CN111114617A - Vehicle and steering transmission system thereof - Google Patents
Vehicle and steering transmission system thereof Download PDFInfo
- Publication number
- CN111114617A CN111114617A CN202010067837.3A CN202010067837A CN111114617A CN 111114617 A CN111114617 A CN 111114617A CN 202010067837 A CN202010067837 A CN 202010067837A CN 111114617 A CN111114617 A CN 111114617A
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- arm
- bogie
- steering
- knuckle
- vertical
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention relates to a vehicle and a steering transmission system thereof, wherein the steering transmission system comprises: the bogie is provided with a driving connecting part, and the driving connecting part is used for being in transmission connection with the steering gear; the two steering knuckle arms are respectively arranged on two sides of the bogie; a knuckle arm tie rod disposed between the bogie and a corresponding knuckle arm; further comprising: the vertical arm is used for driving and connecting the knuckle arm pull rod with a bogie, and the height of the bogie is higher than that of the knuckle arm pull rod so that the bogie avoids components on a frame; or the vertical arm is in transmission connection between the knuckle arm pull rod and the corresponding steering knuckle arm, and the height of the knuckle arm pull rod is higher than that of the steering knuckle arm, so that the bogie avoids components on the frame. The invention can lift the bogie by a certain height, realize the layered arrangement of the bogie and the knuckle arm, further avoid the bogie from components on the frame and avoid the interference between the bogie and the components on the frame.
Description
Technical Field
The invention relates to a vehicle and a steering transmission system thereof.
Background
The independent suspension usually adopts a disconnected steering trapezoid, and has the advantages that: the disconnected steering trapezoids are matched with the front wheels through the independent suspension, and the wheels on one side cannot be affected when jumping up and down.
Chinese patent No. CN201415706Y discloses a steering system for an air independent suspension, which comprises a steering gear and a steering rod system, wherein the steering rod system comprises a left and a right knuckle arms, a left and a right tie rods, a left and a right middle rocker arms, a middle tie rod and a steering drag link; the left and right middle rocker arms are respectively connected with the chassis through pin shafts, two ends of a middle pull rod are hinged to the middle parts of the left and right middle rocker arms, two ends of a left and right tie rod are respectively hinged with a left and right knuckle arm and the left and right middle rocker arms in a ball hinge mode, the left and right knuckle arms are respectively fixed on the knuckle of a left and right wheel, and two ends of a steering straight pull rod are respectively hinged to the knuckle arm and the left middle rocker arm in a ball hinge mode.
The left and right tie rods of the steering system are directly hinged with the left and right knuckle arms and the left and right middle rocker arms at two ends respectively, so that the height difference between the knuckle arms and the middle rocker arms of the steering system is small, the steering system can be used on common vehicles, but for vehicles with more components arranged on a vehicle frame, the middle rocker arms are easy to interfere with the components on the vehicle frame.
Disclosure of Invention
The invention aims to provide a steering transmission system, which aims to solve the technical problem that in the prior art, for a vehicle with more parts arranged on a vehicle frame, an intermediate rocker arm is easy to interfere with the parts on the vehicle frame; the invention also aims to provide a vehicle, which solves the technical problem that the interference between the middle rocker arm and the part on the vehicle frame is easy to occur in the vehicle with more parts arranged on the vehicle frame in the prior art.
In order to achieve the purpose, the technical scheme of the steering transmission system is as follows:
a steer drive system, comprising:
the bogie is provided with a driving connecting part, and the driving connecting part is used for being in transmission connection with the steering gear;
the two steering knuckle arms are respectively arranged on two sides of the bogie;
a knuckle arm tie rod disposed between the bogie and a corresponding knuckle arm;
further comprising:
the vertical arm is used for connecting the knuckle arm pull rod with a bogie in a transmission way, the height of the bogie is higher than that of the knuckle arm pull rod so that the bogie avoids a part on a frame, and one end of the knuckle arm pull rod, which is far away from the bogie, is in spherical hinge with the corresponding knuckle arm;
or the vertical arm is in transmission connection between the knuckle arm pull rod and the corresponding steering knuckle arm, and the height of the knuckle arm pull rod is higher than that of the steering knuckle arm, so that the bogie avoids components on the frame.
The beneficial effects are that: through set up vertical arm between knuckle arm pull rod and bogie or knuckle arm pull rod and corresponding knuckle arm to make the height that highly is less than the bogie of knuckle arm pull rod or make the height that highly is higher than the knuckle arm of knuckle arm pull rod, in order to promote the bogie certain height, realize bogie and the layering of knuckle arm and set up, and then make the bogie dodge the part on the frame, avoid the part on bogie and the frame to take place to interfere.
Furthermore, the upper part and the lower part of the vertical arm are respectively provided with an upper rocker arm and a lower rocker arm in a rotation stopping way;
the bogie is hinged with one end of the upper rocker arm, which is far away from the vertical arm, so that the transmission connection between the bogie and the vertical arm is realized;
the knuckle arm pull rod is hinged with one end, far away from the vertical arm, of the lower rocker arm so as to realize transmission connection of the knuckle arm pull rod and the vertical arm;
the vertical arm has an engagement portion for rotational mounting on a vehicle frame.
The beneficial effects are that: because the vertical arm is generally longer, the vertical arm is rotatably assembled on the frame and is hinged with the bogie and the knuckle arm pull rod through the upper rocker arm and the lower rocker arm, the interference with the frame can be avoided, and the stability in the power transmission process can be ensured.
Furthermore, the steering transmission system comprises a flange fixing seat, and the flange fixing seat is used for being fixed on the frame;
the vertical arm is assembled on the flange fixing seat in a rotating mode and is in axial limiting fit with the flange fixing seat along the vertical arm, and therefore the vertical arm is assembled on the frame in a rotating mode.
The beneficial effects are that: the flange fixing seat is convenient to connect and is convenient to fix on the frame, so that the vertical arm is rotatably assembled on the frame.
Furthermore, the flange fixing seats are provided with at least two, at least one of the flange fixing seats is arranged on the lower portion of the vertical arm, and at least one of the flange fixing seats is arranged on the upper portion of the vertical arm.
The beneficial effects are that: all set up at least one flange fixing base through upper portion and lower part at vertical arm to guarantee vertical arm and rotate the stability of in-process.
Further, the flange fixing seat arranged on the upper portion of the vertical arm is located below the upper rocker arm.
The beneficial effects are that: to the vertical arm of same length, set up the flange fixing base on vertical arm upper portion in the below of last rocking arm, can further improve the height of going up the rocking arm, and then improve the height of bogie.
Further, the vertical arm comprises a spline section, and the upper rocker arm and the lower rocker arm are both in spline assembly with the vertical arm through the spline.
The beneficial effects are that: the spline realizes the rotation stopping of the vertical arm and the corresponding rocker arm, the stress is uniform, the stability is good, and meanwhile, the included angle between the two rocker arms can be adjusted in a small range so as to meet the transmission requirement.
Furthermore, the spline on the spline section is a conical spline, the vertical arm further comprises an external thread section, and the spline section on the vertical arm is matched with the corresponding rocker arm and then compresses the corresponding rocker arm on the spline section through a nut on the external thread section so as to realize the rotation stopping assembly of the vertical arm and the corresponding rocker arm.
The beneficial effects are that: the spline on the spline section is designed into a conical spline, and the corresponding rocker arm is tightly pressed on the spline section through the nut, so that the rotation stopping assembly of the vertical arm and the corresponding rocker arm is realized, and the operation is simple and convenient.
Furthermore, the bogie comprises two steering pull rods, one end of each steering pull rod is in transmission connection with the vertical arm, and the other end of each steering pull rod is the driving connection part.
The beneficial effects are that: the bogie is divided into a plurality of parts, connecting points are increased, certain relative movement between the parts is allowed during steering, and the two wheels are not greatly influenced.
Furthermore, the bogie comprises a driving rotating arm and a driven rotating arm, and a rotating arm pull rod is arranged between the driving rotating arm and the driven rotating arm;
the driving connecting part is arranged on the driving rotating arm;
the driving rotating arm and the driven rotating arm are in transmission connection with the corresponding vertical arms respectively.
The beneficial effects are that: the bogie is divided into a plurality of parts, connecting points are increased, certain relative movement between the parts is allowed during steering, and the two wheels are not greatly influenced.
In order to achieve the purpose, the technical scheme of the vehicle is as follows:
a vehicle comprising a frame and a steer drive, the steer drive comprising:
the bogie is provided with a driving connecting part, and the driving connecting part is used for being in transmission connection with the steering gear;
the two steering knuckle arms are respectively arranged on two sides of the bogie;
a knuckle arm tie rod disposed between the bogie and a corresponding knuckle arm;
further comprising:
the vertical arm is used for connecting the knuckle arm pull rod with a bogie in a transmission way, the height of the bogie is higher than that of the knuckle arm pull rod so that the bogie avoids a part on a frame, and one end of the knuckle arm pull rod, which is far away from the bogie, is in spherical hinge with the corresponding knuckle arm;
or the vertical arm is used for connecting the knuckle arm pull rod with the corresponding steering knuckle arm in a transmission manner, the height of the knuckle arm pull rod is higher than that of the steering knuckle arm so that the steering frame can avoid parts on the vehicle frame, and one end, far away from the corresponding steering knuckle arm, of the knuckle arm pull rod is in spherical hinge with the steering frame.
The beneficial effects are that: through set up vertical arm between knuckle arm pull rod and bogie or knuckle arm pull rod and corresponding knuckle arm to make the height that highly is less than the bogie of knuckle arm pull rod or make the height that highly is higher than the knuckle arm of knuckle arm pull rod, in order to promote the bogie certain height, realize bogie and the layering of knuckle arm and set up, and then make the bogie dodge the part on the frame, avoid the part on bogie and the frame to take place to interfere.
Furthermore, the upper part and the lower part of the vertical arm are respectively provided with an upper rocker arm and a lower rocker arm in a rotation stopping way;
the bogie is hinged with one end of the upper rocker arm, which is far away from the vertical arm, so that the transmission connection between the bogie and the vertical arm is realized;
the knuckle arm pull rod is hinged with one end, far away from the vertical arm, of the lower rocker arm so as to realize transmission connection of the knuckle arm pull rod and the vertical arm;
the vertical arm has an engagement portion for rotational mounting on a vehicle frame.
The beneficial effects are that: because the vertical arm is generally longer, the vertical arm is rotatably assembled on the frame and is hinged with the bogie and the knuckle arm pull rod through the upper rocker arm and the lower rocker arm, the interference with the frame can be avoided, and the stability in the power transmission process can be ensured.
Furthermore, the steering transmission system comprises a flange fixing seat, and the flange fixing seat is used for being fixed on the frame;
the matching part is in running fit with the flange fixing seat and is in axial limiting fit with the flange fixing seat along the vertical arm so as to realize the rotating assembly of the vertical arm on the frame.
The beneficial effects are that: the flange fixing seat is convenient to connect and is convenient to fix on the frame, so that the vertical arm is rotatably assembled on the frame.
Furthermore, the flange fixing seats are provided with at least two, at least one of the flange fixing seats is arranged on the lower portion of the vertical arm, and at least one of the flange fixing seats is arranged on the upper portion of the vertical arm.
The beneficial effects are that: all set up at least one flange fixing base through upper portion and lower part at vertical arm to guarantee vertical arm and rotate the stability of in-process.
Further, the flange fixing seat arranged on the upper portion of the vertical arm is located below the upper rocker arm.
The beneficial effects are that: to the vertical arm of same length, set up the flange fixing base on vertical arm upper portion in the below of last rocking arm, can further improve the height of going up the rocking arm, and then improve the height of bogie.
Further, the vertical arm comprises a spline section, and the upper rocker arm and the lower rocker arm are both in spline assembly with the vertical arm through the spline.
The beneficial effects are that: the spline realizes the rotation stopping of the vertical arm and the corresponding rocker arm, the stress is uniform, the stability is good, and meanwhile, the included angle between the two rocker arms can be adjusted in a small range so as to meet the transmission requirement.
Furthermore, the spline on the spline section is a conical spline, the vertical arm further comprises an external thread section, and the spline section on the vertical arm is matched with the corresponding rocker arm and then compresses the corresponding rocker arm on the spline section through a nut on the external thread section so as to realize the rotation stopping assembly of the vertical arm and the corresponding rocker arm.
The beneficial effects are that: the spline on the spline section is designed into a conical spline, and the corresponding rocker arm is tightly pressed on the spline section through the nut, so that the rotation stopping assembly of the vertical arm and the corresponding rocker arm is realized, and the operation is simple and convenient.
Furthermore, the bogie comprises two steering pull rods, one end of each steering pull rod is in transmission connection with the vertical arm, and the other end of each steering pull rod is the driving connection part.
The beneficial effects are that: the bogie is divided into a plurality of parts, connecting points are increased, certain relative movement between the parts is allowed during steering, and the two wheels are not greatly influenced.
Furthermore, the bogie comprises a driving rotating arm and a driven rotating arm, and a rotating arm pull rod is arranged between the driving rotating arm and the driven rotating arm;
the driving connecting part is arranged on the driving rotating arm;
the driving rotating arm and the driven rotating arm are in transmission connection with the corresponding vertical arms respectively.
The beneficial effects are that: the bogie is divided into a plurality of parts, connecting points are increased, certain relative movement between the parts is allowed during steering, and the two wheels are not greatly influenced.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of a steering transmission system of the present invention;
FIG. 2 is a schematic structural view of embodiment 2 of the steering transmission system of the present invention;
FIG. 3 is a schematic structural view of embodiment 3 of the steering transmission system of the present invention;
FIG. 4 is a schematic structural view of embodiment 4 of the steering transmission system of the present invention;
FIG. 5 is a schematic structural view of embodiment 5 of the steering transmission system of the present invention;
in the figure: 1-a wheel assembly; 2-a knuckle arm; 3-arm link; 4-upper flange fixing seat; 5-upper rocker arm; 6-a steering tie rod; 7-a diverter; 8-steering drop arm; 9-lower rocker arm; 10-spline section; 11-small diameter section; 12-lower flange fixing seat; 13-external thread section; 14-a vertical arm; 15-active tumbler; 16-a driven tumbler; 17-a tumbler lever; 18-a first articulated shaft; 19-a second articulated shaft; 20-transition arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be 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 features and properties of the present invention are described in further detail below with reference to examples.
as shown in fig. 1, the steering transmission system is provided between two wheel assemblies 1. The steering transmission system comprises a bogie, a knuckle arm pull rod 3 and a knuckle arm 2, wherein a vertical arm 14 is connected between the bogie and the knuckle arm pull rod 3 in a transmission manner, and the vertical arm 14 is assembled on the frame in a rotating manner; the number of the knuckle arms 2 is two, one end of each knuckle arm 2 is fixedly connected with a knuckle of the corresponding wheel assembly 1, and the other end of each knuckle arm is hinged with the corresponding knuckle arm pull rod 3, so that when the bogie rotates, the knuckle arm pull rods 3 are driven by the vertical arms 14 to drive the knuckle arms 2 to move, and further steering of the wheel assemblies 1 is achieved.
In this embodiment, the bogie includes two steering linkage 6, and the one end and the vertical arm 14 transmission of steering linkage 6 are connected, and the other end is articulated with steering plumbing arm 8, and steering plumbing arm 8 is driven by steering gear 7, and steering gear 7 directly is connected with steering linkage 6 transmission through steering plumbing arm 8, and the transmission efficiency that turns to is higher, and can improve the stability that turns to. Wherein, one end of the steering pull rod 6 hinged with the steering hanging arm 8 forms a driving connecting part.
In the embodiment, an upper rocker arm 5 is assembled at the upper end of the vertical arm 14 in a rotation stopping manner, a lower rocker arm 9 is assembled at the lower end in a rotation stopping manner, and the upper rocker arm 5 is hinged with the steering pull rod 6 so as to realize the transmission connection between the steering pull rod 6 and the vertical arm 14; the lower rocker arm 9 is hinged with the knuckle arm draw bar 3 to realize the transmission connection of the knuckle arm draw bar 3 and the vertical arm 14.
Wherein, the upper portion of vertical arm 14 is equipped with flange fixing base 4, and the lower part is equipped with lower flange fixing base 12, goes up flange fixing base 4 and lower flange fixing base 12 and all passes through the fix with screw on the frame, and wherein go up flange fixing base 4 and be in the below of last rocking arm 5, under the same condition of length of vertical arm 14, can improve the height of going up rocking arm 5, and then improve the height of steering linkage 6.
The upper flange fixing seat 4 and the lower flange fixing seat 12 in the embodiment are bearing seats, so that resistance applied to the rotation process of the vertical arm 14 is reduced, the rotation of the vertical arm 14 on the two flange fixing seats is facilitated, and further the steering of the wheel assembly 1 is facilitated.
The vertical arm 14 includes the spline section 10 provided at upper and lower portions thereof. One end of the upper rocker arm 5 is provided with a C-shaped structure, the upper rocker arm is sleeved on the spline section 10 on the upper portion through the C-shaped structure, and the C-shaped structure is fastened through matching of a bolt and a nut, so that the upper rocker arm 5 and the vertical arm 14 are assembled in a rotation stopping mode. The spline on the spline section 10 at the lower part of the vertical arm 14 is a conical spline, the vertical arm 14 further comprises an external thread section 13, and after the spline section 10 at the lower part of the vertical arm 14 is matched with the lower rocker arm 9, the lower rocker arm 9 is pressed on the spline section 10 through a nut (not shown) on the external thread section 13, so that the rotation-stopping assembly of the vertical arm 14 and the lower rocker arm 9 is realized.
In this embodiment, two knuckle arm tie rods 3 are provided, and one end of each knuckle arm tie rod 3 is hinged to the knuckle arm 2, and the other end is hinged to the lower rocker arm 9.
In this embodiment, the hinges of the respective parts are all spherical hinges.
When the wheel assembly 1 needs to steer, under the driving of a steering gear, the steering plumbing arm 8 drives the two steering tie rods 6 to move, each steering tie rod 6 pulls the upper rocker arm 5 on the corresponding side to rotate by the central axis of the vertical arm 14, the vertical arm 14 drives the lower rocker arm 9 to rotate by the central axis of the vertical arm 14, and the lower rocker arm 9 pulls the knuckle arm 2 to rotate by the knuckle arm 3, so that the steering of the wheel assembly 1 is realized. Due to the existence of the vertical arms 14, a certain height difference exists between the knuckle arm pull rod 3 and the steering pull rod 6, namely the knuckle arm pull rod 3 and the steering pull rod 6 are arranged in a layered mode, so that a space surrounded by the two vertical arms 14, the two upper rocker arms 5 and the two steering pull rods 6 can avoid parts on a vehicle frame, and the space above the vehicle frame is fully utilized.
as shown in fig. 2, the difference from embodiment 1 is that the vertical arm 14 is not provided with an upper swing arm and a lower swing arm, the upper end of the vertical arm 14 is hinged to the tie rod 6, and the lower end of the vertical arm 14 is hinged to the knuckle arm tie rod 3. In other embodiments, the upper end of the vertical arm may be fixedly connected to the steering tie rod or the lower end may be fixedly connected to the knuckle arm tie rod.
as shown in fig. 3, the difference from embodiment 1 is that two steering links are replaced by a driving pivot arm 15 and a driven pivot arm 16, a pivot link 17 is provided between the two driving pivot arms, and both ends of the pivot link 17 are respectively hinged to the driving pivot arm 15 and the driven pivot arm 16. Wherein, one end of the active rotating arm 15 is hinged on the first hinge shaft 18, the other end is hinged with a transition arm 20, and the transition arm 20 is hinged with the upper rocker arm 5 on the left side; one end of the driven rotating arm 16 is hinged on a second hinge shaft 19, the other end is hinged with a transition arm 20, and the transition arm 20 is hinged with the upper rocker arm 5 on the right side. It should be noted that the first articulated shaft and the second articulated shaft are both fixed on the frame, and the driving connecting part is arranged on the driving rotating arm and is in transmission connection with the steering gear.
as shown in fig. 4, the difference from embodiment 3 is that the vertical arm 14 is not provided with an upper swing arm and a lower swing arm, the upper end of the vertical arm 14 is directly hinged to the corresponding swing arm, and the lower end of the vertical arm 14 is hinged to the corresponding knuckle arm link 3. In other embodiments, the upper end of the vertical arm may be fixedly connected to the corresponding swivel arm or the lower end may be fixedly connected to the knuckle arm linkage.
as shown in fig. 5, the difference from embodiment 4 is that a vertical arm 14 is provided between the knuckle arm 2 and the knuckle arm tie rod 3, the upper end of the vertical arm being hinged to the knuckle arm tie rod 3, and the lower end of the vertical arm being hinged to the knuckle arm 2. In other embodiments, the upper end of the vertical arm may be fixedly connected to the knuckle arm tie rod or the lower end may be fixedly connected to the knuckle arm.
the difference from the embodiment 1 is that the lower rocker arm is sleeved on the spline section 10 at the lower part through a C-shaped structure, and the C-shaped structure is fastened through matching of a bolt and a nut, so that the lower rocker arm and the vertical arm are assembled in a rotation stopping mode.
Embodiment 7 of the steering transmission system of the invention:
the difference from the embodiment 1 is that the spline on the spline section on the upper part of the vertical arm is a conical spline, the vertical arm further comprises an external thread section, and after the spline section on the upper part of the vertical arm is matched with the upper rocker arm, the upper rocker arm is pressed against the spline section through a nut (not shown) on the external thread section, so that the rotation-stopping assembly of the vertical arm and the upper rocker arm is realized.
In an embodiment of the vehicle according to the present invention, the vehicle includes a frame and a steering transmission system, and the steering transmission system has the same structure as that in each embodiment of the steering transmission system, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A steer drive system, comprising:
the bogie is provided with a driving connecting part, and the driving connecting part is used for being in transmission connection with the steering gear;
the two steering knuckle arms are respectively arranged on two sides of the bogie;
a knuckle arm tie rod disposed between the bogie and a corresponding knuckle arm;
it is characterized by also comprising:
the vertical arm is used for connecting the knuckle arm pull rod with a bogie in a transmission way, the height of the bogie is higher than that of the knuckle arm pull rod so that the bogie avoids a part on a frame, and one end of the knuckle arm pull rod, which is far away from the bogie, is in spherical hinge with the corresponding knuckle arm;
or the vertical arm is used for connecting the knuckle arm pull rod with the corresponding steering knuckle arm in a transmission manner, the height of the knuckle arm pull rod is higher than that of the steering knuckle arm so that the steering frame can avoid parts on the vehicle frame, and one end, far away from the corresponding steering knuckle arm, of the knuckle arm pull rod is in spherical hinge with the steering frame.
2. The steer drive of claim 1, wherein said vertical arm upper and lower ends are respectively equipped with an upper rocker arm and a lower rocker arm;
the bogie is hinged with one end of the upper rocker arm, which is far away from the vertical arm, so that the transmission connection between the bogie and the vertical arm is realized;
the knuckle arm pull rod is hinged with one end, far away from the vertical arm, of the lower rocker arm so as to realize transmission connection of the knuckle arm pull rod and the vertical arm;
the vertical arm has an engagement portion for rotational mounting on a vehicle frame.
3. The steering transmission system according to claim 2, wherein the steering transmission system comprises a flange fixing base for fixing to a frame;
the matching part is in running fit with the flange fixing seat and is in axial limiting fit with the flange fixing seat along the vertical arm so as to realize the rotating assembly of the vertical arm on the frame.
4. A steer drive according to claim 3, wherein said flange mount is provided in at least two, at least one of which is provided in a lower portion of the vertical arm and at least one of which is provided in an upper portion of the vertical arm.
5. The steer drive of claim 4, wherein the flange mount disposed on the upper portion of the vertical arm is below the upper rocker arm.
6. The steer drive of any of claims 2-5, wherein the vertical arm comprises a splined section, and wherein the upper and lower rocker arms are each spline fitted with the vertical arm via the splines.
7. The steering transmission system according to claim 6, wherein the spline on the spline section is a tapered spline, the vertical arm further comprises an external thread section, and after the spline on the vertical arm is matched with the corresponding rocker arm, the corresponding rocker arm is pressed on the spline section through a nut on the external thread section, so that the rotation-stopping assembly of the vertical arm and the corresponding rocker arm is realized.
8. The steer drive of any of claims 1-5, wherein the bogie comprises two steer rods, each steer rod having one end drivingly connected to the vertical arm and the other end being the drive connection.
9. The steer drive of any of claims 1-5, wherein the truck comprises a master arm and a slave arm, a boom linkage disposed between the master arm and the slave arm;
the driving connecting part is arranged on the driving rotating arm;
the driving rotating arm and the driven rotating arm are in transmission connection with the corresponding vertical arms respectively.
10. A vehicle comprising a frame and a steer drive, wherein the steer drive is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067837.3A CN111114617B (en) | 2020-01-20 | 2020-01-20 | Vehicle and steering transmission system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067837.3A CN111114617B (en) | 2020-01-20 | 2020-01-20 | Vehicle and steering transmission system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111114617A true CN111114617A (en) | 2020-05-08 |
| CN111114617B CN111114617B (en) | 2020-12-08 |
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| CN202010067837.3A Active CN111114617B (en) | 2020-01-20 | 2020-01-20 | Vehicle and steering transmission system thereof |
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| CN107826164A (en) * | 2017-11-01 | 2018-03-23 | 中国北方车辆研究所 | A kind of multi-wheel steering system and control method based on electric power-assisted |
| CN207374478U (en) * | 2017-10-10 | 2018-05-18 | 北京三兴汽车有限公司 | Automatic travelling hydraulic system steering mechanism |
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2020
- 2020-01-20 CN CN202010067837.3A patent/CN111114617B/en active Active
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|---|---|---|---|---|
| EP1213206A2 (en) * | 2000-12-09 | 2002-06-12 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Steering arrangement for steerable front wheels |
| DE10234596B3 (en) * | 2002-07-30 | 2004-01-22 | Daimlerchrysler Ag | As recirculating ball steering trained electric power steering a motor vehicle |
| CN207374478U (en) * | 2017-10-10 | 2018-05-18 | 北京三兴汽车有限公司 | Automatic travelling hydraulic system steering mechanism |
| CN107826164A (en) * | 2017-11-01 | 2018-03-23 | 中国北方车辆研究所 | A kind of multi-wheel steering system and control method based on electric power-assisted |
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| CN111114617B (en) | 2020-12-08 |
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