure of SC, flat, skewed slot arm is in highlands in use, it manages inside and outside atmosphere
Tube expansion and zinc layers glass phenomenon will not occur for pressure zero pressure difference.
The non-maintaining serrated slot entirety bracket truss structure of SC, rod piece and its connecting node are all made of shape extrusion, and material causes
Close property is strong, high reliablity, no heat treatment technique, zero emission and pollution.It is that rod piece is effective that rod piece amount of deflection, which can be controlled in 0.7%L(L,
Length).
The non-maintaining serrated slot entirety bracket truss structure of SC realizes structure entirety simplification, the node of rod piece combination only one
Kind, and having grade adjustment function, connecting component reduces 40% than common bracket device, and bolt fastener is only a kind of rule
Lattice reduce maintenance about 30%.
Detailed description of the invention
Fig. 1 is the structural front view of apparatus of the present invention.
Fig. 2 integrally positions 1 structure chart of barrel embodiment for rise as high as the banks arm, skewed slot arm, L-type.
Fig. 3 integrally positions 2 sectional view of barrel embodiment for rise as high as the banks arm, skewed slot arm, L-type.
In figure, 1- rises as high as the banks arm；2- skewed slot arm；Connector between 3- arm；4- carrier cable hanger；The 5- anti-loose fastening device of falling T；
6-L type integrally positions barrel.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
In railway construction, main truss of the contact net as railway electrification project takes the special shape of stream for electric locomotive
Transmission line of electricity, the support structure set up along the line is bracket support structure, mostly triangular structure.Consisting of flat, oblique wrist
Arm, positioning pipe, locator and each node connection components etc.,
Common cantilever structure is isometrical tubular type, and material is structural carbon steel, low-alloy steel or aluminum alloy series.Composition zero
Variety of components is various, and fastener type is more, cannot achieve ultimate non-maintaining.The preservative treatment of common tubular type cantilever structure
Galvanizing by dipping generally is used, but ball blast and preservative treatment can not be carried out in 3 meters or more of closing inside pipe wall, inside pipe wall easily becomes rusty
Erosion, rust are worn.
The present invention relates to the contact net non-maintaining serrated slot entirety bracket girder device of SC, all bracket pipes are fluting
Formula overcomes the deficiencies of existing technologies.Function is suspension carrier cable and contact line in high and cold, High aititude, corrosive medium environment, and
Motorcycle pantograph is steadily flowed.Structural reduction, it is integrated strong, and have and be freely rotated and non-maintaining, structural reduction
The characteristics of change.
Device specifically includes rise as high as the banks arm 1 and skewed slot arm 2 below, and arm 1 of rising as high as the banks is to cut with axially grooved tubular arm
Face is C-shaped.Arm 1 of rising as high as the banks is slotted downwards, and connector 3 is connected to the axially grooved of arm 1 of rising as high as the banks between 2 one end of skewed slot arm passes through arm, and
Axially grooved phase is inserted by the anti-loose fastening device of falling T 5 to fix, and is formed stable planar delta truss structure, can be passed through bearing
Formula rotary flat double-ear and pedestal are connected and fixed and catenary mast side.It wherein, is enlarged footing at the top of the anti-loose fastening device of falling T 5,
Lower part is stud, and stud exterior ring cap nut is installed in advance in slot arm, rotates 90 ° for T when rod piece connects, and reconnects and fixes.
Connector 3 includes two kinds of structure types between arm, and bracket is enabled to have two different section forms, referring to fig. 2 and is schemed
3:
In Fig. 2, the axially grooved two sides of arm 1 of rising as high as the banks have integrally formed horizontal wing plate, are preset in arm 1 of rising as high as the banks is axially grooved
The anti-loose fastening device of falling T 5；Connector 3 is end plate between arm, and 2 one end of skewed slot arm is welded to end plate, and end plate covers arm 1 of rising as high as the banks
Axially grooved, aperture on end plate (quantity is not less than 2) and cooperating with the anti-loose fastening device of falling T 5 is fixed, realize skewed slot arm 2 with
It rises as high as the banks the connection of arm 1.Horizontal wing plate inner surface is provided with rolling sawtooth or welding tooth socket, and main function is resistant slide.
In Fig. 3, connector 3 is including end plate and with axially grooved square tube between arm；Square tube forms T-slot on section,
Square tube is axially grooved downward and the arm 1 that is welded to and rises as high as the banks in parallel axially grooved interior；2 one end of skewed slot arm is welded to end plate, end plate
The axially grooved of square tube is covered, aperture on end plate (quantity is not less than 2) and cooperating with the anti-loose fastening device of falling T 5 is fixed, real
The connection of existing skewed slot arm 2 and arm 1 of rising as high as the banks.The axially grooved inner wall of square tube is provided with rolling sawtooth or welding tooth socket.Square tube and flat
Monolithic extruded, rolling also can be used in slot arm 1, the mode of compression molding constructs.
Skewed slot arm 2 has structure identical with arm 1 of rising as high as the banks, and is provided with L-type below skewed slot arm 2 and integrally positions barrel 6, L-type
It is identical that mode and skewed slot arm 2 of whole positioning 6 both ends of barrel fixed to skewed slot arm 2 are fixed to the mode of arm 1 of rising as high as the banks.
Rise as high as the banks arm 1 end below be provided with carrier cable hanger 4, carrier cable hanger 4 is fixed to the mode for arm 1 of rising as high as the banks
It is identical that the mode of arm 1 of rising as high as the banks is fixed to skewed slot arm 2.
The slot arm that the present apparatus is related to is steel material, composite material or aluminum alloy materials, and overall technology performance meets existing
The regulation of general technical specifications TB/T 2073, integral channel arm support device should be steady in maximum functional loading service condition flowering structure
Determine, without obvious bending deformation, flexible swinging；In the assembled state, general machine performance should meet horizontal at carrier cable hanger
When loading 4.0kN, vertical load 4.0kN, skewed slot arm and L-type integrally position barrel junction horizontal loading 4.5kN, the support of slot arm
Each section amount of deflection is not more than length of the 0.7%L(L between cantilever support device feature outermost fulcrum force in device), aluminium alloy
Each section amount of deflection is not more than 1%L in type groove arm support device；In 1.5 times of above-mentioned each loading, any portion in present apparatus structure
Position does not occur to be plastically deformed and slide.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (8)
1. the contact net non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
Skewed slot arm (2) including arm of rising as high as the banks (1) and below, arm of rising as high as the banks (1) are with axially grooved tubular arm, and section is in C
Shape；
Arm (1) fluting rise as high as the banks downwards, skewed slot arm (2) one end is opened by the axial direction that connector (3) between arm is connected to arm of rising as high as the banks (1)
Slot, and be inserted into axially grooved phase by the anti-loose fastening device of falling T (5) and fix.
2. the contact net according to claim 1 non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
Rise as high as the banks arm (1) axially grooved two sides have integrally formed horizontal wing plate, arm of rising as high as the banks (1) it is axially grooved in be preset with down
T anti-loose fastening device (5)；
Connector (3) is end plate between arm, and skewed slot arm (2) one end is welded to end plate, and the axial direction that end plate covers arm of rising as high as the banks (1) is opened
Slot, aperture and cooperating with the anti-loose fastening device of falling T (5) is fixed on end plate, realizes the connection of skewed slot arm (2) with arm (1) of rising as high as the banks.
3. the contact net according to claim 2 non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
Horizontal wing plate inner surface is provided with rolling sawtooth or welding tooth socket.
4. the contact net according to claim 1 non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
Connector (3) includes end plate and with axially grooved square tube between arm；
Square tube forms T-slot, axially grooved downward and the axially grooved of arm (1) that be welded to and rise as high as the banks in parallel of square tube on section
It is interior；
Skewed slot arm (2) one end is welded to end plate, and end plate covers the axially grooved of square tube, aperture and prevents with T elastic on end plate
It is fixedly mounted with and sets (5) cooperation fixation, realize the connection of skewed slot arm (2) with arm (1) of rising as high as the banks.
5. the contact net according to claim 4 non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
The axially grooved inner wall of square tube is provided with rolling sawtooth or welding tooth socket.
6. the non-maintaining serrated slot entirety bracket girder device of SC of the contact net according to claim 3 or 5, feature exist
In:
Skewed slot arm (2) has with arm of rising as high as the banks (1) identical structure, is provided with L-type below skewed slot arm (2) and integrally positions barrel (6),
L-type integrally positions the mode phase that mode of barrel (6) both ends fixed to skewed slot arm (2) is fixed to arm (1) of rising as high as the banks with skewed slot arm (2)
Together.
7. the non-maintaining serrated slot entirety bracket girder device of SC of the contact net according to claim 3 or 5, feature exist
In:
Rise as high as the banks arm (1) end below be provided with carrier cable hanger (4), carrier cable hanger (4) is fixed to and rises as high as the banks arm (1)
Mode is identical fixed to the mode of arm (1) of rising as high as the banks as skewed slot arm (2).
8. the contact net according to claim 1 non-maintaining serrated slot entirety bracket girder device of SC, it is characterised in that:
It is enlarged footing at the top of the anti-loose fastening device of falling T (5), lower part is stud, stud exterior ring cap nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300838.7A CN109435781B (en) | 2018-11-02 | 2018-11-02 | SC maintenance-free sawtooth groove integral cantilever truss device for contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300838.7A CN109435781B (en) | 2018-11-02 | 2018-11-02 | SC maintenance-free sawtooth groove integral cantilever truss device for contact net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109435781A true CN109435781A (en) | 2019-03-08 |
| CN109435781B CN109435781B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300838.7A Active CN109435781B (en) | 2018-11-02 | 2018-11-02 | SC maintenance-free sawtooth groove integral cantilever truss device for contact net |
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| CN (1) | CN109435781B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203318191U (en) * | 2013-07-12 | 2013-12-04 | 衡水宝力铁路电气化器材有限公司 | Vertical hanging device of rigid suspended contact net used in subway tunnel |
| CN204895174U (en) * | 2015-08-26 | 2015-12-23 | 徐公科 | Pre -buried fixing device of contact net |
| CN206615101U (en) * | 2017-04-01 | 2017-11-07 | 中铁第一勘察设计院集团有限公司 | A kind of electric railway wrist arm supporting device |
| 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 |
-
2018
- 2018-11-02 CN CN201811300838.7A patent/CN109435781B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203318191U (en) * | 2013-07-12 | 2013-12-04 | 衡水宝力铁路电气化器材有限公司 | Vertical hanging device of rigid suspended contact net used in subway tunnel |
| CN204895174U (en) * | 2015-08-26 | 2015-12-23 | 徐公科 | Pre -buried fixing device of contact net |
| 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 |
| CN206615101U (en) * | 2017-04-01 | 2017-11-07 | 中铁第一勘察设计院集团有限公司 | A kind of electric railway wrist arm supporting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109435781B (en) | 2023-09-15 |
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