CN207348790U - A kind of Hydraulic Impact Mechanism - Google Patents

A kind of Hydraulic Impact Mechanism Download PDF

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Publication number
CN207348790U
CN207348790U CN201721158763.4U CN201721158763U CN207348790U CN 207348790 U CN207348790 U CN 207348790U CN 201721158763 U CN201721158763 U CN 201721158763U CN 207348790 U CN207348790 U CN 207348790U
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CN
China
Prior art keywords
hammer
shell
wheel shaft
hydraulic impact
contact
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721158763.4U
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Chinese (zh)
Inventor
华勇
钱利勤
黄剑
李旭
刘先明
夏成宇
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Yangtze University
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Yangtze University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangtze University filed Critical Yangtze University
Priority to CN201721158763.4U priority Critical patent/CN207348790U/en
Application granted granted Critical
Publication of CN207348790U publication Critical patent/CN207348790U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of Hydraulic Impact Mechanism is the utility model is related to, belongs to oil, natural gas extraction drilling tool technical field.It is made of shell body, top connection, lower contact, turbine wheel shaft, upper hammer and lower hammer;Turbine wheel shaft is housed in shell body;One end of turbine wheel shaft is equipped with positioning sleeve, and the other end screw thread of turbine wheel shaft is provided with rotary valve;Lower hammer is housed in shell body on the inside of lower contact, upper hammer is slidably fitted with the shell body between lower hammer and rotary valve, upper hammer is connected with lower hammer Intermittent Contact.The Hydraulic Impact Mechanism, so as to produce pressure pulse and promote upper hammer to collide lower hammer, produces axial impact by making area of passage periodically-varied.High frequency axial impact is achieved in, so as to improve bit speed, reduces drilling cost, it is slow to solve the existing rate of penetration when being drilled into deep hardpan, the problem of drilling period is elongated, and drilling cost is high, has positive meaning to improving drilling efficiency, reducing drilling cost.

Description

A kind of Hydraulic Impact Mechanism
Technical field
A kind of Hydraulic Impact Mechanism is the utility model is related to, belongs to oil, natural gas extraction drilling tool technical field.
Background technology
At present, continually developing with petroleum resources, the exploration and development of petroleum resources develop towards deeper harder stratum. With being continuously increased for well depth, increasing along the hydraulic loss of journey, rock stratum is also increasingly harder, causes bit speed to decline, so that Drilling period is elongated, and drilling cost increases.Therefore, well drilling and rock crushing efficiency how is improved, bit speed is improved, so as to reduce drilling well Cost, is the problem of current drilling well industry is in the urgent need to address.The content of the invention
The purpose of this utility model is that:There is provided a kind of makes drill bit in the same of rotary work in drilling process using waterpower When produce axial vibration impact, with improve efficiency of breaking rock, shorten drilling period, and then reduce drilling cost;Solve existing boring To the Hydraulic Impact Mechanism of rate of penetration slow problem during the hardpan of deep.
The technical solution of the utility model is:
A kind of Hydraulic Impact Mechanism, it is made of shell body, top connection, lower contact, turbine wheel shaft, upper hammer and lower hammer, its It is characterized in that:The threaded one end of shell body is provided with top connection, and the other end screw thread of shell body is provided with lower contact;In top connection Turbine wheel shaft is provided with by turbine stator and turbine rotor in the shell body of side;The threaded one end of turbine wheel shaft is provided with positioning sleeve, The other end screw thread of turbine wheel shaft is provided with rotary valve;Lower hammer is housed in shell body on the inside of lower contact, between lower hammer and rotary valve Shell body in be slidably fitted with upper hammer, upper hammer is connected with lower hammer Intermittent Contact.
Multiple flowing holes are evenly equipped with the rotary valve.
Liquid flow hole corresponding with overcurrent hole number is respectively arranged with the upper hammer and lower hammer.
Feather key is evenly equipped with the upper hammer circumference, keyway, upper hammer are provided with shell body inner wall corresponding with feather key It is slidably connected between body and shell body by the cooperation of feather key and keyway.
Upper hammer termination corresponding with rotary valve is equipped with stop collar.
Shoulder is provided with the shell body, resetting spring is set with the upper hammer of shoulder side.
The lower hammer is threadedly coupled with lower contact.
Baffle ring is provided between the lower hammer and lower contact.
Sealing ring is provided between the lower hammer and baffle ring.
Upper alignment bearing is housed, turbine stator and turbine turn on the turbine stator and the turbine wheel shaft of turbine rotor one end Lower alignment bearing is housed on the turbine wheel shaft of the sub- other end.
The beneficial effects of the utility model are:
In the Hydraulic Impact Mechanism course of work, drilling fluid driving turbine drives turbine wheel shaft to rotate, on turbine wheel shaft valve disc with it is upper The liquid flow hole of hammer body, which forms to move, determines valve, with the rotation of turbine wheel shaft, makes area of passage periodically-varied, so as to produce pressure pulse And upper hammer downlink is promoted, the shock surface of upper hammer and lower hammer mutually collides, and produces axial impact.High frequency is achieved in axially to rush Hit, so as to improve bit speed, reduce drilling cost, solve the existing rate of penetration when being drilled into deep hardpan Slowly, the problem of drilling period is elongated, and drilling cost is high, the Hydraulic Impact Mechanism is simple in structure, novel in design, to improving drilling well effect Rate, reduction drilling cost have positive meaning.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the cross section structure schematic diagram of the rotary valve of the utility model.
In figure:1st, shell body, 2, top connection, 3, lower contact, 4, turbine wheel shaft, 5, upper hammer, 6, lower hammer, 7, positioning sleeve, 8th, upper alignment bearing, 9, lower alignment bearing, 10, rotary valve, 11, flowing hole, 12, baffle ring, 13, resetting spring, 14, stop collar, 15, Liquid flow hole.
Embodiment
The Hydraulic Impact Mechanism is made of shell body 1, top connection 2, lower contact 3, turbine wheel shaft 4, upper hammer 5 and lower hammer 6.Outside The threaded one end of housing 1 is provided with top connection 2, and the other end screw thread of shell body 1 is provided with lower contact 3;Outside the inner side of top connection 2 Turbine wheel shaft 4 is provided with by turbine stator and turbine rotor in housing 1;On turbine stator and the turbine wheel shaft of turbine rotor one end 4 Equipped with upper alignment bearing 8, lower alignment bearing 9 is housed, to ensure turbine on the turbine wheel shaft 4 of turbine stator and the turbine rotor other end Axis 4 is placed in the middle.
The threaded one end of turbine wheel shaft 4 is provided with positioning sleeve 7, and positioning sleeve 7 to turbine wheel shaft 4 to play the role of axially position.Whirlpool The threaded one end of wheel shaft 4 is provided with rotary valve 10;Multiple flowing holes 11 are evenly equipped with the valve disc of rotary valve 10.
1 internal thread of shell body of the inner side of lower contact 3 is provided with lower hammer 6;Gear is provided between lower hammer 6 and lower contact 3 Ring 12;Sealing ring is provided between lower hammer 6 and baffle ring 12;For sealing.
Upper hammer 5 is provided with shell body 1 between lower hammer 6 and rotary valve 10, feather key is evenly equipped with 5 circumference of upper hammer, Keyway is provided with 1 inner wall of shell body corresponding with feather key, passes through the cooperation of feather key and keyway between upper hammer 5 and shell body 1 It is slidably connected;Upper hammer 5 is connected with 6 Intermittent Contact of lower hammer;Shoulder is provided with shell body 1, on the upper hammer 5 of shoulder side It is set with resetting spring 13.Upper hammer 5, by spline fitted, makes upper hammer 5 move up and down vertically, again at once with shell body 1 It can prevent upper hammer 5 from producing relative rotation with shell body 1;During work after impact process, the spring 13 on shell body 1 can push away Dynamic upper hammer 5 resets.Upper hammer 5 is equipped with stop collar 14 with 10 corresponding termination of rotary valve, and stop collar 14 has resetted limit to upper hammer 5 Position effect, bumps against when preventing upper hammer 5 from springing back with rotary valve 10.
Liquid flow hole corresponding with 11 quantity of flowing hole is respectively arranged with the upper hammer 5 and lower hammer 6 of the Hydraulic Impact Mechanism 15.During work, drilling fluid drives turbine wheel shaft 4 to rotate by turbine stator and turbine rotor, so that drive rotary valve 10 to rotate, this During, when the liquid flow hole 15 on the flowing hole 11 on rotary valve 10 and upper hammer 5, which is formed, to misplace, the brill that is projected by flowing hole 11 Well liquid forms impacting with high pressure to upper hammer 5, so as to force 5 downlink of upper hammer and hit lower hammer 6, produces axial impact force, should Impact force is transferred to drill bit by lower contact 3;So as to improve drill bit efficiency of breaking rock.
During 5 downlink of upper hammer hits lower hammer 6, upper hammer 5 while compression reseting spring 13, when on rotary valve 10 Flowing hole 11 when forming overlapping identical with the liquid flow hole 15 on upper hammer 5, the impacting with high pressure power that drilling fluid forms upper hammer 5 Disappearing, 5 uplink of upper hammer resets under the action of resetting spring 13, so repeatedly, can make area of passage periodically-varied, so that Realize high frequency axial impact, and then improve bit speed, reduce drilling cost, solve existing with being drilled into deep hard Rate of penetration is slow during layer, so that the problem of drilling period is elongated, and drilling cost increases, the Hydraulic Impact Mechanism is simple in structure, if Meter is novel, has positive meaning to improving drilling efficiency, reducing drilling cost.

Claims (10)

1. a kind of Hydraulic Impact Mechanism, it is by shell body(1), top connection(2), lower contact(3), turbine wheel shaft(4), upper hammer(5)With Lower hammer(6)Form, it is characterised in that:Shell body(1)Threaded one end top connection is installed(2), shell body(1)The other end Screw thread is provided with lower contact(3);Top connection(2)The shell body of inner side(1)It is interior that whirlpool is provided with by turbine stator and turbine rotor Wheel shaft(4);Turbine wheel shaft(4)Threaded one end positioning sleeve is installed(7), turbine wheel shaft(4)The other end screw thread rotary valve is installed (10);Lower contact(3)The shell body of inner side(1)It is interior that lower hammer is housed(6), lower hammer(6)With rotary valve(10)Between shell body (1)Inside it is slidably fitted with upper hammer(5), upper hammer(5)With lower hammer(6)Intermittent Contact connects.
A kind of 2. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The rotary valve(10)On be evenly equipped with it is multiple Flowing hole(11).
A kind of 3. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The upper hammer(5)And lower hammer(6) On be respectively arranged with and flowing hole(11)The corresponding liquid flow hole of quantity(15).
A kind of 4. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The upper hammer(5)It is uniformly distributed on circumference There is feather key, shell body corresponding with feather key(1)Keyway, upper hammer are provided with inner wall(5)With shell body(1)Between pass through feather key Cooperation with keyway is slidably connected.
A kind of 5. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The upper hammer(5)With rotary valve(10) Corresponding termination is equipped with stop collar(14).
A kind of 6. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The shell body(1)Inside it is provided with platform Shoulder, the upper hammer of shoulder side(5)On be set with resetting spring(13).
A kind of 7. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The lower hammer(6)With lower contact(3) It is threadedly coupled.
A kind of 8. Hydraulic Impact Mechanism according to claim 7, it is characterised in that:The lower hammer(6)With lower contact(3) Between be provided with baffle ring(12).
A kind of 9. Hydraulic Impact Mechanism according to claim 8, it is characterised in that:The lower hammer(6)With baffle ring(12) Between be provided with sealing ring.
A kind of 10. Hydraulic Impact Mechanism according to claim 1, it is characterised in that:The turbine stator and turbine rotor The turbine wheel shaft of one end(4)It is upper that upper alignment bearing is housed(8), the turbine wheel shaft of turbine stator and the turbine rotor other end(4)On be equipped with Lower alignment bearing(9).
CN201721158763.4U 2017-09-11 2017-09-11 A kind of Hydraulic Impact Mechanism Expired - Fee Related CN207348790U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721158763.4U CN207348790U (en) 2017-09-11 2017-09-11 A kind of Hydraulic Impact Mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721158763.4U CN207348790U (en) 2017-09-11 2017-09-11 A kind of Hydraulic Impact Mechanism

Publications (1)

Publication Number Publication Date
CN207348790U true CN207348790U (en) 2018-05-11

Family

ID=62410893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721158763.4U Expired - Fee Related CN207348790U (en) 2017-09-11 2017-09-11 A kind of Hydraulic Impact Mechanism

Country Status (1)

Country Link
CN (1) CN207348790U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180511

Termination date: 20200911