Title:
DEVICE FOR WARNING OF OPENING HOPPER FENCE AND CONCRETE MIXING PLANT HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2015/154550
Kind Code:
A1
Abstract:
Disclosed are a device for warning of opening a hopper fence and a concrete mixing plant having the same. The device for warning of opening a hopper fence comprises: a fence (204); a fence rotary shaft (205), the fence (204) being connected to the fence rotary shaft (205) and rotating together with the fence rotary shaft (205); a trigger cam (203) directly, fixedly connected to one end of the fence rotary shaft (205) and rotating together with the fence rotary shaft (205); and a travel switch (210) arranged adjacent to the trigger cam (203), the travel switch (210) sending a signal of warning of stopping the rotation of a mixing shaft when the trigger cam (203) rotates to a pre-set angular position. In the device for warning of opening a hopper fence, the trigger cam (203) is directly connected to the fence rotary shaft (205), so as to achieve a simpler and more reliable structure, convenient assembly, easy maintenance and cleaning, and low manufacturing costs.
More Like This:
| WO/2005/018899 | MIXING DRUM |
| JPS5923966 | [Title of the Invention] Ladle for concrete slurry |
Inventors:
ZHANG CHUNGUANG (CN)
LIANG BIN (CN)
LIANG BIN (CN)
Application Number:
PCT/CN2015/070269
Publication Date:
October 15, 2015
Filing Date:
January 07, 2015
Export Citation:
Assignee:
BEIQI FOTON MOTOR CO LTD (CN)
BEIJING ZHI KE INVEST & MAN CO LTD (CN)
BEIJING ZHI KE INVEST & MAN CO LTD (CN)
International Classes:
B28C5/08; E04G21/04; F04B49/00
Domestic Patent References:
| WO2013156039A1 | 2013-10-24 |
Foreign References:
| CN203903208U | 2014-10-29 | |||
| CN102116086A | 2011-07-06 | |||
| CN201953072U | 2011-08-31 | |||
| CN202611248U | 2012-12-19 | |||
| CN102192122A | 2011-09-21 | |||
| CN201650645U | 2010-11-24 |
Attorney, Agent or Firm:
RUNPING & PARTNERS (CN)
北京润平知识产权代理有限公司 (CN)
北京润平知识产权代理有限公司 (CN)
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