CN105466554B - Vertical structural component vibration detection device - Google Patents
Vertical structural component vibration detection device Download PDFInfo
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- CN105466554B CN105466554B CN201510993561.0A CN201510993561A CN105466554B CN 105466554 B CN105466554 B CN 105466554B CN 201510993561 A CN201510993561 A CN 201510993561A CN 105466554 B CN105466554 B CN 105466554B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention discloses a vertical structural member vibration detection device, comprising: the fastening area, ferromagnetic distribution appearance, three bolt and a plurality of vibration detection sensor that have powerful magnet, the distribution appearance is fixed to vertical structure member main part through the fastening area, the middle part of fastening area is fixed or can be dismantled the middle part that is connected to distribution appearance owner facade, it has a horizontal bubble to paste on the upper surface of distribution appearance, and distribution appearance owner facade is being close upper surface department owner facade middle line position and being close to lower surface department owner facade both sides and distributing has three internal thread hole that link up, the fastening area does not cover three internal thread hole, three bolt is respectively in three internal thread hole of screw in and wear out from the other end and contact with vertical structure member main part, a plurality of vibration detection sensor adsorb on the surface of distribution appearance through magnetic force respectively. The invention can realize rapid and accurate arrangement of measuring points, detect the vertical vibration acceleration of the vertical structural member and improve the vibration detection accuracy in the horizontal direction.
Description
Technical Field
The invention belongs to the field of structural vibration detection, and particularly relates to a vibration detection device for a vertical structural member.
Background
At present, two types of detection equipment for the structural vibration acceleration are mainly used, one is that a one-way or multi-way sensor is integrated into a whole, is placed on a plane, is tightly attached to or contacted with the plane under the action of self weight, and can detect the horizontal and vertical vibration acceleration of the plane; and the other is that a magnet is arranged on the sensor or other technical measures are adopted, so that the sensor can be bonded with the surface of the member to be detected, and the vibration acceleration in the direction vertical to the surface of the member to be bonded is detected.
At present, for structural members such as columns, walls and piers with only vertical surfaces, the detection of vertical vibration acceleration can only be carried out on the surfaces of the members such as beams and plates connected with the vertical structural members, or auxiliary tools are embedded, welded or drilled on the columns, the walls and the piers to create operation surfaces for detection.
However, when the surface of a member such as a beam or a plate around the vertical structural member is detected, the detected data does not truly reflect the vibration acceleration of the vertical structural member. Operation surfaces created by embedding, welding or drilling and installing auxiliary tools on columns, walls and piers are fixed, the operation surfaces cannot be guaranteed to be horizontal planes, the detection direction of the vibration sensor cannot be guaranteed to be vertical, vibration detection data can be deviated, the point distribution speed is low, and the quality (flatness and firmness) of the operation surfaces cannot be guaranteed. In addition, when detecting the horizontal vibration of the vertical structural member, the vibration sensor on the non-ferromagnetic vertical structural member is fixed by using a thin double-sided adhesive tape or other adhesive substances, and the sensor is easy to loosen.
Therefore, the vertical vibration of the vertical structural member in the building/structure cannot be detected by using the existing equipment and technology, and the horizontal vibration detection distribution mode of the vertical structural member in the building/structure needs to be improved.
Disclosure of Invention
The invention aims to solve the problem that the vibration detection measuring points of the vertical structural member are difficult to arrange by aiming at the problem that no effective method and equipment for quickly and accurately providing an operating surface for arranging the measuring points for the vibration detection of the vertical structural member exist at present.
In order to solve the above problems, the present invention provides a vertical structural member vibration detection device including: the device comprises a fastening belt, a ferromagnetic stationing instrument, three bolts and a plurality of vibration detection sensors with powerful magnets, wherein the stationing instrument is fixed to a vertical structural member main body through the fastening belt, the middle part of the fastening belt is fixedly or detachably connected to the middle part of a main vertical surface of the stationing instrument, the stationing instrument is provided with a polished smooth and flat planar surface and adjacent surfaces which are orthogonal and vertical to each other, a horizontal bubble is pasted on the upper surface of the stationing instrument, three through internal threaded holes are distributed on the main vertical surface of the stationing instrument at the position close to the middle line of the main vertical surface of the upper surface and at the position close to the two sides of the main vertical surface of the lower surface, the fastening belt does not cover the three internal threaded holes, the three bolts are respectively screwed into the three internal threaded holes and penetrate out from the other end to be contacted with the vertical structural member main body, and the plurality of vibration detection sensors are respectively adsorbed on the surface of the stationing instrument through magnetic force.
According to the vibration detection device for the vertical structural member, one end of the fastening belt is provided with the fixing buckle, the other end of the fastening belt is a free end, and the free end is separated from the fixing buckle or is fastened after penetrating through the fixing buckle.
According to the vertical structure component vibration detection device, the middle part of the fastening belt is detachably connected to the middle part of the main vertical surface of the stationing instrument through the detachable connecting piece, and the detachable connecting piece does not cover the three internal thread holes.
According to above-mentioned vertical structure component vibration detection device, wherein, can dismantle the connecting piece and paste for the magic.
According to the vertical structural member vibration detection device, the pasting position of the horizontal bubble is close to the shorter side of the upper surface of the point arranging instrument, and the distance from the shorter side of the upper surface of the point arranging instrument is 5mm to 10 mm.
According to the vertical structural member vibration detection device, the length of the bolt is 70mm, the length of the thread on the bolt is 50mm, and the bolt head is hexagonal.
According to the vertical structural member vibration detection device, the length of the bolt is 70mm, and when the bubble in the horizontal bubble is static at the center of the horizontal bubble, the upper surface of the point distribution instrument is in a horizontal state.
According to above-mentioned vertical structure component vibration detection device, wherein, bolt length is 70mm, wherein, the stationing appearance passes through the fastening area to be fixed to vertical structure component main part on, and when the bubble is static in the centre of a circle department of horizontal bubble in the horizontal bubble, each surface forms horizontal operation face and vertical operation face respectively on the stationing appearance.
Advantageous effects
The invention provides a vibration detection device for a vertical structural member, which can realize rapid and accurate arrangement of measuring points, detect the vertical vibration acceleration of the vertical structural member and improve the vibration detection accuracy in the horizontal direction. The invention has the following advantages:
(1) according to the invention, a horizontal operation surface and a vertical operation surface are created on the vertical structural member, and the point distribution instrument is tightly fixed with the vertical structural member, so that the vibration acceleration of the vertical structural member can be accurately detected;
(2) providing three operation surfaces in the orthogonal directions simultaneously, and creating conditions for detecting the vibration acceleration in the three directions simultaneously;
(3) the application is flexible, and the distribution is quick and accurate;
(4) the problem that the sensor cannot be firmly fixed on the non-ferromagnetic component can be solved.
Drawings
FIG. 1 is a top view of a vertical structural member vibration detection device of the present disclosure;
FIG. 2 is a front view of the point laying instrument after being secured by the fastening tape;
figure 3 is a structural view of the front elevation of the point arranging instrument with the magic tape;
figure 4 is a perspective view of the structure of the upper surface of the point-placing instrument with the magic tape;
figure 5 is a perspective view of the structure of the side elevation of the point placement machine with the hook and loop fastener.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific examples, but the invention is not limited thereto.
FIG. 1 is a top view of a vertical structural member vibration detection device of the present disclosure; as shown in fig. 1, the present invention provides a vertical structural member vibration detecting apparatus, including: a fastening band 01, a ferromagnetic point distribution instrument 02, three bolts 03 and a plurality of vibration detecting sensors (not shown in the drawings) with strong magnets, the point distribution instrument 02 is fixed to the body of the vertical structural member 04 through the fastening band 01, fig. 2 is a front view of the point distribution instrument fixed through the fastening band, as shown in fig. 2, the middle of the fastening band 01 is fixed or detachably connected to the middle of the main vertical surface of the point distribution instrument 02, the point distribution instrument 02 has polished smooth and flat planar surfaces and adjacent surfaces are perpendicular to each other, as shown in fig. 1, a level bubble 05 is adhered to the upper surface of the point distribution instrument 02, fig. 3 is a structural view of the vertical surface of the point distribution instrument with magic tape, fig. 4 is a structural perspective view of the upper surface of the point distribution instrument with the magic tape, fig. 5 is a structural perspective view of the side vertical surface of the point distribution instrument with the magic tape, as shown in fig. 3 to 5, and the point distribution instrument 02 is mainly distributed at a position of the main middle line near the upper surface and at both sides of the main vertical surface and near the main vertical surface There are three internal thread holes 06 that link up, and fastening band 01 does not cover three internal thread hole 06, and three bolt 03 is in the three internal thread hole 06 respectively and is worn out from the other end and contact with vertical structure member 04 main part, and a plurality of vibration detection sensor pass through magnetic force absorption respectively on the surface of stationing appearance 02.
As shown in fig. 1 and 2, the present invention further discloses that the fastening tape 01 of the vertical structural member vibration detecting device is a high-strength low-elasticity cloth tape, preferably a canvas tape, having a width of 20mm to 30mm and a thickness of 2mm to 3mm, the length depending on the circumference of the detected vertical structural member 04. One end of the fastening belt 01 is provided with a fixing buckle (not shown in the figure) commonly used on the safety belt, the other end is free, the free end can pass through the fixing buckle, and the fastening belt is in a head-tail closed shape when the fixing buckle is fastened, and the slipping does not occur. As shown in fig. 3, the middle part of the fastening belt 01 is detachably connected to the middle part of the main vertical surface of the stationing instrument 02 through a detachable connecting piece, and the three internal thread holes 06 are not covered by the detachable connecting piece. For example, half magic tape 07 (commonly used on clothes and shoes, can be repeatedly pasted and torn) can be bonded in the middle of fastening belt 01, and the width is the same with the fastening belt width, and the length is 50mm to 60 mm.
As shown in fig. 3 to 5, the invention further discloses that the point distribution instrument 02 of the vibration detection device for the vertical structural member is a solid block of solid ferromagnetic material, which can be attracted by a magnet and firmly attached. The dot arranging instrument 02 has a rectangular parallelepiped shape with a weight of about 530g to 570g and a size of 30mm × 50mm × 60mm, and adjacent surfaces are orthogonal to each other. When in use, the surfaces of 30mm multiplied by 50mm are the upper surface and the lower surface; the 50mm multiplied by 60mm surface is a main vertical surface, and the 30mm multiplied by 60mm surface is a side vertical surface. The surface of the point distribution instrument 02 is polished to be a smooth and flat plane, a horizontal bubble 05 is pasted on the upper surface, the diameter of the horizontal bubble 05 is 10mm to 15mm, the thickness of the horizontal bubble is 3mm to 4mm, the pasting position is close to the short edge, the distance from the edge is 5mm to 10mm, when the bubble in the horizontal bubble 05 is still at the center of the horizontal bubble 05, the upper surface of the point distribution instrument 02 is in a horizontal state, and the main vertical face and the side vertical face are in a vertical state. Three internal threaded holes 06 are formed in the main vertical surface, the nominal internal diameter is 6mm to 8mm, bolts with corresponding external diameters can be screwed in, and the three threaded holes 06 are distributed at the position close to the middle line of the main vertical surface at the upper surface and at the two sides of the main vertical surface at the position close to the lower surface. The middle part of the main vertical surface on one side of the point distribution instrument 02 is transversely bonded with the other half of the magic tape 07 corresponding to the fastening belt 01, and the width of the magic tape is 20 mm. The magic tape does not shield the threaded hole 06.
The invention further discloses a nominal outer diameter of a bolt 03 of the vertical structural member vibration detection device, which corresponds to the nominal inner diameter of a threaded hole 06 in a stationing instrument 02 and can be screwed into the threaded hole 06, the length of the bolt 03 is 70mm, wherein the length of the thread is 50mm, and the bolt head is in an outer hexagon shape.
When the vertical structural member vibration detection device is used, firstly, the arrangement positions of the vertical structural member 04 and the measuring points on the member are determined according to a vibration detection scheme, a decoration layer and accessories on the surface of the member are cleaned, and a member main body (the surface of concrete, steel or masonry) is exposed; sticking a main vertical face on one side of the point distribution instrument 02 with the magic tape 07 on the fastening tape 01, keeping the upper surface of the point distribution instrument 02 upward and the vertical postures of all vertical faces close to each other, leading the main vertical face which is not contacted with the fastening tape 01 to face the outer vertical face (plane or curved surface) of the tested vertical structural component 04, winding the fastening tape 01 around the tested vertical structural component 04 for a circle, leading the free end of the fastening tape 01 to pass through the fixing buckle at the other end, tensioning the fastening tape 01, and locking the fixing buckle, wherein the fastening tape 01 is to fix the point distribution instrument 02 on the vertical face of the tested vertical structural component 04; the three bolts 03 are respectively screwed into corresponding internal thread holes 06 on the point arranging instrument 02, penetrate out from the other side and are contacted with the vertical surface of the vertical structural component 04; by adjusting the extension lengths of the three bolts 03, the fastening belt 01 is further tightened, so that the point distribution instrument 02 can be in close contact with the tested vertical structural component 04, and no relative displacement is generated during structural vibration detection; the extending lengths of the three bolts 03 are adjusted, so that bubbles in the horizontal bubbles 05 on the upper surface of the point arranging instrument 02 are static at the circle center of the horizontal bubbles 05 to form a horizontal operation surface and a vertical operation surface which are used for arranging vibration detection points; and during vibration detection, a plurality of vibration detection sensors with powerful magnets are adsorbed on the horizontal operation surface and the vertical operation surface of the stationing instrument 02 to perform vibration detection.
According to the vibration detection method of the vibration detection device for the vertical structural member, when the sensor is adsorbed on the horizontal operation surface for detection, the vibration detection direction is vertical, and the vertical vibration acceleration of the vertical structural member 04 is detected, and when the sensor is adsorbed on the vertical operation surface for detection, the vibration detection direction is horizontal, and the vibration acceleration of the vertical structural member in the horizontal direction is detected.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention in any way. Any simple modification, form change and modification of the above embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (7)
1. Vertical structure component vibration detection device, its characterized in that: the device comprises: a fastening belt, a ferromagnetic point distribution instrument, three bolts and a plurality of vibration detection sensors with strong magnets, the point arranging instrument is fixed on the vertical structural member main body through the fastening belt, the middle part of the fastening belt is fixedly or detachably connected to the middle part of the main vertical surface of the point arranging instrument, the point-arranging instrument has a polished smooth and flat plane surface and every adjacent surface is orthogonal to each other, a horizontal bubble is stuck on the upper surface of the point distribution instrument, three through internal threaded holes are distributed on the main vertical surface of the point distribution instrument at the position close to the middle line of the main vertical surface of the upper surface and at the two sides of the main vertical surface of the point distribution instrument close to the lower surface, the fastening belt does not cover the three internal thread holes, the three bolts are screwed into the three internal thread holes respectively and penetrate out from the other end to be in contact with the vertical structural member main body, and the plurality of vibration detection sensors are adsorbed on the surface of the point distribution instrument through magnetic force respectively.
2. The vertical structural member vibration detecting device according to claim 1, characterized in that: one end of the fastening belt is provided with a fixing buckle, the other end of the fastening belt is a free end, and the free end is separated from the fixing buckle or is fastened after penetrating through the fixing buckle.
3. The vertical structural member vibration detecting device according to claim 1, characterized in that: the middle part of the fastening belt is detachably connected to the middle part of the main vertical surface of the stationing instrument through a detachable connecting piece, and the detachable connecting piece does not cover the three internal thread holes.
4. The vertical structural member vibration detecting device according to claim 3, characterized in that: the detachable connecting piece is a magic tape.
5. The vertical structural member vibration detecting device according to claim 1, characterized in that: the pasting position of the horizontal bubble is close to the shorter side of the upper surface of the point distribution instrument, wherein the distance from the shorter side of the upper surface of the point distribution instrument is 5mm to 10 mm.
6. The vertical structural member vibration detecting device according to claim 1, characterized in that: the bolt length is 70mm, wherein, the screw thread length on the bolt is 50mm, and the bolt head is outer hexagon.
7. The vertical structural member vibration detecting device according to claim 1, characterized in that: the fastening belt is a high-strength low-elasticity cloth belt.
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| CN201510993561.0A CN105466554B (en) | 2015-12-25 | 2015-12-25 | Vertical structural component vibration detection device |
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| CN201510993561.0A CN105466554B (en) | 2015-12-25 | 2015-12-25 | Vertical structural component vibration detection device |
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| CN105466554A CN105466554A (en) | 2016-04-06 |
| CN105466554B true CN105466554B (en) | 2022-09-09 |
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| CN114001817B (en) * | 2021-09-29 | 2022-08-19 | 东南大学 | Acceleration sensor fixing device and method for bridge vibration monitoring |
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