Safety belt durability testing device

Abstract

The utility model discloses a safety belt durability testing device, which is characterized by comprising a movable seat, a guide winding roller, a first directional winding roller and a second directional winding roller, the movable seat is connected with a first movable driving assembly and is provided with a mounting part for placing a retractor, and the guide winding roller, the first directional winding roller and the second directional winding roller are sequentially arranged. A movable roller is correspondingly arranged between the first directional winding roller and the second directional winding roller, the movable roller is arranged on a lifting seat, the lifting seat is connected with a lifting driving assembly, a rotating disc is correspondingly arranged below the movable roller, a binding belt part is arranged on the rotating disc, and the rotating disc is connected with a rotating driving motor through a rotating shaft. And a torque sensor is arranged corresponding to the rotating shaft and can feed back information to the controller. The safety belt durability testing device is simple in structure, reasonable in design and capable of achieving automatic safety belt durability testing.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety belt detection equipment, concretely relates to a safety belt endurance test device. BACKGROUND

[0002] Safety belt is an important component of automobile safety system, and is wound in a retractor after production. The safety belt with the retractor usually needs to be tested for endurance before leaving factory. There are many safety belt endurance test devices on the market, but their functions are generally single, and only simple reciprocating pulling of the safety belt can be realized for endurance test, and endurance test of locking of the safety belt is difficult to realize. In addition, in actual use, especially in winter, there are many clothes between the human body and the safety belt, and the clothes are usually squeezed before the safety belt is squeezed, and then the safety belt is pulled, and there is a certain elastic buffer space between the pulling of the safety belt, and the traditional test device is difficult to simulate the above situation. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies in the background art, the utility model solves the technical problem of providing a safety belt endurance test device for solving the above problems.

[0004] Therefore, the utility model is realized by adopting the following scheme:

[0005] A safety belt endurance test device, comprising a moving seat, the moving seat is connected with a first moving drive assembly, an installation part for placing a retractor is arranged on the moving seat, further comprising a guide winding roller, a first directional winding roller and a second directional winding roller arranged in sequence, a movable roller is arranged between the first and second directional winding rollers, the movable roller is arranged on a lifting seat, the lifting seat is connected with a lifting drive assembly, a rotating disc is arranged below the movable roller, a binding part is arranged on the rotating disc, the rotating disc is connected with a rotating drive motor through a rotating shaft, a torque sensor is arranged corresponding to the rotating shaft, the torque sensor can feed back information to a controller, a swing arm is arranged on the moving seat, an elastic assembly and a limiting assembly are arranged corresponding to the swing arm, and a belt outlet winding roller is arranged on the swing arm.

[0006] The first moving drive assembly comprises a first motor, the output end of the first motor is connected with a first synchronous wheel, a synchronous belt is wound around the first synchronous wheel, the synchronous belt is connected with the moving seat, and a guide assembly is arranged corresponding to the moving seat.

[0007] The guide winding roller, the first directional winding roller and the second directional winding roller are arranged at the same height.

[0008] The lifting drive assembly comprises a drive cylinder, the piston rod of the drive cylinder is connected with the lifting seat, a guide assembly is arranged corresponding to the lifting seat, and a spring is connected between the lifting seat and the rack.

[0009] The rotating disc is provided with locking bolts for locking the safety belt on the rotating wheel.

[0010] The limiting component is a limiting block connected to the moving seat by a fastener, and the elastic component is a torsion spring arranged at the hinge between the swing arm and the moving seat.

[0011] The swing arm is hingedly connected with a mounting arm, one end of the swing arm is provided with an arc-shaped slot, the fastener is screwed through the arc-shaped slot and the mounting arm, and the belt outlet roller is arranged on the mounting arm.

[0012] The safety belt durability testing device can realize the pull-out durability test, the vehicle locking test and the sudden pull test of the safety belt, has better detection comprehensiveness, can perform durability tests of different functions, and can simulate the situation of first pressing clothes and then pulling the safety belt through the elastically swingable swing arm, thereby improving the comprehensiveness of the durability test in specific use scenarios. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model discloses the following drawings:

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 It is the local enlarged view of the direction of A of the utility model. DETAILED DESCRIPTION

[0016] As shown in the figure, the utility model discloses a safety belt durability testing device, including moving seat 2, moving seat 2 with first mobile drive assembly is connected, moving seat 2 is provided with the installation part 3 for placing the reel, still including the guiding roller 4, first directional roller 7 and second directional roller 8 that set up in proper order, the movable roller 9 is set up between the first directional roller and the second directional roller, movable roller 9 sets up on the lifting seat 5, lifting seat 5 is connected with lifting drive assembly, the lower of movable roller 9 is provided with rotating disc 10, rotating disc 10 is provided with the bandage part, rotating disc 10 is connected with the rotating drive motor through the rotating shaft, the torque sensor is provided with corresponding rotating shaft, and the torque sensor can feed back information to the controller, moving seat 2 is provided with swing arm 12, and the elastic component and the limiting component are provided with corresponding swing arm 12, and the belt outlet roller 15 is arranged on the swing arm.

[0017] Further, the first moving driving assembly comprises a first motor, an output end of the first motor is connected with a first synchronous wheel, a synchronous belt 1 is wound around the first synchronous wheel, the synchronous belt 1 is connected with the moving seat 2, a guide assembly is arranged corresponding to the moving seat 2, the guide assembly can be a slide rail and slide block structure, by controlling the first motor, the moving seat 2 can be driven to move quickly, and the conditions of quick movement and braking of the vehicle are simulated.

[0018] Further, the guide winding roller 4, the first directional winding roller 7 and the second directional winding roller 8 are arranged at the same height. By adopting the above structure, the movable roller 9 can better adapt to the compression of the safety belt.

[0019] Further, the lifting driving assembly comprises a driving cylinder, a piston rod of the driving cylinder is connected with the lifting seat 5, a guide assembly is arranged corresponding to the lifting seat, and the lifting seat 5 is connected with the rack through a spring 6. By controlling the driving cylinder, the lifting seat 5 can be driven to lift, and the movable roller 9 is compressed, and the spring 6 can be used to realize the quick reset of the lifting seat 5.

[0020] Further, the rotating disc 10 is provided with a locking bolt 11 for locking the safety belt on the rotating wheel. The safety of lifting the one end of the safety belt connected to the rotating disc 10 is improved.

[0021] Further, the limiting assembly is a limiting block 16 arranged on the moving seat 2, and the elastic assembly is a torsion spring arranged at the hinged position of the swing arm 12 and the moving seat 2. By adopting the above structure, the limiting block 16 is used to limit the swing arm 12, and the torsion spring is used to realize the elastic reset swing of the swing arm 12.

[0022] Further, the swing arm 12 is hinged with a mounting arm 13, one end of the swing arm 12 is provided with an arc-shaped groove 14, a fastener is screwed with the mounting arm 13 through the arc-shaped groove 14, and an out belt winding roller 15 is arranged on the mounting arm 13. By rotating the fastener, the mounting arm can be swung, the position of the out belt winding roller 15 is adjusted, and different specifications of the retractor are adapted.

[0023] The working principle of the utility model is: first, the retractor is placed on the installation part 3, then the safety belt is pulled out and sequentially passes the belt winding roller 15, the guide winding roller 4, the first directional winding roller 7 and the second directional winding roller 8 and is finally connected on the rotating disc 10, then the rotating disc is controlled to rotate forward and reversely slowly, driving the safety belt to be continuously pulled out and automatically retracted, after the rotating disc rotates forward and reversely for a specified number of times (for example, 5 times), the moving seat 2 drives the retractor to move fast and stop once, simulating the condition of the brake, if the locking function of the retractor is normal, the safety belt will be locked, at this time, the torsional force required for the rotating disc to rotate will become larger, the torque sensor will feedback information to the controller, at this time, the controller receives the torque value information of the torque sensor to analyze whether the locking function of the retractor is normal, after the rotating disc rotates forward and reversely for a specified number of times (for example, 5 times) again, the lifting seat 5 drives the movable roller 9 to move and quickly extrude the safety belt, so that the safety belt is pulled out quickly, at this time, the safety belt will first extrude the belt winding roller 15, and drive the swing arm 12 to swing until it abuts against the limiting block 16, simulating the condition that the clothes are elastically compressed, then the quick pulling state of the safety belt will continue to the retractor, if the locking function of the retractor is normal, the safety belt will be locked, at this time, the torsional force required for the rotating disc to rotate will become larger, the torque sensor will feedback information to the controller, at this time, the controller receives the torque value information of the torque sensor to analyze whether the locking function of the retractor is normal, of course, if the condition that the clothes are elastically compressed is not needed to be simulated, the fastener on the limiting block 16 can be loosened, and the limiting block 16 is controlled to abut against the swing arm 12, at this time, the swing arm 12 will not have extra swing space, so that the flexibility and comprehensiveness of detection are enriched.

Claims

1. A seat belt endurance testing apparatus, characterized by: The utility model provides a kind of safety belt winding device, including mobile seat (2), the mobile seat (2) is connected with first mobile drive component, installation part (3) for placing winding device is provided on the mobile seat (2), further including guiding around roller (4), first directional around roller (7) and second directional around roller (8) are sequentially arranged, movable roller (9) is arranged between the first and second directional around roller, the movable roller (9) is arranged on lifting seat (5), the lifting seat (5) is connected with lifting drive component, rotating disc (10) is arranged below corresponding movable roller (9), and binding part is arranged on rotating disc (10), rotating disc (10) is connected with rotation drive motor by rotating shaft, torque sensor is arranged corresponding rotating shaft, the torque sensor can feedback information to controller, swing arm (12) is arranged on mobile seat (2), elastic component and limiting component are arranged corresponding swing arm (12), and outband around roller (15) is arranged on swing arm.

2. A seat belt endurance testing apparatus as defined in claim 1, wherein: The first mobile drive component includes a first motor, the output end of the first motor is connected with a first synchronous wheel, a synchronous belt (1) is wound around the first synchronous wheel, the synchronous belt (1) is connected with the mobile seat (2), and a guide component is arranged corresponding to the mobile seat (2).

3. The seat belt endurance testing apparatus of claim 1, wherein: The guiding around roller (4), the first directional around roller (7) and the second directional around roller (8) are arranged at the same height.

4. The seat belt endurance testing apparatus of claim 1, wherein: The lifting drive component includes a drive cylinder, the piston rod of the drive cylinder is connected with the lifting seat (5), a guide component is arranged corresponding to the lifting seat, and a spring (6) is connected between the lifting seat (5) and the rack.

5. The seat belt endurance testing apparatus of claim 1, wherein: The rotating disc (10) is provided with a locking bolt (11) for locking the safety belt on the rotating wheel.

6. The seat belt endurance testing apparatus of claim 1, wherein: The limiting component is a limiting block (16) connected on the mobile seat (2) by a fastener, and the elastic component is a torsion spring arranged at the hinge between the swing arm (12) and the mobile seat (2).

7. The seat belt endurance testing apparatus of claim 1, wherein: The swing arm (12) is hinged with a mounting arm (13), one end of the swing arm (12) is provided with an arc-shaped groove (14), the fastener is screwed with the mounting arm (13) through the arc-shaped groove (14), and the outband around roller (15) is arranged on the mounting arm (13). The swing arm (12) is hinged with a mounting arm (13), one end of the swing arm (12) is provided with an arc-shaped groove (14), the fastener is screwed with the mounting arm (13) through the arc-shaped groove (14), and the outband around roller (15) is arranged on the mounting arm (13).

Images