CN109606206B - Overhead rigid contact net cantilever supporting device of low headroom tunnel - Google Patents
Overhead rigid contact net cantilever supporting device of low headroom tunnel Download PDFInfo
- Publication number
- CN109606206B CN109606206B CN201910002401.3A CN201910002401A CN109606206B CN 109606206 B CN109606206 B CN 109606206B CN 201910002401 A CN201910002401 A CN 201910002401A CN 109606206 B CN109606206 B CN 109606206B
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- adjusting
- support
- seat
- hole
- hanging
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- 239000000725 suspension Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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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
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a cantilever support device of a low-clearance tunnel overhead rigid contact net, which comprises a support base (1) fixedly arranged on a tunnel wall, wherein a support frame (2) is movably connected to the support base (1), the support frame (2) is obliquely arranged along a tunnel vault, an insulating part (3) is connected to the end part of the support frame (2), an adjusting bracket (4) is connected to the insulating part (3), and a suspension clamp (5) capable of moving and adjusting on the adjusting bracket (4) is arranged on the adjusting bracket (4); the supporting frame is obliquely arranged along the vault of the tunnel to enable the whole device to be in an arc shape, so that the installation space of a low-clearance tunnel can be met, the function of being even higher than that of the existing cantilever supporting device can be achieved, the structure is simple, and the installation process is simplified.
Description
Technical Field
The invention relates to the technical field of overhead rigid contact net suspension systems of urban rail transit, in particular to a cantilever support device of a low-clearance tunnel overhead rigid contact net.
Background
In the overhead rigid contact net suspension system for urban rail transit, a cantilever supporting device is fixed on the tunnel wall and used for supporting a suspension wire clamp fixture. Along with the continuous development of urban rail transit, in order to save engineering cost, tunnel headroom is continuously reduced, requirements on overhead rigid contact net suspension systems are higher and higher, the cantilever support is suitable for larger headroom at present, and the installation of the overhead rigid contact net suspension systems under low headroom cannot be met, so that the design of the overhead rigid contact net cantilever support device meeting the low headroom tunnel is imperative.
Disclosure of Invention
The invention provides an ultra-low net tunnel overhead rigid contact net cantilever supporting device, which solves the problems of larger installation space, inconvenient installation and the like of the existing cantilever supporting device. The overhead rigid contact net cantilever supporting device under the low clearance condition is simple in structure, convenient to install, stable and reliable in performance, capable of meeting the installation space of a low clearance tunnel, achieving the function even higher than that of the existing cantilever supporting device, meeting the running requirement of urban rail transit and convenient to adjust.
The utility model provides a low headroom tunnel overhead rigid contact net cantilever strutting arrangement, includes the support base of fixed mounting on the tunnel wall support the base on swing joint have the support frame, the support frame set up along tunnel vault slope support frame end connection have an insulating part the insulating part on be connected with the regulation support on be equipped with the suspension clamp that can remove the regulation on the regulation support.
Further, an adjusting support capable of adjusting the inclination angle of the support frame is arranged between the support base and the support frame; the adjusting support comprises a mounting seat connected with a supporting base, an adjusting seat which is provided with an installing support frame and can adjust the inclination angle of the supporting frame is arranged on the mounting seat, the supporting seat is provided with a convex supporting surface, the supporting surface comprises two cambered surfaces and a plane positioned between the two cambered surfaces, a pair of connecting holes are formed in the position of the plane, the adjusting seat is arranged on the supporting surface, the adjusting seat is provided with an arc concave surface matched with the supporting surface, the adjusting seat is provided with a strip-shaped hole matched with the connecting holes, and a hinge column of the installing support frame is further arranged on the adjusting seat.
Further, the support base include fixed bottom plate and the connection bottom plate that is used for fixed support frame of fixed connection on the tunnel wall, fixed bottom plate and connection bottom plate be the contained angle setting.
Further, the adjusting direction of the adjusting seat is perpendicular to the moving direction of the supporting frame.
Furthermore, the support base is provided with special-shaped holes which are arranged in steps and can adjust the installation height position of the support.
Further, the support frame include the activity setting sleeve on articulated post the sleeve on be equipped with and be the contained angle with the sleeve axis and set up the supporting beam keep away from sleeve one end and be equipped with the connecting plate of fixed insulating part.
Further, the adjusting bracket is provided with a limit groove and a guide groove which are arranged along the length direction of the adjusting bracket.
Further, the suspension clamp include the suspension seat be equipped with the screw thread through-hole internal thread be connected with the connecting axle, the connecting axle include regular hexagonal screw thread section and hang the section, regular hexagonal screw thread section and screw thread through-hole threaded connection regular hexagonal screw thread section on the cover be equipped with prevent connecting axle pivoted and prevent changeing the packing ring be equipped with the fixed bolt of fixed anti-rotating packing ring activity the connecting axle on still be equipped with the fastening nut that compresses tightly anti-rotating packing ring on the suspension seat on still be equipped with the stop bolt of arranging in the spacing inslot hang section activity and hang busbar anchor clamps.
Further, a guide sliding block arranged in the guide groove is arranged on one side, which is contacted with the adjusting bracket, of the suspension seat, and the guide sliding block is square; the mounting table is provided with a pair of locking holes, and the fixing bolts penetrate through the arc holes and are installed in the locking holes.
Further, busbar anchor clamps include clamp splice, lower clamp splice and busbar last clamp splice on be equipped with the suspension hole, hang the section and arrange in the suspension hole hang section and hang and be equipped with abrasionproof axle sleeve and abrasionproof packing ring between the hole, last clamp splice and lower clamp splice pass through bolted connection and press from both sides tight fixed busbar.
Compared with the prior art, the invention has the following beneficial effects:
1. the cantilever supporting device mainly comprises a supporting base, a rotary adjustable base, a supporting frame, an insulating part, an adjusting bracket and a hanging wire clamp, wherein the supporting frame and the adjusting bracket are connected through a bolt assembly, and the supporting frame is obliquely arranged along a tunnel vault to enable the whole device to be in an arch shape, so that the installation space of a low-clearance tunnel can be met, the function even higher than that of the existing cantilever supporting device can be achieved, the structure is simple, and the installation process is simplified.
2. The support base of the cantilever support device is manufactured by welding plates, is triangular in shape, is provided with the adjusting nut, can ensure that the connecting base plate is perpendicular to the rail surface, is provided with four special-shaped holes, can meet the requirement of up-and-down adjustment of +/-30 mm of cantilever support, and is simple and convenient to install, simple to adjust and high in construction efficiency.
3. The support frame of the cantilever support device is manufactured by adopting an aluminum alloy casting process, has the advantages of light weight, good performance, simple structure and the like, greatly reduces the installation clearance requirement by adopting an oblique upward arch structure, increases the limiting distance, reduces the influence on the change of a pull-out value in the process of displacement generated by expansion and contraction of the busbar clamp, and ensures the current-carrying stability of the pantograph.
4. This cantilever strutting arrangement's regulation support regulating plate adopts panel beating to bend the shaping, is provided with guide chute and spacing groove on the regulating plate, hangs the fastener accessible guide chute and carries out the value adjustment of pulling out, hangs the fastener simultaneously and cooperates to slider and guide way that its mount pad bottom set up in the installation, guarantees that the busbar is parallel with the regulation support to the regulating seat is provided with the circular arc slot hole, can realize regulating support and rail face parallel, avoids current regulation support to have to turn round the face phenomenon, leads to hanging the fastener atress unbalanced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the support base structure of the present invention;
FIG. 3 is a schematic view of the structure of the adjusting support of the present invention;
FIG. 4 is a schematic view of the mounting base structure of the present invention;
FIG. 5 is a schematic view and partial cross-sectional view of a fifth wheel of the present invention;
FIG. 6 is a schematic view of the structure of the support frame of the present invention;
FIG. 7 is a schematic diagram of a tuning direct structure of the present invention;
FIG. 8 is a schematic view of a suspension clamp of the present invention;
FIG. 9 is a partial cross-sectional view of a suspension clamp of the present invention;
FIG. 10 is a schematic view of the structure of the connecting shaft of the present invention;
FIG. 11 is a schematic view of an anti-rotation gasket of the present invention;
FIG. 12 is a schematic view of the suspension mount structure of the present invention;
FIG. 13 is a partial cross-sectional view of an upper clamp block of the present invention.
Detailed Description
The cantilever supporting device of the tunnel overhead rigid contact system shown in fig. 1 comprises a supporting base 1 arranged on the tunnel wall, wherein a supporting frame 2 is movably connected to the supporting base 1, an adjusting support 6 is arranged between the supporting frame 2 and the supporting base 1 in the embodiment, namely, the adjusting support 6 is arranged on the supporting base 1, and the supporting frame 2 is movably connected to the adjusting support 6. Wherein support base 1 installs on the tunnel wall in tunnel off-centre, and support frame 2 sets up along tunnel vault slope, thereby make full use of space can realize implementing the installation in low headroom tunnel, and wherein adjust support 6 can realize adjusting the angle of support frame 2 slope, if the design is accurate enough and not need when adjusting then can set up support frame 2 directly on support base 1, need not adjust support 6 and adjust. The one end that support frame 2 kept away from support base 1 is connected with insulating part 3, is connected with on insulating part 3 and adjusts support 4, is equipped with on adjusting support 4 and hangs fastener 5, hangs the position that fastener 5 can adjust along adjusting support 4 length direction, finally keeps hanging fastener 5 in tunnel central point in this general scheme and keeps perpendicular with the rail face.
The supporting base 1 shown in fig. 1 comprises a fixed bottom plate 1-1 and a connecting bottom plate 1-2, wherein the fixed bottom plate 1-1 is connected to a tunnel wall through bolts, the connecting bottom plate 1-2 is arranged at an included angle with the fixed bottom plate 1-1, the included angle is arranged to ensure that the connecting bottom plate 1-2 is kept perpendicular to a rail surface as much as possible after the fixed bottom plate 1-1 is fixed to the tunnel wall, and a reinforcing rib 1-4 is arranged between the fixed bottom plate 1-1 and the connecting bottom plate 1-2 in the embodiment, and the connecting bottom plate 1-2 and the fixed bottom plate 1-1 are connected through the reinforcing rib 1-4. When the support frame 2 is directly mounted on the connection base plate 1-2 without adjusting the support 6, the hinge rod is arranged on the connection base plate 1-2 to mount the support frame 2, and the support frame 2 can swing in the horizontal direction.
The adjusting support 6 shown in fig. 3 comprises a mounting seat 6-1 and an adjusting seat 6-4, the mounting seat 6-1 is fixedly connected with a connecting bottom plate 1-2, a supporting surface 6-2 is arranged on the mounting seat 6-1 as shown in fig. 4, the supporting surface 6-2 is arranged in a protruding mode on the mounting seat 6-1, the supporting surface 6-2 comprises two cambered surfaces 6-21 and a plane 6-22, the plane 6-22 is arranged between the cambered surfaces 6-21, a pair of connecting holes 6-3 are arranged at the position of the plane 6-22, the adjusting seat 6-4 is fixed on the supporting surface 6-2 through bolts and the connecting holes 6-3, a concave surface 6-5 matched with the supporting surface 6-2 is arranged on the adjusting seat 6-4 as shown in fig. 5, a strip-shaped hole 6-6 matched with the connecting holes 6-3 is also arranged on the adjusting seat 6-4, a hinge post 6-7 is also arranged on the adjusting seat 6-4, the supporting frame 2 is movably connected on the hinge post 6-7, the angle of the supporting frame 2 is well adjusted by the adjusting seat 6-4 along the cambered surface 6-21 of the supporting surface 6-2, the angle of the supporting frame 6-2 is well as the best adjusting seat is arranged on the supporting frame 6-4 through the adjusting seat. As shown in fig. 2, a group of special-shaped holes 1-3 are further arranged on the connection bottom plate 1-2, the special-shaped holes 1-3 are arranged in a step mode, the special-shaped holes 1-3 are holes connected by bolts when the installation seat 6-1 is fixed on the connection bottom plate 1-2 through the bolts, the position and the height of the whole adjusting support 6 can be changed by placing the bolts at different positions on the special-shaped holes 1-3, and therefore the overall position and the height of the supporting device connected to the adjusting support 6 can be adjusted.
As shown in FIG. 6, the supporting frame 2 comprises a sleeve 2-1 movably arranged on a hinge post 6-7, a supporting beam 2-2 is obliquely arranged on the sleeve 2-1 (the extending direction of the supporting beam is arranged at an included angle with the axis of the sleeve), a connecting plate 2-3 for fixing an insulating part 3 is arranged at one end, far away from the sleeve 2-1, of the supporting beam 2-2, and the axis of the sleeve 2-1 is kept parallel to the connecting plate 2-3 as much as possible.
The limiting groove 4-1 and the guide groove 4-2 are arranged on the adjusting bracket 4 as shown in fig. 7, and the limiting groove 4-1 and the guide groove 4-2 are arranged along the length direction of the adjusting bracket 4, so that the position of the suspension clamp 5 arranged on the adjusting bracket 4 can be adjusted along the length direction of the adjusting bracket 4.
The suspension clamp 5 shown in fig. 8 and 9 comprises a suspension seat 5-1, a threaded through hole 5-2 is formed in the suspension seat 5-1, a connecting shaft 5-3 is connected to the threaded through hole 5-2 in a threaded manner, the connecting shaft 5-3 shown in fig. 10 comprises a regular hexagonal threaded section 5-31 and a suspension section 5-32, the regular hexagonal threaded section 5-31 is connected with the threaded through hole 5-2 in a threaded manner, an anti-rotation gasket 5-4 for preventing the connecting shaft 5-3 from rotating is sleeved on the regular hexagonal threaded section 5-31, a fixing bolt 5-5 for fixing the anti-rotation gasket 5-4 is arranged on the suspension seat 5-1 in a movable manner, a fastening nut 5-6 for pressing the anti-rotation gasket 5-4 on the suspension seat 5-1 is further arranged on the connecting shaft 5-3, a limit bolt 5-7 arranged in the limit groove 4-1 is further arranged on the suspension seat 5-1, and a busbar clamp 5-8 is movably suspended on the suspension section 5-32.
As shown in FIG. 12, the hanging seat 5-1 is provided with a mounting table 5-10, the threaded through hole 5-2 penetrates through the mounting table 5-10, so that the contact length between the regular hexagonal threaded section 5-31 and the threaded through hole 5-2 can be increased, the installation of the connecting shaft 5-3 is more stable, the mounting table 5-10 is also provided with a pair of locking holes 5-11, and the locking holes 5-11 are provided with fixing bolts 5-5 for fixing the anti-rotation washers 5-4.
As shown in FIG. 11, a hexagonal hole 5-41 is arranged on the anti-rotation washer 5-4, the anti-rotation washer 5-4 is sleeved on the regular hexagonal threaded section 5-31 through the hexagonal hole 5-41, the anti-rotation washer 5-4 is fixed and then corresponds to a spanner for fixing the connecting shaft 5-3 to prevent rotation, in this embodiment, an arc-shaped hole 5-42 is arranged on the anti-rotation washer 5-4, because the anti-rotation washer 5-4 is matched with the regular hexagonal threaded section 5-31 through the hexagonal hole 5-41, the arc-shaped hole 5-42 can be matched with the locking hole 5-11 on the hanging seat 5-1 after the connecting shaft is adjusted to a proper angle, and the anti-rotation washer 5-4 cannot be matched with the locking hole 5-11 due to the fact that the anti-rotation washer 5-4 deflects a certain angle, and the fixing bolt 5-5 is connected to the locking hole 5-11 through the arc-shaped hole 5-42 to be screwed and then the anti-rotation washer 5-4 is fixed.
As shown in fig. 9 and 12, a guide block 5-9 movably disposed in the guide groove 4-2 is disposed at the contact side of the suspension seat 5-1 and the adjusting bracket 4, the guide block 5-9 is square and has a side length corresponding to the width of the guide groove 4-2, so that the guide block 5-9 also plays a role in preventing the suspension seat 5-1 from rotating. In this embodiment only one locking hole 5-11 may be provided if the arc-shaped hole 5-42 is long enough.
The busbar clamp 5-8 comprises an upper clamping block 5-81, a lower clamping block 5-82 and a busbar 5-83, wherein a hanging hole 5-84 is formed in the upper clamping block 5-81 as shown in fig. 13, a hanging section 5-32 is arranged in the hanging hole 5-84, an anti-abrasion shaft sleeve 7 and an anti-abrasion gasket 8 are arranged between the hanging section 5-32 and the hanging hole 5-84 as shown in fig. 9, and the upper clamping block 5-81 and the lower clamping block 5-82 are connected through bolts to clamp and fix the busbar 5-83.
Claims (5)
1. The utility model provides a low headroom tunnel overhead rigid contact net cantilever strutting arrangement, includes support base (1) of fixed mounting on the tunnel wall, its characterized in that: the support base (1) is movably connected with a support frame (2), the support frame (2) is obliquely arranged along a tunnel vault, the end part of the support frame (2) is connected with an insulating part (3), the insulating part (3) is connected with an adjusting bracket (4), and the adjusting bracket (4) is provided with a suspension clamp (5) which can be movably adjusted on the adjusting bracket (4); an adjusting support (6) capable of adjusting the inclination angle of the support frame (2) is arranged between the support base (1) and the support frame (2); the adjusting support (6) comprises a mounting seat (6-1) connected with the supporting base (1), an adjusting seat (6-4) which is provided with a mounting support frame (2) and can adjust the inclination angle of the support frame (2) is arranged on the mounting seat (6-1), a convex supporting surface (6-2) is arranged on the mounting seat (6-1), the supporting surface (6-2) comprises two cambered surfaces (6-21) and a plane (6-22) positioned between the two cambered surfaces (6-21), a pair of connecting holes (6-3) are arranged at the position of the plane (6-22), the adjusting seat (6-4) is arranged on the supporting surface (6-2), an arc-shaped concave surface (6-5) matched with the supporting surface (6-2) is arranged on the adjusting seat (6-4), a strip-shaped hole (6-6) matched with the connecting hole (6-3) is arranged on the adjusting seat (6-4), and a hinged support frame (6-7) is arranged on the adjusting seat (6-4); the support base (1) is provided with special-shaped holes (1-3) which are arranged in steps and can adjust the installation height position of the adjusting support (6); the adjusting bracket (4) is provided with a limit groove (4-1) and a guide groove (4-2) which are arranged along the length direction of the adjusting bracket (4); the hanging wire clamp (5) comprises a hanging seat (5-1), a threaded through hole (5-2) is formed in the hanging seat (5-1), a connecting shaft (5-3) is connected to the threaded through hole (5-2) in a threaded mode, the connecting shaft (5-3) comprises a regular hexagonal threaded section (5-31) and a hanging section (5-32), the regular hexagonal threaded section (5-31) is connected with the threaded through hole (5-2) in a threaded mode, an anti-rotation gasket (5-4) for preventing the connecting shaft (5-3) from rotating is sleeved on the regular hexagonal threaded section (5-31), a fixing bolt (5-5) for fixing the anti-rotation gasket (5-4) to move is arranged on the hanging seat (5-1), a fastening nut (5-6) for pressing the anti-rotation gasket (5-4) on the hanging seat (5-1) is further arranged on the connecting shaft (5-3), a limit groove (4) is further arranged on the hanging seat (5-1), and a movable busbar (5-8) is arranged in the limit groove (4-1), and the limit section (5-8) is limited by the movable busbar; a guide sliding block (5-9) arranged in the guide groove (4-2) is arranged at one side of the suspension seat (5-1) contacted with the adjusting bracket (4), and the guide sliding block (5-9) is square; the anti-rotation washer is characterized in that an installing table (5-10) is arranged on the hanging seat (5-1), the threaded through hole (5-2) penetrates through the installing table (5-10), a hexagonal hole (5-41) matched with the regular hexagonal threaded section (5-31) is formed in the anti-rotation washer (5-4), an arc-shaped hole (5-42) is further formed in the anti-rotation washer (5-4), a pair of locking holes (5-11) are formed in the installing table (5-10), and the fixing bolt (5-5) penetrates through the arc-shaped hole (5-42) and is installed in the locking hole (5-11).
2. The low headroom tunnel overhead rigid catenary cantilever support device of claim 1, wherein: the support base (1) comprises a fixed bottom plate (1-1) fixedly connected to the tunnel wall and a connecting bottom plate (1-2) used for fixing the support frame (2), wherein the fixed bottom plate (1-1) and the connecting bottom plate (1-2) are arranged in an included angle.
3. The low headroom tunnel overhead rigid catenary cantilever support device of claim 1, wherein: the adjusting direction of the adjusting seat (6-4) is mutually perpendicular to the moving direction of the supporting frame (2).
4. The low headroom tunnel overhead rigid catenary cantilever support device of claim 1, wherein: the support frame (2) comprises a sleeve (2-1) movably arranged on a hinged column (6-7), the sleeve (2-1) is provided with a support beam (2-2) which is arranged at an included angle with the axis of the sleeve (2-1), and one end, far away from the sleeve (2-1), of the support beam (2-2) is provided with a connecting plate (2-3) for fixing an insulating part (3).
5. The low headroom tunnel overhead rigid catenary cantilever support device of claim 1, wherein: the busbar clamp (5-8) comprises an upper clamping block (5-81), a lower clamping block (5-82) and a busbar (5-83), wherein a hanging hole (5-84) is formed in the upper clamping block (5-81), a hanging section (5-32) is arranged in the hanging hole (5-84), an anti-abrasion shaft sleeve (7) and an anti-abrasion gasket (8) are arranged between the hanging section (5-32) and the hanging hole (5-84), and the upper clamping block (5-81) and the lower clamping block (5-82) are connected through bolts to clamp and fix the busbar (5-83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002401.3A CN109606206B (en) | 2019-01-02 | 2019-01-02 | Overhead rigid contact net cantilever supporting device of low headroom tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002401.3A CN109606206B (en) | 2019-01-02 | 2019-01-02 | Overhead rigid contact net cantilever supporting device of low headroom tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109606206A CN109606206A (en) | 2019-04-12 |
| CN109606206B true CN109606206B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002401.3A Active CN109606206B (en) | 2019-01-02 | 2019-01-02 | Overhead rigid contact net cantilever supporting device of low headroom tunnel |
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| Country | Link |
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| CN (1) | CN109606206B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194080A (en) * | 2019-07-26 | 2019-09-03 | 中铁建电气化局集团轨道交通器材有限公司 | Railway traffic contact network support pole device |
| CN112590625B (en) * | 2020-12-29 | 2022-04-19 | 浙江旺隆轨道交通设备有限公司 | Suspension and fixation device for low-clearance rigid contact network busbar |
| CN113232555A (en) * | 2021-05-26 | 2021-08-10 | 中铁电气化勘测设计研究院有限公司 | Empty rail traction net |
| CN115158106A (en) * | 2022-07-20 | 2022-10-11 | 中铁十一局集团有限公司 | Contact net suspension structure |
| CN116605101B (en) * | 2023-07-20 | 2023-09-12 | 中铁建电气化局集团轨道交通器材有限公司 | Elastic damping positioning wire clamp |
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| CN204149889U (en) * | 2014-09-05 | 2015-02-11 | 江苏安荣电气设备有限公司 | A kind of rigid suspended steady ear |
| CN106740277A (en) * | 2017-02-22 | 2017-05-31 | 中铁电气化局集团宝鸡器材有限公司 | A kind of railway traffic contact network support meanss |
| CN207737142U (en) * | 2018-01-10 | 2018-08-17 | 河北宏光供电器材有限公司 | A kind of tunnel bus-bar adjustable elastic support |
| CN209381841U (en) * | 2019-01-02 | 2019-09-13 | 中铁高铁电气装备股份有限公司 | A kind of low headroom tunnel overheat rigid contact network cantilevered supporting arrangement |
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Effective date of registration: 20191212 Address after: 721013 No. 196 High-tech Avenue, Baoji High-tech Development Zone, Shaanxi Province Applicant after: CHINA RAILWAY HIGH-SPEED ELECTRIFICATION EQUIPMENT Co.,Ltd. Address before: 721006 196 hi tech Avenue, hi tech Development Zone, Shaanxi, Baoji Applicant before: CHINA RAILWAY HIGH-SPEED ELECTRIFICATION EQUIPMENT Co.,Ltd. Applicant before: China Railway Electric Industries Co.,Ltd. |
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