CN208275538U - Gradually break formula underground mine use wheeled type crusher - Google Patents

Abstract

It is a kind of gradually to break formula underground mine use wheeled type crusher, it includes broken shaft, crushing cutter toothholder, broken cutter tooth that the crusher, which includes breaking tank, input slot, entrance frame, export frame, the broken shaft group, each crushing cutter toothholder includes left cutter tooth seat, right cutter tooth seat, each crushing cutter toothholder is made of symmetrically arranged left cutter tooth seat, right cutter tooth seat, multiple crushing cutter toothholders are evenly arranged along 360 ° of radial direction of broken shaft, ensure that the dynamic balancing in broken shaft group operation process；It is crushed cutter tooth in broken shaft group and changes traditional " ten " word and " one " word arrangement form, using gradual change screw arrangement mode, shattering process is set broken to be become gradual change from being spaced and be crushed, improve the stress of broken shaft group, it can effectively reduce broken shaft group multitool tooth stress simultaneously, so that the problem that recoil strength suffered by broken shaft is big, vibration is big, while also solving the problems, such as that bulk materials cross crushing in shattering process, crusher installed power and easy blocking accident risk are reduced, crushing efficiency is improved.

Description

Gradually break formula underground mine use wheeled type crusher

Technical field

The utility model relates to underground mine use wheeled type crusher technical fields, in particular to a kind of gradually to break formula underground coal mine Use wheeled type crusher.

Background technique

Crusher for smoothening chute in coalmine pit is the important equipment of underground coal mine coal crushing, and broken shaft group is its critical component One of, broken shaft group is driven the crushing function for realizing coarse coal by motor and retarder, when normal work, in broken shaft group Cutter tooth is collided with the impact velocity of high speed and coal cinder, achievees the purpose that coal crusher.

Currently, the broken shaft group cutter tooth of domestic crusher for smoothening chute in coalmine pit is " one " word and two kinds of " ten " word arrangements Mode, multiple cutters tooth stress simultaneously, stress is broken simultaneously for the coarse coal in section.The broken shaft group of both cutter tooth arrangement forms When impacting to coal cinder, because multiple cutters tooth impact simultaneously, causing coarse coal to cross, recoil strength suffered by crushing and broken shaft is excessive etc. to be asked The problems such as topic, causes crusher total installed capacity excessive, easily blocks, seriously affects the production efficiency of working face in the pit, gives coal mining enterprise Bring lost revenue.

Summary of the invention

In view of this, in view of the above deficiencies, it is necessary to propose a kind of can change suffered by cutter tooth stress, reduction broken shaft Recoil strength, total installed capacity power is low, be not easy to plug gradually break formula underground mine use wheeled type crusher.

A kind of gradually to break formula underground mine use wheeled type crusher, which includes breaking tank, input slot, entrance frame, outlet Frame, broken shaft group, power part；The input slot being sequentially connected, entrance frame, export frame, institute are installed above the breaking tank The input port of breaking tank is stated for connecting with the landing section intermediate channel of elevating conveyor, so that described in the coal cinder entrance that elevating conveyor ships Breaking tank, the both ends of the broken shaft group may be rotatably mounted on the two sides side wall between entrance frame and export frame, will enter It is exported after breaking tank is broken from the delivery outlet of breaking tank；The output end and broken shaft group of the power part are rotatablely connected, with driving Broken shaft group is rotatable around its axis；The broken shaft group includes broken shaft, broken along several of broken shaft axial direction installation Broken unit, each fragmentation cell include crushing cutter toothholder, broken cutter tooth, and crushing cutter toothholder includes left cutter tooth seat, right cutter tooth seat, institute State left cutter tooth seat, right cutter tooth seat is arranged symmetrically centered on broken shaft in the radial of broken shaft, in left cutter tooth seat, right cutter tooth seat End is equipped with broken cutter tooth, and multiple crushing cutter toothholders are axially arranged successively along broken shaft, and multiple crushing cutter toothholders are with broken Axis be axis successively rotate clockwise certain angle, in the radial direction of the broken shaft around broken shaft ring wall at gradual change spiral cloth Set, two neighboring crushing cutter toothholder the broken shaft radial direction differ an identical angle, two of broken shaft both ends Crushing cutter toothholder differs 180 ° in the radial direction of the broken shaft.

Preferably, institute's crushing cutter toothholder is 5, and two neighboring crushing cutter toothholder differs 36 ° in the radial direction of broken shaft.

Preferably, 5 crushing cutter toothholders are equipped with keyway, and 5 keyways are kept on the same line along broken shaft axis, and 5 Crushing cutter toothholder is coupled by a flat key with broken axis axis.

Preferably, the broken cutter tooth includes the first cutter tooth, the second cutter tooth, and first cutter tooth, the second cutter tooth are with broken Cutter tooth seat center line is arranged symmetrically.

Preferably, the first knife installed on the first cutter tooth, the second cutter tooth and the right cutter tooth seat installed on the left cutter tooth seat Tooth, the second cutter tooth are arranged symmetrically centered on broken shaft in the radial of broken shaft.

Preferably, first cutter tooth, the second cutter tooth are coupled with crushing cutter toothholder by subassembly of lock bolt.

Preferably, the subassembly of lock bolt includes cutter tooth bolt, fastening bolt, check washer, the cutter tooth bolt with Fastening nut is blocked with check washer.

Preferably, the broken shaft group further includes bearing block, bearing, transparent cover, and the both ends of the broken shaft are equipped with bearing Seat, is fixedly installed with transparent cover in the outer end face of bearing block, is built-in with bearing in bearing block, the bearing is tapered roller bearing.

Preferably, the power part includes motor, fluid coupling, retarder, half a coupler, and the motor passes through fluid power Coupler and the retarder are sequentially connected, and the retarder is sequentially connected by the half a coupler and the broken shaft group.

Preferably, first cutter tooth or the second cutter tooth are in boss-shaped, first cutter tooth or the second cutter tooth top end face For smooth arc surface, the outer tangential direction setting of broken shaft cross circular section is directed toward on the top of first cutter tooth or the second cutter tooth.

Each crushing cutter toothholder is made of symmetrically arranged left cutter tooth seat, right cutter tooth seat, and multiple crushing cutter toothholders are along broken 360 ° of radial direction of broken axis are evenly arranged, and ensure that the dynamic balancing in broken shaft group operation process；Crushing cutter in broken shaft group Tooth changes traditional " ten " word and " one " word arrangement form, using gradual change screw arrangement mode, keeps shattering process broken by being spaced It is broken to become gradual change, improves the stress of broken shaft group, can effectively reduce broken shaft group multitool tooth stress simultaneously, caused by break The problem that recoil strength suffered by broken axis is big, vibration is big, while also solving the problems, such as that bulk materials cross crushing in shattering process, it reduces Crusher installed power and easy blocking accident risk improve crushing efficiency.

Detailed description of the invention

Fig. 1 is the main view for gradually breaking formula underground mine use wheeled type crusher.

Fig. 2 is the partial cutaway view for gradually breaking formula underground mine use wheeled type crusher top view.

Fig. 3 is the right view for gradually breaking formula underground mine use wheeled type crusher.

Fig. 4 is the axonometric drawing of the broken shaft group.

Fig. 5 is the partial cutaway view of the broken shaft group main view.

Fig. 6 is the right view of the broken shaft group.

In figure: breaking tank 10, input slot 20, entrance frame 30, export frame 40, broken shaft group 50, broken shaft 51, broken cutter tooth Seat 52, left cutter tooth seat 521, right cutter tooth seat 522, broken cutter tooth 53, the first cutter tooth 531, the second cutter tooth 532, flat key 54, locking spiral shell Bolt assembly 55, bearing block 56, bearing 57, transparent cover 58, power part 60, motor 61, fluid coupling 62, retarder 63, half shaft coupling Device 64.

Specific embodiment

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others Attached drawing.

Referring to Fig. 1 to Fig. 6, the utility model embodiment provides a kind of gradually broken formula underground mine use wheeled type crusher, this Crusher be it is matching used with stage loader, the raw coal being broken is after being transported to broken crusher machine by elevating conveyor, then through turning Carrier aircraft is transported；The crusher includes breaking tank 10, input slot 20, entrance frame 30, export frame 40, broken shaft group 50, power part 60； The input slot 20, entrance frame 30, export frame 40 being sequentially connected are installed in the top of breaking tank 10, the input port of breaking tank 10 is used It is connect in the landing section intermediate channel with elevating conveyor, so that the coal cinder that elevating conveyor ships enters breaking tank 10, broken shaft group 50 Both ends may be rotatably mounted on the two sides side wall between entrance frame 30 and export frame 40, will enter after breaking tank 10 is crushed from broken The delivery outlet of broken slot 10 exports；The output end and broken shaft group 50 of power part 60 are rotatablely connected, to drive broken shaft group 50 around it Axis rotation；Several fragmentation cells that broken shaft group 50 includes broken shaft 51, installs along broken shaft axis 51 to direction, each Fragmentation cell includes crushing cutter toothholder 52, broken cutter tooth 53, and crushing cutter toothholder 52 includes left cutter tooth seat 521, right cutter tooth seat 522, Left cutter tooth seat 521, right cutter tooth seat 522 are arranged symmetrically centered on broken shaft 51 in the radial of broken shaft 51, in left cutter tooth seat 521, the end of right cutter tooth seat 522 is equipped with broken cutter tooth 53, and multiple crushing cutter toothholders 52 are axially arranged successively along broken shaft 51, And multiple crushing cutter toothholders 52 are that axis successively rotates clockwise certain angle with broken shaft 51, in the radial direction of the broken shaft 51 Direction is around 51 ring wall of broken shaft at gradual change screw arrangement, radial direction phase of the two neighboring crushing cutter toothholder 52 in the broken shaft 51 Two crushing cutter toothholders 52 of a poor identical angle, 51 both ends of broken shaft are differed in the radial direction of the broken shaft 51 180°。

Broken shaft group 50 is the main component of broken material, it is using the higher rotary inertia of the component in rated speed The impact force that the kinetic energy of storage is formed by the cutter tooth being mounted in the crusher shaft time of contact of short duration with the species that are broken It hits and splits coal cinder, then by the speed difference between cutter tooth seat and scraper chain, crusher, further the coal space that is broken is rolled and rubbed with the hands It draws, and reaches the mesh of broken coal about.

Each crushing cutter toothholder 52 is made of symmetrically arranged left cutter tooth seat 521, right cutter tooth seat 522, multiple crushing cutters Toothholder 52 is evenly arranged along 360 ° of radial direction of broken shaft 51, ensure that the dynamic balancing in 50 operation process of broken shaft group；It keeps away Exempt from the service life that broken shaft 51 is sharp shortened in the judder generated therefrom, is crushed cutter tooth 53 in broken shaft group 50 and changes Traditional " ten " word and " one " word arrangement form makes shattering process from being spaced broken become gradually using gradual change screw arrangement mode Become broken, improve the stress of broken shaft group 50, can effectively reduce 50 multitool tooth of broken shaft group stress simultaneously, caused by be crushed The problem that recoil strength suffered by axis 51 is big, vibration is big, while also solving the problems, such as that bulk materials cross crushing in shattering process, it reduces Crusher installed power and easy blocking accident risk improve crushing efficiency.

Referring to fig. 4 to Fig. 6, further, institute's crushing cutter toothholder 52 is 5, and two neighboring crushing cutter toothholder 52 is in broken shaft 51 radial direction differs 36 °.

Referring to fig. 4, further, 5 crushing cutter toothholders 52 are equipped with keyway, and 5 keyways are maintained at same along 51 axis of broken shaft On one straight line, 5 crushing cutter toothholders 52 are coupled by a flat key 54 with broken axis axis.

It is further crushed cutter tooth 53 with Fig. 5 referring to fig. 4 and includes the first cutter tooth 531, the second cutter tooth 532, the first cutter tooth 531, the second cutter tooth 532 is arranged symmetrically with 52 center line of crushing cutter toothholder.

Referring to fig. 4 and Fig. 5, further, the first cutter tooth 531, the second cutter tooth 532 and the right knife installed on left cutter tooth seat 521 The first cutter tooth 531 for being installed on toothholder 522, the second cutter tooth 532 broken shaft 51 radial cloth symmetrical centered on broken shaft 51 It sets.

Referring to fig. 4 and Fig. 5, further, the first cutter tooth 531, the second cutter tooth 532 pass through check bolt with crushing cutter toothholder 52 Component 55 couples.

Further, subassembly of lock bolt 55 includes cutter tooth bolt, fastening bolt, check washer, cutter tooth bolt and fastening spiral shell Mother is blocked with check washer.

As a specific embodiment, increase the frictional force between cutter tooth bolt, fastening bolt, energy using check washer It is enough effectively to prevent thread looseness.

Referring to fig. 4 to Fig. 6, further, broken shaft group 50 further includes bearing block 56, bearing 57, transparent cover 58, broken shaft 51 Both ends are equipped with bearing block 56, are fixedly installed with transparent cover 58 in the outer end face of bearing block 56, are built-in with bearing 57 in bearing block 56, Bearing 57 is tapered roller bearing；It can bear the synergy of axially and radially both direction simultaneously using tapered roller bearing Power.

Referring to Fig. 1, further, power part 60 includes motor 61, fluid coupling 62, retarder 63, half a coupler 64, electricity Machine 61 is sequentially connected by fluid coupling 62 and retarder 63, and retarder 63 is driven by half a coupler 64 and broken shaft group 50 Connection；The impact vibration of power part 60 can be slowed down using fluid coupling 62.

Referring to fig. 4, further, the first cutter tooth 531 or the second cutter tooth 532 are in boss-shaped, the first cutter tooth 531 or the second cutter tooth 532 tops end face are smooth arc surface, and the top of the first cutter tooth 531 or the second cutter tooth 532 is directed toward outside 51 cross circular section of broken shaft Tangential direction setting.

In the present embodiment, the first cutter tooth 531 or the second cutter tooth 532 can be with tangential vertical direction toward impacts when touching coal cinder Coal cinder reduces power consumption when broken coal cinder, and the first cutter tooth 531 or 532 Impact direction of the second cutter tooth are along the first cutter tooth 531 Or second cutter tooth 532 short transverse, stress concentrate, reduce the spoilage of the first cutter tooth 531 or the second cutter tooth 532.

Further, power part 60 is driven using belt, increases the stationarity and impact resistance of equipment；Broken shaft group 50 Bearing 57 uses manual grease station centralized lubrication, extends oil filling cycle, reduces oiling workload, and lubricates reliable, elimination Some insecurity factors.

Further, particle size after cracking adjustment structure use handlance, jack, cushion block structure, can not remove crusher and Operation is adjusted in the case where without using external lifting equipment, it is easy to operate, safe and reliable, time saving, laborsaving.

When crusher works, for cutter tooth during the broken coal frequently hammered, broken shaft 51 rotates the quick stream for causing air It is dynamic, a large amount of coal dusts will be generated, it not only reduces the visibility of workplace, influences to work normally, and to safety and the person Also have an adverse effect.Therefore timely dedusting, depositing dust are needed, reduces the dustiness in air to greatest extent；The configuration spray of this crusher Mist dust prevention system, and dustproof shade is set up at entrance and exit, the particulate coal of the sputtering generated in shattering process and Coal dust is enclosed in broken essence, prevents it from flying out and jeopardize personal safety and health.

Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deleted Subtract.

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 (10)

1. a kind of gradually break formula underground mine use wheeled type crusher, it is characterised in that: the crusher includes breaking tank, input slot, enters Mouth frame, export frame, broken shaft group, power part；Be equipped with above the breaking tank input slot being sequentially connected, entrance frame, Export frame, the input port of the breaking tank with the landing section intermediate channel of elevating conveyor for connecting, so that the coal that elevating conveyor ships Block enters the breaking tank, and the both ends of the broken shaft group may be rotatably mounted at the two sides side wall between entrance frame and export frame On, it will enter after breaking tank is crushed and be exported from the delivery outlet of breaking tank；The output end and broken shaft group of the power part rotate Connection, to drive broken shaft group rotatable around its axis；The broken shaft group includes broken shaft, along the installation of broken shaft axial direction Several fragmentation cells, each fragmentation cell includes crushing cutter toothholder, broken cutter tooth, crushing cutter toothholder include left cutter tooth seat, Right cutter tooth seat, the left cutter tooth seat, right cutter tooth seat are arranged symmetrically centered on broken shaft in the radial of broken shaft, in left cutter tooth Seat, right cutter tooth seat end broken cutter tooth is installed, multiple crushing cutter toothholders are axially arranged successively along broken shaft, and multiple broken Cutter tooth seat successively rotates clockwise certain angle by axis of broken shaft, in the radial direction of the broken shaft around broken shaft ring wall At gradual change screw arrangement, two neighboring crushing cutter toothholder differs an identical angle in the radial direction of the broken shaft, is crushed Two crushing cutter toothholders at axis both ends differ 180 ° in the radial direction of the broken shaft.

2. gradually breaking formula underground mine use wheeled type crusher as described in claim 1, it is characterised in that: institute's crushing cutter toothholder is 5 A, two neighboring crushing cutter toothholder differs 36 ° in the radial direction of broken shaft.

3. gradually breaking formula underground mine use wheeled type crusher as claimed in claim 2, it is characterised in that: 5 crushing cutter toothholders are set There is keyway, 5 keyways are kept on the same line along broken shaft axis, and 5 crushing cutter toothholders pass through a flat key and broken axis axis Connection.

4. gradually breaking formula underground mine use wheeled type crusher as described in claim 1, it is characterised in that: the broken cutter tooth includes First cutter tooth, the second cutter tooth, first cutter tooth, the second cutter tooth are arranged symmetrically with crushing cutter toothholder center line.

5. gradually breaking formula underground mine use wheeled type crusher as claimed in claim 4, it is characterised in that: pacify on the left cutter tooth seat The first cutter tooth for installing on first cutter tooth of dress, the second cutter tooth and right cutter tooth seat, the second cutter tooth are in the radial with broken of broken shaft It is arranged symmetrically centered on axis.

6. gradually breaking formula underground mine use wheeled type crusher as claimed in claim 4, it is characterised in that: first cutter tooth, the Two cutters tooth are coupled with crushing cutter toothholder by subassembly of lock bolt.

7. gradually breaking formula underground mine use wheeled type crusher as claimed in claim 6, it is characterised in that: the subassembly of lock bolt Including cutter tooth bolt, fastening bolt, check washer, the cutter tooth bolt and fastening nut are blocked with check washer.

8. gradually breaking formula underground mine use wheeled type crusher as described in claim 1, it is characterised in that: the broken shaft group is also wrapped Bearing block, bearing, transparent cover are included, the both ends of the broken shaft are equipped with bearing block, are fixedly installed in the outer end face of bearing block Lid is built-in with bearing in bearing block, and the bearing is tapered roller bearing.

9. gradually breaking formula underground mine use wheeled type crusher as described in claim 1, it is characterised in that: the power part includes electricity Machine, fluid coupling, retarder, half a coupler, the motor is sequentially connected by fluid coupling and the retarder, described Retarder is sequentially connected by the half a coupler and the broken shaft group.

10. as claimed in claim 4 gradually break formula underground mine use wheeled type crusher, it is characterised in that: first cutter tooth or Second cutter tooth is in boss-shaped, and first cutter tooth or the second cutter tooth top end face are smooth arc surface, first cutter tooth or the It is directed toward the outer tangential direction setting of broken shaft cross circular section in the top of two cutters tooth.