CN107165573A - The interlocking-type hammer valve system of hydraulic impacter service behaviour can be improved - Google Patents
The interlocking-type hammer valve system of hydraulic impacter service behaviour can be improved Download PDFInfo
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- CN107165573A CN107165573A CN201710452067.2A CN201710452067A CN107165573A CN 107165573 A CN107165573 A CN 107165573A CN 201710452067 A CN201710452067 A CN 201710452067A CN 107165573 A CN107165573 A CN 107165573A
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- interlocking
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 8
- 230000003116 impacting effect Effects 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 9
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004080 punching Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012546 transfer Methods 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
The invention belongs to drilling machinery field, a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour is specifically disclosed, and drainage tube top is inserted in top connection bottom, and drainage tube bottom is inserted in valve top living, outer at the top of valve living to be stuck in spacing pad；Positioning sleeve is provided with the middle part of drainage tube between boss bottom surface and spacing pad；Valve bottom living, which is provided with outside block stamp bar, valve living, block stamp bar, is cased with block stamp bar epimere joint, and valve living is fixedly connected with there is block stamp bar epimere coupler bore to be slidably matched at the top of block stamp bar with block stamp epimere joint, and block stamp bar constitutes block stamp component with block stamp epimere joint；Block stamp bar bottom is cased with lower cylinder sleeve provided with impact anvil block, block stamp bar outside bottom；It is enclosed at the top of outer tube outside top connection bottom, outer pipe bottom is enclosed on outside impact anvil block.Hammer valve mutual interlocking gear in the present invention improves hydraulic impacter block stamp and valve closing seam performance living, ensure that synchronous coordination and reliability that hammer valve combined, improves the service behaviour of waterpower utilization rate and hydraulic impacter.
Description
Technical field
The invention belongs to drilling machinery field, and in particular to one kind is applied to the probing of geological and mineral resource, oil drilling, water
The Fa Kong mechanisms of literary water well drilling, the hydraulic impacter of engineering construction field.
Background technology
Valve type double-acting type hydraulic impacter is most studied, is also a kind of most widely used hydraulic impacter.It pacifies
On rotary drilling bits, as auxiliary detritus instrument, it is widely used in probing, drilling applications.Be conducive to improving drilling efficiency, carry
High core recovery percentage, anti-crushing rock stratum block up bit freezing tool, improve drilling life of bit, keyhole deflection.It is to utilize difference in areas
Or the pressure differential that jet flow negative pressure Involving velocity is produced, allow valve living to reach upper limit position prior to block stamp bar, then on block stamp bar
Row is closed with valve collision living, closes waterway channel, so that huge water hammer experiment is produced in impactor epicoele, water hammer experiment effect
In block stamp bar and valve upper surface living, downward thrust is produced, promoting block stamp bar to live, valve is descending together, and valve living is made in lower caging device
Lower stop motion, block stamp bar is used to impact anvil block after continuing traveling downwardly one section of free travel under inertia force effect, this process circulates past
It is multiple, carry out impact acting.In terms of above-mentioned operation principle, hydraulic impacter wants to play optimum performance, it is necessary to assure two conditions：
One is to ensure that block stamp bar is not departed from valve living in up last journey energy moment closure；Two be to ensure block stamp bar with valve living in downward stroke
In be synchronized with the movement, not prematurely popping out causes backhaul to carry out in advance.But valve living is adopted in the Fa Kong mechanisms of existing hydraulic impacter technology
With gauge structure is waited, block stamp and work can occur because of reasons such as processing fit quality, flushing liquor viscosity, sand content in actual applications
Valve is not closed completely, hammers valve segregation phenomenon in advance into shape, so as to cause that frequency of impact shakiness, power drop, waterpower utilization rate be low, impactor
The problems such as service behaviour declines occurs.
The content of the invention
Valve system is hammered into shape it is an object of the invention to provide a kind of interlocking-type for improving hydraulic impacter service behaviour, it is ensured that punching
Reliable harmony of the hammer stem with valve living in stroke and the backhaul course of work, solves existing valve type difunctional hydraulic impactor in work
Hammer the technical deficiency that valve prematurely pops out and is not closed completely during work into shape, improve the functional reliability of hydraulic impacter, improve water energy
Utilization rate, improves the service behaviour of hydraulic impacter.
Realize the technical scheme of the object of the invention：.
The advantageous effects of the present invention：The interlocking-type hammer provided by the present invention for improving hydraulic impacter service behaviour
Valve system, is, with devising ring-type interlocking force mechanism on valve adapted space living, to utilize fluid liquid in hydraulic impacter block stamp bar
Pressure initiation interlocks power, it is ensured that hammer valve combination reliability and sealing.The interlocking power of interlocking-type hammer valve system formation makes punching of surging
Hitting device block stamp, block stamp bar and valve living during downward stroke keep reliable connection with valve living, and synchronous coordination is descending, does not produce and carries
Before be mutually disengaged phenomenon；In the up return stroke of block stamp bar, block stamp bar can promote block stamp with valve closure moment living, mutual interlocking gear
Bar and valve energy rapid closing living, so as to produce huge water hammer experiment, it is to avoid because resilience causes hammer, valve when hammer, valve collision closure
Closure is not tight, reduction water hammer experiment phenomenon, influences hydraulic impacter output performance.Hammer valve mutual interlocking gear in the present invention is improved
Hydraulic impacter block stamp bar and valve closing seam performance living, synchronous coordination and reliability that hammer valve combined are ensure that, improved
The service behaviour of waterpower utilization rate and hydraulic impacter.
Brief description of the drawings
Fig. 1 hammers the structural representation of valve system into shape for the interlocking-type provided by the present invention for improving hydraulic impacter service behaviour
Figure.
In figure：1st, top connection；2nd, sealing ring；3rd, drainage tube；4th, positioning sleeve；5th, spacing pad；6th, upper guide sleeve；7th, valve living；
8th, block stamp bar epimere joint；9th, outer tube；10th, block stamp bar；11st, lower cylinder sleeve；12nd, anvil block is impacted.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the interlocking-type hammer valve system provided by the present invention for improving hydraulic impacter service behaviour, this is mutual
Locking-type hammer valve system includes top connection 1, sealing ring 2, drainage tube 3, positioning sleeve 4, spacing pad 5, upper guide sleeve 6, valve 7 living, block stamp
Bar epimere joint 8, outer tube 9, block stamp bar 10, lower cylinder sleeve 11, impact anvil block 12.Top connection 1 is rigidly connected with outer tube 9 using screw thread
Connect, the processing of the connection screw thread bottom of outer tube 9 endoporus and limited step concentric with the holding of thread size footpath, upper guide sleeve 6 is from outer
Suitable for reading be put into of pipe 9 is installed in endoporus, and the upper external diameter of guide sleeve 6 is upper to be oriented to coordinating the endoporus of outer tube 9 installed to be slidingly sealed cooperation
Set 6 is positioned by the endoporus limited step of outer tube 9.
Top connection 1 is with the top of drainage tube 3 using insertion fit structure, and the upper end external diameter of drainage tube 3 is used with the endoporus of top connection 1
Cooperation is slidingly sealed, medium design has sealing ring 2, prevents fluid from leaking pressure release, it is ensured that drilling fluid is effectively entered by drainage tube 3
In valve 7 living.
Block stamp epimere joint 8 is connected with block stamp bar 10 using fine thread 20, and junction adopts (15 °~45 °) and uses addendum cone
Containment type structure, release phenomenon when preventing block stamp bar 10 from impacting.
There are limbers, bottom lock in the center of valve 7 living, and bottom surface is machined with counterbore, and hypomere side is provided with side osculum 16；Valve living
7 top endoporus are slidingly sealed cooperation with the external diameter of drainage tube 3；The epimere of valve 7 living is " work " shape structure, path part and the valve of valve 7 living
External footpath category coaxial configuration.Shown in figure Fig. 1 sectional views A-A, the circular pad of " u "-shaped neck, valve living are provided with centered on spacing pad (5)
7 " work " shape structure path sections are arranged in the " u "-shaped neck of spacing pad 5, and " u "-shaped neck hole has with valve path external diameter living
0.1mm~1.0mm fit clearance, valve 7 living can be freely up and down movable in " u "-shaped neck, by valve 7 " work " shape structure living
It is spacing along face and the progress of the spacing " u "-shaped neck upper surface of pad 5 under upper end.
The lower end of valve 7 living has bottom shoulder 17, and the outside dimension of bottom shoulder 17 is more than the valve body outside dimension of valve 7 living, from
When valve body upper end is overlooked downwards, bottom shoulder 17 has annulus area area；The maximum outside diameter of valve 7 " work " shape structure division living and work
The valve body external diameter of valve 7 is consistent, is slidably matched with the endoporus of block stamp epimere joint 8；When valve 7 living is installed, the top of valve 7 will be first lived from block stamp
The section endoporus of joint 8 is passed, and then connects block stamp epimere joint 8 as block stamp component by screw thread and block stamp bar 10.
Upper guide sleeve 6 designs limited location pad positioning step, and the spacing lower surface of pad 5 is arranged on the positioning step of guide sleeve 6,
Upper surface compresses positioning by positioning sleeve 4, keeps fixing.
The upper end of guide sleeve 6 is designed with the endoporus step for installing drainage tube 3, the upper end of the endoporus step end face and positioning sleeve 4
Face is flushed, after drainage tube 3 is installed in place, the convex shoulder lower surface of drainage tube 3 and the upper surface snug fit of positioning sleeve 4.
The circumference of guide sleeve 6 is provided with side osculum 14, the block stamp component that block stamp epimere joint 8, block stamp bar 10 are constituted and valve 7 living
During reciprocating motion, the fluid of the epicoele of guide sleeve 6 is discharged with supplementing by side osculum 14.
The upper end Excircle machining of block stamp epimere joint 8 has longitudinal water guide sediment ejection trough 15, can reduce itself and the endoporus wall of guide sleeve 6
Frictional resistance, and can effectively prevent the blocked portion of silt in flushing liquor.
It is to be slidingly sealed cooperation that the lower endoporus of cylinder sleeve 11 is cylindrical with the lower end of block stamp bar 10, fit clearance 0.05mm~0.15mm,
Formed and be slidingly sealed between the two.The lower end of block stamp bar 10 can be slided up and down equivalent to piston in lower cylinder sleeve 11.
It is to be slidingly sealed cooperation between lower cylinder sleeve 11 and impact anvil block 12.
Block stamp bar 10 pumps, periodically striking impact anvil block 12, and impact force passes to liquid by anvil block 12
The drill bit of dynamic impactor, carries out detritus acting.
Impact anvil block 12 with the end endoporus of outer tube 9 for gap to coordinate, impact anvil block 12 is installed in the end endoporus of outer tube 9,
And impact anvil block 12 is positioned by the shoulder b of the endoporus of outer tube 9.
Toroidal cavity 19 is formed between block stamp bar 10 and outer tube 9, side drainage channel is formed between lower cylinder sleeve 11 and outer tube 9
22.The middle and lower part of block stamp bar 10 has throttle orifice 21, and the middle part of impact anvil block 12 has spilled water hole 23.
The interlocking-type hammer valve system course of work provided by the present invention for improving hydraulic impacter service behaviour：
Fig. 1 hammers the initialization of valve system into shape for the interlocking-type provided by the present invention for improving hydraulic impacter service behaviour
State, valve 7 living is suspended on the U-shaped groove position of spacing pad 5, and there is a free travel lower surface of valve 7 living with the upper surface of block stamp bar 10
Apart from H18 (3mm~30mm).Fluid, through the endoporus of top connection 1, passes through drainage tube 3 by hydraulic impacter drill string bore passage
Centre bore 13 enter the centre bore of valve 7 living, the liquid circulation lower side osculum 16 of valve 7 of making a living flows out, through the lower surface of valve 7 living and block stamp
Free travel gap H between the upper surface of bar 10, enters lower piston chamber a, due to block stamp bar by the center water hole of block stamp bar 10
The throttling action of throttle orifice 21 on 10, lower piston chamber a pressure rises, because the toroidal cavity 19 of block stamp bar 10 and outer tube 9 leads to
Cross down the outside drainage channel 22 of cylinder sleeve 11, the spilled water hole 23 of impact anvil block 12 to connect with impact anvil block 12 center water hole, annular is empty
Liquid stream in chamber 19 is connected with the low-pressure area of the outside of outer tube 9, and liquid stream is more than in the fluid pressure that the lower surface of block stamp bar 10 is produced
The outside of block stamp bar 10, therefore, the upper and lower side of valve 7 living and the block stamp component upper and lower side production being made up of block stamp epimere joint 8, block stamp bar 10
Raw pressure differential.Because the mass of valve 7 living is much smaller than block stamp component, valve 7 living is up prior to block stamp component under pressure differential effect, works as work
When end face thereon and 3 shoulder lower plane butt of drainage tube are moved on on valve 7, the stop motion of valve 7 living.Then, block stamp component is in pressure difference
Under effect, motion upwards, when moving to the upper surface of block stamp bar 10 with the lower surface of valve 7 collision living, valve 7 living and the upper end of block stamp bar 10
Face binding face is in sealing state, is cut off by the free travel H fluid courses for flowing through the center of block stamp bar 10, in the external diameter of valve 7 living and punching
The annulus of the endoporus of hammer stem top connection 8 formation and the internal flow pressure of valve 7 living raise (water attack effect) suddenly, due to valve 7 living
Bottom shoulder 17 at annular area area presence, formed and valve 7 living pushed down on and block stamp component is pushed up into both direction phase
Anti- active force, under the two active forces in opposite direction, valve 7 living tightly fits together with block stamp bar 10, enhance valve,
The sealing effectiveness of hammer tip, it is ensured that water hammer experiment does not dissipate.Because center water route moment is cut off, huge surge pressure makes valve of living
7 and block stamp live valve module it is quickly downward, start stroke movement.
Because the interlocking-type of the present invention hammers valve system advantage into shape, liquid stream is in the shoulder area of valve 7 living and the ring of block stamp top connection 8
Interlocking power is formed on the upper surface of shape space, the interlocking power of mutual interlocking gear formation makes hydraulic impacter block stamp component with valve 7 living under
Hammer and valve keep combining closely in row stroke procedure, DL synchronization, will not produce midway and prematurely pop out phenomenon.When valve 7 living and punching
When hammer component goes downwards to the restraining position of spacing pad 5 together, the U-shaped card slot mouth of spacing pad 5 tangles valve 7 living, prevents valve 7 living from continuing
It is descending.Block stamp component departs from the lower surface of valve 7 living under inertia force effect and continued traveling downwardly, and covers free travel H, the bottom of block stamp bar 10
Anvil block 12 is impacted, impact force passes to the drill bit of hydraulic impacter by anvil block 12, carries out detritus acting.Now, due to block stamp
The upper surface of bar 10 and the lower surface of valve 7 living are departing from a segment distance H, and the center water route of hydraulic impacter is opened, started again next
Working cycles, go round and begin again, and block stamp bar 10 passes to punching of surging by transfer device with certain frequency and ballistic work impact anvil block 12
Hit at the drill bit of device, carry out detritus acting.In the up return stroke of block stamp, the moment that block stamp bar 10 is closed with valve 7 living, due to
The presence of power is interlocked, block stamp bar 10 can rapid closing, the huge water hammer experiment of generation, it is to avoid hammer, valve are touched in the prior art with valve 7 living
Resilience is produced when hitting closure causes hammer, valve closure not tight, reduces water hammer experiment, influences hydraulic impacter output performance.Hammer valve into shape mutual
Latch mechanism improves the sealing property of hydraulic impacter block stamp bar 10 and valve 7 living, improves waterpower utilization rate, improves punching of surging
Hit the service behaviour of device.
The present invention is explained in detail above in conjunction with drawings and examples, but the present invention is not limited to above-mentioned implementation
Example, in the knowledge that those of ordinary skill in the art possess, can also make on the premise of present inventive concept is not departed from
Go out various change.The content not being described in detail in the present invention can use prior art.
Claims (10)
1. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour, it is characterised in that：The interlocking-type hammers valve machine into shape
Structure includes top connection (1), drainage tube (3), positioning sleeve (4), spacing pad (5), upper guide sleeve (6), valve (7) living, block stamp bar epimere
Joint (8), outer tube (9), block stamp bar (10), lower cylinder sleeve (11) and impact anvil block (12), drainage tube (3) top is inserted in top connection
(1) in bottom, drainage tube (3) bottom is inserted in valve living (7) top, outer at the top of valve (7) living to be stuck in spacing pad in (5)；Drainage tube
(3) it is provided with positioning sleeve (4) between middle part boss bottom surface and spacing pad (5)；Valve (7) bottom living is provided with block stamp bar (10), valve living
(7) block stamp bar epimere joint (8), is cased with outside block stamp bar (10), valve (7) living is with there is the slip of block stamp bar epimere joint (8) endoporus
Coordinate, be fixedly connected at the top of block stamp bar (10) with block stamp epimere joint (8), block stamp bar (10) is constituted with block stamp epimere joint (8)
Block stamp component；Block stamp bar (10) bottom is provided with outside impact anvil block (12), block stamp bar (10) bottom and is cased with lower cylinder sleeve (11)；Outer tube
(9) top is enclosed on outside top connection (1) bottom, and outer tube (9) bottom is enclosed on impact anvil block (12) outside.
2. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 1, its feature
It is：Described top connection (1) and drainage tube (3) top are slidingly sealed structure using plug-in type, drainage tube (3) upper end external diameter and
Top connection (1) endoporus, which is slidingly sealed in the middle of cooperation, mating surface, is provided with sealing ring (2).
3. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 2, its feature
It is：Described top connection (1) is rigidly connected with outer tube (9) using screw thread.
4. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 3, its feature
It is：Described upper guide sleeve (6) is pyramidal structure, in the endoporus below the connection screw thread of outer tube (9) upper end, upper to be oriented to
Set (6) external diameter is slidingly sealed cooperation with outer tube (9) endoporus, and upper guide sleeve (6) is positioned by outer pipe orifice limited step, guide sleeve
(6) circumference is provided with side osculum (14).
5. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 4, its feature
It is：Described work valve (7) uses core valve type structure, and valve (7) living is arranged on block stamp component centre；Valve (7) center living has
Limbers, bottom lock, bottom surface is machined with counterbore, and hypomere side is provided with side osculum (16)；Valve (7) top endoporus living and drainage
Pipe (3) external diameter is slidingly sealed cooperation.
6. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 5, its feature
It is：Described work valve (7) epimere is " work " shape structure, and path part belongs to coaxial configuration, valve (7) " work " shape living with valve body external diameter
Structure path section is arranged in the U-shaped neck of spacing pad 5, and " u "-shaped neck hole coordinates with valve (7) path crest clearance living, valve living
(7) can be freely up and down movable in " u "-shaped neck, by under the upper end step of valve (7) " work " shape structure living along face and spacing pad
(5) " u "-shaped groove card upper surface carries out spacing.
7. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 6, its feature
It is：Described work valve (7) has bottom shoulder (17), and bottom shoulder (17) outside dimension is more than valve (7) valve body outer diameter ruler living
It is very little.
8. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 7, its feature
It is：The circular pad of " u "-shaped neck is provided with centered on described spacing pad (5).
9. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 8, its feature
It is：Described block stamp epimere joint (8) is with block stamp bar (10) using being threadedly coupled, and junction uses addendum cone containment type knot
Structure.
10. a kind of interlocking-type hammer valve system for improving hydraulic impacter service behaviour according to claim 9, its feature
It is：Described block stamp epimere joint (8) upper end outer circumferential is machined with longitudinal water guide sediment ejection trough (15)；Valve (7) lower surface living with
Block stamp bar (10) upper surface has a free travel to form toroidal cavity between H (18), block stamp bar (10) and outer tube (9)
(19) side drainage channel (22), is formed between lower cylinder sleeve (11) and outer tube (9), the middle and lower part of block stamp bar 10 has throttle orifice (21),
Impacting has spilled water hole (23) in the middle part of anvil block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452067.2A CN107165573B (en) | 2017-06-15 | 2017-06-15 | The interlocking-type hammer valve system of hydraulic impacter working performance can be improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452067.2A CN107165573B (en) | 2017-06-15 | 2017-06-15 | The interlocking-type hammer valve system of hydraulic impacter working performance can be improved |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165573A true CN107165573A (en) | 2017-09-15 |
| CN107165573B CN107165573B (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710452067.2A Active CN107165573B (en) | 2017-06-15 | 2017-06-15 | The interlocking-type hammer valve system of hydraulic impacter working performance can be improved |
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| CN (1) | CN107165573B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138888A (en) * | 2018-10-17 | 2019-01-04 | 中国石油化工股份有限公司 | Oil drilling waterpower low frequency impact device |
| CN111877978A (en) * | 2020-07-23 | 2020-11-03 | 重庆大学 | Hydraulic impactor |
| CN113585960A (en) * | 2021-08-05 | 2021-11-02 | 重庆大学 | Centre rotary valve type hydraulic impactor |
| CN114000841A (en) * | 2021-11-02 | 2022-02-01 | 核工业北京化工冶金研究院 | Punching device and punching method |
| CN114352188A (en) * | 2021-12-31 | 2022-04-15 | 核工业北京地质研究院 | Slide valve type valve control mechanism capable of improving working performance of hydraulic impactor |
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| CN103459094A (en) * | 2011-04-05 | 2013-12-18 | 阿特拉斯·科普柯凿岩设备有限公司 | Device and method for rock and concrete machining |
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| CN2118150U (en) * | 1992-05-19 | 1992-10-07 | 长春地质学院 | Hydraulic penetrating type impactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138888A (en) * | 2018-10-17 | 2019-01-04 | 中国石油化工股份有限公司 | Oil drilling waterpower low frequency impact device |
| CN111877978A (en) * | 2020-07-23 | 2020-11-03 | 重庆大学 | Hydraulic impactor |
| CN111877978B (en) * | 2020-07-23 | 2022-03-29 | 重庆大学 | Hydraulic impactor |
| 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 |
| CN114000841A (en) * | 2021-11-02 | 2022-02-01 | 核工业北京化工冶金研究院 | Punching device and punching method |
| CN114000841B (en) * | 2021-11-02 | 2024-06-04 | 核工业北京化工冶金研究院 | Punching device and punching method |
| CN114352188A (en) * | 2021-12-31 | 2022-04-15 | 核工业北京地质研究院 | Slide valve type valve control mechanism capable of improving working performance of hydraulic impactor |
| CN114352188B (en) * | 2021-12-31 | 2024-01-12 | 核工业北京地质研究院 | Slide valve type valve control mechanism capable of improving working performance of hydraulic impactor |
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| CN107165573B (en) | 2019-08-13 |
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