Protruding impact device for automobile test

Abstract

The utility model belongs to the technical field of automobile testing, and particularly relates to a projection impact device for automobile testing, which comprises a bottom plate, a cavity is arranged on the bottom plate, the top of the bottom plate is rotatably connected with a circular plate, and the bottom of the circular plate extends into the cavity and is fixedly connected with a first gear. A first driving motor is fixedly connected to the inner wall of the bottom of the cavity, and an output shaft of the first driving motor is fixedly connected with a second gear. The first driving motor is started, the first driving motor drives the second gear to rotate, the second gear drives the circular plate to rotate through the first gear, the circular plate drives the protruding block to rotate through the clamping block, so that the angle of the protruding block is adjusted, meanwhile, the rotary knob is rotated, the rotary knob drives the lead screw to rotate, and the lead screw drives the clamping block to move. Under the action of opposite thread turning directions, the two clamping blocks move away from each other, so that the convex blocks can be taken down for replacement, the impact test requirements of various angles are met, the utilization rate of the test device is improved, and the test cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile test technology, concretely is a kind of convex impact device for automobile test. BACKGROUND

[0002] In the field of automobile test, the impact resistance of tire is a crucial evaluation index.Tire is the only component that contacts the ground as automobile, not only bears the weight of automobile, also directly influences the controllability, stability and safety of vehicle.Therefore, the strict impact resistance test of tire is the necessary link to ensure the safe driving of automobile, in the impact resistance test of tire, convex impact test is a kind of test method simulating the collision of tire and convex obstacle (such as shoulder, pothole etc.) in actual road.This test can directly reflect the deformation, rupture and damage condition of tire when being impacted, and provide important data support for tire design and manufacture;

[0003] However, the convex impact device for automobile test in the prior art has the problem of unadjustable convex block angle during convex impact test, specifically, the angle of convex block in these devices cannot be changed once fixed, which means that the test can only be carried out at a fixed angle, and various angle impact conditions that tire may encounter in actual road cannot be simulated.This limitation makes the result of convex impact test have certain one-sidedness, and it is difficult to comprehensively reflect the performance of tire under different angle impact, therefore, we propose a convex impact device for automobile test to solve the above problems. CONTENT OF UTILITY MODEL

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a convex impact device for automobile test, which solves the problems proposed in the above background technology.

[0006] (II) technical scheme

[0007] The utility model discloses in order to realize the above-mentioned purpose specifically adopts following technical scheme:

[0008] The utility model provides a convex impact device for car test, including the bottom plate, is equipped with cavity on the bottom plate, the top of bottom plate rotatory connection has the circular board, the bottom of circular board extends to the cavity and is fixedly connected with first gear, the bottom inner wall of cavity is fixedly connected with first drive motor, the output shaft of first drive motor is fixedly connected with second gear, first gear and second gear are engaged, the top of circular board is equipped with the recess, both sides inner wall of recess rotatory connection has the screw rod, one end of screw rod extends to the outside of circular board and is welded with the knob, is connected with the clamping block on the screw rod, and the movable contact of two clamping blocks has the convex block, and the recess of clamping block is slidably connected.

[0009] Further, the ends of the two screw rods are fixedly connected to each other, and the screw threads of the two screw rods are opposite in rotation direction.

[0010] Further, the top of the bottom plate is fixedly connected with two L-shaped plates, and the top inner wall of the L-shaped plate is fixedly connected with a hydraulic rod.

[0011] Further, the output end of the hydraulic rod is fixedly connected with a connecting plate, and one side of the connecting plate is rotatably connected with an electric push rod.

[0012] Further, the output end of the electric push rod is fixedly connected with a clamping plate, one side of one of the connecting plates is fixedly connected with a second drive motor, and the end of one of the electric push rods is fixedly connected with the output shaft of the second drive motor.

[0013] Further, the top inner wall of the cavity is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a bearing, and the inner side of the inner ring of the bearing is welded with the outer side of the circular plate.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the convex impact device for car test has the following beneficial effects:

[0016] In the utility model, the first drive motor is started, the first drive motor drives the second gear to rotate, the second gear drives the circular plate to rotate through the first gear, the circular plate drives the convex block to rotate through the clamping block, thereby adjusting the angle of the convex block, and at the same time, the knob is rotated, the knob drives the screw rod to rotate, the screw rod drives the clamping block to move, under the action that the screw threads are opposite in rotation direction, the two clamping blocks move in the direction away from each other, thereby the convex block can be taken down for replacement, the impact test requirements of multiple angles are met, the utilization rate of the test device is improved, and the test cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a three-dimensional structure schematic diagram for the utility model;

[0018] Figure 2 The utility model discloses a three-dimensional structure schematic diagram for the utility model bottom plate cut open;

[0019] Figure 3 The utility model discloses a three-dimensional structure schematic diagram for the utility model part;

[0020] Figure 4 The utility model discloses a three-dimensional structure schematic diagram for the utility model connecting plate, electric push rod, clamp plate and second drive motor.

[0021] In the drawing: 1, bottom plate, 2, round plate, 3, first gear, 4, first drive motor, 5, second gear, 6, recess, 7, screw rod, 8, knob, 9, clamping block, 10, protruding block, 11, L-shaped plate, 12, hydraulic rod, 13, connecting plate, 14, electric push rod, 15, second drive motor, 16, clamp plate, 17, cavity. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0023] Embodiments

[0024] As Figures 1-4The utility model discloses a kind of protruding impact devices for automobile test, including bottom plate 1, cavity 17 is set on bottom plate 1, the top of bottom plate 1 is rotatably connected with circular plate 2, the bottom of circular plate 2 extends into cavity 17 and is fixedly connected with first gear 3, first driving motor 4 is fixedly connected on the bottom inner wall of cavity 17, the output shaft of first driving motor 4 is fixedly connected with second gear 5, first gear 3 is engaged with second gear 5, recess 6 is set on the top of circular plate 2, both side inner walls of recess 6 are rotatably connected with screw rod 7, the end of one of two screw rods 7 extends to the outside of circular plate 2 and is welded with knob 8, clamping block 9 is threadedly connected on screw rod 7, movable contact has protruding block 10 between two clamping blocks 9, clamping block 9 is slidably connected with recess 6, the end of two screw rods 7 is fixedly connected by being mutually close, the thread rotation direction of two screw rods 7 is opposite, start first driving motor 4, first driving motor 4 drives second gear 5 to rotate, second gear 5 drives circular plate 2 to rotate by first gear 3, circular plate 2 drives protruding block 10 to rotate by clamping block 9, to adjust the angle of protruding block 10, can satisfy the impact test requirement of multiple angles, rotate knob 8 simultaneously, knob 8 drives screw rod 7 to rotate, screw rod 7 drives clamping block 9 to move, under the action of opposite thread rotation direction, so that two clamping blocks 9 move to the direction of mutually away, so that protruding block 10 can be removed and replaced.

[0025] In some embodiments, the top of bottom plate 1 is fixedly connected with two L-shaped plates 11, the top inner wall of L-shaped plate 11 is fixedly connected with hydraulic rod 12, the setting of L-shaped plate 11 plays a supporting role.

[0026] In some embodiments, the output end of hydraulic rod 12 is fixedly connected with connecting plate 13, one side of connecting plate 13 is rotatably connected with electric push rod 14, the output end of electric push rod 14 is fixedly connected with clamping plate 16, one side of one of two connecting plates 13 is fixedly connected with second driving motor 15, the end of one of two electric push rods 14 is fixedly connected with the output shaft of second driving motor 15, the setting of electric push rod 14 realizes the role of automation.

[0027] In some embodiments, mounting hole is set on the top inner wall of cavity 17, bearing is fixedly connected on the inner wall of mounting hole, the inner side of inner ring of bearing is welded with the outer side of circular plate 2, by welding, the fixation between bearing and circular plate 2 is more firm.

[0028] The working principle or structural principle is that when in use, the tire is placed between the two clamping plates 16, then the electric push rod 14 is started to drive the corresponding clamping plate 16 to move, the tire is fixed by the two clamping plates 16, then the hydraulic rod 12 and the second driving motor 15 are started, the second driving motor 15 drives the corresponding clamping plate 16 to rotate through the electric push rod 14, the clamping plate 16 drives the tire to rotate, the hydraulic rod 12 drives the corresponding connecting plate 13 to move downward, the connecting plate 13 drives the tire to move downward through the clamping plate 16 and impact the protrusion 10 to test, when the angle of the protrusion 10 needs to be adjusted, the first driving motor 4 is started to drive the second gear 5 to rotate, the second gear 5 drives the circular plate 2 to rotate through the first gear 3, the circular plate 2 drives the protrusion 10 to rotate through the clamping block 9, so that the angle of the protrusion 10 is adjusted, the impact test requirements of various angles can be met, at the same time, the knob 8 is rotated, the knob 8 drives the lead screw 7 to rotate, the lead screw 7 drives the clamping block 9 to move, under the action of opposite screw threads, the two clamping blocks 9 move in the direction of moving away from each other, so that the protrusion 10 can be taken down and replaced.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A raised impact device for automotive testing comprising a base plate (1) characterised in that: The bottom plate (1) is provided with a cavity (17), the top of the bottom plate (1) is rotatably connected with a circular plate (2), the bottom of the circular plate (2) extends into the cavity (17) and is fixedly connected with a first gear (3), the bottom inner wall of the cavity (17) is fixedly connected with a first driving motor (4), the output shaft of the first driving motor (4) is fixedly connected with a second gear (5), the first gear (3) is engaged with the second gear (5), the top of the circular plate (2) is provided with a groove (6), the inner walls on both sides of the groove (6) are rotatably connected with lead screws (7), one end of one of the two lead screws (7) extends out of the circular plate (2) and is welded with a knob (8), the lead screw (7) is threadedly connected with a clamping block (9), the two clamping blocks (9) are movably connected with a protruding block (10), and the clamping block (9) is slidably connected with the groove (6).

2. The raised impact device for testing a vehicle of claim 1, wherein: The ends of the two lead screws (7) are fixedly connected, and the screw rotation directions of the two lead screws (7) are opposite.

3. The raised impact device for testing a vehicle of claim 1, wherein: The top of the bottom plate (1) is fixedly connected with two L-shaped plates (11), and the top inner wall of the L-shaped plate (11) is fixedly connected with a hydraulic rod (12).

4. The raised impact device for testing a vehicle of claim 3, wherein: The output end of the hydraulic rod (12) is fixedly connected with a connecting plate (13), and one side of the connecting plate (13) is rotatably connected with an electric push rod (14).

5. A raised impact device for testing a vehicle as defined in claim 4, wherein: The output end of the electric push rod (14) is fixedly connected with a clamping plate (16), one side of one of the two connecting plates (13) is fixedly connected with a second driving motor (15), and the end of one of the two electric push rods (14) is fixedly connected with the output shaft of the second driving motor (15).

6. The raised impact device of claim 1, wherein: The top inner wall of the cavity (17) is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a bearing, and the inner side of the inner ring of the bearing is welded with the outer side of the circular plate (2). The top inner wall of the cavity (17) is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a bearing, and the inner side of the inner ring of the bearing is welded with the outer side of the circular plate (2).

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