CN202673155U - Diamond bit for drilling bedrock of foundation pile - Google Patents
Diamond bit for drilling bedrock of foundation pile Download PDFInfo
- Publication number
- CN202673155U CN202673155U CN 201220277074 CN201220277074U CN202673155U CN 202673155 U CN202673155 U CN 202673155U CN 201220277074 CN201220277074 CN 201220277074 CN 201220277074 U CN201220277074 U CN 201220277074U CN 202673155 U CN202673155 U CN 202673155U
- Authority
- CN
- China
- Prior art keywords
- diamond
- foundation pile
- core barrel
- collet
- cutting tooth
- 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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- Earth Drilling (AREA)
Abstract
A diamond bit for drilling bedrock of a foundation pile comprises a core barrel and a plurality of diamond cutting teeth. The diamond cutting teeth are fixedly connected onto a cutting face of the core barrel, and the other end of the core barrel is connected with a drill pipe. The diamond bit is simple in structure and convenient to use, and can efficiently drill various soft and hard rock stratums.
Description
Technical field:
The utility model belongs to a kind of engineering construction instrument, particularly in a kind of foundation pile construction to the boring diamond bit of basement rock.
Background technology:
In the foundation pile engineering construction, because many Pile Foundations Design require foundation pile to embed the certain degree of depth of basement rock, to improve the bearing capacity of pile foundation.In existing Construction of Pile Bedding Boring, mostly adopt carbide alloy as cutting material to creeping into of basement rock, it is embedded in various forms of bit face, creeps into or the mode of impact grinding rock drills through basement rock by high pulling torque, the slow-speed of revolution, thereby form boring.The efficient that the drill of this job practices and use creeps into the rock stratum is low, cost is high and for very difficult than creeping into of hard rock.
Summary of the invention:
The purpose of this utility model just is to overcome above-mentioned the deficiencies in the prior art, uses diamond bit and provide a kind of foundation pile basement rock to creep into, and this drill bit structure is simple, easy to use, can hole efficiently to various soft, hard formations.
As above design, the technical solution of the utility model is: a kind of foundation pile basement rock creeps into uses diamond bit, it is characterized in that: be comprised of core barrel and a plurality of Adamas cutting tooth; Adamas cutting tooth is fixed on the cutting labial surface of core barrel; The other end of core barrel is connected with drilling rod.
Above-mentioned Adamas cutting tooth is comprised of steel collet and the diamond cast mole that is fixed on the collet.
Above-mentioned Adamas cutting tooth is comprised of steel collet and the diamond compact that is fixed on the collet.
The utlity model has following advantage and good effect:
1, can be according to the drill bit of different-diameter, the Adamas cutting tooth of affixed varying number on the cutting labial surface of core barrel, thus can hole efficiently to the rock stratum.
2 owing to being made of Adamas cutting tooth steel collet and the diamond cast mole or the diamond compact that are fixed on the collet; the steel collet can protect diamond cast mole or diamond compact to avoid being subject to larger impact and fragmentation in drilling process, thereby has prolonged the application life of drill bit.
3, can hole efficiently to various soft, hard formations, to guarantee the optimum drilling efficiency of different rocks.Generally speaking, the Adamas cutting tooth that is comprised of steel collet and diamond cast mole is used for hardness creeping into mantlerock.The Adamas cutting tooth that is comprised of steel collet and diamond compact is used for creeping into of the following rock stratum of hardness.
4, job costs are low.Behind the Diamond Cutting odontotripsis, it can be changed easily, reuse simultaneously core barrel, thereby reduce job costs.
Description of drawings:
Fig. 1 is the figure that partly cuts open of the present utility model.
The schematic diagram of the Adamas cutting tooth that Fig. 2 is comprised of steel collet and diamond cast mole.
The schematic diagram of the Adamas cutting tooth that Fig. 3 is comprised of steel collet and diamond compact.
The specific embodiment:
As shown in Figure 1: a kind of foundation pile basement rock creeps into uses diamond bit, is comprised of core barrel 1 and a plurality of Adamas cutting tooth 2.Adamas cutting tooth is connected on the cutting labial surface of core barrel by the mode of machinery or welding; The other end and the drilling rod of core barrel are threaded connection.
As shown in Figure 2: the diamond cast mole 4 on collet forms above-mentioned Adamas cutting tooth by rectangle steel collet 3 and soldering.This cutting teeth is used for hardness creeping into mantlerock.
As shown in Figure 3: the diamond compact 5 on collet forms above-mentioned Adamas cutting tooth by steel collet and soldering.This cutting teeth is used for creeping into of the following rock stratum of hardness.
Claims (3)
1. a foundation pile basement rock creeps into and uses diamond bit, it is characterized in that: be comprised of core barrel and a plurality of Adamas cutting tooth; Adamas cutting tooth is fixed on the cutting labial surface of core barrel; The other end of core barrel is connected with drilling rod.
2. foundation pile basement rock according to claim 1 creeps into and uses diamond bit, it is characterized in that: above-mentioned Adamas cutting tooth is comprised of steel collet and the diamond cast mole that is fixed on the collet.
3. foundation pile basement rock according to claim 1 creeps into and uses diamond bit, it is characterized in that: above-mentioned Adamas cutting tooth is comprised of steel collet and the diamond compact that is fixed on the collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277074 CN202673155U (en) | 2012-06-13 | 2012-06-13 | Diamond bit for drilling bedrock of foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277074 CN202673155U (en) | 2012-06-13 | 2012-06-13 | Diamond bit for drilling bedrock of foundation pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673155U true CN202673155U (en) | 2013-01-16 |
Family
ID=47494066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220277074 Expired - Fee Related CN202673155U (en) | 2012-06-13 | 2012-06-13 | Diamond bit for drilling bedrock of foundation pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672892A (en) * | 2016-03-05 | 2016-06-15 | 丁栋 | PDC drill bit of rotary drilling rig |
-
2012
- 2012-06-13 CN CN 201220277074 patent/CN202673155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672892A (en) * | 2016-03-05 | 2016-06-15 | 丁栋 | PDC drill bit of rotary drilling rig |
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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: 20130116 Termination date: 20130613 |