CN102031939B - Hydraulic pipe screwing machine for screwing and unscrewing outer flat drill pipe and being capable of keeping off orifice - Google Patents

Hydraulic pipe screwing machine for screwing and unscrewing outer flat drill pipe and being capable of keeping off orifice Download PDF

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Publication number
CN102031939B
CN102031939B CN 201010566645 CN201010566645A CN102031939B CN 102031939 B CN102031939 B CN 102031939B CN 201010566645 CN201010566645 CN 201010566645 CN 201010566645 A CN201010566645 A CN 201010566645A CN 102031939 B CN102031939 B CN 102031939B
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China
Prior art keywords
gear
spring
drilling rod
jaw
pincers
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Expired - Fee Related
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CN 201010566645
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Chinese (zh)
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CN102031939A (en
Inventor
李波
许华松
张琦
陈静权
朱文林
张国栋
高厚秀
曾志军
王玉丹
刘德刚
韩光超
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WUHAN GOLD MINE LOCATING MACHINERY CO Ltd
China University of Geosciences
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WUHAN GOLD MINE LOCATING MACHINERY CO Ltd
China University of Geosciences
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Priority to CN 201010566645 priority Critical patent/CN102031939B/en
Publication of CN102031939A publication Critical patent/CN102031939A/en
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Publication of CN102031939B publication Critical patent/CN102031939B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a hydraulic pipe screwing machine for screwing and unscrewing an outer flat drill pipe and being capable of keeping off an orifice, which relates to the field of engineering drilling. The hydraulic pipe screwing machine mainly comprises an upper pincer body, a lower pincer body and hanging pincers, wherein the lower pincer body is fixed to the orifice and used for clamping a drill pipe in a hole and preventing the generation of a rod falling event; the upper pincer body is a main part of the pipe screwing machine, is used for realizing the large-torque screwing, unscrewing and buckling of the upper drill rod and has the effects of clamping the drill rod and screwing and unscrewing the drill rod; and the hanging pincers are mainly used for keeping the pipe screwing machine off the orifice, thereby reducing the area of a drilling well platform and the drilling cost. The pipe screwing machine of the invention is suitable for screwing and unscrewing various drill rods, can realize the working processes of screwed buckling, pretensioning, large-torque punched buckling, and the like of the drill rod and has the advantages of small size, light weight, large torque, safety and convenience for work and operation, and the like.

Description

The hydraulic casing screwing machine that is used for the got out of the way aperture of outer flush drill stem unloading
Technical field
The present invention relates to the engineering drilling field, be specifically related to a kind of hydraulic casing screwing machine of the got out of the way aperture for outer flush drill stem unloading.
Background technology
The wire line coring drilling technique is called as the revolution first time of drilling technique, is the drilling technique of most widely used general, comprehensive geology best results in the global drilling operation.Middle nineteen seventies China begins to apply from last century, but compare the larger gap of existence with developed countries using on the breadth and depth, utilize core drilling workload that the wire line coring drilling technique finishes still not enough all solids core drilling workload 30%.The key technology of boring coring (sample) is drilling equipment, drilling tool and process, they not only to drilling efficiency, construction cost, get the aspects such as core quality and environmental protection material impact arranged, and to shortening the whole probing cycle direct meaning is arranged.At present, the moment of torsion spinner equipment of domestic drilling operation is take hydraulic power tongs and twisting machine as main.Hydraulic tongs labour intensity is large, be not suitable for labourer and use, and twisting machine has the effect of the person's of lightening one's labor intensity.
But the retained part of existing twisting machine adopts fork usually, has been mainly used in the otch drilling rod, and unloading is partly for turning round fork or free pliers; Rotating part is generally rotating disc type, drives by the drive link on the rotating disk and turns round fork or free pliers rotation; The boosting part adopts the ratchet-type boosting mechanism usually, be the oil cylinder pushing piston rod, the piston rod front portion is with ratchet, and the ratchet that ratchet promotes the rotating disk outside rotates, the gear ﹠ rack structure that also adopts that has is realized the purpose of unloading drilling rod, and control section generally adopts mechanically actuated and hydraulic operation.
Yet there is following shortcoming in existing twisting machine:
1, along with the wideling popularize of diamond drilling and wire line coring technique, outer flush drill stem is widely used, and existing twisting machine all is only applicable to the unloading of otch drilling rod, and the twisting machine or the dual-purpose twisting machine that are applicable to the outer flush drill stem of unloading also do not have so far;
2, existing twisting machine is to be fixed on the aperture mostly, and this makes originally limited drilling platform area more nervous, and the function that can automatically get out of the way the aperture has become vast twisting machine user's requirement;
3, existing twisting machine fails to solve well the axial float problem in the unloading drilling rod process, causes the aggravation of drilling rod thread wearing and tearing, thereby affects the application life of drilling rod;
4, existing twisting machine is applicable to the unscrewing of drill rod under middle shallow bore hole or the little torque condition mostly, and its punching is detained or pretension is to finish by the impact of making fork, and the impact in the breakout process has a significant impact for drilling rod and equipment life.
Summary of the invention
For solving the problems referred to above of existing twisting machine, the invention provides a kind of hydraulic casing screwing machine of the got out of the way aperture for outer flush drill stem unloading, it can be used for outer flush drill stem unloading, and can get out of the way the aperture.
For achieving the above object, the present invention takes following technical scheme: a kind of hydraulic casing screwing machine of the got out of the way aperture for outer flush drill stem unloading is characterized in that: comprise tongs (1), upper pincers (2) and lower pincers (3); Wherein lower pincers are fixed on the aperture, are used for drilling rod in the holes for clamping; The upper pincers (2) that are used for clamping drilling rod and unloading drilling rod comprise hydraulic motor (36), three-position four-way valve (37), resetting-mechanism (38), suspension gear (39), upper shell (40), lower house (41), tourelle (42), caliper (43), arrestment mechanism (44), power transmission (45); The tongs of pincers comprises base plate a (4), four reinforcing ribs (5), column (6), anchor ear (7), whirligig (8), i iron (9), translating device (10), suspension hook (11), floating installation (12) in the suspension; Wherein whirligig (8) comprises circlip for shaft a (14), deep groove ball bearing a (15), axle (16), dowelled spanner (17), locking nut a (18), holding screw a (19), bearing holder (housing, cover) (20), thrust ball bearing (21), it is installed in the column (6), whirligig (8) axle (16) is rotated around column (6) by deep groove ball bearing a (15) and thrust ball bearing (21), when needs fixedly the time, by dowelled spanner (17) and locking nut a (18) hold down mandrel (16); I iron (9) links to each other by 4 bolts with whirligig (8), rotates around column (6); Translating device (10) comprises suspension hook axle (22), suspension hook axle sleeve (23), bolster (24), pulley spindle (25), pulley (26), hanging beam plate (27), suspension hook (11) links to each other with hanging beam plate (27) by suspension hook axle (22), pulley (26) links to each other with hanging beam plate (27) by pulley spindle (25), and whole translating device moves along the i iron direction by four pulleys (26); Floating installation (12) comprises spring guide (28), hangs cover (29), spring a (30), hang cylinder (31), a check ring (32), locking nut b (33), cottor pin a (34), caliper hangs cylinder (35), it is connected with suspension hook (11) by spring guide (28), unsteady problem when solving the unloading drill rod thread by spring a (30) prevents that screw thread from destroying.
Tongs 1, upper pincers 2 and lower pincers 3 are separate, are used for the unloading of outer flush drill stem.When needs were tightened drilling rod, lower pincers 3 clamped the bottom drilling rod, and tongs 1 is delivered to the aperture with upper pincers 2, locking tights a bolt 95, make its Compress Spring c 92, brake disc seat 91 and jaw plate frame 82 compressed, the friction by between the two relatively rotates ramp 81 and jaw 82; Simultaneously, the hydraulic motor 36 of upper pincers 2 drives driving gear 97 and rotates counterclockwise, by center tooth wheels 98, drive 79 rotations of opening gear, jaw plate frame 82 is at the spacing lower clamping drilling rod that moves to the aperture of jaw 82, behind the clamping drilling rod, unclamp and tight a bolt 95, jaw 82 and opening gear 79 rotate together, thereby tighten drilling rod, and then tongs 3 hangs the aperture with upper pincers 2.When needs loose unloading drilling rod, lower pincers 3 clamp the bottom drilling rod, and tongs 1 is delivered to the aperture with upper pincers 2, locking tights a bolt 95, make its Compress Spring c 92, brake disc seat 91 and jaw plate frame 82 compressed, the friction by between the two relatively rotates ramp 81 and jaw 82; Simultaneously, the hydraulic motor 36 of upper pincers 2 drives driving gear 97 and clockwise rotates, by center tooth wheels 98, drive 79 rotations of opening gear, jaw plate frame 83 is at the spacing lower clamping drilling rod that moves to the aperture of jaw 82, clamp drilling rod after, unclamp and tight a bolt 95, jaw 82 and opening gear 79 rotate together, thus the loose unloading drilling rod.Tightening or during the loose unloading drilling rod, the spring a 30 in the floating installation 12 is in free state, when tightening drilling rod, spring a 30 is extended, and when the loose unloading drilling rod, spring a 30 is compressed, avoids the drill rod thread damage.
Twisting machine of the present invention has the following advantages:
1. adopt the tongs structure design, be used for the aperture that gets out of the way of twisting machine, solve the little problem in space, aperture, make things convenient for the labor to operate in the aperture.
2. be applicable to the mechanization unloading of wire line coring technique China and foreign countries flush drill stem, can realize tightening, float, rushing all actions such as button, moment of torsion is large, volume is little, reliable operation safety.
3. can for drilling rod provides pretightning force, can rush button power for drilling rod provides high pulling torque during lower brill when upward boring.
4. adopt spring to solve the unsteady problem of drilling rod, avoided the wearing and tearing of drilling rod thread, prolonged the life-span of drilling rod.
5. twisting machine of the present invention adopts hydraulic control, and shares Hydraulic Station with rig, has reduced the twisting machine volume, provides cost savings.
The present invention can be widely used in relating in the engineering explorations such as mine, geology, water conservancy and hydropower, coal, oil, natural gas, ocean the workplace of outer flat (or band otch) unscrewing of drill rod, greatly reduces labor strength, increases work efficiency.
Description of drawings
Fig. 1 is the structural representation of twisting machine of the present invention;
Fig. 2 is the structural representation of tongs 1 in the twisting machine of the present invention;
Fig. 3 is the structural representation of whirligig 8 in the tongs of the present invention;
Fig. 4 is the structural representation of translating device 10 in the tongs of the present invention;
Fig. 5 is the structural representation of floating installation 12 in the twisting machine of the present invention;
Fig. 6 is the structural representation of upper pincers 2 in the twisting machine of the present invention;
Fig. 7 is the structural representation of resetting structure 38 in the upper pincers of the present invention;
Fig. 8 is the structural representation of overhung construction 39 in the upper pincers of the present invention;
Fig. 9 is the structural representation of tourelle 42 in the upper pincers of the present invention;
Figure 10 is the structural representation of caliper 43 in the upper pincers of the present invention;
Figure 11 is the structural representation of gripper clamp group 83 in the caliper of the present invention;
Figure 12 is the structural representation of arrestment mechanism 44 in the upper pincers of the present invention;
Figure 13 is the structural representation of upper pincers medium power transmission mechanism 45 of the present invention;
Figure 14 is the structural representation of center tooth wheels 98 in the Poewr transmission mechanism of the present invention;
Figure 15 is the structural representation of lower pincers 3 of the present invention.
Among the figure: the 1-tongs, the upper pincers of 2-clamp under the 3-, 4-base plate a, 5-reinforcing rib, 6-column, the 7-anchor ear, 8-whirligig, 9-i iron, the 10-translating device, 11-suspension hook, 12-floating installation, 14-circlip for shaft a, 15-deep groove ball bearing a, 16-axle, the 17-dowelled spanner, 18-locking nut a, 19-holding screw a, the 20-bearing holder (housing, cover), 21-thrust ball bearing, 22-suspension hook axle, 23-suspension hook axle sleeve, 24-bolster, 25-pulley spindle, the 26-pulley, 27-hanging beam plate, 28-spring guide, 29-hangs cover, 30-spring a, and 31-hangs cylinder, the 32-check ring, 33-locking nut b, 34-cottor pin a, the 35-caliper hangs cylinder, 36-hydraulic motor, 37-three-position four-way valve, the 38-resetting-mechanism, 39-suspension gear, 40-upper shell, the 41-lower house, 42-tourelle, 43-caliper, the 44-arrestment mechanism, 45-power transmission, 46-cam chair, 47-turns to handle, 48-steering spindle, 49-steel ball, 50-spring b, 51-holding screw b, 52-bearing pin, 53-roller a, 54-transposition fulcrum, 55-handrail, the 56-control lever, 57-handle, 58-handlebar, 59-shift fork, the 60-bar of transposing, the 61-Nut pole, 62-cottor pin b, 63-minor position bar, 64-transposition bar, 65-bearing axle, 66-bearing, 67-lock-screw a, the 68-hanger, 69-attachment bolt a, 70-davit, the 71-hanging beam, 72-holding screw c, 73-hanging beam nut, 74-roller shaft a, 75-deep groove ball bearing b, 76-nut a, 77-opening gear cap, 78-attachment screw a, 79-opening gear, 80-attachment screw b, the 81-ramp, the 82-jaw plate frame, 83-gripper clamp group, 84-bends spring, the 85-jaw, 86-roller shaft b, 87-lock-screw b, 88-roller b, the 89-spring bearer plate, 90-slips a, 91-brake disc seat, 92-spring c, the quiet dish of 93-, the 94-Moving plate, 95-tights a bolt, 96-deep groove ball bearing c, the 97-driving gear, 98-center tooth wheels, 99-lock-screw c, 100-intermediate gear shaft, 101-circlip for shaft b, the 102-idler gear, 103-circlip for hole, 104-deep groove ball bearing d, tong holder under the 105-, the 106-eccentric block, 107-cam, 108-wobbler shaft, the 109-synchronising (connecting) rod, the 110-limiting plate, 111-base plate b, 112-nut b, 113-slips b, 114-attachment bolt b, 115-stopper slot, 116-pin.
The specific embodiment
The hydraulic casing screwing machine in the got out of the way aperture for outer flush drill stem unloading of the present invention mainly consists of the following components:
(1) tongs: be used for the upper pincers of suspention, realize simultaneously getting out of the way the aperture, can make twisting machine when not needing to use, fall back on the limit, hole, be convenient to labourer and operate in the aperture;
(2) upper pincers: the core component of twisting machine, be mainly used in finishing the joint drilling rod clamping, tighten and rush the action such as button.
(3) lower pincers: lower clamp is lived and is saved drilling rod under the aperture, and the deadweight of the drilling rod supports drill rods hole in overcomes pretension or moment of torsion is detained in punching, prevents from rotating in the hole or skidding with the unloading of top rod.
(4) floating installation: so that tightening or during dismounting drilling rod, grasping system can be regulated along the drilling rod axial stretching up and down, thereby reduces working resistance, avoid the drill rod thread damage.Spring guide 28 and spring a 30 solves and tightens or unclamp the axial retractable floating problem of drilling rod in the drilling rod process.
(5) hydraulic control system part: this twisting machine adopts hydraulic control, and twisting machine everything hydraulic valve is controlled, and uses that hydraulic power unit provides power on the rig.
As shown in Figure 1 and Figure 2, the hydraulic casing screwing machine in the got out of the way aperture for outer flush drill stem unloading of the present invention comprises tongs 1, upper pincers 2, lower pincers 3 and floating installation 12.Upper pincers 2 link to each other with suspension hook 11 by floating installation 12.
Such as Fig. 2,, Fig. 3, shown in Figure 4, tongs 1 comprises base plate a 4, reinforcing rib 5, column 6, anchor ear 7, whirligig 8, i iron 9, translating device 10, suspension hook 11.Whirligig 8 comprises circlip for shaft a 14, deep groove ball bearing a 15, axle 16, dowelled spanner 17, locking nut a 18, holding screw a 19, bearing holder (housing, cover) 20, thrust ball bearing 21.Translating device 10 comprises suspension hook axle 22, suspension hook axle sleeve 23, bolster 24, pulley spindle 25, pulley 26, hanging beam plate 27.Base plate a 4, reinforcing rib 5, column 6 welds together, and by anchor ear 7 lockings, with fot screw weldment is fixed on the limit, hole, whirligig 8 is installed in the hollow column by axle 16 and deep groove ball bearing a 15, and rotate around column, i iron 9 is connected by screw on the axle 16 of whirligig 8, two bolsters 24 of translating device 10 usefulness are installed in two blocks of hanging beam plates 27 both sides of i iron 9, and be sitting on the i iron 9 by four pulleys 26, can move back and forth along i iron 9, by suspension hook axle 22 connecting shackles 11, whole device mainly works to get out of the way the aperture simultaneously.
As shown in Figure 5, floating installation 12 comprises spring guide 28, hangs cover 29, spring a 30, hangs cylinder 31, check ring 32, locking nut b33, cottor pin a 34, caliper and hang cylinder 35.Spring guide 28 stretches into and hangs in the cylinder 31, hangs in the cylinder 31 and is placed with spring a 30, and in spring a 30 bottoms check ring 32 is arranged, and is fixing with Double-end locking nut b33 and cottor pin a 34.Spring is in free state like this, can so that drilling rod can tighten or automatic floating during the loose unloading drilling rod, thereby prevent that drilling rod thread from destroying, and prolongs Life of drill rod.Hang cylinder 31 rear ends and be connected to caliper and hang cylinder 35, be used for the upper pincers 2 of suspention.
The upper pincers 2 that show twisting machine of the present invention such as Fig. 6, it is the core component of twisting machine of the present invention.Upper pincers 2 comprise hydraulic motor 36, three-position four-way valve 37, resetting-mechanism 38, suspension gear 39, upper shell 40, lower house 41, tourelle 42, caliper 43, arrestment mechanism 44, power transmission 45.Hydraulic motor 36 and three-position four-way valve 37 position by 3 bearing pins by link to each other with power transmission 45 upper shell 40 and lower house 41 of spline, and both can be covered fully.
Show resetting-mechanism 38 in the upper pincers of the present invention such as Fig. 7, it comprises cam chair 46, turns to handle 47, steering spindle 48, steel ball 49, spring b 50, holding screw b 51, bearing pin 52, roller a 53, transposition fulcrum 54, handrail 55, control lever 56, handle 57, handlebar 58, shift fork 59, positioning bar 60, Nut pole 61, cottor pin b 62, minor position bar 63, transposition bar 64, bearing axle 65, bearing 66.Described resetting comprises aligning of opening notch gear and housing breach, and the aligning of opening notch gear and jaw breach.One end of steering spindle 48 semicircle notches with are connected the limited post that is connected with jaw plate frame and link to each other, the other end is by opening gear cap 77, cam chair 46 and turn to handle 47, two screws of cam chair 46 usefulness are fixed on the opening gear cap 77, roller a 53 is connected with control lever 56 by bearing pin 52, control lever 56 is fixed on the upper shell 40 by transposition fulcrum 54, handrail 55 is fixed on the upper shell 40, handle 57 and shift fork 59 link into an integrated entity by screw thread and handlebar 58, connector is fixed on the handrail 55, control lever 56 and positioning bar 60 are connected in the groove of shift fork 59, positioning bar 60 is by Nut pole 61, cottor pin b 62, minor position bar 63, transposition bar 64, bearing axle 65, bearing 66 is connected on the three-position four-way valve 37, when tightening or loose unloading finishing drilling bar need to reset the time, move first and turn to handle 47, steering spindle 48 is along with rotation, the semicircle notch of steering spindle 48 lower ends turns an angle, jaw plate frame 82 and opening gear 79 are aligned, then swing handle 57 left, control lever 56 fulcrum 54 that rotates swings to the right, when opening gear 79 turns to control lever 56 position, roller a 53 blocks mutually with cam chair 46, and the breach of opening gear 79 and housing is aligned.All like this component all align with breach, thereby make things convenient for twisting machine to remove the aperture.
The suspension gear 39 that shows upper pincers of the present invention such as Fig. 8, it comprises lock-screw a 67, hanger 68, attachment bolt a 69, davit 70, hanging beam 71, holding screw c 72, hanging beam nut 73.Two bar davits 70 link to each other with hanger 68 on the upper shell 40 by attachment bolt a 69, with lock-screw a 67 location, two bar davits 70 are connected with hanging beam 71 by two holding screw c 72, one end of hanging beam nut 73 is threaded connection on hanging beam 71, the other end hangs cylinder 35 by bolt and caliper and is connected, thereby plays the effect of the upper pincers of suspention.
The tourelle 42 that shows upper pincers of the present invention such as Fig. 9, it comprises roller shaft a 74, deep groove ball bearing b 75, nut a 76.The 21 pairs of tourelles 42 are distributed in up and down in two parts, above 10 pairs, below 11 pairs.11 pairs of following tourelles are installed in 11 holes of lower house 41, and 10 pairs of top tourelles are installed in the hole of upper shell 40, with 11 pairs of following radial loads that tourelle bears opening gear 79.
Be the caliper 43 of upper pincers such as Figure 10, it comprises opening gear cap 77, attachment screw a 78, opening gear 79, attachment screw b 80, ramp 81, jaw plate frame 82, gripper clamp group 83, bow spring 84, stopper slot 115.Opening gear cap 77 is connected with opening gear 79 by 5 attachment screw a 78, opening gear 7 is sitting in the lower house 41, by tourelle 42 radial locations, four ramps 81 are placed in the groove of opening gear 79, and link to each other with opening gear 79 by 8 attachment screw b 80, jaw plate frame 82 is sitting on the opening gear 79, and two gripper clamp groups 83 are placed in the stopper slot of jaw plate frame 82, and two gripper clamp groups 83 connect by bow spring 84.When needs are tightened drilling rod, make jaw plate frame 82 motionless by arrestment mechanism 44 first, opening gear 79 rotates, and gripper clamp group 83 moves to aspect the hole under the effect of the stopper slot of ramp 81 and jaw plate frame 82, thereby clamps drilling rod.
Show gripper clamp group 83 in the caliper 43 such as Figure 11, it comprises jaw 85, roller shaft b 86, lock-screw b 87, roller b 88, spring bearer plate 89, slips a 90.Slips a 90 is placed directly in the groove of jaw 85, when slips a 90 wearing and tearing, only need to take out it in groove, and more change card watt gets final product.Spring bearer plate 89 is used for compressing bow spring 84.Roller b 88 is connected connections by roller shaft b 86 with jaw, and with lock-screw b 87 lockings, roller b 88 in the circular trough of opening gear 79 and ramp 81 move, for the clamping drilling rod.
The arrestment mechanism 44 that shows upper pincers of the present invention such as Figure 12, it comprises brake disc seat 91, spring c 92, quiet dish 93, Moving plate 94, tights a bolt 95.Brake disc seat 91 links to each other with jaw plate frame 82 by 4 screws, two Moving plates 94 are installed in the both sides of quiet dish 93, simultaneously 5 sections spring c 92 are installed between brake disc seat 91 and quiet dish 93, every section spring all overlaps and tights a bolt 95, and quiet dish 93 is stuck in three grooves of lower house 41.Arrestment mechanism 44 is mainly used in making ramp 81 and jaw plate frame 82 that relative motion occurs.When needs are tightened drilling rod, turn first and tight a bolt 95, make its Compress Spring c 92, compress brake disc seat 91 by Moving plate 94 and quiet dish 93, make jaw plate frame 82 and ramp 81 that relative motion occur by friction, thereby clamping drilling rod, after clamping drilling rod, unclamp and tight a bolt 95, make 92 times free states of spring c, make jaw plate frame 82 with ramp 81 motions, realize whereby the unloading of drilling rod.
The power transmission 45 that shows upper pincers of the present invention such as Figure 13, it comprises deep groove ball bearing c 96, driving gear 97, center tooth wheels 98.Driving gear 97 is installed in the hole of lower house 41 by deep groove ball bearing c 96, hydraulic motor 36 links to each other with driving gear 97 by spline, the motion of driving driving gear, can not carry-over moment during for the breach that prevents opening gear 79 and driving gear engagement, and adopt two center tooth wheels 98, the moment of torsion on the driving gear 97 is delivered to opening gear 79.
Show center tooth wheels 98 in the power transmission of the present invention such as Figure 14, it comprises lock-screw c 99, intermediate gear shaft 100, circlip for shaft b 101, idler gear 102, circlip for hole 103, deep groove ball bearing d 104.Center tooth wheels 98 mainly play idle pulley, only are used for transmitting torque.In idler gear 102, put into two couples of deep groove ball bearing d 104, the centre separates with circlip for hole 103, carry out axial location with 101 couples of two couples of deep groove ball bearing d 104 of two circlip for shaft b simultaneously, intermediate gear shaft 100 links to each other with upper shell 40 by lock-screw c 99, thereby makes intermediate gear shaft 100 keep motionless in motion process.
Show lower pincers 3 of the present invention such as Figure 15, the drilling rod deadweight that it is used for overcoming in the hole on the one hand is used for overcoming punching button moment of torsion on the other hand.Lower pincers 3 comprise lower tong holder 105, eccentric block 106, cam 107, wobbler shaft 108, synchronising (connecting) rod 109, limiting plate 110, base plate b 111, nut b 112, slips b 113, attachment bolt b 114, pin 116.Two limiting plates 110 and base plate b 111 welding, base plate b 111 is provided with drilling rod and passes through the hole, one end of two eccentric blocks 106 is in the stopper slot of lower tong holder 105, the other end is placed in the weldment of base plate b 111 and limiting plate, and be connected with weldment by wobbler shaft 108, two screwed holes on the wobbler shaft 108 cooperate with two screwed holes on the eccentric block, by attachment bolt b 114 both are fixed, cam 107 is connected with wobbler shaft 108 by flat key, and by nut b 112 lockings, simultaneously, synchronising (connecting) rod 109 is connected with hole on the cam 107 by pin, and slips b 113 is placed in the groove of weldment, when drilling rod passes through the hole of base plate b 111, two eccentric blocks 106 drive two synchronising (connecting) rods 109 around 108 rotations of two wobbler shafts, drive simultaneously two slips b 113 and move to the aperture, thereby clamp drilling rod.
In the course of the work: when needing drilling rod in drilling process, lower pincers 3 pass through synchronous cam mechanism (eccentric block 106, cam 107, wobbler shaft 108, synchronising (connecting) rod 109) to drill-rod clamping in the hole.The upper pincers 2 of tongs 1 suspention turn an angle upper pincers 2 are moved on to the aperture, regulate whirligig 8 and the translating device 10 of tongs 1, make drilling rod be positioned at the center, hole of pincers 2.Turn and tight a bolt 95, by Moving plate 94 and quiet dish 93 Compress Spring c 92, compress simultaneously brake disc seat 91, make jaw plate frame 82 keep motionless by friction, start rotation motor 36, rotation motor 36 drives driving gear 97 turns, by center tooth wheels 98 high pulling torque is passed to opening gear 79, relative motion occurs in ramp 81 and jaw plate frame 82, and gripper clamp group 83 moves along the aperture direction under the acting in conjunction of ramp 81 and jaw plate frame 82 grooves, thereby clamps drilling rod.Behind the drill-rod clamping, unclamp and tight a bolt 95, make spring c 92 be in free state, relative motion no longer occurs in jaw plate frame 82 and ramp 81, and jaw plate frame 82 is with 79 rotations of opening gear, thereby tightens drilling rod.Tighten finish after, move and turn to handle 47, steering spindle 48 is along with rotation, the semicircle notch of steering spindle 48 lower ends turns an angle, and jaw plate frame 82 and opening gear 79 are aligned, then swing handle 57 left, control lever 56 fulcrum 54 counter-clockwise swings that rotate, when opening gear 79 turned to control lever 56 position, roller a 53 blocked mutually with cam chair 46, and the breach of opening gear 79 and housing is aligned.All like this component all align with breach, by tongs 1 upper pincers 2 are moved on on the drilling platform limit, and whole rundown process is finished.
When needs loose unloading drilling rod, lower pincers 3 pass through synchronous cam mechanism (eccentric block 106, cam 107, wobbler shaft 108, synchronising (connecting) rod 109) to drill-rod clamping in the hole.The upper pincers 2 of tongs 1 suspention turn an angle upper pincers 2 are moved on to the aperture, regulate whirligig 8 and the translating device 10 of tongs 1, make drilling rod be positioned at the center, hole of pincers 2.Turn and tight a bolt 95, by Moving plate 94 and quiet dish 93 Compress Spring c 92, compress simultaneously brake disc seat 91, make jaw plate frame 82 keep motionless by friction, start rotation motor 36, allow rotation motor 36 reverse, drive driving gear 97 turns, by center tooth wheels 98 high pulling torque is passed to opening gear 79, relative motion occurs in ramp 81 and jaw plate frame 82, and gripper clamp group 83 moves along the aperture direction under the acting in conjunction of ramp 81 and jaw plate frame 82 grooves, thereby clamps drilling rod, behind the drill-rod clamping, unclamp and tight a bolt 95, make spring c 92 be in free state, relative motion no longer occurs in jaw plate frame 82 and ramp 81, jaw plate frame 82 rotates with opening gear 79, thereby plays the effect of loose unloading drilling rod.After loose unloading is finished, move and turn to handle 47, steering spindle 48 is along with rotation, the semicircle notch of steering spindle 48 lower ends turns an angle, and jaw plate frame 82 and opening gear 79 are aligned, then swing handle 57 left, control lever 56 fulcrum 54 counter-clockwise swings that rotate, when opening gear 79 turned to control lever 56 position, roller a 53 blocked mutually with cam chair 46, and the breach of opening gear 79 and housing is aligned.All like this component all align with breach, by tongs 1 upper pincers 2 are moved on on the drilling platform limit, and whole loose unloading process is just finished.

Claims (5)

1. a hydraulic casing screwing machine that is used for the got out of the way aperture of outer flush drill stem unloading is characterized in that: comprise tongs (1), upper pincers (2) and lower pincers (3); Wherein lower pincers are fixed on the aperture, are used for drilling rod in the holes for clamping; The upper pincers (2) that are used for clamping drilling rod and unloading drilling rod comprise hydraulic motor (36), three-position four-way valve (37), resetting-mechanism (38), suspension gear (39), upper shell (40), lower house (41), tourelle (42), caliper (43), arrestment mechanism (44), power transmission (45); The tongs of pincers comprises base plate a (4), four reinforcing ribs (5), column (6), anchor ear (7), whirligig (8), i iron (9), translating device (10), suspension hook (11), floating installation (12) in the suspension; Wherein whirligig (8) comprises circlip for shaft a (14), deep groove ball bearing a (15), axle (16), dowelled spanner (17), locking nut a (18), holding screw a (19), bearing holder (housing, cover) (20), thrust ball bearing (21), it is installed in the column (6), the axle (16) of whirligig (8) is rotated around column (6) by deep groove ball bearing a (15) and thrust ball bearing (21), when needs fixedly the time, by dowelled spanner (17) and locking nut a (18) hold down mandrel (16); I iron (9) links to each other by 4 bolts with whirligig (8), rotates around column (6); Translating device (10) comprises suspension hook axle (22), suspension hook axle sleeve (23), bolster (24), pulley spindle (25), pulley (26), hanging beam plate (27), suspension hook (11) links to each other with hanging beam plate (27) by suspension hook axle (22), pulley (26) links to each other with hanging beam plate (27) by pulley spindle (25), and whole translating device moves along the i iron direction by four pulleys (26); Floating installation (12) comprises spring guide (28), hangs cover (29), spring a (30), hang cylinder (31), a check ring (32), locking nut b (33), cottor pin a (34), caliper hangs cylinder (35), it is connected with suspension hook (11) by spring guide (28), unsteady problem when solving the unloading drill rod thread by spring a (30) prevents that screw thread from destroying; Caliper (43) comprises opening gear cap (77), attachment screw a (78), opening gear (79), attachment screw b (80), ramp (81), jaw plate frame (82), gripper clamp group (83), bow spring (84); Opening gear cap (77) is connected with opening gear (79) by attachment screw a (78), 4 ramps (81) are fixed in the opening gear (79) by 8 attachment screw b (80), jaw plate frame (82) seat is in opening gear (79), 2 gripper clamp groups (83) are placed in the stopper slot (115) of jaw plate frame (82), when jaw plate frame (82) when not rotating gripper clamp group (83) can only move along the aperture direction, thereby drilling rod in the holes for clamping, bow spring (84) is mainly used to connect 2 gripper clamp groups (83); Arrestment mechanism (44) comprises brake disc seat (91), spring c (92), quiet dish (93), Moving plate (94), (95) tight a bolt; When needs clamp drilling rod, in order to make ramp (81) and jaw plate frame (82) that relative motion occur, at first want fixed jaw grillage (82), here tighten Compress Spring c (92) by 7 tight a bolt (95), brake disc seat (91) and jaw plate frame (82) are compressed, friction by between the two allows jaw plate frame (82) not rotate with ramp (81), after clamping drilling rod, unclamp tight a bolt (95), spring c (92) returns former long status, and jaw plate frame (82) moves with ramp (81); Quiet dish (93) is stuck in the breach of lower house, make that quiet dish (93) does not move with opening gear (79) in the unloading drilling rod process, two Moving plates (94) are distributed in the both sides of quiet dish (93), rotate with opening gear (79) at the spacing lower of quiet dish (93); Power transmission (45) comprises deep groove ball bearing c (96), driving gear (97), center tooth wheels (98); Hydraulic motor (36) links to each other with driving gear (97) by spline, driving gear (97) is installed in the lower house (41) by deep groove ball bearing c (96), driving gear (97) by center tooth wheels (98) with transmission of power to opening gear (79), wherein center tooth wheels (98) comprise lock-screw c (99), intermediate gear shaft (100), circlip for shaft b (101), idler gear (102), circlip for hole (103), deep groove ball bearing d (104); Intermediate gear shaft (100) is fixed on upper shell (40) by lock-screw c (99), two couples of deep groove ball bearing d (104) are installed in idler gear (102), position by 2 circlip for shaft b (101) up and down, separate with circlip for hole (103) between two pairs of deep groove ball bearings, when driving gear (97) drives idler gear (102) rotation, idler gear (102) rotates with deep groove ball bearing d (104), and intermediate gear shaft (100) is motionless; Lower pincers (3) comprise lower tong holder (105), eccentric block (106), cam (107), wobbler shaft (108), synchronising (connecting) rod (109), limiting plate (110), base plate b (111), nut b (112), slips b (113), attachment bolt b (114); Two limiting plates (110) and base plate b (111) welding, base plate b (111) is provided with drilling rod and passes through the hole, one end of two eccentric blocks (106) is in the stopper slot of lower tong holder (105), the other end is placed in the weldment of composition of base plate b (111) and limiting plate (110), wobbler shaft (108) passes limiting plate (110), two screwed holes on the wobbler shaft (108) cooperate with two screwed holes on the eccentric block, by attachment bolt b (114) both are fixed, cam (107) connects with wobbler shaft (108) by flat key, and by nut b (112) locking, simultaneously, synchronising (connecting) rod (109) is connected with cam (107) by pin (116), slips b (113) is placed in the weldment of composition of base plate b (111) and limiting plate (110), when drilling rod passes base plate b (111), two eccentric blocks (106) drive two synchronising (connecting) rods (109) and rotate around two wobbler shafts (108), drive simultaneously two slips b (113) and move to the aperture, thereby clamp drilling rod.
2. the hydraulic casing screwing machine in the got out of the way aperture for outer flush drill stem unloading according to claim 1, it is characterized in that: resetting-mechanism (38) comprises cam chair (46), turn to handle (47), steering spindle (48), steel ball (49), spring b (50), holding screw b (51), bearing pin (52), roller a (53), transposition fulcrum (54), handrail (55), control lever (56), handle (57), handlebar (58), shift fork (59), positioning bar (60), Nut pole (61), cottor pin b (62), minor position bar (63), transposition bar (64), bearing axle (65), bearing (66); Steering spindle (48) connects jaw plate frame (82), opening gear cap (77), cam chair (46) and turn to handle (47), cam chair (46) links to each other with opening gear cap (77) by bolt, turn to steel ball (49) and spring b (50) are installed in handle (47) hole, and lock with holding screw b (51), control lever (56) links to each other with upper shell (40) by transposition fulcrum (54), roller a (53) is connected with control lever (56) by bearing pin (52), handrail (55) links to each other with upper shell (40) by screw, handle (57) and shift fork (59) are threaded with handlebar (58) two ends, shift fork (59) is bolted on the handrail (55), control lever (56) and positioning bar (60) are connected in the shift fork (59), Nut pole (61) is threaded connection with positioning bar (60), Nut pole (61) links to each other with minor position bar (63), and spacing by cottor pin b (62), minor position bar (63) is threaded connection with transposition bar (64), transposition bar (64) is connected with bearing axle (65) by bolted splice, and bearing axle (65) is affixed by bearing (66) and three-position four-way valve (37).
3. the hydraulic casing screwing machine in the got out of the way aperture for outer flush drill stem unloading according to claim 1, it is characterized in that: suspension gear (39) comprises lock-screw a (67), hanger (68), attachment bolt a (69), davit (70), hanging beam (71), holding screw c (72), hanging beam nut (73); Hanger (68) is welded on upper shell (40) surface, davit (70) is fixed in the hanger (68) by attachment bolt a (69), hanging beam (71) passes davit (70), and fixing with holding screw c (72), hanging beam nut (73) is connected with hanging beam (71), can the caliper in tongs (1) hangs cylinder (35) and suspends upper clamp part in midair and divide.
4. the hydraulic casing screwing machine in the got out of the way aperture for outer flush drill stem unloading according to claim 1, it is characterized in that: tourelle (42) comprises roller shaft a (74), deep groove ball bearing b (75), nut a (76); Be connected with two couples of deep groove ball bearing b (75) on each roller shaft a (74), whole twisting machine has 21 groups of tourelles, above 10 groups, following 11 groups being distributed in the upper-lower casing of twisting machine, and tighten with nut a (76), below 11 groups of tourelles near opening gear (79), make the radial location of opening gear, when opening gear (79) rotates, drive tourelle and rotate together simultaneously; The above has 10 groups of tourelles, with opening gear cap (77) near, and following 11 groups of tourelles when caliper (43) is rotated stressed evenly.
5. the hydraulic casing screwing machine in the got out of the way aperture for outer flush drill stem unloading according to claim 1, it is characterized in that: gripper clamp group (83) comprises jaw (85), roller shaft b (86), lock-screw b (87), roller b (88), spring bearer plate (89), slips a (90); Jaw (85) is connected 88 with roller b) connect by roller shaft b (86), spring bearer plate (89) is used for holddown spring, connects with jaw (85) by screw, and slips a (90) is installed in the groove of jaw (85); When needing to change after the slips wearing and tearing, only slips a need to be taken out getting final product from the jaw groove.
CN 201010566645 2010-12-01 2010-12-01 Hydraulic pipe screwing machine for screwing and unscrewing outer flat drill pipe and being capable of keeping off orifice Expired - Fee Related CN102031939B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606094B (en) * 2012-03-29 2014-04-02 王新翰 Drill pipe positioning, assembling and disassembling calipers
CN103510890A (en) * 2013-10-17 2014-01-15 无锡中地地质装备有限公司 Clamping mechanism of pipe twisting machine
CN103510889A (en) * 2013-10-17 2014-01-15 无锡中地地质装备有限公司 Guide rod structure for pipe twisting machine
CN104944295A (en) * 2015-07-08 2015-09-30 无锡顺达智能自动化工程股份有限公司 Rotational lifting device for maintenance
CN110630193B (en) * 2019-08-20 2021-01-29 中国石油天然气股份有限公司 Control device of hydraulic power tongs and hydraulic power tongs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902385A (en) * 1974-03-14 1975-09-02 Varco Int Pipe joint make-up or break-out tool
US7313986B2 (en) * 2005-12-23 2008-01-01 Varco I/P, Inc. Tubular-drill bit connect/disconnect apparatus
CN101529046A (en) * 2006-08-24 2009-09-09 坎里格钻探技术有限公司 Oilfield tubular torque wrench
CN201891398U (en) * 2010-12-01 2011-07-06 武汉金地探矿机械有限公司 Hydraulic breakout machine for screwing/unscrewing of drill rod

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8667869B2 (en) * 2005-05-03 2014-03-11 Yaogen Ge Spinner assembly for oilfield tubular connections

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902385A (en) * 1974-03-14 1975-09-02 Varco Int Pipe joint make-up or break-out tool
US7313986B2 (en) * 2005-12-23 2008-01-01 Varco I/P, Inc. Tubular-drill bit connect/disconnect apparatus
CN101529046A (en) * 2006-08-24 2009-09-09 坎里格钻探技术有限公司 Oilfield tubular torque wrench
CN201891398U (en) * 2010-12-01 2011-07-06 武汉金地探矿机械有限公司 Hydraulic breakout machine for screwing/unscrewing of drill rod

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