CN105443643B - Hydraulic buffer system and assemble method - Google Patents
Hydraulic buffer system and assemble method Download PDFInfo
- Publication number
- CN105443643B CN105443643B CN201510982280.5A CN201510982280A CN105443643B CN 105443643 B CN105443643 B CN 105443643B CN 201510982280 A CN201510982280 A CN 201510982280A CN 105443643 B CN105443643 B CN 105443643B
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- Prior art keywords
- damping
- valve
- grades
- damping system
- overflow valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of hydraulic buffer system and assemble method, it is related to articulated vehicle control technology field, including the Stress control oil circuit being arranged on hydraulic cylinder, the Stress control oil circuit includes one-level damping system, two grades of damping systems and three-stage damping system, the one-level damping system is connected in parallel with two grades of damping systems, pressure release passage is provided with two grades of damping systems, one end of the three ranks damping system is connected to the confluence of the one-level damping system and two grades of damping systems, the other end is connected with the rod chamber in cylinder body, pass through above technical scheme, the stability of vehicle can be improved, lift damping effect；A kind of method assembled to the first overflow valve is additionally provided in the present invention in addition, detection can be realized in an assembling process, with Improving The Quality of Products.
Description
Technical field
The present invention relates to articulated vehicle control technology field, and in particular to a kind of hydraulic cushion system for articulated vehicle
System, with three-stage damping system and damping can realize a smooth transition；And for the overflow valve carry out group in damping system
The method of dress.
Background technology
With the quickening of Urbanization in China, the variation of mode of transportation is being continuously available development with rapid changepl. never-ending changes and improvements, cuts with scissors
A kind of main tool as city bus is picked up, by using articulated mounting by two sections or the combination of more piece vehicle body one
Rise, to realize large passenger flow carrying, receive the high praise in market.
Articulated vehicle is in the process of moving, it usually needs vehicle body is changed direct of travel, CN by special hydraulic mechanism
204284291 U disclose a kind of hydraulic bjuffer that vehicle safety revolution is realized based on articulated system, the hydraulic bjuffer energy
Enough to change damping torque according to the angle or speed of vehicle, so it is disadvantageous in that, hydraulic control oil circuit is being switched over
During, larger damped step can be produced, vehicle is easily caused and shakes, the comfort level that influence passenger takes；In addition, with
It can cause bad in installation process in the overflow valve on hydraulic control oil circuit, difficulty of test increase influences product quality.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of hydraulic buffer system for articulated vehicle, pass through
One-level damping system, two grades of damping systems and three-stage damping system are set on the Stress control oil circuit, and at described two grades
The passage of pressure release can be carried out to low pressure by being set in damping system, in the handoff procedure for carrying out different damping system, can guarantee that
Damping carries out smooth transition, improves the stability of vehicle, lifts damping effect；In addition, the present invention is on Stress control oil circuit
The overflow valve of use, by setting structure of relief valve and combining assemble method, realizes the installation process quality inspection to overflow valve,
Ensure that the quality of product is unaffected.
Technical scheme is as follows：
A kind of hydraulic buffer system for articulated vehicle, including the hydraulic cylinder being made up of cylinder body and piston component, pass through
Stress control oil circuit drives the stroke of piston component, and damper, the Stress control oil circuit bag are housed on the hydraulic cylinder
Include one-level damping system, two grades of damping systems and three-stage damping system, the one-level damping system and two grades of damping systems
It is connected in parallel, it is described provided with the passage that oil circuit can be made to be in progress pressure release under low pressure situation in two grades of damping systems
One end of three rank damping systems is connected to the confluence of the one-level damping system and two grades of damping systems, the other end and cylinder
Internal rod chamber is connected.
Preferably, two grades of damping systems include the first overflow valve, first overflow valve descends energy in off position
Produce damping；The one-level damping system includes damper, and magnetic valve is provided with the front end of the damper；The three-level resistance
Damping system includes the second overflow valve.
Further, open up jagged on the bonnet of first overflow valve, the cross-sectional area of the breach it is flat
Side is inversely proportional with oil circuit pressure.
Further, integrated package is provided with the cylinder body, oil groove was provided with the middle part of the integrated package, in the collection
Blocking periphery is provided with horizontal pouring orifice and vertical pouring orifice.
Preferably, first overflow valve or second overflow valve include valve seat, filled at the middle part of the valve seat
Have valve element, the top of the valve element is nested with spring, and the top of the spring is fixed by regulating element, the spring and
The regulating element is contained in valve inner, and bonnet is housed in the bottom of the valve body.
A kind of method for being assembled to first overflow valve, comprises the following steps：(1) using the valve seat as branch
Support, by the valve core housing in the valve seat, the spring is arranged on the top of the valve element, by the regulating element to institute
The top for stating spring is fixed, and forms integrative-structure；(2) bonnet is connected with the valve body, by the regulating element,
The spring is integrally inserted into the valve inner, the bonnet is in contact with the regulating element, forms overflow valve.
Vehicle is during straight-line travelling, and damping damping is common by the one-level damping system and two grades of damping systems
There is provided, now, the magnetic valve is in opening, when vehicle is reaching certain angle during turning, the magnetic valve
Close, now hydraulic oil only passes through from two grades of damping systems, the first overflow valve be provided with two grades of damping systems,
In the state of first overflow valve is in and closed, hydraulic oil can produce certain damping pressure by the passage, with
The continuous increase of hydraulic fluid pressure, first overflow valve can be triggered when reaching certain value and is opened, damping pressure is existed
During changing from the one-level damping system to two grades of damping systems, damping pressure realizes steady-state growth, so as to protect
Hold the stationarity of vehicle.
In order to keep the stability of hydraulic buffer system, the technical program carries out structure to first overflow valve and changed
Enter, and use new assemble method, it is detected in assembling process, it is to avoid to detect unqualified after the completion of assembling
There is phenomenon of doing over again, improve operating efficiency；The pouring orifice of different directions is set on integrated package simultaneously, processing is not only reduced
Difficulty, and improve oiling efficiency.
Beneficial effect：The present invention is by above technical scheme, with following technique effect：
(1) solve vehicle caused by vehicle step occurs during turning because of damping pressure in the prior art and rock existing
As enabling damping pressure steadily to be increased, enhancing stability of the vehicle in steering procedure；
(2) two grades of damping systems are avoided and stuck phenomenon occur, cause vehicle to occur out of control, it is ensured that the safety of vehicle
Property；
(3) performance detection can be carried out to the first overflow valve or the second overflow valve in real time, improves operating efficiency, can
Product quality is effectively ensured.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the theory structure schematic diagram of the hydraulic buffer system disclosed in the embodiment of the present invention；
Fig. 2 is the cross section structure diagram of the first overflow valve disclosed in the embodiment of the present invention；
Fig. 3 is the structural representation of the integrated package disclosed in the embodiment of the present invention.
Numeral and the corresponding component title represented by letter in figure：
1st, one-level damping system；11st, damper；12nd, magnetic valve；2nd, two grades of damping systems；21st, valve seat；22nd, valve element；23、
Spring；24th, regulating element；25th, valve body；26th, breach；3rd, three-stage damping system；31st, the second overflow valve；4th, cylinder body；5th, it is integrated
Block；6th, oil groove is crossed；7th, horizontal pouring orifice；8th, vertical pouring orifice.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, detailed retouch is carried out to the technical scheme in the embodiment of the present invention
State.
A kind of hydraulic buffer system for articulated vehicle, refer to Fig. 1, including be made up of cylinder body 4 and piston component
Hydraulic cylinder, the stroke of piston component can be driven by Stress control oil circuit, and damper is housed on the hydraulic cylinder, described
Stress control oil circuit includes one-level damping system 1, two grades of damping systems 2 and three-stage damping system 3, the one-level damping system 1
It is connected in parallel with two grades of damping systems 2, being provided with two grades of damping systems 2 can lead to low pressure progress pressure release
Road, low pressure now refers to Opening pressure value of the hydraulic pressure value less than the first overflow valve that oil circuit is produced, the three-stage damping
One end of system 3 is connected in the confluence of the one-level damping system 1 and two grades of damping systems 2, the other end and cylinder body 4
Rod chamber be connected.
Wherein, the one-level damping system 1 includes damper 11, and magnetic valve is provided with the front end of the damper 11
12, the switch where can controlling the lock of damper 11 by the magnetic valve 12 on oil circuit controls hydraulic system to pass through
The one-level damping system 1, enters to the damper 11；Two grades of damping systems 2 include the first overflow valve, incorporated by reference to figure
2, open up jagged 26 on the bonnet of first overflow valve, the cross-sectional area of the breach 26 square and oil circuit pressure
It is inversely proportional, certain damping still can be produced under making first overflow valve in off position, makes up and system is damped by the one-level
System 1 switchs to the step that is produced during two grades of damping systems 2, makes the one-level damping system 1 to two grades of damping systems 2
During switching over, damping pressure can realize steady rising；The second overflow valve is provided with the three-stage damping system 3.
First overflow valve includes valve seat 21, and valve element 22, the top of the valve element 22 are housed at the middle part of the valve seat 21
End is nested with spring 23, and the top of the spring 23 is fixed by regulating element 24, and the regulating element 24 is used to carry out
Pressure is adjusted, and the spring 23 and the regulating element 24 are contained in inside valve body 25, and valve is housed in the bottom of the valve body 25
In lid, assembling process, it is support first with the valve seat 21, the valve element 22 is enclosed in the valve seat 21, in the valve element
22 top is arranged the spring 23, is fixed by the top of 24 pairs of the regulating element spring 23, forms one
Structure, is tested by the performance after being assembled to the spring 23 and the regulating element 24, convenient if test is not up to standard
Carry out changing part in time；Conversely, the bonnet is connected with the valve body 25, by the regulating element 24, the spring 23
Integrally it is inserted into inside the valve body 25, the bonnet is in contact with the regulating element 24, forms first overflow valve,
By carrying out structure improvement to first overflow valve, and use new assembly method, it can be ensured that in the He of spring 23
The regulating element 24 is detected before loading the valve body 25, it is to avoid need frequently to be dismantled after the completion of overall package,
Cause operating efficiency low, influence the quality of product.
In order to be able to make the mentality of designing of the relatively sharp understanding present invention of those skilled in the art, below to its course of work
It is described in detail.After vehicle launch, the magnetic valve 12 in the one-level damping system 1 is in obtain electricity condition, now, pressure
Control by the offer damping damping jointly of the one-level damping system 1 and two grades of damping systems 2 on oil circuit, when vehicle is turned
When curved and rotation is to certain angle, the magnetic valve 12 in the one-level damping system 1 is in power failure state, now, Stress control
Oil circuit provides damping damping by two grades of damping systems 2, i.e., hydraulic oil circulates only from two grades of damping systems 2, due to
The first overflow valve is provided with two grades of damping systems 2, breach 26 is provided with first overflow valve, is produced when oil circuit
When hydraulic pressure value is less than the Opening pressure of first overflow valve, in the case where first overflow valve is not turned on, liquid
Force feed outwards can slowly be flowed out by breach, and produce the oil of certain damping pressure, the pressure value and the hydraulic oil flowed through
Amount is proportional, i.e. the turning speed of vehicle is directly proportional, and now first overflow valve plays damping effect；With hydraulic-oil quantity
Be continuously increased, the pressure value of generation is also constantly rising, and when the pressure value of generation reaches certain value, can trigger described first
Overflow valve is opened, and now first overflow valve plays overflow effect.
With reference to the above-mentioned course of work, magnetic valve 12 in the one-level damping system 1 before being turned off after, i.e. Stress control oil
Damping damping on road is provided jointly by the one-level damping system 1 and two grades of damping systems 2 to be changed into only by described two
When level damping system 2 is provided, with following technique effect：(1) damping damping can realize stable rising, solve existing skill
The problem of easily step being produced in art, it is ensured that the stationarity of vehicle in the process of moving；(2) in the prior art, when described two
When the first overflow valve in level damping system 2 occurs stuck, oil was carried out by the breach, overflow valve card can be avoided the occurrence of
Extremely cause the detonation of cylinder body 4, cause phenomenon to lose control of one's vehicle, improve the security of vehicle；(3) due to the cross section of the breach
Area square is inversely proportional with oil circuit pressure, in the case where first overflow valve is closed, by adjusting the breach
Size, can be adjusted to the damping that first overflow valve is produced when excessively oily, meet the driving requirements of different vehicle, lifted
Flexibility.
Further, the present invention is provided with integrated package 5 on the cylinder body 4, Fig. 3 is refer to, at the middle part of the integrated package 5
Oil groove 6 was provided with, horizontal pouring orifice 7 and vertical pouring orifice 8 is provided with the periphery of the integrated package 5, can effectively solve the problem that described
Integrated package 5 causes trimming, edge damage phenomenon when opening up pouring orifice, considerably reduces difficulty of processing, helps to lift integrated package 5
Qualification rate, convenient to be welded with damper, the quality of raising damper；Oil injecting speed can be increased simultaneously, it is to avoid electromagnetism
There is stuck phenomenon in valve 12, improves production efficiency.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of hydraulic buffer system for articulated vehicle, including the hydraulic cylinder being made up of cylinder body and piston component, pass through pressure
Power control oil circuit drives the stroke of piston component, damper is housed on the hydraulic cylinder, it is characterised in that the pressure control
Liquefaction road include one-level damping system, two grades of damping systems and three-stage damping system, the one-level damping system with described two grades
Damping system is connected in parallel, and pressure release passage is provided with two grades of damping systems, and one end of the three ranks damping system is connected
In the confluence of the one-level damping system and two grades of damping systems, the other end is connected with the rod chamber in cylinder body.
2. a kind of hydraulic buffer system for articulated vehicle according to claim 1, it is characterised in that two grades of resistances
Damping system includes the first overflow valve, and first overflow valve is lower in off position to produce damping；The one-level damping system bag
Damper has been included, magnetic valve is provided with the front end of the damper；The three-stage damping system includes the second overflow valve.
3. a kind of hydraulic buffer system for articulated vehicle according to claim 2, it is characterised in that described first
Open up jagged on the bonnet of overflow valve, the cross-sectional area of the breach square is inversely proportional with oil circuit pressure.
4. a kind of hydraulic buffer system for articulated vehicle according to claim any one of 1-3, it is characterised in that
The cylinder body is provided with integrated package, and oil groove was provided with the middle part of the integrated package, and level is provided with the periphery of the integrated package
Pouring orifice and vertical pouring orifice.
5. a kind of hydraulic buffer system for articulated vehicle according to Claims 2 or 3, it is characterised in that described
One overflow valve or second overflow valve include valve seat, and valve element is housed at the middle part of the valve seat, and the top of the valve element is embedding
Spring is cased with, the top of the spring is fixed by regulating element, the spring and the regulating element are contained in valve body
Inside, bonnet is equipped with the bottom of the valve body.
6. the assemble method of a kind of the first overflow valve in claim 5, it is characterised in that comprise the following steps：(1) with institute
It is support to state valve seat, and by the valve core housing in the valve seat, the spring is arranged on the top of the valve element, is adjusted by described
The top of the spring is fixed section element, forms integrative-structure；(2) bonnet is connected with the valve body, by institute
State regulating element, the spring and be integrally inserted into the valve inner, the bonnet is in contact with the regulating element, formed
Overflow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982280.5A CN105443643B (en) | 2015-12-24 | 2015-12-24 | Hydraulic buffer system and assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982280.5A CN105443643B (en) | 2015-12-24 | 2015-12-24 | Hydraulic buffer system and assemble method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443643A CN105443643A (en) | 2016-03-30 |
| CN105443643B true CN105443643B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510982280.5A Active CN105443643B (en) | 2015-12-24 | 2015-12-24 | Hydraulic buffer system and assemble method |
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| Country | Link |
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| CN (1) | CN105443643B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329406A (en) * | 2014-10-16 | 2015-02-04 | 伊卡路斯(苏州)车辆***有限公司 | Hydraulic buffer device and method thereof for realizing safety turn of vehicle based on hinged system |
| CN204186860U (en) * | 2014-10-27 | 2015-03-04 | 伊卡路斯(苏州)车辆***有限公司 | Hinging system for hinged chassis |
| CN205260714U (en) * | 2015-12-24 | 2016-05-25 | 伊卡路斯(苏州)车辆***有限公司 | Hydraulic buffer system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05126199A (en) * | 1991-10-29 | 1993-05-21 | Kayaba Ind Co Ltd | Shock absorber |
| JP3306526B2 (en) * | 1993-05-20 | 2002-07-24 | トキコ株式会社 | Damping force adjustable hydraulic shock absorber |
-
2015
- 2015-12-24 CN CN201510982280.5A patent/CN105443643B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329406A (en) * | 2014-10-16 | 2015-02-04 | 伊卡路斯(苏州)车辆***有限公司 | Hydraulic buffer device and method thereof for realizing safety turn of vehicle based on hinged system |
| CN204186860U (en) * | 2014-10-27 | 2015-03-04 | 伊卡路斯(苏州)车辆***有限公司 | Hinging system for hinged chassis |
| CN205260714U (en) * | 2015-12-24 | 2016-05-25 | 伊卡路斯(苏州)车辆***有限公司 | Hydraulic buffer system |
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| Publication number | Publication date |
|---|---|
| CN105443643A (en) | 2016-03-30 |
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