CN108692903A - For micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse - Google Patents
For micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse Download PDFInfo
- Publication number
- CN108692903A CN108692903A CN201810469391.XA CN201810469391A CN108692903A CN 108692903 A CN108692903 A CN 108692903A CN 201810469391 A CN201810469391 A CN 201810469391A CN 108692903 A CN108692903 A CN 108692903A
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- China
- Prior art keywords
- micro
- hit
- pipe nipple
- drill bit
- support plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to geological drilling field more particularly to a kind of experimental provisions applying torsional pulse to micro- PDC drill bit for micro- brill experiment.The present invention is mainly made of support plate, the pipe nipple that is hit, electromagnetic adjustable speed motor, beater wheel, supporting rack, wherein, the pipe nipple that is hit is mounted on the side of support plate, the lower end of electromagnetic adjustable speed motor passes through the square hole of support plate to be connect with beater wheel, supporting rack is mounted on the other side of support plate, be hit pipe nipple with beater wheel is engaged contacts.Speed and position of the present invention by adjusting electromagnetic adjustable speed motor, change impact pipe nipple and the be hit frequency of impact of pipe nipple and the size of impact force, and then provide different frequency of impacts and the micro- brill experiment of impact force progress to micro drill, the influence of drilling parameter and drill bit geometric parameter to drilling speed and drill tool life can be studied, to carry out the optimization of drilling tool running parameter and drill bit structure.
Description
Technical field
It is specially a kind of to apply torsional pulse to micro- PDC drill bit for the experiment of micro- brill the present invention relates to geological drilling field
Experimental provision.
Background technology
It is apparent in the ground consisting of hard rock drilling effect of homogeneous after the mating torsion impact device of PDC drill bit in geological drilling field,
The benefit of acquirement is far above other drilling modes.The research of the PDC drill bit of torsion impact device and mating torsion impact device at present is also
Include size, the impact frequency of impact force there are many technical issues that need to address, such as optimum working parameter of torsion impact device
The determination of rate, the geometry of the PDC drill bit of mating torsion impact device, the determination etc. of material, these are required for by carrying out one
Serial laboratory experiment is reinforced studying.And to tend not to access micro- brill experiment flat for torsional pulse device in existing laboratory experiment
Platform does not acquire corresponding experimental data.
Invention content
Deficiency in for the above-mentioned prior art, the present invention provides one kind to apply for the experiment of micro- brill to micro- PDC drill bit
The experimental provision of torsional pulse applies a kind of circumferential high-frequency torsional pulse power when micro- brill is tested to micro- PDC drill bit.
Used technical solution is the present invention in order to solve the above problem:
The present invention is mainly made of support plate, the pipe nipple that is hit, electromagnetic adjustable speed motor, beater wheel, supporting rack, wherein institute
The pipe nipple that is hit stated is mounted on the side of support plate, the lower end of the electromagnetic adjustable speed motor pass through the square hole of support plate with
Beater wheel connects, and the supporting rack is mounted on the other side of support plate, and the pipe nipple that is hit is engaged with beater wheel
Contact.
Further, the top of the pipe nipple that is hit is packed into spring bearing, and spring bearing is shelved on the pipe nipple that is hit
On the boss on top;The support plate is inserted in the top for the pipe nipple that is hit by its left end circular hole, is shelved on spring bearing.
Further, the pipe nipple upper and lower ends that are hit have female thread, upper end female thread to can access micro- brill for boring platform
In column, lower end female thread can couple with micro drill;There is cooling passage inside the pipe nipple that is hit.
Further, the electromagnetic adjustable speed motor can be moved left and right along square hole;The electromagnetic adjustable speed motor can
To be fixed on the supporting plate by fixing bolt and handle nut.
Further, all it is carved with the depth that can be mutually twisted on the electromagnetic adjustable speed motor and two contact surfaces of support plate
The tooth form line of about 2mm.
Further, the upper end round bar of the supporting rack passes through the right end circular hole of support plate;Under the supporting rack
End is fixed on cement flooring.
Further, there are three similarly processed by high-strength impact-resistant material for described be hit pipe nipple and beater wheel
Made of round-arced tooth.
The beneficial effects of the invention are as follows:By adjust electromagnetic adjustable speed motor speed and position, change impact pipe nipple with by
Impact the size of the frequency of impact and impact force of pipe nipple, so to micro drill provide different frequency of impacts and impact force carry out it is micro-
Experiment is bored, the influence of drilling parameter and drill bit geometric parameter to drilling speed and drill tool life can be studied, to carry out drilling tool work
The optimization of parameter and drill bit structure.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the Section A-A figure of Fig. 1;
Fig. 3 is the section B-B figure of Fig. 1;
Fig. 4 is the enlarged diagram of C in Fig. 1.
Wherein:1- support plates;2- is hit pipe nipple;3- electromagnetic adjustable speed motors;4- fixing bolts;5- spring bearings;6- is rushed
Striking wheel;7- supporting racks;8- handle nuts;9- closed couplings;10- left end circular holes;11- square holes;12- right end circular holes;13- teeth
Shape line;14- boss;The upper ends 15- female thread;The lower ends 16- female thread;17- round-arced tooths;18- cooling passages.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 4, the present invention is mainly by support plate 1, the pipe nipple 2 that is hit, electromagnetic adjustable speed motor 3, beater wheel 6, branch
Support 7 forms.
The be hit top of pipe nipple 2 is packed into spring bearing 5, and spring bearing 5 is shelved on the boss 14 on 2 top of pipe nipple that is hit
On;Support plate 1 is inserted in the top for the pipe nipple 2 that is hit by its left end circular hole 10, is shelved on spring bearing 5;Be hit pipe nipple 2
Upper and lower ends have female thread, upper end female thread 15 to can access in micro- drill string for boring platform, and lower end female thread 16 can couple with drill bit;It is rushed
Hitting inside pipe nipple 2 has cooling passage 18, and the drilling well coolant liquid in drill string is allowed to pass through.
The lower end of electromagnetic adjustable speed motor 3 passes through the square hole 11 in support plate 1, is connected by closed coupling 9 with beater wheel 6
It connects;Electromagnetic adjustable speed motor 3 can be moved left and right along square hole 11, after determining 3 position of electromagnetic adjustable speed motor, using fixing bolt 4
Electromagnetic adjustable speed motor 3 is fixed in support plate 1 with handle nut 8;Two contact surfaces of electromagnetic adjustable speed motor 3 and support plate 1
On be all carved with the tooth form line 13 of the depth about 2mm that can be mutually twisted.
The upper end round bar of supporting rack 7 passes through the right end circular hole 12 of support plate 1;The upper end round bar of supporting rack 7 has high intensity,
The opposing torque of wheel 6 can be absorbed impact;The lower end of supporting rack 7 is fixed on cement flooring.
As shown in figure 3, be hit pipe nipple 2 and beater wheel 6 there are three similarly being processed by high-strength impact-resistant material and
At round-arced tooth 17;Be hit pipe nipple 2 with beater wheel 6 is engaged contacts.
The pipe nipple 2 that is hit is rotated clockwise with drill string, and beater wheel 6 drives rotation counterclockwise by electromagnetic adjustable speed motor 3.It adjusts
The position of electromagnetic adjustable speed motor 3, change are hit engaged overlapped the length of pipe nipple 2 and beater wheel 6, to change beater wheel
6 impact moment size, different impact forces is provided for micro drill;Adjust the rotary speed of electromagnetic adjustable speed motor 3, control impact
The collision frequency of wheel 6 and the pipe nipple 2 that is hit, to provide the impact force of different frequency.Drilling speed and bit pressure of micro drill drilling etc.
Parameter can show that micro drill abrasion condition can be obtained by scene weighing, the abrasion of micro drill by micro- brill test platform
Position situation can be obtained by observation, according to the above-mentioned true optimization for carrying out drill structure parameter, drill bit drilling parameter it is excellent
Choosing.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (7)
1. a kind of for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, which is characterized in that it is mainly by propping up
Fagging (1), the pipe nipple that is hit (2), electromagnetic adjustable speed motor (3), beater wheel (6), supporting rack (7) composition, wherein described to be rushed
The side that pipe nipple (2) is mounted on support plate (1) is hit, the lower end of the electromagnetic adjustable speed motor (3) passes through the rectangular of support plate (1)
Hole (11) is connect with beater wheel (6), and the supporting rack (7) is mounted on the other side of support plate (1), the pipe nipple that is hit
(2) with beater wheel (6) engaged contact.
2. according to claim 1 for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, feature
It is:The top of the pipe nipple that is hit (2) is packed into spring bearing (5), and spring bearing (5) is shelved on the pipe nipple that is hit (2)
On the boss (14) on top;The support plate (1) is inserted in the top of the pipe nipple that is hit (2) by its left end circular hole (10), puts
It sets on spring bearing (5).
3. according to claim 2 for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, feature
It is:Described pipe nipple that is hit (2) upper and lower ends have female thread, upper end female thread (15) to can access in micro- drill string for boring platform,
Lower end female thread (16) can couple with micro drill;There is cooling passage (18) inside the pipe nipple that is hit (2).
4. according to claim 1 for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, feature
It is:The electromagnetic adjustable speed motor (3) can be moved left and right along square hole (11);
The electromagnetic adjustable speed motor (3) can be fixed on by fixing bolt (4) and handle nut (8) in support plate (1).
5. according to claim 4 for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, feature
It is:The depth about 2mm that can be mutually twisted all is carved on two contact surfaces of the electromagnetic adjustable speed motor (3) and support plate (1)
Tooth form line (13).
6. according to claim 1 for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, feature
It is:The upper end round bar of the supporting rack (7) passes through the right end circular hole (12) of support plate (1);Under the supporting rack (7)
End is fixed on cement flooring.
7. according to claim 1 for micro- experimental provision for boring experiment to micro- PDC drill bit application torsional pulse, feature
It is:It is similarly process by high-strength impact-resistant material there are three the pipe nipple that is hit (2) and beater wheel (6) is equal
Round-arced tooth (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469391.XA CN108692903B (en) | 2018-05-16 | 2018-05-16 | Experimental device for applying torsional impact to micro PDC drill bit in micro-drilling experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469391.XA CN108692903B (en) | 2018-05-16 | 2018-05-16 | Experimental device for applying torsional impact to micro PDC drill bit in micro-drilling experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692903A true CN108692903A (en) | 2018-10-23 |
| CN108692903B CN108692903B (en) | 2020-10-02 |
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ID=63846386
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810469391.XA Active CN108692903B (en) | 2018-05-16 | 2018-05-16 | Experimental device for applying torsional impact to micro PDC drill bit in micro-drilling experiment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140202773A1 (en) * | 2011-08-26 | 2014-07-24 | Liang Zhang | Roller bit for rock breaking by rotary cutting |
| CN105822229A (en) * | 2016-05-16 | 2016-08-03 | 廊坊市鼎鑫联拓工贸有限公司 | PDC bit with torsion impact function |
| CN106121513A (en) * | 2016-07-05 | 2016-11-16 | 西南石油大学 | A kind of composite impact drilling tool |
| CN106150347A (en) * | 2015-04-09 | 2016-11-23 | 中国石油化工股份有限公司 | Reverse impactor |
| CN205719739U (en) * | 2016-06-05 | 2016-11-23 | 吉林大学 | A kind of micro-drilling rack device |
| CN106639864A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Vibrating impacting short piece |
-
2018
- 2018-05-16 CN CN201810469391.XA patent/CN108692903B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140202773A1 (en) * | 2011-08-26 | 2014-07-24 | Liang Zhang | Roller bit for rock breaking by rotary cutting |
| CN106150347A (en) * | 2015-04-09 | 2016-11-23 | 中国石油化工股份有限公司 | Reverse impactor |
| CN106639864A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Vibrating impacting short piece |
| CN105822229A (en) * | 2016-05-16 | 2016-08-03 | 廊坊市鼎鑫联拓工贸有限公司 | PDC bit with torsion impact function |
| CN205719739U (en) * | 2016-06-05 | 2016-11-23 | 吉林大学 | A kind of micro-drilling rack device |
| CN106121513A (en) * | 2016-07-05 | 2016-11-16 | 西南石油大学 | A kind of composite impact drilling tool |
Non-Patent Citations (1)
| Title |
|---|
| 王永照: "微钻实验台设计与应用", 《山东工业技术》 * |
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| Publication number | Publication date |
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| CN108692903B (en) | 2020-10-02 |
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