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Bolt loosening and breakage monitoring device and bolt loosening and breakage monitoring method

A monitoring device and bolt technology, applied in the field of bolt loosening monitoring and bolt loosening monitoring device, can solve problems such as inconvenient monitoring methods

Pending Publication Date: 2019-09-27
珠海铭熹智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no device for monitoring bolt looseness on the market. At present, the judgment of bolt looseness is mainly to use tools to twist the bolt head or nut for detection. This monitoring method is extremely inconvenient and needs to be shut down. under test

Method used

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  • Bolt loosening and breakage monitoring device and bolt loosening and breakage monitoring method
  • Bolt loosening and breakage monitoring device and bolt loosening and breakage monitoring method
  • Bolt loosening and breakage monitoring device and bolt loosening and breakage monitoring method

Examples

Experimental program
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Effect test

Embodiment 1

[0036] like figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 As shown, this embodiment is a bolt loosening monitoring device, including a housing 1, a loosening detection mechanism 2, and a fracture detection mechanism 3; wherein:

[0037] A sleeve through hole 11 is formed in the housing 1, and an installation recess 12 communicating with the sleeve through hole 11 is formed on the top surface of the housing 1, and a first rotation groove 121 and a second rotation groove 121 are formed in the installation recess 12. Rotation groove 122, the first rotation groove 121, the second rotation groove 122 are respectively arranged around the axis of the sleeve through hole 11, a first shielding area 123 is provided in the first rotation groove 121, and a first shielding area 123 is provided in the first rotation groove 121. A first blocking portion 125 is also formed, and the first blocking portion 125 is at the edge of the first shielding area 123; a second sh...

Embodiment 2

[0048] This embodiment is a method for monitoring bolt looseness, comprising the following steps:

[0049] 1) Install bolts and nuts on equipment or mechanisms;

[0050] 2) The stud fixing ring of a kind of bolt loosening monitoring device described in embodiment 1 is fixed on the stud part of the bolt, and then the sleeve through hole of the shell of the bolt loosening monitoring device is placed on the nut, As a result, the stud fixing ring is nested in the ring part of the transmission ring seat of the bolt loosening monitoring device, and the outer teeth of the stud fixing ring mesh with the inner teeth of the ring part of the drive ring seat;

[0051] 3) Use reading and writing equipment to monitor the bolt loosening monitoring device, during the period:

[0052] A) If the reading and writing equipment can read loose RFID electronic tags and broken RFID electronic tags, it means that the bolt is in the preset normal working state;

[0053] B) If the reading and writing ...

Embodiment 3

[0059] The difference between this embodiment and embodiment 2 lies in that the read-write device in step 3) is a fixed reader-writer, and the monitoring type is system real-time online or system periodic polling. This design enables the user to monitor the installed bolts at all times, so that when the bolts are loosened or broken, they can respond immediately to reduce losses.

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Abstract

The invention relates to a bolt loosening and breakage monitoring device which comprises a shell, a looseness detection mechanism and a breakage detection mechanism; a sleeving through hole, a mounting concave position, a first rotating groove and a second rotating groove are formed in the shell; the looseness detection mechanism comprises a looseness detection ring, a stud fixing ring and a transmission ring seat; the stud fixing ring drives the looseness detection ring to rotate through the transmission ring seat, and the looseness detection ring is provided with a looseness RFID electronic tag extending into the first rotating groove; the breakage detection mechanism comprises a breakage detection ring, a torsional spring, an elastic unlocking assembly and an elastic ejector pin assembly. The breakage detection ring is installed in the second rotating groove and provided with a breakage RFID electronic tag, and the elastic unlocking assembly is connected with the breakage detection ring through the elastic ejector pin assembly. The bolt loosening and breakage monitoring device has the advantages of being convenient to use, high in monitoring accuracy and the like. The invention further relates to a bolt loosening and breakage monitoring method. The bolt loosening and breakage monitoring method has the advantages of being simple in operation procedure, rapid in detection, high in accuracy, free-of-shutdown detection and the like.

Description

technical field [0001] The invention relates to the technical field of monitoring equipment, in particular to a bolt loosening monitoring device; the invention also relates to a bolt loosening monitoring method. Background technique [0002] Mechanical looseness is a common and prone to failure type. It mainly refers to two situations. One of the situations is that the structural frame or base of the equipment is loose, which causes the whole machine to loosen and the vibration is aggravated; The normal matching relationship between them is destroyed, resulting in loosening caused by the out-of-tolerance fit clearance, and the main reason for this is thread loosening. In most cases, bolts are broken because of looseness, and they are broken due to looseness. Because the situation of bolt loosening and breaking is basically the same as that of fatigue fracture, in the end, we can always find the reason from the fatigue strength. In fact, the fatigue strength is so great that...

Claims

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Application Information

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IPC IPC(8): G01M13/00G06K17/00G06K19/077
CPCG01M13/00G06K17/00G06K19/07758
Inventor 李锦超顾长国
Owner 珠海铭熹智能科技有限公司
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