Refrigerator automatic detector

Abstract

The present invention belongs to the field of refrigerator detection technology, specifically, an automatic refrigerator detector, comprising a simulation vehicle and two tracks, both of which are fixedly connected to the ground by bolts, a pair of track wheels rotatably connected to both sides of the simulation vehicle for use with the tracks, a brake detection mechanism capable of simulating emergency braking for detection is provided on one side of the simulation vehicle, and a pothole detection assembly capable of simulating potholes for detection is provided inside the simulation vehicle. By providing the brake detection mechanism and the pothole detection assembly, the present invention can simulate the shaking of the refrigerator during emergency braking during transportation, and can also simulate the specific shaking of the refrigerator when passing through potholes during transportation, thereby improving the comprehensiveness of the shaking detection during transportation and increasing the authenticity and accuracy of the detection results of the automatic refrigerator detector.

Description

Technical Field

[0001] The invention belongs to the technical field of refrigerator detection, and in particular relates to an automatic refrigerator detection instrument. Background Art

[0002] Freezers, also known as freezers, are devices that store food and other items at low temperatures. They are divided into two types: home and commercial. Commercial freezers are used in restaurants, bars, food processing plants, and supermarkets.

[0003] Refrigerators need to be tested before leaving the factory. Since refrigerators are prone to shaking due to bad road conditions during transportation, the test content includes a refrigerator shaking test. Chinese patent publication number CN208937340U discloses a refrigerator performance testing device. Although the test box can tilt and shake left and right with the forward and reverse rotation of the drive motor through the coordination between the structures, so that the refrigerator body located in the inner cavity of the test box can shake accordingly, realizing the shaking test of the refrigerator body, but when the test device performs the shaking test, the following situation still exists: the left and right shaking of the refrigerator during transportation is far less than the shaking force caused by emergency braking and bumpy roads, and the test device cannot simulate and test these two extreme conditions during transportation, resulting in low authenticity and accuracy of the test results. Summary of the Invention

[0004] The present invention addresses the problem that the existing technology cannot simulate and test extreme conditions during transportation, resulting in low authenticity and accuracy of test results. The following technical solutions are proposed:

[0005] The automatic freezer tester includes a simulation vehicle and two tracks, both of which are fixedly connected to the ground by bolts. A pair of track wheels are rotatably connected to both sides of the simulation vehicle for use with the tracks. A brake detection mechanism capable of simulating emergency braking for testing is provided on one side of the simulation vehicle. A pothole detection component is provided inside the simulation vehicle for simulating potholes on a road section.

[0006] The automatic refrigerator detector provided by the present invention can more realistically simulate two extreme situations that may occur during the transportation of the refrigerator, and automatically detect the situation when the refrigerator is shaken during transportation, thereby increasing the comprehensiveness and convenience of the shaking detection during the transportation of the refrigerator.

[0007] As a preferred embodiment of the above technical solution, the brake detection mechanism includes a winding wheel arranged on one side of the forward direction of the simulated vehicle, the winding wheel frame is fixedly connected to the ground by bolts, and the winding wheel is arranged on one side of the two vehicle rails, a winding motor is provided on one side of the winding wheel frame, one end of the output shaft of the winding motor is fixedly connected to the winding wheel axle, and the winding motor is fixedly installed above the wheel frame bottom plate through a first mounting seat, a stopping plate is fixedly connected between the two vehicle rails by bolts, and the stopping plate is arranged on the side of the two vehicle rails close to the winding motor, one end of the bottom of the simulated vehicle is fixedly connected to a baffle used in conjunction with the stopping plate, the side of the baffle close to the stopping plate is fixedly connected to a pull rope, and the end of the pull rope away from the baffle is fixedly connected to the winding wheel;

[0008] The pothole detection assembly includes two supporting plates fixedly connected to the interior of the simulation vehicle, and a pair of square rods are slidably connected to the interior of each of the two supporting plates. The bottom ends of the pair of square rods extend below the supporting plates and are fixedly connected to rollers, and the top ends of the pair of square rods extend above the supporting plates and are fixedly connected to the same simulation platform.

[0009] A pair of connecting shafts are rotated inside the simulation car, and the pair of connecting shafts are both arranged below the supporting plate, a pair of sprockets are fixedly sleeved on the outside of the pair of connecting shafts, and a chain is movably sleeved on the outside of the two pairs of sprockets, and multiple groups of jacking blocks used in conjunction with rollers are arranged between the two chains, and the cross-sectional shapes of the multiple groups of jacking blocks are all right triangles with oblique surfaces, and the number of jacking blocks in each group is three. A driving motor is fixedly installed on one side of the simulation car through the second mounting seat, and one end of the output shaft of the driving motor extends to the interior of the simulation car and is fixedly connected to one of the connecting shafts;

[0010] A notch is provided at one end of the top of the stop plate for use with a pull rope, and the side cross-section of the stop plate is U-shaped;

[0011] The side cross-section of the simulation platform is U-shaped, and the side panels on both sides of the simulation platform are evenly provided with multiple hollows. The railings formed between the multiple hollows can be used to tie ropes to fix the refrigerator;

[0012] The simulation vehicle includes a carriage for installing the pothole detection component and a boarding ramp provided on both sides of the carriage, and fences are provided on both sides of the boarding ramp for use with the simulation platform;

[0013] By providing a brake detection mechanism and a pothole detection component, the present invention can simulate the shaking of the refrigerator during emergency braking during transportation of the refrigerator, and can also simulate the specific shaking of the refrigerator when passing through a pothole section during transportation. This improves the comprehensiveness of the shaking detection during transportation of the refrigerator and increases the authenticity and accuracy of the detection results of the refrigerator automatic detector.

[0014] As a preferred embodiment of the above technical solution, one side of the two pairs of track wheels in the forward direction is provided with an auxiliary simulation mechanism capable of automatically cleaning the track when the simulated vehicle moves forward;

[0015] The auxiliary simulation mechanism includes a third mounting seat arranged on a side of the simulation wheel close to the winding wheel, and the mounting seat is fixedly connected to the simulation vehicle, one end of the bottom of the mounting seat is fixedly connected to the scraper, and the scraper is provided with a slide groove on the side away from the track wheel, and the slide groove is arranged inside the mounting seat, the inside of the slide groove is fixedly connected to a fixing rod, the outside of the fixing rod is slidably connected to a slider, one end of the bottom of the slider is fixedly connected to a paddle plate used in conjunction with the scraper, one end of the top of the slider is hinged with a connecting rod, one end of the top of the mounting seat is fixedly connected to a positioning rod, the outside of the positioning rod is slidably connected to a special-shaped plate, one end of the connecting rod is hinged to the special-shaped plate away from the slider, and the side of the track wheel away from the simulation vehicle is fixedly connected to a round pin, and the surface of the special-shaped rod is provided with a through slot used in conjunction with the round pin;

[0016] The scraper comprises three parts, one of which is arranged inside the rail and its bottom surface is on the same level as the lowest point of the rail wheel inside the rail, and the other two parts are arranged at one end of the top of the rail and are in contact with the top surface of the rail;

[0017] The scraper has a T-shaped side section and an L-shaped cross section;

[0018] By setting up an auxiliary simulation mechanism, the present invention can use the cooperation between structures to clean the dust and impurities in the vehicle track while the simulation vehicle is performing brake simulation testing. This can not only improve the convenience of cleaning the vehicle track, but also prevent the accumulation of dust and impurities in the vehicle track from affecting the use of the track wheel. It can also improve the stability of the driving speed of the simulation vehicle during the brake testing process and ensure the accuracy of the detection by the brake testing mechanism.

[0019] The beneficial effects of the present invention are:

[0020] (1) The automatic refrigerator detector provided by the present invention can simulate two extreme situations that may occur during the transportation of the refrigerator in a more realistic manner, and automatically detect the situation when the refrigerator is shaken during transportation, thereby increasing the comprehensiveness and convenience of the shaking detection during the transportation of the refrigerator; by setting a brake detection mechanism and a pothole detection component, it can simulate the shaking of the refrigerator during the transportation of the refrigerator in an emergency braking situation, and can also simulate the specific shaking of the refrigerator when the refrigerator passes through a pothole section during transportation, thereby improving the comprehensiveness of the shaking detection during the transportation of the refrigerator and increasing the authenticity and accuracy of the detection results of the automatic refrigerator detector.

[0021] (2) The present invention sets up an auxiliary simulation mechanism, which can utilize the coordination between structures to clean the dust and impurities in the vehicle track while the simulation vehicle is performing brake simulation testing. This can not only improve the convenience of cleaning the vehicle track, but also prevent the accumulation of dust and impurities in the vehicle track from affecting the use of the track wheel. It can also improve the stability of the driving speed of the simulation vehicle during the brake testing process and ensure the accuracy of the detection by the brake testing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Shows a front view of an embodiment of the present invention;

[0023] Figure 2 shows a bottom view of an embodiment of the present invention;

[0024] Figure 3 Shows an overall schematic diagram of a simulation vehicle according to an embodiment of the present invention;

[0025] Figure 4 A cross-sectional view of a simulated vehicle according to an embodiment of the present invention is shown;

[0026] Figure 5 A schematic diagram showing the disassembly of the internal structure of a simulated vehicle according to an embodiment of the present invention is shown;

[0027] Figure 6 A rear view of part of the auxiliary simulation mechanism according to an embodiment of the present invention is shown;

[0028] In the figure: 1. Simulation vehicle; 2. Vehicle track; 3. Track wheel; 4. Brake detection mechanism; 41. Winding wheel; 42. Winding motor; 43. Stop plate; 44. Baffle; 45. Pull rope; 5. Pothole detection assembly; 51. Support plate; 52. Square rod; 53. Roller; 54. Simulation table; 55. Connecting shaft; 56. Sprocket; 57. Chain; 58. Lifting block; 59. Drive motor; 6. Auxiliary simulation mechanism; 61. Third mounting seat; 62. Scraper; 63. Fixed rod; 64. Slider; 65. Paddle plate; 66. Linking rod; 67. Positioning rod; 68. Special-shaped plate; 69. Round pin. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0030] The present invention provides a refrigerator automatic detector, such as Figures 1-6As shown, the vehicle includes a simulation vehicle 1 and two tracks 2, both of which are fixedly connected to the ground by bolts. A pair of track wheels 3 are rotatably connected to both sides of the simulation vehicle 1 for use with the tracks 2. A brake detection mechanism 4 capable of simulating emergency braking for testing is provided on one side of the simulation vehicle 1. A pothole detection component 5 capable of simulating potholes on a road section is provided inside the simulation vehicle 1.

[0031] The brake detection mechanism 4 includes a winding wheel 41 arranged on the side of the forward direction of the simulation vehicle 1, the winding wheel 41 wheel frame is fixedly connected to the ground by bolts, and the winding wheel 41 is arranged on one side of the two rails 2, and a winding motor 42 is provided on one side of the winding wheel 41 wheel frame, one end of the output shaft of the winding motor 42 is fixedly connected to the wheel axle of the winding wheel 41, and the winding motor 42 is fixedly installed above the wheel frame bottom plate through a first mounting seat, a stopping plate 43 is fixedly connected between the two rails 2 by bolts, and the stopping plate 43 is arranged on the side of the two rails 2 close to the winding motor 42, one end of the bottom of the simulation vehicle 1 is fixedly connected to a baffle 44 used in conjunction with the stopping plate 43, and a pull rope 45 is fixedly connected to the side of the baffle 44 close to the stopping plate 43, and the end of the pull rope 45 away from the baffle 44 is fixedly connected to the winding wheel 41;

[0032] The pothole detection assembly 5 includes two supporting plates 51 fixedly connected to the interior of the simulation vehicle 1. A pair of square rods 52 are slidably connected to the interior of each supporting plate 51. The bottom ends of the pair of square rods 52 extend below the supporting plates 51 and are fixedly connected to rollers 53. The top ends of the pair of square rods 52 extend above the supporting plates 51 and are fixedly connected to a common simulation platform 54.

[0033] A pair of connecting shafts 55 are rotated inside the simulation car 1, and the pair of connecting shafts 55 are both arranged below the supporting plate 51. A pair of sprockets 56 are fixedly sleeved on the outside of the pair of connecting shafts 55, and a chain 57 is movably sleeved on the outside of the two pairs of sprockets 56. Multiple groups of lifting blocks 58 used in conjunction with the roller 53 are arranged between the two chains 57. The cross-sectional shape of the multiple groups of lifting blocks 58 are all right triangles with inclined surfaces, and the number of each group of lifting blocks 58 is three. A drive motor 59 is fixedly installed on one side of the simulation car 1 through a second mounting seat. One end of the output shaft of the drive motor 59 extends to the interior of the simulation car 1 and is fixedly connected to one of the connecting shafts 55.

[0034] On one side of the forward direction of the two pairs of track wheels 3, there is provided an auxiliary simulation mechanism 6 which can automatically clean the track 2 when the simulated vehicle 1 moves forward;

[0035] The auxiliary simulation mechanism 6 includes a third mounting seat 61 arranged on the side of the simulation wheel close to the winding wheel 41, and the mounting seat 61 is fixedly connected to the simulation vehicle 1, and one end of the bottom of the mounting seat 61 is fixedly connected to a scraper 62, and a slide groove is provided on the side of the scraper 62 away from the track wheel 3, and the slide groove is arranged inside the mounting seat 61, and a fixing rod 63 is fixedly connected to the inside of the slide groove, and a slider 64 is slidably connected to the outside of the fixing rod 63, and one end of the bottom of the slider 64 is fixedly connected to a dial plate 65 used in conjunction with the scraper 62, and one end of the top of the slider 64 is hinged to a connecting rod 66, and one end of the top of the mounting seat 61 is fixedly connected to a positioning rod 67, and the outside of the positioning rod 67 is slidably connected to a special-shaped plate 68, and one end of the connecting rod 66 away from the slider 64 is hinged to the special-shaped plate 68, and the side of the track wheel 3 away from the simulation vehicle 1 is fixedly connected to a round pin 69, and the surface of the special-shaped rod is provided with a through groove used in conjunction with the round pin 69;

[0036] A notch is provided at one end of the top of the stop plate 43 for use with the pull rope 45, and the side cross-section of the stop plate 43 is U-shaped;

[0037] The side cross-section of the simulation platform 54 is U-shaped, and the side panels on both sides of the simulation platform 54 are evenly provided with multiple hollows. The railings formed between the multiple hollows can be used to tie ropes to fix the refrigerator;

[0038] The scraper 62 consists of three parts, one of which is arranged inside the rail 2 and the bottom surface is at the same level as the lowest point of the track wheel 3 inside the rail 2, and the other two parts are arranged at one end of the top of the rail 2 and are in contact with the top surface of the rail 2;

[0039] The scraper 62 has a T-shaped side cross-section and an L-shaped cross-section;

[0040] The simulation vehicle 1 includes a carriage for mounting the pothole detection assembly 5 and boarding ramps provided on both sides of the carriage, and fences are provided on both sides of the boarding ramps for use with the simulation platform 54;

[0041] Working principle:

[0042] Before using the automatic freezer tester, the freezer to be tested can be pushed onto the simulation table 54 via the slope away from the winding wheel 41, and then the freezer can be fixed on the simulation table 54 using tools such as tying ropes.

[0043] When performing a specific test, the winding motor 42 can be turned on, and the winding motor 42 drives the winding wheel 41 to rotate, and the pull rope 45 is wound and reeled through the winding wheel 41, and the simulation vehicle 1 is pulled as a whole toward the winding wheel 41 by the winding pull rope 45, so that the track wheels 3 on both sides of the simulation vehicle 1 rotate inside the vehicle track 2, so that the simulation vehicle 1 drives the refrigerator to move synchronously. At this time, the forward speed of the simulation vehicle 1 can be controlled by controlling the speed of the winding motor 42. When the simulation vehicle 1 drives the baffle 44 to move to a position that conflicts with the stop plate 43, the simulation vehicle 1 stops moving forward due to the emergency brake under the stopping action of the stop plate 43. At this time, the winding motor 42 stops rotating synchronously, thereby simulating the emergency braking situation during the transportation of the refrigerator and testing the shaking of the refrigerator during the emergency brake.

[0044] At the same time as the above-mentioned brake test is performed, the driving motor 59 can be turned on at the same time, and the transmission action between the driving motor 59 and the two chains 57 drives the two pairs of sprockets 56 to rotate clockwise, so that the two pairs of sprockets 56 drive the two chains 57 to rotate synchronously clockwise, so that the two pairs of sprockets 56 drive multiple groups of lifting blocks 58 to rotate synchronously. When two groups of lifting blocks 58 rotate to a position that conflicts with the two pairs of rollers 53, the two groups of lifting blocks 58 respectively drive the two pairs of rollers 53 to rotate through the friction between the rollers 53 and conflict with the two pairs of rollers 53 to rise, so that the two pairs of rollers 53 simultaneously push the simulation platform 54 through the square rod 52. The simulation platform 54 rises step by step so that the cold cabinet can rise synchronously with the simulation platform 54. When the two sets of lifting blocks 58 move to the side of the two pairs of rollers 53 away from the winding wheel 41, the two sets of lifting blocks 58 release the lifting effect between the two pairs of rollers 53. At this time, the simulation platform 54 moves downward and resets under the action of the cold cabinet and its own gravity, and pushes the rollers 53 to move downward and reset synchronously through the square rod 52, so that the simulation platform 54 falls on the two supporting plates 51, and reciprocates in sequence, so as to simulate the pothole section during the transportation of the cold cabinet and conduct synchronous testing of the shaking of the cold cabinet when passing through the pothole section, so as to ensure the comprehensiveness of the test and the authenticity of the results.

[0045] After simulating the above two transport situations, the refrigerator is tested and pushed down the slope on the side of the simulation vehicle 1.

[0046] The track wheel 3 rotates inside the track 2, and when the simulated vehicle 1 moves toward the direction close to the winding motor 42, the scraper 62 moves synchronously inside the track 2, so that the dust and impurities inside and on the top of the track 2 are scraped off by the scraper 62, thereby cleaning the track 2; at the same time, the track wheel 3 drives the round pin 69 to rotate synchronously, and the round pin 69 slides inside the special-shaped plate 68 while rotating, and drives the special-shaped plate 68 to slide up and down on the outside of the positioning rod 67. When the special-shaped plate 68 moves up, the special-shaped plate 68 pulls the slider 64 to move away from the simulated vehicle 1 through the connecting rod 66, so that the slider 64 brings The movable paddle plate 65 moves synchronously. When the special-shaped plate 68 moves downward, the special-shaped plate 68 pushes the slider 64 to move in the direction close to the simulated vehicle 1 through the connecting rod 66, so that the slider 64 drives the paddle plate 65 to move synchronously, reciprocating in sequence. While the scraper 62 cleans the dust in the vehicle track 2, it drives the paddle plate 65 to move back and forth on one side of the scraper 62, so that when the dust and impurities cleaned by the scraper 62 overflow the vehicle track 2, they are pushed to both sides to prevent the overflowed dust and impurities from falling into the vehicle track 2 again, affecting the use of the track wheel 3, making the moving speed of the simulated vehicle 1 stable, and avoiding affecting the detection result of the brake detection mechanism 4.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A refrigerator automatic tester, comprising a simulation vehicle (1) and two vehicle tracks (2), characterized in that: The two vehicle rails (2) are fixedly connected to the ground by bolts, a pair of track wheels (3) used in conjunction with the vehicle rails (2) are rotatably connected to both sides of the simulation vehicle (1), a brake detection mechanism (4) capable of simulating emergency braking for detection is provided on one side of the simulation vehicle (1), and a pothole detection component (5) capable of simulating pothole-prone road sections for detection is provided inside the simulation vehicle (1); The brake detection mechanism (4) includes a winding wheel (41) arranged on one side of the forward direction of the simulation vehicle (1); An auxiliary simulation mechanism (6) capable of automatically cleaning the vehicle track (2) when the simulated vehicle (1) moves forward is provided on one side of the forward direction of the two pairs of track wheels (3); The auxiliary simulation mechanism (6) includes a third mounting seat (61) arranged on a side of the simulation wheel close to the winding wheel (41), and the mounting seat (61) is fixedly connected to the simulation vehicle (1), a scraper (62) is fixedly connected to one end of the bottom of the mounting seat (61), a sliding groove is provided on the side of the scraper (62) away from the track wheel (3), and the sliding groove is provided inside the mounting seat (61), a fixed rod (63) is fixedly connected to the inside of the sliding groove, and a slider (64) is slidably connected to the outside of the fixed rod (63), and the bottom end of the slider (64) is fixedly connected to the A paddle (65) is connected to the slider (64) for use with the scraper (62). A connecting rod (66) is hinged at one end of the top of the slider (64). A positioning rod (67) is fixedly connected to one end of the top of the mounting seat (61). The outside of the positioning rod (67) is slidably connected to a special-shaped plate (68). The end of the connecting rod (66) away from the slider (64) is hinged to the special-shaped plate (68). A round pin (69) is fixedly connected to the side of the track wheel (3) away from the simulation vehicle (1). A through groove for use with the round pin (69) is provided on the surface of the special-shaped plate (68).

2. The automatic freezer detector according to claim 1, characterized in that: The reel (41) wheel frame is fixedly connected to the ground by bolts, and the reel (41) is arranged on one side of the two rails (2); a reeling motor (42) is arranged on one side of the reel (41) wheel frame; one end of the output shaft of the reeling motor (42) is fixedly connected to the reel (41) wheel axle, and the reeling motor (42) is fixedly installed above the wheel frame bottom plate through a first mounting seat; a stop plate (43) is fixedly connected between the two rails (2) by bolts, and the stop plate (43) is arranged on one side of the two rails (2) close to the reeling motor (42); a baffle (44) used in conjunction with the stop plate (43) is fixedly connected to one end of the bottom of the simulation car (1); a pull rope (45) is fixedly connected to the side of the baffle (44) close to the stop plate (43); and the end of the pull rope (45) away from the baffle (44) is fixedly connected to the reel (41).

3. The automatic freezer detector according to claim 2, characterized in that: The pothole detection assembly (5) comprises two supporting plates (51) fixedly connected to the interior of the simulation vehicle (1); a pair of square rods (52) are slidably connected to the interior of the two supporting plates (51); the bottom ends of the pair of square rods (52) extend below the supporting plates (51) and are fixedly connected to rollers (53); the top ends of the pair of square rods (52) extend above the supporting plates (51) and are fixedly connected to the same simulation platform (54).

4. The automatic freezer detector according to claim 3, characterized in that: A pair of connecting shafts (55) are rotated inside the simulation car (1), and the pair of connecting shafts (55) are both arranged below the supporting plate (51). A pair of sprockets (56) are fixedly sleeved on the outside of the pair of connecting shafts (55), and a chain (57) is movably sleeved on the outside of the two pairs of sprockets (56). Multiple groups of lifting blocks (58) used in conjunction with the roller (53) are arranged between the two chains (57). The cross-sectional shape of the multiple groups of lifting blocks (58) are all right triangles with inclined surfaces, and the number of each group of lifting blocks (58) is three. A driving motor (59) is fixedly installed on one side of the simulation car (1) through a second mounting seat, and one end of the output shaft of the driving motor (59) extends to the inside of the simulation car (1) and is fixedly connected to one of the connecting shafts (55).

5. The automatic freezer detector according to claim 4, characterized in that: A notch for use with a pull rope (45) is provided at one end of the top of the stop plate (43), and the side cross-section of the stop plate (43) is U-shaped.

6. The automatic freezer detector according to claim 5, characterized in that: The side cross-section of the simulation platform (54) is U-shaped, and the side panels on both sides of the simulation platform (54) are evenly provided with multiple hollows, and the railings formed between the multiple hollows can be used for tying ropes to fix the refrigerator.

7. The automatic refrigerator detector according to claim 6, characterized in that: The scraper (62) comprises three parts, one of which is arranged inside the rail (2) and has a bottom surface that is on the same horizontal line as the lowest point of the track wheel (3) inside the rail (2), and the other two parts are arranged at one end of the top of the rail (2) and are in contact with the top surface of the rail (2).

8. The automatic refrigerator detector according to claim 7, characterized in that: The scraper (62) has a T-shaped side section and an L-shaped cross section.

9. The automatic detector for refrigerators according to claim 8, characterized in that: The simulation vehicle (1) comprises a carriage for installing a pothole detection component (5) and boarding ramps arranged on both sides of the carriage, and fences for use with a simulation platform (54) are arranged on both sides of the boarding ramps.

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