US 12,084,316 B2
Anti-electromagnetic interference telescopic boom and crane
Yunguang Yang, Hunan (CN)
Assigned to SANY MOBILE CRANES CO., LTD., Hunan (CN)
Appl. No. 17/905,035
Filed by SANY MOBILE CRANES CO., Ltd., Hunan (CN)
PCT Filed Jan. 15, 2021, PCT No. PCT/CN2021/072146
§ 371(c)(1), (2) Date Aug. 25, 2022,
PCT Pub. No. WO2021/169660, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 202010122266.9 (CN), filed on Feb. 26, 2020.
Prior Publication US 2023/0087681 A1, Mar. 23, 2023
Int. Cl. B66C 13/12 (2006.01); B66C 13/18 (2006.01); B66C 23/70 (2006.01); H03H 11/04 (2006.01)
CPC B66C 13/12 (2013.01) [B66C 13/18 (2013.01); B66C 23/701 (2013.01); H03H 11/04 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An anti-electromagnetic interference telescopic boom, applied to a crane, comprising: a first anti-interference module, a second anti-interference module and a cable drum; wherein the first anti-interference module, the second anti-interference module and the cable drum are all arranged on a telescopic boom of the crane, the first anti-interference module is connected to a first end of the cable drum, and the second anti-interference module is connected to a second end of the cable drum,
the cable drum is configured to transmit a control signal and a power signal for a control system of the telescopic boom;
the first anti-interference module is configured to filter and encrypt the control signal and the power signal; and
the second anti-interference module is configured to re-filter, decrypt and amplify the control signal and the power signal.