Digging a trench is one of the oldest type of work
Using both structure and digging. Before the world
War 2, the trench dug by hand. As a worker dug
Deeper trench, necessary for mooring sides, or
Support trench wall from supported cave exploration
Get in
Following the World War, several innovations took place
It seemed to have disappeared with backhoe and trench digging
As a profession. Hydraulic operation by 1950
Backhoe was developed to make it possible,
Dig a very deep groove rapidly. as a result
Since I had backhoe and innovation, and there was nothing
Digging trenches and workers inside, no walls
I needed to shore anymore.
It is like a thing known for all types of moats
It's time this time is over time
From time to groove has been dug in time
The wall of the trench starts to collapse. Stand-up time
It depends on many factors including type,
Soil, moisture content, depth of moat, weather
Condition, and whether soil is being done
I was disturbed
The stand-up time can be shortened by zero seconds
Or as long as months, so they are very like
It is difficult to predict. Before you can dig trench,
People estimate as soil samples
Time to stand up. Please be aware that there is soil
The condition can only be dramatically different
A few feet from where soil samples were taken.
After the trench is dug, the workers go down
In the trench, and what kind of work will be carried out
Install necessary laying pipe etc Phone
Line, welding pipe, or mounting valve. .
Trench walls are not supported, possibly
Trap workers with wall collapse
Trench is through history
100 - 300 people killed each year in the United States
It is caused by a collapse trench.
General people know that the industrial revolution has occurred
Progress is often a negative side effect
Well, the location of engineers to protect
The public from these types of side effects is very
Controversial problem. Using a trench box
The site will help to facilitate this discussion.
A moat box called a moat shield may also be
Place it in the trench to prevent failure.
Trench box hurting workers
A large version made from ordinary steel,
Parallel to the wall of the trench, horizontal
Cross member holding two plates
Away.
The lower entrance of the groove box rests at
The bottom of the moat with the top edge,
A box that extends above the top of the trench. of
The workers stay between the trench plates
When the box, trench collapses, so as not to become dirty
It is stopped by the outside of the trench box.
As work progresses, the moat box is pulled
With a moat with a backhoe or other machine.
Great drilling etc. for the project calling for time etc
Like digging the foundation for high buildings
The support structure for the dug wall
Please be specified in the plan. A big problem
Trench box
Water or sewer line is installed or
Repair completed engineer does not specify for
Trench box in the plan, but leave it instead
To builders.
Whenever you will dig trench
Working within them should always use common sense
And take your time. Trenches can be extremely deadly. ,
Especially if the moat box is not used. Be on top
Safety side always needs to use trench box
If you need to be in the trench. If you are not there
Trench must be - do smart things
And let the machine do all the work.
PPPPP
Skid loader
The skid loader is a hard frame powered,
Machine with rising arm used for mounting
A variety of labor-saving tools and attachments.
Skid loader is usually with four wheel drive
Independent left-hand drive wheels
Right drive wheel. With each side
Independent to the other, wheel speed
The direction of rotation of the wheel is determined
Direction in which the loader rotates.
Skid loader can turn with their own
They become highly agile track, and
Valuable for work requiring the use of compact,
Agile loader.
Unlike the conventional front loader, the rising arm
Major pivot point
It is located behind the shoulder of the operator. Cause
The operator is nearby to move
Faster model of boom and bucket skid loader
It was not as secure as the front loader,
Especially between entering and exiting.
The skid loader is surrounding a taxi sufficiently today
Other safety features to protect operators
From injury. Just like the other front loader,
Skid - From Steel to Cutting Material
Carrying the material in the bucket to another location,
Or load material of a truck or trailer.
operation
The skid loader sometimes can take the place of a
A large excavator by digging a hole from
Inside skid loader dig first ramp.
It connects to the edge of the hole. after that,
Loader uses a ramp to carry material
The hole's.
The skid loader then rebuilds it by ramp
As excavation, it has become steep and long
More deeply, this method is very convenient in the following cases
Digging under an overhead style structure Where where
Organizing overhead type does not enable boom
Large excavators, like those conditions like
You are digging the basement under the house.
There can be a bucket of most types of skid loader
Multiple professional buckets of substitution and
Attachments, many of which are supplied by
Loader hydraulic system.
history
The first three moved front part loaders were invented
By their two brothers, Cyril and Ruikeler
Back to 1957 Mechanical Engineering Shop in Minnesota State. this
Kellers built a loader to help nearby farmers
Clean Turkey fertilizer from his two-storey barn. this
Light and dense loader with rear wheel,
The wheel was able to turn around within the length
While performing the very same task of itself
Conventional front end loader.
Merlot's manufacturing company
In Gwinner ND, I bought Keller's right
In 1958 I hired a loader and continuing brothers
The invention of their loader. as a result
Partnership, M-200 There was a self-propelled loading machine
It was introduced at the end of 1958.
Front drive
Wheels and rear wheels, 12.9 engine
Lift capacity of 750 lb. Two years later, they
Exchange the castor wheel to the rear
Introduced M-400 loader which was made as axle
First four-wheel skid bull loader
world
In 1962, it was added to describe the name of Bobcat
Machine's main functions - touch, agile, and
As soon as the M - 440 was powered by the 15.5 HP engine
And provided operating capacity evaluated by 1100 lb.
In the mid-1960's, the skid steer loader advanced.
Using the installation of the M600 loader.
Later years, Bobcat skid bull loader experienced
Quite a few changes, including development,
Drive of hydrostatics, structure of taxi carried out,
Arm configuration of radius and vertical rising,
Deluxe instrument use and heating and air
condition
In addition to today's rubber tire skid loader,
There is now a uniform loading machine for bulls on all wheels and uniform
Small truck loader. Provide dense track load
Less ground interference and better traction of features
And control of soft, muddy, wet, and sand
Ground condition.
PPPPP
0 comments:
Post a Comment