CN105735895A - Fully-sealed follow-up sealed flatcar for engineering drilling machine - Google Patents
Fully-sealed follow-up sealed flatcar for engineering drilling machine Download PDFInfo
- Publication number
- CN105735895A CN105735895A CN201610225899.6A CN201610225899A CN105735895A CN 105735895 A CN105735895 A CN 105735895A CN 201610225899 A CN201610225899 A CN 201610225899A CN 105735895 A CN105735895 A CN 105735895A
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- Prior art keywords
- sealing
- chassis
- flatcar
- sealed
- platform
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- 238000005553 drilling Methods 0.000 title abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 150
- 230000007306 turnover Effects 0.000 claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims description 24
- 239000000806 elastomer Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 relates to a fully-sealed follow-up sealed flatcar for an engineering drilling machine. The fully-sealed follow-up sealed flatcar comprises a chassis, wherein a first half-sealed flatcar and a second half-sealed flatcar which move relative to the center of the chassis in an opened and closed translational motion manner are embedded into the chassis; the first half-sealed flatcar and the second half-sealed flatcar both consist of sealing beams, middle sealed platforms and end part sealed platforms in sequence from the center to outside of the drilling machine; the sealing beam is hinged to the middle sealed platforms; the middle sealed platforms are hinged to the end part sealed platforms; the end part sealed platforms are hinged to the chassis; turnover plates are arranged above the middle sealed platforms and above the end part sealed platforms; the right ends of the turnover plates are hinged to the end part sealed platforms; the left ends of the turnover plates are in lap joint with the middle sealed platforms; a push device which is horizontally arranged is connected between the left and right sides of the sealing beams and the chassis. By adopting the fully-sealed follow-up sealed flatcar, security of operators and facilities on the sealed flatcar can be effectively ensured, and meanwhile, the minimum working space on the chassis of the engineering drilling machine is also achieved.
Description
Technical field
The present invention relates to engineering driller technical field, particularly relate to a kind of for engineering driller Totally enclosed follow-up sealing flatcar.
Background technology
Heavy construction rig all has chassis, and chassis is generally made up of quadra and empty be in the frame embedded in a pair and relatively can make the platform (beam) of opening and closing translational motion by center chassis four end to end girder steels, the platform (beam) doing opening and closing translational motion is sealing flatcar by this, sealing flatcar is mainly drilling and designs, the weight of carrying drilling tool, is also simultaneously workmen's operating platform of carrying out drilling operation in the above.
Sealing flatcar is sealed flatcar by two and half and forms, arrange with drill central lateral symmetry respectively, its duty is as follows: (1) when drill hole of drilling machine or when removing drilling rod, in order to allow tool joint pass through sealing flatcar, the slideway that two and half sealing flatcars are arranged along chassis member is relative to opposite direction one small distance of translation (monolateral move such as 500mm)；(2), when connecting and disconnecting drill rod needs to be stuck in drilling tool sealing flatcar, two halves sealing flatcar closes up；(3), when removing drill bit, two halves sealing flatcar, away from drill center, gets out of the way drill bit space, and now, big stroke relative motion (monolateral stroke such as reaches 2000mm-3000mm) to be made by two sealing flatcars.But there is a significant deficiency in the sealing flatcar of currently used shaft drilling machine and engineering driller: sealing flatcar is because of the needs of bore process, it is frequently necessary to move along slideway, therefore two big gap are always formed between sealing flatcar and borer chassis two end carriage, it is difficult to close, it is easy to cause fall (engineering driller is maked somebody a mere figurehead by single steel pile casting and reached 20 meters high) of sealing flat passengers inside the car and facility.In order to seal the safety of flat passengers inside the car and facility, and for realize having bigger work space on sealing flatcar, spy has carried out the invention of engineering driller Totally enclosed follow-up sealing flatcar.
Summary of the invention
The present invention is to solve weak point of the prior art, there is provided one for engineering driller Totally enclosed follow-up sealing flatcar, it is effectively ensured and has sealed the safety of operator and engineering equipment on flatcar, also provided sufficiently large work space on engineering driller chassis simultaneously.
nullThe invention provides a kind of for engineering driller Totally enclosed follow-up sealing flatcar，Including chassis，Described chassis is by two longerons being parallel to each other and two end to end quadra structures formed of the crossbeam being parallel to each other，The quadra structure on described chassis is embedded with to be opened with relative center chassis、Close the first half sealing flatcars and the second half sealing flatcars of translational motion，The first half sealing flatcars and the second half sealing flatcars are all slidably connected with chassis，The first half sealing flatcars and the second half sealing flatcars are arranged with drill central lateral symmetry，The first half sealing flatcars and the second half sealing flatcars are equipped with the semicircle opening for borer drill rod and drill bit traverse，The first half sealing flatcars and the second half sealing flatcar structures are identical，By sealing beam、Middle part sealing platform、End seals platform forms，Sealing beam outwards it is followed successively by from the center of rig、Middle part sealing platform、End seals platform，It is hinged near the end of center chassis one end that platform is all sealed with middle part in the both sides, front and back of described sealing beam，Its pin joint is the first pin joint，Sealing platform in middle part is hinged near the end of center chassis one end with end seals platform away from the end of center chassis one end，Its pin joint is the second pin joint，End seals platform is hinged away from the end of center chassis one end and the quadra on chassis；Its second pin joint position is higher than the first pin joint position；The sealing top of platform, described middle part and end seals platform be arranged over turnover panel, turnover panel is hinged with end seals platform away from the end of center chassis one end, and turnover panel is near the end of center chassis one end and middle part sealing platform overlap joint；Sealing beam is away from being connected to horizontally disposed hydraulic jack between center chassis one end and the quadra on chassis.
Described end seals platform is provided with chute near one end of center chassis, and its second pin joint coordinates with this slide.
Being provided with mean for the slideway of sealing beam open and close movement on the quadra on described chassis, the both sides, front and back of sealing beam are equipped with pulley matching used with slideway.
The upper surface of described turnover panel is higher than the upper surface of sealing beam, the thickness of the high turnover panel of upper surface of the upper surface ratio sealing beam of turnover panel.
It is provided with elastic support between downside and the outside of sealing beam of described middle part sealing platform.
Described elastic support includes connecting rod, elastomer, sleeve, described connecting rod is hinged with the downside of middle part sealing platform away from center chassis one end, connecting rod uses away from center chassis one end fits with sleeve near center chassis one end, sleeve is hinged with sealing beam near center chassis one end, described sleeve away from end, center chassis one end circumferentially arranged with the first baffle plate, the middle part of connecting rod is provided with second baffle, is provided with elastomer between the first baffle plate and second baffle.
Described elastomer is compression spring, and connecting rod is located at by compression spring housing, and the two ends of compression spring are fixed with the first baffle plate and second baffle respectively and are connected.
Described elastomer is rubber axle sleeve, and rubber axle sleeve is sheathed on connecting rod, and the two ends of rubber axle sleeve are fixed with the first baffle plate and second baffle respectively and are connected.
Described elastomer is metal clips, and metal clips is uniformly arranged along the circumference of connecting rod, and the two ends of metal clips are fixed with the first baffle plate and second baffle respectively and are connected.
The structure adopting the present invention can close the chassis of rig all the time in rig work process, and can meet the needs of the sealing various aperture of flatcar, and in each half sealing vehicle assembly, various motions between each parts realize by the reciprocating motion of a group oil cylinder.Setting up of the totally-enclosed sealing flatcar of engineering driller, has been effectively ensured and has sealed the safety of operator and facility on flatcar, also achieved work space maximum on engineering driller chassis simultaneously.
Accompanying drawing explanation
Structural representation when Fig. 1 is the present invention the first half sealing flatcar and the second half sealing flatcars close up；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is present invention structural representation when removing drilling rod；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is present invention structural representation when removing drill bit；
Fig. 6 is the top view of Fig. 5.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described in further detail.
nullSuch as Fig. 1、Shown in Fig. 2，The invention provides a kind of for engineering driller Totally enclosed follow-up sealing flatcar，Including chassis 1，Described chassis is by two longerons being parallel to each other and two end to end quadra structures formed of the crossbeam being parallel to each other，The quadra on described chassis 1 is embedded with to be opened with center, relative chassis 1、Close the first half sealing flatcars 2 and the second half sealing flatcars 3 of translational motion，The first half sealing flatcars 2 and the second half sealing flatcars 3 are all slidably connected with chassis 1，The first half sealing flatcars 2 and the second half sealing flatcars 3 are arranged with drill central lateral symmetry，The first half sealing flatcars 2 and the second half sealing flatcars 3 are equipped with the semicircle opening for borer drill rod and drill bit traverse，When the first half sealing flatcars 2 and the second half sealing flatcars 3 close up，The upper surface of borer chassis is to close，The first half sealing flatcars 2 and the second half sealing flatcars 3 form a complete plane，And the first half sealing flatcar 2 and the second half sealing flatcar 3 compositions complete plane and the quadra on chassis 1 upper surface almost in one plane.
With the one end near center chassis 1 for right-hand member in the present invention, with the one end away from center chassis 1 for left end.
As shown in Fig. 3～Fig. 5, described the first half sealing flatcars 2 are by sealing beam 4, middle part sealing platform 5, end seals platform 6 forms, sealing beam 4 outwards it is followed successively by from the center of rig, middle part sealing platform 5, end seals platform 6, the both sides, front and back of described sealing beam 4 (are referred to as front side with the side towards oneself under normal circumstances, it is referred to as rear side with oneself side dorsad) all hinged with the right-hand member end of middle part sealing platform 5, its pin joint is the first pin joint 8, hinged by limited location, the direction that sealing platform 5 in middle part is heaved relative to sealing beam 4 can only be allowed to rotate around the first pin joint 8.
The left end end of middle part sealing platform 5 is hinged with end seals platform 6 right-hand member, its pin joint is the second pin joint 7, the right-hand member of end seals platform 6 is provided with chute 11, its second pin joint 7 is slidably matched with this chute 11, the bearing pin of the second pin joint 7 slides use in chute 11, and the length of chute 11 meets when removing drilling rod the first half sealing flatcars 2 and the needs of the second half sealing flatcar 3 foldings by a small margin.End seals platform 6 is supported in above the crossbeam on chassis 1, and the left end of end seals platform 6 is hinged with the crossbeam on chassis 1, and so, end seals platform 6 also can keep level under cantilever situation；Its second pin joint 7 position is higher than the first pin joint 8 position；The sealing top of platform 5, described middle part and end seals platform 6 be arranged over turnover panel 10, the left end of turnover panel 10 is hinged with end seals platform 6, the right-hand member of turnover panel 10 overlaps with middle part sealing platform 5, the upper surface of turnover panel 10 is higher than the upper surface of sealing beam 4, and the upper surface ratio of turnover panel 10 seals the thickness of the high turnover panel 10 of upper surface of beam 4 under normal circumstances.
Sealing beam 4 is away from being connected to horizontally disposed hydraulic jack 9 between one end, center, chassis 1 and the quadra on chassis 1, the stroke of described hydraulic jack 9 is generally 2.5m, it is possible to ensure that rig exchanges drilling rod for and removes the needs of drill bit.
As shown in Figure 1 and Figure 2, described the second half sealing flatcars 3 are identical with the first half sealing flatcar 2 structures, and the second half sealing flatcars 3 and the first half sealing flatcars 2 are symmetrical arranged about center chassis 1, are therefore here just no longer described in detail.
Being provided with mean for the slideway 12 of sealing beam 4 open and close movement on the quadra on described chassis 1, the both sides, front and back of sealing beam 4 are equipped with pulley 13 matching used with slideway 12.
It is provided with elastic support 16 between downside and the outside of sealing beam 4 of described middle part sealing platform 5.The effect of its elastic support 16 is in that to support most of gravity of middle part sealing platform 5 and end seals platform 6, so can be greatly reduced the maximum pull that hydraulic jack 9 is required when driving the first half sealing flatcars 2 and the second half sealing flatcars 3 to do significantly opening and closing motion, and improve the first half sealing flatcars 2 and when significantly opening and closing motion done by the second half sealing flatcars 3 simultaneously, front and back two side roller 13 of sealing beam 4 with contact situation between slideway 12.
Described elastic support 16 includes connecting rod 17, elastomer 18, sleeve 19, described connecting rod 17 is hinged with the downside of middle part sealing platform 5 away from center chassis one end, connecting rod 17 uses away from center chassis one end fits with sleeve 19 near center chassis one end, sleeve 19 is hinged with sealing beam 4 near center chassis one end, described sleeve 19 away from end, center chassis one end circumferentially arranged with the first baffle plate 20, the middle part of connecting rod 17 is provided with second baffle 21, is provided with elastomer 18 between the first baffle plate 20 and second baffle 21.
Described elastomer 18 is compression spring, and connecting rod 17 is located at by compression spring housing, and the two ends of compression spring are fixed be connected with the first baffle plate 20 and second baffle 21 respectively.
Described elastomer 18 is rubber axle sleeve, and rubber axle sleeve is sheathed on connecting rod 17, and the two ends of rubber axle sleeve are fixed be connected with the first baffle plate 20 and second baffle 21 respectively.
Described elastomer 18 is metal clips, and metal clips is uniformly arranged along the circumference of connecting rod, and the two ends of metal clips are fixed be connected with the first baffle plate 20 and second baffle 21 respectively.
As shown in Figure 3, Figure 4, when removing drilling rod, under the driving of hydraulic jack 9, the first half sealing flatcars 2 and the second half sealing flatcars 3 do open and close movement by a small margin, and now the space, space between middle part sealing platform 5 and end seals platform 6 is covered by turnover panel 10.
Such as Fig. 5, shown in Fig. 6, when removing drill bit, under the driving of hydraulic jack 9, the first half sealing flatcars 2 and the second half sealing flatcars 3 do significantly open and close movement, the distance that second pin joint 7 slides in chute 11 exceedes the length of chute 11, owing to the end of end seals platform 6 and the quadra on chassis 1 are hinged, retrained by this, middle part sealing platform 5 and end seals platform 6 between hinged become between two compression members hinged, owing to the position of the second pin joint 7 is higher than the position of the first pin joint 8, form difference in height, under the promotion of hydraulic jack 9, produce a moment and middle part is sealed platform 5 and end seals platform 6 arches upward and then folding simultaneously, to adapt to the first half sealing flatcars 2 and the second half space requirements constantly opened sealing flatcar 3.
Under normal circumstances, the first half sealing flatcars 2 and the second half sealing flatcars 3 are in opening and closing movement by a small margin, second pin joint 7 is always in certain position in chute 11, now end seals platform 6 transfixion in horizontal plane, only sealing platform 5 in middle part is with the horizontal movement of sealing beam 4 opposed end sealing platform 6, although having relative motion in horizontal plane between middle part sealing platform 5 and end seals platform 6, but it is positioned at the turnover panel 10 on chute 11 and ensure that the closure of whole working place, the upper surface of turnover panel 10 only exceeds sealing one thickness of slab of beam 4 upper surface, about 1 centimetre～2 centimetres.
To sum up, the chassis 1 of rig can be closed in rig work process all the time by the closing device of program design, the chassis 1 of rig is fixed on the top of steel casting pit shaft 14 by ring flange 15, and can meet the needs of the various aperture of closing device, and in the first half sealing flatcars 2 and the second half sealing flatcars 3, various motions between each parts realize by moving back and forth of hydraulic jack 9.Setting up of engineering driller Totally enclosed follow-up closing device, the safety being effectively ensured on closing device operator and facility, also achieve work space maximum on engineering driller chassis 1 simultaneously.
In description herein, additionally employ the word such as " first ", " second " to limit the words of parts, those skilled in the art should know: the use of " first ", " second " is intended merely to facilitate the description present invention and simplifies description, as additionally do not stated, above-mentioned word does not have special implication.
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 scope of claimed invention.Claimed scope is defined by appending claims and equivalent.
Claims (9)
- null1. one kind is sealed flatcar for engineering driller Totally enclosed follow-up，Including chassis，Described chassis is by two longerons being parallel to each other and two end to end quadra structures formed of the crossbeam being parallel to each other，The quadra structure on described chassis is embedded with to be opened with relative center chassis、Close the first half sealing flatcars and the second half sealing flatcars of translational motion，The first half sealing flatcars and the second half sealing flatcars are all slidably connected with chassis，The first half sealing flatcars and the second half sealing flatcars are arranged with drill central lateral symmetry，The first half sealing flatcars and the second half sealing flatcars are equipped with the semicircle opening for borer drill rod and drill bit traverse，It is characterized in that: the first half sealing flatcars and the second half sealing flatcar structures are identical，By sealing beam、Middle part sealing platform、End seals platform forms，Sealing beam outwards it is followed successively by from the center of rig、Middle part sealing platform、End seals platform，It is hinged near the end of center chassis one end that platform is all sealed with middle part in the both sides, front and back of described sealing beam，Its pin joint is the first pin joint，Sealing platform in middle part is hinged near the end of center chassis one end with end seals platform away from the end of center chassis one end，Its pin joint is the second pin joint，End seals platform is hinged away from the end of center chassis one end and the quadra on chassis；Its second pin joint position is higher than the first pin joint position；The sealing top of platform, described middle part and end seals platform be arranged over turnover panel, turnover panel is hinged with end seals platform away from the end of center chassis one end, and turnover panel is near the end of center chassis one end and middle part sealing platform overlap joint；Sealing beam is away from being connected to horizontally disposed hydraulic jack between center chassis one end and the quadra on chassis.
- 2. according to claim 1 for engineering driller Totally enclosed follow-up sealing flatcar, it is characterised in that: described end seals platform is provided with chute near one end of center chassis, and its second pin joint coordinates with this slide.
- 3. according to claim 1 for engineering driller Totally enclosed follow-up sealing flatcar, it is characterised in that: being provided with mean for the slideway of sealing beam open and close movement on the quadra on described chassis, the both sides, front and back of sealing beam are equipped with pulley matching used with slideway.
- 4. according to claim 1 for engineering driller Totally enclosed follow-up sealing flatcar, it is characterised in that: the upper surface of described turnover panel is higher than the upper surface of sealing beam, the thickness of the high turnover panel of upper surface of the upper surface ratio sealing beam of turnover panel.
- 5. according to claim 1 for engineering driller Totally enclosed follow-up sealing flatcar, it is characterised in that: it is provided with elastic support between downside and the outside of sealing beam of described middle part sealing platform.
- 6. according to claim 5 for engineering driller Totally enclosed follow-up sealing flatcar, it is characterized in that: described elastic support includes connecting rod, elastomer, sleeve, described connecting rod is hinged with the downside of middle part sealing platform away from center chassis one end, connecting rod uses away from center chassis one end fits with sleeve near center chassis one end, sleeve is hinged with sealing beam near center chassis one end, described sleeve away from end, center chassis one end circumferentially arranged with the first baffle plate, the middle part of connecting rod is provided with second baffle, is provided with elastomer between the first baffle plate and second baffle.
- 7. seal flatcar for engineering driller Totally enclosed follow-up according to claim 6, it is characterised in that: described elastomer is compression spring, and connecting rod is located at by compression spring housing, and the two ends of compression spring are fixed with the first baffle plate and second baffle respectively and are connected.
- 8. seal flatcar according to described in claim 6 for engineering driller Totally enclosed follow-up, it is characterised in that: described elastomer is rubber axle sleeve, and rubber axle sleeve is sheathed on connecting rod, and the two ends of rubber axle sleeve are fixed with the first baffle plate and second baffle respectively and are connected.
- 9. seal flatcar according to described in claim 6 for engineering driller Totally enclosed follow-up, it is characterized in that: described elastomer is metal clips, metal clips is uniformly arranged along the circumference of connecting rod, and the two ends of metal clips are fixed with the first baffle plate and second baffle respectively and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225899.6A CN105735895B (en) | 2016-04-13 | 2016-04-13 | One kind is used for engineering driller Totally enclosed follow-up sealing flatcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225899.6A CN105735895B (en) | 2016-04-13 | 2016-04-13 | One kind is used for engineering driller Totally enclosed follow-up sealing flatcar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735895A true CN105735895A (en) | 2016-07-06 |
| CN105735895B CN105735895B (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610225899.6A Active CN105735895B (en) | 2016-04-13 | 2016-04-13 | One kind is used for engineering driller Totally enclosed follow-up sealing flatcar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403890A (en) * | 2018-09-19 | 2019-03-01 | 亨通海洋工程有限公司 | A kind of sealing flatcar opening/closing method driven by electric capstan |
| CN111877998A (en) * | 2020-08-28 | 2020-11-03 | 平煤建工集团特殊凿井工程有限公司 | Transition chassis for engineering drilling machine |
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| CN201206431Y (en) * | 2008-04-30 | 2009-03-11 | 湖南山河智能机械股份有限公司 | Base plate of rotary drill rig |
| WO2013123221A1 (en) * | 2012-02-14 | 2013-08-22 | T&T Engineering Services, Inc. | Drill rig moving system |
| US20150152690A1 (en) * | 2009-08-07 | 2015-06-04 | National Oilwell Varco, L.P. | Drilling rig with hinged, retractable outriggers |
| CN204846097U (en) * | 2015-07-24 | 2015-12-09 | 上海中联重科桩工机械有限公司 | Lower frame structure of rotary drilling rig and rotary drilling rig |
| CN204896002U (en) * | 2015-09-08 | 2015-12-23 | 浙江圣林包装有限公司 | Novel capper |
| CN205532287U (en) * | 2016-04-13 | 2016-08-31 | 平煤建工集团特殊凿井工程有限公司 | Be used for totally closed follow -up flatcar for seal of shaft top of engineering driller |
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2016
- 2016-04-13 CN CN201610225899.6A patent/CN105735895B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206431Y (en) * | 2008-04-30 | 2009-03-11 | 湖南山河智能机械股份有限公司 | Base plate of rotary drill rig |
| US20150152690A1 (en) * | 2009-08-07 | 2015-06-04 | National Oilwell Varco, L.P. | Drilling rig with hinged, retractable outriggers |
| WO2013123221A1 (en) * | 2012-02-14 | 2013-08-22 | T&T Engineering Services, Inc. | Drill rig moving system |
| CN204846097U (en) * | 2015-07-24 | 2015-12-09 | 上海中联重科桩工机械有限公司 | Lower frame structure of rotary drilling rig and rotary drilling rig |
| CN204896002U (en) * | 2015-09-08 | 2015-12-23 | 浙江圣林包装有限公司 | Novel capper |
| CN205532287U (en) * | 2016-04-13 | 2016-08-31 | 平煤建工集团特殊凿井工程有限公司 | Be used for totally closed follow -up flatcar for seal of shaft top of engineering driller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403890A (en) * | 2018-09-19 | 2019-03-01 | 亨通海洋工程有限公司 | A kind of sealing flatcar opening/closing method driven by electric capstan |
| CN111877998A (en) * | 2020-08-28 | 2020-11-03 | 平煤建工集团特殊凿井工程有限公司 | Transition chassis for engineering drilling machine |
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| Publication number | Publication date |
|---|---|
| CN105735895B (en) | 2018-02-09 |
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