CN103072826A - Variable amplitude device of material piling and taking device and material piling and taking device - Google Patents
Variable amplitude device of material piling and taking device and material piling and taking device Download PDFInfo
- Publication number
- CN103072826A CN103072826A CN2013100207958A CN201310020795A CN103072826A CN 103072826 A CN103072826 A CN 103072826A CN 2013100207958 A CN2013100207958 A CN 2013100207958A CN 201310020795 A CN201310020795 A CN 201310020795A CN 103072826 A CN103072826 A CN 103072826A
- Authority
- CN
- China
- Prior art keywords
- bar
- stacker
- reclaimer
- hydraulic actuating
- actuating cylinder
- Prior art date
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000012530 fluid Substances 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Abstract
The invention discloses a variable amplitude device of a material piling and taking device, wherein the variable amplitude device comprises a connecting rod mechanism (20) and a hydraulic unit (10); the connecting rod mechanism (20) is connected with a cantilever (40) of the material piling and taking device; the hydraulic unit (10) comprises a hydraulic cylinder (11); and the hydraulic cylinder (11) is connected with the connecting rod mechanism (20) so as to drive the connecting rod mechanism (20) to move. The invention also discloses the material piling and taking device. The variable amplitude device has higher reliability, a simple structure, and works stably and safely.
Description
Technical field
The present invention relates to be applied to the stacker-reclaimer of harbour, harbour, power plant, metallurgy etc., particularly, relate to a kind of luffing device and stacker-reclaimer of stacker-reclaimer.
Background technology
Stacker-reclaimer is the continuously high-efficiency appliance of loading and unloading of the ancestor of modern chemical industry sparetime university bulk material, has been widely used at present the stacking and taking operation in bulk cargo (ore, coal, coke, sandstone) the storage stock grounds such as harbour, harbour, metallurgy, cement, steel plant, coke-oven plant, coal storage plant, power plant.Stacker-reclaimer is to utilize the continuous feeding of bucket wheel, and the belt conveyer of recycling equipment itself is piled the rail type loading-unload machine of feeding continuously.It is the special-purpose machinery in the bulk material bedding plant, can form the bedding plant transport systems with (ship) machine of unloading, belt conveyer, shipment (car) machine etc.The stacker-reclaimer operating efficiency is high, easily realizes automation, at home and abroad is used widely.
Stacker-reclaimer has windrow and two kinds of mode of operation of feeding, to be the bulk cargo that shipped by belt conveyer unload belt conveyer to the cantilever through trailer to windrow, unload to the stock ground from the throwing of cantilever front end, can make the neat shape of stockpile formation trapezoidal cross-section by revolution, the pitching of cantilever; Feeding realizes by suspending arm rotary, pitching and bucket wheel continuous rotation, material unloads to the cantilever belt conveyor of inverted running through stripper, funnel below equipment center unloads to the stock ground belt conveyer and transports again, by revolution, the pitching of cantilever, bucket wheel is exhausted the material of stock pile.
In existing stacker-reclaimer, luffing device adopts the luffing device of the mechanical elevator form of steel wire rope type usually, and the luffing device of this structure comprises winding plant, running block, fixed pulley group, balance safety device, steel rope etc.Winding plant is made of electrical motor, retarder, drg, reel, and drg adopts the power hydraulic pressure formula.Hoisting system arranges trammel beam, so that be positioned at the steel rope stress balance of both sides.
The luffing device complex structure of the mechanical elevator form of existing steel wire rope type, reliability is relatively poor, uses for a long time steel rope to rupture easily, and safety misadventure occurs easily.
Summary of the invention
The purpose of this invention is to provide a kind of luffing device and stacker-reclaimer of stacker-reclaimer, the reliability of this luffing device is higher, and is simple in structure, stable working, safety.
To achieve these goals, an aspect of of the present present invention provides a kind of luffing device of stacker-reclaimer, wherein, this luffing device comprises connecting rod mechanism and hydraulic pressure unit, described connecting rod mechanism is connected with the cantilever of described stacker-reclaimer, described hydraulic pressure unit comprises hydraulic actuating cylinder, and this hydraulic actuating cylinder is connected with described connecting rod mechanism, to drive described connecting rod mechanism movement.
Preferably, described hydraulic pressure unit also comprises Hydraulic Pump, change-over valve and fuel tank, the oil outlet of described Hydraulic Pump is connected with the oil inlet of described change-over valve, the first actuator port of described change-over valve is connected with the rod chamber of described hydraulic actuating cylinder, the second actuator port of described change-over valve is connected with the rodless cavity of described hydraulic actuating cylinder, and the oil outlet of described change-over valve is connected with described fuel tank.
Preferably, described change-over valve is three position four-way directional control valve.
Preferably, described hydraulic pressure unit also comprises a plurality of governor valves, and these a plurality of governor valves are connected between the rod chamber of the first actuator port of described change-over valve and described hydraulic actuating cylinder and between the rodless cavity of the second actuator port of described change-over valve and described hydraulic actuating cylinder.
Preferably, described hydraulic pressure unit also comprises a plurality of the first check valves, and these a plurality of first check valves are in parallel with described a plurality of governor valves respectively, flows to described hydraulic actuating cylinder to allow fluid from described change-over valve.
Preferably, described hydraulic pressure unit also comprises a plurality of hydraulic control one-way valves, and these a plurality of hydraulic control one-way valves are connected between the rod chamber of described governor valve and described hydraulic actuating cylinder and between the rodless cavity of described governor valve and described hydraulic actuating cylinder.
Preferably, described hydraulic pressure unit also comprises a plurality of the first by pass valves, and these a plurality of first by pass valves are connected with rodless cavity with the rod chamber of described hydraulic actuating cylinder respectively.
Preferably, described hydraulic pressure unit also comprises the second check valve, and this second check valve is connected between the oil inlet of the oil outlet of described Hydraulic Pump and described change-over valve.
Preferably, described hydraulic pressure unit also comprises the second by pass valve, and this second by pass valve is other to be connected between the oil outlet and described the second check valve of described Hydraulic Pump.
Preferably, described hydraulic actuating cylinder comprises two hydraulic actuating cylinders that are arranged in parallel, and the piston rod of described two hydraulic actuating cylinders all is connected in described connecting rod mechanism, and the cylinder barrel of described two hydraulic actuating cylinders all is fixed on the swing type mechanism of described stacker-reclaimer.
Preferably, described connecting rod mechanism comprises two four bar units that are oppositely arranged, each described four bar unit comprises the first bar, the second bar, the 3rd bar and the 4th bar, described the first bar, described the second bar and described the 3rd bar formation triangle that is connected to each other, one end of described the 4th bar is connected in the junction of described the first bar and described the second bar, the other end of described the 4th bar is connected in the middle part of described the 3rd bar, and the piston rod of described two hydraulic actuating cylinders is connected to the junction of described the 4th bar and described the 3rd bar.
Preferably, described connecting rod mechanism also comprises pipe link, and this pipe link is connected between the cantilever of the junction of described the second bar and described the 3rd bar and described stacker-reclaimer.
Preferably, described connecting rod mechanism also comprises pull bar, and this pull bar is connected to the junction of described the first bar and described the second bar and is arranged between the counterweight of weight arm of described stacker-reclaimer.
Another aspect of the present invention provides a kind of stacker-reclaimer, and this stacker-reclaimer comprises swing type mechanism, cantilever, weight arm, counterweight and luffing device, and wherein, described luffing device is the luffing device of stacker-reclaimer recited above.
By technique scheme, luffing device of the present invention is controlled the action of hydraulic actuating cylinder by hydraulic pressure unit, so that hydraulic actuating cylinder elongates or shortens, thereby the Driven by Hydraulic Cylinder connecting rod mechanism movement is finally realized the revolution, pitching of cantilever and carried out the luffing operation.Because the motion of hydraulic actuating cylinder is controlled by hydraulic pressure unit, so that the Reliability Enhancement of luffing device.In addition, adopt the connecting rod mechanism connecting cantilever, simple in structure, intensity increases, and is not easy fracture, improves safety.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of specification sheets, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the luffing device of stacker-reclaimer of the present invention;
Fig. 2 is the schematic diagram of hydraulic pressure unit of the luffing device of stacker-reclaimer of the present invention; And
Fig. 3 is the partial schematic diagram of connecting rod mechanism of the luffing device of stacker-reclaimer of the present invention.
Description of reference numerals
10 hydraulic pressure units, 11 hydraulic actuating cylinders
12 Hydraulic Pumps, 13 change-over valves
14 fuel tanks, 15 governor valves
16 first check valves, 17 hydraulic control one-way valves
18 second check valves, 19 first by pass valves
The 19 ' second by pass valve 20 connecting rod mechanisms
21 first bars, 22 second bars
23 the 3rd bars 24 the 4th bar
25 pipe links, 26 pull bars
30 swing type mechanisms, 40 cantilevers
50 weight arms, 60 counterweights
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
As depicted in figs. 1 and 2, an aspect of of the present present invention provides a kind of luffing device of stacker-reclaimer, wherein, this luffing device comprises connecting rod mechanism 20 and hydraulic pressure unit 10, described connecting rod mechanism 20 is connected with the cantilever 40 of described stacker-reclaimer, described hydraulic pressure unit 10 comprises hydraulic actuating cylinder 11, and this hydraulic actuating cylinder 11 is connected with described connecting rod mechanism 20, to drive described connecting rod mechanism 20 motions.
Luffing device of the present invention is controlled the action of hydraulic actuating cylinder 11 by hydraulic pressure unit 10, so that hydraulic actuating cylinder 11 elongates or shortens, thereby 20 motions of hydraulic actuating cylinder 11 drive link mechanisms finally realize the revolution, pitching of cantilever 40 and carry out the luffing operation.Because the motion of hydraulic actuating cylinder 11 is by hydraulic pressure unit 10 controls, so that the Reliability Enhancement of luffing device.In addition, adopt connecting rod mechanism 20 connecting cantilevers 40, simple in structure, intensity increases, and is not easy fracture, improves safety.
As shown in Figure 2, in order to drive hydraulic actuating cylinder 11 and the motion of hydraulic actuating cylinder 11 to be controlled, preferably, described hydraulic pressure unit 10 also comprises Hydraulic Pump 12, change-over valve 13 and fuel tank 14, the oil outlet of described Hydraulic Pump 12 is connected with the oil inlet of described change-over valve 13, the first actuator port of described change-over valve 13 is connected with the rod chamber of described hydraulic actuating cylinder 11, the second actuator port of described change-over valve 13 is connected with the rodless cavity of described hydraulic actuating cylinder 11, and the oil outlet of described change-over valve 13 is connected with described fuel tank 14.
Below in conjunction with Fig. 2 the working process of hydraulic pressure unit 10 is described in detail.
When change-over valve 13 is in left position, the oil outlet of Hydraulic Pump 12 is communicated with the rod chamber of hydraulic actuating cylinder 11 by change-over valve 13, the rodless cavity of hydraulic actuating cylinder 11 is communicated with fuel tank 14 by change-over valve 13, thereby rod chamber oil-feed and the rodless cavity of hydraulic actuating cylinder 11 are fuel-displaced, the piston rod of hydraulic actuating cylinder 11 is retracted, thereby luffing is carried out in 20 motions of drivening rod mechanism; When change-over valve 13 is in right position, the oil outlet of Hydraulic Pump 12 is communicated with the rodless cavity of hydraulic actuating cylinder 11 by change-over valve 13, the rod chamber of hydraulic actuating cylinder 11 is communicated with fuel tank 14 by change-over valve 13, thereby rodless cavity oil-feed and the rod chamber of hydraulic actuating cylinder 11 are fuel-displaced, the piston rod of hydraulic actuating cylinder 11 stretches out, thereby luffing is carried out in 20 motions of drivening rod mechanism; When change-over valve 13 was in meta, Hydraulic Pump 12 was not communicated with hydraulic actuating cylinder 11, and the piston of hydraulic actuating cylinder 11 does not move, and piston rod keeps certain extension elongation constant, thereby connecting rod mechanism 20 can be remained on certain invariant position.
Because the control of hydraulic pressure unit 10 is convenient, control accurately, reliability is higher, only need reversing valve operated 13 controls that can realize whole luffing device, so that the Reliability Enhancement of luffing device, designs simplification, luffing device can hover in the position of any appropriate, revolution, pitching, to satisfy the need of work of different operating modes.
As shown in Figure 2, in order to control the luffing speed of luffing device, preferably, described hydraulic pressure unit 10 also comprises a plurality of governor valves 15, and these a plurality of governor valves 15 are connected between the rod chamber of the first actuator port of described change-over valve 13 and described hydraulic actuating cylinder 11 and between the rodless cavity of the second actuator port of described change-over valve 13 and described hydraulic actuating cylinder 11.A plurality of governor valves 15 are connected on oil inlet and the oil return pipe, and a governor valve 15 can be set on each pipeline, and a plurality of governor valves 15 also can be set, and a governor valve 15 is set respectively on oil inlet and oil return pipe in the preferred implementation of the present invention.Governor valve 15 passes through the flow of control oil inlet and oil return pipe, thereby controls the stretching speed of the piston rod of hydraulic actuating cylinder 11, and then can control the luffing speed of luffing device.
As shown in Figure 2, in order to control better the kinematic velocity of hydraulic actuating cylinder 11, preferably, described hydraulic pressure unit 10 also comprises a plurality of the first check valves 16, these a plurality of first check valves 16 are in parallel with described a plurality of governor valve 15 respectively, flow to described hydraulic actuating cylinder 11 to allow fluid from described change-over valve 13.The first check valve 16 and governor valve 15 are corresponding and form one-way speed-regulating valve one by one, the fluid that flows out from change-over valve 13 can freely flow to hydraulic actuating cylinder 11 by the first check valve 16 and governor valve 15, the fluid that flows out from hydraulic actuating cylinder 11 need to just can flow back to fuel tank through the throttling action of governor valve 15, be that hydraulic actuating cylinder 11 can quick oil feeding, and the flow during oil return can be regulated, thereby realize the kinematic velocity adjusting to the piston rod of hydraulic actuating cylinder 11, and then the luffing speed of control luffing device.
As shown in Figure 2, for so that the cantilever 40 of stacker-reclaimer be kept at an angle and the position operation, preferably, described hydraulic pressure unit 10 also comprises a plurality of hydraulic control one-way valves 17, and these a plurality of hydraulic control one-way valves 17 are connected between the rod chamber of described governor valve 15 and described hydraulic actuating cylinder 11 and between the rodless cavity of described governor valve 15 and described hydraulic actuating cylinder 11.Hydraulic control one-way valve 17 can prevent that fluid from refluxing, and when change-over valve 13 is in meta, hydraulic control one-way valve 17 can prevent that the fluid in the hydraulic actuating cylinder 11 from flowing out, so that the piston rod of hydraulic actuating cylinder 11 keeps certain extension elongation constant, thereby connecting rod mechanism 20 can rest on certain position, keep the luffing angle of cantilever 40 constant, then stacker-reclaimer can keep the operating condition of certain stable angle.
Stable in order to guarantee the operating oil pressure in the hydraulic actuating cylinder 11, as shown in Figure 2, preferably, described hydraulic pressure unit 10 also comprises a plurality of the first by pass valves 19, and these a plurality of first by pass valves 19 are connected with rodless cavity with the rod chamber of described hydraulic actuating cylinder 11 respectively.Because fluid enters in the hydraulic actuating cylinder 11 through Hydraulic Elements such as change-over valve 13, governor valves 15, the pressure transient of fluid, at the rod chamber of hydraulic actuating cylinder 11 with rodless cavity is all other connects the first by pass valve 19, so that the oil pressure in the hydraulic actuating cylinder 11 is stable, the oil pressure that prevents from entering hydraulic actuating cylinder 11 is excessive.
As shown in Figure 2, in order to prevent that fluid is back to Hydraulic Pump 12, preferably, described hydraulic pressure unit 10 also comprises the second check valve 18, this second check valve 18 is connected between the oil inlet of the oil outlet of described Hydraulic Pump 12 and described change-over valve 13, flows to the oil inlet of change-over valve 13 from the oil outlet of Hydraulic Pump 12 to allow fluid.The second check valve 18 can prevent that the fluid backflow from causing Hydraulic Pump 12 counter-rotatings, avoids Hydraulic Pump 12 to damage.
Too high for the operation pressure that prevents hydraulic pressure unit 10, as shown in Figure 2, preferably, described hydraulic pressure unit 10 also comprises the second by pass valve 19 ', this second by pass valve 19 ' other being connected between the oil outlet and described the second check valve 18 of described Hydraulic Pump 12.When the operation pressure of hydraulic pressure unit 10 during greater than the setting pressure of the second by pass valve 19 ', the second by pass valve 19 ' is opened and is carried out overflow, so that the pressure decreased of hydraulic pressure unit 10 and remaining under the safe pressure is worked.
In order to guarantee the motion stabilization of connecting rod mechanism 20, as shown in Figure 2, preferably, described hydraulic actuating cylinder 11 comprises two hydraulic actuating cylinders that are arranged in parallel, the piston rod of described two hydraulic actuating cylinders 11 all is connected in described connecting rod mechanism 20, and the cylinder barrel of described two hydraulic actuating cylinders 11 all is fixed on the swing type mechanism 30 of described stacker-reclaimer.Two hydraulic actuating cylinders 11 are arranged symmetrically with, thereby can linkage 20 produce enough large application force, and hydraulic actuating cylinder 11 is more stable and firm with being connected of connecting rod mechanism 20.The cylinder barrel of hydraulic actuating cylinder 11 is installed on the swing type mechanism 30, installs easily and fix.
As shown in Figure 3, as a kind of preferred implementation of the present invention, described connecting rod mechanism 20 comprises two four bar units that are oppositely arranged, each described four bar unit comprises the first bar 21, the second bar 22, the 3rd bar 23 and the 4th bar 24, described the first bar 21, described the second bar 22 and described the 3rd bar 23 formation triangle that is connected to each other, one end of described the 4th bar 24 is connected in the junction of described the first bar 21 and described the second bar 22, the other end of described the 4th bar 24 is connected in the middle part of described the 3rd bar 23, and the piston rod of described two hydraulic actuating cylinders 11 is connected to the junction of described the 4th bar 24 and described the 3rd bar 23.Usually, hinged each other between the first bar 21, the second bar 22, the 3rd bar 23 and the 4th bar 24, the position of four bar units and shape all change thereby the piston rod of hydraulic actuating cylinder 11 is flexible, thereby the luffing angle of adjusting cantilever 40 is realized luffing.
As shown in Figure 3, in order to make things convenient for being connected of connecting rod mechanism 20 and cantilever 40, preferably, described connecting rod mechanism 20 also comprises pipe link 25, and this pipe link 25 is connected between the cantilever 40 of the junction of described the second bar 22 and described the 3rd bar 23 and described stacker-reclaimer.In the preferred implementation of the present invention, pipe link 25 comprises four bars connected to one another, wherein an end of three bars links together, the other end is connected at diverse location with cantilever 40 respectively, so that being connected firmly of pipe link 25 and cantilever 40, the 4th bar is connected between the end and four bar units of described three bars, passes to cantilever 40 with the motion with four bar units, so that the angle of cantilever 40 changes.
Stressed for the balance stacker-reclaimer, as shown in Figure 3, preferably, described connecting rod mechanism also comprises pull bar 26, this pull bar 26 is connected to the junction of described the first bar 21 and described the second bar 22 and is arranged between the counterweight 60 of weight arm 50 of described stacker-reclaimer.Counterweight 60 is arranged on the opposite side of cantilever 40, and cantilever 40 is subject to the gravity of material, and what counterweight 60 can balanced cantilever 40 is stressed.Counterweight 60 is connected with four bar units by pull bar 26, can reduce the stressed of hydraulic actuating cylinder 11, so that hydraulic actuating cylinder 11 motions easily, can prevent that also four bar unit range of movement are excessive.
Another aspect of the present invention provides a kind of stacker-reclaimer, and this stacker-reclaimer comprises swing type mechanism 30, cantilever 40, weight arm 50, counterweight 60 and luffing device, it is characterized in that, described luffing device is the luffing device of stacker-reclaimer recited above.
Stacker-reclaimer of the present invention is owing to adopt the luffing device of fluid pressure type, so that the functional reliability of luffing device improves, and luffing device is simple in structure, and stable working, safety can realize any luffing angle and luffing speed, control simple and convenient.
Below describe by reference to the accompanying drawings preferred implementation of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (14)
1. the luffing device of a stacker-reclaimer, it is characterized in that, this luffing device comprises connecting rod mechanism (20) and hydraulic pressure unit (10), described connecting rod mechanism (20) is connected with the cantilever (40) of described stacker-reclaimer, described hydraulic pressure unit (10) comprises hydraulic actuating cylinder (11), this hydraulic actuating cylinder (11) is connected with described connecting rod mechanism (20), to drive described connecting rod mechanism (20) motion.
2. the luffing device of stacker-reclaimer according to claim 1, it is characterized in that, described hydraulic pressure unit (10) also comprises Hydraulic Pump (12), change-over valve (13) and fuel tank (14), the oil outlet of described Hydraulic Pump (12) is connected with the oil inlet of described change-over valve (13), the first actuator port of described change-over valve (13) is connected with the rod chamber of described hydraulic actuating cylinder (11), the second actuator port of described change-over valve (13) is connected with the rodless cavity of described hydraulic actuating cylinder (11), and the oil outlet of described change-over valve (13) is connected with described fuel tank (14).
3. the luffing device of stacker-reclaimer according to claim 2 is characterized in that, described change-over valve (13) is three position four-way directional control valve.
4. the luffing device of stacker-reclaimer according to claim 2, it is characterized in that, described hydraulic pressure unit (10) also comprises a plurality of governor valves (15), and these a plurality of governor valves (15) are connected between the rod chamber of the first actuator port of described change-over valve (13) and described hydraulic actuating cylinder (11) and between the rodless cavity of the second actuator port of described change-over valve (13) and described hydraulic actuating cylinder (11).
5. the luffing device of stacker-reclaimer according to claim 4, it is characterized in that, described hydraulic pressure unit (10) also comprises a plurality of the first check valves (16), these a plurality of first check valves (16) are in parallel with described a plurality of governor valves (15) respectively, flow to described hydraulic actuating cylinder (11) to allow fluid from described change-over valve (13).
6. the luffing device of stacker-reclaimer according to claim 4, it is characterized in that, described hydraulic pressure unit (10) also comprises a plurality of hydraulic control one-way valves (17), and these a plurality of hydraulic control one-way valves (17) are connected between the rod chamber of described governor valve (15) and described hydraulic actuating cylinder (11) and between the rodless cavity of described governor valve (15) and described hydraulic actuating cylinder (11).
7. the luffing device of stacker-reclaimer according to claim 1, it is characterized in that, described hydraulic pressure unit (10) also comprises a plurality of the first by pass valves (19), and these a plurality of first by pass valves (19) are connected with rodless cavity with the rod chamber of described hydraulic actuating cylinder (11) respectively.
8. the luffing device of stacker-reclaimer according to claim 2, it is characterized in that, described hydraulic pressure unit (10) also comprises the second check valve (18), and this second check valve (18) is connected between the oil inlet of the oil outlet of described Hydraulic Pump (12) and described change-over valve (13).
9. the luffing device of stacker-reclaimer according to claim 8, it is characterized in that, described hydraulic pressure unit (10) also comprises the second by pass valve (19 '), and this second by pass valve (19 ') is other to be connected between the oil outlet and described the second check valve (18) of described Hydraulic Pump (12).
10. the luffing device of the described stacker-reclaimer of any one according to claim 1-9, it is characterized in that, described hydraulic actuating cylinder (11) comprises two hydraulic actuating cylinders that are arranged in parallel, the piston rod of described two hydraulic actuating cylinders (11) all is connected in described connecting rod mechanism (20), and the cylinder barrel of described two hydraulic actuating cylinders (11) all is fixed on the swing type mechanism (30) of described stacker-reclaimer.
11. the luffing device of stacker-reclaimer according to claim 10, it is characterized in that, described connecting rod mechanism (20) comprises two four bar units that are oppositely arranged, each described four bar unit comprises the first bar (21), the second bar (22), the 3rd bar (23) and the 4th bar (24), described the first bar (21), described the second bar (22) and described the 3rd bar (23) the formation triangle that is connected to each other, one end of described the 4th bar (24) is connected in the junction of described the first bar (21) and described the second bar (22), the other end of described the 4th bar (24) is connected in the middle part of described the 3rd bar (23), and the piston rod of described two hydraulic actuating cylinders (11) is connected to the junction of described the 4th bar (24) and described the 3rd bar (23).
12. the luffing device of stacker-reclaimer according to claim 11, it is characterized in that, described connecting rod mechanism (20) also comprises pipe link (25), and this pipe link (25) is connected between the cantilever (40) of the junction of described the second bar (22) and described the 3rd bar (23) and described stacker-reclaimer.
13. the luffing device of stacker-reclaimer according to claim 11, it is characterized in that, described connecting rod mechanism also comprises pull bar (26), and this pull bar (26) is connected to the junction of described the first bar (21) and described the second bar (22) and is arranged between the counterweight (60) of weight arm (50) of described stacker-reclaimer.
14. stacker-reclaimer, this stacker-reclaimer comprises swing type mechanism (30), cantilever (40), weight arm (50), counterweight (60) and luffing device, it is characterized in that, described luffing device be according to claim 1-13 in the luffing device of the described stacker-reclaimer of any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020795.8A CN103072826B (en) | 2013-01-21 | 2013-01-21 | The luffing device of stacker-reclaimer and stacker-reclaimer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020795.8A CN103072826B (en) | 2013-01-21 | 2013-01-21 | The luffing device of stacker-reclaimer and stacker-reclaimer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103072826A true CN103072826A (en) | 2013-05-01 |
| CN103072826B CN103072826B (en) | 2015-09-16 |
Family
ID=48149552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310020795.8A Active CN103072826B (en) | 2013-01-21 | 2013-01-21 | The luffing device of stacker-reclaimer and stacker-reclaimer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103072826B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950741A (en) * | 2014-04-30 | 2014-07-30 | 钦州学院 | Bucket-wheel material stacking and taking machine containing two-degree-of-freedom closed chain type electric pitching mechanism |
| CN103950736A (en) * | 2014-04-30 | 2014-07-30 | 钦州学院 | Redundancy driving closed-chain bucket wheel stacker reclaimer |
| CN105300337A (en) * | 2014-06-26 | 2016-02-03 | 南京梅山冶金发展有限公司 | Method for detecting angle of pitching mechanism of arm type bucket-wheel stacker-reclaimer |
| CN112555204A (en) * | 2019-09-26 | 2021-03-26 | 南京宝地梅山产城发展有限公司 | Site belt hydraulic system with tail car lifting mechanism and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2242321A1 (en) * | 1973-08-27 | 1975-03-28 | Fives Lille Cail | Boom type bulk material stacker - counter weighted balancing arm supported by circular roller track |
| US3945138A (en) * | 1972-06-16 | 1976-03-23 | Orenstein & Koppel Aktiengesellschaft | Hydraulically controlled and driven bucket wheel dredge |
| JPS5842531A (en) * | 1981-09-08 | 1983-03-12 | Sumitomo Metal Ind Ltd | Turning control method for bucket-wheel reclaimer |
| JPH04189223A (en) * | 1990-11-22 | 1992-07-07 | Kawasaki Steel Corp | Method for diagnosing hydraulic drive system of reclaimer |
| CN2915953Y (en) * | 2006-05-26 | 2007-06-27 | 刘德先 | Loader for agricultural use |
| CN102424280A (en) * | 2011-08-11 | 2012-04-25 | 三一集团有限公司 | Cab pitching device and bucket wheel machine |
| CN203048195U (en) * | 2013-01-21 | 2013-07-10 | 中国神华能源股份有限公司 | Amplitude changing device of stacker-reclaimer and stacker-reclaimer |
-
2013
- 2013-01-21 CN CN201310020795.8A patent/CN103072826B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945138A (en) * | 1972-06-16 | 1976-03-23 | Orenstein & Koppel Aktiengesellschaft | Hydraulically controlled and driven bucket wheel dredge |
| FR2242321A1 (en) * | 1973-08-27 | 1975-03-28 | Fives Lille Cail | Boom type bulk material stacker - counter weighted balancing arm supported by circular roller track |
| JPS5842531A (en) * | 1981-09-08 | 1983-03-12 | Sumitomo Metal Ind Ltd | Turning control method for bucket-wheel reclaimer |
| JPH04189223A (en) * | 1990-11-22 | 1992-07-07 | Kawasaki Steel Corp | Method for diagnosing hydraulic drive system of reclaimer |
| CN2915953Y (en) * | 2006-05-26 | 2007-06-27 | 刘德先 | Loader for agricultural use |
| CN102424280A (en) * | 2011-08-11 | 2012-04-25 | 三一集团有限公司 | Cab pitching device and bucket wheel machine |
| CN203048195U (en) * | 2013-01-21 | 2013-07-10 | 中国神华能源股份有限公司 | Amplitude changing device of stacker-reclaimer and stacker-reclaimer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950741A (en) * | 2014-04-30 | 2014-07-30 | 钦州学院 | Bucket-wheel material stacking and taking machine containing two-degree-of-freedom closed chain type electric pitching mechanism |
| CN103950736A (en) * | 2014-04-30 | 2014-07-30 | 钦州学院 | Redundancy driving closed-chain bucket wheel stacker reclaimer |
| CN103950736B (en) * | 2014-04-30 | 2015-11-25 | 钦州学院 | Redundant drive closed chain formula bucket-wheel stacker reclaimer |
| CN105300337A (en) * | 2014-06-26 | 2016-02-03 | 南京梅山冶金发展有限公司 | Method for detecting angle of pitching mechanism of arm type bucket-wheel stacker-reclaimer |
| CN112555204A (en) * | 2019-09-26 | 2021-03-26 | 南京宝地梅山产城发展有限公司 | Site belt hydraulic system with tail car lifting mechanism and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103072826B (en) | 2015-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102092662B (en) | Lifting hydraulic system and lifting machine with same | |
| CN103072826B (en) | The luffing device of stacker-reclaimer and stacker-reclaimer | |
| CN104508307B (en) | Hydraulic system | |
| CN102635579B (en) | Energy-saving hydraulic system for loaders | |
| CN102030288B (en) | Elevator mechanism of automatic stacking device and control method | |
| CN103883573B (en) | Jib hydraulic control system and port loading and unloading machinery | |
| CN202579410U (en) | Oil cylinder buffer control valve | |
| CN102785943A (en) | Movable large bulk cargo stacking device | |
| CN111891946A (en) | Power transmission system and method and crane | |
| CN203048195U (en) | Amplitude changing device of stacker-reclaimer and stacker-reclaimer | |
| KR20120135904A (en) | Hydraulic drive device for deck crane, crane device, control device for hydraulic pump, and ship | |
| CN102943496B (en) | Potential energy recycling system of movable arm of excavator | |
| CN102826448A (en) | Hoisting mechanism and gantry crane | |
| CN107055328B (en) | Hydraulic system and hoisting apparatus for rescue | |
| CN202970633U (en) | Full-automatic hydraulic pumping unit | |
| CN105016021A (en) | All-door-type double-hoisting-point scraper reclaimer | |
| CN104973427B (en) | A kind of rubber-tyred stacker-reclaimer | |
| CN205441662U (en) | Screw elevator | |
| CN205294639U (en) | Discharge device | |
| CN112196848A (en) | Hydraulic control system of shield machine main drive anti-torsion device | |
| CN105349717B (en) | Equipment for treating materials in a kind of water | |
| CN203570720U (en) | Maintenance safety improving hydraulic system of hoisting mechanism of gate-type bucket-wheel stacker-reclaimer | |
| CN104444450A (en) | Material conveying control table for ship | |
| CN203570721U (en) | Gate-type bucket-wheel material piling-taking machine hoisting mechanism hydraulic system capable of achieving speed-variable operation | |
| CN201923575U (en) | Hydraulic system for garbage truck lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |