CN213986855U - Sensor fixing device for measuring micro-vibration of foundation - Google Patents
Sensor fixing device for measuring micro-vibration of foundation Download PDFInfo
- Publication number
- CN213986855U CN213986855U CN202022876713.8U CN202022876713U CN213986855U CN 213986855 U CN213986855 U CN 213986855U CN 202022876713 U CN202022876713 U CN 202022876713U CN 213986855 U CN213986855 U CN 213986855U
- Authority
- CN
- China
- Prior art keywords
- micro
- measuring device
- main body
- vibration measuring
- device main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a sensor fixing device for measuring foundation micro-vibration, which belongs to the field of building monitoring tools and comprises a micro-vibration measuring device main body, a sensor fixing support, a round steel bar, a U-shaped fixing steel plate, a screw, a spongy cushion, a U-shaped hole, a round steel bar tip, a screw hole and a steel plate; the micro-vibration measuring device comprises a micro-vibration measuring device main body, a sensor fixing support and a sensor fixing support, wherein the micro-vibration measuring device main body is a hollow cube formed by welding six steel plates in pairs; the utility model has the advantages of beautiful appearance, clear structure and simple operation; the metal is adopted for manufacturing, so that the product is firm and durable; the spongy cushion can effectively protect the sensor and avoid abrasion; the tip of the round steel rod is convenient for the micro-vibration measuring device to be easily and quickly inserted into the soil; the sensor that can measure ground microvibration is effectively fixed, effectively reduces artifical error and microvibration error that appear in the microvibration measurement in a plurality of aspects.
Description
Technical Field
The utility model belongs to building monitoring apparatus field especially relates to a sensor fixing device that ground microvibration was measured.
Background
With the rapid development of modern industry and the increasing enlargement of urban scale, the vibration is larger and larger for production and living environment,
the requirements of modern high-tech production equipment on vibration are more and more strict, so that the research on the micro-vibration measurement of the foundation is an indispensable ring in engineering. Before deep foundation excavation, in order to master the influence of heavy vehicles such as nearby full-load trucks and trains on the foundation and know the micro-vibration condition of x, y and z axes of each point position of the foundation, the underground vibration amplitude of the foundation needs to be measured. At present, the commonly used measuring instrument is a foundation micro-vibration measuring device which is mainly used in combination with a sensor. And inserting the round steel bar at the lower end of the foundation micro-vibration measuring device into a foundation pit dug in advance until the round steel bar completely submerges into the soil body, and exposing the main body of the foundation micro-vibration measuring device. And adjusting the foundation micro-vibration measuring device according to the terrain, and enabling the bubble of the bar type level meter to be positioned at the middle position, so that the x axis is parallel to the nearby street, the y axis is vertical to the nearby street, and the z axis is vertical to the ground. In construction, the sensor is generally leveled and fixed by using viscous plasticine, and the occurrence of manual errors cannot be avoided. In addition, the sensor is influenced by micro-vibration in the measuring process, and angular deviation is placed, so that the measurement is not accurate. In view of above not enough, this experiment is novel to provide a sensor fixing device that ground microvibration was measured, can protect the sensor not worn and torn, can effectively reduce again in a plurality of aspects and shake artifical error and microvibration error that appear in measuring.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a sensor fixing device for measuring the micro-vibration of the foundation, which has beautiful appearance, clear structure and simple operation; the metal is adopted for manufacturing, so that the product is firm and durable; the spongy cushion can effectively protect the sensor and avoid abrasion.
In order to realize the purpose, the utility model discloses a technical scheme be:
a sensor fixing device for measuring micro-vibration of a foundation is characterized in that: the micro-vibration measuring device comprises a micro-vibration measuring device main body, a sensor fixing support, a round steel bar, a bar-type level meter, a U-shaped fixing steel plate, a screw, a metal sheet, a spongy cushion, a U-shaped hole, a round steel bar tip, a screw hole, a bar-type groove and a steel plate; the micro-vibration measuring device comprises a micro-vibration measuring device main body, a sensor fixing support and a sensor fixing support, wherein the micro-vibration measuring device main body is a hollow cube formed by welding six steel plates in pairs, the position of the micro-vibration measuring device main body is adjusted left and right according to the position of a road, the x axis of the micro-vibration measuring device main body is parallel to the road, the y axis of the micro-vibration measuring device main body is vertical to the road, the sensor fixing supports are respectively arranged in the directions of x, y and z of the micro-vibration measuring device main body, and the sensor fixing supports are connected with the micro-vibration measuring device main body in a welding mode; a round steel bar is welded below the micro-vibration measuring device main body, the lower end of the round steel bar is cut into a round steel bar tip by a full-automatic round steel cutting machine, the round steel bar tip is vertically inserted into the ground, and the round steel bar is completely inserted into a soil body; the micro-vibration measuring device comprises a micro-vibration measuring device body, a micro-vibration measuring device and a micro-vibration measuring device, wherein two strip-type grooves are formed in the micro-vibration measuring device body, a strip-type level meter is respectively arranged in each strip-type groove, and the two strip-type level meters are respectively parallel to the x direction and the y direction; a U-shaped hole is formed above a U-shaped fixing steel plate of the sensor fixing support, and two sides of the U-shaped hole are respectively provided with a screw hole; the screw hole is arranged in the middle of two sides of the U-shaped hole; the screw penetrates through the screw hole to be connected with the metal sheet in a welding mode, and the other side of the metal sheet is bonded with the spongy cushion through the adhesive.
Furthermore, the main body of the micro-vibration measuring device is a standard cube, and the side length of the cube is greater than two times of the side length of the sensor.
Furthermore, the sensor fixing support is perpendicular to the surface of the micro-vibration measuring device main body, and the U-shaped fixing steel plate is parallel to the surface of the micro-vibration measuring device main body.
Furthermore, the round steel bar is arranged in the middle of the lower surface of the micro-vibration measuring device main body and is vertical to the micro-vibration measuring device main body, the length of the round steel bar is 70-80mm, and the diameter of the round steel bar is 30 mm.
Furthermore, the U-shaped hole is formed in the middle upper portion of the U-shaped fixing steel plate, and the width of the U-shaped hole is half of the side length of the U-shaped fixing steel plate.
Furthermore, the angle of the round steel rod tip is 30-45 degrees.
Furthermore, the two strip-shaped grooves are respectively parallel to the x axis and the y axis and are 10mm away from the outer boundary of the micro-vibration measuring device main body, and the depth of each strip-shaped groove is greater than the height of the strip-shaped level gauge.
Further, place the sensor in the sensor fixed bolster, the sensor is connected the conduction line, and the sensor tip is closely laminated fixedly with the micro-vibration measuring device main part surface, and sensor bottom surface outside length of side is the same with the interior limit length of sensor fixed bolster and micro-vibration measuring device main part contact surface.
Furthermore, the screw is a hexagonal flat-head screw, the inner diameter of the screw is the same as the inner diameter of the screw hole, the thread of the screw is the same as the thread of the inner diameter of the screw hole, and the length of the screw rod of the screw is 2 times of the depth of the screw hole.
The utility model has the advantages and beneficial effects that:
(1) the device has beautiful appearance, clear structure and simple operation;
(2) the metal is adopted for manufacturing, so that the product is firm and durable;
(3) the spongy cushion can effectively protect the sensor and avoid abrasion;
(4) the tip of the round steel rod is convenient for the micro-vibration measuring device to be easily and quickly inserted into the soil;
(5) the sensor that can measure ground microvibration is effectively fixed, effectively reduces artifical error and microvibration error that appear in the microvibration measurement in a plurality of aspects.
Drawings
Fig. 1 is a schematic structural diagram of a sensor fixing device for measuring micro-vibration of the ground.
FIG. 2 is a schematic view of a sensor fixing device for measuring the micro-vibration of the foundation after the sensor is installed.
FIG. 3 is a top view of a sensor fixture for ground based micro-vibration measurement.
Fig. 4 is an enlarged view of the structure of the fixing device.
In the figure, 1 is a body of the micro-vibration measuring device; 2 is a sensor fixing bracket; 3 is a round steel bar; 4 is a bar type level meter; 5 is a U-shaped fixed steel plate; 6 is a screw; 7 is a metal sheet; 8 is a spongy cushion; 9 is a U-shaped hole; 10 is the tip of a round steel rod; 11 is a screw hole; 12 is a strip-shaped groove; 13 is a sensor; 14 is a steel plate.
Detailed Description
In order to further describe the present invention, the following detailed description of the experimental novel model is made with reference to the drawings and the examples, which should not be construed as limiting the scope of the experimental novel model.
A sensor fixing device for measuring micro-vibration of a foundation is shown in figures 1-4 and comprises a micro-vibration measuring device main body 1, a sensor fixing support 2, a round steel bar 3, a bar-type level meter 4, a U-shaped fixing steel plate 5, a screw 6, a metal sheet 7, a spongy cushion 8, a U-shaped hole 9, a round steel bar tip 10, a screw hole 11, a bar-shaped groove 12 and a steel plate 14; the micro-vibration measuring device comprises a micro-vibration measuring device main body 1, a sensor fixing support 2 and a micro-vibration measuring device main body 1, wherein the micro-vibration measuring device main body 1 is a hollow cube formed by welding six steel plates 14 in pairs, the sensor fixing support 2 is respectively arranged in the positive directions x, y and z of the micro-vibration measuring device main body 1, and the sensor fixing support 2 is connected with the micro-vibration measuring device main body 1 in a welding mode; polishing the welding line by using an electric angle polishing machine until the surface is smooth; a round steel bar 3 is welded below the micro-vibration measuring device main body 1, and the lower end of the round steel bar 3 is cut into a round steel bar tip 10 by a full-automatic round steel cutting machine; two strip-shaped grooves 12 are arranged on the micro-vibration measuring device body 1, and a strip-shaped level meter 4 is respectively arranged in each strip-shaped groove 12 and is respectively parallel to the x direction and the y direction; a U-shaped hole 9 is formed above the U-shaped fixing steel plate 5 of the sensor fixing support 2, and two sides of the U-shaped hole 9 are respectively provided with a screw hole 11; the screw hole 11 is arranged in the middle of two sides of the U-shaped hole 9; the screw 6 passes through the screw hole 11 and is connected with the metal sheet 7 in a welding mode, and the other side of the metal sheet 7 is bonded with the spongy cushion 8 through an adhesive.
The micro-vibration measuring device main body 1 is a standard cube, and the side length of the cube is larger than two times of the side length of the sensor 13.
The sensor fixing support 2 is perpendicular to the surface of the micro-vibration measuring device main body 1, and the U-shaped fixing steel plate 5 is parallel to the surface of the micro-vibration measuring device main body 1.
The round steel bar 3 is perpendicular to the micro-vibration measuring device body 1 at the middle position below the micro-vibration measuring device body 1, the length of the round steel bar is 75mm, and the diameter of the round steel bar is 30 mm.
The U-shaped hole 9 is arranged above the middle of the U-shaped fixed steel plate 5, and the width of the U-shaped hole is half of the side length of the U-shaped fixed steel plate 5.
The angle of the round steel rod tip 10 is between 30 degrees.
The two strip-shaped grooves 12 are respectively parallel to the x axis and the y axis and are 10mm away from the outer boundary of the micro-vibration measuring device main body 1.
The depth of the strip-shaped groove 12 is greater than the height of the strip-shaped level gauge 4.
The sensor 13 is placed on the sensor fixing support 2, and the outer side length of the bottom surface of the sensor 13 is the same as the inner side length of the contact surface of the sensor fixing support 2 and the micro-vibration measuring device main body 1.
The screw 6 is a hexagonal flat-head screw 6, the inner diameter of the screw 6 is the same as that of the screw hole 11, the thread of the screw 6 is the same as that of the screw hole 11, and the length of the screw rod of the screw 6 is 2 times of the depth of the screw hole 11.
The installation mode of the sensor fixing device for measuring the micro-vibration of the ground comprises the following steps: firstly, adjusting the micro-vibration measuring device body 1 left and right according to the position of a road, so that the x axis of the micro-vibration measuring device body 1 is parallel to the road, and the y axis is vertical to the road; the round steel rod 3 continues to go deep into the soil body until the round steel rod 3 is completely inserted into the soil body, and only the micro-vibration measuring device main body 1 is exposed; beating and adjusting by a small hammer until the bubbles of the two strip gradienters 4 are in the middle position; connecting an x-direction sensor 13 with a conducting wire, and placing the sensor into the sensor fixing support 2 in the x direction along the U-shaped hole 9; simultaneously rotating two hexagonal flat-head screws 6 on the U-shaped fixed steel plate 5 until the end part of the sensor 3 is tightly attached and fixed with the surface of the micro-vibration measuring device main body; the y and z directions are installed and fixed in the same way.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A sensor fixing device for measuring micro-vibration of a foundation is characterized in that: the micro-vibration measuring device comprises a micro-vibration measuring device main body (1), a sensor fixing support (2), a round steel bar (3), a bar-type level meter (4), a U-shaped fixing steel plate (5), a screw (6), a metal sheet (7), a spongy cushion (8), a U-shaped hole (9), a round steel bar tip (10), a screw hole (11), a bar-shaped groove (12) and a steel plate (14); the micro-vibration measuring device comprises a micro-vibration measuring device main body (1), a sensor fixing support (2) and a micro-vibration measuring device main body (1), wherein the micro-vibration measuring device main body (1) is a hollow cube formed by welding six steel plates (14) in pairs, the position of the micro-vibration measuring device main body (1) is adjusted left and right according to the position of a road, the x axis of the micro-vibration measuring device main body (1) is parallel to the road, the y axis of the micro-vibration measuring device main body (1) is perpendicular to the road, the x, y and z directions of the micro-vibration measuring device main body (1) are respectively provided with the sensor fixing support (2), and the sensor fixing support (2) is connected with the micro-vibration measuring device main body (1) in a welding mode; the round steel bar (3) is welded below the micro-vibration measuring device main body (1), the lower end of the round steel bar (3) is cut into a round steel bar tip (10) by a full-automatic round steel cutting machine, the round steel bar tip (10) is vertically inserted into the ground, and the round steel bar (3) is completely inserted into a soil body; two strip-shaped grooves (12) are formed in the micro-vibration measuring device body (1), strip-shaped gradienters (4) are respectively placed in the strip-shaped grooves (12), and the two strip-shaped gradienters (4) are respectively parallel to the x direction and the y direction; a U-shaped hole (9) is formed above a U-shaped fixing steel plate (5) of the sensor fixing support (2), and two sides of the U-shaped hole (9) are respectively provided with a screw hole (11); the screw holes (11) are arranged in the middle positions of two sides of the U-shaped hole (9); the screw (6) penetrates through the screw hole (11) to be connected with the metal sheet (7) in a welding mode, and the other side of the metal sheet (7) is bonded with the spongy cushion (8) through an adhesive.
2. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the micro-vibration measuring device main body (1) is a standard cube, and the side length of the cube is larger than two times of the side length of the sensor (13).
3. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the sensor fixing support (2) is perpendicular to the surface of the micro-vibration measuring device main body (1), and the U-shaped fixing steel plate (5) is parallel to the surface of the micro-vibration measuring device main body (1).
4. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the round steel bar (3) is arranged in the middle of the lower surface of the micro-vibration measuring device main body (1) and is vertical to the micro-vibration measuring device main body (1), the length of the round steel bar is 70-80mm, and the diameter of the round steel bar is 30 mm.
5. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the U-shaped hole (9) is arranged above the middle of the U-shaped fixed steel plate (5), and the width of the U-shaped hole is half of the side length of the U-shaped fixed steel plate (5).
6. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the angle of the round steel rod tip (10) is 30-45 degrees.
7. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the two strip-shaped grooves (12) are respectively parallel to the x axis and the y axis and are 10mm away from the outer boundary of the micro-vibration measuring device main body (1), and the depth of each strip-shaped groove (12) is greater than the height of the strip-shaped level meter (4).
8. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: place sensor (13) in sensor fixed bolster (2), sensor (13) are connected the conduction line, and sensor (13) tip is closely laminated fixedly with microvibration measuring device main part (1) surface, and sensor (13) bottom surface outside length is the same with the interior limit length of sensor fixed bolster (2) and microvibration measuring device main part (1) contact surface.
9. The sensor fixing device for the micro-vibration measurement of the ground according to claim 1, wherein: the screw (6) is a hexagonal flat-head screw (6), the inner diameter of the screw (6) is the same as that of the screw hole (11), the thread of the screw (6) is the same as that of the screw hole (11), and the length of the screw rod of the screw (6) is 2 times of the depth of the screw hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876713.8U CN213986855U (en) | 2020-12-04 | 2020-12-04 | Sensor fixing device for measuring micro-vibration of foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876713.8U CN213986855U (en) | 2020-12-04 | 2020-12-04 | Sensor fixing device for measuring micro-vibration of foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213986855U true CN213986855U (en) | 2021-08-17 |
Family
ID=77240960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022876713.8U Expired - Fee Related CN213986855U (en) | 2020-12-04 | 2020-12-04 | Sensor fixing device for measuring micro-vibration of foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213986855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812647A (en) * | 2022-03-30 | 2022-07-29 | 西北核技术研究所 | Direction-adjustable sensor mounting base and mounting method thereof |
-
2020
- 2020-12-04 CN CN202022876713.8U patent/CN213986855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812647A (en) * | 2022-03-30 | 2022-07-29 | 西北核技术研究所 | Direction-adjustable sensor mounting base and mounting method thereof |
| CN114812647B (en) * | 2022-03-30 | 2024-03-12 | 西北核技术研究所 | Direction-adjustable sensor mounting seat and mounting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105040717B (en) | Foundation bolt fixing support and installation method | |
| CN103499268B (en) | The space relative deformation measurement mechanism of dish and lower wall in a kind of in-situ rock joint plane | |
| CN213209128U (en) | Tunnel country rock deformation monitoring structure | |
| CN213986855U (en) | Sensor fixing device for measuring micro-vibration of foundation | |
| CN104132630A (en) | Long-term deflection monitoring system and method for long-span bridge | |
| CN105716959A (en) | Foundation pit model test device capable of simulating dynamic change of underground water level | |
| CN204849798U (en) | Rag bolt fixed bolster | |
| CN106370335B (en) | Pressure box fixing device for measuring rock surrounding rock-lining contact pressure | |
| CN103696410B (en) | Rack-and-pinion climbing type vertical ship lift Nut column Efficient installation method and servicing unit | |
| CN205957883U (en) | Long and narrow space internal wall verticality measuring instrument and measuring device | |
| CN215256024U (en) | Adjustable positioner that punches in tunnel | |
| CN108867652B (en) | Foundation pit excavation rapid monitoring instrument | |
| CN213902209U (en) | Verticality measuring device for sleeve construction of drilling secant pile | |
| CN213952280U (en) | Support system of concrete track foundation embedded bolt | |
| CN213773301U (en) | Fixing device is buried underground to side direction soil pressure cell | |
| CN204064597U (en) | The erecting frame of Longspan Bridge Long-term Deflection monitoring hydrostatic level | |
| CN212779223U (en) | Detection device for monitoring levelness and verticality of support column | |
| CN203464897U (en) | Device for measuring relative deformation of space between hanging wall and footwall of joint surface of in-situ rock | |
| CN214783771U (en) | Novel foundation micro-vibration measuring sensor is fixed device | |
| CN207159938U (en) | A kind of temporary support moulding bed for making Large Steel cylinder | |
| CN110656557A (en) | Concrete pavement embossing device and embossing method thereof | |
| CN216558891U (en) | Underground garage construction is with subsiding observation device | |
| CN215329805U (en) | Measuring device for soil body pressure and pore water pressure | |
| CN215217462U (en) | Calibration system of profile blast hole | |
| CN214150153U (en) | Horizontal non-uniform foundation support pavement structure deflection testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210817 Termination date: 20211204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |