Automobile bumper safety testing device

Abstract

The utility model relates to the technical field of bumper testing, in particular to a safety testing device for an automobile bumper. According to the technical scheme, the automobile bumper comprises a floor, a sliding plate, a back plate and a shaft head, the sliding plate is arranged on the upper surface of the floor in a sliding mode through a pneumatic assembly, a bumper body is installed on the sliding plate through bolts, the back plate is arranged on the floor, a motor is arranged on the upper surface of the back plate in a sliding mode through a lead screw assembly, and a plug is fixed to the output end of the motor. The shaft head is rotatably arranged on the back plate, one end of the shaft head is provided with a force arm, the bottom end of the force arm is provided with a hammer head, the hammer head is right opposite to the bumper body, and the other end of the shaft head is mutually inserted with the plug. According to the utility model, through the cooperation of the structures, the residual pendulum action of the pendulum bob can be effectively prevented from acting on the bumper, the bumper is prevented from being subjected to secondary collision, and the subsequent analysis on the collision state of the bumper is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bumper testing, in particular to a vehicle bumper safety testing device. Background Art

[0002] In the automobile manufacturing industry, car bumpers must pass impact tests before they can be put into use.

[0003] During the pendulum impact test, after the impact test is completed, the residual swing of the pendulum will continue to cause a secondary collision with the test object 'bumper', thereby affecting the subsequent analysis of the bumper impact test.

[0004] Therefore, we propose a car bumper safety testing device to solve the existing problems. Utility Model Content

[0005] The utility model aims to provide a vehicle bumper safety testing device in view of the problems existing in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car bumper safety testing device, comprising a floor, a skateboard, a back plate and an axle head, the upper surface of the floor is slidably provided with a skateboard through a pneumatic component, a bumper body is mounted on the skateboard through bolts, the back plate is arranged on the floor, a motor is slidably provided on the upper surface of the back plate through a screw assembly, a plug is fixed to the output end of the motor, the axle head is rotatably arranged on the back plate, a force arm is arranged at one end of the axle head, a hammer head is arranged at the bottom end of the force arm, the hammer head is opposite to the bumper body, and the other end of the axle head is plugged into the plug.

[0007] Preferably, the pneumatic component is composed of a sliding rod, a cylinder, a base and a pressure sensor, the base is arranged on the upper surface of the floor, the cylinder is fixed on the upper surface of the base, the pressure sensor is fixed on the output end of the cylinder, the working end of the pressure sensor is fixed on the slide, and the slide is in sliding contact with the floor.

[0008] Preferably, one end of the slide rod is fixed on the slide plate, and the other end of the slide rod is movably plugged into the base.

[0009] Preferably, the screw assembly is composed of a slider, a screw and a slide groove, the slider is fixed on the outer wall of the motor, the slide groove is opened on the back plate, the screw is rotatably arranged in the slide groove, and the bottom end of the slider is slidably arranged in the slide groove and is in a threaded engagement state between the screw rods.

[0010] Preferably, a support base is provided on the lower surface of the floor, and there are four support bases in total, and the positions of the four support bases are distributed in a rectangular array on the lower surface of the floor.

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

[0012] During use, the automobile bumper safety test device of the utility model can fix the automobile bumper to be tested on a slide plate, connect an external power supply, and push the slide plate to a designated position on the floor through a pneumatic component;

[0013] Then the motor is controlled to rotate through the plug to drive the shaft head, so that the hammer head can be moved to a specified height in the air through the force arm, and then the motor stops working. Then the motor is driven to move through the screw assembly, so that the plug is separated from the shaft head. At this time, the hammer head falls under the action of gravity and hits the car bumper;

[0014] At the same time of impact, the pressure sensor detects the pressure signal and controls the cylinder to retract, so that the slide plate drives the bumper body away from the running track of the hammer head;

[0015] The utility model can effectively prevent the residual swing of the pendulum from acting on the bumper through structural coordination, thereby preventing the bumper from being subjected to a secondary collision and facilitating subsequent analysis of the impact state of the bumper. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the pneumatic component of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the screw assembly of the utility model.

[0020] Reference numerals:

[0021] 1. Floor; 2. Support seat; 3. Slide rod; 4. Cylinder; 5. Base; 6. Slide plate; 7. Hammer head; 8. Bumper body; 9. Back plate; 10. Slider; 11. Motor; 12. Shaft head; 13. Lever; 14. Plug; 15. Screw; 16. Slide groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] like Figure 1-Figure 4 As shown, the utility model proposes a vehicle bumper safety test device, comprising a floor 1, a slide plate 6, a back plate 9 and a shaft head 12, the upper surface of the floor 1 is slidably provided with a slide plate 6 through a pneumatic component, a bumper body 8 is installed on the slide plate 6 through bolts, the back plate 9 is arranged on the floor 1, a motor 11 is slidably provided on the upper surface of the back plate 9 through a screw assembly, a plug 14 is fixed to the output end of the motor 11, the shaft head 12 is rotatably arranged on the back plate 9, a force arm 13 is provided at one end of the shaft head 12, a hammer head 7 is provided at the bottom end of the force arm 13, the hammer head 7 is opposite to the bumper body 8, and the other end of the shaft head 12 is plugged into the plug 14.

[0025] Based on Example 1:

[0026] During use of the automobile bumper safety test device of the utility model, the automobile bumper to be tested can be fixed on the slide plate 6, connected to an external power supply, and the slide plate 6 is pushed to a designated position on the floor 1 through a pneumatic component;

[0027] Then the motor 11 is controlled to work and drive the shaft head 12 to rotate through the plug 14, so that the hammer head 7 can be moved to a specified height in the air through the lever arm 13, and then the motor 11 stops working, and then the motor 11 is driven to move through the screw assembly, so that the plug 14 is separated from the shaft head 12, and at this time the hammer head 7 falls under the action of gravity and hits the car bumper;

[0028] During the collision, the pressure sensor 17 detects a pressure signal and controls the cylinder 4 to retract, so that the slide plate 6 drives the bumper body 8 away from the running track of the hammer head 7 .

[0029] Embodiment 2

[0030] like Figure 1-Figure 4As shown, the utility model proposes a vehicle bumper safety test device. Compared with the first embodiment, this embodiment also includes: the pneumatic component is composed of a slide bar 3, a cylinder 4, a base 5 and a pressure sensor 17, the base 5 is arranged on the upper surface of the floor 1, the cylinder 4 is fixed on the upper surface of the base 5, the pressure sensor 17 is fixed on the output end of the cylinder 4, and the working end of the pressure sensor 17 is fixed on the slide plate 6. The slide plate 6 is in sliding contact with the floor 1. Through the design of the pneumatic component, the cylinder 4 works to drive the slide plate 6 to move linearly on the floor 1. At the same time of impact, the pressure sensor 17 detects the pressure signal and controls the cylinder 4 to retract.

[0031] One end of the slide bar 3 is fixed on the slide plate 6, and the other end of the slide bar 3 is movably plugged into the base 5. Through the design of the slide bar 3, when the slide plate 6 slides, the slide plate 6 drives the slide bar 3 to slide on the base 5, thereby stabilizing the movement trajectory of the slide plate 6.

[0032] The lead screw assembly consists of a slider 10, a screw 15 and a slide groove 16. The slider 10 is fixed to the outer wall of the motor 11, the slide groove 16 is opened on the back plate 9, the screw 15 is rotatably arranged in the slide groove 16, the bottom end of the slider 10 is slidably arranged in the slide groove 16 and is in a threaded engagement state between the screw 15, the power device drives the screw 15 to rotate, and under the principle of the lead screw, the slider 10 moves back and forth in the slide groove 16, thereby controlling the position of the motor 11.

[0033] A support base 2 is disposed on the lower surface of the floor 1 . There are four support bases 2 in total, and the positions of the four support bases 2 are distributed in a rectangular array on the lower surface of the floor 1 .

[0034] It should be noted that the structure of the motor 11 and the cylinder 4 is an existing mature technology, and its working principle and internal structure are known to technicians in the relevant technical field. The utility model only utilizes its function and does not improve its internal structure. Therefore, it will not be described in detail here, and technicians in this field can make any optional adjustments according to their needs or convenience.

[0035] The screw 15 of the present invention also needs to be provided with a power device to enable it to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace and is conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0036] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A vehicle bumper safety testing device, comprising a floor (1), a slide plate (6), a back plate (9) and a shaft head (12), characterized in that: A slide plate (6) is slidably provided on the upper surface of the floor (1) through a pneumatic assembly, a bumper body (8) is mounted on the slide plate (6) through bolts, the back plate (9) is arranged on the floor (1), a motor (11) is slidably provided on the upper surface of the back plate (9) through a screw assembly, a plug (14) is fixed to the output end of the motor (11), the shaft head (12) is rotatably provided on the back plate (9), a force arm (13) is provided at one end of the shaft head (12), a hammer head (7) is provided at the bottom end of the force arm (13), the hammer head (7) is directly opposite to the bumper body (8), and the other end of the shaft head (12) is plugged into the plug (14).

2. The vehicle bumper safety testing device according to claim 1, characterized in that: The pneumatic assembly is composed of a slide rod (3), a cylinder (4), a base (5) and a pressure sensor (17); the base (5) is arranged on the upper surface of the floor (1); the cylinder (4) is fixed on the upper surface of the base (5); the pressure sensor (17) is fixed on the output end of the cylinder (4); the working end of the pressure sensor (17) is fixed on the slide plate (6); and the slide plate (6) is in sliding contact with the floor (1).

3. The vehicle bumper safety testing device according to claim 2, characterized in that: One end of the slide bar (3) is fixed on the slide plate (6), and the other end of the slide bar (3) is movably plugged into the base (5).

4. The vehicle bumper safety testing device according to claim 1, characterized in that: The lead screw assembly is composed of a slider (10), a screw rod (15) and a slide groove (16); the slider (10) is fixed to the outer wall of the motor (11); the slide groove (16) is provided on the back plate (9); the screw rod (15) is rotatably arranged in the slide groove (16); the bottom end of the slider (10) is slidably arranged in the slide groove (16) and is in a threaded engagement state with the screw rod (15).

5. The automobile bumper safety testing device according to claim 1, characterized in that: A support seat (2) is provided on the lower surface of the floor (1), and there are four support seats (2) in total, and the positions of the four support seats (2) are distributed in a rectangular array on the lower surface of the floor (1).

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