CN207935234U - One kind is for Hopkinson pressure bar and strain gauge adhesion positioning device - Google Patents
One kind is for Hopkinson pressure bar and strain gauge adhesion positioning device Download PDFInfo
- Publication number
- CN207935234U CN207935234U CN201820204505.3U CN201820204505U CN207935234U CN 207935234 U CN207935234 U CN 207935234U CN 201820204505 U CN201820204505 U CN 201820204505U CN 207935234 U CN207935234 U CN 207935234U
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- Prior art keywords
- lug
- workbench
- hole
- longitudinal direction
- transverse holes
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Links
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010665 pine oil Substances 0.000 claims abstract description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 239000011888 foil Substances 0.000 abstract description 13
- 239000000523 sample Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses one kind for Hopkinson pressure bar and strain gauge adhesion positioning device, including bearing, main support, locating rod, positioning element and workbench.The main support includes transverse part, left and right lug, and transverse part can slide up and down the perpendicular seat for being connected to bearing, the first transverse holes are all offered on left and right lug, first longitudinal direction hole is further opened on right lug.The locating rod can turn through the first transverse holes of left and right lug, and second longitudinal direction hole is additionally provided in locating rod, and compression bar can pass through the first, second longitudinal hole, the another interlocking mechanism connection compression bar that energy pine oil is arranged and right lug.The positioning element connects locating rod and main support.The workbench can be movably attached on the pedestal of bearing, and guide post is installed on workbench, and workbench side horizontal slidably connects instruction unit, and foil gauge is seated in instruction unit top surface.It has the following advantages that：The precision and quality symmetrically pasted of foil gauge is improved, improves location efficiency, it is the small-sized easy assembly of device, at low cost.
Description
Technical field
The utility model is related to one kind for Hopkinson pressure bar and strain gauge adhesion positioning device.
Background technology
Currently, research material is in high strain-rate (10 in materials science field2~104s-1) under mechanical property when, it is main
The research method wanted just utilizes separate type Hopkinson (Hopkinson) compression bar (abbreviation SHPB) technology.Its experimental principle is：It will
Short sample is placed between two compression bars, is hit incident bar one end by the mass block of acceleration, is added to sample with generating while undertaking
Load and the stress wave with test function, while being remembered using the foil gauge being pasted onto on compression bar and apart from boom end certain distance
Record stress wave propagation information and the stress-displacement versus time relation for solving rod piece and sample end face, entire pressure bar system is mainly by three
Part forms, including loading device, rod unit and data acquisition-and-recording system.Operation principle：By trip rod to incident bar
Shock, and generate corresponding stress wave in incident bar and throwing-stick, pass through the strain being pasted onto on incident bar and throwing-stick
Piece measures its stress wave, and by the strain-stress relation of one-dismensional stress wave theory export sample material and thinks
Sample is in original stress equilibrium state always in loading procedure.And the stickup of foil gauge is the important link of sensor production, is answered
The sticking Quality for becoming piece directly affects the accuracy of DATA REASONING.In order to which the accurate dynamic mechanical of research material needs
Preferably strain sticking Quality.
Utility model content
The utility model provides one kind for Hopkinson pressure bar and strain gauge adhesion positioning device, and which overcome backgrounds
The Hopkinson pressure bar deficiency existing with strain gauge adhesion positioning in technology.
The used technical solution that the utility model solves its technical problem is：
One kind being used for Hopkinson pressure bar and strain gauge adhesion positioning device, including：
Bearing, including pedestal and perpendicular seat, the pedestal have supporting surface upward, and the perpendicular seat is affixed on the support surface and to be supported
Face has the extension for stretching out and erecting seat；
Main support, including transverse part, left lug and right lug, the left lug and right lug are respectively and fixedly connected to transverse part two
End, which, which can slide up and down, is connected to perpendicular seat, and perforative first transverse holes are all offered on the left lug and right lug, left
Lug, the first transverse holes of right lug are coaxially arranged, and the first transverse holes of connection are further opened on right lug and perforative first indulges
Xiang Kong；
Locating rod can turn through the first transverse holes of left lug, right lug, perforative second is additionally provided in the locating rod
Longitudinal hole, the second longitudinal direction hole and the alignment of first longitudinal direction hole, which can pass through first longitudinal direction hole and second longitudinal direction hole, another to be arranged
The interlocking mechanism connection compression bar of energy pine oil and right lug；
Positioning element connects locating rod and main support；And
Workbench can be movably attached on the extension of supporting surface, and guide post is installed on the workbench, the work
Platform side horizontal slidably connects instruction unit, which is seated in instruction unit top surface.
The perpendicular seat is recessed with the vertical chute, is convexly equipped with sliding block behind the transverse part back side of the main support, which slips perpendicular
Into sliding slot, there is screw hole on the sliding block；It separately is equipped with screw rod, which can be rotatablely connected perpendicular seat, which is spirally connected sliding block
Screw hole, the sliding block and screw rod cooperation constitute leading screw and nut mechanism, and rotating band movable slider by screw rod slides up and down.
The right lug is further opened with the second transverse holes of connection first longitudinal direction hole and vertical first transverse holes；The interlocking mechanism
Including interlocking pin, which is spirally connected and the second transverse holes and makes interlocking pin contact compression bar to realize interlocking by being spirally connected for interlocking pin
Or far from compression bar to realize pine oil.
The first supporting table, the second supporting table and third support are connected between the workbench and the extension of supporting surface
Platform, which is fixed on extension and top surface is recessed with along sagittal front and back sliding slot, the second supporting table energy
Slide back and forth on the front and back sliding slot for being connected to the first supporting table and top surface be recessed with along left and right to left and right sliding slot, the third support
Platform, which can horizontally slip, is connected to the left and right sliding slot of the second supporting table, which is fixed on third supporting table, the instruction unit
It can be connected to the right side of workbench slidingly back and forth.
The locating rod is equipped with location graduation line.
The positioning element includes a clamper with self-centering and through-hole structure, fixed hub, with multiple index holes
Indexing axle sleeve and positioning pin, which passes through the clamper, the clamper and fixed hub to be threadedly coupled, the indexing axle sleeve
It is threadedly coupled with fixed hub, the indexing axle sleeve and clamper are located at the left and right sides of left lug, which passes through
Bearing is set between the first transverse holes and fixed hub and the first transverse holes of left lug；It is equipped on the left lug multiple for inserting
Hole, the positioning pin pass through a certain index hole and are inserted into some in jack.
Compared with the background art, it has the following advantages that the technical program：
It includes bearing, main support, locating rod, positioning element and workbench to paste positioning device, and compression bar can pass through first to indulge
To hole and second longitudinal direction hole, foil gauge is seated in instruction unit top surface, can position compression bar and foil gauge, improves foil gauge and symmetrically pastes
Precision and quality, improve location efficiency, and device it is small-sized it is easy assembly, it is at low cost.
Workbench energy opposite support face moves, the opposite movable workbench of instruction unit energy, compression bar and foil gauge can be aligned, with
Can meet the needs of different compression bar sizes.
Positioning element includes clamper, fixed hub, indexing axle sleeve and positioning pin with multiple index holes, for difference
The compression bar of length, to drive locating rod rotation by rotating dividing spindle set, with energy accurate rotational locating rod.Dividing spindle, which is put on, to be had
The location hole for having different number, to meet different indexing demands.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the stereoscopic schematic diagram of the stickup positioning device of present embodiment.
Fig. 2 is the schematic top plan view of the stickup positioning device of present embodiment.
Fig. 3 is the stereoscopic schematic diagram of the workbench of present embodiment.
Fig. 4 is the stereoscopic schematic diagram of the positioning element of present embodiment.
Specific implementation mode
Fig. 1 to Fig. 4 is please referred to, one kind is for Hopkinson pressure bar and strain gauge adhesion positioning device, including bearing 10, master
Holder 20, locating rod 30, positioning element 40 and workbench 50.
The bearing 10 includes pedestal 11 and perpendicular seat 12, which has supporting surface upward, which is fixed in branch
On support face and supporting surface has the extension for stretching out and erecting seat.
The main support 20 includes transverse part 23, left lug 21 and right lug 22, and the left lug 21 and right lug 22 are solid respectively
13 both ends of transverse part are connected on, which, which can slide up and down, is connected to perpendicular seat 12, is all opened on the left lug 21 and right lug 22
Equipped with perforative first transverse holes, left lug 21, the first transverse holes of right lug 22 are coaxially arranged, are further opened on right lug 22
It is connected to the first transverse holes and perforative first longitudinal direction hole.Among present embodiment, the connection of the transverse part 23 and perpendicular seat 12
Such as：The perpendicular seat 12 is recessed with the vertical chute 13, is convexly equipped with sliding block 24 behind 23 back side of transverse part, which, which slips, is vertically sliding
In slot 13, there is screw hole on the sliding block 24；It separately is equipped with screw rod 25, which can be rotatablely connected perpendicular seat 12,25 spiral shell of screw rod
The screw hole of sliding block 24 is connect, the sliding block 24 and the cooperation of screw rod 25 constitute leading screw and nut mechanism, and band movable slider 24 is rotated by screw rod 25
It slides up and down.
The locating rod 30 can turn through the first transverse holes of left lug 21, right lug 22, be additionally provided in the locating rod 30
Perforative second longitudinal direction hole, the second longitudinal direction hole and the alignment of first longitudinal direction hole, the compression bar 60 can pass through first longitudinal direction hole and second
Longitudinal hole, the another interlocking mechanism connection compression bar 60 that energy pine oil is arranged and right lug 22.Among present embodiment：The locating rod
30 side is equipped with location graduation line；The right lug 22 is further opened with the of connection first longitudinal direction hole and vertical first transverse holes
Two transverse holes；The interlocking mechanism includes interlocking pin 31, which is spirally connected the second transverse holes and being spirally connected by interlocking pin 31
Make 31 contact compression bar 60 of interlocking pin to realize interlocking or far from compression bar 60 to realize pine oil.
The positioning element 40 connects the left lug 21 of locating rod 30 and main support 20.Among present embodiment：This is fixed
Position component 40 includes a clamper 41 with self-centering and through-hole structure, a fixed hub 42, one with multiple index holes 431
Indexing axle sleeve 43 and a positioning pin, the locating rod 30 pass through the clamper 41, by the 41 clamping position bar 30 of clamper with
Realize that self-centering, the clamper 41 and fixed hub 42 are threadedly coupled, the indexing axle sleeve 43 and fixed hub 42 are threadedly coupled,
The indexing axle sleeve 43 and clamper 41 are located at the left and right sides of left lug 21, which passes through the of left lug 21
Bearing is set between one transverse holes and fixed hub 42 and the first transverse holes so that clamper 41, dead axle set 42,43 and of indexing axle sleeve
Locating rod 30 can be rotated integrally relative to left lug；Equipped with multiple for jack on the left lug 21, which passes through a certain point
Some is simultaneously inserted into for (being such as 180 here after rotating by a certain angle by indexing axle sleeve after extraction positioning pin in jack in degree hole
Degree), it realizes locating rod rotation, is inserted into positioning pin and realizes positioning.
The workbench 50 can be movably attached on the extension of supporting surface, and guide post is installed on the workbench 50
51,51 axis vertical of guide post arrangement, the workbench side horizontal slidably connects instruction unit 52, which is seated in finger
Show 52 top surface of portion.Among present embodiment：It is connected with the first support between the workbench 50 and the extension of supporting surface
Platform 53, the second supporting table 54 and third supporting table 55, which is fixed on extension and top surface is recessed with edge
Sagittal front and back sliding slot, which, which can slide back and forth, is connected on the front and back sliding slot of the first supporting table 53 and top surface
Be recessed with along left and right to left and right sliding slot, the third supporting table 55 can horizontally slip is connected to the second supporting table 54 left and right slide
Slot, the workbench 50 are fixed on third supporting table 55, which can be connected to the right side of workbench 50 slidingly back and forth
Side.Preferably, the surface layer of workbench is equipped with the rubber material layer of certain elasticity.
A kind of above-mentioned stickup localization method for Hopkinson pressure bar and strain gauge adhesion positioning device, including：
(1), locating rod is packed into right lug and positioning element, and compression bar is packed into first longitudinal direction hole and second longitudinal direction hole, and appropriate
Adjusting compression bar center so that the relatively right lug both sides as possible in compression bar both ends are symmetrical；
(2), using interlocking mechanism interlocking compression bar and right lug, locking positioning component；
(3), by mobile work platform, guide post side is made to be in tangency location with compression bar outer diameter, positioning pin passes through indexing
Hole and for jack；
(4), according to the diameter of compression bar, adjusting sliding instruction unit makes instruction unit be equal to pressure with the interval on the outside of guide post
Foil gauge reverse side is placed in instruction unit top surface by the radius of bar, makes the axis of foil gauge axis and the guide post on workbench as possible
Parallel arrangement gives foil gauge reverse side spot printing glue, such as 502 glue；
(5), rotation screw rod drives main support to move downward, by main support slide downward to drive compression bar to move downward,
So that compression bar is contacted with foil gauge pressurize and the pressurize predetermined time, rotation screw rod drives main support to move upwards, by main support to
Upper sliding extracts positioning pin to drive compression bar to lift, and then drives locating rod to rotate 180 degree by indexing axle sleeve rotation, then make
With positioning pin connection index hole and location hole, pressurize time of contact is as being not less than 2min；
(6), another foil gauge is put, step (3), (4), (5) are repeated.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited according to this
It is new all should still to belong to this practicality that is, according to equivalent changes and modifications made by the utility model patent range and description for range
In the range of type covers.
Claims (6)
1. one kind is for Hopkinson pressure bar and strain gauge adhesion positioning device, it is characterised in that：Including：
Bearing, including pedestal and perpendicular seat, the pedestal have supporting surface upward, and the perpendicular seat is affixed on the support surface and support mask
There is the extension for stretching out and erecting seat；
Main support, including transverse part, left lug and right lug, the left lug and right lug are respectively and fixedly connected to transverse part both ends, should
Transverse part, which can slide up and down, is connected to perpendicular seat, all offers perforative first transverse holes on the left lug and right lug, left lug,
First transverse holes of right lug are coaxially arranged, and the first transverse holes of connection and perforative first longitudinal direction hole are further opened on right lug；
Locating rod can turn through the first transverse holes of left lug, right lug, perforative second longitudinal direction is additionally provided in the locating rod
Hole, the second longitudinal direction hole and the alignment of first longitudinal direction hole, the compression bar can pass through first longitudinal direction hole and second longitudinal direction hole, and another be arranged can pine
The interlocking mechanism connection compression bar released and right lug；
Positioning element connects locating rod and main support；And
Workbench can be movably attached on the extension of supporting surface, and guide post is installed on the workbench, the workbench side
Face level slidably connects instruction unit, which is seated in instruction unit top surface.
2. one kind according to claim 1 is for Hopkinson pressure bar and strain gauge adhesion positioning device, it is characterised in that：
The perpendicular seat is recessed with the vertical chute, and sliding block is convexly equipped with behind the transverse part back side of the main support, which slips in the vertical chute,
There is screw hole on the sliding block；It separately is equipped with screw rod, which can be rotatablely connected perpendicular seat, which is spirally connected the screw hole of sliding block, the cunning
Block and screw rod cooperation constitute leading screw and nut mechanism, and rotating band movable slider by screw rod slides up and down.
3. one kind according to claim 1 is for Hopkinson pressure bar and strain gauge adhesion positioning device, it is characterised in that：
The right lug is further opened with the second transverse holes of connection first longitudinal direction hole and vertical first transverse holes；The interlocking mechanism includes interlocking
Pin, the interlocking pin be spirally connected the second transverse holes and by interlocking pin be spirally connected make interlocking pin contact compression bar with realize interlocking or far from pressure
Bar is to realize pine oil.
4. one kind according to claim 1 is for Hopkinson pressure bar and strain gauge adhesion positioning device, it is characterised in that：
The first supporting table, the second supporting table and third supporting table are connected between the workbench and the extension of supporting surface, this first
Supporting table is fixed on extension and top surface is recessed with along sagittal front and back sliding slot, which can the company of sliding back and forth
Be connected on the front and back sliding slot of the first supporting table and top surface be recessed with along left and right to left and right sliding slot, which can control cunning
The dynamic left and right sliding slot for being connected to the second supporting table, the workbench are fixed on third supporting table, which can slide back and forth
Ground is connected to the right side of workbench.
5. one kind according to claim 1 or 2 or 3 or 4 is used for Hopkinson pressure bar and strain gauge adhesion positioning device,
It is characterized in that：The locating rod is equipped with location graduation line.
6. one kind according to claim 1 or 2 or 3 or 4 is used for Hopkinson pressure bar and strain gauge adhesion positioning device,
It is characterized in that：The positioning element includes a clamper with self-centering and through-hole structure, fixed hub, with multiple index holes
Indexing axle sleeve and positioning pin, which passes through the clamper, the clamper and fixed hub to be threadedly coupled, the indexing axle sleeve
It is threadedly coupled with fixed hub, the indexing axle sleeve and clamper are located at the left and right sides of left lug, which passes through
Bearing is set between the first transverse holes and fixed hub and the first transverse holes of left lug；It is equipped on the left lug multiple for inserting
Hole, the positioning pin pass through a certain index hole and are inserted into some in jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204505.3U CN207935234U (en) | 2018-02-06 | 2018-02-06 | One kind is for Hopkinson pressure bar and strain gauge adhesion positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204505.3U CN207935234U (en) | 2018-02-06 | 2018-02-06 | One kind is for Hopkinson pressure bar and strain gauge adhesion positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935234U true CN207935234U (en) | 2018-10-02 |
Family
ID=63651674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820204505.3U Withdrawn - After Issue CN207935234U (en) | 2018-02-06 | 2018-02-06 | One kind is for Hopkinson pressure bar and strain gauge adhesion positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207935234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223522A (en) * | 2018-02-06 | 2018-06-29 | 华侨大学 | For Hopkinson pressure bar and strain gauge adhesion positioning device |
-
2018
- 2018-02-06 CN CN201820204505.3U patent/CN207935234U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223522A (en) * | 2018-02-06 | 2018-06-29 | 华侨大学 | For Hopkinson pressure bar and strain gauge adhesion positioning device |
| CN108223522B (en) * | 2018-02-06 | 2023-11-21 | 华侨大学 | Positioning device for sticking Hopkinson pressure bar and strain gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20231121 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20231121 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |