CN201436365U - Split type rock reamer - Google Patents
Split type rock reamer Download PDFInfo
- Publication number
- CN201436365U CN201436365U CN2009200767893U CN200920076789U CN201436365U CN 201436365 U CN201436365 U CN 201436365U CN 2009200767893 U CN2009200767893 U CN 2009200767893U CN 200920076789 U CN200920076789 U CN 200920076789U CN 201436365 U CN201436365 U CN 201436365U
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- CN
- China
- Prior art keywords
- shaped body
- barrel
- seat
- telophragma
- gear wheel
- 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
A split type rock reamer comprises a front member, a middle member and a rear member; the front member is composed of a barrel shaped body and a first shaft; a spiral centralizer is disposed on the external circumference of he barrel shaped body; the rear end of the barrel shaped body is connected with a cylinder; the middle member is composed of a middle disc seat, a gear wheel bracing frame and a gear wheel; the middle disc seat is sleeved on the cylinder; a circumference directional locking mechanism is disposed between the middle disc seat and the cylinder; the rear member is composed of a second shaft; the front of the second shaft is connected with the rear end of the first shaft. In the reaming work, the barrel shaped body with the spiral centralizer can fix the center of the reamer in the drilled rock hole; the drilling machine drives the second shaft and the middle disc seat to rotate by the first shaft; and the gear wheel cuts the rock to realize reaming. When the gear wheel needs replacing, it only needed to dismount the middle member and replace the gear wheel group therein. The reamer of the utility model greatly improves operating efficiency, and reduces construction cost.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to non-digging drill, particularly a kind of split type rock reamer.
Background technology:
Can't excavate in a conventional manner, advance and the operating personnel can't enter under the engineering specifications of workspace, must adopt non-excavating construction method and rig to operate and bore pick, casting, scarfing cinder and direction control, and after reaming, various tubing are imbedded simultaneously undergroundly, this non-excavating construction method is used widely in municipal engineering.The applicant's utility model patent " is with the rock reamer of spirality centralizer " (May 15 2007 applying date, application number is 200720069870.X, notice of authorization number is CN 201034015Y) a kind of reamer with a plurality of gear wheels disclosed, this reamer is realized reaming by gear wheel to the rock grinding, can reduce impact to rig and drilling tool, prolonged mechanical application life, the spirality centralizer has the function that deslagging is removed obstacles, and prevents bit freezing.This reamer and other reamers of the prior art all adopt monolithic construction, and the continuous application life of gear wheel is generally between 60～80 hours, reach or will change the gear wheel of rock reamer during near the longest service time, each gear wheel all will cut down welding more separately and go up new gear wheel in the replacing process, changing 4 gear wheels wanted about 48 hours, the reamer of minimum one-level has 4 gear wheels, the gear wheel of maximum reamer is above 10, change minimum all the taking more than two days of gear wheel like this, if big reamer needs 4,5 day time, and, when changing gear wheel, engineering can only be stopped, and waits for that rock reamer gear wheel continues construction again when more finishing changing, progress to engineering has a significant impact in this case, can increase very big construction cost.
Summary of the invention:
The purpose of this utility model is to provide a kind of split type rock reamer, and described this split type rock reamer will solve rock reamer in the prior art and change gear wheel long, the technical problem that influences programming consuming time.
This split type rock reamer of the present utility model is by a front piece, a middle part member and a back member constitute, wherein, described front piece is made of a barrel-shaped body and one first, on described first central axis that is arranged on described barrel-shaped body, the front end of barrel-shaped body is provided with a transition-cone, first front end extends transition-cone, the excircle of barrel-shaped body is provided with the spirality centralizer, be provided with axial hole in first the front end face, the sidewall of barrel-shaped body is provided with the mud water hole of two above numbers, described axial hole is communicated with any one described mud water hole in barrel-shaped body, the rear end of barrel-shaped body is fixedly connected with a cylindrical drum, the external diameter of described cylindrical drum is less than the external diameter of barrel-shaped body, the rear end face of cylindrical drum was extended in first rear end, described middle part member is by a telophragma seat, the gear wheel of the cone body of two above numbers and two above numbers constitutes, any one described gear wheel all is arranged on the described cone body separately, described cone body is fixedly installed on the periphery of telophragma seat along the even compartment of terrain of the circumferencial direction of described telophragma seat, the place, axle center of telophragma seat is provided with a circular hole, the telophragma seat is connected on the cylindrical drum by described circle hole sleeve, be provided with circumferential lockable mechanism between telophragma seat and the cylindrical drum, described back member constitutes by one second, described second central axis and first central axes, second front end is connected with first rear end.
Further, described telophragma seat is prism-shaped, and the radial section of telophragma seat is regular polygon.
Further, be set with projection on the excircle of described cylindrical drum, the circular-hole internal-wall of telophragma seat is provided with groove, and described projection is arranged in described groove.
Further, be provided with conical screw hole in described second front end face, described first rearward end is tapered, and first rearward end is provided with external screw thread, and first rear end and second front end are by being threaded.
Further, be provided with the reinforcement gusset between the outside of described transition-cone and first.
Further, be provided with the reinforcement gusset between the rear end face of the excircle of described cylindrical drum and barrel-shaped body.
Further, described second excircle is provided with the reinforcement gusset, and described reinforcement gusset is triangular in shape.
Operating principle of the present utility model is: during ream operation, the barrel-shaped body that has the spirality centralizer is felt relieved reamer in the rock pore that has got out, and rig drives second and the rotation of telophragma seat by first, and the gear wheel cutting rock is realized reaming.When needing to change gear wheel, only need dismounting middle part member, the gear wheel group of changing wherein just can be reworked.The gear wheel group of changing 4 gear wheels at most only needs 4 hours, and the gear wheel group of changing the gear wheel more than 10 at most only needs 12 hours, has improved operating efficiency greatly, has reduced construction cost.
Concrete, spirality centralizer, gear wheel and cone body described in the utility model all adopt known technology of the prior art, relevant above-mentioned known solution, and those skilled in the art all understands, and does not repeat them here.
The utility model is compared with prior art, and its effect is actively with tangible.The utility model adopts split-type structural in the rock reamer, the barrel-shaped body, gear wheel and the driving shaft that have the spirality centralizer are separately positioned on three individual members, when needing to change gear wheel, only need to take out the middle part member, the gear wheel group of changing wherein just can be reworked, improve operating efficiency greatly, reduced construction cost.
Description of drawings:
Fig. 1 is the three-dimensional decomposition texture schematic diagram of split type rock reamer of the present utility model.
Fig. 2 is the decomposition texture schematic diagram of split type rock reamer of the present utility model.
Fig. 3 is the structural representation of split type rock reamer of the present utility model.
The specific embodiment:
Embodiment 1:
As Fig. 1, Fig. 2 and shown in Figure 3, split type rock reamer of the present utility model, by a front piece, a middle part member and a back member constitute, wherein, described front piece is made of a barrel-shaped body 2 and one first 11, on described first 11 central axis that is arranged on described barrel-shaped body 2, the front end of barrel-shaped body 2 is provided with a transition-cone 3, first 11 front end extends transition-cone 3, the excircle of barrel-shaped body 2 is provided with spirality centralizer 21, be provided with axial hole 22 in first 11 the front end face, the sidewall of barrel-shaped body 2 is provided with the mud water hole 23 of two above numbers, described axial hole 22 is communicated with any one described mud water hole 23 in barrel-shaped body 2, constitutes to bore pick liquid passage; The rear end of barrel-shaped body 2 is fixedly connected with a cylindrical drum 7, the external diameter of described cylindrical drum 7 is less than the external diameter of barrel-shaped body 2, the rear end face of cylindrical drum 7 was extended in first 11 rear end, described middle part member is by a telophragma seat 6, the cone body 4 of two above numbers and the gear wheel of two above numbers 5 constitute, any one described gear wheel 5 all is arranged on the described cone body 4 separately, described cone body 4 is fixedly installed on the periphery of telophragma seat 6 along the even compartment of terrain of the circumferencial direction of described telophragma seat 6, the place, axle center of telophragma seat 6 is provided with a circular hole, telophragma seat 6 is connected on the cylindrical drum 7 by described circle hole sleeve, be provided with circumferential lockable mechanism between telophragma seat 6 and the cylindrical drum 7, described back member constitutes by one second 12, described second 12 central axis and first 11 central axes, second 12 front end is connected with first 11 rear end.
Further, described telophragma seat 6 is prism-shaped, and the radial section of telophragma seat 6 is regular polygon.
Further, be set with projection 71 on the excircle of described cylindrical drum 7, the circular-hole internal-wall of telophragma seat 6 is provided with groove 61.Cylindrical drum 7 and removably connecting that the similar spline of telophragma seat 6 formation is connected guarantee that both are circumferentially fixing, can rotate synchronously.Certainly, can also adopt tight fit or bearing pin tightening etc. circumferentially to be fixedly coupled mode.
Further, be provided with conical screw hole 122 in described second 12 front end face, described first 11 rearward end is tapered, and the rear end that first 11 rearward end is provided with 13, the first 11 of external screw threads and second 12 front end are by being threaded.
Further, be provided with between the outside of described transition-cone 3 and first 11 and strengthen gusset 31.
Further, be provided with reinforcement gusset 72 between the rear end face of the excircle of described cylindrical drum 7 and barrel-shaped body 2.
Further, described second 12 excircle is provided with strengthens gusset 121, and described reinforcement gusset 121 is triangular in shape.
The course of work of present embodiment is: during ream operation, the barrel-shaped body 2 that has spirality centralizer 21 is felt relieved reamer in the rock pore that has got out, rig drives second 12 by first 11 and 6 rotations of telophragma seat, and gear wheel 5 cutting rocks are realized reaming.When needing to change gear wheel 5, only need dismounting middle part member, the gear wheel group of changing wherein just can be reworked.The gear wheel group of changing 4 gear wheels 5 at most only needs 4 hours, and the gear wheel group of changing the gear wheel 5 more than 10 at most only needs 12 hours, has improved operating efficiency greatly, has reduced construction cost.
Claims (7)
1. split type rock reamer, by a front piece, a middle part member and a back member constitute, it is characterized in that: described front piece is made of a barrel-shaped body and one first, on described first central axis that is arranged on described barrel-shaped body, the front end of barrel-shaped body is provided with a transition-cone, first front end extends transition-cone, the excircle of barrel-shaped body is provided with the spirality centralizer, be provided with axial hole in first the front end face, the sidewall of barrel-shaped body is provided with the mud water hole of two above numbers, described axial hole is communicated with any one described mud water hole in barrel-shaped body, the rear end of barrel-shaped body is fixedly connected with a cylindrical drum, the external diameter of described cylindrical drum is less than the external diameter of barrel-shaped body, the rear end face of cylindrical drum was extended in first rear end, described middle part member is by a telophragma seat, the gear wheel of the cone body of two above numbers and two above numbers constitutes, any one described gear wheel all is arranged on the described cone body separately, described cone body is fixedly installed on the periphery of telophragma seat along the even compartment of terrain of the circumferencial direction of described telophragma seat, the place, axle center of telophragma seat is provided with a circular hole, the telophragma seat is connected on the cylindrical drum by described circle hole sleeve, be provided with circumferential lockable mechanism between telophragma seat and the cylindrical drum, described back member constitutes by one second, described second central axis and first central axes, second front end is connected with first rear end.
2. split type rock reamer as claimed in claim 1 is characterized in that: described telophragma seat is prism-shaped, and the radial section of telophragma seat is regular polygon.
3. split type rock reamer as claimed in claim 1 is characterized in that: be set with projection on the excircle of described cylindrical drum, the circular-hole internal-wall of telophragma seat is provided with groove, and described projection is arranged in described groove.
4. split type rock reamer as claimed in claim 1, it is characterized in that: be provided with conical screw hole in described second front end face, described first rearward end is tapered, first rearward end is provided with external screw thread, and first rear end and second front end are by being threaded.
5. split type rock reamer as claimed in claim 1 is characterized in that: be provided with the reinforcement gusset between the outside of described transition-cone and first.
6. split type rock reamer as claimed in claim 1 is characterized in that: be provided with the reinforcement gusset between the excircle of described cylindrical drum and the rear end face of barrel-shaped body.
7. split type rock reamer as claimed in claim 1, it is characterized in that: described second excircle is provided with the reinforcement gusset, and described reinforcement gusset is triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200767893U CN201436365U (en) | 2009-06-22 | 2009-06-22 | Split type rock reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200767893U CN201436365U (en) | 2009-06-22 | 2009-06-22 | Split type rock reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436365U true CN201436365U (en) | 2010-04-07 |
Family
ID=42372820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200767893U Expired - Fee Related CN201436365U (en) | 2009-06-22 | 2009-06-22 | Split type rock reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201436365U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104053850A (en) * | 2011-12-27 | 2014-09-17 | 国民油井Dht有限公司 | Downhole cutting tool |
| CN110821409A (en) * | 2019-11-15 | 2020-02-21 | 四川石油天然气建设工程有限责任公司 | Manufacturing method of reamer with self-righting guide function |
| US11441360B2 (en) | 2020-12-17 | 2022-09-13 | National Oilwell Varco, L.P. | Downhole eccentric reamer tool and related systems and methods |
-
2009
- 2009-06-22 CN CN2009200767893U patent/CN201436365U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104053850A (en) * | 2011-12-27 | 2014-09-17 | 国民油井Dht有限公司 | Downhole cutting tool |
| CN104053850B (en) * | 2011-12-27 | 2016-04-27 | 国民油井Dht有限公司 | Cutting element at the bottom of hole |
| US9410379B2 (en) | 2011-12-27 | 2016-08-09 | National Oilwell DHT, L.P. | Downhole cutting tool |
| CN110821409A (en) * | 2019-11-15 | 2020-02-21 | 四川石油天然气建设工程有限责任公司 | Manufacturing method of reamer with self-righting guide function |
| US11441360B2 (en) | 2020-12-17 | 2022-09-13 | National Oilwell Varco, L.P. | Downhole eccentric reamer tool and related systems and methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qi Xuewu Inventor after: Liu Jianhui Inventor before: Qi Xuewu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: QI XUEWU TO: QI XUEWU LIU JIANHUI |
|
| 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: 20100407 Termination date: 20160622 |