The power of the truck-mounted drilling rig and workover rig comes from the engine and will be transferred to the axle, drawworks, rotary table through a variety of transmission boxes and transmission components.
Upper Chain Box Lower Chain Box
Description
Product Name: Upper chain box Lower chain box
Upper & Lower Chain Box
Overview
The power of the truck-mounted drilling rig and workover rig comes from the engine and will be transferred to the axle, drawworks, rotary table through a variety of transmission boxes and transmission components. These transmission boxes mainly consist of compound transfer gearbox, transfer case (drop box), angle gearbox (compound angle gearbox), rotary table drive gearbox (rotary table drive upper &lower angle gearbox), upper & lower chain box, etc.
Feature
The box body of the upper chain box is welded by steel plate, which is mainly composed of input sprocket, output sprocket, oil roller chain, box body, and other accessories.
The lower chain box is mainly used to transfer power to the rotary table, usually composed of positive & reverse shift gearbox and chain box.
The lower chain transmission box consists of two parts: five positive five-reverse gearbox and chain transmission box. The five-positive five-reverse gearbox is a parallel gear transmission box, and the box is welded by steel plate. Chain transmission box is also made of steel plate welding, mainly consists of the input sprocket, output sprocket, oil roller chain, chain box, and so on.
Model
The commonly used product models of the upper chain box are as follows:
1) Rotary Table Transmission Chain Box
The ZJ30CZ-04-01-00 gear case is a part of the rotary table transmission device, and the rotary table transmission device is mainly for providing and transferring power for the rotary table. The gear case can realize the positive and negative conversion direction of the rotary table rotation.
The rotary table transmission chain box consists of the following thee main parts: ZJ30CZ-04-01-00 gear case, ZJ30CZ-04-02-00 lower chain box, and ZJ30CZ-04-03-00 upper chain box. It also includes ATD318H axial push disk clutch and inertial brake device.
The ZJ30CZ-04-01-00 gear case is a parallel gear structure reducer. The body of the box is welded by steel plate, equipped with a fuel tank and a gear oil pump, so it can provide forced lubrication for gears.
The gear pair consists of three parallel straight gears, three gear teeth are z=37, z=38 and z=38 respectively, so its transmission ratio is about 1:1, it can achieve the positive and negative direction output through the engaging and disengaging of the gear.
2) Chain Box
3) Upper & Lower Chain Box
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