CN206246047U - High-frequency double-acting hydraulic impact device - Google Patents
High-frequency double-acting hydraulic impact device Download PDFInfo
- Publication number
- CN206246047U CN206246047U CN201621150384.6U CN201621150384U CN206246047U CN 206246047 U CN206246047 U CN 206246047U CN 201621150384 U CN201621150384 U CN 201621150384U CN 206246047 U CN206246047 U CN 206246047U
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- China
- Prior art keywords
- impact
- outer tube
- piston
- valve seat
- liquid stream
- 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.)
- Withdrawn - After Issue
Links
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 230000011664 signaling Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 3
- 239000011435 rock Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a high-frequency double-acting hydraulic impact device, which comprises an outer tube, wherein a reversing valve component and a piston which can axially reciprocate along the outer tube are sequentially arranged in the outer tube along the axial direction; the reversing valve assembly is used for controlling the connection and disconnection of the first impact cavity, the high-pressure liquid flow channel and the liquid discharge channel. The reversing valve assembly can be rapidly switched between high pressure and low pressure, so that the impact frequency and the impact power are optimized, and the drilling efficiency is improved.
Description
Technical field
The utility model is related to underground hard rock high speed drilling field, more particularly to a kind of high frequency double acting hydraulical impact dress
Put.
Background technology
Current underground hard-rock boring typically uses matrix drill bits or diamond bit to be constructed in the way of rotary drilling, exists
Drilling efficiency is low, it is serious to drill tool wear the shortcomings of.Comparatively speaking, Pneumatic immpacting rotary drilling improves drilling efficiency, but
Pneumatic immpacting rotary drilling can produce serious dust pollution.Not only drilling efficiency is high for hydraulical impact drilling, and will not produce
Dust pollution.But Hydro-efflux Hammer frequency of impact of the prior art and ballistic work are preferable not enough, have impact in hard-rock boring
Drilling efficiency.
Therefore, it is necessary to be improved to existing hydraulical impact drilling tool, optimize its frequency of impact and ballistic work, improve it
Drilling efficiency.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of high frequency double acting hydraulical impact device and its drilling tool,
Frequency of impact and ballistic work are high, and its drilling efficiency is fast.
It is disposed with vertically in high frequency double acting hydraulical impact device of the present utility model, including outer tube, outer tube and is changed
To valve module and can be along the piston of outer tube axially reciprocating；
High pressure liquid stream passage is disposed between the reversing valve assembly and outer tube wall, is provided with the reversing valve assembly
The first impact chamber for accommodating the liquid stream of impact piston advance, forms between the piston and outer tube wall for accommodating impact
Second impact chamber of the liquid stream of piston reset, the second impact chamber and the high pressure liquid stream channel connection, the reversing valve assembly and
Be provided with piston for discharge impact liquid stream apocenosis passage, the reversing valve assembly be used for control it is described first impact chamber with
The connection and disconnection of high pressure liquid stream passage and apocenosis passage.
Further, the reversing valve assembly includes the valve seat being arranged in outer tube, the valve element being arranged in valve seat and is used for
Valve element is driven along the valve element drive component of outer tube axially reciprocating.
Further, be provided between the valve element and valve seat with the high-pressure channel of the high pressure liquid stream channel connection and with institute
The first impact passage of the first impact chamber connection is stated, control high-pressure channel and the first impact are moved back and forth by valve element opposite valve seat
The connection or disconnection of passage.
Further, the current by pass connected with the apocenosis passage is additionally provided with the valve element, by valve element with respect to valve
Seat moves back and forth the connection or disconnection that can also control the first impact passage and current by pass.
Further, the valve element drive component includes being arranged in valve seat the of the liquid stream for accommodating impact valve core reset
Three impact chambers, are provided with the signalling channel of mutual cooperation on the piston and on the 3rd impact chamber, when piston movement stops to advancing
The 3rd impact chamber passes through signalling channel and the high pressure liquid stream channel connection during point.
Further, the valve seat includes main valve seat and the inner seat that is arranged within main valve seat, main valve seat and inner seat it
Between formed it is described first impact chamber, it is described 3rd impact chamber is arranged in main valve seat, main valve seat outer wall and the outer tube wall it
Between form the high pressure liquid stream passage.
Further, be additionally provided with piston bushing between the piston and the outer tube, the piston bushing and main valve seat it
Between be provided with inner tube, formed between said inner tube inwall and piston outer wall it is described second impact chamber.
Further, the high frequency double acting hydraulical impact device also includes being connected by reversing valve assembly one end with the outer tube
Tool joint and the drill bit that is connected by piston end with outer tube, the tool joint is used for jointed rod to the high frequency double acting
Hydraulical impact device provides high pressure liquid stream, and the high frequency double acting hydraulical impact device is used to drive drill bit axially to be bored along drilling rod
Enter.
Further, the filter for being filtered to high pressure liquid stream is provided with the tool joint.
Further, the spiral grooves for aiding in deslagging are provided with the outer wall of the outer tube.
The beneficial effects of the utility model：High frequency double acting hydraulical impact device of the present utility model, reversing valve assembly energy
It is switched fast between high-low pressure, optimizes frequency of impact and ballistic work, improves drilling efficiency.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Figure 1A-A to cutaway view Amplified image；
Fig. 3 is Figure 1B-B to cutaway view Amplified image；
Fig. 4 is Fig. 1 C-C to cutaway view Amplified image；
Fig. 5 is the partial enlarged drawing at D in Fig. 1 during valve core movement to advance stop；
Fig. 6 is the partial enlarged drawing at D in Fig. 1 during valve core movement to reset stop；
Fig. 7 is the partial enlarged drawing at E in Fig. 1；
Fig. 8 is the partial enlarged drawing at F in Fig. 1 during piston movement to advance stop；
Fig. 9 is the partial enlarged drawing at F in Fig. 1 during piston movement to reset stop.
Specific embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 be Figure 1A-A to cutaway view Amplified image, Fig. 3 is Figure 1B-B to section view
Enlarged drawing, Fig. 4 be Fig. 1 C-C to cutaway view Amplified image, Fig. 5 is the partial enlarged drawing at D during valve core movement to advance stop in Fig. 1,
Fig. 6 is the partial enlarged drawing at D in Fig. 1 during valve core movement to reset stop, and Fig. 7 is the partial enlarged drawing at E in Fig. 1, and Fig. 8 is
Partial enlarged drawing in Fig. 1 at F during piston movement to advance stop, Fig. 9 is in Fig. 1 at F during piston movement to reset stop
Partial enlarged drawing, as shown in the figure：High frequency double acting hydraulical impact device of the present utility model, including outer tube 11, edge in outer tube 11
Axially it is disposed with reversing valve assembly and can be along the piston 9 of outer tube axially reciprocating；
It is disposed between the reversing valve assembly and outer tube wall in high pressure liquid stream passage 15, the reversing valve assembly and is set
There is the first impact chamber 22 for accommodating the liquid stream of impact piston advance, formed for accommodating between the piston and outer tube wall
Second impact chamber 23 of the liquid stream that impact piston resets, the second impact chamber 23 connects with high pressure liquid stream passage 15, described to change
To the apocenosis passage 18 being provided with valve module and piston for discharging impact liquid stream, the reversing valve assembly is used to control institute
State the connection and disconnection in the first impact chamber 22 and high pressure liquid stream passage 15 and apocenosis passage 18.Reversing valve assembly can be using slip
Valve, also can use ball shape rotary valve, can also using in the prior art other can control the first impact chamber 22 and high pressure liquid stream
The connection of passage 15 and apocenosis passage 18 and disconnection reversing valve assembly, can realize the purpose of this utility model；
When the first impact chamber 22 connects with high pressure liquid stream passage 15 and disconnected with apocenosis passage 18, in the first impact chamber 22
Lifting surface area more than second impact chamber 23 in lifting surface area, high pressure liquid stream impact piston advance；When the first impact chamber 22
When being disconnected with high pressure liquid stream passage 15 and being connected with apocenosis passage 18, the liquid stream in the first impact chamber is discharged from apocenosis passage, because
And it is changed into low pressure in the first impact chamber, the high pressure liquid stream impact piston in the second impact chamber 23 resets.
In the present embodiment, the reversing valve assembly includes the valve seat being arranged in outer tube, the and of valve element 5 being arranged in valve seat
For driving valve element 5 along the valve element drive component of the axially reciprocating of outer tube 11, the valve element drive component can be driven using spring
It is dynamic, hydraulic-driven can be also used, other other drive components of the prior art can also be used, can realize the utility model
Purpose, valve element 5 can be made of tungsten-carbide powder is metallurgy sintered, and intensity is high, and wearability is good, the use longevity of elongated component
Life；Slided by valve element and liquid stream is switched over, switch speed is fast, be conducive to improving the frequency of impact of Hydro-efflux Hammer, and structure
Simply, it is easy to accomplish.
In the present embodiment, the high-pressure channel with the high pressure liquid stream channel connection is provided between the valve element 5 and valve seat
24 and with described first impact chamber connect first impact passage 25, by valve element opposite valve seat move back and forth control high-pressure channel
24 and first impact passage 25 connection and disconnection；
Inside the sinking in footpath scrobicular ring can be formed in the middle part of the outer wall of the valve element 5, be provided with the valve seat for coordinating with scrobicular ring
Bulge loop, bulge loop along outer tube axial direction both sides be respectively arranged with the high-pressure channel 24 that is connected with the high pressure liquid stream passage 15 and
The the first impact passage 25 connected with the described first impact chamber 22, is additionally provided with current by pass 26 on the valve element；Such as Fig. 5 institutes
Show, when valve element 5 moves to advance stop (the right stop i.e. in figure), high pressure liquid stream crosses valve element scrobicular ring and the from high-pressure channel 24
One impact passage 25 advances into the first impact impact piston 9 of chamber 22；As shown in fig. 6, when valve element 5 moves to reset stop (i.e.
Left stop in figure) when, the first impact passage 25 is connected (while the first impact passage 25 breaks with high-pressure channel 24 with current by pass 26
Open), the high pressure liquid stream in the first impact chamber 22 enters apocenosis passage 18 and caused for the first impact moment of chamber 22 by current by pass 26
It is changed into low pressure, the high pressure liquid stream impact piston in the second impact chamber 23 resets；Bulge loop can be also set on valve element, on valve seat
Scrobicular ring is set；This structure switch speed is fast, and can guarantee that the sealing in high pressure liquid stream passage and the first impact chamber after switching, structure
Simply, it is easy to accomplish.
In the present embodiment, the valve element drive component includes being arranged at the liquid stream for impacting valve core reset in valve seat for accommodating
The 3rd impact chamber 17, be provided with signalling channel 27 on the piston 9, be provided with the 3rd impact chamber and coordinated with signalling channel 27
Signalling channel 28；As shown in figure 8, the 3rd impact chamber 17 leads to when piston 9 moves to advance stop (the right stop i.e. in figure)
Cross signalling channel to be connected with the high pressure liquid stream passage 15, the high pressure liquid stream in high pressure liquid stream passage is from signalling channel 27 and signal
Passage 28 resets into the 3rd impact chamber 17 impact valve element 5；Valve element advance forward drive passes through high-pressure channel by high pressure liquid stream
24 direct drive valve elements advance；Liquid stream is controlled by signalling channel, just in piston movement to advance stop immediately by valve element
Reset, when piston does not move to advance stop, the 3rd impact chamber disconnects with high pressure liquid stream, and this structure can improve switching speed
Degree, further improves the reset speed of Hydro-efflux Hammer, improves operating efficiency, optimizes frequency of impact and ballistic work.
In the present embodiment, the valve seat includes main valve seat 7 and the inner seat 6 that is arranged within main valve seat, main valve seat 7 and interior
Formed between valve seat 6 it is described first impact chamber 22, it is described 3rd impact chamber is arranged in main valve seat 7, main valve seat outer wall with it is described
The high pressure liquid stream passage 15 is formed between outer tube wall, the 3rd punching connected with the 3rd impact chamber 18 is additionally provided with main valve seat
Passage 29 is hit, between 18 high pressure liquid stream is flowed through between main valve seat and inner seat by the 3rd impact passage 29 in the 3rd impact chamber
Gap impact valve element 5 resets；Processing and manufacturing, it is easy for installation.
In the present embodiment, piston bushing 10, the piston bushing 10 are additionally provided between the piston 9 and the outer tube 11
Inner tube 8 is provided between main valve seat 7, the second impact chamber 23 is formed between said inner tube inwall and piston outer wall；Piston
Bushing can ensure the volume of the sealing in the second impact chamber 23, piston bushing and the adjustable second impact chamber of inner tube.
In the present embodiment, the high frequency double acting hydraulical impact device also includes leaning on reversing valve assembly one end with the outer tube
The tool joint 1 of connection and the drill bit 14 being connected by piston end with outer tube, the tool joint are used for jointed rod to the height
Frequency double acting hydraulical impact device provides high pressure liquid stream, and the high frequency double acting hydraulical impact device is used to drive drill bit along brill
Bar axial drilling, is provided with guide seat 3 between tool joint 1 and valve seat, connected by spline housing 13 between drill bit 14 and outer tube 11
Connect, the snap ring 12 spacing to drill bit is additionally provided with outer tube wall；Realized to underground hard rock by tool joint 1 and drill bit 14
Drilling.
In the present embodiment, the filter 2 for being filtered to high pressure liquid stream is provided with the tool joint 1, such as
Shown in Fig. 2, filter 2 includes screen pack support tube 20, and filtering through hole 21 is provided with screen pack support tube 20, can also use
Other filters of the prior art；Liquid stream is changed by can effectively prevent coarse particulate matter therein from entering after filter
Valve element is scratched to valve module, so as to improve the functional reliability of drilling tool.
In the present embodiment, the spiral grooves 19 for aiding in deslagging are provided with the outer wall of the outer tube 11；Can the row of auxiliary
Slag, improves drilling efficiency.
In above example, direction of advance refers to point to the direction of drill bit axially away from reversing valve assembly along outer tube, is resetted
Direction refers to the direction opposite with direction of advance.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (10)
1. a kind of high frequency double acting hydraulical impact device, it is characterised in that：Including outer tube, it is disposed with vertically in outer tube and is changed
To valve module and can be along the piston of outer tube axially reciprocating；
High pressure liquid stream passage is disposed between the reversing valve assembly and outer tube wall, be provided with the reversing valve assembly for
The first impact chamber of the liquid stream that impact piston advances is accommodated, is formed for accommodating impact piston between the piston and outer tube wall
Second impact chamber of the liquid stream of reset, the second impact chamber and high pressure liquid stream channel connection, the reversing valve assembly and piston
On be provided with for discharge impact liquid stream apocenosis passage, the reversing valve assembly be used for control it is described first impact chamber and high pressure
The connection and disconnection of fluid course and apocenosis passage.
2. high frequency double acting hydraulical impact device according to claim 1, it is characterised in that：The reversing valve assembly includes
The valve seat that is arranged in the outer tube, the valve element being arranged in valve seat and for driving valve element along the valve of outer tube axially reciprocating
Core drive component.
3. high frequency double acting hydraulical impact device according to claim 2, it is characterised in that：Between the valve element and valve seat
The the first impact passage connected with the high-pressure channel of the high pressure liquid stream channel connection and with the described first impact chamber is provided with, is led to
Cross connection or disconnection that valve element opposite valve seat moves back and forth control high-pressure channel and the first impact passage.
4. high frequency double acting hydraulical impact device according to claim 3, it is characterised in that：It is additionally provided with the valve element
The current by pass connected with the apocenosis passage, being moved back and forth by the relatively described valve seat of valve element can also control first punching
Hit the connection or disconnection of passage and current by pass.
5. high frequency double acting hydraulical impact device according to claim 4, it is characterised in that：The valve element drive component bag
Include the 3rd impact chamber that the liquid stream for accommodating impact valve core reset is arranged in valve seat, on the piston and on the 3rd impact chamber
The signalling channel of mutual cooperation is provided with, the 3rd impact chamber passes through signalling channel and the height when piston movement to advance stop
Hydraulic fluid circulation road is connected.
6. high frequency double acting hydraulical impact device according to claim 5, it is characterised in that：The valve seat includes main valve seat
With the inner seat being arranged within main valve seat, the first impact chamber, the 3rd impact are formed between main valve seat and inner seat
Chamber is arranged in main valve seat, and the high pressure liquid stream passage is formed between main valve seat outer wall and the outer tube wall.
7. high frequency double acting hydraulical impact device according to claim 5, it is characterised in that：The piston and the outer tube
Between be additionally provided with piston bushing, inner tube is provided between the piston bushing and main valve seat, outside said inner tube inwall and piston
The second impact chamber is formed between wall.
8. the high frequency double acting hydraulical impact device according to claim 1-7 any claims, it is characterised in that：It is described
High frequency double acting hydraulical impact device also includes the tool joint and and the outer tube that are connected by reversing valve assembly one end with the outer tube
By the drill bit of piston end connection, the tool joint is used for jointed rod and provides high to the high frequency double acting hydraulical impact device
Hydraulic fluid stream, the high frequency double acting hydraulical impact device is used to drive drill bit along drilling rod axial drilling.
9. high frequency double acting hydraulical impact device according to claim 8, it is characterised in that：Set in the tool joint
There is the filter for being filtered to high pressure liquid stream.
10. high frequency double acting hydraulical impact device according to claim 9, it is characterised in that：On the outer wall of the outer tube
It is provided with the spiral grooves for aiding in deslagging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621150384.6U CN206246047U (en) | 2016-10-24 | 2016-10-24 | High-frequency double-acting hydraulic impact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621150384.6U CN206246047U (en) | 2016-10-24 | 2016-10-24 | High-frequency double-acting hydraulic impact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246047U true CN206246047U (en) | 2017-06-13 |
Family
ID=58996804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621150384.6U Withdrawn - After Issue CN206246047U (en) | 2016-10-24 | 2016-10-24 | High-frequency double-acting hydraulic impact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401461A (en) * | 2016-10-24 | 2017-02-15 | 中煤科工集团重庆研究院有限公司 | High-frequency double-acting hydraulic impact device |
| CN109541678A (en) * | 2018-12-21 | 2019-03-29 | 中国铁建重工集团有限公司 | A kind of seismic wave method continuously adjusts the seismic source apparatus of frequency of impact |
-
2016
- 2016-10-24 CN CN201621150384.6U patent/CN206246047U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401461A (en) * | 2016-10-24 | 2017-02-15 | 中煤科工集团重庆研究院有限公司 | High-frequency double-acting hydraulic impact device |
| CN106401461B (en) * | 2016-10-24 | 2019-02-26 | 中煤科工集团重庆研究院有限公司 | high-frequency double-acting hydraulic impact device |
| CN109541678A (en) * | 2018-12-21 | 2019-03-29 | 中国铁建重工集团有限公司 | A kind of seismic wave method continuously adjusts the seismic source apparatus of frequency of impact |
| CN109541678B (en) * | 2018-12-21 | 2023-12-12 | 中国铁建重工集团股份有限公司 | Earthquake source device for continuously adjusting impact frequency by earthquake method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20190226 |
|
| AV01 | Patent right actively abandoned |