CN215946673U

CN215946673U - Drilling platform maintenance device for offshore drilling

Info

Publication number: CN215946673U
Application number: CN202121730863.6U
Authority: CN
Inventors: 韩忠
Original assignee: Sixth Geological Brigade Of Shandong Bureau Of Geology And Mineral Resources Exploration And Development
Current assignee: Sixth Geological Brigade Of Shandong Bureau Of Geology And Mineral Resources Exploration And Development
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-04
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a drilling platform maintenance device for offshore drilling, which comprises a guide frame and a lifting frame, wherein a first rack and a second rack are respectively and fixedly arranged on two sides of the guide frame, a first rotating shaft and a second rotating shaft are rotatably arranged on one side of the lifting frame, a first gear is fixedly arranged in the middle of the first rotating shaft, a third gear is fixedly arranged in the middle of the second rotating shaft, a second gear is fixedly arranged at one end of the first rotating shaft, a fourth gear is fixedly arranged at one end of the second rotating shaft, and a self-locking rotating transmission mechanism is arranged at one end of the first rotating shaft, which is far away from the second gear. The lifting frame is provided with the self-locking type rotating transmission mechanism, the first rotating shaft can be driven to rotate, and the second rotating shaft is driven to rotate through the meshing transmission of the second gear and the fourth gear, so that the first rack and the second rack are respectively in meshing transmission with the first rack and the second rack, and the stable lifting of the lifting frame is realized.

Description

Drilling platform maintenance device for offshore drilling

Technical Field

The utility model relates to the field of drilling, in particular to a drilling platform maintenance device for offshore drilling.

Background

Drilling or exploration is the mechanical engineering technology of deep drilling to exploit the natural resources of the ground or seabed, or to take the section of the stratum live, to capture the physical sample, for providing the experiment to get the relevant data. A drilling platform is an offshore structure that is primarily used for drilling wells. The platform is provided with drilling, power, communication, navigation and other equipment, safety lifesaving and personnel living facilities, and is an indispensable means for offshore oil and gas exploration and development.

When the offshore drilling rig is used, workers are required to overhaul and maintain each device regularly. At present, when workers overhaul and maintain, the workers climb on all supports and ladder frames on a drilling platform and reach areas with specified height to overhaul and maintain, so that the time for the workers to reach the specified height is long, and the workers climb on all the supports and the ladder frames to have certain dangerousness.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a maintenance device for a drilling platform for offshore drilling, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a drilling platform maintenance device for offshore drilling comprises a guide frame and a lifting frame, wherein a first rack and a second rack are respectively and fixedly arranged on two sides of the guide frame, the lifting frame is movably connected with the guide frame, one side of the lifting frame is rotatably provided with a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are respectively arranged at two sides of the guide frame, a first gear is fixedly arranged in the middle of the first rotating shaft, the first gear is in meshed transmission with the first rack, a third gear is fixedly arranged in the middle of the second rotating shaft, the third gear is in meshing transmission with the second rack, one end of the first rotating shaft is fixedly provided with the second gear, and a fourth gear is fixedly mounted at one end of the second rotating shaft, the second gear is in meshing transmission with the fourth gear, and a self-locking rotating transmission mechanism is arranged at one end of the first rotating shaft, which is far away from the second gear.

As a further scheme of the utility model: the self-locking type rotation transmission mechanism comprises a worm wheel, a worm and an electric motor, the worm wheel is fixedly mounted at one end, far away from the second gear, of the first rotation shaft, the worm is rotatably mounted on one side of the lifting frame, one end of the worm is in transmission connection with the output end of the electric motor, and the worm is in meshing transmission with the worm wheel.

As a further scheme of the utility model: a pair of first support frames and a pair of second support frames are installed on one side of the lifting frame, the first rotating shaft and the second rotating shaft are respectively rotatably installed at two ends of the pair of first support frames, and the worm is rotatably installed between the pair of second support frames.

As a further scheme of the utility model: the middle part of the lifting frame is provided with a through sliding chute, and the lifting frame is connected with the guide frame in a sliding mode through the sliding chute.

As a further scheme of the utility model: the baffle is installed to the crane one side of keeping away from first support frame and second support frame, it has a plurality of logical grooves that link up to open up in the baffle.

As a further scheme of the utility model: and mounting frames are fixedly mounted at two ends of the guide frame.

Compared with the prior art, the utility model has the beneficial effects that: the self-locking type rotary transmission mechanism is arranged, the first rotary shaft can be driven to rotate, the second rotary shaft is driven to rotate through the meshing transmission of the second gear and the fourth gear, so that the first rack and the second rack are respectively in meshing transmission with the first rack and the second rack, the lifting frame is stably lifted, and workers can quickly and safely reach a maintenance area of a drilling platform to perform maintenance and overhaul.

Drawings

Fig. 1 is a schematic structural view of a maintenance device for a drilling platform for offshore drilling.

Fig. 2 is a schematic structural view of a guide frame of a maintenance device of a drilling platform for offshore drilling.

Fig. 3 is a schematic structural view of a crane of the maintenance device of the drilling platform for offshore drilling.

Fig. 4 is a schematic transmission diagram of a first gear and a third gear of a rig maintenance device for offshore drilling.

Fig. 5 is a schematic structural diagram of a self-locking rotation transmission mechanism of a drilling platform maintenance device for offshore drilling.

In the figure: 1. a guide frame; 11. a first rack; 12. a second rack; 13. a mounting frame; 2. a lifting frame; 21. a first support frame; 22. a second support frame; 23. a baffle plate; 231. a through groove; 24. a chute; 3. a first rotating shaft; 31. a first gear; 32. a second gear; 33. a worm gear; 4. a second rotating shaft; 41. a third gear; 42. a fourth gear; 5. a worm; 51. an electric motor.

Detailed Description

The terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1:

referring to fig. 1 to 5, a drilling platform maintenance device for offshore drilling comprises a guide frame 1 and a lifting frame 2, wherein a first rack 11 and a second rack 12 are respectively and fixedly installed on the left side and the right side of the guide frame 1, the middle part of the lifting frame 2 is movably connected with the guide frame 1, a first rotating shaft 3 and a second rotating shaft 4 are rotatably installed at the bottom of the lifting frame 2, the first rotating shaft 3 and the second rotating shaft 4 are respectively arranged on the left side and the right side of the guide frame 1, a first gear 31 is fixedly installed in the middle part of the first rotating shaft 3, the right end of the first gear 31 is in meshing transmission with the first rack 11, a third gear 41 is fixedly installed in the middle part of the second rotating shaft 4, the left end of the third gear 41 is in meshing transmission with the second rack 12, a second gear 32 is fixedly installed at one end of the first rotating shaft 3, a fourth gear 42 is fixedly installed at one end of the second rotating shaft 4, the second gear 32 and the fourth gear 42 are in meshed transmission, and a self-locking type rotation transmission mechanism is arranged at one end of the first rotation shaft 3, which is far away from the second gear 32.

From locking-type rotation drive mechanism includes worm wheel 33, worm 5 and motor 51, the one end fixed mounting that second gear 32 was kept away from to first axis of rotation 3 has worm wheel 33, worm 5 rotates the bottom of installing at crane 2, the one end of worm 5 passes through the shaft coupling transmission with motor 51's output and is connected, worm 5 and worm wheel 33 meshing transmission.

Working principle of example 1: when the offshore drilling platform needs to be overhauled and maintained, a worker can stand on the upper end face of the lifting frame 2 to drive the motor 51 to work, the motor 51 drives the worm 5 to rotate, the worm 5 is in meshing transmission with the worm wheel 33 to drive the worm wheel 33 and the first rotating shaft 3 to rotate, the first rotating shaft 3 drives the second gear 32 to rotate, the second gear 32 is in meshing transmission with the fourth gear 42 to drive the fourth gear 42 and the second rotating shaft 4 to rotate, at the moment, the first rotating shaft 3 and the second rotating shaft 4 rotate in opposite directions to drive the first gear 31 and the third gear 41 to rotate in opposite directions, the first gear 31 and the third gear 41 are in meshing transmission with the first rack 11 and the second rack 12 on the left side and the right side of the guide frame 1 respectively to drive the lifting frame 2 to lift along the guide frame 1, thereby drive the staff and go up and down to the height that needs overhaul and maintain, need not the staff and scrambles on each support and the ladder rack on drilling platform.

Example 2:

referring to fig. 1 to 5, in the maintenance device of the drilling platform for offshore drilling, on the basis of embodiment 1, a pair of first support frames 21 and a pair of second support frames 22 are installed at the bottom of a lifting frame 2, a first rotating shaft 3 and a second rotating shaft 4 are respectively and rotatably installed at the left end and the right end of the pair of first support frames 21 through bearings, a worm 5 is rotatably installed between the pair of second support frames 22 through bearings, a through chute 24 is formed in the middle of the lifting frame 2, the lifting frame 2 is slidably connected with a guide frame 1 through the chute 24, a baffle 23 is installed at one side of the lifting frame 2 away from the first support frames 21 and the second support frames 22, a plurality of through slots 231 are formed in the baffle 23, the baffle 23 is arranged at the outer side of the upper end face of the lifting frame 2, so that a worker can hold the baffle 23 by hand when the lifting frame 2 is lifted, and the safety of the lifting frame 2 is improved, lead to groove 231 and reduce the weight of crane 2, the both ends fixed mounting of leading truck 1 has mounting bracket 13, is convenient for through mounting bracket 13 with leading truck 1 fixed mounting.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a drilling platform maintains device for offshore drilling, includes leading truck (1) and crane (2), its characterized in that, the both sides of leading truck (1) respectively fixed mounting have first rack (11) and second rack (12), crane (2) and leading truck (1) swing joint, one side of crane (2) is rotated and is installed first axis of rotation (3) and second axis of rotation (4), first axis of rotation (3) and second axis of rotation (4) set up respectively in the both sides of leading truck (1), the middle part fixed mounting of first axis of rotation (3) has first gear (31), first gear (31) and first rack (11) meshing transmission, the middle part fixed mounting of second axis of rotation (4) has third gear (41), third gear (41) and second rack (12) meshing transmission, the one end fixed mounting of first axis of rotation (3) has second gear (32), the one end fixed mounting of second axis of rotation (4) has fourth gear (42), second gear (32) and fourth gear (42) meshing transmission, the one end that second gear (32) were kept away from in first axis of rotation (3) is provided with from locking-type rotation drive mechanism.

2. The offshore drilling rig maintenance device of claim 1, wherein the self-locking rotation transmission mechanism comprises a worm gear (33), a worm (5) and a motor (51), the worm gear (33) is fixedly installed at one end of the first rotation shaft (3) far away from the second gear (32), the worm (5) is rotatably installed at one side of the lifting frame (2), one end of the worm (5) is in transmission connection with an output end of the motor (51), and the worm (5) is in meshing transmission with the worm gear (33).

3. A maintenance device of a drilling platform for offshore drilling according to claim 2, wherein a pair of first supporting frames (21) and a pair of second supporting frames (22) are installed at one side of the crane (2), the first rotating shaft (3) and the second rotating shaft (4) are respectively and rotatably installed at two ends of the pair of first supporting frames (21), and the worm (5) is rotatably installed between the pair of second supporting frames (22).

4. A device for maintaining a drilling platform for offshore drilling according to claim 1, wherein the crane (2) has a through chute (24) in the middle, and the crane (2) is slidably connected to the guide frame (1) through the chute (24).

5. A device for maintaining a drilling platform for offshore drilling according to claim 3, characterized in that the crane (2) is provided with a baffle (23) at a side thereof remote from the first support (21) and the second support (22), and the baffle (23) is provided with a plurality of through slots (231).

6. A rig maintenance device for offshore drilling according to claim 1, characterized in that mounting frames (13) are fixedly mounted at both ends of the guide frame (1).