CN220319493U

CN220319493U - Petroleum drilling machine lifting structure

Info

Publication number: CN220319493U
Application number: CN202321910402.6U
Authority: CN
Inventors: 王军; 王俊虎
Original assignee: Jingzhou Xinguan Machinery Co ltd
Current assignee: Jingzhou Xinguan Machinery Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-09
Anticipated expiration: 2033-07-20

Abstract

The utility model relates to the technical field of oil drilling equipment, and discloses a lifting structure of an oil rig, which comprises the following components: the drilling motor, the lower extreme of drilling motor is provided with the main shaft, and the main shaft passes through the elevator to be connected with the output of drilling motor, and the lower extreme of main shaft is provided with the carousel, and the carousel outside is provided with plays to rise the structure, and hoisting mechanism includes the crane, and the universal wheel is installed to the lower extreme of crane, and the lift groove has been seted up to the front end of crane, installs the lifter in the lift groove, and the front end of lifter is provided with the holder. According to the utility model, the two groups of mounting seats can be fastened through the threaded rod and the nut, after the auxiliary rod is clamped and fixed, the lifting block is driven by the servo motor to drive the clamping piece to move up and down, the lifting block is used for driving the clamping piece to lift to the position right below the main shaft, the auxiliary rod is connected with the lower end of the main shaft, then the joint of the auxiliary rod and the main rod is connected through threads, manual time calibration is not needed during the connection, the auxiliary rod can be connected and mounted through only one calibration, and the safety during the connection is integrally improved.

Description

Petroleum drilling machine lifting structure

Technical Field

The utility model relates to the field of oil drilling equipment, in particular to a lifting structure of an oil drilling machine.

Background

In petroleum drilling, a drilling tool is driven to break rock, the drilling tool is drilled downwards, a borehole with a specified depth is drilled, petroleum or natural gas is obtained by an oil or gas production machine, and a common petroleum drilling machine mainly comprises a power machine, a transmission machine, a working machine, auxiliary equipment and the like.

The process of the drill rod is added in the drilling process of the drilling machine, the traditional drill rod adding mode needs manual matching, the auxiliary rod is corrected and connected with the joint of the main rod, however, the auxiliary rod is aligned to the main rod by the frequently matched lifting device, the installation mode is complex, the auxiliary rod is lifted by a rope, and the hidden danger of rope falling exists during installation.

Disclosure of Invention

The utility model aims to provide a lifting structure of an oil rig, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lifting structure for an oil rig, comprising:

the lower end of the drilling motor is provided with a main shaft, and the main shaft is connected with the output end of the drilling motor through an elevator;

the lower end of the main shaft is provided with a rotary table, and the outer side of the rotary table is provided with a lifting structure;

the lifting mechanism comprises a lifting frame, universal wheels are arranged at the lower end of the lifting frame, a lifting groove is formed in the front end of the lifting frame, lifting pieces are arranged in the lifting groove, clamping pieces are arranged at the front ends of the lifting pieces, a servo motor is arranged at the upper end of the lifting frame, and a limiting piece is arranged at the lower end of the lifting frame.

Preferably, the lifting piece comprises a lifting block, the lifting block is in sliding connection with a lifting groove, a screw rod is movably connected in the lifting groove, positioning rods are arranged on two sides of the screw rod, the output end of the servo motor is fixedly connected with the upper end of the screw rod, the screw rod is threaded with the lifting block, and the positioning rods are movably threaded with the lifting block.

Preferably, the clamping piece comprises a mounting seat, a mounting groove is formed in the tail end of the mounting seat, the mounting groove is fixedly connected with the lifting block through a bolt, and the front end of the mounting seat is fixedly connected with a clamping arc plate.

Preferably, the lifting frame, the lifting piece and the clamping piece are all provided with two, and the two lifting frames, the lifting piece and the clamping piece are symmetrically distributed at the center of the turntable, the two mounting seats are connected through the threaded rod, and the auxiliary piece is mounted on the back of the lifting frame.

Preferably, the auxiliary piece comprises a pushing handle, a rubber sleeve is sleeved on the surface of the pushing handle, and the pushing handle is rotatably connected with the lifting frame.

Preferably, the limiting part comprises a limiting guide rail and a positioning plate, wherein a sliding groove is formed in the upper end of the limiting guide rail, a movable groove is formed in the positioning plate, and the movable groove is movably connected with the positioning part.

Preferably, the locating piece comprises a limiting plate, the limiting plate and the locating plate are both provided with mounting holes, one end of the limiting plate is inserted into the movable groove in a sliding mode, a limiting rod is fixedly connected to the lifting frame, the other end of the limiting plate is sleeved with the limiting rod, the lower end of the lifting frame is fixedly connected with a sliding block, and the sliding block is connected with the sliding groove in a sliding mode.

The utility model has the technical effects and advantages that:

(1) According to the utility model, two groups of clamping arc plates are respectively contacted with the auxiliary rod by utilizing symmetrically distributed lifting frames close to the turntable and are connected through the threaded rods, the two groups of mounting seats can be fastened through the threaded rods and the threaded nuts, after the auxiliary rod is clamped and fixed, the lifting blocks are driven by the servo motor to move up and down with the clamping pieces, the lifting blocks are driven by the lifting blocks to lift to the position right below the main shaft, the auxiliary rod is connected with the lower end of the main shaft, then the joint of the auxiliary rod and the main rod is connected through threads, manual time calibration is not needed during the connection, the connection can be realized through only one-time calibration, and the safety during the connection is integrally improved;

(2) According to the utility model, when two groups of lifting frames are clamped and fixed with the auxiliary rod through the clamping piece, the limiting plate is manually sleeved at the limiting rod, meanwhile, the locating plate is pulled towards the tail end of the limiting guide rail, after the locating plate is confirmed to be attached to the inner wall of the sliding groove of the limiting guide rail, the locating plate and the limiting plate are fixedly kept in position through the bolts, the lifting frames are kept in position through the locating plate and the limiting plate, the lifting frames are prevented from loosening in the lifting process of the auxiliary rod, and the stability in installation is improved.

Drawings

Fig. 1 is a schematic perspective view of the whole structure of the present utility model.

Fig. 2 is a schematic view of the structure of the lifting frame of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

Fig. 4 is a schematic view of the structure of the mounting base of the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.

In the figure: 1. a main shaft; 2. an elevator; 3. a drilling motor; 4. an auxiliary rod; 5. a turntable; 6. a main rod; 7. a lifting frame; 8. a universal wheel; 9. a lifting block; 10. a screw rod; 11. a positioning rod; 12. a servo motor; 13. a mounting base; 14. a mounting groove; 15. clamping the arc plate; 16. a threaded rod; 17. a pushing handle; 18. a spacing guide rail; 19. a positioning plate; 20. a limiting plate; 21. a limit rod; 22. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a lifting structure of an oil rig, as shown in figures 1-5, comprising:

the drilling motor 3, the lower end of the drilling motor 3 is provided with a main shaft 1, and the main shaft 1 is connected with the output end of the drilling motor 3 through an elevator 2;

the lower end of the main shaft 1 is provided with a rotary table 5, and the outer side of the rotary table 5 is provided with a lifting structure;

the hoisting mechanism includes crane 7, universal wheel 8 is installed to the lower extreme of crane 7, the lift groove has been seted up to the front end of crane 7, install the lifting part in the lift groove, the front end of lifting part is provided with the holder, the upper end of crane 7 is provided with servo motor 12, the lower extreme of crane 7 is provided with the locating part, the lifting part includes lifter 9, and lifter 9 and lift groove sliding connection, swing joint has lead screw 10 in the lift groove, the both sides of lead screw 10 all are provided with locating lever 11, servo motor 12's output and the upper end fixed connection of lead screw 10, lead screw 10 and lifter 9 screw thread alternate, locating lever 11 and lifter 9 activity alternate.

The whole equipment is located the derrick below, drilling motor 3 passes through elevator 2 with main shaft 1 to be connected, this connected mode is prior art, the lower extreme of main shaft 1 passes through screwed connection with the upper end of auxiliary rod 4, the lower extreme of auxiliary rod 4 and the same screwed connection of mobile jib 6 upper end add, the lift groove that crane 7 offered is through installation lead screw 10 and locating lever 11, when servo motor 12 drive lead screw 10 rotates, take elevating block 9 up-and-down motion, thereby drive holder carries auxiliary rod 4 to rise and installs with main shaft 1, then drive downwards and mobile jib 6 screwed connection add connect, the locating lever 11 plays spacing effect to elevating block 9 up-and-down motion, the fixed universal wheel 8 of crane 7 lower extreme plays the effect of convenient removal crane 7.

The holder includes mount pad 13, mounting groove 14 has been seted up to the tail end of mount pad 13, mounting groove 14 passes through bolt fixed connection with elevating block 9, the front end fixedly connected with centre gripping arc board 15 of mount pad 13, crane 7, lifting part and holder all are provided with two, and two crane 7, lifting part and holder are symmetrical distribution with carousel 5 center department, two mount pads 13 pass through threaded rod 16 and connect, the auxiliary part is installed at the back of crane 7, the auxiliary part includes pushing away 17, the surface cover that pushes away 17 has the rubber sleeve, push away 17 and crane 7 rotation to be connected.

The mounting groove 14 and the lifting block 9 that the mount pad 13 tail end was seted up pass through the bolt fastening, make mount pad 13 and lifting block 9 keep the horizontality, the cambered surface that centre gripping arc board 15 is close to auxiliary rod 4 can fix a plurality of groups with specification tooth for frictional force when increasing centre gripping arc board 15 and auxiliary rod 4 centre gripping increases the clamping dynamics, two sets of mount pads 13 can be through the connection of the power between two sets of mount pads 13 of threaded rod 16 and nut fastening when the centre gripping of auxiliary rod 4, avoid auxiliary rod 4 to appear not hard up, auxiliary member at lifting frame 7 back pushes away 17 makes things convenient for the workman to promote lifting frame 7, push away 17 can be located rotation angle on the lifting frame 7, if lifting frame 7 does not use, can be with pushing away 17 rotation maximum angle downwards.

The locating part includes spacing guide 18 and locating plate 19, and the spout has been seted up to the upper end of spacing guide 18, has seted up the movable groove on the locating plate 19, and movable groove swing joint has the locating part, and the locating part includes limiting plate 20, and the mounting hole has all been seted up to limiting plate 20 and locating plate 19, and limiting plate 20's one end and movable groove slip alternate, and the last fixedly connected with gag lever post 21 of crane 7, limiting plate 20's the other end cup joints with gag lever post 21, and the lower extreme fixedly connected with slider 22 of crane 7, slider 22 and spout sliding connection.

The limiting plate 20 and the movable groove formed in the positioning plate 19 are inserted in a sliding mode, the positioning plate 19 and the limiting plate 20 can be lengthened to a specified length in the sliding insertion mode, the positioning plate 19 and the limiting plate 20 can be matched with the moving distance of the lifting frame 7, the positioning plate 19 and the limiting plate 20 are fixed through bolts, and the positioning plate 19 and the limiting plate 20 are kept in position.

The working principle of the utility model is as follows:

the lifting frames 7 which are symmetrically distributed are utilized to be close to the turntable 5, two groups of clamping arc plates 15 are respectively contacted with the auxiliary rod 4 and are connected through threaded rods 16, two groups of mounting seats 13 can be fastened through the threaded rods 16 and nuts, after the auxiliary rod 4 is clamped and fixed, the lifting blocks 9 are driven by the servo motor 12 to move up and down with clamping pieces, the lifting blocks 9 are driven by the lifting blocks 9 to lift to the position right below the main shaft 1, the auxiliary rod 4 is connected with the lower end of the main shaft 1, the joint of the auxiliary rod 4 and the main rod 6 is screwed and connected, when the two groups of lifting frames 7 are clamped and fixed with the auxiliary rod 4 through the clamping pieces, the limiting plates 20 are manually sleeved at the limiting rods 21, meanwhile, the positioning plates 19 are pulled towards the tail ends of the limiting guide rails 18, after the positioning plates 19 are fixed to the inner walls of the sliding grooves of the limiting guide rails 18, the positioning plates 19 and the limiting plates 20 are fixedly kept in position through bolts, the positioning plates 19 and the limiting plates 20 are kept in position on the lifting frames 7 in the lifting process of lifting the auxiliary rod 4, stability in the mounting process is improved, manual time is calibrated during mounting, and the mounting is not required to be carried out, and the mounting is completed only by integrally lifting and mounting is carried out through safety.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A lifting structure for an oil rig, comprising:

the drilling motor (3), the lower end of the drilling motor (3) is provided with a main shaft (1), and the main shaft (1) is connected with the output end of the drilling motor (3) through an elevator (2);

the lifting device is characterized in that a turntable (5) is arranged at the lower end of the main shaft (1), and a lifting structure is arranged on the outer side of the turntable (5);

the lifting structure comprises a lifting frame (7), universal wheels (8) are arranged at the lower end of the lifting frame (7), lifting grooves are formed in the front end of the lifting frame (7), lifting pieces are arranged in the lifting grooves, clamping pieces are arranged at the front ends of the lifting pieces, a servo motor (12) is arranged at the upper end of the lifting frame (7), and limiting pieces are arranged at the lower end of the lifting frame (7).

2. The lifting structure of the oil rig according to claim 1, wherein the lifting piece comprises a lifting block (9), the lifting block (9) is in sliding connection with a lifting groove, a screw rod (10) is movably connected in the lifting groove, positioning rods (11) are arranged on two sides of the screw rod (10), an output end of the servo motor (12) is fixedly connected with the upper end of the screw rod (10), the screw rod (10) is threaded with the lifting block (9), and the positioning rods (11) are movably threaded with the lifting block (9).

3. The lifting structure of the petroleum drilling machine according to claim 2, wherein the clamping piece comprises a mounting seat (13), a mounting groove (14) is formed in the tail end of the mounting seat (13), the mounting groove (14) is fixedly connected with the lifting block (9) through bolts, and a clamping arc plate (15) is fixedly connected with the front end of the mounting seat (13).

4. A lifting structure of an oil rig according to claim 3, characterized in that two lifting frames (7), lifting members and clamping members are arranged, the two lifting frames (7), lifting members and clamping members are symmetrically distributed at the center of the turntable (5), two mounting seats (13) are connected through threaded rods (16), and auxiliary members are mounted at the back of the lifting frames (7).

5. The lifting structure of an oil rig according to claim 4, wherein the auxiliary member comprises a pushing handle (17), a rubber sleeve is sleeved on the surface of the pushing handle (17), and the pushing handle (17) is rotatably connected with the lifting frame (7).

6. The lifting structure of the petroleum drilling machine according to claim 1, wherein the limiting part comprises a limiting guide rail (18) and a positioning plate (19), a sliding groove is formed in the upper end of the limiting guide rail (18), a movable groove is formed in the positioning plate (19), and the positioning part is movably connected to the movable groove.

7. The lifting structure of an oil rig according to claim 6, wherein the positioning piece comprises a limiting plate (20), mounting holes are formed in the limiting plate (20) and the positioning plate (19), one end of the limiting plate (20) is inserted into the movable groove in a sliding mode, a limiting rod (21) is fixedly connected to the lifting frame (7), the other end of the limiting plate (20) is sleeved with the limiting rod (21), a sliding block (22) is fixedly connected to the lower end of the lifting frame (7), and the sliding block (22) is connected with the sliding groove in a sliding mode.