CN209894508U

CN209894508U - Green manure sampling and yield measuring tool for field

Info

Publication number: CN209894508U
Application number: CN201920712116.6U
Authority: CN
Inventors: 郭松; 秦鱼生; 曾祥忠; 陈琨; 周子军; 上官宇先; 喻华
Original assignee: Soil and Fertilizer Research Institute SAAS
Current assignee: Soil and Fertilizer Research Institute SAAS
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-03
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a green manure sample in field, survey instrument of producing belongs to the agricultural production field, a green manure sample in field, surveys instrument of producing, but including four length the same, and two liang of head and the tail swing joint's telescopic link rod, four telescopic link rod is folding back and is incorporated, is the quadrangle after opening, four telescopic link rod all includes dead lever and hollow tube. Through expanding four telescopic link rods, form a quadrangle, adjust the length of telescopic link rod according to different green manure areas after that for the extension bar exposes the hollow tube, carry out the calculation of area according to "the total of the length that dead lever, hollow tube and extension bar exposed the hollow tube" at last, make the green manure sample in field, survey the green manure that produces instrument measurable quantity and calculate different areas, easy operation, convenient to use, the error is little, is worth promoting.

Description

Green manure sampling and yield measuring tool for field

Technical Field

The utility model relates to an agricultural production field, more specifically say, relate to a field green manure sample, survey instrument of producing.

Background

The green manure crops are crops for providing fertilizer sources and fertilizing soil, and the cultivated green manure mainly comprises leguminous crops, such as milk vetch, alfalfa, sweet clover, tamarisk, sesbania, broad beans, vetch, amorpha fruticosa and the like; the non-leguminous crops comprise fertile field radishes, buckwheat and the like and various aquatic green manure, green stems and leaves of the green manure crops are cut off and directly turned into the soil after the green manure crops grow for a certain period of time, so that the labor can be saved, the transportation cost can be reduced, the soil manure can also be applied by retting, and the green manure contains various nutrients and a large amount of organic matters, can improve the soil structure, promote the soil curing and enhance the soil fertility.

The astragalus sinicus, common vetch, vetch seed, vetch, radish for fertile field, broad bean, hairy vetch, ryegrass, tamarix chinensis, sesbania and the like are common green manure varieties in China, but because different green manure have larger growth difference and different growth areas, agricultural researchers can calculate the area after measuring one side of a tape when measuring different green manure, and although the error of the yield measuring method is small, the working efficiency is extremely low, and partial working personnel can measure the green manure through a rectangular measuring frame, the method is simple, but the error is large, and the green manure with different areas can not be measured, so that the field green manure sampling and yield measuring tool is provided.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, an object of the utility model is to provide a field green manure sample, survey and produce instrument, the green manure that possesses the different areas of measurable quantity and the little advantage of error, it is when surveying the green manure to the difference to have solved agricultural scientific research personnel, some adopt the measuring of one side of tape measure, carry out the calculation of area again, this kind is surveyed and produces the method although the error is little, but work efficiency is extremely low, also there is some staff to measure through the rectangle measuring frame, this kind of method is simple, but the error is big, and can not measure the green manure of different areas, the event provides a field green manure sample, survey the problem of producing the instrument.

In order to solve the above problems, the utility model adopts the following technical proposal.

A field green manure sampling and production measuring tool comprises four telescopic connecting rods which are the same in length and movably connected end to end in pairs, the four telescopic connecting rods are folded into a whole and form a quadrangle after being unfolded, each telescopic connecting rod comprises a fixed rod and a hollow pipe, extension rods are arranged inside the four hollow pipes in an inserting mode, one ends, close to the fixed rods, of the four extension rods are fixedly connected with the fixed rods respectively, one ends, far away from the fixed rods, of the four extension rods are fixedly connected with extension springs respectively, one ends, far away from the extension rods, of the extension springs are fixedly connected with the inner side walls of the hollow pipes respectively, when a user needs to use the field green manure sampling and production measuring tool, the four telescopic connecting rods are unfolded to form a quadrangle, and the lengths of the telescopic connecting rods are adjusted according to different green manure areas, make extension bar expose the hollow tube, carry out the calculation of area according to "the total of the length that dead lever, hollow tube and extension bar exposed the hollow tube" at last for green manure sample in field, survey the product instrument measurable quantity and calculate the green manure of different areas, easy operation, convenient to use is worth promoting.

Preferably, but the equal fixedly connected with flat connector in telescopic link's both ends, four the connecting hole has all been seted up on the flat connector, but the connecting hole that two liang of end to end's telescopic link coincided mutually links together through the steel loop, through mutually supporting of flat connector, connecting hole and steel loop, can conveniently make circular motion with four telescopic link each other, expandes during the use, folding the amalgamation during carrying for whole field green manure sample, survey instrument convenient to carry, convenient to use.

Preferably, all be provided with the scale mark on dead lever, hollow tube and the extension bar, the scale that the extension bar is close to one side of dead lever is "0", and to keeping away from the direction scale interval of dead lever crescent, through all setting up the scale mark on dead lever, hollow tube and extension bar for the user can be according to "length on dead lever and the hollow tube and the length that the extension bar exposes the hollow tube" quick accurate calculate the sample area of field green manure, take a sample and survey the product, easy operation, convenient to use.

Preferably, four all be provided with spacing plug-in components on the hollow tube, four spacing slots that the equidistance was arranged are all seted up to one side that just is located near four hollow tube outsides respectively on the extension bar, four spacing plug-in components peg graft with spacing slot respectively, and the user can carry on spacingly to the extension bar through mutually supporting of spacing slot and spacing plug-in components after adjusting the length that the extension bar exposes the hollow tube, avoids taking place the secondary displacement at the measured in-process extension bar, influences measurement.

Preferably, the limiting plug-in comprises a limiting groove, the limiting groove is arranged on the inner wall of the hollow tube corresponding to the limiting slot, a rotary drum is arranged inside the limiting groove, a nut is fixedly connected to one side of the rotary drum close to the extension bar, a threaded plug rod is connected to the nut in a threaded manner, one end of the threaded plug rod close to the extension bar extends into the limiting slot to be plugged with the limiting slot, one end of the threaded plug rod far away from the extension bar penetrates through the rotary drum and extends into the rotary drum, a rotary rod is fixedly connected to one side of the rotary drum far away from the extension bar, one end of the rotary rod far away from the rotary drum penetrates through the limiting groove and extends to the outer side of the hollow tube, clockwise rotating force is applied to the rotary rod to drive the rotary drum and the nut to rotate clockwise in the limiting groove, and further drive the threaded plug rod connected with the nut in a threaded manner, can carry out spacing fixed to the extension bar, when anticlockwise rotation bull stick, can drive with rotary drum and nut anticlockwise rotation for the screw inserted bar to the direction motion of keeping away from spacing recess and with spacing slot separation, the position of adjustable extension bar this moment.

Preferably, on the extension bar and be located the equal fixedly connected with slider in one side that is close to the hollow tube inboard, the spout has been seted up to the inside wall that the hollow tube corresponds slider one side, slider and spout sliding connection through mutually supporting of slider and spout, can play the effect of side-to-side movement direction to the extension bar, still avoid the extension bar to take place the phenomenon that breaks away from with the hollow tube simultaneously.

Preferably, the two bearings are sleeved on the rotary drum, the outer side faces of the rotary drum are fixedly connected with the inner rings of the two bearings respectively, the outer side faces of the two bearings are fixedly connected with the inner side wall of the limiting groove respectively, the rotary drum can be supported and fixed by the two bearings, and meanwhile, the normal rotation work of the rotary drum is not influenced.

Preferably, the one end fixedly connected with stopper of extension bar is kept away from to the screw-thread inserted bar, the stopper is located the inside of rotary drum, can play spacing effect to the screw-thread inserted bar through setting up the stopper, avoids screw-thread inserted bar and rotary drum to take place to break away from the phenomenon, and influences the normal work of screw-thread inserted bar.

Preferably, one side fixedly connected with buffer spring that the screw inserted bar was kept away from to the stopper, buffer spring keeps away from the one end of stopper and the inner wall fixed connection that the rotary drum is close to the hollow tube outside, can play spacing effect to the screw inserted bar through setting up the stopper, avoids screw inserted bar and rotary drum to take place to break away from the phenomenon, and influences the normal work of screw inserted bar.

Preferably, one end of the rotating rod, which is far away from the rotating cylinder, is fixedly connected with an anti-skidding rotating handle, and the friction force between the hand of a user and the rotating rod can be increased by arranging the anti-skidding rotating handle, so that the rotating cylinder is convenient for the user to rotate.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme user uses field green manure sample in needs, survey when producing the instrument, at first through expanding four telescopic link rods, form a quadrangle, adjust the length of telescopic link rod according to different green manure areas after that, make the extension bar expose the hollow tube, at last according to "dead lever, the total of the length that hollow tube was exposed to hollow tube is exposed to hollow tube and extension bar" carry out the calculation of area ", make field green manure sample, survey the green manure that produces instrument measurable quantity and calculate different areas, and the operation is simple, high durability and convenient use, and the error is little, is worth promoting.

(2) Through mutually supporting of flat connector, connecting hole and steel ring, can conveniently make circular motion each other with four telescopic link, expand during the use, folding the amalgamation during carrying for whole field green manure sample, survey and produce instrument convenient to carry, convenient to use.

(3) Through all setting up the scale mark on dead lever, hollow tube and extension bar for the user can be according to "length on dead lever and the hollow tube and the length that the extension bar exposes the hollow tube" quick accurate calculate the sample area of field green manure, take a sample and survey the product, easy operation, convenient to use.

(4) The user is adjusting the extension bar and is exposing the length of hollow tube after, through spacing slot and spacing plug-in components mutually support, can carry on spacingly to the extension bar, avoids taking place the secondary displacement at the in-process extension bar of measuring, influences measurement.

(5) Clockwise pivoted power is exerted through the bull stick, can drive rotary drum and nut clockwise rotation in spacing recess, and then drive the screw inserted bar with nut threaded connection to the direction motion of spacing slot and peg graft with spacing slot, can carry out spacing fixed to the extension bar, when anticlockwise rotation bull stick, can drive with rotary drum and nut anticlockwise rotation for the screw inserted bar to the direction motion of keeping away from spacing recess and with spacing slot separation, the position of adjustable extension bar this moment.

(6) Through mutually supporting of slider and spout, can play the effect of side-to-side motion direction to the extension bar, still avoid the extension bar to take place the phenomenon that breaks away from with the hollow tube simultaneously.

(7) The two bearings can support and fix the rotary drum, and the normal rotation of the rotary drum is not affected.

(8) The limiting block is arranged to play a limiting role in the threaded inserted rod, so that the threaded inserted rod is prevented from being separated from the rotary drum, and the normal work of the threaded inserted rod is influenced.

(9) The buffer spring can play a role in buffering, the threaded insertion rod is prevented from being in contact with the rotary drum due to excessive force, the friction force between the hand of a user and the rotary rod can be increased by arranging the anti-skidding rotary handle, and the rotary drum is convenient for the user to rotate.

Drawings

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

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the point B in FIG. 2 according to the present invention;

FIG. 5 is a schematic structural view of the folding process of the present invention;

fig. 6 is a schematic view of the carrying state of the present invention.

The reference numbers in the figures illustrate:

1. a telescopic connecting rod; 101. fixing the rod; 102. a hollow tube; 103. lengthening a rod; 104. an extension spring; 2. a flat connector; 3. connecting holes; 4. a steel ring; 5. a limiting plug-in; 51. a limiting groove; 52. a rotating drum; 53. a nut; 54. a threaded bayonet; 55. a rotating rod; 6. limiting slots; 7. a slider; 8. a chute; 9. a bearing; 10. a limiting block; 11. a buffer spring; 12. anti-skid rotating handle.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, a field green manure sampling and production testing tool comprises four telescopic connecting rods 1 which are the same in length and movably connected end to end in pairs, wherein the four telescopic connecting rods are folded into a whole and are quadrilateral after being unfolded, each telescopic connecting rod 1 comprises a fixed rod 101 and a hollow pipe 102, extension rods 103 are inserted into the four hollow pipes 102, one ends of the four extension rods 103, which are close to the fixed rods 101, are fixedly connected with the fixed rods 101, one ends of the four extension rods 103, which are far away from the fixed rods 101, are fixedly connected with extension springs 104, one ends of the extension springs 104, which are far away from the extension rods 103, are fixedly connected with the inner side walls of the hollow pipes 102, when a user needs to use the field green manure sampling and production testing tool, the four telescopic connecting rods 1 are unfolded to form a quadrilateral, and the lengths of the telescopic connecting rods 1 are adjusted according to different, the extension bar 103 is exposed out of the hollow pipe 102, and finally area calculation is carried out according to the sum of the lengths of the fixing rod 101, the hollow pipe 102 and the extension bar 103 exposed out of the hollow pipe 102, so that green manure with different areas can be measured and calculated by field green manure sampling and production measuring tools.

Further, but the equal fixedly connected with flat connector 2 in telescopic connection pole 1's both ends, connecting hole 3 has all been seted up on four flat connectors 2, but connecting hole 3 of two liang of end to end telescopic connection pole 1 coincidence links together through steel ring 4, through flat connector 2, mutually supporting of connecting hole 3 and steel ring 4, can conveniently be with four telescopic connection pole 1 circular motion of doing each other, expand during the use, folding amalgamation during carrying, make the green manure sample in whole field, survey and produce instrument convenient to carry, high durability and convenient use.

Further, dead lever 101, all be provided with the scale mark on hollow tube 102 and the extension bar 103, the scale that extension bar 103 is close to one side of dead lever 101 is "0", and to keeping away from the direction scale value of dead lever 101 and crescent, through at dead lever 101, all set up the scale mark on hollow tube 102 and the extension bar 103, make the user can be according to "dead lever 101 and the length on hollow tube 102 plus the length that extension bar 103 exposes hollow tube 102" the fast accurate sample area who calculates field green manure, take a sample and survey the product, and is simple in operation, high durability and convenient use.

Further, all be provided with spacing plug-in components 5 on four hollow tubes 102, four extension bar 103 are gone up and are located the one side that is close to four hollow tube 102 outsides respectively and all set up the spacing slot 6 that the equidistance was arranged, four spacing plug-in components 5 peg graft with spacing slot 6 respectively, the user is adjusting extension bar 103 and expose the length of hollow tube 102 after, through spacing slot 6 and spacing plug-in components 5 mutually supporting, can carry on spacingly to extension bar 103, avoid taking place the secondary displacement at measuring in-process extension bar 103, influence measurement.

Furthermore, the limiting plug-in 5 comprises a limiting groove 51, the limiting groove 51 is opened on the inner wall of the hollow tube 102 corresponding to the limiting slot 6, a rotary drum 52 is arranged inside the limiting groove 51, a nut 53 is fixedly connected to one side of the rotary drum 52 close to the extension bar 103, a threaded plug-in rod 54 is connected to the nut 53 in a threaded manner, one end of the threaded plug-in rod 54 close to the extension bar 103 extends to the inside of the limiting slot 6 to be plugged in the limiting slot 6, one end of the threaded plug-in rod 54 far away from the extension bar 103 penetrates through and extends to the inside of the rotary drum 52, a rotary rod 55 is fixedly connected to one side of the rotary drum 52 far away from the extension bar 103, one end of the rotary rod 55 far away from the rotary drum 52 penetrates through the limiting groove 51 to extend to the outside of the hollow tube 102, the rotary drum 52 and the nut 53 can be driven to rotate clockwise in the limiting groove 51 by applying a clockwise rotation force to the rotary rod 55, and further, can carry out spacing fixed to extension bar 103, when anticlockwise rotation bull stick 55, can drive with rotary drum 52 and nut 53 anticlockwise rotation for screw inserted bar 54 is to the direction motion of keeping away from spacing recess 51 and with spacing slot separation, the position of adjustable extension bar 103 this moment.

Further, extension bar 103 is last and be located the equal fixedly connected with slider 7 in one side that is close to hollow tube 102 inboard, and hollow tube 102 corresponds the inside wall of slider 7 one side and has seted up spout 8, and slider 7 and 8 sliding connection of spout, through mutually supporting of slider 7 and spout 8, can play the effect of side-to-side movement direction to extension bar 103, still avoid extension bar 103 to take place the phenomenon that breaks away from with hollow tube 102 simultaneously.

Further, the cover is equipped with two bearings 9 on the rotary drum 52, the lateral surface of rotary drum 52 respectively with the inner circle fixed connection of two bearings 9, the lateral surface of two bearings 9 respectively with spacing recess 51's inside wall fixed connection, can play the fixed effect of support to rotary drum 52 through setting up two bearings 9, do not influence the normal pivoted work of rotary drum 52 simultaneously.

Further, the one end fixedly connected with stopper 10 that extension bar 103 was kept away from to screw inserted bar 54, stopper 10 are located the inside of rotary drum 52, can play spacing effect to screw inserted bar 54 through setting up stopper 10, avoid screw inserted bar 54 and rotary drum 52 to take place to break away from the phenomenon, and influence screw inserted bar 54's normal work.

Furthermore, one side fixedly connected with buffer spring 11 that stopper 10 kept away from screw rod 54, buffer spring 11 keep away from stopper 10 one end and the inner wall fixed connection that drum 52 is close to the hollow tube 102 outside can play the effect of buffering through setting up buffer spring 11, avoid screw rod 54 and drum 52's excessive force to contact.

Furthermore, the end of the rotating rod 55 far away from the rotating cylinder 52 is fixedly connected with the anti-slip rotating handle 12, and the friction force between the hand of the user and the rotating rod 55 can be increased by arranging the anti-slip rotating handle 12, so that the rotating cylinder 52 can be rotated by the user conveniently.

The working principle is as follows: when a user needs to use the field green manure sampling and production measuring tool, the four telescopic connecting rods 1 are unfolded to form a quadrangle, then the rotating rod 55 is rotated anticlockwise to drive the rotating cylinder 52 and the nut 53 to rotate anticlockwise, so that the threaded inserting rod 54 moves towards the direction far away from the limiting groove 51 and is separated from the limiting groove, then pulling force is applied to the fixing rod 101, the lengthening rod 103 is exposed out of the hollow pipe 102, after the length of the lengthening rod 103 is adjusted according to the actual requirements of different green manures, clockwise rotating force is applied to the rotating rod 55 to drive the rotating cylinder 52 and the nut 53 to rotate clockwise in the limiting groove 51, further the threaded inserting rod 54 in threaded connection with the nut 53 is driven to move towards the limiting groove 6 and is inserted into the limiting groove 6, the lengthening rod 103 can be limited and fixed, and finally area calculation is carried out according to the sum of the lengths of the fixing rod 101, the hollow pipe 102 and the hollow pipe 103 exposed out of the limiting groove 102, make field green manure sample, survey the green manure that produces instrument measurable quantity and calculate different areas, and the operation is simple, high durability and convenient use, be worth promoting, after measuring, through flat connector 2, connecting hole 3 and steel ring 4 mutually support, with the green manure sample, survey the folding merger of producing instrument together, reduce the green manure sample in whole field, survey the area of producing the instrument, make and carry more convenient, this kind of high durability and convenient use, convenient to carry's green manure sample, survey the instrument of producing, be worth promoting.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a field green manure sample, survey instrument of producing, includes four length the same, and two liang of head and the tail swing joint's telescopic link pole (1), its characterized in that: four folding telescopic link closes as an organic whole after, opens the back and is the quadrangle, four telescopic link (1) all includes dead lever (101) and hollow tube (102), four the inside of hollow tube (102) all alternates and is provided with extension bar (103), four one end that extension bar (103) are close to dead lever (101) respectively with dead lever (101) fixed connection, four one end difference fixedly connected with extension spring (104) that dead lever (101) were kept away from in extension bar (103), extension spring (104) keep away from the one end of extension bar (103) respectively with the inside wall fixed connection of hollow tube (102).

2. The field green manure sampling and production testing tool of claim 1, wherein: the connecting device is characterized in that flat connectors (2) are fixedly connected to the two ends of the telescopic connecting rods (1) respectively, four connecting holes (3) are formed in the flat connectors (2), and the connecting holes (3) which coincide with each other in the telescopic connecting rods (1) which are connected end to end are connected together through steel rings (4).

3. The field green manure sampling and production testing tool of claim 1, wherein: the fixed rod (101), the hollow pipe (102) and the extension rod (103) are all provided with scale marks, the scale of one side of the extension rod (103) close to the fixed rod (101) is '0', and the scale value is gradually increased towards the direction far away from the fixed rod (101).

4. The field green manure sampling and production testing tool of claim 1, wherein: limiting plug-in units (5) are arranged on the four hollow pipes (102), limiting slots (6) which are arranged equidistantly are arranged on the four extension bars (103) and are respectively positioned on one side close to the outer sides of the four hollow pipes (102), and the four limiting plug-in units (5) are respectively plugged with the limiting slots (6).

5. The field green manure sampling and production testing tool of claim 4, wherein: the limiting plug-in (5) comprises a limiting groove (51), the limiting groove (51) is arranged on the inner wall of the hollow tube (102) corresponding to the limiting slot (6), a rotary drum (52) is arranged in the limiting groove (51), a nut (53) is fixedly connected to one side of the rotary drum (52) close to the extension bar (103), a threaded inserted bar (54) is connected to the nut (53) in a threaded manner, one end of the threaded inserted bar (54) close to the extension bar (103) extends to the inside of the limiting slot (6) to be inserted into the limiting slot (6), one end of the threaded inserted rod (54) far away from the extension rod (103) penetrates through and extends to the interior of the rotary drum (52), a rotating rod (55) is fixedly connected to one side of the rotating cylinder (52) far away from the extension rod (103), one end of the rotating rod (55) far away from the rotating drum (52) penetrates through the limiting groove (51) and extends to the outer side of the hollow pipe (102).

6. The field green manure sampling and production testing tool of claim 1, wherein: the extension bar (103) is provided with a slide block (7) which is fixedly connected to one side close to the inner side of the hollow tube (102), the hollow tube (102) is provided with a slide groove (8) corresponding to the inner side wall of one side of the slide block (7), and the slide block (7) is connected with the slide groove (8) in a sliding manner.

7. The field green manure sampling and production testing tool of claim 5, wherein: the rotary drum (52) is sleeved with two bearings (9), the outer side faces of the rotary drum (52) are fixedly connected with the inner rings of the two bearings (9) respectively, and the outer side faces of the two bearings (9) are fixedly connected with the inner side walls of the limiting grooves (51) respectively.

8. The field green manure sampling and production testing tool of claim 5, wherein: one end, far away from the extension bar (103), of the threaded insertion bar (54) is fixedly connected with a limiting block (10), and the limiting block (10) is located inside the rotary drum (52).

9. The field green manure sampling and production testing tool of claim 8, wherein: one side of the limiting block (10) far away from the threaded insertion rod (54) is fixedly connected with a buffer spring (11), and one end of the buffer spring (11) far away from the limiting block (10) is fixedly connected with the inner wall of the rotary drum (52) close to the outer side of the hollow pipe (102).

10. The field green manure sampling and production testing tool of claim 5, wherein: one end of the rotating rod (55) far away from the rotating cylinder (52) is fixedly connected with an anti-skid rotating handle (12).