CN205506573U - Hydraulic shock expansion loop experimental apparatus - Google Patents
Hydraulic shock expansion loop experimental apparatus Download PDFInfo
- Publication number
- CN205506573U CN205506573U CN201620280783.8U CN201620280783U CN205506573U CN 205506573 U CN205506573 U CN 205506573U CN 201620280783 U CN201620280783 U CN 201620280783U CN 205506573 U CN205506573 U CN 205506573U
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- China
- Prior art keywords
- hydraulic pressure
- pressure storehouse
- positioning seat
- seat
- expansion loop
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Abstract
The utility model discloses a hydraulic shock expansion loop experimental apparatus, including base member, piston, water control valve, connecting seat, positioning seat, perspective piece and hold -down mechanism, be provided with first hydraulic pressure storehouse in the base member, the left end of base member is provided with the first opening that communicates with first hydraulic pressure storehouse, and the upper end of base member is provided with the second opening that communicates with first hydraulic pressure storehouse, and the piston is filled in in the first hydraulic pressure storehouse from first opening part, the connecting seat sets up on the base member, is provided with the inner chamber in the connecting seat, and the inner chamber is just to the second opening, the lower part of positioning seat be arranged in the inner chamber and with connecting seat fixed connection, be provided with second hydraulic pressure storehouse in the positioning seat, the upper end of positioning seat is provided with the upper shed with second hydraulic pressure storehouse intercommunication, the lower extreme of positioning seat is provided with the under shed that communicates with second hydraulic pressure storehouse, the water control valve is located the bottom in second hydraulic pressure storehouse, the water control valve covers the second opening, the size of upper shed is less than the internal diameter of ring test piece, the advantage is can be through perspective piece in situ observation ring test piece, record experimentation.
Description
Technical field
This utility model relates to a kind of expansion loop experimental provision, especially relates to a kind of hydraulic shock expansion loop experimental provision.
Background technology
Solid Dynamic Tensile Fracture under impact loading and fragmentation phenomenon are the most common at nature and engineering field.?
The fields such as civilian, national defence and aerospace engineering need to widely apply principle and the technology of Dynamic Tensile Fracture.Dynamic tensile is real
The technology of testing is research trends tensile break mechanism important foundations, and hydraulic shock expansion loop experimental provision is as a kind of dynamic tensile
Experimental technique is widely used.
Document " Zheng Yuxuan, Zhou Fenghua etc., a kind of impact expansion loop experimental technique [J] based on SHPB. explode and impact.
Volume 34 the 4th July phase .2014 " in disclose a kind of hydraulic shock expansion loop experimental provision, this experimental provision utilizes
The incident bar of SHPB promotes piston, piston press hydraulic pressure storehouse Nei Shui, and two planes of annulus specimen are close to two fixing planes,
Utilize the inner surface of the pressure-driven annulus specimen of water, allow annulus specimen outward expansion, it is achieved the dynamic tensile of annulus specimen
Fracture.Although this experimental provision has low cost, simple to operate, strain rate is high and the advantage such as unstressed wave effect, but
This experimental provision there is problems in that annulus specimen is sealed in canister, is unfavorable for observation and the record of experimentation.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of can with Real Time Observation with record experimentation hydraulic pressure
Impact expansion loop experimental provision.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of hydraulic shock expansion loop experimental provision,
Including matrix, piston, water control valve, connection seat, positioning seat, perspective piece and hold-down mechanism；It is provided with in described matrix
First hydraulic pressure storehouse, the left end of described matrix is provided with the first opening connected with the first described hydraulic pressure storehouse, described base
The upper end of body is provided with the second opening connected with the first described hydraulic pressure storehouse, and described piston is from the first described opening part
Fill in the first described hydraulic pressure storehouse；The described seat that connects is arranged on described matrix, is provided with in described connection seat
The inner chamber of up/down perforation, described inner chamber is just to the second described opening, and the bottom of described positioning seat is positioned at described
Fix in chamber and with described connection seat and connect, in described positioning seat, be provided with the second hydraulic pressure storehouse, described positioning seat
Upper end is provided with the upper shed connected with the second described hydraulic pressure storehouse, and the lower end of described positioning seat is provided with and described
The under shed of two hydraulic pressure storehouse connections, described water control valve is positioned at the bottom in the second described hydraulic pressure storehouse, described water control valve lid
The second opening that residence is stated, the internal diameter being smaller in size than annulus specimen of described upper shed；When test, annulus specimen is put
Putting on the upper surface of described positioning seat and be positioned at outside described upper shed, described perspective piece covers at annulus specimen
On, described annulus specimen is compressed by described hold-down mechanism, and now described upper shed is closed.
The upper surface of described positioning seat is big top and small bottom truncated cone face.This structure can be at the beginning of annulus specimen obtains
After the speed of expansion begun, discharge unnecessary hydraulic pressure, the free wxpansion of annulus specimen is better achieved.
Being provided with protective ring on the upper surface of described positioning seat, annulus specimen is positioned in described protective ring, when test,
Described protective ring and annulus specimen are compressed by described perspective piece simultaneously.This structure effectively buffers annulus by protective ring
The landing speed of test specimen, it is achieved the soft recovery of annulus specimen fragment, facilitates look at size and the fracture apperance of fragment.
The material of described protective ring is foam or rubber.
The edge of the upper surface of described positioning seat is provided with enclosure, described enclosure is provided with multiple VISA laser and visits
Pin.This structure can use VISAR laser microprobe to measure the speed of expansion of annulus specimen.
Described hold-down mechanism includes support, spherical pair hemisphere and spherical pair screw rod, and described support is fixedly installed on described
Connection seat on, described spherical pair screw rod is screwed onto on described support, and when test, described spherical pair hemisphere will
Annulus specimen covers, and described spherical pair screw rod moves down and compressed by described spherical pair hemisphere.This structure passes through sphere
The spherical pair mechanism of secondary hemisphere and spherical pair screw rod composition realizes the compression location of perspective piece, and degree of accuracy is high.
The illuminator of adjustable angle it is provided with on described support.This structure improves the convenience of shooting by illuminator.
Being provided with chute on described connection seat, the bottom of described support is provided with slide block, and described slide block is positioned at described
Chute in.
The material of described perspective piece is quartz glass.
Compared with prior art, the utility model has the advantage of by matrix, piston, water control valve, connection seat, location
Seat, perspective piece and hold-down mechanism set up hydraulic shock expansion loop experimental provision, are provided with the first hydraulic pressure storehouse, base in matrix
The left end of body is provided with the first opening connected with the first hydraulic pressure storehouse, and the upper end of matrix is provided with second connected with hydraulic pressure storehouse
Opening, piston is filled in the first hydraulic pressure storehouse from the first opening part；Connect seat to be arranged on matrix, be provided with in connecting seat
Under through inner chamber, inner chamber just to the second opening, the bottom of positioning seat be positioned in inner chamber and and connect that seat is fixing to be connected, fixed
Being provided with the second hydraulic pressure storehouse in the seat of position, the upper end of positioning seat is provided with the upper shed connected with the second hydraulic pressure storehouse, positioning seat
Lower end is provided with the under shed connected with the second hydraulic pressure storehouse, and water control valve is positioned at the bottom in the second hydraulic pressure storehouse, and water control valve covers
Two openings, the internal diameter being smaller in size than annulus specimen of upper shed；When test, annulus specimen is placed on the upper end of positioning seat
On face and be positioned at outside upper shed, perspective piece covers on annulus specimen, and annulus specimen is compressed by hold-down mechanism, now goes up
Opening is closed, and loads liquid in the first hydraulic pressure storehouse and the second hydraulic pressure storehouse, and piston moves in the first hydraulic pressure storehouse, the first liquid
In pressure storehouse, hydraulic pressure increases, and water control valve is moved up by promotion, and now in the second hydraulic pressure storehouse, hydraulic pressure increases, and annulus specimen expands
Pressure release, is achieved in expansion loop experiment, in test process, can pass through perspective piece Real Time Observation annulus specimen,
Record experimentation.
Accompanying drawing explanation
Fig. 1 is explosive view of the present utility model；
Fig. 2 is axonometric chart of the present utility model；
Fig. 3 is sectional view of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Embodiment one: as it can be seen, a kind of hydraulic shock expansion loop experimental provision, including matrix 1, piston 2, water control valve
3, seat 4, positioning seat 5, perspective piece 6 and hold-down mechanism are connected；The first hydraulic pressure storehouse 7, matrix 1 it is provided with in matrix 1
Left end be provided with the first opening connected with the first hydraulic pressure storehouse 7, the upper end of matrix 1 be provided with and the first hydraulic pressure storehouse 7 even
The second logical opening, piston 2 is filled in the first hydraulic pressure storehouse 7 from the first opening part；Connect seat 4 to be arranged on matrix 1,
Connect in seat 4 inner chamber being provided with up/down perforation, inner chamber just to the second opening, the bottom of positioning seat 5 be positioned in inner chamber and
Seat 4 is fixing to be connected with connecting, and is provided with the second hydraulic pressure storehouse 8 in positioning seat 5, and the upper end of positioning seat 5 is provided with and second
The upper shed of hydraulic pressure storehouse 8 connection, the lower end of positioning seat 5 is provided with the under shed connected with the second hydraulic pressure storehouse 8, water control valve
3 bottoms being positioned at the second hydraulic pressure storehouse 8, water control valve 3 covers the second opening, upper shed be smaller in size than the interior of annulus specimen
Footpath；When test, annulus specimen is placed on the upper surface of positioning seat 5 and is positioned at outside upper shed, and perspective piece 6 covers
On annulus specimen, annulus specimen is compressed by hold-down mechanism, and now upper shed is closed.
In the present embodiment, the upper surface of positioning seat 5 is big top and small bottom truncated cone face.
In the present embodiment, the upper surface of positioning seat 5 being provided with protective ring 9, annulus specimen is positioned in protective ring 9, is surveying
During examination, protective ring 9 and annulus specimen are compressed by perspective piece 6 simultaneously.
In the present embodiment, the material of protective ring 9 is foam.
In the present embodiment, the edge of the upper surface of positioning seat 5 is provided with enclosure 10, and enclosure 10 is provided with multiple VISA
Laser microprobe 11.
In the present embodiment, hold-down mechanism includes that support 12, spherical pair hemisphere 13 and spherical pair screw rod 14, support 12 are fixed
Being arranged on connection seat 4, spherical pair screw rod 14 is screwed onto on support 12, and when test, spherical pair hemisphere 13 will circle
Ring test specimen covers, and spherical pair screw rod 14 moves down and compressed by spherical pair hemisphere 13.
In the present embodiment, support 12 is provided with the illuminator 15 of adjustable angle.
In the present embodiment, the front side and the rear side that connect seat 4 are respectively arranged with chute 16, and the bottom of support 12 is provided with sliding
The slide block 17 of groove 16 coupling, slide block 17 is positioned at chute 16.
In the present embodiment, the material of perspective piece 6 is quartz glass.
Embodiment two: as it can be seen, a kind of hydraulic shock expansion loop experimental provision, including matrix 1, piston 2, water control valve
3, seat 4, positioning seat 5, perspective piece 6 and hold-down mechanism are connected；The first hydraulic pressure storehouse 7, matrix 1 it is provided with in matrix 1
Left end be provided with the first opening connected with the first hydraulic pressure storehouse 7, the upper end of matrix 1 be provided with and the first hydraulic pressure storehouse 7 even
The second logical opening, piston 2 is filled in the first hydraulic pressure storehouse 7 from the first opening part；Connect seat 4 to be arranged on matrix 1,
Connect in seat 4 inner chamber being provided with up/down perforation, inner chamber just to the second opening, the bottom of positioning seat 5 be positioned in inner chamber and
Seat 4 is fixing to be connected with connecting, and is provided with the second hydraulic pressure storehouse 8 in positioning seat 5, and the upper end of positioning seat 5 is provided with and second
The upper shed of hydraulic pressure storehouse 8 connection, the lower end of positioning seat 5 is provided with the under shed connected with the second hydraulic pressure storehouse 8, water control valve
3 bottoms being positioned at the second hydraulic pressure storehouse 8, water control valve 3 covers the second opening, upper shed be smaller in size than the interior of annulus specimen
Footpath；When test, annulus specimen is placed on the upper surface of positioning seat 5 and is positioned at outside upper shed, and perspective piece 6 covers
On annulus specimen, annulus specimen is compressed by hold-down mechanism, and now upper shed is closed.
In the present embodiment, the upper surface of positioning seat 5 is big top and small bottom truncated cone face.
In the present embodiment, the upper surface of positioning seat 5 being provided with protective ring 9, annulus specimen is positioned in protective ring 9, is surveying
During examination, protective ring 9 and annulus specimen are compressed by perspective piece 6 simultaneously.
In the present embodiment, the material of protective ring 9 is rubber.
In the present embodiment, the edge of the upper surface of positioning seat 5 is provided with enclosure 10, and enclosure 10 is provided with multiple VISA
Laser microprobe 11.
In the present embodiment, hold-down mechanism includes that support 12, spherical pair hemisphere 13 and spherical pair screw rod 14, support 12 are fixed
Being arranged on connection seat 4, spherical pair screw rod 14 is screwed onto on support 12, and when test, spherical pair hemisphere 13 will circle
Ring test specimen covers, and spherical pair screw rod 14 moves down and compressed by spherical pair hemisphere 13.
In the present embodiment, support 12 is provided with the illuminator 15 of adjustable angle.
In the present embodiment, the front side and the rear side that connect seat 4 are respectively arranged with chute 16, and the bottom of support 12 is provided with sliding
The slide block 17 of groove 16 coupling, slide block 17 is positioned at chute 16.
In the present embodiment, the material of perspective piece 6 is quartz glass.
Claims (9)
1. a hydraulic shock expansion loop experimental provision, it is characterised in that include matrix, piston, water control valve, connection seat, positioning seat, perspective piece and hold-down mechanism；The first hydraulic pressure storehouse it is provided with in described matrix, the left end of described matrix is provided with the first opening connected with the first described hydraulic pressure storehouse, the upper end of described matrix is provided with the second opening connected with the first described hydraulic pressure storehouse, and described piston is filled in the first described hydraulic pressure storehouse from the first described opening part；The described seat that connects is arranged on described matrix, the inner chamber of up/down perforation it is provided with in described connection seat, described inner chamber is just to the second described opening, the bottom of described positioning seat is positioned in described inner chamber and connection fixing with described connection seat, the second hydraulic pressure storehouse it is provided with in described positioning seat, the upper end of described positioning seat is provided with the upper shed connected with the second described hydraulic pressure storehouse, the lower end of described positioning seat is provided with the under shed connected with the second described hydraulic pressure storehouse, described water control valve is positioned at the bottom in the second described hydraulic pressure storehouse, described water control valve covers the second described opening, the internal diameter being smaller in size than annulus specimen of described upper shed；When test, annulus specimen is placed on the upper surface of described positioning seat and is positioned at outside described upper shed, and described perspective piece covers on annulus specimen, and described annulus specimen is compressed by described hold-down mechanism, and now described upper shed is closed.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 1, it is characterised in that the upper surface of described positioning seat is big top and small bottom truncated cone face.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 2, it is characterized in that being provided with protective ring on the upper surface of described positioning seat, annulus specimen is positioned in described protective ring, and when test, described protective ring and annulus specimen are compressed by described perspective piece simultaneously.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 3, it is characterised in that the material of described protective ring is foam or rubber.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 2, it is characterised in that the edge of the upper surface of described positioning seat is provided with enclosure, and described enclosure is provided with multiple VISA laser microprobe.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 1, it is characterized in that described hold-down mechanism includes support, spherical pair hemisphere and spherical pair screw rod, described support is fixedly installed on described connection seat, described spherical pair screw rod is screwed onto on described support, when test, annulus specimen is covered by described spherical pair hemisphere, and described spherical pair screw rod moves down and compressed by described spherical pair hemisphere.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 6, it is characterised in that be provided with the illuminator of adjustable angle on described support.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 6, it is characterised in that being provided with chute on described connection seat, the bottom of described support is provided with slide block, and described slide block is positioned at described chute.
A kind of hydraulic shock expansion loop experimental provision the most according to claim 1, it is characterised in that the material of described perspective piece is quartz glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280783.8U CN205506573U (en) | 2016-04-06 | 2016-04-06 | Hydraulic shock expansion loop experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280783.8U CN205506573U (en) | 2016-04-06 | 2016-04-06 | Hydraulic shock expansion loop experimental apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN205506573U true CN205506573U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620280783.8U Expired - Fee Related CN205506573U (en) | 2016-04-06 | 2016-04-06 | Hydraulic shock expansion loop experimental apparatus |
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| Country | Link |
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| CN (1) | CN205506573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769547A (en) * | 2016-12-20 | 2017-05-31 | 西安科技大学 | One kind impact liquefaction test equipment and test method |
-
2016
- 2016-04-06 CN CN201620280783.8U patent/CN205506573U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769547A (en) * | 2016-12-20 | 2017-05-31 | 西安科技大学 | One kind impact liquefaction test equipment and test method |
| CN106769547B (en) * | 2016-12-20 | 2019-08-30 | 西安科技大学 | A kind of impact liquefaction test equipment and test method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |