Tool for detecting winding tightness of steel wire rope by lifting automobile window

Abstract

The utility model discloses a tool for detecting the winding tightness of a steel wire rope by lifting an automobile window, which relates to the technical field of automobile window lifting detection, and comprises a workbench, a first limiting mechanism, a second limiting mechanism and a displacement detection mechanism, and the left side and the right side of the workbench are respectively provided with a positioning block I and a positioning block II; the first positioning block and the second positioning block are provided with a first positioning groove and a second positioning groove respectively, wherein the first positioning groove and the second positioning groove are used for limiting the lifter. The lifter is fixed on the first positioning block and the second positioning block on the workbench through the first limiting mechanism and the second limiting mechanism, the first pressing head part and the second pressing head part of the pulling force hook of the displacement detection mechanism move downwards, and the pull-down distance is calculated through the displacement sensor. And the fourth cylinder feeds back the downward pulling force through a force sensor, so that the winding tightness of the steel wire rope of the lifter can be quickly detected.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile window lifting detection, in particular to a tool for detecting the winding tightness of a steel wire rope for automobile window lifting detection. Background Art

[0002] During the production of automobile window glass lifter components, if the wire rope of the lifter is too loose and is not inspected, the wire rope may become twisted after the lifter system wears out. The tightness of the wire rope of the lifter after winding needs to be inspected, but the existing inspection method generally uses a vernier caliper to measure the dimensional changes of the spring in the tensioned and relaxed states. The whole process is time-consuming and labor-intensive, and a full inspection cannot be carried out. Only spot checks can be carried out, and outflow cannot be 100% prevented. Utility Model Content

[0003] The utility model aims to provide a tool for detecting the tightness of winding of a steel wire rope for lifting and lowering a car window, so as to overcome the above-mentioned defects in the prior art.

[0004] A tool for detecting the tightness of winding of a steel wire rope for lifting a car window, comprising a workbench, a first limiting mechanism, a second limiting mechanism and a displacement detection mechanism, wherein a first positioning block and a second positioning block are respectively arranged on the left and right sides of the workbench, and a first positioning groove and a second positioning groove are respectively arranged on the first positioning block and the second positioning block for limiting the lifting device;

[0005] The first limiting mechanism and the second limiting mechanism are respectively arranged at the front and rear sides of the workbench and are used to fix the lifter on the first positioning block and the second positioning block;

[0006] The displacement detection mechanism is arranged at the front side of the workbench and at a side away from the first limiting mechanism, and is used to detect the winding tightness of the steel wire rope of the elevator.

[0007] Preferably, the first limiting mechanism includes a first cylinder, a movable plate 1 and a bracket, the cylinder body of the first cylinder is installed at the bottom of the workbench, the movable plate 1 is an "L"-shaped structure and is connected to the end of the piston rod of the first cylinder, and the movable plate 1 is slidably connected to the cylinder body of the first cylinder, the lower end of the bracket is connected to the movable plate 1, and the upper end of the bracket is provided with a limiting block, the limiting block is provided with a limiting groove that cooperates with the protrusion on the lifter, and the limiting groove is provided with a plurality of insertion rods for inserting into the protrusion.

[0008] Preferably, the second limiting mechanism includes a second cylinder, a pressure plate, a fixed frame and a connecting plate. The cylinder body of the second cylinder is vertically installed on the top of the workbench. One end of the pressure plate is hinged to the end of the piston rod of the second cylinder through a pin. The fixed frame is arranged on the top of the cylinder body of the second cylinder. One end of the connecting plate is hinged to the fixed frame through a pin, and the other end of the connecting plate is hinged to the pressure plate through a pin.

[0009] Preferably, the displacement detection mechanism includes a third cylinder, a movable plate 2, a fourth cylinder, a movable plate 3 and a displacement sensor, the cylinder body of the third cylinder is installed on the side of the lower support plate at the bottom of the workbench, the movable plate 2 is an "L"-shaped structure and is connected to the end of the piston rod of the third cylinder, and the movable plate 2 is slidably connected to the cylinder body of the third cylinder, a pad is provided on the side of the movable plate 2, the cylinder body of the fourth cylinder is installed on the side of the pad, the movable plate 3 is an "L"-shaped structure and is connected to the end of the piston rod of the fourth cylinder, and the movable plate 3 is slidably connected to the cylinder body of the fourth cylinder, a tension hook is provided on the top of the movable plate 3, and a pressure head 1 and a pressure head 2 are respectively provided on the front and rear sides of the tension hook, and the displacement sensor is arranged on the pad and is located directly below the pressure head 1.

[0010] Preferably, handles are symmetrically provided on both sides of the workbench.

[0011] The utility model has the following advantages:

[0012] When the utility model is in use, the lifter is fixed on the positioning block one and the positioning block two on the workbench through the first limiting mechanism and the second limiting mechanism, and then the pressure head part one and the pressure head part two of the tension hook of the displacement detection mechanism are moved downward, and the downward pulling distance is calculated by the displacement sensor, and the fourth cylinder feeds back the downward pulling force through the force sensor, so as to quickly detect the tightness of the wire rope winding of the lifter. The tooling of the present application meets the function of fully detecting the tightness of the wire rope winding of the lifter, avoiding the risk of multiple assemblies being unqualified and unable to be detected during the assembly process and entering the market. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 and Figure 2 It is a schematic diagram of the structure of the utility model at different angles.

[0014] Figure 3 It is a structural schematic diagram of the first limiting mechanism of the utility model.

[0015] Figure 4 It is a structural schematic diagram of the second limiting mechanism of the utility model.

[0016] Figure 5 and Figure 6 It is a schematic diagram of the structure of the displacement detection mechanism of the utility model at different angles.

[0017] Among them: 1. workbench; 11. positioning block one; 12. positioning block two; 13. handle; 2. first limiting mechanism; 21. first cylinder; 22. moving plate one; 23. bracket; 24. limiting block; 241. limiting groove; 25. insertion rod; 3. second limiting mechanism; 31. second cylinder; 32. pressure plate; 33. fixing frame; 34. connecting plate; 4. displacement detection mechanism; 41. third cylinder; 42. lower support plate; 43. moving plate two; 44. pad; 45. fourth cylinder; 46. moving plate three; 47. tension hook; 471. pressing head one; 472. pressing head two; 48. displacement sensor. DETAILED DESCRIPTION

[0018] The specific implementation methods of the utility model are further explained in detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the utility model.

[0019] like Figure 1-6 As shown, the utility model provides a tooling for detecting the tightness of winding of a steel wire rope for lifting a car window, comprising a workbench 1, a first limiting mechanism 2, a second limiting mechanism 3 and a displacement detecting mechanism 4. Handles 13 are symmetrically arranged on both sides of the workbench 1 to facilitate the transfer of the workbench 1. Positioning blocks 11 and 12 are respectively arranged on the left and right sides of the workbench 1. Positioning grooves 1 and 12 are respectively arranged on the positioning blocks 11 and 12 for limiting the lifter. The first limiting mechanism 2 and the second limiting mechanism 3 are respectively arranged on the front and rear sides of the workbench 1 and are used to fix the lifter on the positioning blocks 11 and 12. The displacement detecting mechanism 4 is arranged on the front side of the workbench 1 and on the side away from the first limiting mechanism 2, and is used to detect the tightness of winding of the steel wire rope of the lifter.

[0020] It should be noted that the first limiting mechanism 2 includes a first cylinder 21, a movable plate 22 and a bracket 23. The cylinder body of the first cylinder 21 is installed at the bottom of the workbench 1. The movable plate 22 is an "L"-shaped structure and is connected to the end of the piston rod of the first cylinder 21, and the movable plate 22 is slidably connected to the cylinder body of the first cylinder 21. The lower end of the bracket 23 is connected to the movable plate 22, and the upper end of the bracket 23 is provided with a limiting block 24. The limiting block 24 is provided with a limiting groove 241 that cooperates with the protrusion on the lifter. The limiting groove 241 is provided with a plurality of insertion rods 25 for inserting into the protrusion, and the lifter is limited and fixed by the first limiting mechanism 2.

[0021] In addition, the second limiting mechanism 3 includes a second cylinder 31, a pressure plate 32, a fixing frame 33 and a connecting plate 34. The cylinder body of the second cylinder 31 is vertically installed on the top of the workbench 1. One end of the pressure plate 32 is hinged to the piston rod end of the second cylinder 31 through a pin shaft. The fixing frame 33 is arranged on the top of the cylinder body of the second cylinder 31. One end of the connecting plate 34 is hinged to the fixing frame 33 through a pin shaft. The other end of the connecting plate 34 is hinged to the pressure plate 32 through a pin shaft. The lifter is pressed and fixed by the second limiting mechanism 3.

[0022] In addition, the displacement detection mechanism 4 includes a third cylinder 41, a movable plate 2 43, a fourth cylinder 45, a movable plate 3 46 and a displacement sensor 48, the cylinder body of the third cylinder 41 is installed on the side of the lower support plate 42 at the bottom of the workbench 1, the movable plate 2 43 is an "L"-shaped structure and is connected to the piston rod end of the third cylinder 41, and the movable plate 2 43 is slidably connected to the cylinder body of the third cylinder 41, a pad 44 is provided on the side of the movable plate 2 43, the cylinder body of the fourth cylinder 45 is installed on the side of the pad 44, the movable plate 3 46 is an "L"-shaped structure and is connected to the piston rod end of the fourth cylinder 45, and the movable plate 3 46 is slidably connected to the cylinder body of the fourth cylinder 45, a tension hook 47 is provided on the top of the movable plate 3 46, and a pressure head 1 471 and a pressure head 2 472 are respectively provided on the front and rear sides of the tension hook 47, and the displacement sensor 48 is arranged on the pad 44 and is located directly below the pressure head 1 471.

[0023] Specific implementation and principle:

[0024] In actual application, the two ends of the lifter to be tested are placed in the positioning grooves 1 and 2 of the positioning blocks 11 and 12 on the left and right sides of the workbench 1 respectively, and then the piston rod of the first cylinder 21 drives the moving plate 22 and the bracket 23 to move, so that the protruding part of the lifter is located in the limiting groove 241 of the limiting block 24, and the insert rod 25 is inserted into the protruding part to limit the lifter, and at the same time, the piston rod of the second cylinder 31 drives the pressing plate 32 to rotate to press the lifter, and then the activity of the third cylinder 41 The plug rod drives the movable plate 2 43 to move, so that the pressure head 2 472 of the tension hook 47 moves to above the wire rope of the lifter, and the piston rod of the fourth cylinder 45 drives the movable plate 3 46 and the tension hook 47 to move downward, and the pressure head 1 471 drives the measuring axis of the displacement sensor 48 to move, and the displacement sensor 48 calculates the downward pulling distance. The fourth cylinder 45 feeds back the size of the downward pulling force through the force sensor, and the set tension of the fourth cylinder 45 is used to test the downward moving distance of the wire rope when the tension remains unchanged, so as to confirm the tightness of the entire product.

[0025] In summary, the utility model fixes the lifter on the positioning block 11 and the positioning block 2 12 on the workbench 1 through the first limiting mechanism 2 and the second limiting mechanism 3, and then moves the pressure head 1 471 and the pressure head 2 472 of the tension hook 47 of the displacement detection mechanism 4 downward, calculates the downward pulling distance through the displacement sensor 48, and the fourth cylinder 45 feeds back the downward pulling force through the force sensor, so that the winding tightness of the lifter wire rope can be quickly detected;

[0026] The tooling of the present application satisfies the function of fully detecting the tightness of the winding of the hoist wire rope, thereby avoiding the risk of multiple assemblies being unqualified and unable to be detected during the assembly process and entering the market.

[0027] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A tool for detecting the tightness of steel wire rope winding for automobile window lifting, characterized in that: The invention comprises a workbench (1), a first limiting mechanism (2), a second limiting mechanism (3) and a displacement detection mechanism (4); a first positioning block (11) and a second positioning block (12) are respectively provided on the left and right sides of the workbench (1); and a first positioning groove and a second positioning groove for limiting the position of the lifter are respectively provided on the first positioning block (11) and the second positioning block (12); The first limiting mechanism (2) and the second limiting mechanism (3) are respectively arranged on the front and rear sides of the workbench (1) and are used to fix the lifter on the first positioning block (11) and the second positioning block (12); The displacement detection mechanism (4) is arranged on the front side of the workbench (1) and on a side away from the first limiting mechanism (2), and is used to detect the winding tightness of the steel wire rope of the elevator.

2. The tool for detecting the tightness of winding of steel wire rope for lifting and lowering automobile windows according to claim 1 is characterized in that: The first limiting mechanism (2) comprises a first cylinder (21), a movable plate (22) and a bracket (23); the cylinder body of the first cylinder (21) is mounted on the bottom of the workbench (1); the movable plate (22) is an "L"-shaped structure and is connected to the end of the piston rod of the first cylinder (21); the movable plate (22) is slidably connected to the cylinder body of the first cylinder (21); the lower end of the bracket (23) is connected to the movable plate (22); the upper end of the bracket (23) is provided with a limiting block (24); the limiting block (24) is provided with a limiting groove (241) that cooperates with the protruding portion on the lifter; the limiting groove (241) is provided with a plurality of insertion rods (25) for inserting into the protruding portion.

3. The tool for detecting the tightness of winding of steel wire rope for lifting and lowering automobile windows according to claim 1 is characterized by: The second limiting mechanism (3) comprises a second cylinder (31), a pressure plate (32), a fixing frame (33) and a connecting plate (34); the cylinder body of the second cylinder (31) is vertically mounted on the top of the workbench (1); one end of the pressure plate (32) is hinged to the end of the piston rod of the second cylinder (31) via a pin; the fixing frame (33) is arranged on the top of the cylinder body of the second cylinder (31); one end of the connecting plate (34) is hinged to the fixing frame (33) via a pin; and the other end of the connecting plate (34) is hinged to the pressure plate (32) via a pin.

4. The tool for detecting the tightness of winding of steel wire rope for lifting and lowering automobile windows according to claim 1 is characterized in that: The displacement detection mechanism (4) comprises a third cylinder (41), a second moving plate (43), a fourth cylinder (45), a third moving plate (46) and a displacement sensor (48); the cylinder body of the third cylinder (41) is mounted on the side of a lower support plate (42) at the bottom of the workbench (1); the second moving plate (43) is an "L"-shaped structure and is connected to the end of the piston rod of the third cylinder (41); the second moving plate (43) is slidably connected to the cylinder body of the third cylinder (41); a pad (44) is provided on the side of the second moving plate (43); and the fourth moving plate (45) is provided on the side of the third moving plate (46). The cylinder body of the air cylinder (45) is mounted on the side of the backing plate (44); the movable plate three (46) is an "L"-shaped structure and is connected to the end of the piston rod of the fourth air cylinder (45); the movable plate three (46) is slidably connected to the cylinder body of the fourth air cylinder (45); a tension hook (47) is provided on the top of the movable plate three (46); a pressure head part one (471) and a pressure head part two (472) are provided on the front and rear sides of the tension hook (47); the displacement sensor (48) is arranged on the backing plate (44) and is located directly below the pressure head part one (471).

5. The tool for detecting the tightness of winding of steel wire rope for lifting and lowering automobile windows according to claim 1 is characterized in that: Handles (13) are symmetrically provided on both sides of the workbench (1).

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