CN114184221B - Portable geophysical field observation equipment - Google Patents
Portable geophysical field observation equipment Download PDFInfo
- Publication number
- CN114184221B CN114184221B CN202111419127.3A CN202111419127A CN114184221B CN 114184221 B CN114184221 B CN 114184221B CN 202111419127 A CN202111419127 A CN 202111419127A CN 114184221 B CN114184221 B CN 114184221B
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- connecting plate
- detection
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- piece
- base
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- 238000001514 detection method Methods 0.000 claims abstract description 87
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention belongs to the technical field of geological instruments and discloses portable geophysical field observation equipment, which comprises a base, wherein a supporting component for supporting a detection component is arranged on the base, the supporting component is detachably connected with the detection component, the supporting component comprises a telescopic piece, the telescopic piece is fixedly arranged on the base, one end of the telescopic piece, which is far away from the base, is rotatably provided with a rotating piece, the surface of the rotating piece, which is far away from the base, is fixedly provided with positioning pieces which are distributed at intervals, the detection component comprises a detection installation piece, and the detection installation piece is slidably arranged on the rotating piece through the positioning pieces. Compared with the prior art, the invention has the beneficial effects that: the detection point can be detected in various detection modes, the detection flexibility is improved, the accuracy of the detection result is improved, the precision detection piece is protected, the detection piece is prevented from being damaged by the external environment in the moving process, the occupied space of the device is reduced, the detection personnel can conveniently carry the detection point, the portability is improved, and the use is facilitated.
Description
Technical Field
The invention belongs to the technical field of geological instruments, and particularly relates to portable geophysical field observation equipment.
Background
Geophysical prospecting is abbreviated as geophysical prospecting, which refers to the detection of geological conditions such as formation lithology and geological structures by studying and observing the changes of various geophysical fields. Because the different formation media that make up the crust often differ in density, elasticity, electrical conductivity, magnetism, radioactivity, and thermal conductivity, these characteristics need to be detected by geophysical field observation equipment.
Most of the existing geophysical field observation equipment is of an integral structure, so that the equipment is very inconvenient for detection personnel to carry and protect the equipment due to severe environment in field use, portability is reduced, and the equipment is fixed and can only be used for detection at one position in detection, so that the flexibility of detection is reduced, and the equipment is unfavorable for use.
Disclosure of Invention
The embodiment of the invention aims to provide portable geophysical field observation equipment, which aims to solve the problems set forth in the background.
The present invention has been achieved in such a way that,
The utility model provides a portable geophysical field observation equipment, the on-line screen storage device comprises a base, be provided with the supporting component who is used for supporting detection subassembly on the base, supporting component can dismantle with detection subassembly and be connected, supporting component includes the extensible member, extensible member fixed mounting is on the base and the one end that the base was kept away from to the extensible member is rotated and is installed the rotating member, the fixed surface that the base was kept away from to the rotating member installs the spacer, detection subassembly is including detecting the installed part, detect the installed part and pass through locating part slidable mounting on the rotating member, detect the installed part outside surface demountable installation has first connection plate, first connection plate is provided with the multiunit and around detecting the outside surface evenly distributed of installed part, the one end that the installed part was kept away from to first connection plate is rotated and is installed the second connection plate, the second connection plate is provided with multiunit and rotates between the second connection plate, rotate on the second connection plate of the outermost side and install the third connection plate, third connection plate is provided with the detecting member that is used for detecting different grade type data, first connection plate, second connection plate and third connection plate can form the frame type structure around detecting the installed after folding.
As a further scheme of the invention: the telescopic part is fixedly provided with a fixed mounting part, and the fixed mounting part is connected with a first fixing part for fixing the rotating part.
As a further scheme of the invention: the surface of the detection installation piece, which is close to the base, is provided with a positioning groove matched with the positioning piece.
As a further scheme of the invention: the first connecting plate is fixedly provided with spaced-apart protection pieces, the distance between the protection pieces is identical to the width of the second connecting plate and the width of the third connecting plate, and the first connecting plate is provided with a second fixing piece for fixing the third connecting plate.
As a further scheme of the invention: the clamping groove is formed in one end, far away from the detection mounting piece, of the first connecting plate piece, the supporting rod piece is rotatably mounted in the clamping groove, and the supporting rod piece is fixedly connected with the second connecting plate piece.
As a further scheme of the invention: the clamping groove is also formed in one end, far away from the detection mounting piece, of the second connecting plate, the supporting rod piece is rotatably installed in the clamping groove, the second connecting plate and the third connecting plate are rotatably connected through the clamping groove and the supporting rod piece, and one side surface of the second connecting plate and one side surface of the third connecting plate are attached to the bottom surface of the clamping groove when the second connecting plate and the third connecting plate are in a horizontal state.
As a further scheme of the invention: and the surfaces of the first connecting plate and the second connecting plate, which are far away from the base, are fixedly provided with limiting pieces for limiting the second connecting plate and the third connecting plate respectively.
As a further scheme of the invention: the surface fixed mounting that the base was kept away from to the third connection plate has the shock attenuation installed part of interval distribution, and the common fixed mounting of shock attenuation installed part has the guide, and slidable mounting has the slider of one side surface and third connection plate sliding connection on the guide, and the equal fixed mounting in slider both sides surface has the elastic component that distributes around the guide, and the one end and the shock attenuation installed part fixed connection of slider are kept away from to the elastic component, slider and detection piece fixed connection.
As a further scheme of the invention: the guide members are distributed along the length direction in which the first, second and third connection plates are unfolded.
Compared with the prior art, the invention has the beneficial effects that: the detection point can be detected in various detection modes, the detection flexibility is improved, the accuracy of the detection result is improved, the precision detection piece is protected, the detection piece is prevented from being damaged by the external environment in the moving process, the occupied space of the device is reduced, the detection personnel can conveniently carry the detection point, the portability is improved, and the use is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a portable geophysical field observation device according to an embodiment of the present invention.
Fig. 2 is a front view of a portable geophysical field observation device according to an embodiment of the present invention.
Fig. 3 is an enlarged view at A1 in fig. 2.
Fig. 4 is a schematic structural diagram of a first connection plate, a second connection plate, and a third connection plate in a portable geophysical field observation device according to an embodiment of the present invention.
Fig. 5 is a front view of a folded state of a first connection plate, a second connection plate, and a third connection plate in a portable geophysical field observation device according to an embodiment of the present invention.
In the accompanying drawings: 1. a base; 2. a telescoping member; 3. a rotating member; 4. a positioning piece; 5. a fixed mounting member; 6. a first fixing member; 7. detecting the mounting piece; 8. a positioning groove; 9. a first connecting plate member; 10. a second fixing member; 11. a guard; 12. a limiting piece; 13. a clamping groove; 14. a support rod; 15. a second connecting plate member; 16. a third connecting plate member; 17. a shock absorbing mount; 18. a guide member; 19. a slider; 20. an elastic member; 21. a detecting member; 22. a support assembly; 23. and a detection assembly.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1-5, as a preferred embodiment of the present invention, a portable geophysical field observation apparatus includes a base 1, a support assembly 22 for supporting a detection assembly 23 is provided on the base 1, the support assembly 22 is detachably connected with the detection assembly 23, the support assembly 22 includes a telescopic member 2, the telescopic member 2 is fixedly mounted on the base 1, and a rotating member 3 is rotatably mounted at one end of the telescopic member away from the base 1, a positioning member 4 is fixedly mounted at a distance from the surface of the rotating member 3 away from the base 1, the detection assembly 23 includes a detection mounting member 7, the detection mounting member 7 is slidably mounted on the rotating member 3 through the positioning member 4, a first connecting plate 9 is detachably mounted at an outer side surface of the detection mounting member 7, the first connecting plate 9 is provided with a plurality of groups and uniformly distributed around an outer side surface of the detection mounting member 7, one end of the first connecting plate 9 away from the detection mounting member 7 is rotatably mounted with a second connecting plate 15, the second connecting plate 15 is provided with a plurality of groups and rotatably connected between the second connecting plate 15, a third connecting plate 16 is rotatably mounted on the outermost second connecting plate 15, and the third connecting plate 16 is rotatably mounted on the second connecting plate 15, and the third connecting plate 16 is provided with a detecting plate 21 for forming a different type of data distribution frame structure around the first connecting plate 21.
The surface of the detection mounting piece 7, which is close to the base 1, is provided with a positioning groove 8 matched with the positioning piece 4.
The surface of the third connecting plate 16 far away from the base 1 is fixedly provided with damping installation pieces 17 which are distributed at intervals, the damping installation pieces 17 are fixedly provided with guide pieces 18 together, the guide pieces 18 are provided with sliding pieces 19, one side surfaces of the sliding pieces are in sliding connection with the third connecting plate 16, the two side surfaces of the sliding pieces 19 are fixedly provided with elastic pieces 20 which are distributed around the guide pieces 18, one end of each elastic piece 20 far away from the sliding piece 19 is fixedly connected with the damping installation piece 17, and the sliding pieces 19 are fixedly connected with the detection pieces 21.
The guide members 18 are distributed along the length direction in which the first, second and third connection plates 9, 15 and 16 are spread.
In practical application, the base 1 is fixedly arranged on the ground in observation, then the detection mounting piece 7 is arranged on the rotating piece 3 through the positioning piece 4, vibration in the vertical direction can occur when the carrying equipment moves and the detection mounting piece 7 is arranged, when the second connecting plate 15 and the third connecting plate 16 are in a rolling state, the guide piece 18 is in the vertical state, therefore, when the vibration in the vertical direction is received, the elastic pieces 20 on two sides can be respectively compressed and stretched through the sliding piece 19, and further the energy generated by vibration is absorbed through deformation of the elastic pieces 20, thereby avoiding the influence of vibration on the detection piece 21, reducing the probability of damage of the detection piece 21 when the device is arranged and moved, expanding the second connecting plate 15 and the third connecting plate 16 after the installation is completed, at this moment, the first connecting plate 9, the second connecting plate 15 and the third connecting plate 16 are simultaneously in a horizontal state and expose the detecting piece 21, then the observing points can be detected through different detecting pieces 21, the detecting installation piece 7 can be driven to conduct height adjustment through the telescopic piece 2 during detection, thereby multiple detection of different heights at the same position can be conducted, the detecting piece 21 can be driven to rotate through the rotating piece 3, multiple detection of different positions can be conducted, multiple detection modes can be conducted, detection points can be conducted, flexibility of detection is improved, accuracy of detection results is improved, after detection is completed, the second connecting plate 15 and the third connecting plate 16 are rolled up, at this moment, the second connecting plate 15 and the third connecting plate 16 can rotate around the connecting positions of the first connecting plate 9 and the second connecting plate 15, and further the first connecting plate 9 can be enabled to conduct multiple detection in different positions, the second connection plate 15 and the third connection plate 16 can form a frame structure surrounding the detection piece 21 inside, can protect the precise detection piece 21, realize rapid folding of the device, reduce the space occupied by the device, facilitate subsequent carrying of the device, separate the detection assembly 23 from the support assembly 22 when the carrying device moves, enable the space occupied by the device to be further reduced, facilitate carrying of detection personnel, increase portability, and facilitate use.
In an example of the present invention, the telescopic member 2 may be a telescopic rod, or may be another member capable of performing length conversion such as an electric telescopic rod, the rotating member 3 is a turntable, the positioning member 4 is a positioning rod, the turntable can be driven to move up and down by the telescopic rod 2, so as to realize a change in height, the detection mounting member 7 is a detection mounting plate, the first connecting plate 9, the second connecting plate 15 and the third connecting plate 16 are respectively a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate 9 may be slidably mounted on the detection mounting plate through a clamping groove formed on the detection mounting plate, the shock absorbing mounting member 17 is a shock absorbing mounting plate, the guiding member 18 is a guiding rod, the sliding member 19 is a sliding block, the elastic member 20 may be a spring, or may be another member having elasticity such as a spring ball, the energy generated by the shock may be absorbed by the spring deformation, and the detection member 21 may be another member capable of detecting different characteristics of the earth such as an absolute gravimeter, a magnetometer, and the magnetometer may be capable of detecting data such as gravity, magnetic field, etc. of the detection point.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a fixing mount 5 is fixedly mounted on the telescopic member 2, and a first fixing member 6 for fixing the rotary member 3 is connected to the fixing mount 5.
In practical application, the position of the detecting element 21 is adjusted by rotating the rotating element 3, and the rotating element 3 is fixed by the first fixing element 6 after the adjustment is finished, so that the stability of the detecting process is ensured.
In one example of the present invention, the fixing mount 5 is a fixing mount plate, and the first fixing member 6 is a first fixing screw, and the fixing of the turntable is achieved by the first fixing screw abutting against the turntable.
As shown in fig. 1,2 and 4, as a preferred embodiment of the present invention, the first connection plate 9 is fixedly provided with spaced apart guard members 11, the distance between the guard members 11 is the same as the width of the second connection plate 15 and the third connection plate 16, and the first connection plate 9 is provided with a second fixing member 10 for fixing the third connection plate 16.
The clamping groove 13 is formed in one end, far away from the detection mounting piece 7, of the first connecting plate piece 9, the supporting rod piece 14 is rotatably mounted in the clamping groove 13, and the supporting rod piece 14 is fixedly connected with the second connecting plate piece 15.
The clamping groove 13 is also formed in one end, far away from the detection mounting piece 7, of the second connecting plate 15, the supporting rod piece 14 is rotatably installed in the clamping groove 13, the second connecting plate 15 and the third connecting plate 16 are rotatably connected through the clamping groove 13 and the supporting rod piece 14, and one side surface of each of the second connecting plate 15 and the third connecting plate 16 is attached to the bottom surface of the clamping groove 13 when the second connecting plate 15 and the third connecting plate 16 are in a horizontal state.
The surfaces of the first and second connection plates 9 and 15 remote from the base 1 are fixedly mounted with stoppers 12 for restricting the second and third connection plates 15 and 16, respectively.
In practical application, when the second connecting plate 15 and the third connecting plate 16 are rolled, the third connecting plate 16 is pushed to rotate around the joint of the third connecting plate 16 and the second connecting plate 15, the maximum rotation angle of the third connecting plate 16 is 90 degrees through the limiting piece 12 on the second connecting plate 15, the second connecting plate 15 and the third connecting plate 16 can be limited when being in a horizontal state through the clamping groove 13, the second connecting plate 15 and the third connecting plate 16 are prevented from continuously rotating, only the second connecting plate 15 is pushed to rotate continuously, finally the first connecting plate 9, the second connecting plate 15 and the third connecting plate 16 form a frame structure with two open ends, two ends of the frame structure formed by the first connecting plate 9, the second connecting plate 15 and the third connecting plate 16 are sealed through the protecting piece 11, and the first connecting plate 9 and the second connecting plate 15 can be fixed through the second fixing piece 10, so that the first connecting plate 9 and the second connecting plate 15 can be fixed, and the second connecting plate 15 can be ensured to be stable in the moving process.
In one example of the present invention, the second fixing member 10 is a second fixing screw, the limiting member 12 is a limiting plate, when the second fixing screw collides with the third connecting plate, the limiting plate limits the rotation angle of the first connecting plate and the second connecting plate, so that the second connecting plate and the third connecting plate in the rolled state can be fixed by the fixing screw, the protecting member 11 is a protecting plate, and a sealing area is formed by the protecting plate and the first connecting plate, the second connecting plate and the third connecting plate, thereby protecting the detecting member, and the supporting rod 14 is a supporting rod.
Can drive through extensible member 2 and detect mounting 7 and carry out altitude mixture control to can carry out the not high multitime detection of same position, can drive detecting member 21 through rotating member 3 and rotate, thereby can carry out the different multitime detection of high invariable position, and then can realize multiple detection mode and detect the check point, the flexibility that has improved the detection, be favorable to improving the accuracy of testing result, can be with forming the confined area that distributes around detecting member through folding of first connecting plate 9, second connecting plate 15 and third connecting plate 16, the protection to accurate detecting member has been realized, and second connecting plate 15 and third connecting plate 16 fold fast, the space that the device occupy has been reduced, conveniently carry the device afterwards, carry through the separation of detecting member 23 and supporting component 22, make the space that the device occupies further reduce, the convenience detects personnel carry, portability has been increased, be favorable to using.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The portable geophysical field observation equipment comprises a base, wherein a supporting component used for supporting a detection component is arranged on the base, the supporting component is detachably connected with the detection component, the portable geophysical field observation equipment is characterized in that the supporting component comprises a telescopic component, the telescopic component is fixedly arranged on the base, one end of the telescopic component, which is far away from the base, is rotatably provided with a rotating component, the surface of the rotating component, which is far away from the base, is fixedly provided with positioning components which are distributed at intervals, the detection component comprises a detection mounting component, the detection mounting component is slidably arranged on the rotating component through the positioning components, the outer side surface of the detection mounting component is detachably provided with a first connecting plate, the first connecting plate is provided with a plurality of groups and uniformly distributed around the outer side surface of the detection mounting component, one end, which is far away from the detection mounting component, of the first connecting plate is rotatably provided with a second connecting plate, the second connecting plate is rotatably connected with the second connecting plate, the surface of the third connecting plate is provided with detection components used for detecting different types of data, and the first connecting plate, the second connecting plate and the third connecting plate can form a frame structure distributed around the detection component after being folded; the first connecting plate is fixedly provided with spaced-apart protection pieces, the distance between the protection pieces is identical to the width of the second connecting plate and the width of the third connecting plate, and the first connecting plate is provided with a second fixing piece for fixing the third connecting plate.
2. The portable geophysical field observation equipment of claim 1 wherein the telescoping member is fixedly mounted with a fixed mount to which is attached a first mount for securing the rotating member.
3. The portable geophysical field observation device of claim 1 wherein the surface of the detection mount adjacent the base is provided with a detent for use with a detent.
4. The portable geophysical field observation device according to claim 1, wherein the first connecting plate is provided with a clamping groove at one end far away from the detection mounting part, support rods are rotatably mounted in the clamping groove, and the support rods are fixedly connected with the second connecting plate.
5. The portable geophysical field observation device according to claim 4, wherein the second connecting plates are also provided with clamping grooves at one ends far away from the detection installation parts, support bars are rotatably installed in the clamping grooves, the second connecting plates and the third connecting plates are rotatably connected through the clamping grooves and the support bars, and one side surfaces of the second connecting plates and the third connecting plates are attached to the bottom surfaces of the clamping grooves when the second connecting plates and the third connecting plates are in a horizontal state.
6. The portable geophysical field observation device of claim 5 wherein the surfaces of the first and second connection plates remote from the base are fixedly provided with stoppers for restricting the second and third connection plates, respectively.
7. The portable geophysical field observation device according to claim 1, wherein the surface of the third connecting plate far away from the base is fixedly provided with damping installation pieces which are distributed at intervals, the damping installation pieces are fixedly provided with guide pieces together, the guide pieces are slidably provided with sliding pieces, one side surfaces of the sliding pieces are slidably connected with the third connecting plate, the surfaces of two sides of the sliding pieces are fixedly provided with elastic pieces distributed around the guide pieces, one end of each elastic piece far away from the sliding piece is fixedly connected with the damping installation pieces, and the sliding pieces are fixedly connected with the detection pieces.
8. The portable geophysical field observation device of claim 7 wherein the guides are distributed along the length of the deployment of the first, second and third connector plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419127.3A CN114184221B (en) | 2021-11-26 | 2021-11-26 | Portable geophysical field observation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419127.3A CN114184221B (en) | 2021-11-26 | 2021-11-26 | Portable geophysical field observation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114184221A CN114184221A (en) | 2022-03-15 |
| CN114184221B true CN114184221B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111419127.3A Active CN114184221B (en) | 2021-11-26 | 2021-11-26 | Portable geophysical field observation equipment |
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| Country | Link |
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| CN (1) | CN114184221B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210072108U (en) * | 2019-08-21 | 2020-02-14 | 辛洪德 | Meteorological observation instrument bracket |
| CN210666060U (en) * | 2019-08-28 | 2020-06-02 | 广东绘宇智能勘测科技有限公司 | Digital underground pipeline detecting instrument |
| CN113048858A (en) * | 2021-03-19 | 2021-06-29 | 重庆安全技术职业学院 | Convenient measuring device for architectural decoration design |
| WO2021190362A1 (en) * | 2020-03-23 | 2021-09-30 | 深圳市道通科技股份有限公司 | Calibration system and calibration support therefor |
| CN113652843A (en) * | 2021-07-14 | 2021-11-16 | 张建伟 | Daily life is with drying device that has extending structure |
-
2021
- 2021-11-26 CN CN202111419127.3A patent/CN114184221B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210072108U (en) * | 2019-08-21 | 2020-02-14 | 辛洪德 | Meteorological observation instrument bracket |
| CN210666060U (en) * | 2019-08-28 | 2020-06-02 | 广东绘宇智能勘测科技有限公司 | Digital underground pipeline detecting instrument |
| WO2021190362A1 (en) * | 2020-03-23 | 2021-09-30 | 深圳市道通科技股份有限公司 | Calibration system and calibration support therefor |
| CN113048858A (en) * | 2021-03-19 | 2021-06-29 | 重庆安全技术职业学院 | Convenient measuring device for architectural decoration design |
| CN113652843A (en) * | 2021-07-14 | 2021-11-16 | 张建伟 | Daily life is with drying device that has extending structure |
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| Publication number | Publication date |
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| CN114184221A (en) | 2022-03-15 |
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