CN220603168U

CN220603168U - Automobile safety belt tensile strength testing device

Info

Publication number: CN220603168U
Application number: CN202322162865.5U
Authority: CN
Inventors: 万仕冯
Original assignee: Baiteng Xindai Industry Jiangsu Co ltd
Current assignee: Baiteng Xindai Industry Jiangsu Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-15
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses an automobile safety belt tensile strength testing device, which relates to the technical field of automobile safety belt testing and comprises a workbench, wherein the top of the workbench is fixedly connected with a fixing frame, an electric push rod is fixedly connected in the fixing frame, the telescopic end of the electric push rod is fixedly connected with a positioning frame, a positioning rod is fixedly connected in the positioning frame, a sliding frame is arranged in the workbench, a hydraulic cylinder is fixedly connected in the sliding frame, and the hydraulic cylinder comprises a piston rod which is arranged in the sliding frame in a sliding manner.

Description

Automobile safety belt tensile strength testing device

Technical Field

The utility model relates to the technical field of automobile safety belt testing, in particular to an automobile safety belt tensile strength testing device.

Background

One of the tensile strength testing devices for the automobile safety belt is to install the safety belt between two connecting rods, then test the tensile strength of the safety belt through the operation of a hydraulic cylinder, however, as the connecting rods are fixedly arranged with the U-shaped frame, and the two ends of the safety belt are separated, the simplest operation is to install the safety belt on the connecting rods in a tying mode, but as the tensile strength testing is carried out, the tying part of the safety belt is pulled more tightly, which leads to the difficulty in taking down the automobile safety belt after the tensile strength testing is finished, and reduces the testing efficiency of the tensile strength testing device for the automobile safety belt.

The prior patent (publication number: CN 216117105U) proposes a device for testing the tensile strength of an automobile safety belt, namely, the safety belt is installed between two connecting rods and then tested for the tensile strength by working of a hydraulic cylinder, however, as the connecting rods are fixedly arranged with a U-shaped frame, two ends of the safety belt are separated, the simplest operation is to install the safety belt on the connecting rods in a tying mode, but as the tensile strength test is carried out, the tying part of the safety belt is pulled more tightly, the automobile safety belt is difficult to take off after the tensile strength test is finished, the time consumed for taking off the safety belt is prolonged, and the testing efficiency of the device for testing the tensile strength of the automobile safety belt is reduced.

Disclosure of Invention

The utility model provides an automobile safety belt tensile strength testing device, which solves the technical problems that as a connecting rod is fixedly arranged with a U-shaped frame, two ends of a safety belt are separated, the simplest operation is to install the safety belt on the connecting rod in a tying mode, but as the tensile strength test is carried out, the tying part of the safety belt is pulled more and more tightly, the automobile safety belt is difficult to take down after the tensile strength test is finished, and the testing efficiency of the automobile safety belt tensile strength testing device is reduced.

In order to solve the technical problems, the automobile safety belt tensile strength testing device comprises a workbench, wherein the top of the workbench is fixedly connected with a fixing frame, an electric push rod is fixedly connected in the fixing frame, the telescopic end of the electric push rod is fixedly connected with a locating frame, a locating rod is fixedly connected in the locating frame, a sliding frame is arranged in the workbench, a hydraulic cylinder is fixedly connected in the sliding frame, the hydraulic cylinder comprises a piston rod which is arranged in the hydraulic cylinder in a sliding manner, one end of the piston rod is fixedly connected with a connecting frame, a winding roller is connected in the connecting frame in a rotating manner, a locating opening is formed in the winding roller in a penetrating manner, a locating plate is connected in the locating opening in a sliding manner, one side of the locating plate is fixedly connected with an inner threaded pipe, an outer threaded rod is connected in a rotating manner with the winding roller in a rotating manner, the top of the connecting frame is fixedly connected with a driving motor, and the driving end of the driving motor is fixedly connected with the winding roller.

Preferably, one side fixedly connected with a plurality of guide bars of locating plate, set up the guiding hole with guide bar looks adaptation in the winding roller, guiding bar and guiding hole sliding connection, the guiding hole sets up in one side of winding roller, the external screw rod extends to the outside tip fixedly connected with knob of winding roller.

Preferably, the sliding groove matched with the sliding frame is formed in the workbench, the sliding frame is in sliding connection with the sliding groove, an electric telescopic rod is fixedly connected to the top of the workbench, and the telescopic end of the electric telescopic rod is fixedly connected with the sliding frame.

Preferably, the bottom of carriage rotates and is connected with a plurality of helping pulleys, helping pulley and sliding tray sliding connection, helping pulley setting is in the middle part of carriage, a plurality of helping the equidistant setting of being between the pulley.

Preferably, the transmission groove has been seted up in the link, the transmission inslot rotation is connected with drive gear, the meshing is connected with two drive racks on the drive gear, set up the transmission mouth with drive rack looks adaptation in the link, the one end fixedly connected with short circuit pole of drive rack, the one end fixedly connected with sticiss plate of short circuit pole, the sticiss plate corresponds with the winding roller position, one side fixedly connected with motor of link, the drive end and the drive gear fixed connection of motor.

Preferably, the power is placed at the top of workstation, electric putter, driving motor, electric telescopic handle, motor, pneumatic cylinder all with power electric connection, the power is installed in one side of mount.

Preferably, the power supply is covered with a dust cover, one side of the dust cover is fixedly connected with a controller, and the electric push rod, the driving motor, the electric telescopic rod, the motor, the hydraulic cylinder and the power supply are electrically connected with the controller.

Compared with the related art, the tensile strength testing device for the automobile safety belt has the following beneficial effects:

according to the utility model, the safety belt passes through the positioning rod and two ends of the safety belt are inserted into the positioning opening, the internal thread pipe is pushed to press the positioning plate to press two ends of the safety belt by utilizing the rotation of the external thread rod, meanwhile, the winding roller is rotated to wind the safety belt for one circle, the tensile strength test can be carried out, when the safety belt is taken out, the winding roller is rotated to loosen the safety belt, and then the external thread rod is rotated to drive the positioning plate to move to loosen the two ends of the safety belt, so that the situation that the end part of the automobile safety belt is pulled more tightly and is difficult to detach during the test is avoided, the time consumed by the removal of the safety belt is shortened, and the test efficiency of the automobile safety belt tensile strength test device is improved.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of an automobile safety belt tensile strength testing device;

FIG. 2 is a schematic view of a workbench in an automobile safety belt tensile strength testing device;

FIG. 3 is a schematic diagram of a transmission gear in an automobile seat belt tensile strength testing device;

fig. 4 is a schematic structural view of a clamping plate in an automobile safety belt tensile strength testing device.

Reference numerals in the drawings: 1. a work table; 2. a controller; 3. a dust cover; 4. a power supply; 5. a fixing frame; 6. an electric push rod; 7. a positioning frame; 8. a positioning rod; 9. an electric telescopic rod; 10. a driving motor; 11. a connecting frame; 12. a pressing plate; 13. a short connecting rod; 14. a drive rack; 15. a knob; 16. a carriage; 17. a hydraulic cylinder; 18. a motor; 19. winding a roller; 20. a pulley aid; 21. a transmission gear; 22. an internally threaded tube; 23. a positioning plate; 24. an external threaded rod.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the indicated apparatus or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one, given by fig. 1-4, an automobile safety belt tensile strength testing arrangement, including workstation 1, the top fixedly connected with mount 5 of workstation 1, fixedly connected with electric putter 6 in the mount 5, electric putter 6's flexible end fixedly connected with locating rack 7, fixedly connected with locating lever 8 in the locating rack 7, be provided with carriage 16 in workstation 1, fixedly connected with pneumatic cylinder 17 in the carriage 16, pneumatic cylinder 17 includes the piston rod of sliding arrangement in its inside, the one end fixedly connected with link 11 of piston rod, link 11 internal rotation is connected with around roller 19, run through in the roller 19 and offered the constant head tank, sliding connection has locating plate 23 in the constant head tank, one side fixedly connected with internal thread pipe 22 of locating plate 23, be connected with external threaded rod 24 around roller 19 internal thread pipe 22 internal rotation, external threaded rod 24 and internal thread pipe 22 threaded connection, the top fixedly connected with driving motor 10 of link 11, driving end and the roller 19 fixed connection around roller 10, through passing locating lever 8 and inserting its both ends into the piston rod that slides in its inside, the one end fixedly connected with pneumatic cylinder 11, the one end of piston rod is difficult to take out the automobile safety belt and the end is realized when the two ends are rolled up the internal thread pipe 22 and the internal thread pipe is rotated, the test strip is rolled up and the end is rolled up to the end and the end is rolled down in the automobile safety belt is difficult to the test and the end is rolled down, the end is rolled down to the end is removed in the test and can be difficult to take out the safety belt and the end is rolled down to the end and rolled down.

In the second embodiment, on the basis of the first embodiment, a plurality of guide rods are fixedly connected to one side of the positioning plate 23, guide holes matched with the guide rods are formed in the winding roller 19, the guide rods are in sliding connection with the guide holes, the guide holes are formed in one side of the winding roller 19, the external threaded rod 24 extends to the end part outside the winding roller 19 and is fixedly connected with the knob 15, the positioning plate 23 can be guided by relative sliding between the guide rods and the guide holes, the positioning plate 23 cannot be influenced by rotation of the external threaded rod 24, the rotation of the external threaded rod 24 enables the internal threaded pipe 22 to slide on the internal threaded pipe to push the positioning plate 23 to move, a sliding groove matched with the sliding frame 16 is formed in the working table 1, the sliding frame 16 is in sliding connection with the sliding groove, the top of the working table 1 is fixedly connected with the electric telescopic rod 9, the telescopic end of the electric telescopic rod 9 is fixedly connected with the sliding frame 16, the bottom of the sliding frame 16 is rotationally connected with a plurality of auxiliary pulleys 20, the auxiliary pulleys 20 are connected with the sliding frame 20 at the middle part of the sliding frame 20, and the sliding grooves are formed between the sliding pulleys 20 and the sliding frame 20 and the sliding grooves are equidistant.

In the third embodiment, on the basis of the first embodiment, a transmission groove is formed in the connecting frame 11, a transmission gear 21 is rotationally connected in the transmission groove, two transmission racks 14 are connected to the transmission gear 21 in a meshed manner, a transmission port matched with the transmission racks 14 is formed in the connecting frame 11, one end of the transmission racks 14 is fixedly connected with a shorting bar 13, one end of the shorting bar 13 is fixedly connected with a compacting plate 12, the compacting plate 12 corresponds to the position of the winding roller 19, one side of the connecting frame 11 is fixedly connected with a motor 18, the driving end of the motor 18 is fixedly connected with the transmission gear 21, in an initial state, most of the volume of the transmission racks 14 is positioned outside the connecting frame 11, the compacting plate 12 is also positioned far from the winding roller 19, after the winding roller 19 rotates to wind a circle of automobile safety belt, the motor 18 is started to enable the transmission gear 21 to rotate, the rotation of the transmission gear 21 is utilized to enable the two transmission racks 14 meshed with the transmission gear to move towards opposite directions, so that the two compacting plates 12 clamp the safety belt on the surface of the winding roller 19, the end fixing stability of the safety belt is further improved, the power supply 4 is arranged at the top of the workbench 1, the electric push rod 6, the driving motor 10, the electric telescopic rod 9, the motor 18 and the hydraulic cylinder 17 are electrically connected with the power supply 4, the power supply 4 is arranged on one side of the fixing frame 5, the power supply 4 can supply power to the electric push rod 6, the driving motor 10, the electric telescopic rod 9, the motor 18 and the hydraulic cylinder 17 through the power supply 4, the dust cover 3 is covered on the power supply 4, one side of the dust cover 3 is fixedly connected with the controller 2, the electric push rod 6, the driving motor 10, the electric telescopic rod 9, the motor 18, the hydraulic cylinder 17 and the power supply 4 are electrically connected with the controller 2, and the electric push rod 6, the driving motor 10, the electric telescopic rod 9 and the hydraulic cylinder 9 are controlled through the controller 2, the motor 18, the hydraulic cylinder 17 and the power supply 4 are deactivated.

Working principle:

by inserting one end of the safety belt into the positioning hole through the positioning rod 8 and inserting both ends of the safety belt into the positioning hole, applying force to the knob 15 to rotate the external threaded rod 24, pushing the positioning plate 23 to move by the rotation of the external threaded rod 24 along the guiding direction of the guiding rod to compress both ends of the safety belt, simultaneously starting the driving motor 10 to rotate the winding roller 19 to wind the safety belt for one circle, starting the motor 18 to rotate the transmission gear 21, moving the two transmission racks 14 meshed with the transmission gear 21 in opposite directions by the rotation of the transmission gear 21, so that the two compressing plates 12 clamp the safety belt on the surface of the winding roller 19, further improving the stability of the end fixing of the safety belt, the tensile strength test can be performed, the operation is that the hydraulic cylinder 17 is started to retract the piston rod towards the inside, the automobile safety belt is pulled and pulled by the connecting frame 11 and the positioning frame 7, in the process, the telescopic end of the electric telescopic rod 9 is electrified to push the sliding frame 16 to move, so that the pulling direction and the position are changed when the tensile strength test is carried out, the telescopic end of the electric telescopic rod is matched with the electrified start of the electric push rod 6 to drive the positioning frame 7 to lift and lower one end of the automobile safety belt, the height of the automobile safety belt on the connecting frame 11 is inconvenient, the matching is used for adjusting the pulling angle of the automobile safety belt, the tensile strength test of the automobile safety belt is comprehensively carried out, when the safety belt is taken out, the starting motor 18 drives the transmission gear 21 and the transmission rack 14 to drive the clamping plate 12 to move and far away from the winding roller 19, the driving motor 10 is started to rotate the winding roller 19 to release the safety belt, the externally threaded rod 24 is further rotated to drive the positioning plate 23 to move and release the two ends of the safety belt, and the externally threaded pipe 22 can be easily taken down, the situation that the automobile safety belt end is pulled more and tighter and is difficult to remove during testing is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile safety belt tensile strength testing arrangement, its characterized in that, including workstation (1), the top fixedly connected with mount (5) of workstation (1), fixedly connected with electric putter (6) in mount (5), the flexible end fixedly connected with locating rack (7) of electric putter (6), fixedly connected with locating lever (8) in locating rack (7), be provided with carriage (16) in workstation (1), fixedly connected with pneumatic cylinder (17) in carriage (16), pneumatic cylinder (17) are including the piston rod of sliding setting in its inside, the one end fixedly connected with link (11) of piston rod, link (11) internal rotation is connected with around roller (19), around the locating opening has been seted up to running-through in roller (19), one side fixedly connected with internal thread pipe (22) of locating plate (23), around roller (19) internal rotation is connected with outer (24), outer motor (24) and threaded rod (22) and threaded connection's drive end (10) drive end fixedly connected with motor (10).

2. The automobile safety belt tensile strength testing device according to claim 1, wherein one side of the positioning plate (23) is fixedly connected with a plurality of guide rods, guide holes matched with the guide rods are formed in the winding roller (19), the guide rods are slidably connected with the guide holes, the guide holes are formed in one side of the winding roller (19), and the externally threaded rod (24) extends to the end part outside the winding roller (19) and is fixedly connected with a knob (15).

3. The automobile safety belt tensile strength testing device according to claim 1, wherein a sliding groove matched with the sliding frame (16) is formed in the workbench (1), the sliding frame (16) is in sliding connection with the sliding groove, an electric telescopic rod (9) is fixedly connected to the top of the workbench (1), and the telescopic end of the electric telescopic rod (9) is fixedly connected with the sliding frame (16).

4. A car safety belt tensile strength testing device according to claim 3, characterized in that the bottom of the sliding frame (16) is rotatably connected with a plurality of auxiliary pulleys (20), the auxiliary pulleys (20) are slidably connected with the sliding grooves, the auxiliary pulleys (20) are arranged in the middle of the sliding frame (16), and a plurality of auxiliary pulleys (20) are equidistantly arranged.

5. The automobile safety belt tensile strength testing device according to claim 1, characterized in that a transmission groove is formed in the connecting frame (11), a transmission gear (21) is connected in the transmission groove in a rotating mode, two transmission racks (14) are connected to the transmission gear (21) in a meshed mode, a transmission port matched with the transmission racks (14) is formed in the connecting frame (11), a shorting rod (13) is fixedly connected to one end of the transmission racks (14), a pressing plate (12) is fixedly connected to one end of the shorting rod (13), the pressing plate (12) corresponds to a winding roller (19) in position, a motor (18) is fixedly connected to one side of the connecting frame (11), and a driving end of the motor (18) is fixedly connected with the transmission gear (21).

6. The automobile safety belt tensile strength testing device according to any one of claims 1-5, wherein a power supply (4) is placed at the top of the workbench (1), the electric push rod (6), the driving motor (10), the electric telescopic rod (9), the motor (18) and the hydraulic cylinder (17) are electrically connected with the power supply (4), and the power supply (4) is installed on one side of the fixing frame (5).

7. The automobile safety belt tensile strength testing device according to claim 6, wherein a dust cover (3) is covered on the power supply (4), one side of the dust cover (3) is fixedly connected with the controller (2), and the electric push rod (6), the driving motor (10), the electric telescopic rod (9), the motor (18), the hydraulic cylinder (17) and the power supply (4) are electrically connected with the controller (2).