A continuous sucker rod automatic straightening device

Abstract

The present invention relates to the technical field of sucker rod straightening, and in particular to a continuous sucker rod automatic straightening device. The device comprises: a base, the base being equipped with an adjustment member, the base being slidably connected to a sliding frame, the sliding frame being equipped with a hydraulic power member, the telescopic end of the hydraulic power member being rotatably connected to an upper pressure block; a sliding block being slidably connected to the base; a connecting frame being provided on the sliding block, the connecting frame being provided with a rotating frame, the rotating frame being fixedly connected to a hydraulic push rod, the telescopic end of the hydraulic push rod being fixedly connected to a splint. The present invention blocks and supports both sides of the sucker rod by means of a splint, and in the process of straightening the sucker rod, increases the resistance that needs to be overcome when the sucker rod is deflected, thereby reducing the probability that the sucker rod continues to be compressed and produces local deformation after being deflected, thereby reducing the probability of damage to the sucker rod during the straightening process, and further ensuring the straightening effect of the sucker rod.

Description

Technical Field

[0001] The present invention relates to the technical field of sucker rod straightening, and particularly relates to a continuous sucker rod automatic straightening device. Background Art

[0002] The steel continuous sucker rod is made of high-quality chromium-nickel-molybdenum alloy steel through a special production process. Its cross-section is circular or oval. The finished product is composed of continuous rods of different specifications designed according to equal stress of the sucker rod, without couplings in the middle. The rod bodies of each specification are assembled through an advanced welding process. It is a core component of the oil production system. During the long-term use of the sucker rod, it is subjected to alternating loads, which will cause plastic bending deformation of the rod body of the sucker rod. In order to ensure the normal use of the sucker rod, it is necessary to regularly straighten the bent sucker rod. The existing sucker rod straightening device limits the two ends of the sucker rod, makes the bent part of the sucker rod arch upward, and directly uses a hydraulic structure to press and straighten the bent part of the sucker rod. During the use of this straightening method, once there is a horizontal deflection deformation at the position where the sucker rod arches upward itself, making the deformation direction of the sucker rod not single, but there are multiple bends in multiple directions, it will cause the whole sucker rod to deflect when being pressed, and the deflected sucker rod will be subjected to the deflection pressure brought by the hydraulic structure, resulting in local deformation of the sucker rod that is not conducive to straightening, causing damage to the sucker rod, and further affecting the straightening effect of the sucker rod. Summary of the Invention

[0003] In order to overcome the disadvantages pointed out in the above background, the present invention provides a continuous sucker rod automatic straightening device.

[0004] The technical solution of the present invention is as follows: A continuous sucker rod automatic straightening device, comprising:

[0005] A base, the base is provided with symmetrically distributed adjusting members, the base is slidably connected with a sliding frame, the sliding frame is provided with a hydraulic power member, and the telescopic end of the hydraulic power member is rotatably connected with an upper pressing block;

[0006] A sliding block, slidably connected to the base, the sliding block is fixedly connected with the sliding frame, and a lower pressing block is fixedly connected to one side of the sliding block close to the upper pressing block;

[0007] A connecting frame, arranged on the sliding block, the connecting frame is provided with a rotating frame, the rotating frame is fixedly connected with symmetrically distributed hydraulic push rods, the telescopic ends of the hydraulic push rods are fixedly connected with clamping plates, and a first elastic member is fixedly connected between the telescopic ends of the clamping plates and the adjacent hydraulic push rods.

[0008] Furthermore, the hydraulic push rod is fixedly connected to and communicated with a conduit, the conduit is communicated with an external liquid supply device, the symmetrically distributed conduits are commonly fixedly connected to and communicated with a shell, a rotating plate is rotatably connected inside the shell, and the rotating plate is used to control the communication status between the symmetrically distributed conduits.

[0009] Furthermore, it also includes:

[0010] An extrusion block is fixed to the rotating plate, and resistance blocks are provided on both sides of the extrusion block. The resistance blocks are elastic and are used to squeeze the resistance blocks on both sides thereof;

[0011] There are two extrusion frames, both of which are slidably connected to the sliding block. The resistance block is fixed to the adjacent extrusion frame on the side away from the extrusion block. The two resistance blocks are located between the two extrusion frames. One of the extrusion frames is slidably connected to a connecting piece, which is threadedly connected to the other extrusion frame. The connecting piece is used to adjust the distance between the two extrusion frames to control the deformation of the resistance block.

[0012] Furthermore, it also includes:

[0013] A motor is fixedly connected to the connecting frame, and an output shaft of the motor is fixedly connected to a gear;

[0014] An arc-shaped rack fixedly connected to the rotating frame, the arc-shaped rack meshing with the gear, and the rotating frame is rotatably connected to the connecting frame;

[0015] A sliding member, the rotating frame is rotatably connected to the limit frame portion near the upper pressure block, a counterweight block is fixed to the lower side of the limit frame portion, the sliding member is slidably connected to the limit frame portion of the rotating frame, the upper pressure block is provided with an arc groove, the sliding member slides in the arc groove, a second elastic member is provided between the sliding member and the upper pressure block, and the axis center of the circle where the arc groove is located is located below the rotation axis center of the rotating frame.

[0016] Furthermore, an electromagnetic slide rail is provided at a position of the sliding block close to the connecting frame, an electromagnetic slider is slidably connected in the electromagnetic slide rail of the sliding block, and the electromagnetic slider is fixedly connected to the connecting frame.

[0017] Furthermore, the axes of the symmetrically distributed hydraulic push rods and the rotation axis of the turret are on the same horizontal plane, and the axes of the hydraulic push rods are perpendicular to the rotation axis of the turret.

[0018] Furthermore, it also includes:

[0019] a flexible block, fixedly connected to the lower side of the upper pressing block;

[0020] A friction strip is fixedly connected to the lower side of the upper pressing block. The friction strip is in contact with the flexible block. The flexible block is located between the friction strip and the upper pressing block.

[0021] Furthermore, it also includes:

[0022] There are two symmetrically distributed electric push rods, which are respectively fixed to the two sides of the rotating frame, and the telescopic ends of the electric push rods are slidably connected to the upper clamp;

[0023] The number of the lower clamps is the same as that of the upper clamps, and the lower clamps are detachably connected to the adjacent upper clamps.

[0024] Furthermore, friction blocks are fixedly connected to opposite sides of the upper clamp and the adjacent lower clamp.

[0025] Furthermore, it also includes:

[0026] The first trigger blocks are the same in number as the upper clamps and are respectively fixed to adjacent upper clamps;

[0027] The number of the second trigger blocks is the same as that of the first trigger blocks, and the second trigger blocks are respectively fixed to both sides of the rotating frame. The first trigger block and the opposite sides of the adjacent second trigger block are respectively provided with a first inclined surface and a second inclined surface. The second inclined surface of the second trigger block guides the first trigger block through the adjacent first inclined surface, so that the first trigger block moves along the second inclined surface of the second trigger block.

[0028] The beneficial effects achieved by the present invention using the above structure are as follows: 1. The present invention blocks and supports both sides of the sucker rod by means of the splint, thereby increasing the resistance that needs to be overcome when the sucker rod deflects during the straightening process, thereby reducing the probability of the sucker rod being continuously compressed and locally deformed after being deflected, thereby reducing the probability of damage to the sucker rod during the straightening process, thereby ensuring the straightening effect of the sucker rod;

[0029] 2. By controlling the movement of the splint, when the deflection pressure on the sucker rod exceeds its own tolerance range, the sucker rod can be rotated to release the pressure on the sucker rod, thereby reducing the probability of local deformation caused by excessive pressure on the sucker rod, thereby ensuring the quality of the sucker rod after straightening;

[0030] 3. By adjusting the resistance exerted by the splint on the sucker rods with different wall thicknesses, the pressure that the sucker rods with different wall thicknesses can be adapted to. The resistance exerted by the splint on the sucker rods is proportional to the wall thickness of the sucker rods. When the sucker rods are compressed to the limit, the sucker rods can be deflected to release the pressure on the sucker rods, thereby reducing the probability of damage caused by excessive pressure on the sucker rods.

[0031] 4. Adjust the angle of the upper pressing block by squeezing it with the sliding piece. When the sucker rod deflects during the straightening process, keep the pressed position of the sucker rod relatively unchanged, so as to reduce the probability of the pressed position of the sucker rod changing due to deflection, thereby generating local deformation, and further ensuring the quality and efficiency of the straightening of the sucker rod;

[0032] 5. Use the upper hoop and the lower hoop to bend the area near the bending part of the sucker rod upward and pull the sucker rod on both sides of the bending part to assist in straightening the bending part of the sucker rod, thereby improving the efficiency of straightening the sucker rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0034] Figure 2 is a three-dimensional structural sectional view of the sliding frame of the present invention;

[0035] Figure 3 is a three-dimensional structural schematic diagram of the sliding block of the present invention;

[0036] Figure 4 is a three-dimensional structural sectional view of the rotating frame of the present invention;

[0037] Figure 5 is a three-dimensional structural schematic diagram of the hydraulic push rod of the present invention;

[0038] Figure 6 is a three-dimensional structural schematic diagram of the housing of the present invention;

[0039] Figure 7 is a three-dimensional structural sectional view of the housing of the present invention;

[0040] Figure 8 is a three-dimensional structural schematic diagram of the friction strip of the present invention;

[0041] Figure 9 is a three-dimensional structural schematic diagram of the upper hoop and the lower hoop of the present invention;

[0042] Figure 10 is a three-dimensional structural schematic diagram of the first trigger block and the second trigger block of the present invention.

[0043] The markings in the accompanying drawings are as follows: 1: base, 2: adjusting part, 3: sliding frame, 4: hydraulic power part, 5: upper pressure block, 6: sliding block, 7: lower pressure block, 8: connecting frame, 9: rotating frame, 10: hydraulic push rod, 11: splint, 12: conduit, 13: shell, 14: rotating plate, 15: extrusion block, 16: resistance block, 17: extrusion frame, 18: connecting part, 19: motor, 20: gear, 21: arc rack, 2101: sliding part, 2102: arc groove, 22: electromagnetic slider, 23: flexible block, 24: friction strip, 25: electric control push rod, 26: upper clamp, 27: lower clamp, 28: friction block, 29: first trigger block, 30: second trigger block. DETAILED DESCRIPTION

[0044] The present invention will be further described below with reference to the accompanying drawings and examples.

[0045] A continuous sucker rod automatic straightening device, such as Figures 1-6 As shown, it includes: a base 1, the base 1 is provided with a control terminal not shown in the figure, the base 1 is equipped with adjusting parts 2 that are symmetrically distributed on the left and right, the adjusting parts 2 are electrically connected to the control terminal, the adjusting parts 2 are used to limit the two ends of the sucker rod (the restriction form is not a hard clamp) and drive the sucker rod to rotate, the base 1 is slidably connected to a sliding frame 3, the sliding frame 3 is electrically connected to the control terminal, the sliding frame 3 is equipped with a hydraulic power part 4, the hydraulic power part 4 is electrically connected to the control terminal, the telescopic end of the hydraulic power part 4 is rotatably connected to the upper pressure block 5, the telescopic end of the hydraulic power part 4 is used to drive the upper pressure block 5 to move up and down; a sliding block 6 is slidably connected to the base 1, the sliding block 6 is fixed to the sliding frame 3, and the upper side of the sliding block 6 is fixed It is connected to a lower pressure block 7, and the opposite sides of the upper pressure block 5 and the lower pressure block 7 are both arc-shaped, which are used to clamp the sucker rod between the upper pressure block 5 and the lower pressure block 7; a connecting frame 8 is arranged on the sliding block 6, and the connecting frame 8 is provided with a rotating frame 9, and the rotating frame 9 is fixed with two hydraulic push rods 10 symmetrically distributed front and back, and the telescopic ends of the hydraulic push rods 10 are fixed with splints 11, and a first elastic member is fixed between the splints 11 and the telescopic ends of the adjacent hydraulic push rods 10, wherein the first elastic member is a compression spring. Initially, the hydraulic oil in the hydraulic push rod 10 is pumped out, and the telescopic end of the hydraulic push rod 10 is in a retracted state. Since the hydraulic oil in the hydraulic push rod 10 is pumped out, the telescopic end of the hydraulic push rod 10 cannot be extended, so the first elastic member is compressed and stored in a state.

[0046] like Figure 6 and Figure 7As shown, the hydraulic push rod 10 is fixedly connected to and communicated with a conduit 12, which is made of a high-strength flexible material (such as a nylon tube). The conduit 12 is communicated with an external fluid supply device, and the external fluid supply device is electrically connected to the control terminal. The conduits 12 symmetrically distributed in the front and back are fixedly connected to and communicated with a housing 13. A rotating plate 14 is rotatably connected in the housing 13. The housing 13 is provided with an internal chamber. The internal chamber of the housing 13 is cylindrical and has a diameter of X. The upper part of the rotating plate 14 is at Figure 1 The orthographic projection in the direction of the main view is a circle with a diameter of Y, X=Y, and the rotating plate 14 rotates eccentrically. The rotating plate 14 is used to control the communication state between the symmetrically distributed conduits 12. When the axis of the rotating plate 14 and the axis of the shell 13 are collinear, the rotating plate 14 blocks the shell 13, so that the hydraulic oil in the two conduits 12 cannot flow to each other. When the rotating plate 14 rotates so that the axis of the rotating plate 14 and the axis of the shell 13 are no longer collinear, the hydraulic oil in the two conduits 12 can be connected through the internal chamber of the shell 13.

[0047] like Figure 6 and Figure 7 As shown, it also includes: an extrusion block 15, which is fixed to the rotating plate 14, and resistance blocks 16 are provided on the front and rear sides of the extrusion block 15. The resistance blocks 16 are elastic. When the rotating plate 14 drives the extrusion block 15 to rotate, the extrusion block 15 squeezes one of the resistance blocks 16; there are two extrusion frames 17, and both are slidably connected to the sliding block 6. The side of the resistance block 16 away from the extrusion block 15 is fixed to the adjacent extrusion frame 17. The two resistance blocks 16 are both located between the two extrusion frames 17. The rear extrusion frame 17 is slidably connected with a connecting member 18, which can be a bolt. The connecting member 18 is threadedly connected to the front extrusion frame 17. By rotating the connecting member 18, the two extrusion frames 17 can be moved toward and away from each other, which is used to adjust the distance between the two extrusion frames 17 to control the deformation of the resistance block 16. A nut can be threadedly connected to the connecting member 18, and the nut is used to limit the extrusion frame 17.

[0048] like Figure 3-Figure 5 、 Figure 8 and Figure 9As shown, it also includes: a motor 19, which is fixed to the connecting frame 8, the motor 19 is electrically connected to the control terminal, and the output shaft of the motor 19 is fixed to a gear 20; an arc-shaped rack 21, which is fixed to the rotating frame 9, the arc-shaped rack 21 is meshed with the gear 20, and the rotating frame 9 is rotatably connected to the connecting frame 8; a sliding member 2101, the rotating frame 9 is rotatably connected to the position of the upper pressure block 5, and the lower side of the limiting frame is fixed with a counterweight block. The sliding member 2101 is slidably connected to the limiting frame portion of the rotating frame 9, so that when the rotating frame 9 rotates, the limiting frame portion is affected by the counterweight block on its lower side. , always maintain a vertical state, the upper pressure block 5 is provided with an arc groove 2102, the arc groove 2102 gradually bends downward from the middle to the front and rear sides, the sliding member 2101 slides in the arc groove 2102, and a second elastic member symmetrically distributed front and back is provided between the sliding member 2101 and the upper pressure block 5, wherein the second elastic member is a spring, and the axis of the circle where the arc groove 2102 is located is located below the rotation axis of the rotating frame 9, the axis of the symmetrically distributed hydraulic push rod 10 and the rotation axis of the rotating frame 9 are on the same horizontal plane, and the axis of the hydraulic push rod 10 is perpendicular to the rotation axis of the rotating frame 9.

[0049] like Figure 5 and Figure 9 As shown, the sliding block 6 is provided with an electromagnetic slide rail electrically connected to the control terminal near the connecting frame 8. The electromagnetic slider 22 is slidably connected in the electromagnetic slide rail of the sliding block 6. The electromagnetic slider 22 is fixed to the connecting frame 8. The electromagnetic slider 22 is used to drive the connecting frame 8 to move up and down, thereby adjusting the height of the rotating frame 9.

[0050] like Figure 8 As shown, it also includes; a flexible block 23, which is fixed to the lower side of the upper pressure block 5; a friction strip 24, which is fixed to the lower side of the upper pressure block 5, and the friction strip 24 is made of a flexible material. The friction strip 24 fits with the flexible block 23, and the flexible block 23 is located between the friction strip 24 and the upper pressure block 5. The flexible block 23 deforms so that the friction strip 24 wraps the sucker rod, thereby increasing the area of the sucker rod being pressed and dispersing the stress distribution on the sucker rod during the straightening process.

[0051] The specific working principle is as follows:

[0052] When the operator needs to use this device to straighten the sucker rod, the operator passes the sucker rod through the upper pressure block 5 and the lower pressure block 7, and limits the two ends of the sucker rod on the left and right adjustment parts 2 respectively. Then the operator opens the sliding frame 3 through the control terminal, so that the sliding frame 3 moves horizontally, and the sliding frame 3 drives the sliding block 6 to move horizontally. The sliding frame 3 and the sliding block 6 respectively drive the parts on them to move horizontally, so that the sliding frame 3 and the sliding block 6 move to the bending part of the sucker rod. Then the sliding frame 3 is closed through the control terminal, and the two adjustment parts 2 are opened. The two adjustment parts 2 jointly drive the sucker rod to rotate. At this time, the operator opens the external liquid supply device through the control terminal. The external liquid supply device injects hydraulic oil into the hydraulic push rod 10 through the conduit 12, so that the telescopic end of the hydraulic push rod 10 extends and drives the splint 11 to move. The two splints 11 move toward each other, and the first elastic part of the splint 11 pops out.

[0053] During the process of the two splints 11 moving towards each other, the sucker rod is driven to rotate by the adjusting part 2, and the two splints 11 contact and squeeze the sucker rod, adjusting the unstraightened sucker rod to a state where the bend is arched upward. Then the operator turns off the external liquid supply equipment through the control terminal and turns on the hydraulic power part 4. The telescopic end of the hydraulic power part 4 extends and drives the upper pressure block 5 to move downward, and the upper pressure block 5 drives the flexible block 23 to move downward, and the upper pressure block 5 drives the friction strip 24 to move downward. When the friction strip 24 moves to fit with the sucker rod, it is blocked by the sucker rod, and the middle part of the friction strip 24 is deformed upward, and the flexible block 23 is deformed under pressure. The friction strip 24 wraps the upper part of the sucker rod, dispersing the stress distribution on the sucker rod during the straightening process, reducing the probability of local deformation of the sucker rod due to stress concentration, and as the upper pressure block 5 moves downward, the bent sucker rod is gradually straightened.

[0054] During the downward movement of the upper pressure block 5, the lower pressure block 7 supports the lower part of the sucker rod, and the two clamping plates 11 block the front and rear sides of the sucker rod. During the straightening process of the sucker rod, the resistance that needs to be overcome when the sucker rod is deflected is increased, so as to reduce the probability that the sucker rod continues to be compressed and produces local deformation after being deflected, thereby reducing the probability of damage to the sucker rod during the straightening process.

[0055] When an operator needs to adjust the resistance generated by the clamping plate 11 on the sucker rod, the operator rotates the connecting piece 18 to move the two extrusion frames 17 towards or away from each other. Taking a sucker rod with a thick pipe wall as an example, the operator rotates the connecting piece 18 to move the two extrusion frames 17 towards each other. The extrusion frame 17 and the extrusion block 15 jointly extrude the resistance block 16, causing the resistance block 16 to deform, increasing the density of the resistance block 16, increasing the resistance to the rotation of the extrusion block 15, thereby increasing the force required for the rotation plate 14 to rotate, and further increasing the difficulty of the telescopic end of the hydraulic push rod 10 to contract, so as to increase the resistance generated by the clamping plate 11 on the sucker rod. Conversely, if the pipe wall is thin, the two extrusion frames 17 move away from each other, the deformation amount of the resistance block 16 decreases, the resistance required for the extrusion block 15 and the rotation plate 14 to rotate also decreases, the difficulty of the telescopic end of the hydraulic push rod 10 to contract decreases, and the resistance generated by the clamping plate 11 on the sucker rod decreases. Adjust the resistance generated by the clamping plate 11 on the sucker rod according to the wall thickness of the sucker rod, and reduce the risk that the sucker rod with a thin pipe wall is crushed by the upper pressing block 5 due to excessive blocking by the clamping plate 11.

[0056] During the straightening process of the sucker rod, when the deflection pressure on the sucker rod exceeds the range that its own strength can bear, taking the sucker rod deflecting backward as an example, the rear clamping plate 11 is pressed and moves backward, and the first elastic member of the rear clamping plate 11 is compressed and stores energy, causing the telescopic end of the rear hydraulic push rod 10 to contract. The hydraulic oil in the rear hydraulic push rod 10 flows into the housing 13 through the rear conduit 12. The hydraulic oil squeezes the rotation plate 14, and the rotation plate 14 drives the extrusion block 15 to rotate. The extrusion block 15 squeezes the rear resistance block 16, and the rear resistance block 16 deforms. The hydraulic oil in the rear conduit 12 flows into the front conduit 12 through the housing 13, causing the telescopic end of the front hydraulic push rod 10 to drive the adjacent clamping plate 11 to move backward, and the first elastic member of the front clamping plate 11 continues to pop out. The two clamping plates 11 move backward synchronously. When the deflection pressure on the sucker rod exceeds the range that its own strength can bear, the sucker rod rotates to release the pressure on the sucker rod, so as to reduce the probability of local deformation of the sucker rod due to excessive pressure, thereby ensuring the quality of the straightened sucker rod. And by the above steps, adjust the resistance applied by the clamping plate 11 to the sucker rod with different pipe wall thicknesses to adapt to the pressure that the sucker rod with different pipe wall thicknesses can bear. That is, the sucker rod with a thin pipe wall rotates when it is subjected to a small pressure to release the pressure on the sucker rod, reducing the probability of damage to the sucker rod due to excessive pressure, while the sucker rod with a thicker pipe wall can bear a greater pressure, thereby increasing the applicable range of the device.

[0057] When it is necessary to straighten sucker rods with different diameters, the operator turns on the electromagnetic slide rail through the control terminal, causing the electromagnetic slider 22 to move up and down. The electromagnetic slider 22 drives the rotating frame 9 to move up and down through the connecting frame 8. The rotating frame 9 drives the two hydraulic push rods 10 to move up and down. The telescopic ends of the hydraulic push rods 10 drive the clamping plates 11 to move up and down, so that the clamping plates 11 can always be located in the middle of the sucker rods with different diameters. The rotation axis of the rotating frame 9 is close to the axis of the sucker rod.

[0058] When the sucker rod is deflected and the clamping plate 11 moves, taking the rear clamping plate 11 moving backward as an example, the control terminal controls the motor 19 to turn on. The output shaft of the motor 19 drives the arc-shaped rack 21 to rotate clockwise through the gear 20 (the rotation direction is based on Figure 1 the right view). The arc-shaped rack 21 rotates clockwise around the rotation axis of the rotating frame 9, causing the rotating frame 9 to rotate clockwise. The rotating frame 9 drives the two clamping plates 11 to rotate clockwise through the two hydraulic push rods 10 respectively. At the same time, the rotating frame 9 drives its limiting frame part to rotate. After the limiting frame part rotates, the limiting frame part of the rotating frame 9 is affected by the lower counterweight, and the limiting frame part of the rotating frame 9 always maintains a vertical state. The limiting frame part of the rotating frame 9 drives the sliding part 2101 to move downward and backward. The sliding part 2101 moves along the arc-shaped groove 2102, causing the rear second elastic member to be compressed and the front second elastic member to be stretched. During the process of the sliding part 2101 moving along the arc-shaped groove 2102, it presses the upper pressing block 5 downward, causing the upper pressing block 5 to deflect clockwise by itself. Just at this time, the rear clamping plate 11 moves backward and the sucker rod deflects backward. The upper pressing block 5 rotates and continues to press the convex part where the sucker rod is bent. When the sucker rod is deflected during the straightening process, the pressed position of the sucker rod remains relatively unchanged, so as to reduce the probability of local deformation caused by the change of the pressed position due to the deflection of the sucker rod, thereby ensuring the quality and efficiency of the sucker rod straightening.

[0059] After a bend in the sucker rod is straightened, the operator controls the output shaft of the motor 19 to reverse and reset through the control terminal. The output shaft of the motor 19 drives the arc rack 21 to reverse and reset through the gear 20. The arc rack 21 drives the rotating frame 9 to reverse and reset. The rotating frame 9 drives the clamping plate 11 to reverse and reset through the hydraulic push rod 10. The rotating frame 9 drives its limit frame to reset. The limit frame drives the upper pressure block 5 to rotate and reset through the sliding member 2101. At the same time, the operator controls the telescopic end of the hydraulic power part 4 to reset through the control terminal. The telescopic end of the hydraulic power part 4 drives the upper pressure block 5 to move upward and reset. The upper pressure block 5 drives the flexible block 23 The friction strip 24 moves and resets, so that the flexible block 23 and the friction strip 24 no longer deform, and the upper part of the sucker rod is no longer under pressure. The operator controls the adjusting member 2 through the control terminal, and the adjusting member 2 drives the sucker rod to rotate, and adjusts the unstraightened sucker rod to a state where the bend is arched upward. The first elastic members of the two splints 11 pop out and reset, and the splint 11 moves and resets and drives the telescopic end of the hydraulic push rod 10 to reset (the reset of the hydraulic push rod 10 resets the flow of hydraulic oil in the conduit 12, and the resistance block 16 resets and temporarily stops deforming, so that the squeezing block 15 and the rotating plate 14 reset). Finally, repeat the above steps to continue straightening the sucker rod.

[0060] When the sucker rod is straightened, the operator controls the telescopic end of the hydraulic power component 4 through the control terminal to drive the upper pressure block 5 to move upward, and then controls the external fluid supply device to be turned on through the control terminal. The external fluid supply device extracts the hydraulic oil in the conduit 12, causing the telescopic end of the hydraulic push rod 10 to contract, and the first elastic part of the hydraulic push rod 10 is compressed and stored. The telescopic end of the hydraulic push rod 10 drives the splint 11 to reset. The operator removes the sucker rod and collects the straightened sucker rod. Then the operator turns off the hydraulic power component 4, the adjusting component 2, the external fluid supply device, the motor 19 and the electromagnetic slider 22 through the control terminal, and finally cleans the device for the next use.

[0061] like Figure 3 and Figure 9 As shown, it also includes: two electric control push rods 25, which are symmetrically distributed on the left and right sides and are respectively fixed to the left and right sides of the rotating frame 9, the electric control push rods 25 are electrically connected to the control terminal, and the telescopic end of the electric control push rod 25 is slidably connected to the upper clamp 26; the lower clamps 27, the number of which is the same as the number of the upper clamps 26, and are respectively detachably connected to the adjacent upper clamps 26, and the connection between the upper clamps 26 and the adjacent lower clamps 27 can be a bolt connection.

[0062] like Figure 10 As shown, friction blocks 28 are fixed to opposite sides of the upper clamp 26 and the adjacent lower clamp 27. The friction blocks 28 are used to increase the friction between the sucker rod and the upper clamp 26, thereby reducing the probability of the sucker rod rotating during the straightening process.

[0063] As shown Figure 9 and Figure 10 shown, it further includes: a first trigger block 29, the number of which is the same as that of the upper hoop 26, and are respectively fixedly connected to adjacent upper hoops 26; a second trigger block 30, the number of which is the same as that of the first trigger block 29, and are respectively fixedly connected to the left and right sides of the rotating frame 9. The opposite sides of the first trigger block 29 and the adjacent second trigger block 30 are respectively provided with a first inclined surface and a second inclined surface. When the first trigger block 29 moves upward, the first trigger block 29 is blocked by the adjacent second trigger block 30, and the second inclined surface of the second trigger block 30 guides the first trigger block 29 through the adjacent first inclined surface, so that the first trigger block 29 moves along the second inclined surface of the second trigger block 30. The second inclined surface is located on the side of the second trigger block 30 away from the rotating frame 9, so that the two first trigger blocks 29 move away from each other during the upward movement.

[0064] The specific working principle is as follows:

[0065] Initially, the upper hoop 26 and the lower hoop 27 are not installed together. After the sliding frame 3 moves to the bent part of the sucker rod, the operator installs the lower hoop 27 on the upper hoop 26 and makes the sucker rod pass through the space between the lower hoop 27 and the upper hoop 26.

[0066] When the telescopic end of the hydraulic power component 4 drives the upper pressing block 5 to move downward to squeeze the sucker rod, the operator turns on the electric control push rod 25 through the control terminal. The telescopic end of the electric control push rod 25 drives the upper hoop 26 to move upward. The upper hoop 26 and the lower hoop 27 jointly drive the area near the bent part of the sucker rod to move upward. During the upward movement of the upper hoop 26, the upper hoop 26 drives the first trigger block 29 to move upward. Limited by the second trigger block 30, the first trigger block 29 moves along the second inclined surface of the second trigger block 30, so that the two upper hoops 26 move away from each other during the upward movement. Through the two upper hoops 26 and the two lower hoops 27, the area near the bent part of the sucker rod is bent upward, and the sucker rod is pulled to the left and right sides of the bent part, assisting in straightening the bent part of the sucker rod, thereby improving the efficiency of straightening the sucker rod.

[0067] In summary, the above is only a preferred embodiment of the present invention and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A continuous sucker rod automatic straightening device, characterized by comprising There are: A base (1), symmetrically distributed adjusting members (2) are installed on the base (1), a sliding frame (3) is slidably connected to the base (1), a hydraulic power member (4) is installed on the sliding frame (3), and a telescopic end of the hydraulic power member (4) is rotatably connected to an upper pressing block (5); A sliding block (6) is slidably connected to the base (1), the sliding block (6) is fixedly connected to the sliding frame (3), and a lower pressing block (7) is fixedly connected to a side of the sliding block (6) close to the upper pressing block (5); A connecting frame (8) is arranged on the sliding block (6), a rotating frame (9) is arranged on the connecting frame (8), symmetrically distributed hydraulic push rods (10) are fixedly connected to the rotating frame (9), a clamping plate (11) is fixedly connected to a telescopic end of the hydraulic push rod (10), and a first elastic member is fixedly connected between the clamping plate (11) and a telescopic end of an adjacent hydraulic push rod (10); The hydraulic push rod (10) is fixedly connected and communicated with a conduit (12), the conduit (12) is communicated with an external liquid supply device, symmetrically distributed conduits (12) are jointly fixedly connected and communicated with a housing (13), a rotating plate (14) is rotatably connected in the housing (13), and the rotating plate (14) is used for controlling a communication state between the symmetrically distributed conduits (12); A squeezing block (15) is fixedly connected to the rotating plate (14), resistance blocks (16) are arranged on both sides of the squeezing block (15), the resistance blocks (16) are elastic, and the squeezing block (15) is used for squeezing the resistance blocks (16) on both sides thereof; A motor (19) is fixedly connected to the connecting frame (8), and a gear (20) is fixedly connected to an output shaft of the motor (19); There also includes: An arc-shaped rack (21) is fixedly connected to the rotating frame (9), the arc-shaped rack (21) is engaged with the gear (20), and the rotating frame (9) is rotatably connected to the connecting frame (8); A sliding member (2101), a limiting frame part is rotatably connected to a position of the rotating frame (9) close to the upper pressing block (5), a counterweight block is fixedly connected to a lower side of the limiting frame part, the sliding member (2101) is slidably connected to the limiting frame part of the rotating frame (9), an arc-shaped groove (2102) is arranged on the upper pressing block (5), the sliding member (2101) slides in the arc-shaped groove (2102), a second elastic member is arranged between the sliding member (2101) and the upper pressing block (5), and a center of a circle where the arc-shaped groove (2102) is located is below a rotation axis on the rotating frame (9).

2. The continuous sucker rod automatic straightening device according to claim 1, characterized in that, There also includes: The extrusion frame (17) has two members, both of which are slidably connected to the sliding block (6). One side of the resistance block (16) away from the extrusion block (15) is fixedly connected to the adjacent extrusion frame (17). Both of the two resistance blocks (16) are located between the two extrusion frames (17). A connecting member (18) is slidably connected to one of the extrusion frames (17), and the connecting member (18) is threadedly connected to the other extrusion frame (17). The connecting member (18) is used to adjust the distance between the two extrusion frames (17) to control the deformation amount of the resistance block (16).

3. A continuous sucker rod automatic straightening device according to claim 2, characterized in that, An electromagnetic slide rail is provided at the position of the sliding block (6) close to the connecting frame (8). An electromagnetic slider (22) is slidably connected in the electromagnetic slide rail of the sliding block (6), and the electromagnetic slider (22) is fixedly connected to the connecting frame (8).

4. A continuous sucker rod automatic straightening device according to claim 3, characterized in that, The axes of the symmetrically distributed hydraulic push rods (10) and the axis of rotation of the rotating frame (9) are on the same horizontal plane, and the axis of the hydraulic push rod (10) is perpendicular to the axis of rotation of the rotating frame (9).

5. A continuous sucker rod automatic straightening device according to claim 2, characterized in that, It further includes: A flexible block (23) fixedly connected to the lower side of the upper pressing block (5); A friction strip (24) fixedly connected to the lower side of the upper pressing block (5). The friction strip (24) is attached to the flexible block (23), and the flexible block (23) is located between the friction strip (24) and the upper pressing block (5).

6. A continuous sucker rod automatic straightening device according to claim 4, characterized in that, It further includes: Electric control push rods (25), there are two symmetrically distributed ones, and they are respectively fixedly connected to both sides of the rotating frame (9). The telescopic ends of the electric control push rods (25) are slidably connected to upper hoops (26); Lower hoops (27), the number of which is the same as that of the upper hoops (26), and they are respectively detachably connected to the adjacent upper hoops (26).

7. A continuous sucker rod automatic straightening device according to claim 6, characterized in that, Friction blocks (28) are fixedly connected to the opposing sides of the upper hoops (26) and the adjacent lower hoops (27).

8. A continuous sucker rod automatic straightening device according to claim 6, characterized in that, It further includes: First trigger blocks (29), the number of which is the same as that of the upper hoops (26), and they are respectively fixedly connected to the adjacent upper hoops (26); Second trigger blocks (30), the number of which is the same as that of the first trigger blocks (29), and they are respectively fixedly connected to both sides of the rotating frame (9). First inclined surfaces and second inclined surfaces are respectively provided on the opposing sides of the first trigger blocks (29) and the adjacent second trigger blocks (30). The second inclined surface of the second trigger block (30) guides the first trigger block (29) through the adjacent first inclined surface, so that the first trigger block (29) moves along the second inclined surface of the second trigger block (30).

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