CN205440524U - Multiaxis all wheel steering device and have device's engineering machine tool - Google Patents
Multiaxis all wheel steering device and have device's engineering machine tool Download PDFInfo
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- CN205440524U CN205440524U CN201620205826.6U CN201620205826U CN205440524U CN 205440524 U CN205440524 U CN 205440524U CN 201620205826 U CN201620205826 U CN 201620205826U CN 205440524 U CN205440524 U CN 205440524U
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- rocking arm
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Abstract
The utility model discloses a multiaxis all wheel steering device and have device's engineering machine tool contains steering column and a plurality of rocking arm, and the rotation sets up at engineering machine tool chassis downside, and the steering column setting of rocking arm perpendicular to is and the rocking arm upper end is fixed on the steering column, and rocking arm quantity corresponds with engineering machine tool steering spindle quantity, and the rocking arm lower extreme is articulated with pull rod one end, the pull rod other end drives as the output and turns to epaxial wheel steering the steering column along the walking orientation setting of engineering machine tool. The utility model discloses simple structure, in -process atress transmission line overlength has been avoided turning to in easily overall arrangement, and rear steering axle turns to hysteresis.
Description
Technical field
This utility model relates to a kind of transfer and has the engineering machinery of this device, a kind of multiple-shaft whole-wheel transfer and have the engineering machinery of this device.
Background technology
Fig. 1 is the all-wheel steering pattern of a kind of pure leverage of harbour mobilecrane in prior art.It includes at least two steering linkage rocker arm body 1 and turns to locking mechanism 2, and steering linkage rocker arm body 1 is for controlling the wheel steering in the steering spindle of crane.When normally travelling, turn to locking mechanism 2 to close, enable the steering force transmitted by steering cylinder to transmit in all steering linkage rocker arm bodies 1 thus realize turning to of the wheel in all steering spindles.
But, in above-mentioned transfer, steering mechanism is complicated, adds the probability that steering fault occurs, is unfavorable for maintaining；In addition, in steering procedure, stress transfer route is longer, therefore needs in stress transmittance process first overcome steering linkage rocker arm body 1 and turn to the free clearance between locking mechanism 2, thus results in rear steeraxle and turn to delayed.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of multiple-shaft whole-wheel transfer and has the engineering machinery of this device, and its simple in construction, stress transfer line is short out.
For solving above-mentioned technical problem, this utility model be the technical scheme is that
A kind of multiple-shaft whole-wheel transfer, it is characterized in that: comprise turning-bar and some rocking arms, turning-bar arranges along engineering machinery walking direction and rotates and is arranged on the downside of engineering machinery underframe; rocking arm is perpendicular to turning-bar setting and rocking arm upper end is fixed on turning-bar; rocking arm quantity is corresponding with engineering machinery steering spindle quantity; rocking arm lower end is hinged with pull bar one end, and the pull bar other end drives the wheel steering in steering spindle as outfan.
Further, the center of circle of the radius of turn of the wheel in described steering spindle is in the symmetrical center line of steering spindle, and rocking arm length is sequentially reduced backward from front end, engineering machinery walking direction.
Further, the two ends being positioned at engineering machinery walking direction that root steering spindle foremost in described steering spindle are provided with left steering oil cylinder and right turn oil cylinder, left steering oil cylinder and right turn oil cylinder are all connected with turning control cell, and remaining steering spindle two ends is provided with steering cylinder.
Further, described in be positioned at that root steering spindle one end foremost, engineering machinery walking direction and be provided with steering angle of wheel sensor, steering angle of wheel sensor is connected with turning control cell.
A kind of multi-steering pattern multiple-shaft whole-wheel transfer, it is characterised in that: engineering machinery steering spindle is divided into some groups of adjacent steering spindles, and often group steering spindle arranges multiple-shaft whole-wheel transfer.
Further, the two ends being positioned at engineering machinery walking direction that root steering spindle foremost in described some groups of adjacent steering spindle often groups are provided with left steering oil cylinder and right turn oil cylinder, some groups of left steering oil cylinders and right turn oil cylinder are all connected with turning control cell, and remaining steering spindle two ends is provided with steering cylinder.
Further, described in be positioned at that root steering spindle one end foremost with rearmost end, engineering machinery walking direction and be provided with steering angle of wheel sensor, steering angle of wheel sensor is connected with turning control cell.
A kind of engineering machinery, it is characterised in that: it is provided with multiple-shaft whole-wheel transfer.
A kind of engineering machinery, it is characterised in that: it is provided with multi-steering pattern multiple-shaft whole-wheel transfer.
This utility model compared with prior art, has the following advantages and effect: simple in construction, it is easy to layout, it is to avoid in steering procedure, stress transfer route is long, and rear steeraxle turns to hysteresis.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the all-wheel steering pattern of a kind of pure leverage of prior art.
Fig. 2 is the schematic diagram of a kind of embodiment of the present utility model.
Fig. 3 is the top view of a kind of embodiment of the present utility model.
Fig. 4 be another kind of the present utility model be the schematic diagram of strength.
Fig. 5 be another kind of the present utility model be the top view of strength.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are that this utility model is not limited to following example to explanation of the present utility model.
Embodiment 1:
If Fig. 2 is to shown in 3, a kind of multiple-shaft whole-wheel transfer, comprise turning-bar 3 and some Rocker arm 4s, turning-bar 3 arranges along engineering machinery walking direction and rotates and is arranged on the downside of engineering machinery underframe; Rocker arm 4 is perpendicular to turning-bar 3 and arranges and Rocker arm 4 upper end is fixed on turning-bar 3; Rocker arm 4 quantity is corresponding with engineering machinery steering spindle 5 quantity, and Rocker arm 4 lower end is hinged with pull bar 6 one end, and pull bar 6 other end turns to as the wheel 7 in outfan driving steering spindle 5.Pull bar 6 other end is hinged with swing arm 8 one end, and swing arm 8 other end is hinged on steering spindle 5 end, and wheel 7 rotates and is arranged on swing arm 8 other end.
The center of circle of the radius of turn of the wheel 7 in steering spindle 5 is in the symmetrical center line of steering spindle 5; Rocker arm 4 length is sequentially reduced backward from front end, engineering machinery walking direction; the rocking arm length controlling multi-axle steering is geometric correlation with each axle radius of turn; steering spindle radius of turn is the least; the rocking arm length being connected is the shortest; steering spindle is symmetric; and the radius of turn center of circle is on steering spindle line of symmetry; and the rocking arm being welded on turning-bar is corresponding with each steering spindle to be symmetric, and side rocking arm length is successively decreased from outside to inside.The two ends being positioned at engineering machinery walking direction that root steering spindle foremost in steering spindle 5 are provided with left steering oil cylinder 9 and right turn oil cylinder 10, left steering oil cylinder 9 and right turn oil cylinder 10 are all connected with turning control cell 11, and remaining steering spindle two ends is provided with steering cylinder 12.Being positioned at that root steering spindle 5 one end foremost, engineering machinery walking direction and be provided with steering angle of wheel sensor 13, steering angle of wheel sensor 13 is connected with turning control cell 11.The steering cylinder of multiple-shaft whole-wheel transfer works under control of the control unit 11 so that is positioned at engineering machinery walking direction steering spindle 5 foremost and turns to, and remaining each steering spindle adjusts steering moment by turning-bar 3 respectively and turns to realize synchronization.By sensor 13, the angular signal of acquisition is fed back to control unit 11 simultaneously.
A kind of engineering machinery, is provided with multiple-shaft whole-wheel transfer.
Embodiment 2:
As shown in Figure 3,4, a kind of multi-steering pattern multiple-shaft whole-wheel transfer, engineering machinery steering spindle 5 is divided into some groups of adjacent steering spindles, often group steering spindle 5 arranges multiple-shaft whole-wheel transfer.Multiple-shaft whole-wheel transfer, comprise turning-bar 3 and some Rocker arm 4s, turning-bar 3 arranges along engineering machinery walking direction and rotates and is arranged on the downside of engineering machinery underframe; Rocker arm 4 is perpendicular to turning-bar 3 and arranges and Rocker arm 4 upper end is fixed on turning-bar 3; Rocker arm 4 quantity is corresponding with engineering machinery steering spindle 5 quantity; Rocker arm 4 lower end is hinged with pull bar 6 one end, and pull bar 6 other end turns to as the wheel 7 in outfan driving steering spindle 5.Pull bar 6 other end is hinged with swing arm 8 one end, and swing arm 8 other end is hinged on steering spindle 5 end, and wheel 7 rotates and is arranged on swing arm 8 other end.
The center of circle of the radius of turn of the wheel 7 in steering spindle 5 is in the symmetrical center line of steering spindle 5; Rocker arm 4 length is sequentially reduced backward from front end, engineering machinery walking direction; the rocking arm length controlling multi-axle steering is geometric correlation with each axle radius of turn; steering spindle radius of turn is the least; the rocking arm length being connected is the shortest; steering spindle is symmetric; and the radius of turn center of circle is on steering spindle line of symmetry; and the rocking arm being welded on turning-bar is corresponding with each steering spindle to be symmetric, and side rocking arm length is successively decreased from outside to inside.
The two ends being positioned at engineering machinery walking direction that root steering spindle foremost in some groups of adjacent steering spindle 5 often groups are provided with left steering oil cylinder 9 and right turn oil cylinder 10, some groups of left steering oil cylinders 9 and right turn oil cylinder equal 10 are connected with turning control cell 11, and remaining steering spindle 5 two ends is provided with steering cylinder 12.Being positioned at that root steering spindle 5 one end foremost with rearmost end, engineering machinery walking direction and be provided with steering angle of wheel sensor 13, steering angle of wheel sensor 13 is connected with turning control cell 11.
Get on the bus center of gravity to realize more multi-steering pattern and adaptation, compare embodiment 1 and increase a turning-bar, first turning-bar controls first group of steering spindle, second turning-bar controls second group of steering spindle, in a normal traveling mode, turn signal is transferred to steering cylinder by control unit 11, then the wheel steering in steering spindle is made by turning-bar 3, now, steering angle of wheel sensor 13 foremost obtains the wheel steering angle signal in steering spindle and sends this angular signal to steering controller 11, the steering cylinder that steering controller 11 controls in another group steering spindle according to above-mentioned angular signal makes wheel steering, until the angular signal that the angular signal of steering angle of wheel sensor 13 acquisition of rearmost end and steering angle of wheel sensor 13 foremost obtain matches.
A kind of engineering machinery, is provided with multi-steering pattern multiple-shaft whole-wheel transfer.
Above content described in this specification is only to this utility model example explanation.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field; without departing from the content of this utility model description or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (9)
1. a multiple-shaft whole-wheel transfer, it is characterized in that: comprise turning-bar and some rocking arms, turning-bar arranges along engineering machinery walking direction and rotates and is arranged on the downside of engineering machinery underframe; rocking arm is perpendicular to turning-bar setting and rocking arm upper end is fixed on turning-bar; rocking arm quantity is corresponding with engineering machinery steering spindle quantity; rocking arm lower end is hinged with pull bar one end, and the pull bar other end drives the wheel steering in steering spindle as outfan.
2. according to the multiple-shaft whole-wheel transfer described in claim 1, it is characterised in that: the center of circle of the radius of turn of the wheel in described steering spindle is in the symmetrical center line of steering spindle, and rocking arm length is sequentially reduced backward from front end, engineering machinery walking direction.
3. according to the multiple-shaft whole-wheel transfer described in claim 1, it is characterized in that: the two ends being positioned at engineering machinery walking direction that root steering spindle foremost in described steering spindle are provided with left steering oil cylinder and right turn oil cylinder, left steering oil cylinder and right turn oil cylinder are all connected with turning control cell, and remaining steering spindle two ends is provided with steering cylinder.
4. according to the multiple-shaft whole-wheel transfer described in claim 3, it is characterised in that being positioned at that root steering spindle one end foremost, engineering machinery walking direction described in: and be provided with steering angle of wheel sensor, steering angle of wheel sensor is connected with turning control cell.
5. a multi-steering pattern multiple-shaft whole-wheel transfer, it is characterised in that: engineering machinery steering spindle is divided into some groups of adjacent steering spindles, and often group steering spindle arranges the multiple-shaft whole-wheel transfer described in claim 1,2.
6. according to the multi-steering pattern multiple-shaft whole-wheel transfer described in claim 5, it is characterized in that: the two ends being positioned at engineering machinery walking direction that root steering spindle foremost in described some groups of adjacent steering spindle often groups are provided with left steering oil cylinder and right turn oil cylinder, some groups of left steering oil cylinders and right turn oil cylinder are all connected with turning control cell, and remaining steering spindle two ends is provided with steering cylinder.
7. according to the multi-steering pattern multiple-shaft whole-wheel transfer described in claim 6, it is characterized in that: described in be positioned at that root steering spindle one end foremost with rearmost end, engineering machinery walking direction and be provided with steering angle of wheel sensor, steering angle of wheel sensor is connected with turning control cell.
8. an engineering machinery, it is characterised in that: it is provided with the multiple-shaft whole-wheel transfer described in any one of Claims 1-4.
9. an engineering machinery, it is characterised in that: it is provided with the multi-steering pattern multiple-shaft whole-wheel transfer described in any one of claim 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205826.6U CN205440524U (en) | 2016-03-17 | 2016-03-17 | Multiaxis all wheel steering device and have device's engineering machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205826.6U CN205440524U (en) | 2016-03-17 | 2016-03-17 | Multiaxis all wheel steering device and have device's engineering machine tool |
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| CN205440524U true CN205440524U (en) | 2016-08-10 |
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| CN201620205826.6U Active CN205440524U (en) | 2016-03-17 | 2016-03-17 | Multiaxis all wheel steering device and have device's engineering machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667588A (en) * | 2016-03-17 | 2016-06-15 | 南通润邦重机有限公司 | Multi-shaft full-wheel steering device and engineering machine with multi-shaft full-wheel steering device |
-
2016
- 2016-03-17 CN CN201620205826.6U patent/CN205440524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667588A (en) * | 2016-03-17 | 2016-06-15 | 南通润邦重机有限公司 | Multi-shaft full-wheel steering device and engineering machine with multi-shaft full-wheel steering device |
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| GR01 | Patent grant |