CN118102202B - High-temperature sound wave testing device for buzzer production - Google Patents
High-temperature sound wave testing device for buzzer production Download PDFInfo
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- CN118102202B CN118102202B CN202410515927.2A CN202410515927A CN118102202B CN 118102202 B CN118102202 B CN 118102202B CN 202410515927 A CN202410515927 A CN 202410515927A CN 118102202 B CN118102202 B CN 118102202B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of buzzer production, in particular to a high-temperature sound wave testing device for buzzer production. Including the box, the mouth of placing has been seted up to box one side, be provided with the shutoff subassembly in the box of mouth one side of placing, the slip is provided with the sliding plate in the box, clamping assembly is installed to the sliding plate upper end, the sliding plate is connected with lower drive assembly, the vertical direction in the box is upwards slided and is provided with heating element, go up drive assembly and be connected with heating element, go up drive assembly and can drive heating element and move in the vertical direction in the box, heating element can drive the shutoff subassembly motion and carry out the shutoff to placing the mouth in the in-process of descending in the box, install temperature sensor and decibel detector on the box, temperature sensor and decibel detector are connected with the electromechanics. When the sliding plate can drive the clamping assembly to move to the outer side of the box body, the buzzer to be detected is conveniently installed in the placing groove, and the buzzer to be detected is conveniently installed and detached.
Description
Technical Field
The invention relates to the technical field of buzzer production, in particular to a high-temperature sound wave testing device for buzzer production.
Background
The buzzer is an electronic sounder with an integrated structure, adopts direct-current voltage to supply power, and is widely applied to electronic products such as computers, printers, copiers, alarms, electronic toys, automobile electronic equipment, telephones, timers and the like as a sounding device; the buzzer is mainly divided into two types, a piezoelectric buzzer and an electromagnetic buzzer.
The patent application of bulletin number CN210513406U discloses an electromagnetic type buzzer production is with high temperature sound wave testing arrangement, heats through firing equipment, carries the inside of main part case with heat utilization siphunculus, connecting pipe and intake pipe to can heat the top and the bottom of buzzer simultaneously, make buzzer's heated area better, guaranteed detection quality, detect buzzer through sound wave sensor, sound wave sensor is connected with the display screen electricity, and the accessible display screen is observed buzzer more directly perceivedly, has reached can carry out the high temperature test, improves production quality's purpose.
The testing device can conveniently convey and move the buzzer, and can effectively heat and detect the buzzer. But the tightness of the testing device is poor, the accuracy of high-temperature test data can be influenced, and meanwhile, the testing device can only perform high-temperature test and cannot perform decibel detection on the buzzer at high temperature, so that the practical performance of the testing device cannot meet the test requirement.
Disclosure of Invention
The invention aims to solve the technical problem that the high-temperature sound wave testing device for the production of the buzzer can prevent heat loss in the box body and ensure the accuracy of high-temperature test data.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides a buzzer production is with high temperature sound wave testing arrangement, the power distribution box comprises a box body, the placing port has been seted up to box one side, be provided with the shutoff subassembly in the box of placing port one side, sliding in the box is provided with the sliding plate, clamping assembly is installed to the sliding plate upper end, the sliding plate is connected with lower actuating assembly, lower actuating assembly can drive the sliding plate and run through the placing port and make clamping assembly be located the box outside, the vertical side in the box is upwards slided and is provided with heating assembly, go up actuating assembly and heating assembly and be connected, go up actuating assembly and can drive heating assembly and move in the vertical direction in the box, heating assembly can drive the shutoff subassembly motion and carry out the shutoff to the placing port in the in-process of descending in the box, install temperature sensor and decibel detector on the box, temperature sensor and decibel detector are connected with computer electricity, the shutoff subassembly includes the door plant, the box of both sides has all been seted up on the front and back of placing port has been seted up the groove, the connecting rod is put down with placing port intercommunication, equal elastic rotation is connected with a plurality of connecting rods in the connecting rod, the connecting rod of both sides in the front and back, the connecting rod is kept away from the one-to-one correspondence of placing groove, the one end of keeping away from the connecting rod of placing groove is upwards inclined, a plurality of parallel with the door plant side parallel to the placing plate is parallel to the door plant is seted up.
Specifically, the bottom plate upper end of box is fixed with the loading board, has seted up two first spouts on the loading board, all sliding connection has first slider in the first spout, first slider and sliding plate fixed connection.
Specifically, the lower driving assembly comprises a second screw rod, the second screw rod is rotatably arranged in one of the first sliding grooves, a second guide rod is fixedly arranged in the other first sliding groove, the length direction of the first sliding groove, the axial direction of the second screw rod and the axial direction of the second guide rod are parallel, the second screw rod is in threaded connection with a first sliding block on one side of the second screw rod, the second guide rod is in sliding connection with a first sliding block on one side of the second screw rod, a lower motor is fixedly arranged on the box body, and an output shaft of the lower motor is fixedly connected with the second screw rod.
Specifically, the clamping assembly comprises a placing plate fixed at the upper end of the sliding plate, a placing groove is formed in the upper end of the placing plate, two arc-shaped plates which are oppositely arranged are arranged in the placing groove, one arc-shaped plate is fixed in the placing groove, a second sliding groove is formed in the placing plate below the placing groove, a second sliding block is fixed at the lower end of the other arc-shaped plate, the second sliding block is arranged in the second sliding groove in a sliding manner, a third screw rod is connected in the second sliding groove in a rotating manner, the third screw rod is in threaded connection with the second sliding block, one end of the third screw rod extends to the outer side of the placing plate, and a nut is fixed at one end of the third screw rod outside the placing plate.
Specifically, the upper end of the sliding plate is fixedly provided with a wiring seat, and the wiring seat is electrically connected with a power supply through a wire.
Specifically, the one end that the connecting rod is close to the groove of stepping down rotates and is connected with the fixed axle, and the fixed axle is fixed in the inslot of stepping down of its one side, and the cover is equipped with the torsional spring on the fixed axle, torsional spring one end and fixed axle fixed connection, torsional spring other end and connecting rod fixed connection, the connecting rod is kept away from the one end rotation of the groove of stepping down and is connected with the connecting axle, connecting axle and door plant fixed connection.
Specifically, heating element is including being located the slip frame of box, and the slip frame internal fixation has the heater, and the slip frame outside is fixed with two connecting blocks. The upper driving assembly comprises a first guide rod fixed in the box body, the first guide rod is vertically arranged, the first guide rod is in sliding connection with one of the connecting blocks, a first screw rod is rotationally connected in the box body, the first screw rod is vertically arranged, the first screw rod is in threaded connection with the other connecting block, an upper motor is fixed at the upper end of the box body, and an output shaft of the upper motor is fixedly connected with the upper end of the first screw rod.
Specifically, the sliding frame is in sliding contact with the side wall of the box body provided with the placing groove.
Specifically, the observation window is installed to box one side.
Compared with the prior art, the invention has the beneficial effects that: 1. the sliding plate can drive the clamping assembly to move to the outer side of the box body, the buzzer to be tested is conveniently installed in the placing groove, and the buzzer to be tested is conveniently installed and detached. 2. The heating assembly can drive the door plate to move downwards in the process of descending and approaching the buzzer, the door plate can plug the placing port after moving downwards, heat loss in the box body can be prevented in the process of testing the buzzer, and accuracy of high-temperature test data can be guaranteed. 3. The heating element descends and is in the shutoff state to the in-process door plant that heats bee calling organ, and the door plant can not be opened this moment, can avoid the tester maloperation and open the door plant and lead to the heat loss in the box.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the interior of the case.
Fig. 3 is an enlarged view of area a in fig. 2.
Fig. 4 is a state diagram of the door panel after the placement port is opened.
Fig. 5 is a schematic view of a clamping assembly.
Fig. 6 is a schematic view of the area B in fig. 5.
Fig. 7 is an exploded view of the connecting rod and the door panel.
Fig. 8 is a schematic view of a heating assembly.
The names of the parts in the drawings are as follows: 1. a case; 2. a motor is arranged; 3. a temperature sensor; 4. a decibel detector; 5. an observation window; 6. a placement port; 7. placing a plate; 8. a sliding plate; 9. a wire holder; 10. a sliding frame; 11. a door panel; 12. a connecting rod; 13. a carrying plate; 14. a first chute; 15. a lower motor; 16. a first screw rod; 17. a connecting block; 18. a relief groove; 19. a fixed shaft; 20. a connecting shaft; 21. a heater; 22. a first guide bar; 23. a second guide bar; 24. a second screw rod; 25. an arc-shaped plate; 26. a nut; 27. a first slider; 28. a third screw rod; 29. a second chute; 30. a second slider; 31. and (5) placing a groove.
Detailed Description
Embodiment one: as shown in fig. 1-8, a high-temperature acoustic wave testing device for buzzer production comprises a box body 1, wherein a placement opening 6 is formed in one side of the box body 1. The placement opening 6 in this embodiment is provided on the left side wall of the case 1. A plugging component is arranged in the box body 1 at one side of the placement opening 6. A heating component is arranged in the box body 1 in a sliding manner in the vertical direction, and an upper driving component is connected with the heating component. The upper driving assembly can drive the heating assembly to move in a vertical direction in the case 1. The heating component can drive the plugging component to move and plug the placing port 6 in the descending process in the box body 1.
The plugging assembly comprises a door plate 11, and the box body 1 on the front side and the rear side of the placing opening 6 is provided with a yielding groove 18, and the yielding groove 18 is communicated with the placing opening 6. The yielding grooves 18 are internally and elastically connected with a plurality of connecting rods 12 in a rotating manner, the connecting rods 12 on the front side and the rear side are in one-to-one correspondence, one end, far away from the yielding grooves 18, of each connecting rod 12 is inclined upwards, and the connecting rods 12 are mutually parallel. One end of the connecting rod 12 far away from the abdication groove 18 is rotationally connected with the door plate 11, and the door plate 11 is parallel to the left side wall of the box body 1. In this embodiment, two connecting rods 12 are disposed in the relief groove 18.
Specifically, one end of the connecting rod 12, which is close to the abdication groove 18, is rotationally connected with a fixing shaft 19, the fixing shaft 19 is fixed in the abdication groove 18 on one side of the fixing shaft 19, a torsion spring is sleeved on the fixing shaft 19, one end of the torsion spring is fixedly connected with the fixing shaft 19, the other end of the torsion spring is fixedly connected with the connecting rod 12, one end of the connecting rod 12, which is far away from the abdication groove 18, is rotationally connected with a connecting shaft 20, and the connecting shaft 20 is fixedly connected with the door plate 11.
The heating assembly comprises a sliding frame 10 positioned in the box body 1, wherein the sliding frame 10 is in sliding contact with the left side wall of the box body 1.A heater 21 is fixed in the sliding frame 10, and two connecting blocks 17 are fixed on the outer side of the sliding frame 10.
The upper driving assembly comprises a first guide rod 22 fixed in the box body 1, the first guide rod 22 is vertically arranged, the vertical first guide rod 22 is fixed in the box body 1, and the first guide rod 22 is in sliding connection with one of the connecting blocks 17. The first lead screw 16 is connected with the box 1 in a rotating mode, the first lead screw 16 is arranged vertically, and the first lead screw 16 is connected with the other connecting block 17 in a threaded mode. An upper motor 2 is fixed at the upper end of the box body 1, and an output shaft of the upper motor 2 is fixedly connected with the upper end of a first screw rod 16.
The buzzer to be tested is placed in the box body 1 through the placement opening 6, and is electrically connected with the power supply. Then, the upper motor 2 is started, the upper motor 2 drives the first screw rod 16 to rotate, and in the process of rotating the first screw rod 16, the connecting block 17, the sliding frame 10 and the heater 21 descend in the box body 1. When the sliding frame 10 contacts with the upper end of the door plate 11 in the process of descending in the box body 1, the door plate 11 moves downwards along with continuous descending of the sliding frame 10, and the connecting rod 12 swings in the process of moving downwards the door plate 11. At the same time, the torsion spring sleeved on the fixed shaft 19 stores force. In the process that the sliding frame 10 drives the door plate 11 to move downwards, the door plate 11 is firstly far away from the left side wall of the box body 1, when the connecting rod 12 is vertical to the left side wall of the box body 1, the door plate 11 gradually approaches the left side wall of the box body 1 along with the sliding frame 10 continuously driving the door plate 11 to descend, and after the door plate 11 contacts with the left side wall of the box body 1, the door plate 11 seals the placing opening 6, and at the moment, the heater 21 is close to the buzzer in the box body 1. The heater 21 and the power supply are started, the power supply supplies power to the buzzer, and the temperature in the box body 1 is increased after the heater 21 is started.
The temperature sensor 3 and the decibel detector 4 are arranged on the box body 1, and the temperature sensor 3 and the decibel detector 4 are electrically connected with the computer. The temperature sensor 3 can detect the temperature in the box 1 in real time, and the decibel detector 4 can detect the sound wave size sent by the buzzer in real time.
The built-in software of the computer can analyze the data of the temperature sensor 3 and the decibel detector 4, and then display a temperature change curve chart in the box body 1 and a curve chart of the sound wave emitted by the buzzer on a display screen of the computer. When the data detected by the decibel detector 4 disappear, the temperature value in the box 1 at the moment is recorded, and the temperature value in the box 1 at the moment is the limit working temperature value of the buzzer.
After the test is completed, the connection block 17, the slide frame 10 and the heater 21 are made to ascend in the case 1. At the same time, the door panel 11 moves upward under the elastic force of the torsion spring. When the placing opening 6 is opened, the buzzer after the test is conveniently taken out of the box body 1.
In this embodiment, the temperature in the case 1 can be controlled between 40 ℃ and 50 ℃ by the heater 21, so as to simulate the buzzer to be tested to work in a high-temperature insolation environment. The temperature in the box body 1 is controlled to be between 85 ℃ and 100 ℃ through the heater 21, and then the buzzer to be tested is simulated to be installed on the PowerPCB-class circuit board and then works in a high-power environment. The temperature in the box body 1 is controlled to be 60-80 ℃ through the heater 21, and then the buzzer to be tested is simulated to be installed on the LED driving circuit board and then works in a high-power environment.
Embodiment two: in addition to the first embodiment, as shown in fig. 1,2, 4, 5 and 6, a slide plate 8 is slidably provided in the case 1. Specifically, the bottom plate upper end of box 1 is fixed with loading board 13, has seted up two first spouts 14 on the loading board 13, all sliding connection has first slider 27 in the first spout 14, first slider 27 and sliding plate 8 fixed connection. The slide plate 8 is capable of sliding on the carrier plate 13.
The upper end of the sliding plate 8 is provided with a clamping component.
The clamping assembly comprises a placing plate 7 fixed at the upper end of the sliding plate 8, and a placing groove 31 is formed in the upper end of the placing plate 7. The placement groove 31 has two opposing arcuate plates 25 therein. One of the arcuate plates 25 is secured within the receiving slot 31. The placement plate 7 below the placement groove 31 is provided with a second chute 29. A second slide block 30 is fixed at the lower end of the other arc-shaped plate 25, and the second slide block 30 is slidably arranged in the second slide groove 29. A third screw rod 28 is rotatably connected to the second chute 29, and the third screw rod 28 is in threaded connection with a second slider 30. One end of the third screw rod 28 extends to the outer side of the placing plate 7, and a nut 26 is fixed on one end of the third screw rod 28 at the outer side of the placing plate 7. The third screw rod 28 is rotated through the nut 26, the distance between the two arc plates 25 is reduced in the process of rotating the third screw rod 28, and then the buzzer placed between the two arc plates 25 can be clamped and fixed.
The sliding plate 8 is connected with a lower driving assembly which can drive the sliding plate 8 to penetrate through the placement opening 6 and enable the clamping assembly to be located outside the box body 1.
The lower drive assembly includes a second screw 24, the second screw 24 being rotatably disposed within one of the first runners 14. A second guide rod 23 is fixed in the other first chute 14. The length direction of the first chute 14, the axial direction of the second screw 24, and the axial direction of the second guide bar 23 are parallel. The second screw 24 is screw-coupled to a first slider 27 at one side thereof. The second guide bar 23 is slidably connected to a first slider 27 on one side thereof. A lower motor 15 is fixed on the box body 1, and an output shaft of the lower motor 15 is fixedly connected with a second screw rod 24.
In this embodiment, through setting up clamping assembly and sliding plate 8, conveniently fix the buzzer that waits to test on sliding plate 8. And it is convenient to send the buzzer fixed to the sliding plate 8 into or out of the case 1.
The lower motor 15 is started, the lower motor 15 drives the second screw rod 24 to rotate, the sliding plate 8 drives the clamping assembly to move leftwards, and when the clamping assembly passes through the placing opening 6 and is positioned at the outer side of the box body 1, the buzzer to be tested is placed between the two arc plates 25. The third screw rod 28 is rotated through the nut 26, the distance between the two arc plates 25 is reduced in the process of rotating the third screw rod 28, and then the buzzer to be tested placed between the two arc plates 25 can be clamped and fixed. And then the buzzer to be tested is electrically connected with a power supply. The lower motor 15 is started, so that the sliding plate 8 drives the buzzer in the clamping component to enter the box body 1, and then the buzzer is tested.
Embodiment III: on the basis of the first embodiment, referring to fig. 1,2 and 4, a wire holder 9 is fixed at the upper end of the sliding plate 8, and the wire holder 9 is electrically connected with a power supply through a wire. In order to facilitate the electrical connection between the buzzer to be tested and the power supply, the power supply and the wire holder 9 can be electrically connected through a wire. The buzzer to be tested is electrically connected with the wire holder 9, so that the buzzer to be tested is electrically connected with a power supply, and the wire holder 9 is arranged, so that the testing efficiency can be improved.
Embodiment four: in addition to the first embodiment, referring to fig. 1, an observation window 5 is installed on one side of the case 1. Through setting up observation window 5, when testing buzzer in box 1, conveniently observe the buzzer state in box 1 through observation window 5 convenience.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The utility model provides a buzzer production is with high temperature sound wave testing arrangement, including box (1), place mouthful (6) have been seted up to box (1) one side, a serial communication port, be provided with the shutoff subassembly in box (1) of placing mouthful (6) one side, the slip is provided with sliding plate (8) in box (1), clamping assembly is installed to sliding plate (8) upper end, sliding plate (8) are connected with lower drive assembly, lower drive assembly can drive sliding plate (8) run through place mouthful (6) and make clamping assembly be located box (1) outside, the vertical direction in box (1) is upwards slided and is provided with heating subassembly, go up drive assembly and be connected with heating subassembly, go up drive assembly and move in the vertical direction in box (1), heating subassembly can drive the shutoff subassembly motion and carry out shutoff mouth (6) in box (1) down, install temperature sensor (3) and decibel detector (4) on box (1), temperature sensor (3) and decibel detector (4) are given way and computer (18) are given way and are connected with door plant (6), place to the door plant (18) are all connected with the equal place to the door plant (18) and are connected with the door plant (18) in the equal place to the both sides, place to the door plant (18) is connected with the equal place to the door plant (18), the connecting rods (12) on the front side and the rear side are in one-to-one correspondence, one end, away from the abdication groove (18), of each connecting rod (12) is inclined upwards, the connecting rods (12) are parallel to each other, one end, away from the abdication groove (18), of each connecting rod (12) is rotationally connected with the door plate (11), and the door plate (11) is parallel to the side wall of the box body (1) provided with the placing groove (31); the heating assembly comprises a sliding frame (10) positioned in the box body (1), a heater (21) is fixed in the sliding frame (10), and two connecting blocks (17) are fixed on the outer side of the sliding frame (10); the upper driving assembly comprises a first guide rod (22) fixed in the box body (1), the first guide rod (22) is vertically arranged, the first guide rod (22) is in sliding connection with one of the connecting blocks (17), the box body (1) is rotationally connected with a first screw rod (16), the first screw rod (16) is vertically arranged, the first screw rod (16) is in threaded connection with the other connecting block (17), an upper motor (2) is fixed at the upper end of the box body (1), and an output shaft of the upper motor (2) is fixedly connected with the upper end of the first screw rod (16); in the process that the sliding frame (10) descends in the box (1), after the sliding frame (10) is contacted with the upper end of the door plate (11), the door plate (11) moves downwards along with continuous descending of the sliding frame (10), the connecting rod (12) swings in the process that the door plate (11) moves downwards, the door plate (11) is firstly far away from the left side wall of the box (1) in the process that the sliding frame (10) drives the door plate (11) to move downwards, when the connecting rod (12) is perpendicular to the left side wall of the box (1), the door plate (11) is gradually close to the left side wall of the box (1) along with continuous descending of the sliding frame (10), after the door plate (11) is contacted with the left side wall of the box (1), the door plate (11) seals the placement opening (6), and at the moment, the heater (21) is close to the buzzer in the box (1).
2. The high-temperature sound wave testing device for buzzer production according to claim 1, wherein a bearing plate (13) is fixed at the upper end of the bottom plate of the box body (1), two first sliding grooves (14) are formed in the bearing plate (13), first sliding blocks (27) are slidably connected in the first sliding grooves (14), and the first sliding blocks (27) are fixedly connected with the sliding plate (8).
3. The high-temperature sound wave testing device for buzzer production according to claim 2, wherein the lower driving assembly comprises a second screw rod (24), the second screw rod (24) is rotatably arranged in one of the first sliding grooves (14), a second guide rod (23) is fixedly arranged in the other first sliding groove (14), the length direction of the first sliding groove (14), the axial direction of the second screw rod (24) and the axial direction of the second guide rod (23) are parallel, the second screw rod (24) is in threaded connection with a first sliding block (27) on one side of the second screw rod, the second guide rod (23) is in sliding connection with a first sliding block (27) on one side of the second guide rod, a lower motor (15) is fixedly arranged on the box body (1), and an output shaft of the lower motor (15) is fixedly connected with the second screw rod (24).
4. The high-temperature sound wave testing device for buzzer production according to claim 1, wherein the clamping component comprises a placing plate (7) fixed at the upper end of the sliding plate (8), a placing groove (31) is formed in the upper end of the placing plate (7), two oppositely arranged arc plates (25) are arranged in the placing groove (31), one arc plate (25) is fixed in the placing groove (31), a second sliding groove (29) is formed in the placing plate (7) below the placing groove (31), a second sliding block (30) is fixed at the lower end of the other arc plate (25), the second sliding block (30) is arranged in the second sliding groove (29) in a sliding mode, a third screw rod (28) is connected with the second sliding groove (30) in a rotating mode, one end of the third screw rod (28) extends to the outer side of the placing plate (7), and a nut (26) is fixed at one end of the third screw rod (28) on the outer side of the placing plate (7).
5. The high-temperature sound wave testing device for buzzer production according to claim 1, wherein a wire holder (9) is fixed at the upper end of the sliding plate (8), and the wire holder (9) is electrically connected with a power supply through a wire.
6. The high-temperature sound wave testing device for buzzer production according to claim 1, wherein one end of the connecting rod (12) close to the abdication groove (18) is rotationally connected with a fixed shaft (19), the fixed shaft (19) is fixed in the abdication groove (18) on one side of the fixed shaft, a torsion spring is sleeved on the fixed shaft (19), one end of the torsion spring is fixedly connected with the fixed shaft (19), the other end of the torsion spring is fixedly connected with the connecting rod (12), one end of the connecting rod (12) far away from the abdication groove (18) is rotationally connected with a connecting shaft (20), and the connecting shaft (20) is fixedly connected with the door plate (11).
7. The high-temperature sound wave testing device for buzzer production according to claim 1, wherein the sliding frame (10) is in sliding contact with the side wall of the box body (1) provided with the placing groove (31).
8. The high-temperature sound wave testing device for buzzer production according to claim 1, wherein an observation window (5) is arranged on one side of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410515927.2A CN118102202B (en) | 2024-04-27 | 2024-04-27 | High-temperature sound wave testing device for buzzer production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410515927.2A CN118102202B (en) | 2024-04-27 | 2024-04-27 | High-temperature sound wave testing device for buzzer production |
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| CN118102202A CN118102202A (en) | 2024-05-28 |
| CN118102202B true CN118102202B (en) | 2024-07-23 |
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| CN117145834B (en) * | 2023-10-23 | 2024-01-05 | 莱州兴达液压机械科技有限公司 | Cylinder seal test bench |
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| CN113390506A (en) * | 2021-08-17 | 2021-09-14 | 常州尊铮机械设备有限公司 | Testing device for buzzer production |
| WO2023115721A1 (en) * | 2021-12-23 | 2023-06-29 | 临沂矿业集团有限责任公司 | Turn-over, lifting and conveying device for mine based on unmanned mining |
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