Novel mixing station motor reducer integrated driving structure

Abstract

The utility model discloses a novel mixing station motor reducer integrated driving structure which comprises a machine shell, a motor, a first planetary gear transmission mechanism and a second planetary gear transmission mechanism. The motor is arranged on the machine shell, a rotor shaft of the motor extends into the machine shell, a motor gear is arranged on the rotor shaft, the motor gear is located in the machine shell, and the motor gear is connected with an idle gear in a meshed mode. The mechanism is composed of the shell, the motor, the first planetary gear transmission mechanism and the second planetary gear transmission mechanism, is integrally designed, does not need a coupler, a belt pulley, a belt, a protective cover and other components, is simple in structure, small in size, light in weight and integrally installed, saves installation of the motor, the belt pulley, a machine cover and the coupler, and is low in installation and maintenance cost. Meanwhile, a belt pulley and a belt are not needed, the problems of potential safety hazards, noise and slipping are avoided, in addition, the speed reducer is synchronously driven by the single motor, and the output end of the speed reducer is higher in synchronization precision.

Description

Technical Field

[0001] The utility model relates to the technology of the reducer field, in particular to a novel integrated drive structure of a motor reducer for a mixing station. Background Art

[0002] The cement mixing reducer mechanism is used in the cement mixing industry. Its main function is to mix concrete. At present, most of the mechanisms used in the market are that the motor drives the pulley and then the pulley drives the reducer to be connected to the main mixing rod. Specifically, the first motor drives the first large pulley through the first small pulley, a first belt is connected between the first small pulley and the first large pulley, and then the first bevel gear shaft of the first reducer is driven through the first large pulley, and then the first bevel gear shaft drives the first bevel gear plate, and the first bevel gear driven by the driven gear of the first bevel gear drives the planet carrier to run; at the same time, the second motor drives the second large pulley through the second small pulley, a second belt is connected between the second small pulley and the second large pulley, and then the second bevel gear shaft of the second reducer is driven through the second large pulley, and then the second bevel gear shaft drives the second bevel gear plate, and the second bevel gear driven by the driven gear of the second bevel gear drives the planet carrier to run, and a universal joint is set between the first large pulley and the second large pulley, and the universal joint is used to ensure the transmission consistency between the first reducer and the second reducer, and a protective cover is set to protect the first belt and the second belt to prevent the first belt and the second belt from being damaged.

[0003] The above cement mixer reducer mechanism requires couplings, pulleys, protective covers and other components, with many parts to install, and the main machine assembly is complicated. The installation cost is high, the belt transmission noise is loud, and it needs to be replaced regularly. In addition, the overall mechanism is large in size and occupies a large space. Therefore, it is necessary to study a solution to solve the above problems. Utility Model Content

[0004] In view of this, the utility model aims to address the deficiencies in the prior art, and its main purpose is to provide a new integrated drive structure for a mixing station motor reducer, which can effectively solve the problems of the existing cement mixing reducer mechanism, such as complex assembly, high installation cost, high transmission noise and large size.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel integrated drive structure of a motor reducer for a mixing station includes a housing, a motor, a first planetary gear transmission mechanism and a second planetary gear transmission mechanism;

[0007] The motor is arranged on the casing, the rotor shaft of the motor extends into the casing, a motor gear is arranged on the rotor shaft, the motor gear is located in the casing, the motor gear is meshed and connected with an idler gear, the idler gear is located in the casing and is driven to rotate by the motor gear;

[0008] The first planetary gear transmission mechanism is arranged inside one side of the casing, and the first planetary gear transmission mechanism includes a first primary driven gear, a first secondary driving gear shaft, a first secondary driven gear, a first tertiary driving gear shaft, a first tertiary driven gear, a first spline shaft, a first sun gear, a first planetary gear and a first planet carrier; the first primary driven gear is meshed and connected with the idler gear and driven to rotate by the idler gear, the first primary driven gear is fixed on the first secondary driving gear shaft and drives the first secondary driving gear shaft to rotate, and the first secondary driving gear shaft drives the first and second driving gear shafts through the first gear pair. The first and second driven gears rotate, the first and second driven gears are fixed on the first and third driving gear shafts and drive the first and third driving gear shafts to rotate, the first and third driving gear shafts drive the first and third driven gears to rotate through the second gear pair, the first and third driven gears are fixed on the first spline shaft and drive the first spline shaft to rotate, the first spline shaft is fixedly connected to the first sun gear and drives the first sun gear to rotate, the first sun gear drives the first planetary gear through the third gear pair, the first planetary gear drives the first planet carrier, the first planet carrier has a first internal spline, and the first internal spline is exposed to the casing;

[0009] The second planetary gear transmission mechanism is arranged inside the other side of the casing, and the second planetary gear transmission mechanism includes a second-stage driven gear, a second-stage driving gear shaft, a second-stage driven gear, a second-stage driving gear shaft, a second-stage driven gear, a second-stage driven gear, a second-stage driven gear, a second-stage spline shaft, a second sun gear, a second planetary gear and a second planet carrier; the second-stage driven gear is meshed and connected with the motor gear and driven to rotate by the motor gear, the second-stage driven gear is fixed on the second-stage driving gear shaft and drives the second-stage driving gear shaft to rotate, and the second-stage driving gear shaft drives the second-stage driven gear shaft through the fourth gear pair. The second and second level driven gear rotates, the second and second level driven gear is fixed on the second and third level driving gear shaft and drives the second and third level driving gear shaft to rotate, the second and third level driving gear shaft drives the second and third level driven gear to rotate through the fifth gear pair, the second and third level driven gear is fixed on the second spline shaft and drives the second spline shaft to rotate, the second spline shaft is fixedly connected to the second sun gear and drives the second sun gear to rotate, the second sun gear drives the second planetary gear through the sixth gear pair, the second planetary gear drives the second planet carrier, the second planet carrier has a second internal spline, and the second internal spline is exposed to the casing.

[0010] Preferably, the casing includes a reducer casing, a first middle casing, a first upper casing, a first inner gear ring, a second middle casing, a second upper casing and a second inner gear ring; the motor gear, the idler gear, the first first-stage driven gear, the first second-stage driving gear shaft, the first second-stage driven gear, the first third-stage driving gear shaft, the first third-stage driven gear, the second first-stage driven gear, the second second-stage driving gear shaft, the second second-stage driven gear, the second third-stage driving gear shaft and the second third-stage driven gear are all located in the reducer casing; the first upper casing, the first inner gear ring and the first middle casing are connected together by a first connecting bolt and a first nut, the first middle casing is connected to one side of the reducer casing by a first fixing bolt, and the first planetary gear is meshedly connected to the first inner gear ring; the second upper casing, the second inner gear ring and the second middle casing are connected together by a second connecting bolt and a second nut, the second middle casing is connected to the other side of the reducer casing by a second fixing bolt, and the second planetary gear is meshedly connected to the second inner gear ring.

[0011] Preferably, the motor is a permanent magnet motor with a flat design, and the permanent magnet motor is fixed on the reducer housing.

[0012] Preferably, the motor adopts a vortex fan to dissipate heat through a ventilation duct, and the vortex fan is fixed on the reducer housing.

[0013] Preferably, the first-stage driven gear drives the first-stage second driving gear shaft to rotate via the first key, the first-stage second driven gear drives the first-stage third driving gear shaft to rotate via the second key, the first-stage third driven gear drives the first spline shaft to rotate via the third key, and the first spline shaft drives the first sun gear to rotate via the first spline.

[0014] Preferably, the second-stage driven gear drives the second-stage driving gear shaft to rotate via the fourth key, the second-stage driven gear drives the second-stage driving gear shaft to rotate via the fifth key, the second-stage driven gear drives the second spline shaft to rotate via the sixth key, and the second spline shaft drives the second sun gear to rotate via the second spline.

[0015] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0016] This mechanism consists of a shell, a motor, a first planetary gear transmission mechanism and a second planetary gear transmission mechanism. It is an overall integrated one-piece design and does not require components such as couplings, pulleys, belts and protective covers. It has a simple structure, small size, light weight, and one-piece installation, which eliminates the need for installation of motors, pulleys, machine covers and couplings. It has low installation and maintenance costs and does not require pulleys and belts, thus avoiding potential safety hazards, noise and slippage. In addition, the single motor drives the reducer synchronously, and the synchronization accuracy of the reducer output end is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the utility model;

[0018] Figure 2 It is a cross-sectional view of a preferred embodiment of the utility model.

[0019] Description of the accompanying drawings:

[0020] 10. Casing 11. Reducer housing

[0021] 12. First middle box 13. First upper box

[0022] 14. First inner gear ring 15. Second middle housing

[0023] 16. Second upper housing 17. Second inner gear ring

[0024] 101. First connecting bolt 102. First nut

[0025] 103, first fixing bolt 104, second connecting bolt

[0026] 105, second nut 106, second fixing bolt

[0027] 20. Motor 21. Rotor shaft

[0028] 22. Motor gear 23. Idler gear

[0029] 30. First planetary gear transmission mechanism 31. First primary driven gear

[0030] 32. First and second driving gear shaft 321. First gear pair

[0031] 33. First and second stage driven gears 34. First and third stage driving gear shafts

[0032] 341, second gear pair 35, first three-stage driven gear

[0033] 36. First spline shaft 37. First sun gear

[0034] 371, third gear pair 38, first planetary gear

[0035] 39. First planet carrier 391. First internal spline

[0036] 40. Second planetary gear transmission mechanism 41. Second primary driven gear

[0037] 42, second secondary driving gear shaft 421, fourth gear pair

[0038] 43. Secondary driven gear 44. Secondary driving gear shaft

[0039] 441, fifth gear pair 45, second and third stage driven gear

[0040] 46. ​​Second spline shaft 47. Second sun gear

[0041] 471, sixth gear pair 48, second planetary gear

[0042] 49. Second planet carrier 491. Second internal spline

[0043] 50. Vortex fan 51. Ventilation duct DETAILED DESCRIPTION

[0044] Please refer to Figure 1 to Figure 2 As shown, it shows the specific structure of a preferred embodiment of the utility model, including a housing 10, a motor 20, a first planetary gear transmission mechanism 30 and a second planetary gear transmission mechanism 40.

[0045] The casing 10 includes a reducer housing 11, a first middle housing 12, a first upper housing 13, a first inner gear ring 14, a second middle housing 15, a second upper housing 16 and a second inner gear ring 17; the first upper housing 13, the first inner gear ring 14 and the first middle housing 12 are connected together by a first connecting bolt 101 and a first nut 102, the first middle housing 12 is connected to one side of the reducer housing 11 by a first fixing bolt 103, the second upper housing 16, the second inner gear ring 17 and the second middle housing 15 are connected together by a second connecting bolt 104 and a second nut 105, and the second middle housing 15 is connected to the other side of the reducer housing 11 by a second fixing bolt 106.

[0046] The motor 20 is arranged on the housing 10, and the rotor shaft 21 of the motor 20 extends into the housing 10. The rotor shaft 21 is provided with a motor gear 22, and the motor gear 22 is located in the housing 10. The motor gear 22 is meshed and connected with an idler gear 23, and the idler gear 23 is located in the housing 10 and driven to rotate by the motor gear 22. In this embodiment, the motor gear 22 and the idler gear 23 are both located in the reducer housing 11. The motor 20 adopts a flattened permanent magnet motor, which is fixed on the reducer housing 11, which is efficient and reduces space. In addition, the motor adopts a vortex fan 50 to dissipate heat through a ventilation duct 51, and the vortex fan 50 is fixed on the reducer housing 11.

[0047] The first planetary gear transmission mechanism 30 is arranged inside one side of the housing 10, and the first planetary gear transmission mechanism 30 includes a first primary driven gear 31, a first secondary driving gear shaft 32, a first secondary driven gear 33, a first tertiary driving gear shaft 34, a first tertiary driven gear 35, a first spline shaft 36, a first sun gear 37, a first planetary gear 38 and a first planet carrier 39; the first primary driven gear 31 is meshed and connected with the idler gear 23 and is driven to rotate by the idler gear 23, the first primary driven gear 31 is fixed on the first secondary driving gear shaft 32 and drives the first secondary driving gear shaft 32 to rotate, and the first secondary driving gear shaft 32 drives the first and second driven gears through the first gear pair 321 The first and second driven gears 33 are fixed on the first and third driving gear shafts 34 and drive the first and third driving gear shafts 34 to rotate. The first and third driving gear shafts 34 drive the first and third driven gears 35 to rotate through the second gear pair 341. The first and third driven gears 35 are fixed on the first spline shaft 36 and drive the first spline shaft 36 to rotate. The first spline shaft 36 is fixedly connected to the first sun gear 37 and drives the first sun gear 37 to rotate. The first sun gear 37 drives the first planetary gear 38 through the third gear pair 371. The first planetary gear 38 drives the first planet carrier 39. The first planet carrier 39 has a first internal spline 391, and the first internal spline 391 is exposed to the housing 10. In this embodiment, the first primary driven gear 31 drives the first secondary driving gear shaft 32 to rotate through the first key, the first secondary driven gear 33 drives the first tertiary driving gear shaft 34 to rotate through the second key, the first tertiary driven gear 35 drives the first spline shaft 36 to rotate through the third key, and the first spline shaft 36 drives the first sun gear 37 to rotate through the first spline. In addition, the first primary driven gear 31, the first secondary driving gear shaft 32, the first secondary driven gear 33, the first tertiary driving gear shaft 34 and the first tertiary driven gear 35 are all located in the reducer housing 11; the first planetary gear 38 is meshed and connected with the first inner gear ring 14.

[0048] The second planetary gear transmission mechanism 40 is arranged inside the other side of the housing 10, and the second planetary gear transmission mechanism 40 includes a second-stage driven gear 41, a second-stage driving gear shaft 42, a second-stage driven gear 43, a second-stage driving gear shaft 44, a second-stage driven gear 45, a second spline shaft 46, a second sun gear 47, a second planetary gear 48 and a second planet carrier 49; the second-stage driven gear 41 is meshed and connected with the motor gear 22 and driven to rotate by the motor gear 22, the second-stage driven gear 41 is fixed on the second-stage driving gear shaft 42 and drives the second-stage driving gear shaft 42 to rotate, and the second-stage driving gear shaft 42 drives the second-stage driven gear shaft 44 through the fourth gear pair 421. The driven gear rotates 43, the second-stage driven gear 43 is fixed on the second-stage driving gear shaft 44 and drives the second-stage driving gear shaft 44 to rotate, the second-stage driving gear shaft 44 drives the second-stage driven gear 45 to rotate through the fifth gear pair 441, the second-stage driven gear 45 is fixed on the second spline shaft 46 and drives the second spline shaft 46 to rotate, the second spline shaft 46 is fixedly connected to the second sun gear 47 and drives the second sun gear 47 to rotate, the second sun gear 47 drives the second planetary gear 48 through the sixth gear pair 471, the second planetary gear 48 drives the second planet carrier 49, the second planet carrier 49 has a second internal spline 491, and the second internal spline 491 is exposed to the casing 10. In this embodiment, the second primary driven gear 41 drives the second secondary driving gear shaft 42 to rotate through the fourth key, the second secondary driven gear 43 drives the second tertiary driving gear shaft 44 to rotate through the fifth key, the second tertiary driven gear 45 drives the second spline shaft 46 to rotate through the sixth key, and the second spline shaft 46 drives the second sun gear 47 to rotate through the second spline. In addition, the second primary driven gear 41, the second secondary driving gear shaft 42, the second secondary driven gear 43, the second tertiary driving gear shaft 44 and the second tertiary driven gear 45 are all located in the reducer housing 11; the second planetary gear 48 is meshed and connected with the second inner gear ring 17.

[0049] The working principle of this embodiment is described in detail as follows:

[0050] The utility model is divided into two driving routes, namely the first driving route and the second driving route, which are specifically as follows:

[0051] The first driving route: the motor 20 rotates forward, the rotor shaft 21 drives the motor gear 22, the motor gear 22 drives the idler gear 23, the idler gear 23 drives the first primary driven gear 31, the first primary driven gear 31 drives the first secondary driving gear shaft 32, the first secondary driving gear shaft 32 drives the first secondary driven gear 33, the first secondary driven gear 33 drives the first tertiary driving gear shaft 34, the first tertiary driving gear shaft 34 drives the first tertiary driven gear 35, the first tertiary driven gear 35 drives the first spline shaft 36, the first spline shaft 36 drives the first sun gear 37, the first sun gear 37 drives the first planetary gear 38, the first planetary gear 38 drives the first planetary carrier 39, and then the first internal spline 391 on the first planetary carrier 39 outputs forward rotation.

[0052] The second driving route: the motor 20 rotates forward, the rotor shaft 21 drives the motor gear 22, the motor gear 22 drives the second-level driven gear 41, the second-level driven gear 41 drives the second-level driving gear shaft 42, the second-level driving gear shaft 42 drives the second-level driven gear 43, the second-level driven gear 43 drives the second-level driving gear shaft 44, the second-level driving gear shaft 44 drives the second-level driven gear 45, the second-level driven gear 45 drives the second spline shaft 46, the second spline shaft 46 drives the second sun gear 47, the second sun gear 47 drives the second planetary gear 48, the second planetary gear 48 drives the second planetary carrier 49, and then the second internal spline 491 on the second planetary carrier 49 is used for reverse output.

[0053] The design focus of the utility model is: the mechanism is composed of a shell, a motor, a first planetary gear transmission mechanism and a second planetary gear transmission mechanism. It is an overall integrated one-piece design and does not require components such as couplings, pulleys, belts and protective covers. It has a simple structure, a small size, a light weight, and an integrated installation, which eliminates the installation of motors, pulleys, machine covers and couplings, and has low installation and maintenance costs. At the same time, it does not require pulleys and belts, thus avoiding the potential safety hazards and noise and slippage problems. In addition, the single motor drives the reducer synchronously, and the synchronization accuracy of the reducer output end is higher.

[0054] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A new type of mixing station motor reducer integrated drive structure, characterized by: It includes a housing, a motor, a first planetary gear transmission mechanism and a second planetary gear transmission mechanism; The motor is arranged on the casing, the rotor shaft of the motor extends into the casing, a motor gear is arranged on the rotor shaft, the motor gear is located in the casing, the motor gear is meshed and connected with an idler gear, the idler gear is located in the casing and is driven to rotate by the motor gear; The first planetary gear transmission mechanism is arranged inside one side of the casing, and the first planetary gear transmission mechanism includes a first primary driven gear, a first secondary driving gear shaft, a first secondary driven gear, a first tertiary driving gear shaft, a first tertiary driven gear, a first spline shaft, a first sun gear, a first planetary gear and a first planet carrier; the first primary driven gear is meshed and connected with the idler gear and driven to rotate by the idler gear, the first primary driven gear is fixed on the first secondary driving gear shaft and drives the first secondary driving gear shaft to rotate, and the first secondary driving gear shaft drives the first and second driving gear shafts through the first gear pair. The first and second driven gears rotate, the first and second driven gears are fixed on the first and third driving gear shafts and drive the first and third driving gear shafts to rotate, the first and third driving gear shafts drive the first and third driven gears to rotate through the second gear pair, the first and third driven gears are fixed on the first spline shaft and drive the first spline shaft to rotate, the first spline shaft is fixedly connected to the first sun gear and drives the first sun gear to rotate, the first sun gear drives the first planetary gear through the third gear pair, the first planetary gear drives the first planet carrier, the first planet carrier has a first internal spline, and the first internal spline is exposed to the casing; The second planetary gear transmission mechanism is arranged inside the other side of the casing, and the second planetary gear transmission mechanism includes a second-stage driven gear, a second-stage driving gear shaft, a second-stage driven gear, a second-stage driving gear shaft, a second-stage driven gear, a second-stage driven gear, a second-stage driven gear, a second-stage spline shaft, a second sun gear, a second planetary gear and a second planet carrier; the second-stage driven gear is meshed and connected with the motor gear and driven to rotate by the motor gear, the second-stage driven gear is fixed on the second-stage driving gear shaft and drives the second-stage driving gear shaft to rotate, and the second-stage driving gear shaft drives the second-stage driven gear shaft through the fourth gear pair. The second and second level driven gear rotates, the second and second level driven gear is fixed on the second and third level driving gear shaft and drives the second and third level driving gear shaft to rotate, the second and third level driving gear shaft drives the second and third level driven gear to rotate through the fifth gear pair, the second and third level driven gear is fixed on the second spline shaft and drives the second spline shaft to rotate, the second spline shaft is fixedly connected to the second sun gear and drives the second sun gear to rotate, the second sun gear drives the second planetary gear through the sixth gear pair, the second planetary gear drives the second planet carrier, the second planet carrier has a second internal spline, and the second internal spline is exposed to the casing.

2. A new type of mixing station motor reducer integrated drive structure as claimed in claim 1, characterized in that: The casing includes a reducer housing, a first middle housing, a first upper housing, a first inner gear ring, a second middle housing, a second upper housing and a second inner gear ring; the motor gear, an idler gear, a first primary driven gear, a first secondary driving gear shaft, a first secondary driven gear, a first tertiary driving gear shaft, a first tertiary driven gear, a second primary driven gear, a second tertiary driving gear shaft, a second tertiary driven gear, a second tertiary driving gear shaft and a second tertiary driven gear are all located in the reducer housing; the first upper housing, the first inner gear ring and the first middle housing are connected together by a first connecting bolt and a first nut, the first middle housing is connected to one side of the reducer housing by a first fixing bolt, and the first planetary gear is meshedly connected to the first inner gear ring; the second upper housing, the second inner gear ring and the second middle housing are connected together by a second connecting bolt and a second nut, the second middle housing is connected to the other side of the reducer housing by a second fixing bolt, and the second planetary gear is meshedly connected to the second inner gear ring.

3. A new type of mixing station motor reducer integrated drive structure as claimed in claim 2, characterized in that: The motor adopts a flat permanent magnet motor, which is fixed on the reducer housing.

4. A new type of mixing station motor reducer integrated drive structure as claimed in claim 2, characterized in that: The motor adopts a vortex fan to dissipate heat through a ventilation duct, and the vortex fan is fixed on the reducer housing.

5. A new type of mixing station motor reducer integrated drive structure as claimed in claim 1, characterized in that: The first-stage driven gear drives the first-stage second driving gear shaft to rotate via the first key, the first-stage second driven gear drives the first-stage third driving gear shaft to rotate via the second key, the first-stage third driven gear drives the first spline shaft to rotate via the third key, and the first spline shaft drives the first sun gear to rotate via the first spline.

6. A new type of mixing station motor reducer integrated drive structure as claimed in claim 1, characterized in that: The second-stage driven gear drives the second-stage driving gear shaft to rotate via the fourth key, the second-stage driven gear drives the second-stage driving gear shaft to rotate via the fifth key, the second-stage driven gear drives the second spline shaft to rotate via the sixth key, and the second spline shaft drives the second sun gear to rotate via the second spline.

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