CN219406029U - Unmanned commodity circulation car steering drive axle assembly - Google Patents
Unmanned commodity circulation car steering drive axle assembly Download PDFInfo
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- CN219406029U CN219406029U CN202320674979.5U CN202320674979U CN219406029U CN 219406029 U CN219406029 U CN 219406029U CN 202320674979 U CN202320674979 U CN 202320674979U CN 219406029 U CN219406029 U CN 219406029U
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- steering
- rear axle
- front axle
- axle
- axle steering
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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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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a steering drive axle assembly of an unmanned logistics vehicle, which relates to the technical field of vehicle drive axles and comprises a front axle assembly and a rear axle assembly, wherein the front axle assembly comprises a front axle circular tube, a front axle steering machine bracket and a front axle steering assembly; the rear axle assembly comprises a speed changer, a rear axle circular tube, a rear axle steering gear bracket and a rear axle steering assembly. The front axle assembly and the rear axle assembly can enable the unmanned logistics vehicle to perform four-wheel steering, the turning radius is smaller, and the unmanned logistics vehicle can travel on a narrow road more flexibly.
Description
Technical Field
The utility model relates to the technical field of vehicle drive axles, in particular to an unmanned logistics vehicle steering drive axle assembly.
Background
Along with the development of science and technology, the more mature the unmanned technology of the terminal logistics vehicle is, the greater the demand of the unmanned logistics vehicle is. The existing unmanned logistics vehicle is two-wheel steering, two-wheel driving and large in turning radius, and cannot adapt to the unmanned logistics vehicle.
The unmanned logistics vehicle and the vehicle group thereof disclosed in a Chinese patent with the application number of 2018107299686 comprise a vehicle frame assembly, a vehicle body assembly, a container assembly and a chassis assembly, wherein the chassis assembly comprises a chassis body and a steering system, and the steering system comprises a steering mechanism for controlling front wheel steering. The scheme is that two wheels turn, the turning radius is larger, and the scheme is not suitable for driving on a narrow road section.
Disclosure of Invention
The utility model provides a steering drive axle assembly of an unmanned logistics vehicle, which can carry out four-wheel steering, has small turning radius and can flexibly run on a narrower road, and the problems in the prior art are solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the steering drive axle assembly of the unmanned logistics vehicle comprises a front axle assembly and a rear axle assembly, wherein the front axle assembly comprises a front axle circular tube, a front axle steering machine bracket arranged on the front axle circular tube and two front axle steering assemblies respectively arranged at two ends of the front axle circular tube; the rear axle assembly comprises a speed changer, two rear axle round pipes which are respectively connected to two sides of the speed changer, a rear axle steering gear bracket arranged on the rear axle round pipes and two rear axle steering assemblies which are respectively arranged at the end parts of the two rear axle round pipes, wherein the speed changer is connected with a motor, and front axle steering gears used for driving the front axle steering assemblies to steer and rear axle steering gears used for driving the rear axle steering assemblies to steer are respectively arranged on the front axle steering gear bracket and the rear axle steering gear bracket.
Preferably, the rear axle steering assembly comprises a rear axle steering inner seat connected with a rear axle square disc at the end part of a rear axle round tube, a rear axle steering outer seat hinged with the rear axle steering inner seat and a ball cage coupler rotatably installed on the rear axle steering outer seat, one end of the ball cage coupler, which is close to a half shaft rotatably installed in the rear axle round tube, is connected with the half shaft, and a rear axle hub is installed on a wheel shaft of the ball cage coupler.
Preferably, a rear axle steering arm is fixedly installed on the rear axle steering outer seat, and the rear axle steering arm can be driven to rotate by taking a hinge shaft between the rear axle steering inner seat and the rear axle steering outer seat as a center.
Preferably, the front axle steering assembly comprises a front axle steering inner seat connected with a front axle square disc at the end part of the front axle round tube, a front axle steering outer seat hinged with the front axle steering inner seat and a front axle hub rotatably installed on the front axle steering outer seat.
Preferably, a front axle steering arm is fixedly installed on the front axle steering outer seat, and the front axle steering arm can be driven to rotate by taking a hinge shaft between the front axle steering inner seat and the front axle steering outer seat as a center.
Preferably, the front axle circular tube and the rear axle circular tube are respectively provided with a front axle inclined saddle and a rear axle inclined saddle which are fixedly connected with the chassis of the unmanned logistics vehicle.
Compared with the prior art, the utility model has the beneficial effects that:
the front axle steering assembly and the rear axle steering assembly are respectively arranged on the front axle round tube and the rear axle round tube, the front axle steering machine bracket on the front axle round tube can be provided with the front axle steering machine, the front axle steering assembly is driven to steer, the rear axle steering machine bracket on the rear axle round tube can be provided with the rear axle steering machine, and the rear axle steering assembly is driven to steer.
Drawings
FIG. 1 is a schematic structural view of a front axle assembly of the present utility model;
FIG. 2 is a perspective view of a front axle assembly of the present utility model;
FIG. 3 is a perspective view of the rear axle assembly of the present utility model;
FIG. 4 is a side view of the rear axle assembly of the present utility model;
FIG. 5 is a schematic structural view of a rear axle assembly according to the present utility model;
fig. 6 is a cross-sectional view of the rear axle steering assembly of the present utility model.
In the figure: 1. front axle pipe, 2, front axle steering wheel support, 3, front axle inclined plane saddle, 4, front axle square plate, 5, front axle steering inner seat, 6, front axle steering outer seat, 7, front axle steering arm, 8, front axle wheel hub, 9, rear axle pipe, 10, derailleur, 11, motor, 12, rear axle steering wheel support, 13, rear axle inclined plane saddle, 14, rear axle square plate, 15, rear axle steering inner seat, 16, rear axle steering outer seat, 17, rear axle steering arm, 18, rear axle wheel hub, 19, half axle, 20, articulated shaft, 21, ball cage coupling.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 6, the steering drive axle assembly of the unmanned logistics vehicle provided by the embodiment of the utility model comprises a front axle assembly and a rear axle assembly, wherein the front axle assembly and the rear axle assembly are arranged below a chassis of the unmanned logistics vehicle. The front axle assembly comprises a front axle circular tube 1, two front axle steering assemblies respectively arranged at two ends of the front axle circular tube 1 and a front axle steering machine bracket 2 welded on the front axle circular tube 1. The front axle steering wheel bracket 2 is provided with a front axle steering wheel.
The front axle steering assembly comprises a front axle steering inner seat 5 connected to the front axle square disc 4 through bolts and a front axle steering outer seat 6 hinged to the front axle steering inner seat 5, a front axle hub 8 is mounted on the front axle steering outer seat 6 through a bearing, and a front axle steering arm 7 is connected to the front axle steering outer seat 6 through bolts. The front axle steering gear is hinged with the two front axle steering arms 7, and can drive the two front axle steering arms 7 to rotate by taking the hinge shafts 20 of the front axle steering inner seat 5 and the front axle steering outer seat 6 as centers respectively, so that the steering of the front axle wheel hubs 8 is realized.
The rear axle assembly comprises a speed changer 10, a motor 11, two rear axle round tubes 9 and two rear axle steering assemblies which are respectively arranged at the end parts of the two rear axle round tubes 9. A rear axle steering wheel bracket 12 is fixed on the rear axle round tube 9. The two rear axle round tubes 9 are fixedly connected to two sides of the transmission 10, and half shafts 19 are arranged in the two rear axle round tubes 9 through bearings. The motor 11 is connected to one side of the transmission 10, and an output shaft of the motor 11 is in transmission connection with a gear set in the transmission 10, and drives two half shafts 19 to rotate after the speed of the gear set is regulated.
The rear axle round tube 9 is welded with a rear axle square plate 14 at one end far away from the speed changer 10, and the rear axle steering assembly comprises a rear axle steering inner seat 15 connected with the rear axle square plate 14 through bolts and a rear axle steering outer seat 16 hinged on the rear axle steering inner seat 15. The rear axle steering outer seat 16 is provided with a wheel shaft of a ball cage coupler 21 through a bearing, the ball cage coupler 21 is in transmission connection with the half shaft 19, the transmission connection between the ball cage coupler 21 and the half shaft 19 is universal transmission, and the wheel shaft of the ball cage coupler 21 is provided with a rear axle hub 18. The rear axle steering outer seat 16 is connected with a rear axle steering arm 17 through bolts. The rear axle steering gear is hinged with two rear axle steering arms 17, and the rear axle steering gear can drive the two rear axle steering arms 17 to rotate by taking the hinged shaft 20 of the rear axle steering inner seat 15 and the rear axle steering outer seat 16 as the center respectively, so that the steering of the rear axle hub 18 is realized. Because the half shaft 19 is in universal driving connection with the ball cage coupling 21, the motor 11 can maintain driving with the rear axle hub 18 when the rear axle hub 18 is turned.
The rear axle hub 18 portion of one of the rear axle steering assemblies is omitted from fig. 3 for the purpose of illustrating the construction of the rear axle assembly.
The front axle circular tube 1 and the rear axle circular tube 9 are respectively welded with a front axle inclined saddle 3 and a rear axle inclined saddle 13, and the front axle inclined saddle 3 and the rear axle inclined saddle 13 are connected with the chassis of the unmanned logistics vehicle.
The front axle steering gear and the rear axle steering gear can use the existing steering gear, and the steering gear is not improved, so that the utility model is not repeated.
When in use, the utility model is characterized in that: the front axle steering arm 7 and the rear axle steering arm 17 are respectively driven by the front axle steering machine and the rear axle steering machine to rotate by taking the hinge shaft 20 as the center, so that the front wheel hub and the rear wheel hub are driven to rotate, the steering of the front wheel and the rear wheel is realized, the turning radius of the unmanned logistics vehicle can be reduced by four-wheel simultaneous steering, and the unmanned logistics vehicle can be more flexible to travel.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The steering drive axle assembly of the unmanned logistics vehicle is characterized by comprising a front axle assembly and a rear axle assembly, wherein the front axle assembly comprises a front axle circular tube (1), a front axle steering machine bracket (2) arranged on the front axle circular tube (1) and two front axle steering assemblies respectively arranged at two ends of the front axle circular tube (1); the rear axle assembly comprises a speed changer (10), two rear axle round pipes (9) which are respectively connected to two sides of the speed changer (10), a rear axle steering wheel bracket (12) which is arranged on the rear axle round pipes (9) and two rear axle steering assemblies which are respectively arranged at the end parts of the two rear axle round pipes (9), wherein the speed changer (10) is connected with a motor (11), and front axle steering wheels for driving the front axle steering assemblies to steer and rear axle steering wheels for driving the rear axle steering assemblies to steer are respectively arranged on the front axle steering wheel bracket (2) and the rear axle steering wheel bracket (12).
2. An unmanned logistics vehicle steering drive axle assembly as claimed in claim 1, wherein the rear axle steering assembly comprises a rear axle steering inner seat (15) connected with a rear axle square disc (14) at the end part of a rear axle round tube (9), a rear axle steering outer seat (16) hinged with the rear axle steering inner seat (15) and a ball cage coupler (21) rotatably mounted on the rear axle steering outer seat (16), one end of the ball cage coupler (21) close to a half axle (19) rotatably mounted in the rear axle round tube (9) is connected with the half axle (19), and a rear axle hub (18) is mounted on a wheel axle of the ball cage coupler (21).
3. An unmanned logistics vehicle steering drive axle assembly as claimed in claim 2, wherein the rear axle steering outer seat (16) is fixedly provided with a rear axle steering arm (17), and the rear axle steering arm (17) can be driven to rotate by taking a hinge shaft (20) between the rear axle steering inner seat (15) and the rear axle steering outer seat (16) as a center.
4. An unmanned logistics vehicle steering drive axle assembly as claimed in claim 1, wherein the front axle steering assembly comprises a front axle steering inner seat (5) connected with a front axle square plate (4) at the end part of the front axle round tube (1), a front axle steering outer seat (6) hinged with the front axle steering inner seat (5) and a front axle hub (8) rotatably mounted on the front axle steering outer seat (6).
5. The unmanned logistics vehicle steering drive axle assembly of claim 4, wherein the front axle steering outer seat (6) is fixedly provided with a front axle steering arm (7), and the front axle steering arm (7) can be driven to rotate by taking a hinge shaft (20) between the front axle steering inner seat (5) and the front axle steering outer seat (6) as a center.
6. The steering drive axle assembly of the unmanned logistics vehicle according to claim 1, wherein a front axle inclined saddle (3) and a rear axle inclined saddle (13) which are fixedly connected with a chassis of the unmanned logistics vehicle are respectively arranged on the front axle circular tube (1) and the rear axle circular tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320674979.5U CN219406029U (en) | 2023-03-30 | 2023-03-30 | Unmanned commodity circulation car steering drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320674979.5U CN219406029U (en) | 2023-03-30 | 2023-03-30 | Unmanned commodity circulation car steering drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219406029U true CN219406029U (en) | 2023-07-25 |
Family
ID=87235756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320674979.5U Active CN219406029U (en) | 2023-03-30 | 2023-03-30 | Unmanned commodity circulation car steering drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219406029U (en) |
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2023
- 2023-03-30 CN CN202320674979.5U patent/CN219406029U/en active Active
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