CN-224216312-U - Stepless speed regulating driver test bed for diesel locomotive

CN224216312UCN 224216312 UCN224216312 UCN 224216312UCN-224216312-U

Abstract

The utility model discloses a stepless speed regulating driver test bed of an internal combustion locomotive, which comprises a box body, wherein an air inlet is formed in the side face of the box body, a dustproof component is fixedly arranged outside the air inlet, the box body comprises a shell, a motor component is fixedly arranged in front of the inside of the shell, a motor component is fixedly arranged on the outside of the shell, an external plug is fixedly arranged on the side face of the shell, and a PLC (programmable logic controller) and a power supply are fixedly arranged in the inside of the shell. According to the diesel locomotive stepless speed regulating driver test bed, the PLC is utilized to simulate the control signal of the target stepless speed regulating driver to enable the stepless speed regulating driver to drive the stepping motor to work, meanwhile, the encoder is used for collecting data of the stepping motor to process and calculate, and related data results are displayed in the touch screen, so that manual estimation according to experience is not needed, the accuracy of the test is improved, and errors are reduced.

Inventors

XU SHAOJUN
LI RONGFENG
MENG JUN
ZHANG WEIDONG
WU DONGHAO
ZHOU JUNLONG
WANG WEI
ZHONG QUANHUI
ZHOU JIE
XIN CHEN

Assignees

中国铁路广州局集团有限公司株洲机务段

Dates

Publication Date: 20260508
Application Date: 20250626

Claims (7)

1. The stepless speed regulating driver test bed of the diesel locomotive comprises a box body (1) and is characterized in that an air inlet (2) is formed in the side surface of the box body (1), and a dustproof assembly (3) is fixedly arranged outside the air inlet (2); The box body (1) comprises a shell (11), a motor assembly (12) is fixedly arranged in front of the inside of the shell (11), the motor assembly (12) is fixedly arranged on the outside of the shell (11), an external plug (13) is fixedly arranged on the side face of the shell (11), a PLC (programmable logic controller) 14 and a power supply (15) are fixedly arranged in the inside of the shell (11), and a touch screen (16) and a ammeter (17) are fixedly arranged on the front side of the shell (11); The motor assembly (12) comprises a mounting seat (121) fixedly mounted in the inner front of the shell (11), a stepping motor (122) is fixedly mounted on the rear side of the mounting seat (121), an encoder (123) is fixedly mounted in the mounting seat (121), and an elastic coupler (124) is fixedly mounted between the stepping motor (122) and the encoder (123).
2. The diesel locomotive stepless speed regulating driver test stand according to claim 1, wherein the external plug (13) is arranged on one side of the shell (11) far away from the air inlet (2).
3. The diesel locomotive stepless speed regulating driver test stand according to claim 1, wherein a switch connected with a power supply (15) is fixedly arranged on the front side of the shell (11).
4. The diesel locomotive stepless speed regulating driver test bed as claimed in claim 1, wherein the dustproof assembly (3) comprises a clamping frame (31) fixedly installed on the side face of the shell (11), the top of the clamping frame (31) is provided with an opening, a dustproof frame (32) is movably clamped in the clamping frame (31), a filter screen (33) is fixedly installed on the inner side of the dustproof frame (32), guide boxes (34) are fixedly connected to the front side and the rear side of the clamping frame (31), clamping heads (35) are movably clamped in the guide boxes (34), springs (36) are fixedly connected between the clamping heads (35) and the guide boxes (34), clamping grooves (37) are formed in the front side and the rear side of the dustproof frame (32), and the clamping heads (35) are movably clamped in the clamping grooves (37).
5. The diesel locomotive stepless speed regulating driver test stand according to claim 4, wherein the inner side of the clamping head (35) is in a circular arc shape, and the clamping groove (37) is matched with the clamping head (35).
6. The diesel locomotive stepless speed regulating driver test stand according to claim 5, wherein the clamping frame (31) is covered on the outer side of the air inlet (2), and a rubber ring is adhered on the inner side of the dustproof frame (32).
7. The diesel locomotive stepless speed regulating driver test bed according to claim 5, wherein the cooling fans (4) which are symmetrically arranged on the left and right are fixedly arranged in the rear part of the box body (1).

Description

Stepless speed regulating driver test bed for diesel locomotive Technical Field The utility model relates to the technical field of stepless speed regulation driver test tables, in particular to a diesel locomotive stepless speed regulation driver test table. Background The stepless speed regulating driver is a device capable of realizing smooth speed regulation, stepless regulation is realized by changing transmission proportion and transmission form, and the main function of the stepless speed regulating driver test bed is to test and verify the performance and function of the stepless speed regulating driver. By carrying out various tests on the test bed, the stability and the reliability of the driver in practical application can be ensured, and along with the continuous improvement of the maintenance quality requirements of the railway locomotive, the accuracy of data required to be tested in the maintenance process of more and more locomotive accessories is higher and higher; The existing stepless speed regulating driver test device has no timing function, and the rotating speed of the servo motor is estimated only by manual experience, so that a large error exists, and the stepless speed regulating driver test table for the diesel locomotive is provided, so that the effect of accurately measuring key parameters of the stepless speed regulating driver of the Dongfeng locomotive in the test process is achieved. Disclosure of utility model The utility model aims to provide a stepless speed regulating driver test bed for an internal combustion locomotive, which solves the problems that the existing stepless speed regulating driver test bed provided in the background technology has no timing function and has larger error when the rotating speed of a servo motor is estimated only by manual experience. The technical scheme is that the stepless speed regulation driver test bed for the diesel locomotive comprises a box body, wherein an air inlet is formed in the side face of the box body, a dustproof assembly is fixedly arranged outside the air inlet, the box body comprises a shell, a motor assembly is fixedly arranged in front of the inside of the shell, a motor assembly is fixedly arranged on the outer side of the shell, a counter-external plug is fixedly arranged on the side face of the shell, a PLC (programmable logic controller) and a power supply are fixedly arranged in the inner bottom of the shell, a touch screen and a current voltmeter are fixedly arranged on the front side of the shell, the motor assembly comprises an installation seat fixedly arranged in front of the inside of the shell, a stepping motor is fixedly arranged on the rear side of the installation seat, an encoder is fixedly arranged in the inside of the installation seat, and an elastic coupling is fixedly arranged between the stepping motor and the encoder. Preferably, the external plug is arranged at one side of the shell far away from the air inlet. Preferably, a switch connected with a power supply is fixedly arranged on the front side of the shell. Preferably, the dustproof assembly comprises a clamping frame fixedly arranged on the side face of the shell, the top of the clamping frame is provided with an opening, the inside of the clamping frame is movably clamped with a dustproof frame, the inside of the dustproof frame is fixedly provided with a filter screen, the front side and the rear side of the clamping frame are fixedly connected with guide boxes, clamping heads are movably clamped in the front side and the rear side of the guide boxes, springs are fixedly connected between the clamping heads and the guide boxes, clamping grooves are formed in the front side and the rear side of the dustproof frame, and the clamping heads are movably clamped in the clamping grooves. Preferably, the inner side of the clamping head is in a circular arc shape, and the clamping groove is matched with the clamping head. Preferably, the clamping frame covers the outer side of the air inlet, and a rubber ring is adhered to the inner side of the dustproof frame. Preferably, the heat dissipation fans which are symmetrically arranged left and right are fixedly arranged at the rear part in the box body. Compared with the prior art, the utility model has the beneficial effects that: 1. The PLC is utilized to simulate the control signal of the stepless speed regulating driver of the test target, so that the stepless speed regulating driver drives the stepping motor to work, meanwhile, the encoder is used for collecting the data of the stepping motor for processing and calculating, and the related data result is displayed in the touch screen, so that the manual estimation according to experience is not needed, the test accuracy is improved, and the error is reduced; 2. The elasticity of the spring makes the dop block in the draw-in groove, and fixed dustproof frame prevents that it from rocking or coming off, ensures stably, and when clearance or chan