A protective device for safe disassembly and assembly of oil drilling rig derrick

Abstract

The utility model relates to the technical field of protective devices, and discloses a protective device for safe disassembly and assembly of a petroleum drilling rig derrick, comprising a derrick body, an auxiliary lifting mechanism is arranged on the left side of the derrick body, and a disassembly and assembly protective mechanism is arranged on the right side of the derrick body. The protective device for safe disassembly and assembly of the petroleum drilling rig derrick is used by workers to wear the connected safety clothing before entering the box. When the worker falls accidentally due to disassembly and assembly of the petroleum drilling rig derrick, the elastic belt will pull the worker to prevent him from falling. The telescopic rod and the rotating seat can increase the buffer to avoid injuries caused by the worker's sudden fall. When the lifting steel cable breaks due to an accident, the damping, hydraulic rod and spring three can provide shock absorption and buffering for the falling of the box. The double-headed rotating block presses the rotating arm downward. Under the action of spring two, the buffering capacity is strengthened, and the safety of the protective device during disassembly and assembly of the petroleum drilling rig derrick is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to a protective device used for safe disassembly and assembly of a petroleum drilling rig derrick. Background Art

[0002] The drilling derrick is the main equipment component of the oil drilling rig and needs to bear the weight of the drill string downhole. During the installation and disassembly of the oil drilling rig derrick, protective devices need to be used to ensure the safety of the oil drilling rig derrick during the installation and disassembly process.

[0003] According to the description of a protective device for safe disassembly and assembly of a petroleum drilling rig mast disclosed on the patent website (authorization announcement number: CN 211688171 U), "The utility model discloses a protective device for safe disassembly and assembly of a petroleum drilling rig mast, including a drilling rig mast body assembly, a shell assembly and a rope assembly, a slide rail is welded on the right side of the outer wall of the frame, and the slide rail is slidably connected with a first magnetic wheel and a second magnetic wheel, a slide rod is welded on the bottom of the inner cavity of the box body, and both sides of the outer wall of the slide rod are slidably connected with sliders, the top bolts of the slider are connected with a hydraulic cylinder, and the top of the connecting block is welded with a cross plate. The utility model makes the protective device for safe disassembly and assembly more safely move up and down on the derrick through the design of the box body, magnetic wheel, slide rail, wire rope and rotating shaft frame, and the design of the hydraulic cylinder, slider and slide rod designed inside the box body makes the workers more cushioning and elastic when they are in the box body, and the design of the box body makes the workers safer when disassembling and assembling the derrick."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, the steel wire rope can drive the box to slide up and down to install and disassemble the derrick by rotating the rotating shaft, and the hydraulic cylinder can provide cushioning and elasticity when the workers are inside the box, so as to ensure the safety of the workers when disassembling the derrick. However, in actual use, when the workers are installing and disassembling the derrick, in order to facilitate installation and disassembly, the workers will extend their bodies into the box. When the workers are not careful, they will accidentally fall off the box and fall to the ground, causing life-threatening danger. Therefore, it is necessary to improve a protective device for safe disassembly and assembly of oil rig derricks to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a protective device for the safe disassembly and assembly of a petroleum drilling rig derrick, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for safe disassembly and assembly of an oil drilling rig derrick, comprising a derrick body, an auxiliary lifting mechanism is arranged on the left side of the derrick body, and a disassembly and assembly protective mechanism is arranged on the right side of the derrick body.

[0008] The disassembly and assembly protection mechanism comprises an anti-falling component and a falling buffer component, and the falling buffer component is arranged at the bottom of the anti-falling component.

[0009] Preferably, the auxiliary lifting mechanism includes a steel cable limiting seat, the steel cable limiting seat is fixedly installed on the top of the derrick body, a lifting steel cable is movably installed outside the steel cable limiting seat, a movable guide rail is fixedly installed on the right side of the derrick body, a movable wheel frame is movably installed inside the movable guide rail, a steel cable winding rod is fixedly installed on the end of the lifting steel cable away from the movable wheel frame, a transmission wheel 1 is fixedly installed on the front of the steel cable winding rod, a transmission belt is installed on the external transmission of the transmission wheel 1, a transmission wheel 2 is installed on the internal transmission of the transmission belt, and a motor is fixedly installed on the back of the transmission wheel 2, so as to facilitate lifting the box body by the auxiliary lifting mechanism.

[0010] Preferably, a mounting frame is provided on the outside of the wire rope winding rod, and the wire rope winding rod is rotatably mounted inside the mounting frame provided inside the wire rope winding rod, so that the wire rope winding rod can be used to wind up and lift the wire rope under normal conditions.

[0011] Preferably, the anti-fall assembly includes a steel cable connecting seat, the steel cable connecting seat is fixedly installed on one end of the lifting steel cable close to the moving wheel frame, a box is fixedly installed on the bottom of the steel cable connecting seat, a supporting frame is fixedly installed on the inner side of the bottom of the box, a telescopic rod is fixedly installed on the inner side of the top of the box, a rotating seat is rotatably installed on the bottom of the telescopic rod, a spring is provided on the outside of the telescopic rod, an elastic belt is rotatably installed on the inside of the rotating seat, and a safety garment is fixedly installed on the right side of the elastic belt, so as to prevent workers from falling and getting injured through the anti-fall assembly.

[0012] Preferably, a rotating block is provided at the end of the elastic belt away from the safety clothing, and the rotating block provided at the end of the elastic belt away from the safety clothing is rotatably installed inside the rotating seat, and the left side of the box body is fixedly installed on the right side of the movable wheel frame, so as to facilitate the lifting and lowering of the box body under normal conditions.

[0013] Preferably, the fall buffer assembly includes a bottom box, which is slidably mounted on the box body, a double-headed rotating block is fixedly mounted on the bottom of the box body, a rotating arm is rotatably mounted inside the double-headed rotating block, a sliding block is rotatably mounted on one end of the rotating arm away from the double-headed rotating block, a limit rod seat is slidably mounted inside the slider, a second spring is arranged on the outside of the limit rod seat, a damper is fixedly mounted on the bottom of the box body and the inner side of the bottom of the bottom box, a hydraulic rod is fixedly mounted on the inner side of the damper, and a third spring is arranged on the outside of the hydraulic rod, so as to provide buffering when the box body falls through the fall buffer assembly.

[0014] Preferably, the bottom of the limit rod seat is fixedly mounted on the inner side of the bottom of the bottom box, a limit strip is provided on the inner side of the bottom of the bottom box, and the slider is slidably mounted on the outside of the limit strip provided on the inner side of the bottom of the bottom box, thereby improving stability.

[0015] Compared with the prior art, the utility model provides a protective device for safe disassembly and assembly of a petroleum drilling rig derrick, which has the following beneficial effects:

[0016] 1. The protective device for the safe disassembly and assembly of the oil rig derrick has a disassembly and assembly protection mechanism. During use, the worker wears the connected safety clothing before entering the box. When the disassembly and assembly of the oil rig derrick causes an accidental fall, the elastic belt will pull the worker to prevent him from falling. The telescopic rod and the rotating seat can increase the buffer to avoid injuries caused by the sudden fall of the worker. The rotating rotating seat can enable the worker to work normally. When the lifting steel cable breaks due to an accident, the set damping, hydraulic rod and spring three can provide shock absorption and buffering for the fall of the box. The double-headed rotating block presses the rotating arm downward to make the slider slide on the outside of the limit rod seat. Under the action of the spring two, the buffering capacity is enhanced, and the safety of the protective device during the disassembly and assembly of the oil rig derrick is improved.

[0017] 2. The protective device for safe disassembly and assembly of the oil drilling rig derrick, through the auxiliary lifting mechanism, drives the motor to rotate the transmission wheel 2 during use. Under the drive of the transmission belt, the transmission wheel 1 drives the steel cable winding rod to rotate, wind up the lifting steel cable, and make the lifting steel cable pull the steel cable connecting seat, so that the box can rise. At this time, the workers can disassemble and assemble the oil drilling rig derrick inside the box, realizing the function of auxiliary box lifting for disassembly and assembly of the derrick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a partial cross-sectional structural diagram of the disassembly and assembly protection mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the appearance and structure of the anti-fall component of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance and structure of the fall buffer component of the utility model;

[0023] Figure 5 The figure is a schematic diagram of the exploded appearance structure of the auxiliary pulling mechanism of the utility model.

[0024] In the figure: 1. derrick body; 2. auxiliary lifting mechanism; 21. steel cable limit seat; 22. lifting steel cable; 23. moving guide rail; 24. moving wheel frame; 25. steel cable winding rod; 26. driving wheel one; 27. driving belt; 28. driving wheel two; 29. ​​motor; 3. disassembly and assembly protection mechanism; 31. anti-fall component; 311. steel cable connecting seat; 312. box body; 313. supporting frame; 314. telescopic rod; 315. rotating seat; 316. spring one; 317. elastic belt; 318. connecting safety clothing; 32. falling buffer component; 321. bottom box; 322. double-head rotating block; 323. rotating arm; 324. sliding block; 325. limit rod seat; 326. spring two; 327. damping; 328. hydraulic rod; 329. spring three. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4 The utility model provides a technical solution: a protective device for safe disassembly and assembly of a petroleum drilling rig derrick, comprising a derrick body 1, an auxiliary lifting mechanism 2 is arranged on the left side of the derrick body 1, and a disassembly and assembly protective mechanism 3 is arranged on the right side of the derrick body 1.

[0029] The disassembly and assembly protection mechanism 3 includes an anti-falling component 31 and a falling buffer component 32 . The falling buffer component 32 is arranged at the bottom of the anti-falling component 31 .

[0030] Furthermore, the anti-fall component 31 includes a steel cable connecting seat 311, which is fixedly installed on one end of the lifting steel cable 22 close to the moving wheel frame 24, a box body 312 is fixedly installed on the bottom of the steel cable connecting seat 311, a supporting frame 313 is fixedly installed on the inner side of the bottom of the box body 312, a telescopic rod 314 is fixedly installed on the inner side of the top of the box body 312, a rotating seat 315 is rotatably installed on the bottom of the telescopic rod 314, a spring 316 is provided on the outside of the telescopic rod 314, an elastic belt 317 is rotatably installed inside the rotating seat 315, and a safety clothing 318 is fixedly installed on the right side of the elastic belt 317, so as to prevent workers from falling and getting injured through the anti-fall component 31.

[0031] Furthermore, a rotating block is provided at one end of the elastic band 317 away from the connection with the safety clothing 318, and the rotating block provided at one end of the elastic band 317 away from the connection with the safety clothing 318 is rotatably installed inside the rotating seat 315, and the left side of the box body 312 is fixedly installed on the right side of the movable wheel frame 24, so as to facilitate the lifting and lowering of the box body 312 under normal conditions.

[0032] Furthermore, the fall buffer assembly 32 includes a bottom box 321, which is slidably mounted on the box body 312, and a double-headed rotating block 322 is fixedly mounted on the bottom of the box body 312, and a rotating arm 323 is rotatably mounted inside the double-headed rotating block 322, and a slider 324 is rotatably mounted on the end of the rotating arm 323 away from the double-headed rotating block 322, and a limiting rod seat 325 is slidably mounted inside the slider 324, and a spring 2 326 is arranged on the outside of the limiting rod seat 325, and a damper 327 is fixedly mounted on the inner side of the bottom of the box body 312 and the bottom of the bottom box 321, and a hydraulic rod 328 is fixedly mounted on the inner side of the damper 327, and a spring 329 is arranged on the outside of the hydraulic rod 328, so as to provide buffering when the box body 312 falls through the fall buffer assembly 32.

[0033] Furthermore, the bottom of the limiting rod seat 325 is fixedly installed on the bottom inner side of the bottom box 321, a limiting strip is set on the bottom inner side of the bottom box 321, and the slider 324 is slidably installed on the outside of the limiting strip set on the bottom inner side of the bottom box 321, thereby improving stability.

[0034] Embodiment 2:

[0035] See also Figure 5 , and combined with Example 1, it is further obtained that the auxiliary pulling mechanism 2 includes a steel cable limiting seat 21, the steel cable limiting seat 21 is fixedly installed on the top of the derrick body 1, and a pulling steel cable 22 is movably installed outside the steel cable limiting seat 21, a movable guide rail 23 is fixedly installed on the right side of the derrick body 1, and a movable wheel frame 24 is movably installed inside the movable guide rail 23, and a steel cable winding rod 25 is fixedly installed at one end of the pulling steel cable 22 away from the movable wheel frame 24, and a transmission wheel 26 is fixedly installed on the front of the steel cable winding rod 25, and a transmission belt 27 is installed on the external transmission of the transmission wheel 26, and a transmission wheel 28 is installed on the internal transmission of the transmission belt 27, and a motor 29 is fixedly installed on the back of the transmission wheel 28, so as to facilitate the lifting of the box body 312 by the auxiliary pulling mechanism 2.

[0036] Furthermore, a mounting frame is provided on the outside of the wire rope winding roller 25, and the wire rope winding roller 25 is rotatably mounted inside the mounting frame provided inside the wire rope winding roller 25, so that the wire rope winding roller 25 can wind up and lift the wire rope 22 under normal conditions.

[0037] In actual operation, when the device is used, before entering the box 312, the worker wears the connecting safety clothing 318, drives the motor 29, rotates the transmission wheel 28, and under the transmission of the transmission belt 27, the transmission wheel 1 26 drives the cable winding rod 25 to rotate, winds up the lifting cable 22, and makes the lifting cable 22 pull the cable connecting seat 311, so that the box 312 can rise. At this time, the worker can disassemble and assemble the oil rig derrick inside the box 312. When the worker falls accidentally due to the disassembly and assembly of the oil rig derrick, the elastic belt 317 will pull the worker to prevent him from falling. The telescopic rod 314 and the rotating seat 315 can increase the buffering to avoid injuries caused by sudden falls of workers. The rotating rotating seat 315 can enable workers to work normally. When the lifting cable 22 breaks due to an accident, the set damping 327, hydraulic rod 328 and spring three 329 can provide shock absorption and buffering for the fall of the box body 312. The double-headed rotating block 322 presses the rotating arm 323 downward to make the slider 324 slide on the outside of the limit rod seat 325. Under the action of the spring two 326, the buffering capacity is enhanced, and the safety of the protective device during the disassembly and assembly of the oil rig derrick is improved.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A protective device for safe disassembly and assembly of a petroleum drilling rig derrick, comprising a derrick body (1), characterized in that: An auxiliary lifting mechanism (2) is provided on the left side of the derrick body (1), and a disassembly and assembly protection mechanism (3) is provided on the right side of the derrick body (1); The disassembly and assembly protection mechanism (3) comprises an anti-falling component (31) and a falling buffer component (32), wherein the falling buffer component (32) is arranged at the bottom of the anti-falling component (31); The auxiliary lifting mechanism (2) comprises a steel cable limiting seat (21), the steel cable limiting seat (21) is fixedly mounted on the top of the derrick body (1), a lifting steel cable (22) is movably mounted outside the steel cable limiting seat (21), a movable guide rail (23) is fixedly mounted on the right side of the derrick body (1), a movable wheel frame (24) is movably mounted inside the movable guide rail (23), a steel cable winding rod (25) is fixedly mounted on one end of the lifting steel cable (22) away from the movable wheel frame (24), a transmission wheel 1 (26) is fixedly mounted on the front of the steel cable winding rod (25), a transmission belt (27) is mounted on the external transmission of the transmission wheel 1 (26), a transmission wheel 2 (28) is mounted on the internal transmission of the transmission belt (27), and a motor (29) is fixedly mounted on the back of the transmission wheel 2 (28); The anti-falling component (31) comprises a steel cable connecting seat (311), wherein the steel cable connecting seat (311) is fixedly mounted on one end of the lifting steel cable (22) close to the moving wheel frame (24), a box body (312) is fixedly mounted on the bottom of the steel cable connecting seat (311), a supporting frame (313) is fixedly mounted on the inner side of the bottom of the box body (312), a telescopic rod (314) is fixedly mounted on the inner side of the top of the box body (312), a rotating seat (315) is rotatably mounted on the bottom of the telescopic rod (314), a spring (316) is arranged on the outside of the telescopic rod (314), an elastic belt (317) is rotatably mounted on the inside of the rotating seat (315), and a safety garment (318) is fixedly mounted on the right side of the elastic belt (317).

2. A protective device for safe disassembly and assembly of a petroleum drilling rig mast according to claim 1, characterized in that: A mounting frame is arranged outside the steel cable winding roller (25), and the steel cable winding roller (25) is rotatably mounted inside the mounting frame arranged inside the steel cable winding roller (25).

3. A protective device for safe disassembly and assembly of a petroleum drilling rig mast according to claim 1, characterized in that: A rotating block is provided at one end of the elastic band (317) away from the safety clothing (318), and the rotating block provided at the end of the elastic band (317) away from the safety clothing (318) is rotatably mounted inside the rotating seat (315), and the left side of the box body (312) is fixedly mounted to the right side of the moving wheel frame (24).

4. A protective device for safe disassembly and assembly of a petroleum drilling rig mast according to claim 1, characterized in that: The fall buffer assembly (32) comprises a bottom box (321), the bottom box (321) is slidably mounted on a box body (312), a double-headed rotating block (322) is fixedly mounted on the bottom of the box body (312), a rotating arm (323) is rotatably mounted inside the double-headed rotating block (322), a sliding block (324) is rotatably mounted on one end of the rotating arm (323) away from the double-headed rotating block (322), a limiting rod seat (325) is slidably mounted inside the sliding block (324), a second spring (326) is arranged outside the limiting rod seat (325), a damper (327) is fixedly mounted on the bottom of the box body (312) and the inner side of the bottom of the bottom box (321), a hydraulic rod (328) is fixedly mounted on the inner side of the damper (327), a third spring (329) is arranged outside the hydraulic rod (328).

5. A protective device for safe disassembly and assembly of a petroleum drilling rig mast according to claim 4, characterized in that: The bottom of the limiting rod seat (325) is fixedly mounted on the inner side of the bottom of the bottom box (321), a limiting strip is arranged on the inner side of the bottom of the bottom box (321), and the sliding block (324) is slidably mounted on the outside of the limiting strip arranged on the inner side of the bottom of the bottom box (321).

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