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Narrow type electric push rod

An electric push rod, motor-driven technology, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of unsuitable force conditions of container cranes, narrow platforms, etc. Effect

Pending Publication Date: 2019-05-10
SHANGHAI PORT MACHINERY HEAVY IND +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned defects in the prior art, the purpose of the present invention is to provide a narrow type electric push rod, which solves the defects in the prior art that are not suitable for the complicated working conditions of the container crane and the relatively narrow platform

Method used

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Embodiment Construction

[0032] The technical solution of the present invention will be further described below in conjunction with the drawings and embodiments.

[0033] Please combine Figure 1 to Figure 7 As shown, a narrow electric push rod provided by the present invention includes a screw drive mechanism 1, an encoder 2 connected to one end of the screw drive mechanism 1, and a cycloid variable speed drive connected to the other end of the screw drive mechanism 1. The mechanism 3 and the motor drive mechanism 4 are driven by the motor drive mechanism 4, and a large torque is output through the cycloid variable speed mechanism 3. The output end of the cycloid variable speed mechanism 3 is connected with the screw drive mechanism 1, and the motor drive mechanism 4 rotates and drives The rotation of the cycloid transmission mechanism 3 and the screw transmission mechanism 1.

[0034] Preferably, the screw drive mechanism 1 includes a screw box 11, a screw 12 arranged in the screw box 11, a first suppor...

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Abstract

The invention discloses a narrow type electric push rod. The narrow type electric push rod comprises a lead screw transmission mechanism, an encoder connected to one end of the lead screw transmissionmechanism, a cycloid speed changing mechanism and a motor drive mechanism, wherein the cycloid speed changing mechanism and the motor drive mechanism are connected to the other end of the lead screwtransmission mechanism. The lead screw transmission mechanism comprises a lead screw box, a lead screw arranged in the lead screw box, a first supporting flange arranged at the other end of the lead screw box, and a shifting fork structure arranged on the lead screw, the lead screw is further connected with a box beam structure, the lead screw is connected with the shifting fork structure throughthe box beam structure, and the lower surface of the lead screw box is further connected with a supporting connecting lug plate. The cycloid speed changing mechanism is a cycloid speed reducer and isconnected with the other end of the lead screw. The motor drive mechanism is connected with the cycloid speed reducer and used for driving the cycloid speed reducer. The narrow type electric push rodovercomes the defects that in the prior art, the complex work condition of a container crane cannot be met, and adaptation to relatively narrow platforms cannot be achieved.

Description

Technical field [0001] The invention relates to a motor drive on a container crane, and more specifically, to a narrow electric push rod. Background technique [0002] Both the translation and selection of container cranes adopt electric drive mode, which is an irreversible trend at present and in the future. At present, the electric push rods suitable for container cranes in the domestic and foreign markets are all electric push rods designed by the combination of motor drive, gear transmission, and screw transmission. However, the electric push rods of this combination design are not only relatively large It is large, and the fixing method is relatively complicated, and the transmission connection method is single, which is not suitable for the complex force working conditions of the container crane and the relatively small platform. Summary of the invention [0003] In view of the above-mentioned defects in the prior art, the purpose of the present invention is to provide a na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C11/20F16H25/20F16H25/24H02K7/116
Inventor 马云飞尹远俭徐坤姜晨龙
Owner SHANGHAI PORT MACHINERY HEAVY IND
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