CN211317308U - A appurtenance for standard preparation field test district - Google Patents

Abstract

The utility model relates to an auxiliary tool for standard making field test plot, which comprises four vertex angle parts with positioning holes and six scale-marked inelastic ropes which are connected with the vertex angle parts into a square or a rectangle, wherein the six inelastic ropes are four sides and two diagonals of the square or the rectangle respectively; the actual length setting of the six inelastic ropes is carried out according to the size of the cell set by actual needs and whether the operation of personnel is convenient or not. The utility model discloses a specially design for the experimental district preparation in farmland, can realize quick, standard, the appurtenance of standard preparation district, its portable, easy operation, practicality are strong, fill the technical blank.

Description

A appurtenance for standard preparation field test district

Technical Field

The utility model relates to an appurtenance that is used for standard preparation field test district.

Background

In recent years, the national agricultural support strength is getting larger, the investment on agricultural scientific research is improved year by year, the establishment of agricultural scientific research is increased, the agricultural field scientific research work is greatly increased compared with the past year, and in recent years, scientific research workers are advocated to write scientific research papers on ancestral national lands, walk more and more agricultural scientists out of laboratories and walk into fields to develop field experimental research work. The experimental many need of planting in field is carried out a large amount of district preparation, and the district generally is the rectangle or the square of settlement area, and big field piece is many irregular, and when making experimental a plurality of districts, generally all set for the district to square or rectangle, nevertheless to moving then in the actual district preparation surpassing the big field plot of several hundred meters lengths, hardly find out by four right-angle sides of all districts group rectangular or square, the problem that often can appear is: the overall layout of the cell is often made into a parallelogram, a rhombus or a trapezoid, so that the actual area of the cell is inconsistent with the set area of the test, the accuracy of test data is affected, and even wrong test conclusion is generated in severe cases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an appurtenance that is used for standard preparation field test district, it is specially designed for the experimental district preparation in farmland, can realize an appurtenance of quick, standard preparation district, its portable, easy operation, practicality are strong, fill domestic technical blank.

The technical scheme of the utility model is that:

the utility model relates to an auxiliary tool for standard manufacture field test plot, which comprises four vertex angle parts with positioning holes and six calibration inelastic ropes which are connected with the vertex angle parts into a square or a rectangle and are respectively four sides and two diagonals of the square or the rectangle; the actual length setting of the six inelastic ropes is carried out according to the size of the cell set by actual needs and whether the operation of personnel is convenient or not.

Further, four apex angle parts that have the locating hole set to can be to being two direction ends and middle diagonal end at right angle stretch and contract and receive the device of taking scale inelastic rope to have flexible locking function.

Furthermore, above-mentioned apex angle part is including being square shape's box body, is equipped with the through-hole that pierces through the box body upper and lower face also and is the locating hole at a apex angle position of box body, is equipped with the tape measure pivot respectively in the box body that belongs to other three apex angle position in the box body, and no elastic rope coils in the tape measure pivot, and no elastic rope marks clear scale on, and near tape measure opening sets the press key that carries out flexible locking to no elastic rope, corresponds respectively and sets up on the box body lateral wall.

The utility model discloses a theory of use is: the opposite sides of rectangle (or square) are equal, two diagonal lines are equal, the utility model discloses make two pairs of isometric parallel sides with 6 no elastic rope, and a pair of isometric diagonal line, when 6 ropes all are the extension state, explain the figure of constituteing and be rectangle (or square), four points according to the locating hole definite this moment can confirm the rectangle (or square) that all districts formed directly, or four points utilize "three points one line" principle to confirm the rectangle (or square) that all districts formed from this; a slack condition in any of the cords indicates a non-rectangular (or square) shape.

The utility model has the advantages that:

in field planting experiments, a large number of plot making is needed. The district is the rectangle or the square of settlement area generally, and big field piece is many irregular, and or many field pieces often all have length or width of several hundred meters, and when making a plurality of districts of experiment, present equipment tool generally all is that the people come the operation to hardly can guarantee the district of making to keep standard square or rectangle all the time, just can not do all the time and keep the straight line, especially is difficult to accomplish when the district length reaches several hundred meters.

And if the laser range finder commonly used in the building field is adopted, the following disadvantages exist: 1. the existing laser range finders measure straight lines, if the straight lines need to be measured and adjacent straight lines need to be ensured to be in accurate right angles, at least two laser range finders need to be matched, two range lasers are corrected to be in right angles in advance, and a matched accessory structure and the like used by matching the two laser range finders need to be additionally and independently designed, so that the cost is high, and the structure is clumsy; 2. in the actual plot production, for the field plot with the movement length exceeding several hundred meters, the common laser distance measuring instrument is adopted not far, but the more professional and higher laser distance measuring instrument is adopted, so the cost is higher undoubtedly, and the laser distance measuring instrument is not suitable for being used in the field test. 3. Furthermore, for plot making in field planting experiments, the accuracy of the laser rangefinder is not necessary at all.

The utility model discloses utilize comparatively light no elasticity rope preparation, it is also very light to add apex angle spare, and the cost of manufacture is very low, and overall structure is simple and ingenious, and the usability is very simple, but measures the accuracy very high, carries and uses when being particularly suitable for and being convenient for field work, and it can adjust into not unidimensional rectangle or square as required to have two isometric diagonals. The utility model discloses can confirm four limits of experimental district preparation land used fast, accurately, make four limits group rectangular or square, then make single district according to the design to realize quick, standard, the standard preparation of district.

The utility model fills the blank of the product at home and abroad, and has huge application potential in agricultural scientific research.

Drawings

Fig. 1 is a schematic structural view of an auxiliary tool according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a vertex angle member in the auxiliary tool according to embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1 shows an embodiment of an auxiliary tool for a standard field test plot according to the present invention, which includes four corner members 1 with positioning holes 4, and six scale-marked inelastic ropes 2 connected to the corner members 1 to form a square or rectangle, wherein the six inelastic ropes are four sides and two diagonal lines of the square or rectangle, respectively; the actual set length of the six inelastic ropes is set according to the size of the cell set by actual needs and whether the operation of personnel is convenient or not.

Four apex angle parts 1 that have the locating hole set to as the appearance of embodiment 2 shown in figure 2, its this apex angle part is including the box body 3 that is square shape, be equipped with the through-hole that pierces through the box body upper and lower face also be locating hole 4 at 3 apex angle positions of box body, be equipped with tape measure pivot 5 in the box body that belongs to other three apex angle positions respectively, no elasticity rope 7 is convoluteed on tape measure pivot 5, it has clear scale to mark on the no elasticity rope 7, near tape measure opening 6 set the press key 8 that carries out flexible locking to no elasticity rope. When in use, the non-elastic rope with scales can be stretched and contracted towards two direction ends and a middle diagonal end which are at right angles, and the positioning hole 4 is used for cutting positioning marks when in use.

The utility model discloses a use the operation to:

firstly, determining a reference edge of a field (assuming that a sideline of the field is a straight line) and the width of a protection row, and then utilizing the utility model (rectangle or square), wherein the width (edge) is the width of the protection row, and the length (edge) is the length of the reference edge needed for manufacturing all test cells; setting a starting point on a reference edge, inserting a positioning mark through a positioning hole on a top corner part, fixing any one corner of an auxiliary tool on the positioning mark through the top corner part, then coinciding a long edge of the auxiliary tool with the reference edge to find out the position of the other corner, fixing the other two corners by using the inserting positioning mark, simultaneously stretching the other two corners, ensuring that the auxiliary tool is a rectangle (or a square) when four sides and two diagonal lines of the auxiliary tool are in a stretching state, inserting the positioning mark into the positioning hole on the two corners respectively, wherein lines among the marks are parallel edges formed by all test cells and the reference edge, and a protection line is formed between the reference edge and the parallel edges.

And according to a three-point one-line method, two points on the width (edge) of the auxiliary tool and the required length for manufacturing all the cells are utilized, third points on two side lines are respectively found out, and then two corresponding edges are found out, wherein the two edges are respectively crossed with the parallel edges at 90 degrees, according to the length design of a single cell, marks are respectively inserted at the proper positions of the two edges, the corresponding marks on the two edges form a straight line, the straight line is parallel to the reference edge, and in the straight line marks, a rectangle (or a square) formed by four adjacent marks is the single cell required by the test. When the length of the reference edge is larger than the total length of the side length rope for manufacturing the residential quarter, multiple operations are carried out or the farthest ends on all the side lines parallel to the reference edge are determined by using a three-point one-line method. Until the whole cell is completed.

Claims (3)

1. An appurtenance that is used for standard preparation field test district, its characterized in that: the auxiliary tool comprises four vertex angle parts with positioning holes and six calibration inelastic ropes which are connected with the vertex angle parts to form a square or a rectangle and are marked with scales, wherein the six inelastic ropes are four sides and two diagonal lines of the square or the rectangle respectively; the actual length setting of the six inelastic ropes is carried out according to the size of the cell set by actual needs and whether the operation of personnel is convenient or not.

2. An aid for standard-making field trial cells according to claim 1, wherein: the four top corner parts with the positioning holes are arranged to be capable of stretching, contracting and contracting the device with the scale inelastic rope towards two direction ends and a middle diagonal end which are at right angles, and have a telescopic locking function.

3. An aid for standard-making field trial cells according to claim 2, wherein: above-mentioned apex angle part is equipped with the through-hole that pierces through box body upper and lower face also and is the locating hole including the box body that is square shape at a apex angle position of box body, is equipped with the tape measure pivot in the box body that belongs to other three apex angle position in the box body respectively, and no elastic rope coils in the tape measure pivot, has marked clear scale on the no elastic rope, and near tape measure opening sets the press key that carries out flexible locking to no elastic rope, corresponds respectively to set up on the box body lateral wall.

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