FIELD: transport.
SUBSTANCE: proposed device comprises platform arranged to be displaced along vertical guides and coupled via pull cable and pulleys with drive motor. It has at least two spring-loaded limited-turn levers to engage with said pulleys. At least two braking wedge-like shoes are fitted in cases accommodating appropriate vertical guide. Braking shoes are equipped with rollers to displace inside said case and linear bearings directed at the angle to vertical guide plane. Said bearings are composed by multiple cylindrical rollers fitted in cage inside the housing. Outer arm of every lever is furnished with the cam to interact with appropriate pair of shoes. The latter have teeth at working surface while their rear surface rests on appropriate linear bearing.
EFFECT: higher reliability, simplified servicing.
10 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ARRANGEMENT FOR LOWERING//LIFTING DUMP CARS INTO/FROM OPEN MINES | 0 |
|
SU1437337A1 |
| ATTRACTION APPARATUS | 2005 |
|
RU2281801C1 |
| DEVICE FOR RESCUING PEOPLE | 2009 |
|
RU2412730C1 |
| ELEVATOR | 1998 |
|
RU2149130C1 |
| CARGO ELEVATOR WITH GEARLESS ELECTRIC DRIVE AND RELEASE CATCHER | 2011 |
|
RU2468982C1 |
| SHOE BRAKE OF NORMALLY CLOSED TYPE WITH AUTOMATIC CONTROL OF BRAKING TORQUE FOR HOISTING AND TRANSPORTING MACHINES | 0 |
|
SU1171617A1 |
| 0 |
|
SU20782A1 | |
| RELOADING DEVICE | 0 |
|
SU1602833A1 |
| DEVICE FOR UNWINDING ROLLED MATERIAL | 0 |
|
SU1315373A1 |
