CN114792485B - Portable box for mechanical experiment tool - Google Patents
Portable box for mechanical experiment tool Download PDFInfo
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- CN114792485B CN114792485B CN202210512024.XA CN202210512024A CN114792485B CN 114792485 B CN114792485 B CN 114792485B CN 202210512024 A CN202210512024 A CN 202210512024A CN 114792485 B CN114792485 B CN 114792485B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims description 66
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 229920001821 foam rubber Polymers 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 101000901617 Notophthalmus viridescens Homeobox protein DLX-3 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
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- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention discloses a mechanical experiment tool portable box, which structurally comprises a handle, a top cover, buckles, a containing box and a moving wheel, wherein the handle is arranged at the front side of the upper end of the top cover, the top cover is arranged at the upper end of the containing box, the top cover is connected with the front end of the containing box through the buckles in a clamping way, a spring applies reverse elastic force, the outer sides of weights are tightly abutted against each other by a top plate, the bottoms of the weights and magnetic sheets are magnetically adsorbed, the weights are placed in clamping grooves in a descending way, weights of different types are placed in a separated way, deformation damage caused by collision between the weights and the inner wall of a box body in the moving process is avoided, a winding column is smoothly rotated to wind and contain an experiment rope, a telescopic hose is elastically reset, and a rotating block is driven to elastically rotate by a torsion shaft, so that the outer abutting piece is abutted against the outer side of the rope wound at the upper end of the outer side of the winding column, the firmness of the rope is improved, and the rope is prevented from knotting.
Description
Technical Field
The invention relates to the field of mechanical experiments, in particular to a portable box for mechanical experiment tools.
Background
In the middle of high school physics course study, need do many experiments and verify some theories and guess, including instrument such as weight, gravity couple, rope in the mechanics experiment instrument, need use the instrument portable case to carry out the orderly accomodate to these instruments, avoid the instrument to take place to lose, but because current instrument portable case is direct to place instrument such as weight, gravity couple, rope inside the instrument portable case, the gravity model of weight is more, the effect of going on the induction to it is relatively poor, lead to between the weight and the inside collision of weight and instrument portable case easily in the in-process of removing, lead to the weight to damage and the inside deformation of taking place of instrument portable case easily, the effect of winding accomodate is not good to the rope simultaneously, the rope takes place to tie down easily in the in-process of accomodating, still need tie down the department of rope and untie, the teaching efficiency of experiment is reduced.
Disclosure of Invention
The technical scheme adopted for realizing the technical purpose of the invention is as follows: this mechanics experiment instrument portable case, its structure includes handle, top cap, buckle, containing box, removal wheel, the handle is installed in top cap upper end front side to the top cap is installed in the containing box upper end, the top cap passes through the buckle block with the containing box front end and is connected, it establishes in the containing box bottom to remove the wheel, the containing box includes box, foam-rubber cushion, weight block mechanism, standing groove, buckle slab, slewing mechanism, the foam-rubber cushion is installed in the laminating of box inner wall to the top cap passes through the buckle block with the box end and is connected, weight block mechanism establishes inside the box left end, and the standing groove is installed inside the box right-hand member, standing groove upper end middle part is equipped with the buckle slab, slewing mechanism installs at the inside middle-end in the box right side.
As a further improvement of the invention, the weight clamping mechanism comprises a clamping groove, a top plate, a top rod, springs and an adsorption mechanism, wherein the clamping groove is arranged in the left end of the box body, the top plate is positioned in the clamping groove, the top rod is arranged at the outer side end of the top plate, the springs are arranged in the middle of the top rod, the adsorption mechanism is positioned at the middle end of the inner bottom of the clamping groove, the clamping groove is of a cavity cylinder structure and is matched with the shape of a circular weight, and the top plate, the top rod and the springs are all four and are arranged in four directions in the clamping groove.
As a further improvement of the invention, the adsorption mechanism comprises a pressing plate, magnetic sheets, linkage plates, sliding blocks and spring guide rods, wherein the magnetic sheets are arranged on the upper end face of the pressing plate and are positioned at the middle end of the inner side bottom of the clamping groove, the middle end of the bottom of the pressing plate is hinged with the upper end of the linkage plates, the lower end of the linkage plates is hinged with the upper end of the sliding blocks, the spring guide rods penetrate through the sliding blocks in a clearance fit manner, the number of the linkage plates is two, and the two linkage plates are of inverted structures.
As a further improvement of the invention, the rotating mechanism comprises a rotating rod, a winding mechanism, a bottom plate, a rotating ball and a guiding rotating groove, wherein the lower end of the rotating rod is provided with the winding mechanism, the winding mechanism) is arranged at the middle end of the right side of the box body, the bottom of the winding mechanism is provided with the bottom plate, the middle end of the bottom plate is provided with the rotating ball, the rotating ball is arranged in the guiding rotating groove in a clearance fit manner, the guiding rotating groove is fixedly arranged at the bottom of the inner side of the box body, a sphere cavity is arranged in the guiding rotating groove, and the diameter of the sphere cavity is slightly larger than that of the rotating ball.
As a further improvement of the invention, the winding mechanism comprises an outer propping mechanism, a telescopic hose, a limiting plate and a winding column, wherein the middle part of the upper end of the outer propping mechanism is provided with a rotating rod, the upper end of the telescopic hose is fixed with the middle end of the bottom of the outer propping mechanism, the bottom of the telescopic hose is provided with the limiting plate, the limiting plate is installed inside the winding column in a clearance fit manner, the bottom of the winding column is provided with a bottom plate, and the telescopic hose is of a fold-shaped structure and is made of rubber materials and has certain rebound resilience.
As a further improvement of the invention, the outer propping mechanism comprises a top plate, a torsion shaft, a rotating block and outer propping sheets, wherein the middle end of the bottom of the top plate is fixed with the upper end of a telescopic hose, a rotating rod is arranged in the middle of the upper end of the top plate, the rotating block is hinged with the inside of the top plate through the torsion shaft, the outer propping sheets are arranged at the bottom of the rotating block and are positioned at the outer side of the upper end of a winding column, the torsion shaft, the rotating block and the outer propping sheets are respectively provided with two, and the outer propping sheets are in arc-shaped structures and are positioned at the left end and the right end of the outer side of the winding column.
The invention has the beneficial effects that:
1. The reverse elasticity is applyed to the spring, and the roof closely contradicts the weight outside, and magnetic adsorption takes place for the bottom and the magnetic sheet of weight, and the interlock board is the interlock down for the sliding block slides outside on the spring guide arm, and it is inside to put the block groove down with the weight, separates the weight of different models and places, avoids between the weight and the box inner wall bump and leads to deformation damage in the removal in-process.
2. The upper end of the winding mechanism is pulled up, the upper end of the winding column is separated from the outer supporting mechanism, the winding column rotates in the process of assisting in rotating through the rotating ball in the guide rotating groove, the winding column is improved to smoothly rotate to wind and store a rope for experiment, the flexible hose elastically resets, the rotating block is driven to elastically rotate through the torsion shaft, so that the outer supporting piece is abutted against the outer side of the rope wound on the upper end of the outer side of the winding column, the firmness of winding the rope on the outer side of the winding column is improved, and knotting of the rope is avoided.
Drawings
FIG. 1 is a schematic structural view of a portable case for mechanical experiment tools according to the present invention.
Fig. 2 is a schematic top view of an internal structure of a storage box according to the present invention.
Fig. 3 is a schematic top view of a weight engaging mechanism according to the present invention.
Fig. 4 is a schematic structural view of an adsorption mechanism according to the present invention.
Fig. 5 is a schematic structural view of a rotating mechanism according to the present invention.
Fig. 6 is a schematic structural view of an operating state of a winding mechanism according to the present invention.
Fig. 7 is a schematic structural view of an external supporting mechanism according to the present invention.
In the figure: the device comprises a handle-1, a top cover-2, a buckle-3, a storage box-4, a moving wheel-5, a box body-41, a foam cushion-42, a weight clamping mechanism-43, a placing groove-44, a buckling plate-45, a rotating mechanism-46, a clamping groove-431, a top plate-432, a top rod-433, a spring-434, an adsorption mechanism-435, a pressing plate-35 a, a magnetic sheet-35 b, a linkage plate-35 c, a sliding block-35 d, a spring guide rod-35 e, a rotating rod-461, a winding mechanism-462, a bottom plate-463, a rotating ball-464, a guide rotating groove-465, an outer abutting mechanism-62 a, a telescopic hose-62 b, a limiting plate-62 c, a winding column-62 d, a top plate-a 1, a torsion shaft-a 2, a rotating block-a 3 and an outer abutting sheet-a 4.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
Example 1:
As shown in fig. 1 to 4:
The invention relates to a portable case for mechanical experiment tools, which structurally comprises a handle 1, a top cover 2, a buckle 3, a containing case 4 and a moving wheel 5, wherein the handle 1 is arranged at the front side of the upper end of the top cover 2, the top cover 2 is arranged at the upper end of the containing case 4, the top cover 2 is in clamping connection with the front end of the containing case 4 through the buckle 3, the moving wheel 5 is arranged at the bottom of the containing case 4, the containing case 4 comprises a case body 41, a foam-rubber cushion 42, a weight clamping mechanism 43, a placing groove 44, a buckling plate 45 and a rotating mechanism 46, the inner wall of the case body 41 is attached with a foam-rubber cushion 42, the top cover 2 is in clamping connection with the end of the case body 41 through the buckle 3, the weight clamping mechanism 43 is arranged in the left end of the case body 41, the placing groove 44 is arranged in the right end of the case body 41, the buckling plate 45 is arranged in the middle of the upper end of the placing groove 44, and the rotating mechanism 46 is arranged at the middle of the right side of the case body 41.
The weight clamping mechanism 43 comprises a clamping groove 431, a top plate 432, a top rod 433, springs 434 and an adsorption mechanism 435, wherein the clamping groove 431 is formed in the left end of the box 41, the top plate 432 is located inside the clamping groove 431, the top rod 433 is arranged at the outer side end of the top plate 432, the springs 434 are arranged in the middle of the top rod 433, the adsorption mechanism 435 is located at the middle end of the inner side bottom of the clamping groove 431, the clamping groove 431 is of a cavity cylinder structure and is matched with a circular weight in shape, circular weights are conveniently placed inside the clamping groove 431, the top plate 432, the top rod 433 and the springs 434 are all provided with four, and are arranged in four directions inside the clamping groove 431, so that the outer sides of the weights are conveniently clamped and fixed, the firmness of the weights placed inside the clamping groove 431 is improved, and collision between the weights is avoided.
The adsorption mechanism 435 includes a pressing plate 35a, a magnetic sheet 35b, a linkage plate 35c, a sliding block 35d, and a spring guide rod 35e, where the upper end surface of the pressing plate 35a is provided with the magnetic sheet 35b, and the magnetic sheet 35b is located at the middle end of the inner bottom of the locking groove 431, the middle end of the bottom of the pressing plate 35a is hinged to the upper end of the linkage plate 35c, the lower end of the linkage plate 35c is hinged to the upper end of the sliding block 35d, the spring guide rod 35e penetrates through the inside of the sliding block 35d by adopting clearance fit, the linkage plate 35c is provided with two linkage plates 35c and has an inverted V-shaped structure, and the pressing plate 35a is moved up and down by the angular offset of the linkage plates 35c, so that weights are ejected out of the inside of the locking groove 431, and the weights are prevented from being blocked inside the locking groove 431 and being difficult to take out.
Specific use and action of the embodiment:
In the invention, a gravity weight is used in a mechanical experiment, when the weight is stored, the circular weight is placed in the clamping groove 431, the outer side of the weight is contacted with the top plate 432, at the moment, the top plate 433 moves outwards, meanwhile, the spring 434 exerts reverse elastic force, so that the top plate 432 tightly props against the outer side of the weight, the weight is fixed at the inner side of the clamping groove 431, meanwhile, the bottom of the weight and the magnetic sheet 35b generate magnetic adsorption, meanwhile, the weight of the weight presses down the pressing plate 35a, at the moment, the linkage plate 35c is linked downwards, so that the sliding block 35d slides outwards on the spring guide rod 35e, the weight is placed in the clamping groove 431 in a descending manner, different weights are separated, deformation damage caused by collision between the weights and the inner wall of the box 41 in the moving process is avoided, when the weight is required to be taken out from the inside of the clamping groove 431, the pressing plate 35a is pushed up from the inside of the clamping groove 431 through the spring guide rod 35e, and the weight is prevented from being difficult to take out from the inside the clamping groove 431.
Example 2:
As shown in fig. 5 to 7:
Wherein, the slewing mechanism 46 includes bull stick 461, winding mechanism 462, bottom plate 463, turning ball 464, direction change groove 465, bull stick 461 lower extreme is equipped with winding mechanism 462 to winding mechanism 462 installs at the inside middle-end in box 41 right side, winding mechanism 462 bottom is equipped with bottom plate 463, bottom plate 463 bottom middle-end is equipped with turning ball 464, and the turning ball 464 adopts clearance fit to install inside direction change groove 465, direction change groove 465 fixed mounting is in the inboard bottom of box 41, direction change groove 465 inside is equipped with the spheroid cavity to the diameter of spheroid cavity slightly is greater than the diameter of turning ball 464, ensures that turning ball 464 carries out the location rotation in direction change groove 465 inside, thereby ensures that winding mechanism 462 carries out smooth rotation and twines the rope of experiment accomodate.
The winding mechanism 462 comprises an outer supporting mechanism 62a, a telescopic hose 62b, a limiting plate 62c and a winding column 62d, wherein a rotating rod 461 is arranged in the middle of the upper end of the outer supporting mechanism 62a, the upper end of the telescopic hose 62b is fixed with the middle end of the bottom of the outer supporting mechanism 62a, the limiting plate 62c is arranged at the bottom of the telescopic hose 62b, the limiting plate 62c is installed inside the winding column 62d in a clearance fit manner, a bottom plate 463 is arranged at the bottom of the winding column 62d, the telescopic hose 62b is of a fold-shaped structure, and is made of rubber materials and has certain rebound resilience, so that after the outer supporting mechanism 62a is wound on the winding column 62d, the outer supporting mechanism 62a is clamped on the winding column 62d, and the rope is prevented from falling off from the winding column 62 d.
The outer supporting mechanism 62a comprises a top plate a1, a torsion shaft a2, a rotating block a3 and an outer supporting piece a4, wherein the middle end of the bottom of the top plate a1 is fixed with the upper end of a telescopic hose 62b, a rotating rod 461 is arranged in the middle of the upper end of the top plate a1, the rotating block a3 is hinged with the inside of the top plate a1 through the torsion shaft a2, the outer supporting piece a4 is arranged at the bottom of the rotating block a3, the outer supporting piece a4 is positioned at the outer side of the upper end of a winding column 62d, the torsion shaft a2, the rotating block a3 and the outer supporting piece a4 are both provided with two, and the outer supporting piece a4 is in an arc-shaped structure and positioned at the left and right ends of the outer side of the winding column 62d, so that the rope is in favor of being in conflict with the winding column 62d, the firmness of the rope winding at the outer side of the winding column 62d is improved, and the rope is prevented from knotting.
Specific use and action of the embodiment:
In the invention, when the experimental rope is wound and stored, the upper end of the winding mechanism 462 is pulled upwards, the telescopic hose 62b is stretched, the upper end of the winding column 62d is separated from the outer supporting mechanism 62a, at this time, the rotating rod 461 drives the winding column 62d to rotate so as to wind the rope, in the rotating process of the winding column 62d, the rotating ball 464 assists to rotate in the guiding rotating groove 465, the winding column 62d is improved to smoothly rotate so as to wind and store the experimental rope, after the winding and storage of the rope are completed, the telescopic hose 62b is elastically reset, the bottom of the top plate a1 is used for supporting the upper end of the winding column 62d downwards, and meanwhile, the rotating block a3 is driven to elastically rotate by the torsion shaft a2, so that the outer supporting piece a4 is used for abutting the outer side of the rope wound on the upper end of the outer side of the winding column 62d, the firmness of the rope is improved, and the rope is prevented from knotting.
By utilizing the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the invention.
Claims (1)
1. The utility model provides a mechanics experiment instrument portable case, its structure includes handle (1), top cap (2), buckle (3), containing box (4), removes wheel (5), handle (1) are installed in top cap (2) upper end front side to top cap (2) are installed in containing box (4) upper end, top cap (2) are connected through buckle (3) block with containing box (4) front end, remove wheel (5) and establish in containing box (4) bottom, its characterized in that:
The storage box (4) comprises a box body (41), a foam-rubber cushion (42), a weight clamping mechanism (43), a placing groove (44), a buckling plate (45) and a rotating mechanism (46), wherein the foam-rubber cushion (42) is mounted on the inner wall of the box body (41) in a fitting mode, the top cover (2) is connected with the end of the box body (41) through clamping of a buckle (3), the weight clamping mechanism (43) is arranged inside the left end of the box body (41), the placing groove (44) is mounted inside the right end of the box body (41), the buckling plate (45) is arranged in the middle of the upper end of the placing groove (44), and the rotating mechanism (46) is mounted at the middle end inside the right side of the box body (41);
The weight clamping mechanism (43) comprises a clamping groove (431), a top plate (432), a top rod (433), a spring (434) and an adsorption mechanism (435), wherein the clamping groove (431) is formed in the left end of the box body (41), the top plate (432) is positioned in the clamping groove (431), the top rod (433) is arranged at the outer side end of the top plate (432), the spring (434) is arranged in the middle of the top rod (433), and the adsorption mechanism (435) is positioned at the middle end of the inner side bottom of the clamping groove (431);
the adsorption mechanism (435) comprises a pressing plate (35 a), a magnetic sheet (35 b), a linkage plate (35 c), a sliding block (35 d) and a spring guide rod (35 e), wherein the magnetic sheet (35 b) is arranged on the upper end face of the pressing plate (35 a), the magnetic sheet (35 b) is positioned at the middle end of the inner bottom of the clamping groove (431), the middle end of the bottom of the pressing plate (35 a) is hinged with the upper end of the linkage plate (35 c), the lower end of the linkage plate (35 c) is hinged with the upper end of the sliding block (35 d), and the spring guide rod (35 e) penetrates through the sliding block (35 d) in a clearance fit manner;
The rotating mechanism (46) comprises a rotating rod (461), a winding mechanism (462), a bottom plate (463), a rotating ball (464) and a guide rotating groove (465), wherein the winding mechanism (462) is arranged at the lower end of the rotating rod (461), the winding mechanism (462) is arranged at the middle inner right end of the box body (41), the bottom plate (463) is arranged at the bottom of the winding mechanism (462), the rotating ball (464) is arranged at the middle bottom of the bottom plate (463), the rotating ball (464) is arranged inside the guide rotating groove (465) in a clearance fit mode, and the guide rotating groove (465) is fixedly arranged at the bottom of the inner side of the box body (41);
The winding mechanism (462) comprises an outer supporting mechanism (62 a), a telescopic hose (62 b), a limiting plate (62 c) and a winding column (62 d), wherein a rotating rod (461) is arranged in the middle of the upper end of the outer supporting mechanism (62 a), the upper end of the telescopic hose (62 b) is fixed with the middle end of the bottom of the outer supporting mechanism (62 a), the limiting plate (62 c) is arranged at the bottom of the telescopic hose (62 b), the limiting plate (62 c) is installed inside the winding column (62 d) in a clearance fit mode, and a bottom plate (463) is arranged at the bottom of the winding column (62 d);
The outer mechanism (62 a) that supports includes roof (a 1), torsion axle (a 2), turning block (a 3), outer piece (a 4) that supports, roof (a 1) bottom middle-end is fixed mutually with flexible hose (62 b) upper end to roof (a 1) upper end middle part is equipped with bull stick (461), turning block (a 3) are articulated mutually with roof (a 1) inside through torsion axle (a 2), and turning block (a 3) bottom is equipped with outer piece (a 4) that supports, outer piece (a 4) are located winding post (62 d) upper end outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512024.XA CN114792485B (en) | 2022-05-12 | 2022-05-12 | Portable box for mechanical experiment tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512024.XA CN114792485B (en) | 2022-05-12 | 2022-05-12 | Portable box for mechanical experiment tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114792485A CN114792485A (en) | 2022-07-26 |
| CN114792485B true CN114792485B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210512024.XA Active CN114792485B (en) | 2022-05-12 | 2022-05-12 | Portable box for mechanical experiment tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114792485B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110123365A (en) * | 2010-05-07 | 2011-11-15 | 주식회사 서울과학기기 | Dynamics experiment equipment using pushpull gauge |
| CN204557877U (en) * | 2015-03-22 | 2015-08-12 | 杨青林 | Physical experiment balance |
| CN109907456A (en) * | 2017-12-13 | 2019-06-21 | 李凤英 | A kind of storage device for counterweight in Physical Experiment |
| CN211225892U (en) * | 2019-11-18 | 2020-08-11 | 苏州杰源精密机械有限公司 | Ware is accomodate to pencil convenient to arrangement |
| CN215677018U (en) * | 2021-08-24 | 2022-01-28 | 甘肃省祁连山水源涵养林研究院 | Hydrology monitoring box with location mounting structure |
-
2022
- 2022-05-12 CN CN202210512024.XA patent/CN114792485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110123365A (en) * | 2010-05-07 | 2011-11-15 | 주식회사 서울과학기기 | Dynamics experiment equipment using pushpull gauge |
| CN204557877U (en) * | 2015-03-22 | 2015-08-12 | 杨青林 | Physical experiment balance |
| CN109907456A (en) * | 2017-12-13 | 2019-06-21 | 李凤英 | A kind of storage device for counterweight in Physical Experiment |
| CN211225892U (en) * | 2019-11-18 | 2020-08-11 | 苏州杰源精密机械有限公司 | Ware is accomodate to pencil convenient to arrangement |
| CN215677018U (en) * | 2021-08-24 | 2022-01-28 | 甘肃省祁连山水源涵养林研究院 | Hydrology monitoring box with location mounting structure |
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| Publication number | Publication date |
|---|---|
| CN114792485A (en) | 2022-07-26 |
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