CN216086659U - High-precision broadband measuring device convenient to install - Google Patents
High-precision broadband measuring device convenient to install Download PDFInfo
- Publication number
- CN216086659U CN216086659U CN202122314413.5U CN202122314413U CN216086659U CN 216086659 U CN216086659 U CN 216086659U CN 202122314413 U CN202122314413 U CN 202122314413U CN 216086659 U CN216086659 U CN 216086659U
- Authority
- CN
- China
- Prior art keywords
- side wall
- shell
- fixedly connected
- outer side
- fixing
- 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
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model belongs to the technical field of broadband measuring devices, and particularly relates to a high-precision broadband measuring device convenient to mount, which comprises a shell, a broadband antenna body, a sliding block, a fixing column and a mounting assembly, wherein the shell is provided with a plurality of slots; a cavity is arranged inside the shell; the sliding block is arranged in the cavity and is in sliding fit with the inner side wall of the cavity; the broadband antenna body is fixedly connected to the top of the sliding block and is in sliding fit with the inner side wall of the shell; the mounting assembly is arranged outside the fixing column and fixedly connected with the outer side wall of the shell; the mounting assembly comprises a clamping plate, a fixing plate and a fixing mechanism; the clamping plate is sleeved on the outer side wall of the fixed column; the shell is fixedly connected to the outer side wall of the clamping plate; the pair of fixing plates are fixedly connected to the side walls of the end parts of the clamping plates; the fixing mechanism is arranged on the fixing plate; the installation and the dismantlement of broadband antenna body are realized through the installation component, avoid installing fixed trouble through the welding mode.
Description
Technical Field
The utility model relates to the technical field of broadband measuring devices, in particular to a high-precision broadband measuring device convenient to install.
Background
In order to perform signal reception with a wide-band antenna, the wide-band antenna needs to be installed in a place where signals are not easily blocked.
In the prior art, the broadband antenna is usually mounted by welding when being mounted, but the welding mounting mode is troublesome in operation and inconvenient for mounting and dismounting the broadband antenna, so a high-precision broadband measuring device convenient to mount is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-precision broadband measuring device which is convenient to mount, and aims to make up for the defects of the prior art and solve the problems that most broadband antennas are mounted in a welding mode during mounting, but the welding mounting mode is troublesome in operation and inconvenient to mount and dismount the broadband antennas.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a high-precision broadband measuring device convenient to mount, which comprises a shell, a broadband antenna body, a sliding block, a fixing column and a mounting assembly, wherein the shell is provided with a first end and a second end; a cavity is arranged inside the shell; the sliding block is arranged in the cavity and is in sliding fit with the inner side wall of the cavity; the broadband antenna body is fixedly connected to the top of the sliding block and is in sliding fit with the inner side wall of the shell; the mounting assembly is arranged outside the fixing column and fixedly connected with the outer side wall of the shell; the mounting assembly comprises a clamping plate, a fixing plate and a fixing mechanism; the clamping plate is sleeved on the outer side wall of the fixed column; the shell is fixedly connected to the outer side wall of the clamping plate; the pair of fixing plates are fixedly connected to the side walls of the end parts of the clamping plates; the fixing mechanism is arranged on the fixing plate; the installation and the dismantlement of broadband antenna body are realized through the installation component, avoid installing fixed trouble through the welding mode.
Preferably, the fixing plate is provided with a pair of through holes; the fixing mechanism comprises a bolt and a nut; the bolt is inserted in the through hole and penetrates through the through hole; the nut is sleeved on the outer side wall of the bolt, and the inner side wall of the nut is in threaded fit connection with the outer side wall of the bolt; make the fixed plate drive the grip block and compress tightly the fixed column lateral wall through the cooperation of nut and bolt to make the casing installed outside the fixed column.
Preferably, an adjusting mechanism is arranged inside the shell; the adjusting mechanism comprises a screw rod, a rotating shaft and a disc; the rotating shaft is rotatably connected to the inner side wall of the shell, and a pair of first bevel gears is fixedly connected to the outer side wall of the rotating shaft; the pair of screw rods are rotatably connected to the inner side wall of the top end of the shell, the screw rods penetrate through the sliding block, the screw rods are connected with the inner side wall of the sliding block through screw rod nut pairs, and the end parts of the screw rods are fixedly connected with second bevel gears; the second bevel gear is meshed with the first bevel gear; the disc is fixedly connected to the end part of the rotating shaft and is positioned outside the shell; the broadband antenna body is moved upwards through the adjusting mechanism, so that the broadband antenna body can better receive signals.
Preferably, a threaded hole is formed in the outer side wall of the shell; the side wall of the disc is provided with a threaded through hole; a threaded rod is rotationally connected in the threaded through hole; the threaded rod is in threaded fit with the inner side wall of the threaded through hole, and the threaded rod is in threaded fit with the inner side wall of the threaded hole; the disc is clamped through the matching work of the threaded rod and the threaded hole, and the disc is prevented from rotating.
Preferably, a baffle is fixedly connected to the outer side wall of the shell; the baffle is positioned at the top of the fixed column, and a rubber pad is fixedly connected to the bottom of the baffle; the baffle plate is arranged to support the shell to a certain extent, so that the shell is more stable to mount.
Preferably, a rotating handle is fixedly connected to the outer side wall of the disc; a limiting plate is fixedly connected to the inner side wall of the shell; the screw rod penetrates through the limiting plate; the rotating handle is arranged on the outer side wall of the disc, so that a worker can conveniently hold the rotating handle to rotate the disc, and the height adjustment work of the broadband antenna body is conveniently carried out.
The utility model has the advantages that:
1. according to the broadband antenna body, during installation, the clamping plate is sleeved on the outer side wall of the fixed column, the bolt penetrates through the through hole in the fixed plate, the nut is sleeved on the bolt, the nut is rotated, the fixed plate drives the clamping plate to tightly press the side wall of the fixed column in the nut rotation process, the clamping plate is stably clamped outside the fixed column, and the broadband antenna body is arranged inside the shell, so that the broadband antenna body is installed on the fixed column, the installation mode is simple and convenient, the broadband antenna body is convenient to install and disassemble, and the trouble of installation and fixation through a welding mode is avoided;
2. according to the broadband antenna, the rotating handle is rotated to drive the disc, the rotating shaft and the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to drive the second bevel gear to rotate with the screw rod, the sliding block slides upwards along the inner side wall of the cavity, the broadband antenna body moves upwards, the broadband antenna body receives signals better, after the height of the broadband antenna body is adjusted, the threaded rod is rotated, the end portion of the threaded rod enters the threaded hole, the disc is prevented from rotating, and the stability of the broadband antenna body on the top of the sliding block is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a partial cross-sectional view of a first embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic three-dimensional structure of a clamping plate and a fixing plate according to a first embodiment;
FIG. 5 is a schematic three-dimensional structure of the disk and the rotating handle in the second embodiment.
In the figure: 1. a housing; 11. a cavity; 12. a threaded hole; 13. a baffle plate; 14. a rubber pad; 15. a limiting plate; 2. a wide band antenna body; 3. a slider; 4. fixing a column; 5. mounting the component; 51. a clamping plate; 52. a fixing plate; 521. a through hole; 53. a fixing mechanism; 531. a bolt; 532. a nut; 6. an adjustment mechanism; 61. a screw rod; 62. a rotating shaft; 63. a disc; 631. a threaded through hole; 632. a threaded rod; 64. a first bevel gear; 65. a second bevel gear; 66. rotating the handle; 661. an anti-slip sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, a high-precision broadband measuring device convenient to mount includes a housing 1, a broadband antenna body 2, a slider 3, a fixing post 4 and a mounting assembly 5; a cavity 11 is arranged inside the shell 1; the sliding block 3 is arranged in the cavity 11 and is in sliding fit with the inner side wall of the cavity 11; the broadband antenna body 2 is fixedly connected to the top of the sliding block 3, and the broadband antenna body 2 is in sliding fit with the inner side wall of the shell 1; the mounting component 5 is arranged outside the fixing column 4, and the mounting component 5 is fixedly connected with the outer side wall of the shell 1; the mounting assembly 5 comprises a clamping plate 51, a fixing plate 52 and a fixing mechanism 53; the clamping plate 51 is sleeved on the outer side wall of the fixed column 4; the shell 1 is fixedly connected to the outer side wall of the clamping plate 51; a pair of fixing plates 52 are fixedly connected to the side walls of the end parts of the clamping plate 51; the fixing mechanism 53 is arranged on the fixing plate 52; during operation, when installing work, establish grip block 51 cover on fixed column 4 lateral wall, fixed plate 52 on the lateral wall of grip block 51 tip is locked through fixed establishment 53, make grip block 51 compress tightly the centre gripping to fixed column 4 lateral wall, make casing 1 remain stable on fixed column 4 lateral wall, casing 1 is inside to be equipped with broadband antenna body 2, thereby realized the installation of broadband antenna body 2 on fixed column 4, and the mounting means is simple convenient, be convenient for the installation and the dismantlement of broadband antenna body 2, avoid installing fixed trouble through the welding mode, receive the signal through broadband antenna body 2, the staff carries out measurement and analysis to the signal that receives.
The fixing plate 52 is provided with a pair of through holes 521; the fixing mechanism 53 includes a bolt 531 and a nut 532; the bolt 531 is inserted into the through hole 521, and the bolt 531 penetrates through the through hole 521; the nut 532 is sleeved on the outer side wall of the bolt 531, and the inner side wall of the nut 532 is in threaded fit connection with the outer side wall of the bolt 531; during operation, the clamping plate 51 is sleeved on the outer side wall of the fixed column 4, the bolt 531 penetrates through the through hole 521 in the fixed plate 52, the nut 532 outside the bolt 531 is rotated, the nut 532 is in threaded fit with the outer side wall of the bolt 531, and in the rotation process of the nut 532, the fixed plate 52 drives the clamping plate 51 to compress the side wall of the fixed column 4, so that the clamping plate 51 is stably clamped outside the fixed column 4, and the shell 1 is installed outside the fixed column 4.
An adjusting mechanism 6 is arranged inside the shell 1; the adjusting mechanism 6 comprises a screw rod 61, a rotating shaft 62 and a disc 63; the rotating shaft 62 is rotatably connected to the inner side wall of the shell 1, and a pair of first bevel gears 64 is fixedly connected to the outer side wall of the rotating shaft 62; the pair of screw rods 61 are rotatably connected to the inner side wall of the top end of the shell 1, the screw rods 61 penetrate through the sliding block 3, the screw rods 61 and the inner side wall of the sliding block 3 are connected through screw rod nut pairs, and the end parts of the screw rods 61 are fixedly connected with second bevel gears 65; the second bevel gear 65 meshes with the first bevel gear 64; the disc 63 is fixedly connected with the end part of the rotating shaft 62, and the disc 63 is positioned outside the shell 1; in operation, in order to make better received signal of broadband antenna body 2, need adjust the height of broadband antenna body 2, rotating disc 63, disc 63 drives pivot 62 and first bevel gear 64 and rotates, first bevel gear 64 and second bevel gear 65 mesh again, and then drive second bevel gear 65 and lead screw 61 and rotate, lead screw 61 is ball screw nut pair connection with 3 inside walls of slider, make slider 3 slide along the 11 inside walls of cavity in the lead screw 61 rotation process, and then make broadband antenna body 2 shift up, make better received signal of broadband antenna body 2.
The outer side wall of the shell 1 is provided with a threaded hole 12; the side wall of the disc 63 is provided with a thread through hole 631; a threaded rod 632 is rotatably connected in the threaded through hole 631; the threaded rod 632 is in threaded fit with the inner side wall of the threaded through hole 631, and the threaded rod 632 is in threaded fit with the inner side wall of the threaded hole 12; during operation, the height of the broadband antenna body 2 is adjusted, the threaded rod 632 on the disc 63 is rotated, so that the end of the threaded rod 632 enters the threaded hole 12, the disc 63 is clamped through the cooperation of the threaded rod 632 and the threaded hole 12, the disc 63 is prevented from rotating, and the stability of the broadband antenna body 2 at the top of the sliding block 3 is guaranteed.
A baffle 13 is fixedly connected to the outer side wall of the shell 1; the baffle 13 is positioned at the top of the fixed column 4, and a rubber pad 14 is fixedly connected to the bottom of the baffle 13; during operation, when casing 1 installed on fixed column 4 lateral wall, baffle 13 hangs and establishes at fixed column 4 top, and baffle 13 plays certain supporting role to casing 1 for casing 1's installation is more stable, and the rubber pad 14 of baffle 13 bottom has increased the frictional force between baffle 13 and fixed column 4, makes baffle 13's supporting effect better.
A rotating handle 66 is fixedly connected to the outer side wall of the disc 63; a limiting plate 15 is fixedly connected to the inner side wall of the shell 1; the screw rod 61 penetrates through the limiting plate 15; during operation, through set up rotation handle 66 on disc 63 lateral wall and make things convenient for the staff to grip rotation handle 66 and rotate disc 63, conveniently carry out the altitude mixture control work of broadband antenna body 2, limiting plate 15 plays limiting displacement to the position of slider 3, avoids slider 3 to produce the interference to the motion of second bevel gear 65.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, an anti-slip sleeve 661 is sleeved on an outer side wall of the rotation handle 66; when the hand-operated rotary handle is in use, the anti-slip sleeve 661 is sleeved on the outer side wall of the rotary handle 66 to increase the friction force of the hand holding part, so that the hand of the rotary handle 66 is not easy to slip, and the rotary handle 66 can be conveniently held by a worker to rotate.
The working principle is that when the broadband antenna is installed, the clamping plate 51 is sleeved on the outer side wall of the fixed column 4, the bolt 531 penetrates through the through hole 521 in the fixed plate 52, the nut 532 is sleeved on the bolt 531, the nut 532 is rotated, the nut 532 is in threaded fit with the outer side wall of the bolt 531, the fixed plate 52 drives the clamping plate 51 to tightly press the side wall of the fixed column 4 in the rotating process of the nut 532, the clamping plate 51 is stably clamped outside the fixed column 4, the shell 1 is kept stable on the side wall of the fixed column 4, the broadband antenna body 2 is arranged inside the shell 1, the broadband antenna body 2 is installed on the fixed column 4, the installation mode is simple and convenient, the installation and disassembly of the broadband antenna body 2 are convenient, the trouble of installation and fixation through a welding mode is avoided, the broadband antenna body 2 receives signals, and workers further measure and analyze the received signals, when the housing 1 is mounted on the outer side wall of the fixed column 4, the baffle 13 is hung on the top of the fixed column 4, the baffle 13 plays a certain supporting role for the housing 1, so that the mounting of the housing 1 is more stable, the rubber pad 14 at the bottom of the baffle 13 increases the friction force between the baffle 13 and the fixed column 4, so that the supporting effect of the baffle 13 is better, in order to better receive signals of the broadband antenna body 2, the height of the broadband antenna body 2 needs to be adjusted, the disc 63, the rotating shaft 62 and the first bevel gear 64 are driven to rotate by rotating the rotating handle 66, the first bevel gear 64 is meshed with the second bevel gear 65, so as to drive the second bevel gear 65 to rotate with the screw rod 61, the slide block 3 slides upwards along the inner side wall of the cavity 11 in the rotating process of the screw rod 61, so that the broadband antenna body 2 moves upwards, so as to better receive signals of the broadband antenna body 2, after adjusting the height of broadband antenna body 2, rotate threaded rod 632 for inside threaded rod 632 tip got into screw hole 12, avoid the disc 63 to revolve, guarantee the stability of the broadband antenna body 2 at slider 3 top, limiting plate 15 played limiting displacement to the position of slider 3, avoided slider 3 to produce the interference to the motion of second bevel gear 65, establish anti-skidding cover 661 through the cover on rotating handle 66 lateral wall and make and rotate handle 66 the difficult slip of people's hand when using.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a high accuracy broadband measuring device convenient to installation which characterized in that: the broadband antenna comprises a shell (1), a broadband antenna body (2), a sliding block (3), a fixing column (4) and a mounting assembly (5); a cavity (11) is arranged in the shell (1); the sliding block (3) is arranged in the cavity (11) and is in sliding fit with the inner side wall of the cavity (11); the broadband antenna body (2) is fixedly connected to the top of the sliding block (3), and the broadband antenna body (2) is in sliding fit with the inner side wall of the shell (1); the mounting component (5) is arranged outside the fixing column (4), and the mounting component (5) is fixedly connected with the outer side wall of the shell (1);
the mounting assembly (5) comprises a clamping plate (51), a fixing plate (52) and a fixing mechanism (53); the clamping plate (51) is sleeved on the outer side wall of the fixing column (4); the shell (1) is fixedly connected to the outer side wall of the clamping plate (51); the pair of fixing plates (52) are fixedly connected to the side walls of the end parts of the clamping plates (51); the fixing mechanism (53) is arranged on the fixing plate (52).
2. A high-precision broadband measuring device easy to install according to claim 1, characterized in that: a pair of through holes (521) are formed in the fixing plate (52); the fixing mechanism (53) comprises a bolt (531) and a nut (532); the bolts (531) are inserted into the through holes (521), and the bolts (531) penetrate through the through holes (521); the nut (532) is sleeved on the outer side wall of the bolt (531), and the inner side wall of the nut (532) is connected with the outer side wall of the bolt (531) in a threaded fit mode.
3. A high-precision broadband measuring device easy to install according to claim 2, characterized in that: an adjusting mechanism (6) is arranged in the shell (1); the adjusting mechanism (6) comprises a screw rod (61), a rotating shaft (62) and a disc (63); the rotating shaft (62) is rotatably connected to the inner side wall of the shell (1), and a pair of first bevel gears (64) is fixedly connected to the outer side wall of the rotating shaft (62); the pair of screw rods (61) is rotatably connected to the inner side wall of the top end of the shell (1), the screw rods (61) penetrate through the sliding block (3), the screw rods (61) are connected with the inner side wall of the sliding block (3) through screw rod nut pairs, and the end parts of the screw rods (61) are fixedly connected with second bevel gears (65); the second bevel gear (65) is meshed with the first bevel gear (64); the disc (63) is fixedly connected to the end of the rotating shaft (62), and the disc (63) is located outside the shell (1).
4. A high-precision broadband measuring device easy to install according to claim 3, wherein: the outer side wall of the shell (1) is provided with a threaded hole (12); the side wall of the disc (63) is provided with a threaded through hole (631); a threaded rod (632) is rotationally connected in the threaded through hole (631); threaded rod (632) and screw through hole (631) inside wall screw-thread fit, and threaded rod (632) and screw hole (12) inside wall screw-thread fit.
5. A high-precision broadband measuring device easy to install according to claim 4, wherein: a baffle (13) is fixedly connected to the outer side wall of the shell (1); the baffle (13) is positioned at the top of the fixing column (4), and a rubber pad (14) is fixedly connected to the bottom of the baffle (13).
6. A high-precision broadband measuring device easy to install according to claim 5, wherein: a rotating handle (66) is fixedly connected to the outer side wall of the disc (63); a limiting plate (15) is fixedly connected to the inner side wall of the shell (1); the screw rod (61) penetrates through the limiting plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314413.5U CN216086659U (en) | 2021-09-23 | 2021-09-23 | High-precision broadband measuring device convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314413.5U CN216086659U (en) | 2021-09-23 | 2021-09-23 | High-precision broadband measuring device convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216086659U true CN216086659U (en) | 2022-03-18 |
Family
ID=80678421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122314413.5U Active CN216086659U (en) | 2021-09-23 | 2021-09-23 | High-precision broadband measuring device convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216086659U (en) |
-
2021
- 2021-09-23 CN CN202122314413.5U patent/CN216086659U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214224101U (en) | Intelligent building glass curtain wall installation quality detection device | |
| CN109014322B (en) | Corner positioning device for drilling of inner wall of large pipeline | |
| CN216086659U (en) | High-precision broadband measuring device convenient to install | |
| CN212510303U (en) | Multifunctional geotechnical engineering monitoring device | |
| CN220437322U (en) | Coaxiality detection device for motor shaft production | |
| CN208420382U (en) | Automotive check auxiliary device | |
| CN212859263U (en) | Wireless teletransmission valve accuse water gauge assembly quality | |
| CN113203004B (en) | But multi-angle adjustment's noise detection device for mechanical processing factory | |
| CN211779801U (en) | Mounting structure of magnetic sensor for measuring equipment rotating speed based on earth magnetic field | |
| CN211953913U (en) | Engineering construction uses multi-functional angle measurement device | |
| CN212338836U (en) | Blasting vibration sensor fixing device | |
| CN210600793U (en) | On-spot mapping device of building engineering cost | |
| CN207850841U (en) | Strength of gear teeth detecting tool | |
| CN219639912U (en) | Cantilever support of adjustable direction | |
| CN210833493U (en) | Portable coating thickness gauge | |
| CN216448854U (en) | Be used for building structure displacement testing arrangement | |
| CN214149382U (en) | Civil engineering is with portable measuring apparatu strutting arrangement | |
| CN215893643U (en) | Transition plate suitable for encoder installation | |
| CN220304517U (en) | Novel flange surface roughness appearance | |
| CN210312827U (en) | Adhesive tape machine | |
| CN213930011U (en) | Mechanical device for mounting acoustic transducer | |
| CN219775236U (en) | Auxiliary device | |
| CN220288559U (en) | Articulated arm measuring instrument | |
| CN220251419U (en) | Water quality sampling device | |
| CN209230775U (en) | A kind of fixed bracket of sound level meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-precision broadband measurement device that is easy to install Granted publication date: 20220318 Pledgee: Bank of Nanjing Jiangbei District branch of Limited by Share Ltd. Pledgor: Nanjing Yuehuang Intelligent Technology Co.,Ltd. Registration number: Y2024980017812 |