CN207128665U - Oscillating rod type expansion pipe - Google Patents
Oscillating rod type expansion pipe Download PDFInfo
- Publication number
- CN207128665U CN207128665U CN201721167249.7U CN201721167249U CN207128665U CN 207128665 U CN207128665 U CN 207128665U CN 201721167249 U CN201721167249 U CN 201721167249U CN 207128665 U CN207128665 U CN 207128665U
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- China
- Prior art keywords
- rail
- fish platee
- expansion pipe
- copper bar
- moving rail
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Abstract
It the utility model is related to rail vehicle transportation technical field, a kind of more particularly to oscillating rod type expansion pipe, including end in identical corner cut and and corner cut at mutual split retaining rail and moving rail, it is individually fixed in the fish platee and conductive copper bar and the cover plate being fixed on the outside of fish platee and conductive copper bar of the web both sides of retaining rail and moving rail, the utility model is intended to by being cut to conductor rail using certain angle, the method of conductive carrier is used as using copper bar, not only eliminating collector shoe can drop the potential safety hazard in gap between expansion pipe, also improve current carrying quality of collector shoe when by bridge-type expansion pipe, with reliable security and huge economic benefit.
Description
Technical field
It the utility model is related to rail vehicle transportation technical field, more particularly to a kind of oscillating rod type expansion pipe.
Background technology
The advantages that track traffic is with its quick, punctual, large conveying quantity, low energy consumption and of low pollution, increasingly by the joyous of people
Meet.Conductor rail system is one of main power supply mode of rail vehicle transportation.Conductor rail system include insulator, claw, support frame,
The main portions such as metallic conductor, common electric connection board (fish platee), cable connection plate, end bends, central anchor section, expansion pipe
Part.It is wherein intersegmental electrically and the expansion pipe that mechanically connects is part particularly important in conductor rail system, Ye Shijie as anchor
The complex part of structure in rail-engaging system.
In conductor rail system, metallic conductor is the part of most main body.Expanded with heat and contract with cold it is known that any metal all has
Characteristic, similarly, the metallic conductor in conductor rail system is also in compliance with the characteristic.Metallic conductor can be caused due to temperature change
It is flexible.Its reason mainly has at following 2 points：1st, the change of ambient temperature, for example day alternates with night；2nd, electric current has fuel factor,
Electric current flows through heat caused by metallic conductor, causes the body temperature of metallic conductor to raise.In order to offset metallic conductor because of temperature
Degree changes and caused expansion and contraction, when installing conductor rail, can set expansion pipes in two central anchor internodes.If metal
Conductor can not normally be stretched because of temperature change, and the damage of conductor rail and support frame can be caused when situation is serious.Current expansion
Joint is to enclose circle with very thin tin plating copper sheet one to be entwined, and is fixed on supporting plate at the angular cut of dynamic rail and orbit determination.Electric current
By shunt from the side of rail to opposite side.It is not soft enough but shunt is very thick, it can cause expansion pipe can not normal work
Make, in addition by the structure under frequently stretching motion, the copper foil of shunt, which can be folded, be broken, etc. damages, and copper is thin
The sectional area very little of piece, the serious size that have impact on current-carrying capacity.Therefore, it is necessary to develop a kind of new expansion pipe-swing rod
Formula expansion pipe, make its offset well from conductor rail because of temperature change and caused by stroke, to ensure conductor rail and edge
Line support frame will not be damaged, and made train smooth, safely run.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided one kind can support
The metallic conductor that disappears produces expansion because of temperature change and shrinks, prevents metallic conductor from can not normally stretch and making because of temperature change
The oscillating rod type expansion pipe of paired conductor rail and support frame damage.
The utility model is to be achieved by the following technical programs：
Oscillating rod type expansion pipe, including end in identical corner cut and and corner cut at mutual split retaining rail and movement
Rail, it is individually fixed in fish platee and the conductive copper bar of the web both sides of retaining rail and moving rail and is fixed on fish platee and conductive copper
Cover plate on the outside of bar, wherein, the fish platee is anchored on retaining rail at one end, and the other end is anchored on moving rail, and moving rail can
Stretch and slide between the fish platee of both sides, the both ends of the conductive copper bar contact conduction with retaining rail and moving rail respectively.
Conductive copper bar hole clipping is provided with the middle part of the fish platee, conductive copper bar is stuck in conductive copper bar hole clipping, cover plate and conduction
Copper bar and between card have pressure spring.
Fish platee pad is fixed between the fish platee and conductive copper bar and the web of retaining rail or the web of moving rail.
Copper hemisphere, the conductive copper bar difference are fixed with by copper stud on the outside of the fish platee pad of the retaining rail side
It is provided with and the close-fitting hemisphere groove of copper hemisphere in copper half-sphere positions.
The fish platee both ends are connected with retaining rail, moving rail respectively by being fastenedly connected component, described to be fastenedly connected
Component includes fastening stud, the fixed cover of ring set fastening stud and the fixed cover packing ring of ring set fixed cover, and fastening stud is by fish tail
Plate and the web of retaining rail are fastenedly connected, and fish platee and cover plate are provided with spacing elongated hole at the fastening stud of moving rail one end.
The fish platee is contacting connecing for one end with retaining rail in the contact surface that one end is contacted with moving rail less than fish platee
Contacting surface, and Tightening moment of the fish platee at retaining rail is higher than Tightening moment of the fish platee at moving rail.
The fish platee pad is copper-aluminum composite board, and copper-aluminum composite board includes the aluminium sheet with moving rail side close to retaining rail
Layer and the copper plate layer close to conductive copper bar and fish platee side, the aluminum layer are welded to connect with copper plate layer.
Dustproof brush is fixed with the outside of the moving rail.
The moving rail and welding on the corner cut end face of the retaining rail and end welded plate.
The angle of the corner cut is 15 degree.
The beneficial effects of the utility model are：
The utility model is intended to, by cutting conductor rail using certain angle, the side of conductive carrier is used as using copper bar
Method, not only eliminating collector shoe can drop the potential safety hazard in gap between expansion pipe, also improve collector shoe swollen by bridge-type
Current carrying quality during expanded joint head, there is reliable security and huge economic benefit.
Brief description of the drawings
Fig. 1 is side structure schematic view of the present utility model.
Fig. 2 is vertical section structural representation in middle part of the present utility model.
Fig. 3 is overlooking the structure diagram of the present utility model.
In figure：1. retaining rail, 2. moving rails, 3. fish platees, 4. conductive copper bars, 5. pressure springs, 6. fish platee pads 7.
Copper stud, 8. bronze medal hemisphere, 9. are fastenedly connected component, 10. fastening studs, 11. fixed covers, 12. fixed cover packing rings, 13. spacing length
Hole, 14. webs, 15. dustproof brushs, 16. end welded plates, 17. cover plates.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings
The utility model is described in further detail with most preferred embodiment.
As illustrated, the utility model include end in identical corner cut and and corner cut at mutual split retaining rail 1 with
Moving rail 2, it is individually fixed in fish platee 3 and the conductive copper bar of the web both sides of retaining rail and moving rail and is fixed on fish platee
With the cover plate 17 on the outside of conductive copper bar, wherein, the fish platee is anchored on retaining rail at one end, and the other end is anchored on moving rail,
And moving rail can stretch sliding between the fish platee of both sides, the both ends of the conductive copper bar contact with retaining rail and moving rail respectively
It is conductive.
The angle that corner cut may be selected in actual use is 15 degree, retaining rail, moving rail is chamfer respectively so that it is formed
Wedge angle be 15 degree, and the two can adjust and can overlap in the gap of junction, so as to allow collector shoe smoothly from
One end is transitioned into the other end.
The fish platee both ends are connected with retaining rail, moving rail respectively by being fastenedly connected component 9, are fastenedly connected component
It can be bolt and nut component.
Fish platee is fixed in retaining rail by the bolt hole fitted bolt time, and is matched somebody with somebody in moving rail one end by fastening stud
Close spacing elongated hole to fix, and cause the end of moving rail that fastening stud can be driven to be slid along spacing elongated hole, thus can be achieved
To when track because of temperature change and caused by expansion or shrinkage change.
And it is the smooth sliding for ensureing moving rail, it is preferable that fish platee is less than in the contact surface that one end is contacted with moving rail
Fish platee is contacting the contact surface of one end with retaining rail, and Tightening moment of the fish platee at retaining rail is higher than fish platee in movement
Tightening moment at rail；
In addition, following form can also be taken by being fastenedly connected component, being fastenedly connected component includes fastening stud 10, and ring set is tight
Gu the fixed cover 11 of stud and the fixed cover packing ring 12 of ring set fixed cover, fastening stud are tight by fish platee and the web of retaining rail 14
It is solidly connected, fish platee and cover plate are provided with spacing elongated hole 13 at the fastening stud of moving rail one end；Fixed cover packing ring is embedded in abdomen
The tapping of plate, fixed cover gasket rings set fastening stud, may be such that when moving rail slides, fixed cover produces with fixed cover packing ring
Sliding friction, produce less force of sliding friction, the sliding of rail easy to remove.
Fish platee is in close contact with retaining rail, moving rail respectively, and coats conductive paste in its contact surface so that therebetween
With good electric conductivity.
Conductive copper bar hole clipping is provided with the middle part of the fish platee, conductive copper bar is stuck in conductive copper bar hole clipping, cover plate and conduction
Copper bar and between card have pressure spring 5.Between the fish platee and conductive copper bar and the web of retaining rail or the web of moving rail
It is fixed with fish platee pad 6.Copper hemisphere 8 is fixed with by copper stud 7 on the outside of the fish platee pad of the retaining rail side, it is described
Conductive copper bar is provided with and the close-fitting hemisphere groove of copper hemisphere in copper half-sphere positions respectively.
Pressure spring produces elastic force under the pressing of cover plate, conductive copper bar is tightly pushed against into conductor rail so that conductor rail
It is in close contact with conductive copper bar；Conductive copper bar is mutually fixed in retaining rail side with retaining rail, and by setting copper stud fixed copper
Contact area between the conductive copper bar of the structure increase both sides of hemisphere, thus can ensure electrical conduction, prevent gap conduction
Or electric arc, and conductive copper bar is in close contact in moving rail side under the spring effect that presses, it is full on the premise of electrical conduction is ensured
Sufficient moving rail can freely slide between the conductive copper bar of both sides.
Fish platee pad is preferably copper-aluminum composite board, effectively prevents electrochemical corrosion, and copper-aluminum composite board is included close to fixed
Rail welds with the aluminum layer of moving rail side and close to conductive copper bar and the copper plate layer of fish platee side, the aluminum layer with copper plate layer
Connect in succession.
Elastic deformation occurs under different Tightening moments for fish platee, and moving rail and its good contact simultaneously be free to transport
It is dynamic, conductive paste is scribbled in contact surface in addition, therefore there is good electric conductivity.Conductive copper bar pressure spring pressure under with
Fish platee pad is in close contact, and fish platee pad is in close contact respectively with moving rail and retaining rail again, and moving rail and and fish
The good contact of tailgate pad simultaneously be free to slide, and thus can allow current to enough continuously along moving rail, fish platee
Pad, conductive copper bar, fish platee pad, the path of retaining rail are transmitted.
Preferably, it is fixed with dustproof brush 15 on the outside of the moving rail.
Preferably, the moving rail and welding on the corner cut end face of the retaining rail and end welded plate 16.
Oscillating rod type expansion pipe in this example, conducting medium uses copper, and contact area is big, therefore current-carrying capacity can reach one
Individual higher level.Simple in construction, reliable, cost of manufacture is relatively low, and parts are easily changed, convenient detection and maintenance.Pendulum
Rod-type expansion pipe also has the function of self-lubricating, and with respect to the expansion pipe of other structures, the model expansion pipe more can be fine
Perception because expanding and shrinking caused by temperature change, and it is offset.The expansion pipe of the other model is in dynamic rail one
There is dust-proof and clearing apparatus side, is advantageous to dust, rubbish etc. and enters inside expansion pipe, it is produced failure.Oscillating rod type expands
Joint can not only meet the requirement of existing electric railway, also with good stability, security.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. oscillating rod type expansion pipe, it is characterised in that including end in identical corner cut and and corner cut at mutual split fixation
Rail and moving rail, it is individually fixed in fish platee and the conductive copper bar of the web both sides of retaining rail and moving rail and is fixed on fish platee
With the cover plate on the outside of conductive copper bar, wherein, the fish platee is anchored on retaining rail at one end, and the other end is anchored on moving rail, and
Moving rail can stretch sliding between the fish platee of both sides, and the both ends of the conductive copper bar contact with retaining rail and moving rail respectively leads
Electricity.
2. oscillating rod type expansion pipe according to claim 1, it is characterised in that be provided with conductive copper bar in the middle part of the fish platee
Hole clipping, conductive copper bar are stuck in conductive copper bar hole clipping, cover plate and conductive copper bar and between card have pressure spring.
3. the oscillating rod type expansion pipe according to any one of claim 1 or 2, it is characterised in that the fish platee and lead
Fish platee pad is fixed between the web of the web or moving rail of electrolytic copper bar and retaining rail.
4. oscillating rod type expansion pipe according to claim 3, it is characterised in that the fish platee pad of the retaining rail side
Outside is fixed with copper hemisphere by copper stud, and the conductive copper bar is provided with close-fitting with copper hemisphere in copper half-sphere positions respectively
Hemisphere groove.
5. oscillating rod type expansion pipe according to claim 4, it is characterised in that the fish platee both ends pass through the company of fastening
Connected components are connected with retaining rail, moving rail respectively, and the component that is fastenedly connected includes fastening stud, the fixation of ring set fastening stud
The web of fish platee and retaining rail is fastenedly connected by the fixed cover packing ring of set and ring set fixed cover, fastening stud, fish platee and lid
Plate is provided with spacing elongated hole at the fastening stud of moving rail one end.
6. oscillating rod type expansion pipe according to claim 5, it is characterised in that the fish platee is contacting one with moving rail
The contact surface at end is contacting the contact surface of one end with retaining rail less than fish platee, and Tightening moment of the fish platee at retaining rail is high
In Tightening moment of the fish platee at moving rail.
7. oscillating rod type expansion pipe according to claim 6, it is characterised in that the fish platee pad is Copper-Aluminum compound
Plate, copper-aluminum composite board are included close to the aluminum layer of retaining rail with moving rail side and close to conductive copper bar and the copper of fish platee side
Flaggy, the aluminum layer are welded to connect with copper plate layer.
8. oscillating rod type expansion pipe according to claim 7, it is characterised in that be fixed with the outside of the moving rail dust-proof
Brush.
9. oscillating rod type expansion pipe according to claim 8, it is characterised in that the moving rail is cut with the retaining rail
Welding and end welded plate on the end face of angle.
10. oscillating rod type expansion pipe according to claim 9, it is characterised in that the angle of the corner cut is 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167249.7U CN207128665U (en) | 2017-09-12 | 2017-09-12 | Oscillating rod type expansion pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167249.7U CN207128665U (en) | 2017-09-12 | 2017-09-12 | Oscillating rod type expansion pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207128665U true CN207128665U (en) | 2018-03-23 |
Family
ID=61638383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721167249.7U Active CN207128665U (en) | 2017-09-12 | 2017-09-12 | Oscillating rod type expansion pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207128665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484252A (en) * | 2017-09-12 | 2019-03-19 | 天津益昌电气设备股份有限公司 | Oscillating rod type expansion pipe |
-
2017
- 2017-09-12 CN CN201721167249.7U patent/CN207128665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484252A (en) * | 2017-09-12 | 2019-03-19 | 天津益昌电气设备股份有限公司 | Oscillating rod type expansion pipe |
| CN109484252B (en) * | 2017-09-12 | 2024-02-27 | 天津益昌电气设备股份有限公司 | Swinging rod type expansion joint |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |