Displacement monitoring device of cable-stayed bridge

Abstract

The utility model discloses a displacement monitoring device of a cable-stayed bridge, which relates to the technical field of bridge monitoring and comprises a buffer structure and a monitoring structure. The buffer structure comprises a base and a buffer seat, the base is used for being installed on the cable-stayed bridge, the buffer seat is installed above the base in a liftable mode, a buffer cavity is defined by the buffer seat and the base, a buffer assembly is arranged in the buffer cavity, and the buffer assembly is connected with the base and the buffer seat; the monitoring structure is installed on the buffer seat and comprises a camera, and the camera is used for monitoring displacement of the end of a cable of the cable-stayed bridge. According to the utility model, the intensity of vibration acting on the camera can be effectively reduced, so that the camera can monitor the end part of the inhaul cable more stably, the accuracy is higher, and the possibility of damage to the camera caused by vibration can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge monitoring technical field, especially a displacement monitoring device of cable -stayed bridge. BACKGROUND

[0002] In the use process of cable -stayed bridge, usually need through displacement monitoring device to the displacement monitoring of cable -stayed bridge cable end portion.But the traditional displacement monitoring device in actual use, will be influenced by various vibrations, lead to displacement monitoring device to be unable to accurately monitor cable end portion, and vibration still easily causes damage to the camera of displacement monitoring device, lead to displacement monitoring device to be unable to use normally. UTILITY MODEL CONTENTS

[0003] The utility model discloses a displacement monitoring device of cable -stayed bridge, and aims at solving the technical problem that displacement monitoring device is easily monitored inaccurately and damaged because of vibration.

[0004] To realize above -mentioned purpose, the displacement monitoring device includes:

[0005] Buffer structure, the buffer structure includes base and buffer seat, the base is used to install in the cable -stayed bridge, the buffer seat is liftablely installed in the top of the base, and the buffer cavity is formed between the buffer seat and the base, and the buffer assembly is arranged in the buffer cavity, and the buffer assembly is connected with the base and the buffer seat.

[0006] Monitoring structure, the monitoring structure is installed in the buffer seat, and the monitoring structure includes a camera, and the camera is used for monitoring the displacement of the cable end portion of the cable -stayed bridge.

[0007] In an embodiment, the buffer assembly includes hydraulic damper, and the hydraulic damper is arranged in the buffer cavity, and the upper and lower ends of the hydraulic damper are connected to the buffer seat and the base respectively.

[0008] In an embodiment, the base is further provided with a vibration sensor, an oil pump and a hydraulic oil tank storing hydraulic oil, the hydraulic oil tank is communicated with the hydraulic damper, and the oil pump and the vibration sensor are electrically connected with a controller, and the vibration sensor is used to control the oil pump to pump the oil in the hydraulic oil tank into the hydraulic damper through the controller.

[0009] In an embodiment, the buffer assembly further includes a spring, and the upper and lower ends of the spring are connected to the buffer seat and the base respectively.

[0010] In an embodiment, the buffer assembly comprises a plurality of the springs, the plurality of the springs are arranged at intervals around the hydraulic damper, and upper and lower ends of each of the springs are connected to the buffer seat and the base, respectively.

[0011] In an embodiment, the monitoring structure further comprises a mounting seat, a movable seat and a support assembly, the mounting seat is mounted on the top of the buffer seat, the movable seat is movably mounted on the top of the mounting seat through a spherical hinge, the camera is mounted on the movable seat, one end of the support assembly is connected to the movable seat, and the other end of the support assembly is used for detachably connecting to the cable-stayed bridge.

[0012] In an embodiment, the support assembly comprises a connecting rod and a mounting head, two ends of the connecting rod are a first end and a second end, respectively, the first end is mounted on the movable seat, and the second end is mounted on the mounting head through a universal joint, and the mounting head is used for connecting to the cable-stayed bridge.

[0013] In an embodiment, the camera is mounted on the movable seat through a rotating shaft extending in the vertical direction, a motor is further arranged on the movable seat, a driving shaft of the motor is connected to the rotating shaft, and the motor is used for driving the rotating shaft to rotate around the axis thereof.

[0014] In an embodiment, a plurality of mounting ears are arranged at intervals around the vertical direction on the outer edge of the base, and the mounting ears are used for connecting to the cable-stayed bridge.

[0015] In an embodiment, a protective cover is further arranged on the top of the buffer seat, an accommodation cavity is formed between the protective cover and the buffer seat, the protective cover is provided with a camera opening in communication with the accommodation cavity, the monitoring structure is arranged in the accommodation cavity, and the camera faces the camera opening.

[0016] The technical scheme of the utility model provides a base and a buffer seat, the buffer seat is arranged above the base and can be lifted in the up-down direction, the buffer seat and the base are arranged at intervals in the up-down direction, and a buffer cavity is formed between the buffer seat and the base. A buffer assembly is arranged in the buffer cavity, the bottom end of the buffer assembly is mounted above the base, and the top end of the buffer assembly is used for supporting the buffer seat. The buffer assembly can reduce the vibration acting on the buffer seat when the cable-stayed bridge vibrates, effectively reduces the vibration acting on the camera mounted on the buffer seat, effectively reduces the vibration intensity acting on the camera, so that the camera can more stably monitor the end of the cable, has higher accuracy, and can effectively reduce the possibility of damage caused by vibration to the camera, prolongs the service life of the displacement monitoring device of the cable-stayed bridge provided by the utility model, and has higher durability. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] Figure 1 The structure schematic diagram of the displacement monitoring device for the cable-stayed bridge provided by the present application is shown in the embodiment.

[0019] Figure 2 The section schematic diagram of the displacement monitoring device for the cable-stayed bridge provided by the present application is shown in the embodiment.

[0020] Figure 3 The local structure schematic diagram of the displacement monitoring device for the cable-stayed bridge provided by the present application is shown in the embodiment.

[0021] Figure 4 The another local structure schematic diagram of the displacement monitoring device for the cable-stayed bridge provided by the present application is shown in the embodiment.

[0022] Explanation of the reference numerals:

[0023] 100, displacement monitoring device; 10, buffer structure; 11, base; 111, first edge sealing ring; 12, buffer seat; 121, second edge sealing ring; 13, buffer cavity; 14, buffer assembly; 141, hydraulic damper; 142, vibration sensor; 143, oil pump; 144, hydraulic oil tank; 145, spring; 20, monitoring structure; 21, camera; 22, mounting seat; 23, movable seat; 231, spherical hinge; 24, supporting assembly; 241, connecting rod; 2411, first end; 2412, second end; 242, mounting head; 243, universal joint; 25, motor; 26, controller; 30, mounting lug; 40, protective cover; 41, containing cavity; 42, camera port.

[0024] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] It should be noted that if the embodiments of the utility model have directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, if the certain posture changes, then the directionality indication also changes accordingly.

[0027] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, "and / or" or "and / or" appears in the whole text, which means that the three parallel schemes include "A and / or B", including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] In the use process of the cable-stayed bridge, the displacement monitoring device 100 is usually needed to monitor the displacement of the cable end of the cable-stayed bridge. However, the traditional displacement monitoring device 100 is affected by various vibrations in actual use, so that the displacement monitoring device 100 cannot accurately monitor the cable end, and the vibration is also easy to cause damage to the camera 21 of the displacement monitoring device 100, so that the displacement monitoring device 100 cannot be used normally. The utility model provides a displacement monitoring device 100 of cable-stayed bridge.

[0029] Please refer to Figures 1 to 4 In an embodiment of the utility model, the displacement monitoring device 100 of cable-stayed bridge includes buffer structure 10 and monitoring structure 20, wherein buffer structure 10 includes base 11 and buffer seat 12, base 11 is used to install in cable-stayed bridge, buffer seat 12 is installed in the upper of base 11 and is liftable, buffer cavity 13 is formed between buffer seat 12 and base 11, buffer assembly 14 is arranged in buffer cavity 13, and buffer assembly 14 is connected with base 11 and buffer seat 12, monitoring structure 20 is installed in buffer seat 12, and monitoring structure 20 includes camera 21, and camera 21 is used to monitor the displacement of cable end of cable-stayed bridge.

[0030] The technical scheme of the utility model provides a base 11 and a buffer seat 12, the buffer seat 12 can be arranged above the base 11 and can be lifted in the up-down direction, the buffer seat 12 and the base 11 are arranged in the up-down direction and are spaced apart, and a buffer cavity 13 is formed between the buffer seat 12 and the base 11. A buffer assembly 14 is arranged in the buffer cavity 13, the bottom end of the buffer assembly 14 is arranged above the base 11, and the top end of the buffer assembly 14 is used to support the buffer seat 12. When the cable-stayed bridge vibrates, the vibration acting on the buffer seat 12 can be reduced by the buffer assembly 14, the vibration acting on the camera 21 arranged on the buffer seat 12 can be effectively reduced, the vibration intensity acting on the camera 21 can be effectively reduced, the camera 21 can more stably monitor the end of the cable, the accuracy is higher, and the possibility of damage to the camera 21 caused by vibration can be effectively reduced, the service life of the displacement monitoring device 100 of the cable-stayed bridge provided by the utility model is improved, and the durability is stronger.

[0031] Further, the base 11 is sleeved with a first edge ring 111 extending upwards above the base 11, the buffer seat 12 is sleeved with a second edge ring 121 extending downwards below the buffer seat 12, the second edge ring 121 is sleeved outside the first edge ring 111, the first edge ring 111 and the second edge ring 121 are slidingly matched in the up-down direction, and the base 11, the buffer seat 12, the first edge ring 111 and the second edge ring 121 jointly form a closed buffer cavity 13. The closed buffer cavity 13 can protect the buffer assembly 14 in the buffer cavity 13 and effectively improve the service life of the buffer assembly 14.

[0032] In an embodiment of the utility model, the buffer assembly 14 includes hydraulic dampers 141, and the hydraulic dampers 141 are arranged in the buffer cavity 13 and connected to the buffer seat 12 and the base 11.

[0033] Specifically, as shown in Figure 2 and Figure 4 , the hydraulic dampers 141 are arranged in the buffer cavity 13, the hydraulic dampers 141 connected between the buffer seat 12 and the base 11 can provide damping action for the buffer seat 12, the vibration intensity transmitted by the base 11 to the buffer seat 12 can be effectively reduced, the stability of the buffer seat 12 can be effectively improved, and the camera 21 arranged on the base 11 can be stably placed.

[0034] In an embodiment of the utility model, base 11 still be provided with vibration sensor 142, oil pump 143 and the hydraulic oil tank 144 that stores hydraulic oil, hydraulic oil tank 144 with hydraulic damper 141 communication, and oil pump 143 and vibration sensor 142 all with a controller 26 electricity is connected, vibration sensor 142 is used through the controller 26 control oil pump 143 enters the oil pump 143 in hydraulic oil tank 144 in hydraulic damper 141.

[0035] Further, as Figure 4 Indicated, base 11 still be provided with vibration sensor 142, through vibration sensor 142 can monitor the vibration intensity of the size acting on base 11, controller 26 can according to vibration sensor 142 monitor the vibration intensity of the size control oil pump 143 enters the hydraulic oil in hydraulic oil tank 144 in hydraulic damper 141 with oil pump 143, to realize the adjustment of the damping effect intensity of hydraulic damper 141, to be able to according to different vibration intensity pertinently provide different damping effect for the buffer seat 12 and buffer, the buffer of buffer seat 12 has strong self-adaptability, and the buffering effect is better.

[0036] Need to explain, the interaction between vibration sensor 142 and oil pump 143 and controller 26 all uses prior art.

[0037] In an embodiment of the utility model, buffer assembly 14 still includes spring 145, and the upper and lower ends of spring 145 are connected to buffer seat 12 and base 11 respectively.

[0038] Specifically, as Figure 2 And Figure 4 Indicated, buffer cavity 13 still be provided with spring 145, through spring 145 still can provide buffer effect for buffer seat 12, reduce the vibration intensity from base 11 transmission to buffer seat 12, and the buffering effect is better.

[0039] In an embodiment of the utility model, buffer assembly 14 includes multiple springs 145, and the multiple springs 145 are arranged at intervals around hydraulic damper 141, and the upper and lower ends of each spring 145 are connected to buffer seat 12 and base 11 respectively.

[0040] Further, as Figure 4 Indicated, buffer cavity 13 is provided with multiple springs 145, and the multiple springs 145 are arranged at intervals around hydraulic damper 141, and through the multiple springs 145, multiple-point buffering can be provided for buffer seat 12, so that better buffer effect is provided for buffer seat 12.

[0041] In an embodiment of the utility model, monitoring structure 20 still includes mounting seat 22, movable seat 23 and support assembly 24, mounting seat 22 is installed on the top of buffer seat 12, movable seat 23 is movably installed on the top of mounting seat 22 through a ball hinge 231, camera 21 is installed on movable seat 23, one end of support assembly 24 is connected to movable seat 23, the other end of support assembly 24 is used to be detachably connected to cable-stayed bridge.

[0042] Specifically, as shown in Figure 2 Mounting seat 22 is installed on buffer seat 12, camera 21 is installed on movable seat 23, and movable seat 23 is installed on mounting seat 22 through ball hinge 231, movable seat 23 can be rotated towards multiple directions through ball hinge 231, so that camera 21 installed on movable seat 23 can be rotated towards multiple directions. After installing base 11 on cable-stayed bridge, the direction of camera 21 can be adjusted by rotating movable seat 23, so that camera 21 can monitor the end of cable towards the end of cable, and the adjustment is simple and convenient. Then, movable seat 23 and cable-stayed bridge are connected through support assembly 24, so that movable seat 23 can be limited, and the direction of movable seat 23 and camera 21 on movable seat 23 is fixed, so that camera 21 can continuously monitor the end of cable towards the end of cable.

[0043] In an embodiment of the utility model, support assembly 24 includes connecting rod 241 and mounting head 242, both ends of connecting rod 241 are first end 2411 and second end 2412 respectively, first end 2411 is installed on movable seat 23, second end 2412 is installed on mounting head 242 through universal joint 243, and mounting head 242 is used to be connected to cable-stayed bridge.

[0044] Specifically, as shown in Figure 2 Second end 2412 of connecting rod 241 is connected with universal joint 243, universal joint 243 is connected with mounting head 242, mounting head 242 and connecting rod 241 are connected through universal joint 243, the multidirectional rotation of mounting head 242 can be realized, so that mounting head 242 can be connected to cable-stayed bridge more conveniently, and better convenience is achieved.

[0045] In an embodiment of the utility model, camera 21 is installed on movable seat 23 through a vertical extending rotating shaft, motor 25 is also arranged on movable seat 23, the driving shaft of motor 25 is connected with rotating shaft, and motor 25 is used to drive rotating shaft to rotate around its axial direction.

[0046] Specifically, as shown in Figure 2As shown, the movable shaft is provided with a rotating shaft extending in the up-down direction, the rotating shaft can rotate around its own axis, the camera 21 is installed on the mounting base 22 through the rotating shaft, the rotating shaft is connected with the driving shaft of the motor 25, the motor 25 can drive the rotating shaft to rotate around its own axis, so as to drive the camera 21 to rotate around the axis of the rotating shaft, thereby realizing the adjustment of the monitoring position of the camera 21, and the adjustment is more convenient.

[0047] In an embodiment of the present application, the outer edge of the base 11 is connected with a plurality of mounting ears 30 at vertical intervals, and the mounting ears 30 are used to be connected to the cable-stayed bridge.

[0048] Specifically, as shown in Figure 1 and Figure 4 , the base 11 can be conveniently installed on the cable-stayed bridge through the plurality of mounting ears 30 on the outer edge of the base 11, and the installation is more firm and reliable.

[0049] In an embodiment of the present application, the top of the buffer seat 12 is further provided with a protective cover 40, the protective cover 40 and the buffer seat 12 form a containing cavity 41 therebetween, the protective cover 40 is provided with a camera opening 42 in communication with the containing cavity 41, the monitoring structure 20 is arranged in the containing cavity 41, and the camera 21 faces the camera opening 42.

[0050] Specifically, as shown in Figure 1 and Figure 2 , the protective cover 40 and the buffer seat 12 on the top of the buffer seat 12 form the containing cavity 41 therebetween, and the monitoring structure 20 is arranged in the containing cavity 41, which can provide protection for the monitoring structure 20, thereby effectively reducing the risk of damage of the monitoring structure 20 caused by external damage, having higher reliability and longer service life.

[0051] The above-mentioned is only an exemplary embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields within the technical concept of the present application is included in the patent protection range of the present application.

Claims

1. A displacement monitoring device for a cable-stayed bridge, characterized by, The displacement monitoring device comprises: a buffer structure, which comprises a base and a buffer seat, the base is used for being mounted on the cable-stayed bridge, the buffer seat is mounted above the base in a lifting manner, a buffer cavity is enclosed between the buffer seat and the base, a buffer assembly is arranged in the buffer cavity, and the buffer assembly is connected with the base and the buffer seat; a monitoring structure, which is mounted on the buffer seat and comprises a camera, the camera is used for monitoring the displacement of the cable end of the cable-stayed bridge.

2. The displacement monitoring device for a cable-stayed bridge according to claim 1, wherein The buffer assembly comprises hydraulic dampers, the hydraulic dampers are arranged in the buffer cavity, and upper and lower ends of the hydraulic dampers are connected with the buffer seat and the base respectively.

3. The displacement monitoring device for a cable-stayed bridge according to claim 2, wherein The base is further provided with a vibration sensor, an oil pump and a hydraulic oil tank storing hydraulic oil, the hydraulic oil tank is in communication with the hydraulic dampers, the oil pump and the vibration sensor are electrically connected with a controller, the vibration sensor is used for controlling the oil pump to pump the hydraulic oil in the hydraulic oil tank into the hydraulic dampers through the controller.

4. The displacement monitoring device for a cable-stayed bridge according to claim 2, wherein The buffer assembly further comprises springs, upper and lower ends of the springs are connected with the buffer seat and the base respectively.

5. The displacement monitoring device for a cable-stayed bridge according to claim 4, wherein The buffer assembly comprises a plurality of springs, the plurality of springs are arranged around the hydraulic dampers at intervals, and upper and lower ends of each spring are connected with the buffer seat and the base respectively.

6. The displacement monitoring device of the cable-stayed bridge according to claim 1, wherein The monitoring structure further comprises a mounting seat, a movable seat and a support assembly, the mounting seat is mounted on the top of the buffer seat, the movable seat is movably mounted on the top of the mounting seat through a spherical hinge, the camera is mounted on the movable seat, one end of the support assembly is connected with the movable seat, and the other end of the support assembly is used for being detachably connected with the cable-stayed bridge.

7. The displacement monitoring device of the cable-stayed bridge according to claim 6, wherein The support assembly comprises a connecting rod and a mounting head, two ends of the connecting rod are a first end and a second end respectively, the first end is mounted on the movable seat, the second end is mounted on the mounting head through a universal joint, and the mounting head is used for being connected with the cable-stayed bridge.

8. The displacement monitoring device of the cable-stayed bridge according to claim 6, wherein The camera is mounted on the movable seat through a vertical rotating shaft, a motor is further arranged on the movable seat, a driving shaft of the motor is connected with the rotating shaft, and the motor is used for driving the rotating shaft to rotate around the axial direction.

9. The displacement monitoring device of a cable-stayed bridge according to any one of claims 1 to 8, characterized in that, Outer edges of the base are connected with a plurality of mounting ears at intervals in the vertical direction, and the mounting ears are used for being connected with the cable-stayed bridge.

10. The displacement monitoring device of a cable-stayed bridge according to any one of claims 1 to 8, characterized in that, A protective cover is further arranged on the top of the buffer seat, a containing cavity is enclosed between the protective cover and the buffer seat, the protective cover is provided with a camera opening in communication with the containing cavity, the monitoring structure is arranged in the containing cavity, and the camera faces the camera opening.

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