Length calibration table for pull rope type length measurement sensor

Abstract

The utility model discloses a length calibration platform for a pull rope type length measuring sensor, which comprises a rack, an electrical room is arranged in the rack, a calibration frame is arranged at the upper part of the rack, a display and a calibrated product are arranged on one side of the calibration frame, and the pull rope type length calibration efficiency and the product calibration precision are improved. Deviation of feedback data of equipment caused by actual use is reduced, and inaccurate length measurement parameters of a product are avoided. According to the principle, a product to be measured is fixed to calibration equipment, a steel wire rope to be measured is fixed to a power reel, the power reel is driven by a servo motor, and meanwhile parameter values of an encoder in the servo motor are collected. The product precision is calibrated according to the precision of the encoder, the product output signal is compared with the encoder signal, the precision error is displayed on the display in real time, and when the product precision deviation is too large, the product program is modified through the computer to improve the product precision.

Description

Technical Field

[0001] The utility model relates to the technical field of calibration of a draw-rope type length measuring sensor, in particular to a length calibration and calibration platform for a draw-rope type length measuring sensor. Background Art

[0002] Drawstring sensors are mainly used to measure the tension of various mechanical equipment, such as automobiles, construction machinery, etc. Through it, the status of the equipment can be monitored in real time, and the load of the equipment can be understood in time, so as to effectively protect the equipment from the hazards of overload or underload. In addition, drawstring sensors can also be used in the field of sports and fitness to measure the tension in weight training.

[0003] In the prior art:

[0004] First, purchase manual calibration, compare with the tape measure parameters, and manually calibrate the length parameters. This method has a very low calibration efficiency and cannot be automatically calibrated.

[0005] Second, the product is installed on the telescopic equipment and then calibrated, which increases the workload of on-site calibration and has low calibration efficiency.

[0006] For this purpose, it is necessary to provide a length calibration platform for a pull-rope type length measuring sensor. Utility Model Content

[0007] In view of the problems existing in the above-mentioned prior art, the utility model provides a length calibration and calibration platform for a pull-rope type length measuring sensor, which aims to improve the efficiency of the pull-rope type length calibration and improve the product calibration accuracy, so as to avoid inaccurate product length measurement parameters.

[0008] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a length calibration and calibration platform for a pull-rope type length measuring sensor, including a frame, the interior of the frame is set as an electrical room, the upper part of the frame is set as a calibration frame, one side of the calibration frame is set as a display and a calibrated product, and the other side of the calibration frame is set as a length calibration tool. An adjustable window is opened on the positive side of the calibration frame, and the adjustable window is used for lateral movement and adjustment of the length calibration tool. The length calibration tool includes a servo motor and a power reel. An adjustment slide rail assembly is fixedly installed inside the calibration frame, and a servo motor is adjustably installed on the adjustment slide rail assembly. One side of the output end of the servo motor extends out of the adjustable window and is fixedly installed with the power reel.

[0009] Preferably, the adjustment slide rail assembly includes a slide rail 1 fixedly mounted on the inner wall of the calibration frame, a slide plate 1 is rollingly mounted on the inner side of the slide rail 1, the slide rail 1 is mounted on a fixed frame through the slide plate 1, and a servo motor is fixedly mounted on the upper part of the fixed frame.

[0010] Preferably, rollers are evenly arranged on one side of slide plate 1 facing slide rail 1, and the rollers are distributed in a fold line direction.

[0011] Preferably, threaded hole one is provided on the calibration frame and slide rail one at positions corresponding to the calibration frame, and threaded hole two is provided on the roller toward slide rail one, and the roller is fixedly installed through threaded hole one and threaded hole two to fix the sliding position of the roller.

[0012] Preferably, the front surface of the calibration frame is located at the bottom of the product to be calibrated and is configured as a mounting frame, and the product to be calibrated is positioned and mounted by the mounting frame.

[0013] In summary, the utility model provides a length calibration and calibration platform for a pull-rope type length measuring sensor. This patent achieves the improvement of the efficiency of the pull-rope type length calibration and the improvement of the product calibration accuracy, reduces the deviation of the equipment feedback data caused by actual use, and avoids inaccurate product length measurement parameters.

[0014] The principle is: fix the product to be tested on the calibration equipment, fix the measured wire rope on the power reel, drive the power reel through the servo motor, and collect the encoder parameter value in the servo motor. Calibrate the product accuracy with the encoder accuracy, compare the product output signal with the encoder signal, and display the accuracy error on the display in real time. When the product has a large accuracy deviation, modify the product program through the computer to improve the product accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the calibration platform of the utility model. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the overall structure of the calibration platform of the utility model. Figure 2 ;

[0017] Figure 3 It is a schematic diagram of the forward structure of the calibration frame of the utility model;

[0018] Figure 4 It is a schematic diagram of the back structure of the calibration frame of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the servo motor installed in the calibration frame of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the installation of the roller and the slide rail of the utility model;

[0021] Figure 7 It is a schematic diagram of the second structure of the roller and the screw hole of the utility model;

[0022] In the figure: electrical room 1, length calibration tool 2, display 3, rack 4, servo motor 5, power reel 6, calibrated product 7, calibration frame 11, adjustable window 12, adjustment slide rail assembly 13, slide rail 1 14, slide plate 1 15, fixing frame 16, roller 17, threaded hole 1 21, screw hole 2 22, mounting frame 23. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 7 As shown:

[0025] The utility model discloses a length calibration and calibration platform for a pull-rope type length measuring sensor, comprising a frame 4, wherein the interior of the frame 4 is arranged as an electrical room 1, the upper part of the frame 4 is arranged as a calibration frame 11, one side of the calibration frame 11 is arranged as a display 3 and a calibrated product 7, the other side of the calibration frame 11 is arranged as a length calibration tool 2, an adjustable window 12 is provided on the positive side of the calibration frame 11, the adjustable window 12 is used for lateral movement and adjustment of the length calibration tool 2, the length calibration tool 2 comprises a servo motor 5 and a power reel 6, an adjustment slide rail assembly 13 is fixedly installed inside the calibration frame 11, the servo motor 5 is adjustably installed on the adjustment slide rail assembly 13, and one side of the output end of the servo motor 5 extends out of the adjustable window 12 and is fixedly installed with the power reel 6.

[0026] In order to solve the technical problems of very low calibration efficiency, inability to automate calibration, and complex workload in the prior art, this patent adopts: an electrical room 1 for calibration is set inside the frame 4, the upper part of the frame 4 is set as a calibration frame 11, and a display 3 is installed on the calibration frame 11. The display 3 is used to collect the encoder parameter value in the servo motor, compare the product output signal with the encoder signal, and display the accuracy error on the display in real time;

[0027] The calibrated product 7 and the length calibration tooling 2 are installed on the calibration frame 11. The power reel 6 is installed on the output end of the servo motor 5. The calibrated product 7 is fixed on the calibration frame 11, and the measured wire rope is fixed on the power reel 6. The power reel 6 is driven by the servo motor 5. The product output signal and the encoder signal are compared, and the accuracy error is displayed on the display 3 in real time to complete the length calibration of the calibrated product 7.

[0028] In order to complete the length calibration of different types of sensors, an adjustment slide rail assembly 13 is fixedly installed inside the calibration frame 11, and a servo motor 5 is adjustably installed on the adjustment slide rail assembly 13. The servo motor 5 is fixedly installed with a power reel 6. By adjusting the distance between the power reel 6 and the calibrated product 7, calibration of different types of pull-rope length measuring sensors can be achieved.

[0029] At least in one embodiment, the position adjustment method of the servo motor 5 is as follows: the adjustment slide rail assembly 13 includes a slide rail 14 fixedly mounted on the inner wall of the calibration frame 11, a slide plate 15 is rollably mounted on the inner side of the slide rail 14, the slide rail 14 is mounted on a fixing frame 16 through the slide plate 15, and the servo motor 5 is fixedly mounted on the upper part of the fixing frame 16. Figure 3 , Figure 4 , Figure 7 As shown: the calibration frame 11 and the slide rail 14 have threaded holes 21 formed at positions corresponding to the calibration frame 11 , and the roller 17 has threaded holes 22 formed toward the slide rail 14 , and is fixedly installed through the threaded holes 21 and the threaded holes 22 to fix the sliding position of the roller 17 .

[0030] Specifically, the fixing frame 16 is installed by sliding on the slide plate 15 and the slide rail 14 to adjust the position of the servo motor 5. After the position of the servo motor 5 is determined, the threaded hole 1 21 and the screw hole 2 22 are installed by screws to determine the position of the servo motor 5, so as to adjust the distance between the power reel 6 and the calibrated product 7, so as to calibrate different types of rope-type length measuring sensors.

[0031] In at least one embodiment, Figure 7 As shown: rollers 17 are evenly arranged on one side of the slide plate 15 facing the slide rail 14, and the rollers 17 are distributed in a folded line direction to realize the distribution of the rollers 17 in upper and lower rows. The rollers 17 are slidably installed corresponding to the track on the slide rail 14, so as to realize the light sliding and the roller groove clamping installation of the slide rail 14 and the rollers 17, so as to realize the rapid sliding adjustment of the rollers 17 in the slide rail 14.

[0032] In at least one embodiment, in order to achieve rapid installation of the calibrated product 7 on the calibration frame 11, a mounting frame 23 is provided on the front surface of the calibration frame 11 at the bottom of the calibrated product 7. The calibrated product 7 is positioned and installed by the mounting frame 23 to complete the position correspondence between the calibrated product 7 and the power reel 6, so as to meet the calibration efficiency and improve the product calibration accuracy.

[0033] The embodiments of the present invention are only used to illustrate the present invention and do not constitute a limitation on the scope of the claims. Other substantially equivalent alternatives that can be thought of by those skilled in the art are all within the protection scope of the present invention.

Claims

1. A length calibration platform for a pull-rope type length measuring sensor, characterized in that: The invention comprises a frame (4), wherein the interior of the frame (4) is set as an electrical room (1), the upper part of the frame (4) is set as a calibration frame (11), one side of the calibration frame (11) is set as a display (3) and a calibrated product (7), the other side of the calibration frame (11) is set as a length calibration tool (2), the front side of the calibration frame (11) is provided with an adjustable window (12), the adjustable window (12) is used for lateral movement and adjustment of the length calibration tool (2), the length calibration tool (2) comprises a servo motor (5) and a power reel (6), an adjustment slide rail assembly (13) is fixedly installed inside the calibration frame (11), the servo motor (5) is adjustably installed on the adjustment slide rail assembly (13), and one side of the output end of the servo motor (5) extends out of the adjustable window (12) and is fixedly installed with the power reel (6).

2. The length calibration platform for a pull-rope type length measuring sensor according to claim 1, characterized in that: The adjusting slide rail assembly (13) comprises a slide rail 1 (14) fixedly mounted on the inner wall of the calibration frame (11), a slide plate 1 (15) being rollingly mounted on the inner side of the slide rail 1 (14), the slide rail 1 (14) being mounted on a fixing frame (16) via the slide plate 1 (15), and a servo motor (5) being fixedly mounted on the upper part of the fixing frame (16).

3. The length calibration platform for a pull-rope type length measuring sensor according to claim 1, characterized in that: Rollers (17) are evenly arranged on one side of the slide plate (15) facing the slide rail (14), and the rollers (17) are distributed in a folded line direction.

4. A length calibration platform for a pull-rope type length measuring sensor according to claim 3, characterized in that: The calibration frame (11) and the slide rail (14) are provided with a threaded hole (21) at a position corresponding to the calibration frame (11), and the roller (17) is provided with a screw hole (22) facing the slide rail (14). The roller (17) is fixedly installed through the threaded hole (21) and the screw hole (22) to fix the sliding position of the roller (17).

5. The length calibration platform for a pull-wire type length measuring sensor according to claim 1, characterized in that: The front surface of the calibration frame (11) is located at the bottom of the calibrated product (7) and is set as a mounting frame (23). The calibrated product (7) is positioned and mounted through the mounting frame (23).

Images