Novel derrick and base lifting structure

Abstract

The utility model discloses a novel derrick and base lifting structure which comprises a propeller strut hinged to a base, and a propeller strut pulley arranged at the top of the propeller strut; the hoisting device comprises a winch installed on the top face of the base, a crown block arranged at the top of the derrick and a traveling block arranged in the derrick, and a steel wire rope of the winch is wound around the crown block and then is connected with the traveling block; the large lifting rope is formed by splicing a section I and a section II; the large lifting rope is connected with the propeller strut pulley, the pulley system and the lifting device and then lifts the derrick and the base in sequence. According to the utility model, the problem that the travel of the traveling block is not enough when the base is lifted in the continuous lifting drilling machine without changing the lifting rope can be effectively solved, and the lifting efficiency of the drilling machine can be improved.

Description

Technical Field

[0001] This utility model relates to the field of drilling rig derrick and base lifting. More specifically, this utility model relates to a novel derrick and base lifting structure. Background Technology

[0002] In conventional K-shaped derricks and rotary base hoisting systems, one method enables continuous hoisting, while the other uses two sets of hoisting ropes for sequential, individual hoisting. However, using two sets of hoisting ropes requires first removing the derrick's main hoisting rope before installing the base's main hoisting rope, and involves rope replacement at high altitudes, resulting in complex procedures, low efficiency, and poor safety. Furthermore, for ultra-high bases, insufficient travel of the traveling block can occur during base hoisting. To address these issues, it is necessary to provide a novel derrick and base hoisting structure suitable for drilling rigs with medium-to-low-level winch arrangements or ultra-high bases. Utility Model Content

[0003] One object of this invention is to solve at least the problems described above and to provide at least the advantages that will be explained later.

[0004] To achieve these objectives and other advantages according to this utility model, a novel derrick and base lifting structure is provided, wherein the derrick and base are respectively hinged to a base, the base being a foldable structure, and the derrick being equipped with a pulley system, including:

[0005] A-frame, hinged to the base, with a-frame pulley at the top;

[0006] The hoisting device includes a winch mounted on the top surface of the base, a crane mounted on the top of the derrick, and a traveling car mounted inside the derrick. The wire rope of the winch passes around the crane and is connected to the traveling car.

[0007] The hoisting rope is composed of two segments; after being connected to the A-frame pulley, the pulley system and the hoisting device, the hoisting rope sequentially lifts the derrick and the base.

[0008] When the derrick is raised, one end of segment one is fixed to the derrick, and the other end is detachably connected to one end of segment two. The other end of segment two passes through the A-frame pulley and the pulley system in sequence and is then fixedly connected to the traveling block. When the base is raised, segment one and segment two are separated, and the end of segment two connected to segment one is fixed to the top of the base.

[0009] Preferably, the A-frame includes two symmetrically arranged A-shaped supports, which are connected by a crossbeam.

[0010] Preferably, a walkway is provided on the crossbeam, and railings are provided on both sides of the walkway.

[0011] Preferably, both ends of segment one and segment two are cast with pear-shaped heads, and segment one is connected to the derrick, segment one is connected to segment two, and segment two is connected to the traveling block and the base by pins.

[0012] Preferably, both ends of segment one and segment two are cast with pear-shaped heads, segment one is connected to the derrick and segment two is connected to the traveling block and the base by pins; segment one and segment two are connected by connecting buckles.

[0013] Preferably, the pulley system includes a first guide pulley and a second guide pulley, the first guide pulley being perpendicular to the axial center line of the second guide pulley, and the first guide pulley being located above the second guide pulley.

[0014] This utility model has at least the following beneficial effects:

[0015] This utility model provides a novel derrick and base lifting structure. The lifting rope is composed of two segments, Segment 1 and Segment 2. After the derrick is lifted to the working position and fixed, the lifting rope is disassembled, and Segment 2 connects the lifting device and the base for lifting the base. This structure is applicable to working conditions where the winch is positioned either high or low. After the derrick is lifted to the working position, the connection point between Segment 1 and Segment 2 of the lifting rope is located near the A-frame crossbeam. Segment 1 and Segment 2 can be easily disassembled from the walkway on the A-frame crossbeam, making it effective for drilling rigs requiring lifting rope replacement. In actual use, disassembling the lifting rope and connecting Segment 2 to the base takes only 40-60 minutes, saving time and effort compared to using two sets of ropes for high-altitude rope replacement, and effectively improving the efficiency of drilling rig lifting operations.

[0016] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0017] Figure 1 This is a side view of the new derrick and base lifting structure described in this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the derrick when it is raised to the working position according to this utility model;

[0019] Figure 3 This is a schematic diagram illustrating the operation of separating segment two from segment one according to this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of segment two after it is separated from segment one and fixedly connected to the base. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0022] It should be noted that, unless otherwise specified, the experimental methods described in the following embodiments are all conventional methods, and the reagents and materials described are all commercially available unless otherwise specified. In the description of this utility model, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] like Figures 1 to 4 As shown, this utility model provides a novel derrick and base lifting structure. The derrick 7 and the base 11 are respectively hinged to the base 1. The base 11 is a foldable structure. The derrick 7 is provided with a pulley system 10, including:

[0024] A-frame 3 is hinged to the base 1, and a-frame pulley 4 is provided on the top of the A-frame 3;

[0025] The hoisting device includes a winch 2 mounted on the top surface of the base 11, a crane 8 set on the top of the derrick 7, and a traveling car 9 set inside the derrick 7. The wire rope 6 of the winch 2 passes around the crane 8 and is connected to the traveling car 9.

[0026] The hoisting rope 5 is composed of segment 1 52 and segment 2 51 spliced ​​together; after the hoisting rope 5 is connected to the A-frame pulley 4, the pulley system 10 and the hoisting device, it sequentially lifts the derrick 7 and the base 11.

[0027] When the derrick is raised, one end of segment 1 52 is fixed to the derrick 7, and the other end is detachably connected to one end of segment 2 51. The other end of segment 2 51 passes through the A-frame pulley 4 and the pulley system 10 in sequence and is then fixedly connected to the traveling trolley 9. When the base 11 is raised, segment 1 52 and segment 2 51 are separated, and the end of segment 2 51 that connects to segment 1 52 is fixed to the top of the base 10.

[0028] In this technical solution, the derrick 7 and the base 11 can be mounted horizontally on the same side or in opposite directions. Both the base 11 and the derrick 7 can adopt the corresponding structure of a conventional modular drilling rig. First, the derrick 7 is lifted. At this time, segment one 52 and segment two 51 are spliced ​​to form a lifting rope 5. One end of the lifting rope 5 is connected to the derrick 7, and the other end goes around the A-frame pulley 4, then is guided by the sliding beam system 10 and connected to the traveling block 9. Then, the winch 2 is started, and the wire rope 6 drives the traveling block 9 to move sequentially towards the top of the derrick 7. The traveling block 9 then drives the lifting rope 5, while the A-frame 3 remains stationary. The derrick 7 is lifted under the action of the lifting rope 5. After the derrick 7 is lifted to the working position, it is fixed to the A-frame 3. At this time, the connection point of segment one 52 and segment two 51 is exactly 1.5m above the A-frame 3. Then restart the winch 2, slightly lower the traveling block 9, and after the hoisting rope 5 is slack, separate section one 52 and section two 51, as follows. Figure 3 As shown, the lower end of segment 52 can be directly suspended and fixed on the derrick 7; then, the end of segment 2 connected to segment 52 is re-circled around the A-frame pulley 4 and connected to the top of the base 11. At this time, one end of segment 2 51 is connected to the base 11, and the other end is sequentially circled around the A-frame pulley 4 and the pulley system 10 and connected to the traveling block 9; then the winch 2 is started to continue to drive the traveling block 9 to rise, and the base 11 is lifted. After the base 11 is lifted to the working position, it is fixed to the base 1.

[0029] In this technical solution, the A-frame 3 includes two symmetrically arranged A-shaped supports connected by a crossbeam. Each A-shaped support is topped with an A-frame pulley 4. Two sets of pulley systems 10 and hoisting ropes 5 are correspondingly provided, and the hoisting of the derrick 7 and the base 11 is performed synchronously via the winch 2 and the traveling block 9.

[0030] Furthermore, a walkway is provided on the crossbeam, and railings are provided on both sides of the walkway. After the derrick 7 is raised to the working position, the connection point of segment one 52 and segment two 51 is exactly 1.5m above the A-frame 3, allowing construction workers to stand on the walkway to disassemble the lifting rope 5, reducing the need for cranes.

[0031] In another technical solution, pear-shaped heads are cast at both ends of segment 1 52 and segment 2 51. Segment 1 52 is connected to the derrick 7, segment 1 52 is connected to segment 2 51, and segment 2 52 is connected to the traveling block 9 and the base 11 by pins to facilitate disassembly and improve lifting efficiency.

[0032] In another technical solution, both ends of segment 1 52 and segment 2 51 are cast with pear-shaped heads. Segment 1 52 is connected to the derrick 7, and segment 2 51 is connected to the traveling block 9 and the base 11 by pins. Segment 1 52 and segment 2 51 are connected by a connecting buckle. To avoid the risk of the pins coming loose at the connection between segment 1 52 and segment 2 51, and to ensure quick disassembly, the two can be connected by the connecting buckle. Specifically, the connecting buckle can adopt a ring-shaped clamp structure, with two semi-circular clamps hinged at one end. After the pear-shaped heads at the connection end of segment 1 52 and segment 2 51 are simultaneously inserted into the clamp, the other ends of the two clamps are connected by bolts, that is, the connecting buckle is closed and fixed.

[0033] In another technical solution, the pulley system 10 includes a first guide pulley 102 and a second guide pulley 101. The first guide pulley 102 is perpendicular to the axial center line of the second guide pulley 101, and the first guide pulley 102 is located above the second guide pulley 101. The first guide pulley 102 and the second guide pulley 101 guide the hoisting rope 5, preventing the hoisting rope 5 from experiencing hard friction with the derrick 7.

[0034] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A novel derrick and base lifting structure, wherein the derrick and base are respectively hinged to a base, the base being a foldable structure, and the derrick being equipped with a pulley system, characterized in that, include: A-frame, hinged to the base, with a-frame pulley at the top; The hoisting device includes a winch mounted on the top surface of the base, a crane mounted on the top of the derrick, and a traveling car mounted inside the derrick. The wire rope of the winch passes around the crane and is connected to the traveling car. The hoisting rope is composed of two segments; after being connected to the A-frame pulley, the pulley system and the hoisting device, the hoisting rope sequentially lifts the derrick and the base. When the derrick is raised, one end of segment one is fixed to the derrick, and the other end is detachably connected to one end of segment two. The other end of segment two passes through the A-frame pulley and the pulley system in sequence and is then fixedly connected to the traveling block. When the base is raised, segment one and segment two are separated, and the end of segment two connected to segment one is fixed to the top of the base. Both ends of segment one and segment two are cast with pear-shaped heads. Segment one is connected to the derrick and segment two is connected to the traveling block and the base by pins. Segment one and segment two are connected by a connecting buckle. The connecting buckle adopts a ring-shaped clamp structure with two semi-circular clamps, one end of which is hinged. After the pear-shaped heads of segment one and segment two are simultaneously put into the clamp, the other ends of the two clamps are connected by bolts.

2. The novel derrick and base lifting structure as described in claim 1, characterized in that, The A-frame includes two symmetrically arranged A-shaped supports, which are connected by a crossbeam.

3. The novel derrick and base lifting structure as described in claim 2, characterized in that, A walkway is provided on the crossbeam, and railings are provided on both sides of the walkway.

4. The novel derrick and base lifting structure as described in claim 1, characterized in that, The pulley system includes a guide pulley one and a guide pulley two. The axial center line of the guide pulley one is perpendicular to that of the guide pulley two, and the guide pulley one is located above the guide pulley two.

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