CN210741492U - Portable field investigation combination sampling square frame - Google Patents

Abstract

The utility model discloses a portable field investigation combination sample square frame, including receiving the line box, the inside of receiving the line box is rotated through the pivot and is installed a plurality of reel, be provided with volute spiral spring between pivot and the receiving the line box inner wall, the winding has the mark line on the reel, the wire hole that the mark line corresponds to seting up from receiving the line box side is worn out and is connected with the location curb plate, the end fixing of receiving the line box is provided with axle positioning mechanism, the both ends of receiving the line box are provided with assorted fixture block and draw-in groove respectively. This sample square frame forms a plurality of sample square through two receipts line box unwrapping wires after alternately, and after finishing using, receives the line box with the mark line income, conveniently carries, and the practicality is stronger.

Description

Portable field investigation combination sampling square frame

Technical Field

The utility model belongs to the technical field of the ecological investigation equipment in meadow, concretely relates to portable field investigation combination sample square frame.

Background

In the field investigation of the traditional sample, measuring tools such as a tape measure, a measuring rope, a steel rule or a folding rule with four rotating corners are mostly adopted, a square is formed by enclosing on-site equal edge distances, the boundary line and the direction of the sample determined by the method cannot be accurately controlled, the shape is irregular easily, the accuracy of investigation sampling is influenced, the sample frame for field investigation sampling is mostly 25cmx25cm, 50cmx50cm and 100cmx100cm, no grid design exists in the sample frame, and the number of species cannot be rapidly measured and calculated if the number of the species is large; when the grassland with low coverage is encountered, the coverage can not be accurately estimated. Therefore, in modern sampling operations, a dedicated sampling block is used to divide the sampling area into sampling squares.

The sampling frame in use at present has a large volume, is inconvenient to carry about in field sampling investigation, is complicated to recover and arrange, and increases the workload of researchers, so that the sampling frame needs to be designed in a targeted manner.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable field investigation combination sample square frame comes into operation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable field investigation combination sample square frame, includes the receipts line box, the inside of receiving the line box is rotated through the pivot and is installed a plurality of reel, be provided with volute spiral spring between pivot and the receipts line box inner wall, the winding has the mark line on the reel, the wire hole that the mark line corresponds to set up from receiving the line box side is worn out and is connected with the location curb plate, the end fixing of receiving the line box is provided with axle positioning mechanism, the both ends of receiving the line box are provided with assorted fixture block and draw-in groove respectively.

Preferably, the shaft positioning mechanism is composed of an installation shell, a movable rod, a positioning block, a clamping seat and a spring, the clamping seat is welded at the end part of the rotating shaft, the positioning block is clamped in a groove in the side face of the clamping seat when the rotating shaft is positioned, the end part of the movable rod is welded with the positioning block, the spring is sleeved at the outer side of the movable rod, and the other end of the movable rod penetrates through the side wall of the installation shell.

Preferably, two annular protruding parts are symmetrically arranged on the take-up box, and the volute spiral spring is arranged on the inner side of the protruding part.

Preferably, the wire collecting box and the positioning side plate are fixed on the ground of a sampling area through inserted rods welded to the lower sides.

The utility model discloses a technological effect and advantage: this portable field investigation combination sample square frame, after the sample is accomplished, extracts movable rod release pivot and rotates, resumes original state through volute spiral spring, drives the pivot upset, through around to in the wheel retrieves the wire winding box with the mark line, the side of location curb plate is hugged closely with the side of receiving the line box, and the convenience is accomodate the square frame and is carried, and convenient arrangement launches the convenience.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a shaft positioning mechanism;

FIG. 3 is a side view of the take-up box;

FIG. 4 is a side view of the positioning side plate;

fig. 5 is a schematic structural diagram of the present invention in practical use.

In the figure: 1. a wire rewinding box; 2. a shaft positioning mechanism; 3. a reel; 4. a volute spiral spring; 5. marking lines; 6. a wire outlet hole; 7. positioning the side plate; 8. a rotating shaft; 9. a clamping block; 10. a card slot; 11. an annular projection; 12. inserting a rod; 21. installing a shell; 22. a movable rod; 23. positioning blocks; 24. a card holder; 25. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a portable field investigation combination sampling square frame as shown in figures 1-4, which comprises a take-up box 1, wherein a plurality of reels 3 are rotatably arranged in the take-up box 1 through a rotating shaft 8, a volute spiral spring 4 is arranged between the rotating shaft 8 and the inner wall of the take-up box 1, mark lines 5 are wound on the reels 3, the mark lines 5 penetrate out of wire outlets 6 correspondingly arranged on the side surface of the take-up box 1 and are connected with a positioning side plate 7, a shaft positioning mechanism 2 is fixedly arranged at the end part of the take-up box 1, two ends of the take-up box 1 are respectively provided with a matched clamping block 9 and a clamping groove 10, a movable rod 22 of the shaft positioning mechanism 2 is pulled upwards, the locking of the shaft 8 is released, the positioning side plate 7 is pulled, the mark lines 5 are pulled out of the take-up box, the rotating shaft 8 is driven by the winding wheel to rotate, the rotating shaft 8, volute spiral spring 4 produces the restoring force to the middle part shrink, after drawing enough long mark line 5, loosen movable rod 22, axle positioning mechanism 2 lock pivot 8, transversely lay in treating the sample area through mark line 5, expand a set of receipts line box 1 again on the same principle, lay perpendicularly with preceding mark line 5, it is shown as figure 5 to form individual sample cell, and after the sample is accomplished, pull up movable rod 22 and release pivot 8 and rotate, resume original state through volute spiral spring 4, drive pivot 8 upset, through around in retrieving the wire winding box with mark line 5 to the wheel, the side of location curb plate 7 is hugged closely with the side of receiving line box 1, conveniently accomodate the square frame and carry, convenient arrangement, it is convenient to launch.

Shaft positioning mechanism 2 comprises installation casing 21, movable rod 22, locating piece 23, cassette 24 and spring 25, cassette 24 welds in the tip of pivot 8, when fixing a position to pivot 8, locating piece 23 card is gone into in the recess of cassette 24 side, the tip and the locating piece 23 welding of movable rod 22, spring 25 is cup jointed in the outside of movable rod 22, and the other end of movable rod 22 passes the lateral wall of installation casing 21, promotes the recess that locating piece 23 inserted cassette 24 through spring 25's restoring force, realizes the rotation locking of pivot 8.

Receive line box 1 and go up the symmetry and be provided with two annular bulge 11, spiral spring 4 sets up in the inboard of bulge, guarantees to settle bigger volume spiral spring 4 to guarantee when pulling enough mark line 5, spiral spring 4 has sufficient deformation, the more light mark line 5 of pulling out.

The wire collecting box 1 and the positioning side plate 7 are fixed on the ground of a sampling area through the inserted rod 12 welded on the lower side, and the positions of the wire collecting box 1 and the positioning side plate 7 are conveniently fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (4)

1. The utility model provides a portable field investigation combination sample square frame, includes and receives line box (1), its characterized in that: the utility model discloses a take-up box, including take-up box (1), the inside of taking-up box (1) is rotated through pivot (8) and is installed a plurality of reel (3), be provided with volute spiral spring (4) between pivot (8) and the take-up box (1) inner wall, the winding has mark line (5) on reel (3), the wire hole (6) that mark line (5) correspond to set up from the side of taking-up box (1) are worn out and are connected with location curb plate (7), the end fixing of taking-up box (1) is provided with axle positioning mechanism (2), the both ends of taking-up box (1) are provided with assorted fixture block (9) and draw-in groove (10.

2. The portable field survey combination sampling box of claim 1, wherein: shaft positioning mechanism (2) comprises installation casing (21), movable rod (22), locating piece (23), cassette (24) and spring (25), cassette (24) weld in the tip of pivot (8), when location to pivot (8), locating piece (23) card is gone into in the recess of cassette (24) side, the tip and the locating piece (23) welding of movable rod (22), the lateral wall of installation casing (21) is passed to the other end that spring (25) and movable rod (22) are cup jointed in the outside of movable rod (22).

3. The portable field survey combination sampling box of claim 1, wherein: two annular convex parts (11) are symmetrically arranged on the wire winding box (1), and the volute spiral spring (4) is arranged on the inner side of the convex part.

4. The portable field survey combination sampling box of claim 1, wherein: the take-up box (1) and the positioning side plate (7) are fixed on the ground of a sampling area through inserted rods (12) welded on the lower sides.

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