Turning device for petroleum drill rod

Abstract

The utility model relates to the technical field of drill rod turning, and provides a petroleum drill rod turning device which comprises a lathe body and a rear frame, the rear frame is fixed to the lower end of the side surface of the lathe body, supporting frames are fixed to the two ends of the surface of the rear frame, a lifting conveying assembly is arranged between the supporting frames, and a feeding and discharging assembly is arranged outside the rear frame. The vertical lead screw is rotationally connected into the supporting frame, a lifting motor is fixedly connected to the outer portion of the supporting frame, the output end of the lifting motor and the upper end of the vertical lead screw are provided with first transmission wheels, and the first transmission wheels are in transmission connection through a belt. By means of the technical scheme, the problems that when a lathe in the related technology is used for machining a high-strength drill rod, the overall length is large, supporting needs to be carried out, but at present, supporting is carried out through a support, in-out control is tedious, and linkage conveying of other equipment is not convenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling rod turning and processing, and specifically relates to a turning and processing device for petroleum drilling rods. Background Art

[0002] Drill pipe is a steel pipe with a threaded tail, used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device at the bottom of the well. The purpose of the drill pipe is to transport drilling mud to the drill bit and raise, lower or rotate the bottom hole device together with the drill bit. The drill pipe must be able to withstand huge internal and external pressure, twisting, bending and vibration. In the process of oil and gas extraction and refining, drill pipe can be used many times. Drill pipe is divided into three categories: square drill pipe, drill pipe and heavy drill pipe.

[0003] Drill rods need to be processed by lathes during the manufacturing process. Turning refers to lathe processing which is a part of mechanical processing. Lathe processing mainly uses a turning tool to turn the rotating workpiece. When the lathe processes high-strength drill rods, the overall length is large and needs to be supported. However, now they are all supported by brackets, and the entry and exit control is cumbersome, which is not convenient for linkage transportation with other equipment.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model provides a lathe processing device for oil drill pipes, which solves the problem that when a lathe in the related technology processes high-strength drill pipes, the overall length is large and needs to be supported, but currently all of them are supported by brackets, the entry and exit control is relatively cumbersome, and it is not convenient for other equipment to be linked and transported.

[0006] The technical solution of the utility model is as follows:

[0007] A lathe body and a rear frame, wherein the rear frame is fixed to the lower end of the side surface of the lathe body;

[0008] A pair of support frames, the support frames are fixed at both ends of the surface of the rear frame;

[0009] A lifting and conveying assembly, wherein the lifting and conveying assembly is arranged between the supporting frames;

[0010] A loading and unloading assembly, wherein the loading and unloading assembly is arranged outside the rear frame;

[0011] The lifting and conveying assembly includes a vertical screw, which is rotatably connected to the support frame. A lifting motor is fixedly connected to the outside of the support frame. The output end of the lifting motor and the upper end of the vertical screw are both provided with a first transmission wheel, and the first transmission wheels are connected by belt transmission.

[0012] As a further technical solution, a lifting frame is vertically slidably connected inside the support frame, the lifting frame is connected to the vertical screw through threaded cooperation, a cross seat is connected between the lifting frames, a pair of telescopic cylinders are rotatably connected to the surfaces of the cross seat through pins on both sides, and the output end of the telescopic cylinder is connected to a conveying frame.

[0013] As a further technical solution, a plurality of conveying rollers are rotatably connected in the conveying frame, and the conveying rollers are all driven to rotate by motors. A protective cover is provided on the top of the conveying frame, and the protective cover is located on both sides of the conveying rollers.

[0014] As a further technical solution, the loading and unloading assembly includes a side groove, which is opened on the surface of the rear frame. A pair of second cylinders are arranged on the surface of the rear frame, and the second cylinders are located on both sides of the side groove. A connecting frame is arranged at the output end of the second cylinder, and a support plate is fixedly connected to the bottom of the connecting frame.

[0015] As a further technical solution, the surface of the rear frame and the surface of the support plate are both provided with notches, the outside of the rear frame and the outside of the support plate are rotatably connected to a flip frame, and a third cylinder is rotatably connected between the notches via a pin shaft.

[0016] As a further technical solution, the flip frame is in an L-shaped structure as a whole, and the flip frame can be flipped outwards by 45° by rotating the connection.

[0017] As a further technical solution, the surface of the conveying roller is a concave V-shaped structure.

[0018] As a further technical solution, the top of the protective cover is lower than the top of the conveying roller, and the top of the protective cover is bent downward to form an inclined structural surface.

[0019] The working principle and beneficial effects of the utility model are:

[0020] The utility model is provided with a lifting and conveying assembly. Through the interaction of structures such as a vertical screw, a lifting frame, a horizontal seat, a telescopic cylinder, a conveying frame and a conveying roller, the utility model can quickly receive and unload materials through the effect of left and right flipping, and can be directly positioned to the lathe body with the help of lifting, and then the feed is conveyed by the conveying roller. The supporting effect can be maintained during the processing, making the processing flow smoother, and having good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is the axonometric drawing of the utility model;

[0024] Figure 3 This is an axonometric drawing from another perspective of the utility model;

[0025] In the figure: 1. Lathe body; 2. Rear frame; 3. Support frame; 4. Lifting and conveying assembly; 4-1. Vertical screw; 4-2. Lifting motor; 4-3. First transmission wheel; 4-4. Lifting frame; 4-5. Cross seat; 4-6. Telescopic cylinder; 4-7. Conveying frame; 4-8. Conveying roller; 4-9. Protective cover; 5. Loading and unloading assembly; 5-1. Side groove; 5-2. Second cylinder; 5-3. Connecting frame; 5-4. Support plate; 5-5. Notch; 5-6. Turning frame; 5-7. Third cylinder. DETAILED DESCRIPTION

[0026] The following will be combined with 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 of 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.

[0027] like Figure 1~Figure 3 As shown, this embodiment provides a petroleum drill pipe turning device, including

[0028] A lathe body 1 and a rear frame 2, wherein the rear frame 2 is fixed to the lower end of the side surface of the lathe body 1;

[0029] A pair of support frames 3, the support frames 3 are fixed at both ends of the surface of the rear frame 2;

[0030] A lifting and conveying assembly 4, wherein the lifting and conveying assembly 4 is arranged between the supporting frames 3;

[0031] The loading and unloading assembly 5 is arranged outside the rear frame 2;

[0032] The lifting and conveying assembly 4 includes a vertical screw 4-1, which is rotatably connected in the support frame 3. A lifting motor 4-2 is fixedly connected to the outside of the support frame 3. A first transmission wheel 4-3 is provided at the output end of the lifting motor 4-2 and the upper end of the vertical screw 4-1. The first transmission wheel 4-3 is connected by belt transmission. A lifting frame 4-4 is vertically slidably connected in the support frame 3. The lifting frame 4-4 is connected to the vertical screw 4-1 by threaded cooperation. A cross seat 4-5 is connected between the lifting frames 4-4. A pair of telescopic cylinders 4-6 are rotatably connected to the surfaces of the cross seat 4-5 on both sides by pins. The output end of the telescopic cylinder 4-6 is connected to a conveying frame 4-7. A plurality of conveying rollers 4-8 are rotatably connected in the conveying frame 4-7. The conveying rollers 4-8 are all driven to rotate by a motor. A protective cover 4-9 is provided on the top of the conveying frame 4-7. The protective cover 4-9 is located on both sides of the conveying rollers 4-8.

[0033] In this embodiment, in order to achieve the effect of feeding and conveying drill pipes, a lifting and conveying assembly 4 is designed. A vertical screw 4-1 is rotatably connected inside the support frame 3, and a lifting motor 4-2 is arranged on the outside of the support frame 3. The output end of the lifting motor 4-2 and the upper end of the vertical screw 4-1 are both provided with a first transmission wheel 4-3 and belt transmission is adopted. The outside of the vertical screw 4-1 is connected to a lifting frame 4-4 by threaded cooperation, and a cross seat 4-5 is connected between the lifting frames 4-4. Two telescopic cylinders 4-6 are arranged on both sides of the cross seat 4-5, and the output end of the telescopic cylinder 4-6 is connected to a conveying frame 4-7. The bottom and output end of the telescopic cylinders 4-6 on both sides are rotatably connected, and the conveying frame 4-7 can achieve the effect of flipping over through the telescopic cooperation on both sides. A plurality of conveying rollers 4-8 that are controlled to rotate by a motor are arranged in the conveying frame 4-7, which can be used for conveying inside and outside the machine tool body, and a protective cover 4-9 is provided to play a protective role when unloading materials.

[0034] Furthermore, the loading and unloading assembly 5 includes a side groove 5-1, which is opened on the surface of the rear frame 2. A pair of second cylinders 5-2 are arranged on the surface of the rear frame 2, and the second cylinders 5-2 are located on both sides of the side groove 5-1. A connecting frame 5-3 is arranged at the output end of the second cylinder 5-2. A support plate 5-4 is fixedly connected to the bottom of the connecting frame 5-3. Notches 5-5 are opened on the surface of the rear frame 2 and the surface of the support plate 5-4. A turning frame 5-6 is rotatably connected to the outside of the rear frame 2 and the outside of the support plate 5-4. A third cylinder 5-7 is rotatably connected between the notches 5-5 through a pin shaft.

[0035] In this embodiment, in order to achieve the effect of lifting the drill rod upward and receiving the drill rod for unloading, a loading and unloading assembly 5 is designed, a side groove 5-1 facing one side is opened on the surface of the rear frame 2, and a second cylinder 5-2 is arranged on the surface of the chassis on both sides, and a connecting frame 5-3 is arranged at the output end of the second cylinder 5-2, and a support plate 5-4 is connected between the connecting frames 5-3 on both sides. The outer side of the support plate 5-4 is rotatably connected to a turning frame 5-6 through a pin shaft for receiving and loading materials, and a third cylinder 5-7 is connected between the support plate 5-4 and the turning frame 5-6 through a notch 5-5. The second cylinder 5-2 can control the inward and outward rotation of the turning frame 5-6, and the turning frame 5-6 located on the support plate 5-4 is used for loading, and the turning frame 5-6 on the other side of the rear frame 2 is used for unloading.

[0036] Furthermore, the turning frame 5-6 is in an L-shaped structure as a whole, and the turning frame 5-6 can be turned outward by 45° by rotating the connection.

[0037] In this embodiment, the L-shaped structure can drag the drill rod and keep it in a fixed position, and can roll in accordance with the turning angle of the turning frame 5-6.

[0038] Furthermore, the surface of the conveying roller 4-8 is a concave V-shaped structure.

[0039] In this embodiment, the concave V-shaped structure allows the conveying rollers 4-8 to concentrate the drill rods at the most central position for conveying without deviation.

[0040] Furthermore, the top of the protective cover 4-9 is lower than the top of the conveying roller 4-8, and the top of the protective cover 4-9 is bent downward to form an inclined structural surface.

[0041] In this embodiment, the motor is shielded for protection by the tilting angle, and the drill rod can be supported at the bottom when rolling downward, so that the drill rod slides into the turning frame 5-6.

[0042] When feeding and processing are required, the drill rod is transported to the turning frame 5-6 on the support plate 5-4 through other equipment, and then the second cylinder 5-2 is started to push the support plate 5-4 upward to raise the drill rod, and after being located on one side of the conveying frame 4-7, the third cylinder 5-7 is started to pull the turning frame 5-6, so that the turning frame 5-6 is turned inward, and the drill rod is rolled into the conveying roller 4-8, and the lifting motor 4-2 is started to drive the vertical screw 4-1 to rotate through the first transmission wheel 4-3, and the conveying frame 4-7 is raised to the highest point, and then the conveying roller 4-8 is started to transport it into the lathe body 1, and it stops after reaching the position. The support can be maintained during the processing. After the processing is completed, the drill rod is transported outward and then dropped to the bottom, and the telescopic cylinder 4-6 on one side is started to push the conveying frame 4-7 upward, tilting and flipping to one side, and the drill rod rolls into the turning frame 5-6 through the tilt angle, and then the third cylinder 5-7 on the side of the turning frame 5-6 flips the turning frame 5-6 outward to discharge the drill rod.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A turning device for oil drill pipe, characterized in that: include A lathe body (1) and a rear frame (2), wherein the rear frame (2) is fixed to the lower end of the side surface of the lathe body (1); A pair of support frames (3), wherein the support frames (3) are fixed to two ends of the surface of the rear frame (2); A lifting and conveying assembly (4), wherein the lifting and conveying assembly (4) is arranged between the support frames (3); A loading and unloading assembly (5), wherein the loading and unloading assembly (5) is arranged outside the rear frame (2); The lifting and conveying assembly (4) comprises a vertical lead screw (4-1), the vertical lead screw (4-1) is rotatably connected to the support frame (3), the support frame (3) is externally fixedly connected to a lifting motor (4-2), the output end of the lifting motor (4-2) and the upper end of the vertical lead screw (4-1) are both provided with a first transmission wheel (4-3), and the first transmission wheels (4-3) are connected by a belt drive.

2. The oil drill pipe turning device according to claim 1, characterized in that: A lifting frame (4-4) is vertically slidably connected inside the support frame (3); the lifting frame (4-4) is connected to the vertical lead screw (4-1) by threaded matching; a horizontal seat (4-5) is connected between the lifting frames (4-4); a pair of telescopic cylinders (4-6) are rotatably connected to the two sides of the surface of the horizontal seat (4-5) by pins; and the output end of the telescopic cylinder (4-6) is connected to a conveying frame (4-7).

3. The oil drill pipe turning device according to claim 2, characterized in that: A plurality of conveying rollers (4-8) are rotatably connected in the conveying frame (4-7), and the conveying rollers (4-8) are all driven to rotate by a motor. A protective cover (4-9) is provided on the top of the conveying frame (4-7), and the protective cover (4-9) is located on both sides of the conveying rollers (4-8).

4. The oil drill pipe turning device according to claim 1, characterized in that: The loading and unloading assembly (5) comprises a side groove (5-1), the side groove (5-1) being opened on the surface of the rear frame (2), a pair of second cylinders (5-2) being arranged on the surface of the rear frame (2), the second cylinders (5-2) being located on both sides of the side groove (5-1), a connecting frame (5-3) being arranged at the output end of the second cylinder (5-2), and a support plate (5-4) being fixedly connected to the bottom of the connecting frame (5-3).

5. The oil drill pipe turning device according to claim 4, characterized in that: The surface of the rear frame (2) and the surface of the support plate (5-4) are both provided with notches (5-5); the outside of the rear frame (2) and the outside of the support plate (5-4) are both rotatably connected to a turning frame (5-6); and a third cylinder (5-7) is rotatably connected between the notches (5-5) via a pin shaft.

6. The oil drill pipe turning device according to claim 5, characterized in that: The turning frame (5-6) is in an L-shaped structure as a whole, and the turning frame (5-6) can be turned outwards by 45° by rotating the connection.

7. The oil drill pipe turning device according to claim 3, characterized in that: The surface of the conveying roller (4-8) is a concave V-shaped structure.

8. The oil drill pipe turning device according to claim 3, characterized in that: The top of the protective cover (4-9) is lower than the top of the conveying roller (4-8), and the top of the protective cover (4-9) is bent downward to form an inclined structural surface.

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