CN103043099A - Bidirectional four-axis type steering platform trailer - Google Patents
Bidirectional four-axis type steering platform trailer Download PDFInfo
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- CN103043099A CN103043099A CN2013100336037A CN201310033603A CN103043099A CN 103043099 A CN103043099 A CN 103043099A CN 2013100336037 A CN2013100336037 A CN 2013100336037A CN 201310033603 A CN201310033603 A CN 201310033603A CN 103043099 A CN103043099 A CN 103043099A
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Abstract
The invention relates to a bidirectional four-axis type steering platform trailer comprising a car frame, a linkage system and four pairs of wheel mechanisms, wherein the linkage system comprises two drag handle racks, two pull rods, four connecting rods and four sets of rotary bearing mechanisms; one ends of the two pull rods are respectively connected with two pull rod shafts on two short transverse boards on one drag handle rack; the middle parts of the two pull rods are crossed; and the other ends of the two pull rods are respectively connected with two pull rod shafts on two short transverse boards on the other drag handle rack. According to the bidirectional four-axis type steering platform trailer provided by the invention, the radius of a turning circle is greatly reduced; and compared with a single-direction single-axis type steering platform trailer, the radius of the turning circuit is reduced by about 25-30%; with the adoption of the bidirectional four-axis type steering platform trailer provided by the invention, a differential value between an actual wheel corner of a vehicle in a turning process and a theoretical corner for satisfying all the wheels to realize pure rolling is within 3%, so that lateral sliding of the wheels when the vehicle is in the turning process can be avoided, steering resistance is reduced, and the service life of tires can be prolonged. Numerical values of the corners of the front and the back drag handle racks in the turning process are approximately same; and a maximum differential value in the entire turning process is 0.3 degrees.
Description
Technical field
The invention belongs to the flat-bed trailer technical field, be specifically related to two-way four axistyle formula and turn to flat-bed trailer.
Background technology
Use more and more extensivelyr along with flat-bed trailer, the client requires more and more higher to the rate of wear of the turn radius of flat-bed trailer, bend crossing ability, cornering resistance, tire etc., and present domestic flat-bed trailer mostly turns to flat-bed trailer for unidirectional mono-axial formula.Unidirectional mono-axial formula revolution flat-bed trailer has that turn radius is large, bend is heavier by poor performance, cornering resistance large (the wheel Somatic Embryogenesis breaks away in the turning process), wear on tyres speed weight fast and inhomogeneous, car load, the high in cost of production shortcoming.
Summary of the invention
Turn in order to solve unidirectional mono-axial formula that the flat-bed trailer turn radius is large, in the steering procedure wheel Somatic Embryogenesis break away, the poor technical barrier of bend crossing ability, the invention provides a kind of two-way four axistyle formula and turn to flat-bed trailer.
Two-way four axistyle formula turns to flat-bed trailer to comprise vehicle frame 11, linked system and four pairs of wheel mechanisms.The linked system turnkey is drawn together two and is dragged handle frame, pull bar, connecting rod and quadruplet Slewing Support Mechanism, drags the handle frame to comprise bracket and hanging handle, and hanging handle is connecting an end of bracket; The every pair of wheel mechanism comprises that two wheels 5 and 10, two wheels 5 of a wheel shaft are located at respectively the two ends of a wheel shaft 10; Described pull bar is two pull bars 12; Connecting rod is four connecting rods 3; Slewing Support Mechanism comprises and turns to sleeve pipe 9, the first connecting panel 13; Two are dragged the corresponding end of handle frame to be respectively equipped with bindiny mechanism, described bindiny mechanism comprises the hyphen plate 21 that long connecting panel 20 is parallel with two, one end of long connecting panel 20 is connecting the other end of described bracket, the other end of long connecting panel 20 is provided with the second upright adapter shaft 4, parallel sleeve is located at the top of the second adapter shaft 4 about the middle part of two blocks of parallel hyphen plates 21, and two blocks of hyphen plates 21 are perpendicular to long connecting panel 20; Be respectively equipped with pull rod shaft 15 between the two ends of two blocks of hyphen plates, one end of two pull bars 12 is connecting respectively two pull rod shaft 15 of dragging on the handle frame on two blocks of hyphen plates, two pull bar 12 middle parts intersect, and the other end of two pull bars 12 is connecting respectively another and dragging on the handle frame two pull rod shaft 15 on two blocks of hyphen plates; Be rotationally connected respectively an end of two connecting rods 3 on the bracket of long connecting panel 20 belows, the other end of every connecting rod 3 is being rotationally connected an end of the first connecting panel 13, and the other end of the first connecting panel 13 is connecting the upright sleeve pipe 9 that turns to; Turn to the top of sleeve pipe 9 connecting baseplate 7, the lower end offers the wheel axial trough, and wheel shaft 10 middle parts of every pair of wheel mechanism are positioned at the wheel axial trough, and wheel shaft 10 is connecting by the 4th adapter shaft 8 and turns to sleeve pipe 9.
Described long connecting panel 20 is horizontal channel-section steel.
Described the first connecting panel 13 is the L-type plate, and the protrusion position of bending part is provided with the reinforcement riser towards the end face of pull bar 12, the first connecting panels 13.
The present invention compares with prior art products has advantages of following aspect:
1. turn radius obtains very large reduction, turns to the flat-bed trailer turn radius to reduce about 25-30% with respect to unidirectional mono-axial formula.Such as Fig. 6, Fig. 7, unidirectional mono-axial formula turns to flat-bed trailer to only have front-wheel to turn in the turning process, turning center (intersection points of all wheel axiss) from vehicle frame away from, therefore turn radius is very large, and bidirectional double-shaft line formula turns to flat-bed trailer all wheels in the turning process all to turn to (linked steering), turning center from vehicle frame close to, turn radius is less;
2. by optimizing so that all wheels can both be done approximate pure rolling, optimal design of the present invention, so that vehicle in the turning process actual wheel corner with satisfy all wheels and do the theoretical corner difference of pure rolling in 3%, avoided vehicle wheel in the turning process to break away, reduce cornering resistance, improved the service life of tire;
3. drag the numerical value of handle frame corner basic identical before and after in the turning process, maximum difference is 0.3 ° in the whole turning process;
4. the followability of car load and bend pass through better performances;
5. wheel 5 parts are embedded in vehicle frame 11 inside, have reduced the height of car load;
6. save the reversing bridge on the present flat-bed trailer, reduce complete vehicle weight, reduce cost;
Linkage connector all make adjustable, the maintenance and adjusting function good.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the linked system structural representation.
Fig. 3 is for dragging handle frame mechanism schematic diagram.
Fig. 4 is the Slewing Support Mechanism schematic diagram that turns to sleeve pipe and the first connecting panel to form.
Fig. 5 is for turning to sleeve pipe unit construction schematic diagram.
Fig. 6 is bidirectional double-shaft line revolution flat-bed trailer turn radius simulated diagram.
Fig. 7 is two-way four axistyle revolution flat-bed trailer turn radius simulated diagram.
Fig. 8 is the fundamental diagram of linked system.
Sequence number among the upper figure: drag handle frame 1, the first adapter shaft 2, connecting rod 3, the second adapter shaft 4, wheel 5, the 3rd adapter shaft 6, baseplate 7, the 4th adapter shaft 8, turn to sleeve pipe 9, wheel shaft 10, vehicle frame 11, pull bar 12, the first connecting panel 13, axis of revolution 14, pull rod shaft 15, connecting lug 16, thrust washer 17, upper steel-backed bearing 18, lower steel-backed bearing 19, long connecting panel 20, hyphen plate 21, the 4th connecting panel 22, the 6th adapter shaft 23.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment the present invention is done to describe further.
Referring to Fig. 1 and Fig. 2, two-way four axistyle formula turns to flat-bed trailer to comprise vehicle frame 11, linked system and four pairs of wheel mechanisms, and described linked system comprises that two are dragged handle frame, two pull bars 12, four connecting rods 3 and quadruplet Slewing Support Mechanism; Slewing Support Mechanism comprises and turns to sleeve pipe 9, the first connecting panel 13.Drag the handle frame to comprise bracket and hanging handle, hanging handle is connecting an end of bracket; The every pair of wheel mechanism comprises that two wheels 5 and 10, two wheels 5 of a wheel shaft are located at respectively the two ends of a wheel shaft 10.Two are dragged the corresponding end of handle frame to be respectively equipped with bindiny mechanism, bindiny mechanism comprises the hyphen plate 21 that long connecting panel 20 is parallel with two, long connecting panel 20 is horizontal channel-section steel, the one end is connecting the other end of described bracket, the other end of long connecting panel 20 is provided with the second upright adapter shaft 4, parallel sleeve is located at the top of the second adapter shaft 4 about the middle part of two blocks of parallel hyphen plates 21, and two blocks of hyphen plates 21 are perpendicular to long connecting panel 20; Be respectively equipped with pull rod shaft 15 between the two ends of two blocks of hyphen plates, one end of two pull bars 12 is connecting respectively two pull rod shaft 15 of dragging on the handle frame on two blocks of hyphen plates, two pull bar 12 middle parts intersect, and the other end of two pull bars 12 is connecting respectively another and dragging on the handle frame two pull rod shaft 15 on two blocks of hyphen plates; Be rotationally connected respectively an end of two connecting rods 3 on the bracket of long connecting panel 20 belows, the other end of every connecting rod 3 is being rotationally connected an end of the first connecting panel 13, the first connecting panel 13 is the L-type plate, and the protrusion position of bending part is provided with the reinforcement riser towards the end face of pull bar 12, the first connecting panels 13.The other end of the first connecting panel 13 is connecting the upright sleeve pipe 9 that turns to; Turn to the top of sleeve pipe 9 connecting baseplate 7, the lower end offers the wheel axial trough, and wheel shaft 10 middle parts of every pair of wheel mechanism are positioned at the wheel axial trough, and wheel shaft 10 is connecting by the 4th adapter shaft 8 and turns to sleeve pipe 9.
Movement relation of the present invention is seen Fig. 1, Fig. 2, when the left side drag handle frame 1 around vehicle frame 11 clickwise the time, drive the whole handle mechanism that drags and carry out clickwise around the second adapter shaft 4; Drive by two connecting rods 3 and to turn to sleeve pipe 9 wraparound rotating shafts 14 to carry out cw to turn to, and then the two pairs of wheel mechanisms (comprising two wheels and a wheel shaft) on the left of driving by the 4th adapter shaft 8 carry out cw and turn to; Simultaneously by pull bar 12 drive right sides drag handle mechanism to carry out conter clockwise to turn to, two pairs of wheel mechanisms that in like manner drive the right side carry out conter clockwise and turn to.
Tie system and push and pull system lengthwise dimension adopt can regulate form, and pull bar and linkage connector adopt the oscillating bearing form, has finely overcome the manufacturing errors that brings in the production process, also is convenient to maintenance simultaneously.
By Fig. 1, Fig. 2 as seen, two-way four axistyle formula turns to that four pairs of wheel mechanisms turn to simultaneously in the flat-bed trailer turning process.By matlab software linked system is optimized design simultaneously, so that vehicle all wheels in the turning process are done approximate pure rolling (result after the optimization: actual wheel corner with satisfy all wheels and do the theoretical corner difference of pure rolling in 3%), avoided that wheel breaks away in the turning process, reduced cornering resistance.
Such as Fig. 5, Slewing Support Mechanism adopts surface bearing and steel-backed bearing array configuration, has improved axially and the radially load-carrying capacity of rotary system, has greatly improved the strength and stability in the swing type mechanism operational process.
Turn to the flat-bed trailer turn radius to obtain very large reduction such as the two-way four axistyle formula of Fig. 6, Fig. 7, turn to the flat-bed trailer turn radius to hang down about 25-30% with respect to unidirectional mono-axial formula.Unidirectional mono-axial formula turns to flat-bed trailer to only have front-wheel to turn in the turning process, turning center (intersection points of all wheel axiss) from vehicle frame away from, therefore turn radius is very large, and bidirectional double-shaft line formula turns to flat-bed trailer all wheels in the turning process all to turn to (linked steering), turning center from vehicle frame close to, turn radius is less;
Fig. 8 is seen in the signal of the principle of work of two pull bars 12, be 0 by can be calculated this mechanism freedom, namely all rod members is regarded as rigidity, and this mechanism can't move.If this mechanism can be moved, just must be two pull bars as being under the condition of " flexibility " bar whole mechanism to be optimized, so that the length variations amount of " flexibility " pull bar is very little, (optimum results: the length variations amount of " flexibility " pull bar is 0.25 ‰ by matlab software this mechanism to be carried out structure optimization, the gap foot of each parts junction overcomes the variation of pull bar length) can flexible motion so that this mechanism is actual.
Claims (3)
1. two-way four axistyle formula turns to flat-bed trailer, comprise vehicle frame (11), linked system and four pairs of wheel mechanisms, described linked system comprises that two are dragged handle frame, pull bar, connecting rod and quadruplet Slewing Support Mechanism, drags the handle frame to comprise bracket and hanging handle, and hanging handle is connecting an end of bracket; Every pair of wheel mechanism comprises two wheels (5) and a wheel shaft (10), and two wheels (5) are located at respectively the two ends of a wheel shaft (10); It is characterized in that: described pull bar is two pull bars (12); Connecting rod is four connecting rods (3); Slewing Support Mechanism comprises and turns to sleeve pipe (9), the first connecting panel (13); Two are dragged the corresponding end of handle frame to be respectively equipped with bindiny mechanism, described bindiny mechanism comprises the hyphen plate (21) that long connecting panel (20) is parallel with two, one end of long connecting panel (20) is connecting the other end of described bracket, the other end of long connecting panel (20) is provided with upright the second adapter shaft (4), parallel sleeve is located at the top of the second adapter shaft (4) about the middle part of two blocks of parallel hyphen plates (21), and two blocks of hyphen plates (21) are perpendicular to long connecting panel (20); Be respectively equipped with pull rod shaft (15) between the two ends of two blocks of hyphen plates, one end of two pull bars (12) is connecting respectively two pull rod shaft (15) of dragging on the handle frame on two blocks of hyphen plates, two pull bars (12) middle parts intersects, and the other end of two pull bars (12) is connecting respectively another and dragging on the handle frame two pull rod shaft (15) on two blocks of hyphen plates; Be rotationally connected respectively an end of two connecting rods (3) on the bracket of long connecting panel (20) below, the other end of every connecting rod (3) is being rotationally connected an end of the first connecting panel (13), and the other end of the first connecting panel (13) is connecting the upright sleeve pipe (9) that turns to; Turn to the top of sleeve pipe (9) connecting baseplate (7), the lower end offers the wheel axial trough, and the wheel shaft of every pair of wheel mechanism (10) middle part is positioned at the wheel axial trough, and wheel shaft (10) is connecting by the 4th adapter shaft (8) and turns to sleeve pipe (9).
2. two-way four axistyle formula according to claim 1 turns to flat-bed trailer, it is characterized in that: described long connecting panel (20) is horizontal channel-section steel.
3. two-way four axistyle formula according to claim 1 and 2 turns to flat-bed trailer, it is characterized in that: described the first connecting panel 13 is the L-type plate, and the protrusion position of bending part is towards pull bar (12), and the end face of the first connecting panel (13) is provided with the reinforcement riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100336037A CN103043099A (en) | 2013-01-30 | 2013-01-30 | Bidirectional four-axis type steering platform trailer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100336037A CN103043099A (en) | 2013-01-30 | 2013-01-30 | Bidirectional four-axis type steering platform trailer |
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| CN103043099A true CN103043099A (en) | 2013-04-17 |
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| CN2013100336037A Pending CN103043099A (en) | 2013-01-30 | 2013-01-30 | Bidirectional four-axis type steering platform trailer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943746A (en) * | 2014-03-27 | 2015-09-30 | 上海梅山钢铁股份有限公司 | Solid tyre flat car steering shaft and mounting method thereof |
| CN105599805A (en) * | 2016-01-16 | 2016-05-25 | 武汉理工大学 | Two-way vehicle driving steering control system |
| CN108556912A (en) * | 2018-06-08 | 2018-09-21 | 南通市广益机电有限责任公司 | A kind of electric drive steering chassis |
| CN109017987A (en) * | 2018-08-28 | 2018-12-18 | 江苏沃得高新农业装备有限公司 | Large-scale rake wheel follower steering device |
| CN109484121A (en) * | 2018-11-16 | 2019-03-19 | 江苏科技大学 | Air bag driving translation lifting trailer |
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| FR2836419A1 (en) * | 2002-02-28 | 2003-08-29 | Techni Matal Entpr | Wheeled module for special transport vehicle has steerable wheels positioned to provide independent suspension function |
| CN201941841U (en) * | 2011-01-06 | 2011-08-24 | 宝山钢铁股份有限公司 | Full trailer capable of steering |
| CN202283933U (en) * | 2011-09-15 | 2012-06-27 | 中国人民解放军总后勤部建筑工程研究所 | Double-six-link transmitting four-wheel steering platform trailer |
| EP2492170A1 (en) * | 2011-02-23 | 2012-08-29 | Metalliance | Running gear of transport vehicles with reversible operation |
| CN203047354U (en) * | 2013-01-30 | 2013-07-10 | 安徽合力股份有限公司 | Two-way four-axis type steering platform trailer |
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2013
- 2013-01-30 CN CN2013100336037A patent/CN103043099A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2836419A1 (en) * | 2002-02-28 | 2003-08-29 | Techni Matal Entpr | Wheeled module for special transport vehicle has steerable wheels positioned to provide independent suspension function |
| CN201941841U (en) * | 2011-01-06 | 2011-08-24 | 宝山钢铁股份有限公司 | Full trailer capable of steering |
| EP2492170A1 (en) * | 2011-02-23 | 2012-08-29 | Metalliance | Running gear of transport vehicles with reversible operation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943746A (en) * | 2014-03-27 | 2015-09-30 | 上海梅山钢铁股份有限公司 | Solid tyre flat car steering shaft and mounting method thereof |
| CN104943746B (en) * | 2014-03-27 | 2018-07-27 | 上海梅山钢铁股份有限公司 | One kind being used for solid tyre flat car steering shaft and installation method |
| CN105599805A (en) * | 2016-01-16 | 2016-05-25 | 武汉理工大学 | Two-way vehicle driving steering control system |
| CN105599805B (en) * | 2016-01-16 | 2018-03-16 | 武汉理工大学 | Bidirectional steering vehicle turning steerable system |
| CN108556912A (en) * | 2018-06-08 | 2018-09-21 | 南通市广益机电有限责任公司 | A kind of electric drive steering chassis |
| CN108556912B (en) * | 2018-06-08 | 2023-10-24 | 南通市广益机电有限责任公司 | Electrically driven steering chassis |
| CN109017987A (en) * | 2018-08-28 | 2018-12-18 | 江苏沃得高新农业装备有限公司 | Large-scale rake wheel follower steering device |
| CN109484121A (en) * | 2018-11-16 | 2019-03-19 | 江苏科技大学 | Air bag driving translation lifting trailer |
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Application publication date: 20130417 |