Continuous sucker rod automatic straightening device

Abstract

The invention relates to the technical field of sucker rod straightening, in particular to a continuous sucker rod automatic straightening device. Comprising a base, the base is provided with an adjusting piece, the base is connected with a sliding frame in a sliding mode, the sliding frame is provided with a hydraulic power piece, and the telescopic end of the hydraulic power piece is rotationally connected with an upper pressing block; the sliding block is connected to the base in a sliding manner; the connecting frame is arranged on the sliding block, the connecting frame is provided with a rotating frame, the rotating frame is fixedly connected with a hydraulic push rod, and the telescopic end of the hydraulic push rod is fixedly connected with a clamping plate. The two sides of the sucker rod are blocked through the clamping plates, the two sides of the sucker rod are supported, and in the straightening process of the sucker rod, resistance needing to be overcome when the sucker rod deflects is increased, so that the probability that after the sucker rod deflects, the sucker rod is still pressed continuously and locally deforms is reduced, and the straightening quality of the sucker rod is improved. Therefore, the probability that the sucker rod is damaged in the straightening process is reduced, and the straightening effect of the sucker rod is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of pumping rod straightening, in particular to a continuous pumping rod automatic straightening device. Background Art

[0002] Steel continuous sucker rods are made of high-quality chromium-nickel-molybdenum alloy steel and processed through a special production process. The cross-section is round or elliptical. The finished product is designed according to the stress of the sucker rod and is composed of continuous rods of different specifications. There is no coupling in the middle. The rods of various specifications are assembled through advanced welding technology. It is the 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 the rod body of the sucker rod to undergo plastic bending deformation. In order to ensure the normal use of the sucker rod, it is necessary to straighten the bent sucker rod regularly. The existing sucker rod straightening device straightens the two ends of the sucker rod. After limiting the end, the bent part of the sucker rod is arched upward, and the hydraulic structure is directly used to straighten the bent part of the sucker rod. During the use of this straightening method, once the upward arched position of the sucker rod itself has a horizontal deflection, the deformation direction of the sucker rod is not single, but there are multiple sections and multiple directions of bends, which will cause the sucker rod to deflect as a whole when under pressure, and the deflected sucker rod will be subject to the deflection pressure brought by the hydraulic structure, which will cause the sucker rod to have a local deformation 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 shortcomings mentioned in the above background, the present invention provides a continuous sucker rod automatic straightening device.

[0004] The technical solution of the present invention is: a continuous sucker rod automatic straightening device, comprising: A base, wherein the base is equipped with symmetrically distributed adjusting parts, the base is slidably connected to a sliding frame, the sliding frame is equipped with a hydraulic power part, and the telescopic end of the hydraulic power part is rotatably connected to an upper pressing block; A sliding block is slidably connected to the base, the sliding block is fixedly connected to the sliding frame, and a lower pressing block is fixedly connected to a side of the sliding block close to the upper pressing block; A connecting frame is 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 clamping plate and the telescopic ends of the adjacent hydraulic push rods.

[0005] Furthermore, the hydraulic push rod is fixedly connected to and communicated with a conduit, the conduit is communicated with an external fluid 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 connection state between the symmetrically distributed conduits.

[0006] Furthermore, it also includes: An extrusion block is fixedly connected to the rotating plate, and resistance blocks are arranged on both sides of the extrusion block. The resistance blocks are elastic and are used to extrude the resistance blocks on both sides thereof; The extrusion frames have two, and both are slidably connected to the sliding block. The resistance block is fixedly connected to the adjacent extrusion frame on one 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, and the connecting piece 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.

[0007] Furthermore, it also includes: A motor is fixedly connected to the connecting frame, and a gear is fixedly connected to an output shaft of the motor; An arc-shaped rack is fixed to the rotating frame, the arc-shaped rack is meshed with the gear, and the rotating frame is rotatably connected to the connecting frame; A sliding member, the rotating frame is rotatably connected to a limited frame portion near the upper pressure block, a counterweight block is fixed to the lower side of the limited frame portion, the sliding member is slidably connected to the limited 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.

[0008] 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 inside the electromagnetic slide rail of the sliding block, and the electromagnetic slider is fixedly connected to the connecting frame.

[0009] Furthermore, the axes of the symmetrically distributed hydraulic push rods and the rotation axis of the rotating frame are on the same horizontal plane, and the axes of the hydraulic push rods are perpendicular to the rotation axis of the rotating frame.

[0010] Furthermore, it also includes: A flexible block, fixedly connected to the lower side of the upper pressing block; 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, and the flexible block is located between the friction strip and the upper pressing block.

[0011] Furthermore, it also includes: The electric control push rods are symmetrically distributed and respectively fixed to the two sides of the rotating frame, and the telescopic ends of the electric control push rods are slidably connected to the upper clamps; 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.

[0012] Furthermore, friction blocks are fixedly connected to opposite sides of the upper clamp and the adjacent lower clamp.

[0013] Furthermore, it also includes: The first trigger blocks have the same number as the upper clamps and are respectively fixed to adjacent upper clamps; The number of the second trigger blocks is the same as that of the first trigger blocks, and they 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.

[0014] 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 clamping plate, and in the process of straightening the sucker rod, increases the resistance that needs to be overcome when the sucker rod is deflected, so as to reduce the probability that the sucker rod continues to be 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; 2. By controlling the movement of the splint, when the deflection pressure on the sucker rod exceeds the range it can bear, the sucker rod can be rotated to release the pressure on the sucker rod, so as to reduce the probability of local deformation caused by excessive pressure on the sucker rod, thereby ensuring the quality of the sucker rod after straightening; 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 withstand can be adapted. Even if the resistance exerted by the splint on the sucker rod is proportional to the wall thickness of the sucker rod, the sucker rod can be deflected when the sucker rod is compressed to the limit to release the pressure on the sucker rod, thereby reducing the probability of damage caused by excessive pressure on the sucker rod; 4. By squeezing the upper pressing block through the sliding part and adjusting the angle of the upper pressing block, when the sucker rod deflects 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 of the sucker rod due to deflection, thereby ensuring the quality and efficiency of the sucker rod straightening; 5. Use the upper and lower clamps to bend the area near the bend of the sucker rod upward, and pull the sucker rod to both sides of the bend to assist in straightening the bend of the sucker rod, thereby improving the efficiency of sucker rod straightening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a three-dimensional structural cross-sectional view of the sliding frame of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the sliding block of the present invention; Figure 4 It is a three-dimensional structural cross-sectional view of the rotating frame of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the hydraulic push rod of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the housing of the present invention; Figure 7 It is a three-dimensional structural cross-sectional view of the housing of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the friction strip of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the upper clamp and the lower clamp of the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of the first trigger block and the second trigger block of the present invention.

[0016] 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: clamping plate, 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

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] A continuous sucker rod automatic straightening device, such as Figure 1-Figure 6As shown, it includes: a base 1, the base 1 is provided with a control terminal not shown in the figure, the base 1 is installed with adjusting members 2 symmetrically distributed on the left and right, the adjusting members 2 are electrically connected to the control terminal, the adjusting members 2 are used to limit the two ends of the sucker rod (the restriction form is not a rigid clamping) 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 installed with a hydraulic power member 4, the hydraulic power member 4 is electrically connected to the control terminal, the telescopic end of the hydraulic power member 4 is rotatably connected to an upper pressure block 5, and the telescopic end of the hydraulic power member 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 fixedly connected to two hydraulic push rods 10 symmetrically distributed front and back, and the telescopic ends of the hydraulic push rods 10 are fixedly connected with clamps 11, and a first elastic member is fixedly connected between the clamps 11 and the telescopic ends of the adjacent hydraulic push rods 10, wherein the first elastic member is a compression spring, and 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 contracted state, and 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.

[0019] like Figure 6 and Figure 7 As shown, the hydraulic push rod 10 is fixedly connected 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 rear are commonly fixedly connected and communicated with a shell 13, and a rotating plate 14 is rotatably connected in the shell 13. The shell 13 is provided with an internal chamber, and the internal chamber of the shell 13 is cylindrical and has a diameter of X. The upper part of the rotating plate 14 is 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 connection 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.

[0020] like Figure 6 and Figure 7As shown, it also includes: an extrusion block 15, which is fixed to the rotating plate 14, and resistance blocks 16 are arranged 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, and the two resistance blocks 16 are 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. The two extrusion frames 17 are moved toward and away from each other by rotating the connecting member 18, 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.

[0021] like Figure 3-Figure 5 , Figure 8 and Fig. 9 As 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 fixedly connected 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 fixedly connected to the counterweight block, and the sliding member 2101 is slidably connected to the limiting frame part of the rotating frame 9, so that during the rotation of the rotating frame 9, the limiting frame part is affected by the counterweight block on the lower side thereof. , always maintain a vertical state, the upper pressing 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 pressing block 5, wherein the second elastic member is a spring, the axis of the circle where the arc groove 2102 is located is located below the rotation axis on 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.

[0022] like Figure 5 and Fig. 9 As shown, an electromagnetic slide rail electrically connected to the control terminal is provided at a position of the sliding block 6 near the connecting frame 8, an electromagnetic slider 22 is slidably connected inside the electromagnetic slide rail of the sliding block 6, the electromagnetic slider 22 is fixedly connected to the connecting frame 8, and 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.

[0023] like Figure 8As shown, it also includes: a flexible block 23, which is fixed to the lower side of the upper pressing block 5; a friction strip 24, which is fixed to the lower side of the upper pressing block 5, the friction strip 24 is made of 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 pressing block 5. The flexible block 23 is deformed 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.

[0024] The specific working principle is as follows: When the operator needs to use the present 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 adjusting members 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 thereon 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 adjusting members 2 are opened. The two adjusting members 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 member of the splint 11 pops out.

[0025] During the process of the two clamps 11 moving towards each other, the sucker rod is driven to rotate by the adjusting member 2, and the two clamps 11 contact and squeeze the sucker rod to adjust the unstraightened sucker rod to a state where the bend is arched upward. Then the operator turns off the external fluid supply equipment through the control terminal and turns on the hydraulic power component 4. The telescopic end of the hydraulic power component 4 extends out 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 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 gradually straightening the bent sucker rod as the upper pressure block 5 moves downward.

[0026] 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 of the sucker rod continuing to be compressed and producing local deformation after being deflected, thereby reducing the probability of damage to the sucker rod during the straightening process.

[0027] When the operator needs to adjust the resistance of the clamping plate 11 to the sucker rod, the operator rotates the connecting piece 18 to make the two extrusion frames 17 move toward each other or away from each other. Taking the sucker rod with thick pipe wall as an example, the operator rotates the connecting piece 18 to make the two extrusion frames 17 move toward each other. The extrusion frames 17 and the extrusion blocks 15 jointly squeeze the resistance block 16, so that the resistance block 16 is deformed, and the density of the resistance block 16 increases, so that the resistance to the rotation of the extrusion block 15 increases, thereby increasing the force required for the rotation of the rotating plate 14, thereby improving the hydraulic pressure. The difficulty of contracting the telescopic end of the push rod 10 increases the resistance of the splint 11 to the sucker rod. On the contrary, if the pipe wall is thin, the two extrusion frames 17 move back to back, the deformation of the resistance block 16 is reduced, and the resistance required for the rotation of the extrusion block 15 and the rotating plate 14 is also reduced. The difficulty of contracting the telescopic end of the hydraulic push rod 10 is reduced, and the resistance of the splint 11 to the sucker rod is reduced. The resistance of the splint 11 to the sucker rod is adjusted according to the wall thickness of the sucker rod, reducing the risk of the sucker rod with a thin pipe wall being crushed by the upper pressure block 5 due to excessive obstruction by the splint 11.

[0028] In the process of straightening the sucker rod, when the deflection pressure on the sucker rod exceeds the range that its own strength can withstand, taking the backward deflection of the sucker rod 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 stored, so that the telescopic end of the rear hydraulic push rod 10 contracts, and the hydraulic oil in the rear hydraulic push rod 10 flows into the shell 13 through the rear conduit 12, and the hydraulic oil squeezes the rotating plate 14, and the rotating plate 14 drives the squeezing block 15 to rotate, and the squeezing block 15 squeezes the rear resistance block 16, and the rear resistance block 16 is deformed, and the hydraulic oil in the rear conduit 12 flows into the front conduit 12 through the shell 13, so that the telescopic end of the front hydraulic push rod 10 drives the adjacent clamping plate 11 to move backward, and the front clamping plate 11 The first elastic member continues to pop out, and the two clamps 11 move backward synchronously. When the deflection pressure on the sucker rod exceeds the range that its own strength can withstand, the sucker rod is rotated to release the pressure on the sucker rod, so as to reduce the probability of local deformation caused by excessive pressure on the sucker rod, thereby ensuring the quality of the sucker rod after straightening, and the resistance applied by the clamp 11 to the sucker rods with different pipe wall thicknesses is adjusted through the above steps to adapt to the pressure that the sucker rods with different pipe wall thicknesses can withstand, that is, the sucker rod with a thin pipe wall rotates when subjected to a smaller pressure, releases the pressure on the sucker rod, and reduces the probability of damage caused by excessive pressure on the sucker rod, while the sucker rod with a thicker pipe wall can withstand a larger pressure, thereby increasing the scope of application of the device.

[0029] When it is necessary to straighten sucker rods of different diameters, the operator turns on the electromagnetic slide rail through the control terminal to move the electromagnetic slide 22 up and down. The electromagnetic slide 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 end of the hydraulic push rod 10 drives the clamping plate 11 to move up and down, so that the clamping plate 11 can always be located in the middle of the sucker rods of different diameters, and the rotation axis of the rotating frame 9 is close to the axis of the sucker rod.

[0030] When the sucker rod deflects 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 start, and the output shaft of the motor 19 drives the arc-shaped rack 21 to rotate clockwise through the gear 20 (the rotation direction is Figure 1 The right view is taken as a reference), the arc rack 21 rotates clockwise around the rotation axis of the rotating frame 9, so that the rotating frame 9 rotates clockwise, and the rotating frame 9 drives the two clamping plates 11 to rotate clockwise through the two hydraulic push rods 10. At the same time, the rotating frame 9 drives its limit frame to rotate. When the limit frame rotates, the limit frame of the rotating frame 9 is affected by the counterweight block on the lower side, and the limit frame of the rotating frame 9 always maintains a vertical state. The limit frame of the rotating frame 9 drives the sliding member 2101 to move downward and backward, and the sliding member 2101 moves along the arc groove 2102, so that the second rear side The elastic member is compressed, and the second elastic member on the front side is stretched. The sliding member 2101 squeezes the upper pressure block 5 downwardly during the movement along the arc groove 2102, so that the upper pressure block 5 itself deflects clockwise. At this time, the rear clamp 11 moves backward, and the sucker rod deflects backward. The upper pressure block 5 rotates and continues to squeeze the bent protrusion of the sucker rod. When the sucker rod deflects 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 of the sucker rod due to the deflection, thereby ensuring the quality and efficiency of the sucker rod straightening.

[0031] After straightening a bend of the sucker rod, 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, and 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 are no longer deformed, 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 bending part is arched upward again. The first elastic members of the two clamps 11 are popped out and reset, and the clamps 11 move and reset and drive the telescopic end of the hydraulic push rod 10 to reset (the reset of the hydraulic push rod 10 resets the flow of the hydraulic oil in the conduit 12, and the resistance block 16 resets and temporarily stops deforming, so that the extrusion block 15 and the rotating plate 14 reset), and finally repeats the above steps to continue straightening the sucker rod.

[0032] 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, so that the telescopic end of the hydraulic push rod 10 contracts, 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.

[0033] like Figure 3 and Fig. 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 method between the upper clamp 26 and the adjacent lower clamp 27 can be a bolt connection.

[0034] like Fig.10 As shown, friction blocks 28 are fixedly connected to the 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 sucker rod, thereby reducing the probability of the sucker rod rotating during the straightening process.

[0035] like Fig. 9 and Fig.10 As shown, it also includes: first trigger blocks 29, the number of which is the same as the number of upper clamps 26, and are respectively fixed to adjacent upper clamps 26; second trigger blocks 30, the number of which is the same as the number of first trigger blocks 29, and are respectively fixed to the left and right sides of the rotating frame 9, and 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 on the opposite sides. 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, and 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 back to back to each other during the upward movement.

[0036] The specific working principle is as follows: Initially, the upper clamp 26 and the lower clamp 27 are not installed together. After the sliding frame 3 moves to the bending position of the sucker rod, the operator installs the lower clamp 27 on the upper clamp 26 and passes the sucker rod between the lower clamp 27 and the upper clamp 26.

[0037] When the telescopic end of the hydraulic power part 4 drives the upper pressure block 5 to move downward to squeeze the sucker rod, the operator turns on the electric control push rod 25 through the control terminal, and the telescopic end of the electric control push rod 25 drives the upper clamp 26 to move upward, and the upper clamp 26 and the lower clamp 27 jointly drive the area near the upper bend of the sucker rod to move upward. In the process of the upper clamp 26 moving upward, the upper clamp 26 drives the first trigger block 29 to move upward, and is 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 clamps 26 move back to back with each other in the process of moving upward, and the area near the bend of the sucker rod is bent upward through the two upper clamps 26 and the two lower clamps 27, and the sucker rod is pulled to the left and right sides of the bend, so as to assist in the straightening of the bend of the sucker rod, thereby improving the efficiency of the sucker rod straightening.

[0038] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of 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 continuous sucker rod automatic straightening device, characterized in that it includes: have: A base (1), the base (1) being equipped with symmetrically distributed adjusting parts (2), the base (1) being slidably connected to a sliding frame (3), the sliding frame (3) being equipped with a hydraulic power part (4), the telescopic end of the hydraulic power part (4) being 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), the connecting frame (8) is provided with a rotating frame (9), the rotating frame (9) is fixedly connected with symmetrically distributed hydraulic push rods (10), the telescopic ends of the hydraulic push rods (10) are fixedly connected with clamping plates (11), and a first elastic member is fixedly connected between the clamping plates (11) and the telescopic ends of the adjacent hydraulic push rods (10); The hydraulic push rod (10) is fixedly connected to and communicated with a conduit (12), the conduit (12) is communicated with an external fluid supply device, the symmetrically distributed conduits (12) are commonly fixedly connected to and communicated with a housing (13), a rotating plate (14) is rotatably connected inside the housing (13), and the rotating plate (14) is used to control the communication state between the symmetrically distributed conduits (12).

2. A continuous sucker rod automatic straightening device according to claim 1, characterized in that: Also included are: An extrusion block (15) is fixedly connected to the rotating plate (14), and resistance blocks (16) are arranged on both sides of the extrusion block (15). The resistance blocks (16) are elastic, and the extrusion block (15) is used to extrude the resistance blocks (16) on both sides thereof; The extrusion frames (17) have two members, both of which are slidably connected to the sliding block (6); the resistance block (16) is fixedly connected to the adjacent extrusion frame (17) on the side away from the extrusion block (15); the two resistance blocks (16) are located between the two extrusion frames (17); one of the extrusion frames (17) is slidably connected to a connecting piece (18); the connecting piece (18) is threadedly connected to the other extrusion frame (17); the connecting piece (18) is used to adjust the distance between the two extrusion frames (17) to control the deformation of the resistance block (16).

3. A continuous sucker rod automatic straightening device according to claim 1, characterized in that: Also included are: A motor (19) is fixedly connected to the connecting frame (8), and an output shaft of the motor (19) is fixedly connected to a gear (20); An arc-shaped rack (21) is fixedly connected 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 a limit frame portion near the upper pressure block (5), a counterweight block is fixedly connected to the lower side of the limit frame portion, the sliding member (2101) is slidably connected to the limit frame portion of the rotating frame (9), the upper pressure block (5) is provided with an arc groove (2102), the sliding member (2101) slides in the arc groove (2102), a second elastic member is provided between the sliding member (2101) and the upper pressure block (5), and the axis of the circle where the arc groove (2102) is located is located below the rotation axis of the rotating frame (9).

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

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

6. A continuous sucker rod automatic straightening device according to claim 3, characterized in that: Also included are: A flexible block (23) fixedly connected to the lower side of the upper pressing block (5); The friction strip (24) is fixedly connected to the lower side of the upper pressing block (5), the friction strip (24) is in contact with the flexible block (23), and the flexible block (23) is located between the friction strip (24) and the upper pressing block (5).

7. A continuous sucker rod automatic straightening device according to claim 5, characterized in that: Also included are: The electric control push rods (25) have two symmetrically distributed ones and are respectively fixed to two sides of the rotating frame (9); the telescopic ends of the electric control push rods (25) are slidably connected to the upper clamp (26); The number of the lower clamps (27) is the same as the number of the upper clamps (26), and they are respectively detachably connected to adjacent upper clamps (26).

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

9. A continuous sucker rod automatic straightening device according to claim 7, characterized in that: Also included are: The first trigger blocks (29) are the same in number as the upper clamps (26) and are respectively fixedly connected to adjacent upper clamps (26); The number of the second trigger blocks (30) is the same as that of the first trigger blocks (29), and they are respectively fixed to two sides of the rotating frame (9); the first trigger block (29) and the second trigger block (30) are respectively provided with a first inclined surface and a second inclined surface on opposite sides thereof; the second inclined surface of the second trigger block (30) guides the first trigger block (29) via 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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