CN106285457B - The air quantity of down-the-hole air hammer automatically adjusts distributor - Google Patents
The air quantity of down-the-hole air hammer automatically adjusts distributor Download PDFInfo
- Publication number
- CN106285457B CN106285457B CN201610934808.6A CN201610934808A CN106285457B CN 106285457 B CN106285457 B CN 106285457B CN 201610934808 A CN201610934808 A CN 201610934808A CN 106285457 B CN106285457 B CN 106285457B
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- CN
- China
- Prior art keywords
- air
- air quantity
- hole
- spring
- sealing valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
Abstract
The invention discloses the air quantity of down-the-hole air hammer to automatically adjust distributor, including the central aeration pipe for being arranged in outer tube and being connect with top connection, piston, it is provided with the self-checking device that deslagging is carried out for controlling air quantity in the end of central aeration pipe, high pressure gas realizes that the high-frequency high-speed of piston back and forth do work movement and delivery of bailing air adjusting by top connection and central aeration pipe and self-checking device.The present invention automatically adjusts air distributing device by air quantity and replaces the automatic adjustment that delivery of bailing air can be realized in regulating the qi flowing in the channels plug without tearing machine open, gas passing area can be automatically adjusted according to the pressure of gas, achieve the purpose that increase or reduce tolerance, it is simple in structure, without regulating the qi flowing in the channels plug is needed to change, intensity is high, cooperation is stablized and more easy care.
Description
Technical field
The present invention relates to mining machinery technical field, the air quantity automatic adjustment distribution of specifically a kind of down-the-hole air hammer
Device.
Background technology
The quick down-the-hole air hammer of Vehicles Collected from Market is mainly used in mine blasting, water well earth source, hill excavating and offshore filling engineering etc.,
Market is higher and higher to the efficiency requirements of product.
The impactor of conventional type realizes that the impact of impactor is done work mainly by the distribution effect of inner casing and piston, with routine
For A series, piston other than an intermediate through-hole, itself without other holes exist among piston, piston move up and down according to
Coordinate by inner casing and outside piston air flue, to make piston form reciprocating motion, the high pressure gas of piston motion between front and back room
Enter the front and back room of piston by the cavity between inner casing and outer tube.
In addition, the regulating the qi flowing in the channels plug of conventional impactor is single part, adjusted tolerance and need to take out and replaced, together
Sample is time-consuming and laborious, and larger economic loss and duration is caused to influence.
Invention content
The technical problem to be solved by the present invention is to be replaced to solve conventional impactor adjusting tolerance and need to take out
Time-consuming and laborious problem provides a kind of down-the-hole air hammer that simple in structure, nothing is needed to change, automatically adjusted
Air quantity automatically adjust distributor.
To solve the above-mentioned problems, the present invention uses following technical scheme：
The air quantity of down-the-hole air hammer automatically adjusts distributor, including is arranged in outer tube and is connect with top connection, piston
Central aeration pipe, the self-checking device that deslagging is carried out for controlling air quantity, high pressure are provided in the end of central aeration pipe
Gas is realized that the high-frequency high-speed of piston back and forth do work by top connection and central aeration pipe and self-checking device and is moved and deslagging
Air quantity is adjusted.
It is that the present invention advanced optimizes said program below：
Self-checking device includes being internally provided with the sealing valve that location hole of the spring section is U-shaped, one end of sealing valve
It is provided with the step for limit.
It advanced optimizes：The other end of sealing valve is arranged in spring base, and sealing valve can be under the action of high pressure gas
Spring base slides.
It advanced optimizes：The outer circumference surface of the sealing valve is the cylindrical surface coordinated with spring base.
It advanced optimizes：It is spaced apart on the cylindrical surface to be evenly arranged with multiple rows of hole for ventilation.
It advanced optimizes：Packing spring for controlling sealing valve position is installed in the location hole of the spring, seals bullet
The other end of spring is located in Packing spring seat.
It advanced optimizes：The end set of the Packing spring seat is useful for the baffle ring of location sealing spring base.
Air quantity automatically adjusts air distributing device when in use, when high pressure gas enters central aeration pipe, when gas pressure is more than
When setting value, at this time no need to increase delivery of bailing air, for high pressure gas compression seal valve completely into Packing spring seat, gas is complete
Gas channel is crossed from strip to be discharged, with being continuously increased for drilling well rice number, the actual use pressure of impactor gradually reduces；Work as reduction
To certain phase, when being less than the thrust of spring at this stage using pressure, spring pushes sealing valve displacement certain distance, reveals at this time
Go out the first round, high pressure gas divides gas to carry out deslagging by the first round distributary division；When pressure is again lowered to certain phase
When, spring continues to press on sealing valve displacement, exposes second row, third round etc. according to displacement, increases mud hole indirectly
Gas passing area, achieve the purpose that increase tolerance.
The present invention by air quantity automatically adjust air distributing device be not necessarily to tear open machine replace regulating the qi flowing in the channels plug can be realized delivery of bailing air from
It is dynamic to adjust, gas passing area can be automatically adjusted according to the pressure of gas, achieve the purpose that increase or reduce tolerance, it is simple in structure,
Without regulating the qi flowing in the channels plug is needed to change, intensity is high, cooperation is stablized and more easy care.
The invention will be further described with reference to the accompanying drawings and examples.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of down-the-hole air hammer of the embodiment of the present invention；
Attached drawing 2 is the structural schematic diagram of air quantity of embodiment of the present invention automatic adjustment distributor；
Attached drawing 3 is the high pressure conditions figure of air quantity of embodiment of the present invention automatic adjustment distributor；
Attached drawing 4 is the low-pressure state figure of air quantity of embodiment of the present invention automatic adjustment distributor；
Attached drawing 5 is the low-pressure state figure of air quantity of embodiment of the present invention automatic adjustment distributor；
Attached drawing 6 is the low-pressure state figure of air quantity of embodiment of the present invention automatic adjustment distributor.
In figure：1- top connections；2- non-return valves；5- central aeration pipes；6- self-checking devices；7- pistons；8- outer tubes；Before 9-
Room；10- rear chambers；11- drill bits；12- axis pins；51- strips cross gas channel；The first gas distribution channels of 71-；The second gas distribution channels of 72-；
73- central passages；601- sealing valves；602- Packing springs；603- Packing spring seats；604- baffle rings；The cylindrical surfaces 605-；606-
Hole.
Specific implementation mode
Embodiment, as shown in Figure 1 and Figure 2, the air quantity of down-the-hole air hammer automatically adjust distributor, including are arranged in outer tube 8
Central aeration pipe 5 that is interior and being connect with top connection 1, piston 7, be provided in the end of central aeration pipe 5 for control air quantity into
The self-checking device 6 of row deslagging, high pressure gas realize piston 7 by top connection 1 and central aeration pipe 5 and self-checking device
High-frequency high-speed back and forth do work movement and delivery of bailing air adjust.
The self-checking device 6 includes being internally provided with the sealing valve 601 that location hole of the spring section is U-shaped, sealing
One end of valve 601 is provided with the step for limit.
The other end of the sealing valve 601 is arranged in spring base 603, and sealing valve 601 can under the action of high pressure gas
It is slided in spring base 603.
The outer circumference surface of the sealing valve 601 is the cylindrical surface 605 coordinated with spring base 603.
It is spaced apart on the cylindrical surface 605 to be evenly arranged with multiple rows of hole 606 for ventilation.
Packing spring 602 for controlling 601 position of sealing valve, Packing spring 602 are installed in the location hole of the spring
The other end be located in Packing spring seat 603.
Aperture, quantity and the number of rows in the hole 606 can be adjusted use according to requirements.
The end set of the Packing spring seat 603 is useful for the baffle ring 604 of location sealing spring base 603.
When the self-checking device 6 is safeguarded, baffle ring 604 need to only be dismantled, take out successively Packing spring seat 603,
Packing spring 602 and sealing valve 601.
There is venthole in position corresponding with self-checking device 6 in the central aeration pipe 5.
The position of ventilatory capacity self-checking device is provided with multiple strips on the central aeration pipe 5 and crosses gas channel
51。
It is fixedly connected by axis pin 12 between the central aeration pipe 5 and top connection 1, the other end position of central aeration pipe 5
In in piston 7.
Rear chamber 10 is formed in the outer tube 8 between top connection 1 and piston 7, is set positioned at the position of 7 side of piston in outer tube 8
It is equipped with guide sleeve 13, forms cup 9 between piston 7 and guide sleeve 13.
It is spaced apart on the piston 7 to be obliquely installed the first distribution duct 71 for being useful for distribution and the second air distribution hole
Road 72, and be connected to respectively with central passage 73.
The axial length that the strip crosses gas channel 51 is less than the first distribution duct 71 and the second distribution duct 72 in piston 7
Between axial distance.
Be separately provided for the central passage blown by force 73 on the piston 7 and 11 axle center of drill bit, and 7 downlink of piston with
Drill bit 11 is connected to when contacting.
The air quantity automatically adjusts air distributing device when in use, as shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, during high pressure gas enters
When heart snorkel 5, when gas pressure is more than setting value, no need to increase delivery of bailing air, high pressure gas compression seal valves 601 at this time
Completely into Packing spring seat 603, gas is crossed gas channel 51 from strip completely and is discharged, with being continuously increased for drilling well rice number,
The actual use pressure of impactor gradually reduces；When being reduced to certain phase, it is less than the pushing away at this stage of spring 602 using pressure
When power, spring 602 pushes 601 displacement certain distance of sealing valve, exposes the first round at this time, and high pressure gas passes through the first round point
Stream part gas carries out deslagging；When pressure is again lowered to certain phase, spring 602 continues to press on 601 displacement of sealing valve, root
Expose second row, third round etc. according to displacement, increases the gas passing area of mud hole indirectly, reach the mesh for increasing tolerance
's.
In use, after high pressure gas enters top connection 1, high pressure gas compresses the spring 3 of non-return valve 2, opens for normal operation
Non-return valve 2 is opened, high pressure gas is entered by multiple gas channels 106 of crossing of spring base 4 in central aeration pipe 5 later, automatic adjustment
The position that device 6 adjusts sealing valve 601 by the pressure of gas carries out deslagging, while high pressure gas passes through central aeration pipe 5
Strip crosses gas channel 51 and enters the first distribution duct 71 on piston 7, in the second distribution duct 72；When 7 downlink of piston, strip mistake
When gas channel 51 is located at 7 upper end of piston, strip is crossed gas channel 51 and is connected to the second distribution duct 72, and high pressure gas is matched by second
Stomata road 72 enters cup 9, and to push 7 uplink of piston, when 7 uplink of piston, strip crosses gas channel 51 and is located at 7 middle part of piston
When, high pressure gas is entered by the first distribution duct 71 in rear chamber 10, to push 7 downlink of piston, is moved in circles, is utilized piston
7 are located at the different location in outer tube 8, realize that high pressure gas is entered by the first distribution duct 71, the second distribution duct 72 and live
The cup 9 and rear chamber 10 for filling in distribution realize that the high-frequency high-speed of piston back and forth does work movement.
The present invention by air quantity automatically adjust air distributing device be not necessarily to tear open machine replace regulating the qi flowing in the channels plug can be realized delivery of bailing air from
It is dynamic to adjust, gas passing area can be automatically adjusted according to the pressure of gas, achieve the purpose that increase or reduce tolerance, it is simple in structure,
Without regulating the qi flowing in the channels plug is needed to change, intensity is high, cooperation is stablized and more easy care.
Claims (5)
1. the air quantity of down-the-hole air hammer automatically adjusts distributor, including is arranged in outer tube（8）Interior and and top connection（1）, piston
（7）The central aeration pipe of connection（5）, it is characterised in that：Central aeration pipe（5）End in be provided with for control air quantity carry out
The self-checking device of deslagging（6）, high pressure gas passes through top connection（1）With central aeration pipe（5）It is realized with self-checking device
Piston（7）High-frequency high-speed back and forth do work movement and delivery of bailing air adjust；
Self-checking device（6）Including being internally provided with the sealing valve that location hole of the spring section is U-shaped（601）, sealing valve
（601）One end be provided with the step for limit；
Sealing valve（601）The other end be arranged in spring base（603）It is interior, sealing valve（601）It can be under the action of high pressure gas
Spring base（603）Sliding.
2. the air quantity of down-the-hole air hammer according to claim 1 automatically adjusts distributor, it is characterised in that：Sealing valve
（601）Outer circumference surface be and spring base（603）The cylindrical surface of cooperation（605）.
3. the air quantity of down-the-hole air hammer according to claim 2 automatically adjusts distributor, it is characterised in that：Cylindrical surface
（605）It is above spaced apart to be evenly arranged with multiple rows of hole for ventilation（606）.
4. the air quantity of down-the-hole air hammer according to claim 2 automatically adjusts distributor, it is characterised in that：Spring positioning
It is equipped in hole for controlling sealing valve（601）The Packing spring of position（602）, Packing spring（602）The other end be located at it is close
Seal spring base（603）It is interior.
5. the air quantity of down-the-hole air hammer according to claim 4 automatically adjusts distributor, it is characterised in that：Packing spring
Seat（603）End set be useful for location sealing spring base（603）Baffle ring（604）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934808.6A CN106285457B (en) | 2016-11-01 | 2016-11-01 | The air quantity of down-the-hole air hammer automatically adjusts distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934808.6A CN106285457B (en) | 2016-11-01 | 2016-11-01 | The air quantity of down-the-hole air hammer automatically adjusts distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285457A CN106285457A (en) | 2017-01-04 |
| CN106285457B true CN106285457B (en) | 2018-09-18 |
Family
ID=57720010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610934808.6A Active CN106285457B (en) | 2016-11-01 | 2016-11-01 | The air quantity of down-the-hole air hammer automatically adjusts distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106285457B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530408A (en) * | 1983-03-28 | 1985-07-23 | Toutant Roland J | Porting system for pneumatic impact hammer |
| IT1220559B (en) * | 1988-03-29 | 1990-06-15 | Bbw Srl | PULL MASS DRILLING MACHINE WITH BOTTOM DISCHARGE HEADS OR INTERCHANGE SIDE DISCHARGE |
| CN101575941A (en) * | 2009-06-04 | 2009-11-11 | 宜昌市五环钻机具有限责任公司 | Valveless single-cylinder low or middle wind pressure downhole air hammer |
| CN203547523U (en) * | 2013-10-29 | 2014-04-16 | 长沙天和钻具机械有限公司 | Down-hole hammer for high-air-pressure drilling machine drilling work |
| CN203603758U (en) * | 2013-11-25 | 2014-05-21 | 长沙天和钻具机械有限公司 | High-frequency impactor |
| CN206129143U (en) * | 2016-11-01 | 2017-04-26 | 山东中瑞工程机械有限公司 | Downhole air hammer's amount of wind automatically regulated distributor |
-
2016
- 2016-11-01 CN CN201610934808.6A patent/CN106285457B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106285457A (en) | 2017-01-04 |
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