CN100557186C - Hydraulic oilway gyrator for drilling rigs and drilling tools - Google Patents
Hydraulic oilway gyrator for drilling rigs and drilling tools Download PDFInfo
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- CN100557186C CN100557186C CNB2006100104307A CN200610010430A CN100557186C CN 100557186 C CN100557186 C CN 100557186C CN B2006100104307 A CNB2006100104307 A CN B2006100104307A CN 200610010430 A CN200610010430 A CN 200610010430A CN 100557186 C CN100557186 C CN 100557186C
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Abstract
Hydraulic oilway gyrator for drilling rigs and drilling tools, it relates to a kind of swivel coupling.Use the bad problem of the existing sealing effectiveness of seal for solving prior art, the present invention includes axle (2), upper end cover (3), first seal (4), clutch shaft bearing (5), bottom end cover (6), second seal (7) and second bearing (8) in fixed jacket (1), the rotation, between the outer wall that design main points of the present invention are to rotate interior axle (2) and the endoporus of fixed jacket (1) is matched in clearance, and has draining hole (15) and the drain tap (16) that is communicated with described gap on the sidewall of fixed jacket (1); Be installed with on the outer wall of axle bottom in the rotation and axially walk a joint (25) that oilhole (21) is communicated with for No. one and axially walk No. two joints (26) that oilhole (22) is communicated with No. two.Reasonable in design of the present invention, the phenomenon of having avoided seal to damage effectively takes place; Can realize reliably the power oil of the required hydraulic circuit hydraulic system of drilling tool is transported on the drilling tool, good seal performance reduces maintenance and construction cost greatly.
Description
Technical field
The present invention relates to a kind of swivel coupling.
Background technology
In the pile foundation construction technical field, various abnormity stakes are widely used.Type for hydraulic control, for realizing one-step pore-creating, swivel coupling is set on drilling tool usually, but all be to adopt seal to seal between the axle in the fixed jacket of existing gyrator and the rotation, because the operating mode of rig is abominable, seal very easily damages, and sealing effectiveness is bad, can't satisfy long use needs; Maintenance rate is higher, influences construction speed, and then has increased construction cost.
Summary of the invention
Use the bad problem of the existing sealing effectiveness of seal for solving prior art, the invention provides a kind of hydraulic oilway gyrator for drilling rigs and drilling tools, the present invention includes axle 2 in fixed jacket 1 and the rotation, axle 2 is arranged in the fixed jacket 1 in the rotation, offer a hydraulic fluid port 13 and No. two hydraulic fluid ports 14 on the outer wall of described fixed jacket 1, and No. two annular grooves 12 that have annular groove 11 being communicated with hydraulic fluid port 13 on the inwall of described fixed jacket 1 and be communicated with No. two hydraulic fluid ports 14; Have axially to walk oilhole 21 for No. one and axially walk oilhole 22 No. two on the sidewall of axle 2 in the described rotation, offer radially to walk oilhole 23 for No. one and radially walk oilhole 24 No. two on the outer wall of axle 2 in the rotation, the described two ends of radially walking oilhole 23 for No. one are communicated with an annular groove 11 of axially walking on oilhole 21 and the fixed jacket 1 for No. respectively, and the described two ends of radially walking oilhole 24 for No. two are communicated with No. two annular grooves of axially walking on oilhole 22 and the fixed jacket 1 for No. two 12 respectively; It also comprises upper end cover 3, first seal 4, clutch shaft bearing 5, bottom end cover 6, second seal 7 and second bearing 8, upper end cover 3 is set in rotation interior axle 2 upper and lower ends with bottom end cover 6 and fixedlys connected with the upper and lower end face of fixed jacket 1 respectively, first seal 4 is arranged between upper end cover 3 and the interior axle 2 of rotation, second seal 7 is arranged in bottom end cover 6 and the rotation between the axle 2, and the clutch shaft bearing 5 and second bearing 8 are separately positioned in the rotation in upper end cover 3 and the bottom end cover 6 between the axle 2 and fixed jacket 1; The upper and lower end that offers draining hole 15 and described draining hole 15 on the sidewall of described fixed jacket 1 is communicated with the endoporus of fixed jacket 1 respectively, has the drain tap 16 that is communicated with draining hole 15 on the outer wall of described fixed jacket 1; Be matched in clearance between the endoporus of the outer wall of axle 2 and fixed jacket 1 in the described rotation, be installed with on the outer wall of interior 2 bottom of rotation with joint 25 axially walking that oilhole 21 is communicated with for No. one with No. two and axially walk No. two joints 26 that oilhole 22 is communicated with.
A hydraulic fluid port 13 of the present invention and No. two hydraulic fluid ports 14 are communicated with working connection respectively, joint 25 and No. two joints 26 are communicated with the advancing of the driver part of drilling tool, oil return opening respectively, form complete oil supply loop, described drain tap 16 is communicated with the system fuel tank, when system pressure was too high, fluid can flow back to fuel tank by draining hole 15 and drain tap 16; Reasonable in design of the present invention, can realize reliably the power oil of the required hydraulic circuit hydraulic system of drilling tool is transported on the drilling tool, axle 2 adopts clearance seal in fixed jacket 1 and rotation, good seal performance, reduce maintenance and construction cost greatly, effectively avoided the problem of the fragile sealing effectiveness difference of bringing of seal in the prior art.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
The specific embodiment
The specific embodiment one: (referring to Fig. 1) present embodiment is made up of axle 2, upper end cover 3, first seal 4, clutch shaft bearing 5, bottom end cover 6, second seal 7 and second bearing 8 in fixed jacket 1, the rotation, axle 2 is arranged in the fixed jacket 1 in the rotation, offer a hydraulic fluid port 13 and No. two hydraulic fluid ports 14 on the outer wall of described fixed jacket 1, and No. two annular grooves 12 that have annular groove 11 being communicated with hydraulic fluid port 13 on the inwall of described fixed jacket 1 and be communicated with No. two hydraulic fluid ports 14; Have axially to walk oilhole 21 for No. one and axially walk oilhole 22 No. two on the sidewall of axle 2 in the described rotation, offer radially to walk oilhole 23 for No. one and radially walk oilhole 24 No. two on the outer wall of axle 2 in the rotation, the described two ends of radially walking oilhole 23 for No. one are communicated with an annular groove 11 of axially walking on oilhole 21 and the fixed jacket 1 for No. respectively, the described two ends of radially walking oilhole 24 for No. two are communicated with No. two annular grooves of axially walking on oilhole 22 and the fixed jacket 1 for No. two 12 respectively, upper end cover 3 and bottom end cover 6 are set on the interior axle 2 of rotation, the lower end and respectively with fixed jacket 1 on, the lower surface is fixedly connected, first seal 4 is arranged between upper end cover 3 and the interior axle 2 of rotation, second seal 7 is arranged in bottom end cover 6 and the rotation between the axle 2, and the clutch shaft bearing 5 and second bearing 8 are separately positioned in the rotation in upper end cover 3 and the bottom end cover 6 between the axle 2 and fixed jacket 1; The upper and lower end that offers draining hole 15 and described draining hole 15 on the sidewall of described fixed jacket 1 is communicated with the endoporus of fixed jacket 1 respectively, has the drain tap 16 that is communicated with draining hole 15 on the outer wall of described fixed jacket 1; Be matched in clearance between the endoporus of the outer wall of axle 2 and fixed jacket 1 in the described rotation, described gap is 0.01mm～0.03mm; Be installed with on the outer wall of axle 2 bottoms in the rotation with joint 25 axially walking that oilhole 21 is communicated with for No. one with No. two and axially walk No. two joints 26 that oilhole 22 is communicated with.Present embodiment can be arranged on the below of unit head in use, and the upper and lower end of axle 2 is fixedlyed connected with drilling tool with the lower end of dynamic head main spindle respectively in the rotation, and fixed jacket 1 is fixedlyed connected with the unit head casing, can satisfy the use needs.
The specific embodiment two: the difference of (referring to Fig. 1) present embodiment and the specific embodiment one is that the gap between the endoporus of the outer wall of axle 2 in the described rotation and fixed jacket 1 is 0.01mm.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment three: the difference of (referring to Fig. 1) present embodiment and the specific embodiment one is that the gap between the endoporus of the outer wall of axle 2 in the described rotation and fixed jacket 1 is 0.02mm.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment four: the difference of (referring to Fig. 1) present embodiment and the specific embodiment one is that the gap between the endoporus of the outer wall of axle 2 in the described rotation and fixed jacket 1 is 0.03mm.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment five: the difference of (referring to Fig. 1) present embodiment and the specific embodiment one is that it also comprises lower contact 31, top connection 32 and top connection holder 33, fixedly connected with the upper end of fixed jacket 1 in the lower end of described top connection holder 33, the middle part of the interior axle 2 of rotation has through hole 27, and axle 2 upper ends are passed between top connection holder 33 and interior axle 2 of rotation and the top connection holder 33 and are provided with rubber sealing boot 10 in the described rotation; Described top connection 32 is installed on the top connection holder 33, and described lower contact 31 is fixedlyed connected with the lower end of axle 2 in the rotation.Other composition is identical with the specific embodiment one with annexation.Axle 2 has through hole 27 in the described rotation of present embodiment, when the power oil of realizing hydraulic system acts on the drilling tool with slurries or concrete displacement pile hole in.
The specific embodiment six: the difference of (referring to Fig. 1) present embodiment and the specific embodiment five is that it also comprises adpting flange 9, and described adpting flange 9 is installed on the fixed jacket 1 of a joint 25 and No. two joint 26 tops.Other composition is identical with the specific embodiment five with annexation.Present embodiment can be arranged on the top of unit head in use, is connected with the upper flanges of dynamic head main spindle by described adpting flange 9, and fixed jacket 1 is fixedlyed connected with the unit head casing.
Hydraulic oilway gyrator for drilling rigs and drilling tools of the present invention can be according to the actual needs of different type of machines, be arranged on unit head above or below, use needs all within protection scope of the present invention as long as satisfy.
Claims (4)
1, hydraulic oilway gyrator for drilling rigs and drilling tools, it comprises axle (2) in fixed jacket (1) and the rotation, axle (2) is arranged in the fixed jacket (1) in the rotation, offer a hydraulic fluid port (13) and No. two hydraulic fluid ports (14) on the outer wall of described fixed jacket (1), and have on the inwall of described fixed jacket (1) annular groove (11) that is communicated with a hydraulic fluid port (13) and No. two annular grooves (12) that are communicated with No. two hydraulic fluid ports (14); Have axially to walk oilhole (21) for No. one and axially walk oilhole (22) for No. two on the sidewall of axle (2) in the described rotation, offer radially to walk oilhole (23) for No. one and radially walk oilhole (24) for No. two on the outer wall of axle (2) in the rotation, the described two ends of radially walking oilhole (23) for No. one are communicated with an annular groove (11) of axially walking on oilhole (21) and the fixed jacket (1) for No. respectively, the described two ends of radially walking oilhole (24) for No. two are communicated with No. two annular grooves of axially walking on oilhole 22 and the fixed jacket (1) for No. two (12) respectively, it is characterized in that it also comprises upper end cover (3), first seal (4), clutch shaft bearing (5), bottom end cover (6), second seal (7) and second bearing (8), upper end cover (3) and bottom end cover (6) are set on the interior axle of rotation (2), the lower end and respectively with fixed jacket (1) on, the lower surface is fixedly connected, first seal (4) is arranged between upper end cover (3) and the interior axle of rotation (2), second seal (7) is arranged in bottom end cover (6) and the rotation between the axle (2), and clutch shaft bearing (5) and second bearing (8) are separately positioned between the rotation interior spool (2) and fixed jacket (1) in upper end cover (3) and the bottom end cover (6); The upper and lower end that offers draining hole (15) and described draining hole (15) on the sidewall of described fixed jacket (1) is communicated with the endoporus of fixed jacket (1) respectively, has the drain tap (16) that is communicated with draining hole (15) on the outer wall of described fixed jacket (1); Be matched in clearance between the endoporus of the outer wall of axle (2) and fixed jacket (1) in the described rotation, be installed with on the outer wall of interior (2) bottom of rotation and axially walk a joint (25) that oilhole (21) is communicated with for No. one and axially walk No. two joints (26) that oilhole (22) is communicated with No. two.
2, hydraulic oilway gyrator for drilling rigs and drilling tools according to claim 1 is characterized in that the gap between the internal diameter of the external diameter of axle (2) in the described rotation and fixed jacket (1) is 0.01mm～0.03mm.
3, hydraulic oilway gyrator for drilling rigs and drilling tools according to claim 1 and 2, it is characterized in that it also comprises lower contact (31), top connection (32) and top connection holder (33), fixedly connected with the upper end of fixed jacket (1) in the lower end of described top connection holder (33), the middle part of spool (2) has through hole (27) in the rotation, and axle (2) upper end is passed between top connection holder (33) and interior axle of rotation (2) and the top connection holder (33) and is provided with rubber sealing boot (10) in the described rotation; Described top connection (32) is installed on the top connection holder (33), and described lower contact (31) is fixedlyed connected with the lower end of axle (2) in the rotation.
4, hydraulic oilway gyrator for drilling rigs and drilling tools according to claim 3 is characterized in that it also comprises adpting flange (9), and described adpting flange (9) is installed on the fixed jacket (1) of a joint (25) and No. two joints (26) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100104307A CN100557186C (en) | 2006-08-23 | 2006-08-23 | Hydraulic oilway gyrator for drilling rigs and drilling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100104307A CN100557186C (en) | 2006-08-23 | 2006-08-23 | Hydraulic oilway gyrator for drilling rigs and drilling tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101131067A CN101131067A (en) | 2008-02-27 |
| CN100557186C true CN100557186C (en) | 2009-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100104307A Expired - Fee Related CN100557186C (en) | 2006-08-23 | 2006-08-23 | Hydraulic oilway gyrator for drilling rigs and drilling tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100557186C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086753B (en) * | 2010-11-26 | 2013-01-02 | 广东顺德孔山重工机械有限公司 | Down-hole drill (DHD) gyrator |
| CN104832094B (en) * | 2015-05-08 | 2017-12-01 | 黑龙江中古建筑节能科技股份有限公司 | Long auger base expanding and base expanding complexes and expanding method |
| CN107152252B (en) * | 2017-07-05 | 2023-03-24 | 唐山博皓工程技术有限公司 | Novel water tap of drilling machine |
-
2006
- 2006-08-23 CN CNB2006100104307A patent/CN100557186C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101131067A (en) | 2008-02-27 |
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Granted publication date: 20091104 Termination date: 20120823 |