CN211006182U - Magnetic levitation track panel measuring device - Google Patents
Magnetic levitation track panel measuring device Download PDFInfo
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- CN211006182U CN211006182U CN201921316000.7U CN201921316000U CN211006182U CN 211006182 U CN211006182 U CN 211006182U CN 201921316000 U CN201921316000 U CN 201921316000U CN 211006182 U CN211006182 U CN 211006182U
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- prism
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Abstract
The utility model relates to a magnetism floats section of track measuring device, a serial communication port, which comprises a base, be equipped with rotatable prism on the base, be close to be equipped with breach portion on the base, breach portion and F rail cooperation, breach portion includes the side direction reference surface, with the parallel holding surface of horizontal plane, the holding surface with the side direction reference surface is mutually perpendicular. The application provides a magnetism floats section of track measuring device can make section of track measured data accurate, improves section of track installation accuracy.
Description
Technical Field
The utility model relates to a well low-speed magnetism floats track field, especially relates to a magnetism floats section of track measuring device.
Background
With the progress of Chinese science and technology, the Chinese rail transit is rapidly developed, and the maglev train is gradually planned to the construction of each urban traffic system. A magnetic levitation train is a train that is propelled by magnetic levitation force (i.e., attraction and repulsion of the magnets). The magnetic suspension train is suspended in the air by the magnetic force of the track when running, and is different from other trains in that the magnetic suspension train needs to contact the ground and bear the ground friction force and only needs to bear the resistance from the air when running, so that the speed of the magnetic suspension train is very high. At present, the magnetic suspension track structure mainly adopts a steel sleeper type, the track mainly comprises parts such as an induction plate, an F-shaped steel plate (also called an F rail), a steel sleeper, a fastener, a track bearing platform and the like from top to bottom, and the track panel is used as a unit to be integrally paved.
Because the requirement of magnetic levitation on the installation accuracy of the track is extremely high, the installation accuracy of the track panel after being paved must be adjusted, so that the track panel can adapt to and meet the requirements of magnetic levitation accuracy and safety.
The track panel positioning measurement mode that adopts at present mainly realizes through measuring the location benchmark hole, places the measurement frock on measuring the location benchmark hole, measures the space data of track panel again, then utilizes measurement software to carry out the analysis to data, calculates the error value of actual measurement data and design data for guide adjusts the direction and the displacement distance of track panel, thereby makes the actual installation data of track panel more press close to the design data of track panel, thereby accomplishes the precision adjustment of track panel.
The measuring and positioning reference hole is formed in the horizontal plane of the F rail and is a blind hole generally, so that foreign matters and rainwater can be easily accumulated in the positioning reference hole, the rainwater cannot be discharged in time, the measuring and positioning reference hole is easy to rust in the using process, the rail panel measuring data is inaccurate, and the rail mounting precision is influenced.
SUMMERY OF THE UTILITY MODEL
Solve the technical problem, an object of the utility model is to provide a magnetism floats section of track measuring device can make section of track measured data accurate, improves section of track installation accuracy.
The technical scheme of the utility model as follows:
a magnetic suspension track panel measuring device comprises a base,
the base is provided with a prism,
a notch part is arranged close to the base and matched with the F rail,
the notched portion includes a lateral reference surface,
and the supporting surface is parallel to the horizontal plane and is vertical to the lateral reference plane.
Preferably, a magnet is arranged in the base and close to the notch portion, and the magnet is used for providing an adsorption force for enabling the base to be attached to the F rail.
Preferably, the lateral reference plane and the support plane have a flatness error within ± 0.05 mm.
Preferably, the lateral reference surface is provided with a separating circular arc structure.
Preferably, the base is provided with a mounting hole for mounting the prism,
the magnetic suspension track panel measuring device further comprises a prism rod connected with the prism, and the prism rod is matched with the mounting hole.
Preferably, the base is provided with a locking piece for locking the prism rod.
Preferably, the mounting hole centre line coincides with the lateral reference plane.
Preferably, the base bottom does not contact the sleeper.
The utility model provides a magnetism floats section of track measuring device includes the base, is equipped with the prism on the base, is close to and is equipped with breach portion on the base, and breach portion and F rail cooperation, breach portion include the side direction reference surface, and with the parallel holding surface of horizontal plane, the holding surface is mutually perpendicular with the side direction reference surface. When the installation accuracy of the magnetic levitation track panel is to be measured, the notch part of the magnetic levitation track panel measuring device is matched with the F rail, the lateral reference surface is contacted with the inner side surface of the F rail, and the lateral reference surface is taken as a measuring reference in the horizontal direction of the F rail; the supporting surface is in contact with the sliding surface of the supporting wheel of the rail F, and the supporting surface is used as a measuring reference in the vertical direction of the rail F. In the measurement mode in the prior art, a reference hole on the horizontal plane of an F rail is used as a positioning reference, but the reference hole is easy to rust, so that the measured data is inaccurate, and the measurement precision is low. Compared with the prior art, the magnetic suspension track panel measuring device provided by the application is not easy to rust on the lateral reference surface and the supporting surface, the measuring interference factors are few, the track panel measuring data are accurate, and the track panel mounting precision is improved. Meanwhile, the measurement is convenient and fast, and the measurement efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a track panel configuration;
FIG. 2 is a schematic view of a positioning measurement coordinate system using positioning reference holes;
FIG. 3 is a top view of a track panel employing positioning fiducial holes;
FIG. 4 is a schematic structural diagram of a magnetic levitation track skeleton measuring device in this embodiment;
FIG. 5 is a schematic structural diagram of a base in the present embodiment;
FIG. 6 is a schematic view of the magnet and the separated arc structure in this embodiment;
fig. 7 is a schematic view of a positioning and measuring coordinate system of the magnetic levitation track skeleton measuring apparatus in this embodiment.
01. F, rail; 02. a sleeper; 03. positioning a reference hole; 04. a base; 05. a prism; 06. a notch portion; 07. a lateral reference plane; 08. a support surface; 09. a magnet; 10. separating the arc structures; 11. mounting holes; 12. a prism rod; 13. a fastener; 14. the inner side surface of the rail F; 15. supporting the wheel sliding surface.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the magnetic levitation track section comprises two sleepers 02 which are arranged in parallel on an F rail 01 and are used for connecting the two F rails 01, and the sleepers 02 and the F rails 01 are arranged vertically. The F rail 01 and sleeper 02 are fixedly connected.
As shown in fig. 2 and 3, the currently used track panel positioning and measuring method is mainly implemented by a positioning reference hole 03 on the horizontal plane of an F rail 01, a measuring coordinate system is established by the positioning reference hole 03, that is, the origin of coordinates is the center of the positioning reference hole 03, an X/Y/Z axis is established by the hole depth and the hole cross section, the spatial data of the track panel is measured, then the data is analyzed by using measuring software, the error value of the measured data and the design data is calculated, and the direction and the displacement distance of the track panel are adjusted according to the error value, so that the installation of the track panel is closer to the design data, and the installation accuracy of the track panel is ensured.
According to the positioning measurement mode, the positioning reference hole 03 is easy to rust in the using process, and the measurement precision is influenced. Meanwhile, in the measuring process, the positioning reference hole 03 needs to be aligned, so that the optical instrument measurement cannot be realized by using the positioning reference hole 03 in the train operation stage.
As shown in fig. 4 to 7, the utility model provides a magnetic levitation track section measuring device includes base 04, is equipped with rotatable prism 05 on the base 04, is close to and is equipped with breach portion 06 on the base 04, and breach portion 06 cooperates with F rail 01, and breach portion 06 includes side direction reference surface 07, and with the parallel holding surface 08 of horizontal plane, holding surface 08 is mutually perpendicular with side direction reference surface 07.
When the installation accuracy of the magnetic levitation track panel is to be measured, the notch part 06 of the magnetic levitation track panel measuring device is matched with the F track 01, the lateral reference surface 07 is in contact with the inner side surface 14 of the F track, and the lateral reference surface 07 is taken as a measuring reference in the horizontal direction of the F track 01; the supporting surface 08 is in contact with the supporting wheel sliding surface 15 of the F rail 01, and the supporting surface 08 is taken as a measuring reference in the vertical direction of the F rail 01. The lateral reference surface 07 and the supporting surface 08 jointly construct a positioning measurement coordinate system, the supporting surface 08 and the lateral reference surface 07 are perpendicular to each other, the origin of a foot-hanging coordinate system is formed, the transverse direction, the vertical direction and the longitudinal direction of the F rail 01 are X/Y/Z axes of the coordinate system, and then the spatial data of the rail panel are measured. In the measurement mode in the prior art, a reference hole on the horizontal plane of the F rail 01 is used as a positioning reference, but the reference hole is easy to rust, so that the measured data is inaccurate, and the measurement precision is low. Compared with the prior art, the magnetic suspension track panel measuring device provided by the application is not easy to rust on the lateral reference surface 07 and the supporting surface 08, the measuring interference factors are few, the track panel measuring data are accurate, and the track panel mounting precision is improved. Meanwhile, the measurement is convenient and fast, and the measurement efficiency is improved.
As shown in fig. 6, in the embodiment of the present invention, a magnet 09 is disposed in the base 04 near the notch 06, and the magnet 09 provides an attraction force for attaching the base 04 to the F rail 01. A magnet 09 is arranged in the base 04, the notch of the base 04 is matched with the F rail 01, the base 04 is tightly attached to the F rail 01 through the attraction force of the magnet 09, and the supporting surface 08 is tightly attached to the supporting wheel sliding surface 15 of the F rail 01. The number of the magnets 09 is specifically set according to actual conditions. For example, 3 circular magnets 09 may be provided in the base 04.
As shown in fig. 4 to 7, in the embodiment of the present invention, the flatness error between the lateral reference surface 07 and the supporting surface 08 is within ± 0.05 mm. The flatness error is obtained by comparing the measured actual surface with the ideal surface, and the distance between the two line values is the flatness error value. The closer the flatness error is to 0, the more accurate the constructed positioning measurement coordinate system is, and the smaller the measurement error is. Preferably, the magnet 09 is embedded in the base 04, and the supporting surface 08 of the base 04 is higher than the surface of the magnet 09. Because the flatness error of the lateral reference surface 07 and the supporting surface 08 is smaller than that of the surface of the magnet 09, the surface of the magnet 09 is arranged inside the base 04, so that the surface of the magnet 09 is not contacted with the supporting surface 08 or the lateral reference surface 07, the base 04 is ensured to be tightly attached to the F rail 01, the establishment of a positioning measurement coordinate system is not influenced, and the measurement accuracy of the magnetic levitation track panel measurement device is further ensured.
As shown in fig. 6, in the embodiment of the present invention, a separated arc structure 10 is disposed on the lateral reference surface 07. The separating arc structure 10 is specifically that the separating arc structure 10 includes two arc protrusions, the two arc protrusions are disposed on the lateral reference surface 07, and when the base 04 is attached to the F rail 01, the arc protrusions contact with the inner side surface 14 of the F rail. The contact point is compared with surface contact, and the contact points of the two arc convex parts form a horizontal straight line, so that the inaccuracy of the positioning reference coordinate system caused by foreign matters or insufficient flatness on the contact surface is avoided under the condition that the establishment of the positioning reference coordinate system is not influenced. The positioning measurement reference of the magnetic suspension track panel measurement device is further improved.
As shown in fig. 4, in the embodiment provided by the present invention, the base 04 is provided with a mounting hole 11 for mounting the prism 05, the magnetic levitation track panel measuring device further includes a prism rod 12 connected with the prism 05, and the prism rod 12 is matched with the mounting hole 11. Design like this for prism 05 can be dismantled with base 04 and be connected, and when not measuring, magnetism floats section of track measuring device's prism 05 can be lifted off, makes prism 05's lens not receive the damage, has improved magnetism and has floated section of track measuring device's life greatly. Preferably, the mounting hole 11 is a threaded hole, and the prism rod 12 is provided with threads.
As shown in FIG. 4, in the embodiment of the present invention, the base 04 is provided with a locking member 13 for locking the prism rod 12, and the locking member 13 restricts the rotation and movement of the prism rod 12. Specifically, be equipped with the through-hole on the base 04, the through-hole communicates with mounting hole 11, and lock catch piece 13 passes the through-hole, and prism pole 12 and locating hole cooperation, lock catch piece 13 bottom support and lean on prism pole 12, and then lock dead prism pole 12, make things convenient for the installation and the dismantlement of prism 05.
As shown in fig. 4, in the embodiment provided by the present invention, the center line of the mounting hole 11 coincides with the lateral reference surface 07. By the arrangement, the center of the prism 05 is overlapped with the lateral reference surface 07, measurement accumulated errors are reduced, a positioning measurement coordinate system established by the magnetic levitation track panel measuring device is overlapped with the axis of the prism 05, and the accumulated errors caused by the prism 05 are reduced.
As shown in fig. 4, the utility model provides an in the embodiment, base 04 bottom and sleeper 02 contactless, at the in-process of maglev train operation, maglev section of track measuring device base 04 bottom and sleeper 02 contactless for the detection of section of track precision can also be carried out to the maglev section of track measuring device that this application provided when maglev train operation.
The manner of use will now be further described with reference to the preferred embodiments. In use, the prism rod 12 of the prism 05 is first inserted into the mounting hole 11 of the base 04, and the prism 05 is locked by the locking member 13. The magnetic levitation track panel measuring device is placed on the F track 01. When the device is placed, the supporting surface 08 is firstly attached to the supporting wheel sliding surface 15 of the F rail 01, then the whole device is translated, and the separated circular arc structure 10 of the magnetic levitation track panel measuring device is abutted to the inner side surface 14 of the F rail. And finally, measuring the data of the prism 05 by using a total station, and acquiring the track panel space data of the position of the magnetic suspension track panel measuring device.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A magnetic suspension track panel measuring device is characterized by comprising a base (04),
the base (04) is provided with a prism (05),
a gap part (06) is arranged on the base (04) and the gap part (06) is matched with the F rail (01),
the cutout (06) comprises a lateral reference surface (07),
a support surface (08) parallel to the horizontal plane, the support surface (08) being perpendicular to the lateral reference surface (07).
2. The magnetic levitation track panel measuring device according to claim 1, wherein a magnet (09) is arranged in the base (04) near the gap (06), and the magnet (09) is used for providing an adsorption force for attaching the base (04) and the F-shaped track (01).
3. The magnetic levitation track panel measurement device according to claim 1, wherein the lateral reference surface (07) is within ± 0.05mm of the flatness of the support surface (08).
4. A magnetic levitation track panel measuring device as claimed in claim 1, characterised in that the lateral reference surface (07) is provided with a separation arc structure (10).
5. The magnetic levitation track panel measuring device according to claim 1, wherein the base (04) is provided with a mounting hole (11) for mounting the prism (05),
the magnetic suspension track panel measuring device further comprises a prism rod (12) connected with the prism (05), and the prism rod (12) is matched with the mounting hole (11).
6. A magnetic levitation track section measuring device as claimed in claim 5 wherein the base (04) is provided with a locking means (13) for locking the prism bars (12).
7. A magnetic levitation track section measuring device as claimed in claim 5, characterised in that the centre line of the mounting hole (11) coincides with the lateral reference plane (07).
8. A magnetic levitation track gauge as claimed in claim 1, wherein the base (04) bottom is not in contact with the sleeper (02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921316000.7U CN211006182U (en) | 2019-08-14 | 2019-08-14 | Magnetic levitation track panel measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921316000.7U CN211006182U (en) | 2019-08-14 | 2019-08-14 | Magnetic levitation track panel measuring device |
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| Publication Number | Publication Date |
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| CN211006182U true CN211006182U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921316000.7U Active CN211006182U (en) | 2019-08-14 | 2019-08-14 | Magnetic levitation track panel measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396880A (en) * | 2019-08-14 | 2019-11-01 | 中铁十一局集团第三工程有限公司 | A kind of floating track panel measurement device of magnetic |
-
2019
- 2019-08-14 CN CN201921316000.7U patent/CN211006182U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396880A (en) * | 2019-08-14 | 2019-11-01 | 中铁十一局集团第三工程有限公司 | A kind of floating track panel measurement device of magnetic |
| CN110396880B (en) * | 2019-08-14 | 2024-05-07 | 中铁十一局集团第三工程有限公司 | Magnetic levitation track panel measuring device |
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