CN206409185U - The lower contact of down-hole hammer monomer and cluster type down-hole hammer - Google Patents
The lower contact of down-hole hammer monomer and cluster type down-hole hammer Download PDFInfo
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- CN206409185U CN206409185U CN201621195880.3U CN201621195880U CN206409185U CN 206409185 U CN206409185 U CN 206409185U CN 201621195880 U CN201621195880 U CN 201621195880U CN 206409185 U CN206409185 U CN 206409185U
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- lower contact
- hole
- face
- hole hammer
- locked mechanism
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Abstract
The utility model discloses a kind of lower contact of down-hole hammer monomer, the periphery of the lower contact is provided with keyway, also, above-mentioned lower contact is used to be installed in locked mechanism in the axial slide of lower shoe by the key being arranged in keyway.The lower contact is provided with keyway, it is easy to set key, the axial slide of key and lower shoe in locked mechanism coordinates, and can prevent lower contact on locked mechanism around own axis, rotated so as to limit whole down-hole hammer monomer on locked mechanism, it is ensured that down-hole hammer monomer is firmly secured to locked mechanism.The utility model is also disclosed a kind of cluster type down-hole hammer, and the above-mentioned lower contact of its down-hole hammer monomer applications, the reliability of both down-hole hammer monomer and locked mechanism connection is high.
Description
Technical field
The utility model is related to Mechanical Industry Technology field, more specifically to a kind of lower contact of down-hole hammer monomer,
Further relate to 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 small, it is difficult to which satisfaction is actually needed to probing aperture
Requirement, therefore need multiple down-hole hammers being combined into cluster type down-hole hammer in practical application and 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 and upper pneumatic panel being fixedly connected are included, top connection is plugged in the mounting hole of pneumatic panel, and lower contact is plugged in bottom
In the mounting 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 occurring what is come off on above-mentioned locked mechanism around own axis
Risk.
To sum up, how to avoid in cluster type down-hole hammer down-hole hammer monomer in application process because around own rotation by locking
Come off in mechanism, be those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of lower contact of down-hole hammer monomer, and the periphery of its lower contact is provided with keyway,
It is easy to lower contact to be installed in by the key being arranged in the keyway in locked mechanism in the axial slide of lower shoe, prevents lower contact
Rotate, rotated so as to limit whole down-hole hammer monomer on locked mechanism, it is ensured that down-hole hammer monomer is securely fixed
In locked mechanism.The utility model also provides a kind of cluster type down-hole hammer, and it applies the down-hole hammer list with above-mentioned lower contact
Body, the reliability of both down-hole hammer monomer and locked mechanism connection is high.
To achieve the above object, the utility model 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 to lead to
The key being arranged in the keyway is crossed to be installed in locked mechanism in the axial slide of lower shoe.
It is preferred that, in above-mentioned lower contact, the lower contact includes being used to be fixedly connected with the hammer body of the down-hole hammer monomer
Connecting cylinder and mounting cylinder for being assemblied in the lower shoe；The connecting cylinder is fixedly connected with the mounting cylinder, and two
The axis of person is overlapped；The keyway is arranged on the periphery of the mounting cylinder.
It is preferred that, 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 is clipped in the connection with the second level step end face in the first order step end face periphery, the first order step end face is enclosed
Between cylinder and the second level step end face, and the first order step end face is fixedly connected with the connecting cylinder.
It is preferred that, in above-mentioned lower contact, the first order step end face and the second level step end face pass through outside vertical
Side face is connected, and the junction of the vertical outer peripheral face and the second level step end face is provided with rounding.
It is preferred that, in above-mentioned lower contact, the keyway is 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 described in any one in above-mentioned technical proposal.
It is preferred that, in above-mentioned cluster type down-hole hammer, the peace coordinated on the lower shoe of the locked mechanism with the lower contact
Dress hole is two-stage shoulder hole, and wherein the aperture of second level shoulder hole is more than the aperture of first order shoulder hole, and the second level rank
Terraced hole is close to the lower surface of the lower shoe, the first order shoulder hole close to the upper surface of the lower shoe；It is described axially sliding
Groove is arranged on the hole wall of the second level shoulder hole.
It is preferred that, 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 and the junction in the annular transitional face are provided with
Angle；The chamfering is fitted with the rounding.
The utility model 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
Lower contact is used to be 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 set key, the axial slide of key and lower shoe in locked mechanism is matched somebody with somebody
Close, can prevent lower contact on locked mechanism around own axis, so as to limit whole down-hole hammer monomer in locked mechanism
It is upper to rotate, it is ensured that down-hole hammer monomer is firmly secured to locked mechanism.
The utility model also provides a kind of cluster type down-hole hammer, and it includes locked mechanism and is arranged on many on locked mechanism
Individual down-hole hammer monomer, wherein, the lower contact that the lower contact of down-hole hammer monomer provides for above-mentioned technical proposal.
The above-mentioned lower contact of down-hole hammer monomer applications in the cluster type down-hole hammer, both down-hole hammer monomer and locked mechanism are even
The reliability connect is high.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The dimensional structure diagram of the lower contact for the down-hole hammer monomer that Fig. 1 provides for the utility model embodiment；
The main structure diagram of the lower contact for the down-hole hammer monomer that Fig. 2 provides for the utility model embodiment；
The lower contact for the down-hole hammer monomer that Fig. 3 provides for the utility model embodiment and the installation diagram of lower shoe；
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.
Embodiment
The utility model embodiment discloses a kind of lower contact of down-hole hammer monomer, and the periphery of its lower contact is provided with keyway,
It is easy to lower contact to be installed in by the key being arranged in the keyway in locked mechanism in the axial slide of lower shoe, prevents lower contact
Rotate, rotated so as to limit whole down-hole hammer monomer on locked mechanism, it is ensured that down-hole hammer monomer is securely fixed
In locked mechanism.The utility model embodiment also discloses a kind of cluster type down-hole hammer, and it is applied with above-mentioned lower contact
Down-hole hammer monomer, the reliability of both down-hole hammer monomer and locked mechanism connection is high.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-Fig. 3 is referred to, the utility model embodiment 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 to be installed in locking machine by the key 200 being arranged in keyway 121
In structure in the axial slide of lower shoe 300.
Obviously, above-mentioned lower contact 100 is provided with keyway 121, is easy to set key 200, key 200 and lower shoe in locked mechanism
300 axial slide coordinates, and can prevent lower contact 100 on locked mechanism around own axis, so as to limit whole latent
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 connecting cylinder 101 and the use for being used to be fixedly connected 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 be provided with screw thread, for hammer body spiral shell
Line is connected.
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 the periphery of first order step end face 122, first
Level step end face 122 is clipped between connecting cylinder 101 and second level step end face 123, and first order step end face 122 is with being connected
Cylinder 101 is fixedly connected, the above-mentioned covering part first order step end face 122 of connecting cylinder 101.
Using when, the hammer body of down-hole hammer monomer is pressed in first order step end face 122 when being threadedly coupled with lower contact 100
Place, is on the one hand able to ensure that hammer body and lower contact 100 are closely connected, another convenience is without additionally setting both link positions of limitation
Part, both is assembled simplicity.Meanwhile, when down-hole hammer monomer is plugged in locked mechanism by lower section, the second level of lower contact 100
The mounting hole of step end face 123 and lower shoe 300 in locked mechanism coordinates, and has both prevented lower contact 100 from passing through the peace of lower shoe 300
Hole is filled, the inserting position of down-hole hammer monomer is limited 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 with second level step end face 123 by vertical outer peripheral face, erect
The junction of straight outer peripheral face and second level step end face 123 is provided with rounding 124.
Above-mentioned keyway 121 may be configured as one, be preferably arranged to multiple, and circumference of each keyway 121 along lower contact 100
It is uniformly distributed.
The utility model embodiment also provides a kind of cluster type down-hole hammer, and it includes locked mechanism and is arranged on locked mechanism
On multiple down-hole hammer monomers, wherein, down-hole hammer monomer include lower contact 100, what the lower contact 100 provided for above-described embodiment
Lower contact 100.
Above-mentioned locked mechanism includes the lower shoe 300 and upper pneumatic panel being mutually permanently connected；Top connection in down-hole hammer monomer
It is plugged in the mounting hole of pneumatic panel, lower contact 100 is plugged at the mounting hole of lower shoe 300；During assembling, first make down-hole hammer
The top connection of monomer passes through the mounting hole of lower shoe 300, is inserted into the mounting hole of pneumatic panel, while inserting lower contact 100
Enter in the mounting hole of lower shoe 300, the key 200 inserted in lower contact 100 at keyway 121 is slipped into mounting hole in lower shoe 300
In the axial slide of inwall；Finally nut is fixed at top connection and screwed.
The mounting hole coordinated in locked mechanism on lower shoe 300 with lower contact 100 is shoulder hole, and it 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 close to lower shoe 300
Lower surface, first order shoulder hole is close to the upper surface of lower shoe 300；Above-mentioned axial slide is arranged on the hole of second level shoulder hole
On wall.It on lower shoe 300 towards the surface of upper pneumatic panel, lower surface is deviated from lower shoe 300 that the upper surface of lower shoe 300, which is,
The surface of upper pneumatic panel.
In the program, the mounting 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 with the hole wall of second level shoulder hole by annular transitional face；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 cooperated
With rounding 124, uniformly transfer interaction force between the two, it is to avoid because local pressure is excessive and damages, service life is long.Together
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, impulsive force can be transferred to bottom plate in application process, so that whole locked mechanism shares above-mentioned impulsive force jointly.
The above-mentioned lower contact 100 of down-hole hammer monomer applications in the cluster type down-hole hammer that the utility model embodiment is provided, dives
The reliability of both drift monomer and locked mechanism connection is high.Certainly, the cluster type down-hole hammer that the utility model embodiment is provided
Also there are other effects of the relevant down-hole hammer monomer of above-described embodiment offer, will not be repeated here.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, 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 new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
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 it is described under connect
Head is used to be 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 includes being used for and the down-hole hammer monomer
The connecting cylinder that is fixedly connected of hammer body and mounting cylinder for being assemblied in the lower shoe；The connecting cylinder and the mounting cylinder are solid
Fixed connection, and both axis coincidences；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 circle in the second level step end face of 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 junction of the vertical outer peripheral face and the second level step end face is provided with
Circle.
5. lower contact according to claim 1, it is characterised in that the keyway is multiple, and the keyway is described in
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 include 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 it is described
The mounting 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 close to the lower surface of the lower shoe, the first order shoulder hole close to 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 on the mounting cylinder of the lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195880.3U CN206409185U (en) | 2016-10-28 | 2016-10-28 | The lower contact of down-hole hammer monomer and cluster type down-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195880.3U CN206409185U (en) | 2016-10-28 | 2016-10-28 | The lower contact of down-hole hammer monomer and cluster type down-hole hammer |
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| Publication Number | Publication Date |
|---|---|
| CN206409185U true CN206409185U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195880.3U Active CN206409185U (en) | 2016-10-28 | 2016-10-28 | The lower contact of down-hole hammer monomer and cluster type down-hole hammer |
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| CN (1) | CN206409185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437495A (en) * | 2016-10-28 | 2017-02-22 | 北京中车重工机械有限公司 | Lower connector for single downhole hammer and cluster downhole hammer |
-
2016
- 2016-10-28 CN CN201621195880.3U patent/CN206409185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437495A (en) * | 2016-10-28 | 2017-02-22 | 北京中车重工机械有限公司 | Lower connector for single downhole hammer and cluster downhole hammer |
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