技术领域technical field
本发明涉及土壤取土工具技术领域，尤其涉及一种便捷的原状土壤取土器。The invention relates to the technical field of soil fetching tools, in particular to a convenient undisturbed soil fetching device.
背景技术Background technique
土壤是农业生产获得高产、优质、高效的资源之一，原状土体模拟实验是农业和生态领域研究土壤养分、微量元素、水盐运移特征的重要手段，而土壤容重、空隙度等物理性状的测定都需要在原状土柱上进行，原状土柱的采集直接影响着此类研究工作的准确性和科学性。Soil is one of the high-yield, high-quality, and efficient resources for agricultural production. The undisturbed soil simulation experiment is an important means to study soil nutrients, trace elements, and water-salt migration characteristics in the field of agriculture and ecology. Physical properties such as soil bulk density and porosity All measurements need to be carried out on undisturbed soil columns, and the collection of undisturbed soil columns directly affects the accuracy and scientific nature of such research work.
目前，原状土柱的采集方式主要有剖面取土和土钻取土两大类。剖面取土是在野外利用天然或原有地形落差，或者人工挖掘剖面坑等方式采集原状土柱，这种方式虽然可以获得相对高质量的原状土柱，但是人力劳动强度大、耗时长、效率低，仅适用于大型标本采集和教学示范。At present, the collection methods of the undisturbed soil column mainly fall into two categories: profile sampling and soil drilling. The section soil collection is to collect the undisturbed soil column in the field by using the natural or original terrain drop, or manually excavating the profile pit. Although this method can obtain a relatively high-quality undisturbed soil column, it is labor-intensive, time-consuming, and inefficient. Low, only suitable for large-scale specimen collection and teaching demonstration.
而当前研究中常用的是各类原状土采样器，包括电动或手动方式，但电动取土装置，因其野外动力的限制或者复杂、昂贵等原因未能被广泛推广；手动取土工具主要有直压式和旋转式两种方式，直压式是通过锤击或辅助外力进入土壤中，这个过程容易因锤击或加压等人为施力不均对土样边缘产生扰动；旋转式取样设备可以通过旋转切割出土柱，土柱直接被送进采样容器，相对于直压式可减少对土壤的扰动。如现有技术公开了一种旋转式原状土采集设备，该设备虽然可以在一定程度上减低采样过程对土体的扰动，但是缺少固定装置，在使用过程中容易由于人为施力不均，以及地形、地质等因素不能保证所取土样的垂直性；另外，采集完成后从采样管中取土时，推动活动杆将土体推出，这个过程又容易对土体造成再次挤压，尤其是相对松软的土壤，会造成土体原状结构的破坏。In the current research, all kinds of undisturbed soil samplers are commonly used, including electric or manual methods, but the electric soil fetching device has not been widely promoted because of the limitation of field power, complexity, and expense; manual soil fetching tools mainly include There are two methods: direct pressure type and rotary type. The direct pressure type enters the soil by hammering or auxiliary external force. This process is easy to disturb the edge of the soil sample due to artificial force such as hammering or pressure; rotary sampling equipment The soil column can be cut by rotation, and the soil column is directly sent into the sampling container, which can reduce the disturbance to the soil compared with the direct pressure type. For example, the prior art discloses a rotary undisturbed soil collection device. Although the device can reduce the disturbance of the soil during the sampling process to a certain extent, it lacks a fixing device, and it is easy to be uneven due to artificial force during use, and Factors such as topography and geology cannot guarantee the verticality of the soil samples taken; in addition, when the soil is taken from the sampling tube after the collection is completed, the movable rod is pushed to push the soil out. Relatively soft soil will cause damage to the original structure of the soil.
综上，现有原状土取样装置具有取土不便或难以保障所取土体原状结构的缺陷，急需一种改进设备来进行取样，弥补传统取土器的不足，为原状土壤取样提供便利。In summary, the existing undisturbed soil sampling device has the disadvantages of inconvenient soil sampling or difficulty in ensuring the undisturbed soil structure. An improved equipment is urgently needed for sampling, which can make up for the shortcomings of traditional soil sampling devices and provide convenience for undisturbed soil sampling.
发明内容Contents of the invention
针对上述缺陷或不足，本发明的目的在于提供一种便捷的原状土壤取土器，适用于深层原状土体采集需求。In view of the above-mentioned defects or deficiencies, the object of the present invention is to provide a convenient undisturbed soil fetcher, which is suitable for collecting undisturbed deep soil.
本发明的技术方案为：Technical scheme of the present invention is:
一种便捷的原状土壤取土器，包括底座、钻管、取样管、以及脱样器；其中，所述底座固定安装于待取样地面；所述钻管卡合于底座中，钻管顶部设置有用于带动钻管旋转的手柄，钻管的底部设置有垂直螺旋分布的取样刃口；所述取样管套设于钻管内，且取样管能够沿钻管内壁上下滑动；脱样器包括设置于取样管顶部的脱样活塞，脱样活塞上设置有凸露于手柄之外的脱样把手。A convenient undisturbed soil fetcher, comprising a base, a drill pipe, a sampling pipe, and a sample remover; wherein, the base is fixedly installed on the ground to be sampled; the drill pipe is engaged in the base, and the top of the drill pipe is provided with a useful For the handle that drives the drill pipe to rotate, the bottom of the drill pipe is provided with a sampling edge that is vertically distributed in a spiral; the sampling pipe is sleeved in the drill pipe, and the sampling pipe can slide up and down along the inner wall of the drill pipe; The sample removal piston on the top of the tube is provided with a sample removal handle protruding from the handle.
还包括用于切割土壤的切土刀。Also included is a soil cutter for cutting through the soil.
所述切土刀前段为半圆状结构，且半圆状结构直径小于样管内径，切土刀的刀体的前段具有刀头刃口，后段具有刀体手柄。The front section of the soil cutter is a semicircular structure, and the diameter of the semicircular structure is smaller than the inner diameter of the sample tube. The front section of the cutter body of the soil cutter has a cutting edge, and the rear section has a cutter body handle.
所述取样管为两个半圆柱管构成，所述半圆柱管通过锁止键扣合。The sampling tube is composed of two semi-cylindrical tubes, and the semi-cylindrical tubes are fastened together by locking keys.
所述取样管外壁上设置有第一刻度。A first scale is arranged on the outer wall of the sampling tube.
所述钻管外壁上设置有第二刻度。A second scale is arranged on the outer wall of the drill pipe.
所述钻管顶部的手柄通过中空连接杆与钻管相连接，钻管外壁设有外置螺纹。The handle at the top of the drill pipe is connected with the drill pipe through a hollow connecting rod, and the outer wall of the drill pipe is provided with external threads.
所述底座中心为内置有螺纹的固定螺帽，且固定螺帽的内置螺纹与钻管外壁的外置螺纹相啮合。The center of the base is a fixed nut with built-in threads, and the built-in threads of the fixed nut engage with the external threads of the outer wall of the drill pipe.
所述固定螺帽两端设置有脚踏板，脚踏板上设有用于增加脚踏摩擦力的防滑纹。The two ends of the fixing nut are provided with pedals, and the pedals are provided with anti-slip lines for increasing the friction force of the pedals.
所述固定螺帽的底端设有将底座压入土壤的螺帽刃口。The bottom end of the fixing nut is provided with a nut cutting edge for pressing the base into the soil.
与现有技术比较，本发明的有益效果为：Compared with prior art, the beneficial effects of the present invention are:
本发明提供的原状土壤取土器，通过底座起到固定作用，保证取样的垂直性，同时，又能够与钻管构成螺旋结构，便于进入土壤和提拉出土壤，降低劳动强度；而旋切取样方式，在取样时可以做到不扰动或轻微扰动土壤，保障了所取土体的原状特性，在取样后的脱样过程，程脱样活塞作用于取样管而非所取土体，避免了传统脱样过程脱样活塞对所取土体的再次挤压，进一步保障了土体的原状特性，满足深层原状土体采集需求，降低劳动强度。The undisturbed soil soil fetcher provided by the present invention plays a fixed role through the base to ensure the verticality of sampling. At the same time, it can form a spiral structure with the drill pipe, which is convenient for entering and pulling out the soil, and reduces labor intensity; while rotary cutting sampling In this way, the soil can be undisturbed or slightly disturbed during sampling, which ensures the original characteristics of the sampled soil. During the desampling process after sampling, the desampling piston acts on the sampling tube instead of the sampled soil, avoiding the In the traditional sample removal process, the re-extrusion of the sample removal piston on the sampled soil further ensures the original characteristics of the soil, meets the needs of deep undisturbed soil collection, and reduces labor intensity.
进一步地，本发明取样管的设计既可以用作采样后原状土体的运输工具，又可以根据研究需求利用切土刀切割出所需土层深度的土壤，用于测定土壤基础理化性状及容重、空隙度、体积含水率等需要原状土进行测定的指标。综上，本发明可以满足不同深度原状土体的取样需求，对研究土壤资源具有非常重要的意义。Further, the design of the sampling tube of the present invention can be used as a transportation tool for the undisturbed soil body after sampling, and can be used to cut out the soil at the required depth of the soil layer with a soil cutter according to the research needs, and is used to measure the physical and chemical properties and bulk density of the soil foundation. , porosity, volume moisture content and other indicators that need to be measured in undisturbed soil. In summary, the present invention can meet the sampling requirements of undisturbed soil bodies at different depths, and has very important significance for the study of soil resources.
附图说明Description of drawings
图1是本发明原状土壤取土器结构示意图；Fig. 1 is the structural representation of the undisturbed soil soil fetcher of the present invention;
图2是本发明原状土壤取土器取样管主体示意图；Fig. 2 is a schematic diagram of the main body of the sampling pipe of the undisturbed soil fetcher of the present invention;
图3是本发明原状土壤取土器底座剖视图；Fig. 3 is a sectional view of the base of the undisturbed soil fetcher of the present invention;
图4是本发明原状土壤取土器底座俯视图；Fig. 4 is the top view of the base of the undisturbed soil soil fetcher of the present invention;
图5是本发明原状土壤取土器切土刀主视图。Fig. 5 is a front view of the soil cutter of the undisturbed soil fetcher of the present invention.
图中，1为底座，11为固定螺帽，12为连接杆，13为脚踏板，14为防滑纹，15为内置螺纹，16为螺帽刃口；In the figure, 1 is the base, 11 is the fixed nut, 12 is the connecting rod, 13 is the pedal, 14 is the anti-skid pattern, 15 is the built-in thread, and 16 is the cutting edge of the nut;
2为钻管，21为防滑把手，22为手柄，23为中空连接杆，24为外置螺纹，25为取样刃口；2 is a drill pipe, 21 is a non-slip handle, 22 is a handle, 23 is a hollow connecting rod, 24 is an external thread, and 25 is a sampling edge;
3为取样管，31为锁止键，32为第一刻度；3 is a sampling tube, 31 is a locking key, and 32 is the first scale;
4为脱样器，41为脱样把手，42为活动杆，43为脱样活塞；4 is a sample remover, 41 is a sample remover handle, 42 is a movable rod, and 43 is a sample remover piston;
5为切土刀，51为刀头刃口，52为刀体，53为刀体手柄。5 is a soil cutter, 51 is a cutter head edge, 52 is a cutter body, and 53 is a cutter body handle.
具体实施方式detailed description
下面将结合附图对本发明做详细描述，显然，对于本领域技术人员而言，显然能了解到上述具体事实例只是本发明的优选方案，因此本领域的技术人员对本发明中的某些部分所可能作出的改进、变动，体现的仍是本发明的原理，实现的仍是本发明的目的，均属于本发明所保护的范围。The present invention will be described in detail below in conjunction with the accompanying drawings. Obviously, for those skilled in the art, it is obvious that the above-mentioned specific example is only a preferred version of the present invention, so those skilled in the art will understand some parts of the present invention. Possible improvements and changes still embody the principle of the present invention and achieve the purpose of the present invention, and all belong to the protection scope of the present invention.
如图1～4所示，本发明提供了一种便捷的原状土壤取土器，包括底座1、钻管2、取样管3、以及脱样器4。As shown in FIGS. 1 to 4 , the present invention provides a convenient undisturbed soil fetcher, which includes a base 1 , a drill pipe 2 , a sampling pipe 3 , and a sampler 4 .
其中，如图1、2、3所述底座1固定安装于待取样地面；底座1的主体为一具有内置螺纹15的固定螺帽11，固定螺帽11两端通过连接杆12与两个脚踏板13相连，脚踏板13上设有防滑纹14以增加脚踏的摩擦力，固定螺帽11的底端设有螺帽刃口16，以便于将底座压入土壤，起固定作用，增强取土器的稳固性。底座1由连接杆12将具有内置螺纹15的固定螺帽11和起固定作用的脚踏板13连接成一体，内置螺纹15可以与钻管2外部的螺纹啮合，形成螺旋结构，底座底部有螺帽刃口，便于切入土壤增强底座的稳固性，采样时通过底座1的固定作用可以保证采样管垂直进入土体，确保所取土样的垂直性。Wherein, as shown in Figure 1, 2, 3 described base 1 is fixedly installed on the ground to be sampled; The pedals 13 are connected, and the pedals 13 are provided with anti-slip lines 14 to increase the frictional force of the pedals, and the bottom end of the fixed nut 11 is provided with a nut cutting edge 16, so that the base is pressed into the soil for fixing. Enhance the stability of the soil borrower. The base 1 connects the fixed nut 11 with the built-in screw thread 15 and the foot pedal 13 which plays a fixed role by the connecting rod 12. The built-in screw thread 15 can be engaged with the external screw thread of the drill pipe 2 to form a helical structure. There is a screw on the bottom of the base. The cutting edge of the cap is convenient for cutting into the soil to enhance the stability of the base. During sampling, the fixing effect of the base 1 can ensure that the sampling tube enters the soil vertically, ensuring the verticality of the soil sample taken.
如图1、2所示，所述钻管2卡合于底座1中，钻管2顶部设置有用于带动钻管2旋转的手柄22，手柄22上设有防滑把手21，钻管2的底部设置有垂直螺旋分布的取样刃口25；所述钻管2顶部的手柄22通过中空连接杆23与钻管2相连接，钻管2外壁设有外置螺纹24，外置螺纹24与固定螺帽11的内置螺纹15相啮合；示例性的，所述钻管2的底端设有三等分垂直螺旋分布的取样刃口25，以便于钻管2切入土体，钻管2外壁设有第二刻度，能够用于指示采样时钻管2进入土壤的深度。As shown in Figures 1 and 2, the drill pipe 2 is engaged in the base 1, the top of the drill pipe 2 is provided with a handle 22 for driving the drill pipe 2 to rotate, the handle 22 is provided with a non-slip handle 21, and the bottom of the drill pipe 2 The sampling edge 25 of vertical helical distribution is provided with; The handle 22 at the top of the drill pipe 2 is connected with the drill pipe 2 through the hollow connecting rod 23, and the outer wall of the drill pipe 2 is provided with an external thread 24, and the external thread 24 is connected with the fixed screw. The built-in thread 15 of the cap 11 is engaged; exemplary, the bottom end of the drill pipe 2 is provided with a sampling edge 25 that is divided into three equal parts and vertically spirally distributed, so that the drill pipe 2 can cut into the soil, and the outer wall of the drill pipe 2 is provided with a second The second scale can be used to indicate the depth of the drill pipe 2 entering the soil during sampling.
所述取样管3为两个半圆柱管构成，所述半圆柱管通过锁止键31扣合，所述取样管3套设于钻管2内，且取样管3能够沿钻管2内壁上下滑动；取样管3外壁设有第一刻度32，在分离不同深度土体时刻度32能够作为参照标准，取样管3外径略小于钻管2的内径，取样管3的外壁与钻管2的内壁贴合，但满足取样管3可以在钻管2内轻松装卸，取样管3的长度加脱样活塞43厚度与钻管2的长度相等，以保证土壤采集时取样管3不会在钻管2内上下移动，进一步保证所采土层深度的准确性。采样结束后可通过脱样器4将取样管3从钻套2中脱离出来，由于此过程脱样活塞43的作用点在取样管3上而并非所取土体上，这就避免了传统脱样过程由于活塞的挤压造成的原状土的容重或结构的改变。所述取样管既可以作为原状土地的保存工具，避免搬运过程对原状土地的破坏。The sampling tube 3 is composed of two semi-cylindrical tubes, the semi-cylindrical tubes are fastened by the locking key 31, the sampling tube 3 is sleeved in the drill tube 2, and the sampling tube 3 can go up and down along the inner wall of the drill tube 2 Sliding; the outer wall of the sampling pipe 3 is provided with a first scale 32, and the scale 32 can be used as a reference standard when separating different depths of soil. The outer diameter of the sampling pipe 3 is slightly smaller than the inner diameter of the drill pipe 2. The inner wall of the sample tube 3 can be easily loaded and unloaded in the drill tube 2. The length of the sample tube 3 plus the thickness of the sample removal piston 43 is equal to the length of the drill tube 2, so as to ensure that the sample tube 3 will not be in the drill tube 2 during soil collection. The pipe 2 moves up and down to further ensure the accuracy of the depth of the excavated soil layer. After the sampling is finished, the sampling tube 3 can be separated from the drill casing 2 by the sample stripper 4. Since the action point of the sample stripping piston 43 is on the sampling tube 3 rather than the sampled soil, this avoids the traditional stripping process. During the sampling process, the bulk density or structure of the undisturbed soil is changed due to the extrusion of the piston. The sampling pipe can be used as a tool for preserving the original land, so as to avoid damage to the original land during the transportation process.
脱样器4包括设置于取样管3顶部的脱样活塞43，脱样活塞43上设置有凸露于手柄22之外的脱样把手41；脱样器4底部为内置于钻管2内部的脱样活塞43，脱样活塞43的直径小于钻管2的内径，但脱样活塞43侧外壁能够与钻管2的内壁贴合，满足脱样活塞43能够在钻管2内轻松移动，脱样把手41和脱样活塞43由一内置于中空连接杆23的活动杆42连接，推动脱样把手41可使脱样活塞43在钻管2内上下移动，以便于将取样管3脱离出钻管2。The sample remover 4 includes a sample remover piston 43 arranged on the top of the sampling tube 3, and the sample remover 43 is provided with a sample remover handle 41 protruding outside the handle 22; The sample removal piston 43, the diameter of the sample removal piston 43 is less than the inner diameter of the drill pipe 2, but the outer wall of the sample removal piston 43 side can be fitted with the inner wall of the drill pipe 2, satisfying that the sample removal piston 43 can easily move in the drill pipe 2, and the The sample handle 41 and the sample removal piston 43 are connected by a movable rod 42 built in the hollow connecting rod 23. Pushing the sample removal handle 41 can make the sample removal piston 43 move up and down in the drill pipe 2, so that the sample pipe 3 is separated from the drill pipe. Tube 2.
优选的，如图5所示，本发明还包括用于切割土壤的切土刀5，所述切土刀5前段为半圆状结构，且半圆状结构直径小于样管3内径，切土刀5的刀体52的前段具有刀头刃口51，后段具有刀体手柄53。半圆状结构直径小于样管3内径，但保障刀体52切入取样管3后能够与取样管3内壁贴合，满足刀体52可以在取样管3内轻松移动，参照取样管3上的刻度32，利用切土刀5可将采集的原状土体分离成不同的土层深度，以满足不同研究需求，具体使用时，打开所述取样管3的锁止键31，剖开取样管3，根据需要用切土刀5取出所需土层深度的土柱，切割出来的土壤可用于土壤基础理化性状的测定，也可以用于容重、空隙度、体积含水率等需要原状土进行测定的指标。Preferably, as shown in Figure 5, the present invention also includes a soil cutter 5 for cutting the soil, the front section of the soil cutter 5 is a semicircular structure, and the diameter of the semicircular structure is smaller than the inner diameter of the sample pipe 3, the soil cutter 5 The front section of the cutter body 52 has a cutter head edge 51, and the rear section has a cutter body handle 53. The diameter of the semicircular structure is smaller than the inner diameter of the sample tube 3, but it is ensured that the cutter body 52 can be attached to the inner wall of the sample tube 3 after cutting into the sample tube 3, so that the cutter body 52 can easily move in the sample tube 3, refer to the scale 32 on the sample tube 3 , the undisturbed soil body collected can be separated into different soil layer depths by using the soil cutter 5, so as to meet different research needs. It is necessary to use the soil cutter 5 to take out the soil column with the required depth of the soil layer, and the cut soil can be used for the determination of the physical and chemical properties of the soil foundation, and can also be used for indicators such as bulk density, porosity, and volumetric moisture content that require undisturbed soil to be measured.
本发明的工作过程为：Working process of the present invention is:
采样时，先将底座1放在所需采样的位置，将螺帽刃口16压入土体，两脚踩住脚踏板13，先在钻管2内放入取样管3再将钻管2放入固定螺帽11，握住防滑把手21，转动手柄22，借助钻管2下端取样刃口25的剪切力和外置螺纹24与底座上内置螺纹15组成的螺纹构造的旋切作用将钻管2旋入土体，参照钻管2的外置刻度，将钻管2送入所需深度。在此过程中随着钻管2旋切入土，取样刃口25会在土体中剪切出一个环形空腔，而空腔之内的土柱便轻松装入取样管3，由于取样管3的外径略小于钻管2，即取样管3的外壁与钻管2的内壁留有适度空间，所以在钻管2旋切入土的过程中，取样管3并不随着钻管2一起旋转，这样可以避免传统取样过程由于取样管的转动而导致的原状土的容重或结构的改变。另外，剪切过程中挖出的土壤会随着外置螺纹24的旋转被传出地表，而固定螺帽11两侧的连接杆12设计，既可以起到固定作用又可以避免底座1对传出地表的土壤的遮挡。将钻管2送入指定深度后，反向旋转手柄22将钻管2旋出土壤，完成土壤的采集。When sampling, first place the base 1 at the position required for sampling, press the nut edge 16 into the soil, step on the pedal 13 with both feet, first put the sampling tube 3 in the drill tube 2, and then put the drill tube 2 Put in the fixed nut 11, hold the anti-slip handle 21, turn the handle 22, and use the shearing force of the sampling edge 25 at the lower end of the drill pipe 2 and the rotary cutting action of the thread structure composed of the external thread 24 and the internal thread 15 on the base Screw the drill pipe 2 into the soil, and send the drill pipe 2 to the required depth with reference to the external scale of the drill pipe 2. During this process, as the drill pipe 2 is rotated into the soil, the sampling edge 25 will cut out an annular cavity in the soil, and the soil column in the cavity will be easily loaded into the sampling pipe 3, because the sampling pipe 3 The outer diameter of the drill pipe 2 is slightly smaller than that of the drill pipe 2, that is, there is a moderate space between the outer wall of the sampling pipe 3 and the inner wall of the drill pipe 2, so the sampling pipe 3 does not rotate together with the drill pipe 2 during the rotary cutting of the drill pipe 2 into the soil. This can avoid the change of bulk density or structure of the undisturbed soil caused by the rotation of the sampling tube in the traditional sampling process. In addition, the soil excavated during the shearing process will be transmitted out of the ground with the rotation of the external thread 24, and the design of the connecting rods 12 on both sides of the fixing nut 11 can not only play a role of fixing but also avoid the transmission of the base 1. The occlusion of the soil above the surface. After the drill pipe 2 is sent to the specified depth, the handle 22 is reversely rotated to unscrew the drill pipe 2 out of the soil, and the soil collection is completed.
需要说明的是，所述底座1、钻管2、脱样器4、切土刀5整体构架由钢铁或合金材料制成，以保证这些部件的强度。It should be noted that the overall framework of the base 1 , drill pipe 2 , stripper 4 , and soil cutter 5 is made of steel or alloy materials to ensure the strength of these components.
所述取样管3可以由合金或轻便的硬质塑料等材质构成，以保证取样管3的轻便性。The sampling tube 3 can be made of alloy or light hard plastic to ensure the portability of the sampling tube 3 .
上述方案中，装置规格可以根据实际需要变化。上述实施方案的描述仅作为本发明技术方案的一种实施例提出，不作为对装置结构和功能的单一限制条件。本发明技术方案的有益效果是降低了传统采样过程对原状土壤的扰动，保证了所取原状土体的垂直性，使用简便、工作高效，既能满足一般深层原状土壤的取样需求，又能满足土壤基础理化性状及容重、空隙度、体积含水率等需要原状土的测定需求，对研究土壤资源具有非常重要的意义。In the above solutions, the specifications of the device can be changed according to actual needs. The description of the above embodiments is only proposed as an example of the technical solution of the present invention, and not as a single restriction on the structure and function of the device. The beneficial effect of the technical solution of the present invention is that it reduces the disturbance of the undisturbed soil in the traditional sampling process, ensures the verticality of the undisturbed soil, is easy to use, and works efficiently. It can not only meet the sampling requirements of general deep undisturbed soil, but also meet the The basic physical and chemical properties of soil, bulk density, porosity, volumetric moisture content, etc. require the determination of undisturbed soil, which is of great significance to the study of soil resources.
底座的设计既可以起到固定作用，保证钻管能够垂直进入土体，确保取样的垂直性，又可以与钻构成螺旋结构，使钻管更加省力的进入土壤和提拉出土壤，降低劳动强度；The design of the base can not only play a fixed role to ensure that the drill pipe can enter the soil vertically and ensure the verticality of sampling, but also form a helical structure with the drill, so that the drill pipe can enter the soil and pull out the soil more labor-saving, reducing labor intensity ;
本发明设计的旋切取样方式，在取样时可以做到不扰动或轻微扰动土壤，保障所取土体的原状特性，在取样后的脱样过程，脱样活塞的作用力在取样管上而并非所取土体上，这就避免了传统脱样过程由于脱样活塞的挤压造成的原状土的容重或结构的改变，进一步保障了土体的原状特性；。The rotary cutting sampling method designed by the present invention can not disturb or slightly disturb the soil during sampling, and ensure the original characteristics of the soil body. It is not on the soil, which avoids the change of bulk density or structure of the undisturbed soil due to the extrusion of the undisturbed piston in the traditional desampling process, and further ensures the undisturbed characteristics of the soil;
本发明取样管的设计既可以用作采样后原状土体的运输工具，又可以根据研究需求利用切土刀切割出所需土层深度的土壤，用于测定土壤基础理化性状及容重、空隙度、体积含水率等需要原状土进行测定的指标；The design of the sampling tube of the present invention can not only be used as a transportation tool for the undisturbed soil body after sampling, but also can use a soil cutter to cut out the soil at the required depth of the soil layer according to the research requirements, and can be used to measure the physical and chemical properties, bulk density and porosity of the soil foundation , volume moisture content and other indicators that need to be measured in undisturbed soil;
综上，本发明技术方案降低了传统采样过程对原状土壤的扰动，保证了所取原状土体的垂直性，使用简便、工作高效，既能满足一般深层原状土壤的取样需求，又能满足土壤基础理化性状及容重、空隙度、体积含水率等需要原状土的测定需求，对研究土壤资源具有非常重要的意义。In summary, the technical solution of the present invention reduces the disturbance of the undisturbed soil during the traditional sampling process, ensures the verticality of the undisturbed soil, is easy to use, and works efficiently. It can not only meet the sampling requirements of general deep undisturbed soil, but also meet the soil Basic physical and chemical properties, bulk density, porosity, volumetric moisture content, etc. require the determination of undisturbed soil, which is of great significance to the study of soil resources.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382863.9ACN105954059A (en) | 2016-06-01 | 2016-06-01 | Convenient undisturbed soil taking device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382863.9ACN105954059A (en) | 2016-06-01 | 2016-06-01 | Convenient undisturbed soil taking device |
| Publication Number | Publication Date |
|---|---|
| CN105954059Atrue CN105954059A (en) | 2016-09-21 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610382863.9APendingCN105954059A (en) | 2016-06-01 | 2016-06-01 | Convenient undisturbed soil taking device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20160921 | |
| RJ01 | Rejection of invention patent application after publication |