Mining machine haulage transmission

Details Mining machine haulage transmission Mining machine haulage transmission

1978-06-02

1981-01-20

Kee Chi, James

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

192 4C, 192150, B60K 4118, F16D 7100

Patent

active

042455260

ABSTRACT:
A mining machine haulage transmission includes an overload protection arrangement comprising a torque sensing device which monitors the torque transmitted and brings about decoupling of one or more clutches to disconnect the transmission output from its input, in the event that the transmitted torque exceeds a predetermined threshold.
In one preferred arrangement, the torque sensing device produces electrical output signals dependent upon the transmitted torque to control operation of the clutch or clutches. In an alternative arrangement or in addition, a source of motive power is connectible to operate the clutch or clutches and control means are provided, responsive to the torque sensing device, to control connection of the power source to the clutch or clutches so as to bring about decoupling in the event of a torque overload.

REFERENCES:
patent: 3487772 (1970-01-01), Kraft
patent: 3625328 (1971-12-01), Carli
patent: 3684067 (1972-08-01), Anderson
patent: 3828900 (1974-08-01), Anderson
patent: 4010679 (1977-03-01), Dybel

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