CN202441272U - Drilling rod - Google Patents
Drilling rod Download PDFInfo
- Publication number
- CN202441272U CN202441272U CN2012200587977U CN201220058797U CN202441272U CN 202441272 U CN202441272 U CN 202441272U CN 2012200587977 U CN2012200587977 U CN 2012200587977U CN 201220058797 U CN201220058797 U CN 201220058797U CN 202441272 U CN202441272 U CN 202441272U
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- Prior art keywords
- drilling rod
- groove
- plug
- wall
- slot
- 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
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Abstract
The utility model relates to a drilling rod. The drilling rod comprises a drilling rod body, wherein the drilling rod body comprises an upper drilling rod and a lower drilling rod, an inserting slot is arranged at the lower end of the upper drilling rod, the thickness of the inner wall of the inserting slot decreases gradually from top to bottom in a step mode, a plug which is matched with the inserting slot is arranged at the upper end of the lower drilling rod, a groove is arranged on the outer wall at the front end of the plug, a pin roll is arranged in the groove, a pin roll groove is arranged on the outer wall of the pin roll, a plurality of fixing holes corresponding to the pin roll groove are arranged on the slot, bolts are arranged in the fixing holes, a sealing groove is arranged on the lower portion of the outer wall of the plug, a sealing ring is arranged in the sealing groove, and a stop block is arranged at the lower end of the lower drilling rod. The drilling rod has the advantages of being simple in structure, not easy to deform, good in tightness, convenient to assemble and disassemble, wide in application range and capable of reducing labor intensity of workers and improving working efficiency.
Description
Technical field
The utility model relates to a kind of drilling rod.
Background technology
The drilling rod of building pile works machinery mainly adopts flange plate type and socket type joint now, and these joint designs are complicated, and weight is big; Volume is big; When attaching and dismounting, both waste muscle power, lost time again, increased cost virtually; And having shortcomings such as easy deformation, connected mode is very unreasonable.
The utility model content
The purpose of the utility model provides a kind of drilling rod, overcomes the deficiency of above-mentioned aspect in the existing product.
The purpose of the utility model is to realize through following technical scheme:
A kind of drilling rod comprises the drilling rod main body, and said drilling rod main body comprises drilling rod and following drilling rod, and the said drilling rod lower end of going up is provided with slot, and the slot inner wall thickness is stepped from top to bottom to successively decrease successively; Said drilling rod down upper end is provided with the plug that is complementary with slot, and the plug head outer wall is provided with groove, is provided with bearing pin in the groove, and the bearing pin outer wall is provided with the bearing pin groove, and said slot is provided with some and the corresponding fixing hole of bearing pin groove, is provided with bolt in the fixing hole.Said plug outer wall bottom is provided with seal groove, is provided with sealing ring in the seal groove.Said drilling rod lower end down is provided with limited block.
The beneficial effect of the utility model is: simple in structure, not yielding, and good airproof performance, easy installation and removal alleviates staff's labour intensity greatly, has improved operating efficiency, applied range.
Description of drawings
According to accompanying drawing the utility model is done further explain below.
Fig. 1 is the structural representation of the described a kind of drilling rod of the utility model embodiment;
Fig. 2 is the structural representation of the last drilling rod of the described a kind of drilling rod of the utility model embodiment;
Fig. 3 is the structural representation of the following drilling rod of the described a kind of drilling rod of the utility model embodiment;
Fig. 4 is the structural representation of the bearing pin of the described a kind of drilling rod of the utility model embodiment.
Among the figure:
1, goes up drilling rod; 101, slot; 102, fixing hole; 2, following drilling rod; 201, plug; 202, groove; 203, seal groove; 204, limited block; 3, bearing pin; 301, bearing pin groove; 4, bolt; 5, sealing ring.
The specific embodiment
Shown in Fig. 1-4, the described a kind of drilling rod of the utility model embodiment comprises the drilling rod main body, and said drilling rod main body comprises drilling rod 1 and following drilling rod 2, and said drilling rod 1 lower end of going up is provided with slot 101, and slot 101 inner wall thickness are stepped from top to bottom to successively decrease successively; Said drilling rod 2 upper ends down are provided with the plug 201 that is complementary with slot 101; Plug 201 front end outer walls are provided with groove 202; Be provided with bearing pin 3 in the groove 202; Bearing pin 3 outer walls are provided with bearing pin groove 301, and said slot 101 is provided with some and bearing pin groove 301 corresponding fixing holes 102, is provided with bolt 4 in the fixing hole 102.Said plug 201 outer wall bottoms are provided with seal groove 203, are provided with sealing ring 5 in the seal groove 203.Said drilling rod 2 lower ends down are provided with limited block 204.
During installation; To descend the plug 201 of drilling rod 2 to insert the slot 101 of going up drilling rod 1 earlier; Then bolt 4 is installed in the fixing hole 102, bolt 4 front ends is inserted in the bearing pin groove 301 on bearing pin 3 outer walls get final product, otherwise; Unload bolt 4, the plug 201 of following drilling rod is extracted the slot 101 of drilling rod 1 and can the described drilling rod of the utility model embodiment be taken apart.In addition, in order to increase tightness, plug 201 outer wall bottoms are provided with seal groove 203, are provided with sealing ring 5 in the seal groove 203.
The utility model is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technical scheme, all drops within the protection domain of the utility model.
Claims (3)
1. a drilling rod comprises the drilling rod main body, it is characterized in that: said drilling rod main body comprises drilling rod (1) and following drilling rod (2), and said drilling rod (1) lower end of going up is provided with slot (101), and slot (101) inner wall thickness is stepped from top to bottom to successively decrease successively; Said drilling rod (2) down upper end is provided with the plug (201) that is complementary with slot (101); Plug (201) front end outer wall is provided with groove (202); Be provided with bearing pin (3) in the groove (202); Bearing pin (3) outer wall is provided with bearing pin groove (301), and said slot (101) is provided with some and the corresponding fixing hole of bearing pin groove (301) (102), is provided with bolt (4) in the fixing hole (102).
2. a kind of drilling rod according to claim 1 is characterized in that: said plug (201) outer wall bottom is provided with seal groove (203), is provided with sealing ring (5) in the seal groove (203).
3. a kind of drilling rod according to claim 1 and 2 is characterized in that: said drilling rod (2) lower end down is provided with limited block (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200587977U CN202441272U (en) | 2012-02-22 | 2012-02-22 | Drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200587977U CN202441272U (en) | 2012-02-22 | 2012-02-22 | Drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441272U true CN202441272U (en) | 2012-09-19 |
Family
ID=46822725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200587977U Expired - Fee Related CN202441272U (en) | 2012-02-22 | 2012-02-22 | Drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670294A (en) * | 2013-12-09 | 2014-03-26 | 淮南矿业(集团)有限责任公司 | Combined-type mine drill rod |
| CN108368733A (en) * | 2015-12-17 | 2018-08-03 | Ifp新能源公司 | The connector for assembling two standpipe sections including interior locking ring and removable pin |
| CN108431364A (en) * | 2015-12-17 | 2018-08-21 | Ifp新能源公司 | The connector for assembling two standpipe sections including interior locking ring and removable pin |
-
2012
- 2012-02-22 CN CN2012200587977U patent/CN202441272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670294A (en) * | 2013-12-09 | 2014-03-26 | 淮南矿业(集团)有限责任公司 | Combined-type mine drill rod |
| CN108368733A (en) * | 2015-12-17 | 2018-08-03 | Ifp新能源公司 | The connector for assembling two standpipe sections including interior locking ring and removable pin |
| CN108431364A (en) * | 2015-12-17 | 2018-08-21 | Ifp新能源公司 | The connector for assembling two standpipe sections including interior locking ring and removable pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20130222 |