CN117606836A - Projection support table performance detection device - Google Patents
Projection support table performance detection device Download PDFInfo
- Publication number
- CN117606836A CN117606836A CN202311565662.9A CN202311565662A CN117606836A CN 117606836 A CN117606836 A CN 117606836A CN 202311565662 A CN202311565662 A CN 202311565662A CN 117606836 A CN117606836 A CN 117606836A
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- rotating
- seat
- fixedly connected
- pressing plate
- frame
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000011056 performance test Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- 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
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of projection support platforms, in particular to a projection support platform performance detection device which comprises a base, a rotating plate and a pressing plate, wherein the rotating plate is rotationally connected to the upper surface of the base, the pressing plate is in sliding connection with the rotating plate, a pressure mechanism is arranged on the pressing plate and is used for testing the strength of baffle rods on two sides of the projection support platform, load bearing capacity detection assemblies of the projection support platform are arranged on the left side and the right side of the pressing plate, impact assemblies are arranged on the pressing plate, the surface of the base is provided with the rotating assembly which is used for adjusting the inclination angle of the projection support platform and testing the load bearing capacity of the projection support platform under different inclination angles.
Description
Technical Field
The invention relates to the technical field of projection support platforms, in particular to a projection support platform performance detection device.
Background
The projection support table is used for placing the projector, and compared with a fixed projector installation mode, the projection support table has the advantages of convenience in movement, small occupied area, convenience in installation and the like.
The projector support table is required to be subjected to multiple mechanical performance tests before leaving the factory, including load bearing capacity tests, inclination angle adjusting performance tests, baffle strength tests and the like, most of the existing performance test devices are used for testing the above performances separately, namely, the existing performance test devices are used for testing the projector support table through a plurality of test devices, so that more time is required for completing the tests, and in addition, after the projector support table is fixed by an independent fixing device, the projector support table can be detected through the test devices, otherwise, the projector support table can be moved during the detection, so that the test accuracy is affected.
Disclosure of Invention
Aiming at the technical problems existing in the application of the existing projection support performance detection device, the invention provides the projection support performance detection device.
The utility model provides a projection support platform performance detection device, includes base, pivoted board and clamp plate, pivoted board rotates the upper surface of connecting at the base, clamp plate and pivoted board sliding connection.
The pressing plate is provided with a pressing mechanism, the pressing mechanism is used for testing the strength of the baffle rods at two sides of the projection support table, the left side and the right side of the pressing plate are provided with projection support table load bearing capacity detection assemblies, and the pressing plate is provided with an impact assembly.
The surface of base is provided with the rotating assembly, the rotating assembly is used for adjusting the inclination of projection stand, tests the load bearing capacity of projection stand under different inclination.
The pressing mechanism comprises a press machine, a movable frame, a first fixed rail, a connecting rod and a synchronous component, wherein the press machine is arranged on the upper surface of a pressing plate, the telescopic end of the press machine is fixedly connected with the movable frame, the first fixed rail is fixedly connected with the front surface and the rear surface of the pressing plate, the movable frame is slidably connected with the first fixed rail, the connecting rod is fixedly connected with the front end and the rear end of the movable frame, and the connecting rod is connected with the synchronous component.
Further, the synchronization assembly sets up the left and right sides at the clamp plate, the synchronization assembly includes set square, chute, linking frame, synchronizing frame and first spring, linking frame sliding connection is at the upper surface of clamp plate, set square fixed connection is in the front and back both sides of linking frame, the hypotenuse at the set square is seted up to the chute, linking rod sliding connection is in the chute, synchronizing frame fixed connection is on the surface of linking frame, the movable groove has been seted up to the upper surface of clamp plate, first spring setting is in the movable groove, linking frame and first spring fixed connection.
Further, the impact assembly comprises a fixed frame, a rotating seat, a fixed rod, a double-shaft motor, an eccentric wheel, a connecting assembly and a second spring, wherein the fixed frame is fixedly connected to the upper surface of the pressing plate, the top of the fixed frame is fixedly connected with the rotating seat, the fixed rod is rotationally connected in the rotating seat, the fixed rod is far away from one end of the rotating seat and the double-shaft motor and is fixedly connected with the output end of the double-shaft motor and the eccentric wheel, one end of the second spring is connected with the side wall of the double-shaft motor through the connecting assembly, and the other end of the second spring is connected with the pressing plate through the connecting assembly.
Further, the connecting assembly is composed of a connecting seat and a rotating block, the connecting seat is respectively and fixedly connected to the side wall of the double-shaft motor and the inner wall of the pressing plate, and the rotating block is rotationally connected in the connecting seat.
Further, the rotating assembly comprises a motor, a screw rod, a sliding plate, a moving seat, a rotating rod and a second fixed rail, wherein the motor is arranged on the upper surface of the base, the output end of the motor is fixedly connected with the screw rod, the second fixed rail is fixedly connected to the base, the moving seat is slidably connected to the second fixed rail, the second fixed rail is provided with two symmetrical centers and is symmetrical to the base, the sliding plate is fixedly connected between the moving seats, the screw rod is in threaded connection with the sliding plate, one end of the rotating rod is rotationally connected to the moving seat, and the other end of the rotating rod is rotationally connected with the rotating plate.
Further, the load bearing capacity detection assembly is composed of a second hydraulic cylinder, an L-shaped seat and a limiting rail, wherein the L-shaped seat is fixedly connected to the left side and the right side of the rotating plate, the second hydraulic cylinder is installed at the top of the L-shaped seat, and the telescopic end of the second hydraulic cylinder is fixedly connected with the pressing plate.
Further, both ends fixedly connected with fixing base about the base, the rotor plate is provided with two, two the rotor plate passes through connecting rod fixed connection, the both ends and the fixing base of connecting rod rotate to be connected, the top of base is provided with places the seat, place the seat and pass through fixed connection on the stand on the base and connect.
The invention has the beneficial effects that: 1. when carrying out performance detection to projection support platform, the cooperation of the pivoted plate and the clamp plate of setting can accomplish to carry out spacingly to projection support platform, namely projection support platform sets up between pivoted plate and clamp plate, can carry out intensity test to the shelves pole of projection support platform both sides through the pressure mechanism that sets up on the clamp plate simultaneously, clamp plate and load bearing capacity detection subassembly cooperation simultaneously can carry out load bearing capacity detection to projection support platform surface to realize detecting the projection support is diversified through pressure mechanism, clamp plate and load bearing capacity detection subassembly cooperation, realized the multi-purpose efficiency of a machine.
2. The impact assembly that sets up can detect out the shock resistance on projection stand surface to simulate out the atress condition of projection stand when suffering the object striking, realize through fixed frame, rotation seat, connecting rod, biax motor, eccentric wheel, coupling assembling and the cooperation of second spring that sets up, the eccentric wheel is vibrating about the effect of second spring and connecting rod, thereby realize the incessant impact to projection stand, and impact assembly and pressure mechanism can test projection stand simultaneously.
3. The rotating assembly that sets up is used for adjusting the inclination of projection stand to test projection stand's inclination governing system, ensure that it can steadily, reliably adjust projection angle, adjust projection stand inclination through the rotational speed of the motor that sets up, can adjust projection stand inclination with different regulation speeds, thereby observe whether projection stand is smooth when adjusting inclination, can also adjust projection stand to different angles through rotating assembly's effect, thereby test out projection stand's limit inclination.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of another view of the present invention.
FIG. 3 is a schematic side cross-sectional view of the present invention.
FIG. 4 is a schematic view of an impact assembly according to the present invention.
FIG. 5 is a schematic view of a pressure mechanism according to the present invention.
FIG. 6 is a schematic view of a rotating assembly according to the present invention.
Fig. 7 is a schematic view of a projection stand.
Reference numerals: 1. a base; 2. a rotating plate; 3. a pressing plate; 4. a pressing mechanism; 401. a press; 402. a moving rack; 403. a first fixed rail; 404. a connecting rod; 405. a triangle; 406. a chute; 407. a connection frame; 408. a synchronization frame; 409. a first spring; 5. an impact assembly; 501. a fixed frame; 502. a rotating seat; 503. a fixed rod; 504. a biaxial motor; 505. an eccentric wheel; 506. a second spring; 507. a connecting seat; 508. a rotating block; 6. a rotating assembly; 601. a motor; 602. a screw rod; 603. a slide plate; 604. a movable seat; 605. a rotating lever; 606. a second fixed rail; 7. a second hydraulic cylinder; 8. an L-shaped seat; 9. a connecting rod; 10. a fixing seat; 11. a limit rail; 12. and (5) placing a seat.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1, 3 and 5, a projection bracket table performance detection device comprises a base 1, a rotating plate 2 and a pressing plate 3, wherein the rotating plate 2 is rotatably connected to the upper surface of the base 1, and the pressing plate 3 is slidably connected with the rotating plate 2.
The pressing plate 3 is provided with a pressing mechanism 4, the pressing mechanism 4 is used for testing the strength of the baffle rods at two sides of the projection support table, the left side and the right side of the pressing plate 3 are provided with projection support table load bearing capacity detection assemblies, and the pressing plate 3 is provided with an impact assembly 5.
The surface of base 1 is provided with rotating assembly 6, rotating assembly 6 is used for adjusting the inclination of projection stand, tests the load bearing ability of projection stand under different inclination.
The pressing mechanism 4 comprises a pressing machine 401, a moving frame 402, a first fixed rail 403, a connecting rod 404 and a synchronous component, wherein the pressing machine 401 is arranged on the upper surface of the pressing plate 3, the telescopic end of the pressing machine 401 is fixedly connected with the moving frame 402, the first fixed rail 403 is fixedly connected to the front surface and the rear surface of the pressing plate 3, the moving frame 402 is slidably connected with the first fixed rail 403, the connecting rod 404 is fixedly connected to the front end and the rear end of the moving frame 402, and the connecting rod 404 is connected with the synchronous component.
When carrying out the performance detection to projection support platform, can carry out intensity test to the shelves pole of projection support platform both sides through the push mechanism 4 that sets up on the clamp plate 3, clamp plate 3 and load bearing capacity detection subassembly cooperation simultaneously can carry out load bearing capacity detection to projection support platform surface to realize detecting the projection support is diversified through push mechanism 4, clamp plate 3 and load bearing capacity detection subassembly cooperation, realized the multi-purpose efficiency of a tractor serves several purposes.
As shown in fig. 4, the synchronization component is disposed on the left and right sides of the pressing plate 3, and the synchronization component includes a triangle 405, a chute 406, a connection frame 407, a synchronization frame 408, and a first spring 409, where the connection frame 407 is slidably connected to the upper surface of the pressing plate 3, the triangle 405 is fixedly connected to the front and rear sides of the connection frame 407, the chute 406 is disposed on the oblique side of the triangle 405, the connection rod 404 is slidably connected in the chute 406, the synchronization frame 408 is fixedly connected to the surface of the connection frame 407, a movable groove is disposed on the upper surface of the pressing plate 3, and the first spring 409 is disposed in the movable groove, and the connection frame 407 is fixedly connected to the first spring 409.
The synchronous mechanism can realize that the baffles on two sides of the projection bracket can be subjected to intensity detection simultaneously, the working flow of the pressing mechanism 4 is that the pressing mechanism 401 is started firstly, the pressing mechanism 401 drives the movable frame 402 to move, the movable frame 402 drives the connecting rod 404 fixedly connected with the movable frame 404 to synchronously move, the connecting rod 404 slides in the chute 406 and pushes the triangle 405, the connecting frame 407 and the synchronous frame 408 to synchronously move until the synchronous frame 408 pushes the baffle rod on the projection bracket, and the intensity detection of the baffle rod is realized by observing the numerical value on the pressing mechanism 401.
As shown in fig. 4, the impact assembly 5 includes a fixed frame 501, a rotating base 502, a fixed rod 503, a dual-shaft motor 504, an eccentric wheel 505, a connecting assembly and a second spring 506, the fixed frame 501 is fixedly connected to the upper surface of the pressing plate 3, the top of the fixed frame 501 is fixedly connected with the rotating base 502, the fixed rod 503 is rotationally connected in the rotating base 502, one end of the fixed rod 503 far away from the rotating base 502 is fixedly connected with the dual-shaft motor 504, the output end of the dual-shaft motor 504 is fixedly connected with the eccentric wheel 505, one end of the second spring 506 is connected with the side wall of the dual-shaft motor 504 through the connecting assembly, and the other end of the second spring 506 is connected with the pressing plate 3 through the connecting assembly.
The impact assembly 5 that sets up can detect the shock resistance on projection stand surface to simulate the atress condition of projection stand when suffering the object striking, the concrete work flow of impact assembly 5 is, starts biax motor 504 earlier and drives eccentric wheel 505 and rotate, and eccentric wheel 505 can produce the vibration, because the cooperation of second spring 506 and dead lever 503 that sets up, so eccentric wheel 505 can produce vibration about, thereby incessantly assaults projection stand surface.
As shown in fig. 4, the connection assembly is composed of a connection seat 507 and a rotation block 508, the connection seat 507 is fixedly connected to the side wall of the biaxial motor 504 and the inner wall of the pressing plate 3 respectively, the rotation block 508 is rotatably connected in the connection seat 507, and the second spring 506 is fixedly connected between the two rotation blocks 508.
As shown in fig. 6, the rotating assembly 6 includes a motor 601, a screw rod 602, a sliding plate 603, a moving seat 604, a rotating rod 605 and a second fixed rail 606, the motor 601 is mounted on the upper surface of the base 1, an output end of the motor 601 is fixedly connected with the screw rod 602, the second fixed rail 606 is fixedly connected with the base 1, the moving seat 604 is slidably connected in the second fixed rail 606, the second fixed rail 606 is provided with two and symmetrical with respect to the center of the base 1, the sliding plate 603 is fixedly connected between the moving seats 604, the screw rod 602 is in threaded connection with the sliding plate 603, one end of the rotating rod 605 is rotatably connected with the moving seat 604, and the other end of the rotating rod 605 is rotatably connected with the rotating plate 2.
The rotating assembly 6 is used for adjusting the inclination of the projection support table, thereby testing the inclination adjusting system of the projection support table, ensuring that the projection angle can be stably and reliably adjusted, particularly placing the projection support table between the rotating plate 2 and the pressing plate 3, attaching the surface of the projection support table to the surfaces of the rotating plate 2 and the pressing plate 3, placing the bottom of the projection support table on the base 1, enabling a telescopic rod of the projection support table to pass through a gap between the two rotating plates 2, then starting the motor 601, enabling the motor 601 to drive the screw 602 fixedly connected with the telescopic rod to rotate, enabling the screw 602 to further drive the sliding plate 603 in threaded connection with the screw 602 to move, enabling the sliding plate 603 to drive the movable seat 604 to move in the second fixed rail 606, driving the rotating rod 605 in rotating connection with the movable seat 604 to rotate, finally driving the rotating plate 2 to rotate, adjusting the inclination of the projection support table at different adjusting speeds through the rotating speed of the motor 601, observing whether the projection support table slides along with the adjusting inclination of the projection support table, and further enabling the projection support table to be adjusted to reach different projection support limits through the effect of the rotating assembly 6.
As shown in fig. 1, the load bearing capacity detection assembly is composed of a second hydraulic cylinder 7, an L-shaped seat 8 and a limit rail 11, the L-shaped seat 8 is fixedly connected to the left side and the right side of the rotating plate 2, the second hydraulic cylinder 7 is installed at the top of the L-shaped seat 8, and the telescopic end of the second hydraulic cylinder 7 is fixedly connected with the pressing plate 3.
The load bearing capacity detection component is matched with the pressing plate 3, so that the pressure test on the surface of the projection support table is realized, namely, the pressing plate 3 is driven by the second hydraulic cylinder 7 to realize the pressure test on the projection support table, and the load bearing capacity of the projection support table is tested.
As shown in fig. 2, the left and right ends of the base 1 are fixedly connected with fixing seats 10, two rotating plates 2 are arranged, the two rotating plates 2 are fixedly connected through a connecting rod 9, two ends of the connecting rod 9 are rotatably connected with the fixing seats 10, a placing seat 12 is arranged above the base 1, and the placing seat 12 is connected with an upright post fixedly connected to the base 1.
The cooperation of connecting rod 9 and fixing base 10 that sets up has realized the rotation of rotor plate 2 on base 1, and the seat 12 of placing that sets up is used for placing the bottom of projection platform support.
It will be apparent to those skilled in the art that the described embodiments are merely some, but not all, of the embodiments of the invention and that various modifications or additions may be made to the specific embodiments described or substituted in a similar way without deviating from the spirit of the invention or beyond the scope of the invention as defined in the appended claims. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention.
Claims (7)
1. The utility model provides a projection support platform performance detection device, includes base (1), pivoted panel (2) and clamp plate (3), its characterized in that: the rotating plate (2) is rotationally connected to the upper surface of the base (1), and the pressing plate (3) is in sliding connection with the rotating plate (2);
the device is characterized in that a pressing mechanism (4) is arranged on the pressing plate (3), the pressing mechanism (4) is used for testing the strength of baffle rods at two sides of the projection support table, load bearing capacity detection assemblies of the projection support table are arranged at the left side and the right side of the pressing plate (3), and an impact assembly (5) is arranged on the pressing plate (3);
the surface of the base (1) is provided with a rotating assembly (6), the rotating assembly (6) is used for adjusting the inclination angle of the projection support table and testing the load bearing capacity of the projection support table under different inclination angles;
pressing mechanism (4) are including press (401), removal frame (402), first fixed rail (403), connecting rod (404) and synchro module, the upper surface at clamp plate (3) is installed to press (401), the flexible end of press (401) and removal frame (402) fixed connection, first fixed rail (403) fixed connection is on clamp plate (3) front and back surface, remove frame (402) and first fixed rail (403) sliding connection, connecting rod (404) fixed connection is at the front and back both ends of removing frame (402), and connecting rod (404) and synchro module connect.
2. The projection stand performance detection apparatus of claim 1, wherein: the synchronous assembly is arranged on the left side and the right side of the pressing plate (3), the synchronous assembly comprises a triangular plate (405), a chute (406), a connecting frame (407), a synchronous frame (408) and a first spring (409), the connecting frame (407) is slidably connected to the upper surface of the pressing plate (3), the triangular plate (405) is fixedly connected to the front side and the rear side of the connecting frame (407), the chute (406) is provided with a bevel edge of the triangular plate (405), the connecting rod (404) is slidably connected to the chute (406), the synchronous frame (408) is fixedly connected to the surface of the connecting frame (407), the upper surface of the pressing plate (3) is provided with a movable groove, and the first spring (409) is arranged in the movable groove and is fixedly connected with the connecting frame (407) and the first spring (409).
3. The projection stand performance detection apparatus of claim 1, wherein: the impact assembly (5) comprises a fixed frame (501), a rotating seat (502), a fixed rod (503), a double-shaft motor (504), an eccentric wheel (505), a connecting assembly and a second spring (506), wherein the fixed frame (501) is fixedly connected to the upper surface of a pressing plate (3), the fixed frame (501) is fixedly connected with the rotating seat (502) at the top, the fixed rod (503) is rotationally connected in the rotating seat (502), the fixed rod (503) is far away from one end of the rotating seat (502) and is fixedly connected with the double-shaft motor (504), the output end of the double-shaft motor (504) is fixedly connected with the eccentric wheel (505), one end of the second spring (506) is connected with the side wall of the double-shaft motor (504) through the connecting assembly, and the other end of the second spring (506) is connected with the pressing plate (3).
4. A projection stand performance test apparatus according to claim 3, wherein: the connecting assembly consists of a connecting seat (507) and a rotating block (508), wherein the connecting seat (507) is respectively and fixedly connected to the side wall of the double-shaft motor (504) and the inner wall of the pressing plate (3), and the rotating block (508) is rotationally connected in the connecting seat (507).
5. The projection stand performance detection apparatus of claim 1, wherein: the utility model provides a rotating assembly (6) includes motor (601), lead screw (602), slide (603), removes seat (604), dwang (605) and second fixed rail (606), the upper surface at base (1) is installed to motor (601), the output and the lead screw (602) fixed connection of motor (601), second fixed rail (606) fixed connection is on base (1), remove seat (604) sliding connection in second fixed rail (606), second fixed rail (606) are provided with two and about the central symmetry of base (1), slide (603) fixed connection is between removing seat (604), lead screw (602) and slide (603) threaded connection, the one end rotation of dwang (605) is connected on removing seat (604), the other end and the rotation board (2) of dwang (605) rotate and are connected.
6. The projection stand performance detection apparatus of claim 1, wherein: the load bearing capacity detection assembly is composed of a second hydraulic cylinder (7), an L-shaped seat (8) and a limiting rail (11), wherein the L-shaped seat (8) is fixedly connected to the left side and the right side of the rotating plate (2), the second hydraulic cylinder (7) is installed at the top of the L-shaped seat (8), and the telescopic end of the second hydraulic cylinder (7) is fixedly connected with the pressing plate (3).
7. The projection stand performance detection apparatus of claim 1, wherein: the base is characterized in that fixed seats (10) are fixedly connected to the left end and the right end of the base (1), two rotating plates (2) are arranged, the two rotating plates (2) are fixedly connected through connecting rods (9), the two ends of the connecting rods (9) are rotationally connected with the fixed seats (10), a placing seat (12) is arranged above the base (1), and the placing seat (12) is connected with an upright post fixedly connected to the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311565662.9A CN117606836B (en) | 2023-11-22 | 2023-11-22 | Projection support table performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311565662.9A CN117606836B (en) | 2023-11-22 | 2023-11-22 | Projection support table performance detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117606836A true CN117606836A (en) | 2024-02-27 |
| CN117606836B CN117606836B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311565662.9A Active CN117606836B (en) | 2023-11-22 | 2023-11-22 | Projection support table performance detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN117606836B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060176457A1 (en) * | 2003-07-25 | 2006-08-10 | Nikon Corporation | Projection optical system inspecting method and inspection apparatus, and a projection optical system manufacturing method |
| CN111965014A (en) * | 2020-08-18 | 2020-11-20 | 优尼斯工业服务高邮有限公司 | Spacing support intensity test equipment |
| CN112378798A (en) * | 2020-11-30 | 2021-02-19 | 苏州恒晟合电子设备有限公司 | Hardness detection tool for display screen of projector |
| CN213394275U (en) * | 2020-09-25 | 2021-06-08 | 宋一诺 | Projection support is used in medical science teaching with angle modulation function |
| WO2022033382A1 (en) * | 2020-08-12 | 2022-02-17 | 深圳光峰科技股份有限公司 | Projection device position adjusting bracket |
| CN215985165U (en) * | 2021-10-14 | 2022-03-08 | 常州青峰亿康机械有限公司 | Display support life testing device |
| CN219606446U (en) * | 2022-11-18 | 2023-08-29 | 冰州科技(黑龙江)有限公司 | Combined projection bracket |
| CN116929946A (en) * | 2023-09-14 | 2023-10-24 | 深圳市欣冠精密技术有限公司 | Mobile communication equipment die-casting support stability testing arrangement |
-
2023
- 2023-11-22 CN CN202311565662.9A patent/CN117606836B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060176457A1 (en) * | 2003-07-25 | 2006-08-10 | Nikon Corporation | Projection optical system inspecting method and inspection apparatus, and a projection optical system manufacturing method |
| WO2022033382A1 (en) * | 2020-08-12 | 2022-02-17 | 深圳光峰科技股份有限公司 | Projection device position adjusting bracket |
| CN111965014A (en) * | 2020-08-18 | 2020-11-20 | 优尼斯工业服务高邮有限公司 | Spacing support intensity test equipment |
| CN213394275U (en) * | 2020-09-25 | 2021-06-08 | 宋一诺 | Projection support is used in medical science teaching with angle modulation function |
| CN112378798A (en) * | 2020-11-30 | 2021-02-19 | 苏州恒晟合电子设备有限公司 | Hardness detection tool for display screen of projector |
| CN215985165U (en) * | 2021-10-14 | 2022-03-08 | 常州青峰亿康机械有限公司 | Display support life testing device |
| CN219606446U (en) * | 2022-11-18 | 2023-08-29 | 冰州科技(黑龙江)有限公司 | Combined projection bracket |
| CN116929946A (en) * | 2023-09-14 | 2023-10-24 | 深圳市欣冠精密技术有限公司 | Mobile communication equipment die-casting support stability testing arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117606836B (en) | 2024-04-30 |
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