Agriculture,
Год журнала:
2024,
Номер
14(3), С. 344 - 344
Опубликована: Фев. 21, 2024
To
improve
the
distribution
of
mud
particles
collected
in
tray
during
operation
paddy
field
spreader
blades,
optimal
combination
parameters
for
blades
that
results
best
uniformity
dispersion
needs
to
be
identified.
In
this
study,
a
thorough
force
analysis
was
conducted
on
spreading
process,
and
computational
equations
were
formulated
describe
motion
particles.
By
utilizing
discrete
element
simulation
technique,
model
developed
accurately
represent
intricate
interaction
between
Through
single-factor
experiments,
ranges
key
such
as
rotation
radius,
bending
angle,
sub-blade
tilt
forward
velocity,
rotational
speed
blade
determined.
A
secondary
orthogonal
design
employed
establish
regression
prediction
non-uniformity
parameters.
Subsequently,
multivariate
single-objective
optimization
method
used
develop
an
dispersion.
The
indicate
hierarchical
order
factors
influencing
is
follows:
radius
>
angle
velocity
angle.
achieve
minimum
29.63%,
specific
configuration
required,
which
includes
188
mm,
121°,
30°,
400
mm/s,
191
r/min.
Finally,
accuracy
verified
by
means
bench
tests.
research
provide
crucial
reference
enhancing
blades.
Agriculture,
Год журнала:
2025,
Номер
15(3), С. 337 - 337
Опубликована: Фев. 4, 2025
The
layered
soil
crushing
rotary
tillage
machine
with
L-shaped
reclamation
blades
and
rotary-reclamation
combination
was
designed
to
deal
the
problems
of
a
low
fragmentation
rate,
straw
mulching
poor
surface
leveling
after
plowing
in
traditional
tiller
mode
coastal
saline
land
Yellow
River
Delta.
A
dual
active
proposed,
key
structural
parameters,
blade
axis
arrangement,
spatial
layout
were
determined
based
on
sliding
cutting
principle
analysis.
discrete
element
model
component
aggregates
suitable
for
alkali
constructed
using
EDEM,
influence
layer
displacement
performance
burial
comprehensively
analyzed
from
microscopic
perspective.
Taking
rotation
speed
blades,
forward
as
experimental
factors,
rate
evaluation
indicators
optimization
analysis,
optimal
parameters
obtained:
295.04
r/min,
359.06
3.12
km/h.
At
this
time,
theoretical
94.67%,
93.56%.
Field
experiments
have
shown
that
average
combined
cultivation
is
94.37%,
95.68%,
flatness
25.82
mm,
stability
depth
95.64%.
has
increased
comparison
single
tillers,
meeting
needs
crop
bed
preparation
land.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 20, 2025
The
paper
aims
to
slove
the
problems
of
low
sowing
depth
qualification
index
and
poor
seeding
stability
during
in
summer
direct-sown
cotton
Yangtze
River
Basin
China.
To
this
end,
a
seeder
with
rotary
tillage
electric
drive
was
designed.
In
order
satisfy
agronomic
requirements
cotton,
key
structural
parameters
planter
were
determined,
factors
affecting
derived.
test
method
orthogonal
adopted,
initial
traction
angle,
spring
increment,
Working
speed
machine
serving
as
factors,
consistency
coefficient
variation
indexes.
results
demonstrated
when
angle
set
0°.
increment
15mm,
3km·h-1,
obtained
be
95.59%,
7.38%.
A
conducted
assess
accuracy
control
seed
dispenser
system.
plant
spacing
at
15,
18,
20
cm,
4.01-6.10
km·h-1.
overall
mean
adjustment
time
for
disk
1.04
seconds,
standard
deviation
0.36;
steady-state
error
0.28
r/min,
0.21
r/min;
98.86%,
1.01.
field
15
cm
that
not
fixed.
able
focus
on
within
range
qualified
grain
(15
±
3
cm)
emergence
seedlings.
average
Conformity
86.48%,
minimum
83.81%.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Май 13, 2025
This
paper
proposes
an
innovative
back-rotating
flinging
method
for
digging
out
oilseed
beans,
which
is
more
suitable
lifting
the
excavated
material,
in
response
to
short
service
life
of
existing
device
caused
by
entanglement
root
system
with
cutting
tool.
Through
analysis
interaction
and
influence
between
rotary
tiller
soil-root
complex
plant,
a
kinetic
model
kudzu
rhizome
being
chopped
thrown
was
constructed,
operating
mechanism
reverse
overall
overturning,
collision
fragmentation
plant
clarified.
A
discrete
element
soil-enveloped
hyacinth
bean
constructed
its
entirety.
The
structural
parameters
were
optimised
using
simulation
field
bench
tests.
