CN208803344U - A kind of digital hydraulic control system, screed and paver - Google Patents
A kind of digital hydraulic control system, screed and paver Download PDFInfo
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- CN208803344U CN208803344U CN201821490257.XU CN201821490257U CN208803344U CN 208803344 U CN208803344 U CN 208803344U CN 201821490257 U CN201821490257 U CN 201821490257U CN 208803344 U CN208803344 U CN 208803344U
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- digital
- screed
- paver
- digital servo
- control system
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Abstract
The utility model relates to a kind of digital hydraulic control systems of paver screed, use the paver screed and paver of the system.The digital hydraulic control system includes Hydraulic power units, machine feedback formula digital servo cylinder, wherein the Hydraulic power units drives the machine feedback formula digital servo cylinder movement；The machine feedback formula digital servo cylinder controls the spatial position of the screed adjustment mechanism of the paver screed.The utility model improves the capacity utilization of paver, spreading quality can be improved while simplified control, by the way that machine feedback formula digital servo cylinder is arranged, system is simplified using feedback regulation, corresponding displacement is generated by hydraulic cylinder fast accurate, guarantee flatness in paving process, to promote the pavement quality of the engineering.
Description
Technical field
The utility model relates to the dedicated construction machinery technical fields in road surface, and are more particularly related to a kind of paver
The digital hydraulic control system of screed uses the paver screed and paver of the system.
Background technique
It is higher and higher to high grade highway pavement quality requirement with the development of China's infrastructure, construction quality is mentioned
Higher requirement is gone out.Paver more and more obtains work order as the core of highway and urban road construction machinery, performance
The attention of position and device manufacturer.Paver, which has become, guarantees construction quality and duration, reduces project cost, saves engineering construction
The main means of cost and main equipment.
Paver is the dedicated construction machinery of surfacing, and effect is that the good material of mixing equably paves on road surface
On underlayment, and guarantees paving layer thickness, width, crown of pavement, flatness, compactness etc. and reach construction requirement.It is used extensively
The paving operation in the engineerings such as highways and streets, large-scale goods yard, airport harbour, parking lot, can be greatly lowered construction personnel
Labor intensity, accelerate construction progress, guarantee paved quality, and paving concrete pavement quality depends primarily on screed control
The quality of technology.Current most of paver screeds it is levelling using levelling mode of floating, control is complicated, effect is bad therefore
Barrier rate is high.
Based on this, the prior art still has much room for improvement.
Utility model content
The utility model is in view of the above-mentioned problems, be designed to provide a kind of digital hydraulic control system of paver screed
System can solve the control complexity of the prior art, paved effect not using the paver screed and paver of the system
Well, the technical issues of high failure rate.
In order to achieve the above objectives, the utility model adopts the following technical solution:
On the one hand, the embodiments of the present invention disclose a kind of digital hydraulic control system of paver screed, packet
Include Hydraulic power units, machine feedback formula digital servo cylinder, wherein
The Hydraulic power units drives the machine feedback formula digital servo cylinder movement；
The machine feedback formula digital servo cylinder controls the posture of the paver screed.
Further, the machine feedback formula digital servo cylinder includes digital servo valve, mechanical feedback mechanism and liquid
Cylinder pressure, wherein the digital servo valve connects and drive the hydraulic cylinder, and the mechanical feedback mechanism is according to executing agency
Motion feedback adjust the digital servo valve.
Further, the executing agency includes machine feedback formula digital servo cylinder and screed regulating mechanism.
Further, the machine feedback formula digital servo cylinder further includes controller, and the controller is connected and controlled
Make the digital servo valve.
Further, the velocity of rotation of the motor of the digital servo valve and the mechanical feedback mechanism determine described hydraulic
The speed of cylinder；
The rotational angle of the motor of the digital servo valve and the mechanical feedback mechanism determine the stroke of the hydraulic cylinder.
Further, the mechanical feedback mechanism includes the direct feedback based on actuator shaft, and/or,
Indirect feedback based on executing agency's operation conditions.
Further, the mechanical feedback mechanism includes screw rod, gear engagement, rack-and-pinion, chain, one in synchronous belt
Kind is a variety of.
On the other hand, the utility model embodiment also discloses a kind of paver screed comprising above-mentioned is any one
Kind digital hydraulic control system and screed ontology, the digital hydraulic control system control the screed ontology.
The third aspect, the utility model embodiment also disclose a kind of paver comprising above-mentioned paver screed.
The utility model has the beneficial effects that:
The utility model improves the capacity utilization of paver, and spreading quality can be improved in simplified control while, passes through
Machine feedback formula digital servo cylinder is set, system is simplified using feedback regulation, is generated by hydraulic cylinder fast accurate pair
The displacement answered guarantees flatness in paving process, to promote the pavement quality of the engineering.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention；
Fig. 2 is the schematic diagram of another embodiment of the utility model；
Fig. 3 is the schematic diagram of another embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and implement
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Figure 1, an embodiment of the present invention discloses a kind of digital hydraulic control system of paver screed,
Including Hydraulic power units 2, machine feedback formula digital servo cylinder 3, wherein
The Hydraulic power units 2 drives the machine feedback formula digital servo cylinder 3 to move；
The machine feedback formula digital servo cylinder 3 controls the screed adjustment mechanism 4 of the paver screed
Spatial position.
The present embodiment provides high pressure fuel source to machine feedback formula digital servo cylinder 3 using Hydraulic power units 2, mechanical
Reaction type digital servo cylinder 3 controls 4 spatial position of screed adjustment mechanism, to be precisely controlled the appearance of paver screed
State.Screed attitude regulation fully achieves vector quantization and digitlization, reduces debugging difficulty, shortens debugging cycle, reduces to hydraulic
Luboil cleanness requires, long-time service is not required to adjustment system parameter, and realizes high-precision control.Hydraulic pressure auxiliary element 1 guarantees hydraulic
Control system works normally.
As shown in Fig. 2, the machine feedback formula digital servo cylinder is watched including number in the embodiments of the present invention
Take valve, mechanical feedback mechanism 6 and hydraulic cylinder 5, wherein the digital servo valve connects and drive the hydraulic cylinder, described
Mechanical feedback mechanism adjusts the digital servo valve according to the motion feedback of executing agency.Preferably, the executing agency includes
Machine feedback formula digital servo cylinder and screed regulating mechanism.The machine feedback formula digital servo cylinder further includes control
Device 7 processed, the controller connect and control the digital servo valve.Machine feedback formula digital servo cylinder in the present embodiment
3 integrate digital servo valve, feedback mechanism, hydraulic cylinder etc. as a whole.Such as: use digital control control mode
When, instruction is issued from motor 8 of the controller on digital number servo valve, opens digital number servo valve, digital number servo
Valve exports the movement of high pressure oil driving hydraulic cylinder, then corresponding mechanical feedback mechanism control digital number servo valve valve port is driven to carry out
It is corresponding to adjust variation.
On the basis of the above embodiments, in another embodiment of the utility model, the rotation of the motor of digital servo valve
Speed and internal mechanical feedback mechanism determine the speed of hydraulic cylinder, the rotational angle of the motor of digital servo valve and internal machine
Tool feedback mechanism determines the stroke of hydraulic cylinder, realizes to the direction of machine feedback formula digital servo cylinder 3, position and speed
Control, it is final to realize the posture for being precisely controlled paver screed.
In the another embodiment of the utility model, the mechanical feedback mechanism includes based on the direct of actuator shaft
Feedback or the indirect feedback based on executing agency's operation conditions.Preferably, the mechanical feedback mechanism includes being based on execution machine
Directly feedback and the indirect feedback based on executing agency's operation conditions of structure output shaft.Executing agency in the present embodiment includes machine
Tool reaction type digital servo cylinder and screed regulating mechanism；As shown in figure 3, the direct feedback based on hydraulic cylinder linear motion
The specially described hydraulic cylinder is connect by lead screw with the digital servo valve, and the speed displacement of the hydraulic cylinder is fed back to number
Servo valve, to adjust the opening degree of the digital servo valve.The specific structure of mechanical feedback mechanism include screw rod, gear, chain,
One or more combinations of the transmission mechanisms such as synchronous belt, including but not limited to mechanical feedback mechanism listed above.
The utility model embodiment also discloses a kind of paver screed comprising any one of the above digital hydraulic control
System, screed adjustment mechanism and screed ontology processed, the digital hydraulic control system is by controlling the screed adjustment
The spatial position of mechanism, to realize the accurate control to the screed ontology.The screed of the embodiment has in operation
There are the advantages such as control is simple, ironing result is good, failure rate is low.
The utility model embodiment also discloses a kind of paver comprising above-mentioned paver screed.Pass through number
Accurate control of the hydraulic control system to screed ontology posture makes screed attitude regulation realize complete vector quantization and number
Change, reduce debugging difficulty, shorten debugging cycle, while reducing requirement, long-time service of the paver to cleanliness of hydraulic oil
Adjustment system parameter is not needed, the accurate control to paver is realized, ensure that paver operation stability, extend use
Service life.
The above is only the preferred embodiment of the present invention, is not used to limit the scope of the utility model；
If not departing from the spirit and scope of the utility model, the utility model is modified or replaced equivalently, should all be covered
In the protection scope of the utility model claims.
Claims (9)
1. a kind of digital hydraulic control system of paver screed, which is characterized in that including Hydraulic power units, machine feedback
Formula digital servo cylinder, wherein
The Hydraulic power units drives the machine feedback formula digital servo cylinder movement；
The machine feedback formula digital servo cylinder controls the space bit of the screed adjustment mechanism of the paver screed
It sets.
2. the digital hydraulic control system of paver screed according to claim 1, which is characterized in that described mechanical anti-
Feedback formula digital servo cylinder includes digital servo valve, mechanical feedback mechanism and hydraulic cylinder, wherein the digital servo valve connection
And the hydraulic cylinder is driven, the mechanical feedback mechanism adjusts the digital servo according to the motion feedback of executing agency
Valve.
3. the digital hydraulic control system of paver screed according to claim 2, which is characterized in that the execution machine
Structure includes machine feedback formula digital servo cylinder and screed regulating mechanism.
4. the digital hydraulic control system of paver screed according to claim 2, which is characterized in that described mechanical anti-
Feedback formula digital servo cylinder further includes controller, and the controller connects and controls the digital servo valve.
5. the digital hydraulic control system of paver screed according to claim 3, which is characterized in that
The velocity of rotation of the motor of the digital servo valve and the mechanical feedback mechanism determine the speed of the hydraulic cylinder；
The rotational angle of the motor of the digital servo valve and the mechanical feedback mechanism determine the stroke of the hydraulic cylinder.
6. the digital hydraulic control system of paver screed according to claim 3, which is characterized in that described mechanical anti-
Presenting mechanism includes the direct feedback based on actuator shaft, and/or,
Indirect feedback based on executing agency's operation conditions.
7. the digital hydraulic control system of paver screed according to claim 1, which is characterized in that described mechanical anti-
Presenting mechanism includes one of screw rod, gear engagement, rack-and-pinion, chain, synchronous belt or a variety of.
8. a kind of paver screed, which is characterized in that including paver screed described in claim 1-7 any one
Digital hydraulic control system and screed ontology, the digital hydraulic control system control the screed ontology.
9. a kind of paver, which is characterized in that including paver screed according to any one of claims 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821490257.XU CN208803344U (en) | 2018-09-12 | 2018-09-12 | A kind of digital hydraulic control system, screed and paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821490257.XU CN208803344U (en) | 2018-09-12 | 2018-09-12 | A kind of digital hydraulic control system, screed and paver |
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| Publication Number | Publication Date |
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| CN208803344U true CN208803344U (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821490257.XU Active CN208803344U (en) | 2018-09-12 | 2018-09-12 | A kind of digital hydraulic control system, screed and paver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824147A (en) * | 2018-09-12 | 2018-11-16 | 北京亿美博科技有限公司 | A kind of digital hydraulic control system, screed and paver |
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2018
- 2018-09-12 CN CN201821490257.XU patent/CN208803344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824147A (en) * | 2018-09-12 | 2018-11-16 | 北京亿美博科技有限公司 | A kind of digital hydraulic control system, screed and paver |
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