Falling test device

Abstract

The utility model relates to the technical field of detection equipment, in particular to a falling test device which comprises two supports, a falling table arranged on the two supports, anti-falling assemblies arranged on the two supports and falling control mechanisms arranged on the two supports. The anti-falling assembly comprises first electric push rods arranged on the two supports and arranged oppositely, fixing plates connected with one ends of the two first electric push rods, a U-shaped frame connected with the upper ends of the two fixing plates, an anti-falling net connected with the lower side of the U-shaped frame, a controller arranged on one side of the falling table and an infrared detector arranged on the inner side of one support. The infrared detector is located above the U-shaped frames, and the two U-shaped frames are symmetrically arranged; the infrared detector, the first electric push rod and the controller are electrically connected; according to the device, through the combination of an infrared detector, two U-shaped frames and an anti-falling net, secondary falling of an object is well avoided, the accuracy of an object falling test is improved, and the product quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a drop test device. Background Art

[0002] Drop test is a key testing parameter for testing the performance of traffic engineering products, which is related to the quality of such products.

[0003] The drop test is a common test in the inspection of traffic engineering products. During the test, the product needs to be placed on a specific support for testing;

[0004] However, during the test, when the object falls and bounces back, a second fall is inevitable. The secondary fall will affect the test accuracy, and whether the parameters are qualified determines the quality of the product. Therefore, a secondary fall prevention test device that can be adapted to various types of transportation products is needed. Utility Model Content

[0005] The utility model aims to provide a drop test device, which is used to solve the problem that an object is prone to secondary falling during the test and affects the test accuracy.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fall test device, comprising two brackets, a fall platform arranged on the two brackets, an anti-fall component arranged on the two brackets, and a fall control mechanism arranged on the two brackets, wherein a fall opening is arranged on the upper side of the fall platform, and the fall control mechanism acts on the fall opening, and the anti-fall component comprises a first electric push rod arranged on the two brackets and arranged relatively, a fixing plate connected to one end of the two first electric push rods, a U-shaped frame connected to the upper ends of the two fixing plates, an anti-fall net connected to the lower side of the U-shaped frame, a controller arranged on one side of the fall platform, and an infrared detector arranged on the inner side of one of the brackets, wherein the infrared detector is located above the U-shaped frame, and the two U-shaped frames are symmetrically arranged; the infrared detector, the first electric push rod and the controller are electrically connected.

[0007] Furthermore, the falling control mechanism includes a second electric push rod arranged on the inner walls of the two brackets, a side panel arranged at one end of the two second electric push rods, and a baffle arranged on the upper side of the two side panels. The two baffles are slidably arranged on the lower side of the falling platform. The two baffles are arranged relative to each other and the area after splicing is larger than the area of ​​the falling opening.

[0008] Furthermore, the bracket includes a supporting vertical plate, two adjusting rods arranged on the supporting vertical plate, and a fixed platform arranged on the two adjusting rods; the upper side of the fixed platform is connected to the lower side of the falling platform, and the second electric push rod is connected to one side of the fixed platform; the first electric push rod and the infrared detector are both arranged on the supporting vertical plate.

[0009] Furthermore, the supporting vertical plate is provided with a square opening, and the U-shaped frame can pass through the square opening and move to one side of the supporting vertical plate.

[0010] Furthermore, the adjustment rod includes an outer cylinder arranged on the upper side of the supporting vertical plate, an inner cylinder slidably arranged in the outer cylinder, the upper side of the inner cylinder is connected to the lower side of the fixed platform, and the outer cylinder and the inner cylinder are both provided with a plurality of adjustment holes, and two of the adjustment holes are provided with latches.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model has the following beneficial effects:

[0013] During the test, when an object falls, the infrared detector will detect the object but will not transmit a signal; the object falls to the ground, and when the object bounces up after falling, the infrared detector detects the object for the second time and transmits a signal to the controller, and the controller controls the two first electric push rods to open, and the two first electric push rods drive the U-shaped frame connected to the fixed plate to move to the opposite side and catch the object, and the object falls onto the two docked anti-fall nets in the two U-shaped frames to prevent the object from falling a second time; and then the device can effectively avoid the secondary falling of the object through the combination of the infrared detector, the two U-shaped frames and the anti-fall net, thereby improving the accuracy of the object falling test and ensuring the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a drop test device of the utility model;

[0015] Figure 2 It is a cross-sectional schematic diagram of a drop test device of the utility model;

[0016] Figure 3 This is a system block diagram of the utility model.

[0017] In the figure: 1. bracket; 2. falling platform; 3. falling opening; 4. second electric push rod; 5. side panel; 6. baffle; 7. supporting vertical plate; 8. square opening; 9. first electric push rod; 10. fixing plate; 11. U-shaped frame; 12. anti-fall net; 13. infrared detector; 14. adjusting rod; 15. outer tube; 16. inner tube; 17. adjusting hole; 18. latch; 19. fixing platform; 20. controller. DETAILED DESCRIPTION

[0018] See also Figure 1-3A fall test device comprises two brackets 1, a fall platform 2 arranged on the two brackets 1, an anti-fall component arranged on the two brackets 1, and a fall control mechanism arranged on the two brackets 1. A fall opening 3 for falling objects is provided on the upper side of the fall platform 2, and the fall control mechanism acts on the fall opening 3. The anti-fall component comprises a first electric push rod 9 arranged on the two brackets 1 and arranged relatively, a fixing plate 10 connected to one end of the two first electric push rods 9, a U-shaped frame 11 connected to the upper ends of the two fixing plates 10, an anti-fall net 12 connected to the lower side of the U-shaped frame 11, a controller 20 arranged on one side of the fall platform 2, and an infrared detector 13 arranged on the inner side of one of the brackets 1, the infrared detector 13 is located above the U-shaped frame 11, and the two U-shaped frames 11 are symmetrically arranged; the infrared detector 13, the first electric push rod 9 and the controller 20 are electrically connected.

[0019] The falling control mechanism includes a second electric push rod 4 arranged on the inner wall of the two brackets 1, a side plate 5 arranged at one end of the two second electric push rods 4, and a baffle 6 fixedly connected to the upper side of the two side plates 5. The side plate 5 is connected to the middle position of the lower side of the baffle 6. The two baffles 6 are slidably arranged on the lower side of the falling platform 2. The two baffles 6 are arranged opposite to each other and the area after splicing is larger than the area of ​​the falling mouth 3. The two baffles 6 are convenient for controlling whether the objects in the falling mouth 3 fall.

[0020] The bracket 1 includes a supporting vertical plate 7, two adjusting rods 14 fixedly connected to the supporting vertical plate 7, and a fixing platform 19 fixedly connected to the two adjusting rods 14; the upper side of the fixing platform 19 is fixedly connected to the lower side of the falling platform 2, and the second electric push rod 4 is detachably connected to one side of the fixing platform 19 by bolt cooperation; the first electric push rod 9 and the infrared detector 13 are both arranged on the supporting vertical plate 7.

[0021] A square opening 8 is provided on one side of the supporting vertical plate 7, and the U-shaped frame 11 can pass through the square opening 8 and move to one side of the supporting vertical plate 7; during the drop test, the U-shaped frame 11 passes through the square opening 8 and moves to one side of the supporting vertical plate 7 to prevent the U-shaped frame 11 from hindering the falling of objects.

[0022] The adjusting rod 14 includes an outer cylinder 15 arranged on the upper side of the supporting vertical plate 7, and an inner cylinder 16 slidably arranged in the outer cylinder 15. The upper side of the inner cylinder 16 is connected to the lower side of the fixed platform 19. A plurality of adjusting holes 17 are arranged on the outer cylinder 15 and the inner cylinder 16. A latch 18 is arranged in two adjusting holes 17. The height of the falling platform 2 is adjusted according to the size of the product, and the length of the adjusting rod 14 is adjusted. The inner cylinder 16 is located in the outer cylinder 15 and slides. After sliding to a suitable length, the latch 18 is inserted into the corresponding two adjusting holes 17 to achieve fixation, thereby completing the adjustment of the height of the falling platform 2. It is convenient to adjust the height of the falling platform 2 according to the size of the item.

[0023] Working principle: Before the test starts, the height of the falling platform 2 is adjusted according to the size of the test object, the length of the adjusting rod 14 is adjusted, the inner cylinder 16 is located in the outer cylinder 15 and slides. After sliding to a suitable length, the latch 18 is inserted into the corresponding two adjusting holes 17 to achieve fixation, and the height of the falling platform 2 is adjusted so that the height of the falling platform 2 meets the specification requirements; then the test object is placed in the falling opening 3, and the two baffles 6 prevent the object from falling downward, and then the test starts by pressing the button on the controller 20. Under the control of the controller 20, the two second electric push rods 4 are opened, driving the baffles 6 connected to the two side panels 5 to move to the opposite side, and the object in the falling opening 3 falls. When the object falls, The infrared detector 13 will detect the object but will not transmit a signal; when the object falls to the ground and bounces up after falling, the infrared detector 13 detects the object for the second time and transmits a signal to the controller 20. The controller 20 controls the two first electric push rods 9 to open, and the two first electric push rods 9 drive the U-shaped frame 11 connected to the fixing plate 10 to move to the opposite side and catch the object. The object falls on the two docked anti-falling nets 12 in the two U-shaped frames 11 to prevent the object from falling for the second time. Furthermore, the device can effectively avoid the secondary falling of the object through the combination of the infrared detector 13, the two U-shaped frames 11 and the anti-falling net 12, thereby improving the accuracy of the object falling test and ensuring the quality of the product.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fall test device, comprising two brackets (1), a fall platform (2) arranged on the two brackets (1), an anti-fall assembly arranged on the two brackets (1), and a fall control mechanism arranged on the two brackets (1), wherein a fall opening (3) is arranged on the upper side of the fall platform (2), characterized in that: The falling control mechanism acts on the falling opening (3), and the anti-falling assembly comprises a first electric push rod (9) arranged on two brackets (1) and arranged in a relative manner, a fixing plate (10) connected to one end of the two first electric push rods (9), a U-shaped frame (11) connected to the upper ends of the two fixing plates (10), an anti-falling net (12) connected to the lower side of the U-shaped frame (11), a controller (20) arranged on one side of the falling platform (2), and an infrared detector (13) arranged on the inner side of one of the brackets (1), wherein the infrared detector (13) is located above the U-shaped frame (11), and the two U-shaped frames (11) are arranged symmetrically; the infrared detector (13), the first electric push rod (9) and the controller (20) are electrically connected.

2. A drop test device as claimed in claim 1, characterized in that: The falling control mechanism comprises a second electric push rod (4) arranged on the inner wall of the two brackets (1), a side plate (5) arranged at one end of the two second electric push rods (4), and a baffle (6) arranged on the upper side of the two side plates (5); the two baffles (6) are slidably arranged on the lower side of the falling platform (2); the two baffles (6) are arranged opposite to each other and the area after splicing is larger than the area of ​​the falling opening (3).

3. A drop test device as claimed in claim 2, characterized in that: The bracket (1) comprises a supporting vertical plate (7), two adjusting rods (14) arranged on the supporting vertical plate (7), and a fixing platform (19) arranged on the two adjusting rods (14); the upper side of the fixing platform (19) is connected to the lower side of the falling platform (2), and the second electric push rod (4) is connected to one side of the fixing platform (19); the first electric push rod (9) and the infrared detector (13) are both arranged on the supporting vertical plate (7).

4. A drop test device as claimed in claim 3, characterized in that: The supporting vertical plate (7) is provided with a square opening (8), and the U-shaped frame (11) can pass through the square opening (8) and move to one side of the supporting vertical plate (7).

5. A drop test device as claimed in claim 3, characterized in that: The adjusting rod (14) comprises an outer cylinder (15) arranged on the upper side of the supporting vertical plate (7), and an inner cylinder (16) slidably arranged in the outer cylinder (15), the upper side of the inner cylinder (16) being connected to the lower side of the fixing platform (19), and a plurality of adjusting holes (17) being provided on the outer cylinder (15) and the inner cylinder (16), and latches (18) being provided in two of the adjusting holes (17).

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