CN207549996U - A kind of expansion pipe - Google Patents
A kind of expansion pipe Download PDFInfo
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- CN207549996U CN207549996U CN201721786008.0U CN201721786008U CN207549996U CN 207549996 U CN207549996 U CN 207549996U CN 201721786008 U CN201721786008 U CN 201721786008U CN 207549996 U CN207549996 U CN 207549996U
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- sliding block
- expansion pipe
- left slider
- copper strips
- middle sliding
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Abstract
The utility model provides a kind of expansion pipe, is related to power supply of urban orbit traffic equipment technical field.The expansion pipe includes left slider, middle sliding block, right sliding block, fishtail clamping plate and M type copper strips；The right side of the left slider, the both ends of the surface of the middle sliding block and are mutually parallel at the equal bevel in left side of the right sliding block；Level tune hole is equipped at the web of the rail of the left slider and the right sliding block, mounting hole is equipped at the middle sliding block web of the rail, two pieces of fishtail clamping plates clamp respectively from both sides by the left slider, the middle sliding block and the right sliding block, blending bolt fastening；The middle sliding block aluminium rail level is drilled with threaded hole, is drilled with multiple threaded holes on the left slider and the right sliding block, the M types copper strips is fastened on the left slider, the middle sliding block and the right sliding block with bolt.The utility model solves the technical issues of copper strips material in the prior art used is more, and sliding force is big when expansion pipe is flexible.
Description
Technical field
The utility model is related to power supply of urban orbit traffic equipment technical field, more particularly, to a kind of expansion pipe.
Background technology
Expansion pipe be arranged on conductor rail appropriate location for adjust due to environmental change and itself temperature liter etc. conditions shadow
The phenomenon of expanding with heat and contract with cold rung and generated, is the important composition component of conductor rail system, and expansion pipe requires good conduction
Property and intensity.
The structure type of expansion pipe has very much, currently generally using electrical connection section of the oval copper strips as connector
Point, see 201310252710.9.Oblong is wound in as electric connector by the use of multilayer copper foil, inside and outside oval thin copper belt both sides
Both sides are clamped with clamping plate shape respectively, and inside clamping plate copper to aluminum adapter bar, the copper material face of copper to aluminum adapter bar is bonded with copper strips, outside
Stereotyped thin copper belt is screwed onto in supporting block by side with stainless steel panel.Copper strips material used in the structure of the expansion pipe
More, sliding force is big when expansion pipe is flexible.
Based on this, the utility model provides a kind of expansion pipe to solve the technical issues of above-mentioned.
Utility model content
The purpose of this utility model is to provide a kind of expansion pipe, to solve the copper strips in the prior art used
The technical issues of material is more, and sliding force is big when expansion pipe is flexible.
Based on above-mentioned purpose, the utility model provides a kind of expansion pipe, including left slider, middle sliding block, right sliding block, fish
Tail clamping plate and M type copper strips；
The right side of the left slider, the both ends of the surface of the middle sliding block, the equal bevel in left side of the right sliding block and
It is mutually parallel；Level tune hole is equipped at the web of the rail of the left slider and the right sliding block, is equipped at the middle sliding block web of the rail
Mounting hole, two pieces of fishtail clamping plates are clamped from both sides by the left slider, the middle sliding block and the right sliding block, are used in combination respectively
Bolt fastens；
The middle sliding block aluminium rail level is drilled with threaded hole, and the left slider is with the right sliding block about the middle sliding block threaded hole
Central symmetry is drilled with multiple threaded holes respectively, and the M types copper strips is fastened on the left slider, the middle sliding block and institute with bolt
It states on right sliding block.
Optionally, above-mentioned expansion pipe, the M types copper strips are to build up M types, copper by the T2 copper foils that multi-disc thickness is 0.1mm
Close, corrugationless and clear gap are bonded between foil.
Optionally, above-mentioned expansion pipe, the left slider, the middle sliding block and the right sliding block respectively with the M types copper
The position of band connection is provided with backing plate.
Optionally, above-mentioned expansion pipe, the backing plate include intermediate pads and two end pads；
The intermediate pads are arranged on the position between the middle sliding block and the M types copper strips；
Two end pads are separately positioned on the position between the left slider, the right sliding block and the M types copper strips.
Optionally, above-mentioned expansion pipe, the upper surface of the position of the M types copper belting bolt fastening are provided with pressing plate.
Optionally, above-mentioned expansion pipe, the pressing plate include intermediate press plate and two end pressing plates；
The intermediate press plate is arranged on the position that the middle sliding block is connect with the M types copper strips；
The position that two end pressing plates are separately positioned on the left slider, the right sliding block is connect with the M types copper strips.
Optionally, above-mentioned expansion pipe, the fishtail clamping plate two sides are printed on scale label.
Scale label is printed in the two sides of fishtail clamping plate, zero curve groove is carved in the corresponding conductor rail side of calibration zero,
When expansion pipe is closed completely, calibration zero is aligned with zero curve groove.When expansion pipe is stretched, can quickly it read current swollen
The stroke of expanded joint head, the condition that the daily maintenance for expansion pipe is provided convenience.
Optionally, above-mentioned expansion pipe is equipped with L-shaped baffle on the pressing plate of the M types copper strips both sides end.
L-shaped baffle can be prevented caused by expansion pipe Long-term Vibration in protective cover the phenomenon that the play of left and right.
Optionally, above-mentioned expansion pipe further includes expansion pipe protective cover；
The expansion pipe protective cover wrap up the left slider, the middle sliding block, the right sliding block, the fishtail clamping plate and
The M types copper strips.
The expansion pipe provided by the utility model, including left slider, middle sliding block, right sliding block, fishtail clamping plate and M type copper
Band；The right side of the left slider, the both ends of the surface of the middle sliding block, the equal bevel in left side of the right sliding block and mutually flat
Row；Level tune hole is equipped at the web of the rail of the left slider and the right sliding block, mounting hole is equipped at the middle sliding block web of the rail,
Two pieces of fishtail clamping plates clamp respectively from both sides by the left slider, the middle sliding block and the right sliding block, and blending bolt is tight
Gu；The middle sliding block aluminium rail level is drilled with threaded hole, and the left slider is with the right sliding block about the middle sliding block threaded hole center
It is symmetrically drilled with multiple threaded holes respectively, the M types copper strips is fastened on the left slider, the middle sliding block and the right side with bolt
On sliding block.Expansion pipe provided by the utility model replaces oval copper strips as electrical connections using M types copper strips, used
Copper strips material it is less, sliding force smaller when expansion pipe is flexible.
Based on this, the utility model has, when expansion pipe flexible sliding force few using copper strips material compared with original technology
The advantages of small.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of expansion pipe that the utility model embodiment provides；
Fig. 2 is the vertical view of expansion pipe shown in FIG. 1；
Fig. 3 is the structure diagram of M type copper strips in the expansion pipe that the utility model embodiment provides；
Fig. 4 is the structure diagram after protective cover assembling in the expansion pipe that the utility model embodiment provides.
Icon：1- left sliders；Sliding block in 2-；The right sliding blocks of 3-；4- fishtail clamping plates；5-M type copper strips；6-L shape baffles；7- ends
Pressing plate；8- end pads；9- intermediate press plates；10- intermediate pads；11- expansion pipe protective covers.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment one
Fig. 1 is the structure diagram of expansion pipe that the utility model embodiment provides；Fig. 2 connects for expansion shown in FIG. 1
The vertical view of head；Fig. 3 is the structure diagram of M type copper strips in the expansion pipe that the utility model embodiment provides；Fig. 4 is this reality
Structure diagram after protective cover assembles in the expansion pipe provided with new embodiment.
As depicted in figs. 1 and 2, a kind of expansion pipe is provided in the present embodiment, and the expansion pipe includes left slider
1st, middle sliding block 2, right sliding block 3, fishtail clamping plate 4 and M types copper strips 5；
The right side of the left slider 1, the both ends of the surface of the middle sliding block 2, the equal bevel in left side of the right sliding block 3
And it is mutually parallel；Level tune hole is equipped at the web of the rail of the left slider 1 and the right sliding block 3, at middle 2 web of the rail of sliding block
Equipped with mounting hole, two pieces of fishtail clamping plates 4 are respectively from both sides by the left slider 1, the middle sliding block 2 and the right sliding block 3
It clamps, blending bolt fastening；
The 2 aluminium rail level of middle sliding block is drilled with threaded hole, and the left slider 1 is with the right sliding block 3 about middle 2 spiral shell of sliding block
Pit central symmetry is drilled with multiple threaded holes respectively, and the M types copper strips 5 is fastened on the left slider 1, the middle cunning with bolt
On block 2 and the right sliding block 3.
Specifically, the steel-aluminum conductor rail of one section of suitable length is taken to be processed into left slider 1, middle sliding block 2, right sliding block 3, a left side
1 right side of sliding block, the both ends of the surface of middle sliding block 2, the left side of right sliding block 3 are made 25 ° of inclined-planes and are mutually parallel, formed in this way
Seam can reduce the abrasion to collector shoe end, also can guarantee that collector shoe will not be out of stock by stream, left slider 1, right 3 web of the rail of sliding block
Place opens 110mm long Level tunes hole, and straight hole is opened at middle 2 web of the rail of sliding block；With 2 pieces of fishtail clamping plates 4 by left slider 1, middle sliding block 2, right
Sliding block 3 is clamped together, and applies conductive grease in fishtail clamping plate 4 and the contact surface of left slider 1, middle sliding block 2, right sliding block 3, improves and slide
Electric conductivity when dynamic, is finally fixed with bolt, and the Tightening moment of bolt is 56Nm at middle sliding block 2, at left slider 1, right sliding block 3
The Tightening moment of bolt is 20Nm, can ensure the smooth cunning of left slider 1, right sliding block 3 under the premise of electrical connection properties are ensured
It is dynamic.
Expansion pipe provided by the utility model replaces oval copper strips as electrical connections, institute using M types copper strips 5
Copper strips material is less, sliding force smaller when expansion pipe is flexible.Based on this, the utility model has compared with original technology
It is few using copper strips material, the advantages of sliding force is small when expansion pipe is flexible.
In the alternative of the present embodiment, the M types copper strips 5 is to build up M types by the T2 copper foils that multi-disc thickness is 0.1mm,
Close, corrugationless and clear gap are bonded between copper foil.
In above-mentioned alternative, further, the left slider 1, the middle sliding block 2 and the right sliding block 3 respectively with
The position that the M types copper strips 5 connects is provided with backing plate.
In above-mentioned alternative, further, the backing plate includes intermediate pads 10 and two end pads 8；
The intermediate pads 10 are arranged on the position between the middle sliding block 2 and the M types copper strips 5；
Two end pads 8 are separately positioned on the position between the left slider 1, the right sliding block 3 and the M types copper strips 5
It puts.
In above-mentioned alternative, further, the upper surface for the position that the M types copper strips 5 is fastened with bolt is provided with
Pressing plate.
In above-mentioned alternative, further, the pressing plate includes intermediate press plate 9 and two end pressing plates 7；
The intermediate press plate 9 is arranged on the position that the middle sliding block 2 is connect with the M types copper strips 5；
The position that two end pressing plates 7 are separately positioned on the left slider 1, the right sliding block 3 is connect with the M types copper strips 5
It puts.
Specifically, the T2 copper foils for being 0.1mm with multi-layered thickness build up M types copper strips 5, the tin plating processing of copper strip surface, M type copper strips
5 centers open up connecting hole with both sides.Middle 2 aluminium rail level center of sliding block is drilled with threaded hole, and left slider 1 is with right sliding block 3 about middle sliding block 2
Threaded hole central symmetry is drilled with 3 threaded holes respectively, and M types copper strips 5 is connected with 3 sliding blocks with bolt, M types copper strips 5 and middle cunning
Intermediate pads 10 are lined between block 2, intermediate pads 10 are copper to aluminum adapter bar, and copper face is contacted with copper strips, and aluminium face is contacted with aluminium rail, is kept away
The galvano-cautery phenomenon between different metal is exempted from, 5 top of M types copper strips is pressed with intermediate press plate 9, M types copper strips 5 and left slider 1, right cunning
End pad 8 is lined between block 3, the material and effect that end pad 8 is selected are identical with intermediate pads 10, and top is pressed with end pressure
Plate 7.
In above-mentioned alternative, further, 4 two sides of fishtail clamping plate are printed on scale label.
Specifically, being printed on scale label in 4 two sides of fishtail clamping plate, zero curve is carved in the corresponding conductor rail side of calibration zero
Groove, when expansion pipe is closed completely, calibration zero is aligned with zero curve groove.When expansion pipe is stretched, can quickly it read
The stroke of current expansion pipe, the condition that the daily maintenance for expansion pipe is provided convenience.
In above-mentioned alternative, further, L-shaped baffle 6 is housed on the 5 both sides end pressing plate 7 of M types copper strips.
As shown in figure 3, aluminium block is processed into L-shaped baffle 6, on the end pressing plate 7 of 5 both sides of M types copper strips.L-shaped is kept off
Plate 6 can be prevented caused by expansion pipe Long-term Vibration in protective cover the phenomenon that the play of left and right.
As shown in figure 4, for extend conductor rail service life, the left slider, the middle sliding block, the right sliding block,
The external setting expansion pipe protective cover 11 of the fishtail clamping plate and the M types copper strips, which can prevent
Only between left slider 1, middle sliding block 2 and right sliding block 3 and M types copper strips 5 accumulates dust, electric conductivity is caused to decline, it is difficult to clear
Reason.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of expansion pipe, which is characterized in that including left slider, middle sliding block, right sliding block, fishtail clamping plate and M type copper strips；
The right side of the left slider, the both ends of the surface of the middle sliding block, the equal bevel in left side of the right sliding block and mutually
It is parallel；Level tune hole is equipped at the web of the rail of the left slider and the right sliding block, is equipped with and fixes at the middle sliding block web of the rail
Hole, two pieces of fishtail clamping plates clamp respectively from both sides by the left slider, the middle sliding block and the right sliding block, blending bolt
Fastening；
The middle sliding block aluminium rail level is drilled with threaded hole, and the left slider is with the right sliding block about the middle sliding block threaded hole center
It is symmetrically drilled with multiple threaded holes respectively, the M types copper strips is fastened on the left slider, the middle sliding block and the right side with bolt
On sliding block.
2. expansion pipe according to claim 1, which is characterized in that the M types copper strips be by multi-disc thickness be 0.1mm
T2 copper foils build up M types, and close, corrugationless and clear gap are bonded between copper foil.
3. expansion pipe according to claim 1, which is characterized in that the left slider, the middle sliding block and the right cunning
The position that block is connect respectively with the M types copper strips is provided with backing plate.
4. expansion pipe according to claim 3, which is characterized in that the backing plate includes intermediate pads and two end pads
Plate；
The intermediate pads are arranged on the position between the middle sliding block and the M types copper strips；
Two end pads are separately positioned on the position between the left slider, the right sliding block and the M types copper strips.
5. expansion pipe according to claim 1, which is characterized in that the position of M types copper belting bolt fastening it is upper
Surface is provided with pressing plate.
6. expansion pipe according to claim 5, which is characterized in that the pressing plate includes intermediate press plate and two end pressures
Plate；
The intermediate press plate is arranged on the position that the middle sliding block is connect with the M types copper strips；
The position that two end pressing plates are separately positioned on the left slider, the right sliding block is connect with the M types copper strips.
7. expansion pipe according to claim 1, which is characterized in that the fishtail clamping plate two sides are printed on scale label.
8. expansion pipe according to claim 1, which is characterized in that L-shaped is housed on the pressing plate of the M types copper strips both sides end
Baffle.
9. expansion pipe according to claim 1, which is characterized in that further include expansion pipe protective cover；
The expansion pipe protective cover wraps up the left slider, the middle sliding block, the right sliding block, the fishtail clamping plate and described
M type copper strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786008.0U CN207549996U (en) | 2017-12-19 | 2017-12-19 | A kind of expansion pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786008.0U CN207549996U (en) | 2017-12-19 | 2017-12-19 | A kind of expansion pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207549996U true CN207549996U (en) | 2018-06-29 |
Family
ID=62663685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721786008.0U Active CN207549996U (en) | 2017-12-19 | 2017-12-19 | A kind of expansion pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207549996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515254A (en) * | 2018-12-11 | 2019-03-26 | 镇江大全赛雪龙牵引电气有限公司 | A kind of novel steel-aluminum composite contact rail expansion pipe |
| CN111439169A (en) * | 2019-01-16 | 2020-07-24 | 镇江大全赛雪龙牵引电气有限公司 | Side joint touches rail system and connects with little curve expansion |
-
2017
- 2017-12-19 CN CN201721786008.0U patent/CN207549996U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515254A (en) * | 2018-12-11 | 2019-03-26 | 镇江大全赛雪龙牵引电气有限公司 | A kind of novel steel-aluminum composite contact rail expansion pipe |
| CN109515254B (en) * | 2018-12-11 | 2024-06-04 | 镇江大全赛雪龙牵引电气有限公司 | Novel steel-aluminum composite contact rail expansion joint |
| CN111439169A (en) * | 2019-01-16 | 2020-07-24 | 镇江大全赛雪龙牵引电气有限公司 | Side joint touches rail system and connects with little curve expansion |
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