CN212499734U - Be used for high stability pull-type car as a house chassis car axle cold-formed steel - Google Patents
Be used for high stability pull-type car as a house chassis car axle cold-formed steel Download PDFInfo
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- CN212499734U CN212499734U CN202021086410.XU CN202021086410U CN212499734U CN 212499734 U CN212499734 U CN 212499734U CN 202021086410 U CN202021086410 U CN 202021086410U CN 212499734 U CN212499734 U CN 212499734U
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- axle
- central siphon
- chassis
- hollow central
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 210000001331 nose Anatomy 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a be used for high stability pull-type car as a house chassis car axle cold-formed steel, including hollow central siphon, hollow central siphon is the arch setting, hollow central siphon's cross-section includes that three protruding circular arc section, two adjacent protruding circular arc sections along the circumference array between be provided with the concave circular arc section that is used for the transition to link up, hollow central siphon both ends all are provided with the spindle nose, be provided with the wheel hub subassembly of installation tire on the spindle nose, the symmetry is provided with two mount pads on the hollow central siphon, the mount pad includes first clamp splice and second clamp splice, first clamp splice and second clamp splice cooperation are pressed from both sides and are established on hollow central siphon surface, the mount pad is provided with the switching platform on the surface, the switching platform is used for being connected with the chassis frame. The utility model discloses when not increasing cross sectional dimension and wall thickness, structural strength and stability can be improved to can also guarantee tire life.
Description
Technical Field
The utility model relates to an axletree section bar preparation field, concretely relates to be used for high stability pull-type car as a house chassis axle clod wash shaped steel.
Background
With the improvement of living standard of people, the development of the motor home in China is gradually popular, and if a person has one SUV, MPV or station wagon, the pull-type motor home is the preferred choice of many people; compared with the self-propelled caravan with the same price, the pull-type caravan has higher cost performance, wider space in the caravan, and can avoid the problem of number shaking in large cities such as Beijing, has a plurality of advantages, and more people can buy the pull-type caravan.
The pull type motor home does not have power, and an extra vehicle is needed to be pulled to run, so that the axle of the pull type motor home is in unpowered output, the bearing capacity of the pull type motor home is influenced by the strength of the axle, the existing axle is generally in a circular tube structure or a square tube structure, the cross-sectional area or the wall thickness of the tube wall needs to be increased in order to ensure that the axle has higher strength, the weight of the axle is greatly increased in the mode, the height of a chassis is increased accordingly, and the use is not facilitated.
The existing axles are all of linear structures, when the weight of the car body of the caravan is loaded on the axles, the axles are in a downward bending state, the axles drive wheels to incline to form an inclination angle with the ground, and the wheels are damaged in the using process; when the wheel can adjust the inclination, the problem that the bending of axletree brought can be solved, but there are many styles's car as a house axletree to adjust, greatly influences the life of wheel tire.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a be used for high stability pull type car as a house chassis axle cold-formed steel, when not increasing cross sectional dimension and wall thickness, can improve structural strength and stability to can also guarantee tire life.
In order to solve the technical problem, the utility model provides a be used for high stability pull type car as a house chassis axle cold-formed steel, including hollow central siphon, hollow central siphon is the arch setting, hollow central siphon's cross-section includes that three protruding arc section, two adjacent protruding arc sections along the circumference array are provided with the concave circular arc section that is used for the transition to link up between, hollow central siphon both ends all are provided with the spindle nose, be provided with the wheel hub subassembly of installation tire on the spindle nose, the symmetry is provided with two mount pads on the hollow central siphon, the mount pad includes first clamp splice and second clamp splice, first clamp splice and second clamp splice cooperation are pressed from both sides and are established on hollow central siphon surface, the mount pad is provided with the switching platform on the surface, the switching platform is used for being connected with chassis support.
Further, the shaft head and the inner wall interference fit of hollow central siphon set up, pass through welded fastening between shaft head and the hollow central siphon terminal surface.
Furthermore, the hollow shaft tube is integrally prepared from a first connecting section, a reinforcing section and a second connecting section, the two shaft heads are respectively connected with the first connecting section and the second connecting section, and transition sections are arranged between the first connecting section and the reinforcing section and between the reinforcing section and the second connecting section.
Further, the cross section of the first connecting section and the second connecting section is circular or square.
Furthermore, the first clamping block and the second clamping block are arranged oppositely in the horizontal direction, and the switching platform is welded on the top surfaces of the first clamping block and the second clamping block.
Furthermore, the first clamping block and the second clamping block are arranged oppositely in the vertical direction and locked through the screw assembly, the switching platform is matched with the top surface of the mounting base to fix the suspension assembly, and the switching platform is fixedly connected with the screw assembly.
Further, the suspension assembly comprises a connecting arm, the middle of the connecting arm is fixed between the transfer platform and the mounting seat, one end of the connecting arm is provided with an air bag, the air bag is fixed to the bottom of the chassis support through a first connecting seat, the other end of the connecting arm is in shaft connection with a second connecting seat, the second connecting seat is fixed to the bottom of the chassis support, and a shock absorber is further arranged between the transfer platform and the second connecting seat.
Further, the arc of the arch of the hollow shaft tube is 170-180 degrees.
The utility model has the advantages that:
1. the hollow shaft tube makes full use of the triangular stabilizing principle, and compared with a traditional square or round axle through the concave-convex design of the arc surface, the cross-sectional size is reduced compared with that of the traditional axle, the stability and the structural strength are not reduced, the chassis height is favorably controlled, and a larger utilization space is created.
2. The hollow shaft tube is arched and can be deformed after bearing weight, so that the hollow shaft can be kept horizontal, the tire tread is nearly parallel to the ground in the landing process of the tire, the inner side and the outer side of the tire tread are uniformly abraded, the tire eating problem is avoided, and the service life of the tire is greatly prolonged.
Drawings
FIG. 1 is a schematic view of the present invention when not carrying weight;
FIG. 2 is a schematic view of the present invention after carrying weight;
fig. 3 is a schematic view of the hollow shaft tube 1 of the present invention;
FIG. 4 is a schematic view of the present invention with a transition platform;
FIG. 5 is a schematic view of a hollow shaft tube of the present invention having a transition end;
fig. 6 is a schematic view of the present invention with air suspension.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention relates to a cold-formed steel for a chassis axle of a trailer type caravan with high stability, which comprises a hollow axle tube 1, the hollow axle tube is arranged in an arch shape, the arch radian of the hollow axle tube is between 170 ° to 180 °, preferably 175 °, the radian of 175 ° can meet the requirement because the whole weight of the trailer type caravan is not too large, the ends of the hollow axle tube are provided with axle heads 4, the axle heads are provided with hub assemblies 5 for mounting tires 111, when the caravan body is not mounted, the hollow axle tube does not bear weight, as shown in fig. 1, the tires at the two ends are arched to form an inclination angle with the ground, and after the caravan body is loaded, the weight can be pressed on the hollow axle tube, the hollow axle tube is deformed from top to bottom, and thus the arched part of the hollow axle tube is flattened, as shown in fig. 2, the tire can keep parallel with ground, and the inboard and the outside wearing and tearing of tread are even, avoid eating the child problem to appear, improve the life of tire greatly.
The cross-section of foretell hollow shaft pipe includes that three protruding arc section 2 along the circumference array is provided with the concave circular arc section 3 that is used for the transition to link up between two adjacent protruding arc sections, and this structure make full use of triangle-shaped stable principle, through the unsmooth design of arc surface, compare with traditional square or circular axletree, the more traditional axletree of cross-sectional dimension reduces, and stability and structural strength do not reduce, are favorable to controlling the chassis height, create more utilization space.
Referring to fig. 4 and 5, two mounting seats 6 are symmetrically arranged on the hollow shaft tube, each mounting seat comprises a first clamping block 7 and a second clamping block 8, the first clamping block and the second clamping block are clamped on the surface of the hollow shaft tube in a matching manner, the cambered surface structure on the surface of the hollow shaft tube can prevent the mounting seat from rotating axially, the mounting seat has a rotation stopping function consistent with the square tube structure, a switching platform 9 is arranged on the surface of the mounting seat, the first clamping block and the second clamping block are arranged oppositely in the horizontal direction, the switching platform is welded on the top surfaces of the first clamping block and the second clamping block, after being fixed, the top surfaces of the first clamping block and the second clamping block form a plane which can be welded, so that the switching platform can be fixed, bearing, flange and other components can be fixed after the first clamping block and the second clamping block are matched, so that the assembly of a functional module is facilitated, the switching platform is used for being connected with a chassis support, and belongs to hard, is suitable for the caravan with simple function.
The utility model discloses a hollow central siphon, including hollow central siphon, axle head and hollow central siphon's inner wall interference fit, the axle head atress back has great area of contact and transmits power for hollow central siphon to can disperse the atress condition at hollow central siphon both ends, through welded fastening between axle head and the hollow central siphon terminal surface, improve the fixity, reduce because of the fracture risk of tired production, improve life greatly. The end of the stub shaft may be configured in accordance with the end of the quill tube.
Certainly also can design the tip of hollow shaft pipe, the hollow shaft pipe design is for by first linkage segment 10, the integrative structure that forms that prepares of reinforcement section 11 and second linkage segment, two spindle noses are connected with first linkage segment and second linkage segment respectively, all be provided with changeover portion 13 between first linkage segment and the reinforcement segment and between reinforcement segment and the second linkage segment, the cross-section of first linkage segment and second linkage segment is circular or square, the processing installation of the spindle nose of being convenient for, first linkage segment and second linkage segment can form through forging.
Referring to fig. 6, in an embodiment, the first clamping block and the second clamping block are arranged in a vertical direction relatively and locked by the screw assembly, the switching platform is matched with the top surface of the mounting base to fix the suspension assembly, the switching platform is fixedly connected with the screw assembly, and the screw of the screw assembly can extend out to facilitate the pressing and fixing of the switching platform, so that the operation is convenient and fast, and the suspension assembly can play a role in buffering when the caravan moves, and is more comfortable.
Specifically, the suspension assembly may be an air suspension structure, the suspension assembly includes a connecting arm 15, the middle of the connecting arm is fixed between the transfer platform and the mounting seat, one end of the connecting arm is provided with an air bag 16, the air bag is fixed at the bottom of the chassis support through a first connecting seat 17, the other end of the connecting arm is connected with a second connecting seat 18 through a shaft, the second connecting seat is fixed at the bottom of the chassis support 112, and a shock absorber 19 is further arranged between the transfer platform and the second connecting seat. Linking arm one end is the coupling, plays the effect of fixed connection and vibration direction, and the direction in-process, the linking arm other end can compress tightly the gasbag, and the buffering effect of gasbag is better, and buffering comfort level is better, improves the comfort level when removing greatly. And the vibration frequency of the air bag can be reduced by arranging the shock absorber, and the service life of the air bag is greatly prolonged.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a be used for high stability pull-type car as a house chassis car axle cold-formed steel, a serial communication port, including hollow central siphon, hollow central siphon is the arch setting, hollow central siphon's cross-section includes that three protruding circular arc section, two adjacent protruding circular arc sections along the circumference array between be provided with the concave circular arc section that is used for the transition to link up, hollow central siphon both ends all are provided with the spindle nose, be provided with the wheel hub subassembly of installation tire on the spindle nose, the symmetry is provided with two mount pads on the hollow central siphon, the mount pad includes first clamp splice and second clamp splice, first clamp splice and second clamp splice cooperation are pressed from both sides and are established on hollow central siphon surface, the mount pad is provided with the switching platform on the surface, the switching platform is used for being connected with chassis support.
2. The cold-formed steel for the chassis axle of the trailer type caravan with high stability as claimed in claim 1, wherein the axle head is in interference fit with the inner wall of the hollow axle tube, and the axle head is fixed with the end surface of the hollow axle tube by welding.
3. The cold-formed steel for high-stability trailer chassis axle according to claim 2, wherein the hollow axle tube is integrally prepared from a first connecting section, a reinforcing section and a second connecting section, two axle heads are respectively connected with the first connecting section and the second connecting section, and transition sections are arranged between the first connecting section and the reinforcing section and between the reinforcing section and the second connecting section.
4. The cold-formed steel bar for the chassis axle of the trailer with high stability as claimed in claim 3, wherein the cross section of the first connecting section and the second connecting section is circular or square.
5. The cold-formed steel bar for the chassis axle of the trailer with high stability as claimed in claim 1, wherein the first clamping block and the second clamping block are oppositely arranged in the horizontal direction, and the adapting platform is welded on the top surfaces of the first clamping block and the second clamping block.
6. The cold-formed steel bar for the chassis axle of the trailer with high stability as claimed in claim 1, wherein the first clamping block and the second clamping block are oppositely arranged in the vertical direction and locked by a screw assembly, the adapting platform is matched with the top surface of the mounting seat to fix the suspension assembly, and the adapting platform is fixedly connected with the screw assembly.
7. The section steel for cold forming of chassis axle of trailer type caravan with high stability as claimed in claim 6, wherein said suspension assembly comprises a connecting arm, the middle part of said connecting arm is fixed between the adapting platform and the mounting seat, one end of said connecting arm is provided with an air bag, said air bag is fixed at the bottom of the chassis bracket through a first connecting seat, the other end of said connecting arm is connected with a second connecting seat, said second connecting seat is fixed at the bottom of the chassis bracket, and a shock absorber is further arranged between the adapting platform and the second connecting seat.
8. The cold-formed steel for high-stability trailer chassis axle according to claim 1, wherein the arc of the arch of said hollow axle tube is between 170 ° and 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086410.XU CN212499734U (en) | 2020-06-13 | 2020-06-13 | Be used for high stability pull-type car as a house chassis car axle cold-formed steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086410.XU CN212499734U (en) | 2020-06-13 | 2020-06-13 | Be used for high stability pull-type car as a house chassis car axle cold-formed steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212499734U true CN212499734U (en) | 2021-02-09 |
Family
ID=74395127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021086410.XU Expired - Fee Related CN212499734U (en) | 2020-06-13 | 2020-06-13 | Be used for high stability pull-type car as a house chassis car axle cold-formed steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212499734U (en) |
-
2020
- 2020-06-13 CN CN202021086410.XU patent/CN212499734U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |