CN206071449U - Drilling speed percussion mechanism - Google Patents

Abstract

The utility model discloses a kind of drilling speed percussion mechanism, including impact of collision mechanism setting up and down and side knock mechanism, side knock mechanism includes rotary impact hammer seat, the rotary impact hammer being rotationally connected with rotary impact hammer seat and the first steering diverter in rotary impact hammer；Impact of collision mechanism includes impact of collision hammer seat, the impact of collision portion in seat and the linkage portion by the first steering diverter drive are hammered into shape located at impact of collision, rotary impact hammer crankmotion under the first driving for turning to diverter, while impact of collision portion reciprocating longitudinal motion under the driving of linkage portion, side knock mechanism is with impact of collision mechanism by cleaner for high-pressure drilling fluid driving work, side knock mechanism produces the cross torsion impulsive force of certain frequency by the shock of rotary impact hammer, impact of collision mechanism produces the longitudinal impact force of certain frequency by the shock that impact of collision is hammered into shape, both combine to form three-dimensional motion impact effect, improve bit speed and drilling efficiency.

Description

Drilling speed percussion mechanism

Technical field

This utility model is related to drilling engineering technology, more particularly to a kind of drilling speed percussion mechanism.

Background technology

With the increasingly depleted of shallow oil resource, drilling engineering has to carry out deep-well, ultra-deep well operations, and rotary drilling In entering, ground power unit is with constant speed drive drill string rotating, drill bit（PDC drill bit is adopted typically）With ground under certain the pressure of the drill Layer contact, if shearing force is not enough to destroy rock, drill bit meeting pause, and rotating disk is not stopping rotation, and the energy of moment of torsion is just On drill string, drill string is in twisted state to savings, and when the shearing force for producing be enough to destroy formation rock, the torsion on drill string should Suddenly release causes drill speed to increase suddenly to power, when the rotating speed that drill bit rotates (slip) stage again can reach ground rotating speed 2～3 times, the rotating speed near such drill bit will produce periodic wobble around ground rotating speed, and this phenomenon referred to as glutinous is slided , there is the life-span that this phenomenon can shorten drill bit in effect, and as the stagnation of drill bit can reduce drilling efficiency.

To avoid drill bit from producing glutinous one phenomenon slided in the course of the work, propose for example in United States Patent (USP) in prior art A kind of " torsional pulse generator ", Patent No. US 6742609B2, which adopts turbine drive jump bit to produce high frequency and reverses Impact to solve the above problems, in the Chinese patent of Application No. 200910058083.9, disclose a kind of " torsional pulse for another example Drilling tool ", when driving jump bit, but above two mode only to produce torsional pulse power auxiliary bit operation using screw motor The raising of bit speed and drilling efficiency is very limited, and drill bit rock breaking capacity is poor when running into the hard thing such as rock.

Utility model content

The purpose of this utility model is to provide a kind of drilling speed percussion mechanism, by the use of drilling fluid as power, with horizontal A kind of three-dimensional motion impact is provided for drill bit with longitudinal direction, improve bit speed and drilling efficiency.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of drilling speed percussion mechanism, including impact of collision mechanism setting up and down and side knock mechanism, the horizontal stroke Include rotary impact hammer seat, the rotary impact hammer being rotationally connected with rotary impact hammer seat and located at rotation punching to beater mechanism The first steering diverter in hammer；The impact of collision mechanism includes impact of collision hammer seat, hammers into shape in seat located at impact of collision Impact of collision portion and the linkage portion driven by the first steering diverter, the rotary impact hammer is in the first drive for turning to diverter Dynamic lower crankmotion, while impact of collision portion reciprocating longitudinal motion under the driving of linkage portion.

By adopting above-mentioned technical proposal, by the use of drilling fluid as motive power, replace worm gear of the prior art or spiral shell Structure inside bar kind of drive abbreviation, and the kinetic energy of drilling fluid is converted into the high frequency in rotary impact hammer and impact of collision portion And impact energy by a small margin, and the 3 D stereo impact energy by produced by rotary impact hammer and impact of collision mechanism is passed It is delivered on drill bit and avoids producing glutinous one phenomenon slided, while improving rate of penetration and drilling efficiency, drilling efficiency is Tong Jing, same to layer It is used alone 2-3 times of PDC drill bit.

Preferably, the rotary impact hammer seat includes the two impact chambers for symmetrically opening up, the rotary impact hammer Outer wall is provided with two impact blocks, and the impact block is placed in impact intracavity, and by rotary impact hammer in rotary impact hammer seat Rotate and the inwall in drive impact chamber, wherein ejecting mechanism is provided with the both sides inwall in impact chamber, the ejection machine Structure includes the impact pole of the scalable inwall in impact chamber, and when impact block strikes the inwall in impact chamber, the impact pole is pushed up Go out and impact block.

Crankmotion is done under the driving of drilling fluid, works as rotation by adopting above-mentioned technical proposal, rotary impact hammer The impact block that jump bit is arranged at its outer wall after turning an angle can strike the side wall in impact chamber, same to rotate punching When hammer commutation is rotated, the opposite side wall in impact block meeting impact chamber, is rushed using the impact block reciprocating percus-sion on rotary impact hammer The inwall for hitting chamber produces the impulsive force auxiliary drill bit broken rock of a high frequency, and in the inwall in impact block impact chamber, is located at The impact pole of impact intracavity can be ejected, and strike impact block, realize secondary pulse, and rotate backward while providing impact block Initial kinetic energy, when overcoming impact block to rotate backward startup damping.

Preferably, the ejecting mechanism also includes drive division, and the drive division includes scalable in impact chamber First drive block of wall and by the first drive block drive and second drive block perpendicular with the first drive block direction of motion, institute State impact pole partly to eject in the presence of the second drive block in the inwall in impact chamber, be additionally provided with the impact pole and force punching Hit the elastic component that cavity wall is impacted in post reset indentation.

The first drive block is collided by adopting above-mentioned technical proposal, impact block while impact cavity wall End makes which quickly be retracted in the inwall in impact chamber, and drives the motion of the second drive block, and impact pole is by the second drive block Drive under its end struck on impact block by quick ejection, while the elastic component on impact pole is by compressed energy-storage, when After inwall of the impact block away from impact chamber, impact pole reset indentation in the presence of elastic component is impacted in the inwall in chamber, and drives Second drive block and the first driving block reset, are that lower Secondary Shocks are prepared.

Preferably, one end of first drive block is provided with the first lozenges, and one end of the impact pole is arranged There is wedge, the two ends of second drive block are respectively arranged with the second wedge shape mutually abutted against with the first lozenges, wedge Face.

By adopting above-mentioned technical proposal, the first drive block slides through the first lozenges and the in impact cavity wall The second lozenges on two drive block one end mutually abuts against the slip for promoting the second drive block, and at the other end of the second drive block The second lozenges and impact pole on wedge mutually abut against cooperations, extrude mutually stretching for promotion impact pole using lozenges Contracting, realizes smoothly being driven.

Preferably, the impact of collision portion includes impact of collision hammer and the upper and lower ends located at impact of collision hammer Upper striker and lower striker, are formed with the first driving chamber, the lower striker between the upper striker and impact of collision hammer The second driving chamber is formed between impact of collision hammer；First low pressure liquid that is internally provided with of the first steering diverter leads to Road, is provided with the linkage portion logical with the highly pressurised liquid passage and the second low pressure liquid of the first low pressure liquid channel connection Road, when in first driving chamber and the second driving chamber is with the second low pressure liquid channel connection, described first Another in driving chamber and second driving chamber drives the axial direction of impact of collision hammer to transport with the highly pressurised liquid channel connection It is dynamic.

By adopting above-mentioned technical proposal, what cleaner for high-pressure drilling fluid was circulated is passed into the first driving chamber or the second driving intracavity, So that the first driving chamber forms high pressure chest respectively with the second driving chamber forms pressure differential with low pressure chamber, promotion is caused to be driven in first Impact of collision hammer longitudinally reciprocating motion between dynamic chamber and the second driving chamber, on shock, striker produces longitudinal direction with lower striker Dither.

Preferably, the linkage portion includes the intervalve in impact of collision hammer and in intervalve the Two turn to diverter, and the second steering diverter is connected and synchronous axial system with the first steering diverter；Open on the intervalve It is provided with the first inlet opening connected with the first driving chamber and the second inlet opening connected with the second driving chamber, first feed liquor Hole is connected with the first driving chamber, and the second inlet opening is connected with the second driving chamber, and described second turns to correspondence and first on diverter The position of inlet opening and the second inlet opening is respectively arranged with the first feed tube and the second feed tube, wherein the first inlet opening and second Inlet opening is opened up in the circumferential misalignment of intervalve.

By adopting above-mentioned technical proposal, second turns to diverter rotates in the first drive for turning to diverter, located at the Two turn to the first feed tube and the second feed tube on diverters alternately with the first inlet opening being opened on intervalve and the Two inlet openings are connected, and the first inlet opening, the second inlet opening are connected with the first driving chamber, the second driving chamber respectively so that the Realize in the rotation process of two steering diverters that first driving chamber that enters into of cleaner for high-pressure drilling fluid circulation drives intracavity with second, make Obtain the first driving chamber a pressure differential is produced with the second driving chamber.

Preferably, spacing is left between the second steering diverter and intervalve form the second described low pressure liquid Body passage, the highly pressurised liquid passage are formed inside the second steering diverter, wherein turning to diverter near first in second The one end for turning to diverter offers the 3rd inlet opening, and the 3rd inlet opening is respectively communicated with the first low pressure liquid passage and second Low pressure liquid passage.

By adopting above-mentioned technical proposal, the drilling fluid in the first low pressure liquid passage is entered using the 3rd inlet opening To the second low pressure liquid passage, the drilling fluid in the second low pressure liquid passage is caused under the second rotation for turning to diverter The first driving chamber can be entered into or the second driving intracavity is caused in the first driving chamber or the one of cavity of the second driving chamber A low pressure chamber is formed, is just high pressure chest with respect to another so that the first driving chamber forms pressure differential with the second driving chamber.

Preferably, axle bed is provided with the impact of collision hammer seat, described second turns between diverter and axle bed Cannelure is formed, some steel balls in the cannelure, are provided with.

Cause to turn to diverter drive the second steering diverter first by adopting above-mentioned technical proposal, the setting of steel ball Rolling friction is converted into during rotation, is reduced and the friction between impact of collision hammer seat is damaged, improve service life.

Preferably, the side knock mechanism also includes the upper press cover being fixed in rotary impact hammer seat and pushes Lid, the rotary impact hammer are located between upper press cover and lower cover, and one end of the first steering diverter is connected to lower cover On, the other end is stretched out through upper press cover, and the outer wall and rotary impact hammer of the upper and lower gland, first are turned between diverter Steel ball is provided with mating surface.

Jump bit and first will be turned to first and will turn to diverter shaft by adopting above-mentioned technical proposal, the setting of upper lower cover To spacing, and the setting of steel ball reduces rotary impact hammer and first turns to frictional force in the rotary course of diverter, improves rotation Turn the service life of jump bit and the first steering diverter.

Preferably, two groups of symmetrical liquid inlet and outlet passages are further opened with the rotary impact hammer seat, enter per group, Liquid outlet channel includes two feed pathways and the liquid outlet channel between two feed pathways, and the upper press cover is provided with and enters The upper hole of liquid channel connection, lower cover are provided with the lower opening connected with liquid outlet channel；Symmetrical setting in the rotary impact hammer There are two arc bumps, the arc bump is distributed in decussation with impact block, and is offered in the both sides of arc bump First leakage fluid dram, the both sides of the impact block offer the second leakage fluid dram, and described first turns on the outer wall of diverter symmetrically Two partial pressure chambers are provided with, the arc bump is placed in partial pressure intracavity and the side wall in partial pressure chamber is abutted against, each partial pressure chamber Both sides are provided with sump pit, offer two liquid inlet channels in the radial symmetric of the first steering diverter, the liquid inlet channel and the The one inside connection for turning to diverter, is symmetrically arranged with two arc apocenosis passages on the lower cover, each arc discharge opeing is led to Road circulation conducting in the first rotation process for turning to diverter with sump pit.

Enter into from the feed pathway being opened on rotary impact hammer seat and pass through by adopting above-mentioned technical proposal, drilling fluid The upper hole of upper press cover enters into the partial pressure intracavity of the first steering diverter, promotes first to turn to diverter clockwise or counter-clockwise Rotate, when the partial pressure cavity wall of the first steering diverter is abutted against with arc bump, jump bit is rotated and rotates realization rotation Turn the shock between jump bit and rotary impact hammer seat, after one-shot is completed, first turn to diverter on liquid inlet channel with The second leakage fluid dram on rotary impact hammer and connect with impact chamber, drilling fluid enters into impact block and abuts against with cavity wall is impacted Position, promote rotary impact hammer adverse movement, realize reciprocating impact.

In sum, this utility model has the advantages that：

1st, side knock mechanism and impact of collision mechanism by cleaner for high-pressure drilling fluid driving work, side knock mechanism is by rotation The shock for turning jump bit produces the cross torsion impulsive force of certain frequency, and impact of collision mechanism is produced by the shock that impact of collision is hammered into shape The longitudinal impact force of raw certain frequency, both combine and cause whole percussion mechanism stroke one kind three in drill bit rotation process is driven Dimension action impact effect, aids in drill bit broken rock, improves bit speed and efficiency；

2nd, in side knock mechanism arrange ejecting mechanism rotary impact hammer occur clash into while to rotary impact hammer Secondary impact is produced, expands impact strength, further improve the rock breaking capacity of drill bit, and by ejecting mechanism to rotary impact Hammer provides an initial kinetic energy makes which overcome damping when rotating backward.

Description of the drawings

Fig. 1 is the overall sectional view of drilling speed percussion mechanism；

Structural representations of the Fig. 2 for rotary impact hammer seat；

Structural representations of the Fig. 3 for rotary impact hammer；

Fig. 4 is the structural representation of the first steering diverter；

Fig. 5 is the schematic diagram after rotary impact hammer seat, rotary impact hammer and the first steering diverter three coordinate；

Structural representations of the Fig. 6 for ejecting mechanism；

Fig. 7 is that in impact cavity wall, in ejecting mechanism, impact pole is ejected and the shape during impact block impact block State figure；

Fig. 8 is that intervalve and second turn to state diagram of the diverter in the first cooperation position；

Fig. 9 is that intervalve and second turn to state diagram of the diverter in the second cooperation position；

Figure 10 is in schematic diagram during the first operating position for side knock mechanism；

Figure 11 is in schematic diagram during the second operating position for side knock mechanism；

Figure 12 is in schematic diagram during three operating positions for side knock mechanism；

Figure 13 is in schematic diagram during four operating positions for side knock mechanism；

Figure 14 is in schematic diagram during five operating positions for side knock mechanism.

In figure：1st, drill-bit installing seat；2nd, side knock mechanism；21st, rotary impact hammer seat；211st, feed pathway；212nd, go out Liquid passage；213rd, impact chamber；2131st, slideway；22nd, rotary impact hammer；221st, impact block；2211st, the second leakage fluid dram；2212nd, rush Hit groove；222nd, arc bump；2221st, the first leakage fluid dram；23rd, first turn to diverter；231st, partial pressure chamber；232nd, sump pit； 233rd, liquid inlet channel；234th, the first low pressure liquid passage；24th, upper press cover；25th, lower cover；251st, arc apocenosis passage；3rd, longitudinal direction rushes Hit mechanism；31st, impact of collision hammer seat；32nd, impact of collision portion；321st, upper striker；322nd, lower striker；323rd, impact of collision Hammer；324th, the first driving chamber；325th, the second driving chamber；33rd, linkage portion；331st, intervalve；3311st, the first inlet opening；3312nd, Two inlet openings；332nd, second turn to diverter；3321st, the first feed tube；3322nd, the second feed tube；3323rd, highly pressurised liquid leads to Road；3324th, the second low pressure liquid passage；3325th, the 3rd inlet opening；4th, nozzle；5th, steel ball；6th, axle bed；7th, the first drive block； 71st, the first lozenges；8th, the second drive block；81st, the second lozenges；9th, impact pole；91st, wedge；10th, elastic component.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Referring to Fig. 1, a kind of drilling speed percussion mechanism, including drill-bit installing seat 1, side knock mechanism 2 and longitudinal direction punching Mechanism 3 is hit, drill-bit installing seat 1 is fixed on one end of side knock mechanism 2, and side knock mechanism 2 is fixed in impact of collision mechanism 3 Away from one end of drill-bit installing seat 1.

Side knock mechanism 2 include rotary impact hammer seat 21, the rotary impact hammer 22 in rotary impact hammer seat 21 with And the first steering diverter 23 in rotary impact hammer 22, upper press cover is fixed with by screw in rotary impact hammer seat 21 24 are placed between upper press cover 24 and lower cover 25 with lower cover 25, rotary impact hammer 22, and by upper press cover 24 and lower cover 25 The axial displacement of rotary limited jump bit 22, the first steering diverter 23 are provided with nozzle 4 near one end of drill-bit installing seat 1, The other end stretches out upper press cover 24；At mating surface between rotary impact hammer 22 and upper and lower gland 24,25 and first turn to shunting Multiple steel balls 5 are provided with device 23 and the mating surface of upper and lower gland 24,25, are turned to reducing rotary impact hammer 22 and first Frictional force when diverter 23 is rotated between upper and lower gland 24,25.

Referring to Fig. 2 to Fig. 4, respectively illustrate rotary impact hammer seat 21, rotary impact hammer 22 and first and turn to diverter 23 structural representation, rotary impact hammer seat 21 are a cylinder, offer two fan-shaped impact chambers in its internal symmetry 213, two groups of symmetrically arranged liquid inlet and outlet passages 211,212, every group of liquid inlet and outlet are further opened between two impact chambers 213 Passage 211,212 includes two feed pathways 211 and the liquid outlet channel 212 between two feed pathways 211.

The outer wall of rotary impact hammer 22 is symmetrically arranged with two fan-shaped impact blocks 221, in the inwall of rotary impact hammer 22 Place is symmetrically arranged with two arc bumps 222, and two arc bumps 222 are just distributed in decussation with two impact blocks 221, The both sides of every piece of arc bump 222 offer the first leakage fluid dram 2221, and offer the second discharge opeing in the both sides of impact block 221 Mouth 2211, the first leakage fluid dram 2221 is connected with the inside of rotary impact hammer 22 with the second leakage fluid dram 2211.

The first low pressure liquid passage 234 of insertion is offered in the middle part of first steering diverter 23, is opened its outer wall is symmetrical Two partial pressure chambers 231 are provided with, the both sides in each partial pressure chamber 231 offer sump pit 232；In the first footpath for turning to diverter 23 Two liquid inlet channels 233 are offered on direction, the liquid inlet channel 233 is connected with the first low pressure liquid passage 234 at middle part.

Referring to Fig. 5, after rotary impact hammer seat 21, rotary impact hammer 22 and the first 23 three of steering diverter coordinate, rotation Turn impact block 221 on jump bit 22 to be placed in the impact chamber 213 of rotary impact hammer 22 21, and the sector of impact block 221 Fit in the side wall in impact chamber 213；On rotary impact hammer 22, arc bump 222 is placed in the partial pressure chamber of the first steering diverter 23 In 231, the sector of same arc bump 222 fits in the side wall in partial pressure chamber 231；Secondly rotary impact hammer seat after three coordinates Feed pathway 211 on 21 can be with the second leakage fluid dram 2211 on rotary impact hammer 22 and the partial pressure of the first steering diverter 23 Chamber 231 is mutually conducted, on rotary impact hammer seat 21 impact chamber 213 can with the first leakage fluid dram 2221 on rotary impact hammer 22 with And first steering diverter 23 on liquid inlet channel 233 be mutually conducted.

Referring to Fig. 6, ejecting mechanism is additionally provided with the inwall in impact chamber 213, the ejecting mechanism is included located at impact First drive block 7 of 213 inwall of chamber, the second drive block 8 that can be driven by the first drive block 7 and can be by 8 band of the second drive block Dynamic wedge 91, one end of wedge 91 are provided with impact pole 9, and both wedge 91 and impact pole 9 form a cascaded surfaces, Elastic component 10 is additionally provided with impact pole 9, one end of the elastic component 10 is connected on cascaded surface, and the other end is connected to slideway At 2131 inwall, the equal sliding of above-mentioned three is connected in the slideway 2131 of impact 213 inwall of chamber.

With reference to the elastic mechanism under Fig. 2, Fig. 6 and Fig. 7, normal condition, 7 end of the first drive block therein is placed in impact chamber Outside 213 inwall, impact pole 9 is placed in inwall, can promote the first driving in the inwall in 221 impact chamber 213 of impact block Block 7 puts in slideway 2131, and the lozenges that 7 one end of the first drive block is arranged in the process can extrude 8 one end of the second drive block Second lozenges 81 causes the second drive block 8 along the movement in vertical direction of the first drive block 7, and acts on wedge 91, together Squeezing action of the sample using lozenges, ejects impact pole 9 and 10 compressed energy-storage of elastic component, the impact pole 9 being ejected can be hit Hit and be opened in the punching groove 2212 of impact block 221, realize the secondary impact to impact block 221.

Fig. 1 is come back to, and impact of collision mechanism 3 includes impact of collision hammer seat 31, indulging in seat 31 hammered into shape located at impact of collision To impact portion 32 and linkage portion 33, one end of impact of collision hammer seat 31 is connected with one end of rotary impact hammer seat 21, is indulged The upper striker 321 and lower striker 322 being fixed in impact of collision hammer seat 31 is included to impact portion 32, in upper and lower punching Hit, first is formed between upper striker 321 and impact of collision hammer 323 and driven Chamber 324, forms the second driving chamber 325 between lower striker 322 and impact of collision hammer 323.

Above-mentioned linkage portion 33 includes intervalve 331 and the second steering diverter 332 in intervalve 331, in Between the two ends of pipe 331 fix with upper and lower striker 321,322 respectively, second turns to one end and the side knock machine of diverter 332 The first steering diverter 23 in structure 2 is connected, and both realize synchronous axial system, and the first feed liquor is offered on intervalve 331 Hole 3311 and the second inlet opening 3312, wherein the first inlet opening 3311 is connected with the first driving chamber 324, the second inlet opening 3312 with Second driving chamber 325 is connected, and the first inlet opening 3311 and the second inlet opening 3312 are misplaced arrangement in the circumferential；At second turn The first feed tube is offered respectively at the position that the first inlet opening 3311 and the second inlet opening 3312 are corresponded to on diverter 332 3321 and second feed tube 3322, and inwall phase of first feed tube 3321 with the second feed tube 3322 with intervalve 331 Laminating.

Second internal run-through for turning to diverter 332 forms highly pressurised liquid passage 3323, the highly pressurised liquid passage 3323 with First low pressure liquid passage 234 of the first steering diverter 23 is connected, and is turned to diverter 332 second and is turned to shunting near first One end of device 23 is provided with throttling arrangement（Not shown in figure）, high pressure liquid throttling is changed into into low pressure liquid using the throttling arrangement.

In addition leave spacing the second low pressure liquid of formation to lead between the second steering diverter 332 and the inwall of intervalve 331 Road 3324, offers the 3rd inlet opening 3325 in one end near the first steering diverter 23 of the second steering diverter 332, should 3rd inlet opening 3325 is respectively communicated with the first low pressure liquid passage 234 and the second low pressure liquid passage 3324.

An axle bed 6, the axle are additionally provided near one end of the first steering diverter 23 in the second steering diverter 332 simultaneously Seat 6 is fixed in impact of collision hammer seat 31, forms cannelure, set in cannelure between the second steering diverter 332 and axle bed 6 Multiple steel balls 5 are equipped with, frictional force when the second steering diverter 332 is rotated is which reduced.

With reference to Fig. 1 and Figure 10 to Figure 14, for the operating principle of side knock mechanism 2 is described in detail, drilling fluid from The upper hole of upper press cover 24 is entered in the feed pathway 211 of rotary impact hammer seat 21, the first row that 222 both sides of arc bump are arranged Liquid mouth 2221 is respectively communicated with feed pathway 211 and liquid outlet channel 212, and cleaner for high-pressure drilling fluid is entered in partial pressure chamber 231 and promotes the One steering diverter 23 is rotated clockwise.

Referring to Figure 11, when the arc bump 222 of rotary impact hammer 22 encounters the inwall in partial pressure chamber 231, the first steering point The second leakage fluid dram 2211 on the liquid inlet channel 233 and rotary impact hammer 22 of stream device 23 is corresponding, impacts chamber 213 and liquid inlet channel 233 Connection, second half of impact chamber 213 are connected with sump pit 232, arc apocenosis passage 251, and drilling fluid can the steering shuntings of Jing first First low pressure liquid passage 234 of device 23, liquid inlet channel 233, the second leakage fluid dram 2211 are entered in impact chamber 213, rush rotation Hammer 22 is rotated counterclockwise under the promotion of drilling fluid, and drives the first steering diverter 23 to rotate counterclockwise.

Referring to Figure 12, when stopping operating after the impact block 221 of rotary impact hammer 22 encounters the inwall in impact chamber 213, enter Liquid passage 211 connects feed liquor by the first leakage fluid dram 2221 with partial pressure chamber 231, and the another part in partial pressure chamber 231 with go out liquid Passage 212 connects discharge opeing, and the first steering diverter 23 is rotated counterclockwise.

Referring to Figure 13, when the arc bump 222 of rotary impact hammer 22 encounters 231 inwall of partial pressure chamber, first turns to shunting The second leakage fluid dram 2211 on the liquid inlet channel 233 and rotary impact hammer 22 of device 23 is corresponding, now impacts chamber 213 and liquid inlet channel 233 connections, the another part for impacting chamber 213 connect discharge opeing with sump pit 232, arc apocenosis passage 251, promote rotary impact hammer 22 rotate clockwise, and drive the first steering diverter 23 to rotate clockwise.

Referring finally to Figure 14, when stopping operating after the inwall in the 221 impact chamber 213 of impact block of rotary impact hammer 22. And so on action, produces the lateral impact forces of certain frequency, and impact block 221 leads in the inwall in impact chamber 213 Cross ejecting mechanism and realize secondary impact, expand impact strength.

With reference to Fig. 1 and Fig. 8, Fig. 9, for the operating principle of impact of collision mechanism 3 is described in detail, highly pressurised liquid is passed through The throttling partial pressure of throttling arrangement is changed into low pressure liquid, and is entered by the 3rd inlet opening 3325 on the second steering diverter 332 To in the second low pressure liquid passage 3324.Second turns to diverter 332 rotates under the first drive for turning to diverter 23, so as to By the second cooperation for turning to diverter 332 and intervalve 331, in the first driving chamber 324 and the second driving chamber 325 is made Another and highly pressurised liquid when connecting with the second low pressure liquid passage 3324, in the first driving chamber 324 and the second driving chamber 325 Passage 3323 is connected.

When the second steering diverter 332 turns an angle, the second inlet opening 3312 is connected with the second feed tube 3322, So that highly pressurised liquid passage 3323 is connected with the second driving chamber 325, cleaner for high-pressure drilling fluid is through highly pressurised liquid passage 3323, second Inlet opening 3312 and the second feed tube 3322 are entered in the second driving chamber 325.Now, it is high pressure liquid in the second driving chamber 325 Body, is low pressure liquid in the first driving chamber 324, therefore, it can promote impact of collision hammer 323 to away from drill-bit installing seat 1 Lateral movement.

When the second steering diverter 332 is rotated further by certain angle, the first inlet opening 3311 is connected with the first feed tube 3321 It is logical so that highly pressurised liquid passage 3323 is connected with the first driving chamber 324, highly pressurised liquid through highly pressurised liquid passage 3323, the One inlet opening 3311 and the first feed tube 3321 are entered in the first driving chamber 324.Now, it is high pressure in the first driving chamber 324 Liquid, is low pressure liquid in the second driving chamber 325, therefore, it can impact of collision hammer 323 near the side of drill-bit installing seat 1 Motion.And so on action, produces the longitudinal impact force of certain frequency.

By cross torsion impulsive force and axial impact force that certain frequency is produced to drill bit, a kind of three-dimensional motion punching is formed The effect hit, such that it is able to aid in drill bit broken rock, improves drill bit rock breaking capacity, improves in, the bit speed of hard formation and brill Well efficiency, while can solve the problem that viscous, sliding, the bit freezing problem of PDC drill bits, slows down the torsion shake of down-hole equipment, extends drill bit and use Life-span, by the test in practical work process to above-mentioned drilling well percussion mechanism, using the brill of the drilling well percussion mechanism Well efficiency is Tong Jing, 2-3 times of PDC drill bits is used alone with layer, and drilling efficiency is obviously improved.

This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of drilling speed percussion mechanism, it is characterised in that including impact of collision mechanism setting up and down（3）With side knock Mechanism（2）, the side knock mechanism（2）Including rotary impact hammer seat（21）, be rotationally connected with rotary impact hammer seat（21）It is interior Rotary impact hammer（22）And it is located at rotary impact hammer（22）The first interior steering diverter（23）；The impact of collision mechanism （3）Seat is hammered into shape including impact of collision（31）, located at impact of collision hammer into shape seat（31）Interior impact of collision portion（32）And turned to by first Diverter（23）The linkage portion of drive（33）, the rotary impact hammer（22）Diverter is turned to first（23）Driving under it is reciprocal Rotary motion, while the impact of collision portion（32）In linkage portion（33）Driving under reciprocating longitudinal motion.

2. drilling speed percussion mechanism according to claim 1, it is characterised in that the rotary impact hammer seat（21）Including The two impact chambers for symmetrically opening up（213）, the rotary impact hammer（22）Outer wall be provided with two impact blocks（221）, it is described Impact block（221）It is placed in impact chamber（213）It is interior, and by rotary impact hammer（22）In rotary impact hammer seat（21）Interior rotation and band Dynamic impact chamber（213）Inwall, wherein in impact chamber（213）Both sides inwall at be provided with ejecting mechanism, the ejection Mechanism includes scalable in impact chamber（213）Inwall impact pole（9）, work as impact block（221）Strike impact chamber（213）'s Impact pole during inwall（9）It is ejected and impact block（221）.

3. drilling speed percussion mechanism according to claim 2, it is characterised in that the ejecting mechanism also includes driving Portion, the drive division include scalable in impact chamber（213）Inwall the first drive block（7）And by the first drive block（7） Drive and with the first drive block（7）The second perpendicular drive block of the direction of motion（8）, the impact pole（9）In the second drive block （8）In the presence of partly eject in impact chamber（213）Inwall, the impact pole（9）On be additionally provided with and force impact pole（9）It is multiple Position indentation impact chamber（213）The elastic component of inwall（10）.

4. drilling speed percussion mechanism according to claim 3, it is characterised in that first drive block（7）One end It is provided with the first lozenges（71）, the impact pole（9）One end be provided with wedge（91）, second drive block（8）'s Two ends are respectively arranged with and the first lozenges（71）, wedge（91）The second lozenges for mutually abutting against（81）.

5. the drilling speed percussion mechanism according to any one of claim 1-4, it is characterised in that the impact of collision portion （32）Hammer into shape including impact of collision（323）And hammer into shape located at impact of collision（323）Upper and lower ends upper striker（321）With undershoot Hit seat（322）, the upper striker（321）Hammer into shape with impact of collision（323）Between be formed with the first driving chamber（324）, it is described under Striker（322）Hammer into shape with impact of collision（323）Between be formed with the second driving chamber（325）；Described first turns to diverter（23） Be internally provided with the first low pressure liquid passage（234）, the linkage portion（33）Inside it is provided with logical with first low pressure liquid Road（234）The highly pressurised liquid passage of connection（3323）And the second low pressure liquid passage（3324）, when first driving chamber（324） With the second driving chamber（325）In one with the second low pressure liquid passage（3324）During connection, first driving chamber （324）With second driving chamber（325）In another and the highly pressurised liquid passage（3323）Connection drives impact of collision Hammer（323）Axially-movable.

6. drilling speed percussion mechanism according to claim 5, it is characterised in that the linkage portion（33）Including located at vertical To jump bit（323）Interior intervalve（331）And it is located at intervalve（331）The second interior steering diverter（332）, described Two turn to diverter（332）Diverter is turned to first（23）Connection and synchronous axial system；The intervalve（331）On offer with First driving chamber（324）First inlet opening of connection（3311）And with the second driving chamber（325）Second inlet opening of connection （3312）, first inlet opening（3311）With the first driving chamber（324）Connection, the second inlet opening（3312）With the second driving chamber （325）Connection, described second turns to diverter（332）Upper correspondence and the first inlet opening（3311）With the second inlet opening（3312）'s Position is respectively arranged with the first feed tube（3321）With the second feed tube（3322）, wherein the first inlet opening（3311）Enter with second Fluid apertures（3312）In intervalve（331）Circumferential misalignment open up.

7. drilling speed percussion mechanism according to claim 6, it is characterised in that described second turns to diverter（332） With intervalve（331）Between leave spacing and form the second described low pressure liquid passage（3324）, the highly pressurised liquid passage （3323）It is formed at the second steering diverter（332）Inside, wherein turning to diverter in second（332）Shunting is turned near first Device（23）One end offer the 3rd inlet opening（3325）, the 3rd inlet opening（3325）It is respectively communicated with the first low pressure liquid to lead to Road（234）With the second low pressure liquid passage（3324）.

8. the drilling speed percussion mechanism according to claim 6 or 7, it is characterised in that seat is hammered in the impact of collision into shape（31） Axle bed is provided with inside（6）, described second turns to diverter（332）With axle bed（6）Between form cannelure, set in the cannelure It is equipped with some steel balls（5）.

9. drilling speed percussion mechanism according to claim 2, it is characterised in that the side knock mechanism（2）Also wrap Include and be fixed on rotary impact hammer seat（21）Interior upper press cover（24）With lower cover（25）, the rotary impact hammer（22）Located at upper pressure Lid（24）With lower cover（25）Between, described first turns to diverter（23）One end be connected to lower cover（25）On, the other end Through upper press cover（24）Stretch out, the upper and lower gland（24、25）Outer wall and rotary impact hammer（22）, first turn to diverter （23）Between mating surface at be provided with steel ball（5）.

10. drilling speed percussion mechanism according to claim 9, it is characterised in that the rotary impact hammer seat（21）On It is further opened with two groups of symmetrical liquid inlet and outlet passages（211、212）, every group of liquid inlet and outlet passage（211、212）Enter including two Liquid passage（211）With positioned at two feed pathways（211）Between liquid outlet channel（212）, the upper press cover（24）It is provided with and enters Liquid passage（211）The upper hole of connection, lower cover（25）It is provided with and liquid outlet channel（212）The lower opening of connection；The rotary impact Hammer（22）Two arc bumps are symmetrically arranged with inside（222）, the arc bump（222）With impact block（221）Hand in cross Fork distribution, and in arc bump（222）Both sides offer the first leakage fluid dram（2221）, the impact block（221）Both sides Second leakage fluid dram is offered（2211）, described first turns to diverter（23）Outer wall on be symmetrically arranged with two partial pressure chambers （231）, the arc bump（222）It is placed in partial pressure chamber（231）It is interior and in partial pressure chamber（231）Side wall abut against, each partial pressure Chamber（231）Both sides be provided with sump pit（232）, diverter is turned in first（23）Radial symmetric offer two feed liquors Road（233）, the liquid inlet channel（233）Diverter is turned to first（23）Inside connection, the lower cover（25）On symmetrically set It is equipped with two arc apocenosis passages（251）, each arc apocenosis passage（251）With sump pit（232）Diverter is turned to first （23）Rotation process in circulation conducting.