CN102720450B - Automatic twisting machine of spindle-type drilling machine - Google Patents
Automatic twisting machine of spindle-type drilling machine Download PDFInfo
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- CN102720450B CN102720450B CN201210198143.9A CN201210198143A CN102720450B CN 102720450 B CN102720450 B CN 102720450B CN 201210198143 A CN201210198143 A CN 201210198143A CN 102720450 B CN102720450 B CN 102720450B
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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 pipe-wrenching machine of spindle-type drill.
[background technology]
Spindle-type drill is a kind of rotary drill conventional in geological drilling.The slew gear of this rig has one section of longer vertical shaft (1 meter of left and right), drives drilling tool revolution, realization to feed and correcting drilling tool, therefore named spindle-type drill with it.It can bore the angling hole of upright opening and certain limit in the rock of various hardness.In the time creeping into shallow bore hole and inclined hole, the correcting effect of vertical shaft is particularly remarkable.
Twisting machine is in the time of the drilling of geological drilling, for the one machinery of unloading drilling rod.It can replace manpower unloading drilling rod, alleviates labor strength, improves lifting work efficiency.By the kind of drive, twisting machine divides two kinds of hydraulic drive and machine driving, and what China was generally used is hydraulic casing screwing machine.
Also have much for the research and development of twisting machine at present, as disclosed at 2011-07-06, application number is 201020635083.9 Chinese utility model, has disclosed a kind of hydraulic casing screwing machine for unscrewing of drill rod, and it mainly comprises upper clamp, lower clamp and tongs three parts.Wherein lower clamp is fixed on aperture, and for drilling rod in clamping hole, anti-falling stop bar event occurs; Upper clamp is the main part of twisting machine, and for realizing the high pulling torque unloading button of top rod, effect is to clamp drilling rod and unloading drilling rod; Tongs is mainly used in the aperture that gets out of the way of twisting machine, thereby reduces the area of offshore boring island, reduces drilling cost.Because its tongs need to be used suspension gear, had relatively high expectations in fabricating yard, and its clamping device do not have automatic clamping function, complete outer power clamps, and consumes energy larger.
For another example the Chinese utility model patent that the disclosed application number of 2010-12-15 is 201020184423.0 provides a kind of lower pincers of the high-torque hydraulic unloading equipment-hydraulic casing screwing machine that is applicable to outer flush drill stem, and it comprises lower tong holder, slip spider, the first eccentric block, the second eccentric block, the first slips, the second slips, eccentric block driving hydraulic cylinder, moves horizontally hydraulic cylinder fixed head, synchronous plate, eccentric block driving hydraulic cylinder frame, the first drive pin, the second drive pin; The first slips, the second slips are all between the first baffle plate and second baffle and be shelved on base plate, and the first slips and the second slips form under drilling rod and clamp chamber, and the first eccentric block contacts with the first slips, and the second eccentric block contacts with the second slips; Eccentric block drives piston rod and the synchronous plate of hydraulic cylinder hinged, and the first drive pin on the first eccentric block is positioned at strip sliding eye, and the second drive pin on the second eccentric block is positioned at strip sliding eye.The lower wrench structure of the hydraulic casing screwing machine of this utility model is more complicated, and its clamping device do not have automatic clamping function, and complete outer power clamps, and consumes energy larger.
[summary of the invention]
The technical problem to be solved in the present invention, is to provide a kind of stubborn pipe device of spindle-type drill, and simple and reasonable, chucking power is large, and energy consumption is little.
The present invention is achieved in that a kind of automatic pipe-wrenching machine of spindle-type drill, comprises that a unloading mechanism, a clamping device and rush buckle mechanism;
Described unloading mechanism comprises that a CD-ROM drive motor, a pinion, a gear wheel, a ring and remove fork; Described CD-ROM drive motor drives gear wheel rotation by described pinion, described ring comprises two bumping posts and is connected to the retainer ring of bumping post bottom, described retainer ring is fixedly connected on gear wheel, the described fork of removing comprises a prong and card handle, described prong clamps the epimere drilling rod of described rig, and described card handle is fastened between two bumping posts of described ring;
Described clamping device comprises an annular cylinder, one first Compress Spring, a base plate and a plurality of corresponding row of rollers and slips arranging, described annular cylinder also comprises clamping cylinder barrel, at the bottom of clamping piston and clamping cylinder, described clamping piston is located at and clamps in cylinder barrel, at the bottom of described clamping cylinder, be connected in and clamp cylinder barrel bottom, in described clamping piston, there is up big and down small storage tank, described a plurality of slips is up big and down small, be positioned in described storage tank and clamp the hypomere drilling rod of described rig, the inwall of storage tank forms the inclined-plane corresponding with slips quantity, the direction on described inclined-plane is that upper end is outside, lower end is inside, the back side of described slips is slidedly arranged on described inclined-plane by described row of rollers, described the first Compress Spring is located between the bottom and described base plate of a plurality of slips, base plate is provided with drilling rod and passes through hole,
The described buckle mechanism that rushes comprises a linear oil cylinder, a lever, at least one elastic pawl device; Described lever comprises the connecting portion and the ring rotation portion that are wholely set, connecting portion connects the straight line piston of described linear oil cylinder, the coaxial setting adjacent with described gear wheel of ring rotation portion, and described elastic pawl device is located between ring rotation portion and gear wheel, and described 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.
Preferably, unloading mechanism also comprises the core pipe of a hollow form, and this core pipe is located at the axial region of described gear wheel, for gear wheel provides axis of rotation; Described unloading mechanism also comprises a pressure ring, and described pressure ring is pressed in the top of described gear wheel and core pipe.
Preferably, described twisting machine also comprises a pedestal and a upper cover, top cap is connected to the top of described pedestal, one end, lever, the elastic pawl device of pinion, gear wheel, core pipe and the described linear oil cylinder that rushes buckle mechanism of described unloading mechanism are all located at described pedestal and are connected with upper cover in the space surrounding, and described CD-ROM drive motor and ring are located at upper cover top.
Preferably, the slips quantity in described clamping device is 2, is also provided with a slips mold insert on the clamping face of described slips, and two slips arrange in opposite directions, makes two slips mold inserts surround a hexagon or circular clamping chamber.
Preferably, described clamping device also comprises that one for blocking the stopper of establishing described the first Compress Spring, this stopper comprises two columns and a connecting ring, and two columns are connected to the below at described connecting ring one diameter two ends, and this two column lays respectively at the both sides in described clamping chamber.
Preferably, described elastic pawl device further comprises a ratchet, one second Compress Spring; The ring rotation portion of described lever is located at the bottom of described gear wheel, and described gear wheel is provided with at least one groove, the upper end of described the second Compress Spring is fixedly connected on the bottom of described groove, lower end connects ratchet, the upper surface annular of described ring rotation portion is laid with a plurality of spinous foramens, described ratchet axially inserts wherein spinous foramen described under the state of the straight line piston-advance of linear oil cylinder, and exits described spinous foramen under the state retreating at straight line piston.The upper end of described ratchet is adjustable side, and lower end has a planing surface, and described adjustable side is axially arranged with two open slots, and described planing surface has a high-end and low side; Described elastic pawl device also comprises ratchet adjusted device, described ratchet adjusted device comprises a tuning gland as described groove base plate and a trip bolt, the upper end of described the second Compress Spring is fixedly connected on this tuning gland, and described tuning gland is provided with at least one the first screw; And the upper surface of described tuning gland is provided with a straight trough, it is corresponding with described two open slots that soffit is axially arranged with two card columns; The corresponding described straight trough of described ring offers a tuning hole, and corresponding described the first screw offers two 180 degree the second screws of being separated by; Described tuning gland by straight trough rotate regulate described planing surface high-end and low side towards, and the first screw is locked after aiming at by trip bolt with one second screw wherein.Described elastic pawl device is for arranging in pairs, and 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 80 degree of being separated by; Spinous foramen quantity on described lever is 9, the center of wantonly two adjacent spinous foramens 40 degree of being separated by; The rotational travel of described lever is 37 degree.
Or: described elastic pawl device further comprises a ratchet, one second Compress Spring; The ring rotation portion of described lever is located at the bottom of described gear wheel, described ring rotation portion upper surface is also provided with a groove, described the second Compress Spring lower end is fixedly connected on the bottom of groove, the upper end of the second Compress Spring connects described ratchet, the bottom surface annular of described gear wheel is laid with a plurality of spinous foramens, described ratchet inserts wherein spinous foramen described under the state of the straight line piston-advance of linear oil cylinder, and exits described spinous foramen under the state retreating at straight line piston.The bottom of the groove of described lever ring rotation portion is a dismountable cover plate, and described the second Compress Spring lower end is fixedly connected on this cover plate.
Tool of the present invention has the following advantages: twisting machine of the present invention comprises that unloading mechanism, a clamping device and rush buckle mechanism, and unloading mechanism adopts gear drive, drives ring and removes the tight epimere drilling rod of fork; Clamping device is provided with the structure matching of annular cylinder, row of rollers and slips, reaches deadweight clamping and hydraulic clamping and combines, and chucking power is large and reliable, can also reduce energy consumption; The setting of rushing buckle mechanism can be in the situation that gear wheel strength be inadequate, transmits an instantaneous impact force to gear wheel, to assist the smooth unloading of gear wheel, twisting machine of the present invention is simple and reasonable, and chucking power is large, and floor space is little, energy consumption is little, is the automatic pipe-wrenching machine of a desirable spindle-type drill.
[brief description of the drawings]
The present invention is further illustrated in conjunction with the embodiments 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 schematic diagram 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 clamping device of the present invention.
Fig. 6 is slips structural representation in clamping device of the present invention.
Fig. 6 A is two structural representations that slips arranges in opposite directions in 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 unloading of the present invention mechanism.
Figure 10 is that the present invention rushes an embodiment of lever in buckle mechanism and overlooks and forward sight structural representation.
Figure 10 A is the B-B sectional view of Figure 10.
Figure 11 is that the present invention rushes the structural representation that buckle mechanism coordinates with gear wheel.
Figure 12 A and Figure 12 B are the two states schematic diagram that the present invention rushes elastic pawl device one embodiment of buckle mechanism.
The perspective view that Figure 13 and Figure 13 A are ratchet and axially sectional structure schematic diagram.
Figure 14 and Figure 14 A are perspective view and the plan structure schematic diagram of ratchet tuning structure.
Figure 15 is the structural representation that the present invention rushes another embodiment of elastic pawl device of buckle mechanism.
[detailed description of the invention]
As shown in Figures 1 to 4, the automatic pipe-wrenching machine 10 of spindle-type drill of the present invention, comprises that a unloading mechanism 1, a clamping device 2, rush buckle mechanism 3, a pedestal 4 and a upper cover 5.Wherein, clamping device 1 is for the bottom of holding drill pipe, unloading mechanism 2 is for rotating epimere drilling rod 20 so that epimere drilling rod 40 is unloaded or epimere drilling rod 20 is screwed in to hypomere drilling rod 40 from hypomere drilling rod 20, the described buckle mechanism 3 that rushes, for the impact force to 1 moment of unloading mechanism, makes unloading mechanism 1 have enough strength that epimere drilling rod 20 is outwarded winding from hypomere drilling rod 40.Rush buckle mechanism 3 by adjusting ratchet direction, also can be used for epimere drilling rod 20 and be screwed into hypomere drilling rod 40 rear catch, ensure two sections of drilling rod locking programs.
Described unloading mechanism 1 comprises that a CD-ROM drive motor 11(can be hydraulic motor), the core pipe of a pinion 12, a gear wheel 13, hollow form 14, a ring 15, remove fork 16 and a pressure ring 17, described CD-ROM drive motor 11 drives gear wheel 13 to rotate by described pinion 12, described core pipe 14 is located at the axial region of described gear wheel 13, for gear wheel 13 provides axis of rotation, described ring 15 comprises two bumping posts 151 and is connected to the retainer ring 152 of bumping post 151 bottoms, described retainer ring 152 is fixedly connected on gear wheel 13 by screw 18, the described fork 16 of removing comprises a prong 161 and card handle 162, described prong 161 clamps the epimere drilling rod 20 of described rig, described card handle 162 is fastened between two bumping posts 151 of described ring 15, described pressure ring 17 is pressed in the top of described gear wheel 13 and core pipe 14.
As shown in Figures 3 to 8, described clamping device 2 comprises an annular cylinder 21, one first Compress Spring 22, a base plate 23 and a plurality of corresponding row of rollers 24 and slips 25 arranging, described annular cylinder 21 also comprises clamping cylinder barrel 211, at the bottom of clamping piston 212 and clamping cylinder 213, described clamping piston 212 is located at and clamps in cylinder barrel 211, at the bottom of described clamping cylinder, 213 are connected in the bottom that clamps cylinder barrel 211, in described clamping piston 212, there is up big and down small storage tank 2122, described a plurality of slips 25 is up big and down small, be positioned in described storage tank 2122 and clamp the hypomere drilling rod 40 of described rig, the inwall of storage tank 2122 forms the inclined-plane 2124 corresponding with slips quantity, the direction on described inclined-plane 2124 is that upper end is outside, lower end is inside, the back side 252 of described slips 25 is slidedly arranged on described inclined-plane 2124 by described row of rollers 24, described the first Compress Spring 22 is located between the bottom and described base plate 23 of a plurality of slips 25, base plate 23 is provided with drilling rod by hole 232.In the present embodiment, slips number 25 amounts in described clamping device 2 are 2, and two slips 25 arrange in opposite directions, are also provided with a slips mold insert 256 on a clamping face of slips 25.And surround the clamping chamber 254 of hexagonal shape, but invention is not limited to this, also can obtain circular clamping chamber 254 by changing slips mold insert 256.In order to prevent that the first Compress Spring 22 is stably limited in the bottom of described slips 25, described clamping device 2 also comprises that one for blocking the stopper 26 of establishing described the first Compress Spring 22, this stopper 26 comprises two columns 262 and a connecting ring 264, two columns 262 are connected to the below at described connecting ring 264 1 diameter two ends, and this two column 262 lays respectively at the both sides in described clamping chamber 254.The setting of the first Compress Spring 22 is to move down and while unclamping slips 25 at clamping piston 212, produces elastic force upwards and sinks to clamping drilling rod to offset slips 25 because of the gravity of self.
Please, mainly with reference to figure 9 to Figure 14 A, the described buckle mechanism 3 that rushes comprises a linear oil cylinder 31, a lever 32, at least one elastic pawl device 33; Described lever 32 comprises the connecting portion 321 and the ring rotation portion 322 that are wholely set, connecting portion 321 connects the straight line piston 311 of described linear oil cylinder 31, ring rotation portion 322 coaxial setting adjacent with described gear wheel 13, and described elastic pawl device 33 is located between ring rotation portion 322 and gear wheel 13, and described 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, described elastic pawl device 33 comprises a ratchet 331 and one second Compress Spring 332, and it has following two kinds form is set:
The first, be that ratchet 331 and the second Compress Spring 332 are fixed on to gear wheel 13, and insert in lever 32 and connect as one in the time that gear wheel 13 rotates a certain angle.Specifically: the ring rotation portion 322 of described lever 32 is coaxially located at the bottom of described gear wheel 13, and described gear wheel 13 is provided with at least one downward opening groove 131, the upper end of described the second Compress Spring 332 is fixedly connected on the bottom (upper end of groove is bottom portion of groove) of described groove 131, lower end connects ratchet 331, the upper surface annular of described ring rotation portion 322 is laid with a plurality of spinous foramens 3225, under the state that described ratchet 331 advances at the straight line piston 311 of linear oil cylinder 31, axially insert wherein spinous foramen 3225 described in, and under the state retreating at straight line piston 311, exit described spinous foramen 3325.
The upper end of described ratchet 331 is adjustable side, and lower end has a planing surface 3312, and described adjustable side is axially arranged with two open slots 3314, and described planing surface 3312 has one high-end 33121 and one low side 33122.
Described elastic pawl device 33 also comprises ratchet adjusted device 333, described ratchet adjusted device 333 comprises a tuning gland 3331 as described groove 3314 base plates and a trip bolt 3332, the upper end of described the second Compress Spring 332 is fixedly connected on this tuning gland 3331, and described tuning gland 3331 is provided with at least one the first screw 3333; And the upper surface of described tuning gland 3331 is provided with a straight trough 3334, it is corresponding with described two open slots 3314 that soffit is axially arranged with two card columns 3335; The corresponding described straight trough 3334 of described ring 15 offers a tuning hole 153, and corresponding the first screw 3333 offers two 180 degree the second screws 154 of being separated by; Described tuning gland 3331 by straight trough 3334 rotate regulate described planing surface 3312 high-end 33121 and low side 33122 towards, and the first screw 3333 is locked after aiming at by trip bolt 3332 with one second screw 154 wherein.
Described elastic pawl device 33 can be made to the fixing more stable of gear wheel 13 and lever 32 for arranging in pairs, and its quantity of the 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 two pairs of elastic pawl device 33 centers 80 degree of being separated by; Spinous foramen 3225 quantity in described ring rotation portion 322 are 9, the center of wantonly two adjacent spinous foramens 3,225 40 degree of being separated by; The stroke (hard-over) of described lever 32 is 37 degree.So arrange, lever 32 at most rotation 20 degree just has a pair of ratchet 331 and inserts spinous foramen 3225, and after being connected of lever 32 and gear wheel 13, stroke is at least 17 degree, can ensure that gear wheel 13 can obtain enough impact forces completely.
As shown in figure 15, the second, be that ratchet 331 and the second Compress Spring 332 are fixed on lever 32, and insert in gear wheel 13 and connect as one in the time that lever 32 rotates a certain angle.Specifically: the ring rotation portion 322 of described lever is located at the bottom of described gear wheel 13, described ring rotation portion 322 upper surfaces are also provided with a groove 324, described the second Compress Spring 332 lower ends are fixedly connected on the bottom of groove 324, the upper end of the second Compress Spring 332 connects described ratchet 331, the bottom surface annular of described gear wheel 13 is laid with a plurality of spinous foramens 132, described ratchet 331 has a planing surface 3312, described planing surface 3312 has one high-end 33121 and one low side 33122, described high-end 33121 are positioned at the direction that gear wheel 13 advances, low side 33122 is positioned at the direction that gear wheel 13 retreats, the setting of planing surface 3312 is in order to insert a wherein spinous foramen 132 under the state that ensures described ratchet 331 and advance at the straight line piston 311 of linear oil cylinder 31, and under the state retreating at straight line piston 311, exit described spinous foramen 132.The bottom of the groove 324 of described lever ring rotation portion 322 is a dismountable cover plate 323, and described the second Compress Spring 332 lower ends are fixedly connected on this cover plate 323, so, more convenient when ratchet 33 is installed.
In above-mentioned two embodiment, described upper cover 5 is connected in the top of described pedestal 4, and make pedestal 4 and upper cover 5 surround a space, one end, lever 32, ratchet 33 and second Compress Spring 34 of pinion 12, gear wheel 13, core pipe 14 and the described linear oil cylinder 31 that rushes buckle mechanism 3 of described unloading mechanism 1 is all located in described pedestal 4 is connected with upper cover 5 space surrounding, and described CD-ROM drive motor 11 and ring 15 are located at upper cover 5 tops.
Referring to Fig. 1 to Figure 15, operating principle of the present invention is: first drilling rod is inserted to twisting machine of the present invention, and make in clamping chamber 254 that position below the drill rod connector slips 25 in clamping device 2 forms, more than 30 position of connector is in unloading mechanism 1 core pipe 14 and above position; Again with removing fork 16 prong 161 parts clamping epimere drilling rods 20, and make card handle 162 be erected at two to be fastened between two bumping posts 151 of described ring 15.Start annular cylinder 21, clamping piston 212 is moved up, inclined-plane 2124 and row of rollers 24 impose inside active force to slips 25, slips 25 is moved inward, and slips 25 is in the effect sinking of deadweight, has strengthened widely chucking power, with locking drilling rod, in state as shown in Figure 7.(if unclamp slips 25, reverse starting annular cylinder 21, clamping piston 212 is moved down, inclined-plane 2124 and row of rollers 24 reduce until disappear the inside active force of slips 25, produce elastic force upwards to offset the gravity of slips 25 because of self at the first Compress Spring 22, slips 25 can not be sunk, thereby keep unclamping the state of drilling rod, be i.e. state as shown in Figure 8.) start the motor 11 of unloading mechanism 1, to drive gear wheel 13 to rotate, owing to just starting unloading, the resistance of drill rod connector is very large, motor 11 give gear wheel 13 power deficiency so that gear wheel 13 rotate smoothly, now restart the linear oil cylinder 31 that rushes buckle mechanism 3, the straight line piston 311 of linear oil cylinder 31 advances and drives lever 32 is also the central rotation of gear wheel 13 around ring rotation Bu322 center.
The operating principle that now buckle mechanism 3 is rushed in explanation as an example of the first elastic pawl device 33 example: when lever 32 rotates to an angle, under the effect of the second Compress Spring 332, described ratchet 331 can insert a wherein spinous foramen 3225 of ring rotation portion 322, now lever 32 clamping with gear wheel 13, the impact force of straight line piston 311 also can pass to gear wheel 13, makes gear wheel 13 obtain an instantaneous impact.Straight line piston 311 retreats afterwards, and because ratchet 331 has a planing surface 3312, in the time that straight line piston 311 retreats, ratchet 331 can exit described spinous foramen 3225 smoothly, only dynamic but not resistance of the power that linear oil cylinder 31 passes to gear wheel 13 like this.So repeatedly back and forth after, under the acting in conjunction of motor 11 and linear 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 spun on hypomere drilling rod 40 and tighten by epimere drilling rod 20, only need by the planing surface of ratchet 331 3312 towards exchanging, now can be by instruments such as the tuning hole of described ring 15 153 use screwdrivers by after the 3334 Rotate 180 degree of the straight trough on described tuning gland 3331, due to two card columns 3335 of tuning gland 3331 and the corresponding fastening of two open slots 3314 of ratchet 331, thereby make ratchet 331 also rotate 180 degree, high-end 33121 and low side 33122 of the planing surface 3312 of described ratchet 331 towards exchanging, and the first screw 3333 is locked after aiming at by trip bolt 3332 with one second screw 154 wherein.To pass to the force direction of gear wheel 13 contrary for linear 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 rushes the operating principle of buckle mechanism 3: in the time that the straight line piston 311 of linear oil cylinder 31 advances, driving lever 32 is also the central rotation of gear wheel 13 around ring rotation Bu322 center, while rotating to an angle, under the effect of the second Compress Spring 332, described ratchet 331 can insert a wherein spinous foramen 132 of gear wheel 13, now lever 32 clamping with gear wheel 13, the impact force of straight line piston 311 also can pass to gear wheel 13, makes gear wheel 13 obtain an instantaneous impact.Straight line piston 311 retreats afterwards, because ratchet 331 has a planing surface being obliquely installed 3312, in the time that straight line piston 311 retreats, ratchet 33 can exit described spinous foramen 132 smoothly, only dynamic but not resistance of the power that linear oil cylinder 31 passes to gear wheel 13 like this.So repeatedly back and forth after, under the acting in conjunction of motor 11 and linear 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 lever 32, lever 32 is located at again the bottom of gear wheel, therefore there is no condition setting ratchet adjusted device, and therefore 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 that unloading mechanism, a clamping device and rush buckle mechanism, and unloading mechanism adopts gear drive, drives ring and removes the tight epimere drilling rod of fork; Clamping device is provided with the structure matching of annular cylinder, row of rollers and slips, reaches deadweight clamping and hydraulic clamping and combines, and chucking power is large and reliable, can also reduce energy consumption; The setting of rushing buckle mechanism can be in the situation that gear wheel strength be inadequate, transmits an instantaneous impact force to gear wheel, to assist the smooth unloading of gear wheel, twisting machine of the present invention is simple and reasonable, and chucking power is large, and floor space is little, energy consumption is little, is the automatic pipe-wrenching machine of a desirable spindle-type drill.
Although more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art are in equivalent modification and the variation done according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (10)
1. an automatic pipe-wrenching machine for spindle-type drill, is characterized in that: comprise that a unloading mechanism, a clamping device and rush buckle mechanism;
Described unloading mechanism comprises that a CD-ROM drive motor, a pinion, a gear wheel, a ring and remove fork; Described CD-ROM drive motor drives gear wheel rotation by described pinion, described ring comprises two bumping posts and is connected to the retainer ring of bumping post bottom, described retainer ring is fixedly connected on gear wheel, the described fork of removing comprises a prong and card handle, described prong clamps the epimere drilling rod of described rig, and described card handle is fastened between two bumping posts of described ring;
Described clamping device comprises an annular cylinder, one first Compress Spring, a base plate and a plurality of corresponding row of rollers and slips arranging, described annular cylinder also comprises clamping cylinder barrel, at the bottom of clamping piston and clamping cylinder, described clamping piston is located at and clamps in cylinder barrel, at the bottom of described clamping cylinder, be connected in and clamp cylinder barrel bottom, in described clamping piston, there is up big and down small storage tank, described a plurality of slips is up big and down small, be positioned in described storage tank and clamp the hypomere drilling rod of described rig, the inwall of storage tank forms the inclined-plane corresponding with slips quantity, the direction on described inclined-plane is that upper end is outside, lower end is inside, the back side of described slips is slidedly arranged on described inclined-plane by described row of rollers, described the first Compress Spring is located between the bottom and described base plate of a plurality of slips, base plate is provided with drilling rod and passes through hole,
The described buckle mechanism that rushes comprises a linear oil cylinder, a lever, at least one elastic pawl device; Described lever comprises the connecting portion and the ring rotation portion that are wholely set, connecting portion connects the straight line piston of described linear oil cylinder, the coaxial setting adjacent with described gear wheel of ring rotation portion, and described elastic pawl device is located between ring rotation portion and gear wheel, and described 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 pipe-wrenching machine of spindle-type drill according to claim 1, 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 described gear wheel, for gear wheel provides axis of rotation; Described unloading mechanism also comprises a pressure ring, and described pressure ring is pressed in the top of described gear wheel and core pipe.
3. the automatic pipe-wrenching machine of spindle-type drill according to claim 2, it is characterized in that: also comprise a pedestal and a upper cover, top cap is connected to the top of described pedestal, one end, lever, the elastic pawl device of pinion, gear wheel, core pipe and the described linear oil cylinder that rushes buckle mechanism of described unloading mechanism are all located at described pedestal and are connected with upper cover in the space surrounding, and described CD-ROM drive motor and ring are located at upper cover top.
4. the automatic pipe-wrenching machine of spindle-type drill according to claim 1, it is characterized in that: the slips quantity in described clamping device is 2, on the clamping face of described slips, be also provided with a slips mold insert, and two slips arrange in opposite directions, make two slips mold inserts surround a hexagon or circular clamping chamber.
5. the automatic pipe-wrenching machine of spindle-type drill according to claim 4, it is characterized in that: described clamping device also comprises that one for blocking the stopper of establishing described the first Compress Spring, this stopper comprises two columns and a connecting ring, two columns are connected to the below at described connecting ring one diameter two ends, and this two column lays respectively at the both sides in described clamping chamber.
6. the automatic pipe-wrenching machine of spindle-type drill according to claim 1, is characterized in that: described elastic pawl device further comprises a ratchet, one second Compress Spring; The ring rotation portion of described lever is located at the bottom of described gear wheel, and described gear wheel is provided with at least one groove, the upper end of described the second Compress Spring is fixedly connected on the bottom of described groove, lower end connects ratchet, the upper surface annular of described ring rotation portion is laid with a plurality of spinous foramens, described ratchet axially inserts wherein spinous foramen described under the state of the straight line piston-advance of linear oil cylinder, and exits described spinous foramen under the state retreating at straight line piston.
7. the automatic pipe-wrenching machine of spindle-type drill according to claim 6, is characterized in that: the upper end of described ratchet is adjustable side, and lower end has a planing surface, and described adjustable side is axially arranged with two open slots, and described planing surface has a high-end and low side;
Described elastic pawl device also comprises ratchet adjusted device, described ratchet adjusted device comprises a tuning gland as described groove base plate and a trip bolt, the upper end of described the second Compress Spring is fixedly connected on this tuning gland, and described tuning gland is provided with at least one the first screw; And the upper surface of described tuning gland is provided with a straight trough, it is corresponding with described two open slots that soffit is axially arranged with two card columns;
The corresponding described straight trough of described ring offers a tuning hole, and corresponding described the first screw offers two 180 degree the second screws of being separated by;
Described tuning gland by straight trough rotate regulate described planing surface high-end and low side towards, and the first screw is locked after aiming at by trip bolt with one second screw wherein.
8. the automatic pipe-wrenching machine of spindle-type drill according to claim 1, is characterized in that: described elastic pawl device is for arranging in pairs, and 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 80 degree of being separated by; Spinous foramen quantity on described lever is 9, the center of wantonly two adjacent spinous foramens 40 degree of being separated by; The rotational travel of described lever is 37 degree.
9. the automatic pipe-wrenching machine of spindle-type drill according to claim 1, is characterized in that: described elastic pawl device further comprises a ratchet, one second Compress Spring; The ring rotation portion of described lever is located at the bottom of described gear wheel, described ring rotation portion upper surface is also provided with a groove, described the second Compress Spring lower end is fixedly connected on the bottom of groove, the upper end of the second Compress Spring connects described ratchet, the bottom surface annular of described gear wheel is laid with a plurality of spinous foramens, described ratchet inserts wherein spinous foramen described under the state of the straight line piston-advance of linear oil cylinder, and exits described spinous foramen under the state retreating at straight line piston.
10. the automatic pipe-wrenching machine of spindle-type drill according to claim 9, is characterized in that: the bottom of the groove of described lever ring rotation portion is a dismountable cover plate, and described the second Compress 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 |
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| 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 CN102720450A (en) | 2012-10-10 |
| CN102720450B true CN102720450B (en) | 2014-08-13 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103089175B (en) * | 2013-01-24 | 2015-03-18 | 江苏省无锡探矿机械总厂有限公司 | Moving swing pipe clamping mechanism |
| CN105735917B (en) * | 2016-04-21 | 2018-04-13 | 湖南创远高新机械有限责任公司 | Rod structure is unloaded in a kind of dynamic for raise boring machine |
| CN105952396B (en) * | 2016-07-06 | 2018-08-31 | 福建省正丰信息技术发展有限公司 | It is a kind of to clamp free jaw type twisting machine certainly |
| CN111236866B (en) * | 2020-03-04 | 2024-11-29 | 四川宏华石油设备有限公司 | Iron roughneck clamp leveling mechanism |
| CN114412389B (en) * | 2022-01-25 | 2024-10-15 | 陕西太合智能钻探有限公司 | Screwing and unscrewing device, drilling machine and working method of drilling machine |
| CN115162975B (en) * | 2022-08-22 | 2023-04-07 | 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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| CN102720450A (en) | 2012-10-10 |
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