CN111572280A - One-shaft arc-shaped one-shaft linear telescopic length-adjusting axle and wheel track adjusting method - Google Patents
One-shaft arc-shaped one-shaft linear telescopic length-adjusting axle and wheel track adjusting method Download PDFInfo
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- CN111572280A CN111572280A CN202010425404.0A CN202010425404A CN111572280A CN 111572280 A CN111572280 A CN 111572280A CN 202010425404 A CN202010425404 A CN 202010425404A CN 111572280 A CN111572280 A CN 111572280A
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- 239000000725 suspension Substances 0.000 claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 21
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1036—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance
- B60B35/1045—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance electrically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1036—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance
- B60B35/1054—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance hydraulically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Combustion & Propulsion (AREA)
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- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an axle with an arc shaft and a linear telescopic length-adjusting shaft, which comprises two wheel suspension frames, a longitudinal beam, a fixed cross beam telescopic driving mechanism and a movable cross beam telescopic driving mechanism, wherein a fixed cross beam comprises a middle section and a fixed cross beam edge section, the middle section is fixed on the longitudinal beam, the middle section is provided with an annular section at two ends, the fixed cross beam edge section is of an arc structure and can be connected to the two arc sections in an arc-shaped sliding mode in a one-to-one correspondence mode, and the other ends of the two fixed cross beam edge sections are hinged with the two wheel suspension frames through vertical hinge shafts of; the movable cross beam comprises a middle section and two movable cross beam part edge sections, wherein the middle section is of a linear structure and is connected to the longitudinal beam in a longitudinal sliding mode, the two movable cross beam part edge sections correspond to each other one by one and can be connected to the two ends of the middle section in a transverse sliding mode, and the other ends of the movable cross beam part edge sections are hinged to the two wheel suspension frames through movable cross beam part vertical hinge shafts in a one-to-one mode. The extrusion can adjust the wheel tread in the process of traveling, and the problem that the wheel tread of the existing vehicle cannot be adjusted in the process of traveling is solved.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to an axle with an arc shaft and a straight line telescopic length adjustment and a method for adjusting wheel track.
Background
The automobile axle, also called axle, is connected to the frame or body via a suspension and has wheels mounted on its two ends. The axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on the road. According to different driving modes, the axle is also divided into a steering axle, a driving axle, a steering driving axle and a supporting axle.
In the existing vehicle, due to the influence of road conditions in actual use, such as a field seeder and a cross-country vehicle, the wheel track is often required to be adjusted to adapt to different road conditions, the wheel distance adjustment in the prior art is often required to be carried out in a shutdown state, the wheels are lifted by jacking appliances such as jacks, the wheel track is adjusted by the wheel track adjusting structure, and the operation is complex and the processes are multiple.
For example, in chinese patent document, patent No. CN2016105155614, published in 26/10/2016 entitled "a vehicle chassis" includes a frame, a power device, a steering device, and two sets of wheel assemblies, wherein the wheel assemblies include two wheels, two wheel frames, a transmission assembly, a track adjustment assembly, and a first steering link, the transmission assembly includes a differential and two first transmission shafts, and each of the first transmission shaft, the track adjustment assembly, and the first steering link is a length-adjustable component. The steering device comprises a steering oil cylinder, a second steering pull rod support and two second steering pull rods. The wheel assembly of the invention provides the combination of three functions, realizes the adjustment of the wheel track of the vehicle chassis, high vehicle chassis, good trafficability characteristic, four-wheel steering and small turning radius, and simultaneously, the four-wheel drive can ensure that the vehicle chassis is slightly influenced by the condition of the working ground, thereby avoiding the difficulty in driving the vehicle chassis on the rugged road. The wheel adjusting device has the disadvantages that the first transmission shaft is perpendicular to the plane where the wheels are located, the wheels cannot stretch out and draw back the first transmission shaft when falling on the ground, namely, the wheel chassis needs to be lifted when the wheel track of the first transmission shaft is adjusted, at least one wheel is separated from the ground to adjust the wheels, the wheel track of the wheels cannot be adjusted in the advancing process of a vehicle, and the practicability is poor.
Disclosure of Invention
The invention aims to provide an one-axle arc one-axle linear telescopic length-adjusting axle capable of adjusting the wheel track during traveling and a wheel track adjusting method, and solves the problem that the wheel track of the conventional vehicle cannot be adjusted during traveling.
The technical problem is solved by the following technical means: an axle with an arc-shaped axle and a linear extension length-adjustable axle comprises two wheel suspension frames, a longitudinal beam, a fixed beam, a movable beam, a fixed beam extension driving mechanism and a movable beam extension driving mechanism, wherein the fixed beam comprises a fixed beam middle section and two fixed beam edge sections, the fixed beam middle section comprises a fixed beam main body section of a linear structure and two fixed beam arc sections connected with the two ends of the fixed beam main body section, the fixed beam main body section is fixed together with the longitudinal beam, one ends of the two fixed beam edge sections can be connected with one ends of the two fixed beam arc sections, which are far away from the fixed beam middle section, and the other ends of the two fixed beam arc sections can be connected with the two wheel suspension frames in a one-to-one correspondence manner through fixed beam hinged vertical shafts, the sliding direction of the fixed beam edge sections is the same as the extending direction of the fixed beam arc sections, the fixed beam telescopic driving mechanism is used for driving the edge section of the fixed beam part to slide in the arc section of the fixed beam part so as to change the length of the fixed beam; the movable beam comprises a movable beam middle section and two movable beam edge sections, the movable beam middle section and the movable beam edge sections are of linear structures, the movable beam middle section and the longitudinal beam are connected together in a longitudinally sliding manner, one ends of the two movable beam edge sections are connected to two ends of the two movable beam middle sections in a transverse sliding manner in a one-to-one manner, the other ends of the two movable beam edge sections are hinged to the two wheel suspension frames through movable beam vertical hinge shafts in a one-to-one manner, and the movable beam telescopic driving mechanism is used for driving the movable beam edge sections to slide on the movable beam middle section so as to change the length of the movable beam; the movable cross beam and the fixed cross beam are longitudinally distributed, and the vertical hinge shaft of the fixed cross beam part and the vertical hinge shaft of the movable cross beam part are distributed on the front side and the rear side of the axis of the wheel suspension frame. The axle of this application is particularly useful for directly setting up in the wheel in wheel motor's car, wheel hub installs in wheel suspension, the longeron is fixed in the main frame on vehicle bottom chassis, it is fixed to decide the relative automobile body chassis of crossbeam middle section, decide the crossbeam as the main support of wheel, it causes the both sides wheel to be the eight characters to decide the crossbeam shrink when needing to adjust wheel tread, when control vehicle slowly moves ahead, shrink movable beam, movable beam removes to deciding the crossbeam in step, finally realize that both sides wheel is parallel targets in place, can accomplish the regulation of wheel tread at the in-process of marcing of vehicle through this application, need not lifting wheel after stopping, it is convenient to adjust. The movable cross beam adopts linear sliding, and has strong rigidity and is not easy to bend when the strength meets the requirement. And decide the crossbeam and adopt the circular arc to slide to compare the length size that the straight line form can increase and decide the crossbeam, increase the flexibility that improves the axle when adjusting the wheel tread, produce the phenomenon of locking the wheel when preventing the crossbeam shrink to improve the reliability that the wheel tread was adjusted, improve the life of axle. The method is suitable for extreme occasions with large requirements on the wheel track adjusting range. The technical scheme gives consideration to both strength and anti-lock performance.
Preferably, a fixed beam part arc-shaped sliding cavity extending along the extending direction of the fixed beam part arc-shaped section is arranged in the fixed beam part arc-shaped section, a fixed beam part piston is connected in the fixed beam part arc-shaped sliding hole in a sliding sealing mode, the fixed beam part piston separates a fixed beam part rod cavity and a fixed beam part rodless cavity in the fixed beam part arc-shaped sliding cavity, and the fixed beam part edge section is connected with the fixed beam part piston through a fixed beam part piston rod so as to enable the fixed beam part edge section to be connected to the fixed beam part arc-shaped section in a sliding mode along the extending direction of the fixed beam part arc-shaped section; move crossbeam portion edge section and keep away from the one end of wheel mounted frame and be equipped with in the one end of moving crossbeam portion edge section along horizontal extension and move crossbeam portion straight smooth chamber, move crossbeam portion straight smooth intracavity sliding seal and be connected with and move crossbeam portion piston, move crossbeam portion piston and be in move crossbeam portion straight smooth intracavity and keep apart and move crossbeam portion and have the pole chamber and move crossbeam portion rodless chamber, move the both ends in crossbeam portion middle section respectively through one move crossbeam portion piston rod with two move in the crossbeam portion edge section move crossbeam portion piston link together and will move crossbeam portion edge section and can follow lateral sliding ground and connect move on the crossbeam portion middle section. Provides a specific technical scheme for telescoping the cross beam.
Preferably, an end face of one end, away from the middle section of the fixed beam part, of the arc section of the fixed beam part is provided with an arc sliding hole of the fixed beam part, which extends along the extending direction of the arc section of the fixed beam part, and the edge section of the fixed beam part is connected in the arc sliding hole of the fixed beam part in a sealing and sliding manner; the end face of one end, far away from the wheel suspension frame, of the edge section of the movable beam part is provided with a movable beam part straight sliding hole extending along the transverse direction, and two ends of the middle section of the movable beam part are connected to the edge sections of the movable beam part in a one-to-one correspondence mode and are arranged in the movable beam part straight sliding holes. The reliability of the connection between the edge section and the intermediate section can be improved.
Preferably, the fixed beam telescopic driving mechanism comprises a fixed beam driving double-end motor and two fixed beam part bidirectional hydraulic pumps which are connected to two power output shafts of the fixed beam driving double-end motor in a one-to-one correspondence manner, a fixed beam part rod cavity and a fixed beam part rodless cavity in an arc section of one fixed beam part are respectively connected with two ports of the same bidirectional hydraulic pump, and a fixed beam part rod cavity and a fixed beam part rodless cavity in an arc section of the other fixed beam part are respectively connected with two ports of the other bidirectional hydraulic pump; move the flexible actuating mechanism of crossbeam and include that move crossbeam drive double-end motor and connect two-way hydraulic pumps of moving crossbeam portion on two power output shafts of moving crossbeam drive double-end motor one-to-one, be located one move crossbeam portion marginal section move the crossbeam portion have the pole chamber with move two ports of the same two-way hydraulic pump of fixed crossbeam portion in crossbeam portion rodless chamber and link together, be located another move crossbeam portion marginal section end move the crossbeam portion have the pole chamber with move crossbeam portion rodless chamber and link together with two ports of another two-way hydraulic pump of moving crossbeam portion. Provides a specific technical scheme of the telescopic driving mechanism.
Preferably, the movable beam and the fixed beam hinge shaft are located on the same side of the fixed beam. The layout is convenient.
Preferably, the arc-shaped section of the fixed beam part is bent towards the movable beam.
The invention also comprises a fixed beam length locking rod and a movable beam length locking rod, wherein the fixed beam length locking rod comprises two fixed beam locking rod part halves, one ends of the two fixed beam locking rod part halves are connected in a sliding manner and are fixed together by matching an electromagnet with an iron magnet, and the other ends of the two fixed beam locking rod part halves are rotationally connected to the two fixed beam vertical hinge shafts in a one-to-one correspondence manner; the movable cross beam length locking rod comprises two movable cross beam locking rod parts, one end of each movable cross beam locking rod part is connected in a sliding mode, the two movable cross beam locking rod parts are fixedly connected together through an electromagnet matched with an iron magnet, and the other ends of the two movable cross beam locking rod parts are connected to the vertical hinge shafts of the movable cross beam parts in a one-to-one corresponding mode in a rotating mode. When not needing flexible crossbeam to adjust the wheel base promptly, crossbeam length locking pole keeps length to change under the effect of electro-magnet cooperation ferromagnet to avoid because and leading to crossbeam length mistake flexible. When the wheel track needs to be adjusted, the electromagnet is powered off, and the beam length locking rod can contract, so that the expansion of the beam cannot be interfered, namely the adjustment of the wheel track is realized.
A method for adjusting wheel track is characterized in that in the first step, edge sections of two fixed beam parts slide for the same distance along arc sections of the two fixed beam parts to change the length of the fixed beam, and the fixed beam drives a wheel suspension bracket to rotate by taking a vertical hinge shaft of a movable beam part as an axis to generate deflection when the length of the fixed beam is changed, so that the two wheel suspension brackets are distributed in a splayed shape; secondly, enabling the edge sections of the two movable cross beams to slide for the same distance along the transverse direction to change the length of the movable cross beam, and when the length of the movable cross beam is changed, the movable cross beam drives the wheel suspension frames to rotate by taking the vertical hinged shaft of the fixed cross beam as an axis and to be righted until the two wheel suspension frames are parallel, so that the two wheel suspension frames are distributed in a splayed shape; the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the fixed beam in the first step are opposite to the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the movable beam in the second step; repeating the first step and the second step until the distance between the two wheel suspension brackets meets the requirement;
or
Firstly, enabling the edge sections of the two movable cross beam parts to slide for the same distance along the transverse direction to change the length of the movable cross beam, and driving the wheel suspension frames to rotate by taking the vertical hinge shaft of the fixed cross beam part as a shaft when the length of the movable cross beam is changed to generate deflection so as to enable the two wheel suspension frames to be distributed in a splayed shape; secondly, enabling the edge sections of the two fixed cross beam parts to slide for the same distance along the arc sections of the two fixed cross beam parts so as to change the length of the fixed cross beam, and enabling the movable cross beam to drive the fixed wheel suspension frames to rotate and align to be parallel to the two wheel suspension frames by taking the vertical hinge shaft of the movable cross beam part as a shaft when the length of the fixed cross beam is changed, so that the two wheel suspension frames are distributed in a splayed shape; the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the movable cross beam in the first step are opposite to the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the fixed cross beam in the second step; the first and second steps are repeated until the distance between the two wheel suspensions meets the requirements. The wheel track can be adjusted in the advancing process, the wheel can be separated and combined in a swing mode when the wheel track is adjusted, namely the wheel track is changed, and the problem that the wheel is greatly damaged due to the fact that the wheel track is changed when the wheel track is separated and combined in a translation mode in the prior art is solved.
Preferably, the angle at which the wheel suspension is deflected in the first step is less than 5 °. The occurrence of the seizing phenomenon can be prevented.
Preferably, the first step is to adjust one of the fixed beam and the movable beam connected to the front side of the axis of the wheel suspension. The forward rolling action of the wheels can play a role in promoting the fixed cross beam to contract, so that labor is saved during adjustment.
Preferably, the upper side of the longitudinal beam is provided with a longitudinal guide groove, the lower end of the movable cross beam is provided with a sliding block matched with the guide groove, and the bottom end of the sliding block is provided with a supporting rolling ball matched with the bottom surface of the guide groove. Through slider and guide way cooperation, realize the reliable slip of carriage, support the spin and can reduce the friction between slider and the guide way, improve the reliability of carriage sliding capability.
Preferably, the cross section of the guide groove is in a T shape, and the slider is in a stepped cylindrical shape. The reliable spacing of guide way and slider is realized because the slider is the ladder cylindrical, and the contact of side and guide way is little, reduces the friction between guide way and the slider to eliminate the direct pressure of slider to the guide way lateral wall.
The invention has the advantages that: the wheel track of the wheel can be adjusted in the advancing process of the vehicle, the wheel does not need to be lifted after the vehicle is stopped, the adjustment is convenient, and the commercial value is high; the regulation is stable and the reliability is high.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a sectional view of the junction of the movable cross member and the building complex of fig. 1.
Fig. 3 is a schematic structural view of the slider in fig. 2.
In the figure: the wheel suspension frame comprises a wheel suspension frame 1, a fixed beam part edge section 2, a fixed beam part main body section 3, a fixed beam part arc-shaped section 4, a fixed beam part vertical hinge shaft 5, a movable beam part edge section 6, a movable beam part middle section 8, a guide groove 9, a slide block 10, a support rolling ball 11, a movable beam part vertical hinge shaft 12, a fixed beam part piston 13, a fixed beam part rod cavity 14, a fixed beam part rodless cavity 15, a fixed beam part piston rod 16, a movable beam part piston 17, a movable beam part rod cavity 18, a movable beam part rodless cavity 20, a movable beam part piston rod 21, a fixed beam part arc-shaped sliding hole 22, a movable beam part straight sliding hole 23, a fixed beam driving double-head motor 24, a fixed beam part two-way hydraulic pump 25, a movable beam driving double-head motor 26, a movable beam part two-way hydraulic pump 27, a fixed beam locking rod part half 28, a movable beam locking rod part half 29 and a longitudinal.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The longitudinal direction in the present invention is the longitudinal direction of the vehicle, i.e., the front-rear direction, and the lateral direction is the width direction of the vehicle, i.e., the left-right direction.
Referring to fig. 1 to 3, an axle with an arc axle and a straight line telescopic length-adjustable axle comprises two wheel suspension frames 1, longitudinal beams 30, a fixed cross beam, a movable cross beam, a fixed cross beam telescopic driving mechanism and a movable cross beam telescopic driving mechanism. The fixed beam comprises a fixed beam part middle section and two fixed beam part edge sections 2. Decide crossbeam portion middle part and decide crossbeam portion main part section 3 and connect two of deciding crossbeam portion main part section both ends including rectilinear structure and decide crossbeam portion arc section 4. The main body section of the fixed beam part is fixed together with the longitudinal beam. One end of each of the two fixed beam part edge sections can be connected with one end and the other end of each of the two fixed beam part arc sections far away from the fixed beam part middle section in a sliding manner along the extension direction of the fixed beam part arc sections in a one-to-one correspondence manner, and the two fixed beam part arc sections are hinged together with the two wheel suspension frames through the fixed beam part vertical hinge shafts 5 in a one-to-one correspondence manner. The sliding direction of the edge section of the fixed beam part is the same as the extending direction of the arc section of the fixed beam part. The fixed beam telescopic driving mechanism is used for driving the edge section of the fixed beam part to slide in the arc section of the fixed beam part so as to change the length of the fixed beam. The movable beam comprises a movable beam part middle section 8 and two movable beam part edge sections 6. The middle section of the movable beam part is of a linear structure. The movable beam part main body section and the longitudinal beam are connected together in a longitudinally sliding manner, and specifically: the upside of longeron is equipped with guide way 9, is equipped with on the lower surface of movable beam portion main part section with guide way complex slider 10, the bottom of slider be equipped with guide way bottom surface complex support spin 11. The cross section of the guide groove is T-shaped, and the slide block is in a stepped cylindrical shape. One end of the edge sections of the two movable beam parts can be connected with two ends of the middle section of the movable beam part in a one-to-one correspondence manner along the transverse sliding manner, and the other ends of the edge sections of the two movable beam parts are hinged with the two wheel suspension brackets through the vertical hinge shafts 12 of the movable beam parts in a one-to-one correspondence manner. The sliding direction of the edge section of the movable beam part is the same as the extending direction of the middle section of the movable beam part. The movable beam telescopic driving mechanism is used for driving the edge section of the movable beam part to slide on the middle section of the movable beam part so as to change the length of the movable beam; the movable beam and the fixed beam are distributed along the longitudinal direction. The fixed beam part vertical hinge shaft and the movable beam part vertical hinge shaft are distributed on the front side and the rear side of the axis of the wheel suspension frame. The hinge shaft of the movable beam and the fixed beam are positioned on the same side of the fixed beam. The arc-shaped section of the fixed beam part is bent towards the movable beam. The fixed beam part arc section is internally provided with a fixed beam part arc sliding cavity extending along the extending direction of the fixed beam part arc section. The fixed beam part piston 13 is connected in the fixed beam part arc-shaped sliding hole in a sliding and sealing mode. The fixed beam part piston separates a fixed beam part rod cavity 14 and a fixed beam part rodless cavity 15 in the fixed beam part arc-shaped sliding cavity. The fixed beam part edge section is connected with the fixed beam part piston through the fixed beam part piston rod 16, and the fixed beam part edge section can be connected to the fixed beam part arc section in a sliding mode along the extending direction of the fixed beam part arc section.
One end of the edge section of the movable beam part, which is far away from the wheel suspension bracket, is internally provided with a movable beam part straight sliding cavity which extends along the transverse direction. The movable beam part straight sliding cavity is connected with a movable beam part piston 17 in a sliding sealing way. The movable beam part piston separates a movable beam part rod cavity 18 and a movable beam part rodless cavity 20 in a movable beam part straight sliding cavity. Two ends in the middle of the movable beam part are connected with the movable beam part pistons in the two movable beam part edge sections through a movable beam part piston rod 21, and the movable beam part edge sections can be connected to two ends of the movable beam part middle section in a transverse sliding mode.
The end face of one end of the fixed beam part arc section, which is far away from the middle section of the fixed beam part, is provided with a fixed beam part arc slide hole 22 which extends along the extending direction of the fixed beam part arc section. The edge section of the fixed beam part is connected in the arc-shaped sliding hole of the fixed beam part in a sealing and sliding manner.
And a movable beam part straight sliding hole 23 extending along the transverse direction is arranged on the end surface of one end of the edge section of the movable beam part far away from the wheel suspension bracket. Two ends of the middle section of the movable beam part are connected in the straight sliding holes of the movable beam part in the edge sections of the two movable beam parts in a one-to-one sliding mode.
The fixed beam telescopic driving mechanism comprises a fixed beam driving double-end motor 24 and two fixed beam part bidirectional hydraulic pumps 25 which are connected to two power output shafts of the fixed beam driving double-end motor in a one-to-one correspondence manner, a fixed beam part rod cavity and a fixed beam part rodless cavity which are positioned in an arc-shaped section of one fixed beam part are respectively connected with two ports of the same fixed beam part bidirectional hydraulic pump, and a fixed beam part rod cavity and a fixed beam part rodless cavity which are positioned in an arc-shaped section of the other fixed beam part are respectively connected with two ports of the other fixed beam part bidirectional hydraulic pump;
the movable beam telescopic driving mechanism comprises a movable beam driving double-head motor 26 and two movable beam part bidirectional hydraulic pumps 27 connected to two power output shafts of the movable beam driving double-head motor in a one-to-one correspondence mode, a movable beam part in one movable beam part edge section is connected with two ports of the same movable beam part bidirectional hydraulic pump in a rod cavity and a movable beam part rodless cavity, and a movable beam part in the other movable beam part edge section is connected with two ports of the other movable beam part bidirectional hydraulic pump in a rod cavity and a movable beam part rodless cavity.
The edge section of the fixed beam part is of an arc-shaped structure. The invention also comprises a fixed beam length locking rod and a movable beam length locking rod. The fixed beam length locking bar comprises two fixed beam locking bar part halves 28, one end of which is slidably connected and fixed together by an electromagnet in cooperation with an iron magnet. The other ends of the two fixed cross beam locking rod part halves are correspondingly and rotatably connected to the two fixed cross beam vertical hinge shafts one by one; the movable beam length locking lever comprises two movable beam locking lever part halves 29 which are connected in a sliding mode at one end and are fixed together through matching of an electromagnet and a ferromagnetic body. The other ends of the two movable cross beam locking rod part halves are rotationally connected to the two movable cross beam part vertical hinge shafts in a one-to-one correspondence mode.
When in use, the wheels are fixed on the wheel suspension bracket.
The method for adjusting the wheel track of the automobile with the axle comprises the following steps: the method comprises the following steps that firstly, edge sections of two fixed cross beam portions slide for the same distance along arc-shaped sections of the two fixed cross beam portions to change the length of the fixed cross beam, and the fixed cross beam drives wheel suspension frames to rotate by taking a vertical hinge shaft of a movable cross beam portion as an axis to generate deflection when the length of the fixed cross beam is changed, so that the two wheel suspension frames are distributed in a splayed shape; secondly, enabling the edge sections of the two movable cross beams to slide for the same distance along the transverse direction to change the length of the movable cross beam, and when the length of the movable cross beam is changed, the movable cross beam drives the wheel suspension frames to rotate by taking the vertical hinged shaft of the fixed cross beam as an axis and to be righted until the two wheel suspension frames are parallel, so that the two wheel suspension frames are distributed in a splayed shape; the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the fixed beam in the first step are opposite to the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the movable beam in the second step; repeating the first step and the second step until the distance between the two wheel suspension brackets meets the requirement;
or
Firstly, enabling the edge sections of the two movable cross beam parts to slide for the same distance along the transverse direction to change the length of the movable cross beam, and driving the wheel suspension frames to rotate by taking the vertical hinge shaft of the fixed cross beam part as a shaft when the length of the movable cross beam is changed to generate deflection so as to enable the two wheel suspension frames to be distributed in a splayed shape; secondly, enabling the edge sections of the two fixed cross beam parts to slide for the same distance along the arc sections of the two fixed cross beam parts so as to change the length of the fixed cross beam, and enabling the movable cross beam to drive the fixed wheel suspension frames to rotate and align to be parallel to the two wheel suspension frames by taking the vertical hinge shaft of the movable cross beam part as a shaft when the length of the fixed cross beam is changed, so that the two wheel suspension frames are distributed in a splayed shape; the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the movable cross beam in the first step are opposite to the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the fixed cross beam in the second step; the first and second steps are repeated until the distance between the two wheel suspensions meets the requirements. The angle at which the wheel suspension is deflected in the first step is less than 5. In the embodiment, the fixed cross beam and the fixed cross beam hinged shaft are positioned in front of the axis of the wheel suspension frame and the movable cross beam, so the fixed cross beam is adjusted in the first step. If the fixed cross beam and the fixed cross beam vertical hinge shaft are both arranged behind the axes of the movable cross beam and the wheel suspension bracket, the movable cross beam is adjusted to shrink in the first step. The vehicle still remains in low speed operation during the adjustment, for example at a speed of less than 15 km/h.
Claims (10)
1. An axle with an arc-shaped axle and a linear extension length-adjustable axle comprises two wheel suspension frames and is characterized by comprising a longitudinal beam, a fixed beam, a movable beam, a fixed beam extension driving mechanism and a movable beam extension driving mechanism, wherein the fixed beam comprises a fixed beam middle section and two fixed beam edge sections, the fixed beam middle section comprises a fixed beam main body section with a linear structure and two fixed beam arc sections connected with the two ends of the fixed beam main body section, the fixed beam main body section is fixed together with the longitudinal beam, one ends of the two fixed beam edge sections can be connected with one ends of the two fixed beam arc sections, which are far away from the fixed beam middle section, in a one-to-one correspondence manner, and the other ends of the two fixed beam edge sections are hinged with the two wheel suspension frames through fixed beam vertical beam hinged shafts in a one-to-one manner, the fixed beam telescopic driving mechanism is used for driving the edge section of the fixed beam part to slide on the arc section of the fixed beam part so as to change the length of the fixed beam; the movable beam comprises a movable beam middle section and two movable beam edge sections, the movable beam middle section and the movable beam edge sections are linear structures, the movable beam direct section and the longitudinal beam can be longitudinally and slidably connected together, one end of each of the two movable beam edge sections can be transversely and slidably connected to two ends of the two movable beam middle sections, the other end of each of the two movable beam edge sections is hinged to the two wheel suspension frames through a movable beam vertical hinge shaft in a one-to-one correspondence manner, and the movable beam telescopic driving mechanism is used for driving the movable beam edge sections to slide on the movable beam middle section so as to change the length of the movable beam; the movable cross beam and the fixed cross beam are longitudinally distributed, and the vertical hinge shaft of the fixed cross beam part and the vertical hinge shaft of the movable cross beam part are distributed on the front side and the rear side of the axis of the wheel suspension frame.
2. The axle according to claim 1, wherein a fixed beam portion arc-shaped sliding cavity extending in the extending direction of the fixed beam portion arc-shaped section is arranged in the fixed beam portion arc-shaped section, a fixed beam portion piston is connected in the fixed beam portion arc-shaped sliding hole in a sliding and sealing mode, a fixed beam portion rod cavity and a fixed beam portion rodless cavity are separated in the fixed beam portion arc-shaped sliding cavity by the fixed beam portion piston, and the fixed beam portion edge section is connected with the fixed beam portion piston through a fixed beam portion piston rod so that the fixed beam portion edge section can be connected to the fixed beam portion arc-shaped section in the extending direction of the fixed beam portion arc-shaped section in a sliding mode; move crossbeam portion edge section and keep away from the one end of wheel mounted frame and be equipped with in the one end of moving crossbeam portion edge section along horizontal extension and move crossbeam portion straight smooth chamber, move crossbeam portion straight smooth intracavity sliding seal and be connected with and move crossbeam portion piston, move crossbeam portion piston and be in move crossbeam portion straight smooth intracavity and keep apart and move crossbeam portion and have the pole chamber and move crossbeam portion rodless chamber, move the both ends in crossbeam portion middle section respectively through one move crossbeam portion piston rod with two move in the crossbeam portion edge section move crossbeam portion piston link together and will move crossbeam portion edge section and can follow lateral sliding ground and connect move on the crossbeam portion middle section.
3. The axle according to claim 2, wherein the end surface of the arc-shaped section of the fixed beam portion, which is far away from the middle section of the fixed beam portion, is provided with an arc-shaped sliding hole of the fixed beam portion, which extends along the extending direction of the arc-shaped section of the fixed beam portion, and the edge section of the fixed beam portion is connected in a sealing and sliding manner in the arc-shaped sliding hole of the fixed beam portion; the end face of one end, far away from the wheel suspension frame, of the edge section of the movable beam part is provided with a movable beam part straight sliding hole extending along the transverse direction, and two ends of the middle section of the movable beam part are connected to the edge sections of the movable beam part in a one-to-one correspondence mode and are arranged in the movable beam part straight sliding holes.
4. The axle of claim 2, wherein the fixed beam telescopic driving mechanism comprises a fixed beam driving double-end motor and two fixed beam part bidirectional hydraulic pumps connected to two power output shafts of the fixed beam driving double-end motor in a one-to-one correspondence manner, a fixed beam part rod cavity and a fixed beam part rodless cavity in one fixed beam part arc section are respectively connected with two ports of the fixed beam part bidirectional hydraulic pump, and a fixed beam part rod cavity and a fixed beam part rodless cavity in the other fixed beam part arc section are respectively connected with two ports of the other fixed beam part bidirectional hydraulic pump; move the flexible actuating mechanism of crossbeam and include that move crossbeam drive double-end motor and connect two-way hydraulic pumps of moving crossbeam portion on two power output shafts of moving crossbeam drive double-end motor one-to-one, be located one move crossbeam portion marginal section move the crossbeam portion have the pole chamber with move two ports of the same two-way hydraulic pump of fixed crossbeam portion in crossbeam portion rodless chamber and link together, be located another move crossbeam portion marginal section end move the crossbeam portion have the pole chamber with move crossbeam portion rodless chamber and link together with two ports of another two-way hydraulic pump of moving crossbeam portion.
5. The axle of claim 1, wherein the movable cross member and the fixed cross member hinge shaft are located on the same side of the fixed cross member.
6. The axle of claim 1, wherein said fixed beam portion arcuate segment is curved toward said movable beam.
7. The axle of claim 1, further comprising a fixed beam length locking rod and a movable beam length locking rod, wherein the fixed beam length locking rod comprises two fixed beam locking rod halves, one ends of the two fixed beam locking rod halves are slidably connected and fixed together through an electromagnet and a ferromagnetic body, and the other ends of the two fixed beam locking rod halves are rotatably connected to the two fixed beam vertical hinge shafts in a one-to-one correspondence manner; the movable cross beam length locking rod comprises two movable cross beam locking rod parts, one end of each movable cross beam locking rod part is connected in a sliding mode, the two movable cross beam locking rod parts are fixedly connected together through an electromagnet matched with an iron magnet, and the other ends of the two movable cross beam locking rod parts are connected to the vertical hinge shafts of the movable cross beam parts in a one-to-one corresponding mode in a rotating mode.
8. A method for adjusting the wheel track of the axle with the one-axle arc-one-axle linear telescopic length-adjusting type is suitable for the axle with the one-axle arc-one-axle linear telescopic length-adjusting type as claimed in claim 1, and is characterized in that in the first step, the two fixed beam part edge sections slide along the two fixed beam part arc sections for the same distance to change the length of the fixed beam, and when the length of the fixed beam is changed, the fixed beam drives the wheel suspension frames to rotate by taking the movable beam part vertical hinge shaft as an axle to generate deflection so that the two wheel suspension frames are distributed in a splayed shape; secondly, enabling the edge sections of the two movable cross beams to slide for the same distance along the transverse direction to change the length of the movable cross beam, and when the length of the movable cross beam is changed, the movable cross beam drives the wheel suspension frames to rotate by taking the vertical hinged shaft of the fixed cross beam as an axis and to be righted until the two wheel suspension frames are parallel, so that the two wheel suspension frames are distributed in a splayed shape; the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the fixed beam in the first step are opposite to the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the movable beam in the second step; repeating the first step and the second step until the distance between the two wheel suspension brackets meets the requirement;
or
Firstly, enabling the edge sections of the two movable cross beam parts to slide for the same distance along the transverse direction to change the length of the movable cross beam, and driving the wheel suspension frames to rotate by taking the vertical hinge shaft of the fixed cross beam part as a shaft when the length of the movable cross beam is changed to generate deflection so as to enable the two wheel suspension frames to be distributed in a splayed shape; secondly, enabling the edge sections of the two fixed cross beam parts to slide for the same distance along the arc sections of the two fixed cross beam parts so as to change the length of the fixed cross beam, and enabling the movable cross beam to drive the fixed wheel suspension frames to rotate and align to be parallel to the two wheel suspension frames by taking the vertical hinge shaft of the movable cross beam part as a shaft when the length of the fixed cross beam is changed, so that the two wheel suspension frames are distributed in a splayed shape; the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the movable cross beam in the first step are opposite to the deflection directions of the same wheel suspension frame when the two wheel suspension frames are distributed in the shape of the Chinese character 'ba' due to the driving action of the fixed cross beam in the second step; the first and second steps are repeated until the distance between the two wheel suspensions meets the requirements.
9. A method of adjusting a track according to claim 8, wherein the wheel suspension is deflected by an angle of less than 5 ° in the first step.
10. The method for adjusting a wheel tread according to claim 8, wherein the first step is adjusting one of the fixed beam and the movable beam connected to a front side of an axis of the wheel suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425404.0A CN111572280B (en) | 2020-05-19 | 2020-05-19 | One-axis arc one-axis linear telescopic length-adjusting type axle and wheel tread adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010425404.0A CN111572280B (en) | 2020-05-19 | 2020-05-19 | One-axis arc one-axis linear telescopic length-adjusting type axle and wheel tread adjusting method |
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| CN111572280A true CN111572280A (en) | 2020-08-25 |
| CN111572280B CN111572280B (en) | 2023-10-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273285A1 (en) * | 2021-07-02 | 2023-01-05 | 中车青岛四方机车车辆股份有限公司 | Bogie |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231625A (en) * | 2013-04-08 | 2013-08-07 | 浙江吉利汽车研究院有限公司杭州分公司 | Telescopic device and vehicle provided with same |
| CN106274291A (en) * | 2016-08-30 | 2017-01-04 | 湖北立晋钢铁集团有限公司 | A kind of axletree |
| US20170210192A1 (en) * | 2014-10-14 | 2017-07-27 | Reybrouck Consulting & Innovation Bvba | Wheel Suspension |
| CN212289389U (en) * | 2020-05-19 | 2021-01-05 | 南平市建阳区汽车锻压件厂 | Double-shaft axle with straight line expansion and arc expansion |
-
2020
- 2020-05-19 CN CN202010425404.0A patent/CN111572280B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231625A (en) * | 2013-04-08 | 2013-08-07 | 浙江吉利汽车研究院有限公司杭州分公司 | Telescopic device and vehicle provided with same |
| US20170210192A1 (en) * | 2014-10-14 | 2017-07-27 | Reybrouck Consulting & Innovation Bvba | Wheel Suspension |
| CN106274291A (en) * | 2016-08-30 | 2017-01-04 | 湖北立晋钢铁集团有限公司 | A kind of axletree |
| CN212289389U (en) * | 2020-05-19 | 2021-01-05 | 南平市建阳区汽车锻压件厂 | Double-shaft axle with straight line expansion and arc expansion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273285A1 (en) * | 2021-07-02 | 2023-01-05 | 中车青岛四方机车车辆股份有限公司 | Bogie |
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