A planet wheel type three-axle differential mechanism
Technical Field The present invention relates to the field of mechanical design and, in particular, relates to a planetary type three-axle differential mechanism. Background Art Three-axis differential mechanism is mainly used for single drive when the motion of a mechanical self-adapt to the transmission, also can be used in negative direction, the three-way power coupling output. Relative to the widely used in the automobile differential field of the double-shaft differential, three-axis differential does not rare, existing three-shaft differential mechanism is basically double-axle differential mechanism as the basic unit of the splice. In this field, the normal sense said planet carrier is mounted on the main shaft is provided with a planetary gear connected with the overall structure of the connection, i.e. the planet carrier also includes the rotating shaft. In a general sense the engagement of the said, is that two gear teeth between the teeth of the outer ring of the matching relation. Content of the invention In response to the defect in the prior art, the purpose of this invention is to provide a planet wheel type three-axle differential mechanism. According to the present invention provides a planet wheel type three-axle differential mechanism, characterized in that includes: a planet carrier, 1st rotating shaft, the rotating shaft of the 2nd, 3rd gear and the rotating shaft; The gear set comprises a 1st gear, 2nd gear, 3rd gear, 4th gear, coaxial gear 4th, 5th gear, 6th gear; the 2nd gear set contained in the 2nd gear, 4th gear set contained in the 4th gear, the 4th 4th coaxial gear set contained in the coaxial gear; The planet carrier with the 2nd is connected with the central hole of the gear, the gear circles states the 2nd revolution of the planet carrier rotate at the same time; the 1st 1st gear coaxially connected with the rotating shaft, the 1st gear and the 2nd gear; The 3rd gear and the 2nd gear; The 4th 4th gear and the coaxial gear coaxially connected by a connecting shaft, the connecting shaft is connected with the 3rd gear; The 4th gear is meshed with the 5th gear, the 5th gear and the 2nd and coaxially connected to the rotating shaft; The 6th gear is meshed with the 4th coaxial gear, said 6th gear and said 3rd coaxially connected to the rotating shaft. The 1st gear, 2nd gear, 3rd gear number of teeth of the proportion of the 1st gear ratio, the 4th gear and 5th gear tooth number ratio than the number of the 2nd, 4th and 6th the coaxial gear teeth of the gear ratio of the 3rd gear ratio; The 1st gear ratio is 2:1: 4, the 2nd gear ratio and the 3rd gear ratio equal. The purpose of this invention is to provide a planet wheel type three-axle differential mechanism, which comprises a planetary gear train evolved, forward is used to realize three output shaft differential transmission. Reverse when in use, in order to three differential shaft as the input shaft, to the planet carrier as the output shaft, and three-axis power coupling output. The invention can be widely applied to the single drive when the motion of a mechanical self-adapt to the transmission or the three-way input one of the occasions when output power transmission. This invention single drive mechanical self-adaptive transfer or the three-way input one output power transmission occasion provides an effective solution. The invention has the advantages of: the three-axle differential mechanism of simple configuration, compact structure, the axial envelope of small size, can be used in negative direction, is used as a three-shaft power coupler. Description of drawings In order to more clearly explain the embodiment of the invention the technical scheme, will be described below in the embodiment of the need to use the simple introduction of the diagram, it is obvious, is described below in the Figure is only some embodiments of the present invention, terms for technical personnel in the field, in the creative work of the premise of pay, can also be on the basis of these with photos to obtain the other of the Figure. In the Figures: Figure 1 is the one planet wheel-type three-axle differential mechanism transmission schematic diagram of selectable in the embodiment. In the Figure: 1 - 1st gear, 2 - 2nd gear, 3 - 3rd gear, 41 - 4th gear, 42 - 4th coaxial gear, 5 - 5th gear, 6 - 6th gear, 7 - planet carrier, 8 - 1st rotating shaft, 9 - 2nd rotary shaft, 10 - 3rd rotating shaft. Mode of execution The Figure below to specific way of embodiment of this invention a detailed description. The following embodiment will help the field of technical staff for further understanding of the invention, but do not in any way limit the invention. It should be noted that, can also use the other embodiments, or the enumerated herein of the embodiment of the structure and function of the modification of the on, not disengage from the scope and substance of the invention. In the present invention to provide a planet wheel-type three-axle differential mechanism in the embodiment, as shown in Figure 1 is shown in the schematic diagram, including: the planetary frame, 1st rotating shaft, the rotating shaft of the 2nd, 3rd gear and the rotating shaft. The gear set comprises a 1st gear, 2nd gear, 3rd gear, 4th gear, coaxial gear 4th, 5th gear, 6th gear; the 2nd gear set contained in the 2nd gear, 4th gear set contained in the 4th gear, the 4th 4th coaxial gear set contained in the coaxial gear. The planet carrier with the 2nd is connected with the central hole of the gear, the gear circles states the 2nd revolution of the planet carrier rotate at the same time; the 1st 1st gear coaxially connected with the rotating shaft, the 1st gear and the 2nd gear. The 3rd gear and the 2nd gear. The 4th 4th gear and the coaxial gear coaxially connected by a connecting shaft, the connecting shaft is connected with the 3rd gear. In this embodiment, coupling with the connection relationship of the 3rd gear is connected through the bearing. The 4th gear is meshed with the 5th gear, the 5th gear and the 2nd and coaxially connected to the rotating shaft. The 6th gear is meshed with the 4th coaxial gear, said 6th gear and said 3rd coaxially connected to the rotating shaft. The 4th gear is meshed with the 5th gear. The 6th gear is meshed with the 4th coaxial gear engagement. The 1st gear, 2nd gear, 3rd gear number of teeth of the proportion of the 1st gear ratio, the 4th gear and 5th gear tooth number ratio than the number of the 2nd, 4th and 6th the coaxial gear teeth of the gear ratio of the 3rd gear ratio; The 1st gear ratio is 2:1: 4, the 2nd gear ratio and the 3rd gear ratio equal. The embodiment of the single power input, given a three output speed of the output in the same direction at the same speed, the speed of the uniform flow. If the planet carrier is the output shaft, the rotating shaft of the 1st, 2nd and 3rd the rotating shaft of the rotating shaft is the input shaft, the power coupling. The present invention provides a planet wheel type three-axle differential mechanism, this planet wheel-type three-axle differential mechanism as a transfer case, the transmission chain used in the self-adaptive coordination three output rotation; this planet wheel-type three-axle differential mechanism as adders, can be used for multi-channel to drive the transmission of the power coupling. This planet wheel-type three-axle differential mechanism of small volume, light weight, and simple structure. The invention can be widely applied to the single drive of mechanical self-adaptive transfer or the three-way input one of the occasions when output power transmission. The three shaft differential device of a simple configuration, the structure is compact, small radial envelope size, can be used in negative direction, is used as a three-shaft power coupler. This invention single drive mechanical self-adaptive transfer or the three-way input one output power transmission occasion provides an effective solution. The invention has the advantages of: the three-axle differential mechanism of simple configuration, compact structure, the axial envelope of small size, can be used in negative direction, is used as a three-shaft power coupler. The above is nothing for the preferred embodiment of this invention, the technicians of this field it knows, in without departing from the spirit of this invention and the scope of the circumstances, can be to these characteristics and the embodiment of the various changes or equivalent replacement. In addition, in the teachings of the present invention lower, can be to these characteristics and the embodiment adapted to meet the specific situation and material not disengage from the spirit and scope of the invention. Therefore, the invention is not disclosed here the restriction of the specific embodiment, all fall into the claim of the present application within the scope of the embodiments of this invention is in the scope of protection. The invention provides a planetary gear type triaxial differential mechanism. A planetary frame is connected with a central hole of a second gear, the second gear rotates while revolving around the planetary frame, a first gear is coaxially connected with a first rotating shaft and engaged with the second gear, an inner gear ring of a third gear is engaged with the second gear, a fourth gear is coaxially connected with a fourth coaxial gear through a connecting shaft, the connecting shaft is connected with the third gear, the fourth gear is engaged with a fifth gear, the fifth gear is coaxially connected with a second rotating shaft, and a sixth gear is engaged with the fourth coaxial gear and coaxially connected with a third rotating shaft. The planetary gear type triaxial differential mechanism is evolved from a planetary gear train and used forwards to realize differential transmission of three output shafts. When the planetary gear type triaxial differential mechanism is reversely used, three differential shafts serve as input shafts, the planetary frame serves as an output shaft, and triaxial power coupling output is realized. The planetary gear type triaxial differential mechanism can be widely applied to mechanical adaptive transfer transmission in single driving or power transmission occasions with three inputs and one output. 1. A planet wheel type three-axle differential mechanism, characterized in that includes: a planet carrier, 1st rotating shaft, the rotating shaft of the 2nd, 3rd gear and the rotating shaft; The gear set comprises a 1st gear, 2nd gear, 3rd gear, 4th gear, coaxial gear 4th, 5th gear, 6th gear; the 2nd gear set contained in the 2nd gear, 4th gear set contained in the 4th gear, the 4th 4th coaxial gear set contained in the coaxial gear; The planet carrier with the 2nd is connected with the central hole of the gear, the gear circles states the 2nd revolution of the planet carrier rotate at the same time; the 1st 1st gear coaxially connected with the rotating shaft, the 1st gear and the 2nd gear; The 3rd gear and the 2nd gear; The 4th 4th gear and the coaxial gear coaxially connected by a connecting shaft, the connecting shaft is connected with the 3rd gear, the 3rd gear by said shaft or 2nd gear set to rotate; The 4th gear is meshed with the 5th gear, the 5th gear and the 2nd and coaxially connected to the rotating shaft; The 6th gear is meshed with the 4th coaxial gear, said 6th gear and said 3rd coaxially connected to the rotating shaft. 2. A planet wheel type three-axle differential mechanism according to Claim 1, characterized in that the 4th gear is meshed with the 5th gear. 3. A planet wheel type three-axle differential mechanism according to Claim 1, characterized in that the 6th gear and said 4th coaxial gear engagement. 4. A planet wheel type three-axle differential mechanism according to Claim 1, characterized in that the 1st gear, 2nd gear, 3rd gear ratio of number of teeth of the inner gear ring and the 1st gear ratio, the 4th gear and 5th gear tooth number ratio than the number of the 2nd, 4th and 6th the coaxial gear teeth of the gear ratio of the 3rd gear ratio ; The 1st gear ratio is 2:1: 4, the 2nd gear ratio and the 3rd gear ratio equal.