CN103331193A - Adjusting device of counterattack rack and crashing machine - Google Patents
Adjusting device of counterattack rack and crashing machine Download PDFInfo
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- CN103331193A CN103331193A CN2013102976362A CN201310297636A CN103331193A CN 103331193 A CN103331193 A CN 103331193A CN 2013102976362 A CN2013102976362 A CN 2013102976362A CN 201310297636 A CN201310297636 A CN 201310297636A CN 103331193 A CN103331193 A CN 103331193A
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Abstract
The invention discloses an adjusting device of a counterattack rack and a crashing machine, relates to the technical field of engineering machinery, and solves the technical problems that the function is single and the usage is inconvenient in the prior art. The adjusting device of the counterattack rack comprises a connecting rod, a spring, a positioning plate and an oil cylinder, wherein the oil cylinder comprises a cylinder barrel and a piston rod with two ends extending out of the cylinder barrel; a first oil port and a second oil port are formed in the cylinder barrel; the connecting rod is sleeved with both the piston rod and the spring; both the piston rod and the spring can slide relative to the connecting rod; a mounting hole is formed in the positioning plate; the cylinder barrel is fixedly connected with the positioning plate; both the piston rod and the connecting rod penetrate through the mounting hole in the positioning plate; an adjustment piece can be detachably and fixedly connected to one end, deviated from the spring, of the connecting rod; and the adjustment piece abuts against the piston rod of the oil cylinder. The crashing machine comprises the adjusting device of the counterattack rack. The adjusting device of the counterattack rack and the crashing machine are used for improving the usage convenience of the adjusting device of the counterattack rack.
Description
Technical field
The present invention relates to technical field of engineering machinery, be specifically related to a kind of crushing mechanism of strikeing back the frame adjusting device and this counterattack frame adjusting device being set.
Background technology
Impact breaker is a kind of crushing mechanism that utilizes impact energy to come broken material.
Impact breaker mainly is made up of parts such as strikeing back frame adjusting device 90, counterattack frame 91, counterattack liner plate 92, rotor 93, bar 94, abrasion-proof backing block 95, shell 96, auxiliary hood-opening device 97 as shown in Figure 1.During machine works, under the drive of motor, rotor 93 rotation at a high speed, when material enters bar 94 active regions, broken with bar 94 bump on the rotor 93, after thrown to again on the counterattack liner plate 92 broken again, it is broken again to bounce back into bar 94 active regions from counterattack liner plate 92 again then, this process repeats, and is crushed to desired particle size up to material, is discharged by discharging opening.Counterattack liner plate 92 is fixed on the counterattack frame 91, can change the spacing of strikeing back between liner plate 92 and the rotor 93 by the angle of adjusting counterattack frame 91, and then reaches the purpose that changes material discharging-material size and material shapes.In the prior art, the spacing between counterattack liner plate 92 and the rotor 93 substantially all adopts the artificial mode of adjusting, and does not possess automatic control function.
In the prior art, the counterattack frame adjusting device of domestic impact breaker mainly contains three kinds of forms.
First kind of counterattack frame adjusting device as shown in Figure 2, its inner spring compresses degree and can not adjust;
Second kind of counterattack frame adjusting device as shown in Figure 3, its inner spring compresses degree and can adjust separately, and counterpunch board and rotor spacing also can be adjusted separately;
The third counterattack frame adjusting device as shown in Figure 4, its inner spring compresses degree and can adjust separately, and counterpunch board and rotor spacing adopt hydraulic jack and pad adjustment.
There is following technical problem at least in prior art:
In above-mentioned three kinds of counterattack frame adjusting devices that prior art provides, the shortcoming of first kind of counterattack frame adjusting device as shown in Figure 2 is that pressing force of the spring can not be adjusted;
The shortcoming of second kind of counterattack frame adjusting device is that structure is not compact as shown in Figure 3, and the screw rod of counterattack frame adjusting device is general relatively thicker, the manpower adjustment get up to waste time and energy regulate cumbersome.
Counterattack liner plate in the third counterattack frame adjusting device as shown in Figure 4 and the spacing of rotor are adjusted with pad, though employing hydraulic jack, but structure is not compact, must manually increase after the piston rod of hydraulic jack stretches out and adjust pad, hydraulic jack does not have hydraulic lock, can not control spacing in real time with controller, inconvenience is regulated at any time.
The inventor also finds: the counterattack frame adjusting device of the impact breaker of above-mentioned form all can not feed back the spacing between counterattack liner plate and the rotor in real time.
Summary of the invention
The objective of the invention is to propose a kind of crushing mechanism of strikeing back the frame adjusting device and this counterattack frame adjusting device being set, solved prior art and had function singleness, awkward technical problem.In addition, optimal technical scheme provided by the invention also have compact conformation, easy for installation, safe and reliable, automaticity is high, and spacing is adjusted the high advantage of accuracy between counterattack liner plate and the rotor.
For achieving the above object, the invention provides following technical scheme:
The counterattack frame adjusting device that the embodiment of the invention provides comprises connecting rod, spring, location-plate and oil cylinder, wherein:
Described oil cylinder comprises that cylinder barrel and two ends extend the piston rod of described cylinder barrel, described cylinder barrel is provided with first hydraulic fluid port and second hydraulic fluid port, described piston rod is that the outer surface of tubulose and described piston rod is installed with cyclic convex edge, and the inwall of the cylinder barrel between described first hydraulic fluid port and described second hydraulic fluid port connects with described cyclic convex edge and both form liquid sealing and are connected;
Described piston rod and described spring all are set on the described connecting rod, and described piston rod and described spring all can slide with respect to described connecting rod;
Described location-plate is provided with installing hole, and described cylinder barrel is fixedlyed connected with described location-plate, and described piston rod and described connecting rod all run through the described installing hole on the described location-plate;
The end that described connecting rod deviates from described spring also detachably is fixedly connected with adjustment part, and the piston rod of described adjustment part and described oil cylinder connects.
Described connecting rod is screw rod preferably or alternatively among the embodiment at one, wherein:
Described connecting rod is disposed with thread segment and smooth section along its axial direction, and described thread segment is provided with external screw thread, and the circumferential exterior surface of described smooth section is smooth surface;
Described spring housing is located on the smooth section of described connecting rod;
Described adjustment part comprises the adjustment nut, and the external screw thread on the thread segment of the internal thread of described adjustment part and described connecting rod matches.
At one preferably or alternatively among the embodiment, the termination that deviates from an end of described thread segment on the described connecting rod also is provided with connecting portion, described connecting portion is connecting plate or the connecting axle of described connecting portion for fixedlying connected with described connecting rod that is provided with connecting hole, wherein:
Be arranged with the first power transmission packing ring on the described connecting rod between described spring and the described piston rod;
Be arranged with the second power transmission packing ring on the described connecting rod between described spring and the described connecting portion;
Described connecting portion is at the internal diameter of described second power transmission packing ring size in the radial direction greater than the described second power transmission packing ring;
The described first power transmission packing ring connect with described piston rod and both outside dimensions identical.
All be installed with the convex edge, location at one on the described first power transmission packing ring and the described second power transmission packing ring separately preferably or alternatively among the embodiment, convex edge, described location is embedded between described spring and the described connecting rod.
Described adjustment part also comprises spheric washer preferably or alternatively among the embodiment at one, and described spheric washer is set on the described thread segment, and the land portions of described spheric washer and the cylinder barrel of described oil cylinder connect;
Described spheric washer is between the cylinder barrel of described adjustment nut and described oil cylinder.
The cylinder barrel of described oil cylinder forms detachably by securing member with described location-plate and fixedlys connected, and also is arranged with at least one pad on the described securing member preferably or alternatively among the embodiment at one, and described pad is between the cylinder barrel and described location-plate of described oil cylinder.
Described counterattack frame adjusting device also comprises the range finding components and parts preferably or alternatively among the embodiment at one, wherein:
Also detachably be fixedly connected with mounting bracket on the described connecting rod, described mounting bracket is provided with the device locating hole;
Described range finding components and parts are plugged on the described device locating hole and form detachably with described mounting bracket by securing member fixedlys connected, and described range finding components and parts can detect the distance values between the cylinder barrel of described mounting bracket and described oil cylinder and send detection signal according to described distance values.
This counterattack frame adjusting device also comprises hydraulic oil feeding mechanism and quantity control valve preferably or alternatively among the embodiment at one, wherein:
Described quantity control valve is arranged between the oil-out and fuel tank of first hydraulic fluid port, second hydraulic fluid port and described hydraulic oil feeding mechanism of described oil cylinder;
When described quantity control valve is in first duty, the oil circuit conducting between first hydraulic fluid port of described oil cylinder and the oil-out of described hydraulic oil feeding mechanism, and second hydraulic fluid port of described oil cylinder and the oil circuit conducting between the described fuel tank;
When described quantity control valve is in second duty, the oil circuit conducting between second hydraulic fluid port of described oil cylinder and the oil-out of described hydraulic oil feeding mechanism, and first hydraulic fluid port of described oil cylinder and the oil circuit conducting between the described fuel tank;
When described quantity control valve is in the 3rd duty, oil circuit between the oil-out of first hydraulic fluid port of described oil cylinder, second hydraulic fluid port and described hydraulic oil feeding mechanism disconnects, and the oil circuit between first hydraulic fluid port of described oil cylinder, second hydraulic fluid port and the described fuel tank disconnects, the oil circuit conducting between the oil-out of described hydraulic oil feeding mechanism and the described fuel tank.
At one preferably or alternatively among the embodiment, described quantity control valve is the 3-position 4-way proportioning valve.
Described range finding components and parts are the ultrasonic ranging sensor preferably or alternatively among the embodiment at one, and described counterattack frame adjusting device also comprises the controller that is electrically connected with described range finding components and parts, described quantity control valve, wherein:
Described controller can receive the detection signal that described range finding components and parts send, and obtains the spacing between the cylinder barrel of described mounting bracket and described oil cylinder according to described detection signal, and switches the duty of described quantity control valve in real time according to described spacing.
The crushing mechanism that the embodiment of the invention provides comprises the counterattack frame adjusting device that counterattack frame, counterattack liner plate, rotor, casing and the arbitrary technical scheme of the present invention provide, wherein:
Described counterattack liner plate is fixedlyed connected with described counterattack frame;
One end of the described connecting rod of described counterattack frame adjusting device is connected with described counterattack frame, and is set in described spring on the described connecting rod between the piston rod and described counterattack frame of described oil cylinder;
The described location-plate of described counterattack frame adjusting device is the wall body of described casing.
Based on technique scheme, the embodiment of the invention can produce following technique effect at least:
Can compress when the piston rod of oil cylinder stretches out cylinder barrel in the counterattack frame adjusting device that the embodiment of the invention provides that spring promotes to strike back frame simultaneously and the counterattack liner plate of fixedlying connected with the counterattack frame advances, spring can open when the piston rod of oil cylinder was withdrawn cylinder barrel, piston rod can retreat by adjustment part pulling counterattack frame simultaneously, can realize adjusting to spacing between pressing force of the spring and counterattack liner plate and the rotor by the control oil cylinder thus, thus with prior art in first kind of counterattack frame adjusting device compare more horn of plenty of function, with in the prior art second kind, the third counterattack frame adjusting device is compared and be need not the manpower adjusting, compact conformation, use also more conveniently, have function singleness so solved prior art, awkward technical problem.
Optimal technical scheme provided by the invention compared with prior art has the following advantages at least:
But 1, the pressing force of the spring independent regulation of counterattack frame adjusting device;
2, adopt the counterattack frame adjusting device of screw rod, spring, hydraulic jack integral type, version compactness, easy for installation, safe and reliable;
3, also hydraulic regulation of the spacing between counterattack liner plate and the rotor is preferably and adopts two clearancen axle oil cylinders to regulate spacing between counterattack liner plates and the rotor, need not manpower and regulates;
4, by the ultrasonic ranging sensor detect in real time two clearancen spindle oil cylinder piston rods (oil or claim: the extension elongation cylinder bar), calculate the spacing between counterattack liner plate and the rotor, can realize the accurate control to the spacing between counterattack liner plate and the rotor thus;
5, can possess and can control function automatically by the spacing between controller control counterattack liner plate and the rotor, automaticity is higher.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of annexation between the impact breaker chief component in the prior art;
Fig. 2 is the cross-sectional schematic of annexation between the chief component of first kind of counterattack frame adjusting device in the prior art;
Fig. 3 is the cross-sectional schematic of annexation between the chief component of second kind of counterattack frame adjusting device in the prior art;
Fig. 4 is the cross-sectional schematic of annexation between the chief component of the third counterattack frame adjusting device in the prior art;
The cross-sectional schematic of the counterattack frame adjusting device that Fig. 5 provides for the embodiment of the invention;
The decomposing schematic representation of the counterattack frame adjusting device chief component that Fig. 6 provides for the embodiment of the invention;
The schematic perspective view of the counterattack frame adjusting device that Fig. 7 provides for the embodiment of the invention;
The schematic diagram of annexation between quantity control valve and oil cylinder, the fuel tank in the counterattack frame adjusting device that Fig. 8 provides for the embodiment of the invention;
The schematic diagram of the flow process of the spacing between liner plate and the rotor is strikeed back in the counterattack frame adjusting device middle controller control that Fig. 9 provides for the embodiment of the invention;
Reference numeral: 1, connecting rod; 11, connecting portion; 2, spring; 3, location-plate; 31, installing hole; 4, oil cylinder; 41, cylinder barrel; 42, piston rod; 43, cyclic convex edge; 44, bolt; 45, pad; 5, adjustment part; 51, adjust nut; 52, spheric washer; 61, the first power transmission packing ring; 612, convex edge, location; 62, the second power transmission packing ring; 80, range finding components and parts; 81, mounting bracket; 810, lock nut; 82, securing member; 83, flow control valve; 84, bidirectional hydraulic lock; 90, counterattack frame adjusting device; 91, counterattack frame; 92, counterattack liner plate; 93, rotor; 94, bar; 95, abrasion-proof backing block; 96, shell; 97, auxiliary hood-opening device.
The specific embodiment
Can understand distinctive points between content of the present invention and the present invention and the prior art with reference to accompanying drawing Fig. 1～Fig. 9 and word content below.Hereinafter by accompanying drawing and the mode of enumerating optional embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.Need to prove: any technical characterictic in the present embodiment; any technical scheme all is the technical characterictic of plurality of optional or in the optional technical scheme one or more; can't exhaustive all alternative technical characterictics of the present invention and alternative technical scheme in order to describe succinct need in the presents; the embodiment that also is not easy to each technical characterictic emphasizes that all it is one of optional numerous embodiments; so those skilled in the art should know: any technical characterictic and any technical scheme in the present embodiment all do not limit protection scope of the present invention, and protection scope of the present invention should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The embodiment of the invention provides a kind of feature richness, easy to use, compact conformation, is convenient to install, safe and reliable, automaticity is high, and spacing is adjusted the high counterattack frame adjusting device of accuracy and the crushing mechanism that this counterattack frame adjusting device is set between counterattack liner plate and the rotor.
Below in conjunction with Fig. 5～Fig. 9 technical scheme provided by the invention is carried out more detailed elaboration, the technical scheme of arbitrary technological means provided by the invention being replaced or two or more technological means provided by the invention being made up mutually and obtain all should be within protection scope of the present invention.
As Fig. 5～shown in Figure 9, the counterattack frame adjusting device that the embodiment of the invention provides comprises connecting rod 1, spring 2, location-plate (being preferably the wall body of the casing of crushing mechanism) 3 and oil cylinder 4, wherein:
Location-plate 3 is provided with installing hole 31, and cylinder barrel 41 is fixedlyed connected with location-plate 3, and piston rod 42 and connecting rod 1 all run through the installing hole 31 on the location-plate 3.The end that connecting rod 1 deviates from spring 2 also detachably is fixedly connected with adjustment part (be preferably and comprise adjustment nut 51 and spheric washer 52), and the piston rod 42 of adjustment part and oil cylinder 4 connects.
When the first hydraulic fluid port input hydraulic pressure of cylinder barrel 41 is oily, hydraulic oil promotes cyclic convex edge 43 and drives piston rod 42 by cyclic convex edge 43 to stretch out cylinder barrel 41 and compress spring 2, the thrust of spring 2 increases, otherwise, when the second hydraulic fluid port input hydraulic pressure of cylinder barrel 41 is oily, hydraulic oil promotion cyclic convex edge 43 also drives piston rods 42 withdrawal cylinder barrels 41 by cyclic convex edge 43, and also release is to the pressure of spring 2, and the thrust of spring 2 reduces.
Simultaneously, the piston rod 42 of oil cylinder 4 stretches out or can drive connecting rod 1 in the lump by spring 2 and adjustment part when bouncing back and stretches out or bounce back, and can realize adjusting to spacing between counterattack liner plate 92 and the rotor with this.
As preferably a kind of or embodiment alternatively, connecting rod 1 is screw rod, wherein:
When smooth section can reduce the piston rod 42 compression springs 2 of oil cylinder 4, the frictional force that spring 2 bears.By screwing or unscrew the size of the thrust that the mode of adjusting nut 51 also can regulating spring 2.
As preferably a kind of or embodiment alternatively, the termination that deviates from an end of thread segment on the connecting rod 1 also is provided with connecting portion 11, connecting portion 11 is for being provided with the connecting plate of connecting hole or the connecting axle of fixedlying connected with connecting rod 1, connecting portion 11 is preferably the connecting plate that is provided with connecting hole, the number of connecting plate is preferably two, wherein:
Be arranged with the first power transmission packing ring 61 on the connecting rod 1 between spring 2 and the piston rod 42.
Be arranged with the second power transmission packing ring 62 on the connecting rod 1 between spring 2 and the connecting portion 11.
Connecting portion 11 is at the internal diameter of the second power transmission packing ring 62 size in the radial direction greater than the second power transmission packing ring 62.
The first power transmission packing ring 61 connect with piston rod 42 and both outside dimensions identical.
The first power transmission packing ring 61 and 62 pairs of springs 2 of the second power transmission packing ring have position-limiting action.
As preferably a kind of or embodiment alternatively, all be installed with convex edge 612, location on the first power transmission packing ring 61 and the second power transmission packing ring 62 separately, convex edge 612, location is embedded between spring 2 and the connecting rod 1.
As preferably a kind of or embodiment alternatively, adjustment part also comprises spheric washer 52, and spheric washer 52 is set on the thread segment, and the cylinder barrel 41 of the land portions of spheric washer 52 and oil cylinder 4 connects.
As preferably a kind of or embodiment alternatively, the cylinder barrel 41 of oil cylinder 4 and location-plate 3 form detachably fixedly connected by bolt 44 and the nut that matches with the screw rod of bolt 44, also be arranged with at least one pad 45 on the bolt 44, pad 45 is between the cylinder barrel 41 and location-plate 3 of oil cylinder 4.
As preferably a kind of or embodiment alternatively, counterattack frame adjusting device also comprises range finding components and parts 80, and range finding components and parts 80 are preferably the ultrasonic ranging sensor, wherein:
Also detachably be fixedly connected with mounting bracket 81 on the connecting rod 1, mounting bracket 81 is provided with the device locating hole.Mounting bracket 81 is preferably by lock nut 810 and is locked on the connecting rod 1.
Range finding components and parts 80 are plugged on the device locating hole and are preferably by securing member 82(two setscrew nuts that match with external screw thread on the components and parts 80 of finding range, two setscrew nuts components and parts 80 of will finding range are clamped on the mounting bracket 81) with mounting bracket 81 on form and detachably fixedly connected, and range finding components and parts 80 can detect the distance values between the cylinder barrel 41 of mounting bracket 81 and oil cylinder 4 and send detection signal according to distance values.
The ultrasonic ranging Fundamentals of Sensors are to utilize the aerial spread speed of ultrasonic wave known, measure sound wave and run into the time that barrier reflects after emission, calculate launch point to the actual range of barrier according to the time difference that transmits and receives.The ultrasonic ranging principle is the same with Principles of Radar.
Because in the process of crushing mechanism work, location-plate 3(is preferably the wall body of the casing of crushing mechanism) be static, so the cylinder barrel 41 of oil cylinder 4 also is static, mounting bracket 81 is along with the piston rod 42 of oil cylinder 4 and connecting rod 1 move, mounting bracket 81 is identical or close with respect to the displacement of the cylinder barrel 41 of oil cylinder 4 and counterattack frame 91 or counterattack liner plate 92 with respect to the displacement of rotor, and the initial distance value between counterattack liner plate 92 and the rotor is known, so can draw the actual distance value between counterattack liner plate 92 and the rotor in real time according to the variation of the distance values between the cylinder barrel 41 of mounting bracket 81 and oil cylinder 4.
As preferably a kind of or embodiment alternatively, this counterattack frame adjusting device also comprises hydraulic oil feeding mechanism and quantity control valve 83, and quantity control valve 83 can be electro-hydraulic proportional valve, is preferably the 3-position 4-way proportioning valve.Wherein: quantity control valve 83 is arranged between the oil-out and fuel tank of first hydraulic fluid port, second hydraulic fluid port and hydraulic oil feeding mechanism of oil cylinder 4.
When quantity control valve 83 is in first duty, the oil circuit between first hydraulic fluid port of oil cylinder 4 and the oil-out of hydraulic oil feeding mechanism and second hydraulic fluid port of oil cylinder 4 and the oil circuit conducting between the fuel tank.
When quantity control valve 83 is in second duty, the oil circuit between second hydraulic fluid port of oil cylinder 4 and the oil-out of hydraulic oil feeding mechanism and first hydraulic fluid port of oil cylinder 4 and the oil circuit conducting between the fuel tank.
When quantity control valve 83 is in the 3rd duty, oil circuit between oil circuit between the oil-out of first hydraulic fluid port of oil cylinder 4, second hydraulic fluid port and hydraulic oil feeding mechanism and first hydraulic fluid port of oil cylinder 4, second hydraulic fluid port and the fuel tank all disconnects, the oil-out of hydraulic oil feeding mechanism and the oil circuit conducting between the fuel tank.
Duty by switching quantity control valve 83 is namely: be in first duty by control quantity control valve 83, second duty, still the 3rd duty can be controlled first hydraulic fluid port, which oil-feed of second hydraulic fluid port of oil cylinder 4, which is fuel-displaced, and whether the piston rod 42 that can control oil cylinder 4 thus stretches out or bounce back.
Electro-hydraulic proportional valve is that proportion electro-magnet makes the operating valve spool produce displacement according to the voltage signal generation corresponding actions of input in the valve, and port size changes and finishes the element of exporting with the proportional pressure of input voltage, flow with this.
When quantity control valve 83 was the 3-position 4-way proportioning valve, first duty was position, the left side state of 3-position 4-way proportioning valve, and second duty is the right position state of 3-position 4-way proportioning valve, and the 3rd duty is the meta state of 3-position 4-way proportioning valve.
Be preferably on the oil circuit between first hydraulic fluid port of oil cylinder 4, second hydraulic fluid port and the quantity control valve 83 and also be provided with bidirectional hydraulic lock 84.Bidirectional hydraulic lock 84 plays the purpose of lock piston bar 42.Bidirectional hydraulic lock 84 is exactly one " lock ", exactly hydraulic oil circuit is pinned, and it is mobile not allow loop fluid have, even to guarantee that oil cylinder 4 still can keep its position transfixion under the extraneous situation that certain load arranged.
As preferably a kind of or embodiment alternatively, range finding components and parts 80 are the ultrasonic ranging sensor, and counterattack frame adjusting device also comprises the controller that is electrically connected with range finding components and parts 80, quantity control valve 83, wherein:
Controller can receive the detection signal that sends of range finding components and parts 80, obtains the spacing between the cylinder barrel 41 of mounting bracket 81 and oil cylinder 4 according to detection signal, and switches the duty of quantity control valve 83 in real time according to spacing.
Control the duty of quantity control valve 83 by controller, and then the distance of stretching out or bouncing back of control oil cylinder 4 piston rods 42, can change the spacing between the cylinder barrel 41 of mounting bracket 81 and oil cylinder 4, because counterattack frame 91 is identical or essentially identical with respect to the displacement of rotor and mounting bracket 81 with respect to the displacement of the cylinder barrel 41 of oil cylinder 4, so controller can be extrapolated the spacing of strikeing back between liner plate 92 and the rotor according to the spacing between the cylinder barrel 41 of mounting bracket 81 and oil cylinder 4, and then make the spacing between counterattack liner plate 92 and the rotor reach needed distance values.
The crushing mechanism that the embodiment of the invention provides comprises the counterattack frame adjusting device that counterattack frame 91, counterattack liner plate 92, rotor, casing and the arbitrary technical scheme of the present invention provide, wherein:
One end of the connecting rod 1 of counterattack frame adjusting device is connected with counterattack frame 91, and is set in spring 2 on the connecting rod 1 between the piston rod 42 of oil cylinder 4 and strikes back between the frame 91.
The location-plate 3 of counterattack frame adjusting device is the wall body of casing.
When the counterattack frame adjusting device that provides when the arbitrary technical scheme of the present invention is applied to crushing mechanism, the accuracy that the spacing between the counterattack liner plate 92 and rotor is regulated in the crushing mechanism course of work can be improved, and the size of spring 2 thrusts can be adjusted as required.
The disclosed arbitrary technical scheme of the invention described above unless otherwise stated outside, 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 only is the apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so just openly part numerical value is illustrating technical scheme of the present invention in the present invention, and the above-mentioned numerical value of enumerating should not constitute the restriction to the invention protection domain.
If used words such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " only is to go up for convenience of description parts are distinguished as not having outside the 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, fixedly connected can be understood as: can dismantle ground fixedly connected (for example using bolt or screw to connect), also can be understood as: non-removable fixedly connected (for example rivet, weld), certainly, connection fastened to each other also can be replaced (obviously can't adopt except the integrally formed technology) by integral structure (for example use casting technique is integrally formed to create).
In addition, in the disclosed arbitrary technical scheme of the invention described above applied term for expression position relation or shape unless otherwise stated outer its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts provided by the invention both can be to be assembled by a plurality of independent parts, the produced separate part of the technology that also can be one of the forming.
Should be noted that at last: 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 the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. a counterattack frame adjusting device is characterized in that, comprises connecting rod, spring, location-plate and oil cylinder, wherein:
Described oil cylinder comprises that cylinder barrel and two ends extend the piston rod of described cylinder barrel, described cylinder barrel is provided with first hydraulic fluid port and second hydraulic fluid port, described piston rod is that the outer surface of tubulose and described piston rod is installed with cyclic convex edge, and the inwall of the cylinder barrel between described first hydraulic fluid port and described second hydraulic fluid port connects with described cyclic convex edge and both form liquid sealing and are connected;
Described piston rod and described spring all are set on the described connecting rod, and described piston rod and described spring all can slide with respect to described connecting rod;
Described location-plate is provided with installing hole, and described cylinder barrel is fixedlyed connected with described location-plate, and described piston rod and described connecting rod all run through the described installing hole on the described location-plate;
The end that described connecting rod deviates from described spring also detachably is fixedly connected with adjustment part, and the piston rod of described adjustment part and described oil cylinder connects.
2. counterattack frame adjusting device according to claim 1 is characterized in that, described connecting rod is screw rod, wherein:
Described connecting rod is disposed with thread segment and smooth section along its axial direction, and described thread segment is provided with external screw thread, and the circumferential exterior surface of described smooth section is smooth surface;
Described spring housing is located on the smooth section of described connecting rod;
Described adjustment part comprises the adjustment nut, and the external screw thread on the thread segment of the internal thread of described adjustment part and described connecting rod matches.
3. counterattack frame adjusting device according to claim 2, it is characterized in that, the termination that deviates from an end of described thread segment on the described connecting rod also is provided with connecting portion, described connecting portion is connecting plate or the connecting axle of described connecting portion for fixedlying connected with described connecting rod that is provided with connecting hole, wherein:
Be arranged with the first power transmission packing ring on the described connecting rod between described spring and the described piston rod;
Be arranged with the second power transmission packing ring on the described connecting rod between described spring and the described connecting portion;
Described connecting portion is at the internal diameter of described second power transmission packing ring size in the radial direction greater than the described second power transmission packing ring;
The described first power transmission packing ring connect with described piston rod and both outside dimensions identical.
4. counterattack frame adjusting device according to claim 3 is characterized in that, all is installed with the convex edge, location on the described first power transmission packing ring and the described second power transmission packing ring separately, and convex edge, described location is embedded between described spring and the described connecting rod.
5. counterattack frame adjusting device according to claim 2 is characterized in that described adjustment part also comprises spheric washer, and described spheric washer is set on the described thread segment, and the land portions of described spheric washer and the cylinder barrel of described oil cylinder connect;
Described spheric washer is between the cylinder barrel of described adjustment nut and described oil cylinder.
6. according to the arbitrary described counterattack frame adjusting device of claim 1-5, it is characterized in that described counterattack frame adjusting device also comprises the range finding components and parts, wherein:
Also detachably be fixedly connected with mounting bracket on the described connecting rod, described mounting bracket is provided with the device locating hole;
Described range finding components and parts are plugged on the described device locating hole and form detachably with described mounting bracket by securing member fixedlys connected, and described range finding components and parts can detect the distance values between the cylinder barrel of described mounting bracket and described oil cylinder and send detection signal according to described distance values.
7. counterattack frame adjusting device according to claim 6 is characterized in that, this counterattack frame adjusting device also comprises hydraulic oil feeding mechanism and quantity control valve, wherein:
Described quantity control valve is arranged between the oil-out and fuel tank of first hydraulic fluid port, second hydraulic fluid port and described hydraulic oil feeding mechanism of described oil cylinder;
When described quantity control valve is in first duty, the oil circuit conducting between first hydraulic fluid port of described oil cylinder and the oil-out of described hydraulic oil feeding mechanism, and second hydraulic fluid port of described oil cylinder and the oil circuit conducting between the described fuel tank;
When described quantity control valve is in second duty, the oil circuit conducting between second hydraulic fluid port of described oil cylinder and the oil-out of described hydraulic oil feeding mechanism, and first hydraulic fluid port of described oil cylinder and the oil circuit conducting between the described fuel tank;
When described quantity control valve is in the 3rd duty, oil circuit between the oil-out of first hydraulic fluid port of described oil cylinder, second hydraulic fluid port and described hydraulic oil feeding mechanism disconnects, and the oil circuit between first hydraulic fluid port of described oil cylinder, second hydraulic fluid port and the described fuel tank disconnects, the oil circuit conducting between the oil-out of described hydraulic oil feeding mechanism and the described fuel tank.
8. counterattack frame adjusting device according to claim 7 is characterized in that, described quantity control valve is the 3-position 4-way proportioning valve.
9. counterattack frame adjusting device according to claim 8 is characterized in that, described range finding components and parts are the ultrasonic ranging sensor, and described counterattack frame adjusting device also comprises the controller that is electrically connected with described range finding components and parts, described quantity control valve, wherein:
Described controller can receive the detection signal that described range finding components and parts send, and obtains the spacing between the cylinder barrel of described mounting bracket and described oil cylinder according to described detection signal, and switches the duty of described quantity control valve in real time according to described spacing.
10. a crushing mechanism is characterized in that, comprises counterattack frame, counterattack liner plate, rotor, casing and the arbitrary described counterattack frame adjusting device of claim 1-9, wherein:
Described counterattack liner plate is fixedlyed connected with described counterattack frame;
One end of the described connecting rod of described counterattack frame adjusting device is connected with described counterattack frame, and is set in described spring on the described connecting rod between the piston rod and described counterattack frame of described oil cylinder;
The described location-plate of described counterattack frame adjusting device is the wall body of described casing.
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| CN108927263A (en) * | 2017-05-23 | 2018-12-04 | 重庆三铭重工有限公司 | It is a kind of to incude automatic adjusting mechanism suitable for striking back broken novel passive |
| CN111359727A (en) * | 2020-03-16 | 2020-07-03 | 中国铁建重工集团股份有限公司 | Parameter visualization crusher opening adjusting device and crusher |
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| CN114618638A (en) * | 2022-03-24 | 2022-06-14 | 四川皇龙智能破碎技术股份有限公司 | Stepless granularity adjusting device of intelligence |
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| CN103331193B (en) | 2015-04-22 |
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Effective date of registration: 20200511 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. |
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