CN116717195A - Portal type mechanical pipe grabbing and arranging device for land drilling machine - Google Patents
Portal type mechanical pipe grabbing and arranging device for land drilling machine Download PDFInfo
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- CN116717195A CN116717195A CN202310503218.8A CN202310503218A CN116717195A CN 116717195 A CN116717195 A CN 116717195A CN 202310503218 A CN202310503218 A CN 202310503218A CN 116717195 A CN116717195 A CN 116717195A
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- assembly
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- trolley
- driver
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 241000282693 Cercopithecidae Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
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- 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 relates to a portal frame type mechanical pipe grabbing and arranging device for a land drilling machine, which comprises a portal frame track assembly and a manipulator assembly, wherein the portal frame track assembly is arranged on the ground; the gantry rail assembly can be movably supported on a racking platform of the derrick, and the manipulator assembly is movably arranged on the gantry rail and is positioned above the racking platform; the movable direction of the portal frame assembly is perpendicular to the movable direction of the manipulator assembly. The automatic pipe grabbing and discharging device has the beneficial effects that the portal frame track assembly is matched with the manipulator assembly to grab and discharge pipe tools and finish pipe tool handover with equipment at the wellhead position, the whole operation process is free of manual assistance, the mechanization degree is high, potential safety hazards existing in manual operation are eliminated, and the safety and the operation efficiency are greatly improved.
Description
Technical Field
The invention relates to the technical field of petroleum drilling, in particular to a portal type mechanical pipe grabbing and arranging device for a land drilling machine.
Background
The derrick is used for placing tools such as crown blocks, hanging traveling blocks, hooks, hanging rings, hanging clips and the like, and devices for lifting and lowering, storing drill rods, oil pipes and sucker rods in the drilling process of the land drilling machine. The derrick consists of a main body, a crown block frame, a racking platform, a vertical pipe platform and a working ladder. The racking platform is a workplace for a derrick worker to carry out tripping operation and comprises a monkey platform for the derrick worker to work and a fingerboard library for storing drilling tools.
During oil drilling, a drill tool about 28 meters long is vertically stacked in a sequence between a racking platform 24 meters to 26 meters above the surface and a setback box at the drilling floor. Every time the tripping or tripping operation is completed, the drilling tools are required to be sequentially taken out or stored from the fingerboard library of the racking platform. At present, most drilling platforms finish tripping operation by workers, so that the labor intensity is high and the efficiency is low. In addition, a plurality of potential safety hazards exist in the operation process, such as severe weather like heavy wind, rain, snow and the like, the icing danger coefficient of the racking platform in cold seasons is greatly improved, and serious safety accidents and huge economic losses can be caused by carelessness.
Therefore, a portal type mechanical pipe grabbing and arranging device for a land drilling machine with high working efficiency and high safety is needed.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned shortcomings and disadvantages of the prior art, the present invention provides a gantry type mechanical pipe grabbing and arranging device for a land drilling machine, which solves the technical problems of low working efficiency and low safety in the prior art.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the invention provides a portal frame type mechanical pipe grabbing and arranging device for a land drilling machine. The portal frame track assembly can be movably supported on a racking platform of the derrick, and the manipulator assembly is movably installed on the portal frame track and is positioned above the racking platform. The movable direction of the portal frame assembly is perpendicular to the movable direction of the manipulator assembly.
Optionally, the two layers of platforms are provided with guide rails extending along the front-back direction, and the guide rails are provided with first racks extending along the front-back direction. The portal frame track assembly comprises a portal frame track main body, a first roller assembly and a track driver. The portal frame track main body is supported by the guide rail through the first roller assembly, the track driver is installed on the portal frame track main body, and the track driver is meshed with the first rack through a first gear so as to drive the portal frame track main body to move back and forth along the guide rail.
Optionally, the manipulator assembly includes a trolley assembly, a telescopic arm assembly, and a clamp assembly. The trolley assembly is movably arranged on the portal frame track assembly, the telescopic arm assembly is arranged on the trolley assembly in a vertical sliding mode, and the clamp assembly is arranged on the telescopic arm assembly.
Optionally, a second rack extending in the left-right direction is arranged on the portal frame track main body. The trolley assembly comprises a trolley main body, a second roller assembly, a trolley driver, a rotary driving mechanism and a lifting mechanism. The trolley main body is supported by the portal frame track main body through the second roller assembly, the trolley driver is installed on the trolley main body, the trolley driver is meshed with the second rack through a second gear, so as to drive the trolley main body to move along the portal frame track main body, the lifting mechanism is installed at the bottom of the trolley main body through rotation driving, and the telescopic arm assembly is installed on the lifting mechanism in a vertically sliding mode.
Optionally, the lifting mechanism comprises a lifting column and a lifting driver. The lifting stand column is arranged at the bottom of the trolley main body through the rotation driving, the telescopic arm assembly is arranged on the lifting stand column in a vertical sliding mode, the lifting driver is arranged on the lifting stand column, and the lifting driver is connected with the telescopic arm assembly to drive the telescopic arm assembly to slide up and down along the lifting stand column.
Optionally, the telescopic arm assembly includes a support arm, a connection arm, and a telescopic drive. The support arm can install in the lift stand with sliding from top to bottom, the first end of linking arm rotationally install in the support arm, the second end of linking arm rotationally connects the clamp assembly, flexible driver install in the support arm, flexible driver's drive end rotationally connect in the linking arm, in order to drive the linking arm rotates in vertical plane, realizes stretching and folding effect.
Optionally, the connecting arms include a first connecting arm and a second connecting arm arranged in parallel.
Optionally, a rail extending along the up-down direction is provided on the lifting upright, and the support arm is connected to the rail through a third roller assembly.
Optionally, the clamp assembly includes a connector and a clamp mechanism. The second end of the connecting arm is rotatably connected to the connecting member, and the clamping mechanism is mounted to the connecting member.
(III) beneficial effects
The beneficial effects of the invention are as follows:
the portal frame type mechanical pipe grabbing and arranging device for the land drilling machine can drive the manipulator assembly to move back and forth through the portal frame track assembly, the manipulator assembly can move left and right along the portal frame track assembly, the pipe fixture can be clamped through the manipulator assembly, and the drilling tool can be driven to lift, rotate and move, so that the drilling tool can be transferred to a wellhead position from a storage position in a fingerboard warehouse, and can be connected with equipment at the wellhead position, or the drilling tool at the wellhead position can be clamped and transferred to the storage position in the fingerboard warehouse. Compared with the prior art, the pipe fitting is grabbed and discharged through the portal frame track assembly and the manipulator assembly, and the pipe fitting is connected with equipment at the position of the wellhead, so that manual assistance is not needed in the whole operation process, the degree of mechanization is high, potential safety hazards existing in manual operation are eliminated, and the safety and the operation efficiency are greatly improved.
Drawings
FIG. 1 is a schematic view of a mast mounted derrick of a gantry type mechanical pipe grabbing and arranging device for a land rig in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a gantry type mechanical pipe grabbing and arranging device for a land rig according to an embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2;
fig. 5 is an enlarged view at C in fig. 2;
FIG. 6 is a schematic diagram of a gantry track assembly in accordance with an embodiment of the present invention;
FIG. 7 is a front view of a portal type mechanical pipe grabbing and arranging device for a land rig in an embodiment of the present invention;
fig. 8 is a side view of a portal type mechanical pipe grabbing and arranging device for a land rig in an embodiment of the present invention.
[ reference numerals description ]
1: a gantry rail assembly; 11: a gantry rail body; 12: a first roller assembly;
2: a manipulator assembly; 21: a trolley assembly; 211: a trolley body; 212: a second roller assembly; 213: a cart driver; 214: driving in a rotary manner; 215: lifting the upright post; 216: a lifting driver; 22: a telescopic arm assembly; 221: a support arm; 222: a connecting arm; 223: a telescopic drive; 224: a first connecting arm; 225: a second connecting arm; 226: a third roller assembly; 23: a clamp assembly; 231: a connecting piece; 232: a clamping mechanism;
3: a derrick;
4: a racking platform; 41: and a guide rail.
Detailed Description
In order that the above-described aspects may be better understood, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. The "up", "down", "left", "right", "front", "rear" orientations described herein are referenced to the orientation of fig. 2.
As shown in fig. 1-8, the specific embodiment of the invention provides a portal frame type mechanical pipe grabbing and arranging device for a land drilling machine, which comprises a portal frame track assembly 1 and a manipulator assembly 2. The gantry rail assembly 1 can be movably supported on a racking platform 4 of the derrick 3, and the manipulator assembly 2 is movably mounted on the gantry rail and is positioned above the racking platform 4. The movable direction of the portal frame assembly is perpendicular to the movable direction of the manipulator assembly 2.
Specifically, the manipulator assembly 2 can be driven to move back and forth through the portal frame track assembly 1, the manipulator assembly 2 can move left and right along the portal frame track assembly 1, the pipe tool can be clamped through the manipulator assembly 2, and the drilling tool can be driven to lift, rotate and move so as to transfer the drilling tool from a storage position in the fingerboard to a wellhead position and to carry out pipe tool handover with equipment at the wellhead position, or the drilling tool at the wellhead position is clamped and transferred to the storage position in the fingerboard. Compared with the prior art, the pipe fitting is grabbed and discharged through the portal frame track assembly 1 matched with the manipulator assembly 2, and the pipe fitting is connected with equipment at the position of a wellhead, so that the whole operation process is free of manual assistance, the degree of mechanization is high, the potential safety hazard existing in manual operation is eliminated, and the safety and the operation efficiency are greatly improved.
Further, as shown in fig. 2, 3 and 7, the racking platform 4 is provided with a guide rail 41 extending in the front-rear direction, and the guide rail 41 is provided with a first rack (not shown) extending in the front-rear direction. The gantry rail assembly 1 includes a gantry rail body 11, a first roller assembly 12, and a rail driver (not shown). The gantry rail main body 11 is supported on the guide rail 41 through the first roller assembly 12, and a rail driver is mounted on the gantry rail main body 11 and is engaged with the first rack through a first gear to drive the gantry rail main body 11 to move back and forth along the guide rail 41.
Further, as shown in fig. 2, 5 and 8, the robot assembly 2 includes a trolley assembly 21, a telescopic arm assembly 22 and a clamp assembly 23. The trolley assembly 21 is movably mounted on the gantry rail assembly 1, the telescopic arm assembly 22 is slidably mounted on the trolley assembly 21 up and down, the clamp assembly 23 is mounted on the telescopic arm assembly 22, and specifically, the gantry rail main body 11 is provided with a second rack extending in the left-right direction. The dolly assembly 21 includes a dolly main body 211, a second roller assembly 212, a dolly driver 213, a swing drive 214, and a lifting mechanism. The trolley main body 211 is supported on the portal frame track main body 11 through a second roller assembly 212, the trolley driver 213 is mounted on the trolley main body 211, the trolley driver 213 is meshed with a second rack through a second gear to drive the trolley main body 211 to move along the portal frame track main body 11, the lifting mechanism is mounted on the bottom of the trolley main body 211 through a rotary drive 214, and the telescopic arm assembly 22 is mounted on the lifting mechanism in a vertically sliding manner. In this particular embodiment, the lift mechanism includes a lift post 215 and a lift driver 216. The lifting column 215 is installed at the bottom of the trolley main body 211 through a rotary drive 214, the telescopic arm assembly 22 is installed on the lifting column 215 in a vertically sliding manner, the lifting drive 216 is installed on the lifting column 215, and the lifting drive 216 is connected to the telescopic arm assembly 22 so as to drive the telescopic arm assembly 22 to slide up and down along the lifting column 215.
Further, as shown in fig. 2 and 8, the telescopic arm assembly 22 includes a support arm 221, a connection arm 222, and a telescopic drive 223. The supporting arm 221 is slidably installed on the lifting stand 215 up and down, specifically, a track extending along the up and down direction is provided on the lifting stand 215, the supporting arm 221 is connected to the track through the third roller assembly 226, the first end of the connecting arm 222 is rotatably installed on the supporting arm 221, the second end of the connecting arm 222 is rotatably connected to the clamp assembly 23, the telescopic driver 223 is installed on the supporting arm 221, and the driving end of the telescopic driver 223 is rotatably connected to the connecting arm 222, so as to drive the connecting arm 222 to rotate in the vertical plane, and achieve the stretching and folding effects. In this embodiment, the connecting arm 222 includes a first connecting arm 224 and a second connecting arm 225 arranged in parallel.
Further, as shown in fig. 8, the clamp assembly 23 includes a connector 231 and a clamp mechanism 232. The clamping mechanism 232 is rotatably coupled to the telescoping arm assembly 22 by a link 231 with its axis of rotation oriented transversely. Specifically, the clamping mechanism 232 is capable of clamping the pipe tool, the connecting member 231 is rotatably connected to the second end of the first connecting arm 224 and the second end of the second connecting arm 225, and the inclination of the connection point of the first connecting arm 224 and the second connecting arm 225 on the connecting member 231 is matched with the inclination of the connection point of the first connecting arm 224 and the second connecting arm 225 on the supporting arm 221. Thereby, on the one hand, the clamp assembly 23 is kept horizontal and, on the other hand, the first connecting arm 224 and the second connecting arm 225 are kept parallel.
The portal type mechanical pipe grabbing and arranging device for the land drilling machine provided by the embodiment has the working condition that pipe tools are required to be clamped from a fingerboard library of the racking platform 4 in sequence during the drilling operation. According to the storage position of the target pipe in the fingerboard warehouse, the gantry track assembly 1 drives the clamp assembly 23 to adjust the front-rear direction position along the guide rail 41 through the trolley assembly 21 and the telescopic arm assembly 22, the trolley assembly 21 drives the clamp assembly 23 to rotate by an adjusting angle and the left-right direction position, the clamp mechanism 232 of the clamp assembly 23 can aim at the target pipe, the telescopic arm assembly 22 drives the target pipe to move to the storage position, the lifting mechanism of the trolley assembly 21 drives the clamp assembly 23 to adjust the height according to the joint height of the target pipe, the clamp mechanism 232 can accurately clamp the lower part of the joint of the target pipe, the lifting mechanism of the trolley assembly 21 drives the clamp assembly 23 to lift the target pipe, the telescopic arm assembly 22, the trolley assembly 21 and the gantry track assembly 1 transfer the target pipe from the storage position to the front position of the two-layer platform 4, the lifting mechanism lowers the target pipe to the wellhead position, and the clamp assembly 23 carries out subsequent operation on the other mechanical hand-off assembly 2 after the clamp mechanism 232 clamps the target pipe.
During the drilling, the clamp assembly 23 is driven to move from the standby position to the front position of the racking platform 4 through the portal frame track assembly 1, the trolley assembly 21 and the telescopic arm assembly 22, the clamp assembly 23 is driven to descend to the wellhead position through the lifting mechanism, the clamp assembly 23 clamps the target pipe, and the lifting mechanism drives the clamp assembly 23 to ascend to lift and transfer the target pipe to the front position of the racking platform 4. According to the storage position of the target pipe in the fingerboard warehouse, the target pipe is transferred to the storage position from the front position of the monkey table through the portal frame track assembly 1, the trolley assembly 21 and the telescopic arm assembly 22, the target pipe is lowered through the lifting mechanism, the target pipe is supported at the storage position, the target pipe is released through the clamp assembly 23, and then the process is repeated to discharge the next target pipe.
When in standby, the portal frame rail assembly 1 moves backward to the tail end along the guide rail 41, the trolley assembly 21 moves to the middle position along the portal frame rail main body 11, the telescopic arm assembly 22 is in a folded state, and the lifting mechanism drives the telescopic arm assembly 22 to rise to the highest position.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the invention.
Claims (9)
1. A portal type mechanical pipe grabbing and arranging device for a land drilling machine is characterized in that,
comprises a portal frame track assembly (1) and a manipulator assembly (2);
the portal frame track assembly (1) can be movably supported on a racking platform (4) of the derrick (3), and the manipulator assembly (2) is movably arranged on the portal frame track and is positioned above the racking platform (4);
the movable direction of the portal frame assembly is vertical to the movable direction of the manipulator assembly (2).
2. A portal type mechanical pipe grabbing and arranging device for a land rig as claimed in claim 1, wherein,
a guide rail (41) extending in the front-rear direction is arranged on the racking platform (4), and a first rack extending in the front-rear direction is arranged on the guide rail (41);
the portal frame track assembly (1) comprises a portal frame track main body (11), a first roller assembly (12) and a track driver;
the portal frame track main body (11) is supported by the guide rail (41) through the first roller assembly (12), the track driver is installed on the portal frame track main body (11), and the track driver is meshed with the first rack through a first gear so as to drive the portal frame track main body (11) to move back and forth along the guide rail (41).
3. A portal type mechanical pipe grabbing and arranging device for a land rig as claimed in claim 2, wherein,
the manipulator assembly (2) comprises a trolley assembly (21), a telescopic arm assembly (22) and a clamp assembly (23);
the trolley assembly (21) is movably mounted on the portal frame track assembly (1), the telescopic arm assembly (22) is mounted on the trolley assembly (21) in a vertically sliding mode, and the clamp assembly (23) is mounted on the telescopic arm assembly (22).
4. A portal type mechanical pipe grabbing and arranging device for a land rig as claimed in claim 3 and further comprising a pipe grabbing device,
the portal frame track main body (11) is provided with a second rack extending along the left-right direction;
the trolley assembly (21) comprises a trolley main body (211), a second roller assembly (212), a trolley driver (213), a rotary driver (214) and a lifting mechanism;
the trolley main body (211) is supported by the second roller assembly (212) on the portal frame track main body (11), the trolley driver (213) is installed on the trolley main body (211), the trolley driver (213) is meshed with the second rack through a second gear to drive the trolley main body (211) to move along the portal frame track main body (11), the lifting mechanism is installed on the bottom of the trolley main body (211) through the rotary drive (214), and the telescopic arm assembly (22) is installed on the lifting mechanism in a vertically sliding mode.
5. The portal frame type mechanical pipe grabbing and arranging device for the land drilling rig according to claim 4, wherein,
the lifting mechanism comprises a lifting upright (215) and a lifting driver (216);
the lifting column (215) is mounted at the bottom of the trolley main body (211) through the rotary drive (214), the telescopic arm assembly (22) is mounted on the lifting column (215) in a vertically sliding mode, the lifting drive (216) is mounted on the lifting column (215), and the lifting drive (216) is connected with the telescopic arm assembly (22) so as to drive the telescopic arm assembly (22) to slide up and down along the lifting column (215).
6. The portal frame type mechanical pipe grabbing and arranging device for the land drilling rig according to claim 5, wherein,
the telescopic arm assembly (22) comprises a supporting arm (221), a connecting arm (222) and a telescopic driver (223);
the support arm (221) can be installed in the lift stand (215) in a vertical sliding mode, the first end of the connecting arm (222) is rotatably installed in the support arm (221), the second end of the connecting arm (222) is rotatably connected with the clamp assembly (23), the telescopic driver (223) is installed in the support arm (221), and the driving end of the telescopic driver (223) is rotatably connected with the connecting arm (222) so as to drive the connecting arm (222) to rotate in a vertical plane, so that the stretching and folding effects are achieved.
7. The portal frame type mechanical pipe grabbing and arranging device for the land drilling rig according to claim 6, wherein,
the connecting arm (222) comprises a first connecting arm (224) and a second connecting arm (225) arranged in parallel.
8. The portal frame type mechanical pipe grabbing and arranging device for the land drilling rig according to claim 6, wherein,
the lifting upright post (215) is provided with a track extending along the up-down direction, and the supporting arm (221) is connected to the track through a third roller assembly (226).
9. The portal frame type mechanical pipe grabbing and arranging device for the land drilling rig according to claim 6, wherein,
the clamp assembly (23) comprises a connecting piece (231) and a clamp mechanism (232);
the second end of the connecting arm (222) is rotatably connected to the connecting member (231), and the clamping mechanism (232) is mounted to the connecting member (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310503218.8A CN116717195A (en) | 2023-05-06 | 2023-05-06 | Portal type mechanical pipe grabbing and arranging device for land drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310503218.8A CN116717195A (en) | 2023-05-06 | 2023-05-06 | Portal type mechanical pipe grabbing and arranging device for land drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116717195A true CN116717195A (en) | 2023-09-08 |
Family
ID=87870461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310503218.8A Pending CN116717195A (en) | 2023-05-06 | 2023-05-06 | Portal type mechanical pipe grabbing and arranging device for land drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116717195A (en) |
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2023
- 2023-05-06 CN CN202310503218.8A patent/CN116717195A/en active Pending
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