CN221238477U - Precise weighing circumference measuring equipment for bar core material - Google Patents
Precise weighing circumference measuring equipment for bar core material Download PDFInfo
- Publication number
- CN221238477U CN221238477U CN202323119845.6U CN202323119845U CN221238477U CN 221238477 U CN221238477 U CN 221238477U CN 202323119845 U CN202323119845 U CN 202323119845U CN 221238477 U CN221238477 U CN 221238477U
- Authority
- CN
- China
- Prior art keywords
- arc
- mounting
- block
- wall
- groove
- 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.)
- Active
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 30
- 239000011162 core material Substances 0.000 title claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a precise weighing circumference measuring device for bar core materials, which comprises a base, wherein mounting frames are fixedly arranged on two sides of the base, sliding grooves are formed in two sides of the inner wall of the mounting frames, sliding blocks are connected to the inner walls of the sliding grooves in a sliding manner, one side of each sliding block is connected with an adjusting component in a mounting manner through a measuring component, a moving groove is formed in the middle of the top of the base, and a moving component is arranged on the inner wall of each moving groove. The utility model comprises the following steps: two electric putter drive two installation pieces and slider and slide in two spouts, adjust the height of two arc seats, two cylinders drive two arc seats and remove, two arc seats drive two sets of telescopic links and remove in two sets of jacks, it is spacing to it, two arc seats drive two arc cushion and remove, when it contacts and atress with cylindricality bar surface, arc cushion extrudees a plurality of spring, until it contacts with pressure sensor, cooperation two range sensor are measured the diameter of cylindricality bar and are presented at the display screen, obtain the circumference data of material.
Description
Technical Field
The utility model belongs to the technical field of automatic detection and measurement, and particularly relates to a precise weighing circumference measuring device for bar core materials.
Background
The appearance parameters of the bar are important basis for the characteristics of the final processed product, an automatic system for bar production and processing is mature, bar detection also depends on manual measurement, along with the gradual perfection of the automatic production system, the original manual measurement cannot meet the requirement for bar product measurement, and the square bar appearance dimension measuring equipment disclosed by the retrieval application number of CN202320928684.6 drives the square bar to move to a measuring window on a bearing table through a movable workbench, and the edge distance and the end face verticality of the square bar are automatically measured through a ranging sensor assembly and an end face measuring sensor, so that the manual measurement is not needed, the measurement accuracy and the measurement efficiency are improved, but the device has the following defects when in use: when the existing bar measuring equipment is used, the circumference length of the cylindrical bar is inconvenient to measure, so that the measured data of the cylindrical bar is inconvenient to compare with the design specification, and therefore the bar core material precise weighing circumference measuring equipment before the practicability is required to be designed.
Disclosure of utility model
The utility model aims to provide a precise weighing circumference measuring device for bar core materials, and aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bar core material precision weighing circumference measuring equipment, includes the base, the both sides fixed mounting of base has the mounting bracket, the spout has all been seted up to the both sides of mounting bracket inner wall, sliding connection has the slider on the inner wall of spout, one side of slider is through measuring subassembly and adjusting part erection joint, the removal groove has been seted up at the middle part at base top, the inner wall in removal groove is equipped with the removal subassembly;
The measuring assembly comprises two air cylinders arranged on the opposite sides of the two sliding blocks, the output rods of the two air cylinders are fixedly connected with arc-shaped seats, the inner walls of the arc-shaped seats are fixedly connected with one side of the arc-shaped cushion blocks through a plurality of springs, the middle parts of the inner walls are provided with pressure sensors, and the tops of the arc-shaped seats are provided with distance measuring sensors;
The adjusting component comprises two telescopic rods fixedly connected with the other side of the arc-shaped seat, two inserting holes are formed in the other ends of the telescopic rods and one end of the mounting block in a penetrating mode, the other ends of the mounting block are fixedly connected with the surface of the sliding block, the top of the mounting block is fixedly connected with the telescopic end of the electric push rod, and the telescopic end is connected with the top of the mounting frame in a penetrating mode.
As a preferable scheme of the utility model, a limiting rod is arranged on the inner wall of the chute, and the surface of the limiting rod is connected with a through hole formed in the top of the sliding block in a penetrating way.
As a preferable scheme of the utility model, the moving assembly comprises a motor arranged on one side of the inner wall of the moving groove, an output shaft of the motor is fixedly connected with a threaded rod, the other end of the threaded rod is rotationally connected with the other side of the inner wall of the moving groove through a bearing, a moving block is connected to the surface of the threaded rod in a threaded manner, and a weighing assembly is arranged at the top of the moving block.
As a preferable scheme of the utility model, the weighing assembly comprises a mounting seat arranged at the top of the moving block, a mounting groove is formed in the top of the mounting seat, a weighing instrument is arranged on the inner wall of the mounting groove, and an arc-shaped supporting seat is arranged at the top of the mounting groove.
As a preferable scheme of the utility model, the two sides of the top of the base are respectively provided with a bar block, one side of each bar block opposite to the bar blocks is respectively provided with a limit groove, the inner wall of each limit groove is provided with a guide rod, and the surfaces of the guide rods are respectively provided with two penetrating holes for penetrating and connecting with the two sides of the mounting seat.
As a preferable scheme of the utility model, the surface of the mounting frame is provided with a display screen, and the display screen is electrically connected with the ranging sensor.
As a preferable scheme of the utility model, a control panel is arranged on the side of the base, and the display screen, the pressure sensor, the ranging sensor, the electric push rod and the motor are all electrically connected with an external power supply through the control panel.
Compared with the prior art, the utility model has the beneficial effects that:
1) The two electric push rods drive the two installation blocks to move, the two installation blocks are matched with the through holes to drive the two sliding blocks to slide on the surfaces of the two limiting rods in the two sliding grooves, so that the heights of the two arc-shaped seats are adjusted, the output rods of the two air cylinders drive the two arc-shaped seats to move, the two arc-shaped seats drive the two telescopic rods to move in the two groups of jacks at one ends of the two installation blocks, so that the two telescopic rods are limited when the two telescopic rods move, the two arc-shaped seats drive the two arc-shaped cushion blocks to move, when the two arc-shaped cushion blocks are contacted with and stressed on the surfaces of cylindrical bars, the arc-shaped cushion blocks squeeze the plurality of springs until the two arc-shaped cushion blocks are contacted with the pressure sensors, and the diameters of the cylindrical bars are measured and displayed on the surfaces of the display screen by matching with the two distance measuring sensors, so that circumferential data of materials are obtained;
2) The motor is matched with the bearing to drive the threaded rod to rotate, the threaded rod drives the moving block to move in the moving groove, the moving block is matched with the through hole to drive the mounting seat to slide on the surfaces of the two guide rods in the two limiting grooves, so that the cylindrical bar is limited, placed in the arc-shaped supporting seat at the top of the weighing instrument, weighed, moved to the inside of the mounting frame after being weighed, and subjected to circumference measurement, and the flexibility of the device is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG.1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of the measuring and adjusting components of the present utility model;
Fig. 4 is a schematic diagram of a moving assembly according to the present utility model.
In the figure: 1. a base; 11. a mounting frame; 12. a chute; 13. a slide block; 14. a moving groove; 15. a limit rod; 16. a through hole; 17. a bar block; 18. a limit groove; 19. a guide rod; 110. a display screen; 111. a control panel; 2. a measurement assembly; 21. a cylinder; 22. an arc-shaped seat; 23. a spring; 24. arc cushion blocks; 25. a pressure sensor; 26. a ranging sensor; 3. an adjustment assembly; 31. a telescopic rod; 32. a mounting block; 33. a jack; 34. an electric push rod; 4. a moving assembly; 41. a motor; 42. a threaded rod; 43. a bearing; 44. a moving block; 45. a mounting base; 46. a mounting groove; 47. a weighing instrument; 48. an arc-shaped supporting seat; 49. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a bar core material precision weighing circumference measuring equipment, includes base 1, and mounting bracket 11 is fixed mounting in the both sides of base 1, and spout 12 has all been seted up to the both sides of mounting bracket 11 inner wall, and sliding connection has slider 13 on the inner wall of spout 12, and one side of slider 13 passes through measuring assembly 2 and adjusting assembly 3 installation connection, and moving groove 14 has been seted up at the middle part at base 1 top, and moving assembly 4 is equipped with to moving groove 14's inner wall;
The measuring assembly 2 comprises two air cylinders 21 arranged on the opposite sides of the two sliding blocks 13, the output rods of the two air cylinders 21 are fixedly connected with an arc-shaped seat 22, the inner wall of the arc-shaped seat 22 is fixedly connected with one side of an arc-shaped cushion block 24 through a plurality of springs 23, the middle part of the inner wall is provided with a pressure sensor 25, and the top of the arc-shaped seat 22 is provided with a ranging sensor 26;
the adjusting component 3 comprises two telescopic rods 31 fixedly connected with the other side of the arc-shaped seat 22, two insertion holes 33 are formed in the other ends of the two telescopic rods 31 and one end of a mounting block 32 in a penetrating manner, the other ends of the mounting block 32 are fixedly connected with the surface of the sliding block 13, the top of the mounting block 32 is fixedly connected with the telescopic end of an electric push rod 34, and the telescopic end is in penetrating manner with the top of the mounting frame 11.
When the device is specifically used, the two electric push rods 34 drive the two mounting blocks 32 to move, the two mounting blocks 32 are matched with the through holes 16 to drive the two sliding blocks 13 to slide on the surfaces of the two limiting rods 15 in the two sliding grooves 12, so that the height of the two arc-shaped seats 22 is adjusted, the output rods of the two cylinders 21 drive the two arc-shaped seats 22 to move, the two arc-shaped seats 22 drive the two telescopic rods 31 to move in the two inserting holes 33 at one ends of the two mounting blocks 32, so that the two telescopic rods are limited when the two telescopic rods move, the two arc-shaped seats 22 drive the two arc-shaped cushion blocks 24 to move, and when the two arc-shaped cushion blocks 24 are contacted with and stressed on the surfaces of cylindrical bars, the arc-shaped cushion blocks 24 squeeze the plurality of springs 23 until the arc-shaped cushion blocks are contacted with the pressure sensors 25, and the diameters of the cylindrical bars are measured by the two ranging sensors 26 and are displayed on the surface of the display screen 110, so that circumferential data of materials are obtained.
In this embodiment, a limiting rod 15 is disposed on the inner wall of the chute 12, and the surface of the limiting rod 15 is connected with a through hole 16 formed in the top of the slider 13 in a penetrating manner.
When the sliding block is particularly used, the two mounting blocks 32 are matched with the through holes 16 to drive the two sliding blocks 13 to slide on the surfaces of the two limiting rods 15 in the two sliding grooves 12, so that the movement of the sliding blocks is limited.
In this embodiment, the moving assembly 4 includes a motor 41 installed on one side of the inner wall of the moving groove 14, an output shaft of the motor 41 is fixedly connected with a threaded rod 42, the other end of the threaded rod 42 is rotationally connected with the other side of the inner wall of the moving groove 14 through a bearing 43, a moving block 44 is in threaded connection with the surface of the threaded rod 42, and a weighing assembly is arranged on the top of the moving block 44.
When the device is specifically used, the motor 41 is matched with the bearing 43 to drive the threaded rod 42 to rotate, the threaded rod 42 drives the moving block 44 to move in the moving groove 14, the moving block 44 is matched with the through hole 49 to drive the mounting seat 45 to slide on the surfaces of the two guide rods 19 in the two limiting grooves 18, so that the cylindrical bar is limited, is placed in the arc-shaped supporting seat 48 at the top of the weighing instrument 47, is weighed, is moved to the inside of the mounting frame 11 after being weighed, is subjected to circumference measurement, and the flexibility of the device is improved.
In this embodiment, the weighing assembly includes a mounting seat 45 mounted on the top of the moving block 44, a mounting groove 46 is formed in the top of the mounting seat 45, a weighing instrument 47 is disposed on the inner wall of the mounting groove 46, and an arc-shaped supporting seat 48 is disposed on the top of the mounting groove.
In particular use, a cylindrical bar is placed in the arc-shaped support 48 at the top of the weighing instrument 47, so that it is weighed, in order to obtain data of the bar.
In this embodiment, two sides of the top of the base 1 are provided with bar blocks 17, one side of each of the two bar blocks 17 opposite to each other is provided with a limiting groove 18, the inner wall of each limiting groove 18 is provided with a guide rod 19, and two through holes 49 are formed on the surface of each guide rod 19 and two sides of the mounting seat 45 to be connected in a penetrating manner.
When the guide rod limiting device is specifically used, the moving block 44 is matched with the through hole 49 to drive the mounting seat 45 to slide on the surfaces of the two guide rods 19 in the two limiting grooves 18, so that the limiting moving block 44 is matched with the through hole 49 to drive the mounting seat 45 to slide on the surfaces of the two guide rods 19 in the two limiting grooves 18, and the limiting is realized.
In this embodiment, the surface of the mounting frame 11 is provided with a display screen 110, and the display screen 110 is electrically connected with the ranging sensor 26.
In particular use, diameter data of the cylindrical bar stock is presented on the surface of the display screen 110 by utilizing the mutual cooperation between the two distance measuring sensors 26, so that the circumference data of the cylindrical bar stock is conveniently calculated.
In this embodiment, a control panel 111 is disposed on the side of the base 1, and the display 110, the pressure sensor 25, the ranging sensor 26, the electric push rod 34 and the motor 41 are all electrically connected with an external power supply through the control panel 111.
When the device is particularly used, the control panel 111 is used for controlling the display screen 110, the pressure sensor 25, the ranging sensor 26, the electric push rod 34 and the motor 41, so that the device can conveniently measure the circumference data and the weight data of the cylindrical bar.
Working principle: when the device is used, the device is connected with an external power supply, firstly, the motor 41 is matched with the bearing 43 to drive the threaded rod 42 to rotate, the threaded rod 42 is matched with the threaded rod 44 to drive the moving block 44 to move in the moving groove 14, the moving block 44 is matched with the through hole 49 to drive the mounting seat 45 to slide on the surfaces of the two guide rods 19 in the two limiting grooves 18, so that the device is limited, a cylindrical bar is placed in the arc-shaped supporting seat 48 at the top of the weighing instrument 47 to weigh the cylindrical bar, the cylindrical bar is moved to the inside of the mounting frame 11 to carry out circumference measurement after weighing, the two electric push rods 34 drive the two mounting blocks 32 to move, the two mounting blocks 32 are matched with the through holes 16 to drive the two sliding blocks 13 to slide on the surfaces of the two limiting rods 15 in the two sliding grooves 12, thereby adjust the height of two arc seats 22, the output pole of two cylinders 21 drives two arc seats 22 and removes, two arc seats 22 drive two sets of telescopic links 31 and remove in two sets of jacks 33 of two installation piece 32 one end, thereby it is spacing to it when removing, two arc seats 22 drive two arc cushion 24 and remove, when two arc cushion 24 contact and atress with cylindricality bar surface, arc cushion 24 extrudees a plurality of springs 23, until it contacts with pressure sensor 25, cooperate two range finding sensors 26 to measure the diameter of cylindricality bar and present on display screen 110 surface, thereby obtain the circumference data of material.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a precision weighing circumference measuring equipment of bar core material, includes base (1), its characterized in that: the device is characterized in that mounting frames (11) are fixedly arranged on two sides of the base (1), sliding grooves (12) are formed in two sides of the inner wall of each mounting frame (11), sliding blocks (13) are connected to the inner wall of each sliding groove (12) in a sliding mode, one side of each sliding block (13) is connected with the corresponding adjusting component (3) in a mounting mode through the corresponding measuring component (2), a moving groove (14) is formed in the middle of the top of the base (1), and moving components (4) are arranged on the inner wall of each moving groove (14);
The measuring assembly (2) comprises two air cylinders (21) arranged on one side opposite to the two sliding blocks (13), the output rods of the two air cylinders (21) are fixedly connected with arc-shaped seats (22), the inner walls of the arc-shaped seats (22) are fixedly connected with one side of an arc-shaped cushion block (24) through a plurality of springs (23), the middle parts of the inner walls are provided with pressure sensors (25), and the tops of the arc-shaped seats (22) are provided with distance measuring sensors (26);
The adjusting component (3) comprises two telescopic rods (31) fixedly connected with the other side of the arc-shaped base (22), two telescopic rods (31) are connected with two insertion holes (33) formed in one end of a mounting block (32) in an inserted mode, the other end of the mounting block (32) is fixedly connected with the surface of a sliding block (13), the top of the mounting block (32) is fixedly connected with the telescopic end of an electric push rod (34), and the telescopic end is connected with the top of a mounting frame (11) in an inserted mode.
2. A precision weighing circumference measuring apparatus for bar core material according to claim 1, wherein: a limiting rod (15) is arranged on the inner wall of the sliding groove (12), and the surface of the limiting rod (15) is connected with a through hole (16) formed in the top of the sliding block (13) in a penetrating mode.
3. A precision weighing circumference measuring apparatus for bar core material according to claim 1, wherein: the movable assembly (4) comprises a motor (41) arranged on one side of the inner wall of the movable groove (14), an output shaft of the motor (41) is fixedly connected with a threaded rod (42), the other end of the threaded rod (42) is rotatably connected with the other side of the inner wall of the movable groove (14) through a bearing (43), a movable block (44) is connected with the surface of the threaded rod (42) in a threaded manner, and a weighing assembly is arranged at the top of the movable block (44).
4. A precision weighing circumference measuring equipment for bar core material according to claim 3, characterized in that: the weighing assembly comprises a mounting seat (45) arranged at the top of the moving block (44), a mounting groove (46) is formed in the top of the mounting seat (45), a weighing instrument (47) is arranged on the inner wall of the mounting groove (46), and an arc-shaped supporting seat (48) is arranged at the top of the mounting groove.
5. A precision weighing circumference measuring apparatus for bar core material according to claim 1, wherein: the two sides at the top of the base (1) are respectively provided with a bar block (17), two opposite sides of each bar block (17) are respectively provided with a limit groove (18), the inner wall of each limit groove (18) is provided with a guide rod (19), and the surfaces of the guide rods (19) are respectively connected with two penetrating holes (49) which are respectively formed in two sides of the mounting seat (45) in a penetrating mode.
6. A precision weighing circumference measuring apparatus for bar core material according to claim 1, wherein: the surface of the mounting frame (11) is provided with a display screen (110), and the display screen (110) is electrically connected with the ranging sensor (26).
7. A precision weighing circumference measuring equipment for bar core material according to claim 6, characterized in that: the side of base (1) is equipped with control panel (111), display screen (110), pressure sensor (25), range finding sensor (26), electric putter (34) and motor (41) all pass through control panel (111) and external power supply electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323119845.6U CN221238477U (en) | 2023-11-20 | 2023-11-20 | Precise weighing circumference measuring equipment for bar core material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323119845.6U CN221238477U (en) | 2023-11-20 | 2023-11-20 | Precise weighing circumference measuring equipment for bar core material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238477U true CN221238477U (en) | 2024-06-28 |
Family
ID=91597697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323119845.6U Active CN221238477U (en) | 2023-11-20 | 2023-11-20 | Precise weighing circumference measuring equipment for bar core material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221238477U (en) |
-
2023
- 2023-11-20 CN CN202323119845.6U patent/CN221238477U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115235402A (en) | High-precision detection machine | |
| CN212513610U (en) | Gear meshing degree inspection device | |
| CN221238477U (en) | Precise weighing circumference measuring equipment for bar core material | |
| CN110701980A (en) | Intelligent quality monitoring device for bearing ring | |
| CN219745889U (en) | Straightening module of rack straightening machine | |
| CN218974017U (en) | Adjustment mechanism for cord shrinkage tester | |
| CN211012776U (en) | Intelligent quality monitoring device for bearing ring | |
| CN112444227A (en) | Multi-size automatic depth detection device | |
| CN217132021U (en) | A calibration equipment for mould development | |
| CN117091958A (en) | Measuring device for parts and using method thereof | |
| CN210486828U (en) | Vehicle frame inspection measuring platform | |
| CN215572598U (en) | A inside and outside footpath measuring device for precision bearing processing | |
| CN211085134U (en) | Conveniently-adjusted inner diameter measuring device for machining vertebral body | |
| CN115752334A (en) | Bracket bearing outer ring channel diameter measuring device | |
| CN221280311U (en) | Building indoor design measuring apparatu fixer | |
| CN216558876U (en) | Cylindrical part excircle and hole coaxial detection frock | |
| CN209753704U (en) | Digital display manual straightener | |
| CN221404185U (en) | Bearing processing measuring device | |
| CN220062922U (en) | Wire drawing machine roll surface flatness detection device | |
| CN221925208U (en) | Novel test equipment | |
| CN113386061B (en) | Electric control unit pump lift air gap measuring device | |
| CN221936550U (en) | A processing location frock for pneumatic valve steel | |
| CN217845013U (en) | Railway freight car bearing inner race measuring device | |
| CN221300820U (en) | Examine a supporting seat subassembly | |
| CN219912506U (en) | Environmental monitor supporting device for environmental monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |