pulley block造句
(1) A pulley block was used to ensure the safety of this manoeuvre.
(2) Under arraying rope pillar function, two pieces of pulley block circles pillar to do left, right nimble swinging, which cause rope winds in regular arrangement.
(3) It can lift weight through pulley block and lifting hook installed on davit.
(4) The mentioned method is applied to design of pulley block compensation in luffing mechan ism and the results show that the method is feasible and effective.
(5) By crampon, lifting beam and pulley block as well as hoisting and mounting the bridge crane in parts, ensures safety and economy for the construction.
(6) The skillful design of the pulley block makes the largest door leaf able to bear the 400kg dead load of the leaf.
(7) The pulley block on the head of the main arm can be a combined type pulley block.
(8) Steel column is fixed to special jig, slipping below the installation position by chain block and lifting by pulley block and windlass.
(9) The elevation and fall of the load is controlled by a cylinder driven pulley block.
(10) Fig 2. A double-line, straight pull with a typical winch and pulley arrangement. Adding a pulley block to your winch doubles its capabilities.
(11) Equivalent triangle structure is constructed with hinged bar elements to precisely simulate the effect of wire rope pulley block in the finite element analysis of structure of construction machines.
(12) To demonstrate the proposed framework, the design of the compensation of pulley block in derricking mechanism was presented.