CN216715128U - Speed reducer structure of mixer truck - Google Patents
Speed reducer structure of mixer truck Download PDFInfo
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- CN216715128U CN216715128U CN202123437073.1U CN202123437073U CN216715128U CN 216715128 U CN216715128 U CN 216715128U CN 202123437073 U CN202123437073 U CN 202123437073U CN 216715128 U CN216715128 U CN 216715128U
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- planet carrier
- speed reducer
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Abstract
The utility model belongs to the technical field of speed reducer equipment, and relates to a speed reducer structure of a mixer truck, which comprises a main shell, wherein a secondary inner gear ring is fixed in the main shell, a secondary planet carrier is arranged in the secondary inner gear ring in a floating manner, the inner gear ring of the secondary planet carrier is meshed with an arc-shaped tooth profile on the periphery of a spline wheel, the spline wheel is fixedly connected with an output flange, and the output flange is rotatably supported on the main shell through a self-aligning roller main bearing; the last rotation of second grade planet carrier sets up the second grade planet wheel, and second grade planetary gear is driven by the second grade sun gear, the meshing transmission of second grade sun gear and one-level planet carrier, the last rotation of one-level planet carrier sets up the one-level planet wheel, and the one-level planet wheel meshes with the one-level sun gear mutually, and the one-level sun gear rotates and sets up on the back casing. The speed reducer structure can meet the tooth side combination gap after deflection of the spline pair on the spline wheel, and can effectively solve the structural design problem of the speed reducer assembly after the speed reducer assembly is installed by adopting a non-standard aligning roller bearing.
Description
Technical Field
The utility model belongs to the technical field of speed reducer equipment, and relates to a speed reducer structure of a mixer truck.
Background
The mixing tank of the cement mixer truck is in an inclined state during installation, the output flange needs to float at an angle to adapt to the change of errors of the installation position of the mixing tank during use, the change is usually realized through a standard self-aligning roller bearing and a symmetrical arc spline wheel which are arranged on the output flange, and the output flange and the symmetrical arc spline wheel arranged on the output flange are connected and transmit torque through self-adaptive adjustment of the position of the self-aligning roller bearing.
Compared with a non-standard aligning roller bearing with the same specification, the standard aligning roller bearing has low bearing capacity, the standard aligning roller bearing and the non-standard aligning roller bearing cannot be directly replaced on a transmission structure, and the difference of rotation centers during self-adaptive adjustment of the non-standard aligning roller bearing needs to be considered.
Disclosure of Invention
Aiming at the problems, the utility model provides a speed reducer structure of a mixer truck, which can meet the requirement of a tooth side combination gap after a spline pair on a spline wheel is overturned, and can effectively solve the structural design problem of a speed reducer assembly installed by adopting a non-standard aligning roller bearing.
According to the technical scheme of the utility model: the utility model provides a trucd mixer speed reducer structure which characterized in that: the device comprises a main shell, wherein a secondary inner gear ring is fixed in the main shell, a secondary planet carrier is arranged in the secondary inner gear ring in a floating manner, the inner gear ring of the secondary planet carrier is jointed with an arc-shaped tooth form on the periphery of an arc spline wheel, the arc spline wheel is fixedly connected with an output flange, and the output flange is rotatably supported on the main shell through a self-aligning roller main bearing;
a secondary planet wheel is rotatably arranged on the secondary planet carrier, the secondary planet wheel is driven by a secondary sun wheel, the secondary sun wheel is in meshing transmission with a primary planet carrier, a primary planet wheel is rotatably arranged on the primary planet carrier, the primary planet wheel is meshed with the primary sun wheel, the primary sun wheel is rotatably arranged on a rear shell, a primary inner gear ring is arranged in the rear shell, the primary planet wheel is meshed with the primary inner gear ring, and the rear shell is fixedly connected with the main shell;
and the arc spline wheel is superposed with the turning center of the self-aligning roller main bearing.
As a further improvement of the utility model, the secondary planet wheel is rotatably supported on the secondary planet carrier through a second self-aligning roller bearing.
As a further improvement of the utility model, the primary planet wheel is rotatably supported on the primary planet carrier through a cylindrical roller bearing.
As a further improvement of the utility model, the arc spline wheel is locked and fixed on the output flange through a locking nut, and the spline grooves of the inner hole of the arc spline wheel are engaged with the tooth-shaped structure of the output flange.
As a further improvement of the utility model, the secondary sun gear is rotatably supported on the secondary planet carrier through a thrust tapered roller bearing.
As a further improvement of the utility model, the primary sun gear is rotatably supported on the rear shell through a deep groove ball bearing.
As a further improvement of the utility model, the overturning center of the arc spline wheel is deviated from the center of the tooth width.
As a further improvement of the utility model, the secondary planet carrier is provided with a mounting cavity, and the arc spline wheel is arranged in the mounting cavity of the secondary planet carrier in an engagement way.
The utility model has the technical effects that: the product of the utility model has simple, reasonable and ingenious structure, the axial dimension chain and the corresponding structure of the arc spline wheel, the shell and the whole transmission system do not need to be changed, the output flange, the arc spline wheel and the second-stage planet carrier blank are universal, the whole bearing capacity can be optimized only by adjusting the related processing dimension, the structure is simple, and the manufacturing period is short.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of an arc spline wheel.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In fig. 1 and 2, the planetary gear set comprises an output flange 1, a self-aligning roller main bearing 2, a main shell 3, a secondary annular gear 4, an arc spline wheel 5, a lock nut 6, a secondary planet carrier 7, a secondary planet wheel 8, a second self-aligning roller bearing 9, a tapered thrust roller bearing 10, a secondary sun wheel 11, a primary planet carrier 12, a primary planet wheel 13, a cylindrical roller bearing 14, a primary sun wheel 15, a deep groove ball bearing 16, a primary annular gear 17, a rear shell 18 and the like.
As shown in fig. 1, the present invention is a speed reducer structure of a mixer truck, including a main housing 3, a secondary ring gear 4 is fixed in the main housing 3, and the secondary ring gear 4 is limited in the main housing 3 by an elastic collar. The secondary planet carrier 7 is arranged in the secondary inner gear ring 4 in a floating mode, the secondary planet carrier 7 is provided with an installation cavity and is connected with the arc spline wheel 5 and arranged in the installation cavity of the secondary planet carrier 7, the inner gear ring of the secondary planet carrier 7 is meshed with the arc-shaped tooth profile on the periphery of the arc spline wheel 5, the arc spline wheel 5 is fixedly connected with the output flange 1, and the output flange 1 is rotatably supported on the main shell 3 through the aligning roller main bearing 2.
Rotate on the second grade planet carrier 7 and set up second grade planet wheel 8, second grade planet wheel 8 rotates through second self-aligning roller bearing 9 and supports on second grade planet carrier 7, and in order to realize second self-aligning roller bearing 9's axial positioning, the axial both ends that are used for installing second self-aligning roller bearing 9 on the second grade planet carrier 8 set up the elasticity rand respectively to carry out axial positioning to second self-aligning roller bearing 9. Secondary planet gear 8 is driven by secondary sun gear 11, and secondary sun gear 11 rotates through thrust tapered roller bearing 10 and supports on secondary planet carrier 7, secondary sun gear 11 and the meshing transmission of one-level planet carrier 12, it sets up one-level planet wheel 13 to rotate on one-level planet carrier 12, and one-level planet wheel 13 rotates through cylindrical roller bearing 14 and supports on one-level planet carrier 12, in order to realize spacing to 14 axial both ends of cylindrical roller bearing, sets up the elasticity rand respectively at the back shaft both ends that are used for installing cylindrical roller bearing 14 of one-level planet carrier 12, and the elasticity rand is used for realizing spacing to cylindrical roller bearing 14's axial.
The primary planet wheel 13 is meshed with a primary sun wheel 15, a gasket is arranged between the primary sun wheel 15 and the primary planet carrier 12, the primary sun wheel 15 is rotatably supported on a rear shell 18 through a deep groove ball bearing 16, a primary inner gear ring 17 is mounted in the rear shell 18, the primary inner gear ring 17 is axially limited and fixed in the rear shell 18 through a clamping ring, the primary planet wheel 13 is meshed with the primary inner gear ring 17, and the rear shell 18 is fixedly connected with the main shell 3; the arc spline wheel 5 is superposed with the turning center of the self-aligning roller main bearing 2.
As shown in fig. 2, in order to realize that when the aligning roller main bearing 2 adopts a non-standard aligning roller bearing, it can be ensured that the turning center of the arc spline wheel 5 coincides with the turning center of the aligning roller main bearing 2, the turning center of the arc spline wheel 5 deviates from the tooth width center, the offset of the arc spline wheel 5 is e, and the radius corresponding to the arc shape of the top surface of the arc spline wheel 5 is R. The sizes of e and R in a particular application are specifically chosen according to the particular product.
The arc spline wheel 5 is locked and fixed on the output flange 1 through the locking nut 6, the locking nut 6 is screwed with the external thread of the shaft end of the output flange 1, and the spline groove of the inner hole of the arc spline wheel 5 is jointed with the tooth-shaped structure of the output flange 1.
As shown in fig. 1 and 2, the utility model discloses at the during operation, after one-level sun gear 15 input power, with the vice meshing of the planetary gear who constitutes of one-level planet wheel 13 and one-level ring gear 17, export to second grade sun gear 11 through one-level planet carrier 12, and with the vice meshing of the second grade planetary gear who constitutes of second grade planet wheel 8 and second grade ring gear 4, export to second grade planet carrier 7, through the combination of the internal spline of second grade planet carrier 7 and arc spline wheel 5, and on the internal spline output to output flange 1 on the arc spline wheel 5, provide the power that work needs. The self-aligning roller main bearing 2 arranged on the output flange 1 can be self-adaptively adjusted to a required angle according to the actual deviation of the assembly, so that the output flange 1 and the arc spline wheel 5 arranged on the output flange are driven to rotate by a corresponding angle, and the installation requirement is met. Through the structural design of arc spline wheel 5 for when adopting non-standard aligning roller bearing to the speed reducer assembly, can satisfy the optimum and switch the demand.
Claims (8)
1. The utility model provides a trucd mixer speed reducer structure which characterized in that: the device comprises a main shell (3), wherein a secondary inner gear ring (4) is fixed in the main shell (3), a secondary planet carrier (7) is arranged in the secondary inner gear ring (4) in a floating manner, the inner gear ring of the secondary planet carrier (7) is meshed with an arc-shaped tooth form on the periphery of an arc-shaped spline wheel (5), the arc-shaped spline wheel (5) is fixedly connected with an output flange (1), and the output flange (1) is rotatably supported on the main shell (3) through a self-aligning roller main bearing (2);
the secondary planet carrier (7) is rotatably provided with a secondary planet wheel (8), the secondary planet wheel (8) is driven by a secondary sun wheel (11), the secondary sun wheel (11) is in meshing transmission with a primary planet carrier (12), the primary planet carrier (12) is rotatably provided with a primary planet wheel (13), the primary planet wheel (13) is meshed with a primary sun wheel (15), the primary sun wheel (15) is rotatably arranged on a rear shell (18), a primary inner gear ring (17) is arranged in the rear shell (18), the primary planet wheel (13) is meshed with the primary inner gear ring (17), and the rear shell (18) is fixedly connected with the main shell (3);
the arc spline wheel (5) is overlapped with the turning center of the self-aligning roller main bearing (2).
2. The mixer truck speed reducer structure according to claim 1, wherein: and the secondary planet wheel (8) is rotatably supported on the secondary planet carrier (7) through a second self-aligning roller bearing (9).
3. The mixer truck speed reducer structure according to claim 1, wherein: the primary planet gear (13) is rotatably supported on the primary planet carrier (12) through a cylindrical roller bearing (14).
4. The mixer truck speed reducer structure according to claim 1, wherein: the arc spline wheel (5) is locked and fixed on the output flange (1) through a locking nut (6), and the spline grooves of the inner hole of the arc spline wheel (5) are jointed with the tooth-shaped structure of the output flange (1).
5. The mixer truck speed reducer structure according to claim 1, wherein: the secondary sun gear (11) is rotatably supported on the secondary planet carrier (7) through a thrust tapered roller bearing (10).
6. The mixer truck speed reducer structure according to claim 1, wherein: the primary sun gear (15) is rotatably supported on the rear shell (18) through a deep groove ball bearing (16).
7. The mixer truck speed reducer structure according to claim 1, wherein: the overturning center of the arc spline wheel (5) deviates from the tooth width center.
8. The mixer truck speed reducer structure according to claim 1, wherein: the secondary planet carrier (7) is provided with a mounting cavity, and the arc spline wheel (5) is jointed and arranged in the mounting cavity of the secondary planet carrier (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123437073.1U CN216715128U (en) | 2021-12-31 | 2021-12-31 | Speed reducer structure of mixer truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123437073.1U CN216715128U (en) | 2021-12-31 | 2021-12-31 | Speed reducer structure of mixer truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715128U true CN216715128U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123437073.1U Active CN216715128U (en) | 2021-12-31 | 2021-12-31 | Speed reducer structure of mixer truck |
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| CN (1) | CN216715128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116968184A (en) * | 2023-07-19 | 2023-10-31 | 无锡威孚中意齿轮有限责任公司 | Intelligent control method and system for electric drive mixer truck speed reducer |
-
2021
- 2021-12-31 CN CN202123437073.1U patent/CN216715128U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116968184A (en) * | 2023-07-19 | 2023-10-31 | 无锡威孚中意齿轮有限责任公司 | Intelligent control method and system for electric drive mixer truck speed reducer |
| CN116968184B (en) * | 2023-07-19 | 2024-01-23 | 无锡威孚中意齿轮有限责任公司 | Intelligent control method and system for electric drive mixer truck speed reducer |
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