CN87200119U - Rod stabizer for drilling - Google Patents
Rod stabizer for drilling Download PDFInfo
- Publication number
- CN87200119U CN87200119U CN 87200119 CN87200119U CN87200119U CN 87200119 U CN87200119 U CN 87200119U CN 87200119 CN87200119 CN 87200119 CN 87200119 U CN87200119 U CN 87200119U CN 87200119 U CN87200119 U CN 87200119U
- Authority
- CN
- China
- Prior art keywords
- instrument transformer
- virtual calibrator
- axis
- roll wheel
- air channel
- 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.)
- Ceased
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Abstract
The utility model discloses a roller type rod stabilizer for drilling used in the nine drilling, mainly composed of a main body, three rollers and a cooling and a slagging air channels. The maximal operation external diameter of the three rollers is a little larger than the diameter of a blast hole. A spatial crossing angle is relatively existed between the axial line of the roller and the axial line of a drilling rod. A 3.59 tons axial direction self-entering force is generated while in use, so the rod stabilizing effect is improved and the vibration is reduced. The utility model has the advantages of high speed and low cost. The rod stabilizer adopts the body independent process, then un upper joint, a lower joint and the body are welded together after connected by screws. The cooling air channel and slagging air channel of the rod stabilizer are combined together at an axle center, which is convenient for processing and manufacture.
Description
The utility model belongs to the vibration absorber of setting upright of a kind of mine boring.In particular for the wheeled virtual calibrator for instrument transformer of the boring De Roll of opencut.
When hole with rig in the mine, generally need a virtual calibrator for instrument transformer is housed between drill bit and drilling rod, play stable drilling rod, reduce vibration and protect drill bit to improve application life.At present the virtual calibrator for instrument transformer of import is adopted in China mine more, and as the scraping board type virtual calibrator for instrument transformer that " Reed " company of the U.S. produces, scraper plate and hole wall gap are very little during work, contact sometimes.This virtual calibrator for instrument transformer is simple in structure, easily make, but steering resistance is big during work, power consumption is big, the life-span is low, and generally boring 300～700 meters will scraper plate of repair welding, otherwise does not have steady bar effect.How the wheeled virtual calibrator for instrument transformer of the Sheng Chan De Roll of Benxi Iron and Steel Company six U.S. of torticollis mountain iron ore import " BE " company in 1977 is killed ， Shi Roll wheel because of fastness and is scrapped.Only be 3000 meters/application life the highest.And structure is complicated especially, has found 53 pieces of the patent documentations of relevant virtual calibrator for instrument transformer since 1963 by retrieval, and wherein relevant with the invention has 4 pieces.1. US3680646; 2. 3. US3820613 of US4226291; 4. GB2081 346A, and wherein two pieces are immediate correlation technique, will narrate respectively below:
1. the US3680646 patent disclosure be the axis of the relative drilling rod of virtual calibrator for instrument transformer Ta De Roll wheel axis that tilts of Yi Zhong Roll wheel along the drilling rod gyratory directions pile-up welding hard alloy layer on one the 12 ° angle Bing Zai Roll wheels that recedes, Li Yong Roll takes turns and contacts a little and play steady bar and do usefulness with hole wall during boring.It is in order to guarantee the deslagging that circulates that Roll wheel recedes along the drilling rod gyratory directions, makes liquid stream smoothly outside the tap, and this virtual calibrator for instrument transformer is mainly used in oil drilling, in the opencut of the hard ore deposit rock that can not be applied to give a farfetched interpretation.There is certain clearance because of being actually between Ta De Roll wheel and the hole wall.Er Roll wheel along the gyratory directions hypsokinesis, thereby reduced steady bar effect.
2. the US4226291 patent disclosure is that wheeled virtual calibrator for instrument transformer of a kind of mining De Roll Ta De Roll wheel shaft is Ji the outer contour of Roll wheel is parallel with drill rod axis, the air channel is in the middle of virtual calibrator for instrument transformer, during work, three workers make virtual calibrator for instrument transformer external diameter that Roll wheel profile constitutes forever much smaller than the Gun bore dia, greatly reduce (even not having) steady bar effect.The deslagging air channel of this virtual calibrator for instrument transformer is very complicated, and the fastness material lifetime of anufacturability Cha ， Roll wheel and axle is low, influences virtual calibrator for instrument transformer application life, and cost is very high.
Order of the present utility model ground is the existence deficiency at above-mentioned existing virtual calibrator for instrument transformer, a kind of stability requirement that satisfies mine rig boring is provided, reaches and improve penetration rate and drilling quality, reduce the boring cost, improve bit life, particularly suitable is the wheeled virtual calibrator for instrument transformer of mine boring De Roll in the open.
The wheeled virtual calibrator for instrument transformer of Gai Roll mainly is made of the San Roll wheel institute that is installed on the virtual calibrator for instrument transformer body and be mutually 120 ° of distributions.Its invention main points are: 1. virtual calibrator for instrument transformer is taken turns the taper work face that constitutes by San Roll, be to be certain space crossed angle between the relative drill rod axis of Roll wheel axis, angle of relative existence between also Jiu Shi Roll wheel axis and the drill rod axis, Ran Hou Roll wheel axis are again along the tangential direction of the drilling rod revolution work angle that tilts.Owing to this space crossed angle, make it to constitute diameter at butt end Shao Da Yu Gun hole (drill bit) diameter of virtual calibrator for instrument transformer work plane.During boring, San Roll wheel participates in the work of a small amount of hole wall rock of cutting, increases steady bar effect.You Yu Roll wheel returns the wheel operative orientation when leaning forward the work of certain angle Suo Yi Roll wheel along drilling rod, compress the downward precession of hole wall, produce one about 3.95 tons automatic downward axial compression (a suitable screwfeed power), increased piercing efficiency, virtual calibrator for instrument transformer tightly is pressed in plays steady bar effect on the hole wall, also reduce greatly simultaneously because of drill bit impact produces and vibrate the dynamic load of passing to rig by drilling rod.Thereby, fundamentally solved the shortcoming that has the gap between existing virtual calibrator for instrument transformer and hole wall and can not finely play steady bar and vibration damping.2. make the branch body structure earlier for the manufacturability, the virtual calibrator for instrument transformer that guarantee processing and assembling, between upper and lower joint and body with being threaded, screw thread mouth is welded extremely becoming one with giving thermally stratified layer then, to guarantee enough intensity.3. cooling is integrated with the deslagging air channel.The axle center of virtual calibrator for instrument transformer is provided with cooling and cools off virtual calibrator for instrument transformer and bit bearing and deslagging at the bottom of the hole with deslagging air channel, pressed gas respectively by this air channel.This is simple in structure, and good manufacturability reaches the requirement of cooling and deslagging.④ Roll Lun Yu the solid antifriction agent mode that the fastness of Roll wheel shaft adopts built-up welding to go out two kinds of different-alloy layers " lubricate ".The life-span of fastness is improved greatly, interlock does not take place or grind inclined to one side phenomenon.
The major advantage of this virtual calibrator for instrument transformer is: steady bar is effective, reduces rig vibration, makes the drilling machine platform mean amplitude of tide reduce 38%, revolution pressing mechanism and drilling life of bit have been improved, make bit life improve 55.3%, only bit life this, every bench drill machine can be saved drilling tool and take 6.4 ten thousand yuan.Be 7800 meters/the application life of virtual calibrator for instrument transformer itself, is 77 years 2.5 times from the wheeled virtual calibrator for instrument transformer of U.S. Jin Kou De Roll, is 15 times more than that present China adopts the scraping board type virtual calibrator for instrument transformer mostly.Past 7～10 days was changed virtual calibrator for instrument transformer one time, changed once in 3～6 months with this virtual calibrator for instrument transformer now.Reduced heavy manual labor and equipment person unsafe factor, reduced maintenance cost, noise is little, has created good working environment to the workman, owing to produced 3.95 tons automatic downward axial compression, improve drilling efficiency about 14%, saved a large amount of energy.
Below in conjunction with accompanying drawing the invention is done and to be described in further detail:
Fig. 1 is the overall construction drawing of this virtual calibrator for instrument transformer.
Fig. 2, the 3rd, the cross-section cutaway view of this virtual calibrator for instrument transformer.
Fig. 4 is the space coordinates figure of this steady bar device Roll wheel shaft position.
1.2.3. finds out with reference to accompanying drawing, this virtual calibrator for instrument transformer is mainly by top connection (8), body (6), (1 〕, Roll wheel (4), cooling deslagging air channel (9), (10), (16) constitute in lower contact, (4 〕, Roll wheel shafts (3) are hollow shaft at first in the last even 120 ° of distributions of body (6) San Roll wheel to be housed, be used for as deslagging, cooling air channel, and on this axle, be drilled with two wind holes (13), be used for passing through compressed air stream.When work; Roll take turns revolution, (9) enter into three hollow air channels, roller axle center (10) from the air channel to have the gas of certain pressure, and a part flows the fastness (12) of taking turns to Roll by wind hole (13), locate to discharge by (11), (15) then, realize cooling.Another part air communication is crossed air channel (16) and is entered drill bit, realizes cooling drill bit and deslagging.In addition, San Roll wheel shaft (3) all forms space crossed angle with the axis of virtual calibrator for instrument transformer (drilling rod), with reference to space coordinates figure accompanying drawing 4:
L---be the roller axis;
Z---be drill rod axis;
L '---be the projection axis of L in the XOZ plane of projection;
L "---be the projection axis of L in the YOZ plane of projection;
α---be the inclination angle of the relative drilling rod Z of roller shaft L axle, i.e. the inclination angle of L ' and Z axle.α＝1°～5°。
β---Wei Roll wheel axis L along drilling rod revolution work tangential direction top rake, promptly L is " with the inclination angle of Z axle.β＝1°～5°。
Because this space crossed angle, taper work face Shao Da Yu Gun hole outer wall ， Roll wheel has again been participated in a spot of fractured rock effect, thus realized 3.59 tons axially from advancing power, strengthened steady bar effect greatly and played damping effect.The fixed structure mode of Roll wheel shaft is to pack in the body De Roll groove (14).A cutting ferrule (5) is adorned in the upper end of axle, cutting ferrule fixes, makes it cutting ferrule by snap ring (7) and axle does not rotate, and pad (2) is equipped with in the lower end of roller, prevents body wear.The axial location of Roll wheel shaft (3) moves axially by the taper wind path wall Zu Dang Roll wheel shaft of upper and lower joint.Roll Lun adopts solid anti-friction composition mode " to lubricate " Yu (12) are paid in the friction between the Roll wheel shaft.On Ji Zai Roll wheel shaft and the roller internal diameter, built-up welding goes out two kinds of different alloy-layers respectively, realizes that the solid that friction is paid " lubricates ".The upper and lower joint of virtual calibrator for instrument transformer is made hollow, as cooling and deslagging air channel (9), (16).After upper and lower joint and body adopt and are threaded, with electric welding that the screw socket weldering is dead, become integral body.This first split processing is manufactured, and assembling is welded as integral body then, is convenient to processing especially and manufactures and install.
Claims (5)
1, the boring virtual calibrator for instrument transformer in a kind of mine, it is mainly by body, roller, air channel constitute, it is characterized in that: between the work plane of the taper that it is made of three rollers [4], the relative drill rod axis of axis of roller for certain space crossed angle, promptly: an angle is arranged between roller axis and the drill rod axis, and the roller axis is again along the tangential direction of the drilling rod revolution work angle that leans forward then.
2,, it is characterized in that the angle between: Roll wheel axis and the drill rod axis is that 1 °～5 ° ， Roll wheel axis lean forward 1 °～5 ° along drilling rod revolution work tangential direction again according to the described virtual calibrator for instrument transformer of claim 1.
3, according to the described virtual calibrator for instrument transformer of claim 1, it is characterized in that: virtual calibrator for instrument transformer is made the branch body structure earlier, promptly goes up, and with being threaded, with giving thermally stratified layer the screw thread mouth weldering is extremely become one between lower contact (1), (8) and the body (6) again.
4, according to the described virtual calibrator for instrument transformer of claim 3, it is characterized in that: cooling is integrated with the deslagging air channel, and the axle center of virtual calibrator for instrument transformer is provided with cooling and deslagging air channel.
5,, it is characterized in that: Roll wheel shaft with on the endoporus of Roll wheel, built-up welding goes out two kinds of different alloy-layers respectively according to the described virtual calibrator for instrument transformer of claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87200119 CN87200119U (en) | 1987-01-03 | 1987-01-03 | Rod stabizer for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87200119 CN87200119U (en) | 1987-01-03 | 1987-01-03 | Rod stabizer for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87200119U true CN87200119U (en) | 1987-10-21 |
Family
ID=4816594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87200119 Ceased CN87200119U (en) | 1987-01-03 | 1987-01-03 | Rod stabizer for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87200119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061687A (en) * | 2012-12-31 | 2013-04-24 | 中钢集团衡阳重机有限公司 | Rod stabilizing device for rotary drill rig |
| CN104405298A (en) * | 2014-10-17 | 2015-03-11 | 中国石油天然气集团公司 | Self-cleaning roller stabilizer for oil-field well drilling |
| CN107130925A (en) * | 2017-07-05 | 2017-09-05 | 西南石油大学 | Friction reduced stabilizer with anti-mud drum with pressurization propulsion functions |
-
1987
- 1987-01-03 CN CN 87200119 patent/CN87200119U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061687A (en) * | 2012-12-31 | 2013-04-24 | 中钢集团衡阳重机有限公司 | Rod stabilizing device for rotary drill rig |
| CN103061687B (en) * | 2012-12-31 | 2016-03-09 | 中钢集团衡阳重机有限公司 | Rotary drill virtual calibrator for instrument transformer |
| CN104405298A (en) * | 2014-10-17 | 2015-03-11 | 中国石油天然气集团公司 | Self-cleaning roller stabilizer for oil-field well drilling |
| CN107130925A (en) * | 2017-07-05 | 2017-09-05 | 西南石油大学 | Friction reduced stabilizer with anti-mud drum with pressurization propulsion functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |