CN111121647A - Rail transit evacuation platform installation positioning measurement trolley and use method - Google Patents
Rail transit evacuation platform installation positioning measurement trolley and use method Download PDFInfo
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- CN111121647A CN111121647A CN202010034207.6A CN202010034207A CN111121647A CN 111121647 A CN111121647 A CN 111121647A CN 202010034207 A CN202010034207 A CN 202010034207A CN 111121647 A CN111121647 A CN 111121647A
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- trolley
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a positioning and measuring trolley for installing a rail transit evacuation platform and a using method thereof. By using the positioning and measuring trolley for installing the rail transit evacuation platform, the laser range finder is horizontally positioned by adjusting the upright stanchion and the lifting measuring table, the distance between the central line of the rail and the tunnel segment can be measured by using the laser range finder, and the processing width of the evacuation platform plate can be calculated according to the limit value given by design.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a positioning and measuring trolley for mounting a rail transit evacuation platform and a using method thereof.
Background
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 generally consistent with that of a station platform, and in the subway operation process, once an accident happens, a vehicle door can be opened immediately after a train is stopped stably, and passengers are instructed to evacuate to the nearby station from the evacuation platform. According to the functional requirements and the environment of the evacuation platform, the evacuation platform is developed through several stages such as a high-strength concrete evacuation platform, a steel structure evacuation platform and an RPC evacuation platform, and the evacuation platform is developed until the evacuation platform made of environment-friendly composite materials with the advantages of high strength, high rigidity, light weight, fire resistance, electric insulation, heat resistance, friction resistance, acid resistance, corrosion resistance, aging resistance, fatigue resistance and the like is developed, and is widely applied to the construction of subway evacuation platforms.
According to the specification of 16.0.3 in shield tunnel construction and acceptance Specification (GB50446-2017), the deviation of the plane position and the elevation of the axis of a subway tunnel reaches +/-100 mm, detection is carried out every 10 rings, and because of the local deviation of the section of the tunnel, in order to ensure that an installed evacuation platform meets the requirement of a limit and the line type is attractive, the actual limit of the tunnel needs to be measured at each support position of the evacuation platform before construction, the actual width required by the evacuation platform is calculated, and the evacuation platform is produced by a supplier in a customized mode. The conventional measurement method at present relies on a CPIII control network, a total station is used for setting a station according to the CPIII control network for measurement and lofting, track data are collected, the measured data and the track data are compared and analyzed to calculate the actual limit of a tunnel at an installation support, and then the actual width required by an evacuation platform at the installation support is calculated.
Disclosure of Invention
The invention aims to: aiming at the problems that the workload of measuring the actual width required by the installation of an evacuation platform in a tunnel is huge, professional measuring personnel needs to be configured, the data processing is complex and the like, the working efficiency is low, and the calculation error is easy to occur in the prior art, the track traffic evacuation platform installation positioning measurement trolley and the use method are provided.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a rail transit evacuation platform installation location measurement dolly, includes the dolly body that can follow the rail removal, be equipped with pole setting and regulator on the dolly body, the bottom of pole setting articulate in the dolly body, just the pole setting can be followed the rail transversely rotates, dolly body adaptation behind the rail, the bottom of pole setting is located two on the central line of rail top line, the regulator is used for adjusting the turned angle of pole setting, be equipped with the spirit level in the pole setting and can follow the lift measurement platform that its length direction removed, be equipped with laser range finder on the lift measurement platform.
By using the positioning and measuring trolley for installing the rail transit evacuation platform, the laser range finder is horizontally positioned by adjusting the upright stanchion and the lifting measuring table, the distance between the central line of the rail and the tunnel segment can be measured by using the laser range finder for distance measurement, and the processing width of the evacuation platform plate can be calculated according to the limit value given by design.
Preferably, the regulator comprises two telescopic rods which are oppositely arranged, the telescopic rods are transversely arranged along the steel rail, one end of each telescopic rod is connected to the trolley body, and the other end of each telescopic rod is connected to the vertical rod body.
Further preferably, the telescopic rod is a turn buckle.
Preferably, the trolley body is a frame, and the length of the frame is adapted to the distance between the two steel rails.
Preferably, the level is a level vial.
Preferably, be equipped with on the lift survey meter with the through-hole of pole setting cross section adaptation, the through-hole cover is located outside the pole setting, the lift survey meter pass through the fastener can dismantle connect in on the pole setting.
Further preferably, the fastener is a bolt, a screw hole is formed in the lifting measuring table, the bolt is connected to the screw hole in a threaded mode, and the end portion of the bolt can abut against the side wall of the vertical rod.
Preferably, the trolley body is provided with walking wheels, and the walking wheels are used for being matched with the top surfaces of the steel rails.
Further preferably, the trolley body is provided with a positioning wheel, and the positioning wheel is adapted to the inner side surface of the steel rail.
Further preferably, a driver is arranged on the trolley body and connected with the walking wheels, and the driver is used for driving the trolley body to move along the steel rail.
The invention also provides a use method of the rail transit evacuation platform installation positioning measurement trolley, which comprises the following steps:
A. arranging the trolley body on the steel rail without the superelevation, adjusting the verticality of the upright rod through the regulator, and determining that the upright rod is adjusted to be vertical to a track plane through the level gauge;
B. adjusting the lifting measuring platform on the upright rod to ensure that the heights of the laser range finder from the rail surface are equal when the laser range finder measures leftwards and rightwards, so as to determine that the platform surface of the lifting measuring platform is horizontally arranged;
C. the trolley body moves along the steel rail, the laser range finder measures the distance of each support position of the evacuation platform, records the number and the measurement distance of the tunnel pipe piece, and marks the pipe piece;
D. subtracting the design requirement limit distance according to the actual measurement distance of the laser range finder to obtain the width of each evacuation platform;
the trolley body enters a circular track curve and adjusts the verticality of the upright at least once, and the trolley body enters a track relaxation curve and adjusts the verticality of the upright once every 5-20 m.
Preferably, the trolley body enters a track easing curve, and the vertical degree of the vertical rod is adjusted once every 10 m.
Preferably, before the step a, the cart body is calibrated.
Preferably, in the step C, a dot is marked on the segment.
Preferably, in the step D, after the design requirement limit distance is subtracted from the measured distance, a safety margin is also subtracted.
Further preferably, the safe reserve is 3cm to 7 cm.
Further preferably, the safe reserve is 5 cm.
Preferably, after the step D, a platform plate and a support of the evacuation platform are manufactured according to the calculated width of the evacuation platform.
Further preferably, after the evacuation platform is installed, the limit of the evacuation platform is detected by using the rail transit evacuation platform installation positioning measurement trolley, so that the limit is ensured to meet the requirement and not to be invaded.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the track traffic evacuation platform installation positioning measurement trolley and the use method, the laser range finder is horizontally positioned by adjusting the upright rods and the lifting measurement platform, the distance between the track center line and a tunnel segment can be measured by using the laser range finder for distance measurement, and then the processing width of an evacuation platform plate can be calculated according to a limit value given by design;
2. the track traffic evacuation platform installation positioning measurement trolley and the use method thereof have the advantages that the structure is simple, the operation is convenient, common personnel can operate through simple bottom-crossing, generally only 3 persons are needed, 1 person adjusts the trolley to finish distance measurement, 1 person finishes positioning on a pipe piece according to a laser beam spot, 1 person records data, the data acquisition efficiency is high, and generally 1km of data acquisition can be finished every hour;
3. according to the track traffic evacuation platform installation positioning measurement trolley and the use method thereof, no professional survey personnel and a total station are required, so that the labor cost is saved and the use of measurement equipment is reduced;
4. according to the track traffic evacuation platform installation positioning measurement trolley and the use method thereof, the laser range finder has the advantages that data reading is fast, emitted laser is convenient to fix a point, the functions of displaying data in a backlight mode and recording data are achieved, the accuracy of data measurement is improved, and backlight display can be suitable for a dark environment with insufficient lighting;
5. according to the track traffic evacuation platform installation positioning measurement trolley and the use method, data acquired through measurement of the laser range finder only need to be simply added and subtracted, the data processing speed is high, and the accuracy is high;
6. according to the track traffic evacuation platform installation positioning measurement trolley and the use method thereof, the paved track is used as a basis, track data do not need to be acquired, and the workload is reduced.
Drawings
FIG. 1 is a schematic structural view of a positioning and measuring trolley installed on a rail transit evacuation platform according to the present invention;
FIG. 2 is a schematic view of the connection relationship between the trolley body and the vertical rod.
Icon: 1-a trolley body, 2-traveling wheels, 3-positioning wheels, 4-telescopic rods, 5-vertical rods, 6-a level meter, 7-a lifting measuring table and 8-a laser range finder.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-2, the positioning and measuring trolley for installing a rail transit evacuation platform according to the present invention comprises a trolley body 1 capable of moving along a steel rail.
The trolley body 1 is a rectangular frame, the length of the frame is matched with the distance between two steel rails, the frame is made of 3cm multiplied by 3mm galvanized square steel pipes, the size of the frame is 1.5m multiplied by 0.5m, four corners of the frame are respectively provided with a walking wheel 2 and a positioning wheel 3, the walking wheel 2 is matched with the top surfaces of the steel rails, the positioning wheel 3 is matched with the inner side surfaces of the steel rails to position the trolley body 1, the positioning wheel 3 is used for ensuring that the trolley body 1 does not jump when walking, and the trolley body 1 can be pushed manually.
The utility model discloses a trolley, including frame, rail, frame, pole setting 5, regulator, laser rangefinder 8, spirit level 6, particularly, spirit bubble appearance 6 is the horizontal bubble appearance, the crossbeam is equipped with pole setting 5 and regulator in the middle of the frame, the bottom of pole setting 5 articulate in the crossbeam, just pole setting 5 can be followed rail lateral rotation, 1 adaptation of dolly body behind the rail, the bottom of pole setting 5 is located two the central line of rail top line, the regulator is used for adjusting the turned angle of pole setting 5, can with pole setting 5 adjustment rotate with the central line coincidence, be equipped with spirit level 6 and the lift measurement platform 7 that can follow its length direction and remove in the pole setting 5, be equipped with laser rangefinder 8 on the lift measurement platform 7, spirit level 6 is used for the adjustment of the 5 vertical degrees of pole.
The regulator includes two relative flexible member 4 that set up, flexible member 4 is followed the rail is horizontal to be set up, the one end of flexible member 4 connect in dolly body 1, the other end connect in 5 poles of the body of pole setting, specifically, flexible member 4 is the turn buckle.
Be equipped with on lift measurement platform 7 with the through-hole of 5 cross section adaptations in pole setting, the through-hole cover is located outside pole setting 5, lift measurement platform 7 can dismantle through the fastener connect in on pole setting 5, specifically, the fastener is the bolt, be equipped with the screw on the lift measurement platform 7, bolt threaded connection in the screw, the tip of bolt can the butt in the lateral wall of pole setting 5.
The rail transit evacuation platform installation positioning measurement trolley is characterized in that the laser range finder 8 is horizontally positioned by adjusting the upright rods 5 and the lifting measurement platform 7, the laser range finder 8 is used for measuring the distance, the distance between a rail center line and a tunnel segment can be measured, and the processing width of an evacuation platform plate can be calculated according to a limit value given by design; the device has the advantages that the structure is simple, the operation is convenient, ordinary people can operate the device through simple intersection, generally only 3 people are needed, 1 person adjusts the trolley to finish distance measurement, 1 person finishes positioning on the duct piece according to the laser beam spot, 1 person records data, the data acquisition efficiency is high, and generally 1km of data acquisition can be finished every hour; professional measuring personnel and a total station do not need to be equipped, so that the labor cost and the use of measuring equipment are saved; the laser range finder 8 has the advantages that data reading is fast, emitted laser is convenient to fix points, the functions of displaying data in a backlight mode and recording data are achieved, the accuracy of data measurement is improved, and backlight display can be suitable for a dark environment with insufficient lighting; the data acquired by the laser range finder 8 only needs simple addition and subtraction, and the data processing speed is high and the accuracy is high; the paved track is used as a basis, the data of the track is not required to be collected, and the workload is reduced.
Example 2
The difference between the positioning and measuring trolley for installing the rail transit evacuation platform and the embodiment 1 is that in the embodiment, a driver is arranged on a trolley body 1 and connected with the traveling wheels 2, and the driver is used for driving the trolley body 1 to move along the steel rails.
Example 3
As shown in fig. 1-2, a method for using a positioning measurement trolley for installing a rail transit evacuation platform according to embodiment 1 or embodiment 2 of the present invention includes the following steps:
A. laying the steel rail in the tunnel pipe;
B. checking the machining size of the trolley body 1, checking the wheel track of the walking wheels 2, judging whether the four walking wheels 2 are on the same plane, judging whether the positioning wheels 3 meet the requirement of the track, and judging whether the connection of each part is firm;
C. arranging the trolley body 1 on the steel rail without superelevation, adjusting the verticality of the upright rod 5 through the regulator, and determining that the upright rod 5 is adjusted to be vertical to a track plane through the level gauge 6;
D. adjusting the lifting measuring platform 7 on the upright rod 5 to ensure that the heights of the laser range finder 8 from the rail surface are equal when the laser range finder measures leftwards and rightwards, so as to determine that the table surface of the lifting measuring platform 7 is horizontally arranged;
E. the trolley body 1 moves along the steel rail, the laser range finder 8 measures the distance of each support position of the evacuation platform, records the number and the measuring distance of tunnel segments, and marks points on the segments;
F. subtracting the design requirement limit distance and the safety reservation amount by 5cm according to the actual measurement distance of the laser range finder 8 to obtain the width of each evacuation platform;
G. customizing a platform plate and a bracket of the evacuation platform by a supplier according to the calculated evacuation platform width data serial number;
H. after the evacuation platform is installed, detecting the limit of the evacuation platform by using the rail transit evacuation platform installation positioning measurement trolley, and ensuring that the limit meets the requirement and does not invade the limit;
the trolley body 1 enters a circular track curve, the verticality of the upright rod 5 is adjusted at least once, the trolley body 1 enters a track relaxation curve, and the verticality of the upright rod 5 is adjusted once every 10 m.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a rail transit evacuation platform installation location measurement dolly, includes can follow dolly body (1) that the rail removed, its characterized in that, be equipped with pole setting (5) and regulator on dolly body (1), the bottom of pole setting (5) articulate in dolly body (1), just pole setting (5) can be followed the rail lateral rotation, dolly body (1) adaptation behind the rail, the bottom of pole setting (5) is located two on the central line of rail top line, the regulator is used for the adjustment the turned angle of pole setting (5), be equipped with spirit level (6) and lift measuring station (7) that can follow its length direction and remove on pole setting (5), be equipped with laser range finder (8) on lift measuring station (7).
2. The positioning and measuring trolley according to claim 1, characterized in that the regulator comprises two opposite telescopic rods (4), the telescopic rods (4) are arranged transversely to the steel rail, one end of the telescopic rods (4) is connected to the trolley body (1), and the other end is connected to the vertical rod (5).
3. The positioning and measuring trolley according to claim 2, characterized in that the telescopic rod (4) is a turn-buckle.
4. The positioning measuring trolley according to claim 1, characterized in that the trolley body (1) is a frame, the length of which is adapted to the distance between two of the rails.
5. The positioning and measuring trolley according to claim 1, wherein the elevation measuring table (7) is provided with a through hole adapted to the cross section of the upright (5), the through hole is sleeved outside the upright (5), and the elevation measuring table (7) is detachably connected to the upright (5) through a fastener.
6. The positioning and measuring trolley according to any one of claims 1-5, wherein the trolley body (1) is provided with running wheels (2), and the running wheels (2) are adapted to the top surface of the steel rail.
7. The positioning and measuring trolley according to claim 6, characterized in that the trolley body (1) is provided with positioning wheels (3), and the positioning wheels (3) are adapted to the inner side surfaces of the steel rails.
8. The positioning and measuring trolley according to claim 6, characterized in that the trolley body (1) is provided with a drive, the drive is connected with the running wheels (2), and the drive is used for driving the trolley body (1) to move along the steel rails.
9. Use of a rail transit evacuation platform installation positioning measurement trolley according to any of claims 1-8, comprising the steps of:
A. arranging the trolley body (1) on the steel rail without the superelevation, adjusting the verticality of the upright rod (5) through the regulator, and determining that the upright rod (5) is adjusted to be vertical to a track plane through the level gauge (6);
B. adjusting the lifting measuring platform (7) on the upright rod (5) to ensure that the heights of the laser range finder (8) from the rail surface are equal when the laser range finder measures leftwards and rightwards, so as to determine the horizontal arrangement of the table surface of the lifting measuring platform (7);
C. the trolley body (1) moves along the steel rail, the laser range finder (8) measures the distance of each support position of the evacuation platform, records the number and the measurement distance of a tunnel pipe piece, and marks the pipe piece;
D. subtracting the design requirement limit distance according to the actual measurement distance of the laser range finder (8) to obtain the width of each evacuation platform;
the trolley body (1) enters a circular track curve, the verticality of the upright rod (5) is adjusted at least once, the trolley body (1) enters a track relaxation curve, and the verticality of the upright rod (5) is adjusted once every 5-20 m.
10. The use method according to claim 9, wherein in step D, a safety margin is subtracted from the measured distance minus the design requirement limit distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034207.6A CN111121647A (en) | 2020-01-13 | 2020-01-13 | Rail transit evacuation platform installation positioning measurement trolley and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010034207.6A CN111121647A (en) | 2020-01-13 | 2020-01-13 | Rail transit evacuation platform installation positioning measurement trolley and use method |
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| CN111121647A true CN111121647A (en) | 2020-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284460A (en) * | 2020-11-25 | 2021-01-29 | 中铁五局集团有限公司 | Subway evacuation platform limit detection device and using method thereof |
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2020
- 2020-01-13 CN CN202010034207.6A patent/CN111121647A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284460A (en) * | 2020-11-25 | 2021-01-29 | 中铁五局集团有限公司 | Subway evacuation platform limit detection device and using method thereof |
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