Performance test equipment for automobile safety belt assembly

Abstract

The utility model relates to an automobile safety belt assembly performance test device, a braid extension device comprises an extension rack, and an upper roller, an upper driver, a control seat, a vertical cylinder, a lower roller and a lower driver which are arranged on the extension rack, the vertical cylinder drives the control seat to move along the vertical direction, the upper driver is arranged on the control seat and drives the upper roller to rotate, and the lower driver drives the lower roller to rotate. The lower driver drives the lower roller to rotate, the lower roller is located below the upper roller, and the upper roller has a stretching state which is matched with the lower roller and drives the braid to stretch.

Description

Technical Field

[0001] The utility model relates to a testing device, in particular to a vehicle safety belt assembly performance testing device. Background Art

[0002] Seat belts, also known as seat belts or vehicle safety belts, are an important safety device used in vehicles (including cars, airplanes and other means of transportation). Its main function is to limit the displacement of occupants in the event of a collision or emergency braking to reduce injuries to the occupants.

[0003] The seat belt mainly includes a retractor and a webbing. After the retractor and the webbing are assembled, the safety performance needs to be tested to ensure the extension and tightening of the webbing on the retractor. Currently, it is often tested manually, which is inefficient. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a vehicle safety belt assembly performance testing device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a reel clamping device, a webbing left-pulling device, a webbing extension device and a webbing right-pulling device, the reel clamping device: fixing the reel; the webbing left-pulling device: the webbing passes through the webbing left-pulling device and leads to the webbing extension device, and has a left-pulling state of pulling the webbing to the left; the webbing extension device: pulls the webbing out and leads to the webbing right-pulling device; the webbing right-pulling device: the webbing passes through the webbing right-pulling device, and has a right-pulling state of pulling the webbing to the right; the webbing extension device includes an extension frame and an upper roller, an upper driver, a control seat, a vertical cylinder, a lower roller, and a lower driver arranged on the extension frame, the vertical cylinder drives the control seat to move vertically, the upper driver is arranged on the control seat and drives the upper roller to rotate, the lower driver drives the lower roller to rotate and the lower roller is located below the upper roller, and the upper roller has a stretching state of cooperating with the lower roller and driving the webbing to stretch.

[0006] By adopting the above technical scheme, when testing is needed, the retractor is manually placed on the retractor clamping device for fixing, and then the webbing is manually pulled out and passes through the webbing left-pulling device, the webbing extending device and the webbing right-pulling device in sequence, and then the vertical cylinder drives the control seat to move downward, so that the upper roller moves downward until it is against the lower roller, at which time the webbing is located between the upper roller and the lower roller, and then the upper roller and the lower roller rotate, thereby driving the webbing to move in the direction of the webbing right-pulling device, completing the test of pulling out the seat belt, and then passing through the webbing left-pulling device and the webbing right-pulling device to complete the test of pulling the seat belt, and finally the upper roller moves upward, at which time the webbing retracts, completing the test of retraction of the seat belt, and completing the test of pulling out, retracting, pulling left and pulling right the seat belt to complete the test of seat belt performance, and manual labor only needs to participate in the actions of placing and removing, so the work efficiency is higher and the test is more thorough.

[0007] The utility model is further configured as follows: the reel clamping device includes a clamping frame and a fixed seat, a movable seat, a movable rail, and a movable cylinder arranged on the clamping frame, the fixed seat is located on the left side of the clamping frame, the movable seat is located on the right side of the clamping frame, the movable rail is located between the fixed seat and the movable seat, the movable seat and the fixed seat are provided with fixing grooves, the movable cylinder drives the movable seat to move along the movable rail, and the fixed seat and the movable seat have a fixed state for fixing the reel.

[0008] By adopting the above technical solution, when the retractor needs to be fixed, the retractor is placed between the fixed seat and the movable seat and partially placed in the fixed groove of the fixed seat. Then, the movable seat is driven by the movable cylinder to approach the fixed seat until it contacts the retractor, and part of the retractor enters the fixed groove of the movable seat, thereby completing the fixation of the retractor.

[0009] The utility model is further configured as follows: the webbing left-pulling device includes a first guide rod, a second guide rod and a rotating motor, the first guide rod and the second guide rod are arranged on a clamping frame and are located above a fixed seat and a movable seat, the first guide rod is located on the right side of the second guide rod and the height of the first guide rod is lower than the second guide rod, and the rotating motor drives the clamping frame to rotate.

[0010] By adopting the above technical solution, when placing the webbing, the webbing is first passed through the right side of the first guide rod and the left side of the second guide rod, and then passes through the webbing extension device. When the webbing needs to be pulled to the left, the motor is driven to rotate the clamping frame counterclockwise by thirty to sixty degrees and return to its original position, thereby performing the left-pulling action.

[0011] The utility model is further configured as follows: the webbing right-pulling device comprises a right-pulling frame, a frame cylinder, a fixed cylinder, a fixed block and a moving block; the frame cylinder drives the right-pulling frame to reciprocate along the webbing forward direction; the fixed cylinder is arranged on the right-pulling frame and drives the moving block to move vertically; the fixed block is arranged on the right-pulling frame and is located below the moving block; the moving block and the fixed block have a fixed extension state for fixing the webbing.

[0012] By adopting the above technical solution, when a right-pull action is required, the fixed cylinder drives the moving block to move downward, so that the webbing is fixed, and then the rack cylinder drives the right-pull rack to move rightward as a whole and recall, and repeats several times to complete the right-pull test. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the webbing extension device of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the retractor clamping device and the webbing left-pulling device of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the webbing right-pulling device of the utility model.

[0017] In the figure: 1. reel clamping device; 11. clamping frame; 12. fixed seat; 13. moving seat; 14. moving track; 15. moving cylinder; 16. fixed groove; 2. webbing left-pull device; 21. first guide rod; 22. second guide rod; 23. rotating motor; 3. webbing extension device; 30. extension frame; 31. upper roller; 32. upper drive; 33. control seat; 34. vertical cylinder; 35. lower roller; 36. lower drive; 4. webbing right-pull device; 41. right-pull frame; 42. frame cylinder; 43. fixed cylinder; 44. fixed block; 45. moving block. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] like Figure 1-4 As shown, the utility model discloses a vehicle safety belt assembly performance test device, comprising a retractor clamping device 1, a webbing left-pulling device 2, a webbing extension device 3 and a webbing right-pulling device 4, wherein the retractor clamping device 1 is used to fix the retractor; the webbing left-pulling device 2 is used to pass the webbing left-pulling device 2 and lead to the webbing extension device 3, and has a left-pulling state of pulling the webbing left; the webbing extension device 3 is used to pull the webbing out and lead to the webbing right-pulling device 4; the webbing right-pulling device 4 is used to pass the webbing right-pulling device 4, and has a right-pull state of pulling the ribbon to the right; the ribbon extension device 3 includes an extension frame 30 and an upper roller 31, an upper driver 32, a control seat 33, a vertical cylinder 34, a lower roller 35, and a lower driver 36 arranged on the extension frame 30, the vertical cylinder 34 drives the control seat 33 to move vertically, the upper driver 32 is arranged on the control seat 33 and drives the upper roller 31 to rotate, the lower driver 36 drives the lower roller 35 to rotate and the lower roller 35 is located below the upper roller 31, and the upper roller 31 has There is a stretching state that cooperates with the lower roller 35 and drives the webbing to stretch. When testing is required, the retractor is manually placed on the retractor clamping device 1 for fixing, and then the webbing is manually pulled out and passes through the webbing left pulling device 2, the webbing extension device 3 and the webbing right pulling device 4 in sequence, and then the vertical cylinder 34 drives the control seat 33 to move downward, so that the upper roller 31 moves downward until it contacts the lower roller 35. At this time, the webbing is located between the upper roller 31 and the lower roller 35, and then the upper roller 31 and the lower roller 35 rotates, thereby driving the webbing to move toward the direction of the webbing right pulling device 4, completing the test of pulling out the safety belt, and then completing the test of pulling the safety belt through the webbing left pulling device 2 and the webbing right pulling device 4, and finally the upper roller 31 moves upward, at this time the webbing retracts, completing the test of retraction of the safety belt, and completing the test of safety belt performance by pulling out, retracting, pulling left and pulling right the safety belt, and manual labor only needs to participate in the actions of placing and removing the safety belt, so the work efficiency is higher and the test is more thorough.

[0021] The reel clamping device 1 includes a clamping frame 11 and a fixed seat 12, a movable seat 13, a movable rail 14, and a movable cylinder 15 arranged on the clamping frame 11. The fixed seat 12 is located on the left side of the clamping frame 11, and the movable seat 13 is located on the right side of the clamping frame 11. The movable rail 14 is located between the fixed seat 12 and the movable seat 13. The movable seat 13 and the fixed seat 12 are provided with a fixing groove 16. The movable cylinder 15 drives the movable seat 13 to move along the movable rail 14. The fixed seat 12 and the movable seat 13 have a fixed state for fixing the reel. When the reel needs to be fixed, the reel is placed between the fixed seat 12 and the movable seat 13 and partially placed in the fixing groove 16 of the fixed seat 12. Then, the movable seat 13 approaches the fixed seat 12 under the drive of the movable cylinder 15 until it is against the reel, and part of the reel enters the fixing groove 16 of the movable seat 13 to complete the fixation of the reel.

[0022] The webbing left-pulling device 2 includes a first guide rod 21, a second guide rod 22 and a rotating motor 23. The first guide rod 21 and the second guide rod 22 are arranged on the clamping frame 11 and are located above the fixed seat 12 and the movable seat 13. The first guide rod 21 is located on the right side of the second guide rod 22 and the height of the first guide rod 21 is lower than the second guide rod 22. The rotating motor 23 drives the clamping frame 11 to rotate. When placing the webbing, the webbing is first passed from the right side of the first guide rod 21 and from the left side of the second guide rod 22, and then passes through the webbing extension device 3. When the webbing needs to be pulled to the left, the rotating motor 23 drives the clamping frame 11 to rotate thirty to sixty degrees counterclockwise and return to its original position, thereby performing the left-pulling action.

[0023] The webbing right-pulling device 4 includes a right-pulling frame 41, a frame cylinder 42, a fixed cylinder 43, a fixed block 44 and a moving block 45. The frame cylinder 42 drives the right-pulling frame 41 to move back and forth along the advancing direction of the webbing. The fixed cylinder 43 is arranged on the right-pulling frame 41 and drives the moving block 45 to move vertically. The fixed block 44 is arranged on the right-pulling frame 41 and is located below the moving block 45. The moving block 45 and the fixed block 44 have a fixed extension state for fixing the webbing. When the right-pulling action is required, the fixed cylinder 43 drives the moving block 45 to move downward, so that the webbing is fixed, and then the frame cylinder 42 drives the right-pulling frame 41 to move rightward as a whole and retract. After repeating several times, the right-pulling test is completed.

[0024] Working process: When testing is required, the retractor is manually placed between the fixed seat 12 and the movable seat 13 and partially placed in the fixed groove 16 of the fixed seat 12. Then, the movable seat 13 is driven by the movable cylinder 15 to approach the fixed seat 12 until it contacts the retractor. Part of the retractor enters the fixed groove 16 of the movable seat 13 to complete the fixation of the retractor. Then, the webbing is manually passed through the right side of the first guide rod 21 and the left side of the second guide rod 22, and then passes through the webbing extension device 3 and the webbing right pulling device 4. Then, the vertical cylinder 34 drives the control seat 33 to move downward, so that the upper roller 31 moves downward until it contacts the lower roller 35. At this time, the webbing It is located between the upper roller 31 and the lower roller 35, and then the upper roller 31 and the lower roller 35 rotate, thereby driving the webbing to move in the direction of the webbing right pulling device 4, completing the test of pulling out the safety belt, and then the rotating motor 23 drives the clamping frame 11 to rotate counterclockwise by thirty to sixty degrees and return to its position, thereby playing a left-pulling action, and then the fixed cylinder 43 drives the moving block 45 to move downward, so that the webbing is fixed, and then the frame cylinder 42 drives the right-pulling frame 41 to move rightward as a whole and return, repeat several times, and the right-pulling test is completed, completing the test of pulling the safety belt, and finally the upper roller 31 moves upward, at this time the webbing retracts, completing the test of retraction of the safety belt.

Claims

1. A vehicle seat belt assembly performance test equipment, characterized in that: It comprises a retractor clamping device (1), a webbing left-pulling device (2), a webbing extension device (3) and a webbing right-pulling device (4), Retractor clamping device (1): fixes the retractor; Webbing left-pull device (2): the webbing passes through the webbing left-pull device (2) and leads to the webbing extension device (3), and has a left-pull state in which the webbing is pulled left; Webbing extension device (3): pulls out the webbing and leads to the webbing right pulling device (4); Webbing right-pulling device (4): the webbing passes through the webbing right-pulling device (4) and is in a right-pulling state in which the webbing is pulled right; The webbing extension device (3) comprises an extension frame (30), an upper roller (31), an upper driver (32), a control seat (33), a vertical cylinder (34), a lower roller (35), and a lower driver (36) arranged on the extension frame (30), wherein the vertical cylinder (34) drives the control seat (33) to move vertically, the upper driver (32) is arranged on the control seat (33) and drives the upper roller (31) to rotate, the lower driver (36) drives the lower roller (35) to rotate, and the lower roller (35) is located below the upper roller (31), and the upper roller (31) has a stretched state in which it cooperates with the lower roller (35) and drives the webbing to stretch.

2. The vehicle safety belt assembly performance testing device according to claim 1, characterized in that: The retractor clamping device (1) comprises a clamping frame (11) and a fixed seat (12), a movable seat (13), a movable track (14), and a movable cylinder (15) arranged on the clamping frame (11); the fixed seat (12) is located on the left side of the clamping frame (11); the movable seat (13) is located on the right side of the clamping frame (11); the movable track (14) is located between the fixed seat (12) and the movable seat (13); a fixing groove (16) is arranged on the movable seat (13) and the fixed seat (12); the movable cylinder (15) drives the movable seat (13) to move along the movable track (14); the fixed seat (12) and the movable seat (13) have a fixed state for fixing the retractor.

3. The vehicle safety belt assembly performance testing device according to claim 2, characterized in that: The webbing left-pulling device (2) comprises a first guide rod (21), a second guide rod (22) and a rotating motor (23). The first guide rod (21) and the second guide rod (22) are arranged on a clamping frame (11) and are located above a fixed seat (12) and a movable seat (13). The first guide rod (21) is located on the right side of the second guide rod (22) and the height of the first guide rod (21) is lower than that of the second guide rod (22). The rotating motor (23) drives the clamping frame (11) to rotate.

4. The vehicle safety belt assembly performance testing device according to claim 1, characterized in that: The webbing right-pulling device (4) comprises a right-pulling frame (41), a frame cylinder (42), a fixed cylinder (43), a fixed block (44) and a moving block (45); the frame cylinder (42) drives the right-pulling frame (41) to move back and forth along the webbing forward direction; the fixed cylinder (43) is arranged on the right-pulling frame (41) and drives the moving block (45) to move vertically; the fixed block (44) is arranged on the right-pulling frame (41) and is located below the moving block (45); the moving block (45) and the fixed block (44) have a fixed extension state for fixing the webbing.

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