FIELD: construction.
SUBSTANCE: body of stop and control device contains flat gate and rotary locking element. The latter consists of two gates coupled to each other. One of gates is dead, another one is unloading with a hole. Dead gate is connected to additional stem by means of axis. Drive is arranged in the form of one spindle, on which there are two threaded sections with left thread on upper section and right thread - on lower one. Pitch of right thread is twice more than pitch of the left one. Both threaded sections are connected to response threads. Stem is fixed with responsive thread connected to the right thread at the lower section of spindle. Additional stem - to response thread connected to the left thread at upper section of spindle, which provides for simultaneous displacement of both stems in opposite direction.
EFFECT: increased reliability and working life of device operation.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CONTROL UNIT | 2008 |
|
RU2372539C1 |
| ADJUSTING DEVICE | 2008 |
|
RU2372540C1 |
| REGULATOR | 2007 |
|
RU2353843C1 |
| SHUT-OFF AND REGULATING APPARATUS | 2002 |
|
RU2238466C2 |
| CONTROL DEVICE | 2007 |
|
RU2366847C1 |
| REGULATOR | 2007 |
|
RU2353842C1 |
| CONTROL VALVING DEVICE | 2005 |
|
RU2301931C1 |
| MULTIPURPOSE DEVICE | 2007 |
|
RU2336451C1 |
| SHUTOFF-AND-CONTROL DEVICE | 2006 |
|
RU2313023C1 |
| SHUT-OFF ADJUSTING DEVICE | 0 |
|
SU1643836A1 |
