CN109667535A - A kind of durable down-the-hole air hammer - Google Patents
A kind of durable down-the-hole air hammer Download PDFInfo
- Publication number
- CN109667535A CN109667535A CN201811538811.1A CN201811538811A CN109667535A CN 109667535 A CN109667535 A CN 109667535A CN 201811538811 A CN201811538811 A CN 201811538811A CN 109667535 A CN109667535 A CN 109667535A
- Authority
- CN
- China
- Prior art keywords
- hole
- piston
- air
- spring
- cylinder body
- 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.)
- Pending
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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
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G1/00—Spring motors
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
Abstract
The invention discloses a kind of durable down-the-hole air hammers, are related to impactor technical field；Including connector, the connector is mounted on cylinder body, is provided with non-return valve in first through hole inside the connector；Venthole is provided on the base bottom for being connected to the air-guide rod of cylinder interior；The air-guide rod is fixed in mounting base, and the non-return valve is mounted on mounting base upper end；The mounting base bottom is additionally provided with the guide collar for installing second spring, the cylinder interior is additionally provided with piston, the piston is slidably arranged in air-guide rod by third through-hole, the piston upper end is provided with the ring seat for cooperating with second spring, the third through-hole for being connected to the first pressure chamber is additionally provided on the piston, the first runner for being connected to the second pressure chamber is additionally provided on the piston, the drift mounting seat is mounted on cylinder interior.The present invention not only reduces energy dissipation, but also reduces the service life of the vibration raising equipment of equipment.
Description
Technical field
The present invention relates to impactor technical field, specifically a kind of durable down-the-hole air hammer.
Background technique
Down-the-hole air hammer is the component part of down-the-hole drill, belongs to the equipment of down-the-hole drill.Down-the-hole air hammer according to
Pressure difference is divided into low air-pressure down-the-hole hammer, middle air-pressure down-the-hole hammer and High air-pressure DTH hammer.It is widely used in
Pore-forming operation in various industries engineering, suitable for the wet operation of dry type, geomantic omen mixing and blasthole water burst, working performance can
It leans on, is current ideal Drilling blasthole equipment.
And existing piston of down-the-hole hammer is after the completion of to ram impacts, backhaul under the action of compressed air, still
In return stroke, piston is larger to the impact of impactor, so that the unnecessary vibration of equipment is excessive, reduces equipment and uses the longevity
Life, while causing unnecessary energy loss.
Summary of the invention
The purpose of the present invention is to provide a kind of durable down-the-hole air hammers, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of durable down-the-hole air hammer, including connector, the connector are mounted on cylinder body, inside the connector in first through hole
It is provided with non-return valve；
Venthole is provided on the base bottom for being connected to the air-guide rod of cylinder interior, the cylinder body is with air-guide rod
Hollow structure；The air-guide rod is fixed in mounting base, the air-guide rod bottom be provided with for second on piston
Runner or the second through-hole of first runner connection, the non-return valve are mounted on mounting base upper end；
The mounting base bottom is additionally provided with the guide collar for installing second spring, and the cylinder interior is additionally provided with piston,
The piston centre position is provided with third through-hole, and the piston is slidably arranged in air-guide rod by third through-hole, the work
End is provided with ring seat for cooperating with second spring beyond the Great Wall, and for being connected to the first pressure chamber is additionally provided on the piston
Three through-holes are additionally provided with the first runner for be connected to the second pressure chamber on the piston, and the first runner setting is second
The lower end of runner, the drift mounting seat for limiting formed punch is additionally provided on the cylinder body, and the drift mounting seat is mounted on cylinder
Internal portion, the formed punch are internally provided with the gas vent for being connected to the third through-hole on piston.
As a further solution of the present invention: the connector is by being threadably mounted on cylinder body.
As further scheme of the invention: the non-return valve includes the first spring, slide, gasket and pedestal, institute
Pedestal mounting base is stated in cylinder interior, the pedestal upper end is provided with the first groove for installing the first spring, and described first
Spring upper end is arranged inside slide, and the slide is slidably arranged in the first groove on first spring, the slide
Upper end is equipped with for the gasket with the cooperation of the seal receptacle of first through hole bottom.
As further scheme of the invention: the gasket rubber material is made, and the gasket assembly setting exists
Slide upper end.
As the present invention further scheme: overflow hole is additionally provided in the first through hole, inside the overflow hole
It is provided with the third spring for installing sealing plate, the sealing plate is movably arranged in the third groove on overflow hole.
As further scheme of the invention: restraining position ring block is arranged in the drift mounting seat.
As further scheme of the invention: setting is used for mounting temperature sensor and pressure sensor on the cylinder body
Third, fourth hole.
As further scheme of the invention: resilient cushion being arranged inside the third, fourth hole.
Compared with prior art, the beneficial effects of the present invention are: compressed air is by the first through hole on connector, then pass through
Non-return valve and air-guide rod enter to the first pressure chamber by second flow channel, so that piston upwards, the ring of piston upper end is done and the
The contact of two springs, second spring is squeezed and deformed, so that converting the kinetic energy of piston to the potential energy of second spring, works as piston motion
The through-hole of air-guide rod bottom is connected to first runner when to upper end, so that piston moves downward, while second spring also squeezes work
Potential energy in second spring is the kinetic energy of piston, realizes energy conversion, which not only reduces energy dissipation, but also subtracts by plug
The vibration for having lacked equipment improves the service life of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the durable down-the-hole air hammer of embodiment 1.
Fig. 2 is enlarged drawing at A in Fig. 1.
Fig. 3 is the structural schematic diagram of non-return valve in durable down-the-hole air hammer.
Fig. 4 is the structural schematic diagram of the durable down-the-hole air hammer of embodiment 2.
In figure: 1- connector, 11- first through hole, 12- overflow hole, 13- third spring, 14- sealing plate, 2- non-return valve, 21-
First spring, 22- slide, 23- gasket, 24- pedestal, 3- air-guide rod, the second through-hole of 31-, 4- piston, 41- first runner,
42- second flow channel, 43- third through-hole, 44- second spring, 45- mounting base, 46- first press chamber, 47- second to press chamber, 5- formed punch
Mounting base, 51- stop collar, 6- formed punch, 61- gas vent, 7- cylinder body, 71- temperature sensor, 72- pressure sensor.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention 1, a kind of durable down-the-hole air hammer, including connector 1, the connector 1 are installed
On cylinder body 7, the connector 1 is easy to disassemble on cylinder body 7 by being threadably mounted at, and sets in the 1 inside first through hole 11 of connector
It is equipped with non-return valve 2, the non-return valve 2 includes the first spring 21, slide 22, gasket 23 and pedestal 24, and the pedestal 24 is installed
For seat inside cylinder body 7,24 upper end of pedestal is provided with the first groove for installing the first spring 21, first spring 21
Upper end is arranged inside slide 22, and the slide 22 is slidably arranged in the first groove on first spring 21, the setting
Ensure that non-return valve 2 move linear type, guarantee sealing effect, 22 upper end of slide be equipped with for 11 bottom of first through hole
The gasket 23 of the seal receptacle cooperation in portion, 23 rubber material of gasket are made, and the assembly of gasket 23 is arranged in slide
22 upper ends, due to being easily damaged when gasket 23 back and forth cooperates with the seal receptacle in first through hole 11, which is convenient for sealing
Pad 23 is replaced, and can guarantee leakproofness.
Venthole is provided on 24 bottom of pedestal for being connected to the air-guide rod 3 cylinder body 7 inside, the cylinder body 7 and
Air-guide rod 3 is hollow structure；The air-guide rod 3 is fixed in mounting base 45, and 3 bottom of air-guide rod, which is provided with, to be used for
With on piston 4 second flow channel 42 or the second through-hole 31 that is connected to of first runner 41, the non-return valve 2 be mounted in mounting base 45
End, 45 bottom of mounting base is additionally provided with the guide collar for installing second spring 44, is additionally provided with work inside the cylinder body 7
Plug 4,4 center of piston are provided with third through-hole 43, and the piston 4 is slidably arranged in air-guide rod by third through-hole 43
In 3,4 upper end of piston is provided with the ring seat for cooperating with second spring 44, is additionally provided on the piston 4 for
One presses the third through-hole 43 of the connection of chamber 46, and the first runner 41 for being connected to the second pressure chamber 47 is additionally provided on the piston 4,
The lower end of second flow channel 42 is arranged in the first runner 41, and the formed punch peace for limiting formed punch 6 is additionally provided on the cylinder body 7
Seat 5 is filled, restraining position ring block 51 is arranged by being threadably mounted inside cylinder body 7 in the drift mounting seat 5 in the drift mounting seat 5,
For limiting 6 sliding position of formed punch, prevent formed punch 6 from losing, the formed punch 6 is internally provided with for logical with the third on piston 4
The gas vent 61 that hole 43 is connected to, just compressed air is discharged for the setting, and the rubble for being also beneficial to charge is washed away, applied convenient for next time
Work.
Compressed air passes through second flow channel 42 by the first through hole 11 on connector 1, then by non-return valve 2 and air-guide rod 3
The first pressure chamber 46 is entered to, so that piston 4 moves upwards, the ring of 4 upper end of piston is done to be contacted with second spring 44, by second spring
44 are squeezed and deformed, so that convert the kinetic energy of piston 4 to the potential energy of second spring 44, the air-guide rod 3 when piston 4 moves to upper end
The through-hole of bottom is connected to first runner 41, so that piston 4 moves downward, while also extrusion piston 4 of second spring 44, by second
Potential energy in spring 44 is the kinetic energy of piston 4, realizes energy conversion, which not only saves energy, but also reduces equipment
Vibration improve equipment service life.
Overflow hole 12 is additionally provided in the first through hole 11, the overflow hole 12 is internally provided with for installing sealing plate
14 third spring 13, the sealing plate 14 are movably arranged in the third groove on overflow hole 12, which presses when in cylinder body 7
Connector 14 is opened and is depressured by air pressure when power is excessive, under the action of under normal barometric pressure in third spring 13 sealing plate 14 with
The contact of third bottom portion of groove, overflow hole 12 is sealed.
Embodiment 2
Referring to Fig. 4, the main distinction of the present embodiment 2 and embodiment 1 is to be arranged on the cylinder body 7 for installing temperature sensing
The third of device 71 and pressure sensor 72, fourth hole, the third, fourth hole inside are arranged resilient cushion, resilient cushion are arranged
Convenient for improving service life of equipment, be arranged temperature sensor 71 and pressure sensor 72 convenient for the internal temperature of monitoring cylinder body 7 and
Pressure.
The working principle of the invention is:
Compressed air is entered by the first through hole 11 on connector 1, then by non-return valve 2 and air-guide rod 3 by second flow channel 42
To the first pressure chamber 46, so that piston 4 moves upwards, the ring of 4 upper end of piston is done to be contacted with second spring 44, and second spring 44 is squeezed
Compressive strain, so that convert the kinetic energy of piston 4 to the potential energy of second spring 44,3 bottom of air-guide rod when piston 4 moves to upper end
Through-hole be connected to first runner 41 so that piston 4 moves downward, while also extrusion piston 4 of second spring 44, by second spring
Potential energy in 44 is the kinetic energy of piston 4, realizes energy conversion, which not only saves energy, but also reduces the shake of equipment
The dynamic service life for improving equipment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of durable down-the-hole air hammer, including connector (1), the connector (1) are mounted on cylinder body (7), the connector (1)
Non-return valve (2) are provided in internal first through hole (11)；
It is provided with venthole on pedestal (24) bottom to be connected to for the air-guide rod (3) internal with cylinder body (7), the cylinder body
It (7) is hollow structure with air-guide rod (3)；The air-guide rod (3) is fixed on mounting base (45), the air-guide rod (3)
Bottom be provided with for the second flow channel (42) or the second through-hole (31) for being connected to of first runner (41) on piston (4), it is described
Non-return valve (2) is mounted on mounting base (45) upper end；
It is characterized in that, mounting base (45) bottom is additionally provided with the guide collar for installing second spring (44), the cylinder
It is additionally provided with piston (4) inside body (7), piston (4) center is provided with third through-hole (43), and the piston (4) is logical
It crosses third through-hole (43) to be slidably arranged in air-guide rod (3), piston (4) upper end is provided with for matching with second spring (44)
The ring seat of conjunction is additionally provided with the third through-hole (43) for being connected to the first pressure chamber (46), the piston on the piston (4)
(4) first runner (41) for being connected to the second pressure chamber (47) is additionally provided on, the first runner (41) is arranged second
The lower end of runner (42) is additionally provided with the drift mounting seat (5) for limiting formed punch (6), the formed punch peace on the cylinder body (7)
Dress seat (5) is mounted on cylinder body (7) inside, and the formed punch (6) is internally provided with for connecting with the third through-hole (43) on piston (4)
Logical gas vent (61).
2. durable down-the-hole air hammer according to claim 1, which is characterized in that the connector (1) is installed by screw thread
On cylinder body (7).
3. durable down-the-hole air hammer according to claim 1, which is characterized in that the non-return valve (2) includes the first bullet
Spring (21), slide (22), gasket (23) and pedestal (24), pedestal (24) mounting base is internal in cylinder body (7), the pedestal
(24) upper end is provided with the first groove for installing the first spring (21), and the first spring (21) upper end is arranged in slide
(22) internal, the slide (22) is slidably arranged in the first groove on first spring (21), on the slide (22)
End is equipped with for the gasket (23) with the cooperation of the seal receptacle of first through hole (11) bottom.
4. durable down-the-hole air hammer according to claim 2, which is characterized in that gasket (23) the rubber material system
At gasket (23) assembly is arranged in slide (22) upper end.
5. durable down-the-hole air hammer according to claim 1, which is characterized in that also set up on the first through hole (11)
Have overflow hole (12), the overflow hole (12) is internally provided with the third spring (13) for installing sealing plate (14), described close
Sealing plate (14) is movably arranged in the third groove on overflow hole (12).
6. durable down-the-hole air hammer according to claim 1, which is characterized in that be arranged on the drift mounting seat (5)
Restraining position ring block (51).
7. a kind of durable down-the-hole air hammer as described in claim 1-6 is any, which is characterized in that set on the cylinder body (7)
Set third, the fourth hole for mounting temperature sensor (71) and pressure sensor (72).
8. durable down-the-hole air hammer according to claim 7, which is characterized in that set inside the third, fourth hole
Set resilient cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538811.1A CN109667535A (en) | 2018-12-17 | 2018-12-17 | A kind of durable down-the-hole air hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538811.1A CN109667535A (en) | 2018-12-17 | 2018-12-17 | A kind of durable down-the-hole air hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109667535A true CN109667535A (en) | 2019-04-23 |
Family
ID=66144400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811538811.1A Pending CN109667535A (en) | 2018-12-17 | 2018-12-17 | A kind of durable down-the-hole air hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667535A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102528759A (en) * | 2012-02-08 | 2012-07-04 | 王建华 | Multipurpose pneumatic impactor |
| AU2015101848A4 (en) * | 2014-12-26 | 2016-02-18 | Yichang Wuhuan Rock Drilling Tools Co., Ltd | Down-the-Hole Impactor |
| CN207278184U (en) * | 2017-10-16 | 2018-04-27 | 长沙超金刚机械制造有限公司 | Down-the-hole air hammer piston |
| CN208040298U (en) * | 2018-09-27 | 2018-11-02 | 长沙天和钻具机械有限公司 | A kind of deep-well impactor |
-
2018
- 2018-12-17 CN CN201811538811.1A patent/CN109667535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102528759A (en) * | 2012-02-08 | 2012-07-04 | 王建华 | Multipurpose pneumatic impactor |
| AU2015101848A4 (en) * | 2014-12-26 | 2016-02-18 | Yichang Wuhuan Rock Drilling Tools Co., Ltd | Down-the-Hole Impactor |
| CN207278184U (en) * | 2017-10-16 | 2018-04-27 | 长沙超金刚机械制造有限公司 | Down-the-hole air hammer piston |
| CN208040298U (en) * | 2018-09-27 | 2018-11-02 | 长沙天和钻具机械有限公司 | A kind of deep-well impactor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190423 |