CN105019824B - A kind of mechanical drilling impactor - Google Patents
A kind of mechanical drilling impactor Download PDFInfo
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- CN105019824B CN105019824B CN201510372685.7A CN201510372685A CN105019824B CN 105019824 B CN105019824 B CN 105019824B CN 201510372685 A CN201510372685 A CN 201510372685A CN 105019824 B CN105019824 B CN 105019824B
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- drilling rod
- drilling
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Abstract
The invention provides a kind of mechanical drilling impactor, at least include drilling rod and tool joint, the top of described drilling rod is set with impact unit, and the bottom of drilling rod is provided with gear unit, and described gear unit includes outer six square joints, interior six square joint, crossover sub and O-ring seal;Described impact unit includes block stamp, bearing and shifting block, when shifting block rotates the monocline face indentation, there to block stamp, block stamp falls under gravity, and internal six square joint and crossover sub are impacted, shifting block continues rotation, when monocline face breach is gradually produced by block stamp jack-up.Impactor provided by the present invention provides power by the revolution of drilling rod, with simple structure, easy-operating advantage, the factors such as the impactor and the flow of flushing liquor, sand content are unrelated, without consumable accessorys such as springs, ballistic work is adjustable, is applicable to deep hole high temperature and high pressure environment, is remarkably improved drilling efficiency and drilling quality, drilling cost and construction period are reduced, application prospect is extensive.
Description
Technical field
The invention belongs to drilling field, and in particular to a kind of mechanical drilling impactor.Can be widely applied to geology, stone
The drilling field of the departments such as oil, water power, coal, metallurgy.
Background technology
Rotary-percussive drilling is the effective technology means for improving drilling efficiency, realizes that the critical component of rotary-percussive drilling is
Impactor.At present, impactor the most frequently used in production is hydraulic impacter, and it can significantly improve drilling efficiency, but actually make
Some shortcomings are still suffered from during, for example the flow and sand content of flushing liquor are had strict demand, operation and maintenance it is more difficult,
There is consumable accessory causes short life etc., and these problems prevent hydraulic impacter from the large-scale promotion application in production practices.
Therefore it provides a kind of Purely mechanical drilling impactor be this area in the urgent need to, but this area there is no at present
A kind of device disclosure satisfy that this requirement.
The content of the invention
The present invention solves the deficiency in background technology, there is provided a kind of mechanical drilling impactor, the impactor pass through
The revolution of drilling rod provides power, the flow with simple structure, easy-operating advantage, the impactor and flushing liquor, sand content etc.
Factor is unrelated, and without consumable accessorys such as springs, ballistic work is adjustable, is applicable to deep hole high temperature and high pressure environment, is remarkably improved drilling effect
Rate and drilling quality, reduce drilling cost and construction period, and application prospect is extensive.
Realize technical scheme that above-mentioned purpose of the present invention adopted for:
A kind of mechanical drilling impactor, it is at least including drilling rod and the tool joint being installed at the top of drilling rod, described
The top of drilling rod is set with impact unit, and the bottom of drilling rod is provided with gear unit, and described gear unit includes that outer six sides connect
Head, interior six square joint, crossover sub and O-ring seal, described outer six square joint are threadedly secured to the bottom of drilling rod,
The top of interior six square joint is annular shape, and bottom is interior six sides shape, and its top is enclosed within drilling rod, its underpart set six square joint outside
On, and both are mutually matched identical, O-ring seal is installed between interior six square joints top and drilling-rod external wall, for sealing two
Gap between person, crossover sub are threadably secured the bottom for being connected to interior six square joint, and the bottom of crossover sub is arranged
There is connector, for connecting basket or drill bit pup joint;The top of the crossover sub is provided with the step for stretching out inwardly, institute
Step is stated positioned at the lower section of interior six square joint and outer six square joint and is contacted with both, drive when drilling rod rotates outer six sides to connect
Head rotation, by six square joints rotation in the drive of inside and outside six square set, interior six square joint drives crossover sub rotation to six square joints outward,
Drilling rod transmits the pressure of the drill to crossover sub by outer six square joint and step simultaneously;
Described impact unit includes block stamp, bearing and shifting block, and wherein block stamp is enclosed within drilling rod, and connects positioned at interior six side
The top of head, bearing are installed between drilling rod and block stamp, and drilling rod is arbitrarily rotated in the presence of bearing in block stamp, the shifting block
It is fixedly installed in the top of interior six square joint, and the bottom of block stamp is provided with the monocline face breach matched with shifting block, described group
Block is rotated with interior six square joint, and in rotary course, when shifting block rotates the monocline face indentation, there to block stamp, block stamp is made in gravity
Whereabouts, internal six square joint and crossover sub is used to be impacted, shifting block continues rotation, will when monocline face breach is gradually produced
Block stamp jack-up, circulates according to this, realizes the effect of impact.
Height of the height of the bottom in interior six sides shape more than outer six square joint in described interior six square joint.
Described bearing is provided with two, respectively upper bearing (metal) and lower bearing, and upper bearing (metal) installs solid by upper bearing (metal) gland
Fixed, lower bearing is installed by lower axle pressure cap and is fixed.
It is provided with above the block stamp for increasing by two grades of block stamps of impulsive force, the bottom of two grades of block stamps and block stamp
Top be fixedly connected.
Three vertical guide vanes are provided with the outer wall of the block stamp, drilling are produced when preventing block stamp from moving up and down
Swabbing action.
Compared with prior art, mechanical drilling impactor provided by the present invention has advantages below:1st, the application institute
The mechanical drilling impactor for providing can realize that Purely mechanical impacts, and outer six square joints rotation be driven when drilling rod rotates, outward
Six square joints drive interior six square joints rotation by inside and outside six square set, and interior six square joint drives crossover sub rotation, while drilling rod
The pressure of the drill is transmitted to crossover sub by outer six square joint and step;In rotary course, rotate when shifting block to the monocline face of block stamp
During indentation, there, block stamp falls under gravity, and internal six square joint and crossover sub are impacted, and shifting block continues rotation,
By block stamp jack-up when gradually producing monocline face breach, circulate according to this, realize the effect of impact.2nd, in the application in interior six square joints
Height of the height of the bottom in interior six sides shape more than outer six square joint, so, the impact energy of block stamp can be passed as much as possible
It is handed to crossover sub.3rd, it is provided with above the block stamp for increasing by two grades of block stamps of impulsive force, two grades of block stamps are used to adjust
The gross weight of block stamp is so as to adjusting the size of impactor ballistic work.4th, three vertical guiding are provided with the outer wall of the block stamp
Fin, produces swabbing action to drilling when preventing block stamp from moving up and down, while to preventing block stamp and two grades of block stamps with drilling rod one
Play rotation also to have certain effect.
Description of the drawings
The overall structure diagram of the mechanical drilling impactor that Fig. 1 is provided for the present invention;
Fig. 2 is the A-A of Fig. 1 to sectional view;
Fig. 3 is the B of Fig. 1 to partial view;
Fig. 4 is the C-C of Fig. 1 to sectional view;
In figure:1- tool joints, 2- drilling rods, bis- grades of block stamps of 3-, 4- block stamps, 5- upper bearing (metal) glands, 6- upper bearing (metal)s, 7- lower axles
Hold, 8- lower axle pressure caps, 9- shifting blocks, 10-O type sealing rings, outer six square joints of 11-, six square joint in 12-, 13- crossover subs.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment does detailed specific description to the present invention, but protection scope of the present invention
It is not limited to following examples.
The overall structure of the mechanical drilling impactor that the present invention is provided is as shown in figure 1, at least including drilling rod 2 and installing
Tool joint 1 at the top of drilling rod 2, the top of described drilling rod 2 are set with impact unit, and the bottom of drilling rod is provided with transmission list
Unit.
Described gear unit includes outer six square joints 11, interior six square joint 12, crossover sub 13 and O-ring seal
10, described outer six square joint 11 is threadedly secured to the bottom of drilling rod 2, and the top of interior six square joint 12 is annular shape, under
Portion is interior six sides shape, and its top is enclosed within drilling rod 2, and its underpart set is outside on six square joints 11, and both be mutually matched it is identical, such as
Shown in Fig. 4.Height of the height of the bottom in interior six sides shape more than outer six square joint in described interior six square joint 12.
O-ring seal 10 is installed between interior six square joints, 12 top and drilling-rod external wall, for sealing seam between the two
Gap, crossover sub 13 are threadably secured the bottom for being connected to interior six square joint 12, and the bottom of crossover sub 13 is provided with company
Interface, for connecting basket or drill bit pup joint.The top of the crossover sub 13 is provided with the step for stretching out inwardly, described
Step is located at the lower section of interior six square joint and outer six square joint and is contacted with both, and outer six square joints are driven when drilling rod rotates
Rotation, by six square joints rotation in the drive of inside and outside six square set, interior six square joint drives crossover sub rotation to six square joints, together outward
When drilling rod the pressure of the drill is transmitted to crossover sub by outer six square joint and step.
Described impact unit includes block stamp 4, bearing and shifting block 9, and wherein block stamp 4 is enclosed within drilling rod 2, and is located at interior six
The top of square joint 12, the top of the block stamp 4 are provided with for increasing by two grades of block stamps 3 of impulsive force, two grades of block stamps 3
Bottom is fixedly connected with the top of block stamp 4.Three vertical guide vanes are provided with the outer wall of the block stamp 4, block stamp is prevented
Swabbing action is produced to drilling during up and down motion, as shown in Figure 2.
Bearing is installed between drilling rod 2 and block stamp 4, and drilling rod 2 is arbitrarily rotated in the presence of bearing in block stamp 4, described
Bearing be provided with two, respectively upper bearing (metal) 6 and lower bearing 7, upper bearing (metal) 6 are installed by upper bearing (metal) gland 5 and are fixed, lower bearing
7 install fixation by lower axle pressure cap 8.The shifting block 9 is fixedly installed in the top of interior six square joint 12, and the bottom of block stamp 4
The monocline face breach matched with shifting block 9 is provided with, as shown in Figure 3.The shifting block 9 is rotated with interior six square joint, is being rotated through
Cheng Zhong, when shifting block rotates the monocline face indentation, there to block stamp, block stamp falls under gravity, internal six square joint and conversion
Joint is impacted, and shifting block continues rotation, when monocline face breach is gradually produced by block stamp jack-up, circulates according to this, realizes impact
Effect.
After mechanical drilling impactor provided by the present invention is assembled, in being serially connected in nearly drill bit drill string and under enter drilling
Interior, if core-drilling, then the crossover sub of impactor lower end is connected with basket, if total cost management, then impactor
The crossover sub of lower end is connected with drill bit pup joint.
Under the drive of top rig, drilling rod is rotated along ω directions as shown in Figure 1, and drilling rod drives outer six side of lower end to connect
Head rotation, by the cooperation transmitting torque of inside and outside six square set, six square joints, crossover sub and bottom in six square joints drive outward
The part such as basket and drill bit rotates together, and the lower end of six square joints is pressed on the step of crossover sub and transmits the pressure of the drill outward, realizes
It is normal to creep into.With it is a little and meanwhile interior six square joint drive the shifting block of end face mounted thereto together with rotate.Handle while shifting block rotates
Block stamp and two grades of block stamp jack-up, after shifting block rotates a circle, fall in the monocline face breach of block stamp lower end, now again, block stamp and
Two grades of block stamps, six square joints in rapid falling impacts under gravity, finally reach brill impact energy by crossover sub
At head, so as to improve detritus efficiency.Six side's length of outer six square joint are slightly less than six side's length of interior six square joint, so, punching
The impact energy of hammer can be transferred to crossover sub as much as possible.Upper bearing (metal) and lower bearing are cased with outside drilling rod to be used to prevent as far as possible
Block stamp and two grades of block stamps are rotated together with drilling rod.3 guide vanes are provided with outside block stamp, during for preventing block stamp from moving up and down
Swabbing action is produced to drilling, while to preventing block stamp and two grades of block stamps from also having certain effect as drilling rod rotates together.Two
Level block stamp is used for the gross weight for adjusting block stamp so as to adjust the size of impactor ballistic work.
Claims (5)
1. a kind of mechanical drilling impactor, at least including drilling rod and the tool joint being installed at the top of drilling rod, its feature exists
In:The top of described drilling rod is set with impact unit, and the bottom of drilling rod is provided with gear unit, and described gear unit includes
Outer six square joint, interior six square joint, crossover sub and O-ring seal, described outer six square joint are threadedly secured to bore
The bottom of bar, the top of interior six square joint are annular shape, and bottom is interior six sides shape, and top is enclosed within drilling rod, bottom set outside six
On square joint, and bottom is mutually matched identical with outer six square joint, and O-ring seal is installed on outside interior six square joints top and drilling rod
Between wall, for sealing gap between the two, crossover sub is threadably secured the bottom for being connected to interior six square joint, and turns
The bottom of changing-over head is provided with connector, for connecting basket or drill bit pup joint;The top of the crossover sub is provided with
The step for stretching out inwardly, the step are located at the lower section of interior six square joint and outer six square joint and are contacted with both, work as drilling rod
Outer six square joints rotation is driven during rotation, six square joints drive interior six square joints rotation, interior six side to connect by inside and outside six square set outward
Head drives crossover sub rotation, while drilling rod transmits the pressure of the drill to crossover sub by outer six square joint and step;
Described impact unit includes block stamp, bearing and shifting block, and wherein block stamp is enclosed within drilling rod, and positioned at interior six square joint
Top, bearing are installed between drilling rod and block stamp, and drilling rod is arbitrarily rotated in the presence of bearing in block stamp, and the shifting block is fixed
Be installed on the top of interior six square joint, and the bottom of block stamp be provided with the monocline face breach matched with shifting block, the shifting block with
The rotation of interior six square joint, in rotary course, when shifting block rotates the monocline face indentation, there to block stamp, block stamp is under gravity
Fall, internal six square joint and crossover sub are impacted, shifting block continues rotation, when monocline face breach is gradually produced by block stamp
Jack-up, circulates according to this, realizes the effect of impact.
2. mechanical drilling impactor according to claim 1, it is characterised in that:It is in interior six in described interior six square joint
Height of the height of the bottom of square shape more than outer six square joint.
3. mechanical drilling impactor according to claim 1, it is characterised in that:Described bearing is provided with two, point
Not Wei upper bearing (metal) and lower bearing, upper bearing (metal) by upper bearing (metal) gland install fix, lower bearing by lower axle pressure cap install fix.
4. mechanical drilling impactor according to claim 1, it is characterised in that:Be provided with above the block stamp for
Increase by two grades of block stamps of impulsive force, the bottom of two grades of block stamps is fixedly connected with the top of block stamp.
5. mechanical drilling impactor according to claim 1, it is characterised in that:Three are provided with the outer wall of the block stamp
Individual vertical guide vane, produces swabbing action to drilling when preventing block stamp from moving up and down.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510372685.7A CN105019824B (en) | 2015-06-30 | 2015-06-30 | A kind of mechanical drilling impactor |
Applications Claiming Priority (1)
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CN201510372685.7A CN105019824B (en) | 2015-06-30 | 2015-06-30 | A kind of mechanical drilling impactor |
Publications (2)
Publication Number | Publication Date |
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CN105019824A CN105019824A (en) | 2015-11-04 |
CN105019824B true CN105019824B (en) | 2017-03-29 |
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ID=54410069
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CN201510372685.7A Expired - Fee Related CN105019824B (en) | 2015-06-30 | 2015-06-30 | A kind of mechanical drilling impactor |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108412429B (en) * | 2018-04-23 | 2024-03-26 | 无锡锡钻地质装备有限公司 | Petroleum exploration drilling tool |
CN109854164B (en) * | 2018-12-14 | 2024-05-17 | 中国科学院沈阳自动化研究所 | Drilling device and drilling method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2094614U (en) * | 1991-05-10 | 1992-01-29 | 宣化-英格索兰矿山工程机械有限公司 | Impactor |
CN2118150U (en) * | 1992-05-19 | 1992-10-07 | 长春地质学院 | Hydraulic penetrating type impactor |
AU2002340064A1 (en) * | 2001-09-29 | 2003-04-14 | Rainer Sebastiano Beccu | Percussive rotational impact hammer |
CN2530018Y (en) * | 2002-01-14 | 2003-01-08 | 中国石油化工股份有限公司 | Power transmission mechanism of impacter |
CN201865567U (en) * | 2010-11-19 | 2011-06-15 | 中冶集团武汉勘察研究院有限公司 | Hole bottom impactor |
RU2627781C2 (en) * | 2012-11-08 | 2017-08-11 | Флексидрилл Лимитед | Insert impact device for core sampling |
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2015
- 2015-06-30 CN CN201510372685.7A patent/CN105019824B/en not_active Expired - Fee Related
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