CN105717193B - A kind of ultrasonic detection method for bolt - Google Patents
A kind of ultrasonic detection method for bolt Download PDFInfo
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- CN105717193B CN105717193B CN201410713832.8A CN201410713832A CN105717193B CN 105717193 B CN105717193 B CN 105717193B CN 201410713832 A CN201410713832 A CN 201410713832A CN 105717193 B CN105717193 B CN 105717193B
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- 238000001514 detection method Methods 0.000 title claims abstract description 93
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- 238000007689 inspection Methods 0.000 claims description 26
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000011017 operating method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention is a kind of ultrasonic detection device for bolt, including bolt clamping part and probe clamping part；Retaining part is above bolt clamping part and what can be relatively rotated between the two links together for probe；Bolt clamping part includes a circular base plate, and circular base plate center has through hole；The through hole hole wall of circular base plate is along the circumferential direction uniformly provided with three lock-screws；Circular base plate is additionally provided with lock-screw linkage mechanism；Clamping part of popping one's head in includes a hollow shell, and shell lower ending opening, open end is rotatably connected on the top of circular base plate；Opposite both sides are laterally equipped with radiai adjustment screw rod on shell, and enclosure interior is equipped with probe clamp assemblies.The present invention also provides a kind of detection methods.Reliability and favorable repeatability of the present invention realize the full record of detection data, reduce operating procedure.
Description
Technical field
The present invention relates to a kind of ultrasonic detection device and detection method more particularly to a kind of ultrasonic waves for bolt
Detection method.
Background technology
Bolt-connection is the most common type structure connecting mode, is widely adopted in various engineering designs.Equally, exist
Firepower, waterpower and the equipment of wind power plant also largely use bolt and couple to associated components.In the process of long-time service
In, bolt will produce crackle, in order to use safely, need to carry out ultrasound examination to bolt.Ultrasonic wave is carried out to bolt at present
Detection mainly holds probe using conventional ultrasound instrument using the longitudinal wave normal probe or longitudinal wave oblique probe of single-chip with hand
The screw thread position to bolt, screw parts progress ultrasound examination are moved in bolt end face.Mainly include the following steps：1.
Adjust suitable indication range, elder generation's detection probe places the screw thread position at end when detection；2. adjusting suitable indication range inspection again
Survey screw parts；3. for all threaded bolt in both ends also by probe placement in offside end face, to the screw thread of that side into
Row detection.
The shortcomings that this detection mode, has：It is influenced by manual operation mode, repeatability is not high, and the pressure size of hand is visited
In place whether head mobile, can all be had an impact to testing result；It is difficult to ensure that acoustic beam vertically enters when using small angle longitudinal wave probe
It is mapped to region to be checked, be easy to cause missing inspection；Use means, the detection datas such as position record that can not be formed with detection position pair
It should be related to；Due to being limited by instrument, probe, the detection for carrying out 2 times to 3 times is needed to can be only achieved the complete inspection to a bolt
It surveys.
The present inventor relies on experience and the practice for being engaged in relevant industries for many years as a result, proposes a kind of ultrasound for bolt
Wave detecting method, to overcome the deficiencies of existing technologies.
Invention content
The purpose of the present invention is to provide a kind of ultrasonic detection methods for bolt, realize the semi-automatic inspection of bolt
It surveys, improves the reliability and repeatability of detection.
Another object of the present invention is to provide a kind of ultrasonic detection methods for bolt, realize the complete of detection data
Record, establishes the correspondence of detection data and test position.
Another object of the present invention is to provide a kind of ultrasonic detection device and detection method for bolt, once sweep
Check and verify the complete detection for being now detected bolt this side screw thread, screw parts and offside screw thread.
The object of the present invention is achieved like this, a kind of ultrasonic detection device for bolt, the ultrasound examination
Device includes the bolt clamping part for detected bolt to be clamped and the probe clamping part for ultrasonic inspection probe to be clamped；It is described
Retaining part is above bolt clamping part and what can be relatively rotated between the two links together for probe；The bolt clamping part packet
A circular base plate is included, the circular base plate center has the through hole passed through for being detected bolt；The through hole of circular base plate
Hole wall is along the circumferential direction uniformly provided with three lock-screws, and the equal level of three lock-screws is located at circular base plate and can be along circle
Shape chassis moves radially, and then one end of lock-screw can be extend into through hole；Circular base plate, which is additionally provided with, can make three locks
Tight screw synchronizes the lock-screw linkage mechanism moved radially；The probe clamping part includes a hollow shell, shell lower end
Opening, open end is rotatably connected on the top of circular base plate；Opposite both sides laterally wear that there are one radial on the shell
Adjusting screw rod, radiai adjustment screw rod are connect with housing into rotation, and enclosure interior is set there are one being connect simultaneously with radiai adjustment screw flight
The probe clamp assemblies of the radially adjusted screw rod axial movement of energy.
In the better embodiment of the present invention, lock-screw linkage mechanism includes rotating handle, worm gear sleeve, flexible axle
And worm screw；Worm gear sleeve and worm screw are three, are correspondingly arranged respectively with three lock-screw positions；Outside the worm gear sleeve
Portion is worm gear, is internally threaded, and worm gear sleeve coaxial sleeve is located at outside lock-screw and is threadedly coupled with lock-screw, locking screw
Guide frame is equipped between nail and circular base plate, worm gear sleeve is rotatably arranged in circular base plate；Worm screw respectively with worm gear sleeve
Outer worm gear engages, and is sequentially connected in series and can be rotated synchronously by flexible axle between three worm screws；Positioned at end a worm screw with
One rotating handle is fixedly connected, and the rotating handle reaches outside circular base plate.
In the better embodiment of the present invention, guide frame includes the retainingf key and locking screw being arranged in circular base plate
The guide groove of setting is nailed on, the guide groove is arranged along the axial direction of lock-screw, and the retainingf key is located in guide groove.
In the better embodiment of the present invention, circular base plate is divided into top bottom-disc and low bottom-disc, and upper and lower chassis is mutually folded
It sets together, the accommodating space for accommodating the lock-screw linkage mechanism is provided between upper and lower chassis；The worm screw and flexible axle
Between be connected through a screw thread, flexible axle is circumferentially disposed in accommodating space；It is to be threadedly coupled between rotating handle and worm screw.
In the better embodiment of the present invention, around the top edge of through hole equipped with protruding upward on top bottom-disc
Annular flange；The open end of probe clamping part shell is equipped with downwardly projecting annular convex platform, and the annular convex platform is fastened on annular
Rotation connection is formed outside flange.
In the better embodiment of the present invention, circular base plate is equipped with encoder storage tank, along the diameter of circular base plate
To equipped with the top wire hole communicated with encoder storage tank；One rotary encoder is arranged in encoder storage tank, in top wire hole
Equipped with the jackscrew for compressing rotary encoder, the rotating wheel of rotary encoder is made to be fitted tightly over probe clamping part shell
Annular convex platform side.
In the better embodiment of the present invention, an encoder is additionally provided in circular base plate.
In the better embodiment of the present invention, head clamp assemblies include a probe cover, and the probe cover is opened for lower end
The hollow housing of mouth, opposite sides are equipped with the through-hole passed through for radiai adjustment screw rod；In the probe cover with radiai adjustment spiral shell
The corresponding position of bar is equipped with radiai adjustment block, and the radiai adjustment screw rod passes through radiai adjustment block and is threadedly coupled with it；Probe
It is equipped with probe gripping block positioned at the lower part of radiai adjustment block in cover, being equipped between radiai adjustment block and probe gripping block will pop one's head in
It is pressed on the spring of detected bolt end face.
In the better embodiment of the present invention, the top of radiai adjustment block is equipped with a convex block, and the convex block, which stretches out, to be visited
At the top of head-shield；The top of the shell is equipped with the strip sliding slot parallel with radiai adjustment screw rod, and the convex block reaches strip
In shape sliding slot；The top end face of convex block is equipped with index line, and the edge of strip sliding slot is equipped with graduation mark.
In the better embodiment of the present invention, probe gripping block is up-small and down-big step type, is formed with shoulders,
The spring is set in the tight block top of probe clip and between shoulders and radiai adjustment block bottom.
In the better embodiment of the present invention, the electrical connection for ultrasonic inspection probe is equipped on probe cover and shell
What line passed through passes through slot.
The object of the present invention is achieved like this, using the detection method of the detection device, includes the following steps：
S1, the end face that the detection device is set to detected bolt, rotation rotating handle make three lock-screws simultaneously
It moves to detected bolt, and combines closely with the side of detected bolt；
S2, the radiai adjustment screw rod for adjusting probe clamping part make ultrasonic inspection probe be located at detected bolt end face suitable
Position；
S3, ultrasonic inspection probe, encoder are connected with detector；
Three display windows are set in S4, detector, and first display window is set as screw thread position detection of this side of bolt
It has been shown that, acoustic beam are set as sector scan pattern；Second display window is set as the detection display of bolt screw parts, acoustic beam setting
For sector scan pattern；Third display window is set as the detection display of bolt offside screw thread position, and acoustic beam is set as sector and sweeps
Look into pattern；
The probe clamping part of S5, the rotation detection device drive ultrasonic inspection probe along detected bolt end face circumference
Direction rotates, and is detected；
Detection data is stored after the completion of S6, detection.
From the above mentioned, the present invention uses three points centering principle, is clamped and is detected by three synchronization-moving lock-screws
Bolt makes to be detected bolt and the preferable concentricity of detection device holding, and keeps ultrasonic inspection probe tight by clamping part of popping one's head in
It is attached to detected bolt end face, the semi-automatic detection of bolt is realized, improves the reliability and repeatability of detection.The present invention is logical
Setting encoder is crossed, the full record of detection data is realized, establishes the correspondence of detection data and test position.The inspection of the present invention
Survey method uses while opening up three display windows, carries out circle rotation detection by rotation probe clamping part, realizes primary
Scanning can completely detect this side screw thread, screw parts and offside screw thread purpose.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1：For the monnolithic case figure of ultrasonic detection device of the present invention.
Fig. 2：For the sectional view of ultrasonic detection device of the present invention.
Fig. 3：For lock-screw linkage mechanism schematic diagram in the present invention.
Fig. 4：For the enlarged view at guide frame in the present invention.
Fig. 5：For the schematic diagram of encoder in the present invention.
Fig. 6：For encoder installation site enlarged diagram in the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair
Bright specific implementation mode.
As depicted in figs. 1 and 2, the present invention provides a kind of ultrasonic detection device 100 for bolt, ultrasonic wave inspections
It includes the bolt clamping part 10 for detected bolt 90 to be clamped and the probe for ultrasonic inspection probe a to be clamped to survey device 100
Clamping part 20；Probe clamping part 20 is located above bolt clamping part 10 and what can be relatively rotated between the two links together, and leads to
Crossing rotation probe clamping part 20 drives probe a rotations to complete detection operation to being detected 90 end of bolt.Bolt clamping part 10 wraps
A circular base plate 11 is included, 11 center of circular base plate has the through hole passed through for being detected bolt 90；Circular base plate 11 passes through
Hole hole wall is along the circumferential direction uniformly provided with three lock-screws 12, and three 12 equal levels of lock-screw are located in circular base plate 11 simultaneously
Can moving radially along circular base plate 11, one end of lock-screw 12 can extend into through hole, and circular base plate 11 is additionally provided with energy
Three lock-screws 12 are made to synchronize the lock-screw linkage mechanism moved radially；And then according to three points centering principle, pass through three
Synchronization-moving lock-screw 12, which clamps, is detected bolt 90, makes to be detected bolt 90 and detection device holding is preferably coaxial
Degree.Clamping part 20 of popping one's head in includes a hollow shell 21, and shell lower ending opening, open end is rotatably connected on circular base plate 11
Top；Opposite both sides are laterally worn there are one radiai adjustment screw rod 22 on shell 21,21 turns of radiai adjustment screw rod 22 and shell
Dynamic connection, shell 21 are internally provided with one and are threadedly coupled the radially adjusted screw rod axial movement of simultaneously energy with radiai adjustment screw rod 22
Probe clamp assemblies.Radial positions of the probe a on being detected bolt end face is adjusted by rotating radiai adjustment screw rod 22.It visits
Head clamping part 20 can adjust probe a and be detected the radial position of bolt end face, while the clamping probe a that can stablize, and gives and visit
Head a ensures the coupling of probe and bolt end face with certain pressure, and when roll-shell 21 drives probe a and detected bolt 90
Generate relative motion.
The present invention uses three points centering principle, is clamped by three synchronization-moving lock-screws and is detected bolts, make by
It detects bolt and detection device and keeps preferable concentricity, and it is tested so that ultrasonic inspection probe a is tightly attached to by clamping part of popping one's head in
Bolt end face is surveyed, the semi-automatic detection of bolt is realized, improves the reliability and repeatability of detection.
Further, it is additionally provided with an encoder in circular base plate 11, for recording probe in detected bolt end face circumference side
To position, by be arranged encoder, realize the full record of detection data, establish detection data it is corresponding with test position pass
System.Encoder is the prior art, and different encoders may be used, rotary encoder 30 is used in present embodiment.
Further, as shown in figure 3, lock-screw linkage mechanism includes rotating handle 13, worm gear sleeve 14, flexible axle 15 and snail
Bar 16；Worm gear sleeve 14 and worm screw 16 are three, are correspondingly arranged respectively with three 12 positions of lock-screw.Worm gear sleeve 14
Outside is worm gear, is internally threaded, and worm gear sleeve 14 is coaxially set in outside lock-screw 12 and connects with 12 screw thread of lock-screw
It connects, guide frame is equipped between lock-screw 12 and circular base plate 11, worm gear sleeve 14 is rotatably arranged in circular base plate 11；Snail
Bar 16 is engaged with the worm gear outside worm gear sleeve 14 respectively, is connected in series with from beginning to end successively by flexible axle 15 between three worm screws 16, both ends
Respectively two worm screws 16, centre are a worm screw 16, and three worm screws 16 can rotate synchronously under the linkage of flexible axle 15；Positioned at end
One worm screw 16 in portion is fixedly connected with a rotating handle 13, and one end of rotating handle 13 reaches outside circular base plate 11 for inspection
The operation by human hand of survey personnel.When needing to clamp detected bolt 90, three worm screws 16 are driven to synchronize by rotating rotating handle 13
Rotation, the three worm gear sleeves 14 engaged respectively with three worm screws 16 rotate synchronously, due to lock-screw 12 and circular base plate 11
Between be equipped with guide frame, make to produce relative rotation between lock-screw 12 and circular base plate 11, thus with worm gear sleeve
14 three lock-screws 12 being threadedly coupled are generated and are moved radially along synchronizing for circular base plate 11 due to the rotation of worm gear sleeve,
Three synchronization-moving lock-screws 12, which clamp, is detected bolt 90, makes to be detected bolt and detection device holding is preferably coaxial
Degree.
Further, as shown in figure 4, guide frame includes on the retainingf key 17 being arranged in circular base plate 11 and lock-screw 12
The guide groove 18 of setting, guide groove 18 are arranged along the axial direction of lock-screw 12, and retainingf key 17 is located in guide groove 18.The guiding knot
Structure is not limited to a kind of technical solution above, such as retainingf key can be arranged on lock-screw, and guide groove is arranged in circle
On chassis；Other similar structures can be used in the present invention.
Further, as shown in Fig. 2, circular base plate 11 is divided for top bottom-disc 111 and low bottom-disc 112, upper and lower chassis is stacked on top of each other
Together, the accommodating space for accommodating lock-screw linkage mechanism is provided between upper and lower chassis.Lead between worm screw 16 and flexible axle 15
Threaded connection is crossed, the string structure that worm screw 16 is formed with flexible axle 15 is circumferentially disposed in accommodating space；Rotating handle 13
Also it is to be threadedly coupled between worm screw 16.Circular base plate is divided into the easily fabricated dress with its inner components of bilevel structure
Match.
Further, on top bottom-disc 111 annular flange 1111 protruding upward is equipped with around the top edge of through hole；Probe
The open end of clamping part shell 21 is equipped with downwardly projecting annular convex platform 211, and annular convex platform 211 is fastened on outside annular flange 1111
Form rotation connection.
Further, as shown in fig. 6, circular base plate 11 is equipped with encoder storage tank, along being radially provided with for circular base plate 11
The top wire hole communicated with encoder storage tank；Present embodiment uses existing rotary encoder 30, as shown in figure 5, rotation
There are one rotating wheels 31 for 30 upper end of formula encoder tool.Rotary encoder 30 is arranged in encoder storage tank, is set in top wire hole
There is the jackscrew 32 for compressing rotary encoder, by adjusting jackscrew 32, the rotating wheel 31 of rotary encoder 30 is made closely to paste
It closes in 211 side of annular convex platform of probe clamping part shell 21, rotary encoder is avoided to shake, generate recording error.It is round
On chassis 11 can be equipped with for rotary encoder connecting line by fluting 113.The rotating wheel 31 of rotary encoder with
211 side of annular convex platform contact on the downside of shell, shell rotates when detection, and circular base plate 11 is fixed, and the rotating wheel is by ring
Shape boss side surfaces drive rotation, pass through the position for the arc length record probe a that rotating wheel rotates.
Further, as shown in Fig. 2, probe clamp assemblies include a probe cover 23, probe cover 23 is the hollow of lower ending opening
Shell, opposite sides are equipped with the through-hole passed through for radiai adjustment screw rod；It is corresponding with radiai adjustment screw rod 22 in probe cover 23
Position is equipped with radiai adjustment block 24, and radiai adjustment screw rod 22 passes through radiai adjustment block 24 and is threadedly coupled with it.By rotating diameter
To adjusting screw rod 22, make radiai adjustment block 24 that probe cover 23 be driven to be moved radially along the end face of detected bolt, according to detection need
Probe a is adjusted in place.In probe cover probe gripping block 25, probe are equipped with positioned at the lower part of radiai adjustment block 24
The lower end of gripping block 25 can clamp probe a, and the compression that will pop one's head in is equipped between radiai adjustment block 24 and probe gripping block 25
In the spring 26 for being detected bolt end face, so that spring 26 is generated certain pressure to probe a in vertical direction, ensure detection
When probe be adjacent to the end face of bolt to be detected.
Further, the top of radiai adjustment block 24 is equipped with a convex block 241, and convex block 241 stretches out 23 top of probe cover；Shell 21
Top be equipped with the strip sliding slot 212 parallel with radiai adjustment screw rod 22, convex block 241 reaches in strip sliding slot 212；It is convex
The top end face of block 241 is equipped with index line, and the edge of strip sliding slot 212 is equipped with graduation mark.It is indicated by index line on convex block
Graduation mark, it is known that probe a is located at the position for being detected radial direction on bolt end face.
Further, probe gripping block 25 is up-small and down-big step type, is formed with shoulders 251, spring 26 is set in spy
25 top of head clamping block and between 24 bottom of shoulders 251 and radiai adjustment block.It is equipped on probe cover and shell for super
What the electric connection line of sound detection probe a passed through passes through slot.
The present invention also provides a kind of detection method using above-mentioned bolt ultrasonic detection device, which uses existing
Some linear phase controlled array ultrasonic probe a can also use the probe of other forms, such as Single crystal probe.The detection method includes
Following steps：
S1, the end face that detection device 100 is set to detected bolt 90, rotation rotating handle 13 make three lock-screws 12
It moves to detected bolt, and combines closely with the side of detected bolt simultaneously；
S2, the radiai adjustment screw rod 22 for adjusting probe clamping part 20 make ultrasonic inspection probe a be located at and are detected bolt end face
Suitable position；
S3, ultrasonic inspection probe a, encoder 30 are connected with detector；
Three display windows are set in S4, detector, and first display window is set as screw thread position detection of this side of bolt
It has been shown that, acoustic beam are set as sector scan pattern；Second display window is set as the detection display of bolt screw parts, acoustic beam setting
For sector scan pattern；Third display window is set as the detection display of bolt offside screw thread position, and acoustic beam is set as sector and sweeps
Look into pattern；
The probe clamping part of S5, the rotation detection device, drive ultrasonic inspection probe a along detected bolt end face circumference
Direction rotates, and is detected；Encoder is contacted with the annular convex platform side of shell when rotation generates relative motion, is revolved by recording
The arc length turned records probe positions；
Detection data is stored after the completion of S6, detection.
In step sl, can a nut first be screwed on being detected bolt, is then fastened on three lock-screws
The side of the nut can preferably position detected bolt since nut lateral surface has plane.
The detection method can show the threaded portion signal of test side, one by windows display function, a window
A window shows that screw rod regional signal, a window show screw rod other end bolt head (or screw thread) region, can be by primary
The detection of entire bolt is realized in scanning.
From the above mentioned, the present invention uses three points centering principle, is clamped and is detected by three synchronization-moving lock-screws
Bolt makes to be detected bolt and the preferable concentricity of detection device holding, and keeps ultrasonic inspection probe tight by clamping part of popping one's head in
It is attached to detected bolt end face, the semi-automatic detection of bolt is realized, improves the reliability and repeatability of detection.The present invention is logical
Setting encoder is crossed, the full record of detection data is realized, establishes the correspondence of detection data and test position.The inspection of the present invention
Survey method uses while opening up three display windows, carries out circle rotation detection by rotation probe clamping part, realizes primary
Scanning can completely detect this side screw thread, screw parts and offside screw thread purpose.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification under the premise of not departing from design and the principle of the present invention,
The scope of protection of the invention should be belonged to.
Claims (11)
1. a kind of ultrasonic detection method for bolt uses ultrasonic detection device, it is characterised in that：The ultrasonic wave inspection
It includes the bolt clamping part for detected bolt to be clamped and the probe clamping part for ultrasonic inspection probe to be clamped to survey device；Institute
Stating probe, retaining part is above bolt clamping part and what can be relatively rotated between the two links together；The bolt clamping part
Including a circular base plate, the circular base plate center has the through hole passed through for being detected bolt；The through hole of circular base plate
Hole wall be along the circumferential direction uniformly provided with three lock-screws, the equal level of three lock-screws is located at circular base plate and can edge
Circular base plate moves radially, and then one end of lock-screw can be extend into through hole；Circular base plate, which is additionally provided with, can make three
Lock-screw synchronizes the lock-screw linkage mechanism moved radially；The probe clamping part includes a hollow shell, under shell
End opening, open end are rotatably connected on the top of circular base plate；Opposite both sides are laterally worn there are one diameter on the shell
To adjusting screw rod, radiai adjustment screw rod is connect with housing into rotation, and enclosure interior is set there are one being connect with radiai adjustment screw flight
And the probe clamp assemblies of the radially adjusted screw rod axial movement of energy；
The detection method includes the following steps：
S1, the end face that the detection device is set to detected bolt, rotation rotating handle make three lock-screws simultaneously to quilt
Bolt movement is detected, and is combined closely with the side of detected bolt；
S2, the radiai adjustment screw rod for adjusting probe clamping part make ultrasonic inspection probe be located at and are detected the suitable position in bolt end face
It sets；
S3, ultrasonic inspection probe, encoder are connected with detector；
Three display windows are set in S4, detector, first display window is set as screw thread position detection display of this side of bolt,
Acoustic beam is set as sector scan pattern；Second display window is set as the detection display of bolt screw parts, and acoustic beam is set as fanning
Shape scanning pattern；Third display window is set as the detection display of bolt offside screw thread position, and acoustic beam is set as sector scan mould
Formula；
The probe clamping part of S5, the rotation detection device drive ultrasonic inspection probe along detected bolt end face circumferencial direction
Rotation, is detected；
Detection data is stored after the completion of S6, detection.
2. being used for the ultrasonic detection method of bolt as described in claim 1, it is characterised in that：The lock-screw gear
Structure includes rotating handle, worm gear sleeve, flexible axle and worm screw；Worm gear sleeve and worm screw are three, respectively with three lock-screws
Position is correspondingly arranged；The outside of the worm gear sleeve is worm gear, is internally threaded, and worm gear sleeve coaxial sleeve is located at lock-screw
It is threadedly coupled outside and with lock-screw, guide frame is equipped between lock-screw and circular base plate, worm gear sleeve is rotatably arranged on
In circular base plate；Worm screw engages with the worm gear outside worm gear sleeve respectively, and simultaneously energy is sequentially connected in series by flexible axle between three worm screws
It rotates synchronously；A worm screw positioned at end is fixedly connected with a rotating handle, and the rotating handle reaches outside circular base plate
Portion.
3. being used for the ultrasonic detection method of bolt as claimed in claim 2, it is characterised in that：The guide frame includes circle
The guide groove being arranged on the retainingf key and lock-screw being arranged on shape chassis, the guide groove are arranged along the axial direction of lock-screw,
The retainingf key is located in guide groove.
4. being used for the ultrasonic detection method of bolt as claimed in claim 3, it is characterised in that：The circular base plate is divided into
Chassis and low bottom-disc, upper and lower chassis is stacked on top of each other together, is provided between upper and lower chassis and accommodates the lock-screw linkage
The accommodating space of mechanism；It is connected through a screw thread between the worm screw and flexible axle, flexible axle is circumferentially disposed in accommodating space；
It is to be threadedly coupled between rotating handle and worm screw.
5. being used for the ultrasonic detection method of bolt as claimed in claim 4, it is characterised in that：Around logical on the top bottom-disc
The top edge of via is equipped with annular flange protruding upward；The open end of probe clamping part shell is equipped with downwardly projecting annular
Boss, the annular convex platform are fastened on outside annular flange and form rotation connection.
6. being used for the ultrasonic detection method of bolt as claimed in claim 5, it is characterised in that：The circular base plate is equipped with
Encoder storage tank is radially provided with the top wire hole communicated with encoder storage tank along circular base plate；One rotary encoder is set
It sets in encoder storage tank, the jackscrew for compressing rotary encoder is equipped in top wire hole, makes the rotation of rotary encoder
Wheel is fitted tightly over the annular convex platform side of probe clamping part shell.
7. being used for the ultrasonic detection method of bolt as described in claim 1, it is characterised in that：One is additionally provided in circular base plate
Encoder.
8. the ultrasonic detection method as described in claim 1 or 6 for bolt, it is characterised in that：The probe clamping group
Part includes a probe cover, and the probe cover is the hollow housing of lower ending opening, and opposite sides is equipped with and is worn for radiai adjustment screw rod
The through-hole crossed；Position corresponding with radiai adjustment screw rod is equipped with radiai adjustment block, the radiai adjustment screw rod in the probe cover
It is threadedly coupled across radiai adjustment block and with it；It is equipped with probe gripping block positioned at the lower part of radiai adjustment block in probe cover, in diameter
It is pressed on the spring of detected bolt end face to being equipped with to pop one's head between adjusting block and probe gripping block.
9. being used for the ultrasonic detection method of bolt as claimed in claim 8, it is characterised in that：The top of the radiai adjustment block
End is equipped with a convex block, and the convex block stretches out at the top of probe cover；The top of the shell is equipped with the length parallel with radiai adjustment screw rod
Bar shaped sliding slot, the convex block reach in strip sliding slot；The top end face of convex block is equipped with index line, and the edge of strip sliding slot is set
There is graduation mark.
10. being used for the ultrasonic detection method of bolt as claimed in claim 9, it is characterised in that：The probe gripping block is
Up-small and down-big step type, is formed with shoulders, and the spring is set in the tight block top of probe clip and is located at shoulders and radial direction
Between adjusting block bottom.
11. being used for the ultrasonic detection method of bolt as claimed in claim 10, it is characterised in that：The probe cover and shell
On be equipped with and pass through slot for what the electric connection line of ultrasonic inspection probe passed through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713832.8A CN105717193B (en) | 2014-12-01 | 2014-12-01 | A kind of ultrasonic detection method for bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713832.8A CN105717193B (en) | 2014-12-01 | 2014-12-01 | A kind of ultrasonic detection method for bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105717193A CN105717193A (en) | 2016-06-29 |
| CN105717193B true CN105717193B (en) | 2018-08-03 |
Family
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| CN108931579B (en) * | 2018-05-24 | 2024-07-19 | 武汉中科创新技术股份有限公司 | Portable ultrasonic guided wave phased array bolt detection system |
| CN109100425A (en) * | 2018-09-05 | 2018-12-28 | 中国电建集团山东电力建设第工程有限公司 | A kind of bolt ultrasound examination scanning equipment |
| CN110118825A (en) * | 2019-06-05 | 2019-08-13 | 江苏方天电力技术有限公司 | A kind of bolt ultrasonic detection method and device |
| CN112067694B (en) * | 2020-09-22 | 2023-04-28 | 江苏方天电力技术有限公司 | Ultrasonic detection scanning device for bolts |
| CN114671194A (en) * | 2022-04-22 | 2022-06-28 | 武汉逸飞激光股份有限公司 | Battery walking device |
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| CN204214814U (en) * | 2014-12-01 | 2015-03-18 | 国家电网公司 | A kind of ultrasonic detection device for bolt |
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| JP4725331B2 (en) * | 2005-03-31 | 2011-07-13 | Ｊｆｅスチール株式会社 | Probe for ultrasonic testing of welded steel pipes with spiral ribs |
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| CN202814933U (en) * | 2012-04-24 | 2013-03-20 | 内蒙古北方重工业集团有限公司 | Multi-channel probe rack for ultrasonic and automatic thick-walled pipe detection system |
| CN202837248U (en) * | 2012-08-01 | 2013-03-27 | 中国石油天然气集团公司 | Searching unit of oil and gas pipeline crack detector |
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| CN204214814U (en) * | 2014-12-01 | 2015-03-18 | 国家电网公司 | A kind of ultrasonic detection device for bolt |
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