CN204196644U - A kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle - Google Patents
A kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle Download PDFInfo
- Publication number
- CN204196644U CN204196644U CN201420599895.0U CN201420599895U CN204196644U CN 204196644 U CN204196644 U CN 204196644U CN 201420599895 U CN201420599895 U CN 201420599895U CN 204196644 U CN204196644 U CN 204196644U
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- China
- Prior art keywords
- oil cylinder
- power arm
- vehicle frame
- arm
- pneumatic suspension
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Abstract
The utility model discloses a kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle, trailing arm type independence hydro pneumatic suspension comprises power arm and hanging oil cylinder, the rear end of described power arm is hinged on vehicle frame, described hanging oil cylinder is arranged at the hinge-point front of described vehicle frame and described power arm, and described hanging oil cylinder is positioned at the front of vehicle tyre.
Description
Technical field
The utility model relates to transportation device field, particularly relates to a kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle.
Background technology
Mine anti-explosion railless free-wheeled vehicle is applied to the underworkings of large coal mine, in order to conveying people and material.Underground coal mine service conditions is severe, tunnel condition bargh in addition not of uniform size to the restriction of vehicle operating cost, therefore to the design of vehicle, especially the design of vehicle suspension is had higher requirement.But what current domestic various mine anti-explosion railless free-wheeled vehicle adopted is mostly be rigidly connected (namely not having suspension);
In prior art, small part adopts steel spring (or hanging oil cylinder) side connecting vehicle frame, side connects the form of rigidity driving axle, and the elastomeric position of all front suspensions is all between vehicle frame hinge and tire, the force request of this structure to suspension is higher, cause needing suspension weight comparatively large, this shows, suspension arrangement mode of the prior art is unfavorable for the sole mass reducing suspension.
Utility model content
The utility model embodiment is by providing a kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle, and the suspension arrangement mode of the prior art in prior art that alleviates is unfavorable for the technical matters of the sole mass reducing suspension.
First aspect, the utility model embodiment provides a kind of trailing arm type independence hydro pneumatic suspension, be applied to trackless rubber-tyred vehicle, comprise power arm and hanging oil cylinder, described power arm (rear end) is hinged on vehicle frame, described hanging oil cylinder is arranged at the hinge-point front of described vehicle frame and described power arm, and described hanging oil cylinder is positioned at the front of vehicle tyre.
Preferably, described power arm comprises: integrated A font arm, oil cylinder axis pin base, vehicle frame axis pin base, annular butt flange;
The top of described A font arm arranges described oil cylinder axis pin base, and is provided with oil cylinder bearing pin on described oil cylinder axis pin base, connects one end of described hanging oil cylinder and the front end of described power arm;
Two bottoms of described A font arm are respectively arranged with a described vehicle frame axis pin base, and on each described vehicle frame axis pin base, are provided with plain bearing and vehicle frame bearing pin, the rear end of hinged described power arm and described vehicle frame.
Described annular butt flange connects described power arm and the wheel side speed reducer being positioned at described power arm side, wherein, described wheel side speed reducer is fixed on inside described vehicle tyre, and described wheel side speed reducer is connected by connecting element with the driving machine being positioned at described power arm opposite side.
Preferably, the other end of described hanging oil cylinder is connected on described vehicle frame.
Preferably, described power arm is also provided with the limiting stopper for described hanging oil cylinder.
Preferably, described hanging oil cylinder is the air-fuel mixture formula oil cylinder that inside has damping hole.
Second aspect, the utility model provides a kind of trackless rubber-tyred vehicle, comprises any one the trailing arm type independence hydro pneumatic suspension described in first aspect.
Technical scheme in the utility model embodiment at least has following technique effect or advantage:
A kind of novel elastic element (hanging oil cylinder) arrangement form is proposed in trailing arm type independence hydro pneumatic suspension in the utility model, hanging oil cylinder is arranged in the hinge-point of power arm and vehicle frame and the front of tire, proved by force analysis and test, suspension fuel tank arrangement in the utility model can make the quality of suspension lighter, and the stress form of power arm is better simultaneously, reliability is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the front elevation that the trailing arm type independence hydro pneumatic suspension in the utility model embodiment is connected with miscellaneous part;
Fig. 2 is the section-drawing of Fig. 1 along A-A direction;
Fig. 3 is the front elevation of the power arm in the utility model embodiment;
Fig. 4 is the birds-eye view of the power arm in the utility model embodiment.
Detailed description of the invention
Be unfavorable for the technical matters of the sole mass reducing suspension to alleviate suspension arrangement mode in prior art, the utility model embodiment provides a kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In one embodiment, shown in figure 1 and Fig. 2, Fig. 1 is the front elevation that the trailing arm type independence hydro pneumatic suspension in the utility model embodiment is connected with miscellaneous part, and Fig. 2 is the section-drawing of Fig. 1 along A-A direction.Structure shown in Fig. 1 and Fig. 2 is symmetrical structure, only to parts indicate, the part reference of another side indicates.The trailing arm type independence hydro pneumatic suspension that the utility model provides comprises power arm 1 and hanging oil cylinder 2, the rear end of power arm 1 is hinged on vehicle frame (not shown), hanging oil cylinder 2 is arranged at the hinge-point front of vehicle frame and power arm 1, and hanging oil cylinder 2 is positioned at the front of vehicle tyre 3.Specifically, the front-end and back-end of power arm 1 all position relative to the direction of vehicle operating, and namely vehicle operating direction is the front end of power arm 1, and the reversing sense in vehicle operating direction is the rear end of power arm 1.
The application of hanging oil cylinder 2 makes that the structure of trailing arm type independence hydro pneumatic suspension is simpler, quality is lighter, and prove that the setting position of hanging oil cylinder 2 can make the stress form of power arm better, reduce the force request to power arm 1, in addition the nonlinear stiffness characteristics of the hydro-pneumatic spring of hanging oil cylinder 2 can obtain lower eigentone, makes the stability of car load, ride comfort better.
Concrete, shown in figure 3 and Fig. 4, Fig. 3 is the front elevation of the power arm in the utility model embodiment, Fig. 4 is the birds-eye view of the power arm in the utility model embodiment, " A " font arm that the main body of power arm 1 is formed in one, the front end of power arm 1 is the top of " A " font arm, be provided with oil cylinder axis pin base 4, as shown in Figure 4, the rear end of power arm 1 is the two ends, bottom of " A " font arm, one end is provided with vehicle frame axis pin base 5, and the other end is provided with vehicle frame axis pin base 6, is provided with annular butt flange 7 in power arm 1.
Continue with reference to shown in figure 1, wheel side speed reducer 8 is arranged on the inner side of vehicle tyre 3, wheel side speed reducer 8 and vehicle tyre 3 in the side of power arm 1, drive motor 9 is at the opposite side of power arm 1, by connecting element, wheel side speed reducer 8, vehicle tyre 3 and drive motor 9 are linked together, connecting element used can be bolt, rivet etc., further, power arm 1 is connected with wheel side speed reducer 8 by annular butt flange 7, then drive motor 9 produces propulsive effort and just passes to vehicle tyre 3 by wheel side speed reducer 8.
As shown in Figure 1, power arm 1 is connected with vehicle frame with the vehicle frame bearing pin 10 installed on vehicle frame axis pin base 5 by vehicle frame axis pin base 5, and be connected with vehicle frame with the vehicle frame bearing pin 11 installed on vehicle frame axis pin base 6 by vehicle frame axis pin base 6, realize object propulsive effort being passed to vehicle frame and car load walking, power arm 1 is connected with one end of hanging oil cylinder 2 with the oil cylinder bearing pin 12 be arranged on oil cylinder axis pin base 4 by the oil cylinder axis pin base 4 of front end simultaneously, the other end of hanging oil cylinder 2 is connected with vehicle frame again, in specific implementation process, hanging oil cylinder 2 can be air-fuel mixture formula oil cylinder, inside has damping hole, hanging oil cylinder 2 plays the function of elastic element and damping element in total simultaneously, reach vehicle bumper, the object of damping.
Direct and the wheel side speed reducer 8 by aforementioned one power arm 1, vehicle frame and hanging oil cylinder 2 type of attachment, can make the load-carrying capacity of suspension stronger, more compact structure.
Further, in specific implementation process, in order to reduce the impact load suffered by hanging oil cylinder 2, power arm 1 is provided with limiting stopper 13, hit cylinder when preventing hanging oil cylinder 2 to be hit, further increase reliability and the service life of trailing arm type independence hydro pneumatic suspension, certainly, in specific implementation process, other nonlinear elasticity parts also can be selected to substitute.
Utilize power arm 1 transmission of drive force, bear the longitudinal loading that brake produces and the transverse load turning to generation, load-carrying capacity is stronger; Utilize hanging oil cylinder 2 to bear the impact on vertical load and ground, stressed more scientific, mechanical property is better, and coordinate special spacing design to make whole trailing arm type independence hydro pneumatic suspension is more reliable, the life-span is longer simultaneously.
Conceive based on same utility model, the utility model provides a kind of trackless rubber-tyred vehicle, comprise the trailing arm type independence hydro pneumatic suspension described by any one detailed description of the invention above-mentioned, other structural reference prior aries of trackless rubber-tyred vehicle provided by the utility model, repeat no more herein.
A kind of novel elastic element (hanging oil cylinder) arrangement form is proposed in trailing arm type independence hydro pneumatic suspension in the utility model and trackless rubber-tyred vehicle, hanging oil cylinder is arranged in the hinge-point of power arm and vehicle frame and the front of tire, proved by force analysis and test, suspension fuel tank arrangement in the utility model can make the quality of suspension lighter, and the stress form of power arm is better simultaneously, reliability is higher.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. a trailing arm type independence hydro pneumatic suspension, be applied to trackless rubber-tyred vehicle, it is characterized in that, comprise power arm and hanging oil cylinder, the rear end of described power arm is hinged on vehicle frame, described hanging oil cylinder is arranged at the hinge-point front of described vehicle frame and described power arm, and described hanging oil cylinder is positioned at the front of vehicle tyre.
2. trailing arm type independence hydro pneumatic suspension as claimed in claim 1, it is characterized in that, described power arm comprises: integrated A font arm, oil cylinder axis pin base, vehicle frame axis pin base, annular butt flange;
The top of described A font arm arranges described oil cylinder axis pin base, and is provided with oil cylinder bearing pin on described oil cylinder axis pin base, connects one end of described hanging oil cylinder and the front end of described power arm;
Two bottoms of described A font arm are respectively arranged with a described vehicle frame axis pin base, and on each described vehicle frame axis pin base, are provided with plain bearing and vehicle frame bearing pin, the rear end of hinged described power arm and described vehicle frame;
Described annular butt flange connects described power arm and the wheel side speed reducer being positioned at described power arm side, wherein, described wheel side speed reducer is fixed on inside described vehicle tyre, and described wheel side speed reducer is connected by connecting element with the driving machine being positioned at described power arm opposite side.
3. trailing arm type independence hydro pneumatic suspension as claimed in claim 2, it is characterized in that, the other end of described hanging oil cylinder is connected on described vehicle frame.
4. trailing arm type independence hydro pneumatic suspension as claimed in claim 3, is characterized in that, described power arm is also provided with the limiting stopper for described hanging oil cylinder.
5. trailing arm type independence hydro pneumatic suspension as claimed in claim 4, it is characterized in that, described hanging oil cylinder is the air-fuel mixture formula oil cylinder that inside has damping hole.
6. a trackless rubber-tyred vehicle, is characterized in that, comprises the trailing arm type independence hydro pneumatic suspension as described in claim arbitrary in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599895.0U CN204196644U (en) | 2014-10-16 | 2014-10-16 | A kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599895.0U CN204196644U (en) | 2014-10-16 | 2014-10-16 | A kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204196644U true CN204196644U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420599895.0U Expired - Fee Related CN204196644U (en) | 2014-10-16 | 2014-10-16 | A kind of trailing arm type independence hydro pneumatic suspension and trackless rubber-tyred vehicle |
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| CN (1) | CN204196644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215687A (en) * | 2018-02-11 | 2018-06-29 | 江苏金致新能源车业有限公司 | A kind of vertical arms disturbs rod-type independent suspension structure |
-
2014
- 2014-10-16 CN CN201420599895.0U patent/CN204196644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215687A (en) * | 2018-02-11 | 2018-06-29 | 江苏金致新能源车业有限公司 | A kind of vertical arms disturbs rod-type independent suspension structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20211016 |