CN103753498B - A kind of drill bit location instrument - Google Patents
A kind of drill bit location instrument Download PDFInfo
- Publication number
- CN103753498B CN103753498B CN201410039602.8A CN201410039602A CN103753498B CN 103753498 B CN103753498 B CN 103753498B CN 201410039602 A CN201410039602 A CN 201410039602A CN 103753498 B CN103753498 B CN 103753498B
- Authority
- CN
- China
- Prior art keywords
- drill bit
- location
- hole
- installing hole
- sleeve
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/18—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same withdrawing broken threaded parts or twist drills
Abstract
The embodiment of the invention discloses a kind of drill bit location instrument, for the screw taking-up from screwed hole of breaking, including sleeve and the positioning sleeve being arranged in described sleeve, described sleeve includes installation portion and fixed part, wherein, the cross section cross section of described installation portion is regular polygon structure, and described fixed part periphery is provided with the external screw thread closed with corresponding threaded holes, described positioning sleeve is provided with only can the hole, location that frees in and out of receiving drill bit, hole, described location and institute's screwed hole coaxial line.Sleeve in use, is arranged in screwed hole by the effect of spanner Yu installation portion by above-mentioned drill bit location instrument, then instills proper lubrication oil in hole, location, in boring procedure, and hole, drill bit alignment location.By adopting above-mentioned drill bit location instrument, it is possible to drill bit directly be directed at being directed at of the axis that can be realized as drill bit with screwed hole with hole, location, and precision is greatly increased compared with the mode adopting range estimation, the probability of screw thus raising taking-up is broken.
Description
Technical field
The present invention relates to technical field of tools, more particularly, it relates to a kind of drill bit location instrument.
Background technology
In various mechanical erections, screw joints is one of main connecting mode.Equally, in maintenance of equipment, the situation of disconnected screw often occur, the remainder branch of screw stays on equipment, it is necessary to take out.The main method taking disconnected screw is first to hole at the medial axis position of disconnected screw, then re-uses the ways such as silk fetching equipment and pierces disconnected screw of back-outing in this hole.
Due to rupture cross section the out-of-flatness of disconnected screw, and screw hardness is higher, is difficult to align the axis position of screw, or is gradually deviated from axis in the process of boring, cause cannot taking out disconnected screw smoothly when manual operations boring.
Therefore, how to improve the probability taking out disconnected screw, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of drill bit location instrument, to realize improving the purpose of the probability taking out disconnected screw.
For achieving the above object, the present invention provides following technical scheme:
A kind of drill bit location instrument, for the screw taking-up from screwed hole of breaking, including sleeve and the positioning sleeve being arranged in described sleeve, described sleeve includes installation portion and fixed part, wherein, the cross section cross section of described installation portion is regular polygon structure, and described fixed part periphery is provided with the external screw thread closed with corresponding threaded holes, described positioning sleeve is provided with only can the hole, location that frees in and out of receiving drill bit, hole, described location and institute's screwed hole coaxial line.
Preferably, in the instrument of above-mentioned drill bit location, described sleeve and described positioning sleeve removably connect.
Preferably, in the instrument of above-mentioned drill bit location, the installing hole being used for installing described positioning sleeve on described sleeve is shoulder hole, described shoulder hole includes the first installing hole and the second installing hole, and the sectional area of described first installing hole is more than the sectional area of described second installing hole, described first mounting hole site is in one end near described fixed part of described sleeve.
Preferably, in the instrument of above-mentioned drill bit location, described positioning sleeve includes being positioned at the first location division of described first installing hole and being positioned at the second location division of described second installing hole, described first location division and described first installing hole matched in clearance, described second location division and described second installing hole matched in clearance.
Preferably, in the instrument of above-mentioned drill bit location, described positioning sleeve includes being positioned at the first location division of described first installing hole and being positioned at the second location division of described second installing hole, described first location division and described first installing hole threaded engagement, described second location division and described second installing hole matched in clearance.
Preferably, in the instrument of above-mentioned drill bit location, described second installing hole is stretched out in described second location division.
Preferably, in the instrument of above-mentioned drill bit location, the hardness of described positioning sleeve is more than the hardness of described drill bit.
Preferably, in the instrument of above-mentioned drill bit location, the cross section cross section of described installation portion is regular hexagon structure.
Technique scheme is had to can be seen that, drill bit location instrument in the embodiment of the present invention, for the screw taking-up from screwed hole of breaking, including sleeve and the positioning sleeve being arranged in described sleeve, described sleeve includes installation portion and fixed part, wherein, the cross section cross section of described installation portion is regular polygon structure, the external screw thread that described fixed part periphery is provided with and corresponding threaded holes closes, described positioning sleeve is provided with only can the hole, location that frees in and out of receiving drill bit, hole, described location and institute's screwed hole coaxial line.
Sleeve in use, is arranged in screwed hole by the effect of spanner Yu installation portion by above-mentioned drill bit location instrument, then instills proper lubrication oil in hole, location, in boring procedure, and hole, drill bit alignment location.By adopting above-mentioned drill bit location instrument, it is possible to drill bit directly be directed at being directed at of the axis that can be realized as drill bit with screwed hole with hole, location, and precision is greatly increased compared with the mode adopting range estimation, the probability of screw thus raising taking-up is broken.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 positions the main TV structure schematic diagram during use of instrument for a kind of drill bit that the embodiment of the present invention provides；
The perspective view of a kind of drill bit location instrument that Fig. 2 provides for the embodiment of the present invention.
In Fig. 1 to Fig. 2:
1 it is sleeve, 2 is positioning sleeve, 3 is disconnected screw, 4 is drill bit, 5 is screwed hole；
11 be installation portion, 12 for fixed part；
21 be the first location division, 22 be the second location division, 23 for location hole.
Detailed description of the invention
For this, core of the present invention is open a kind of drill bit location instrument, to realize improving the purpose of the probability taking out disconnected screw.Hereinafter, with reference to accompanying drawing, embodiment is illustrated.Additionally, the summary of the invention described in claim is not played any restriction effect by embodiments illustrated below.It addition, the full content of the composition represented by example below is not limited to necessary to the solution as the invention described in claim.
As shown in Figure 1 to Figure 2, this drill bit location instrument, for the screw 3 taking-up from screwed hole 5 of breaking, including sleeve 1 and the positioning sleeve 2 being arranged in sleeve 1, sleeve 1 includes installation portion 11 and fixed part 12, wherein, the cross section cross section of installation portion 11 is regular polygon structure, fixed part 12 periphery is provided with the external screw thread matched with screwed hole 5, positioning sleeve 2 is provided with only can the hole, location 23 that frees in and out of receiving drill bit 4, hole, location 23 and institute's screwed hole 5 coaxial line.
Sleeve 1 in use, is arranged in screwed hole 5 by the effect of spanner Yu installation portion 11 by above-mentioned drill bit location instrument, then instills proper lubrication oil in hole 23, location, in boring procedure, and hole 23, drill bit 4 alignment location.By adopting above-mentioned drill bit location instrument, it is possible to drill bit 4 directly be directed at being directed at of the axis that can be realized as drill bit 4 with screwed hole 5 with hole 23, location, and precision is greatly increased compared with the mode adopting range estimation, the probability of screw 3 thus raising taking-up is broken.
The cross section cross section of installation portion 11 is regular polygon structure, it is intended to convenient wrench mounts and dismounts, and preferably employs regular hexagon structure in the embodiment of the present invention.
Wherein, above-mentioned sleeve 1 and positioning sleeve 2 can be processed into integral structure, or sleeve 1 removably connects with positioning sleeve 2.
Further, since positioning sleeve 2 part can produce collision with drill bit 4 in the location instrument use procedure of this drill bit, therefore, in order to extend the service life of this instrument, the hardness of the hardness ratio drill bit 4 of positioning sleeve 2 is high.
In order to reduce processing cost, the embodiment of the present invention preferably adopts sleeve 1 and the design of positioning sleeve 2 split-type structural.Introduce the installation form of several positioning sleeve 2 and sleeve 1 in detail below.
In the instrument of above-mentioned drill bit location, the installing hole being used for installing positioning sleeve 2 on sleeve 1 is shoulder hole, shoulder hole includes the first installing hole and the second installing hole, and the sectional area of the first installing hole is more than the sectional area of the second installing hole, and the first mounting hole site is in one end near fixed part 12 of sleeve 1.
Wherein, in said structure, positioning sleeve 2 can all be placed in the first installing hole, or positioning sleeve 2 some be placed in the first installing hole, some is placed in the second installing hole.Wherein, the fixed form of positioning sleeve 2 and the first installing hole is for threadeding or matched in clearance or interference fits.
When 2 points of two parts of positioning sleeve and the first installing hole and the second installing hole coordinate, positioning sleeve 2 includes the first location division 21 being positioned at the first installing hole and the second location division 22 being positioned at the second installing hole, first location division 21 and the first installing hole matched in clearance, the second location division 22 and the second installing hole matched in clearance.
Or, positioning sleeve 2 includes the first location division 21 being positioned at the first installing hole and the second location division 22 being positioned at the second installing hole, the first location division 21 and the first installing hole threaded engagement, the second location division 22 and the second installing hole matched in clearance.
Wherein, the second location division 22 is entirely located in the second installing hole, or maintains an equal level with the end of the second installing hole or stretch out the second installing hole.
In order to match with different size of screwed hole 5, the screw thread of sleeve 1 makes all size；Meanwhile, for the drill bit 4 suitable in different-diameter size, the centre bore of positioning sleeve 2 also makes various different-diameter.In concrete use, sleeve 1 and positioning sleeve 2 can select respectively, then work in coordination and use together.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (6)
1. a drill bit location instrument, for the screw taking-up from screwed hole of breaking, it is characterized in that, including sleeve and the positioning sleeve being arranged in described sleeve, described sleeve includes installation portion and fixed part, wherein, the cross section cross section of described installation portion is regular polygon structure, described fixed part periphery is provided with the external screw thread closed with corresponding threaded holes, being provided with on described positioning sleeve only can the hole, location that frees in and out of receiving drill bit, hole, described location and institute's screwed hole coaxial line, described sleeve and described positioning sleeve removably connect, the installing hole being used for installing described positioning sleeve on described sleeve is shoulder hole, described shoulder hole includes the first installing hole and the second installing hole, and the sectional area of described first installing hole is more than the sectional area of described second installing hole, described first mounting hole site is in one end near described fixed part of described sleeve；Described positioning sleeve is all placed in described first installing hole, or described positioning sleeve some be placed in described first installing hole, some is placed in described second installing hole, wherein, the fixed form of described positioning sleeve and described first installing hole is for threadeding or matched in clearance or interference fits.
2. drill bit location as claimed in claim 1 instrument, it is characterized in that, described positioning sleeve includes being positioned at the first location division of described first installing hole and being positioned at the second location division of described second installing hole, described first location division and described first installing hole matched in clearance, described second location division and described second installing hole matched in clearance.
3. drill bit location as claimed in claim 1 instrument, it is characterized in that, described positioning sleeve includes being positioned at the first location division of described first installing hole and being positioned at the second location division of described second installing hole, described first location division and described first installing hole threaded engagement, described second location division and described second installing hole matched in clearance.
4. drill bit location as claimed in claim 2 instrument, it is characterised in that described second installing hole is stretched out in described second location division.
5. drill bit location as claimed in claim 4 instrument, it is characterised in that the hardness of described positioning sleeve is more than the hardness of described drill bit.
6. the drill bit location instrument as according to any one of claim 1 to 5, it is characterised in that the cross section cross section of described installation portion is regular hexagon structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039602.8A CN103753498B (en) | 2014-01-27 | 2014-01-27 | A kind of drill bit location instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039602.8A CN103753498B (en) | 2014-01-27 | 2014-01-27 | A kind of drill bit location instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103753498A CN103753498A (en) | 2014-04-30 |
| CN103753498B true CN103753498B (en) | 2016-07-06 |
Family
ID=50520898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410039602.8A Expired - Fee Related CN103753498B (en) | 2014-01-27 | 2014-01-27 | A kind of drill bit location instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103753498B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552133B (en) * | 2014-12-19 | 2017-02-08 | 连云港中复连众复合材料集团有限公司 | Taking-out method for embedded positioning screw bolt at root part of wind power blade |
| CN104972432A (en) * | 2015-07-14 | 2015-10-14 | 柳州铁道职业技术学院 | Broken head detaching tool for gasoline engine sparking plug |
| CN105835002A (en) * | 2016-04-29 | 2016-08-10 | 湘电风能有限公司 | Fractured bolt withdrawing device |
| CN106767409A (en) * | 2016-12-22 | 2017-05-31 | 中国核工业二四建设有限公司 | Positioner and its application method when a kind of shell penetration piece sleeve is installed |
| CN107803789A (en) * | 2017-09-30 | 2018-03-16 | 宣化钢铁集团有限责任公司 | Drawing for Broken bolt takes method in a kind of body |
| CN112706124A (en) * | 2020-12-22 | 2021-04-27 | 华仪风能有限公司 | Bolt taking-out device for broken bolt of variable-pitch slewing bearing of megawatt wind generating set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3508321A (en) * | 1967-12-15 | 1970-04-28 | Aai Corp | Method for extracting broken studs |
| US5388933A (en) * | 1994-03-21 | 1995-02-14 | Dunbar; David | Tool for centering a punch or drill on a stud's broken face |
| US5820314A (en) * | 1996-02-13 | 1998-10-13 | Dunbar; David A. | Tool for centering a punch or drill on a stud's broken face |
| US6435782B1 (en) * | 2000-09-18 | 2002-08-20 | Darrell Hillhouse | Tool for removal of large bolts |
| CN203726438U (en) * | 2014-01-27 | 2014-07-23 | 莱芜钢铁集团有限公司 | Drill bit positioning tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3523825B2 (en) * | 2000-04-06 | 2004-04-26 | 文義 祢次金 | Aid for removing remaining part of cut screw |
-
2014
- 2014-01-27 CN CN201410039602.8A patent/CN103753498B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3508321A (en) * | 1967-12-15 | 1970-04-28 | Aai Corp | Method for extracting broken studs |
| US5388933A (en) * | 1994-03-21 | 1995-02-14 | Dunbar; David | Tool for centering a punch or drill on a stud's broken face |
| US5820314A (en) * | 1996-02-13 | 1998-10-13 | Dunbar; David A. | Tool for centering a punch or drill on a stud's broken face |
| US6435782B1 (en) * | 2000-09-18 | 2002-08-20 | Darrell Hillhouse | Tool for removal of large bolts |
| CN203726438U (en) * | 2014-01-27 | 2014-07-23 | 莱芜钢铁集团有限公司 | Drill bit positioning tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103753498A (en) | 2014-04-30 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |