Tension testing device for steel wire rope of safety belt

Abstract

The utility model discloses a tension testing device for a safety belt steel wire rope. The tension test device comprises a workbench, a tension test driving device, a positioning seat and a tension seat, a support is provided with a through hole, the positioning seat is provided with a protrusion, the workbench is provided with a pressing arm device, the tension seat is provided with a clamping block, and the pressing arm device is pressed and positioned on the protrusion to position the support. And meanwhile, the steel wire rope body is clamped through the clamping block, so that the tension test can be carried out through the driving of the tension test driving device. The device has the advantages that the whole testing process is completed under the condition of horizontal force, and the tension seat is guided by the guide rail, so that interference factors in the testing process are eliminated, the testing accuracy is greatly improved, the reliability in the testing process is ensured, the testing effect is further improved, the testing quality is ensured, and the production risk of an enterprise is effectively reduced.

Description

Technical Field

[0001] The utility model relates to a processing device for a safety belt steel wire rope, in particular to a tension testing device for a safety belt steel wire rope. Background Art

[0002] The safety belt wire rope includes a bracket and a steel wire riveted with the bracket. After processing, the safety belt wire rope needs to be subjected to a tension test to detect whether the product is qualified. In the prior art, one end of the product is usually fixed, and the other end is pulled by a tensile testing machine to obtain the tension data. The existing tension testing method is often affected by various factors such as the pulling angle, the preset pulling position, and the setting of the pulling position, resulting in inaccurate tension test data, affecting the judgment of product quality, thereby mistaking qualified products for unqualified products and discarding them, resulting in a waste of production costs, and mistaking unqualified products for qualified products, resulting in the risk of unqualified products flowing out, bringing unnecessary trouble and losses to production companies. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a tension testing device for a safety belt steel wire rope which can ensure the accuracy of tension testing, thereby ensuring the output quality of products and reducing the production risks of enterprises.

[0004] In order to solve the above-mentioned technical problems, the utility model provides a tension testing device for a safety belt wire rope, comprising a workbench, a tension testing driving device arranged on the workbench, a positioning seat for positioning a bracket of a safety wire rope, and a tension seat capable of reciprocating relative to the positioning seat and for clamping a wire rope body of the safety wire rope, the bracket being provided with a through hole, the positioning seat being provided with a protrusion for passing through the through hole of the bracket, a pressing arm device being located behind the positioning seat and for clamping and positioning on the protrusion, the tension seat being provided with a clamping block for clamping the wire rope body, the bracket being positioned on the protrusion by the pressing arm device, and the wire rope body being clamped by the clamping block, so that the tension testing driving device can be driven to perform a tension test.

[0005] The tension seat comprises a seat plate, a fixed seat arranged on the top of the seat plate and a sliding block arranged on the bottom of the seat plate, and the workbench is provided with a guide rail matched with the sliding block.

[0006] The arm pressing device includes a seat frame, a pressing block and a cylinder. The pressing block is hinged on the telescopic end of the cylinder. A swing arm is hinged between the seat frame and the pressing block. The swing arm can be swung and pressed against the protrusion of the positioning seat by the drive of the cylinder.

[0007] The workbench is provided with a limit switch for limiting the working position of the tension seat.

[0008] The positioning seat is provided with a placement groove for placing the bracket.

[0009] The two side end surfaces of the workbench are provided with guide blocks, the guide blocks are provided with guide grooves, and the fixed seat is provided with a sliding arm inserted into the guide groove and sliding along the guide block.

[0010] A waist-shaped groove is arranged at the bottom of the workbench, and the workbench can be fixed on the ground by anchor bolts connected in series in the waist-shaped groove.

[0011] After adopting the above structure, a positioning seat is set to position the bracket of the safety wire rope, and a tension seat can reciprocate relative to the positioning seat and is used to clamp the wire rope body of the safety wire rope, so that the safety belt wire rope can be placed between the positioning seat and the tension seat, so that the tension test can be driven by a conventional tension test drive device, and the entire test process is completed under the condition of horizontal force and the tension seat is guided by a guide rail, thereby eliminating interference factors in the test process and greatly improving the test accuracy. In particular, the workbench is provided with a pressure arm device located behind the positioning seat and used to clamp and position it on the protrusion, and the tension seat is provided with a clamping block for clamping the wire rope body, and the pressure arm device can be clamped and positioned on the protrusion to position the bracket, thereby ensuring the reliability of the test process, further improving the test effect, ensuring the test quality, and effectively reducing the production risk of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the tension testing device for the safety belt steel wire rope of the utility model;

[0013] Figure 2 This is a schematic diagram of the main structure of the tension testing device for the safety belt steel wire rope of the utility model;

[0014] Figure 3 It is a top view structural schematic diagram of the tension testing device for the safety belt steel wire rope of the utility model;

[0015] Figure 4 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0016] Figure 5 for Figure 1 A schematic diagram of the enlarged structure at B;

[0017] Figure 6 This is a schematic diagram of the structure of the safety belt wire rope. DETAILED DESCRIPTION

[0018] The tension testing device for a safety belt steel wire rope of the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] As shown in the figure, the tension test device for the safety belt wire rope of the utility model comprises a workbench 1, a tension test drive device 2 arranged on the workbench 1, a positioning seat 4 for positioning the bracket 3 of the safety wire rope, and a tension seat 6 that can reciprocate relative to the positioning seat and is used to clamp the wire rope body 5 of the safety wire rope. The tension test drive device 2 adopts a conventional tension test drive device, which is not described in detail in the utility model. A through hole 7 is provided on the bracket 3, a protrusion 8 for passing through the through hole of the bracket is provided on the positioning seat 4, and an arm pressure device 9 located behind the positioning seat and used for pressing and positioning on the protrusion is provided on the workbench 1, wherein the arm pressure device 9 comprises a seat frame 15, a pressure block 16 and a cylinder 17, the pressure block 16 is hinged on the telescopic end of the cylinder 17, a swing arm 18 is hinged between the seat frame 15 and the pressure block 16, and a swing arm 18 is driven by the cylinder 17. The movement can make the swing arm swing and then press against the protrusion 8 of the positioning seat 4. The tension seat 6 includes a seat plate 11, a fixed seat 12 arranged on the top of the seat plate and a slider 13 arranged at the bottom of the seat plate. A guide rail 14 cooperating with the slider is arranged on the workbench 1. The tension seat 6 can move back and forth on the workbench 1 through the arranged guide rail 14. The tension seat 6 is provided with a clamping block 10 for clamping the wire rope body. The height of the clamping block 10 is equivalent to the height of the protrusion 8. The positioning seat is provided with a placement groove 20 for placing the bracket 3, so that the bracket 3 can be placed in the placement groove 20 to ensure the reliability of the placement. The protrusion 8 is located at the center of the placement groove. The bracket 3 is positioned by pressing and positioning it on the protrusion through the pressure arm device 9, and the wire rope body is clamped by the clamping block 9, so that the tension test can be driven by the tension test driving device 2 to perform a tension test.

[0020] Furthermore, the workbench 1 is provided with a limit switch 19 for limiting the working position of the tension seat 6. The limit switch ensures that the tension seat 6 works within the required working range, thereby ensuring the reliability of the work.

[0021] Furthermore, the two side end faces of the workbench 1 are provided with guide blocks 21, the guide blocks are provided with guide grooves, and the fixed seat 12 is provided with a slide arm 22 inserted into the guide groove and sliding along the guide block, thereby realizing quick installation and auxiliary guiding of the tension seat 6.

[0022] Furthermore, a waist-shaped groove 23 may be provided at the bottom of the workbench 1, and the workbench can be fixed on the ground by anchor bolts connected in series in the waist-shaped groove, and the position of the workbench can be changed by the provided waist-shaped groove.

[0023] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A tension test device for a safety belt steel wire rope, characterized in that: The invention comprises a workbench (1), a tension test drive device (2) arranged on the workbench (1), a positioning seat (4) for positioning a support (3) of a safety steel wire rope, and a tension seat (6) capable of reciprocating relative to the positioning seat and for clamping a steel wire rope body (5) of the safety steel wire rope, wherein the support (3) is provided with a through hole (7), the positioning seat (4) is provided with a protrusion (8) for passing through the through hole of the support, the workbench (1) is provided with a pressing arm device (9) located behind the positioning seat and used for pressing and positioning on the protrusion, and the tension seat (6) is provided with a clamping block (10) for clamping the steel wire rope body, the support (3) is positioned by pressing and positioning on the protrusion by the pressing arm device (9), and the steel wire rope body is clamped by the clamping block (10), so that the tension test drive device (2) can be driven to perform a tension test.

2. The tension test device for a safety belt steel wire rope according to claim 1, characterized in that: The tension seat (6) comprises a seat plate (11), a fixed seat (12) arranged on the top of the seat plate, and a sliding block (13) arranged on the bottom of the seat plate, and a guide rail (14) cooperating with the sliding block is arranged on the workbench (1).

3. The tension testing device for a safety belt steel wire rope according to claim 1 or 2, characterized in that: The arm pressing device (9) comprises a seat frame (15), a pressing block (16) and a cylinder (17); the pressing block (16) is hinged on the telescopic end of the cylinder (17); a swing arm (18) is hinged between the seat frame (15) and the pressing block (16); the swing arm can be driven by the cylinder (17) to swing and then press against the protrusion (8) of the positioning seat (4).

4. The tension test device for a safety belt steel wire rope according to claim 3, characterized in that: The workbench (1) is provided with a limit switch (19) for limiting the working position of the tension seat (6).

5. The tensile testing device for a safety belt steel wire rope according to claim 1, 2 or 4, characterized in that: The positioning seat is provided with a placement groove (20) for placing the bracket (3).

6. The tension test device for a safety belt steel wire rope according to claim 2, characterized in that: The two side end surfaces of the workbench (1) are provided with guide blocks (21), the guide blocks are provided with guide grooves, and the fixed seat (12) is provided with a sliding arm (22) inserted into the guide groove and sliding along the guide block.

7. The tension test device for a safety belt steel wire rope according to claim 6, characterized in that: The bottom of the workbench (1) is provided with a waist-shaped groove (23), and the workbench can be fixed on the ground by means of anchor bolts connected in series in the waist-shaped groove.

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