CN203716865U - Double-aperture split type screw thread loosening preventive device for drilling tools - Google Patents
Double-aperture split type screw thread loosening preventive device for drilling tools Download PDFInfo
- Publication number
- CN203716865U CN203716865U CN201420041308.6U CN201420041308U CN203716865U CN 203716865 U CN203716865 U CN 203716865U CN 201420041308 U CN201420041308 U CN 201420041308U CN 203716865 U CN203716865 U CN 203716865U
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- CN
- China
- Prior art keywords
- circle holding
- embracing ring
- screw thread
- split type
- preventive device
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- 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
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Abstract
The utility model relates to a split type screw thread loosening preventive device for drilling tools, particularly relates to a screw thread loosening preventive device applicable to two types of drilling tools with different apertures, and belongs to the technical field of drilling tool equipment. The split type screw thread loosening preventive device comprises a left embracing ring and a right embracing ring. An eye bolt is rotationally connected onto an upper connecting pin, the front end of the eye bolt penetrates an upper supporting seat of the right embracing ring to be connected with a nut, and the upper supporting seat of the right embracing ring is integrally connected with upper supporting seats of the left embracing ring by the nut and the eye bolt. A first left embracing ring cavity and a second left embracing ring cavity are arranged in the left embracing ring from the left to the right, and a first right embracing ring cavity and a second right embracing ring cavity are arranged in the right embracing ring from the left to the right. The diameter A of the first left embracing ring cavity and the diameter A of the first right embracing ring cavity are identical to each other. The diameter B of the second left embracing ring cavity and the diameter B of the second right embracing ring cavity are identical to each other. Each diameter A is different from each diameter B. The split type screw thread loosening preventive device has the advantages that loosening preventive and clamping requirements of two types of drilling tools with different apertures can be met, accordingly, the service range of the split type screw thread loosening preventive device can be broadened, and the applicability of the split type screw thread loosening preventive device can be improved; the equipment cost can be reduced; the split type screw thread loosening preventive device is reliable in clamping and convenient to use.
Description
Technical field
The utility model relates to a kind of opposite opened thread of drilling tool locking device, and a kind of screw thread locking device that can be applicable to two kinds of bore drilling tools, belongs to drilling tool equipment technical field specifically.
Background technology
In rock and soil drilling work progress, because construction technology needs, drilling rod there will be the situation of rotating.Easily there is getting loose of drilling rod and current divider screw thread in drilling rod, and getting loose of drilling rod and current divider screw thread can cause boring the leakage of pick scour medium in rotating, pollutes construction environment.For avoiding getting loose of drilling rod and current divider screw thread, need a kind of simple and effective locking device.
Traditional locking device mostly is monolithic, due to drilling tool external diameter difference, needs, with the locking device that uses different bores, cannot solve the drilling tool problem of effective locking and adaptive different-diameter.Traditional locking device accommodation is little, process less economical, dismounting inconvenience.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of dual-caliber opposite opened thread of drilling tool locking device is provided, and can meet the locking clamping demand of two kinds of bore drilling tools, reliable clamping, and cost is lower.
The technical scheme providing according to the utility model, dual-caliber opposite opened thread of drilling tool locking device comprises left circle holding and right circle holding, right circle holding bottom is provided with two right circle holding undersettings, connecting pin under common support on two right circle holding undersettings; Left circle holding bottom is provided with left circle holding undersetting, thereby lower connecting pin middle part links into an integrated entity right circle holding undersetting and left circle holding undersetting through left circle holding undersetting, it is characterized in that: right circle holding top is provided with right circle holding upper bracket, left circle holding top is provided with two left circle holding upper brackets, the common above connecting pin that supports on two left circle holding upper brackets; On upper connecting pin, be rotationally connected eyelet bolt, eyelet bolt front end, through right circle holding upper bracket attaching nut, links into an integrated entity right circle holding upper bracket and left circle holding upper bracket by nut and eyelet bolt; Described left circle holding is semicircle, is from left to right provided with the first left circle holding chamber and the second left circle holding chamber in left circle holding; Described right circle holding is semicircle, is from left to right provided with the first right circle holding chamber and the second right circle holding chamber in right circle holding; The first left circle holding chamber is identical with the diameter in the first right circle holding chamber, is A; The second left circle holding chamber is identical with the diameter in the second right circle holding chamber, is B; A and B are not identical.
Further, between right circle holding upper bracket and nut, be provided with packing ring.
Further, between right circle holding upper bracket and left circle holding upper bracket, be provided with card.
Further, the connection of upper connecting pin end prevents the cottor pin that connecting pin comes off from left circle holding upper bracket.
Compared with the prior art the utility model has the following advantages:
The utility model is simple in structure, compact, reasonable, can meet the locking clamping demand of two kinds of bore drilling tools, has improved the scope of application and applicability; Reduce equipment cost; Reliable clamping, easy to use.
Brief description of the drawings
Fig. 1 is the utility model front view.
Fig. 2 is AA sectional view in Fig. 1.
Fig. 3 is BB sectional view in Fig. 1.
Connecting pin, the left circle holding of 14-first chamber, the left circle holding of 15-second chamber, the right circle holding of 16-first chamber, the right circle holding of 17-second chamber under the left circle holding of description of reference numerals: 1-, the right circle holding of 2-, 3-card, 4-eyelet bolt, 5-packing ring, 6-nut, the left circle holding upper bracket of 7-, the right circle holding upper bracket of 8-, the left circle holding undersetting of 9-, the right circle holding undersetting of 10-, the upper connecting pin of 11-, 12-cottor pin, 13-.
Detailed description of the invention
The utility model is further described in connection with the embodiment in accompanying drawing below:
As shown in Figure 1 and 2, the utility model mainly comprises left circle holding 1 and right circle holding 2, and right circle holding 2 tops are provided with right circle holding upper bracket 8.Left circle holding 1 top is provided with the common above connecting pin 11 that supports on 7, two left circle holding upper brackets 7 of two left circle holding upper brackets.
On upper connecting pin 11, be rotationally connected eyelet bolt 4, eyelet bolt 4 front ends, through right circle holding upper bracket 8 attaching nuts 6, link into an integrated entity right circle holding upper bracket 8 and left circle holding upper bracket 7 by nut 6 and eyelet bolt 4.Between described right circle holding upper bracket 8 and nut 6, be provided with packing ring 5.Between described right circle holding upper bracket 8 and left circle holding upper bracket 7, be provided with card 3, block the flat department of drilling rod by card 3.Described upper connecting pin 11 ends connections prevent the cottor pin 12 that connecting pin 11 comes off from left circle holding upper bracket 7.
Right circle holding 2 bottoms are provided with the lower connecting pin 13 of common support on 10, two right circle holding undersettings 10 of two right circle holding undersettings.Left circle holding 1 bottom is provided with left circle holding undersetting 9, thereby lower connecting pin 13 middle parts link into an integrated entity right circle holding undersetting 10 and left circle holding undersetting 9 through left circle holding undersetting 9.
As shown in Figure 3, described left circle holding 1 is semicircle, is from left to right provided with the first left circle holding chamber 14 and the second left circle holding chamber 15 in left circle holding 1.Described right circle holding 2 is semicircle, is from left to right provided with the first right circle holding chamber 16 and the second right circle holding chamber 17 in right circle holding 2.The first left circle holding chamber 14 is identical with the diameter in the first right circle holding chamber 16, is A.The second left circle holding chamber 15 is identical with the diameter in the second right circle holding chamber 17, is B.A and B are not identical.
Generally, drilling rod has Φ 60mm, Φ 73mm and tri-kinds of dimensions of Φ 89mm, and A and B select wherein two sizes, make the utility model can be common to the clamping of the drilling rod of two different size specifications.
The utility model is simple in structure, compact, reasonable, can meet the locking clamping demand of two kinds of bore drilling tools, has improved the scope of application and applicability; Reduce equipment cost; Reliable clamping, easy to use.
Claims (4)
1. a dual-caliber opposite opened thread of drilling tool locking device, comprise left circle holding (1) and right circle holding (2), right circle holding (2) bottom is provided with two right circle holding undersettings (10), the upper common lower connecting pin (13) that supports of two right circle holding undersettings (10); Left circle holding (1) bottom is provided with left circle holding undersetting (9), lower connecting pin (13) middle part is passed left circle holding undersetting (9) thereby right circle holding undersetting (10) and left circle holding undersetting (9) is linked into an integrated entity, it is characterized in that: right circle holding (2) top is provided with right circle holding upper bracket (8), left circle holding (1) top is provided with two left circle holding upper brackets (7), the upper common upper connecting pin (11) that supports of two left circle holding upper brackets (7); On upper connecting pin (11), be rotationally connected eyelet bolt (4), eyelet bolt (4) front end, through right circle holding upper bracket (8) attaching nut (6), links into an integrated entity right circle holding upper bracket (8) and left circle holding upper bracket (7) by nut (6) and eyelet bolt (4); Described left circle holding (1) is semicircle, is from left to right provided with the first left circle holding chamber (14) and the second left circle holding chamber (15) in left circle holding (1); Described right circle holding (2) is semicircle, is from left to right provided with the first right circle holding chamber (16) and the second right circle holding chamber (17) in right circle holding (2); The first left circle holding chamber (14) is identical with the diameter in the first right circle holding chamber (16), is A; The second left circle holding chamber (15) is identical with the diameter in the second right circle holding chamber (17), is B; A and B are not identical.
2. dual-caliber opposite opened thread of drilling tool locking device as claimed in claim 1, is characterized in that: between described right circle holding upper bracket (8) and nut (6), be provided with packing ring (5).
3. dual-caliber opposite opened thread of drilling tool locking device as claimed in claim 1, is characterized in that: between described right circle holding upper bracket (8) and left circle holding upper bracket (7), be provided with card (3).
4. dual-caliber opposite opened thread of drilling tool locking device as claimed in claim 1, is characterized in that: the connection of described upper connecting pin (11) end prevents the cottor pin (12) that connecting pin (11) comes off from left circle holding upper bracket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041308.6U CN203716865U (en) | 2014-01-22 | 2014-01-22 | Double-aperture split type screw thread loosening preventive device for drilling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041308.6U CN203716865U (en) | 2014-01-22 | 2014-01-22 | Double-aperture split type screw thread loosening preventive device for drilling tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716865U true CN203716865U (en) | 2014-07-16 |
Family
ID=51156030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041308.6U Expired - Fee Related CN203716865U (en) | 2014-01-22 | 2014-01-22 | Double-aperture split type screw thread loosening preventive device for drilling tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742081A (en) * | 2014-01-22 | 2014-04-23 | 江苏省无锡探矿机械总厂有限公司 | Double-aperture split type thread locking device for drilling tools |
-
2014
- 2014-01-22 CN CN201420041308.6U patent/CN203716865U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742081A (en) * | 2014-01-22 | 2014-04-23 | 江苏省无锡探矿机械总厂有限公司 | Double-aperture split type thread locking device for drilling tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140716 Termination date: 20170122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |