CN205209940U - Multi -functional test instrument that stealthily loses - Google Patents
Multi -functional test instrument that stealthily loses Download PDFInfo
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- CN205209940U CN205209940U CN201521033527.0U CN201521033527U CN205209940U CN 205209940 U CN205209940 U CN 205209940U CN 201521033527 U CN201521033527 U CN 201521033527U CN 205209940 U CN205209940 U CN 205209940U
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- diving
- test instrument
- stealthily
- upper cover
- aperture
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Abstract
The utility model provides a multi -functional test instrument that stealthily loses, at least, including stealthily losing generating device, penetrant receiving arrangement, with water container who stealthily loses the generating device intercommunication and the pressurizing assembly who communicates with water container, it includes the upper cover stealthily to lose generating device, a pedestal, the gravel layer, the upper portion perforated plate, a lower part perforated plate and a transparent pressure section of thick bamboo, upper cover and base cover respectively and stealthily lose the emergence district in the upper end of a transparent pressure section of thick bamboo and lower extreme constitution, upper portion perforated plate and lower part perforated plate are located respectively and stealthily lose upper portion and the lower part that takes place the district, the gravel layer is located between upper cover and the upper portion perforated plate, seting up the inlet opening that communicates with transparent pressure section of thick bamboo inner chamber in the upper cover more than 1, being equipped with transparent pressure section of thick bamboo inner chamber of intercommunication and external delivery port on the base, penetrant receiving arrangement is located the delivery port below, this multi -functional test instrument that stealthily loses simple structure, convenient operation, test result accuracy, but the phenomenon developing process is lost in diving of direct observation sample, and this multi -functional test instrument that stealthily loses still can be used to decide flood peak permeability test.
Description
Technical field
The utility model relates to a kind of Multifunction diving corrosion test instrument, belongs to soil test technique field.
Background technology
Dive and lose phenomenon, i.e. coarse particle skeletal internal fine grained selectively erosion under infiltration water effect.For being easy to the Rock And Soil that weathers, once fine particle moves, the corresponding microscopical structure of Rock And Soil will along with change, and its shear resistance is by corresponding reduction, and inner hydraulics also will be undergone mutation.Many rock-fill dams accidents and geologic hazard occur all closely related with submarine erosion action.Method of testing and the engineering significance of dive erosion ratio and critical through pressure are mainly inquired in latent erosion simulated experiment, measure soil property of different nature latent erosion law of development.
Traditional test method is placed on by sample in rigidity drum, test is carried out under constant downward streamflow regime, owing to needing to be pressurizeed by pressue device before water flow test, easily the surface of sample is produced and wash away, little deformation failure is produced before making soil sample test, infiltration in addition in sample evenly can not infiltrate sample, the test findings of the erosion thus impact is dived.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides that a kind of structure is simple, easy to operate, test findings Multifunction diving corrosion test instrument accurately.
Realizing the technical scheme that the utility model object adopts is, a kind of Multifunction diving corrosion test instrument, at least comprise erosion generating means of diving, penetrating fluid receiving trap, the tank be communicated with latent erosion generating means and the pressure-applying unit be communicated with tank, described latent erosion generating means comprises upper cover, base, gravel bed, upper porous plate, lower perforated plate and transparent pressure cylinder, the top and bottom that upper cover and base cover in transparent pressure cylinder respectively form erosion generating region of diving, upper porous plate and lower perforated plate lay respectively at the upper and lower of erosion generating region of diving, gravel bed is between upper cover and upper porous plate, offer more than 1 inlet opening be communicated with transparent pressure tube inner chamber in upper cover, base is provided with and is communicated with transparent pressure tube inner chamber and extraneous water delivering orifice, and water delivering orifice is provided with the first valve, and penetrating fluid receiving trap is positioned at below water delivering orifice.
Described base is infundibulate, and water delivering orifice is positioned at the lower end of infundibulate base.
Offer 3 inlet openings in described upper cover, 3 inlet openings are distributed in the side in upper cover.
Erosion generating means of diving is communicated with by water inlet pipe group with tank, and water inlet pipe group is made up of with the pipe adapter being connected water inlet manifold and water inlet pipe water inlet manifold, 3 water inlet pipes, water inlet manifold is provided with the second valve and tensimeter.
The particle diameter of described gravel bed cobble-stone is 5 ~ 20mm.
The hole system of upper porous plate comprises the macropore in the middle part of being positioned at and around the aperture be distributed in around macropore, the aperture of macropore is 3 ~ 5mm, and the aperture of aperture is 0.5 ~ 2mm.
The hole system of lower perforated plate comprises the macropore in the middle part of being positioned at and around the aperture be distributed in around macropore, the aperture of macropore is 3 ~ 5mm, and the aperture of aperture is 0.5 ~ 2mm.
Described pressure-applying unit comprises the draft tube of air compressor machine and band operation valve and the 3rd valve, and air compressor machine is communicated with by draft tube with tank.
As shown from the above technical solution, in the Multifunction diving corrosion test instrument that the utility model provides, the top and bottom that the upper cover of latent erosion generating means and base cover in transparent pressure cylinder respectively form erosion generating region of diving, sample is placed in erosion generating region of diving, upper porous plate and lower perforated plate lay respectively at the upper and lower of erosion generating region of diving and contact with lower surface with sample upper surface, transparent pressure cylinder, upper porous plate and lower perforated plate fix sample jointly, the sample chance water avoiding inner structure loose caves in and causes the failure of an experiment, between upper cover and upper porous plate, gravel bed is set, because inlet opening is arranged in upper cover, therefore pressure (hydraulic) water directly enters gravel bed after flowing into from inlet opening, the hole of gravel bed inside slows down the flow velocity of pressure (hydraulic) water, pressure (hydraulic) water pack gravel layer is evenly infiltrated in sample by the hole of upper porous plate afterwards, avoid sample washing away directly by pressure (hydraulic) water, test findings is accurate, the latent erosion phenomenon evolution of sample directly can be observed by transparent pressure cylinder, this device also can be used for determining head permeability test, determines penetrating fluid receiving trap in head permeability test and selects graduated cylinder, is read the volume of infiltration water by graduated cylinder.
Offer 3 inlet openings in upper cover, 3 inlet openings are distributed in the side in upper cover, ensure that infiltration water evenly infiltrates; Base is infundibulate, and water delivering orifice is positioned at the lower end of infundibulate base, and this structure is easy to collect transudate; Upper porous plate and the preferred aperture of lower perforated plate, around the hole series structure of macropore, are convenient to oozing out simultaneously for sample provides enough Area of bearing of transudate.
Accompanying drawing explanation
The structural representation of the Multifunction diving corrosion test instrument that Fig. 1 provides for the utility model.
Wherein, 1-air compressor machine, 2-the 3rd valve, 3-operation valve, 4-second valve, 5-tensimeter, 6-water inlet pipe, 7-gravel bed, 8-upper cover, 9-upper porous plate, 10-transparent pressure cylinder, 11-lower perforated plate, 12-first valve, 13-penetrating fluid receiving trap, 14-water delivering orifice, 15-water inlet manifold, 16-tank, 17-draft tube, 18-base, 19-pipe adapter, 20-aperture, 21-macropore.
Embodiment
Illustrate in detail the utility model below in conjunction with drawings and Examples, content of the present utility model is not limited to following examples.
The Multifunction diving corrosion test instrument that the utility model provides, its structure as shown in Figure 1, comprise erosion generating means of diving, penetrating fluid receiving trap 13, the tank 16 be communicated with latent erosion generating means and the pressure-applying unit be communicated with tank 16, described latent erosion generating means comprises upper cover 8, base 18, gravel bed 7, upper porous plate 9, lower perforated plate 11 and transparent pressure cylinder 10, the top and bottom that upper cover 8 and base 18 cover in transparent pressure cylinder 10 respectively form erosion generating region of diving, upper porous plate 9 and lower perforated plate 11 lay respectively at the upper and lower of erosion generating region of diving, the hole series structure of upper porous plate and lower perforated plate is all for by the macropore 21 being positioned at middle part and the hole series structure formed around the aperture 20 be distributed in around macropore, the aperture of macropore is 5mm, the aperture of aperture is 2mm, gravel bed 7 is between upper cover 8 and upper porous plate 9, the particle diameter of gravel bed cobble-stone is 10mm, offer in upper cover 3 with the inlet opening of transparent pressure cylinder 10 inner space, 3 inlet openings are distributed in the side in upper cover, base 18 is in infundibulate, the lower end of base 18 is provided with and is communicated with transparent pressure tube inner chamber and extraneous water delivering orifice 14, water delivering orifice 14 is provided with the first valve 12, and penetrating fluid receiving trap 13 is positioned at below water delivering orifice 13, described latent erosion generating means is communicated with by water inlet pipe group with tank 16, and water inlet pipe group is made up of with the pipe adapter being connected water inlet manifold 15 and water inlet pipe 6 water inlet manifold 15,3 water inlet pipes 6, water inlet manifold is provided with the second valve 4 and tensimeter 5, described pressure-applying unit comprises the draft tube 17 of air compressor machine 1 and band operation valve 3 and the 3rd valve 2, and air compressor machine 1 is communicated with by draft tube 17 with tank 16.
When graduated cylinder selected by penetrating fluid receiving trap, then add one piece of permeable stone in the below of this device gravel bed, said apparatus also can be used for determining head permeability test, is read the volume of infiltration water by graduated cylinder.
Claims (8)
1. a Multifunction diving corrosion test instrument, at least comprise erosion generating means of diving, penetrating fluid receiving trap, lose the tank that generating means is communicated with and the pressure-applying unit be communicated with tank with latent, it is characterized in that: described latent erosion generating means comprises upper cover, base, gravel bed, upper porous plate, lower perforated plate and transparent pressure cylinder, the top and bottom that upper cover and base cover in transparent pressure cylinder respectively form erosion generating region of diving, upper porous plate and lower perforated plate lay respectively at the upper and lower of erosion generating region of diving, and gravel bed is between upper cover and upper porous plate; Offer more than 1 inlet opening be communicated with transparent pressure tube inner chamber in upper cover, base is provided with and is communicated with transparent pressure tube inner chamber and extraneous water delivering orifice, and water delivering orifice is provided with the first valve, and penetrating fluid receiving trap is positioned at below water delivering orifice.
2. Multifunction diving corrosion test instrument according to claim 1, it is characterized in that: described base is infundibulate, water delivering orifice is positioned at the lower end of infundibulate base.
3. Multifunction diving corrosion test instrument according to claim 1, it is characterized in that: offer 3 inlet openings in described upper cover, 3 inlet openings are distributed in the side in upper cover.
4. Multifunction diving corrosion test instrument according to claim 3, it is characterized in that: erosion generating means of diving is communicated with by water inlet pipe group with tank, water inlet pipe group is made up of with the pipe adapter being connected water inlet manifold and water inlet pipe water inlet manifold, 3 water inlet pipes, water inlet manifold is provided with the second valve and tensimeter.
5. the Multifunction diving corrosion test instrument according to claim 1 or 2 or 3 or 4, is characterized in that: the particle diameter of described gravel bed cobble-stone is 5 ~ 20mm.
6. the Multifunction diving corrosion test instrument according to claim 1 or 2 or 3 or 4, it is characterized in that: the hole of upper porous plate system comprises the macropore that is positioned at middle part and around the aperture be distributed in around macropore, the aperture of macropore is 3 ~ 5mm, and the aperture of aperture is 0.5 ~ 2mm.
7. the Multifunction diving corrosion test instrument according to claim 1 or 2 or 3 or 4, it is characterized in that: the hole of lower perforated plate system comprises the macropore that is positioned at middle part and around the aperture be distributed in around macropore, the aperture of macropore is 3 ~ 5mm, and the aperture of aperture is 0.5 ~ 2mm.
8. the Multifunction diving corrosion test instrument according to claim 1 or 2 or 3 or 4, is characterized in that: described pressure-applying unit comprises the draft tube of air compressor machine and band operation valve and the 3rd valve, and air compressor machine is communicated with by draft tube with tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033527.0U CN205209940U (en) | 2015-12-11 | 2015-12-11 | Multi -functional test instrument that stealthily loses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033527.0U CN205209940U (en) | 2015-12-11 | 2015-12-11 | Multi -functional test instrument that stealthily loses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205209940U true CN205209940U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033527.0U Expired - Fee Related CN205209940U (en) | 2015-12-11 | 2015-12-11 | Multi -functional test instrument that stealthily loses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205209940U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546506A (en) * | 2016-10-28 | 2017-03-29 | 河海大学 | The experimental provision and method of soil body contact scour under the conditions of a kind of normal stress |
| CN106918549A (en) * | 2017-04-14 | 2017-07-04 | 桂林理工大学 | A kind of temperature control lab simulation karst is dived the device of erosion |
| CN106950166A (en) * | 2017-04-14 | 2017-07-14 | 桂林理工大学 | A kind of device of the latent erosion of lab simulation karst |
| CN107064460A (en) * | 2017-04-14 | 2017-08-18 | 桂林理工大学 | A kind of model of indoor karst vacuum collapse |
| CN108645745A (en) * | 2018-05-16 | 2018-10-12 | 南昌大学 | A kind of latent corrosion test instrument and its analog detection method |
| CN114088920A (en) * | 2021-11-23 | 2022-02-25 | 贵州大学 | Rock soil material positive and negative pressure undermining test device |
-
2015
- 2015-12-11 CN CN201521033527.0U patent/CN205209940U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546506A (en) * | 2016-10-28 | 2017-03-29 | 河海大学 | The experimental provision and method of soil body contact scour under the conditions of a kind of normal stress |
| CN106546506B (en) * | 2016-10-28 | 2019-03-05 | 河海大学 | The experimental provision and method of soil body contact scour under the conditions of a kind of normal stress |
| CN106918549A (en) * | 2017-04-14 | 2017-07-04 | 桂林理工大学 | A kind of temperature control lab simulation karst is dived the device of erosion |
| CN106950166A (en) * | 2017-04-14 | 2017-07-14 | 桂林理工大学 | A kind of device of the latent erosion of lab simulation karst |
| CN107064460A (en) * | 2017-04-14 | 2017-08-18 | 桂林理工大学 | A kind of model of indoor karst vacuum collapse |
| CN108645745A (en) * | 2018-05-16 | 2018-10-12 | 南昌大学 | A kind of latent corrosion test instrument and its analog detection method |
| CN114088920A (en) * | 2021-11-23 | 2022-02-25 | 贵州大学 | Rock soil material positive and negative pressure undermining test device |
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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: 20160504 Termination date: 20181211 |