CN110979446A - Steering system and vehicle with same - Google Patents
Steering system and vehicle with same Download PDFInfo
- Publication number
- CN110979446A CN110979446A CN201911264720.8A CN201911264720A CN110979446A CN 110979446 A CN110979446 A CN 110979446A CN 201911264720 A CN201911264720 A CN 201911264720A CN 110979446 A CN110979446 A CN 110979446A
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- China
- Prior art keywords
- shaft
- input shaft
- steering system
- steering
- universal joint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/04—Steering gears mechanical of worm type
- B62D3/06—Steering gears mechanical of worm type with screw and nut
- B62D3/08—Steering gears mechanical of worm type with screw and nut using intermediate balls or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/12—Steering gears mechanical of rack-and-pinion type
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention provides a steering system and a vehicle with the same, wherein the steering system comprises a commutator, and the commutator comprises a first input shaft; the universal joint shaft is connected with the first input shaft through a transmission structure; the recirculating ball steering gear comprises a second input shaft, and the second input shaft is connected with the universal joint shaft; an extension line of the shaft axis of the joint shaft intersects an extension line of the shaft axis of the first input shaft and is collinear with an extension line of the shaft axis of the second input shaft. The direction of the steering input shaft is changed by adding the commutator on the recirculating ball steering gear and connecting the first input shaft of the commutator with the second input shaft of the recirculating ball steering gear through the transitional transmission of the universal joint shaft, so that the requirements of horizontal arrangement and steering are met; by using the universal joint shaft, the axial tolerance of the installation of the second input shaft of the steering gear and the steering gear is absorbed, the smooth performance of the steering process is ensured, the clamping stagnation phenomenon is avoided, and the performance of the steering system in the use process is ensured.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a steering system and a vehicle with the same.
Background
The front axle load of the large vehicle is large, and the volume of the steering gear is also large; the direction of an input shaft of the conventional steering system cannot meet the requirement of being connected with a steering intermediate shaft in horizontal arrangement; or after connection, the included angle of the steering universal joint fork is too large, the steering process can generate clamping stagnation, the steering output angle is not linear, and the like; the steering performance cannot meet the driving requirements, and is not suitable for large vehicles. Therefore, it is necessary to design a steering system suitable for a large vehicle.
Disclosure of Invention
In view of the above, the present invention provides a steering system.
The invention also provides a vehicle with the steering system.
In order to solve the technical problems, the invention adopts the following technical scheme:
a steering system according to an embodiment of the first aspect of the invention includes:
a commutator comprising a first input shaft; a cardan shaft coupled with the first input shaft through a transmission structure;
a recirculating ball diverter including a second input shaft coupled with the cardan shaft;
an extension line of the shaft axis of the universal joint shaft intersects with an extension line of the shaft axis of the first input shaft and is collinear with an extension line of the shaft axis of the second input shaft.
Further, the commutator further includes:
the output end of the first input shaft, the input ends of the universal joint shaft and the second input shaft are integrated in the shell, and the input end of the first input shaft and the output end of the second input shaft are exposed out of the shell.
Further, an extension line of the shaft axis of the first input shaft is perpendicular to an extension line of the shaft axis of the universal joint shaft.
Further, the transmission structure includes:
the first bevel gear is arranged at the output end of the first input shaft;
the second bevel gear is arranged at the input end of the universal joint shaft;
the first bevel gear and the second bevel gear are in meshed transmission connection.
Further, the first bevel gear is connected with the first input shaft in a key way; and/or the second bevel gear is connected with the universal joint shaft in a key way.
Further, the commutator further includes:
and the first support bearing is arranged in the shell and sleeved and fixed on the first input shaft.
Further, the commutator further includes:
and the second supporting bearing is arranged in the shell and sleeved and fixed on the universal joint shaft.
Further, the commutator further includes:
and the third support bearing is arranged in the shell and sleeved and fixed on the second input shaft.
Further, the steering system further includes:
and the locking device is fixed on the shell, and the shell and the recirculating ball steering gear are locked and fixed through the locking device.
A vehicle according to an embodiment of a second aspect of the invention includes the steering system according to the above-described embodiment.
The technical scheme of the invention has the following beneficial effects:
according to the steering system provided by the embodiment of the invention, the reverser is additionally arranged on the recirculating ball steering gear, and the first input shaft of the reverser is in transitional transmission connection with the second input shaft of the recirculating ball steering gear through the universal joint shaft, so that the direction of the steering input shaft is changed, and the horizontal arrangement and steering requirements are met; meanwhile, the universal joint shaft is used for absorbing the axial tolerance of the mounting of the second input shaft of the reverser and the recirculating ball steering gear, so that the smooth performance of the steering process is ensured, the rotation flexibility is ensured, the clamping stagnation phenomenon is avoided, and the performance of the steering system in the use process is ensured.
Drawings
Fig. 1 is a schematic structural view of a steering system according to an embodiment of the present invention.
Reference numerals:
a commutator 10; a first input shaft 11; a universal joint shaft 12; a transmission structure 13; a first bevel gear 131; a second bevel gear 132; a housing 14; a first support bearing 15; a second support bearing 16; a third support bearing 17;
a recirculating ball diverter 20; a second input shaft 21;
a locking device 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The following first describes the steering system 100 according to an embodiment of the present invention in detail with reference to the drawings.
As shown in fig. 1, a steering system 100 according to an embodiment of the present invention includes a reverser 10 and a recirculating ball redirector 20.
Specifically, the commutator 10 comprises a first input shaft 11 and a universal joint shaft 12, the first input shaft 11 and the universal joint shaft 12 are in transmission connection, specifically connected through a transmission structure 13; the recirculating ball steering gear 20 includes a second input shaft 21, the cardan shaft 12 being coupled to the second input shaft 21; the extension line of the shaft axis of the first input shaft 11 intersects the extension line of the shaft axis of the universal joint shaft 12 and the extension line of the shaft axis of the universal joint shaft 12 is collinear with the extension line of the shaft axis of the second input shaft 21; specifically, the first input shaft 11 may or may not be disposed perpendicular to the universal joint shaft 12, and realizes 90 ° direction change of angle transmission and torque transmission, but is not limited to 90 ° direction change; the second input shaft 21 is disposed coaxially with the joint shaft 12. Preferably, an extension line of the shaft axis of the first input shaft 11 is perpendicular to an extension line of the shaft axis of the universal joint shaft 12. The 90-degree direction change of angle transmission and moment transmission is realized.
In other words, the steering system 100 according to the embodiment of the present invention is mainly composed of the reverser 10 and the recirculating ball redirector 20. The commutator 10 comprises a first input shaft 11 and a universal joint shaft 12, the recirculating ball steering gear 20 comprises a second input shaft 21, the output end of the first input shaft 11 is connected with the input end of the universal joint shaft 12, and the output end of the universal joint shaft 12 is connected with the input end of the second input shaft 21; wherein an extended line of the shaft axis of the first input shaft 11 intersects an extended line of the shaft axis of the universal joint shaft 12, and an extended line of the shaft axis of the second input shaft 21 is collinear with an extended line of the shaft axis of the universal joint shaft 12. The first input shaft 11 and the second input shaft 21 are in transmission connection through the universal joint shaft 12, and the direction of the steering input shaft is changed by intersecting the extension line of the shaft axis of the first input shaft 11 and the extension line of the shaft axis of the universal joint shaft 12, so that the requirements of horizontal arrangement and steering are met. The specific structure and operation of the cardan shaft 12 and the recirculating ball steering gear 20 are not described or defined in detail herein, and the cardan shaft 12 and the recirculating ball steering gear 20 are conventional in the art; the second input shaft 21 of the recirculating ball steering gear 20 is disposed at the left end of the recirculating ball steering gear 20, and the output shaft (not shown) of the recirculating ball steering gear 20 is disposed at the lower end of the recirculating ball steering gear 20.
Therefore, according to the steering system 100 of the embodiment of the invention, the commutator 10 is added on the recirculating ball steering gear 20, and the first input shaft 11 of the commutator 10 is in transition transmission connection with the second input shaft 21 of the recirculating ball steering gear 20 through the universal joint shaft 12, so that the direction of the steering input shaft is changed, and the requirements of horizontal arrangement and steering are met; meanwhile, the universal joint shaft 12 is used for absorbing the axial tolerance of the mounting of the second input shaft 21 of the commutator 10 and the recirculating ball steering gear 20, so that the smooth performance of the steering process is ensured, the rotation flexibility is ensured, the clamping stagnation phenomenon is avoided, and the performance of the steering system in the use process is ensured.
According to one embodiment of the present invention, commutator 10 further includes a housing 14.
Specifically, as shown in fig. 1, the housing 14 has a cavity therein, the output end of the first input shaft 11, the input ends of the universal joint shaft 12 and the second input shaft 21 are integrated in the cavity of the housing 14, and the input end of the first input shaft 11 and the output end of the second input shaft 21 are exposed outside the housing 14 and are respectively coupled to corresponding structures. The first input shaft 11, the universal joint shaft 12 and the second input shaft 21 are integrated in the shell 14, so that the structural integration level is higher, the connection is more stable and firm, and the fixing and supporting effects are achieved; the input end of the first input shaft 11 and the output end of the second input shaft 21 are exposed to the outside of the housing 14, facilitating connection between the first input shaft 11 and the second input shaft 21 and other components.
According to one embodiment of the invention, the transmission 13 comprises a first bevel gear 131 and a second bevel gear 132.
Specifically, as shown in fig. 1, a first bevel gear 131 is provided at the output end of the first input shaft 11; a second bevel gear 132 is provided at the input end of the cardan shaft 12; the first bevel gear 131 and the second bevel gear 132 are in meshed transmission connection. That is, a first bevel gear 131 is provided at the lower end of the first input shaft 11, and a second bevel gear 132 is provided at the left end of the universal joint shaft 12. Optionally, the first bevel gear 131 and the second bevel gear 132 are conventional bevel gear structures, and specific structures, working principles and performance parameters of the first bevel gear 131 and the second bevel gear 132 are not described or limited in detail; the design can be selected by those skilled in the art according to the actual situation. Optionally, the first bevel gear 131 and the first input shaft 11 are connected by a key way; the second bevel gear 132 is splined to the cardan shaft 12. Alternatively, the first bevel gear 131 and the first input shaft 11, and the second bevel gear 132 and the universal joint shaft 12 may be connected by other conventional connecting means known in the art.
According to one embodiment of the invention, the commutator 10 further comprises a first support bearing 15. The first support bearing 15 is disposed in the inner cavity of the housing 14 and is fixed on the first input shaft 11. Specifically, the first support bearing 15 is disposed at an inner upper end of the housing 14 and fixedly fitted over an upper end of the first input shaft 11. The first input shaft 11 is supported and fixed, and the first input shaft 11 is axially limited.
According to one embodiment of the invention, the commutator 10 further comprises a second support bearing 16. The second support bearing 16 is disposed in the inner cavity of the housing 14 and is sleeved and fixed on the universal joint shaft 12. Specifically, the second support bearing 16 is disposed in the middle inside the housing 14 and is fixedly fitted on the right side of the universal joint shaft 12, i.e., on the end coupled with the second input shaft 21. The universal joint shaft 12 is supported and fixed, and the universal joint shaft 12 is axially limited.
According to one embodiment of the invention, the commutator 10 further comprises a third support bearing 17. The third support bearing 17 is disposed in the housing 14 and fixed to the second input shaft 21. Specifically, the third support bearing 17 is disposed inside the right side of the housing 14 and is sleeved and fixed on the second input shaft 21. The second input shaft 21 is supported and fixed, and the second input shaft 21 is axially limited.
Alternatively, the specific structure and operation principle of the first support bearing 15, the second support bearing 16 and the third support bearing 17 are not described and limited in detail herein, and may be a deep groove ball bearing or a ball bearing, etc. which are conventional in the art.
According to one embodiment of the invention, the steering system further comprises a locking device 30. The locking device 30 is fixed on the shell 14, and the shell 14 and the recirculating ball steering gear 20 are locked and fixed through the locking device 30. Alternatively, the locking device 30 is not limited to a locking bolt, but may be a fastening mechanism that is conventional in the art.
In summary, according to the steering system 100 of the embodiment of the invention, by adding a commutator to the steering gear, the direction of the steering input shaft is changed by transitionally connecting the first input shaft 11 of the commutator 10 and the second input shaft 21 of the recirculating ball steering gear 20 through the universal joint shaft 12, so as to meet the requirements of horizontal arrangement and steering; meanwhile, by using the universal joint shaft 12, the rotation flexibility is ensured, the clamping stagnation phenomenon is avoided, and the performance of the steering system in the use process is ensured.
A vehicle according to an embodiment of the second aspect of the invention includes the steering system 100 according to the above-described embodiment. Since the steering system 100 according to the embodiment of the present invention has the above technical effects, the vehicle according to the embodiment of the present invention also has the corresponding technical effects of realizing the change of the direction of the steering input shaft, and meeting the requirements of the horizontal arrangement and the steering.
Other structures and operations of the vehicle according to the embodiment of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "illustrative embodiments," "preferred embodiments," "detailed description," or "preferred embodiments" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A steering system, comprising:
a commutator comprising a first input shaft;
a cardan shaft coupled with the first input shaft through a transmission structure;
a recirculating ball diverter including a second input shaft coupled with the cardan shaft;
an extension line of the shaft axis of the universal joint shaft intersects with an extension line of the shaft axis of the first input shaft and is collinear with an extension line of the shaft axis of the second input shaft.
2. The steering system according to claim 1, wherein an extension line of a shaft axis of the first input shaft is perpendicular to an extension line of a shaft axis of the joint shaft.
3. The steering system of claim 2, wherein the commutator further comprises:
the output end of the first input shaft, the input ends of the universal joint shaft and the second input shaft are integrated in the shell, and the input end of the first input shaft and the output end of the second input shaft are exposed out of the shell.
4. The steering system of claim 3, wherein the transmission structure comprises:
the first bevel gear is arranged at the output end of the first input shaft;
the second bevel gear is arranged at the input end of the universal joint shaft;
the first bevel gear and the second bevel gear are in meshed transmission connection.
5. The steering system of claim 4, wherein the first bevel gear and the first input shaft are connected by a spline; and/or the second bevel gear is connected with the universal joint shaft in a key way.
6. The steering system of claim 4, wherein the commutator further comprises:
and the first support bearing is arranged in the shell and sleeved and fixed on the first input shaft.
7. The steering system of claim 6, wherein the diverter further comprises:
and the second supporting bearing is arranged in the shell and sleeved and fixed on the universal joint shaft.
8. The steering system of claim 7, wherein the commutator further comprises:
and the third support bearing is arranged in the shell and sleeved and fixed on the second input shaft.
9. The steering system of claim 3, further comprising:
and the locking device is fixed on the shell, and the shell and the recirculating ball steering gear are locked and fixed through the locking device.
10. A vehicle characterized by comprising the steering system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264720.8A CN110979446A (en) | 2019-12-11 | 2019-12-11 | Steering system and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264720.8A CN110979446A (en) | 2019-12-11 | 2019-12-11 | Steering system and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110979446A true CN110979446A (en) | 2020-04-10 |
Family
ID=70092316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911264720.8A Pending CN110979446A (en) | 2019-12-11 | 2019-12-11 | Steering system and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110979446A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930764A (en) * | 1961-03-07 | 1963-07-10 | Bray Construction Equipment Lt | Improvements in or relating to steering gear for vehicles |
| US3918544A (en) * | 1973-10-27 | 1975-11-11 | Zahnradfabrik Friedrichshafen | Motor vehicle steering gear |
| CN201283889Y (en) * | 2008-09-24 | 2009-08-05 | 江苏格尔顿传动有限公司 | Automobile deflection angle steering commutator apparatus |
| CN102735107A (en) * | 2012-06-29 | 2012-10-17 | 杭州神盾特种车辆有限公司 | Bulletproof and landmine-proof anti-terrorist assault vehicle |
| CN105128922A (en) * | 2015-09-21 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Automobile steering mechanism and automobile |
-
2019
- 2019-12-11 CN CN201911264720.8A patent/CN110979446A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930764A (en) * | 1961-03-07 | 1963-07-10 | Bray Construction Equipment Lt | Improvements in or relating to steering gear for vehicles |
| US3918544A (en) * | 1973-10-27 | 1975-11-11 | Zahnradfabrik Friedrichshafen | Motor vehicle steering gear |
| CN201283889Y (en) * | 2008-09-24 | 2009-08-05 | 江苏格尔顿传动有限公司 | Automobile deflection angle steering commutator apparatus |
| CN102735107A (en) * | 2012-06-29 | 2012-10-17 | 杭州神盾特种车辆有限公司 | Bulletproof and landmine-proof anti-terrorist assault vehicle |
| CN105128922A (en) * | 2015-09-21 | 2015-12-09 | 安徽江淮汽车股份有限公司 | Automobile steering mechanism and automobile |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |
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| RJ01 | Rejection of invention patent application after publication |