CN209690137U - Coarse-grained soil permeability critical gradient deformeter - Google Patents
Coarse-grained soil permeability critical gradient deformeter Download PDFInfo
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- CN209690137U CN209690137U CN201920424973.6U CN201920424973U CN209690137U CN 209690137 U CN209690137 U CN 209690137U CN 201920424973 U CN201920424973 U CN 201920424973U CN 209690137 U CN209690137 U CN 209690137U
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- sample bucket
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- pedestal
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Abstract
The utility model discloses coarse-grained soil permeability critical gradient deformeters, relate generally to detecting instrument field.Including pedestal, the bottom of pedestal is equipped with traveling wheel, pedestal is equipped with sample bucket, the top opening of sample bucket, opening is equipped with sealing device, the top of sample bucket is equipped with compacting block, the side of sample bucket is equipped with bracket, screw rod is rotatably connected on bracket, screw rod is arranged along short transverse, motor is fixed on bracket, the output shaft of motor is fixedly connected with screw rod, support rod is further fixed on bracket, header tank is fixed on pedestal, header tank is equipped with the second graduation mark, water supplying pipe is communicated between water feeding tank and sample bucket, one end that water supplying pipe is located in water feeding tank is fixed on floating block, outlet pipe is communicated between header tank and sample bucket.The utility model has the beneficial effects that: it can automatically adjust head difference, and more accurate to the reading of head difference, keep the measurement of data more accurate.
Description
Technical field
The utility model relates to detecting instrument fields, specifically coarse-grained soil permeability critical gradient deformeter.
Background technique
In view of the gradually serious of soil loss, available land quantity is caused sharply to reduce, therefore country is to soil erosion
Improvement also increasingly pay attention to, in the factors for judging soil erosion, infiltration gradient be a very crucial type factor, seep
Saturating gradient is the determinant of seepage deformation, and when infiltration gradient is greater than permissive permeability gradient, the soil body will generate seepage deformation, from
And phenomena such as causing soil erosion, therefore the measurement of permeability critical gradient has a very important significance the improvement in soil；It is existing
Some instruments usually use hydrostatic head method for the permeability critical gradient of coarse-grained soil, but take multiple groups number in measurement in measurement
According to when it is generally necessary to manually change head difference, use very inconvenient, and existing instrument is not specific in reading
Instruction causes the error of reading larger, because the original scale of construction of data is with regard to very little, the error of very little is easy for last result
Cause biggish deviation.
Utility model content
The purpose of this utility model is to provide coarse-grained soil permeability critical gradient deformeters, it can automatically adjust head
Difference, and it is more accurate to the reading of head difference, keep the measurement of data more accurate.
The utility model to achieve the above object, is achieved through the following technical solutions:
Coarse-grained soil permeability critical gradient deformeter, including pedestal, the bottom of the pedestal are equipped with traveling wheel, on the pedestal
Equipped with sample bucket, the top opening of the sample bucket, the opening is equipped with sealing device, and the top of the sample bucket is equipped with pressure
Real block, the side of the sample bucket are equipped with bracket, are rotatably connected to screw rod on the bracket, the screw rod is set along short transverse
It sets, motor is fixed on the bracket, the output shaft of the motor is fixedly connected with screw rod, and support is further fixed on the bracket
Bar, the support rod are equipped with the first graduation mark, and sliding block is slidably connected on the support rod, and the sliding block and screw flight connect
It connects, water feeding tank is fixed on the sliding block, floating has floating block in the water feeding tank, and inverted U frame is fixed on the floating block, described
Inverted U frame is located at one end outside water feeding tank equipped with pointer, and the pointer is parallel with the first graduation mark, and collection is fixed on the pedestal
Water tank, the header tank are equipped with the second graduation mark, water supplying pipe, the water supplying pipe are communicated between the water feeding tank and sample bucket
One end in water feeding tank is fixed on floating block, is communicated with outlet pipe between the header tank and sample bucket.
Further, the sealing device includes fixed ear, sealing ring, sealing cover, and the fixed ear is multiple and difference
The corresponding position of sealing cover and sample bucket is set, and the fixed ear on the sealing cover and the fixed ear on sample bucket pass through bolt
Connection, the sealing ring are arranged between sample bucket and sealing cover.
Further, the sealing cover is equipped with water injection pipe.
Further, the pointer is equipped with enlarging lens.
Further, the bracket is equipped with telescopic rod, and the telescopic rod is located at the surface of sample bucket, the compacting block
It is fixed on the movable end of telescopic rod bottom.
The prior art is compared, the utility model has the beneficial effects that:
1. the utility model is rotatablely connected screw rod, and the fixed company of the output shaft of one end of screw rod and motor on bracket
It connects, and is threadedly coupled sliding block on screw rod, water feeding tank is fixed on sliding block, and the rising of water feeding tank is driven by the rotation of motor
Or decline, so that the automatic change of head difference may be implemented by control motor, compared to manually changing the mode of head difference more
The convenience added greatly reduces labor intensity when measurement task amount is larger, improves measurement efficiency.
2. the floating block of floating is arranged in water feeding tank, inverted U frame is fixed on the floating block, the inverted U frame, which is located at, to be supplied
One end outside water tank is equipped with pointer, and the pointer is parallel with the first graduation mark, in the height change of water feeding tank, the pointer
Position changes correspondingly, and the position by observing pointer can more accurately be read, thus when reducing head difference reading
Error keeps the measurement of result more accurate.
Detailed description of the invention
Attached drawing 1 is the schematic perspective view of the utility model.
Attached drawing 2 is the top view of the utility model.
Attached drawing 3 is the left view of the utility model.
Attached drawing 4 is the cross-sectional view in the direction A in the attached drawing 3 of the utility model.
Attached drawing 5 is the partial enlarged view at the position B in the attached drawing 1 of the utility model.
Label shown in attached drawing:
1, pedestal；2, traveling wheel；3, sample bucket；4, compacting block；5, bracket；6, screw rod；7, motor；8, support rod；9,
One graduation mark；10, sliding block；11, water feeding tank；12, floating block；13, inverted U frame；14, pointer；15, header tank；16, the second scale
Line；17, water supplying pipe；18, outlet pipe；19, fixed ear；20, sealing ring；21, sealing cover；22, water injection pipe；23, enlarging lens；
24, telescopic rod.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please limited range.
Described in the utility model is coarse-grained soil permeability critical gradient deformeter, and main structure includes pedestal 1, the pedestal 1
For rectangle or circular stainless steel metal component, top is equipped with a station, is convenient for test experiments, the pedestal
1 bottom is equipped with traveling wheel 2, and the traveling wheel 2 is four, enhances stability, can be preferably universal wheel, convenient for device
Mobile, the pedestal 1 is equipped with sample bucket 3, and the sample bucket 3 is transparent material, can be plastics or glass material, in order to
It can be made cylinder, the top opening of the sample bucket 3 convenient for sealing, the opening is equipped with sealing device, guarantees device
Leakproofness, the guarantee of sealing is not through subject to air, and the top of the sample bucket 3 is equipped with compacting block 4, the compacting block
4 be metal block, positioned at the surface of sample bucket 3, can use compacting block 4 after pedotheque is placed in sample bucket 3 and carries out
Compacting operation, so as to the truth of more preferable simulation practically matter, the side welding of the sample bucket 3 or bolt are fixed with
Bracket 5, the bracket 5 welding or bolt are fixed on the top of pedestal 1, are rotatably connected to spiral shell by bearing on the bracket 5
Bar 6, the screw rod 6 are arranged along short transverse, and the upper and lower ends of the screw rod 6 are rotatably connected on bracket 5 by bearing, described
Bolt is fixed with motor 7 on bracket 5, and the motor 7 uses motor commonly used in the prior art, is specifically as follows specified function
The Y315L2-4 model motor that rate is 200 watts, the output shaft of the motor 7 are fixedly connected by shaft coupling with screw rod 6, are passed through
The rotation of motor 7 drives the rotation of screw rod 6, and support rod 8, the support rod 8 and screw rod 6 are also welded on the bracket 5
It is arranged in parallel, the support rod 8 is equipped with the first graduation mark 9, and first graduation mark 9 is using millimeter as minimum unit, Ke Yiyin
System is made by way of cutting, and sliding block 10 is slidably connected on the support rod 8, and the sliding block 10 is bar shape,
It which is provided with through-hole, threaded hole, the support rod 8 enables sliding block 10 to slide up and down on support rod 8 through through-hole, the cunning
Block 10 is threadedly coupled with screw rod 6, and the screw rod 6 is threadedly coupled with threaded hole, can be with 10 edge of movable slider by the rotation of screw rod 6
Support rod 8 moves up and down；
Bolt is fixed with water feeding tank 11 on the sliding block 10, and experimental water, the water feeding tank are filled in the water feeding tank 11
Floating has floating block 12 in 11, and the material that the floating block 12 can be less than water with wooden or color density is formed, can be swum in
On the water surface, 12 screwing of floating block is fixed with inverted U frame 13, and the both ends of the inverted U frame 13 are located at water feeding tank 11
Inside and outside, one end screw that the inverted U frame 13 is located at outside water feeding tank 11 is fixed with pointer 14, the pointer 14 and the first quarter
It is parallel to spend line 9, the pointer 14 is located at the surface of the first graduation mark 9, and the height at the both ends of the inverted U frame 13 is identical, because
The floating block 12 is swum on the water surface, therefore the position of pointer 14 is the position of the water surface, can be by pointer 14 at the first quarter
The position of the water surface is read in the position spent on line 9, keeps reading more accurate, error is smaller, and bolt, which is fixed with, on the pedestal 1 catchments
Case 15, the header tank 15 are equipped with the second graduation mark 16, and second graduation mark 16 is arranged on the side wall of header tank 15, with
The set-up mode of first graduation mark 9 is identical, and water supplying pipe 17, the water supplying pipe are communicated between the water feeding tank 11 and sample bucket 3
The 17 one end bolts being located in water feeding tank 11 are fixed on floating block 12, and one end that the water supplying pipe 17 is located at floating block 12 can be goed deep into
In water, it is communicated with outlet pipe 18 between the header tank 15 and sample bucket 3, is respectively provided with only on the water supplying pipe 17, outlet pipe 18
Water folder controls water flow on-off, and water flows through sample bucket 3 from water feeding tank 11 and then flows into header tank 15, flows into header tank by observation
The cloudiness of water in 15 can determine head difference when pedotheque deformation.
Preferably, the sealing device includes fixed ear 19, sealing ring 20, sealing cover 21, and the fixed ear 19 is multiple
And it is respectively welded at the corresponding position of sealing cover 21 and sample bucket 3, the fixed ear 19 is equipped with mounting hole, the sealing cover 21
On fixed ear 19 be bolted with the fixed ear 19 on sample bucket 3, the sealing cover 21 also be transparent components, with sample
The shape of bucket 3 is adapted, and bolt is inserted into corresponding mounting hole respectively and is realized fixation, and the sealing ring 20 is arranged in sample bucket
It is existing when installation that sealing ring 20 is placed between the opening of sample bucket 3 and sealing cover 21 between 3 and sealing cover 21, then utilize
Bolt is fixed by sealing cover 21, guarantees leakproofness, installs very convenient, good airproof performance.
Preferably, the sealing cover 21 is equipped with water injection pipe 22, and the water injection pipe 22 is connect with water supply devices such as water pumps, In
Passing through water injection pipe 22 before use and filling the water into sample bucket 3 is saturated pedotheque, is then being tested, for the progress of experiment
Do sufficient preparation.
Preferably, enlarging lens 23 are bonded on the pointer 14, the position of pointer 14 is observed by viewing magnifier piece 23
It sets, further increases the accuracy of reading.
Preferably, bolt is fixed with telescopic rod 24 on the bracket 5, and the telescopic rod 24 is pushed away using electricity in the prior art
Bar, the telescopic rod 24 are located at the surface of sample bucket 3, and the movable end of the telescopic rod 24 is located at bottom, the compacting
4 bolt of block is fixed on the movable end of 24 bottom of telescopic rod, and the fortune up and down of compacting block 4 may be implemented by controlling telescopic rod 24
It is dynamic, it is convenient that compacting operation is carried out to pedotheque.
Application method: soil pattern is placed on to the bottom of sample bucket 3 by the top opening of sample bucket 3 first when in use
Portion carries out compacting operation according to practical geology demand utilization compacting block 4, so that its data is more bonded actual geological condition, so
Be sealed afterwards using sealing device, close water supplying pipe 17 on tongs, by internal water flooding from water pump to sample bucket 3 until
Water stops supplying water after flowing out out of outlet pipe 18, and being then soaked for a period of time impregnates pedotheque completely, and original state supplies water
The position of case 11 is slightly above the position of header tank 15, then opens the tongs of water supplying pipe 17, and the water in sample bucket 3 passes through water outlet
Pipe 18 is flowed into header tank 15 in then sample bucket 3 and forms vacuum, is lauched in the siphonage of vacuum from water feeding tank 11 and flows into
The movement that water flow is realized in sample bucket 3, then carries out hydrostatic head method in the prior art and is tested, and passes through observation in reading
The position that pointer 14 is located at the first graduation mark 9 is read, and the error of reading is smaller, is supplied water after having surveyed one group of data by closing
Tongs on pipe 17, outlet pipe 18, then controlling the rotation of motor 7 makes sliding block 10 that water feeding tank 11 be driven to rise, and beats after stablizing
It opens tongs and repeats above-mentioned hydrostatic head method experimental test multi-group data, guarantee the accuracy of data.
Claims (5)
1. coarse-grained soil permeability critical gradient deformeter, it is characterised in that: including pedestal (1), the bottom of the pedestal (1) is equipped with row
Wheel (2) is walked, the pedestal (1) is equipped with sample bucket (3), and the top opening of the sample bucket (3), the opening is equipped with sealing
The top of device, the sample bucket (3) is equipped with compacting block (4), and the side of the sample bucket (3) is equipped with bracket (5), the bracket
(5) it being rotatably connected on screw rod (6), the screw rod (6) is arranged along short transverse, motor (7) are fixed on the bracket (5),
The output shaft of the motor (7) is fixedly connected with screw rod (6), is further fixed on support rod (8), the support on the bracket (5)
Bar (8) is equipped with the first graduation mark (9), slidably connects sliding block (10) on the support rod (8), the sliding block (10) and screw rod
(6) it is threadedly coupled, is fixed with water feeding tank (11) on the sliding block (10), floating has floating block (12), institute in the water feeding tank (11)
It states and is fixed on floating block (12) inverted U frame (13), the inverted U frame (13) is located at the one end of water feeding tank (11) outside equipped with pointer
(14), the pointer (14) is parallel with the first graduation mark (9), is fixed with header tank (15), the header tank on the pedestal (1)
(15) the second graduation mark (16) are equipped with, are communicated with water supplying pipe (17), the confession between the water feeding tank (11) and sample bucket (3)
Water pipe (17) is located at one end in water feeding tank (11) and is fixed on floating block (12), between the header tank (15) and sample bucket (3)
It is communicated with outlet pipe (18).
2. coarse-grained soil permeability critical gradient deformeter according to claim 1, it is characterised in that: the sealing device includes solid
Determine ear (19), sealing ring (20), sealing cover (21), the fixed ear (19) is multiple and is separately positioned on sealing cover (21) and examination
The corresponding position of sample bucket (3), the fixed ear (19) in fixed ear (19) and sample bucket (3) on the sealing cover (21) pass through spiral shell
It tethers and connects, the sealing ring (20) is arranged between sample bucket (3) and sealing cover (21).
3. coarse-grained soil permeability critical gradient deformeter according to claim 2, it is characterised in that: set on the sealing cover (21)
There are water injection pipe (22).
4. coarse-grained soil permeability critical gradient deformeter according to claim 1, it is characterised in that: the pointer (14) is equipped with
Enlarging lens (23).
5. coarse-grained soil permeability critical gradient deformeter according to claim 1, it is characterised in that: the bracket (5) is equipped with
Telescopic rod (24), the telescopic rod (24) are located at the surface of sample bucket (3), and the compacting block (4) is fixed on telescopic rod (24)
On the movable end of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424973.6U CN209690137U (en) | 2019-03-29 | 2019-03-29 | Coarse-grained soil permeability critical gradient deformeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424973.6U CN209690137U (en) | 2019-03-29 | 2019-03-29 | Coarse-grained soil permeability critical gradient deformeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209690137U true CN209690137U (en) | 2019-11-26 |
Family
ID=68606867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920424973.6U Expired - Fee Related CN209690137U (en) | 2019-03-29 | 2019-03-29 | Coarse-grained soil permeability critical gradient deformeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209690137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398133A (en) * | 2020-05-14 | 2020-07-10 | 江苏苏源工程检测有限公司 | Soil engineering penetration slope and fall tester |
| CN112049183A (en) * | 2020-09-04 | 2020-12-08 | 吉林大学 | Constant head water supply device capable of automatically adjusting height and use method |
-
2019
- 2019-03-29 CN CN201920424973.6U patent/CN209690137U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398133A (en) * | 2020-05-14 | 2020-07-10 | 江苏苏源工程检测有限公司 | Soil engineering penetration slope and fall tester |
| CN112049183A (en) * | 2020-09-04 | 2020-12-08 | 吉林大学 | Constant head water supply device capable of automatically adjusting height and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191126 Termination date: 20210329 |