CN201062493Y - Drill shank for rock-drilling - Google Patents
Drill shank for rock-drilling Download PDFInfo
- Publication number
- CN201062493Y CN201062493Y CNU2007201123930U CN200720112393U CN201062493Y CN 201062493 Y CN201062493 Y CN 201062493Y CN U2007201123930 U CNU2007201123930 U CN U2007201123930U CN 200720112393 U CN200720112393 U CN 200720112393U CN 201062493 Y CN201062493 Y CN 201062493Y
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- China
- Prior art keywords
- drill steel
- adapter sleeve
- side edge
- utility
- rock drilling
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Abstract
The utility model relates to a drill rod used for rock drilling. The utility model comprises a drill rod main bodies (8), which are connected through connecting sleeves (1), the utility model is characterized in that the connecting sleeve (1) comprises two chambers (4) symmetrically arranged, the cross section of the connecting sleeve (1) is H-shaped, the internal inner side edge (2) at one end of the H-shaped cross section of the connecting sleeve (1) is truncated cone shape, and an external inner side edge (3) connected at the big end of the internal inner side edge (2) is hexahedral shape. The utility model solves the problem that the small section of the drill rod left after being used can not be reused and the material is wasted, after the connecting sleeve is adopted, not only the rock drilling drill rod can be used as far as possible, the raw material can be used to the maximum extension to economize the material, but also the connection of the connecting sleeve is extremely firm and not easy to be dropped off.
Description
Technical field
The utility model relates to a kind of drill steel, is the drill steel that a kind of rock drilling that has adapter sleeve is used specifically.
Background technology
At industrial departments such as mining, water conservancy, railway and building materials, hammer drill is the most frequently used engineering equipment, and along with the constantly bringing forth new ideas and popularizing of heavy efficient hydraulic hammer drill, its matching used drill steel will directly influence the efficient and the rock drilling cost of hammer drill application life.Though drill steel all has strict demand from many technologies such as selection, system pricker and heat treatments, but is prone to weak link, make the drill steel life-span receive influence, and the method for attachment of drill steel is a key factor of drill steel length in application life.At present, the drill rod of use has two kinds of taper connection drill steel and screw connection drill rods.Preceding a kind of drill steel is applicable to the Drilling shallow bore hole, and its relies on bit shank to be connected with hammer drill, relies on an end that has centrum to link to each other with bore bit; A kind of screw connection drill rod in back is applicable to the Drilling deep hole, along with the extension of hole depth, by the negative thread sleeve ground of drill steel that two ends have pin thread is coupled together, and cut a hole behind the hole again ground of need and has dismantled.The connected mode of these two kinds of drill steels all comes with some shortcomings, and adopts the be threaded drill steel of use of negative and positive to be easy to fracture, and processed complex, and cost of production is higher; And the sort of common taper connection is enclosed within and comes off easily in the use, causes the waste of energy and material.
As mentioned above, there is following deficiency in prior art: the be threaded drill steel of use of negative and positive is easy to fracture, and processed complex, and cost of production is higher; Common taper connection cover connects drill steel and in use comes off easily, causes the waste of energy and material.
Summary of the invention
The utility model has solved the be threaded drill steel of use of negative and positive that prior art exists and has been easy to fracture, and processed complex, and the cost of production problem of higher provides a kind of and has been connected firmly, the drill steel that processing is simple and cost low rock drilling is used.
The utility model has also solved common taper connection cover that prior art exists and has been connected in the use and comes off easily, cause the waste and the drill steel rotation easily in use of energy and material, quicken the drill steel wear problems, provide a kind of adapter sleeve in use not come off, save the drill steel that material and non-rotary rock drilling are used.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: the drill steel that a kind of rock drilling is used, comprise the drill steel body, this drill steel body connects by adapter sleeve, it is characterized in that described adapter sleeve comprises two chambers, this two chamber is symmetrical arranged, and this adapter sleeve cross section becomes H shape, and the interior inner side edge of described adapter sleeve H tee section one end is a truncated cone-shaped, and the outer inner side edge that joins with the big end of interior inner side edge is six angular.Drill steel pricker pin part forms broad in the middle through the mould compacting, the drill steel pricker pin that two is little, and then through the connection of adapter sleeve and the compacting of the mould of special use, broad in the middle, the cone-shaped drill steel pricker pin that two is little and the part of drill steel hexagonal are wrapped in the adapter sleeve, concrete cooperation is exactly six angular cooperations of outer inner side edge of six angular and adapter sleeves of drill steel, the taper of drill steel front end then cooperates with the truncated cone-shaped of the interior inner side edge of adapter sleeve, when having cut a hole grotto, pull out drill steel like this, adapter sleeve is come off, and the cooperation of some is six angular cooperations, therefore the wearing and tearing of also having avoided drill steel to cause because of rotation.And adapter sleeve processing is simple, and cost of production is lower, and difficult drop-off in use, makes the materials of drill steel can arrive maximization, has saved material.
As preferably, the outside diameter of inner side edge equals the diagonal distance of six angular outer inner side edges in the truncated cone-shaped of described adapter sleeve.Like this when drill steel taper one end cooperates with adapter sleeve, six angular cooperations of the outer inner side edge of six angular and adapter sleeves of drill steel, the taper of drill steel front end then cooperates with the truncated cone-shaped of the interior inner side edge of adapter sleeve, the outside diameter of inner side edge equals the diagonal distance of six angular outer inner side edges in this truncated cone-shaped, the diagonal distance of certain six angular outer inner side edges also can be less times greater than the outside diameter of inner side edge in the truncated cone-shaped, in use, the big end of drill steel taper can block the angular limit of adapter sleeve six, make the adapter sleeve difficult drop-off, use also relatively safety.
As preferably, chamber on the described adapter sleeve and drill steel tapering point are gapped.Drill steel can produce wearing and tearing after rock drilling, and drill steel and adapter sleeve end also can produce wearing and tearing because of vibration, hollow joint has just been arranged between the inner side edge of drill steel tapering point and adapter sleeve like this, and the auto-lock function that the existence in this gap just can utilize the conical in shape of drill steel and adapter sleeve to cooperate, guarantee to have produced wearing and tearing long afterwards at drill steel and adapter sleeve use, can also continue firm use with the drill steel rock drilling that adapter sleeve connects, save material, and saved the time.
The utility model is skillfully constructed, and the design of and truncated cone-shaped angular by adapter sleeve six makes it have following beneficial effect compared with the prior art:
Processing is simple, and cost of production is lower, and difficult drop-off in use, makes the materials of drill steel can arrive maximization, has saved material.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structural representation of adapter sleeve.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described further.
Embodiment 1.See Fig. 1 and Fig. 2, the drill steel that this routine a kind of rock drilling is used, comprise drill steel body 8, this drill steel body 8 connects (as shown in Figure 1) by adapter sleeve 1, adapter sleeve 1 comprises two chambers 4, and this two chamber 4 is symmetrical arranged, and this adapter sleeve 1 cross section becomes H shape, the interior inner side edge 2 of described adapter sleeve 1H tee section one end is a truncated cone-shaped, and the outer inner side edge 3 that joins with interior inner side edge 2 big ends was six angular (as shown in Figure 2).The outside diameter of inner side edge 2 equals the diagonal distance (as shown in Figure 1) of six angular outer inner side edges 3 in this truncated cone-shaped.When drill steel taper one end cooperates with adapter sleeve, six angular ends 6 of drill steel cooperate with six angular ends 3 of the outer inner side edge of adapter sleeve, the tapered front end 7 of drill steel then cooperates with the truncated cone-shaped end 2 of the interior inner side edge of adapter sleeve, during use, the big end of drill steel taper can block the angular limit of adapter sleeve six, make the adapter sleeve difficult drop-off, use also relatively safety.
Wherein, the chamber on the adapter sleeve 14 and drill steel tapering point gapped 5 (as shown in Figure 1).The auto-lock function that the existence in this gap just can utilize the conical in shape of drill steel and adapter sleeve to cooperate, guarantee to have produced wearing and tearing long afterwards at drill steel and adapter sleeve use, can also continue firm use with the drill steel rock drilling that adapter sleeve connects, save material, and saved the time.
It is apparent to one skilled in the art that the utility model can be changed into multiple mode, and such change is not thought and broken away from scope of the present utility model.What all were such will be included within the scope of this claim the conspicuous modification of described those skilled in the art.
Claims (3)
1. drill steel that rock drilling is used, comprise drill steel body (8), this drill steel body (8) connects by adapter sleeve (1), it is characterized in that described adapter sleeve (1) comprises two chambers (4), this two chamber (4) is symmetrical arranged, and this adapter sleeve (1) cross section becomes H shape, and the interior inner side edge (2) of described adapter sleeve (1) H tee section one end be a truncated cone-shaped, and it is six angular holding the outer inner side edge (3) that joins greatly with interior inner side edge (2).
2. the drill steel that rock drilling according to claim 1 is used is characterized in that the outside diameter of inner side edge (2) in described adapter sleeve (1) truncated cone-shaped equals the diagonal distance of six angular outer inner side edges (3).
3. the drill steel that rock drilling according to claim 1 and 2 is used is characterized in that chamber (4) and drill steel (8) tapering point gapped (5) on the described adapter sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201123930U CN201062493Y (en) | 2007-07-27 | 2007-07-27 | Drill shank for rock-drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201123930U CN201062493Y (en) | 2007-07-27 | 2007-07-27 | Drill shank for rock-drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201062493Y true CN201062493Y (en) | 2008-05-21 |
Family
ID=39450864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201123930U Expired - Fee Related CN201062493Y (en) | 2007-07-27 | 2007-07-27 | Drill shank for rock-drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201062493Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797426A (en) * | 2012-08-29 | 2012-11-28 | 三一重型装备有限公司 | Water-supply device of rock drill and rock drill |
-
2007
- 2007-07-27 CN CNU2007201123930U patent/CN201062493Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797426A (en) * | 2012-08-29 | 2012-11-28 | 三一重型装备有限公司 | Water-supply device of rock drill and rock drill |
| CN102797426B (en) * | 2012-08-29 | 2015-04-29 | 三一重型装备有限公司 | Water-supply device of rock drill and rock drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Fanglai Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20100727 |