CN207540800U - A kind of damper adjustment test equipment - Google Patents

Abstract

The utility model discloses a shock absorber adjustment and testing equipment, which comprises: a table panel, the lower side of which is respectively fixedly connected with a left vertical board and a right vertical board; the left vertical board and the right vertical board are respectively arranged on a crank connecting rod mechanism The left and right sides of the table are perpendicular to the table panel; the linear slide rail is vertically fixed on the left vertical plate; the slider is installed in conjunction with the linear slide rail and can go up and down along the linear slide rail Sliding; the slider is fixedly connected to the output end of the crank-link mechanism through an adapter seat; the lower end of the card-loading mechanism is fixedly connected to the output end of the crank-link mechanism; directly above, and form a shock absorber specimen clamping mechanism with the lower clamping mechanism. The shock absorber adjusting and testing equipment provided by the utility model has a compact structure, and the overall height of the equipment is low, so that it is convenient to be placed in a container and convenient to carry.

Description

A shock absorber adjustment test equipment

technical field

The utility model belongs to the technical field of automobile shock absorbers, in particular to a shock absorber adjusting and testing device.

Background technique

The automobile shock absorber is the flexible link connecting the automobile suspension and the wheel. It plays the role of buffering and isolating vibration. It is mainly used to suppress the vibration when the spring rebounds after absorbing vibration and the impact from the road. The shock absorber is a vulnerable part during the use of the car. The performance of the shock absorber will directly affect the driving stability of the car and the life of other parts. Therefore, the shock absorber should always be in good working condition.

The shock absorber adjustment test equipment is the equipment for testing the performance of the shock absorber during the adjustment process. Chinese patent application, application number 201521005061.3, "a crank double-slider shock absorber dynamometer" The vibration excitation system provided is driven by a crank double slider, which can realize accurate sinusoidal vibration and meet the requirements of the shock absorber test piece Test requirements; and can adjust the distance between the upper and lower fixtures, so as to realize the test of shock absorber specimens with different lengths, and the equipment has strong versatility. But because it adopts the sliding column as the guide of the crank slider mechanism, and the slider is arranged in the chute, the overall height of the equipment is high, it is difficult to load into the container, and the transportation is inconvenient.

Utility model content

The purpose of the utility model is to overcome the defect that the existing shock absorber adjustment test equipment is high in height and is not convenient to be loaded into the container for transportation, and provides a shock absorber adjustment test with a low overall height of the equipment and easy transportation equipment.

The technical scheme provided by the utility model is:

A shock absorber adjustment test equipment, comprising:

The lower side of the table panel is fixedly connected to the left vertical board and the right vertical board; the left vertical board and the right vertical board are respectively arranged on the left and right sides of the crank linkage mechanism, and are perpendicular to the table board;

Linear slide rail, which is vertically and fixedly installed on the left vertical plate;

A slider, which is installed in cooperation with the linear slide rail, and can slide up and down along the linear slide rail; the slider is fixedly connected to the output end of the crank linkage mechanism through an adapter seat;

The lower card mechanism is fixedly connected to the output end of the crank linkage mechanism at its lower end;

The upper clamping mechanism is correspondingly arranged directly above the lower clamping mechanism, and together with the lower clamping mechanism forms a shock absorber specimen clamping mechanism.

Preferably, one end of the crank of the crank-link mechanism is fixedly connected to the reducer shaft of the drive motor, and follows the reducer shaft to perform circular motion.

Preferably, the drive motor is a servo motor.

Preferably, the upper end of the upper card loading mechanism is fixedly connected to the upper beam through the mounting seat.

Preferably, the shock absorber adjustment test equipment also includes a tension and pressure sensor assembly, which is arranged on the upper part of the upper clamping mechanism and on the lower side of the upper beam, and is used to measure the damping force of the shock absorber test piece. .

Preferably, the shock absorber adjustment and testing equipment further includes a displacement sensor, which is fixedly connected to the output end of the crank linkage mechanism through a horizontal connecting plate, and is close to the right vertical plate.

Preferably, the upper beam is fixedly connected to the lifting cylinder, and the upper beam can move up and down driven by the lifting cylinder, so as to meet the test requirements of shock absorber specimens of different lengths.

Preferably, a guide post perpendicular to the table top is fixedly connected to the table top, and the upper beam is sleeved on the guide post and moves up and down guided by the guide post.

Preferably, the length of the crank of the crank-link mechanism is adjustable, so as to adjust the amplitude of the simple harmonic motion.

Preferably, a universal joint is provided on the upper clamping mechanism, so that the shock absorber test piece is stressed on the same straight line.

The beneficial effects of the utility model are:

(1) In the shock absorber adjustment test equipment provided by the utility model, the guide rail of the crank linkage mechanism is placed on the left vertical plate under the table panel, which effectively reduces the overall height of the shock absorber adjustment test equipment, so that It is convenient to be placed in the container and easy to carry.

(2) The shock absorber adjustment test equipment provided by the utility model directly drives the crank connecting rod mechanism to move by the reducer shaft of the driving motor, which further saves the space occupied by the shock absorber adjustment test equipment and reduces its weight .

(3) The shock absorber adjustment and test equipment provided by the utility model is driven by a servo motor, which can realize ultra-high precision speed, torque and angle control to realize different shock absorber test conditions.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the shock absorber adjustment and testing equipment described in the present invention.

Fig. 2 is a right side view of the shock absorber adjustment and testing equipment described in the present invention.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.

As shown in Figure 1-2, the utility model provides a shock absorber adjustment test equipment, including a lifting cylinder 110, the lower end of which is fixedly connected to the base 120 of the frame, and the upper end of the lifting cylinder 110 is fixed to the upper beam 130 Connected, the lifting cylinder 110 is powered by a hydraulic oil pump 111 installed on the rear side of the frame. The platform panel 140 is fixedly connected to the middle part of the cylinder barrel of the lifting cylinder 110 . The lower end of the guide column 150 is fixedly connected with the table panel 140 by means of a shaft hole connection, the guide column 150 is perpendicular to the table panel 140, and the upper beam 130 is sleeved on the guide column 150, and driven by the lifting cylinder with the described The guide post 150 moves up and down as a guide.

The lower side of the table top 140 is fixedly connected with the left vertical board 141 and the right vertical board 142 respectively; Vertical; linear slide rail 160, which is vertically and fixedly installed on the left vertical plate 141. The slide block 170 is installed in cooperation with the linear slide rail 160, and can slide up and down along the linear slide rail 160; the slide block 160 is fixedly connected with the output end 211 of the crank linkage mechanism 210 through an adapter seat; Mechanism 180, its lower end is fixedly connected with the output end 211 of crank-link mechanism; The lower clamping mechanism 180 constitutes a shock absorber specimen clamping mechanism. Universal joints are arranged on the upper clamping mechanism 190, so that the shock absorber test piece is stressed on the same straight line. One end of the tension and pressure sensor assembly 220 is fixed on the upper beam 130, and the other end is fixedly connected with the upper part of the upper clamping mechanism 190, and is used for measuring the damping force of the shock absorber test piece during the adjustment process. The displacement sensor 230 is fixedly connected to the output end 211 of the crank linkage mechanism 210 through the horizontal connecting plate 231. The displacement sensor 230 is arranged near the right vertical plate 142 for the displacement variation of the output end 211 of the crank linkage mechanism.

The shock absorber adjustment test equipment adopts a crank-link mechanism as a driving mechanism, and one end of the crank of the crank-link mechanism 210 is fixedly connected with the reducer shaft 250 of the drive motor 240, and follows the reducer shaft to make a circular motion. In this embodiment, the driving motor 240 adopts a servo motor, which can realize ultra-high precision speed, torque and angle control to realize different shock absorber test conditions. Preferably, the length of the crank of the crank linkage mechanism is adjustable to adjust the amplitude of the simple harmonic motion of the lower end of the shock absorber test piece.

Implementation Take the working principle of the shock absorber adjustment test equipment as an example to further explain:

According to the length of the shock absorber test piece, the height of the upper beam 110 is first adjusted by the lifting cylinder 110, and the shock absorber test piece is installed between the upper clamping mechanism 190 and the upper clamping mechanism 180. The lower end is fixedly connected with the upper card loading mechanism 190 and the upper card loading mechanism 180 respectively. When the crank of the crank-link mechanism 210 is driven by the reducer shaft of the driving motor 240 to perform uniform circular motion, the output end 211 of the crank-link mechanism drives the slider 170 to perform precise simple harmonic motion along the linear slide rail 160, thereby driving the The clamping mechanism 180 performs simple harmonic motion, and the lower end of the shock absorber specimen follows the lower clamping mechanism 180 to perform simple harmonic motion. The variation of the damping force received by the shock absorber specimen is converted into a voltage signal through the tension and pressure sensor assembly 220 , and the variation of the displacement is converted into a voltage signal through the displacement sensor 230 . After the voltage signal of the damping force is conditioned by the signal conditioning module, it is transmitted to the data acquisition card together with the displacement voltage signal. The collected data can be processed and then analyzed to obtain the final test result, so as to obtain the performance parameters of the shock absorber test piece.

In the shock absorber adjustment test equipment provided by the utility model, the guide rail of the crank linkage mechanism is placed on the left vertical plate under the table panel, which effectively reduces the overall height of the shock absorber adjustment test equipment, making it easy to install. In the container, it is easy to carry; it is driven by a servo motor, which can realize ultra-high precision speed, torque and angle control to realize different shock absorber test conditions; the crank connecting rod mechanism is directly driven by the reducer shaft of the driving motor movement, which further saves space and reduces the weight of the shock absorber tuning test equipment.

Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. A shock absorber adjustment test equipment, characterized in that, comprising: The lower side of the table panel is fixedly connected to the left vertical board and the right vertical board; the left vertical board and the right vertical board are respectively arranged on the left and right sides of the crank linkage mechanism, and are perpendicular to the table board; Linear slide rail, which is vertically and fixedly installed on the left vertical plate; A slider, which is installed in cooperation with the linear slide rail, and can slide up and down along the linear slide rail; the slider is fixedly connected to the output end of the crank linkage mechanism through an adapter seat; The lower card mechanism is fixedly connected to the output end of the crank linkage mechanism at its lower end; The upper clamping mechanism is correspondingly arranged directly above the lower clamping mechanism, and together with the lower clamping mechanism forms a shock absorber specimen clamping mechanism. 2 . The shock absorber adjustment and testing device according to claim 1 , wherein one end of the crank of the crank-link mechanism is fixedly connected to the reducer shaft of the driving motor, and follows the reducer shaft to perform circular motion. 3 . 3. The shock absorber tuning and testing device according to claim 2, wherein the driving motor is a servo motor. 4 . The shock absorber adjustment and testing device according to claim 3 , wherein the upper end of the upper clamping mechanism is fixedly connected to the upper beam through a mounting seat. 5 . 5. The shock absorber adjustment and testing equipment according to claim 4, characterized in that it also includes a tension and pressure sensor assembly, which is arranged on the upper part of the upper clamping mechanism and is located on the lower side of the upper beam for measuring The damping force on the shock absorber specimen. 6 . The shock absorber adjustment and testing device according to claim 5 , further comprising a displacement sensor, which is fixedly connected to the output end of the crank linkage mechanism through a horizontal connecting plate, and is close to the right vertical plate. 7 . 7. The shock absorber calibration and testing device according to claim 6, wherein the upper beam is fixedly connected to the lifting cylinder, and the upper beam can move up and down driven by the lifting cylinder, so as to satisfy shock absorbers of different lengths. Vibrator test piece test requirements. 8. The shock absorber calibration and testing device according to claim 7, characterized in that, a guide post perpendicular to the table top is fixedly connected to the table top, the upper beam is sleeved on the guide post, and Move up and down with the guide post as the guide. 9. The shock absorber tuning and testing device according to claim 8, characterized in that the length of the crank of the crank linkage mechanism is adjustable to adjust the amplitude of the simple harmonic motion. 10 . The shock absorber adjustment and testing device according to claim 9 , wherein a universal joint is provided on the upper clamping mechanism, so that the shock absorber test pieces are stressed on the same straight line. 11 .