CN204479525U - A kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal - Google Patents
A kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal Download PDFInfo
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- CN204479525U CN204479525U CN201420819685.8U CN201420819685U CN204479525U CN 204479525 U CN204479525 U CN 204479525U CN 201420819685 U CN201420819685 U CN 201420819685U CN 204479525 U CN204479525 U CN 204479525U
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- support baseboard
- clamp device
- acoustic emission
- pedestal
- thrust bolt
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Abstract
The utility model relates to a kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal, mainly comprises pedestal, clamp device, support baseboard, bracing frame and thrust bolt.Clamp device is arranged on the slotted eye of pedestal, is fastened by pencil holder by the clamping ring on it; Bracing frame is arranged on support baseboard, and each bracing frame must align with corresponding clamp device; Thrust bolt is arranged on pedestal by threaded hole, rotary thrust bolt is until bolt head stretches out from opposite side, now thrust bolt head is aimed in the hole installed on the support baseboard of bracing frame, thrust bolt head is made to stretch in the hole of support baseboard, being rotated further thrust bolt then can make support baseboard rise, pencil is fractureed, and obtains multi-source acoustic emission simulating signal.The utility model simulated sound can launch source signal in experiment for non-destructive testing experiment, overcomes the large and single source of the existing manually disconnected plumbous randomness plumbous device that breaks and is difficult to the deficiencies such as simulation source signal, have the advantages such as structure is simple, easy to operate.
Description
Technical field
The utility model relates to field of non destructive testing, is specifically related to a kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal in acoustic emission experiment for non-destructive testing experiment.
Background technology
Acoustic emission Non-Destructive Testing is a kind of Dynamic Non-Destruction Measurement technology, be developed rapidly in recent years, but still there is many problems, as when there is multiple defect in detected parts inside, how by the process of signal is set up defect and sensor collect relation between signal, thus defect to be evaluated etc.Address these problems and all need to do a large amount of experiments in laboratory in advance, and the generation of true acoustic emission signal, first need artificial manufacturing defect in measurand, then inspire acoustic emission signal by extraneous loading, the method process is loaded down with trivial details and workload is large.Specify according to GB/T18182-2012: in general experiment, acoustic emission signal is all simulated by the pencil-lead that fractures to produce, and be all mostly free-hand to be fractureed by pencil-lead or disconnected plumbous by single source plumbery that breaks at present; Manually during disconnected lead, the size that the angle between pencil and tested component and the pencil that fractures are exerted oneself all is difficult to control, and randomness is very large, and repeatability and the comparability of signal are poor; The single-point plumbery that breaks can only be simulated and produced single source acoustic emission signal, cannot simulate multiple acoustic emission simulating signal simultaneously.Therefore need badly and a kind ofly comparatively can stablize the pencil-lead breaking device fractureing pencil and can produce multiple source acoustic emission simulating signal.
Summary of the invention
It is relatively stable that the purpose of this utility model is to provide one, and repeatability is high, and the acoustic emission experiment for non-destructive testing experiment that simultaneously can produce multiple acoustic emission simulating signal breaks plumbous device.
The utility model adopts following technical scheme: a kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal, comprises pedestal, clamp device, support baseboard, bracing frame and thrust bolt; Wherein clamp device and thrust bolt are directly installed on pedestal, and bracing frame is arranged on support baseboard, and support baseboard is connected with thrust bolt passing hole, and namely thrust bolt front end is stretched in the hole of support baseboard.First clamp device is utilized to be fastened by pencil holder during operation, the position of adjustment bracing frame makes itself and clamp device align, now thrust bolt is screwed in the threaded hole of pedestal until expose from opposite side, support baseboard is installed on thrust bolt, being rotated further thrust bolt makes support baseboard rise, pencil is fractureed simultaneously, obtains the acoustic emission signal of testing required simulation.
Angle between described pedestal swash plate and horizonal base plate is 30 degree, consistent with specifying disconnected plumbous angle in GB/T18182-2012; Pedestal swash plate has threaded hole to coordinate with thrust bolt, pedestal swash plate has slotted eye, be convenient to clamp device and the distance flexibly between adjustment clamp device are installed.
Described clamp device is by pad and be bolted on the horizontal slotted hole of pedestal swash plate, the number of clamp device is determined according to the number of source signal required in acoustic emission experiment for non-destructive testing experiment, acoustic emission simulation signal generator spacing experimentally designed by scheme of the installing space of each clamp device and determining.
Describedly should make pencil and matrix inclined-plane keeping parallelism when clamping pencil, the pencil-lead length of stretching out is 2.5mm and good with detected object surface contact, now by the bolt tightened on clamp device, pencil is clamped and fixes.
Described support baseboard has two slotted eyes, bracing frame is arranged on support baseboard by pad and bolt, quantity and the clamp device of bracing frame are consistent, and must align with corresponding clamp device and align in the position of bracing frame, to ensure that branched pencil can be fractureed simultaneously.
There is a unthreaded hole reverse side middle part that described support baseboard installs bracing frame, the head of thrust bolt stretches in this hole, to ensure when rotating bolt, along with the continuous rising of bolt, bolt can promote support baseboard and steadily rise and do not swing, thus promote end of pencil rising by the rising of bracing frame, the pencil be fixed on clamp device is fractureed simultaneously.
The clamping ring of described clamp device upper end clamping pencil is connected by sheet metal with between bottom gasket, elastic deformation can occur, to ensure to be fractureed by pencil-lead under the prerequisite not damaging pencil when being squeezed and drawing high.
A kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal of the utility model can provide multi-source, stable acoustic emission simulating signal for acoustic emission experiment for non-destructive testing experiment, compensate for large, the repeatable difference of existing free-hand disconnected plumbous randomness and uses single source plumbery that breaks cannot simulate the deficiencies such as multi-source acoustic emission signal; Also there is the plurality of advantages such as structure is simple, easy to operate simultaneously, be easy to apply at acoustic emission field of non destructive testing.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is base construction schematic diagram.
Fig. 3 is clamp device structural representation.
Fig. 4 is support baseboard structural representation.
Fig. 5 is support frame structure schematic diagram.
Fig. 6 support assemblies body structure schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Figure 1, a kind of disconnected plumbous device for multi-source acoustic emission simulating signal of the utility model, comprises pedestal 1, clamp device 2, support baseboard 3, bracing frame 4 and thrust bolt 5; Wherein clamp device 2 and thrust bolt 5 are directly installed on the swash plate of pedestal 1, and bracing frame 4 is arranged on support baseboard 3, and support baseboard 3 and thrust bolt 5 are then that passing hole is connected, and namely the front end of thrust bolt 5 is stretched in the hole of support baseboard 3.When using this device, first empirically need clamp device 2 to be arranged on the swash plate of pedestal 1, pencil holder fastens by the clamping ring then experiment pencil being put into clamp device 2; Next is arranged on support baseboard 3 according to the installation site of clamp device 3 by bracing frame 4; Finally thrust bolt 5 is screwed in the threaded hole on pedestal 1 swash plate, when the upper end of thrust bolt 5 is exposed from swash plate opposite side, thrust bolt 5 extension is aimed in the hole installed on support baseboard 3; Now rotating thrust bolt 5 makes support baseboard 3 steadily rise, and pencil-lead is fractureed simultaneously, obtains the acoustic emission signal of testing required simulation.
Angle as indicated with 2 between the swash plate of pedestal 1 and horizonal base plate is 30 degree, consistent with specifying disconnected plumbous angle in GB/T18182-2012; Pedestal 1 swash plate has threaded hole coordinate with thrust bolt 5, pedestal 1 swash plate has groove, be convenient to clamp device is installed and adjusts the mutual distance of clamp device flexibly.
Clamp device 2 is by pad and is bolted on the horizontal slotted hole of pedestal 1 swash plate as shown in Figure 3, the number of clamp device 2 is determined according to the number of source signal required in acoustic emission experiment for non-destructive testing experiment, and the spacing of each simulated sound transmiting signal source of the distance between each clamp device experimentally designed by scheme is determined; Clamp device 2, when clamping pencil, should make pencil parallel with matrix 1 inclined-plane, the pencil-lead length of stretching out be 2.5mm and must with detected object surface contact, now by regulating the bolt on clamp device 2 to make, pencil is clamped fixes.
The clamping ring of described clamp device 2 upper end clamping pencil with between bottom gasket for sheet metal is connected, can elastic deformation be there is when being squeezed, to ensure to be fractureed by the pen core of pencil under the prerequisite not damaging pencil.
As shown in Figure 4 support baseboard 3 has two slotted eyes, bracing frame 4 is arranged on support baseboard 3 by pad and bolt, quantity and the clamp device 2 of bracing frame 4 are consistent, and the position of bracing frame 4 must align with corresponding clamp device 3, to ensure that branched pencil can be fractureed simultaneously; There is a unthreaded hole reverse side middle part that support baseboard 3 installs bracing frame 4, the head of thrust bolt 5 stretches in this hole, to ensure when rotating thrust bolt 5, along with the continuous rising of thrust bolt 5, support baseboard 3 can be promoted steadily rise and do not swing, thus promote the rising of end of pencil rising promotion end of pencil by the rising of bracing frame 4, the pen core of the pencil be fixed on clamp device 2 is fractureed simultaneously.
Claims (4)
1. the disconnected plumbous device for generation of multi-source acoustic emission simulating signal, comprise pedestal (1), clamp device (2), support baseboard (3), bracing frame (4) and thrust bolt (5), it is characterized in that: described clamp device (2) is arranged on the slotted eye of pedestal (1), support frame as described above (4) is arranged on support baseboard (3), described thrust bolt (5) is arranged on by threaded hole on the swash plate of pedestal (1), rotates bolt head must be made to expose from plate opposite side during installation; Described support baseboard (3) is connected with thrust bolt (5) passing hole, and namely thrust bolt (5) front end is stretched in the hole of support baseboard (3).
2. a kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal according to claim 1, is characterized in that the angle between the horizonal base plate of pedestal (1) and swash plate is 30 degree; Swash plate is opened a horizontal slotted hole, clamp device (2) is by pad and be bolted on the horizontal slotted hole of pedestal (1) swash plate, the number of clamp device (2) is determined according to the sound emission source signal number of simulation required in acoustic emission experiment for non-destructive testing experiment, and the distance between clamp device is consistent with the spacing of required multi-source acoustic emission simulating signal in experiment.
3. a kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal according to claim 1, it is characterized in that the upper symmetry of support baseboard (3) opens two slotted eyes, bracing frame (4) is arranged on support baseboard (3) by pad and bolt, the quantity of bracing frame (4) is consistent with the quantity of clamp device (2), and the position of bracing frame must align with the clamp device corresponding to it.
4. a kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal according to claim 1, it is characterized in that thrust bolt (5) is arranged on pedestal (1) swash plate, therebetween for being threaded, and the top of thrust bolt (5) is stretched in the hole of support baseboard (3), the hole on support baseboard (3) is unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819685.8U CN204479525U (en) | 2014-12-23 | 2014-12-23 | A kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819685.8U CN204479525U (en) | 2014-12-23 | 2014-12-23 | A kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479525U true CN204479525U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420819685.8U Expired - Fee Related CN204479525U (en) | 2014-12-23 | 2014-12-23 | A kind of disconnected plumbous device for generation of multi-source acoustic emission simulating signal |
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| Country | Link |
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| CN (1) | CN204479525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483390A (en) * | 2014-12-23 | 2015-04-01 | 长沙理工大学 | Pencil breaking device for producing multisource acoustic-emission analog signals |
-
2014
- 2014-12-23 CN CN201420819685.8U patent/CN204479525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483390A (en) * | 2014-12-23 | 2015-04-01 | 长沙理工大学 | Pencil breaking device for producing multisource acoustic-emission analog signals |
| CN104483390B (en) * | 2014-12-23 | 2017-05-03 | 长沙理工大学 | Pencil breaking device for producing multisource acoustic-emission analog signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20171223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |