CN212667356U - Urban rail transit contact net engineering evacuation platform measuring trolley - Google Patents
Urban rail transit contact net engineering evacuation platform measuring trolley Download PDFInfo
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- CN212667356U CN212667356U CN202021392192.2U CN202021392192U CN212667356U CN 212667356 U CN212667356 U CN 212667356U CN 202021392192 U CN202021392192 U CN 202021392192U CN 212667356 U CN212667356 U CN 212667356U
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Abstract
The urban rail transit contact network engineering evacuation platform measuring trolley comprises a frame consisting of 4 sliding wheel pairs and support steel pipes; 4 limiting wheel pairs are arranged at the inner side positions of the steel rails of the frame, so that the vehicle body is prevented from deflecting, and the central line of the longitudinal support angle steel is always in a coincident position with the gauge/2; the joint of the lower end of the longitudinal support angle steel and the vehicle body needs to be arranged in a mode of moving left and right; laser range finder, digital level bar have been placed on the integrative horizontal angle steel with vertical angle steel for adjust the level and measure mark and data acquisition, wherein should ensure on afterbody and vertical support angle steel central line when laser range finder places, automobile body side sets up an adjusting bolt and is used for the level control.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit, concretely relates to urban rail transit contact net engineering evacuation platform measuring trolley.
Background
With the continuous acceleration of urbanization process in China and the rapid development of social economy, the population quantity of cities increases dramatically, subways are built in large and medium-sized cities to relieve and improve traffic tension, rail transit construction becomes the main form of infrastructure and urban traffic of the Chinese cities in the 21 st century, and the urban traffic is a historical choice and inevitable result. With the increasing acceptance of environmental protection and convenience of rail transit, the construction of urban rail transit in China has entered the golden development period.
The evacuation platform is a special channel which is arranged in the tunnel between the subways and is used for evacuating passengers. The height of the evacuation platform is consistent with that of the station platform (generally located 900mm above the rail surface), and once an accident occurs, the door can be opened immediately to organize passengers to evacuate to the nearby station from the evacuation platform. In the subway operation process, if an accident occurs in a tunnel, after a train is stopped stably, passengers can quickly leave an accident point by descending to an evacuation platform through a carriage door and safely arrive at a station or a safety access, so that the safety of the passengers is ensured; if an accident occurs on the platform, the passengers can descend to the evacuation platform through the evacuation door of the train cab and leave the platform quickly. Therefore, arranging the evacuation platform in the tunnel between the subway sections is an effective way to solve the problems.
The evacuation platform is used as an installation project of the contact net system, the construction period is often short, the installation project amount is large, and the standard requirement is high. The traditional measuring method adopts the transverse and vertical upright posts to match with the line weight for measurement, so that the manual interference factor is large, the measuring operation time is long, a plurality of auxiliary tools are provided, the measuring and positioning accuracy is low, the subway engineering operation space is narrow, the number of cross operations with other units is large, the operation space is efficiently utilized, the measuring operation efficiency and accuracy are improved, and the improvement of the measuring method is the problem which needs to be solved urgently at present.
Disclosure of Invention
The application aims at providing a measuring trolley which can slide on a rail by means of external force. The device has the advantages of simple structure, low cost, high measurement precision, high speed, simple and convenient use, and capability of synchronously measuring, positioning and collecting data to determine the model of the part.
Subway contact net engineering evacuation platform measurement dolly, its characterized in that: comprises a frame consisting of 4 sliding wheel pairs (1) and a supporting steel pipe; 4 limiting wheel pairs (1) are arranged at the inner side positions of the steel rails of the frame, so that the vehicle body is prevented from deflecting, and the central line of the longitudinal support angle steel (7) is always in a superposed position with the gauge 1/2; the joint of the lower end of the longitudinal support angle steel (7) and the vehicle body needs to be arranged in a mode of moving left and right; laser range finder (6) have been placed on horizontal angle steel (4) integrative with vertical support angle steel (7), digital level bar (5), be used for adjusting level and measurement mark and data acquisition, wherein should ensure when laser range finder (6) are placed on afterbody and vertical support angle steel (7) central line, the automobile body side sets up an adjusting bolt (3) and is used for the level control, adjust vertical support angle steel (7) when being in the curve section and make its perpendicular to circuit center all the time, horizontal angle steel (4) are on a parallel with the horizontal plane all the time.
Preferably, the limiting wheel pair (1) and the sliding wheel pair (2) are respectively positioned right above a steel rail and at the inner side of the steel rail, the digital level bar (5) is parallel to the transverse angle steel (4), the laser detector (6) is placed on the upper portion of the transverse angle steel (4), the tail portion of the laser detector (6) is positioned on the central line of the longitudinal support angle steel (7), the transverse angle steel (4) is always in a horizontal state through the adjusting bolt (3), whether laser emitted by the laser range finder is positioned above the steel rail or not is detected and measured through a steel tape, the horizontal distance from the central line of a line at the position of 900mm above the rail surface to the tunnel wall is measured through the laser range finder (6), a measuring mark is made at the position for guiding the height control standard of construction, data are synchronously recorded, and the width a value of the evacuation platform is determined through.
Preferably, the adjusting bolt (3) automatically adjusts in real time according to the measuring result of the digital level ruler (5), and the transverse angle steel (4) is kept parallel to the horizontal plane all the time.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
fig. 2 is a top view of the present application.
Description of reference numerals: in the figure, "S" is the distance from the edge of the evacuation platform plate to the center line of the line, and "a" is the width of the evacuation platform prefabricated plate and the bracket. The "a" value determination principle: and ensuring that the distance from the outer edge of the bracket to the central line of the line meets the limiting requirement S value. (the S value is a design value)
Detailed Description
The present application is further illustrated by the following examples.
As shown in fig. 1, the urban rail transit contact network engineering evacuation platform measuring trolley comprises a frame consisting of 4 sliding wheel pairs and supporting steel pipes; 4 limiting wheel pairs are arranged at the inner side positions of the steel rails of the frame, so that the vehicle body is prevented from deflecting, and the central line of the longitudinal support angle steel is always in a coincident position with the rail gauge 1/2 (the positioning and data acquisition are based on the centers of the two steel rails); the joint of the lower end of the longitudinal support angle steel and the vehicle body is required to be arranged in a mode of moving left and right (when the longitudinal support angle steel is positioned in a curve section, the longitudinal support angle steel is adjusted to be always vertical to the center of a line, and the transverse angle steel is always parallel to the horizontal plane); laser range finder, digital level bar have been placed on the integrative horizontal angle steel with vertical support angle steel for adjust level and measurement mark and data acquisition, wherein should ensure when laser range finder places that tail and vertical support angle steel central line are gone up (track gauge 1/2 department promptly), and the automobile body side sets up an adjusting bolt and is used for the level control.
The specific implementation mode is as follows: placing the trolley on a steel rail, checking that the limit wheel pair 1 and the sliding wheel pair 2 are respectively positioned right above the steel rail and at the inner side of the steel rail, placing the digital level bar 5 at the position of a transverse angle steel 4 as shown in the figure to ensure that the digital level bar is parallel to the transverse angle steel, placing the laser detector 6 at the position of the transverse angle steel 4 as shown in the figure to ensure that the tail part is positioned on the central line of a longitudinal support angle steel 7 (namely the track gauge 1/2), the horizontal angle steel 4 is adjusted to be always in a horizontal state through the adjusting bolt 3, a steel tape is used for detecting whether laser emitted by the laser range finder is positioned at a position 900mm above a steel rail (the value is a design value), after the steps are prepared, the laser range finder 6 is used for measuring the horizontal distance from the central line of the line at the position 900mm above the rail surface to the tunnel wall, a measuring mark is made at the position, and the height control standard is used for guiding construction, data are synchronously recorded, and the width a value of the evacuation platform is determined according to the S value.
This application is measured dolly simple structure, low in manufacturing cost, convenient operation, effectual work efficiency that has improved for the construction progress greatly, has reduced personnel's input, has reduced construction cost.
Although the present application has been described with reference to the preferred embodiments, it is not intended to limit the present application, and any person skilled in the art can make possible variations and modifications of the present application using the methods and technical content disclosed above without departing from the spirit and scope of the present application, and therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application shall fall within the scope of the present application.
Claims (3)
1. The utility model provides an urban rail transit contact net engineering evacuation platform measuring trolley which characterized in that: comprises a frame consisting of 4 sliding wheel pairs (2) and a supporting steel pipe; 4 limiting wheel pairs (1) are arranged at the inner side positions of the steel rails of the frame, so that the vehicle body is prevented from deflecting, and the central line of the longitudinal support angle steel (7) is always in a superposed position with the gauge 1/2; the joint of the lower end of the longitudinal support angle steel (7) and the vehicle body needs to be arranged in a mode of moving left and right; laser range finder (6) have been placed on horizontal angle steel (4) integrative with vertical support angle steel (7), digital level bar (5), be used for adjusting level and measurement mark and data acquisition, wherein should ensure when laser range finder (6) are placed on afterbody and vertical support angle steel (7) central line, the automobile body side sets up an adjusting bolt (3) and is used for the level control, adjust vertical support angle steel (7) when being in the curve section and make its perpendicular to circuit center all the time, horizontal angle steel (4) are on a parallel with the horizontal plane all the time.
2. The urban rail transit contact network engineering evacuation platform measuring trolley according to claim 1, characterized in that: the limiting wheel set (1) and the sliding wheel set (2) are respectively positioned right above a steel rail and at the inner side position of the steel rail, the digital level bar (5) is parallel to the transverse angle steel (4), the laser range finder (6) is arranged on the upper portion of the transverse angle steel (4), the tail portion of the laser range finder (6) is arranged on the central line of the longitudinal support angle steel (7), the transverse angle steel (4) is always in a horizontal state through the adjusting bolt (3), whether laser emitted by the laser range finder is positioned above the steel rail or not is detected and measured through a steel tape, the horizontal distance from the central line of a line at the position of 900mm above the rail surface to the tunnel wall is measured through the laser range finder (6), a measuring mark is made at the point, the height control standard for guiding construction is used, data are synchronously recorded, and the width a value of a platform.
3. The urban rail transit contact network engineering evacuation platform measuring trolley according to claim 1, characterized in that: the adjusting bolt (3) automatically adjusts in real time according to the measuring result of the digital level ruler (5), and the transverse angle steel (4) is kept parallel to the horizontal plane all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021392192.2U CN212667356U (en) | 2020-07-15 | 2020-07-15 | Urban rail transit contact net engineering evacuation platform measuring trolley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021392192.2U CN212667356U (en) | 2020-07-15 | 2020-07-15 | Urban rail transit contact net engineering evacuation platform measuring trolley |
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| CN212667356U true CN212667356U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089554A (en) * | 2024-04-18 | 2024-05-28 | 山东鼎昌复合材料有限公司 | Subway evacuation platform measurement equipment and method |
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2020
- 2020-07-15 CN CN202021392192.2U patent/CN212667356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089554A (en) * | 2024-04-18 | 2024-05-28 | 山东鼎昌复合材料有限公司 | Subway evacuation platform measurement equipment and method |
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