CN105544358A - Vibratory roller hydraulic system - Google Patents
Vibratory roller hydraulic system Download PDFInfo
- Publication number
- CN105544358A CN105544358A CN201510886529.2A CN201510886529A CN105544358A CN 105544358 A CN105544358 A CN 105544358A CN 201510886529 A CN201510886529 A CN 201510886529A CN 105544358 A CN105544358 A CN 105544358A
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- China
- Prior art keywords
- hydraulic
- steering
- control valve
- oscillation control
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
Abstract
The invention discloses a vibratory roller hydraulic system, which includes a hydraulic vibration circuit and a hydraulic steering circuit. The hydraulic vibration circuit and the hydraulic steering circuit are driven by double gear pumps respectively; the hydraulic vibration circuit includes a vibration gear pump, a cooler, a start oscillation control valve, and a hydraulic motor. The hydraulic steering circuit comprises a steering gear pump, a steering valve, and a steering oil cylinder. The double gear pumps are respectively connected to the start oscillation control valve and the steering valve. One path of an oil cylinder is connected to the hydraulic motor through the cooler, the start oscillation control valve is in connection with the hydraulic motor, and the hydraulic motor is connected to a vibratory wheel. The other way of the oil cylinder is connected to the steering valve and the steering oil cylinder in order, and the steering oil cylinder is in connection with a vibratory wheel stand. The vibratory wheel and a vibratory shaft undergo rotary motion separately without mutual interference. When the start oscillation control valve is at an off-position, a road roller can be used for static road rolling, thus enlarging the application range of the road roller.
Description
Technical field
The present invention relates to a kind of vibratory roller hydraulic system, belong to hydraulic system technical field.
Background technology
At present, the light face muller of vibratory roller doubles as vibrating wheels, utilize the vibration that the frequency produced with the vibrating device of vibrating wheels axle center bias is 1000-3000 time/min, make it close to the natural frequency being compacted material and cause the resonance of compacting material, frictional force between soil particle is declined greatly, and fill up void among particles, increase the compactness of soil and reach the object of compacting.
Summary of the invention
Object: in order to overcome the deficiencies in the prior art, the invention provides a kind of vibratory roller hydraulic system.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of vibratory roller hydraulic system, it is characterized in that: comprise hydraulic vibration loop and hydraulic steering circui, described hydraulic vibration loop and hydraulic steering circui are driven respectively by duplex gear pump;
Hydraulic vibration loop involving vibrations gear pump, cooler, starting of oscillation control valve, hydraulic motor,
Hydraulic steering circui comprises steering gear pump, switching valve, steering cylinder; Duplex gear pump is connected with switching valve with starting of oscillation control valve respectively,
Described fuel tank is leaded up to cooler and is communicated with hydraulic motor, and starting of oscillation control valve is connected with hydraulic motor; Described hydraulic motor is connected with vibrating wheels;
Another road of described fuel tank connects switching valve and steering cylinder successively, and steering cylinder is connected with vibration wheel carrier.
Described vibratory roller hydraulic system, is characterized in that: described starting of oscillation control valve is bi-bit bi-pass hand control valve.
Preferably, described vibratory roller hydraulic system, is characterized in that: described starting of oscillation control valve is also connected with safety valve.
Preferably, described vibratory roller hydraulic system, is characterized in that: described switching valve is also connected with safety valve.
Preferably, described vibratory roller hydraulic system, is characterized in that: also comprise motor and auxiliary transmission, and described motor is connected with duplex gear pump by auxiliary transmission.
Beneficial effect: vibratory roller hydraulic system provided by the invention, the rotary motion of vibrating wheels and vibrating shaft is independently carried out separately, non-interference, vibrating wheels is driven pulley, during starting of oscillation control valve open position, road roller can be done static pressure road and use, and expands the scope of application of road roller.When the hydraulic vibration circuit system pressure of safety valve restriction is more than 18-19MPa, safety valve is opened automatically, off-load, ensures loop safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: motor 1, auxiliary transmission 2, fuel tank 3, duplex gear pump 4, cooler 5, starting of oscillation control valve 6, safety valve 7, hydraulic motor 8, vibrating wheels 9, vibration wheel carrier 10, steering cylinder 11, switching valve 12, safety valve 13.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described.
As shown in Figure 1, a kind of vibratory roller hydraulic system, comprise motor 1, auxiliary transmission 2, fuel tank 3, duplex gear pump 4, cooler 5, starting of oscillation control valve 6, safety valve 7, hydraulic motor 8, vibrating wheels 9, vibration wheel carrier 10, steering cylinder 11, switching valve 12, safety valve 13
Whole system comprises hydraulic vibration loop and hydraulic steering circui, and described hydraulic vibration loop and hydraulic steering circui are driven respectively by duplex gear pump 4;
Hydraulic vibration loop involving vibrations gear pump, cooler 5, starting of oscillation control valve 6, hydraulic motor 8,
Hydraulic steering circui comprises steering gear pump, switching valve 12, steering cylinder 11; Duplex gear pump 4 is connected with switching valve 12 with starting of oscillation control valve 6 respectively,
Described fuel tank 3 is leaded up to cooler 5 and is communicated with hydraulic motor 8, and starting of oscillation control valve 6 is connected with hydraulic motor 8; Described hydraulic motor 8 is connected with vibrating wheels 9;
Described another road of fuel tank 3 connects switching valve 12, steering cylinder 11 successively, and steering cylinder 11 is connected with vibration wheel carrier 10.
Preferably, described vibratory roller hydraulic system, is characterized in that: described starting of oscillation control valve 6 is bi-bit bi-pass hand control valve.Preferably, described vibratory roller hydraulic system, is characterized in that: described starting of oscillation control valve 6 is also connected with safety valve 7.When the hydraulic vibration circuit system pressure of safety valve restriction is more than 18-19MPa, safety valve is opened automatically, off-load, ensures loop safety.
Preferably, described vibratory roller hydraulic system, is characterized in that: described switching valve 12 is also connected with safety valve 13.
Described vibratory roller hydraulic system, is characterized in that: also comprise motor 1 and auxiliary transmission 2, and described motor 1 is connected with duplex gear pump 4 by auxiliary transmission 2.
The course of work of the present invention is as follows: when starting of oscillation control valve 6 is placed in "off" position, road roller can be done static pressure road and use, and when starting of oscillation control valve 6 is placed in " connection " position, the hydraulic motor 8 i.e. vibrating shaft of rotating band eccentric block rotates starting of oscillation, produce exciting force, just can carry out vibratory compaction.
The rotary motion of vibrating wheels and vibrating shaft is independently carried out separately, non-interference, and vibrating wheels is driven pulley, and during starting of oscillation control valve 6 "off" position, road roller can be done static pressure road and use, and expands the scope of application of road roller.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a vibratory roller hydraulic system, is characterized in that: comprise hydraulic vibration loop and hydraulic steering circui, and described hydraulic vibration loop and hydraulic steering circui are driven respectively by duplex gear pump;
Hydraulic vibration loop involving vibrations gear pump, cooler, starting of oscillation control valve, hydraulic motor,
Hydraulic steering circui comprises steering gear pump, switching valve, steering cylinder; Duplex gear pump is connected with switching valve with starting of oscillation control valve respectively,
Described fuel tank is leaded up to cooler and is communicated with hydraulic motor, and starting of oscillation control valve is connected with hydraulic motor; Described hydraulic motor is connected with vibrating wheels;
Another road of described fuel tank connects switching valve and steering cylinder successively, and steering cylinder is connected with vibration wheel carrier.
2. vibratory roller hydraulic system according to claim 1, is characterized in that: described starting of oscillation control valve is bi-bit bi-pass hand control valve.
3. vibratory roller hydraulic system according to claim 1, is characterized in that: described starting of oscillation control valve is also connected with safety valve.
4. vibratory roller hydraulic system according to claim 1, is characterized in that: described switching valve is also connected with safety valve.
5. vibratory roller hydraulic system according to claim 1, it is characterized in that: also comprise motor and auxiliary transmission, described motor is connected with duplex gear pump by auxiliary transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886529.2A CN105544358A (en) | 2015-12-07 | 2015-12-07 | Vibratory roller hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886529.2A CN105544358A (en) | 2015-12-07 | 2015-12-07 | Vibratory roller hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105544358A true CN105544358A (en) | 2016-05-04 |
Family
ID=55823891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886529.2A Pending CN105544358A (en) | 2015-12-07 | 2015-12-07 | Vibratory roller hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105544358A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2880896Y (en) * | 2006-04-18 | 2007-03-21 | 江苏骏马压路机械有限公司 | Hydraulic system of hydraulic road roller |
| CN201031346Y (en) * | 2007-01-19 | 2008-03-05 | 江苏骏马压路机械有限公司 | Trinity hydraulic system of hydraulic road roller |
| CN202688829U (en) * | 2012-08-07 | 2013-01-23 | 中联重科股份有限公司 | Hydraulic control system of double-drum vibratory roller |
| CN203362684U (en) * | 2013-07-30 | 2013-12-25 | 玛狮工程机械（合肥）有限公司 | Vibrating steering hydraulic system for double-drum road roller |
| WO2015034499A1 (en) * | 2013-09-05 | 2015-03-12 | Volvo Construction Equipment Ab | Hydrostatic transmission for construction vehicle |
| CN205171333U (en) * | 2015-12-07 | 2016-04-20 | 苏州广硕精密电子有限公司 | Vibrated roller hydraulic system |
-
2015
- 2015-12-07 CN CN201510886529.2A patent/CN105544358A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2880896Y (en) * | 2006-04-18 | 2007-03-21 | 江苏骏马压路机械有限公司 | Hydraulic system of hydraulic road roller |
| CN201031346Y (en) * | 2007-01-19 | 2008-03-05 | 江苏骏马压路机械有限公司 | Trinity hydraulic system of hydraulic road roller |
| CN202688829U (en) * | 2012-08-07 | 2013-01-23 | 中联重科股份有限公司 | Hydraulic control system of double-drum vibratory roller |
| CN203362684U (en) * | 2013-07-30 | 2013-12-25 | 玛狮工程机械（合肥）有限公司 | Vibrating steering hydraulic system for double-drum road roller |
| WO2015034499A1 (en) * | 2013-09-05 | 2015-03-12 | Volvo Construction Equipment Ab | Hydrostatic transmission for construction vehicle |
| CN205171333U (en) * | 2015-12-07 | 2016-04-20 | 苏州广硕精密电子有限公司 | Vibrated roller hydraulic system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |