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Electric valve torque detection equipment

A technology for testing equipment and electric valves, applied in force/torque/power measuring instruments, measuring devices, force sensors related to bearings, etc., can solve problems such as high labor intensity, low efficiency, and increased insurance coefficient, and achieve The effect of low labor intensity, fast measurement speed and simple operation

Pending Publication Date: 2020-03-03
天津市北方阀门控制设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increase of the nominal diameter and nominal pressure of the valve, the difference between the theoretically calculated approximate value and the actual measured value becomes more significant. can only be obtained after stabilization
In view of the complicated procedures in the actual measurement, the torque value of the valve is increased in the evaluation of the insurance factor, which reduces the economy and market competitiveness
In addition, the structure of the torque wrench for measurement determines that its operation process is mostly manual, and there are problems such as low precision, high labor intensity, and low efficiency when measuring large torque.

Method used

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  • Electric valve torque detection equipment
  • Electric valve torque detection equipment

Examples

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Embodiment 1

[0033] Such as Figure 1-Figure 4 As shown, an electric valve torque detection device includes a base 1, the upper end of the base 1 is provided with a hydraulic cylinder 16, which is used to adjust the height of the lifting platform 5, the base 1 is connected with the hydraulic cylinder 16 by bolts, and the upper end of the hydraulic cylinder 16 is provided with a hydraulic rod 15, the hydraulic cylinder 16 is slidingly connected with the hydraulic rod 15, the upper end of the hydraulic rod 15 is provided with a lifting platform 5, which is used to fix the first motor 14, the hydraulic rod 15 is welded with the lifting platform 5, and the upper end of the lifting platform 5 is provided with a fixed column 6 for use To fix the fixed plate 7, the fixed column 6 is welded with the lifting platform 5, the fixed column 6 upper end is provided with the fixed plate 7, is used to fix the second motor 12, the fixed column 6 is welded with the fixed plate 7, and the center of the upper ...

Embodiment 2

[0035] The difference between this embodiment and embodiment 1 is:

[0036] There is an indicator light 17 on one side of the hydraulic cylinder 16, the base 1 is screwed to the indicator light 17, the console 2 is arranged on the rear side of the indicator light 17, the base 1 is connected to the console 2 by bolts, and the indicator light 17 is used to display the electric valve actuator Whether the torque is qualified.

[0037] Working principle: adjust the height of the lifting table 5 according to the height of the rotating shaft of the electric valve actuator. When the height of the flange 11 and the rotating shaft of the electric valve actuator are the same, connect the rotating shaft of the electric valve actuator to the flange 11. The second motor 12 drives the second motor shaft 9 to rotate, and the torque sensor 10 can measure the torque of the electric valve actuator by measuring the torque between the second motor shaft 9 and the rotating shaft of the electric val...

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Abstract

The invention discloses electric valve torque detection equipment. The equipment comprises a base; hydraulic cylinders are arranged at the upper end of the base; the base is in bolted connection withthe hydraulic cylinders; hydraulic rods are arranged at the upper ends of the hydraulic cylinders respectively; the hydraulic cylinders are in sliding connection with the hydraulic rods; a lifting table is arranged at the upper ends of the hydraulic rods; the hydraulic rods are welded to the lifting table; and fixing columns are arranged at the upper end of the lifting table. The device has the advantages of firm structure, easiness in operation, small manual labor intensity, capability of ascending and descending along with the height of a transmission shaft of an electric valve executing mechanism, high measuring speed and suitability for large-batch valve torque measurement.

Description

technical field [0001] The invention relates to the field of valves, in particular to an electric valve torque detection device. Background technique [0002] Torque is the main parameter for selecting the driving device of the valve, and its value is an important indicator to measure the economy and quality of the valve. Usually the valve opening and closing torque value is obtained by theoretical calculation or direct measurement with a torque wrench. However, as the nominal diameter and nominal pressure of the valve increase, the difference between the theoretically calculated approximate value and the actual measured value becomes more significant. It can only be obtained after stabilization. In view of the complicated procedures during the actual measurement, the torque value of the valve is increased in the evaluation of the insurance factor, which reduces the economy and market competitiveness. In addition, the structure of the torque wrench for measurement determi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/00
CPCG01L5/0042
Inventor 黄臶
Owner 天津市北方阀门控制设备有限公司
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