CN205533484U - Hydraulic control system of tipper pneumatic cylinder for leveling - Google Patents
Hydraulic control system of tipper pneumatic cylinder for leveling Download PDFInfo
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- CN205533484U CN205533484U CN201620084204.2U CN201620084204U CN205533484U CN 205533484 U CN205533484 U CN 205533484U CN 201620084204 U CN201620084204 U CN 201620084204U CN 205533484 U CN205533484 U CN 205533484U
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- 239000002828 fuel tank Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model discloses a hydraulic control system of tipper pneumatic cylinder for leveling, including oil tank, hydraulic pump, a magenetic exchange valve, first guide's type check valve, second guide type check valve, third guide type check valve, first pneumatic cylinder, second pneumatic cylinder, oil tank and hydraulic pump oil inlet are linked together, and hydraulic pump oil -out and a magenetic exchange valve oil inlet feed through through the 2nd oil pipe with the oil tank through oil pipe intercommunication, a magenetic exchange valve oil return opening, install a pressure switch on the oil pipe of a magenetic exchange valve's first oil -out, still have the hydraulic control system of " sub vehicle frame leveling unit " when having the hydraulic control system of " saddle leveling unit ", possessed jack -up pneumatic cylinder saddle and sub vehicle frame mutually independent leveling function, solve the problem that lifts the type tipper and slope to lead to the fact the emergence of the incident of turning on one's side at the discharge in -process easily because of orientation about the vehicle.
Description
Technical field
The utility model belongs to technical field of hydraulic, particularly relates to the hydraulic control system of dumper leveling hydraulic cylinder.
Background technology
Lift type dumper is when unloading goods, owing to goods slip drop is bigger, it is thus desirable to unload under a stable state, but often due to tilt when some reasons cause vehicle parking and uneven, the reason such as goods on 1. vehicles is loading or in transportation, amesiality and cause the inclination in left and right vehicle wheel direction；2. the soft or hard degree on parking road surface is different, and soft side deflection is big, and hard side deflection is little, and the difference of deflection causes the inclination in left and right vehicle wheel direction；3. parking road surface self exists to tilt or because other objective restrictions cause parking rear vehicle in the inclination of left and right directions, if not having leveling system to continue unloading goods in the case of carrying out leveling in this imbalance easily to cause the rollover security incident of vehicle, cause not heavy losses yet.
Summary of the invention
The utility model is to solve lift type dumper easily to cause the generation of rollover security incident in Discharging Process because left and right vehicle wheel direction tilts, and proposes the hydraulic control system of a kind of dumper leveling hydraulic cylinder.
The utility model is adopted the technical scheme that by solving the problems referred to above:
nullThe hydraulic control system of dumper leveling hydraulic cylinder，Including fuel tank、Hydraulic pump and the first solenoid directional control valve、First type pilot check valve、Second type pilot check valve、3rd type pilot check valve、First hydraulic cylinder、Second hydraulic cylinder，Described fuel tank is connected with hydraulic pump oil-in，Hydraulic pump oil-out and the first solenoid directional control valve oil-in are connected by the first oil pipe，First solenoid directional control valve oil return opening is connected by the second oil pipe with fuel tank，First oil-out of described first solenoid directional control valve by oil pipe simultaneously with the oil-in of the first type pilot check valve、The oil-in of the second type pilot check valve、The remote control mouth of the 3rd type pilot check valve is connected，Second oil-out of described first solenoid directional control valve by oil pipe simultaneously with the first type pilot check valve far control mouth、Second type pilot check valve far control mouth、The oil-in of the 3rd type pilot check valve is connected；The oil-out of described first type pilot check valve is connected by the rodless cavity of the 3rd oil pipe and the first hydraulic cylinder, the oil-out of the second type pilot check valve is connected by the rodless cavity of the 4th oil pipe and the second hydraulic cylinder, the oil-out of described 3rd type pilot check valve is connected with rod chamber, the rod chamber of the second hydraulic cylinder of the first hydraulic cylinder by oil pipe simultaneously, is provided with the first pressure switch on the oil pipe of the first oil-out of the first solenoid directional control valve；
nullAlso include the first hydraulic locking cylinder system，Described first hydraulic locking cylinder system includes the second solenoid directional control valve、First pilot balance valve、Second pilot balance valve，The oil-in of described second solenoid directional control valve and the connection of the first oil pipe，The oil return opening of the second solenoid directional control valve and the connection of the second oil pipe，The oil-out of described first pilot balance valve and the remote control mouth of the second pilot balance valve are connected with the first oil-out of the second solenoid directional control valve after being connected again，The remote control mouth of described first pilot balance valve and the oil-out of the second pilot balance valve connect with the second oil-out of the second solenoid directional control valve after being connected again，The oil-in of described first pilot balance valve and the connection of the 3rd oil pipe，The oil-in of the second pilot balance valve and the connection of the 4th oil pipe，The first oil-out when described first solenoid directional control valve and the second solenoid directional control valve are 3-position 4-way type and are positioned at middle position、Second oil-out、Oil return opening connects.
Further, the oil pipe between the oil-out of the second oil pipe and the 3rd type pilot check valve is provided with the first overflow valve, the oil-in of described first overflow valve and the oil-out connection of the 3rd type pilot check valve, the oil-out of the first overflow valve and the connection of the second oil pipe.
Further, also include the 3rd solenoid directional control valve, 4th type pilot check valve, 5th type pilot check valve, 6th type pilot check valve, 3rd hydraulic cylinder, 4th hydraulic cylinder, 5th hydraulic cylinder, 6th hydraulic cylinder, the oil-in of described 3rd solenoid directional control valve and the connection of the first oil pipe, the oil return opening of the 3rd solenoid directional control valve and the connection of the second oil pipe, first oil-out of described 3rd solenoid directional control valve by oil pipe simultaneously with the oil-in of the 4th type pilot check valve, the oil-in of the 5th type pilot check valve, the remote control mouth of the 6th type pilot check valve is connected, second oil-out of described 3rd solenoid directional control valve by oil pipe simultaneously with the 4th type pilot check valve far control mouth, 5th type pilot check valve far control mouth, the oil-in of the 6th type pilot check valve is connected；The oil-out of described 4th type pilot check valve by the 5th oil pipe simultaneously with the rodless cavity of the 3rd hydraulic cylinder, the rodless cavity of the 4th hydraulic cylinder is connected, the oil-out of described 5th type pilot check valve by the 6th oil pipe simultaneously with the rodless cavity of the 5th hydraulic cylinder, the rodless cavity of the 6th hydraulic cylinder is connected, the oil-out of described 6th type pilot check valve by oil pipe simultaneously with the rod chamber of the 3rd hydraulic cylinder, the rod chamber of the 4th hydraulic cylinder, the rod chamber of the 5th hydraulic cylinder, the rod chamber of the 6th hydraulic cylinder is connected, 5th oil pipe is provided with the second pressure switch, 6th oil pipe is provided with the 3rd pressure switch；
nullAlso include the second hydraulic locking cylinder system，Described second hydraulic locking cylinder system includes the 4th solenoid directional control valve、3rd pilot balance valve、4th pilot balance valve，The oil-in of described 4th solenoid directional control valve and the connection of the first oil pipe，The oil return opening of the 4th solenoid directional control valve and the connection of the second oil pipe，The remote control mouth of the oil-out of described 3rd pilot balance valve and the 4th pilot balance valve be connected after again the first oil-out with the 4th solenoid directional control valve be connected，The remote control mouth of described 3rd pilot balance valve and the oil-out of the 4th pilot balance valve be connected after again the second oil-out with the 4th solenoid directional control valve connect，The oil-in of described 3rd pilot balance valve and the connection of the 5th oil pipe，The oil-in of the 4th pilot balance valve and the connection of the 6th oil pipe，The first oil-out when described 3rd solenoid directional control valve and the 4th solenoid directional control valve are 3-position 4-way type and are positioned at middle position、Second oil-out、Oil return opening connects.
Further, the oil pipe between the oil-out of the second oil pipe and the 6th type pilot check valve is provided with the second overflow valve, the oil-in of described second overflow valve and the oil-out connection of the 6th type pilot check valve, the oil-out of the second overflow valve and the connection of the second oil pipe.
Further, the 3rd overflow valve, the oil-in of described 3rd overflow valve and the connection of the first oil pipe, the oil-out of the 3rd overflow valve and the connection of the second oil pipe are installed between the first oil pipe and the second oil pipe.
Further, the oil-out end of the second oil pipe is provided with oil filter.
Also there is while the hydraulic control system that the had the beneficial effect that the utility model of the utility model has " saddle leveling unit " hydraulic control system of " subframe leveling unit ", possess the levelling function separate to jack-up hydraulic cylinder saddle and subframe, solved the problem that lift type dumper easily causes the generation of rollover security incident in Discharging Process because left and right vehicle wheel direction tilts.
Accompanying drawing explanation
Fig. 1 is the utility model hydraulic control system schematic diagram；
Fig. 2 is the structural representation of 3-position 4-way type solenoid directional control valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings the utility model is further described.
nullAs shown in Figure 1，The hydraulic control system of dumper leveling hydraulic cylinder，Including fuel tank 35、Hydraulic pump 1 and the first solenoid directional control valve 30、First type pilot check valve 10、Second type pilot check valve 11、3rd type pilot check valve 12、First hydraulic cylinder 6、Second hydraulic cylinder 7，Described fuel tank 35 is connected with hydraulic pump 1 oil-in，The oil inlet P of hydraulic pump 1 oil-out and the first solenoid directional control valve 30 is by the first oil pipe connection 2 connection，The oil return opening R of the first solenoid directional control valve 30 connects 3 connections with fuel tank 35 by the second oil pipe，First oil-out A of described first solenoid directional control valve 30 by oil pipe simultaneously with the oil-in of the first type pilot check valve 10、The oil-in of the second type pilot check valve 11、The remote control mouth of the 3rd type pilot check valve 12 is connected，Second oil-out B of described first solenoid directional control valve 30 by oil pipe simultaneously with the first type pilot check valve 10 far control mouth、Second type pilot check valve 11 far control mouth、The oil-in of the 3rd type pilot check valve 12 is connected；The oil-out of described first type pilot check valve 10 is connected with the rodless cavity of the first hydraulic cylinder 6 by the 3rd oil pipe 8, the oil-out of the second type pilot check valve 11 is connected with the rodless cavity of the second hydraulic cylinder 7 by the 4th oil pipe 9, and the oil-out of described 3rd type pilot check valve 12 is connected with rod chamber, the rod chamber of the second hydraulic cylinder 7 of the first hydraulic cylinder 6 by oil pipe simultaneously；In order to improve the first solenoid directional control valve 30 to the first hydraulic cylinder 6 and the mutual leveling efficiency of the second hydraulic cylinder 7, the oil pipe of the interface (A) of the first solenoid directional control valve 30 is provided with the first pressure switch 31.In order to improve the reliability that the 3rd type pilot check valve 12 is reversely opened, on oil pipe between the second oil pipe 3 and the oil-out of the 3rd type pilot check valve 12, the first overflow valve 29 can also be installed, the oil-in of described first overflow valve 29 and the oil-out connection of the 3rd type pilot check valve 12, oil-out and second oil pipe 3 of the first overflow valve 29 connect.
nullAlso include the first hydraulic locking cylinder system，Described first hydraulic locking cylinder system includes the second solenoid directional control valve 4、First pilot balance valve 5、Second pilot balance valve 32，The oil inlet P of described second solenoid directional control valve 4 connects with the first oil pipe 2，Oil return opening R and second oil pipe 3 of the second solenoid directional control valve 4 connect，The oil-out of described first pilot balance valve 4 and the remote control mouth of the second pilot balance valve 32 are connected with the first oil-out A of the second solenoid directional control valve 4 after being connected again，The remote control mouth of described first pilot balance valve 5 and the oil-out of the second pilot balance valve 32 connect with the second oil-out B of the second solenoid directional control valve 4 after being connected again，Oil-in and the 3rd oil pipe 8 of described first pilot balance valve 5 connect，Oil-in and the 4th oil pipe 9 of the second pilot balance valve 32 connect，The first oil-out A when described first solenoid directional control valve 30 and the second solenoid directional control valve 4 are 3-position 4-way type and are positioned at middle position、Second oil-out B、Oil return opening R connects.
First hydraulic locking cylinder system not only has good sealing, the piston rod long locking positioning action to the first hydraulic cylinder 6 and the second hydraulic cylinder 7 can also be played, and the openings of sizes of balanced valve valve port can adapt to the different loads requirement to back-pressure automatically, it is ensured that the stability change the most loaded impact of piston rod stretching speed.
During use, the first hydraulic cylinder 6 and the second hydraulic cylinder 7 are separately mounted to the both sides of the jack-up hydraulic cylinder saddle of dumper, the jack-up hydraulic cylinder saddle of dumper is carried out leveling, by this leveling system referred to as " saddle leveling unit ".
Further, more steady in order to make when unloading, while the saddle of dumper is carried out leveling, subframe leveling hydraulic control system can also be increased on the basis of " saddle leveling unit ", vehicle frame below is carried out leveling, subframe leveling hydraulic control system is referred to as " subframe leveling unit ", thus composition has " saddle leveling unit " and the hydraulic control system of " subframe leveling unit ".
nullAs shown in Figure 1，The 3rd solenoid directional control valve 28 is also included on the basis of above-mentioned control system、4th type pilot check valve 23、5th type pilot check valve 24、6th type pilot check valve 25、3rd hydraulic cylinder 17、4th hydraulic cylinder 18、5th hydraulic cylinder 19、6th hydraulic cylinder 20，The oil inlet P of described 3rd solenoid directional control valve 28 connects with the first oil pipe 2，Oil return opening R and second oil pipe 3 of the 3rd solenoid directional control valve 28 connect，First oil-out A of described 3rd solenoid directional control valve 28 by oil pipe simultaneously with the oil-in of the 4th type pilot check valve 23、The oil-in of the 5th type pilot check valve 24、The remote control mouth of the 6th type pilot check valve 25 is connected，Second oil-out B of described 3rd solenoid directional control valve 28 by oil pipe simultaneously with the 4th type pilot check valve 23 far control mouth、5th type pilot check valve 24 far control mouth、The oil-in of the 6th type pilot check valve 25 is connected；The oil-out of described 4th type pilot check valve 23 is connected with rodless cavity, the rodless cavity of the 4th hydraulic cylinder 18 of the 3rd hydraulic cylinder 17 by the 5th oil pipe 21 simultaneously, the oil-out of described 5th type pilot check valve 24 is connected with rodless cavity, the rodless cavity of the 6th hydraulic cylinder 20 of the 5th hydraulic cylinder 19 by the 6th oil pipe 22 simultaneously, and the oil-out of described 6th type pilot check valve 25 is connected by rod chamber with the 3rd hydraulic cylinder 17, the rod chamber of the 4th hydraulic cylinder 18, the rod chamber of the 5th hydraulic cylinder 19, the rod chamber of the 6th hydraulic cylinder 20 while of oil pipe；5th oil pipe 21 is provided with the second pressure switch 15, the 6th oil pipe 22 is provided with the 3rd pressure switch 16.In order to improve the reliability that the 6th type pilot check valve 25 is reversely opened, on the oil pipe between the second oil pipe 3 and the oil-out of the 6th type pilot check valve 25, second overflow valve 27 can also be installed, the oil-in of described second overflow valve 27 and the oil-out connection of the 6th type pilot check valve 25, oil-out and second oil pipe 3 of the second overflow valve 27 connect.
nullAlso include the second hydraulic locking cylinder system，Described second hydraulic locking cylinder system includes the 4th solenoid directional control valve 13、3rd pilot balance valve 14、4th pilot balance valve 26，The oil inlet P of described 4th solenoid directional control valve 13 connects with the first oil pipe 2，Oil return opening R and second oil pipe 3 of the 4th solenoid directional control valve 13 connect，The oil-out of described 3rd pilot balance valve 14 and the remote control mouth of the 4th pilot balance valve 26 are connected with the first oil-out A of the 4th solenoid directional control valve 13 after being connected again，The remote control mouth of described 3rd pilot balance valve 14 and the oil-out of the 4th pilot balance valve 26 connect with the second oil-out B of the 4th solenoid directional control valve 13 after being connected again，Oil-in and the 5th oil pipe 21 of described 3rd pilot balance valve 14 connect，Oil-in and the 6th oil pipe 22 of the 4th pilot balance valve 26 connect，The first oil-out A when described 3rd solenoid directional control valve 28 and the 4th solenoid directional control valve 13 are 3-position 4-way type and are positioned at middle position、Second oil-out B、Oil return opening R connects.
Second hydraulic locking cylinder system not only has good sealing, the piston rod long locking positioning action to the 3rd hydraulic cylinder the 17, the 4th hydraulic cylinder the 18, the 5th hydraulic cylinder the 19, the 6th hydraulic cylinder 20 can also be played, and the openings of sizes of balanced valve valve port can adapt to the different loads requirement to back-pressure automatically, it is ensured that the stability change the most loaded impact of piston rod decrease speed.
In order to prevent leveling system to transship, between the first oil pipe 2 and the second oil pipe 3, the 3rd overflow valve 33 is installed, oil-in and first oil pipe 2 of described 3rd overflow valve 33 connect, and oil-out and second oil pipe 3 of the 3rd overflow valve 33 connect, and are provided with oil filter 34 in the oil-out end of the second oil pipe 3.
As in figure 2 it is shown, the first oil-out A, the second oil-out B, oil return opening R when first solenoid directional control valve the 30, second solenoid directional control valve the 4, the 3rd solenoid directional control valve the 28, the 4th solenoid directional control valve 13 described in the utility model is 3-position 4-way type and is positioned at middle position connect.
During use, the 3rd hydraulic cylinder 17 and the 4th hydraulic cylinder 18 are arranged on the main longitudinal grider directly over the leaf spring of left side subframe, the 5th hydraulic cylinder 19 and the 6th hydraulic cylinder 20 are arranged on the main longitudinal grider directly over the leaf spring of right side subframe.
Wherein " saddle leveling unit " is that two are that can work independently from each other and its hydraulic principle is identical with " subframe leveling unit ", now illustrates that its course of work is as follows as a example by " subframe leveling unit ":
After car comes to a complete stop, it is arranged on trip shaft center, compartment and the dip angle signal in compartment is passed to programmable logic controller (PLC) PLC by the RC obliquity sensor of saddle, if the inclination angle in compartment is within the scope of ± 5 °, with the front orientation of car as reference, on the left of compartment, low right side high dip angle is shown as negative value, on the contrary be on the occasion of.When inclination angle is negative value, programmable logic controller (PLC) PLC sends instruction and controls the 3rd solenoid directional control valve 28 and move right and be positioned at left position, when the second pressure switch 15 or the 3rd pressure switch 16 pressure reach 3Mpa, think the 3rd hydraulic cylinder 17, 4th hydraulic cylinder 18, 5th hydraulic cylinder 19, the piston rod of the 6th hydraulic cylinder 20 has pushed up spring block, then the 3rd solenoid directional control valve 28 returns to middle position, now, 4th solenoid directional control valve 13 is controlled by programmable logic controller (PLC) PLC according to the signal of obliquity sensor, 4th solenoid directional control valve 13 is positioned at left position or right position and vehicle frame is carried out left and right leveling, compartment is remained, and inclination angle is within ± 0.5 °.When goods completion of discharge, the 4th solenoid directional control valve 13 is positioned at middle position, and the 3rd solenoid directional control valve 28 is positioned at right position, and when the force value of the second pressure switch 15 or the 3rd pressure switch 16 rises to 5Mpa, leveling system is closed.
Claims (6)
- null1. the hydraulic control system of dumper leveling hydraulic cylinder，It is characterized in that，Including fuel tank、Hydraulic pump、First solenoid directional control valve、First type pilot check valve、Second type pilot check valve、3rd type pilot check valve、First hydraulic cylinder、Second hydraulic cylinder，Described fuel tank is connected with hydraulic pump oil-in，Hydraulic pump oil-out and the first solenoid directional control valve oil-in are connected by the first oil pipe，First solenoid directional control valve oil return opening is connected by the second oil pipe with fuel tank，First oil-out of described first solenoid directional control valve by oil pipe simultaneously with the oil-in of the first type pilot check valve、The oil-in of the second type pilot check valve、The remote control mouth of the 3rd type pilot check valve is connected，Second oil-out of described first solenoid directional control valve by oil pipe simultaneously with the first type pilot check valve far control mouth、Second type pilot check valve far control mouth、The oil-in of the 3rd type pilot check valve is connected；The oil-out of described first type pilot check valve is connected by the rodless cavity of the 3rd oil pipe and the first hydraulic cylinder, the oil-out of the second type pilot check valve is connected by the rodless cavity of the 4th oil pipe and the second hydraulic cylinder, the oil-out of described 3rd type pilot check valve is connected with rod chamber, the rod chamber of the second hydraulic cylinder of the first hydraulic cylinder by oil pipe simultaneously, is provided with the first pressure switch on the oil pipe of the first oil-out of the first solenoid directional control valve；nullAlso include the first hydraulic locking cylinder system，Described first hydraulic locking cylinder system includes the second solenoid directional control valve、First pilot balance valve、Second pilot balance valve，The oil-in of described second solenoid directional control valve and the connection of the first oil pipe，The oil return opening of the second solenoid directional control valve and the connection of the second oil pipe，The oil-out of described first pilot balance valve and the remote control mouth of the second pilot balance valve are connected with the first oil-out of the second solenoid directional control valve after being connected again，The remote control mouth of described first pilot balance valve and the oil-out of the second pilot balance valve connect with the second oil-out of the second solenoid directional control valve after being connected again，The oil-in of described first pilot balance valve and the connection of the 3rd oil pipe，The oil-in of the second pilot balance valve and the connection of the 4th oil pipe，The first oil-out when described first solenoid directional control valve and the second solenoid directional control valve are 3-position 4-way type and are positioned at middle position、Second oil-out、Oil return opening connects.
- The hydraulic control system of dumper leveling hydraulic cylinder the most according to claim 1, it is characterized in that, on oil pipe between the oil-out of the second oil pipe and the 3rd type pilot check valve, the first overflow valve is installed, the oil-in of described first overflow valve and the oil-out connection of the 3rd type pilot check valve, the oil-out of the first overflow valve and the connection of the second oil pipe.
- nullThe hydraulic control system of dumper leveling hydraulic cylinder the most according to claim 1，It is characterized in that，Also include the 3rd solenoid directional control valve、4th type pilot check valve、5th type pilot check valve、6th type pilot check valve、3rd hydraulic cylinder、4th hydraulic cylinder、5th hydraulic cylinder、6th hydraulic cylinder，The oil-in of described 3rd solenoid directional control valve and the connection of the first oil pipe，The oil return opening of the 3rd solenoid directional control valve and the connection of the second oil pipe，First oil-out of described 3rd solenoid directional control valve by oil pipe simultaneously with the oil-in of the 4th type pilot check valve、The oil-in of the 5th type pilot check valve、The remote control mouth of the 6th type pilot check valve is connected，Second oil-out of described 3rd solenoid directional control valve by oil pipe simultaneously with the 4th type pilot check valve far control mouth、5th type pilot check valve far control mouth、The oil-in of the 6th type pilot check valve is connected；The oil-out of described 4th type pilot check valve by the 5th oil pipe simultaneously with the rodless cavity of the 3rd hydraulic cylinder, the rodless cavity of the 4th hydraulic cylinder is connected, the oil-out of described 5th type pilot check valve by the 6th oil pipe simultaneously with the rodless cavity of the 5th hydraulic cylinder, the rodless cavity of the 6th hydraulic cylinder is connected, the oil-out of described 6th type pilot check valve by oil pipe simultaneously with the rod chamber of the 3rd hydraulic cylinder, the rod chamber of the 4th hydraulic cylinder, the rod chamber of the 5th hydraulic cylinder, the rod chamber of the 6th hydraulic cylinder is connected, 5th oil pipe is provided with the second pressure switch, 6th oil pipe is provided with the 3rd pressure switch；nullAlso include the second hydraulic locking cylinder system，Described second hydraulic locking cylinder system includes the 4th solenoid directional control valve、3rd pilot balance valve、4th pilot balance valve，The oil-in of described 4th solenoid directional control valve and the connection of the first oil pipe，The oil return opening of the 4th solenoid directional control valve and the connection of the second oil pipe，The remote control mouth of the oil-out of described 3rd pilot balance valve and the 4th pilot balance valve be connected after again the first oil-out with the 4th solenoid directional control valve be connected，The remote control mouth of described 3rd pilot balance valve and the oil-out of the 4th pilot balance valve be connected after again the second oil-out with the 4th solenoid directional control valve connect，The oil-in of described 3rd pilot balance valve and the connection of the 5th oil pipe，The oil-in of the 4th pilot balance valve and the connection of the 6th oil pipe，The first oil-out when described 3rd solenoid directional control valve and the 4th solenoid directional control valve are 3-position 4-way type and are positioned at middle position、Second oil-out、Oil return opening connects.
- The hydraulic control system of dumper leveling hydraulic cylinder the most according to claim 3, it is characterized in that, on oil pipe between the oil-out of the second oil pipe and the 6th type pilot check valve, the second overflow valve is installed, the oil-in of described second overflow valve and the oil-out connection of the 6th type pilot check valve, the oil-out of the second overflow valve and the connection of the second oil pipe.
- 5. according to the hydraulic control system of the dumper leveling hydraulic cylinder described in claim 3 or 4, it is characterized in that, 3rd overflow valve, the oil-in of described 3rd overflow valve and the connection of the first oil pipe, the oil-out of the 3rd overflow valve and the connection of the second oil pipe are installed between the first oil pipe and the second oil pipe.
- 6. according to the hydraulic control system of the dumper leveling hydraulic cylinder described in claim 3 or 4, it is characterised in that the oil-out end of the second oil pipe is provided with oil filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620084204.2U CN205533484U (en) | 2016-01-28 | 2016-01-28 | Hydraulic control system of tipper pneumatic cylinder for leveling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620084204.2U CN205533484U (en) | 2016-01-28 | 2016-01-28 | Hydraulic control system of tipper pneumatic cylinder for leveling |
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| CN205533484U true CN205533484U (en) | 2016-08-31 |
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| CN201620084204.2U Active CN205533484U (en) | 2016-01-28 | 2016-01-28 | Hydraulic control system of tipper pneumatic cylinder for leveling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545836A (en) * | 2016-01-28 | 2016-05-04 | 河南骏通车辆有限公司 | Subframe leveling hydraulic control system for leveling of dumper |
| CN108005974A (en) * | 2017-12-27 | 2018-05-08 | 中船重工中南装备有限责任公司 | The crawler belt levelling control system and adjustment control method of a kind of drill carriage |
| CN108843633A (en) * | 2018-07-13 | 2018-11-20 | 北京航天发射技术研究所 | A kind of the automatically lock leveling system and method for vehicle |
| CN109812470A (en) * | 2019-03-29 | 2019-05-28 | 中铁工程装备集团有限公司 | Mating trailer wheels are to hydraulic control system after a kind of shield machine |
-
2016
- 2016-01-28 CN CN201620084204.2U patent/CN205533484U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545836A (en) * | 2016-01-28 | 2016-05-04 | 河南骏通车辆有限公司 | Subframe leveling hydraulic control system for leveling of dumper |
| CN108005974A (en) * | 2017-12-27 | 2018-05-08 | 中船重工中南装备有限责任公司 | The crawler belt levelling control system and adjustment control method of a kind of drill carriage |
| CN108005974B (en) * | 2017-12-27 | 2023-06-30 | 中船重工中南装备有限责任公司 | Crawler belt leveling control system and adjustment control method of drill carriage |
| CN108843633A (en) * | 2018-07-13 | 2018-11-20 | 北京航天发射技术研究所 | A kind of the automatically lock leveling system and method for vehicle |
| CN109812470A (en) * | 2019-03-29 | 2019-05-28 | 中铁工程装备集团有限公司 | Mating trailer wheels are to hydraulic control system after a kind of shield machine |
| CN109812470B (en) * | 2019-03-29 | 2024-01-19 | 中铁工程装备集团有限公司 | Hydraulic control system for rear matched trailer wheel pair of shield tunneling machine |
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Denomination of utility model: Hydraulic Control System of Hydraulic Cylinder for Leveling of Dump Truck Effective date of registration: 20231019 Granted publication date: 20160831 Pledgee: Bank of China Limited Sanmenxia Hubin Branch Pledgor: HENAN JUNTONG VEHICLE Co.,Ltd. Registration number: Y2023980061856 |
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