Sichuan Chengbang Haoran Measurement and Control Technology Co., Ltd.
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NT4000 - Anti - drop test system

On the construction site, in order to facilitate the transportation of materials, many construction sites will install construction lifts to ensure the efficiency of work. Some construction lifts can carry people because they are equipped with anti-fall safety devices, which greatly improve the safety factor. At the same time, due to the safety of anti - fall safety related to human life, so its factory testing is very strict, the test bench is widely applicable to all kinds of water pump development verification test, factory testing.

Case Presentation

NT4000 - Anti - drop test system - Product background

Summary:

On the construction site, in order to facilitate the transportation of materials, many construction sites will install construction lifts to ensure the efficiency of work. Some construction lifts can carry people because they are equipped with anti-fall safety devices, which greatly improve the safety factor. At the same time, due to the safety of anti - fall safety related to human life, so its factory testing is very strict, the test bench is widely applicable to all kinds of water pump development verification test, factory testing.

Bench pictures

Reference standards:

L JG121-2000_ Progressive cone-drum safety device for construction lift

Rules for the Inspection of Construction Lifts

Test Methods for construction lifts

L Mechanical manufacturing system according to GB9061-85

L Electrical system according to GB5226-8

NT4000 - Anti - drop test system - Topology

Topology diagram

NT4000 -- Anti-falling device test system adopts modular and integrated design, the operation part conforms to ergonomic design, and can complete manual/automatic mode control. It is mainly composed of mechanical system, electrical system and upper computer software system.

Mechanical system: mechanical platform, driving motor, inertia wheel set, clamping system, shafting connection part and other equipment.

Electrical system: drive controller, sensor (torque, speed, temperature) data acquisition system, 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 according to the system. 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.

NT4000 - Anti - drop test system - System functions

Basic range and accuracy:

● Recommended measuring range of output speed: 0~3000r/min;

● Recommended output torque measurement range: 0~5000N.m;

● Speed measurement accuracy: ±1r/min;

● Torque measurement accuracy: ±0.2%F.S;

● Meet the test scope: SAJ30, SAJ40, SAJ50, SAJ60

The above measurement accuracy can be configured and selected according to the actual demand.

Experimental items:

L Braking distance of anti-drop device

L Anti-drop brake torque

L Locket on/off state

NT4000 - Anti - drop test system - main features

01 Functional Modularization

The whole design of the platform is adopted, and the modular component combination is adopted inside, which is convenient for the platform combination and maintenance.

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 the national standard, the test items can be added or subtracted according to the configuration module, which can meet various type verification test items

04 Motor + inertia wheel energy storage

The asynchronous motor is used to drive the whole shafting and drive the inertia wheel to store energy, which changes the traditional energy storage mode, improves the dynamic measuring range and precision of the system with large torque and high speed, and improves the drive energy reserve.

05 Humanized design

Adopt professional bench design, fixture has quick docking function, and convenient loading and unloading can be adapted to different specimen installation.

Customized test software

The test system test software developed by Sichuan Chengbang software development team designs the software according to the test process, categorizes the software interface and control process, reduces the repetition of tests, and greatly improves the work efficiency of the test personnel. The component-based development technology is used to realize the functions of adding and deleting measurement parameters, editing measurement parameters, adjusting parameter display interface, etc. Real-time acquisition and display of speed, torque, power, real-time time, linear speed, switching state and other measurement parameters; The variation trend curve of any measured parameter can be drawn in real time. MS Access is used as the database engine to save the test data in MDB format. The test data can be consulted and modified; 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.

NT4000 - Anti - drop test system - main applications

L for device

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