CN101581196B - Impacting helicoid hydraulic motor and transmission shaft assembly - Google Patents

Impacting helicoid hydraulic motor and transmission shaft assembly Download PDF

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Publication number
CN101581196B
CN101581196B CN2009100163224A CN200910016322A CN101581196B CN 101581196 B CN101581196 B CN 101581196B CN 2009100163224 A CN2009100163224 A CN 2009100163224A CN 200910016322 A CN200910016322 A CN 200910016322A CN 101581196 B CN101581196 B CN 101581196B
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transmission shaft
zhenzuo
drive shaft
ectosome
impact
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Expired - Fee Related
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CN2009100163224A
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CN101581196A (en
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李鹏飞
李小楠
李泊静
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李鹏飞
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Publication of CN101581196B publication Critical patent/CN101581196B/en
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Abstract

The invention discloses an impacting helicoid hydraulic motor and transmission shaft assembly, which comprises transmission shafts and external bodies, wherein bidirectional limiting bearings are arranged between the external bodies and the transmission shafts. The impacting helicoid hydraulic motor and transmission shaft assembly is characterized in that: the transmission shafts consist of an upper transmission shaft and a lower transmission shaft; the external bodies corresponding to the transmission shafts also consist of an upper external body and a lower external body; an annular rigid impact socket and an upper vibration starting seat which are connected into a whole are movably arranged in an annular cavity between a lower external body and the lower transmission shaft; the lower end of the annular rigid impact socket is provided with an impact seat fixedly connected with the lower transmission shaft; and vibration starting devices are arranged between the upper vibration starting seat and the lower transmission shaft as well as between the annular rigid impact socket and the lower transmission shaft. While retaining the functions of a helicoid hydraulic motor, the impactinghelicoid hydraulic motor and transmission shaft assembly has the functions of a hydraulic impactor which is long in service life and controllable in frequency and impact force. The impacting helicoid hydraulic motor and transmission shaft assembly can greatly improve rock breaking efficiency of a drill bit and the drilling speed of a drilling machine and reduce the drilling construction cost duri ng drilling construction of various wells.

Description

Screw drill transmission shaft assembly with impact function
Technical field
The present invention relates to oil drilling and geologic prospect drilling well with hydraulic impacter and helicoid hydraulic motor technical field, is a kind of screw drill transmission shaft assembly with impact function specifically.
Background technology
Helicoid hydraulic motor is present oil drilling or geologic prospect drilling well mud motor ripe already in worldwide; It is the indispensable instrument of directional well drilling and combined drilling; Its model and of a great variety, but principle is basic identical with formation, and bit speed is also much the same.How improving bit speed is the technical barrier that present countries in the world are being studied.
The core technology content that improves bit speed is how to improve the efficiency of breaking rock of drill bit.Around this technology contents,, proposed rotary percussion drilling technology (abbreviation spin drilling well) notion nearly decades again, and carried out a large amount of technical research and The field except research bit technique, jetting breaking technique for rock and other drilling technology.Proved already that the drilling well of spinning can increase substantially the rate of penetration (per hour the rice number of drill bit formation drilling is called rate of penetration) of drilling well, is with a wide range of applications.The spin core content of drilling technology is above the nearly drill bit of drilling tool, to connect an impactor, in the drilling process; Drilling tool rotates on one side; Impactor produces an axial impact force on one side and acts on drill bit, and drill bit reaches the purpose of fast broken rock to the impact force of an alternation of rock generation.At present the impactor type developed of countries in the world is more, can be divided into by power mode difference surge, forms such as pneumatic, electronic, gas-liquid mixed and mechanism.Most widely used at oil drilling or geologic prospect area research is to surge and pneumatic two kinds.Hydraulic impacter is to be drive medium with fluid power (drilling fluid), can be divided into forms such as valve formula positive interaction, the reaction of valve formula, valve formula double acting (containing valve formula alive and throttle type), jetting type, jet absorption type according to the difference of structure.The primary structure of these impactors comprises changement (piston, spring, seal, block stamp) and energy delivery mechanisms (hammering block, drill bit) etc.The field proves, because the switching-over of hydraulic impacter action relies on liquid (drilling fluid) driving and reverse mechanism (valve member) to realize, so ubiquity two big fatal defectives; The one, the erosion of liquid (drilling fluid) or solid phase particles wherein make the switch valve member can not normally realize specified action, or it are undesired to work; Do not work; And the valve member life-span is short, thereby has caused whole impactor unstable properties, and the life-span is short; The 2nd, vibration frequency and impact force change along with the variation of factors such as liquid (drilling fluid) discharge capacity and pump pressure; It is a stochastic variable; This variation; Drill bit design (or type selecting) still all is difficult to accomplish conform to actual conditions to finding the solution of crushing rock formation merit, and The field has also fully proved this fact, impact cutting rock DeGrain.Therefore, for many years should technology do not carry out popularization as yet and apply, still be in technical research and improve the stage.Air hammer is to be circulatory mediator with the air, and operating principle and hydraulic impacter are similar, because of the erosion of its no liquid or the destruction of solid phase particles; Design is relatively easy; And life-span and effect all are superior to hydraulic impacter, use but only limit to air drilling, and range of application is limited.Alternate manner impactor (or jar) only limits to ground or use on the face of land, can not be applied to oil drilling or geologic prospect drilling well and use, so do not give unnecessary details.
Existing hydraulic impacter operating principle has seriously restricted further developing of technology, limited the application of impact cutting technique for rock in drilling well, and the single function of traditional helicoid hydraulic motor has also limited the expansion of its application scale and widening of field.If can the two function be united two into one, both increased life-span, controllability and the effectiveness of hydraulic impacter, promoted scale application and the development of technology of helicoid hydraulic motor in drilling well again, the technical development prospect should be very wide.
Summary of the invention
The object of the invention is intended to overcome the defective that prior art exists; Reconnoitre and exploit drilling well for petroleum exploration and development drilling well, non-oil resource and a kind of screw drill transmission shaft assembly with impact function is provided, make the helicoid hydraulic motor of existing each model and specification, behind connection the present invention with helicoid hydraulic motor; Not only kept the original function of helicoid hydraulic motor; Also have the hydraulic impacter function of long service life, controllable frequency, controlled impact force size, can in the wellbore construction of any well type, increase substantially the drill bit efficiency of breaking rock; Improve the drilling machinery drilling speed, reduce the wellbore construction cost.
Technical scheme of the present invention is: a kind of screw drill transmission shaft assembly with impact function, and it has power transmission shaft, is provided with ectosome in the power transmission shaft outside; Be provided with bidirectionally limited bearing between ectosome and the power transmission shaft, be connected with water in the upper end of power transmission shaft and connect pipe nipple, mistake water connection pipe nipple is provided with water hole and communicates with the interior cavity of power transmission shaft; Characteristics are, power transmission shaft is divided into power transmission shaft and lower drive shaft two parts, and last power transmission shaft and lower drive shaft are for flexibly connecting; Corresponding to power transmission shaft, ectosome also is divided into ectosome and following ectosome two parts, is being movably equipped with annular rigid body impact cover and last Qi Zhenzuo in the toroidal cavity between ectosome and the lower drive shaft down; The annular rigid body impacts cover and connects as one with last Qi Zhenzuo; Be provided with spring on last top of opening the seat that shakes, the other end of spring joins with the inner roof wall of following ectosome, and the lower end of impacting cover at annular rigid body is provided with striker; Striker is fixedly connected on the lower drive shaft; Last open shake between seat and the lower drive shaft, annular rigid body impacts to be provided with between cover and the lower drive shaft and opens vibrating device, the upper end of lower drive shaft is provided with the pressure transmission hole that communicates with its inner chamber, the position of pressure transmission hole is located at opens the seat top that shakes.
Said being located at opened the vibrating device that opens that shakes between seat and the lower drive shaft and comprised down Qi Zhenzuo; Open down shake seat with on to open a position that shakes corresponding and be fixedly connected on the lower drive shaft; On last shake seat and the following corresponding inclined-plane that N gradient such as five equilibrium equal altitudes is set respectively of end face upper edge circumferential plane that the seated connection that shakes touches, N >=2 of opening of opening.Wherein, For the scuff resistance that improves the inclined-plane and prolong its friction durability, Hardmetal materials on can sintering on the inclined-plane perhaps is provided with ball grooves on the inclined-plane that opens the seat that shakes down; Install ball in the ball grooves; The diameter of ball is larger than the degree of depth of ball grooves, and promptly ball protrudes from chamfered surface, the inclined-plane frictional resistance when reducing work.
The said vibrating device that opens that is located between annular rigid body impact cover and the lower drive shaft is included in the rail groove that M five equilibrium equal helix angle is set on the circumferential same cross section in lower drive shaft body upper edge; M >=2; Impact to put at annular rigid body axis hole is set; Be provided with set bolt in the axis hole, the set bolt top is provided with movable steel ball, and the top of steel ball is positioned at the rail groove on the lower drive shaft.
For on open shake seat and annular rigid body impact cover axially move more flexible, the restriction circumferential movement, annular rigid body impact cover and on open shake and following ectosome between can also be provided with the bracing or strutting arrangement that endwisely slips.The described bracing or strutting arrangement that endwisely slips can be to be provided with slide groove on the ectosome inner surface down; Corresponding reaching on the external surface that opens the seat that shakes at annular rigid body impact cover is provided with ball grooves; In slide groove and the ball grooves ball is installed, perhaps corresponding reaching on the external surface that opens the seat that shakes at annular rigid body impact cover is provided with sliding sleeving hole, is fixed with bearing pin in the sliding sleeving hole; Suit sliding sleeve on bearing pin, the top of sliding sleeve is inserted into down in the slide groove on the ectosome.
Operating principle of the present invention is; When the universal drive shaft of helicoid hydraulic motor rotated, lower drive shaft rotated synchronously, drove annular rigid body impact and was set to the upper dead center position that opens the face of shaking; After rotating to certain angle; The annular rigid body impacts under the effect of the hydraulic coupling that is enclosed within self gravitation, spring force and pressure transmission hole transmission, and from upper dead center position downward impact seat of moment, striker passes to drill bit with impact force through lower drive shaft.So come and go, the moving circle of lower drive shaft revolution, annular rigid body impacts cover and just impacts several times up and down, forms the impact force of fixed frequency, thus make drill bit while rotate impinging earth strata, reach the purpose of breaking rock fast.
The present invention compares with helicoid hydraulic motor with existing hydraulic impacter, and the advantage that has is:
1, the up action of impactor is to rely on mechanical mode to realize, no seal, and no hydraulic selector valve member, good reliability, action is continuous, and the life-span is long;
2, the big I of impact force through nozzle diameter, the spring force of adjustment on the drill bit, open shake height and annular rigid body and impact cover weight and regulate, satisfy the big or small requirement of different model drill bit and stratum impact power;
3, frequency of impact can open shake face geometry and quantity of opening on the vibrating device through adjustment and regulates, and optimizes best vibration frequency to different strata;
4, increase the function of existing helicoid hydraulic motor, and do not influenced original performance, widened the range of application of helicoid hydraulic motor;
5, promoted helicoid hydraulic motor to high pulling torque, long-life, multifunctional direction development; Opened up hydraulic impacter research frontier; The drilling well The Application of Technology of will spinning has been pushed new climax to, has promoted to impact the deep structure research of rock breaking mechanism, and drilling technology is had epoch making significance.
Below in conjunction with accompanying drawing and embodiment the present invention is at length explained.
Description of drawings
Fig. 1-structural representation of the present invention;
Fig. 2 .1-a kind of vibrating device structural representation that opens of the present invention;
The A of Fig. 2 .2-Fig. 2 .1 is to view;
Fig. 3 .1-another kind of the present invention opens the vibrating device structural representation;
The B of Fig. 3 .2-Fig. 3 .1 is to view;
Of the present invention the third of Fig. 4 .1-opens the vibrating device structural representation;
The C-C sectional view of Fig. 4 .2-Fig. 4 .1;
The third opens the rail groove expanded view on the lower drive shaft of vibrating device Fig. 4 .3-the present invention;
Endwisely slip a kind of structural representation of bracing or strutting arrangement of Fig. 5 .1-the present invention;
The D-D sectional view of Fig. 5 .2-Fig. 5 .1;
The endwisely slip another kind of structural representation of bracing or strutting arrangement of Fig. 6 .1-the present invention;
The E-E sectional view of Fig. 6 .2-Fig. 6 .1.
The explanation of accompanying drawing drawing:
1 crosses the water pipe nipple, ectosome on 2,3 times ectosomes, TC bearing radially on 4, power transmission shaft on 5,6 thrust bearings, 7 springs, 8 balls; Qi Zhenzuo on 9,10 times Qi Zhenzuo, 11 annular rigid bodies impact cover, 12 lower drive shafts, 13 strikers, 14 times TC bearings radially, 15 lower contacts; 16 back of the body caps, 17 Hardmetal materials, 18 balls, 19 set bolts, 20 steel balls, 21 sliding sleeves, 22 bearing pins; 23 inclined-planes, 24 rail grooves, 25 slide grooves, 26 ball grooves, A spline pair, B pressure transmission hole, C water hole.
The specific embodiment
With reference to shown in Figure 1, driving-shaft assembly of the present invention is made up of the two large divisions:
A part is the upper body assembly, and is similar basically with the structure of existing helicoid hydraulic motor, it by last ectosome 2, cross water connect pipe nipple 1, go up power transmission shaft 5, on radially TC bearing 4, thrust bearing 6 and back of the body cap 16 are formed.Crossing water connection pipe nipple 1 upper end directly is connected with the universal drive shaft lower end pin thread of helicoid hydraulic motor; Lower end and last power transmission shaft 5 are through screwed connection; Cross and have the water hole C that the circulation cavitys in the individual and last power transmission shaft 5 of 3-4 communicate on the water connection pipe nipple 1, be used for the drilling fluid turn of tidal stream to last power transmission shaft 5 inner chambers.Radially TC bearing 4 and thrust bearing 6 on little interference is packed in the last ectosome 2, last power transmission shaft 5 are inserted into radially in the TC bearing 4 and thrust bearing 6, with carrying on the back cap 16 screw threads for fastening, radially move on the rotor of TC bearing 4 in the restriction.On radially TC bearing 4 be used to prevent power transmission shaft 5 gauge wears, the gravity when thrust bearing 6 is used for carrying the pressure of the drill and helicoid hydraulic motor idle running, spacing up and down, free movable hole can not surpass 3-5mm.
Another part is the lower body assembly, with the structural similarity of existing helicoid hydraulic motor be, basically by ectosome 3, lower drive shaft 12 down, radially TC bearing 14 and lower contact 15 are formed down.The lower end of the upper end of following ectosome 3 and last ectosome 2 is through being threaded; The lower end of following ectosome 3 connects lower contact 15; Little interference cover loads radially TC bearing 14 stators (overcoat) in the lower contact 15; Radially the little interference of TC bearing 14 rotors (interior cover) is sleeved on the lower end body of lower drive shaft 12 down, prevents radially eccentric wear of axis body, and the lower end of lower drive shaft 12 is connected with drill bit.Different with existing helicoid hydraulic motor structure is, for flexibly connecting, as shown in the figure between last power transmission shaft 5 and the lower drive shaft 12; Can the upper end of lower drive shaft 12 be made as internal spline; Be inserted in the external splines of power transmission shaft 5 lower ends, both form the connected mode of spline pair A, can move axially up and down; Open the seat 9 that shakes on installing one in the toroidal cavity between following ectosome 3 and lower drive shaft 12 and overlap 11 with annular rigid body impact; On open the seat 9 that shakes and impact cover 11 through being threaded to one with annular rigid body; Be provided with spring 7 on last top of opening the seat 9 that shakes; The other end of spring 7 joins with the inner roof wall of following ectosome 3, and spring 7 pretensions have certain spring force, and the lower end of impacting cover 11 at annular rigid body is provided with striker 13; Striker 13 is fixedly connected on the lower drive shaft 12 through screw thread; Annular rigid body impact cover 11 and on open between shake seat 9 and the following ectosome 3 device that endwisely slips be installed, upward open between shake seat 9 and the lower drive shaft 12, the impact of annular rigid body overlap 11 and lower drive shaft 12 between setting open vibrating device, the upper end of lower drive shaft 12 has the pressure transmission hole B that communicates with its inner chamber; The position of pressure transmission hole B is located at opens seat 9 tops that shake, and its effect is the pressure consumption that is used to transmit on the bit nozzle.
The described vibrating device that opens can have various ways, and is as shown in Figure 1, corresponding on open shake the seat 9 be provided with open under one shake the seat 10; Under open the seat that shakes and 10 be fixedly connected on the lower drive shaft 12; With on open shake seat 9 lower surface and corresponding following upper surface of opening the seat 10 that shakes, along circumferential plane be divided into several equal altitudes, etc. the inclined-plane 23 of gradient, shown in Fig. 2 .1, Fig. 2 .2; The quantity on inclined-plane 23 is preferably between 2-12, and gradient is between the 0.5-7 degree.During work, on open the seat that shakes and 9 do not rotate, open the seat 10 that shakes down with lower drive shaft 12 rotations, under the effect of inclined-plane power, will on open shake seat 9 jack-up or emptying.For improve the inclined-plane friction durability, Hardmetal materials 17 on can sintering on each inclined-plane 23.
Shown in figure 3.1, Fig. 3 .2; It is same as described above basically that this kind opens vibrating device, and different is, process inclined-plane 23 after; Again open down milling on seat 10 the inclined-plane 23 that shakes go out even depth, etc. the ball grooves of width; Put into ball 18, the degree of depth of ball grooves is 2/3 or 4/5 of ball 18 diameters, on open seat 9 the lower surface that shakes and still be the inclined-plane of quantity such as smooth.Operating principle is same as described above, but the inclined-plane frictional resistance is less.
Opening vibrating device can also be structure shown in Fig. 4 .1, Fig. 4 .2, Fig. 4 .3; Milling goes out 4-12 five equilibrium, equal helix angle, smooth rail groove 24 on the circumferential same cross section in the body upper edge of lower drive shaft 12, and the degree of depth of rail groove 24 is 3-8mm, and helical angle is the 0.75-5 degree; The minimum point of all rail grooves 24 is on same horizontal plane; Error is no more than 0.5mm, and also on same horizontal plane, error is no more than 0.5mm to peak; From the peak to the minimum point, want smooth transition, the transition angle that constitutes with lower drive shaft 12 is no more than 10 degree; 2-4 axis hole opened in corresponding impacting on the cover 11 at annular rigid body; Installs and fixes bolt 19 with screw thread in the axis hole, installing at set bolt 19 tops can movable steel ball 20, with set bolt 19 tops steel ball 20 is pushed in the rail groove 24 on the lower drive shaft 12; Ease out the gap of 1mm after holding out against again; The part of steel ball 20 is positioned at axis hole, and another part is positioned at the rail groove 24 on the lower drive shaft 12, along circumferential free to rotate being advisable.For preventing to release in set bolt 19 work, can impact putting the design locking gear in the reality at annular rigid body, steel ball 20 just can freely rotate or slide like this.When lower drive shaft 12 rotations, annular rigid body impacts cover 11 under the drive of steel ball 20, and the rail groove 24 on lower drive shaft 12 moves up and down.After annular rigid body impacted cover 11 and arrives top dead-centres (being the peak of rail groove 24), annular rigid body impacted cover 11 just under the effect of spring 7, hydraulic coupling that pressure transmission hole B transmits and self gravitation, hits striker 13 down fast, produces the impact force of a ripple frequency.Lower drive shaft 12 continues rotation, and annular rigid body impacts cover 11 and taken to top dead-centre by steel ball 20 once more, repeats down to hit action once more, so comes and goes, and produces periodic shock power.
The above-mentioned vibrating device that opens can use separately; Promptly or only install and open the opening vibrating device and use between seat and the lower drive shaft of shaking; Perhaps only impact to install between cover and the lower drive shaft and open vibrating device and use at annular rigid body; Also can use simultaneously, promptly shake between seat and the lower drive shaft and annular rigid body impacts all to install simultaneously between cover and the lower drive shaft and opens vibrating device and use last opening according to actual conditions (for example: drilling geology difference, construction progress requirement etc.).
Because when rotating; The annular rigid body impact cover 11 and on open shake seat 9 maybe and following ectosome 3 (perhaps lower drive shaft 12) between friction and circumferentially rotation thereupon take place; Therefore; In order to move axially flexibly, restriction is circumferentially rotated, annular rigid body impact cover 11 and on open to shake and between seat 9 and the following ectosome 3 bracing or strutting arrangement that endwisely slips can also be installed.Shown in Fig. 5 .1, Fig. 5 .2; Can on the inner surface of following ectosome 3, have 2-6 slide groove 25; Corresponding reaches the ball grooves 26 that all has on the external surface that opens the seat 9 that shakes with the slide groove 25 same degree of depth, width and quantity at annular rigid body impact cover 11, and the length of ball grooves 26 is taken advantage of diameter for ball quantity and added 8-20mm again, and ball 8 is put in the ball grooves 26 (slide groove 25); Form and axially can slide, but radially with the circumferential irremovable mode that is in axial sliding connection.
Shown in Fig. 6 .1, Fig. 6 .2; After holding slide groove 25 successfully on the inner surface of following ectosome 3; Can also be corresponding reach on the external surface that opens the seat 9 that shakes at annular rigid body impact cover 11 has sliding sleeving hole; Fixed installation bearing pin 22 in the sliding sleeving hole, suit sliding sleeve 21 on bearing pin 22, the top of sliding sleeve 21 is inserted into down in the slide groove 25 on the ectosome 3.The principle that endwisely slips is the same.
Driving-shaft assembly of the present invention is changed into the two body assembly structures of being made up of upper and lower power transmission shaft by traditional integrative-structure; Can use more high hardness alloy material separately with bearing impact lower body assembly big, easy to wear parts in the application; Not only can reduce the cost of production of whole helicoid hydraulic motor; And can prolong its application life, increase work efficiency.

Claims (6)

1. screw drill transmission shaft assembly with impact function, it has power transmission shaft, is provided with ectosome in the power transmission shaft outside; Be provided with bidirectionally limited bearing between ectosome and the power transmission shaft, be connected with water in the upper end of power transmission shaft and connect pipe nipple (1), mistake water connection pipe nipple (1) is provided with water hole (C) and communicates with the interior cavity of power transmission shaft; It is characterized in that power transmission shaft is divided into power transmission shaft (5) and lower drive shaft (12) two parts, last power transmission shaft (5) is flexible connection with lower drive shaft (12); Corresponding to power transmission shaft, ectosome also is divided into ectosome (2) and following ectosome (3) two parts, is being movably equipped with annular rigid body impact cover (11) and last Qi Zhenzuo (9) in the toroidal cavity between ectosome (3) and the lower drive shaft (12) down; The annular rigid body impacts cover (11) and connects as one with last Qi Zhenzuo (9); Be provided with spring (7) on the top of last Qi Zhenzuo (9), the other end of spring (7) joins with the inner roof wall of following ectosome (3), and the lower end of impacting cover (11) at annular rigid body is provided with striker (13); Striker (13) is fixedly connected on the lower drive shaft (12); Between last Qi Zhenzuo (9) and the lower drive shaft (12), annular rigid body impacts to be provided with between cover (11) and the lower drive shaft (12) and opens vibrating device, the upper end of lower drive shaft (12) is provided with the pressure transmission hole (B) that communicates with its inner chamber, the position of pressure transmission hole (B) is located at above the Qi Zhenzuo (9); Wherein
The vibrating device that opens between said Qi Zhenzuo of being located at (9) and the lower drive shaft (12) comprises Qi Zhenzuo (10) down; Following Qi Zhenzuo (10) is corresponding with the position of last Qi Zhenzuo (9) and be fixedly connected on the lower drive shaft (12); On the end face upper edge circumferential plane corresponding inclined-plane (23) that N gradients such as five equilibrium equal altitudes respectively be set of last Qi Zhenzuo (9) with following Qi Zhenzuo (10) contact; N >=2
The said vibrating device that opens that is located between annular rigid body impact cover (11) and the lower drive shaft (12) is included in the rail groove (24) that M five equilibrium equal helix angle is set on the circumferential same cross section in lower drive shaft (12) body upper edge; M >=2; On annular rigid body impact cover (11), axis hole is set; Be provided with set bolt (19) in the axis hole, set bolt (19) top is provided with movable steel ball (20), and the top of steel ball (20) is positioned at the rail groove (24) on the lower drive shaft (12).
2. the screw drill transmission shaft assembly with impact function according to claim 1 is characterized in that, on said inclined-plane (23), is provided with Hardmetal materials (17).
3. the screw drill transmission shaft assembly with impact function according to claim 1 is characterized in that, on the inclined-plane (23) of said Qi Zhenzuo (10) down, ball grooves is set, and is provided with ball (18) in the ball grooves, and the diameter of ball (18) is greater than the degree of depth of ball grooves.
4. the screw drill transmission shaft assembly with impact function according to claim 1 is characterized in that, impacts between cover (11) and last Qi Zhenzuo (9) and the following ectosome (3) being provided with the bracing or strutting arrangement that endwisely slips at annular rigid body.
5. the screw drill transmission shaft assembly with impact function according to claim 4; It is characterized in that; The said bracing or strutting arrangement that endwisely slips is included in down ectosome (3) inner surface and is provided with slide groove (25); Corresponding reaching on the external surface of going up Qi Zhenzuo (9) at annular rigid body impact cover (11) is provided with ball grooves (26), is provided with ball (8) in slide groove (25) and the ball grooves (26).
6. the screw drill transmission shaft assembly with impact function according to claim 4; It is characterized in that; The said bracing or strutting arrangement that endwisely slips is included in down ectosome (3) inner surface and is provided with slide groove (25), and corresponding reaching on the external surface of going up Qi Zhenzuo (9) at annular rigid body impact cover (11) is provided with sliding sleeving hole, is fixed with bearing pin (22) in the sliding sleeving hole; Go up suit sliding sleeve (21) at bearing pin (22), the top of sliding sleeve (21) is inserted into down in the slide groove (25) on the ectosome (3).
CN2009100163224A 2009-06-05 2009-06-05 Impacting helicoid hydraulic motor and transmission shaft assembly Expired - Fee Related CN101581196B (en)

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Publication number Priority date Publication date Assignee Title
CN101967952A (en) * 2010-10-26 2011-02-09 西南石油大学 Fall prevention device for torsional impacter
CN102108835B (en) * 2010-12-27 2013-02-13 中国石油化工集团公司 Motor impact transmission shaft
CN102268961B (en) * 2011-08-01 2013-08-14 西南石油大学 Screw drill transmission shaft assembly with vibration reduction function
CN104612582B (en) * 2014-11-28 2016-08-24 西南石油大学 Underground vibrating percussion tool based on screw rod Yu Double helix ball screw
CN104912478B (en) * 2015-04-23 2017-09-05 中海油研究总院 Drilling well percussion mechanism
CN106639859B (en) * 2015-10-30 2018-10-23 中石化石油工程技术服务有限公司 A kind of mechanical oscillation impact transmission shaft
CN108331527B (en) * 2018-01-17 2019-11-05 中国石油大学(华东) A kind of down-hole motor driving generates the drilling speed device of impact vibration effect

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CN201047254Y (en) * 2007-05-31 2008-04-16 辽河石油勘探局 Novel screw drilling tool
CN201443299U (en) * 2009-06-05 2010-04-28 李鹏飞 Screw drill transmission shaft assembly with impact function

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CN2851513Y (en) * 2005-11-03 2006-12-27 中国石油天然气集团公司 Anti-shock transmission shaft assembly
CN201047254Y (en) * 2007-05-31 2008-04-16 辽河石油勘探局 Novel screw drilling tool
CN201443299U (en) * 2009-06-05 2010-04-28 李鹏飞 Screw drill transmission shaft assembly with impact function

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