CN108970689A - A kind of circular cone crushing structure for muck - Google Patents
A kind of circular cone crushing structure for muck Download PDFInfo
- Publication number
- CN108970689A CN108970689A CN201811031840.9A CN201811031840A CN108970689A CN 108970689 A CN108970689 A CN 108970689A CN 201811031840 A CN201811031840 A CN 201811031840A CN 108970689 A CN108970689 A CN 108970689A
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- CN
- China
- Prior art keywords
- crushing
- cone
- feeding inlet
- face
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/007—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of circular cones for muck to crush structure, including shell, feeding inlet, crushing cone, crushing undertaking body, exhaust fan, main rotary shaft, main motor and discharge port；The top of shell is arranged in the feeding inlet, and the two sides in feeding inlet are provided with vibration damper plate, and the underface for crushing cone and feeding inlet being arranged in crushes cone and is fixedly connected with main rotary shaft；The crushing cone is rotated under the drive of main rotary shaft；Point-blank, the crushing undertaking body includes the two semi-ring undertaking body in left and right for the central axes for crushing cone and the central axes of feeding inlet, and described two semi-ring undertaking body are surrounded cone annular is crushed；The semi-ring undertaking body includes upper crushed face, lower crushed face, upper spring, lower spring, connecting rod, pneumatic cylinder, pressure detector and control unit；The upper crushed face is connect with upper spring, and lower crushed face is connect with lower spring；The piston rod of the pneumatic cylinder is fixedly connected with the connecting rod.
Description
Technical field
The present invention relates to mine technical field is dug, especially a kind of circular cone for muck crushes structure.
Background technique
Ore is generally divided into low-grade ore, common ore and high-grade ore.Sometimes only it is divided into low-grade ore and high-grade ore, this division
Do not seek unity of standard.Ore is observed using portable microscope in mining process, ore is carried out with portable microscope
The ore observed, barren rock be mixed into or the loss of high grade ore etc. due to, the phenomenon that making the grade of ore of extraction reduces
Claim ore dilution.Ore dilution will increase transport and processing charges, reduce the production capacity and the rate of recovery of ore processing department.Such as
Contain objectionable impurities in barren rock, will also reduce end product quality.Ore dilution is mainly with ore dilution rate, industrial ore grade
And the difference of extracted ore grade and the ratio of production-grade, are expressed as a percentage.
Ore needs to crush ore after mining, handles so as to subsequent ore, and existing ore crushes
Machine crushes not exclusively ore, and directly pouring into when entering mine can cause to damage to mine machine, and gates crusher is to mine
When stone is crushed, the slug in ore can damage mine machine, and a large amount of flue dust is had when muck
It generates, is unfavorable for environmental protection.
Summary of the invention
Goal of the invention of the invention is: in view of the above-mentioned problems, providing a kind of circular cone crushing structure for muck, being used for
Damage and flue dust of the slug to conical mine machine during solving the problems, such as that ore crushes.
A kind of circular cone crushing structure for muck, including shell, feeding inlet, crushing cone, crushing undertaking body, exhausting
Machine, main rotary shaft, main motor and discharge port；The top of shell is arranged in the feeding inlet, and the two sides in feeding inlet, which are provided with, to be subtracted
Plate is shaken, the underface for crushing cone and feeding inlet being arranged in crushes cone and is fixedly connected with main rotary shaft；The crushing cone
It is rotated under the drive of main rotary shaft；It is described crush cone central axes and feeding inlet central axes point-blank,
The crushing undertaking body includes the two semi-ring undertaking body in left and right, and described two semi-ring undertaking body are surrounded cone annular is crushed；Institute
Stating semi-ring undertaking body includes upper crushed face, lower crushed face, upper spring, lower spring, connecting rod, pneumatic cylinder, pressure detector and control
Unit processed；The upper crushed face is connect with upper spring, and lower crushed face is connect with lower spring；The piston rod of the pneumatic cylinder and connection
Bar is fixedly connected, and the connecting rod is L shape, and piston rod can drive connecting rod to slide left and right inside the shell, the gas
The side obliquely downward of feeding inlet is arranged in cylinder pressure, and pneumatic cylinder is fixedly connected with shell, and the pressure detector is separately positioned on crushing
In face and lower crushed face, pressure detector is electrically connected with control unit, and the rear side of pneumatic cylinder cylinder body is arranged in described control unit,
Control unit is electrically connected with pneumatic cylinder.
Preferably, damping chamber is provided between described control unit and feeding inlet, damping chamber wraps control unit, institute
It states in damping chamber filled with vibration-absorptive material.
Preferably, it is provided with crushing groove on the upper crushed face and lower crushed face, the crushing groove is strip.
Preferably, the main rotary shaft is fixedly connected with the output shaft of main motor, and the bottom of shell is arranged in the main motor
Portion, main motor are fixedly connected with shell, and annular crushing piece, the outer corral of the annular crushing piece are provided on the main rotary shaft
It is provided around a circle fixed plate, the fixed plate is vertically arranged, and main rotary shaft and annular crushing piece are surrounded and form one by fixed plate
A cylindrical shape, the fixed plate are fixedly connected with mine continuing surface is fallen.
Preferably, the slope of the upper crushed face is greater than the slope of lower crushed face, and the intensity of upper spring is greater than lower spring
Intensity.
Preferably, the crushing cone surface setting is fluted and raised, and the groove and bulge clearance are arranged, groove edge
The surface annular setting of cone is crushed, protrusion is being arranged between two grooves.
Preferably, the lower position for crushing taper, which is provided with, falls mine continuing surface, and the mine continuing surface that falls sets for inclined-plane
It sets, falls mine continuing surface and be fixedly connected with shell, described fall on mine continuing surface is set as class face.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. the present invention can carry out finer crushing to ore using crushing undertaking body and crushing circular cone, when for the second time more
When adding fine crushing, at this time in ore can there are many slugs to occur, since the intensity of lower spring is smaller, when crushing
During there is slug, then harder slug can by lower spring support hold, then drop into main rotary shaft down
In, reduce destruction of the slug to cone is crushed.
2. the present invention is slowed down using the initial velocity that damping baffle can enter ore, after multiple damping, ore
Meeting low speed enters crushing cone surface, thus reduce the mechanical damage that ore crushes cone, the extended service life for crushing cone.
3. the present invention uses exhaust fan and dustcloth, flue dust can be recycled, reduce the discharge of flue dust, protected
Ecological environment is protected.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of groove and protrusion of the invention；
Fig. 4 is the structural schematic diagram that the present invention crushes that cone is overlooked；
Marked in the figure: 1, shell；2, feeding inlet；3, cone is crushed；4, undertaking body is crushed；5, exhaust fan；6, main rotary shaft；7, main
Motor；8, discharge port；12, mine continuing surface is fallen；13, fixed plate；21, vibration damper plate；31, groove；32, raised；41, upper crushed face；
42, lower crushed face；43, upper spring；44, lower spring；45, connecting rod；46, pneumatic cylinder；47, pressure detector；48, control is single
Member；49, damping chamber；51, storage pocket；61, annular crushing piece；81, dustcloth.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one
As shown in Figure 1, a kind of circular cone for muck crushes structure, including shell 1, feeding inlet 2, crushing cone 3, crushing undertaking
Body 4, exhaust fan 5, main rotary shaft 6, main motor 7 and discharge port 8；The feeding inlet 2 is arranged in the top of shell 1, in feeding inlet 2
Two sides be provided with vibration damper plate 21, the underface for crushing cone 3 and feeding inlet 2 being arranged in crushes cone 3 and main rotary shaft 6
It is fixedly connected；The crushing cone 3 is rotated under the drive of main rotary shaft 6；The central axes for crushing cone 3 and pan feeding
The central axes of mouth 2 are point-blank, which is characterized in that the crushing undertaking body 4 includes the two semi-ring undertaking body in left and right, described
Two semi-ring undertaking body are surrounded 4 annular of cone is crushed；The semi-ring undertaking body include upper crushed face 41, lower crushed face 42, on
Spring 43, lower spring 44, connecting rod 45, pneumatic cylinder 46, pressure detector 47 and control unit 48；The upper crushed face 41 with it is upper
Spring 43 connects, and lower crushed face 42 is connect with lower spring 44；The piston rod of the pneumatic cylinder 46 is fixedly connected with the connecting rod, described
Connecting rod is L shape, and piston rod can drive connecting rod to slide left and right in shell 1, and the setting of pneumatic cylinder 46 is entering
The side obliquely downward of material mouth 2, pneumatic cylinder 46 are fixedly connected with shell 1, and the pressure detector 47 is separately positioned on 41 He of crushed face
In lower crushed face 42, pressure detector 47 is electrically connected with control unit 48, and described control unit 48 is arranged in 46 cylinder body of pneumatic cylinder
Rear side, control unit 48 is electrically connected with pneumatic cylinder 46.
When pressure detector 47 detects the pressure anomaly on upper crushed face 41 and lower crushed face 42, signal is passed into control
Unit 48 processed, 48 control pressure cylinder 46 of control unit move outward, and the metal block of high rigidity is discharged to downwards main rotary shaft 6
In, pressure detector 47 more accurate can detect pressure, to reduce crushed face 41, lower crushed face 42 and powder
The mechanical damage of broken cone 3, reduces maintenance cost.
It is provided with damping chamber 49 between described control unit 48 and feeding inlet 2, is filled with damping material in the damping chamber 49
Material.Damping chamber 49 can protect the influence for the vibration that control unit 48 is not generated by the shock of ore.It is single to improve control
The stability of member 48, described control unit 48 are specially PLC programmable logic controller (PLC), model SIMATIC S7-300.
Crushing groove is provided on the upper crushed face 41 and lower crushed face 42, the crushing groove is strip.
Crushing groove can be with the protrusion 32 and 31 matching of groove effect crushed in cone 3, can be more preferable, more efficient more power saving
Ore is crushed.
Embodiment two
As shown in Fig. 2 ~ Fig. 4, a kind of circular cone crushing structure for muck, including shell 1, feeding inlet 2, crushing cone 3, crushing
Undertaking body 4, exhaust fan 5, main rotary shaft 6, main motor 7 and discharge port 8；The top of shell 1, pan feeding is arranged in the feeding inlet 2
Two sides on mouth 2 are provided with vibration damper plate 21, and the two sides of feeding inlet 2 are arranged in the vibration damper plate 21, and the vibration damper plate 21 is set as
It is multiple, and vibration damper plate 21, between the upper and lower every setting, for ore when delivering into material mouth 2, directly falling from feeding inlet 2 can be to powder
Broken cone 3 generates shock, and prolonged hit will affect the outer surface for crushing cone 3, by the pan feeding vibration damper plate 21 of this two sides,
The initial velocity that can enter to ore slows down, and after multiple damping, ore meeting low speed, which enters, crushes 3 surface of cone, thus
Reduce the mechanical damage that ore crushes cone 3, the extended service life for crushing cone 3.
The underface for crushing cone 3 and feeding inlet 2 being arranged in, crushes cone 3 and is fixedly connected with main rotary shaft 6；It is described
Cone 3 is crushed to be rotated under the drive of main rotary shaft 6；The central axes for crushing cone 3 and the central axes of feeding inlet 2 exist
On straight line；3 surface of the crushing cone setting fluted 31 and protrusion 32, the groove 31 are arranged with 32 interval of protrusion,
Groove 31 is being arranged between two grooves 31 along the surface annular setting for crushing cone 3, protrusion 32.
Crush cone 3 rotated under the drive of main rotary shaft 6, ore enter crush cone 3 and crush continuing surface it
Between muck channel, the protrusion 32 crushed in cone 3 crushes ore under the drive of crushing cone 3, in the crushing cone 3
Groove 31 ore can also be crushed under the drive for crushing cone 3, smashed ore clast will fill full groove
31, crumb layer is formed in groove 31, the crumb layer can be protected to 3 surface of cone is crushed, and crush cone 3
Crumb layer can also will realize the muck effect of " material abrasive material " to ore between crushing undertaking body 4.
The crushing undertaking body 4 includes the two semi-ring undertaking body in left and right；Described two semi-ring undertaking body will crush 3 ring of cone
Shape surrounds；The semi-ring undertaking body includes upper crushed face 41, lower crushed face 42, upper spring 43, lower spring 44 and connecting rod 45；Institute
It states crushed face 41 to connect with upper spring 43, lower crushed face 42 is connect with lower spring 44, and the slope of upper crushed face 41 is greater than lower powder
The slope in broken face 42, the intensity of upper spring 43 are greater than the intensity of lower spring 44；The connecting rod 45 is by semi-ring undertaking body and outer wall
It is fixedly connected.
When ore, which enters, to be crushed undertaking body 4 and crush the crushing drive between cone 3, ore is introduced into 2
On the upper crushing anchor ring that upper crushed face 41 is surrounded, the upper groove 31 and protrusion 32 for crushing anchor ring and crushing in cone 3 rotates powder
It is broken, the ore of bulk is ground into small ore first, since the intensity of upper spring 43 is big, so when being crushed to ore,
And big ore can be crushed to whole damping when crushing；When process first time smashed ore is upper
It crushes after tentatively being crushed on anchor ring, since the slope of upper crushed face 41 and the slope of lower crushed face 42 are different, tentatively crushes
Ore is crushed automatically into lower crushed face 42.
Due under crushed face 41 in the slope ratio of lower crushed face 42, following crushed face 42 and the surface of taper grinding bodies it is oblique
Rate is more nearly, following crushed face 42 can carry out finer crushing to ore, when in crushing finer for the second time
When, at this time in ore can there are many slug occur, since the intensity of lower spring 44 is smaller, when during crushing go out
Existing slug is held then harder slug can support lower spring 44, is then dropped into main rotary shaft 6 down.
The lower position for crushing taper, which is provided with, falls mine continuing surface 12, and the mine continuing surface 12 that falls is arranged for inclined-plane,
It falls mine continuing surface 12 to be fixedly connected with shell 1, described fall on mine continuing surface 12 is set as class face.
Second of smashed ore is dropped on mine continuing surface 12 by the lower surface of crushing cone 3, and muck can be in rank
A protective layer is formed on tread, since the ore flow fallen into is big, so the protective layer on cascaded surface can protect and fall mine and hold
Junction 12 reduces the replacement for falling mine continuing surface 12, has saved cost.
The main rotary shaft 6 is fixedly connected with the output shaft of main motor 7, and the bottom of shell 1 is arranged in the main motor 7,
Main motor 7 is fixedly connected with shell 1, is provided with annular crushing piece 61 on the main rotary shaft 6, the annular crushing piece 61 it is outer
Corral is provided around a circle fixed plate 13, and the fixed plate 13 is vertically arranged, and fixed plate 13 is by main rotary shaft 6 and annular crushing piece
61 around a cylindrical shape is formed, and the fixed plate 13 is fixedly connected with mine continuing surface 12 is fallen.
Ore is flowed into the annular crushing piece 61 of main rotary shaft 6 through falling mine continuing surface 12, passes through the rotation of main rotary shaft 6
It drives annular crushing piece 61 to rotate in the cylinder of fixed plate 13, ore is further crushed, not only increase crushing time
Number, also saves the energy.
13 surface of fixed plate is set as hard frosted shape, the convenient powder in annular crushing piece 61 in fixed plate 13
It is broken.
The outside of shell 1 is arranged in the exhaust fan 5, and exhaust fan 5 is connected by ventilation shaft and the perforation of shell 1, described
Ventilation shaft setting is in 45 downside of connecting rod and falls between 1 junction of mine continuing surface 12 and shell, and ventilation shaft is angularly disposed,
It is provided with storage pocket 51 between the exhaust fan 5 and ventilation shaft, is provided with dust mouth below storage pocket 51.
When dropping into the channel Luo Kuang after crusher cone crushes ore, a large amount of flue dust can be generated, is opened at this time
Exhaust fan 5 is entered tiny dust in storage pocket 51 by ventilation shaft obliquely by negative pressure, then in storage pocket
It is settled in 51, finally opens dust mouth and exclude tiny ore.Reduce the discharge of flue dust.
The bottom of principal screw axis is arranged in the discharge port 8, and the discharge port 8 is angularly disposed, 8 one end of discharge port and fixation
Connection, one end are fixedly connected with shell 1, and the discharge port 8 is provided with dustcloth 81,81 upper end of dustcloth with 1 junction of shell
It is fixedly connected with shell 1, ore is discharged by the lower end of dustcloth 81.Flue dust is further stopped by dustcloth 81, into one
Step reduces the discharge of flue dust, protects environment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of circular cone for muck crushes structure, including shell, feeding inlet, crush cone, crush undertaking body, exhaust fan,
Main rotary shaft, main motor and discharge port；The top of shell is arranged in the feeding inlet, and the two sides in feeding inlet are provided with damping
Plate, the underface for crushing cone and feeding inlet being arranged in, crushes cone and is fixedly connected with main rotary shaft；The crushing cone exists
It is rotated under the drive of main rotary shaft；It is described crush cone central axes and feeding inlet central axes point-blank,
It is characterized in that, the crushing undertaking body includes the two semi-ring undertaking body in left and right, and described two semi-ring undertaking body will crush cone ring
Shape surrounds；The semi-ring undertaking body includes upper crushed face, lower crushed face, upper spring, lower spring, connecting rod, pneumatic cylinder, pressure inspection
Survey device and control unit；The upper crushed face is connect with upper spring, and lower crushed face is connect with lower spring；The piston of the pneumatic cylinder
Bar is fixedly connected with the connecting rod, and the connecting rod is L shape, and piston rod can drive connecting rod to carry out left and right cunning inside the shell
Dynamic, the side obliquely downward of feeding inlet is arranged in the pneumatic cylinder, and pneumatic cylinder is fixedly connected with shell, and the pressure detector is respectively set
In upper crushed face and lower crushed face, pressure detector is electrically connected with control unit, and described control unit is arranged in pneumatic cylinder cylinder
The rear side of body, control unit are electrically connected with pneumatic cylinder.
2. a kind of circular cone for muck according to claim 1 crushes structure, which is characterized in that described control unit with
Damping chamber is provided between feeding inlet, the damping chamber wraps control unit, and vibration-absorptive material is filled in the damping chamber.
3. a kind of circular cone for muck according to claim 1 crushes structure, which is characterized in that the upper crushed face and
Crushing groove is provided on lower crushed face, the crushing groove is strip.
4. a kind of circular cone for muck according to claim 1 crushes structure, which is characterized in that the main rotary shaft with
The output shaft of main motor is fixedly connected, and the bottom of shell is arranged in the main motor, and main motor is fixedly connected with shell, the master
Annular crushing piece is provided in rotation axis, the outer ring of the annular crushing piece, which surrounds, is provided with a circle fixed plate, the fixed plate
It is vertically arranged, fixed plate accepts main rotary shaft and annular crushing piece around a cylindrical shape, the fixed plate is formed with mine is fallen
Face is fixedly connected.
5. a kind of circular cone for muck according to claim 1 crushes structure, which is characterized in that the upper crushed face
Slope is greater than the slope of lower crushed face, and the intensity of upper spring is greater than the intensity of lower spring.
6. a kind of circular cone for muck according to claim 1 crushes structure, which is characterized in that the crushing cone table
Face setting is fluted and raised, and the groove and bulge clearance are arranged, and groove exists along the surface annular setting for crushing cone, protrusion
It is arranged between two grooves.
7. a kind of circular cone for muck according to claim 1 crushes structure, which is characterized in that the crushing taper
Lower position, which is provided with, falls mine continuing surface, and the mine continuing surface that falls falls mine continuing surface and be fixedly connected with shell for inclined-plane setting, institute
It states to fall on mine continuing surface and is set as class face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031840.9A CN108970689A (en) | 2018-09-05 | 2018-09-05 | A kind of circular cone crushing structure for muck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031840.9A CN108970689A (en) | 2018-09-05 | 2018-09-05 | A kind of circular cone crushing structure for muck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108970689A true CN108970689A (en) | 2018-12-11 |
Family
ID=64544958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811031840.9A Withdrawn CN108970689A (en) | 2018-09-05 | 2018-09-05 | A kind of circular cone crushing structure for muck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108970689A (en) |
-
2018
- 2018-09-05 CN CN201811031840.9A patent/CN108970689A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181211 |
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| WW01 | Invention patent application withdrawn after publication |