CN208260857U - The vertical double-roll crusher of underground mine use - Google Patents

The vertical double-roll crusher of underground mine use Download PDF

Info

Publication number
CN208260857U
CN208260857U CN201820128728.6U CN201820128728U CN208260857U CN 208260857 U CN208260857 U CN 208260857U CN 201820128728 U CN201820128728 U CN 201820128728U CN 208260857 U CN208260857 U CN 208260857U
Authority
CN
China
Prior art keywords
broken
toothed roller
crushing
crushing toothed
fixing sleeve
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.)
Expired - Fee Related
Application number
CN201820128728.6U
Other languages
Chinese (zh)
Inventor
卜侃侃
王春生
刘金有
黄尧
王镇乾
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.)
Ningxia Heavy-Duty Heavy-Duty Equipment Technology Co Ltd
Ningxia Tiandi Benniu Industrial Group Co Ltd
Original Assignee
Ningxia Heavy-Duty Heavy-Duty Equipment Technology Co Ltd
Ningxia Tiandi Benniu Industrial Group 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 Ningxia Heavy-Duty Heavy-Duty Equipment Technology Co Ltd, Ningxia Tiandi Benniu Industrial Group Co Ltd filed Critical Ningxia Heavy-Duty Heavy-Duty Equipment Technology Co Ltd
Priority to CN201820128728.6U priority Critical patent/CN208260857U/en
Application granted granted Critical
Publication of CN208260857U publication Critical patent/CN208260857U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of vertical double-roll crusher of underground mine use, belong to mine crushing machine technical field, the crusher of the utility model design is crushed coal cinder by vertical double-roll type structure, by being vertically arranged the first crushing toothed roller and the second crushing toothed roller in broken case, in process of coal mining, material is transported between the first breaker roll and the second breaker roll in broken case by the scraper chain of elevating conveyor by breaking tank, the crushing teeth of first breaker roll and the second breaker roll is mutually twisted extruding, material is crushed by shearing, particle size after cracking is uniform, it is excessively broken material is not will cause, it being capable of effective protection lump coal rate, further broken material is transferred out by the scraper chain of elevating conveyor again.First breaker roll and the second breaker roll are driven in such a way that hydraulic motor is in conjunction with planetary gear speed reducing mechanism, and compact-sized, outer dimension is small, haulage drift height-width is required low, simultaneously because low energy consumption for intermeshing transmission, it is easily obtained biggish torque, crushing efficiency is high.

Description

The vertical double-roll crusher of underground mine use
Technical field
The utility model belongs to mine crushing machine technical field, and in particular to a kind of vertical roller pair breaking of underground mine use Machine.
Background technique
In coal mining work, crusher is one important component, and effect is by the original of working face mining Coal is rough and torn at the granularity for being suitable for belt conveyer coal bunker requirement.Existing downhole coal mine exploitation is generally used hammer with crusher Crusher.Hammer mill is driven using motor, pulley or retarder, is joined between motor and retarder with fluid-flywheel clutch It connecing, structure is complicated for such kind of drive, and space occupied is big, and it is high to haulage drift height, width requirement, and hammer crushing crusher machine Principle is that impact type is broken, causes material excessively broken, is unfavorable for protecting lump coal rate.
Summary of the invention
In view of this, it is necessary to provide a kind of underground mine use that is compact-sized and being capable of effective protection lump coal rate is right vertically Roll crusher.
A kind of vertical double-roll crusher of underground mine use, including be crushed case, the first crushing toothed roller, the second crushing toothed roller and break Broken slot, being crushed case is cube shape hollow structure, the first crushing toothed roller and the second crushing toothed roller structure is identical and vertically symmetrical setting In the left and right sides of broken case, to be crushed to material, breaking tank is connected to the bottom of broken case, for the scraper plate of elevating conveyor Chain passes through and transfers out broken material, and material is delivered in broken case by paddled conveyor chain, passes through the first crushing toothed roller Material is crushed with the engaged extruding of the crushing teeth of the second crushing toothed roller, then passes through paddled conveyor chain for broken material It transfers out.
Preferably, first crushing toothed roller includes that round fixed part, broken portion and driving device, round fixed part are fixed In the upper end in broken portion, and round fixed part and broken portion form internal cavities, to install driving device, and then pass through driving dress It sets the broken portion's rotation of driving and carrys out broken material;Round fixed part includes circle fixing sleeve, and the portion that is crushed includes round roll body set and breaks Broken tooth, round fixing sleeve is by driving device and round roll body set connection, so that round roll body set is rotated around round fixing sleeve, Also in the internal cavities of the inside of round fixing sleeve setting installation driving device, crushing teeth is fixed on the lateral wall of round roll body set On, to be crushed to material;The upper end of round fixing sleeve is provided with arc-shaped installation edge, to install fixed crushing teeth Roller, the corresponding top cover both ends in broken case are symmetrical arranged there are two arc-shaped mounting hole, with fixed with the circle of crushing toothed roller First crushing toothed roller and the second crushing toothed roller are fixed on broken case by set cooperation, the first crushing toothed roller and the second crushing toothed roller The arc-shaped mounting hole of round fixing sleeve from broken case upper surface is put into, and the diameter at the arc-shaped installation edge of round fixing sleeve is big In the diameter of the broken arc-shaped mounting hole of case, crushing toothed roller is stuck in the upper end of the arc-shaped mounting hole on broken case top cover.
Preferably, the crushing toothed roller further includes circular cover, and circular cover is fixed on the upper end of round fixing sleeve, to protect The driving device being arranged in round fixing sleeve is protected, while dust impurity being avoided to fall into driving device, influences to drive, in circle Threaded hole is offered on cover board, it is by bolt that crushing toothed roller and broken case is relatively fixed, so that the first crushing toothed roller and second Crushing toothed roller is fixed in broken case, is provided with shield on the outside of the first crushing toothed roller and the second crushing toothed roller, and the two of shield End is bolted on the side wall of broken case, and with closed disintegrating case side, protection staff is safe, while in the first crushing teeth The outer upper end of roller and the second crushing toothed roller is respectively arranged with briquetting, and one end of briquetting is semicircular arc, with crushing toothed roller Round fixing sleeve side wall cooperation is fixed, and the other end of briquetting is the upper end cooperation fixation of plate and shield, is provided on briquetting Briquetting is tightened on broken case by threaded hole by bolt, and the arc-shaped peace of the round fixing sleeve of crushing toothed roller is arranged in briquetting First crushing toothed roller and the second crushing toothed roller are fixed tightly from the outside of broken case, are avoided along between shield by rim In material shattering process, crushing toothed roller is avoided to teetertotter.
Preferably, the driving device of the crushing toothed roller includes hydraulic motor and deceleration mechanism, and hydraulic motor is arranged in circle In the cavity of shape fixing sleeve, the connecting flange of hydraulic motor is bolted on round fixing sleeve, and the setting of deceleration mechanism exists The lower section of hydraulic motor, deceleration mechanism are connect with hydraulic motor transmission, and deceleration mechanism is sequentially connected with broken portion again, to pass through liquid Pressure motor provides driving force to deceleration mechanism, and then broken portion's rotation is driven after adjusting driving force by deceleration mechanism, passes through Crushing teeth in broken portion is crushed material.
Preferably, the deceleration mechanism includes planetary gear speed reducing mechanism, and planetary gear speed reducing mechanism includes planet carrier, sun gear, row The upper end of star-wheel and gear ring, planet carrier is fixedly connected by bolt with the bottom end of round fixing sleeve, to rise to sun gear, planetary gear To positioning action, sun gear is connect by transmission shaft with hydraulic motor transmission, planetary gear and sun gear engaged transmission, and the one of gear ring End is fixedly connected with planetary gear engaged transmission, the other end of gear ring with broken portion, drives sun rotation by hydraulic motor to realize Dynamic, sun gear drives planetary gear rotation, and planetary gear drives ring gear against rotation, and then drives broken portion's rotation, Jin Ertong by gear ring The crushing teeth crossed on two neighboring crushing toothed roller is mutually twisted extruding, shearing carrys out broken material.
Preferably, the crushing teeth is helically skewed is arranged on the lateral wall that round roll body covers, to carry out to material It is broken.
The utility model by adopting the above technical scheme, the beneficial effect is that: the utility model design crusher pass through Vertical double-roll type structure is crushed coal cinder, by being vertically arranged the first crushing toothed roller and the second crushing teeth in broken case Roller, in process of coal mining, material is transported to the first breaker roll in broken case by the scraper chain of elevating conveyor by breaking tank And second between breaker roll, the crushing teeth of the first breaker roll and the second breaker roll is mutually twisted extruding, material is crushed by shearing, Particle size after cracking is uniform, and it is excessively broken not will cause material, can effective protection lump coal rate, further pass through the scraper chain of elevating conveyor again Broken material is transferred out.
First breaker roll and the second breaker roll are driven in such a way that hydraulic motor is in conjunction with planetary gear speed reducing mechanism, knot Structure is compact, and outer dimension is small, low to the requirement of haulage drift height-width, simultaneously because low energy consumption for intermeshing transmission, is easy to obtain Biggish torque is obtained, crushing efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the vertical double-roll crusher of underground mine use of a better embodiment.
Fig. 2 is the disassembly diagram of the vertical double-roll crusher of underground mine use in Fig. 1.
Fig. 3 is the structural schematic diagram of the first breaker roll.
Fig. 4 is the cross-sectional view of the first breaker roll.
In figure: the vertical double-roll crusher 10 of underground mine use, broken case 20, arc-shaped mounting hole 21, shield 22, briquetting 23, the first breaker roll 30, round fixing sleeve 31, arc-shaped installation edge 311, broken portion 32, round roll body cover 321, crushing teeth 322, hydraulic motor 33, planetary gear speed reducing mechanism 34, planet carrier 341, sun gear 342, planetary gear 343, gear ring 344, circular cover 35, the second breaker roll 40, breaking tank 50.
Specific embodiment
Fig. 1 to Fig. 4 is please referred to, the utility model embodiment provides a kind of vertical double-roll crusher 10 of underground mine use, Including broken case 20, the first crushing toothed roller 30, the second crushing toothed roller 40 and breaking tank 50, being crushed case 20 is the hollow knot of cube shape Structure, the first crushing toothed roller 30 is identical with 40 structure of the second crushing toothed roller and the vertically symmetrical left and right sides that broken case 20 is arranged in, To be crushed to material, breaking tank 50 is connected to the bottom of broken case 20, for elevating conveyor scraper chain pass through will be crushed after Material transfer out, material is delivered in broken case 20 by paddled conveyor chain, broken by the first crushing toothed roller 30 and second Material is crushed by the engaged extruding of the crushing teeth 322 of discaling roll 40, is then conveyed broken material by paddled conveyor chain Out.
Further, first crushing toothed roller 30 includes that round fixed part, broken portion 32 and driving device, circle are fixed Portion is fixed on the upper end in broken portion 32, and round fixed part and broken portion 32 form internal cavities, to install driving device, in turn Drive the broken rotation of portion 32 come broken material by driving device;Round fixed part includes round fixing sleeve 31, is crushed portion 32 and wraps Round roll body set 321 and crushing teeth 322 are included, round fixing sleeve 31 is connect by driving device with round roll body set 321, so that circle Shape roll body set 321 is rotated around round fixing sleeve 31, also in the inside of the inside of round fixing sleeve 31 setting installation driving device Cavity, crushing teeth 322 is fixed on the lateral wall of round roll body set 321, to be crushed to material;In round fixing sleeve 31 Upper end is provided with arc-shaped installation edge 311, and to install fixed crushing toothed roller, the corresponding top cover both ends in broken case 20 are symmetrical There are two arc-shaped mounting holes 21 for setting, to cooperate with the round fixing sleeve 31 of crushing toothed roller by the first crushing toothed roller 30 and second Crushing toothed roller 40 is fixed on broken case 20, and the round fixing sleeve 31 of the first crushing toothed roller 30 and the second crushing toothed roller 40 is certainly broken The arc-shaped mounting hole 21 of 20 upper surface of case is put into, and the diameter at the arc-shaped installation edge 311 of round fixing sleeve 31 is greater than broken The diameter of the arc-shaped mounting hole 21 of case 20, is stuck in the upper of the arc-shaped mounting hole 21 on broken 20 top cover of case for crushing toothed roller End.
Further, the crushing toothed roller further includes circular cover 35, and circular cover 35 is fixed on round fixing sleeve 31 Upper end with driving device of the protection setting in round fixing sleeve 31, while avoiding dust impurity from falling into driving device, influences Driving, offers threaded hole in circular cover 35, by bolt that crushing toothed roller and broken case 20 is relatively fixed, so that first Crushing toothed roller 30 and the second crushing toothed roller 40 are fixed in broken case 20, in the first crushing toothed roller 30 and the second crushing toothed roller 40 Outside is provided with shield 22, and the both ends of shield 22 are bolted on the side wall of broken case 20, with 20 side of closed disintegrating case Face, protection staff safety, while briquetting is respectively arranged in the outer upper end of the first crushing toothed roller 30 and the second crushing toothed roller 40 23, one end of briquetting 23 is semicircular arc, is fixed with cooperating with 31 side wall of round fixing sleeve of crushing toothed roller, briquetting 23 it is another End is the upper end cooperation fixation of plate and shield 22, is provided with threaded hole on briquetting 23, is tightened in briquetting 23 by bolt On broken case 20, briquetting 23 be arranged in the round fixing sleeve 31 of crushing toothed roller arc-shaped installation edge 311 and shield 22 it Between, the first crushing toothed roller 30 and the second crushing toothed roller 40 is fixed tight from the outside of broken case 20, it avoids being crushed in material Cheng Zhong avoids crushing toothed roller from teetertottering.
Further, the driving device of the crushing toothed roller includes hydraulic motor 33 and deceleration mechanism, and hydraulic motor 33 is set It sets in the cavity of round fixing sleeve 31, the connecting flange of hydraulic motor 33 is bolted on round fixing sleeve 31, is subtracted Fast mechanism is arranged in the lower section of hydraulic motor 33, and deceleration mechanism and hydraulic motor 33 are sequentially connected, deceleration mechanism again with broken portion 32 transmission connections to provide driving force by 33 pairs of deceleration mechanisms of hydraulic motor, and then are adjusted driving force by deceleration mechanism It drives broken portion 32 to rotate afterwards, material is crushed by the crushing teeth 322 being crushed in portion 32.
Referring also to Fig. 4, further, the deceleration mechanism include planetary gear speed reducing mechanism 34, and planetary gear speed reducing mechanism 34 wraps Planet carrier 341, sun gear 342, planetary gear 343 and gear ring 344 are included, the upper end of planet carrier 341 passes through bolt and round fixing sleeve 31 bottom end is fixedly connected, and to play positioning action to sun gear 342, planetary gear 343, sun gear 342 passes through transmission shaft and liquid Pressure motor 33 is sequentially connected, and 342 engaged transmission of planetary gear 343 and sun gear, biography is engaged with planetary gear 343 in one end of gear ring 344 Dynamic, the other end of gear ring 344 is fixedly connected with broken portion 32, drives the rotation of sun gear 342, the sun by hydraulic motor 33 to realize Wheel 342 drives planetary gear 343 to rotate, and planetary gear 343 drives gear ring 344 to rotate, and then drives broken 32 turns of portion by gear ring 344 It is dynamic, and then extruding, shearing are mutually twisted come broken material by the crushing teeth 322 on two neighboring crushing toothed roller.
Further, the crushing teeth 322 is helically on the skewed lateral wall that round roll body set 321 is arranged in, with right Material is crushed;It is compared to the mode of 322 proper alignment of crushing teeth, the helically skewed setting of crushing teeth 322, adjacent two It when the crushing teeth 322 of a breaker roll collides occlusion, can increase staggering when crushing teeth 322 contacts, reduce single crushing teeth 322 with material contact when contact area be more advantageous to and bulk materials be crushed to increase pressure, to increase material Crushing effect, while guaranteeing lump coal rate.
The present apparatus when in use, starts crusher, and material is transported to broken case 20 by the scraper chain of elevating conveyor by coal cinder In between the first breaker roll 30 and the second breaker roll 40, the crushing teeth 322 of the first breaker roll 30 and the second breaker roll 40 is mutually stung Conjunction squeezes, material is crushed by shearing, is further again transferred out broken material by the scraper chain of elevating conveyor, successively Completion coal mining work.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still falls within the scope of the utility model.

Claims (6)

1. a kind of vertical double-roll crusher of underground mine use, it is characterised in that: broken including broken case, the first crushing toothed roller, second Broken discaling roll and breaking tank, being crushed case is cube shape hollow structure, and the first crushing toothed roller and the second crushing toothed roller structure are identical and perpendicular It is directly symmetricly set on the left and right sides of broken case, to be crushed to material, breaking tank is connected to the bottom of broken case, for turning The scraper chain of carrier aircraft passes through and transfers out broken material, and material is delivered in broken case by paddled conveyor chain, by the Material is crushed by the engaged extruding of the crushing teeth of one crushing toothed roller and the second crushing toothed roller, then will be broken by paddled conveyor chain Material after broken transfers out.
2. the vertical double-roll crusher of underground mine use as described in claim 1, it is characterised in that: the first crushing toothed roller packet Include round fixed part, broken portion and driving device, round fixed part is fixed on the upper end in broken portion, and round fixed part and broken Portion forms internal cavities, to install driving device, and then drives broken portion's rotation come broken material by driving device;Circle is solid Determining portion includes round fixing sleeve, is crushed portion including round roll body set and crushing teeth, round fixing sleeve and passes through driving device and circle Roll body set connection also drives in the setting installation of the inside of round fixing sleeve so that round roll body set surrounds round fixing sleeve rotation The internal cavities of device, crushing teeth is fixed on the lateral wall of round roll body set, to be crushed to material;In round fixing sleeve Upper end be provided with arc-shaped installation edge, to install fixed crushing toothed roller, the corresponding top cover both ends in broken case are symmetrically set It sets there are two arc-shaped mounting hole, to cooperate with the round fixing sleeve of crushing toothed roller by the first crushing toothed roller and the second crushing toothed roller It is fixed on broken case, the arc-shaped peace of the certainly broken case upper surface of the round fixing sleeve of the first crushing toothed roller and the second crushing toothed roller Dress hole is put into, and the diameter at the arc-shaped placement edge of round fixing sleeve is greater than the diameter of the broken arc-shaped mounting hole of case, will be broken Broken discaling roll is stuck in the upper end of the arc-shaped mounting hole on broken case top cover.
3. the vertical double-roll crusher of underground mine use as claimed in claim 2, it is characterised in that: the crushing toothed roller further includes Circular cover, circular cover are fixed on the upper end of round fixing sleeve, with driving device of the protection setting in round fixing sleeve, together When avoid dust impurity from falling into driving device, influence to drive, threaded hole offered in circular cover, will be crushed by bolt Discaling roll and broken case are relatively fixed, so that the first crushing toothed roller and the second crushing toothed roller are fixed in broken case, it is broken first Shield is provided on the outside of discaling roll and the second crushing toothed roller, the both ends of shield are bolted on the side wall of broken case, with Closed disintegrating case side, protection staff safety, while being set respectively in the outer upper end of the first crushing toothed roller and the second crushing toothed roller Be equipped with briquetting, one end of briquetting is semicircular arc, fixed with cooperating with the round fixing sleeve side wall of crushing toothed roller, briquetting it is another End is the upper end cooperation fixation of plate and shield, and threaded hole is provided on briquetting, briquetting is tightened in broken case by bolt On, briquetting is arranged between the arc-shaped placement edge of the round fixing sleeve of crushing toothed roller and shield, by the first crushing teeth Roller and the second crushing toothed roller are fixed tight from the outside of broken case, avoid in material shattering process, crushing toothed roller is avoided to shake up and down It is dynamic.
4. the vertical double-roll crusher of underground mine use as claimed in claim 3, it is characterised in that: the driving of the crushing toothed roller Device includes hydraulic motor and deceleration mechanism, and hydraulic motor is arranged in the cavity of round fixing sleeve, the connection method of hydraulic motor Orchid is bolted on round fixing sleeve, and the lower section of hydraulic motor, deceleration mechanism and hydraulic motor is arranged in deceleration mechanism Transmission connection, deceleration mechanism are sequentially connected with broken portion again, to provide driving force, Jin Ertong to deceleration mechanism by hydraulic motor It crosses after deceleration mechanism adjusts driving force and drives broken portion's rotation, material is crushed by the crushing teeth being crushed in portion.
5. the vertical double-roll crusher of underground mine use as claimed in claim 4, it is characterised in that: the deceleration mechanism includes row Star deceleration mechanism, planetary gear speed reducing mechanism include planet carrier, sun gear, planetary gear and gear ring, the upper end of planet carrier by bolt with The bottom end of round fixing sleeve is fixedly connected, to play positioning action to sun gear, planetary gear, sun gear by transmission shaft with it is hydraulic Motor driven connection, planetary gear and sun gear engaged transmission, one end of gear ring and planetary gear engaged transmission, the other end of gear ring with Broken portion is fixedly connected, and drives sun gear rotation, sun gear to drive planetary gear rotation by hydraulic motor to realize, planetary gear drives Ring gear against rotation, and then broken portion's rotation is driven by gear ring, and then mutually sting by the crushing teeth on two neighboring crushing toothed roller It closes and squeezes, shears and carry out broken material.
6. the vertical double-roll crusher of underground mine use as claimed in claim 5, it is characterised in that: the crushing teeth helically inclines On the ramp-like lateral wall that round roll body set is arranged in, to be crushed to material.
CN201820128728.6U 2018-01-25 2018-01-25 The vertical double-roll crusher of underground mine use Expired - Fee Related CN208260857U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820128728.6U CN208260857U (en) 2018-01-25 2018-01-25 The vertical double-roll crusher of underground mine use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820128728.6U CN208260857U (en) 2018-01-25 2018-01-25 The vertical double-roll crusher of underground mine use

Publications (1)

Publication Number Publication Date
CN208260857U true CN208260857U (en) 2018-12-21

Family

ID=64673956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820128728.6U Expired - Fee Related CN208260857U (en) 2018-01-25 2018-01-25 The vertical double-roll crusher of underground mine use

Country Status (1)

Country Link
CN (1) CN208260857U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108160195A (en) * 2018-01-25 2018-06-15 宁夏天地奔牛实业集团有限公司 The vertical double-roll crusher of underground mine use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108160195A (en) * 2018-01-25 2018-06-15 宁夏天地奔牛实业集团有限公司 The vertical double-roll crusher of underground mine use
CN108160195B (en) * 2018-01-25 2024-01-26 宁夏天地奔牛实业集团有限公司 Vertical double-roller crusher for underground coal mine

Similar Documents

Publication Publication Date Title
CN108160195A (en) The vertical double-roll crusher of underground mine use
CN103586106B (en) Carry the large-scale double-geared roller crusher of high-efficiency sieve fraction of feeding-distribution device
CN105149073A (en) Feeding crushing device
CN105363520B (en) A kind of hydraulic roll breaker
CN208260857U (en) The vertical double-roll crusher of underground mine use
CN105772384A (en) Screening spreader
CN108187812A (en) Built-in hydraulic motor drives crushing toothed roller
CN205288605U (en) Coal slime breaker
CN219187065U (en) Quartz sand raw ore efficient crushing device
CN105151757A (en) System for increasing rate of downhole lump coal output
CN108672008A (en) Toothed roll crusher with broken auxiliary device
CN104129599A (en) Non-breaking corn hoister
CN207872271U (en) A kind of grinding device of Talc Ore ore dressing
CN201823586U (en) Material scattering machine
CN211914084U (en) Quartz sand dry-process produced particle shaping machine for fracturing propping agent
CN207786790U (en) A kind of apron feeder
CN207126596U (en) A kind of caking property material crushing device with barrier structure
CN217866618U (en) Discharge device of jaw crusher
CN213434772U (en) Reducing mechanism is used in mine mining
CN207126625U (en) A kind of breaker of caking property material
CN205550399U (en) Two motor drive's jaw breaker
CN215694316U (en) Efficient stone crushing device for mining engineering
CN217796286U (en) Breaker is used in mine mining
CN207805739U (en) A kind of vertical garbage cataclasitlc structure
CN103691534A (en) Intelligent multi-unit breaking machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181221

Termination date: 20220125