CN108525763B - Coal mine stone crushing device - Google Patents

Coal mine stone crushing device Download PDF

Info

Publication number
CN108525763B
CN108525763B CN201810170409.6A CN201810170409A CN108525763B CN 108525763 B CN108525763 B CN 108525763B CN 201810170409 A CN201810170409 A CN 201810170409A CN 108525763 B CN108525763 B CN 108525763B
Authority
CN
China
Prior art keywords
bevel gear
device body
fixedly connected
sleeve
coal mine
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.)
Active
Application number
CN201810170409.6A
Other languages
Chinese (zh)
Other versions
CN108525763A (en
Inventor
蒋欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Zhen Feng novel wall material Co., Ltd
Original Assignee
Xuzhou Zhen Feng Novel Wall Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xuzhou Zhen Feng Novel Wall Material Co Ltd filed Critical Xuzhou Zhen Feng Novel Wall Material Co Ltd
Priority to CN201810170409.6A priority Critical patent/CN108525763B/en
Publication of CN108525763A publication Critical patent/CN108525763A/en
Application granted granted Critical
Publication of CN108525763B publication Critical patent/CN108525763B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/10Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
    • B02C4/12Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/30Shape or construction of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/42Driving mechanisms; Roller speed control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a coal mine stone crushing device, wherein the lower part of a driving shaft is sleeved with the left end of a sleeve rod, the right end of the sleeve rod is fixedly connected with the side wall of a device body, the bottom of the driving shaft is fixedly connected with a semi-circular bevel gear, the left side and the right side of the semi-circular bevel gear are respectively provided with a bevel gear, the bevel gear is fixedly connected with the right side of a threaded rod, the toothed part of the semi-circular bevel gear is meshed with the bevel gear; threaded rod threaded connection sleeve, sleeve lower extreme fixed connection wedge, device body bottom are the slope form, and a plurality of rolling wheels are connected in the rotation of wedge bottom. The device drives the reciprocal positive and negative rotation of threaded rod and then the reciprocal left and right movement of drive sleeve through half bevel gear and bevel gear, and the sleeve that removes about reciprocating drives wedge-shaped plate and rolling wheel and smashes the coal ore on one side and drives the baffle and remove intermittent type blanking about reciprocating, carries out the shock attenuation to the device body by branch and leg pole and leaf spring, noise reduction, protection device body avoid with ground rigid contact damage part.

Description

Coal mine stone crushing device
Technical Field
The invention relates to mining machinery, in particular to a coal mine stone crushing device.
Background
Ores are mined from ore bodies from which mineral aggregates of useful constituent elements, compounds or minerals can be extracted. Ores are formed in various geological mineralizations, and ores formed in different geological mineralizations have different characteristics. The ore is generally composed of ore minerals and gangue minerals. Ore minerals are metal or non-metal minerals that can be utilized in the ore, also known as valuable minerals. Such as chromite in chromium ores, chalcopyrite, bornite, chalcocite and malachite in copper ores, asbestos in asbestos ores, and the like. The most common of many ores is coal mine.
Coal ore often need smash the back just can the finish machining to it after the back is mined out, and present coal ore reducing mechanism most adds the material through the manual work, and smashes the effect not good, still can produce great noise when kibbling, forms noise pollution, and the vibration range is unfavorable for extension reducing mechanism's life greatly.
Disclosure of Invention
The invention aims to provide a coal mine stone crushing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
A coal mine stone crushing device comprises a device body, a material box, a driving shaft, a bevel gear, a wedge-shaped plate, a material guide pipe, a cover plate and a plate spring, wherein the material box is arranged at the upper part of the left side of the device body, a driving motor is arranged at the right side of the material box, the driving motor is electrically connected with a power supply and a switch, and the lower end of the driving motor is rotatably connected with the driving shaft; the lower part of the driving shaft is sleeved with the left end of a sleeve rod, the right end of the sleeve rod is fixedly connected with the side wall of the device body, the bottom of the driving shaft is fixedly connected with a semi-circular bevel gear, the left side and the right side of the semi-circular bevel gear are respectively provided with a bevel gear, the bevel gear is fixedly connected with the right side of a threaded rod, the toothed part of the semi-circular bevel gear is meshed with the bevel gear, and; the threaded rod is in threaded connection with a sleeve, the lower end of the sleeve is fixedly connected with a wedge-shaped plate, the bottom of the device body is inclined, and the bottom of the wedge-shaped plate is rotatably connected with a plurality of rolling wheels; the upper end of the sleeve is fixedly connected with a baffle, the upper end of the baffle is slidably connected with a chute, the chute is fixedly connected with the bottom of the material box, the bottom of the left side of the material box is communicated with a material guide pipe, and the lower end of the material guide pipe is attached to the baffle; the lower part of the right side of the device body is rotatably connected with a cover plate, and the lower end of the cover plate is sleeved with a bolt; the device body lower extreme distolateral respectively fixed connection a branch, leg pole upper portion is cup jointed to the branch lower part, and leg pole middle part fixed connection diaphragm, fixed connection leaf spring upper end in the middle of the device body bottom, and leaf spring lower extreme both sides are rotated respectively and are connected the slider, slider sliding connection guide rail, guide rail fixed connection diaphragm.
As a further scheme of the invention: the driving motor is fixedly connected with the motor base, and the motor base is fixedly connected with the right wall of the material box through bolts.
As a still further scheme of the invention: the upper end of the bolt is abutted against the spring, and the spring is connected with the cover plate.
As a still further scheme of the invention: the upper end of the left side of the material box is communicated with the feeding hole.
As a still further scheme of the invention: the bottom inclination angle of the device body is the same as that of the wedge-shaped plate.
As a still further scheme of the invention: half of the semi-circular bevel gear is provided with teeth and half is not provided with teeth.
As a still further scheme of the invention: the bottom of the device body is fixedly connected with a lantern ring, and the bolt is inserted into the lantern ring.
Compared with the prior art, the invention has the beneficial effects that: the device drives the reciprocal positive and negative rotation of threaded rod and then the reciprocal removal of drive sleeve through half bevel gear and bevel gear, and the sleeve that removes about reciprocating drives wedge board and rolling wheel and smashes the coal ore and drives the baffle on one side and remove intermittent type blanking about reciprocating, carries out the shock attenuation to the device body by branch and leg pole and leaf spring, and the noise reduction, protection device body are exempted from and are favorable to the life of extension fixture body with ground rigid contact damage part. The device structural design is reasonable suitable for, has improved mining stone's crushing efficiency greatly, and degree of automation is high.
Drawings
Fig. 1 is a schematic structural diagram of a coal mine stone crushing device.
Fig. 2 is a bottom view of a wedge plate and a rolling wheel in the coal mine stone crushing device.
Fig. 3 is a structural schematic diagram of a plate spring and a sliding block in the coal mine stone crushing device.
In the figure: 1-the device body; 2-a material box; 3-driving a motor; 4-a motor base; 5-driving shaft; 6-half bevel gear; 7-bevel gears; 8-a threaded rod; 9-a sleeve; 10-a wedge plate; 11-a rolling wheel; 12-a baffle plate; 13-a material guide pipe; 14-a chute; 15-a feed inlet; 16-a cover plate; 17-a latch; 18-a strut; 19-leg bar; 20-a leaf spring; 21-a slide block; 22-guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a coal mine stone crushing device includes a device body 1, a material tank 2, a driving shaft 5, a bevel gear 7, a wedge plate 10, a material guide pipe 13, a cover plate 16, and a plate spring 20; the device comprises a device body 1, a material box 2, a feed inlet 15, a driving motor 3, a motor base 4, a bolt, a power supply and a switch, wherein the upper part of the left side of the device body 1 is provided with the material box 2, the upper end of the left side of the material box 2 is communicated with the feed inlet 15, the right side of the material box 2 is provided with the driving motor 3, the driving motor 3 is fixedly connected with the motor base 4, the motor base 4 is fixedly connected with the right wall of the material box 2 through the bolt, the driving motor 3 is; the lower part of the driving shaft 5 is sleeved with the left end of a sleeve rod, the right end of the sleeve rod is fixedly connected with the side wall of the device body 1, the bottom of the driving shaft 5 is fixedly connected with a semi-circular bevel gear 6, half of the semi-circular bevel gear 6 is toothed, half of the semi-circular bevel gear is toothless, the left side and the right side of the semi-circular bevel gear 6 are respectively provided with a bevel gear 7, the bevel gear 7 is fixedly connected with the right side of a threaded rod 8, the toothed part of the semi-circular bevel gear 6 is meshed with the bevel gear 7, the end part of the threaded rod 8 rotates to be connected with the side wall; 8 threaded connection sleeves 9 of threaded rod, sleeve 9 lower extreme fixed connection wedge 10, 1 bottom of device body is the slope form, and 1 bottom inclination of device body is the same with 10 bottom inclination of wedge, and 10 bottoms of wedge rotate and connect a plurality of rolling wheels 11, and threaded rod 8 of reciprocal just reversing drives sleeve 9 and wedge 10 and reciprocates and remove and then drive the coal ore of 11 reciprocal extrusion device bodies bottoms of rolling wheel, can reduce through rotatable rolling wheel 11 and roll the resistance.
The upper end of the sleeve 9 is fixedly connected with a baffle 12, the upper end of the baffle 12 is slidably connected with a chute 14, the chute 14 is fixedly connected with the bottom of the material box 2, the bottom of the left side of the material box 2 is communicated with a material guide pipe 13, the lower end of the material guide pipe 13 is attached to the baffle 12, the sleeve 9 moving left and right in a reciprocating mode drives the baffle 12 to move left and right in a reciprocating mode so that the material guide pipe 12 is communicated with the inside of the device body 1 intermittently, and; the device body 1 right side lower part is rotated and is connected apron 16, and 16 lower extremes of apron cup joints bolt 17, and 17 upper ends butt springs, spring coupling apron 16, and the 1 bottom fixed connection lantern ring of device body, and in the bolt 17 plug-in lantern ring, can realize apron 16's sealed confession through bolt 17 and lantern ring cooperation use, upwards stimulate bolt 17 and make to go to open the colliery stone after will smashing with the lantern ring separation and discharge with apron 16 rotation.
Device body 1 lower extreme side branch 18 of fixed connection respectively, 19 upper portions of leg bar are cup jointed to branch 18 lower part, and 19 middle part fixed connection diaphragm of leg bar, fixed connection leaf spring 20 upper ends in the middle of device body 1 bottom, 20 lower extreme both sides of leaf spring rotate respectively and connect slider 21, slider 21 sliding connection guide rail 22, guide rail 22 fixed connection diaphragm, carry out the shock attenuation through branch 18 and leg bar 19 and leaf spring 20 to device body 1, the noise reduction, protection device body 1 avoids damaging the part with ground rigid contact, be favorable to prolonging the life of device body 1.
The working principle of the invention is as follows: the switch is opened to enable the driving motor 3 to work electrically to drive the driving shaft 5 to rotate, the rotating driving shaft 5 drives the tooth parts of the semi-circular bevel gears 6 to engage with the bevel gears 7 on the left side and the right side in a reciprocating mode to drive the threaded rods 8 to rotate in a reciprocating mode, the threaded rods 8 which rotate in a reciprocating mode and in a forward and reverse mode drive the sleeves 9 and the wedge plates 10 to move in a reciprocating mode to move in a left and right mode to drive the rolling wheels 11 to extrude coal ores at the bottom of the device body 1 in a reciprocating mode, rolling resistance can be reduced through the rotatable rolling wheels 11, the sleeves 9 which move in a reciprocating mode and in a left and right mode drive the baffle plates 12 to move in a reciprocating mode to move in a left and right mode to enable the guide pipes 12 to be communicated with the inside of the device body 1 intermittently, an intermittent blanking function is achieved, the cover plate 16 can be sealed, the noise is reduced, the device body 1 is protected from being in rigid contact with the ground to damage components, and the service life of the device body 1 is prolonged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A coal mine stone crushing device comprises a device body (1), a material box (2), a driving shaft (5), a bevel gear (7), a wedge-shaped plate (10), a material guide pipe (13), a cover plate (16) and a plate spring (20), and is characterized in that the material box (2) is arranged at the upper part of the left side of the device body (1), a driving motor (3) is arranged at the right side of the material box (2), the driving motor (3) is electrically connected with a power supply and a switch, and the lower end of the driving motor (3) is rotatably connected with the driving shaft (5); the left end of a loop bar is sleeved at the lower part of the driving shaft (5), the right end of the loop bar is fixedly connected with the side wall of the device body (1), the bottom of the driving shaft (5) is fixedly connected with a semi-circular bevel gear (6), the left side and the right side of the semi-circular bevel gear (6) are respectively provided with a bevel gear (7), the bevel gear (7) is fixedly connected with the right side of a threaded rod (8), the toothed part of the semi-circular bevel gear (6) is meshed with the bevel gear (7), and the end part of the threaded rod (; the threaded rod (8) is in threaded connection with the sleeve (9), the lower end of the sleeve (9) is fixedly connected with the wedge-shaped plate (10), the bottom of the device body (1) is inclined, and the bottom of the wedge-shaped plate (10) is rotatably connected with the plurality of rolling wheels (11); the upper end of the sleeve (9) is fixedly connected with a baffle (12), the upper end of the baffle (12) is slidably connected with a chute (14), the chute (14) is fixedly connected with the bottom of the material box (2), the bottom of the left side of the material box (2) is communicated with a material guide pipe (13), and the lower end of the material guide pipe (13) is attached to the baffle (12); the lower part of the right side of the device body (1) is rotatably connected with a cover plate (16), and the lower end of the cover plate (16) is sleeved with a bolt (17); the device body (1) lower extreme side is a branch (18) of fixed connection respectively, and leg pole (19) upper portion is cup jointed to branch (18) lower part, and leg pole (19) middle part fixed connection diaphragm, fixed connection leaf spring (20) upper end in the middle of device body (1) bottom, and connection slider (21) are rotated respectively to leaf spring (20) lower extreme both sides, slider (21) sliding connection guide rail (22), guide rail (22) fixed connection diaphragm.
2. The coal mine stone crushing device according to claim 1, wherein the driving motor (3) is fixedly connected with a motor base (4), and the motor base (4) is fixedly connected with the right wall of the material box (2) through bolts.
3. A coal mine stone crushing device according to claim 1, characterized in that the upper end of the bolt (17) abuts a spring, which is connected to the cover plate (16).
4. A coal mine stone crushing device according to claim 1, characterized in that the upper left end of the material tank (2) is communicated with the feed inlet (15).
5. A coal mine stone crushing device according to claim 1, characterized in that the bottom inclination angle of the device body (1) is the same as the bottom inclination angle of the wedge-shaped plate (10).
6. a coal mine stone crushing apparatus according to claim 1, wherein half of the half bevel gear (6) is toothed and half is toothless.
7. A coal mine stone crushing device according to claim 1, characterized in that the bottom of the device body (1) is fixedly connected with a sleeve ring, and the bolt (17) is inserted into the sleeve ring.
CN201810170409.6A 2018-03-01 2018-03-01 Coal mine stone crushing device Active CN108525763B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810170409.6A CN108525763B (en) 2018-03-01 2018-03-01 Coal mine stone crushing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810170409.6A CN108525763B (en) 2018-03-01 2018-03-01 Coal mine stone crushing device

Publications (2)

Publication Number Publication Date
CN108525763A CN108525763A (en) 2018-09-14
CN108525763B true CN108525763B (en) 2019-12-13

Family

ID=63486455

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810170409.6A Active CN108525763B (en) 2018-03-01 2018-03-01 Coal mine stone crushing device

Country Status (1)

Country Link
CN (1) CN108525763B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111250536B (en) * 2020-02-18 2021-10-29 吉林建筑大学 Ecological restoration device for pyrite mine waste land
CN112844534A (en) * 2020-12-24 2021-05-28 东台市鑫富达机械有限公司 A device of milling for grain processing
CN114870949B (en) * 2022-04-11 2024-05-28 江苏蜂奥生物科技有限公司 Device and method for producing propolis ethanol extract

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205128047U (en) * 2015-10-13 2016-04-06 杭州杭硕新材料科技有限公司 Three -roller grinder
CN206010690U (en) * 2016-05-30 2017-03-15 苏州微米光学科技有限公司 A kind of multiple rows of glass column round end lapping device
CN107297251A (en) * 2017-07-24 2017-10-27 安徽永生堂药业有限责任公司 A kind of bar-shaped traditional Chinese medicine powder breakdown mill all-in-one
CN107457023A (en) * 2017-09-28 2017-12-12 储昭义 A kind of agricultural food product processing removes the peel fuel pulverizing plant with iblet
CN107617467A (en) * 2017-11-07 2018-01-23 耒阳腾升环保科技开发有限责任公司 A kind of bamboo charcoal processing crushing device
CN107670754A (en) * 2017-09-05 2018-02-09 赖文辉 A kind of herding feed making raw material efficient pulverizing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205128047U (en) * 2015-10-13 2016-04-06 杭州杭硕新材料科技有限公司 Three -roller grinder
CN206010690U (en) * 2016-05-30 2017-03-15 苏州微米光学科技有限公司 A kind of multiple rows of glass column round end lapping device
CN107297251A (en) * 2017-07-24 2017-10-27 安徽永生堂药业有限责任公司 A kind of bar-shaped traditional Chinese medicine powder breakdown mill all-in-one
CN107670754A (en) * 2017-09-05 2018-02-09 赖文辉 A kind of herding feed making raw material efficient pulverizing device
CN107457023A (en) * 2017-09-28 2017-12-12 储昭义 A kind of agricultural food product processing removes the peel fuel pulverizing plant with iblet
CN107617467A (en) * 2017-11-07 2018-01-23 耒阳腾升环保科技开发有限责任公司 A kind of bamboo charcoal processing crushing device

Also Published As

Publication number Publication date
CN108525763A (en) 2018-09-14

Similar Documents

Publication Publication Date Title
CN108525763B (en) Coal mine stone crushing device
CN203387876U (en) Punching and fertilizing integrated machine
CN108097373B (en) Dust extraction is smashed to ore
CN109184681B (en) Ore mining is with chisel digging device
JP6813745B1 (en) Crush recovery device for metal scraps
CN108505994B (en) Mining drilling hammer integrated cutting equipment
CN107855176A (en) A kind of ore sorts reducing mechanism
CN207357248U (en) A kind of ore sorts reducing mechanism
CN110195587B (en) Automatic mining vehicle for large-scale difficult-to-mine deposit in complex area
CN112473935B (en) Ore crushing equipment for metal smelting
WO2024083106A1 (en) Small-size high-rotation-speed drill for mechanical reaming and dust-free operations
CN117696161A (en) Double-toothed roller crusher capable of avoiding damage to crushing teeth and method thereof
CN209192008U (en) A kind of door and window production sash transloading equipment
CN205131414U (en) Crawler -type underactuated robot with shape self -adaptation
CN206812068U (en) A kind of pellet device
CN108554516A (en) A kind of mining stone material grinding device
CN216225454U (en) A sand removal device for mud bentonite synergist
CN106914946A (en) A kind of pellet device
CN203711122U (en) Crusher component applied to silicon material production
CN105366280A (en) Underground gateroad coal removal pre-crushing device for coal briquettes
CN112228073A (en) Dust removal mining trolley for open-pit mine
CN205572079U (en) Dig wall device
CN213510602U (en) Ore device is taken off to high efficiency of ore deposit room for mining
CN220285745U (en) Dust removal mining trolley for open-pit mine
CN203938581U (en) Improved electronic level fiberglass kiln feeding unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20191113

Address after: Fengxian County Shun Shun Town Village 221700 Jiangsu city of Xuzhou Province

Applicant after: Xuzhou Zhen Feng novel wall material Co., Ltd

Address before: 448000 Galaxy 501, 501 C, Galaxy Road, two road intersection, Dongbao District, Jingmen, Hubei.

Applicant before: Jiang Xin

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20180914

Assignee: Xuzhou Zhongke Zhenfeng environmental science and Technology Research Institute Co.,Ltd.

Assignor: XUZHOU ZHENFENG NEW WALL MATERIAL CO.,LTD.

Contract record no.: X2021980016168

Denomination of invention: A coal mine stone crushing device

Granted publication date: 20191213

License type: Common License

Record date: 20220105

EE01 Entry into force of recordation of patent licensing contract