CN111521098A - Steel pipe detection and repair equipment and detection and repair method - Google Patents
Steel pipe detection and repair equipment and detection and repair method Download PDFInfo
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- CN111521098A CN111521098A CN202010275042.1A CN202010275042A CN111521098A CN 111521098 A CN111521098 A CN 111521098A CN 202010275042 A CN202010275042 A CN 202010275042A CN 111521098 A CN111521098 A CN 111521098A
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- steel pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
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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
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a steel pipe detection and repair device and a detection and repair method, and relates to the field of steel pipe detection. This steel pipe detects repair equipment includes: the roundness detection device comprises a support frame body, a rotary clamp assembly, a roundness detection assembly and a roundness restoration assembly, wherein the rotary clamp assembly is fixedly installed above the support frame body, the roundness detection assembly is located on one side of the rotary clamp assembly, the roundness restoration assembly is located between the rotary clamp assembly and the roundness detection assembly, the rotary clamp assembly is fixedly matched with a steel pipe to be detected, the roundness detection assembly and the roundness restoration assembly do linear motion above the support frame body, and the rotary clamp assembly, the roundness detection assembly, the roundness restoration assembly and the steel pipe to be detected are concentrically matched.
Description
Technical Field
The invention relates to the field of steel pipe detection, in particular to steel pipe detection and repair equipment and a detection and repair method.
Background
The steel pipe uses mainly to press from both sides tight the realization connection to the tip of steel pipe with the axle clamp, therefore detects the tip of steel pipe and is crucial, need decide the processing to the steel pipe before the use of steel pipe among the prior art in order to reach service condition, should decide the processing and can make the circularity of steel pipe tip receive the influence, can cause the incomplete contact of axle clamp and the tip of steel pipe because of steel pipe tip circularity error when using, appear connecting unstable problem, so need provide one kind and can detect and prosthetic equipment to the circularity of steel pipe tip.
Disclosure of Invention
The purpose of the invention is as follows: the steel pipe detection and repair equipment and the detection and repair method are provided to solve the problems in the prior art.
The technical scheme is as follows: a steel pipe detection and repair device comprises: the support frame body, the rotary fixture subassembly of fixed mounting in support frame body top, be located the roundness detection subassembly of rotary fixture subassembly one side to and be located the roundness repair subassembly between rotary fixture subassembly and the roundness detection subassembly.
The rotating clamp assembly is fixedly matched with the steel pipe to be tested, and drives the steel pipe to be tested to rotate.
The roundness detection assembly comprises a first linear motion mechanism fixedly connected with the support frame body and an outer circle testing cylinder fixedly installed above the first linear motion mechanism, the first linear motion mechanism drives the outer circle testing cylinder to do linear motion along the extending direction of the central shaft of the rotary clamp assembly, and the outer circle testing cylinder is concentrically matched with the steel pipe to be tested.
The roundness repairing assembly comprises a second linear motion mechanism fixedly connected with the support frame body and an outer circle repairing assembly fixedly mounted above the second linear motion mechanism, the second linear motion mechanism drives the outer circle repairing assembly to do linear motion along the extending direction of the central shaft of the rotating clamp assembly, and the outer circle repairing assembly is matched with the steel pipe to be tested in a concentric mode.
In a further embodiment, the end of the outer circle testing cylinder is provided with a sleeving through hole concentrically matched with the rotary fixture assembly, the size of the sleeving through hole is matched with the roundness of the outer circle of the steel pipe, tapered holes are further expanded at two ends of the sleeving through hole, and the end of the outer circle testing cylinder is provided with the sleeving through hole matched with the roundness of the steel pipe, so that whether the roundness of the steel pipe is within a preset range can be judged only by judging whether the steel pipe to be tested can pass through the sleeving through hole or not when the steel pipe to be tested is detected.
In a further embodiment, the roundness repairing assembly further comprises an inner circle repairing assembly fixedly mounted above the first linear motion mechanism, the first linear motion mechanism drives the inner circle repairing assembly to do linear motion on one side, away from the rotating clamp assembly, of the outer circle testing cylinder, and a preset space matched with the steel pipe to be tested exists between the inner circle repairing assembly and the outer circle testing cylinder.
In a further embodiment, the inner circle repairing assembly comprises a third linear motion mechanism matched with the first linear motion mechanism in a motion direction in parallel, an inner circle repairing support fixedly connected with the third linear motion mechanism, and an inner circle repairing rod detachably connected with the inner circle repairing support.
The third linear motion mechanism drives the inner circle repairing support and the inner circle repairing rod to do linear motion towards the direction of the rotary fixture assembly, the diameter of the inner circle repairing rod is matched with the inner circle roundness of the steel pipe, the inner circle repairing rod is close to one end of the rotary fixture assembly, a chamfer is opened, the inner circle repairing rod can be used for carrying out roundness detection on the inner circle of the steel pipe to be detected, and the inner circle repairing rod can be guided in the steel pipe to be detected through the chamfer.
In a further embodiment, the outer circle repairing assembly comprises a fourth linear motion mechanism fixedly connected with the second linear motion mechanism and outer circle repairing cylinders fixedly installed at two ends of the fourth linear motion mechanism.
The excircle repairing cylinder is a pair of matched semi-cylindrical structures and is concentrically matched with the steel pipe to be tested.
Fourth linear motion mechanism's direction of motion and the perpendicular cooperation of second linear motion mechanism's direction of motion, a fourth linear motion mechanism drive excircle is prosthetic section of thick bamboo edgewise to the center pin of rotary fixture subassembly linear motion, makes a excircle prosthetic section of thick bamboo edgewise to the center pin of rotary fixture subassembly linear motion through fourth linear motion mechanism, then makes a excircle prosthetic section of thick bamboo move to the tip from the middle part of the steel pipe that awaits measuring through second linear motion mechanism, accords with in the panel beating repair work from deformation little to the progressively prosthetic principle of shape grow department, has not only avoided causing the damage to the steel pipe that awaits measuring, can also restore the steel pipe that awaits measuring.
In a further embodiment, the inner wall of a section of thick bamboo is restoreed to the excircle still can dismantle and be connected with four at least rolling members, the center pin of rolling member is predetermined angle with the center pin that a section of thick bamboo was restoreed to the excircle, the rolling member uses rolling member and the steel pipe butt that awaits measuring, can avoid a section of thick bamboo is restoreed to the excircle and the steel pipe that awaits measuring takes place the rigidity butt, reduces frictional force, has solved the wall thickness reduction of the steel pipe that awaits measuring, the problem that the steel pipe intensity that awaits measuring reduces.
In a further embodiment, the roundness detection assembly and the roundness restoration assembly are at least two, the roundness detection assembly is symmetrically installed at two ends of the rotating clamp assembly, the roundness restoration assembly is symmetrically installed at two ends of the rotating clamp assembly, and the roundness restoration assembly is located between the roundness detection assembly and the rotating clamp assembly.
The rotary fixture component is matched with the middle of the steel pipe to be detected, the roundness detection component and the roundness restoration component are matched with the two ends of the steel pipe to be detected respectively, and the roundness detection component and the roundness restoration component are symmetrically installed at the two ends of the rotary fixture component, so that the two ends of the steel pipe to be detected can be detected and restored simultaneously, and the time for clamping preparation is greatly reduced.
The detection and repair method of the steel pipe detection and repair equipment comprises the following steps: firstly, clamping the steel pipe to be tested on a rotating clamp assembly, and driving the steel pipe to be tested to rotate by the rotating clamp assembly.
And secondly, moving the roundness detection assembly from the end part of the steel pipe to be detected to the direction of the rotary clamp assembly, and detecting the roundness of the steel pipe to be detected through the roundness detection assembly.
And thirdly, moving the roundness repairing assembly from the rotating clamp assembly to the end part of the steel pipe to be detected, and performing roundness repairing work on the end part of the steel pipe to be detected through the roundness repairing assembly.
Has the advantages that: the invention discloses a steel pipe detection and repair device and a detection and repair method, which are used for detecting the roundness of a steel pipe to be detected through a roundness detection assembly, judging whether the steel pipe to be detected is in a preset range, and repairing the roundness of the steel pipe to be detected through the roundness repair assembly if the steel pipe to be detected is not in the preset range, so that the steel pipe to be detected is repaired to be in the preset range, and the problems that in the prior art, a shaft clamp is not in complete contact with the end part of the steel pipe and the connection is unstable due to the roundness error of the end part of the.
Drawings
Fig. 1 is an assembly schematic of the present invention.
FIG. 2 is an enlarged schematic view of the roundness detection assembly of the present invention.
FIG. 3 is a schematic partial cross-sectional view of an outer cylindrical test cartridge of the present invention.
Fig. 4 is an enlarged schematic view of the rolling member of the present invention.
The reference numerals shown in fig. 1 to 4 are: the device comprises a support frame body 1, a rotary clamp component 2, a roundness detection component 3, a roundness restoration component 4, a first linear motion mechanism 31, an outer circle testing cylinder 32, a second linear motion mechanism 41, an outer circle restoration component 42, an inner circle restoration component 43, a fourth linear motion mechanism 421, an outer circle restoration cylinder 422, a rolling part 423, a third linear motion mechanism 431, an inner circle restoration support 432 and an inner circle restoration rod 433.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The steel pipe is mainly used for clamping and connecting the end parts of the steel pipe by using a shaft clamp, so that the detection of the end parts of the steel pipe is very important, in the prior art, the steel pipe needs to be cut before being used so as to achieve the use condition, the roundness of the end parts of the steel pipe is influenced by the cutting treatment, the shaft clamp is not completely contacted with the end parts of the steel pipe due to the roundness error of the end parts of the steel pipe when being used, and the connection is unstable.
The steel pipe detects repair equipment includes: the device comprises a support frame body 1, a rotary clamp component 2, a roundness detection component 3, a roundness restoration component 4, a first linear motion mechanism 31, an outer circle testing cylinder 32, a second linear motion mechanism 41, an outer circle restoration component 42, an inner circle restoration component 43, a third linear motion mechanism 431, an inner circle restoration support 432, an inner circle restoration rod 433, a fourth linear motion mechanism 421, an outer circle restoration cylinder 422 and a rolling piece 423.
The support frame body 1 comprises a platform and sliding grooves fixedly arranged on two sides of the upper portion of the platform, and the sliding grooves are used for assisting the roundness detection assembly 3 and the roundness restoration assembly 4 to move linearly.
The rotating clamp assembly 2 comprises a six-jaw chuck fixedly mounted at one end above the support frame body 1, a steel pipe to be tested is clamped and fixed in the six-jaw chuck, and the six-jaw chuck drives the steel pipe to be tested to rotate.
The roundness detection assembly 3 comprises a first linear motion mechanism 31 and an outer circle testing cylinder 32, the first linear motion mechanism 31 is a ball screw mechanism for executing linear motion, an air cylinder or a hydraulic cylinder, in the embodiment shown in fig. 1 and 2, the first linear motion mechanism 31 is a hydraulic cylinder, sliders matched with sliding grooves of the support frame body 1 are further extended on two sides of the outer circle testing cylinder 32 shown in fig. 2, the sliders are inserted in the sliding grooves, the sliders are in sliding fit with the sliding grooves, the outer circle testing cylinder 32 is prevented from inclining, the outer circle testing cylinder 32 is fixedly arranged above the first linear motion mechanism 31, the first linear motion mechanism 31 drives the outer circle testing cylinder 32 to do linear motion along the extending direction of a central shaft of the rotary clamp assembly 2, and the outer circle testing cylinder 32 is in concentric fit with a steel pipe to be detected.
During assembly, the outer circle testing cylinder 32 is fixedly connected with the first linear motion mechanism 31 to form a roundness detection assembly 3 in a screw connection mode, the outer circle repairing assembly 42 is fixedly connected with the second linear motion mechanism 41 to form a roundness repairing assembly 4 in a screw connection mode, the chute is fixedly arranged above the platform to form a support frame body 1 in a screw connection mode, the rotary clamp assembly 2 is fixedly arranged at one end above the support frame body 1, the first linear motion mechanism 31 of the roundness detection assembly 3 is fixedly arranged at the other end above the support frame body 1, and the second linear motion mechanism 41 of the roundness repairing assembly 4 is fixedly arranged above the support frame body 1 and positioned between the rotary clamp assembly 2 and the roundness detection assembly 3, wherein the rotary clamp assembly 2, the roundness detection assembly 3 and the roundness repairing assembly 4 are detachably connected with the support frame body 1 in a screw connection mode, the roundness detection device is suitable for steel pipes to be detected of different models and convenient for equipment maintenance, and when the roundness detection assembly 3 and the roundness restoration assembly 4 are installed, the sliding grooves and the sliding blocks need to be in sliding fit.
The working principle is as follows: firstly, a steel pipe to be detected is clamped on the rotary clamp assembly 2, the rotary clamp assembly 2 drives the steel pipe to be detected to rotate, then the roundness detection assembly 3 moves from the end part of the steel pipe to be detected to the direction of the rotary clamp assembly 2, the roundness of the steel pipe to be detected is detected through the roundness detection assembly 3, finally the roundness repairing assembly 4 moves from the rotary clamp assembly 2 to the end part of the steel pipe to be detected, and the roundness repairing assembly 4 carries out roundness repairing work on the end part of the steel pipe to be detected.
And detecting the roundness of the steel pipe to be detected through the roundness detection assembly 3, judging whether the steel pipe to be detected is in a preset range, and if not, performing roundness restoration on the steel pipe to be detected through the roundness restoration assembly 4 to restore the steel pipe to be detected to the preset range.
In a further embodiment, in the prior art, a precise length sensor is abutted to the surface of a shaft workpiece, and the roundness of the shaft workpiece is detected by using a rotating shaft method, the use of the length sensor needs to clean the surface of the shaft workpiece so as to ensure the use precision and the service life of the length sensor, and the main use place of a steel pipe is a construction site, so that the problems of high cleaning difficulty and long cleaning time exist, and the method is not suitable for detecting the roundness of the end part of the steel pipe by using the length sensor.
In order to solve the problems, the end part of the outer circle testing cylinder 32 is provided with a sleeving through hole which is concentrically matched with the rotary clamp assembly 2, the size of the sleeving through hole is matched with the circular degree size range of the outer circle of the steel pipe, and two ends of the sleeving through hole are provided with tapered holes.
The working principle is as follows: after the steel pipe to be detected is cut, if the roundness of the steel pipe to be detected exceeds a preset range, the end part of the steel pipe to be detected can be changed into an oval shape, and at the moment, the long axis of the steel pipe to be detected can be larger than the diameter of the steel pipe meeting the use standard, so when the steel pipe to be detected is detected by using the roundness detection assembly 3, the outer circle test cylinder 32 is moved towards the steel pipe to be detected, if the steel pipe to be detected can pass through the sleeving through hole, the outer circle roundness of the steel pipe to be detected belongs to a qualified product within the preset range, the roundness repairing work is not required, if the steel pipe to be detected can not pass through the sleeving through hole, the outer circle roundness of the steel pipe to be detected does not belong to.
Through opening one at the tip of excircle test tube 32 and waiting to await measuring the circularity matched with cup joint the through-hole, only need can pass according to the steel pipe that awaits measuring whether can judge whether the circularity of steel pipe is in the predetermined range when detecting the steel pipe that awaits measuring, even there is impurity on the surface of the steel pipe that awaits measuring, impurity also can be struck off by the cover through-hole when the steel pipe that awaits measuring passes cup joint the through-hole, has solved and has used length sensor to need clean the steel pipe, problem of operating time overlength.
In a further embodiment, only the excircle of the steel pipe to be measured is repaired, although the problem that the connection is unstable due to incomplete contact of the shaft clamp and the end of the steel pipe caused by roundness error of the end of the steel pipe can be solved, the problem that the wall thickness of the steel pipe is not uniform due to the fact that the inner circle of the steel pipe is not repaired, and the steel pipe is easy to break when the steel pipe is used is solved.
In order to solve the above problem, the roundness repairing assembly 4 further includes an inner circle repairing assembly 43 fixedly mounted above the first linear motion mechanism 31, the first linear motion mechanism 31 drives the inner circle repairing assembly 43 to make linear motion on one side of the outer circle testing cylinder 32 far away from the rotating fixture assembly 2, and a predetermined space matched with the steel pipe to be tested exists between the inner circle repairing assembly 43 and the outer circle testing cylinder 32.
Further, the inner circle repairing assembly 43 includes a third linear motion mechanism 431 which is matched with the first linear motion mechanism 31 in parallel with the motion direction, an inner circle repairing support 432 fixedly connected with the third linear motion mechanism 431, and an inner circle repairing rod 433 detachably connected with the inner circle repairing support 432, wherein the third linear motion mechanism 431 is a ball screw mechanism, an air cylinder or a hydraulic cylinder which performs linear motion, in the embodiment shown in fig. 1 and 2, the third linear motion mechanism 431 is a hydraulic cylinder, and sliding blocks which are matched with the sliding grooves of the support frame body 1 in a sliding manner extend from two sides of the bottom end of the inner circle repairing support 432 shown in fig. 2.
The third linear motion mechanism 431 drives the inner circle repairing support 432 and the inner circle repairing rod 433 to do linear motion towards the direction of the rotary clamp assembly 2, the diameter of the inner circle repairing rod 433 is matched with the inner circle roundness of the steel pipe, and a chamfer is formed at one end, close to the rotary clamp assembly 2, of the inner circle repairing rod 433.
As shown in fig. 2, the third linear motion mechanism 431 and the outer circle testing cylinder 32 are both fixedly mounted above the mounting plate, the mounting plate is mounted above the first linear motion mechanism 31, a predetermined gap exists between the inner circle repairing support 432 and the mounting plate, the inner circle repairing rod 433 is detachably connected with the inner circle repairing support 432 in a threaded manner, in the embodiment shown in fig. 1 and 2, linear bearings are further fixedly mounted on two sides of the top end of the inner circle repairing support 432, and optical axes in sliding fit with the linear bearings are further screwed on two sides of the top end of the outer circle testing cylinder 32.
The working principle is as follows: after the roundness detection component 3 detects the excircle roundness of the steel pipe to be detected, the roundness of the inner circle of the steel pipe to be detected is detected through the inner circle repairing rod 433, if the inner circle repairing rod 433 can be inserted into the steel pipe to be detected for a predetermined distance to move, the roundness of the inner circle of the steel pipe to be detected belongs to a qualified product within a predetermined range, roundness repairing work is not required, if the inner circle repairing rod 433 cannot be inserted into the steel pipe to be detected or cannot be moved for a predetermined distance after being inserted into the steel pipe to be detected, the roundness of the inner circle of the steel pipe to be detected does not belong to a defective product within a predetermined range, the roundness repairing component 4 needs to be further moved to the position where the inner circle repairing rod 433 is inserted into the steel pipe to be detected, then the inner circle repairing rod 433 continues to move into the steel pipe to be detected, and the roundness repairing component 4 maintains the excircle roundness of the, the inner circle repair rod 433 can also be guided in the steel pipe to be measured by the chamfering.
In a further embodiment, the existing steel pipe repairing device is provided with at least two pairs of rollers for straightening a steel pipe to be tested, because the rollers are arranged in parallel and the steel pipe to be tested is round, the scheme has the problems that only the straightness of the steel pipe to be tested can be repaired and the roundness of the steel pipe to be tested cannot be repaired, if the roundness of the steel pipe to be tested is repaired by directly using the cylinder, the steel pipe to be tested cannot pass through the cylinder, the cylinder can only move from the tail end of the steel pipe to the middle part, and the steel pipe to be tested deforms because the end part of the steel pipe to be tested is subjected to shearing force, so that the deformation of the end part is larger than the deformation of the middle part, an important principle in the metal plate repairing work is to gradually repair the steel pipe to be tested from a small deformation part to a large deformation part so as to avoid the damage of the thin wall thickness of, not only can the steel pipe to be detected be repaired, but also the steel pipe to be detected can be damaged.
The outer circle repairing assembly 42 includes a fourth linear motion mechanism 421 fixedly connected to the second linear motion mechanism 41, and an outer circle repairing cylinder 422 fixedly installed at two ends of the fourth linear motion mechanism 421, wherein the fourth linear motion mechanism 421 is two symmetrically installed hydraulic cylinders or air cylinders, or a ball screw mechanism with opposite screw threads at two ends of a screw, and in the embodiment shown in fig. 1, the fourth linear motion mechanism 421 is a ball screw mechanism with opposite screw threads at two ends of a screw.
The outer circle repairing cylinder 422 is a pair of matched semi-cylindrical structures, and the outer circle repairing cylinder 422 is concentrically matched with the steel pipe to be tested.
The moving direction of the fourth linear motion mechanism 421 is vertically matched with the moving direction of the second linear motion mechanism 41, and the fourth linear motion mechanism 421 drives the outer circle repairing cylinder 422 to make linear motion from the side surface to the central axis of the rotary fixture assembly 2.
Make an excircle restoration section of thick bamboo 422 can move to the position that the steel pipe that awaits measuring is close to rotary fixture subassembly 2 under the condition of contactless steel pipe that awaits measuring through fourth linear motion mechanism 421, then make an excircle restoration section of thick bamboo 422 move to the tip from the middle part of the steel pipe that awaits measuring through second linear motion mechanism 41, accord with in the panel beating repair work from the little progressively prosthetic principle of deformation department to shape grow department, not only can repair the steel pipe that awaits measuring, still avoided causing the damage to the steel pipe that awaits measuring.
In a further embodiment, if the cylindrical repairing cylinder 422 is directly used to generate rigid friction with the steel pipe to be tested, the steel pipe to be tested is also easily scratched, and the problems that the wall thickness of the steel pipe to be tested is reduced and the strength of the steel pipe to be tested is reduced exist.
In order to solve the above problem, at least four rolling members 423 may be detachably connected to the inner wall of the outer circle repairing cylinder 422, the rolling members 423 are abutted to the steel pipe to be tested, the rolling members 423 are spherical, cylindrical or olive-shaped, and in the embodiment shown in fig. 4, the rolling members 423 are olive-shaped.
The rolling piece 423 is abutted to the steel pipe to be detected, rigid friction between the outer circle repairing cylinder 422 and the steel pipe to be detected can be avoided, friction force is reduced, and the problem that the strength of the steel pipe to be detected is reduced due to the fact that the wall thickness of the steel pipe to be detected is reduced is solved.
Further, if the central axis of the rolling member 423 is parallel to the central axis of the cylindrical repairing cylinder 422, when the cylindrical repairing cylinder 422 makes a linear motion on the outer side of the steel pipe to be tested, the rigid friction between the rolling member 423 and the steel pipe to be tested cannot be converted into rolling friction, and the steel pipe is still scratched.
Therefore, a preset included angle which is larger than 0 degree and smaller than 90 degrees exists between the central shaft of the rolling element 423 and the central shaft of the excircle repairing cylinder 422, the friction force is further reduced, and the problems that the wall thickness of the steel pipe to be detected is reduced and the strength of the steel pipe to be detected is reduced are solved.
In a further embodiment, when the steel pipe to be detected is too long, the problem of difficult clamping exists, and especially when the roundness detection needs to be carried out on both ends of the steel pipe to be detected, the problem of too long preparation time exists.
In order to solve the problems, the roundness detection assembly 3 and the roundness restoration assembly 4 are at least two, the roundness detection assembly 3 is symmetrically installed at two ends of the rotating clamp assembly 2, the roundness restoration assembly 4 is symmetrically installed at two ends of the rotating clamp assembly 2, and the roundness restoration assembly 4 is located between the roundness detection assembly 3 and the rotating clamp assembly 2.
The rotating clamp assembly 2 is matched with the middle of the steel pipe to be detected, and the roundness detection assembly 3 and the roundness restoration assembly 4 are respectively matched with two ends of the steel pipe to be detected.
Install the roundness detection subassembly 3 and the roundness restoration subassembly 4 at rotary fixture subassembly 2 both ends through the symmetry, can detect and restore the both ends of the steel pipe that awaits measuring simultaneously, very big reduction the time of preparation.
Claims (8)
1. The utility model provides a steel pipe detects repair equipment which characterized in that includes: the roundness detection device comprises a support frame body, a rotary clamp assembly fixedly arranged above the support frame body, a roundness detection assembly positioned on one side of the rotary clamp assembly, and a roundness restoration assembly positioned between the rotary clamp assembly and the roundness detection assembly;
the rotary clamp assembly is fixedly matched with the steel pipe to be tested, and drives the steel pipe to be tested to rotate;
the roundness detection assembly comprises a first linear motion mechanism fixedly connected with the support frame body and an outer circle test cylinder fixedly arranged above the first linear motion mechanism, the first linear motion mechanism drives the outer circle test cylinder to do linear motion along the extension direction of a central shaft of the rotary clamp assembly, and the outer circle test cylinder is concentrically matched with a steel pipe to be detected;
the roundness repairing assembly comprises a second linear motion mechanism fixedly connected with the support frame body and an outer circle repairing assembly fixedly mounted above the second linear motion mechanism, the second linear motion mechanism drives the outer circle repairing assembly to do linear motion along the extending direction of the central shaft of the rotating clamp assembly, and the outer circle repairing assembly is matched with the steel pipe to be tested in a concentric mode.
2. The steel pipe detecting and repairing device according to claim 1, wherein a sleeving through hole concentrically matched with the rotary clamp assembly is formed in the end portion of the outer circle testing cylinder, the size of the sleeving through hole is matched with the roundness of the outer circle of the steel pipe, and tapered holes are further formed in two ends of the sleeving through hole.
3. The steel pipe detecting and repairing device according to claim 2, wherein the roundness repairing assembly further comprises an inner circle repairing assembly fixedly mounted above the first linear motion mechanism, the first linear motion mechanism drives the inner circle repairing assembly to make linear motion on one side, away from the rotating clamp assembly, of the outer circle testing cylinder, and a predetermined space matched with the steel pipe to be tested is formed between the inner circle repairing assembly and the outer circle testing cylinder.
4. The steel pipe detecting and repairing device of claim 3, wherein the inner circle repairing assembly comprises a third linear motion mechanism matched with the first linear motion mechanism in a motion direction in parallel, an inner circle repairing support fixedly connected with the third linear motion mechanism, and an inner circle repairing rod detachably connected with the inner circle repairing support;
the third linear motion mechanism drives the inner circle repairing support and the inner circle repairing rod to do linear motion towards the direction of the rotary fixture assembly, the diameter of the inner circle repairing rod is matched with the inner circle roundness of the steel pipe, and a chamfer is formed at one end, close to the rotary fixture assembly, of the inner circle repairing rod.
5. The steel pipe detecting and repairing device according to claim 1, wherein the outer circle repairing assembly comprises a fourth linear motion mechanism fixedly connected with the second linear motion mechanism and outer circle repairing cylinders fixedly arranged at two ends of the fourth linear motion mechanism;
the outer circle repairing cylinder is a pair of matched semi-cylindrical structures and is concentrically matched with the steel pipe to be detected;
the motion direction of the fourth linear motion mechanism is vertically matched with the motion direction of the second linear motion mechanism, and the fourth linear motion mechanism drives the outer circle repairing cylinder to do linear motion from the side surface to the central shaft of the rotary clamp assembly.
6. The steel pipe detecting and repairing device according to claim 5, wherein at least four rolling members are detachably connected to the inner wall of the outer circle repairing cylinder, a central axis of each rolling member and a central axis of the outer circle repairing cylinder form a predetermined angle, and the rolling members are abutted to the steel pipe to be tested.
7. The steel pipe detecting and repairing device according to claim 1, wherein there are at least two roundness detecting assemblies and at least two roundness repairing assemblies, the roundness detecting assemblies are symmetrically installed at two ends of the rotating fixture assembly, the roundness repairing assemblies are symmetrically installed at two ends of the rotating fixture assembly, and the roundness repairing assemblies are located between the roundness detecting assemblies and the rotating fixture assembly;
the rotary clamp assembly is matched with the middle of the steel pipe to be detected, and the roundness detection assembly and the roundness restoration assembly are respectively matched with two ends of the steel pipe to be detected.
8. The steel pipe inspection and repair method based on any one of claims 3 to 7, characterized by comprising: firstly, clamping a steel pipe to be tested on a rotary clamp assembly, and driving the steel pipe to be tested to rotate by the rotary clamp assembly;
secondly, moving the roundness detection assembly from the end part of the steel pipe to be detected to the direction of the rotary clamp assembly, and detecting the roundness of the steel pipe to be detected through the roundness detection assembly;
and thirdly, moving the roundness repairing assembly from the rotating clamp assembly to the end part of the steel pipe to be detected, and performing roundness repairing work on the end part of the steel pipe to be detected through the roundness repairing assembly.
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| CN202010275042.1A CN111521098A (en) | 2020-04-09 | 2020-04-09 | Steel pipe detection and repair equipment and detection and repair method |
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| CN202010275042.1A CN111521098A (en) | 2020-04-09 | 2020-04-09 | Steel pipe detection and repair equipment and detection and repair method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197667A (en) * | 2020-09-27 | 2021-01-08 | 湖州中福人管业科技有限公司 | Straight pipe coaxiality detection device for pipeline machining |
| CN116275132A (en) * | 2023-05-23 | 2023-06-23 | 西南石油大学 | Laser repairing equipment and process for damaged sucker rod in oil field |
| CN117647193A (en) * | 2023-10-26 | 2024-03-05 | 巴州鼎力杆塔有限公司 | Wire pole optional position roundness dimension measuring device |
-
2020
- 2020-04-09 CN CN202010275042.1A patent/CN111521098A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197667A (en) * | 2020-09-27 | 2021-01-08 | 湖州中福人管业科技有限公司 | Straight pipe coaxiality detection device for pipeline machining |
| CN112197667B (en) * | 2020-09-27 | 2022-08-19 | 长沙祥合顺管业有限公司 | Straight pipe coaxiality detection device for pipeline machining |
| CN116275132A (en) * | 2023-05-23 | 2023-06-23 | 西南石油大学 | Laser repairing equipment and process for damaged sucker rod in oil field |
| CN116275132B (en) * | 2023-05-23 | 2023-07-25 | 西南石油大学 | Laser repairing equipment and process for damaged sucker rod in oil field |
| CN117647193A (en) * | 2023-10-26 | 2024-03-05 | 巴州鼎力杆塔有限公司 | Wire pole optional position roundness dimension measuring device |
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Application publication date: 20200811 |