CN209280177U - A kind of clamping device of closed ultrasonic measurement bolt - Google Patents
A kind of clamping device of closed ultrasonic measurement bolt Download PDFInfo
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- CN209280177U CN209280177U CN201822097560.XU CN201822097560U CN209280177U CN 209280177 U CN209280177 U CN 209280177U CN 201822097560 U CN201822097560 U CN 201822097560U CN 209280177 U CN209280177 U CN 209280177U
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
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Abstract
The utility model discloses a kind of clamping devices of closed ultrasonic measurement bolt, the device includes ultrasonic probe, the device further includes having mounting shell to hold down assembly with probe, probe holds down assembly to be placed in mounting shell with ultrasonic probe, probe is provided with fixing end and movable end in holding down assembly, fixing end and movable end telescopic connection, fixing end are fixedly connected on the side wall of mounting shell, ultrasonic probe and movable end detachable connection；When bolt detachable connection when on mounting shell, ultrasonic probe compresses external bolt to be measured for outside.Compared with the prior art, the present apparatus uses skeletonisation structure type, ultrasonic probe is placed in mounting shell, and probe is set and is held down assembly, after the completion of guaranteeing external bolt clamping to be measured, bolt to be measured outside ultrasonic probe automatic impaction, whole device not only can in measurement process stress as a whole, also integral disassembly, assembly, stable structure the efficiency of measurement experiment can be substantially increased after completing measurement.
Description
Technical field
The utility model belongs to sensor manufacturing field, in particular to a kind of clamping dress of closed ultrasonic measurement bolt
It sets.
Background technique
Bolt is widely applied as a kind of connecting component simple in construction, easy to disassemble and assemble in industrial application.
In actual use, the common invalidation of bolt mainly has: by dead load bolt failed mostly threaded portion modeling
Property deformation or bolt abruption；By varying load bolt failed mostly bolt fatigue fracture；By the articulation hole spiral shell of transverse load
Bolt connection, failure mode are mainly that shank of bolt is cut, and tightening latch or connected compcnent hole contact surface are squeezed and destroyed；If screw thread is smart
Low or connection is spent to assemble and disassemble often, it is likely that slide fastener phenomenon occurs, and among these, by dead load bolt because axial pre tightening force it is not proper
The nut caused by loosens or bolt fracture is the most common bolt failure form, and the size of bolt axial pre tightening force depends on
In being applied to the stress and torque for being bolted place.For the bolt fastener on steel construction, for the safety for guaranteeing structure
Property and reliability, it is necessary to which the pretightning force of strict control bolt connection piece is also needed when necessary to the working stress shape in in-service bolt
State is monitored.In the prior art, for the stress of the bolt of unlike material, there are many test methods, connect for testing bolt
Stress or torque when connecing.In the prior art, commonly the method for test torque and stress includes: torque wrench method,
Foil gauge method of testing, photorefraetive crystal, mistor sensor method and ultrasonic wave stress mornitoring method.
Ultrasonic wave stress mornitoring method as the novel stress mornitoring method developed rapidly in recent years, because its have to human body without
Evil, feature not damaged to measured object, measuring speed is fast, are applied in more and more industrial occasions.It is visited using ultrasonic wave
When head detects bolt stress, since ultrasonic wave is not identical in the spread speed of unlike material, the bolt of different-diameter, for same
The external bolt to be measured of kind, measures the process of its stress often along with the relationship of bolt stress and external load using ultrasonic probe
Calibration process, for simultaneously realize ultrasonic measurement stress and demarcate ultrasonic probe task, need to by ultrasonic probe with outside
After bolt to be measured is close to, changes torque load of the load on external bolt to be measured, measure the axis of the bolt under the torque load
The sound time difference that power and ultrasonic wave are propagated in bolt obtains stress of the bolt under this torque load by the sound time difference, passes through
Computer fitting stress curve and axle power curve complete ultrasonic probe stress and axle power in the bolt of the material and diameter
Relationship calibration.After the calibration for completing ultrasonic probe, ultrasonic probe need to be changed from measuring device, survey crew is available
The in-service axle power situation of the ultrasonic probe test industry spot of completion calibration, and then judge its working condition.But it is existing
In measuring device, the installation and removal of ultrasonic probe are all extremely inconvenient, this largely reduces ultrasonic measurement spiral shell
The efficiency of bolt stress.
Summary of the invention
To solve the above problems, ultrasonic probe independent packaging is become envelope the purpose of this utility model is to provide a kind of
Closed type structure and facilitate external bolt clamping to be measured closed ultrasonic measurement bolt clamping device.
Another of the utility model is designed to provide a kind of clamping device of closed ultrasonic measurement bolt, the dress
Stable structure is set, measurement is convenient, largely improves the efficiency of bolt measurement experiment.
To achieve the above object, the technical solution of the utility model is as follows:
The utility model provides a kind of clamping device of closed ultrasonic measurement bolt, which includes that ultrasonic wave is visited
Head, the device further include having mounting shell to hold down assembly with probe, and probe holds down assembly to be placed in mounting shell with ultrasonic probe,
Probe is provided with fixing end and movable end, fixing end and movable end telescopic connection in holding down assembly, and fixing end is fixedly connected
On the side wall of mounting shell, ultrasonic probe and movable end detachable connection；It is being installed to bolt detachable connection outside
When on shell, ultrasonic probe compresses external bolt to be measured.
Bolt measuring device provided by the utility model in measurement process, survey crew can first ultrasonic probe push open and allow
Bolt installation space out, then by external bolt clamping to be measured on mounting shell keeps the head of bolt inwardly, screw portion to
The clamping that external bolt and ultrasonic probe to be measured can be completed is stretched out outside mounting shell.
Mounting shell includes shell and mounting plate, and the mounting plate is arranged in shell, and the mounting plate and shell can
It is detachably connected with, the bolt being adapted to external bolt to be measured is offered on mounting plate and stretches out hole, the diameter that bolt stretches out hole is greater than
The diameter of screw rod in external bolt to be measured, while being less than the diameter on head in external bolt to be measured；When external bolt clamping to be measured,
Its screw rod passes through bolt and stretches out hole stretching.
Bolt mounting groove is offered on the side wall of shell；After external bolt to be measured is stretched out from bolt stretching hole, mounting plate patch
It closes housing sidewall to be mounted on shell, in the screw rod stud bolt mounting groove of external bolt to be measured.Measure the experiment of bolt stress
In the multiple groups bolt that need to often measure, therefore in laboratory, survey crew can be arranged multi-disc according to different bolt specification sizes and pacify
Loading board, it is after upper one group of bolt completes measurement, upper one group of progress is real in advance by outside after bolt installation installation on a mounting board
The bolt tested is changed together together with mounting plate, i.e., replaceable part to be measured.While entirely replacement process is simple and convenient, measuring device
The ability of compatible different size part to be measured is also greatly improved.
Force snesor adjustment hole is also provided on shell, force snesor adjustment hole is provided with the side for being provided with bolt mounting groove
On the opposite side side wall of wall, force snesor adjustment hole with external the adjusting rod of force snesor is corresponding opens up.Force snesor is arranged to adjust
Hole facilitates the present apparatus to connect with external force snesor.
It includes holddown spring and probe gripper that probe, which holds down assembly, and one end of holddown spring is fixed in housing sidewall,
The other end of holddown spring is fixed in probe gripper, ultrasonic probe and probe gripper detachable connection.The present apparatus is filling
Ultrasonic probe is mounted in probe gripper by timing, survey crew, then probe gripper is pushed open and concedes bolt clamping space, pressure
Tight spring stores power by compression, looses one's grip after the completion of external bolt clamping to be measured, and holddown spring pop-up pushes back ultrasonic probe automatically
External bolt to be measured is compressed, whole process is convenient and efficient.In measurement process, due to being provided with holddown spring, then ultrasonic wave is visited
Stable pressing force is kept between head and external bolt to be measured, the coupled relation of the two is constant, ensure that the continuity of measurement.
It further includes having compression guide rod that probe, which holds down assembly, and the one end for compressing guide rod is fixedly connected with the side wall of shell, is compressed
The other end of guide rod stretches out, and probe gripper, which is socketed in, to be compressed on guide rod, and probe gripper is slidably connected with guide rod is compressed；Compress bullet
Spring is placed between probe gripper and the side wall of shell, and holddown spring is also set in and compresses on guide rod.Setting compresses guide rod, and presses
Tight spring and probe gripper cover on compressing guide rod, it is ensured that and ultrasonic probe compresses external bolt to be measured along definitive orbit,
It prevents from ultrasonic probe to be compacted spring bullet to take off, improves the stability of device.
The advantage of the utility model is: compared with the prior art, the present apparatus uses skeletonisation structure type, will be ultrasonic
Wave probe is placed in mounting shell, and probe is arranged and holds down assembly, and after the completion of guaranteeing external bolt clamping to be measured, ultrasonic probe is certainly
The tight external bolt to be measured of dynamic pressure, whole device not only can in measurement process stress as a whole, can also be whole after completing measurement
Body dismounting, stable structure substantially increase the efficiency of measurement experiment.
Detailed description of the invention
Top view when Fig. 1 is the clamping device clamping outer bolt A of the utility model closed ultrasonic measurement bolt.
Fig. 2 is the concrete structure schematic diagram of shell in the clamping device of the utility model closed ultrasonic measurement bolt.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
To achieve the above object, the technical solution of the utility model is as follows:
Referring to shown in Fig. 1-2, the utility model provides a kind of clamping device of closed ultrasonic measurement bolt, the device
It include ultrasonic probe, which further includes having mounting shell to hold down assembly with probe, and probe holds down assembly and ultrasonic probe
It is placed in mounting shell, pops one's head in and be provided with fixing end and movable end, fixing end and movable end telescopic connection in holding down assembly,
Fixing end is fixedly connected on the side wall of mounting shell, ultrasonic probe and movable end detachable connection；Outside is removable to bolt
When the formula of unloading is connected on mounting shell, ultrasonic probe compresses external bolt to be measured.
Bolt measuring device provided by the utility model in measurement process, survey crew can first ultrasonic probe push open and allow
Bolt installation space out, then by external bolt clamping to be measured on mounting shell keeps the head of bolt inwardly, screw portion to
The clamping that external bolt and ultrasonic probe to be measured can be completed is stretched out outside mounting shell.
Mounting shell 2 includes shell 21 and mounting plate 22, and mounting plate 22 is arranged in shell 21, and mounting plate 22 and shell
21 detachable connections, bolt stretching hole (not shown) be adapted to external bolt to be measured is offered on mounting plate 22, and bolt is stretched
The diameter to portal is greater than the diameter of screw rod in external bolt to be measured, while being less than the diameter on head in external bolt to be measured；It is external
When bolt clamping to be measured, screw rod passes through bolt and stretches out hole stretching.
Bolt mounting groove 211 is offered on the side wall of shell 21；After external bolt to be measured is stretched out from bolt stretching hole, installation
Plate 22 is bonded 21 side wall of shell and is mounted on shell 21, in the screw rod stud bolt mounting groove 211 of external bolt to be measured.Measure spiral shell
The multiple groups bolt that need to be often measured in the experiment of bolt stress, therefore in laboratory, survey crew can be according to different bolt specification rulers
Very little setting multi-disc mounting plate 22, in advance by outside after bolt is mounted on mounting plate 22, upper one group of bolt completes measurement
Afterwards, upper one group of bolt tested is changed together together with mounting plate 22, i.e., replaceable part to be measured.Entire replacement process is simple
While convenience, the ability of the compatible different size part to be measured of measuring device is also greatly improved.
Force snesor adjustment hole 212 is also provided on shell 21, force snesor adjustment hole 212, which is provided with, is provided with bolt peace
On the opposite side side wall of the side wall of tankage 211, force snesor adjustment hole 212 with external the adjusting rod of force snesor is corresponding opens up.If
Setting force snesor adjustment hole 212 facilitates the present apparatus to connect with external force snesor.
It 3 includes holddown spring 31 and probe gripper 32 that probe, which holds down assembly, and one end of holddown spring 31 is fixed on shell
On 21 side walls, the other end of holddown spring is fixed in probe gripper 32, ultrasonic probe 1 and the detachable company of probe gripper 32
It connects.In assembly, ultrasonic probe 1 is mounted in probe gripper 32 present apparatus by survey crew, then probe gripper 32 is pushed open
Bolt clamping space is conceded, holddown spring 31 stores power by compression, looses one's grip after the completion of external bolt clamping to be measured, 31 bullet of holddown spring
Out, ultrasonic probe 1 is pushed back into automatic impaction outside bolt to be measured, whole process is convenient and efficient.In measurement process, due to setting
Holddown spring 31 has been set, then has kept stable pressing force, the coupled relation of the two between ultrasonic probe 1 and external bolt to be measured
It is constant, it ensure that the continuity of measurement.
It 3 further includes having to compress guide rod 33 that probe, which holds down assembly, and the side wall of one end and shell 21 for compressing guide rod 33 is fixed to be connected
It connects, the other end for compressing guide rod 33 stretches out, and probe gripper 32, which is socketed in, to be compressed on guide rod 33, and probe gripper 32 and compression guide rod
33 are slidably connected；Holddown spring 31 is placed between probe gripper 32 and the side wall of shell 21, and holddown spring 31 is also set in pressure
On tight guide rod 33.Setting compresses guide rod 33, and holddown spring 31 and probe gripper 32 cover on compressing guide rod 33, it is ensured that super
Sonic probe 1 compresses external bolt to be measured along definitive orbit, prevents ultrasonic probe 1 to be compacted 31 bullet of spring and takes off, improves device
Stability.
The advantage of the utility model is: compared with the prior art, the present apparatus uses skeletonisation structure type, will be ultrasonic
Wave probe is placed in mounting shell, and probe is arranged and holds down assembly, and after the completion of guaranteeing external bolt clamping to be measured, ultrasonic probe is certainly
The tight external bolt to be measured of dynamic pressure, whole device not only can in measurement process stress as a whole, can also be whole after completing measurement
Body dismounting, stable structure substantially increase the efficiency of measurement experiment.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (6)
1. a kind of clamping device of closed ultrasonic measurement bolt, which includes ultrasonic probe, which is characterized in that should
Device further includes having mounting shell to hold down assembly with probe, and the probe holds down assembly to be placed in mounting shell with ultrasonic probe,
The probe is provided with fixing end and movable end, the fixing end and movable end telescopic connection in holding down assembly, described solid
Fixed end is fixedly connected on the side wall of mounting shell, the ultrasonic probe and movable end detachable connection；It outside can to bolt
It is detachably connected with when on mounting shell, the ultrasonic probe compresses external bolt to be measured.
2. the clamping device of closed ultrasonic measurement bolt as described in claim 1, which is characterized in that the mounting shell packet
Shell and mounting plate are included, the mounting plate is arranged in shell, and the mounting plate and shell detachable connection, the peace
The bolt being adapted to external bolt to be measured is offered in loading board and stretches out hole, and the diameter that the bolt stretches out hole is greater than external spiral shell to be measured
The diameter of screw rod in bolt, while being less than the diameter on head in external bolt to be measured；When external bolt clamping to be measured, screw rod is passed through
Bolt stretches out hole and stretches out.
3. the clamping device of closed ultrasonic measurement bolt as claimed in claim 2, which is characterized in that the side of the shell
Bolt mounting groove is offered on wall；After external bolt to be measured is stretched out from bolt stretching hole, mounting plate fitting housing sidewall is mounted on
On shell, in the screw rod stud bolt mounting groove of external bolt to be measured.
4. the clamping device of closed ultrasonic measurement bolt as claimed in claim 3, which is characterized in that on the shell also
Force sensor adjustment hole is opened up, the force snesor adjustment hole is provided with the opposite side side wall for being provided with the side wall of bolt mounting groove
On, the force snesor adjustment hole with external the adjusting rod of force snesor is corresponding opens up.
5. the clamping device of closed ultrasonic measurement bolt as claimed in claim 4, which is characterized in that the probe compresses
Component includes holddown spring and probe gripper, and one end of the holddown spring is fixed in housing sidewall, the holddown spring
The other end be fixed in probe gripper, the ultrasonic probe and probe gripper detachable connection.
6. the clamping device of closed ultrasonic measurement bolt as claimed in claim 5, which is characterized in that the probe compresses
Component further includes having compression guide rod, and described one end for compressing guide rod is fixedly connected with the side wall of shell, described to compress the another of guide rod
One end is stretched out, and the probe gripper, which is socketed in, to be compressed on guide rod, and the probe gripper is slidably connected with guide rod is compressed；The pressure
Tight spring is placed between probe gripper and the side wall of shell, and the holddown spring is also set in and compresses on guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097560.XU CN209280177U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping device of closed ultrasonic measurement bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097560.XU CN209280177U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping device of closed ultrasonic measurement bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280177U true CN209280177U (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822097560.XU Active CN209280177U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping device of closed ultrasonic measurement bolt |
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| Country | Link |
|---|---|
| CN (1) | CN209280177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067694A (en) * | 2020-09-22 | 2020-12-11 | 江苏方天电力技术有限公司 | Bolt ultrasonic detection scanning device |
-
2018
- 2018-12-13 CN CN201822097560.XU patent/CN209280177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067694A (en) * | 2020-09-22 | 2020-12-11 | 江苏方天电力技术有限公司 | Bolt ultrasonic detection scanning device |
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