CN115078536A - Portable insulator fault detection device based on vibration resonance technology - Google Patents
Portable insulator fault detection device based on vibration resonance technology Download PDFInfo
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- CN115078536A CN115078536A CN202210701161.8A CN202210701161A CN115078536A CN 115078536 A CN115078536 A CN 115078536A CN 202210701161 A CN202210701161 A CN 202210701161A CN 115078536 A CN115078536 A CN 115078536A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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Abstract
The invention relates to the technical field of insulator fault detection, in particular to a portable insulator fault detection device based on a vibration resonance technology, which comprises a vertical sleeve frame, the top of the vertical sleeve frame is fixedly connected with a fixed pulley, an excitation acoustic detection equipment body is arranged between two sides of the inner wall of the vertical sleeve frame, the top of the excitation acoustic detection equipment body is fixedly connected with a connecting rope, one end of the connecting rope, which is far away from the excitation acoustic detection equipment body, sequentially passes through the top of the vertical sleeve frame and the fixed pulley and is fixedly connected with a positioner, the excitation acoustic detection equipment body is lifted through the connecting rope, fault detection can be carried out on the insulator through the excitation acoustic detection equipment body at the moment, the excitation acoustic detection equipment body does not need to be held manually, and the vibration generated when the hand shaking results in the contact of the excitation acoustic detection equipment body and the insulator is prevented from affecting a detection result.
Description
Technical Field
The invention relates to the field of insulator fault detection, in particular to a portable insulator fault detection device based on a vibration resonance technology.
Background
The post insulators and the knife switch operation insulators are numerous in power transmission and transformation, and internal crack faults often occur due to internal stress concentration caused by different expansion coefficients of materials or the influence of operation impact stress and unidirectional shear stress in operation, so that a reasonable flaw detection device is required to be used for judging the mechanical strength of the post insulators and the knife switch operation insulators, and the porcelain insulators are prevented from being broken due to crack development.
Because ultrasonic detection method exists that part insulator porcelain skirt clearance is less to lead to can't stretching into the probe, and partial insulator diameter is great to lead to with ultrasonic probe coupling effect scheduling problem not good, consequently prior art can utilize the technique of vibration resonance to detect, collects vibration signal through excitation acoustics check out test set promptly to the convenience is to vibration frequency spectrum detection and judge whether there is the trouble in the insulator.
In the prior art, detection is performed when the handheld excitation acoustic detection device is required to contact the insulator, but when the excitation acoustic detection device is held by hands, the hands may vibrate, so that an error occurs in the vibration detection of the excitation acoustic detection device on the insulator.
Disclosure of Invention
The invention aims to provide a portable insulator fault detection device based on a vibration resonance technology, so as to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
a portable insulator fault detection device based on a vibration resonance technology comprises a vertical sleeve frame, wherein a fixed pulley is fixedly connected to the top of the vertical sleeve frame, an excitation acoustic detection device body is arranged between two sides of the inner wall of the vertical sleeve frame, a connecting rope is fixedly connected to the top of the excitation acoustic detection device body, one end, away from the excitation acoustic detection device body, of the connecting rope sequentially passes through the top of the vertical sleeve frame and the fixed pulley and is fixedly connected with a positioner, and a plurality of positioning holes matched with the positioner are arranged in a linear array on one side of the vertical sleeve frame;
the locator includes the link, the central point of link inner wall puts to rotate and is connected with the gear, the inside swing joint of link has first rack and second rack, the one end fixedly connected with locator card axle of second rack, the one end fixedly connected with operation depression bar of first rack to the second rack is kept away from the one end fixedly connected with reset spring of operation depression bar, reset spring's one end with one side fixed connection of link inner wall.
Preferably, the connecting frame is fixed at one end of the connecting rope, and one end of the positioning clamp shaft penetrates through the connecting frame and extends into the positioning hole.
Preferably, the first rack and the second rack are respectively arranged above and below the gear, and both the first rack and the second rack are meshed with the gear.
Preferably, one side fixedly connected with guide bar of vertical cover frame, sliding connection has the slip cap on the guide bar, one side fixed connection of slip cap has the movable connecting rod, the one end of movable connecting rod with link fixed connection.
Preferably, limit sliding grooves are formed in the two sides of the inner wall of the vertical sleeve frame, a lifting sliding plate is fixedly mounted at the top of the excitation acoustic detection equipment body, and the two sides of the lifting sliding plate stretch into the limit sliding grooves and are connected with the limit sliding grooves in a sliding mode.
Preferably, one side fixed mounting of vertical stock has the display screen, one side of vertical stock just is located the below fixedly connected with mount pad of display screen, the bottom of display screen with the top fixed connection of mount pad.
Preferably, one side of vertical cover frame just is located the top fixed mounting of display screen has the contrast frame, one side of contrast frame inner wall is provided with the contrast drawing, the contrast frame is kept away from one side fixedly connected with of contrast drawing adsorbs the magnetic sheet, the contrast frame is close to one side of contrast drawing be provided with be used for with adsorb the absorption last item that the magnetic sheet cooperation was used.
Preferably, the bottom fixedly connected with horizontal base of vertical stock, the horizontal round bar of fixedly connected with between the both sides of horizontal base inner wall, sliding connection has two sliding sleeve on the horizontal round bar, the equal fixedly connected with tension spring in both sides of horizontal base inner wall, two tension spring respectively with two sliding sleeve fixed connection.
Preferably, a sliding groove opening is formed in the top of the transverse base, a sliding shaft is fixedly connected to the top of the sliding sleeve, and the top of the sliding shaft penetrates through the sliding groove opening and is fixedly connected with an arc-shaped clamping piece.
One side of the vertical sleeve frame is fixedly connected with two pulling rings, and the two pulling rings are respectively positioned at the top and the bottom of one side of the vertical sleeve frame.
The invention has the beneficial effects that:
connect the rope through the setting and hang excitation acoustics check out test set body, will excite the excitation acoustics check out test set body and contact on the insulator that is pressed from both sides tightly by two arc fasteners, can carry out fault detection to the insulator through excitation acoustics check out test set body this moment, need not manual excitation acoustics check out test set body of holding, it influences the testing result to avoid the hand shake to produce vibrations when leading to excitation acoustics check out test set body and insulator contact, and through pressing down movable locator about the operation depression bar can, can be fast to the height adjustment of excitation acoustics check out test set body, make things convenient for not unidimensional insulator fault detection to use.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the vertical nest frame of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a cross-sectional view of a front portion of the connection frame of FIG. 3;
FIG. 5 is a schematic structural view of the lateral base portion of FIG. 1;
FIG. 6 is a schematic illustration of the construction of the comparative frame portion shown in FIG. 1;
fig. 7 is a schematic view of the structure of the rear portion of the comparative frame shown in fig. 6.
The reference numbers in the figures are as follows:
1. vertical stock, 2, fixed pulley, 3, excitation acoustic detection equipment body, 4, connecting rope, 5, locator, 51, link, 52, gear, 53, first rack, 54, the second rack, 55, the locator card axle, 56, the operation depression bar, 57, reset spring, 6, the locating hole, 7, the guide bar, 8, the sliding sleeve, 9, the movable connecting rod, 10, spacing spout, 11, the lift slide, 12, the display screen, 13, the mount pad, 14, the contrast frame, 15, the contrast drawing, 16, adsorb the magnetic sheet, 17, adsorb the pressure axis, 18, horizontal base, 19, horizontal round bar, 20, sliding sleeve, 21, tension spring, 22, the slip notch, 23, the slip axis, 24, arc fastener, 25, the pulling ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A portable insulator fault detection device based on a vibration resonance technology comprises a vertical sleeve frame 1, wherein a fixed pulley 2 is fixedly connected to the top of the vertical sleeve frame 1, an excitation acoustic detection device body 3 is arranged between two sides of the inner wall of the vertical sleeve frame 1, a connecting rope 4 is fixedly connected to the top of the excitation acoustic detection device body 3, one end, far away from the excitation acoustic detection device body 3, of the connecting rope 4 sequentially passes through the top of the vertical sleeve frame 1 and the fixed pulley 2 and is fixedly connected with a positioner 5, and a plurality of positioning holes 6 matched with the positioner 5 are arranged in a linear array on one side of the vertical sleeve frame 1;
the positioner 5 comprises a connecting frame 51, a gear 52 is rotatably connected to the central position of the inner wall of the connecting frame 51, a first rack 53 and a second rack 54 are movably connected to the inside of the connecting frame 51, a positioning clamp shaft 55 is fixedly connected to one end of the second rack 54, an operation pressing rod 56 is fixedly connected to one end of the first rack 53, the second rack 54 is far away from a return spring 57 fixedly connected to one end of the operation pressing rod 56, one end of the return spring 57 is fixedly connected to one side of the inner wall of the connecting frame 51.
Like fig. 1 and fig. 2, connect rope 4 and pass from fixed pulley 2, can change the direction of activity of connecting rope 4, rotate under the frictional force effect of connecting rope 4 through fixed pulley 2, can reduce the wearing and tearing to connecting rope 4, there is the opening at the top of vertical stock 1, conveniently connects rope 4 and passes.
The excitation acoustic detection equipment body 3 is in the prior art, and is in contact with an insulator by using a small vibration exciter, vibration signals are received by a small vibration signal collector at the front end of the equipment after excitation is generated, then the vibration signals are fed back to an integrated circuit of the equipment, data are transmitted to a display screen 12 through installed WiFi (wireless fidelity) interaction equipment, the data are processed by a processing module in the display screen 12, and the data are converted into a vibration spectrogram to be displayed on the display screen 12.
The connecting frame 51 is fixed at one end of the connecting rope 4, and one end of the positioning clamp shaft 55 penetrates through the connecting frame 51 and extends into the positioning hole 6.
The first rack 53 and the second rack 54 are respectively disposed above and below the gear 52, and both the first rack 53 and the second rack 54 are engaged with the gear 52.
One side fixedly connected with guide bar 7 of vertical cover frame 1, sliding connection has sliding sleeve 8 on guide bar 7, one side fixed connection of sliding sleeve 8 has movable connecting rod 9, movable connecting rod 9's one end with link 51 fixed connection.
As shown in fig. 1, 2, 3 and 4, by sliding the sliding sleeve 8 on the guide rod 7, the movable connecting rod 9 and the connecting frame 51 fixed with the sliding sleeve 8 can only move along with the sliding sleeve 8 in the direction of the guide rod 7, the positioning clamp shaft 55 is clamped into one of the positioning holes 6, the connecting frame 51 can be prevented from moving up and down, and the position of the connecting rope 4 cannot be changed.
As shown in fig. 1 and 2, the lifting slide plate 11 and the excitation acoustic detection apparatus body 3 can only move in the vertical direction through the sliding connection between the lifting slide plate 11 and the limiting slide groove 10.
One side fixed mounting of vertical stock 1 has display screen 12, one side of vertical stock 1 just is located the below fixedly connected with mount pad 13 of display screen 12, the bottom of display screen 12 with the top fixed connection of mount pad 13.
As shown in fig. 1 and 2, the display 12 may be supported by the mounting base 13, so that the display 12 is more stably mounted.
Vertical stock 1's one side just is located the top fixed mounting of display screen 12 has contrast frame 14, one side of contrast frame 14 inner wall is provided with contrast drawing 15, contrast frame 14 keeps away from one side fixedly connected with of contrast drawing 15 adsorbs magnetic sheet 16, contrast frame 14 is close to one side of contrast drawing 15 be provided with be used for with adsorb 16 absorption last item cooperations of magnetic sheet and use 17.
Like fig. 6 and 7, through adsorbing the adsorption affinity that produces between magnetic sheet 16 and the absorption last item 17, can compress tightly the contrast drawing 15 in the inside of contrast frame 14 through adsorbing last item 17, the contrast is printed on the drawing 15 and is had the insulator vibration frequency spectrum of not damaged, through the vibration frequency spectrum on the contrast drawing 15 and the vibration frequency spectrum that display screen 12 shows, can judge whether the insulator has the damage, conveniently contrast and master the insulator fast and whether have the trouble.
The bottom fixedly connected with of vertical stock 1 horizontal base 18, the horizontal round bar 19 of fixedly connected with between the both sides of horizontal base 18 inner wall, sliding connection has two sliding sleeve 20 on the horizontal round bar 19, the equal fixedly connected with tension spring 21 in both sides of horizontal base 18 inner wall, two tension spring 21 respectively with two sliding sleeve 20 fixed connection.
The top of the transverse base 18 is provided with a sliding groove 22, the top of the sliding sleeve 20 is fixedly connected with a sliding shaft 23, and the top of the sliding shaft 23 penetrates through the sliding groove 22 and is fixedly connected with an arc-shaped clamping piece 24.
As shown in fig. 1 and 5, two sliding sleeve 20 can be pushed to the direction of being close to each other through the tension of tension spring 21, sliding sleeve 20 drives arc fastener 24 through sliding shaft 23 and is close to each other, the insulator can be placed between two arc fasteners 24, through two arc fasteners 24 from both sides chucking insulator, two arc fasteners 24 can extrude tension spring 21 through sliding sleeve 20, can carry out the chucking to insulators of different sizes, make things convenient for excitation acoustic detection equipment body 3 bottom to contact the insulator and test.
One side of the vertical sleeve frame 1 is fixedly connected with two pulling rings 25, and the two pulling rings 25 are respectively positioned at the top and the bottom of one side of the vertical sleeve frame 1.
As shown in the figures 1 and 2, when the vertical sleeve frame 1 is arranged horizontally, the two pull rings 25 are convenient for a worker to pull up the pull rings 25 from two ends, so that the vertical sleeve frame 1 can be carried conveniently.
The working principle of the portable insulator fault detection device based on the vibration resonance technology is as follows:
when the insulator is clamped on the two arc-shaped clamping pieces 24, as shown in fig. 1-4, when the operation pressure rod 56 is manually pressed towards the inside of the connecting frame 51, the operation pressure rod 56 drives the gear 52 to rotate through the first rack 53, the gear 52 drives the second rack 54 to move in the direction opposite to that of the operation pressure rod 56, so that the second rack 54 drives the positioning clamp shaft 55 to be separated from the positioning hole 6, at the moment, the positioner 5 can move up and down, the positioner 5 pulls the excitation acoustic detection device body 3 at the other end through the connecting rope 4, so that when the positioner 5 moves up, the excitation acoustic detection device body 3 moves down, and when the positioner 5 moves down, the excitation acoustic detection device body 3 moves up, the height of the excitation acoustic detection device body 3 is adjusted, and when the excitation acoustic detection device body 3 contacts the insulator, the fault detection of the insulator can be carried out.
After the height adjustment of the excitation acoustic detection device body 3 is completed, the operation pressing rod 56 is loosened, the reset spring 57 extends to push the first rack 53, the first rack 53 drives the operation pressing rod 56 to move towards the outside of the connecting frame 51, at the moment, the first rack 53 drives the second rack 54 to move in the reverse direction through the gear 52, the second rack 54 drives the positioning clamp shaft 55 to move, one end of the positioning clamp shaft 55 is clamped into the positioning hole 6, the positioner 5 cannot move upwards at the moment, and the excitation acoustic detection device body 3 connected through the connecting rope 4 and the positioner 5 does not need to be held by hands when in use.
Compared with the related art, the portable insulator fault detection device based on the vibration resonance technology has the following beneficial effects:
connect rope 4 to lift excitation acoustic detection equipment body 3 through setting up, contact excitation acoustic detection equipment body 3 on the insulator that is pressed from both sides by two arc fastener 24, can carry out fault detection to the insulator through excitation acoustic detection equipment body 3 this moment, need not manual excitation acoustic detection equipment body 3 of holding, it influences the testing result to avoid the hand shake to produce vibrations when leading to excitation acoustic detection equipment body 3 and insulator contact, and through pressing down operation depression bar 56 can activity locator 5 from top to bottom, can be fast to the height adjustment of excitation acoustic detection equipment body 3, the insulator fault detection of convenient not unidimensional uses.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A portable insulator fault detection device based on a vibration resonance technology comprises a vertical sleeve frame (1) and is characterized in that a fixed pulley (2) is fixedly connected to the top of the vertical sleeve frame (1), an excitation acoustic detection device body (3) is arranged between two sides of the inner wall of the vertical sleeve frame (1), a connecting rope (4) is fixedly connected to the top of the excitation acoustic detection device body (3), one end, far away from the excitation acoustic detection device body (3), of the connecting rope (4) sequentially passes through the top of the vertical sleeve frame (1) and the fixed pulley (2) and is fixedly connected with a positioner (5), and a plurality of positioning holes (6) matched with the positioner (5) are formed in one side of the vertical sleeve frame (1) in a linear array;
locator (5) are including link (51), the central point of link (51) inner wall puts to rotate and is connected with gear (52), the inside swing joint of link (51) has first rack (53) and second rack (54), the one end fixedly connected with locator card axle (55) of second rack (54), the one end fixedly connected with operation depression bar (56) of first rack (53) to second rack (54) are kept away from the one end fixedly connected with reset spring (57) of operation depression bar (56), the one end of reset spring (57) with one side fixed connection of link (51) inner wall.
2. The portable insulator fault detection device based on the vibration resonance technology as claimed in claim 1, wherein the connecting frame (51) is fixed at one end of the connecting rope (4), and one end of the positioning clamp shaft (55) passes through the connecting frame (51) and extends into the positioning hole (6).
3. A portable insulator fault detection device based on vibration resonance technology according to claim 2, characterized in that the first rack (53) and the second rack (54) are respectively arranged above and below the gear (52), and the first rack (53) and the second rack (54) are meshed with the gear (52).
4. The portable insulator fault detection device based on the vibration resonance technology as claimed in claim 3, wherein a guide rod (7) is fixedly connected to one side of the vertical sleeve frame (1), a sliding sleeve (8) is slidably connected to the guide rod (7), a movable connecting rod (9) is fixedly connected to one side of the sliding sleeve (8), and one end of the movable connecting rod (9) is fixedly connected to the connecting frame (51).
5. The portable insulator fault detection device based on the vibration resonance technology as claimed in claim 1, wherein two sides of the inner wall of the vertical sleeve frame (1) are both opened at a limiting sliding groove (10), a lifting sliding plate (11) is fixedly installed at the top of the excitation acoustic detection equipment body (3), and two sides of the lifting sliding plate (11) both extend into the limiting sliding groove (10) and are in sliding connection with the limiting sliding groove (10).
6. The portable insulator fault detection device based on the vibration resonance technology as claimed in claim 1, wherein a display screen (12) is fixedly installed at one side of the vertical sleeve frame (1), a mounting seat (13) is fixedly connected to one side of the vertical sleeve frame (1) and located below the display screen (12), and the bottom of the display screen (12) is fixedly connected to the top of the mounting seat (13).
7. The portable insulator fault detection device based on vibration resonance technology of claim 6, characterized in that, one side of vertical stock (1) and the top fixed mounting that is located display screen (12) have contrast frame (14), one side of contrast frame (14) inner wall is provided with contrast drawing (15), contrast frame (14) is kept away from one side fixedly connected with of contrast drawing (15) adsorbs magnetic sheet (16), contrast frame (14) are close to one side of contrast drawing (15) be provided with be used for with adsorb magnetic sheet (16) cooperation absorption pressure axis (17).
8. The portable insulator fault detection device based on the vibration resonance technology is characterized in that a transverse base (18) is fixedly connected to the bottom of the vertical sleeve frame (1), a transverse round rod (19) is fixedly connected between two sides of the inner wall of the transverse base (18), two sliding sleeves (20) are slidably connected to the transverse round rod (19), tension springs (21) are fixedly connected to two sides of the inner wall of the transverse base (18), and the two tension springs (21) are respectively and fixedly connected with the two sliding sleeves (20).
9. The portable insulator fault detection device based on the vibration resonance technology as claimed in claim 8, wherein a sliding notch (22) is formed in the top of the transverse base (18), a sliding shaft (23) is fixedly connected to the top of the sliding sleeve (20), and the top of the sliding shaft (23) passes through the sliding notch (22) and is fixedly connected with an arc-shaped clamping piece (24).
10. The portable insulator fault detection device based on the vibration resonance technology is characterized in that two pulling rings (25) are fixedly connected to one side of the vertical sleeve frame (1), and the two pulling rings (25) are respectively positioned at the top and the bottom of one side of the vertical sleeve frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701161.8A CN115078536A (en) | 2022-06-20 | 2022-06-20 | Portable insulator fault detection device based on vibration resonance technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701161.8A CN115078536A (en) | 2022-06-20 | 2022-06-20 | Portable insulator fault detection device based on vibration resonance technology |
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| Publication Number | Publication Date |
|---|---|
| CN115078536A true CN115078536A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210701161.8A Pending CN115078536A (en) | 2022-06-20 | 2022-06-20 | Portable insulator fault detection device based on vibration resonance technology |
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| CN (1) | CN115078536A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973609A (en) * | 2023-09-21 | 2023-10-31 | 国网辽宁省电力有限公司 | Power grid pillar composite insulator detection device |
-
2022
- 2022-06-20 CN CN202210701161.8A patent/CN115078536A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973609A (en) * | 2023-09-21 | 2023-10-31 | 国网辽宁省电力有限公司 | Power grid pillar composite insulator detection device |
| CN116973609B (en) * | 2023-09-21 | 2023-12-01 | 国网辽宁省电力有限公司 | Power grid pillar composite insulator detection device |
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