CN217155657U - Fastener intelligent monitoring device - Google Patents
Fastener intelligent monitoring device Download PDFInfo
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- CN217155657U CN217155657U CN202121935657.9U CN202121935657U CN217155657U CN 217155657 U CN217155657 U CN 217155657U CN 202121935657 U CN202121935657 U CN 202121935657U CN 217155657 U CN217155657 U CN 217155657U
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Abstract
The utility model discloses a fastener intelligent monitoring device for whether take place the displacement on the detection fastener between first tie point and the second tie point, fastener intelligent monitoring device include: the tension detection part is provided with at least one tension detection end; one end of the first elastic piece is fixedly connected with the first connecting point or the second connecting point, the other end of the first elastic piece is fixedly connected with the tension detection end, and when one end of the first elastic piece is fixedly connected with the first connecting point, the tension detection part is fixedly connected with the second connecting point; a cutout disposed proximate to the first elastic member. The cutting part is used for cutting off the first elastic piece, when the fastening piece is loosened and rotated, the first elastic piece is driven to be dragged, the first elastic piece is cut off by the cutting part, the signal intensity of the tension detection end is obviously reduced, and therefore whether the fastening piece is loosened can be judged.
Description
Technical Field
The utility model relates to a fastener monitoring technology field, concretely relates to fastener intelligent monitoring device.
Background
Fasteners are important mechanical parts for fastening connections. The fastener connection state of large-scale machinery, equipment and building directly influences the safety in production operation, and the fastener takes place the pine and takes off, if not discover in time, easily causes great potential safety hazard. The prevention of fastener loosening is one of the important tasks of safety management in various industries. At present, the main modes for judging the connection state of the fastener are two modes of manually knocking the fastener and visually checking the anti-loosening wire, and the reliability and the timeliness need to be improved. Therefore, an intelligent monitoring system for monitoring the connection state of the fasteners in real time on line is needed to be designed to know the state of each fastener in all weather, so as to ensure the safe operation of traffic, energy, industry and each building.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a fastener intelligent monitoring device, solve the problem that current fastener reliability is not high and the small rotation naked eye that leads to inefficacy is difficult to distinguish.
In order to achieve the above technical purpose, the technical scheme of the utility model provide a fastener intelligent monitoring device for whether take place the displacement between the second tie point on first tie point on the detection fastener and the base plate, its characterized in that, fastener intelligent monitoring device include:
the tension detection part is provided with at least one tension detection end;
one end of the first elastic piece is fixedly connected with the first connecting point or the second connecting point, the other end of the first elastic piece is fixedly connected with the tension detection end, and when one end of the first elastic piece is fixedly connected with the first connecting point, the tension detection part is fixedly connected with the second connecting point; when one end of the first elastic piece is fixedly connected with the second connecting point, the tension detecting part is fixedly connected with the first connecting point;
a cutout portion disposed adjacent to the first elastic member, the first elastic member being severable by the cutout portion when the first elastic member is pulled.
Compared with the prior art, the beneficial effects of the utility model include: the intelligent fastener monitoring device at least comprises a tension detection part, a first elastic part and a cutting part (in the embodiment, the fastener refers to a nut, and other fasteners can be adopted), wherein one end of the first elastic part is fixedly connected with the fastener. The cutting part is used for cutting off the first elastic piece, when the fastening piece is loosened and rotated, the first elastic piece is driven to be dragged, the first elastic piece is cut off by the cutting part, the signal intensity of the tension detection end is obviously reduced, and therefore whether the fastening piece is loosened can be judged.
Drawings
Fig. 1 is a schematic view of a first-view perspective structure of an embodiment of an intelligent fastener monitoring device provided by the present invention;
fig. 2 is a schematic view of a second perspective three-dimensional structure of an embodiment of the intelligent fastener monitoring device provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, the present embodiment provides an intelligent fastener monitoring device for detecting whether a first connection point a1 on a fastener and a second connection point a2 on a substrate are displaced, the intelligent fastener monitoring device includes: a tension detecting part 1, a first elastic member 2 and a cutting part 3.
The tension detection part 1 is provided with at least one tension detection end, one end of the first elastic element 2 is fixedly connected with the first connection point a1 or the second connection point a2, the other end of the first elastic element 2 is fixedly connected with the tension detection end, and when one end of the first elastic element 2 is fixedly connected with the first connection point a1, the tension detection part 1 is fixedly connected with the second connection point a 2; when one end of the first elastic element 2 is fixedly connected with the second connection point a2, the tension detecting part 1 is fixedly connected with the first connection point a 1; the cut-out portion 3 is disposed adjacent to the first elastic member 2, and when the first elastic member 2 is pulled, the first elastic member 2 can be cut by the cut-out portion 3.
The intelligent fastener monitoring device at least comprises a tension detection part 1, a first elastic part 2 and a cutting part 3 (in the embodiment, the fastener refers to a nut, but other fasteners are also available), and one end of the first elastic part 2 is fixedly connected with the fastener. The cutting part 3 is used for cutting off the first elastic part 2, when the fastener is loosened and rotated, the first elastic part 2 is driven by dragging, the first elastic part 2 is cut off by the cutting part 3, the signal intensity of the tension detection end is obviously reduced, and therefore whether the fastener is loosened or not can be judged.
In this embodiment, the tension detecting unit 1 includes a tension detecting unit body 11 and a second elastic member 12, one end of the tension detecting unit body 11 is provided with the tension detecting end, the other end of the tension detecting unit body 11 is fixedly connected to one end of the second elastic member 12, and when one end of the first elastic member 2 is fixedly connected to the first connection point a1, the other end of the second elastic member 12 is fixedly connected to the second connection point a 2; when one end of the first elastic element 2 is fixedly connected with the second connection point a2, the other end of the second elastic element 12 is fixedly connected with the first connection point a1, and when one end of the first elastic element 2 is fixed with the first connection point a1, the other end of the second elastic element 12 is fixed with the second connection point a2, and the first elastic element 2 is not cut, the first elastic element 2 and the second elastic element 12 are both in a stretching state; or when one end of the second elastic element 12 is fixed to the first connection point a1, the other end of the first elastic element 2 is fixed to the second connection point a2, and the first elastic element 2 is not cut, the first elastic element 2 and the second elastic element 12 are both in a stretched state, which can be understood as follows: the both ends of tensile force detection portion body are connected with first elastic component 2, second elastic component 12 respectively, tensile force detection portion body respectively through first elastic component 2, second elastic component 12 with first tie point a1, second tie point a2 fixed connection, it is specific, first elastic component 2 with second elastic component 12 is extension spring, and extension spring's length can more possess the interval between first tie point a1 and the second tie point a2 and independently select, as long as when guaranteeing that the fastener is not hard up, first elastic component 2, second elastic component 12 are in the tight state can.
The cutting part 3 comprises an auxiliary gasket 31 and a cutter 32, wherein the auxiliary gasket 31 is provided with an abdicating groove 31a, the cutter 32 is arranged on one side of the abdicating groove 31a, when the first elastic element 2 is pulled, the first elastic element 2 can at least partially press the cutting edge of the cutter 32, the cutter 32 and the auxiliary gasket 31 can be welded and fixed and can also be integrally formed, the fastener is arranged on the bottom substrate 4, the fastener comprises a stud 5 which is vertically arranged and fixedly connected with the bottom substrate 4 and a nut 6 connected on the stud 5, the first connection point a1 is arranged on the nut 6, the auxiliary gasket 31 is fixedly connected with the bottom substrate 4, and the second connection point a2 is arranged on the auxiliary gasket 31.
In this embodiment, the cutter 32 includes first linkage segment 321 and second linkage segment 322, first linkage segment 321 is parallel to supplementary gasket 31 arranges, and first linkage segment 321 with be provided with between the supplementary gasket 31 and wear to establish the clearance 321a of stepping down of first elastic component 2, second linkage segment 322 by the one end of first linkage segment 321 to the bending shape in the groove 31a of stepping down forms, and the one end that first linkage segment 321 was kept away from to second linkage segment 322 with the cell wall fixed connection in groove 31a of stepping down.
Specifically, the second connection section 322 is a semicircular tube, a connection line between the first connection section 321 and the second connection section 322 is a bus of the second connection section 322, an arc side line of an inner circumferential surface of the semicircular tube is a cutting edge, the first elastic element 2 in a tightened state can slide into the second connection section 322 through the abdicating gap 321a, when the fastener is loosened, the first connection point a1 and the second connection a2 are separated from each other, at this time, the first elastic element 2 is subjected to gradually increased tensioning force, the pressure of the part of the first elastic element 2 located in the second connection section 322 and the cutting edge is increased, and the first elastic element 2 is cut off, so that the signal intensity of the tension detection end is obviously reduced.
In this embodiment, the tension detection portion 1 may be specifically applied to a pressure numerical control module that is sleeved on a spring antenna (also called a spring tag) with an RFI D tag, where the RFI D tag is located in the middle of the spring antenna and divides the spring antenna into two sections, one of the two sections is a first elastic member 2, and the other one is a second elastic member 12, and the pressure numerical control module may measure a relative pressure value and an ambient temperature applied to an edge of the auxiliary gasket in real time, and a communication portion in the pressure numerical control module transmits a numerical value to an external sub-controller or a host (not shown in the figure) in a wireless or wired manner, and when the relative pressure value changes greatly, it indicates that the fastener is loose, and the system provides an alarm, and reads an identity code every 2-5 seconds at regular time, and checks whether a response is made.
The spring tag is composed of a passive chip (RFI D technology), a substrate and a spring-shaped antenna, and the RFI D technology has the advantages of water resistance, magnetism prevention, high temperature resistance, long service life, large reading distance, capability of encrypting data on the tag, larger storage data capacity, free change of storage information and the like which are not possessed by a bar code. The spring tag can monitor the tightness of the fastener in real time, the safety of the fastener in the using process is improved, and the passive chip is not limited by power supply/power consumption.
In this embodiment, the first elastic member 2 and the second elastic member 12 are passive chip antennas (which may be understood as local circuits of the RFI D passive module), and when the first elastic member 2 and the second elastic member 12 are cut off, the RFI D passive module is directly damaged, and at this time, the alternating magnetic field emitted by the external RFI D signal receiver cannot drive the RFI D passive module to generate induced electromotive force, that is, the damaged RFI D passive module cannot emit the RFI D signal, and the RFI D signal receiver cannot receive the RFI D signal, that is, it may be determined that the fastener at the corresponding position is loosened.
The utility model discloses can detect fastener and fastener body when taking place not hard up rotatory, will drag and drive spring antenna, spring antenna will be cut off by the cutting edge for signal strength obviously reduces, and then obtains not hard up degree, compares with prior art and has the advantage that the precision is high, the result is data ization, can transmit the signal strength who measures to the far-end server through wired or wireless signal emission module in addition, make the not hard up degree of fastener realize on-line monitoring.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. An intelligent fastener monitoring device for detecting whether displacement occurs between a first connection point on a fastener and a second connection point on a substrate, the intelligent fastener monitoring device comprising:
the tension detection part is provided with at least one tension detection end;
one end of the first elastic piece is fixedly connected with the first connecting point or the second connecting point, the other end of the first elastic piece is fixedly connected with the tension detection end, and when one end of the first elastic piece is fixedly connected with the first connecting point, the tension detection part is fixedly connected with the second connecting point; when one end of the first elastic piece is fixedly connected with the second connecting point, the tension detecting part is fixedly connected with the first connecting point;
a cutout portion disposed adjacent to the first elastic member, the first elastic member being severable by the cutout portion when the first elastic member is pulled.
2. The intelligent fastener monitoring device according to claim 1, wherein the tension detection portion comprises a tension detection portion body and a second elastic member, the tension detection end is arranged at one end of the tension detection portion body, the other end of the tension detection portion body is fixedly connected with one end of the second elastic member, and when one end of the first elastic member is fixedly connected with the first connection point, the other end of the second elastic member is fixedly connected with the second connection point; when one end of the first elastic piece is fixedly connected with the second connecting point, the other end of the second elastic piece is fixedly connected with the first connecting point.
3. The intelligent fastener monitoring device of claim 2, wherein the cutting portion comprises an auxiliary gasket and a cutter, the auxiliary gasket is provided with an abdicating groove, the cutter is arranged on one side of the abdicating groove, and when the first elastic member is pulled, the first elastic member can at least partially extrude a blade of the cutter.
4. The intelligent fastener monitoring device of claim 3, wherein the cutter comprises a first connecting section and a second connecting section, the first connecting section is parallel to the auxiliary gasket, a abdicating gap penetrating the first elastic piece is arranged between the first connecting section and the auxiliary gasket, the second connecting section is formed by bending one end of the first connecting section towards the abdicating groove, and one end of the second connecting section, which is far away from the first connecting section, is fixedly connected with the groove wall of the abdicating groove.
5. The intelligent fastener monitoring device of claim 4, wherein the second connecting section is in the shape of a semicircular tube, and a connecting line of the first connecting section and the second connecting section is a bus of the second connecting section.
6. The intelligent fastener monitoring device of claim 4, wherein the cutter is welded to or integrally formed with the auxiliary gasket.
7. The intelligent fastener monitoring device of claim 2, wherein when one end of the first elastic member is fixed to the first connection point, the other end of the second elastic member is fixed to the second connection point, and the first elastic member is not cut, both the first elastic member and the second elastic member are in a stretched state; or when one end of the second elastic piece is fixed with the first connecting point, the other end of the first elastic piece is fixed with the second connecting point, and the first elastic piece is not cut off, the first elastic piece and the second elastic piece are both in a stretching state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121935657.9U CN217155657U (en) | 2021-08-17 | 2021-08-17 | Fastener intelligent monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121935657.9U CN217155657U (en) | 2021-08-17 | 2021-08-17 | Fastener intelligent monitoring device |
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| CN217155657U true CN217155657U (en) | 2022-08-09 |
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| CN202121935657.9U Active CN217155657U (en) | 2021-08-17 | 2021-08-17 | Fastener intelligent monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7470758B2 (en) | 2022-09-22 | 2024-04-18 | 株式会社内村 | Rotary fastener loosening detection device, corrosion prevention method for rotary fastener equipped with rotary fastener loosening detection device, and rotary fastener loosening detection system |
-
2021
- 2021-08-17 CN CN202121935657.9U patent/CN217155657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7470758B2 (en) | 2022-09-22 | 2024-04-18 | 株式会社内村 | Rotary fastener loosening detection device, corrosion prevention method for rotary fastener equipped with rotary fastener loosening detection device, and rotary fastener loosening detection system |
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