CN216069480U - Integrated steering drive front axle assembly - Google Patents
Integrated steering drive front axle assembly Download PDFInfo
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- CN216069480U CN216069480U CN202122919960.6U CN202122919960U CN216069480U CN 216069480 U CN216069480 U CN 216069480U CN 202122919960 U CN202122919960 U CN 202122919960U CN 216069480 U CN216069480 U CN 216069480U
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Abstract
The utility model discloses an integrated steering driving front axle assembly which comprises a frame, a front axle steel beam and a wheel hub, wherein a damping spring is arranged between the frame and the front axle steel beam, the left end and the right end of the front axle steel beam are respectively provided with the wheel hub, a built-in driving motor is arranged in the wheel hub, a steering knuckle is movably arranged between the wheel hub and the front axle steel beam, a steering motor is arranged in the middle of the front axle steel beam, steering cross rods are arranged on the side edges of the front axle steel beam in parallel, the side ends of the steering cross rods and the steering knuckles form a synchronous movable structure, and the steering cross rods are electrically controlled by the steering motor to drive transverse displacement. This integration turns to drive front axle assembly, convenient integrated installation is applicable to the nimble apolegamy installation use of equipment such as some small-size electric vehicles including indoor delivery dolly, and the steering motor of while direct mount in front axle girder steel middle part can cooperate the screw drive structure of screw external member to carry out stable adjustment drive that turns to, has good steering drive stability.
Description
Technical Field
The utility model relates to the technical field of vehicle front axles, in particular to an integrated steering driving front axle assembly.
Background
The steering driving front axle is arranged at the front part of the vehicle, mainly plays a steering role of a tire, is mostly a driven axle, has a part needing to be driven synchronously, gives consideration to a corresponding driving structure, and transmits steering force to the position of a wheel through a steering structure so as to deflect and steer the wheel.
The existing steering drive front axle mostly needs to be matched with more external equipment for installation, the structure is large in size, the matching frame structure is not convenient to arrange flexibly, the integrated drive front axle assembly for the electric vehicle with the Chinese patent publication number of CN203318154U is provided, the steering motor and the transmission structure are arranged through integration, the installation influence of the external equipment is reduced, but the equipment structure is relatively complex, the equipment is generally only suitable for large road vehicles, and small vehicles, the equipment such as indoor carrying trolleys for factory buildings or smaller toy vehicles needs relatively simple steering drive front axle structures, under the premise of not influencing the steering drive stability, the diversified frame structure of the equipment is also adapted for flexible module installation, and the steering drive front axle module which can be flexibly used is lacked.
Aiming at the problems, the innovative design is carried out on the basis of the original steering drive front axle assembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated steering driving front axle assembly to solve the problems that the structure of a common steering driving front axle is complex, some separated parts are required to be matched with an external frame structure, flexible matching of various small frame structures is inconvenient, and an external deflection structure is easily influenced and is not beneficial to stable steering driving in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the integrated steering drive front axle assembly comprises a frame, a front axle steel beam and a wheel hub;
a damping spring is arranged between the frame and the front axle steel beam, and the left end and the right end of the front axle steel beam are both provided with hubs;
a built-in driving motor is installed inside the wheel hub, and a steering knuckle is movably arranged between the wheel hub and the front axle steel beam;
a steering motor is arranged in the middle of the front axle steel beam, and steering cross rods are arranged on the side edges of the front axle steel beam in parallel;
the side end of the steering cross rod and the steering knuckle form a synchronous movable structure, and the steering cross rod is electrically controlled by a steering motor to drive transverse displacement.
Preferably, a steering swing arm is arranged between the steering cross rod and the steering knuckle, and the steering swing arm is fixedly arranged above the steering knuckle;
the middle part of the steering swing arm is provided with a movable through groove, the steering cross rod is provided with a laminating movable block at the laminating position of the movable through groove, and the laminating movable block forms a sliding structure along the movable through groove.
By adopting the technical scheme, the steering swing arm can be driven to movably deflect by only carrying out transverse displacement on the steering cross rod, and the steering knuckles on two sides are synchronously driven to synchronously steer and movably adjust.
Preferably, the middle section of the steering cross rod is provided with a screw section, and the outer side of the screw section is sleeved with a thread external member;
the screw thread external member sets up at the side rotary motion of front axle girder steel, and screw thread external member and screw rod section be threaded connection to the pivot of screw thread external member and the mutual coincidence of the axis of turning to the horizontal pole.
By adopting the technical scheme, the steering cross rod is driven to integrally perform stable transverse displacement movement in a manner of performing thread driving through the rotation of the thread sleeve.
Preferably, the side end of the thread sleeve is integrally provided with a meshing gear ring, and the output end of the steering motor is provided with a driving gear;
the meshing gear ring and the driving gear are both in bevel gear structures, and the meshing gear ring and the driving gear are in meshing connection.
By adopting the technical scheme, the steering motor integrally arranged at the front axle steel beam can directly drive the steering, so that the integral integration and the installation of the front axle steel beam are facilitated.
Preferably, be provided with the fixing base between damping spring's lower extreme and the front axle girder steel, and the fixing base is staple bolt type structure to the fixing base sets up at the left and right sides both ends symmetry of front axle girder steel.
By adopting the technical scheme, the damping springs can be fixedly installed at the proper positions of the left side and the right side of the front axle steel beam, and the installation positions can be adjusted to a certain degree to adapt to a vehicle body structure.
Preferably, a mounting seat is arranged between the upper end of the damping spring and the frame, the damping spring is symmetrically arranged at the front end and the rear end of the mounting seat, and the mounting seat and the frame are fixed through bolts.
Adopt above-mentioned technical scheme, directly fixed through the mount pad is fixed and is installed fixedly to the front axle girder steel is whole, and the symmetry installation that cooperates damping spring can also provide good stable shock attenuation effect.
Compared with the prior art, the utility model has the beneficial effects that: the integrated steering drive front axle assembly is provided with a steering wheel,
1. the steering driving front axle module is formed by conveniently and integrally installing the built-in driving motor and the steering motor which are directly installed at the front axle steel beam and the wheel hub, can be conveniently matched with different frame structures for flexible selective adjustment and installation by matching with the selective adjustment and installation and fixation of the fixed seat and the installation seat, has good damping effect by matching with the damping spring, and is suitable for flexible selective installation and use of small electric vehicles including equipment such as indoor carrying trolleys and the like;
2. the steering motor directly mounted in the middle of the front axle steel beam can be matched with the thread driving structure of the thread sleeve to perform stable steering adjustment driving, in the using process of the device, bevel gear meshing transmission is performed through the meshing gear ring and the driving gear, the thread sleeve can be directly stably driven to rotate through the steering motor, the screw rod transmission structure of the thread sleeve and the screw rod section is utilized to drive the steering cross rod to perform transverse displacement, and the movable deflection of the steering cross rod and the steering swing arm is matched to drive the hubs on the two sides and the steering knuckle to perform stable steering, so that the steering device has good steering driving stability.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the present invention in a top view when turned;
FIG. 3 is a schematic structural view of a fixing base and a mounting base according to the present invention;
FIG. 4 is a schematic top view of the thread form of the present invention;
FIG. 5 is a schematic side sectional view of the thread form of the present invention.
In the figure: 1. a frame; 2. a front axle steel beam; 3. a hub; 4. a damping spring; 5. a built-in driving motor; 6. a knuckle; 7. a steering motor; 8. a steering crossbar; 9. a steering swing arm; 10. a movable through groove; 11. fitting the movable block; 12. a screw section; 13. a threaded sleeve; 14. a meshing toothed ring; 15. a drive gear; 16. a fixed seat; 17. and (7) mounting a seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: an integrated steering drive front axle assembly comprises a frame 1, a front axle steel beam 2 and a wheel hub 3, a damping spring 4 is arranged between the frame 1 and the front axle steel beam 2, the wheel hub 3 is arranged at the left end and the right end of the front axle steel beam 2, a built-in drive motor 5 is arranged in the wheel hub 3, a steering knuckle 6 is movably arranged between the wheel hub 3 and the front axle steel beam 2, a steering motor 7 is arranged at the middle position of the front axle steel beam 2, a steering cross rod 8 is arranged at the side edge of the front axle steel beam 2 in parallel, the side end of the steering cross rod 8 and the steering knuckle 6 form a synchronous movable structure, the steering cross rod 8 is electrically controlled by the steering motor 7 to drive transverse displacement, a steering swing arm 9 is arranged between the steering cross rod 8 and the steering knuckle 6, the steering swing arm 9 is fixedly arranged above the steering knuckle 6, a movable through groove 10 is arranged in the middle of the steering swing arm 9, and a joint movable block 11 is arranged at the joint of the steering cross rod 8 in the movable through groove 10, and the fit movable block 11 forms a sliding structure along the movable through groove 10, and the steering swing arm 9 can be driven to movably deflect only by carrying out transverse displacement on the steering cross rod 8, and the steering knuckles 6 on the two sides are synchronously driven to synchronously steer and movably adjust.
Referring to fig. 1-2 and 4-5, a screw section 12 is disposed at a middle section of the steering crossbar 8, a thread sleeve 13 is sleeved outside the screw section 12, the thread sleeve 13 is rotatably and movably disposed at a side edge of the front axle steel beam 2, the thread sleeve 13 and the screw section 12 are in threaded connection, a rotating shaft of the thread sleeve 13 and a central axis of the steering crossbar 8 are overlapped with each other, the steering crossbar 8 is driven to perform stable transverse displacement movement integrally by means of thread driving through rotation of the thread sleeve 13, a meshing gear ring 14 is integrally disposed at a side end of the thread sleeve 13, a driving gear 15 is disposed at an output end of the steering motor 7, the meshing gear ring 14 and the driving gear 15 are both in a cone gear structure, and the meshing gear ring 14 and the driving gear 15 form meshing connection, so that steering driving can be directly performed by the steering motor 7 integrally disposed at the front axle steel beam 2, make things convenient for the holistic integrated installation that sets up of front axle girder steel 2.
Combine as shown in fig. 3, be provided with fixing base 16 between damping spring 4's lower extreme and the front axle girder steel 2, and fixing base 16 is staple bolt type structure, and fixing base 16 sets up at the both ends symmetry of the left and right sides of front axle girder steel 2, can carry out fixed mounting to damping spring 4 in the suitable position of the 2 left and right sides of front axle girder steel, and can adjust mounted position to a certain extent, adapt to body construction, be provided with mount pad 17 between damping spring 4's upper end and the frame 1, and damping spring 4 sets up at the front and back end symmetry of mount pad 17, and be the bolt fastening between mount pad 17 and the frame 1, it is fixed that direct fixed through mount pad 17 is whole to install front axle girder steel 2, cooperation damping spring 4's symmetry installation can also provide good stable shock attenuation effect.
The working principle is as follows: when using this integration to turn to drive front axle assembly, wheel hub 3 drives through built-in driving motor 5, turn to the structure and drive through integrative steering motor 7 that sets up, can directly be with the whole suitable position at frame 1 of fixing through mount pad 17 bolt with integrated front axle girder steel 2, when turning to the drive, steering motor 7 directly drives drive gear 15, it is whole rotatory with screw thread external member 13 through meshing transmission drive meshing ring gear 14, screw thread transmission through screw thread external member 13 and screw rod section 12 drives and turns to horizontal pole 8 whole and carry out the lateral displacement adjustment, the laminating movable block 11 laminating of turning to horizontal pole 8 side drives and turns to swing arm 9 and carry out the activity and deflect, make knuckle 6 and wheel hub 3 whole adjust that deflects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Integration steering drive front axle assembly, including frame (1), front axle girder steel (2) and wheel hub (3), its characterized in that:
a damping spring (4) is arranged between the frame (1) and the front axle steel beam (2), and the left end and the right end of the front axle steel beam (2) are both provided with hubs (3);
a built-in driving motor (5) is installed inside the wheel hub (3), and a steering knuckle (6) is movably arranged between the wheel hub (3) and the front axle steel beam (2);
a steering motor (7) is installed in the middle of the front axle steel beam (2), and steering cross rods (8) are arranged on the side edges of the front axle steel beam (2) in parallel;
the side end of the steering cross rod (8) and the steering knuckle (6) form a synchronous movable structure, and the steering cross rod (8) is electrically controlled by a steering motor (7) to drive transverse displacement.
2. The integrated steer-drive front axle assembly according to claim 1, wherein: a steering swing arm (9) is arranged between the steering cross rod (8) and the steering knuckle (6), and the steering swing arm (9) is fixedly arranged above the steering knuckle (6);
the middle part of the steering swing arm (9) is provided with a movable through groove (10), the joint of the steering cross rod (8) in the movable through groove (10) is provided with a joint movable block (11), and the joint movable block (11) forms a sliding structure along the movable through groove (10).
3. The integrated steer-drive front axle assembly according to claim 2, wherein: a screw section (12) is arranged at the middle section of the steering cross rod (8), and a thread sleeve (13) is sleeved on the outer side of the screw section (12);
the screw thread external member (13) is arranged on the side of the front axle steel beam (2) in a rotating and moving mode, the screw thread external member (13) is in threaded connection with the screw rod section (12), and the rotating shaft of the screw thread external member (13) and the central axis of the steering cross rod (8) are overlapped.
4. The integrated steer-drive front axle assembly according to claim 3, wherein: a meshing gear ring (14) is integrally arranged at the side end of the thread sleeve (13), and a driving gear (15) is arranged at the output end of the steering motor (7);
the meshing gear ring (14) and the driving gear (15) are both in a bevel gear structure, and the meshing gear ring (14) and the driving gear (15) are in meshing connection.
5. The integrated steer-drive front axle assembly according to claim 1, wherein: be provided with fixing base (16) between the lower extreme of damping spring (4) and front axle girder steel (2), and fixing base (16) are staple bolt type structure to fixing base (16) are both ends symmetry setting about front axle girder steel (2).
6. The integrated steer-drive front axle assembly according to claim 5, wherein: a mounting seat (17) is arranged between the upper end of the damping spring (4) and the frame (1), the damping spring (4) is symmetrically arranged at the front end and the rear end of the mounting seat (17), and the mounting seat (17) and the frame (1) are fixed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919960.6U CN216069480U (en) | 2021-11-25 | 2021-11-25 | Integrated steering drive front axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919960.6U CN216069480U (en) | 2021-11-25 | 2021-11-25 | Integrated steering drive front axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216069480U true CN216069480U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122919960.6U Active CN216069480U (en) | 2021-11-25 | 2021-11-25 | Integrated steering drive front axle assembly |
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| Country | Link |
|---|---|
| CN (1) | CN216069480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122827A (en) * | 2022-09-01 | 2022-09-30 | 丰县众联电动车科技有限公司 | Rear axle power transmission device of electric tricycle |
-
2021
- 2021-11-25 CN CN202122919960.6U patent/CN216069480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122827A (en) * | 2022-09-01 | 2022-09-30 | 丰县众联电动车科技有限公司 | Rear axle power transmission device of electric tricycle |
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