FIELD: concrete conveying. SUBSTANCE: device uses pressure pickups in the piping, comparison elements, pressure head loss characteristics models, threshold elements and pump control units. Two warning units and a concrete pump control panel are additionally used. A concrete flow rate control channel is also used. The device makes it possible to determine the piping pressed section, interlock actuation of the concrete pump at operation in the piping. Provision is made for warning on dangerous pressure in the piping. EFFECT: enhanced safety. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPARATUS FOR COUNTING NUMBER OF PEOPLE IN ZONE TO BE CONTROLLED | 1989 |
|
RU2018959C1 |
| DEVICE FOR SIGNALLING RAILWAY REPAIR CREW OF INCOMING TRAIN | 1990 |
|
RU2016800C1 |
| PRESSURE GAUGE OF LOCOMOTIVE BRAKE LINE | 0 |
|
SU1691180A1 |
| SPREADER | 0 |
|
SU1654233A1 |
| 0 |
|
SU313720A1 | |
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| DRIVERЪS VIGILANCE INDICATOR | 0 |
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SU1643215A1 |
| AUTOMATIC LOCOMOTIVE SIGNALLING WITH VIGILANCE CONTROL | 0 |
|
SU1638046A1 |
| WARNING DEVICE ALONG THE ROUTE | 0 |
|
SU1444218A1 |
| DEVICE TO WARN OF APPROACHING OBSTACLE | 0 |
|
SU1643273A1 |
