CN219857159U

CN219857159U - Subway train axle temperature detection box

Info

Publication number: CN219857159U
Application number: CN202321274834.2U
Authority: CN
Inventors: 郑帅; 张艺珲; 冯献昂; 周健; 张子名; 匡俊儒; 邢宗义
Original assignee: Nanjing University of Science and Technology
Current assignee: Nanjing University of Science and Technology
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-20
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a subway train axle temperature detection box, which relates to the technical field of urban rail train axle temperature detection and comprises a middle detection box, an outer side dust cover, a box cover plate and a box front baffle plate, wherein the middle detection box is fixedly connected with the outer side dust cover through a mounting piece, the top of the middle detection box is fixedly connected with the box cover plate through a box nut, the box front baffle plate which is obliquely arranged is arranged in front of the middle detection box, and an automatic door opening and closing system is arranged on the surface of the box front baffle plate; the temperature sensor probe can detect the temperature of the train track in the probe window, and can drive the switch door baffle to rotate to shield the probe window through the rotation of the output shaft when the stepping motor is started, so that the external rainwater is prevented from entering the middle detection box body from the probe window to cause equipment damage.

Description

Subway train axle temperature detection box

Technical Field

The utility model relates to the technical field of urban rail train axle temperature detection, in particular to a subway train axle temperature detection box.

Background

When the subway train runs, the axle temperature of the train is increased due to friction, and the safe running of the subway train can be endangered due to overhigh temperature, so that the on-line detection of the axle temperature of the subway train has important practical significance. The temperature sensor is used for measuring the temperature by infrared radiation, the temperature of the bearing in the running state of the subway train is dynamically measured, and the shaft burning and shaft cutting accident caused by the overhigh temperature of the train shaft is prevented, so that the method is one of important means for ensuring the running safety of the railway.

The axle temperature detection box is usually installed on the track side fixture or is fixed on the track side ground, but the driving environment of subway is more severe, and most of the box is underground closed space, and electromagnetic interference, metal dust, rain wash and other environmental factors will bring serious interference to infrared temperature measurement results, so that the box is required to correspondingly protect the sensor, thereby improving the measurement accuracy and prolonging the service life.

Aiming at the problems, the utility model provides a subway train axle temperature detection box.

Disclosure of Invention

The utility model aims to provide a subway train axle temperature detection box, a temperature sensor probe can detect the temperature of a train track in a probe window, and a door opening and closing baffle can be driven to rotate to shield the probe window through rotation of an output shaft when a stepping motor is started, so that equipment damage caused by external rainwater entering a middle detection box body from the probe window is prevented, and the problem in the background art is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a subway train axle temperature detection case, includes middle detection case, outside dust cover, box apron, box front bezel, and middle detection case passes through installed part fixed connection with outside dust cover, and middle detection case top passes through box nut and box apron fixed connection, and middle detection case the place ahead is equipped with the box front bezel of slope setting and box front bezel surface sets up automatic switch door system;

the automatic door opening and closing system comprises a door opening and closing baffle, a stepping motor, an output shaft, a limiting device and a fastener, wherein the stepping motor is fixed on an inclined plane of a fixed seat with the inclined plane, the fixed seat is fixed on the ground through bolts, the output end of the stepping motor is provided with the output shaft, the output shaft penetrates through an upper through hole of a front baffle of the box body, the door opening and closing baffle is fixed on the through hole, and the stepping motor drives the door opening and closing baffle to rotate through the output shaft to form the automatic door opening and closing system of the probe window.

Further, the middle detection box is fixed on the ground at two sides of the rail through the ground feet.

Further, the middle detection box comprises a temperature sensor acquisition board card, an acquisition board card base and a temperature sensor probe support, wherein the temperature sensor acquisition board card is fixed on the upper surface of the acquisition board card base through a fixing piece, and the temperature sensor probe support comprises a probe pitch angle adjusting nut and a probe fixing head.

Further, the outer side dust cover is in a 'shape', and a probe window is formed in the inclined side of the outer side dust cover.

Further, the temperature sensor probe support is fixed on the inner bottom surface of the middle detection box through bolts, the temperature sensor probe is fixed above the probe fixing head through the probe pitch angle adjusting nut, and the pitch angle adjustment and the horizontal deflection angle +/-6 degrees adjustment of the temperature sensor probe can be realized by adjusting the probe fixing head and the probe pitch angle adjusting nut.

Compared with the prior art, the utility model has the following beneficial effects:

according to the subway train axle temperature detection box provided by the utility model, the temperature sensor probe can detect the temperature of a train track in the probe window, and the probe window can be shielded by driving the door opening and closing baffle to rotate through the rotation of the output shaft when the stepping motor is started, so that the equipment damage caused by external rainwater entering the middle detection box body from the probe window is prevented.

Drawings

FIG. 1 is a schematic top view of an intermediate inspection box of the present utility model;

FIG. 2 is a schematic top view of the outer dust cap of the present utility model;

FIG. 3 is a schematic diagram of a cover plate of the case of the present utility model;

FIG. 4 is a schematic view of the front baffle structure of the case of the present utility model;

FIG. 5 is a schematic view of a base structure of the collecting card of the present utility model;

FIG. 6 is a schematic view of a probe-retaining head according to the present utility model;

FIG. 7 is a schematic diagram showing a three-dimensional structure of a stepper motor according to the present utility model;

FIG. 8 is a schematic perspective view of an intermediate inspection box according to the present utility model;

fig. 9 is a schematic perspective view showing the internal structure of the intermediate detection box according to the present utility model.

In the figure: 1. an intermediate detection box; 2. an outer dust cover; 3. a mounting member; 4. a probe window; 5. a box nut; 6. a case cover plate; 7. a front baffle of the box body; 8. a stepping motor; 9. opening and closing a door baffle; 10. a collecting board card base; 11. a fixing member; 12. a probe pitch angle adjusting nut; 13. a probe fixing head; 14. a temperature sensor probe holder; 15. a limiting device; 16. an output shaft; 17. a fastener.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the technical problem of protecting the temperature sensor, as shown in fig. 1-9, the following preferred technical scheme is provided:

the utility model provides a subway train axle temperature detection case, includes middle detection case 1, outside dust cover 2, box apron 6, box front bezel 7, middle detection case 1 and outside dust cover 2 pass through mounting 3 fixed connection, and middle detection case 1 top passes through box nut 5 and box apron 6 fixed connection, and middle detection case 1 the place ahead is equipped with box front bezel 7 that the slope set up and box front bezel 7 surface sets up automatic switch door system;

the automatic door opening and closing system comprises a door opening and closing baffle 9, a stepping motor 8, an output shaft 16, a limiting device 15 and a fastener 17, wherein the stepping motor 8 is fixed on an inclined plane of a fixed seat with the inclined plane, the fixed seat is fixed on the ground through bolts, the output end of the stepping motor 8 is provided with the output shaft 16, the output shaft 16 penetrates through a through hole in the front baffle 7 of the box body to be fixed with the door opening and closing baffle 9, and the stepping motor 8 drives the door opening and closing baffle 9 to rotate through the output shaft 16 to form the automatic door opening and closing system of the probe window 4. After the stepping motor 8 is started, the output end of the stepping motor 8 rotates to drive the output shaft 16 to rotate, and the output shaft 16 drives the door opening and closing baffle 9 to rotate in the through hole on the front baffle 7 of the box body to shield the probe window 4 formed on the outer side dust cover 2 so as to prevent the probe window from entering rainwater and dust.

The middle detection box 1 is fixed on the ground on two sides of the rail through the ground feet. The middle detection box 1 is arranged on two sides of the rail to monitor the rails on two sides.

The middle detection box 1 comprises a temperature sensor acquisition board card, an acquisition board card base 10 and a temperature sensor probe bracket 14, wherein the temperature sensor acquisition board card is fixed on the upper surface of the acquisition board card base 10 through a fixing piece 11, and the temperature sensor probe bracket 14 comprises a probe pitch angle adjusting nut 12 and a probe fixing head 13. When the probe pitch angle adjusting nut 12 is adjusted, the probe fixing head 13 can be driven to rotate by taking the probe pitch angle adjusting nut 12 as a rotating shaft, so that the pitch angle of the temperature sensor probe is adjusted.

The outer dust cover 2 is in a 'shape', and a probe window 4 is formed in the inclined side of the outer dust cover 2. The probe window 4 facilitates the extension of the temperature sensor probe to monitor the train track.

The temperature sensor probe bracket 14 is fixed on the inner bottom surface of the middle detection box 1 through bolts, the temperature sensor probe is fixed above the probe fixing head 13 through the probe pitch angle adjusting nut 12, and the pitch angle adjustment and the horizontal deflection angle +/-6 degree adjustment of the temperature sensor probe can be realized by adjusting the probe fixing head 13 and the probe pitch angle adjusting nut 12.

To sum up: after the stepping motor 8 is started, the output end of the stepping motor 8 rotates to drive the output shaft 16 to rotate, and the output shaft 16 drives the door opening and closing baffle 9 to rotate in the through hole on the front baffle 7 of the box body to shield the probe window 4 formed on the outer side dust cover 2 so as to prevent the probe window from entering rainwater and dust.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a subway train axle temperature detects case, detects case (1), outside dust cover (2), box apron (6), box front bezel (7), its characterized in that including the centre: the middle detection box (1) is fixedly connected with the outer side dust cover (2) through a mounting piece (3), the top of the middle detection box (1) is fixedly connected with the box cover plate (6) through a box nut (5), a box front baffle (7) which is obliquely arranged is arranged in front of the middle detection box (1), and an automatic door opening and closing system is arranged on the surface of the box front baffle (7);

the automatic door opening and closing system comprises a door opening and closing baffle (9), a stepping motor (8), an output shaft (16), a limiting device (15) and a fastener (17), wherein the stepping motor (8) is fixed on an inclined plane of a fixed seat with the inclined plane and the fixed seat is fixed on the ground through bolts, the output end of the stepping motor (8) is provided with the output shaft (16) and the output shaft (16) penetrates through a through hole in the front baffle (7) of the box body, the door opening and closing baffle (9) is fixed on the through hole, and the stepping motor (8) drives the door opening and closing baffle (9) to rotate through the output shaft (16) to form the automatic door opening and closing system of the probe window (4).

2. The subway train axle temperature detection box according to claim 1, wherein: the middle detection box (1) is fixed on the ground on two sides of the rail through the ground feet.

3. The subway train axle temperature detection box according to claim 1, wherein: the middle detection box (1) comprises a temperature sensor acquisition board, an acquisition board base (10) and a temperature sensor probe support (14), wherein the temperature sensor acquisition board is fixed on the upper surface of the acquisition board base (10) through a fixing piece (11), and the temperature sensor probe support (14) comprises a probe pitch angle adjusting nut (12) and a probe fixing head (13).

4. The subway train axle temperature detection box according to claim 1, wherein: the outer dust cover (2) is in a 'shape', and a probe window (4) is formed in the inclined side of the outer dust cover (2).

5. A subway train axle temperature detection box according to claim 3, wherein: the temperature sensor probe bracket (14) is fixed on the inner bottom surface of the middle detection box (1) through bolts, the temperature sensor probe is fixed above the probe fixing head (13) through a probe pitch angle adjusting nut (12), and the pitch angle adjustment and the horizontal deflection angle +/-6 degree adjustment of the temperature sensor probe can be realized by adjusting the probe fixing head (13) and the probe pitch angle adjusting nut (12).