Gyratory crusher
Technical field
The invention belongs to the material field of crushing equipment, refer to a kind of gyratory crusher particularly.
Background technology
Existing spring gyratory crusher and multicylinder hydraulic formula gyratory crusher belong to a kind of gyratory crusher, their internal structure is the same substantially, and its main distinction is that the latter in the outside safeties replaces the former many groups spring with a plurality of hydraulic jacks.The structure of existing spring gyratory crusher and multicylinder hydraulic formula gyratory crusher as shown in Figure 1, its main shaft 8 is taper spindles, fixed type ball spherical bearing 61 is fixedly mounted on the planar axes bearing 7.Drive power transmission shaft 2 rotations by motor 1 during gyratory crusher work, thereby the bevel pinion of power transmission shaft 2 other ends 11 drives bevel gear wheel 3 and drives excentric sleeve 9 rotations of fixedlying connected with bevel gear wheel 3, main shaft 8 is inserted in the cone-shaped inner hole of excentric sleeve 9, mantle 4 is fixedly mounted on main shaft 8 tops, and by 61 supports of fixed type ball spherical bearing, planar axes bearing 7 is fixedly connected on the frame 12, and mantle 4 bottom spheres match with fixed type ball spherical bearing 61 top spheres, constitutes the spheric motion pair.Along with the rotation of excentric sleeve 9, main shaft 8 drive mantles 4 are that the summit is around gyratory crusher center line OO with the centre of sphere O point of fixed type ball spherical bearing 61 top spheres
1Rotate, main shaft 8 also drives mantle 4 around self axes O O simultaneously
2Spinning motion, this motion of mantle 4 is called the precession campaign.Be in and be extruded and broken process when mantle 4 forwards when boring 5 surely ore to, and mantle 4 another sides leave and decide awl 5, the ore that is extruded broken this moment by own wt from mantle 4 with bore 5 bottoms surely and discharge.
Because existing spring gyratory crusher and multicylinder hydraulic formula gyratory crusher adopt fixed type ball spherical bearing and taper spindle, cause no matter existing gyratory crusher is to have many shortcomings in manufacturing or use, as complex structure, manufacturing and installation technology are bad, the manufacturing cost height, the energy consumption height, inefficiency, particularly fault rate height in use.
Summary of the invention
The objective of the invention is provides a kind of gyratory crusher at above-mentioned the deficiencies in the prior art, and this gyratory crusher has simple in structure, manufacturing and installation technology are good, low cost of manufacture, consumable accessory long service life, energy consumption is low, the low characteristics of fault rate in high efficiency and the use.
For achieving the above object, gyratory crusher of the present invention comprises power transmission shaft, bevel pinion, bevel gear wheel, mantle, fixed awl, main shaft, excentric sleeve, frame central sleeve, frame, it is characterized in that, there is floating type spherical bearing described mantle lower end, and floating type spherical bearing is between mantle and plane bearing seat, and the bottom sphere of the top sphere of floating type spherical bearing and mantle constitutes the spheric motion pair, constitute planar kinematic pair between the upper plane of the lower flat of floating type spherical bearing and planar axes bearing, described main shaft is a cylindrical spindle, and cylindrical spindle is inserted in and constitutes face of cylinder kinematic pair in the cylindrical bore of excentric sleeve, and described bevel gear wheel is packed in excentric sleeve top.
Another kind of gyratory crusher of the present invention, it comprises power transmission shaft, bevel pinion, bevel gear wheel, mantle, fixed awl, main shaft, excentric sleeve, frame central sleeve, frame, it is characterized in that, there is floating type spherical bearing described mantle lower end, and floating type spherical bearing is arranged on frame central sleeve upper end, and between mantle and frame central sleeve, the bottom sphere of the top sphere of floating type spherical bearing and mantle constitutes the spheric motion pair, constitute planar kinematic pair between the upper plane of the lower flat of floating type spherical bearing and frame central sleeve, described cylindrical spindle is inserted in and constitutes face of cylinder kinematic pair in the cylindrical bore of excentric sleeve, and described bevel gear wheel is packed in the excentric sleeve bottom.
Because mantle, main shaft, spherical bearing and excentric sleeve are the core components of spring gyratory crusher and multicylinder hydraulic formula disintegrating machine, be the key factor of decision gyratory crusher performance.The fixed type ball spherical bearing that the present invention will have on spring gyratory crusher and the multicylinder hydraulic formula gyratory crusher changes floating type spherical bearing into, during gyratory crusher work, the planar kinematic pair of floating type spherical bearing bottom, can guarantee that floating type spherical bearing has horizontal relative motion, thereby guaranteed that main shaft and mantle are not being interfered in the centre of sphere O of spherical bearing top sphere point precession motion process.The endoporus that traditional conical main shaft is made on cylindrical spindle, the excentric sleeve has made cylindrical hole into by bellmouth simultaneously, because cylindrical parts are than suitability is better mutually between the conical parts, the easier processing of parts, thereby can improve the manufacture craft of gyratory crusher parts, improve the precision of the processing of parts, gyratory crusher in use fault rate is low, the consumable accessory long service life.
Gyratory crusher of the present invention adopts floating type spherical bearing and cylindrical spindle structure, has overcome existing spring gyratory crusher and multicylinder hydraulic formula gyratory crusher because adopt the fixed type ball spherical bearing and taper spindle and the multinomial shortcoming of disintegrating machine that causes from root.Compare with existing gyratory crusher, gyratory crusher of the present invention is simple in structure, and manufacturing and mounting process are good, parts are easy to processing and machining accuracy is improved largely, during running the parts loss little, energy consumption reduces, the operational failure rate reduces significantly, and operating efficiency increases substantially.
Description of drawings
Fig. 1 is the structural representation of existing gyratory crusher;
Fig. 2 is the structural representation of a kind of gyratory crusher of the present invention;
Fig. 3 is the structural representation of another kind of gyratory crusher of the present invention.
The specific embodiment
Below in conjunction with Figure of description gyratory crusher of the present invention is described in further detail.
Gyratory crusher shown in Figure 2, it comprises power transmission shaft 2, bevel pinion 11, bevel gear wheel 3, mantle 4, surely bore 5, main shaft 8, excentric sleeve 9, frame central sleeve 10, frame 12, there is floating type spherical bearing 6 described mantle 4 lower ends, floating type spherical bearing 6 is between mantle 4 and plane bearing seat 7, the bottom sphere of the top sphere of floating type spherical bearing 6 and mantle 4 constitutes the spheric motion pair, constitutes planar kinematic pair between the last plane of the lower flat of floating type spherical bearing 6 and planar axes bearing 7, and described main shaft 8 is a cylindrical spindle, cylindrical spindle 8 is inserted in and constitutes face of cylinder kinematic pair in the cylindrical bore of excentric sleeve 9, and described bevel gear wheel 3 is packed in excentric sleeve 9 tops.Gyratory crusher is when work, planar kinematic pair between described floating type spherical bearing 6 bottoms and the planar axes bearing 7, can realize between floating type spherical bearing and the planar axes bearing horizontal relative motion being arranged, thereby guaranteed that cylindrical spindle is not being interfered in O point precession motion process.
Another kind of gyratory crusher shown in Figure 3, it comprises power transmission shaft 2, bevel pinion 11, bevel gear wheel 3, mantle 4, surely bore 5, main shaft 8, excentric sleeve 9, frame central sleeve 10, frame 12, there is floating type spherical bearing 6 described mantle 4 lower ends, floating type spherical bearing 6 is arranged on frame central sleeve 10 upper ends, and between mantle 4 and frame central sleeve 10, the bottom sphere of the top sphere of floating type spherical bearing 6 and mantle 4 constitutes the spheric motion pair, constitutes planar kinematic pair between the upper plane of the lower flat of floating type spherical bearing 6 and frame central sleeve 10, cylindrical spindle 8 is inserted in and constitutes face of cylinder kinematic pair in the cylindrical bore of excentric sleeve 9, and described bevel gear wheel 3 is packed in excentric sleeve 9 bottoms.Gyratory crusher is when work, planar kinematic pair between described floating type spherical bearing 6 bottoms and the frame central sleeve 10, can realize between floating type spherical bearing and the frame central sleeve horizontal relative motion being arranged, thereby guaranteed that cylindrical spindle is not being interfered in O point precession motion process.
Gyratory crusher of the present invention makes floating type spherical bearing into by the fixed type ball spherical bearing with existing spring gyratory crusher and multicylinder hydraulic formula gyratory crusher, cylindrical spindle is not being interfered in O point precession motion process, like this, overcome complex structure, the gyratory crusher manufacturing that the fixed type ball spherical bearing and the conical main shaft of existing gyratory crusher brought and installation technology is bad, manufacturing cost is high, energy consumption is high, inefficiency from root, particularly the high shortcoming of fault rate in operation process.