US 10,889,462 B2
Cable reel for excavator
Qingling Chai, Hebei (CN)
Filed by Qingling Chai, Hebei (CN)
Filed on Jan. 20, 2019, as Appl. No. 16/252,693.
Application 16/252,693 is a continuation of application No. PCT/CN2018/079759, filed on Mar. 21, 2018.
Prior Publication US 2019/0315590 A1, Oct. 17, 2019
Int. Cl. B65H 75/42 (2006.01); B65H 75/44 (2006.01)
CPC B65H 75/4457 (2013.01) [B65H 75/42 (2013.01); B65H 75/4405 (2013.01); B65H 75/4442 (2013.01); B65H 75/4486 (2013.01); B65H 2701/34 (2013.01)] 2 Claims
OG exemplary drawing
1. A cable reel for an electric excavator, comprising:
an outer frame and a reel assembly installed on the outer frame;
wherein the reel assembly is connected with a wiring device assembly; the wiring device assembly comprises a speed reducer;
the reel assembly comprises a left reel and a right reel; an inner bracket is arranged in the outer frame; the inner bracket comprises a left bracket and a right bracket which are respectively connected with the left reel and the right reel; and a telescopic cylinder for controlling the left bracket and the right bracket to swing is arranged between the left bracket and the right bracket;
a cross section of the left reel is a semicircular cambered surface; a tripod is fixed to an inner wall of the left reel; the tripod comprises a supporting rack and a cross beam; a cross section of the right reel is provided with an open circular cambered surface; and the outer wall of the right reel is matched with the inner wall of the left reel; and
a motor is installed on the speed reducer; and the motor is linearly connected with the telescopic cylinder and controls an expansion and contraction of the telescopic cylinder.