Self-propelled intelligent crown block lifting apparatus for assembling and disassembling petroleum drilling derrick

Abstract

The present invention relates to the technical field of petroleum apparatuses, and specifically relates to a self-propelled intelligent crown block lifting apparatus for assembling and disassembling a petroleum drilling derrick, comprising: a frame; a locomotion device, arranged at the lower end of the frame in a liftable / lowerable manner; first oil cylinders, arranged between the frame and the locomotion device and configured to drive the locomotion device to ascend or descend; a lifting / lowering assembly, arranged at the upper end of the frame in a liftable / lowerable manner; second oil cylinders, arranged between the frame and the lifting / lowering assembly and configured to drive the lifting / lowering assembly to ascend or descend; and a support assembly, swingably arranged at the upper end of the lifting / lowering assembly. The lifting / lowering assembly comprises: a top frame; and guide columns arranged at the lower end of the top frame, the guide columns being slidably connected to the frame. The support assembly comprises: a swing frame swingably arranged at the upper end of the top frame; and support rollers rotatably arranged at two ends of the swing frame. The present invention provides more reliable support for the derrick, effectively preventing the derrick from shaking.

Description

Intelligent disassembly and assembly overhead crane lifting equipment for self-propelled oil drilling derricks Technical Field

[0001] This invention relates to the field of petroleum equipment technology, specifically to a self-propelled oil drilling rig intelligent disassembly and assembly overhead crane lifting equipment. Background Technology

[0002] Oil drilling rigs are typically 30 to 40 meters tall or more. Due to their enormous size, they are difficult to transport as a whole. Therefore, they are disassembled into individual parts for transport and then reassembled on-site at the well site. Derricks are generally composed of multiple sections. The traditional assembly method involves two cranes and a forklift working together to assemble each section from bottom to top. This method carries high safety risks, easily causing personal injury and damage to components.

[0003] Chinese utility model patent CN220317276 U discloses a "self-propelled oil drilling rig lifting device and its control system," which adopts a dual-lifting hydraulic structure and a reasonable force-bearing support structure layout to make its support more stable and reliable, and has the function of adjustable support height. However, it has the following technical problems during use:

[0004] (1) It only has one support point for the derrick, and the single support method is not stable enough.

[0005] (2) The lack of a lateral fixing device for the derrick makes it easy for the derrick to slip laterally, and it is impossible to suppress the high-frequency or violent swaying of the derrick in the lateral direction.

[0006] (3) The angle and position of the derrick cannot be monitored. Summary of the Invention

[0007] In order to solve the technical problems existing in the background art, the present invention provides a self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment, which provides more reliable support for the derrick and effectively prevents the derrick from shaking.

[0008] The technical solution adopted by this invention to solve its technical problem is:

[0009] Self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment includes:

[0010] frame;

[0011] The walking device is height-adjustable and located at the lower end of the frame;

[0012] The first hydraulic cylinder is located between the frame and the traveling device and is used to drive the lifting and lowering of the traveling device;

[0013] The lifting assembly is mounted on the upper part of the frame and can be raised or lowered.

[0014] The second hydraulic cylinder is located between the frame and the lifting assembly and is used to drive the lifting assembly to move up and down.

[0015] The support component is pivotally mounted on the upper part of the lifting component.

[0016] Furthermore, the lifting assembly includes:

[0017] Top frame;

[0018] The guide column is located at the lower end of the top frame and is slidably connected to the frame.

[0019] Supporting components include:

[0020] The swing frame is mounted on the top of the top frame and can swing.

[0021] Support rollers are rotatably mounted at both ends of the swing frame.

[0022] Furthermore, the support component is equipped with a clamping component;

[0023] The clamping components include:

[0024] A horizontal rail is installed on the display frame;

[0025] The slide is slidably mounted on the horizontal rail; there are two slides.

[0026] The clamping roller is rotatably mounted on the upper end of the slide block;

[0027] The third hydraulic cylinder is located between the two sliding blocks.

[0028] Furthermore, the third cylinder is a single-acting cylinder;

[0029] The piston rod of the second cylinder has a through hole. The lower end of the through hole is connected to the cavity of the second cylinder, and the upper end of the through hole is connected to the oil port of the third cylinder through a one-way valve and a sequence valve arranged in parallel.

[0030] Furthermore, the horizontal rail has a sealed cavity inside, which is filled with fluid.

[0031] The clamping components also include:

[0032] The slider is slidably set inside the cavity of the horizontal rail;

[0033] An inner hole is formed on the slider, and the inner hole extends horizontally through the slider.

[0034] The first magnet is mounted on the slider;

[0035] The second magnet is mounted on the slide, and the second magnet is magnetically attracted to the first magnet.

[0036] Furthermore, an encoder is installed between the swing frame and the top frame to detect the swing angle of the swing frame.

[0037] Furthermore, a first buffer block is provided on the top frame, and the support roller can press on the first buffer block.

[0038] Furthermore, a displacement sensor is installed on the swing frame to detect the position of the slide.

[0039] Furthermore, second buffer blocks are provided at both ends of the horizontal rail, and the slide can press against the second buffer blocks.

[0040] The beneficial effects of this invention are:

[0041] (1) The swing frame is equipped with two support rollers that maintain contact with the lower end face of the derrick, ensuring that the support assembly always has two effective support points for the derrick. This design increases the number of support points for the derrick, thereby improving the stability of the support. In addition, the swing frame can rotate synchronously with the derrick, allowing the angle change of the derrick to be indirectly monitored by monitoring the angle change of the swing frame. This design not only enhances the support capacity for the derrick but also provides the function of monitoring the angle of the derrick.

[0042] (2) The clamping assembly can clamp the two sides of the derrick to restrict its lateral position and prevent the derrick from falling off. At the same time, it can also monitor the lateral displacement of the derrick to avoid the lifting device from losing balance due to excessive derrick offset.

[0043] (3) The clamping components can effectively suppress the high-frequency or violent swaying of the derrick in the lateral direction, thereby ensuring the stability and safety of the derrick.

[0044] (4) The special cylinder structure and pipeline connection design enable the various components to work together. The lifting and clamping actions can be controlled in an orderly manner through a single hydraulic source to achieve a linkage effect. This design not only simplifies the structure but also facilitates operation and maintenance, making the entire system more efficient and reliable. Attached Figure Description

[0045] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0046] Figure 1 is a schematic diagram of the structure of the present invention;

[0047] Figure 2 is a second structural schematic diagram of the present invention;

[0048] Figure 3 is a diagram showing the usage state of the present invention;

[0049] Figure 4 is a structural schematic diagram of the lifting assembly and the support assembly;

[0050] Figure 5 is a structural schematic diagram of the lifting assembly and the support assembly (II).

[0051] Figure 6 is a schematic diagram of the clamping assembly;

[0052] Figure 7 is a cross-sectional view at the horizontal rail.

[0053] In the diagram: 1. Frame, 2. First hydraulic cylinder, 3. Traveling device, 4. Second hydraulic cylinder, 5. Lifting assembly, 6. Support assembly, 41. Through hole, 51. Top frame, 52. Guide column, 53. First buffer block, 54. Encoder, 61. Swing frame, 62. Support roller, 63. Clamping assembly, 64. Displacement sensor, 6301. Horizontal rail, 6302. Slide block, 6303. Clamping roller, 6304. Third hydraulic cylinder, 6305. Second buffer block, 6306. One-way valve, 6307. Sequence valve, 6308. Slider, 6309. Inner hole, 6310. First magnet, 6311. Second magnet. Detailed Implementation

[0054] The present invention will be further described in detail below with reference to the accompanying drawings.

[0055] As shown in Figures 1, 2, and 3, the specific structure of the self-propelled oil drilling rig intelligent disassembly and assembly overhead crane lifting equipment includes a frame 1. A hydraulic station for drive is installed inside the frame 1. A walking device 3 is vertically mounted at the lower end of the frame 1, symmetrically arranged on both sides of the frame 1, and uses a tracked walking mechanism. Four first hydraulic cylinders 2 are vertically positioned between the frame 1 and the walking device 3, used to drive the lifting and lowering of the walking device 3. One first hydraulic cylinder 2 is installed at each end of the walking device 3 on each side, thus ensuring the stability of the lifting and lowering of the walking device 3.

[0056] The lifting assembly 5 is vertically and flexibly mounted on the upper end of the frame 1. A second hydraulic cylinder 4 is positioned between the frame 1 and the lifting assembly 5 to drive its lifting motion. There are two second hydraulic cylinders 4, located symmetrically in the middle of the frame 1. The connection point between the second hydraulic cylinders 4 and the lifting assembly 5 is located at the center of the lifting assembly 5, ensuring balanced force distribution. A support assembly 6 is sway-mounted on the upper end of the lifting assembly 5. Multiple support points are formed between the support assembly 6 and the derrick, ensuring consistent support to the derrick and enhancing its support capacity.

[0057] As shown in Figures 4 and 5, the specific structure of the lifting assembly 5 includes a top frame 51. Guide posts 52 are located at the lower end of the top frame 51, situated at its four corners, and are slidably inserted into the frame 1. The guide posts 52 serve a guiding function, preventing the top frame 51 from deflecting. Furthermore, the guide posts 52 have through holes into which safety pins can be inserted. These safety pins are held in place by the frame 1, thus limiting the descent of the guide posts 52 and providing safety protection. The guide posts 52 also have scale lines to display their extension length, thereby determining the height of the lifting assembly 5. In specific implementations, the guide posts 52 employ a multi-layered nested structure, further increasing their maximum extension distance.

[0058] The support assembly 6 includes a swing frame 61, which is swayably mounted on the upper end of the top frame 51. The connection between the swing frame 61 and the top frame 51 is located at the center of the top frame 51. Support rollers 62 are rotatably mounted at both ends of the swing frame 61. In a specific implementation, the support rollers 62 at both ends of the swing frame 61 are symmetrically arranged about the center of the swing frame 61. An encoder 54 is installed between the swing frame 61 and the top frame 51. The encoder 54 is located at the connection between the swing frame 61 and the top frame 51. The body of the encoder 54 is fixedly connected to the top frame 51, and the rotating shaft of the encoder 54 is fixedly connected to the swing frame 61. The encoder 54 can detect the swing angle of the swing frame 61. Since the swing frame 61 can rotate synchronously with the derrick, the angle change of the derrick can be indirectly monitored by monitoring the angle change of the swing frame 61.

[0059] A first buffer block 53 is provided on the top frame 51, and the support roller 62 can press on the first buffer block 53. The first buffer block 53 can prevent the support roller 62 from colliding with the top frame 51, which would cause structural deformation and instability.

[0060] As shown in Figure 6, a clamping assembly 63 is provided on the support assembly 6. The clamping assembly 63 includes a horizontal rail 6301, which is mounted on the swing frame 61. The horizontal rail 6301 is located between the support rollers 62 at both ends of the swing frame 61. The horizontal rail 6301 has a square cavity structure. The length direction of the horizontal rail 6301 is parallel to the length direction of the support rollers 62. A slide block 6302 is slidably mounted on the horizontal rail 6301. The slide block 6302 can only slide relative to the horizontal rail 6301, but cannot rotate relative to the horizontal rail 6301. There are two slide blocks 6302. A clamping roller 6303 is rotatably mounted on the upper end of the slide block 6302. The derrick is located between the two clamping rollers 6303. A third hydraulic cylinder 6304 is located between the two slide blocks 6302. When the third hydraulic cylinder 6304 retracts, the two clamping rollers 6303 clamp the two sides of the derrick, thus limiting the derrick's lateral position and preventing it from falling off. Furthermore, a displacement sensor 64 is installed on the swing frame 61. In specific implementations, the displacement sensor 64 is a laser displacement sensor, which can detect the position of the slide block 6302, thereby monitoring the lateral displacement of the derrick and preventing the lifting device from losing balance due to excessive derrick offset.

[0061] A second buffer block 6305 is provided at both ends of the horizontal rail 6301, and the second buffer block 6305 is located between the slide 6302 and the swing frame 61. The slide 6302 can press on the second buffer block 6305. The second buffer block 6305 can prevent the slide 6302 from colliding with the swing frame 61, which would cause structural deformation and instability.

[0062] The third hydraulic cylinder 6304 is a single-acting hydraulic cylinder, and its structure is specially designed. The specific structure and principle of the third hydraulic cylinder 6304 are as follows:

[0063] The third hydraulic cylinder 6304 has only one oil port. When the pressure at the oil port increases, hydraulic oil enters the third hydraulic cylinder 6304 through the oil port, which drives the piston rod of the third hydraulic cylinder 6304 to contract, thereby causing the two clamping rollers 6303 to clamp the two sides of the derrick. Furthermore, the third hydraulic cylinder 6304 is equipped with a return spring. When the pressure at the oil port decreases, the return spring drives the piston rod to extend, allowing hydraulic oil to flow out from the oil port. The extension of the piston rod also causes the clamping rollers 6303 on both sides to move away from the derrick.

[0064] The piston rod of the second cylinder 4 has a through hole 41 extending vertically. The lower end of the through hole 41 communicates with the cavity of the second cylinder 4, and the upper end of the through hole 41 communicates with the oil port of the third cylinder 6304 through a parallel one-way valve 6306 and a sequence valve 6307. Hydraulic oil in the second cylinder 4 can enter the third cylinder 6304 through the sequence valve 6307. Hydraulic oil in the third cylinder 6304 can flow back to the second cylinder 4 through the one-way valve 6306. The special cylinder structure and pipeline connection design enable the various components to work collaboratively. With a single hydraulic source, the lifting and clamping actions can be controlled in an orderly manner to achieve a linkage effect. This design not only simplifies the structure but also facilitates operation and maintenance, making the entire system more efficient and reliable.

[0065] As shown in Figure 7, the horizontal rail 6301 has a sealed cavity filled with fluid, which can be hydraulic oil or lubricating oil. The clamping assembly 63 also includes a slider 6308, which is slidably disposed within the cavity of the horizontal rail 6301, with its outer periphery fitting against the inner wall of the cavity. An inner hole 6309 is formed on the slider 6308, extending transversely through it along the length of the horizontal rail 6301. Both sides of the slider 6308 and the inner hole 6309 are filled with fluid. When the slider 6308 slides, the fluid on one side of the slider 6308 flows to the other side through the inner hole 6309. Due to the small diameter of the inner hole 6309, it restricts the flow rate of fluid through the slider 6308, thus allowing the slider 6308 to slide smoothly and preventing high-frequency or violent sliding. A first magnet 6310 is mounted on a slider 6308, and a second magnet 6311 is mounted on a slide block 6302. The second magnet 6311 magnetically engages with the first magnet 6310. The first magnet 6310 and the second magnet 6311 enable the slide block 6302 and the slider 6308 to move synchronously. Because the slider 6308 can only slide smoothly, the derrick held by the clamping rollers 6303 on the slide block 6302 can only oscillate gently and slightly. This effectively suppresses high-frequency or violent lateral oscillations of the derrick, ensuring its stability and safety.

[0066] Specific usage instructions:

[0067] a. Movement:

[0068] Hydraulic oil from the hydraulic station enters the cavity of the first cylinder 2, the first cylinder 2 extends, the traveling device 3 contacts the ground, the frame 1 detaches from the ground, the traveling device 3 operates, and the traveling device 3 drives the lifting device to move to the working position.

[0069] b. Taking a seat:

[0070] Hydraulic oil in the cavity of the first cylinder 2 enters the hydraulic station, the first cylinder 2 shortens, the walking device 3 is separated from the ground, the frame 1 is in contact with the ground, and the lifting device is reliably fixed to the ground.

[0071] c. Lifting:

[0072] Hydraulic oil from the hydraulic station enters the cavity of the second cylinder 4, causing the second cylinder 4 to extend and the lifting assembly 5 to rise until the support rollers 62 at both ends of the support assembly 6 are in contact with the lower end face of the derrick. It is important to note that the pressure of the hydraulic oil in the cavity of the second cylinder 4 remains constant during the raising of the lifting assembly 5.

[0073] d. Clamping:

[0074] Hydraulic oil from the hydraulic station continues to flow into the cavity of the second cylinder 4. Since the support rollers 62 at both ends of the support assembly 6 are in contact with the lower end face of the derrick, the second cylinder 4 cannot extend further. Therefore, the pressure of the hydraulic oil in the cavity of the second cylinder 4 increases.

[0075] When the pressure of the hydraulic oil in the cavity of the second cylinder 4 reaches a certain value, the sequence valve 6307 opens. The hydraulic oil in the cavity of the second cylinder 4 enters the cavity of the third cylinder 6304 through the through hole 41 and the sequence valve 6307. At this time, the third cylinder 6304 contracts, thereby clamping the two clamping rollers 6303 onto both sides of the derrick.

[0076] Hydraulic oil from the hydraulic station continues to flow into the cavity of the second cylinder 4. Due to the constraint of the derrick, the third cylinder 6304 cannot retract further. The pressure of the hydraulic oil in the second cylinder 4 and the third cylinder 6304 will further increase until the lifting force of the second cylinder 4 can lift the derrick. At this point, the support rollers 62 can fully lift the derrick. While the derrick is lifted by the two support rollers 62, it is also clamped and fixed by the two clamping rollers 6303.

[0077] e. Decline:

[0078] Hydraulic oil in the cavity of the second cylinder 4 enters the hydraulic station, causing the second cylinder 4 to shorten. The support assembly 6 descends along with the lifting assembly 5, and the derrick also descends synchronously. During this process, the third cylinder 6304 remains in a retracted state, and the two clamping rollers 6303 always hold the two sides of the derrick together.

[0079] f. Release:

[0080] When the derrick reaches the predetermined position, it is supported by another lifting device and cannot descend further. As hydraulic oil continues to flow into the hydraulic station from the cavity of the second cylinder 4, the pressure of the hydraulic oil in the cavity of the second cylinder 4 decreases, and the hydraulic oil in the cavity of the third cylinder 6304 flows back into the cavity of the second cylinder 4 through the one-way valve 6306 and the through hole 41. The return spring drives the piston rod to extend, and the extension of the piston rod moves the clamping rollers 6303 on both sides away from the derrick, thereby releasing the clamp on the derrick.

[0081] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment, characterized in that, include: Rack (1); The walking device (3) is vertically mounted at the lower end of the frame (1); The first hydraulic cylinder (2) is located between the frame (1) and the traveling device (3) and is used to drive the lifting and lowering of the traveling device (3); The lifting assembly (5) is mounted on the upper end of the frame (1) in a height-adjustable manner; The second hydraulic cylinder (4) is located between the frame (1) and the lifting assembly (5) and is used to drive the lifting assembly (5) to lift. The support component (6) is swayably mounted on the upper end of the lifting component (5); The lifting assembly (5) includes: Top frame (51); A guide post (52) is provided at the lower end of the top frame (51), and the guide post (52) is slidably connected to the frame (1); The support component (6) includes: A swing frame (61) is swayably mounted on the upper end of the top frame (51); Support rollers (62) are rotatably mounted at both ends of the swing frame (61); The support component (6) is provided with a clamping component (63); The clamping assembly (63) includes: A horizontal rail (6301) is provided on the swing frame (61); A slide block (6302) is slidably sleeved on a horizontal rail (6301), and there are two slide blocks (6302); The clamping roller (6303) is rotatably mounted on the upper end of the slide block (6302); The third hydraulic cylinder (6304) is disposed between the two slide blocks (6302); The horizontal rail (6301) has a sealed cavity inside, which is filled with fluid; The clamping assembly (63) further includes: The slider (6308) is slidably disposed in the cavity of the horizontal rail (6301); An inner hole (6309) is formed on the slider (6308), and the inner hole (6309) extends laterally through the slider (6308); A first magnet (6310) is disposed on the slider (6308); The second magnet (6311) is disposed on the slide (6302), and the second magnet (6311) is magnetically attracted to the first magnet (6310).

2. The self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment according to claim 1, characterized in that, The third hydraulic cylinder (6304) is a single-acting hydraulic cylinder; The piston rod of the second oil cylinder (4) has a through hole (41). The lower end of the through hole (41) is connected to the cavity of the second oil cylinder (4). The upper end of the through hole (41) is connected to the oil port of the third oil cylinder (6304) through a one-way valve (6306) and a sequence valve (6307) arranged in parallel.

3. The self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment according to claim 1, characterized in that, An encoder (54) is provided between the swing frame (61) and the top frame (51), and the encoder (54) detects the swing angle of the swing frame (61).

4. The intelligent disassembly and assembly overhead crane lifting equipment for self-propelled oil drilling derricks according to claim 1, characterized in that, The top frame (51) is provided with a first buffer block (53), and the support roller (62) can press on the first buffer block (53).

5. The self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment according to claim 1, characterized in that, A displacement sensor (64) is provided on the swing frame (61), and the displacement sensor (64) detects the position of the slide (6302).

6. The self-propelled oil drilling derrick intelligent disassembly and assembly overhead crane lifting equipment according to claim 1, characterized in that, The horizontal rail (6301) is provided with second buffer blocks (6305) at both ends, and the slide (6302) can press on the second buffer blocks (6305).

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