CN204326971U - The blasthole tricone rock bit of band gap adjusting pad - Google Patents
The blasthole tricone rock bit of band gap adjusting pad Download PDFInfo
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- CN204326971U CN204326971U CN201420755447.5U CN201420755447U CN204326971U CN 204326971 U CN204326971 U CN 204326971U CN 201420755447 U CN201420755447 U CN 201420755447U CN 204326971 U CN204326971 U CN 204326971U
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- bit
- tooth
- band gap
- gap adjusting
- tooth pawl
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Abstract
The utility model belongs to tricone bit technical field, especially relates to a kind of blasthole tricone rock bit of band gap adjusting pad, comprises tooth pawl, is located at the connecting pin on this tooth pawl, it is characterized in that on connecting pin, be provided with gap adjustment pad.The blasthole tricone rock bit of band gap adjusting pad of the present utility model is not when changing original bit bearing system, decrease selecting of tooth pawl kind, namely the design of two kinds of tooth pawls just can meet the needs that six kinds of tooth pawls in the past design, make tooth pawl workpiece be beneficial to management aborning, decrease the frequent replacing of every procedure mold, fixture simultaneously.Enriching in drill bit kind, flexibly for mining geology feature selecting carbide alloy odontoid, size, bit bore efficiency can improved, increase economic benefit.
Description
Technical field
The utility model belongs to tricone bit technical field, especially relates to a kind of blasthole tricone rock bit of band gap adjusting pad.
Background technology
Blasthole tricone rock bit is widely used in the exploitation on metal and nonmetal deposits mountain, is a kind of drill bit kind that consumption is larger.Along with the diversity of mining, select correct drill bit be realize successfully, essential step that economic probing is basic.The principal element that need consider also comprises: the surface strength of rock and compressive strength, abrasiveness, thickness, required penetrance etc.
For ore deposit, mine, rock species characteristics, the drill bit used mainly contains two large classes, six kinds of model drill bits, one class is semi-hermetic type, a class is Wind-cooling type, the selection of the differentiation of bit model mainly bit diameter and carbide button, during for ore deposit, mine, rock kind selection drill bit, except considering that carbide button also will consider multiple tooth pawl.Six kinds of model drill bits adopt six kinds of tooth pawl designs, and gear wheel adopts two kinds of designs, and the mining cone bit production cycle is long, technique is loaded down with trivial details, on a production line, each procedure all will change different molds, fixture to six kinds of tooth pawls, and six kinds of tooth pawls produce also not easily production management simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of blasthole tricone rock bit that can also reduce the band gap adjusting pad of tooth pawl use kind on the basis of various ore deposit of different nature, rock of can giving a farfetched interpretation.
The purpose of this utility model is realized by following technical proposals:
The blasthole tricone rock bit of band gap adjusting pad of the present utility model, comprises tooth pawl, is located at the connecting pin on this tooth pawl, it is characterized in that being provided with gap adjustment pad on described connecting pin.
Described gap adjustment pad is annular gasket, outside diameter 19mm-21mm, interior circular diameter 12mm-14mm, and thickness is 1.5mm, 2.5mm and 4mm.
Advantage of the present utility model:
The blasthole tricone rock bit of band gap adjusting pad of the present utility model is not when changing original bit bearing system, decrease selecting of tooth pawl kind, namely the design of two kinds of tooth pawls just can meet the needs that six kinds of tooth pawls in the past design, make tooth pawl workpiece be beneficial to management aborning, decrease the frequent replacing of every procedure mold, fixture simultaneously.Enriching in drill bit kind, flexibly for mining geology feature selecting carbide alloy odontoid, size, bit bore efficiency can improved, increase economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model gap adjustment pad.
Fig. 3 is the left view of the utility model Fig. 2.
Detailed description of the invention
Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1,2 and 3, the blasthole tricone rock bit of band gap adjusting pad of the present utility model, comprises tooth pawl, is located at the connecting pin 1 on this tooth pawl, it is characterized in that being provided with gap adjustment pad 2 on described connecting pin 1.
Described gap adjustment pad 2 is annular gasket, outside diameter 19mm-21mm, interior circular diameter 12mm-14mm, and thickness is 1.5mm, 2.5mm and 4mm.
As shown in Figure 1, gap adjustment pad 2 of the present utility model is enclosed within connecting pin 1, then assembles finished product drill bit.Gap adjustment pad 2 is annular gasket, outside diameter 19mm-21mm, interior circular diameter 12mm-14mm, and thickness is 1.5mm, 2.5mm and 4mm three types.Wherein thickness be the gap adjustment pad 2 of 1.5mm, 2.5mm for regulating carbide button gap, thickness is that the gap adjustment pad 2 of 4mm is for regulating bit diameter.
The differentiation of mining cone bit model is mainly according to bit diameter and carbide alloy odontoid, size.Concrete case is as follows:
1, assemblage gap spacer 2 is needed according to mining cone bit diameter
Such as mining cone bit mainly with Φ 250mm diameter for benchmark, when producing Φ 255mm diameter drill bit, use the tooth pawl of Φ 250mm diameter drill bit, the gap adjustment pad 2 installing diameter of phi 20mm thickness 4mm just can be adjusted to Φ 255mm by Φ 250mm by bit diameter.
2, according to carbide alloy odontoid, size need assemblage gap spacer 2
Select ball-type tooth and blunt conical-ended shape insert two kinds of hard-metal inserts for ore deposit, mine, rock kind, after the drill bit carbide button of different model assembles and inlays gear wheel, protrusion height has 5mm, 6mm, 7mm respectively.After various model drill bit assembling, require that the minimum back lash of hard-metal insert is at more than 2mm.
After assemblage gap spacer 2, with bit diameter Φ 250mm, hard-metal insert protrusion height 5mm selects tooth pawl to be designed to benchmark, the gap adjustment pad 2 of diameter of phi 20mm thickness 1.5mm is installed, the basis not changing the design of tooth pawl just can meets hard-metal insert and protrude require that of 6mm model drill bit.Produce hard-metal insert and protrude 7mm model drill bit, the gap adjustment pad 2 installing and using diameter of phi 20mm thickness 2.5mm just can ensure that the minimum back lash of hard-metal insert is at more than 2mm.
The blasthole tricone rock bit of band gap adjusting pad 2 of the present utility model is not when changing original bit bearing system, decrease selecting of tooth pawl kind, namely the design of two kinds of tooth pawls just can meet the needs that six kinds of tooth pawls in the past design, make tooth pawl workpiece be beneficial to management aborning, decrease the frequent replacing of every procedure mold, fixture simultaneously.Enriching in drill bit kind, flexibly for mining geology feature selecting carbide alloy odontoid, size, bit bore efficiency can improved, increase economic benefit.
Claims (2)
1. a blasthole tricone rock bit for band gap adjusting pad, comprises tooth pawl, is located at the connecting pin on this tooth pawl, it is characterized in that being provided with gap adjustment pad on described connecting pin.
2. the blasthole tricone rock bit of band gap adjusting pad according to claim 1, it is characterized in that described gap adjustment pad is annular gasket, outside diameter 19mm-21mm, interior circular diameter 12mm-14mm, thickness is 1.5mm, 2.5mm and 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755447.5U CN204326971U (en) | 2014-12-05 | 2014-12-05 | The blasthole tricone rock bit of band gap adjusting pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755447.5U CN204326971U (en) | 2014-12-05 | 2014-12-05 | The blasthole tricone rock bit of band gap adjusting pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204326971U true CN204326971U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755447.5U Active CN204326971U (en) | 2014-12-05 | 2014-12-05 | The blasthole tricone rock bit of band gap adjusting pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204326971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555552A (en) * | 2016-12-02 | 2017-04-05 | 黄河科技学院 | A kind of electroplated diamond wearing layer protecting against shock drilling tool and its processing technique |
-
2014
- 2014-12-05 CN CN201420755447.5U patent/CN204326971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555552A (en) * | 2016-12-02 | 2017-04-05 | 黄河科技学院 | A kind of electroplated diamond wearing layer protecting against shock drilling tool and its processing technique |
| CN106555552B (en) * | 2016-12-02 | 2019-02-05 | 黄河科技学院 | A kind of electroplated diamond wearing layer protecting against shock drilling tool and its processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee before: Angang Group Mine Company |