CN218021066U - Gear transmission speed reduction suspension integrated electric drive axle for drive-by-wire chassis - Google Patents
Gear transmission speed reduction suspension integrated electric drive axle for drive-by-wire chassis Download PDFInfo
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- CN218021066U CN218021066U CN202221992762.0U CN202221992762U CN218021066U CN 218021066 U CN218021066 U CN 218021066U CN 202221992762 U CN202221992762 U CN 202221992762U CN 218021066 U CN218021066 U CN 218021066U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
A gear transmission speed reduction suspension integrated electric drive axle for a drive-by-wire chassis relates to the technical field of electric control trolleys. The wheel suspension comprises wheels and a suspension body with a hollow cavity, wherein an input shaft, a hub shaft and a transmission shaft arranged between the input shaft and the hub shaft are rotatably arranged in the suspension body; the suspension body is also provided with a servo motor, and an output shaft of the servo motor extends into the suspension body and is in transmission connection with the input shaft through a bevel gear; and a brake device for braking the wheels is also arranged on the suspension body. The utility model discloses with reduction gears with hang integration formula structure as an organic whole, effectively simplified the product structure, reduced the product volume.
Description
Technical Field
The utility model relates to an automatically controlled dolly technical field specifically is a drive-by-wire chassis is with gear drive speed reduction suspension integral type electric drive axle.
Background
With the rapid development of economy, the technological level is increasingly improved, and in many occasions, the machine control is used for replacing manual work, so that the effects of improving efficiency and reducing risks are achieved, for example, an operator can achieve the purpose of working by remotely controlling the electric control trolley.
The electrically controlled trolley with the speed reducing mechanism in the prior art has obvious defects that the integral structure of the product is complicated because the suspension and the speed reducing mechanism are two independent mechanisms, and the electrically controlled trolley needs to adapt to various different working environments, so that the product is required to be simple in structure and flexible in volume.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gear drive speed reduction suspension integral type electric drive axle for drive-by-wire chassis can effectively solve the problem among the background art.
The technical scheme for realizing the purpose is as follows: the utility model provides a drive-by-wire chassis is with electrically driven axle of gear drive speed reduction suspension integral type which characterized in that: the wheel suspension comprises wheels and a suspension body with a hollow cavity, wherein an input shaft, a hub shaft and a transmission shaft arranged between the input shaft and the hub shaft are rotatably arranged in the suspension body; the suspension body is also provided with a servo motor, and an output shaft of the servo motor extends into the suspension body and is in transmission connection with the input shaft through a bevel gear;
still install brake equipment on hanging the body, the wheel disposes the wheel hub brake disc, the wheel hub brake disc of wheel is located between brake equipment's the friction disc, and brake equipment's friction disc is used for realizing wheel braking with the cooperation of wheel hub brake disc. Furthermore, the input shaft and the transmission shaft are both pin shafts, two ends of the input shaft and two ends of the output shaft both extend out of the suspension body, one end of the input shaft and one end of the output shaft are limited through the cap end of the pin shaft, and the other end of the input shaft and the other end of the output shaft are limited through the shaft end clamp spring.
Furthermore, first bearings are respectively arranged between the two ends of the input shaft and the transmission shaft and between the two ends of the transmission shaft and the suspension body.
Furthermore, the suspension body is further fixedly connected with a shaft sleeve which is coaxially arranged with the wheel hub shaft, one end of the shaft sleeve extends into the suspension body, the other end of the shaft sleeve extends out of the suspension body, one end, far away from the wheel, of the wheel hub shaft penetrates through the shaft sleeve and extends into the suspension body along the shaft sleeve, a second bearing is installed between the wheel hub shaft and the shaft sleeve, and one end, extending into the suspension body, of the wheel hub shaft is connected with a third-stage driven gear which is used for being in transmission connection with a transmission shaft.
Furthermore, install second grade driven gear and the tertiary driving gear that the diameter is less than tertiary driven gear on the transmission shaft, second grade driven gear is used for the transmission to connect the input shaft, tertiary driving gear meshes with tertiary driven gear mutually.
Furthermore, a first-stage driven bevel gear and a second-stage driving gear with the diameter smaller than that of the second-stage driven gear are mounted on the input shaft, the second-stage driving gear is meshed with the second-stage driven gear, the output end of the servo motor is connected with a first-stage driving bevel gear with the diameter smaller than that of the first-stage driven bevel gear, and the first-stage driving bevel gear is in transmission connection with the first-stage driven bevel gear.
The utility model has the advantages that:
1) The utility model discloses with reduction gears with hang integration formula structure as an organic whole, effectively simplified the product structure, reduced the product volume.
2) The utility model discloses with servo motor's high rotational speed through tertiary speed reduction to hanging the suitable low rotational speed of axle. Under the condition that the power of the servo motor is fixed, the output torque and the rotating speed are in an inverse relation, the rotating speed of a hub shaft at the tail end of the speed reducer is reduced, the transmission torque is increased, namely the total transmission ratio is larger, the transmission torque is larger, and therefore the driving load capacity of the suspension axle is effectively improved.
3) The utility model discloses dispose brake equipment, brake equipment adopts automatically controlled disc brake equipment, is convenient for realize remote control, during the braking, the moment of horizontal migration is converted into with the revolving force to motor in the drive brake equipment, produces brake pressure, and the tight brake disc of friction disc clamp that promotes brake equipment produces braking force, brake promptly.
4) The utility model discloses a gear reduction compares in belt drive or chain drive, has solved the defect that belt drive or chain drive ratio are little and the not steady scheduling problem of motion, has that transmission precision is high, drive ratio is big, the transmission is steady, reliable operation, security performance are high, transmission efficiency is high, the power range that can transmit is wide, advantages such as long service life.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a right side view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is an enlarged view of a portion B in fig. 1.
Detailed Description
As shown in fig. 1-4, the utility model discloses a wheel 1 and have hollow cavity 2.1's suspension body 2, input shaft 3, wheel hub axle 4 and install transmission shaft 5 between input shaft 3 and wheel hub axle 4 are installed to 2 internal rotations of suspension body, wheel 1 rotates with suspension body 2 through wheel hub axle 4 and is connected, input shaft 3, transmission shaft 5 are the round pin axle, and suspension body 2 and one end is all stretched out to the both ends of input shaft 3 and transmission shaft 5 to it is spacing that the cap end of round pin axle is spacing, the other end passes through axle head jump ring 6 spacingly.
An electric control disc type brake device 28 is further mounted on the suspension body 2, the wheel 1 is configured with a wheel hub brake disc, the wheel hub brake disc of the wheel 1 is located between friction plates of the electric control disc type brake device 28, the friction plates of the electric control disc type brake device 28 are used for being matched with the wheel hub brake disc to realize wheel braking, the electric control disc type brake device 28 is in an existing conventional configuration, and specific structures are not expanded.
The suspension body 2 is further fixedly provided with a shaft sleeve 14 which is coaxially arranged with the hub shaft 4, one end of the shaft sleeve 14 extends into the suspension body 2, the other end of the shaft sleeve 14 extends out of the suspension body 2, one end of the hub shaft 4 is fixedly connected with the wheel 1, the other end of the hub shaft 4 penetrates through the shaft sleeve 14 and extends into the suspension body 2 along the shaft sleeve, and one end of the hub shaft 4, which extends into the suspension body 2, is fixedly connected with a third-stage driven gear 15.
The inner ring of the second bearing 16 close to one side of the wheel 1 is limited and arranged between the step of the corresponding end of the hub shaft 4 and the end cover 18, the outer ring is limited and arranged between the step of the corresponding end of the shaft sleeve 14 and the limiting clamp spring 27 corresponding to the outer side, the inner ring of the second bearing 16 far away from one side of the wheel 1 is limited and arranged between the step of the corresponding end of the hub shaft 4 and the wear-resistant retainer ring 20, and the outer ring is limited and arranged between the step of the corresponding end of the shaft sleeve 14 and the limiting clamp spring 27 corresponding to the outer side.
The transmission shaft 5 is connected with a second-stage driven gear 21 and a third-stage driving gear 22 with the diameter smaller than that of the third-stage driven gear 15 in a key mode, and the third-stage driving gear 22 is meshed with the third-stage driven gear 15.
The input shaft 3 is in keyed connection with a primary driven bevel gear 24 and a secondary driving gear 23 with the diameter smaller than that of the secondary driven gear 21, and the secondary driving gear 23 is meshed with the secondary driven gear 21.
The suspension frame body 2 is further provided with a servo motor 25, the output end of the servo motor 25 is connected with a primary driving bevel gear 26, the diameter of the primary driving bevel gear 26 is smaller than that of the primary driven bevel gear 24, and the primary driving bevel gear 26 is in transmission connection with the primary driven bevel gear 23.
Be provided with the bearing mounting hole between the both ends of input shaft 3 and the suspension body 2 respectively, install first bearing 10 in the bearing mounting hole respectively, between the round pin axle cap end of input shaft 3 and the suspension body 2, and all be provided with the fixed cushion 7 of establishing on the outer wall of suspension body 2 between the axle head jump ring 6 of input shaft 3 tip and the suspension body 2, between the round pin axle cap end of input shaft 3 and the cushion 7 that corresponds the side, be provided with gasket 8 between the axle head jump ring 6 of input shaft 3 tip and the suspension body 2 respectively, cushion 7 is fixed to be set up on suspending body 2.
The bearing mounting holes in the inner side of the first bearing 10 are respectively provided with a hole snap spring 9, wear-resistant check rings 11 are respectively arranged between the second-stage driven gear 21, the third-stage driving gear 22 and the first bearing 10 on the corresponding side, the outer ring of the first bearing 10 is respectively arranged between the cushion block 7 on the corresponding end and the hole snap spring 9 in a limiting mode, and the inner ring of the first bearing 10 is respectively arranged between the cushion block 7 on the corresponding end and the wear-resistant check ring 11 in a limiting mode.
The specific rotary connection structure between the transmission shaft 5 and the suspension body 2 is the same as the connection structure between the input shaft 3 and the suspension body 3, and is not described again here.
The utility model discloses a working process:
the servo motor 25 drives the primary driving bevel gear 26 and the secondary driving gear 23 which are arranged on the output shaft to rotate, the primary driving bevel gear 26 and the primary driven bevel gear 24 are in a bevel gear transmission structure, the transmission direction reversal is changed while the primary rotating speed and the torque are transmitted, the secondary driving gear 23 and the secondary driven gear 21 are in standard straight gear transmission, the secondary rotating speed and the torque are transmitted, and the transmission ratio is i 2 The second-stage driven gear 21 drives the transmission shaft 5 and the third-stage driving gear 22 to rotate, the third-stage driving gear 22 drives the wheel hub shaft 4 and the wheel 1 to rotate through the third-stage driven gear 15, the third-stage driving gear 22 and the third-stage driven gear 15 are in standard straight gear transmission and transmit three-stage rotating speed and torque, and the transmission ratio is i 3 。
The utility model discloses an every grade of transmission is pinion and drives the gear wheel, so whole suspension gear is a decelerator, total drive ratio i General assembly =i 1 *i 2 *i 3 And reducing the high rotating speed of the servo motor to a proper low rotating speed and large torque of the suspension axle.
Claims (6)
1. The utility model provides a drive-by-wire chassis is with electrically driven axle of gear drive speed reduction suspension integral type which characterized in that: the wheel suspension comprises wheels and a suspension body with a hollow cavity, wherein an input shaft, a hub shaft and a transmission shaft arranged between the input shaft and the hub shaft are rotatably arranged in the suspension body; the suspension body is also provided with a servo motor, and an output shaft of the servo motor extends into the suspension body and is in transmission connection with the input shaft through a bevel gear;
still install brake equipment on hanging the body, the wheel disposes the wheel hub brake disc, the wheel hub brake disc of wheel is located between brake equipment's the friction disc, and brake equipment's friction disc is used for realizing wheel braking with the cooperation of wheel hub brake disc.
2. The integrated electrically driven axle of gear transmission reduction suspension for the drive-by-wire chassis as claimed in claim 1, characterized in that: the input shaft and the transmission shaft are pin shafts, two ends of the input shaft and two ends of the output shaft extend out of the suspension body, one end of the input shaft and the other end of the output shaft are limited through the cap end of the pin shaft, and the other end of the input shaft and the other end of the output shaft are limited through the shaft end clamp spring.
3. The integrated electrically driven axle of gear transmission reduction suspension for the drive-by-wire chassis as claimed in claim 2, characterized in that: first bearings are respectively arranged between the input shaft and the suspension body and between the two ends of the transmission shaft and the suspension body.
4. The electrically driven axle integrating the gear transmission reduction suspension for the drive-by-wire chassis is characterized in that: the suspension body is further fixedly connected with a shaft sleeve which is coaxially arranged with the hub shaft, one end of the shaft sleeve extends into the suspension body, the other end of the shaft sleeve extends out of the suspension body, one end, far away from the wheel, of the hub shaft penetrates into the shaft sleeve and extends into the suspension body along the shaft sleeve, a second bearing is installed between the hub shaft and the shaft sleeve, and one end, extending into the suspension body, of the hub shaft is connected with a third-stage driven gear which is used for being in transmission connection with a transmission shaft.
5. The electrically driven axle integrating the gear transmission reduction suspension for the drive-by-wire chassis is characterized in that: the transmission shaft is provided with a second-stage driven gear and a third-stage driving gear, the diameter of the third-stage driving gear is smaller than that of the second-stage driven gear, the second-stage driven gear is used for being in transmission connection with the input shaft, and the third-stage driving gear is meshed with the third-stage driven gear.
6. The integrated electrically driven axle of gear transmission reduction suspension for the drive-by-wire chassis as claimed in claim 5, characterized in that: the input shaft is provided with a first-stage driven bevel gear and a second-stage driving gear with the diameter smaller than that of the second-stage driven gear, the second-stage driving gear is meshed with the second-stage driven gear, the output end of the servo motor is connected with a first-stage driving bevel gear with the diameter smaller than that of the first-stage driven bevel gear, and the first-stage driving bevel gear is in transmission connection with the first-stage driven bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992762.0U CN218021066U (en) | 2022-08-01 | 2022-08-01 | Gear transmission speed reduction suspension integrated electric drive axle for drive-by-wire chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992762.0U CN218021066U (en) | 2022-08-01 | 2022-08-01 | Gear transmission speed reduction suspension integrated electric drive axle for drive-by-wire chassis |
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| Publication Number | Publication Date |
|---|---|
| CN218021066U true CN218021066U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221992762.0U Active CN218021066U (en) | 2022-08-01 | 2022-08-01 | Gear transmission speed reduction suspension integrated electric drive axle for drive-by-wire chassis |
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| CN (1) | CN218021066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117818382A (en) * | 2024-03-04 | 2024-04-05 | 江苏讯汇科技股份有限公司 | Driving device and method for movable energy storage trolley |
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2022
- 2022-08-01 CN CN202221992762.0U patent/CN218021066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117818382A (en) * | 2024-03-04 | 2024-04-05 | 江苏讯汇科技股份有限公司 | Driving device and method for movable energy storage trolley |
| CN117818382B (en) * | 2024-03-04 | 2024-05-28 | 江苏讯汇科技股份有限公司 | Driving device and method for movable energy storage trolley |
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