CN203048195U - Amplitude changing device of stacker-reclaimer and stacker-reclaimer - Google Patents
Amplitude changing device of stacker-reclaimer and stacker-reclaimer Download PDFInfo
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- CN203048195U CN203048195U CN 201320030733 CN201320030733U CN203048195U CN 203048195 U CN203048195 U CN 203048195U CN 201320030733 CN201320030733 CN 201320030733 CN 201320030733 U CN201320030733 U CN 201320030733U CN 203048195 U CN203048195 U CN 203048195U
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- 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
- 239000000463 material Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 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
- 230000008901 benefit Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000571 coke Substances 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
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- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an amplitude changing device of a stacker-reclaimer. The amplitude changing device comprises a link mechanism (20) and a hydraulic unit (10), wherein the link mechanism (20) is connected with a hanging arm (40) of the stacker-reclaimer, the hydraulic unit (10) comprises a hydraulic cylinder (11), and the hydraulic cylinder (11) is connected with the link mechanism (20) so as to drive the link mechanism (20) to move. The utility model further discloses the stacker-reclaimer. The amplitude changing device is high in reliability, simple in structure, and stable and safe in work.
Description
Technical field
The utility model relates to the stacker-reclaimer that is applied to harbour, harbour, power plant, metallurgy etc., particularly, relates to a kind of luffing device and stacker-reclaimer of stacker-reclaimer.
Background technology
Stacker-reclaimer is the ancestor of the modern chemical industry sparetime university bulk material high-efficiency appliance of loading and unloading continuously, has been widely used in the stacking and taking operation in bulk cargo (ore, coal, coke, sandstone) storage stock grounds such as harbour, harbour, metallurgy, cement, steel plant, coke-oven plant, coal storage plant, power plant at present.Stacker-reclaimer is to utilize bucket wheel to get material continuously, and the belt conveyer of recycling equipment itself is piled the rail type loading-unload machine of getting material 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.Stacker-reclaimer operating efficiency height is easily realized automation, at home and abroad is used widely.
Stacker-reclaimer has windrow and gets two kinds of mode of operation of material, 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; Get material and rotate realization continuously by cantilever revolution, pitching and bucket wheel, material unloads to the cantilever belt conveyer 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, the feasible steel rope stress balance that is positioned at both sides.
The luffing device complex structure of the mechanical elevator form of existing steel wire rope type, reliability is relatively poor, uses steel rope to rupture easily for a long time, and safety misadventure takes place easily.
The utility model content
The purpose of this utility model provides a kind of luffing device and stacker-reclaimer of stacker-reclaimer, and the reliability of this luffing device is higher, and is simple in structure, stable working, safety.
To achieve these goals, one side of the present utility model 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, first actuator port of described change-over valve is connected with the rod chamber of described hydraulic actuating cylinder, 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 first actuator port of described change-over valve and described hydraulic actuating cylinder and between the rodless cavity of second actuator port of described change-over valve and described hydraulic actuating cylinder.
Preferably, described hydraulic pressure unit also comprises a plurality of 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 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 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 second by pass valve, and this second by pass valve is other to be connected between the oil outlet and described 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 first bar, second bar, the 3rd bar and the 4th bar, described first bar, described 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 first bar and described 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 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 the junction of described first bar and described second bar and is arranged between the counterweight of weight arm of described stacker-reclaimer.
Of the present utility modelly provide a kind of stacker-reclaimer on the other hand, 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 utility model is controlled the action of hydraulic actuating cylinder by hydraulic pressure unit, makes hydraulic actuating cylinder elongate or shorten, 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, make the reliability of luffing device improve.In addition, adopt connecting rod mechanism to connect cantilever, simple in structure, intensity increases, and is not easy to rupture, and improves safety.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification sheets, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the luffing device of stacker-reclaimer of the present utility model;
Fig. 2 is the schematic diagram of hydraulic pressure unit of the luffing device of stacker-reclaimer of the present utility model; And
Fig. 3 is the partial schematic diagram of connecting rod mechanism of the luffing device of stacker-reclaimer of the present utility model.
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
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 utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As depicted in figs. 1 and 2, one side of the present utility model 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 utility model is controlled the action of hydraulic actuating cylinder 11 by hydraulic pressure unit 10, makes hydraulic actuating cylinder 11 elongate or shorten, 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 by hydraulic pressure unit 10 controls, makes the reliability of luffing device improve.In addition, adopt connecting rod mechanism 20 to connect cantilever 40, simple in structure, intensity increases, and is not easy to rupture, and 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, first actuator port of described change-over valve 13 is connected with the rod chamber of described hydraulic actuating cylinder 11, 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.
Working process below in conjunction with the hydraulic pressure unit 10 of Fig. 2 is described in detail.
When change-over valve 13 is in position, a left side, 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 withdrawal of hydraulic actuating cylinder 11, thus 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, make the reliability of luffing device improve, 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 first actuator port of described change-over valve 13 and described hydraulic actuating cylinder 11 and between the rodless cavity of 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, a plurality of governor valves 15 also can be set, a governor valve 15 is set respectively on oil inlet and oil return pipe in the preferred implementation of the present utility model.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 the kinematic velocity of hydraulic actuating cylinder 11 better, preferably, described hydraulic pressure unit 10 also comprises a plurality of 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.First check valve 16 and governor valve 15 are corresponding and form unidirectional governor valve one by one, the fluid that flows out from change-over valve 13 can freely flow to hydraulic actuating cylinder 11 by first check valve 16 and governor valve 15, the fluid that flows out from hydraulic actuating cylinder 11 need 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, in order to make 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, make the piston rod of hydraulic actuating cylinder 11 keep 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 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 first by pass valve 19, make 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 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.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 second by pass valve 19 ', this second by pass valve, 19 ' other being connected between the oil outlet and described 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 second by pass valve 19 ', second by pass valve 19 ' is opened and is carried out overflow, makes the pressure of hydraulic pressure unit 10 reduce and remains under the safe pressure and work.
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 cylinder 11 symmetric arrangement, thus can linkage 20 produce enough big application force, and hydraulic actuating cylinder 11 is stable more 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 utility model, described connecting rod mechanism 20 comprises two four bar units that are oppositely arranged, each described four bar unit comprises first bar 21, second bar 22, the 3rd bar 23 and the 4th bar 24, described first bar 21, described 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 first bar 21 and described 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 first bar 21, second bar 22, the 3rd bar 23 and the 4th bar 24, make 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, for convenience 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 second bar 22 and described the 3rd bar 23 and described stacker-reclaimer.In the preferred implementation of the present utility model, 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, make 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, makes the angle of cantilever 40 change.
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 the junction of described first bar 21 and described 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 subjected 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, makes hydraulic actuating cylinder 11 motions easily, can prevent that also four bar unit range of movement are excessive.
Of the present utility modelly provide a kind of stacker-reclaimer on the other hand, 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 utility model makes the functional reliability of luffing device improve owing to adopt the luffing device of fluid pressure type, 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 preferred implementation of the present utility model by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model 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), first actuator port of described change-over valve (13) is connected with the rod chamber of described hydraulic actuating cylinder (11), 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 first actuator port of described change-over valve (13) and described hydraulic actuating cylinder (11) and between the rodless cavity of 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 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 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 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 second by pass valve (19 '), and this second by pass valve (19 ') is other to be connected between the oil outlet and described second check valve (18) of described Hydraulic Pump (12).
10. according to the luffing device of any described stacker-reclaimer among the 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 first bar (21), second bar (22), the 3rd bar (23) and the 4th bar (24), described first bar (21), described 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 first bar (21) and described 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 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 the junction of described first bar (21) and described 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 is the luffing device according to any described stacker-reclaimer among the claim 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030733 CN203048195U (en) | 2013-01-21 | 2013-01-21 | Amplitude changing device of stacker-reclaimer and stacker-reclaimer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030733 CN203048195U (en) | 2013-01-21 | 2013-01-21 | Amplitude changing device of stacker-reclaimer and stacker-reclaimer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203048195U true CN203048195U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320030733 Expired - Lifetime CN203048195U (en) | 2013-01-21 | 2013-01-21 | Amplitude changing device of stacker-reclaimer and stacker-reclaimer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203048195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072826A (en) * | 2013-01-21 | 2013-05-01 | 中国神华能源股份有限公司 | Variable amplitude device of material piling and taking device and material piling and taking device |
| CN103950737A (en) * | 2014-04-30 | 2014-07-30 | 钦州学院 | Electric bucket wheel stacker-reclaimer with servo driving linkage mechanism |
-
2013
- 2013-01-21 CN CN 201320030733 patent/CN203048195U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072826A (en) * | 2013-01-21 | 2013-05-01 | 中国神华能源股份有限公司 | Variable amplitude device of material piling and taking device and material piling and taking device |
| CN103072826B (en) * | 2013-01-21 | 2015-09-16 | 中国神华能源股份有限公司 | The luffing device of stacker-reclaimer and stacker-reclaimer |
| CN103950737A (en) * | 2014-04-30 | 2014-07-30 | 钦州学院 | Electric bucket wheel stacker-reclaimer with servo driving linkage mechanism |
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