Delivery testing method for large hoist engine
A factory test, winch technology, applied in the direction of hoisting device, clockwork mechanism, etc., can solve the problems of high construction difficulty and large investment, and achieve the effect of saving equipment investment and test site
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[0020] Referring to Fig. 1 and Fig. 2, according to a factory test method of a large-scale hoist of the present invention, two test hoists are used, one of which is the tested hoist 1 and the other is the loading hoist 2, or two test hoists are used in the test. The hoists alternate with each other. Two identical hoist prototypes are used to facilitate mutual loading during type testing.
[0021] The present invention adopts the following steps to carry out type and factory tests:
[0022] Place the two test winches face to face and close together, and connect the two drums of the winches with wire rope 3 (as shown in Figure 2), so that the tension of the steel wire rope becomes the internal force of the winch, and the winch does not need to be fixed to the ground.
[0023] An intermediate hydraulic cylinder support device 4 is added between the two test winches, preferably two sets of support devices for the connection between the winches are used to adjust the tension balan...
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