Model NO.: ISH-TDV1000A
Calibrating Method: Standard Hardness Test Blocks
Rated Voltage: 110/220V,50Hz
Support Language: English
Customized: Non-Customized
Dimension: 540X500X640mm
Weight: 50kg
Transport Package: Wooden Case
Origin: China
HS Code: 9024102000
Specification
Measure hardness of thin or small workpieces
Based on Vickers(HV), can be converted to Rockwell(HRA, HRB and HRC)
Test force 0.01, 0.025, 0.05, 0.1, 0.2, 0.3, 0.5, 1, 2kgf
Vickers scales HV0.01, HV0.025, HV0.05, HV0.1, HV0.2, HV0.3, HV0.5, HV1
Stage elevation  manual
Load control  automatic (load/dwell/unload)
Load dwell time  5-60second (5 second increment)
Objective  10X, 40X
Eyepiece 15X
Total magnification 150X (for observation)
600X (for measurement)
Max. workpiece height 85mm
Max. workpiece depth 85mm (from the center of indenter)
X-Y stage dimensions: 100×100mm  
travel range: 25×25mm
graduation: 0.01mm
Data output RS232C
Dimension 540×500×640mm
Weight 50kg
Standard Delivery
Main unit 1pc
10X, 40X objective 1pc of each
Micro Vickers indenter 1pc
Micro Vickers test block(400-500HV1) 1pc
Micro Vickers test block(700-800HV1) 1pc
Slice holder 1pc
Vice 1pc
Cylinder holder 1pc
Level 1pc
Dust Cover 1pc

Optional Accessory
20X objective ISH-TDV-20X
Micro Vickers test block(400-500HV1) ISH-BHV02
Micro Vickers test block(700-800HV1) ISH-BHV1

Hoisting Mechanism And Spare Parts

The hoisting mechanism for a Tower Crane typically consists of a combination of a motor, a gearbox, wire ropes, and a hook block. Here is a breakdown of its components and how they work together:

1. Motor: The hoisting motor provides the power needed to lift and lower loads. It is usually an electric motor that generates high torque to handle heavy loads.

2. Gearbox: The motor's rotational motion is transmitted to the hoisting drum through a gearbox. The gearbox helps increase the torque and reduce the speed of the motor, enabling the crane to lift heavy loads at a controlled speed.

3. Hoisting Drum: The hoisting drum is a cylindrical drum around which the wire ropes are wound. It is directly connected to the gearbox and rotates as the motor operates. The drum's size and design determine the amount of Wire Rope it can hold.

4. Wire Ropes:
The wire ropes are wound around the hoisting drum and connected to the hook block. These ropes are made of high-strength steel and have a high load-bearing capacity. Multiple wire ropes are used to distribute the load evenly and ensure stability during lifting operations.

5. Hook Block: The hook block is attached to the lower end of the wire ropes and is responsible for carrying the load. It consists of a pulley system with one or more sheaves, which allows the wire ropes to change direction and support the load securely.

During operation, the motor drives the hoisting drum through the gearbox. As the drum rotates, the wire ropes are wound or unwound, depending on the direction of rotation. This movement raises or lowers the hook block, allowing the crane to lift or lower loads.

The hoisting mechanism is controlled by the crane operator using various controls and switches. Safety features such as limit switches and overload protection systems are also incorporated to prevent accidents and ensure safe lifting operations.

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SHEN YANG BAOQUAN BUSINESS CO., LTD , https://www.sytoplesstowercrane.com