High-power-density planetary reducer

Abstract

The utility model relates to the technical field of speed reducers, and discloses a high-power-density planetary speed reducer which comprises a base, a balance driving mechanism is arranged on one side of the top end of the base, a speed reducing mechanism is arranged on the other side of the top end of the base and comprises an outer shell fixedly connected to the top end of the base, and a circulating heat dissipation mechanism is arranged on the outer side of the outer shell. A matching seat is fixedly installed at one end of the outer shell, and a gear set frame is rotationally installed at one end in the outer shell. By adopting the design of a high-efficiency lubricating system and an advanced lubricating technology, namely soaking type oil liquid lubrication, lubricating oil can be more uniformly distributed to each friction part of the planetary gear set, the lubricating effect is improved, the friction loss is reduced, and meanwhile, a circulating oil path with the lubricating oil and an active cooling structure are arranged in a matched manner, so that the service life of the planetary gear set is prolonged. The circulating speed of the lubricating oil is increased, the temperature of the lubricating oil is reduced, and the heat dissipation capacity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer, concretely is high power density planetary reducer. BACKGROUND

[0002] The planetary reducer mainly utilizes the speed converter of gear, reduces the rotation number of motor to the rotation number that wants, and obtains greater torque. The gear of fewer teeth on the transmission shaft engages the big gear on the output shaft to reach the purpose of speed reduction, usually has three planetary gears rotates around a sun gear. At present, the planetary reducer includes high power density planetary reducer.

[0003] The existing high power density planetary reducer still has the following problems when using: under the high power density operation condition, the gear and bearing etc. parts inside the planetary reducer increase the heat generated by friction, and higher requirements are put forward to the lubrication and heat dissipation system. If lubrication and heat dissipation are poor, it can cause the parts to wear and tear, shorten the service life, and even affect the normal operation of the speed reducer. UTILITY MODEL CONTENT

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides high power density planetary reducer, solves the problems raised in the background art.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: high power density planetary reducer, including base, the one side of base top is provided with balance drive mechanism, the other side of base top is provided with speed reducer mechanism, the speed reducer mechanism includes the shell body that is fixedly connected to the top of base, the circulating heat dissipation mechanism is provided with outside the shell body, the one end of shell body is fixedly installed with cooperation seat, the gear set frame is rotatably installed in one end in the shell body, the planetary gear set is installed in the gear set frame, the through hole is opened in the top front and back sides of shell body, the circulating heat dissipation mechanism includes the connecting pipe that is fixedly connected to the through hole, two connecting pipe top end connection installation has circulating cooling row assembly, the lubricating oil liquid is filled in the shell body and at planetary gear set, the circulating pump is set up to the circulating oil circuit in the circulating cooling row assembly, the heat dissipation fan is fixedly installed to the heat dissipation end of the circulating oil circuit in the circulating cooling row assembly.

[0008] As a further scheme of the utility model: the balance driving mechanism includes the fixed seat fixedly connected to the one side of the top of base, the fixed seat top fixedly installs universal coupling, the universal coupling one end fixedly installs drive motor, and the universal coupling one side connecting shaft end fixedly connects drive motor drive shaft, the universal coupling other end fixedly installs the connecting seat, the connecting seat is rotationally connected with the connecting shaft, and the connecting shaft connects the universal coupling other side connecting shaft end.

[0009] As a further scheme of the utility model: the matching seat one end is connected with the connecting seat, the matching seat is rotationally connected with the power input shaft, the power input shaft one end is fixedly connected with the connecting shaft, and the power input shaft other end is fixedly connected with the center position of the center gear of planetary gear set.

[0010] As a further scheme of the utility model: the other end sealing installation of shell body is equipped with two sealing bearings, the same reduction output shaft is fixedly sleeved on the inside rotation end of two sealing bearings, and the reduction output shaft one end is connected with the gear set frame.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a high -efficient lubrication system design is adopted, advanced lubricating technology is adopted, namely adopts immersion type oil lubrication, to ensure that the lubricating oil can be more evenly distributed to each friction position of planetary gear set, improves lubricating effect, reduces friction loss, simultaneously, the circulation oil passage and the active cooling structure of lubricating oil are set up simultaneously, increase the circulation speed of lubricating oil, and the temperature of lubricating oil is reduced, and its heat dissipation capacity is improved.

[0013] 2、The utility model discloses a power input end is provided with universal coupling, the power input shaft of its connecting reduction mechanism and the power output shaft of drive motor, plays the balance effect of power transmission, prevents the rotation stability of drive motor power output shaft from influencing the power input shaft of reduction mechanism, and then avoids the influence planetary gear set in reduction mechanism. ACCURACY OF DRAWINGS

[0014] Fig. 1 It is the overall perspective drawing of the utility model;

[0015] Fig. 2 It is the base and balance driving mechanism perspective drawing of the utility model;

[0016] Fig. 3 It is the reduction mechanism and circulation heat dissipation mechanism perspective drawing of the utility model;

[0017] Fig. 4 It is the reduction mechanism and circulation heat dissipation mechanism section perspective drawing of the utility model.

[0018] In the figure: 1, base; 2, balance driving mechanism; 3, speed reduction mechanism; 4, circulating heat dissipation mechanism; 21, fixed seat; 22, universal coupling; 23, driving motor; 24, connecting seat; 31, outer shell; 32, matching seat; 33, gear set frame; 34, sealed bearing; 35, speed reduction output shaft; 36, power input shaft; 37, planetary gear set; 41, connecting pipe; 42, circulating cold row assembly; 43, circulating pump; 44, heat dissipation fan. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0020] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figs. 1-4The utility model discloses a high power density planetary reducer, including base 1, the one side of base 1 top is provided with balance drive mechanism 2, the other side of base 1 top is provided with speed reducer 3, and speed reducer 3 includes the shell body 31 of fixed connection in the top of base 1, the outside of shell body 31 is provided with circulating heat dissipation mechanism 4, and the one end of shell body 31 is fixedly installed with cooperation seat 32, and the one end rotation is installed in shell body 31 and is installed with gear set frame 33 in, and gear set frame 33 is installed with planetary gear set 37 in, and the both sides of shell body 31 top are provided with through -hole, and circulating heat dissipation mechanism 4 includes the connecting pipe 41 of fixed connection at through -hole, and two connecting pipe 41 top is connected and is installed with circulating cooling row component 42, and the inside of shell body 31 and is filled with lubricating oil liquid at planetary gear set 37, and circulating cooling row component 42 is provided with circulating pump 43 to its inside circulating oil circuit, and circulating cooling row component 42 is fixedly installed with the radiating fan 44 to the heat dissipation end of its inside circulating oil circuit, overall adopts the high -efficient lubricating system design, adopts the advanced lubricating technology, namely adopts the soak type oil lubrication, to ensure that lubricating oil can be more evenly distributed to planetary gear set 37 each friction position, improves lubricating effect, reduces friction loss, simultaneously, the circulating oil circuit of cooperation setting with lubricating oil and initiative cooling structure, namely circulating cooling row component 42 is provided with circulating pump 43 to its inside circulating oil circuit, increases the circulating speed of lubricating oil, simultaneously, circulating cooling row component 42 is fixedly installed with the radiating fan 44 to the heat dissipation end of its inside circulating oil circuit, reduces the temperature of lubricating oil liquid, improves its heat dissipation capacity.

[0023] Balance drive mechanism 2 includes the fixed seat 21 of fixed connection in the one side of the top of base 1, and the top of fixed seat 21 is fixedly installed with universal coupling 22, and the one end of universal coupling 22 is fixedly installed with drive motor 23, and the continuous axle end of one side of universal coupling 22 is fixedly connected drive motor 23 drive shaft, and the other end of universal coupling 22 is fixedly installed with connecting seat 24, and the inside of connecting seat 24 is rotatably connected with connecting shaft, and the other side continuous axle end of connecting shaft is connected with universal coupling 22, and its power input end is provided with universal coupling 22, and its power input shaft 36 of connecting speed reducer 3 and the power output shaft of drive motor 23, play the balance effect of power transmission, prevent the rotation stability of drive motor 23 power output shaft to influence the power input shaft 36 of speed reducer 3, and then avoid the influence planetary gear set 37 in speed reducer 3.

[0024] The one end of cooperation seat 32 is connected with connecting seat 24, and the inside of cooperation seat 32 is rotatably connected with power input shaft 36, and the one end of power input shaft 36 is fixedly connected with connecting shaft, and the other end of power input shaft 36 is fixedly connected with the center position of planetary gear set 37 center gear, and the rotation of power input shaft 36 can drive its planetary gear set 37 center gear rotation, and then drive the rotation of three planetary gears outside, because the three planetary gears outside mesh with the inner wall of gear set frame 33, can drive the rotation of gear set frame 33.

[0025] Two sealing bearings 34 are sealingly installed in the other end of the outer housing 31, and the same reduction output shaft 35 is rotatably fixed to the inner side of the two sealing bearings 34, one end of the reduction output shaft 35 is connected with the gear set frame 33, the gear set frame 33 can drive the reduction output shaft 35 to rotate, and the reduction output is realized.

[0026] The working principle of the utility model is: it is provided with universal joint 22, its power input end is provided with, its power input shaft 36 and driving motor 23 power output shaft are connected to the power input shaft 36 of reduction mechanism 3, and the balance effect of power transmission is played, the rotation stability of driving motor 23 power output shaft is prevented from affecting the power input shaft 36 of reduction mechanism 3, and then the influence of planetary gear set 37 in reduction mechanism 3 is avoided, the power input shaft 36 rotation can drive its sun gear rotation, and then drive its three planetary gears rotation on the outside, since the three planetary gears outside meshing gear set frame 33 inner wall, can drive its gear set frame 33 rotation, gear set frame 33 can drive its reduction output shaft 35 rotation, realizes reduction output, can output larger power in unit volume or unit weight, overall high power density planetary reducer can under relatively smaller size and weight, transmit larger power, realize efficient power transmission, to meet some application scenarios of strict restriction on space and weight, but also need high power output.

[0027] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A high power density planetary reducer, comprising a base (1), wherein a balance drive mechanism (2) is provided on one side of the top of the base (1), and a reduction mechanism (3) is provided on the other side of the top of the base (1). Its features are: The deceleration mechanism (3) includes an outer shell (31) fixedly connected to the top of the base (1), a circulating heat dissipation mechanism (4) is provided on the outside of the outer shell (31), a mating seat (32) is fixedly installed at one end of the outer shell (31), a gear set frame (33) is rotatably installed at one end of the outer shell (31), and a planetary gear set (37) is installed in the gear set frame (33). The outer shell (31) has through holes on the front and rear sides of the top. The circulating heat dissipation mechanism (4) includes a connecting pipe (41) fixedly connected to the through hole. The top ends of the two connecting pipes (41) are connected to a circulating cooling radiator assembly (42). The outer shell (31) is filled with lubricating oil at the planetary gear set (37). Two sealed bearings (34) are sealed and installed at the other end of the outer shell (31). The same deceleration output shaft (35) is fixedly sleeved on the inner rotating end of the two sealed bearings (34). One end of the deceleration output shaft (35) is connected to the gear frame (33).

2. The high power density planetary reducer according to claim 1, characterized in that: The balance drive mechanism (2) includes a fixed seat (21) fixedly connected to one side of the top of the base (1), and a universal coupling (22) is fixedly installed on the top of the fixed seat (21).

3. The high power density planetary reducer according to claim 2, characterized in that: One end of the universal coupling (22) is fixedly mounted with a drive motor (23), and the drive shaft of the drive motor (23) is fixedly connected to one side of the universal coupling (22).

4. The high power density planetary reducer according to claim 2, characterized in that: The other end of the universal coupling (22) is fixedly installed with a connecting seat (24), and a connecting shaft is rotatably connected inside the connecting seat (24), and the connecting shaft is connected to the other end of the universal coupling (22).

5. The high power density planetary reducer according to claim 1, characterized in that: One end of the mating seat (32) is connected to the connecting seat (24), and a power input shaft (36) is rotatably connected inside the mating seat (32).

6. The high power density planetary reducer according to claim 5, characterized in that: One end of the power input shaft (36) is fixedly connected to the connecting shaft, and the other end of the power input shaft (36) is fixedly connected to the center position of the central gear of the planetary gear set (37).

7. The high power density planetary reducer according to claim 1, characterized in that: The circulating radiator assembly (42) is equipped with a circulating pump (43) corresponding to its internal circulating oil circuit, and a cooling fan (44) is fixedly installed at the heat dissipation end of its internal circulating oil circuit.

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