Speed simulation type cable drum

Abstract

The invention discloses a speed simulation type cable drum, and belongs to engineering machinery. The invention aims to provide the speed simulation type cable drum which can wind and unwind a cable at speed synchronous with a running distance of moving equipment, can wind and unwind the cable in two directions and can reversely rotate to wind and unwind the cable when the running direction of the moving equipment is not changed. According to the technical field, a non-electric single-turn cable is wound and unwound by an electromagnetic clutch through power output by a wheel axle, a torque transmission chain structure and a reversing wheel group; a steel wire wheel group and a tension wheel group supply pure rolling force to dual-linking reeling component; the dual-linking reeling component can precisely transmit power to the cable drum in two directions in a speed simulation manner; and a synchronous error adjuster can correct the slip error of wheels, so that the running speed of the moving equipment is equal to the speed of winding and unwinding the cable by the cable drum. The speed simulation type cable drum can be used in occasions without power, occasions having the requirement on the synchronous precision and occasions in which anchoring power supplies are arranged at two ends or in the middle of a travel, drags the cable with low strength, is economic and durable and can be maintained intuitively and conveniently.

Description

technical field [0001] The invention relates to a mobile equipment cable reel, in particular to a gantry crane cable reel, which belongs to the construction machinery category. Background technique [0002] Cable reels that have been widely used at present. Products are divided into electric and non-electric. Electric type (or power type) can be divided into magnetic coupling type, torque motor type, hysteresis type. Non-electric type (or non-powered type) can be divided into heavy hammer type, elastic type and magnetic coupling type. Each style has its characteristics and scope of application. Comprehensive consideration of magnetically coupled cable reels (non-electric) and hysteresis cable reels (electric) can be used as the background technology. [0003] The magnetically coupled cable reel (non-electric type) is composed of a power system, a permanent magnetic coupler, a cable unwinding hysteresis, a collector, a cable reel and a fairlead. The traveling axle of the...

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Problems solved by technology

[0004] Although the magnetically coupled cable reel (non-electric type) can meet the needs of use, there are the following problems in use: this installation form is only suitable for outputting anchor power at both ends of the stroke of the mobile device, and cannot take anchor power in the middle of the stroke. Applicable to a small range of cable cross-sectional area. Due to frequent operations, fast running speed, and harsh environment, the cable is dragged by a cart, which makes the reel generate a torque greater than the system resistance. The controlled force of the cable is large and easy to deform, causing the cable to roll. The barrel coupling device is severely worn, and the cable pre-tightening force drops greatly, causing the cable to loosen or break, which shortens the service life of the cable, and the length of the winding cable is small, which is not suitable for occasions that require high synchronization accuracy. To avoid excessive noise

[0006] Although the hysteresis cable reel can be used satisfactorily, there are the following problems in use: it cannot be used when there is no electricity, the electricity consumption is not energy-saving, the power consumption is large, the cable is dragged by a large vehicle, and the cable is controlled by a large force Easy to deform, driven by reel, the motor must start synchronously with the main machine walking mechanism, and when the main machine stops, the cable reel must be powered off after a delay, which is not suitable for occasions that require high synchronization accuracy, and the heat generated by magnetic induction will cause the bearing to run The environment is poor, so the bearing becomes the bottleneck restricting the normal operation of the hysteresis coupling, and the price of the hysteresis cable reel is very expensive.

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