Planetary gear combination transmission

Abstract

The present invention discloses a planetary gear combination transmission machine, comprising a housing, an input member, an output member, a support member, a support cylinder and a transmission member; an input member is arranged at one end of the housing, at least one output member is arranged at the other end of the housing, a support cylinder is arranged inside the housing; the support cylinder is provided with a support member and a transmission member; the output member is arranged at the side of the other end of the housing, and is transmission-connected with the transmission member. The present invention has the characteristics of compact structure, large transmission torque, high transmission efficiency, labor saving and energy saving, etc.

Description

Technical Field

[0001] The invention relates to a planetary gear transmission device, in particular to a planetary gear combination transmission machine. Background Art

[0002] Gear transmission is the most common mechanical transmission in modern machines. It is a major form of transmitting machine power and motion and an important basic component of mechanical products. Compared with belt, chain, friction, hydraulic and other mechanical transmissions, it has a series of characteristics such as large power range, high transmission efficiency, high circular motion speed, accurate transmission ratio and long service life. Therefore, it has become an indispensable transmission component of many mechanical products and is also the largest transmission form in the machine.

[0003] Planetary gear transmission is a structural form of gear transmission. Planetary gear transmission is sometimes called "epicyclic gear transmission", which describes a gear system with a housing, which includes one or more planetary gears rotating around a central sun gear. However, the existing planetary gear transmission has low transmission torque and low transmission efficiency. Summary of the invention

[0004] The object of the present invention is to provide a planetary gear combination transmission machine in view of the defects of the prior art.

[0005] In order to achieve the above-mentioned purpose of the present invention, the technical solution adopted is:

[0006] A planetary gear combination transmission machine, comprising a housing, an input member, an output member, a support member, a support cylinder and a transmission member; an input member is arranged at one end of the housing, at least one output member is arranged at the other end of the housing, a support cylinder is arranged in the housing; the support cylinder is arranged with a support member and a transmission member; the output member is in transmission connection with the transmission member;

[0007] The supporting member comprises a first sealing plate, a second sealing plate and a third sealing plate which are sequentially arranged in the box body, the first sealing plate and the second sealing plate are arranged at one end of the box body, and the third sealing plate is arranged at the other end of the box body;

[0008] The input member comprises an input shaft, an input driving gear, a positioning shaft sleeve, and a driven gear; the input shaft sequentially penetrates the housing, the first sealing plate, the input driving gear, and the second sealing plate; the input shaft is provided with bearings on the housing, the first sealing plate, and the second sealing plate; the input shaft and the input driving gear are fixedly connected by a key; the input driving gear is connected to an external meshing transmission matching the driven gear provided on the positioning shaft sleeve; the driven gear is fixed to the positioning shaft sleeve by a key restriction;

[0009] The transmission component includes a positioning shaft, a planetary shaft, a support plate, an A gear ring, a B gear, a C gear, an A double gear, a B double gear, a B output gear, an A planetary gear, a B planetary gear, a C planetary gear, an N planetary gear, a D planetary gear ring, an E planetary gear, an F planetary gear, a planetary shaft sleeve B, a planetary shaft sleeve A and an input driving gear;

[0010] The two ends of the positioning shaft are respectively provided with bearings for rotationally connecting with the first sealing plate and the third sealing plate respectively. The positioning shaft is sequentially provided with a positioning shaft sleeve, a B gear, an A double gear, a C gear, a B double gear and a B output gear. The positioning shaft is respectively provided with a key for fixed connection with the B gear, the C gear and the B double gear. The positioning shaft is respectively rotationally connected with the A double gear and the output gear provided with bearings; the positioning shaft sleeve is placed through the second sealing plate and the support plate;

[0011] The positioning shaft sleeve passes through the second sealing plate, the support plate, and the A gear in sequence; the second sealing plate and the support plate are rotatably connected to the positioning shaft sleeve respectively; and the positioning shaft sleeve is fixedly connected to the A gear via a key;

[0012] The two ends of the planetary shaft are respectively connected to the support plate and the B output gear through rolling bearings II, the support plate and the B output gear are provided with center holes, the support plate is installed on the positioning shaft sleeve, and the B output gear is connected to the positioning shaft through rolling bearings II; the planetary shaft is provided with a planetary shaft sleeve B, a planetary shaft sleeve A and a planetary gear A in sequence, and the planetary shaft sleeve B, the planetary shaft sleeve A and the A planetary gear are sleeved on the planetary shaft;

[0013] The two ends of the planetary shaft sleeve B are respectively fixed with the planetary gear D and the planetary gear F by inserting keys, and the planetary shaft sleeve B and the planetary gear E are rotatably connected by a bearing;

[0014] The E planetary gear and the A gear ring of the supporting cylinder are matched and meshed and driven in connection;

[0015] The planetary gear D is fixed to one end of the planetary shaft sleeve B by a key and is meshed and driven to match the double gear A;

[0016] The planetary gear F is fixed to the other end of the planetary shaft sleeve B by a key and is meshed and connected with the gear A;

[0017] The planetary shaft sleeve A is equipped with planetary gears B, C and N;

[0018] The B planetary gear is meshed and connected with one end of the B double gear, the other end of the B double gear is meshed and connected with one end of the A planetary gear, and the other end of the A planetary gear is meshed and connected with the C gear ring of the supporting cylinder;

[0019] One end of the C planetary gear is meshed and connected to the C gear, and the other end is meshed and connected to the B gear ring of the supporting cylinder;

[0020] The side of the support cylinder is provided with a meshing opening, which is aligned with the output gear B;

[0021] The output component includes an output gear A, a bearing seat I and an output shaft. The bearing seat I is installed on the edge of the meshing port. One end of the output shaft is rotatably fixedly connected to the bearing seat I, and the other end passes through the output gear A and the housing and extends outward. The output gear A is fixed to the output shaft and extends into the support cylinder through the meshing port to engage with the output gear B.

[0022] As a further improvement of the technical solution, the number of the planetary shafts is more than 3, and the commonly used number is 3 to 20. This can facilitate the realization of multi-shaft transmission and effectively improve the transmission efficiency.

[0023] As a further improvement of the technical solution, the planetary shafts are evenly distributed around the support plate and the B output gear corresponding to the support plate with the positioning shaft as the center, which can help ensure the transmission accuracy and thus improve the transmission efficiency.

[0024] As a further improvement of the technical solution, the order in which the B gear, the A double gear, the C gear, and the B double gear are installed on the positioning shaft is: from the input end to the output end, they are B gear, A double gear, C gear, and B double gear, and the arrangement is repeated in this way. The number of B gears, A double gears, C gears, and B double gears can be appropriately increased according to the setting requirements.

[0025] As a further improvement of the technical solution, the sum of the number of planet shaft sleeves A and planet shaft sleeves B installed on the planet shaft is W≥2; the sum of the number of double gears A and double gears B is equal to W. The two values ​​are equal, which is beneficial to transmission output.

[0026] As a further improvement of the technical solution, the inner circumferential surface of the support cylinder is provided with a plurality of gear rings, which can facilitate the meshing transmission of the E planetary gear, the C planetary gear, and the A planetary gear with the inner circumferential surface of the support cylinder, and simultaneously support the E planetary gear, the C planetary gear, and the A planetary gear, thereby supporting the planetary shaft and the positioning shaft, and enhancing the bearing capacity of the planetary shaft and the positioning shaft.

[0027] As a further improvement of the technical solution, the A gear ring is arranged on the inner circumference surface of the support cylinder corresponding to the E planetary gear; the B gear ring is arranged on the inner circumference surface of the support cylinder corresponding to the C planetary gear; the C gear ring is arranged on the inner circumference surface of the support cylinder corresponding to the A planetary gear. The A gear ring, the B gear ring and the C gear ring on the support cylinder can ensure that the transmission component rotates therein.

[0028] As a further improvement of the technical solution, a countersink I is provided at one end of the box body, and a countersink II is provided at the other end of the box body; the second sealing plate and the first sealing plate are fixedly installed in the countersink I; the third sealing plate is fixedly installed in the countersink II. The countersink I can limit and fix the second sealing plate, and the countersink II can limit and fix the third sealing plate. The combination of the countersink I and the countersink II can help the positioning axis find the center.

[0029] As a further improvement of the technical solution, a cylinder is installed between the second sealing plate and the first sealing plate; and an accommodation space I is formed between the cylinder, the second sealing plate and the first sealing plate. Accommodation space I can provide sufficient space for the input driving gear and the driven gear to mesh and drive, which is conducive to effective transmission.

[0030] As a further improvement of the technical solution, the planetary gear combination transmission shown also includes an output housing, which is wrapped around the output member and forms a housing space II with the outer side of the housing. The output housing can protect the output gear from rotating and prevent the output gear from being disturbed by the outside world during operation. The housing space II provides sufficient accommodation space for the output gear and its associated equipment.

[0031] Working principle:

[0032] Input component transmission: the input shaft is connected to the driving motor for rotation, the driving motor drives the input shaft to rotate, the input shaft drives the input driving gear to rotate, the input driving gear meshes with the driven gear for transmission, drives the driven gear to rotate, the driven gear drives the positioning shaft sleeve to rotate, the positioning shaft sleeve drives the A gear to rotate;

[0033] Output member transmission: A gear meshes with F planetary gear to drive F planetary gear to rotate, F planetary gear drives planetary shaft sleeve A to rotate, planetary shaft sleeve A drives D planetary gear to rotate, D planetary gear meshes with one end of A double gear to drive A double gear to rotate, the other end of A double gear meshes with N gear to drive N gear to rotate, N gear drives planetary shaft sleeve B to rotate, planetary shaft sleeve B drives B planetary gear to rotate, B planetary gear meshes with one end of B double gear to drive B double gear to rotate, the other end of B double gear meshes with one end of A planetary gear to drive A planetary gear to rotate, the other end of A planetary gear meshes with the supporting cylinder for transmission;

[0034] At the same time, the double gear B drives the positioning shaft to rotate, and the positioning shaft drives the gear B and gear C to rotate. The gear B meshes with one end of the planetary gear E for transmission, and the other end of the planetary gear E meshes with the supporting cylinder for transmission; the gear C meshes with one end of the planetary gear C for transmission, driving the planetary gear C to rotate, and the other end of the planetary gear C meshes with the supporting cylinder for transmission;

[0035] The planetary gears E, C and A are meshed and driven with the support cylinder respectively, the support plate is rotationally connected with the positioning shaft sleeve, and the positioning shaft is rotationally connected with the output gear and the third sealing plate; the planetary gears E, C and A drive the planetary shaft to make a circular motion in the support cylinder with the positioning shaft as the center, and at the same time, the planetary shaft drives the output gear to make an axial rotation motion around the positioning shaft;

[0036] Output component transmission: The output gear rotates under the drive of the planetary shaft, the output gear meshes with the output gear for transmission, drives the output gear to rotate, the output gear drives the output shaft to rotate, and the output shaft drives the output device connected to it to work.

[0037] The present invention has outstanding features and progress compared with the prior art:

[0038] 1. The present invention has a multi-purpose one-axis configuration, has a compact structure, and the gears can respectively realize positive rotation or reverse rotation, has a large transmission torque, high transmission efficiency, and saves labor and energy.

[0039] 2. The transmission route of the present invention is: the input shaft transmits to the input driving gear, the input driving gear transmits to the driven gear, the driven gear transmits to the positioning shaft sleeve, the positioning shaft sleeve transmits to the A gear, the A gear transmits to the F planetary gear, the F planetary gear transmits to the planetary shaft sleeve B, the planetary shaft sleeve B transmits to the D planetary gear, the D planetary gear transmits to the A double gear, the A double gear transmits to the N gear, the N gear transmits to the planetary shaft sleeve A, the planetary shaft sleeve A transmits to the B planetary gear, the B planetary gear transmits to the B double gear, the B double gear transmits to the A planetary gear and the positioning shaft, the positioning shaft transmits to the C gear and the B gear, the C gear transmits to the C planetary gear, the B gear transmits to the E planetary gear, the A planetary gear, the C planetary gear and the E planetary gear drive the planetary shaft to make a circular motion around the positioning shaft. When there are multiple planetary shafts, each planetary shaft is transmitted according to the same route.

[0040] 3. In the transmission route of the present invention, the meshing points of the planetary gears E, C and A with the supporting cylinder are used as fulcrums, and the power arm is the diameter of each of the planetary gears E, C and A. The axis of the planetary shaft and the positioning shaft at the connection of the output gear B to the meshing point of the output gear B and the output gear A is the resistance arm, and the meshing point of the output gear B and the output gear A is the resistance point. When the resistance point is on the fulcrum line, the resistance is shared by the power and the fulcrum. The resistance of the output gear B is shared by the gear A, gear B, double gear A, gear C and double gear B. A labor-saving effect is achieved. When there are multiple planetary shafts, the resistance of the output gear B is shared by multiple gears A, gear B, double gear A, gear C and double gear B, achieving a better labor-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0042] Figure 1 : is a schematic structural diagram of a cross section of a planetary gear combination transmission mechanism of the present invention;

[0043] Figure 2 :For the present invention Figure 1 Schematic diagram of the structure of the AA section;

[0044] Figure 3 :For the present invention Figure 1 Schematic diagram of the structure of the middle BB section;

[0045] Figure 4 :For the present invention Figure 1 Structural diagram of the middle CC section;

[0046] Figure 5 :For the present invention Figure 1 Structural diagram of the middle DD section;

[0047] Figure 6 :For the present invention Figure 1 Schematic diagram of the structure of the EE section;

[0048] Markings in the figure: 1-driving motor, 2-input shaft, 3-box, 4-rolling bearing Ⅰ, 5-positioning shaft sleeve, 6-driven gear, 7-first closing plate, 8-accommodating space Ⅰ, 9-counter Ⅰ, 10-cylinder, 11-second closing plate, 12-support plate, 13-support cylinder, 14-A gear, 15-A gear ring, 16-B gear, 17 positioning shaft, 18-A double gear, 19-B gear ring, 20-C gear, 21-B double gear, 22-C gear ring, 23-output box, 24-bearing seat Ⅰ, 25-accommodating space Ⅱ, 26-A output gear, 27 -Bearing seat II, 28-Bearing seat III, 29-Flywheel, 30-Bearing seat IV, 31-Output device, 32-Output shaft, 33-Output shaft hole, 35-Meshing mouth, 36-Third sealing plate, 37-B output gear, 38-Nut, 39-Rolling bearing II, 40-Planet shaft, 41-A planetary gear, 42-Planet shaft sleeve A, 43-B planetary gear, 44-C planetary gear, 45-N planetary gear, 46-D planetary gear, 47-E planetary gear, 48-Planet shaft sleeve B, 49-F planetary gear, 50-Input driving gear, 51-Countersunk mouth II. DETAILED DESCRIPTION

[0049] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the present application.

[0050] Embodiment 1:

[0051] like Figures 1 to 6 As shown, a planetary gear combination transmission machine includes a housing 3, an input member, an output member, a support member, a support cylinder 13, an output housing 23 and a transmission member;

[0052] An input component is disposed at one end of the box body 3, an output component is disposed at the other end of the box body 3, and a support cylinder 13 is disposed inside the box body 3; the support cylinder 13 is provided with a support component and a transmission component;

[0053] The output member is arranged on the other side of the box body 3 and is in transmission connection with the transmission member;

[0054] The supporting member includes a first sealing plate 7, a second sealing plate 11 and a third sealing plate 36 and is sequentially arranged in the box body 3, the first sealing plate 7 and the second sealing plate 11 are placed at one end of the box body 3, and the third sealing plate 36 is placed at the other end of the box body 3;

[0055] The input member comprises an input shaft 2, an input driving gear 50, a positioning shaft sleeve 5, and a driven gear 6; the input shaft 2 sequentially penetrates the housing 3, the first sealing plate 7, the input driving gear 50, and the second sealing plate 11; the input shaft 2 is provided with bearings on the housing 3, the first sealing plate 7, and the second sealing plate 11; the input shaft 2 is provided with a key for fixed connection with the input driving gear 50; the input driving gear 50 is connected with the driven gear 6 matched with the positioning shaft sleeve 5 by an external meshing transmission; the input driving gear 50 is fixedly connected with the positioning shaft sleeve 5 by a key; the positioning shaft sleeve 5 is fixedly connected with the driven gear 6 by a key;

[0056] The transmission member includes a positioning shaft 17, a planetary shaft 40, a support plate 12, an A gear 14, a B gear 16, a C gear 20, an A double gear 18, a B double gear 21, a B output gear 37, an A planetary gear 41, a B planetary gear 43, a C planetary gear 44, an N planetary gear 45, a D planetary gear ring 46, an E planetary gear 47, an F planetary gear 49, a planetary shaft sleeve B42, a planetary shaft sleeve A48 and an input driving gear 50;

[0057] The two ends of the positioning shaft 17 are respectively provided with bearings for rotationally connecting with the first sealing plate 7 and the third sealing plate 36 respectively. The positioning shaft 17 is sequentially provided with a positioning shaft sleeve 5, a B gear 16, an A double gear 18, a C gear 20, a B double gear 21 and a B output gear 37. The positioning shaft 17 is respectively provided with a key for fixed connection with the B gear 16, the C gear 20 and the B double gear 21. The positioning shaft 17 is respectively rotationally connected with the A double gear 18 and the output gear 37 provided with bearings; the B output gear 37 is connected with the positioning shaft 17 through a rolling bearing II 39; the positioning shaft 17 is also respectively connected with the first sealing plate 7 and the third sealing plate 36 through a rolling bearing I 4;

[0058] The positioning shaft sleeve 5 is also equipped with a second sealing plate 11, a support plate 12, and an A gear 14, starting from the driving gear 50, and moving to the right (by Figure 1 For reference, the second sealing plate 11, the support plate 12, and the A gear 14 are installed facing the structural schematic diagram; the A gear 14 is fixedly connected to the positioning shaft sleeve 5 through a key, and the positioning shaft sleeve 5 can rotate on the second sealing plate 11 and the support plate 12;

[0059] The support plate 12 and the B output gear 37 are provided with a center hole, which can facilitate the positioning and installation of the positioning shaft 17;

[0060] The two ends of the planetary shaft 40 are respectively fixedly connected to the support plate 12 and the B output gear 37 through rolling bearings II 39, and the part of the planetary shaft 40 extending out of the support plate 12 and the B output gear 37 is connected by nuts 38, thereby playing a role of limiting and fixing;

[0061] The planetary shaft 40 is provided with a planetary shaft sleeve B48, a planetary shaft sleeve A42 and an A planetary gear 41 in sequence. The planetary shaft 40 is rotatably and slidably connected with the planetary shaft sleeve B48 and the planetary shaft sleeve A42. The A planetary gear 41 can rotate around the planetary shaft 40.

[0062] The inner circumferential surface of the support cylinder 13 corresponding to the E planetary gear 47 is provided with an A gear ring 15; the inner circumferential surface of the support cylinder 13 corresponding to the C planetary gear 44 is provided with a B gear ring 19; the inner circumferential surface of the support cylinder 13 corresponding to the A planetary gear 41 is provided with a C gear ring 22; it can facilitate the rotation of the transmission component in the support cylinder;

[0063] The two ends of the planetary shaft sleeve B48 are respectively fixed with a key to install the D planetary gear 46 and the F planetary gear 49, and the planetary shaft sleeve B48 and the E planetary gear 47 are provided with a bearing for rotational sliding connection; the D planetary gear 46 is connected to the A double gear 18 in meshing transmission; the E planetary gear 47 is provided with a bearing for meshing transmission connection with the B gear 16 and the A gear ring 15 of the support cylinder 13; the F planetary gear 49 is connected to the A gear 14 in meshing transmission;

[0064] The planetary shaft sleeve B42 is installed with a B planetary gear 43, a C planetary gear 44 and an N planetary gear 45; the B planetary gear 43 is meshed with one end of the B double gear 21, the other end of the B double gear 21 is meshed with one end of the A planetary gear 41, and the other end of the A planetary gear 41 is meshed with the C gear ring 22 of the support cylinder 13; one end of the C planetary gear 44 is meshed with the C gear 20, and the other end is meshed with the B gear ring 19 of the support cylinder 13;

[0065] The side surface of the support cylinder 13 is provided with an engagement opening 35, and the engagement opening 35 is aligned with the B output gear 37;

[0066] The output member includes an A output gear 26, a bearing seat Ⅰ24 and an output shaft 32. The bearing seat Ⅰ24 is installed on the edge of the meshing opening 35. One end of the output shaft 32 is rotatably fixedly connected to the bearing seat Ⅰ24, and the other end passes through the A output gear 26 and the box body 3 and extends outward; the A output gear 26 is fixed to the output shaft 32, and extends into the support cylinder 13 through the meshing opening 35 to mesh with the B output gear 37.

[0067] The input shaft 2 is connected to the housing 3, the first sealing plate 7, and the second sealing plate 11 through rolling bearings Ⅰ4, so that the input shaft 2 is rotatably connected to the housing 3, the first sealing plate 7, and the second sealing plate 11. This facilitates the input shaft 2 to transmit the driving force to the input driving gear 50;

[0068] The output member also includes a bearing seat II 27, a bearing seat III 28, a flywheel 29 and a bearing seat IV 30; the bearing seat II 27 is installed in the output housing 23, and the bearing seat III 28 and the bearing seat IV 30 are placed outside the housing 3; the output shaft 32 sequentially passes through the bearing seat I 24, the A output gear 26, the bearing seat II 27, the housing 3, the bearing seat III 28, the flywheel 29 and the bearing seat IV 30 and is connected to the output device 31; the output shaft 32 is connected to the housing 3 through the output shaft hole 33;

[0069] In order to protect the output component from external environmental interference, an output box 23 is additionally installed on the output component, that is, the output box 23 wraps around the output component and forms an accommodating space II 25 with the outer side surface of the box 3 .

[0070] The number of the planetary shafts 40 is 3. The planetary shafts 40 are evenly distributed around the support plate 12 with the positioning shaft 17 as the center circumference; and the other end is connected to the B output gear 37 corresponding to the support plate 12. They are respectively rotatably fixedly connected to the support plate 12 and the B output gear 37.

[0071] The B gear 16, the A double gear 18, the C gear 20, and the B double gear 21 are installed on the positioning shaft 17 in the following order: from the input end to the output end, they are the B gear 16, the A double gear 18, the C gear 20, and the B double gear 21, and the arrangement is repeated in this cycle.

[0072] The sum of the number of planet shaft sleeves A42 and planet shaft sleeves B48 installed on the planet shaft 40 is 2; the sum of the number of double gears A 18 and double gears B 21 is 2. That is, the sum of the number of planet shaft sleeves A42 and planet shaft sleeves B48 installed on a single planet shaft 40 is equal to the sum of the number of double gears A 18 and double gears B 21 installed on the positioning shaft 17.

[0073] The transmission mode of the A gear ring 15, the B gear ring 19, and the C gear ring 22 is as follows: the A gear ring 15 is meshed with the E planetary gear 47, the B gear ring 19 is meshed with the C planetary gear 44, and the C gear ring 22 is meshed with the A planetary gear 41; the E planetary gear 47, the C planetary gear 44, and the A planetary gear 41 drive the planetary shaft 40 to make a circular motion around the positioning shaft 17 in the support cylinder 13. The planetary shaft 40 drives the B output gear 37 to make an axial rotational motion around the positioning shaft 17, and the B output gear 37 is meshed with the A output gear 26, thereby driving the A output gear 26 to rotate. After the A output gear 26 rotates, it drives the output shaft 32 to rotate. One end of the output shaft 32 located outside the housing 3 is rotationally connected to the output device 31, thereby driving the output device 31 to work.

[0074] The output device 31 may be an increase or decrease variable box.

[0075] In order to facilitate the positioning and installation of the second sealing plate 11 and the third sealing plate 36, a countersunk groove Ⅰ9 is provided at one end of the box body 3, and a countersunk groove Ⅱ51 is provided at the other end of the box body 3; the second sealing plate 11 and the first sealing plate 7 are fixedly installed in the countersunk groove Ⅰ9, and the second sealing plate 11 is pressed against the bottom surface of the countersunk groove Ⅰ9; the third sealing plate 36 is fixedly installed in the countersunk groove Ⅱ51.

[0076] A cylinder 10 is installed between the second sealing plate 11 and the first sealing plate 7 ; an accommodating space Ⅰ8 is formed between the cylinder 10 , the second sealing plate 11 and the first sealing plate 7 .

[0077] In order to facilitate transmission and subsequent maintenance, the input driving gear 50 is fixedly mounted on the input shaft 2 through a key. The driven gear 6 is fixedly connected to the positioning shaft sleeve 5 through a key. The A gear 14 is fixedly connected to the positioning shaft sleeve 5 through a key.

[0078] In order to achieve effective transmission and convenient disassembly and assembly, the B planetary gear 43 is fixedly connected to the planetary shaft sleeve B42 through a key. The N gear 45 is fixedly connected to the planetary shaft sleeve B42 through a key. The D planetary gear 46 is fixedly connected to the planetary shaft sleeve A48 through a key. The F planetary gear 49 is fixedly connected to the planetary shaft sleeve A48 through a key.

[0079] How it works:

[0080] Input component transmission: the input shaft 2 is rotationally connected with the driving motor 1, the driving motor 1 drives the input shaft 2 to rotate, the input shaft 2 drives the input driving gear 50 to rotate, the input driving gear 50 meshes with the driven gear 6 to drive the driven gear 6 to rotate, the driven gear 6 drives the positioning shaft sleeve 5 to rotate, and the positioning shaft sleeve 5 drives the A gear 14 to rotate;

[0081] Output member transmission: A gear 14 meshes with F planetary gear 49 to drive F planetary gear 49 to rotate, F planetary gear 49 drives planetary shaft sleeve A48 to rotate, planetary shaft sleeve A48 drives D planetary gear 46 to rotate, D planetary gear 46 meshes with one end of A double gear 18 to drive A double gear 18 to rotate, the other end of A double gear 18 meshes with N gear 45 to drive N gear 45 to rotate, N gear 45 drives planetary shaft sleeve B42 to rotate, planetary shaft sleeve B42 drives B planetary gear 43 to rotate, B planetary gear 43 meshes with one end of B double gear 21 to drive B double gear 21 to rotate, the other end of B double gear 21 meshes with one end of A planetary gear 41 to drive A planetary gear 41 to rotate, the other end of A planetary gear 41 meshes with support cylinder 13 for transmission;

[0082] At the same time, the B double gear 21 drives the positioning shaft 17 to rotate, and the positioning shaft 17 drives the B gear 16 and the C gear 20 to rotate. The B gear 16 is meshed with one end of the E planetary gear 47 for transmission, and the other end of the E planetary gear 47 is meshed with the support cylinder 13 for transmission; the C gear 20 is meshed with one end of the C planetary gear 44 for transmission, driving the C planetary gear 44 to rotate, and the other end of the C planetary gear 44 is meshed with the support cylinder 13 for transmission;

[0083] The E planetary gear 47, the C planetary gear 44, and the A planetary gear 41 are respectively meshed and driven with the support cylinder 13, the first support plate 12 is rotationally connected with the positioning shaft sleeve 5, and the positioning shaft 17 is rotationally connected with the B output gear 37 and the third sealing plate 36; the E planetary gear 47, the C planetary gear 44, and the A planetary gear 41 drive the planetary shaft 40 to perform a circular motion in the support cylinder 13 with the positioning shaft 17 as the center, and at the same time, the planetary shaft 40 drives the B output gear 37 to perform an axial rotation motion around the positioning shaft 17;

[0084] Output component transmission: The B output gear 37 rotates under the drive of the planetary shaft 40, and the B output gear 37 meshes with the output gear A for transmission, driving the A output gear 26 to rotate, and the A output gear 26 drives the output shaft 32 to rotate, and the output shaft 32 drives the output device connected thereto to work.

[0085] The transmission route of the present invention is as follows: the input shaft 2 is transmitted to the input driving gear 50, the input driving gear 50 is transmitted to the driven gear 6, the driven gear 6 is transmitted to the positioning shaft sleeve 5, the positioning shaft sleeve 5 is transmitted to the A gear 14, the A gear 14 is transmitted to the F planetary gear 49, the F planetary gear 49 is transmitted to the planetary shaft sleeve B48, the planetary shaft sleeve B48 is transmitted to the D planetary gear 46, the D planetary gear 46 is transmitted to the A double gear 18, the A double gear 18 is transmitted to the N gear 45, the N gear 45 The planetary shaft sleeve A42 transmits the power to the planetary gear B 43, the planetary gear B 43 transmits the power to the double gear B 21, the double gear B 21 transmits the power to the planetary gear A 41 and the positioning shaft 17, the positioning shaft 17 transmits the power to the gear C 20 and the gear B 16, the gear C 20 transmits the power to the planetary gear C 44, the gear B 16 transmits the power to the planetary gear E 47, the planetary gear A 41, the planetary gear C 44 and the planetary gear E 47 drive the planetary shaft 40 to make a circular motion around the positioning shaft 17. When there are multiple planetary shafts, each planetary shaft is driven along the same route.

[0086] In the transmission route of the present invention, the meshing points of the E planetary gear 47, the C planetary gear 44, and the A planetary gear 41 with the supporting cylinder are respectively used as fulcrums, and the power arm is the diameter of the E planetary gear 47, the C planetary gear 44, and the A planetary gear 41. The axis of the planetary shaft 40 and the positioning shaft 17 at the connection of the B output gear 37 to the meshing point of the B output gear 37 and the A output gear 26 is the resistance arm, and the meshing point of the B output gear 37 and the A output gear 26 is the resistance point. When the resistance point is on the fulcrum line, the resistance is borne by the power and the fulcrum. The resistance of the B output gear 37 is borne by the A gear 14, the B gear 16, the A double gear 18, the C gear 20, and the B double gear 21. A labor-saving effect is achieved. When there are multiple planetary shafts, the resistance of the B output gear is borne by multiple A gears, B gears, A double gears, C gears, and B double gears, achieving a better labor-saving effect.

[0087] Embodiment 2:

[0088] Compared with the embodiment 1, the difference is that the number of the output components is 2. The output box 23 is installed corresponding to the output components, and the number of the output box 23 is equal to the output components.

[0089] The number of the planetary shafts 40 is five.

[0090] The sum W of the number of planet shaft sleeves A48 and planet shaft sleeves B42 installed on a single planet shaft 40 is 3;

[0091] The sum of the number of the A double gears 18 and the number of the B double gears 21 is 3. The A double gears 18 and the B double gears 21 are the same.

[0092] Embodiment 3:

[0093] Compared with the embodiment 1, the difference is that the number of the output components is 3. The output box 23 is installed corresponding to the output components, and the number of the output box 23 is equal to the output components.

[0094] The number of the planetary shafts 40 is four.

[0095] The sum of the number W of planet shaft sleeves A48 and planet shaft sleeves B42 installed on a single planet shaft 40 is 4;

[0096] The sum of the number of the A double gear 18 and the number of the B double gear 21 is 4. The A double gear 18 and the B double gear 21 are the same.

[0097] Embodiment 4:

[0098] Compared with the embodiment 1, the difference is that the number of the output components is 5. The output box 23 is installed corresponding to the output components, and the number of the output box 23 is equal to the output components.

[0099] The number of the planetary shafts 40 is six.

[0100] The sum of the number W of planet shaft sleeves A48 and planet shaft sleeves B42 installed on a single planet shaft 40 is 4;

[0101] The sum of the number of the A double gear 18 and the number of the B double gear 21 is 4. The A double gear 18 and the B double gear 21 are the same.

[0102] Embodiment 5:

[0103] Compared with the embodiment 1, the difference is that the number of the output components is 2. The output box 23 is installed corresponding to the output components, and the number of the output box 23 is equal to the output components.

[0104] The number of the planetary shafts 40 is eight.

[0105] The sum W of the number of planet shaft sleeves A48 and planet shaft sleeves B42 installed on a single planet shaft 40 is 3;

[0106] The sum of the number of the A double gears 18 and the number of the B double gears 21 is 3. The A double gears 18 and the B double gears 21 are the same.

[0107] Embodiment 6:

[0108] Compared with the embodiments 1 to 5, the difference is that: the inner circumferential surface of the support cylinder 13 can be provided with a plurality of toothed rings. The toothed rings are formed by machining on the inner circumferential surface of the support cylinder 13, and these machined toothed rings can be used to replace the A toothed ring 15, the B toothed ring 19 and the C toothed ring 22. The toothed rings machined on the inner circumferential surface of the support cylinder 13 mesh with the transmission member for rotation.

[0109] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A planetary gear combination transmission, characterized in that: It comprises a housing (3), an input component, an output component, a support component, a support cylinder (13) and a transmission component; An input component is arranged at one end of the box body (3), at least one output component is arranged at the other end of the box body (3), and a support cylinder (13) is arranged inside the box body (3); the support cylinder (13) is provided with a support component and a transmission component; The output member is transmission-connected with the transmission member; The supporting member comprises a first sealing plate (7), a second sealing plate (11) and a third sealing plate (36) which are arranged in sequence in the box body (3), the first sealing plate (7) and the second sealing plate (11) being arranged at one end of the box body (3), and the third sealing plate (36) being arranged at the other end of the box body (3); The input component comprises an input shaft (2), an input driving gear (50), a positioning shaft sleeve (5), and a driven gear (6); the input shaft (2) sequentially penetrates the housing (3), the first sealing plate (7), the input driving gear (50), and the second sealing plate (11); the input shaft (2) is provided with bearings on the housing (3), the first sealing plate (7), and the second sealing plate (11); the input shaft (2) and the input driving gear (50) are fixedly connected by a key; the input driving gear (50) is externally meshed and drivenly connected to a driven gear (6) provided on the positioning shaft sleeve (5); the driven gear (6) is fixedly fixed to the positioning shaft sleeve (5) by a key. The transmission component comprises a positioning shaft (17), a planetary shaft (40), a support plate (12), an A gear (14), a B gear (16), a C gear (20), an A double gear (18), a B double gear (21), a B output gear (37), an A planetary gear (41), a B planetary gear (43), a C planetary gear (44), an N planetary gear (45), a D planetary gear (46), an E planetary gear (47), an F planetary gear (49), a planetary shaft sleeve B (48), a planetary shaft sleeve A (42), and an input driving gear (50); The two ends of the positioning shaft (17) are respectively provided with bearings for being rotatably connected to the first closing plate (7) and the third closing plate (36), respectively; the positioning shaft (17) is sequentially provided with a positioning shaft sleeve (5), a B gear (16), an A double gear (18), a C gear (20), a B double gear (21) and a B output gear (37); the positioning shaft (17) is respectively provided with a key for fixed connection with the B gear (16), the C gear (20) and the B double gear (21); the positioning shaft (17) is respectively rotatably connected with the A double gear (18) and the B output gear (37) provided with bearings; The positioning shaft sleeve (5) sequentially passes through the second sealing plate (11), the support plate (12), and the A gear (14); the second sealing plate (11) and the support plate (12) are respectively rotatably connected to the positioning shaft sleeve (5); and the positioning shaft sleeve (5) is fixedly connected to the A gear (14) via an insertion key; The two ends of the planetary shaft (40) are respectively connected to the support plate (12) and the B output gear (37) in a fixed rotational manner through rolling bearings II (39); the planetary shaft (40) is provided with a planetary shaft sleeve B (48), a planetary shaft sleeve A (42) and an A planetary gear (41) in sequence, and the planetary shaft sleeve B (48), the planetary shaft sleeve A (42) and the A planetary gear (41) are sleeved on the planetary shaft (40); The two ends of the planetary shaft sleeve B (48) are respectively fixedly mounted with a D planetary gear (46) and an F planetary gear (49) by means of a key, and the planetary shaft sleeve B (48) and the E planetary gear (47) are rotatably connected by a bearing; The E planetary gear (47) is connected to the A gear ring (15) of the supporting cylinder (13) in a matching meshing transmission manner; The D planetary gear (46) is fixed to one end of the planetary shaft sleeve B (48) by means of a key and is meshingly connected to the A double gear (18); The F planetary gear (49) is fixed to the other end of the planetary shaft sleeve B (48) by means of a key and is meshingly connected to the A gear (14); The planet shaft sleeve A (42) is mounted with a B planet gear (43), a C planet gear (44) and an N planet gear (45); The B planetary gear (43) is meshingly connected to one end of the B double gear (21), the other end of the B double gear (21) is meshingly connected to one end of the A planetary gear (41), and the other end of the A planetary gear (41) is meshingly connected to the C gear ring (22) of the supporting cylinder (13); One end of the C planetary gear (44) is meshingly connected to the C gear (20) and the other end is meshingly connected to the B gear ring (19) of the supporting cylinder (13). A meshing opening (35) is provided on the side of the support cylinder (13), and the meshing opening (35) is aligned with the B output gear (37); The output member comprises an output gear A (26), a bearing seat I (24) and an output shaft (32); the bearing seat I (24) is mounted on the edge of the meshing opening (35); one end of the output shaft (32) is rotatably fixedly connected to the bearing seat I (24), and the other end passes through the output gear A (26) and the housing (3) and extends outward; the output gear A (26) is fixed to the output shaft (32) and extends into the support cylinder (13) through the meshing opening (35) to mesh with the output gear B (37); The planetary shafts (40) are evenly distributed around the periphery of the support plate (12) and the B output gear (37) corresponding to the support plate (12) with the positioning shaft (17) as the center circumference; The B gear (16), the A double gear (18), the C gear (20), and the B double gear (21) are installed on the positioning shaft (17) in the following order: from the input end to the output end, the B gear (16), the A double gear (18), the C gear (20), and the B double gear (21), and the arrangement is repeated in a cycle.

2. The planetary gear combination transmission according to claim 1, characterized in that: The number of the planetary shafts (40) is more than 3.

3. The planetary gear combination transmission according to claim 1, characterized in that: The planetary shaft (40) The sum of the number of installed planet shaft sleeves A (42) and planet shaft sleeves B (48) is W ≥ 2; The sum of the number of the A double gear (18) and the number of the B double gear (21) is equal to W.

4. The planetary gear combination transmission according to claim 1, characterized in that: The inner circumferential surface of the support cylinder (13) is provided with a plurality of toothed rings.

5. The planetary gear combination transmission according to claim 1 or 4, characterized in that: The A gear ring (15) and the E planetary gear (47) are arranged on the inner circumferential surface of the supporting cylinder (13) correspondingly; The B gear ring (19) and the C planetary gear (44) are arranged on the inner circumferential surface of the supporting cylinder (13) correspondingly; The C gear ring (22) and the A planetary gear (41) are arranged on the inner circumferential surface of the supporting cylinder (13) correspondingly.

6. The planetary gear combination transmission according to claim 1, characterized in that: One end of the box body (3) is provided with a countersunk mouth I (9), and the other end of the box body (3) is provided with a countersunk mouth II (51); The second sealing plate (11) and the first sealing plate (7) are fixedly installed in the countersunk mouth I (9); A third sealing plate (36) is fixedly installed in the countersunk mouth II (51).

7. The planetary gear combination transmission according to claim 1 or 6, characterized in that: A cylinder (10) is installed between the second sealing plate (11) and the first sealing plate (7); an accommodating space I (8) is formed between the cylinder (10), the second sealing plate (11) and the first sealing plate (7).

8. The planetary gear combination transmission according to claim 6, characterized in that: It also includes an output box (23), wherein the output box (23) is wrapped around the output component and forms a containing space II (25) with the outer side surface of the box (3).

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