CN221124628U

CN221124628U - Sensor speed tester

Info

Publication number: CN221124628U
Application number: CN202323084509.2U
Authority: CN
Inventors: 周维; 王振雄; 李早红
Original assignee: Changsha Nanche Electrical Equipment Co ltd
Current assignee: Changsha Nanche Electrical Equipment Co ltd
Filing date: 2023-11-15
Publication date: 2024-06-11
Anticipated expiration: 2033-11-15

Abstract

The utility model discloses a sensor speed tester, which comprises a shell, wherein a support plate is respectively arranged at one end part of the shell and at two sides of the end part, a bottom plate is arranged at the bottom of the support plate, and the sensor speed tester further comprises: a servo motor, one end of which is provided with a coupler; the speed reducer is connected with the servo motor through a coupler; positioning holes are formed in the three support plates, and positioning plates are arranged on the positioning holes; the speed reducer is internally provided with a first bevel gear and a second bevel gear, the first bevel gear is arranged on an output shaft of the servo motor, and the second bevel gear and the first bevel gear are arranged in a crisscross manner and meshed with each other. Compared with the prior art, the sensor speed tester has the advantages that two transverse test installation stations are added, the sensor is connected with the first bevel gear and the second bevel gear through the positioning holes, so that speed difference is effectively eliminated during testing, the testing precision is improved, the equipment space is saved while the energy is saved, and the working efficiency is improved.

Description

Sensor speed tester

Technical Field

The utility model relates to the technical field of railway locomotive speed sensor testing, in particular to a sensor speed tester.

Background

Currently, speed sensor testing devices for railroad locomotives have become an integral part of the field of railroad transportation. The device has the functions of testing and calibrating the speed sensor of the locomotive, and ensuring accurate and reliable speed measurement in the running process of the locomotive.

In the related art, a railway locomotive speed sensor testing device generally includes a test bench and a corresponding test instrument. The test bench is used for fixing locomotive sensors and simulating a real working environment by simulating locomotive operation. However, the existing test instrument generally has only one sensor mounting station, if a plurality of test devices are in linkage test, speed difference exists, the accuracy of the test instrument is difficult to guarantee, and the test efficiency is low.

Disclosure of utility model

It is an object of the present utility model to provide a sensor speed tester that solves at least one of the problems and drawbacks set forth in the background art above.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a sensor speed tester, includes the casing, the tip of casing one end and tip both sides are provided with the extension board respectively, the extension board bottom is provided with the bottom plate, still includes:

A servo motor, one end of which is provided with a coupler;

the speed reducer is connected with the servo motor through the coupler;

Positioning holes are formed in the three support plates, and positioning plates are arranged on the positioning holes;

The speed reducer is internally provided with a first bevel gear and a second bevel gear, the first bevel gear is arranged on an output shaft of the servo motor, and the second bevel gear and the first bevel gear are arranged in a crisscross manner and meshed with each other.

The sensor speed tester according to the scheme has at least the following technical effects:

This sensor speed tester adopts a pair of helical gear transition, and second helical gear and first helical gear vertically and horizontally staggered setting and intermeshing, through driving servo motor output shaft, drive the second helical gear rotation by epaxial first helical gear of output, it installs the station to have increased two horizontal tests to compare prior art, be connected sensor and first helical gear and second helical gear through the locating hole for effectively eliminated the velocity difference during the test, improved the test precision, practice thrift equipment space in the energy saving, improved work efficiency.

As a further aspect of the present utility model: the gear angles of the first bevel gear and the second bevel gear are 45 degrees, and the transmission ratio is 1:1.

The gear angles of the first helical gear and the second helical gear are 45 degrees, and the transmission ratio is 1:1, so that the gears of the first helical gear and the second helical gear are better meshed, the transmission efficiency is higher, the consistency and stability of the rotating speed are maintained, and the contact points of the meshing of the first helical gear and the second helical gear are more, so that the load can be balanced, and the abrasion and noise of the gears are reduced; the service life of the sensor speed tester can be prolonged, and the transmission reliability can be improved.

As a further aspect of the present utility model: the middle part of the second bevel gear is provided with a transmission shaft, and the shaft hole of the transmission shaft of the second bevel gear and the shaft hole of the output shaft of the servo motor are both square holes.

Because the middle part of second helical gear is provided with the transmission shaft, the shaft hole of second helical gear transmission shaft and the shaft hole of wait to servo motor output shaft all set up to the square hole, and this square hole can be applicable to square tenon formula sensor's installation, improves test application scope.

As a further aspect of the present utility model: one end of the output shaft of the servo motor and two ends of the second bevel gear transmission shaft are respectively provided with a shifting fork.

Because one end of the output shaft of the servo motor and two ends of the second helical gear transmission shaft are respectively provided with a shifting fork, the shifting fork can be suitable for being installed with a shifting fork type sensor, and the test application range is further improved.

As a further aspect of the present utility model: and a motor bracket is arranged between the servo motor and the coupler.

Because the motor bracket is arranged between the servo motor and the coupler, the stability of the servo motor in output can be maintained when the test speed source operates, and the precision and accuracy of the sensor in test speed are further enhanced.

As a further aspect of the present utility model: and a motor driver is arranged at one side of the servo motor.

Because one side of the servo motor is provided with a motor driver, the motor driver can monitor the rotating speed and the state of the servo motor and protect and control the servo motor; the service life of the motor can be prolonged, and the stability and reliability of the sensor speed tester can be enhanced.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a perspective view of the external structure of a sensor speed tester;

FIG. 2 is a perspective view of the internal structure of a sensor speed tester;

FIG. 3 is a top view of the internal structure of a portion of the sensor speed tester;

Fig. 4 is a perspective view of a pair of bevel gear structures of a sensor speed tester.

Reference numerals:

101. A housing; 102. a support plate; 103. a bottom plate; 104. a servo motor; 105. a coupling; 106. a speed reducer; 107. positioning holes; 108. a positioning plate; 109. a first helical gear; 110. a second helical gear; 111. a transmission shaft; 112. shifting fork; 113. a motor bracket; 114. a motor driver.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

1-4, A sensor speed tester for testing the speed of a locomotive sensor in cooperation with an oscilloscope, includes a housing 101, wherein a support plate 102 is respectively disposed at an end portion of one end of the housing 101 and two sides of the end portion, a bottom plate 103 is disposed at the bottom of the support plate 102, and the sensor speed tester further includes: a servo motor 104, one end of the servo motor 104 being provided with a coupling 105; a decelerator 106, the decelerator 106 being connected to the servo motor 104 through a coupling 105; positioning holes 107 are formed in the three support plates 102, and positioning plates 108 are arranged on the positioning holes 107; the speed reducer 106 is internally provided with a first bevel gear 109 and a second bevel gear 110, the first bevel gear 109 is arranged on the output shaft of the servo motor 104, and the second bevel gear 110 and the first bevel gear 109 are arranged in a crisscross manner and meshed with each other.

Specifically, this sensor speed tester adopts a pair of helical gear transition, and second helical gear 110 and first helical gear 109 vertically and horizontally staggered setting and intermeshing, through drive servo motor 104, by the epaxial first helical gear 109 of servo motor 104 output drive second helical gear 110 rotation, it installs the station to have increased two horizontal tests to compare prior art, be connected the sensor through locating hole 107 with first helical gear 109 and second helical gear 110 again, the speed differential has effectively been eliminated in the time of the test, the test accuracy has been improved, save equipment space when the energy saving, work efficiency has been improved.

As shown in fig. 4, the gear angles of the first helical gear 109 and the second helical gear 110 are 45 °, and the transmission ratio is 1:1.

Specifically, as the gear angles of the first helical gear 109 and the second helical gear 110 are 45 degrees and the transmission ratio is 1:1, the gears of the first helical gear 109 and the second helical gear 110 are better meshed, the transmission efficiency is higher, the consistency and stability of the rotating speeds are maintained, and the contact points of the meshing of the first helical gear 109 and the second helical gear 110 are more, so that the load can be balanced, and the abrasion and noise of the gears are reduced; the service life of the sensor speed tester can be prolonged, and the transmission reliability can be improved.

As shown in fig. 4, a transmission shaft 111 is arranged in the middle of the second helical gear 110, and the shaft hole of the transmission shaft 111 of the second helical gear 110 and the shaft hole of the output shaft of the servo motor 104 are square holes.

Specifically, since the transmission shaft 111 is disposed in the middle of the second helical gear 110, the shaft hole of the transmission shaft 111 of the second helical gear 110 and the shaft hole of the output shaft of the servo motor 104 are both square holes, and the square holes can be suitable for mounting of square tenon type sensors, so that the test application range is improved.

As shown in fig. 3, a fork 112 is provided at one end of the output shaft of the servo motor 104 and at both ends of the transmission shaft 111 of the second helical gear 110, respectively.

Specifically, because the shifting fork 112 is respectively arranged at one end of the output shaft of the servo motor 104 and two ends of the transmission shaft 111 of the second helical gear 110, the shifting fork 112 can be suitable for mounting a shifting fork type sensor, and the test application range is further improved.

As shown in fig. 2-3, a motor mount 113 is provided between servo motor 104 and coupling 105.

Specifically, since the motor bracket 113 is arranged between the servo motor 104 and the coupling 105, the stability of the output of the servo motor 104 can be maintained when the test speed source operates, and the accuracy and precision of the sensor in testing the speed are further enhanced.

As shown in fig. 2, a motor driver 114 is provided on one side of servo motor 104.

Specifically, since the motor driver 114 is disposed at one side of the servo motor 104, the motor driver 114 can monitor the rotation speed and state of the servo motor 104 and protect and control the servo motor 104; the service life of the motor can be prolonged, and the stability and reliability of the sensor speed tester can be enhanced.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a sensor speed tester, includes casing (101), the tip and the tip both sides of casing (101) one end are provided with extension board (102) respectively, extension board (102) bottom is provided with bottom plate (103), its characterized in that still includes:

A servo motor (104), one end of the servo motor (104) is provided with a coupler (105);

A decelerator (106), the decelerator (106) being connected with the servo motor (104) through the coupling (105);

positioning holes (107) are formed in the three support plates (102), and positioning plates (108) are arranged on the positioning holes (107);

The speed reducer (106) is internally provided with a first bevel gear (109) and a second bevel gear (110), the first bevel gear (109) is arranged on the output shaft of the servo motor (104), and the second bevel gear (110) and the first bevel gear (109) are arranged in a crisscross manner and meshed with each other.

2. The sensor speed tester according to claim 1, characterized in that the gear angles of the first bevel gear (109) and the second bevel gear (110) are both 45 °, and the transmission ratio is 1:1.

3. The sensor speed tester according to claim 2, wherein a transmission shaft (111) is provided in the middle of the second bevel gear (110), and both the shaft hole of the transmission shaft (111) of the second bevel gear (110) and the shaft hole of the output shaft of the servo motor (104) are square holes.

4. A sensor speed tester according to claim 3, characterized in that one end of the output shaft of the servo motor (104) and both ends of the transmission shaft (111) of the second bevel gear (110) are respectively provided with a shifting fork (112).

5. The sensor speed tester according to claim 4, characterized in that a motor bracket (113) is provided between the servo motor (104) and the coupling (105).

6. The sensor speed tester according to claim 5, characterized in that a motor driver (114) is provided on one side of the servo motor (104).