CN106437495A - Lower connector for single downhole hammer and cluster downhole hammer - Google Patents
Lower connector for single downhole hammer and cluster downhole hammer Download PDFInfo
- Publication number
- CN106437495A CN106437495A CN201610972314.7A CN201610972314A CN106437495A CN 106437495 A CN106437495 A CN 106437495A CN 201610972314 A CN201610972314 A CN 201610972314A CN 106437495 A CN106437495 A CN 106437495A
- Authority
- CN
- China
- Prior art keywords
- hole
- face
- lower contact
- hammer
- step end
- 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
- E21B4/14—Fluid operated hammers
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a lower connector for a single downhole hammer; the periphery of the lower connector is provided with keyways and is used for being locked in an axial slide groove in a lower bottom plate of a locking mechanism through keys arranged in the keyways; the lower connector is provided with the keyways to facilitate setting of the keys, the keys fit the axial slide groove in the lower bottom plate of the locking mechanism, the lower connector can be prevented from rotating around its axis on the locking mechanism, the whole single downhole hammer is thereby limited from rotating on the locking mechanism, and it is also thereby ensured that the single downhole hammer is fixed reliably to the locking mechanism. The invention also discloses a cluster downhole hammer, each single downhole hammer of the cluster downhole hammer employs the above lower connector, and the single downhole hammers are highly reliably connected to locking mechanisms.
Description
Technical field
The present invention relates to Mechanical Industry Technology field, more particularly, it relates to a kind of lower contact of down-hole hammer monomer, also relates to
And a kind of cluster type down-hole hammer.
Background technology
Down-hole hammer is a kind of stake construction equipment, for subsurface boring.
Down-hole hammer is usually used aloned, but the size of single down-hole hammer is little, it is difficult to meets and is actually needed to drilling aperture
Requirement, therefore need in practical application by multiple down-hole hammers be combined into cluster type down-hole hammer use.
Cluster type down-hole hammer includes locked mechanism and the multiple down-hole hammer monomers being inserted on locked mechanism, locked mechanism bag
The lower shoe being fixedly connected and upper pneumatic panel is included, top connection is plugged in the installation in the hole of pneumatic panel, lower contact is plugged in goes to the bottom
The installation in the hole of plate；Down-hole hammer monomer is locked in above-mentioned locked mechanism by being fixed thereon the nut of joint, but uses
When down-hole hammer monomer be subjected to compared with noticeable effort, exist because occur around own axis by above-mentioned locked mechanism on come off
Risk.
To sum up, how down-hole hammer monomer is avoided in cluster type down-hole hammer because around own rotation by locking in application process
Come off in mechanism, be those skilled in the art's technical problem urgently to be resolved hurrily.
Content of the invention
In view of this, the present invention provides a kind of lower contact of down-hole hammer monomer, and the periphery of its lower contact is provided with keyway, is easy to
Lower contact is installed in locked mechanism in the axial slide of lower shoe by the key being arranged in the keyway, prevents lower contact from occurring
Rotate, rotate on locked mechanism so as to limit whole down-hole hammer monomer, it is ensured that down-hole hammer monomer is firmly secured to lock
Gu mechanism.The present invention also provides a kind of cluster type down-hole hammer, and which applies the down-hole hammer monomer with above-mentioned lower contact, down-hole hammer
The reliability height of monomer and locked mechanism connection.
For achieving the above object, the present invention provides following technical scheme：
A kind of lower contact of down-hole hammer monomer, the periphery of the lower contact is provided with keyway, and the lower contact is used for leading to
Cross the key being arranged in the keyway to be installed in locked mechanism in the axial slide of lower shoe.
Preferably, in above-mentioned lower contact, the lower contact is included for being fixedly connected with the hammer body of the down-hole hammer monomer
Connecting cylinder and the mounting cylinder for being assemblied in the lower shoe；The connecting cylinder is fixedly connected with the mounting cylinder, and two
The dead in line of person；The keyway is arranged on the periphery of the mounting cylinder.
Preferably, in above-mentioned lower contact, the first end of the mounting cylinder is in step-like, and the end includes first order step end
Face and circle are clipped in the connection in the second level step end face of the first order step end face periphery, the first order step end face
Between cylinder and the second level step end face, and the first order step end face is fixedly connected with the connecting cylinder.
Preferably, in above-mentioned lower contact, the first order step end face and the second level step end face are by vertically outer
Side face is connected, and the vertical outer peripheral face is provided with rounding with the junction of the second level step end face.
Preferably, in above-mentioned lower contact, the keyway is for multiple, and the keyway is uniform along the circumference of the lower contact
Distribution.
A kind of cluster type down-hole hammer, including locked mechanism and the multiple down-hole hammer monomers being arranged on the locked mechanism,
The down-hole hammer monomer includes lower contact, and the lower contact is the lower contact in technique scheme described in any one.
Preferably, the peace in above-mentioned cluster type down-hole hammer, on the lower shoe of the locked mechanism with lower contact cooperation
Dress hole is two-stage shoulder hole, and the wherein aperture of second level shoulder hole is more than the aperture of first order shoulder hole, and the second level rank
Terraced hole near the lower surface of the lower shoe, the first order shoulder hole near the lower shoe upper surface；Described axially sliding
Groove is arranged on the hole wall of the second level shoulder hole.
Preferably, in above-mentioned cluster type down-hole hammer, the hole wall of the first order shoulder hole and the second level shoulder hole
Hole wall is connected by annular transitional face；The hole wall of the first order shoulder hole is provided with down with the junction in the annular transitional face
Angle；The chamfering is fitted with the rounding.
The present invention provides a kind of lower contact of down-hole hammer monomer, and the periphery of the lower contact is provided with keyway, also, above-mentioned under connect
Head is for being installed in locked mechanism in the axial slide of lower shoe by the key being arranged in keyway.
Obviously, above-mentioned lower contact is provided with keyway, is easy to arrange key, and the axial slide of key and lower shoe in locked mechanism is joined
Closing, lower contact is prevented from around own axis on locked mechanism, so as to limit whole down-hole hammer monomer in locked mechanism
Upper rotation, it is ensured that down-hole hammer monomer is firmly secured to locked mechanism.
The present invention also provides a kind of cluster type down-hole hammer, and which includes locked mechanism and is arranged on multiple latent on locked mechanism
Drift monomer, wherein, the lower contact that the lower contact of down-hole hammer monomer is provided for technique scheme.
The above-mentioned lower contact of down-hole hammer monomer applications in the cluster type down-hole hammer, down-hole hammer monomer and locked mechanism connect
The reliability height for connecing.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the perspective view of the lower contact of down-hole hammer monomer provided in an embodiment of the present invention；
Fig. 2 is the main structure diagram of the lower contact of down-hole hammer monomer provided in an embodiment of the present invention；
Fig. 3 is the installation diagram of the lower contact with lower shoe of down-hole hammer monomer provided in an embodiment of the present invention；
Wherein, in Fig. 1-Fig. 3：
Lower contact 100；Connecting cylinder 101；Mounting cylinder 102；Keyway 121；First order step end face 122；Second level step end
Face 123；Rounding 124；Key 200；Lower shoe 300.
Specific embodiment
The embodiment of the invention discloses a kind of lower contact of down-hole hammer monomer, the periphery of its lower contact is provided with keyway, is easy to
Lower contact is installed in locked mechanism in the axial slide of lower shoe by the key being arranged in the keyway, prevents lower contact from occurring
Rotate, rotate on locked mechanism so as to limit whole down-hole hammer monomer, it is ensured that down-hole hammer monomer is firmly secured to lock
Gu mechanism.The embodiment of the invention also discloses a kind of cluster type down-hole hammer, which applies the down-hole hammer list with above-mentioned lower contact
Body, the reliability height of down-hole hammer monomer and locked mechanism connection.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-Fig. 3 is referred to, the embodiment of the present invention provides a kind of lower contact 100 of down-hole hammer monomer, the lower contact 100
Periphery is provided with keyway 121, also, lower contact 100 is used for being installed in locked mechanism by the key 200 being arranged in keyway 121
In the axial slide of lower shoe 300.
Obviously, above-mentioned lower contact 100 is provided with keyway 121, is easy to arrange key 200, key 200 and lower shoe in locked mechanism
300 axial slide coordinates, and is prevented from lower contact 100 around own axis on locked mechanism, whole latent so as to limit
Drift monomer is rotated on locked mechanism, it is ensured that down-hole hammer monomer is firmly secured to locked mechanism.
Specifically, above-mentioned lower contact 100 includes the connecting cylinder 101 for being fixedly connected and use with the hammer body of down-hole hammer monomer
In the mounting cylinder 102 for being assemblied in above-mentioned lower shoe 300；Connecting cylinder 101 is fixedly connected with mounting cylinder 102, and both axis weights
Close；Above-mentioned keyway 121 is arranged on the periphery of mounting cylinder 102.The periphery of above-mentioned connecting cylinder 101 is provided with screw thread, for hammer body spiral shell
Stricture of vagina connects.
For the ease of, at the lower shoe 300 of locked mechanism, the first end of above-mentioned mounting cylinder 102 is somebody's turn to do in step-like
End includes the second level step end face 123 of first order step end face 122 and circle in 122 periphery of first order step end face, first
Level step end face 122 be clipped between connecting cylinder 101 and second level step end face 123, and first order step end face 122 be connected
Cylinder 101 is fixedly connected, 101 covering part first order step end face 122 of above-mentioned connecting cylinder.
During application, the hammer body of down-hole hammer monomer is pressed in first order step end face 122 with lower contact 100 when threadeding
Place, is on the one hand able to ensure that hammer body and lower contact 100 closely connect, and another convenience limits both link positions without the need for additionally arranging
Part, make both assemble simplicity.Meanwhile, when down-hole hammer monomer is plugged in locked mechanism by lower section, the second level of lower contact 100
Step end face 123 is coordinated with the installing hole of lower shoe 300 in locked mechanism, has both prevented lower contact 100 through the peace of lower shoe 300
Dress hole, limits the inserting position of down-hole hammer monomer again, is equally easy to down-hole hammer monomer to be assemblied in locked mechanism.
Specifically, above-mentioned first order step end face 122 is connected by vertical outer peripheral face with second level step end face 123, is erected
Straight outer peripheral face is provided with rounding 124 with the junction of second level step end face 123.
Above-mentioned keyway 121 may be configured as one, be preferably arranged to multiple, and each keyway 121 is along the circumference of lower contact 100
It is uniformly distributed.
The embodiment of the present invention also provides a kind of cluster type down-hole hammer, and which includes locked mechanism and is arranged on locked mechanism
Multiple down-hole hammer monomers, wherein, down-hole hammer monomer includes lower contact 100, and the lower contact 100 is for connecing under above-described embodiment offer
100.
Above-mentioned locked mechanism includes the lower shoe 300 being mutually permanently connected and upper pneumatic panel；Top connection in down-hole hammer monomer
It is plugged in the installation in the hole of pneumatic panel, lower contact 100 to be plugged at the installing hole of lower shoe 300；During assembling, down-hole hammer is first made
The top connection of monomer is inserted into the installation in the hole of pneumatic panel through the installing hole of lower shoe 300, while inserting lower contact 100
Enter the installation in the hole of lower shoe 300, make the key 200 for inserting at keyway 121 in lower contact 100 slip into installing hole in lower shoe 300
In the axial slide of inwall；Finally nut is fixed at top connection and screws.
The installing hole for coordinating with lower contact 100 on lower shoe 300 in locked mechanism is shoulder hole, and which includes two-stage ladder
Hole, wherein, the aperture of second level shoulder hole is more than the aperture of first order shoulder hole, and second level shoulder hole is near lower shoe 300
Lower surface, first order shoulder hole near lower shoe 300 upper surface；Above-mentioned axial slide is arranged on the hole of second level shoulder hole
On wall.The upper surface of lower shoe 300 be on lower shoe 300 towards the surface of upper pneumatic panel, lower surface be to deviate from lower shoe 300
The surface of upper pneumatic panel.
In the program, the installing hole on lower shoe 300 is set to shoulder hole, the structure with mounting cylinder 102 in lower contact 100
It is adapted, is easy to assemble lower contact 100.
The hole wall of above-mentioned first order shoulder hole is connected by annular transitional face with the hole wall of second level shoulder hole；First order rank
The hole wall in terraced hole is provided with chamfering with the junction in annular transitional face；The chamfering is fitted with the rounding 124 on above-mentioned mounting cylinder 102.
In the cluster type down-hole hammer that the present embodiment is provided, lower contact 100 and lower shoe 300 are provided with the chamfering for cooperating
With rounding 124, uniformly transfer interaction force between the two, it is to avoid to damage because local pressure is excessive, long service life.With
When, in the cluster type down-hole hammer, the second level step end face 123 of lower contact 100 and the annular transitional face pressure of lower shoe 300 are close to
Close, in application process, impulsive force can be transferred to base plate, so that whole locked mechanism shares above-mentioned impulsive force jointly.
The above-mentioned lower contact 100 of down-hole hammer monomer applications, down-hole hammer in cluster type down-hole hammer provided in an embodiment of the present invention
The reliability height of monomer and locked mechanism connection.Certainly, cluster type down-hole hammer provided in an embodiment of the present invention also has upper
Other effects of the relevant down-hole hammer monomer of embodiment offer are provided, be will not be described here.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
Multiple modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (8)
1. a kind of lower contact of down-hole hammer monomer, it is characterised in that the periphery of the lower contact is provided with keyway, and described under connect
Head is for being installed in locked mechanism in the axial slide of lower shoe by the key being arranged in the keyway.
2. lower contact according to claim 1, it is characterised in that the lower contact include for the down-hole hammer monomer
The connecting cylinder that is fixedly connected of hammer body and the mounting cylinder for being assemblied in the lower shoe；The connecting cylinder and the mounting cylinder are solid
Fixed connection, and both deads in line；The keyway is arranged on the periphery of the mounting cylinder.
3. lower contact according to claim 2, it is characterised in that the first end of the mounting cylinder is in step-like, the end
Including first order step end face and the second level step end face for enclosing in the first order step end face periphery, the first order step
End face is clipped between the connecting cylinder and the second level step end face, and the first order step end face and the connecting cylinder
It is fixedly connected.
4. lower contact according to claim 3, it is characterised in that the first order step end face and the second level step
End face is connected by vertical outer peripheral face, and the vertical outer peripheral face is provided with down with the junction of the second level step end face
Circle.
5. lower contact according to claim 1, it is characterised in that the keyway is for multiple, and the keyway is along described
The circumference of lower contact is uniformly distributed.
6. a kind of cluster type down-hole hammer, including locked mechanism and the multiple down-hole hammer monomers being arranged on the locked mechanism, its
Be characterised by, the down-hole hammer monomer includes lower contact, the lower contact be claim 1-5 any one described under connect
Head.
7. cluster type down-hole hammer according to claim 6, it is characterised in that on the lower shoe of the locked mechanism with described
The installing hole that lower contact coordinates is two-stage shoulder hole, and the wherein aperture of second level shoulder hole is more than the aperture of first order shoulder hole,
And the second level shoulder hole near the lower surface of the lower shoe, the first order shoulder hole near the lower shoe upper table
Face；The axial slide is arranged on the hole wall of the second level shoulder hole.
8. cluster type down-hole hammer according to claim 7, it is characterised in that the hole wall of the first order shoulder hole and described
The hole wall of second level shoulder hole is connected by annular transitional face；The hole wall of the first order shoulder hole and the annular transitional face
Junction is provided with chamfering；The chamfering is fitted with the rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972314.7A CN106437495A (en) | 2016-10-28 | 2016-10-28 | Lower connector for single downhole hammer and cluster downhole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972314.7A CN106437495A (en) | 2016-10-28 | 2016-10-28 | Lower connector for single downhole hammer and cluster downhole hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437495A true CN106437495A (en) | 2017-02-22 |
Family
ID=58180714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610972314.7A Pending CN106437495A (en) | 2016-10-28 | 2016-10-28 | Lower connector for single downhole hammer and cluster downhole hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437495A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663522A (en) * | 2020-06-11 | 2020-09-15 | 深圳市工勘岩土集团有限公司 | Comprehensive construction method for interlocking of deep stone-filling layer water-stop curtain down-the-hole hammer and pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663522A (en) * | 2020-06-11 | 2020-09-15 | 深圳市工勘岩土集团有限公司 | Comprehensive construction method for interlocking of deep stone-filling layer water-stop curtain down-the-hole hammer and pipe |
| CN111663522B (en) * | 2020-06-11 | 2021-09-21 | 深圳市工勘岩土集团有限公司 | Comprehensive construction method for interlocking of deep stone-filling layer water-stop curtain down-the-hole hammer and pipe |
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Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |