CN201802315U - Large diameter diamond drill for drilling construction, with Phi being more than 325 - Google Patents
Large diameter diamond drill for drilling construction, with Phi being more than 325 Download PDFInfo
- Publication number
- CN201802315U CN201802315U CN2010202215679U CN201020221567U CN201802315U CN 201802315 U CN201802315 U CN 201802315U CN 2010202215679 U CN2010202215679 U CN 2010202215679U CN 201020221567 U CN201020221567 U CN 201020221567U CN 201802315 U CN201802315 U CN 201802315U
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- China
- Prior art keywords
- diamond
- steel body
- mole
- diamond drill
- matrix block
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- Expired - Fee Related
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Abstract
The utility model relates to a large diameter diamond drill for drilling construction, with Phi being more than 325, which comprises a diamond drill steel body, wherein a diamond matrix block is arranged on the diamond drill steel body. The diamond drill is characterized in that the end surface of the diamond drill steel body takes a shape of a sharp saw tooth; the gap between sharp saw teeth is 0.8 mm to 1.2 mm; the height of the sharp saw tooth is 1.5 mm to 2mm; two sides of the end surface of the diamond drill steel body takes a shape of tooth-embed dovetail groove; the labial surface of the diamond matrix block is gear-shaped; and the gear shape adopts two transition arcs which contact with each other. The diamond drill has the benefits that the strength for bonding the diamond drill steel body with the diamond matrix block is enhanced, the diamond matrix block has high rigidity, the drilling performance of the diamond drill can be obviously improved, the service life is long, the labial surface of the diamond matrix block is gear-shaped, so as to facilitate to improving the drilling efficiency of the diamond matrix block, and the problem of the short service life of a diamond large diameter dill made through galvanization is solved.
Description
Technical field
The utility model relates to a kind of Ф 325 above heavy caliber drilling construction diamond bits.
Background technology
For Ф 325 heavy caliber drilling construction diamond bits, generally adopt electro-plating method to make, for hard and broken formation and ovum gravel stratum, the working lining serious wear, application life is shorter, and not drilling depth perhaps skids.As adopt hot-pressing sintering method to make, and owing to be subjected to the restriction of press tonnage, intermediate frequency power supply power can't reach requirement, graphite grinding tool size Control or the like reason can't be made at all.
Summary of the invention
Problem to be solved in the utility model is to adopt a kind of new method to make heavy caliber drilling construction diamond bit at above-mentioned prior art, and its combination property is better, the drilling efficiency height, and extend application life greatly.
The utility model is adopted solution to be by the problem of the above-mentioned proposition of solution: Ф 325 above heavy caliber drilling construction diamond bits, include diamond bit steel body, diamond bit steel body is provided with the diamond mole, the end face that it is characterized in that described diamond bit steel body is sharp zigzag, point sawtooth gap is 0.8～1.2mm, point sawtooth height is 1.5～2mm, the end face both end sides of diamond bit steel body is castellated dovetail groove shape, the labial surface of described diamond mole is shaped as gear shape, and gear shape is two tangent transition arcs.
The utility model mainly adopts welded type, post forming manufacturing process to be made, and mainly includes the welding of prefabricated diamond mole and diamond bit steel body and prefabricated diamond mole.By adjustment to each chemical composition of binding material of diamond mole, optimize the design of Different Strata matrix formula, by moulding of alloy powder material powder and hot pressed sintering densification technology making diamond moles such as tungsten, copper, nickel, manganese, cobalts, be welded on then on the diamond bit rigid body that processes.
The beneficial effects of the utility model are: adopt the diamond mole matrix formula of optimizing, diamond grit intensity is selected, the diamond bit steel body structure that heat pressing process is reasonable and special, the end face of diamond bit steel body is sharp zigzag, the end face both end sides is castellated dovetail groove shape, strengthened the bond strength of diamond bit steel body and diamond mole, the performance of diamond mole has higher hardness, can obviously improve the performance of creeping into of diamond bit, long service life, the labial surface gear shape design of diamond mole, help improving drilling efficiency, solved electro-plating method and made diamond large diameter bit short problem in application life.
Description of drawings
Fig. 1 is a plan structure schematic diagram of the present utility model;
Fig. 2 is that the B-B of Fig. 1 is to sectional structure chart;
Fig. 3 is the structural representation of diamond bit steel body;
Fig. 4 is a diamond mole structural representation.
The specific embodiment
Below the utility model is further described.
Shown in Fig. 1-4, Ф 325 above heavy caliber drilling construction diamond bits, include diamond bit steel body 3, diamond bit steel body 3 is provided with the diamond mole, the end face that it is characterized in that described diamond bit steel body is sharp zigzag, point sawtooth gap is 0.8～1.2mm, point sawtooth height is 1.5～2mm, the end face both end sides of diamond bit steel body is castellated dovetail groove shape, the labial surface of described diamond mole is shaped as gear shape, gear shape is two tangent transition arcs, adopts the welding of silver soldering sheet between described diamond bit steel body and the diamond mole, and described diamond mole includes inoperative layer 2 and working lining 1, the inoperative layer is of a size of: long is 40mm, wide is 14.5mm, and height is 15mm, and working lining is of a size of: highly be 11mm.
Hardness, the drillability of rock and stratum crushing situation according to the drilling construction formation rock, by guaranteeing the adamantine high efficiency that sword is realized diamond bit that exceeds, so just require the prefabricated mole of drill bit diamond will have and well plate ability diamond, only have the diamond mole that plates ability by force, but just guarantee fund's hard rock go out the sword amount when big not can and difficult drop-off.Be shaped as gear shape by testing the labial surface of determining mole, its labial surface can cause the more scope of freedom, helps improving drilling efficiency.Use welding positioning tool anchor clamps, use special welding procedure, guarantee weld strength and concentricity.
The utility model mainly adopts welded type, post forming manufacturing process to be made, and includes the welding of prefabricated diamond mole and diamond bit steel body and prefabricated diamond mole.Described diamond mole carcass material adopt alloy powder materials such as tungsten, copper, nickel, manganese, cobalt, use coarse granule, low-concentration gold hard rock, diamond concentration 75% adopts the diamond footpath material of going bail for.The labial surface of diamond mole is shaped as gear shape (accompanying drawing 2), and its labial surface can cause the more scope of freedom, helps improving drilling efficiency.The silver soldering sheet is adopted in the welding of diamond bit steel body and diamond mole, uses special welding procedure, welds more firm.
1) the prefabricated mole carcass powder of Ф 325 heavy caliber diamond bits proportioning is:
| Main component | WC? | 663Cu? | Ni? | Mn? | Co? |
| Weight ratio | 30％? | 42％? | 8％? | 5％? | 15％? |
2) diamond concentration 75%, and its fineness ratio is:
| Granularity | 40/45? | 45/50? |
| Ratio | 50％? | 50％? |
| The intensity grade | SMD? | SMD? |
3) protect the footpath material: adopt 40/45 diamond, concentration 100%.
4) the prefabricated mole hot pressing of drill bit burning process:
| Pressure | 1.2Mp? |
| Temperature | 950℃? |
| Temperature retention time | 5min? |
5) the prefabricated mole of drill bit is of a size of 40*14.5*15, and labial surface is shaped as gear shape.
6) use welding positioning tool anchor clamps, use special welding procedure, the diamond mole is welded on the diamond bit rigid body that processes welding temperature 650-750 ℃.
Claims (3)
1. Ф 325 above heavy caliber drilling construction diamond bits, include diamond bit steel body (3), diamond bit steel body is provided with the diamond mole, the end face that it is characterized in that described diamond bit steel body is sharp zigzag, point sawtooth gap is 0.8～1.2mm, and sharp sawtooth height is 1.5～2mm, and the end face both end sides of diamond bit steel body is castellated dovetail groove shape, the labial surface of described diamond mole is shaped as gear shape, and gear shape is two tangent transition arcs.
2. by the described Ф 325 above heavy caliber drilling construction diamond bits of claim 1, it is characterized in that adopting between described diamond bit steel body and the diamond mole welding of silver soldering sheet.
3. by claim 1 or 2 described Ф 325 above heavy caliber drilling construction diamond bits, it is characterized in that described diamond mole includes inoperative layer (2) and working lining (1), the inoperative layer is of a size of: long is 40mm, wide is 14.5mm, height is 15mm, and working lining is of a size of: highly be 11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202215679U CN201802315U (en) | 2010-06-10 | 2010-06-10 | Large diameter diamond drill for drilling construction, with Phi being more than 325 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202215679U CN201802315U (en) | 2010-06-10 | 2010-06-10 | Large diameter diamond drill for drilling construction, with Phi being more than 325 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201802315U true CN201802315U (en) | 2011-04-20 |
Family
ID=43871820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202215679U Expired - Fee Related CN201802315U (en) | 2010-06-10 | 2010-06-10 | Large diameter diamond drill for drilling construction, with Phi being more than 325 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201802315U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510862A (en) * | 2013-10-09 | 2014-01-15 | 无锡中地地质装备有限公司 | High-strength drill bit for exploratory drilling |
| CN103953286A (en) * | 2014-05-19 | 2014-07-30 | 中国有色桂林矿产地质研究院有限公司 | Welded high-matrix diamond core bit and manufacturing method thereof |
| CN106424855A (en) * | 2016-12-26 | 2017-02-22 | 王文胜 | Diamond bit |
-
2010
- 2010-06-10 CN CN2010202215679U patent/CN201802315U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510862A (en) * | 2013-10-09 | 2014-01-15 | 无锡中地地质装备有限公司 | High-strength drill bit for exploratory drilling |
| CN103953286A (en) * | 2014-05-19 | 2014-07-30 | 中国有色桂林矿产地质研究院有限公司 | Welded high-matrix diamond core bit and manufacturing method thereof |
| CN106424855A (en) * | 2016-12-26 | 2017-02-22 | 王文胜 | Diamond bit |
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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: 20110420 Termination date: 20130610 |