CN219023067U

CN219023067U - Anti-falling suspension device for dismounting and mounting drilling machine platform

Info

Publication number: CN219023067U
Application number: CN202223002870.1U
Authority: CN
Inventors: 张民锋
Original assignee: Tianjin Binhai New Area Dagang Xinghuoyuan Industry And Trade Co ltd
Current assignee: Tianjin Binhai New Area Dagang Xinghuoyuan Industry And Trade Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-16
Anticipated expiration: 2032-11-09

Abstract

The utility model provides a falling-preventing suspension device for dismounting a drilling rig platform, relates to the technical field of oil drilling, and aims to solve the technical problem that an accident of falling of personnel possibly occurs because a safety suspension point is not arranged on the existing drilling rig platform. The device comprises a base, a threaded rod, a supporting component and a vertical rod, wherein an accommodating cavity with an opening at the top is arranged in the base, a limiting structure is arranged on the outer surface of the base, and a connecting rod mounting sleeve is arranged in the limiting structure; the threaded rod is fixedly connected to the bottom of the base, and a supporting nut is arranged on the threaded rod; hanging lugs are arranged on the vertical rods, and the vertical rods extend into the accommodating cavities; the support assemblies comprise a plurality of support connecting rods, a lower support connecting rod and a support bending plate, wherein the support connecting rods are uniformly distributed along the circumferential direction of the base, one end of each upper support connecting rod is connected with the connecting rod mounting sleeve, and the other end of each upper support connecting rod is connected with the support bending plate; one end of the lower support connecting rod is connected with the support nut, and the other end of the lower support connecting rod is connected with the support bending plate.

Description

Anti-falling suspension device for dismounting and mounting drilling machine platform

Technical Field

The utility model relates to the technical field of oil drilling, in particular to a falling-preventing suspension device for dismounting a drilling machine platform.

Background

At present, when an oil rig is transferred and moved, a drilling derrick is required to be disassembled and transported, an operator can disassemble and install the derrick at a drilling floor, and the operator also needs to operate at the edge of a platform.

The applicant found that the prior art has at least the following technical problems:

the drilling machine platform is not provided with a safe hanging point, so that operators are easy to generate fear psychology, and accidents of falling of the operators are more likely to happen, so that serious personal injury is caused.

Disclosure of Invention

The utility model aims to provide a falling-preventing suspension device for dismounting a drilling rig platform, which aims to solve the technical problems that in the prior art, no safe suspension point exists on the drilling rig platform, operators easily generate fear psychology, and are more likely to generate unexpected falling accidents of the operators, so that serious personal injury is caused _。 The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a falling-preventing suspension device for dismounting a drilling machine platform, which comprises a base, a threaded rod, a supporting component and a vertical rod, wherein:

the base is internally provided with an accommodating cavity with an opening at the top, the outer surface of the base is provided with a limiting structure, and the limiting structure is internally provided with a connecting rod mounting sleeve;

the threaded rod is fixedly connected to the bottom of the base, and a supporting nut is arranged on the threaded rod;

a hanging lug is arranged on the vertical rod, and one end of the vertical rod extends into the accommodating cavity along the opening;

the support assembly includes a plurality of, follows the circumference evenly distributed of base, every support assembly all includes support connecting rod, lower support connecting rod and supports the bent plate, wherein:

one end of the upper supporting connecting rod is connected with the connecting rod mounting sleeve, and the other end of the upper supporting connecting rod is connected with the supporting bent plate; one end of the lower support connecting rod is connected with the support nut, and the other end of the lower support connecting rod is connected with the support bending plate.

Preferably, the limit structure comprises an upper limit ring and a lower limit ring, wherein:

the connecting rod mounting sleeve is arranged between the upper limiting ring and the lower limiting ring;

and a plurality of first lug grooves are circumferentially distributed along the outer wall of the connecting rod mounting sleeve and are used for connecting the upper supporting connecting rod through a connecting piece.

Preferably, the cross section of going up the support connecting rod is trapezium structure, go up the wide portion of support connecting rod through the round pin axle with first ear groove is connected, go up the narrow portion of support connecting rod through the round pin axle with support the third ear groove on the bent plate and be connected, wherein:

the top end of the wide part is cut into a limiting surface with an upper inclined shape and a limiting surface with a lower inclined shape along the central line, and the limiting surface is used for limiting the rotation angle of the upper support connecting rod;

the top end of the narrow part is arc-shaped.

Preferably, the hook-shaped structure is formed along the end part of the first ear groove to the outer side of the first ear groove and extend downwards, wherein:

a plurality of limit holes are distributed on the hook-shaped structure;

the section of the upper support connecting rod adopts a round corner rectangular structure, and a plurality of connecting holes are formed in the upper support connecting rod and are used for limiting the rotating angle of the upper support connecting rod through connecting pieces and limiting holes.

Preferably, a plurality of second ear grooves are circumferentially distributed along the outer wall of the support nut, and the cross section of the lower support connecting rod is of a rounded rectangular structure, wherein:

and two ends of the lower support connecting rod are respectively connected with the second lug grooves and the fourth lug grooves arranged on the support bending plate through pin shafts.

Preferably, further comprising a handle, wherein:

the handle adopts an L-shaped structure, is connected to the outer surface of the base and is positioned above the limiting structure.

Preferably, the concave surface of the supporting bending plate faces the well wall, and the supporting bending plate comprises a first plate structure and a second plate structure which are arranged at an obtuse angle, wherein:

the length of the first plate structure is not less than the length of the second plate structure.

Preferably, further comprising a bushing structure, wherein:

the bushing structure is arranged on the inner wall of the accommodating cavity.

Preferably, the device further comprises an anti-drop structure, wherein:

the anti-falling structure is fixedly connected to the bottom of the threaded rod.

Preferably, a water drain hole is arranged at the bottom of the accommodating cavity.

According to the dismounting and mounting characteristics of the drilling machine platform, the large tile shape of the wellhead turntable is utilized, a plurality of support assemblies are arranged on the periphery of a base, each support assembly comprises an upper support connecting rod, a lower support connecting rod and a support bent plate, a connecting rod mounting sleeve is arranged on the periphery of the base, a threaded rod connected with a support nut is arranged at the bottom of the base, one end of the upper support connecting rod is connected with the connecting rod mounting sleeve, the other end of the upper support connecting rod is connected with the support bent plate, one end of the lower support connecting rod is connected with the support nut, and the other end of the lower support connecting rod is connected with the support bent plate. When the device is used, the device is put into the well from the well mouth, the connecting position of the supporting nut on the threaded rod is changed by rotating the base upwards, the extension length of the upper supporting connecting rod and the extension length of the lower supporting connecting rod are further changed, and the upper conical surface and the lower conical surface of the supporting bent plate and the square tile wall are tightly attached in a rotary expansion supporting mode, so that the supporting bent plate cannot move up and down, and the purpose of fixing is achieved. Then the vertical rod is inserted into the accommodating cavity of the base, and the hanging lugs arranged on the vertical rod are connected with the anti-falling device and the safety belt, so that the high hanging and low use of the safety belt can be realized, and the safety belt has the characteristics of being rapid in operation, convenient to use, firm, reliable and the like.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first embodiment of a removable fall arrest suspension of a rig floor according to the present utility model;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 in use;

FIG. 4 is a schematic top view of the mounting sleeve of a first embodiment of the removable fall arrest suspension of the rig floor of the present utility model;

FIG. 5 is a schematic view of the construction of a first section of upright post in the anti-fall suspension assembly and disassembly of the rig floor of the present utility model;

FIG. 6 is a schematic view of the construction of a second leg of the anti-fall suspension assembly of the rig floor of the present utility model;

FIG. 7 is a schematic top view of the hanger of FIG. 6;

FIG. 8 is a schematic view of the structure of the attachment of the base to the threaded rod of the anti-fall suspension assembly of the rig floor of the present utility model;

FIG. 9 is a schematic top view of the support nut of the anti-fall suspension assembly and disassembly of the rig floor of the present utility model;

FIG. 10 is a schematic view of the structure of an upper support link in a first embodiment of the removable fall arrest suspension of the rig floor of the present utility model;

FIG. 11 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 12 is a state diagram of the support assembly of the drilling rig floor of the present utility model during operation of the anti-fall suspension assembly;

FIG. 13 is another state diagram of the support assembly of the drill platform of the present utility model during operation of the anti-fall suspension assembly;

FIG. 14 is a schematic view of the structure of a support bend plate in the anti-fall suspension assembly and disassembly of the rig floor of the present utility model;

FIG. 15 is a schematic structural view of a second embodiment of a drop-preventing suspension device for dismounting a rig floor according to the utility model

FIG. 16 is a schematic view of the construction of the connecting rod mounting sleeve of the anti-fall suspension assembly and disassembly of the rig floor of the present utility model;

fig. 17 is a schematic top view of fig. 16.

In the figure: 1. a base; 10. a receiving cavity; 101. a water discharge hole; 11. a limit structure; 111. an upper limit ring; 112. a lower limit ring; 2. a threaded rod; 3. a support assembly; 31. an upper support link; 311. an upper inclined limiting surface; 312. a downward-inclined limiting surface; 32. a lower support link; 33. supporting the bending plate; 331. a first plate structure; 3310. a third ear groove; 332. a second plate structure; 3320. a fourth ear groove; 4. a vertical rod; 41. a first section of upright posts; 42. a second section of upright posts; 40. hanging lugs; 400. positioning holes; 5. a mounting sleeve; 50. a first ear groove; 500. a hook-like structure; 501. a limiting hole; 6. a support nut; 60. a second ear groove; 7. a handle; 8. a bushing structure; 9. an anti-falling structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

In the description of the present utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

Example 1

The utility model provides a falling-preventing suspension device for dismounting a drilling machine platform, which is characterized in that fig. 1 is a structural schematic diagram of the embodiment, fig. 2 is a top-view structural schematic diagram of fig. 1, and fig. 3 is a structural schematic diagram of the embodiment when the embodiment is used, and the falling-preventing suspension device comprises a base 1, a threaded rod 2, a supporting component 3 and a vertical rod 4, as shown in fig. 1-3.

Wherein, the base 1 is provided with a holding cavity 10 with an open top for holding the upright rod 4. In the embodiment, the base 1 is formed by welding and plugging a stainless steel round tube and the bottom. The outer surface of the base 1 is provided with a limit structure 11, and a connecting rod installation sleeve 5 is arranged in the limit structure 11. The limiting structure 11 is used for placing the link mounting sleeve 5 therein so that the base 1 can rotate within the link mounting sleeve 5.

In this embodiment, the limiting structure 11 includes an upper limiting ring 111 and a lower limiting ring 112, where the upper limiting ring 111 and the lower limiting ring 112 are both welded on the outer wall of the base 1, a limiting groove is formed between the upper limiting ring 111 and the lower limiting ring 112, and the mounting sleeve 5 is limited in the limiting groove for the base 1 to rotate in the mounting sleeve 5.

Fig. 4 is a schematic top view of the mounting sleeve in this embodiment, as shown in fig. 4, a plurality of first ear grooves 50 are circumferentially distributed along the outer wall of the connecting rod mounting sleeve 5, and are used for connecting the upper support connecting rod 31 through a connecting member, in this embodiment, a pin shaft is used as the connecting member.

The hanging lugs 40 are arranged on the vertical rods 4, one ends of the vertical rods 4 extend into the accommodating cavity 10 along the openings, and the hanging lugs 40 are arranged on the vertical rods 4 and are used for being connected with the anti-falling device and the safety belt to achieve the effect of high hanging and low use of the safety belt.

Specifically, in this embodiment, the upright rod 4 is formed by connecting two aluminum alloy round tubes, fig. 5 is a schematic structural diagram of a first section of upright rod in this embodiment, fig. 6 is a schematic structural diagram of a second section of upright rod in this embodiment, fig. 7 is a schematic structural diagram of a hanging ear in fig. 6, and as shown in fig. 5-7, the two aluminum alloy round tubes are respectively a first section of upright rod 41 and a second section of upright rod 42, and are connected by a stainless steel sleeve in a threaded manner, sleeved with a depth of not less than 120mm, and are fixed by a fixing pin passing through a positioning hole 400. And, set up two hangers in the upper end of pole setting 4, two hangers are used for connecting anti-falling device and safety belt.

Of course, in actual use, the upright rod 4 can be formed by connecting one or more pipes according to the use requirement, so that the safety and stability of the hanging lugs 40 in use can be ensured to meet the requirement.

In this embodiment, the threaded rod 2 is fixedly connected to the bottom of the base 1, and a support nut 6 is disposed on the threaded rod 2.

Fig. 8 is a schematic view of the structure of the connection of the base and the threaded rod in the present embodiment, fig. 9 is a schematic view of the top view of the support nut, and as shown in fig. 8 and 9, a left-handed locking threaded rod is welded and fixed at the bottom center of the base 1 so that the left-handed locking threaded rod is perpendicular to the axis of the base 1, and the support nut 6 is installed at the lower portion of the left-handed locking threaded rod, and a second ear groove 60 is provided on the outer wall of the support nut 6.

The support assemblies 3 include a plurality of support links 31, a lower support link 32, and a support bent plate 33, which are uniformly distributed along the circumferential direction of the base 1, each support assembly 3 including a plurality of support members. In this embodiment, the support assembly 3 is provided with four support assemblies, so that the stress is more uniform, and the use is more stable and convenient.

Wherein, one end of the upper support connecting rod 31 is connected with the connecting rod installation sleeve 5, the other end of the upper support connecting rod 31 is connected with the support bending plate 33, one end of the lower support connecting rod 32 is connected with the support nut 6, and the other end of the lower support connecting rod 32 is connected with the support bending plate 33. Specifically, a third ear groove 3310 is welded to the upper portion of the inner plate surface of the support bent plate 33 for connection with the upper support link 31, and a fourth ear groove 3320 is welded to the lower portion of the inner plate surface of the support bent plate 33 for connection with the lower support link 32.

This drilling machine platform dismouting is prevented hanging device that falls utilizes well head carousel big tile shape according to drilling machine platform dismantlement installation characteristics, through setting up a plurality of supporting component 3 in the periphery of base 1, every supporting component 3 all includes support connecting rod 31, lower support connecting rod 32 and support bent plate 33, set up connecting rod installation cover 5 in the periphery of base 1, set up the threaded rod of connecting support nut 6 in the bottom of base 1, the one end of going up support connecting rod 31 is connected with connecting rod installation cover 5, the other end of going up support connecting rod 31 is connected with support bent plate 33, the one end of lower support connecting rod 32 is connected with support nut 6, the other end of lower support connecting rod 32 is connected with support bent plate 33. When the device is used, the device is put in from a wellhead, the connecting position of the support nut 6 on the threaded rod 2 is changed by rotating the base 1 upwards, the extension length of the upper support connecting rod 31 and the lower support connecting rod 32 is further changed, and the support bending plate 33 is tightly attached to the upper conical surface and the lower conical surface of the square tile wall in a rotary expansion support mode, so that the support bending plate cannot move up and down, and the purpose of fixing is achieved. Then the vertical rod 4 is inserted into the accommodating cavity 10 of the base 1, and the hanging lugs 40 arranged on the vertical rod 4 are connected with the anti-falling device and the safety belt, so that the high hanging and the low hanging of the safety belt are realized, and the safety belt has the characteristics of being rapid in operation, convenient to use, firm, reliable and the like.

As an alternative embodiment, fig. 10 is a schematic structural diagram of an upper support link in this embodiment, as shown in fig. 10, in this embodiment, a cross section of the upper support link 31 is configured to be a trapezoid structure, a wide portion of the upper support link 31 is connected to the first ear groove 50 through a pin, and a narrow portion of the upper support link 31 is connected to the third ear groove 3310 on the support bending plate 33 through a pin.

Fig. 11 is an enlarged schematic structural diagram of the position a in fig. 1, as shown in fig. 11, the top end of the wide portion is cut along the central line to include an upper inclined limiting surface 311 and a lower inclined limiting surface 312, where one end of the wide portion is connected to the first ear groove 50 through a pin shaft, for limiting the rotation angle of the upper support link 31, when the upper support link 31 swings downward, the lower inclined limiting surface 312 abuts against the bottom surface of the first ear groove 50, and when the upper support link 31 swings upward, the upper inclined limiting surface 311 also abuts against the bottom surface of the first ear groove 50 of the link installation sleeve 5, so that the vertical movement range of the upper support link is limited to about 10 degrees.

The top of the narrow portion is arc-shaped, one end of the narrow portion is mounted on the third ear groove 3310 through a pin shaft, and when the supporting bent plate 33 expands outwards, the upper supporting connecting rod 31 plays a limiting role.

As an alternative embodiment, a plurality of second ear grooves 60 are circumferentially distributed along the outer wall of the support nut 6, and the cross section of the lower support link 32 is a rounded rectangular structure. Wherein, both ends of the lower support link 32 are respectively connected with the second ear groove 60 and the fourth ear groove 3320 arranged on the support bending plate 33 through pin shafts to form an expansion support mechanism.

As an alternative embodiment, the utility model also comprises a handle 7, wherein the handle 7 adopts an L-shaped structure and is connected with the outer surface of the base 1 and is positioned above the limit structure.

The handle 7 is used for being convenient for lifting the base 1 upwards, lowering the base 1 downwards or rotating the base 1 through the handle 7 when in use, so that the whole structure is more convenient to use and adjust. The handle 7 may be provided to include two symmetrically disposed or four uniformly distributed along the outer surface of the base 1 according to actual use requirements.

In operation, as shown in fig. 12, the handle 7 is lifted up to automatically retract the lower part of the support assembly 3 inwards, and at the same time, the upper support link 31 swings slightly downwards, and the lower inclined limiting surface 312 abuts against the bottom surface of the first ear groove 50 to limit the upper part of the support assembly 3 downwards. Then, the base 1 is vertically inserted into the wellhead, the supporting bent plate 33 with the upper part in the expanding position is tightly attached to the upper edge of the wellhead, the base 1 is rotated by the handle 7, the threaded rod 2 at the bottom of the base 1 is driven to rotate in the supporting nut 6, and the supporting nut 6 drives the lower supporting connecting rod 32 and the lower part of the supporting bent plate 33 to expand outwards. Simultaneously, the upper supporting connecting rod 31 swings upwards slightly, and the upper inclined limiting surface 311 also abuts against the bottom surface of the first lug groove 50, so that the upper part of the supporting component 3 is limited upwards and can clamp the position of the conical surface at the upper part of the wellhead, and after the upper part is clamped, the lower part of the supporting bent plate 33 continues to expand until the lower part of the supporting bent plate is clamped to the position of the conical surface at the lower part of the wellhead, as shown in fig. 13.

As an alternative embodiment, fig. 14 is a schematic structural diagram of the supporting bending plate in this embodiment, and as shown in fig. 14, the concave surface of the supporting bending plate 33 faces the well wall, and the supporting bending plate 33 includes a first plate structure 331 and a second plate structure 332 disposed at an obtuse angle. The clamping of the upper conical surface of the wellhead through the first plate structure 331 is facilitated, and the clamping of the lower conical surface of the wellhead through the second plate structure 332 is facilitated. In the present embodiment, the length of the first plate structure 331 is not smaller than the length of the second plate structure 332.

As an alternative embodiment, a bushing structure 8 is further included, the bushing structure 8 being arranged on the inner wall of the receiving cavity 10. In this embodiment, the lining structure 8 adopts a nylon lining for avoiding collision and abrasion of the upright rod 4 in the accommodating cavity 10, and improving the stability of the upright rod 4 in the accommodating cavity 10 during use.

As an alternative embodiment, the screw rod 2 further comprises an anti-falling structure 9, and the anti-falling structure 9 is fixedly connected to the bottom of the screw rod 2. In this embodiment, the anti-falling pad is welded at the bottom of the threaded rod 2, so that the supporting nut is prevented from falling off from the bottom of the threaded rod 2 during use, and the stability of the device during use is improved.

As an alternative embodiment, the bottom of the accommodating cavity 10 is provided with the drain hole 101, and by providing the drain hole 101, the liquid in the base can be discharged from the drain hole 101, so that the liquid accumulation in the accommodating cavity 10 is avoided.

Example two

Fig. 15 is a schematic structural view of the present embodiment, and as shown in fig. 15, unlike the first embodiment, in the present embodiment, a hook-shaped structure 500 is formed along an end portion of the first ear groove 50 to extend outward and downward of the first ear groove 50.

Fig. 16 is a schematic structural view of the connecting rod mounting sleeve in the present embodiment, and fig. 17 is a schematic structural view in top view of fig. 16, wherein a plurality of limiting holes 501 are distributed on the hook-shaped structure 500 as shown in fig. 16 and 17; the cross section of the upper support connecting rod 31 adopts a round corner rectangular structure, and a plurality of connecting holes are formed in the upper support connecting rod 31 and used for limiting the rotation angle of the upper support connecting rod 31 through connection of the connecting pieces and the limiting holes 501.

Specifically, in this embodiment, the cross section of the upper support link 31 adopts a rounded rectangular structure, the corresponding first ear groove 50 provided on the outer wall of the link mounting sleeve 5 needs to be lengthened, and extends downward to be bent into a hook shape, and the hook-shaped structure 500 is provided with a limiting hole 501. One end of the upper support connecting rod 31 is installed on the first ear groove 50 through a pin shaft, and any limit hole 501 on the hook-shaped structure 500 can be connected with a connecting hole arranged on the upper support connecting rod 31 through a pin shaft, so that the upper support connecting rod has a limit function.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a drilling machine platform dismouting anti-falling linkage which characterized in that, including base, threaded rod, supporting component and pole setting, wherein:

2. The drilling rig floor assembly and disassembly fall arrest suspension of claim 1, wherein: the limit structure comprises an upper limit ring and a lower limit ring, wherein:

3. The drilling rig floor assembly and disassembly fall arrest suspension of claim 2, wherein: the cross section of going up the support connecting rod is trapezium structure, go up the wide portion of support connecting rod through the round pin axle with first ear groove is connected, go up the narrow portion of support connecting rod through the round pin axle with support the third ear groove on the bent plate and be connected, wherein:

the top end of the narrow part is arc-shaped.

4. The drilling rig floor assembly and disassembly fall arrest suspension of claim 2, wherein: along the tip in first ear groove to the outside in first ear groove and extend downwards, form and collude the column structure, wherein:

a plurality of limit holes are distributed on the hook-shaped structure;

5. The drilling rig floor assembly and disassembly fall arrest suspension apparatus of any one of claims 1-4, wherein: a plurality of second ear grooves are circumferentially distributed along the outer wall of the support nut, and the section of the lower support connecting rod is of a round corner rectangular structure, wherein:

6. The drilling rig floor assembly and disassembly fall arrest suspension apparatus of any one of claims 1-4, wherein: also include the handle, wherein:

7. The drilling rig floor assembly and disassembly fall arrest suspension apparatus of any one of claims 1-4, wherein: the concave surface of support bent plate is towards the wall of a well, support bent plate is including being the first plate structure and the second plate structure that the obtuse angle set up, wherein:

8. The drilling rig floor assembly and disassembly fall arrest suspension apparatus of any one of claims 1-4, wherein: also included is a bushing structure, wherein:

9. The drilling rig floor assembly and disassembly fall arrest suspension apparatus of any one of claims 1-4, wherein: still include anticreep structure, wherein:

10. The drilling rig floor assembly and disassembly fall arrest suspension apparatus of any one of claims 1-4, wherein: and a water drain hole is formed in the bottom of the accommodating cavity.