CN217765314U - Sensor fastening protection device for cable-stayed bridge monitoring - Google Patents
Sensor fastening protection device for cable-stayed bridge monitoring Download PDFInfo
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- CN217765314U CN217765314U CN202221468587.5U CN202221468587U CN217765314U CN 217765314 U CN217765314 U CN 217765314U CN 202221468587 U CN202221468587 U CN 202221468587U CN 217765314 U CN217765314 U CN 217765314U
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- stayed bridge
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- 230000001681 protective effect Effects 0.000 claims description 9
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- 238000007789 sealing Methods 0.000 claims description 2
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
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- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a cable-stay bridge is sensor fastening protection device for monitoring belongs to stay cable monitoring technology field, can slide along the stay cable when having solved current sensor not hard up, lead to unable and stay cable same frequency resonance, and then unable acquisition target monitoring data, the sensor receives the rainwater simultaneously, the influence of bad weather such as wind and snow will greatly reduced life-span problem, simple structure has, be convenient for install, can effectual protection sensor not receive the rainwater corruption, the signal line of fixed sensor simultaneously, prevent the beneficial effect that the sensor damaged, concrete scheme is as follows: the utility model provides a cable-stay bridge is sensor fastening protection device for monitoring, is including the inboard cuff and the outside cuff of mutual butt joint fixed, inboard cuff top unable adjustment base, the safety cover is fixed at the base top, and the opening of safety cover one side sets up the baffle, and the top is equipped with the fixed subassembly of signal line in the safety cover, sets up waterproof rubber hole on the baffle and passes through with the admission signal line.
Description
Technical Field
The utility model belongs to the technical field of the stay cable monitoring technique and specifically relates to a sensor fastening protection device is used in cable-stay bridge monitoring.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
As a common bridge structure form, a stress structure system of a cable-stayed bridge is complex, wherein a stay cable is the most critical component in the stress system of the cable-stayed bridge, diseases such as corrosion, broken wires and the like often occur, and a corresponding sensor must be installed in a health monitoring system to monitor the cable force of the cable-stayed bridge in real time.
At present, an acceleration sensor is usually adopted for cable force monitoring of a cable-stayed bridge, the acceleration sensor is difficult to be fixed on a cable-stayed cable for a long time on one hand, and the acceleration sensor is generally directly bound on the cable-stayed cable by adopting a steel binding band, but the binding band is very easy to loosen due to rainwater corrosion, and the sensor fixed on the cable-stayed cable can slide along the cable-stayed cable when the binding band is loosened, so that the same-frequency resonance with the cable-stayed cable can not be caused, and further target monitoring data can not be obtained; on the other hand, the acceleration sensor is an electric signal sensing device, and the service life of the acceleration sensor is greatly shortened under the influence of severe weather such as rainwater, wind, snow and the like, so that the sensor has no signal or inaccurate data. The influence causes inaccurate safety evaluation results of the bridge structure; if the sensor is replaced, the manufacturing cost of the monitoring system can be greatly improved, and the standard type and the continuity of the monitoring data cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a sensor fastening protection device is used in cable-stay bridge monitoring, can effectual protection sensor not receive the rainwater corruption, the signal line of fixed sensor prevents that the sensor from damaging simultaneously.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the utility model provides a cable-stay bridge is sensor fastening protection device for monitoring, is including the inboard cuff and the outside cuff of mutual butt joint fixed, inboard cuff top unable adjustment base, the safety cover is fixed at the base top, and the opening of safety cover one side sets up the baffle, and the top is equipped with the fixed subassembly of signal line in the safety cover, sets up waterproof rubber hole on the baffle and passes through with the admission signal line.
According to the sensor fastening and protecting device for cable-stayed bridge monitoring, the inner hoop and the outer hoop are both semi-circular arcs, a plurality of clamping buckles are correspondingly arranged at two ends of the inner hoop and the outer hoop, and the first fixing piece penetrates through the clamping buckles of the inner hoop and the outer hoop to realize fixing.
According to the sensor fastening and protecting device for monitoring the cable-stayed bridge, the embedded grooves are formed in the positions, close to the clamping buckles, of the inner hoop and the outer hoop.
According to the fastening protection device for the cable-stayed bridge monitoring sensor, two ends of the anti-corrosion cover are respectively inserted into the embedded grooves at one end of the inner hoop and one end of the outer hoop.
According to the sensor fastening and protecting device for monitoring the cable-stayed bridge, the top of the inner hoop is transversely provided with the plurality of fixed interfaces, and the base is arranged on the outer side of the fixed interfaces and fixedly connected with the fixed interfaces after penetrating through the base through the second fixing piece.
According to the sensor fastening protection device for monitoring the cable-stayed bridge, the top of the base is provided with the plurality of sensor fixing interfaces, and the sensor is matched with the sensor fixing interfaces through the third fixing piece.
According to the sensor fastening protection device for cable-stayed bridge monitoring, the baffle is matched with the opening size of the protection cover to seal the protection cover, and baffle fastening openings are formed in two side faces, close to the opening, of the protection cover.
According to the sensor fastening protection device for monitoring the cable-stayed bridge, the baffle is U-shaped, and the fourth fixing piece penetrates through the baffle and then is fixedly connected with the baffle fastening opening.
According to the sensor fastening protection device for cable-stayed bridge monitoring, the signal wire fixing assembly comprises the pressing knob, the pressing plate and the knob screw, the knob screw is arranged at the top of the protection cover, and the pressing knob penetrates through the pressing plate and then is in threaded connection with the knob screw.
According to the sensor fastening protection device for monitoring the cable-stayed bridge, the signal wire fixing component is arranged on one side close to the baffle.
Above-mentioned the utility model has the advantages as follows:
1. the utility model discloses an inside and outside cuff is in close contact with cable force sensor and suspension cable and is in the same place, the effect of same frequency resonance has been realized, signal line fixed system, can be fixed in the safety cover with the sensor signal line, effectively solved sensor installation back because artificial pull and other influence factor to the destruction of sensor, the setting of safety cover and baffle, effectual sensor to in the safety cover is protected, guarantee that the sensor does not receive long-term influence such as rainwater, the life of cable force sensor has been improved, the hardware cost of health monitoring system has been saved greatly.
2. The inner and outer side hoop is provided with an embedded groove capable of being provided with an anti-corrosion cover, so that the corrosion of weather such as rainwater to the fastening bolt is effectively prevented, and the inner side hoop is provided with a fixed interface capable of tightly connecting the base with the inner side hoop.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is the embodiment of the utility model provides an in the embodiment of the utility model provides a cable-stay bridge sensor fastening protection device's cross sectional structure sketch map.
Fig. 2 is a top view of the embodiment of the present invention, which is a sensor fastening protection device for monitoring cable-stayed bridges.
Fig. 3 is the embodiment of the utility model provides an in the embodiment of the sensor fastening protection device for cable-stay bridge monitoring after the structure schematic diagram.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 1. the device comprises an inner hoop, 1-1 parts of a fixing interface, 1-2 parts of a clamping buckle, 2 parts of an outer hoop, 3 parts of an anti-corrosion cover, 4 parts of a first fixing piece, 5 parts of a base, 5-1 parts of a sensor fixing interface, 6 parts of a second fixing piece, 7 parts of a protective cover, 7-1 parts of a waterproof rubber hole, 7-2 parts of a baffle, 7-3 parts of a baffle fastening port, 8 parts of a signal line fixing component, 8-1 parts of a pressing knob, 8-2 parts of a pressing plate, 8-3 parts of a knob screw port, 9 parts of a sensor, 10 parts of a signal line and 11 parts of a stay cable.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. 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.
As described in the background art, in the prior art, when a sensor fixed on a stay cable is loosened, the sensor slides along the stay cable, and even vibrates together with the stay cable, so that target monitoring data cannot be obtained; simultaneously the sensor receives the influence of bad weather such as rainwater, wind and snow with the greatly reduced life-span, leads to sensor no signal or the unsafe problem of data, in order to solve above technical problem, the utility model provides a sensor fastening protection device is used in cable-stay bridge monitoring.
Example one
The utility model discloses an among the typical embodiment, refer to fig. 1-3, a sensor fastening protection device is used in cable-stay bridge monitoring, including butt joint fixed inboard cuff 1 and outside cuff 2 each other, the top unable adjustment base 5 of inboard cuff 1, the safety cover 7 is fixed at base 5 top, and the safety cover is used for protecting sensor 9, has waterproof, prevent wind function, and the sensor adopts acceleration sensor.
Specifically, the inner hoop 1 and the outer hoop 2 are both semi-circular arcs and have the same structure, the inner hoop and the outer hoop are fixedly butted on the periphery of a stay cable 11, so that the sensor 9 fastening protection device is firmly fixed on the stay cable, the two ends of the inner hoop and the two ends of the outer hoop are correspondingly provided with four clamping buckles 1-2, the two clamping buckles 1-2 are respectively arranged at one end of the hoop, the two ends are four, in the figure 2, the two clamping buckles at one end of the hoop are arranged at the two ends of the hoop in the length direction, the four clamping buckles on the inner hoop and the outer hoop are correspondingly arranged, the surface and the surface are in contact, the clamping buckles are provided with through holes, and the first fixing piece 4 penetrates through the clamping buckles of the inner hoop and the outer hoop to realize the fixation of the inner hoop and the outer hoop, so that the hoops are fixed on the stay cable. The first fixing member of the present embodiment employs a fastening bolt and a fastening nut.
The clamping buckle of this embodiment is dull and stereotyped structure, and the size should not be too big as long as can set up the through-hole that supplies the bolt to pass on the flat board can.
In order to prevent the hoop from loosening caused by rusting of the fastening nut, embedded grooves are formed in the positions, close to the clamping buckles, of the inner hoop 1 and the outer hoop 2 and are arranged along the length direction of the hoops, the length of each groove is larger than the distance between the two clamping buckles at one end of each hoop, so that the fastening bolt is protected, and the two ends of the anti-corrosion cover are respectively inserted into the embedded grooves in the inner hoop and the outer hoop.
Specifically, anticorrosion cover 3 is U type structure, and its both sides board tip is equipped with the arch, and the arch sets up along anticorrosion cover length direction, realizes fixing anticorrosion cover through protruding and embedded recess cooperation, covers through anticorrosion cover 3 and presss from both sides tight the knot, can effectual mode rainwater prevent it from rustting to fastening bolt's erosion.
The top of the inner hoop is provided with a plurality of fixing interfaces 1-1, the fixing interfaces 1-1 are transversely arranged, four fixing interfaces are arranged, as shown in fig. 3, the fixing interfaces 1-1 are grouped in pairs, the opening directions of the fixing interfaces respectively face the left side and the right side, and the distance between the two fixing interfaces 1-1 on the same side is adaptively adjusted according to the size of the base. The base is arranged on the outer side of the fixed interface 1-1 and fixedly connected with the fixed interface 1-1 after penetrating through the base 5 through the second fixing piece 6.
Specifically, through holes are correspondingly formed in the two sides of the base 5 according to the setting positions of the fixing interfaces, the second fixing piece 6 is a screw, the fixing interfaces 1-1 are screw holes, the depth of each screw hole meets the length of the screw, and therefore the fact that the four screw rods penetrate through the through holes in the two sides of the base to be in threaded fit with the fixing interfaces can be achieved, and the base 5 is fixed on the inner hoop 1.
The central position at base 5 top sets up a plurality of sensor fixed interfaces, and four sensor fixed interfaces 5-1 are preferred to this embodiment, and sensor fixed interface is the screw equally, and the position that sets up of four sensor fixed interfaces is decided according to the fixed position of sensor, and the sensor passes through the cooperation of third mounting and sensor fixed interface, and the third mounting is the screw rod, and four screw rods pass behind the sensor and sensor fixed interface screw-thread fit realizes the fixed to the sensor.
The safety cover 7 is fixed to the top of the base, the safety cover is square, a welded form is adopted in the embodiment, an opening is formed in one side of the safety cover, a baffle 7-2 is arranged at the opening, the baffle can be opened and can also be closed, the sensor is installed on the top surface of the base in the safety cover, the baffle 7-2 is matched with the opening of the safety cover in size to achieve sealing of the safety cover, baffle fastening ports 7-3 are formed in two side faces, close to the opening, of the safety cover, two baffle fastening ports are formed in the safety cover of each side face, the baffle fastening ports are screw ports, the baffle in the figure 2 is U-shaped, a fourth fixing piece penetrates through holes in the baffle and then is in threaded connection with the baffle fastening ports, and the fourth fixing piece is provided with a screw rod.
The top in the protection cover is provided with a signal wire fixing component 8, and the baffle plate is provided with a waterproof rubber hole 7-1 to allow a signal wire to pass through. The signal wire fixing assembly comprises a pressing knob 8-1, a pressing plate 8-2 and a knob screw 8-3, the knob screw is arranged at the top in the protective cover, the pressing knob penetrates through the pressing plate and then is in threaded connection with the knob screw, the pressing plate presses a signal wire of the sensor, then the pressing knob and the knob screw are matched to enable the signal wire to be pressed between the pressing plate and the top surface of the protective cover through the pressing plate, the signal wire 10 is fixed, and the sensor 9 is prevented from being damaged due to manual drawing of the signal wire.
Wherein the signal wire fixing component 8 is arranged at one side close to the baffle plate, so that the signal wire of the connecting sensor can penetrate through the waterproof rubber hole on the baffle plate. The diameter in waterproof rubber hole is 5mm, can just pass single core signal of telecommunication shielded wire, in addition, waterproof rubber hole can prevent rainwater etc. and get into the safety cover.
The specific use steps of this embodiment are:
(1) Fixing a sensor on a sensor fixing interface on the base through a bolt port, and enabling a signal wire to penetrate through a signal wire fixing component and a waterproof rubber hole, wherein the signal wire is loosely arranged in the protective cover;
(2) The signal wire is compressed through the right-handed compression knob, the signal wire does not slide at the position through the drawing signal wire, and then the baffle plate is fastened on the protective cover through the bolt;
(3) The base is tightly connected to the inner hoop through 4 screws;
(4) Fixing the inner hoop and the outer hoop at the designed installation position of the stay cable, and fixing by adopting a fastening nut to ensure that the inner hoop and the outer hoop resonate with the stay cable at the same frequency;
(5) The corrosion-proof cover is arranged on the inner and outer side hoops through the embedded groove, and the two sides are sealed by adopting foam rubber.
Compared with the prior art, the fastening protection device has reasonable structure, and the cable force sensor and the stay cable are tightly combined together through the inner hoop and the outer hoop, so that the effect of same-frequency resonance is realized; the good tightness of being connected of inside and outside cuff and suspension cable is the assurance condition of monitoring data accuracy, and the installation anticorrosion cover has effectively prevented weather such as rainwater to fastening bolt's corruption. On one hand, the design greatly improves the accuracy of the data of the cable force sensor and reduces the data noise; on the other hand, the cable force sensor is prevented from being influenced by rainwater and the like for a long time, the service life of the cable force sensor is prolonged, and the hardware cost of the health monitoring system is greatly saved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a cable-stay bridge monitoring is with sensor fastening protection device which characterized in that, including mutual butt joint fixed inboard cuff and outside cuff, inboard cuff top unable adjustment base, the safety cover is fixed at the base top, and the opening of safety cover one side sets up the baffle, and the top is equipped with the fixed subassembly of signal line in the safety cover, sets up waterproof rubber hole on the baffle and passes through with the admission signal line.
2. The sensor fastening and protecting device for cable-stayed bridge monitoring according to claim 1, characterized in that the inner hoop and the outer hoop are both semi-circular arc-shaped, a plurality of clamping buckles are correspondingly arranged at two ends of the inner hoop and the outer hoop, and the first fixing piece passes through the clamping buckles of the inner hoop and the outer hoop to realize fixing.
3. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 2, characterized in that embedded grooves are arranged on the inner hoop and the outer hoop near the clamping buckles.
4. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 3, wherein both ends of the corrosion prevention cover are respectively inserted into the embedded grooves at one end of the inner hoop and one end of the outer hoop.
5. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 1, wherein a plurality of fixing interfaces are transversely arranged at the top of the inner hoop, and the base is arranged outside the fixing interfaces and fixedly connected with the fixing interfaces after penetrating through the base through second fixing pieces.
6. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 1, wherein a plurality of sensor fixing interfaces are arranged at the top of the base, and the sensor is matched with the sensor fixing interfaces through a third fixing piece.
7. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 1, characterized in that the size of the opening of the protective cover is matched with that of the baffle plate to realize sealing of the protective cover, and baffle plate fastening openings are arranged on two side surfaces of the protective cover adjacent to the opening.
8. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 7, wherein the baffle is U-shaped, and the fourth fixing piece penetrates through the baffle and is fixedly connected with the baffle fastening opening.
9. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 1, wherein the signal wire fixing component comprises a pressing knob, a pressing plate and a knob screw, the knob screw is arranged at the top of the protective cover, and the pressing knob penetrates through the pressing plate and then is in threaded connection with the knob screw.
10. The cable-stayed bridge monitoring sensor fastening and protecting device according to claim 9, characterized in that the signal wire fixing component is arranged at one side close to the baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221468587.5U CN217765314U (en) | 2022-06-13 | 2022-06-13 | Sensor fastening protection device for cable-stayed bridge monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221468587.5U CN217765314U (en) | 2022-06-13 | 2022-06-13 | Sensor fastening protection device for cable-stayed bridge monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN217765314U true CN217765314U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221468587.5U Active CN217765314U (en) | 2022-06-13 | 2022-06-13 | Sensor fastening protection device for cable-stayed bridge monitoring |
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| Country | Link |
|---|---|
| CN (1) | CN217765314U (en) |
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2022
- 2022-06-13 CN CN202221468587.5U patent/CN217765314U/en active Active
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