CN204324382U - A kind of wheeled double-power hydraulic drive system and use the timber grab of this drive system - Google Patents
A kind of wheeled double-power hydraulic drive system and use the timber grab of this drive system Download PDFInfo
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- CN204324382U CN204324382U CN201420804838.1U CN201420804838U CN204324382U CN 204324382 U CN204324382 U CN 204324382U CN 201420804838 U CN201420804838 U CN 201420804838U CN 204324382 U CN204324382 U CN 204324382U
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Abstract
The utility model relates to a kind of wheeled double-power hydraulic drive system and uses the timber grab of this drive system, a kind of wheeled double-power hydraulic drive system comprises first, second hydraulic branch laid in parallel, on described first hydraulic branch, string is provided with the first Hydraulic Pump, the first check valve, the import of the first check valve is communicated with the oil outlet of the first Hydraulic Pump, and the power intake of the first Hydraulic Pump is connected with combustion engine; On second hydraulic branch, string is provided with the second Hydraulic Pump, the second check valve, and the import of the second check valve is communicated with the oil outlet of the second Hydraulic Pump, and the power intake of the second Hydraulic Pump is connected with electrical motor.A kind of wheeled double-power hydraulic drive system of the present utility model had both met timber grab and had moved the needs needing larger power in handling timber process, and due to little in the power demand of assigned address handling timber, adopt direct motor drive, turn avoid propulsive effort waste, greatly can reduce use cost.
Description
Technical field
The utility model relates to a kind of wheeled double-power hydraulic drive system and uses the timber grab of this drive system.
Background technology
At present, because the place of wood processing enterprise is limited, need to use timber grab to carry out stacking at the raw MAT'L of busy season many receipts of timber felling, piling.A kind of timber grab is disclosed in Chinese patent literature CN202415090U, comprise mechanical car's body, mechanical car's body is provided with lift arm assembly and Hydraulic Pump, the power intake of Hydraulic Pump is connected with diesel engine, and lift arm assembly is provided with grab bucket away from one end of mechanical car's body.
When above-mentioned mechanical car's body move to assigned address start to load and unload timber time, diesel-engined drive Hydraulic Pump output hydraulic pressure oil controls the lifting hydraulic actuating cylinder be arranged on lift arm assembly and the action being arranged on the grasping teeth hydraulic actuating cylinder in two grasping teeths of grab bucket, to realize each action of the handling timber of lift arm assembly and grab bucket.Because the fuel cost of diesel engine remains high, which increases the use cost of timber grab.
Summary of the invention
The purpose of this utility model is to provide a kind of wheeled double-power hydraulic drive system, take diesel engine as the technical matters that use cost that engine installation causes is higher to solve timber grab in prior art.Meanwhile, the utility model additionally provides a kind of timber grab using this wheeled double-power hydraulic drive system.
For achieving the above object, one of the present utility model wheeled double-power hydraulic drive system adopts following technical scheme: a kind of wheeled double-power hydraulic drive system, comprise first, second hydraulic branch laid in parallel, on described first hydraulic branch, string is provided with the first Hydraulic Pump, the first check valve, the import of the first check valve is communicated with the oil outlet of described first Hydraulic Pump, and the power intake of the first Hydraulic Pump is connected with combustion engine; On described second hydraulic branch, string is provided with the second Hydraulic Pump, the second check valve, and the import of the second check valve is communicated with the oil outlet of described second Hydraulic Pump, and the power intake of the second Hydraulic Pump is connected with electrical motor.
Described combustion engine is diesel engine.
First, second Hydraulic Pump described is pluger type hydraulic pump.
A kind of timber grab of the present utility model adopts following technical scheme: a kind of timber grab, comprise fluid power system, fluid power system comprises first, second hydraulic branch laid in parallel, on described first hydraulic branch, string is provided with the first Hydraulic Pump, the first check valve, the import of the first check valve is communicated with the oil outlet of described first Hydraulic Pump, and the power intake of the first Hydraulic Pump is connected with combustion engine; On described second hydraulic branch, string is provided with the second Hydraulic Pump, the second check valve, and the import of the second check valve is communicated with the oil outlet of described second Hydraulic Pump, and the power intake of the second Hydraulic Pump is connected with electrical motor.
Described a kind of timber grab also comprises the vehicle frame being provided with road wheel, described road wheel is walked by described internal combustion engine drive, the upper end of described vehicle frame is provided with the revolving table that pivot center extends along the vertical direction, first, second Hydraulic Pump described and described combustion engine, electrical motor are installed in described back rotation station, revolving table is also provided with the HM Hydraulic Motor of the pivot axis driving revolving table wraparound revolving worktable, HM Hydraulic Motor is all communicated with first and second hydraulic branch described.
Described revolving table being also provided with lift arm assembly, lift arm assembly being provided with the lifting hydraulic actuating cylinder for driving lift arm assembly to lift by crane timber be all communicated with first, second hydraulic branch described.
Described lift arm assembly being provided with grab bucket away from one end of described revolving table, grab bucket being provided with the grasping teeth hydraulic actuating cylinder of the grasping teeth opening and closing for driving grab bucket be all communicated with first, second hydraulic branch described.
Described vehicle frame comprises fixing tank tower, the corresponding left and right crossbeam being coated with length and extending all in left-right direction in the two ends, left and right of fixing tank tower, left and right crossbeam staggers setting in the lateral direction, the two ends, left and right of described fixing tank tower coordinate with the right-hand member of described left crossbeam, the left end guiding movement of right crossbeam respectively, and described revolving table is arranged on described fixing tank tower.
Described fixing tank tower is installed with left telescopic oil cylinder and right telescopic oil cylinder that length extends all in left-right direction, piston rod and the described left crossbeam of described left telescopic oil cylinder are hinged, and piston rod and the described right crossbeam of described right telescopic oil cylinder are hinged.
A kind of timber grab of the present utility model is by arranging fluid power system, fluid power system comprises first of laying in parallel, second hydraulic branch, first hydraulic branch string is provided with the first Hydraulic Pump of the first check valve and the inlet communication with the first check valve, second hydraulic branch string is provided with the second Hydraulic Pump of the second check valve and the inlet communication with the second check valve, the power intake of the first Hydraulic Pump is connected with combustion engine, the power intake of the second Hydraulic Pump is connected with electrical motor, this set makes when timber grab loads and unloads timber in moving process, electric motor circuit breaking, combustion engine action, combustion engine on the one hand outputting power drives timber grab walking, drive the first Hydraulic Pump output hydraulic pressure oil on the other hand, due to the unidirectional locking of the second check valve, second hydraulic branch locking, only the first hydraulic branch output hydraulic pressure oil has carried out each action of the handling timber of timber grab.When timber grab move to assigned address start to load and unload timber time, close diesel engine, timber grab stops mobile, electrical motor energising is started working, drive the second Hydraulic Pump output hydraulic pressure oil, due to the unidirectional locking of the first check valve, the first hydraulic branch locking, so only the second hydraulic branch output hydraulic pressure oil has carried out each action of the handling timber of timber grab.This set meets the needs that timber grab needs larger power in mobile handling timber process on the one hand, on the other hand due to little in the power demand of assigned address handling timber, adopt direct motor drive, turn avoid propulsive effort waste, in relative contrast's file, timber grab adopts diesel-engined drive all the time, greatly can reduce use cost.Moreover above-mentioned fluid power system structure is simple, is convenient to production and processing, be conducive to reducing processing and manufacturing cost.
Further, vehicle frame of the present utility model comprises the left side that length extends all in left-right direction, right crossbeam, left, right crossbeam staggers setting in the lateral direction, the two ends, left and right of fixing tank tower respectively with the right-hand member of left crossbeam, the left end guiding movement of right crossbeam coordinates, this set in use, because the right-hand member of left crossbeam is in the left end telescopic moving of fixing tank tower, the left end of right crossbeam is in the right-hand member telescopic moving of fixing tank tower, left, the telescopic moving of right crossbeam is non-interference, which increases a left side, the collapsing length of right crossbeam, be conducive to the stationarity improving timber grab complete machine, increase the field of application of a kind of timber grab of the present utility model, easy to utilize.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of timber grab of the present utility model;
Fig. 2 is the connection diagram of wheeled double-power hydraulic drive system in Fig. 1;
Fig. 3 is the structural representation of vehicle frame in Fig. 1;
Fig. 4 is the birds-eye view of Fig. 3.
Detailed description of the invention
A kind of timber grab as Figure 1-4, comprise vehicle frame, vehicle frame is provided with road wheel 18, the upper end of vehicle frame is provided with the revolving table that pivot center extends along the vertical direction, revolving table is provided with the HM Hydraulic Motor driving turn table around the pivot axis of turn table.
Above-mentioned revolving table is also provided with lift arm assembly, lift arm assembly comprises the first weighing arm 16 and the first lifting hydraulic actuating cylinder 15, the piston rod of the first lifting hydraulic actuating cylinder 15 is hinged on the middle part of the first weighing arm, the projecting end of the first weighing arm is hinged with the second crane arm 13, the middle part of the first weighing arm is also hinged with the second lifting hydraulic actuating cylinder 17, the piston rod of the second lifting hydraulic actuating cylinder 17 is hinged on the middle part of the second crane arm 13, and the projecting end of the second crane arm is hinged with grab bucket 14.Above-mentioned grab bucket 14 comprise two grasping teeths and with two corresponding grasping teeth hydraulic actuating cylinders arranged of grasping teeth, during use, by control the piston rod of two grasping teeth hydraulic actuating cylinders flexible come the opening and closing of corresponding control two grasping teeths.Certainly, in other embodiments, above-mentioned lift arm assembly can also arrange the quantity of crane arm and grasping teeth as the case may be, only need to arrange away from one end of revolving table at lift arm assembly and grab bucket.
Above-mentioned vehicle frame comprises fixing tank tower 11, the left end of fixing tank tower is coated with left crossbeam 10, the right-hand member of fixing tank tower is coated with right crossbeam 12, as shown in Figure 3,4, the length of left and right crossbeam extends all in left-right direction, left and right crossbeam staggers setting in the lateral direction, and the left end of fixing tank tower coordinates with the right-hand member guiding movement of above-mentioned left crossbeam, and the right-hand member fixing tank tower coordinates with the left end guiding movement of above-mentioned right crossbeam.In the present embodiment, above-mentioned left and right crossbeam is made by channel-section steel, and above-mentioned fixing tank tower has the square inwall coordinated with the upper and lower side guiding movement of left and right crossbeam.Certainly, in other embodiments, above-mentioned left and right crossbeam can also be tubular structure, the right-hand member of left crossbeam is fitted with the guiding bearing pin that length extends along the vertical direction, the left end of above-mentioned fixing tank tower offers the guide groove running through fixing tank tower up and down that length extends in left-right direction, and the right-hand member of left crossbeam realizes coordinating with the guiding movement of the left end of fixing tank tower with guide groove by guiding bearing pin.
The left end of above-mentioned left crossbeam is installed with left lifting landing leg 8, the right-hand member of right crossbeam is installed with right lifting landing leg, the structure of left and right lifting landing leg is identical, be illustrated for left lifting landing leg, left lifting landing leg comprises the fixed end be fixed together with the left end of left crossbeam, fixed end is hinged with hoist cylinder, piston rod and the fixed end of hoist cylinder are hinged, the lower end of hoist cylinder is installed with leg, during use, drive the lifting of corresponding fixed end to realize the lifting of vehicle frame by the action of the piston rod of two hoist cylinders.Certainly, in other embodiments, above-mentioned vehicle frame comprises left and right supporting leg and the fixed cross beam of bridge joint between left and right supporting leg.
Above-mentioned fixing tank tower 11 is also installed with left telescopic oil cylinder 9 and right telescopic oil cylinder, the length of left and right telescopic oil cylinder extends all in left-right direction, piston rod and the above-mentioned left crossbeam 10 of left telescopic oil cylinder are hinged, and piston rod and the above-mentioned right crossbeam 12 of right telescopic oil cylinder are hinged.In use, the sway of left crossbeam just can be realized by the expanding-contracting action controlling the piston rod of left telescopic oil cylinder, and then drive the sway of left lifting landing leg, same, the sway of right crossbeam and right lifting landing leg is just realized by the expanding-contracting action controlling the piston rod of right telescopic oil cylinder, when left lifting landing leg be moved to the left, right lifting landing leg move right time, the upsetting point of complete machine will become large relative to the center of complete machine, is conducive to improving the stability of timber grab.
Above-mentioned a kind of timber grab also comprises fluid power system, as shown in Figure 2, fluid power system comprises first, second hydraulic branch laid in parallel, the import being provided with the first Hydraulic Pump 4, first check valve that first hydraulic branch is gone here and there is communicated with the oil outlet of the first Hydraulic Pump, and the power intake of the first Hydraulic Pump is connected with combustion engine 1.
The import being provided with the second Hydraulic Pump 3, second check valve 5, second check valve that the second above-mentioned hydraulic branch is gone here and there is communicated with the oil outlet of the second Hydraulic Pump, and the power intake of the second Hydraulic Pump is connected with electrical motor 2.
First, second above-mentioned Hydraulic Pump and combustion engine, electrical motor are installed in above-mentioned back rotation station.In the present embodiment, above-mentioned combustion engine is diesel engine, and first, second above-mentioned Hydraulic Pump is pluger type hydraulic pump.Certainly, in other embodiments, above-mentioned combustion engine can also be spark ignition engine.
Above-mentioned HM Hydraulic Motor is all communicated with first, second hydraulic branch, the first above-mentioned lifting hydraulic actuating cylinder is all communicated with first, second hydraulic branch, second lifting hydraulic actuating cylinder is all communicated with first, second hydraulic branch, and above-mentioned grasping teeth hydraulic actuating cylinder is all communicated with first, second hydraulic branch.
In the present embodiment, above-mentioned fluid power system also comprises multiple directional control valve 7, the outlet of first, second above-mentioned check valve is all connected in series with multiple directional control valve 7, and above-mentioned HM Hydraulic Motor, two grasping teeth hydraulic actuating cylinders, the first lifting hydraulic actuating cylinders are arranged in parallel with the second lifting hydraulic actuating cylinder and are all communicated with multiple directional control valve.Certainly, in other embodiments, multiple directional control valve 7 can also be cancelled.
The utility model additionally provides a kind of wheeled double-power hydraulic drive system, and its structure is consistent with the structure of above-mentioned fluid power system, does not repeat them here.
The principle of work of above-mentioned fluid power system is: when moving with road wheel after capturing timber when grabbing bucket, electric motor circuit breaking, the output shaft of diesel engine is connected with auxiliary gear box, diesel engine is after the effect of auxiliary gear box split axle, export two power take-off shafts, one of them power take-off shaft is connected with traction drive, ground-engaging wheel moves, the power input shaft of another power take-off shaft and the first Hydraulic Pump 4 is in transmission connection, first Hydraulic Pump 4 is started working output hydraulic pressure oil, after hydraulic oil flows through the first check valve 6, a part enters multiple directional control valve 7, another part flows to the second check valve 5, due to the unidirectional locking of the second check valve 5, second hydraulic branch locking, hydraulic oil can only enter multiple directional control valve 7, to HM Hydraulic Motor, first, second lifting hydraulic actuating cylinder and two grasping teeth hydraulic actuating cylinder fuel feeding, carry out fluid motor-driven turn table to rotate, first, second lifting Driven by Hydraulic Cylinder first, second crane arm lifting, the action of two grasping teeth Driven by Hydraulic Cylinder two grasping teeths opening and closing.
When above-mentioned road wheel move to assigned address start to load and unload timber time, close diesel engine, the Mobile Termination of road wheel, electrical motor energising is started working, second Hydraulic Pump 3 is started working output hydraulic pressure oil, after hydraulic oil flows through the second check valve 5, a part enters multiple directional control valve 7, another part flows to the first check valve 6, due to the unidirectional locking of the first check valve 6, first hydraulic branch locking, hydraulic oil can only enter multiple directional control valve 7, to HM Hydraulic Motor, first, second lifting hydraulic actuating cylinder and two grasping teeth hydraulic actuating cylinder fuel feeding, carry out fluid motor-driven turn table to rotate, first, second lifting Driven by Hydraulic Cylinder first, second crane arm lifting, the action of two grasping teeth Driven by Hydraulic Cylinder two grasping teeths opening and closing.
Claims (9)
1. a wheeled double-power hydraulic drive system, it is characterized in that: comprise first, second hydraulic branch laid in parallel, on described first hydraulic branch, string is provided with the first Hydraulic Pump, the first check valve, the import of the first check valve is communicated with the oil outlet of described first Hydraulic Pump, and the power intake of the first Hydraulic Pump is connected with combustion engine; On described second hydraulic branch, string is provided with the second Hydraulic Pump, the second check valve, and the import of the second check valve is communicated with the oil outlet of described second Hydraulic Pump, and the power intake of the second Hydraulic Pump is connected with electrical motor.
2. the wheeled double-power hydraulic drive system of one according to claim 1, is characterized in that: described combustion engine is diesel engine.
3. the wheeled double-power hydraulic drive system of one according to claim 1, is characterized in that: first, second Hydraulic Pump described is pluger type hydraulic pump.
4. a timber grab, it is characterized in that: comprise fluid power system, fluid power system comprises first, second hydraulic branch laid in parallel, on described first hydraulic branch, string is provided with the first Hydraulic Pump, the first check valve, the import of the first check valve is communicated with the oil outlet of described first Hydraulic Pump, and the power intake of the first Hydraulic Pump is connected with combustion engine; On described second hydraulic branch, string is provided with the second Hydraulic Pump, the second check valve, and the import of the second check valve is communicated with the oil outlet of described second Hydraulic Pump, and the power intake of the second Hydraulic Pump is connected with electrical motor.
5. a kind of timber grab according to claim 4, it is characterized in that: described a kind of timber grab also comprises the vehicle frame being provided with road wheel, described road wheel is walked by described internal combustion engine drive, the upper end of described vehicle frame is provided with the revolving table that pivot center extends along the vertical direction, described first, second Hydraulic Pump and described combustion engine, electrical motor is installed in described back rotation station, revolving table is also provided with the HM Hydraulic Motor of the pivot axis driving revolving table wraparound revolving worktable, HM Hydraulic Motor and the described firstth, two hydraulic branch are all communicated with.
6. a kind of timber grab according to claim 5, it is characterized in that: described revolving table is also provided with lift arm assembly, lift arm assembly being provided with the lifting hydraulic actuating cylinder for driving lift arm assembly to lift by crane timber be all communicated with first, second hydraulic branch described.
7. a kind of timber grab according to claim 6, it is characterized in that: described lift arm assembly is provided with grab bucket away from one end of described revolving table, grab bucket being provided with the grasping teeth hydraulic actuating cylinder of the grasping teeth opening and closing for driving grab bucket be all communicated with first, second hydraulic branch described.
8. a kind of timber grab according to claim 5 or 6 or 7, it is characterized in that: described vehicle frame comprises fixing tank tower, the corresponding left and right crossbeam being coated with length and extending all in left-right direction in the two ends, left and right of fixing tank tower, left and right crossbeam staggers setting in the lateral direction, the two ends, left and right of described fixing tank tower coordinate with the right-hand member of described left crossbeam, the left end guiding movement of right crossbeam respectively, and described revolving table is arranged on described fixing tank tower.
9. a kind of timber grab according to claim 8, it is characterized in that: described fixing tank tower is installed with left telescopic oil cylinder and right telescopic oil cylinder that length extends all in left-right direction, piston rod and the described left crossbeam of described left telescopic oil cylinder are hinged, and piston rod and the described right crossbeam of described right telescopic oil cylinder are hinged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804838.1U CN204324382U (en) | 2014-12-17 | 2014-12-17 | A kind of wheeled double-power hydraulic drive system and use the timber grab of this drive system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804838.1U CN204324382U (en) | 2014-12-17 | 2014-12-17 | A kind of wheeled double-power hydraulic drive system and use the timber grab of this drive system |
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| Publication Number | Publication Date |
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| CN204324382U true CN204324382U (en) | 2015-05-13 |
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| CN201420804838.1U Active CN204324382U (en) | 2014-12-17 | 2014-12-17 | A kind of wheeled double-power hydraulic drive system and use the timber grab of this drive system |
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| CN (1) | CN204324382U (en) |
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Address after: No.2 Gushan Road, Tuonan Industrial Park, Yongcheng City, Shangqiu City, Henan Province Patentee after: Henan Huanghai Heavy Equipment Manufacturing Co.,Ltd. Address before: No.2 Gushan Road, Tuonan Industrial Park, Yongcheng City, Shangqiu City, Henan Province Patentee before: HENAN HUANGHAI ENGINEERING MACHINERY Co.,Ltd. |