Impact testing machine with protection structure

Abstract

The utility model relates to the technical field of impact test, and discloses an impact testing machine with a protection structure, which comprises a testing machine body and a placing seat, the testing machine body is connected with a test protection mechanism, the test protection mechanism comprises a screw rod, the screw rod is rotatably connected in the testing machine body through a bearing, and the placing seat is arranged on the screw rod. The screw rod is in threaded connection with a first threaded plate and a second threaded plate, a limiting rod is fixedly connected in the testing machine body, and the first threaded plate penetrates through the limiting rod and is in sliding connection with the limiting rod. Through the arrangement of a rotating rod, a first threaded plate is separated from threaded connection with a screw rod under the rotation of the screw rod and the limiting of a limiting rod, so that a threaded connection mode is not available on the rotating rod any more, the first threaded plate drives an impact plate to fall down and smash the luggage, and the impact test effect is achieved; and the second threaded plate can descend to drive the protection plate to descend, and the front-back protection effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of impact testing, in particular to an impact testing machine with a protection structure. Background Art

[0002] A luggage shock impact testing machine is used to test the handle of a suitcase, the connection tightness of the luggage, and the shock resistance of the overall structure. The testing method is to load a specified load in the luggage and conduct 2500 tests on the specimen at a speed of 30 times per minute with an impact stroke of 4 inches. The test results can be used as a reference for quality improvement.

[0003] After retrieval, a Chinese patent with the publication number CN213632601U discloses a luggage shock impact testing machine, including a testing machine main body. An impact mechanism is fixedly connected to the outer surface of the upper end of the testing machine main body, and a telescopic mechanism is fixedly connected to the outer ring of the lower outer surface of the impact mechanism. The disclosed luggage shock impact testing machine can, to a certain extent, adjust the impact height through the provided telescopic mechanism. When using the adjustment function, the pressing bead can be moved to the specified fixed through hole through the sliding track. By providing a first baffle and a second baffle, the splashing luggage fragments can be blocked to a certain extent. The protection mechanism can be fixed to the telescopic mechanism through the provided bolt connection block and the third fixing screw. The buffer layer is made of fiberglass cloth and cotton, which can reduce the impact force generated by the splashing luggage fragments to a certain extent and protect the safety of people when using the testing machine main body to a certain extent.

[0004] However, most of the existing luggage shock impact tests are conducted by manually pulling and testing the handle and the lifting handle. There is a lack of protection effect during the test, which is likely to cause injury to the staff. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides an impact testing machine with a protection structure.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present utility model provides the following technical solutions: An impact testing machine with a protection structure, including a testing machine body and a placement seat. A test protection mechanism is connected to the testing machine body. The test protection mechanism includes: a screw rod, which is rotatably connected to the testing machine body through a bearing. A first threaded plate and a second threaded plate are threadedly connected to the screw rod. A limiting rod is fixedly connected in the testing machine body. The first threaded plate penetrates through the limiting rod and is slidably connected to the limiting rod. An impact plate is fixedly connected to the bottom of the first threaded plate. A protection plate is fixedly connected to the second threaded plate.

[0009] Preferably, the placement seat is installed on the ground and is in the vertical direction of the center line of the testing machine body. By setting the placement seat, it is used to place the luggage case and fix the position of the luggage case to receive the impact force brought by the falling of the impact plate.

[0010] Preferably, a rotating rod is fixedly connected to the screw rod. The bottom end of the rotating rod is fixedly connected to a first motor through a coupling. The first motor is fixedly connected to a first machine box. The first machine box is fixedly connected in the testing machine body. By setting the rotating rod, under the rotation of the screw rod and the limitation of the limiting rod, the first threaded plate is disengaged from the threaded connection with the screw rod until it no longer has a threaded connection method on the rotating rod, so that the first threaded plate drives the impact plate to fall downward and hit the luggage case, achieving the effect of impact testing. And the second threaded plate will follow and descend to drive the protection plate to fall, achieving the effect of front and rear protection.

[0011] Preferably, a sponge pad is fixedly connected to the top of the first machine box. By setting the sponge pad, it can offset the impact force brought by the falling of the first threaded plate and the impact plate, achieving a protective effect.

[0012] Preferably, an auxiliary mechanism is connected to the top of the testing machine body. The auxiliary mechanism includes: a mounting seat. A fixed pulley is connected to the mounting seat. A rope is wound around the fixed pulley. One end of the rope is fixedly connected to the first threaded plate. By setting the fixed pulley, the height of the first threaded plate can be controlled by winding the fixed pulley with the rope.

[0013] Preferably, a second machine box is fixedly connected to the mounting seat. A second motor is installed inside the second machine box. The output shaft of the second motor is fixedly connected to the rotating shaft of the fixed pulley, and a brake is provided on the second motor. By setting the second motor, the second motor is convenient for directly controlling the fixed pulley to wind the rope, and the presence of the brake can facilitate achieving a stable effect.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides an impact testing machine with a protection structure, having the following beneficial effects:

[0016] 1. The impact testing machine with a protective structure is provided with a placement seat for placing the luggage case and fixing its position, which is used to receive the impact force brought by the falling impact plate. By setting a rotating rod, under the rotation of the screw rod and the limitation of the limiting rod, the first threaded plate is disengaged from the threaded connection with the screw rod until it no longer has a threaded connection with the rotating rod. Thus, the first threaded plate drives the impact plate to fall downward and hit the luggage case, achieving the effect of impact testing. And the second threaded plate will follow and descend to drive the protective plate to fall, achieving the effect of front and rear protection.

[0017] 2. The impact testing machine with a protective structure is provided with a sponge pad, which can offset the impact force brought by the falling of the first threaded plate and the impact plate, achieving the protective effect. By setting a fixed pulley, the height of the first threaded plate can be controlled by winding the rope around the fixed pulley. By setting a second motor, the second motor is convenient for directly controlling the fixed pulley to wind the rope, and the presence of the brake can facilitate achieving a stable effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation to the present invention. In the drawings:

[0019] Figure 1 is the front view of the present invention;

[0020] Figure 2 is the structural schematic diagram of the present invention;

[0021] Figure 3 is the rear view of the present invention.

[0022] In the figure: 1. Test machine body; 2. Placement seat; 3. Test protection mechanism; 301. First chassis; 302. Rotating rod; 303. Screw rod; 304. First threaded plate; 305. Impact plate; 306. Second threaded plate; 307. Limiting rod; 308. Protective plate; 4. Auxiliary mechanism; 401. Second chassis; 402. Mounting seat; 403. Fixed pulley; 404. Rope. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0024] Embodiment 1

[0025] As Figures 1 - 3As shown in the figure, the utility model provides an impact testing machine with a protection structure, which includes a testing machine body 1 and a placing seat 2. A test protection mechanism 3 is connected to the testing machine body 1. The test protection mechanism 3 includes: a screw rod 303, which is rotatably connected to the testing machine body 1 through a bearing. A first threaded plate 304 and a second threaded plate 306 are threadedly connected to the screw rod 303. A limiting rod 307 is fixedly connected in the testing machine body 1. The first threaded plate 304 passes through the limiting rod 307 and is slidably connected to the limiting rod 307. An impact plate 305 is fixedly connected to the bottom of the first threaded plate 304. A protection plate 308 is fixedly connected to the second threaded plate 306.

[0026] The placing seat 2 is installed on the ground and is in the vertical direction of the center line of the testing machine body 1. By setting the placing seat 2, it is used to place the luggage and fix the position of the luggage, so as to receive the impact force brought by the falling of the impact plate 305.

[0027] A rotating rod 302 is fixedly connected to the screw rod 303. The bottom end of the rotating rod 302 is fixedly connected to a first motor through a coupling. The first motor is fixedly connected to a first chassis 301, and the first chassis 301 is fixedly connected in the testing machine body 1. By setting the rotating rod 302, under the rotation of the screw rod 303 and the limitation of the limiting rod 307, the first threaded plate 304 is disengaged from the threaded connection with the screw rod 303. Then, in the way that there is no longer a threaded connection on the rotating rod 302, the first threaded plate 304 drives the impact plate 305 to fall downward and hit the luggage, achieving the effect of impact testing. And the second threaded plate 306 will follow and descend, thus driving the protection plate 308 to fall, achieving the effect of front and rear protection.

[0028] A sponge pad is fixedly connected to the top of the first chassis 301. By setting the sponge pad, it can offset the impact force brought by the falling of the first threaded plate 304 and the impact plate 305, achieving the protection effect.

[0029] In this embodiment, by setting the rotating rod 302, under the rotation of the screw rod 303 and the limitation of the limiting rod 307, the first threaded plate 304 is disengaged from the threaded connection with the screw rod 303. Then, in the way that there is no longer a threaded connection on the rotating rod 302, the first threaded plate 304 drives the impact plate 305 to fall downward and hit the luggage, achieving the effect of impact testing. And the second threaded plate 306 will follow and descend, thus driving the protection plate 308 to fall, achieving the effect of front and rear protection.

[0030] Embodiment 2

[0031] As Figures 1 - 3As shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, an auxiliary mechanism 4 is connected to the top of the test machine body 1. The auxiliary mechanism 4 includes: a mounting seat 402, a fixed pulley 403 is connected to the mounting seat 402, a rope 404 is wound around the fixed pulley 403, and one end of the rope 404 is fixedly connected to the first threaded plate 304. By providing the fixed pulley 403, the height of the first threaded plate 304 can be controlled by winding the fixed pulley 403 and using the rope 404.

[0032] A second chassis 401 is fixedly connected to the mounting seat 402. A second motor is installed inside the second chassis 401. The output shaft of the second motor is fixedly connected to the rotating shaft on the fixed pulley 403, and a brake is provided on the second motor. By providing the second motor, the second motor is convenient for directly controlling the fixed pulley 403 to wind the rope 404, and the presence of the brake can facilitate a stable effect.

[0033] In this embodiment, by providing the fixed pulley 403, the height of the first threaded plate 304 can be controlled by winding the fixed pulley 403 and using the rope 404.

[0034] Next, the working principle of the impact test machine with a protection structure will be specifically described.

[0035] As Figures 1 - 3 shown, when in use, by controlling the first motor to start, the operation of the first motor drives the rotating rod 302 and the screw rod 303 to rotate. Then, under the limitation of the limiting rod 307, the first threaded plate 304 and the second threaded plate 306 are driven to descend until they are disengaged from the threaded connection with the screw rod 303. Then, there is no longer a threaded connection method on the rotating rod 302, so that the first threaded plate 304 drives the impact plate 305 to fall downward and hit the luggage case, achieving the effect of an impact test. And the second threaded plate 306 will follow and descend to drive the protection plate 308 to fall, achieving the effect of front and rear protection. After the test is completed, then control the second motor to start, and pull the second threaded plate 304 to rise in height and engage with the screw rod 303 again by winding the rope 404 on the fixed pulley 403, thereby pulling the second threaded plate 304 back to its original height.

[0036] It should be noted that: in this embodiment, the first motor and the second motor are both common devices in the prior art, and the models and the like adopted can be customized according to actual use requirements. And the power supply interface of the electrical equipment in this utility model is connected to the power supply system through a switch (not shown in the figure) and a wire (not shown in the figure), so as to realize its control. The circuits and controls involved are all in the prior art and are well-known to those skilled in the current field, and will not be elaborated here too much.

[0037] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An impact testing machine with a protective structure, comprising a testing machine body (1) and a placement seat (2), characterized in that: The testing machine body (1) is connected to a testing protection mechanism (3), and the testing protection mechanism (3) comprises: a screw rod (303), the screw rod (303) is rotatably connected to the testing machine body (1) via a bearing, a first threaded plate (304) and a second threaded plate (306) are threadedly connected to the screw rod (303), a limiting rod (307) is fixedly connected to the testing machine body (1), the first threaded plate (304) passes through the limiting rod (307) and is slidably connected to the limiting rod (307), an impact plate (305) is fixedly connected to the bottom of the first threaded plate (304), and a protection plate (308) is fixedly connected to the second threaded plate (306).

2. The impact testing machine with a protective structure according to claim 1, characterized in that: The placement seat (2) is installed on the ground and is located in the vertical direction of the center line of the testing machine body (1).

3. The impact testing machine with a protective structure according to claim 1, characterized in that: The screw rod (303) is fixedly connected to a rotating rod (302), the bottom end of the rotating rod (302) is fixedly connected to a first motor via a coupling, the first motor is fixedly connected to a first chassis (301), and the first chassis (301) is fixedly connected to the testing machine body (1).

4. The impact testing machine with a protective structure according to claim 3, characterized in that: A sponge pad is fixedly connected to the top of the first chassis (301).

5. The impact testing machine with a protective structure according to claim 1, characterized in that: The top of the testing machine body (1) is connected to an auxiliary mechanism (4), and the auxiliary mechanism (4) comprises: a mounting seat (402), a fixed pulley (403) is connected to the mounting seat (402), a rope (404) is wound around the fixed pulley (403), and one end of the rope (404) is fixedly connected to the first threaded plate (304).

6. The impact testing machine with a protective structure according to claim 5, characterized in that: A second chassis (401) is fixedly connected to the mounting seat (402), a second motor is installed inside the second chassis (401), an output shaft of the second motor is fixedly connected to a rotating shaft on a fixed pulley (403), and a brake is provided on the second motor.

Images