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Pumping unit belt protection method and device

A technology for pumping units and belts, which is applied in the field of protection methods and devices for pumping unit belts, can solve the problems of high labor intensity and losses of inspection personnel, and achieve the effects of convenient protection and processing, avoiding losses, and expanding the scope of protection

Inactive Publication Date: 2017-02-22
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology usually uses manual inspection to monitor the running status of the pumping unit belt. However, due to the large number of oil wells, the labor intensity of the inspection personnel is relatively high
At the same time, due to the time limit of manual inspection, it is often impossible to find out the failure of the pumping unit belt in time, which will easily cause high losses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An embodiment of the present invention provides a method for protecting a pumping unit belt, comprising the following steps:

[0028] Step 101, collect the rotational speed of the pulley of the pumping unit in real time.

[0029] Step 102: Comparing the collected real-time rotational speed of the pumping unit pulley with the preset rotational speed threshold of the pumping unit belt, and judging the running state of the pumping unit belt according to the comparison result. Wherein, the rotational speed threshold is the rotational speed of the pumping unit pulley in normal operation.

[0030] Step 103 , when the collected real-time rotational speed is lower than the preset rotational speed threshold, it is determined that the pumping unit belt is in a slipping or broken state, and a protection process is performed on the pumping unit belt. The protection process includes local alarm, remote alarm and forced shutdown.

[0031] The protection method of the oil pumping un...

Embodiment 2

[0033] On the basis of the content provided in conjunction with embodiment 1, the present embodiment provides a preferred protection method for the belt of the pumping unit, the method comprising the following steps:

[0034] Step 201, by installing a magnet and a Hall sensor on the pumping unit pulley, recording the time interval between two adjacent magnetic signals sensed by the Hall sensor (i.e. the time it takes for the pumping unit pulley to rotate one revolution), and According to the time interval, the rotational speed of the pumping unit pulley is calculated and collected in real time.

[0035] Step 202, comparing the collected real-time rotational speed of the pumping unit pulley with the preset rotational speed threshold of the pumping unit belt, and judging the running state of the pumping unit belt according to the comparison result. Wherein, the rotational speed threshold is 140 rpm-160 rpm.

[0036] Specifically, in the embodiment of the present invention, the ...

Embodiment 3

[0043] An embodiment of the present invention provides a protection device for a pumping unit belt, the protection device comprising:

[0044] The collection module is used to collect the rotational speed of the pulley of the pumping unit in real time.

[0045] Specifically, the acquisition module includes:

[0046] The first acquisition unit is used to record the time interval between two adjacent magnetic signals sensed by the Hall sensor installed on the pulley of the pumping unit.

[0047] The second collection unit is used to collect the real-time rotational speed of the pulley of the pumping unit in real time according to the time interval.

[0048]The judging module is used for comparing the collected real-time rotational speed of the pumping unit pulley with the preset rotational speed threshold of the pumping unit belt, and judging the running state of the pumping unit belt according to the comparison result. Wherein, the preset rotational speed threshold is the rot...

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PUM

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Abstract

The present invention discloses a pumping unit belt protection method and device, belonging to the oil field pumping unit field. The protection method comprises: collecting a rotation speed of a pumping unit belt pulley in real time; comparing the collected real-time rotation speed of the pumping unit belt pulley and the rotation speed threshold of the pumping unit belt arranged in advance, and determining the operation state of the pumping unit belt according to the comparison result, wherein the rotation speed threshold is the rotation speed of the pumping unit belt pulley at the normal operation; and when the real-time rotation speed is smaller than the rotation speed threshold, determining that the pumping unit belt is in the slipping or break-off state, and executing the protection processing of the pumping unit belt, wherein the protection processing includes local alarm, remote alarm and forced stoppage. The pumping unit belt protection method provided by the embodiment of the invention can perform real-time monitoring of the operation state of the pumping unit belt and perform protection when there are faults so as to effectively avoid the loss because the faults of the pumping unit belt are not discovered in time.

Description

technical field [0001] The invention relates to the field of oil production equipment in oilfields, in particular to a method and device for protecting the belt of an oil pumping unit. Background technique [0002] The pumping unit is a chemical equipment widely used in oilfield exploitation, and its power transmission mainly depends on the pumping unit belt. In the actual oil field production process, with the prolongation of the operation time, the belt of the pumping unit is prone to slipping, breaking, loosening and other faults, which is not conducive to the normal production of the oil and gas field. Therefore, it is necessary to monitor the running state of the pumping unit belt. [0003] In the prior art, manual inspection is usually used to monitor the running state of the pumping unit belt. However, due to the large number of oil wells, the labor intensity of inspection personnel is relatively high. At the same time, due to the time limit of manual inspection, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/048G01P3/42
CPCG05B19/048G01P3/42
Inventor 刘海滨丘亮亮王爱法孙兆海彭会媚华小明徐文宁雷媛凯王新梅
Owner PETROCHINA CO LTD