CN208831605U - A kind of concrete mixer truck driving speed reducer - Google Patents
A kind of concrete mixer truck driving speed reducer Download PDFInfo
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- CN208831605U CN208831605U CN201821523884.9U CN201821523884U CN208831605U CN 208831605 U CN208831605 U CN 208831605U CN 201821523884 U CN201821523884 U CN 201821523884U CN 208831605 U CN208831605 U CN 208831605U
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Abstract
The utility model discloses a kind of concrete mixer truck driving speed reducers, including input shaft, gear ring shell, supporing shell, output shaft, connecting chainring, the gear ring enclosure interior is provided with level-one ring gear and second level ring gear, gear ring shell is connect by fastener with supporing shell, the input shaft is rotatably set in the centre bore of gear ring shell, its front end is provided with the first spline, rear end is formed with the first sun gear, first planetary gear is installed in first planet carrier, with level-one ring gear and the first sun gear gear engaged transmission, second sun gear is connect with first planet carrier spline, the utility model has the beneficial effects that using three-stage planetary speed reducer, speed ratio can be adjusted as needed, compact overall structure, reduction ratio is big；The defects of avoiding output flange from being broken, the service life of prolonged deceleration machine, it is not necessary that in the power device for individually setting up watering, the integrated level of equipment is high, reduces the cost of equipment, is easy to use.
Description
Technical field
The utility model belongs to technical field of concrete mixers, and in particular to a kind of concrete mixer truck driving deceleration
Machine.
Background technique
Speed reducer is a kind of drive apparatus, and using components such as gears, the rotation of input shaft high revolving speed, small torque is converted to
The output shaft slow-speed of revolution, the rotation of large torque.In the mechanism currently used for transmitting power and movement, the application range phase of speed reducer
When extensive, almost can be all applied in the transmission system of various machinery, wherein the more common wheel decelerator of planetary gear speed reducer
Have many advantages, such as that small in size, light-weight, high-efficient and transmitting power bracket is big, is more and more widely used.
For the driving speed reducer of concrete mixer truck, during the work time, output flange is coupled needs with mixing drum
Overcome the error of installation and manufacturing process, certain aligning that output flange needs, and output torque is big, there are certain axial directions
Power.Therefore, the defects of the course of work causes axial jump, oil leak, noise, output flange fracture, speed reducer is reduced
Service life, in use process, mixed mud transport needs a period of time, and mixed mud solidifies in order to prevent, sprinkles water, single
It is at high cost and unreliable solely to increase watering device.
Utility model content
Cause axial jump, sealing leakage in the course of work for the driving speed reducer of concrete mixer truck in the prior art
The defects of oil, noise, output flange fracture, reduces the service life of speed reducer, individually increases watering device problem at high cost,
Provide a kind of concrete mixer truck driving speed reducer.
A kind of concrete mixer truck driving speed reducer, including input shaft, gear ring shell, supporing shell, output shaft, connection
Fluted disc,
The gear ring enclosure interior is provided with level-one ring gear and second level ring gear, and gear ring shell passes through fastener and support
Shell connection, the input shaft are rotatably set in the centre bore of gear ring shell, and front end is provided with the first spline, after
End is formed with the first sun gear, and the first planetary gear is installed in first planet carrier, with level-one ring gear and the first sun gear gear
Engaged transmission, the second sun gear connect with first planet carrier spline, and the second planetary gear is installed on the second planet carrier, and with second
Sun gear and second level ring gear gear engaged transmission have been provided with three-level ring gear, third sun gear and second in supporing shell
The connection of planet carrier spline, the third line star-wheel is installed in third planet carrier, and is nibbled with third sun gear and three-level ring gear gear
Transmission is closed, the intermediate inner hole of connecting chainring, which goes out, is machined with the second spline, and outer wall is machined with the second spline, adds in third planet carrier
Work has third spline compatible with the second spline, and the connecting chainring is set on output shaft, and is connected by spline, passes through
Fastening nut axial restraint, output shaft are protruded into inside supporing shell by the centre bore of supporing shell, output shaft and supporing shell
Between be provided with biserial roller bearing, be provided with sealing ring between the output end and supporing shell of output shaft.
Preferably, the level-one ring gear, second level ring gear and three-level ring gear be independent split type structure, respectively with tooth
Circle shell and supporing shell are detachably connected, and connection type is key connection.
Preferably, second sun gear front is machined with the 4th spline, and rear portion processes the gear teeth, passes through the 4th spline and the
Spline key connection on one planet carrier.Similarly, third sun gear also uses this structure type.
On the basis of above scheme, concrete mixer truck driving speed reducer, further includes transmission gear and water pump
It is formed with the first pinion gear in the middle part of input shaft described in drive shaft, transmission gear, water pump drive shaft are rotatably set to gear ring shell
In vivo, water pump drive shaft is formed with the second pinion gear, and tooth is done in first pinion gear and transmission gear engaged transmission, the transmission
Wheel and the second pinion gear engaged transmission.
The utility model has the beneficial effects that
Using three-stage planetary speed reducer, speed ratio can be adjusted as needed, compact overall structure, and reduction ratio is big；It is whole
Cast structure supporing shell reduces production cost, using debugging double-row roller bearing, can bear certain axial load, absorb
The defects of course of work causes axial jump, and output flange is avoided to be broken, the service life of prolonged deceleration machine, without individually setting
The integrated level of the power device of vertical watering, equipment is high, reduces the cost of equipment, is easy to use.
Detailed description of the invention
Fig. 1 is the structure principle chart of an embodiment of the present invention entirety；
Fig. 2 is the input shaft structure schematic diagram of an embodiment of the present invention；
Fig. 3 is the sun gear structure principle chart of an embodiment of the present invention；
Fig. 4 is the connecting chainring structure principle chart of an embodiment of the present invention；
Fig. 5 is the third planet carrier structure principle chart of an embodiment of the present invention.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical solution of the utility model is described further.
A kind of concrete mixer truck driving speed reducer, including input shaft 1, gear ring shell 2, supporing shell 3, output shaft 4,
Connecting chainring 5,
The gear ring shell 2 is internally provided with level-one ring gear 21 and second level ring gear 22, and gear ring shell 2 passes through fastener
It is connect with supporing shell 3,
The input shaft 1 is rotatably set in the centre bore of gear ring shell 2, and front end is provided with the first spline
13, rear end is formed with the first sun gear 12,
First planetary gear 81 is installed in first planet carrier 82, is nibbled with level-one ring gear 21 and 12 gear of the first sun gear
Transmission is closed,
Second sun gear 83 is connect with 82 spline of first planet carrier, and the second planetary gear 84 is installed on the second planet carrier 85,
And with the second sun gear 83 and second level ring gear 22 gear engaged transmission,
Three-level ring gear 31 has been provided in supporing shell 3,
Third sun gear 86 is connect with 85 spline of the second planet carrier, and the third line star-wheel 87 is installed in third planet carrier 88,
And with third sun gear 86 and three-level ring gear 31 gear engaged transmission,
The intermediate inner hole of connecting chainring 5 goes out to be machined with the second spline 51, and outer wall is machined with the second spline 52,
Third spline 882 compatible with the second spline 52 is machined in third planet carrier 88,
The connecting chainring 5 is set on output shaft 4, and is connected by spline, by 41 axial restraint of fastening nut,
Output shaft 4 is protruded into inside supporing shell 3 by the centre bore of supporing shell 3, between output shaft 4 and supporing shell 3
It is provided with biserial roller bearing 42, is provided with sealing ring 7 between the output end and supporing shell 3 of output shaft 4.
As shown in Figure 1, supporing shell 3 is fixed together by fastener and mixer truck, then gear ring shell 2 is also located
In stationary state, power is inputted by input shaft 1, is connected by spline, successively passes through level-one, second level, three-stage planetary gear system
Slow down, be finally translated into 88 rotary motion of third planet carrier, third planet carrier 88 by third spline 882 and the second spline 52 with
Connecting chainring 5 connects, and transmits power on output shaft 4.
Using three-stage planetary speed reducer, speed ratio can be adjusted as needed, compact overall structure, and reduction ratio is big.It is whole
Cast structure supporing shell reduces production cost.Using debugging double-row roller bearing 42, certain axial load can be born, is inhaled
Receive the defects of course of work causes axial jump, output flange is avoided to be broken, the service life of prolonged deceleration machine.
Preferably, the level-one ring gear 21, second level ring gear 22 and three-level ring gear 31 are independent split type structure, point
It is not detachably connected with gear ring shell 2 and supporing shell 3, connection type is key connection.
Preferably, 83 front of the second sun gear is machined with the 4th spline 831, and rear portion processes the gear teeth 832, passes through the 4th
Spline on spline 831 and first planet carrier 82 is keyed.Similarly, third sun gear 86 also uses this structure type.
Concrete mixer truck driving speed reducer, further includes input shaft described in transmission gear 91 and water pump drive shaft 92
1 middle part is formed with the first pinion gear 11, and transmission gear 91, water pump drive shaft 92 are rotatably set in gear ring shell 2, water pump
Drive shaft 92 is formed with the second pinion gear 93, first pinion gear 11 and 91 engaged transmission of transmission gear, the transmission gear
91 and the engaged transmission of the second pinion gear 93.
As shown in Figure 1, driving water pump drive shaft 92, water pump by transmission gear 91 in input shaft 1 during rotation
Drive shaft 92 reconnects water pump, supplies water for concrete.Thus it is not necessary that in the power device for individually setting up watering, equipment is integrated
Degree is high, reduces the cost of equipment, is easy to use.
It will be appreciated that the embodiments of the present invention while there has been shown and described that, for the common skill of this field
For art personnel, it is possible to understand that can be carried out to these embodiments in the case where not departing from the principles of the present invention and spirit
A variety of change, modification, replacement and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of concrete mixer truck driving speed reducer, which is characterized in that including input shaft (1), gear ring shell (2), support
Shell (3), output shaft (4), connecting chainring (5),
The gear ring shell (2) is internally provided with level-one ring gear (21) and second level ring gear (22), and gear ring shell (2) passes through tight
Firmware is connect with supporing shell (3),
The input shaft (1) is rotatably set in the centre bore of gear ring shell (2), and front end is provided with the first spline
(13), rear end is formed with the first sun gear (12),
First planetary gear (81) is installed on first planet carrier (82), with level-one ring gear (21) and the first sun gear (12) gear
Engaged transmission,
Second sun gear (83) is connect with first planet carrier (82) spline, and the second planetary gear (84) is installed on the second planet carrier (85)
On, and with the second sun gear (83) and second level ring gear (22) gear engaged transmission,
Three-level ring gear (31) have been provided in supporing shell (3),
Third sun gear (86) is connect with the second planet carrier (85) spline, and the third line star-wheel (87) is installed on third planet carrier (88)
On, and with third sun gear (86) and three-level ring gear (31) gear engaged transmission,
The intermediate inner hole of connecting chainring (5) goes out to be machined with the second spline (51), and outer wall is machined with the second spline (52),
The compatible third spline (882) with the second spline (52) is machined in third planet carrier (88),
The connecting chainring (5) is set on output shaft (4), and is connected by spline, by fastening nut (41) axial restraint,
Output shaft (4) protrudes into supporing shell (3) inside, output shaft (4) and supporing shell by the centre bore of supporing shell (3)
(3) it is provided between biserial roller bearing (42), is provided with sealing ring between the output end and supporing shell (3) of output shaft (4)
(7)。
2. concrete mixer truck as described in claim 1 driving speed reducer, which is characterized in that the level-one ring gear (21),
Second level ring gear (22) and three-level ring gear (31) are independent split type structure, respectively with gear ring shell (2) and supporing shell (3)
It is detachably connected, connection type is key connection.
3. concrete mixer truck as claimed in claim 2 driving speed reducer, which is characterized in that before second sun gear (83)
Portion is machined with the 4th spline (831), and rear portion processes the gear teeth (832), by the 4th spline (831) and first planet carrier (82)
Spline key connection, similarly, third sun gear (86) also uses this structure type.
4. concrete mixer truck as claimed in claim 3 driving speed reducer, which is characterized in that the concrete mixer truck is driven
Dynamic speed reducer further includes being formed with the first pinion gear in the middle part of transmission gear (91) and water pump drive shaft (92) input shaft (1)
(11), transmission gear (91), water pump drive shaft (92) are rotatably set in gear ring shell (2), water pump drive shaft (92) shape
At having the second pinion gear (93), first pinion gear (11) and transmission gear (91) engaged transmission, the transmission gear (91)
With the second pinion gear (93) engaged transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523884.9U CN208831605U (en) | 2018-09-18 | 2018-09-18 | A kind of concrete mixer truck driving speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523884.9U CN208831605U (en) | 2018-09-18 | 2018-09-18 | A kind of concrete mixer truck driving speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831605U true CN208831605U (en) | 2019-05-07 |
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ID=66313648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821523884.9U Active CN208831605U (en) | 2018-09-18 | 2018-09-18 | A kind of concrete mixer truck driving speed reducer |
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| Country | Link |
|---|---|
| CN (1) | CN208831605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566638A (en) * | 2019-10-08 | 2019-12-13 | 东莞骏捷机电设备有限公司 | intelligent motor controller for cement filling mixer |
-
2018
- 2018-09-18 CN CN201821523884.9U patent/CN208831605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566638A (en) * | 2019-10-08 | 2019-12-13 | 东莞骏捷机电设备有限公司 | intelligent motor controller for cement filling mixer |
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