CN203129958U - Reamer - Google Patents
Reamer Download PDFInfo
- Publication number
- CN203129958U CN203129958U CN 201320133407 CN201320133407U CN203129958U CN 203129958 U CN203129958 U CN 203129958U CN 201320133407 CN201320133407 CN 201320133407 CN 201320133407 U CN201320133407 U CN 201320133407U CN 203129958 U CN203129958 U CN 203129958U
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- CN
- China
- Prior art keywords
- reamer
- centralizer
- reamer body
- gear wheel
- strip
- 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 provides a reamer which comprises a guide rod, a reamer body, a centralizer, an annular main board and a cone mechanism, wherein the cone mechanism comprises cones and bit legs, the cones are mounted on the bit legs in a sleeving manner and can rotate, and the bit legs are fixed on the reamer body integrally; the guide rod penetrates through the reamer body axially; both the centralizer and the annular main board are mounted on the reamer body; centralizing bars of the centralizer adopt structures with wider tops and narrow bottoms; and alloy drills are further arranged on the centralizing bars. The reamer has the advantages of simple structure, convenience in operation, low manufacturing cost, high broaching efficiency, long service life, strong practicability and the like, and can reduce the economic loss for enterprises effectively.
Description
Technical field
The utility model relates to the no-excavation construction method field, is specifically related to a kind of reamer that uses for non-excavating construction.
Background technology
Reamer generally comprises guide rod, gear wheel and reamer body, and wherein gear wheel is installed on the reamer body, and guide rod passes the reamer body and forms one.Therefore gear wheel is the important composition parts that form reamer, is directly connected to the application life of reamer its application life.The continuous application life of the gear wheel in the existing reamer is generally at 70-90 hours, when service time reach or near the time just need change gear wheel.Become a great problem the application life of therefore how to improve reamer.
The utility model content
The purpose of this utility model be for the application life that overcomes existing reamer short, the reamer of a kind of simple in structure and reaming efficient height, long service life is provided.
The technical scheme that the utility model adopts to achieve these goals is:
A kind of reamer is characterized in that: comprise guide rod, reamer body, centralizer, annular mainboard and gear wheel mechanism; Described gear wheel mechanism comprises gear wheel and bit leg, and gear wheel is sleeved on the bit leg and is rotatable, and bit leg is fixed on the reamer body and becomes one; Described guide rod passes the reamer body vertically, and described centralizer and annular mainboard all are installed on the reamer body, and the righting strip of described centralizer is structure wide at the top and narrow at the bottom, and described righting strip on also be provided with alloy bit.
The further technical scheme of the utility model is: also be provided with transition-cone on the described reamer body, described gear wheel mechanism is fixed on the reamer body between centralizer and the annular mainboard, so just make that whole reamer structure is more firm, and improved operating efficiency simultaneously.
The preferred technical scheme of the utility model is: described transition-cone outer wall upper edge reamer body shaft is to evenly being provided with guide strip, and also is provided with alloy bit on the guide strip.
Another optimized technical scheme of the utility model is: described righting strip is on even structure is distributed in around the centralizer outer wall in the shape of a spiral, because righting strip is chosen as helicoidal structure, when reamer rotates, its resistance has just significantly reduced like this.
The another optimized technical scheme of the utility model is: the external surface of described annular mainboard, righting strip all is provided with one deck wear resistant alloy material layer, make the rub proofness of whole reamer improve like this, prolong its application life, make the miscellaneous part of reamer except gear wheel mechanism to reuse, reduce production costs.
The utility model changes the structure of righting strip, and increases alloy bit at guide strip, has therefore significantly improved reaming speed, has reduced the reaming resistance, improves reaming efficient, has prolonged the application life of gear wheel simultaneously.
So the utlity model has simple in structure, easy to operate, low production cost, reaming efficient height, long service life, advantage such as practical, can be that enterprise reduces economic loss effectively.
Description of drawings
Fig. 1 is the utility model structural representation
Among the figure: 1-guide rod, 2-reamer body, 3-centralizer, 4-annular mainboard, 5-gear wheel, 6-bit leg, 7-righting strip, 8-transition-cone, 9-guide strip, 10-alloy bit.
The specific embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described further, but the utility model is not limited in following embodiment.
As shown in Figure 1: a kind of reamer, it comprises guide rod 1, reamer body 2, centralizer 3, annular mainboard 4 and gear wheel mechanism.Wherein gear wheel mechanism comprises gear wheel 5 and bit leg 6, and gear wheel 5 is sleeved on the bit leg 6 also rotatable, and bit leg 6 is fixed on the reamer body 2 and becomes one with the reamer body.Gear wheel mechanism more than three evenly installs on the same circumference of reamer body 2 external surfaces.Described guide rod 1 passes reamer body 2 vertically, and centralizer 3 and annular mainboard 4 all are installed on the reamer body 2, and guide rod 1, reamer body 2, centralizer 3, annular mainboard 4 and gear wheel mechanism have just constituted an integral body like this.
The utility model is set to the righting strip 7 of centralizer 3 cutting edge structure of structure wide at the top and narrow at the bottom, it is trapezoidal making its cross section, simultaneously righting strip 7 is arranged on helical structure is evenly distributed on around the centralizer outer wall, and the direction of spiral is consistent with the choice direction of centralizer, so just make the resistance of whole reamer when work reduce significantly, improve the efficient of its reaming.
The utility model also also is provided with transition-cone 8 on reamer body 2, and at transition-cone 8 guide strip 9 is set, and guide strip 9 directions are axial consistent with centralizer, make that like this stability of reamer is higher.The mechanism of gear wheel described in the utility model is on the reamer body that is fixed between centralizer 3 and the annular mainboard 4, simultaneously at guide strip 9 and righting strip 7 alloy bit 10 is set, and has so just further improved reaming efficient, has prolonged gear wheel application life.
The utility model is provided with one deck wear resistant alloy material layer for the external surface of annular mainboard 4, righting strip 7, in the application life of further having improved reamer, is conducive to simultaneously the whole replacement of annular mainboard 4 and gear wheel mechanism is saved production cost.
Claims (5)
1. a reamer is characterized in that: comprise guide rod, reamer body, centralizer, annular mainboard and gear wheel mechanism; Described gear wheel mechanism comprises gear wheel and bit leg, and gear wheel is sleeved on the bit leg and is rotatable, and bit leg is fixed on the reamer body and becomes one; Described guide rod passes the reamer body vertically, and described centralizer and annular mainboard all are installed on the reamer body, and the righting strip of described centralizer is structure wide at the top and narrow at the bottom, and described righting strip on also be provided with alloy bit.
2. a kind of reamer according to claim 1 is characterized in that: also be provided with transition-cone on the described reamer body, described gear wheel mechanism is fixed on the reamer body between centralizer and the annular mainboard.
3. a kind of reamer according to claim 2 is characterized in that: described transition-cone outer wall upper edge reamer body shaft is to evenly being provided with guide strip, and also is provided with alloy bit on this guide strip.
4. a kind of reamer according to claim 1 is characterized in that: described righting strip is on even structure is distributed in around the centralizer outer wall in the shape of a spiral.
5. a kind of reamer according to claim 1, it is characterized in that: the external surface of annular mainboard, righting strip is provided with one deck wear resistant alloy material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133407 CN203129958U (en) | 2013-03-22 | 2013-03-22 | Reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133407 CN203129958U (en) | 2013-03-22 | 2013-03-22 | Reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203129958U true CN203129958U (en) | 2013-08-14 |
Family
ID=48937949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320133407 Expired - Fee Related CN203129958U (en) | 2013-03-22 | 2013-03-22 | Reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203129958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132913A (en) * | 2013-03-22 | 2013-06-05 | 四川圆通建设有限公司 | Enlarging hole device capable of identifying whether recycling tooth wheel is used or not |
| CN110714723A (en) * | 2019-11-15 | 2020-01-21 | 四川石油天然气建设工程有限责任公司 | Large-scale long-distance pipeline directional drilling, crossing and reaming process and pipeline installation process |
-
2013
- 2013-03-22 CN CN 201320133407 patent/CN203129958U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132913A (en) * | 2013-03-22 | 2013-06-05 | 四川圆通建设有限公司 | Enlarging hole device capable of identifying whether recycling tooth wheel is used or not |
| CN103132913B (en) * | 2013-03-22 | 2015-10-28 | 四川圆通建设有限公司 | Whether a kind of identifiable design uses the reamer reclaiming gear wheel |
| CN110714723A (en) * | 2019-11-15 | 2020-01-21 | 四川石油天然气建设工程有限责任公司 | Large-scale long-distance pipeline directional drilling, crossing and reaming process and pipeline installation process |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 |