CN203110930U - Power coupler oil feeding control system of oil-liquid hybrid power concrete mixer - Google Patents
Power coupler oil feeding control system of oil-liquid hybrid power concrete mixer Download PDFInfo
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- CN203110930U CN203110930U CN 201220739827 CN201220739827U CN203110930U CN 203110930 U CN203110930 U CN 203110930U CN 201220739827 CN201220739827 CN 201220739827 CN 201220739827 U CN201220739827 U CN 201220739827U CN 203110930 U CN203110930 U CN 203110930U
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Abstract
The utility model discloses a power coupler oil feeding control system of an oil-liquid hybrid power concrete mixer, which belongs to the technical field of hydraulics and is characterized in that a motor (1), a power takeoff (2), a closed variable pump (3), a guide pump (4) and an oil feeding pump (5) are connected in sequence; oil ports A and B of the closed variable pump (3) are connected with oil ports A and B of a closed system hydraulic motor (12), the guide pump (4) and the oil feeding pump (5) are integrated into a through shaft-driven dual linkage pump, an oil sucking port of the oil feeding pump (5) is connected with an oil sucking filter (11), and a pressure oil port of the oil feeding pump (5) is connected with an oil inlet of a check valve (6) of which the oil outlet is communicated with the oil inlet of an overflowing valve (8), the oil inlet of a reducing valve (9) and the P port of a two-position three-way solenoid reversing valve (7). The power coupler oil feeding control system of the oil-liquid hybrid power concrete mixer has the advantages of greatly improving the integration level of a whole hydraulic system, lowering system failure rate and carrying away a large amount of heat.
Description
Technical field
The utility model relates to a kind of oil-liquid hybrid electric mixermobile, specifically is a kind of power coupler fuel feeding control system of oil-liquid hybrid electric mixermobile.
Background technology
The oil-liquid hybrid electric technology is applied to engineering machinery field just more and more owing to can reduce consumption of fuel and the exhaust emission of vehicle significantly.Power coupler is as the Poewr transmission mechanism of oil-liquid hybrid electric system, when energy reclaims, the inertia kinetic energy of vehicle to run or the gravitional force of mechanism's decline are passed to hydraulic pump motor, the energy that when energy discharges hydraulic pump motor is passed over is transported to transmission shaft, drives vehicle to run.The serviceability of power coupler plays crucial effects to the performance of whole oil-liquid hybrid electric system.The inner integrated liquid clutch of power coupler, power-transfer clutch disconnects when not needing the oil-liquid hybrid electric hydraulic work system, power-transfer clutch combination in needs oil-liquid hybrid electric hydraulic work system, recovery or the release of beginning car load energy.Therefore, power coupler need provide one independently feed apparatus be used for driving the actuating unit of power-transfer clutch; The long-time running of power coupler must cause the heating problem of power-transfer clutch and casing in addition, and therefore, this control system also needs to play effect lubricated and heat radiation to power coupler.
The form that present oil-liquid hybrid electric system adopts DC machine to add gear type pump usually provides control oil and lubricating oil for power coupler.Under this fuel feeding form, DC machine need be introduced the running of power supply driven gear pump from complete machine.Because starting current is bigger, the power of the instantaneous consumption of DC machine is higher, to the normal operation generation certain influence of other circuit of complete machine.In addition, because the spread of voltage of vehicle power, DC machine can't be operated under the rated voltage always, therefore the reliability of DC machine is relatively poor, this has increased the fault rate of whole fuel-feed system, influence the normal adhesive of liquid clutch and the lubricated heat radiation of power coupler, and then had influence on the normal operation of whole oil-liquid hybrid electric system.
Summary of the invention
Problem at above-mentioned prior art existence, the utility model provides a kind of power coupler fuel feeding control system of oil-liquid hybrid electric mixermobile, both the power coupler for the oil-liquid hybrid electric mixermobile provided clutch control oil, also provided the Pulvis Emolliens deep fat for power-transfer clutch and casing.
To achieve these goals, the technical solution adopted in the utility model is: a kind of power coupler fuel feeding control system of oil-liquid hybrid electric mixermobile comprises driving engine, power takeoff, enclosed controllable capacity pump, pioneer pump, oil feed pump, check valve, two-bit triplet solenoid directional control valve, by pass valve, reducing valve, power coupler, oil suction filter and closed system HM Hydraulic Motor; Driving engine, power takeoff, the enclosed controllable capacity pump, pioneer pump is connected successively with oil feed pump, the A of enclosed controllable capacity pump, the A of B hydraulic fluid port and closed system HM Hydraulic Motor, the B hydraulic fluid port connects, pioneer pump and oil feed pump are integrated into the twin pump that an axis drives, the oil suction filter is installed in the bottom of power coupler, the oil suction of oil feed pump is connected with the oil suction filter, the pressure hydraulic fluid port of oil feed pump is connected with the oil inlet of check valve, the oil outlet of check valve respectively with the oil inlet of by pass valve, the P mouth of the oil inlet of reducing valve and two-bit triplet solenoid directional control valve is communicated with, the T mouth of two-bit triplet solenoid directional control valve, the return opening of by pass valve is connected and together is connected to the top return opening of power coupler with the drain tap of reducing valve, the A mouth of two-bit triplet solenoid directional control valve is connected with the clutch control hydraulic fluid port of power coupler, and the oil outlet of reducing valve is connected with the clutch lubrication hydraulic fluid port of power coupler.
The enclosed controllable capacity pump is a kind of axis driving pump, and pioneer pump is integrated into a twin pump with oil feed pump and is connected with the enclosed controllable capacity pump.
Check valve, two-bit triplet solenoid directional control valve, by pass valve and reducing valve are integrated into superposing type valve piece or cartridge valve piece.
Compare with existing system, the utility model is by the original closed fhdraulic system of repacking Mixer Truck, the twin pump that the integrated processing of oil feed pump of the pioneer pump of oil-liquid hybrid electric hydraulic efficiency pressure system and power coupler is as a whole, and it is linked to each other with the enclosed controllable capacity pump, thereby take the power of driving engine indirectly, for power coupler provides stable control oil and lubricating oil.Can change the pressure size of control oil and lubricating oil at any time by the spring force of regulating by pass valve and reducing valve; Improve the integrated level of complete machine hydraulic efficiency pressure system greatly, reduced system failure rate; Power coupler is both as the power transmission mechanism, is again a special fuel tank simultaneously, internal reservoir a certain amount of hydraulic transmission oil; Hydraulic transmission oil is realized continual circulation between oil feed pump and power coupler, taken away a large amount of heats, has realized the heat radiation of power coupler casing.
Description of drawings
Fig. 1 is the utility model hydraulic schematic diagram.
Among the figure: 1, driving engine, 2, power takeoff, 3, the enclosed controllable capacity pump, 4, pioneer pump, 5, oil feed pump, 6, check valve, 7, the two-bit triplet solenoid directional control valve, 8, by pass valve, 9, reducing valve, 10, power coupler, 11, the oil suction filter, 12, the closed system HM Hydraulic Motor.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the power coupler fuel feeding control system of a kind of oil-liquid hybrid electric mixermobile of the utility model comprises driving engine 1, power takeoff 2, enclosed controllable capacity pump 3, pioneer pump 4, oil feed pump 5, check valve 6, two-bit triplet solenoid directional control valve 7, by pass valve 8, reducing valve 9, power coupler 10, oil suction filter 11 and closed system HM Hydraulic Motor 12; Driving engine 1, power takeoff 2, enclosed controllable capacity pump 3, pioneer pump 4 is connected successively with oil feed pump 5, the A of enclosed controllable capacity pump 3, the A of B hydraulic fluid port and closed system HM Hydraulic Motor 12, the B hydraulic fluid port connects, pioneer pump 4 and oil feed pump 5 are integrated into the twin pump that an axis drives, oil suction filter 11 is installed in the bottom of power coupler 10, the oil suction of oil feed pump 5 is connected with oil suction filter 11, the pressure hydraulic fluid port of oil feed pump 5 is connected with the oil inlet of check valve 6, the oil outlet of check valve 6 respectively with the oil inlet of by pass valve 8, the P mouth of the oil inlet of reducing valve 9 and two-bit triplet solenoid directional control valve 7 is communicated with, the T mouth of two-bit triplet solenoid directional control valve 7, the drain tap of the return opening of by pass valve 8 and reducing valve 9 is connected and together is connected to the top return opening of power coupler 10, the A mouth of two-bit triplet solenoid directional control valve 7 is connected with the clutch control hydraulic fluid port of power coupler 10, and the oil outlet of reducing valve 9 is connected with the clutch lubrication hydraulic fluid port of power coupler 10.
After driving engine 1 started, by the effect of power takeoff 2, enclosed controllable capacity pump 3, pioneer pump 4 and oil feed pump 5 kept the rotating speed operation of 1:1 simultaneously with driving engine 1.Enclosed controllable capacity pump 3 output high pressure oils drive 12 work of closed system HM Hydraulic Motor, thereby drive the mixer barrel rotation.Oil feed pump 5 sucks hydraulic transmission oil by oil suction filter 11 from power coupler 10 bottoms, hydraulic transmission oil enters into clutch control hydraulic fluid port, clutch lubrication hydraulic fluid port and the return opening of power coupler 10 through check valve 6, by pass valve 8, reducing valve 9 and two-bit triplet solenoid directional control valve 7.Can change the pressure size of control oil and lubricating oil at any time by the spring force of regulating by pass valve 8 and reducing valve 9.Under normal conditions, two-bit triplet solenoid directional control valve 7 must not, two-bit triplet solenoid directional control valve 7 works in position, a left side, hydraulic transmission oil directly flows back in power coupler 10 casings from by pass valve 8 and reducing valve 9, and at this time power-transfer clutch disconnects, in needs oil-liquid hybrid electric hydraulic work system, two-bit triplet solenoid directional control valve 7 gets electric and works in right position, hydraulic transmission oil enters the clutch control hydraulic fluid port of power coupler 10, power-transfer clutch combination, recovery or the release of beginning car load energy.
Claims (3)
1. the power coupler fuel feeding control system of an oil-liquid hybrid electric mixermobile, it is characterized in that, comprise driving engine (1), power takeoff (2), enclosed controllable capacity pump (3), pioneer pump (4), oil feed pump (5), check valve (6), two-bit triplet solenoid directional control valve (7), by pass valve (8), reducing valve (9), power coupler (10), oil suction filter (11) and closed system HM Hydraulic Motor (12); Driving engine (1), power takeoff (2), enclosed controllable capacity pump (3), pioneer pump (4) is connected successively with oil feed pump (5), the A of enclosed controllable capacity pump (3), the A of B hydraulic fluid port and closed system HM Hydraulic Motor (12), the B hydraulic fluid port connects, pioneer pump (4) and oil feed pump (5) are integrated into the twin pump that an axis drives, oil suction filter (11) is installed in the bottom of power coupler (10), the oil suction of oil feed pump (5) is connected with oil suction filter (11), the pressure hydraulic fluid port of oil feed pump (5) is connected with the oil inlet of check valve (6), the oil outlet of check valve (6) respectively with the oil inlet of by pass valve (8), the P mouth of the oil inlet of reducing valve (9) and two-bit triplet solenoid directional control valve (7) is communicated with, the T mouth of two-bit triplet solenoid directional control valve (7), the drain tap of the return opening of by pass valve (8) and reducing valve (9) is connected and together is connected to the top return opening of power coupler (10), the A mouth of two-bit triplet solenoid directional control valve (7) is connected with the clutch control hydraulic fluid port of power coupler (10), and the oil outlet of reducing valve (9) is connected with the clutch lubrication hydraulic fluid port of power coupler (10).
2. the power coupler fuel feeding control system of a kind of oil-liquid hybrid electric mixermobile according to claim 1, it is characterized in that, described enclosed controllable capacity pump (3) is a kind of axis driving pump, and pioneer pump (4) is integrated into a twin pump with oil feed pump (5) and is connected with enclosed controllable capacity pump (3).
3. the power coupler fuel feeding control system of a kind of oil-liquid hybrid electric mixermobile according to claim 1, it is characterized in that described check valve (6), two-bit triplet solenoid directional control valve (7), by pass valve (8) and reducing valve (9) are integrated into superposing type valve piece or cartridge valve piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739827 CN203110930U (en) | 2012-12-27 | 2012-12-27 | Power coupler oil feeding control system of oil-liquid hybrid power concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739827 CN203110930U (en) | 2012-12-27 | 2012-12-27 | Power coupler oil feeding control system of oil-liquid hybrid power concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110930U true CN203110930U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739827 Expired - Fee Related CN203110930U (en) | 2012-12-27 | 2012-12-27 | Power coupler oil feeding control system of oil-liquid hybrid power concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203110930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754104A (en) * | 2014-01-27 | 2014-04-30 | 徐工集团工程机械股份有限公司 | Hydraulic hybrid power vehicle |
-
2012
- 2012-12-27 CN CN 201220739827 patent/CN203110930U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754104A (en) * | 2014-01-27 | 2014-04-30 | 徐工集团工程机械股份有限公司 | Hydraulic hybrid power vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20161227 |