CN114700135B - Cone crusher with stepless adjustment of eccentricity - Google Patents
Cone crusher with stepless adjustment of eccentricity Download PDFInfo
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- CN114700135B CN114700135B CN202210351714.1A CN202210351714A CN114700135B CN 114700135 B CN114700135 B CN 114700135B CN 202210351714 A CN202210351714 A CN 202210351714A CN 114700135 B CN114700135 B CN 114700135B
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- eccentricity
- stepless
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- 238000003825 pressing Methods 0.000 claims description 72
- 229910052802 copper Inorganic materials 0.000 claims description 69
- 239000010949 copper Substances 0.000 claims description 69
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 68
- 238000005461 lubrication Methods 0.000 claims description 6
- 241000227287 Elliottia pyroliflora Species 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 31
- 239000000428 dust Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Classifications
-
- 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
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a cone crusher with stepless eccentric distance adjustment, which comprises a lower frame assembly, wherein the lower frame assembly comprises a lower frame and an eccentric assembly with stepless eccentric distance adjustment, and the eccentric assembly with stepless eccentric distance adjustment is arranged in a lower frame hole. The invention realizes stepless adjustment of the eccentricity, can accurately adjust the required eccentricity according to the on-site production condition, and improves the working efficiency and the productivity to the maximum extent.
Description
Technical Field
The invention belongs to the field of crusher equipment, and relates to a cone crusher with stepless adjustment of eccentricity, which can accurately adjust the required eccentricity according to the on-site production condition and furthest improve the working efficiency and the productivity.
Background
In the prior art, the common characteristic of the eccentric distance adjustment of the cone crusher is that the eccentric distance cannot be adjusted steplessly, and the eccentric distance adjustment of the eccentric copper sleeve realizes several eccentric distance adjustment through several key slot positions of the eccentric copper sleeve. The patent CN112718061B of the applicant discloses a damping adjustment method of a single-cylinder cone crusher based on stepless adjustment of an eccentric block, wherein an adjustable eccentric block is arranged on an eccentric assembly, and the eccentric force of a main shaft assembly is balanced by adjusting the position of the eccentric block, so that the integral damping adjustment of equipment is realized; the eccentric assembly comprises an eccentric steel sleeve, an eccentric copper sleeve, a large gear frame and an eccentric block; the large gear frame is provided with a plurality of eccentric block fixing bolt holes, the eccentric block is provided with a plurality of kidney-shaped holes, and the eccentric block is fixed on the large gear frame through a plurality of bolts connected with the eccentric block fixing bolt holes and the kidney-shaped holes; the eccentric copper sleeve penetrates into the eccentric steel sleeve, the outer ring of the eccentric steel sleeve is matched with the inner ring of the large gear rack, and the eccentric steel sleeve, the large gear rack and the large gear rack are fixed in pairs by using keys. The stepless adjustment is realized through a plurality of kidney-shaped holes, and although the stepless adjustment of the eccentric block is realized, the stepless adjustment is not convenient because the bolts are still required to be disassembled and reinstalled.
In the traditional crusher, bolts are used for locking the frames, so that the disassembly and the assembly are unchanged. After that, hydraulic locking is performed, for example, CN103920561a discloses a hydraulic locking cone crusher, which comprises a cone crusher, wherein a plurality of locking cylinder assemblies are adopted for locking between a cap frame assembly and an adjusting screw sleeve of the cone crusher; the locking cylinder assembly is characterized in that a locking cylinder piston wall is in sealing fit with a locking cylinder body through an O-shaped sealing ring and another sealing ring, a first Y-shaped sealing ring and a second Y-shaped sealing ring, a locking bolt penetrates through a locking cylinder piston and is in sliding fit with a locking cylinder piston rod hole, the upper part of the locking bolt rod is a polished rod, the lower part of the locking bolt rod is a screw rod, and the locking bolt penetrates through the locking cylinder piston and is screwed with an adjusting screw sleeve.
Disclosure of Invention
The invention aims to provide a cone crusher with stepless adjustment of eccentricity, which realizes stepless adjustment of the eccentricity by rotating eccentric copper sleeves at different positions of eccentric copper through a pair of adjusting pinions，According to the change of the on-site crushed materials, the eccentricity is accurately adjusted, the high-efficiency crushing of the materials is realized, the automatic disassembly and the installation of the middle frame and the lower frame are realized by a pneumatic control telescopic pressing plate device, and the automatic clamping and positioning are realized during the maintenance and the replacement of the lining plates, so that the working efficiency is greatly improved.
The invention is realized by the following technical scheme. The cone crusher with the stepless eccentricity adjustment comprises a lower frame assembly, wherein the lower frame assembly comprises a lower frame and an eccentric assembly with the stepless eccentricity adjustment, the eccentric assembly with the stepless eccentricity adjustment is arranged in a lower frame hole, the eccentric assembly with the stepless eccentricity adjustment comprises an adjustment pinion, an eccentric copper sleeve with an indexing gear and an eccentric sleeve, the adjustment pinion is arranged in an indexing tooth mounting hole of the eccentric sleeve, the eccentric copper sleeve with the indexing gear is arranged on the eccentric sleeve, the eccentric copper sleeve with the indexing gear is in threaded connection with the eccentric sleeve, the eccentric copper sleeve with the indexing gear is provided with indexing teeth, and the indexing teeth are meshed with the adjustment pinion.
Further preferably, the adjusting pinion is fixed by an adjusting pinion rear bearing and an adjusting pinion front bearing, and the adjusting pinion rear bearing and the adjusting pinion front bearing are respectively fixed on the eccentric sleeve by screws.
Further preferably, the eccentric assembly with the stepless eccentricity adjustment further comprises a copper sleeve pressing ring, the copper sleeve pressing ring is arranged on the eccentric sleeve, an eccentric copper sleeve locking nut and an eccentric copper sleeve locking screw are arranged on the copper sleeve pressing ring, and the eccentric copper sleeve with the indexing gear is axially locked on the eccentric sleeve through the eccentric copper sleeve locking nut and the eccentric copper sleeve locking screw.
Further preferably, the eccentric copper bush with the indexing gear is provided with a spiral oil groove.
Further preferably, the eccentric copper sleeve with the indexing gear is provided with indexing grid lines, and the indexing grid lines display the eccentricity value.
Further preferably, the eccentric sleeve is provided with an indexing screw hole and a lubricating oil groove.
Further preferably, the eccentric copper sleeve with the indexing gear is provided with indexing threads, the eccentric sleeve is provided with indexing screw holes, and the indexing threads are matched with the indexing screw holes.
Further preferably, the upper frame assembly comprises a middle frame, an upper frame, a pneumatic control telescopic pressing plate device, an upper frame edge guard plate and a split positioning clamping block guide pin, wherein the pneumatic control telescopic pressing plate device is arranged on the middle frame, the split positioning clamping block guide pin is arranged in a middle frame hole, and the pneumatic control telescopic pressing plate device comprises a cylinder, a telescopic pressing plate and a cylinder piston of the cylinder, wherein the cylinder piston is connected with the telescopic pressing plate, and the telescopic pressing plate is provided with an opening kidney-shaped hole.
The hydraulic rack dismounting device comprises an oil cylinder body, a split positioning clamping block, a clamping piston rod, a lock nut, a clamping nut, a guide key, a fixing screw, a fixing key and a clamping disc spring; the clamping disc spring is arranged on the clamping piston rod, and then the clamping piston rod is arranged in the oil cylinder body; the locking nut and the clamping nut are arranged at the upper end of the clamping piston rod; the oil cylinder body is arranged in the lower frame hole; the guide key is arranged on the split positioning clamping block; the split positioning clamping blocks are arranged in the middle frame holes.
Further preferably, the clamping piston rod is provided with a piston sealing groove, a double key groove, a wedge-shaped clamping surface and clamping threads. The piston seal groove is used for loading the sealing ring, the double key groove is provided with the fixed key, the fixed key is propped against the guide key when the clamping piston rod is lifted, and the guide key is arranged on the split positioning clamping block, so that the double clamping wedge surfaces of the split positioning clamping block and the oil cylinder body are loosened, and the function of loosening the lower rack and the middle rack is realized.
Further preferably, the split positioning clamping block is provided with a wedge-shaped clamping surface with a key groove, a guide groove and a guide hole, the guide hole of the split positioning clamping block arranged on the middle frame is matched with a guide pin of the split positioning clamping block of the upper frame assembly and positioned in the middle frame hole, and the wedge-shaped clamping surface with the key groove of the split positioning clamping block arranged on the middle frame is tightly matched with a double clamping wedge surface of an oil cylinder body arranged on the lower frame to clamp and unclamp the middle frame and the lower frame.
The cylinder body is further preferably provided with a double-key slot hole, a edging, a piston cylinder body, a cylindrical step and a double-clamping wedge surface, wherein the double-key slot hole is provided with a fixed key, the edging is compact in structure, a clamping piston rod is arranged in the piston cylinder body, the cylindrical step is positioned and is arranged in a hole of the lower frame, and the double-clamping wedge surface is matched with the key slot wedge-shaped clamping surface of the split positioning clamping block of the middle frame to clamp and unclamp the middle frame and the lower frame.
The invention has the beneficial effects that: the eccentric distance can be adjusted steplessly, and the eccentric distance can be adjusted accurately according to the change of the crushed materials on site, so that high-efficiency material crushing is realized. When the lining plate is maintained and replaced, the positions of a plurality of groups of pneumatic control telescopic pressing plate devices are adjusted through the pneumatic control distribution device, telescopic pressing plates of the pneumatic control telescopic pressing plate devices are telescopic, the pressing plates of the pneumatic control telescopic pressing plate devices extend and retract to be linked with oil cylinders of the hydraulic dismounting devices of the machine frames, the lower machine frames and the middle machine frames are clamped when the telescopic pressing plates extend in the automatic clamping and dismounting processes, the lower machine frames and the middle machine frames are separated when the telescopic pressing plates retract, the automatic dismounting of the middle machine frames and the lower machine frames is achieved, the automatic clamping and positioning are achieved when the telescopic pressing plates are mounted, and the working efficiency is greatly improved.
The invention greatly improves the production efficiency of maintenance, and continuously adjusts the eccentricity required by production according to the characteristics of materials in actual material crushing, thereby greatly improving the plasticity of the production process and the utilization rate of equipment.
Drawings
Fig. 1 is a schematic view of a cone crusher with stepless adjustment of eccentricity according to the invention.
Fig. 2 is a schematic diagram of the lower housing assembly.
FIG. 3 is a schematic illustration of an eccentric assembly with stepless adjustment of eccentricity.
FIG. 4 is an isometric view of an eccentric assembly with stepless adjustment of eccentricity.
Fig. 5 is a schematic view of an eccentric copper sleeve with an indexing gear.
Fig. 6 is a B-B cross-sectional view of fig. 5.
Fig. 7 is an isometric view of an eccentric copper sleeve with an indexing gear.
Fig. 8 is a schematic view of an eccentric sleeve.
Fig. 9 is a C-C cross-sectional view of fig. 8.
Fig. 10 is an isometric view of an eccentric sleeve.
Fig. 11 is a schematic view of the upper housing assembly.
Fig. 12 is a cross-sectional view A-A of fig. 11.
Fig. 13 is an isometric view of fig. 11.
Fig. 14 is a schematic view of a pneumatically controlled telescopic platen apparatus.
Fig. 15 is a C-C cross-sectional view of fig. 14.
FIG. 16 is a schematic view of a hydraulic mount and demount device for a frame;
FIG. 17 is a schematic view of a clamping piston;
FIG. 18 is a schematic view of a split positioning clamp block;
FIG. 19 is a schematic diagram of an oil cylinder;
FIG. 20 is a schematic view of a frame clamping condition;
FIG. 21 is a schematic view of the chassis in an unclamped state;
FIG. 22 is a drawing illustration of a center frame hanging from a lower frame;
fig. 23 is a schematic feature of the telescoping platen.
Fig. 24 is a schematic view of radial locking of an eccentric copper sleeve with an indexing gear.
Reference numerals: 1-upper rack assembly, 2-lower rack assembly, 3-main shaft assembly, 4-pinion assembly; 201-a lower frame, 202-an eccentric assembly with stepless eccentricity adjustment, 203-a hydraulic cylinder assembly, 204-a grinding-resistant disc and 260-a frame hydraulic dismounting device;
20201-large gear rack, 20202-large gear rack screw, 20203-large gear, 20204-adjusting pinion rear bearing, 20205-adjusting pinion front bearing, 20206-front bearing screw, 20207-adjusting pinion, 20208-eccentric copper sleeve with indexing gear, 20209-eccentric sleeve, 20210-press ring flat pad, 20211-eccentric copper sleeve lock nut, 20212-eccentric copper sleeve lock screw, 20213-copper sleeve press ring, 20214-large gear rack flat pad, 20215-press ring screw, 20216-adjusting pinion lock screw, 2020801-indexing tooth, 2020802-indexing thread, 2020803-spiral oil groove, 2020804-indexing grid line, 2020901-indexing tooth mounting hole, 2020902-indexing screw hole, 2020903-lubrication groove;
101-middle frame, 102-upper frame, 103-pneumatic control telescopic pressing plate device, 104-pneumatic control distributing device, 105-lining board tension ring bolt, 106-lining board tension ring, 107-fixed cone lower lining board, 108-fixed cone upper lining board, 109-filling glue, 110-shaft seal cushion, 111-shaft seal, 112-adjusting cushion, 113-main shaft upper end supporting sleeve, 114-temperature measuring device, 115-arm support cap, 116-arm support protective cover, 117-pin bolt, 118-pin nut, 119-fixed pin, 120-upper frame beam protective cover, 121-protective cover fixed pin, 122-connecting block, 123-upper frame bolt, 124-upper frame gasket, 125-upper frame nut, 126-upper frame edge protective cover map, 127-split positioning clamping block guide pin;
10301-telescopic pressing plate, 10302-telescopic pressing plate snap ring, 10303-telescopic pressing plate pin, 10304-cylinder piston, 10305 cylinder front cover, 10306 cylinder front cover bolt, 10307 cylinder front cover flat pad, 10308-cylinder front cover seal, 10309-cylinder joint, 10310-cylinder piston seal, 10311-cylinder guide sleeve, 10312-cylinder spring, 10313-cylinder block, 10314-cylinder back cover, 10315-cylinder back cover bolt, 10316-cylinder back cover seal;
26001-oil cylinder, 26002-split positioning clamping block, 26003-clamping piston rod, 26004-lock nut, 26005-clamping nut, 26006-guide key, 26007-set screw, 26008-set key, 26009-clamping disc spring, 26010-cylinder bottom cover, 26011-cylinder joint, 26012-cylinder bottom cover seal, 26013-clamping piston rod seal, 2600301-piston seal groove, 2600302-double-key groove, 2600303-wedge clamping surface, 2600304-clamping screw thread, 2600201-splined wedge clamping surface, 2600202-guide groove, 2600203-guide hole, 2600101-double-key slotted hole, 2600102-chamfered edge, 2600103-piston cylinder, 2600104-cylinder step, 2600105 double-clamping wedge surface.
Detailed Description
The invention is further elucidated in detail below in connection with the accompanying drawings.
As shown in fig. 1, the cone crusher with stepless adjustment of eccentricity comprises an upper frame assembly 1, a lower frame assembly 2, a main shaft assembly 3 and a pinion assembly 4, wherein the upper frame assembly 1 is arranged on the lower frame assembly 2, the main shaft assembly 3 is arranged in the lower frame assembly 2, and the pinion assembly 4 is arranged in the lower frame assembly 2.
As shown in fig. 2, the lower frame assembly 2 includes a lower frame 201, an eccentric assembly 202 with stepless eccentricity adjustment, a hydraulic cylinder assembly 203, a wear-resistant disc 204, and a frame hydraulic dismounting device 260, wherein the wear-resistant disc 204 and the lower frame bushing are mounted on the lower frame 201, the eccentric assembly 202 with stepless eccentricity adjustment is mounted in the wear-resistant disc 204 and the holes of the lower frame 201, and the frame hydraulic dismounting device 260 is mounted on the top of the lower frame 201. The wear-resistant disc 204 is arranged on the lower frame 201 through a plurality of uniformly distributed positioning elastic cylindrical pins, the eccentric assembly 202 with stepless eccentricity adjustment is arranged on the wear-resistant disc 204, the hydraulic cylinder assembly 203 is arranged on the flange surface at the lower end of the lower frame 201 through a hydraulic cylinder flat pad and a hydraulic cylinder bolt, and the dust cover is arranged on the middle flange surface of the lower frame 201 through a dust cover screw, a dust cover cylindrical pin and a dust cover bolt.
The structure of the eccentric assembly 202 with stepless eccentricity adjustment is shown in fig. 3-10, and comprises a large gear rack 20201, a large gear rack screw 20202, a large gear 20203, a small gear rear bearing 20204, a small gear front bearing 20205, a front bearing screw 20206, a small gear 20207, an eccentric copper sleeve 20208 with an indexing gear, an eccentric sleeve 20209, a pressing ring flat pad 20210, an eccentric copper sleeve lock nut 20211, an eccentric copper sleeve lock screw 20212, a copper sleeve pressing ring 20213, a large gear rack flat pad 20214, a pressing ring screw 20215 and a small gear lock screw 20216.
The large gear rack key and the large gear rack 20201 are installed in the eccentric sleeve 20209 by heating, the large gear 20203 is installed on the large gear rack 20201 by using the large gear rack screw 20202 and the large gear rack flat pad 20214, the eccentric copper sleeve 20208 with the indexing gear is screwed into the eccentric sleeve 20209, the adjusting pinion rear support 20204 is installed in the indexing gear installation hole 2020901 in the eccentric sleeve 20209, the adjusting pinion 20207 is installed between the adjusting pinion rear support 20204 and the adjusting pinion front support 20205, the adjusting pinion front support 205 is installed in the indexing gear installation hole 2020901 in the eccentric sleeve 20209 by using the front support screw 20206, the middle hole of the indexing gear installation hole 2020901 is matched with the adjusting pinion 20207, the eccentric copper sleeve 20208 with the indexing gear is adjusted at the angular position of the eccentric sleeve 20209 by a pair of adjusting pinion 20207: two adjusting pinions 20207 are installed, wherein the right side clearance of the gears of one adjusting pinion 20207 and the eccentric copper sleeve 20208 with the indexing gear is 0, and the left side clearance of the gears of the other adjusting pinion 20207 and the eccentric copper sleeve 20208 with the indexing gear is 0, so that bidirectional positioning is realized. The adjustment pinion lock screw 20216 is radially locked to the eccentric copper sleeve 20208 with indexing gear, and the copper sleeve press 20213 is mounted to the eccentric sleeve 20209 with the press flat pad 20210 and the press screw 20215. The eccentric copper sleeve 20208 with the indexing gear is radially locked in the eccentric sleeve 20209 by an eccentric copper sleeve lock nut 20211 and an eccentric copper sleeve lock screw 20212.
In fig. 5, 6 and 7, the eccentric copper sleeve 20208 with indexing gear mainly features include indexing teeth 2020801, indexing threads 2020802, spiral oil groove 2020803 and indexing grid lines 2020804; the indexing teeth 2020801 mate with the adjustment pinion 20207 to provide rotation of the eccentric sleeve 20209, the indexing threads 2020802 mate with the indexing screw holes 2020902 of the eccentric sleeve 20209, the helical oil grooves 2020803 provide lubrication channels, and the indexing grid lines 2020804 provide precise eccentricity values.
In fig. 8, 9 and 10, the eccentric sleeve 20209 is provided with an index tooth mounting hole 2020901, an index screw hole 2020902 and a lubrication groove 2020903; the indexing tooth mounting holes 2020901 provide adjustment pinion mounting support holes 20207, the indexing screw holes 2020902 mate with the indexing threads 2020802 of the eccentric copper sleeve 20208 with the indexing gear, and the lubrication groove 2020903 is a lubrication channel.
The adjusting pinion 20207 meshes with the index teeth 2020801 of the eccentric copper sleeve 20208 with index gear, and the eccentric copper sleeve 20208 with index gear is connected to the eccentric sleeve 20209 by index threads 2020802. The eccentric copper sleeve 20208 with the indexing gear is driven by the adjusting pinion 20207 to rotate on the eccentric sleeve 20209 to realize stepless adjustment of the eccentricity, when the eccentricities of the eccentric copper sleeve 20208 with the indexing gear and the eccentric sleeve 20209 are overlapped on the same side, the eccentricity is maximum, when the eccentricity of the eccentric copper sleeve 20208 with the indexing gear is on the opposite side of the eccentric sleeve 20209, the eccentricity is minimum, and the eccentric copper sleeve 20208 with the indexing gear is rotated at different angles of the eccentric sleeve 20209, the eccentricities are different, so that stepless adjustment of the eccentricity is realized.
The eccentric copper sleeve 20208 with the indexing gear is adjusted by a pair of adjusting pinions 20207 when the eccentric sleeve rotates, gear gaps are eliminated after adjustment, and the positions of the adjusting pinions 20207 are locked by adjusting pinion locking screws 20216, so that radial position locking is realized. The copper sleeve pressing ring 20213 is installed on the eccentric sleeve 20209 through a pressing ring screw 20215, the upper end face of the eccentric copper sleeve 20208 with the indexing gear is tightly pressed by an eccentric copper sleeve locking screw 20212, and the axial position locking is realized by locking through an eccentric copper sleeve locking nut 20211.
In this embodiment, the lower frame bushing is excessively matched with the lower frame hole, so as to ensure that the lower frame bushing is not deformed during assembly, and the lower frame bushing is cooled for about 8 hours by adding dry ice and other methods into the insulated box during assembly. The eccentric assembly is arranged in a hole of the lower frame, the bottom surface of the eccentric assembly is placed on the wear-resistant disc, 8 pin holes are formed in the wear-resistant disc, the eccentric assembly is arranged on the lower frame through the 8 pin holes, and the wear-resistant disc is fixed by using the wear-resistant disc pin. The method comprises the steps of coating a loctite 518 plane glue on a spigot surface of the combination of the dust cover and the lower frame, coating a loctite 243 glue in a screw hole of the lower frame connected with the dust cover, fixing the lower frame through bolts and a flat pad, mounting a seat ring on the dust cover, placing the dust ring on the seat ring, and manufacturing the dust ring by using a wear-resistant nylon material. The air inlet pipe is arranged in a hole of the lower frame, a screw hole of the lower frame connected with the oil cylinder assembly is coated with loctite 243 glue, and the oil cylinder assembly is fixed on the lower frame through the bolt, the flat pad and the oil cylinder spigot in a matched manner with the lower frame. And a lower frame screw hole connected with the base is coated with loctite 243 glue, and the base is fixed on the bottom surface of the lower frame through bolts and a flat pad.
As shown in fig. 11, 12 and 13: the upper frame assembly 1 comprises a middle frame 101, an upper frame 102, a pneumatic control telescopic pressing plate device 103, a pneumatic control distributing device 104, a lining plate tension ring bolt 105, a lining plate tension ring 106, a fixed cone lower lining plate 107, a fixed cone upper lining plate 108, a filling rubber 109, a shaft seal pad 110, a shaft seal 111, an adjusting pad 112, a main shaft upper end supporting sleeve 113, a temperature measuring device 114, a cantilever cap 115, a cantilever protecting cover 116, a pin bolt 117, a pin nut 118, a fixed pin 119, an upper frame beam protecting cover 120, a protecting cover fixing pin 121, a connecting block 122, an upper frame bolt 123, an upper frame gasket 124, an upper frame nut 125, an upper frame edge protecting plate 126 and a split positioning clamping block guide pin 127.
The middle frame 101 is padded by sleeper, and the lining board tension ring 106 is supported by the lining board tension ring bolt 105 to fasten the fixed cone upper lining board 107 on the middle frame 101. And filling glue 109 into gaps between the fixed cone lower lining plate 107, the fixed cone upper lining plate 108 and the middle frame 102 for fixation. The upper frame 102 is placed on the middle frame 101, the upper frame 102 and the middle frame 101 are fixed together by an upper frame bolt 123, an upper frame washer 124 and an upper frame nut 125, the pneumatic control telescopic pressing plate device 103 and the pneumatic control distributing device 104 are installed on the middle frame 101, and the shaft seal cushion 110, the shaft seal 111, the adjusting cushion 112, the upper end supporting sleeve 113 of the main shaft and the temperature measuring device 114 are arranged in the middle hole of the upper frame of the middle frame 101. The arm support cap 115 is arranged in the upper end face of the upper frame 102, the arm support protecting cover 116, the pin shaft bolt 117, the pin shaft nut 118, the fixed pin shaft 119, the protecting cover fixing pin 121 and the connecting block 122 are arranged on the arm support cap 115, the upper frame beam protecting cover 120 is arranged on the upper frame beam, and the split positioning clamping block guide pin 127 is arranged in the hole of the middle frame 101.
As shown in fig. 14 and 15: the pneumatic control telescopic pressing plate device 103 comprises a telescopic pressing plate 10301, a telescopic pressing plate clamping ring 10302, a telescopic pressing plate pin 10303, a cylinder piston 10304, a cylinder front cover 10305, a cylinder front cover bolt 10306, a cylinder front cover flat pad 10307, a cylinder front cover seal 10308, a cylinder joint 10309, a cylinder piston seal 10310, a cylinder guide sleeve 10311, a cylinder spring 10312, a cylinder block 10313, a cylinder rear cover 10314, a cylinder rear cover screw 10315 and a cylinder rear cover seal 10316. The cylinder block 10313 is secured by a cylinder head screw 10315, and a cylinder head seal 10316 is fitted to the cylinder head, and a cylinder guide bush 10311 and a cylinder spring 10312 are fitted to the cylinder piston 10304. The cylinder front cover seal 10308 is installed on the cylinder front cover 10305 and is installed in the cylinder body 10313 by a cylinder front cover bolt 10306 and a cylinder front cover flat pad 10307, the telescopic pressing plate 10301 is installed on the cylinder piston 10304 by a telescopic pressing plate clamping ring 10302 and a telescopic pressing plate pin 10303, the cylinder joint 10309 is installed in the cylinder body 10313, in the state that the cylinder joint 10309 is not air pressure, the telescopic pressing plate 10301 is connected and extends forwards under the action of the cylinder spring 10312, the telescopic pressing plate 10301 is in an extending state, in the state that the cylinder joint 10309 is air pressure, the cylinder piston 10304 moves backwards under the action of air pressure, and the cylinder piston 10304 drives the telescopic pressing plate 10301 to retract backwards under the action of the air pressure.
The pneumatic distribution device 104 is connected with the cylinder connector 10309, a plurality of groups of pneumatic telescopic pressing plate devices 103 are uniformly arranged on the middle frame 101, the positions of the plurality of groups of pneumatic telescopic pressing plate devices 103 are adjusted through the pneumatic distribution device 104, telescopic pressing plates 10301 of the pneumatic telescopic pressing plate devices 103 are achieved, when air is fed through the cylinder connector 10309, the cylinder piston compression springs 10304 move backwards to achieve retraction of the telescopic pressing plates 10301, and when pressure is relieved through the cylinder connector 10309, the cylinder piston 10304 pushes forwards under the action of the cylinder springs 10312 to achieve extension of the telescopic pressing plates 10301. The lower frame and the middle frame are clamped when the telescopic pressing plate stretches out, the lower frame and the middle frame are separated when the pressing plate retracts, and the middle frame and the lower frame are disassembled.
As shown in fig. 16, the frame hydraulic attachment/detachment device 260 includes a cylinder block 26001, a split positioning clamp block 26002, a clamp piston rod 26003, a lock nut 26004, a clamp nut 26005, a guide key 26006, a fixing screw 26007, a fixing key 26008, a clamp disc spring 26009, a cylinder bottom cover 26010, a cylinder joint 26011, a cylinder bottom cover seal 26012, and a clamp piston rod seal 26013. The method comprises the steps of installing a clamping disc spring 26009 on a clamping piston rod 26003, installing a clamping piston rod seal 26013 on the clamping piston rod 26003, installing the clamping piston rod 26003 on an oil cylinder 26001, installing a fixing key 26008 on the clamping piston rod 26003 by using a fixing screw 26007, installing an oil cylinder bottom cover seal 26012 on an oil cylinder bottom cover 26010, pressing the oil cylinder bottom cover 26010 into the oil cylinder 26001, and installing an oil cylinder joint 26011 on the oil cylinder 26001; a guide key 26006 is mounted on the split positioning and clamping block 26002 with a set screw 26007; a split positioning clamp 26002 is installed in the hole of the middle frame 101, and a lock nut 26004 and a clamp nut 26005 are installed at the upper end of the clamp piston rod 26003, together with an oil cylinder 26001 and the like, with flat pads and bolts in the hole of the lower frame 201.
In fig. 17, the clamp piston rod 26003 is provided with a piston seal groove 2600301, a double key groove 2600302, a wedge-shaped clamping surface 2600303, and a clamp thread 2600304. The piston seal groove 2600301 is used for installing a seal ring, the double-key groove 2600302 is provided with a fixed key 26008, the fixed key 26008 is propped against the guide key 26006 when the clamping piston rod 26003 is lifted, and the guide key 26006 is arranged on the split positioning clamping block 26002, so that the split positioning clamping block 26002 is loosened from the double-clamping wedge surface 2600105 of the oil cylinder 26001, and the function of loosening the lower rack 201 from the middle rack 101 is realized.
In fig. 18, the split positioning clamp 26002 is provided with a wedge-shaped clamping surface 2600201 with a key groove, a guide groove 2600202 and a guide hole 2600203, the guide hole 2600203 of the split positioning clamp 26002 arranged on the middle frame 101 is matched with the split positioning clamp guide pin 127 of the upper frame assembly 1 and positioned in the hole of the middle frame 101, and the wedge-shaped clamping surface 2600201 with a key groove of the split positioning clamp 26002 arranged on the middle frame 101 is tightly matched with the double clamping wedge surface 2600105 of the oil cylinder 26001 arranged on the lower frame 201 to clamp and unclamp the middle frame 101 and the lower frame 201.
In fig. 19, the oil cylinder 26001 is provided with a double-key slot 2600101, a chamfered edge 2600102, a piston cylinder 2600103, a cylindrical step 2600104 and a double-clamping wedge surface 2600105, the double-key slot 2600101 is provided with a fixed key 26008, the chamfered edge 2600102 enables the structure to be compact, a clamping piston rod 26003 is arranged in the piston cylinder 2600103, the cylindrical step 2600104 is positioned and installed in a hole of the lower frame 201, and the double-clamping wedge surface 2600105 is matched with a key slot wedge-shaped clamping surface 2600201 of a split positioning clamping block 26002 of the middle frame 101 to clamp and unclamp the middle frame 101 and the lower frame 201.
In fig. 23, the telescoping pressure plate 10301 has an open kidney-shaped aperture 1030101 which allows the clamp piston rod attachment pin 26003 to move up and down in the telescoping pressure plate 10301 during movement of the clamp piston rod 26003.
As shown in fig. 20, the middle chassis 101 and the lower chassis 201 are clamped: the clamping piston rod 26003 is lifted by the oil inlet of the joint, the telescopic pressing plate 10301 is extended to be in place by the pneumatic control telescopic pressing plate device 103, the pressure is relieved by the oil inlet of the joint, the split positioning and clamping blocks 26002 are downwards by the clamping piston rod 26003 under the action of the clamping disc springs 26009 through the telescopic pressing plate 10301, and the split positioning and clamping blocks 26002 are positioned and clamped under the action of wedge force. The clearance S between the bottom surface of the telescopic pressing plate 10301 and the split positioning clamping block 26002=0 mm, the clearance between the fixed key 26008 and the guide key 26006 is s=0.5 mm, and at this time, the oil cylinder is depressurized and is in a clamping state under the action of the clamping disc spring 26009.
As shown in fig. 21, the middle chassis 101 and the lower chassis 201 are in a released state: at this time, the oil cylinder drives the clamping piston rod 26003 to move upwards through oil pressure, the gap between the fixed key 26008 and the guide key 26006 is s=0 mm, and the gap between the bottom surface of the telescopic pressing plate 10301 and the split positioning clamping block 26002 is s=0.5 mm, so that the middle frame 101 and the lower frame 201 are in a loose state; the pressing force acting on the telescopic pressing plate 10301 is eliminated, the telescopic pressing plate 10301 is retracted by the pneumatic control telescopic pressing plate device 103, and when the telescopic pressing plate 10301 is retracted to be separated from the clamping nut 26005, the middle frame 101 can be lifted out of the lower frame 201.
In fig. 22, the middle frame 101 is schematically lifted from the lower frame 201, the telescopic pressing plate 10301 is retracted and separated from the locking nut 26004 and the clamping nut 26005, and the locking nut 26004 and the clamping nut 26005 pass through the middle of the 2 split positioning clamping blocks 26002 of the middle frame 101. Allowing the clamp piston rod attachment pin 26003 to move up and down in the kidney shaped aperture in the telescoping platen 10301.
The pneumatic control telescopic pressing plate device 103 and the rack hydraulic dismounting device 260 move in a combined mode through air pressure, so that the lower rack and the middle rack are clamped when the telescopic pressing plate stretches out in the automatic clamping and dismounting process, the lower rack and the middle rack are separated when the telescopic pressing plate retracts, the middle rack and the lower rack are automatically dismounted, automatic clamping and positioning are achieved when the telescopic pressing plate is installed, and the working efficiency is greatly improved.
Fig. 24 is a schematic diagram of radial locking of the eccentric copper sleeve 20208 with the indexing gear, wherein the positions of the adjusting pinion 20207 and the eccentric copper sleeve 20208 with the indexing gear are respectively adjusted, so that the right side clearance of the gear is 0, the positions of the other adjusting pinion 20207 and the eccentric copper sleeve 20208 with the indexing gear are adjusted, the left side clearance of the gear is 0, and bidirectional positioning is realized. And the eccentric copper sleeve 20208 with indexing gear is radially locked with the adjustment pinion locking screw 20216.
Claims (10)
1. The cone crusher with the stepless eccentricity adjustment comprises a lower frame assembly, wherein the lower frame assembly comprises a lower frame and an eccentric assembly with the stepless eccentricity adjustment, and the eccentric assembly with the stepless eccentricity adjustment is arranged in a lower frame hole; the eccentric copper sleeve with the indexing gear is adjusted to the angle position of the eccentric sleeve through a pair of adjusting pinions; two adjusting pinions are arranged, wherein the right side clearance of one adjusting pinion and the gear of the eccentric copper bush with the dividing gear is 0, and the left side clearance of the other adjusting pinion and the gear of the eccentric copper bush with the dividing gear is 0, so that bidirectional positioning is realized.
2. The cone crusher with stepless adjustment of eccentricity according to claim 1, wherein the adjustment pinion is fixed by an adjustment pinion rear support and an adjustment pinion front support, which are fixed to the eccentric sleeve by screws, respectively.
3. The cone crusher with stepless eccentricity adjustment according to claim 1, wherein the eccentric assembly with stepless eccentricity adjustment further comprises a copper sleeve pressing ring, the copper sleeve pressing ring is arranged on the eccentric sleeve, an eccentric copper sleeve locking nut and an eccentric copper sleeve locking screw are arranged on the copper sleeve pressing ring, and the eccentric copper sleeve with the indexing gear is axially locked on the eccentric sleeve through the eccentric copper sleeve locking nut and the eccentric copper sleeve locking screw.
4. The cone crusher with stepless adjustment of eccentricity according to claim 1, wherein the eccentric copper sleeve with indexing gear is provided with a spiral oil groove.
5. The cone crusher with stepless adjustment of eccentricity according to claim 1, wherein the eccentric copper sleeve with the indexing gear is provided with indexing grid lines, which show the eccentricity value.
6. A cone crusher with stepless adjustment of eccentricity according to claim 1, characterized in that the eccentric sleeve is provided with a lubrication groove.
7. The cone crusher with stepless adjustment of eccentricity according to claim 1, wherein the eccentric copper sleeve with the indexing gear is provided with indexing threads, the eccentric sleeve is provided with indexing screw holes, and the indexing threads are matched with the indexing screw holes.
8. The cone crusher with stepless eccentric distance adjustment according to claim 1, wherein the upper frame assembly comprises a middle frame, an upper frame, a pneumatic control telescopic pressing plate device, an upper frame edge guard plate and a split positioning clamping block guide pin, the pneumatic control telescopic pressing plate device is arranged on the middle frame, the split positioning clamping block guide pin is arranged in a middle frame hole, the pneumatic control telescopic pressing plate device comprises a cylinder and a telescopic pressing plate, a cylinder piston of the cylinder is connected with the telescopic pressing plate, and the telescopic pressing plate is provided with an open kidney-shaped hole.
9. The cone crusher with stepless adjustment of eccentricity according to claim 8, further comprising a frame hydraulic dismounting device, wherein the frame hydraulic dismounting device comprises an oil cylinder body, a split positioning clamping block, a clamping piston rod, a locking nut, a clamping nut, a guide key, a fixing screw, a fixing key and a clamping disc spring; the clamping disc spring is arranged on the clamping piston rod, and then the clamping piston rod is arranged in the oil cylinder body; the locking nut and the clamping nut are arranged at the upper end of the clamping piston rod; the oil cylinder body is arranged in the lower frame hole; the guide key is arranged on the split positioning clamping block; the split positioning clamping blocks are arranged in the middle frame holes.
10. A cone crusher with stepless adjustment of eccentricity according to claim 9, characterized in that the clamping piston rod is provided with double keyways, wedge-shaped clamping surfaces, clamping threads; the split positioning clamping block is provided with a wedge-shaped clamping surface with a key groove, a guide groove and a guide hole, the oil cylinder body is provided with a double-key groove hole, a chamfered edge, a piston cylinder body, a cylindrical step and a double-clamping wedge surface, the double-key groove is provided with a fixed key, and the double-key groove is propped against the guide key when the clamping piston rod is lifted; the split positioning clamping block is arranged on the middle frame, the split positioning clamping block is provided with a guide hole, the guide hole is matched with a split positioning clamping block guide pin of the upper frame assembly and positioned in the middle frame hole, and the split positioning clamping block provided with a key slot and a wedge clamping surface is tightly matched with a double clamping wedge surface of an oil cylinder body arranged on the lower frame to realize clamping and loosening of the middle frame and the lower frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210351714.1A CN114700135B (en) | 2022-04-02 | 2022-04-02 | Cone crusher with stepless adjustment of eccentricity |
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| CN202210351714.1A CN114700135B (en) | 2022-04-02 | 2022-04-02 | Cone crusher with stepless adjustment of eccentricity |
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| CN116851063B (en) * | 2023-05-25 | 2024-01-26 | 广东磊蒙智能装备集团有限公司 | Stroke adjusting device of cone crusher |
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| CN114700135A (en) | 2022-07-05 |
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