CN103075109A - Rotary drilling rig and follow-up rack thereof - Google Patents
Rotary drilling rig and follow-up rack thereof Download PDFInfo
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- CN103075109A CN103075109A CN2012105838942A CN201210583894A CN103075109A CN 103075109 A CN103075109 A CN 103075109A CN 2012105838942 A CN2012105838942 A CN 2012105838942A CN 201210583894 A CN201210583894 A CN 201210583894A CN 103075109 A CN103075109 A CN 103075109A
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Abstract
The invention provides a rotary drilling rig and a follow-up rack thereof. The follow-up rack of the rotary drilling rig comprises a rack body, as well as a revolving bearing and a sliding lug which are respectively arranged at two ends of the rack body; the outer ring of the revolving bearing is fixedly connected with a drill rod of the rotary drilling rig; the inner ring of the revolving bearing is fixedly arranged on the rack body; and the follow-up rack further comprises a revolving restriction device used for restricting the relative rotation between the outer ring and the rack body. The follow-up rack is provided with the revolving restriction device which can be used for effectively controlling the revolution DOF (Degree Of Freedom) of the follow-up rack relative to the drill rod, so that operating personnel can accurately control the in-place angle of the sliding lug of the follow-up rack by virtue of controlling a square head at the lower end of the drill rod in the process of inserting the drill rod into the power head, so that the difficulty in adjusting the in-place angle of the sliding lug of the follow-up rack is greatly reduced, the misoperation in the drill rod disassembly and assembly process is reduced, and the drill rod disassembly and assembly efficiency is improved.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of rotary drilling rig and arbitrary-movement articulator thereof.
Background technology
The arbitrary-movement articulator of rotary drilling rig is the servicing unit of drilling rod work, its end is equipped with revolution and supports and be sleeved on the drilling rod, drilling rod is played the revolution supporting role, the other end is provided with the sliding ear of guiding, arbitrary-movement articulator is slidingly connected by the guide rail formation of the sliding ear of this guiding and mast both sides, and in the effective length scope of mast, slide up and down the verticality when guaranteeing drilling rod work.Rotary drilling rig is when installing drilling rod, at first be that drilling rod is assembled on ground, the pivoting support of arbitrary-movement articulator is connected with the drilling rod upper flanges, and the sliding ear of arbitrary-movement articulator opened to both sides, homalocephalus with the drilling rod upper end links to each other with elevator again, hold up mast and by master winch drilling rod and arbitrary-movement articulator are sling, then transferring drilling rod is inserted in the key sleeve of power head, drilling rod is inserted in the process of unit head, guarantee the opening direction of sliding ear of arbitrary-movement articulator over against mast, could smoothly the sliding ear of arbitrary-movement articulator be installed on the guide rail of mast behind the mast that fall like this.But because arbitrary-movement articulator is sleeved on the drilling rod by pivoting support, so the support body of arbitrary-movement articulator and sliding ear are rotating with respect to drilling rod, and drilling rod is being inserted in the process of unit head, arbitrary-movement articulator is positioned at the upper end of drilling rod, operating personnel can't make the direction of the sliding ear of arbitrary-movement articulator towards mast manually, can only slowly adjust it with respect to the position of drilling rod with proficiency according to the center of gravity of arbitrary-movement articulator by rule of thumb, by the time sliding ear opening is when mast, the below master winch inserts unit head with drilling rod at once, and then the mast that fell, will slide earclip on the mast guide rail.This mounting method is had relatively high expectations to operating personnel's experience and proficiency, and when running into when wind weather is arranged, the wind-force size all might change the adjustment that also can have influence on the arbitrary-movement articulator center of gravity at any time, so that the parallactic angle degree adjustment that enters of the sliding ear of arbitrary-movement articulator is difficult to control more; In the process of mast of falling after drilling rod is inserted unit head, arbitrary-movement articulator also can be because gravity center shift produces certain swing, if sliding ear is shown the fitting limit of slide rail, behind the mast that fell, is difficult to lift drilling rod by manpower and will slides ear and ajust at all.
Summary of the invention
In view of this, the present invention is intended to propose a kind of rotary drilling rig and arbitrary-movement articulator thereof, drilling rod is being inserted in the process of unit head to solve, and the sliding ear of arbitrary-movement articulator enters relatively hard problem of parallactic angle degree adjustment.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of arbitrary-movement articulator of rotary drilling rig, the pivoting support and the sliding ear that comprise support body and be separately positioned on described support body two ends, the outer ring of described pivoting support is fixedly connected with the drilling rod of rotary drilling rig, the inner ring of described pivoting support is fixed on the described support body, also comprises be used to limiting in relative rotation slew constrained device of described outer ring and described support body.
Further, described outer ring is fixedly connected with described drilling rod by bolt, and described slew constrained device is to be arranged on the described support body and the alternative bolt device that stumbles described bolt.
Further, described bolt device comprises guide rail, latch and lock-screw, described guide rail is fixedly connected on the described support body, described latch slidably is arranged in the described guide rail, one end of described latch optionally is stuck on the described bolt or blocks on described bolt next door, the other end is provided with the through hole corresponding with described lock-screw, and described lock-screw passes described through hole and is screwed onto at least two screws that are located on the described support body one.
Further, described guide rail comprises two platy structures that are parallel to each other that are fixed on the described main body, on described platy structure, be provided with bar hole along its length direction, be provided with the bearing pin that runs through its both sides at described latch, the two ends of described bearing pin are hung on the bar hole of described two platy structures, and are described by sliding in the described guide rail of being engaged in of described bearing pin and described bar hole.
Further, described latch is provided with opening near an end of described bolt, and described openings of sizes is corresponding with the head of described bolt.
Further, described slew constrained device is to be arranged on holding screw device or the band brake apparatus that consists of friction pair on the described support body with the cylindrical of described outer ring.
Further, described holding screw device comprises mount pad and holding screw, described mount pad is the block structure that is fixedly installed on the described support body, be provided with the screw corresponding with described holding screw at described mount pad, described holding screw and described screw are spirally connected and pass on the cylindrical that described screw is against described outer ring.
Further, described slew constrained device is to be arranged on the presser device that consists of friction pair on the described support body with the end face of described outer ring.
Further, described presser device comprises the pressing plate that is hinged on the described support body and is used for driving described pressing plate and is pressed on driving bolt on the described cycle surface.
Further, described pressing plate middle part is hinged on the described support body, one end of described pressing plate rides on the end face of described outer ring, the other end of described pressing plate is connected with described driving bolt, the described support body of described driving bolt-through and lower end are connected on the described pressing plate by the connecting axle of perpendicular connection, the upper end of described driving bolt is connected with nut and is pushed down by the upper cover plate that is located on the described support body, described connecting axle can be along being connected on the described pressing plate that its axis rotates, and described connecting axle axis is parallel with the pivot center of described pressing plate.
Further, the upper end of described driving bolt also is provided with conical surface pad and/or spherical pad.
Further, the below of an end of described pressing plate connection driving bolt is provided with the bottom plate that moves down distance for restriction pressing plate maximum.
Further, one end of described pressing plate is hinged on the described support body, the other end rides on the end face of described outer ring, is provided with the screw corresponding with described driving bolt at described pressing plate middle part, and described driving bolt and described screw are spirally connected and pass described screw and be against on the described support body.
Further, described pressing plate middle part is hinged on the described support body, one end of described pressing plate rides on the end face of described outer ring, the other end of described pressing plate is provided with the screw corresponding with described driving bolt, and the screw of described driving bolt and described pressing plate is spirally connected and passes described screw and is against on the described support body.
On the other hand, the present invention has also offered a kind of rotary drilling rig that is provided with above-mentioned arbitrary-movement articulator.
With respect to prior art, the present invention has following advantage:
(1) arbitrary-movement articulator of the present invention is provided with slew constrained device, can effectively control arbitrary-movement articulator with respect to the revolution degree of freedom of drilling rod, operating personnel are being inserted drilling rod in the process of unit head, just can accurately control the sliding ear of arbitrary-movement articulator by control drilling rod lower end square toes and enter the parallactic angle degree, greatly reduce the adjustment difficulty that the sliding ear of arbitrary-movement articulator enters the parallactic angle degree, reduce the operate miss in the drilling rod disassembly process, improved the dismounting efficient of drilling rod.
(2) the slew constrained device of arbitrary-movement articulator of the present invention, the restriction arbitrary-movement articulator is with respect to the revolution degree of freedom of drilling rod when the assembling drilling rod, when the mast that fell is loaded onto slide rail with the sliding ear of arbitrary-movement articulator, operating personnel stand in get on the bus just can remove slew constrained, do not need other auxiliary equipment, easy to operate.
(3) the slew constrained device of arbitrary-movement articulator of the present invention is simple in structure, and installation and removal are convenient, do not take other spaces, and are easy to implement.
When (4) the slew constrained device of arbitrary-movement articulator of the present invention adopts friction pair restriction arbitrary-movement articulator with respect to the revolution degree of freedom of drilling rod, even operating personnel have improper operation, also can not cause serious damage of components, fault-tolerance is better.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the upward view of the embodiment of the invention one described arbitrary-movement articulator;
Fig. 2 is the front view of the embodiment of the invention one described arbitrary-movement articulator;
Fig. 3 is the partial enlarged drawing A among Fig. 1;
Fig. 4 is the sectional view A-A among Fig. 1;
Fig. 5 is the front view of the embodiment of the invention two described arbitrary-movement articulators;
Fig. 6 is the schematic top plan view of the embodiment of the invention two described arbitrary-movement articulators;
Fig. 7 is the front view of the embodiment of the invention three described arbitrary-movement articulators;
Fig. 8 is the upward view of the embodiment of the invention three described arbitrary-movement articulators;
Fig. 9 is the partial enlarged drawing B among Fig. 7.
Figure 10 is the lateral view of the presser device of the embodiment of the invention three described arbitrary-movement articulators;
Figure 11 is the sectional view B-B among Figure 10;
Figure 12 is the upward view of the presser device of the embodiment of the invention three described arbitrary-movement articulators.
Description of reference numerals:
The 1-support body, 2-pivoting support, 21-inner ring, 22-outer ring, the 221-bolt, the sliding ear of 3-, 4-bolt device, 41-latch, the 42-guide rail, 421-bar hole, 43-bearing pin, 5-drilling rod, 6-holding screw device, 61-mount pad, 62-holding screw, 7-presser device, the 71-pressing plate, 72-drives bolt, 73-upper cover plate, 74-bottom plate, the 75-pin joint, 76-connecting axle, 77-fixed head.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the present invention can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Embodiment one
Fig. 1 to Fig. 4 is the relevant drawings of the present embodiment, as shown in FIG., the present embodiment discloses a kind of arbitrary-movement articulator of rotary drilling rig, pivoting support 2 and sliding ear 3 that this arbitrary-movement articulator comprises support body 1 and is separately positioned on support body 1 two ends, the outer ring 22 of pivoting support 2 is fixedly connected with by bolt 221 with the drilling rod 5 of rotary drilling rig, the inner ring 21 of pivoting support 2 is fixed on the support body 1, also is provided with on support body 1 for limiting in relative rotation slew constrained device of outer ring 22 and support body 1.In the present embodiment, this slew constrained device is the alternative bolt device 4 that stumbles bolt 221, this bolt device 4 comprises guide rail 42, latch 41 and lock-screw, guide rail 42 comprises two platy structures that are parallel to each other that are fixed on the main body, on platy structure, be provided with bar hole 421 along its length direction, be provided with the bearing pin 43 that runs through its both sides at latch 41, the two ends of bearing pin 43 are hung on the bar hole 421 of two platy structures, and latch 41 is engaged in guide rail 42 interior slips by bearing pin 43 and bar hole 421.The cross section structure of latch 41 is various, user's steel work for example, be provided with groove at its front end downside, be used for the head of the described bolt 221 of kayser or block on bolt 221 next doors, rotate with respect to support body 1 with restriction outer ring 22, tail end at latch 41 is provided with the through hole corresponding with lock-screw, and lock-screw passes through hole and is screwed onto in two screws that are located on the support body 1 one, runs helter-skelter in guide rail 42 to prevent latch 41.
When rotary drilling rig need to be installed drilling rod 5, lock-screw is taken off, promote latch 41 with in bolt 221 heads or the gap of adjacent bolt 221 of its kayser on the outer ring 22 of pivoting support 2, then be screwed into lock-screw, prevent that latch 41 from running helter-skelter, and then make arbitrary-movement articulator eliminate the revolution degree of freedom, as shown in Figure 1.After the rotary drilling rig master winch is sling drilling rod 5, operating personnel can control by control drilling rod 5 lower end square toes the direction of arbitrary-movement articulator, thereby that effectively controls the sliding ear 3 of arbitrary-movement articulator enters the parallactic angle degree, when being installed, drilling rod 5 installation processes finish, mast fell, operating personnel will be slided pack into the guide rail of mast of ear 3, and lock-screw taken off, make latch 41 withdraw from latched position along guide rail 42, and then be screwed into lock-screw, recover the revolution degree of freedom of arbitrary-movement articulator, arbitrary-movement articulator instructions for use when satisfying the rotary drilling rig normal operation.
Embodiment two
Fig. 5 and Fig. 6 are the relevant drawings of the present embodiment, compare with embodiment one, the slew constrained device of the described arbitrary-movement articulator of the present embodiment is different, and as shown in FIG., the slew constrained device in the present embodiment is to be arranged on the holding screw device 6 that consists of friction pair on the support body 1 with the cylindrical of outer ring 22.This holding screw device 6 comprises mount pad 61 and holding screw 62, this mount pad 61 is for being fixedly installed on the arc block structure on the support body 1, be provided with the screw corresponding with holding screw 62 at mount pad 61, holding screw 62 is spirally connected with screw and passes on the cylindrical that screw is against outer ring 22.Operating personnel just can lock outer ring 22 and relatively rotate with arbitrary-movement articulator with restriction outer ring 22 by turning this holding screw 62, or the cylindrical that breaks away from outer ring 22 is to remove the revolution restriction to outer ring 22.
The course of work of the described arbitrary-movement articulator of the present embodiment is the same with embodiment's one, does not repeat them here.
As other embodiments of the present embodiment, this holding screw 62 can also be bolt; Holding screw 62 contacts with the point that the cylindrical of outer ring 22 forms also and can contact with the face that the cylindrical of outer ring 22 forms for band-type brake.
Embodiment three
Fig. 7 to Figure 12 is the relevant drawings of the present embodiment, the present embodiment is compared with embodiment one, difference is that slew constrained device is different, and as shown in FIG., the slew constrained device in the present embodiment is to be arranged on the presser device 7 that consists of friction pair on the support body 1 with the upper surface of outer ring 22.This presser device 7 comprises the pressing plate 71 that is hinged on the support body 1 and is used for driving pressing plate 71 and is pressed on driving bolt 72 on 22 end faces of outer ring.
In the present embodiment, the connected mode of pressing plate 71 and driving bolt 72 has three kinds:
One, pressing plate 71 middle parts are hinged on the support body 1 by pin joint 75, one end of pressing plate 71 rides on the end face of outer ring 22, the other end of pressing plate 71 is connected with driving bolt 72, driving bolt 72 runs through support body 1 and the lower end connecting axle 76 by perpendicular connection and is connected on the pressing plate 71, this connecting axle 76 is provided with the multidiameter shape structure of little axle for two ends, this connecting axle 76 can be along being arranged in the rectangular opening corresponding with it on the pressing plate 71 that its axis rotates, also be provided with the fixed head 77 of pushing down this little axle at the two ends of this connecting axle 76, this fixed head 77 is fixed on this pressing plate 71 by screw, and the axis of connecting axle 76 is parallel with pin joint 75 place's pivot centers of pressing plate 71, and therefore this driving bolt 72 can form with this pressing plate by this connecting axle 76 and be rotatably connected.The upper end of driving bolt 72 is connected with nut, conical surface pad and spherical pad and is pushed down by the upper cover plate 73 that is located on the support body 1, and the below that pressing plate 71 connects an end that drives bolts 72 is provided with the bottom plate 74 that moves down distance for restriction pressing plate 71 maximums.
Its two, an end of pressing plate 71 is hinged on the support body 1, the other end rides on the end face of outer ring 22, is provided with the screw corresponding with driving bolt 72 at pressing plate 71 middle parts, drives bolt 72 and is spirally connected and passes screw with screw and be against on the support body 1.
Its three, pressing plate 71 middle parts are hinged on the support body 1, an end of pressing plate 71 rides on the end face of outer ring 22, the other end of pressing plate 71 is provided with the screw corresponding with driving bolt 72, drives bolt 72 and is spirally connected and passes screw with screw and be against on the support body 1.
Above three kinds of connected modes can be by turning bolt, makes pressing plate 71 be pressed on the end face of outer ring 22 or leave the end face of outer ring 22, thereby realize the revolution degree of freedom of restriction outer ring 22 and support body 1 or lift restrictions.
The course of work of the described arbitrary-movement articulator of the present embodiment is the same with embodiment's one, also repeats no more at this.
Except the arbitrary-movement articulator of above-mentioned rotary drilling rig, the present invention also provides a kind of rotary drilling rig that is provided with the arbitrary-movement articulator of above-mentioned rotary drilling rig, and the structure of other each several part of this rotary drilling rig is with reference to prior art, and this paper repeats no more.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the arbitrary-movement articulator of a rotary drilling rig, the pivoting support (2) and the sliding ear (3) that comprise support body (1) and be separately positioned on described support body (1) two ends, the outer ring (22) of described pivoting support (2) is fixedly connected with the drilling rod (5) of rotary drilling rig, the inner ring (21) of described pivoting support (2) is fixed on the described support body (1), it is characterized in that, also comprise be used to limiting in relative rotation slew constrained device of described outer ring (22) and described support body (1).
2. the arbitrary-movement articulator of rotary drilling rig according to claim 1, it is characterized in that, described outer ring (22) is fixedly connected with described drilling rod (5) by bolt (221), and described slew constrained device is for being arranged on the described support body (1) and alternative stumbles the bolt device (4) of described bolt (221).
3. the arbitrary-movement articulator of rotary drilling rig according to claim 2, it is characterized in that, described bolt device (4) comprises guide rail (42), latch (41) and lock-screw, described guide rail (42) is fixedly connected on the described support body (1), described latch (41) is slidably disposed in the described guide rail (42), one end of described latch (41) optionally is stuck in described bolt (221) upward or blocks on described bolt (221) next door, the other end is provided with the through hole corresponding with described lock-screw, and described lock-screw passes described through hole and is screwed onto at least two screws that are located on the described support body (1) one.
4. the arbitrary-movement articulator of rotary drilling rig according to claim 3, it is characterized in that, described guide rail (42) comprises two platy structures that are parallel to each other that are fixed on the described main body, on described platy structure, be provided with bar hole (421) along its length direction, be provided with the bearing pin (43) that runs through its both sides at described latch (41), the two ends of described bearing pin (43) are hung on the bar hole (421) of described two platy structures, and are described by be engaged in described guide rail (42) in the slip of described bearing pin (43) with described bar hole (421).
5. the arbitrary-movement articulator of rotary drilling rig according to claim 4 is characterized in that, described latch (41) is provided with opening near an end of described bolt (221), and described opening is corresponding with the head of described bolt (221).
6. the arbitrary-movement articulator of rotary drilling rig according to claim 1 is characterized in that, described slew constrained device is for being arranged on holding screw device (6) or the band brake apparatus that consists of friction pair on the described support body (1) with the cylindrical of described outer ring (22).
7. the arbitrary-movement articulator of rotary drilling rig according to claim 6, it is characterized in that, described holding screw device (6) comprises mount pad (61) and holding screw (62), described mount pad (61) is for being fixedly installed on the block structure on the described support body (1), be provided with the screw corresponding with described holding screw (62) at described mount pad (61), described holding screw (62) and described screw are spirally connected and pass on the cylindrical that described screw is against described outer ring (22).
8. the arbitrary-movement articulator of rotary drilling rig according to claim 1 is characterized in that, described slew constrained device is for being arranged on the presser device (7) that consists of friction pair on the described support body (1) with the end face of described outer ring (22).
9. the arbitrary-movement articulator of rotary drilling rig according to claim 8, it is characterized in that, described presser device (7) comprises the pressing plate (71) that is hinged on the described support body (1) and is used for driving described pressing plate (71) and is pressed on driving bolt (72) on the end face of described outer ring (22).
10. the arbitrary-movement articulator of rotary drilling rig according to claim 9, it is characterized in that, described pressing plate (71) middle part is hinged on the described support body (1), one end of described pressing plate (71) rides on the end face of described outer ring (22), the other end of described pressing plate (71) is connected with described driving bolt (72), described driving bolt (72) runs through described support body (1) and the lower end connecting axle (76) by perpendicular connection and is connected on the described pressing plate (71), the upper end of described driving bolt (72) is connected with nut and is pushed down by the upper cover plate (73) that is located on the described support body (1), described connecting axle (76) can be along being connected on the described pressing plate (71) that its axis rotates, and described connecting axle (76) axis is parallel with the pivot center of described pressing plate (71).
11. the arbitrary-movement articulator of rotary drilling rig according to claim 10 is characterized in that, the upper end of described driving bolt (72) also is provided with conical surface pad and/or spherical pad.
12. according to claim 10 or the arbitrary-movement articulator of 11 described rotary drilling rigs, it is characterized in that, the below that described pressing plate (71) connects an end that drives bolt (72) is provided with the bottom plate (74) that moves down distance for restriction pressing plate (71) maximum.
13. the arbitrary-movement articulator of rotary drilling rig according to claim 9, it is characterized in that, one end of described pressing plate (71) is hinged on the described support body (1), the other end rides on the end face of described outer ring (22), be provided with the screw corresponding with described driving bolt (72) at described pressing plate (71) middle part, described driving bolt (72) is spirally connected and passes described screw with described screw and is against on the described support body (1).
14. the arbitrary-movement articulator of rotary drilling rig according to claim 9, it is characterized in that, described pressing plate (71) middle part is hinged on the described support body (1), one end of described pressing plate (71) rides on the end face of described outer ring (22), the other end of described pressing plate (71) is provided with the screw corresponding with described driving bolt (72), and the screw of described driving bolt (72) and described pressing plate (71) is spirally connected and passes described screw and is against on the described support body (1).
15. a rotary drilling rig is characterized in that described rotary drilling rig is provided with the arbitrary-movement articulator such as the described rotary drilling rig of claim 1 to 15 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583894.2A CN103075109B (en) | 2013-03-13 | 2013-03-13 | Rotary drilling rig and follow-up rack thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583894.2A CN103075109B (en) | 2013-03-13 | 2013-03-13 | Rotary drilling rig and follow-up rack thereof |
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| Publication Number | Publication Date |
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| CN103075109A true CN103075109A (en) | 2013-05-01 |
| CN103075109B CN103075109B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210583894.2A Active CN103075109B (en) | 2013-03-13 | 2013-03-13 | Rotary drilling rig and follow-up rack thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103527121A (en) * | 2013-09-30 | 2014-01-22 | 北京市三一重机有限公司 | Follow-up frame of rotary drill rig and rotary drill rig |
| CN103696701A (en) * | 2013-12-12 | 2014-04-02 | 北京市三一重机有限公司 | Slide lug, supporting frame, following frame and rotary drilling rig |
| CN103790512A (en) * | 2014-02-28 | 2014-05-14 | 北京南车时代机车车辆机械有限公司 | Rotary drilling rig and power head device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527121A (en) * | 2013-09-30 | 2014-01-22 | 北京市三一重机有限公司 | Follow-up frame of rotary drill rig and rotary drill rig |
| CN103527121B (en) * | 2013-09-30 | 2015-10-28 | 北京市三一重机有限公司 | Rotary drilling rig arbitrary-movement articulator and rotary drilling rig |
| CN103696701A (en) * | 2013-12-12 | 2014-04-02 | 北京市三一重机有限公司 | Slide lug, supporting frame, following frame and rotary drilling rig |
| CN103790512A (en) * | 2014-02-28 | 2014-05-14 | 北京南车时代机车车辆机械有限公司 | Rotary drilling rig and power head device thereof |
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| Publication number | Publication date |
|---|---|
| CN103075109B (en) | 2014-11-19 |
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