CN203772635U - Three-way peripheral pressure and temperature joint loading device for split Hopkinson pressure bar impact experiment - Google Patents
Three-way peripheral pressure and temperature joint loading device for split Hopkinson pressure bar impact experiment Download PDFInfo
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- CN203772635U CN203772635U CN201420126856.9U CN201420126856U CN203772635U CN 203772635 U CN203772635 U CN 203772635U CN 201420126856 U CN201420126856 U CN 201420126856U CN 203772635 U CN203772635 U CN 203772635U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 title abstract 7
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 17
- 239000000945 filler Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 27
- 239000011888 foil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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Abstract
The utility model discloses a three-way peripheral pressure and temperature joint loading device for a split Hopkinson pressure bar impact experiment. The three-way peripheral pressure and temperature joint loading device comprises a peripheral pressure temperature joint loading device and an axle load loading device consisting of an incident bar and a transmission bar, wherein the peripheral pressure temperature joint loading device comprises an cylinder with cylinder covers at two ends, axle holes through which the incident bar and the transmission bar can pass are reserved in the middle of the cylinder covers, test pieces are coaxially arranged between the incident bar and the transmission bar, oil resistant rubber sleeves are arranged at the peripheries of the test pieces and the incident bar and the transmission bar in the cylinder, test piece locating sleeves with holes are arranged on the outer sides of the oil resistant rubber sleeves, vent holes are arranged above the cylinder, oil filler holes are arranged below the cylinder, a heating device is arranged on the outer side of the test piece locating sleeves, and a temperature measuring device is arranged on the surface of the test piece. By adopting the joint loading device, the split Hopkinson pressure bar impact experiment loading under the combined action of the three-way peripheral pressure and temperature can be realized, and material kinetic parameters under the combined action of the three-way peripheral pressure and temperature can be provided for scientific calculation and engineering application.
Description
Technical field
The utility model belongs to material kinetics performance test research equipment technical field, particularly a kind of Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading device.
Background technology
Existing Hopkinson pressure bar (Split Hopkinson Pressure Bar, SHPB) experimental provision is all to consider respectively three-dimensional confined pressure and temperature action, does not consider the symphyogenetic effect of three-dimensional confined pressure and temperature.Take Hopkinson pressure bar experiment device under the high temperature that is fast representative to pole technology, can realize the Hopkinson pressure bar experiment of material under specified temp, be used for measuring the parameters such as dynamic stress peak value of material under different temperatures.With application notification number CN102331366A, CN202837121U, CN202837089U is the Hopkinson pressure bar three-dimensional confined pressure charger of representative, can realize the Hopkinson pressure bar experiment of material under specific three-dimensional confined pressure, be used for measuring the parameters such as dynamic stress peak value of material under different three-dimensional confined pressures.
For example, the Chinese utility model patent of application notification number CN202837089U discloses a kind of ring pressure cylinder apparatus of Hopkinson pressure bar three-dimensional confined pressure experiment, comprise that two ends arrange the ring cylinder pressure body of cylinder cap, the reserved concentric axis hole in cylinder cap middle part, two ends inserts for incident bar and transmission bar, the coaxial test specimen of placing between incident bar and transmission bar, incident bar in test specimen and cylinder body and transmission bar periphery arrange oil resistant rubber cover, oil resistant rubber cover arranged outside test specimen locating sleeve, cylinder body top is provided with pipe and vent port, and below is provided with high-pressure oil pipe.During test, open ring cylinder pressure vent port, pump into hydraulic oil fuel-displaced to vent port, then close vent port valve, pump into hydraulic oil and press to testing required ring.
Yet in actual working environment, material can be subject to three-dimensional confined pressure and the coefficient impact of temperature, existing experimental provision can not carry out the material kinetics experiment under three-dimensional confined pressure and temperature acting in conjunction.
Along with the cognitive active demand of Practical Project to material dynamic mechanical under different three-dimensional confined pressures and state of temperature, the problem that prior art exists is: shortage can realize the charger of three-dimensional confined pressure and the coefficient Hopkinson pressure bar impact experiment of temperature, cannot calculate and engineering is applied the material kinetics parameter under three-dimensional confined pressure and temperature acting in conjunction is provided for science.
Summary of the invention
The purpose of this utility model is to provide a kind of Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading device, can realize smoothly three-dimensional confined pressure and the temperature acting in conjunction combination loading of Hopkinson pressure bar impact experiment, for science is calculated and engineering is applied the material kinetics parameter under three-dimensional confined pressure and temperature acting in conjunction is provided.
The technical solution that realizes the utility model object is: a kind of Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading device, comprise the axial compression charger and the ring pressure temperature combination loading device that by incident bar (7) and transmission bar (26), are formed, it is characterized in that: described ring presses temperature combination loading device to comprise that two ends are provided with the ring cylinder pressure body (16) of cylinder cap, the cylinder cap middle part at described two ends is provided with the axis hole that supplies incident bar (7) and transmission bar (26) to pass, the coaxial test specimen (25) of placing between incident bar (7) and transmission bar (26), incident bar (7) in test specimen (25) and cylinder body and transmission bar (26) periphery arrange oil resistant rubber cover (22), the test specimen locating sleeve (21) of oil resistant rubber cover (22) arranged outside band hole, cylinder body (16) top is provided with vent port (15), below is provided with oil hole (14), in described test specimen locating sleeve outside, be provided with heating arrangement (17), on test specimen surface, be provided with temperature measuring equipment (18).
The utility model compared with prior art, its remarkable advantage: the utility model is by apply three-dimensional confined pressure and temperature to test specimen simultaneously, can realize the coefficient Hopkinson pressure bar impact experiment of three-dimensional confined pressure and temperature and load, for science is calculated and engineering is applied the material kinetics parameter under three-dimensional confined pressure and temperature acting in conjunction is provided.And the axial compression that axially oil cylinder produces is delivered on incident bar by the groove on disk spring, web member and incident bar, can guarantee the stable of axial compression; Heating arrangement with temperature control can guarantee that test specimen temperature field in experimentation is constant, and the actual working state of simulation material, obtains more applicable dynamic mechanics parameter of material more accurately.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the coefficient Hopkinson pressure bar impact experiment apparatus of three-dimensional confined pressure temperature structural representation.
Fig. 2 is the utility model Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading apparatus structure schematic diagram.
In figure, high pressure gas holder 1, air valve 2, bullet trigger mechanism 3, bullet 4, knotmeter 5, wave shaping pad 6, incident bar 7, the axial oil cylinder 8 of incident, disk spring 9, web member 10, resistance strain gage 11, connecting link 12, oil pressure pump 13, oil hole 14, vent port 15, ring cylinder pressure body 16, heating arrangement 17, thermopair 18, thermometer 19, electromagnetic relay 20, perforated metal sleeve 21, oil resistant rubber sleeve 22, strain enlarging instrument 23, oscillograph 24, test specimen 25, transmission bar 26, the axis of homology are to oil cylinder 27.
Embodiment
As shown in Figure 1, for being provided with the coefficient Hopkinson pressure bar impact experiment apparatus of three-dimensional confined pressure temperature of the utility model Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading device.This Hopkinson pressure bar impact experiment apparatus comprises bullet 4, incident bar 7, test specimen 25, the transmission bar 26 being sequentially arranged in vertically on fixed support.Bullet 4 is placed in bullet trigger mechanism 3, and high pressure gas holder 1 is connected with bullet trigger mechanism 3, for bullet emitter 3 provides power.Between bullet 4 and incident bar 7, be provided with knotmeter 5, in order to measure the incidence rate of bullet 4.Incident bar 7 is subject to bullet impact site to be provided with wave shaping pad 6.On incident bar 7 and transmission bar 26, post foil gauge 25; The strain that foil gauge 25 is measured by strain enlarging instrument 23 finally by oscillograph 24 records.Test specimen 25 arranged outside chargers.
As shown in Figure 2, the utility model Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading device, comprises the axial compression charger and the ring pressure temperature combination loading device that incident bar 7 and transmission bar 26, consist of.Described ring presses temperature combination loading device to comprise that two ends are provided with the ring cylinder pressure body 16 of cylinder cap, the reserved axis hole that supplies incident bar 7 and transmission bar 26 to pass in cylinder cap middle part at described two ends, the coaxial test specimen 25 of placing between incident bar 7 and transmission bar 26, incident bar 7 in test specimen 25 and cylinder body and transmission bar 26 peripheries arrange oil resistant rubber cover 22, oil resistant rubber overlaps the test specimen locating sleeve 21 of 22 arranged outside band holes, cylinder body 16 tops are provided with vent port 15, below is provided with oil hole 14, in described test specimen locating sleeve outside, be provided with heating arrangement 17, on test specimen surface, be provided with temperature measuring equipment 18.
As a kind of improvement, also comprise be sleeved on incident bar 7, be placed in the axial oil cylinder 8 of incident outside incident bar 7 one end cylinder caps with the axis of homology being connected with transmission bar 26 afterbodys to oil cylinder 27, the axial oil cylinder 8 of described incident is connected by connecting link 12 to oil cylinder 27 with the axis of homology.
The axial oil cylinder 8 of described incident is connected with disk spring 9, and disk spring 9 is connected with web member 10, the contact grooves on web member 10 and incident bar 7 bodies of rod.
Described heating arrangement 17 is hot water radiation wire.
Described temperature measuring equipment 19 is thermopair.
Described locating sleeve 21 is above with hole, to guarantee that oil pressure can act on oil resistant rubber sleeve comparatively uniformly.
As a kind of embodiment, described temperature measuring equipment 19 is electrically connected to thermometer 19, and described heating arrangement 17 is electrically connected to electromagnetic relay 20, and described thermometer 19 is electrically connected to described electromagnetic relay 20.
The Hopkinson pressure bar impact experiment apparatus operation steps that is provided with charger described in the utility model is specially:
1, Hopkinson pressure bar device and charger of the present utility model are installed successively on fixed support;
2, test specimen 25 is installed to assigned address, connects the power supply of heating arrangement 17, by thermopair 18, thermometer 19 and electromagnetic relay 20, control heating arrangement test specimen is heated to test required temperature;
3, utilize oil pressure pump 13 respectively to incident bar axial compression oil cylinder 8, the axis of homology to oil cylinder 27 and the 16 interior oilings of ring cylinder pressure body, increase oil pressure to testing required three-dimensional confined pressure;
4, emission bullet 4, carry out Hopkinson pressure bar experiment;
5, strain enlarging instrument 23 and oscillograph 24 are recorded experimental data and are carried out aftertreatment by the foil gauge 11 being attached on incident bar 7 and transmission bar 26.
Adopt the utility model, test specimen is applied to three-dimensional confined pressure and temperature simultaneously, realize the coefficient Hopkinson pressure bar impact experiment of three-dimensional confined pressure and temperature and load, for science is calculated and engineering is applied the material kinetics parameter under three-dimensional confined pressure and temperature acting in conjunction is provided.And, the axial compression that axially oil cylinder produces is delivered on incident bar by the groove on disk spring, web member and incident bar, can guarantee that axial compression and ring are pressed stable, heating arrangement with temperature control can guarantee that test specimen temperature field in experimentation is constant, the actual working state of simulation material, obtains more applicable dynamic mechanics parameter of material more accurately.
Claims (6)
1. a Hopkinson pressure bar impact experiment three-dimensional confined pressure temperature combination loading device, comprise the axial compression charger and the ring pressure temperature combination loading device that by incident bar (7) and transmission bar (26), are formed, it is characterized in that: described ring presses temperature combination loading device to comprise that two ends are provided with the ring cylinder pressure body (16) of cylinder cap, the cylinder cap middle part at described two ends is provided with the axis hole that supplies incident bar (7) and transmission bar (26) to pass, the coaxial test specimen (25) of placing between incident bar (7) and transmission bar (26), incident bar (7) in test specimen (25) and cylinder body and transmission bar (26) periphery arrange oil resistant rubber cover (22), the test specimen locating sleeve (21) of oil resistant rubber cover (22) arranged outside band hole, cylinder body (16) top is provided with vent port (15), below is provided with oil hole (14), in described test specimen locating sleeve outside, be provided with heating arrangement (17), on test specimen surface, be provided with temperature measuring equipment (18).
2. three-dimensional confined pressure temperature combination loading device according to claim 1, it is characterized in that: described axial compression charger also comprise be sleeved on incident bar (7) upper, be placed in the axial oil cylinder of incident (8) outside the cylinder cap of incident bar (7) one end with the axis of homology being connected with transmission bar (26) afterbody to oil cylinder (27), the axial oil cylinder of described incident (8) is connected by connecting link (12) to oil cylinder (27) with the axis of homology.
3. three-dimensional confined pressure temperature combination loading device according to claim 2, it is characterized in that: the axial oil cylinder of described incident (8) is connected with disk spring (9), disk spring (9) is connected with web member (10), the contact grooves on web member (10) and incident bar (7) body of rod.
4. three-dimensional confined pressure temperature combination loading device according to claim 1, is characterized in that: described heating arrangement (17) is hot water radiation wire.
5. three-dimensional confined pressure temperature combination loading device according to claim 1, is characterized in that: described temperature measuring equipment (18) is thermopair.
6. three-dimensional confined pressure temperature combination loading device according to claim 5, it is characterized in that: described temperature measuring equipment (18) is electrically connected to thermometer (19), described heating arrangement (17) is electrically connected to electromagnetic relay (20), and described thermometer (19) is electrically connected to described electromagnetic relay (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420126856.9U CN203772635U (en) | 2014-03-20 | 2014-03-20 | Three-way peripheral pressure and temperature joint loading device for split Hopkinson pressure bar impact experiment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420126856.9U CN203772635U (en) | 2014-03-20 | 2014-03-20 | Three-way peripheral pressure and temperature joint loading device for split Hopkinson pressure bar impact experiment |
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| CN203772635U true CN203772635U (en) | 2014-08-13 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852373A (en) * | 2014-03-20 | 2014-06-11 | 中国人民解放军理工大学 | Three-way confining pressure and temperature combined loading device for Hopkinson compression bar impact test |
| CN105547871A (en) * | 2015-12-10 | 2016-05-04 | 东北大学 | Experimental apparatus and method for static-pressure rock impact tunnel destroy |
| CN107014689A (en) * | 2017-03-20 | 2017-08-04 | 中国矿业大学 | A kind of combination of true triaxial sound plus unloading test system based on Hopkinson pressure bar |
| CN108169006A (en) * | 2018-01-15 | 2018-06-15 | 华东交通大学 | A kind of Hopkinson pressure bar confining pressure automatic control system for deep rock mass engineering project |
| CN108344648A (en) * | 2018-02-07 | 2018-07-31 | 西北工业大学 | A kind of single-axis bidirectional load split hopkinson press bar and pull rod device and experimental method |
| CN110082222A (en) * | 2019-06-10 | 2019-08-02 | 河南理工大学 | Split type three-dimensional pressure device and strain waveform figure acquisition method |
| CN110987667A (en) * | 2019-12-09 | 2020-04-10 | 中南大学 | Rock high-temperature shear test device and method suitable for split Hopkinson bar |
| CN112858048A (en) * | 2021-01-19 | 2021-05-28 | 昆明理工大学 | Dynamic mechanical property testing device for blast hole filler and using method thereof |
| CN115436153A (en) * | 2022-08-15 | 2022-12-06 | 中国人民解放军空军工程大学 | Heating-constant temperature integrated device for Hopkinson pressure bar and operation method |
| CN116642775A (en) * | 2023-07-26 | 2023-08-25 | 深圳市深勘工程咨询有限公司 | Testing device for underground space spalling strength |
-
2014
- 2014-03-20 CN CN201420126856.9U patent/CN203772635U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852373A (en) * | 2014-03-20 | 2014-06-11 | 中国人民解放军理工大学 | Three-way confining pressure and temperature combined loading device for Hopkinson compression bar impact test |
| CN105547871A (en) * | 2015-12-10 | 2016-05-04 | 东北大学 | Experimental apparatus and method for static-pressure rock impact tunnel destroy |
| CN105547871B (en) * | 2015-12-10 | 2018-04-06 | 东北大学 | A kind of static pressure rock impact funnel breaking test device and method |
| CN107014689A (en) * | 2017-03-20 | 2017-08-04 | 中国矿业大学 | A kind of combination of true triaxial sound plus unloading test system based on Hopkinson pressure bar |
| CN108169006A (en) * | 2018-01-15 | 2018-06-15 | 华东交通大学 | A kind of Hopkinson pressure bar confining pressure automatic control system for deep rock mass engineering project |
| CN108344648B (en) * | 2018-02-07 | 2020-11-20 | 西北工业大学 | Single-shaft bidirectional loading separation type Hopkinson pressure bar and pull bar device and experimental method |
| CN108344648A (en) * | 2018-02-07 | 2018-07-31 | 西北工业大学 | A kind of single-axis bidirectional load split hopkinson press bar and pull rod device and experimental method |
| CN110082222A (en) * | 2019-06-10 | 2019-08-02 | 河南理工大学 | Split type three-dimensional pressure device and strain waveform figure acquisition method |
| CN110082222B (en) * | 2019-06-10 | 2024-05-07 | 河南理工大学 | Split type three-dimensional pressure device and strain waveform chart acquisition method |
| CN110987667A (en) * | 2019-12-09 | 2020-04-10 | 中南大学 | Rock high-temperature shear test device and method suitable for split Hopkinson bar |
| CN112858048A (en) * | 2021-01-19 | 2021-05-28 | 昆明理工大学 | Dynamic mechanical property testing device for blast hole filler and using method thereof |
| CN112858048B (en) * | 2021-01-19 | 2022-10-28 | 昆明理工大学 | Dynamic mechanical property testing device for blast hole filler and using method thereof |
| CN115436153A (en) * | 2022-08-15 | 2022-12-06 | 中国人民解放军空军工程大学 | Heating-constant temperature integrated device for Hopkinson pressure bar and operation method |
| CN115436153B (en) * | 2022-08-15 | 2023-08-18 | 中国人民解放军空军工程大学 | Heating-constant temperature integrated device for Hopkinson pressure bar and operation method |
| CN116642775A (en) * | 2023-07-26 | 2023-08-25 | 深圳市深勘工程咨询有限公司 | Testing device for underground space spalling strength |
| CN116642775B (en) * | 2023-07-26 | 2023-10-13 | 深圳市深勘工程咨询有限公司 | Testing device for underground space spalling strength |
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| GR01 | Patent grant | ||
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Granted publication date: 20140813 |