CN111846017B - A wheel hydraulic lifting mechanism - Google Patents
A wheel hydraulic lifting mechanism Download PDFInfo
- Publication number
- CN111846017B CN111846017B CN202010806288.7A CN202010806288A CN111846017B CN 111846017 B CN111846017 B CN 111846017B CN 202010806288 A CN202010806288 A CN 202010806288A CN 111846017 B CN111846017 B CN 111846017B
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- Prior art keywords
- swing arm
- wheel
- chassis
- cantilever
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
- B62D61/12—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明公开了一种车轮液压升降机构，包括底盘及多组轮毂组，其特征在于，所述轮毂组与底盘之间均设置轮摆臂机构，所述轮摆臂机构包括摆臂支架及悬臂，所述其中一个摆臂支架与底盘之间驱动油缸，所述驱动油缸的底座活动连接在底盘上，所述驱动油缸的活塞与摆臂支架相连，所述摆臂支架与悬臂的固定端固定在底盘上，所述悬臂的自由端与轮毂组相连，所述悬臂一端与摆臂支架之间设减震机构，所述悬臂另一端与摆臂支架之间设置限位机构，旨在解决底盘不能完全落实在地面上的问题。
The present invention discloses a wheel hydraulic lifting mechanism, comprising a chassis and a plurality of wheel hub groups, characterized in that a wheel swing arm mechanism is arranged between the wheel hub group and the chassis, the wheel swing arm mechanism comprises a swing arm bracket and a cantilever, a driving cylinder is arranged between one of the swing arm brackets and the chassis, a base of the driving cylinder is movably connected to the chassis, a piston of the driving cylinder is connected to the swing arm bracket, the swing arm bracket and the fixed end of the cantilever are fixed to the chassis, a free end of the cantilever is connected to the wheel hub group, a shock absorbing mechanism is arranged between one end of the cantilever and the swing arm bracket, and a limiting mechanism is arranged between the other end of the cantilever and the swing arm bracket, aiming to solve the problem that the chassis cannot be completely placed on the ground.
Description
Technical Field
The invention belongs to the technical field of a motor home suspension structure, and particularly relates to a hydraulic wheel lifting mechanism.
Background
The motor home chassis should have good stability, and safety and comfort of the motor home are guaranteed. The prior art adopts the structure that installs a plurality of supporting legs that can stretch out and draw back on the bottom structure of car as a house, when needs fixed car as a house, makes the supporting legs stretch out, supports and leans on subaerial, has improved the stability of car as a house to a certain extent. However, since the support legs are generally of an elongated structure, the caravan is still at risk of toppling over under severe conditions such as high winds. In order to further improve the stability of the motor home, lowering the center of gravity of the motor home is a key to improving the stability of the motor home. However, the prior art can only reduce the height of the chassis of the caravan in a limited way, and the chassis cannot be completely realized on the ground.
Thus, the prior art is to be further investigated.
Disclosure of Invention
The invention aims to provide a hydraulic wheel lifting mechanism, which aims to solve the problem that a chassis cannot be completely put on the ground.
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a wheel hydraulic lifting mechanism, includes chassis and multiunit wheel hub group, all set up wheel swing arm mechanism between wheel hub group and the chassis, wheel swing arm mechanism includes swing arm support and cantilever, drive hydro-cylinder between one of them swing arm support and the chassis, drive hydro-cylinder's base swing joint is on the chassis, drive hydro-cylinder's piston links to each other with the swing arm support, the fixed end of swing arm support and cantilever is fixed on the chassis, the free end of cantilever links to each other with wheel hub group, establish damper between cantilever one end and the swing arm support, set up stop gear between the cantilever other end and the swing arm support.
And a synchronous connecting rod is arranged between the wheel swing arm mechanisms, and the free end of the swing arm support is connected with the synchronous connecting rod.
The chassis comprises chassis girders and wheel shafts arranged between the chassis girders, and the fixed ends of the swing arm brackets and the cantilever are fixed at two ends of the wheel shafts.
The fixed end of the swing arm support is provided with a mounting hole corresponding to the wheel shaft, and the limiting mechanism comprises a rubber spring ball and a spring ball mounting vertical plate.
The rubber spring ball is embedded with a metal bolt piece, and is fixed on the spring ball mounting vertical plate through the metal bolt piece.
The damping mechanism comprises rubber damping blocks and damping block mounting seats, wherein the rubber damping blocks comprise a plurality of groups of trapezoidal rubber blocks, and the rubber damping blocks are integrally formed.
The shock-absorbing block mounting seat is fixed on the cantilever, one end of the rubber shock-absorbing block is fixed on the swing arm support, and the other end of the rubber shock-absorbing block is fixed on the shock-absorbing block mounting seat.
The wheel swing arm mechanism and the front wheel hub group correspond to the rear wheel hub group and comprise a front swing arm mechanism and a rear swing arm mechanism.
The driving oil cylinder is a hydraulic oil cylinder, and the tail end of the hydraulic oil cylinder is fixed on the chassis girder.
The front hub group comprises front hubs which are arranged in a pair-by-pair mode, the rear hub group comprises rear hubs which are arranged in a pair-by-pair mode, and tires are arranged on the front hubs and the rear hubs.
The beneficial effects of the invention are as follows:
1. The wheel swing arm mechanism is arranged between the wheel hub group and the chassis, a synchronous connecting rod is arranged between the wheel swing arm mechanisms, the wheel swing arm mechanism comprises a swing arm support and a cantilever, a driving oil cylinder is arranged between the swing arm support and the chassis, a tire is arranged on the wheel hub group, and the swing arm support and the cantilever are driven by the driving oil cylinder to realize lifting of the chassis.
2. The invention sets a synchronous connecting rod between the wheel swing arms, drives the tires to move up and down through the synchronous connecting rod and the wheel swing arm mechanism, is suitable for the chassis of a single-group hub group and a multi-group hub, drives the rear wheel swing arm mechanism to move through the synchronous connecting rod and synchronizes the front wheel swing arm mechanism, lowers the tires, forces the chassis to leave the ground, achieves a driving state, retracts the oil cylinder, drives the rear wheel swing arm mechanism to ascend and synchronizes the front wheel swing arm mechanism, and stably lowers the chassis to the ground.
3. The invention can realize normal running of the compartment body and ensure that the compartment body can be landed integrally and stably after the compartment body reaches a destination, thereby reducing the height of the compartment body from the ground and greatly improving the stability, safety and convenience of carrying cargoes.
4. The cantilever is provided with the rubber spring ball, so that a limiting effect is achieved when the tire returns; that is to say avoiding a limiting effect of the reverse running of the tyre under the action of the rubber damper.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the chassis of the present invention lifted off the ground;
FIG. 3 is a schematic view showing a chassis of the present invention falling to the ground;
FIG. 4 is a schematic diagram of an exploded construction of the present invention;
FIG. 5 is a schematic view of a partial structure of the present invention;
Fig. 6 is a schematic structural view of a second embodiment;
Fig. 7 is a schematic structural view of the third embodiment.
In the figure:
100-wheel swing arm mechanism, 200-damper mechanism, 300-rear hub group, 400-front hub group, 1-synchronous connecting rod, 2-swing arm support, 201-mounting hole, 3-cantilever, 4-driving cylinder, 5-chassis girder, 6-wheel axle, 7-rubber spring ball, 8-rubber damper block, 801-trapezoidal rubber block, 9-damper block mount pad, 10-front hub, 11-rear hub, 12-tire, 13-spring ball mount riser, 14-metal bolt piece.
Detailed Description
In order to clearly illustrate the technical characteristics of the present solution, the present solution is described below by means of specific embodiments and with reference to the accompanying drawings.
Example 1
As shown in fig. 1-5, a dual-wheel hydraulic lifting mechanism comprises a chassis and a hub group, wherein the hub groups are arranged in pairs, a wheel swing arm mechanism 100 is arranged between the hub group and the chassis, each hub group comprises a front hub group 400 and a rear hub group 300, and the wheel swing arm mechanism 100 and the front hub group 400 and the rear hub group 300 correspondingly comprise a front swing arm mechanism and a rear swing arm mechanism.
The front hub group comprises front hubs 10 which are arranged in a pair-by-pair mode, the rear hub group comprises rear hubs 11 which are arranged in a pair-by-pair mode, and tires 12 are arranged on the front hubs 10 and the rear hubs 11.
The wheel swing arm mechanism 100 is provided with a synchronous connecting rod 1, the wheel swing arm mechanism 100 comprises a swing arm support 2 and a cantilever 3, a driving oil cylinder 4 is arranged between the swing arm support 2 and a chassis, the fixed ends of the swing arm support 2 and the cantilever 3 are fixed on the chassis, the free end of the swing arm support 2 is connected with the synchronous connecting rod 1, and the free end of the cantilever 3 is connected with a hub group.
Specifically, the driving cylinder 4 drives the swing arm bracket 2, the swing arm bracket 2 and the cantilever 3 are wound along the fixed end, the free end of the cantilever 3 of the rear swing arm mechanism is lifted or lowered together with the rear hub 11, and the front hub 10 is moved in synchronization.
The chassis comprises chassis girders 5 and wheel shafts 6 arranged between the chassis girders 5, and the fixed ends of the swing arm brackets 2 and the cantilever 3 are fixed at two ends of the wheel shafts 6.
The fixed end of the swing arm support 2 is provided with a mounting hole 201 corresponding to the wheel axle 6, and a limiting mechanism is arranged between the other end of the cantilever 3 and the swing arm support 2.
The limiting mechanism comprises a rubber spring ball 7 and a spring ball mounting vertical plate 13, and one end of the mounting vertical plate 13 is fixed on the cantilever 3.
The rubber spring ball 7 is embedded with a metal bolt member 14, and the rubber spring ball 7 is fixed on the ball mounting vertical plate 13 through the metal bolt member 14.
Specifically, the rubber spring ball 7 is provided, and stability is increased when the cantilever 3 acts.
The damping mechanism 200 comprises a rubber damping block 8 and a damping block mounting seat 9, wherein the rubber damping block comprises a plurality of groups of trapezoidal rubber blocks 801, and the rubber damping block 8 is integrally formed.
The damping block mounting seat 9 is fixed on the cantilever 3, one end of the rubber damping block 8 is fixed on the swing arm bracket 2, and the other end is fixed on the damping block mounting seat 9.
The shock absorbing mechanism 200 is provided to play a role of buffering when ascending or descending.
The driving oil cylinder 4 is a hydraulic oil cylinder, the tail end of the hydraulic oil cylinder is fixed on the chassis girder 5, and a piston of the hydraulic oil cylinder is connected with the swing arm bracket 2 of the front swing arm mechanism.
Specifically, a piston rod of the driving oil cylinder 4 extends out to drive the rear swing arm mechanism to move, and the front swing arm mechanism is synchronized to move so as to drop the tire 12 and force the chassis to leave the ground to reach a running state; the piston rod of the driving oil cylinder 4 is retracted to drive the rear swing arm mechanism to move, and the front swing arm mechanism is synchronized to move so as to stably drop the chassis to the ground.
Example two
As shown in fig. 6, the structure is identical to that of the embodiment, except that the hub sets are one set.
Example III
As shown in fig. 7, the structure is identical to that of the embodiment, except that the hub group is 3 groups.
The foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that numerous modifications and variations can be made without departing from the principles of the invention, and such modifications and variations are considered to be within the scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806288.7A CN111846017B (en) | 2020-08-12 | 2020-08-12 | A wheel hydraulic lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806288.7A CN111846017B (en) | 2020-08-12 | 2020-08-12 | A wheel hydraulic lifting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111846017A CN111846017A (en) | 2020-10-30 |
| CN111846017B true CN111846017B (en) | 2024-11-19 |
Family
ID=72972809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010806288.7A Active CN111846017B (en) | 2020-08-12 | 2020-08-12 | A wheel hydraulic lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111846017B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604318B (en) * | 2022-01-20 | 2025-07-11 | 长沙行深智能科技有限公司 | An unmanned vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212165A (en) * | 1987-02-27 | 1988-09-05 | 財団法人鉄道総合技術研究所 | Auxiliary wheel supporter for magnetic levitation car |
| CN212447850U (en) * | 2020-08-12 | 2021-02-02 | 青岛瑞峰兴业集团有限公司 | Wheel hydraulic lifting mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2516497B2 (en) * | 1990-12-04 | 1996-07-24 | 住友精密工業株式会社 | Magnetic levitation vehicle leg device |
| JPH06219270A (en) * | 1993-01-28 | 1994-08-09 | Nabco Ltd | Leg device provided with wheel lifting function |
| DE102011012089B4 (en) * | 2011-02-23 | 2013-03-21 | Truma Gerätetechnik GmbH & Co. KG | Maneuvering system for a multi-axle trailer and a corresponding procedure |
| CN202879590U (en) * | 2012-07-20 | 2013-04-17 | 徐州华邦专用汽车有限公司 | Multi-axis semi-trailer synchronous steering system |
| CN203477151U (en) * | 2013-09-10 | 2014-03-12 | 江苏宗申三轮摩托车制造有限公司 | Four-bar linkage swing arm damper |
| CN106013896B (en) * | 2016-08-01 | 2018-01-19 | 哈尔滨理工大学 | A kind of multi-storied garage carrier loader lift walking mechanism |
-
2020
- 2020-08-12 CN CN202010806288.7A patent/CN111846017B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212165A (en) * | 1987-02-27 | 1988-09-05 | 財団法人鉄道総合技術研究所 | Auxiliary wheel supporter for magnetic levitation car |
| CN212447850U (en) * | 2020-08-12 | 2021-02-02 | 青岛瑞峰兴业集团有限公司 | Wheel hydraulic lifting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111846017A (en) | 2020-10-30 |
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