CN214404541U - Large-volume speed reducer for planetary stirrer - Google Patents
Large-volume speed reducer for planetary stirrer Download PDFInfo
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- CN214404541U CN214404541U CN202120328781.2U CN202120328781U CN214404541U CN 214404541 U CN214404541 U CN 214404541U CN 202120328781 U CN202120328781 U CN 202120328781U CN 214404541 U CN214404541 U CN 214404541U
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Abstract
The utility model discloses a planetary for mixer speed reducer of big square metre, including last reducing gear box and lower reducing gear box, wherein contain two-stage reduction gears in the last reducing gear box, contain one-level reduction gears and one-level acceleration mechanism in the lower reducing gear box, every three last reducing gear box of reducing gear box collocation uses down, realizes that three motors input simultaneously, triaxial output, and the reducing gear box casing drives the (mixing) shaft and revolves around stirred vessel down, and the stirring arm is respectively around the output shaft rotation of connecting separately again simultaneously, and is efficient, and the transmission is steady, and transmission torque is big. A planetary speed reducer for mixer of big square, its is rational in infrastructure, it is big to have convenient to use, output torque, and advantages such as stable, rigidity are good effectively solve at present most reducing gear boxes and can not reach the operation requirement's of big square of mixer, high efficiency, high stability, big moment of torsion, low maintenance problem.
Description
Technical Field
The utility model belongs to the technical field of the reduction gear and specifically relates to a planetary for mixer speed reducer of big square volume.
Background
In the prior art, a planetary mixer belongs to a forced mixer, is suitable for various large, medium and small prefabricated part factories and industrial and civil building engineering such as highways, bridges, water conservancy, wharfs and the like, can be used for mixing dry and hard concrete, plastic concrete, flowable concrete, lightweight aggregate concrete and various mortars, and is a high-efficiency mixer.
The speed reducing motor for the planetary mixer drives the mixing arm to rotate along one direction through the mixing arm connecting frame, and the shovel blade on the mixing arm mixes the materials, so that the materials are fully mixed, and a more ideal mixing effect is obtained. However, most reduction boxes do not meet the use requirements of a blender on large volume, high efficiency, high stability, large torque and low maintenance.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the problems, the speed reducer for the large-volume planetary mixer is reasonable in structure, has the advantages of being convenient to use, large in output torque, stable, good in rigidity and the like, and effectively solves the problem that most reduction gearboxes cannot meet the use requirements of large-volume, high-efficiency, high-stability, large-torque and low-maintenance of mixers at present.
The utility model provides a technical scheme that its technical problem adopted is: a speed reducer for a large-volume planetary mixer comprises an upper speed reducer and a lower speed reducer, wherein the upper speed reducer comprises a first upper shell, a first middle shell, a first lower shell, an input shaft, a first shaft, a second shaft, a first gear and a second gear; the first upper shell is provided with a U-shaped structure with an upward opening, the first middle shell is a sleeve structure with openings at the upper and lower ends, the first lower shell is a plate-shaped structure with a bearing seat, the bottom of the first upper shell is fixedly connected with the opening at the upper end of the first middle shell through a bolt, and the first lower shell is fixedly connected with the opening at the lower end of the first middle shell through a bolt;
the input shaft, the first shaft and the second shaft are all vertically arranged, and the lower ends of the input shaft, the first shaft and the second shaft are all provided with integrated gears; the upper end of the input shaft is provided with a sleeve structure, and the middle part of the input shaft is rotationally connected with the first upper shell through a bearing; the middle part of the first shaft is rotationally connected with the first middle shell through a bearing, the upper end of the first shaft is in transmission connection with a first gear through a first flat key, and the first gear is in transmission connection with a gear at the lower end of the input shaft to form a primary speed reducing mechanism;
the upper end and the lower end of the second shaft are respectively in rotating connection with a bearing seat on the first middle shell and the first lower shell through bearings, the middle part of the second shaft is in transmission connection with a second gear through a second flat key, and the second gear is in transmission connection with a gear at the lower end of the first shaft to form a secondary speed reducing mechanism;
the lower reduction gearbox comprises a second upper shell, a rotary support bearing, a second middle shell and a second lower shell which are sequentially arranged from top to bottom, the second upper shell is fixedly connected with an outer ring of the rotary support bearing through a bolt, and an inner ring of the rotary support bearing is fixedly connected with the second middle shell through a bolt; the second upper shell is detachably connected with the first lower shell through a bolt, the lower end of the second shaft penetrates through the second upper shell to be in meshing transmission with an internal tooth-shaped structure arranged on an inner ring of the rotary support bearing, and the second middle shell and the second lower shell are driven to rotate to form a three-stage speed reducing mechanism for increasing torque and reducing speed;
the lower end face of the second upper shell is fixedly provided with a sun gear, the sun gear is in transmission connection with a planet gear arranged on an output shaft and used for increasing speed and reducing torque, two ends of the output shaft are in rotary connection with the second middle shell and the second lower shell through bearings respectively, and the lower end of the output shaft is connected with a stirring arm connecting frame.
Furthermore, the first upper shell is fixedly connected with the motor, transmission teeth are arranged on the inner side wall of the sleeve structure at the upper end of the input shaft, and the motor is in meshing transmission with the sleeve structure at the upper end of the input shaft through a motor spline shaft.
Furthermore, the lower reduction gearbox is provided with three upper reduction gearboxes with the same specification, and the upper reduction gearboxes are uniformly arranged on the lower reduction gearbox and are mutually connected in a transmission manner.
Furthermore, an end face oil seal is arranged between the inner ring of the rotary supporting bearing and the second upper shell, and a felt oil baffle ring is arranged between the inner ring and the outer ring of the rotary supporting bearing, so that the problem of poor sealing performance of the bearing is solved, and the oil leakage phenomenon is effectively prevented.
Furthermore, the upper ends of the first shaft and the second shaft are respectively in threaded connection with two nuts, and the two nuts are locked with each other to limit the shaft.
Furthermore, the sun wheel comprises a connecting sleeve, the upper end of the connecting sleeve is fixed with the lower end of the second upper shell, a gear ring is fixedly arranged at the lower end of the connecting sleeve, and the gear ring is in transmission connection with the planet wheel.
Furthermore, a plurality of triangular reinforcing plates are uniformly fixed in the inner cavity of the connecting sleeve, and the reinforcing plates are fixedly connected with the second upper shell and the connecting sleeve.
Furthermore, a supporting sleeve is further sleeved in the inner cavity of the connecting sleeve, the upper end of the supporting sleeve is fixedly connected with the lower end face of the second upper shell, the lower end of the supporting sleeve is slidably connected with the upper end face of the second lower shell, and the supporting sleeve is used for supporting the inner cavity of the lower reduction gearbox shell.
The utility model has the advantages that: a large-volume planetary mixer speed reducer comprises an upper speed reducer and a lower speed reducer, wherein the upper speed reducer contains two-stage speed reducing mechanisms, the lower speed reducer contains a one-stage speed reducing mechanism and a one-stage accelerating mechanism, each lower speed reducer is matched with three upper speed reducers for use, the three upper speed reducers are uniformly distributed on the lower speed reducer and are in transmission connection with the lower speed reducer, each upper speed reducer is matched with a motor with the same specification to realize the simultaneous input of three motors, three output shafts are arranged in the lower speed reducer corresponding to the three upper speed reducers, each output shaft is connected with a stirring arm, namely three-shaft output, when the three motors are started, the lower speed reducer shell drives a stirring shaft to revolve around a stirring container, and the stirring arms respectively rotate around the output shafts respectively connected with the stirring arms, thereby achieving the purpose of improving the stirring efficiency, the transmission is stable, the transmission torque is large, and the input end is connected with a motor spline shaft 1, the structural strength is improved by 12 times compared with that of a plain key, the assembly is easy, a rotary support bearing is adopted to connect the upper part and the lower part, and the strength is improved by 5 times compared with that of the original single tapered roller bearing; the speed reduction box has the advantages of reasonable structure, convenience in use, large output torque, stability, good rigidity and the like, and effectively solves the problem that most of the speed reduction boxes cannot meet the use requirements of large square amount, high efficiency, high stability, large torque and low maintenance of the stirring machine.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of a large-volume speed reducer for a planetary mixer.
The scores in the figures are as follows:
1. the motor spline shaft, 2, an input shaft, 3, a first gear, 4, a first flat key, 5, a first shaft, 6, a second gear, 7, a second flat key, 8, a second shaft, 9, a rotary support bearing, 10, an end face oil seal, 11, a felt oil baffle ring, 12, a sun gear, 13, a planet gear, 14, an output shaft, 15, a motor, 16, a first upper shell, 17, a first middle shell, 18, a first lower shell, 19, a support sleeve, 20, a connecting sleeve, 21, a reinforcing plate, 22, a gear ring, 23, a second upper shell, 24, a second middle shell, 25, a second lower shell, 26 and a stirring arm connecting frame.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The reducer for the large-volume planetary mixer shown in fig. 1 comprises an upper reducer and a lower reducer, wherein the upper reducer comprises a first upper shell 16, a first middle shell 17, a first lower shell 18, an input shaft 2, a first shaft 5, a second shaft 8, a first gear 3 and a second gear 6.
The first upper shell 16 is provided with an upward-opening U-shaped structure, the first middle shell 17 is of a sleeve structure with openings at the upper end and the lower end, an integral partition plate is arranged in the inner cavity of the first middle shell 17 and used for increasing the strength of the shell and supporting when parts are installed, the first lower shell 18 is of a plate-shaped structure with a bearing seat, the bottom of the first upper shell 16 is fixedly connected with the upper end opening of the first middle shell 17 through bolts, the first lower shell 18 is fixedly connected with the lower end opening of the first middle shell 17 through bolts, and the bearing seat on the first lower shell 18 faces the inner cavity of the first middle shell 17, so that the whole bottom of the upper reduction gearbox is a plane.
The input shaft 2, the first shaft 5 and the second shaft 8 are all vertically arranged, and the lower ends of the input shaft 2, the first shaft 5 and the second shaft 8 are all provided with integrated gears, namely the input shaft 2, the first shaft 5 and the second shaft 8 are all gear shafts; the upper end of the input shaft 2 is provided with a sleeve structure and is used for being connected with an output shaft of a motor 15 for transmission, and the middle part of the input shaft 2 is rotationally connected with a bottom plate of a first upper shell 16 through a bearing; the middle part of the first shaft 5 is rotationally connected with a partition plate in the inner cavity of the first middle shell 17 through two bearings, the upper end of the first shaft 5 is in transmission connection with the first gear 3 through the first flat key 4, and the first gear 3 is in transmission connection with the lower end gear of the input shaft 2 to form a primary speed reducing mechanism.
The upper end and the lower end of the second shaft 8 are respectively connected with a partition board in the inner cavity of the first middle shell 17 and a bearing seat on the first lower shell 18 through bearings in a rotating mode, the middle of the second shaft 8 is in transmission connection with the second gear 6 through the second flat key 7, the second gear 6 is in transmission connection with the lower end gear of the first shaft 5 to form a second-stage speed reducing mechanism, and the lower end of the second shaft 8 vertically penetrates out of the first lower shell downwards.
The lower reduction gearbox comprises a second upper shell 23, a rotary support bearing 9, a second middle shell 24 and a second lower shell 25 which are sequentially arranged from top to bottom, the second upper shell 23 is fixedly connected with the outer ring of the rotary support bearing 9 through a bolt, and the inner ring of the rotary support bearing 9 is fixedly connected with the second middle shell 24 through a bolt; the second upper shell 23 and the first lower shell 18 are detachably connected through bolts, the lower end of the second shaft 8 penetrates through the second upper shell 23 to be meshed with an internal tooth-shaped structure arranged on an inner ring of the rotary supporting bearing 9 for transmission, and the second upper shell 24 and the second lower shell 25 are driven to rotate to form a three-level speed reducing mechanism for increasing torque and reducing speed.
The lower end face of the second upper shell 23 is fixedly provided with a sun gear 12, the sun gear 12 is in transmission connection with a planet gear 13 arranged on an output shaft 14 and used for increasing speed and reducing torque, two ends of the output shaft 14 are respectively in rotary connection with a second middle shell 24 and a second lower shell 25 through bearings, and the lower end of the output shaft 14 is connected with a stirring arm connecting frame 26.
First upper housing 16 and motor 15 fixed connection, be equipped with the driving gear on the inside wall of the sleeve structure of 2 upper ends of input shaft, motor 15 passes through motor spline shaft 1 and the sleeve structure meshing transmission of 2 upper ends of input shaft, input power.
The lower reduction gearbox is provided with three upper reduction gearboxes with the same specification, the upper reduction gearboxes are evenly arranged on the lower reduction gearbox, namely, the centers of circles of the rotary supporting bearings 9 are used as centers, the included angles between the circles are 120 degrees, the second shafts 8 of the three upper reduction gearboxes penetrate through the second upper shell 23 and are connected with the rotary supporting bearings 9 in an internal transfer transmission mode, the three upper reduction gearboxes are matched with motors 15 with the same specification, the three motors 15 are output at the same speed in the same direction, and therefore the rotation of the three second shafts 8 cannot interfere with each other.
Three output shafts 14 are arranged on the lower reduction gearbox corresponding to the three upper reduction gearboxes, and each output shaft 14 is provided with a planet wheel 13 which is in transmission connection with the sun wheel 12.
In the attached figure 1, only one connecting structure of one output shaft in the upper reduction gearbox and the lower reduction gearbox is shown, and technicians can obtain the structures of the other two output shafts and the corresponding upper reduction gearbox according to the connecting structure.
An end face oil seal 10 is arranged between the inner ring of the rotary supporting bearing 9 and the second upper shell 23, and a felt oil baffle ring 11 is arranged between the inner ring and the outer ring of the rotary supporting bearing 9, so that the problem of poor sealing performance of the bearing is solved, and the oil leakage phenomenon is effectively prevented.
The upper ends of the first shaft 5 and the second shaft 8 are respectively in threaded connection with two nuts, and the two nuts are locked with each other to play a role in limiting the shaft.
The sun gear 12 comprises a connecting sleeve 20, the upper end of the connecting sleeve 20 is fixed with the lower end of a second upper shell 23, the lower end of the connecting sleeve 20 is fixedly provided with a gear ring 22, and the gear ring 22 is in transmission connection with the planet gear 13.
A plurality of triangular reinforcing plates 21 are uniformly fixed in the inner cavity of the connecting sleeve 20, and the reinforcing plates 21 are fixedly connected with the second upper shell 23 and the connecting sleeve 20.
A supporting sleeve 19 is further sleeved in the inner cavity of the connecting sleeve 20, the upper end of the supporting sleeve 19 is fixedly connected with the lower end face of the second upper shell 23, the lower end of the supporting sleeve 19 is slidably connected with the upper end face of the second lower shell 25, and the supporting sleeve 19 is used for supporting the inner cavity of the lower reduction gearbox shell.
In another possible embodiment, the first shaft 5, the second shaft 8, and the output shaft 14 are connected to each other by means of gear engagement, that is, the shaft surface and the gear inner ring are respectively provided with a tooth-shaped structure which is matched with each other, so that the connection strength is increased by means of the engagement.
The utility model relates to a large-volume planetary mixer speed reducer, which has reasonable structure and comprises an upper speed reduction box and a lower speed reduction box, wherein the upper speed reduction box contains a two-stage speed reduction mechanism, the lower speed reduction box contains a one-stage speed reduction mechanism and a one-stage acceleration mechanism, each lower speed reduction box is matched with three upper speed reduction boxes for use, the three upper speed reduction boxes are uniformly distributed on the lower speed reduction box and are in transmission connection with the lower speed reduction box, each upper speed reduction box is matched with a motor with the same specification, three motors are simultaneously input, three output shafts are arranged in the lower speed reduction box corresponding to the three upper speed reduction boxes, each output shaft is connected with a stirring arm, namely three-shaft output, when the three motors are started, the lower speed reduction box shell drives the stirring shaft to revolve around a stirring container, and the stirring arms respectively rotate around the output shafts respectively connected with each other, thereby achieving the purpose of improving the stirring efficiency, the transmission is stable, the transmission torque is large, the input end is connected with a motor spline shaft, the structural strength is improved by 12 times compared with that of a flat key, the assembly is easy, a rotary support bearing is adopted to connect the upper part and the lower part, and the strength is improved by 5 times compared with that of the original single tapered roller bearing; the speed reduction box has the advantages of reasonable structure, convenience in use, large output torque, stability, good rigidity and the like, and effectively solves the problem that most of the speed reduction boxes cannot meet the use requirements of large square amount, high efficiency, high stability, large torque and low maintenance of the stirring machine.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a big planetary mixer of volume is with speed reducer which characterized by: the gearbox comprises an upper gearbox and a lower gearbox, wherein the upper gearbox comprises a first upper shell (16), a first middle shell (17), a first lower shell (18), an input shaft (2), a first shaft (5), a second shaft (8), a first gear (3) and a second gear (6); the first upper shell (16) is of a U-shaped structure with an upward opening, the upper end and the lower end of the first middle shell (17) are both provided with an open sleeve structure, the first lower shell (18) is of a plate-shaped structure with a bearing seat, the bottom of the first upper shell (16) is fixedly connected with the opening at the upper end of the first middle shell (17) through bolts, and the first lower shell (18) is fixedly connected with the opening at the lower end of the first middle shell (17) through bolts;
the input shaft (2), the first shaft (5) and the second shaft (8) are all vertically arranged, and the lower ends of the input shaft (2), the first shaft (5) and the second shaft (8) are all provided with integrated gears; the upper end of the input shaft (2) is provided with a sleeve structure, and the middle part of the input shaft (2) is rotationally connected with the first upper shell (16) through a bearing; the middle part of the first shaft (5) is rotationally connected with a first middle shell (17) through a bearing, the upper end of the first shaft (5) is in transmission connection with a first gear (3) through a first flat key (4), and the first gear (3) is in transmission connection with a gear at the lower end of the input shaft (2) to form a primary speed reducing mechanism;
the upper end and the lower end of the second shaft (8) are respectively in rotating connection with bearing seats on a first middle shell (17) and a first lower shell (18) through bearings, the middle part of the second shaft (8) is in transmission connection with a second gear (6) through a second flat key (7), and the second gear (6) is in transmission connection with a lower end gear of the first shaft (5) to form a two-stage speed reducing mechanism;
the lower reduction gearbox comprises a second upper shell (23), a rotary support bearing (9), a second middle shell (24) and a second lower shell (25) which are sequentially arranged from top to bottom, the second upper shell (23) is fixedly connected with the outer ring of the rotary support bearing (9) through bolts, and the inner ring of the rotary support bearing (9) is fixedly connected with the second middle shell (24) through bolts; the second upper shell (23) is detachably connected with the first lower shell (18) through a bolt, the lower end of the second shaft (8) penetrates through the second upper shell (23) to be in meshed transmission with an internal tooth-shaped structure arranged on an inner ring of the rotary support bearing (9) to drive the second middle shell (24) and the second lower shell (25) to rotate, and a three-stage speed reducing mechanism is formed and used for increasing torque and reducing speed;
the lower end face of the second upper shell (23) is fixedly provided with a sun wheel (12), the sun wheel (12) is in transmission connection with a planet wheel (13) arranged on an output shaft (14) and used for increasing speed and reducing torque, two ends of the output shaft (14) are respectively in rotating connection with a second middle shell (24) and a second lower shell (25) through bearings, and the lower end of the output shaft (14) is connected with a stirring arm connecting frame (26).
2. The reducer for large-volume planetary mixers as claimed in claim 1, wherein: first upper housing (16) and motor (15) fixed connection, be equipped with the driving cog on the inside wall of input shaft (2) upper end sleeve structure, motor (15) are through motor spline shaft (1) and the sleeve structure meshing transmission of input shaft (2) upper end.
3. The reducer for large-volume planetary mixers as claimed in claim 1, wherein: the lower reduction gearbox is provided with three upper reduction gearboxes with the same specification, and the upper reduction gearboxes are uniformly arranged on the lower reduction gearbox and are mutually connected in a transmission manner.
4. The reducer for large-volume planetary mixers as claimed in claim 1, wherein: an end face oil seal (10) is arranged between the inner ring of the rotary supporting bearing (9) and the second upper shell (23), and a felt oil baffle ring (11) is arranged between the inner ring and the outer ring of the rotary supporting bearing (9) so as to solve the problem of poor sealing performance of the bearing and effectively prevent oil leakage.
5. The reducer for large-volume planetary mixers as claimed in claim 1, wherein: the upper ends of the first shaft (5) and the second shaft (8) are respectively in threaded connection with two nuts, and the two nuts are locked with each other to play a role in limiting the shaft.
6. The reducer for large-volume planetary mixers as claimed in claim 1, wherein: the sun gear (12) comprises a connecting sleeve (20), the upper end of the connecting sleeve (20) is fixed with the lower end of the second upper shell (23), a gear ring (22) is fixedly arranged at the lower end of the connecting sleeve (20), and the gear ring (22) is in transmission connection with the planet gear (13).
7. The reducer for large-volume planetary mixers as claimed in claim 6, wherein: a plurality of triangular reinforcing plates (21) are uniformly fixed in the inner cavity of the connecting sleeve (20), and the reinforcing plates (21) are fixedly connected with the second upper shell (23) and the connecting sleeve (20).
8. The reducer for large-volume planetary mixers as claimed in claim 6, wherein: the inner cavity of the connecting sleeve (20) is further sleeved with a supporting sleeve (19), the upper end of the supporting sleeve (19) is fixedly connected with the lower end face of the second upper shell (23), the lower end of the supporting sleeve (19) is in sliding connection with the upper end face of the second lower shell (25), and the supporting sleeve (19) is used for supporting the inner cavity of the lower reduction gearbox shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120328781.2U CN214404541U (en) | 2021-02-04 | 2021-02-04 | Large-volume speed reducer for planetary stirrer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120328781.2U CN214404541U (en) | 2021-02-04 | 2021-02-04 | Large-volume speed reducer for planetary stirrer |
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| Publication Number | Publication Date |
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| CN214404541U true CN214404541U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120328781.2U Active CN214404541U (en) | 2021-02-04 | 2021-02-04 | Large-volume speed reducer for planetary stirrer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654077A (en) * | 2022-12-26 | 2023-01-31 | 江苏恒减传动设备有限公司 | Stirring speed reducer capable of uniformly mixing materials |
-
2021
- 2021-02-04 CN CN202120328781.2U patent/CN214404541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115654077A (en) * | 2022-12-26 | 2023-01-31 | 江苏恒减传动设备有限公司 | Stirring speed reducer capable of uniformly mixing materials |
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