CN113848082B - Seat shaking amount detection equipment - Google Patents
Seat shaking amount detection equipment Download PDFInfo
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- CN113848082B CN113848082B CN202111437918.9A CN202111437918A CN113848082B CN 113848082 B CN113848082 B CN 113848082B CN 202111437918 A CN202111437918 A CN 202111437918A CN 113848082 B CN113848082 B CN 113848082B
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 239000003638 chemical reducing agent Substances 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/001—Testing of furniture, e.g. seats or mattresses
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The invention relates to a seat shaking amount detection device, and aims to solve the problems that the existing seat shaking amount detection device cannot be suitable for online detection, cannot be adjusted at multiple positions and multiple angles, is single in detection, cannot be used for mixed detection of driving and driving, and is low in detection efficiency. The tray anti-rotation device comprises a tray anti-rotation mechanism, a loading upright post assembly, a horizontal adjusting assembly, a lifting adjusting assembly, a loading assembly and an electric control assembly; the horizontal adjusting component is installed on the loading upright post component, the lifting adjusting component is installed on the moving end of the horizontal adjusting component, the loading component is installed on the moving end of the lifting adjusting component, the tray anti-rotating mechanism is arranged below the loading component, and the electric control component is connected with the tray anti-rotating mechanism, the horizontal adjusting component, the lifting adjusting component and the loading component respectively. The invention belongs to the technical field of seat detection.
Description
Technical Field
The invention relates to seat detection equipment, in particular to seat shaking amount detection equipment, and belongs to the technical field of seat detection.
Background
A chair shaking amount detection device on a production line is a device for detecting chairs of different specifications and models on the production line. The existing detection equipment cannot adapt to online detection, only can be manually measured, cannot be adjusted in multiple positions and multiple angles, is single in detection, has errors in manual test reading and recording test data, is poor in stability and the like, cannot be used for mixed detection of primary and secondary drives, and is low in detection efficiency. Therefore, it is necessary to develop a device for detecting the shaking amount of the seat on the production line, so as to solve the technical problem.
Disclosure of Invention
The invention aims to solve the defects that the existing seat shaking amount detection equipment cannot adapt to online detection, cannot be adjusted in multiple positions and multiple angles, is single in detection, cannot be used for driving and driving mixed detection and is low in detection efficiency. Further provides a seat sway quantity detection device.
The technical problem is solved by the following scheme:
the tray anti-rotation device comprises a tray anti-rotation mechanism, a loading upright post assembly, a horizontal adjusting assembly, a lifting adjusting assembly, a loading assembly and an electric control assembly; the horizontal adjusting assembly is installed on the loading stand column assembly, the lifting adjusting assembly is installed on the moving end of the horizontal adjusting assembly, the loading assembly is installed on the moving end of the lifting adjusting assembly, the tray anti-rotation mechanism is arranged below the loading assembly, and the electric control assembly is connected with the tray anti-rotation mechanism, the horizontal adjusting assembly, the lifting adjusting assembly and the loading assembly respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the bearing parameter is automatically detected through the matching of the speed reducer of the servo motor, the transmission mechanism and the actuating mechanism, the motor adopts the servo motor, stepless speed regulation can be realized, the rotating speed can be regulated according to the requirement, the servo control is precisely regulated, manual intervention can be realized, full-automatic test can also be carried out, and the detection efficiency is improved.
2. The invention can independently detect the primary and secondary drives through system selection and can also detect the primary and secondary drives in a mixed manner.
3. The invention is suitable for detecting various seats through manual intervention and allocation.
4. The invention is suitable for online seat detection equipment.
5. The clamp 5-5 corresponding to the clamp is replaced to clamp and fix seats of different models and different positions of the seats, so that detection can be performed, mixed detection of driving of a driver and a passenger can be achieved, multi-angle detection of the same seat is achieved, and the detection range of the seat shaking amount is enlarged.
6. According to the invention, the force value change of the backrest of the seat in the shaking process of the seat can be accurately measured by the sensor of the frame body 5-4 with the sensor.
7. The invention prevents the error caused by the seat deflection caused by the instability of the tray from occurring through the tray rotation-preventing mechanism 1.
8. This equipment is automatic check out test set, accomplishes the seat location automatically according to the procedure setting, and frock clamp fixes a position, and the power value automatic measurement, functions such as test data automatic display and save, the test is stable swift, and is efficient. Aiming at production requirements and function debugging, the primary and secondary driving seats can be independently detected, and primary and secondary driving mixed detection can be performed according to requirements.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic structural view of the tray rotation preventing mechanism 1.
Fig. 3 is a schematic structural view of the loading column assembly 2.
FIG. 4 is a schematic diagram of the positions of the servo motor reducer A3-1, the module A3-2 and the linear slide member A3-3.
Fig. 5 is a schematic structural view of the elevation adjustment assembly 4.
Fig. 6 is a schematic structural diagram of the loading unit 5.
Detailed Description
The first specific implementation way is as follows: the embodiment is described with reference to fig. 1 to 6, and the seat sway quantity detection equipment comprises a tray rotation prevention mechanism 1, a loading upright post assembly 2, a horizontal adjustment assembly 3, a lifting adjustment assembly 4, a loading assembly 5 and an electric control assembly 6; horizontal adjustment subassembly 3 is installed on loading stand subassembly 2, and lift adjustment subassembly 4 is installed and is served at the removal of horizontal adjustment subassembly 3, and loading subassembly 5 is installed and is served at the removal of lift adjustment subassembly 4, and the tray prevents that favourable turn 1 constructs and set up in loading subassembly 5 below, and automatically controlled subassembly 6 prevents favourable turn 1, horizontal adjustment subassembly 3, lift adjustment subassembly 4 and loading subassembly 5 with the tray respectively and is connected.
The electric control component 6 is a stratospheric controller produced by Shanghaineitis automation equipment Limited.
The second embodiment is as follows: referring to fig. 1, the embodiment is described, and in the seat sway quantity detection apparatus according to the embodiment, the electric control assembly 6 is fixedly mounted on the loading column assembly 2, and other components and connection manners are the same as those of the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1-2, and in the seat sway quantity detection apparatus of the embodiment, a tray anti-rotation mechanism 1 includes a frame 1-1, a push-pull cylinder 1-3, a tooling block assembly 1-4, a cylinder support 1-5 and two guide bars 1-2; the two guide bars 1-2 are oppositely arranged on two sides of the push-pull cylinder 1-3 in parallel, a shell of the push-pull cylinder 1-3 and a cylinder support 1-5 are installed on the top end of the frame 1-1, the two guide bars 1-2 are inserted into the cylinder support 1-5 in a sliding mode, one end of each guide bar 1-2 is fixedly connected with the tooling block assembly 1-4, and the extending end of a piston of the push-pull cylinder 1-3 penetrates through the cylinder support 1-5 to be fixedly connected with the tooling block assembly 1-4. The frame 1-1 is fixed at a pointing placing position through a footing expansion screw, the tool block assembly 1-4 comprises a tool plate and a plurality of rubber blocks, the plurality of rubber blocks are installed on the tool plate, and the push-pull air cylinder 1-3 drives the tool plate to enable the rubber blocks on the tool plate to be propped against a transport turntable of a production line placing seat when extending out, so that the transport turntable is prevented from moving or rotating. Other components and connection modes are the same as those of the first embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 and 3, and the seat sway quantity detection apparatus according to the embodiment includes a loading column assembly 2 including a profile support leg 2-1, a frame body 2-2 and a mounting plate 2-3; the section bar support leg 2-1 is arranged at the bottom end of the frame body 2-2, and the mounting plate 2-3 is arranged at one side of the frame body 2-2 close to the top end. The frame body 2-2 is fixed through the section bar support legs 2-1. Other components and connection modes are the same as those of the first embodiment.
The fifth concrete implementation mode is as follows: the embodiment is described with reference to fig. 1 and 4, and the seat sway quantity detection device according to the embodiment includes a horizontal adjustment assembly 3 including a servo motor reducer A3-1, a module A3-2 and a linear slide rail member A3-3, the module A3-2 including a lead screw a, a slide block a with a nut and a slide rail a with a slide groove; the linear slide rail piece A3-3 comprises a linear slide rail A and a slide block A; a servo motor reducer A3-1 is installed on a module A3-2, the module A3-2 and a linear slide rail component A3-3 are installed on a loading upright post component 2 in a relatively parallel mode, the output end of a rotating shaft of the servo motor reducer A3-1 is fixedly connected with one end of a lead screw A, a slide block A with a nut is sleeved on the lead screw A, the nut of the slide block A with the nut is in threaded connection with the lead screw A, a slide block A with a nut is arranged in a slide rail A with a slide groove, the slide block A with the nut is arranged in a sliding mode in a slide rail A with the slide groove, the slide block A is arranged on the linear slide rail A in a sliding mode, and the slide rail A with the slide groove is arranged in a parallel mode with the linear slide rail A. Other components and connection modes are the same as those of the first embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 and 5, and the lifting adjusting component 4 of the seat sway quantity detecting equipment of the embodiment comprises a servo motor reducer B4-1, a module B4-2, a linear sliding rail component B4-3, a connecting plate 4-4 and an electric cylinder connecting frame 4-5; the module B4-2 comprises a lead screw B, a slide block B with a nut and a slide rail B with a sliding chute; the linear slide rail B4-3 comprises a linear slide rail B and a slide block B; the servo motor reducer B4-1 is installed on the module B4-2, the module B4-2 and the linear slide rail component B4-3 are installed on the connecting plate 4-4 in a relative parallel mode, the output end of a rotating shaft of the servo motor reducer B4-1 is fixedly connected with one end of a lead screw B, a slide block B with a nut is sleeved on the lead screw B, the nut of the slide block B with the nut is in threaded connection with the lead screw B, a slide block B with a nut is arranged in a slide rail B with a slide groove, the slide block B with the nut is arranged in a sliding mode in the slide rail B with the slide groove, the slide block B is arranged on the linear slide rail B in a sliding mode, the slide rail B with the slide groove is arranged in a parallel mode with the linear slide rail B, and an electric cylinder connecting frame 4-5 is fixedly installed on the slide block B with the nut and the slide block B. Other components and connection modes are the same as those of the first embodiment.
The seventh concrete implementation mode: the embodiment is described with reference to fig. 1 and 6, and the loading assembly 5 of the embodiment comprises an electric cylinder 5-1, a guide frame 5-2, a frame body 5-4 with a sensor, a clamp 5-5 and two guide shafts 5-3; the guide frame 5-2 is installed on a shell of the electric cylinder 5-1, one end of a frame body 5-4 with a sensor is fixedly connected with the clamp 5-5, the two guide shafts 5-3 are inserted on the guide frame 5-2 in a sliding mode, one end of each guide shaft 5-3 penetrates through one end of the frame body 5-4 with the sensor and is fixedly connected with one end of the clamp 5-5, two symmetrical pin shafts are installed on the outer portion of the guide frame 5-2, and the guide frame 5-2 is rotatably connected to the lifting adjusting assembly 4 through the two pin shafts. Other components and connection modes are the same as those of the first embodiment.
The specific implementation mode is eight: referring to fig. 1 and 6, the embodiment is described, and the frame body 5-4 with the sensor comprises the sensor and two fixed end plates, the two fixed end plates are arranged in parallel, the sensor is arranged between the two fixed end plates, each end of the sensor is fixedly connected with one fixed end plate, one fixed end plate is fixedly connected with one end of the clamp 5-5, and the two guide shafts 5-3 penetrate through the other fixed end plate and are fixedly connected with the fixed end plate of the clamp 5-5. Other components and connection modes are the same as those of the first embodiment.
The specific implementation method nine: the embodiment is described with reference to fig. 1-6, in the embodiment, a module A3-2 and a linear slide rail member A3-3 are arranged in parallel relatively and mounted on a mounting plate 2-3, a connecting plate 4-4 is fixedly mounted on a slide block a with a nut and the slide block a, two pin shafts of a guide frame 5-2 are inserted on an electric cylinder connecting frame 4-5, the guide frame 5-2 is rotatably connected with the electric cylinder connecting frame 4-5, a push-pull air cylinder 1-3, a servo motor reducer A3-1, a servo motor reducer B4-1, an electric cylinder 5-1 and a frame body 5-4 with a sensor are all connected with an electric control assembly 6, and the electric control assembly 6 controls the push-pull air cylinder 1-3, the servo motor reducer A3-1, the servo motor reducer B4-1 and the electric cylinder 5-1 to work. The sensors of the frame body 5-4 with the sensors feed measured information back to the electronic control component 6 through lines and record the information. Other components and connection modes are the same as those of the first embodiment.
The detailed implementation mode is ten: the embodiment is described with reference to fig. 1, the seat sway quantity detection device of the embodiment further comprises a plurality of drag chains, the electric control assembly 6, the servo motor reducer A3-1, the servo motor reducer B4-1 and the electric cylinder 5-1 are all arranged in the drag chains, a control line of the electric control assembly 6 is wrapped and protected by the drag chains, the control line is prevented from interfering with the operation of the device or being damaged, and other components and connection modes are the same as those of the specific embodiment.
Principle of operation
The detection equipment is arranged close to a production line, a frame body 2-2 is fixed near the production line through a profile support leg 2-1, a frame 1-1 is fixed close to the frame body 2-2 through a footing expansion screw, the frame 1-1 is located between the frame body 2-2 and the production line, a clamp 5-5 corresponding to a clamping seat is selected, the clamp 5-5 is fixedly installed on the frame body 5-4 with a sensor, a push-pull air cylinder 1-3 is controlled through an electric control assembly 6 to drive a tool block assembly 1-4, a rubber block of the tool block assembly 1-4 abuts against a transport turntable of a seat placed on the production line to prevent the cloud turntable from moving or rotating, a servo motor reducer A3-1 is controlled through the electric control assembly 6 to work to drive a lifting adjusting assembly 4 to move in the horizontal direction, the servo motor reducer B4-1 is controlled through the electric control assembly 6 to drive a loading assembly 5 to move in the vertical direction, the electric control assembly 6 controls the electric cylinder 5-1 and clamps the seat to be detected on the production line through the clamp 5-5, the electric cylinder 5-1 is controlled to shake, the frame body 5 with the sensor, and the frame body is shaken to obtain shaking data, and detection data of the frame body is obtained through the sensor.
Claims (5)
1. The utility model provides a seat rocks volume check out test set which characterized in that: the anti-rotation tray comprises a tray anti-rotation mechanism (1), a loading upright post assembly (2), a horizontal adjusting assembly (3), a lifting adjusting assembly (4), a loading assembly (5) and an electric control assembly (6); the horizontal adjusting component (3) is installed on the loading upright post component (2), the lifting adjusting component (4) is installed on the moving end of the horizontal adjusting component (3), the loading component (5) is installed on the moving end of the lifting adjusting component (4), the tray anti-rotation mechanism (1) is arranged below the loading component (5), and the electric control component (6) is respectively connected with the tray anti-rotation mechanism (1), the horizontal adjusting component (3), the lifting adjusting component (4) and the loading component (5);
the tray anti-rotation mechanism (1) comprises a frame (1-1), a push-pull cylinder (1-3), a tooling block assembly (1-4), a cylinder support (1-5) and two guide bars (1-2); the two guide bars (1-2) are arranged on two sides of the push-pull cylinder (1-3) in a relatively parallel mode, a shell of the push-pull cylinder (1-3) and a cylinder support (1-5) are installed on the top end of the frame (1-1), the two guide bars (1-2) are inserted in the cylinder support (1-5) in a sliding mode, one end of each guide bar (1-2) is fixedly connected with a tooling block assembly (1-4), the extending end of a piston of the push-pull cylinder (1-3) penetrates through the cylinder support (1-5) and is fixedly connected with the tooling block assembly (1-4), and the loading upright post assembly (2) comprises a profile support leg (2-1), a frame body (2-2) and a mounting plate (2-3); the section bar supporting foot (2-1) is installed at the bottom end of the frame body (2-2), the installation plate (2-3) is installed at one side, close to the top end, of the frame body (2-2), the detection equipment is arranged close to the production line, the frame body (2-2) is fixed near the production line through the section bar supporting foot (2-1), the frame (1-1) is fixed close to the frame body (2-2) through a footing expansion screw, the frame (1-1) is located between the frame body (2-2) and the production line, the push-pull air cylinder (1-3) is controlled through the electric control assembly (6) to drive the tool block assembly (1-4), and a rubber block of the tool block assembly (1-4) abuts against a transport turntable of a seat placed on the production line, so that the transport turntable is prevented from moving or rotating;
the loading assembly (5) comprises an electric cylinder (5-1), a guide rack (5-2), a frame body (5-4) with a sensor, a clamp (5-5) and two guide shafts (5-3), the guide rack (5-2) is installed on a shell of the electric cylinder (5-1), the two guide shafts (5-3) are inserted on the guide rack (5-2) in a sliding mode, two symmetrical pin shafts are installed on the outer portion of the guide rack (5-2), the guide rack (5-2) is connected to the lifting adjusting assembly (4) in a single-point rotating mode through the two pin shafts, the frame body (5-4) with the sensor comprises the sensor and two fixed end plates, the two fixed end plates are arranged in parallel relatively, the sensor is arranged between the two fixed end plates, each end of the sensor is fixedly connected with one fixed end plate, one fixed end plate is fixedly connected with one end of the clamp (5-5), and the two guide shafts (5-3) penetrate through the other fixed end plate and are fixedly connected with the fixed end plate of the clamp (5-5).
2. The seat shake amount detection apparatus according to claim 1, wherein: the electric control assembly (6) is fixedly arranged on the loading upright post assembly (2).
3. The seat shake amount detection apparatus according to claim 1, wherein: the horizontal adjusting assembly (3) comprises a servo motor reducer A (3-1), a module A (3-2) and a linear sliding rail piece A (3-3), wherein the module A (3-2) comprises a lead screw A, a sliding block A with a nut and a sliding rail A with a sliding groove; the linear slide rail piece A (3-3) comprises a linear slide rail A and a slide block A; a servo motor reducer A (3-1) is installed on a module A (3-2), the module A (3-2) and a linear sliding rail piece A (3-3) are installed on a loading upright post assembly (2) in a relatively parallel mode, the output end of a rotating shaft of the servo motor reducer A (3-1) is fixedly connected with one end of a lead screw A, a sliding block A with a nut is sleeved on the lead screw A, the nut of the sliding block A with the nut is in threaded connection with the lead screw A, a sliding block A with the nut is arranged in a sliding rail A with a sliding groove, the sliding block A with the nut is arranged in the sliding rail A with the sliding groove in a sliding mode, the sliding block A is arranged on the linear sliding rail A in a sliding mode, and the sliding rail A with the sliding groove is arranged in a parallel mode with the linear sliding rail A.
4. The seat shake amount detection apparatus according to claim 1, wherein: the lifting adjusting assembly (4) comprises a servo motor reducer B (4-1), a module B (4-2), a linear sliding rail piece B (4-3), a connecting plate (4-4) and an electric cylinder connecting frame (4-5); the module B (4-2) comprises a screw B, a slide block B with a nut and a slide rail B with a slide groove; the linear slide rail B (4-3) comprises a linear slide rail B and a slide block B; a servo motor reducer B (4-1) is installed on a module B (4-2), the module B (4-2) and a linear sliding rail piece B (4-3) are installed on a connecting plate (4-4) in a relatively parallel mode, the output end of a rotating shaft of the servo motor reducer B (4-1) is fixedly connected with one end of a lead screw B, a sliding block B with a nut is sleeved on the lead screw B, the nut of the sliding block B with the nut is connected with the lead screw B in a threaded mode, a sliding block B with the nut is arranged in a sliding rail B with a sliding groove, the sliding block B with the nut is arranged in the sliding rail B with the sliding groove in a sliding mode, the sliding block B is arranged on the linear sliding rail B in a sliding mode, the sliding rail B with the sliding groove is arranged in parallel to the linear sliding rail B, and an electric cylinder connecting frame (4-5) is fixedly installed on the sliding block B with the nut and the sliding block B.
5. The seat shake amount detection apparatus according to claim 1, 2, 3, or 4, wherein: the module A (3-2) and the linear slide rail component A (3-3) are arranged on the mounting plate (2-3) in a relatively parallel mode, the connecting plate (4-4) is fixedly installed on the slide block A with the screw nut and the slide block A, two pin shafts of the guide rack (5-2) are inserted into the electric cylinder connecting frame (4-5), the guide rack (5-2) is rotatably connected with the electric cylinder connecting frame (4-5), the push-pull air cylinder (1-3), the servo motor reducer A (3-1), the servo motor reducer B (4-1), the electric cylinder (5-1) and the sensor of the rack body (5-4) with the sensor are connected with the electric control component (6), and the electric control component (6) controls the push-pull air cylinder (1-3), the servo motor reducer A (3-1), the servo motor reducer B (4-1) and the electric cylinder (5-1) to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437918.9A CN113848082B (en) | 2021-11-30 | 2021-11-30 | Seat shaking amount detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437918.9A CN113848082B (en) | 2021-11-30 | 2021-11-30 | Seat shaking amount detection equipment |
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| Publication Number | Publication Date |
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| CN113848082A CN113848082A (en) | 2021-12-28 |
| CN113848082B true CN113848082B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111437918.9A Active CN113848082B (en) | 2021-11-30 | 2021-11-30 | Seat shaking amount detection equipment |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203337389U (en) * | 2013-06-03 | 2013-12-11 | 上海延锋江森座椅有限公司 | Automobile seat backrest overturn endurance test bench |
| CN103671660A (en) * | 2013-11-18 | 2014-03-26 | 无锡市正阳机械有限公司 | Rotation fixing device |
| CN105181564B (en) * | 2015-08-25 | 2018-05-04 | 富卓汽车内饰（安徽）有限公司 | Automotive seat quality detection device |
| CN205138796U (en) * | 2015-09-30 | 2016-04-06 | 重庆延锋江森汽车部件系统有限公司 | Detection apparatus for can detect car seat back both sides simultaneously |
| CN105806630A (en) * | 2016-04-01 | 2016-07-27 | 哈尔滨三迪工控工程有限公司 | Automobile seat vertical loading testing machine |
| CN210375732U (en) * | 2019-07-25 | 2020-04-21 | 上汽通用五菱汽车股份有限公司 | Automobile seat endurance test detection device |
| CN110966909A (en) * | 2019-12-23 | 2020-04-07 | 奇瑞商用车（安徽）有限公司 | Gap testing device and method for automobile seat framework assembly |
| CN212007830U (en) * | 2020-06-03 | 2020-11-24 | 吉林省赫铭精密技术有限公司 | Car seat check out test set |
| CN214040561U (en) * | 2020-12-17 | 2021-08-24 | 武汉信测标准技术服务有限公司 | Device for testing shaking noise of seat |
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2021
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Denomination of invention: A seat sway detection device Granted publication date: 20221025 Pledgee: Bank of Nanjing Co.,Ltd. Changzhou Branch Pledgor: Sandi (Changzhou) Intelligent Equipment Co.,Ltd. Registration number: Y2024980004834 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20221025 Pledgee: Bank of Nanjing Co.,Ltd. Changzhou Branch Pledgor: Sandi (Changzhou) Intelligent Equipment Co.,Ltd. Registration number: Y2024980004834 |