CN109693582A - Expansion pipe - Google Patents
Expansion pipe Download PDFInfo
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- CN109693582A CN109693582A CN201710985462.7A CN201710985462A CN109693582A CN 109693582 A CN109693582 A CN 109693582A CN 201710985462 A CN201710985462 A CN 201710985462A CN 109693582 A CN109693582 A CN 109693582A
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- China
- Prior art keywords
- sliding rail
- connector
- clamping plate
- expansion pipe
- right sliding
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Classifications
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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
- B60M1/30—Power rails
- B60M1/305—Joints
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of expansion pipes, expansion pipe includes left sliding rail, right sliding rail, first clamping plate, second clamping plate, connector, the first current connector, the second current connector, insulating supporting, left sliding rail and right sliding rail are relatively slidably, opposite before and after first clamping plate and second clamping plate and clamp left sliding rail and right sliding rail；Connector is connected with left sliding rail and right sliding rail respectively, and connector is opposite with first clamping plate and second clamping plate connects fixedly；First current connector is connected and conducts with left sliding rail and connector respectively；Second current connector is connected and conducts with right sliding rail and connector respectively；Insulating supporting is connected with connector is used to support connector.Expansion pipe according to an embodiment of the present invention, provided with the insulating supporting being connected with connector, to improve the structural strength and stability of entire expansion structure.
Description
Technical field
The present invention relates to railcar train technical field, in particular to a kind of expansion pipe.
Background technique
The expansion pipe of the relevant technologies is installed using three-stage conductor rail, is connected as one by aluminium alloy clamping plate mechanical anchor
Body, current connector material selection fine copper plate is silver-plated to be used for electrical current-carrying, and bindiny mechanism is soft copper band mechanical connection.Itself and electric current
The connected current-carrying copper sheet of connector is rigid structure body, if being installed on side contacts curved section, due to the bullet of conductor rail
It is stuck so as to cause expansion pipe that the anchoring clamping plate of property deformation expansion connector can be adjacent to left and right sliding rail, therefore it is not suitable for side contacts
By the installation of flow curve section；In addition, this expansion pipe is installed between two insulated legs, no bracket support, therefore because of its own weight
It measures the internal force that sagging and curve circuit segments contact rail generates and is unfavorable for expansion pipe leveling.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of expansion pipe, structural strength and stability height.
Expansion pipe according to an embodiment of the present invention, the expansion pipe include left sliding rail, right sliding rail, first clamping plate,
Second splint, connector, the first current connector, the second current connector, insulating supporting, the left sliding rail and the right sliding rail phase
It is opposite before and after the first clamping plate and the second clamping plate and clamp the left sliding rail and right sliding rail to slidably；The connection
Body is connected with the left sliding rail and the right sliding rail respectively, and the connector and the first clamping plate and the second clamping plate phase
To being permanently connected；First current connector is connected and conducts with the left sliding rail and the connector respectively；It is described
Second current connector is connected and conducts with the right sliding rail and the connector respectively；The insulating supporting and the connection
Body, which is connected, is used to support the connector.
Expansion pipe according to an embodiment of the present invention, provided with the insulating supporting being connected with connector, to improve whole
The structural strength and stability of a expansion structure.
In addition, expansion pipe according to the above embodiment of the present invention, can also have the following additional technical features:
In one embodiment of the invention, the insulating supporting is connected by screw in the bottom surface of the connector.
In one embodiment of the invention, the front and rear sides of the left sliding rail and the front and rear sides of the right sliding rail are equal
Equipped with waist type chamber, the first clamping plate and the second clamping plate, which are equipped with, is inserted into intracavitary convex of the corresponding waist type
Portion.
In one embodiment of the invention, the first clamping plate and the second clamping plate include: plate portion, the plate portion
Surface on two ends be equipped with the protrusion.
In one embodiment of the invention, the first clamping plate and the second clamping plate pass through wire cutting by fish platee
It is process.
In one embodiment of the invention, the left sliding rail and the first clamping plate and the second clamping plate are by bolt lock
Firmly, and the left sliding rail is movable relative to the first clamping plate and the second clamping plate or so；And/or the right sliding rail and institute
It states first clamping plate and the second clamping plate is lockked by bolt, and the right sliding rail is relative to the first clamping plate and second folder
Plate or so is movable.
In one embodiment of the invention, the first clamping plate and the second clamping plate are respectively with the connector by spiral shell
Bolt fastening or welding.
In one embodiment of the invention, the surface of the connector is equipped with dovetail rail, and the left sliding rail is equipped with the
One dovetail groove, the right sliding rail are equipped with the second dovetail groove, first dovetail groove and the described dovetail of second dovetail groove
Rail cooperation.
In one embodiment of the invention, the surface on the connector positioned at dovetail rail two sides is in far from institute
Acclivitous wedge shape on the direction of dovetail rail is stated, the surface that first dovetail groove two sides are located on the left sliding rail is in and institute
The wedge shape of connector adaptation is stated, the surface that second dovetail groove two sides are located on the right sliding rail is in be adapted to the connector
Wedge shape.
In one embodiment of the invention, the left sliding rail and the right sliding rail are process by conductor rail.
In one embodiment of the invention, it is equipped on the left sliding rail and the right sliding rail for connecting first clamping plate
With the long lumbar hole of second clamping plate.
In one embodiment of the invention, support sleeve, the first clamping plate and described second are equipped in the long lumbar hole
Clamping plate compresses the both ends of the support sleeve respectively.
In one embodiment of the invention, the length of the long lumbar hole is not less than 95 millimeters, and the left sliding rail and institute
The expansion adjustment amount of right sliding rail is stated not less than 150 millimeters.
In one embodiment of the invention, the left sliding rail and the opposite end face of the right sliding rail be cut into it is another
The angle of the normal of end face is not more than 15 ° of inclined-plane.
In one embodiment of the invention, the left sliding rail and the right sliding rail are centrosymmetric and are arranged in the connection
The left and right sides of body.
In one embodiment of the invention, each faying face of the connector and the left sliding rail and the right sliding rail,
Each faying face and the second clamping plate and the left sliding rail and right cunning of the first clamping plate and the left sliding rail and right sliding rail
Each faying face of rail is coated with conductive grease.
In one embodiment of the invention, the connector is aluminium alloy extruded molding.
In one embodiment of the invention, first current connector be connected to the bottom surface of the connector with it is described
The bottom surface of left sliding rail, the second current connector are connected to the bottom surface of the connector and the bottom surface of the right sliding rail.
In one embodiment of the invention, first current connector and second current connector are by thickness
T2 copper foil within the scope of 0.08 millimeter to 1 millimeter crimps, and first current connector and second electric current connect
The width for connecing device is not more than 12 millimeters not less than 100 millimeters, thickness and current-carrying capacity is not less than 2200A.
In one embodiment of the invention, it is multiple that short copper aluminium is equipped between first current connector and the connector
It is equipped with long copper-aluminum composite board between plywood and the left sliding rail, is equipped between second current connector and the connector
Long copper-aluminum composite board is equipped between short copper-aluminum composite board and the right sliding rail, the short copper-aluminum composite board and the long copper aluminium are multiple
It is aluminium layer and another side is layers of copper that plywood, which is one side, and the layers of copper contacts the first current sensor or second electric current biography
Sensor.
In one embodiment of the invention, the width of the long copper-aluminum composite board is not less than not less than 100 millimeters, length
160 millimeters, the width of the short copper-aluminum composite board is not less than 85 millimeters not less than 100 millimeters, length.
In one embodiment of the invention, the bottom surface of first current connector and the connector with it is described
The bottom surface of left sliding rail is bolted, the bottom of the bottom surface and the right sliding rail of second current connector and the connector
Face is bolted, between first electric connector and corresponding screw head, second electric connector and corresponding screw
Stainless steel platen is equipped between head.
In one embodiment of the invention, first current connector and the second current connector are all made of soft copper circle
Structure.
In one embodiment of the invention, first current connector and the second current connector are existed by thickness
T2 copper foil within the scope of 0.08 millimeter to 0.1 millimeter is entwined.
In one embodiment of the invention, the front side wall of first current connector and rear wall and described
Stainless steel plate of the front side wall and rear wall of second current connector by the aluminium sheet for being located inside and positioned at outside clamps, described
The bottom surface of connector and the bottom surface of the left sliding rail are respectively equipped with the aluminium sheet with the front side wall of first connector and rear wall
The bottom surface of corresponding aluminium block, the bottom surface of the connector and the right sliding rail is respectively equipped with the front side wall with first connector
Aluminium block corresponding with the aluminium sheet of rear wall, corresponding aluminium block, aluminium sheet and stainless steel plate are bolted.
Detailed description of the invention
Fig. 1 is the schematic diagram of the expansion pipe of one embodiment of the invention.
Fig. 2 is the schematic diagram of the expansion pipe of one embodiment of the invention in the other directions.
Fig. 3 is the schematic diagram of connector in Fig. 1.
Fig. 4 is the schematic diagram of first clamping plate in Fig. 1.
Fig. 5 is the schematic diagram of left sliding rail in Fig. 1.
Fig. 6 be left sliding rail in Fig. 1, first clamping plate, second clamping plate cooperation schematic diagram.
Fig. 7 is the schematic diagram of left sliding rail and connector cooperation in Fig. 1.
Fig. 8 is the schematic diagram of right sliding rail and connector cooperation in Fig. 1.
Fig. 9 is the schematic diagram of another exemplary expansion pipe of the invention.
Appended drawing reference: expansion pipe 100, left sliding rail 11, right sliding rail 12, first clamping plate 21, second clamping plate 22, connector 3,
First current connector 41, the second current connector 42, insulating supporting 5, waist type chamber 101, protrusion 201, plate portion 202, dovetail
Rail 301, the first dovetail groove 1021, the second dovetail groove 1022, support sleeve 104, aluminium block 401, stainless steel plate 402, aluminium sheet 403.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Expansion pipe 100 according to an embodiment of the present invention combined with Figure 1 and Figure 2, expansion pipe 100 include left sliding rail 11, the right side
Sliding rail 12, first clamping plate 21, second clamping plate 22, connector 3, the first current connector 41, the second current connector 42, insulation branch
Support 5.
Relatively slidably, first clamping plate 21 and the front and back of second clamping plate 22 are opposite and clamp left cunning for left sliding rail 11 and right sliding rail 12
Rail 11 and right sliding rail 12.Connector 3 is connected with left sliding rail 11 and right sliding rail 12 respectively, and connector 3 and first clamping plate 21 and the
Second splint 22 connects relatively fixedly.First current connector 41 is connected and conducts with left sliding rail 11 and connector 3 respectively.The
Two current connectors 42 are connected and conduct with right sliding rail 12 and connector 3 respectively.Insulating supporting 5 is connected with connector 3 to be used for
Support connector 3.
Expansion pipe 100 according to an embodiment of the present invention, provided with the insulating supporting 5 being connected with connector 3, to improve
The structural strength and stability of entire expansion structure.
In one embodiment of the invention, insulating supporting 5 is connected by screw in the bottom surface of connector 3.
Wherein, first clamping plate 21 and second clamping plate 22 can be fastened on connector 3 by three screws respectively, left sliding rail
11, right sliding rail 12 is in a center of symmetry is arranged in 3 two sides of connector, first clamping plate 21 and second clamping plate 22 hold left sliding rail 11,
Right sliding rail 12, and by two groups of bolt fastenings, the first current connector 41, the second current connector 42 can pass through two respectively
Screw, which is connected to 3 bottom surface of connector and sliding rail (left sliding rail 11, right sliding rail 12) bottom surface, insulating supporting 5, can pass through four spiral shells
Nail is connected to 3 bottom surface of connector.
In conjunction with Fig. 5 and Fig. 6, in one embodiment of the invention, the front and rear sides of left sliding rail 11 and right sliding rail 12
Front and rear sides are equipped with waist type chamber 101, and first clamping plate 21 and second clamping plate 22, which are equipped with, is inserted into corresponding waist type chamber 101
Interior protrusion 201.To improve the stability of clamping plate and sliding rail cooperation.
Further, such as Fig. 4, first clamping plate 21 and second clamping plate 22 include: plate portion 202, on the surface in plate portion 202
Two ends are equipped with protrusion 201.
Advantageously, first clamping plate 21 and second clamping plate 22 are formed by fish platee by linear cutter.
Preferably, such as Fig. 6, left sliding rail 11 is lockked with first clamping plate 21 and second clamping plate 22 by bolt, and 11 phase of left sliding rail
It is movable for first clamping plate 21 and second clamping plate 22 or so；And/or right sliding rail 12 and first clamping plate 21 and second clamping plate 22 by
Bolt locks, and right sliding rail 12 is movable relative to first clamping plate 21 and second clamping plate 22 or so.
Clamping plate (first clamping plate 21 and second clamping plate 22) by the common fish platee of connection conductor rail by linear cutter and
At clamping plate is fastened on connector 3 by the through-hole that wherein screw passes through on clamping plate, and bolt fastens phase by the counter sink on clamping plate
Pair two clamping plates (first clamping plate 21 and second clamping plate 22)；Wedge-shaped rib (protrusion 201) on clamping plate is used for and sliding rail (left sliding rail
11, right sliding rail 12) web of the rail cooperation only retain it along longitudinal (X to) sliding of sliding rail to limit 5 freedom degrees of sliding rail
Freedom degree.
In one embodiment of the invention, first clamping plate 21 and second clamping plate 22 are respectively with connector 3 by bolt fastening
Or welding.
In conjunction with Fig. 3, Fig. 7 and Fig. 8, in one embodiment of the invention, the surface of connector 3 is equipped with dovetail rail 301, left
Sliding rail 11 is equipped with the first dovetail groove 1021, and right sliding rail 12 is equipped with the second dovetail groove 1022, the first dovetail groove 1021 and second
The cooperation of the equal dovetail rail 301 of dovetail groove 1022.
Wherein dovetail rail 301 extends in left-right direction, and on the section perpendicular to left and right directions, and dovetail rail 301 is in certainly
By the shape that end size is big and fixing end size is small, shape and the dovetail rail of dovetail groove (the first dovetail groove and the second dovetail groove)
Shape adaptation.
Dovetail groove is wherein designed in the upper and lower surfaces of connector 3 for cooperating left sliding rail and right sliding rail.It can also
Dovetail rail to be arranged on the upper surface of connector 3 (or lower surface), and cooperate with the dovetail groove on left sliding rail and right sliding rail.
Dovetail rail 301 and dovetail groove cooperate, to limit 5 freedom degrees of the sliding rail by stream interface, only retain it along sliding rail
The freedom degree of longitudinal (X to) sliding, to guarantee that extreme obtains stable support, height of the left and right two by stream interface 101
It is consistent for a long time, so as to make the smooth shock-free expansion joint by expansion pipe 100 of collector shoe；
In conjunction with Fig. 7 and Fig. 8, in one embodiment of the invention, the surface of 301 two sides of dovetail rail is located on connector 3
In the acclivitous wedge shape on the direction far from dovetail rail 301, the table of 1021 two sides of the first dovetail groove is located on left sliding rail 11
Face is in the wedge shape being adapted to connector 3, and the surface that 1022 two sides of the second dovetail groove are located on right sliding rail 12 is in be adapted to connector 3
Wedge shape.
Wedge groove cooperation at lozenges and the sliding rail web of the rail on connector 3, the screw thread of 3 side of connector (front and back sides)
Hole is used for connecting cleat (first clamping plate 21 and second clamping plate 22).3 bottom surface lateral threaded holes of connector are for connecting insulating supporting
5.3 bottom surface longitudinal threaded bore of connector is used for current connector (the first current connector 41 and the second current connector 42).
In one embodiment of the invention, left sliding rail 11 and right sliding rail 12 are process by conductor rail.
Further, it referring to Fig. 6, is equipped on left sliding rail 11 and right sliding rail 12 for connecting first clamping plate 21 and the second folder
The long lumbar hole of plate 22.
As Fig. 6 is advantageously equipped with support sleeve 104, first clamping plate 21 and second clamping plate 22 compress support respectively in long lumbar hole
The both ends of set 104.
Support sleeve 104 be stainless steel support sleeve 104 be used to support first clamping plate 21 and second clamping plate 22, with guarantee sliding rail and
There are necessary gaps between clamping plate smoothly slides on clamping plate to be conducive to sliding rail, and length is according between sliding rail and clamping plate
Required gap determines.
Preferably, the length of long lumbar hole is not less than 95 millimeters, and the expansion adjustment amount of left sliding rail 11 and right sliding rail 12 is not small
In 150 millimeters.
Further, referring to Fig.1, Fig. 2 and Fig. 5, left sliding rail 11 and the opposite end face of right sliding rail 12 be cut into separately
The angle of the normal of one end face is not more than 15 ° of inclined-plane.For example, in figure, the right side of left sliding rail 11, right sliding rail 12 left side
It is cut into inclined-plane.
Advantageously, referring to Figures 1 and 2, left sliding rail 11 and right sliding rail 12, which are centrosymmetric, is arranged in the left and right two of connector 3
Side.
Sliding rail (left sliding rail 11, right sliding rail 12) is passed through by common conductive rail to be machined into, dovetail groove and connection thereon
Dovetail rail 301 on body 3 matches, and the length of long lumbar hole is not less than 95mm, to guarantee that the adjustment amount of expansion pipe 100 is not less than
150mm, sliding rail bottom surface threaded hole is for connecting current connector.One end of sliding rail is cut into an inclined-plane, and inclined-plane is another with sliding rail
Acute angle folded by the normal of end face is not more than 15 °, and the inclined-plane cut out can make collector shoe in the gap of the two sections of sliding rails in left and right
Smooth passes through.
In one embodiment of the invention, connector 3 and left sliding rail 11 and each faying face of right sliding rail 12, first clamping plate
21 with each faying face and second clamping plate 22 of left sliding rail 11 and right sliding rail 12 and each faying face of left sliding rail 11 and right sliding rail 12
It is coated with conductive grease.
It is coated with conductive grease between each faying face of each faying face and clamping plate and sliding rail of connector 3 and sliding rail,
On the one hand increase the electric conductivity between faying face, lubricating action is on the other hand played, to allow sliding rail more smoothly in cunning
It is slided between rail clamping plate.
In one embodiment of the invention, connector 3 is aluminium alloy extruded molding.
Further, connector 3 is 6063 (T6) aluminium alloy extruded moldings.
Such as Fig. 1 and Fig. 2, in one embodiment of the invention, the first current connector 41 is connected to the bottom surface of connector 3
With the bottom surface of left sliding rail 11, the second current connector 42 is connected to the bottom surface of connector 3 and the bottom surface of right sliding rail 12.
Further, the first current connector 41 and the second current connector 42 are by thickness at 0.08 millimeter to 1 millimeter
T2 copper foil in range crimps, and the width of the first current connector 41 and the second current connector 42 is not less than 100 millis
Rice, thickness are no more than 12 millimeters and current-carrying capacity is not less than 2200A.
Advantageously, it is equipped between the first current connector 41 and connector 3 and is set between short copper-aluminum composite board and left sliding rail 11
There is long copper-aluminum composite board, is equipped between the second current connector 42 and connector 3 and is set between short copper-aluminum composite board and right sliding rail 12
There is a long copper-aluminum composite board, it is aluminium layer and another side is layers of copper that short copper-aluminum composite board and long copper-aluminum composite board, which are one side, and layers of copper
Contact the first current sensor or the second current sensor.
Preferably, the width of long copper-aluminum composite board is not less than 160 millimeters not less than 100 millimeters, length, short copper-aluminum composite board
Width not less than 100 millimeters, length be not less than 85 millimeters.
Further, the first current connector 41 is bolted with the bottom surface of connector 3 and the bottom surface of left sliding rail 11, and second
Current connector 42 is bolted with the bottom surface of connector 3 and the bottom surface of right sliding rail 12, the first electric connector and corresponding screw
Stainless steel platen is equipped between head, between the second electric connector and corresponding screw head.
Specifically, current connector (the first current connector 41 and the second current connector 42) by with a thickness of 1mm or
The T2 copper foil of 0.08mm crimps, and width is not less than 100mm, and thickness is no more than 12mm and to meet its current-carrying capacity not small
In 2200A.Described its two sides of long copper-aluminum composite board is respectively the contact of aluminium layer and layers of copper, wherein aluminium layer and link block bottom surface, layers of copper
With corresponding current connector contact, width 100mm, length be not less than 160mm, thus cover sliding rail slide in and out after and
The gap formed between connector 3, avoids the intrusion of sundries, its two sides of short copper-aluminum composite board is respectively aluminium layer and layers of copper, wherein
Aluminium layer and the contact of sliding rail bottom surface, layers of copper and current connector contact, width 100mm, length 85mm；Stainless steel platen
403 be 304 stainless steel plates 402, is respectively intended to compress current connector, copper-aluminum composite board and link block and sliding rail, so that
What is be bonded between three is closer.
In one embodiment of the invention, the first current connector 41 and the second current connector 42 are all made of soft copper circle
Structure.
In one embodiment of the invention, the first current connector 41 and the second current connector 42 are existed by thickness
T2 copper foil within the scope of 0.08 millimeter to 0.1 millimeter is entwined.
Such as Fig. 9, in one embodiment of the invention, the front side wall and rear wall and second of the first current connector 41
Stainless steel plate 402 of the front side wall and rear wall of current connector 42 by the aluminium sheet 403 for being located inside and positioned at outside clamps,
The bottom surface of connector 3 and the bottom surface of left sliding rail 11 are respectively equipped with right with the aluminium sheet 403 of the front side wall of the first connector and rear wall
The bottom surface of the aluminium block 401 answered, the bottom surface of connector 3 and right sliding rail 12 is respectively equipped with front side wall and rear wall with the first connector
The corresponding aluminium block 401 of aluminium sheet 403, corresponding aluminium block 401, aluminium sheet 403 and stainless steel plate 402 are bolted.
For example, the inside of the front side wall of the first current connector 41 is equipped with aluminium sheet 403, outside is equipped with stainless steel plate 402, and
The inside of the antetheca of first current connector 41 is equipped with aluminium block 401, and the bottom surface welding of this aluminium block 401 and left sliding rail 11 is corresponding
Aluminium block 401, stainless steel plate 402, aluminium sheet 403 be bolted together.
The inside of the rear wall of first current connector 41 is equipped with aluminium sheet 403, outside is equipped with stainless steel plate 402, and first
The inside of the rear wall of current connector 41 is equipped with aluminium block 401, the bottom surface welding of this aluminium block 401 and connector 3, corresponding aluminium block
401, stainless steel plate 402, aluminium sheet 403 are bolted together.
The inside of the front side wall of second current connector 42 is equipped with aluminium sheet 403, outside is equipped with stainless steel plate 402, and second
The inside of the antetheca of current connector 42 is equipped with aluminium block 401, the bottom surface welding of this aluminium block 401 and right sliding rail 12, corresponding aluminium
Block 401, stainless steel plate 402, aluminium sheet 403 are bolted together.
The inside of the rear wall of second current connector 42 is equipped with aluminium sheet 403, outside is equipped with stainless steel plate 402, and second
The inside of the rear wall of current connector 42 is equipped with aluminium block 401, the bottom surface welding of this aluminium block 401 and connector 3, corresponding aluminium block
401, stainless steel plate 402, aluminium sheet 403 are bolted together.
Specifically, Fig. 9 illustrates another current connector structure of the invention.Its current connector uses soft copper
Coil structures, the opposed bottom surface for being welded on connector 3 and sliding rail, aluminium sheet 403 and stainless steel plate 402 clamp welding aluminium block 401 respectively
Current connector, using screw by aluminium sheet 403, current connector and stainless steel plate 402 be fastened on welding aluminium block 401 on.
Wherein, current connector is entwined with a thickness of the T2 copper foil of 0.1 or 0.08mm.
A kind of I-shaped conductor rail intermediate supports formula expansion pipe 100 designed by the present invention, overall weight is by insulating
Support 5 undertakes, and sliding rail will not be self-possessed sagging due to it and cause to slide unsmooth；This expansion pipe 100 can guarantee that extreme obtains
Stable support is obtained, height of the left and right two by stream interface is consistent to make collector shoe is smoothly shock-free to connect by expansion
First 100 expansion joint, in the case where flanking touch and being flowed, this expansion pipe 100 is applicable not only to the installation of straightway and fits
For the installation of curved section, the stuck of sliding rail will not be generated in curved section.
In addition, sliding rail clamping plate can also be welded on connector 3 by clamping plate and connector 3 in addition to being connected using screw.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (25)
1. a kind of expansion pipe, the expansion pipe includes left sliding rail, right sliding rail, first clamping plate and second clamping plate, the left cunning
Rail and the right sliding rail relatively slidably, it is opposite before and after the first clamping plate and the second clamping plate and clamp the left sliding rail and
Right sliding rail, which is characterized in that the expansion pipe further include:
Connector, the connector are connected with the left sliding rail and the right sliding rail respectively, and the connector and described first
Clamping plate and the second clamping plate it is relatively fixed connect；
First current connector, first current connector is connected respectively with the left sliding rail and the connector and conductance
It is logical；
Second current connector, second current connector is connected respectively with the right sliding rail and the connector and conductance
It is logical；
Insulating supporting, the insulating supporting is connected with the connector is used to support the connector.
2. expansion pipe according to claim 1, which is characterized in that the insulating supporting is connected by screw in the company
The bottom surface of junctor.
3. expansion pipe according to claim 1, which is characterized in that the front and rear sides of the left sliding rail and the right cunning
The front and rear sides of rail are equipped with waist type chamber, and the first clamping plate and the second clamping plate, which are equipped with, is inserted into the corresponding waist
The intracavitary protrusion of portion's type.
4. expansion pipe according to claim 3, which is characterized in that the first clamping plate and the second clamping plate are wrapped
It includes:
Plate portion, two ends on the surface in the plate portion are equipped with the protrusion.
5. expansion pipe according to claim 1, which is characterized in that the first clamping plate and the second clamping plate are by fish
Tailgate is formed by linear cutter.
6. expansion pipe according to claim 1, which is characterized in that
The left sliding rail is lockked with the first clamping plate and the second clamping plate by bolt, and the left sliding rail is relative to described
One clamping plate and the second clamping plate or so are movable；And/or
The right sliding rail is lockked with the first clamping plate and the second clamping plate by bolt, and the right sliding rail is relative to described
One clamping plate and the second clamping plate or so are movable.
7. expansion pipe according to claim 1, which is characterized in that the first clamping plate and the second clamping plate respectively with
The connector is by bolt fastening or welding.
8. expansion pipe according to claim 1, which is characterized in that the surface of the connector is equipped with dovetail rail, described
Left sliding rail is equipped with the first dovetail groove, and the right sliding rail is equipped with the second dovetail groove, first dovetail groove and second swallow
The described dovetail rail cooperation of stern notch.
9. expansion pipe according to claim 8, which is characterized in that positioned at dovetail rail two sides on the connector
Surface is in the acclivitous wedge shape on the direction far from the dovetail rail, is located at first dovetail groove two on the left sliding rail
The surface of side is in the wedge shape that be adapted to the connector, be located on the right sliding rail surfaces of second dovetail groove two sides in
The wedge shape of the connector adaptation.
10. expansion pipe according to claim 1, which is characterized in that the left sliding rail and the right sliding rail are by conduction
Rail is process.
11. expansion pipe according to claim 1, which is characterized in that be equipped on the left sliding rail and the right sliding rail
For connecting the long lumbar hole of first clamping plate and second clamping plate.
12. expansion pipe according to claim 11, which is characterized in that it is equipped with support sleeve in the long lumbar hole, described the
One clamping plate and the second clamping plate compress the both ends of the support sleeve respectively.
13. expansion pipe according to claim 11, which is characterized in that the length of the long lumbar hole is not less than 95 millimeters,
And the expansion adjustment amount of the left sliding rail and the right sliding rail is not less than 150 millimeters.
14. expansion pipe according to claim 1, which is characterized in that the left sliding rail and the opposite end of the right sliding rail
Face is cut into the inclined-plane with the angle of the normal of other end no more than 15 °.
15. expansion pipe according to claim 1, which is characterized in that the left sliding rail and the right sliding rail are in center pair
Claim the left and right sides for being arranged in the connector.
16. expansion pipe described in any one of -15 according to claim 1, which is characterized in that the connector and the left cunning
Each faying face of rail and the right sliding rail, each faying face of the first clamping plate and the left sliding rail and right sliding rail and described the
Each faying face of second splint and the left sliding rail and right sliding rail is coated with conductive grease.
17. expansion pipe described in any one of -16 according to claim 1, which is characterized in that the connector squeezes for aluminium alloy
It is molded.
18. expansion pipe according to claim 1, which is characterized in that first current connector is connected to the company
The bottom surface of the bottom surface of junctor and the left sliding rail, the second current connector be connected to the connector bottom surface and the right sliding rail
Bottom surface.
19. expansion pipe according to claim 1, which is characterized in that first current connector and second electricity
Stream connector is crimped by T2 copper foil of the thickness within the scope of 0.08 millimeter to 1 millimeter, and first current connector
It is not more than 12 millimeters not less than 100 millimeters, thickness with the width of second current connector and current-carrying capacity is not less than 2200A.
20. according to claim 1 or expansion pipe described in 19, which is characterized in that first current connector and the company
It is equipped between short copper-aluminum composite board and the left sliding rail between junctor and is equipped with long copper-aluminum composite board, second current connector
It is equipped between short copper-aluminum composite board and the right sliding rail between the connector and is equipped with long copper-aluminum composite board, the short copper aluminium
It is aluminium layer and another side is layers of copper that composite plate and the long copper-aluminum composite board, which are one side, and the layers of copper contacts the first electric current biography
Sensor or second current sensor.
21. expansion pipe according to claim 20, which is characterized in that the width of the long copper-aluminum composite board is not less than
100 millimeters, length be not less than 160 millimeters, the width of the short copper-aluminum composite board is not less than 100 millimeters, length not less than 85 millis
Rice.
22. expansion pipe according to claim 1, which is characterized in that first current connector and the company
The bottom surface of junctor and the bottom surface of the left sliding rail are bolted, the bottom surface of second current connector and the connector
It is bolted with the bottom surface of the right sliding rail, between first electric connector and corresponding screw head, described second is electrically connected
It connects and is equipped with stainless steel platen between device and corresponding screw head.
23. expansion pipe according to claim 1, which is characterized in that first current connector and the second electric current connect
It connects device and is all made of soft copper coil structures.
24. expansion pipe according to claim 23, which is characterized in that first current connector and the second electric current connect
Device is connect to be entwined by T2 copper foil of the thickness within the scope of 0.08 millimeter to 0.1 millimeter.
25. expansion pipe according to claim 23, which is characterized in that the front side wall of first current connector is with after
The front side wall and rear wall of side wall and second current connector are by the aluminium sheet for being located inside and positioned at outside
The bottom surface of stainless steel plate clamping, the bottom surface of the connector and the left sliding rail is respectively equipped with the front side with first connector
The bottom surface of the corresponding aluminium block of the aluminium sheet of wall and rear wall, the bottom surface of the connector and the right sliding rail is respectively equipped with and described
The front side wall of a connector and the corresponding aluminium block of the aluminium sheet of rear wall, corresponding aluminium block, aluminium sheet and stainless steel plate are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985462.7A CN109693582B (en) | 2017-10-20 | 2017-10-20 | Expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985462.7A CN109693582B (en) | 2017-10-20 | 2017-10-20 | Expansion joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109693582A true CN109693582A (en) | 2019-04-30 |
| CN109693582B CN109693582B (en) | 2022-03-18 |
Family
ID=66225342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710985462.7A Active CN109693582B (en) | 2017-10-20 | 2017-10-20 | Expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109693582B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834570A (en) * | 2018-08-15 | 2020-02-25 | 比亚迪股份有限公司 | Contact rail assembly of track and track with same |
| CN111231775A (en) * | 2020-03-05 | 2020-06-05 | 北京磁浮交通发展有限公司 | Expansion joint and rail vehicle power supply system |
| CN112606740A (en) * | 2020-12-31 | 2021-04-06 | 曾鉴 | Connecting structure for contact rail |
| CN113459905A (en) * | 2020-03-30 | 2021-10-01 | 比亚迪股份有限公司 | Joint device and have its conductor rail subassembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834570A (en) * | 2018-08-15 | 2020-02-25 | 比亚迪股份有限公司 | Contact rail assembly of track and track with same |
| CN111231775A (en) * | 2020-03-05 | 2020-06-05 | 北京磁浮交通发展有限公司 | Expansion joint and rail vehicle power supply system |
| CN113459905A (en) * | 2020-03-30 | 2021-10-01 | 比亚迪股份有限公司 | Joint device and have its conductor rail subassembly |
| CN113459905B (en) * | 2020-03-30 | 2023-10-13 | 比亚迪股份有限公司 | Joint device and conductor rail assembly with same |
| CN112606740A (en) * | 2020-12-31 | 2021-04-06 | 曾鉴 | Connecting structure for contact rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109693582B (en) | 2022-03-18 |
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