CN111855707A - Device and method for detecting crimping quality of strain clamp - Google Patents
Device and method for detecting crimping quality of strain clamp Download PDFInfo
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- CN111855707A CN111855707A CN202010754139.0A CN202010754139A CN111855707A CN 111855707 A CN111855707 A CN 111855707A CN 202010754139 A CN202010754139 A CN 202010754139A CN 111855707 A CN111855707 A CN 111855707A
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- 238000002788 crimping Methods 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 238000003384 imaging method Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 83
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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Abstract
The invention relates to a device and a method for detecting the crimping quality of a strain clamp, wherein the device comprises a hanging frame, an X-ray detection mechanism and a crimping part opposite edge distance measuring mechanism, wherein the X-ray detection mechanism comprises an X-ray pulse machine and a digital imaging plate; the crimping portion-to-side distance measuring mechanism comprises a first laser range finder and a second laser range finder. The device can simultaneously detect the internal condition of the crimping position of the strain clamp and accurately measure the data of the three opposite side distances of the crimping position, can detect whether defects exist in the crimping position of the strain clamp or not through the X-ray pulse machine and the digital imaging plate, can accurately measure the data of the three opposite side distances of the crimping position through the mutual matching of a plurality of laser range finders, can judge the crimping quality of the strain clamp through the detection of the X-ray pulse machine and the digital imaging plate, and can repair the strain clamp as early as possible if potential safety hazards are found, thereby avoiding larger loss.
Description
Technical Field
The invention relates to the technical field of power equipment detection, in particular to a device and a method for detecting the crimping quality of a strain clamp.
Background
The crimping type strain clamp is a hardware fitting used for fixing a wire on an overhead power line and a strain tower of a substation in a power system, and connects the wire with an insulator string, and the insulator string is connected with an iron tower so as to bear the tension of the wire, reduce the sag of the wire and play an important role in the safe operation of the power system.
After the crimping type strain clamp is crimped, the cross section of the crimping type strain clamp is hexagonal, and the deformation of six surfaces is different because the stress of the six surfaces is different in the crimping process. Root of herbaceous plantAccording to 800mm overhead conductor for power transmission and transformation engineering2The following requirements are met in the ground wire hydraulic pressure welding process specification':
opposite side distance size S after steel pipe pressinggThe allowable values of (a) are: sg= 0.86Dg+ 0.2；
In the formula: dg-nominal outside diameter of the crimped steel tube in mm;
aluminum tube pressed opposite side distance size SgThe allowable values of (a) are: sL= 0.86DL+ 0.2；
In the formula: dL-nominal outside diameter of the crimped steel tube in mm;
only one of the three corresponding edge distances reaches the maximum value, and when the three corresponding edge distances exceed the preset value, the mold is replaced and the heavy pressure is applied.
Therefore, after the crimping is completed, three butt-edge distance sizes of the crimping position need to be measured, and whether the crimping quality meets the requirement or not is judged according to the measurement result. Based on this, the applicant researches a device specially used for measuring the edge distance of the crimping part of the strain clamp.
Disclosure of Invention
The invention aims to solve the defects of the technical problems and provides a device and a method for detecting the crimping quality of a strain clamp.
In order to solve the technical problems, the invention adopts the technical scheme that: a device for detecting the crimping quality of a strain clamp comprises a hanging rack, an X-ray detection mechanism and a crimping part opposite edge distance measuring mechanism;
the hanging rack comprises two hanging arms and a connecting rod for connecting the two hanging arms, the hanging arms comprise a hook part and a straight rod part, the hook part is arranged at the head end of the straight rod part, the tail ends of the straight rod parts of the two hanging arms are connected together through the connecting rod, the hook part comprises a horizontal rod, two vertical rods and an adjustable fixture block assembly, the horizontal rod and the two vertical rods form a U-shaped structure, the straight rod part is butted with one of the vertical rods, the adjustable fixture block assembly comprises a transmission gear and two sliding fixture block units, each sliding fixture block unit comprises a fixture block and a transmission rod, the horizontal rod is provided with a sliding groove along the length direction of the horizontal rod, the middle position of the sliding groove on the upper end surface of the horizontal rod is provided with the transmission gear through a rotating shaft, sliding rails are respectively arranged at the sliding grooves on the two sides of the transmission gear, the transmission rod, the connecting part connects the sliding part and the transmission part together, the connecting part is mutually vertical to the sliding part and the transmission part, the sliding part of the transmission rod is clamped in the slide rail, one side of the two transmission rods, which is opposite to the transmission part, is provided with transmission teeth, the transmission gear is arranged between the transmission parts of the two transmission rods and is mutually meshed with the two transmission parts, the lower end of the sliding part of the transmission rod is connected with a clamping block positioned on the lower end face of the horizontal rod through a connecting piece, and the opposite side faces of the clamping blocks of the two sliding clamping block units are inclined planes which form an included angle of 120 degrees with;
the X-ray detection mechanism comprises an X-ray pulse machine and a digital imaging plate;
the crimping part-to-side distance measuring mechanism comprises a first laser range finder and a second laser range finder;
the connecting rod is the U-shaped structure that two minor faces and a long limit constitute, and two minor faces and the straight rod portion end connection of two string arms of connecting rod, X ray impulse machine and first laser range finder all set up on the long edge of connecting rod, and the horizontal pole place plane setting of two string arms of X ray impulse machine and first laser range finder transmitting terminal equal perpendicular to, digital imaging grillage is established between two horizontal poles, second laser range finder sets up at the straight rod portion inboard of one of them string arm, and the inclined plane place plane setting of its relative one side fixture block of transmitting terminal perpendicular to of second laser range finder.
The device for detecting the crimping quality of the strain clamp is further optimized as follows: and a knob coaxial with the transmission gear is arranged above the transmission gear.
The device for detecting the crimping quality of the strain clamp is further optimized as follows: the long edge lower end of the connecting rod is also provided with a handle.
The method for detecting the crimping quality of the strain clamp by using the device comprises the following steps:
s1, hanging the hanging frame at the compression joint of the strain clamp through two hanging arms, and enabling the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the compression joint by rotating the transmission gear;
s2, starting an X-ray pulse machine, carrying out perspective detection on the inside of the crimping position of the strain clamp, in the detection process, moving a hanging frame to realize continuous detection of the crimping position of the strain clamp, and closing the X-ray pulse machine after the detection is finished;
s3, opening the first laser range finder, measuring to obtain a distance L1 between the first laser range finder and the lower end face of the strain clamp crimping part, opening the second laser range finder, measuring to obtain a distance L2 between the second laser range finder and the lower side face of the corresponding strain clamp crimping part, turning over the hanging rack, measuring to obtain a distance L3 between the second laser range finder and the lower side face of the corresponding strain clamp crimping part, taking down the hanging rack, measuring to obtain a distance L4 between the first laser range finder and the digital imaging plate, and measuring to obtain a distance L5 between the second laser range finder and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L5-L3 of the strain clamp crimping part.
The device for detecting the crimping quality of the strain clamp is further optimized as follows: the crimping part is arranged on the side distance measuring mechanism and comprises a third laser range finder, the third laser range finder is arranged on the inner side of a straight rod part of the hanging arm opposite to the second laser range finder, and the transmitting end of the third laser range finder is perpendicular to the plane where the inclined plane of the clamping block on the opposite side of the third laser range finder is located.
The device for detecting the crimping quality of the strain clamp is further optimized as follows: the second laser range finder and the third laser range finder are arranged on the inner side of the straight rod part of the hanging arm through the rotatable adjusting seat.
The method for detecting the crimping quality of the strain clamp by using the device comprises the following steps:
s1, hanging the hanging frame at the compression joint of the strain clamp through two hanging arms, and enabling the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the compression joint by rotating the transmission gear;
s2, starting an X-ray pulse machine, carrying out perspective detection on the inside of the crimping position of the strain clamp, in the detection process, moving a hanging frame to realize continuous detection of the crimping position of the strain clamp, and closing the X-ray pulse machine after the detection is finished;
s3, opening the first laser range finder, measuring to obtain a distance L1 between the first laser range finder and the lower end face of the strain clamp crimping part, opening the second laser range finder, measuring to obtain a distance L2 between the second laser range finder and the lower side face of the corresponding strain clamp crimping part, opening the third laser range finder, measuring to obtain a distance L3 between the third laser range finder and the lower side face of the corresponding strain clamp crimping part, finally taking down the hanging frame, measuring to obtain a distance L4 between the first laser range finder and the digital imaging plate, measuring to obtain a distance L5 between the second laser range finder and the inclined face of the corresponding fixture block, and measuring to obtain a distance L6 between the third laser range finder and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L6-L3 of the strain clamp crimping part.
The device for detecting the crimping quality of the strain clamp is further optimized as follows: the adjustable clamping block assembly further comprises an electric driving unit, the electric driving unit comprises a shell, a motor, a power supply and a wireless remote control module, the shell is covered outside the transmission gear, a avoiding hole for the transmission part of the transmission rod to penetrate is formed in the side wall of the shell, the motor is fixedly arranged in the shell, an output shaft of the motor is coaxially connected with the transmission gear, and the power supply and the wireless remote control module are both electrically connected with the motor.
The method for detecting the crimping quality of the strain clamp by using the device comprises the following steps:
s1, hanging the hanging frame at the crimping position of the strain clamp through two hanging arms, and controlling the transmission gear to rotate through wireless remote control to enable the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the crimping position;
s2, starting an X-ray pulse machine, carrying out perspective detection on the inside of the crimping position of the strain clamp, in the detection process, moving a hanging frame to realize continuous detection of the crimping position of the strain clamp, and closing the X-ray pulse machine after the detection is finished;
s3, opening the first laser range finder, measuring to obtain a distance L1 between the first laser range finder and the lower end face of the strain clamp crimping part, opening the second laser range finder, measuring to obtain a distance L2 between the second laser range finder and the lower side face of the corresponding strain clamp crimping part, opening the third laser range finder, measuring to obtain a distance L3 between the third laser range finder and the lower side face of the corresponding strain clamp crimping part, finally taking down the hanging frame, measuring to obtain a distance L4 between the first laser range finder and the digital imaging plate, measuring to obtain a distance L5 between the second laser range finder and the inclined face of the corresponding fixture block, and measuring to obtain a distance L6 between the third laser range finder and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L6-L3 of the strain clamp crimping part.
Advantageous effects
The device can simultaneously detect the internal condition of the crimping position of the strain clamp and accurately measure the data of the three opposite side distances of the crimping position, can detect whether defects exist in the crimping position of the strain clamp or not through the X-ray pulse machine and the digital imaging plate, can accurately measure the data of the three opposite side distances of the crimping position through the mutual matching of a plurality of laser range finders, can judge the crimping quality of the strain clamp through the detection of the X-ray pulse machine and the digital imaging plate, and can repair the strain clamp as early as possible if potential safety hazards are found, thereby avoiding larger loss.
Drawings
FIG. 1 is a schematic view of the structure of the detecting device of embodiment 1 in use;
FIG. 2 is a schematic view showing a configuration of a state of use of a detecting apparatus (an X-ray detecting mechanism is not shown) according to embodiment 1;
FIG. 3 is a schematic structural view of the detecting device of embodiment 1 in a use state (side view I);
FIG. 4 is a schematic structural view of the detecting device of embodiment 1 in a use state (side view II);
fig. 5 is a schematic structural diagram of an adjustable latch assembly in the detecting device according to embodiment 1;
fig. 6 is a schematic view illustrating a connection relationship between a transmission rod and a clamping block in an adjustable clamping block assembly in the detection apparatus according to embodiment 1;
FIG. 7 is a schematic view showing a structure of a detection apparatus according to embodiment 2 in a use state;
FIG. 8 is a schematic view showing the structure of an electromotive driving unit in the detecting device according to embodiment 3;
FIG. 9 is a schematic view I of the detection method in example 1;
FIG. 10 is a schematic view of the detection method in example 1, schematically illustrating FIG. II;
FIG. 11 is a schematic view III of the detection method in example 1;
FIG. 12 is a schematic view I of the detection method in example 3;
FIG. 13 is a schematic view of the detection method in example 3 II;
the labels in the figure are: 1. the device comprises a hanging arm, 2, a connecting rod, 3, an X-ray pulse machine, 4, a digital imaging plate, 5, a first laser range finder, 6, a second laser range finder, 7, a third laser range finder, 8, an electric driving unit, 1-1, a hook part, 1-2, a straight rod part, 1-3, a horizontal rod, 1-4, a vertical rod, 1-5, a transmission gear, 1-6, a sliding rail, 1-7, a clamping block, 1-8, a transmission rod, 1-9, a sliding groove, 1-10, a sliding part, 1-11, a connecting part, 1-12, a transmission part, 2-1, a short edge, 2-2, a long edge, 8-1, a shell, 8-2 and a motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The technical solution of the present invention is further described below with reference to specific embodiments.
Example 1
As shown in the figure: the utility model provides a device for detecting strain clamp crimping quality, includes stores pylon, X ray detection mechanism and crimping portion to margin to measuring mechanism.
The hanging rack comprises two hanging arms 1 and a connecting rod 2 connecting the two hanging arms 1, the hanging arms 1 comprise a hook part 1-1 and a straight rod part 1-2, the hook part 1-1 is arranged at the head end of the straight rod part 1-2, the tail ends of the straight rod parts 1-2 of the two hanging arms 1 are connected together through the connecting rod 2, the hook part 1-1 comprises a horizontal rod 1-3, two vertical rods 1-4 and an adjustable fixture block assembly, the horizontal rod 1-3 and the two vertical rods 1-4 form a U-shaped structure, the straight rod part 1-2 is butted with one vertical rod 1-4, the adjustable fixture block assembly comprises a transmission gear 1-5 and two sliding fixture block units, the sliding fixture block unit comprises a fixture block 1-7 and a transmission rod 1-8, the horizontal rod 1-3 is provided with a sliding groove 1-9 along the length direction, the upper end surface of the horizontal rod 1-3 is provided with a transmission gear 1-5 at the middle position of the sliding groove 1-9 through a rotating shaft, the sliding grooves 1-9 at the two sides of the transmission gear 1-5 are respectively provided with a sliding rail 1-6, the transmission rod 1-8 is composed of a sliding part 1-10, a connecting part 1-11 and a transmission part 1-12, the sliding part 1-10 and the transmission part 1-12 are parallel to each other, the connecting part 1-11 connects the sliding part 1-10 and the transmission part 1-12 together, the connecting part 1-11, the sliding part 1-10 and the transmission part 1-12 are perpendicular to each other, the sliding part 1-10 of the transmission rod 1-8 is clamped in the sliding rail 1-6, one side of the transmission part 1-12 of the two transmission rods 1-8 opposite to each other is provided with a, the transmission gear 1-5 is arranged between the transmission parts 1-12 of the two transmission rods 1-8 and is meshed with the transmission parts 1-12, the lower ends of the sliding parts 1-10 of the transmission rods 1-8 are connected with the fixture blocks 1-7 on the lower end faces of the horizontal rods 1-3 through connecting pieces, and the opposite side faces of the fixture blocks 1-7 of the two sliding fixture block units are inclined planes which form an included angle of 120 degrees with the horizontal plane.
The X-ray detection mechanism comprises an X-ray pulse machine 3 and a digital imaging plate 4; the crimp-to-distance measuring mechanism comprises a first laser rangefinder 5 and a second laser rangefinder 6.
The connecting rod 2 is a U-shaped structure formed by two short sides 2-1 and a long side 2-2, the two short sides 2-1 of the connecting rod 2 are connected with the tail ends of straight rod parts 1-2 of two hanging arms 1, the X-ray pulse machine 3 and the first laser range finder 5 are arranged on the long side 2-2 of the connecting rod 2, the emitting ends of the X-ray pulse machine 3 and the first laser range finder 5 are perpendicular to the plane where the horizontal rods 1-3 of the two hanging arms 1 are located, the digital imaging plate 4 is erected between the two horizontal rods 1-3, the second laser range finder 6 is arranged on the inner side of the straight rod part 1-2 of one hanging arm 1, and the emitting end of the second laser range finder 6 is perpendicular to the plane where the inclined planes of clamping blocks 1-7 on the opposite side are located. A knob coaxial with the transmission gear 1-5 is arranged above the transmission gear, and the lower end of the long edge 2-2 of the connecting rod 2 is also provided with a handle.
The method for detecting the crimping quality of the strain clamp comprises the following steps:
s1, hanging the hanging frame at the compression joint of the strain clamp through the two hanging arms 1, and enabling the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the compression joint by rotating the transmission gears 1-5;
s2, starting the X-ray pulse machine 3, carrying out perspective detection on the inside of the crimping position of the strain clamp, in the detection process, moving the hanging frame to realize continuous detection of the crimping position of the strain clamp, and closing the X-ray pulse machine 3 after the detection is finished;
s3, opening the first laser range finder 5, measuring to obtain a distance L1 between the first laser range finder 5 and the lower end face of the strain clamp crimping part, opening the second laser range finder 6, measuring to obtain a distance L2 between the second laser range finder 6 and the lower side face of the corresponding strain clamp crimping part, turning over the hanging rack, measuring to obtain a distance L3 between the second laser range finder 6 and the lower side face of the corresponding strain clamp crimping part, finally taking off the hanging rack, measuring to obtain a distance L4 between the first laser range finder 5 and the digital imaging plate 4, and measuring to obtain a distance L5 between the second laser range finder 6 and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L5-L3 of the strain clamp crimping part.
Example 2
As shown in the figure: the utility model provides a device for detecting strain clamp crimping quality, major structure is the same with embodiment 1, the difference lies in: the crimping part opposite side distance measuring mechanism further comprises a third laser range finder 7, the third laser range finder 7 is arranged on the inner side of the straight rod part 1-2 of the hanging arm 1 opposite to the second laser range finder 6, and the transmitting end of the third laser range finder 7 is perpendicular to the plane where the inclined plane of the fixture block on the opposite side of the third laser range finder is located. The second laser range finder 6 and the third laser range finder 7 are both arranged on the inner side of the straight rod part 1-2 of the hanging arm 1 through a rotatable adjusting seat.
The method for detecting the crimping quality of the strain clamp by using the device comprises the following steps:
s1, hanging the hanging frame at the compression joint of the strain clamp through the two hanging arms 1, and enabling the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the compression joint by rotating the transmission gears 1-5;
s2, starting the X-ray pulse machine 3, carrying out perspective detection on the inside of the crimping position of the strain clamp, in the detection process, moving the hanging frame to realize continuous detection of the crimping position of the strain clamp, and closing the X-ray pulse machine 3 after the detection is finished;
s3, opening the first laser range finder 5, measuring to obtain a distance L1 between the first laser range finder 5 and the lower end face of the strain clamp crimping part, opening the second laser range finder 6, measuring to obtain a distance L2 between the second laser range finder 6 and the lower side face of the corresponding strain clamp crimping part, opening the third laser range finder 7, measuring to obtain a distance L3 between the third laser range finder 7 and the lower side face of the corresponding strain clamp crimping part, finally taking down the hanging frame, measuring to obtain a distance L4 between the first laser range finder 5 and the digital imaging plate 4, measuring to obtain a distance L5 between the second laser range finder 6 and the inclined face of the corresponding fixture block, and measuring to obtain a distance L6 between the third laser range finder 7 and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L6-L3 of the strain clamp crimping part.
Example 3
As shown in the figure: the utility model provides a device for detecting strain clamp crimping quality, major structure is the same with embodiment 2, the difference lies in: the adjustable clamping block assembly further comprises an electric driving unit 8, the electric driving unit 8 comprises a shell 8-1, a motor 8-2, a power supply and a wireless remote control module, the shell 8-1 is covered outside the transmission gear 1-5, a avoiding hole for a transmission part 1-12 of the transmission rod 1-8 to penetrate through is formed in the side wall of the shell 8-1, the motor 8-2 is fixedly arranged in the shell 8-1, an output shaft of the motor 8-2 is coaxially connected with the transmission gear 1-5, and the power supply and the wireless remote control module are electrically connected with the motor 8-2.
The method for detecting the crimping quality of the strain clamp by using the device comprises the following steps:
s1, hanging the hanging frame at the compression joint of the strain clamp through two hanging arms 1, and controlling a transmission gear 1-5 to rotate through wireless remote control to enable the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the compression joint;
s2, starting the X-ray pulse machine 3, carrying out perspective detection on the inside of the crimping position of the strain clamp, in the detection process, moving the hanging frame to realize continuous detection of the crimping position of the strain clamp, and closing the X-ray pulse machine 3 after the detection is finished;
s3, opening the first laser range finder 5, measuring to obtain a distance L1 between the first laser range finder 5 and the lower end face of the strain clamp crimping part, opening the second laser range finder 6, measuring to obtain a distance L2 between the second laser range finder 6 and the lower side face of the corresponding strain clamp crimping part, opening the third laser range finder 7, measuring to obtain a distance L3 between the third laser range finder 7 and the lower side face of the corresponding strain clamp crimping part, finally taking down the hanging frame, measuring to obtain a distance L4 between the first laser range finder 5 and the digital imaging plate 4, measuring to obtain a distance L5 between the second laser range finder 6 and the inclined face of the corresponding fixture block, and measuring to obtain a distance L6 between the third laser range finder 7 and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L6-L3 of the strain clamp crimping part.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (9)
1. The utility model provides a device for detecting strain clamp crimping quality which characterized in that: the X-ray detection device comprises a hanging rack, an X-ray detection mechanism and a crimping part opposite edge distance measuring mechanism;
the hanging rack comprises two hanging arms (1) and a connecting rod (2) for connecting the two hanging arms (1), each hanging arm (1) comprises a hook part (1-1) and a straight rod part (1-2), the hook parts (1-1) are arranged at the head ends of the straight rod parts (1-2), the tail ends of the straight rod parts (1-2) of the two hanging arms (1) are connected together through the connecting rod (2), each hook part (1-1) comprises a horizontal rod (1-3), two vertical rods (1-4) and an adjustable clamping block assembly, the horizontal rod (1-3) and the two vertical rods (1-4) form a U-shaped structure, the straight rod parts (1-2) are in butt joint with one vertical rod (1-4), the adjustable clamping block assembly comprises a transmission gear (1-5) and two sliding clamping block units, the sliding clamping block unit consists of a clamping block (1-7) and a transmission rod (1-8), a horizontal rod (1-3) is provided with a sliding groove (1-9) along the length direction, the upper end face of the horizontal rod (1-3) is positioned in the middle of the sliding groove (1-9) and is provided with a transmission gear (1-5) through a rotating shaft, the sliding grooves (1-9) positioned at the two sides of the transmission gear (1-5) are respectively provided with a sliding rail (1-6), the transmission rod (1-8) consists of a sliding part (1-10), a connecting part (1-11) and a transmission part (1-12), the sliding part (1-10) and the transmission part (1-12) are parallel to each other, the sliding part (1-10) and the transmission part (1-12) are connected together by the connecting part (1-11), the connecting part (1-11) is vertical to the sliding part (1-10) and the transmission part (1-12), the sliding parts (1-10) of the transmission rods (1-8) are clamped in the sliding rails (1-6), transmission teeth are arranged on one sides of the transmission parts (1-12) of the two transmission rods (1-8) opposite to each other, the transmission gear (1-5) is arranged between the transmission parts (1-12) of the two transmission rods (1-8) and is meshed with the transmission parts (1-12), the lower ends of the sliding parts (1-10) of the transmission rods (1-8) are connected with the clamping blocks (1-7) on the lower end face of the horizontal rod (1-3) through connecting pieces, and the opposite side faces of the clamping blocks (1-7) of the two sliding clamping block units are inclined planes forming an included angle of 120 degrees with the horizontal plane;
the X-ray detection mechanism comprises an X-ray pulse machine (3) and a digital imaging plate (4);
the crimping part-to-side distance measuring mechanism comprises a first laser range finder (5) and a second laser range finder (6);
the connecting rod (2) is of a U-shaped structure consisting of two short sides (2-1) and a long side (2-2), the two short sides (2-1) of the connecting rod (2) are connected with the tail ends of straight rod parts (1-2) of two hanging arms (1), the X-ray pulse machine (3) and the first laser range finder (5) are both arranged on the long side (2-2) of the connecting rod (2), the emitting ends of the X-ray pulse machine (3) and the first laser range finder (5) are both vertical to the plane where horizontal rods (1-3) of the two hanging arms (1) are arranged, the digital imaging plate (4) is erected between the two horizontal rods (1-3), the second laser range finder (6) is arranged on the inner side of the straight rod part (1-2) of one of the hanging arms (1), and the transmitting end of the second laser range finder (6) is perpendicular to the plane where the inclined plane of the clamping block (1-7) on the opposite side of the second laser range finder is located.
2. The apparatus for testing the crimping quality of a strain clamp according to claim 1, wherein: a knob coaxial with the transmission gear (1-5) is arranged above the transmission gear.
3. The apparatus for testing the crimping quality of a strain clamp according to claim 1, wherein: the crimping part opposite distance measuring mechanism further comprises a third laser range finder (7), the third laser range finder (7) is arranged on the inner side of a straight rod part (1-2) of the hanging arm (1) opposite to the second laser range finder (6), and the transmitting end of the third laser range finder (7) is perpendicular to the plane where the inclined plane of the fixture block on the opposite side of the third laser range finder is located.
4. The apparatus for testing the crimping quality of a strain clamp according to claim 3, wherein: the second laser range finder (6) and the third laser range finder (7) are arranged on the inner side of the straight rod part (1-2) of the hanging arm (1) through the rotatable adjusting seat.
5. The apparatus for testing the crimping quality of a strain clamp according to claim 1, wherein: the lower end of the long edge (2-2) of the connecting rod (2) is also provided with a handle.
6. The apparatus for testing the crimping quality of a strain clamp according to claim 3, wherein: the adjustable clamping block assembly further comprises an electric driving unit (8), the electric driving unit (8) comprises a shell (8-1), a motor (8-2), a power supply and a wireless remote control module, the shell (8-1) is covered outside the transmission gear (1-5), the side wall of the shell (8-1) is provided with an avoiding hole through which a transmission part (1-12) of the transmission rod (1-8) can penetrate, the motor (8-2) is fixedly arranged in the shell (8-1), an output shaft of the motor (8-2) is coaxially connected with the transmission gear (1-5), and the power supply and the wireless remote control module are both electrically connected with the motor (8-2).
7. The method for detecting the crimping quality of the strain clamp is characterized by comprising the following steps of: the device of claim 1, 2 or 5 is used for detecting the crimping quality of the strain clamp, and the method specifically comprises the following steps:
s1, hanging the hanging rack at the compression joint of the strain clamp through two hanging arms (1), and enabling the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges at the compression joint by rotating the transmission gear (1-5);
s2, starting the X-ray pulse machine (3), carrying out perspective detection on the inside of the compression joint of the strain clamp, in the detection process, moving the hanging frame to realize continuous detection of the compression joint of the strain clamp, and closing the X-ray pulse machine (3) after the detection is finished;
s3, opening the first laser range finder (5), measuring to obtain a distance L1 between the first laser range finder (5) and the lower end face of the strain clamp crimping part, opening the second laser range finder (6), measuring to obtain a distance L2 between the second laser range finder (6) and the lower side face of the corresponding strain clamp crimping part, turning over the hanging frame, measuring to obtain a distance L3 between the second laser range finder (6) and the lower side face of the corresponding strain clamp crimping part, taking down the hanging frame, measuring to obtain a distance L4 between the first laser range finder (5) and the digital imaging plate (4), and measuring to obtain a distance L5 between the second laser range finder (6) and the inclined face of the corresponding fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L5-L3 of the strain clamp crimping part.
8. The method for detecting the crimping quality of the strain clamp is characterized by comprising the following steps of: the device of claim 3 or 4 is used for detecting the crimping quality of the strain clamp, and the method specifically comprises the following steps:
s1, hanging the hanging rack at the compression joint of the strain clamp through two hanging arms (1), and enabling the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges at the compression joint by rotating the transmission gear (1-5);
s2, starting the X-ray pulse machine (3), carrying out perspective detection on the inside of the compression joint of the strain clamp, in the detection process, moving the hanging frame to realize continuous detection of the compression joint of the strain clamp, and closing the X-ray pulse machine (3) after the detection is finished;
s3, opening the first laser range finder (5), measuring to obtain a distance L1 between the first laser range finder (5) and the lower end face of the strain clamp crimping part, opening the second laser range finder (6), measuring to obtain a distance L2 between the second laser range finder (6) and the lower side face of the strain clamp crimping part corresponding to the strain clamp, opening the third laser range finder (7), measuring to obtain a distance L3 between the third laser range finder (7) and the lower side face of the strain clamp crimping part corresponding to the strain clamp, finally taking down the hanging rack, measuring to obtain a distance L4 between the first laser range finder (5) and the digital imaging plate (4), measuring to obtain a distance L5 between the second laser range finder (6) and the inclined face of the corresponding fixture block, and measuring to obtain a distance L6 between the third laser range finder (7) and the inclined face corresponding to the fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L6-L3 of the strain clamp crimping part.
9. The method for detecting the crimping quality of the strain clamp is characterized by comprising the following steps of: the device of claim 6 is used for detecting the crimping quality of the strain clamp, and comprises the following steps:
s1, hanging the hanging rack at the crimping position of the strain clamp through two hanging arms (1), and controlling a transmission gear (1-5) to rotate through wireless remote control to enable the inclined surfaces of the two clamping blocks to be tightly attached to the two inclined edges of the crimping position;
s2, starting the X-ray pulse machine (3), carrying out perspective detection on the inside of the compression joint of the strain clamp, in the detection process, moving the hanging frame to realize continuous detection of the compression joint of the strain clamp, and closing the X-ray pulse machine (3) after the detection is finished;
s3, opening the first laser range finder (5), measuring to obtain a distance L1 between the first laser range finder (5) and the lower end face of the strain clamp crimping part, opening the second laser range finder (6), measuring to obtain a distance L2 between the second laser range finder (6) and the lower side face of the strain clamp crimping part corresponding to the strain clamp, opening the third laser range finder (7), measuring to obtain a distance L3 between the third laser range finder (7) and the lower side face of the strain clamp crimping part corresponding to the strain clamp, finally taking down the hanging rack, measuring to obtain a distance L4 between the first laser range finder (5) and the digital imaging plate (4), measuring to obtain a distance L5 between the second laser range finder (6) and the inclined face of the corresponding fixture block, and measuring to obtain a distance L6 between the third laser range finder (7) and the inclined face corresponding to the fixture block;
and S4, calculating a first pair of edge distances S1= L4-L1, a second pair of edge distances S2= L5-L2 and a third pair of edge distances S3= L6-L3 of the strain clamp crimping part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010754139.0A CN111855707A (en) | 2020-07-30 | 2020-07-30 | Device and method for detecting crimping quality of strain clamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010754139.0A CN111855707A (en) | 2020-07-30 | 2020-07-30 | Device and method for detecting crimping quality of strain clamp |
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| CN111855707A true CN111855707A (en) | 2020-10-30 |
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| CN202010754139.0A Pending CN111855707A (en) | 2020-07-30 | 2020-07-30 | Device and method for detecting crimping quality of strain clamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115656229A (en) * | 2022-10-24 | 2023-01-31 | 江苏方天电力技术有限公司 | Strain clamp unmanned aerial vehicle ray detection device |
| CN118376625A (en) * | 2024-04-30 | 2024-07-23 | 中国南方电网有限责任公司超高压输电公司 | A kind of tension wire clamp crimping defect detection device and detection method |
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| CN207081670U (en) * | 2017-08-04 | 2018-03-09 | 武汉三联特种技术股份有限公司 | It is a kind of can automatic range the cannot-harm-detection device |
| CN109132919A (en) * | 2018-09-28 | 2019-01-04 | 江苏顺达机械设备有限公司 | A kind of hydraulic lifting post that stability is good |
| CN208688990U (en) * | 2018-08-15 | 2019-04-02 | 江西大荣电力设备有限公司 | Can not have a power failure the strain clamp X-ray check device used |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206479145U (en) * | 2017-02-08 | 2017-09-08 | 邹如飞 | A kind of measuring system of workpiece topography |
| CN207081670U (en) * | 2017-08-04 | 2018-03-09 | 武汉三联特种技术股份有限公司 | It is a kind of can automatic range the cannot-harm-detection device |
| CN208688990U (en) * | 2018-08-15 | 2019-04-02 | 江西大荣电力设备有限公司 | Can not have a power failure the strain clamp X-ray check device used |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115656229A (en) * | 2022-10-24 | 2023-01-31 | 江苏方天电力技术有限公司 | Strain clamp unmanned aerial vehicle ray detection device |
| CN118376625A (en) * | 2024-04-30 | 2024-07-23 | 中国南方电网有限责任公司超高压输电公司 | A kind of tension wire clamp crimping defect detection device and detection method |
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