CN214523833U - Portable steel rail full section profile detector - Google Patents
Portable steel rail full section profile detector Download PDFInfo
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- CN214523833U CN214523833U CN202022590560.0U CN202022590560U CN214523833U CN 214523833 U CN214523833 U CN 214523833U CN 202022590560 U CN202022590560 U CN 202022590560U CN 214523833 U CN214523833 U CN 214523833U
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- encoder
- connecting rod
- steel rail
- anchor rod
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Abstract
The utility model relates to a full sectional profile detector of portable rail, include: the main engine base, frame-type clamping mechanism, main connecting rod, anchor rod, fixed encoder, movable encoder, left and right idler wheels. The frame type clamping mechanism locks the rail head to make the main connecting rod, the anchor rod and the steel rail in an orthogonal position. The left and right idler wheels roll along the left and right sections of the rail respectively by manually operating the anchor rod to cover the whole rail section. The detector uploads data acquired and formed by the two encoders to an upper computer through a control circuit board and a curing preprocessing program, the data and a contour map are obtained through a user interface after the data are processed by an application program of the upper computer. The utility model discloses support to detect the current 45kg of railway department to all symmetry rails of 75kg, can accurately survey the full section profile curve of rail, show the geometric parameters of the straight line between each node, circular arc, and easy operation, compact structure, light in weight, measurement accuracy is high, is applicable to and establishes big data management platform.
Description
The technical field is as follows:
the utility model relates to a rail transit rail maintenance of equipment technical field is a portable rail full section profile parameter detection device.
Background art:
at present, the detection of the rail full section profile executes the technical conditions of TB/T3276-. On site, the traditional detection means is adopted, ten clamping plates are used for manually and independently measuring parameters of each part of the steel rail, and the result only considers whether the related parameters are within the allowable error, so that whether the steel rail is qualified or not is determined. The drawbacks of pallet testing are low efficiency, few parameters, inability to track the technical geometry of the entire rail, and no specific data available for analysis and study. A type steel rail needs one set of cardboard, the number of pieces is many, carry inconvenience, easy wearing and tearing, testing result are different because of the manual operation. With the high-speed development of railways in China, rail acceptance and maintenance are developed from a traditional method to a scientific comprehensive detection method, so that accurate data for measuring all parameters of the full-section profile of the steel rail becomes more prominent. It is well known to those skilled in the art to develop a portable rail full-section contour detection instrument.
The utility model has the following contents:
to the defect among the prior art, the utility model provides a portable rail full section profile parameter detection device to solve the detection problem of online rail full section profile parameter, make the rail full section profile realize digital quantization, provide the foundation for the improvement to the acceptance and maintenance level of rail, support to detect that railway portion has all symmetry rails of 43kg to 75kg now.
The technical scheme of the utility model is realized like this:
a portable detector for the profile of the full section of a steel rail comprises a main machine base, a main connecting rod, an anchor rod, a fixed encoder, a movable encoder, a locking screw, an adjustable pressure plate and left and right idler wheels;
the main machine base crosses over the rail head of the steel rail, and the side surface of the main machine base is fastened on the rail head of the steel rail by using a locking screw and an adjustable pressure plate;
the top end of the main connecting rod is connected with the main machine base, and the lower end of the main connecting rod is provided with a movable encoder and is connected with the anchor rod;
the fixed encoder is fixed on the main machine base, the central hole at the upper end of the main connecting rod is concentric with the fixed encoder, the fixed encoder can rotate along with the main connecting rod, and the movable encoder is arranged at the bottom end of the main connecting rod and connected with the anchor rod;
the upper end of the anchor rod is connected with the lower end of the main connecting rod, the center of the upper end of the anchor rod is concentric with the main connecting rod and the movable encoder, the movable encoder can rotate along with the anchor rod, the lower end of the anchor rod is arc-shaped anchor fork, and left and right idler wheels are respectively installed at two ends of an anchor fork head.
Specifically, the main machine base stretches across the rail head of the steel rail, and the side face of the main machine base is fastened by a locking screw and an adjustable pressing plate, so that the main connecting rod, the anchor type operating rod and the steel rail are in an orthogonal position.
The outgoing line of the movable encoder passes through the central hole of the main connecting rod and the hollow shaft of the fixed encoder and enters the main machine seat to be connected with the control panel, and the lead is not exposed and does not influence the operation;
the length of the main connecting rod and the anchor rod and the radian of the anchor rod are precisely designed so as to ensure that the left and right idler wheels can be stably switched between the bottom of the steel rail and the center of the top of the steel rail and cover the whole section of the steel rail.
During detection, the anchor rod is manually operated to roll the idler wheel twice on the surface of the steel rail, the left idler wheel rolls on the right side of the steel rail, the right idler wheel rolls on the left side of the steel rail, and the middle positions of the top surface and the bottom surface of the steel rail are partially overlapped to completely cover the whole section of the steel rail.
And data acquired by the fixed encoder and the movable encoder are uploaded to an upper computer through a control circuit board and a curing preprocessing program, and are processed by an upper computer application program to obtain the geometric parameters of straight lines and arcs of each node of the full-section outline of the steel rail through a user interface.
The utility model discloses support all symmetrical rails that accord with railway ministry of health standard.
The beneficial effects of the utility model are embodied in: the utility model is simple in operation, measurement accuracy is high, is suitable for the technical characterstic of the big data management platform of current establishment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an operation diagram of the present invention for measuring the slope of the rail bottom of the steel rail;
FIG. 3 is a schematic view of the switching operation of the roller at the top of the steel rail according to the present invention;
FIG. 4 is a schematic view of the switching operation of the roller for measuring the bottom of the steel rail according to the present invention;
FIG. 5 is a profile of the measured full-section of the rail of the present invention;
in the figure: 1. a main machine base; 2. a main link; 3. an anchor rod; 4. fixing an encoder; 5. a dynamic encoder; 6. locking the bolt; 7. an adjustable pressure plate; 8. a idler wheel; 9. a steel rail.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention pertains.
As shown in fig. 1 to 5, the profile measuring apparatus includes: the main machine base comprises a main machine base 1, a main connecting rod 2, an anchor rod 3, a fixed encoder 4, a movable encoder 5, a locking screw 6, an adjustable pressure plate 7 and left and right idler wheels 8.
The main housing 1 is a 6mm thick housing with a groove inside to fit the outer diameter of the fixed encoder 4.
In order to ensure the detection precision, 3600 pulses/revolutions are adopted by the fixed encoder 4 and the movable encoder 5, the fixed encoder 4 adopts a hollow shaft, and the movable encoder 5 adopts a solid shaft.
The upper end of the main connecting rod 2 is concentric with the fixed encoder 4, and the lower end is concentric with the anchor rod 3 and the movable encoder 5. The processing technology requires that the main connecting rod 2 is parallel to the anchor rod 3, and the idler wheels 8 on two sides of the anchor rod 3 are precise bearings and can freely roll.
During detection, the anchor rod 3 is manually operated, so that the idler wheel 8 rolls along the surface of the steel rail twice in left and right, the left idler wheel rolls along the right side of the steel rail, the right idler wheel rolls along the left side of the steel rail, and the middle positions of the top surface and the bottom surface of the steel rail are partially overlapped to completely cover the whole section of the steel rail.
The data collected by the fixed encoder 4 and the movable encoder 5 are uploaded to an upper computer through a control circuit board and a curing preprocessing program, and the geometric parameters of the straight lines and the circular arcs of all nodes of the profile of the full section of the steel rail are obtained through a user interface after the data are processed by an application program of the upper computer.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described embodiments, or equivalents may be substituted for some or all of their features, without departing from the scope of the invention.
Claims (1)
1. A portable steel rail full-section contour detector is characterized by comprising a main machine base (1), a main connecting rod (2), an anchor rod (3), a fixed encoder (4), a movable encoder (5), a locking screw (6), an adjustable pressure plate (7) and left and right idler wheels (8);
the main machine base (1) stretches across the rail head of the steel rail (9), and the side surface of the main machine base (1) is fastened on the rail head of the steel rail (9) by a locking screw (6) and an adjustable pressure plate (7);
the top end of the main connecting rod (2) is connected with the main machine base (1), and the lower end of the main connecting rod is provided with a movable encoder (5) and is connected with the anchor rod (3);
the fixed encoder (4) is fixed on the main machine base (1), the central hole at the upper end of the main connecting rod (2) is concentric with the fixed encoder (4), the fixed encoder (4) can rotate along with the main connecting rod (2), and the movable encoder (5) is installed at the bottom end of the main connecting rod (2) and is connected with the anchor rod (3);
the upper end of the anchor rod (3) is connected with the lower end of the main connecting rod (2), the center of the upper end of the anchor rod (3) is concentric with the main connecting rod (2) and the movable encoder (5), the movable encoder (5) can rotate along with the anchor rod (3), the lower end of the anchor rod is arc-shaped anchor-type fork, and left and right idler wheels (8) are respectively installed at two ends of the anchor-type fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022590560.0U CN214523833U (en) | 2020-11-11 | 2020-11-11 | Portable steel rail full section profile detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022590560.0U CN214523833U (en) | 2020-11-11 | 2020-11-11 | Portable steel rail full section profile detector |
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| Publication Number | Publication Date |
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| CN214523833U true CN214523833U (en) | 2021-10-29 |
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| CN202022590560.0U Active CN214523833U (en) | 2020-11-11 | 2020-11-11 | Portable steel rail full section profile detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485353A (en) * | 2022-02-11 | 2022-05-13 | 华夏高铁技术有限公司 | Method for generating steel rail profile measurement curve |
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2020
- 2020-11-11 CN CN202022590560.0U patent/CN214523833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485353A (en) * | 2022-02-11 | 2022-05-13 | 华夏高铁技术有限公司 | Method for generating steel rail profile measurement curve |
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