CN110961184A - Self-lubricating bearing and stone crushing device using same - Google Patents
Self-lubricating bearing and stone crushing device using same Download PDFInfo
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- CN110961184A CN110961184A CN201911256277.XA CN201911256277A CN110961184A CN 110961184 A CN110961184 A CN 110961184A CN 201911256277 A CN201911256277 A CN 201911256277A CN 110961184 A CN110961184 A CN 110961184A
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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
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/40—Adding fluid, other than for crushing or disintegrating by fluid energy with more than one means for adding fluid to the material being crushed or disintegrated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Abstract
The invention discloses a self-lubricating bearing and a stone crushing device applied by the same, which comprise a first shaft sleeve and a second shaft sleeve which are sleeved on a rotating shaft, wherein the inner walls of the first shaft sleeve and the second shaft sleeve are in clearance fit with the outer side wall of the rotating shaft; the outer sides of the first shaft sleeve and the second shaft sleeve are sleeved with a base, and the inner wall of the base is hermetically connected with the outer side walls of the first shaft sleeve and the second shaft sleeve; be equipped with the annular cavity between first axle sleeve and the second axle sleeve, the annular cavity in be equipped with the oil storage piece of making with flexible cellular material, the outer wall laminating of oil storage piece and pivot for lubricate the lateral wall of pivot. This self-lubricating bearing can be to the pivot self-lubricate, reduces the frictional force of pivot, reduces the heat that the pivot produced when high-speed rotating, avoids the pivot to damage, and uses this self-lubricating bearing's building stones breaker crushing efficiency height.
Description
Technical Field
The invention relates to the technical field of stone crushing, in particular to a self-lubricating bearing and a stone crushing device applying the same.
Background
Stone is one of indispensable materials in the fields of building engineering, road construction, chemical engineering and the like. The stone is generally collected by a quarrying machine and then crushed into a size suitable for the size of the stone, so that the stone can be used by people. The crushing process of the stone materials generally comprises the steps of uniformly feeding the stone materials into a coarse crusher by a feeder to perform primary crushing, then conveying the produced coarse materials to the crusher by a rubber belt conveyor, further crushing by the crusher, screening the finely crushed stone materials into stones with different specifications by a vibrating screen, and feeding the returned stones which do not meet the requirement of granularity into the crusher to perform secondary crushing.
The stone crushing device in the prior art generally adopts two grinding wheels to extrude each other to crush stones, for example, a patent application with a publication number of CN209188883U and a name of a grinding wheel structure for lifting broken stones of a stone crusher is disclosed on a national intellectual property website, and comprises that two symmetrical brackets are arranged on a base of the grinding wheel structure, slide rails are respectively arranged on the inner sides of the two brackets and are used for being embedded into slide grooves arranged on two slide blocks, so that the two slide blocks can respectively move on the slide rails and are positioned on the two slide rails of the two corresponding brackets; the slide block is provided with a shaft hole, a bearing is arranged on the shaft hole, a rotating shaft of the grinding wheel penetrates through the shaft hole, adjusting rods are respectively arranged on the end surfaces of the two slide blocks, one end of each adjusting rod is respectively pivoted on the side surfaces of the two slide blocks, the other end of each adjusting rod penetrates through two supporting columns of the two supports through a supporting rod, a positioning rod is respectively fixed on the upper side and the lower side of each adjusting rod, the two positioning rods are respectively sleeved with a spring, the two positioning rods respectively penetrate through the supporting rods, and the springs respectively push the end surfaces of the two supporting rods; the two rotating shafts of the other grinding wheel are arranged on the sliding blocks at the other two sides in a penetrating way; the adjusting rod rotates to control the slide block to move forwards and backwards so as to control the space between the grinding wheel and the other grinding wheel; the two grinding wheels are provided with arc convex ribs which are arranged at intervals, the two grinding wheels are mutually matched, so that the valley peaks and the valley bottoms of the arc convex ribs of the grinding wheels are mutually matched, when stones are pressed and squeezed by grinding, the springs are pushed, the sliding blocks slide back and forth through the positioning rods at the two sides and respectively push the two springs, and the grinding wheels have buffering crushing force on the stones; one side of the two grinding wheels is linked with the rotating shaft by a gear set and a chain respectively and is arranged on two transmission shafts of two motors respectively, so that the two grinding wheels are driven by the two motors respectively to avoid the damage of the rotating shaft; the arc convex ribs arranged on at least one of the two grinding wheels are respectively provided with a notch groove on each arc convex rib in an axial straight line to form notch grooves, and the top ends of the notch grooves are respectively provided with a vertex angle to improve the biting force on stones. The stone crusher with the structure utilizes the rolling of the two rolling wheels and the slot on the rolling wheels to realize the crushing and feeding of stones. The crushing force on the stones is improved by utilizing the notches on the grinding wheel, but the distance between the notches on the grinding wheel is larger, so that the crushing efficiency is lower; if the crushing efficiency of the grinding wheel is to be improved, the rotating speed of the grinding wheel is increased, the rotating shaft of the grinding wheel is increased to generate a large amount of heat under high-speed rotation, the rotating shaft of the grinding wheel is damaged, and the crusher cannot meet the requirement of long-time operation because the crusher has to be stopped and cooled during a period of operation. Moreover, this breaker can not extrude the building stones and stir, and the building stones is difficult for getting into the grinding wheel and rolls, and consequently this stone crusher work efficiency is lower, can not satisfy people's demand. In addition, a large amount of dust is generated in the process of crushing stone materials, so that air pollution is caused, and the dust is sucked by operators to damage the health of the operators.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provide a self-lubricating bearing which can automatically lubricate a rotating shaft, reduce the friction force of the rotating shaft, reduce the heat generated by the rotating shaft in high-speed rotation and avoid the damage of the rotating shaft.
The technical scheme of the invention is to provide a self-lubricating bearing with the following structure: the device comprises a first shaft sleeve and a second shaft sleeve which are sleeved on a rotating shaft, wherein the inner walls of the first shaft sleeve and the second shaft sleeve are in clearance fit with the outer side wall of the rotating shaft; the outer sides of the first shaft sleeve and the second shaft sleeve are sleeved with a base, and the inner wall of the base is hermetically connected with the outer side walls of the first shaft sleeve and the second shaft sleeve; be equipped with the annular cavity between first axle sleeve and the second axle sleeve, the annular cavity in be equipped with the oil storage piece of making with flexible cellular material, the outer wall laminating of oil storage piece and pivot for lubricate the lateral wall of pivot.
As an improvement, an oil storage chamber is connected to the outer side wall of the base, a plurality of oil ducts for communicating the annular cavity with the oil storage chamber are arranged on the base, and the aperture size of one end, close to the oil storage chamber, of each oil duct is larger than the aperture size of one end, close to the annular cavity, of each oil duct.
After adopting the structure, compared with the prior art, the self-lubricating bearing has the following advantages: the self-lubricating bearing adopts clearance fit between the first shaft sleeve and the second shaft sleeve and the rotating shaft to support the rotation of the rotating shaft, and the annular cavity is arranged between the first shaft sleeve and the second shaft sleeve, so that the contact area between the bearing and the rotating shaft is reduced, the friction force when the rotating shaft rotates is reduced, and the arrangement of the annular cavity is favorable for heat dissipation of the rotating shaft when the rotating shaft rotates at high speed; the arrangement of the oil storage block made of the flexible microporous material in the annular cavity can store certain lubricating oil which can lubricate the inner walls of the first shaft sleeve and the second shaft sleeve, so that the friction force of the rotating shaft during rotation is further reduced, and the friction damage of the rotating shaft is avoided; in addition, the bearing of the rotating shaft is large when the rotating shaft rotates, and the bearing of the rotating shaft when the rotating shaft rotates is ensured by the design of the first shaft sleeve and the second shaft sleeve of the self-lubricating bearing; moreover, the oil storage chamber is convenient for operators to fill lubricating oil, the lubricating oil in the oil storage chamber can enter the annular cavity through the oil duct and can be used for filling oil to the oil storage block in the annular cavity, and the oil storage block is prevented from drying and caking; the oil duct is set to be larger than the aperture size of one end of the oil duct close to the oil storage chamber, so that under the action of negative pressure in the oil duct, lubricating oil in the oil storage chamber can only flow into the annular cavity from the oil duct along a single direction, and the lubricating oil in the annular cavity cannot flow back into the oil storage chamber, so that the lubricating oil in the oil storage chamber is prevented from being polluted and blocking the oil duct.
Another technical solution of the present invention is to provide a stone crushing apparatus having the following structure: it comprises
The device comprises a rack and a hopper connected to the rack;
the supporting seat is fixedly connected to the rack and provided with an annular cavity;
the rolling wheel mechanism is rotatably connected to the inner wall of the annular cavity; the pressing wheel mechanism is driven to rotate by a pressing wheel motor, a rotating shaft of the pressing wheel mechanism is rotatably connected to the rack through a bearing, and the pressing wheel mechanism is positioned in the center of the annular cavity;
the crushing channel is arranged between the inner wall of the rolling wheel mechanism and the outer side wall of the pressing wheel mechanism and is in a conical arrangement with a wide upper part and a narrow lower part, the upper end of the crushing channel is provided with a feed inlet, the feed inlet is communicated with the lower end of the hopper, and the lower end of the crushing channel is provided with a discharge outlet;
the bearing on the rotating shaft of the pressing wheel mechanism adopts the self-lubricating bearing according to any one of the technical schemes.
Preferably, the device also comprises a roller positioned in the hopper, the roller is hollow and is connected with the upper end of the pinch roller mechanism and synchronously rotates along with the pinch roller mechanism, an inner cavity for accommodating water is arranged in the roller, and a water through hole communicated with the inner cavity is arranged on the side wall of the roller; the hopper is internally provided with a water tank, the water tank is internally provided with a water pump and a water storage space, the water outlet end of the water pump is communicated with the water storage space, the bottom of the water storage space is provided with a water inlet mechanism, and the water inlet mechanism is communicated with the inner cavity of the roller and used for supplying water to the inner cavity of the roller.
Preferably, the outer side wall of the water tank is connected with the inner wall of the hopper through a connecting rod; a partition board is arranged in the water tank, the water tank is divided into an equipment space and a water storage space by the partition board from top to bottom, the water pump is connected in the equipment space, and a water outlet pipe of the water pump penetrates through the partition board and is arranged in the water storage space; a water level monitoring cavity is arranged in the water storage space, and the lower end of the water level monitoring cavity is communicated with the water storage space; the water level monitoring cavity is internally provided with a float in clearance fit, the float can slide along the height direction of the water level monitoring cavity, a partition plate at the top of the water level monitoring cavity is connected with a micro switch contacted by the top of the float, and the micro switch is electrically connected with a control circuit of the water pump.
Preferably, a water injection hole is formed in the bottom of the water storage space, a one-way valve is matched in the water injection hole in a sealing mode, and the lower end of the one-way valve is connected with a water injection pipe; the top center of cylinder is equipped with a through-hole that is linked together with the inner chamber of cylinder, the lower extreme of water injection pipe passes the through-hole and is located the inner chamber of cylinder, and the water injection pipe passes through the inner wall rotatable coupling of third bearing and through-hole.
Preferably, the roller mechanism comprises an annular base which is rotatably connected to the inner wall of the annular cavity, the inner peripheral wall of the annular base is connected with a plurality of rollers which are axially distributed along the annular base and synchronously rotate with the annular base, the rollers are distributed in a step shape from top to bottom, and the inner diameter of the roller at the upper end is larger than that of the roller at the lower end; the pinch roller mechanism comprises a rotating shaft which is rotatably connected to the center of the annular cavity, a plurality of pinch rollers which are distributed along the axial direction of the rotating shaft are connected to the rotating shaft, the outer circumferential wall of each pinch roller is set to be a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the upper pinch roller of each two adjacent pinch rollers is larger than that of the top of the lower pinch roller.
Preferably, the outer side wall of the drum is provided with a taper with a large upper part and a small lower part, the outer circumferential wall of the drum is provided with a spiral pressing tooth protruding outwards and extending along the height direction of the drum, and the outer side wall of the spiral pressing tooth is provided with a slope with a high upper part and a low lower part.
Preferably, a plurality of grooves which are arranged along the circumferential direction and are concave inwards are distributed on the inner circumferential wall of each grinding wheel, and a plurality of convex columns which are arranged along the circumferential direction and are convex outwards are distributed on the outer circumferential wall of each pressing wheel.
Preferably, the supporting seat comprises an upper seat and a lower seat, the upper seat is fixedly connected to the top of the lower seat, a containing groove is formed between the upper seat and the lower seat, a radially outward convex wall matched with the containing groove is arranged on the outer circumferential wall of the annular base, and the convex wall is in clearance fit in the containing groove.
After adopting the structure, compared with the prior art, the stone crushing device has the following advantages:
1. the self-lubricating bearing and the stone crushing device using the same realize crushing of stones by matching the rolling wheel mechanism and the pressing wheel mechanism, the rolling wheel mechanism rotates under the driving of the rolling wheel motor, and the pressing wheel mechanism rotates under the driving of the pressing wheel motor, so that stones in a crushing channel are in a rotary extrusion state, the stones are easy to roll, the stones can be crushed in all directions and at multiple angles, and the crushing efficiency is high; in addition, the setting of cylinder and water tank, water pump in the water tank can be taken out water to the water storage space in, the inner chamber of the interior water of this water storage space internal storage gets into the cylinder through mechanism of intaking, the inner chamber that makes the cylinder holds a quantitative water, this water yield is the two-thirds of cylinder inner chamber height generally, and because the setting of limbers on the cylinder lateral wall, make the cylinder when along with pinch roller mechanism synchronous rotation, the water of inner chamber flows from the limbers under the effect of centrifugal force, the water that flows is unrestrained on the building stones, avoid the building stones to produce a large amount of raise dusts when the breakage like this, avoid the raise dusts to be inhaled by the staff.
2. The bottom of the water level monitoring cavity can be used for water in the water storage space to flow in, when the water pump supplies water to the water storage space, the water in the water storage space flows into the water level monitoring cavity, so that a floater in the water level monitoring cavity rises under the buoyancy of the water, and when the floater rises to be abutted against a micro switch above the floater, the micro switch is started to turn off a working circuit of the boiling water pump; the water level monitoring cavity, the floater and the microswitch are arranged to effectively control the water level in the water storage space; the one-way valve in the water storage space is opened under the condition that the water pressure in the water storage space is higher, so that the water in the water storage space flows into the inner cavity of the roller through the one-way valve and the water injection pipe to realize the supply of the water in the roller, and when the water pressure in the roller is equal to the water pressure in the water storage space, the one-way valve is closed. The water tank is arranged to realize real-time supply of water in the roller, so that dust is effectively prevented from flying when stones are crushed by the grinding wheel mechanism and the pressing wheel mechanism.
3. The grinding wheels are distributed in a ladder shape from top to bottom, the inner diameter of the grinding wheel at the upper end is larger than that of the grinding wheel at the lower end, the outer circumferential wall of each pressing wheel is set to be a conical surface with a small upper part and a large lower part, the bottom diameter of the pressing wheel above two adjacent pressing wheels is larger than that of the pressing wheel at the lower part, and the crushing channel is arranged in a shape of a cone with a wide upper part and a narrow lower part.
4. The arrangement of the groove on the inner peripheral wall of the grinding wheel and the convex column on the outer peripheral wall of the pressing wheel further increases the friction force or the biting force of the grinding wheel and the pressing wheel on the stone, so that the crushing efficiency of the stone is higher; the sliding fit of a containing groove formed between the upper seat and the lower seat of the supporting seat and the convex wall on the outer circumferential wall of the annular base further improves the rotation stability of the roller mechanism.
5. The drum is arranged in a conical manner, the outer circumference wall of the drum is provided with a spiral pressing tooth which protrudes outwards and extends along the height direction of the drum, and when the drum and the pressing wheel mechanism rotate synchronously, the spiral pressing tooth can apply downward acting force on stone in the hopper, so that the stone is driven to enter the crushing channel, and the crushing efficiency of the stone is improved.
Drawings
Fig. 1 is a schematic structural view of a self-lubricating bearing of the present invention.
Fig. 2 is a schematic structural view of a stone crushing apparatus according to the present invention.
Fig. 3 is a schematic view showing the internal structure of a water tank of a self rock crushing apparatus according to the present invention.
Fig. 4 is a schematic view showing a connection structure of a grinding wheel mechanism and a pressing wheel mechanism of a stone crushing device according to the present invention.
Fig. 5 is a schematic view showing the construction of a drum of a stone crushing apparatus according to the present invention.
Fig. 6 is an enlarged view of a portion a of the stone crushing apparatus of the present invention in fig. 2.
As shown in the figure:
1. frame, 100, hopper, 2, support base, 200, upper base, 201, lower base, 202, first annular groove, 203, accommodation groove, 204, annular cavity, 3, roller mechanism, 300, annular base, 301, roller, 302, groove, 303, second annular groove, 304, ball, 305, convex wall, 306, annular gear ring, 307, conical surface, 308, roller motor, 4, rotating shaft, 400, roller motor, 5, roller mechanism, 500, roller, 501, convex column, 6, crushing channel, 600, feed inlet, 601, discharge outlet, 7, roller, 700, inner cavity, 701, spiral pressing tooth, 702, inclined plane, 703, water through hole, 704, through hole, third bearing, 8, water tank, 800, partition, 801, equipment space, 802, 705, 803, water level monitoring cavity, 804, connecting rod, 805, water storage hole, 806, float, 807, microswitch, 808, water flow channel, 809. the water injection hole, 810, check valve, 811, water injection pipe, 9, water pump, 900, outlet pipe, 901, drinking-water pipe, 10, first axle sleeve, 1000, second axle sleeve, 1001, base, 1002, annular cavity, 1003, hold up oil piece, 1004, oil duct, 1005, oil storage chamber, 1006, top cap, 1007, radial protruding wall, 1008, sealing washer.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1;
the invention relates to a self-lubricating bearing which comprises a first shaft sleeve 10 and a second shaft sleeve 1000, wherein the first shaft sleeve 10 and the second shaft sleeve 1000 are sleeved on a rotating shaft 4, and the inner walls of the first shaft sleeve 10 and the second shaft sleeve 1000 are in clearance fit with the outer side wall of the rotating shaft 4; the outer sides of the first shaft sleeve 10 and the second shaft sleeve 1000 are sleeved with a base 1001, and the inner wall of the base 1001 is hermetically connected with the outer side walls of the first shaft sleeve 10 and the second shaft sleeve 1000; an annular cavity 1002 is arranged between the first shaft sleeve 10 and the second shaft sleeve 1000, an oil storage block 1003 made of a flexible microporous material is arranged in the annular cavity 1002, and the oil storage block 1003 is attached to the outer side wall of the rotating shaft 4 and used for lubricating the outer side wall of the rotating shaft 4; the oil storage block 1003 is made of sponge or felt. An oil chamber 1005 is connected to an outer side wall of the base 1001, and a top cover 1006 is connected to a top of the oil chamber 1005, and the top cover 1006 is used for opening or closing the oil chamber 1005. The base 1001 is provided with a plurality of oil passages 1004 which are communicated with the annular cavity 1002 and the oil storage chamber 1005, and the aperture size of one end of each oil passage 1004 close to the oil storage chamber 1005 is larger than that of one end of each oil passage 1004 close to the annular cavity 1002. Two radial convex walls 1007 are arranged on the rotating shafts at the outer ends of the first shaft sleeve 10 and the second shaft sleeve 1000, the radial convex wall 1007 close to the first shaft sleeve 10 is sealed with the first shaft sleeve 10 through a sealing ring 1008, and the radial convex wall 1007 close to the second shaft sleeve 1000 is sealed with the second shaft sleeve 1000 through the sealing ring 1008. This arrangement avoids the overflow of lubricating oil.
The self-lubricating bearing adopts clearance fit between the first shaft sleeve 10 and the second shaft sleeve 1000 and the rotating shaft 4 to support the rotating of the rotating shaft 4, and the annular cavity 1002 is arranged between the first shaft sleeve 10 and the second shaft sleeve 1000, so that the contact area between the bearing and the rotating shaft 4 is reduced, the friction force when the rotating shaft rotates is reduced, and the arrangement of the annular cavity is favorable for heat dissipation of the rotating shaft when the rotating shaft rotates at high speed; the arrangement of the oil storage block made of the flexible microporous material in the annular cavity can store certain lubricating oil which can lubricate the inner walls of the first shaft sleeve and the second shaft sleeve, so that the friction force of the rotating shaft during rotation is further reduced, and the friction damage of the rotating shaft is avoided; in addition, the bearing of the rotating shaft is large when the rotating shaft rotates, and the bearing of the rotating shaft when the rotating shaft rotates is ensured by the design of the first shaft sleeve and the second shaft sleeve of the self-lubricating bearing; moreover, the oil storage chamber is convenient for operators to fill lubricating oil, the lubricating oil in the oil storage chamber can enter the annular cavity through the oil duct and can be used for filling oil to the oil storage block in the annular cavity, and the oil storage block is prevented from drying and caking; the oil duct is set to be larger than the aperture size of one end of the oil duct close to the oil storage chamber, so that under the action of negative pressure in the oil duct, lubricating oil in the oil storage chamber can only flow into the annular cavity from the oil duct along a single direction, and the lubricating oil in the annular cavity cannot flow back into the oil storage chamber, so that the lubricating oil in the oil storage chamber is prevented from being polluted and blocking the oil duct.
See fig. 2-6;
the invention relates to a stone crushing device, which comprises a frame 1 and a hopper 100 connected to the frame 1; the supporting seat 2 is fixedly connected to the frame 1, and the supporting seat 2 is provided with an annular cavity 204; the supporting seat 2 comprises an upper seat 200 and a lower seat 201, the upper seat 200 is fixedly connected to the top of the lower seat 201, and an accommodating groove 203 is formed between the upper seat 200 and the lower seat 201; the outer circumferential wall of the annular base 300 is provided with a radially outward convex wall 305 matching with the receiving groove 203, and the convex wall 305 is in clearance fit in the receiving groove 203. Be equipped with on the internal perisporium of supporting seat 2 along first ring channel 202 that supporting seat 2 circumference set up, be equipped with the second ring channel 303 that sets up along ring base 300 circumference on the periphery wall of ring base 300, first ring channel 202 and second ring channel 303 opening relative closed lubrication groove that forms, the lubrication groove in be equipped with many balls 304.
The roller mechanism 3 and a roller motor 308 for driving the roller mechanism 3 to rotate, wherein the roller mechanism 3 is rotatably connected to the inner wall of the annular cavity 204; the pressing wheel mechanism 5 and the pressing wheel motor 400 driving the pressing wheel mechanism 5 to rotate, the rotating shaft of the pressing wheel mechanism 5 is rotatably connected to the rack 1 through a bearing, and the pressing wheel mechanism 5 is positioned in the center of the annular cavity 204; the bearing on the rotating shaft 4 of the pressing wheel mechanism 5 adopts a self-lubricating bearing according to any one of the technical schemes.
The roller mechanism 3 comprises an annular base 300 which is rotatably connected to the inner wall of the annular cavity 204, the inner peripheral wall of the annular base 300 is connected with a plurality of rollers 301 which are axially distributed along the annular base 300 and synchronously rotate with the annular base 300, the rollers 301 are distributed in a step shape from top to bottom, and the inner diameter of the roller 301 at the upper end is larger than that of the roller at the lower end; the pinch roller mechanism 5 comprises a rotating shaft 4 which is rotatably connected to the center of the annular cavity, the rotating shaft 4 is connected with a plurality of pinch rollers 500 which are axially distributed along the rotating shaft 4, the outer circumferential wall of each pinch roller 500 is set to be a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the upper pinch roller of each two adjacent pinch rollers 500 is larger than that of the top of the lower pinch roller.
The grinding wheel motor 308 is connected to the frame 1, is in transmission connection with the annular base 300, and is used for driving the annular base 300 to rotate; an annular gear ring 306 is connected to the outer peripheral wall of the lower end of the annular base 300. And a rotating shaft of the grinding wheel motor is connected with a driving gear, and the driving gear is meshed with the annular gear ring. Pinch roller motor 400 is connected on frame 1, and pinch roller motor 400's drive shaft and pinch roller mechanism 5's pivot 4 transmission are connected for the pivot 4 rotation of drive pinch roller mechanism 5.
The crushing channel 6 is arranged between the inner wall of the grinding wheel mechanism 3 and the outer side wall of the pressing wheel mechanism 5 and is in a tapered shape with a wide upper part and a narrow lower part, the upper end of the crushing channel 6 is provided with a feeding hole 600, and the lower end of the crushing channel 6 is provided with a discharging hole 601. The inner wall of the inner hole at the lower end of the annular base 300 is provided with a conical surface 307 with a small upper part and a big lower part, and the upper end of the conical surface 307 is communicated with the lower end of the discharge hole 601.
Referring to fig. 3, the stone crushing device further comprises a roller 7 located in the hopper 100, the roller 7 is hollow and connected with the upper end of the pressing wheel mechanism 5 and rotates synchronously with the pressing wheel mechanism 5, an inner cavity 700 for accommodating water is arranged in the roller 7, and a water through hole 703 communicated with the inner cavity 700 is arranged on the side wall of the roller 7; the water supply device is characterized in that a water tank 8 is arranged in the hopper 100, a water pump 9 and a water storage space 802 are arranged in the water tank 8, the water outlet end of the water pump 9 is communicated with the water storage space 802, a water inlet mechanism is arranged at the bottom of the water storage space 802, and the water inlet mechanism is communicated with an inner cavity 700 of the roller 7 and used for supplying water to the inner cavity 700 of the roller 7.
The outer side wall of the water tank 8 is connected with the inner wall of the hopper 100 through a connecting rod 804; a partition plate 800 is arranged in the water tank 8, the water tank 8 is divided into an equipment space 801 and a water storage space 802 by the partition plate 800 from top to bottom, the water pump 9 is connected in the equipment space 801, and a water outlet pipe 900 of the water pump 9 is arranged in the water storage space 802 through a mounting hole 805 on the partition plate 800; a water level monitoring cavity 803 is arranged in the water storage space 802, and the lower end of the water level monitoring cavity 803 is communicated with the water storage space 802 through a water flow channel 808; a floater 806 is in clearance fit with the water level monitoring cavity 803, the floater 806 can slide along the height direction of the water level monitoring cavity 803, a micro switch 807 contacted with the top of the floater 806 is connected to the partition 800 at the top of the water level monitoring cavity 803, and the micro switch 807 is electrically connected with a control circuit of the water pump 9. A water injection hole 809 is formed in the bottom of the water storage space 802, a one-way valve 810 is hermetically matched in the water injection hole 809, and the lower end of the one-way valve 810 is connected with a water injection pipe 811; the top center of the roller 7 is provided with a through hole 704 communicated with the inner cavity 700 of the roller 7, the lower end of the water injection pipe 809 penetrates through the through hole 704 and is positioned in the inner cavity 700 of the roller 7, and the water injection pipe 811 is rotatably connected with the inner wall of the through hole 704 through a third bearing 705.
The water stored in the water storage space 802 enters the inner cavity 700 of the roller 7 through the water inlet mechanism, so that the inner cavity 700 of the roller 7 contains a certain amount of water, the water amount is generally two thirds of the height of the inner cavity 700 of the roller 7, and due to the arrangement of the water through hole 703 on the side wall of the roller 7, when the roller 7 synchronously rotates along with the pressing wheel mechanism 5, the water in the inner cavity 700 flows out from the water through hole 703 under the action of centrifugal force, the flowing water is sprinkled on stone, thus, the stone is prevented from generating a large amount of dust when being broken, and the dust is prevented from being sucked by workers. The bottom of the water level monitoring cavity 803 can be used for water in the water storage space 802 to flow in, when the water pump 9 utilizes the water pumping pipe 901 to supply water in the water storage space 802, the water in the water storage space 802 flows into the water level monitoring cavity 803, so that the floater 806 in the water level monitoring cavity 803 rises under the buoyancy of the water, and when the floater 806 rises to be abutted against the micro switch 807 above, the micro switch is started to turn off the working circuit of the water pump; the water level monitoring cavity, the floater and the microswitch are arranged to effectively control the water level in the water storage space; the one-way valve in the water storage space is opened under the condition that the water pressure in the water storage space is higher, so that the water in the water storage space flows into the inner cavity of the roller through the one-way valve and the water injection pipe to realize the supply of the water in the roller, and when the water pressure in the roller is equal to the water pressure in the water storage space, the one-way valve is closed. The water tank is arranged to realize real-time supply of water in the roller, so that dust is effectively prevented from flying when stones are crushed by the grinding wheel mechanism and the pressing wheel mechanism.
The stone crushing device realizes crushing of stones by matching the grinding wheel mechanism 3 and the pressing wheel mechanism 5, the grinding wheel mechanism 3 rotates under the driving of the grinding wheel motor 308, and the pressing wheel mechanism 5 rotates under the driving of the pressing wheel motor 400, so that stones in a crushing channel are in a rotary extrusion state, the stones are easy to roll, the stones can be crushed in all directions and at multiple angles, and the crushing efficiency is high; the grinding wheels are distributed in a ladder shape from top to bottom, the inner diameter of the grinding wheel at the upper end is larger than that of the grinding wheel at the lower end, the outer circumferential wall of each pressing wheel is set to be a conical surface with a small upper part and a large lower part, the bottom diameter of the pressing wheel above two adjacent pressing wheels is larger than that of the pressing wheel at the lower part, and the crushing channel is arranged in a shape of a cone with a wide upper part and a narrow lower part.
Referring to fig. 4 again, a plurality of circumferentially arranged and inwardly concave grooves 302 are distributed on the inner circumferential wall of each rolling wheel 301, and a plurality of circumferentially arranged and outwardly convex pillars 501 are distributed on the outer circumferential wall of each pressing wheel 500. The arrangement of the grooves 302 on the inner circumferential wall of the rolling wheel 301 and the convex columns 501 on the outer circumferential wall of the pressing wheel 500 further increases the friction or biting force of the rolling wheel 301 and the pressing wheel 500 on the stone, so that the crushing efficiency of the stone is higher.
Referring to fig. 2 to 6; the top of the rack 1 is connected with a hopper 100 and a roller 7 positioned in the hopper 100, the roller 7 is hollow and is connected with the upper end of the pressing wheel mechanism 5 and synchronously rotates along with the pressing wheel mechanism 5, an inner cavity 700 for accommodating water is arranged in the roller 7, and a water through hole 703 communicated with the inner cavity 700 is arranged on the side wall of the roller 7; the lower end of the hopper 100 is communicated with a feeding hole 600 of the crushing channel 6; the outer circumferential wall of the drum 7 is provided with a spiral pressing tooth 701 protruding outwards and extending along the height direction of the drum 7. An inner cavity 700 for accommodating water is arranged in the roller 7, and a water through hole 703 communicated with the inner cavity 700 is arranged on the side wall of the roller 7. The outer side wall of the spiral pressing tooth 701 is provided with a slope 702 with high and low positions. The top of the pressing wheel mechanism 5 is connected with a roller 7 which is conical in size and hollow inside, and the outer circumferential wall of the roller 7 is provided with a spiral pressing tooth 701 which protrudes outwards and extends along the height direction of the roller 7. The inner chamber of cylinder can supply water and hold, and the setting of the limbers on the cylinder lateral wall makes the cylinder when rotating, and the water of inner chamber flows from the limbers under the effect of centrifugal force, and the water that flows is unrestrained on the building stones, avoids the building stones to produce a large amount of raise dusts when broken like this, avoids the raise dusts to be inhaled by the staff.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A self-lubricating bearing characterized in that: the device comprises a first shaft sleeve and a second shaft sleeve which are sleeved on a rotating shaft, wherein the inner walls of the first shaft sleeve and the second shaft sleeve are in clearance fit with the outer side wall of the rotating shaft; the outer sides of the first shaft sleeve and the second shaft sleeve are sleeved with a base, and the inner wall of the base is hermetically connected with the outer side walls of the first shaft sleeve and the second shaft sleeve; be equipped with the annular cavity between first axle sleeve and the second axle sleeve, the annular cavity in be equipped with the oil storage piece of making with flexible cellular material, the outer wall laminating of oil storage piece and pivot for lubricate the lateral wall of pivot.
2. A self-lubricating bearing according to claim 1, wherein: connect an oil storage chamber on the lateral wall of base, be equipped with the oil duct of a plurality of intercommunication toroidal cavity and oil storage chamber on the base, the aperture size that the oil duct is close to oil storage chamber one end is greater than the aperture size that the oil duct is close to toroidal cavity one end.
3. A stone crushing device is characterized in that: it comprises
The device comprises a rack and a hopper connected to the rack;
the supporting seat is fixedly connected to the rack and provided with an annular cavity;
the rolling wheel mechanism is rotatably connected to the inner wall of the annular cavity; the pressing wheel mechanism is driven to rotate by a pressing wheel motor, a rotating shaft of the pressing wheel mechanism is rotatably connected to the rack through a bearing, and the pressing wheel mechanism is positioned in the center of the annular cavity;
the crushing channel is arranged between the inner wall of the rolling wheel mechanism and the outer side wall of the pressing wheel mechanism and is in a conical arrangement with a wide upper part and a narrow lower part, the upper end of the crushing channel is provided with a feed inlet, the feed inlet is communicated with the lower end of the hopper, and the lower end of the crushing channel is provided with a discharge outlet;
the bearing on the rotating shaft of the pressing wheel mechanism is the self-lubricating bearing as claimed in any one of claims 1-2.
4. A stone crushing apparatus as claimed in claim 3, wherein: the roller is hollow and is connected with the upper end of the pressing wheel mechanism and synchronously rotates along with the pressing wheel mechanism, an inner cavity for accommodating water is arranged in the roller, and a water through hole communicated with the inner cavity is formed in the side wall of the roller; the hopper is internally provided with a water tank, the water tank is internally provided with a water pump and a water storage space, the water outlet end of the water pump is communicated with the water storage space, the bottom of the water storage space is provided with a water inlet mechanism, and the water inlet mechanism is communicated with the inner cavity of the roller and used for supplying water to the inner cavity of the roller.
5. The stone crushing apparatus as recited in claim 4, wherein: the outer side wall of the water tank is connected with the inner wall of the hopper through a connecting rod; a partition board is arranged in the water tank, the water tank is divided into an equipment space and a water storage space by the partition board from top to bottom, the water pump is connected in the equipment space, and a water outlet pipe of the water pump penetrates through the partition board and is arranged in the water storage space; a water level monitoring cavity is arranged in the water storage space, and the lower end of the water level monitoring cavity is communicated with the water storage space; the water level monitoring cavity is internally provided with a float in clearance fit, the float can slide along the height direction of the water level monitoring cavity, a partition plate at the top of the water level monitoring cavity is connected with a micro switch contacted by the top of the float, and the micro switch is electrically connected with a control circuit of the water pump.
6. The stone crushing apparatus as recited in claim 5, wherein: the bottom of the water storage space is provided with a water injection hole, a one-way valve is hermetically matched in the water injection hole, and the lower end of the one-way valve is connected with a water injection pipe; the top center of cylinder is equipped with a through-hole that is linked together with the inner chamber of cylinder, the lower extreme of water injection pipe passes the through-hole and is located the inner chamber of cylinder, and the water injection pipe passes through the inner wall rotatable coupling of third bearing and through-hole.
7. A stone crushing apparatus as claimed in claim 3, wherein: the rolling wheel mechanism comprises an annular base which is rotatably connected to the inner wall of the annular cavity, a plurality of rolling wheels which are axially distributed along the annular base and synchronously rotate with the annular base are connected to the inner peripheral wall of the annular base, the rolling wheels are distributed in a step shape from top to bottom, and the inner diameter of the rolling wheel at the upper end is larger than that of the rolling wheel at the lower end; the pinch roller mechanism comprises a rotating shaft which is rotatably connected to the center of the annular cavity, a plurality of pinch rollers which are distributed along the axial direction of the rotating shaft are connected to the rotating shaft, the outer circumferential wall of each pinch roller is set to be a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the upper pinch roller of each two adjacent pinch rollers is larger than that of the top of the lower pinch roller.
8. The stone crushing apparatus as recited in claim 4, wherein: the outer side wall of the roller is set to be in a conical shape with a large upper part and a small lower part, the outer circumferential wall of the roller is provided with spiral pressing teeth which protrude outwards and extend along the height direction of the roller, and the outer side wall of each spiral pressing tooth is set to be a slope with a high upper part and a low lower part.
9. The stone crushing apparatus as recited in claim 7, wherein: the inner peripheral wall of each grinding wheel is distributed with a plurality of grooves which are arranged along the circumferential direction and are concave inwards, and the outer peripheral wall of each pressing wheel is distributed with a plurality of convex columns which are arranged along the circumferential direction and are convex outwards.
10. The stone crushing apparatus as recited in claim 7, wherein: the supporting seat comprises an upper seat and a lower seat, the upper seat is fixedly connected to the top of the lower seat, a containing groove is formed between the upper seat and the lower seat, a convex wall which is matched with the containing groove and protrudes radially outwards is arranged on the outer circumferential wall of the annular base, and the convex wall is in clearance fit in the containing groove.
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| CN201911256277.XA CN110961184B (en) | 2019-12-10 | 2019-12-10 | Self-lubricating bearing and stone crushing device using same |
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| CN201911256277.XA CN110961184B (en) | 2019-12-10 | 2019-12-10 | Self-lubricating bearing and stone crushing device using same |
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| CN110961184B CN110961184B (en) | 2022-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845007A (en) * | 2021-07-29 | 2021-12-28 | 湖南有色郴州氟化学有限公司 | Connecting device of hydraulic grab bucket |
| CN114289166A (en) * | 2022-01-19 | 2022-04-08 | 铜川健之源科技有限公司 | Production process and device based on polygonatum sibiricum instant powder |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191033Y (en) * | 1994-06-16 | 1995-03-08 | 李国桢 | Ore crusher |
| CN201128211Y (en) * | 2007-09-24 | 2008-10-08 | 四川乐山亚联机械有限责任公司 | Tyre block wire separator |
| CN102825832A (en) * | 2011-06-15 | 2012-12-19 | 汤志永 | Lubrication mechanism of oil press |
| CN102840237A (en) * | 2012-07-27 | 2012-12-26 | 华中科技大学 | Liquid hydrostatic bearing capable of realizing oil distribution from end surface |
| CN103527793A (en) * | 2012-07-03 | 2014-01-22 | 徐州凯龙矿山科技开发有限公司 | Upright lubrication mechanism of press machine |
| CN205780309U (en) * | 2016-05-26 | 2016-12-07 | 安徽摩格恩轴承有限公司 | A kind of durable type lightweight bearing |
| CN106224371A (en) * | 2016-07-25 | 2016-12-14 | 新昌县梅渚镇富大轴承厂 | A kind of self-lubricating bearing |
| CN206754173U (en) * | 2017-04-01 | 2017-12-15 | 慈溪超凡轴承科技有限公司 | Self-lubricating bearing |
| CN209679768U (en) * | 2018-12-24 | 2019-11-26 | 广州全系建材有限公司 | A kind of construction site dedusting device for reducing dust |
-
2019
- 2019-12-10 CN CN201911256277.XA patent/CN110961184B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191033Y (en) * | 1994-06-16 | 1995-03-08 | 李国桢 | Ore crusher |
| CN201128211Y (en) * | 2007-09-24 | 2008-10-08 | 四川乐山亚联机械有限责任公司 | Tyre block wire separator |
| CN102825832A (en) * | 2011-06-15 | 2012-12-19 | 汤志永 | Lubrication mechanism of oil press |
| CN103527793A (en) * | 2012-07-03 | 2014-01-22 | 徐州凯龙矿山科技开发有限公司 | Upright lubrication mechanism of press machine |
| CN102840237A (en) * | 2012-07-27 | 2012-12-26 | 华中科技大学 | Liquid hydrostatic bearing capable of realizing oil distribution from end surface |
| CN205780309U (en) * | 2016-05-26 | 2016-12-07 | 安徽摩格恩轴承有限公司 | A kind of durable type lightweight bearing |
| CN106224371A (en) * | 2016-07-25 | 2016-12-14 | 新昌县梅渚镇富大轴承厂 | A kind of self-lubricating bearing |
| CN206754173U (en) * | 2017-04-01 | 2017-12-15 | 慈溪超凡轴承科技有限公司 | Self-lubricating bearing |
| CN209679768U (en) * | 2018-12-24 | 2019-11-26 | 广州全系建材有限公司 | A kind of construction site dedusting device for reducing dust |
Non-Patent Citations (1)
| Title |
|---|
| 戴少生: "《粉碎工程及设备》", 30 November 1994, 中国建材工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845007A (en) * | 2021-07-29 | 2021-12-28 | 湖南有色郴州氟化学有限公司 | Connecting device of hydraulic grab bucket |
| CN114289166A (en) * | 2022-01-19 | 2022-04-08 | 铜川健之源科技有限公司 | Production process and device based on polygonatum sibiricum instant powder |
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|---|---|
| CN110961184B (en) | 2022-01-11 |
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