Multi-roller drill rod straightening machine

Abstract

The utility model relates to the technical field of straightening machines, and discloses a multi-roller drill rod straightening machine which comprises a machine frame mechanism, a plurality of straightening roller mechanisms are fixedly arranged in the middle of the inner bottom face of the machine frame mechanism, the machine frame mechanism comprises a bottom plate, fixing frames are fixedly arranged at the four corners of the upper end of the bottom plate, and a plurality of hydraulic cylinders are fixedly arranged at the upper ends of the fixing frames. Servo motors are fixedly arranged at the lower ends of the hydraulic cylinders through threads, upper rollers are fixedly arranged at the output ends of the servo motors, and two first spring dampers are fixedly arranged on the rear side of the lower end of the fixing frame. According to the pipe straightening device, the upper roller and the lower roller are matched, so that a pipe can rotate around the axis and move in the axial direction, straightening force can be applied to all parts of the pipe more comprehensively and evenly in the composite motion mode, bending deformation of the pipe is effectively eliminated, and the straightening quality is improved; and it is ensured that the straightened drill pipe can meet corresponding use standards and process requirements.

Description

Technical Field

[0001] This utility model relates to the field of straightening machine technology, and in particular to a multi-roller drill rod straightening machine. Background Technology

[0002] A straightening machine is a device used to straighten metal profiles, bars, pipes, and wires. Currently, most oil fields use the ZX-150T pressure straightening machine. Its working principle is to support the workpiece with its original bend between two movable fulcrums on the worktable, and use the pressure head to reverse the bending and straighten the most curved part.

[0003] However, this straightening method is effective for drill bits that only bend in one direction. For drill bits that bend in multiple directions (snake-like bends), the production efficiency and straightening effect are not satisfactory. Furthermore, the pressure straightening machine cannot transport drill bits for loading and unloading operations, requiring manual handling, which is labor-intensive and cannot meet people's needs.

[0004] Therefore, those skilled in the art have provided multi-roll drill pipe straightening machines to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a multi-roller drill pipe straightening machine. This device uses upper and lower rollers in cooperation to enable the pipe to both rotate around the axis and move along the axial direction. This composite motion method can apply straightening force to all parts of the pipe more comprehensively and evenly, effectively eliminating bending deformation of the pipe, improving straightening quality, and ensuring that the straightened drill pipe meets the corresponding usage standards and process requirements.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-roller drill rod straightening machine, including a frame mechanism, wherein multiple straightening roller mechanisms are fixedly arranged at the center of the bottom surface of the frame mechanism, the frame mechanism includes a base plate, and fixed frames are fixedly arranged at the four corners of the upper end of the base plate. Multiple hydraulic cylinders are fixedly arranged at the upper end of the fixed frames, and servo motors are fixedly arranged at the lower ends of the multiple hydraulic cylinders by threads. Upper rollers are fixedly arranged at the output ends of the multiple servo motors. Two No. 1 spring dampers are fixedly arranged at the rear side of the lower end of the fixed frames, and mounting plates are fixedly arranged at the upper ends of the multiple upper rollers.

[0007] The plurality of straightening roller mechanisms include fixed disks, with toothed rings fixedly disposed at the upper end of the inner surface of the plurality of fixed disks, and a visible rotating disk rotatably disposed at the middle of the upper end of the plurality of fixed disks. Mounting brackets are fixedly disposed on both sides of the upper end of the plurality of visible rotating disks, and a hydraulic motor is fixedly disposed on the inner wall of one side of the plurality of mounting brackets. A lower roller is fixedly disposed at the output end of the plurality of hydraulic motors, and an adjusting mechanism is fixedly disposed at the middle of the upper end of the plurality of visible rotating disks. The plurality of adjusting mechanisms include handwheels, with bevel gears fixedly disposed at the lower end of the plurality of handwheels, and threaded rods fixedly disposed at the front end of the plurality of bevel gears. Threaded boxes are threadedly fitted on the outer surface of the plurality of threaded rods.

[0008] Furthermore, a locking block is fixedly provided on the outer surface of the plurality of threaded boxes, a rotating shaft is fixedly provided at the rear end of the plurality of threaded rods, and a spring body is fixedly provided on both sides of the rear end of the locking block.

[0009] Furthermore, a baffle is fixedly installed at the lower end of the inner surface of the fixed disk, and a degree line is fixedly installed at the upper end of the fixed disk.

[0010] Furthermore, a second baffle is fixedly installed at the lower end of the visual rotating disk, and a pointer is fixedly installed at the front position of the upper end of the visual rotating disk.

[0011] Furthermore, a shock-absorbing pad is fixedly installed at the lower end of the base plate, and anchor bolts are threaded at the four corners of the upper end of the base plate.

[0012] Furthermore, an installation groove is provided at the front end of the interior of the visible rotating disk.

[0013] Furthermore, a second spring damper is fixedly installed at the middle position of the lower end of the base plate.

[0014] This utility model has the following beneficial effects:

[0015] 1. The multi-roller drill pipe straightening machine proposed in this utility model, through the cooperation of upper and lower rollers, allows the pipe to rotate around its axis and move axially. This composite motion method can apply straightening force to all parts of the pipe more comprehensively and evenly, effectively eliminating bending deformation of the pipe, improving straightening quality, and ensuring that the straightened drill pipe meets the corresponding usage standards and process requirements. Furthermore, the position of the middle section of the pipe can be adjusted through the cooperation of the upper and lower rollers, facilitating use with the loading and unloading mechanism, reducing manual labor output, and simplifying operation. 2. The multi-roller drill pipe straightening machine proposed in this utility model is equipped with a hydraulic cylinder, which can drive the upper roller to adjust up and down to apply different pressures to the pipe. The servo motor at the lower end of the hydraulic cylinder can adjust the angle of the upper roller. The straightening roller mechanism can also utilize an adjustment mechanism composed of handwheels, bevel gears, etc., to easily adjust the angle of the lower roller. During adjustment, a spring body provides limit protection. This flexible adjustment capability of the upper and lower rollers at multiple angles and directions allows it to adapt to the straightening needs of drill pipes with various bending conditions, improving the equipment's versatility and straightening effect. Attached Figure Description

[0016] Figure 1 This is an isometric schematic diagram of the present invention;

[0017] Figure 2 This is a bottom-view axonometric schematic diagram of the present invention;

[0018] Figure 3 This is an isometric schematic diagram of the straightening roller mechanism of this utility model;

[0019] Figure 4 This is an isometric view of the unfolded fixed disk of this utility model.

[0020] Legend:

[0021] 1. Frame mechanism; 2. Straightening roller mechanism; 101. Base plate; 102. Fixing frame; 103. Hydraulic cylinder; 104. Servo motor; 105. Mounting plate; 106. Upper roller; 107. No. 1 spring damper; 108. Shock-absorbing pad; 109. Anchor bolt; 110. No. 2 spring damper; 201. Fixing plate; 202. Visual rotating plate; 203. Adjustment mechanism; 204. Pointer; 205. Degree line; 206. Mounting frame; 207. Hydraulic motor; 208. Lower roller; 209. No. 1 baffle; 210. Gear ring; 211. No. 2 baffle; 212. Mounting groove; 20301. Handwheel; 20302. Bevel gear; 20303. Locking block; 20304. Threaded rod; 20305. Threaded box; 20306. Spring body. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figure 1-2 An embodiment of this utility model provides a multi-roller drill rod straightening machine, including a frame mechanism 1. The frame mechanism 1 includes a base plate 101. Fixed frames 102 are fixedly installed at the four corners of the upper end of the base plate 101. Multiple hydraulic cylinders 103 are fixedly installed at the upper end of the fixed frames 102. Servo motors 104 are fixedly installed at the lower end of the multiple hydraulic cylinders 103 by threads. Upper rollers 106 are fixedly installed at the output end of the multiple servo motors 104. Two No. 1 spring dampers 107 are fixedly installed at the rear side of the lower end of the fixed frame 102. Mounting plates 105 are fixedly installed at the upper end of the multiple upper rollers 106. Shock-absorbing pads 108 are fixedly installed at the lower end of the base plate 101. Anchor bolts 109 are threaded at the four corners of the upper end of the base plate 101. A No. 2 spring damper 110 is fixedly installed at the middle of the lower end of the base plate 101.

[0024] Specifically, the base plate 101 works in conjunction with the fixed frame 102 to withstand various forces generated during the straightening process, ensuring the stability and rigidity of the equipment. The hydraulic cylinder 103 drives the upper roller 106 to adjust up and down to apply pressure to the pipe. The servo motor 104 is used to adjust the angle of the upper roller 106. The first spring damper 107 works in conjunction with the second spring damper 110 to absorb and buffer the vibration generated during the operation of the device, reducing the impact of vibration on the straightening of the pipe. The shock-absorbing pad 108 helps to buffer the vibration generated during the operation of the device. The anchor bolts 109 facilitate the stable installation of the device on the ground.

[0025] Reference Figure 3-4Multiple straightening roller mechanisms 2 are fixedly installed at the center of the bottom surface of the frame mechanism 1. Each straightening roller mechanism 2 includes a fixed disk 201. A toothed ring 210 is fixedly installed at the upper end of the inner surface of each fixed disk 201. A visible rotating disk 202 is rotatably installed at the center of the upper end of each fixed disk 201. Mounting brackets 206 are fixedly installed on both sides of the upper end of each visible rotating disk 202. A hydraulic motor 207 is fixedly installed on the inner wall of one side of each mounting bracket 206. A lower roller 208 is fixedly installed at the output end of each hydraulic motor 207. An adjusting mechanism 203 is fixedly installed at the center of the upper end of each visible rotating disk 202. The adjusting mechanism 203 includes a handwheel 20301. A bevel gear 2030 is fixedly installed at the lower end of each handwheel 20301. 2. Multiple bevel gears 20302 are fixedly provided with threaded rods 20304 at their front ends. Threaded boxes 20305 are threadedly fitted on the outer surfaces of the multiple threaded rods 20304. Locking blocks 20303 are fixedly provided on the outer surfaces of the multiple threaded boxes 20305. Rotating shafts are fixedly provided at the rear ends of the multiple threaded rods 20304. A first baffle 209 is fixedly provided at the lower end of the inner surface of the fixed disk 201. An angle line 205 is fixedly provided at the upper end of the fixed disk 201. A second baffle 211 is fixedly provided at the lower end of the visible rotating disk 202. A pointer 204 is fixedly provided at the front side of the upper end of the visible rotating disk 202. An installation groove 212 is opened at the front end of the interior of the visible rotating disk 202. Spring bodies 20306 are fixedly provided on both sides of the rear end of the locking blocks 20303.

[0026] Specifically, the fixed plate 201 facilitates the installation of the visible rotating plate 202, which in turn facilitates the rotation and adjustment of the lower roller 208's angle. The retaining ring 210 helps to cooperate with the retaining block 20303 to limit the position of the visible rotating plate 202. The mounting bracket 206 facilitates the installation of the lower roller 208 and the hydraulic motor 207. The hydraulic motor 207 easily drives the lower roller 208 to rotate, thereby cooperating with the upper roller 106 to drive the middle tube to rotate around the axis and move axially. When the handwheel 20301 rotates, it easily drives the bevel gear 20302 to rotate. When the bevel gear 20302 rotates, it easily drives the threaded rod 20304 to rotate. When the threaded rod 20304 rotates, it drives the outer surface threaded box 20305 and the retaining block 20303 to move backward. During movement, the spring body 20306 is compressed. When the locking block 20303 disengages from the toothed ring 210, the visible rotating disk 202 can be rotated to adjust the angle. After adjustment, the handwheel 20301 is rotated in the opposite direction to reset the locking block 20303. The spring body 20306 plays a certain limiting role. Ordinary collisions with the handwheel 20301 will not affect the handwheel 20301. The handwheel 20301 needs to be rotated forcefully to adjust the position of the locking block 20303. The rotating shaft facilitates the installation of the bevel gear 20302. The first baffle 209 is located above the second baffle 211 to prevent the visible rotating disk 202 from falling off. The pointer 204 is used in conjunction with the degree line 205 to facilitate angle adjustment by the operator.

[0027] Working principle: First, the equipment is stably installed on the ground by anchor bolts 109. The shock-absorbing pads 108, the first spring damper 107, and the second spring damper 110 work together to effectively buffer and absorb the vibration generated during the operation of the device, ensuring the overall stability of the equipment. Then, the pipe is fed into the straightening roller mechanism 2 through the feeding mechanism. Multiple hydraulic cylinders 103 drive the servo motor 104 and the upper roller 106 fixed at its lower end to move up and down, thereby applying appropriate pressure to the drill pipe placed on the straightening roller mechanism 2. The servo motor 104 can adjust the angle of the upper roller 106 to better adapt to drill pipes with different degrees of curvature and shapes.

[0028] Secondly, the visible rotating disk 202 in the straightening roller mechanism 2 is installed and positioned via the fixed disk 201. When the angle of the lower roller 208 needs to be adjusted, the operator rotates the handwheel 20301. The handwheel 20301 drives the bevel gear 20302 to rotate, which in turn causes the threaded rod 20304 to rotate. The rotation of the threaded rod 20304 drives the outer surface threaded box 20305 and the locking block 20303 to move backward. At the same time, the spring body 20306 is compressed. After the locking block 20303 disengages from the toothed ring 210, the visible rotating disk 202 can be rotated to the desired angle. After adjustment, Reverse rotation of handwheel 20301 resets the locking block 20303, fixing the position of the visible rotating disk 202. Hydraulic motor 207 drives the lower roller 208 to rotate. The lower roller 208 cooperates with the upper roller 106, causing the middle pipe located between them to rotate around the axis and move axially. In this process, the pressure applied by the upper roller 106 and the rotation and axial movement generated by the cooperation of the upper and lower rollers 208 gradually straighten the bent drill pipe. The pointer 204, together with the degree line 205, can help the operator to accurately adjust the angle of the visible rotating disk 202 and the lower roller 208 for easy use.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-roll drill rod straightening machine, comprising a frame mechanism (1), characterized in that: Multiple straightening roller mechanisms (2) are fixedly installed in the middle of the inner bottom surface of the frame mechanism (1). The frame mechanism (1) includes a base plate (101). Fixed frames (102) are fixedly installed at the four corners of the upper end of the base plate (101). Multiple hydraulic cylinders (103) are fixedly installed at the upper end of the fixed frames (102). Servo motors (104) are fixedly installed at the lower end of the multiple hydraulic cylinders (103) by threads. Upper rollers (106) are fixedly installed at the output end of the multiple servo motors (104). Two No. 1 spring dampers (107) are fixedly installed at the rear side of the lower end of the fixed frame (102). Mounting plates (105) are fixedly installed at the upper end of the multiple upper rollers (106). The plurality of straightening roller mechanisms (2) include fixed disks (201), with toothed rings (210) fixedly arranged at the upper end of the inner surface of the plurality of fixed disks (201), and a visible rotating disk (202) rotatably arranged at the middle of the upper end of the plurality of fixed disks (201). Mounting brackets (206) are fixedly arranged on both sides of the upper end of the plurality of visible rotating disks (202), and a hydraulic motor (207) is fixedly arranged on the inner wall of one side of the plurality of mounting brackets (206). The plurality of hydraulic motors (207) output... A lower roller (208) is fixedly provided at the end. An adjustment mechanism (203) is fixedly provided at the middle position of the upper end of the plurality of visible rotating disks (202). The plurality of adjustment mechanisms (203) include handwheels (20301). A bevel gear (20302) is fixedly provided at the lower end of the plurality of handwheels (20301). A threaded rod (20304) is fixedly provided at the front end of the plurality of bevel gears (20302). A threaded box (20305) is threaded on the outer surface of the plurality of threaded rods (20304).

2. The multi-roller drill rod straightening machine according to claim 1, characterized in that: A locking block (20303) is fixedly provided on the outer surface of a plurality of threaded boxes (20305), and a rotating shaft is fixedly provided at the rear end of a plurality of threaded rods (20304). A spring body (20306) is fixedly provided on both sides of the rear end of the locking block (20303).

3. The multi-roller drill rod straightening machine according to claim 1, characterized in that: A baffle (209) is fixedly installed at the lower end of the inner surface of the fixed plate (201), and a degree line (205) is fixedly installed at the upper end of the fixed plate (201).

4. The multi-roller drill rod straightening machine according to claim 1, characterized in that: A second baffle (211) is fixedly installed at the lower end of the visual rotating disk (202), and a pointer (204) is fixedly installed at the front side of the upper end of the visual rotating disk (202).

5. The multi-roller drill rod straightening machine according to claim 1, characterized in that: A shock-absorbing pad (108) is fixedly installed at the lower end of the base plate (101), and anchor bolts (109) are threaded at the four corners of the upper end of the base plate (101).

6. The multi-roller drill rod straightening machine according to claim 1, characterized in that: The front end of the visible rotating disk (202) has an installation groove (212).

7. The multi-roller drill rod straightening machine according to claim 1, characterized in that: A second spring damper (110) is fixedly installed at the lower middle position of the base plate (101).

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