CN102720450A - Automatic twisting machine of spindle-type drilling machine - Google Patents
Automatic twisting machine of spindle-type drilling machine Download PDFInfo
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- CN102720450A CN102720450A CN2012101981439A CN201210198143A CN102720450A CN 102720450 A CN102720450 A CN 102720450A CN 2012101981439 A CN2012101981439 A CN 2012101981439A CN 201210198143 A CN201210198143 A CN 201210198143A CN 102720450 A CN102720450 A CN 102720450A
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Abstract
The invention provides an automatic twisting machine of a spindle-type drilling machine. The automatic twisting machine comprises a dismounting mechanism, a clamping mechanism and a punching mechanism, wherein the dismounting mechanism is driven by a gear, drives a shifting ring and a moving fork to clamp an upper-section drill rod; the clamping mechanism is provided with an annular oil cylinder, a roller row and a slip which are matched with each other, so that the self-weight clamping and hydraulic clamping are combined, the clamping force is large, the clamping mechanism is reliable, and the energy consumption is reduced; and the punching mechanism can transmit instant impact force to a gear wheel in case that the power of the gear wheel is insufficient, so that the gear wheel can be dismounted smoothly. The twisting machine has the advantages of simple and reasonable structure, large clamping force, small occupation area and low energy consumption, thus being an ideal automatic twisting machine of a spindle-type drilling machine.
Description
[technical field]
The present invention relates to a kind of spindle-type drill, particularly a kind of automatic twisting machine of spindle-type drill.
[background technology]
Spindle-type drill is a kind of rotary drill commonly used in the geological drilling.The slew gear of this rig has one section long vertical shaft (about 1 meter), drives the drilling tool revolution, realizes feeding and the correcting drilling tool with it, so the name spindle-type drill.It can bore the angling hole of upright opening and certain limit in the rock of various hardness.When creeping into shallow bore hole and inclined hole, the correcting effect of vertical shaft is particularly remarkable.
Twisting machine is when the drilling of geological drilling, is used for a kind of machinery of unloading drilling rod.It can replace manpower unloading drilling rod, alleviates labor strength, improves the up-down operating efficiency.By the kind of drive, twisting machine divides two kinds of hydraulic pressure transmission and machine driving, China generally use be the hydraulic pressure twisting machine.
Research and development to twisting machine at present also have much; As disclosed at 2011-07-06; Application number is 201020635083.9 Chinese utility model, has disclosed a kind of hydraulic pressure twisting machine that is used for the drilling rod unloading, and it mainly comprises upper clamp, lower clamp and tongs three parts.Wherein lower clamp is fixed on the aperture, is used for drilling rod in the clamping hole, and anti-falling stop bar incident takes place; Upper clamp is the main part of twisting machine, is used to realize the high pulling torque unloading button of top rod, and effect is to clamp drilling rod and unloading drilling rod; Tongs is mainly used in the openings that lets of twisting machine, thereby reduces the area of offshore boring island, reduces drilling cost.Because its tongs need use suspension gear, had relatively high expectations in the fabricating yard, and its clamping device do not have automatic clamping function, complete outer power clamps, and it is bigger to consume energy.
The disclosed application number of 2010-12-15 is that 201020184423.0 Chinese utility model patent provides a kind of following pincers that are applicable to the high pulling torque hydraulic pressure unloading equipment-hydraulic pressure twisting machine of outer flush drill stem for another example, and it comprises that tong holder, slip spider, first eccentric block, second eccentric block, first slips, second slips, eccentric block drive hydraulic cylinder down, moves horizontally the hydraulic cylinder fixed head, synchronous plate, eccentric block drive hydraulic cylinder frame, first drive pin, second drive pin; All between first baffle plate and second baffle and be shelved on the base plate, first slips and second slips constitute clamping chamber under the drilling rod for first slips, second slips, and first eccentric block contacts with first slips, and second eccentric block contacts with second slips; The piston rod and the synchronous plate of eccentric block driving hydraulic cylinder are hinged, and first drive pin on first eccentric block is positioned at the strip sliding eye, and second drive pin on second eccentric block is positioned at the strip sliding eye.The following wrench structure of the hydraulic pressure twisting machine of this utility model is complicated, and its clamping device do not have automatic clamping function, and complete outer power clamps, and it is bigger to consume energy.
[summary of the invention]
The technical problem that the present invention will solve is to provide a kind of stubborn pipe unit of spindle-type drill, and simple and reasonable, chucking power is big, and energy consumption is little.
The present invention is achieved in that a kind of automatic twisting machine of spindle-type drill, comprises that a unloading mechanism, a clamping device and are towards the deduction structure;
Said unloading mechanism comprises that a CD-ROM drive motor, a pinion, a gear wheel, a ring and remove fork; Said CD-ROM drive motor drives the gear wheel rotation through said pinion; Said ring comprises two bumping posts and the retainer ring that is connected the bumping post bottom; Said retainer ring is fixedly connected on the gear wheel; The said fork of removing comprises a prong and card handle, and the epimere drilling rod of the said rig of said prong clamping, said card handle are fastened between two bumping posts of said ring;
Said clamping device comprises an annular cylinder, one first compression spring, a base plate and a plurality of corresponding row of rollers and slips that is provided with; Said annular cylinder comprises that also at the bottom of clamping cylinder barrel, clamping piston and the clamping cylinder, said clamping piston is located at and clamps in the cylinder barrel, is connected in the clamping cylinder tube bottom at the bottom of the said clamping cylinder; Have up big and down small storage tank in the said clamping piston, said a plurality of slips are up big and down small, are positioned in the said storage tank and the hypomere drilling rod of the said rig of clamping; The inwall of storage tank forms the inclined-plane corresponding with slips quantity; The direction on said inclined-plane is that the upper end is outside, and the lower end is inside, and the back side of said slips is slidedly arranged on the said inclined-plane through said row of rollers; The said first compression spring is located between the bottom and said base plate of a plurality of slips, and base plate is provided with drilling rod and passes through the hole;
Saidly comprise a straight line oil cylinder, a lever, at least one elastic pawl device towards the deduction structure; Said lever comprises connecting portion and the ring rotation portion that is wholely set; Connecting portion connects the straight line piston of said straight line oil cylinder; The adjacent coaxial setting of ring rotation portion with said gear wheel; And said elastic pawl device is located between ring rotation portion and the gear wheel, and said elastic pawl device connects as one ring rotation portion and gear wheel under a state, and under another state, ring rotation portion and gear wheel is unclamped.
Preferable, unloading mechanism also comprises the core pipe of a hollow form, this core pipe is located at the axial region of said gear wheel, for gear wheel provides axis of rotation; Said unloading mechanism also comprises a pressure ring, and said pressure ring is pressed in the top of said gear wheel and core pipe.
Preferable; Said twisting machine also comprises a pedestal and a loam cake; Loam cake is connected in the top of said pedestal; One end, lever, the elastic pawl device of the pinion of said unloading mechanism, gear wheel, core pipe and said straight line oil cylinder towards the deduction structure all are located at said pedestal and are connected with loam cake in the space that surrounds, and said CD-ROM drive motor and ring are located at the loam cake top.
Preferable, the slips quantity in the said clamping device is 2, also is provided with a slips mold insert on the clamping face of said slips, and two slips are provided with in opposite directions, makes two slips mold inserts surround a hexagon or circular clamping chamber.
Preferable; Said clamping device comprises that also one is used to the retaining head that card is established the said first compression spring; This retaining head comprises two columns and a connecting ring, and two columns are connected the below at said connecting ring one diameter two ends, and this two column lays respectively at the both sides in said clamping chamber.
Preferable, said elastic pawl device further comprises a ratchet, one second compression spring; The ring rotation portion of said lever is located at the bottom of said gear wheel; And said gear wheel is provided with at least one groove; The upper end of the said second compression spring is fixedly connected on the bottom of said groove, and the lower end connects ratchet, and the upper surface annular of said ring rotation portion is laid with a plurality of spinous foramens; Said ratchet axially inserts a wherein said spinous foramen under the state of the straight line piston-advance of straight line oil cylinder, and under the state that the straight line piston is retreated, withdraws from said spinous foramen.The upper end of said ratchet is the adjustable side, and the lower end has a planing surface, and said adjustable side is axially arranged with two open slots, and said planing surface has a high-end and low side; Said elastic pawl device also comprises the ratchet adjusted device; Said ratchet adjusted device comprise one as the accent of said groove base plate to a gland and a trip bolt; The upper end of the said second compression spring is fixedly connected on this accent on gland, and said accent is provided with at least one first screw to gland; And said accent is provided with a straight trough to the upper surface of gland, soffit be axially arranged with two the card posts corresponding with said two open slots; The corresponding said straight trough of said ring offers one and transfers to the hole, and corresponding said first screw offers two 180 degree, second screws of being separated by; Said accent come through straight trough to gland the said planing surface of rotation adjusting high-end and low side towards, and make first screw and wherein one second screw aim at the back through trip bolt locking.Said elastic pawl device is for arranging that in pairs its quantity is two pairs, the center of two elastic pawl devices of every pair 180 degree of being separated by; The line at two pairs of elastic pawl device centers be separated by 80 the degree; Spinous foramen quantity on the said lever is 9, the center of wantonly two adjacent spinous foramens be separated by 40 the degree; The rotational travel of said lever is 37 degree.
Or: said elastic pawl device further comprises a ratchet, one second compression spring; The ring rotation portion of said lever is located at the bottom of said gear wheel; Said ring rotation portion upper surface also is provided with a groove; The said second compression spring lower end is fixedly connected on the bottom of groove, and the upper end of the second compression spring connects said ratchet, and the bottom surface annular of said gear wheel is laid with a plurality of spinous foramens; Said ratchet inserts a wherein said spinous foramen under the state of the straight line piston-advance of straight line oil cylinder, and under the state that the straight line piston is retreated, withdraws from said spinous foramen.The bottom of the groove of said lever ring rotation portion is a dismountable cover plate, and the said second compression spring lower end is fixedly connected on this cover plate.
The present invention has following advantage: twisting machine of the present invention comprises unloading mechanism, a clamping device and towards the deduction structure, and unloading mechanism adopts gear drive, drives ring and removes the tight epimere drilling rod of fork; Clamping device is provided with the structure that matches of annular cylinder, row of rollers and slips, reaches deadweight clamping and hydraulic pressure clamping and combines, and chucking power is big and reliable, can also cut down the consumption of energy; Can under the not enough situation of gear wheel strength, transmit an instantaneous impact force and give gear wheel, towards the setting of deduction structure to assist the smooth unloading of gear wheel; Twisting machine of the present invention is simple and reasonable, and chucking power is big, and floor space is little; Energy consumption is little, is the automatic twisting machine of a desirable spindle-type drill.
[description of drawings]
Combine embodiment that the present invention is further described with reference to the accompanying drawings.
Fig. 1 is the perspective view of twisting machine of the present invention.
Fig. 2 is the plan structure sketch map of twisting machine of the present invention, wherein has part to analyse and observe.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the C-C sectional view of Fig. 2.
Fig. 5 is the structural representation of the clamping piston of annular cylinder in the clamping device of the present invention.
Fig. 6 is slips structural representation in the clamping device of the present invention.
Fig. 6 A is two structural representations that slips is provided with in opposite directions in the clamping device of the present invention.
Fig. 7 and Fig. 8 are clamping device clamped condition of the present invention and relaxation state structural representation.
Fig. 9 is the structural representation of gear wheel one embodiment in the unloading of the present invention mechanism.
Figure 10 overlooks and the forward sight structural representation for the present invention embodiment of lever in the deduction structure.
Figure 10 A is the B-B sectional view of Figure 10.
The structural representation that Figure 11 cooperates with gear wheel towards the deduction structure for the present invention.
Figure 12 A and Figure 12 B are the two states sketch map of the present invention towards elastic pawl device one embodiment of deduction structure.
Figure 13 and Figure 13 A are the perspective view and the axial sectional structure sketch map of ratchet.
Figure 14 and Figure 14 A are that ratchet is transferred perspective view and the plan structure sketch map to structure.
Figure 15 is the structural representation of the present invention towards another embodiment of elastic pawl device of deduction structure.
[specific embodiment]
To shown in Figure 4, the automatic twisting machine 10 of spindle-type drill of the present invention comprises that a unloading mechanism 1, a clamping device 2, are towards deduction structure 3, a pedestal 4 and a loam cake 5 like Fig. 1.Wherein, Clamping device 1 is used for the bottom of clamping drilling rod; Unloading mechanism 2 is used to rotate epimere drilling rod 20 and so that epimere drilling rod 40 is unloaded perhaps from hypomere drilling rod 20 epimere drilling rod 20 is screwed in hypomere drilling rods 40; Saidly be used for the impact force of 1 moment, make unloading mechanism 1 have enough strength that epimere drilling rod 20 is outwarded winding from hypomere drilling rod 40 to unloading mechanism towards deduction structure 3., also can be used for epimere drilling rod 20 and be screwed into hypomere drilling rod 40 rear catch through adjustment ratchet direction towards deduction structure 3, guarantee two sections drilling rod locking programs.
Said unloading mechanism 1 comprises that a CD-ROM drive motor 11 (can be hydraulic motor), a pinion 12, a gear wheel 13, the core pipe 14 of hollow form, a ring 15, remove fork 16 and one pressure ring 17; Said CD-ROM drive motor 11 drives gear wheel 13 rotations through said pinion 12; Said core pipe 14 is located at the axial region of said gear wheel 13; For gear wheel 13 provides axis of rotation, said ring 15 comprises two bumping posts 151 and the retainer ring 152 that is connected bumping post 151 bottoms, and said retainer ring 152 is fixedly connected on the gear wheel 13 through screw 18; The said fork 16 of removing comprises a prong 161 and card handle 162; The epimere drilling rod 20 of the said rig of said prong 161 clampings, said card handle 162 are fastened between two bumping posts 151 of said ring 15, and said pressure ring 17 is pressed in the top of said gear wheel 13 and core pipe 14.
To shown in Figure 8, said clamping device 2 comprises that an annular cylinder 21, one first compresses spring 22, a base plate 23 and a plurality of corresponding row of rollers 24 and slips 25 that is provided with like Fig. 3; Said annular cylinder 21 also comprises and clamps at the bottom of cylinder barrel 211, clamping piston 212 and the clamping cylinder 213; Said clamping piston 212 is located at and clamps in the cylinder barrel 211, and 213 are connected in the bottom that clamps cylinder barrel 211 at the bottom of the said clamping cylinder, have up big and down small storage tank 2122 in the said clamping piston 212; Said a plurality of slips 25 is up big and down small; Be positioned in the said storage tank 2122 and the hypomere drilling rod 40 of the said rig of clamping, the inwall of storage tank 2122 forms the inclined-plane 2124 corresponding with slips quantity, and the direction on said inclined-plane 2124 is that the upper end is outside; The lower end is inside; The back side 252 of said slips 25 is slidedly arranged on the said inclined-plane 2124 through said row of rollers 24, and the said first compression spring 22 is located between the bottom and said base plate 23 of a plurality of slips 25, and base plate 23 is provided with drilling rod through hole 232.In the present embodiment, several 25 amounts of the slips in the said clamping device 2 are 2, and two slips 25 are provided with in opposite directions, also are provided with a slips mold insert 256 on the clamping face of slips 25.And surround the clamping chamber 254 of hexagonal shape, but invention is not limited thereto, and also can obtain circular clamping chamber 254 through changing slips mold insert 256.In order to prevent that the first compression spring 22 stably is limited in the bottom of said slips 25; Said clamping device 2 comprises that also one is used to the retaining 26 that card is established the said first compression spring 22; This retaining 26 comprises two columns 262 and a connecting ring 264; Two columns 262 are connected the below at said connecting ring 264 1 diameter two ends, and this two column 262 lays respectively at the both sides in said clamping chamber 254.The setting of the first compression spring 22 is to move down and when unclamping slips 25 at clamping piston 212, produces elastic force upwards and sinks to tightening drilling rod to offset slips 25 because of self gravity.
Please main reference Fig. 9 to Figure 14 A, saidly comprise a straight line oil cylinder 31, a lever 32, at least one elastic pawl device 33 towards deduction structure 3; Said lever 32 comprises the connecting portion 321 and ring rotation portion 322 that is wholely set; Connecting portion 321 connects the straight line piston 311 of said straight line oil cylinder 31; Ring rotation portion 322 and said gear wheel 13 adjacent coaxial settings; And said elastic pawl device 33 is located between ring rotation portion 322 and the gear wheel 13, and said elastic pawl device 33 connects as one ring rotation portion 322 under a state with gear wheel 13, and under another state, ring rotation portion 322 is unclamped with gear wheel 13.Wherein, said elastic pawl device 33 comprises a ratchet 331 and one second compression spring 332, and it has following two kinds form is set:
First kind, be that the ratchet 331 and the second compression spring 332 are fixed on gear wheel 13, and when gear wheel 13 rotates a certain angle, insert in the lever 32 and connect as one.Specifically: the ring rotation portion 322 coaxial bottoms that are located at said gear wheel 13 of said lever 32; And said gear wheel 13 is provided with at least one downward opening groove 131; The upper end of the said second compression spring 332 is fixedly connected on the bottom (upper end of groove is a bottom portion of groove) of said groove 131; The lower end connects ratchet 331; The upper surface annular of said ring rotation portion 322 is laid with a plurality of spinous foramens 3225, and said ratchet 331 axially inserts a wherein said spinous foramen 3225 under the state that the straight line piston 311 of straight line oil cylinder 31 advances, and under the state that straight line piston 311 is retreated, withdraws from said spinous foramen 3325.
The upper end of said ratchet 331 is the adjustable side, and the lower end has a planing surface 3312, and said adjustable side is axially arranged with two open slots 3314, and said planing surface 3312 has one high-end 33121 and one low side 33122.
Said elastic pawl device 33 also comprises ratchet adjusted device 333; Said ratchet adjusted device 333 comprise one as the accent of said groove 3314 base plates to a gland 3331 and a trip bolt 3332; The upper end of the said second compression spring 332 is fixedly connected on this accent on gland 3331, and said accent is provided with at least one first screw 3333 to gland 3331; And said accent is provided with a straight trough 3334 to the upper surface of gland 3331, soffit be axially arranged with two the card posts 3335 corresponding with said two open slots 3314; Said ring 15 corresponding said straight troughs 3334 offer one and transfer to hole 153, and corresponding first screw 3333 offers two 180 degree, second screws 154 of being separated by; Said accent come through straight trough 3334 to gland 3331 the said planing surface 3312 of rotation adjusting high-end 33121 and low side 33122 towards, and make first screw 3333 and wherein one second screw 154 aim at the back through trip bolt 3332 locking.
Said elastic pawl device 33 can be made the fixing more stable of gear wheel 13 and lever 32 for arranging in pairs, and its quantity of present embodiment is two pairs totally 4, the center of two elastic pawl devices of every pair 180 degree of being separated by; The line at the center of two pairs of elastic pawl devices 33 be separated by 80 the degree; Spinous foramen 3225 quantity in the said ring rotation portion 322 are 9, the center of wantonly two adjacent spinous foramens 3,225 40 degree of being separated by; The stroke of said lever 32 (hard-over) is 37 degree.So be provided with, lever 32 rotation 20 degree at most just has a pair of ratchet 331 and inserts spinous foramens 3225, and stroke is at least 17 and spends after being connected of lever 32 and gear wheel 13, and can guarantee that fully gear wheel 13 can obtain enough impact forces.
Shown in figure 15, second kind, be that the ratchet 331 and the second compression spring 332 are fixed on the lever 32, and when lever 32 rotates a certain angle, insert in the gear wheel 13 and connect as one.Specifically: the ring rotation portion 322 of said lever is located at the bottom of said gear wheel 13; Said ring rotation portion 322 upper surfaces also are provided with a groove 324; The said second compression spring 332 lower ends are fixedly connected on the bottom of groove 324, and the upper end of the second compression spring 332 connects said ratchet 331, and the bottom surface annular of said gear wheel 13 is laid with a plurality of spinous foramens 132; Said ratchet 331 has a planing surface 3312; Said planing surface 3312 has one high-end 33121 and one low side 33122, and said high-end 33121 are positioned at the direction that gear wheel 13 advances, and low side 33122 is positioned at the direction that gear wheel 13 is retreated; The setting of planing surface 3312 is inserted a wherein spinous foramen 132 in order to guarantee said ratchet 331 under the state that the straight line piston 311 of straight line oil cylinder 31 advances, and under the state that straight line piston 311 is retreated, withdraws from said spinous foramen 132.The bottom of the groove 324 of said lever ring rotation portion 322 is a dismountable cover plate 323, and the said second compression spring 332 lower ends are fixedly connected on this cover plate 323, and are so, more convenient when ratchet 33 is installed.
Among above-mentioned two embodiment; Said loam cake 5 is connected in the top of said pedestal 4; And make pedestal 4 and loam cake 5 surround a space; In one end, lever 32, ratchet 33 and the second compression spring 34 of the pinion 12 of said unloading mechanism 1, gear wheel 13, core pipe 14 and said straight line oil cylinder 31 towards deduction structure 3 all was located at said pedestal 4 and loam cake 5 is connected the space that surrounds, said CD-ROM drive motor 11 and ring 15 were located at loam cake 5 tops.
Referring to Fig. 1 to Figure 15; Operating principle of the present invention is: at first drilling rod is inserted twisting machine of the present invention; And in the clamping chamber 254 that forms of the slips 25 that makes position below the drilling rod connector be in clamping device 2, the position of connector 30 or more be in unloading mechanism 1 core pipe 14 and more than the position; Again with removing fork 16 prong 161 part clamping epimere drilling rods 20, and make card handle 162 be erected at two to be fastened between two bumping posts 151 of said ring 15.Start annular cylinder 21, clamping piston 212 is moved up, 24 pairs of slips 25 of inclined-plane 2124 and row of rollers impose inside active force; Slips 25 is moved inward, and slips 25 has strengthened chucking power widely in the effect sinking of deadweight; With the locking drilling rod, be in state as shown in Figure 7.(if unclamp slips 25; Then oppositely start annular cylinder 21, clamping piston 212 is moved down, 24 pairs of slips of inclined-plane 2124 and row of rollers, 25 inside active forces reduce up to disappearance; Produce elastic force upwards to offset the gravity of slips 25 at the first compression spring 22 because of self; Slips 25 can not sunk, thereby keep unclamping the state of drilling rod, state promptly as shown in Figure 8.) start the motor 11 of unloading mechanism 1; To drive gear wheel 13 rotations; Owing to just begin unloading, the resistance of drilling rod connector is very big, motor 11 give gear wheel 13 the power deficiency so that gear wheel 13 rotate smoothly; Restart the straight line oil cylinder 31 towards deduction structure 3 this moment, the straight line piston 311 of straight line oil cylinder 31 advances and drives the center rotation that lever 32 also is gear wheel 13 around the center of ring rotation portion 322.
Existing is the operating principle of example explanation towards deduction structure 3 with first kind of elastic pawl device 33: when lever 32 rotates to an angle; Under the effect of the second compression spring 332; Said ratchet 331 can insert a wherein spinous foramen 3225 of ring rotation portion 322; This moment lever 32 and with gear wheel 13 chucking, the impact force of straight line piston 311 also can pass to gear wheel 13, makes gear wheel 13 obtain an instantaneous impact force.Straight line piston 311 is retreated afterwards, because ratchet 331 has a planing surface 3312, when straight line piston 311 was retreated, ratchet 331 can withdraw from said spinous foramen 3225 smoothly, and straight line oil cylinder 31 passes to the only dynamic but not resistance of the power of gear wheel 13 like this.After so repeatedly reciprocal, under the acting in conjunction of motor 11 and straight line oil cylinder 31, make unloading mechanism 1 have enough strength that epimere drilling rod 20 is outwarded winding from hypomere drilling rod 40.In addition; If when drilling rod is installed; Be about to epimere drilling rod 20 and be spun on the hypomere drilling rod 40 and tighten, only need get final product of the planing surface 3312 of ratchet 331 towards exchanging, the accent that can pass through said ring 15 this moment to instruments such as hole 153 usefulness screwdrivers with said accent behind the 3334 Rotate 180 degree of the straight trough on the gland 3331; Owing to transfer two open slots, 3314 corresponding fastenings to two card posts 3335 with the ratchet 331 of gland 3331; Thereby make ratchet 331 also rotate 180 degree, high-end 33121 and low side 33122 of the planing surface 3312 of said ratchet 331 towards promptly exchanging, and first screw 3333 is aimed at one second screw 154 wherein afterwards pass through trip bolt 3332 and is locked.To pass to the force direction of gear wheel 13 opposite for straight line oil cylinder 31 like this, makes twisting machine impose the power of tightening to epimere drilling rod 20.
If the second elastic pawl device 33; It is towards the operating principle of deduction structure 3: when the straight line piston 311 of straight line oil cylinder 31 advances; Driving lever 32 also is the center rotation of gear wheel 13 around the center of ring rotation portion 322, when rotating to an angle, under the effect of the second compression spring 332; Said ratchet 331 can insert a wherein spinous foramen 132 of gear wheel 13; This moment lever 32 and with gear wheel 13 chucking, the impact force of straight line piston 311 also can pass to gear wheel 13, makes gear wheel 13 obtain an instantaneous impact force.Straight line piston 311 is retreated afterwards; Because ratchet 331 has a planing surface that is obliquely installed 3312; When straight line piston 311 was retreated, ratchet 33 can withdraw from said spinous foramen 132 smoothly, and straight line oil cylinder 31 passes to the only dynamic but not resistance of the power of gear wheel 13 like this.After so repeatedly reciprocal, under the acting in conjunction of motor 11 and straight line oil cylinder 31, make unloading mechanism 1 have enough strength that epimere drilling rod 20 is outwarded winding from hypomere drilling rod 40.But because ratchet 331 is to be fixed on the lever 32, lever 32 is located at the bottom of gear wheel again, does not therefore have condition setting ratchet adjusted device, so this twisting machine can only be used for dismounting drilling rod, and can not tighten drilling rod.
In sum, twisting machine of the present invention comprises unloading mechanism, a clamping device and towards the deduction structure, and unloading mechanism adopts gear drive, drives ring and removes the tight epimere drilling rod of fork; Clamping device is provided with the structure that matches of annular cylinder, row of rollers and slips, reaches deadweight clamping and hydraulic pressure clamping and combines, and chucking power is big and reliable, can also cut down the consumption of energy; Can under the not enough situation of gear wheel strength, transmit an instantaneous impact force and give gear wheel, towards the setting of deduction structure to assist the smooth unloading of gear wheel; Twisting machine of the present invention is simple and reasonable, and chucking power is big, and floor space is little; Energy consumption is little, is the automatic twisting machine of a desirable spindle-type drill.
Though more than described the specific embodiment of the present invention; But the technician who is familiar with the present technique field is to be understood that; We described concrete embodiment is illustrative; Rather than being used for qualification to scope of the present invention, those of ordinary skill in the art are in the modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (10)
1. the automatic twisting machine of a spindle-type drill is characterized in that: comprise that a unloading mechanism, a clamping device and are towards the deduction structure;
Said unloading mechanism comprises that a CD-ROM drive motor, a pinion, a gear wheel, a ring and remove fork; Said CD-ROM drive motor drives the gear wheel rotation through said pinion; Said ring comprises two bumping posts and the retainer ring that is connected the bumping post bottom; Said retainer ring is fixedly connected on the gear wheel; The said fork of removing comprises a prong and card handle, and the epimere drilling rod of the said rig of said prong clamping, said card handle are fastened between two bumping posts of said ring;
Said clamping device comprises an annular cylinder, one first compression spring, a base plate and a plurality of corresponding row of rollers and slips that is provided with; Said annular cylinder comprises that also at the bottom of clamping cylinder barrel, clamping piston and the clamping cylinder, said clamping piston is located at and clamps in the cylinder barrel, is connected in the clamping cylinder tube bottom at the bottom of the said clamping cylinder; Have up big and down small storage tank in the said clamping piston, said a plurality of slips are up big and down small, are positioned in the said storage tank and the hypomere drilling rod of the said rig of clamping; The inwall of storage tank forms the inclined-plane corresponding with slips quantity; The direction on said inclined-plane is that the upper end is outside, and the lower end is inside, and the back side of said slips is slidedly arranged on the said inclined-plane through said row of rollers; The said first compression spring is located between the bottom and said base plate of a plurality of slips, and base plate is provided with drilling rod and passes through the hole;
Saidly comprise a straight line oil cylinder, a lever, at least one elastic pawl device towards the deduction structure; Said lever comprises connecting portion and the ring rotation portion that is wholely set; Connecting portion connects the straight line piston of said straight line oil cylinder; The adjacent coaxial setting of ring rotation portion with said gear wheel; And said elastic pawl device is located between ring rotation portion and the gear wheel, and said elastic pawl device connects as one ring rotation portion and gear wheel under a state, and under another state, ring rotation portion and gear wheel is unclamped.
2. the automatic twisting machine of spindle-type drill according to claim 1, it is characterized in that: unloading mechanism also comprises the core pipe of a hollow form, and this core pipe is located at the axial region of said gear wheel, for gear wheel provides axis of rotation; Said unloading mechanism also comprises a pressure ring, and said pressure ring is pressed in the top of said gear wheel and core pipe.
3. the automatic twisting machine of spindle-type drill according to claim 2; It is characterized in that: also comprise a pedestal and a loam cake; Loam cake is connected in the top of said pedestal; One end, lever, the elastic pawl device of the pinion of said unloading mechanism, gear wheel, core pipe and said straight line oil cylinder towards the deduction structure all are located at said pedestal and are connected with loam cake in the space that surrounds, and said CD-ROM drive motor and ring are located at the loam cake top.
4. the automatic twisting machine of spindle-type drill according to claim 1; It is characterized in that: the slips quantity in the said clamping device is 2; Also be provided with a slips mold insert on the clamping face of said slips, and two slips are provided with in opposite directions, make two slips mold inserts surround a hexagon or circular clamping chamber.
5. the automatic twisting machine of spindle-type drill according to claim 4; It is characterized in that: said clamping device comprises that also one is used to the retaining head that card is established the said first compression spring; This retaining head comprises two columns and a connecting ring; Two columns are connected the below at said connecting ring one diameter two ends, and this two column lays respectively at the both sides in said clamping chamber.
6. the automatic twisting machine of spindle-type drill according to claim 1 is characterized in that: said elastic pawl device further comprises a ratchet, one second compression spring; The ring rotation portion of said lever is located at the bottom of said gear wheel; And said gear wheel is provided with at least one groove; The upper end of the said second compression spring is fixedly connected on the bottom of said groove, and the lower end connects ratchet, and the upper surface annular of said ring rotation portion is laid with a plurality of spinous foramens; Said ratchet axially inserts a wherein said spinous foramen under the state of the straight line piston-advance of straight line oil cylinder, and under the state that the straight line piston is retreated, withdraws from said spinous foramen.
7. the automatic twisting machine of spindle-type drill according to claim 6, it is characterized in that: the upper end of said ratchet is the adjustable side, and the lower end has a planing surface, and said adjustable side is axially arranged with two open slots, said planing surface has a high-end and low side;
Said elastic pawl device also comprises the ratchet adjusted device; Said ratchet adjusted device comprise one as the accent of said groove base plate to a gland and a trip bolt; The upper end of the said second compression spring is fixedly connected on this accent on gland, and said accent is provided with at least one first screw to gland; And said accent is provided with a straight trough to the upper surface of gland, soffit be axially arranged with two the card posts corresponding with said two open slots;
The corresponding said straight trough of said ring offers one and transfers to the hole, and corresponding said first screw offers two 180 degree, second screws of being separated by;
Said accent come through straight trough to gland the said planing surface of rotation adjusting high-end and low side towards, and make first screw and wherein one second screw aim at the back through trip bolt locking.
8. the automatic twisting machine of spindle-type drill according to claim 1 is characterized in that: said elastic pawl device is for arranging that in pairs its quantity is two pairs, the center of two elastic pawl devices of every pair 180 degree of being separated by; The line at two pairs of elastic pawl device centers be separated by 80 the degree; Spinous foramen quantity on the said lever is 9, the center of wantonly two adjacent spinous foramens be separated by 40 the degree; The rotational travel of said lever is 37 degree.
9. the automatic twisting machine of spindle-type drill according to claim 1 is characterized in that: said elastic pawl device further comprises a ratchet, one second compression spring; The ring rotation portion of said lever is located at the bottom of said gear wheel; Said ring rotation portion upper surface also is provided with a groove; The said second compression spring lower end is fixedly connected on the bottom of groove, and the upper end of the second compression spring connects said ratchet, and the bottom surface annular of said gear wheel is laid with a plurality of spinous foramens; Said ratchet inserts a wherein said spinous foramen under the state of the straight line piston-advance of straight line oil cylinder, and under the state that the straight line piston is retreated, withdraws from said spinous foramen.
10. the automatic twisting machine of spindle-type drill according to claim 9 is characterized in that: the bottom of the groove of said lever ring rotation portion is a dismountable cover plate, and the said second compression spring lower end is fixedly connected on this cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210198143.9A CN102720450B (en) | 2012-06-15 | 2012-06-15 | Automatic twisting machine of spindle-type drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210198143.9A CN102720450B (en) | 2012-06-15 | 2012-06-15 | Automatic twisting machine of spindle-type drilling machine |
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| Publication Number | Publication Date |
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| CN102720450A true CN102720450A (en) | 2012-10-10 |
| CN102720450B CN102720450B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210198143.9A Expired - Fee Related CN102720450B (en) | 2012-06-15 | 2012-06-15 | Automatic twisting machine of spindle-type drilling machine |
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| CN (1) | CN102720450B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103089175A (en) * | 2013-01-24 | 2013-05-08 | 江苏省无锡探矿机械总厂有限公司 | Moving swing pipe clamping mechanism |
| CN105735917A (en) * | 2016-04-21 | 2016-07-06 | 湖南创远高新机械有限责任公司 | Dynamic upper rod disassembling structure for raise boring machine |
| CN105952396A (en) * | 2016-07-06 | 2016-09-21 | 福建省正丰信息技术发展有限公司 | Self-clamping free clamp type pipe twisting machine |
| CN115162975A (en) * | 2022-08-22 | 2022-10-11 | 西南石油大学 | Automatic loading and unloading device and assembling method for ground horizontal drill rod stand column |
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| CN105735917A (en) * | 2016-04-21 | 2016-07-06 | 湖南创远高新机械有限责任公司 | Dynamic upper rod disassembling structure for raise boring machine |
| CN105952396A (en) * | 2016-07-06 | 2016-09-21 | 福建省正丰信息技术发展有限公司 | Self-clamping free clamp type pipe twisting machine |
| CN115162975A (en) * | 2022-08-22 | 2022-10-11 | 西南石油大学 | Automatic loading and unloading device and assembling method for ground horizontal drill rod stand column |
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| CN102720450B (en) | 2014-08-13 |
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