CN115585377A - Automatic lifting device for ADCP (advanced digital control protocol) and working method - Google Patents

Automatic lifting device for ADCP (advanced digital control protocol) and working method Download PDF

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Publication number
CN115585377A
CN115585377A CN202211261061.4A CN202211261061A CN115585377A CN 115585377 A CN115585377 A CN 115585377A CN 202211261061 A CN202211261061 A CN 202211261061A CN 115585377 A CN115585377 A CN 115585377A
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CN
China
Prior art keywords
adcp
connecting rod
automatic lifting
lifting device
vertical direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211261061.4A
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Chinese (zh)
Inventor
张兴强
吴彬
王怀利
姜东成
方振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dahua Surveying And Mapping Technology Co ltd
Original Assignee
Shanghai Dahua Surveying And Mapping Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Dahua Surveying And Mapping Technology Co ltd filed Critical Shanghai Dahua Surveying And Mapping Technology Co ltd
Priority to CN202211261061.4A priority Critical patent/CN115585377A/en
Publication of CN115585377A publication Critical patent/CN115585377A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The invention discloses an automatic lifting device for ADCP and a working method, wherein the automatic lifting device for ADCP comprises: a fixing plate; the sliding rail assembly is arranged on the fixing plate and is arranged along the vertical direction; the upper end of the connecting rod can be arranged on the sliding rail component in a vertically sliding manner, and the connecting rod is arranged in the vertical direction; the ADCP device, the ADCP device is installed in the lower extreme of connecting rod, and the ADCP device stretches into the aquatic setting, and the ADCP device operationally drives the connecting rod and removes along vertical direction, is provided with a buoyancy spare on the ADCP device, and buoyancy spare is used for producing ascending buoyancy. By applying the invention, the automatic lifting device for the ADCP is provided, the ADCP device can freely lift along with the fluctuation of tide in the vertical direction through the matching of the buoyancy piece, the connecting rod and the sliding rail component, so that the underwater depth of the ADCP device is kept unchanged, and the accuracy of the ADCP device in measurement is improved.

Description

Automatic lifting device for ADCP (advanced digital content protection) and working method
Technical Field
The invention relates to the technical field of flow measuring equipment, in particular to an automatic lifting device for ADCP.
Background
ADCP (Acoustic Doppler Current Profiler) is a novel ocean Current measuring instrument, is commonly used for observing special areas such as a cross-sea bridge, an ocean wind farm, a hydrological station and the like, because the areas cause the change of the flow state of local water flow due to the existence of pile foundations, the flow speed change range of the back water surface is larger than that of the upstream water surface, the strength range of silt erosion and deposition can correspondingly change along with the position of the pile foundations, the erosion and deposition range is relatively small, the buoy type ADCP is mainly concentrated near the pile foundations and needs to be adopted for monitoring, the existing buoy type ADCP is influenced and rocked along with the influence of sea waves in the observation process, the ADCP can rock up and down, left and right along with the sea waves, and the measurement precision is influenced.
Disclosure of Invention
In view of the above, in order to solve the above problems, an object of the present invention is to provide an automatic lifting device for an ADCP, including:
a fixing plate;
the sliding rail assembly is arranged on the fixing plate and is arranged along the vertical direction;
the upper end of the connecting rod can be arranged on the sliding rail component in a vertically sliding manner, and the connecting rod is arranged in the vertical direction;
the ADCP device, the ADCP device is installed in the lower extreme of connecting rod, and the ADCP device stretches into the aquatic setting, and the ADCP device is operativelydriven the connecting rod and removes along vertical direction, is provided with a buoyancy spare on the ADCP device, and buoyancy spare is used for producing ascending buoyancy.
In another preferred embodiment, the ADCP apparatus includes: casing, a plurality of transducer, chip and back lid, offered an accommodation space in the casing, an opening has been seted up to the one end of casing, opening and accommodation space intercommunication, back lid is located on the opening, and the back lid is installed in the lower extreme of connecting rod, and the chip mounting is in the accommodation space, and a plurality of transducers are all installed on the outer wall of the other end of casing, and a plurality of transducers all with chip communication connection.
In another preferred embodiment, the buoyancy member comprises: and the air bag is arranged on the outer wall of the shell.
In another preferred embodiment, the slide rail assembly comprises: the base, the guide bar, the slide, the erection column, mounting panel and two snap rings, the one end of base is installed in the one end of fixed plate, the length direction of base sets up along vertical direction, the guide bar is installed on one side of base, the guide bar sets up along vertical direction, one side slidable ground cover of slide is located on the guide bar, the one end of erection column is installed on the opposite side of slide, one side of mounting panel is installed on the other end of erection column, two snap rings are installed respectively in the both ends of mounting panel, the upper end of connecting rod is all located to two snap rings covers.
In another preferred embodiment, the slide rail assembly further comprises: and one ends of the two blocking pieces are respectively and rotatably connected with the two ends of the base, and the other ends of the two blocking pieces are respectively and lockably connected with the two ends of the guide rod.
In another preferred embodiment, a plurality of fixing holes are formed in the other side of the base, and the fixing holes are sequentially formed along the length direction of the base.
In another preferred embodiment, the method further comprises: a plurality of balls, a logical groove has been seted up to one side of slide, lead to the groove slidable cover locate the guide bar on, lead to the both ends that the groove runs through the slide, a plurality of balls all can be installed on the inner wall that leads to the groove with rolling.
In another preferred embodiment, the air bag is arranged in a ring shape, and the air bag is sleeved on the outer wall of the shell.
In another preferred embodiment, the method further comprises: the connecting buckle is arranged at the lower end of the connecting rod, one end of the flange ring is arranged on the connecting buckle, and the other end of the flange ring is connected with the rear cover.
The invention also aims to provide an operating method of the automatic lifting device for the ADCP, which comprises any one of the automatic lifting devices for the ADCP, and the operating method comprises the following steps:
s1, mounting a fixing plate at an adjacent water position;
s2, arranging the slide rail assembly along the vertical direction;
s3, mounting the connecting rod on the sliding rail assembly, and mounting the ADCP device on the squatting position of the connecting rod;
and S4, adjusting the buoyancy generated by the buoyancy piece, and controlling the ADCP device to be at a preset draft.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following positive effects: by applying the invention, the automatic lifting device for the ADCP is provided, the ADCP device can freely lift along with the fluctuation of tide in the vertical direction through the matching of the buoyancy piece, the connecting rod and the sliding rail component, so that the underwater depth of the ADCP device is kept unchanged, and the accuracy of the ADCP device in measurement is improved.
Drawings
Fig. 1 is a schematic view illustrating the use of an automatic lifting device for an ADCP according to the present invention;
fig. 2 is a schematic view of an ADCP apparatus of an automatic lifting apparatus for an ADCP according to the present invention;
fig. 3 is a schematic cross-sectional view of an ADCP apparatus of an automatic lifting apparatus for an ADCP according to the present invention;
fig. 4 is a schematic view of a carriage of an automatic lifting device for an ADCP according to the present invention;
fig. 5 is a first partial schematic view of a slide rail assembly of an automatic lifting device for an ADCP according to the present invention;
fig. 6 is a second partial schematic view of a slide rail assembly of an automatic lifting device for an ADCP according to the present invention.
In the drawings: 1. a fixing plate; 2. a slide rail assembly; 3. a connecting rod; 4. an ADCP device; 5. a housing; 6. a transducer; 7. a chip; 8. a rear cover; 9. an air bag; 10. a base; 11. a guide rod; 12. a slide base; 13. mounting a column; 14. mounting a plate; 15. a snap ring; 16. a baffle plate; 18. a through groove; 19. a ball bearing; 20. connecting buckles; 21. a flange ring; 22. and (7) fixing holes.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 6, an automatic elevating ADCP of a preferred embodiment is shown, which includes:
a fixed plate 1;
the sliding rail component 2 is arranged on the fixing plate 1, and the sliding rail component 2 is arranged along the vertical direction;
the upper end of the connecting rod 3 can be vertically and slidably arranged on the sliding rail component 2, and the connecting rod 3 is arranged along the vertical direction;
the ADCP device 4 and the ADCP device 4 are arranged at the lower end of the connecting rod 3, the ADCP device 4 extends into the water, the ADCP device 4 can drive the connecting rod 3 to move along the vertical direction in an operation mode, and a buoyancy piece is arranged on the ADCP device 4 and used for generating upward buoyancy.
In the in-service use process, install fixed plate 1 in adjacent water department, then set up slide rail set spare 2 along vertical direction, install connecting rod 3 on slide rail set spare 2 again to install ADCP device 4 in the lower extreme of connecting rod 3, adjust the size of the produced buoyancy of buoyancy piece at last, control ADCP device 4 be in a predetermined draft can.
Further, as a preferred embodiment, the ADCP apparatus 4 includes: casing 5, a plurality of transducer 6, chip 7 and back lid 8, seted up an accommodation space in the casing 5, an opening has been seted up to the one end of casing 5, opening and accommodation space intercommunication, and back lid 8 lid is located on the opening, and back lid 8 is installed in the lower extreme of connecting rod 3, and chip 7 is installed in the accommodation space, and a plurality of transducers 6 are all installed on the outer wall of the other end of casing 5, and a plurality of transducers 6 all with chip 7 communication connection.
Further, as a preferred embodiment, the buoyancy member includes: and the air bag 9 is mounted on the outer wall of the shell 5. Further, in the actual use process, after the components are installed, the ADCP device 4 is stretched into the water of the area to be measured, the inflation quantity in the air bag 9 of the ADCP device 4 is adjusted according to the measurement requirement, and then the draft of the ADCP device 4 is adjusted.
Further, as a preferred embodiment, the fixing plate 1 is provided with a plurality of through holes for mounting the expansion screws. Furthermore, in the actual use process, an expansion screw is installed in each through hole, and the fixing plate 1 is fixed on the pier through the expansion screw.
Further, as a preferred embodiment, the slide rail assembly 2 includes: base 10, guide bar 11, slide 12, erection column 13, mounting panel 14 and two snap rings 15, the one end of base 10 is installed in the one end of fixed plate 1, the length direction of base 10 sets up along vertical direction, guide bar 11 is installed on one side of base 10, guide bar 11 sets up along vertical direction, one side slidable ground cover of slide 12 is located on guide bar 11, the one end of erection column 13 is installed on the opposite side of slide 12, one side of mounting panel 14 is installed on the other end of erection column 13, two snap rings 15 are installed respectively in the both ends of mounting panel 14, two snap rings 15 all overlap and locate on connecting rod 3. Further, the guide bar 11 and the base 10 are integrally provided.
Further, as a preferred embodiment, the slide rail assembly 2 further includes: and one end of each of the two blocking pieces 16 is rotatably connected with two ends of the base 10, and the other end of each of the two blocking pieces 16 is lockably connected with two ends of the guide rod 11. Furthermore, the other end of each blocking piece 16 is provided with a through hole, the two ends of the guide rod 11 are both provided with a threaded hole, when the other ends of the two blocking pieces 16 are required to be fixedly connected with the two ends of the guide rod 11, the two blocking pieces 16 are rotated to enable the through holes to be operably opposite to the threaded holes and fixed through bolts, when the sliding seat is installed, one side of the sliding seat 12 is firstly sleeved on the guide rod 11, and then the two blocking pieces 16 are respectively fixed with the two ends of the guide rod 11.
Further, as a preferred embodiment, a plurality of fixing holes 22 are formed on the other side of the base 10, and the plurality of fixing holes 22 are sequentially formed along the length direction of the base 10. Further, the fixing holes 22 are used for fixing the base to the pier to prevent the base 10 from shaking, and specifically, a fixing bolt is installed in each fixing hole 22, and the base 10 is fixed by the fixing bolt.
Further, as a preferred embodiment, the two clasps 15 are provided with openings, two extending pieces are provided at the openings of each clasp 15, each extending piece is provided with a threaded hole, the two extending pieces are oppositely arranged, and the two extending pieces are operatively connected through a bolt and a nut. Further, in the actual use process, the two snap rings 15 are opened, the upper end of the connecting rod 3 is sleeved in the two snap rings 15, one end of the bolt penetrates through the threaded holes of the two extending pieces, the nut is mounted at one end of the bolt and is screwed, and the steps are repeated when the position of the connecting rod 3 needs to be adjusted.
Further, as a preferred embodiment, the method further comprises: a plurality of balls 19, a through groove 18 is opened at one side of the sliding seat 12, the through groove 18 is slidably sleeved on the guide rod 11, the through groove 18 penetrates through two ends of the sliding seat 12, and the balls 19 can be rollably mounted on the inner wall of the through groove 18. Furthermore, the inner contour of the through groove 18 is matched with the outer contour of the guide rod 11, and the plurality of balls 19 are arranged to facilitate the sliding seat 12 to move on the guide rod 11, so that the depth of the ADCP device 4 in water is changed in time, and the measurement accuracy of the ADCP device 4 is improved.
Further, as a preferred embodiment, the air bag 9 is disposed annularly, and the air bag 9 is sleeved on the outer wall of the housing 5.
Further, as a preferred embodiment, the method further comprises: the connecting buckle 20 is arranged at the lower end of the connecting rod 3, one end of the flange ring 21 is arranged on the connecting buckle 20, and the other end of the flange ring 21 is connected with the rear cover 8. Furthermore, a plurality of threaded holes are formed in the rear cover 8 and the flange ring 21, and a bolt sequentially penetrates through the threaded holes in the flange ring 21 and the threaded holes in the rear cover 8 from top to bottom to complete installation.
In a further embodiment of the present invention, the method further comprises: the screen panel, the screen panel cover is located on the outer wall of casing 5, and gasbag 9 sets up between screen panel and casing 5, and the screen panel is used for preventing the impaired gas leakage that leads to of gasbag 9. Further, in the actual use process, a mesh enclosure is sleeved on the shell 5, and the air bag 9 is sleeved in the mesh enclosure to prevent underwater sundries from damaging the air bag 9.
In a further embodiment of the present invention, the method further comprises: the hinge comprises a first hinge, a second hinge and a hinge shaft, wherein one end of the first hinge is rotatably arranged on the hinge shaft, a fixing plate 1 is arranged at the other end of the first hinge, one end of the second hinge is rotatably arranged on the hinge shaft, and one end of the other side of a base 10 is arranged at the other end of the second hinge. Further, in the in-service use process, base 10 and fixed plate 1 rotate to be connected, can adjust the contained angle between fixed plate 1 and the base 10 according to the in-service use condition in order to guarantee that base 10 sets up along vertical direction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope and the implementation manner of the present invention.
The present invention also has the following embodiments in addition to the above:
on the basis of the technical scheme of the invention, the invention also provides a working method of the automatic lifting device for the ADCP, which comprises any one of the automatic lifting devices for the ADCP, and the working method comprises the following steps:
s1, mounting a fixed plate 1 at an adjacent water position;
in a further embodiment of the present invention, the adjacent water in step S1 comprises: on piers, quayside, or other structure platforms.
S2, arranging the slide rail assembly 2 along the vertical direction;
in a further embodiment of the present invention, a level is used to measure whether the slide rail assembly 2 is vertically disposed.
Step S3, installing the connecting rod 3 on the sliding rail component 2, and installing the ADCP device 4 at the lower end of the connecting rod 3;
and S4, adjusting the buoyancy generated by the buoyancy member, and controlling the ADCP device 4 to be at a preset draft.
In a further embodiment of the invention, the buoyancy member comprises: when the air bag 9 is actually used, the inflation amount in the air bag 9 of the ADCP device 4 is adjusted according to the measured requirement, and then the draft of the ADCP device 4 is adjusted.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. An automatic lifting device for an ADCP, comprising:
a fixing plate;
the sliding rail assembly is arranged on the fixing plate and is arranged along the vertical direction;
the upper end of the connecting rod can be mounted on the sliding rail assembly in a vertically sliding manner, and the connecting rod is arranged in the vertical direction;
the ADCP device is installed at the lower end of the connecting rod and extends into the water to be arranged, the ADCP device can drive the connecting rod to move in the vertical direction in an operating mode, and a buoyancy piece is arranged on the ADCP device and used for generating upward buoyancy.
2. The automatic lifting device for ADCP of claim 1, wherein the ADCP apparatus comprises: casing, a plurality of transducer, chip and back lid, an accommodation space has been seted up in the casing, an opening has been seted up to the one end of casing, the opening with the accommodation space intercommunication, back lid is located on the opening, back lid install in the lower extreme of connecting rod, the chip install in the accommodation space, a plurality of the transducer all install in on the outer wall of the other end of casing, a plurality of the transducer all with chip communication connection.
3. The automated lifting device for ADCP of claim 2, wherein the buoyancy member comprises: and the air bag 9 is mounted on the outer wall of the shell.
4. The automatic lifting device for an ADCP of claim 1, wherein the slide rail assembly comprises: base, guide bar, slide, erection column, mounting panel and two snap rings the one end of base install in the one end of fixed plate, the length direction of base sets up along vertical direction, the guide bar install in on one side of base, the guide bar sets up along vertical direction, one side slidable ground cover of slide is located on the guide bar, the one end of erection column install in on the opposite side of slide, one side of mounting panel install in on the other end of erection column, two the snap ring install respectively in the both ends of mounting panel, two the snap ring is all overlapped and is located the upper end of connecting rod.
5. The automatic lifting device for an ADCP of claim 4, wherein the slide rail assembly further comprises: and one ends of the two blocking pieces are respectively and rotatably connected with the two ends of the base, and the other ends of the two blocking pieces are respectively and lockably connected with the two ends of the guide rod.
6. The automatic lifting device for an ADCP of claim 4, wherein a plurality of fixing holes are opened on the other side of the base, and a plurality of fixing holes are opened in sequence along the length direction of the base.
7. The automatic lifting device for an ADCP of claim 4, further comprising: the guide rod is arranged on the sliding seat, the guide rod is arranged on the sliding seat in a sleeved mode, the through grooves penetrate through two ends of the sliding seat, and the plurality of balls can be arranged on the inner wall of the through groove in a rolling mode.
8. The automatic lifting device for an ADCP of claim 3, wherein the air bag is disposed in a ring shape, and the air bag is sleeved on an outer wall of the housing.
9. The automatic lifting device for ADCP of claim 2, further comprising: the connecting buckle is arranged at the lower end of the connecting rod, one end of the flange ring is arranged on the connecting buckle, and the other end of the flange ring is connected with the rear cover.
10. An operating method of an automatic lifting device for an ADCP, comprising the automatic lifting device for an ADCP of any one of claims 1 to 9, the operating method comprising the steps of:
s1, mounting the fixing plate at an adjacent water position;
s2, arranging the slide rail assembly along the vertical direction;
s3, mounting the connecting rod on the sliding rail assembly, and mounting the ADCP device at the lower end of the connecting rod;
and S4, adjusting the buoyancy generated by the buoyancy piece, and controlling the ADCP device to be at a preset draft.
CN202211261061.4A 2022-10-14 2022-10-14 Automatic lifting device for ADCP (advanced digital control protocol) and working method Pending CN115585377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211261061.4A CN115585377A (en) 2022-10-14 2022-10-14 Automatic lifting device for ADCP (advanced digital control protocol) and working method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211261061.4A CN115585377A (en) 2022-10-14 2022-10-14 Automatic lifting device for ADCP (advanced digital control protocol) and working method

Publications (1)

Publication Number Publication Date
CN115585377A true CN115585377A (en) 2023-01-10

Family

ID=84779454

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211261061.4A Pending CN115585377A (en) 2022-10-14 2022-10-14 Automatic lifting device for ADCP (advanced digital control protocol) and working method

Country Status (1)

Country Link
CN (1) CN115585377A (en)

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