CN113525185A - Novel subway main line rigid contact net busbar frame construction method - Google Patents
Novel subway main line rigid contact net busbar frame construction method Download PDFInfo
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- CN113525185A CN113525185A CN202110949741.4A CN202110949741A CN113525185A CN 113525185 A CN113525185 A CN 113525185A CN 202110949741 A CN202110949741 A CN 202110949741A CN 113525185 A CN113525185 A CN 113525185A
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- busbar
- main line
- bus
- rigid contact
- contact net
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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
- B60M1/28—Manufacturing or repairing trolley lines
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
The invention relates to a novel subway main line rigid contact net busbar frame construction method, which comprises a calculation method and an installation method, and the novel subway main line rigid contact net busbar frame construction method comprises the following process flows: construction preparation, busbar calculation, installation and adjustment of channel steel and insulating assemblies, busbar arrangement prevention, busbar arrangement hanging, busbar error calculation, busbar butt joint and fastening. The invention has the beneficial effects that: according to the novel construction method for the bus bar frame of the subway main line rigid contact net, the problems of long construction time and accumulated errors of the whole anchor section of the traditional bus bar are solved by adopting the cooperation of calculation before construction and sequence conversion in the construction process, the construction quality of the bus bar frame of the contact net is improved, the construction period of the bus bar frame is shortened, the labor is saved, and the labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of bus bar erection of rigid contact networks of subway main lines, in particular to a novel construction method of bus bar erection of rigid contact networks of subway main lines.
Background
The subway rigid contact net mainly comprises an aluminum alloy busbar, a contact wire, an insulator and a suspension device, and the general construction technical requirements of busbar erection are as follows: the distance between the terminal and the adjacent suspension positioning point is 1800 mm; the construction error is (-100, + 200) mm; the connecting end seam of the bus bar middle joint is not more than 1mm, and is not less than 500mm away from the adjacent suspension point and is not positioned in the span; the whole anchor section of busbar installation is the S type for the circuit center and arranges, and subway rigidity contact net needs use the busbar frame to support when the installation, and the busbar frame need be installed according to the installation method, just can install the assigned position.
The traditional bus bar erecting method comprises the following steps: firstly, installing and fixing bus bar terminals or sectional insulators, and then carrying out one-to-one butt joint installation on bus bars according to a construction table; the method usually accumulates the construction error of the whole anchor section to the end of the anchor section, and even the phenomenon of insufficient terminal exposure can occur.
Therefore, a novel method for constructing a bus bar frame of a subway main line rigid contact net needs to be designed aiming at the problems.
Disclosure of Invention
The invention aims to provide a novel subway main line rigid contact net busbar frame construction method, aiming at solving the problems that the traditional busbar frame construction method provided in the background technology is as follows: firstly, installing and fixing bus bar terminals or sectional insulators, and then carrying out one-to-one butt joint installation on bus bars according to a construction table; the method usually accumulates the construction error of the whole anchor section to the end of the anchor section, and even has the problem of insufficient exposed terminal.
In order to achieve the purpose, the invention provides the following technical scheme: a novel subway main line rigid contact net busbar frame construction method comprises a calculation method and an installation method, and the novel subway main line rigid contact net busbar frame construction method comprises the following process flows: construction preparation, busbar calculation, installation and adjustment of channel steel and insulating assemblies, busbar arrangement prevention, busbar arrangement hanging, busbar error calculation, busbar butt joint and fastening.
Preferably, the calculation method of the novel construction method for erecting the bus bar of the rigid overhead line system of the subway main line comprises the following steps: and carrying out field measurement according to a plane layout diagram of the positive line rigid catenary provided by design, and recording field measurement span data to carry out busbar calculation.
Preferably, the calculation content of the calculation method includes:
calculating the number of the required busbars according to the length of the anchor section;
calculating the number and size of the prefabricated busbars according to the span length;
and thirdly, manufacturing the length and the number of the required bus bars into a construction table in sequence.
Preferably, the installation method of the novel subway main line rigid contact net busbar frame construction method comprises five steps:
the first step is: the height of the hanging channel steel is adjusted to the theoretical height and the theoretical pull-out value, and the error influence caused by left-right adjustment after the bus bar is erected is reduced.
Preferably, the second step of the installation method is: and arranging the busbars along the lines in sequence according to the busbar installation construction table obtained by calculation.
Preferably, the third step of the installation method is: and installing a bus bar terminal or a sectional insulator, wherein the bus bar terminal is exposed and installed according to the standard of 1.8 meters.
Preferably, the fourth step of the installation method is: the bus is hung, the elastic insulation assembly is embedded on the bus by personnel at the lower part, the bus is hung on the suspension channel steel in sequence from the anchor lifting position, the insulation suspension assembly is fixed on the suspension channel steel, when the bus is hung on the last bus, the length of the current needed last bus is measured to be accurate to a millimeter after the bus terminal at the anchor falling position is fixed according to the length of the bus exposed by 1.8 meters, the difference is calculated according to the length of the bus planned to be used as the difference, the difference is the installation length error of the anchor bus, and the last bus is hung after the measurement is completed.
Preferably, the fifth step of the installation method is: and (3) butting the busbars, dividing the error of the installation length of the busbars by 2 to obtain an error which is required to be distributed at two ends of the anchor section, adjusting the error to the exposed parts of the busbar terminals at two sides, finally fixing the busbar terminals, and sequentially butting and fastening the busbars by using a quick busbar butting device.
Compared with the prior art, the invention has the beneficial effects that:
1. by adopting the cooperation of calculation before construction and sequence conversion in the construction process, the problems of long time for erecting the traditional busbar and accumulated error of the whole anchor section are solved, the construction quality for erecting the contact network busbar is improved, the construction period for erecting the busbar is shortened, the labor is saved, and the labor cost is reduced.
Drawings
Fig. 1 is a process flow diagram of a novel subway main line rigid contact net busbar frame construction method of the invention;
fig. 2 is a busbar calculation table of the novel method for constructing the busbar frame of the rigid catenary of the subway main line.
Detailed Description
As shown in fig. 1 to 2, the present invention provides a technical solution: a novel subway main line rigid contact net busbar frame construction method comprises a calculation method and an installation method, and the novel subway main line rigid contact net busbar frame construction method comprises the following process flows: construction preparation, busbar calculation, installation and adjustment of channel steel and insulating assemblies, busbar arrangement prevention, busbar arrangement hanging, busbar error calculation, busbar butt joint and fastening.
As shown in fig. 2, the calculation method of the novel construction method for erecting the bus bar of the rigid overhead line of the subway main line comprises the following steps: according to a positive line rigid catenary plane layout diagram provided by design, carrying out field measurement, recording field measurement span data, and carrying out busbar calculation, wherein the calculation content of the calculation method comprises the following steps: calculating the number of the required busbars according to the length of the anchor section; calculating the number and size of the prefabricated busbars according to the span length; and thirdly, manufacturing the length and the number of the required bus bars into a construction table in sequence.
As shown in fig. 1 and 2, the installation method of the novel subway main line rigid catenary busbar frame construction method comprises five steps: the first step is: firstly, the height of the suspension channel steel is adjusted to a theoretical height and a theoretical pull-out value position, so that the error influence caused by left-right adjustment after the bus bar is erected is reduced; the second step of the installation method is as follows: arranging the busbars along the busbar installation construction table according to the calculation in sequence; the third step of the installation method is as follows: installing a busbar terminal or a sectional insulator, wherein the busbar terminal is exposed and installed according to the standard of 1.8 meters; the fourth step of the installation method is as follows: hanging busbars, embedding an elastic insulating assembly on the busbars by lower personnel, hanging the busbars in sequence from an anchor lifting position, fixing the insulating suspension assembly on a hanging channel steel, when hanging the busbars to the last busbar, firstly, installing and fixing a busbar terminal at an anchor falling position according to the length of 1.8 meters, measuring the length of the last busbar required currently, accurately calculating the length of the last busbar to be millimeter, performing difference calculation on the length of the busbar terminal and the length of the busbar planned originally, wherein the difference is an installation length error of the busbar at the anchor section, and hanging the last busbar after the measurement is finished; the fifth step of the installation method is as follows: butting the busbars, dividing the error of the installation length of the busbars by 2 to obtain an error which is required to be distributed at two ends of the anchor section, adjusting the error to the exposed parts of the busbar terminals at two sides, finally fixing the busbar terminals, and sequentially butting and fastening the busbars by using a quick busbar butting device; the fifth step of the installation method is as follows: and (3) butting the busbars, dividing the error of the installation length of the busbars by 2 to obtain an error which is required to be distributed at two ends of the anchor section, adjusting the error to the exposed parts of the busbar terminals at two sides, finally fixing the busbar terminals, and sequentially butting and fastening the busbars by using a quick busbar butting device.
The working principle is as follows: firstly, carrying out field measurement according to a plane layout diagram of a positive line rigid contact network provided by design, recording field measurement span data to carry out busbar calculation, then calculating the number of busbars required by the length of an anchor section, calculating the number and the size of busbars required to be prefabricated according to the span length, finally preparing a construction table (shown in figure 2) by the length and the number of the busbars required in sequence, then firstly adjusting the height of a suspension channel steel to a theoretical height and a theoretical pull-out value position, reducing the error influence caused by left and right adjustment after the busbars are erected, arranging the busbars along the line according to the calculated busbar installation construction table in sequence, installing busbar terminals or sectional insulators after the arrangement is finished, exposing the busbar terminals to be installed according to the standard of 1.8 meters, then, nesting elastic insulating components on the busbars by lower personnel, sequentially hanging the busbars from an anchor-up position and fixing the insulating suspension components on the suspension channel steel, when the last bus bar is hung, firstly, the bus bar terminal at the anchor falling position is installed and fixed according to the length of 1.8 meters exposed, the length of the last bus bar required at present is measured, the length is accurate to millimeter, difference calculation is carried out on the length of the bus bar used in the original plan, the difference value is the installation length error of the bus bar at the anchor section, after the measurement is completed, the last bus bar is hung, the installation length error of the bus bar is divided by 2, the error which is required to be distributed at two ends of the anchor section is obtained, the error is adjusted to the exposed parts of the bus bar terminals at two sides, the bus bar terminal is finally fixed, and bus bar butt joint and fastening are sequentially carried out by utilizing a bus bar quick butt joint device to butt joint the bus bars.
Claims (8)
1. The novel subway main line rigid contact net busbar frame construction method is characterized by comprising a calculation method and an installation method, and the novel subway main line rigid contact net busbar frame construction method comprises the following process flows: construction preparation, busbar calculation, installation and adjustment of channel steel and insulating assemblies, busbar arrangement prevention, busbar arrangement hanging, busbar error calculation, busbar butt joint and fastening.
2. The method for constructing the novel subway main line rigid contact network busbar frame according to claim 1, wherein the calculation method of the novel subway main line rigid contact network busbar frame construction method is as follows: and carrying out field measurement according to a plane layout diagram of the positive line rigid catenary provided by design, and recording field measurement span data to carry out busbar calculation.
3. The novel method for constructing the bus bar rack of the subway main line rigid overhead line system according to claim 2, wherein the calculation contents of the calculation method comprise:
calculating the number of the required busbars according to the length of the anchor section;
calculating the number and size of the prefabricated busbars according to the span length;
and thirdly, manufacturing the length and the number of the required bus bars into a construction table in sequence.
4. The novel method for constructing the bus bar rack of the subway main line rigid contact net according to claim 1, wherein the method for installing the novel method for constructing the bus bar rack of the subway main line rigid contact net comprises five steps:
the first step is: the height of the hanging channel steel is adjusted to the theoretical height and the theoretical pull-out value, and the error influence caused by left-right adjustment after the bus bar is erected is reduced.
5. The novel subway main line rigid contact net busbar frame construction method according to claim 4, wherein the installation method comprises the following second step: and arranging the busbars along the lines in sequence according to the busbar installation construction table obtained by calculation.
6. The novel subway main line rigid contact net busbar frame construction method according to claim 4, wherein the installation method comprises the third step of: and installing a bus bar terminal or a sectional insulator, wherein the bus bar terminal is exposed and installed according to the standard of 1.8 meters.
7. The novel subway main line rigid contact net busbar frame construction method according to claim 4, wherein the fourth step of the installation method is as follows: the bus is hung, the elastic insulation assembly is embedded on the bus by personnel at the lower part, the bus is hung on the suspension channel steel in sequence from the anchor lifting position, the insulation suspension assembly is fixed on the suspension channel steel, when the bus is hung on the last bus, the length of the current needed last bus is measured to be accurate to a millimeter after the bus terminal at the anchor falling position is fixed according to the length of the bus exposed by 1.8 meters, the difference is calculated according to the length of the bus planned to be used as the difference, the difference is the installation length error of the anchor bus, and the last bus is hung after the measurement is completed.
8. The novel subway main line rigid contact net busbar frame construction method according to claim 4, wherein the installation method comprises the fifth step of: and (3) butting the busbars, dividing the error of the installation length of the busbars by 2 to obtain an error which is required to be distributed at two ends of the anchor section, adjusting the error to the exposed parts of the busbar terminals at two sides, finally fixing the busbar terminals, and sequentially butting and fastening the busbars by using a quick busbar butting device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110949741.4A CN113525185A (en) | 2021-08-18 | 2021-08-18 | Novel subway main line rigid contact net busbar frame construction method |
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| CN202110949741.4A CN113525185A (en) | 2021-08-18 | 2021-08-18 | Novel subway main line rigid contact net busbar frame construction method |
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| CN113525185A true CN113525185A (en) | 2021-10-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0572868A1 (en) * | 1992-06-03 | 1993-12-08 | Siemens Aktiengesellschaft | Catenary wire support |
| CN105095598A (en) * | 2015-08-28 | 2015-11-25 | 中铁第一勘察设计院集团有限公司 | Construction method for graphic design drawing of overhead rigid catenary of metro |
| CN205871785U (en) * | 2016-07-25 | 2017-01-11 | 中国建筑第六工程局有限公司 | Subway rigid suspension contact net bearing structure |
| CN110606001A (en) * | 2019-07-05 | 2019-12-24 | 中铁十二局集团有限公司 | Mounting construction method for rigid contact network busbar of subway at 160km per hour |
-
2021
- 2021-08-18 CN CN202110949741.4A patent/CN113525185A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0572868A1 (en) * | 1992-06-03 | 1993-12-08 | Siemens Aktiengesellschaft | Catenary wire support |
| CN105095598A (en) * | 2015-08-28 | 2015-11-25 | 中铁第一勘察设计院集团有限公司 | Construction method for graphic design drawing of overhead rigid catenary of metro |
| CN205871785U (en) * | 2016-07-25 | 2017-01-11 | 中国建筑第六工程局有限公司 | Subway rigid suspension contact net bearing structure |
| CN110606001A (en) * | 2019-07-05 | 2019-12-24 | 中铁十二局集团有限公司 | Mounting construction method for rigid contact network busbar of subway at 160km per hour |
Non-Patent Citations (2)
| Title |
|---|
| 中铁电气化局集团公司宝鸡器材厂: "《https://www.docin.com/p-766651552.html 架空刚性悬挂汇流排及其配套零件安装使用说明》", 17 February 2014 * |
| 于新泉: "接触网刚性悬挂施工工艺", 《铁路工程造价管理》 * |
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