CN216477183U - Expansion bracket and drilling derrick - Google Patents
Expansion bracket and drilling derrick Download PDFInfo
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- CN216477183U CN216477183U CN202123381841.6U CN202123381841U CN216477183U CN 216477183 U CN216477183 U CN 216477183U CN 202123381841 U CN202123381841 U CN 202123381841U CN 216477183 U CN216477183 U CN 216477183U
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Abstract
The utility model provides a telescopic frame, which comprises a sliding frame, a locking device, a lifting driving component and a top driving sliding frame; the sliding frame is connected to the frame body in a vertically sliding manner; the locking device is used for locking the position of the sliding frame; the lifting driving assembly is arranged on the frame body; the balladeur train is driven on the top with the lift drive assembly is connected, the balladeur train is driven on the top be used for lifting under the drive of lift drive assembly the carriage, and can the support body with when the carriage is fixed relatively, along with lift drive assembly's action is kept away from the carriage, the integrated connection structure who is used for being connected with the pressurization drilling subassembly that has on the balladeur train is driven on the top. Compared with the prior art, the telescopic frame provided by the utility model avoids the arrangement of a lifting mechanism and a pressurizing drilling driving mechanism on the frame body independently, and simplifies the structure of the telescopic frame; the telescopic frame has simple structure, and the sliding frame can be retracted into the frame body, thereby being convenient for transportation, loading and unloading.
Description
Technical Field
The utility model belongs to rig derrick field, concretely relates to expansion bracket and rig derrick.
Background
The derrick is used for placing a crown block, hanging tools such as a traveling block, a hook, a lifting ring, an elevator and the like and a device for taking off and storing a drill rod in the drilling and workover operation process; the derrick consists of a derrick body, a crown block platform, a racking platform, a working ladder and a riser platform.
At present, the field of internal vehicle-mounted and skid-mounted drilling rigs is equipped with a telescopic derrick, the overall structure is complex, the disassembly is complex, the maintenance difficulty is higher, the use cost is increased, the transportation is inconvenient, a lifting device is required to be equipped for supporting a sliding frame, a lifting structure is required to be additionally arranged for pressurizing and drilling, the working conditions of drilling operation and drilling are long in time consumption, and the efficiency is lower.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a telescopic bracket and drilling derrick aims at simplifying the structure of telescopic bracket, conveniently transports, realizes the high-efficient utilization of lift drive structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
provided is an expansion bracket including:
a frame body;
the sliding frame is connected to the frame body in a vertically sliding manner;
the locking device is used for locking the position of the sliding frame after the sliding frame moves to a specified height; the lifting driving assembly is arranged on the frame body; and
the balladeur train is driven on top, with the lift drive subassembly is connected, the balladeur train is driven on top be used for lift under the drive of lift drive subassembly the carriage, and can the support body with when the carriage is fixed relatively, along with lift drive subassembly's action is kept away from the carriage, the integrated connection structure who is used for being connected with the pressurization drilling subassembly that has on the balladeur train is driven on top.
With reference to the first aspect, in one possible implementation manner, the lifting drive assembly includes:
a telescopic driver having a telescopic end;
the second pulley mechanism is fixed at the telescopic end;
the second lifting rope is provided with a second fixed end fixed with the frame body and a second lifting end opposite to the second fixed end, and is wound on the second pulley mechanism from the upper part of the second pulley mechanism and connected with the top drive sliding frame;
the first pulley mechanism is positioned below the second pulley mechanism and is fixed on the second pulley mechanism;
the first lifting rope is provided with a first fixed end fixed with the frame body and a first lifting end opposite to the first fixed end, and is wound on the first pulley mechanism from the lower part of the second pulley mechanism and connected with the top drive sliding frame;
wherein the first fixed end is higher than the second fixed end.
With reference to the first aspect, in a possible implementation manner, the frame body is provided with a guide rail arranged along a vertical direction;
the first pulley mechanism is also provided with a first sliding part in sliding fit with the guide rail;
the second pulley mechanism is also provided with a second sliding part in sliding fit with the guide rail.
With reference to the first aspect, in one possible implementation manner, the first pulley mechanism includes:
the lifting plate is fixedly connected to the second pulley mechanism; and
the lifting plate comprises a plurality of guide wheel sets, the guide wheel sets are arranged on the lower portion of the lifting plate along a first horizontal direction, and the first lifting rope sequentially bypasses the guide wheel sets.
With reference to the first aspect, in one possible implementation manner, the sliding frame is slidably disposed through the frame body.
With reference to the first aspect, in a possible implementation manner, the locking device includes a lock pin, a passage through which the lock pin passes is provided on the frame body, and the sliding frame is provided with a lock hole aligned with the passage.
Compared with the prior art, the utility model provides a telescopic frame, drive the balladeur train through the top and lift the carriage, rise to the back of targetting in place the carriage locking, the carriage can be separated with the carriage to the top drive afterwards, set up on the carriage and can be used for the connection structure who creeps into the subassembly with the pressurization, after the carriage is driven on the top and breaks away from the carriage, can drive the removal of balladeur train through the top and realize the pressurization and creep into, avoid setting up elevating system and pressurization and creep into actuating mechanism on the support body alone, simplify the structure of telescopic frame then; the telescopic frame has simple structure, and the sliding frame can be retracted into the frame body, thereby being convenient for transportation, loading and unloading.
In a second aspect, there is provided a drilling rig mast comprising:
a base having an operating platform;
a frame body; the base is rotatably connected with the base;
the sliding frame is connected to the frame body in a vertically sliding manner;
the locking device is used for locking the position of the sliding frame after the sliding frame moves to a specified height;
the lifting driving assembly is arranged on the frame body;
the top driving sliding frame is connected with the lifting driving assembly, is used for lifting the sliding frame under the driving of the lifting driving assembly and can be far away from the sliding frame along with the action of the lifting driving assembly when the frame body and the sliding frame are relatively fixed, and a connecting structure used for being connected with the pressurizing drilling assembly is integrated on the top driving sliding frame;
the overhead traveling crane platform is connected to the top end of the sliding frame;
the racking platform is connected with the sliding frame; and
the working ladder is arranged on the frame body and the sliding frame.
With reference to the second aspect, in a possible implementation manner, the frame body and the sliding frame both face one side opening of the operating platform, and the top drive sliding frame is located at the opening side of the frame body and the sliding frame.
With reference to the second aspect, in a possible implementation manner, the portion of the working ladder located on the sliding frame is arranged on the outer side of the sliding frame, and a space for accommodating the working ladder is formed on the outer side of the sliding frame;
the part of the working ladder positioned on the frame body is arranged on the outer side of the frame body.
With reference to the second aspect, in one possible implementation manner, one end of the racking platform is rotatably connected with the sliding frame, and the other end of the racking platform is connected with the sliding frame through a rope
Compared with the prior art, the drilling derrick provided by the application has the advantages that the telescopic frame and the racking platform are combined to accelerate the working efficiency of the drilling derrick, the sliding frame is lifted through the top drive sliding frame, the sliding frame is locked after the sliding frame is lifted to a proper position, then the top drive sliding frame can be separated from the sliding frame, the top drive sliding frame is provided with the connecting structure which can be used for being connected with the pressurized drilling assembly, pressurized drilling can be realized through the movement of the top drive sliding frame after the top drive sliding frame is separated from the sliding frame, the independent arrangement of the lifting mechanism and the pressurized drilling driving mechanism on the frame body is avoided, and then the structure of the telescopic frame is simplified; the telescopic frame has simple structure, and the sliding frame can be retracted into the frame body, thereby being convenient for transportation, loading and unloading; the top drive sliding frame rises along with the lifting drive assembly, is far away from a well mouth, is convenient to perform the work of pressurized drilling of the drilling machine, and accelerates the drilling efficiency.
Drawings
Fig. 1 is a schematic view of an expansion bracket according to an embodiment of the present invention in an expanded state;
fig. 2 is a left side view structural schematic diagram of the expansion bracket according to the embodiment of the present invention;
fig. 3 is a schematic front view of a lifting device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a limiting device adopted in the embodiment of the present invention;
fig. 5 is a schematic view of a transportation state of a derrick of a drilling rig according to an embodiment of the present invention.
Description of reference numerals:
10. a frame body; 110. a guide rail; 120. a channel;
20. a carriage; 210. a lock hole;
30. a top drive carriage;
40. a lift drive assembly; 400. a telescopic driver; 401. a telescopic end; 410. a first lift cord; 411. a first fixed end; 412. a first lifting end; 420. a first pulley mechanism; 421. a first slider; 422. a lifting plate; 423. a guide wheel group; 430. a second lift cord; 431. a second fixed end; 432. a second lifting end; 440. a second pulley mechanism; 441. a second slider; 442. a third guide wheel set; 450. a top drive carriage; 460. a connecting rod;
50. a locking device; 510. a lock pin;
2. a crown block;
3. a base; 31. a lifting oil cylinder; 32. an operating platform;
4. a racking platform; 41. a rope; 42. a railing;
5. a working ladder.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the telescopic frame of the present invention will now be described. The telescopic frame comprises a frame body 10, a sliding frame 20, a lifting driving assembly 40, a top driving sliding frame 30 and a locking device 50. The sliding frame 20 is connected to the frame body 10 in a sliding manner up and down; a locking device 50 for locking the position of the carriage 20 after the carriage 20 is moved to a designated height; the lifting driving assembly 40 is arranged on the frame body 10; the top drive sliding frame 30 is connected with the lifting drive assembly 40, the top drive sliding frame 30 is used for lifting the sliding frame 20 under the driving of the lifting drive assembly 40, and can be far away from the sliding frame 20 along with the action of the lifting drive assembly 40 when the frame body 10 and the sliding frame 20 are relatively fixed, and a connecting structure for connecting with a pressurized drilling assembly is integrated on the top drive sliding frame 30.
Compared with the prior art, the telescopic frame provided by the embodiment has the advantages that the sliding frame 20 is lifted through the top drive sliding frame 30, the sliding frame 20 is locked after the sliding frame 20 is lifted to a proper position, then the top drive sliding frame 30 can be separated from the sliding frame 20, the top drive sliding frame 30 is provided with a connecting structure which can be used for being connected with a pressurized drilling assembly, pressurized drilling can be realized through the movement of the top drive sliding frame 30 after the top drive sliding frame 30 is separated from the sliding frame 20, the lifting mechanism and the pressurized drilling driving mechanism are not separately arranged on the frame body 10, and the structure of the telescopic frame is simplified; the telescopic frame has a simple structure, and the sliding frame 20 can be retracted into the frame body 10, so that the telescopic frame is convenient to transport, load and unload.
During specific implementation, the frame body 10 and the sliding frame 20 are formed by welding square steel pipes, and the bearing beams are welded into a box-shaped beam structure, so that the bearing capacity is increased conveniently.
During specific implementation, the guide rail 110 is made of H-shaped steel, the modulus of the section of the H-shaped steel is large, and the weight reduction effect is achieved while the requirement is met.
Optionally, the lifting driving assembly 40 is a hydraulic oil cylinder, the hydraulic oil cylinder is small and exquisite in appearance and high in bearing capacity, and requirements of the lifting driving assembly 40 are met. Of course, the lifting driving assembly 40 can also be another driving member capable of driving the pulley assembly 40 to lift, such as an electric lifting rod, as long as the first pulley mechanism 420 can be pushed to lift, which is not illustrated here.
In some embodiments, referring to FIGS. 3 and 4, lift drive assembly 40 includes a telescoping actuator 400, a first pulley mechanism 420, a first lift cord 410, a second pulley mechanism 440, and a second lift cord 430.
Telescoping driver 400 has telescoping end 401; the second pulley mechanism 440 is fixed to the telescopic end 401; the second lifting rope 430 has a second fixed end 431 fixed to the frame body 10 and a second lifting end 432 opposite to the second fixed end 431, and the second lifting rope 430 is wound on the second pulley mechanism 440 from above the second pulley mechanism 440 and connected to the top drive carriage 30; the first pulley mechanism 420 is located below the second pulley mechanism 440 and fixed to the second pulley mechanism 440; the first lifting rope 410 has a first fixed end 411 fixed to the frame body 10 and a first lifting end 412 opposite to the first fixed end 411, the first lifting rope 410 is wound around the first pulley mechanism 420 from below the second pulley mechanism 440 and connected to the top drive carriage 30; wherein the first fixing end 411 is higher than the second fixing end 431. The lifting drive assembly 40 provided by the embodiment ensures that the lifting and pressurizing drilling operations of the top drive sliding frame 30 can be effectively carried out, has a simple structure, is convenient to manufacture, is completely positioned in the frame body 10, saves space and is convenient to transport; meanwhile, the energy consumption is reduced through the pulley mechanism, and the pulley mechanism is simple in structure, low in cost, good in transmission effect and convenient to assemble and disassemble.
In specific implementation, referring to fig. 1 and 3, a connecting rod 460 is further disposed between the first pulley mechanism 420 and the second pulley mechanism 440 to fix the vertical position between the first pulley mechanism 420 and the second pulley mechanism 440, so as to ensure stable operation of the lifting driving assembly 40.
In some embodiments, referring to fig. 1 and 3, the frame body 10 is provided with a guide rail 110 arranged in a vertical direction; the first pulley mechanism 420 is further provided with a first sliding member 421 slidably engaged with the guide rail 110; the second pulley mechanism 440 is further provided with a second sliding member 441 slidably engaged with the guide rail 110. The first pulley mechanism 420 and the second pulley mechanism 440 slide along the guide rail 110, which is beneficial for the lifting driving assembly 40 to drive the top driving sliding frame 30 to precisely lift the lifting sliding frame 20.
Optionally, the first sliding member 421 is a pulley, which has high flexibility, can move in the guide rail 110, and has small friction force, so as to facilitate the ascending of the first pulley mechanism 420; while guiding the first pulley mechanism 420 to ascend and descend along the guide rail 110. Of course, the first sliding member 421 may also be another member capable of guiding the movement of the first pulley mechanism 420, such as a sliding block, which has high flexibility and can slide in the guide rail 110. The first pulley mechanism 420 can be lifted along the guide rail 110, which is not illustrated here.
Optionally, the second sliding member 441 is a pulley, which has high flexibility, can move in the guide rail 110, and has small friction, so as to facilitate the ascending of the first pulley mechanism 420; while guiding the first pulley mechanism 420 to ascend and descend along the guide rail 110. Of course, the second sliding member 441 may be another member capable of guiding the movement of the first pulley mechanism 420, such as a sliding block, which has high flexibility and can slide in the guide rail 110. The first pulley mechanism 420 can be lifted along the guide rail 110, which is not illustrated here.
In some embodiments, referring to fig. 3, the first pulley mechanism 420 includes a lift plate 422 and a plurality of guide roller sets 423. The lifting plate 422 is fixedly connected to the second pulley mechanism 440; the plurality of guide roller sets 423 are disposed at a lower portion of the lifting plate 422 along the first horizontal direction, and the first lifting rope 410 sequentially passes around the plurality of guide roller sets 423. The plurality of guide roller sets 423 are engaged to facilitate the lifting of the first lifting rope 410. In the present embodiment, the plurality of guide roller sets 423 disposed in the transverse direction are used for the first lifting rope 410 to be wound around the rope, so as to prevent the first lifting rope 410 from interfering with the lifting driving assembly 40.
In specific implementation, referring to fig. 3, two sets of guide wheel sets 423 are respectively disposed at two ends of the lower portion of the lifting plate 422, so as to facilitate the lifting of the first lifting rope 410.
In an implementation, referring to fig. 3, the second pulley mechanism 440 includes a third guide pulley set 442, and the second lifting rope 430 is wound around the third guide pulley set 442 and connected to the upper end of the top driving carriage 30.
In practical implementation, the first guide wheel set 423, the second guide wheel set 424, and the third guide wheel set 442 are made of nylon, so as to reduce the overall weight of the first pulley mechanism 420.
It should be understood that, referring to fig. 1-3, the lift drive assembly 40 is in the non-operational state. The first fixed end 411 of the first lift cord 410 is not lower than the third guide pulley group 442.
In some embodiments, referring to fig. 1, the carriage 20 is slidably disposed through the frame 10. The shelf body 10 is open at the top, the sliding frame 20 has a transportation state of being retracted into the shelf body 10 and an operation state of being extended out of the shelf body 10, and the arrangement between the sliding frame 20 and the shelf body 10 is more compact and convenient for transportation.
In some embodiments, referring to fig. 1, 2 and 4, the locking device 50 includes a lock pin 510, the frame 10 has a passage 120 for the lock pin 510 to pass through, and the carriage 20 has a lock hole 210 aligned with the passage 120. When the carriage 20 is raised to align the lock aperture 210 with the passage 120, the lock pin 510 passes through the lock aperture 210 and the passage 120 to limit the raising or lowering of the carriage 20 to position the carriage 20. The locking device 50 provided by the embodiment has a simple structure and is convenient to produce and use.
Based on the same inventive concept, referring to fig. 5, an embodiment of the present application further provides a drilling rig derrick, including: the lifting device comprises a base 3, a frame body 10, a sliding frame 20, a lifting driving assembly 40, a lifting assembly 40, a locking device 50, a crown block platform 2, a racking platform 4 and a working ladder 5. The base 3 has an operating platform 32; the frame body 10 is rotatably connected to the base 3, and the sliding frame 20 is connected to the frame body 10 in an up-and-down sliding manner; a locking device 50 for locking the position of the carriage 20 after the carriage 20 is moved to a designated height; the lifting driving assembly 40 is arranged on the frame body 10; the top drive sliding frame 30 is connected with the lifting drive assembly 40, the top drive sliding frame 30 is used for lifting the sliding frame 20 under the driving of the lifting drive assembly 40, and can be far away from the sliding frame 20 along with the action of the lifting drive assembly 40 when the frame body 10 and the sliding frame 20 are relatively fixed, and a connecting structure for connecting with a pressurized drilling assembly is integrated on the top drive sliding frame 30; the crown block 2 is connected to the top end of the sliding frame 20; the racking platform 4 is connected to the sliding rack 20, and the working ladder 5 is provided in the telescopic rack 1.
Compared with the prior art, the working efficiency of the drilling derrick is improved by combining the telescopic frame with the racking platform 4, the sliding frame 20 is lifted through the top drive sliding frame 30, the sliding frame 20 is locked after the sliding frame is lifted to the proper position, then the top drive sliding frame 30 can be separated from the sliding frame 20, the top drive sliding frame 30 is provided with a connecting structure which can be used for being connected with a pressurized drilling assembly, pressurized drilling can be realized through the movement of the top drive sliding frame 30 after the top drive sliding frame 30 is separated from the sliding frame 20, the independent arrangement of a lifting mechanism and a pressurized drilling driving mechanism on the frame body 10 is avoided, and the structure of the telescopic frame is simplified; the telescopic frame has simple structure, and the sliding frame 20 can be retracted into the frame body 10, thereby being convenient for transportation, loading and unloading; the top drive sliding frame 30 rises along with the lifting drive component 40 and is far away from the well mouth, so that the pressurized drilling work of the drilling machine is convenient to carry out, and the drilling efficiency is accelerated.
In the implementation process, referring to fig. 5, the frame body 10 is rotatably connected with the base 3 through the lifting cylinder 31, two ends of the lifting cylinder 31 are connected to the frame body 10 and the base 3, and when the lifting cylinder 31 extends, the frame body 10 is pushed to rotate. The frame body 10 has an idle state adjacent to the operation platform 32 and an operation state perpendicular to the base 3.
In operation, and referring to FIG. 5, the operations platform 32 has a plurality of devices, such as electric winches (not shown), hydraulic stations, electrical control rooms and mud pumps, for performing drilling operations.
In one embodiment, the frame body 10 and the sliding frame 20 are open to one side of the operating platform 32, and the top drive carriage 30 is located on the open side of the frame body 10 and the sliding frame 20. When the sliding frame 20 ascends, the top drive sliding frame 30 ascends along with the lifting drive assembly 40 and is far away from the wellhead, so that subsequent work such as pressurized drilling and the like is facilitated.
In some embodiments, referring to fig. 1 and 5, the portion of the working ladder 5 located on the sliding frame 20 is disposed outside the sliding frame 20, and a space (not shown) for accommodating the working ladder 5 is formed outside the sliding frame 20 to facilitate the extension and retraction of the sliding frame 20; the part of the working ladder 5 located on the frame body 10 is arranged on the outer side of the frame body 10. The climbing of operators is facilitated; meanwhile, accessory facilities such as pipelines, drag chains and the like can be arranged at the gap part between the working ladder 5 and the frame body 10, and the space is fully utilized.
It should be noted that the working ladder 5 is composed of multiple sections of ladders, and is convenient to disassemble and assemble.
In one embodiment, referring to fig. 2, the racking board 4 is rotatably connected to the carriage 20 at one end and to the carriage 20 at the other end by a cable 41. The racking platform 4 is provided with a railing for preventing a drill rod (not shown) placed on the racking platform 4 from falling down the racking platform 4 and causing damage to equipment and personnel on the bottom surface. The racking platform 4 is rotationally connected with the sliding rack 20 in a double-pin locking mode, so that the connection is more stable; the racking platform 4 is tensioned and supported by a rope 41; when the telescopic frame 1 is transported, the racking platform 4 can be rapidly detached, so that the telescopic frame 1 is convenient to transport.
On the basis of the above embodiment, the pulleys used by the crown block 2 are made of nylon, so that the weight is effectively reduced without significantly reducing the bearing capacity of the crown block 2.
The installation process of the drilling derrick provided by the embodiment is roughly as follows:
1) connecting the base 3 with the frame body 10;
2) erecting the racking platform 4, performing pin-through locking, and mounting the racking platform handrail 42 on the racking platform 4;
3) starting the lifting oil cylinder 31 to start lifting the frame body 10, and fixing the frame body 10 after the frame body 10 is lifted to a preset position;
4) the lifting driving assembly 40 is started, the lifting driving assembly 40 is connected with the top drive sliding frame 30 through the first lifting rope 410 and the second lifting rope 430, the top drive sliding frame 30 is driven to lift, then the sliding frame 20 is driven to slowly lift, and after the sliding frame 20 lifts to a preset height, the sliding frame 20 is fixed through the locking device 50.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An expansion bracket, comprising:
a frame body;
the sliding frame is connected to the frame body in a vertically sliding manner;
the locking device is used for locking the position of the sliding frame after the sliding frame moves to a specified height;
the lifting driving assembly is arranged on the frame body; and
the balladeur train is driven on top, with the lift drive subassembly is connected, the balladeur train is driven on top be used for lift under the drive of lift drive subassembly the carriage, and can the support body with when the carriage is fixed relatively, along with lift drive subassembly's action is kept away from the carriage, the integrated connection structure who is used for being connected with the pressurization drilling subassembly that has on the balladeur train is driven on top.
2. The telescoping mast of claim 1, wherein the lift drive assembly comprises:
a telescopic driver having a telescopic end;
the second pulley mechanism is fixed at the telescopic end;
the second lifting rope is provided with a second fixed end fixed with the frame body and a second lifting end opposite to the second fixed end, and is wound on the second pulley mechanism from the upper part of the second pulley mechanism and connected with the top drive sliding frame;
the first pulley mechanism is positioned below the second pulley mechanism and is fixed on the second pulley mechanism; and
the first lifting rope is provided with a first fixed end fixed with the frame body and a first lifting end opposite to the first fixed end, and is wound on the first pulley mechanism from the lower part of the second pulley mechanism and connected with the top drive sliding frame;
wherein the first fixing end is higher than the second fixing end.
3. The telescopic rack according to claim 2, wherein the rack body is provided with guide rails arranged in a vertical direction;
the first pulley mechanism is also provided with a first sliding part in sliding fit with the guide rail;
the second pulley mechanism is also provided with a second sliding part in sliding fit with the guide rail.
4. The telescoping mast of claim 2, wherein said first pulley mechanism comprises:
the lifting plate is fixedly connected to the second pulley mechanism; and
the lifting plate comprises a plurality of guide wheel sets, the guide wheel sets are arranged on the lower portion of the lifting plate along a first horizontal direction, and the first lifting rope sequentially bypasses the guide wheel sets.
5. The telescoping mast of claim 1, wherein said carriage is slidably disposed through said mast body.
6. The telescoping mast of claim 1, wherein said locking means comprises a locking pin, said mast body defines a passage therethrough for said locking pin, and said carriage defines a locking aperture aligned with said passage.
7. A drilling rig mast, comprising:
a base having an operating platform;
a frame body; the base is rotatably connected with the base;
the sliding frame is connected to the frame body in a vertically sliding manner;
the locking device is used for locking the position of the sliding frame after the sliding frame moves to a specified height;
the lifting driving assembly is arranged on the frame body; and
the top driving sliding frame is connected with the lifting driving assembly, is used for lifting the sliding frame under the driving of the lifting driving assembly and can be far away from the sliding frame along with the action of the lifting driving assembly when the frame body and the sliding frame are relatively fixed, and a connecting structure used for being connected with the pressurizing drilling assembly is integrated on the top driving sliding frame;
the overhead traveling crane platform is connected to the top end of the sliding frame;
the racking platform is connected with the sliding frame; and
the working ladder is arranged on the frame body and the sliding frame.
8. The drilling rig mast of claim 7, wherein said frame body and said carriage are open to one side of said operating platform, said top drive carriage being located on the open side of said frame body and said carriage.
9. The drilling derrick of claim 8, wherein the portion of the working ladder located on the sliding frame is provided on an outer side of the sliding frame, the outer side of the sliding frame forming a space for accommodating the working ladder;
the working ladder is positioned on the outer side of the frame body.
10. The drilling rig mast of claim 7, wherein said racking board is pivotally connected at one end to said carriage and at another end to said carriage by a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123381841.6U CN216477183U (en) | 2021-12-29 | 2021-12-29 | Expansion bracket and drilling derrick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123381841.6U CN216477183U (en) | 2021-12-29 | 2021-12-29 | Expansion bracket and drilling derrick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477183U true CN216477183U (en) | 2022-05-10 |
Family
ID=81430289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123381841.6U Active CN216477183U (en) | 2021-12-29 | 2021-12-29 | Expansion bracket and drilling derrick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477183U (en) |
-
2021
- 2021-12-29 CN CN202123381841.6U patent/CN216477183U/en active Active
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