CN205879697U - A initiative confined pressure loading device for explosion bulge test - Google Patents
A initiative confined pressure loading device for explosion bulge test Download PDFInfo
- Publication number
- CN205879697U CN205879697U CN201620884963.7U CN201620884963U CN205879697U CN 205879697 U CN205879697 U CN 205879697U CN 201620884963 U CN201620884963 U CN 201620884963U CN 205879697 U CN205879697 U CN 205879697U
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- Prior art keywords
- pressure
- pressure chamber
- high pressure
- plug wiring
- wiring screw
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Abstract
The utility model discloses in, disclose an initiative confined pressure loading device for explosion bulge test, including liquid storage pot, pressure chamber, jack loading system, the utility model discloses a shortcoming that is used for under the confined pressure state explodeing the device of research to the sample, and through pressurizeing to water in inclosed pressure chamber, water acts on the sample and forms even confined pressure, makes the sample be in even confined pressure stress state, carries out the explosion bulge test, carries out the in -process of explosion bulge test under the confined pressure state, and payment to a porter pressure reduction room seal has been overcome to special round tray and top stopper wiring screw to the validity of test result is greatly improved.
Description
Technical field
This utility model relates to the confined pressure charger of rock sample in mechanical test, particularly relates to a kind of for explosion examination
The active confined pressure charger tested.
Background technology
Current world economy develops, and exploitation of coal resources gradually moves towards deep, and the current coal mining degree of depth reaches
1500m, deep mining has become normality.In underground engineering, deep rock mass has increasingly complex geomechanics background, thus
Its deformation embodied after stress, strength characteristics are different from superficial part rock mass, and along with the continuous liter of depth down ground temperature
Height, excavation and deep underground engineering to engineering can work the mischief.
Generally, compressive strength of rock can be obtained by the method for test with the relation of confined pressure load.Although
Sample being applied with confined pressure to a certain extent, but still suffers from a lot of defect, the appearance that such as stress is concentrated, stress distribution is uneven
Even；Owing to rock sample is when being subject to the least failure strain, will result in the premature degradation of its stress equilibrium, impact test
Effectiveness.The confined pressure load mode of deep rock mass analog simulation test at present is difficult to confined pressure being uniformly distributed on sample, special
It not for large-sized rock sample, it is difficult to realize constant load, constant strain rate and stress equalizing, and equipment is multiple
Miscellaneous, operating cost is high, has exceeded the cost-range that laboratory is afforded.Comparatively speaking, incompressible liquid adds confined pressure technology
There is the remarkable advantages such as confined pressure is evenly distributed, consumption is little, but how this technology is combined together into a difficulty with explosion
Topic, presently, there are following deficiency, the such as laying of detonator payment to a porter can affect the seal of hermetic container, and explosion wave is to test
The impact etc. of the disturbance of device.Therefore, develop a kind of novel active confined pressure loading equipemtn for explosion bulge test become current should
Field problem demanding prompt solution.
Summary of the invention
This utility model overcomes deficiency of the prior art, it is provided that a kind of novel active for explosion bulge test is enclosed
Pressure charger.
This utility model is achieved through the following technical solutions:
A kind of active confined pressure charger for explosion bulge test, including: fluid reservoir (1), pressure chamber (29), jack add
Loading system；
Liquidometer (2) is installed in described fluid reservoir (1) side, and top is provided with a liquid injecting pipeline (3), on liquid injecting pipeline (3)
Being mounted with to regulate valve (4), fluid reservoir (1) is connected by drain pipe road (7) and input duct (17) with pressure chamber (29), drain pipe
Road (7) is connected to the high pressure connection (14) of pressure chamber (29), is provided with and quantitatively adds pump (6) and effusion meter on drain pipe road (7)
(5), input duct (17) is connected to the high pressure connection (16) of pressure chamber (29), is provided with drawing liquid pump in input duct (17)
(18)；
Described pressure chamber (29) side has been respectively mounted high pressure connection (14) and high pressure connection (22), in high pressure connection (14)
High pressure valve (8) is installed in face, and high pressure connection (22) high pressure valve installed above (21), the side of pressure chamber (29) is mounted with liquid level
Meter (24), pressure chamber (29) bottom is mounted with a special round tray (27)；
Described special round tray (27) is provided with curved surface triangular baffle (26), special round tray (27) top-surface camber three
Round rubber pad (25), special round tray (27) and round rubber pad (25) it is lined with in dihedral baffle plate (26) enclosed region
Center has circular aperture, and the circular aperture at special round tray (27) middle part is top plug wiring screw hole (13), top plug
Having top plug wiring screw (28) in wiring screw hole (13), top plug wiring screw (28) is the threaded cylindrical structure of external belt,
Inside is laid with the wire that detonator payment to a porter is connected with instrument with strain brick, and top plug wiring screw (28) is internal posts hollow circuit cylinder
Shape rubber sheet gasket liner, scribbles flexible barrier glue between top plug wiring screw (28) and top plug wiring screw hole (13)；
Described jack loading system, is made up of top pressure piston (10) and computer system (23), and top pressure piston (10) is
Variable section structure, is formed by stacking by two two radiuses and the high concentric cylinder not waited, large radius cylinder under, smaller part
Footpath cylinder is upper, and top pressure piston (10) top i.e. large radius cylinder is cased with one layer of rubber layer (9), rubber layer at variable cross-section
(9) and fixing with bolt (12) between top pressure piston (10), the bottom on top pressure piston (10) is equipped with pressure transducer (11)；
Operation principle:
This utility model is to utilize quantitatively interpolation pump to inject water into pressure chamber, in airtight pressure chamber, jack makees
Top pressure piston press water, water to sample apply uniform confined pressure, treat confined pressure reach specify numerical value, will be equipped with the sample of explosive
Carry out the explosion under confined pressure state.
Compared with prior art, the utility model has the advantages that:
(1) this device is by constantly injecting water from fluid reservoir by quantitatively interpolation pump in pressure chamber, by quantitatively adding
Pump controls the speed of pumping, and the liquidometer of pressure chamber side stops pumping when arriving certain altitude；After test, by pressing
Leakage fluid dram bottom power room discharges water to fluid reservoir, it is achieved recycling of water；
(3) by special round tray and top plug wiring screw, priming device and confined pressure charger are combined, thunder
Pin line is drawn by top plug wiring screw, does not reduce seal when whole pressure chamber confined pressure loads；Curved surface three on pallet
Dihedral baffle plate, while stabilizing sample, it is simple to aligning of position, hole.
Accompanying drawing explanation
Fig. 1 is the active confined pressure charger schematic diagram for explosion bulge test of the present utility model；
Fig. 2 is the top of the present utility model pressure horizontal top view of piston and front view schematic diagram；
Fig. 3 is special round tray front view of the present utility model and the schematic diagram of top view；
In figure: regulation valve 4, liquidometer 2,24, fluid reservoir 1, effusion meter 5, quantitatively adds pump 6, high pressure valve
Door 8,19,21, high pressure connection 14,16,22, drawing liquid pump 18, pressure chamber 29, rubber layer 9, jack 10, pressure
Force transducer 11, fixing bolt 12, computer 23, round rubber pad 25, curved surface triangular baffle 26, special
Round tray 27, top plug wiring screw 28, sample 20, pressure piping 3,7,17, big gun hole 15, top plug wiring screw
Hole 13, pressure chamber 29
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings with specific embodiment party
This utility model is described in further detail by formula:
A kind of active confined pressure charger for explosion bulge test, including: fluid reservoir 1, pressure chamber 29, jack load system
System；
Liquidometer 2 is installed in described fluid reservoir 1 side, and top is provided with a liquid injecting pipeline 3, liquid injecting pipeline 3 is mounted with adjust
Joint valve 4, fluid reservoir 1 is connected by drain pipe road 7 and input duct 17 with pressure chamber 29, and drain pipe road 7 is connected to pressure chamber 29
High pressure connection 14, drain pipe road 7 is provided with and quantitatively adds pump 6 and effusion meter 5, input duct 17 is connected to pressure chamber 29
High pressure connection 16, is provided with drawing liquid pump 18 in input duct 17；
Described pressure chamber 29 side has been respectively mounted high pressure connection 14 and high pressure connection 22, high pressure connection 14 height installed above
Pressure valve 8, high pressure connection 22 high pressure valve installed above 21, the side of pressure chamber 29 is mounted with liquidometer 24, pressure chamber 29 end
Portion is mounted with a special round tray 27；
Described special round tray 27 is provided with curved surface triangular baffle 26, and special round tray 27 top-surface camber triangle keeps off
It is lined with round rubber pad 25, special round tray 27 and round rubber pad 25 center in the enclosed region of plate 26 and has circle
Aperture, the circular aperture in the middle part of special round tray 27 is top plug wiring screw hole 13, has top in the plug wiring screw hole 13 of top
Plug wiring screw 28, top plug wiring screw 28 is the threaded cylindrical structure of external belt, and inside is laid with detonator payment to a porter and strain
The wire that brick is connected with instrument, the internal hollow cylindrical rubber sheet gasket liner that posts of top plug wiring screw 28, top plug wiring spiral shell
Flexible barrier glue is scribbled between silk 28 and top plug wiring screw hole 13；
Described jack loading system, is made up of top pressure piston 10 and computer system 23, and top pressure piston 10 is variable cross-section
Structure, is formed by stacking by two two radiuses and the high concentric cylinder not waited, large radius cylinder under, minor radius cylinder
Body is upper, and top pressure piston 10 top i.e. large radius cylinder is cased with one layer of rubber layer 9, and at variable cross-section, rubber layer 9 is lived with top pressure
Fixing with bolt 12 between plug 10, the bottom of top pressure piston 10 is equipped with pressure transducer 11；
In conjunction with accompanying drawing 1, work process of the present utility model is illustrated:
First, cylindrical explosive is loaded the Pre-molded hole of sample, carry out stemming closure, reserve detonator payment to a porter.Thin with rubber
Film parcel sample, it is to avoid sample directly contacts with water, has aperture bottom rubber film, is used for passing detonator payment to a porter.Will parcel
Good sample is slowly put in the groove that the curved surface triangle in pressure chamber surrounds, and makes position, hole align；Haul out detonator payment to a porter, wear successively
Crossing rubber blanket film perforation, special round tray hole, top plug wiring screw 28 is internal, then top plug wiring screw 28 is loaded top plug wiring
Screw hole 13 seals.
Then, top pressure piston is put into pressure chamber, and checks that the seal of pressure chamber is the best.Open regulation valve 4, to
Inject water in water tank 1, observe liquid level in liquidometer 2, when liquid level reaches specified altitude assignment, close regulation valve 4；Open height
Pressure valve 8 and high pressure valve 21, add a certain amount of water in pressure chamber 29 by effusion meter 5 and the quantitative pump 7 that adds, observe liquidometer
The liquid level of 24, when liquid level reaches specified altitude assignment, closes high pressure valve 8；
Finally, treat that liquid level a period of time of liquidometer 24 stablizes constant, close high pressure valve 21, by under jack effect
Top pressure piston 10 water of compaction, water to sample apply uniform confined pressure, with this, sample is carried out confined pressure loading.The acquisition of confined pressure value
By pressure transducer, according to the size of the required confined pressure of experiment, it is pressurized to the confined pressure value specified.Treat confined pressure to the numerical value specified,
Stop pressurization, keep the explosion carrying out sample under stable confined pressure state.
Claims (1)
1. for an active confined pressure charger for explosion bulge test, including: fluid reservoir (1), pressure chamber (29), jack load
System；
Liquidometer (2) is installed in described fluid reservoir (1) side, and top is provided with a liquid injecting pipeline (3), and liquid injecting pipeline (3) is upper to be installed
Regulation valve (4), fluid reservoir (1) is connected by drain pipe road (7) and input duct (17) with pressure chamber (29), drain pipe road
(7) it is connected to the high pressure connection (14) of pressure chamber (29), drain pipe road (7) is provided with and quantitatively adds pump (6) and effusion meter
(5), input duct (17) is connected to the high pressure connection (16) of pressure chamber (29), is provided with drawing liquid pump in input duct (17)
(18)；
Described pressure chamber (29) side has been respectively mounted high pressure connection (14) and high pressure connection (22), and high pressure connection (14) is pacified above
Dress high pressure valve (8), high pressure connection (22) high pressure valve installed above (21), the side of pressure chamber (29) is mounted with liquidometer
(24), pressure chamber (29) bottom is mounted with a special round tray (27)；
Described special round tray (27) is provided with curved surface triangular baffle (26), special round tray (27) top-surface camber triangle
Round rubber pad (25), special round tray (27) and round rubber pad (25) middle part it is lined with in baffle plate (26) enclosed region
Place has circular aperture, and the circular aperture at special round tray (27) middle part is top plug wiring screw hole (13), top plug wiring
Having top plug wiring screw (28) in screw hole (13), top plug wiring screw (28) is the threaded cylindrical structure of external belt, internal
Being laid with the wire that detonator payment to a porter is connected with instrument with strain brick, top plug wiring screw (28) is internal posts hollow cylindrical rubber
Glue gasket liner, scribbles flexible barrier glue between top plug wiring screw (28) and top plug wiring screw hole (13)；
Described jack loading system, is made up of top pressure piston (10) and computer system (23), and top pressure piston (10) is cut for becoming
Face structure, is formed by stacking by two two radiuses and the high concentric cylinder not waited, large radius cylinder under, minor radius circle
Cylinder is upper, and top pressure piston (10) top i.e. large radius cylinder is cased with one layer of rubber layer (9), rubber layer (9) at variable cross-section
And fixing with bolt (12) between top pressure piston (10), the bottom on top pressure piston (10) is equipped with pressure transducer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884963.7U CN205879697U (en) | 2016-08-15 | 2016-08-15 | A initiative confined pressure loading device for explosion bulge test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884963.7U CN205879697U (en) | 2016-08-15 | 2016-08-15 | A initiative confined pressure loading device for explosion bulge test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879697U true CN205879697U (en) | 2017-01-11 |
Family
ID=57704255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620884963.7U Expired - Fee Related CN205879697U (en) | 2016-08-15 | 2016-08-15 | A initiative confined pressure loading device for explosion bulge test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879697U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807051A (en) * | 2017-11-23 | 2018-03-16 | 中南大学 | Simulate the experimental rig and test method of Blasting Excavation off-load under three-dimensional loading environment |
| CN108444831A (en) * | 2018-03-06 | 2018-08-24 | 安徽理工大学 | A kind of experimental provision for testing rock disturbance-elastic after effect |
| CN111912377A (en) * | 2020-06-24 | 2020-11-10 | 湘潭大学 | Method, system and equipment for acquiring similar experimental rock deformation monitoring data |
-
2016
- 2016-08-15 CN CN201620884963.7U patent/CN205879697U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807051A (en) * | 2017-11-23 | 2018-03-16 | 中南大学 | Simulate the experimental rig and test method of Blasting Excavation off-load under three-dimensional loading environment |
| CN108444831A (en) * | 2018-03-06 | 2018-08-24 | 安徽理工大学 | A kind of experimental provision for testing rock disturbance-elastic after effect |
| CN108444831B (en) * | 2018-03-06 | 2020-06-09 | 安徽理工大学 | Experimental device for be used for testing rock disturbance-elasticity after effect |
| CN111912377A (en) * | 2020-06-24 | 2020-11-10 | 湘潭大学 | Method, system and equipment for acquiring similar experimental rock deformation monitoring data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |