CN210235088U - Single-double front axle steering rod system and heavy-duty car applying same - Google Patents
Single-double front axle steering rod system and heavy-duty car applying same Download PDFInfo
- Publication number
- CN210235088U CN210235088U CN201921198188.XU CN201921198188U CN210235088U CN 210235088 U CN210235088 U CN 210235088U CN 201921198188 U CN201921198188 U CN 201921198188U CN 210235088 U CN210235088 U CN 210235088U
- Authority
- CN
- China
- Prior art keywords
- steering
- hinged
- swing arm
- transition
- oil cylinder
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a heavy-duty car of single two front axle steering column systems and applied this system relates to the auto steering field, including the steering gear, the output shaft of steering gear is articulated with the one end of steering column, steering column is articulated with the one end of a bridge pull rod, the other end of a bridge pull rod is articulated with the knuckle arm of fixing on a bridge, steering column still articulates with the one end of transition pull rod one, the other end of transition pull rod one is articulated with the transition swing arm of articulated fixing on the solebar, the transition swing arm is still articulated with the one end of transition pull rod two, the other end of transition pull rod two is articulated with the articulated two bridge swing arms of fixing on the frame, two bridge swing arms are articulated with the one end of two bridge pull rods, the other end of two bridge pull rods is articulated with the knuckle arm of fixing on two bridges, two bridge swing arms are still articulated with the supplementary booster unit of second. The utility model provides a steering column is arranged and is invertd and additional lever satisfies 11 tons of turning to through the hydro-cylinder in the rod system that only can satisfy 9 tons of turning to.
Description
Technical Field
The utility model relates to a vehicle turns to technical field, specifically is a heavy automobile of single two front axle steering column systems and applied this system.
Background
The automobile steering rod system is a main pivot for automobile steering power transmission, and transmits the power output by a steering gear and an oil cylinder to an axle steering knuckle arm so as to push wheels to steer. The ideal steering arrangement is to make the time taken for the steering wheels to respectively turn to the extreme positions substantially equal, and the arm operating forces fed back to the driver by the left and right steering should be not greatly different. Due to the trapezoidal steering of the axle, the inner corner (the left-turning limit angle of the wheels) is often larger than the outer corner (the right-turning limit angle of the wheels), and the extending speed V of the left-turning piston rod of the oil cylinder is equal to the extending speed V of the right-turning piston rod of the oil cylinder under the condition of equal left-turning and right-turning time1Greater than the pull-back speed V of the right-turn piston rod2I.e. V1>V2Because the steering system ideally provides power P for turning left1Should equal power P for right turn2I.e. P1＝P2According to the power equation, there is P1＝F1V1,P2＝F2V2And P is1＝P2,V1>V2Then F is1<F2I.e. the ideal arrangement is to have the cylinder turn right with power F2Greater than a left turning force F1. The currently widely used dual front axle steering arrangement, in which the left turn high pressure port of the steering gear communicates with the rodless chamber of the cylinder to provide a left turn assist F, is shown in FIG. 11The right-turning high-pressure oil port is communicated with a rod cavity of the oil cylinder to provide right-turning power F2It is obvious that F is caused by different working areas of the rod chambers of the oil cylinders under the same oil pressure p1>F2This arrangement results in a left steering oil pressure p1 and a right steering oil pressure p1, which do not correspond to the ideal force conditions described aboveThe oil pressure p2 is generated with too great a difference, as shown in FIG. 2, p1max＝15.9Mpa,p2max＝20.4Mpa,ΔpmaxWhen the oil pressure difference Δ p is reflected from the steering wheel to the arm of the driver at 20.4-15.9 Mpa, the difference in the right and left steering feeling is large, which causes the driver to feel uncomfortable and less safe.
At present, the load of a steering axle of a domestic heavy truck is generally not more than 9 tons, but with the development of national economy, the load of the steering axle is larger and larger, tires are correspondingly increased, and the arrangement space of the steering rod system is very compact due to the increase of the tires and the vertical jumping of a suspension. The conventional method for increasing the steering force is to replace a steering gear with larger power and increase a thickening oil cylinder, so that the cost and expense of the whole rod system are increased, and the scheme of the whole vehicle is rearranged due to the replacement of a new type of steering gear and a new type of power-assisted oil cylinder, so that time and labor are wasted. The utility model discloses to the produced above-mentioned problem of conventional steering and adopt a brand-new technical scheme to arrange the steering column system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heavy automobile of single two front axle steering column system and applied this system, the conventional increase steering force who provides in solving above-mentioned background art is the steering gear of changing bigger power and increases and adds thick hydro-cylinder, this still can be because of the steering gear of change pattern except the cost that increases a whole set of rod system, the whole car scheme is rearranged to the helping hand hydro-cylinder, it is inequality still to turn to the helping hand about still appearing simultaneously, it is great that the left and right sides of driver turns to the control power contrast on the steering wheel to feed back, it is uncomfortable to cause driver steering operation, the problem that the sense of safety reduces.
In order to achieve the above object, the utility model provides a following technical scheme:
the single front axle steering rod system comprises a steering gear, wherein an output shaft of the steering gear is hinged to one end of a steering rocker arm, the steering rocker arm is hinged to one end of a bridge pull rod, the other end of the bridge pull rod is hinged to a steering knuckle arm fixed on an axle, the steering rocker arm is further hinged to one end of a transition pull rod I, the other end of the transition pull rod I is hinged to a transition swing arm fixed on a vehicle frame in a hinged mode, and the transition swing arm is hinged to the output end of a first auxiliary power assisting device.
Furthermore, the first auxiliary power assisting device comprises an oil cylinder and an oil cylinder seat fixed on the frame longitudinal beam, the oil cylinder comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat, the piston rod is arranged in the cylinder body, the front end of the piston rod is hinged to the transition swing arm, and the oil cylinder seat is fixed on the frame longitudinal beam between the steering gear and the transition swing arm.
Furthermore, the steering rod system is installed on a left longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
Furthermore, the steering rod system is installed on a right longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
Furthermore, the transition swing arm is hinged to a transition swing arm seat, and the transition swing arm seat is fixed on the frame longitudinal beam.
The utility model provides a two front axle steering column systems, includes the steering gear, the output shaft of steering gear is articulated with the one end of steering column arm, steering column arm is articulated with the one end of an axle pull rod, the other end of an axle pull rod is articulated with the knuckle arm of fixing on one axle, steering column arm still articulates with the one end of transition pull rod one, the other end of transition pull rod one is articulated with the transition swing arm of articulated fixing on the solebar, the transition swing arm still articulates with the one end of transition pull rod two, the other end of transition pull rod two is articulated with the second bridge swing arm of articulated fixing on the frame, the one end of two bridge swing arms and two axle pull rods is articulated, the other end of two bridge pull rods is articulated with the knuckle arm of fixing on two bridges, two bridge swing arms still articulate with second auxiliary power assisting device.
Further, the second auxiliary power assisting device comprises an additional pull rod, an additional swing arm seat, an oil cylinder and an oil cylinder seat, wherein the oil cylinder comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat, the piston rod is arranged in the cylinder body, one end of the additional pull rod is hinged to the two-axle swing arm, the other end of the additional pull rod is hinged to the additional swing arm, the additional swing arm is hinged to the additional swing arm seat, the additional swing arm seat is fixed to a frame longitudinal beam, the additional swing arm is hinged to the front end of the piston rod, and the oil cylinder seat is fixed to a frame between the steering gear and the additional swing arm.
Furthermore, the steering rod system is installed on a left longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
Furthermore, the steering rod system is installed on a right longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
A heavy-duty car, use said steering column system.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a steering column is arranged and is invertd through the hydro-cylinder and additional lever satisfies 11 tons of steering in the rod system that only can satisfy 9 tons of steering, changes high-power steering gear and increases with the conventionality and adds thick hydro-cylinder and compare, has originality, has reduced far away and has turned to the arrangement cost, and the effect is obvious, the practicality is strong. Additionally the utility model provides an auxiliary power assisting device that hydro-cylinder was invertd and is arranged can also balance left and right sides power-assisted steering, feeds back to and just the driver on the steering wheel turn to the manipulation power and equal basically about to improve and control travelling comfort and security. When the space for arranging the large-tonnage heavy truck in the up-and-down steering mode is compact, the technical scheme can be adopted to realize the steering operation of a double front axle or a single front axle with the tonnage of 11 tons or more.
Drawings
FIG. 1 is a schematic structural view of a double front axle steering linkage of the present invention;
FIG. 2 is a schematic view of a single front axle steering linkage of the present invention;
FIG. 3 is a schematic structural view of a prior art dual front axle steering linkage;
FIG. 4 is a graph of a prior art 9 ton dual front axle steering system carrying 11 ton of pressure;
FIG. 5 is a pressure curve diagram of the double front axles of the present invention for steering and bearing 11 tons;
in the figure: the device comprises a steering gear 1, a steering rocker arm 2, a transition swing arm 3, a transition swing arm seat 4, a second bridge swing arm 5, a second bridge swing arm seat 6, a first transition pull rod 7, a second transition pull rod 8, a first bridge pull rod 9, a second bridge pull rod 10, an additional swing arm 11, an additional swing arm seat 12, an additional pull rod 13, an oil cylinder seat 14, an oil cylinder 15, a steering knuckle arm 16 and a frame longitudinal beam 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 2, the single front axle steering rod system comprises a steering gear 1, wherein an output shaft of the steering gear 1 is hinged to one end of a steering rocker arm 2, the steering rocker arm 2 is hinged to one end of an axle pull rod 9, the other end of the axle pull rod 9 is hinged to a knuckle arm 16 fixed to an axle, the steering rocker arm 2 is further hinged to one end of a transition pull rod 7, the other end of the transition pull rod 7 is hinged to a transition swing arm 3 hinged to a frame, and the transition swing arm 3 is hinged to an output end of a first auxiliary power assisting device.
The first auxiliary power assisting device comprises an oil cylinder 15 and an oil cylinder seat 14 fixed on a frame longitudinal beam 17, the oil cylinder 15 comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat 14, the piston rod is arranged in the cylinder body, the front end of the piston rod is hinged to the transition swing arm 3, and the oil cylinder seat 14 is fixed on the frame longitudinal beam between the steering gear 1 and the transition swing arm 3.
The steering rod system is installed on a left longitudinal beam of the frame, a rod cavity of the oil cylinder 15 is communicated with a left-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline, and a rodless cavity of the oil cylinder 15 is communicated with a right-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline.
The transition swing arm 3 is hinged to the transition swing arm seat 4, and the transition swing arm seat 4 is fixed on the frame longitudinal beam 17.
For the arrangement of the single front axle steering rod system, as shown in fig. 2, compared with the double front axle steering, the whole rod system omits a second axle swing arm 5, a second axle swing arm seat 6, a second transition pull rod 8, a second axle pull rod 10, an additional swing arm seat 12 and an additional pull rod 13, and the front end of the oil cylinder seat 14 which is moved forward to the transition swing arm seat 4 is fixed on a frame longitudinal beam 17. At the moment, the first transition pull rod 7 is equivalent to the function of the additional pull rod 13, the transition swing arm 33 is equivalent to the function of the additional swing arm seat 12, the rear end of the oil cylinder 15 is still hinged on the oil cylinder seat 14, and the front end of the oil cylinder is hinged on the transition swing arm 3. The first transition pull rod 7 amplifies the push-pull boosting force of the oil cylinder 15 through the lever ratio of the transition swing arm 3, and transmits the amplified push-pull boosting force to a bridge knuckle arm 16 through the steering rocker arm 2 and a bridge pull rod 9, so that the amplified steering boosting force is generated to push the large-tonnage wheels to steer.
Example 2:
referring to fig. 2, the single front axle steering rod system comprises a steering gear 1, wherein an output shaft of the steering gear 1 is hinged to one end of a steering rocker arm 2, the steering rocker arm 2 is hinged to one end of an axle pull rod 9, the other end of the axle pull rod 9 is hinged to a knuckle arm 16 fixed to an axle, the steering rocker arm 2 is further hinged to one end of a transition pull rod 7, the other end of the transition pull rod 7 is hinged to a transition swing arm 3 hinged to a frame, and the transition swing arm 3 is hinged to an output end of a first auxiliary power assisting device.
The first auxiliary power assisting device comprises an oil cylinder 15 and an oil cylinder seat 14 fixed on a frame longitudinal beam 17, the oil cylinder 15 comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat 14, the piston rod is arranged in the cylinder body, the front end of the piston rod is hinged to the transition swing arm 3, and the oil cylinder seat 14 is fixed on the frame longitudinal beam between the steering gear 1 and the transition swing arm 3.
The steering rod system is installed on a right longitudinal beam of the frame, a rod cavity of the oil cylinder 15 is communicated with a right-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline, and a rodless cavity of the oil cylinder 15 is communicated with a left-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline.
The transition swing arm 3 is hinged to the transition swing arm seat 4, and the transition swing arm seat 4 is fixed on the frame longitudinal beam 17.
Example 3:
referring to fig. 1, the double front axle steering rod system comprises a steering gear 1, an output shaft of the steering gear 1 is hinged with one end of a steering rocker arm 2, the steering rocker arm 2 is hinged with one end of an axle pull rod 9, the other end of the axle pull rod 9 is hinged with a steering knuckle arm 16 fixed on an axle, the steering rocker arm 2 is also hinged with one end of a transition pull rod I7, the other end of the transition pull rod I7 is hinged with a transition swing arm 3 which is hinged and fixed on a frame longitudinal beam 17, the transition swing arm 3 is also hinged with one end of a transition pull rod II 8, the other end of the transition pull rod II 8 is hinged with a second bridge swing arm 5 which is hinged and fixed on the frame, the two-axle swing arm 5 is hinged with one end of a two-axle pull rod 10, the other end of the two-axle pull rod 10 is hinged with a steering knuckle arm 16 fixed on the two axles, and the two-axle swing arm 5 is further hinged with a second auxiliary power assisting device.
The second auxiliary power assisting device comprises an additional pull rod 13, an additional swing arm 11, an additional swing arm seat 12, an oil cylinder 15 and an oil cylinder seat 14, wherein the oil cylinder 15 comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat 14, the piston rod is arranged in the cylinder body, one end of the additional pull rod 13 is hinged to the two-axle swing arm 5, the other end of the additional pull rod 13 is hinged to the additional swing arm 11, the additional swing arm 11 is hinged to the additional swing arm seat 12, the additional swing arm seat 12 is fixed to a frame longitudinal beam 17, the additional swing arm 11 is hinged to the front end of the piston rod, and the oil cylinder seat 14 is fixed to a frame between the steering gear 1 and the additional swing arm 11.
The steering rod system is arranged on a left longitudinal beam of the frame, and a rod cavity of the oil cylinder 15 is connected with the left side of the steering gear 1 through a hydraulic pipelineThe high-pressure oil transfer port is communicated, and a rodless cavity of the oil cylinder 15 is communicated with the right high-pressure oil transfer port of the steering gear 1 through a hydraulic pipeline. Thus, when the wheel rotates left, the rod cavity of the oil cylinder 15 provides power F1And the oil cylinder 15 rodless cavity provides power F during right turning2It is clear that the inverted arrangement of the cylinders 15 will achieve F1>F2The ideal stress state is met, and the oil pressure difference of left and right steering is reduced, so that the left and right steering power assistance is balanced.
The pressure curves shown in fig. 4 and 5 are obtained by equalizing the hydraulic main power and the steering resistance power (formula P · S)1Rω+P·S4V＝Mf·∑Wi+mg∑Vi) And simulated based on the Creo Parametric mechanism.
The rod cavity of the oil cylinder 15 is communicated with the left-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline to generate left-turning high pressure p1, the rodless cavity of the oil cylinder 15 is communicated with the right-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline to generate right-turning high pressure p2, and as can be seen from figure 5, p1max＝13.7Mpa,p2max＝15.06Mpa，p2max-p1max＝ΔPmaxThe difference is only 1/3 of the pressure difference Δ P generated by the prior art such as fig. 4, and the left and right steering assisting force difference is obviously reduced, so that the steering comfort and the safety are improved.
The additional pull rod 13 amplifies the push-pull boosting of the oil cylinder 15 through the lever ratio of the additional swing arm seat 12, and transmits the amplified power to the knuckle arm 16 of the second axle through the second axle swing arm 5 and the second axle pull rod 10, thereby generating the amplified power to drive the steering of the large-tonnage wheel, and fig. 4 shows that the oil pressure p of the steering gear 1 of the 9-ton double-front-axle steering system in the prior art can be maximally increased to 20.4Mpa when bearing 11 tons, and exceeds the bearing limit value 18Mpa of the steering gear 1, and the rod system of the utility model is arranged and then refers to fig. 5, and the oil pressure p of the steering gear 1 of the original steering gear bearing 9 tons is only 15.06Mpa when bearing 11 tons, and is smaller than the bearing limit value 18Mpa of the steering gear 1.
The additional pull rod 13 amplifies the boosting of the oil cylinder 15 through the leverage of the additional swing arm 11, and the boosting is transmitted to the two-axle steering knuckle arm 16 through the two-axle swing arm 5 and the two-axle pull rod 10 to push the wheels to steer. The length of the additional swing arm 11 is short, the additional pull rod 13 and the oil cylinder 15 are longitudinally arranged along the direction of the frame between the two-axle swing arm 5 and the additional swing arm 11, the upper edge and the lower edge of the longitudinal beam can not be exceeded by the arrangement, and therefore the steering rod system can be still arranged under the condition of compact upper and lower movement spaces.
Example 4:
referring to fig. 1, the double front axle steering rod system comprises a steering gear 1, an output shaft of the steering gear 1 is hinged with one end of a steering rocker arm 2, the steering rocker arm 2 is hinged with one end of an axle pull rod 9, the other end of the axle pull rod 9 is hinged with a steering knuckle arm 16 fixed on an axle, the steering rocker arm 2 is also hinged with one end of a transition pull rod I7, the other end of the transition pull rod I7 is hinged with a transition swing arm 3 which is hinged and fixed on a frame longitudinal beam 17, the transition swing arm 3 is also hinged with one end of a transition pull rod II 8, the other end of the transition pull rod II 8 is hinged with a second bridge swing arm 5 which is hinged and fixed on the frame, the two-axle swing arm 5 is hinged with one end of a two-axle pull rod 10, the other end of the two-axle pull rod 10 is hinged with a steering knuckle arm 16 fixed on the two axles, and the two-axle swing arm 5 is further hinged with a second auxiliary power assisting device.
The second auxiliary power assisting device comprises an additional pull rod 13, an additional swing arm 11, an additional swing arm seat 12, an oil cylinder 15 and an oil cylinder seat 14, wherein the oil cylinder 15 comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat 14, the piston rod is arranged in the cylinder body, one end of the additional pull rod 13 is hinged to the two-axle swing arm 5, the other end of the additional pull rod 13 is hinged to the additional swing arm 11, the additional swing arm 11 is hinged to the additional swing arm seat 12, the additional swing arm seat 12 is fixed to a frame longitudinal beam 17, the additional swing arm 11 is hinged to the front end of the piston rod, and the oil cylinder seat 14 is fixed to a frame between the steering gear 1 and the additional swing arm 11.
The steering rod system is installed on a right longitudinal beam of the frame, a rod cavity of the oil cylinder 15 is communicated with a right-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline, and a rodless cavity of the oil cylinder 15 is communicated with a left-turning high-pressure oil port of the steering gear 1 through a hydraulic pipeline.
Example 5:
a heavy-duty vehicle employing the steering column system as described in any one of embodiments 1-4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A single front axle steering rod system characterized by: the steering device comprises a steering device, wherein an output shaft of the steering device is hinged to one end of a steering rocker arm, the steering rocker arm is hinged to one end of an axle pull rod, the other end of the axle pull rod is hinged to a knuckle arm fixed on an axle, the steering rocker arm is further hinged to one end of a transition pull rod I, the other end of the transition pull rod I is hinged to a transition swing arm fixed on a vehicle frame in a hinged mode, and the transition swing arm is hinged to the output end of a first auxiliary power assisting device.
2. The single front axle steering rod system of claim 1, wherein: the first auxiliary power assisting device comprises an oil cylinder and an oil cylinder seat fixed on the frame longitudinal beam, the oil cylinder comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat, the piston rod is arranged in the cylinder body, the front end of the piston rod is hinged to the transition swing arm, and the oil cylinder seat is fixed on the frame longitudinal beam between the steering gear and the transition swing arm.
3. The single front axle steering rod system of claim 2, wherein: the steering rod system is installed on a left longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
4. The single front axle steering rod system of claim 2, wherein: the steering rod system is installed on a right longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
5. The single front axle steering rod system of claim 2, wherein: the transition swing arm is hinged to the transition swing arm seat, and the transition swing arm seat is fixed on the frame longitudinal beam.
6. A dual front axle steering rod system characterized by: the steering gear comprises a steering gear, wherein an output shaft of the steering gear is hinged to one end of a steering rocker arm, the steering rocker arm is hinged to one end of a first bridge pull rod, the other end of the first bridge pull rod is hinged to a knuckle arm fixed to one bridge, the steering rocker arm is hinged to one end of a first transition pull rod, the other end of the first transition pull rod is hinged to a transition swing arm fixed to a frame longitudinal beam in a hinged mode, the transition swing arm is hinged to one end of a second transition pull rod, the other end of the second transition pull rod is hinged to a second bridge swing arm fixed to a frame in a hinged mode, the second bridge swing arm is hinged to one end of the second bridge pull rod, the other end of the second bridge pull rod is hinged to the knuckle arm fixed to the second bridge, and the second bridge swing arm is hinged.
7. The double front axle steering rod system of claim 6, wherein: the auxiliary power assisting device comprises an additional pull rod, an additional swing arm seat, an oil cylinder and an oil cylinder seat, wherein the oil cylinder comprises a cylinder body and a piston rod, the tail end of the cylinder body is hinged to the oil cylinder seat, the piston rod is arranged in the cylinder body, one end of the additional pull rod is hinged to the two-axle swing arm, the other end of the additional pull rod is hinged to the additional swing arm, the additional swing arm is hinged to the additional swing arm seat, the additional swing arm seat is fixed to a frame longitudinal beam, the additional swing arm is hinged to the front end of the piston rod, and the oil cylinder seat is fixed to a frame between a steering gear and the additional swing arm.
8. The double front axle steering rod system of claim 7, wherein: the steering rod system is installed on a left longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
9. The double front axle steering rod system of claim 7, wherein: the steering rod system is installed on a right longitudinal beam of the frame, a rod cavity of the oil cylinder is communicated with a right-turning high-pressure oil port of the steering gear through a hydraulic pipeline, and a rodless cavity of the oil cylinder is communicated with a left-turning high-pressure oil port of the steering gear through a hydraulic pipeline.
10. A heavy-duty vehicle characterized by: use of a steering column system according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198188.XU CN210235088U (en) | 2019-07-29 | 2019-07-29 | Single-double front axle steering rod system and heavy-duty car applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198188.XU CN210235088U (en) | 2019-07-29 | 2019-07-29 | Single-double front axle steering rod system and heavy-duty car applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210235088U true CN210235088U (en) | 2020-04-03 |
Family
ID=69993035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198188.XU Active CN210235088U (en) | 2019-07-29 | 2019-07-29 | Single-double front axle steering rod system and heavy-duty car applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210235088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282013A (en) * | 2019-07-29 | 2019-09-27 | 中国重汽集团泰安五岳专用汽车有限公司 | A kind of list double-front axle turning-bar system and the heavy-duty car using the system |
-
2019
- 2019-07-29 CN CN201921198188.XU patent/CN210235088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282013A (en) * | 2019-07-29 | 2019-09-27 | 中国重汽集团泰安五岳专用汽车有限公司 | A kind of list double-front axle turning-bar system and the heavy-duty car using the system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103359179B (en) | Car body fore part arrangement | |
| CN103963825A (en) | Steering system and independent suspension wheel type overload vehicle | |
| CN110104056B (en) | Power-assisted control device and control method of electro-hydraulic composite steering system | |
| CN210235088U (en) | Single-double front axle steering rod system and heavy-duty car applying same | |
| CN201432720Y (en) | Double-front-axle steering transmission mechanism of heavy truck | |
| CN112550445B (en) | Hydraulic power-assisted steering system | |
| CN110282013A (en) | A kind of list double-front axle turning-bar system and the heavy-duty car using the system | |
| CN2926004Y (en) | Steering device of multi-shaft steering bridge for automobile | |
| US9180907B2 (en) | Steering system for utility vehicles with bilateral actuation | |
| CN104527782B (en) | Steering control structure of steering axle for multi-steering-axle vehicle and vehicle | |
| CN107140013B (en) | Double-front-axle automobile steering system | |
| JPH09226614A (en) | Power steering device for industrial vehicle | |
| CN204432757U (en) | A kind of front axle rearmounted pair of servo cylinder hydraulic power-assist steering system | |
| CN206327434U (en) | A kind of power steering apparatus of vehicle | |
| CN201176177Y (en) | Steering gear for truck | |
| CN207274796U (en) | A kind of mechanism for slowing down semi-trailer direction changing sideslip | |
| CN212797067U (en) | External hydraulic steering system of two power-assisted cylinders of mining car | |
| CN218258331U (en) | Double-front-axle automobile steering system | |
| CN217730551U (en) | Multi-axle vehicle steering centering hydraulic system | |
| CN219651263U (en) | Axle steering system and vehicle | |
| CN212125283U (en) | Steering power assisting device | |
| CN215826391U (en) | Follow-up steering structure for truck | |
| JPS61132469A (en) | Power steering system used for rear double axle type car | |
| CN217730547U (en) | Symmetric boosting type double-front-axle steering system | |
| CN201128437Y (en) | Automobile with postpositive steering axle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |