CN208564458U - A kind of bit shank sleeve - Google Patents
A kind of bit shank sleeve Download PDFInfo
- Publication number
- CN208564458U CN208564458U CN201821191853.8U CN201821191853U CN208564458U CN 208564458 U CN208564458 U CN 208564458U CN 201821191853 U CN201821191853 U CN 201821191853U CN 208564458 U CN208564458 U CN 208564458U
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- mounting hole
- threaded
- bit shank
- threaded block
- hole
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Abstract
The utility model relates to rock drill technical fields, in particular to a kind of bit shank sleeve.A kind of bit shank sleeve, including main body and at least two threaded blocks.Mounting hole is provided at the both ends of main body.Threaded block is movably disposed in mounting hole, and it can be moved in mounting hole along the radial direction of mounting hole, threaded block includes the first side of close inner wall of the hole installing and the second side for the central axis for being right against mounting hole, it is configured with screw thread on the second side, second side for limiting threaded joints jointly.The bit shank nested structure is simple, and convenient disassembly can effectively improve construction efficiency.
Description
Technical field
The utility model relates to rock drill technical fields, in particular to a kind of bit shank sleeve.
Background technique
Generally in rock drilling machine in drilling, rock drilling machine is threadedly coupled by bit shank sleeve and drives armature boring, drilling
To certain depth, drilling machine, which needs to reverse, is mutually disengaged bit shank sleeve with the anchor pole being connected.But in reality is practical, bit shank sleeve warp
Often asphyxia by external pressure on the chest and abdomen occurs for the screw thread between anchor pole, causes to be not easily disconnected from when reversing, bit shank sleeve is not easy to disassemble.Which results in constructing
Because of the inefficiency that bit shank sleeve is not easy to disassemble and generates in journey.
Utility model content
The purpose of this utility model is to provide a kind of bit shank sleeves, and the bit shank nested structure is simple, and convenient disassembly can be effective
Improve construction efficiency.
The embodiments of the present invention are achieved in that
A kind of bit shank sleeve, including main body and at least two threaded blocks；
Mounting hole is provided at the both ends of main body；
Threaded block is movably disposed in mounting hole, and can be moved in mounting hole along the radial direction of mounting hole, spiral shell
Line block includes the first side of close inner wall of the hole installing and the second side for the central axis for being right against mounting hole, in second side
Upper to be configured with screw thread, second side for limiting threaded joints jointly.
The bit shank sleeve includes main body and at least two threaded blocks.Wherein, mounting hole is provided at the both ends of main body, two
Mounting hole is respectively used to connect with rock drill with spiral thread on anchor bolt.During the bit shank sleeve is set, the work of the mounting hole at both ends
With being to be connect respectively with rock drill with spiral thread on anchor bolt.Further, threaded block is movably disposed in mounting hole, and can be along peace
The radial direction in dress hole moves in mounting hole, and threaded block includes the first side of close inner wall of the hole installing and is right against mounting hole
Central axis second side, on the second side be configured with screw thread, second side for jointly limit threaded joints.By
In threaded block be arranged in mounting hole, and the second side for the multiple threaded blocks being arranged in mounting hole be collectively formed for
The threaded joints of the external screw thread connection of the connecting pin of rock drill or anchor pole, and when threaded block is arranged, due to threaded block and peace
Dress hole is movably connected, and multiple threaded blocks can be moved along the radial direction of mounting hole, thus can pass through threaded block
Movement to change the sizes of threaded joints.
Thus when the bit shank sleeve is not connect with anchor pole or rock drill, it can be by the movement of threaded block so that screw thread connects
The size of socket part becomes smaller or becomes larger, to cooperate with anchor pole or the external screw thread of the connecting pin of rock drill.And with anchor pole or rock drilling
Machine connect during when there is the case where locking, by the movement of threaded block so that becoming large-sized for threaded joints,
The case where effective solution locking, effectively improves construction in order to which bit shank sleeve and anchor pole or rock drill to be disconnected
Efficiency.
In an embodiment of the present invention:
The mounting groove for installing threaded block, the side wall of mounting groove penetrating mounting holes are provided on the side wall of mounting hole；
Installation set is also arranged with outside mounting hole, the outer wall thread connection of installation set and mounting hole is also set in installation set
It is equipped with the threaded hole of connection corresponding with mounting groove；
Bit shank sleeve further includes active screw, and active screw is threadedly coupled with threaded hole, and active screw protrudes into mounting hole
Interior one end is connect with threaded block, drives threaded block in the radial direction of mounting hole with the movement by active screw relative to threaded hole
Direction movement.
In an embodiment of the present invention:
Bit shank sleeve includes four threaded blocks；
Around the central axial direction of mounting hole, 90 ° are spaced between adjacent threaded block.
In an embodiment of the present invention:
On the first side configured with the connecting hole being threadedly coupled with active screw.
In an embodiment of the present invention:
Second side is arcwall face.
In an embodiment of the present invention:
The bottom of mounting groove is provided with positioning region.
In an embodiment of the present invention:
Bit shank sleeve includes multiple threaded holes of penetrating mounting holes side wall and the active screw that is threadedly coupled with threaded hole, spiral shell
Pit and active screw are corresponding with threaded block, and one end that active screw protrudes into mounting hole is connect with threaded block.
In an embodiment of the present invention:
Along the radial direction of mounting hole, the mounting groove for installing threaded block is provided on the inner wall of mounting hole.
In an embodiment of the present invention:
Guide frame is additionally provided between mounting groove and the mating surface of threaded block, guide frame is for guiding threaded block edge
The radial direction of mounting hole moves.
In an embodiment of the present invention:
Guide frame includes the guide protrusions installed in groove sidewall being arranged in, and the guiding being arranged on threaded block is recessed
Slot, guiding groove are used to cooperate with guide protrusions.
The technical solution of the utility model at least has the following beneficial effects:
Bit shank nested structure provided by the utility model is simple, and convenient disassembly can effectively improve construction efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of bit shank sleeve in the utility model embodiment 1；
Fig. 2 is the decomposition diagram of bit shank sleeve in the utility model embodiment 1；
Fig. 3 is the structural schematic diagram of threaded block in the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of threaded block in the utility model embodiment 1；
Fig. 5 is the structural schematic diagram of threaded block in the utility model embodiment 1；
Fig. 6 is the structural schematic diagram of bit shank sleeve in the utility model embodiment 2；
Fig. 7 is the decomposition diagram of bit shank sleeve in the utility model embodiment 2；
Fig. 8 is the structural schematic diagram of threaded joints in the utility model embodiment 2.
Icon: 200- bit shank sleeve；220- mounting hole；230- threaded block；231- first side；232- second side；240-
Threaded joints；211- mounting groove；250- installation set；251- threaded hole；260- active screw；232- connecting hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that the orientation of the instructions such as term "inner", "lower" or
Positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the side usually put
Position or positional relationship, are merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise,
Term " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can be directly connected, two elements can also be can be indirectly connected through an intermediary
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the utility model with concrete condition
In concrete meaning.
Embodiment 1
Please refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 shows the specific structures of the bit shank sleeve 200 provided in embodiment 1.
As can be seen that the bit shank sleeve 200 includes 230 (the present embodiment of main body and at least two threaded blocks from Fig. 1 and Fig. 2
In use four threaded blocks 230).
Wherein, it is provided with mounting hole 220 at the both ends of main body, two mounting holes 220 are respectively used to and rock drill and anchor
Bar is threadedly coupled.It should be noted that the effect of the mounting hole 220 at both ends is difference during bit shank sleeve 200 are arranged
It is connect with rock drill with spiral thread on anchor bolt, and since rock drill and anchor pole are different from the diameter parameters of the connecting pin of mounting hole 220, therefore
The size of the mounting hole 220 at both ends can be configured according to the size of specific rock drill and anchor pole, and in the present embodiment, two
For the mounting hole 220 at end in addition to size is different, working principle and structure are all identical, therefore in subsequent description, no longer to two
The mounting hole 220 at end distinguishes description.
It further, referring to figure 3. and Fig. 4, threaded block 230 are movably disposed in mounting hole 220, and can be along installation
The radial direction in hole 220 moves in mounting hole 220, and threaded block 230 includes the first side 231 close to 220 inner wall of mounting hole
And it is right against the second side 232 of the central axis of mounting hole 220, screw thread, second side are configured in second side 232
232 for limiting threaded joints 240 jointly.Since threaded block 230 is arranged in mounting hole 220, and it is arranged in mounting hole
The second side 232 of multiple threaded blocks 230 in 220 is collectively formed for connecting with rock drill or the external screw thread of the connecting pin of anchor pole
The threaded joints 240 connect, and when threaded block 230 is arranged, since threaded block 230 is movably connected with mounting hole 220, and
And multiple threaded blocks 230 can be moved along the radial direction of mounting hole 220, thus can by the movement of threaded block 230 to
Change the size of threaded joints 240.
It should be noted that the central axis of threaded joints 240 is overlapped with the central axis of mounting hole 220.Pass through spiral shell
The movement of line block 230 can change the size of threaded joints 240, enable threaded joints 240 with it is various sizes of outer
Screw thread is threadedly coupled.When the bit shank sleeve 200 is not connect with anchor pole or rock drill, the fortune of threaded block 230 can be passed through
It moves so that the size of threaded joints 240 becomes smaller or becomes larger, to cooperate with anchor pole or the external screw thread of the connecting pin of rock drill.And
When there is the case where locking during connecting with anchor pole or rock drill, by the movement of threaded block 230 so that being threadedly coupled
Portion 240 becomes large-sized, can effective solution locking the case where, in order to which bit shank sleeve 200 and anchor pole or rock drill are detached from
Connection, effectively improves the efficiency of construction.
Further, 2 and Fig. 5 is please referred to, in the present embodiment, to enable the shape in mounting hole 220 of threaded block 230
While at threaded joints 240, and by being flexibly connected with mounting hole 220, so that threaded joints can be adjusted by playing
The effect of 240 size, therefore the mounting groove 211 for installing threaded block 230 is provided on the side wall of mounting hole 220, it installs
The side wall of 211 penetrating mounting holes 220 of slot；And installation set 250 is also arranged with outside mounting hole 220, installation set 250 and mounting hole
220 outer wall thread connection, is additionally provided with the threaded hole 251 of connection corresponding with mounting groove 211 in installation set 250；Passing through will
Active screw 260 is threadedly coupled with threaded hole 251, and active screw 260 protrudes into one end and threaded block in mounting hole 220
230 connections, so as to pass through rotation active screw 260, to adjust the length that active screw 260 protrudes into mounting hole 220, by
This can drive threaded block 230 in the radial direction of mounting hole 220 by active screw 260 relative to the movement of threaded hole 251
Movement, to be adjusted to the size of threaded joints 240.It, can be with it should be noted that in this active screw 260
The quantity of active screw 260 is adjusted according to actual applicable cases, to improve the stability of connection, and in the present embodiment, often
A threaded block 230 is correspondingly connected with there are two active screw 260.
Further, in the present embodiment, stabilization when being that anchor pole or rock drill connect for raising threaded joints 240
Property, thus the bit shank sleeve 200 include four threaded blocks 230, four threaded blocks 230 around the central axial direction of mounting hole 220 according to
Minor tick setting, and 90 ° are spaced between adjacent threaded block 230.
Further, be the connection convenient for active screw 260 and threaded block 230, thus in first side 231 configured with
The connecting hole 232 that active screw 260 is threadedly coupled, so that active screw 260 and threaded block 230 are detachably connected, this
Set-up mode, the maintenance of threaded block 230 can be convenient for, while threaded block 230 can be conveniently replaceable.
It is the connective stability in anchor pole or rock drill connection procedure to increase threaded joints 240, it can be by second
Side 232 is set as arcwall face, to improve the stability of connection by way of increasing contact area.
Further, to guarantee the anchor pole that connect with the threaded joints 240 in the mounting hole 220 at both ends or rock drilling function
Enough coaxial lines, therefore the bottom of mounting groove 211 is provided with positioning region, by the setting of positioning region to guarantee through bit shank sleeve 200
The rock drill and anchor pole coaxial line being attached.It should be noted that positioning region can be the bottom that mounting groove 211 is arranged in
Groove or other kinds of fit structure, effect are to be that threaded joints 240 are threadedly engaged simultaneously in rock drill and anchor pole
When protruding into mounting hole 220 relatively, once the rock drill or anchor pole at both ends can cooperate with positioning region, it can guarantee both ends at this time
Rock drill and anchor pole it is coaxial, if the rock drill and/or anchor pole at both ends do not cooperate with positioning region, i.e. the rock drill and anchor at both ends
Bar is not coaxial, just needs to be adjusted by position of the active screw 260 to threaded joints 240 at this time, until rock machine or anchor
Bar can cooperate with positioning region.
Embodiment 2
Fig. 6-Fig. 8, Fig. 6-Fig. 8 are please referred to, the specific structure of the bit shank sleeve 200 provided in embodiment 2 is provided.
The structure of itself and the bit shank sleeve 200 in embodiment 1 is substantially the same, and is provided with mounting hole 220 at the both ends of main body,
Two mounting holes 220 are respectively used to connect with rock drill with spiral thread on anchor bolt.It should be noted that the bit shank sleeve 200 is arranged
In the process, the effect of the mounting hole 220 at both ends be connect respectively with rock drill with spiral thread on anchor bolt, and due to rock drill and anchor pole with
The diameter parameters of the connecting pin of mounting hole 220 are different, therefore the size of the mounting hole 220 at both ends can be according to specific rock drill and anchor
The size of bar is configured, and in the present embodiment, the mounting hole 220 at both ends is in addition to size is different, working principle and knot
Structure is all identical, therefore in subsequent description, description no longer is distinguished to the mounting hole 220 at both ends.
Further, threaded block 230 (please refer to the setting of the threaded block in embodiment 1, as Figure 2-3) is movably
It is arranged in mounting hole 220, and can be moved in mounting hole 220 along the radial direction of mounting hole 220, threaded block 230 includes leaning on
The first side 231 of nearly 220 inner wall of mounting hole and the second side 232 for the central axis for being right against mounting hole 220, in second side
Screw thread is configured on face 232, second side 232 for limiting threaded joints 240 jointly.Since the setting of threaded block 230 is being pacified
It fills in hole 220, and the second side 232 for the multiple threaded blocks 230 being arranged in mounting hole 220 is collectively formed and is used for and rock drilling
The threaded joints 240 of the external screw thread connection of the connecting pin of machine or anchor pole, and when threaded block 230 is arranged, due to threaded block 230
It is movably connected with mounting hole 220, and multiple threaded blocks 230 can be moved along the radial direction of mounting hole 220, thus just
The size of threaded joints 240 can be changed by the movement of threaded block 230.
It should be noted that the central axis of threaded joints 240 is overlapped with the central axis of mounting hole 220.Pass through spiral shell
The movement of line block 230 can change the size of threaded joints 240, enable threaded joints 240 with it is various sizes of outer
Screw thread is threadedly coupled.When the bit shank sleeve 200 is not connect with anchor pole or rock drill, the fortune of threaded block 230 can be passed through
It moves so that the size of threaded joints 240 becomes smaller or becomes larger, to cooperate with anchor pole or the external screw thread of the connecting pin of rock drill.And
When there is the case where locking during connecting with anchor pole or rock drill, by the movement of threaded block 230 so that being threadedly coupled
Portion 240 becomes large-sized, can effective solution locking the case where, in order to which bit shank sleeve 200 and anchor pole or rock drill are detached from
Connection, effectively improves the efficiency of construction.
Further, in the present embodiment, to enable threaded block 230 to form threaded joints in mounting hole 220
While 240, and by being flexibly connected with mounting hole 220, to play the work that can adjust the size of threaded joints 240
With, therefore multiple threaded holes 251 of bit shank sleeve 200 including 220 side wall of penetrating mounting holes and the work being threadedly coupled with threaded hole 251
Dynamic screw 260, threaded hole 251 and active screw 260 are corresponding with threaded block 230, and active screw 260 protrudes into mounting hole 220
Interior one end is connect with threaded block 230.
So as to pass through rotation active screw 260, to adjust the length that active screw 260 protrudes into mounting hole 220, by
This can drive threaded block 230 in the radial direction of mounting hole 220 by active screw 260 relative to the movement of threaded hole 251
Movement, to be adjusted to the size of threaded joints 240.It, can be with it should be noted that in this active screw 260
The quantity of active screw 260 is adjusted according to actual applicable cases, to improve the stability of connection, and in the present embodiment, often
A threaded block 230 is correspondingly connected with there are two active screw 260.
Further, convenient for the positioning and installation of threaded block 230, along the radial direction of mounting hole 220, in mounting hole 220
Inner wall on be provided with mounting groove (not shown) for installing threaded block 230.It meanwhile being guidance threaded block 230 along peace
The radial direction movement in hole 220 is filled, therefore is additionally provided with and leads between mounting groove (not shown) and the mating surface of threaded block 230
To structure, guide frame is for guiding threaded block 230 to move along the radial direction of mounting hole 220.Specifically, guide frame includes
Guide protrusions on mounting groove (not shown) side wall are set, and the guiding groove being arranged on threaded block 230, are oriented to
Groove is used to cooperate with guide protrusions.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of bit shank sleeve characterized by comprising
Main body is provided with mounting hole at the both ends of the main body；
At least two threaded blocks, the threaded block are movably disposed in the mounting hole, and can be along the diameter of the mounting hole
It is moved in the mounting hole to direction, the threaded block includes the first side of the close inner wall of the hole installing and is right against institute
The second side for stating the central axis of mounting hole is configured with screw thread in the second side, and the second side is for common
Limit threaded joints.
2. bit shank sleeve according to claim 1, it is characterised in that:
The mounting groove for installing the threaded block is provided on the side wall of the mounting hole, the mounting groove runs through the peace
Fill the side wall in hole；
Installation set is also arranged with outside the mounting hole, the installation set is connect with the outer wall thread of the mounting hole, described
The threaded hole of connection corresponding with the mounting groove is additionally provided in installation set；
The bit shank sleeve further includes active screw, and the active screw is threadedly coupled with the threaded hole, and the movable screw
It follows closely the one end protruded into the mounting hole to connect with the threaded block, to pass through the active screw relative to the threaded hole
Movement drives the threaded block to move in the radial direction of the mounting hole.
3. bit shank sleeve according to claim 2, it is characterised in that:
The bit shank sleeve includes four threaded blocks；
Around the central axial direction of the mounting hole, 90 ° are spaced between the adjacent threaded block.
4. bit shank sleeve according to claim 2, it is characterised in that:
Configured with the connecting hole being threadedly coupled with the active screw in the first side.
5. bit shank sleeve according to claim 2, it is characterised in that:
The second side is arcwall face.
6. bit shank sleeve according to claim 2, it is characterised in that:
The bottom of the mounting groove is provided with positioning region.
7. bit shank sleeve according to claim 1, it is characterised in that:
The bit shank sleeve includes the work for running through multiple threaded holes of the mounting hole side wall and being threadedly coupled with the threaded hole
Dynamic screw, the threaded hole and the active screw are corresponding with the threaded block, and the active screw protrudes into the installation
One end in hole is connect with the threaded block.
8. bit shank sleeve according to claim 7, it is characterised in that:
Along the radial direction of the mounting hole, the installation for installing the threaded block is provided on the inner wall of the mounting hole
Slot.
9. bit shank sleeve according to claim 8, it is characterised in that:
Guide frame is additionally provided between the mounting groove and the mating surface of the threaded block, the guide frame is for guiding
The threaded block is moved along the radial direction of the mounting hole.
10. bit shank sleeve according to claim 9, it is characterised in that:
The guide frame includes the guide protrusions being arranged in the installation groove sidewall, and is arranged on the threaded block
It is oriented to groove, the guiding groove is used to cooperate with the guide protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191853.8U CN208564458U (en) | 2018-07-26 | 2018-07-26 | A kind of bit shank sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191853.8U CN208564458U (en) | 2018-07-26 | 2018-07-26 | A kind of bit shank sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564458U true CN208564458U (en) | 2019-03-01 |
Family
ID=65448178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191853.8U Active CN208564458U (en) | 2018-07-26 | 2018-07-26 | A kind of bit shank sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208564458U (en) |
-
2018
- 2018-07-26 CN CN201821191853.8U patent/CN208564458U/en active Active
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