CN213239424U - Intelligent gasket for monitoring bolt looseness - Google Patents
Intelligent gasket for monitoring bolt looseness Download PDFInfo
- Publication number
- CN213239424U CN213239424U CN202021875375.XU CN202021875375U CN213239424U CN 213239424 U CN213239424 U CN 213239424U CN 202021875375 U CN202021875375 U CN 202021875375U CN 213239424 U CN213239424 U CN 213239424U
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- shielding shell
- piezoelectric ceramic
- top seat
- ceramic sheet
- sheet
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Abstract
The utility model discloses an intelligent gasket for monitoring bolt looseness, which comprises a top seat and a shielding shell, wherein the shielding shell and the top seat are detachably connected through threads; a buffer sheet and a piezoelectric ceramic sheet are also arranged between the top seat and the shielding shell, the buffer sheet is fixedly connected with the piezoelectric ceramic sheet through epoxy resin, the bottom surface of the piezoelectric ceramic sheet is fixedly connected with the inner wall of the bottom end of the shielding shell through epoxy resin, the piezoelectric ceramic sheet is connected with a signal emitter through a lead, and the signal emitter penetrates through the shielding shell; a through hole is formed in the center of the top seat and sequentially penetrates through the top seat, the buffer sheet, the piezoelectric ceramic sheet and the bottom surface of the shielding shell; through setting up piezoceramics piece, when taking place not hard up between screw and the gasket, piezoceramics piece atress changes, because piezoelectric effect can produce the signal of telecommunication and carry to signal transmitter this moment, and then can know the screw condition in real time.
Description
Technical Field
The utility model relates to a nut gasket technical field, specific theory relates to an intelligent gasket for monitoring bolt is not hard up.
Background
The bolt is a common connecting part, has the characteristic of convenient assembly and disassembly, and is widely applied to modern large-scale railway engineering, bridge engineering, civil structures and mechanical engineering, such as large-span steel bridges, high-speed turnouts and high-speed motor train unit structures; however, the bolt connection is a detachable connection, and compared with an undetachable connection, the probability of looseness is high, and the probability of accident occurrence is increased due to the fact that the bolt loosens and falls off, so that the bolt needs to be loosened and detected, but the existing monitoring needs to be carried out by monitoring the bolt loosening condition one by one manually, and the monitoring is time-consuming and labor-consuming, and has certain danger for detection of some special structures.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides an intelligent gasket for monitoring bolt looseness.
An intelligent gasket for monitoring bolt looseness comprises a top seat and a shielding shell, wherein the shielding shell and the top seat are detachably connected through threads; a buffer sheet and a piezoelectric ceramic sheet are also arranged between the top seat and the shielding shell, the buffer sheet and the piezoelectric ceramic sheet are arranged in the shielding shell, the bottom surface of the top seat is contacted with the buffer sheet, the buffer sheet is arranged above the piezoelectric ceramic sheet and is fixedly connected with the piezoelectric ceramic sheet through epoxy resin, the bottom surface of the piezoelectric ceramic sheet is fixedly connected with the inner wall of the bottom end of the shielding shell through the epoxy resin, the piezoelectric ceramic sheet is connected with a signal transmitter through a lead, and the signal transmitter penetrates through the shielding shell; the center of the top seat is provided with a through hole which sequentially penetrates through the top seat, the buffer sheet, the piezoelectric ceramic sheet and the bottom surface of the shielding shell.
By the utility model discloses a preferred scheme, the footstock upper surface divide into dull and stereotyped face and arcwall face according to the shape, dull and stereotyped face inner circle along the outer lane body coupling of arcwall face.
By the utility model discloses an optimal scheme, the internal diameter of shielding shell is the same with the external diameter of buffer piece and piezoceramics piece.
By the utility model discloses a preferred scheme, the footstock outer lane is connected with protruding circle around circumference an organic whole, and the external diameter of protruding circle is the same with the external diameter of shielding shell.
The utility model has the advantages that:
1. through setting up piezoceramics piece, when taking place not hard up between screw and the gasket, piezoceramics piece atress changes, because piezoelectric effect can produce the signal of telecommunication and carry to signal transmitter this moment, and then can know the screw condition in real time.
2. The surface of the top seat is set into a flat plate surface and an arc surface, and then the gasket can generate an automatic deviation rectifying function in the using or testing process.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the connection between the utility model and the screw:
wherein: the device comprises a flat plate surface 1, a top seat 2, a buffer sheet 3, a shielding shell 4, a signal emitter 5, a piezoelectric ceramic sheet 6, epoxy resin 7 and an arc-shaped surface 8.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The intelligent gasket for monitoring bolt looseness as shown in fig. 1 comprises a top seat 2 and a shielding shell 4, wherein the shielding shell 4 is detachably connected with the top seat 2 through threads; footstock 2 and shielding shell 4 can dismantle and form the gasket after connecting, it can prevent external interference influence to shielding shell 4 inside to set up shielding shell 4 simultaneously, 2 upper surfaces of footstock divide into dull and stereotyped face 1 and arcwall face 8 according to the shape simultaneously, dull and stereotyped 1 inner circle of face is along the outer lane body coupling of arcwall face 8, can realize the automatic function of rectifying of screw through arcwall face 8, limit through dull and stereotyped face 1 simultaneously, prevent that screw and gasket angle from too squinting, not only can guarantee installation accuracy and bolt steadiness, also can improve the installation effectiveness simultaneously.
A buffer sheet 3 and a piezoelectric ceramic sheet 6 are further arranged between the top seat 2 and the shielding shell 4, the buffer sheet 3 and the piezoelectric ceramic sheet 6 are arranged in the shielding shell 4, the bottom surface of the top seat 2 is contacted with the buffer sheet 3, the buffer sheet 3 is arranged above the piezoelectric ceramic sheet 6 and is fixedly connected with the piezoelectric ceramic sheet 6 through epoxy resin 7, the bottom surface of the piezoelectric ceramic sheet 6 is fixedly connected with the inner wall of the bottom end of the shielding shell 4 through the epoxy resin 7, the piezoelectric ceramic sheet 6 is connected with a signal emitter 5 through a lead, and the signal emitter 5 penetrates through the shielding shell; a through hole is formed in the center of the top seat 2 and sequentially penetrates through the top seat 2, the buffer sheet 3, the piezoelectric ceramic sheet 6 and the bottom surface of the shielding shell 4; the buffer sheet 3 is arranged for preventing the piezoelectric ceramic sheet 6 from being damaged due to overlarge force application when the screw is installed; the piezoelectric ceramic piece 6 is arranged for the purpose that when the screw is screwed down, the stress state of the screw and the gasket is kept unchanged, the pressure borne by the piezoelectric ceramic piece 6 is also kept unchanged, but when the screw and the gasket are loosened, namely the force borne by the piezoelectric ceramic piece 6 is reduced, the internal charge of the piezoelectric ceramic piece 6 is changed due to the piezoelectric effect, and different electric signals can be output through the signal transmitter 5, so that the looseness of the screw can be reflected; the epoxy resin 7 is arranged as a binder, so that an insulation effect can be achieved, and an electric signal transmission effect of the piezoelectric ceramic piece 6 is guaranteed.
The inner diameter of the shielding shell 4 is the same as the outer diameters of the buffer sheet 3 and the piezoelectric ceramic sheet 6; and then can guarantee that buffer patch 3 can play the buffering guard action to piezoceramics piece 6 to and piezoceramics piece 6 can stably realize playing the effect of stable monitoring because of the effect of piezoelectricity effect production signal of telecommunication.
The outer ring of the top seat 2 is integrally connected with a convex ring around the circumference, and the outer diameter of the convex ring is the same as that of the shielding shell 4; through setting up the convex ring, can play the restriction effect, prevent that footstock 2 and shielding shell 4 from when the installation promptly, footstock 2 produces the pressure to piezoceramics piece 6, and then when screwing up the screw, makes piezoceramics piece 6 take place to damage easily.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides an intelligent gasket for $ monitoring bolt is not hard up which characterized in that: the shielding device comprises a top seat (2) and a shielding shell (4), wherein the shielding shell (4) is detachably connected with the top seat (2) through threads; a buffer sheet (3) and a piezoelectric ceramic sheet (6) are further arranged between the top seat (2) and the shielding shell (4), the buffer sheet (3) and the piezoelectric ceramic sheet (6) are arranged in the shielding shell (4), the bottom surface of the top seat (2) is contacted with the buffer sheet (3), the buffer sheet (3) is arranged above the piezoelectric ceramic sheet (6) and is fixedly connected with the piezoelectric ceramic sheet (6) through epoxy resin (7), the bottom surface of the piezoelectric ceramic sheet (6) is fixedly connected with the inner wall of the bottom end of the shielding shell (4) through epoxy resin (7), a signal emitter (5) is connected onto the piezoelectric ceramic sheet (6) through a lead, and the signal emitter (5) penetrates through the shielding shell; the center of the top seat (2) is provided with a through hole which sequentially penetrates through the top seat (2), the buffer sheet (3), the piezoelectric ceramic sheet (6) and the bottom surface of the shielding shell (4).
2. The intelligent gasket for monitoring bolt loosening of claim 1, wherein: the upper surface of the top seat (2) is divided into a flat plate surface (1) and an arc-shaped surface (8) according to the shape, and the inner ring of the flat plate surface (1) is integrally connected with the outer ring of the arc-shaped surface (8).
3. The intelligent gasket for monitoring bolt loosening of claim 1, wherein: the inner diameter of the shielding shell (4) is the same as the outer diameters of the buffer sheet (3) and the piezoelectric ceramic sheet (6).
4. The intelligent gasket for monitoring bolt loosening of claim 1, wherein: the outer ring of the top seat (2) is integrally connected with a convex ring around the circumference, and the outer diameter of the convex ring is the same as that of the shielding shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021875375.XU CN213239424U (en) | 2020-09-01 | 2020-09-01 | Intelligent gasket for monitoring bolt looseness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021875375.XU CN213239424U (en) | 2020-09-01 | 2020-09-01 | Intelligent gasket for monitoring bolt looseness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239424U true CN213239424U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021875375.XU Active CN213239424U (en) | 2020-09-01 | 2020-09-01 | Intelligent gasket for monitoring bolt looseness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213239424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458677A (en) * | 2022-01-18 | 2022-05-10 | 中铁第四勘察设计院集团有限公司 | Anti-loosening anchor bolt and installation method thereof |
-
2020
- 2020-09-01 CN CN202021875375.XU patent/CN213239424U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458677A (en) * | 2022-01-18 | 2022-05-10 | 中铁第四勘察设计院集团有限公司 | Anti-loosening anchor bolt and installation method thereof |
| CN114458677B (en) * | 2022-01-18 | 2023-06-02 | 中铁第四勘察设计院集团有限公司 | Anti-loosening anchor bolt and installation method thereof |
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