CN208845097U - A kind of composite impact drilling speed device - Google Patents
A kind of composite impact drilling speed device Download PDFInfo
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- CN208845097U CN208845097U CN201820898741.XU CN201820898741U CN208845097U CN 208845097 U CN208845097 U CN 208845097U CN 201820898741 U CN201820898741 U CN 201820898741U CN 208845097 U CN208845097 U CN 208845097U
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Abstract
The utility model relates to a kind of composite impact drilling speed devices, including lower connector, upper connection, side knock generating assembly and impact of collision generating assembly, side knock generating assembly includes lower case, lower body inner sleeve, side knock reversing tube, side knock hammer, lower cover, upper end cover, connector and lower shutoff ring；Impact of collision generating assembly includes upper body, impact of collision reversing tube, impact of collision hammer, intermediate sleeve and throttling set.When the utility model at work, the cross torsion impact force and axial impact force of certain frequency can be generated to drill bit, the effect of forming a kind of impact of three-dimensional motion, so as to assist drill bit broken rock, drill bit rock breaking capacity is improved, is improved in, the bit speed and drilling efficiency of hard formation, while being able to solve viscous, sliding, the bit freezing problem of PDC drill bit, the torsion concussion for slowing down down-hole equipment, to extend drilling life of bit.
Description
Technical field
The utility model relates to a kind of drilling speed tools, specifically about a kind of composite impact drilling speed device.
Background technique
PDC (composite polycrystal-diamond) drill bit is a kind of geological drilling industry commonly drilling tool, but existing PDC
Drill bit has following two aspect in use: 1) in drilling process, usually there is viscous, sliding, bit freezing phenomenon in drill bit,
Once this situation occurs, drill string torsional deflection will lead to, when torque gathers to a certain extent, external force disappearance causes torque fast
Quick-release is put, and drill string torsional oscillation, this engineering problem is more serious, and entire drilling process can be made unstable；Meanwhile above situation
The combined cut piece be easy to causeing on PDC drill bit collapses tooth, and PDC drill bit is caused to fail, and reduces bit life, also easily makes drill bit loose
Button induces down-hole accident, reduces drilling efficiency to a certain extent.2) for compared with complexity such as hard formation or abrasive layers
The depth of tooth penetration on stratum, drill bit is inadequate, is unable to satisfy the requirement to drilling depth, and rate of penetration is to be improved.
Currently, all kinds of drilling well percussion tools used in drillng operation are typically only capable to generate axial impact force, not only not
It can solve drill bit to glue, slide, bit freezing phenomenon, the unstable drilling of aggravation can shorten bit life instead.In the prior art, it reverses
Surge generator generates high-frequency torsional pulse using turbine drives jump bit, and torsional impact drilling tool is driven using helicoid hydraulic motor
Jump bit, both drilling tools can generate torsional pulse power.But it is bored when only generating torsional pulse power auxiliary bit operation
The raising of well speed and drilling efficiency is very limited, and drill bit rock breaking capacity is poor when encountering the hard objects such as rock.
Summary of the invention
In view of the above problems, the object of the present invention is to provide one kind can either improve rate of penetration, and can reduce
Drill string torsion concussion, to extend the composite impact drilling speed device of drilling life of bit.
To achieve the above object, the utility model takes following technical scheme: a kind of composite impact drilling speed device, packet
Include lower connector (1), upper connection (3), side knock generating assembly and impact of collision generating assembly, it is characterised in that: described
Side knock generating assembly includes lower case (6), lower body inner sleeve (611), side knock reversing tube (5), side knock hammer
(4), lower cover (2), upper end cover (7), connector (612) and lower shutoff ring (19)；The impact of collision generating assembly includes upper
Portion's shell (12), impact of collision reversing tube (14), impact of collision hammer (13), intermediate sleeve (15) and throttling set (10)；Wherein, institute
Stating lower body inner sleeve (611) is hollow cylinder, is fixed in the lower case (6) by the connector (612)；It is described
The lower end of lower body inner sleeve (611) and the lower connector (1) thread connection, upper end and the upper body (12) thread connection；
The upper end cover (7) and lower cover (2) are separately mounted to the upper and lower ends of the lower body inner sleeve (611), described lower internal
It covers and forms side knock cavity in (611), be sequentially installed with the side knock from inside to outside in the side knock cavity and change
To pipe (5) and side knock hammer (4), and side knock hammer (4) can be in the driving lower edge of the side knock reversing tube (5)
Own axes make rotary reciprocating motion；The first low pressure liquid channel (55) is formed in the side knock reversing tube (5), it is described
Lower shutoff ring (19) is mounted on the lower end of side knock reversing tube (5)；The intermediate sleeve (15) is fixedly connected on the upper case
Form impact of collision chamber in body (12) and between the two, the impact of collision hammer (13) be set on the intermediate sleeve (15) and
It can be mobile along the axial reciprocating of the intermediate sleeve (15)；Impact of collision reversing tube (14) setting is in the intermediate sleeve (15)
And connect and rotate synchronously with the side knock reversing tube (5), it is formed in the impact of collision reversing tube (14) and described the
The highly pressurised liquid channel (144) of one low pressure liquid channel (55) connection, the impact of collision reversing tube (14) and the intermediate sleeve
(15) the second low pressure liquid channel (153) is formed between；The throttling set (10) is mounted on the impact of collision commutation
(14) are managed close to one end of the side knock reversing tube (5), and the throttling set (10) is connected to first low pressure liquid
Channel (55) and highly pressurised liquid channel (144).
In a preferred embodiment, the impact of collision chamber is separated into first longitudinal direction by the impact of collision hammer (13)
Chamber (121) and second longitudinal direction impact chamber (122) are impacted, is provided on the intermediate sleeve (15) and impacts chamber with the first longitudinal direction
(121) the corresponding first longitudinal direction intercommunicating pore (151) in position and corresponding with second longitudinal direction impact chamber (122) position the
Two vertical communication holes (152), the first longitudinal direction intercommunicating pore (151) and second longitudinal direction intercommunicating pore (152) are along the intermediate sleeve
(15) circumferential misalignment setting；It is provided on the impact of collision reversing tube (14) and matches with the first longitudinal direction intercommunicating pore (151)
The first longitudinal direction communicating pipe (141) of conjunction and the second longitudinal direction communicating pipe cooperated with the second longitudinal direction intercommunicating pore (152)
(142), the first longitudinal direction communicating pipe (141) and the end of second longitudinal direction communicating pipe (142) with the intermediate sleeve (15)
Inner wall fits；Connection first low pressure liquid channel (55) and second is additionally provided on the impact of collision reversing tube (14)
The third vertical communication pipe (143) in low pressure liquid channel (153).
In a preferred embodiment, the impact of collision reversing tube (14) is corresponded in the upper body (12)
It is provided at first end connector sleeve (9), shape after the first end cooperation of the connector sleeve (9) and the impact of collision reversing tube (14)
At first annular slot, the second ring is formed after the second end of the impact of collision reversing tube (14) and the intermediate sleeve (15) cooperation
Shape slot is provided with ball (8) in the first annular slot and the second annular groove.
In a preferred embodiment, the circumferential side wall of the throttling set (10) and the impact of collision reversing tube
(14) inner circumferential side wall matches, and is arranged between the throttling set (10) and the impact of collision reversing tube (14)
There are sealing ring (22).
In a preferred embodiment, it is symmetrically provided with outside first and rushes in the outside wall surface of the side knock hammer (4)
It taps the head (41) and the second outer impact head (42), and the circumferential direction of the first outer impact head (41) and the second outer impact head (42)
Inner wall of the outer wall with the lower case (6) fits, and the two sides of the first outer impact head (41) circumferentially are formed with
One lateral external pressure chamber (61) and the second lateral external pressure chamber (62), the two sides of the second outer impact head (42) circumferentially are formed with
Third transverse direction external pressure chamber (63) and the 4th lateral external pressure chamber (64)；
Meanwhile it being symmetrically provided in impact head in first (43) and second on the inner wall of the side knock hammer (4)
Impact head (44), and the peripheral outer wall of impact head (44) is laterally rushed with described in impact head (43) and second in described first
The outer wall for hitting reversing tube (5) fits, and the two sides of impact head (43) circumferentially are formed with the first lateral internal pressure chamber in described first
(51) and the second lateral internal pressure chamber (52), the two sides of impact head (44) circumferentially are formed with third transverse direction internal pressure chamber in described second
(53) and the 4th lateral internal pressure chamber (54).
In a preferred embodiment, the described first lateral external pressure chamber is located on the inner wall of the lower case (6)
(61) between third transverse direction external pressure chamber (63) and the second lateral external pressure chamber (62) and the 4th transverse direction external pressure chamber (64)
Between be symmetrically provided with two groups into apocenosis passage (65), it is logical into apocenosis passage (65) to include that there are two the first feed liquors described in every group
Road (651) and the apocenosis passage (652) being located between two first feed pathways (651)；It is arranged on the upper end cover (7)
There is the hole with first feed pathway (651) perforation, is provided on the lower cover (2) and is passed through with the apocenosis passage (652)
Logical hole；The two sides that the side knock hammer (4) is located at the described first outer impact head (41) are provided with first and cross recirculation hole
(411), the two sides that the side knock hammer (4) is located at the described second outer impact head (42) are provided with second and cross recirculation hole
(421)。
In a preferred embodiment, the two sides of the described first lateral internal pressure chamber (51) and the second lateral internal pressure chamber (52)
And the two sides of the third transverse direction internal pressure chamber (53) and the 4th lateral internal pressure chamber (54) are provided with apocenosis passage (56), it is described
Between first lateral internal pressure chamber (51) and third transverse direction internal pressure chamber (53) and the second lateral internal pressure chamber (52) and the 4th cross
To being symmetrically provided with two the second feed pathways (57) between internal pressure chamber (54), two second feed pathways (57) with
The first low pressure liquid channel (55) connection in the side knock reversing tube (5)；The side knock hammer (4) is located at described
The two sides of impact head (43) are provided with third and cross recirculation hole (431) in first, and the side knock hammer (4) is located at described second
The two sides of interior impact head (44) are provided with the 4th and cross recirculation hole (441).
In a preferred embodiment, the described first lateral internal pressure chamber (51), the second lateral internal pressure chamber (52), third are horizontal
To internal pressure chamber (53), the 4th lateral internal pressure chamber (54) and apocenosis passage (56) along the axis of the side knock reversing tube (5)
To the both ends for being arranged and extending to the side knock reversing tube (5)；In addition, being symmetrically arranged with two on the lower cover (2)
A current by pass (21), the second feed pathway (57) of each current by pass (21) and the side knock reversing tube (5)
It is selectively connected to or is not connected to apocenosis passage (56).
Because the utility model adopts the above technical scheme, it has the following advantages: 1, when the utility model at work, can
To generate the cross torsion impact force and axial impact force of certain frequency to drill bit, the effect of a kind of three-dimensional motion impacts is formed,
So as to assist drill bit broken rock, drill bit rock breaking capacity is improved, is improved in, the bit speed and drilling efficiency of hard formation, together
When be able to solve viscous, sliding, the bit freezing problem of PDC drill bit, slow down the torsion concussion of down-hole equipment, so that extending drill bit uses the longevity
Life.2, this practical setting lower body inner sleeve in lower case, so that composite impact drilling speed device is by original monoblock type
Become split type, and lower body inner sleeve is directly connected to drill bit, rotary hammer torque is directly acted on by lower body inner sleeve when working in this way
On lower connector, so that the torque that rotary hammer work generates is until reaching drill bit, it is possible to reduce inoperative energy consumption improves punching
Hit the torque function and effect of device.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model side knock generating assembly.
Specific embodiment
The utility model is described in detail below with reference to embodiment.
As shown in Figure 1, composite impact drilling speed device provided by the utility model includes lower connector 1, upper connection
3, side knock generating assembly and impact of collision generating assembly.
Side knock generating assembly includes lower case 6, lower body inner sleeve 611, side knock reversing tube 5, side knock hammer
4, lower cover 2, upper end cover 7, connector 612 and lower shutoff ring 19.
Impact of collision generating assembly includes upper body 12, impact of collision reversing tube 14, impact of collision hammer 13, intermediate sleeve 15
With throttling set 10.
Wherein, lower body inner sleeve 611 is hollow cylinder, is fixed in lower case 6 by connector 612.It is lower internal
The lower end of set 611 can be with 12 thread connection of upper body with 1 thread connection of lower connector, upper end.Upper end cover 7 and lower cover 2
The upper and lower ends of lower body inner sleeve 611 are separately mounted to, to form side knock cavity in lower body inner sleeve 611, side knock is empty
It is intracavitary to be sequentially installed with side knock reversing tube 5 and side knock hammer 4 from inside to outside, and side knock hammer 4 can be in side knock
Make rotary reciprocating motion along own axes under the driving of reversing tube 5.The first low pressure liquid channel is formed in side knock reversing tube 5
55, lower shutoff ring 19 is mounted on the lower end of side knock reversing tube 5.
Intermediate sleeve 15 is fixedly connected in upper body 12 and is formed between the two impact of collision chamber, impact of collision hammer 13
It is set in intermediate sleeve 15 and can be moved along the axial reciprocating of intermediate sleeve 15.Impact of collision reversing tube 14 is arranged in intermediate sleeve 15
And connect and rotate synchronously with side knock reversing tube 5, it is formed and the first low pressure liquid channel 55 in impact of collision reversing tube 14
The highly pressurised liquid channel 144 of connection forms the second low pressure liquid channel 153 between impact of collision reversing tube 14 and intermediate sleeve 15.
Throttling set 10 is mounted on impact of collision reversing tube 14 close to one end of side knock reversing tube 5, and throttling set 10 connects
Logical first low pressure liquid channel 55 and highly pressurised liquid channel 144.
In a preferred embodiment, impact of collision chamber is separated into first longitudinal direction impact chamber 121 by impact of collision hammer 13
Chamber 122 is impacted with second longitudinal direction, first longitudinal direction corresponding with first longitudinal direction impact 121 position of chamber is provided in intermediate sleeve 15 and is connected to
Hole 151 and with the corresponding second longitudinal direction intercommunicating pore 152 in second longitudinal direction impact 122 position of chamber, first longitudinal direction intercommunicating pore 151 and the
Two vertical communication holes 152 are in the circumferential misalignment setting along intermediate sleeve 15.It is provided on impact of collision reversing tube 14 and first longitudinal direction
The first longitudinal direction communicating pipe 141 that intercommunicating pore 151 cooperates and the second longitudinal direction communicating pipe cooperated with second longitudinal direction intercommunicating pore 152
142, inner wall of the end of first longitudinal direction communicating pipe 141 and second longitudinal direction communicating pipe 142 with intermediate sleeve 15 fits.Longitudinal punching
It hits on reversing tube 14 and is additionally provided with the first low pressure liquid channel 55 of connection and the third in the second low pressure liquid channel 153 longitudinally connects
Siphunculus 143.
In a preferred embodiment, it corresponds in upper body 12 and is provided at the first end of impact of collision reversing tube 14
First annular slot, impact of collision reversing tube are formed after the first end cooperation of connector sleeve 9, connector sleeve 9 and impact of collision reversing tube 14
14 second end and intermediate sleeve 15 forms the second annular groove after cooperating, and is provided with ball in first annular slot and the second annular groove
8。
In a preferred embodiment, the inner circumferential side of the circumferential side wall of throttling set 10 and impact of collision reversing tube 14
Wall matches, and sealing ring 22 is provided between throttling set 10 and impact of collision reversing tube 14.
In a preferred embodiment, the first outer impact head 41 is symmetrically provided in the outside wall surface of side knock hammer 4
With the second outer impact head 42, and the peripheral outer wall of the first outer impact head 41 and the second outer impact head 42 with lower case 6
Inner wall fits, and the two sides of the first outer impact head 41 circumferentially are formed with the first lateral external pressure chamber 61 and the second lateral external pressure chamber
62, the two sides of the second outer impact head 42 circumferentially are formed with third transverse direction external pressure chamber 63 and the 4th lateral external pressure chamber 64.
Meanwhile impact head in impact head 43 and second is symmetrically provided in first on the inner wall of side knock hammer 4
44, and outer wall of the peripheral outer wall of impact head 44 with side knock reversing tube 5 is affixed in impact head 43 and second in first
It closes, the two sides of impact head 43 circumferentially are formed with the first lateral internal pressure chamber 51 and the second lateral internal pressure chamber 52 in first, in second
The two sides of impact head 44 circumferentially are formed with third transverse direction internal pressure chamber 53 and the 4th lateral internal pressure chamber 54.
In a preferred embodiment, the first lateral external pressure chamber 61 is located on the inner wall of lower case 6 and third is lateral
Two groups are symmetrically provided with into drain between external pressure chamber 63 and between the second lateral external pressure chamber 62 and the 4th lateral external pressure chamber 64
Channel 65, every group includes there are two the first feed pathway 651 and being located between two the first feed pathways 651 into apocenosis passage 65
Apocenosis passage 652.It is provided with the hole with the perforation of the first feed pathway 651 on upper end cover 7, is provided on lower cover 2 and drain
The hole that channel 652 penetrates through.The two sides that side knock hammer 4 is located at the first outer impact head 41 are provided with first and cross recirculation hole 411, horizontal
The two sides for being located at the second outer impact head 42 to jump bit 4 are provided with second and cross recirculation hole 421.
In a preferred embodiment, two sides and the third of the first lateral internal pressure chamber 51 and the second lateral internal pressure chamber 52
The two sides of lateral internal pressure chamber 53 and the 4th lateral internal pressure chamber 54 are provided with apocenosis passage 56, the first lateral internal pressure chamber 51 and the
Two are symmetrically provided between three lateral internal pressure chambers 53 and between the second lateral internal pressure chamber 52 and the 4th lateral internal pressure chamber 54
Second feed pathway 57, two the second feed pathways 57 connect with the first low pressure liquid channel 55 in side knock reversing tube 5
It is logical.The two sides that side knock hammer 4 is located at impact head 43 in first are provided with third and cross recirculation hole 431, and side knock hammer 4 is located at
The two sides of impact head 44 are provided with the 4th and cross recirculation hole 441 in second.
In a preferred embodiment, the first lateral internal pressure chamber 52 of lateral internal pressure chamber 51, second, third transverse direction internal pressure chamber
53, the 4th lateral internal pressure chamber 54 and apocenosis passage 56 transversely impact the axial of reversing tube 5 and are arranged and extend to transverse direction
Impact the both ends of reversing tube 5.In addition, being symmetrical arranged on lower cover 2, there are two current by pass 21, each current by pass 21 and transverse directions
Second feed pathway 57 of impact reversing tube 5 is selectively connected to apocenosis passage 56 or is not connected to.
When the utility model at work, composite impact drilling speed device is power using cleaner for high-pressure drilling fluid, and driving is laterally
Jump bit 4 makees rotary reciprocating motion in lower body inner sleeve 611, to generate the cross torsion impact force of certain frequency；Meanwhile it is high
Pressure drilling fluid driving impact of collision hammer 13 makees axially reciprocating in upper body 12, to generate the axial punching of certain frequency
Hit power.Since cleaner for high-pressure drilling fluid becomes low pressure liquid by the throttling partial pressure of throttling set 10, a part of low pressure liquid is by the
One low pressure liquid channel 55 and lower restrictor ring 19 directly reach lower connector 1 and directly act on drill bit, a part of low pressure liquid
Side knock generating assembly is entered, some low pressure liquid enters impact of collision generating assembly.
The various embodiments described above are only used for carrying out exemplary retouch to the purpose of this utility model, technical scheme and beneficial effects
It states, it is not limited to above-mentioned specific embodiment, within the spirit and principle of the utility model, any modification for being made,
Equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of composite impact drilling speed device, including lower connector (1), upper connection (3), side knock generating assembly and
Impact of collision generating assembly, it is characterised in that:
The side knock generating assembly includes lower case (6), lower body inner sleeve (611), side knock reversing tube (5), transverse direction
Jump bit (4), lower cover (2), upper end cover (7), connector (612) and lower shutoff ring (19)；
The impact of collision generating assembly include upper body (12), impact of collision reversing tube (14), impact of collision hammer (13), in
Between cover (15) and throttling set (10)；
Wherein, the lower body inner sleeve (611) is hollow cylinder, is fixed on the lower case by the connector (612)
In body (6)；The lower end of the lower body inner sleeve (611) and the lower connector (1) thread connection, upper end and the upper body
(12) thread connection；The upper end cover (7) and lower cover (2) are separately mounted to the upper and lower ends of the lower body inner sleeve (611), with
Side knock cavity is formed in the lower body inner sleeve (611), is sequentially installed with institute from inside to outside in the side knock cavity
Side knock reversing tube (5) and side knock hammer (4) are stated, and side knock hammer (4) can be in the side knock reversing tube
(5) make rotary reciprocating motion along own axes under driving；It is logical that the first low pressure liquid is formed in the side knock reversing tube (5)
Road (55), the lower shutoff ring (19) are mounted on the lower end of side knock reversing tube (5)；
The intermediate sleeve (15) is fixedly connected in the upper body (12) and is formed between the two impact of collision chamber, described vertical
It is set on the intermediate sleeve (15) and can be moved along the axial reciprocating of the intermediate sleeve (15) to jump bit (13)；The longitudinal direction
Impact reversing tube (14) setting connect and rotates synchronously in the intermediate sleeve (15) and with the side knock reversing tube (5),
The highly pressurised liquid channel being connected to first low pressure liquid channel (55) is formed in the impact of collision reversing tube (14)
(144), the second low pressure liquid channel (153) is formed between the impact of collision reversing tube (14) and the intermediate sleeve (15)；Institute
It states throttling set (10) and is mounted on the impact of collision reversing tube (14) close to the one of the side knock reversing tube (5)
End, and the throttling set (10) connection first low pressure liquid channel (55) and highly pressurised liquid channel (144).
2. a kind of composite impact drilling speed device as described in claim 1, which is characterized in that (13) are hammered in the impact of collision into shape
The impact of collision chamber is separated into first longitudinal direction impact chamber (121) and second longitudinal direction impact chamber (122), the intermediate sleeve (15)
On be provided with the first longitudinal direction corresponding first longitudinal direction intercommunicating pore (151) in impact chamber (121) position and with described second
The corresponding second longitudinal direction intercommunicating pore (152) in impact of collision chamber (122) position, the first longitudinal direction intercommunicating pore (151) are vertical with second
To intercommunicating pore (152) in the circumferential misalignment setting along the intermediate sleeve (15)；It is provided on the impact of collision reversing tube (14)
With the first longitudinal direction intercommunicating pore (151) cooperation first longitudinal direction communicating pipe (141) and with the second longitudinal direction intercommunicating pore
(152) the second longitudinal direction communicating pipe (142) cooperated, the first longitudinal direction communicating pipe (141) and second longitudinal direction communicating pipe (142)
Inner wall of the end with the intermediate sleeve (15) fits；Connection described the is additionally provided on the impact of collision reversing tube (14)
The third vertical communication pipe (143) in one low pressure liquid channel (55) and the second low pressure liquid channel (153).
3. a kind of composite impact drilling speed device as described in claim 1, which is characterized in that in the upper body (12)
It is provided with connector sleeve (9) at the first end of the corresponding impact of collision reversing tube (14), the connector sleeve (9) and longitudinal punching
Form first annular slot after hitting the first end cooperation of reversing tube (14), the second end of the impact of collision reversing tube (14) with it is described
The second annular groove is formed after intermediate sleeve (15) cooperation, ball (8) are provided in the first annular slot and the second annular groove.
4. a kind of composite impact drilling speed device as described in claim 1, which is characterized in that the throttling set (10)
Circumferential side wall is matched with the inner circumferential side wall of the impact of collision reversing tube (14), and the throttling set (10) with it is described
Sealing ring (22) are provided between impact of collision reversing tube (14).
5. a kind of composite impact drilling speed device as described in claim 1, which is characterized in that (4) are hammered in the side knock into shape
Outside wall surface on be symmetrically provided with the first outer impact head (41) and the second outer impact head (42), and the first outer impact head
(41) it fits with inner wall of the peripheral outer wall of the second outer impact head (42) with the lower case (6), is rushed outside described first
The two sides of (41) circumferentially of tapping the head are formed with the first lateral external pressure chamber (61) and the second lateral external pressure chamber (62), punching outside described second
The two sides of (42) circumferentially of tapping the head are formed with third transverse direction external pressure chamber (63) and the 4th lateral external pressure chamber (64)；
Meanwhile impact in impact head in first (43) and second is symmetrically provided on the inner wall of the side knock hammer (4)
Head (44), and the peripheral outer wall of impact head (44) is changed with the side knock in impact head (43) and second in described first
It fits to the outer wall of pipe (5), the two sides of impact head (43) circumferentially are formed with the first lateral internal pressure chamber (51) in described first
With the second lateral internal pressure chamber (52), the two sides of impact head (44) circumferentially are formed with third transverse direction internal pressure chamber (53) in described second
With the 4th lateral internal pressure chamber (54).
6. a kind of composite impact drilling speed device as claimed in claim 5, which is characterized in that the lower case (6)
It is located between the described first lateral external pressure chamber (61) and third transverse direction external pressure chamber (63) on inner wall and the second transverse direction external pressure
Two groups are symmetrically provided with into apocenosis passage (65) between chamber (62) and the 4th lateral external pressure chamber (64), are led to described in every group into drain
Road (65) includes that there are two the first feed pathway (651) and the drain being located between two first feed pathways (651) are logical
Road (652)；The hole with first feed pathway (651) perforation is provided on the upper end cover (7), on the lower cover (2)
It is provided with the hole with the apocenosis passage (652) perforation；The side knock hammer (4) is located at the described first outer impact head (41)
Two sides are provided with first and cross recirculation hole (411), and the side knock hammer (4) is located at the two sides of the described second outer impact head (42)
It is provided with second and crosses recirculation hole (421).
7. a kind of composite impact drilling speed device as claimed in claim 5, which is characterized in that the described first lateral internal pressure chamber
(51) and the two sides of the second lateral internal pressure chamber (52) and the third transverse direction internal pressure chamber (53) and the 4th transverse direction internal pressure chamber (54)
Two sides be provided with apocenosis passage (56), between the first lateral internal pressure chamber (51) and third transverse direction internal pressure chamber (53) and
Two the second feed pathways are symmetrically provided between described second lateral internal pressure chamber (52) and the 4th lateral internal pressure chamber (54)
(57), two second feed pathways (57) with the first low pressure liquid channel in the side knock reversing tube (5)
(55) it is connected to；The two sides that the side knock hammer (4) is located at impact head (43) in described first are provided with third and cross recirculation hole
(431), the two sides that the side knock hammer (4) is located at impact head (44) in described second are provided with the 4th and cross recirculation hole
(441)。
8. a kind of composite impact drilling speed device as claimed in claim 7, which is characterized in that the described first lateral internal pressure chamber
(51), the second lateral internal pressure chamber (52), third transverse direction internal pressure chamber (53), the 4th lateral internal pressure chamber (54) and apocenosis passage (56)
Along the axial both ends being arranged and extend to the side knock reversing tube (5) of the side knock reversing tube (5)；Separately
Outside, it is symmetrical arranged on the lower cover (2) there are two current by pass (21), each current by pass (21) is laterally rushed with described
The second feed pathway (57) for hitting reversing tube (5) is selectively connected to apocenosis passage (56) or is not connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898741.XU CN208845097U (en) | 2018-06-11 | 2018-06-11 | A kind of composite impact drilling speed device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898741.XU CN208845097U (en) | 2018-06-11 | 2018-06-11 | A kind of composite impact drilling speed device |
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| Publication Number | Publication Date |
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| CN208845097U true CN208845097U (en) | 2019-05-10 |
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ID=66352074
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| CN201820898741.XU Active CN208845097U (en) | 2018-06-11 | 2018-06-11 | A kind of composite impact drilling speed device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240160A (en) * | 2019-07-16 | 2021-01-19 | 中国石油化工股份有限公司 | Drilling speed-up tool |
| CN112240161A (en) * | 2019-07-16 | 2021-01-19 | 中国石油化工股份有限公司 | Drilling speed-up tool |
-
2018
- 2018-06-11 CN CN201820898741.XU patent/CN208845097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240160A (en) * | 2019-07-16 | 2021-01-19 | 中国石油化工股份有限公司 | Drilling speed-up tool |
| CN112240161A (en) * | 2019-07-16 | 2021-01-19 | 中国石油化工股份有限公司 | Drilling speed-up tool |
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