CN103801428A - Flat hammer hoisting device and crawler type crusher - Google Patents
Flat hammer hoisting device and crawler type crusher Download PDFInfo
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- CN103801428A CN103801428A CN201410039576.9A CN201410039576A CN103801428A CN 103801428 A CN103801428 A CN 103801428A CN 201410039576 A CN201410039576 A CN 201410039576A CN 103801428 A CN103801428 A CN 103801428A
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Abstract
The invention discloses a flat hammer hoisting device and a crawler type crusher, relating to the technical field of engineering machinery and solving the technical problems that the hoisting of the flat hammer in the prior art wastes time and effort. The flat hammer hoisting device comprises a reciprocating telescopic mechanism and a support frame, wherein the reciprocating telescopic mechanism consists of a fixed part and a movable part, the fixed part is fixedly arranged on the crusher, the movable part does reciprocating movement along the preset direction relative to the fixed part; the support frame and the movable part are fixedly connected, and the support frame is provided with a hooking structure which can hook the flat hammer. The crawler type crusher consists of a hydraulic power source, the flat hammer and the flat hammer hoisting device provided by any one technical scheme. According to the flat hammer hoisting device and the crawler type crusher, the difficulty for flat hammer hoisting operation can be reduced.
Description
Technical field
The present invention relates to technical field of engineering machinery, relate in particular 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 that integrates 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, after fragmentation, through deironing apparatus, reinforcing bar sorted out, and unclassified stores is stacked separately through conveyer.
Impact breaker is a kind of crushing mechanism that utilizes impact energy to carry out broken material.When machine work, under the drive of motor, rotor high-speed rotation, when material enters bar active region, with epitrochanterian bar clash into broken, after thrown to again on counterattack device again broken, then bounce back into bar active region 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 mainly made up of parts 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.When machine work, under the drive of motor, rotor high-speed rotation, when material enters bar active region, with epitrochanterian bar clash into broken, after thrown to again on beating lining plate again broken, then bounce back into bar active region 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, is the direct parts that impact material, and serious wear, need often change.While changing bar, need to lift bar.
At present, domestic impact breaker boards hammer lifting mainly adopts the directly mode of lifting of manpower or hoisting machinery.
Inventor's discovery, at least there is following technical problem in prior art:
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 that proposes a kind of boards hammer lifting device and this boards hammer lifting device is set, and has solved prior art and has had the operation that lifts bar, the technical problem wasting time and energy.Many technique effects (for example: easy to operate, safe and reliable) that optimal technical scheme of the present invention can produce refer to below sets 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 telescoping mechanism and bracing frame, wherein:
Described reciprocal telescoping 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 with respect to described fixed part;
Support frame as described above is fixedly connected with described movable part, and on support frame as described above, is provided with the hanging structure that can articulate bar.
At one, preferably or alternatively in 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 of described cross bar portion parallels with horizontal direction;
Described hanging structure is arranged in described cross bar portion.
At one, preferably or alternatively in 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.
At one preferably or alternatively in embodiment, described cross bar portion is channel-section steel, and described hanging structure is the groove on described channel-section steel.
At one, preferably or alternatively in embodiment, described reciprocal telescoping mechanism is hydraulic jack or electric pushrod.
At one, preferably or alternatively in embodiment, described reciprocal telescoping mechanism is hydraulic jack, the cylinder barrel that described fixed part is described oil cylinder and piston rod one of them, the cylinder barrel that described movable part is described oil cylinder and piston rod wherein another.
At one, preferably or alternatively in embodiment, described boards hammer lifting device also comprises fuel tank, hydraulic power supply and control valve, wherein:
Described control valve is arranged on the oil circuit between described fuel tank, described hydraulic power supply and described oil cylinder, and described control valve is in the time of the first state, oil circuit conducting between described fuel tank and the rodless cavity of described oil cylinder, the oil circuit conducting between described hydraulic power supply and the rod chamber of described oil cylinder;
Described control valve in the time of the second state, the oil circuit conducting between described fuel tank and the rod chamber of described oil cylinder, the oil circuit conducting between described hydraulic power supply and the rodless cavity of described oil cylinder;
Described control valve is in the time of the third state, and the oil circuit between described fuel tank and the rod chamber of described oil cylinder ends, the oil circuit cut-off between described hydraulic power supply and the rodless cavity of described oil cylinder.
Preferably or alternatively in embodiment, on the oil circuit between described control valve and described fuel tank, described hydraulic power supply, be also provided with bidirectional hydraulic lock at one, described bidirectional hydraulic lock comprises the first hydraulic control one-way valve and the second hydraulic control one-way valve, wherein:
Described the first hydraulic control one-way valve and described the second hydraulic control one-way valve oil-in separately are all connected with described control valve, the oil-out of described the first hydraulic control one-way valve is connected with the rod chamber of described oil cylinder, and the oil-out of described the second hydraulic control one-way valve is connected with the rodless cavity of described oil cylinder;
Oil circuit between the oil-in of described the first hydraulic control one-way valve and described control valve is also connected with the conducting control port of described the second hydraulic control one-way valve;
Oil circuit between the oil-in of described the second hydraulic control one-way valve and described control valve is also connected with the conducting control port of described the first hydraulic control one-way valve.
At one preferably or alternatively in embodiment, on described vertical portion, be fixedly installed on the first flange, described movable part and be fixedly installed the second flange, described vertical portion forms detachably and is fixedly connected with the connecting bolt of described the second flange by running through described the first flange with described movable part;
On described fixed part, be fixedly installed the first connecting plate, on the broken main frame of described disintegrating machine, be fixedly installed the second connecting plate, on described the first connecting plate and described the second connecting plate, be provided with separately connecting through hole, described the first connecting plate forms detachably and is fixedly connected with the set bolt of the connecting through hole of described the second connecting plate by running through in the lump described the first connecting plate with described the second connecting plate.At one, preferably or alternatively in 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 for example, in the time of broken main frame (: the broken main frame of reaction type) upper mounting plate hammer, can first bar be used and is articulated on the hanging structure of boards hammer lifting device support stand, then can the position height of bar be adjusted to suitable position (can be suitable height) by the mode that regulates reciprocal telescoping mechanism, then can will be arranged on broken main frame in the bar of suitable height, and will link up with bar and separate, owing to adopting in the process of boards hammer lifting device lifting bar provided by the invention, without adopting manpower or carrying out lifting operation with hoisting machinery, so more time saving and energy saving, solve prior art and had the operation that lifts bar, the technical problem wasting time and energy.
Optimal technical scheme provided by the invention compared with prior art at least can produce following technique effect:
1. manpower or the hoisting machinery trouble that directly lifting brings, generally in remote place, by boards hammer lifting device of the present invention, has been saved in the job site of crawler type disintegrating machine, uses manpower and material resources sparingly.
2. boards hammer lifting device of the present invention, version compactness, 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. when 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, forms the application's a part, and schematic description and description of the present invention is used 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 reciprocal schematic diagram of the annexation of telescoping 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 that Fig. 3 is the boards hammer lifting device that the embodiment of the present invention is set provides;
The reciprocal schematic diagram of annexation between telescoping 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 telescoping 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.
The specific embodiment
Can understand the distinctive points between content of the present invention and the present invention and prior art with reference to accompanying drawing Fig. 1～Fig. 4 and word content below.Below by accompanying drawing and enumerate the mode of optional 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 characterictic in the present embodiment, any technical scheme is all one or more in technical characterictic or the optional technical scheme of plurality of optional, cannot exhaustive all alternative technical characterictics of the present invention and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic 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 replaced or arbitrarily two or more technological means provided by the invention or technical characterictic are combined mutually and obtain new technical scheme.Any technical characterictic and any technical scheme in the present embodiment 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 two or more technological means arbitrarily provided by the invention or technical characterictic are combined mutually and the new technical scheme that obtains.
The embodiment of the present invention provides that a kind of operation that lifts 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 Fig. 1～Fig. 4, technical scheme provided by the invention is carried out to more detailed elaboration.
As shown in Figure 1 to 4, the boards hammer lifting device that the embodiment of the present invention provides, comprises reciprocal telescoping mechanism 1 and bracing frame 2, wherein:
Back and forth telescoping mechanism 1 comprises fixed part 11 and movable part 12, and it is upper that 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) with respect to fixed part 11.
Use boards hammer lifting device provided by the invention for example, in the time of broken main frame (: 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 can the position height of bar be adjusted to suitable height by the mode that regulates reciprocal telescoping mechanism 1, then can will be arranged in the bar of suitable height on broken main frame 8, due to without adopting manpower or carrying out lifting operation with hoisting machinery, so more time saving and energy saving.
As preferably or alternatively embodiment of one, 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 of 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 articulating mutually with the hook being connected with bar.
As preferably or alternatively embodiment of one, bracing frame 2 also comprises connecting rod 23, and the two ends of connecting rod 23 are connected in vertical portion 21 and cross bar portion 22.Connecting rod 23 can strengthen the vertical portion 21 of bracing frame 2 and the bonding strength of cross bar portion 22.
As preferably or alternatively embodiment of one, 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 groove on channel-section steel is also convenient to articulating and extracing of hook.
As preferably or alternatively embodiment of one, back and forth telescoping mechanism 1 is hydraulic jack or electric pushrod, is preferably hydraulic jack.Hydraulic jack is that one is converted to hydraulic energy mechanical force and can realizes straight-line device.Hydraulic jack is good reliability not only, and in the process that articulates bar, can use staff rotary support frame 2 so that bar position is in the horizontal direction adjusted.
As preferably or alternatively embodiment of one, back and forth telescoping mechanism 1 is hydraulic jack, the cylinder barrel that fixed part 11 is hydraulic jack and piston rod (or claiming: cylinder bar) one of them (being preferably cylinder barrel), movable part 12 is cylinder barrel and wherein another (being preferably piston rod) of piston rod of hydraulic jack.
The cylinder barrel outer surface of hydraulic jack is larger, is convenient to carry out attended operation with disintegrating machine.
As preferably or alternatively embodiment of one, boards hammer lifting device also comprises that fuel tank 3, hydraulic power supply (for example: hydraulic pump) and control valve 4(can be proportion magnetic valve, are preferably electro-hydraulic proportion reversing valve), wherein:
It is on the oil circuit between oil cylinder that control valve 4 is arranged on fuel tank 3, hydraulic power supply and reciprocal telescoping mechanism 1, and control valve 4 is when the first state (in Fig. 4 be 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.
By the state of switching control valve 4, the control that can to realize reciprocal telescoping mechanism 1 be the piston rod of oil cylinder and the direction of relative movement of cylinder barrel, and then can realize bracing frame 2 and be articulated in the adjusting of the height and position of the bar on bracing frame 2.
Electro-hydraulic proportion reversing valve is that proportion electro-magnet produces corresponding actions according to the voltage signal of input in a kind of valve, makes operating valve spool produce displacement, and port size changes and completes the element of pressure proportional to input voltage, flow output with this.Use electro-hydraulic proportion reversing valve to have advantages of and be convenient to control as control valve 4.
As preferably or alternatively embodiment of one, on the oil circuit between control valve 4 and fuel tank 3, hydraulic power supply, be also provided with bidirectional hydraulic lock 5, bidirectional hydraulic lock 5 comprises the first hydraulic control one-way valve 51 and the second hydraulic control one-way valve 52, wherein:
The first hydraulic control one-way valve 51 and the second hydraulic control one-way valve 52 oil-in separately are all connected with control valve 4, and first oil-out of hydraulic control one-way valve 51 and the rod chamber of oil cylinder are connected, and second oil-out of hydraulic control one-way valve 52 and the rodless cavity of oil cylinder are connected.
Oil circuit between the oil-in of the first hydraulic control one-way valve 51 and control valve 4 is also connected with the conducting control port of the second hydraulic control one-way valve 52.
Oil circuit between the oil-in of the second hydraulic control one-way valve 52 and control valve 4 is also connected with the conducting control port of the first hydraulic control one-way valve 51.
Bidirectional hydraulic lock, as the term suggests be exactly one " lock ", pins hydraulic oil circuit exactly, does not allow loop fluid have mobile, even to guarantee that oil cylinder still can keep its position transfixion in the situation that of having certain load in the external world.
The using method of boards hammer lifting device provided by the invention is as follows:
In the time that needs lift bar, wait (not shown in FIG.) that bar is affiliated on bracing frame 2 by hook, control hydraulic jack flexible, drive bracing frame 2 and be affiliated to the lifting of superincumbent bar, auxiliary manpower rotary support frame 2 is adjusted direction, thereby realizes the lifting to bar.
Other parts (for example: 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 independent configuration.In the time that needs rise bracing frame 2, 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, open the right hydraulic control one-way valve by controlling mouth simultaneously, make the oil return of hydraulic jack epicoele flow back to fuel tank 3 through the right hydraulic control one-way valve and control valve 4.While 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.In the time that needs land bracing frame 2, the left position of control valve 4 is in running order, pressure oil enters the epicoele of hydraulic jack through the hydraulic control one-way valve on the right, open left side hydraulic control one-way valve by controlling mouth simultaneously, make 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 preferably or alternatively embodiment of one, on vertical portion 21, be fixedly installed on the first flange, movable part 12 and be fixedly installed the second flange, both form vertical portion 21 and movable part 12 detachably and are fixedly connected with the connecting bolt 71 of the second flange by running through the first flange.
On fixed part 11, be fixedly installed the first connecting plate, on disintegrating machine, be fixedly installed the second connecting plate, on the first connecting plate and the second connecting plate, be provided with separately connecting through hole, the first connecting plate forms detachably and is fixedly connected with the set bolt 72 of the connecting through hole of the second connecting plate by running through in the lump the first connecting plate with the second connecting plate.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 separately hydraulic power supply.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.
The disclosed arbitrary technical scheme of the invention described above unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the present invention just discloses part numerical value to illustrate technical scheme of the present invention, and the above-mentioned numerical value of enumerating should not form the restriction to the invention protection domain.
If used the word such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe above parts are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if the invention described above discloses or has related 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 dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of the invention described above applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts provided by the invention can be both to be assembled by multiple independent parts, the produced separate part of the technique that also can be one of the forming.
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 the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; 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 protection of the present invention.
Claims (10)
1. a boards hammer lifting device, is characterized in that, comprises reciprocal telescoping mechanism and bracing frame, wherein:
Described reciprocal telescoping 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 with respect to described fixed part;
Support frame as described above is fixedly connected with described movable part, and on support frame as described above, is provided with the hanging structure that can articulate bar.
2. boards hammer lifting device according to claim 1, is characterized in that, 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 of described cross bar portion parallels with horizontal direction;
Described hanging structure is arranged in described cross bar portion.
3. boards hammer lifting device according to claim 2, 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.
4. boards hammer lifting device according to claim 3, is characterized in that, described cross bar portion is channel-section steel, and described hanging structure is the groove on described channel-section steel.
5. boards hammer lifting device according to claim 1, is characterized in that, described reciprocal telescoping mechanism is hydraulic jack or electric pushrod.
6. boards hammer lifting device according to claim 5, is characterized in that, described reciprocal telescoping mechanism is hydraulic jack, the cylinder barrel that described fixed part is described oil cylinder and piston rod one of them, the cylinder barrel that described movable part is described oil cylinder and piston rod wherein another.
7. boards hammer lifting device according to claim 6, 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 the oil circuit between described fuel tank, described hydraulic power supply and described oil cylinder, and described control valve is in the time of the first state, oil circuit conducting between described fuel tank and the rodless cavity of described oil cylinder, the oil circuit conducting between described hydraulic power supply and the rod chamber of described oil cylinder;
Described control valve in the time of the second state, the oil circuit conducting between described fuel tank and the rod chamber of described oil cylinder, the oil circuit conducting between described hydraulic power supply and the rodless cavity of described oil cylinder;
Described control valve is in the time of the third state, and the oil circuit between described fuel tank and the rod chamber of described oil cylinder ends, the oil circuit cut-off between described hydraulic power supply and the rodless cavity of described oil cylinder.
8. boards hammer lifting device according to claim 7, it is characterized in that, on oil circuit between described control valve and described fuel tank, described hydraulic power supply, be also provided with bidirectional hydraulic lock, described bidirectional hydraulic lock comprises the first hydraulic control one-way valve and the second hydraulic control one-way valve, wherein:
Described the first hydraulic control one-way valve and described the second hydraulic control one-way valve oil-in separately are all connected with described control valve, the oil-out of described the first hydraulic control one-way valve is connected with the rod chamber of described oil cylinder, and the oil-out of described the second hydraulic control one-way valve is connected with the rodless cavity of described oil cylinder;
Oil circuit between the oil-in of described the first hydraulic control one-way valve and described control valve is also connected with the conducting control port of described the second hydraulic control one-way valve;
Oil circuit between the oil-in of described the second hydraulic control one-way valve and described control valve is also connected with the conducting control port of described the first hydraulic control one-way valve.
9. according to the arbitrary described boards hammer lifting device of claim 2-4, it is characterized in that, on described vertical portion, be fixedly installed on the first flange, described movable part and be fixedly installed the second flange, described vertical portion forms detachably and is fixedly connected with the connecting bolt of described the second flange by running through described the first flange with described movable part;
On described fixed part, be fixedly installed the first connecting plate, on the broken main frame of described disintegrating machine, be fixedly installed the second connecting plate, on described the first connecting plate and described the second connecting plate, be provided with separately connecting through hole, described the first connecting plate forms detachably and is fixedly connected with the set bolt of the connecting through hole of described the second connecting plate by running through in the lump described the first connecting plate with described the second connecting plate.
10. a crawler type disintegrating machine, is characterized in that, comprises the arbitrary described boards hammer lifting device of hydraulic power supply, bar and claim 1-9.
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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 CN103801428B (en) | 2016-03-02 |
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| 兰兴发: "更换板锤的有效装置", 《水泥技术》 * |
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| CN103801428B (en) | 2016-03-02 |
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Effective date of registration: 20200512 Address after: 221004 Jiangsu city of Xuzhou province Xuzhou economic and Technological Development Zone of High Road No. 39 Patentee after: XUZHOU XCMG MINING MACHINERY Co.,Ltd. Address before: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XUZHOU XCMG SCHWING MACHINERY Co.,Ltd. |