CN205554313U - Multiaxis grouping vehicle turns to device - Google Patents
Multiaxis grouping vehicle turns to device Download PDFInfo
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- CN205554313U CN205554313U CN201521136505.7U CN201521136505U CN205554313U CN 205554313 U CN205554313 U CN 205554313U CN 201521136505 U CN201521136505 U CN 201521136505U CN 205554313 U CN205554313 U CN 205554313U
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Abstract
The utility model discloses a multiaxis grouping vehicle turns to device, when the vehicle passed through the long radius bend, the driver need not to open static pressure transmission switch, and the vehicle only participates in turning to with I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism. When the vehicle passes through the small diameter bend, the driver opens static pressure transmission switch, through producing the linkage relation between III bridge pneumatic cylinder and the V bridge pneumatic cylinder between III bridge steering mechanism and the V bridge steering mechanism, I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism, V bridge steering mechanism, VI bridge steering mechanism, VII bridge steering mechanism, the whole participation of VIII bridge steering mechanism turns to, the vehicle led to turn the corner way ability reinforce this moment, it is flexible, compare with former steering mechanism, it is littleer to have turning radius, large deflection is littleer, the littleer advantage of non - steering axle wheel wearing and tearing volume, it is serious to have solved steering mechanism IV bridges of existence and the V bridge tyre wear among the prior art, large deflection is great for I bridge and VIII bridges, the poor technical problem of trafficability characteristic.
Description
Technical field
The utility model relates to technical field of vehicle, particularly relates to a kind of multiaxis packet vehicle steering device.
Background technology
At present, existing eight axle extra heavy off road vehicle chassis steering mechanism use packet to turn to, and I bridge, II bridge, III bridge are one group, and VI bridge, VII bridge, VIII bridge are one group, IV bridge and V bridge are non-steering axle, and instantaneous center of turn is on the extended line in IV bridge and V bridge centre position.This steering mechanism exists that IV bridge and V bridge tire wear be serious, I bridge and VIII bridge hard-over is relatively big, shortcoming by property difference.
Utility model content
The application provides a kind of multiaxis packet vehicle steering device, solves IV bridge that steering mechanism of the prior art exists and V bridge tire wear is serious, I bridge and VIII bridge hard-over is relatively big, technical problem by property difference.
The application provides a kind of multiaxis packet vehicle steering device, and described transfer includes:
Steering driving mechanism；
I bridge steering mechanism, is connected with described steering driving mechanism, drives I bridge wheel steering under described steering driving mechanism drives；
II bridge steering mechanism, is connected with described I bridge steering mechanism, drives II bridge wheel steering under described I bridge steering mechanism drives；
III bridge steering mechanism, is connected with described II bridge steering mechanism, drives III bridge wheel steering under described II bridge steering mechanism drives；
V bridge steering mechanism, is provided with Hydrostatic Transfer Device switch between described V bridge steering mechanism and described III bridge steering mechanism, and when described Hydrostatic Transfer Device switch is opened, described V bridge steering mechanism occurs ganged movement with described III bridge steering mechanism；
VI bridge steering mechanism, is connected with described V bridge steering mechanism, when described V bridge steering mechanism's start, drives VI bridge wheel steering；
VII bridge steering mechanism, is connected with described VI bridge steering mechanism, when described V bridge steering mechanism's start, along with described VI bridge steering mechanism drives VII bridge wheel steering；
VIII bridge steering mechanism, is connected with described VII bridge steering mechanism, when described V bridge steering mechanism's start, along with described VII bridge steering mechanism drives VIII bridge wheel steering.
Preferably, described steering driving mechanism includes that the steering gear being fixed on described vehicle frame, one end are fixed on the pitman arm in described steering gear, the transmission arm being rotationally fixed on described vehicle frame, are connected described transmission arm one end and the front tension bar of the described pitman arm other end.
Preferably, described I bridge steering mechanism includes that one end is fixed on the I bridge of the other end of described transmission arm and is turned to front tension bar, it is rotationally fixed to the I bridge U-shaped arm that on described vehicle frame and one end turns to the other end of front tension bar to be connected with described I bridge, it is rotationally connected I bridge turn side pull bar one of the first wheel of the described I bridge U-shaped arm other end and described I bridge wheel, the I bridge chevron that one end is articulated with on described vehicle frame, connect I bridge turn side pull bar two of the second wheel of the described I bridge chevron other end and described I bridge wheel, connect described I bridge chevron and I bridge track rod of described I bridge U-shaped arm, and cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the I bridge hydraulic cylinder of described I bridge U-shaped arm.
nullPreferably，Described II bridge steering mechanism includes the intermediate draw bar that one end is connected with the end of described I bridge U-shaped arm、One end is articulated with the other end on described vehicle frame and is connected to the II bridge arched linkage arm of the described intermediate draw bar other end、The II bridge at the middle part that one end connects described II bridge arched linkage arm turns to back stay、It is rotationally fixed on described vehicle frame and II bridge U-shaped arm that one end turns to the back stay other end to be connected with described II bridge、It is rotationally connected the other end of described II bridge U-shaped arm and the II bridge turn side pull bar one of the first wheel of described II bridge wheel、The II bridge chevron that one end is articulated with on described vehicle frame、Connect the II bridge turn side pull bar two of the second wheel of the described II bridge chevron other end and described II bridge vehicle、Connect described II bridge chevron and the II bridge track rod of described II bridge U-shaped arm、And cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the II bridge hydraulic cylinder of described II bridge U-shaped arm，Wherein，The described end of described I bridge U-shaped arm turns to front tension bar to be connected with described I bridge.
nullPreferably，Described III bridge steering mechanism includes the III bridge steering linkage that one end is connected with the end of described II bridge U-shaped arm、It is rotationally fixed on described vehicle frame and III bridge U-shaped arm that one end is connected with the described III bridge steering linkage other end、It is rotationally connected the other end of described III bridge U-shaped arm and the III bridge turn side pull bar one of the first wheel of described III bridge vehicle、The III bridge chevron that one end is articulated with on described vehicle frame、Connect the III bridge turn side pull bar two of the second wheel of the described III bridge chevron other end and described III bridge wheel、Connect described III bridge chevron and the III bridge track rod of described III bridge U-shaped arm、And cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the III bridge hydraulic cylinder of described III bridge U-shaped arm，Wherein，The end of described II bridge U-shaped arm turns to back stay to be connected with described II bridge.
Preferably, described V bridge steering mechanism includes V bridge chevron that the V bridge turn side pull bar one of the second wheel of the V bridge U-shaped arm being articulated with on described vehicle frame, the other end being rotationally connected described V bridge U-shaped arm and described V bridge wheel, one end be articulated with on described vehicle frame, the V bridge turn side pull bar two of the first wheel of connecting the described V bridge chevron other end and described V bridge wheel, connects described V bridge chevron and the V bridge track rod of described V bridge U-shaped arm and cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the V bridge hydraulic cylinder of described V bridge U-shaped arm.
Preferably, described transfer also includes that the centering hydraulic cylinder that cylinder body is articulated with on described vehicle frame, described bridge U-shaped arm are connected with the piston rod of described centering hydraulic cylinder.
Preferably, described VI bridge steering mechanism includes that the VI bridge of the end that one end is connected on described V bridge U-shaped arm be connected with the piston rod of described centering hydraulic cylinder turns to intermediate draw bar, one end is connected to the other end that described VI bridge turns to intermediate draw bar and the VI bridge U-shaped arm being articulated with on vehicle frame, connect the other end of described VI bridge U-shaped arm and VI bridge turn side pull bar one of the second wheel of described VI bridge wheel, the VI bridge chevron that one end is articulated with on described vehicle frame, connect the VI bridge turn side pull bar two of the first wheel of the described VI bridge chevron other end and described VI bridge wheel, connect described VI bridge chevron and the VI bridge track rod of described VI bridge U-shaped arm, and cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the VI bridge hydraulic cylinder of VI bridge U-shaped arm.
Preferably, described VII bridge steering mechanism includes that the VII bridge of the end that one end is connected on described VI bridge U-shaped arm turn to intermediate draw bar to be connected with described VI bridge turns to intermediate draw bar, it is connected to the other end that described VII bridge turns to intermediate draw bar and the VII bridge U-shaped arm being articulated with on vehicle frame, it is rotationally connected the VII bridge turn side pull bar one of the second wheel of the described VII bridge U-shaped arm other end and described VII bridge wheel, the VII bridge chevron being articulated with on described vehicle frame, connect VII bridge turn side pull bar two of the first wheel of described VII bridge chevron one end and described VII bridge wheel, connect described VII bridge chevron and VII bridge track rod of described VII bridge U-shaped arm, and cylinder body is articulated with the VII bridge fluid cylinder that described vehicle frame upper piston rod is fixed on the other end of described VII bridge U-shaped arm.
nullPreferably，Described VIII bridge steering mechanism includes that the VIII bridge of the end that one end is connected on described VII bridge U-shaped arm turn to intermediate draw bar to be connected with described VII bridge turns to intermediate draw bar、The other end of intermediate draw bar is turned to be connected with described VIII bridge and VIII bridge arcuate oscillating motion arm that one end is articulated with on described vehicle frame、The VIII bridge that one end is connected with the other end of described VIII bridge arcuate oscillating motion arm turns to back stay、It is articulated with on described vehicle frame and VIII bridge U-shaped arm that one end turns to the back stay other end to be connected with described VIII bridge、Connect the other end of described VIII bridge U-shaped arm and the VIII bridge turn side pull bar one of the second wheel of described VIII bridge wheel、The VIII bridge chevron that one end is articulated with on described vehicle frame、Connect the other end of described VIII bridge chevron and the VIII bridge turn side pull bar two of the first wheel of described VIII bridge wheel、Connect described VIII bridge U-shaped arm and the VIII bridge track rod of described VIII bridge chevron、And cylinder body is articulated with the VIII bridge hydraulic cylinder that described vehicle frame upper piston rod is fixed on described VIII bridge U-shaped arm；
Wherein, first wheel of described I bridge wheel, first wheel of described II bridge wheel, first wheel of described III bridge wheel, first wheel of described V bridge wheel, first wheel of described VI bridge wheel, first wheel of described VII bridge wheel, first wheel of described VIII bridge wheel is positioned at the side of described vehicle frame, second wheel of described I bridge wheel, second wheel of described II bridge wheel, second wheel of described III bridge wheel, second wheel of described V bridge wheel, second wheel of described VI bridge wheel, second wheel of described VII bridge wheel, second wheel of described VIII bridge wheel is positioned at the opposite side of vehicle frame.
The application has the beneficial effect that:
When vehicle is by large radius bend, driver is without opening Hydrostatic Transfer Device switch, and vehicle only participates in turning to Qian Zu steering mechanism (I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism).When vehicle is by small radius, driver opens Hydrostatic Transfer Device switch, by producing interaction relation between III bridge hydraulic cylinder and V bridge hydraulic cylinder between III bridge steering mechanism and V bridge steering mechanism, I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism, V bridge steering mechanism, VI bridge steering mechanism, VII bridge steering mechanism, VIII bridge steering mechanism all participates in turning to, now vehicle is strong by bend ability, flexible, compared with former steering mechanism, there is radius of turn less, hard-over is less, the advantage that non-steering axle wheel wear amount is less, solve steering mechanism of the prior art and there is IV bridge and V bridge tire wear is serious, I bridge and VIII bridge hard-over are bigger, technical problem by property difference.
Accompanying drawing explanation
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, in describing embodiment below, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only embodiments more of the present utility model.
Fig. 1 is the structural representation of a kind of multiaxis of the application better embodiment packet vehicle steering device；
Fig. 2 is the steering principle figure of the transfer in Fig. 1；
Fig. 3 is the III bridge hydraulic cylinder static pressure transfer principle figure with V bridge hydraulic cylinder of the transfer in Fig. 1.
Detailed description of the invention
The embodiment of the present application, by providing a kind of multiaxis packet vehicle steering device, solves steering mechanism of the prior art and there is IV bridge and V bridge tire wear is serious, I bridge and VIII bridge hard-over is relatively big, technical problem by property difference.
Technical scheme in the embodiment of the present application is for solving above-mentioned technical problem, and general thought is as follows:
A kind of multiaxis packet vehicle steering device, described transfer includes: steering driving mechanism；I bridge steering mechanism, is connected with described steering driving mechanism, drives I bridge wheel steering under described steering driving mechanism drives；II bridge steering mechanism, is connected with described I bridge steering mechanism, drives II bridge wheel steering under described I bridge steering mechanism drives；III bridge steering mechanism, is connected with described II bridge steering mechanism, drives III bridge wheel steering under described II bridge steering mechanism drives；V bridge steering mechanism, is provided with Hydrostatic Transfer Device switch between described V bridge steering mechanism and described III bridge steering mechanism, and when described Hydrostatic Transfer Device switch is opened, described V bridge steering mechanism occurs ganged movement with described III bridge steering mechanism；VI bridge steering mechanism, is connected with described V bridge steering mechanism, when described V bridge steering mechanism's start, drives VI bridge wheel steering；VII bridge steering mechanism, is connected with described VI bridge steering mechanism, when described V bridge steering mechanism's start, along with described VI bridge steering mechanism drives VII bridge wheel steering；VIII bridge steering mechanism, is connected with described VII bridge steering mechanism, when described V bridge steering mechanism's start, along with described VII bridge steering mechanism drives VIII bridge wheel steering.
When vehicle is by large radius bend, driver is without opening Hydrostatic Transfer Device switch, and vehicle only participates in turning to Qian Zu steering mechanism (I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism).When vehicle is by small radius, driver opens Hydrostatic Transfer Device switch, by producing interaction relation between III bridge hydraulic cylinder and V bridge hydraulic cylinder between III bridge steering mechanism and V bridge steering mechanism, I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism, V bridge steering mechanism, VI bridge steering mechanism, VII bridge steering mechanism, VIII bridge steering mechanism all participates in turning to, now vehicle is strong by bend ability, flexible, compared with former steering mechanism, there is radius of turn less, hard-over is less, the advantage that non-steering axle wheel wear amount is less, solve steering mechanism of the prior art and there is IV bridge and V bridge tire wear is serious, I bridge and VIII bridge hard-over are bigger, technical problem by property difference.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment, technique scheme is described in detail.
In order to solve steering mechanism of the prior art and have that IV bridge and V bridge tire wear be serious, I bridge and VIII bridge hard-over is relatively big, technical problem by property difference, the application provides a kind of multiaxis packet vehicle steering device.As it is shown in figure 1, described transfer includes: Qian Zu steering mechanism and Hou Zu steering mechanism.Described Qian Zu steering mechanism includes steering driving mechanism, I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism.Described Hou Zu steering mechanism includes centering hydraulic cylinder 19, VI bridge steering mechanism, VII bridge steering mechanism, VIII bridge steering mechanism.In the present embodiment, I bridge, II bridge, III bridge, V bridge, VI bridge, VII bridge, VIII bridge are steeraxle, and IV bridge is non-steering axle, and instantaneous center of turn remains on IV bridge elongated central line.
The transmission arm 4 of the A1 point that steering driving mechanism includes pitman arm 2 that the steering gear 1 being fixed on vehicle frame, one end be fixed in steering gear 1, be rotationally fixed on vehicle frame, connect one end of described transmission arm 4 and the front tension bar 3 of the other end of described pitman arm 2.
I bridge steering mechanism, is connected with described steering driving mechanism, drives I bridge wheel steering under described steering driving mechanism drives.Specifically, I bridge steering mechanism includes that the I bridge of the other end being fixed on described transmission arm 4 in one end turns to front tension bar 5, the I bridge U-shaped arm 6 that the A2 point being rotationally fixed on vehicle frame and one end turn to the other end of front tension bar 5 to be connected with described I bridge, it is rotationally connected the other end of described I bridge U-shaped arm 6 and I bridge turn side pull bar 1 of I bridge the first wheel, one end is articulated with I bridge chevron 57 on the A3 point of described vehicle frame, connect I bridge turn side pull bar 2 55 of described I bridge chevron 57 other end and I bridge the second wheel, connect described I bridge chevron 57 and I bridge track rod 56 of described I bridge U-shaped arm 6, and the A4 point piston rod that is articulated with on vehicle frame of cylinder body is fixed on the I bridge hydraulic cylinder 8 of I bridge U-shaped arm 6.
II bridge steering mechanism, is connected with described I bridge steering mechanism, drives II bridge wheel steering under described I bridge steering mechanism drives.nullSpecifically，II bridge steering mechanism includes the intermediate draw bar 9 that one end is connected with the end of I bridge U-shaped arm 6、One end is articulated with the A5 point other end on vehicle frame and is connected to the II bridge arched linkage arm 10 of described intermediate draw bar 9 other end、The II bridge at the middle part that one end connects II bridge arched linkage arm 10 turns to back stay 11、The II bridge U-shaped arm 14 that the A6 point being rotationally fixed on vehicle frame and one end turn to back stay 11 other end to be connected with described II bridge、It is rotationally connected the other end of described II bridge U-shaped arm 14 and the II bridge turn side pull bar 1 of II bridge the first wheel、One end is articulated with the II bridge chevron 52 on the A7 point of described vehicle frame、Connect the II bridge turn side pull bar 2 54 of described II bridge chevron 52 other end and II bridge the second wheel、Connect described II bridge chevron 52 and the II bridge track rod 53 of described II bridge U-shaped arm 14、And the A8 point piston rod that is articulated with on vehicle frame of cylinder body is fixed on the II bridge hydraulic cylinder 13 of II bridge U-shaped arm 14，Wherein，The described end of described I bridge U-shaped arm 6 turns to front tension bar 5 to be connected with described I bridge.
III bridge steering mechanism, is connected with described II bridge steering mechanism, drives III bridge wheel steering under described II bridge steering mechanism drives.nullSpecifically，III bridge steering mechanism includes the III bridge steering linkage 15 that one end is connected with the end of II bridge U-shaped arm 14、The III bridge U-shaped arm 18 that the A9 point being rotationally fixed on vehicle frame and one end are connected with described III bridge steering linkage 15 other end、It is rotationally connected the other end of described III bridge U-shaped arm 18 and the III bridge turn side pull bar 1 of III bridge the first wheel、One end is articulated with the III bridge chevron 49 on the A10 point of described vehicle frame、Connect the III bridge turn side pull bar 2 51 of described III bridge chevron 49 other end and III bridge the second wheel、Connect described III bridge chevron 49 and the III bridge track rod 50 of described III bridge U-shaped arm 18、And the A11 point piston rod that is articulated with on vehicle frame of cylinder body is fixed on the III bridge hydraulic cylinder 17 of III bridge U-shaped arm 18，Wherein，The described end of described II bridge U-shaped arm 14 turns to back stay 11 to be connected with described II bridge.
Hereinafter being first introduced the operation principle of Qian Zu steering mechanism, please refer to Fig. 2, when divertical motion is transferred to steering gear 1 by driver turn steering wheel, divertical motion is passed to pitman arm 2 and is allowed to around steering gear 1 output shaft rotation by steering gear 1；Under pitman arm 2 acts on, front tension bar 3 promotes transmission arm 4 to rotate around an A1, when transmission arm 4 rotates, divertical motion turns to front tension bar 5 to be transferred to II bridge by I bridge and turns to intermediate draw bar 9, and after receiving divertical motion, I bridge turns to front tension bar 5 to promote I bridge U-shaped arm 6 to rotate around an A2, I bridge hydraulic cylinder 8 one end and vehicle frame are articulated with an A4, the other end and I bridge U-shaped arm 6 connect, thus power-assisted acts on I bridge U-shaped arm 6, and I bridge steering mechanism completes divertical motion；Then, II bridge turns to intermediate draw bar 9 to promote II bridging swing arm 10 to rotate around an A5, II bridge turns to back stay 11 one end to be connected with II bridging swing arm 10, the other end and II bridge U-shaped arm 14 connect, II bridging swing arm 10 is when an A5 rotates, divertical motion is transferred to II bridge and turns to back stay 11, thus promote II bridge U-shaped arm 14 to rotate around an A6, II bridge hydraulic cylinder 13 one end and vehicle frame are articulated with an A8, the other end and II bridge U-shaped arm 14 connect, thus power-assisted is acted on II bridge U-shaped arm 14, II bridge steering mechanism completes divertical motion；III bridge steering linkage 15 one end is connected with II bridge U-shaped arm 14, the other end and III bridge U-shaped arm 18 connect, II bridge U-shaped arm 14 is when an A6 rotates, divertical motion passes to III bridge steering linkage 15 thus promotes III bridge U-shaped arm 18 to rotate around an A9, III bridge hydraulic cylinder 17 one end and vehicle frame are articulated with an A11, the other end and III bridge U-shaped arm 18 connect, thus power-assisted acts on III bridge U-shaped arm 18, and III bridge steering mechanism completes divertical motion.
Hou Zu steering mechanism introduced below.
The cylinder body of centering hydraulic cylinder 19 is articulated with on the A14 point of vehicle frame.
V bridge steering mechanism, it is provided with Hydrostatic Transfer Device switch between described V bridge steering mechanism and described III bridge steering mechanism, when described Hydrostatic Transfer Device switch is opened, ganged movement is there is in described V bridge steering mechanism with described III bridge steering mechanism, when described Hydrostatic Transfer Device switch cuts out, described V bridge steering mechanism and described III bridge steering mechanism stopping link.Specifically, V bridge steering mechanism includes that one end is connected on the piston rod of described centering hydraulic cylinder 19 and is articulated with V bridge U-shaped arm 48 of the A13 point of vehicle frame, it is rotationally connected the other end of described V bridge U-shaped arm 48 and V bridge turn side pull bar 1 of V bridge the second wheel, one end is articulated with the V bridge chevron 21 on the A12 point of described vehicle frame, connect the V bridge turn side pull bar 2 22 of described V bridge chevron 21 other end and V bridge the first wheel, connect described V bridge chevron 21 and the V bridge track rod 47 of described V bridge U-shaped arm 48, and the A15 point piston rod that is articulated with on vehicle frame of cylinder body is fixed on the V bridge hydraulic cylinder 20 of V bridge U-shaped arm 48.
VI bridge steering mechanism, is connected with described V bridge steering mechanism, when described V bridge steering mechanism's start, drives VI bridge wheel steering.nullSpecifically，VI bridge steering mechanism includes that the VI bridge of the end that one end is connected on V bridge U-shaped arm 48 be connected with the piston rod of described centering hydraulic cylinder 19 turns to intermediate draw bar 23、One end is connected to VI bridge and turns to the other end of intermediate draw bar 23 and be articulated with the VI bridge U-shaped arm 45 of A17 point of vehicle frame、It is rotationally connected the other end of described VI bridge U-shaped arm 45 and VI bridge turn side pull bar 1 of VI bridge the second wheel、One end is articulated with the VI bridge chevron 24 on the A16 point of described vehicle frame、Connect the VI bridge turn side pull bar 2 26 of described VI bridge chevron 24 other end and VI bridge the first wheel、Connect described VI bridge chevron 24 and the VI bridge track rod 44 of described VI bridge U-shaped arm 45、And the A18 point piston rod that is articulated with on vehicle frame of cylinder body is fixed on the VI bridge hydraulic cylinder 25 of VI bridge U-shaped arm 45.
VII bridge steering mechanism, is connected with described VI bridge steering mechanism, when described V bridge steering mechanism's start, along with described VI bridge steering mechanism drives VII bridge wheel steering.nullSpecifically，VII bridge steering mechanism includes that the VII bridge of the end that one end is connected on VI bridge U-shaped arm 45 turn to intermediate draw bar 23 to be connected with described VI bridge turns to intermediate draw bar 27、End is connected to VII bridge and turns to the other end of intermediate draw bar 27 and be articulated with the VII bridge U-shaped arm 42 of A20 point of vehicle frame、It is rotationally connected the other end of described VII bridge U-shaped arm 42 and the VII bridge turn side pull bar 1 of VII bridge the second wheel、The VII bridge chevron 28 being articulated with on the A19 point of described vehicle frame、Connect VII bridge turn side pull bar 2 29 of described VII bridge chevron 28 one end and VII bridge the first wheel、Connect described VII bridge chevron 28 and VII bridge track rod 41 of described VII bridge U-shaped arm 42、And the A21 point piston rod that is articulated with on vehicle frame of cylinder body is fixed on the VII bridge fluid cylinder 30 of the other end of VII bridge U-shaped arm 42.
VIII bridge steering mechanism, is connected with described VII bridge steering mechanism, when described V bridge steering mechanism's start, along with described VII bridge steering mechanism drives VIII bridge wheel steering.nullSpecifically，VIII bridge steering mechanism includes that the VIII bridge of the end that one end is connected on VII bridge U-shaped arm 42 turn to intermediate draw bar 27 to be connected with described VII bridge turns to intermediate draw bar 31、Turn to the other end of intermediate draw bar 31 to be connected with described VIII bridge and one end is articulated with the VIII bridge arcuate oscillating motion arm 32 of A22 point of vehicle frame、The VIII bridge that one end is connected with the other end of VIII bridge arcuate oscillating motion arm 32 turns to back stay 33、It is articulated with the A24 point of vehicle frame and VIII bridge U-shaped arm 37 that one end turns to the other end of back stay 33 to be connected with VIII bridge、Connect the other end of described VIII bridge U-shaped arm 37 and the VIII bridge turn side pull bar 1 of VIII bridge the second wheel、One end is articulated with the VIII bridge chevron 35 on the A23 point of described vehicle frame、Connect the other end and the VIII bridge turn side pull bar 2 34 of VIII bridge the first wheel of VIII bridge chevron 35、Connect the VIII bridge track rod 39 of VIII bridge U-shaped arm 37 and VIII bridge chevron 35、And the A25 point piston rod that cylinder body is articulated with on vehicle frame is fixed on the VIII bridge hydraulic cylinder 36 on VIII bridge U-shaped arm 37
Wherein, I bridge the first wheel, II bridge the first wheel, III bridge the first wheel, V bridge the first wheel, VI bridge the first wheel, VII bridge the first wheel, VIII bridge the first wheel are positioned at the side of vehicle frame, and I bridge the second wheel, II bridge the second wheel, III bridge the second wheel, V bridge the second wheel, VI bridge the second wheel, VII bridge the second wheel, VIII bridge the second wheel are positioned at the opposite side of vehicle frame.
The operation principle of Hou Zu steering mechanism introduced below:
Centering hydraulic cylinder 19 has centering latch functions, and VII bridge hydraulic cylinder 30 has centering and assist function.When Hydrostatic Transfer Device switch in chassis cuts out, centering hydraulic cylinder 19 centering locking, it is ensured that V bridge tie rod linkage and wheel are in center position.When Hydrostatic Transfer Device switch in chassis is opened, Hydrostatic Transfer Device certainty ratio ganged movement occurs between III bridge hydraulic cylinder 17 and centering hydraulic cylinder 19, as shown in Figure 3, thus promote V bridge U-shaped arm 48 to rotate around an A13, thus divertical motion is transferred to V bridge steering mechanism by III bridge steering mechanism, and V bridge steering mechanism completes divertical motion；In like manner, V bridge U-shaped arm 48 is when an A13 rotates, and divertical motion is turned to intermediate draw bar 23 to be transferred to VI bridge U-shaped arm 45 by VI bridge, and power-assisted is acted on VI bridge U-shaped arm 45 by VI bridge hydraulic cylinder 25, and VI bridge steering mechanism completes divertical motion；VI bridge U-shaped arm 45 is when an A17 rotates, and divertical motion is turned to intermediate draw bar 27 to be transferred to VII bridge U-shaped arm 42 by VII bridge, and power-assisted is acted on VII bridge U-shaped arm 42 by VII bridge hydraulic cylinder 30, and VII bridge steering mechanism completes divertical motion；VII bridge U-shaped arm 42 is when an A20 rotates, divertical motion is turned to intermediate draw bar 31, VIII bridge swing arm 32, VIII bridge to turn to back stay 33 to be transferred to VIII bridge U-shaped arm 37 by VIII bridge, power-assisted is acted on VIII bridge U-shaped arm 37 by VIII bridge hydraulic cylinder 36, and VIII bridge steering mechanism completes divertical motion.
When vehicle is by large radius bend, driver is without opening Hydrostatic Transfer Device switch, and vehicle only participates in turning to Qian Zu steering mechanism (I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism).When vehicle is by small radius, driver opens Hydrostatic Transfer Device switch, by producing interaction relation between III bridge hydraulic cylinder 17 and V bridge hydraulic cylinder 20 between III bridge steering mechanism and V bridge steering mechanism, I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism, V bridge steering mechanism, VI bridge steering mechanism, VII bridge steering mechanism, VIII bridge steering mechanism all participates in turning to, now vehicle is strong by bend ability, flexible, compared with former steering mechanism, there is radius of turn less, hard-over is less, the advantage that non-steering axle wheel wear amount is less, solve steering mechanism of the prior art and there is IV bridge and V bridge tire wear is serious, I bridge and VIII bridge hard-over are bigger, technical problem by property difference.
It addition, according to the parameters such as the axle load of each steeraxle, tire pressure, coefficient of friction calculate the steering drag of steeraxle away from；Steering drag according to each steeraxle is away from initialization system maximum pressure, and designs according to each steeraxle tie rod linkage ultimate angle and arrange hydraulic cylinder；According to III bridge steering mechanism and the theoretical angle relation of V bridge steering mechanism and two bridge tie rod linkages, designing and be disposed to realize the hydraulic cylinder of Hydrostatic Transfer Device, Hydrostatic Transfer Device principle is as shown in Figure 3.When Hydrostatic Transfer Device switch is opened and currently group steering mechanism moves, under its power-assisted effect, rear group tie rod linkage completes to turn to.
I bridge steering mechanism, II bridge steering mechanism, III bridge steering mechanism steering wheel angle direction and V bridge steering mechanism, VI bridge steering mechanism, VII bridge steering mechanism, VIII bridge steering mechanism steering wheel angle are in opposite direction.
Although having been described for preferred embodiment of the present utility model, but those skilled in the art once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification without deviating from spirit and scope of the present utility model to the utility model.So, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a multiaxis packet vehicle steering device, it is characterised in that described transfer includes:
Steering driving mechanism；
I bridge steering mechanism, is connected with described steering driving mechanism, drives I bridge wheel steering under described steering driving mechanism drives；
II bridge steering mechanism, is connected with described I bridge steering mechanism, drives II bridge wheel steering under described I bridge steering mechanism drives；
III bridge steering mechanism, is connected with described II bridge steering mechanism, drives III bridge wheel steering under described II bridge steering mechanism drives；
V bridge steering mechanism, is provided with Hydrostatic Transfer Device switch between described V bridge steering mechanism and described III bridge steering mechanism, and when described Hydrostatic Transfer Device switch is opened, described V bridge steering mechanism occurs ganged movement with described III bridge steering mechanism；
VI bridge steering mechanism, is connected with described V bridge steering mechanism, when described V bridge steering mechanism's start, drives VI bridge wheel steering；
VII bridge steering mechanism, is connected with described VI bridge steering mechanism, when described V bridge steering mechanism's start, along with described VI bridge steering mechanism drives VII bridge wheel steering；
VIII bridge steering mechanism, is connected with described VII bridge steering mechanism, when described V bridge steering mechanism's start, along with described VII bridge steering mechanism drives VIII bridge wheel steering.
2. transfer as claimed in claim 1, it is characterized in that, described steering driving mechanism includes that the steering gear being fixed on vehicle frame, one end are fixed on the pitman arm in described steering gear, the transmission arm being rotationally fixed on described vehicle frame, are connected described transmission arm one end and the front tension bar of the described pitman arm other end.
3. transfer as claimed in claim 2, it is characterized in that, described I bridge steering mechanism includes that one end is fixed on the I bridge of the other end of described transmission arm and is turned to front tension bar, it is rotationally fixed to the I bridge U-shaped arm that on described vehicle frame and one end turns to the other end of front tension bar to be connected with described I bridge, it is rotationally connected I bridge turn side pull bar one of the first wheel of the described I bridge U-shaped arm other end and described I bridge wheel, the I bridge chevron that one end is articulated with on described vehicle frame, connect I bridge turn side pull bar two of the second wheel of the described I bridge chevron other end and described I bridge wheel, connect described I bridge chevron and I bridge track rod of described I bridge U-shaped arm, and cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the I bridge hydraulic cylinder of described I bridge U-shaped arm.
null4. transfer as claimed in claim 3，It is characterized in that，Described II bridge steering mechanism includes the intermediate draw bar that one end is connected with the end of described I bridge U-shaped arm、One end is articulated with the other end on described vehicle frame and is connected to the II bridge arched linkage arm of the described intermediate draw bar other end、The II bridge at the middle part that one end connects described II bridge arched linkage arm turns to back stay、It is rotationally fixed on described vehicle frame and II bridge U-shaped arm that one end turns to the back stay other end to be connected with described II bridge、It is rotationally connected the other end of described II bridge U-shaped arm and the II bridge turn side pull bar one of the first wheel of described II bridge wheel、The II bridge chevron that one end is articulated with on described vehicle frame、Connect the II bridge turn side pull bar two of the second wheel of the described II bridge chevron other end and described II bridge vehicle、Connect described II bridge chevron and the II bridge track rod of described II bridge U-shaped arm、And cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the II bridge hydraulic cylinder of described II bridge U-shaped arm，Wherein，The described end of described I bridge U-shaped arm turns to front tension bar to be connected with described I bridge.
null5. transfer as claimed in claim 4，It is characterized in that，Described III bridge steering mechanism includes the III bridge steering linkage that one end is connected with the end of described II bridge U-shaped arm、It is rotationally fixed on described vehicle frame and III bridge U-shaped arm that one end is connected with the described III bridge steering linkage other end、It is rotationally connected the other end of described III bridge U-shaped arm and the III bridge turn side pull bar one of the first wheel of described III bridge vehicle、The III bridge chevron that one end is articulated with on described vehicle frame、Connect the III bridge turn side pull bar two of the second wheel of the described III bridge chevron other end and described III bridge wheel、Connect described III bridge chevron and the III bridge track rod of described III bridge U-shaped arm、And cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the III bridge hydraulic cylinder of described III bridge U-shaped arm，Wherein，The described end of described II bridge U-shaped arm turns to back stay to be connected with described II bridge.
6. transfer as claimed in claim 5, it is characterized in that, described V bridge steering mechanism includes the V bridge U-shaped arm being articulated with on described vehicle frame, it is rotationally connected the other end of described V bridge U-shaped arm and V bridge turn side pull bar one of the second wheel of described V bridge wheel, the V bridge chevron that one end is articulated with on described vehicle frame, connect the V bridge turn side pull bar two of the first wheel of the described V bridge chevron other end and described V bridge wheel, connect described V bridge chevron and the V bridge track rod of described V bridge U-shaped arm, and cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the V bridge hydraulic cylinder of described V bridge U-shaped arm.
7. transfer as claimed in claim 6, it is characterised in that described transfer also includes that the centering hydraulic cylinder that cylinder body is articulated with on described vehicle frame, described bridge U-shaped arm are connected with the piston rod of described centering hydraulic cylinder.
null8. transfer as claimed in claim 7，It is characterized in that，Described VI bridge steering mechanism includes that the VI bridge of the end that one end is connected on described V bridge U-shaped arm be connected with the piston rod of described centering hydraulic cylinder turns to intermediate draw bar、One end is connected to the other end that described VI bridge turns to intermediate draw bar and the VI bridge U-shaped arm being articulated with on vehicle frame、Connect the other end of described VI bridge U-shaped arm and VI bridge turn side pull bar one of the second wheel of described VI bridge wheel、The VI bridge chevron that one end is articulated with on described vehicle frame、Connect the VI bridge turn side pull bar two of the first wheel of the described VI bridge chevron other end and described VI bridge wheel、Connect described VI bridge chevron and the VI bridge track rod of described VI bridge U-shaped arm、And cylinder body is articulated with described vehicle frame upper piston rod and is fixed on the VI bridge hydraulic cylinder of VI bridge U-shaped arm.
null9. transfer as claimed in claim 8，It is characterized in that，Described VII bridge steering mechanism includes that the VII bridge of the end that one end is connected on described VI bridge U-shaped arm turn to intermediate draw bar to be connected with described VI bridge turns to intermediate draw bar、It is connected to the other end that described VII bridge turns to intermediate draw bar and the VII bridge U-shaped arm being articulated with on vehicle frame、It is rotationally connected the VII bridge turn side pull bar one of the second wheel of the described VII bridge U-shaped arm other end and described VII bridge wheel、The VII bridge chevron being articulated with on described vehicle frame、Connect VII bridge turn side pull bar two of the first wheel of described VII bridge chevron one end and described VII bridge wheel、Connect described VII bridge chevron and VII bridge track rod of described VII bridge U-shaped arm、And cylinder body is articulated with the VII bridge fluid cylinder that described vehicle frame upper piston rod is fixed on the other end of described VII bridge U-shaped arm.
null10. transfer as claimed in claim 9，It is characterized in that，Described VIII bridge steering mechanism includes that the VIII bridge of the end that one end is connected on described VII bridge U-shaped arm turn to intermediate draw bar to be connected with described VII bridge turns to intermediate draw bar、The other end of intermediate draw bar is turned to be connected with described VIII bridge and VIII bridge arcuate oscillating motion arm that one end is articulated with on described vehicle frame、The VIII bridge that one end is connected with the other end of described VIII bridge arcuate oscillating motion arm turns to back stay、It is articulated with on described vehicle frame and VIII bridge U-shaped arm that one end turns to the back stay other end to be connected with described VIII bridge、Connect the other end of described VIII bridge U-shaped arm and the VIII bridge turn side pull bar one of the second wheel of described VIII bridge wheel、The VIII bridge chevron that one end is articulated with on described vehicle frame、Connect the other end of described VIII bridge chevron and the VIII bridge turn side pull bar two of the first wheel of described VIII bridge wheel、Connect described VIII bridge U-shaped arm and the VIII bridge track rod of described VIII bridge chevron、And cylinder body is articulated with the VIII bridge hydraulic cylinder that described vehicle frame upper piston rod is fixed on described VIII bridge U-shaped arm；
Wherein, first wheel of described I bridge wheel, first wheel of described II bridge wheel, first wheel of described III bridge wheel, first wheel of described V bridge wheel, first wheel of described VI bridge wheel, first wheel of described VII bridge wheel, first wheel of described VIII bridge wheel is positioned at the side of described vehicle frame, second wheel of described I bridge wheel, second wheel of described II bridge wheel, second wheel of described III bridge wheel, second wheel of described V bridge wheel, second wheel of described VI bridge wheel, second wheel of described VII bridge wheel, second wheel of described VIII bridge wheel is positioned at the opposite side of vehicle frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136505.7U CN205554313U (en) | 2015-12-31 | 2015-12-31 | Multiaxis grouping vehicle turns to device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136505.7U CN205554313U (en) | 2015-12-31 | 2015-12-31 | Multiaxis grouping vehicle turns to device |
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| Publication Number | Publication Date |
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| CN205554313U true CN205554313U (en) | 2016-09-07 |
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| CN201521136505.7U Active CN205554313U (en) | 2015-12-31 | 2015-12-31 | Multiaxis grouping vehicle turns to device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494502A (en) * | 2016-11-04 | 2017-03-15 | 北京航天发射技术研究所 | Packet steering |
| CN107010110A (en) * | 2017-04-14 | 2017-08-04 | 北京航天发射技术研究所 | A kind of big axle load chassis doube bridge steering |
| CN107054462A (en) * | 2017-04-14 | 2017-08-18 | 北京航天发射技术研究所 | A kind of heavy type chassis doube bridge steering |
| CN107128361A (en) * | 2017-04-28 | 2017-09-05 | 北京机械设备研究所 | A kind of adjustable steering mechanism of trailing wheel suitable for semi-trailer car launcher |
| CN108216360A (en) * | 2018-01-17 | 2018-06-29 | 中国石油大学(华东) | Multiaxis hybrid vehicle mechanical-hydraulic mixes steering with the grouping of active differential |
| CN112758175A (en) * | 2021-01-29 | 2021-05-07 | 航天重型工程装备有限公司 | Carrier vehicle |
| CN112938831A (en) * | 2021-04-12 | 2021-06-11 | 合肥搬易通科技发展有限公司 | Front wheel synchronous rotation hydraulic system and forklift thereof |
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2015
- 2015-12-31 CN CN201521136505.7U patent/CN205554313U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494502A (en) * | 2016-11-04 | 2017-03-15 | 北京航天发射技术研究所 | Packet steering |
| CN107010110A (en) * | 2017-04-14 | 2017-08-04 | 北京航天发射技术研究所 | A kind of big axle load chassis doube bridge steering |
| CN107054462A (en) * | 2017-04-14 | 2017-08-18 | 北京航天发射技术研究所 | A kind of heavy type chassis doube bridge steering |
| CN107128361A (en) * | 2017-04-28 | 2017-09-05 | 北京机械设备研究所 | A kind of adjustable steering mechanism of trailing wheel suitable for semi-trailer car launcher |
| CN108216360A (en) * | 2018-01-17 | 2018-06-29 | 中国石油大学(华东) | Multiaxis hybrid vehicle mechanical-hydraulic mixes steering with the grouping of active differential |
| CN112758175A (en) * | 2021-01-29 | 2021-05-07 | 航天重型工程装备有限公司 | Carrier vehicle |
| CN112938831A (en) * | 2021-04-12 | 2021-06-11 | 合肥搬易通科技发展有限公司 | Front wheel synchronous rotation hydraulic system and forklift thereof |
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