CN114184221A - Portable geophysical field observation equipment - Google Patents
Portable geophysical field observation equipment Download PDFInfo
- Publication number
- CN114184221A CN114184221A CN202111419127.3A CN202111419127A CN114184221A CN 114184221 A CN114184221 A CN 114184221A CN 202111419127 A CN202111419127 A CN 202111419127A CN 114184221 A CN114184221 A CN 114184221A
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- field observation
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- 238000001514 detection method Methods 0.000 claims abstract description 86
- 230000035939 shock Effects 0.000 claims description 7
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 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
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Classifications
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- 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
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 assembly used for supporting a detection assembly is arranged on the base and detachably connected with the detection assembly, the supporting assembly comprises a telescopic piece, the telescopic piece is fixedly arranged on the base, a rotating piece is rotatably arranged at one end, away from the base, of the telescopic piece, positioning pieces are fixedly arranged on the surface, away from the base, of the rotating piece at intervals, the detection assembly comprises a detection mounting piece, and the detection mounting piece is slidably arranged on the rotating piece through the positioning pieces. Compared with the prior art, the invention has the beneficial effects that: can realize that multiple testing methods detects the check point, improve the flexibility that detects, be favorable to improving the exactness of testing result, realize the protection to accurate detection piece, avoid removing in-process external environment and cause the damage to the detection piece, reduce the space that the device occupied, make things convenient for the measurement personnel to carry, increase the portability, be favorable to the use.
Description
Technical Field
The invention belongs to the technical field of geological instruments, and particularly relates to portable geophysical field observation equipment.
Background
Geophysical exploration, abbreviated as geophysical exploration, refers to the detection of geological conditions such as formation lithology, geological structure and the like by researching and observing the changes of various geophysical fields. Since the different formation media that make up the earth's crust often differ in density, elasticity, electrical conductivity, magnetism, radioactivity, and thermal conductivity, these properties need to be measured by geophysical field observation equipment.
The existing geophysical field observation equipment is mostly of an integral structure, and when the equipment is used in the field, due to the fact that the environment is severe, detection personnel are inconvenient to carry and protect the equipment, portability is reduced, the equipment is fixed and can only be detected in one position mostly when the equipment is detected, detection flexibility is reduced, and the equipment is not beneficial to use.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a portable geophysical field observation device, which aims to solve the problems set forth in the background above.
The present invention is achieved in such a way that,
a portable geophysical field observation device 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 an extensible part, the extensible part is fixedly arranged on the base, one end, far away from the base, of the extensible part is rotatably provided with a rotating part, the surface, far away from the base, of the rotating part is fixedly provided with positioning parts which are distributed at intervals, the detection component comprises a detection mounting part, the detection mounting part is slidably arranged on the rotating part through the positioning parts, the outer side surface of the detection mounting part is detachably provided with a first connecting plate part, the first connecting plate part is provided with a plurality of groups and is uniformly distributed around the outer side surface of the detection mounting part, one end, far away from the detection mounting part, of the first connecting plate part is rotatably provided with a second connecting plate part, the second connecting plate parts are rotatably connected with the plurality of groups, a third connecting plate part is rotatably arranged on the second connecting plate part on the outermost side, the surface of the third connecting plate is provided with a detecting piece for detecting different types of data, and the first connecting plate, the second connecting plate and the third connecting plate can form a frame-shaped structure distributed around the detecting piece after being folded.
As a further scheme of the invention: the telescopic piece is fixedly provided with a fixed mounting piece, and the fixed mounting piece is connected with a first fixing piece for fixing the rotating piece.
As a further scheme of the invention: and the surface of the detection mounting part close to the base is provided with a positioning groove matched with the positioning part for use.
As a further scheme of the invention: the first connecting plate is fixedly provided with protection pieces distributed at intervals, the distance between the protection pieces is the same as the width of the second connecting plate and 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 one end that detection installed part was kept away from to first connecting plate has seted up the draw-in groove, all rotates in the draw-in groove and installs the support member, and support member and second are connected plate fixed connection.
As a further scheme of the invention: the one end that detection installed part was kept away from to the second connection plate has also seted up the draw-in groove, all rotates in the draw-in groove and installs the support member, and between the second connection plate, the second is connected the plate and is connected all through draw-in groove, support member rotation connection between the plate with the third, and one of them side surface and the laminating of draw-in groove bottom surface when plate and third connection plate are in the horizontality are connected to the second.
As a further scheme of the invention: the surface of the first connecting plate and the surface of the second connecting plate far away from the base are fixedly provided with limiting parts respectively used for limiting the second connecting plate and the third connecting plate.
As a further scheme of the invention: the surface fixed mounting that the base was kept away from to the third connection plate has interval distribution's shock attenuation installed part, the common fixed mounting of shock attenuation installed part has the guide, slidable mounting has a side surface and the third connection plate sliding connection's slider on the guide, the equal fixed mounting in slider both sides surface has the elastic component around the guide distributes, the elastic component is kept away from the one end and the shock attenuation installed part fixed connection of slider, 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 connecting plates are unfolded.
Compared with the prior art, the invention has the beneficial effects that: can realize that multiple testing methods detects the check point, improve the flexibility that detects, be favorable to improving the exactness of testing result, realize the protection to accurate detection piece, avoid removing in-process external environment and cause the damage to the detection piece, reduce the space that the device occupied, make things convenient for the measurement personnel to carry, increase the portability, be favorable to the use.
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 the unfolded state of the first connecting plate, the second connecting plate and the third connecting plate in the portable geophysical field observation equipment provided by the embodiment of the invention.
Fig. 5 is a front view of a folded state of a first connecting plate, a second connecting plate and a third connecting plate in the portable geophysical field observation equipment provided by the embodiment of the invention.
In the drawings: 1. a base; 2. a telescoping member; 3. a rotating member; 4. a positioning member; 5. a fixed mounting; 6. a first fixing member; 7. detecting the mounting part; 8. positioning a groove; 9. a first connecting plate; 10. a second fixing member; 11. a guard; 12. a limiting member; 13. a card slot; 14. supporting the rod member; 15. a second connecting plate; 16. a third connecting plate; 17. a shock absorbing mount; 18. a guide member; 19. a slider; 20. an elastic member; 21. a detection member; 22. a support assembly; 23. and a detection component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-5, as a preferred embodiment of the present invention, a portable geophysical field observation device comprises a base 1, a support assembly 22 for supporting a detection assembly 23 is disposed on the base 1, the support assembly 22 is detachably connected with the detection assembly 23, the support assembly 22 comprises a telescopic member 2, the telescopic member 2 is fixedly mounted on the base 1, a rotating member 3 is rotatably mounted at one end of the telescopic member far from the base 1, positioning members 4 are fixedly mounted on the surface of the rotating member 3 far from the base 1 and are distributed at intervals, the detection assembly 23 comprises a detection mounting member 7, the detection mounting member 7 is slidably mounted on the rotating member 3 through the positioning members 4, a first connecting plate member 9 is detachably mounted on the outer side surface of the detection mounting member 7, the first connecting plate member 9 is provided with a plurality of groups and is uniformly distributed around the outer side surface of the detection mounting member 7, a second connecting plate member 15 is rotatably mounted at one end of the first connecting plate 9 far from the detection mounting member 7, the second connection plate 15 is provided with the multiunit and the second is connected and is rotated between the plate 15 and connect, rotates on the second connection plate 15 in the outermost side and installs third connection plate 16, and third connection plate 16 surface is provided with the detection piece 21 that is used for detecting different grade type data, and first connection plate 9, second connection plate 15 and third connection plate 16 can form the frame type structure around detecting a 21 distribution after folding.
The surface of the detection installation part 7 close to the base 1 is provided with a positioning groove 8 matched with the positioning part 4 for use.
The surface of the third connecting plate 16 far away from the base 1 is fixedly provided with shock-absorbing mounting parts 17 which are distributed at intervals, the shock-absorbing mounting parts 17 are fixedly provided with a guide part 18 together, the guide part 18 is provided with a sliding part 19 with one side surface connected with the third connecting plate 16 in a sliding manner, the two side surfaces of the sliding part 19 are fixedly provided with elastic parts 20 distributed around the guide part 18, one end of the elastic part 20 far away from the sliding part 19 is fixedly connected with the shock-absorbing mounting parts 17, and the sliding part 19 is fixedly connected with a detection part 21.
The guides 18 are distributed along the length of the development of the first 9, second 15 and third 16 connecting plates.
In practical application of the embodiment of the invention, the base 1 is fixedly installed on the ground in observation, the detection installation part 7 is installed on the rotating part 3 through the positioning part 4, vibration in the vertical direction can occur during the movement of the carrying equipment and the installation of the detection installation part 7, when the second connecting plate part 15 and the third connecting plate part 16 are in the rolling state, the guide part 18 is in the vertical state, so that the elastic parts 20 at two sides can be respectively compressed and stretched through the sliding part 19 when the vibration in the vertical direction is received, further, energy generated by the vibration is absorbed through the deformation of the elastic parts 20, further, the vibration is prevented from influencing the detection part 21, the probability that the detection part 21 is damaged during the installation and movement of the device is reduced, after the installation is finished, the second connecting plate part 15 and the third connecting plate part 16 are unfolded, and at the moment, the first connecting plate part 9, the second connecting plate part 15 and the third connecting plate part 16 are simultaneously in the horizontal state and the detection part 21 is exposed, then, the observation point can be detected through different detection pieces 21, the detection mounting piece 7 can be driven to carry out height adjustment through the telescopic piece 2 during detection, so that multiple detections with the same position and different heights can be carried out, the detection piece 21 can be driven to rotate through rotating the rotating piece 3, so that multiple detections with the same height and different positions can be carried out, further, the detection points can be detected in multiple detection modes, the flexibility of detection is improved, and the correctness of a detection result is favorably improved, after the detection is finished, the second connecting plate 15 and the third connecting plate 16 are wound, at the moment, the second connecting plate 15 and the third connecting plate 16 can rotate around the joint of the first connecting plate 9 and the second connecting plate 15, and further, the first connecting plate 9, the second connecting plate 15 and the third connecting plate 16 can form a frame-shaped structure which surrounds the detection piece 21 inside, can protect accurate measuring piece 21, realize the quick folding of device, reduce the space that the device occupied, convenient follow-up carries the device, separates detecting component 23 and supporting component 22 when carrying device removes for the space that the device occupied further reduces, makes things convenient for the measurement personnel to carry, has increased the portability, is favorable to the use.
In an example of the present invention, the telescopic member 2 is a telescopic rod, and may be an electric telescopic rod or other components capable of length conversion, the rotating member 3 is a rotary table, the positioning member 4 is a positioning rod, the rotary table can be driven to move up and down by the telescopic rod 2, so as to realize the change of the detection height, the detection mounting member 7 is a detection mounting plate, the first connecting plate member 9, the second connecting plate member 15 and the third connecting plate member 16 are respectively a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate member 9 can be slidably mounted on the detection mounting plate through a slot formed on the detection mounting plate, the damping mounting member 17 is a damping mounting plate, the guide member 18 is a guide rod, the sliding member 19 is a sliding block, the elastic member 20 is a spring, and may be other components having elasticity, such as an elastic ball, and can absorb the energy generated by the deformation of the spring, the detector 21 is a member capable of detecting different characteristics of the earth such as an absolute gravimeter and a magnetometer, and is capable of detecting data such as gravity and a magnetic field at a detection point by the gravimeter and the magnetometer.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a fixed mounting member 5 is fixedly mounted on the telescopic member 2, and a first fixing member 6 for fixing the rotating member 3 is connected to the fixed mounting member 5.
In practical application of the embodiment of the invention, the rotating part 3 rotates to adjust the position of the detecting part 21, and the rotating part 3 is fixed through the first fixing part 6 after adjustment is completed, so that the stability of the detecting process is ensured.
In one example of the present invention, the fixing member 5 is a fixing mounting 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 connecting plate 9 is fixedly installed with the shielding members 11 spaced apart from each other, the distance between the shielding members 11 is the same as the width of the second connecting plate 15 and the third connecting plate 16, and the first connecting plate 9 is provided with the second fixing member 10 for fixing the third connecting plate 16.
The clamping groove 13 is formed in one end, far away from the detection mounting part 7, of the first connecting plate part 9, the supporting rod part 14 is rotatably mounted in the clamping groove 13, and the supporting rod part 14 is fixedly connected with the second connecting plate part 15.
One end, far away from the detection mounting part 7, of the second connecting plate 15 is also provided with a clamping groove 13, a supporting rod piece 14 is installed in the clamping groove 13 in a rotating mode, the second connecting plate 15 and the second connecting plate 15 are connected with the third connecting plate 16 in a rotating mode through the clamping groove 13 and the supporting rod piece 14, and one side surface of the second connecting plate 15 and one side surface of the third connecting plate 16 are 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 connecting plate member 9 and the second connecting plate member 15 away from the base 1 are fixedly mounted with limiting members 12 for limiting the second connecting plate member 15 and the third connecting plate member 16, respectively.
In practical application, when the second connecting plate 15 and the third connecting plate 16 are wound, the third connecting plate 16 is firstly pushed to rotate around the joint of the third connecting plate 15 and the third connecting plate 16, the maximum rotation angle of the third connecting plate 16 is 90 degrees through the limiting part 12 on the second connecting plate 15, the second connecting plate 15 and the third connecting plate 16 can be limited when the second connecting plate 15 and the third connecting plate 16 are in a horizontal state through the clamping groove 13, the second connecting plate 15 and the third connecting plate 16 are prevented from rotating continuously, 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-shaped structure with openings at two ends, and the two ends of the frame-shaped structure formed by the first connecting plate 9, the second connecting plate 15 and the third connecting plate 16 are closed through the protecting parts 11, the third connecting plate 16 is fixed through the second fixing member 10, so that the first connecting plate 9 and the second connecting plate 15 can be fixed, and the stability of the first connecting plate 9 and the second connecting plate 15 in the moving process is guaranteed.
In an 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 abuts against 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 can be fixed by the fixing screw in a rolled state, the protection member 11 is a protection plate, and an enclosed area is formed by the protection plate and the first connecting plate, the second connecting plate and the third connecting plate, so as to protect the detection member, and the support rod member 14 is a support rod.
The detection mounting part 7 can be driven to carry out height adjustment through the telescopic part 2, so that multiple detections at the same position and different heights can be carried out, the detection part 21 can be driven to rotate through rotating the rotating part 3, so that multiple detections at different positions with unchanged heights can be carried out, further, multiple detection modes can be realized to detect detection points, the detection flexibility is improved, the correctness of a detection result is favorably improved, a closed area distributed around the detection part can be formed through folding the first connecting plate part 9, the second connecting plate part 15 and the third connecting plate part 16, the protection of a precise detection part is realized, the second connecting plate part 15 and the third connecting plate part 16 are quickly folded, the space occupied by the device is reduced, the subsequent carrying of the device is convenient, the detection component 23 and the supporting component 22 are separately carried, so that the space occupied by the device is further reduced, the portable detector is convenient to carry, has increased portability, and is beneficial to use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A portable geophysical field observation device comprises a base, wherein a supporting component for supporting a detection component is arranged on the base, and the supporting component is detachably connected with the detection component, and is characterized in that the supporting component comprises an extensible part which is fixedly arranged on the base, a rotating part is rotatably arranged at one end of the extensible part far away from the base, positioning parts which are distributed at intervals are fixedly arranged on the surface of the rotating part far away from the base, the detection component comprises a detection mounting part which is slidably arranged on the rotating part through the positioning parts, a first connecting plate part is detachably arranged on the outer side surface of the detection mounting part, a plurality of groups of first connecting plate parts are arranged and uniformly distributed around the outer side surface of the detection mounting part, a second connecting plate part is rotatably arranged at one end of the first connecting plate part far away from the detection mounting part, a plurality of groups of second connecting plate parts are arranged and rotatably connected with each other, the third connecting plate is rotatably installed on the second connecting plate at the outermost side, the surface of the third connecting plate is provided with a detection piece for detecting different types of data, and the first connecting plate, the second connecting plate and the third connecting plate can form a frame-shaped structure distributed around the detection piece after being folded.
2. A portable geophysical field observation apparatus according to claim 1, wherein a fixed mounting member is fixedly mounted on the telescopic member, and a first fixing member for fixing the rotating member is connected to the fixed mounting member.
3. The portable geophysical field observation apparatus of claim 1, wherein the surface of the detection mounting member near the base is provided with positioning grooves for cooperating with positioning members.
4. The portable geophysical field observation apparatus of claim 1, wherein the first connecting plate is fixedly provided with guard members spaced apart from each other, the distance between the guard members is the same as the width of the second connecting plate and the third connecting plate, and the first connecting plate is provided with a second fixing member for fixing the third connecting plate.
5. The portable geophysical field observation apparatus of claim 4, wherein the first connecting plate is provided with a slot at an end thereof remote from the detection mounting member, and the slots are rotatably provided with a support rod, and the support rod is fixedly connected with the second connecting plate.
6. The portable geophysical field observation equipment of claim 5, wherein the end of the second connecting plate, which is far away from the detection mounting member, is also provided with a clamping groove, the clamping grooves are rotatably provided with support rods, the second connecting plate and the third connecting plate are rotatably connected through the clamping grooves and the support rods, 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.
7. The portable geophysical field observation apparatus of claim 6, wherein the surfaces of the first connecting plate and the second connecting plate away from the base are fixedly mounted with limiting members for limiting the second connecting plate and the third connecting plate, respectively.
8. A portable geophysical field observation apparatus according to claim 1, wherein the surfaces of the third connecting plate remote from the base are fixedly provided with shock absorbing mounting members spaced apart from each other, the shock absorbing mounting members are fixedly provided with a guide member together, the guide member is slidably provided with a sliding member having one side surface slidably connected with the third connecting plate, the two side surfaces of the sliding member are fixedly provided with elastic members extending around the guide member, one end of the elastic member remote from the sliding member is fixedly connected with the shock absorbing mounting members, and the sliding member is fixedly connected with the detecting member.
9. A portable geophysical field observation apparatus according to claim 8, wherein the guides are distributed along the length of the expanse of the first connecting plate, the second connecting plate and the third connecting plate.
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 |
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| CN114184221A true CN114184221A (en) | 2022-03-15 |
| CN114184221B CN114184221B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111419127.3A Active CN114184221B (en) | 2021-11-26 | 2021-11-26 | Portable geophysical field observation equipment |
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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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| CN114184221B (en) | 2024-04-19 |
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