CN111874086B - Steering gear support and vehicle steering device - Google Patents
Steering gear support and vehicle steering device Download PDFInfo
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- CN111874086B CN111874086B CN202010652115.4A CN202010652115A CN111874086B CN 111874086 B CN111874086 B CN 111874086B CN 202010652115 A CN202010652115 A CN 202010652115A CN 111874086 B CN111874086 B CN 111874086B
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- steering gear
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- frame
- mounting holes
- annular structure
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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
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Abstract
The application discloses steering gear support and vehicle turn to device relates to steering gear installation technical field, the steering gear support includes: a frame mounting portion; the frame mounting part and the steering gear mounting part are arranged in a relative staggered manner; a connecting portion configured as a special-shaped annular structure; the frame installation department is connected on the outer fringe of loop configuration one end, the shutoff of steering gear installation department the opening of loop configuration's the other end, and partial steering gear mounting hole is located in the loop configuration, partial steering gear mounting hole is located outside the loop configuration. This application can still improve the intensity of steering gear support when reducing steering gear support weight.
Description
Technical Field
The application relates to the technical field of steering gear installation, in particular to a steering gear support and a vehicle steering device.
Background
The steering gear bracket is fixedly arranged on a vehicle frame to bear and rotate the steering gear, and is a bridge connecting the steering gear and a steering operation part. The steering gear bracket is often used for supporting and fixing the steering gear and is subjected to the gravity, torque, and the like of the steering gear, and therefore, the steering gear bracket is required to have sufficient structural stability and high bearing capacity.
Generally, the steering gear bracket has a complex structure and a heavy weight, and the steering gear bracket is easily interfered with a steering gear or a vehicle frame when being installed, and the complex structure easily causes the defects of the unstable installation and poor reliability of the steering gear bracket.
In the related art, in order to avoid the movement space of the suspension arm on the steering gear, there is mostly no closed structure between the connection parts at the two ends of the steering gear bracket, but although this kind of structure can solve the interference problem when the steering gear is installed, the drawback of poor structural stability of the steering gear bracket also appears.
Disclosure of Invention
The embodiment of the application provides a steering gear support and vehicle turn to device, can be when reducing steering gear support weight, still improved steering gear support's intensity.
In one aspect, an embodiment of the present application provides a steering gear bracket, including:
a frame mounting portion;
the frame mounting part and the steering gear mounting part are arranged in a relative staggered manner;
a connecting portion configured as a special-shaped annular structure; the frame installation department is connected on the outer fringe of loop configuration one end, the shutoff of steering gear installation department the opening of loop configuration's the other end, and partial steering gear mounting hole is located in the loop configuration, partial steering gear mounting hole is located outside the loop configuration.
In this embodiment, preferably, the annular structure is a closed ring formed by enclosing a plurality of planar plates and a plurality of transitional arc curved plates together.
Preferably, the wall thickness of the ring-shaped structure is greater than 10 mm.
Preferably, the frame mounting portion, the steering gear mounting portion, and the connecting portion are integrally formed.
Preferably, the frame installation portion is a first installation plate, the steering gear installation portion is a second installation plate, and the second installation plate is opposite to the first installation plate in an inclined manner.
Preferably, a plurality of frame mounting holes are formed in the first mounting plate, and the frame mounting holes are annularly distributed on the same virtual circle.
Preferably, the corresponding central angle of the two outermost frame mounting holes on the virtual circle is an obtuse angle.
Preferably, the outer edge of the second mounting plate between the outermost two of the diverter mounting holes is recessed inwardly; and/or
The outer edge of the first mounting plate between two adjacent vehicle frame mounting holes is recessed inwards.
Preferably, the number of the steering gear mounting holes outside the annular structure is two, and the two steering gear mounting holes are positioned at the outermost side of all the steering gear mounting holes.
On the other hand, the embodiment of this application still provides a vehicle steering device, the steering device includes:
a frame having a first mating portion;
a diverter having a second interface portion;
the steering gear support is as above, the steering gear support is located between the first butt joint portion and the second butt joint portion, just the frame installation portion with the first butt joint portion links to each other, the steering gear installation portion with the second butt joint portion links to each other.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a steering gear support and vehicle turn to device, can be the annular structure through the connecting portion structure between frame installation department and the steering gear installation department, this annular structure is the adapting unit who connects frame installation department and steering gear installation department promptly, also be the strengthening rib for improving steering gear support overall structure intensity, and simultaneously, a plurality of steering gear mounting holes on the steering gear installation department, lay in annular structure's the inside and outside, can balanced bearing steering gear, further improve the structural stability of steering gear support. In the aspect of manufacturing, the structure of the embodiment of the application is compact and simple, and the processing and the manufacturing are easy; in the aspect of installation, the frame installation part and the steering gear installation part are staggered relatively, butt joint installation is facilitated, and meanwhile, an installation space is provided for a steering gear installation hole in the annular structure on the steering gear installation part through the inner cavity of the annular structure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a front view of a steering gear bracket according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a rear view of a steering gear bracket according to an embodiment of the present application;
fig. 4 is a perspective view of a steering gear bracket according to an embodiment of the present application;
fig. 5 is an axial view of a vehicle steering apparatus according to an embodiment of the present application;
FIG. 6 is an enlarged view of the diverter bracket and diverter of FIG. 5;
FIG. 7 is an assembly view from another perspective of FIG. 6;
in the figure: 1. a frame mounting portion; 10. a frame mounting hole; 11. a first boss; 2. a steering gear mounting portion; 20. a diverter mounting hole; 21. a second boss; 3. a connecting portion; 31. a flat plate; 32. a transition arc curved plate; 4. a frame; 40. a first mating portion; 5. a diverter; 50. a second docking portion; A. the center of the output shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
Referring to fig. 1 to 4, the steering gear bracket provided by the embodiment of the present application includes a frame mounting portion 1, a steering gear mounting portion 2 and a connecting portion 3, the steering gear mounting portion 2 is provided with a plurality of steering gear mounting holes 20, and the frame mounting portion 1 and the steering gear mounting portion 2 are arranged in a staggered manner; the connecting portion 3 is configured as a special-shaped annular structure; the frame installation part 1 is connected on the outer edge of one end of the annular structure, the steering gear installation part 2 blocks the opening at the other end of the annular structure, partial steering gear installation holes 20 are located in the annular structure, and partial steering gear installation holes 20 are located outside the annular structure.
In the embodiment of the present application, the steering gear bracket includes a frame mounting portion 1, a steering gear mounting portion 2, and a connecting portion 3. Firstly, a connecting part 3 between a frame mounting part 1 and a steering gear mounting part 2 is constructed into an annular structure, namely a connecting part for connecting the frame mounting part 1 and the steering gear mounting part 2, and a reinforcing rib for improving the overall structural strength of a steering gear bracket; the annular structure is provided with a cavity, so that the weight of the steering gear support can be effectively reduced, the lightweight design is carried out to the maximum extent, and meanwhile, the inner cavity of the annular structure also provides a mounting space for a steering gear mounting hole in the annular structure on the steering gear mounting part. Secondly, frame installation department 1, the setting of staggering relatively of steering gear installation department 2 can be directly made things convenient for the installation of steering gear mounting hole 20, have also avoided unnecessary structure to increase the weight of steering gear support or still need provide great installation space and hold the steering gear support. And thirdly, a plurality of steering gear mounting holes 20 on the steering gear mounting part 2 are arranged on the inner side and the outer side of the annular structure, so that the steering gears can be uniformly loaded, and the structural stability of the steering gear support is further improved.
It can be seen that, in terms of manufacturing, the frame mounting part 1 of the embodiment of the application is arranged at the outer edge of one end of the connecting part 3, the steering gear mounting part 2 plugs the other end of the connecting part, and the steering gear mounting part and the frame mounting part 1 are staggered relatively, so that the die casting is facilitated, the processing and the manufacturing are easy, and the structure is compact and simple; in the aspect of installation, the inner cavity of the annular structure also provides an installation space for a steering gear installation hole 20 in the annular structure on the steering gear installation part 2, the frame installation part 1 and the steering gear installation part 2 are staggered relatively, the installation of the frame installation part 1 and the steering gear installation part 2 is not interfered with each other, and butt joint installation is facilitated.
Verifiably, through computer aided engineering analysis, compare in the lateral wall of connecting portion for the steering gear support of no enclosed construction, the weight of the steering gear support that this application provided reduces 5%, and intensity promotes 15%.
Specifically, the steering gear support provided by the application can be obtained by computer aided engineering analysis (CAE) software topology optimization, the lightweight design of the steering gear support can be realized to the greatest extent, and the stability of the overall mechanical property of the structure of the steering gear support is ensured, so that the installation is more reliable and the reliability is good.
Further, the annular structure is a closed ring formed by enclosing a plurality of plane plates 31 and a plurality of transition arc curved plates 32 together. The closed ring effectively improves the connection strength of the frame mounting part 1 and the steering gear mounting part 2, and the adjacent plane plates 31 are connected through the transition arc curved plates, so that stress concentration is avoided, and the strength of the steering gear support is effectively improved.
Further, the smallest transition circular arc radius of the plurality of transition circular arc curved plates 32 is larger than 4 mm. In this embodiment, the minimum transition arc radius is 5 mm. The radius can save materials of the annular structure, and can also avoid stress concentration of the steering gear support in the use process, thereby effectively improving the strength of the steering gear support.
In order to ensure the strength of the steering gear support, the wall thickness of the annular structure is larger than 10 mm. Specifically, in the present embodiment, the wall thickness is 12mm, and in the computer aided engineering analysis, when the wall thickness is greater than 10mm, the strength of the steering gear bracket can reach the design expectation, and when the wall thickness is 12mm, the steering gear bracket can have stable strength, and the lightweight design of the steering gear bracket can be ensured.
Preferably, the frame mounting portion 1, the steering gear mounting portion 2, and the connecting portion 3 are integrally formed. This integrated into one piece does frame installation department 1 steering gear installation department 2 reaches connecting portion 3 obtains through the integrative casting processing of mould, and the joint strength can more be guaranteed to the structure of integration, and steering gear installation department staggers with frame installation department 1 relatively, and the mould casting of being convenient for easily manufacturing still possesses compact structure simply.
As shown in fig. 2, the frame mounting portion 1 is a first mounting plate, the steering gear mounting portion 2 is a second mounting plate, and the second mounting plate is disposed to be inclined with respect to the first mounting plate. The steering gear support in this application can use on the steering gear that has great corner, and the inclination alpha of second mounting panel for first mounting panel is according to the actual angle between steering gear and the frame and is derived.
As shown in fig. 7, in order to ensure the connection strength of the present embodiment, a plurality of frame mounting holes 10 are further formed in the first mounting plate, and the frame mounting holes 10 are annularly distributed on the same imaginary circle. In this embodiment, when the center of the virtual circle approximately coincides with the output shaft center a of the steering gear, it can be known through force analysis that when the output shaft center a of the steering gear approximately coincides with the centers of all the frame mounting holes 10, the structural force of the steering gear bracket is uniformly applied, so that the torque of the steering gear bracket is uniformly transmitted and decomposed, the output torque of the steering gear is decomposed to each place, and the strength of the steering gear bracket is effectively improved.
Specifically, the corresponding central angles of the two outermost frame mounting holes 10 on the virtual circle are obtuse angles. The corresponding central angle is an obtuse angle, that is, all the frame mounting holes 10 are distributed on the virtual circle in a large-angle manner, so that partial torque can be effectively balanced, and the strength of the steering gear bracket is improved.
Preferably, the outer edge of the second mounting plate between the outermost two of the diverter mounting holes 20 is recessed inwardly; and/or the outer edge of the first mounting plate between two adjacent frame mounting holes 10 is recessed inwards. Inwards cave in and set up, under the prerequisite of guaranteeing joint strength, reduce unnecessary weight, realize the lightweight design of this application embodiment. Meanwhile, the outer edge of the second mounting plate between the two outermost steering gear mounting holes 20 is recessed inwards, so that a wider mounting space can be provided for the steering gear, and the mounting is facilitated.
Meanwhile, in the embodiment of the application, the inwards recessed parts are all arranged in an arc shape, so that stress concentration is reduced, and the strength of the steering gear support is improved.
Further, the steering gear bracket has a certain mounting space in the assembly with the output shaft of the steering gear. In this embodiment, the center of the virtual circle is located outside the space enclosed by all the steering gear mounting holes 20, that is, the output shaft center a of the steering gear is located outside the space enclosed by the steering gear mounting holes 20, which can facilitate the mounting of the mounting device.
Specifically, the number of the steering gear mounting holes 20 outside the ring structure is two, and the two steering gear mounting holes 20 are located at the outermost side of all the steering gear mounting holes 20. The steering gear mounting hole 20 outside the annular structure is arranged on the outermost side, so that larger moment can be balanced, and the connection reliability of the steering gear support is ensured.
Specifically, a second boss 21 is further arranged around the steering gear mounting hole 20; and/or a first boss 11 is further arranged on the periphery of the frame mounting hole 10, and the first boss 11 is positioned on one side, far away from the second mounting plate, of the first mounting plate. In this embodiment, the first boss 11 or the second boss 21 is protruded on the plate surface, and when the mounting portion needs to be finished, the first boss 11 or the second boss 21 is finished, so that the abrasion to the whole steering gear bracket is reduced.
Referring to fig. 5 to 7, an embodiment of the present application further provides a vehicle steering apparatus, including:
a frame 4 having a first mating portion 40;
a diverter 5 having a second docking portion 50;
the steering gear bracket is the steering gear bracket as described above, the steering gear bracket is located between the first butt joint portion 40 and the second butt joint portion 50, the frame mounting portion 1 is connected to the first butt joint portion 40, and the steering gear mounting portion 2 is connected to the second butt joint portion 50.
In the embodiment of the present application, the concrete structure of first butt joint portion 40, second butt joint portion 50 all adapt to frame installation portion 1, steering gear installation portion 2 set up, second butt joint portion 50 on the steering gear 5 with 2 butt joints of steering gear installation portion and rigid coupling will frame installation portion 1 with first butt joint portion 40 butt joint and rigid coupling on frame 4, simultaneously, frame installation portion 1 with the mutual noninterference when the installation of steering gear 5 and frame 4 has also been guaranteed in the setting of staggering relatively of steering gear installation portion 2, has guaranteed installation efficiency.
In practical application, the steering gear 5 has a certain angle with the frame 4, so the frame mounting part 1 is a first mounting plate, the steering gear mounting part 2 is a second mounting plate, and the second mounting plate is obliquely arranged relative to the first mounting plate. The width that sets up connecting portion 3 is the gradual change formula, can guarantee to level and smoothly dock with the second mounting panel of steering gear 5 butt joint, connects firmly reliably.
In order to ensure the connection strength of the present embodiment, further, a plurality of frame mounting holes 10 are formed in the first mounting plate, and the frame mounting holes 10 are annularly distributed on the same virtual circle. In this embodiment, when the center of the virtual circle approximately coincides with the output shaft center a of the steering gear, it can be known through force analysis that when the output shaft center a of the steering gear approximately coincides with the centers of all the frame mounting holes 10, the structural force of the steering gear bracket is uniformly applied, so that the torque of the steering gear bracket is uniformly transmitted and decomposed, the output torque of the steering gear is decomposed to each place, and the strength of the steering gear bracket is effectively improved.
Meanwhile, in order to ensure the installation space of the steering gear 5, the outer edge of the second installation plate between the two steering gear installation holes 20 at the outermost side is recessed inwards, so that the weight of the steering gear bracket is reduced, and convenience is provided for the installation of the steering gear 5. The steering gear mounting hole 20 outside the annular structure is arranged on the outermost side, so that more torque can be balanced, and the connection reliability of the steering gear support is ensured.
The steering gear bracket in the embodiment of the present application has the same structure or principle as the steering gear bracket described above, and is not described herein again.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A steering gear bracket, characterized in that the steering gear bracket comprises:
a frame mounting portion (1);
the steering gear mounting part (2) is provided with a plurality of steering gear mounting holes (20), and the frame mounting part (1) and the steering gear mounting part (2) are arranged in a relatively staggered manner;
a connecting portion (3) configured as a special-shaped annular structure; the frame mounting part (1) is connected to the outer edge of one end of the annular structure, the steering gear mounting part (2) blocks the opening of the other end of the annular structure, part of the steering gear mounting holes (20) are located in the annular structure, and part of the steering gear mounting holes (20) are located outside the annular structure;
the frame mounting part (1) is a first mounting plate, the steering gear mounting part (2) is a second mounting plate, and the second mounting plate is obliquely arranged relative to the first mounting plate;
a plurality of frame mounting holes (10) are formed in the first mounting plate, and the frame mounting holes (10) are annularly distributed on the same virtual circle;
the central angles of the two outermost frame mounting holes (10) on the virtual circle are obtuse angles;
the outer edge of the second mounting plate between the two outermost diverter mounting holes (20) is recessed inwards; and/or
The outer edge of the first mounting plate between two adjacent frame mounting holes (10) is recessed inwards.
2. The steering gear bracket according to claim 1, characterized in that the ring-shaped structure is a closed ring formed by a plurality of plane plates (31) and a plurality of transition circular arc curved plates (32).
3. The diverter support according to claim 1, wherein the annular structure has a wall thickness greater than 10 mm.
4. Steering gear bracket according to claim 1, characterized in that the frame mounting (1), the steering gear mounting (2) and the connecting part (3) are integrally formed.
5. The steering gear bracket as recited in claim 1, characterized in that the number of the steering gear mounting holes (20) outside the ring structure is two, and the two steering gear mounting holes (20) are located at the outermost side of all the steering gear mounting holes (20).
6. A vehicle steering device, characterized by comprising:
a vehicle frame (4) having a first mating portion (40);
a diverter (5) having a second docking portion (50);
the steering gear support is as claimed in any one of claims 1 to 5, and is located between the first butt joint portion (40) and the second butt joint portion (50), the frame mounting portion (1) is connected with the first butt joint portion (40), and the steering gear mounting portion (2) is connected with the second butt joint portion (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652115.4A CN111874086B (en) | 2020-07-08 | 2020-07-08 | Steering gear support and vehicle steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652115.4A CN111874086B (en) | 2020-07-08 | 2020-07-08 | Steering gear support and vehicle steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111874086A CN111874086A (en) | 2020-11-03 |
| CN111874086B true CN111874086B (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010652115.4A Active CN111874086B (en) | 2020-07-08 | 2020-07-08 | Steering gear support and vehicle steering device |
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| CN (1) | CN111874086B (en) |
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| JPH11105750A (en) * | 1997-10-01 | 1999-04-20 | Nissan Diesel Motor Co Ltd | Structure of gear box bracket |
| CN201971055U (en) * | 2011-01-06 | 2011-09-14 | 北汽福田汽车股份有限公司 | Steering gear support and steering gear mounting structure |
| CN204415503U (en) * | 2015-02-04 | 2015-06-24 | 中国重汽集团济南动力有限公司 | A kind of heavy-duty car direction converter holder device |
| CN105135182A (en) * | 2015-08-31 | 2015-12-09 | 中国工程物理研究院总体工程研究所 | Multi-direction adjustable mounting bracket of displacement sensor of centrifugal machine model box |
| CN205469253U (en) * | 2016-01-13 | 2016-08-17 | 中国重汽集团济南动力有限公司 | Lightweight steering gear support |
| CN206086852U (en) * | 2016-08-18 | 2017-04-12 | 安徽江淮汽车集团股份有限公司 | Truck steering gear support |
| CN207106606U (en) * | 2017-08-30 | 2018-03-16 | 东风商用车有限公司 | A kind of steering gear bracket |
| CN208085794U (en) * | 2018-03-07 | 2018-11-13 | 北京福田戴姆勒汽车有限公司 | Steering gear bracket and vehicle |
-
2020
- 2020-07-08 CN CN202010652115.4A patent/CN111874086B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105750A (en) * | 1997-10-01 | 1999-04-20 | Nissan Diesel Motor Co Ltd | Structure of gear box bracket |
| CN201971055U (en) * | 2011-01-06 | 2011-09-14 | 北汽福田汽车股份有限公司 | Steering gear support and steering gear mounting structure |
| CN204415503U (en) * | 2015-02-04 | 2015-06-24 | 中国重汽集团济南动力有限公司 | A kind of heavy-duty car direction converter holder device |
| CN105135182A (en) * | 2015-08-31 | 2015-12-09 | 中国工程物理研究院总体工程研究所 | Multi-direction adjustable mounting bracket of displacement sensor of centrifugal machine model box |
| CN205469253U (en) * | 2016-01-13 | 2016-08-17 | 中国重汽集团济南动力有限公司 | Lightweight steering gear support |
| CN206086852U (en) * | 2016-08-18 | 2017-04-12 | 安徽江淮汽车集团股份有限公司 | Truck steering gear support |
| CN207106606U (en) * | 2017-08-30 | 2018-03-16 | 东风商用车有限公司 | A kind of steering gear bracket |
| CN208085794U (en) * | 2018-03-07 | 2018-11-13 | 北京福田戴姆勒汽车有限公司 | Steering gear bracket and vehicle |
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|---|---|
| CN111874086A (en) | 2020-11-03 |
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