Duplex gear speed reducing device
A technology of double gear and deceleration device, applied in the direction of hoisting device, transmission device parts, portable lifting device, etc., can solve the problems of reduced machining and installation accuracy, short service life, overcapacity, etc., and achieve high machining accuracy, Long service life and volume reduction effect
Inactive Publication Date: 2016-10-26
QINGDAO LIKECHUAN HYDRAULIC MASCH CO LTD
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Problems solved by technology
The brand of hydraulic travel deceleration device has been serialized, but in recent years, the construction machinery industry has entered an extremely sluggish state, with overcapacity, a general decline in market profits, and changes in the competitive landscape. In this case, companies must launch more Products close to users
At present, the domestically produced hydraulic travel reduction devices are basically composed of NGW transmission form planetary gear trains. The sun gear and the ring gear adopt a floating structure. The primary and secondary planetary transmissions are separated. The volume of the hydraulic travel deceleration device increases, takes up space, and has a short service life, which reduces the precision of processing and installation, and the manufacturing cost is relatively high
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[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.
[0015] Such as Figure 1 to Figure 2 A double gear reduction device shown includes a housing 1, a first-stage internal ring gear 2, a planetary disc 3, a double-link gear 4, a second-stage internal ring gear 5 and a connecting gear 6; The ring gear 2 is fixed on the housing 1 by bolts, the planetary disc 3 is installed on the output shaft of the hydraulic motor through a bearing; the double gear 4 is installed on the planetary disc 3 through a rotating shaft, and includes a 28-...
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The invention discloses a duplex gear speed reducing device. The duplex gear speed reducing device comprises a shell, a first-stage inner gear ring, a planetary plate, a duplex gear, a second-stage inner gear ring and a connection gear; the first-stage inner gear ring is fixed to the shell; an end cover is arranged on the end portion of the shell; the planetary plate is installed on an output shaft of a hydraulic motor through a bearing; the duplex gear is installed on the planetary plate and comprises a large-diameter gear and a small-diameter gear; the connection gear is fixed to a shell of the hydraulic motor; the second-stage inner gear ring is arranged on the connection gear in a sleeving manner and is engaged with the connection gear; the large-diameter gear of the duplex gear is engaged with driving teeth on the output shaft of the hydraulic motor and the first-stage inner gear ring; and the small-diameter gear of the duplex gear is engaged with the second-stage inner gear ring. The duplex gear speed reducing device is compact in structure, small in size, small in weight, steady in movement and long in service life.
Description
technical field [0001] The invention relates to the technical field of hydraulic equipment, in particular to a dual gear reduction device. Background technique [0002] The hydraulic travel deceleration device is driven by a hydraulic motor to input the sun gear, after the deceleration of the gear train, and finally the increased torque is output through the ring gear; the hydraulic travel deceleration device is integrated with the motor for travel drive, hoisting and lifting integrated device, widely used It is widely used in related fields such as metallurgy, mining, lifting transportation, light chemical industry, shipbuilding, agricultural machinery, aviation and so on. Since the development of domestic hydraulic travel deceleration devices, although the product structure has become diversified. The brand of hydraulic travel deceleration device has been serialized, but in recent years, the construction machinery industry has entered an extremely sluggish state, with ove...
Claims
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IPC IPC(8): F16H57/023F16H55/17
CPCF16H57/023F16H55/17F16H2055/173
Inventor 王金铂高兵武
Owner QINGDAO LIKECHUAN HYDRAULIC MASCH CO LTD