CN206664335U - Carry hand formula expansion joint for smooth transition - Google Patents
Carry hand formula expansion joint for smooth transition Download PDFInfo
- Publication number
- CN206664335U CN206664335U CN201720459290.5U CN201720459290U CN206664335U CN 206664335 U CN206664335 U CN 206664335U CN 201720459290 U CN201720459290 U CN 201720459290U CN 206664335 U CN206664335 U CN 206664335U
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- Prior art keywords
- rail
- moving
- expansion joint
- smooth transition
- retaining rail
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Abstract
It the utility model is related to rail vehicle transportation technical field, more particularly to one kind carries hand formula expansion joint for smooth transition, moving rail including both sides and the retaining rail between two moving rails, fish platee and the copper soft ribbons that are fixedly connected respectively with moving rail with retaining rail located at moving rail with retaining rail both sides, it is contemplated that by being cut to conductor rail using staged, the method being flexible coupling using copper strips, not only eliminating collector shoe can drop the potential safety hazard in gap between expansion pipe, collector shoe is also improved by carrying current carrying quality during hand formula expansion joint for smooth transition, 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 one kind carries hand formula and seamlessly transits expansion and connects
Head.
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-carry hand
Formula smooth excessiveness expansion pipe, make its offset well from conductor rail because of temperature change and caused by stroke, with ensure connect
Rail-engaging and along the line support frame will not be damaged, and make the operation of train smooth, safety.
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 expansion connects
Head, counteracting metallic conductor expansion and contraction caused by because of temperature change, prevents metallic conductor can not be normal because of temperature change
It is flexible, cause the damage to conductor rail and support frame.
The utility model is to be achieved by the following technical programs：
Carry hand formula expansion joint for smooth transition, including the moving rail of both sides and the retaining rail between two moving rails, if
Fish platee and the copper soft ribbons that are fixedly connected respectively with moving rail with retaining rail in moving rail with retaining rail both sides, wherein,
The moving rail and retaining rail are equipped with the ladder platform shape termination being mutually matched, and the fish platee is fixed by middle part
Connector is fixedly connected with retaining rail, and the fish platee is fastenedly connected by both sides connector with moving rail, moving rail and fixation
Rail is set apart from certain interval between each other, and the moving rail is being provided with elongated hole, the fish platee top with fish platee junction
Highly less than moving rail and retaining rail upper surface；
The retaining rail bottom is fixed with cushion block, the copper soft ribbons both ends arcuation bending, and is moved respectively with two in end
Dynamic rail is fixedly connected, and the copper soft belt middle is fixedly connected with cushion block.
The both sides connector includes the stay bolt through both sides fish platee and elongated hole, be located on stay bolt fixed cover and
Fixed cover pad, for the fixed cover through elongated hole and between two fish platees, the fixed cover pad is located at fixed cover and fish
Between tailgate.
The Tightening moment of the both sides connector and two moving rails is less than the fastening force of middle part fixedly connected part and retaining rail
Square.
The fish platee and moving rail and the contact surface of retaining rail coating conductive paste.
The copper soft ribbons are to be stacked by certain thickness and tin plating copper sheet.
The retaining rail bottom is welded and fixed with cushion block.
The copper soft ribbons are fixedly connected with moving rail and cushion block by being fastenedly connected component.
The beneficial effects of the utility model are：
It is contemplated that by being cut to conductor rail using staged, the method being flexible coupling using copper strips, not only eliminate
Collector shoe can drop the potential safety hazard in gap between expansion pipe, also improve collector shoe and connect seamlessly transitting expansion by carrying hand formula
Current carrying quality during head, has reliable security and huge economic benefit.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is overlooking the structure diagram of the present utility model.
Fig. 3 is cross section structure schematic diagram at both sides connector of the present utility model.
Fig. 4 is dimensional structure diagram of the present utility model.
In figure：1. moving rail, 2. retaining rails, 3. both sides connectors, 4. fish platees, 5. cushion blocks, 6. middle part fixedly connected parts,
7. bronze medal soft ribbons, 8. are fastenedly connected component, 9. fixed cover pads, 10. fixed covers, 11. stay bolts.
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 includes the moving rail 1 of both sides and the retaining rail 2 between two moving rails, it is located at
The fish platee 4 of moving rail and retaining rail both sides and the copper soft ribbons 7 being fixedly connected respectively with moving rail with retaining rail, wherein,
The moving rail and retaining rail are equipped with the ladder platform of the ladder platform shape termination being mutually matched, moving rail and retaining rail
Shape termination can mutually coincide splicing in joint, and after splicing, moving rail-retaining rail-moving rail joint cooperates
Form continuous surface, moving rail and retaining rail to set apart from certain interval respectively along fish platee, gap can adjust and can
To overlap, make collector shoe it is smooth be transitioned into the other end from one end.
The ladder platform shape termination length of moving rail and retaining rail can determine according to concrete application situation, be particularly suitable for use in swollen
The larger situation of expanded joint head telescopic variation amount, now if termination length is smaller, the termination of moving rail and retaining rail is not enough to cover
The length range of whole expansion pipe is covered, causes bookstore's ghost surface at expansion pipe discontinuous, makes collector shoe from one end transition
Space occurs during to the other end；Therefore termination is arranged to ladder platform shape, is easy to extend the length of ladder platform, is applied to
The larger condition of expansion pipe telescopic variation amount.
The fish platee is fixedly connected by middle part fixedly connected part 6 with retaining rail, and the fish platee is connected by both sides
Part 3 is fastenedly connected with moving rail, and the moving rail is being provided with elongated hole with fish platee junction so that moving rail is when deforming
It can be slid along elongated hole, the fish platee upper height is less than moving rail and retaining rail upper surface so that fish platee collector shoe
Collector shoe is not influenceed to move along power supply track surface；
The fish platee of both sides is adapted with power rail both sides shape, ensures fix stably.
Preferably, the both sides connector includes the stay bolt 11 through both sides fish platee and elongated hole, is located on stay bolt
Fixed cover 10 and fixed cover pad 9, the fixed cover is through elongated hole and between two fish platees, the fixed cover pad position
Between fixed cover and fish platee, fixed cover and fixed cover pad on stay bolt both play a part of protecting bolt,
Sliding friction is produced with moving rail again, makes moving rail motion become to be more prone to, conductive contact rail can be offset in time because of heat expansion
Deflection caused by shrinkage.
The retaining rail bottom is fixed with cushion block 5, the copper soft ribbons both ends arcuation bending, and is moved respectively with two in end
Dynamic rail is fixedly connected, and the copper soft belt middle is fixedly connected with cushion block.
Copper soft ribbons have good pliability, when expansion pipe occurs flexible, meet to compensate using the deformation of itself
It is required that.
Preferably, the Tightening moment of both sides connector and two moving rails is less than the fastening of middle part fixedly connected part and retaining rail
Torque.
Preferably, fish platee and moving rail and the contact surface of retaining rail coating conductive paste, have good electric conductivity.
Copper soft ribbons in this example are to be stacked by certain thickness and tin plating copper sheet, have good pliability.
Preferably, the retaining rail bottom is welded and fixed with cushion block；
Preferably, the copper soft ribbons are fixedly connected with moving rail and cushion block by being fastenedly connected component 8；It is tight in this example
Connected connected components can use known bolt, nut, the structure of backing plate.
It is flexible coupling by copper strips and not only ensure that the reliability of electrical connection, any electrochemical corrosion will not be produced again.Its
Both ends are fixed on moving rail by being fastenedly connected component, and center section is fixed on fixed cushion block, allow current to enough connect
It is continuous constantly from movement, copper strips is flexible coupling, passes through on cushion block, retaining rail and moving rail.
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 (7)
1. carry hand formula expansion joint for smooth transition, it is characterised in that moving rail including both sides and between two moving rails
Retaining rail, fish platee and the copper soft ribbons that are fixedly connected respectively with moving rail with retaining rail located at moving rail with retaining rail both sides,
Wherein,
The moving rail and retaining rail are equipped with the ladder platform shape termination being mutually matched, and the fish platee is fixedly connected by middle part
Part is fixedly connected with retaining rail, and the fish platee is fastenedly connected by both sides connector with moving rail, moving rail and retaining rail phase
Set between mutually apart from certain interval, the moving rail is being provided with elongated hole, the fish platee upper height with fish platee junction
Less than moving rail and retaining rail upper surface；
The retaining rail bottom is fixed with cushion block, the copper soft ribbons both ends arcuation bending, and end respectively with two moving rails
It is fixedly connected, the copper soft belt middle is fixedly connected with cushion block.
2. according to claim 1 carry hand formula expansion joint for smooth transition, it is characterised in that the both sides connector includes
Through both sides fish platee and the stay bolt of elongated hole, the fixed cover and fixed cover pad of stay bolt are located on, the fixed cover runs through
Elongated hole and between two fish platees, the fixed cover pad is between fixed cover and fish platee.
3. carry hand formula expansion joint for smooth transition according to any one of claim 1 or 2, it is characterised in that described two
The Tightening moment of side connector and two moving rails is less than the Tightening moment of middle part fixedly connected part and retaining rail.
4. according to claim 3 carry hand formula expansion joint for smooth transition, it is characterised in that the fish platee and moving rail
And the contact surface coating conductive paste of retaining rail.
5. according to claim 4 carry hand formula expansion joint for smooth transition, it is characterised in that the copper soft ribbons are by certain
Thickness and tin plating copper sheet stacking.
6. according to claim 5 carry hand formula expansion joint for smooth transition, it is characterised in that the retaining rail bottom and pad
Block welding is fixed.
7. according to claim 6 carry hand formula expansion joint for smooth transition, it is characterised in that the copper soft ribbons and moving rail
And cushion block is fixedly connected by being fastenedly connected component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459290.5U CN206664335U (en) | 2017-04-27 | 2017-04-27 | Carry hand formula expansion joint for smooth transition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459290.5U CN206664335U (en) | 2017-04-27 | 2017-04-27 | Carry hand formula expansion joint for smooth transition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206664335U true CN206664335U (en) | 2017-11-24 |
Family
ID=60370281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720459290.5U Active CN206664335U (en) | 2017-04-27 | 2017-04-27 | Carry hand formula expansion joint for smooth transition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206664335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297960A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Joint device for conductor rail and conductor rail system with same |
-
2017
- 2017-04-27 CN CN201720459290.5U patent/CN206664335U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297960A (en) * | 2019-07-26 | 2021-02-02 | 比亚迪股份有限公司 | Joint device for conductor rail and conductor rail system with same |
| CN112297960B (en) * | 2019-07-26 | 2022-03-18 | 比亚迪股份有限公司 | Joint device for conductor rail and conductor rail system with same |
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