CN207140809U - A kind of pipeline connecting seat for pantograph on locomotive - Google Patents
A kind of pipeline connecting seat for pantograph on locomotive Download PDFInfo
- Publication number
- CN207140809U CN207140809U CN201720185338.8U CN201720185338U CN207140809U CN 207140809 U CN207140809 U CN 207140809U CN 201720185338 U CN201720185338 U CN 201720185338U CN 207140809 U CN207140809 U CN 207140809U
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- Prior art keywords
- connecting seat
- sleeve pipe
- roof skin
- stop
- described sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of pipeline connecting seat for pantograph on locomotive, including sleeve pipe, connecting seat and stop-motion seat, the axis of three are located along the same line and be vertically arranged with the roof skin of locomotive；The inner hollow of described sleeve pipe and it is provided with internal thread, its outside is fixedly connected with roof skin, the main body of the connecting seat is provided with externally threaded cylinder and is arranged in sleeve pipe, connection is threadably secured between the two, the both ends of the connecting seat pass sleeve pipe, and radially horizontal-extending and lower end the part that passes is provided with the non-circular ladder chuck radially inside contracted compared with its upper end for the part that passes of its upper end, and the stop-motion seat is additionally provided with the bayonet socket of ladder chuck matching and the internal thread for being connected pipe joint and/or tracheae, the lower end of described sleeve pipe pushes against or is fixedly connected with stop-motion seat.The pipeline connecting base structure is simple and connection is reliable, and air-tightness and good water-proof effect, convenient disassembly simultaneously extend its service life.
Description
Technical field
Rail transit electrical equipment technical field is the utility model is related to, in particular it relates to which a kind of be used on locomotive by electricity
The pipeline connecting seat of bow.
Background technology
Pantograph is common in electrically-driven car, is to obtain the electric of electric energy in a kind of contact net for above locomotive
Equipment, it is arranged on locomotive roof and foldable setting.The action of pantograph is bent the control of pipe-line system by lifting and led to
Overcompression air realizes its lifting process, in general, the pipe inside and outside a connection car body is set on the roof skin of locomotive
Road connecting seat, its one end connection are electrically managed and the tracheae of other end connection locomotive compressed air device, play gas transport
Effect.Because the roof skin material of conventional locomotive is carbon steel, therefore pipeline connecting seat is also substantially by carbon steel or stainless steel system
Into then pipeline connecting seat is directly welded on roof skin can be (referring to Fig. 1).
Because present locomotive increasingly pursues heavy duty, high speed and lightweight, its top cover makes from original carbon steel and is changed to
Aluminium alloy makes.If pipeline connecting seat also uses original mounting means, it may appear that between the dissimilar metal of carbon steel and aluminium alloy
Welding, there is difficulty of processing under current welding technique for this；And if making pipeline connecting seat using aluminium alloy, by
Softer and not wear-resisting in aluminium alloy material itself, after dismounting several times, the screw thread at pipe joint is more easily damaged pipeline,
And then whole pipeline connecting seat is caused directly to be scrapped, it is necessary to which pipeline connecting seat is integrally cut off and welded again.It is but existing frequently-used
Be latter way, i.e. the pipeline connecting seat from aluminum alloy material, not only service life is short, production cost is high, Er Qiewei
It is big to protect difficulty, influences pipeline disassembly efficiency.
Chinese patent 201120252026.7 discloses a kind of appendix in the pantograph, the appendix include by
Pipe fitting made of polytetrafluoro material and the pipe joint installed in the pipe fitting end, the pipe joint, which has one, to be inserted in pipe fitting
And outer surface is provided with the hollow core of stairstepping step and the pipe collar installed in outer surface of pipe fittings, the inner surface setting of the pipe collar
There is internal thread, one end of pipe collar is provided with the prominent ring extended radially inwardly, and one end of hollow core is provided with radial outward expansion
Sealing surface, be provided with annular groove in the hollow core on the inside of the sealing surface.The gas transmission tube-in-tube hoop extrudes with pipe fitting
When, air between the two can be made all to be overflowed, it is combined closely, will not depart from both because appendix trembles.
But above-mentioned patent mainly solves air-tightness and easy to fall off problem of the appendix in connection by changing the structure of pipe joint,
And still felt simply helpless by the fixed installation problem at the top of locomotive during covering for appendix.
Utility model content
The purpose of this utility model is to provide a kind of pipeline connection for connecting reliable, convenient disassembly and service life length
Seat, to solve the problems, such as to propose in background technology.
To achieve the above object, the utility model provides a kind of pipeline connecting seat for pantograph on locomotive, including
Sleeve pipe, connecting seat and the stop-motion seat for preventing the connecting seat from rotating, the axis of three be located along the same line and
It is vertically arranged with the roof skin of locomotive；
The inner hollow of described sleeve pipe and internal thread is provided with, it is outside to be fixedly connected with the roof skin, the connection
The main body of seat is provided with externally threaded cylinder and is arranged in described sleeve pipe, and described sleeve pipe and connecting seat are by matching
Internal and external screw thread is fixedly connected, and the both ends of the connecting seat pass described sleeve pipe, and the connecting seat upper end passes part along footpath
To outwards horizontal-extending and at least partly cover the upper top surface of described sleeve pipe, the lower end of described sleeve pipe and the stop-motion seat push against or
It is fixedly connected, the part that passes of the connecting seat lower end is provided with the non-circular ladder card that radial direction inside contracts compared with its upper end
Platform, and the bayonet socket matched with the ladder chuck is provided with the center of the stop-motion seat, in the inside of the connecting seat also
It is provided for connecting the internal thread of pipe joint and/or tracheae.
Preferably, the material of described sleeve pipe is can be with the materials A of roof skin melting welding, the lateral wall and top cover of described sleeve pipe
Covering is welded and fixed, and the material of the connecting seat is the material B higher than the materials A intensity；Or the material of described sleeve pipe is
Materials A or material B, the overlap joint platform extended radially outward, the overlap joint platform are provided with the lateral wall of described sleeve pipe
Lower surface and roof skin upper surface be brought into close contact and between the two be connected.
Preferably, the material of the stop-motion seat is materials A, and the bottom surface of the stop-motion seat and roof skin is welded and fixed
And/or the bottom of the stop-motion seat and sleeve pipe is welded and fixed；Or the material of the stop-motion seat is materials A or material B, and it is described
It is connected between the bottom of stop-motion seat and sleeve pipe using trip bolt.
Preferably, the connecting seat upper end passes part after radially horizontal-extending, and prolongs axially downward
Stretch to its upper surface with the roof skin, and the contact position of the two is provided with the fluid sealant for waterproof；
The outward flange of the stop-motion seat extends axially upward until it is contacted with the lower surface of the roof skin, and connecing the two
Tactile position is welded and fixed and/or is provided with the fluid sealant for waterproof.
Preferably, the upper top surface in described sleeve pipe opens up groove and sets sealing ring wherein so that the connecting seat
Radial level extended surface and the upper top surface of described sleeve pipe play waterproof action when pressing.
Preferably, the overlap joint platform is fixedly connected by trip bolt with roof skin；Or in the overlap joint platform
Lower surface is provided with multiple downward projections, and the fixing hole that projection is corresponded to for clamping is offered on roof skin.
Preferably, the fluid sealant for waterproof is provided with the link position of the overlap joint platform and roof skin.
Preferably, the link position of described sleeve pipe and roof skin is non-circular that can give sleeve pipe offer gram by roof skin
The resistance rotated is taken, to avoid being influenceed by shearing force for trip bolt connecting the two or other connectors.
Preferably, the materials A is aluminium alloy, and the material B is one kind in carbon steel or stainless steel.
Preferably, the maximum outside diameter of the connecting seat is identical with the maximum outside diameter of the stop-motion seat, in order to the top cover
The stress of covering.
Technical scheme provided by the utility model has the advantages that：
1st, the structure of the pipeline connecting seat is simple and connection is reliable, and it is by welding, being threadedly coupled and/or mode connects for screw
Realize and the position of whole pipeline connecting seat is fixed, broken away from the defects of material limits；Due to the connecting seat connected with pipeline
High-strength material can be selected and bear multiple repeated disassembled and assembled, the destruction amount of the screw thread of junction also greatly reduces, extended
The service life of pipeline connecting seat, reduce the maintenance cost of locomotive.
2nd, the pipeline connecting seat in junction by setting sealing ring or fluid sealant to ensure that the rainwater of external environment condition will not
Into device interior, good waterproof effect is served；Pass through the engaging position by described sleeve pipe with stop-motion seat or roof skin
Be shaped to it is non-circular, to avoid connecting seat from rotating or reduce for the shearing force suffered by the screw of connection.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings discussed below is only some implementations of the present utility model
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 is the axial section structure chart of original pipeline connecting seat；
Fig. 2 is the axial section structure chart of the utility model preferred embodiment one；
Fig. 3 is the upward view of embodiment illustrated in fig. 2；
Fig. 4 is the axial section structure chart that embodiment illustrated in fig. 2 is arranged on car body；
Fig. 5 is the axial section structure chart that the utility model preferred embodiment two is arranged on car body；
Fig. 6 is the axial section structure chart that the utility model preferred embodiment three is arranged on car body；
Fig. 7 is the axial section structure chart that the utility model preferred embodiment four is arranged on car body；
In figure：01 roof skin, 02 tracheae, 03 pipe joint, 1 sleeve pipe, 2 connecting seats, 3 stop-motion seats, 4 fluid sealants, 5 sealings
Circle, 6 trip bolts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one
Referring to Fig. 2, Fig. 3 and Fig. 4, a kind of pipeline connecting seat for pantograph on locomotive, including sleeve pipe 1, connecting seat 2
With stop-motion seat 3, the axis of three is located along the same line and is vertically arranged with the roof skin 01 of locomotive.
In the present embodiment, the material of described sleeve pipe 1, stop-motion seat 3 and roof skin 01 is aluminium alloy, the connecting seat
2 material is carbon steel or stainless steel.
Described sleeve pipe 1 is hollow and sets female cylinder, and its lateral wall is welded and fixed with the roof skin 01,
The main body of the connecting seat 2 is provided with externally threaded cylinder and is arranged in described sleeve pipe 1, described sleeve pipe 1 and connecting seat 2
It is fixedly connected by the internal and external screw thread to match, the interior spiral shell for connecting pipe joint 03 is also set up in the inside of the connecting seat 2
Line.
The both ends of the connecting seat 2 pass described sleeve pipe 1, and the upper end of connecting seat 2 passes part radially
It is horizontal-extending and cover and exceed the upper top surface of described sleeve pipe 1, should continue to extend axially downward beyond part afterwards until its
With the upper surface of the roof skin 01, and the contact position of the two is provided with the fluid sealant 4 for waterproof；Described
The part that passes of the lower end of connecting seat 2 is additionally provided with the regular hexagon ladder chuck radially inside contracted compared with its upper end.
The stop-motion seat 3 is arranged at the lower end of connecting seat 2 and heart position is provided with and matched just with ladder chuck wherein
Hexagon bayonet socket, the stop-motion seat 3 also push against with the lower end of sleeve pipe 1, and the outward flange of the stop-motion seat 3 extends axially upward directly
Contact and be welded and fixed with the lower surface of the roof skin 01 to it.
In the present embodiment, the maximum outside diameter of the connecting seat 2 is identical with the maximum outside diameter of the stop-motion seat 3, in order to
The stress of the roof skin 01.
The installation process of pipeline connecting seat is as follows in the present embodiment：
First the lateral wall of sleeve pipe 1 and the roof skin of surrounding 01 are welded and fixed, then threadingly by connecting seat 2 to underthrust
Enter in sleeve pipe 1, until the upper top surface of sleeve pipe 1 is close to the horizontal-extending face of the upper end of connecting seat 2 and causes the upper end of connecting seat 2
The upper surface of downward extension portion and roof skin 01；The lower end of stop-motion seat 3 and connecting seat 2 is connected together again, and made
Obtain the outer peripheral part that upwardly extends of stop-motion seat 3 to contact with the lower surface of roof skin 01, then the contact position is welded
Fixation is connect, fluid sealant 4 is set in the contact position of connecting seat 2 and roof skin 01 after cooling to be welded；Finally tracheae 02 is led to
Pipe joint 03 is crossed to be respectively fixedly connected with the both ends of connecting seat 2.
Due to foring cavity between the horizontal-extending and downward extension portion and sleeve pipe 1 of the upper end of connecting seat 2, come in theory
Say, extraneous rainwater may be entered in the cavity by the gap between connecting seat 2 and roof skin 01, and be led to after full cavity is stored
Cross the gap on connecting seat 2 and sleeve pipe 1 between top surface to enter in the threaded connection gap of the two, cause equipment corrosion and damage.
In actual use, sealing is set due to the presence of water storage space and in the link position of connecting seat 2 and roof skin 01
Glue 4, happy safe glue (or other glue) is smeared in the thread joint face of connecting seat 2 and sleeve pipe 1, in fact for pipeline connecting seat by
It is interior to nonlocal to be provided with three mine dams, there is excellent waterproof effect.
Embodiment two
Referring to Fig. 5, a kind of pipeline connecting seat for pantograph on locomotive, structure is carried out on the basis of embodiment one
Improve.
The overlap joint platform extended radially outward is provided with the lateral wall of described sleeve pipe 1 so that the overlap joint platform
Lower surface and the upper surface of roof skin 01 are brought into close contact, and the overlap joint platform is fixed by trip bolt 6 and roof skin 01
Connect, and the fluid sealant 4 for waterproof is provided with connection gap of the overlap joint platform with roof skin 01.The present embodiment
Other structures it is identical with embodiment one, it may have good waterproof effect.
Embodiment three
Referring to Fig. 6, a kind of pipeline connecting seat for pantograph on locomotive, structure is carried out on the basis of embodiment one
Improve.
The overlap joint platform extended radially outward is provided with the lateral wall of described sleeve pipe 1 so that the overlap joint platform
Lower surface and the upper surface of roof skin 01 are brought into close contact, and are provided with the lower surface of the overlap joint platform multiple downward convex
Block, and the fixing hole for clamping bump is offered on roof skin 01, the connection passed through between corresponding projection and fixing hole is real
The position of existing sleeve pipe 1 and roof skin 01 is fixed；Meanwhile also set at connection gap of the overlap joint platform with roof skin 01
It is equipped with the fluid sealant 4 for waterproof.The other structures of the present embodiment are identical with embodiment one, it may have good waterproof effect
Fruit.
In embodiment two and three, due to employing the connected mode of non-solder between sleeve pipe 1 and roof skin 01 so that
Selection to the material of sleeve pipe 1 increases significantly, be more convenient for production and practical application；And described sleeve pipe 1 and the company of roof skin 01
Connecing position can also be designed to non-circular, when the two clamping, provided by roof skin to sleeve pipe and overcome the resistance of rotation, to keep away
Exempt to be influenceed by shearing force for trip bolt connecting the two or other connectors.
Example IV
Referring to Fig. 7, a kind of pipeline connecting seat for pantograph on locomotive, including sleeve pipe 1, connecting seat 2 and stop-motion seat 3,
The axis of three is located along the same line and is vertically arranged with the roof skin 01 of locomotive.
In the present embodiment, described sleeve pipe 1 and the material of roof skin 01 are aluminium alloy, and the material of the connecting seat 2 is
Carbon steel or stainless steel, the material of the stop-motion seat 3 are one kind in aluminium alloy, carbon steel or stainless steel.
Described sleeve pipe 1 is hollow and sets female cylinder, and its lateral wall is welded and fixed with the roof skin 01,
The main body of the connecting seat 2 is provided with externally threaded cylinder and is arranged in described sleeve pipe 1, described sleeve pipe 1 and connecting seat 2
It is fixedly connected by the internal and external screw thread to match, the interior spiral shell for connecting pipe joint 03 is also set up in the inside of the connecting seat 2
Line.
The both ends of the connecting seat 2 pass described sleeve pipe 1, and the upper end of connecting seat 2 passes part radially
Upper top surface that is horizontal-extending and just covering described sleeve pipe 1, opens up groove in the upper top surface of described sleeve pipe 1 and sets wherein close
Seal 5 so that the radial level extended surface of the connecting seat 2 plays waterproof action when pressing with the top surface of described sleeve pipe 1；Institute
The part that passes for stating the lower end of connecting seat 2 is additionally provided with the regular hexagon ladder chuck radially inside contracted compared with its upper end.
The stop-motion seat 3 is arranged at the lower end of connecting seat 2 and heart position is provided with and matched just with ladder chuck wherein
Hexagon bayonet socket, the stop-motion seat 3 also push against with the lower end of sleeve pipe 1.
In the present embodiment, three intervals are offered on the stop-motion seat 3 uniformly and are distributed in sinking on same circumference
Hole, and the counterbore is respectively positioned on the lower section of the bottom surface of sleeve pipe 1, by setting trip bolt 6 in counterbore to realize the stop
Seat 3 is fixedly connected with sleeve pipe 1.
In the present embodiment, the maximum outside diameter of the connecting seat 2 is identical with the maximum outside diameter of the stop-motion seat 3, in order to
The stress of the roof skin 01.
The installation process of pipeline connecting seat is as follows in the present embodiment：
Groove first is processed in the upper top surface of sleeve pipe 1, and the correct position on stop-motion seat 3 processes counterbore, then will
The lateral wall of sleeve pipe 1 and the roof skin 01 of surrounding are welded and fixed, and sealing ring 5 is then set in the groove of sleeve pipe 1, and along spiral shell
Connecting seat 2 is downwardly into sleeve pipe 1 by line so that the horizontal-extending circle of compression seal downwards 5 of connecting seat 2 is so as to playing waterproof
Effect；The lower end of stop-motion seat 3 and connecting seat 2 is connected together again, and by trip bolt 6 be sequentially inserted into counterbore and with sleeve pipe 1
Bottom is fixedly connected, and is finally respectively fixedly connected with tracheae 02 at the both ends of connecting seat 2 by pipe joint 03.
Due to not having the connection gap of horizontal direction between pipeline connecting seat and roof skin 01, therefore extraneous rainwater is difficult
Enter in equipment, be only the possibility to enter pipeline connecting seat by the gap between top surface on connecting seat 2 and sleeve pipe 1, and this implementation
Example is provided with sealing ring 5 at the gap position again, is fully able to stop that the erosion of extraneous rainwater is prevented.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits patent protection model of the present utility model
Enclose, for those skilled in the art, the utility model there can be various modifications and variations.In spirit of the present utility model
Within principle, every any improvement made using the utility model specification and accompanying drawing content or equivalent substitution, directly or
Other related technical fields are used in indirectly, all should be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of pipeline connecting seat for pantograph on locomotive, it is characterised in that including sleeve pipe (1), connecting seat (2) and be used for
Prevent the stop-motion seat (3) that the connecting seat (2) rotates, the axis of three be located along the same line and with the top cover of locomotive
Covering (01) is vertically arranged；
The inner hollow of described sleeve pipe (1) and internal thread is provided with, it is outside to be fixedly connected with the roof skin (01), the company
The main body of joint chair (2) is provided with externally threaded cylinder and is arranged in described sleeve pipe (1), described sleeve pipe (1) and connecting seat (2)
It is fixedly connected by the internal and external screw thread to match, the both ends of the connecting seat (2) pass described sleeve pipe (1), the connecting seat
(2) the upper top surface for passing partly radially horizontal-extending and at least part and covering described sleeve pipe (1) of upper end, described sleeve pipe
(1) lower end and the stop-motion seat (3) are pushed against or are fixedly connected, the connecting seat (2) lower end pass part be provided with
Its upper end is provided with and the rank compared to the non-circular ladder chuck radially inside contracted in the center of the stop-motion seat (3)
The bayonet socket of terraced chuck matching, also set up in the inside of the connecting seat (2) for connecting pipe joint (03) and/or tracheae (02)
Internal thread.
2. pipeline connecting seat according to claim 1, it is characterised in that the material of described sleeve pipe (1) is that can be covered with top cover
The materials A of skin (01) melting welding, lateral wall and the roof skin (01) of described sleeve pipe (1) are welded and fixed, the material of the connecting seat (2)
Matter is the material B with static strength higher than the materials A and fatigue strength；
Or the material of described sleeve pipe (1) is can be with the materials A of roof skin (01) melting welding or with than the materials A more Gao Jingqiang
The material B of degree and fatigue strength, is provided with the overlap joint platform extended radially outward, institute on the lateral wall of described sleeve pipe (1)
The lower surface of overlap joint platform and the upper surface of roof skin (01) is stated to be brought into close contact and be connected between the two.
3. pipeline connecting seat according to claim 2, it is characterised in that the material of the stop-motion seat (3) is energy and top cover
The materials A of covering (01) melting welding, and the bottom surface of the stop-motion seat (3) and roof skin (01) is welded and fixed and/or the stop
Seat (3) and the bottom of sleeve pipe (1) are welded and fixed；
Or the material of the stop-motion seat (3) is can be with the materials A of roof skin (01) melting welding or with than the materials A more Gao Jing
The material B of intensity and fatigue strength, and be connected between the bottom of the stop-motion seat (3) and sleeve pipe (1) using trip bolt (6).
4. pipeline connecting seat according to claim 3, it is characterised in that the part that passes of connecting seat (2) upper end exists
After radially horizontal-extending, extend axially downward again until its upper surface with the roof skin (01), and
The contact position of the two is provided with the fluid sealant (4) for waterproof；The outward flange of the stop-motion seat (3) extends axially upward
Until it is contacted with the lower surface of the roof skin (01), and the contact position of the two is welded and fixed and/or is provided with use
In the fluid sealant (4) of waterproof.
5. pipeline connecting seat according to claim 3, it is characterised in that open up groove in the upper top surface of described sleeve pipe (1)
And sealing ring (5) is set wherein so that the radial level extended surface of the connecting seat (2) and the upper top surface of described sleeve pipe (1)
Waterproof action is played when pressing.
6. pipeline connecting seat according to claim 3, it is characterised in that it is described overlap joint platform by trip bolt (6) with
Roof skin (01) is fixedly connected；Or the lower surface of the overlap joint platform is provided with multiple downward projections, and covered in top cover
Skin offers the fixing hole that projection is corresponded to for clamping on (01).
7. pipeline connecting seat according to claim 6, it is characterised in that in the overlap joint platform and roof skin (01)
The fluid sealant (4) for waterproof is provided with link position.
8. pipeline connecting seat according to claim 7, it is characterised in that described sleeve pipe (1) and the company of roof skin (01)
Position is connect to be non-circular, the resistance for overcoming rotation can be provided to sleeve pipe by roof skin, to avoid being used for fastening connecting the two
Screw or other connectors are influenceed by shearing force.
9. pipeline connecting seat according to claim 3, it is characterised in that the materials A is aluminium alloy, and the material B is
One kind in carbon steel or stainless steel.
10. the pipeline connecting seat according to any one in claim 1~9, it is characterised in that the connecting seat (2)
Maximum outside diameter is identical with the maximum outside diameter of the stop-motion seat (3), in order to the stress of the roof skin (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185338.8U CN207140809U (en) | 2017-02-28 | 2017-02-28 | A kind of pipeline connecting seat for pantograph on locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185338.8U CN207140809U (en) | 2017-02-28 | 2017-02-28 | A kind of pipeline connecting seat for pantograph on locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207140809U true CN207140809U (en) | 2018-03-27 |
Family
ID=61657901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720185338.8U Withdrawn - After Issue CN207140809U (en) | 2017-02-28 | 2017-02-28 | A kind of pipeline connecting seat for pantograph on locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207140809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671788A (en) * | 2017-02-28 | 2017-05-17 | 株洲联诚集团有限责任公司 | Pipeline connection seat applied to pantograph type current collector on locomotive |
-
2017
- 2017-02-28 CN CN201720185338.8U patent/CN207140809U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671788A (en) * | 2017-02-28 | 2017-05-17 | 株洲联诚集团有限责任公司 | Pipeline connection seat applied to pantograph type current collector on locomotive |
| CN106671788B (en) * | 2017-02-28 | 2023-09-26 | 湖南联诚轨道装备有限公司 | Pipeline connecting seat for pantograph on locomotive |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230620 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412000 Hunan Province, Zhuzhou Shifeng District Tian Xin North Gate Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180327 Effective date of abandoning: 20230926 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180327 Effective date of abandoning: 20230926 |