CN114111509B - Land measuring tool for natural resource space planning management - Google Patents
Land measuring tool for natural resource space planning management Download PDFInfo
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- CN114111509B CN114111509B CN202111532317.6A CN202111532317A CN114111509B CN 114111509 B CN114111509 B CN 114111509B CN 202111532317 A CN202111532317 A CN 202111532317A CN 114111509 B CN114111509 B CN 114111509B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- General Physics & Mathematics (AREA)
- Tape Measures (AREA)
Abstract
The invention provides a land measuring tool for planning and managing natural resource space, which relates to the technical field of land measuring tools and comprises the following components: the speed regulating assembly consists of two groups of gear ratio mechanisms, the device is provided with two sets of rolling modes, the gear ratio mechanism at the top of the installation shell is high in transmission ratio, thereby realizing quick rolling and resetting of the measuring tape, the gear ratio mechanism at the bottom of the installation shell is high in torque, the measuring tape can be easily separated from normal rolling when the rolling encounters an obstacle, the two rolling modes can be freely selected for use according to the use environment and conditions, the rolling is quick and stable, the switching is quick, the problem that the rolling speed of the existing long-distance measuring tape is slow is solved, the rolling handle and the rolling column are coaxial, each time the rolling column rotates can only rotate, and the speed is extremely slow when the measuring tape is measured each time due to longer extending amount of the measuring tape when the measuring tape is measured on the land.
Description
Technical Field
The invention relates to the technical field of land measurement tools, in particular to a land measurement tool for natural resource space planning management.
Background
At present, when the space planning management of natural resources is carried out, the land is required to be measured, the land is a natural complex of various natural elements including geology, landform, climate, hydrology, soil, vegetation and the like in a certain area of the earth surface, and when the land is measured, the most commonly used measuring tool is a long-distance tape measure.
However, for the current long-distance measuring tape, the speed is slower when the winding is performed, the winding handle and the winding column are coaxial, so that the winding column can only rotate once when the winding handle rotates once, and the speed is very slow when the winding is performed every time due to the fact that the extending amount of the measuring tape is longer when the land is measured, the winding is laborious, and the practicability is not high.
Disclosure of Invention
In view of the above, the invention provides a land measuring tool for planning and managing natural resource space, which is provided with a switching component, the switching component can realize the winding operation of a measuring tape by switching different gear ratio mechanisms, wherein the gear ratio mechanism with large gear ratio can rapidly wind and reset the measuring tape, the gear ratio mechanism with small gear ratio can improve the winding force of the measuring tape, the barrier in the land is prevented from obstructing the recovery and reset of the measuring tape, the different gear ratio mechanisms can be selected and used according to the actual use condition, the adaptability is extremely strong, and the flexibility and the practicability of the device are improved.
The invention provides a land measuring tool for natural resource space planning management, which comprises the following steps: the shell assembly comprises a mounting shell and a winding disc, and the winding disc is rotationally connected to the inside of the mounting shell; the switching assembly comprises a switching column and a tape mounting cylinder, the switching column is rotationally connected inside the mounting shell, the tape mounting cylinder is spliced outside the switching column, and a measuring tape is fixedly arranged outside the tape mounting cylinder; the speed regulating assembly consists of two groups of gear ratio mechanisms, each group of gear ratio mechanism consists of a control gear a and a control gear b, gear teeth of the control gear a and the control gear b of each group of gear ratio mechanism are meshed for transmission, and the control gear a and the control gear b are both rotationally connected in the installation shell.
Optionally, the gear outer diameter of the control gear b of the top gear ratio mechanism of the mounting shell is larger than the gear outer diameter of the control gear a, and the gear outer diameter of the control gear b of the bottom gear ratio mechanism of the mounting shell is smaller than the gear outer diameter of the control gear a.
Optionally, the rolling dish is equipped with two, and two rolling dishes and two sets of tooth ratio mechanism all symmetry set up in the top and the bottom of installation shell.
Optionally, the outside of rolling dish is equipped with the rack and goes into gear, and the inside of installation shell is equipped with synchronous rotating column, and synchronous rotating column's top and bottom all are equipped with synchronous gear, and rack and synchronous gear teeth interlock transmission.
Optionally, a rolling rack is arranged at the inner side of the reel body of the rolling reel, and gear teeth of the rolling rack are meshed with gear teeth of the control gear b for transmission.
Optionally, the cylinder outside of switch post is equipped with the transmission ring gear, and control gear a's inside is equipped with the control groove, and the transmission ring gear peg graft in the inside of control groove, and the control groove comprises idle running groove and transmission tooth's socket, and the idle running groove that is located installation shell top control gear a inside is located the bottom of transmission tooth's socket, and the idle running groove that is located installation shell bottom control gear a inside is located the top of transmission tooth's socket.
Optionally, a rolling block is arranged in the middle of the column body of the switching column, the block shape of the rolling block is of a regular polygon design, a rolling long groove is formed in the tape measure mounting cylinder, and the rolling block is inserted into the rolling long groove.
Optionally, two groups of positioning convex columns are arranged in the tape measure mounting cylinder, positioning grooves are formed in the side faces of the blocks of the winding block, and the positioning convex columns are spliced in the positioning grooves.
Optionally, the inside of location projection is equipped with the top spring that resets, and the both ends of top spring that resets are fixed connection respectively in the inside of location projection and the inside of tape measure installation section of thick bamboo.
Advantageous effects
The device is when using, possess two sets of rolling modes, wherein can realize the switching use of two sets of tooth ratio mechanisms through switching assembly, be located the gear ratio of the tooth ratio mechanism at installation shell top, thereby can realize the quick rolling reset to measuring the tape, the moment of torsion that is located the tooth ratio mechanism rolling in installation shell bottom is high, thereby measuring the tape also can easily break away from normal rolling when the rolling meets the barrier, can freely select two kinds of rolling modes according to service environment and condition to use, the rolling is quick stable, the switching is quick, convenient to use has improved the flexibility and the adaptability of the device.
In addition, the rolling disc is provided with two, and when any rolling disc rotates, the other rolling disc can synchronously rotate, and when one rolling disc rotates, the synchronous rack of the rolling disc can drive the synchronous rotary column to rotate through the synchronous gear, so that the synchronous gear at the bottom of the synchronous rotary column can drive the rolling disc to synchronously rotate through the synchronous rack of the other rolling disc when the synchronous rotary column rotates, and the synchronous rotary mechanism of the rolling disc is convenient to use.
In addition, different gear ratio mechanisms of the switching column can be controlled to work in different use positions, when the switching column is positioned at the top of the installation shell, the transmission toothed ring at the top of the switching column is positioned inside the transmission toothed groove of the top control gear a, and the transmission toothed ring at the bottom of the switching column is positioned inside the idle groove of the bottom control gear a, so that the gear ratio mechanism at the top works normally at the moment, the gear ratio mechanism at the bottom idles without driving the switching column, when the switching column is pressed down, the switching column moves downwards, so that the transmission toothed ring at the top of the switching column is positioned inside the idle groove of the top control gear a at the moment, and the transmission toothed ring at the bottom of the switching column is positioned inside the transmission toothed groove of the bottom control gear a, so that the gear ratio mechanism at the bottom works normally at the moment, and the gear ratio mechanism at the top idles without driving the switching column at the moment, thereby realizing the requirements of switching assembly for switching control of different gear ratio mechanism use, the operation is convenient, and the adaptability is extremely strong.
In addition, can realize using the rolling reset of different gear ratio mechanisms to measuring tape through rotating the rolling dish, when the rolling dish rotates, the inboard rolling rack of rolling dish can drive control gear b and rotate, control gear b can drive control gear a and rotate again when rotating to control gear a can drive the switching post through the transmission ring gear and rotate when rotating, the rolling piece when switching the post and can drive the synchronous rotation of tape mounting cylinder through the rolling elongated slot and realize the rolling to measuring tape, thereby realized using different gear ratio mechanisms to the operation of measuring tape rolling, the rolling is quick, convenient to use.
In addition, the positioning convex column can be clamped in the positioning groove to limit the use state and the position of the switching column under the action of the reset top spring, so that the phenomenon that the switching column is used by an accidental switching gear ratio mechanism during normal rolling use can not occur, and the use is stable.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic diagram of the structure of the present invention;
FIG. 2 shows a schematic structural view of the housing assembly of the present invention after disassembly;
FIG. 3 is a schematic diagram of the switch assembly and governor assembly of the present invention shown disassembled;
FIG. 4 shows a schematic view of the structure of the bottom of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view showing the construction of the inside of the invention when the measuring tape is wound up using the top gear ratio mechanism of the mounting housing;
FIG. 6 is a schematic view showing the construction of the inside of the invention when the measuring tape is wound up using the bottom gear ratio mechanism of the mounting housing;
FIG. 7 is an enlarged schematic view of the portion A of FIG. 5 according to the present invention;
fig. 8 shows an enlarged schematic view of the structure of the B part of fig. 6 according to the present invention.
List of reference numerals
1. A housing assembly; 101. mounting a shell; 1011. a synchronizing gear; 102. a reel; 1021. a synchronous rack; 1022. rolling the rack; 2. a switching assembly; 201. a switching column; 2011. a drive ring gear; 2012. a winding block; 20121. a positioning groove; 202. a tape measure mounting cylinder; 2021. measuring tape; 2022. winding a long groove; 2023. positioning the convex column; 20231. resetting the top spring; 3. a speed regulating assembly; 31. a gear ratio mechanism; 301. a control gear a; 311. a control groove; 3111. an idle groove; 3112. a transmission tooth slot; 302. and controlling the gear b.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Examples: please refer to fig. 1 to 8:
the invention provides a land measuring tool for natural resource space planning management, which comprises: the shell assembly 1, the shell assembly 1 comprises a mounting shell 101 and a winding disc 102, and the winding disc 102 is rotatably connected inside the mounting shell 101; the switching assembly 2 comprises a switching column 201 and a tape mounting cylinder 202, wherein the switching column 201 is rotatably connected inside the mounting shell 101, the tape mounting cylinder 202 is spliced outside the switching column 201, and a measuring tape 2021 is fixedly arranged outside the tape mounting cylinder 202; the speed regulating assembly 3 is composed of two groups of gear ratio mechanisms 31, each group of gear ratio mechanism 31 is composed of a control gear a301 and a control gear b302, the gear teeth of the control gear a301 and the control gear b302 of each group of gear ratio mechanism 31 are in meshed transmission, and the control gear a301 and the control gear b302 are both rotatably connected in the installation shell 101; the gear outer diameter of the control gear b302 of the gear ratio mechanism 31 at the top of the installation shell 101 is larger than the gear outer diameter of the control gear a301, and the gear outer diameter of the control gear b302 of the gear ratio mechanism 31 at the bottom of the installation shell 101 is smaller than the gear outer diameter of the control gear a301, in use, the gear ratio of the gear ratio mechanism 31 at the top of the installation shell 101 is high, so that rapid winding and resetting of the measuring tape 2021 can be realized, the torque of the gear ratio mechanism 31 at the bottom of the installation shell 101 is high when the winding encounters an obstacle, and the measuring tape 2021 can be easily separated from normal winding when the winding encounters an obstacle.
In addition, according to the embodiment of the present invention, as shown in fig. 2 and 3, two winding discs 102 are provided, and two winding discs 102 and two sets of gear ratio mechanisms 31 are symmetrically disposed at the top and bottom of the installation housing 101, in use, when any one winding disc 102 is rotated, the other winding disc 102 can also rotate synchronously, when one winding disc 102 is rotated, a synchronous rack 1021 is disposed at the outer side of the winding disc 102, a synchronous rotating column is disposed in the installation housing 101, synchronous gears 1011 are disposed at the top and bottom of the synchronous rotating column, and the synchronous rack 1021 and the synchronous gears 1011 are in gear engagement transmission, the synchronous rack 1021 of the winding disc 102 can drive the synchronous rotating column to rotate through the synchronous gear 1011, so that the synchronous gear 1011 at the bottom of the synchronous rotating column can drive the winding disc 102 to rotate synchronously through the synchronous rack 1021 of the other winding disc 102, thereby realizing the synchronous rotation function of the two winding discs 102, and being convenient to use.
In addition, according to the embodiment of the invention, as shown in fig. 2, a winding rack 1022 is arranged at the inner side of the disc body of the winding disc 102, the teeth of the winding rack 1022 are engaged with the teeth of the control gear b302 for transmission, when in use, the winding rack 1022 at the inner side of the winding disc 102 can drive the control gear b302 to rotate, and when the control gear b302 rotates, the control gear a301 can drive the switching column 201 to rotate through the transmission toothed ring 2011, a winding block 2012 is arranged at the middle part of the column body of the switching column 201, the block shape of the winding block 2012 is of a regular polygon design, a winding long groove 2022 is arranged in the tape mounting cylinder 202, the winding block 2012 is inserted in the winding long groove 2022, and when the switching column 201 rotates, the winding block 2012 can drive the mounting cylinder 202 to synchronously rotate through the winding long groove 2022, so that the winding of the measuring tape 2021 is realized, and the operation of winding the measuring tape 2021 by using different gear ratios 31 is realized.
In addition, according to the embodiment of the present invention, as shown in fig. 3 and 4, the outside of the column body of the switching column 201 is provided with the transmission toothed ring 2011, and the inside of the control gear a301 is provided with the control groove 311, and the transmission toothed ring 2011 is inserted in the inside of the control groove 311, the control groove 311 is composed of the idle groove 3111 and the transmission toothed groove 3112, the idle groove 3111 located in the inside of the control gear a301 at the top of the mounting housing 101 is located at the bottom of the transmission toothed groove 3112, in use, when the switching column 201 is located at the top of the mounting housing 101, the transmission toothed ring 2011 at the top of the switching column 201 is located in the inside of the transmission toothed groove 3112 of the top control gear a301, and the transmission toothed ring 2011 at the bottom of the switching column 201 is located in the inside of the idle groove 3111 at the bottom control gear a301, so that the gear ratio mechanism 31 at the top is working normally at this moment, and the gear ratio mechanism 31 at the bottom is not driving the switching column 201 is not driven, when the switching column 201 is pressed down, so that the toothed ring 2011 at the top of the switching column 201 is located at the bottom of the control gear a301 is located at the bottom of the idle groove 3112, and the idle gear is not driven at the bottom of the control gear a301, so that the transmission mechanism is not working normally, the gear 1 is better than the gear is required, and the gear 201 is not at the bottom of the idle gear a speed, and the gear is in the bottom of the idle gear is in the bottom of the control gear a301, and the gear a is in the bottom of the control gear a.
In addition, according to the embodiment of the invention, as shown in fig. 3, two sets of positioning posts 2023 are arranged in the tape measure mounting cylinder 202, positioning grooves 20121 are arranged on the block side surfaces of the winding blocks 2012, the positioning posts 2023 are inserted into the positioning grooves 20121, a reset top spring 20231 is arranged in the positioning posts 2023, two ends of the reset top spring 20231 are fixedly connected in the positioning posts 2023 and the tape measure mounting cylinder 202 respectively, in use, the positioning posts 2023 can be clamped in the positioning grooves 20121 under the action of the reset top spring 20231 to limit the use state and the position of the switching posts 201, so that the phenomenon that the switching posts 201 are used by the accidental switching gear ratio mechanism 31 can not occur in normal winding use, and the use is stable.
Specific use and action of the embodiment: in the invention, no matter which group of gear ratio mechanism 31 is in a use state, the measuring tape 2021 can be freely pulled out of the measuring land for use, when the measuring tape 2021 needs to be wound and reset, two winding modes can be freely selected for use through the switching component 2 according to the use environment and conditions, the gear ratio of the gear ratio mechanism 31 positioned at the top of the mounting shell 101 is high, so that the rapid winding and resetting of the measuring tape 2021 can be realized, the gear ratio of the gear ratio mechanism 31 positioned at the bottom of the mounting shell 101 is high, the torque of the measuring tape 2021 can be easily separated from normal winding when the winding meets an obstacle, the winding disk 102 can be rotated to wind the measuring tape 2021 after the switching is finished, the other winding disk 102 can be synchronously rotated when one winding disk 102 is rotated, the synchronous rack 1021 of the winding disc 102 can drive the synchronous rotating column to rotate through the synchronous gear 1011, so that the synchronous gear 1011 at the bottom of the synchronous rotating column can drive the winding disc 102 to synchronously rotate through the synchronous rack 1021 of the other winding disc 102, when the winding disc 102 rotates, the winding rack 1022 at the inner side of the winding disc 102 can drive the control gear b302 to rotate, the control gear b302 can drive the control gear a301 to rotate again when rotating, the control gear a301 can drive the switching column 201 to rotate through the transmission toothed ring 2011, the winding block 2012 of the switching column 201 when rotating can drive the tape mounting cylinder 202 to synchronously rotate through the winding long groove 2022 to realize winding of the measuring tape 2021, when the switching column 201 is positioned at the top of the mounting shell 101, the transmission toothed ring 2011 at the top of the switching column 201 is positioned inside the transmission toothed groove 3112 of the top control gear a301, and the transmission toothed ring 2011 at the bottom of the switching column 201 is located inside the idle groove 3111 of the bottom control gear a301, so that the gear ratio mechanism 31 at the top works normally at this time and the gear ratio mechanism 31 at the bottom idles without driving the switching column 201, when the switching column 201 is pressed down, the switching column 201 moves down, so that the transmission toothed ring 2011 at the top of the switching column 201 is located inside the idle groove 3111 of the top control gear a301 at this time, and the transmission toothed ring 2011 at the bottom of the switching column 201 is located inside the transmission toothed groove 3112 of the bottom control gear a301, so that the gear ratio mechanism 31 at the bottom works normally at this time and the gear ratio mechanism 31 at the top idles without driving the switching column 201, thereby realizing the need of switching the switching assembly 2 to control the use of different gear ratio mechanisms 31, and after the winding of the measuring tape 2021 is completed, the measuring tape can be carried to the place to be measured next.
Finally, it should be noted that the present invention is generally described in terms of a/a pair of components, such as the location of each component and the mating relationship therebetween, however, those skilled in the art will appreciate that such location, mating relationship, etc. are equally applicable to other components/other pairs of components.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (3)
1. A land measurement tool for natural resource space planning management, comprising: the shell assembly (1), the shell assembly (1) comprises a mounting shell (101) and a winding disc (102), and the winding disc (102) is rotationally connected inside the mounting shell (101); the switching assembly (2) comprises a switching column (201) and a tape mounting cylinder (202), wherein the switching column (201) is rotationally connected inside the mounting shell (101), the tape mounting cylinder (202) is spliced outside the switching column (201), and a measuring tape (2021) is fixedly mounted outside the tape mounting cylinder (202); the speed regulating assembly (3) consists of two groups of gear ratio mechanisms (31), each group of gear ratio mechanism (31) consists of a control gear a (301) and a control gear b (302), the gear teeth of the control gear a (301) and the control gear b (302) of each group of gear ratio mechanism (31) are meshed for transmission, and the control gear a (301) and the control gear b (302) are both rotationally connected inside the installation shell (101);
the two winding discs (102) are arranged, and the two winding discs (102) and the two groups of gear ratio mechanisms (31) are symmetrically arranged at the top and the bottom of the installation shell (101);
the outer side of the winding disc (102) is provided with a synchronous rack (1021), the inside of the installation shell (101) is provided with a synchronous rotating column, the top and the bottom of the synchronous rotating column are respectively provided with a synchronous gear (1011), and the synchronous rack (1021) is in meshed transmission with the teeth of the synchronous gear (1011);
a rolling rack (1022) is arranged at the inner side of the disc body of the rolling disc (102), and gear teeth of the rolling rack (1022) are meshed with gear teeth of the control gear b (302) for transmission;
a transmission toothed ring (2011) is arranged on the outer side of the column body of the switching column (201), a control groove (311) is formed in the control gear a (301), and the transmission toothed ring (2011) is inserted into the control groove (311);
the control groove (311) consists of an idle groove (3111) and a transmission tooth groove (3112), the idle groove (3111) positioned in the control gear a (301) at the top of the installation housing (101) is positioned at the bottom of the transmission tooth groove (3112), and the idle groove (3111) positioned in the control gear a (301) at the bottom of the installation housing (101) is positioned at the top of the transmission tooth groove (3112);
the middle part of the column body of the switching column (201) is provided with a winding block (2012), the block shape of the winding block (2012) is of a regular polygon design, the inside of the tape measure mounting cylinder (202) is provided with a winding long groove (2022), and the winding block (2012) is spliced in the winding long groove (2022).
2. A land survey tool for natural resource space planning management as recited in claim 1, wherein: two groups of positioning convex columns (2023) are arranged in the tape measure mounting cylinder (202), positioning grooves (20121) are formed in the side faces of blocks of the rolling blocks (2012), and the positioning convex columns (2023) are spliced in the positioning grooves (20121).
3. A land survey tool for natural resource space planning management as recited in claim 2, wherein: the inside of location projection (2023) is equipped with reset top spring (20231), and the both ends of reset top spring (20231) are fixed connection respectively in the inside of location projection (2023) and the inside of tape measure mounting cylinder (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532317.6A CN114111509B (en) | 2021-12-15 | 2021-12-15 | Land measuring tool for natural resource space planning management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532317.6A CN114111509B (en) | 2021-12-15 | 2021-12-15 | Land measuring tool for natural resource space planning management |
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| Publication Number | Publication Date |
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| CN114111509A CN114111509A (en) | 2022-03-01 |
| CN114111509B true CN114111509B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111532317.6A Active CN114111509B (en) | 2021-12-15 | 2021-12-15 | Land measuring tool for natural resource space planning management |
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| CN (1) | CN114111509B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116678276B (en) * | 2023-08-04 | 2023-10-10 | 滨州高新高端装备制造产业园有限公司 | Park construction measuring device |
| CN117663947B (en) * | 2024-01-31 | 2024-04-05 | 灵石县林业局 | Forestry planning is with distance measurement device |
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| CN212540439U (en) * | 2020-06-19 | 2021-02-12 | 赵远新 | Water turbine fluted disc speed measurement analogue means |
| CN112895588A (en) * | 2021-01-21 | 2021-06-04 | 宋洋 | Carton processing apparatus for producing with accurate positioning mechanism |
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| WO2020023528A1 (en) * | 2018-07-24 | 2020-01-30 | Milwaukee Electric Tool Corporation | Tape measure with retraction spring adjacent to tape reel |
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| US5448837A (en) * | 1993-11-02 | 1995-09-12 | Han-Teng; Cheng | Structure of measuring tape |
| CN1160654A (en) * | 1995-12-22 | 1997-10-01 | Trw乘员约束系统公司 | Belt retractor for vehicle safety belts |
| TW530133B (en) * | 1999-12-17 | 2003-05-01 | Cor Dale E Van | Gear train and transmission system utilizing the same |
| CN1461938A (en) * | 2002-05-28 | 2003-12-17 | 谢智庆 | Flexible rule box capable of automatic winding out and contracting |
| CN2859447Y (en) * | 2005-11-11 | 2007-01-17 | 宁波长城精工实业有限公司 | Electric flexible rule |
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| CN112895588A (en) * | 2021-01-21 | 2021-06-04 | 宋洋 | Carton processing apparatus for producing with accurate positioning mechanism |
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| Publication number | Publication date |
|---|---|
| CN114111509A (en) | 2022-03-01 |
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