What Are The Advantages Of Crawler Hydraulic Rigs?

Crawler mounted hydraulic DTH drilling rig refers to a fully hydraulic rock drilling and drilling machine equipped with a crawler traveling mechanism. The crawler hydraulic drilling rig consists of a power unit alongside a hydraulic system, a crawler traveling mechanism, a drill frame that includes a hydraulic rock drill and a propeller, a support arm, and a drill rod unloading device.

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Introduction

The crawler hydraulic drilling rig design incorporates a comprehensive hydraulic rock drilling mechanism that features a crawler traveling system.

Structure

The crawler hydraulic drilling rig includes a power unit and hydraulic system, a crawler traveling mechanism, a drill frame equipped with a hydraulic rock drill and a propeller, a support arm, and a drill rod unloading device. It can achieve a drilling hole diameter ranging from 35 to 125mm and a depth of up to 30m, making it suitable for extensive stone excavation and drilling tasks. All operations, apart from high-pressure air or water utilized for drilling, are conducted hydraulically.

Crawler Mounted Hydraulic DTH Drilling Rig

Advantages

In comparison to pneumatic rock drills (air drills), crawler hydraulic drills offer benefits such as lower power consumption, faster rock drilling speeds, reduced noise levels, and enhanced working conditions.

Features

Hydraulic crawler drills stand out as the quintessential products of hydraulic rock drills, featuring:

(1) The ability to swing, telescope, and swivel, granting the rig adaptability to various operational environments and minimizing preparation time for tasks.

(2) A two-way hydraulic locking device at the front end of the working cylinder, ensuring safety and stability.

(3) A tracked walking mechanism that utilizes a separate pressurized driving device and is equipped with a hydraulic jack support system, which allows for in-place rotation and adaptation to uneven ground.

(4) The incorporation of a drill pipe unloading device that accommodates 5 to 7 drill pipes, facilitating quick execution of operations related to connecting, disassembling, centering, and the insertion or removal of drill pipes, thus saving time and decreasing physical effort.

Tracked Pneumatic Drilling Rig Efficient Applications in Coal Mines

Pneumatic drilling rigs for mining are efficient machines with simple operation and are particularly effective in coal mining scenarios. The crawler-type pneumatic drilling rig is powered by compressed air for both mobility and drilling capabilities. While the concept may sound intricate, it is user-friendly. The controls consist of one row of operational tables and six levers for operations such as moving forward, backward, turning, adjusting the drilling angle, and commencing drilling.

The drilling and mobility functions of the crawler pneumatic drill are managed from a separate console. During drilling operations, one must stabilize the rig first by switching the rig console's start-stop button to off, followed by opening the rear ball valve on the pumping station. This action allows access to the pneumatic controls. The drilling console features two reversing valves to oversee the rig's rotation and advancement, along with a ball valve that regulates water flow during drilling. The control valve on the right controls the rig's rotation while pushing the host forward and pulling backward for reverse. The middle position halts movement. The left control valve governs that of the gyrator, pushing it forward, pulling it back, or stopping it at the midpoint.

This particular type of underground crawler pneumatic drilling rig is designed to operate with high-pressure air outlets, negating the need for motors or electricity and posing a minimal risk of explosion, which is a crucial safety feature. In addition, pneumatic crawler drills can traverse belts and scrapers, making them ideal for drilling underground holes, including those for water, gas, pressure relief, and punching.

CWD400 Crawler Mounted Water Well Drilling Rig

The CWD400 is a versatile, multi-functional full hydraulic water well drilling rig known for its efficiency, primarily used in water well drilling for industrial and agricultural purposes, as well as for national defense construction foundations, geological exploration, geothermic wells, and other foundational works, and enjoys popularity both domestically and internationally.

The CWD400 crawler mounted drilling rig is capable of drilling through various formations; mud drilling is utilized in soft ground, while an air DTH hammer is employed for rock drilling. The DTH hammer significantly increases efficiency by allowing expulsion of debris via air pressure, surpassing traditional rotary drilling by a factor of ten.

Moreover, the CWD400 deep water well drilling rig performs efficiently in both cutting and rotary drilling in unconsolidated layers where debris can be removed either through mud or via air pressure under impact drilling operations. This hydraulic water well drilling rig is equipped to handle complex geological conditions.

Specification

No.

Specification

Unit

CWD400

1

Geology drilled

All kinds

2

Drilling Type

DTH & Mud Rotary

3

Drill system and operation

Hydraulic

4

Hole Diameter

mm

Φ105-Φ350

5

Hole Depth

m

400

6

Rotation Torque

Nm

7

Rotation Speed

rpm

0-65    1st

70-120   2nd

8

Drill pipe diameter

mm

89/102/114

9

Drill pipe length

mm

10

Max. Feed Speed

M/min

18

11

Max. Lifting Speed

M/min

5-20

12

Feed Stroke

mm

13

Max. pull back capacity

Ton

14

Lifting force of hoist

Ton

1.5

15

Lifting height of tool winch

m

6

Engine

16

Diesel Engine type

YUCHAI

17

Rated Horse power

Kw

80

18

Electrical System

Volt

24

19

Compressor required

20

Compressor Type

Rotary Screw/Movable

21

Pressure Required

Mpa

1.05

~2.46

22

Air consumption

m³/min

16-30

23

Mud Pump(Optional)

Type

Hydrulic

24

Model

BW450

25

Stroke

mm

100

26

Displacement

L/Min

450

27

Discharge pressure (Mpa)

Mpa

2-5

28

Generator(Optional)

Power Type

Diesel Engine/Hydraulic

29

Power

KW

24

30

Dimension

31

Net Weight

Ton

32

Shipping Length

mm

33

Shipping Width

mm

34

Shipping Height

mm

35

Ground Clearance

mm

300

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