CN110529038A - A kind of anvil valve type hydraulic in-the-hole hammer - Google Patents
A kind of anvil valve type hydraulic in-the-hole hammer Download PDFInfo
- Publication number
- CN110529038A CN110529038A CN201910776258.3A CN201910776258A CN110529038A CN 110529038 A CN110529038 A CN 110529038A CN 201910776258 A CN201910776258 A CN 201910776258A CN 110529038 A CN110529038 A CN 110529038A
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- China
- Prior art keywords
- anvil
- anvil valve
- valve
- guide holder
- valve rod
- Prior art date
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Links
- 239000007788 liquid Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims 1
- 230000007717 exclusion Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Valves (AREA)
Abstract
A kind of anvil valve type hydraulic in-the-hole hammer, including sequentially connected top connection, outer tube, spline housing and lower contact, anvil valve module is set in the lower contact of hollow structure, anvil valve module includes limited cap, anvil valve, anvil valve spring and guide holder, limited cap is fixed on lower contact top, limited cap is equipped with bellmouth, and guide holder is fixed in the middle part of lower contact；Anvil valve is made of anvil valve head and anvil valve rod, anvil valve head is to match the cone being bonded with bellmouth, anvil valve rod is equipped with valve rod centre bore, and the side wall of anvil valve rod crosses liquid bath hole equipped with connection valve rod centre bore, and the lower part of anvil valve rod is inserted into guide holder, is slidably matched with guide holder；Anvil valve spring is sleeved on anvil valve rod, and anvil valve spring both ends press anvil valve head and guide holder respectively.The capacity usage ratio and output ballistic work that can effectively improve hydraulic in-the-hole hammer using the present invention, can also reduce the lower piston motor area dead angle Ji Sha, are conducive to exclusion rock and cut accumulated slag, extend the motion seal secondary service life, mitigate blocked portion probability.
Description
Technical field
The present invention relates to one kind to be used for geology drilling construction device, is especially applied to geological core drilling, Science Drilling
Or the anvil valve type hydraulic in-the-hole hammer in the fields such as oil and gas exploration.
Background technique
Hydraulic in-the-hole hammer is the shock loading generating device in hydraulical impact rotary drilling, and hydraulic in-the-hole hammer is utilized and crept into
The energy in flushing liquor that slush pump supplies in journey, the block stamp formation directly driven in Hydro-efflux Hammer pump, continuously not
The shock loading for disconnectedly applying certain frequency to lower drilling tool, to realize rotary-percussive drilling.Existing hydraulic in-the-hole hammer according to
Its action principle difference can be divided into positive interaction hydraulic in-the-hole hammer, reaction hydraulic in-the-hole hammer, jetting type double acting hydraulic in-the-hole hammer,
The plurality of classes such as jet absorption type double acting hydraulic in-the-hole hammer and combined type hydraulic in-the-hole hammer can be divided into routine according to structure feature again
Hydraulic in-the-hole hammer and through hydraulic in-the-hole hammer.Above-mentioned hydraulic in-the-hole hammer all has a kind of defect i.e. during the work time: rushing
It hits because block stamp high-speed motion leads to cavity of resorption pressure rise in stroke, is more or less all deposited when block stamp is run to close to end of travel
In the water cushion effect for influencing and reducing last impacting velocity, weakening ballistic work that is under pressure.
Summary of the invention
The purpose of the present invention is to provide a kind of elimination or it is substantially reduced the high anvil valve type liquid of water cushion effect, capacity usage ratio
Dynamic down-hole hammer.
Problem of the present invention is realized with following technical proposals:
A kind of anvil valve type hydraulic in-the-hole hammer, including sequentially connected top connection, outer tube, spline housing and lower contact, in outer tube
Equipped with upper cylinder sleeve, upper piston, block stamp, lower piston and lower cylinder sleeve, anvil valve module, anvil valve group are set in the lower contact of hollow structure
Part includes limited cap, anvil valve, anvil valve spring and guide holder, and the limited cap is fixed on lower contact top, and limited cap is equipped with bellmouth,
Guide holder is fixed in the middle part of lower contact；Anvil valve is made of anvil valve head and anvil valve rod, and anvil valve head is to match the circle being bonded with bellmouth
Cone, anvil valve rod are equipped with valve rod centre bore, and the side wall of anvil valve rod crosses liquid bath hole equipped with connection valve rod centre bore, anvil valve rod
It is slidably matched in lower part insertion guide holder, with guide holder；Anvil valve spring is sleeved on anvil valve rod, and anvil valve spring both ends press anvil valve respectively
Head and guide holder.
Above-mentioned anvil valve type hydraulic in-the-hole hammer, the anvil valve head are equipped with logical liquid bath, and logical liquid bath is uniformly distributed, and lead to liquid bath by anvil valve
The middle part of head extends to the bottom of anvil valve head.
Above-mentioned anvil valve type hydraulic in-the-hole hammer, the anvil valve head are equipped with the central through-flow hole of connection valve rod centre bore, and center is logical
The aperture of discharge orifice is more than or equal to zero, less than or equal to the aperture of valve rod centre bore.
The periphery of above-mentioned anvil valve type hydraulic in-the-hole hammer, the guide holder is evenly distributed with diversion trench.
Above-mentioned anvil valve type hydraulic in-the-hole hammer, the guide holder are equipped with anvil valve spring limiting slot, and anvil valve spring lower part is located at anvil valve spring
In limiting slot.
Above-mentioned anvil valve type hydraulic in-the-hole hammer, the anvil stem lower portion diameter are less than upper diameter, two different-diameter junctions
Constitute anvil valve stem spacing platform.
Above-mentioned anvil valve type hydraulic in-the-hole hammer, the liquid bath hole of crossing is uniformly distributed on anvil valve rod, and crossing liquid bath hole is 2-4, crosses liquid
The position of slot is corresponding with the position of lower contact by-pass prot.
The present invention is improved for reduction hydraulic in-the-hole hammer water cushion effect problem is solved, and anvil valve is arranged in lower contact
Component, anvil valve module is equipped with anvil valve, in the back segment of impact stroke, is acted on compression anvil valve spring by high pressure at the top of anvil valve, anvil valve with
Move down, the inlet on anvil valve gear top is opened, the discharge area of intermediate channel is improved, so that cavity of resorption pressure be effectively reduced
Influence of the water cushion effect to ballistic work is eliminated or reduced to power.And when lifting hammer, due to the pressure reduction of lower piston area, anvil valve is in anvil
Uplink under the action of valve spring, closing or semiclosed water passage accelerate lift hammer.Hydraulic down-hole can effectively improve using the present invention
The capacity usage ratio and output ballistic work of hammer can also reduce lower piston simultaneously because top inlet is opened when anvil valve works
The motor area dead angle Ji Sha is conducive to exclusion rock and cuts accumulated slag, extend the motion seal secondary service life, mitigate blocked portion probability.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of anvil valve；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the anvil valve arrangement schematic diagram that central through-flow bore dia is zero；
Fig. 6 is the perspective view of guide holder.
Each label in figure are as follows: 1, top connection, 2, outer tube, 3, top nozzle, 4, upper valve, 5, upper cylinder sleeve, 6, upper piston, 7, punching
It hammers into shape, 8, lower piston, 9, lower cylinder sleeve, 10, limited cap, 11, anvil valve, 11-1, anvil valve rod, 11-2, excessively liquid bath hole, in 11-3, valve rod
Heart hole, 11-4, anvil valve head, 11-5, logical liquid bath, 12, anvil valve spring, 13, slips, 14, guide holder, 15, spline housing, 16, lower contact,
16-1, lower contact by-pass prot.
Specific embodiment
Referring to Fig. 1, Fig. 2, the present invention include sequentially connected top connection 1 from top to bottom, outer tube 2, spline housing 15 and under connect
First 16, lower contact is connected with comprehensive drill bit or core drill.Top connection and spline housing pass through screw thread respectively and are connected with outer tube, spline
Set and lower contact connect transmitting torque by spline or mode, and slips 13 guarantees that spline housing connects together with lower contact and will not disengage
And blank-run prevention space can be provided in the opposite sliding of axis direction.Upper cylinder sleeve 5, lower cylinder sleeve 9, the top in outer tube are equipped in outer tube
Equipped with upper valve 4, the block stamp component being made of upper piston 6, block stamp 7, lower piston 8 is additionally provided in outer tube, wherein upper piston and upper cylinder half
Set is slidably matched, and lower piston is slidably matched with lower cylinder sleeve 9.Block stamp component and upper valve cooperate, in its respective limit range with
Uniform and higher frequency moves back and forth, and impact occurs with lower contact when block stamp component movement to lower limit and with shock wave
Mode transfer its energy to drill bit to improving drill bit detritus efficiency.The present invention is that the water cushion effect of reduction hydraulic in-the-hole hammer is set
Anvil valve module is set, anvil valve module is located in the lower contact of hollow structure.Anvil valve module includes limited cap 10, anvil valve 11, anvil valve
Spring 12 and guide holder 14.Limited cap is fixed on the top of lower contact, and limited cap lower end is supported by the step that lower contact is arranged, limit
Cap upper end is limited by modes such as circlip or screw threads, and limited cap is equipped with bellmouth.Guide holder is fixed in the middle part of lower contact, is led
It is supported to seat lower part by the step that lower contact is arranged, guide holder top pre-tightens limit by anvil valve spring.Anvil valve spring is sleeved on anvil valve
On bar, anvil valve spring both ends press anvil valve head and guide holder respectively.
Referring to Fig. 2-Fig. 5, anvil valve is made of the anvil valve head 11-4 of anvil valve rod 11-1 and likeness in form mushroom head.The top of anvil valve head
To match the cone being bonded with bellmouth；Anvil valve head is equipped with the logical liquid bath 11-5 for quick fluid-discharge, and logical liquid bath is uniformly distributed,
Logical liquid bath is extended from the middle part of anvil valve head to the lower part of anvil valve head.Anvil valve head is additionally provided with the central through-flow hole of connection valve rod centre bore
The different through-flow requirements of water excessively may be implemented in 11-6, the aperture by changing central through-flow hole.The aperture in central through-flow hole is greater than
Equal to zero, less than or equal to the aperture of valve rod centre bore.The aperture in anvil valve central through-flow hole shown in Fig. 3 is greater than zero, is less than valve rod
Centre bore, the anvil valve of this structure in off position when semiclosed water passage；The aperture in anvil valve central through-flow hole shown in fig. 5
Be zero, in other words, exactly enclose central through-flow hole, the anvil valve of this structure in off position when totally-enclosed water passage.On
Stating two kinds of structures can select according to the working condition of Hydro-efflux Hammer.Anvil valve rod is equipped with valve rod centre bore 11-3, the side wall of anvil valve rod
Be equipped with connection valve rod centre bore crosses liquid bath hole 11-2, crosses liquid bath hole and is evenly distributed on anvil valve rod, and the quantity for crossing liquid bath hole is 2-4
A, the position for crossing liquid bath hole is corresponding with the position of lower contact by-pass prot 16-1, so as to quickly swimmingly through-flow drain.Anvil valve rod
It is slidably matched in lower part insertion guide holder, with guide holder；Anvil stem lower portion diameter is less than upper diameter, two different-diameter junctions
Constitute anvil valve stem spacing platform.
Referring to Fig. 2, Fig. 6, in order to guarantee that the liquid flowed down by anvil valve advances freely, uniformly led in the periphery of centre pilot seat
Chute 14-1.Guide holder end is equipped with anvil valve spring limiting slot 14-2, and anvil valve spring lower part is located in anvil valve spring limiting slot, such side
Guide holder is reliably compressed in face of the limit of anvil valve spring, on the other hand convenient for anvil valve spring.
Working principle of the present invention is as follows: when Hydro-efflux Hammer does not work or Hydro-efflux Hammer cavity of resorption insufficient pressure is to open anvil valve spring,
It is formed and is sealed by the conical surface between limited cap and anvil valve head；Stroke the second half when Hydro-efflux Hammer works before impact occurs, with punching
It hammers the high-speed motion of component into shape, compresses hydraulic in-the-hole hammer cavity of resorption working media, lead to cavity of resorption pressure rise, anvil valve module is by high pressure
Effect anvil valve compression anvil valve spring is moved down along guide holder, and the channel between limited cap and anvil valve head is opened, and intermediate channel is quickly improved
Discharge area, partially liq shunting flows through through central passage, lower cavity pressure is reduced rapidly, to eliminate or substantially reduce water cushion
Influence of the effect to ballistic work improves the ballistic work of Hydro-efflux Hammer output.And in lift hammer process, due to the pressure reduction of lower piston area,
Anvil valve uplink under the resilient force of anvil valve spring partly or entirely closes water passage, accelerates lift hammer.In use, by more
The aperture that anvil valve changes central through-flow hole is changed, biggish pump amount range is adapted to；Replacement anvil valve spring can change anvil valve spring
Range in stiffness.
Claims (7)
1. a kind of anvil valve type hydraulic in-the-hole hammer, including sequentially connected top connection, outer tube, spline housing and lower contact, set in outer tube
There are upper cylinder sleeve, upper piston, block stamp, lower piston and lower cylinder sleeve, it is characterised in that: anvil valve group is set in the lower contact of hollow structure
Part, anvil valve module include that limited cap (10), anvil valve (11), anvil valve spring (12) and guide holder (14), the limited cap are fixed on down
Connector top, limited cap are equipped with bellmouth, and guide holder is fixed in the middle part of lower contact；Anvil valve is by anvil valve head (11-4) and anvil valve rod
(11-1) is constituted, and anvil valve head is to match the cone being bonded with bellmouth, and anvil valve rod is equipped with valve rod centre bore, the side wall of anvil valve rod
Be equipped with connection valve rod centre bore (11-3) crosses liquid bath hole (11-2), and the lower part of anvil valve rod is inserted into guide holder and guide holder
It is slidably matched；Anvil valve spring is sleeved on anvil valve rod, and anvil valve spring both ends press anvil valve head and guide holder respectively.
2. anvil valve type hydraulic in-the-hole hammer according to claim 1, it is characterised in that: the anvil valve head is equipped with logical liquid bath (11-
5), logical liquid bath is uniformly distributed, and is led to liquid bath and is extended from the middle part of anvil valve head to the bottom of anvil valve head.
3. anvil valve type hydraulic in-the-hole hammer according to claim 2, it is characterised in that: the anvil valve head is equipped in connection valve rod
The central through-flow hole (11-6) in heart hole, the aperture in central through-flow hole are more than or equal to zero, less than or equal to the aperture of valve rod centre bore.
4. anvil valve type hydraulic in-the-hole hammer according to claim 3, it is characterised in that: the periphery of the guide holder is evenly distributed with water conservancy diversion
Slot (14-1).
5. anvil valve type hydraulic in-the-hole hammer according to claim 4, it is characterised in that: the guide holder is limited equipped with anvil valve spring
Slot (14-2), anvil valve spring lower part are located in anvil valve spring limiting slot.
6. anvil valve type hydraulic in-the-hole hammer according to claim 5, it is characterised in that: the anvil stem lower portion diameter is less than upper
Portion's diameter, two different-diameter junctions constitute anvil valve stem spacing platform.
7. anvil valve type hydraulic in-the-hole hammer according to claim 6, it is characterised in that: the liquid bath hole excessively is equal on anvil valve rod
Cloth, crossing liquid bath hole is 2-4, and the position for crossing liquid bath hole is corresponding with the position of lower contact by-pass prot (16-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776258.3A CN110529038A (en) | 2019-08-22 | 2019-08-22 | A kind of anvil valve type hydraulic in-the-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776258.3A CN110529038A (en) | 2019-08-22 | 2019-08-22 | A kind of anvil valve type hydraulic in-the-hole hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529038A true CN110529038A (en) | 2019-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910776258.3A Pending CN110529038A (en) | 2019-08-22 | 2019-08-22 | A kind of anvil valve type hydraulic in-the-hole hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585960A (en) * | 2021-08-05 | 2021-11-02 | 重庆大学 | Centre rotary valve type hydraulic impactor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2011355A1 (en) * | 1968-06-21 | 1970-02-27 | Pan American Petroleum Corp | |
| SU1502789A1 (en) * | 1986-06-16 | 1989-08-23 | Специальное Конструкторское Бюро Всесоюзного Промышленного Объединения "Союзгеотехника" | Hydraulic impact member of direct action |
| CN2189199Y (en) * | 1994-04-14 | 1995-02-08 | 地质矿产部勘探技术研究所 | Heavy and energy saving hydraulic hammer for drilling |
| CN1397715A (en) * | 2002-08-07 | 2003-02-19 | 中国地质科学院勘探技术研究所 | Hydraulic in-the-hole hammer with dual nozzles and combined valve |
| CN105134067A (en) * | 2015-09-10 | 2015-12-09 | 西南石油大学 | Continuous hydraulic hammer for well drilling |
| CN105934557A (en) * | 2014-01-21 | 2016-09-07 | 山特维克知识产权股份有限公司 | Quick release down-the-hole hammer drill bit assembly |
| CN108104715A (en) * | 2018-02-08 | 2018-06-01 | 西南石油大学 | Torsion impact device based on turbine and gear |
| CN210829062U (en) * | 2019-08-22 | 2020-06-23 | 中国地质科学院勘探技术研究所 | Anvil valve type hydraulic down-the-hole hammer capable of improving energy utilization rate |
-
2019
- 2019-08-22 CN CN201910776258.3A patent/CN110529038A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2011355A1 (en) * | 1968-06-21 | 1970-02-27 | Pan American Petroleum Corp | |
| SU1502789A1 (en) * | 1986-06-16 | 1989-08-23 | Специальное Конструкторское Бюро Всесоюзного Промышленного Объединения "Союзгеотехника" | Hydraulic impact member of direct action |
| CN2189199Y (en) * | 1994-04-14 | 1995-02-08 | 地质矿产部勘探技术研究所 | Heavy and energy saving hydraulic hammer for drilling |
| CN1397715A (en) * | 2002-08-07 | 2003-02-19 | 中国地质科学院勘探技术研究所 | Hydraulic in-the-hole hammer with dual nozzles and combined valve |
| CN105934557A (en) * | 2014-01-21 | 2016-09-07 | 山特维克知识产权股份有限公司 | Quick release down-the-hole hammer drill bit assembly |
| CN105134067A (en) * | 2015-09-10 | 2015-12-09 | 西南石油大学 | Continuous hydraulic hammer for well drilling |
| CN108104715A (en) * | 2018-02-08 | 2018-06-01 | 西南石油大学 | Torsion impact device based on turbine and gear |
| CN210829062U (en) * | 2019-08-22 | 2020-06-23 | 中国地质科学院勘探技术研究所 | Anvil valve type hydraulic down-the-hole hammer capable of improving energy utilization rate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585960A (en) * | 2021-08-05 | 2021-11-02 | 重庆大学 | Centre rotary valve type hydraulic impactor |
| CN113585960B (en) * | 2021-08-05 | 2023-11-21 | 重庆大学 | Central rotary valve type hydraulic impactor |
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