CN203172370U - Chassis articulated system of articulated vehicle - Google Patents
Chassis articulated system of articulated vehicle Download PDFInfo
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- CN203172370U CN203172370U CN 201320228545 CN201320228545U CN203172370U CN 203172370 U CN203172370 U CN 203172370U CN 201320228545 CN201320228545 CN 201320228545 CN 201320228545 U CN201320228545 U CN 201320228545U CN 203172370 U CN203172370 U CN 203172370U
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Abstract
The utility model discloses a chassis articulated system of an articulated vehicle, and belongs to the technical field of vehicle chassis articulation. The system comprises a front frame, a rear frame, rotating disk bearings, and a hydraulic buffer device providing damping for relative rotation between the front frame and the rear frame, wherein the front frame and the rear frame are fixedly connected with the rotating disk bearings respectively; center holes are formed on the inner sides of the front frame and the rear frame respectively; the hydraulic buffer device is arranged in the center hole of the front frame, and comprises a stator, a rotor rotating relative to the stator, and a hydraulic cavity formed between the stator and the rotor; the stator is matched and fixedly connected with the front frame; and the rotor is matched and connected with the rear frame in a movable matching manner by a connecting key. The system has the advantages of simple and compact structure, simplicity in processing, lighter weight, long service life, high torsion resistance, high reliability, high practicability and the like, and can avoid oil leakage.
Description
Technical field
The utility model relates to vehicle chassis hinge technologies field, especially relates to a kind of articulator chassis articulated system.
Background technology
Along with developing rapidly of China auto manufacturing, various vehicle manufacture are also being advanced by leaps and bounds, and characteristics such as articulated bus is big with its passenger capacity, factor of utilization height big and medium-sized cities at home obtain promoting gradually.Articulated bus generally by the compartment, front and back and before and after connecting the chassis articulated system in compartment etc. form, the chassis articulated system comprises side arm, after-frame, turntable bearing and hydraulic damping device etc., side arm is generally captiveed joint with the articulator front compartment by front cross rail, and after-frame is captiveed joint with the articulator trunk by after cross member.
Wherein, the hydraulic damping device in the articulated system of chassis is the key factor of restriction articulator performance.The hydraulic damping device of articulated bus generally by about two hydraulic actuating cylinders, hydraulic control pump and electric control system form, hydraulic actuating cylinder is by the size of its output resistance of hydraulic control pump control change, electric control system is according to the turn inside diameter angle, signal to hydraulic control pump, make the different force value of its conversion.Though this hydraulic cushion control system can form different dampings according to the variation of vehicle angle, but the structure of this system is comparatively complicated, it is big to take up room, and hydraulic unit and pipe joint place have oil leakage phenomenon once in a while, not only influence the performance of vehicle, also can cause vehicle to move when serious.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, a kind of articulator chassis articulated system is provided, it adopts the rotary damper that is arranged in articulated system side arm and the after-frame centre hole to provide damping for relatively rotating between side arm and after-frame, to simplify the structure of articulator chassis articulated system, the service life of improving articulated system.
For achieving the above object, the utility model proposes following technical scheme: a kind of articulator chassis articulated system, it comprises side arm, after-frame, turntable bearing, and the hydraulic damping device that damping is provided for relatively rotating between described side arm and after-frame, described side arm is captiveed joint with described turntable bearing respectively with after-frame, the inboard of described side arm and after-frame is formed with centre hole respectively, described hydraulic damping device is located in the centre hole of described side arm, it comprises stator and the rotor that rotates with respect to stator, and be formed at hydraulic cavities between stator and rotor, described stator and described side arm are fixedly connected, and described rotor matches to form by a connecting key and described after-frame and is connected moving joining.
Preferably, described hydraulic damping device is a rotary damper, and the concentric setting of described stator and rotor and described rotor are positioned at the inboard of stator.
Described rotary damper also comprises for the upper end cover of encapsulated stator and rotor and bottom end cover.
On the described side arm inwall circumferencial direction boss that a plurality of and described stator matches and is connected is set evenly, described boss comprises first boss and second boss that distributes alternately, the upper surface of described first boss and described side arm upper surface are on same plane, and the upper surface of described second boss is lower than described side arm upper surface.
Evenly offer a plurality of first grooves on the described stator outer wall circumferencial direction, be connected for matching with the boss of described side arm.
Evenly offer a plurality of the 3rd grooves on the described upper end cover outer wall circumferencial direction, the corresponding setting of first groove on described the 3rd groove and the described stator.
Described connecting key comprises top and bottom, on the outer wall circumferencial direction of described connecting key upper end a plurality of arc teeth is set evenly, and a plurality of second grooves evenly are set on the described rotor inner wall circumferencial direction, and described arc tooth matches with described second groove and is connected.
Described arc tooth, except the upper and lower end face of tooth was, its profile of tooth was the spherical structure of evagination.The rotary damper rotor can float on horizontal, vertical, vertical three directions when work, the interference and the jam that produce in the time of can eliminating articulated system work.
On the outer wall circumferencial direction of described connecting key lower end a plurality of the 4th grooves are set evenly, on the described after-frame inwall circumferencial direction a plurality of the 3rd boss are set evenly, described the 4th groove matches with described the 3rd boss and is connected.
On the described stator inner wall periphery a plurality of septaliums are set evenly, are installed with the dividing plate of separating described hydraulic cavities in described each septalium.
On the circumferencial direction of described stator upper end first oil duct and second oil duct are set respectively, the stator outer wall is positioned at the dividing plate both sides the first symmetrical hydraulic fluid port and second hydraulic fluid port is set respectively, and described first hydraulic fluid port and second hydraulic fluid port are connected with first oil duct and second oil duct respectively.
On the described rotor outer wall periphery plurality of vanes groove is set evenly, is installed with the blade of separating described hydraulic cavities in the described blade groove.
The beneficial effects of the utility model are: adopt rotary damper to replace left and right sides hydraulic actuating cylinder to provide the buffering resistance for articulated system, the connection structure design is ingenious between rotary damper and side arm and the after-frame, simple and compact for structure, reliable operation, good sealing effect, guarantee can not occur the phenomenon of leakage of oil, have good practicability.
Description of drawings
Fig. 1 is the schematic perspective view of articulator of the present utility model chassis articulated system part;
Fig. 2 is the schematic perspective view of articulator of the present utility model chassis articulated system side arm;
Fig. 3 is the schematic perspective view of articulator of the present utility model chassis articulated system after-frame;
Fig. 4 is the schematic perspective view of rotary damper upper end cover of the present utility model;
Fig. 5 is the schematic perspective view of rotary damper stator of the present utility model;
Fig. 6 is the schematic perspective view of rotary damper rotor of the present utility model;
Fig. 7 is the schematic perspective view of rotary damper bottom end cover of the present utility model;
Fig. 8 is the schematic perspective view of the utility model connecting key;
Fig. 9 is the schematic perspective view of rotary damper of the present utility model;
Figure 10 is the schematic perspective view that rotary damper of the present utility model is removed upper end cover.
Reference numeral: 1, side arm, 11, concentric hole, 12, ball pivot, 13, boss, 131, first boss, 132, second boss, 2, after-frame, 21, the 3rd boss, 3, turntable bearing, 4, electric-control system, 5, rotary damper, 51, stator, 511, first groove, 512, septalium, 513, dividing plate, 514, compress oil groove, 515, first hydraulic fluid port, 516, second hydraulic fluid port, 517, first oil duct, 518, second oil duct, 52, rotor, 521, blade groove, 522, blade, 523, the oil sucting valve installing port, 524, second groove, 53, upper end cover, 531, the 3rd groove, 54, bottom end cover, 541, the axial plane seal groove, 55, hydraulic cavities, 6, connect keyway, 7, connecting key, 71, the upper end, 711, the arc tooth, 72, the lower end, 721, the 4th groove, 81, the centre hole of side arm, 82, the centre hole of after-frame, 91, angular transducer, 92, pressure sensor.
The specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of the utility model embodiment is carried out clear, complete description.
Shown in Figure 1, the articulator chassis articulated system that the utility model discloses, be used for connecting the compartment, front and back of articulated bus, it comprises side arm 1, after-frame 2, turntable bearing 3, electric-control system 4, rotary damper 5, and the connecting key 7 that connects rotary damper 5 and after-frame 2, side arm 1 connects front compartment, after-frame 2 connects trunk, and the turning of vehicle is realized in the compartment, front and back by the rotation of turntable bearing 3; Electric-control system 4 carries out logical calculus according to detected signals of sensing equipment such as angular transducer 91 and pressure sensor 92 (see figure 9)s, and the signal output that will result in, thereby the operation pressure of rotary damper 5 is set.
Side arm 1 is captiveed joint with turntable bearing 3 respectively with after-frame 2, and specifically, the outer ring (not shown) of side arm 1 and turntable bearing 3 is fixedly connected in the present embodiment, and the inner ring (not shown) of after-frame 2 and turntable bearing 3 is fixedly connected.The center of side arm 1 and after-frame 2 is formed with the centre hole 81,82 of hollow respectively, and rotary damper 5 is fixedly installed in the centre hole 81 of side arm 1 and with side arm 1 and is fixedly connected.Vehicle is when turning driving, and front compartment drives side arm 1 and rotates, and rotary damper 5 provides and turns to damping, and rotary damper 5 is for the excessive damping buffering effect that provides of Vehicular turn angle is provided.
In conjunction with shown in Figure 2, the front end of the side arm 1 that present embodiment discloses arranges two concentric hole 11, in each concentric hole 11 ball pivot 12 is installed all, is used for side arm 1 is captiveed joint with front compartment; The inboard circle of side arm 1 upper end periphery arranges some mounting holes for the outer ring that turntable bearing 3 is installed; The boss 13 of a plurality of connection side arms 1 and rotary damper 5 evenly is set on the side arm 1 inside circumference face.
Further, described boss 13 comprises first boss 131 and second boss 132 of several alternate settings, the upper surface of first boss 131 and side arm 1 upper surface are on same plane, the upper surface of second boss 132 is lower than the upper surface of side arm 1, first boss 131 and second boss 132 respectively with rotary damper 5 on corresponding structure fasten.
As shown in Figure 3, the aft end face of the after-frame 2 that present embodiment discloses is provided with some knock holees that after-frame 2 is captiveed joint with articulator crossbeam (not shown), and crossbeam is fixedly attached on the trunk; On the after-frame 2 upper surface circumferencial directions several knock holees and screw are set, are used for installing the inner ring of turntable bearing 3; A plurality of the 3rd boss 21 evenly are set on the after-frame 2 inwall circumferencial directions, be used for connecting key 7 on the 4th groove fasten.
In conjunction with Fig. 9 and shown in Figure 10, rotary damper 5 comprises stator 51, rotor 52 and the upper end cover 53 and the bottom end cover 54 that are used for encapsulated stator 51 and rotor 52, stator 51 and rotor 52 concentric settings and rotor 52 are positioned at the inboard of stator 51, are formed with hydraulic cavities 55 between stator 51 and the rotor 52.
In conjunction with shown in Figure 5, evenly offer a plurality of first grooves 511 on the stator 51 outer wall circumferencial directions, be used for side arm 1 inwall periphery on first boss 131 match with second boss 132 and be connected; On the stator 51 inside circumference directions a plurality of septaliums 512 are set evenly, are used for the dividing plate 513 that captive joint is separated hydraulic cavities 55, the stator outer wall is positioned at the dividing plate both sides the first symmetrical hydraulic fluid port 515 and second hydraulic fluid port 516 is set respectively; First oil duct 517 and second oil duct, 518, the first oil ducts 517 and second oil duct 518 are set respectively on the stator 51 upper flanges face circumferencial directions to communicate with first hydraulic fluid port 515 and second hydraulic fluid port 516 of dividing plate 513 both sides respectively.
In conjunction with shown in Figure 4, upper end cover 53 is fixedly installed on stator 51 tops, evenly offer at least one the 3rd groove 531 (in the present embodiment being three) on the upper end cover 53 outer wall circumferencial directions, the 3rd groove 531 arranges corresponding to the stator 51 first alternate grooves 511 and is overlapping in vertical formation, and the connection keyway 6 that overlapping back forms is corresponding one by one with second boss 132 on the side arm 1; And the height value of first boss 132 on the side arm 1 just in time is the height difference of second boss 131 and upper end cover 53, therefore, first boss, 132 cards end in first groove 511 of stator 51, in the vertical direction has limited rotary damper play about in the of 5 like this, and by the screw on second boss 132 and the cooperation of bolt rotary damper 5 is captiveed joint with side arm 1.
Some tapped bore evenly are set on the periphery on the upper end cover 53, corresponding one by one with tapped bore on stator 51 and the bottom end cover 54, be used for side arm 1 is captiveed joint with bottom end cover 54 with stator 51.
More preferably, described septalium 512 both sides also are provided with and compress oil groove 514, are used for offsetting the centnifugal force that produces when dividing plate 513 rotates.
In conjunction with shown in Figure 6, evenly be provided with at least one blade groove 521 (in the present embodiment being three) on the rotor 52 outer wall peripheries, be used for captive joint and separate the blade 522 of hydraulic cavities 55, blade 522 and dividing plate 513 arrange separately, hydraulic cavities 55 is cut apart several cavity volumes uniformly, all fill hydraulic oil in the cavity volume, when rotor 52 relative stator 51 rotate counterclockwise, hydraulic oil in the blade 522 left side cavity volumes is compressed the generation damping, when rotor 52 relative stator 51 clockwise rotate, hydraulic oil in the blade 522 right side cavity volumes is compressed, and produces damping.
Preferably, two symmetrical oil sucting valve installing ports 523 are offered in the both sides of the outer circumference surface of the rotor 52 at blade groove 521 places, when producing negative pressure in the cavity volume, oil sucting valve sucks back the hydraulic oil that leaks between rotor 52 circular shaft faces and the end face in the cavity volume, avoids the leakage that produces " vexed oil " phenomenon and avoid hydraulic oil.
As shown in Figure 8, be connected by connecting key 7 between after-frame 2 and the rotary damper 5, connecting key 7 comprises upper end 71 and lower end 72, on the outer wall circumferencial direction of upper end 71 a plurality of arc teeth 711 are set evenly, second groove 524 on this arc tooth 711 and the rotor 52 inwall circumferencial directions can fit, and produces moment of torsion; Arc tooth 711 relative both ends of the surface are spherical convex surface, make the rotor 52 of rotary damper 5 in when work, can float the interference and the jam that produce when eliminating articulated system work on horizontal, vertical, vertical three directions.
On the 72 outer wall circumferencial directions of connecting key 7 lower ends a plurality of the 4th grooves 721 are set evenly, be used for after-frame 2 outer wall circumferencial directions on the 3rd boss 21 match and be connected.Being connected of 2 of lower end 72 by connecting key 7 and after-frames, and being connected of 52 of the upper end 71 of connecting key 7 and rotary damper 5 rotors, thus with after-frame 2 be connected 52 moving the joining of rotor of rotary damper 5.
During assembling, the side arm 1 in the present embodiment, after-frame 2 and turntable bearing 3 are assembled into together, and connecting key 7 and after-frame 2 are fitted together, again the rotary damper 5 that assembles is fixedly connected with side arm 1 and connecting key 7 respectively at last.Like this, be more convenient for maintenance and the replacing of rotary damper 5.
Be the articulator chassis articulated system that discloses in the utility model most preferred embodiment more than, and in other embodiments, can the middle structure of this system be substituted.Can be connected with pin as the connection structure between the stator of side arm and rotary damper, the connection structure between after-frame and rotary damper rotor can be with flexible-disc joint etc.
Connection structure design between the utility model rotary damper 5 and side arm 1, the after-frame 2 is ingenious, good stability; Simple and compact for structure, weight is lighter, long service life, and resistance to torsion is strong, and the reliability height is practical, and can also avoid occurring oil leakage phenomenon.
Technology contents of the present utility model and technical characterictic have disclosed as above; yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and are done all replacement and modifications that does not deviate from the utility model spirit; therefore; the utility model protection domain should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present utility model and modifications, and contained by the present patent application claim.
Claims (12)
1. articulator chassis articulated system, it comprises side arm, after-frame, turntable bearing, and the hydraulic damping device that damping is provided for relatively rotating between described side arm and after-frame, described side arm is captiveed joint with described turntable bearing respectively with after-frame, the inboard of described side arm and after-frame is formed with centre hole respectively, it is characterized in that: described hydraulic damping device is located in the described centre hole, it comprises stator, rotor with respect to the stator rotation, and be formed at hydraulic cavities between stator and rotor, described stator and described side arm are fixedly connected, and described rotor matches with described after-frame by connecting key and is connected.
2. articulator according to claim 1 chassis articulated system is characterized in that described hydraulic damping device is a rotary damper, and described stator and rotor arrange with one heart and described rotor is positioned at the inboard of stator.
3. articulator according to claim 2 chassis articulated system is characterized in that described rotary damper also comprises for the upper end cover of encapsulated stator and rotor and bottom end cover.
4. articulator according to claim 1 chassis articulated system, it is characterized in that, on the described side arm inwall circumferencial direction boss that a plurality of and described stator matches and is connected is set evenly, described boss comprises first boss and second boss that distributes alternately, the upper surface of described first boss and described side arm upper surface are on same plane, and the upper surface of described second boss is lower than described side arm upper surface.
5. articulator according to claim 4 chassis articulated system is characterized in that, evenly offers a plurality of first grooves on the described stator outer wall circumferencial direction, is used for matching with the boss of described side arm being connected.
6. articulator according to claim 5 chassis articulated system is characterized in that, evenly offers a plurality of the 3rd grooves on the described upper end cover outer wall circumferencial direction, the corresponding setting of first groove on described the 3rd groove and the described stator.
7. articulator according to claim 1 chassis articulated system, it is characterized in that, described connecting key comprises top and bottom, on the outer wall circumferencial direction of described connecting key upper end a plurality of arc teeth are set evenly, a plurality of second grooves evenly are set on the described rotor inner wall circumferencial direction, and described arc tooth matches with described second groove and is connected.
8. articulator according to claim 7 chassis articulated system is characterized in that the front and rear end of described arc tooth is the spherical structure of evagination.
9. articulator according to claim 7 chassis articulated system, it is characterized in that, on the outer wall circumferencial direction of described connecting key lower end a plurality of the 4th grooves are set evenly, on the described after-frame inwall circumferencial direction a plurality of the 3rd boss are set evenly, described the 4th groove captive joint that matches with described the 3rd boss.
10. articulator according to claim 1 chassis articulated system is characterized in that, on the described stator inner wall periphery a plurality of septaliums is set evenly, is installed with the dividing plate of separating described hydraulic cavities in described each septalium.
11. articulator according to claim 10 chassis articulated system, it is characterized in that, on the circumferencial direction of described stator upper end first oil duct and second oil duct are set respectively, the stator outer wall is positioned at the dividing plate both sides the first symmetrical hydraulic fluid port and second hydraulic fluid port is set respectively, and described first hydraulic fluid port and second hydraulic fluid port are connected with first oil duct and second oil duct respectively.
12. articulator according to claim 1 chassis articulated system is characterized in that, on the described rotor outer wall periphery plurality of vanes groove is set evenly, is installed with the blade of separating described hydraulic cavities in the described blade groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320228545 CN203172370U (en) | 2013-04-28 | 2013-04-28 | Chassis articulated system of articulated vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320228545 CN203172370U (en) | 2013-04-28 | 2013-04-28 | Chassis articulated system of articulated vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203172370U true CN203172370U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320228545 Withdrawn - After Issue CN203172370U (en) | 2013-04-28 | 2013-04-28 | Chassis articulated system of articulated vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203172370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213465A (en) * | 2013-04-28 | 2013-07-24 | 伊卡路斯(苏州)车辆系统有限公司 | Hinged car chassis hinging system |
-
2013
- 2013-04-28 CN CN 201320228545 patent/CN203172370U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213465A (en) * | 2013-04-28 | 2013-07-24 | 伊卡路斯(苏州)车辆系统有限公司 | Hinged car chassis hinging system |
| CN103213465B (en) * | 2013-04-28 | 2015-06-03 | 伊卡路斯(苏州)车辆系统有限公司 | Hinged car chassis hinging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |