CN215640015U - A anti-seismic performance detection device for cable-stay bridge - Google Patents
A anti-seismic performance detection device for cable-stay bridge Download PDFInfo
- Publication number
- CN215640015U CN215640015U CN202121965324.0U CN202121965324U CN215640015U CN 215640015 U CN215640015 U CN 215640015U CN 202121965324 U CN202121965324 U CN 202121965324U CN 215640015 U CN215640015 U CN 215640015U
- Authority
- CN
- China
- Prior art keywords
- rack
- sliding
- wall
- cable
- fixed
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides an earthquake-resistant performance detection device for a cable-stayed bridge, which comprises an expansion joint formed by connecting a first connector and a second connector, and also comprises: fixed block, rack, mounting bracket, carriage, infrared sensor and detection mechanism, the fixed block passes through the bolt fastening on first connector surface, rack demountable installation is in fixed block one end, the mounting bracket can be dismantled and fix on second connector surface, carriage slidable mounting is at the mounting bracket inner wall, infrared sensor inlays and fixes at the mounting bracket top, and infrared sensor's laser irradiation at the carriage top, detection mechanism rotates and installs at the carriage inner wall, and detection mechanism and rack cooperate. The utility model has simple structure and lower production cost, and can carry out multi-direction detection and improve the detection precision.
Description
Technical Field
The utility model relates to the technical field of bridge anti-seismic performance detection, in particular to an anti-seismic performance detection device for a cable-stayed bridge.
Background
The cable-stayed bridge is a bridge with a deck suspended by stay cables, also called as an oblique-tension bridge, and is a structural system formed by combining a pressure-bearing tower, a pulled cable and a bending-bearing beam body.
Therefore, it is necessary to provide an earthquake-resistant performance detecting apparatus for a cable-stayed bridge to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an anti-seismic performance detection device for a cable-stayed bridge.
The utility model provides an earthquake-resistant performance detection device for a cable-stayed bridge, which comprises an expansion joint formed by connecting a first connector and a second connector, and also comprises: fixed block, rack, mounting bracket, carriage, infrared sensor and detection mechanism, the fixed block passes through the bolt fastening on first connector surface, rack demountable installation is in fixed block one end, the mounting bracket can be dismantled and fix on second connector surface, carriage slidable mounting is at the mounting bracket inner wall, infrared sensor inlays and fixes at the mounting bracket top, and infrared sensor's laser irradiation at the carriage top, detection mechanism rotates and installs at the carriage inner wall, and detection mechanism and rack cooperate.
Preferably, the detection mechanism includes: installing frame, pivot, gear and encoder, the installing frame passes through the pivot and rotates the connection at the carriage inner wall, and rack and installing frame inner wall sliding connection, the pivot passes through the bearing and rotates the connection at the installing frame inner wall, the gear is fixed at the pivot middle part, and gear and rack toothing are connected, the encoder is fixed in installing frame one side, and the input and the pivot fixed connection of encoder.
Preferably, the sliding frame is symmetrically fixed with sliding blocks on the outer side, the inner wall of the mounting frame is symmetrically provided with sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves.
Preferably, a sliding hole is formed in the upper end of the fixing block, one end of the rack is inserted into the inner wall of the sliding hole, clamping holes are formed in one end, close to the sliding hole, of the rack at equal intervals, a threaded hole is formed in the top of the fixing block, a threaded knob is connected to the inner wall of the threaded hole in a threaded mode, and the fixing block is fixedly connected with the rack through the threaded knob.
Preferably, a supporting block is fixed on one side of the fixed block, and the top of the supporting block is in contact with the rack.
Preferably, the bottom of the mounting frame is symmetrically fixed with mounting pieces, and the mounting pieces are fixedly connected with the second connecting body through bolts.
Preferably, the connecting strips are symmetrically fixed at the bottom of the inner wall of the mounting frame.
Preferably, the outer side of the threaded knob is provided with anti-skid threads.
Compared with the prior art, the anti-seismic performance detection device for the cable-stayed bridge has the following beneficial effects:
the utility model provides an earthquake-resistant performance detection device for a cable-stayed bridge, which comprises the following components:
1. when the bridge is used, a fixed block and a mounting frame are respectively arranged on a first connecting body and a second connecting body, a rack is meshed with a gear in a mounting frame, when the bridge shakes, a vertical gap and a left gap and a right gap are generated between the first connecting body and the second connecting body, the distance between the fixed block and the mounting frame is changed, when the bridge is displaced in the left direction and the right direction, a rack drives the gear to rotate in the mounting frame, and further the encoder can be driven to calculate the rotation angle, so that the displacement distance of the rack on the gear is determined, when the vertical displacement is carried out between the first connecting body and the second connecting body, the rack upwards pushes the mounting frame, and further the sliding frame is driven to rise, so that the infrared sensor detects the distance between the top of the sliding frame and the infrared sensor, so that the lifting distance is determined, and the anti-seismic performance is calculated through the vertical displacement and the left displacement, the device has simple structure and lower production cost, and can carry out multi-direction detection and improve the detection precision.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic view of a rack structure provided by the present invention;
FIG. 3 is a schematic structural view of a detecting mechanism provided in the present invention; .
Reference numbers in the figures: 1. a first connecting body; 2. a second connector; 3. a fixed block; 4. a rack; 5. a mounting frame; 6. a carriage; 7. an infrared sensor; 8. a detection mechanism; 81. installing a frame; 82. a rotating shaft; 83. a gear; 84. an encoder; 9. a slider; 10. a chute; 11. a clamping hole; 12. a threaded knob; 13. a support block; 14. mounting a sheet; 15. and (4) connecting strips.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
In the concrete implementation process, as shown in fig. 1 and fig. 2, an anti-seismic performance detection device for cable-stayed bridge includes an expansion joint formed by connecting a first connector 1 and a second connector 2, and further includes: fixed block 3, rack 4, mounting bracket 5, carriage 6, infrared sensor 7 and detection mechanism 8, fixed block 3 passes through the bolt fastening on the surface of first connector 1, rack 4 demountable installation is in 3 one ends of fixed block, mounting bracket 5 demountable installation is on the surface of second connector 2, carriage 6 slidable mounting is at the mounting bracket 5 inner wall, carriage 6 outside symmetry is fixed with slider 9, mounting bracket 5 inner wall symmetry has seted up spout 10, and slider 9 and spout 10 sliding connection, infrared sensor 7 inlays and fixes at the mounting bracket 5 top, and infrared sensor 7's laser irradiation is at carriage 6 top, detection mechanism 8 rotates and installs at carriage 6 inner wall, and detection mechanism 8 and rack 4 cooperate;
referring to fig. 2 and 3, the detection mechanism 8 includes: when the bridge is vibrated, a vertical gap and a horizontal gap can be generated between the first connecting body 1 and the second connecting body 2, so that the distance between the fixed block 3 and the mounting frame 5 is changed, and when the bridge is displaced in the left and right directions, the rack 4 drives the gear 83 to rotate in the mounting frame 81, and then the encoder 84 can be driven to calculate the rotation angle, so that the displacement distance of the rack 4 on the gear 83 is determined, when the vertical displacement is performed between the first connecting body 1 and the second connecting body 2, the rack 4 upwards jacks the mounting frame 81, and then the sliding frame 6 is driven to lift, so that the infrared sensor 7 detects the distance between the top of the sliding frame 6 and the infrared sensor 7, the lifting distance is determined, and the anti-seismic performance is calculated through the displacement generated vertically and horizontally.
Referring to fig. 2, a sliding hole is formed in the upper end of the fixed block 3, one end of the rack 4 is inserted into the inner wall of the sliding hole, clamping holes 11 are formed in one end, close to the sliding hole, of the rack 4 at equal intervals, a threaded hole is formed in the top of the fixed block 3, a threaded knob 12 is connected to the inner wall of the threaded hole in a threaded manner, the fixed block 3 and the rack 4 are fixedly connected through the threaded knob 12, a supporting block 13 is fixed to one side of the fixed block 3, the top of the supporting block 13 is in contact with the rack 4, the length of the rack 4 can be adjusted by sliding the rack 4, and the rack can be conveniently installed, adjusted and used according to actual conditions.
Referring to fig. 2, the bottom of the mounting frame 5 is symmetrically fixed with mounting pieces 14, the mounting pieces 14 are fixedly connected with the second connector 2 through bolts, and the bottom of the inner wall of the mounting frame 5 is symmetrically fixed with connecting strips 15, so that the connecting strength of the mounting frame 5 is improved.
The working principle is as follows:
when the bridge is used, people respectively install the fixed block 3 and the mounting frame 5 on the first connecting body 1 and the second connecting body 2, and enable the rack 4 to be meshed with the gear 83 in the mounting frame 81, when the bridge shakes, a vertical gap and a left-right gap are generated between the first connecting body 1 and the second connecting body 2, so that the distance between the fixed block 3 and the mounting frame 5 is changed, when the bridge displaces in the left-right direction, the rack 4 drives the gear 83 to rotate in the mounting frame 81, and then the encoder 84 can be driven to calculate the rotation angle, so as to determine the displacement distance of the rack 4 on the gear 83, when the vertical displacement is performed between the first connecting body 1 and the second connecting body 2, the rack 4 upwards pushes the mounting frame 81, and further drives the sliding frame 6 to rise, so that the infrared sensor 7 detects the distance between the top of the sliding frame 6 and the infrared sensor 7, so as to determine the lifting distance, the earthquake resistance is calculated by the displacement amounts occurring up and down and left and right.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides an anti-seismic performance detection device for cable-stay bridge, includes the expansion joint that is formed by connecting first connector (1) and second connector (2), its characterized in that still includes:
the fixing block (3), the said fixing block (3) is fixed on the surface of the first connecting body (1) through the bolt;
the rack (4) is detachably mounted at one end of the fixing block (3);
the mounting rack (5), the mounting rack (5) is detachably fixed on the surface of the second connecting body (2);
the sliding frame (6), the sliding frame (6) is installed on the inner wall of the installation frame (5) in a sliding mode;
the infrared sensor (7) is embedded and fixed on the top of the mounting frame (5), and laser of the infrared sensor (7) irradiates on the top of the sliding frame (6);
detection mechanism (8), detection mechanism (8) rotate to be installed at carriage (6) inner wall, and detection mechanism (8) and rack (4) cooperate.
2. The seismic performance detection device for cable-stayed bridges according to claim 1, characterized in that the detection mechanism (8) comprises:
the mounting frame (81) is rotatably connected to the inner wall of the sliding frame (6) through a shaft pin, and the rack (4) is in sliding connection with the inner wall of the mounting frame (81);
the rotating shaft (82), the rotating shaft (82) is rotatably connected to the inner wall of the mounting frame (81) through a bearing;
the gear (83) is fixed in the middle of the rotating shaft (82), and the gear (83) is meshed with the rack (4);
the encoder (84) is fixed on one side of the mounting frame (81), and the input end of the encoder (84) is fixedly connected with the rotating shaft (82).
3. The device for detecting the seismic performance of the cable-stayed bridge according to claim 1, wherein sliding blocks (9) are symmetrically fixed on the outer side of the sliding frame (6), sliding grooves (10) are symmetrically formed in the inner wall of the mounting frame (5), and the sliding blocks (9) are slidably connected with the sliding grooves (10).
4. The device for detecting the seismic performance of a cable-stayed bridge according to claim 1, wherein a sliding hole is formed in the upper end of the fixed block (3), one end of the rack (4) is inserted into the inner wall of the sliding hole, clamping holes (11) are formed in the end, close to the sliding hole, of the rack (4) at equal intervals, a threaded hole is formed in the top of the fixed block (3), a threaded knob (12) is connected to the inner wall of the threaded hole in a threaded manner, and the fixed block (3) and the rack (4) are fixedly connected through the threaded knob (12).
5. The apparatus for detecting the seismic performance of a cable-stayed bridge according to claim 1, wherein a supporting block (13) is fixed to one side of the fixing block (3), and the top of the supporting block (13) is in contact with the rack (4).
6. The device for detecting the seismic performance of the cable-stayed bridge according to claim 1, wherein the bottom of the mounting frame (5) is symmetrically fixed with mounting pieces (14), and the mounting pieces (14) are fixedly connected with the second connecting body (2) through bolts.
7. The device for detecting the seismic performance of a cable-stayed bridge according to claim 1, characterized in that the connecting strips (15) are symmetrically fixed at the bottom of the inner wall of the mounting frame (5).
8. The apparatus for detecting the seismic performance of a cable-stayed bridge according to claim 4, characterized in that the outer side of the threaded knob (12) is provided with anti-skid threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965324.0U CN215640015U (en) | 2021-08-20 | 2021-08-20 | A anti-seismic performance detection device for cable-stay bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965324.0U CN215640015U (en) | 2021-08-20 | 2021-08-20 | A anti-seismic performance detection device for cable-stay bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215640015U true CN215640015U (en) | 2022-01-25 |
Family
ID=79899994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121965324.0U Active CN215640015U (en) | 2021-08-20 | 2021-08-20 | A anti-seismic performance detection device for cable-stay bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215640015U (en) |
-
2021
- 2021-08-20 CN CN202121965324.0U patent/CN215640015U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106193133B (en) | A kind of slope section bridge pile foundation three-dimensional stress model experimental rig | |
| CN113075072B (en) | Bridge concrete structure detection device | |
| CN115110528B (en) | Real-time monitoring system and method for verticality adjustment of pile foundation steel upright post | |
| CN112663613A (en) | Verticality control device and verticality control method for latticed column | |
| CN215449027U (en) | Bridge outward appearance disease detection device | |
| CN116154695A (en) | Steel beam device for assembled power engineering and installation method | |
| CN215640015U (en) | A anti-seismic performance detection device for cable-stay bridge | |
| CN102926554B (en) | Steel hanging seat shuttering supporting and construction method thereof | |
| CN115853119B (en) | Prefabricated assembled light steel structure factory building | |
| CN111751219A (en) | Bridge railing strength test device | |
| CN216645247U (en) | Pile hole aperture measuring instrument for supervision of building engineering | |
| CN113865521B (en) | Device for detecting flatness of inner side of template and operation method | |
| CN109230279A (en) | A kind of building-construction lifting device | |
| CN211647379U (en) | Interim device of dysmorphism component installation | |
| CN212505888U (en) | Jack lifting device | |
| CN114622732A (en) | Auxiliary adjusting device for installation of prefabricated stairs | |
| CN210513098U (en) | Buried drain pipe inner diameter deformation measuring device | |
| CN208699830U (en) | A kind of building-construction lifting device | |
| CN110206076B (en) | Dynamic detection method and device for foundation constraint capacity of civil engineering structure | |
| CN111676830A (en) | Jack lifting equipment and lifting method thereof | |
| CN220117013U (en) | Bridge pier column detection device | |
| CN218621841U (en) | Assembled pier roof beam concreties support | |
| CN219754075U (en) | Positioning and mounting device for assembled wallboard | |
| CN220013393U (en) | Auxiliary installation device for vibration reduction cable saddle of large-span bridge | |
| CN216276828U (en) | Telescopic adjusting device capable of changing transverse position of trackless construction hanging basket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |