CN205574048U - Multiaxis is follow -up a steering system for passenger train - Google Patents
Multiaxis is follow -up a steering system for passenger train Download PDFInfo
- Publication number
- CN205574048U CN205574048U CN201620178190.0U CN201620178190U CN205574048U CN 205574048 U CN205574048 U CN 205574048U CN 201620178190 U CN201620178190 U CN 201620178190U CN 205574048 U CN205574048 U CN 205574048U
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- steering
- pitman arm
- piston
- sides
- cylinder body
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Abstract
The utility model relates to a multiaxis is follow -up a steering system for passenger train turns to the rocking arm and installs in frame bottom, turns to two knuckles connecting passenger train follow -up axle respectively through two steering linkage in rocking arm afterbody both sides, and the middle part both sides that turn to the rocking arm are respectively through two both sides that turn to the attenuator and connect the passenger train frame, and the middle part both sides that turn to the rocking arm are respectively through two both sides that turn to the locking jar and connect the passenger train frame, turns to the setting of locking jar at steering linkage and turn to between the attenuator. The utility model discloses a turning to the rocking arm and coordinating the follow -up axle and change follow -up axle wheel direction along with the direction of motion of frame, make follow -up axle wheel direction and passenger train direction keep the unanimity, steering linkage realizes the linkage of two wheels about the follow -up axle, turns to rocking arm and steering linkage's setting, and the wheel that becomes the follow -up axle slides to the rotation to reach the frictional force that reduces wheel and ground interfacial, lighten the wheel wearing and tearing, guarantee wheel life.
Description
Technical field:
This utility model relates to multiaxis passenger vehicle steering technical field, is specifically related to a kind of multiaxis passenger vehicle slave steering system.
Background technology:
Along with the development of China's automotive engineering, in passenger car field, multiaxis passenger vehicle is increasingly favored by client by the feature that its loading capacity is big, average fuel consumption is low.nullBut，The servo-actuated vehicle bridge of multiaxis passenger vehicle in the market typically can not active steering，Can only be to turn under the drive of passenger vehicle deflecting roller，This steering mode，In passenger vehicle steering procedure，The wheel of servo-actuated vehicle bridge can keep original direction of advance under effect of inertia，Therefore，Now，Turn under the drag interaction of passenger vehicle front-wheel during the rotation of servo-actuated vehicle bridge，The wheel direction of the most servo-actuated vehicle bridge is inconsistent with traction wheel direction，Therefore，Frictional force between wheel and the ground of servo-actuated vehicle bridge is force of sliding friction，Force of sliding friction can cause serious wear of wheel，Serious mill tire phenomenon occurs，Therefore，In order to make the forms of motion of the tire of servo-actuated vehicle bridge be become rolling from slip，Reduce the frictional force of wheel and ground，Alleviate tire wear，Reduce passenger vehicle operating cost，Slave steering system must be increased in the servo-actuated vehicle bridge of multiaxis passenger vehicle，The most structure of slave steering system occurred on existing market is more complicated，Cost is high，And，The locking cylinder used in existing multiaxis passenger vehicle slave steering system is the most all hydraulic cylinder，It is big that hydraulic cylinder has locking power、The advantage that locking is firm，But，Hydraulic cylinder must use hydraulic oil，Relatively costly and easily cause use environment greasy dirt serious.
Utility model content:
In sum, in order to overcome the deficiency of prior art problem, this utility model provides a kind of multiaxis passenger vehicle slave steering system, this slave steering system coordinates turning to of servo-actuated vehicle bridge left and right wheels by pitman arm, alleviate tire wear, steering damper is set, issuable shimmy during eliminating follow-up steering, steering, locking cylinder is set and carries out the locking of follow-up steering.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of multiaxis passenger vehicle slave steering system, wherein: include pitman arm, steering damper, steering, locking cylinder and steering linkage, described pitman arm is installed on bottom of frame, pitman arm two sides of tail connects two knuckles of the servo-actuated vehicle bridge of passenger vehicle respectively by two steering linkages, the both sides, middle part of described pitman arm connect the both sides of bus frame respectively by two steering dampers, the both sides, middle part of described pitman arm connect the both sides of bus frame respectively by two steering, locking cylinders, steering, locking cylinder is arranged between steering linkage and steering damper.
Further, described pitman arm includes the head of integrative-structure, shoulder, waist and lower limb portion, described head is square structure, the head of pitman arm is hinged is installed on bottom of frame, it it is shoulder under the head of described pitman arm, described shoulder is "eight" shape structure, the hinged shoulder with pitman arm of steering damper, it it is waist under the shoulder of described pitman arm, waist is the pitman arm projection to both sides, steering, locking cylinder is hinged on the waist of pitman arm, it it is lower limb portion under the waist of described pitman arm, leg is two projections that pitman arm is downward, steering linkage is hinged on the leg of pitman arm.
Further, described steering, locking cylinder is air pressure locking cylinder, including cylinder body, piston rod, left piston, right piston and jump ring, described cylinder body both sides respectively arrange an air inlet, two air inlets connect same air inlet pipe, the middle part of described cylinder body arranges a gas outlet and jump ring, left piston and right piston are set in cylinder body, left piston and right piston are respectively at the left and right sides of jump ring, it is provided with piston rod on described right piston, described piston rod is positioned at one end of cylinder body and arranges end plate, right piston is arranged on the right side of end plate, it is provided with groove on the right side of described left piston, groove cooperates with the end plate of piston rod, one end being positioned at outside cylinder body of described piston rod is hinged on the waist of pitman arm.
Further, described left piston and right piston are slide block type piston.
Further, the cylinder body outer portion that is positioned at of described piston rod is provided with flexible sheath.
Further, the left side of described cylinder body arranges connector, and cylinder body is by the hinged vehicle frame with passenger vehicle of connector.
The beneficial effects of the utility model are:
1, this utility model arranges the pitman arm being connected with vehicle frame, pitman arm connects two knuckles of the servo-actuated vehicle bridge of multiaxis passenger vehicle respectively by two steering linkages, servo-actuated vehicle bridge is coordinated along with the servo-actuated vehicle bridge wheel direction of direction of motion change of vehicle frame by pitman arm, servo-actuated vehicle bridge wheel direction is made to keep consistent with passenger vehicle direction, steering linkage realizes the linkage of two wheels about servo-actuated vehicle bridge, pitman arm and the setting of steering linkage, become the wheel skid of servo-actuated vehicle bridge into rotating, thus reach to reduce the frictional force between wheel and ground, alleviate wheel wear, ensure wheel service life.
2, the setting of steering damper of the present utility model, it is possible to play cushioning effect between pitman arm and vehicle frame, thus issuable shimmy during eliminating follow-up steering, keep turning to steadily.
3, this utility model is provided with steering, locking cylinder, when passenger vehicle is run at high speed, acutely swinging, now can occur because of high-speed rotation in the wheel of servo-actuated vehicle bridge, two steering, locking cylinders can clamp pitman arm, prevents servo-actuated vehicle bridge out of control because of acutely swinging of wheel.And when passenger vehicle is moveed backward, two steering, locking cylinders can clamp pitman arm, and ensure that passenger vehicle straight line car-backing travels, it is to avoid the uncertainty of the travel direction occurred during passenger vehicle reversing.
4, pitman arm simple in construction of the present utility model, reasonable in design, the head connecting vehicle frame of pitman arm, thus ensure that pitman arm is along with vehicle frame together action, meanwhile, head connecting vehicle frame, it is conveniently steered rocking arm and rotation trend is passed to steering linkage and steering damper, play draw, head connecting vehicle frame, convenient traction, traction effect is good.
5, steering, locking cylinder of the present utility model is passed through gases at high pressure by two air inlets in cylinder body simultaneously, gases at high pressure promote left piston and right piston to move in the middle part of cylinder body simultaneously, when left piston and right piston move to jump ring position, left piston and right piston stop motion, gases at high pressure flow out from gas outlet, and piston rod is in lockup state, after the equal locking of piston rod of two steering, locking cylinders, realize the clamping of two steering, locking pole pair pitman arms, it is achieved steering, locking.
6, this utility model simple in construction, easy to use, conceive novel, with low cost, it is possible to effectively reduce the volume of the hydraulic Lock cylinder of existing passenger vehicle steering, use environment clean without greasy dirt.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of steering, locking cylinder of the present utility model.
Detailed description of the invention:
The utility model is described in further detail below in conjunction with the accompanying drawings.
nullSuch as Fig. 1、Shown in Fig. 2，A kind of multiaxis passenger vehicle slave steering system，Including pitman arm 1、Steering damper 2、Steering, locking cylinder 3 and steering linkage 4，Pitman arm 1 includes the head 6 of integrative-structure、Shoulder 7、Waist 8 and leg 9，Described head 6 is square structure，The head 6 of pitman arm 1 is hinged is installed on bottom of frame，It is shoulder 7 under the head 6 of pitman arm 1，Shoulder 7 is "eight" shape structure，The shoulder 7 of pitman arm 1 connects the both sides of bus frame respectively by two steering dampers 2，One end of steering damper 2 is hinged on the shoulder 7 of pitman arm 1，It is waist 8 under the shoulder 7 of described pitman arm 1，Waist 8 is the pitman arm 1 projection to both sides，Waist 8 connects the both sides of bus frame respectively by two steering, locking cylinders 3，Steering, locking cylinder 3 is hinged on waist 8，It is leg 9 under the waist 8 of pitman arm 1，Leg 9 is downward two projections，The leg 9 of pitman arm 1 connects two knuckles 5 of the servo-actuated vehicle bridge of passenger vehicle respectively by two steering linkages 4.
nullSteering, locking cylinder 3 is air pressure locking cylinder，Including cylinder body 10、Piston rod 11、Left piston 12、Right piston 13 and jump ring 14，Described cylinder body 10 both sides respectively arrange an air inlet 15，Two air inlets 15 connect same air inlet pipe 16，The middle part of described cylinder body 10 arranges a gas outlet 21 and jump ring 14，Left piston 12 and right piston 13 are set in cylinder body 10，Left piston 12 and right piston 13 are slide block type piston，Left piston 12 and right piston 13 are respectively at the left and right sides of jump ring 14，It is provided with piston rod 11 on described right piston 13，Described piston rod 11 is positioned at one end of cylinder body 10 and arranges end plate 17，Right piston 13 is arranged on the right side of end plate 17，It is provided with groove 18 on the right side of described left piston 12，Groove 18 cooperates with the end plate 17 of piston rod 11，One end being positioned at outside cylinder body 10 of described piston rod 11 is hinged on the waist 8 of pitman arm 1.Cylinder body 10 outer portion that is positioned at of piston rod 11 is provided with flexible sheath 19, and the left side of cylinder body 10 arranges connector 20, and cylinder body 10 is by the hinged vehicle frame with passenger vehicle of connector 20
During use, when passenger vehicle turns to, pitman arm 1 changes direction with vehicle frame, pitman arm 1 changes the direction of two knuckles 5 of servo-actuated vehicle bridge by steering linkage 4, thus change the direction of the wheel of servo-actuated vehicle bridge, thus the slip changing wheel is rolling, alleviates the frictional force of wheel and ground, reduces tire wear when turning.The setting of steering damper 2, it is possible to play cushioning effect between pitman arm 1 and vehicle frame, thus issuable shimmy during eliminating follow-up steering, keep turning to steadily.And now, two steering, locking cylinders 3 of the present utility model do not start.Only steering, locking cylinder 3 does not starts, and pitman arm 1 of the present utility model could action.
When passenger vehicle is run at high speed, can there is violent shimmy phenomenon because of high-speed rotation in the wheel of the most servo-actuated vehicle bridge, it is violent that shimmy to affect the passenger vehicle run at high speed handling, now, bus controlling system sends signal to steering, locking cylinder 3, gases at high pressure pass through air inlet pipe 16 air inlet, in cylinder body 10, it is passed through gases at high pressure from two air inlets 15 simultaneously, gases at high pressure promote left piston 12 and right piston 13 to move in the middle part of cylinder body 10 simultaneously, when left piston 12 and right piston 13 move to jump ring 14 position, left piston 12 and right piston 13 stop motion, gases at high pressure flow out from gas outlet, now, the end plate 17 of piston rod 11 is crushed to death in the groove 18 of left piston 12, end plate 17 is clamped by left piston 12 and right piston 13, thus realize the locked of piston rod 11.The piston cylinder of two steering, locking cylinders 3 of pitman arm 1 both sides locking simultaneously, pitman arm 1 is clamped from both sides, pitman arm 1 now cannot occur the change in any direction, pitman arm 1 is locked, pitman arm 1 is motionless, two wheels of the most servo-actuated vehicle bridge also cannot change direction, thus eliminate when wheel is run at high speed shimmy, prevent the out-of-control phenomenon that passenger vehicle occurs because of the most shimmy of wheel.
In like manner, when passenger vehicle is moveed backward, two steering, locking cylinders 3 can clamp pitman arm 1, and ensures that passenger vehicle straight line car-backing travels, it is to avoid the uncertainty of the travel direction occurred during passenger vehicle reversing.
To illustrate that, above-described embodiment is illustrative not limiting to technical solutions of the utility model, the equivalent of art those of ordinary skill or other amendment made according to prior art, as long as not beyond thinking and the scope of technical solutions of the utility model, within should be included in the interest field required by this utility model.
Claims (6)
1. a multiaxis passenger vehicle slave steering system, it is characterized in that: include pitman arm (1), steering damper (2), steering, locking cylinder (3) and steering linkage (4), described pitman arm (1) is installed on bottom of frame, pitman arm (1) two sides of tail connects two knuckles (5) of the servo-actuated vehicle bridge of passenger vehicle respectively by two steering linkages (4), the both sides, middle part of described pitman arm (1) connect the both sides of bus frame respectively by two steering dampers (2), the both sides, middle part of described pitman arm (1) connect the both sides of bus frame respectively by two steering, locking cylinders (3), steering, locking cylinder (3) is arranged between steering linkage (4) and steering damper (2).
nullMultiaxis passenger vehicle slave steering system the most according to claim 1，It is characterized in that: described pitman arm (1) includes the head (6) of integrative-structure、Shoulder (7)、Waist (8) and leg (9)，Described head (6) is square structure，The head (6) of pitman arm (1) is hinged is installed on bottom of frame，It is shoulder (7) under the head (6) of described pitman arm (1)，Described shoulder (7) is "eight" shape structure，The hinged shoulder (7) with pitman arm (1) of steering damper (2)，It is waist (8) under the shoulder (7) of described pitman arm (1)，Waist (8) is that pitman arm (1) is to the projection of both sides，Steering, locking cylinder (3) is hinged on the waist (8) of pitman arm (1)，It is leg (9) under the waist (8) of described pitman arm (1)，Leg (9) is two projections that pitman arm (1) is downward，Steering linkage (4) is hinged on the leg (9) of pitman arm (1).
nullMultiaxis passenger vehicle slave steering system the most according to claim 1，It is characterized in that: described steering, locking cylinder (3) is air pressure locking cylinder，Including cylinder body (10)、Piston rod (11)、Left piston (12)、Right piston (13) and jump ring (14)，Described cylinder body (10) both sides respectively arrange an air inlet (15)，Two air inlets (15) connect same air inlet pipe (16)，The middle part of described cylinder body (10) arranges a gas outlet (21) and jump ring (14)，Left piston (12) and right piston (13) are set in cylinder body (10)，Left piston (12) and right piston (13) are respectively at the left and right sides of jump ring (14)，It is provided with piston rod (11) on described right piston (13)，Described piston rod (11) is positioned at one end of cylinder body (10) and arranges end plate (17)，Right piston (13) is arranged on end plate (17) right side，Described left piston (12) right side is provided with groove (18)，Groove (18) cooperates with the end plate (17) of piston rod (11)，Cylinder body (10) one end outward that is positioned at of described piston rod (11) is hinged on the waist (8) of pitman arm (1).
Multiaxis passenger vehicle slave steering system the most according to claim 3, it is characterised in that: described left piston (12) and right piston (13) are slide block type piston.
Multiaxis passenger vehicle slave steering system the most according to claim 3, it is characterised in that: cylinder body (10) outer portion that is positioned at of described piston rod (11) is provided with flexible sheath (19).
Multiaxis passenger vehicle slave steering system the most according to claim 3, it is characterised in that: the left side of described cylinder body (10) arranges connector (20), and cylinder body (10) is by the hinged vehicle frame with passenger vehicle of connector (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178190.0U CN205574048U (en) | 2016-03-09 | 2016-03-09 | Multiaxis is follow -up a steering system for passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178190.0U CN205574048U (en) | 2016-03-09 | 2016-03-09 | Multiaxis is follow -up a steering system for passenger train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205574048U true CN205574048U (en) | 2016-09-14 |
Family
ID=56868213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620178190.0U Expired - Fee Related CN205574048U (en) | 2016-03-09 | 2016-03-09 | Multiaxis is follow -up a steering system for passenger train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205574048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774903A (en) * | 2016-03-09 | 2016-07-20 | 郑州精益达汽车零部件有限公司 | Follow-up steering system used for multi-shaft passenger car |
-
2016
- 2016-03-09 CN CN201620178190.0U patent/CN205574048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774903A (en) * | 2016-03-09 | 2016-07-20 | 郑州精益达汽车零部件有限公司 | Follow-up steering system used for multi-shaft passenger car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20210309 |