1 fixed axial piston hydraulic motors with block of safety relieve valves bopk.20 with block of...

1

Fixed axial piston hydraulic motors with block of safety relieve valves BOPK.20

with block of brake valves WBV.20Q=200 l/minfor winches

2

Hyd

rau

lic m

oto

r d

esi

gn

:-

fixe

d d

isp

lace

me

nt

- b

en

t a

xis

axi

al p

isto

n-

sta

nd

ard

fla

ng

e-

cart

ridg

e t

ype

Pa

ram

ete

rs o

f sa

fety

re

lieve

va

lve

s:-

op

era

ting

pre

ssu

re

- 3

50

ba

r-

ma

x p

ress

ure

- 4

00

ba

r

Pa

ram

ete

rs o

f b

rake

va

lve

s:-

op

era

ting

pre

ssu

re

- 3

50

ba

r-

ma

x p

ress

ure

- 4

00

ba

r-

ma

x flo

w

- 2

00

l/m

in

Pa

ram

ete

rs o

f p

ress

ure

re

du

ctio

n v

alv

e:

- re

du

ced

pre

ssu

re

– 1

7…

70

ba

r

Description

Fix

ed

axi

al p

isto

n h

ydra

ulic

mo

tor

Blo

ck o

f sa

fety

re

lieve

va

lve

s

Blo

ck o

f b

rake

va

lve

s

Fu

nct

ion

s:-

pro

tect

ion

of

pre

ssu

re c

ircu

it a

ga

inst

ove

rloa

d-

smo

oth

an

d f

ine

loa

d lo

we

ring

-

relia

ble

lock

ing

asl

op

e-

bra

ke c

on

tro

l of

pla

ne

tary

ge

arb

ox

3

Hydraulic circuit

De

sig

n:

M–

hyd

rau

lic m

oto

rP

V–

re

lieve

ch

arg

e v

alv

es

BV

– b

rake

va

lve

sO

R–

log

ic v

alv

e «

OR

»R

V–

pre

ssu

re r

ed

uci

ng

va

lve

А,

В

– w

ork

ing

lin

es

po

rts

Т1

, Т

2–

po

rts

of

hyd

rau

lic m

oto

r d

rain

lin

es

S

– c

ha

rge

lin

e p

ort

T3

–

dra

in li

ne

po

rt o

f b

rake

va

lve

s b

lock

Ge

xt

– p

ort

of

bra

ke c

on

tro

l lin

e o

f p

lan

eta

ry g

ea

rbo

xМ

А(В

)–

op

era

ting

pre

ssu

re c

on

tro

l po

rts

T1

S Gex

t

T2

МА

(В

)

A (

B)

B (

A)

4

Load lifting

During the load lifting operation the high pressure (red marked) flows through control valve into line«В» WBV. Part of the flow in line В through valve «OR» gets into control line of brake valves BV1 and BV2, to reducing valve RV. Reduced pressure opens the gearbox brake. Simultaneously the main flow passes through check valve of brake valve BV2 to operating line of hydraulic motor. Hydraulic motor equally rotates while lifting the cargo. Uniform rotation is provided with brake valve BV1.

5

Load holding

After return of the main hydraulic control valve to neutral position in lines «А» and «В» the pressure straightens by decreasing to the minimum. As a consequence brake valves BV1 and BV2 close, the reducing valve decreases the pressure in line «Gext». The load stops with brake valve BV2 and is latched with gearbox brake .

6

Load lowering

During the downward movement the high pressure (red marked) passes though control valve to line «А» WBV. The flow part in line А passes through valve «OR» to control line of brake valves BV1 and BV2, and to reducing valve RV. The reduced pressure opens gearbox brake. The main flow passes through check valve of brake valve BV1 to operating line of hydraulic motor. Hydraulic motor equally rotates while lowering the load. Uniform rotation is provided with brake valve BV2.

7

Bosch-Rexroth PSM-Hydraulics

8


9


10

Tha

nk y

ou !

PSM-Hydraulics Bosch-Rexroth

410.0.45.W.A1.F1F.NN.F.TB1 A2FM45/61W-VZL181 + BVD20W16L…

410.0.45.W.A2.F1F.NN.F.TB1 A2FM45/61W-VAL181 + BVD20W16L…

410.1.45.W.A1.F1F.NN.F.TB1 A2FE45/61W-VZL181 + BVD20W16L…

410.1.45.W.A2.F1F.NN.F.TB1 A2FE45/61W-VAL181 + BVD20W16L…









310.4.80.0F.FE.F.TB1 A2FM80/61W-VZL181 + BVD20W27L…

310.4.80.0E.FE.F.TB1 A2FM80/61W-VAL181 + BVD20W27L…

310.1.80.0F.FE.F.TB1 A2FE80/61W-VZL181 + BVD20W27L…

310.1.80.0E.FE.F.TB1 A2FE80/61W-VAL181 + BVD20W27L…





1 fixed axial piston hydraulic motors with block of safety relieve valves bopk.20 with block of...

Documents

check valve of brake

check valve of brake

gearbox brake

line port of brake valves

reducing valve

line of hydraulic motor

main hydraulic control

operating pressure