CN203438882U - Overhead line system bracket device used in tunnel with small section - Google Patents
Overhead line system bracket device used in tunnel with small section Download PDFInfo
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- CN203438882U CN203438882U CN201320508485.6U CN201320508485U CN203438882U CN 203438882 U CN203438882 U CN 203438882U CN 201320508485 U CN201320508485 U CN 201320508485U CN 203438882 U CN203438882 U CN 203438882U
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- arm
- bracket
- steady
- tunnel
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- 210000000707 wrist Anatomy 0.000 claims description 30
- 239000002131 composite material Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
An overhead line system bracket device used in a tunnel with a small section comprises a horizontal bracket and two inclined brackets. One end of the inclined bracket I is connected with the left front portion of the horizontal bracket through bushing double lugs, the other end of the inclined bracket I is connected with a stand column I in the tunnel through a fixed base, the two ends of the inclined bracket II are connected with the horizontal bracket and a stand column II respectively, a forward locating device formed by a locating pipe I and a locating device I is arranged in the space between the inclined bracket I and the left front portion of the horizontal bracket, the dip angle alpha between the locating pipe I and the horizontal direction is 5 degrees, a reverse locating device formed by a locating pipe II and a locating device II is arranged in the space between the inclined bracket II and the right rear portion of the horizontal bracket, the length of the locating pipe II is 1590mm, the locating device II is arranged below the locating pipe II, and a locating wire clamp is arranged on the end portion of the locating device II. On the premise of guaranteeing the structural stability of an overhead line system bracket in the tunnel, the mounting space of the overhead line system bracket can be effectively reduced, an overhead line system can be mounted in the tunnel with the small section, a great amount of cost caused by tunnel improvement is saved, and railway transportation safety is guaranteed.
Description
Technical field
The utility model is the improvement to contact network in tunnel bracket apparatus structure, belongs to railway contact line applied technical field.
Background technology
Along with the fast development of railway in recent years, the work to electrification of existing railway, also sprawls and comes thereupon.Electrification of existing railway condition is poor, and tunnel is more, and the reserved electrified condition such as most of existing railway tunnel; Tunnel cross-section is many and section is little, is seriously restricting the development of electrified railway.The contact system tunnel universal installation code of Jing Gui institute of Ministry of Railways issue can not meet contact system installation requirement in narrow-bore tunnel.
Summary of the invention
In order to solve the technical matters of above-mentioned existence, it is a kind of for contact network cantilever device in narrow-bore tunnel that the utility model provides.
The purpose of this utility model is achieved through the following technical solutions: for contact network cantilever device in narrow-bore tunnel, it is characterized in that: comprise a Horizontal Cantilever and two oblique wrist and arm, composite insulator is installed respectively on Horizontal Cantilever and oblique wrist and arm, one end of oblique wrist and arm I is connected with the left front portion of Horizontal Cantilever by bushing double eye, point of connection anomaly bracket left part 600 ~ 750mm, the other end is connected with the column I in tunnel by firm banking, the two ends of oblique wrist and arm II are connected with Horizontal Cantilever and column II respectively, the point of connection anomaly bracket right part 150 ~ 250mm of oblique wrist and arm II and the right back portion of Horizontal Cantilever, in the space of oblique wrist and arm I and the left front portion of Horizontal Cantilever, be provided with by registration arm I, the positive registration device that steady arm I forms, oblique wrist and arm I is connected with one end of registration arm I by steady ring, the other end of registration arm I is connected with messenger wire by locator card, the end of messenger wire is connected with the Messenger Wire base of Horizontal Cantilever left part, the inclination alpha of registration arm I and horizontal direction is 5 °, registration arm I below is provided with steady arm I, steady arm I end is provided with steady ear, in the space of oblique wrist and arm II and the right back portion of Horizontal Cantilever, be provided with push off mode device, push off mode device consists of registration arm II, steady arm II, wherein oblique wrist and arm II is connected with registration arm II by steady ring, registration arm II is connected with the right part of Horizontal Cantilever by cantilever support pipe, the length of registration arm II is 1590mm, registration arm II below is provided with steady arm II, and steady arm II end is provided with steady ear.
The beneficial effects of the utility model: the utility model adopts said structure, the registration arm I of positive registration device and horizontal direction angle are set to 5 °, the registration arm II of push off mode device is selected 1590mm, meeting under the stable prerequisite of contact network in tunnel cantilever structure, can effectively reduce the installing space of contact network cantilever, contact system can be installed in narrow-bore tunnel, saved the expense that a large amount of transformation tunnels produces, and guarantee safety of railway traffic.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure 1, oblique wrist and arm I; 2, oblique wrist and arm II, 3, Horizontal Cantilever; 4, bushing double eye; 5, firm banking; 6, column I; 7, column II; 8, registration arm I; 9, steady arm I; 10, steady ring; 11, locator card; 12, messenger wire; 13, Messenger Wire base; 14, steady ear; 15, registration arm II; 16, steady arm II; 17, cantilever support pipe; 18, connecting clamp; 19, composite insulator.
The specific embodiment
Application state of the present utility model as shown in Figure 1, in figure, S is tunnel inside lining, M is tunnel line of centers, L is central lines of track/pantograph line of centers, this bracket device comprises a Horizontal Cantilever 3 and two oblique wrist and arm, composite insulator 19 is installed respectively on Horizontal Cantilever and oblique wrist and arm, one end of oblique wrist and arm I 1 is connected with the left front portion of Horizontal Cantilever by bushing double eye 4, point of connection A anomaly bracket left part 600 ~ 750mm, the other end is connected with the column I 6 in tunnel by firm banking 5, one end of oblique wrist and arm II 2 is connected with the right front portion of Horizontal Cantilever 3 by bushing double eye 4, the other end of oblique wrist and arm II 2 is connected with column II 7 by firm banking 5, the point of connection B anomaly bracket right part 150 ~ 250mm of oblique wrist and arm II 2 and Horizontal Cantilever 3 right back portions, in the space of oblique wrist and arm I 1 and Horizontal Cantilever 3 left front portions, be provided with by registration arm I 8, the positive registration device that steady arm I 9 forms, oblique wrist and arm I 1 is connected with one end of registration arm I 8 by steady ring 10, the other end of registration arm I 8 is connected with messenger wire 12 by locator card 11, the end of messenger wire 12 is connected with the Messenger Wire base 13 of Horizontal Cantilever 3 left parts, registration arm I 8 is 5 ° with the inclination alpha of horizontal direction, registration arm I 8 belows are provided with steady arm I 9, steady arm I 9 ends are provided with steady ear 14, in the space of oblique wrist and arm II 2 and Horizontal Cantilever 3 right back portions, be provided with push off mode device, push off mode device consists of registration arm II 15, steady arm II 16, wherein oblique wrist and arm II 2 is connected with registration arm II 15 by steady ring 10, registration arm II 15 is connected with the right part of Horizontal Cantilever 3 by cantilever support pipe 17, connecting clamp 18, the length of registration arm II 15 is 1590 mm, registration arm II 15 belows are provided with steady arm II 16, and steady arm II 16 ends are provided with steady ear 14.
Claims (1)
1. for contact network cantilever device in narrow-bore tunnel, it is characterized in that: comprise a Horizontal Cantilever and two oblique wrist and arm, composite insulator is installed respectively on Horizontal Cantilever and oblique wrist and arm, one end of oblique wrist and arm I is connected with the left front portion of Horizontal Cantilever by bushing double eye, point of connection anomaly bracket left part 600 ~ 750mm, the other end is connected with the column I in tunnel by firm banking, the two ends of oblique wrist and arm II are connected with Horizontal Cantilever and column II respectively, the point of connection anomaly bracket right part 150 ~ 250mm of oblique wrist and arm II and the right back portion of Horizontal Cantilever, in the space of oblique wrist and arm I and the left front portion of Horizontal Cantilever, be provided with by registration arm I, the positive registration device that steady arm I forms, oblique wrist and arm I is connected with one end of registration arm I by steady ring, the other end of registration arm I is connected with messenger wire by locator card, the end of messenger wire is connected with the Messenger Wire base of Horizontal Cantilever left part, the inclination alpha of registration arm I and horizontal direction is 5 °, registration arm I below is provided with steady arm I, steady arm I end is provided with steady ear, in the space of oblique wrist and arm II and the right back portion of Horizontal Cantilever, be provided with push off mode device, push off mode device consists of registration arm II, steady arm II, wherein oblique wrist and arm II is connected with registration arm II by steady ring, registration arm II is connected with the right part of Horizontal Cantilever by cantilever support pipe, the length of registration arm II is 1590mm, registration arm II below is provided with steady arm II, and steady arm II end is provided with steady ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320508485.6U CN203438882U (en) | 2013-08-20 | 2013-08-20 | Overhead line system bracket device used in tunnel with small section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320508485.6U CN203438882U (en) | 2013-08-20 | 2013-08-20 | Overhead line system bracket device used in tunnel with small section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438882U true CN203438882U (en) | 2014-02-19 |
Family
ID=50089954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320508485.6U Expired - Fee Related CN203438882U (en) | 2013-08-20 | 2013-08-20 | Overhead line system bracket device used in tunnel with small section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438882U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057841A (en) * | 2014-06-27 | 2014-09-24 | 中铁电气化局集团宝鸡器材有限公司 | Low-clearance tunnel cantilever positioning device |
| CN106740276A (en) * | 2016-12-30 | 2017-05-31 | 铁道第三勘察设计院集团有限公司 | A kind of inclined cantilever positioning vertical column |
| CN110653781A (en) * | 2019-09-19 | 2020-01-07 | 中铁第四勘察设计院集团有限公司 | Single-column bilateral type power-concentrated motor train unit head train maintenance operation platform |
-
2013
- 2013-08-20 CN CN201320508485.6U patent/CN203438882U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057841A (en) * | 2014-06-27 | 2014-09-24 | 中铁电气化局集团宝鸡器材有限公司 | Low-clearance tunnel cantilever positioning device |
| CN104057841B (en) * | 2014-06-27 | 2016-05-11 | 中铁电气化局集团宝鸡器材有限公司 | Low headroom tunnel cantilever positioning device |
| CN106740276A (en) * | 2016-12-30 | 2017-05-31 | 铁道第三勘察设计院集团有限公司 | A kind of inclined cantilever positioning vertical column |
| CN106740276B (en) * | 2016-12-30 | 2023-07-14 | 中国国家铁路集团有限公司 | Positioning upright post for inclined cantilever |
| CN110653781A (en) * | 2019-09-19 | 2020-01-07 | 中铁第四勘察设计院集团有限公司 | Single-column bilateral type power-concentrated motor train unit head train maintenance operation platform |
| CN110653781B (en) * | 2019-09-19 | 2024-10-11 | 中铁第四勘察设计院集团有限公司 | Single-column double-side type power centralized motor train unit head car overhauling operation platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 |