Automobile chassis rigidity test platform

Abstract

The utility model relates to an automobile chassis rigidity testing platform, which belongs to the technical field of automobile chassis testing, and comprises a platform frame, a testing box and an underground box body, the inner side of the underground box body is provided with a rigidity testing mechanism for simultaneously testing the lower end and the upper end of an automobile chassis; the rigidity testing mechanism comprises a driving motor fixedly connected to the right side of the testing box, a swinging chain is fixedly connected to the outer side of the mounting sleeve, a testing hammer head is fixedly connected to the tail end of the swinging chain, and an impact column is fixedly connected to the bottom of the lifting platform; the inner side of the test box is provided with a positioning assembly used for limiting the automobile chassis. According to the automobile chassis rigidity test platform, the rigidity test mechanism is arranged, so that the upper end face and the lower end face of the automobile chassis can be tested at the same time, the test efficiency is high, the impact force can be adjusted only by adjusting the oil pressure of the hydraulic cylinder and the rotating speed of the driving motor, and the use process is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile chassis test, specifically is a kind of automobile chassis stiffness test platform. BACKGROUND

[0002] Automobile chassis is an important component of automobile, it is composed of transmission system, running system, steering system and brake system four parts, its function is to accept the engine torque transmitted from transmission system and generates driving force to drive automobile travel;Bear the total weight of automobile, transfer and bear the counterforce and torque of each direction on the wheel by road surface;Bear the impact and vibration of various forces and moments given to automobile by outside, and make it buffer and reduce vibration, ensure the smoothness and steering stability of automobile travel;With steering system coordination and cooperation work, control the travel direction of automobile;With brake system coordination and cooperation work, ensure the safety and stability of automobile.

[0003] In the production process of automobile chassis, test platform needs to be used to test its stiffness, the Chinese utility model patent with publication number CN213600361U discloses a kind of electric vehicle chassis testing device, including fixed base and foot pad, the lower end of fixed base is fixedly connected with several foot pads, the upper end of fixed base is fixedly connected with loading device in the middle left and right symmetry, the upper end of fixed base is provided with the left and right symmetrical sliding slot on both sides, sliding block is slidably connected in sliding slot, and impact testing device is fixedly connected on sliding block;The utility model has the advantages of simple structure and convenient use, a certain load is given to chassis by loading device, after adjusting the position, counterweight and height of impact testing device, releasing impact part, testing the limit performance of chassis impact resistance by impact testing device, the utility model tests the protection ability of chassis to battery pack by the impact test of chassis, and is beneficial to improve chassis quality.

[0004] However, the utility model can only test single end face of automobile chassis, if another end face of automobile chassis is to be tested, it is turned over, and then tested again, the test efficiency is low, and the impact force needs to be adjusted by increasing or decreasing counterweight, so the use process is inconvenient, therefore a kind of automobile chassis stiffness test platform is proposed to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of automobile chassis stiffness test platform, solve the problem that only single end face of automobile chassis can be tested, if another end face of automobile chassis is to be tested, it is turned over, and then tested again, the test efficiency is low, and the impact force needs to be adjusted by increasing or decreasing counterweight, so the use process is inconvenient.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of automobile chassis stiffness test platform, including platform frame, test box and underground box, the inside of underground box is provided with stiffness test mechanism for simultaneously testing the stiffness of lower end and upper end of automobile chassis;

[0008] The stiffness test mechanism includes driving motor fixedly connected at the right side of test box, the output shaft of driving motor is fixedly connected with driving shaft, the middle part of driving shaft is fixedly connected with mounting sleeve, the outside of mounting sleeve is fixedly connected with swing chain, the tail end of swing chain is fixedly connected with test hammer head, the top of platform frame is fixedly connected with hydraulic cylinder, the output shaft of hydraulic cylinder is fixedly connected with lifting platform, the bottom of lifting platform is fixedly connected with impact column, the inside of test box is provided with positioning assembly for limiting automobile chassis.

[0009] Further, the positioning assembly includes support frame fixedly connected to the inside bottom wall of test box, the top of support frame is fixedly connected with limiting frame, the inside of limiting frame is fixedly connected with first positioning plate, the outside of limiting frame is fixedly connected with hydraulic rod, the output shaft of hydraulic rod is fixedly connected with second positioning plate.

[0010] Further, the first positioning plate and the second positioning plate are consistent in size, and are left-right symmetrical distribution.

[0011] Further, the inside of platform frame is fixedly connected with movable rod, and lifting platform is slidingly connected with movable rod.

[0012] Further, the platform frame and test box are steel structures, and the platform frame and test box are fixedly connected to the inside of underground box.

[0013] Further, the top of underground box is fixedly connected with protective fence, and the inside of protective fence is bonded with sound-absorbing cotton pad.

[0014] Further, the front end of protective fence is hingedly connected with protective door, and the outer surface of protective door is fixedly connected with embedded handle.

[0015] Compared with the prior art, the automobile chassis stiffness test platform has the following beneficial effects:

[0016] 1、The automobile chassis stiffness test platform, by setting stiffness test mechanism, driving motor can drive mounting sleeve to rotate through driving shaft, so as to swing test hammer head by swing chain, to hammer the lower end of automobile chassis, at the same time, hydraulic cylinder can drive lifting platform downward continuously by lifting platform, so as to impact the upper end of automobile chassis, so that the upper and lower end surfaces of automobile chassis can be tested simultaneously, the test efficiency is higher, and only the oil pressure of hydraulic cylinder and the rotating speed of driving motor need to be adjusted, the impact force can be adjusted, the use process is more convenient.

[0017] 2、The automobile chassis stiffness test platform, through the setting positioning assembly, the hydraulic rod can push the second positioning plate, so that the second positioning plate gradually approaches the first positioning plate, and then the tire part of the automobile chassis is clamped and fixed, so that displacement does not occur during testing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a sectional view of the utility model structure;

[0019] Fig. 2 It is a structure perspective view of the positioning assembly of the utility model;

[0020] Fig. 3 It is a structure front view of the protective fence of the utility model;

[0021] Fig. 4 It is a structure side view of the utility model.

[0022] In the drawing: 1 platform frame, 2 test box, 3 drive motor, 4 drive shaft, 5 installation sleeve, 6 swing chain, 7 test hammer head, 8 hydraulic cylinder, 9 lifting platform, 10 impact column, 11 support frame, 12 limit frame, 13 first positioning plate, 14 hydraulic rod, 15 hydraulic rod, 16 movable rod, 17 underground box body, 18 protective fence, 19 sound-absorbing cotton pad, 20 protective door. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figs. 1 to 4 The automobile chassis stiffness test platform in the embodiment comprises a platform frame 1, a test box 2 and an underground box body 17, and the inside of the underground box body 17 is provided with a stiffness test mechanism for simultaneously testing the stiffness of the lower end and the upper end of the automobile chassis.

[0025] The rigidity test mechanism comprises a driving motor 3 fixedly connected to the right side of the test box 2, an output shaft of the driving motor 3 is fixedly connected with a driving shaft 4, the middle part of the driving shaft 4 is fixedly connected with a mounting sleeve 5, the outer side of the mounting sleeve 5 is fixedly connected with a swinging chain 6, the tail end of the swinging chain 6 is fixedly connected with a test hammer head 7, the top of the platform frame 1 is fixedly connected with a hydraulic cylinder 8, the output shaft of the hydraulic cylinder 8 is fixedly connected with a lifting platform 9, the bottom of the lifting platform 9 is fixedly connected with an impact column 10, the inner side of the test box 2 is provided with a positioning assembly for limiting the automobile chassis, the driving motor 3 can drive the mounting sleeve 5 to rotate through the driving shaft 4, so as to drive the test hammer head 7 to swing through the swinging chain 6, so as to hammer the lower end of the automobile chassis, at the same time, the hydraulic cylinder 8 can continuously impact downward through the lifting platform 9, so as to impact the upper end of the automobile chassis.

[0026] The upper and lower end faces of the automobile chassis can be tested at the same time, the test efficiency is high, and the impact force can be adjusted by only adjusting the oil pressure of the hydraulic cylinder 8 and the rotating speed of the driving motor 3, so that the use process is more convenient.

[0027] In the embodiment, the positioning assembly comprises a support frame 11 fixedly connected to the inner bottom wall of the test box 2, the top of the support frame 11 is fixedly connected with a limiting frame 12, the inner side of the limiting frame 12 is fixedly connected with a first positioning plate 13, the outer side of the limiting frame 12 is fixedly connected with a hydraulic rod 14, the output shaft of the hydraulic rod 14 is fixedly connected with a second positioning plate 15, the hydraulic rod 14 can push the second positioning plate 15, so that the second positioning plate 15 gradually approaches the first positioning plate 13, and then the tire part of the automobile chassis is clamped and fixed, so as to avoid displacement during testing.

[0028] It should be noted that the first positioning plate 13 and the second positioning plate 15 are consistent in size and are symmetrically distributed left and right.

[0029] Specifically, the inner side of the platform frame 1 is fixedly connected with a movable rod 16, the lifting platform 9 is slidingly connected with the movable rod 16, by arranging the movable rod 16, the sliding limiting effect is achieved, and the stability of the lifting platform 9 during lifting can be enhanced.

[0030] It should be noted that the platform frame 1 and the test box 2 are steel structures, and the platform frame 1 and the test box 2 are fixedly connected to the inner side of the underground box body 17, by arranging the underground box body 17, the automobile chassis can be directly pushed into the inner side of the platform frame 1 by the staff on the ground.

[0031] In the embodiment, the top of the underground box body 17 is fixedly connected with a protective fence 18, the inner side of the protective fence 18 is bonded with a sound-absorbing cotton pad 19, by arranging the protective fence 18 and the sound-absorbing cotton pad 19, the effects of enhancing the protection of the platform and absorbing and reducing noise are achieved.

[0032] It should be noted that the front end of the protective fence 18 is hingedly connected with a protective door 20, and the outer surface of the protective door 20 is fixedly connected with an embedded handle.

[0033] The working principle of the above embodiment is as follows:

[0034] In use, the staff first needs to open the protective door 20, and then pushes the automobile chassis into the inner side of the platform frame 1, so that the tire part of the automobile chassis enters the limiting frame 12, and then starts the hydraulic rod 14, at this time, the output shaft of the hydraulic rod 14 can push the second positioning plate 15, so that the second positioning plate 15 gradually approaches the first positioning plate 13, and then clamps and fixes the tire part of the automobile chassis to limit, when the limiting is completed, the driving motor 3 and the hydraulic cylinder 8 are started at the same time, wherein the driving motor 3 can drive the installation sleeve 5 to rotate through the driving shaft 4, so as to drive the test hammer head 7 to swing through the swinging chain 6, so as to hammer the lower end of the automobile chassis, in addition, the hydraulic cylinder 8 can drive the lifting platform 9 to continuously impact downward through the lifting platform 9, so as to impact the upper end of the automobile chassis, so that the upper and lower end faces of the automobile chassis can be tested at the same time, during which the staff only needs to adjust the oil pressure of the hydraulic cylinder 8 and the rotating speed of the driving motor 3, so as to adjust the impact force, when the detection is completed, the automobile chassis is pushed out and observed and checked, and compared with the original intact state, so that the rigidity of the automobile chassis can be finally obtained according to the oil pressure and rotating speed data and the deformation of the automobile chassis.

[0035] The mounting method, connecting method or setting method disclosed in the embodiment are all common mechanical connecting methods, as long as the beneficial effects can be achieved. In addition, the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply, and the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical elements can be realized by simple programming by those skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle of the embodiment will not be described in detail.

[0036] It should be noted that in this paper, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0037] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0038] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A platform for testing the rigidity of an automobile chassis, comprising a platform frame (1), a test box (2) and an underground box (17), characterized in that: The underground box (17) is internally provided with a rigidity testing mechanism for simultaneously testing the rigidity of the lower end and the upper end of the automobile chassis; The rigidity testing mechanism comprises a driving motor (3) fixedly connected to the right side of the test box (2), an output shaft of the driving motor (3) is fixedly connected with a driving shaft (4), the middle part of the driving shaft (4) is fixedly connected with a mounting sleeve (5), the outer side of the mounting sleeve (5) is fixedly connected with a swinging chain (6), the tail end of the swinging chain (6) is fixedly connected with a test hammer head (7), the top of the platform frame (1) is fixedly connected with a hydraulic cylinder (8), the output shaft of the hydraulic cylinder (8) is fixedly connected with a lifting platform (9), the bottom of the lifting platform (9) is fixedly connected with an impact column (10), and the inner side of the test box (2) is provided with a positioning assembly for limiting the automobile chassis.

2. The vehicle chassis stiffness test platform of claim 1, wherein: The positioning assembly comprises a support frame (11) fixedly connected to the inner bottom wall of the test box (2), the top of the support frame (11) is fixedly connected with a limiting frame (12), the inner side of the limiting frame (12) is fixedly connected with a first positioning plate (13), the outer side of the limiting frame (12) is fixedly connected with a hydraulic rod (14), and the output shaft of the hydraulic rod (14) is fixedly connected with a second positioning plate (15).

3. The vehicle chassis stiffness test platform of claim 2, wherein: The first positioning plate (13) and the second positioning plate (15) are consistent in size and are symmetrically distributed left and right.

4. The vehicle chassis stiffness test platform of claim 1, wherein: The inner side of the platform frame (1) is fixedly connected with a movable rod (16), and the lifting platform (9) and the movable rod (16) are slidingly connected.

5. The vehicle chassis stiffness testing platform of claim 1, wherein: The platform frame (1) and the test box (2) are both steel structures, and the platform frame (1) and the test box (2) are both fixedly connected to the inner side of the underground box (17).

6. The vehicle chassis stiffness test platform of claim 1, wherein: The top of the underground box (17) is fixedly connected with a protective fence (18), and the inner side of the protective fence (18) is bonded with a sound-absorbing cotton pad (19).

7. The vehicle chassis stiffness test platform of claim 6, wherein: The front end of the protective fence (18) is hingedly connected with a protective door (20), and the outer surface of the protective door (20) is fixedly connected with an embedded handle.

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