CN216246061U - Fixed sample plot investigation frame of vegetation in forest - Google Patents
Fixed sample plot investigation frame of vegetation in forest Download PDFInfo
- Publication number
- CN216246061U CN216246061U CN202122226114.6U CN202122226114U CN216246061U CN 216246061 U CN216246061 U CN 216246061U CN 202122226114 U CN202122226114 U CN 202122226114U CN 216246061 U CN216246061 U CN 216246061U
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- rod
- forest
- frame
- vegetation
- fixed
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Abstract
The utility model relates to the technical field of under-forest vegetation investigation, in particular to an under-forest vegetation fixed sample plot investigation frame which comprises a first transverse rod, a second transverse rod, a first longitudinal rod and a second longitudinal rod, wherein two ends of the first transverse rod are detachably connected with one end of the first longitudinal rod and one end of the second longitudinal rod through right-angle joints respectively; the position of the second cross rod can be adjusted through the sliding sleeve, so that the size specification of the investigation frame is adjusted, the sampling area is set according to research requirements, and the applicability is wider; in addition, the overall height of the survey frame can be adjusted.
Description
Technical Field
The utility model relates to the technical field of investigation of under-forest vegetation, in particular to a fixed sample plot investigation frame of under-forest vegetation.
Background
Under-forest vegetation survey generally adopts a sample survey method, and generally, a survey box is arranged on a selected sample, and then the type, the number, the coverage and the like of plants in the box are researched.
The existing survey box has the following limitations:
1. the investigation frame is of a fixed structure and is inconvenient to carry;
2. the size specification of the investigation frame is not adjustable;
3. the height of the investigation frame is not adjustable;
the above causes inconvenience in the use of the survey box.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a survey frame for fixed sample plots of the vegetation under the forest.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a fixed sample plot investigation frame of vegetation in forest, characterized by contains first horizontal pole, second horizontal pole, first vertical pole and the second vertical pole that encloses synthetic rectangular frame structure, the both ends of first horizontal pole are connected can be dismantled with the one end of first vertical pole, second vertical pole through the right angle respectively and are connected, two tip of second horizontal pole are fixed with the sliding sleeve respectively, the sliding sleeve respectively with first vertical pole, second vertical pole sliding connection, be provided with the holding screw that is used for locking on the sliding sleeve, second horizontal pole middle part is fixed with and connects the second, the right angle is connected and is all run through and be provided with the screw hole with screw hole, screw hole female connection has the height-adjusting screw.
According to another embodiment of the utility model, the first cross bar is fixed with a first joint in the middle, the sliding sleeve is provided with a wing plate at the outer side, the first joint and the wing plate are provided with a skewing hole, and a skewing rod for fixing is arranged in the skewing hole.
The conventional investigation frame is not fixed usually, the position of the investigation frame can be changed when severe weather occurs, the investigation frame is effectively fixed through the inserting rod, and the accuracy of a sampling result is guaranteed.
According to another embodiment of the utility model, the first vertical rod or the second vertical rod is provided with scale marks, so that the area of the investigation frame can be accurately adjusted.
According to another embodiment of the present invention, further comprising that the height-adjusting screw is a big head screw.
According to another embodiment of the present invention, the first cross bar, the second cross bar, the first side bar and the second side bar are all round bars.
The portable sample taking device has the advantages that the detachable connecting structure is formed by the right-angle connector and the sliding sleeve, the portable sample taking device can be conveniently carried outside, and after a sample is taken, the frame structure is formed by splicing; the position of the second cross rod can be adjusted through the sliding sleeve, so that the size specification of the investigation frame is adjusted, the sampling area is set according to research requirements, and the applicability is wider; in addition, the overall height of the investigation frame can be adjusted by adjusting the height adjusting screws in the right-angle joint and the two threaded holes of the joint so as to adapt to the research requirement.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view at a threaded bore;
fig. 3 is a cross-sectional view at the cutting hole.
In the figure, 1, a first transverse rod, 2, a second transverse rod, 3, a first longitudinal rod, 4, a second longitudinal rod, 5, a right-angle joint, 6, a sliding sleeve, 7, a set screw, 8, a first joint, 9, a second joint, 10, a threaded hole, 11, a height-adjusting screw, 12, a wing plate, 13, a skewing hole, 14, a skewing rod, 15 and scale marks are arranged.
Detailed Description
As shown in fig. 1 to 3, which are schematic structural diagrams of the present invention, the investigation frame for fixing sample plot of vegetation under forest is characterized by comprising a first cross bar 1, a second cross bar 2, a first longitudinal bar 3 and a second longitudinal bar 4 which enclose a rectangular frame structure, wherein two ends of the first cross bar 1 are detachably connected with one end of the first longitudinal bar 3 and one end of the second longitudinal bar 4 through right-angle joints 5, two ends of the second cross bar 2 are respectively fixed with sliding sleeves 6, the sliding sleeves 6 are respectively connected with the first longitudinal bar 3 and the second longitudinal bar 4 in a sliding manner, the sliding sleeves 6 are provided with set screws 7 for locking, the middle part of the second cross bar 2 is fixed with a second joint 9, the right-angle joints 5 and the second joints 9 are both provided with threaded holes 10 in a penetrating manner, and the threaded holes 10 are connected with height-adjusting screws 11 through internal threads.
Specifically, the detachable connecting structure is formed by the right-angle connector 5 and the sliding sleeve 6, when the detachable connecting structure is not used, the first transverse rod 1, the second transverse rod 2, the first longitudinal rod 3 and the second longitudinal rod 4 do not form a connecting relation, the detachable connecting structure can be conveniently carried outside, and after a sample is taken, the detachable connecting structure is spliced into a frame structure; the position of the second cross rod 2 can be adjusted through the sliding sleeve 6 and then locked by the set screw 7, so that the size specification of the investigation frame is adjusted, the sampling area is set according to research needs, and the applicability is wider; in addition, the height adjusting screws 11 in the threaded holes 10 of the right-angle connector 5 and the connector II 9 can be adjusted, the total number of the height adjusting screws 11 is 3, and the overall height of the investigation frame can be adjusted to meet the research requirement.
According to another embodiment of the utility model, further comprising a first connector 8 fixed in the middle of the first cross bar 1, a wing 12 arranged on the outer side of the sliding sleeve 6, a skewing hole 13 arranged on each of the first connector 8 and the wing 12, and a cutting rod 14 for fixing arranged in the skewing hole 13.
The existing investigation frame is not fixed normally, and when severe weather occurs, the position of the investigation frame is changed, the fixing of the investigation frame is effectively realized through the cuttage rod 14, and the accuracy of sampling results is ensured.
According to another embodiment of the present invention, it further comprises a graduation mark 15 disposed on the first vertical rod 3 or the second vertical rod 4.
The longitudinal length of the survey frame is accurately displayed through the scale lines 15, thereby accurately adjusting the area of the survey frame.
According to another embodiment of the present invention, it is further included that the height-adjusting screw 11 is a big head screw.
According to another embodiment of the present invention, it further comprises that the first cross bar 1, the second cross bar 2, the first longitudinal bar 3 and the second longitudinal bar 4 are all round bars.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (5)
1. A survey frame for fixed sample plot of vegetation under forest is characterized by comprising a first cross bar (1), a second cross bar (2), a first vertical bar (3) and a second vertical bar (4) which are enclosed into a rectangular frame structure, two ends of the first cross rod (1) are respectively detachably connected with one ends of the first longitudinal rod (3) and the second longitudinal rod (4) through right-angle joints (5), two ends of the second transverse rod (2) are respectively fixed with a sliding sleeve (6), the sliding sleeves (6) are respectively connected with the first longitudinal rod (3) and the second longitudinal rod (4) in a sliding way, a set screw (7) for locking is arranged on the sliding sleeve (6), a second joint (9) is fixed in the middle of the second cross rod (2), the right-angle connector (5) and the connector II (9) are provided with threaded holes (10) in a penetrating mode, and height adjusting screws (11) are connected to the threaded holes (10) in an internal thread mode.
2. The fixed sample plot investigation frame of the forest vegetation according to claim 1, wherein a first connector (8) is fixed in the middle of the first cross bar (1), a wing plate (12) is arranged at the outer side of the sliding sleeve (6), a skewing hole (13) is formed in each of the first connector (8) and the wing plate (12), and a skewing rod (14) for fixing is arranged in each skewing hole (13).
3. The investigation frame for the fixed sample plot of the vegetation in the forest as claimed in claim 1, wherein the first vertical rod (3) or the second vertical rod (4) is provided with scale marks (15).
4. The investigation frame for fixing sample plots of vegetation under forest as set forth in claim 1, wherein the height-adjusting screws (11) are large head screws.
5. The investigation frame for the fixed sample plot of the vegetation in the forest as claimed in claim 1, wherein the first cross bar (1), the second cross bar (2), the first vertical bar (3) and the second vertical bar (4) are all round bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226114.6U CN216246061U (en) | 2021-09-15 | 2021-09-15 | Fixed sample plot investigation frame of vegetation in forest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226114.6U CN216246061U (en) | 2021-09-15 | 2021-09-15 | Fixed sample plot investigation frame of vegetation in forest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216246061U true CN216246061U (en) | 2022-04-08 |
Family
ID=80985707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122226114.6U Expired - Fee Related CN216246061U (en) | 2021-09-15 | 2021-09-15 | Fixed sample plot investigation frame of vegetation in forest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216246061U (en) |
-
2021
- 2021-09-15 CN CN202122226114.6U patent/CN216246061U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |