New lift SA3-S, Инструкция по установке и наладке

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Appendix
SA3-SInstallation&CommissioningManual 37
C: Reaction distance of overspeed governor and safety gear:
The overspeed governor and the safety gear require a certain distance before the brakes can take effect.
Reactiondistanceofoverspeed
governor
x
G
mm
Reactiondistanceofsafetycatch x
F
mm
Reactiondistanceofoverspeed
gosafetycatch
x
GF
=x
G
+x
F
mm
Position x
C
=x
B
+x
GF
mm
Speed
v
C
= � ( v
B
2
+ 2a
A
x
GF
)
mm/s
D: Breaking distance of the safety gear:
The progressive safety gear requires a braking distance before the car comes to a standstill.
Brakedelay a
B
mm/s
2
Position x
D
=x
C
+v
C
2
/2a
B
mm
Maximum stopping distance:
The max. stopping distance is dependent on the length of the apron below the car and the door passage height.
Apronlength x
S
mm
Maximumupwardstoppingdis-
tance
x
Smax
=x
S
+200mm mm
Doorpassageheight x
T
mm
Stoppingwaydoorpassageheight x
Tmax
=x
T
-1000mm mm
Max.upwardstoppingdistance x
max
=minimum(x
Smax
;x
Tmax
) mm
Comment on the apron length:
The car apron must satisfy the requirements of EN 81-1:1998 + A3:2009 point 8.4. The apron length is then the
vertical distance between the car threshold and the "lowest part of the car apron" (see EN 81-1:1998 + A3:2009,
sections 9.11.5 and 9.11.6, figure 4).
An apron according to EN 81-21 is only permissible if the car apron satisfies the requirements specified in EN
81-1, section 8.4 over then entire shaft upon leaving the lowest floor. If this cannot be ensured, only the vertical
part of the car below the car threshold may be taken into account in the calculation of the maximum upward
stopping distance.
Maximum stopping distance x
max
must be greater than or equal to the worst case end position x
D
of the car. The
requirement according to EN81-1:2010, 9.11.6 is then satisfied.