CN103625229A - Passenger car articulated system with pinion and rack mechanism under double-cylinder proportional damping control - Google Patents
Passenger car articulated system with pinion and rack mechanism under double-cylinder proportional damping control Download PDFInfo
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- CN103625229A CN103625229A CN201310711636.2A CN201310711636A CN103625229A CN 103625229 A CN103625229 A CN 103625229A CN 201310711636 A CN201310711636 A CN 201310711636A CN 103625229 A CN103625229 A CN 103625229A
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- tooth bar
- frame
- side arm
- rack
- gear
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Abstract
The invention relates to a passenger car articulated system with a pinion and rack mechanism under double-cylinder proportional damping control. The passenger car articulated system comprises a front rack, a rear rack, a rotary disc bearing and a hydraulic buffer device, wherein the rear rack and the front rack rotate relatively; the hydraulic buffer device provides damping for the relative rotation between the front rack and the rear rack; the front rack is movably connected with the rear rack through the rotary disc bearing; the inner side of the rear rack is provided with a central hole; the hydraulic buffer device comprises a gear and racks, which are meshed; the gear is fixedly connected with the surface of the inner side of the front rack; the racks are movably connected with the rear rack. The passenger car articulated system with the pinion and rack mechanism under double-cylinder proportional damping control is simple and compact in structure, and convenient to process and manufacture; the gear and the racks are simple to process, high in precision and long in service life; the front rack and the rear rack are provided with annular grooves, and the annular grooves are close to the front rack and the rear rack through seal rings, so that the favorable seal performance of a hydraulic cavity is ensured, the oil leakage phenomenon is prevented effectively, and the reliability of the articulated system of an articulated passenger car is ensured.
Description
Technical field
The present invention relates to vehicle chassis technical field, particularly articulated vehicle chassis technology field, specifically refers to the passenger train articulating system that the twin-tub proportional damping of a kind of gear teeth bar mechanism is controlled.
Background technology
Articulated bus is a kind of form of passenger car, is by articulated mounting, to be connected the passenger car in two compartments.Because urban population increases gradually, the people who rides in a bus is more and more, and general city bus can not meet requirements.People just adopt the mode of similar train train, and two joint passenger vehicles are coupled together, and like this, passenger capacity just can increase greatly.Articulated vehicle is generally comprised of two joint compartments, front compartment is connected by chassis hinging system with trunk, chassis hinging system comprises side arm, after-frame, turntable bearing and the hydraulic damping device of damping is provided, side arm is fixedly connected with front compartment by front cross rail, and after-frame is fixedly connected with trunk by after cross member.
Provide the hydraulic damping device of damping very crucial for articulator performance, hydraulic damping device is generally all provided with hydraulic actuating cylinder and corresponding control system, the hydraulic damping device complex structure of this spline structure, and long-time use has leakage oil condition, therefore need to design a kind of not easy oil leakage, simple in structure, the articulated system that contributes to improve articulator performance.
Summary of the invention
The object of the invention is to have overcome above-mentioned shortcoming of the prior art, the passenger train articulating system of provide a kind of compact conformation, processing is simple, resistance to torsion is strong, reliability is high, avoid leakage of oil, the twin-tub proportional damping of the gear teeth bar mechanism of good airproof performance being controlled.
For realizing above-mentioned object, the passenger train articulating system that the twin-tub proportional damping of gear teeth bar of the present invention mechanism is controlled by the following technical solutions:
The passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled, its principal feature is, comprise side arm, after-frame, turntable bearing and hydraulic damping device, described after-frame and described side arm relatively rotate, described hydraulic damping device provides damping for relatively rotating between described side arm and described after-frame, described side arm is flexibly connected with described after-frame by turntable bearing, the inner side of described after-frame has centre hole, this hydraulic damping device comprises pitch wheel and tooth bar, described gear is fixedly connected with the inner surface of described side arm, described tooth bar is flexibly connected with described after-frame, described tooth bar is with respect to described after-frame moving linearly.
The both sides of the centre hole of the after-frame in the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled are provided with slotted hole, two described slotted holes are parallel to each other, described tooth bar is movably set in described slotted hole, mesh with described tooth bar respectively the both sides of described gear, and described gear drives the tooth bar of its both sides to make the straight-line motion of opposite direction while rotating.
The two ends of the tooth bar in the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled are provided with piston, and the two ends of described slotted hole are fixedly installed corresponding hydraulic actuating cylinder, and the piston at the two ends of described tooth bar stretches into corresponding hydraulic actuating cylinder.
The space that the inner side of the inner side of the side arm described in being positioned in the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled and described after-frame forms, between described gear and described tooth bar, form hydraulic cavities, this hydraulic cavities and the external world separate.
The inner ring of the turntable bearing in the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled is fixedly connected with described after-frame, the outer ring of described turntable bearing is fixedly connected with described side arm, the inner surface of described after-frame is provided with the first sealed groove, this first sealed groove is annular, between the inner ring of the lateral wall of the first described sealed groove and described turntable bearing, be provided with seal ring, the inner surface of described side arm is provided with the second sealed groove, between the inner ring of the lateral wall of the second described sealed groove and described turntable bearing, be provided with seal ring.
One medial surface of the tooth bar in the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled and the engagement of described gear, another lateral surface of described tooth bar is corresponding to the inwall of described slotted hole, the lateral surface of this tooth bar is provided with wear rib, and described wear rib is parallel to described tooth bar.
In the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled, described side arm and described after-frame are when different position, and angular transducer or the displacement pickup that provides damping to control is provided this passenger train articulating system;
When described angular transducer is arranged in described passenger train articulating system, described angular transducer is arranged at the center of described side arm;
When described displacement pickup is arranged in described passenger train articulating system, described displacement pickup is fixedly connected with the end cap of the hydraulic actuating cylinder described in any one, in piston described in described displacement pickup stretches into and described tooth bar, described piston and described tooth bar slide with respect to described displacement pickup.
The passenger train articulating system that has adopted the twin-tub proportional damping of the gear teeth bar mechanism of this structure to control, simple in structure and compact, be convenient to processing and manufacturing, rack-and-gear processing mode is simpler, and can guarantee higher precision, and the service life of rack-and-gear is longer; Side arm and after-frame are provided with cannelure, and cannelure is close to side arm and after-frame by seal ring, thereby guarantee the good sealing property of hydraulic cavities, effectively avoid oil leakage phenomenon, thereby guarantee the reliability of articulated bus articulated system.
Accompanying drawing explanation
Fig. 1 is the structural representation of gear of the present invention and side arm.
Fig. 2 is that tooth bar of the present invention is installed on the structure intention in slotted hole.
Fig. 3 is the schematic diagram of gear & rack structure of the present invention.
Fig. 4 is the fixing structural representation of turntable bearing inner ring of the present invention and after-frame.
Fig. 5 is the schematic diagram of side arm of the present invention.
Fig. 6 is the schematic diagram of after-frame of the present invention.
Fig. 7 is the schematic diagram of turntable bearing of the present invention.
Fig. 8 is the cutaway view of articulated system of the present invention.
Fig. 9 is sectional block diagram of the present invention.
Figure 10 is schematic appearance of the present invention.
Number in the figure is described as follows:
1 side arm
11 second sealed grooves
2 after-frames
21 centre holes
22 slotted holes
23 first sealed grooves
3 turntable bearings
4 gears
5 tooth bars
51 pistons
52 wear ribs
6 angular transducers
The specific embodiment
In order more clearly to understand technology contents of the present invention, especially exemplified by following examples, describe in detail.
Refer to Fig. 1 to Fig. 2, the passenger train articulating system that the twin-tub proportional damping of this gear teeth bar mechanism is controlled, comprise side arm 1, after-frame 2, turntable bearing 3 and hydraulic damping device, after-frame 2 relatively rotates with side arm 1, hydraulic damping device provides damping for relatively rotating between side arm 1 and after-frame 2, side arm 1 is flexibly connected with after-frame 2 by turntable bearing 3, the inner side of after-frame 2 has centre hole 21, hydraulic damping device comprises pitch wheel 4 and tooth bar 5, gear 4 is fixedly connected with the inner surface of side arm 1, tooth bar 5 is flexibly connected with after-frame, tooth bar 5 is with respect to after-frame 2 moving linearlies.Articulated bus is generally comprised of two joint compartments, front and back, and articulated system is used for connecting front compartment and trunk, and side arm 1 is fixedly connected with front compartment by front cross rail, and after-frame 2 is fixedly connected with trunk by after cross member.
The both sides of the centre hole 21 of after-frame 2 are provided with 22, two slotted holes 22 of slotted hole and are parallel to each other, and tooth bar 5 is movably set in slotted hole 22, and mesh with tooth bar 5 respectively the both sides of gear 4, and gear 4 drives the tooth bar 5 of its both sides to make the straight-line motion of opposite direction while rotating.
The two ends of each tooth bar 5 are provided with piston 51, the two ends of slotted hole 22 are fixedly installed corresponding hydraulic actuating cylinder, and (hydraulic actuating cylinder is positioned at the place, two ends of slotted hole inside, not shown in FIG.), slotted hole 22 roles are similar to cylinder sleeve, for immobile liquid cylinder pressure, the piston 51 at the two ends of each tooth bar 5 all stretches into corresponding hydraulic actuating cylinder.Be positioned at the space that the inner side of side arm 1 and the inner side of after-frame 2 form, gear 4 and tooth bar 5 and between form hydraulic cavities, this hydraulic cavities and the external world separate.
The inner ring of turntable bearing 3 is fixedly connected with after-frame 2, the outer ring of turntable bearing 3 is fixedly connected with side arm 1, the inner surface of after-frame 2 is provided with the first sealed groove 23, this first sealed groove 23 is annular, the lateral wall of the first sealed groove 23 is close to the inner ring of turntable bearing 3, the lateral wall that the inner surface of side arm 1 is provided with the second sealed groove 11, the second sealed grooves 11 is close to the inner ring of turntable bearing 3.The first sealed groove 23 and the second sealed groove 11 arrange the sealing effectiveness that can guarantee that articulated system is good, are difficult for producing oil leakage phenomenon.
One medial surface of tooth bar 5 and gear 4 engagements, another lateral surface of tooth bar 5 is corresponding to the inwall of slotted hole 22, and the lateral surface of this tooth bar 5 is provided with wear rib 52, and wear rib 52 is parallel to tooth bar 5.This system can arrange a kind of in angular transducer 6 or displacement pickup, when being provided with angular transducer 6, be arranged at the center of side arm 1, side arm 1 and after-frame 2 are when different relative position, and this angular transducer 6 is controlled for hydraulic damping device provides corresponding damping.When displacement pickup is set, displacement pickup is fixedly connected with the end cap of any one hydraulic actuating cylinder, and displacement pickup stretches in piston 51 and tooth bar 5, and piston 51 and tooth bar 5 slide with respect to displacement pickup.
The passenger train articulating system that has adopted the twin-tub proportional damping of the gear teeth bar mechanism of this structure to control, simple in structure and compact, be convenient to processing and manufacturing, rack-and-gear processing mode is simpler, and can guarantee higher precision, and the service life of rack-and-gear is longer; Side arm and after-frame are provided with cannelure, and cannelure is close to side arm and after-frame by seal ring, thereby guarantee the good sealing property of hydraulic cavities, effectively avoid oil leakage phenomenon, thereby guarantee the reliability of articulated bus articulated system.
In this specification sheets, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification sheets and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. the passenger train articulating system that the twin-tub proportional damping of a gear teeth bar mechanism is controlled, it is characterized in that, comprise side arm, after-frame, turntable bearing and hydraulic damping device, described after-frame and described side arm relatively rotate, described hydraulic damping device provides damping for relatively rotating between described side arm and described after-frame, described side arm is flexibly connected with described after-frame by turntable bearing, the inner side of described after-frame has centre hole, this hydraulic damping device comprises pitch wheel and tooth bar, described gear is fixedly connected with the inner surface of described side arm, described tooth bar is flexibly connected with described after-frame, described tooth bar is with respect to described after-frame moving linearly.
2. the passenger train articulating system that the twin-tub proportional damping of gear teeth bar according to claim 1 mechanism is controlled, it is characterized in that, the both sides of the centre hole of described after-frame are provided with slotted hole, two described slotted holes are parallel to each other, described tooth bar is movably set in described slotted hole, mesh with described tooth bar respectively the both sides of described gear, and described gear drives the tooth bar of its both sides to make the straight-line motion of opposite direction while rotating.
3. the passenger train articulating system that the twin-tub proportional damping of gear teeth bar according to claim 2 mechanism is controlled, it is characterized in that, the two ends of described tooth bar are provided with piston, the two ends of described slotted hole are fixedly installed corresponding hydraulic actuating cylinder, and the piston at the two ends of described tooth bar stretches into corresponding hydraulic actuating cylinder.
4. the passenger train articulating system that the twin-tub proportional damping of gear teeth bar according to claim 2 mechanism is controlled, it is characterized in that, the space that the inner side of the inner side of the side arm described in being positioned at and described after-frame forms, between described gear and described tooth bar, form hydraulic cavities, this hydraulic cavities and the external world separate.
5. the passenger train articulating system that the twin-tub proportional damping of gear teeth bar according to claim 1 mechanism is controlled, it is characterized in that, the inner ring of described turntable bearing is fixedly connected with described after-frame, the outer ring of described turntable bearing is fixedly connected with described side arm, the inner surface of described after-frame is provided with the first sealed groove, this first sealed groove is annular, between the inner ring of the lateral wall of the first described sealed groove and described turntable bearing, be provided with seal ring, the inner surface of described side arm is provided with the second sealed groove, between the inner ring of the lateral wall of the second described sealed groove and described turntable bearing, be provided with seal ring.
6. the passenger train articulating system that the twin-tub proportional damping of gear teeth bar according to claim 2 mechanism is controlled, it is characterized in that, one medial surface of described tooth bar and the engagement of described gear, another lateral surface of described tooth bar is corresponding to the inwall of described slotted hole, the lateral surface of this tooth bar is provided with wear rib, and described wear rib is parallel to described tooth bar.
7. the passenger train articulating system that the twin-tub proportional damping of gear teeth bar according to claim 1 mechanism is controlled, it is characterized in that, described side arm and described after-frame are when different position, and angular transducer or the displacement pickup that provides corresponding damping to control is provided this passenger train articulating system;
When described angular transducer is arranged in described passenger train articulating system, described angular transducer is arranged at the center of described side arm;
When described displacement pickup is arranged in described passenger train articulating system, described displacement pickup is fixedly connected with the end cap of the hydraulic actuating cylinder described in any one, in piston described in described displacement pickup stretches into and described tooth bar, described piston and described tooth bar slide with respect to described displacement pickup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310711636.2A CN103625229A (en) | 2013-12-20 | 2013-12-20 | Passenger car articulated system with pinion and rack mechanism under double-cylinder proportional damping control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310711636.2A CN103625229A (en) | 2013-12-20 | 2013-12-20 | Passenger car articulated system with pinion and rack mechanism under double-cylinder proportional damping control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103625229A true CN103625229A (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310711636.2A Pending CN103625229A (en) | 2013-12-20 | 2013-12-20 | Passenger car articulated system with pinion and rack mechanism under double-cylinder proportional damping control |
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| Country | Link |
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| CN (1) | CN103625229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015268A1 (en) * | 2014-07-28 | 2016-02-04 | 伊卡路斯(苏州)车辆系统有限公司 | Articulated chassis system for front- and centre-drive articulated bus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4031626A1 (en) * | 1989-10-10 | 1991-04-11 | Hemscheidt Maschf Hermann | Hydraulic shock absorber with at least one person - has cylinder, and drive unit mounted on rotary axle, with transmission piece |
| DE4118612A1 (en) * | 1991-06-06 | 1992-12-10 | Man Nutzfahrzeuge Ag | SYNCHRONOUS DAMPER DEVICE |
| DE4426725C1 (en) * | 1994-07-28 | 1995-08-03 | Hemscheidt Fahrwerktech Gmbh | Turntable for articulated bus |
| DE29915425U1 (en) * | 1999-09-02 | 2001-01-18 | Hemscheidt Fahrwerktech Gmbh | Guide arrangement for a bellows middle frame in an articulated vehicle |
| CN101376403A (en) * | 2007-08-30 | 2009-03-04 | 无锡华创伊卡露斯车辆设备有限公司 | Chassis articulated system of large-sized articulated coach |
| CN201627870U (en) * | 2009-12-23 | 2010-11-10 | 谭和平 | MR (magneto rheological) damper of built-in displacement sensor |
| DE202010016813U1 (en) * | 2010-12-20 | 2012-03-26 | Liebherr-Aerospace Lindenberg Gmbh | joint |
| CN203666296U (en) * | 2013-12-20 | 2014-06-25 | 伊卡路斯(苏州)车辆系统有限公司 | Double-cylinder proportional damping controlled passenger car articulated system with gear and rack mechanism |
-
2013
- 2013-12-20 CN CN201310711636.2A patent/CN103625229A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4031626A1 (en) * | 1989-10-10 | 1991-04-11 | Hemscheidt Maschf Hermann | Hydraulic shock absorber with at least one person - has cylinder, and drive unit mounted on rotary axle, with transmission piece |
| DE4118612A1 (en) * | 1991-06-06 | 1992-12-10 | Man Nutzfahrzeuge Ag | SYNCHRONOUS DAMPER DEVICE |
| DE4426725C1 (en) * | 1994-07-28 | 1995-08-03 | Hemscheidt Fahrwerktech Gmbh | Turntable for articulated bus |
| DE29915425U1 (en) * | 1999-09-02 | 2001-01-18 | Hemscheidt Fahrwerktech Gmbh | Guide arrangement for a bellows middle frame in an articulated vehicle |
| CN101376403A (en) * | 2007-08-30 | 2009-03-04 | 无锡华创伊卡露斯车辆设备有限公司 | Chassis articulated system of large-sized articulated coach |
| CN201627870U (en) * | 2009-12-23 | 2010-11-10 | 谭和平 | MR (magneto rheological) damper of built-in displacement sensor |
| DE202010016813U1 (en) * | 2010-12-20 | 2012-03-26 | Liebherr-Aerospace Lindenberg Gmbh | joint |
| CN203666296U (en) * | 2013-12-20 | 2014-06-25 | 伊卡路斯(苏州)车辆系统有限公司 | Double-cylinder proportional damping controlled passenger car articulated system with gear and rack mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015268A1 (en) * | 2014-07-28 | 2016-02-04 | 伊卡路斯(苏州)车辆系统有限公司 | Articulated chassis system for front- and centre-drive articulated bus |
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Application publication date: 20140312 |