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32 | VLE 21xx | Chain break switch
4.
Chain break switch
Contents
Mode of operation of chain break switch
Applicability
VLE 2130, VLE 2130 F
Fig. 6 shows the parts making up the chain break safety
mechanism.
Fig. 6:
Cross-section through lifting column
No.
Qty.
Description
1
1
Support ring
2
1
Lifting nut set F/EL
3
1
Bearing element assembly
4
1
Base plate
5
1
Deep-groove ball bearing
6
1
Sprocket
7
1
Retaining ring
8
1
Clamping bar
9
1
Limit switch assembly
10
1
Limit switch plate
11
1
Actuating pin
12
1
Pressure spring
13
1
Slider
Tab. 1:
Key to Fig. 6
After performing trial runs at rated load, the chain
break switch is to be checked for proper operation and
adjusted if necessary.
If the chain breaks during operation of the lifting
platform, the limit switch (Fig. 6, Pos. 9) automatically
switches off the lifting platform by means of the
actuating pin (Fig. 6, Pos. 11).
|
1 689 975 224
2013-11-06
Ident. no.
1 692 872 005
1 692 872 031
1 692 872 216
1 692 872 187
1 692 872 188
1 692 872 189
1 692 872190
1 692 872 191
1 692 872 192
1 692 872 193
Robert Bosch GmbH
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