CN115318411A - Multilayer reverse-rotation shearing crushing equipment at front end of mine coal mining machine - Google Patents
Multilayer reverse-rotation shearing crushing equipment at front end of mine coal mining machine Download PDFInfo
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- CN115318411A CN115318411A CN202211003088.3A CN202211003088A CN115318411A CN 115318411 A CN115318411 A CN 115318411A CN 202211003088 A CN202211003088 A CN 202211003088A CN 115318411 A CN115318411 A CN 115318411A
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- 238000010008 shearing Methods 0.000 title claims abstract description 118
- 238000005065 mining Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title abstract description 71
- 230000002441 reversible effect Effects 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000003756 stirring Methods 0.000 claims description 39
- 206010024796 Logorrhoea Diseases 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 abstract description 21
- 238000000034 method Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010878 waste rock Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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Abstract
The invention discloses a multilayer counter-rotating shearing crushing device at the front end of a mine coal mining machine, which comprises a counter-rotating crushing frame, a multilayer counter-rotating crushing mechanism, an interactive shearing auxiliary crushing mechanism and an impact primary crushing mechanism, wherein the multilayer counter-rotating crushing mechanism is arranged on the inner wall of the counter-rotating crushing frame, the interactive shearing auxiliary crushing mechanism is symmetrically arranged on the lower wall of the counter-rotating crushing frame, and the impact primary crushing mechanism is symmetrically and slidably arranged on the opposite side walls of the counter-rotating crushing frame. The invention belongs to the technical field of coal mining equipment, and particularly provides a multilayer reverse rotation shearing crushing device at the front end of a mine coal mining machine.
Description
Technical Field
The invention belongs to the technical field of coal mining equipment, and particularly relates to multi-layer reverse rotation shearing crushing equipment at the front end of a mine coal mining machine.
Background
In the mechanical coal mining process, a large-scale coal mining machine is adopted to cut and crush the front end of a coal mining face, so that coal blocks are loosened and fall onto the equipment and are conveyed out of a coal roadway through conveying equipment.
The prior art mostly is one-way rotary-cut mode to the coal seam of coal road face cut breakage, and lacks the crushing equipment to the bold coal or the waste rock of coal-winning machine front end, is difficult to realize the technological effect to the effective breakage of bold coal or waste rock, can't effectively solve the coal cinder and pile up the technical problem that influences coal mining efficiency or leads to equipment trouble.
Disclosure of Invention
According to the technical problems, the invention provides a multilayer reverse rotation shearing crushing device at the front end of a mine coal mining machine, which aims at the technical problem that the prior art is difficult to efficiently and reliably crush large coal blocks, and is skillfully provided with a multilayer reverse rotation crushing mechanism and an interactive shearing auxiliary crushing mechanism.
The technical scheme adopted by the invention is as follows: this scheme provides a mine shearer front end multilayer derotation shearing crushing equipment, including the garrulous frame of derotation, multilayer derotation crushing mechanism, the garrulous frame inner wall of derotation is located to the supplementary crushing mechanism of mutual shearing, the garrulous frame lower wall of derotation is located to the supplementary crushing mechanism symmetry of mutual shearing, the garrulous frame inside wall of derotation is located to the garrulous symmetrical slip of the garrulous frame of derotation of impact primary broken mechanism, multilayer derotation crushing mechanism includes successive layer undergauge derotation breaker, normal rotation power subassembly and derotation power subassembly, successive layer undergauge derauge breaker rotates the joint and locates the garrulous frame inside diapire of deraugon, normal rotation power subassembly and derauge power subassembly are fixed respectively and locate the garrulous frame inside lateral wall of derauge, normal rotation power subassembly and derauge power subassembly are connected with successive layer undergauge derauge breaker transmission respectively.
Further, mutual supplementary broken mechanism of shearing is including reciprocal mutual shearing mechanism of stirring, fixed shear block, mutual shearing guide rail and mutual shearing power rack, fixed shear block equidistant array distributes fixedly locates the garrulous frame lower wall of contrary knob, mutual shearing guide rail symmetric distribution is fixed locates the garrulous frame lower wall of contrary knob, mutual shearing power rack is fixed to be located the garrulous frame lower wall of contrary knob, reciprocal mutual shearing mechanism sliding clamping of stirring is located on the mutual shearing guide rail, mutual shearing guide rail is located respectively between the fixed shear block, mutual shearing power rack is located between the mutual shearing guide rail.
Furthermore, the successive-layer diameter-reducing contra-rotating crushing device comprises a first rotating crushing ring, a second rotating crushing ring, a third rotating crushing ring, a fourth rotating crushing ring and a fifth rotating crushing ring, wherein the first rotating crushing ring is rotatably clamped on the upper wall inside the contra-rotating crushing frame, the second rotating crushing ring is rotatably clamped on the upper wall of the first rotating crushing ring, the third rotating crushing ring is rotatably clamped on the upper wall of the second rotating crushing ring, the fourth rotating crushing ring is rotatably clamped on the upper wall of the third rotating crushing ring, the fifth rotating crushing ring is rotatably clamped on the upper wall of the fourth rotating crushing ring, the fifth rotating crushing ring, the fourth rotating crushing ring, the third rotating crushing ring, the second rotating crushing ring and the first rotating crushing ring are sequentially and coaxially arranged from top to bottom, the fifth rotary crushing ring, the fourth rotary crushing ring, the third rotary crushing ring, the second rotary crushing ring and the first rotary crushing ring have the same outer diameter, the fifth rotary crushing ring, the fourth rotary crushing ring, the third rotary crushing ring, the inner diameters of the second rotary crushing ring and the first rotary crushing ring are reduced in sequence, the fifth rotary crushing ring, the fourth rotary crushing ring, the third rotary crushing ring, the second rotary crushing ring and the first rotary crushing ring circumferential outer side wall are respectively and fixedly provided with annular racks, the fifth rotary crushing ring, the fourth rotary crushing ring, the third rotary crushing ring, the second rotary crushing ring and the first rotary crushing ring circumferential inner side wall are respectively and fixedly provided with inverse rotary crushing teeth in an annular array mode.
Furthermore, the positive rotation power assembly comprises a positive rotation motor and a positive rotation power shaft, the positive rotation motor is fixedly arranged on the upper wall inside the reverse rotation crushing frame, the positive rotation power shaft is rotatably arranged on the side wall inside the reverse rotation crushing frame, the positive rotation power shaft is coaxially and fixedly connected with the output end of the positive rotation motor, positive rotation power gears are fixedly arranged on the circumferential side wall of the positive rotation power shaft in an equidistant array mode, the positive rotation power gears are respectively and coaxially arranged with the positive rotation power shaft, and the positive rotation power gears are respectively meshed with the annular racks on the side walls of the fifth rotation crushing ring, the third rotation crushing ring and the first rotation crushing ring.
Further, the backspin power component comprises a backspin motor and a backspin power shaft, the backspin motor is fixedly arranged on the upper wall of the inside of the backspin twisting frame, the backspin power shaft rotates to be arranged on the side wall of the inside of the backspin twisting frame, the backspin power shaft is coaxially and fixedly connected with the output end of the backspin motor, backspin power gears are fixedly arranged on the circumferential side wall of the backspin power shaft in an equidistant array mode, the backspin power gears are respectively and coaxially arranged with the backspin power shaft, and the backspin power gears are respectively meshed with annular racks on the side walls of the fourth rotary crushing ring and the second rotary crushing ring.
Further, reciprocal mutual shearing mechanism of stirring is including reciprocal base of stirring, reciprocal motor power and reciprocal shear block of stirring, reciprocal base slip joint of stirring is located mutual shearing guide rail lower wall, reciprocal motor power is fixed to be located reciprocal base upper wall of stirring, reciprocal shear block symmetric distribution of stirring rotates respectively and locates reciprocal lateral wall of stirring the base and being close to fixed shear block, reciprocal base lateral wall of stirring is equipped with stirs the power and blocks the face, reciprocal motor power output coaxial fixation is equipped with reciprocal power gear, reciprocal power gear and the meshing of mutual shearing power rack, reciprocal shear block of stirring is close to the lateral wall of fixed shear block and is equipped with shearing power inclined plane.
Furthermore, the side wall of the fixed shear block close to the reciprocating shifting shear block is provided with a fixed shear inclined plane, and the moving directions of the reciprocating shifting shear blocks respectively point to the space between the adjacent fixed shear blocks; the transverse thickness of the reciprocating shifting shearing block is smaller than the distance between the adjacent fixed shearing blocks, when the reciprocating power motor runs and drives the reciprocating power gear to rotate, the reciprocating power gear enables the reciprocating shifting base to slide in a reciprocating mode along the interactive shearing guide rail through the interactive shearing power rack, the reciprocating shifting base drives the reciprocating shifting shearing block to move in a reciprocating mode, and when the reciprocating shifting shearing block is close to the fixed shearing blocks, the reciprocating shifting shearing blocks move between the adjacent fixed shearing blocks respectively.
Further, strike broken mechanism just including strikeing broken wheel and the broken carriage of impact, strike broken carriage and slide respectively and locate the broken frame relative lateral wall of contrary knob, strike broken wheel and rotate respectively and locate and strike broken carriage lateral wall, strike broken wheel circumference lateral wall array distribution and fixedly be equipped with and strike broken tooth, strike broken wheel lateral wall and run through and be equipped with and strike eccentric hole, strike the fixed eccentric increase weight rod that is equipped with of broken wheel lateral wall.
Furthermore, impact crushing sliding frame side wall is fixedly provided with an impact crushing motor, and the output end of the impact crushing motor is coaxially and fixedly connected with an impact crushing wheel.
Further, the fixed impact stand that is equipped with of contrary knob garrulous frame upper wall edge symmetry strikes broken carriage and slides respectively and locate and strike the stand lateral wall, and contrary knob garrulous frame lateral wall is fixed and is equipped with the connecting rod, runs through in contrary knob garrulous frame lower wall middle part and is equipped with the discharge opening, and the discharge opening is located under the first rotatory broken ring.
The invention adopting the structure has the following beneficial effects:
(1) The multi-layer reverse rotation crushing mechanism carries out rotary cutting and torsional crushing on the coal blocks in a multiple combination and reverse action mode, the coal blocks are crushed step by means of a plurality of groups of rotary crushing rings with different inner diameters, the reverse crushing power of the adjacent rotary crushing rings is utilized to remarkably accelerate the crushing speed of the coal blocks, and the crushing quality of the coal blocks is ensured while the crushing efficiency of the coal blocks is improved;
(2) The interactive shearing auxiliary crushing mechanism is used for carrying out auxiliary crushing on scattered coal blocks in a periodic action mode, and the equipment realizes effective shifting, gathering and shearing of the coal blocks by using an asymmetric motion mode in a single period, so that the coal blocks are prevented from being lost, and the crushing efficiency of the equipment is further improved;
(3) The impact primary breaking mechanism realizes automatic vibration operation by utilizing an eccentric structure, and performs primary breaking on larger coal blocks by means of the impact effect generated by vibration and a rapid rotary cutting mode, so that the reliability of equipment is guaranteed;
(4) The layer-by-layer reducing reverse rotation crushing device performs rotary cutting, twisting and twisting on the coal blocks in a mode of multi-layer rotary cutting and opposite rotation directions between adjacent rotary cutting layers, so that the crushing speed of the coal blocks is remarkably increased;
(5) The reciprocating shifting shear block realizes an asymmetric motion effect by virtue of the blocking surface of the shifting force and the blocking effect of scattered coal blocks, can effectively shift and gather the coal blocks when being close to the fixed shear block, and can rotate and cross the coal blocks due to the blocking effect of the coal blocks when being far away from the fixed shear block, so that the complete degree of crushing the coal blocks is ensured, and the coal blocks are prevented from being pushed out of a working range by equipment and being lost;
(6) The impact crushing wheel has the characteristic of eccentricity through the impact eccentric hole and the impact eccentric weight increasing rod, and can generate vibration impact effect in the rotating process.
Drawings
Fig. 1 is a schematic structural diagram of a multi-layer reverse rotation shearing crushing device at the front end of a mine coal mining machine, which is provided by the invention;
FIG. 2 is a second structural schematic diagram of a multi-layer reverse-rotation shearing crushing device at the front end of a mine coal mining machine, which is provided by the invention;
FIG. 3 is a schematic structural diagram of a multi-layer reverse rotation crushing mechanism and an impact primary crushing mechanism according to the present invention;
FIG. 4 is a schematic structural diagram of an interactive shear assisted crushing mechanism according to the present invention;
fig. 5 is a schematic structural diagram of a layer-by-layer diameter-reducing reverse-rotation crushing device provided by the invention;
fig. 6 is a schematic structural view of a fourth rotating crushing ring according to the present invention;
FIG. 7 is an enlarged view of a portion A of FIG. 3;
FIG. 8 is a schematic structural diagram of a reciprocating toggle interaction shearing apparatus according to the present invention;
fig. 9 is a schematic structural diagram of an impact early-breaking mechanism provided by the invention.
Wherein, 1, a reverse-rotation crushing frame, 11, an impact upright post, 12, a connecting rod, 13, a discharge hole, 2, a multilayer reverse-rotation crushing mechanism, 21, a layer-by-layer reducing reverse-rotation crushing device, 211, a first rotary crushing ring, 212, a second rotary crushing ring, 213, a third rotary crushing ring, 214, a fourth rotary crushing ring, 215, a fifth rotary crushing ring, 216, an annular rack, 217, a reverse-rotation crushing tooth, 22, a forward-rotation power assembly, 221, a forward-rotation motor, 222, a forward-rotation power shaft, 2221, a forward-rotation power gear, 23, a reverse-rotation power assembly, 231, a reverse-rotation motor, 232, a reverse-rotation power shaft, 2321 and a reverse-rotation power gear, 3, mutual supplementary broken mechanism of shearing, 31, reciprocal shearing mechanism of stirring, 311, reciprocal stirring base, 3111, stirring power stop surface, 312, reciprocal driving motor, 3121, reciprocal driving gear, 313, reciprocal stirring shearing block, 3131, shearing power inclined plane, 32, fixed shearing block, 321, fixed shearing inclined plane, 33, mutual shearing guide rail, 34, mutual shearing power rack, 4, strike the initial breaking mechanism, 41, strike broken wheel, 411, strike broken tooth, 412, strike eccentric hole, 413, strike eccentric weight gain pole, 42, strike broken carriage, 421, strike broken motor.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
The embodiment is as follows:
referring to fig. 1-3, in this embodiment, the multi-layer reverse rotation shearing crushing apparatus for the front end of a mine shearer comprises a reverse rotation crushing frame 1, a multi-layer reverse rotation crushing mechanism 2, an interactive shearing auxiliary crushing mechanism 3 and an impact primary crushing mechanism 4, wherein the multi-layer reverse rotation crushing mechanism 2 is arranged on the inner wall of the reverse rotation crushing frame 1, the interactive shearing auxiliary crushing mechanism 3 is symmetrically arranged on the lower wall of the reverse rotation crushing frame 1, the impact primary crushing mechanism 4 is symmetrically and slidably arranged on the opposite side walls of the reverse rotation crushing frame 1, the multi-layer reverse rotation crushing mechanism 2 comprises a layer-by-layer reverse rotation crushing device 21, a forward rotation power assembly 22 and a reverse rotation power assembly 23, the layer-by-layer diameter reduction reverse rotation crushing device 21 is rotatably clamped on the inner bottom wall of the reverse rotation crushing frame 1, the forward rotation power assembly 22 and the reverse rotation power assembly 23 are respectively and fixedly arranged on the inner side wall of the reverse rotation crushing frame 1, and the forward rotation power assembly 22 and the reverse rotation power assembly 23 are respectively in transmission connection with the layer-by layer-layer reduction reverse rotation crushing device 21.
Referring to fig. 4, the auxiliary crushing mechanism 3 for interactive shearing in the present embodiment includes a reciprocating shearing device 31, fixed shearing blocks 32, interactive shearing guide rails 33 and an interactive shearing power rack 34, the fixed shearing blocks 32 are distributed and fixed on the lower wall of the back-turning crushing frame 1 at equal intervals, the interactive shearing guide rails 33 are symmetrically distributed and fixed on the lower wall of the back-turning crushing frame 1, the interactive shearing power rack 34 is fixed on the lower wall of the back-turning crushing frame 1, the reciprocating shearing device 31 is slidably clamped on the interactive shearing guide rails 33, the interactive shearing guide rails 33 are respectively disposed between the fixed shearing blocks 32, and the interactive shearing power rack 34 is disposed between the interactive shearing guide rails 33.
Referring to fig. 5 and 6, the layer-by-layer diameter-reducing reverse-rotation crushing device 21 in this embodiment includes a first rotary crushing ring 211, a second rotary crushing ring 212, a third rotary crushing ring 213, a fourth rotary crushing ring 214, and a fifth rotary crushing ring 215, the first rotary crushing ring 211 is rotatably clamped to the upper wall of the reverse-rotation crushing frame 1, the second rotary crushing ring 212 is rotatably clamped to the upper wall of the first rotary crushing ring 211, the third rotary crushing ring 213 is rotatably clamped to the upper wall of the second rotary crushing ring 212, the fourth rotary crushing ring 214 is rotatably clamped to the upper wall of the third rotary crushing ring 213, the fifth rotary crushing ring 215 is rotatably clamped to the upper wall of the fourth rotary crushing ring 214, the fifth rotary crushing ring 215, the fourth rotary crushing ring 214, the third rotary crushing ring 213, the second rotary crushing ring 212, and the first rotary crushing ring 211 are coaxially disposed in sequence from top to bottom, the outer diameters of the fifth rotary crushing ring 215, the fourth rotary crushing ring 214, the third rotary crushing ring 213, the second rotary crushing ring 212 and the first rotary crushing ring 211 are the same, the inner diameters of the fifth rotary crushing ring 215, the fourth rotary crushing ring 214, the third rotary crushing ring 213, the second rotary crushing ring 212 and the first rotary crushing ring 211 are sequentially reduced, annular racks 216 are respectively and fixedly arranged on the outer circumferential side walls of the fifth rotary crushing ring 215, the fourth rotary crushing ring 214, the third rotary crushing ring 213, the second rotary crushing ring 212 and the first rotary crushing ring 211, and reverse-rotation crushing teeth 217 are respectively and fixedly arranged on the inner circumferential side walls of the fifth rotary crushing ring 215, the fourth rotary crushing ring 214, the third rotary crushing ring 213, the second rotary crushing ring 212 and the first rotary crushing ring 211 in an annular array mode.
Referring to fig. 7, the forward rotation power assembly 22 in this embodiment includes a forward rotation motor 221 and a forward rotation power shaft 222, the forward rotation motor 221 is fixedly disposed on an upper wall inside the reverse rotation crushing frame 1, the forward rotation power shaft 222 is rotatably disposed on a side wall inside the reverse rotation crushing frame 1, the forward rotation power shaft 222 is coaxially and fixedly connected to an output end of the forward rotation motor 221, forward rotation power gears 2221 are fixedly disposed on circumferential side walls of the forward rotation power shaft 222 at equal intervals in an array manner, the forward rotation power gears 2221 are coaxially disposed with the forward rotation power shaft 222, and the forward rotation power gears 2221 are respectively engaged with the fifth rotary crushing ring 215, the third rotary crushing ring 213 and the annular rack 216 on the side wall of the first rotary crushing ring 211.
Referring to fig. 7, the reverse rotation power assembly 23 in this embodiment includes a reverse rotation motor 231 and a reverse rotation power shaft 232, the reverse rotation motor 231 is fixedly disposed on an upper wall inside the reverse rotation crushing frame 1, the reverse rotation power shaft 232 is rotatably disposed on a side wall inside the reverse rotation crushing frame 1, the reverse rotation power shaft 232 and an output end of the reverse rotation motor 231 are coaxially and fixedly connected, reverse rotation power gears 2321 are fixedly disposed on a circumferential side wall of the reverse rotation power shaft 232 in an equidistant array, the reverse rotation power gears 2321 are respectively and coaxially disposed with the reverse rotation power shaft 232, and the reverse rotation power gears 2321 are respectively engaged with the annular racks 216 on the side walls of the fourth rotary crushing ring 214 and the second rotary crushing ring 212; the forward rotation motor 221 and the reverse rotation motor 231 are operated to keep operating in reverse directions, so as to drive the forward rotation power shaft 222 and the reverse rotation power shaft 232 to rotate in opposite directions.
Referring to fig. 8, the reciprocal driving reciprocal shearing apparatus 31 of the present embodiment includes a reciprocal driving base 311, a reciprocal power motor 312 and a reciprocal driving shearing block 313, the reciprocal driving base 311 is slidably clamped on the lower wall of the reciprocal shearing guide rail 33, the reciprocal power motor 312 is fixedly disposed on the upper wall of the reciprocal driving base 311, the reciprocal driving shearing block 313 is symmetrically disposed and respectively rotatably disposed on the side wall of the reciprocal driving base 311 close to the fixed shearing block 32, the side wall of the reciprocal driving base 311 is disposed with a driving force blocking surface 3111, the output end of the reciprocal power motor 312 is coaxially and fixedly disposed with a reciprocal power gear 3121, the reciprocal power gear 3121 is engaged with the reciprocal shearing power rack 34, and the side wall of the reciprocal driving shearing block 313 close to the fixed shearing block 32 is disposed with a shearing power inclined surface 3131.
Referring to fig. 4, in the present embodiment, the fixed cutouts 32 are provided with fixed cutout slopes 321 near the sidewalls of the reciprocating shear cutouts 313, and the moving directions of the reciprocating shear cutouts 313 point to between the adjacent fixed cutouts 32 respectively; the transverse thickness of the toggle shearing block 313 is smaller than the distance between the adjacent fixed shearing blocks 32, when the reciprocating power motor 312 operates and drives the reciprocating power gear 3121 to rotate, the reciprocating power gear 3121 makes the toggle base 311 slide along the reciprocating shearing guide rail 33 in a reciprocating manner through the reciprocating shearing power rack 34, the toggle base 311 drives the toggle shearing block 313 to move in a reciprocating manner, and when the toggle shearing block 313 approaches the fixed shearing blocks 32, the toggle shearing blocks 313 move between the adjacent fixed shearing blocks 32 respectively.
Referring to fig. 9, the impact primary crushing mechanism 4 of the present embodiment includes an impact crushing wheel 41 and an impact crushing sliding frame 42, the impact crushing sliding frame 42 is respectively slidably disposed on opposite sidewalls of the back-twist crushing frame 1, the impact crushing wheel 41 is respectively rotatably disposed on sidewalls of the impact crushing sliding frame 42, impact crushing teeth 411 are fixedly disposed on circumferential sidewalls of the impact crushing wheel 41 in an array manner, an impact eccentric hole 412 is disposed through a sidewall of the impact crushing wheel 41, and an impact eccentric weight-increasing rod 413 is fixedly disposed on a sidewall of the impact crushing wheel 41.
Referring to fig. 9, an impact crushing motor 421 is fixedly disposed on a side wall of the impact crushing sliding rack 42 in the embodiment, and an output end of the impact crushing motor 421 is coaxially and fixedly connected to the impact crushing wheel 41.
Referring to fig. 1 and 2, in the embodiment, the impact columns 11 are symmetrically and fixedly disposed on the edges of the upper wall of the back-rotating crushing rack 1, the impact crushing sliding frames 42 are respectively slidably disposed on the side walls of the impact columns 11, the connecting rods 12 are fixedly disposed on the side walls of the back-rotating crushing rack 1, the discharge holes 13 are disposed in the middle of the lower wall of the back-rotating crushing rack 1, and the discharge holes 13 are disposed under the first rotating crushing ring 211.
The specific implementation manner of this embodiment is: before an operator operates a coal mining machine to perform coal mining operation, the multilayer reverse rotation shearing crushing device at the front end of the mine coal mining machine is installed at the front end of the coal mining machine, the installer adjusts and matches the connecting rod 12 according to the concrete structure of the coal mining machine so that the device can be reliably connected with the coal mining machine, after coal mining is started, the forward rotation motor 221, the reverse rotation motor 231, the reciprocating power motor 312 and the impact crushing motor 421 synchronously start to run, in the coal mining process, the coal mining machine cuts and crushes the surface of a coal seam to enable coal blocks to continuously fall off, smaller coal blocks fall off through the positions between the impact crushing wheels 41 and the inside of the layer-by-layer reducing reverse rotation crushing device 21 and fall off onto the coal block recovery and conveying device from the discharge hole 13, and when the size of the coal blocks is larger than the inner diameter of the first rotary reducing crushing ring 211 and smaller than the distance between the impact crushing wheels 41, the coal blocks smoothly fall into the layer-by-layer reducing reverse rotation crushing device 21, the forward rotation motor 221 drives the forward rotation power gear 2221 to rotate through the forward rotation power shaft 222, the forward rotation power gear 2221 respectively drives the fifth rotary crushing ring 215, the third rotary crushing ring 213 and the first rotary crushing ring 211 to rotate in the forward direction through the annular rack 216, the reverse rotation teeth 217 on the inner walls of the fifth rotary crushing ring 215, the third rotary crushing ring 213 and the first rotary crushing ring 211 synchronously rotate in the forward direction, the reverse rotation motor 231 drives the reverse rotation power gear 2321 to rotate through the reverse rotation power shaft 232, the reverse rotation power gear 2321 respectively drives the fourth rotary crushing ring 214 and the second rotary crushing ring 212 to rotate in the reverse direction through the annular rack 216, the fourth rotary crushing ring 214 and the reverse rotation teeth 217 on the inner wall of the second rotary crushing ring 212 synchronously rotate in the reverse direction, and the first rotary crushing ring 211, the second rotary crushing ring 212, the third rotary crushing ring 213, the fourth rotary crushing ring 214 and the fifth rotary crushing ring 215 generate mutual reverse rotation, therefore, the coal blocks inside the layer-by-layer diameter-reducing reverse rotation crushing device 21 are cut, twisted and rubbed by each layer of reverse rotation crushing teeth 217, the coal blocks can be crushed rapidly, when the size of the coal blocks is larger than the distance between the impact crushing wheels 41, the coal blocks are clamped by the impact crushing wheels 41, the impact crushing motors 421 drive the impact crushing wheels 41 to rotate, the impact crushing wheels 41 perform rotary cutting on the surfaces of the coal blocks, due to the fact that the impact eccentric holes 412 and the impact eccentric weight increasing rods 413 are arranged on the side walls of the impact crushing wheels 41, the impact crushing wheels 41 generate eccentric vibration in the rotating process, the impact crushing sliding frame 42 performs reciprocating sliding on the side walls of the impact upright columns 11, the impact crushing wheels 41 perform vibration impact on the surfaces of the coal blocks, and the coal blocks are crushed rapidly under the impact and rotary cutting effects of the impact crushing wheels 41.
For larger coal blocks falling from the outer side of the layer-by-layer diameter-reducing reverse rotation crushing device 21, the layer-by-layer diameter-reducing reverse rotation crushing device 21 cannot effectively crush the coal blocks, the part of the coal blocks falls below the reverse rotation shearing rack 1 and is accumulated above the coal block conveying equipment and is difficult to convey, for the part of the coal blocks, the interactive shearing auxiliary crushing mechanism 3 performs auxiliary crushing on the coal blocks, the reciprocating power motor 312 continuously performs reciprocating reversing operation, the reciprocating power gear 3121 is driven to continuously perform reversing rotation, the reciprocating power gear 3121 drives the reciprocating stirring base 311 to continuously perform reciprocating sliding along the interactive shearing guide rail 33 through the interactive shearing power rack 34, the reciprocating stirring base 311 drives the reciprocating stirring block 313 to move, when the reciprocating stirring block 313 gradually approaches the fixed shearing block 32, the reciprocating stirring block 313 keeps a vertical state under the blocking effect of the stirring force blocking surface 3111 and the blocking effect of the scattered coal blocks, at this time, the reciprocating stirring block 313 can stir the scattered coal blocks to the side of the fixed shearing block 313 to move continuously, the coal blocks 313 respectively enter the fixed shearing block 313, when the reciprocating stirring block 313 moves, the reciprocating stirring block 313, the fixed shearing block 313 and the coal blocks 313 can be prevented from moving again, and the reciprocating stirring block from moving to be prevented from moving away from being separated from the fixed shearing block 313.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should be able to conceive of the present invention without creative design of the similar structural modes and embodiments without departing from the spirit of the present invention, and all such modifications should fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a mine shearer front end multilayer contrary shear crushing equipment that revolves, includes that contrary the garrulous frame of turning round (1), multilayer contrary broken mechanism (2) of turning round, mutual shearing assist crushing mechanism (3) and impact just break mechanism (4), its characterized in that: broken frame (1) inner wall is soon located in contrary knob to multilayer crushing mechanism (2), the supplementary broken mechanism (3) symmetry of mutual shearing is located and is turned round garrulous frame (1) lower wall contrary knob, strike and just broken mechanism (4) symmetry slip and locate the garrulous frame (1) lateral wall in opposite directions of contrary knob, multilayer crushing mechanism (2) of contrary revolving includes successive layer undergauge contrary rotary breaker (21), positive rotary power subassembly (22) and derotation power subassembly (23), successive layer undergauge contrary rotary breaker (21) rotate the joint and locate the garrulous frame (1) inside diapire of contrary knob, positive rotary power subassembly (22) and derotation power subassembly (23) are fixed respectively and locate the garrulous frame (1) inside lateral wall of contrary rotary knob, positive rotary power subassembly (22) and derotation power subassembly (23) are connected with successive layer contrary rotary breaker (21) transmission respectively of undergauge.
2. The multi-layer reverse rotation shearing crushing equipment for the front end of the mine shearer as claimed in claim 1, wherein: mutual supplementary broken mechanism (3) of shearing including reciprocal shearing mechanism (31), fixed shear block (32), mutual shearing guide rail (33) and mutual shearing power rack (34) of stirring, fixed shear block (32) equidistant array distribution is fixed to be located contrary knob garrulous frame (1) lower wall, mutual shearing guide rail (33) symmetric distribution is fixed to be located contrary knob garrulous frame (1) lower wall, mutual shearing power rack (34) are fixed to be located contrary knob garrulous frame (1) lower wall, reciprocal mutual shearing mechanism (31) slip joint of stirring is located on mutual shearing guide rail (33), mutual shearing guide rail (33) are located respectively between fixed shear block (32), mutual shearing power rack (34) are located between mutual shearing guide rail (33).
3. The mining machine front end multilayer counter-rotating shearing crushing device as claimed in claim 2, characterized in that: the successive layer diameter-reducing reverse-rotation crushing device (21) comprises a first rotary crushing ring (211), a second rotary crushing ring (212), a third rotary crushing ring (213), a fourth rotary crushing ring (214) and a fifth rotary crushing ring (215), wherein the first rotary crushing ring (211) is rotatably clamped on the inner upper wall of the reverse-rotation crushing frame (1), the second rotary crushing ring (212) is rotatably clamped on the upper wall of the first rotary crushing ring (211), the third rotary crushing ring (213) is rotatably clamped on the upper wall of the second rotary crushing ring (212), the fourth rotary crushing ring (214) is rotatably clamped on the upper wall of the third rotary crushing ring (213), and the fifth rotary crushing ring (215) is rotatably clamped on the upper wall of the fourth rotary crushing ring (214), the fifth rotary crushing ring (215), the fourth rotary crushing ring (214), the third rotary crushing ring (213), the second rotary crushing ring (212) and the first rotary crushing ring (211) are sequentially and coaxially arranged from top to bottom, the outer diameters of the fifth rotary crushing ring (215), the fourth rotary crushing ring (214), the third rotary crushing ring (213), the second rotary crushing ring (212) and the first rotary crushing ring (211) are the same, the inner diameters of the fifth rotary crushing ring (215), the fourth rotary crushing ring (214), the third rotary crushing ring (213), the second rotary crushing ring (212) and the first rotary crushing ring (211) are sequentially reduced, the circular outer side walls of the fifth rotary crushing ring (215), the fourth rotary crushing ring (214), the third rotary crushing ring (213), the second rotary crushing ring (212) and the first rotary crushing ring (211) are respectively and fixedly provided with an annular rack (216), and the circular inner side walls of the fifth rotary crushing ring (215), the fourth rotary crushing ring (214), the third rotary crushing ring (213), the second rotary crushing ring (212) and the first rotary crushing ring (211) are respectively and fixedly provided with reverse rotation crushing teeth (217) in an annular array mode.
4. The mining machine front end multilayer counter-rotating shearing crushing device as claimed in claim 3, characterized in that: forward power subassembly (22) includes positive motor (221) and positive power shaft (222), positive motor (221) are fixed to be located and are turned round the inside upper wall of frame (1) reversely, positive power shaft (222) rotate locate and turn round the inside lateral wall of frame (1) reversely, positive power shaft (222) and positive motor (221) output coaxial fixed connection, the equidistant array of positive power shaft (222) circumference lateral wall is fixed and is equipped with positive power gear (2221), positive power gear (2221) respectively with positive power shaft (222) coaxial setting, positive power gear (2221) mesh with annular rack (216) of fifth rotatory broken ring (215), third rotatory broken ring (213) and first rotatory broken ring (211) lateral wall respectively.
5. The multi-layer reverse rotation shearing crushing equipment for the front end of the mine shearer as claimed in claim 4, wherein: derotation power component (23) includes derotation motor (231) and derotation power axle (232), derotation motor (231) are fixed to be located and are derotated garrulous frame (1) inside upper wall, derotation power axle (232) are rotated and are located and are derotated garrulous frame (1) inside lateral wall, derotation power axle (232) and the coaxial fixed connection of derotation motor (231) output, derotation power axle (232) circumference lateral wall is equidistant array and is fixed and is equipped with derotation power gear (2321), derotation power gear (2321) respectively with the coaxial setting of derotation power axle (232), derotation power gear (2321) meshes with annular rack (216) of fourth rotatory broken ring (214) and second rotatory broken ring (212) lateral wall respectively.
6. The multi-deck reverse rotation shearing crushing device for the front end of the mine shearer as claimed in claim 5, wherein: reciprocal shearing mechanism of stirring (31) is including reciprocal base (311), reciprocal driving motor (312) of stirring and reciprocal shear block (313) of stirring, reciprocal stirring base (311) slip joint is located mutual shear guide rail (33) lower wall, reciprocal driving motor (312) are fixed to be located reciprocal stirring base (311) upper wall, reciprocal stirring shear block (313) symmetric distribution rotates respectively to be located reciprocal stirring base (311) and is close to the lateral wall of fixed shear block (32), reciprocal stirring base (311) lateral wall is equipped with stirring power and blocks face (3111), reciprocal driving motor (312) output coaxial fixation is equipped with reciprocal power gear (3121), reciprocal power gear (3121) and mutual shear power rack (34) meshing, reciprocal stirring shear block (313) is close to the lateral wall of fixed shear block (32) and is equipped with shearing power inclined plane (3131).
7. The mining machine front end multilayer counter-rotating shearing crushing device as claimed in claim 6, characterized in that: the side wall of the fixed shear block (32) close to the reciprocating toggle shear block (313) is provided with a fixed shear inclined surface (321), and the moving directions of the reciprocating toggle shear block (313) point to the space between the adjacent fixed shear blocks (32) respectively.
8. The multi-deck reverse rotation shearing crushing device for the front end of the mine shearer as claimed in claim 7, wherein: strike broken mechanism (4) including strikeing broken wheel (41) and strike broken carriage (42), strike broken carriage (42) and slide respectively and locate contrary knob garrulous frame (1) lateral wall in opposite directions, strike broken wheel (41) and rotate respectively and locate and strike broken carriage (42) lateral wall, strike broken wheel (41) circumference lateral wall array distribution and fix and be equipped with and strike broken tooth (411), strike broken wheel (41) lateral wall and run through and be equipped with and strike eccentric orfice (412), strike broken wheel (41) lateral wall and fix and be equipped with and strike eccentric weight-increasing rod (413).
9. The multi-deck reverse rotation shearing crushing device for the front end of the mine shearer as claimed in claim 8, wherein: the impact crushing sliding frame (42) side wall is fixedly provided with an impact crushing motor (421), and the output end of the impact crushing motor (421) is coaxially and fixedly connected with the impact crushing wheel (41).
10. The multi-deck reverse rotation shearing crushing device for the front end of the mine shearer as claimed in claim 9, wherein: the fixed impact stand column (11) that is equipped with of contrary knob garrulous frame (1) upper wall edge symmetry, impact broken carriage (42) and slide respectively and locate and strike stand column (11) lateral wall, the fixed connecting rod (12) that is equipped with of contrary knob garrulous frame (1) lateral wall, contrary knob garrulous frame (1) lower wall middle part is run through and is equipped with discharge opening (13), discharge opening (13) are located under first rotatory broken ring (211).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211003088.3A CN115318411B (en) | 2022-08-22 | 2022-08-22 | Mine coal-winning machine front end multilayer counter-rotating shearing crushing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211003088.3A CN115318411B (en) | 2022-08-22 | 2022-08-22 | Mine coal-winning machine front end multilayer counter-rotating shearing crushing equipment |
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| CN115318411B CN115318411B (en) | 2023-06-06 |
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| JP2008207113A (en) * | 2007-02-27 | 2008-09-11 | Teraoka Seiko Co Ltd | Garbage disposal apparatus |
| CN208004101U (en) * | 2017-12-29 | 2018-10-26 | 中国建筑第七工程局有限公司 | A kind of construction waste crusher |
| CN111822091A (en) * | 2020-07-15 | 2020-10-27 | 阴文慧 | Grinder for bio-pharmaceuticals with multilayer separation purification function |
| CN112121887A (en) * | 2020-09-16 | 2020-12-25 | 高全杰 | Reciprocating type crushing processingequipment of ore |
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2022
- 2022-08-22 CN CN202211003088.3A patent/CN115318411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008207113A (en) * | 2007-02-27 | 2008-09-11 | Teraoka Seiko Co Ltd | Garbage disposal apparatus |
| CN208004101U (en) * | 2017-12-29 | 2018-10-26 | 中国建筑第七工程局有限公司 | A kind of construction waste crusher |
| CN111822091A (en) * | 2020-07-15 | 2020-10-27 | 阴文慧 | Grinder for bio-pharmaceuticals with multilayer separation purification function |
| CN112121887A (en) * | 2020-09-16 | 2020-12-25 | 高全杰 | Reciprocating type crushing processingequipment of ore |
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| CN115318411B (en) | 2023-06-06 |
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