CN218953261U

CN218953261U - Safety power assisting device for heavy-load elevator

Info

Publication number: CN218953261U
Application number: CN202320096301.3U
Authority: CN
Inventors: 王子龙; 邓永义; 冉进; 王百峰; 杨晓风; 陈虹霓; 吴熙; 王剑南; 熊雪莲
Original assignee: Sinopec Oilfield Service Corp; Drilling Engineering Research Institute of Sinopec Southwest Petroleum Engineering Co Ltd
Current assignee: Sinopec Oilfield Service Corp; Drilling Engineering Research Institute of Sinopec Southwest Petroleum Engineering Co Ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-05-02
Anticipated expiration: 2033-02-01

Abstract

The utility model relates to the field of drilling auxiliary tools, and discloses a safety power assisting device for a heavy-load elevator, which comprises a bearing plate and a plurality of sliding mechanisms, wherein the bearing plate is provided with a plurality of sliding mechanisms; the sliding mechanisms are arranged on the bearing plate; the bearing plate is provided with a central hole matched with the wellhead; the sliding mechanism comprises an elastic supporting part and a sliding bearing; the lower end of the elastic support part is flush with the lower surface of the bearing plate, the sliding bearing is arranged on the elastic support part, and the upper end of the sliding bearing protrudes out of the upper surface of the bearing plate. The device has simple structure, solves the problems of frequent displacement of the heavy-load elevator, reduces the labor intensity, reduces lumbar vertebra diseases and prevents the occurrence of well head falling objects.

Description

Safety power assisting device for heavy-load elevator

Technical Field

The utility model relates to the field of drilling auxiliary tools, in particular to a safety assistance auxiliary device for a heavy-load elevator.

Background

The elevator is an indispensable wellhead tool in the drilling and workover construction, and is more commonly applied in the working condition of tripping. In the prior art, a large-tonnage elevator used on a drilling site is heavy and inconvenient to operate, the elevator needs to be suspended and shifted by means of a pneumatic winch when moving from a turntable surface to the center of a wellhead, the construction link is increased, the working efficiency is reduced, the underground fault risk is increased, and the lumbar lesion probability of operators is increased.

Patent application number CN201420427398.2 discloses a machine drill elevator, and elevator structure is complicated, and the dead weight is great, need install at the well head with the help of other mechanical device cooperation staff when using to when the adjustment of elevator position is carried out at the well head, need drag through the workman and realize the regulation of position. The installation mode greatly enhances the labor intensity of workers, and when the wellhead is dragged, sundries around the wellhead are easily driven to move, so that the wellhead falling object event is caused, and the construction risk is increased. Therefore, based on the above defects, a safety assistance auxiliary device for an elevator is needed, so that the problems of frequent displacement of a heavy-load elevator, reduction of labor intensity, reduction of lumbar vertebra diseases and prevention of wellhead falling objects are solved.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a safety power assisting device for a heavy-load elevator, which solves the problems of frequent displacement of the heavy-load elevator, reduces the labor intensity of workers, reduces lumbar vertebra diseases and avoids the occurrence of well head falling objects.

In order to achieve the above purpose, the present utility model adopts the technical scheme that:

a safety assistance auxiliary device of a heavy-load elevator comprises a bearing plate and a plurality of sliding mechanisms; the sliding mechanisms are arranged on the bearing plate; the bearing plate is provided with a central hole matched with the wellhead; the sliding mechanism comprises an elastic supporting part and a sliding bearing; the lower end of the elastic support part is flush with the lower surface of the bearing plate, the sliding bearing is arranged on the elastic support part, and the upper end of the sliding bearing protrudes out of the upper surface of the bearing plate.

As a preferred embodiment, the upper surface of the bearing plate is provided with lifting lugs.

As a preferred implementation scheme, the upper surface of the bearing plate is provided with a plurality of drainage grooves communicated with the central hole.

As a preferred embodiment, the bearing plate is provided with a plurality of mounting grooves, and the sliding mechanism is arranged in the mounting grooves.

As a preferred embodiment, the elastic supporting part comprises a base, a return spring and a mounting seat which are arranged from bottom to top; the lower surface of the base is flush with the lower surface of the bearing plate; the mounting seat is provided with a mounting hole, and the sliding bearing is arranged on the mounting seat through a pin shaft.

The utility model has the beneficial effects that:

the utility model provides a safety assistance auxiliary device for a heavy-load elevator, which is characterized in that a bearing plate is arranged at a wellhead, a central hole of the bearing plate is correspondingly arranged with the wellhead, when the safety assistance auxiliary device is used, an empty elevator is arranged on the bearing plate, and the dragging of the empty elevator is realized through a sliding mechanism arranged on the bearing plate, so that the labor intensity of workers is reduced. And the empty elevator shifts on the bearing plate, so that the occurrence of a wellhead falling object event caused by driving surrounding sundries during dragging is prevented. And the sliding mechanism comprises an elastic supporting part, when the weight of the drilling tool is seated on the empty elevator, the elastic supporting part is compressed due to gravity, and at the moment, the sliding bearing is retracted into the bearing plate, so that the sliding of the elevator in operation is prevented. The device has simple structure, solves the problems of frequent displacement of the heavy-load elevator, reduces the labor intensity, reduces lumbar vertebra diseases and prevents the occurrence of well head falling objects.

Drawings

FIG. 1 is a schematic view showing the structure of a device in embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the structure of the device in embodiment 2 of the present utility model;

FIG. 3 is a schematic view showing a sliding mechanism according to embodiment 2 of the present utility model;

fig. 4 is a schematic diagram illustrating the sliding mechanism according to embodiment 2 of the present utility model.

In the figure: 1. a carrying plate; 2. a sliding mechanism; 21. a base; 22. a return spring; 23. a mounting base; 24. a pin shaft; 25. a sliding bearing; 3. a central bore; 4. lifting lugs; 5. drainage grooves; 6. and a mounting groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices 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.

Example 1

As shown in fig. 1, the present embodiment provides a safety assistance device for a heavy-load elevator, which includes a carrier plate 1 and a plurality of sliding mechanisms 2; a plurality of sliding mechanisms 2 are arranged on the bearing plate 1; the bearing plate 1 is provided with a central hole 3 matched with a wellhead; the sliding mechanism 2 comprises an elastic support part and a sliding bearing 25; the lower end of the elastic support part is flush with the lower surface of the bearing plate 1, the sliding bearing 25 is arranged on the elastic support part, and the upper end of the sliding bearing 25 protrudes out of the upper surface of the bearing plate 1.

The utility model provides a heavy load elevator safety helping hand auxiliary device, loading board 1 installs at the well head, and its centre bore 3 matches with the well head, and empty elevator hoists to loading board 1 on, when using, sets up empty elevator on loading board 1, carries out the displacement of empty elevator through slide mechanism 2's helping hand, alleviates workman's intensity of labour. And the empty elevator shifts on the bearing plate 1, so that the occurrence of a wellhead falling object event caused by driving surrounding sundries during dragging is prevented. And the sliding mechanism 2 comprises an elastic supporting part, when the weight of the drilling tool is seated on the empty elevator, the elastic supporting part is compressed due to gravity, and at the moment, the sliding bearing 25 is retracted into the bearing plate 1, so that the sliding of the elevator in operation is prevented. The device has simple structure, solves the problems of frequent displacement of the heavy-load elevator, reduces the labor intensity, reduces lumbar vertebra diseases and prevents the occurrence of well head falling objects. It should be noted that, the elastic supporting portion can support the strength of the empty elevator falling on the carrying plate 1, when only the empty elevator is provided, the sliding bearing 25 cannot retract due to the dead weight of the empty elevator; when the gravity of drilling tool is sitting on empty elevator, the elastic support portion can compress, drives slide bearing 25 mounted on it to retract, guarantees that the elevator can not cause displacement because of slide bearing 25 when boring down. As a preferred embodiment, the sliding mechanism 2 is provided with two groups at least on two sides of the central hole 3, so that the movement of the aerial elevator by workers during use is facilitated.

Example 2

As shown in fig. 2-4, the present embodiment is developed on the basis of the foregoing embodiment, and in particular, the present embodiment provides a safety assistance assisting device for a heavy load elevator, in order to facilitate hoisting a bearing plate 1 to a wellhead, the upper surface of the bearing plate 1 is provided with lifting lugs 4. It should be noted that the dead weight of the carrier plate 1 is much smaller than the dead weight of the elevator, so that excessive labor force of workers is not lost when the carrier plate 1 is installed at the wellhead.

As a preferred embodiment, the upper surface of the bearing plate 1 is provided with a plurality of drainage grooves 5 communicated with the central hole 3, and the drainage grooves 5 facilitate the flow of drilling fluid into the well.

As a preferred embodiment, the bearing plate 1 is provided with a plurality of mounting grooves 6, and the sliding mechanism 2 is arranged in the mounting grooves 6.

As a preferred embodiment, the elastic support part comprises a base 21, a return spring 22 and a mounting seat 23 which are arranged from bottom to top; the lower surface of the base 21 is flush with the lower surface of the bearing plate 1; the mounting seat 23 is provided with a mounting hole, and the sliding bearing 25 is arranged on the mounting seat 23 through a pin shaft 24. It should be noted that the return springs 22 of the sliding mechanisms 2 can support the weight of the empty elevator; the mounting holes formed in the mounting base 23 are used for mounting the sliding bearing 25.

Example 3

1-4, the embodiment is developed on the basis of the embodiment, specifically, in the embodiment, a 350T-450TCD type side-opening double-safety elevator is adopted, the length, width and height dimensions of a bearing plate 1 in an auxiliary device are 1000mmX900mmX100mm, and the whole bearing plate 1 is made of high-quality alloy steel, so that the load safety is ensured; the sliding mechanism 2 is installed in the installation groove 6; the center hole 3 is phi 250mm, the center of the circle is 680mm at the rear edge of the auxiliary device, and the aperture edge is trimmed by 18-degree slope. The embodiment provides a working principle of a safety assistance auxiliary device of a heavy-load elevator, which is as follows:

before the well head is drilled, the bearing plate 1 is arranged at the well head, and the center hole 3 corresponds to the well head; then slowly seating the empty elevator on the upper surface of the bearing plate 1, and then slightly pulling the empty elevator by an operator, so that the empty elevator slides to a fastening center under the assistance of the sliding bearing 25 to cling to a drilling tool, and the elevator is fastened by the operator; at this time, the weight of the drilling tool sits on the empty elevator, and the reset spring 22 compresses to drive the sliding bearing 25 to retract into the bearing plate 1; after the drilling tool is lifted off the elevator, the load is reduced, the spring rebounds to drive the sliding bearing 25 to protrude out of the upper surface of the bearing plate 1, and the worker lightly pulls the elevator to move the elevator.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heavy load elevator safety helping hand auxiliary device which characterized in that: comprises a bearing plate (1) and a plurality of sliding mechanisms (2); the sliding mechanisms (2) are arranged on the bearing plate (1); a central hole (3) matched with the wellhead is formed in the bearing plate (1); the sliding mechanism (2) comprises an elastic supporting part and a sliding bearing (25); the lower end of the elastic support part is flush with the lower surface of the bearing plate (1), the sliding bearing (25) is arranged on the elastic support part, and the upper end of the sliding bearing (25) protrudes out of the upper surface of the bearing plate (1).

2. The heavy-duty elevator safety assistance assisting device according to claim 1, wherein: lifting lugs (4) are arranged on the upper surface of the bearing plate (1).

3. The heavy-duty elevator safety assistance assisting device according to claim 1, wherein: the upper surface of the bearing plate (1) is provided with a plurality of drainage grooves (5) communicated with the central hole (3).

4. The heavy-duty elevator safety assistance assisting device according to claim 1, wherein: the bearing plate (1) is provided with a plurality of mounting grooves (6), and the sliding mechanism (2) is arranged in the mounting grooves (6).

5. The heavy-duty elevator safety assistance assisting device according to claim 1, wherein: the elastic supporting part comprises a base (21), a return spring (22) and a mounting seat (23) which are arranged from bottom to top; the lower surface of the base (21) is flush with the lower surface of the bearing plate (1); the mounting seat (23) is provided with a mounting hole, and the sliding bearing (25) is arranged on the mounting seat (23) through a pin shaft (24).