CN217532865U

CN217532865U - Self-adaptive linkage device for measuring absolute position of indication rod and railway turnout switch machine

Info

Publication number: CN217532865U
Application number: CN202221245385.4U
Authority: CN
Inventors: 谢智多; 杨勇; 马元; 李刚; 张华�; 孙瑞; 王鹏; 葛雪纯; 胡启正; 刘洋; 张思杨; 郝乙丁; 孙瑞晓; 陈�光; 林炳跃; 崔莹莹; 赵然; 闫石; 常浩; 刘珍珍
Original assignee: China Academy of Railway Sciences Corp Ltd CARS; Signal and Communication Research Institute of CARS; Beijing Ruichi Guotie Intelligent Transport Systems Engineering Technology Co Ltd; Beijing Huatie Information Technology Co Ltd
Current assignee: China Academy of Railway Sciences Corp Ltd CARS; Signal and Communication Research Institute of CARS; Beijing Ruichi Guotie Intelligent Transport Systems Engineering Technology Co Ltd; Beijing Huatie Information Technology Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-04
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a measure self-adaptation aggregate unit and railway switch goat that represents pole absolute position, self-adaptation aggregate unit includes: the device comprises a digital ruler, a guide rail, a first magnetic connecting piece, a bracket, a slider type sensor and a second magnetic connecting piece; wherein, the digital ruler is fixedly arranged in the guide rail; the sliding block type sensor is arranged at one end of the bracket through a first magnetic connecting piece; the bracket is movably arranged on the guide rail and can drive the sliding block type sensor to move on the digital ruler along the guide rail; the second magnetic connecting piece is arranged at the tail end of the indicating rod, the indicating rod is arranged on the outer side of the guide rail and is positioned in front of the bracket, and the second magnetic connecting piece can drive the sliding block type sensor to move in the guide rail along the direction of the digital ruler, so that the absolute distance of the movement of the indicating rod is obtained, and the position of the switch point is determined.

Description

Self-adaptive linkage device for measuring absolute position of indicating rod and railway turnout switch machine

Technical Field

The utility model relates to a railway switch machine dynamic monitoring field especially relates to a self-adaptation aggregate unit and railway switch machine of measurement indication pole absolute position.

Background

With the development of high-speed rail and heavy-duty transportation in China, the operation mileage is continuously prolonged, and the control and action equipment of the railway turnout is required to be safer and more reliable. The railway switch machine is a device for forcing the moving locomotive to change rails and is a key connection node for determining the running direction of the locomotive. The safety and reliability of the operation of the railway switch machine depend on the degree of closeness of the switch blade and the stock rail (the closeness is generally required to be less than 4 mm). On the premise of not influencing the normal operation of the railway turnout switch machine, if the whole-course working state and corresponding effective information of the turnout can be reflected in real time, the method has guiding significance for train commanders, and has more important significance for the prediction and maintenance of maintainers.

At present, the existing scheme is to install video or proximity sensor in the box of railway switch machine, and only in a certain point or in a very small distance range, the device is called as point type measuring device, and the disadvantage is that it can not measure the action process of the switch and the condition of the equipment matched with it in the process, such as the creeping of switch point, the blocking of switch point, etc., and at the same time, the measuring precision is low, the adaptive temperature is narrow, the influence by water vapor and oil gas is large, and the installation and maintenance are difficult.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a measure self-adaptation aggregate unit and railway switch goat of showing pole absolute position can the convenient installation at the outer dust cover position of railway switch goat machine case to and the absolute position and other parameters of the whole journey measurement switch tongue action in-process of synchronization, measure accurate, safe and reliable, solved the problem that exists among the current use technique.

The utility model aims at realizing through the following technical scheme:

an embodiment of the utility model provides a measure self-adaptation aggregate unit who shows pole absolute position, include:

the device comprises a digital ruler, a guide rail, a slider type sensor, a bracket, a first magnetic connecting piece and a second magnetic connecting piece; wherein the content of the first and second substances,

the digital ruler is fixedly arranged in the guide rail;

the sliding block type sensor is arranged at one end of the bracket through the first magnetic connecting piece;

the bracket is movably arranged on the outer side of the guide rail and can drive the slider type sensor to relatively move on the digital ruler along the guide rail;

the second magnetic connecting piece is arranged on the end face of a display rod on the dust cover side of the railway turnout switch machine, the display rod is arranged on the outer side of the guide rail and is positioned in front of the support, and the second magnetic connecting piece can be magnetically connected with the first magnetic connecting piece on the support to drive the slider type sensor to move relatively on the digital ruler along the guide rail.

The embodiment of the utility model provides a railway switch goat is still provided, is equipped with two at least expression poles, include:

the number of the measuring and indicating rods is the same as that of the indicating rods, and each set of the self-adaptive linkage device for measuring and indicating the absolute position of the indicating rod is arranged in a dust cover of the corresponding indicating rod of the railway turnout switch machine;

and the second magnetic connecting piece of the self-adaptive linkage device is arranged on the end surface of the corresponding indicating rod.

Compared with the prior art, the utility model provides a measure self-adaptation aggregate unit who shows pole absolute position, its beneficial effect includes:

the digital ruler is fixedly arranged on the guide rail, the sliding block type sensor is arranged on the bracket through the first magnetic connection, the second magnetic connecting piece is arranged on the end face of the indicating rod, the indicating rod can be magnetically connected with the first magnetic connection on the bracket through the second magnetic connecting piece, so that the sliding block type sensor can be driven to move relatively on the guide rail along the digital ruler when the indicating rod moves, the self-adaptive linkage device can synchronously move with the indicating rod through a magnetic connection and suction mode, the absolute position of the whole motion process of the indicating rod, namely the absolute position of the motion process of the switch point rail directly connected with the indicating rod is measured in real time, and relevant parameters such as the close adhesion degree of the switch, the blocking condition in the motion process, the creeping degree of the point rail and the like are reflected; because its overall structure is simple, can set up in the former dust hood of current railway switch machine, only need replace former dust hood, can realize the device's installation, can not destroy the inner structure of railway switch machine, guaranteed the security of railway switch machine operation to owing to be the magnetism and connect, but not rigid connection, can not cause the jamming of expression pole because of the measurement, further guaranteed the security and the reliability of railway switch machine.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of an adaptive linkage for measuring absolute position of a representative rod in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of the operation of an adaptive linkage for measuring absolute position of a representative rod according to an embodiment of the present invention;

in the figure: 1-a guide rail; 2-a digital ruler; 3-a first magnetic connection; 4-a scaffold; 5-slider type sensors; 6-a second magnetic connection; 7-denotes a rod.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention; it is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of the embodiments, and that no limitation to the present invention is intended. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms that may be used herein are first described as follows:

the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".

The terms "comprising," "including," "containing," "having," or other similar terms in describing these terms are to be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.

The term "consisting of … …" is meant to exclude any technical feature elements not explicitly listed. If used in a claim, the term shall render the claim closed except for the inclusion of the technical features that are expressly listed except for the conventional impurities associated therewith. If the term occurs in only one clause of the claims, it is defined only to the elements explicitly recited in that clause, and elements recited in other clauses are not excluded from the overall claims.

Unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, as for example: can be fixedly connected, can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms herein can be understood by those of ordinary skill in the art as appropriate.

The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship that is indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and are not intended to imply or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting herein.

The following describes in detail the adaptive linkage and the railway switch machine for measuring the absolute position of the indicating rod provided by the present invention. The embodiments of the present invention not described in detail belong to the prior art known to those skilled in the art. The embodiment of the present invention does not indicate specific conditions, and the operation is performed according to the conventional conditions in the field or the conditions suggested by the manufacturer. The reagent or instrument used in the embodiment of the utility model does not indicate the manufacturer, and is a conventional product which can be purchased and obtained through market.

As shown in FIG. 1, an embodiment of the present invention provides an adaptive linkage for measuring absolute position of a representative rod, comprising:

the device comprises a digital ruler, a guide rail, a slider type sensor, a bracket, a first magnetic connecting piece and a second magnetic connecting piece; wherein, the first and the second end of the pipe are connected with each other,

the digital ruler is fixedly arranged in the guide rail;

In the device, the digital ruler adopts a flat ruler consisting of equal-division magnetic pole pairs and can be matched with the slider type sensor to measure the moving distance.

In the above device, the first magnetic connecting member is a plurality of pins for fixing the slider sensor to one end of the holder.

In the above device, the slider sensor is embedded in the guide rail and can move synchronously with the indicating rod.

In the above device, the second magnetic connecting member is disposed on the end plane of the end of the indicating rod. Preferably, the second magnetic connecting piece is composed of two permanent magnet blocks which are arranged in parallel.

In the above device, the indication rod is a ferrous metal indication rod.

In the above device, the slider sensor is formed by arranging a magnetic sensor on a slider.

In the above device, the slider is a resin slider. The resin sliding block can reduce abrasion, is wide in adaptive environment temperature range, and meanwhile prolongs the service life of the guide rail.

The above-mentioned device still includes: the detachable dust cover is matched with the dust cover of the railway turnout switch machine in size and can be installed at the dust cover of the railway turnout switch machine;

the digital ruler, the guide rail, the slider type sensor, the bracket and the first magnetic connecting piece are all arranged in the detachable dust cover.

Make this application can conveniently replace the former dust cover of current railway switch point machine through setting up the dismantlement formula dust cover, and then install this self-adaptation aggregate unit's other parts, realize the measurement to the simultaneous movement of expression pole. The utility model discloses an adaptive linkage as long as the overall dimension and the shape of dismantlement formula dust cover satisfy the demands, can will the utility model discloses an adaptive linkage installs the dust cover position to current railway switch goat and uses, if: ZD6, ZDJ9, S700K, etc.

To sum up, the utility model discloses self-adaptation aggregate unit owing to set up digital ruler in the guide rail, sets up slider formula sensor and first magnetism connecting piece on the support that moves along the guide rail, when showing the pole and remove, can drive support and slider formula sensor along digital ruler direction relative movement on the guide rail, measures the absolute distance that shows the whole removal of pole, and then confirms the absolute position of switch tongue. The self-adaptive linkage device can be used for the transformation of the prior railway turnout switch machine, removes the protective cover of the indicating rod outside the prior railway turnout switch machine, is additionally provided with the self-adaptive linkage device of the utility model, realizes the synchronous measurement of the double movements of the indicating rod, has convenient and reliable installation, and does not change the basic structure of the prior switch machine; in addition, the improved railway switch machine with the self-adaptive linkage device is matched with a portable video parameter display instrument which is matched with the railway switch machine, so that the switch is adjusted and maintained with half the effort.

The embodiment of the utility model provides a still provide a railway switch machine, be equipped with two at least expression poles, include:

the adaptive linkage device for measuring the absolute position of the indicating rod has the same number as the indicating rods, and each set of the adaptive linkage device for measuring the absolute position of the indicating rod is arranged in the dust cover of the corresponding indicating rod of the railway turnout switch machine;

the second magnetic connecting piece of the self-adaptive linkage device is arranged on the end face of the corresponding indicating rod, so that the indicating rod can be magnetically connected with the first magnetic connecting piece on the support of the self-adaptive linkage device, and the movement distance of the indicating rod is further synchronously measured.

To the railway switch goat that is equipped with main, vice demonstration pole, then correspond and set up two sets the utility model discloses a measurement shows pole absolute position's self-adaptation aggregate unit, every set is corresponding to one and shows the pole installation, can measure the displacement that corresponds the demonstration pole.

The railway turnout switch machine can realize the synchronous movement measurement of the whole process and the double indicating rods due to the self-adaptive linkage device, and the movement of the indicating rods cannot be influenced.

To sum up, the utility model discloses self-adaptation aggregate unit, owing to set up parts such as digital chi, slider formula sensor, cuttable pin, support, magnetism connecting piece in the guide rail, they cooperate each other, accomplish absolute position and the rate of motion of confirming the switch tongue, laid solid basis for follow-up a plurality of important parameters of calculation switch action in-process.

In order to show the technical scheme and produced technological effect that the utility model provides more clearly, it is right with specific embodiment below the utility model provides a measurement represents the self-adaptation linkage of pole absolute position and carries out the detailed description.

Examples

As shown in FIG. 1, the adaptive linkage for measuring absolute position of a representative rod of the present embodiment includes: the device comprises a digital ruler, a guide rail, a first magnetic connecting piece, a bracket, a sliding block type sensor and a second magnetic connecting piece; wherein the content of the first and second substances,

the digital ruler is fixedly arranged in the guide rail;

the sliding block type sensor is arranged at one end of the bracket through a first magnetic connecting piece;

the bracket is movably arranged on the guide rail and can drive the slider type sensor to move upwards along the guide rail above the digital ruler;

the second magnetic connecting piece is arranged on the end face of a display rod on the dust cover side of the railway turnout switch machine, the display rod is arranged on the outer side of the guide rail and is positioned in front of the support, and the second magnetic connecting piece can be connected with the first magnetic connecting piece on the support to drive the slider type sensor to move along the direction of the digital ruler in the guide rail.

The indicating rod is a component of the railway turnout switch machine, is connected with the switch rail, reflects the locking position of the turnout and indirectly reflects the close contact degree and the gap position of the turnout.

The digital ruler is a flat thin ruler consisting of equal magnetic pole pairs, and is matched with the slider type sensor to realize the electronic ruler capable of relatively moving for distance measurement.

The second magnetic connecting piece adopts two permanent magnet blocks which are arranged in parallel, and preferably adopts the permanent magnet blocks which are made of magnetic materials through surface chemical passivation.

The slider sensor is formed by loading an integrated sensor on a slider, the slider sensor is connected with the support through a first magnetic connecting piece, the first magnetic connecting piece adopts a plurality of pins, a second magnetic connecting piece arranged on the plane of the end of the rod on the side of the dust cover can move in a snake shape along with the rod, and the slider sensor is driven to move in the guide rail in the same direction as the rod after being magnetically connected with the first magnetic connecting piece of the support, as shown in fig. 2.

Because the first magnetic connecting piece on the bracket is connected with the second magnetic connecting piece arranged on the end face of the indicating rod in the dustproof cover outside the switch case in a magnetic mode, the sliding block type sensor and the indicating rod are driven to synchronously move and move relative to the digital ruler with a certain gap for fixing, and the absolute position data of the indicating rod is obtained and can be used for a processing unit to generate various important information; the slider sensor passively moves in the flat linear guide rail, drives the bracket of the slider sensor and is magnetically connected with the indicating rod, and is of a flexible connection structure.

The sliding block of the sliding block type sensor can be made of resin materials, the working temperature range of the materials is-60-100 ℃, the sliding block type sensor has excellent sliding performance and wear resistance, the wear can be reduced, and the service life of the guide rail is prolonged.

The self-adaptive linkage device of the embodiment represents absolute position measurement of the whole course of the rod action, covers a point type measurement method, and overcomes the defect of position measurement of the turnout point rail of the existing railway turnout switch machine.

In the self-adaptive linkage device, a digital ruler is fixed in a guide rail, and a slider type sensor can move back and forth in the guide rail along with a representation rod and read the absolute position of the representation rod; the slider type sensor is attracted on the cross section of the end of the indicating rod through the magnetic support and is linked with the indicating rod to reflect the absolute position and other information of the indicating rod in the whole process in real time. The device adopts a fixed digital ruler, and the double-slider type sensor can read data in parallel in real time in the moving process of the indicating rod; the movable reading part adopts an oilless slide block overload cutting structure to prevent mechanical jamming; the sliding block is magnetically connected with the indicating rod, and the resistance distribution of the sliding block is automatically adjusted to be smooth; the auxiliary video and turnout parameter display can be realized, and the turnout close contact and gap adjustment are facilitated.

Moreover, because of the soft connection of the magnetic connection, the adaptive linkage device of the embodiment can automatically release when the travel of the slider sensor on the guide rail is blocked, such as:

1) Pulling the clamping resistance: when the friction force A (blocking force) of the sliding block is larger than the attraction force of the magnetic connection, the sliding block is released;

2) Pushing the jamming: when the friction force C (retarding force) of the slide rail is larger than the shearing force of the special pin for fixing the slide block, the pin is cut off to separate the indicating rod from the slide block, and further the mechanical blocking of the indicating rod by the device is avoided.

During the action of the sensor load slide block on the guide rail, the action force comprises the following components: the push-pull force A, the sliding block friction force D and the magnetic attraction adhesive force B of the rod are represented; the protective force comprises a pin shearing force C made of special materials and a magnetic attraction separation force B, and the forces are set within a certain reasonable range, so that the special materials can work normally, and can be separated when being blocked abnormally, and the fault safety principle of railway signals is met.

In summary, the self-adaptive linkage device provided by the embodiment of the utility model can realize the synchronous motion of the sensor with the main and auxiliary indication rods respectively, and the whole static distance of each digital ruler reads out the position mode, thereby reducing the size of the device, being compatible with the installation position of the existing protective cover and being easy to install, maintain and replace outdoors; when the rod performs snake-shaped motion, the sliding block type sensor moves in multiple directions in the guide rail, and the friction resistance of the sliding block type sensor is minimum in a magnetic connection self-adaptive adjustment mode; when the movement of the sliding block type sensor is blocked and exceeds a certain specific value, the sliding block type sensor is automatically separated from the indicating rod, the normal work of the switch machine is ensured, and the overrun resistance separation mode is magnetic separation and cutting separation. At present, the adjustment of the internal locking turnout point rail close contact needs the display of a plurality of parameters of a video and a display rod, the video meets the positioning of a pin adjusting tool of the internal locking display rod, the digital display parameters are convenient for the adjustment of a gap of the display rod, the proper position of the gap and the point rail close contact degree are easy to quantize, the parameter display is also suitable for the adjustment and quantization of an external locking switch machine, and the field operation is simple and convenient.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims

1. An adaptive linkage for measuring absolute position of a representative rod, comprising:

the digital ruler is fixedly arranged in the guide rail;

the slider type sensor is arranged at one end of the bracket through the first magnetic connecting piece;

2. An adaptive linkage arrangement for measuring the absolute position of a representative rod as claimed in claim 1 wherein the digital scale employs a flat ruler comprised of equally spaced pole pairs which cooperates with the slider-type sensor to measure the distance of travel.

3. An adaptive linkage arrangement for measuring absolute rod position according to claim 1 or 2, characterised in that the first magnetic coupling is a plurality of pins mounted to secure the slider-type sensor at one end of the carriage.

4. An adaptive linkage for measuring the absolute position of a representative rod as defined in claim 3 in which the slider-type sensor is embedded in the guide rail and is movable in synchronism with the representative rod.

5. An adaptive linkage arrangement for measuring the absolute position of a representative rod as claimed in claim 1 or claim 2 in which the second magnetic coupling is provided in the plane of the tip of the representative rod end.

6. An adaptive linkage arrangement measuring the absolute position of a representative rod according to claim 1 or 2, characterised in that the representative rod is a ferrous metal representative rod.

7. An adaptive linkage device for measuring the absolute position of a representative lever according to claim 1 or 2, wherein the slider-type sensor is constituted by a magnetic sensor provided on the slider.

8. An adaptive linkage for measuring absolute rod position according to claim 7, wherein the slide is a resin slide.

9. An adaptive linkage arrangement for measuring the absolute position of a representative rod according to claim 1 or claim 2, further comprising:

the detachable dust cover is matched with the dust cover of the railway turnout switch machine in size and can be installed at the dust cover of the railway turnout switch machine;

10. A railway switch machine provided with at least two indication rods, characterized in that it comprises:

the adaptive linkage for measuring the absolute position of the indicating rod of any one of claims 1 to 9 in the same number as the indicating rods, each set of adaptive linkage for measuring the absolute position of the indicating rod being installed in the dust cover of the corresponding indicating rod of the railway switch machine; and the second magnetic connecting piece of the self-adaptive linkage device is arranged on the end surface of the corresponding indicating rod.