Horizontal multidirectional torque calibration device

Abstract

The utility model provides a horizontal multidirectional torque calibration calibration device, include: reverse steel band, wire rope, lifting pulley, elevating gear, tray hook, force value weight, workbench, torque lever balance weight, positive steel band, tension ring, sliding block and elevating hand wheel, the utility model provides a horizontal multidirectional torque calibration calibration device, through adopting channel steel structure and aluminium alloy porous panel assembly forming, convenient assembly dismounts, in the torque calibration calibration process, both sides are loaded with the same specification force value weight through reverse, the torque value generated is the sum of the torque value generated by the left and right two force arms and the corresponding force value weight, in the torque calibration calibration process, two force arms are used simultaneously, namely time -saving, labor -saving, reduce the bending moment phenomenon of calibration calibration process, also greatly reduce the friction torque, guarantee the overall precision of torque, improve the use efficiency.

Description

Technical Field

[0001] This utility model relates to the field of torque calibration technology, and in particular to a horizontal multi-directional torque calibration device. Background Technology

[0002] With the progress of the times and the continuous development of technology, especially the popularization and application of intelligent equipment and AI, the requirements for torque are becoming higher and more precise. In order to ensure the torque accuracy of products after assembly in various industries, it is necessary to calibrate and standardize the torque of the assembled products.

[0003] Current torque calibration and standardization technologies typically employ a vertically fixed torque sensor. One method involves fixing one end of the sensor and directly loading the other. However, the downward force of gravity during loading creates a bending moment, affecting the calibration accuracy. Another method involves fixing one end of the sensor and adding a support device to the other end. The bearings on this support device generate frictional torque during loading, further impacting the calibration accuracy. When integrating torque sensors into intelligent equipment, ensuring the required torque accuracy becomes difficult. Furthermore, the calibration and standardization of torque sensors often utilize torque standard machines, single-arm metal levers, or double-arm circular metal levers. Torque standard machines are bulky and heavy; single-arm metal levers are also heavy and difficult to balance, requiring repeated adjustments of the lever arm direction for bidirectional calibration; and circular metal levers are heavy and their shape limits the lever arm length, making them unsuitable for calibrating and standardizing large-arm, high-torque applications.

[0004] The above methods can only meet the calibration and standardization requirements of torque sensors and some torque meters with low accuracy requirements. However, most torque meters on the market can only be calibrated and standardized by disassembling the sensor on the torque meter and then reassembling it after calibration and standardization. This also makes it difficult to guarantee that the overall accuracy of the torque meter will not be affected during the assembly process. All of the above methods are difficult to meet the accuracy requirements of torque for modern and intelligent equipment.

[0005] Therefore, it is necessary to provide a horizontal multi-directional torque calibration device to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a horizontal multi-directional torque calibration device, which solves the problem that most torque meters on the market can only be calibrated and standardized by disassembling the sensor on the torque meter separately. After calibration and standardization, they are then reassembled and used. It is difficult to ensure that the overall accuracy of the torque meter is not affected during the assembly process, and thus cannot meet the torque accuracy requirements of modern and intelligent equipment.

[0007] To solve the above-mentioned technical problems, this utility model provides a horizontal multi-directional torque calibration device, including: a reverse steel belt, a steel wire rope, a lifting pulley, a lifting device, a tray hook, a force value weight, a workbench, a torque lever balance weight, a forward steel belt, a tension ring, a slider, and a lifting handwheel;

[0008] The sliding guide rails are respectively arranged on both sides of the surface of the workbench frame. The surface of the sliding guide rails is provided with a multi-hole panel of the workbench frame. A double-fan-shaped four-way torque verification lever is provided in the middle of the top of the workbench frame.

[0009] A torque sensor is provided on one side of the top of the perforated panel of the workbench, and a torque display instrument is provided on the other side of the top of the perforated panel of the workbench.

[0010] A torque lever connector is disposed in the middle of the double-fan-shaped four-way torque verification lever.

[0011] The workbench frame is equipped with workbench balance adjustment feet on all six sides of its bottom.

[0012] The double-fan-shaped four-way torque verification lever includes two fan-shaped structures, a connecting square, the forward steel strip, the reverse steel strip, and a left lever arm and a right lever arm.

[0013] The sliding guide rail is connected to the lifting pulley via the slider. The wire rope is connected at one end to the tension ring on the waist-shaped hole at the end of the steel strip via the pulley on the lifting device, and at the other end to the tray hook.

[0014] One end of each of the two opposing steel strips is fixed to the upper and lower positions of the two ends of the arc surface of the double-fan-shaped four-way torque verification lever by screws. The other end is wrapped around the arc surface and connected to the steel wire rope through the tension ring. One end of the steel wire rope is connected to the tray hook. The two opposing steel strips are fixed in opposite directions. The torque calibration is performed by connecting the force value weight through the tension ring, the steel wire rope and the tray hook.

[0015] The hook at the upper end of the pallet hook is connected to the hole at the lower end of the wire rope.

[0016] A transverse support plate is fixedly installed in the middle of the bottom of the workbench frame. Lifting components are fixedly installed on both sides of the surface of the transverse support plate. A mounting plate is fixedly connected to the bottom end of the output shaft of the lifting component. Universal wheels are provided on both sides of the bottom of the mounting plate.

[0017] Compared with related technologies, the horizontal multi-directional torque calibration device provided by this utility model has the following beneficial effects:

[0018] This utility model provides a horizontal multi-directional torque calibration device, which is assembled using a channel steel structure and a porous aluminum alloy panel. Assembly and disassembly are convenient, avoiding the tediousness of drilling holes in walls and floors for fixation. The porous panel assembly facilitates the installation and fixation of the torque sensor and torque display instrument under test, reducing the hassle of disassembling the torque sensor. During calibration and standardization, the lever automatically balances, improving efficiency. The connecting square uses standard connectors of various sizes, offering high versatility, a reliable connection, easy assembly and disassembly, and high overall accuracy. The tray hook makes it very convenient to place and retrieve weights; weights of corresponding force values ​​can be stacked onto the tray sequentially from smallest to largest according to the torque value being calibrated or standardized. After calibrating and setting the torque sensor and torque display instrument clockwise, simply remove the force value weights and then stack the corresponding force value weights onto the tray hooks in the counterclockwise direction to complete the counterclockwise torque calibration. During the torque calibration process, force value weights of the same specification are loaded on both sides in opposite directions. The resulting torque value is the sum of the torque values ​​generated by the two lever arms and the corresponding force value weights. During the torque calibration process, the two lever arms are used simultaneously in multiple directions, which saves time and effort, reduces bending moment during the calibration process, and greatly reduces frictional torque. This ensures the overall accuracy of the torque and improves efficiency. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of a first embodiment of a horizontal multi-directional torque calibration device provided by this utility model;

[0020] Figure 2 for Figure 1 The diagram shows a top view of the perforated panel of the workbench.

[0021] Figure 3 for Figure 1 The diagram shows a front view of the workbench frame.

[0022] Figure 4 This is a schematic diagram of the second embodiment of a horizontal multi-directional torque calibration device provided by this utility model.

[0023] The following are the labels in the diagram: 1. Reverse steel belt, 2. Steel wire rope, 3. Lifting pulley, 4. Lifting device, 5. Pallet hook, 6. Torque sensor, 7. Force weight, 8. Sliding guide rail, 9. Workbench frame, 10. Torque lever connector, 11. Torque display instrument, 12. Workbench balance adjustment foot, 13. Workbench perforated panel, 14. Double-fan type four-way torque verification lever, 15. Torque lever balance weight, 16. Forward steel belt, 17. Tension ring, 18. Slider, 19. Lifting handwheel, 20. Horizontal support plate, 21. Lifting component, 22. Mounting plate, 23. Universal wheel. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] First Embodiment

[0026] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of a horizontal multi-directional torque calibration device provided by this utility model; Figure 2 for Figure 1 The diagram shows a top view of the perforated panel of the workbench. Figure 3 for Figure 1 The diagram shows a front view of the workbench. A horizontal multi-directional torque calibration device includes: a reverse steel belt 1, a steel wire rope 2, a lifting pulley 3, a lifting device 4, a tray hook 5, a force weight 7, a workbench 9, a torque lever balance weight 15, a forward steel belt 16, a tension ring 17, a slider 18, and a lifting handwheel 19;

[0027] Sliding guide rails 8, two sets of sliding guide rails 8 are respectively set on both sides of the surface of the workbench frame 9, the surface of the sliding guide rails 8 is provided with a multi-hole panel 13 of the workbench, and a double-fan-shaped four-way torque verification lever 14 is provided in the middle of the top of the workbench frame 9.

[0028] A torque sensor 6 is provided on one side of the top of the perforated panel 13 of the workbench, and a torque display instrument 11 is provided on the other side of the top of the perforated panel 13 of the workbench.

[0029] Torque lever connector 10, which is disposed in the middle of the double-fan-shaped four-way torque verification lever 14.

[0030] The workbench frame 9 is equipped with workbench balance adjustment feet 12 on all six sides of its bottom.

[0031] The double-fan-shaped four-way torque verification lever 14 includes two fan-shaped structures, a connecting square, the forward steel strip 16, the reverse steel strip 1, and a left lever arm and a right lever arm.

[0032] The sliding guide rail 8 is connected to the lifting pulley 3 via the slider 18. The wire rope 2 is connected at one end to the tension ring 17 on the waist-shaped hole at the end of the steel strip via the pulley on the lifting device 4, and at the other end to the tray hook 5.

[0033] One end of each of the two opposing steel strips 1 is fixed to the upper and lower positions of the two ends of the arc surface of the double-fan-shaped four-way torque verification lever 14 by screws. The other end is connected to the steel wire rope 2 through the tension ring 17 after passing around the arc surface. One end of the steel wire rope 2 is connected to the tray hook 5. The two opposing steel strips 1 are fixed in opposite directions. The torque calibration is performed by connecting the force value weight 7 through the tension ring 17, the steel wire rope 2 and the tray hook 5.

[0034] The hook at the upper end of the tray hook 5 is connected to the hole at the lower end of the wire rope 2.

[0035] The torque lever is connected to the square hole in the center of the double-fan shape. One side of the square hole is inlaid with 304 stainless steel elastic steel ball for easy tight connection with external parts. One end of each of the two opposing steel strips 1 is fixed to the upper and lower ends of the arc surface of the torque lever with screws. The other end is wrapped around the arc surface and connected to the steel wire rope 2 through the tension ring 17. One end of the steel wire rope 2 is connected to the tray hook 5. The two steel strips are fixed in opposite directions. The torque can be calibrated by connecting the force value weight 7 through the tension ring 17, the steel wire rope 2 and the tray hook 5.

[0036] The lifting device 4 consists of a lifting handwheel 19, a lead screw, a dovetail slider, and a V-type pulley (the V-type pulley is equipped with two high-precision bearings).

[0037] The hook at the top of the tray hook 5 is connected to the hole at the bottom of the wire rope 2, making it very convenient to hang and take off. The tray at the bottom of the hook supports the force value weight 7. According to the torque calibration and the calibration value from small to large, the corresponding force value weight 7 can be stacked on the tray in sequence until the required maximum standard torque value is reached. This avoids the tedious process of repeatedly hanging, taking off, and returning to zero when directly placing weights on the hook.

[0038] One end of the steel strip has a circular hole for easy screw fixing to the arc end face of the double-fan-shaped four-way torque verification lever 14. The other end of the steel strip has a waist-shaped hole for easy connection to the steel wire rope 2 and the tray hook 5 (the steel strip and the steel wire rope 2 are connected through the waist-shaped tension ring 17, and the tray hook 5 is hung on the other end of the steel wire rope 2). The four steel strips are respectively fixed on the upper and lower sides of the arc end face of the double-fan-shaped four-way torque verification lever 14. When calibrating and calibrating the torque, the horizontal multi-directional torque calibration device only needs to place the standard force value weights 7 on the tray hook 5 in sequence at both ends of the double-fan-shaped four-way torque verification lever 14 according to the torque value to be calibrated and calibrated. The corresponding standard torque value is obtained by calculating the product of the left and right lever arms of the double-fan-shaped four-way torque verification lever 14 and the weight of the left and right standard force value weights 7. Then, it is compared with the torque reading on the calibrated torque sensor 6 or the torque display instrument 11 to calculate the error percentage and see if it is within the error range.

[0039] The double-fan-shaped four-way torque calibration lever 14 has a protruding elastic steel ball on the connecting square at the center position, which facilitates connection with the parts being calibrated and specified. The elastic steel ball makes the connection between them more secure and safer, and easier to disassemble and assemble; it is more convenient, faster and more efficient to use.

[0040] The double-fan-shaped four-way torque calibration lever 14 is composed of a steel strip, a steel wire rope 2, a tension ring 17, a tray hook 5, and a connecting square at the center of the lever. The connecting square is made of alloy steel, which has high hardness, good toughness, safety, durability, and low cost. It is convenient to connect with the parts being calibrated and standardized. The worktable 9, the multi-hole panel 13, the balance adjustment feet 12, the two long side sliding rails 8, the slider 18, the lifting device 4, and the lifting pulley 3 constitute the torque calibration and calibration platform.

[0041] Torque (M) is equal to the product of force (F) and lever arm (L) (M=F*L). That is, the distance from the center point of the square base of the double-sector four-way torque calibration lever 14 to the tangent line at any point on the arc surface at both ends is the lever arm (L), and the weight of the force value weight 7 is the force (F). Since the distance from the center point of the double-sector four-way torque calibration lever 14 to any point on the arc surface is equal and constant, it is only necessary to place a certain weight of force value weight 7 on the same-direction tray hooks 5 at both ends of the double-sector four-way torque calibration lever 14 according to the actual torque value calibrated and calibrated. Then, the corresponding standard torque value can be calculated according to the weight of the placed weight and the lever arm of a certain length. Then, the error percentage can be calculated by comparing the actual torque value with the standard torque value.

[0042] The working principle of the horizontal multi-directional torque calibration device provided by this utility model is as follows:

[0043] During operation, first, fix the workbench frame 9 and adjust it to balance and stability using the 6 balance feet 12; then, place the calibrated torque sensor 6 in a suitable position on the multi-hole panel 13 of the workbench and fix it to the panel with screws; then, connect the square bracket of the double-fan-shaped four-way torque calibration lever 14 to the central square hole of the torque sensor 6 being measured, and connect and lock the lower ends of the forward and reverse steel strips on the left and right sides of the double-fan-shaped four-way torque calibration lever 14 to the steel wire rope 2 through the tension ring 17; the other end of the steel wire rope 2 is connected to the tray hook 5 through the lifting pulley 3.

[0044] Adjust the steel belt and wire rope 2 to a horizontal position using the lifting handwheel 19, lifting screw, and lifting pulley 3. Then, adjust the four sets of lifting devices 4 in both directions using the slider 18 and guide rail 8 until the steel belt is tangent to the left and right ends of the torque verification lever. Then, stack the force value weights 7 on the two tray hooks 5 in the same direction for testing. At this time, calculate the standard torque value by multiplying the standard force value weight 7 by the lever arm of the double-fan-shaped four-way torque verification lever 14 (i.e., the tangent distance from the center point to any point on the arc surface, the product of the left lever arm and the left force value weight plus the sum of the products of the right lever arm and the right force value weight). Then compare it with the real-time display value of the torque display instrument 11 of the calibrated torque sensor 6 to calculate its percentage and see if it is within the normal error range. If the error is within a reasonable range, it is qualified; otherwise, it is unqualified. If it is unqualified, the real-time torque value of the calibrated sensor can be adjusted and calibrated using its standard torque value until it is qualified.

[0045] Compared with related technologies, the horizontal multi-directional torque calibration device provided by this utility model has the following beneficial effects:

[0046] This utility model provides a horizontal multi-directional torque calibration device, which is assembled using a channel steel structure and a porous aluminum alloy panel. Assembly and disassembly are convenient, avoiding the tediousness of drilling holes in walls and floors for fixing. The porous panel assembly facilitates the installation and fixing of the torque sensor 6 and torque display instrument 11, reducing the hassle of disassembling the torque sensor 6. During calibration and standardization, the lever automatically balances, improving efficiency. The connecting square uses standard connectors of various sizes, offering high versatility, a reliable connection, easy assembly and disassembly, and high overall accuracy. The tray hook 5 makes it very convenient to place and retrieve weights; weights 7 of corresponding force values ​​can be stacked onto the tray in ascending order according to the torque value being calibrated or standardized. After calibrating and setting the torque sensor 6 and torque display instrument 11 clockwise, simply remove the force value weight 7 and then stack the corresponding force value weight 7 onto the tray hook 5 in the counterclockwise direction to complete the counterclockwise torque calibration. During the torque calibration process, force value weights 7 of the same specification are loaded on both sides in opposite directions. The torque value generated is the sum of the torque values ​​generated by the two lever arms and the corresponding force value weights. During the torque calibration process, the two lever arms are used simultaneously in multiple directions, which saves time and effort, reduces the bending moment phenomenon during the calibration process, and also greatly reduces the friction torque, which ensures the overall accuracy of the torque and improves the efficiency of use.

[0047] Second Embodiment

[0048] Please refer to the following: Figure 4 Based on the horizontal multi-directional torque calibration device provided in the first embodiment of this application, the second embodiment of this application proposes another horizontal multi-directional torque calibration device. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0049] Specifically, the second embodiment of this application provides a horizontal multi-directional torque calibration device in that a transverse support plate 20 is fixedly installed in the middle of the bottom of the workbench 9, and lifting members 21 are fixedly installed on both sides of the surface of the transverse support plate 20. The bottom end of the output shaft of the lifting member 21 is fixedly connected to a mounting plate 22, and universal wheels 23 are provided on both sides of the bottom of the mounting plate 22.

[0050] The lifting component 21 adopts a hydraulic cylinder structure.

[0051] The working principle of the horizontal multi-directional torque calibration device provided by this utility model is as follows:

[0052] When working, if there are two or fewer worktable balance adjustment feet 12 supporting the ground, and four or more worktable balance feet 12 are suspended in the air, adjusting the height of the two worktable balance adjustment feet 12 supporting the ground can improve the ease of operation, but the worktable balance feet 12 supporting the ground are not easy to rotate.

[0053] The output shaft of the lifting component 12 moves, pushing the mounting plate 22 to move, so that the caster wheel 23 supports the ground. As the output shaft of the lifting component 12 continues to move downward, the bottom of the workbench balance adjustment foot 12 is suspended in the air, making it easy for the operator to quickly adjust the height of the workbench balance adjustment foot 12.

[0054] Furthermore, the casters 23 support the ground, allowing the bottom of the workbench 9 to be suspended in the air, making it convenient for operators to transport and move the device.

[0055] Compared with related technologies, the horizontal multi-directional torque calibration device provided by this utility model has the following beneficial effects:

[0056] This utility model provides a horizontal multi-directional torque calibration device. The height of the casters 23 is controlled by the lifting component 21, thereby enabling the overall surface of the device to move. Moreover, when checking whether the calibration workbench 9 is level, the height of the workbench 9 can be adjusted according to the number of adjusting feet 12 to be calibrated, making it convenient for operators to quickly adjust the levelness between the six adjusting feet 12. This device has a simple structure, strong practicality, and reduces the labor intensity of operators.

[0057] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A horizontal multi-directional torque calibration device, characterized in that, include: Reverse steel belt, wire rope, lifting pulley, lifting device, pallet hook, force value weight, workbench, torque lever balance weight, forward steel belt, tension ring, slider and lifting handwheel; The sliding guide rails are respectively arranged on both sides of the surface of the workbench frame. The surface of the sliding guide rails is provided with a multi-hole panel of the workbench frame. A double-fan-shaped four-way torque verification lever is provided in the middle of the top of the workbench frame. A torque sensor is provided on one side of the top of the perforated panel of the workbench, and a torque display instrument is provided on the other side of the top of the perforated panel of the workbench. A torque lever connector is disposed in the middle of the double-fan-shaped four-way torque verification lever.

2. The horizontal multi-directional torque calibration device according to claim 1, characterized in that, The workbench frame is equipped with workbench balance adjustment feet on all six sides of its bottom.

3. The horizontal multi-directional torque calibration device according to claim 1, characterized in that, The double-fan-shaped four-way torque verification lever includes two fan-shaped structures, a connecting square, the forward steel strip, the reverse steel strip, and a left lever arm and a right lever arm.

4. The horizontal multi-directional torque calibration device according to claim 1, characterized in that, The sliding guide rail is connected to the lifting pulley via the slider. The wire rope is connected at one end to the tension ring on the waist-shaped hole at the end of the steel strip via the pulley on the lifting device, and at the other end to the tray hook.

5. The horizontal multi-directional torque calibration device according to claim 1, characterized in that, One end of each of the two opposing steel strips is fixed to the upper and lower positions of the two ends of the arc surface of the double-fan-shaped four-way torque verification lever by screws. The other end is wrapped around the arc surface and connected to the steel wire rope through the tension ring. One end of the steel wire rope is connected to the tray hook. The two opposing steel strips are fixed in opposite directions. The torque calibration is performed by connecting the force value weight through the tension ring, the steel wire rope and the tray hook.

6. The horizontal multi-directional torque calibration device according to claim 1, characterized in that, The hook at the upper end of the pallet hook is connected to the hole at the lower end of the wire rope.

7. The horizontal multi-directional torque calibration device according to claim 1, characterized in that, A transverse support plate is fixedly installed in the middle of the bottom of the workbench frame. Lifting components are fixedly installed on both sides of the surface of the transverse support plate. A mounting plate is fixedly connected to the bottom end of the output shaft of the lifting component. Universal wheels are provided on both sides of the bottom of the mounting plate.

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