CN111558429A

CN111558429A - Mine stone crushing equipment

Info

Publication number: CN111558429A
Application number: CN202010468608.2A
Authority: CN
Inventors: 康志平
Original assignee: 康志平
Current assignee: Yantai Rick Construction Machinery Co., Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-08-21
Anticipated expiration: 2040-05-28
Also published as: CN111558429B

Abstract

The invention discloses a mine stone crushing device which structurally comprises a feeding hole, a crushing mechanism, an iron remover, a rotating shaft, a sieve plate, a discharging hole, a sieve plate frame and a crusher body, wherein the feeding hole is formed in the top of the crusher body, the discharging hole is formed in the bottom of the crusher body, and the sieve plate frame is fixed in the crusher body, and compared with the prior art, the mine stone crushing device has the beneficial effects that: according to the invention, through the combined arrangement of the crushing hammer head, the bolt, the limiting ring, the limiting fastening rod, the fastening nut and the rotary table, the bolt, the fastening nut and the crushing hammer head can be limited and clamped, so that the bolt, the fastening nut and the crushing hammer head can be effectively prevented from loosening, the vibration generated in the rotary crushing process of the crushing hammer head can be reduced, the crushing hammer head can be prevented from shaking, the crushing hammer head can be well protected, the crushing hammer head can be prevented from being thrown out and damaged due to the influence of centrifugal force, the equipment is prevented from being damaged, and the normal operation of stone crushing is facilitated.

Description

Mine stone crushing equipment

Technical Field

The invention relates to the field of mining machinery, in particular to mine stone crushing equipment.

Background

In a dressing plant, the crushing of mine stones is an indispensable preparation stage before the dressing operation, firstly, most of the mine stones treated by the dressing plant are useful minerals and gangue minerals which are closely connected together and often become fine particles or even are embedded into the fine particles, and only the fine particles are crushed and fully dissociated, so that the mine stones can be enriched by using the existing physical dressing method.

The crushing tup and the carousel of current ore crusher all fasten the installation through bolt, nut, carry out the crushing process to the stone, the carousel carries out high-speed rotatory to bolt, nut can receive the influence of rotatory external force more or less, rigidity collision takes place again with the stone in the crushing process tup, easily make bolt, nut take place the rotating under the long-time breakage, thereby can cause the tup to take place to become flexible, very big probably lead to the tup to receive centrifugal force to influence and thrown away and cause the accident.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide a mine stone crushing device.

The invention is realized by adopting the following technical scheme: a mine stone crushing device structurally comprises a feeding hole, a crushing mechanism, an iron remover, a rotating shaft, a sieve plate, a discharging hole, a sieve plate frame and a crushing machine body, wherein the feeding hole is formed in the top of the crushing machine body, the discharging hole is formed in the bottom of the crushing machine body, the sieve plate frame is fixed in the crushing machine body, the sieve plate is connected onto the sieve plate frame and is located below the rotating shaft, the crushing mechanism is arranged on each rotating shaft, and the iron remover is further arranged in the crushing machine body;

broken mechanism is including broken tup, bolt, spacing ring, spacing anchorage bar, fastening nut, carousel, the carousel is fixed with the spacing ring that is concentric structure with it, the trisection position of carousel all is connected with broken tup through bolt, fastening nut, bolt and fastening nut threaded connection, broken tup and carousel cooperation, bolt, fastening nut pass through spacing anchorage bar and are connected with the spacing ring, the carousel is connected in the pivot.

As a further optimization of the invention, the bolt comprises a bolt body, a longitudinal channel and a transverse channel, wherein the bolt body is provided with the transverse channel, two ends of the transverse channel are both communicated with the longitudinal channel, the longitudinal channel is arranged in the bolt body, and the bolt body is connected with the fastening nut through threads.

As a further optimization of the content of the invention, the fastening nut comprises a circular ring, a groove and a nut body, wherein the circular ring which is in a concentric circle structure with the nut body is fixed on the nut body, the two inner ends of the circular ring are respectively provided with the groove, the grooves are just opposite to the longitudinal channel, the internal thread of the nut body is connected with the external thread of the bolt body, and one surface of the nut body, which is far away from the circular ring, is in contact with the crushing hammer head.

As a further optimization of the content of the invention, the limiting ring comprises a ring body, mounting blocks, a damping limiting block and a U-shaped groove, wherein the three equal parts of the ring body are all provided with the U-shaped groove, the damping limiting block is fixed on each U-shaped groove, the mounting blocks are arranged on two sides of the damping limiting block, the mounting blocks are fixedly connected with the ring body, the ring body is fixed on the turntable, the damping limiting block is in contact with the crushing hammer head, and the mounting blocks are connected with a limiting fastening rod.

As a further optimization of the content of the invention, the mounting block comprises an inverted U block, guide bars and clamping grooves, the guide bars are fixed on two sides of the inverted U block, the clamping grooves are formed in two inner sides of the inverted U block, the inverted U block is fixedly connected with the ring body, and the clamping grooves are clamped with the limiting fastening rods.

As further optimization of the invention, the damping limiting block comprises a limiting angle, a U-shaped damping block and reinforcing ribs, the limiting angle is arranged at two ends of the U-shaped damping block, the reinforcing ribs are uniformly distributed in the U-shaped damping block, the U-shaped damping block is arranged at the position of the U-shaped groove and connected with the ring body, and the U-shaped damping block is further connected with the turntable.

As a further optimization of the content of the invention, the limiting fastening rod comprises a limiting plate, a limiting rod and a guide groove, the limiting rod is vertically connected with the center of the limiting plate, the limiting plate is provided with the guide groove, and the guide groove is in clearance fit with the guide bar.

As a further optimization of the content of the invention, the limiting rod comprises a hidden channel, a rod body, a clamping block group, an insulating tube and electromagnet pieces, wherein the hidden channel is coaxially arranged in the rod body, the insulating tube is placed in the hidden channel, three electromagnet pieces which are arranged in series are arranged in the insulating tube, the electromagnet pieces are all matched with the clamping block group, the clamping block group is provided with three groups and matched with the rod body, the clamping block group at the central part passes through the longitudinal channel to be clamped with the groove, and the clamping block group at the outer side is clamped with the clamping groove.

As a further optimization of the content of the invention, the clamping block set comprises a first clamping block, a first permanent magnet, a second clamping block and a second permanent magnet, the first clamping block is connected with the first permanent magnet, the second clamping block is connected with the second permanent magnet, the first permanent magnet is right opposite to the second permanent magnet, the electromagnet piece is positioned between the first permanent magnet and the second permanent magnet, and the first clamping block and the second clamping block are respectively clamped with the corresponding clamping grooves.

Advantageous effects

Compared with the prior art, the invention provides a plastic plate cutting device of mine stone crushing equipment, which has the following beneficial effects:

the crushing hammer head is placed at the U-shaped damping block, the limiting angle and the U-shaped damping block can avoid installation of a bolt, and a fastening nut deviates, the bolt penetrates through an installation hole of the crushing hammer head from the bottom of a rotary table, the fastening nut is matched with the bolt in a threaded manner, so that the fixed installation of the crushing hammer head and the rotary table is realized, the electromagnet piece is electrified to generate stronger magnetism, the magnetism is greater than that of a first permanent magnet and a second permanent magnet, one surface of the electromagnet piece is opposite in opposite polarity to that of the first permanent magnet, the other surface of the electromagnet piece is opposite in polarity to that of the second permanent magnet, and the opposite attraction is realized based on the magnetism principle, so that a first clamping block and a second clamping block are retracted into a rod body, the limiting fastening rod penetrates through an inverted U block, a transverse channel and an inverted U block until a guide groove is matched with a guide strip, so that the limiting plate is limited, and the, Recess, the draw-in groove just corresponds, through to electro-magnet fragment electricity, make a permanent magnet, No. two permanent magnets are relative based on like nature magnetism, and like nature is repellent, thereby a permanent magnet drives a fixture block, No. two permanent magnets drive No. two permanent magnets are overhanging, thereby the fixture block of part placed in the middle passes longitudinal channel and with the recess block, thereby realize gag lever post and bolt, fastening nut's spacing card is solid, and the fixture block of both sides passes the draw-in groove, thereby realize the card of gag lever post and spacing ring and solid, with this can effectively prevent the bolt, fastening nut, broken tup takes place not hard up, and the shock attenuation stopper can also reduce the vibrations that produce in the rotatory breakage of broken tup, more can avoid broken tup to take place to rock, play fine guard action to broken tup, the strengthening rib can further improve U type snubber block.

In conclusion, the bolt, the fastening nut and the crushing hammer head can be limited and clamped by combining the crushing hammer head, the bolt, the limiting ring, the limiting fastening rod, the fastening nut and the rotary table, so that the bolt, the fastening nut and the crushing hammer head can be effectively prevented from loosening, the vibration generated in the rotary crushing process of the crushing hammer head can be reduced, the crushing hammer head can be prevented from shaking, the crushing hammer head can be well protected, the crushing hammer head can be prevented from being thrown out and damaged due to the influence of centrifugal force, equipment damage is avoided, and the normal stone crushing is facilitated.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the construction of a mine stone breaking apparatus of the present invention.

Fig. 2 is a schematic structural view of the crushing mechanism of the present invention.

Fig. 3 is a schematic structural view of the breaking hammer head of the present invention.

Fig. 4 is a schematic cross-sectional view of the bolt of the present invention.

Fig. 5 is a schematic structural view of the fastening nut of the present invention.

Fig. 6 is a schematic structural view of the stop collar of the present invention.

Fig. 7 is a schematic structural view of the mounting block of the present invention.

Fig. 8 is a schematic cross-sectional view of a mounting block of the present invention.

Fig. 9 is a schematic sectional view of the shock absorbing stopper of the present invention.

Fig. 10 is a schematic structural view of a spacing fastening rod of the present invention.

FIG. 11 is a cross-sectional view of the fastening rod of the present invention.

Fig. 12 is a schematic structural view of an enlarged view of a in fig. 11.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

the crushing device comprises a feeding port 1, a crushing mechanism 2, an iron remover 3, a rotating shaft 4, a sieve plate 5, a discharging port 6, a sieve plate frame 7, a crushing machine body 8, a crushing hammer head 111, a bolt 222, a limiting ring 333, a limiting fastening rod 444, a fastening nut 555, a rotary disc 666, a bolt body 201, a longitudinal channel 202, a transverse channel 203, a circular ring 501, a groove 502, a nut body 503, a ring body 301, a mounting block 302, a damping limiting block 303, a U-shaped groove 304, an inverted U-shaped block 3021, a guide bar 3022, a clamping groove 3023, a limiting angle 3031, a U-shaped damping block 3032, a reinforcing rib 3033, a limiting plate 401, a limiting rod 402, a guide groove 403, a blind channel 4021, a rod body 4022, a clamping block group 4023, an insulating pipe 4024, an electromagnet plate 4025, a first clamping block 001, a first permanent.

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.

Example 1

Referring to fig. 1, the present invention provides a technical solution of a mine stone breaking apparatus: its structure is including feed inlet 1, crushing mechanism 2, de-ironing separator 3, pivot 4, sieve 5, discharge gate 6, sieve frame 7, crushing

machine body

8, 8 tops of crushing machine bodies are equipped with feed inlet 1, bottom and are equipped with

discharge gate

6, 8 internal fixations of crushing machine body have sieve frame 7, be connected with sieve 5 on the sieve frame 7, sieve 5 is located the below of pivot 4, all be equipped with crushing mechanism 2 in the pivot 4, crushing machine body 8 is still equipped with de-ironing separator 3, de-ironing separator 3's setting lies in the iron of removing in the stone crushing process, sieve 5 set up and lie in screening broken stone, and the fragment that is less than the sieve mesh can drop through the sieve mesh and discharge, and continue to carry out the breakage than the fragment that the sieve mesh is big.

Referring to fig. 2-3, the crushing mechanism 2 includes a crushing hammer 111, a bolt 222, a limiting ring 333, a limiting fastening rod 444, a fastening nut 555, and a turntable 666, the turntable 666 is fixed with the limiting ring 333 which is concentric with the turntable 666, three equal parts of the turntable 666 are connected with the crushing hammer 111 through the bolt 222 and the fastening nut 555, the bolt 222 is in threaded connection with the fastening nut 555, the crushing hammer 111 is matched with the turntable 666, the bolt 222 and the fastening nut 555 are connected with the limiting ring 333 through the limiting fastening rod 444, the turntable 666 is connected to the rotating shaft 4, and the limiting ring 333 and the limiting fastening rod 444 are arranged to limit and fix the crushing hammer 111, the bolt 22 and the fastening nut 5552, so as to effectively prevent the crushing hammer 111 from deviating.

Referring to fig. 4, the bolt 222 includes a bolt body 201, a longitudinal channel 202, and a transverse channel 203, the bolt body 201 is provided with the transverse channel 203, both ends of the transverse channel 203 are communicated with the longitudinal channel 202, the bolt body 201 is disposed in the longitudinal channel 202, the bolt body 201 is connected with a fastening nut 555 through a thread, and the transverse channel 203 is disposed to facilitate the penetration and the position limitation of the fastening rod 444.

Referring to fig. 5, the fastening nut 555 comprises a ring 501, grooves 502 and a nut body 503, the ring 501 which is concentric with the nut body 503 is fixed on the nut body 503, the grooves 502 are formed in the two inner ends of the ring 501, the grooves 502 are right opposite to the longitudinal channel 202, the internal thread of the nut body 503 is connected with the external thread of the bolt body 201, one surface of the nut body 503, which is far away from the ring 501, is in contact with the crushing hammer 111, and the grooves 502 are arranged to be conveniently clamped with the longitudinal channel 202 and the limiting fastening rod 444, so that the limiting fastening rod 444 is used for limiting and fixing the fastening nut 555 and the bolt 222, and the fastening nut 555 and the bolt 222 are effectively prevented from loosening.

Referring to fig. 6, the limiting ring 333 includes a ring body 301, an installation block 302, a damping limiting block 303, and a U-shaped groove 304, the three equal parts of the ring body 301 are all provided with the U-shaped groove 304, the U-shaped groove 304 is fixed with the damping limiting block 303, the two sides of the damping limiting block 303 are both provided with the installation block 302, the installation block 302 is fixedly connected with the ring body 301, the ring body 301 is fixed on a turntable 666, the damping limiting block 303 is in contact with the crushing hammer 111, the installation block 302 is connected to a limiting fastening rod 444, and the U-shaped groove 304 is convenient for the fixed installation of the damping limiting block 303 and the placement of the crushing hammer 111.

Referring to fig. 7, the mounting block 302 includes an inverted U-shaped block 3021, guide bars 3022, and a slot 3023, the guide bars 3022 are fixed on both sides of the inverted U-shaped block 3021, the slots 3023 are respectively formed on both inner sides of the inverted U-shaped block 3021, the inverted U-shaped block 3021 is fixedly connected to the ring body 301, the slot 3023 is engaged with the limit fastening rod 444, and the slot 3023 is conveniently engaged with the limit fastening rod 444, so as to fix the limit fastening rod 444.

Referring to fig. 10, the limiting fastening rod 444 includes a limiting plate 401, a limiting rod 402 and a guide groove 403, the limiting rod 402 is vertically connected to the center of the limiting plate 401, the guide groove 403 is formed in the limiting plate 401, the guide groove 403 is in clearance fit with a guide bar 3022, the guide bar 3022 is combined with the guide groove 403, the limiting function is performed on the limiting plate 401, and the guiding function is performed on the installation of the limiting rod 402, so that the fixture block set 4023 can be in positive correspondence with the longitudinal channel 202, the groove 502 and the clamping groove 3023.

Referring to fig. 11, the limiting rod 402 includes a hidden channel 4021, a rod body 4022, a set of latches 4023, an insulating tube 4024, and an electromagnet plate 4025, the hidden channel 4021 is coaxially disposed in the rod body 4022, the insulating tube 4024 is disposed in the hidden channel 4021, three electromagnet plates 4025 are disposed in the insulating tube 4024, the electromagnet plates 4025 are respectively matched with the set of latches 4023, the set of latches 4023 is provided with three sets and matched with the rod body 4022, the set of latches 4023 at the center passes through the longitudinal channel 202 to be engaged with the groove 502, the set of latches 4023 at the outer side is engaged with the latch 3023, the set of electromagnets 4025 is capable of attracting the set of latches 4023 to retract after being powered on, so that the rod body 4022 is inserted into the transverse channel 203 through the inverted U block 3021, and the set of the hidden channel 4021 is convenient for accommodating the insulating tube 4024.

Example 2

Referring to fig. 1-12, the present invention provides a technical solution of a mine stone breaking apparatus: its structure is including feed inlet 1, crushing mechanism 2, de-ironing separator 3, pivot 4, sieve 5, discharge gate 6, sieve frame 7,

crushing machine body

discharge gate

Broken mechanism 2 is including broken tup 111, bolt 222, spacing ring 333, spacing fastening rod 444, fastening nut 555, carousel 666 is fixed with the spacing ring 333 that is concentric structure with it, the trisection position of carousel 666 all is connected with broken tup 111 through bolt 222, fastening nut 555, bolt 222 and fastening nut 555 threaded connection, broken tup 111 and the cooperation of carousel 666, bolt 222, fastening nut 555 are connected with spacing ring 333 through spacing fastening rod 444, carousel 666 is connected in pivot 4, setting up of spacing ring 333, spacing fastening rod 444 lies in playing spacing, fixed effect to broken tup 111, bolt 22, fastening nut 5552, effectively prevents that broken tup 111 from taking place the off normal.

The bolt 222 comprises a bolt body 201, a longitudinal channel 202 and a transverse channel 203, the transverse channel 203 is formed in the bolt body 201, the longitudinal channel 202 is communicated with two ends of the transverse channel 203, the bolt body 201 is arranged in the longitudinal channel 202, the bolt body 201 is in threaded connection with a fastening nut 555, and the transverse channel 203 is convenient for limiting the penetration and the limiting of the fastening rod 444.

The fastening nut 555 comprises a circular ring 501, grooves 502 and a nut body 503, the circular ring 501 which is of a concentric structure with the nut body 503 is fixed on the nut body 503, the grooves 502 are formed in the two inner ends of the circular ring 501, the grooves 502 are right opposite to the longitudinal channel 202, the internal thread of the nut body 503 is connected with the external thread of the bolt body 201, one surface, far away from the circular ring 501, of the nut body 503 is in contact with the crushing hammer 111, and the grooves 502 are arranged to be conveniently clamped with the longitudinal channel 202 and the limiting fastening rod 444, so that the limiting fastening rod 444 is clamped, limited and fixed to the fastening nut 555 and the bolt 222, and loosening of the fastening nut 555 and the bolt 222 is effectively prevented.

Spacing ring 333 is including ring body 301, installation piece 302, shock attenuation stopper 303, U type groove 304 has all been seted up on ring body 301's trisection position, U type groove 304 all is fixed with shock attenuation stopper 303, shock attenuation stopper 303 both sides all are equipped with installation piece 302, installation piece 302 and ring body 301 fixed connection, ring body 301 is fixed on carousel 666, shock attenuation stopper 303 and broken tup 111 contact, installation piece 302 is connected in spacing anchorage bar 444, the fixed mounting of shock attenuation stopper 303 is convenient for in setting up of U type groove 304, the placing of the broken tup 111 of being convenient for simultaneously.

The installation piece 302 is including falling U piece 3021, conducting bar 3022, draw-in groove 3023, it all is fixed with conducting bar 3022 to fall U piece 3021 both sides, draw-in groove 3023 has all been seted up to two inboards of falling U piece 3021, fall U piece 3021 and ring body 301 fixed connection, draw-in groove 3023 and spacing anchorage bar 444 block, draw-in groove 3023 be convenient for with spacing anchorage bar 444 block to also play fixed effect to spacing anchorage bar 444.

Shock attenuation stopper 303 is including spacing angle 3031, U type snubber block 3032, strengthening rib 3033, U type snubber block 3032 both ends are equipped with spacing angle 3031, the equipartition has strengthening rib 3033 in U type snubber block 3032, U type snubber block 3032 locates U type groove 304 department and is connected with ring body 301, U type snubber block 3032 still is connected with carousel 666, spacing angle 3031's setting plays spacing effect to broken tup 111, U type snubber block 3032's setting not only plays spacing effect to broken tup 111, avoids mounting bolt 222, fastening nut 555 to take place the off normal, still plays absorbing effect, can reduce the vibrations that produce in the 111 rotatory breakage of broken tup, more can avoid broken tup 111 to take place to rock, plays fine guard action to broken tup 111, strengthening rib 3033's setting can further improve U type snubber block 3032's steadiness.

The limiting fastening rod 444 comprises a limiting plate 401, a limiting rod 402 and a guide groove 403, the limiting rod 402 is perpendicularly connected with the center of the limiting plate 401, the guide groove 403 is formed in the limiting plate 401, the guide groove 403 is in clearance fit with a guide strip 3022, the guide strip 3022 is combined with the guide groove 403, the limiting effect is achieved on the limiting plate 401, meanwhile, the guiding effect is achieved on the installation of the limiting rod 402, and the fixture block set 4023 can be in positive correspondence with the longitudinal channel 202, the groove 502 and the clamping groove 3023.

The limiting rod 402 comprises a hidden channel 4021, a rod body 4022, a clamping block set 4023, an insulating tube 4024 and electromagnet sheets 4025, the hidden channel 4021 is arranged in the rod body 4022 and coaxially arranged with the hidden channel 4021, the insulating tube 4024 is placed in the hidden channel 4021, three electromagnet sheets 4025 arranged in series are arranged in the insulating tube 4024, the electromagnet sheets 4025 are matched with the clamping block set 4023, the clamping block set 4023 is provided with three sets and matched with the rod body 4022, the clamping block set 4023 at the central part passes through the longitudinal channel 202 and is clamped with the groove 502, the clamping block set 4023 at the outer side is clamped with the clamping groove 3023, the electromagnet sheets 4025 are arranged to attract the clamping block set 4023 to retract after being electrified, the rod body 4022 is conveniently inserted into the transverse channel 203 through the inverted U block 3021, and the insulating tube 4024 is conveniently accommodated by the hidden channel 4021.

The fixture block group 4023 comprises a first fixture block 001, a first permanent magnet 002, a second fixture block 003 and a second permanent magnet 004, the first fixture block 001 is connected with the first permanent magnet 002, the second fixture block 003 is connected with the second permanent magnet 004, the first permanent magnet 002 is right opposite to the second permanent magnet 004, the electromagnet plate 4025 is positioned between the first permanent magnet 002 and the second permanent magnet 004, the first fixture block 001 and the second fixture block 003 are respectively clamped with clamping grooves 3023 corresponding to the first fixture block and the second fixture block, the first permanent magnet 002 is right opposite to the second permanent magnet 004 in like magnetic poles, and the fixture block can be clamped with the longitudinal channel 202, the groove 502 and the clamping groove 3023 in a manner of extending outwards based on the like-pole repulsion principle of magnets.

The working principle of the invention is as follows: the crushing hammer head 111 is placed at the U-shaped shock absorption block 3032, the limit angle 3031 and the U-shaped shock absorption block 3032 can prevent the mounting bolt 222 and the fastening nut 555 from deviating, the bolt 222 penetrates through the mounting hole of the crushing hammer head 111 from the bottom of the rotary disc 666 and is matched with the bolt 222 through the fastening nut 555 and the thread of the bolt 222, so that the crushing hammer head 111 and the rotary disc 666 are fixedly mounted, the electromagnet plate 4025 generates stronger magnetism through electrifying the electromagnet plate 4025, the magnetism is larger than that of the first permanent magnet 002 and the second permanent magnet 004, one surface of the electromagnet plate 4025 has opposite magnetism to that of the first permanent magnet 002 and the other surface of the electromagnet plate has opposite magnetism to that of the second permanent magnet 004, based on the magnetism principle, the opposite magnetism attracts each other, so that the first fixture block 001 and the second fixture block 003 are retracted into the rod body 2, the limit fastening rod 444 penetrates through the inverted U block 3021, the transverse channel 203 and the inverted U block 3021 until the guide, therefore, the limiting plate 401 is limited, so that the fixture block group 4023 is positively corresponding to the longitudinal channel 202, the groove 502 and the clamping groove 3023, the electromagnet plate 4025 is powered off, the first permanent magnet 002 and the second permanent magnet 004 are opposite based on the magnetic properties of the same poles, the same poles repel each other, the first permanent magnet 002 drives the first fixture block 001, the second permanent magnet 004 drives the second permanent magnet 004 to extend outwards, the fixture block of the central part passes through the longitudinal channel 202 to be clamped with the groove 502, the limiting clamping of the limiting rod 402 and the bolt 222 and the fastening nut 555 is realized, the fixture blocks on two sides pass through the clamping groove 3023, the clamping of the limiting rod 402 and the limiting ring 333 is realized, the bolt 222, the fastening nut 555 and the crushing hammer 111 can be effectively prevented from loosening, the damping limiting block 303 can also reduce the vibration generated in the rotary crushing of the crushing hammer 111, and further avoid the shaking of the crushing hammer 111, the crushing hammer head 111 is well protected, and the reinforcing rib 3033 can further improve the stability of the U-shaped shock absorption block 3032.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: according to the invention, through the combined arrangement of the crushing hammer head, the bolt, the limiting ring, the limiting fastening rod, the fastening nut and the rotary table, the bolt, the fastening nut and the crushing hammer head can be limited and clamped, so that the bolt, the fastening nut and the crushing hammer head can be effectively prevented from loosening, the vibration generated in the rotary crushing process of the crushing hammer head can be reduced, the crushing hammer head can be prevented from shaking, the crushing hammer head can be well protected, the crushing hammer head can be prevented from being thrown out and damaged due to the influence of centrifugal force, the equipment is prevented from being damaged, and the normal operation of stone crushing is facilitated.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a mine stone crushing apparatus, its structure is including feed inlet (1), crushing mechanism (2), de-ironing separator (3), pivot (4), sieve (5), discharge gate (6), sieve grillage (7), breaker body (8), feed inlet (1) is established on breaker body (8) top, discharge gate (6) are established at the end, breaker body (8) internal fixation has de-ironing separator (3), sieve (5), sieve grillage (7), pivot (4), crushing mechanism (2), sieve (5) link to each other with sieve grillage (7), install on pivot (4) its characterized in that:

broken mechanism (2) is including broken tup (111), bolt (222), spacing ring (333), spacing anchorage bar (444), fastening nut (555), carousel (666) is fixed with spacing ring (333), carousel (666) even has broken tup (111) through bolt (222), fastening nut (555), bolt (222) are connected and both still link in spacing ring (333) through spacing anchorage bar (444) with fastening nut (555), broken tup (111) and carousel (666) cooperation, carousel (666) link in pivot (4).

2. A mine stone breaking apparatus as claimed in claim 1 wherein: the bolt (222) comprises a bolt body (201), a longitudinal channel (202) and a transverse channel (203), the transverse channel (203) is formed in the bolt body (201), the longitudinal channel (202) is communicated with two ends of the transverse channel (203), the bolt body (201) is arranged in the longitudinal channel (202), and the bolt body (201) is connected with a fastening nut (555).

3. A mine stone breaking apparatus as claimed in claim 1 wherein: the fastening nut (555) comprises a circular ring (501), a groove (502) and a nut body (503), the circular ring (501) with the groove (502) is fixed on the nut body (503), the groove (502) is opposite to the longitudinal channel (202), and the nut body (503) is connected with the bolt body (201).

4. A mine stone breaking apparatus as claimed in claim 1 wherein: spacing ring (333) is including ring body (301), installation piece (302), shock attenuation stopper (303), U type groove (304), ring body (301) are equipped with U type groove (304), U type groove (304) are equipped with shock attenuation stopper (303) of being connected with ring body (301), ring body (301) still are fixed with installation piece (302), ring body (301) are connected with carousel (666), shock attenuation stopper (303) contact with broken tup (111), installation piece (302) link in spacing anchorage bar (444).

5. A mine stone breaking apparatus as claimed in claim 4, wherein: the installation piece (302) is including falling U piece (3021), conducting bar (3022), draw-in groove (3023), it is equipped with conducting bar (3022), draw-in groove (3023) to fall U piece (3021), it links firmly with ring body (301) to fall U piece (3021), draw-in groove (3023) and spacing anchorage bar (444) cooperation.

6. A mine stone breaking apparatus as claimed in claim 4, wherein: shock attenuation stopper (303) are including having a spacing angle (3031), U type snubber block (3032), strengthening rib (3033), U type snubber block (3032) is peripheral to have a spacing angle (3031), and the interior equipartition has strengthening rib (3033), U type snubber block (3032) are connected with ring body (301), carousel (666).

7. A mine stone breaking apparatus as claimed in claim 1 wherein: the limiting fastening rod (444) comprises a limiting plate (401), a limiting rod (402) and a guide groove (403), the limiting rod (402) is vertically connected with the limiting plate (401), and the guide groove (403) matched with the guide bar (3022) is formed in the limiting plate (401).

8. A mine stone breaking apparatus as claimed in claim 7 wherein: gag lever post (402) is including dark way (4021), the body of rod (4022), fixture block group (4023), insulating tube (4024), electro-magnet piece (4025), be equipped with dark way (4021) of placing insulating tube (4024) in the body of rod (4022), insulating tube (4024) embeds there are three electromagnetism pieces (4025) that are the series connection, electromagnetism piece (4025) all cooperate the fixture block group (4023), the cooperation of fixture block group (4023) and the body of rod (4022), the fixture block group (4023) at position placed in the middle passes vertical passageway (202) and recess (502) block, the fixture block group (4023) and the fixture block (3023) block in the outside.

9. A mine stone breaking apparatus as claimed in claim 8 wherein: the clamping block set (4023) comprises a clamping block (001), a permanent magnet (002), a clamping block II (003) and a permanent magnet II (004), the clamping block I (001) is connected with the permanent magnet I (002), the clamping block II (003) is connected with the permanent magnet II (004), the electromagnet piece (4025) is located between the permanent magnet I (002) and the permanent magnet II (004), and the clamping block I (001) and the clamping block II (003) are respectively clamped with a clamping groove (3023) corresponding to the clamping block I and the clamping block II.