CN212289388U - Double-shaft arc-shaped telescopic variable-length axle - Google Patents
Double-shaft arc-shaped telescopic variable-length axle Download PDFInfo
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- CN212289388U CN212289388U CN202020838828.5U CN202020838828U CN212289388U CN 212289388 U CN212289388 U CN 212289388U CN 202020838828 U CN202020838828 U CN 202020838828U CN 212289388 U CN212289388 U CN 212289388U
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Abstract
The utility model discloses a flexible axle that becomes long of biaxial formula arc, including two wheel mounted frames, the longeron, decide the crossbeam, move the crossbeam, decide the flexible actuating mechanism of crossbeam and move the flexible actuating mechanism of crossbeam, the structure of deciding the crossbeam is the same with the structure of moving the crossbeam, it includes interlude and two marginal sections to decide the crossbeam, the interlude includes linear structure's main part section and connects two segmental arcs at main part section both ends, the main part section of deciding the crossbeam is together fixed with the longeron and the main part section of moving the crossbeam is together with longeron sliding connection, the one end one-to-one of two marginal sections can be followed and decide crossbeam portion segmental arc extending direction and connect on two segmental arcs with sliding, the other end one-to-one is in the same place through erecting the hinge with two wheel mounted frames are. The utility model aims at providing a can be in the flexible variable length axle of double-axle arc of advancing adjusting wheel track, solved current vehicle can not be in the problem of advancing adjusting wheel track.
Description
Technical Field
The utility model belongs to the technical field of automobile parts and specifically relates to a flexible variable length axle of two axle type arcs is related to.
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, chinese patent document CN2016105155614, published 26/10/2016 and 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 rod, the transmission assembly includes a differential and two first transmission shafts, and the first transmission shaft, the track adjustment assembly, and the first steering rod are all length-adjustable components. The steering device comprises a steering oil cylinder, a second steering pull rod support and two second steering pull rods. The utility model discloses a wheel subassembly sets up, provides the combination of three kinds of functions, has realized that vehicle chassis wheel base can be adjusted, and vehicle chassis is high, and trafficability characteristic is good, realizes four-wheel steering, and turning radius is little, and simultaneously, four wheel drive's setting can let vehicle chassis receive work ground situation to influence for a short time, avoids vehicle chassis to go on the rugged road surface difficulty. 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be in the flexible variable length axle of double-axle arc of advancing adjusting wheel track, solved current vehicle can not be in the problem of advancing adjusting wheel track.
The technical problem is solved by the following technical means: a double-shaft arc-shaped telescopic variable-length axle comprises two wheel suspension frames, longitudinal beams, a fixed cross beam, a movable cross beam, a fixed cross beam telescopic driving mechanism and a movable cross beam telescopic driving mechanism, wherein the fixed cross beam comprises a fixed cross beam part middle section and two fixed cross beam part edge sections, the fixed cross beam part middle section comprises a fixed cross beam part main body section of a linear structure and two fixed cross beam part arc sections connected to the two ends of the fixed cross beam part main body section, the fixed cross beam part main body section is fixed together with the longitudinal beams, one ends of the two fixed cross beam part edge sections can be connected with one ends of the two fixed cross beam part arc sections, which are far away from the fixed cross beam part middle section, in a one-to-one correspondence manner, and the other ends of the two fixed cross beam part arc sections are hinged together with the two wheel suspension frames through fixed cross beam part vertical hinged shafts, the sliding direction of the fixed cross beam part edge sections is the same as the extending, 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 comprises a movable beam main body section with a linear structure and two movable beam arc sections connected with the two ends of the movable beam main body section, the main body section of the movable beam part and the longitudinal beam can be connected together in a longitudinal sliding manner, one ends of the edge sections of the two movable beam parts can be connected with one ends of the arc sections of the two movable beam parts, which are far away from the middle section of the movable beam part, in a one-to-one corresponding manner along the extension direction of the arc sections of the fixed beam part, and the other ends of the arc sections of the two movable beam parts are hinged with the two wheel suspension brackets through vertical hinge shafts of the movable beam part, the sliding direction of the edge section of the movable beam part is the same as the extending direction of the arc 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 in the arc section of the movable beam part 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. When the strength of the linear sliding section meets the requirement, the linear sliding section has strong rigidity and is not easy to bend. And arc compares the straight line form and can increase the length dimension who decides the crossbeam and move the crossbeam, increases the flexibility that improves the axle when adjusting the wheel tread, prevents to produce the phenomenon of locking the wheel when the crossbeam contracts to improve the reliability that the wheel tread was adjusted, improve the life of axle. Is suitable for extreme occasions with large requirements on wheel track adjusting range
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 cavity 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 and be equipped with in the crossbeam portion arc section and move the smooth chamber of crossbeam portion arc that extends along the extending direction of moving crossbeam portion arc section, move and slide sealing connection has a movable crossbeam portion piston in the smooth chamber of crossbeam portion arc, movable crossbeam portion piston is in it has the pole chamber and moves crossbeam portion rodless chamber to keep apart movable crossbeam portion in the smooth intracavity of movable crossbeam portion arc, movable crossbeam portion edge section is through moving crossbeam portion piston rod with movable crossbeam portion piston links together and will move crossbeam portion edge section and can follow the extending direction that moves crossbeam portion arc section and connect with sliding on the movable crossbeam portion arc 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, far away from the middle section one end of the movable beam part, of the arc section of the movable beam part is provided with an arc sliding hole of the movable beam part, which extends along the extending direction of the arc section of the movable beam part, and the edge section of the movable beam part is connected in a sealing and sliding manner in the arc sliding hole of the movable beam part. 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; the movable beam telescopic driving mechanism comprises a movable beam driving double-end motor and two movable beam part bidirectional hydraulic pumps which are connected to two power output shafts of the movable beam driving double-end motor in a one-to-one correspondence mode, a movable beam part in one movable beam part arc section is connected with two ports of the same bidirectional hydraulic pump through a rod cavity and a movable beam part rodless cavity, and a movable beam part in the other movable beam part arc section is connected with two ports of the other bidirectional hydraulic pump through a rod cavity and a movable beam part rodless cavity. 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 portion is bent toward the movable beam, and the arc-shaped section of the movable beam portion is bent toward the fixed beam. The movable cross beam and the fixed cross beam form a symmetrical structure, so that the automobile has higher structural stability and can improve the stability of the automobile.
The utility model 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 parts half parts which are connected in a sliding way at one end and fixed together by matching an electromagnet with an iron magnet, and the other ends of the two fixed beam locking rod parts half parts are rotationally connected on two fixed beam vertical hinge shafts in a one-to-one correspondence way; 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.
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 utility model discloses an useful part lies in: 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 diagram 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 device 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 main body section 7, a movable beam part arc-shaped section 8, a guide groove 9, a slider 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 part driving double-head motor 24, a fixed beam part bidirectional hydraulic pump 25, a movable beam driving double-head motor 26, a movable beam part bidirectional hydraulic pump 27 and a longitudinal beam 30.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
The utility model provides a vertical length direction who is the car promptly fore-and-aft direction promptly, horizontal width direction who is the car promptly control the direction.
Referring to fig. 1 to 3, a biaxial arc-shaped telescopic variable length 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 and two movable beam part edge sections 6. The middle section of the movable beam part comprises a main section 7 of the movable beam part with a linear structure and two arc sections 8 of the movable beam part connected with two ends of the main section of the movable beam part. 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 each of the two movable beam part edge sections can be connected with one end and the other end of each of the two movable beam part arc sections far away from the movable beam part middle section in a sliding manner along the extension direction of the fixed beam part arc section in a one-to-one correspondence manner and are hinged with the two wheel suspension frames through the movable beam part vertical hinge shaft 12 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 arc 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 in the arc 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 fixed beam part arc-shaped section bends towards the movable beam, and the movable beam part arc-shaped section bends towards the fixed 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 arc-shaped sliding cavity is connected with a fixed beam part piston 13 in a sliding 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. The movable beam part arc-shaped section is internally provided with a movable beam part arc-shaped sliding cavity extending along the extending direction of the movable beam part arc-shaped section. The movable beam part piston 17 is connected with the movable beam part arc-shaped sliding cavity in a sliding and sealing mode. The movable beam part piston separates a movable beam part rod cavity 18 and a movable beam part rodless cavity 20 in the movable beam part arc-shaped sliding cavity. The movable beam part edge section is connected with the movable beam part piston through a movable beam part piston rod 21, and the movable beam part edge section can be connected to the movable beam part arc section in a sliding mode along the extending direction of the movable beam part arc section. 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 the end surface of one end of the movable beam part arc section, which is far away from the middle section of the movable beam part, is provided with a movable beam part arc slide hole 23 extending along the extending direction of the movable beam part arc section. The edge section of the movable beam part is connected in an arc-shaped sliding hole of the movable beam part in a sealing and sliding manner. 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-end motor 26 and two movable beam part bidirectional hydraulic pumps 27 connected to two power output shafts of the movable beam driving double-end motor in a one-to-one correspondence mode, a movable beam part in one movable beam part arc section is provided with a rod cavity and a movable beam part rodless cavity which are respectively connected with two ports of the same fixed beam part bidirectional hydraulic pump, and a movable beam part in the other movable beam part arc section is provided with a rod cavity and a movable beam part rodless cavity which are respectively connected with two ports of the other movable beam part bidirectional hydraulic pump. The edge sections of the fixed beam part and the movable beam part are both arc-shaped structures.
When in use, the wheels are fixed on the wheel suspension bracket.
To having the utility model discloses a method that the car of axle was transferred the track is: firstly, enabling the edge sections of the two fixed beam parts to slide for the same distance along the arc sections of the two fixed beam parts to change the length of the fixed beam, and driving the wheel suspension bracket to rotate by taking the vertical hinge shaft of the movable beam part as a shaft to generate deflection by changing the length of the fixed beam; secondly, enabling the edge sections of the two movable cross beam parts to slide for the same distance along the arc sections of the two movable cross beam parts to change the length of the movable cross beam, and driving the wheel suspension bracket to rotate and align by taking the vertical hinge shaft of the fixed cross beam part as a shaft through changing the length of the movable cross beam; repeating the first step and the second step until the distance between the two wheel suspension brackets meets the requirement; the vehicle still remains in low speed operation during the adjustment, for example at a speed of less than 15 km/h.
Claims (6)
1. A double-shaft arc-shaped telescopic variable-length axle comprises two wheel suspension frames and is characterized by comprising a longitudinal beam, a fixed beam, a movable beam, a fixed beam telescopic driving mechanism and a movable beam telescopic 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 to 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, through fixed beam vertical hinged shafts and hinged with the two wheel suspension frames together in a one-to-one manner, 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 comprises a movable beam main body section with a linear structure and two movable beam arc sections connected with the two ends of the movable beam main body section, the main body section of the movable beam part and the longitudinal beam can be connected together in a longitudinal sliding manner, one ends of the edge sections of the two movable beam parts can be connected with one ends of the arc sections of the two movable beam parts, which are far away from the middle section of the movable beam part, in a one-to-one corresponding manner along the extension direction of the arc sections of the fixed beam part, and the other ends of the arc sections of the two movable beam parts are hinged with the two wheel suspension brackets through vertical hinge shafts of the movable beam part, the sliding direction of the edge section of the movable beam part is the same as the extending direction of the arc 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 in the arc section of the movable beam part 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 biaxial arc-shaped telescopic variable-length axle according to claim 1, wherein 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 cavity in a sliding sealing manner, 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 together through a fixed beam part piston rod so as to connect the fixed beam part edge section to the fixed beam part arc-shaped section in a sliding manner along the extending direction of the fixed beam part arc-shaped section; move and be equipped with in the crossbeam portion arc section and move the smooth chamber of crossbeam portion arc that extends along the extending direction of moving crossbeam portion arc section, move and slide sealing connection has a movable crossbeam portion piston in the smooth chamber of crossbeam portion arc, movable crossbeam portion piston is in it has the pole chamber and moves crossbeam portion rodless chamber to keep apart movable crossbeam portion in the smooth intracavity of movable crossbeam portion arc, movable crossbeam portion edge section is through moving crossbeam portion piston rod with movable crossbeam portion piston links together and will move crossbeam portion edge section and can follow the extending direction that moves crossbeam portion arc section and connect with sliding on the movable crossbeam portion arc section.
3. The twin axle type arc-shaped telescopic vehicle-lengthening axle of claim 2, wherein the end surface of the fixed beam portion arc section away from the end of the fixed beam portion arc section at the middle section is provided with a fixed beam portion arc slide hole extending along the extending direction of the fixed beam portion arc section, and the fixed beam portion edge section is connected in the fixed beam portion arc slide hole in a sealing and sliding manner; the end face, far away from the middle section one end of the movable beam part, of the arc section of the movable beam part is provided with an arc sliding hole of the movable beam part, which extends along the extending direction of the arc section of the movable beam part, and the edge section of the movable beam part is connected in a sealing and sliding manner in the arc sliding hole of the movable beam part.
4. The biaxial arc telescopic variable-length axle according to 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 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 one fixed beam part arc section 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 in the other fixed beam part arc section 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-end motor and two movable beam part bidirectional hydraulic pumps which are connected to two power output shafts of the movable beam driving double-end motor in a one-to-one correspondence mode, a movable beam part in one movable beam part arc section is provided with a rod cavity and a movable beam part rodless cavity which are connected with two ports of the same fixed beam part bidirectional hydraulic pump respectively, and a movable beam part in the other movable beam part arc section is provided with a rod cavity and a movable beam part rodless cavity which are connected with two ports of the other movable beam part bidirectional hydraulic pump respectively.
5. The telescopic two-axle curved variable length 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 dual-axle curved telescopic vehicle axle of claim 1, wherein said fixed beam portion arc segment is curved toward said movable beam, and said movable beam portion arc segment is curved toward said fixed beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838828.5U CN212289388U (en) | 2020-05-19 | 2020-05-19 | Double-shaft arc-shaped telescopic variable-length axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838828.5U CN212289388U (en) | 2020-05-19 | 2020-05-19 | Double-shaft arc-shaped telescopic variable-length axle |
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| Publication Number | Publication Date |
|---|---|
| CN212289388U true CN212289388U (en) | 2021-01-05 |
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| CN202020838828.5U Active CN212289388U (en) | 2020-05-19 | 2020-05-19 | Double-shaft arc-shaped telescopic variable-length axle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572281A (en) * | 2020-05-19 | 2020-08-25 | 南平市建阳区汽车锻压件厂 | Double-shaft arc-shaped telescopic length-adjusting axle and method for adjusting wheel track |
-
2020
- 2020-05-19 CN CN202020838828.5U patent/CN212289388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572281A (en) * | 2020-05-19 | 2020-08-25 | 南平市建阳区汽车锻压件厂 | Double-shaft arc-shaped telescopic length-adjusting axle and method for adjusting wheel track |
| CN111572281B (en) * | 2020-05-19 | 2023-12-01 | 山东开一车桥有限公司 | Double-shaft arc-shaped telescopic length-adjusting axle and wheel tread adjusting method |
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Address after: 176 Renmin Road, Shuiji Town, Jianyang District, Nanping City, Fujian Province Patentee after: Fujian Tiechima Light Axle Co.,Ltd. Address before: 176 Renmin Road, Shuiji Town, Jianyang District, Nanping City, Fujian Province Patentee before: NANPING JIANYANG AUTO PRESS FORGING FACTORY |
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Denomination of utility model: A dual axle curved telescopic variable length axle Effective date of registration: 20230712 Granted publication date: 20210105 Pledgee: Industrial Bank Co.,Ltd. Jianyang sub branch Pledgor: Fujian Tiechima Light Axle Co.,Ltd. Registration number: Y2023980048186 |