CN201472464U - Multishaft steering device of special transport frame vehicle - Google Patents
Multishaft steering device of special transport frame vehicle Download PDFInfo
- Publication number
- CN201472464U CN201472464U CN2009202080236U CN200920208023U CN201472464U CN 201472464 U CN201472464 U CN 201472464U CN 2009202080236 U CN2009202080236 U CN 2009202080236U CN 200920208023 U CN200920208023 U CN 200920208023U CN 201472464 U CN201472464 U CN 201472464U
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- steering
- turns
- main shaft
- butterfly plate
- steering device
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Abstract
The utility model relates to a multishaft steering device of a special transport frame vehicle, comprising a plurality of steering coupling seats, a plurality of coupled connecting rods, at least one steering main shaft frame and at least two oil cylinders, wherein the steering coupling seats are arranged in two rows along the length direction of the vehicle body; all the steering coupling seats are respectively pivoted at the bottom part of the frame vehicle and are fixedly connected with a vehicle-bridge; the outer sides of the steering coupling seats are respectively provided with a coupled butterfly plate, wherein the inner sides of the at least one pair of transverse steering coupling seats are respectively provided with a steering butterfly plate; the coupled connecting rods are respectively connected with the adjacent coupled buttery plates on the steering coupling seats by single side; the steering main shaft frame is respectively pivoted at the bottom part of a frame vehicle by a steering main shaft, and all the steering main shaft frames are connected to the steering butterfly plates of the at least one group of steering coupling seats by a plurality of steering connecting rods; and the at least two oil cylinders are respectively connected with the two ends of all the steering main shaft frames. The multishaft steering device realizes simultaneous steering at the front part and the rear part, and simultaneously adds an automatic track adjusting system and an emergency steering system under failure state in parallel for improving the operating efficiency of equipment, thus greatly improving the reliability and emergency handling capability of the equipment.
Description
Technical field
The utility model relates to a kind of multi-axle steering device, particularly relates to a kind of two way multi-axle steering device in the extraordinary transportation of steel mill, shipyard and large-sized object 75T-200T vehicle.
Background technology
To large-scale, heavy special purpose vehicle, the operation of steering swivel system and working condition requirement are very strict.The construction machinery and equipment steering swivel system adopts the hydraulic booster mode in the world, mainly turns to based on single shaft, and twin shaft turned to before engineering automobiles adopted at present, improved and realized tight turn radius.According to retrieval, present domestic large special transport vehicle is being used multi-axle steering (n＞4) system and is being increased every axis tyre revolution angle measuring device simultaneously, by computing machine, motor and mechanical drive control, realize different turn radiuss, thisly have steering angle monitored control system, computer acquisition and arithmetic system and steering swivel system actuating unit Comprehensive Control may be implemented in a variety of ways, can adopt motor-driven, also can adopt fluid motor-driven, also can adopt hydraulic ram to the independent control that each axis carries out, finally realize multimodal servo-steering; The part construction machinery and equipment is also used newer electromagnetic steering control system in the world simultaneously, controls steering angle by coder, controls by the electromagnetic induction of turning velocity and turns to feel, controls each axle steer by motor and HM Hydraulic Motor.These forward methods can be realized the multiple pattern that turns to.But there is following defective:
1. wheel steering system requires transient state to turn to, and promptly all wheel is rotated according to instantaneous center of turn, and wheel can not have sideslip and time-delay.But the axis of present domestic employing turns to independent control, this mode can not guarantee under the speed condition with higher vehicle ' (＞20km/h) in normal transient state turn to, postponing appears in multiple axes system, cause vehicle S walking and survey sliding, especially in the rainy day, major cause is that wheel steering system is not a rigidity.
2. adopt independent control to turn to pattern complicated, because axis is more, the oil cylinder internal leakage appears in vehicle long-term use meeting, faults such as computing machine and rotary corner controller system, in case some going wrong influences whole steering swivel system function and precision, reduced the safety and the service life of vehicle; Simultaneously can't implement online adjustment and recovery, reduce vehicle operation efficient.
3. electric-control system that independent control turns to and hydraulic efficiency pressure system can't satisfy the vehicle transient state and turn in control and execution, these require direction adjustment and the signal feedback of total system according to the situation adaptation high frequency of spectrum of road surface roughness, the service life and the requirement of control accuracy out of reach rigidity of components and parts at present.
4. the power system fault appears in vehicle, engine breakdown for example, and car load weight is big during loss of power, can't implement to draw timely maintenance, lacks online recovery means.
For solving transient state stationary problem, minimizing automatically controlled failure frequency and the HYDRAULIC CONTROL SYSTEM precision problem of present multi-axle steering at vehicular field, be necessary to adopt many connecting rods of leverage model analysis design-calculated rigidity steering swivel system to become a kind of actv. multi-shaft steering vehicle master mode, thoroughly solve transient state synchronously, the problem of four-wheel steering and control accuracy, improve the application and the reliability of equipment.
The utility model content
The purpose of this utility model provides a kind of extraordinary transportation frame car multi-axle steering device, that uses on these multi axle car meets the full connecting rod steering hardware that car speed requires, can after the oil cylinder power-assisted, implement full wheel interlock, guarantee that full car transient state turning center is stable by the rigidity leverage; At the long characteristics of vehicle, the mechanical interference that adopts long transmission leverage to occur easily is by using some groups steering hardware and can realizing interlock by different hydraulic rams simultaneously.
Technical conceive of the present utility model: contriver's imagination satisfies power, the rate request of 75T-200T Vehicular turn by design bidirectional driving steering hydraulic loop and hydraulic circuit magnification ratio, realizes the portability of operation; And design multiaxis leverage, realize the rigidity multi-axle steering, satisfy 3m overall width, transient state synchronously and the Turning radius requirement; The compensation and the Adjustment System of the internal leakage of design hydraulic ram satisfy the vehicle long term reliability; The emergent steering swivel system of design improves the device context fault and disposes and capability of reaction.
In order to achieve the above object, a kind of extraordinary transportation frame car multi-axle steering device of the present utility model, comprise: some connection seats that turn to, being two rows along the bodywork length direction arranges, respectively turning to connection seat to be hubbed at respectively bottom the chassis and with axle attachment is connected, the described outside of connection seat that turns to respectively is provided with an interlock butterfly plate, and the inboard that turns to connection seat that wherein at least one pair of is horizontal is provided with one respectively and turns to the butterfly plate; Some interlock connecting rods, the described interlock butterfly plate that turns on the connection seat that one-sided respectively connection is adjacent; At least one main shaft frame that turns to turns to main bearing to be hubbed at chassis bottom by one respectively, described respectively turn to the main shaft frame by some Linkage steerings connect at least one group turn to connection seat turn to the butterfly plate; At least two oil cylinders, connection respectively turns to main shaft frame two ends respectively.
Preferably, the described connection seat that turns to comprises:
One turns to steel bushing, is hubbed at the chassis bottom;
One bogie truck, fixing respectively with described steel bushing and the vehicle bridge of turning to, described interlock butterfly plate with turn to the butterfly plate to be arranged on the both sides of described bogie truck;
Some oscillating bearings are separately positioned on described interlock butterfly plate and turn on the butterfly plate.
Preferably, described interlock connecting rod or Linkage steering comprise:
One con-rod only;
Two pitman shaft carrier rings are separately positioned on the end of described con-rod only, articulate with oscillating bearing.
Preferably, described interlock connecting rod or Linkage steering also comprise:
Two lever regulated covers are separately positioned between described con-rod only and the described pitman shaft carrier ring.
Preferably, the described main shaft frame that turns to comprises:
One turns to steel bushing, is articulated in the chassis bottom, and the described steel bushing that turns to matches with turning to main bearing;
Deflecting plate on one is fixed with the described steel bushing that turns to;
Two oscillating bearings are separately positioned on the described deflecting plate two ends of going up;
Deflecting plate once turns to steel bushing to fix and is positioned at the deflecting plate below with described.
Preferably, described both sides of going up deflecting plate and following deflecting plate are provided with two knock holees respectively, and an end and the knock hole of described oil cylinder are fixed.
The utility model makes it compared with prior art owing to adopted above technical scheme, has the following advantages and good effect:
The utility model has realized that the full connecting rod that satisfies the car speed requirement on multi axle car turns to, and has guaranteed the rigidity of wheel steering system, has improved vehicle operation efficient and emergency treatment ability, has strengthened the application and the reliability that use the chassis of native system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.
In the accompanying drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that oil cylinder interlock and the turning track of turning to of the present utility model adjusted arrangement plan.
Fig. 3 is the structural representation A that turns to connection seat of the present utility model.
Fig. 4 is the structural representation B that turns to connection seat of the present utility model.
Fig. 5 is the structural representation C that turns to connection seat of the present utility model.
Fig. 6 is the structural representation of connecting rod of the present utility model.
Fig. 7 is the structural representation that turns to the main shaft frame of the present utility model.
Drawing reference numeral:
[1] turns to main shaft frame [16] pitman shaft carrier ring
[2] turn to main bearing [17] to turn to steel bushing
[3] turn to butterfly plate [18] to go up deflecting plate
[4] deflecting plate under the interlock butterfly plate [19]
[5] interlock butterfly plate [20] knock hole
[6] interlock butterfly plate [21] hydraulic efficiency pressure system
[7] the emergent steering hardware of interlock connecting rod [22]
[8] Linkage steering [23] interlock hydraulic pressure shutoff valve
[9] interlock connecting rod [24] damping check valve
[10] oil cylinder [25] guide's damping check valve
[11] turn to steel bushing [26] shuttle valve
[12] bogie truck [27] safety overflow valve
[13] automatically controlled 3/4 hydraulic valve of oscillating bearing [28]
[14] con-rod only [29] track is adjusted the valve group
[15] lever regulated cover
The specific embodiment
Specifically introduce a kind of preferred embodiment of the present utility model below in conjunction with accompanying drawing 1-7.
As shown in Figure 1, be symmetrical arranged two places multi-axle steering device of the present utility model in front and back respectively in table frame car bottom.
Everywhere multi-axle steering device comprises that 6 turn to connection seat, being 2 * 3 matrixes arranges, be hubbed at respectively chassis bottom and and axle attachment, each turns to the arranged outside interlock butterfly plate 4,5,6 of connection seat, and the inboard that turns to connection seat on forefront or the aftermost same axis is provided with respectively and turns to butterfly plate 3.4 adjacent described interlock butterfly plates 4,5,6 that turn on the connection seat of interlock connecting rod 7,9 one-sided respectively connections.Turn to main shaft frame 1 to be hubbed at the chassis bottom by turning to main bearing 2.Described turn to main shaft frame 1 by 2 Linkage steerings 8 connect forefronts or aftermost turn to connection seat turn to butterfly plate 3; Two oil cylinders 10, connection turns to main shaft frame 1 both sides respectively.By the stretching and the contraction of oil cylinder 10, drive and to turn to turning to of main shaft frame 1, link by pull bar then that each turns to connection seat, control turning to of each vehicle bridge and wheel.
Shown in Fig. 3,4,5, turn to connection seat to comprise: to be hubbed at and to turn to steel bushing 11 on the symmetrical center line of chassis bottom, one with the described fixing bogie truck 12 of steel bushing 11 that turns to, described interlock butterfly plate 4,5,6 and turn to butterfly plate 3 to be separately positioned on the both sides of described bogie truck 12; Some oscillating bearings 13 are separately positioned on described interlock butterfly plate 4,5,6 or turn on the butterfly plate 3.
As shown in Figure 6, interlock connecting rod 7,9 or Linkage steering 8 comprise: con-rod only 14, two lever regulated covers 15 are socketed in the two ends of described con-rod only 14 respectively; Two pitman shaft carrier rings 16 are separately positioned on the end of described lever regulated cover 15.Described pitman shaft carrier ring 16 and oscillating bearing 13 sockets.
As shown in Figure 7, turn to main shaft frame 1 to comprise: to turn to steel bushing 17 to be articulated in bottom the chassis and and match with turning to main bearing 2; Last deflecting plate 18 is fixed with the described steel bushing that turns to; Two oscillating bearings 13 are separately positioned on the described deflecting plate two ends of going up; Following deflecting plate 19 is fixed and is positioned at below the deflecting plate with the described steel bushing that turns to.Described both sides of going up deflecting plate and following deflecting plate are provided with two knock holees 20 respectively, and an end of described oil cylinder 10 and knock hole 20 are fixing.
As shown in Figure 2, in actual use, the utility model can also be realized optimizing and drive control in conjunction with relevant control system and hydraulic efficiency pressure system.Whole steering hardware and control flow are arranged under the vehicle frame, before and after operator's compartment installation direction machine and turn to distributing valve, form interlocking by shuttle valve, turn to distributing valve and flow amplifier to select the DANFOSS product for use, two groups turn to oil cylinder to arrange the employing symmetric arrangement, and bearing is installed on the pin-and-hole of vehicle frame bracket, hydraulic efficiency pressure system 21 gets involved the oil cylinder group, implement the normal direction of rotation function, the inner turnover of two group oil cylinders oil pocket carries out interconnected, forms synchronously.The multiaxis leverage adopts the pull bar of sizing, and drawhead is installed in respectively on the bearing of main shaft frame and butterfly plate, different butterfly plates, adopts oscillating bearing to horizontally rotate.Rotary angle transmitter adopts common rotating potentiometer to be installed in and turns in the main shaft frame, the detection angular signal also shows in operator's compartment, simultaneously turning to the freeze limit signal of hard-over of main shaft frame, employing is carried out the switching value transmission near switch, and centering mark welded and installed is on the maximum bogie truck in front and back.
In the vehicle bottom turning track setting device is installed, is promptly incorporated into a cover track adjustment valve group 29 in the loop main turning to.Track is adjusted valve group 29 and is comprised interlock hydraulic pressure shutoff valve 23, automatically controlled 3/4 hydraulic valve 28, damping check valve 24, guide's damping check valve 25, shuttle valve 26, safety overflow valve 27, the device of other participation turn to alignment device and limiting steering device, and package unit carries out the automatic orbit correction when detecting the turning track sideslip.
Hydraulic emergency steering hardware 22 is installed in the vehicle frame bottom, form by motor, Hydraulic Pump, control cock and operation instrument, when car load engine system and driving unit fault can't start, turn to control at operator's compartment by handling device, be implemented in and turn to function when vehicle towed, vehicle can be matched independently emergent steering swivel system simultaneously.
Turning track adjustment unit and emergency unit adopt the mode in parallel with main steering swivel system to implement.The track adjustment unit adopts automatically controlled hydraulic valve bank to get involved the in-to-in UNICOM mouth of two group oil cylinders, input pressure source Hydraulic Pump, the flow inlet adopts 1.0 flow regulating valve to control, the valve group adopts automatically controlled 3/4 hydraulic valve 28, inlet, for guaranteeing the reliable and safety of oil cylinder position adjustment, 2 guide's damping individual event valves and by pass valve, loop self-feed back and self adaptation are set in the loop.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (6)
1. extraordinary transportation frame car multi-axle steering device is characterized in that comprising:
Some connection seats that turn to, being two rows along the bodywork length direction arranges, respectively turning to connection seat to be hubbed at respectively bottom the chassis and with axle attachment is connected, the described outside of connection seat that turns to respectively is provided with an interlock butterfly plate (4,5,6), and the inboard that turns to connection seat that wherein at least one pair of is horizontal is provided with one respectively and turns to butterfly plate (3);
Some interlock connecting rods (7,9), the described interlock butterfly plate (4,5,6) that turns on the connection seat that one-sided respectively connection is adjacent;
At least one main shaft frame (1) that turns to turns to main bearing (2) to be hubbed at chassis bottom by one respectively, and the described main shaft frame (1) that respectively turns to turns to butterfly plate (3) by what at least one group of some Linkage steerings (8) connection turned to connection seat;
At least two oil cylinders (10), connection respectively turns to main shaft frame (1) two ends respectively.
2. extraordinary transportation frame car multi-axle steering device as claimed in claim 1, it is characterized in that: the described connection seat that turns to comprises:
One turns to steel bushing (11), is hubbed at the chassis bottom;
One bogie truck (12), fixing respectively with described steel bushing (11) and the vehicle bridge of turning to, described interlock butterfly plate (4,5,6) and turn to butterfly plate (3) to be arranged on the both sides of described bogie truck (12);
Some oscillating bearings (13) are separately positioned on described interlock butterfly plate (4,5,6) and turn on the butterfly plate (3).
3. extraordinary transportation frame car multi-axle steering device as claimed in claim 1 or 2, it is characterized in that: described interlock connecting rod (7,9) or Linkage steering (8) comprising:
One con-rod only (14);
Two pitman shaft carrier rings (16) are separately positioned on the end of described con-rod only (14), articulate with oscillating bearing (13).
4. extraordinary transportation frame car multi-axle steering device as claimed in claim 1, it is characterized in that: described interlock connecting rod (7,9) or Linkage steering (8) also comprise:
Two lever regulated covers (15) are separately positioned between described con-rod only (14) and the described pitman shaft carrier ring (16).
5. as any described extraordinary transportation frame car multi-axle steering device in the claim 1,2,4,
It is characterized in that: the described main shaft frame (1) that turns to comprising:
One turns to steel bushing (17), is articulated in the chassis bottom, and the described steel bushing (17) that turns to matches with turning to main bearing (2);
Deflecting plate on one (18), fixing with the described steel bushing (17) that turns to;
Two oscillating bearings (13) are separately positioned on described deflecting plate (18) two ends of going up;
Deflecting plate (19) once, fixing and be positioned at below the deflecting plate (18) with the described steel bushing (17) that turns to.
6. the extraordinary transportation frame car multi-axle steering device described in claim 5 is characterized in that: described both sides of going up deflecting plate (18) and following deflecting plate (19) are provided with two knock holees (20) respectively, and an end of described oil cylinder (10) and knock hole (20) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202080236U CN201472464U (en) | 2009-08-18 | 2009-08-18 | Multishaft steering device of special transport frame vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202080236U CN201472464U (en) | 2009-08-18 | 2009-08-18 | Multishaft steering device of special transport frame vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472464U true CN201472464U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202080236U Expired - Lifetime CN201472464U (en) | 2009-08-18 | 2009-08-18 | Multishaft steering device of special transport frame vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472464U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336218A (en) * | 2011-07-01 | 2012-02-01 | 武汉理工大学 | Segmental type sun gear steering plate of multi-axis hydraulic module combination trailer |
| CN103144524A (en) * | 2013-03-05 | 2013-06-12 | 苏州大方特种车股份有限公司 | Rear transmission mechanism of engine of frame vehicle |
| CN105059387A (en) * | 2015-07-28 | 2015-11-18 | 扬州市伏尔坎机械制造有限公司 | Semi-trailer with accurate steering function |
| CN108909467A (en) * | 2018-08-30 | 2018-11-30 | 燕山大学 | A kind of self-navigation chassis of electrohydraulic mixed power |
-
2009
- 2009-08-18 CN CN2009202080236U patent/CN201472464U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336218A (en) * | 2011-07-01 | 2012-02-01 | 武汉理工大学 | Segmental type sun gear steering plate of multi-axis hydraulic module combination trailer |
| CN103144524A (en) * | 2013-03-05 | 2013-06-12 | 苏州大方特种车股份有限公司 | Rear transmission mechanism of engine of frame vehicle |
| CN105059387A (en) * | 2015-07-28 | 2015-11-18 | 扬州市伏尔坎机械制造有限公司 | Semi-trailer with accurate steering function |
| CN108909467A (en) * | 2018-08-30 | 2018-11-30 | 燕山大学 | A kind of self-navigation chassis of electrohydraulic mixed power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |