CN110193398A - A kind of dynamic jaw stroke adjuster and its jaw crusher - Google Patents
A kind of dynamic jaw stroke adjuster and its jaw crusher Download PDFInfo
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- CN110193398A CN110193398A CN201910528707.2A CN201910528707A CN110193398A CN 110193398 A CN110193398 A CN 110193398A CN 201910528707 A CN201910528707 A CN 201910528707A CN 110193398 A CN110193398 A CN 110193398A
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- jaw
- tooth plate
- crusher
- dynamic jaw
- dynamic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The stroke of a kind of dynamic jaw stroke adjuster and its jaw crusher, effective solution moving jaw plate upper end is not easy the problem of adjusting；It is fixedly mounted on crusher frame including crusher frame, fixed tooth plate and dynamic jaw tooth plate, fixed tooth plate, dynamic jaw tooth plate is movably arranged on crusher frame, and crusher chamber is formed between fixed tooth plate and dynamic jaw tooth plate, and the lower end of crusher chamber is gape；A kind of jaw crusher includes the discharge outlet adjustment device with dynamic jaw truss plate connection, and discharge outlet adjustment device is mounted in the right end of crusher frame；The present invention passes through dynamic jaw stroke adjuster, it is used in a variety of jaw crushers, device configuration can be made changeable, it can be applied to the operating condition of various ores, the production capacity of equipment is given full play to, discharge outlet adjustment device can be controlled at any time according to processing material specification demand, accurate adjustment width of discharge opening, controls finished product granule size；It is crushed same material yield, low energy consumption, can reduce a large amount of production cost.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of dynamic jaw stroke adjuster and its jaw crushing
Machine.
Background technique
Power of the function of jaw crusher based on compression rock.Eccentric shaft is attached to the ontology of jaw crusher, the bias
Axis connection has removable jaw (i.e. rocking bar) and realizes that the bias relative to fixed jaw is mobile.
In crusher, one end of rocking bar is pivotally attached to the ontology of crusher and the second end of rocking bar through elbow through eccentric shaft
Plate is pivotally attached to the ontology of crusher.When the upper end of rocking bar is pivoted by eccentric shaft (overhead eccentric type crusher), swinging jaw exists
Mobile shape in crushing chamber top is approximate circle, because it is close to eccentric shaft.Then, the stroke in crushing chamber bottom has narrow
The form of ellipse, and moving shape is circular form gradually upward in crushing chamber.
In crusher, strong stroke obtains short extremely in the top of crushing chamber and central part, this is because mobile shape
Form.Most of compression movement is directed to tilt upward or downward.The number for smashing the broken stroke of monolithic rock is high, because
Breaking capacity is limited for short stroke and causes material surface to be broken to crush before being actually crushed.Fine material be unfavorable for through
Ji is saved and the generation of fine material leads to unnecessary energy consumption.The direction of stroke in the bottom of crushing chamber is not most
It is excellent, but be directed upwards, wherein material to be broken vertical shift on wearing face.Need the big of relatively long compression distance
Block rock is crushed in the top of crushing chamber.Length of stroke in the top of known breakers relative to rock size compared with
It is small.Because the stroke in the top of the crushing chamber of crusher is short, multiple strokes are needed before large rock mass is broken.No
The stroke direction of benefit but will wear jaw than the stroke of the bisector perpendicular to crushing chamber.
So needing a kind of dynamic jaw stroke adjuster and its jaw crusher to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the purpose of the present invention is just to provide a kind of dynamic jaw stroke tune
The stroke of regulating device and its jaw crusher, effective solution moving jaw plate upper end is not easy the problem of adjusting.
Its technical solution solved is that a kind of dynamic jaw stroke adjuster includes crusher frame, fixed tooth plate and dynamic jaw
Tooth plate, fixed tooth plate are fixedly mounted on crusher frame, and dynamic jaw tooth plate is movably arranged on crusher frame, fixed tooth plate with
Crusher chamber is formed between dynamic jaw tooth plate, the lower end of crusher chamber is gape, and a kind of dynamic jaw stroke adjuster further includes installation
With the dynamic jaw drive shaft on dynamic jaw tooth plate, move eccentric bush in jaw drive shaft, the inside of eccentric bush and dynamic jaw drive shaft
Outside is equipped with installation keyway, by installation keyway installation key make drive shaft and eccentric bush common rotation, eccentric bush
Eccentric bushing is installed outside, multiple first connection keyways are equipped on the outside of eccentric bush, the second connection keyway is equipped in eccentric bushing, is passed through
Selection, which connect installation key in keyway with second in one first connection keyway, makes eccentric bush with eccentric bushing common rotation to adjust
The dynamic jaw stroke of whole dynamic jaw tooth plate.
A kind of jaw crusher includes the discharge outlet adjustment device with dynamic jaw truss plate connection, and discharge outlet adjustment device is mounted in broken
The right end of broken machine rack moves and bracket is housed between jaw tooth plate and discharge outlet adjustment device, and discharge outlet adjustment device is equipped with and moves
The tension device of jaw truss plate connection.
The invention has the benefit that the present invention is used in a variety of jaw crushers by dynamic jaw stroke adjuster,
Device configuration can be made changeable, can be applied to the operating condition of various ores, give full play to the production capacity of equipment, it can be according to processed material
Expect specification demands, control discharge outlet adjustment device at any time, accurately adjust width of discharge opening, controls finished product granule size；It is broken
Same material yield, low energy consumption, can reduce a large amount of production cost, connection is quick, reliable, easy for assembly, disassembly and maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3.
Fig. 4 is the structural schematic diagram of the dynamic jaw stroke adjuster of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
Embodiment:
It being provided by Fig. 1 and Fig. 4, a kind of dynamic jaw stroke adjuster includes crusher frame 1, fixed tooth plate 2 and dynamic jaw tooth plate 3,
Fixed tooth plate 2 is fixedly mounted on crusher frame 1, and dynamic jaw tooth plate 3 is movably arranged on crusher frame 1, fixed tooth plate 2 with
Crusher chamber is formed between dynamic jaw tooth plate 3, the lower end of crusher chamber is gape 4, and a kind of dynamic jaw stroke adjuster further includes peace
Mounted in the dynamic jaw drive shaft 5 on dynamic jaw tooth plate 3, move eccentric bush 6 in jaw drive shaft 5, the inside of eccentric bush 6 and dynamic jaw drive
The outside of moving axis 5 is equipped with installation keyway 7, by installation keyway 7 installation key turn drive shaft and eccentric bush 6 jointly
It is dynamic, eccentric bushing 8 is installed outside eccentric bush 6, multiple first connection keyways 9 are equipped on the outside of eccentric bush 6, are equipped in eccentric bushing 8
Second connection keyway 10, connecting installation key in keyway 10 with second in one first connection keyway 9 by selection makes eccentric bush 6
With 8 common rotation of eccentric bushing so as to adjust the dynamic jaw stroke of dynamic jaw tooth plate 3.
A kind of jaw crusher includes the discharge outlet adjustment device 7 connecting with dynamic jaw tooth plate 3, and discharge outlet adjustment device 11 fills
In the right end of crusher frame 1, moves and bracket 12, discharge outlet adjustment device are housed between jaw tooth plate 3 and discharge outlet adjustment device 11
11 are equipped with the tension device connecting with dynamic jaw tooth plate 3.
The discharge outlet adjustment device 11 includes support frame 13, is equipped with the sliding block hinged with bracket 12 in support frame 13
15, adjusting shims 14 are equipped between sliding block 15 and support frame 13.
The tension device includes spring pull rod 16, and one end of spring pull rod 16 is fixedly mounted on support frame 13, bullet
The other end of spring pull rod 16 is hinged on dynamic jaw tooth plate 3.
The crusher frame 1 is equipped with motor 19, and motor 19 is equipped with small belt pulley, and dynamic jaw drive shaft 5 is equipped with
Big belt pulley, small belt pulley are connect by V belt with big belt pulley, make motor 19 that dynamic jaw drive shaft 5 be driven to rotate.
The working principle of the invention is: motor 19 drives V belt and big belt pulley, by moving jaw stroke adjuster
Jaw tooth plate 3 is set to move up and down；The section at the beginning of dynamic 3 uplink back segment to downlink of jaw tooth plate, the angle of fixed tooth plate 2 and dynamic jaw tooth plate 3
Become minimum by maximum, at the same time, material is crushed in the crusher chamber that fixed tooth plate 2 and dynamic jaw tooth plate 3 are formed；When dynamic jaw tooth plate
The angle of section at the beginning of 3 downlink back segments to uplink, fixed tooth plate 2 and dynamic jaw tooth plate 3 becomes larger, and the material being crushed at this time is from tooth plate
The angle of the discharge of lower part discharge gate, fixed tooth plate 2 and dynamic jaw tooth plate 3 continues to increase, effect of the tooth plate lower part discharge port in bracket 6
It is lower again gradually from large to small, while continuing to be packed into material in crusher chamber；It moves jaw tooth plate 3 as motor 9 continuously moves and makees week
Crush material to phase property.Bracket 6 between dynamic jaw tooth plate 3 and discharge outlet adjustment device 11 plays transmitting power and pressure simultaneously
Power fractures in advance when overloading, to protect the effect of machine and other components damages.And it is filled by being adjusted to discharge gate
The adjustment of inclined wedge on 11 is set, the material of anticipation granule size can be obtained as required.
Embodiment 2: being provided by Fig. 2 and Fig. 4, and discharge outlet adjustment device 11 of the present invention includes support frame 13, support
Wedge adjusting device 17 is equipped in frame 13, wedge adjusting device 17 and bracket 12 are hinged.
The tension device includes hydraulic pressure draw-bar 18, and one end of hydraulic pressure draw-bar 18 is fixedly mounted on support frame 13, liquid
The other end of pressure pull rod 18 is hinged on dynamic jaw tooth plate 3.
Embodiment 3: being provided by Fig. 3 and Fig. 4, and discharge outlet adjustment device 11 of the present invention includes support frame 13, support
Wedge adjusting device 17 is equipped in frame 13, wedge adjusting device 17 and bracket 12 are hinged.
The tension device includes spring pull rod 16, and one end of spring pull rod 16 is fixedly mounted on support frame 13, bullet
The other end of spring pull rod 16 is hinged on dynamic jaw tooth plate 3.
Embodiment 4: the present invention includes crusher frame 1, fixed tooth plate 2 and dynamic jaw tooth plate 3, and fixed tooth plate 2 is fixedly mounted
On crusher frame 1, dynamic jaw tooth plate 3 is movably arranged on crusher frame 1, is formed between fixed tooth plate 2 and dynamic jaw tooth plate 3 broken
The lower end of broken chamber, crusher chamber is gape 4, and the invention also includes the dynamic jaw stroke adjuster connecting with dynamic jaw tooth plate 3 and intelligence
It can control apparatus system, dynamic jaw stroke adjuster generates the distance of stroke, intelligent controlling device system to adjust dynamic jaw tooth plate 3
System includes dynamic 4 size automatic regulating apparatus of jaw stroke compensation device and gape, and dynamic jaw stroke compensation device can compensate for dynamic jaw
Action displacement caused by stroke adjuster, 4 size automatic regulating apparatus of gape according to dynamic jaw tooth plate 3 and can be fixed in real time
The distance of 2 lower end of tooth plate makes jaw tooth plate 3 remain setting at a distance from 2 lower end of fixed tooth plate to control the movement of brake jaw tooth plate 3
Value.
The dynamic jaw stroke adjuster includes being mounted on and the dynamic jaw drive shaft 5 on dynamic jaw tooth plate 3, dynamic jaw drive shaft
The outside of eccentric bush 6 on 5, the inside of eccentric bush 6 and dynamic jaw drive shaft 5 is equipped with installation keyway 7, by installation keyway 7
Middle installation key makes drive shaft and 6 common rotation of eccentric bush, is equipped with eccentric bushing 8,6 outside of eccentric bush outside eccentric bush 6
Equipped with multiple first connection keyways 9, the second connection keyway 10 is equipped in eccentric bushing 8, by selecting in one first connection keyway 9
Connecting installation key in keyway 10 with second rushes eccentric bush 6 and 8 common rotation of eccentric bushing so as to adjust the dynamic jaw of dynamic jaw tooth plate 3
Journey.
The intelligent control device system further includes hydraulic support device, and hydraulic support device includes being mounted on crusher
Wall after the crusher of 1 right end of rack, the left end of wall is hinged with the telescopic device for capableing of adjustment length and fixation after crusher, stretches
The left end of device is flexibly connected with dynamic jaw tooth plate 3, is jaw tooth plate 3 in the case where dynamic jaw tooth plate 3 will form dynamic jaw stroke
Lower end provides support force.
Hydraulic cylinder is mounted on after crusher on wall to facilitate in the case where dynamic jaw tooth plate 3 will form dynamic jaw stroke,
The telescopic device includes one or more hydraulic cylinders, and the right end of hydraulic cylinder is equipped with cylinder seat, the right end and crusher of cylinder seat
Wall is hinged afterwards.
The dynamic jaw stroke compensation device includes the free bearing for being mounted on dynamic 3 downside of jaw tooth plate, is equipped with resistance to adjustment in free bearing
Golden copper sheathing, the interior left end by eccentric pin shaft and hydraulic cylinder of antifriction alloy copper sheathing is hinged, can pass through the inclined of eccentric pin shaft generation
Heart rotation compensation moves action displacement caused by jaw stroke.
Structure identical with dynamic jaw stroke adjuster can be used in the eccentric pin shaft.
The displacement sensor that the 4 size automatic regulating apparatus of gape includes controller and is arranged in hydraulic cylinder,
The induction direction of displacement sensor is identical as the telescopic direction of hydraulic cylinder, and for accurately measuring hydraulic cylinder travel displacement, displacement is passed
Run-length data is simultaneously sent to controller by the stroke of sensor detection hydraulic cylinder, and hydraulic cylinder is equipped with first coupled with controller
Control valve, controller receives the run-length data of hydraulic cylinder and carries out feedback control to hydraulic cylinder by the first control valve, when broken
When machine starting booting, the hydraulic cylinder piston rod in contraction state stretches out, and touches crusher fixed tooth plate 2 and dynamic jaw tooth plate 3,
The run-length data of hydraulic cylinder is sent to controller when fixed tooth plate 2 and dynamic jaw tooth plate 3 are contacted, and controller passes through the first control valve
Control hydraulic cylinder piston rod retract in hydraulic cylinder, by the distance between the preset fixed tooth plate 2 of controller and dynamic jaw tooth plate 3 come
It controls hydraulic cylinder piston rod and stretches out specified distance, i.e., the travel displacement of hydraulic cylinder subtracts when fixed tooth plate 2 and dynamic jaw tooth plate 3 contact
The displacement gone between the preset fixed tooth plate 2 of controller and dynamic jaw tooth plate 3 is the position that controller controls that hydraulic cylinder piston rod stretches out
It moves, guarantees that the size of default gape 4 remains unchanged.
In order to enable controller can receive signal to control hydraulic when fixed tooth plate 2 and dynamic jaw tooth plate 3 contact
Cylinder activity, the 4 size automatic regulating apparatus of gape further includes the pressure sensor connecting with hydraulic cylinder, pressure sensor
It is coupled with controller, fixed tooth plate 2 and dynamic jaw tooth plate 3 are in contact, and pressure sensor detects the oil pressure in hydraulic cylinder and to control
Device sends the oil pressure value in hydraulic cylinder, and record pressure sensor senses hydraulic cylinder when fixed tooth plate 2 and dynamic jaw tooth plate 3 are in contact
Stroke, signal controls hydraulic cylinder by the first control valve controller based on the received, every time booting according to spy
Determine operation order, i.e., when starting up's computer feedback hydraulic cylinder piston rod stroke all stretches out but pressure sensor attonity
When, then make the fixed tooth plate 2 for leading to abrasion because of work and dynamic jaw tooth plate 3 to reach replacement maintenance criterion, can be replaced,
And then the correct operation and use of the crusher guaranteed, reduce the frequency manually observed and measured repeatedly.
The intelligent control device system further includes overload automatic protection apparatus, and overload automatic protection apparatus includes and liquid
The accumulator of cylinder pressure connection, into when being difficult to broken material inside crusher chamber, accumulator internal pressure is increased, and is quickly let out
Pressure, hydraulic cylinder piston rod is moved into hydraulic cylinder at this time, then gape 4 tunes up automatically, makes the material discharge that the hardly possible is broken, then
The rapid ftercompction of hydraulic station again, hydraulic cylinder piston rod restore to original position, and crusher restores to work normally, and the process is without shutting down cleaning
Hard object, whole work process are that full-automatic intelligent can control completion.
The crusher frame 1 is equipped with motor 19, and motor 19 is equipped with small belt pulley, and dynamic jaw drive shaft 5 is equipped with
Big belt pulley, small belt pulley are connect by V belt with big belt pulley, make motor 19 that dynamic jaw drive shaft 5 be driven to rotate.
The controller may be based on the Open motion control using DSP or FPGA as core processor of PC bus
Device.
In the use of the present invention, the setting value of the size of gape 4 is being controlled according to the ore of processing and process requirements
Dynamic jaw stroke adjuster is preset and adjusted on device, opens machine, and controller controls hydraulic cylinder by the first control valve and lives
Stopper rod stretching, extension, so that dynamic jaw tooth plate 3 is contacted with fixed tooth plate 2, when dynamic jaw tooth plate 3 is contacted with fixed tooth plate 2, pressure sensor will
Signal is transmitted to controller, and the hydraulic cylinder piston rod of controller control later is moved into hydraulic cylinder, and mobile displacement is gape 4
Setting value displacement, even if the travel displacement that hydraulic cylinder stretches out when fixed tooth plate 2 and dynamic jaw tooth plate 3 contact move right it is default
Gape 4 setting value displacement, guarantee that the size of default gape 4 remains unchanged.
When driving dynamic jaw tooth plate 3 to move by motor 19, since dynamic jaw tooth plate 3 is mounted on dynamic jaw stroke adjuster,
Dynamic jaw tooth plate 3 can generate dynamic jaw stroke with the rotation of dynamic jaw drive shaft 5, then be mounted on the dynamic jaw stroke of dynamic 3 downside of jaw tooth plate
Compensation device generates corresponding stroke compensation with the eccentric rotary of dynamic jaw tooth plate 3.
When according to program by hydraulic cylinder be moved to the left the limit apart from when, controller does not obtain the sense of pressure sensor
Induction signal, controller provide alerting signal or alarm signal.
The invention has the benefit that the present invention is used in a variety of jaw crushers by dynamic jaw stroke adjuster,
Device configuration can be made changeable, can be applied to the operating condition of various ores, give full play to the production capacity of equipment, it can be according to processed material
Expect specification demands, control discharge outlet adjustment device at any time, accurately adjust width of discharge opening, controls finished product granule size；It is broken
Same material yield, low energy consumption, can reduce a large amount of production cost, connection is quick, reliable, easy for assembly, disassembly and maintenance.
Above-mentioned specific embodiment/embodiment is specific specific embodiment of the invention, of the invention for illustrating
Design, be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except herein
Outside the embodiment of record, those skilled in the art can also be adopted based on the claim of this application book and specification disclosure of that
With obvious other technical solutions, these technical solutions include using to the embodiment recorded herein make it is any aobvious and
The technical solution for the substitutions and modifications being clear to, all within protection scope of the present invention.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (8)
1. a kind of dynamic jaw stroke adjuster, including crusher frame, fixed tooth plate and dynamic jaw tooth plate, fixed tooth plate is fixedly mounted
On crusher frame, dynamic jaw tooth plate is movably arranged on crusher frame, forms crusher chamber between fixed tooth plate and dynamic jaw tooth plate,
The lower end of crusher chamber be gape, which is characterized in that the dynamic jaw stroke adjuster include be mounted on on dynamic jaw tooth plate
Dynamic jaw drive shaft, move eccentric bush in jaw drive shaft, the outside of the inside of eccentric bush and dynamic jaw drive shaft is equipped with installation key
Slot, by the installation keyway installation key make drive shaft and eccentric bush common rotation, eccentric bush is equipped with eccentric bushing outside,
It is equipped with multiple first connection keyways on the outside of eccentric bush, the second connection keyway is equipped in eccentric bushing, by selecting at one first
Connection keyway, which connect installation key in keyway with second, makes eccentric bush and eccentric bushing common rotation so as to adjust the dynamic of dynamic jaw tooth plate
Jaw stroke.
2. a kind of jaw crusher, which is characterized in that have dynamic jaw stroke adjuster described in claim 1.
3. jaw crusher according to claim 2, which is characterized in that the jaw crusher further includes and dynamic jaw tooth plate
The discharge outlet adjustment device of connection, discharge outlet adjustment device are mounted in the right end of crusher frame, move jaw tooth plate and discharge gate adjustment
Bracket is housed, discharge outlet adjustment device is equipped with the tension device with dynamic jaw truss plate connection between device.
4. jaw crusher according to claim 3, which is characterized in that the discharge outlet adjustment device includes support
Frame, support frame is interior to be equipped with the sliding block hinged with bracket, and adjusting shims are equipped between sliding block and support frame.
5. jaw crusher according to claim 3, which is characterized in that the discharge outlet adjustment device includes support
Frame, support frame is interior to be equipped with wedge adjusting device, and wedge adjusting device is hinged with bracket.
6. jaw crusher according to claim 3, which is characterized in that the tension device includes spring pull rod, bullet
One end of spring pull rod is fixedly mounted on the support frame, and the other end of spring pull rod is hinged on dynamic jaw tooth plate.
7. jaw crusher according to claim 3, which is characterized in that the tension device includes hydraulic pressure draw-bar, liquid
One end of pull rod is pressed to be fixedly mounted on the support frame, the other end of hydraulic pressure draw-bar is hinged on dynamic jaw tooth plate.
8. jaw crusher according to claim 2, which is characterized in that the crusher frame is equipped with motor, electricity
Machine is equipped with small belt pulley, moves jaw drive shaft and is equipped with big belt pulley, and small belt pulley is connect by V belt with big belt pulley,
Motor driven is set to move jaw drive shaft turns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528707.2A CN110193398A (en) | 2019-06-18 | 2019-06-18 | A kind of dynamic jaw stroke adjuster and its jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528707.2A CN110193398A (en) | 2019-06-18 | 2019-06-18 | A kind of dynamic jaw stroke adjuster and its jaw crusher |
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| Publication Number | Publication Date |
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| CN110193398A true CN110193398A (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910528707.2A Pending CN110193398A (en) | 2019-06-18 | 2019-06-18 | A kind of dynamic jaw stroke adjuster and its jaw crusher |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215185A (en) * | 2020-03-21 | 2020-06-02 | 河南中誉鼎力智能装备有限公司 | Double-cavity horizontal type gyratory crusher and intelligent control method thereof |
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| CN108325595A (en) * | 2018-01-09 | 2018-07-27 | 徐工集团工程机械有限公司 | A kind of cone crusher degree of eccentricity regulating mechanism |
| CN208082559U (en) * | 2018-01-09 | 2018-11-13 | 徐工集团工程机械有限公司 | A kind of cone crusher degree of eccentricity regulating mechanism |
| CN108722543A (en) * | 2018-07-04 | 2018-11-02 | 伟尔格罗普机械设备（上海）有限公司 | Hydraulic auto adjusting jaw crusher |
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| CN111215185A (en) * | 2020-03-21 | 2020-06-02 | 河南中誉鼎力智能装备有限公司 | Double-cavity horizontal type gyratory crusher and intelligent control method thereof |
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Application publication date: 20190903 |