CN103357462A - High-efficiency durable crushing pair with material-beating-material function - Google Patents
High-efficiency durable crushing pair with material-beating-material function Download PDFInfo
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- CN103357462A CN103357462A CN2012100960878A CN201210096087A CN103357462A CN 103357462 A CN103357462 A CN 103357462A CN 2012100960878 A CN2012100960878 A CN 2012100960878A CN 201210096087 A CN201210096087 A CN 201210096087A CN 103357462 A CN103357462 A CN 103357462A
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Abstract
The invention discloses a high-efficiency durable crushing pair with a material-beating-material function. The crushing pair disclosed by the invention comprises a pair of opposite toothed plates which form a crushing cavity, wherein tooth peaks and tooth dips on the toothed plate are arranged in a staggered way relatively; and the tooth dips are internally provided with 'containing grooves', and the 'containing grooves' are blind grooves with bottoms, and can temporarily store the crushed material. According to the high-efficiency durable crushing pair disclosed by the invention, the shape of each 'containing groove' can be reasonably designed, and the part can be skillfully distributed, so that the crushing pair has the functions of 'material-beating-material' crushing and the tooth shape self-modifying. The upper end of the lower end of the crushing pair disclosed by the invention are respectively and additively provided with a tamping cavity and a sub-parallel fine-crushing cavity, so that the crushing pair is in the manner of three cavities. The material is tamped by the tamping cavity, so that the current density of the material can be improved, and the crushing efficiency can be improved; according to the 'small tight side and high stroke' characteristic of the sub-parallel cavity, 'the small particle and the high yield' and the even fine crushing can be realized; and one end forming the toothed plate of the stamping cavity and one end forming the toothed plate of the parallel cavity are skillfully designed into exchange type, so that the service life of the toothed plate can be prolonged, and the abrasion cost of a crusher can be reduced.
Description
Technical field
The present invention relates to the jaw crusher field, more specifically say a kind of highly efficient durable crushing pair with material dnockout function.
Background technology
Jaw crusher also claims jaw broken, is with the longest history, one of most popular disintegrating apparatus.
Crushing pair is very important mechanism during jaw breaks, and is comprised of fixed tooth plate and swing tooth plate.Broken production efficiency, crushing effect, power consumption and the abrasion of jaw all have direct relatedly with crushing pair, break the performance of equipment therefore crushing pair has determined whole jaw to a great extent.
Therefore, crushing pair is the project of the primary tackling key problem of the broken technological progress of jaw, and people can set about from the following aspects usually: 1. the material of tooth plate and manufacturing process; 2. the structure of tooth plate; 3. the shape of chamber type.
No matter above-mentioned which kind of improvement or innovation, a general character is all arranged: namely all be " stable material " mechanism, abrasion and the output of wearing piece (being jaw) are linear relationship.So, want to make broken province of jaw to wear away, realize that " with the material dnockout " this new Cracking Mechanism is a frontier.
And new tackling key problem content in the structure that design has " material dnockout " the function crushing pair broken technological improvement that is jaw and the innovation.
Summary of the invention
The object of the invention is to realize " material dnockout " broken new mechanism, provide a kind of simple in structure, cost is low, highly efficient durable crushing pair with material dnockout function.
In order to reach above purpose, the present invention is achieved through the following technical solutions: a kind of highly efficient durable crushing pair with material dnockout function, comprise that a pair of face-off forms the tooth plate of crushing pair, be provided with tooth peak and tooth paddy on the described tooth plate, and tooth peak interlaced arrangement relative to tooth paddy, it is characterized in that, be provided with containing groove in the tooth paddy of described tooth plate, containing groove is the temporary blind slot of storing material.Described containing groove diminishes from outside to inside gradually.
Significant three architectural features of the present invention: 1. tooth peak and tooth paddy " interlaced arrangement "; 2. be provided with in the tooth paddy " containing groove "; 3. containing groove " outer imperial palace is little ".
In structure of the present invention, " containing groove " is core, and its shape design, position layout and work done mechanism have determined following functions characteristics of the present invention:
1. the appropriate design of " containing groove " shape.The function of " containing groove " is the temporary transient material that is broken that stores, and it must possess following condition:
(1) blind slot at the end is arranged.If be groove, Yi Bian material goes out from another side from advancing, just there is not the function of " material dnockout ";
(2) the outer imperial palace of groove is little.The groove gradient is too small, and material easily advances to be difficult for, the effect of impact " material dnockout "; Gradient is excessive, is difficult for storing, the effect of same impact " material dnockout ".The effect of containing groove is also relevant with material properties, and broken different material should have different containing groove designs, just can reach best " material dnockout " crushing effect.
2. the ingenious layout at " containing groove " position." material dnockout " leans on be material of " containing groove " temporarily storage as application of force thing, if the monoblock tooth plate is " containing groove " entirely, that material is inadequate as the integral hardness of application of force thing, effect is then run counter to desire.The present invention arranges " containing groove " in tooth paddy position under the condition that does not change former odontoid structure, the Cracking Mechanism of dentation mechanism is normally brought into play, and the function of " material dnockout " demonstrates fully.Furtherly, arrange at tooth paddy place " containing groove ", not only do not affect the crushing function of dentalation, also strengthened Cracking Mechanism.Because " containing groove " has the effect of reduction tooth paddy at this, make tooth peak, tooth paddy remain odontoid along with broken Process Synchronization wearing and tearing, reach best crushing effect.
3. the work done mechanism of " containing groove ".The work done mechanism of " containing groove " is to reach crushing effect by material and the air exercise of the material in the crusher chamber (extruding) that is stored in temporarily in " containing groove ".In first broken stroke, material is broken in the chamber, then contains material in " containing groove ", and the material that stores up temporarily in " containing groove " participates in again the fragmentation in next broken stroke, so goes round and begins again, and has just realized the Cracking Mechanism of " material dnockout ".Because the design of " containing groove " area accounts for the 50%-80% (only have the material ultrahard, when needing to guarantee that tooth plate high strength requires, just be lower than 50%) of monoblock tooth plate, so the present invention's's " material dnockout " probability is very high.
4. " containing groove " reviews one's lessons by oneself profile of tooth mechanism.Because it is staggered relative with tooth paddy that two tooth plates of crushing pair are the tooth peak, namely the tooth peak is to tooth paddy, and tooth paddy hollows out the area of 40%-80%, so it weares and teares prior to the tooth peak tooth paddy deeply the time.Yet tooth paddy has individual limit than tooth peak Fast Wearing, can be not unilaterally always Fast Wearing until worn out tooth paddy.Because the distance at tooth peak and tooth peak (being the width of tooth paddy) is definite value, when the tooth paddy degree of depth during near tooth paddy width, the broken grinding machine of tooth peak and tooth paddy can will be fewer and feweri, just there will be no broken the chance of mill when reaching certain depth---no longer continuation is worn and torn.And at this moment the tooth peak also continues wearing and tearing at the material of broken mill bulk (surpassing the facewidth) to the tooth peak, when the tooth peak is milled to a certain degree, tooth paddy is shallow again, begin again to participate in brokenly mill, so go round and begin again, make tooth peak and tooth paddy in the broken mill process of nature, all the time be equilibrated at some definite values, keeping a relatively-stationary profile of tooth, therefore, two tooth plates of crushing pair can the self-healing profile of tooth in natural shattering process.
As preferably, the longitudinal cross-section of tooth plate is three folded structures, and its design is as follows:
Swing tooth plate and fixed tooth plate face-off form the sidepiece crusher chamber of three folding three-cavity structures, wherein descend cavity shape to be shape between inferior parallel zone.
The technological core of three folded tooth plate structures design: above the prior art crusher chamber, set up a compacting chamber, improve crushing efficiency with compacting material flow density; Thereunder design parallel chamber, an Asia evenly in small, broken bits to realize; An end that forms compacting chamber tooth plate is designed to symmetric interchange type dexterously with an end that forms inferior parallel chamber tooth plate.
This three folded teeth plate structure is designed with two significant architectural features: the one, set up respectively compacting chamber and inferior parallel chamber in small, broken bits at the upper and lower side of prior art crushing pair, and make crushing pair be three-chamber; The 2nd, form the tooth plate in above-mentioned three chambeies, lower angle and length are all symmetrical on it, and two is used interchangeably.
Three folded tooth plate structures are designed with three large functions:
1. inferior parallel chamber function:
Set up one section parallel cavity shape structure in Asia (because swing tooth plate moves along a curved path, the parallel zone here is dynamic, approximate, therefore be referred to as inferior parallel zone) in the toggle that eccentric shaft, moving jaw, bracket form in the lower end of existing crusher chamber.Its function is:
(1), make material evenly in small, broken bits.
On side cross-sectional, the prior art crusher chamber is " V " font substantially, and it gives off the material that a pile is the del volume when each broken power stroke finishes.In triangle volume discharge areas, upper dimension is large, lower dimension is little, because jaw crusher is essentially the individual particle breakage properties, therefore it is thick that the material that gives off in this triangle volume discharge areas is top, the bottom is thin, and is inhomogeneous, and the concentration degree of material size is relatively poor.
Inferior parallel chamber is inferior rectangle at each broken power stroke material that gives off that finishes, and supposes that inferior rectangle volume equates with the del volume, and so, the former particle of material is much more even than the latter, and namely the concentration degree of material size is high.
Under the type of inverted triangle chamber, even if floss hole is transferred to minimum, namely the gap of crushing pair lower end transfers to zero, still can give off coarse fodder.And under the type of parallel chamber, Asia, can the floss hole size be set according to required material finished size size fully.But the volume that must guarantee each discharging is the material in this Asia parallel zone, does not allow the epicoele material omit in printing, should calculate the length in inferior parallel chamber during design; Under discharging volume the same terms, the discharging material is thinner, and inferior parallel chamber is longer, otherwise shorter.
Therefore, subparallel configuration chamber type is thinner, more even than prior art " V " character form structure chamber type fragmentation finished product material out.
(2), realize " granule, large output ".
Under the prior art condition, jaw is broken a congenital deficiency, " asks broken fineness and ask broken output " exactly to contradict, and when requiring raw meal particle size thin, need dwindle floss hole, and production capacity reduces; When requiring to increase production capacity, then need amplify floss hole, it is large that discharging-material size becomes, and both can not take into account.
Characteristic according to above-mentioned subparallel configuration chamber type, finish the material of rear discharging all less than the volume in parallel chamber, Asia as long as guarantee each broken power stroke, just can utilize " little pilled-in selvedge; large discharging " (when the minimum stop of moving jaw bottom power stroke, to claim the pilled-in selvedge size, claim the slack list size during maximum stop, the pilled-in selvedge size determines thing grain fineness, and the slack list size determines mass rate of emission; Widen the distance of pilled-in selvedge and slack list, namely strengthen stroke, be conducive to the discharging, but mass rate of emission should meet the freely falling body rule, and a limit is arranged) method solve this contradiction.
In a word, subparallel configuration chamber type has solved under the prior art " ask in small, broken bits with ask output " conflicting drawback with the method for " little pilled-in selvedge, large stroke ", provides the strongest necessary condition for realizing the high ratio of reduction (i.e. " granule, greatly output ").
2. tamp the chamber function:
Under the prerequisite that does not change the broken any parameter (comprising broken stroke) of jaw, set up a compacting chamber in the crusher chamber upper end.Its function is:
(1). tamp the material flow that enters, improved the density of material flow.
Material flow after the compacting of compacting chamber is eliminated the gap between the material to greatest extent, and material density improves, and enters the material of crusher chamber fragmentation within the identical broken time, the corresponding raising of crushing.
(2). material flow is in or enters crusher chamber near " necessary gap " state, thereby improves broken stroke work doing efficiency.
From the relationship analysis " natural gap " and " necessary gap " this two concepts of broken stroke with " necessary gap ", " natural gap ".When different, the not of uniform size bank of a pile shape together the time, can there be the gap between the material, this gap is called " natural gap ".The nature gap is not unalterable, if have external force to make material constantly change direction or do relative motion, nature gap can constantly diminish (being that bank is constantly tamped), when natural gap little behind certain value, no matter how to move, the material gap can not become again, and material gap at this moment is called " necessary gap "." necessary gap " is not an absolute probability, is theoretical relative concept.Larger from " necessary gap " material flow elasticity away from more, more the material flow elasticity near " necessary gap " is less.
The broken move distance of two tooth plates from the pilled-in selvedge to the slack list of broken stroke dactylognthite, the broken stroke that each jaw is broken is a definite value.Broken two stages of spm: the one, because natural gap has elasticity, the broken stroke incipient stage overcomes first the elasticity of material flow, does not produce substantial fragmentation; The 2nd, after material elasticity was eliminated fully, broken stroke just produced fragmentation to material.Can analyze identification theoretically, be in that material flow under " necessary gap " does not have or elasticity rarely.
So material flow is whether through this pass of compacting, and is fully different for the broken work doing efficiency under same broken stroke, material is through compacting, is in or enters crusher chamber near " necessary gap " state, thereby improve broken stroke work doing efficiency.
(3). utilize gravity to stop displacement and the spring of material in shattering process.
The broken crusher chamber of jaw is " V " character form structure, big upper and lower small mouth is an angle during two tooth plate interlock materials, make material that a component that upwards pushes away be arranged.Although when the design jaw is broken, this angle is arranged on limiting angle α that maximal friction allows in 26 °, when material flow is loose, be easy to make that material turns to, displacement or upwards takeoff, affect the effective broken work done of broken stroke.After the compacting chamber was set up in crusher chamber upper end, a thick layer of material was being pressed in the material top in the crusher chamber, and the weight of this layer material itself is pushed down the material in the crusher chamber, played that the prevention material turns to, displacement and the effect of upwards takeofing.
(4) make feed more steady.
Under the prior art condition, owing to affected by various factors, the material that enters crusher chamber always has some fluctuations, the time many when few.This material fluctuation had both affected output, reduced again service life of equipment.The present invention has set up the compacting chamber, is equivalent to be provided with a savings material bin, is stored by it when charging is excessive, mends confession by it when too small, plays to a certain extent the effect of steady feed, can constant rate of production, be conducive to again extension device service life.
3. tooth plate " three folding symmetrical exchange " function.
The design of this three folded teeth plate structure is designed to two ends simultaneously to a turn back angle and extend a section of a side with swing tooth plate, and the angle of turning back equals the angle [alpha] (α for less than or equal to 26 degree) of former crushing pair, and every edge lengths is 1/4～1/6 of former crushing pair.Also but fixed tooth plate and the swing tooth plate while three is rolled over (but knuckle at this moment is 1/2 α of such scheme).Its function is:
Three folded tooth plates are combined into the crushing pair posterior end and form inferior parallel chamber, and are interchangeable because of symmetry, and changing still, the lower end is inferior parallel chamber.Inferior parallel chamber is chamber in small, broken bits, and its abrasion are higher than the coarse crushing chamber, and the compacting chamber does not produce substantive fragmentation, wears away symmetrical exchange the in two positions extremely low, that abrasion are one high and one low, is conducive to prolong the service life of tooth plate, reduces disintegrating machine and wears away cost.
Core technology of the present invention is: tooth Shape Design and " containing groove " design is organically combined, and that realizes the Cracking Mechanism of " material dnockout " and " reviewing one's lessons by oneself profile of tooth " protects tooth mechanism; Improve on this basis the crusher chamber design, compacting chamber and inferior parallel chamber are set, promote the crusher chamber function, improve crushing efficiency, and dexterously an end that forms the compacting chamber is arranged to symmetric interchange type with an end that forms parallel chamber.
The present invention also has following beneficial effect except above-mentioned functions and effect:
1. prolong tooth plate service life.In the tooth plate manufacture process, need carry out quenching heat treatment, namely be immersed in the water quick cooling heating to red-hot tooth plate, to reach the purpose of quench hardening.The present invention is provided with many containing grooves at tooth plate, has greatly increased the contact area of tooth plate and water, has improved the quenching degree in the quenching technical, thereby has improved the hardness (wearability) of tooth plate, prolongs its service life.
2. raising crushing efficiency.The tooth plate of dentation and material contact-making surface are little, and broken pressure is large; Material will be split broken along the tip pressure-acting when tooth peak pushes material; Material by bending effect of stress and by the folding broken; Material is squeezed broken because of facial pressure-acting, utilize odontoid realize " split broken, folding is broken, squeeze broken " etc. multiple broken work done mode, be conducive to improve crushing efficiency.
3. realize frustrating cut, shearing-crushing mechanism.Material is in staggered position, both sides, and its side is subject to the extruding of blade-like metal surface, frustrates just as file and cuts, and frustrating of producing at stressed place cut stress intensity when reaching the limit of, and the material marginal portion is frustrated cuts and broken; Material is in staggered position, both sides, and its front is subject to the extruding of blade-like metal surface, and just as scissor cut, when the Shear stress strength that produces at stressed place reached the limit of, the material marginal portion was sheared and fragmentation.Structure of the present invention is frustrated cutter and scissors just as a secondary well combination, material with frustrate, the mode of cutting is broken.Usually the anti-shearing stress-strength ratio compressive stress intensity of material is much lower, more produces effect than being in the crushing fragmentation so be in the fragmentation of shearing under the mechanism.
Of the present inventionly frustrate, break mechanism, make whole crushing pair have large snap-in force function.This large snap-in force function is very favourable to fragmentation, is embodied as: 1. " V " crusher chamber upper end, and (eat into) the material ability of grabbing and sting strengthens; 2. in shattering process, on one side material is broken, Yi Bian advance toward the discharge direction along with broken, improved crushing efficiency.
As preferably, containing groove be shaped as kidney-shaped, ellipse, rectangle, hexagon or rhombus.Containing groove can be the combination that above-mentioned various shapes also can be above-mentioned shape, but the cross section ovalize is excellent, because of its without knuckle, can avoid the tooth plate stress to concentrate and burst apart.For making fragmentation more efficient, the containing groove in the same tooth paddy is arranged should be row with respect to the tooth peak length direction on the offside jaw, and should be equidistant between the groove.
As preferably, the area sum of all containing grooves accounts for the 40%-80% of the tooth paddy gross area in the tooth paddy.The sectional area of whole containing groove should be not excessive, crosses conference and cause the jaw insufficient strength; Should be not too small yet, the too small purpose that is difficult to realize " material dnockout ".
As preferably, the width of containing groove be tooth peak width 1.5-5 doubly.For the function that makes " material dnockout " and review one's lessons by oneself profile of tooth demonstrates fully, the sectional area of containing groove should be greater than tooth peak maximum sectional area, and maximum cross section, so-called tooth peak is the cross section between the containing groove.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the A-A structure cutaway view of Fig. 1;
Fig. 3 is the structure enlarged drawing of F among Fig. 2;
Fig. 4 is the B-B structure cutaway view of Fig. 1;
Fig. 5 is the structure enlarged drawing of E among Fig. 4;
Fig. 6 is duty design sketch of the present invention.
Among the figure: 1-tooth plate, 2-tooth peak, 3-tooth paddy, 4-containing groove.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiment and accompanying drawing.
Embodiment 1: such as Fig. 1, as shown in Figure 4 and Figure 5, a kind of highly efficient durable crushing pair with material dnockout function, comprise that a pair of face-off forms the tooth plate 1 of crushing pair, the longitudinal cross-section of tooth plate 1 is three folded structures, swing tooth plate and fixed tooth plate face-off form the sidepiece crusher chamber of three folding three-cavity structures, wherein descend cavity shape to be shape between inferior parallel zone.
As shown in Figures 2 and 3, shown in, being provided with tooth peak 2 and tooth paddy 3 on two tooth plates 1, the width of tooth paddy is 1 times of tooth peak width.And tooth peak 2 and tooth paddy 3 relative interlaced arrangement are provided with containing groove 4 in the tooth paddy 3 of tooth plate 1, containing groove 4 be shaped as rectangle.Containing groove 4 is the temporary blind slot of storing material, and containing groove 4 diminishes from outside to inside gradually.
Be provided with tooth peak 2 and tooth paddy 3 on 2: two tooth plates 1 of embodiment, the width of tooth paddy is 3 times of tooth peak width.And tooth peak 2 and tooth paddy 3 relative interlaced arrangement are provided with containing groove 4 in the tooth paddy 3 of tooth plate 1, containing groove 4 be shaped as kidney-shaped.The area sum of all containing grooves 4 accounts for 60% of tooth paddy 3 gross areas in the tooth paddy 3.All the other are with embodiment 1.
Be provided with tooth peak 2 and tooth paddy 3 on 3: two tooth plates 1 of embodiment, the width of tooth paddy is 4 times of tooth peak width.And tooth peak 2 and tooth paddy 3 relative interlaced arrangement are provided with containing groove 4 in the tooth paddy 3 of tooth plate 1, containing groove 4 be shaped as ellipse.The area sum of all containing grooves 4 accounts for 70% of tooth paddy 3 gross areas in the tooth paddy 3.All the other are with embodiment 1.
Be provided with tooth peak 2 and tooth paddy 3 on 4: two tooth plates 1 of embodiment, the width of tooth paddy is 5 times of tooth peak width.And tooth peak 2 and tooth paddy 3 relative interlaced arrangement are provided with containing groove 4 in the tooth paddy 3 of tooth plate 1, containing groove 4 be shaped as rhombus.The area sum of all containing grooves 4 accounts for 80% of tooth paddy 3 gross areas in the tooth paddy 3.All the other are with embodiment 1.
Practical: referring to Fig. 6, crushing pair of the present invention comprises fixed tooth plate and swing tooth plate; Tooth peak on two tooth plates interlaced arrangement relative to tooth paddy; Be provided with in the tooth paddy " containing groove ", and " containing groove " for there is the blind slot at the end, can stores up temporarily the material after the fragmentation.The present invention makes crushing pair have " material dnockout " broken function with reviewing one's lessons by oneself profile of tooth by to the appropriate design of " containing groove " shape and the ingenious layout at position.The upper and lower end of crushing pair of the present invention is set up respectively compacting chamber and inferior parallel chamber in small, broken bits, makes crushing pair be three-chamber (referring to three folded structures of jaw among Fig. 2).Compacting chamber compacting material by the upper end improves material flow density, thereby improves crushing efficiency; " little pilled-in selvedge, the large stroke " characteristics in the inferior parallel chamber by the lower end realize " granule, large output " and evenly in small, broken bits; An end that forms compacting chamber tooth plate is designed to symmetric interchange type dexterously with an end that forms parallel chamber tooth plate, prolongs the service life of tooth plate, reduces disintegrating machine abrasion cost.
The above only is preferred embodiment of the present invention; should be pointed out that the those of ordinary skill in the art, under the prerequisite that does not break away from core technology feature of the present invention; can also make some improvement and modification, these improvement and modification also should be considered as protection scope of the present invention.
Claims (8)
1. one kind has the highly efficient durable crushing pair of expecting the dnockout function, comprise that a pair of face-off forms the tooth plate of crushing pair, be provided with tooth peak and tooth paddy on the described tooth plate, and tooth peak interlaced arrangement relative to tooth paddy, it is characterized in that, be provided with containing groove in the tooth paddy of described tooth plate, containing groove is the temporary blind slot of storing material.
2. the highly efficient durable crushing pair with material dnockout function according to claim 1 is characterized in that, containing groove diminishes from outside to inside gradually.
3. the highly efficient durable crushing pair with material dnockout function according to claim 1 is characterized in that, the longitudinal cross-section of tooth plate is three folded structures.
4. according to claim 1 and 2 or 3 described highly efficient durable crushing pairs with material dnockout function, it is characterized in that, containing groove be shaped as kidney-shaped, ellipse, rectangle or rhombus.
5. according to claim 1 and 2 or 3 described highly efficient durable crushing pairs with material dnockout function, it is characterized in that, the area sum of all containing grooves accounts for the 40%-80% of the tooth paddy gross area in the tooth paddy.
6. according to claim 1 and 2 or 3 described highly efficient durable crushing pairs with material dnockout function, it is characterized in that, the width of tooth paddy is 1～5 times of tooth peak width.
7. the highly efficient durable crushing pair with material dnockout function according to claim 4 is characterized in that, the width of tooth paddy is 1～5 times of tooth peak width.
8. the highly efficient durable crushing pair with material dnockout function according to claim 5 is characterized in that, the width of tooth paddy is 1～5 times of tooth peak width.
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| CN2186602Y (en) * | 1994-03-15 | 1995-01-04 | 刘东江 | Butt-jaw high power crusher |
| JPH08252469A (en) * | 1995-03-15 | 1996-10-01 | Kobe Steel Ltd | Swing jaw plate of jaw crusher |
| US5630555A (en) * | 1992-05-08 | 1997-05-20 | Boyd Motors Limited | Rock crusher |
| CN201988413U (en) * | 2011-05-01 | 2011-09-28 | 浙江黑白矿山机械 | Toothless toothed plate crushing pair |
| CN202028419U (en) * | 2011-03-28 | 2011-11-09 | 浙江黑白矿山机械有限公司 | Multifunctional crushing pair capable of self-shaping tooth profile |
| CN202146797U (en) * | 2011-06-30 | 2012-02-22 | 湖南三德科技发展有限公司 | Jaw plate for jaw crusher |
| CN202527206U (en) * | 2012-03-26 | 2012-11-14 | 义乌市黑白矿山机械有限公司 | Efficient and durable crushing pair with function of using materials to crush materials |
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2012
- 2012-03-26 CN CN201210096087.8A patent/CN103357462B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630555A (en) * | 1992-05-08 | 1997-05-20 | Boyd Motors Limited | Rock crusher |
| CN2186602Y (en) * | 1994-03-15 | 1995-01-04 | 刘东江 | Butt-jaw high power crusher |
| JPH08252469A (en) * | 1995-03-15 | 1996-10-01 | Kobe Steel Ltd | Swing jaw plate of jaw crusher |
| CN202028419U (en) * | 2011-03-28 | 2011-11-09 | 浙江黑白矿山机械有限公司 | Multifunctional crushing pair capable of self-shaping tooth profile |
| CN201988413U (en) * | 2011-05-01 | 2011-09-28 | 浙江黑白矿山机械 | Toothless toothed plate crushing pair |
| CN202146797U (en) * | 2011-06-30 | 2012-02-22 | 湖南三德科技发展有限公司 | Jaw plate for jaw crusher |
| CN202527206U (en) * | 2012-03-26 | 2012-11-14 | 义乌市黑白矿山机械有限公司 | Efficient and durable crushing pair with function of using materials to crush materials |
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|---|---|
| CN103357462B (en) | 2015-11-25 |
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