CN105756578A - Drilling tool rotation supporting structure for raise boring machine - Google Patents
Drilling tool rotation supporting structure for raise boring machine Download PDFInfo
- Publication number
- CN105756578A CN105756578A CN201610273765.1A CN201610273765A CN105756578A CN 105756578 A CN105756578 A CN 105756578A CN 201610273765 A CN201610273765 A CN 201610273765A CN 105756578 A CN105756578 A CN 105756578A
- Authority
- CN
- China
- Prior art keywords
- centralizer
- rotating ring
- pin
- supporting structure
- drilling tool
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 210000001138 tear Anatomy 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
- E21B17/1064—Pipes or rods with a relatively rotating sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling tool rotation supporting structure for a raise boring machine.The drilling tool rotation supporting structure comprises a supporting assembly, a centralizer assembly and a rolling bearing.The supporting assembly comprises a lower plug plate box body and a downward pressing cover.The rolling bearing comprises a fixed ring, rollers and a movable ring.The centralizer assembly comprises a centralizer shell, a centralizer pin, a rubber supporting cushion and an R-shaped pin.The lower plug plate box body and the downward pressing cover are installed in installation holes of a base in a matched mode and connected to the base through installation bolts.The centralizer pin is arranged in a pin groove of the centralizer shell.The end of the centralizer pin is fixed to the centralizer shell through the R-shaped pin.The rubber supporting cushion is arranged in the pin groove of the centralizer shell and half wraps the centralizer pin.The fixed ring is matched with the inner surface of the lower plug plate box body.The rollers are distributed between the movable ring and the fixed ring.The centralizer assembly is connected with the movable ring through matching between the centralizer shell and the movable ring.According to the drilling tool rotation supporting structure, rigid abrasion of a drill rod and a centering structure is avoided, and the centering and hole guiding precision is high.
Description
Technical field
The invention belongs to mining machinery technical field, particularly relate to a kind of drilling tool rotation supporting structure for raise boring machine.
Background technology
Raise boring machine is as the important construction equipment of one in mine raise construction.Existing raise boring machine, in connecting and disconnecting drill rod process, owing to drilling rod is different with the diameter dimension of stabiliser bar, generally requires and manually snaps in or take out stable watt, be inconvenient for, affect efficiency of construction.And in work progress, stable watt with drilling rod owing to directly contacting, it may occur that rigidity abrasion, seriously even deform, need to frequently change steady bar watt.The stable watt of important feature as drilling rod centering, its abrasion and deformation, by having a strong impact on the precision of boring in work progress, affect construction quality.The disclosed a kind of engineering stile of the patent No. 201320069633.9, including righting disk body, described righting disk body is revolving body, described righting disk body is by internal sleeve assembly, outer jacket member, prop up stay tube and disk body shell composition, described internal sleeve assembly is sleeved on the external cylindrical surface of center drill rod, described internal sleeve assembly rotates with center drill rod, described outer jacket member covers the internal sleeve assembly outside away from center drill rod, described outer jacket member and internal sleeve assembly are connected, described stay tube auxiliary supports outer jacket member and internal sleeve assembly, described stay tube connects outer jacket member and disk body shell.In this patent, centralizer ensures boring direction in drilling process, it is ensured that straight the creeping in duct, but its structure is complicated, and manufacturing cost is high.Therefore be there is pivotal role by the rotation supporting structure on drilling tool base in raising raise boring machine efficiency of construction and construction quality.
Summary of the invention
The purpose of the present invention is that and overcomes the deficiencies in the prior art, provide a kind of drilling tool rotation supporting structure for raise boring machine, the rigidity which obviating drilling rod and adjective-centre structure is worn and torn, and centering and guide hole precision are high, solve the dismounting problem in existing drilling rod and stabiliser bar handoff procedure simultaneously.
To achieve these goals, the invention provides a kind of drilling tool rotation supporting structure for raise boring machine, including a support component, centralizer assembly and rolling bearing, described support component includes lower plugboard box body and lower cover, described rolling bearing includes fixed ring, roller and rotating ring, described centralizer assembly includes centralizer shell, centralizer pin, rubber pad and R shape pin, described lower plugboard box body coordinates in the installing hole being installed on base with described lower cover, and described lower plugboard box body and lower cover is connected on described base by installing bolt；Described centralizer pin is placed in the cotter way of described centralizer shell, and the end of described centralizer pin is fixed by described R shape pin and described centralizer shell, and described rubber pad is placed in the cotter way of described centralizer shell and partly wraps up in described centralizer pin；Described fixed ring matches with the inner surface of described lower plugboard box body, and described roller is distributed between described rotating ring and fixed ring, and described centralizer assembly is matched with described rotating ring by described centralizer shell and is connected with described rotating ring.
Further, described lower plugboard box body is by its end face to having opened oil duct between described rotating ring and fixed ring, and the oil-in of described oil duct installs forced filling oil cup.
Further, being respectively arranged with the second sealing member and the 4th sealing member above and below described roller, described second sealing member is positioned at the top of described oil duct oil-out.
Further, the axial locating surface of described lower plugboard box body and described base is provided with copper packing.
Further, the location cylindrical that described lower plugboard box body and described base axially position is provided with the first sealing member.
Further, described lower cover is provided with the 3rd sealing member with the binding face of described base.
Further, the inner surface of described rotating ring is uniformly distributed along the circumference and is provided with some combination slots, described combination slot includes groove and cotter way, described centralizer shell matches with the groove of described rotating ring, radially fixed by described centralizer assembly and described rotating ring, described centralizer pin matches with the cotter way of described rotating ring, by the axial restraint of described centralizer assembly Yu described rotating ring.
Further, being connected on the combination slot of described rotating ring, the back side of the centralizer shell of some described centralizer assemblies forms circle some described centralizer assembly circumference uniform distributions.
Further, the back side of described centralizer shell becomes zigzag.
The back side of the centralizer shell of some centralizer assemblies forms circle, and diameter of a circle is identical with the diameter of drilling rod.Centralizer assembly plays centering and the guide effect of drilling rod.In rod boring process, when there is friction with centralizer assembly in drilling rod, rotating ring rotates without there is sliding friction with centralizer assembly together with drilling rod, thus being not result in rigidity abrasion, such that it is able to ensure for a long time the service precision of centralizer assembly, it is ensured that centralizer assembly is to the centering of drilling rod and guide hole precision.Corresponding rotating ring is rotated relative to fixed ring by the roller between rotating ring with fixed ring.This structure avoids drilling rod to contact with the direct of adjective-centre structure, causes rigidity to wear and tear, and impact is felt relieved and guide hole precision, causes adjective-centre structure rigidity to wear and tear, and even adjective-centre structure deforms upon, and therefore needs frequently to change adjective-centre structure.And the present invention is by the rigidity friction directly contacted of drilling rod in prior art with adjective-centre structure, abrasion is big, converts the uniform rolling friction in roller rotation process between rotating ring and fixed ring to, greatly reduces frictional resistance, weares and teares little.When needs carry out stabiliser bar unload time, it is only necessary to the gap of the stable block alignment centralizer assembly of stabiliser bar, it is not necessary to manually snap in or take out centralizer assembly, quick and convenient.
Beneficial effects of the present invention:
1, the centralizer assembly of the present invention and rotating ring together rotate along with creeping into of drilling rod, rotating ring relatively rotates relative to fixed ring, this avoids drilling rod and directly contacts with adjective-centre structure and produce rigidity abrasion, even deform, affect centering and the guide hole precision of adjective-centre structure, cause that borehole accuracy is poor, need to frequently change adjective-centre structure, cause production cost high.
2, by arranging copper packing on the axial locating surface of lower plugboard box body of the present invention and base, to reduce the friction between lower plugboard box body and base, be conducive to lower plugboard box body in the fashionable rotation of inserting board.
3, the setting of each sealing member of the present invention, improves the sealing property of rotation supporting structure, to stop grain slag to enter inside revolving support, damages rotation supporting structure, it is ensured that the cleaning within revolving support.
4, the back side of the centralizer shell of centralizer assembly of the present invention is designed to zigzag, and to increase the friction of centralizer shell and drilling rod surface, when drilling rod rotates, centralizer assembly together rotates in company with drilling rod, does not have relative sliding, will not wear and tear.
5, the lower plugboard box body of the present invention has opened oil duct, oil duct by its end face to open-minded between rotating ring and fixed ring, by forced filling oil cup to charging-up lubricant oil in oil duct, thus to rolling bearing lubrication, reduce the friction in roller rotation process, reduce abrasion, improve the service life of rolling bearing.
6, rotating ring of the present invention rotates together with drilling rod with centralizer assembly, alleviates the vibrations in drilling rod rotation process by rubber pad, to ensure centering and the guide hole precision of centralizer assembly.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic three dimensional views of centralizer assembly in the embodiment of the present invention.
Above-mentioned accompanying drawing labelling:
1 first sealing member, 2 lower plugboard box bodys, 3 fixed rings, 4 rollers, 5 rotating rings, 6 centralizer assemblies, 7 second sealing members, 8 forced filling oil cups, 9 copper packings, 10 the 3rd sealing members, 11 the 4th sealing members, 12 install bolt, 13 lower covers, 14 bases
6-1 centralizer shell, 6-2 centralizer pin, 6-3 rubber pad, 6-4R shape pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, invention is further illustrated, but be not limited to the scope of the present invention.
Embodiment
As shown in Figure 1, 2, a kind of drilling tool rotation supporting structure for raise boring machine provided by the invention, including a support component, centralizer assembly 6 and rolling bearing, described support component includes lower plugboard box body 2 and lower cover 13, and described rolling bearing includes fixed ring 3, roller 4 and rotating ring 5.
As shown in Figure 3, described centralizer assembly 6 includes centralizer shell 6-1, centralizer pin 6-2, rubber pad 6-3 and R shape pin 6-4, described centralizer pin 6-2 is placed in the cotter way of described centralizer shell 6-1, the end of described centralizer pin 6-2 is fixed by described R shape pin 6-3 and described centralizer shell 6-1, and described rubber pad 6-2 is placed in the cotter way of described centralizer shell 6-1 and partly wraps up in described centralizer pin 6-2.
Described lower plugboard box body 2 coordinates in the installing hole being installed on base 14 with described lower cover 13, and is connected on described base 14 with lower cover 13 by described lower plugboard box body 2 by installing bolt 12.
Described fixed ring 3 matches with the inner surface of described lower plugboard box body 2, and described roller 4 is distributed between described rotating ring 5 and fixed ring 3, and described centralizer assembly 6 is matched with described rotating ring 5 by described centralizer shell 6-1 and is connected with described rotating ring 5.
The described lower plugboard box body 2 of the present invention is by its end face to having opened oil duct between described rotating ring 5 and fixed ring 3, and the oil-in of described oil duct installs forced filling oil cup 8, it is preferable that forced filling oil cup 8 is through type forced filling oil cup.By forced filling oil cup 8 to charging-up lubricant oil in oil duct, thus to rolling bearing lubrication, reducing the friction in roller 4 rotation process, reducing abrasion, improving the service life of rolling bearing.
Being respectively arranged with the second sealing member 7 and the 4th sealing member 11 above and below the described roller 4 of the present invention, described second sealing member 7 is positioned at the top of described oil duct oil-out.As it is shown in figure 1, the second sealing member 7 and the 4th sealing member 11 are separately mounted on lower plugboard box body 2 and lower cover 13, it is prevented that forced filling oil cup 8 adds the outflow of lubrication oil in rolling bearing, affects the lubricant effect of rolling bearing.
The described lower plugboard box body 2 of the present invention and the axial locating surface of described base 14 are provided with copper packing 9.Copper packing 9 decreases the friction between lower plugboard box body 2 and base 14, is conducive to lower plugboard box body 2 in the fashionable rotation of inserting board.
The location cylindrical that described lower plugboard box body 2 and the described base 14 of the present invention axially position is provided with the first sealing member 1.First sealing member 1 removes the sealing function of plate box body 2 and base 14, it is prevented that grain slag enters inside revolving support, damages rotation supporting structure, it is ensured that the cleaning within revolving support.
The described lower cover 13 of the present invention is provided with the 3rd sealing member 10 with the binding face of described base 14.The sealing function of the 3rd sealing member 10 lower cover 13 and base 14, it is prevented that grain slag enters inside revolving support, damages rotation supporting structure, it is ensured that the cleaning within revolving support.
The inner surface of the described rotating ring 5 of the present invention is uniformly distributed along the circumference and is provided with some combination slots, described combination slot includes groove and cotter way, described centralizer shell 6-1 matches with the groove of described rotating ring 5, radially fixed by described centralizer assembly 6 and described rotating ring 5, described centralizer pin 6-2 matches with the cotter way of described rotating ring 5, by the axial restraint of described centralizer assembly 6 with described rotating ring 5.The connected mode of centralizer assembly 6 and rotating ring 5, it is ensured that the reliability that centralizer assembly 6 is connected with rotating ring 5, is conducive to the centralizer assembly 6 quick-replaceable relative to rotating ring 5 simultaneously.Centralizer assembly 6 has 1～2mm floating distance in radial directions simultaneously, and by rubber pad 6-3 to ensure drilling rod is had reliably thrust, rubber pad 6-3 gives centralizer assembly 6 with the adequate remedy after drill rod abrasion simultaneously.
Being connected on the combination slot of described rotating ring 5, the back side of the centralizer shell 6-1 of some described centralizer assemblies 6 forms circle some described centralizer assembly 6 circumference uniform distribution of the present invention.
The back side of the described centralizer shell 6-1 of the present invention becomes zigzag.The back side of centralizer shell 6-1 is designed to zigzag, to increase the friction of centralizer shell 6-1 and drilling rod surface, when drilling rod rotates, centralizer assembly 6 together rotates in company with drilling rod, do not have relative sliding, will not wear and tear, centralizer assembly 6 long service life, it is ensured that the high accuracy of drilling rod is led and certralizing ability by centralizer assembly 6.
The back side of the centralizer shell 6-1 of some centralizer assemblies 6 forms circle, and diameter of a circle is identical with the diameter of drilling rod.The centering of 6 drilling rods of centralizer assembly and guide effect.In rod boring process, when there is friction with centralizer assembly 6 in drilling rod, rotating ring 5 rotates without there is sliding friction with centralizer assembly 6 together with drilling rod, thus being not result in rigidity abrasion, such that it is able to ensure for a long time the service precision of centralizer assembly 6, it is ensured that centralizer assembly 6 is to the centering of drilling rod and guide hole precision.Corresponding rotating ring 5 is rotated relative to fixed ring 3 by the roller 4 between rotating ring 5 with fixed ring 3.Present invention, avoiding drilling rod to contact with the direct of adjective-centre structure, cause rigidity to wear and tear, impact is felt relieved and guide hole precision, causes adjective-centre structure rigidity to wear and tear, and even adjective-centre structure deforms upon, and therefore needs frequently to change adjective-centre structure.And the present invention is by the rigidity friction directly contacted of drilling rod in prior art with adjective-centre structure, abrasion is big, converts the uniform rolling friction in roller 4 rotation process between rotating ring 5 and fixed ring 3 to, greatly reduces frictional resistance, weares and teares little.When needs carry out stabiliser bar unload time, it is only necessary to the gap of the stable block alignment centralizer assembly 6 of stabiliser bar, it is not necessary to manually snap in or take out centralizer assembly 6, quick and convenient.
When rotating ring 5 rotates together with drilling rod with centralizer assembly 6, alleviate the vibrations in drilling rod rotation process by rubber pad 6-3, to ensure centering and the guide hole precision of centralizer assembly 6.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (9)
1. the drilling tool rotation supporting structure for raise boring machine, it is characterized in that: include a support component, centralizer assembly and rolling bearing, described support component includes lower plugboard box body and lower cover, described rolling bearing includes fixed ring, roller and rotating ring, described centralizer assembly includes centralizer shell, centralizer pin, rubber pad and R shape pin, described lower plugboard box body coordinates in the installing hole being installed on base with described lower cover, and described lower plugboard box body and lower cover is connected on described base by installing bolt；Described centralizer pin is placed in the cotter way of described centralizer shell, and the end of described centralizer pin is fixed by described R shape pin and described centralizer shell, and described rubber pad is placed in the cotter way of described centralizer shell and partly wraps up in described centralizer pin；Described fixed ring matches with the inner surface of described lower plugboard box body, and described roller is distributed between described rotating ring and fixed ring, and described centralizer assembly is matched with described rotating ring by described centralizer shell and is connected with described rotating ring.
2. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 1, it is characterised in that described lower plugboard box body is by its end face to having opened oil duct between described rotating ring and fixed ring, and the oil-in of described oil duct installs forced filling oil cup.
3. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 2, it is characterised in that being respectively arranged with the second sealing member and the 4th sealing member above and below described roller, described second sealing member is positioned at the top of described oil duct oil-out.
4. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 1, it is characterised in that the axial locating surface of described lower plugboard box body and described base is provided with copper packing.
5. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 1, it is characterised in that the location cylindrical that described lower plugboard box body and described base axially position is provided with the first sealing member.
6. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 1, it is characterised in that the binding face of described lower cover and described base is provided with the 3rd sealing member.
7. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 1, it is characterized in that, the inner surface of described rotating ring is uniformly distributed along the circumference and is provided with some combination slots, described combination slot includes groove and cotter way, described centralizer shell matches with the groove of described rotating ring, radially fixed by described centralizer assembly and described rotating ring, described centralizer pin matches with the cotter way of described rotating ring, by the axial restraint of described centralizer assembly Yu described rotating ring.
8. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 7, it is characterized in that, being connected on the combination slot of described rotating ring, the back side of the centralizer shell of some described centralizer assemblies forms circle some described centralizer assembly circumference uniform distributions.
9. a kind of drilling tool rotation supporting structure for raise boring machine according to claim 8, it is characterised in that the back side of described centralizer shell becomes zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273765.1A CN105756578B (en) | 2016-04-28 | 2016-04-28 | A kind of drilling tool rotation supporting structure for raise boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273765.1A CN105756578B (en) | 2016-04-28 | 2016-04-28 | A kind of drilling tool rotation supporting structure for raise boring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105756578A true CN105756578A (en) | 2016-07-13 |
| CN105756578B CN105756578B (en) | 2017-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273765.1A Active CN105756578B (en) | 2016-04-28 | 2016-04-28 | A kind of drilling tool rotation supporting structure for raise boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105756578B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025861A (en) * | 2018-10-24 | 2018-12-18 | 湖南创远高新机械有限责任公司 | Raise boring machine handrail structure and raise boring machine |
| CN109162646A (en) * | 2018-10-24 | 2019-01-08 | 湖南创远高新机械有限责任公司 | The combined type of raise boring machine opens and closes steady bar board plug structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2304753A (en) * | 1995-08-24 | 1997-03-26 | Weatherford Lamb | Method for securing a well tool to a tubular and well tool adapted for said method |
| CN201301673Y (en) * | 2009-01-19 | 2009-09-02 | 郑州海来能源科技有限公司 | Front stabilizing device with T-shaped groove for top-drive back-up tong |
| CN102720449A (en) * | 2012-06-15 | 2012-10-10 | 兰桥昌 | Clamping mechanism of automatic twisting machine of spindle-type drilling machine |
| CN203531786U (en) * | 2013-10-30 | 2014-04-09 | 刘彬刚 | Well logging steel wire lubricating centralizer |
| CN205577883U (en) * | 2016-04-28 | 2016-09-14 | 湖南创远高新机械有限责任公司 | A drilling tool gyration bearing structure for raise boring machine |
-
2016
- 2016-04-28 CN CN201610273765.1A patent/CN105756578B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2304753A (en) * | 1995-08-24 | 1997-03-26 | Weatherford Lamb | Method for securing a well tool to a tubular and well tool adapted for said method |
| CN201301673Y (en) * | 2009-01-19 | 2009-09-02 | 郑州海来能源科技有限公司 | Front stabilizing device with T-shaped groove for top-drive back-up tong |
| CN102720449A (en) * | 2012-06-15 | 2012-10-10 | 兰桥昌 | Clamping mechanism of automatic twisting machine of spindle-type drilling machine |
| CN203531786U (en) * | 2013-10-30 | 2014-04-09 | 刘彬刚 | Well logging steel wire lubricating centralizer |
| CN205577883U (en) * | 2016-04-28 | 2016-09-14 | 湖南创远高新机械有限责任公司 | A drilling tool gyration bearing structure for raise boring machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025861A (en) * | 2018-10-24 | 2018-12-18 | 湖南创远高新机械有限责任公司 | Raise boring machine handrail structure and raise boring machine |
| CN109162646A (en) * | 2018-10-24 | 2019-01-08 | 湖南创远高新机械有限责任公司 | The combined type of raise boring machine opens and closes steady bar board plug structure |
| CN109025861B (en) * | 2018-10-24 | 2023-11-21 | 湖南创远高新机械有限责任公司 | Raise boring machine handrail structure and raise boring machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105756578B (en) | 2017-10-10 |
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