CN105903196A

CN105903196A - Abrasive disk

Info

Publication number: CN105903196A
Application number: CN201610290835.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhongshan Fengshen Electrical Appliance Co Ltd
Current assignee: Jiangsu Gaoyu Technology Development Co ltd
Priority date: 2013-05-25
Filing date: 2013-05-25
Publication date: 2016-08-31
Anticipated expiration: 2033-05-25
Also published as: CN105457285A; CN105457316A; CN105903196B; CN105833527B; CN105833528A; CN105833540A; CN105833527A; CN104174164A; CN104174164B

Abstract

An abrasive disk mainly consists of a supporting device, a fixing device and a rotating device, wherein a central through hole with the axis of the fixing device as the axis is formed in the fixing device. An upwards sunken positioning sleeve installing hole is formed in the lower end face of the rotating device. The effects of pressing the fixing device in two directions of a pressing disc and the supporting shaft are achieved by adjusting the distance of the pressing disc entering a supporting shaft. The supporting shaft is inserted into an installing hole formed in the bottom wall of a positioning sleeve to form male-female matching by embedding the positioning sleeve into the positioning sleeve installing hole of the rotating device and then installing the rotating device on the supporting shaft of the fixing device, and the rotating device and the positioning sleeve can rotate with the supporting shaft as the axis under the pushing of an external force. In addition, a locking bolt is ejected open through an ejection rod and is blocked by a stopping protrusion edge on the inner wall of the positioning sleeve so that the rotating device cannot move away from the supporting shaft.

Description

A kind of mill

Technical field

The present invention relates to a kind of mill that can rotate, belong to the optimisation technique of entertaining mill.

Background technology

Rotary-type tourist facilities are various in style, form is different, can be divided into large-scale and small-sized from the size of volume, large-scale as Ferris wheel, carrousel etc., small-sized such as the prayer wheel etc. in gyro, Tibetan Buddhist.

Rotary-type small-sized recreation facility involved in the present invention, is mainly made up of three parts, is positioned at the fixing device of lower section, Rotary apparatus above, and it is positioned at middle part, connect fixing device and the support means of rotary apparatus, generally, when in rotation When imposing motive force on rotary device, rotary apparatus will rotate with support means for axle center.The advantage of this structure is structure Simple easily realization, deficiency is in the rotary apparatus of top and may be lifted up by visitor, makes rotary apparatus depart from support means, This recreation facility is made can not normally to use, particularly when rotary apparatus is lifted, it is also possible to injure oneself or other people by a crashing object, bring danger Danger.

It addition, be typically to be provided with central through hole on rotary apparatus, support means passes central through hole, propping up at rotary apparatus two ends Fixing device is set on support arrangement and comes spacing and fixing, such as nut etc..But, arrange on the spinning device in running through up and down It is big not enough that heart through hole exists two: one is that some specifically designs, and does not use and runs through type and fix, and two is to be affected relatively by use environment Greatly, as rainwater, dust etc. easily ooze downwards along central through hole from the junction of support means with rotary apparatus, thus corrosion resistant support Device.Make rotary apparatus can not move away from support means it is, thus, sought for one has lock function, and rotary apparatus is not required to The device of the through hole run through up and down is set.

Summary of the invention

It is an object of the invention to: provide one to have lock function and make rotary apparatus can not move away from support means, and rotary apparatus Need not arrange the mill of the through hole run through up and down.

The technical scheme is that a kind of mill, be mainly made up of support means, fixing device 9 and rotary apparatus 10, Described fixing device 9 is provided with the central through hole with the axle center of fixing device 9 as axle；The lower surface of rotary apparatus 10 is provided with The positioning sleeve installing hole upwards caved in；Described support means is mainly by positioning sleeve 1, support shaft 2, platen 3, locking bolt 4, bullet Spring 5, back-up ring 6, push rod 7 and bearing 8 form；The diapire of positioning sleeve 1 is provided with the installing hole upwards caved in, by positioning sleeve Filling in rotary apparatus 10 from positioning sleeve installing hole, both form tight fit, then by the top of support shaft 2 from positioning sleeve 1 diapire On installing hole insert in positioning sleeve 1, both form negative and positive and coordinate, and rotary apparatus and positioning sleeve 1 can upper with support shaft 2 Portion is that axle rotates；The hole 24, cylindrical location upwards caved in it is provided with in the middle part of the diapire of support shaft 2；Support shaft is from fixing device 9 The central through hole of upper surface enters fixing device 9, and the top of platen 3 central through hole from fixing device other end enters fixing Device, the top of platen enters hole 24, location, support shaft 2 and platen 3 and passes through together with screwed, and both are from upper and lower two Individual direction is fixedly clamped fixing device；Fixing device is chassis, and rotary apparatus is rotation dish；Have between positioning sleeve and support shaft Tiny gap；The main body of push rod 7 is cylinder, and top is cone, and the root at push rod is provided with stop block outwardly, Push rod outer wall above stop block is provided with the screw thread matched with support shaft endoporus；The diapire of stop block is provided with and upwards caves in Adjustment hole, described adjustment hole is with the axle center of push rod as axle；Adjustment hole is for regulating push rod position in support shaft 2；Institute The adjustment hole stated uses inner hexagonal hole, regulates with interior hex tool.

The roof center of positioning sleeve 1 is provided with the oil storage tank 11 of concave downward, is used for storing lubricating oil；At oil storage tank bottom wall central It is provided with downward oilhole 12, enables the lubricating oil in oil storage tank to be permeated downwards by oilhole；Bottom wall central at positioning sleeve sets There is installing hole 13 upwardly, for being socketed with support shaft, be provided with thimble upwardly at the roof center of installing hole fixed Hole 14, position, oilhole 12 communicates with hole 14, thimble location, enables lubricating oil to permeate downwards the vertex of a cone wall of lubrication support shaft； Inwall at positioning sleeve 1 is provided with the stop bit bead 15 to inner process.

Support shaft 2 main body is cylinder, and middle part is provided with force bearing disk 21 outwardly；On cylinder above force bearing disk 21 Being provided with bearing stop bit platform 22, the cylindrical diameter above bearing stop bit platform is less than cylinder diameter below；Propping up Support axle top is provided with cylindrical thimble 23 upwardly, and the top of thimble 23 is cone；Location hole 24 inwall be provided with The screw thread that platen 3 matches, for being connected with platen 3；It is provided with upwardly extending jogger hole 25 at roof center, hole 24, location, Jogger hole 25 forms negative and positive with push rod 7 and coordinates；Two groups of the arrangement substantially symmetrical about its central axis with support shaft it are provided with on the top of support shaft Locking bolt hole 26, spring eye 27 and back-up ring hole 28；Often group locking bolt hole 26 coaxially and is mutually connected with back-up ring hole 28 with spring eye 27 Logical；Locking bolt hole 26 communicates with jogger hole 25, and back-up ring hole 28 communicates with the outer wall of support shaft；The aperture in locking bolt hole 26 is less than bullet The aperture in spring hole 27, the aperture of spring eye 27 is less than the aperture in back-up ring hole 28；The locking bolt hole 26 opening in jogger hole 25 Side under the cone of the cone being positioned at latch arm hole top；Locking bolt 4 outer wall is provided with circle position-arresting ring 41 outwardly, stop bit The diameter of ring 41 is more than the aperture in locking bolt hole 26.

Platen 3 includes the pressure disc 31 being positioned at bottom, and is located at pressure disc upper surface cylindrical adjustable column upwardly, The outer wall of adjustable column is provided with screw thread, is threaded connection for hole, the location inwall with support shaft, and platen center is provided with up/down perforation Through hole 32.

During assembling, first by positioning sleeve 1 in the lower surface of rotary apparatus press-in positioning sleeve installing hole, use grease gun nozzle pair Oilhole and fill lubricating oil to oil storage tank until being full of；Then assemble support shaft 2, bearing 8 is pressed onto bearing from the top of support shaft Stop bit platform；Locking bolt is provided with one end of position-arresting ring and inserts locking bolt hole from back-up ring hole, until position-arresting ring 41 props up near jogger hole The spring hole wall of one end, is enclosed within spring 5 on exposed locking bolt outside support shaft, spring 5 is pressed into locking bolt hole, back-up ring 6 It is enclosed within locking bolt, back-up ring 6 is pressed onto the back-up ring hole on support shaft 2 surface and fixes, make spring be compressed on back-up ring and locking bolt Between position-arresting ring, under the effect of external force, locking bolt can move left and right in the centre bore of spring and back-up ring, and support shaft 2 assembles Complete；Fixing device is vertically holded up fixing, or be placed on the workbench of lower hollow, the support shaft 2 assembled from fixing The upper surface of device is inserted in centre bore, until the force bearing disk 21 of support shaft props up the location, upper surface of fixing device；Supporting The roof in hole, axle location places rubber buffer, then platen 3 is inserted centre bore from the lower surface of fixing device, is screwed in support In the hole, location of axle 2, the lower surface of platen is made to embed in the platen hole of fixing device；Mounted fixing device by upper surface Put on the table upward, then the installing hole of the positioning sleeve on the rotary apparatus diapire assembled is directed at the support in fixing device Axle top, puts down rotary apparatus, makes support shaft enter installing hole, until the thimble 23 of support shaft withstands the thimble of positioning sleeve 1 The location, top in hole 14, location；Screw push rod 7 from the through hole of platen 3 lower surface, make push rod be moved upwardly into jogger hole 25, And overcome the elastic force of spring, and back down locking bolt, make locking bolt be displaced outwardly along locking bolt hole, when behind push rod top to the top of jogger hole, Locking bolt no longer moves, and two locking bolts one end outwardly lays respectively at the top of stop bit bead 15, makes the rotation dish can not be from chassis Take off；After being completed, by fixing device under, fixing device is fixed on ground or other are put down in upper mode by rotary apparatus On face, as long as imposing motive force on rotary apparatus outer wall, rotary apparatus will with support shaft for axle center Fang Xuan on the securing means Turn.

Central through hole near fixing device lower surface is expanded into platen hole, and the diameter in platen hole is identical with the diameter of pressure disc 31.

Beneficial effect

1, the distance of platen entrance support shaft is adjusted by screwing platen, it is achieved platen compresses solid with support shaft from both direction Determine the effect of device；

2, by positioning sleeve is inlaid in the positioning sleeve installing hole of rotary apparatus, then rotary apparatus is arranged on fixing device Support shaft on, make support shaft insert the installing hole on positioning sleeve diapire, both form negative and positive and coordinate, and rotate dress Put with positioning sleeve under the promotion of external force, it becomes possible to rotate with support shaft for axle, and, back down lock by push rod Bolt, the stop bit bead that locking bolt is arranged on positioning sleeve inwall is blocked, and makes rotary apparatus can not move away from support shaft.

Accompanying drawing explanation

Fig. 1 is the cross-sectional view of the positioning sleeve of the present invention；

Fig. 2 is the cross-sectional view of the support shaft of the present invention；

Fig. 3 is the A-A figure of Fig. 2；

Fig. 4 is the part section structural representation of the platen of the present invention；

Fig. 5 is the main TV structure schematic diagram of the locking bolt of the present invention；

Fig. 6 is the main TV structure schematic diagram of the push rod of the present invention；

Fig. 7 is that the master of the present invention regards cross-sectional view；

Fig. 8 is one embodiment of the present of invention.

Detailed description of the invention

As shown in Figure 8, a kind of mill, it is mainly made up of support means, fixing device 9 and rotary apparatus 10, described Fixing device 9 is provided with the central through hole with the axle center of fixing device 9 as axle；The lower surface of rotary apparatus 10 is provided with concave up The positioning sleeve installing hole fallen into；The bottom of described support means is placed in the central through hole of fixing device 9, and top is placed in rotation In positioning sleeve installing hole on rotary device 10 diapire；Imposing motive force on the sidewall of rotary apparatus, rotary apparatus will be to prop up Support arrangement is that axle center rotates.

As it is shown in fig. 7, support means mainly by positioning sleeve 1, support shaft 2, platen 3, locking bolt 4, spring 5, back-up ring 6, Push rod 7 and bearing 8 form.The top of the support means of mill is for being connected with rotary apparatus 10, and bottom is used for and fixing dress Put 9 to be connected, make rotary apparatus 10 can rotate for axle with support means.

Rotary apparatus and fixing device generally select cylinder.

In actual application, described fixing device 9 is provided with the central through hole with the axle center of fixing device 9 as axle；Rotation The lower surface of rotary device 10 is provided with the positioning sleeve installing hole upwards caved in, and the roof of positioning sleeve installing hole is positioned at rotary apparatus 10, It is not through hole.The bottom of described support means is placed in the central through hole of fixing device 9, and top is placed in rotary apparatus In positioning sleeve installing hole on 10 diapires；Imposing motive force on the sidewall of rotary apparatus, rotary apparatus will be with support means Rotate for axle center.

The diapire of positioning sleeve 1 is provided with the installing hole upwards caved in, and from positioning sleeve installing hole, positioning sleeve is filled in rotary apparatus 10, Both form tight fit, then insert in positioning sleeve 1 by the top of support shaft 2 installing hole from positioning sleeve 1 diapire, both shapes Becoming negative and positive to coordinate, rotary apparatus and positioning sleeve 1 can rotate with the top of support shaft 2 for axle；Set in the middle part of the diapire of support shaft 2 There is concave up sunken hole 24, cylindrical location；The support shaft central through hole from fixing device 9 upper surface enters fixing device 9, pressure The top of dish 3 central through hole from fixing device other end enters fixing device, and the top of platen enters hole 24, location, Together with support axle 2 passes through screwed with platen 3, both are fixedly clamped fixing device from upper and lower both direction.

As it is shown in figure 1, the roof center of positioning sleeve 1 is provided with the oil storage tank 11 of concave downward, it is used for storing lubricating oil；In storage Oil groove bottom wall central is provided with downward oilhole 12, enables the lubricating oil in oil storage tank to be permeated downwards by oilhole；At positioning sleeve Bottom wall central be provided with the installing hole 13 upwards caved in, for and support shaft socket, be provided with upwards at the roof center of installing hole The hole 14, thimble location of projection, after positioning sleeve is enclosed within support shaft, support shaft thimble is located just in hole 14, thimble location, Both form clearance fit, and oilhole 12 communicates with hole 14, thimble location, enables lubricating oil to permeate downwards the cone of lubrication support shaft Top wall surface.Inwall at positioning sleeve 1 is provided with the stop bit bead 15 to inner process, is used for blocking locking bolt 4, prevents rotary apparatus 10 are lifted in support shaft 2.

As shown in Figures 2 and 3, support shaft 2 main body is cylinder, and middle part is provided with force bearing disk 21 outwardly；At load Cylinder above dish 21 is provided with bearing stop bit platform 22, and the cylindrical diameter above bearing stop bit platform is less than below Cylinder diameter；Be provided with cylindrical thimble 23 upwardly at support shaft top, the top of thimble 23 is cone；? Being provided with the hole 24, cylindrical location upwards caved in the middle part of support axle 2 diapire, hole 24, location inwall is provided with the spiral shell matched with platen 3 Stricture of vagina, for being connected with platen 3；Upwardly extending jogger hole 25, jogger hole 25 and top it is provided with at roof center, hole 24, location Bar 7 forms negative and positive and coordinates；Two groups of locking bolt holes 26, bullets of the arrangement substantially symmetrical about its central axis with support shaft it are provided with on the top of support shaft Spring hole 27 and back-up ring hole 28；Often group locking bolt hole 26 and spring eye 27 and back-up ring hole 28 coaxially and interconnect；Locking bolt hole 26 Communicating with jogger hole 25, back-up ring hole 28 communicates with the outer wall of support shaft；The aperture in locking bolt hole 26 is less than the aperture of spring eye 27, The aperture of spring eye 27 is less than the aperture in back-up ring hole 28；Further, the locking bolt hole 26 opening in jogger hole 25 is located just at lock Side under the cone of the cone at rod aperture top.

As shown in Figure 4, platen 3 includes the pressure disc 31 being positioned at bottom, and is located at pressure disc upper surface circle upwardly Cylindricality adjustable column, the outer wall of adjustable column is provided with screw thread, is threaded connection for hole, the location inwall with support shaft, it is possible to regulation Platen position in hole, support shaft location；Platen center is provided with the through hole 32 of up/down perforation.

As it is shown in figure 5, locking bolt 4 outer wall is provided with circle position-arresting ring 41 outwardly, the diameter of position-arresting ring 41 is more than locking bolt The aperture in hole 26, position-arresting ring is for being fixed on spring 5 between position-arresting ring and back-up ring 6.

When one of locking bolt 4 is inserted from back-up ring hole 28, after spring eye 27, enter locking bolt hole 26, then spring 5 It is enclosed within locking bolt, spring 5 is pressed into spring eye 27, then back-up ring 6 is enclosed within locking bolt, back-up ring 6 is pressed onto support shaft 2 table The back-up ring hole in face is also fixed, and makes spring be compressed in the spring eye between the position-arresting ring on back-up ring and locking bolt, in the effect of external force Under, locking bolt can move left and right in the centre bore of spring and back-up ring.

The fixing of back-up ring 6 generally uses the modes such as spot welding.

When push rod 7 does not the most back down locking bolt 4, due to the elastic force effect of spring, spring handle position-arresting ring 41 is pressed on spring eye On the wall of jogger hole 25 one end, at this moment, locking bolt submerges in support shaft 2 completely.

As shown in Figure 6, the main body of push rod 7 is cylinder, and top is cone, and the root at push rod is provided with outwardly Stop block, the push rod outer wall above stop block is provided with the screw thread matched with support shaft endoporus；The diapire of stop block is provided with The adjustment hole upwards caved in, described adjustment hole is with the axle center of push rod as axle；Adjustment hole is for regulating push rod in support shaft 2 Position；Described adjustment hole uses inner hexagonal hole, regulates with interior hex tool.

Oilhole wall is provided with oil seepage slot, enables lubricating oil to ooze downwards.Owing to having between positioning sleeve and support shaft Tiny gap, therefore, air can be entered by these gaps, enables lubricating oil to ooze downwards, to lubricate support The outer wall on axle top.

During as it is shown in fig. 7, assemble support means, first assemble support shaft 2, bearing 8 is only pressed onto bearing from the top of support shaft Bit platform；Locking bolt is provided with one end of position-arresting ring and inserts locking bolt hole from back-up ring hole, until position-arresting ring 41 props up near jogger hole one The spring hole wall of end, is enclosed within spring 5 on exposed locking bolt outside support shaft, spring 5 is pressed into locking bolt hole, back-up ring 6 is overlapped On locking bolt, back-up ring 6 it is pressed onto the back-up ring hole on support shaft 2 surface and fixes, making spring be compressed in back-up ring and stopping on locking bolt Between the ring of position, under the effect of external force, locking bolt can move left and right in the centre bore of spring and back-up ring, and support shaft 2 has assembled Becoming, at this moment, locking bolt submerges support shaft 2 completely, it is possible to take off bearing from support shaft top or bearing is pressed onto bearing stop bit platform On.Again positioning sleeve is connected with support shaft 2 from the two ends of support shaft respectively with platen, then push rod 7 is solid from platen bottom up It is scheduled in support shaft 2, is combined into support means.

As shown in Figure 8, in actual application, when the present invention is for mill, fixing device is chassis 9, and rotary apparatus is Rotation dish 10.During assembling, first by positioning sleeve 1 in the lower surface of rotation dish 10 press-in positioning sleeve installing hole, use butter Rifle mouth fills lubricating oil facing to oilhole to oil storage tank until being full of；Again chassis 9 is vertically holded up fixing, or be placed on the work of lower hollow In station, the support shaft 2 assembled is inserted centre bore from the upper surface on chassis, until the force bearing disk 21 of support shaft props up The location, upper surface on chassis 9；Roof in hole, support shaft location places rubber buffer, then platen 3 from the lower surface on chassis Insert centre bore, be screwed in the hole, location of support shaft 2, make in the platen hole on embedding chassis, lower surface of platen；Installing Chassis put on the table upward by upper surface, then the positioning sleeve that the rotation assembled is tried to get to the heart of a matter on wall installing hole alignment chassis On support shaft top, put down rotation dish, make support shaft enter installing hole, until the thimble 23 of support shaft withstands positioning sleeve 1 Thimble location hole 14 top location；Screw push rod 7 from the through hole of platen 3 lower surface, make push rod be moved upwardly into top Rod aperture 25, and overcome the elastic force of spring, back down locking bolt, make locking bolt be displaced outwardly along locking bolt hole, when jogger hole is arrived on push rod top After Shang Duan, locking bolt no longer moves, and two locking bolts one end outwardly lays respectively at the top of stop bit bead 15, makes rotation dish not Can take off from chassis；After being completed, between rotation dish 10 and chassis 9, leave space, to reduce between two end faces Frictional force, by chassis 9 under, chassis is fixed in ground or other planes by rotation dish 10 in upper mode, as long as turn Imposing motive force on Moving plate 10 outer wall, rotation dish 10 will rotate above on chassis with support shaft for axle center.

Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, the art Those of ordinary skill, in the essential scope of the present invention, make a variety of changes or substitute, also should belong to the protection model of the present invention Farmland.

Claims

1. a mill, is mainly made up of support means, fixing device (9) and rotary apparatus (10), it is characterised in that: Described fixing device (9) is provided with the central through hole as axle of the axle center with fixing device (9)；Rotary apparatus (10) Lower surface be provided with the positioning sleeve installing hole upwards caved in；Described support means is mainly by positioning sleeve (1), support Axle (2), platen (3), locking bolt (4), spring (5), back-up ring (6), push rod (7) and bearing (8) composition； The diapire of positioning sleeve (1) is provided with the installing hole upwards caved in, and from positioning sleeve installing hole, positioning sleeve is filled in rotation dress Putting (10), both form tight fit, then by the top of support shaft (2) installing hole from positioning sleeve (1) diapire Inserting in positioning sleeve (1), both form negative and positive and coordinate, and rotary apparatus and positioning sleeve (1) can be with support shaft (2) Top be axle rotate；Cylindrical hole, the location (24) upwards caved in it is provided with in the middle part of the diapire of support shaft (2)；? The support axle central through hole from fixing device (9) upper surface enters fixing device (9), and the top of platen (3) is from solid The central through hole determining device other end enters fixing device, and the top of platen enters hole, location (24), support shaft (2) Passing through together with screwed with platen (3), both are fixedly clamped fixing device from upper and lower both direction；Fixing Device is chassis, and rotary apparatus is rotation dish；Tiny gap is had between positioning sleeve and support shaft；Push rod (7) Main body is cylinder, and top is cone, and the root at push rod is provided with stop block outwardly, on stop block The push rod outer wall of side is provided with the screw thread matched with support shaft endoporus；The diapire of stop block is provided with and upwards caves in Adjustment hole, described adjustment hole is with the axle center of push rod as axle；Adjustment hole is used for regulating push rod in support shaft (2) Position；Described adjustment hole uses inner hexagonal hole, regulates with interior hex tool.

Mill the most according to claim 1, it is characterised in that: the roof center of positioning sleeve (1) is provided with concave downward Oil storage tank (11), is used for storing lubricating oil；It is provided with downward oilhole (12) at oil storage tank bottom wall central, makes oil storage Lubricating oil in groove can be permeated downwards by oilhole；Bottom wall central at positioning sleeve is provided with installing hole upwardly (13), for being socketed with support shaft, thimble hole, location (14) upwardly it is provided with at the roof center of installing hole, Oilhole (12) communicates with thimble hole, location (14), enables lubricating oil to permeate downwards the vertex of a cone wall of lubrication support shaft Face；Inwall at positioning sleeve (1) is provided with the stop bit bead (15) to inner process.

Mill the most according to claim 1, it is characterised in that: support shaft (2) main body is cylinder, middle part be provided with to Outer prominent force bearing disk (21)；The cylinder of force bearing disk (21) top is provided with bearing stop bit platform (22), Cylindrical diameter above bearing stop bit platform is less than cylinder diameter below；Be provided with at support shaft top to The cylindrical thimble (23) of upper process, the top of thimble (23) is cone；Location hole (24) inwall be provided with The screw thread that platen (3) matches, for being connected with platen (3)；Location hole (24) roof center be provided with to The jogger hole (25) of upper extension, jogger hole (25) forms negative and positive with push rod (7) and coordinates；Top in support shaft It is provided with two groups of locking bolt holes (26) of the arrangement substantially symmetrical about its central axis with support shaft, spring eye (27) and back-up ring hole (28)； Often group locking bolt hole (26) and spring eye (27) and back-up ring hole (28) coaxially and interconnect；Locking bolt hole (26) Communicating with jogger hole (25), back-up ring hole (28) communicate with the outer wall of support shaft；The aperture in locking bolt hole (26) is little In the aperture of spring eye (27), the aperture of spring eye (27) is less than the aperture in back-up ring hole (28)；Locking bolt hole (26) Side under the cone of the cone that the opening in jogger hole (25) is positioned at latch arm hole top；Set on locking bolt (4) outer wall Having circle position-arresting ring (41) outwardly, the diameter of position-arresting ring (41) is more than the aperture in locking bolt hole (26).

Mill the most according to claim 1, it is characterised in that: platen (3) includes the pressure disc (31) being positioned at bottom, Be located at pressure disc upper surface cylindrical adjustable column upwardly, the outer wall of adjustable column is provided with screw thread, for Hole, the location inwall of support shaft is threaded connection, and platen center is provided with the through hole (32) of up/down perforation.

5. according to the mill described in any one of claim 1 to 4, it is characterised in that: during assembling, first by positioning sleeve (1) In the lower surface of rotary apparatus press-in positioning sleeve installing hole, grease gun nozzle is used to fill lubrication facing to oilhole to oil storage tank Oil is until being full of；Then assemble support shaft (2), bearing (8) is pressed onto bearing stop bit platform from the top of support shaft； Locking bolt is provided with one end of position-arresting ring and inserts locking bolt hole from back-up ring hole, until position-arresting ring (41) props up near jogger hole The spring hole wall of one end, is enclosed within spring (5) on exposed locking bolt outside support shaft, spring (5) press-in lock Keyhole, is enclosed within back-up ring (6) on locking bolt, back-up ring (6) is pressed onto the back-up ring hole on support shaft (2) surface and fixes, Make spring be compressed between the position-arresting ring on back-up ring and locking bolt, under the effect of external force, locking bolt can at spring and Moving left and right in the centre bore of back-up ring, support shaft (2) is completed；Fixing device is vertically holded up fixing, or put On the workbench of lower hollow, the support shaft (2) assembled is inserted centre bore from the upper surface of fixing device, Until the force bearing disk (21) of support shaft props up the location, upper surface of fixing device；Roof in hole, support shaft location is put Put rubber buffer, then platen (3) is inserted centre bore from the lower surface of fixing device, be screwed in support shaft (2) Hole, location in, make platen lower surface embed fixing device platen hole in；Mounted fixing device by upper End face is put on the table upward, then the installing hole of the positioning sleeve on the rotary apparatus diapire assembled is directed at fixing Support shaft top on device, puts down rotary apparatus, makes support shaft enter installing hole, until the thimble of support shaft (23) Withstand the location, top of thimble hole, location (14) of positioning sleeve (1)；Screw from the through hole of platen (3) lower surface Push rod (7), makes push rod be moved upwardly into jogger hole (25), and overcomes the elastic force of spring, backs down locking bolt, makes lock Bolt is displaced outwardly along locking bolt hole, when, behind push rod top to the top of jogger hole, locking bolt no longer moves, and two locking bolt courts Outer one end lays respectively at the top of stop bit bead (15), makes rotation dish can not take off from chassis；It is completed After, by fixing device under, fixing device is fixed in ground or other planes by rotary apparatus in upper mode, As long as imposing motive force on rotary apparatus outer wall, rotary apparatus will be square on the securing means with support shaft for axle center Rotate.

Mill the most according to claim 4, it is characterised in that: the central through hole near fixing device lower surface is expanded into Platen hole, the diameter in platen hole is identical with the diameter of pressure disc (31).