CN103801428B - Boards hammer lifting device and crawler type disintegrating machine - Google Patents
Boards hammer lifting device and crawler type disintegrating machine Download PDFInfo
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- CN103801428B CN103801428B CN201410039576.9A CN201410039576A CN103801428B CN 103801428 B CN103801428 B CN 103801428B CN 201410039576 A CN201410039576 A CN 201410039576A CN 103801428 B CN103801428 B CN 103801428B
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Abstract
The invention discloses a kind of boards hammer lifting device and crawler type disintegrating machine, relate to technical field of engineering machinery.Solve the operation that prior art exists lifting bar, the technical problem wasted time and energy.This boards hammer lifting device comprises reciprocal telescopic mechanism and bracing frame, and wherein: described reciprocal telescopic mechanism comprises fixed part and movable part, and described fixed part is fixed on disintegrating machine, described movable part can move back and forth along predetermined direction relative to described fixed part; Support frame as described above is fixedly connected with described movable part, and support frame as described above is provided with the hanging structure that can mount bar.Crawler type disintegrating machine provided by the invention, comprises the boards hammer lifting device that the arbitrary technical scheme of hydraulic power supply, bar and the present invention provides.The present invention is for reducing the difficulty of boards hammer lifting operation.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of boards hammer lifting device and the crawler type disintegrating machine of this boards hammer lifting device is set.
Background technology
Crawler type disintegrating machine is a kind of equipment integrating the techniques such as material feeding, fragmentation, screening, deironing, transmission, and its critical piece has hopper, oscillating feeder, impact breaker, magnetic separator, screening machine, belt feeder etc.By outside material loading, stone or building waste are sent into hopper, mass transport to broken main frame is carried out fragmentation by oscillating feeder, and sorted out by reinforcing bar through deironing apparatus after fragmentation, unclassified stores is stacked separately through conveyer.
Impact breaker is a kind of crushing mechanism utilizing impact energy to carry out broken material.During machine operation, under the drive of motor, rotor high-speed rotates, when material enters bar active region, clash into fragmentation with epitrochanterian bar, after thrown to again on counterattack device again broken, then bar active region is bounce back into from beating lining plate again broken, this process repeats, until material is crushed to desired particle size, then is discharged by the discharging opening of impact breaker.
As shown in Figure 1, the broken main frame of the reaction type of crawler type disintegrating machine is primarily of parts compositions such as counterpunch board adjusting device 61, counterpunch board 62, beating lining plate 63, rotor 64, bar 65, abrasion-proof backing block 66, shell 67, auxiliary hood-opening devices 68.During machine operation, under the drive of motor, rotor high-speed rotates, when material enters bar active region, clash into fragmentation with epitrochanterian bar, after to be thrown to again on beating lining plate again broken, then bar active region is bounce back into from beating lining plate again again broken, this process repeats, until material is crushed to desired particle size, is discharged by discharging opening.Bar is fixed on rotor, and be the direct parts of impact material, serious wear, need often change.When changing bar, need to lift bar.
At present, domestic impact breaker boards hammer lifting mainly adopts the mode that manpower or hoisting machinery directly lift.
The present inventor finds, prior art at least exists following technical problem:
Existing boards hammer lifting mode, not only wastes time and energy, and the trouble that operates.
Summary of the invention
One of them object of the present invention is the crawler type disintegrating machine proposing a kind of boards hammer lifting device and arrange this boards hammer lifting device, solves the operation that prior art exists lifting bar, the technical problem wasted time and energy.Many technique effects (such as: easy to operate, safe and reliable) that optimal technical scheme of the present invention can produce refer to and hereafter set forth.
For achieving the above object, the invention provides following technical scheme:
The boards hammer lifting device that the embodiment of the present invention provides, comprises reciprocal telescopic mechanism and bracing frame, wherein:
Described reciprocal telescopic mechanism comprises fixed part and movable part, and described fixed part is fixed on disintegrating machine, and described movable part can move back and forth along predetermined direction relative to described fixed part;
Support frame as described above is fixedly connected with described movable part, and support frame as described above is provided with the hanging structure that can mount bar.
In one preferably or alternatively embodiment, support frame as described above comprises vertical portion and cross bar portion, wherein:
The length direction of described vertical portion is consistent with vertical direction, and described vertical portion is fixedly connected with described movable part;
The length direction in described cross bar portion parallels with horizontal direction;
Described hanging structure is arranged in described cross bar portion.
In one preferably or alternatively embodiment, support frame as described above also comprises connecting rod, and the two ends of described connecting rod are connected in described vertical portion and described cross bar portion.
In one preferably or alternatively embodiment, described cross bar portion is channel-section steel, and described hanging structure is the groove on described channel-section steel.
In one preferably or alternatively embodiment, described reciprocal telescopic mechanism is hydraulic jack or electric pushrod.
In one preferably or alternatively embodiment, described reciprocal telescopic mechanism is hydraulic jack, described fixed part be the cylinder barrel of described oil cylinder and piston rod one of them, described movable part be the cylinder barrel of described oil cylinder and piston rod wherein another.
In one preferably or alternatively embodiment, described boards hammer lifting device also comprises fuel tank, hydraulic power supply and control valve, wherein:
Described control valve is arranged on described fuel tank, oil circuit between described hydraulic power supply and described oil cylinder, and described control valve is when being in the first state, oil circuit conducting between the rodless cavity of described fuel tank and described oil cylinder, the oil circuit conducting between the rod chamber of described hydraulic power supply and described oil cylinder;
When described control valve is in the second state, the oil circuit conducting between the rod chamber of described fuel tank and described oil cylinder, the oil circuit conducting between the rodless cavity of described hydraulic power supply and described oil cylinder;
When described control valve is in the third state, the oil circuit between the rod chamber of described fuel tank and described oil cylinder ends, and the oil circuit between the rodless cavity of described hydraulic power supply and described oil cylinder ends.
In one preferably or alternatively embodiment, the oil circuit between described control valve and described fuel tank, described hydraulic power supply is also provided with bidirectional hydraulic lock, and described bidirectional hydraulic lock comprises the first hydraulic control one-way valve and the second hydraulic control one-way valve, wherein:
Described first hydraulic control one-way valve and described second hydraulic control one-way valve oil-in separately are all connected with described control valve, the oil-out of described first hydraulic control one-way valve is connected with the rod chamber of described oil cylinder, and the oil-out of described second hydraulic control one-way valve is connected with the rodless cavity of described oil cylinder;
The oil-in of described first hydraulic control one-way valve is also connected with the conducting control port of described second hydraulic control one-way valve with the oil circuit between described control valve;
The oil-in of described second hydraulic control one-way valve is also connected with the conducting control port of described first hydraulic control one-way valve with the oil circuit between described control valve.
In one preferably or alternatively embodiment, described vertical portion is fixedly installed on the first flange, described movable part and is fixedly installed the second flange, described vertical portion and described movable part to be formed with the connecting bolt of described second flange be detachably fixedly connected with by running through described first flange;
Described fixed part is fixedly installed the first connecting plate, the broken main frame of described disintegrating machine is fixedly installed the second connecting plate, described first connecting plate and described second connecting plate are provided with connecting through hole separately, and described first connecting plate and described second connecting plate to be formed with the set bolt of the connecting through hole of described second connecting plate be detachably fixedly connected with by running through described first connecting plate in the lump.In one preferably or alternatively embodiment, described bar is connected with hook and is articulated on described hanging structure by described hook.
The crawler type disintegrating machine that the embodiment of the present invention provides, comprises the boards hammer lifting device that the arbitrary technical scheme of hydraulic power supply, bar and the present invention provides.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Use boards hammer lifting device provided by the invention when broken main frame (such as: the broken main frame of reaction type) upper mounting plate hammer, can first be used by bar is articulated on the hanging structure of boards hammer lifting device support stand, then by regulating the mode of reciprocal telescopic mechanism, the position height of bar can be adjusted to suitable position (can be suitable height), then can the bar being in suitably height be arranged on broken main frame, and hook is separated with bar, lift in the process of bar owing to adopting boards hammer lifting device provided by the invention, without the need to adopting manpower or using hoisting machinery to carry out lifting operation, so more time saving and energy saving, solve the operation that prior art exists lifting bar, the technical problem wasted time and energy.
Optimal technical scheme provided by the invention compared with prior art at least can produce following technique effect:
1. the job site of crawler type disintegrating machine is generally in remote place, by boards hammer lifting device of the present invention, eliminates manpower or hoisting machinery directly lifts the trouble brought, uses manpower and material resources sparingly.
2. boards hammer lifting device of the present invention, version is compact, easy for installation, and hydraulic control, safe and reliable.
3, other parts of boards hammer lifting device of the present invention and crawler type disintegrating machine share the same power source, do not need to be equipped with independent hydraulic power source.
4. the flexible lifting that can realize bracing frame of hydraulic jack, convenient and simple for operation.
5., during rotary support frame, two hydraulic control one-way valves of hydraulic system are all in closed condition, and piston two-way is tightly locked, and bar can not fall easily, and security is better.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the broken main frame of reaction type of crawler type disintegrating machine in prior art;
The schematic diagram of the annexation of reciprocal telescopic mechanism and bracing frame in the boards hammer lifting device that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the crawler type disintegrating machine of boards hammer lifting device of Fig. 3 for arranging the embodiment of the present invention and providing;
The schematic diagram of annexation between reciprocal telescopic mechanism and control valve, bidirectional hydraulic lock in the crawler type disintegrating machine that Fig. 4 provides for the embodiment of the present invention;
Reference numeral: 1, reciprocal telescopic mechanism; 11, fixed part; 12, movable part; 2, bracing frame; 21, vertical portion; 22, cross bar portion; 23, connecting rod; 3, fuel tank; 4, control valve; 5, bidirectional hydraulic lock; 51, the first hydraulic control one-way valve; 52, the second hydraulic control one-way valve; 61, counterpunch board adjusting device; 62, counterpunch board; 63, beating lining plate; 64, rotor; 65, bar; 66, abrasion-proof backing block; 67, shell; 68, auxiliary hood-opening device; 71, connecting bolt; 72, set bolt; 8, broken main frame.
Detailed description of the invention
Content of the present invention and the distinctive points between the present invention and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 4 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means provided by the invention can be carried out replacing or two or more technological means or technical characteristic arbitrarily provided by the invention being carried out mutually combining and obtain new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art new technical scheme that two or more technological means or technical characteristic arbitrarily provided by the invention are carried out mutually combining and obtain.
Embodiments provide that a kind of operation lifting bar saves time, laborsaving and safe and reliable boards hammer lifting device and the crawler type disintegrating machine of this boards hammer lifting device is set.
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 4 carries out specifically to technical scheme provided by the invention.
As shown in Figure 1 to 4, the boards hammer lifting device that the embodiment of the present invention provides, comprises reciprocal telescopic mechanism 1 and bracing frame 2, wherein:
Reciprocal telescopic mechanism 1 comprises fixed part 11 and movable part 12, and fixed part 11 is fixed on disintegrating machine (being preferably broken main frame 8), and movable part 12 can move back and forth along predetermined direction (being preferably vertical direction) relative to fixed part 11.
Bracing frame 2 is fixedly connected with movable part 12, and bracing frame 2 is provided with the hanging structure that can mount bar.
Use boards hammer lifting device provided by the invention when broken main frame (such as: the broken main frame of reaction type) 8 upper mounting plate hammer, can first bar be articulated on the hanging structure of bracing frame 2 of boards hammer lifting device, then by regulating the mode of reciprocal telescopic mechanism 1, the position height of bar can be adjusted to suitable height, then can the bar being in suitably height be arranged on broken main frame 8, due to without the need to adopting manpower or use hoisting machinery to carry out lifting operation, so more time saving and energy saving.
As one preferably or alternatively embodiment, bracing frame 2 comprises vertical portion 21 and cross bar portion 22, and wherein: the length direction of vertical portion 21 is consistent with vertical direction, and vertical portion 21 is fixedly connected with movable part 12.The length direction in cross bar portion 22 parallels with horizontal direction.Hanging structure is arranged in cross bar portion 22.
Said structure is not only simple, and is convenient to the mounting mutually with the hook be connected with bar.
As one preferably or alternatively embodiment, bracing frame 2 also comprises connecting rod 23, and the two ends of connecting rod 23 are connected to vertical portion 21 with in cross bar portion 22.Connecting rod 23 can strengthen the vertical portion 21 of bracing frame 2 and the bonding strength in cross bar portion 22.
As one preferably or alternatively embodiment, cross bar portion 22 is channel-section steel, and hanging structure is the groove on channel-section steel.Channel-section steel is not only convenient to draw materials, with low cost, and the groove on channel-section steel is also convenient to mounting and the excision of hook.
As one preferably or alternatively embodiment, reciprocal telescopic mechanism 1 is hydraulic jack or electric pushrod, is preferably hydraulic jack.Hydraulic jack a kind ofly hydraulic energy is converted to mechanical force and can realizes the device of rectilinear motion.Hydraulic jack is good reliability not only, and in the process of mounting bar, staff rotary support frame 2 can be used to adjust bar position in the horizontal direction.
As one preferably or alternatively embodiment, reciprocal telescopic mechanism 1 is hydraulic jack, fixed part 11 is the cylinder barrel of hydraulic jack and piston rod (or claim: cylinder bar) one of them (being preferably cylinder barrel), movable part 12 be the cylinder barrel of hydraulic jack and piston rod wherein another (preferably piston rod).
The cylinder barrel outer surface of hydraulic jack is comparatively large, is convenient to carry out attended operation with disintegrating machine.
As one preferably or alternatively embodiment, it can be proportion magnetic valve that boards hammer lifting device also comprises fuel tank 3, hydraulic power supply (such as: hydraulic pump) and control valve 4(, is preferably electro-hydraulic proportion reversing valve), wherein:
Control valve 4 is arranged on fuel tank 3, hydraulic power supply and reciprocal telescopic mechanism 1 oil circuit that is between oil cylinder, and control valve 4 is when being in the first state (in Fig. 4 for left position), oil circuit conducting between fuel tank 3 and the rodless cavity of oil cylinder, the oil circuit conducting between hydraulic power supply and the rod chamber of oil cylinder.
When control valve 4 is in the second state (being right position in Fig. 4), the oil circuit conducting between fuel tank 3 and the rod chamber of oil cylinder, the oil circuit conducting between hydraulic power supply and the rodless cavity of oil cylinder.
When control valve 4 is in the third state (being meta in Fig. 4), the oil circuit between fuel tank 3 and the rod chamber of oil cylinder ends, the oil circuit cut-off between hydraulic power supply and the rodless cavity of oil cylinder.
By the state of switching control valve 4, the control of the direction of relative movement to the reciprocal telescopic mechanism 1 i.e. piston rod of oil cylinder and cylinder barrel can be realized, and then can realize bracing frame 2 and the adjustment of height and position being articulated in the bar on bracing frame 2.
Electro-hydraulic proportion reversing valve is that in a kind of valve, proportion electro-magnet produces corresponding actions according to the voltage signal of input, makes operating valve spool produce displacement, port size change and complete the pressure proportional with input voltage with this, element that flow exports.Electro-hydraulic proportion reversing valve is used to have the advantage being convenient to control as control valve 4.
As one preferably or alternatively embodiment, the oil circuit between control valve 4 and fuel tank 3, hydraulic power supply is also provided with bidirectional hydraulic lock 5, and bidirectional hydraulic lock 5 comprises the first hydraulic control one-way valve 51 and the second hydraulic control one-way valve 52, wherein:
First hydraulic control one-way valve 51 and the respective oil-in of the second hydraulic control one-way valve 52 are all connected with control valve 4, and the oil-out of the first hydraulic control one-way valve 51 is connected with the rod chamber of oil cylinder, and the oil-out of the second hydraulic control one-way valve 52 is connected with the rodless cavity of oil cylinder.
The oil-in of the first hydraulic control one-way valve 51 is also connected with the conducting control port of the second hydraulic control one-way valve 52 with the oil circuit between control valve 4.
The oil-in of the second hydraulic control one-way valve 52 is also connected with the conducting control port of the first hydraulic control one-way valve 51 with the oil circuit between control valve 4.
Bidirectional hydraulic lock, as the term suggests be exactly one " lock ", pins hydraulic oil circuit exactly, does not allow loop fluid have flowing, even if to ensure that oil cylinder has when certain load still can keep its position transfixion in the external world.
The using method of boards hammer lifting device provided by the invention is as follows:
When needs lifting bar, wait (not shown in FIG.) to be affiliated on bracing frame 2 by bar by hook, hydraulic control oil cylinder stretches, and drives bracing frame 2 and is affiliated to the lifting of superincumbent bar, auxiliary manpower rotary support frame 2 adjustment direction, thus realize the lifting to bar.
Other parts (such as: other hydraulic actuator) of boards hammer lifting device of the present invention and crawler type disintegrating machine share same hydraulic power supply (can be hydraulic pump), without the need to independent configuration.When bracing frame 2 rises by needs, the right position of control valve 4 is in running order, pressure oil enters the cavity of resorption of hydraulic jack through left side hydraulic control one-way valve, opening the right hydraulic control one-way valve by controlling mouth simultaneously, making the oil return of hydraulic jack epicoele can flow back to fuel tank 3 through the right hydraulic control one-way valve and control valve 4.When needing rotary support frame 2, control valve 4 works in meta, and two hydraulic control one-way valves are all in closed condition, and piston two-way is locked.When bracing frame 2 lands by needs, the left position of control valve 4 is in running order, the hydraulic control one-way valve of pressure oil through the right enters the epicoele of hydraulic jack, opening left side hydraulic control one-way valve by controlling mouth simultaneously, making the oil return of hydraulic cylinder lower cavity oil flow back to fuel tank 3 through left side hydraulic control one-way valve and control valve 4.
As one preferably or alternatively embodiment, vertical portion 21 is fixedly installed on the first flange, movable part 12 and is fixedly installed the second flange, vertical portion 21 and both movable parts 12 to be formed with the connecting bolt 71 of the second flange be detachably fixedly connected with by running through the first flange.
Fixed part 11 is fixedly installed the first connecting plate, disintegrating machine is fixedly installed the second connecting plate, first connecting plate and the second connecting plate are provided with connecting through hole separately, and the first connecting plate and the second connecting plate to be formed with the set bolt 72 of the connecting through hole of the second connecting plate be detachably fixedly connected with by running through the first connecting plate in the lump.Bar can be connected with hook and be articulated on hanging structure by hook.
Above-mentioned syndeton not only simple, be convenient to handling, and be convenient to manufacture, with low cost.
The crawler type disintegrating machine that the embodiment of the present invention provides, comprises the boards hammer lifting device that the arbitrary technical scheme of hydraulic power supply, bar and the present invention provides.
Boards hammer lifting device can use the hydraulic power supply that in crawler type disintegrating machine, other hydraulic actuating mechanisms use, and certainly, also can be equipped with hydraulic power supply separately.In the present embodiment, boards hammer lifting device is preferably and uses the hydraulic power supply that in crawler type disintegrating machine, other hydraulic actuating mechanisms have used.So more save cost, also can not increase volume and the weight of crawler type disintegrating machine.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values to illustrate technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (9)
1. a boards hammer lifting device, is characterized in that, comprises reciprocal telescopic mechanism (1) and bracing frame (2), wherein:
Described reciprocal telescopic mechanism (1) comprises fixed part (11) and movable part (12), described fixed part (11) is fixed on disintegrating machine, and described movable part (12) can move back and forth along predetermined direction relative to described fixed part (11);
Support frame as described above (2) is fixedly connected with described movable part (12), and support frame as described above (2) is provided with the hanging structure that can mount bar;
Support frame as described above (2) comprises vertical portion (21) and cross bar portion (22), wherein:
The length direction of described vertical portion (21) is consistent with vertical direction, and described vertical portion (21) are fixedly connected with described movable part (12);
The length direction of described cross bar portion (22) parallels with horizontal direction;
Described hanging structure is arranged on described cross bar portion (22).
2. boards hammer lifting device according to claim 1, it is characterized in that, support frame as described above also comprises connecting rod, and the two ends of described connecting rod are connected in described vertical portion and described cross bar portion.
3. boards hammer lifting device according to claim 2, is characterized in that, described cross bar portion is channel-section steel, and described hanging structure is the groove on described channel-section steel.
4. boards hammer lifting device according to claim 1, is characterized in that, described reciprocal telescopic mechanism is hydraulic jack or electric pushrod.
5. boards hammer lifting device according to claim 4, is characterized in that, described reciprocal telescopic mechanism is hydraulic jack, described fixed part be the cylinder barrel of described oil cylinder and piston rod one of them, described movable part be the cylinder barrel of described oil cylinder and piston rod wherein another.
6. boards hammer lifting device according to claim 5, is characterized in that, described boards hammer lifting device also comprises fuel tank, hydraulic power supply and control valve, wherein:
Described control valve is arranged on described fuel tank, oil circuit between described hydraulic power supply and described oil cylinder, and described control valve is when being in the first state, oil circuit conducting between the rodless cavity of described fuel tank and described oil cylinder, the oil circuit conducting between the rod chamber of described hydraulic power supply and described oil cylinder;
When described control valve is in the second state, the oil circuit conducting between the rod chamber of described fuel tank and described oil cylinder, the oil circuit conducting between the rodless cavity of described hydraulic power supply and described oil cylinder;
When described control valve is in the third state, the oil circuit between the rod chamber of described fuel tank and described oil cylinder ends, and the oil circuit between the rodless cavity of described hydraulic power supply and described oil cylinder ends.
7. boards hammer lifting device according to claim 6, it is characterized in that, oil circuit between described control valve and described fuel tank, described hydraulic power supply is also provided with bidirectional hydraulic lock, and described bidirectional hydraulic lock comprises the first hydraulic control one-way valve and the second hydraulic control one-way valve, wherein:
Described first hydraulic control one-way valve and described second hydraulic control one-way valve oil-in separately are all connected with described control valve, the oil-out of described first hydraulic control one-way valve is connected with the rod chamber of described oil cylinder, and the oil-out of described second hydraulic control one-way valve is connected with the rodless cavity of described oil cylinder;
The oil-in of described first hydraulic control one-way valve is also connected with the conducting control port of described second hydraulic control one-way valve with the oil circuit between described control valve;
The oil-in of described second hydraulic control one-way valve is also connected with the conducting control port of described first hydraulic control one-way valve with the oil circuit between described control valve.
8. according to the arbitrary described boards hammer lifting device of claim 1-3, it is characterized in that, described vertical portion is fixedly installed on the first flange, described movable part and is fixedly installed the second flange, described vertical portion and described movable part to be formed with the connecting bolt of described second flange be detachably fixedly connected with by running through described first flange;
Described fixed part is fixedly installed the first connecting plate, the broken main frame of described disintegrating machine is fixedly installed the second connecting plate, described first connecting plate and described second connecting plate are provided with connecting through hole separately, and described first connecting plate and described second connecting plate to be formed with the set bolt of the connecting through hole of described second connecting plate be detachably fixedly connected with by running through described first connecting plate in the lump.
9. a crawler type disintegrating machine, is characterized in that, comprises the arbitrary described boards hammer lifting device of hydraulic power supply, bar and claim 1-8.
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| CN201410039576.9A CN103801428B (en) | 2014-01-27 | 2014-01-27 | Boards hammer lifting device and crawler type disintegrating machine |
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| CN201410039576.9A CN103801428B (en) | 2014-01-27 | 2014-01-27 | Boards hammer lifting device and crawler type disintegrating machine |
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| CN103801428B true CN103801428B (en) | 2016-03-02 |
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| CN103801428A (en) | 2014-05-21 |
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