CN112077178A - Quick pipe orifice alignment device and alignment method thereof - Google Patents
Quick pipe orifice alignment device and alignment method thereof Download PDFInfo
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- 239000010959 steel Substances 0.000 claims description 36
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- 230000005484 gravity Effects 0.000 claims description 14
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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Abstract
The invention discloses a quick alignment pipe orifice correcting device, which comprises a correction hydraulic mechanism, a rotary clamping mechanism, a lifting mechanism, a travelling mechanism, a hydraulic pump station and a control cabinet, wherein the correction hydraulic mechanism is connected to a mounting plate of the lifting mechanism through the rotary clamping mechanism; the rotary mechanism can drive the correcting jack to rotate 360 degrees around the axis of the pipeline in the pipe orifice, so that a correcting point can be conveniently, quickly and accurately found, the correcting working condition is effectively improved, the working efficiency is improved, the correcting precision is ensured, and the correcting quality is improved.
Description
Technical Field
The invention relates to a correcting device, in particular to a device and a method for quickly correcting a pipe orifice.
Background
The large-caliber steel pipe has the problems that the pipe orifice part is difficult to avoid the condition of congenital out-of-round in manufacturing and processing, and the pipe orifice is deformed and out-of-round due to extrusion and collision in the processes of storage, transportation and use of the steel pipe. The pipe orifice out-of-roundness seriously affects the installation butt joint, and the rounding must be corrected in advance. The method for correcting the pipe orifice is multiple, the hydraulic jack is adopted to radially support the pipe wall in the pipe orifice for correction in the current mainstream method, the correction precision is ensured by controlling the stroke of the jack, and the method is effective, saves much time and labor and has high efficiency compared with the common mechanical correction method. However, the existing calibration technology still has obvious defects, in practical application, because the jacks are all rigidly connected to the equipment support, the jacking direction of the jacks is basically limited, the axis of a connecting shaft for fixing the jacks is difficult to be ensured to be consistent with the axis of a pipeline during calibration operation, namely the axis of the calibration jack is difficult to be vertical to the pipe wall, the rigid connection makes the calibration jack difficult to be automatically aligned even if the direction of acting force of the calibration jack is inclined, further the method for ensuring the calibration precision through stroke control loses the alignment, the actual calibration effect is greatly reduced, and the roundness of the pipe orifice cannot be ensured. In addition, in view of the fact that the parts of the pipe orifices which are out of round and deformed are different, the same pipe orifice is not limited to a certain point or a certain direction, and the direction of the correcting jack needs to be frequently adjusted and changed in the correcting process. The existing adjusting method is to change the correcting direction of the jack by rotating the relative position of the front connecting shaft and the rear connecting shaft of the correcting jack, the method is purely manual operation, the operation is extremely inconvenient, the labor intensity is high, the adjusting effect is poor, the working efficiency is low, and the urgent needs of construction and quantitative production cannot be met, so that a quick pipe orifice correcting device and a quick pipe orifice correcting method which are quicker, more accurate, more portable and more flexible are urgently needed to be designed by technical personnel in the field.
Disclosure of Invention
The invention aims to solve the problems that a flexible rotary clamping mechanism and a PLC automatic control system are adopted, and a plurality of gravity center hanging points are configured on an equipment body, so that a correction jack is effectively ensured to find a correction point quickly and accurately, and can automatically align in a pipe orifice at any time, the correction working condition is effectively improved, the working efficiency is improved, the correction precision is ensured, the correction quality is improved, the jack position can be adjusted at will by 360 degrees, and the pipe orifice can be automatically and quickly aligned in the correction process.
In order to solve the problems, the invention provides a quick pipe orifice alignment correcting device which comprises a correction hydraulic mechanism, a rotary clamping mechanism, a lifting mechanism, a traveling mechanism, a hydraulic pump station and a control cabinet, wherein the correction hydraulic mechanism is connected to an installation plate of the lifting mechanism through the rotary clamping mechanism, the lifting mechanism is installed in the traveling mechanism, and the hydraulic pump station and the control cabinet are integrated on the traveling mechanism.
Preferably, the rotary clamping mechanism consists of three parts, including a slewing mechanism, a clamp and a flexible connector, wherein the clamp clamps the correction hydraulic mechanism, the correction hydraulic mechanism is connected to a slewing shaft of the slewing mechanism through the flexible connector, and the slewing mechanism is fixed on a mounting plate of the lifting mechanism through a flange.
Preferably, the swing mechanism comprises a swing oil cylinder and a swing output shaft, the swing oil cylinder drives the swing output shaft to rotate around the axis of the swing output shaft, a rotation shaft sleeve is arranged at the outer end of the swing output shaft, the swing output shaft drives the clamp holder through the flexible connector to drive the correction hydraulic mechanism to rotate around the axis of the pipeline in the pipe orifice, the range of the rotation angle is 0-360 degrees, a rotary encoder is arranged at one end of the swing oil cylinder, and the rotary encoder is connected to a PLC system of the control cabinet through a signal line.
Preferably, the flexible connector comprises at least one group of springs, at least one group of fastening bolts, at least two connecting flanges and a clamping device connecting rod, the connecting flanges are respectively welded with the clamping device connecting rod and the rotating shaft sleeve, the springs are uniformly distributed between the connecting flanges, each spring comprises a large spring and a small spring, two ends of each large spring are respectively sleeved in inner holes of the clamping device connecting rod and the rotating shaft sleeve, and the fastening bolts at one end of each connecting flange are sleeved with the small springs.
Preferably, the lifting mechanism comprises a lifting oil cylinder and a lifting mounting plate, the lifting mounting plate is fixedly sleeved on a telescopic shaft of the lifting oil cylinder, and the lifting oil cylinder drives the lifting mounting plate to stretch so as to drive the rotary clamping mechanism and the correction hydraulic mechanism to move up and down.
Preferably, the correction hydraulic pressure mechanism is for correcting hydraulic jack, the correction frock that suits with mouth of pipe internal diameter is equipped with at correction hydraulic pressure mechanism both ends, correct hydraulic pressure mechanism and include cylinder body, piston rod, one-level correction mould, second grade correction mould and displacement sensor, the one-level correction mould is equipped with to cylinder body one end, the cylinder body other end is equipped with the piston rod, the second grade correction mould is equipped with to piston rod one end, the one-level is corrected mould, second grade correction mould and is acted on the mouth of pipe inboard of steel pipe respectively opposite, displacement sensor is installed to the cylinder body upper end, displacement sensor passes through the signal line and is connected to the PLC system of switch board.
Preferably, running gear is walking platform truck, including supporting platform, walking truckle, stand channel-section steel, connecting plate, the walking truckle is installed to the supporting platform bottom, the last mirror image of supporting platform is provided with a set of stand channel-section steel, the welding has the connecting plate on the stand channel-section steel, at least a set of focus hoisting point has been seted up on the connecting plate.
An alignment method for quickly aligning a pipe orifice correcting device comprises the following steps:
s1, firstly, mounting a primary correction die and a secondary correction die at the top ends of a cylinder body and a piston rod of the correction hydraulic mechanism, finding a proper gravity center lifting point through a lifting device, keeping the balance of a correction device body, lifting the correction device to a working position, and quickly performing primary positioning on the correction hydraulic mechanism in a pipe orifice of a steel pipe to be corrected;
s2, if the point to be corrected of the pipe orifice of the steel pipe is not at the position of the secondary correction die, the direction of the hydraulic mechanism in the pipe orifice of the steel pipe needs to be corrected, so that the secondary correction die is aligned to the point to be corrected, the action only needs to input the angle value to be rotated into the PLC system, the PLC system can automatically control the swing oil cylinder to rotate by a corresponding angle, and the direction of the correction hydraulic mechanism is accurately adjusted through the rotary clamping mechanism;
s3, sending an action instruction to the correction hydraulic mechanism through the PLC system, ejecting a piston rod of the correction hydraulic mechanism, detecting the jacking stroke in real time by the displacement sensor and feeding back a signal to the PLC system;
s4, when the secondary correction die is jacked to a correction point, under the action of the tube wall reaction force, the primary correction die is jacked to the tube wall opposite to the correction point in a reverse mode, when the two ends of the primary correction die are stressed simultaneously, when the axis of the correction hydraulic mechanism is not perpendicular to the tube wall, the reaction force of the tube walls at the two ends can force the correction hydraulic mechanism to automatically correct the position, so that the primary correction die and the secondary correction die at the two ends can be jacked and corrected continuously in the position perpendicular to the tube wall until a set correction stroke is reached, the displacement sensor feeds back a detected displacement signal to the PLC system, the PLC system can control the correction hydraulic mechanism to stop jacking in real time and retract a cylinder according to a set program, and in the correction process, the flexible connector gives enough displacement and tilting freedom degree to the correction hydraulic mechanism, and the passive self-alignment in the tube;
s5, when the pipe orifice of the same steel pipe needs to be replaced to the next correction point, after the correction hydraulic mechanism retracts, the PLC system is given an instruction again, the swing oil cylinder is controlled to adjust the direction of the correction hydraulic mechanism again, and the correction point is found quickly for correction;
and S6, when the next pipe orifice is replaced and corrected, repeating the steps and the method.
Adopt above-mentioned structure, its beneficial effect lies in:
compared with the prior art, the invention has the beneficial effects that:
the correcting device of the invention consists of a correcting hydraulic mechanism, a rotary clamping mechanism, a lifting mechanism, a traveling mechanism, a hydraulic pump station and a control cabinet, the correcting hydraulic mechanism is connected to the mounting plate of the lifting mechanism through the rotary clamping mechanism, the lifting mechanism is arranged in the travelling mechanism, the hydraulic pump station and the control cabinet are integrated on the traveling mechanism, a plurality of gravity center lifting points are arranged at the top end of the traveling mechanism, and proper lifting points can be selected according to gravity center transfer of the equipment body caused by different tools used for different pipe diameters during correction operation, the rotary clamping mechanism is provided with a flexible connector and a set of rotary mechanism, the flexible connector has certain compensation effect on the relative position deviation caused by the correction jack connected with the flexible connector in the correction process, the automatic alignment of the correcting jack can be permitted to a certain extent, and the direction of correcting and pushing (namely the axial direction of the correcting hydraulic mechanism) is ensured to be always vertical to the pipe wall; the rotary mechanism can drive the correcting jack to rotate 360 degrees around the axis of the pipeline in the pipe orifice, and a correcting point can be conveniently, quickly and accurately found. The control cabinet is provided with a PLC control system, the input end of the control cabinet is connected with a displacement sensor of the correction jack and a rotary encoder in the swing oil cylinder, and the control cabinet receives feedback displacement and rotation angle signals, accurately and quickly adjusts the posture of the correction jack, accurately controls the stroke of the oil cylinder of the correction jack, improves the working efficiency and ensures the correction precision; the alignment method adopted by the invention can keep the balance of the equipment body during the lifting operation through a plurality of gravity center lifting points, the posture of the correction jack is quickly adjusted in the pipe orifice through the lifting mechanism and the swing mechanism, the correction point is accurately found, the flexible rotary clamping mechanism is designed to provide enough omnibearing offset freedom degree for the correction jack to meet the self alignment of the correction jack in the correction process, the PLC automatic control system is adopted to accurately control and correct the stroke of the jack cylinder and the swing angle of the swing mechanism, the correction working condition is improved, the working efficiency is improved, the correction precision is ensured, and the correction quality is improved.
Drawings
Fig. 1 is a structural view of a nozzle calibration device according to the present invention.
Fig. 2 is a diagram showing an operating state of the corrective hydraulic mechanism of the present invention.
Fig. 3 is a structural view of the rotary clamping mechanism according to the present invention.
Fig. 4 is a structural view of the flexible connector according to the present invention.
FIG. 5 is a state diagram of the calibration hydraulic mechanism of the present invention in initial positioning after entering the orifice of the steel pipe.
FIG. 6 is a schematic view of the alignment method of the nozzle calibration device according to the present invention.
In the figure: 1-correction hydraulic mechanism, 101-cylinder body, 102-piston rod, 103-primary correction mould, 104-secondary correction mould, 105-steel pipe, 106-displacement sensor, 2-rotary clamping mechanism, 201-rotary mechanism, 2011-swing oil cylinder, 2012-rotary output shaft, 2013-rotary shaft sleeve, 2014-rotary encoder, 202-clamp, 203-flexible connector, 2031-fastening bolt, 2032-connecting flange, 2033-clamp connecting rod, 2034-large spring, 2035-small spring, 3-lifting mechanism, 301-lifting oil cylinder, 302-lifting mounting plate, 4-walking mechanism, 401-supporting platform, 402-walking caster, 403-upright channel steel, 404-connecting plate, 405-a gravity center lifting point and 5-a hydraulic pump station; 6-control cabinet.
Detailed Description
The invention is further explained below with reference to the figures and examples.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, the pipe orifice corrector is composed of a correction hydraulic mechanism 1, a rotary clamping mechanism 2, a lifting mechanism 3, a traveling mechanism 4, a hydraulic pump station 5 and a control cabinet 6, wherein the correction hydraulic mechanism 1 is clamped by a clamp 202 at one end of the rotary clamping mechanism 2 and is connected with a lifting mounting plate 302 of the lifting mechanism 3 through a connecting flange 2032 at the other end, the lifting mechanism 3 is installed inside the traveling mechanism 4, the lifting mounting plate 302 is driven by a lifting oil cylinder 301 so as to drive the rotary clamping mechanism 2 and the correction hydraulic mechanism 1 to move up and down, a pair of rollers are respectively installed inside and outside two sides of the lifting mounting plate 302, upright channel steel 403 at two sides of the traveling mechanism 4 is a lifting slide way of the lifting mounting plate 302, and the hydraulic pump station 5 and the control cabinet 6 are integrated on the traveling mechanism 4. At least one group of gravity center hanging points 405 is arranged on two sides of the top end of the walking mechanism 4, and four walking casters 402 are arranged at the bottom of the supporting platform 401.
As shown in fig. 5, the orifice calibration device can be manually operated on the ground, and during calibration, the orifice calibration device is suspended to the orifice station of the steel pipe 105 by a special crane, and the five pairs of gravity center suspension points 405 are designed to adapt to the gravity center offset of the equipment body caused by using different tools for calibrating steel pipes 105 with different calibers. After the tool is replaced each time, a proper gravity center lifting point 405 is found through trial lifting, so that the equipment body is in a balanced state when the lifting state correction operation is ensured.
When the correcting device is hung to the pipe orifice station of the steel pipe 105, firstly, the height of the correcting hydraulic mechanism 1 clamped by the rotary clamping mechanism 2 is adjusted through the lifting mechanism 3, and preliminary positioning is completed.
As shown in figure 2, the correction hydraulic mechanism 1 is a large-tonnage double-acting hydraulic jack, correction tools which are matched with the inner diameter of a pipe orifice of a steel pipe 105 are arranged at two ends of the correction hydraulic mechanism, a primary correction die 103 is arranged at the end of a cylinder body 101, a secondary correction die 104 is arranged at the end of a piston rod 102 and respectively acts on the inner side of the pipe orifice of the steel pipe 105 in an opposite mode, the action position of the secondary correction die 104 is a correction point, the primary correction die 103 supports against the opposite pipe wall to provide a reaction force, a displacement sensor 106 is arranged outside the correction hydraulic mechanism 1, and the type of the displacement sensor 106 is FY 20-1000-01-F.
As shown in fig. 3, the rotary clamping mechanism 2 is composed of three parts, namely a rotary mechanism 201, a clamp 203 and a flexible connector 203, the clamp 202 is used for clamping and stabilizing the correction hydraulic mechanism 1 and is connected to a rotary shaft sleeve 2013 of the rotary mechanism 201 through the flexible connector 203, and the rotary mechanism 201 is fixed on a lifting mounting plate 302 of the lifting mechanism 3 through a connecting flange 2032.
As shown in the right half of fig. 4, the swing mechanism 201 has a swing cylinder 2011 and a swing output shaft 2012, a rotary encoder 2014 is installed at the tail end of the swing output shaft 2012, the rotary encoder 2014 has a model KS58M-S10AB-12-13-a, under the action of the swing cylinder 2011, the swing output shaft 2012 can rotate 360 ° around its axis, the rotary encoder 2014 is used for detecting the rotation angle of the swing output shaft 2012, and is connected to the PLC system of the control cabinet 6 by a signal line, and the model of the PLC system is the CPU 224.
The structure of the flexible connector 203 shown in the left half of fig. 4, the flexible connector 203 is composed of a set of springs (including a large spring 2034, a plurality of small springs 2035), two connecting flanges 2032 and a set of fastening bolts 2031, wherein the connecting flange 2032 is welded with the rotating sleeve 2013, the connecting flange 2032 is welded with the clamp connecting rod 2033, the springs are distributed between the two connecting flanges 2032, both ends of the central large spring 2034 are respectively sleeved in the inner holes of the clamp connecting rod 2033 and the rotating sleeve 2013, the peripheral set of fastening bolts 2031 are respectively sleeved with a small spring 2035, the two connecting flanges 2032 are in a separated state due to the tension of the springs, and the fastening bolt 2031 and the central large spring 2034 function to stabilize the clamp 202, when the correcting hydraulic mechanism 1 on the clamp 202 is biased in any direction to deviate from the initial position, due to the flexible effect of the springs, the flexible connector 203 has a certain compensation effect on the relative position offset of the two linked shafts caused by the position offset of the correction hydraulic mechanism 1, namely, a certain displacement freedom degree is given to the correction hydraulic mechanism 1, the correction jack 1 is allowed to automatically align in the pipe to a certain extent, and the pushing direction (namely, the axial direction of the correction hydraulic mechanism 1) is kept to be always vertical to the pipe wall of the pipeline 105.
The correction hydraulic mechanism 1, the swing oil cylinder 2011 and the lifting oil cylinder 301 are all provided with hydraulic power by a hydraulic pump station.
The correcting device for quickly aligning the pipe orifice is provided with a plurality of gravity center lifting points 405, so that the balance of the device body is kept during the lifting operation, the lifting mechanism 3 is convenient to quickly and preliminarily position when the correction is started, the slewing mechanism 201 is favorable for randomly adjusting the posture of the correcting hydraulic mechanism 1 in the pipe orifice of the steel pipe 105 and quickly and accurately finding the correcting point, the flexible rotating clamping mechanism 203 provides enough freedom for the correcting hydraulic mechanism 1 to automatically align the correcting hydraulic mechanism at any time, and the PLC automatic control system can accurately control and correct the stroke of a jack cylinder and the slewing angle of the slewing mechanism.
The alignment method of the rapid alignment pipe orifice correcting device comprises the following steps:
s1, firstly, mounting a primary correction die 103 and a secondary correction die 104 on the top ends of a cylinder body 101 and a piston rod 102 of a correction hydraulic mechanism 1, finding a proper gravity center lifting point 405 through a lifting device, lifting the correction device to a working position, and quickly performing primary positioning on the correction hydraulic mechanism 1 in a pipe orifice of a steel pipe 105 needing correction;
s2, if the point of the pipe orifice of the steel pipe 105 needing to be corrected is not at the position of the secondary correction die 104, the direction of the hydraulic mechanism 1 in the pipe orifice of the steel pipe 105 needs to be corrected, so that the secondary correction die 104 is aligned with the point needing to be corrected, the action only needs to input the angle value needing to be rotated into the PLC system, the PLC system can automatically control the swing oil cylinder 2011 to rotate by a corresponding angle, and the direction of the correction hydraulic mechanism 1 is accurately adjusted by rotating the clamping mechanism 2;
s3, sending an action instruction to the correction hydraulic mechanism 1 through the PLC system, ejecting a piston rod 102 of the correction hydraulic mechanism 1, detecting the jacking stroke in real time by the displacement sensor 106 and feeding back a signal to the PLC system;
s4, when the secondary correction die 104 is jacked to a correction point, under the action of the tube wall reaction force, the primary correction die 103 is jacked to the tube wall opposite to the correction point in a reverse direction, when the two ends are simultaneously stressed, when the axis of the correction hydraulic mechanism 1 is not perpendicular to the tube wall, the reaction force of the tube walls at the two ends can force the correction hydraulic mechanism 1 to automatically correct the direction, so that the primary correction die 103 and the secondary correction die 104 at the two ends can continue to be jacked and corrected in the direction perpendicular to the tube wall until a set correction stroke is reached, the displacement sensor 106 feeds back a detected displacement signal to the PLC system, the PLC system can control the correction hydraulic mechanism 1 to stop jacking in real time and receive cylinders according to a set program, and in the correction process, the flexible connector 202 gives enough displacement and tilting freedom to the correction hydraulic mechanism 1 to ensure that the correction die passively and automatically corrects in the tube orifice of the steel;
s5, when the pipe orifice of the same steel pipe 105 needs to be replaced to the next correction point, after the correction hydraulic mechanism 1 receives the cylinder, the PLC system is given an instruction again, the swing oil cylinder 2011 is controlled to correct the direction of the hydraulic mechanism 1 again, and the correction point is found quickly for correction;
and S6, when the next pipe orifice is replaced and corrected, repeating the steps and the method.
In order to facilitate understanding of the above-described embodiments of the present invention, the following detailed description will be given of the above-described embodiments of the present invention in a specific manner of use.
The specific working process is as follows: firstly, assembling correction dies at two ends of a correction hydraulic mechanism 1, aligning a gravity center lifting point 405 at the top end of a travelling mechanism 4 to keep a correction device body balanced, then lifting the correction device to a pipe orifice of a steel pipe 105, extending the correction hydraulic mechanism 1 into the pipe orifice of the steel pipe 105, simultaneously adjusting the height and the horizontal position of the correction hydraulic mechanism 1 in the pipe orifice through a lifting mechanism 3 and a crane, quickly and preliminarily positioning the correction hydraulic mechanism 1 in the pipe orifice, then giving an instruction to a PLC (programmable logic controller) system according to a rotation angle required on site, controlling the rotation angle of a swing oil cylinder 2011 of a rotation mechanism 201, quickly adjusting the position of the correction hydraulic mechanism 1 through rotating a rotary clamping mechanism 2, and accurately finding the correction point; then, a PLC system sends an instruction to the correction hydraulic mechanism 1, a piston rod 102 of the correction hydraulic mechanism 1 is ejected out, the pipe wall is corrected according to a preset jacking value, a displacement sensor 106 detects the jacking stroke in real time and feeds back a signal to the PLC system, and the jacking of the jack is automatically stopped immediately after the jacking stroke is corrected in place, so that the aim of accurately controlling the jacking stroke is fulfilled; when the molds at the two ends of the correction hydraulic mechanism 1 are jacked to the pipe wall and are subjected to reactive force, the jacking angle is automatically corrected under the action of the reactive force, so that the axis of the correction hydraulic mechanism 1 is as vertical as possible to the pipe wall, the flexible connector 203 can allow the correction hydraulic mechanism 1 to automatically adapt to the correction requirement in any direction on the premise of keeping the equipment stable and motionless, and the correction is quickly and automatically performed until the correction is in place; when the correction point is changed, the PLC system is given an instruction again according to the method after the correction hydraulic mechanism 1 is retracted, the swing oil cylinder 2011 is controlled to adjust the direction of the correction hydraulic mechanism 1 again, and the correction point is quickly found for correction; when the pipe orifice is replaced and corrected, the steps and the method are repeated.
The application of the above-mentioned fast alignment nozzle calibration device is only one example of the application of the nozzle calibration device, and should not be considered as limiting the scope of the invention, and all equivalent variations and modifications made within the scope of the claims of the present invention should fall within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "end", "side", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a group" or "a plurality" means two or more unless specifically defined otherwise.
While there have been shown and described what are at present considered to be the essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a quick alignment mouth of pipe correcting unit which characterized in that: including correction hydraulic pressure mechanism (1), rotatory fixture (2), elevating system (3), running gear (4), hydraulic power unit (5) and switch board (6), correction hydraulic pressure mechanism (1) is connected on the mounting panel of elevating system (3) through rotatory fixture (2), elevating system (1) is installed inside running gear (4), hydraulic power unit (5) and switch board (6) are integrated on running gear (4).
2. The quick alignment nozzle calibration device as set forth in claim 1, wherein: the rotary clamping mechanism (2) is composed of three parts, and comprises a rotary mechanism (201), a clamp (202) and a flexible connector (203), wherein the clamp (202) clamps the correction hydraulic mechanism (1), the correction hydraulic mechanism (1) is connected to a rotating shaft of the rotary mechanism (201) through the flexible connector (203), and the rotary mechanism (201) is fixed on a mounting plate of the lifting mechanism (3) through a flange.
3. The quick aligning nozzle calibration device of claim 2, wherein: rotation mechanism (201) comprises swing hydro-cylinder (2011) and gyration output shaft (2012), swing hydro-cylinder (201-1) drive gyration output shaft (2012) is around its axis gyration, gyration output shaft (2012) outer end is equipped with gyration shaft cover (2013), thereby gyration output shaft (2012) drive holder (202) through flexible connector (203) and drive correction hydraulic pressure mechanism (1) and revolve around the pipeline axis in the mouth of pipe, the gyration angle scope is 0-360, swing hydro-cylinder (2011) one end is equipped with rotary encoder (2014), rotary encoder (2014) are connected to the PLC system of switch board (6) through the signal line.
4. The quick alignment nozzle calibration device as claimed in claim 2, wherein: the flexible connector (203) is composed of at least one group of springs, at least one group of fastening bolts (2031), at least two connecting flanges (2032) and a clamping device connecting rod (2033), wherein the connecting flanges (2032) are respectively welded with the clamping device connecting rod (2033) and a rotating shaft sleeve (2013), the springs are uniformly distributed between the connecting flanges (2032), the springs comprise large springs (2034) and small springs (2035), two ends of the large springs (2035) are respectively sleeved in inner holes of the clamping device connecting rod (2033) and the rotating shaft sleeve (2013), and the small springs (2035) are sleeved on the fastening bolts (2031) at one end of the connecting flange (2032).
5. The quick alignment nozzle calibration device as set forth in claim 1, wherein: elevating system includes lift cylinder (301) and lift mounting panel (302), fixed cover is equipped with lift mounting panel (302) on the telescopic shaft of lift cylinder (301), thereby lift cylinder (301) drive lift mounting panel (302) flexible drive rotatory fixture (2) and correction hydraulic pressure mechanism (1) shift from top to bottom.
6. The quick alignment nozzle calibration device as claimed in claim 2, wherein: the hydraulic jack is rectified to correction hydraulic pressure mechanism (1), the correction frock that suits with the mouth of pipe internal diameter is equipped with at correction hydraulic pressure mechanism (1) both ends, rectify hydraulic pressure mechanism (1) and include cylinder body (101), piston rod (102), one-level correction mould (103), second grade correction mould (104) and displacement sensor (106), one-level correction mould (103) are equipped with to cylinder body (101) one end, the cylinder body (101) other end is equipped with piston rod (102), second grade correction mould (104) are equipped with to piston rod (102) one end, one-level correction mould (103), second grade correction mould (104) act on the mouth of pipe inboard face-to-face of steel pipe (105) respectively, displacement sensor (106) are installed to cylinder body (101) upper end, displacement sensor (106) are connected to the PLC system of switch board (6) through the signal line.
7. The quick alignment pipe orifice correcting machine according to claim 1, wherein: running gear (4) are walking platform truck, including supporting platform (401), walking truckle (402), stand channel-section steel (403), connecting plate (404), walking truckle (402) are installed to supporting platform (401) bottom, mirror image is provided with a set of stand channel-section steel (403) on supporting platform (401), the welding has connecting plate (404) on stand channel-section steel (403), at least a set of focus hoisting point (405) has been seted up on connecting plate (404).
8. An alignment method for quickly aligning a pipe orifice correcting device is characterized in that: if the method comprises the following steps:
s1, firstly, mounting a primary correction die (103) and a secondary correction die (104) at the top ends of a cylinder body (101) and a piston rod (102) of a correction hydraulic mechanism (1), finding a proper gravity center lifting point (405) through a lifting device, lifting a correction device to a working position, and quickly performing primary positioning on the correction hydraulic mechanism (1) in a pipe orifice of a steel pipe (105) to be corrected;
s2, if the point of the pipe orifice of the steel pipe (105) needing to be corrected is not at the position of the secondary correction die (104), the position of the hydraulic mechanism (1) in the pipe orifice of the steel pipe (105) needs to be corrected, so that the secondary correction die (104) is aligned to the point needing to be corrected, the action only needs to input the angle value needing to be rotated into a PLC system, the PLC system can automatically control the swing oil cylinder (2011) to rotate by a corresponding angle, and the position of the correction hydraulic mechanism (1) is accurately adjusted by rotating the clamping mechanism (2);
s3, sending an action instruction to the correction hydraulic mechanism (1) through the PLC system, ejecting a piston rod (102) of the correction hydraulic mechanism (1), detecting the jacking stroke in real time by a displacement sensor (106) and feeding back a signal to the PLC system;
s4, when the second-level correcting mould (104) is jacked to the correcting point, under the action of the pipe wall reaction force, the first-level correcting mould (103) is jacked to the pipe wall opposite to the correcting point in a reverse direction, when the two ends are forced simultaneously, when the axis of the correction hydraulic mechanism (1) is not perpendicular to the pipe wall, the counter-acting force of the pipe walls at the two ends can force the correction hydraulic mechanism (1) to automatically correct the direction, so that the primary correction mould (103) and the secondary correction mould (104) at the two ends continue to lift and correct in the direction vertical to the pipe wall until reaching the set correction stroke, the displacement sensor (106) feeds back the detected displacement signal to the PLC system, the PLC system can control the correction hydraulic mechanism (1) to stop lifting in real time and retract the cylinder according to the set program, in the correction process, the flexible connector 202 gives enough freedom of displacement and tilting to the correction hydraulic mechanism (1) to ensure that the correction hydraulic mechanism passively and automatically aligns in the orifice of the steel pipe (105);
s5, when the pipe orifice of the same steel pipe (105) needs to be replaced to the next correction point, after the correction hydraulic mechanism (1) receives the cylinder, the PLC system is given an instruction again, the swing oil cylinder (2011) is controlled to correct the direction of the hydraulic mechanism (1) again, and the correction point is found out quickly for correction;
and S6, when the next pipe orifice is replaced and corrected, repeating the steps and the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834975.XA CN112077178A (en) | 2020-08-19 | 2020-08-19 | Quick pipe orifice alignment device and alignment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834975.XA CN112077178A (en) | 2020-08-19 | 2020-08-19 | Quick pipe orifice alignment device and alignment method thereof |
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| CN112077178A true CN112077178A (en) | 2020-12-15 |
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| CN202010834975.XA Pending CN112077178A (en) | 2020-08-19 | 2020-08-19 | Quick pipe orifice alignment device and alignment method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728662A (en) * | 2011-03-31 | 2012-10-17 | 廊坊市管道人机械设备有限公司 | Apparatus for correcting orifices of steel pipes |
| CN202527536U (en) * | 2012-05-15 | 2012-11-14 | 中国石油天然气集团公司 | Circularity calibration machine for opening of steel heating bent pipe |
| KR101205311B1 (en) * | 2012-05-14 | 2012-11-27 | 동우에이치에스티 주식회사 | Annulus gear roundness calibration device |
| CN107552603A (en) * | 2017-09-30 | 2018-01-09 | 中铁第四勘察设计院集团有限公司 | A kind of rail vehicle curb girder detection and adaptively correcting device and method |
| CN206911974U (en) * | 2017-07-12 | 2018-01-23 | 中国十九冶集团有限公司 | Pipe orifice rounding device |
| CN206966363U (en) * | 2017-07-14 | 2018-02-06 | 中石化南京工程有限公司 | A kind of mouth of pipe apparatus for correcting |
| CN208303550U (en) * | 2018-05-22 | 2019-01-01 | 郑州万达重工股份有限公司 | A kind of transformation large-aperture pipe road nozzle school circular knitting machine |
| CN211191555U (en) * | 2019-11-26 | 2020-08-07 | 天津派浦澜能源科技有限公司 | Correcting device for pipe orifice of oil and gas transportation steel pipe |
| CN213223823U (en) * | 2020-08-19 | 2021-05-18 | 江苏凯恩特机械设备制造有限公司 | Quick alignment mouth of pipe correcting unit |
-
2020
- 2020-08-19 CN CN202010834975.XA patent/CN112077178A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728662A (en) * | 2011-03-31 | 2012-10-17 | 廊坊市管道人机械设备有限公司 | Apparatus for correcting orifices of steel pipes |
| KR101205311B1 (en) * | 2012-05-14 | 2012-11-27 | 동우에이치에스티 주식회사 | Annulus gear roundness calibration device |
| CN202527536U (en) * | 2012-05-15 | 2012-11-14 | 中国石油天然气集团公司 | Circularity calibration machine for opening of steel heating bent pipe |
| CN206911974U (en) * | 2017-07-12 | 2018-01-23 | 中国十九冶集团有限公司 | Pipe orifice rounding device |
| CN206966363U (en) * | 2017-07-14 | 2018-02-06 | 中石化南京工程有限公司 | A kind of mouth of pipe apparatus for correcting |
| CN107552603A (en) * | 2017-09-30 | 2018-01-09 | 中铁第四勘察设计院集团有限公司 | A kind of rail vehicle curb girder detection and adaptively correcting device and method |
| CN208303550U (en) * | 2018-05-22 | 2019-01-01 | 郑州万达重工股份有限公司 | A kind of transformation large-aperture pipe road nozzle school circular knitting machine |
| CN211191555U (en) * | 2019-11-26 | 2020-08-07 | 天津派浦澜能源科技有限公司 | Correcting device for pipe orifice of oil and gas transportation steel pipe |
| CN213223823U (en) * | 2020-08-19 | 2021-05-18 | 江苏凯恩特机械设备制造有限公司 | Quick alignment mouth of pipe correcting unit |
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