CN203271650U - Deep ice lower bed rock core drill bit torque-resistant device - Google Patents
Deep ice lower bed rock core drill bit torque-resistant device Download PDFInfo
- Publication number
- CN203271650U CN203271650U CN 201320299931 CN201320299931U CN203271650U CN 203271650 U CN203271650 U CN 203271650U CN 201320299931 CN201320299931 CN 201320299931 CN 201320299931 U CN201320299931 U CN 201320299931U CN 203271650 U CN203271650 U CN 203271650U
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- bearing torque
- bearing
- torque cutter
- cutter
- connecting rod
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Abstract
The utility model discloses a deep ice lower bed rock core drill bit torque-resistant device which is composed of an outer pipe, a torque bearing cutter lower support, a torque bearing cutter middle support, a torque bearing cutter upper support, a spring seat, a spring guiding rod, a torque bearing cutter, an adjusting pull rod, a spring and an adjusting nut. The torque bearing cutter is hinged to the torque bearing cutter upper support, the torque bearing cutter middle support and the torque bearing cutter lower support respectively through a first connecting rod, a second connecting rod and a third connecting rod. The spring is arranged between the torque bearing cutter upper support and the spring seat, a shaft shoulder between the upper portion shaft section and the lower portion shaft section of the adjusting pull rod is in contact with the end face of the bottom of the torque bearing cutter upper support, the top end of the adjusting pull rod is connected with the adjusting nut in a threaded mode, and the adjusting pull rod and the torque bearing cutter upper support are driven to move in the axial direction through rotation of the adjusting nut. The deep ice lower bed rock core drill bit torque-resistant device has the advantages that due to the fact that the shape of a cutter edge and the structure type of the torque bearing cutter are changed, and the requirement for torsion moment resistance in the process of under-ice bed rock drilling is satisfied.
Description
Technical field
The utility model patent relates to the anti-twisted device of drilling technique field core bit, particularly relates to the anti-twisted device of a kind of dark subglacial basement rock core bit.
Background technology
In the polar drilling technical field, armored cable formula motor machine core bit is widely used.In the drilling tool drilling process, the important function of the moment of torsion that produces when anti-twisted device plays balance and creeps in case anti-twisted failure of apparatus not only can't guarantee effectively to creep into, and might cause armored cable twist together with the drilling tool revolution even rupturing.At present, anti-twisted device commonly used mainly contains the anti-twisted devices such as vane type, Double-blade type, and wherein vane type, the anti-twisted apparatus structure of Double-blade type are simple, enters to deform in boring by blade to produce extruding force to hole wall, make blade edge cut the inlet hole wall, creep into required reaction torque thereby provide; The anti-twisted device of Double-blade type is also to deform to produce reaction torque in the hole because blade enters; But the moment of torsion that bears due to above-mentioned anti-twisted device is little, is only applicable to ice sheet and creeps into, required reaction torque when being difficult to satisfy the subglacial basement rock and creeping into.
Summary of the invention
The purpose of this utility model is required larger reaction torque and the problem that can't work and the anti-twisted device of a kind of dark subglacial basement rock core bit that provides in order to solve the existing polar region anti-twisted device of dark moral purity armored cable formula motor machine drilling tool and can't to satisfy the subglacial basement rock and creep into.
the anti-twisted device of dark subglacial basement rock core bit described in the utility model is by outer tube, bearing torque cutter undersetting, bearing in the bearing torque cutter, bearing torque cutter upper bracket, spring base, spring guide, the bearing torque cutter, adjust pull bar, spring and adjusting nut form, and wherein the bearing torque cutter passes through first connecting rod, second connecting rod and third connecting rod respectively with bearing torque cutter upper bracket, in the bearing torque cutter, bearing and bearing torque cutter undersetting are hinged, and in the bearing torque cutter, bearing and bearing torque cutter undersetting are fixed on outer tube, and bearing torque cutter upper bracket and outer pipe orifice form and be slidably matched, and adjust pull bar bottom shaft part and bearing torque cutter undersetting, the centre bore that arranges on bearing in the bearing torque cutter is slidably matched, adjusting the centre bore that arranges on pull bar top shaft part and spring base is slidably matched, spring is placed between bearing torque cutter upper bracket and spring base, spring guide is plugged in respectively in the hole that arranges on bearing torque cutter upper bracket and spring base, determine the position of spring by spring guide, adjusting pull bar top shaft part contacts with bearing torque cutter upper bracket bottom end face with the shaft shoulder between the shaft part of bottom, the top of adjusting pull bar is bolted with adjusting nut, and the rotation by adjusting nut can drive the adjustment pull bar, bearing torque cutter upper bracket moves vertically, and the tractive third connecting rod drives the translation of bearing torque cutter simultaneously, thereby changes the size of bearing torque blade part circumscribed circle diameter.
In bearing torque cutter recited above, bearing torque cutter undersetting, bearing torque cutter, bearing, bearing torque cutter upper bracket, first connecting rod, second connecting rod, third connecting rod form six bar linkages, and the adjustment of bearing torque blade part circumscribed circle diameter realizes by six bar linkages.
The bearing torque cutter becomes be interval with three of hexagonal angle around outer tube, the corresponding bearing torque cutter of spring also arranges three.
The outside of bearing torque cutter is provided with two blades.
The length of first connecting rod, second connecting rod and third connecting rod is identical, and the distance hinge hole axial line distance corresponding with the bearing torque cutter that in bearing torque cutter undersetting, bearing torque cutter, bearing is fixed between the hinge hole axis that forms on outer tube equates.
Two ends, outer tube up and down are respectively equipped with top connection and lower contact, and outer tube adopts with being connected of other parts of drilling tool and pegs graft, and can realize simultaneously disconnecting fast of drilling tool suspension and unidirectional torsion pass and drilling tool by top connection and lower contact.
Operating principle of the present utility model:
the utility model mainly utilizes bearing torque cutter and bearing torque cutter upper bracket, bearing in the bearing torque cutter, bearing torque cutter undersetting and first connecting rod, the kinetic characteristic of the six bar linkages that second connecting rod and third connecting rod consist of, when the rotation adjusting nut, drive and adjust pull bar and bearing torque cutter, bearing torque cutter upper bracket moves vertically, the tractive third connecting rod drives the translation of bearing torque cutter simultaneously, three bearing torque cuttves are parallel to each other expand or shrink, realize the variation of three bearing torque cutter blade circumscribed circle diameters, the anti-twisted moment that produces when being used for being equilibrated at the subglacial basement rock and creeping into, be conducive to contacting fully of bearing torque cutter and hole wall, for anti-twisted device provides larger anti-twisted moment.In addition, the outside of bearing torque cutter is provided with two blades, when namely the double cutting edge of bearing torque cutter is cut ice hole inwall fully, is conducive to improve the contact area between bearing torque cutter and ice hole inwall, when guaranteeing anti-twisted device normal operation and ice hole wall without relatively rotating.
The beneficial effects of the utility model:
The utility model for dark subglacial basement rock creep into that the pressure of the drill, moment of torsion are large, rotating speed and energy consume high, the anti-twisted moment that produces when the anti-twisted device that designs by blade contour, the form of structure that changes the bearing torque cutter can make balance subglacial basement rock and creeps into significantly improves, and can guarantee when the subglacial basement rock creeps into the demand to anti-twisted moment.
Description of drawings
Fig. 1 is the utility model sectional structure schematic diagram.
Fig. 2 is that after the utility model is removed outer tube, the bearing torque cutter arranges schematic perspective view.
Fig. 3 is bearing torque knife structure schematic diagram described in the utility model.
1, bearing torque cutter 2, adjustment pull bar 3, outer tube 4, spring 5, first connecting rod
6, bearing in second connecting rod 7, third connecting rod 8, bearing torque cutter upper bracket 9, bearing torque cutter
10, bearing torque cutter undersetting 11, spring base 13, adjusting nut 14, blade
15, spring guide 16, top connection 17, lower contact.
The specific embodiment
See also Fig. 1, Fig. 2 and shown in Figure 3:
the anti-twisted device of dark subglacial basement rock core bit described in the utility model is by outer tube 3, bearing torque cutter undersetting 10, in the bearing torque cutter, bearing 9, bearing torque cutter upper bracket 8, spring base 11, spring guide 15, bearing torque cutter 1, adjust pull bar 2, spring 4 and adjusting nut 13 form, wherein bearing torque cutter 1 is by first connecting rod 5, second connecting rod 6 and third connecting rod 7 respectively with bearing torque cutter upper bracket 8, in the bearing torque cutter, bearing 9 and bearing torque cutter undersetting 10 are hinged, in the bearing torque cutter, bearing 9 and bearing torque cutter undersetting 10 are fixed on outer tube 3, bearing torque cutter upper bracket 8 forms with outer tube 3 endoporus and is slidably matched, adjust pull bar 2 bottom shaft parts and bearing torque cutter undersetting 10, the centre bore that arranges on bearing 9 in the bearing torque cutter is slidably matched, adjusting the centre bore that arranges on pull bar 2 top shaft parts and spring base 11 is slidably matched, spring 4 is placed between bearing torque cutter upper bracket 8 and spring base 11, spring guide 15 is plugged in respectively in the hole that arranges on bearing torque cutter upper bracket 8 and spring base 11, determine the position of spring 4 by spring guide 15, adjusting pull bar 2 top shaft parts contacts with bearing torque cutter upper bracket 8 bottom end faces with the shaft shoulder between the shaft part of bottom, the top of adjusting pull bar 2 is bolted with adjusting nut 13, rotation by adjusting nut 13 can drive adjustment pull bar 2, bearing torque cutter upper bracket 8 moves vertically, tractive third connecting rod 7 drives 1 translation of bearing torque cutter simultaneously, thereby change the size of bearing torque cutter 1 blade circumscribed circle diameter.
In bearing torque cutter 1 recited above, bearing torque cutter undersetting 10, bearing torque cutter, bearing 9, bearing torque cutter upper bracket 8, first connecting rod 5, second connecting rod 6, third connecting rod 7 form six bar linkages, and the adjustment of bearing torque cutter 1 blade circumscribed circle diameter realizes by six bar linkages.
Bearing torque cutter 1 is around be interval with three of 3 one-tenth hexagonal angles of outer tube, and the corresponding bearing torque cutter 1 of spring 4 also arranges three.
The outside of bearing torque cutter 1 is provided with two blades 14.
First connecting rod 5, second connecting rod 6 are identical with the length of third connecting rod 7, and the distance hinge hole axial line distance corresponding with bearing torque cutter 1 that in bearing torque cutter undersetting 10, bearing torque cutter, bearing 9 is fixed between the hinge hole axis that forms on outer tube 3 equates.
Outer tube is respectively equipped with top connection 16 and lower contact 17 in two ends Shang Xia 3, and outer tube 3 adopts with being connected of other parts of drilling tool and pegs graft, and can realize simultaneously disconnecting fast of drilling tool suspension and unidirectional torsion pass and drilling tool by top connection 16 and lower contact 17.
Operating principle of the present utility model:
the utility model mainly utilizes bearing torque cutter 1 and bearing torque cutter upper bracket 8, in the bearing torque cutter, bearing 9, bearing torque cutter undersetting 10 and first connecting rod 5, the kinetic characteristic of the six bar linkages that second connecting rod 6 and third connecting rod 7 consist of, when rotation adjusting nut 13, drive and adjust pull bar 2 and bearing torque cutter 1, bearing torque cutter upper bracket 8 moves vertically, tractive third connecting rod 7 drives 1 translation of bearing torque cutter simultaneously, three bearing torque cuttves 1 are parallel to each other expand or shrink, realize the variation of blade 14 circumscribed circle diameters of three bearing torque cuttves 1, the anti-twisted moment that produces when being used for being equilibrated at the subglacial basement rock and creeping into, be conducive to contacting fully of bearing torque cutter 1 and hole wall, for anti-twisted device provides larger anti-twisted moment.In addition, the outside of bearing torque cutter 1 is provided with two blades 14, when namely the double cutting edge 14 of bearing torque cutter 1 is cut ice hole inwall fully, is conducive to improve the contact area between bearing torque cutter 1 and ice hole inwall, when guaranteeing anti-twisted device normal operation and ice hole wall without relatively rotating.
Claims (5)
1. the anti-twisted device of dark subglacial basement rock core bit, is characterized in that: be by outer tube, bearing torque cutter undersetting, bearing in the bearing torque cutter, bearing torque cutter upper bracket, spring base, spring guide, the bearing torque cutter, adjust pull bar, spring and adjusting nut form, and wherein the bearing torque cutter passes through first connecting rod, second connecting rod and third connecting rod respectively with bearing torque cutter upper bracket, in the bearing torque cutter, bearing and bearing torque cutter undersetting are hinged, and in the bearing torque cutter, bearing and bearing torque cutter undersetting are fixed on outer tube, and bearing torque cutter upper bracket and outer pipe orifice form and be slidably matched, and adjust pull bar bottom shaft part and bearing torque cutter undersetting, the centre bore that arranges on bearing in the bearing torque cutter is slidably matched, adjusting the centre bore that arranges on pull bar top shaft part and spring base is slidably matched, spring is placed between bearing torque cutter upper bracket and spring base, spring guide is plugged in respectively in the hole that arranges on bearing torque cutter upper bracket and spring base, determine the position of spring by spring guide, adjusting pull bar top shaft part contacts with bearing torque cutter upper bracket bottom end face with the shaft shoulder between the shaft part of bottom, the top of adjusting pull bar is bolted with adjusting nut, and the rotation by adjusting nut can drive the adjustment pull bar, bearing torque cutter upper bracket moves vertically, and the tractive third connecting rod drives the translation of bearing torque cutter simultaneously, thereby changes the size of bearing torque blade part circumscribed circle diameter.
2. the anti-twisted device of dark subglacial basement rock core bit according to claim 1, it is characterized in that: in described bearing torque cutter, bearing torque cutter undersetting, bearing torque cutter, bearing, bearing torque cutter upper bracket, first connecting rod, second connecting rod, third connecting rod form six bar linkages, and the adjustment of bearing torque blade part circumscribed circle diameter realizes by six bar linkages.
3. the anti-twisted device of dark subglacial basement rock core bit according to claim 1, it is characterized in that: the outside of described bearing torque cutter is provided with two blades.
4. the anti-twisted device of dark subglacial basement rock core bit according to claim 1, it is characterized in that: the length of described first connecting rod, second connecting rod and third connecting rod is identical, and the distance hinge hole axial line distance corresponding with the bearing torque cutter that in bearing torque cutter undersetting, bearing torque cutter, bearing is fixed between the hinge hole axis that forms on outer tube equates.
5. the anti-twisted device of dark subglacial basement rock core bit according to claim 1 is characterized in that: two ends, described outer tube up and down are respectively equipped with top connection and lower contact, and outer tube adopts grafting with being connected of other parts of drilling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320299931 CN203271650U (en) | 2013-05-29 | 2013-05-29 | Deep ice lower bed rock core drill bit torque-resistant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320299931 CN203271650U (en) | 2013-05-29 | 2013-05-29 | Deep ice lower bed rock core drill bit torque-resistant device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203271650U true CN203271650U (en) | 2013-11-06 |
Family
ID=49502088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320299931 Withdrawn - After Issue CN203271650U (en) | 2013-05-29 | 2013-05-29 | Deep ice lower bed rock core drill bit torque-resistant device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203271650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277062A (en) * | 2013-05-29 | 2013-09-04 | 吉林大学 | Core drill bit anti-torque device for bed rock under deep ice |
| CN108930511A (en) * | 2017-05-25 | 2018-12-04 | 中国科学院寒区旱区环境与工程研究所 | A kind of flange plate type anti-reverse-rotation structure with side tool cutting |
-
2013
- 2013-05-29 CN CN 201320299931 patent/CN203271650U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277062A (en) * | 2013-05-29 | 2013-09-04 | 吉林大学 | Core drill bit anti-torque device for bed rock under deep ice |
| CN103277062B (en) * | 2013-05-29 | 2015-08-26 | 吉林大学 | The anti-twisted device of dark subglacial basement rock core bit |
| CN108930511A (en) * | 2017-05-25 | 2018-12-04 | 中国科学院寒区旱区环境与工程研究所 | A kind of flange plate type anti-reverse-rotation structure with side tool cutting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20150826 |
|
| RGAV | Abandon patent right to avoid regrant |