According to the principle of moment balance steam-water
spring design.
Within the prescribed scope of load displacement, load torque and spring torque is always in balance.
Therefore, supported by constant crane pipeline and equipment displacement occurs, can get constant supporting force, will not bring additional stress to piping and equipment.
steam-water variable spring is mainly composed of cylindrical helical spring, displacement dashboards, shell and parts such as elastic nut.
steam-water variable spring according to the different methods of installation, can be divided into A, B, C, D, E, F, G seven type.
type A -
-
-
-
On the thread type suspension;
B -
-
-
-
Single ear suspension type;
- C type
-
-
-
Ears hanging type;
- D type
-
-
-
On the adjusting suspended type;
E -
-
-
-
Under the adjusting suspended type;
F -
-
-
-
Support on type;
- G type
-
-
-
Parallel suspension type;
the purpose and scope of application:
this standard applies to the displacement range for VS (
0~180mm)
TD (
0 ~ 120毫米)
, load range is 154 ~ 217384 n, using temperature range -
Steam-water variable spring of 20 ℃ ~ 200 ℃.
the variable type spring hanger has four big series, mainly by the northwest electric power design institute of design of T1, T2, T3, T4, T5 series, east China electric power design institute of design of TH1, TH2, Tspan type series, the TD series (
JB / J8130。
2 -
1999).
And chemical design institute design VS series, the series of the basic features, the same bearing capacity for Dan - 20
21000daN。
Structure mainly pendant, supporting type and parallel suspension bearing type.
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