Hydraulic torque converter test system for construction machinery in the automotive industry transmission system, in the product development and delivery testing must ensure the transmission product performance and product quality, so it is particularly important to strictly test the performance of the transmission. According to the performance test method of hydraulic torque converter of NATIONAL standard GB-T 7680-2005 JB/T9720-2001 for construction machinery transmission and referring to other national standard requirements and various assembly test standards, this system carries out type verification test for hydraulic torque converter system test purpose, test procedure and test method.

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GT4000 -- Hydraulic torque Converter for construction Machinery -- Product background

Summary:

Bench pictures

Reference standards:

Test Method for performance of Hydraulic torque Converter

L JB/T9720-2001 Construction Machinery - Test Methods for transmission performance

Technical conditions of hydraulic transmission devices for construction machinery

L GB 50150 Electrical Installation Engineering Standard for electrical Equipment handover test

L GB/T 50055-93 Distribution design specification for general electric Equipment

L Mechanical manufacturing system according to GB9061-85

L Electrical system according to GB5226-85

GT4000 -- Hydraulic torque Converter for construction Machinery -- Topological structure

Topology diagram

GT4000 -- Hydraulic torque converter test system for construction machinery adopts modular and integrated design. The operation part conforms to ergonomic design and can complete manual/automatic mode control. It is composed of mechanical system, driving system, loading system, hydraulic system, electrical system and upper computer software system.

L Mechanical system: cast iron platform, bearing housing, drive system mechanical connection device, load system mechanical connection device, shafting connection part and other equipment composition.

L drive system: high speed and low inertia drive motor, torque and speed measuring device.

L Loading system: low speed and high torque loading dynamometer, torque and speed measuring device.

L hydraulic system: hydraulic system, pressure testing system and other equipment.

Electrical system: drive, load controller, real-time data acquisition system, data acquisition, alarm system and other equipment composition.

L Software system: Upper computer test software is divided into data acquisition and communication module, data acquisition and setting module, data real-time exchange and control module, and data processing module. By the upper computer according to the test project to complete the test control, data analysis and display, data record and export and other functions.

GT4000 -- Hydraulic torque Converter for construction Machinery -- System functions

Basic range and accuracy:

● Driving recommended power range: 0~500KW power level, support other other power, speed, torque level customization;

● Driving speed measurement range: 0~3300r/min;

● Driving torque measurement range: 0~3000N. M;

● Recommended power range for load: 0~500KW power level, supporting other customization of power, speed, torque level;

● Load speed measurement range: 0~2000r/min;

● Load torque measurement range: 0~10000N.m;

Experimental items:

Traction performance test, zero speed performance test, reversal performance test, load performance test, sliding performance test, etc.

GT4000 -- Hydraulic torque Converter for construction Machinery -- Key features

01 Functional Modularization

All the platforms are set up with functional modularization and concentrated in one test system in the form of module combination. Customers can increase or decrease test modules according to different test objects.

02 Advanced means of measurement

Advanced real-time measurement and control system is adopted, including input electrical parameters test, rotational speed torque test, etc. The sampling rate of torque and rotational speed is up to 1000Hz, which meets the requirements of high precision and rapid response of the test system. Moreover, transient data and eigenvalue data are provided to facilitate the comprehensive analysis of test process data by software in the later stage.

The test items are complete

According to the test requirements stipulated by national standards, the test items can be increased or decreased according to the configuration module, which can meet the test items for various types of tests

04 Driving system

Using asynchronous motor as the system drive input, improve the system torque and speed of the dynamic response characteristics and provide measurement range and precision, improve the driving performance (positive/reverse), shorten the response time of loading, can realize the load of any load curve, highly simulate the real-time operation of the electric drive assembly.

05 Loading system

High torque and low speed dynamometer are adopted as the system load. According to the characteristics of the tested parts, high-precision torque and speed sensors are adopted to improve the data dynamic response adoption rate. Vector /DTC mode is adopted to load the system, which can be loaded according to the required high-speed dynamic loading characteristics, thus highly simulating the real-time operation condition of transmission output.

06 Humanized design

Adopt professional gearbox test bench, fixture has fast clamping function, and convenient loading and unloading, can adapt to different gearbox installation, system operation recommended to use the cabinet + computer desk control mode, can complete the unit set complete all test operation layout.

08 Customized test software

The test system test software developed by Sichuan Chengbang software research and development team categorizes the software interface and process according to the national standard test items to reduce repeated tests and greatly improve the work efficiency of test personnel. It also has the functions of real-time curve drawing, transient value capture, trend curve drawing and analysis, multi-parameter combination display, qualification determination, report export and so on.

GT4000 -- Hydraulic torque Converter for construction machinery -- Major applications

L Hydraulic torque converter for various construction machinery

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Tel：028-85737373 | Email：cb@chengbang.cn | Address：No. 1588, Checheng West 5th Road, Longquanyi District, Chengdu

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