CN203894072U - Soil sampling and moisture measurement device for drip-irrigation trials - Google Patents
Soil sampling and moisture measurement device for drip-irrigation trials Download PDFInfo
- Publication number
- CN203894072U CN203894072U CN201320679024.5U CN201320679024U CN203894072U CN 203894072 U CN203894072 U CN 203894072U CN 201320679024 U CN201320679024 U CN 201320679024U CN 203894072 U CN203894072 U CN 203894072U
- Authority
- CN
- China
- Prior art keywords
- sampling
- drip irrigation
- screw thread
- pipe
- fixed bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a soil sampling and moisture measurement device for drip-irrigation trials, which comprises a positioning device, a sampling scale, a pushing device and a sampling drill pipe, wherein the pushing device consists of a threaded fulcrum bar, wherein the bottom end of the threaded fulcrum bar and a connecting bar are arranged together through pushing device fixed holes, a rocking handle is arranged at the top of the threaded fulcrum bar, and a spring is arranged on the threaded fulcrum bar and positioned below a moving scale; the sampling drill pipe is a hollow circular pipe with an edge seam, a hollow circular pipe threaded opening is formed in the top of the hollow circular pipe, and a wedge-shaped head is arranged on the tail end of the hollow circular pipe; and a circle center of an outer ring, a circle center of an inner ring, the center of the pushing device fixed hole and the center of a pushing device installing hole are in the same line. The device overcomes the defects that the existing single soil auger is time-wasting and labor-wasting to sample, has an impact on the trail results and the like, the trial cost can be lowered, the trial precision and the working efficiency can be improved to a greater extent.
Description
Technical field
The utility model relates to a kind of drip irrigation test soil sample and device for measuring moisture, belongs to field irrigation field.
Background technology
Drip irrigation is the extremely potential water-saving irrigation technique of one, along with the worsening shortages of China's agricultural water resources, drip irrigation has a extensive future China, therefore, drip irrigation technique is also the study hotspot in irrigation and drainage field always, and under condition of drip irrigation, Infiltration from Point Sources mechanism and soil liquid manure migration rule are the important contents of drip irrigation research.But concerning the test of drip irrigation Infiltration from Point Sources, how to obtain soil moisture numerical value by rational technological means is troubling problem always.
At present, to the test of soil moisture, mainly contain oven drying method, Neutron, TDR soil nmoisture content analyser, TRIME time-domain reflectomer, tensiometer etc. several.As high speed tester device, Neutron, TDR, TRIME etc. have advantages of Quick Measurement, and still, these testing tools all have certain adaptability to soil on the one hand, need to carry out instrumental correction before test, on the other hand, these instruments need pre-buried probe mostly, and test for drip irrigation, undoubtedly soil water movement is had a significant effect compared with burying too much probe in zonule underground, moreover, these instrument costs are higher, in fact, these instruments are more suitable for the spot sampling test of large-scale field, and for drip irrigation Infiltration from Point Sources, often use at present, the method that degree of recognition is higher is oven drying method, with an earth boring auger sampling, put into the oven dry of weighing after aluminium box, calculate soil moisture content by formula, oven drying method is the most classical current soil moisture testing method, also be the standard and judgment that other apparatus measures are proofreaied and correct.But current single earth boring auger sampling drying also has distinct disadvantage in the time carrying out the measurement of drip irrigation Infiltration from Point Sources: take time and effort, need people ceaselessly to use earth boring auger sampling, and along with the delay of time, distributed process again occurs in holard branch, this makes data lack representativeness in a sense.
Therefore, on this basis, develop a kind of soil sample and device for measuring moisture that can be applicable to drip irrigation test, improve efficiency and the accuracy of drip irrigation test, have great importance undoubtedly.
Utility model content
The utility model provides a kind of drip irrigation test soil sample and device for measuring moisture, having solved existing soil moisture testing method takes time and effort, need people ceaselessly to use earth boring auger sampling, and along with the delay of time, there is distributed process again in holard branch, this makes data lack the problems such as representative in a sense.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of drip irrigation test soil sampling apparatus, comprises locating device, sampling scale, thrust unit and sampling drilling pipe,
Described locating device comprises outer toroid, interior annulus and fixed bar, between described outer toroid and described interior annulus, be provided with the fixed bar groove that fixed bar is installed, described fixed bar is fixed together by fixed bar groove and outer toroid, interior annulus, described interior annulus and described outer toroid are fixed together by two cross one another connecting links, the sampling space that on described connecting link, promising sampling is set and reserve, is provided with thrust unit fixed orifice at the center of two cross one another connecting links;
Described sampling scale is rectangular slot, the two ends of described rectangular slot are provided with the connecting hole that is connected and fixed bar, the center of described rectangular slot arranges thrust unit mounting hole, between described connecting hole and thrust unit mounting hole, is provided with stopple coupon mounting groove;
Described thrust unit comprises screw thread pole, the bottom of described screw thread pole is installed together by thrust unit fixed orifice and connecting link, the top of described screw thread pole is provided with swinging handle, described swinging handle is positioned at the top of sampling scale, on described screw thread pole, spring is installed, described spring is positioned at the below of sampling scale;
Described sampling drilling pipe is one to have the hollow circular-tube of side seam, and the top of hollow circular-tube is hollow circular-tube screw thread mouth, can and use nut to be fixed on sampling scale through the rectangular slot of sampling scale, and the end of hollow circular-tube is wedge-like head;
The center of the center of circle of described outer toroid, the center of circle of interior annulus, thrust unit fixed orifice, the center of thrust unit mounting hole are on same straight line.
Further, a kind of preferred version of the present utility model: point centered by the center of circle of interior annulus, in described interior annulus and/or outer toroid, be carved with angle, on described connecting link, be carved with yardstick.In interior annulus or outer toroid, be carved with on angle, connecting link and be carved with yardstick, can ensure the accurate of sampling spot.
Further, a kind of preferred version of the present utility model: two described connecting links are mutually vertical.Two connecting links vertical setting mutually, outward appearance grace, good stability.
Further, a kind of preferred version of the present utility model: the number of described sampling scale is two.The quantity of sampling scale can be according to test increase and decrease, generally preferably two.
Further, a kind of preferred version of the present utility model: one end of described fixed bar is provided with fixed bar screw thread mouth, described fixed bar coordinates by fixed bar screw thread mouth and nut, is fixed on connecting link.
Further, a kind of preferred version of the present utility model: the bottom of described screw thread pole is fixed together by nut and connecting link.Fixed bar and screw thread pole are fixed together by nut and connecting link, simple in structure, easy accessibility.
Further, a kind of preferred version of the present utility model: described hollow circular-tube is combined by several hollow sub-pipes, described hollow son pipe one end is pin thread interface, and the described hollow sub-pipe other end is female screw interface, and described hollow sub-pipe interconnects by screw thread.
Further, a kind of preferred version of the present utility model: the pipe shaft of described hollow sub-pipe is carved with numbering.
Hollow circular-tube is made up of multiple hollow sub-pipes, can require according to sampling depth the drilling pipe of one-tenth different length capable of being combined, and the contained each sub-pipe pipe shaft of different drilling pipes is carved with numbering, convenient examination.After sampling finishes, this sub-pipe can be taken off, be placed on to dry on test pallet support and directly put into oven for drying.
A kind of drip irrigation test soil sample and device for measuring moisture, comprise sampler described in the utility model, dry test pallet and chamber, described oven dry test pallet is one and is with standoff chassis, described chassis is elongated ellipse peviform, middle recessed, the longitudinal section of described support is Y type, and described sampler and described oven dry test pallet are placed in chamber.
Drying test pallet is that chassis is elongated ellipse peviform, middle recessed, like this in the time that hollow sub-pipeclay sample is dried, can conveniently accept and collect hollow son pipe and dry the soil sample part that drops, in order to avoid there is error.Two " Y " type supports are connected on chassis, dry space-time center pipe and are directly placed in two stands wooden fork place, and cantilever tip can continue to lay pallet, pallet can be superposeed in baking oven always, make full use of oven space, improve soil sample drying efficiency, reduce and dry sample cost.
The beneficial effects of the utility model:
A kind of drip irrigation test soil sample of the present utility model and device for measuring moisture have ensured the classical and feasibility in theory of sampling and test, and meanwhile, having overcome existing single earth boring auger sampling wastes time and energy, test findings is had the shortcomings such as impact; Compared with other testing apparatuss, reduce experimentation cost, improve to a greater extent precision and the work efficiency of test.
Device easy accessibility of the present utility model, can be by putting into chamber after different parts dismounting, easy to carry, is all convenient to operation in testing laboratory and field.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation sketch of an embodiment of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 2 is the structural representation sketch of another embodiment of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 3 is the structural representation sketch of the locating device of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 4 is the structural representation sketch of the fixed bar of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 5 is the structural representation sketch of the sampling scale of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 6 is the structural representation sketch of the sampling drilling pipe of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 7 is the structural representation sketch of the hollow sub-pipe of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 8 is the structural representation sketch of the thrust unit of drip irrigation test soil sampling apparatus of the present utility model;
Fig. 9 is the structural representation sketch of the oven dry test pallet of drip irrigation test soil sampling apparatus of the present utility model;
Figure 10 is the right view of Fig. 9;
Figure 11 is the structural representation sketch of the chamber of drip irrigation test soil sampling apparatus of the present utility model;
In figure, 10 is thrust unit, 11 is screw thread pole, 12 is swinging handle, 13 is spring, 20 is sampling scale, 21 is connecting hole, 22 is rectangular slot, 23 is stopple coupon mounting groove, 24 is thrust unit mounting hole, 30 is locating device, 31 is outer toroid, 32 is interior annulus, 33 is fixed bar groove, 34 is connecting link, 35 is sampling space, 36 is thrust unit fixed orifice, 37 is fixed bar, 38 is fixed bar screw thread mouth, 40 is sampling drilling pipe, 41 is hollow circular-tube screw thread mouth, 42 is hollow son pipe, 43 is wedge-like head, 50 for drying test pallet, 51 is support, 52 is chassis, 60 is chamber.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
As shown in Fig. 1,3-11, a kind of drip irrigation test soil sampling apparatus, comprises locating device 30, sampling scale 20, thrust unit 10 and sampling drilling pipe 40,
Locating device 30 comprises outer toroid 31, interior annulus 32 and fixed bar 37, between outer toroid 31 and described interior annulus 32, be provided with the fixed bar groove 33 that fixed bar 37 is installed, interior annulus 32 is fixed together by two vertical connecting links 34 of mutual intersection with described outer toroid 31, the sampling being provided with on described connecting link 34 and the sampling space 35 that reserves, be provided with thrust unit fixed orifice 36 at two cross one another connecting link 34 centers, one end of described fixed bar 37 is provided with fixed bar screw thread mouth 38, described fixed bar 37 coordinates by fixed bar screw thread mouth 38 and nut, be fixed on connecting link 34,
Described sampling scale 20 is rectangular slot 22, the two ends of described rectangular slot 22 are provided with the connecting hole 21 that is connected and fixed bar 37, described rectangular slot 22 center arranges thrust unit mounting hole 24, between described connecting hole 21 and thrust unit mounting hole 24, is provided with stopple coupon mounting groove 23;
Described thrust unit 10 comprises screw thread pole, the bottom of described screw thread pole 11 is installed together by thrust unit fixed orifice 36 and connecting link 34, the top of described screw thread pole 11 is provided with swinging handle 12, described swinging handle 12 is positioned at the top of sampling scale 20, on described screw thread pole 11, spring 13 is installed, described spring 13 is positioned at the below of sampling scale 20;
Described sampling drilling pipe 40 is one to have the hollow circular-tube of side seam, and the top of hollow circular-tube is hollow circular-tube screw thread mouth 41, can and use nut to be fixed on sampling scale 20 through the rectangular slot 22 of sampling scale 20, and the end of hollow circular-tube is wedge-like 43;
The center of circle of described outer toroid 31, the center of circle of interior annulus 32, thrust unit fixed orifice 36 center, thrust unit mounting hole 24 center are on same straight line.
Sampling scale 20 of the present utility model has two, is fixed on locating device 30 by four fixed bars 37, and sampling drilling pipe 40 has 6, on each sampling scale 20, fixes 3.
Preferably: point centered by the center of circle of interior annulus 32, in described interior annulus 32 and/or outer toroid 31, be carved with angle, on described connecting link 34, be carved with yardstick.In interior annulus 32 or outer toroid 31, be carved with on angle, connecting link 34 and be carved with yardstick, can ensure the accurate of sampling spot.
Preferably: described hollow circular-tube is combined by several hollow son pipes 42, described hollow son pipe 42 one end are pin thread interface, described hollow son pipe 42 other ends are female screw interface, described hollow son pipe 42 interconnects by screw thread, and the pipe shaft of described hollow son pipe 42 is carved with numbering.
Hollow circular-tube is made up of multiple hollow son pipes 42, can require according to sampling depth the drilling pipe of one-tenth different length capable of being combined, and the pipe shaft of the contained hollow son pipe 42 of different drilling pipes is carved with numbering, convenient examination.After sampling finishes, this sub-pipe can be taken off, be placed on to dry on test pallet 50 supports 51 and directly put into oven for drying.
A kind of drip irrigation test soil sample and device for measuring moisture, comprise sampler, dry test pallet 50 and chamber 60, described oven dry test pallet 50 comprises that is with a standoff chassis 52, described chassis 52 is elongated ellipse peviform, middle recessed, the longitudinal section of described support 51 is Y type, and described sampler and described oven dry test pallet 50 are placed in chamber 60.
The using method of a kind of drip irrigation test soil sample of the present utility model and device for measuring moisture:
1) in drip irrigation Infiltration from Point Sources process, can open chamber 60, therefrom take out each parts of sampler, especially determine the quantity of sampling scale 20 and sampling drilling pipe 40 by testing requirements;
2), according to drip irrigation sample position, in conjunction with the angle on the inside and outside annulus of locating device 30, fixed bar 37 use nuts are fixed on inside and outside annulus;
3) the screw thread pole 11 in thrust unit 10 is fixed to moving device fixed orifice place, spring 13 is placed on screw thread pole 11; Meanwhile, according to the degree of depth and the distance of sampling, hollow son pipe 42 is combined into sampling drilling pipe 40, before combination, makes to weigh with scale and record the weight of every height pipe, rear with reference to the scale on sampling scale 20, sampling drilling pipe 40 is screwed up and sampled on scale 20;
4) by putting it on corresponding fixed bar 37 with the sampling scale 20 of sampling drilling pipe 40, on screw thread pole 11, load onto swinging handle 12 simultaneously.
5) when off-test starts to sample, whole device is placed in to required resample area top, the center of circle of thrust unit fixed orifice 36 is placed under water dropper, in conjunction with the on-the-spot correctness of again determining sampling spot;
6) swinging handle 12 is downward, slowly sampling drilling pipe 40 is pushed to soil, and according to drilling pipe high scale, until after predetermined buried depth, swinging handle 12 has upwards shaken, spring 13 pops up sampling scale 20, and then sampling drilling pipe 40 is taken out of;
7) sampling drilling pipe 40 is taken off, resolve into each hollow son pipe 42, hollow son pipe 42 weight that make to weigh with scale, are placed on and dry on test pallet 50, put into oven for drying, measure each hollow son pipe 42 weight after drying, and calculate soil quality water percentage according to formula.
Embodiment 2
As shown in Fig. 2-11, a kind of drip irrigation test soil sample and device for measuring moisture, its basic composition is identical with embodiment 1, and difference is: sampling scale 20 is one, be fixed on locating device 30 by two fixed bars 37, on sampling scale 20, be provided with 4 sampling drilling pipes 40.
The shape of the sampling scale 20 in the present embodiment is not limited to rectangle, can be square, oval etc., and the number of sampling scale 20 and sampling drilling pipe 40 can be according to actual conditions setting, is not limited to the cited quantity of embodiment of the present utility model.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a drip irrigation test soil sampling apparatus, is characterized in that: comprise locating device, sampling scale, thrust unit and sampling drilling pipe,
Described locating device comprises outer toroid, interior annulus and fixed bar, between described outer toroid and described interior annulus, be provided with the fixed bar groove that fixed bar is installed, described fixed bar is fixed together by fixed bar groove and outer toroid, interior annulus, described interior annulus and described outer toroid are fixed together by two cross one another connecting links, the sampling space that on described connecting link, promising sampling is set and reserve, is provided with thrust unit fixed orifice at the center of two cross one another connecting links;
Described sampling scale is rectangular slot, the two ends of described rectangular slot are provided with the connecting hole that is connected and fixed bar, the center of described rectangular slot arranges thrust unit mounting hole, between described connecting hole and thrust unit mounting hole, is provided with stopple coupon mounting groove;
Described thrust unit comprises screw thread pole, the bottom of described screw thread pole is installed together by thrust unit fixed orifice and connecting link, the top of described screw thread pole is provided with swinging handle, described swinging handle is positioned at the top of sampling scale, on described screw thread pole, spring is installed, described spring is positioned at the below of sampling scale;
Described sampling drilling pipe is one to have the hollow circular-tube of side seam, and the top of hollow circular-tube is hollow circular-tube screw thread mouth, can and use nut to be fixed on sampling scale through the rectangular slot of sampling scale, and the end of hollow circular-tube is wedge-like head;
The center of the center of circle of described outer toroid, the center of circle of interior annulus, thrust unit fixed orifice, the center of thrust unit mounting hole are on same straight line.
2. a kind of drip irrigation test soil sampling apparatus according to claim 1, is characterized in that: point centered by the center of circle of interior annulus, in described interior annulus and/or outer toroid, be carved with angle, and on described connecting link, be carved with yardstick.
3. a kind of drip irrigation test soil sampling apparatus according to claim 1, is characterized in that: two described mutual cross connection bars are mutually vertical.
4. a kind of drip irrigation test soil sampling apparatus according to claim 1, is characterized in that: the number of described sampling scale is two.
5. a kind of drip irrigation test soil sampling apparatus according to claim 1, is characterized in that: one end of described fixed bar is provided with fixed bar screw thread mouth, and described fixed bar coordinates by fixed bar screw thread mouth and nut, is fixed on connecting link.
6. a kind of drip irrigation test soil sampling apparatus according to claim 1, is characterized in that: the bottom of described screw thread pole is fixed together by nut and connecting link.
7. a kind of drip irrigation test soil sampling apparatus according to claim 1, it is characterized in that: described hollow circular-tube is combined by several hollow sub-pipes, described hollow son pipe one end is pin thread interface, the described hollow sub-pipe other end is female screw interface, and described hollow sub-pipe interconnects by screw thread.
8. a kind of drip irrigation test soil sampling apparatus according to claim 7, is characterized in that: the pipe shaft of described hollow sub-pipe is carved with numbering.
9. a drip irrigation is tested soil sample and device for measuring moisture, it is characterized in that: comprise sampler, oven dry test pallet and chamber as described in claim 1-8, described oven dry test pallet is one and is with standoff chassis, described chassis is elongated ellipse peviform, middle recessed, the longitudinal section of described support is Y type, and described sampler and described oven dry test pallet are placed in chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679024.5U CN203894072U (en) | 2013-10-30 | 2013-10-30 | Soil sampling and moisture measurement device for drip-irrigation trials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679024.5U CN203894072U (en) | 2013-10-30 | 2013-10-30 | Soil sampling and moisture measurement device for drip-irrigation trials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894072U true CN203894072U (en) | 2014-10-22 |
Family
ID=51720462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320679024.5U Withdrawn - After Issue CN203894072U (en) | 2013-10-30 | 2013-10-30 | Soil sampling and moisture measurement device for drip-irrigation trials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203894072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604661A (en) * | 2013-10-30 | 2014-02-26 | 中国农业科学院农田灌溉研究所 | Apparatus used for soil sampling and moisture measuring in drip irrigation tests |
| CN107690929A (en) * | 2017-10-09 | 2018-02-16 | 江苏省农业科学院 | A kind of irrigation system available for drip irrigation pipe dropping liquid amount uniformity test |
| CN110208135A (en) * | 2019-05-31 | 2019-09-06 | 重庆工商大学融智学院 | A kind of data acquisition and analysis system of ecological environment |
-
2013
- 2013-10-30 CN CN201320679024.5U patent/CN203894072U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604661A (en) * | 2013-10-30 | 2014-02-26 | 中国农业科学院农田灌溉研究所 | Apparatus used for soil sampling and moisture measuring in drip irrigation tests |
| CN103604661B (en) * | 2013-10-30 | 2015-08-19 | 中国农业科学院农田灌溉研究所 | A kind of drip irrigation test soil sample and device for measuring moisture |
| CN107690929A (en) * | 2017-10-09 | 2018-02-16 | 江苏省农业科学院 | A kind of irrigation system available for drip irrigation pipe dropping liquid amount uniformity test |
| CN110208135A (en) * | 2019-05-31 | 2019-09-06 | 重庆工商大学融智学院 | A kind of data acquisition and analysis system of ecological environment |
| CN110208135B (en) * | 2019-05-31 | 2022-03-25 | 重庆工商大学融智学院 | Data acquisition and analysis system for ecological environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204405364U (en) | A kind of soil sampling apparatus | |
| CN207095895U (en) | A kind of Soil K+adsorption sampler | |
| CN203385582U (en) | Soil auger with ruler | |
| CN203894072U (en) | Soil sampling and moisture measurement device for drip-irrigation trials | |
| CN209673406U (en) | A kind of multi-functional soil sampler | |
| CN206627310U (en) | A kind of soil monitoring sampler | |
| CN205209677U (en) | Dilatometer of bulging force is measured to permanent volumetric method | |
| CN103604661B (en) | A kind of drip irrigation test soil sample and device for measuring moisture | |
| CN203824791U (en) | Improved soil sampling device | |
| CN205898732U (en) | But bluetooth formula soil moisture apparatus of layering survey | |
| CN205352738U (en) | Be used for heavy metal to detect with soil sample collection ware | |
| CN105068154B (en) | Density of snow snow depth determining instrument | |
| CN205448930U (en) | Semi rigid base course priming oil depth of penetration dipperstick | |
| CN206431008U (en) | A kind of concrete slump detection means | |
| CN105510179A (en) | Automatic soil density measurer based on cutting-ring method | |
| CN206073898U (en) | A kind of 5 points of sampling method auxiliary appliances of Detachable type portable | |
| CN102590486B (en) | Cement paste water cement ratio meter and use method thereof | |
| CN208223850U (en) | A kind of accurate drawing out soil equipment of soil profile for Karst region | |
| CN109459263A (en) | A kind of agricultural technology extension soil sampling apparatus | |
| CN213363647U (en) | Hydraulic ring geological crack measuring device | |
| CN210180311U (en) | Portable device for measuring grass yield | |
| CN210766700U (en) | On-spot detector of backfill compactness | |
| CN204855843U (en) | Dark determining instrument of snow density snow | |
| CN204718655U (en) | A kind of portable multi-function flow measurement bar | |
| CN209764465U (en) | Civil engineering soil sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20150819 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |