CN215812855U

CN215812855U - Wind speed and wind direction monitoring devices suitable for bridge health monitoring

Info

Publication number: CN215812855U
Application number: CN202122037284.XU
Authority: CN
Inventors: 项高标
Original assignee: Anhui Zhongyuan Engineering Technology Co ltd
Current assignee: Anhui Zhongyuan Engineering Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-11
Anticipated expiration: 2031-08-27

Abstract

The application relates to a wind speed and wind direction monitoring device suitable for bridge health monitoring, which comprises a supporting rod, wherein a wind cup is rotatably arranged at the top end of the supporting rod, and the outside of the supporting rod is provided with a wind speed and direction inductor and a vane from top to bottom in sequence under the wind cup, the bottom end of the supporting rod is fixedly provided with a supporting seat, three through holes which are distributed at equal intervals are arranged inside the supporting seat, and the insides of the three through holes are movably penetrated with a damping rod, the top end of the damping rod is connected with a bolt by screw thread, and the bottom end of the shock absorption rod is fixedly provided with a base, the upper surface of the base is sleeved with a shock absorption spring outside the shock absorption rod, and the lower surface of the base is fixedly provided with a shock pad, a shock absorption spring outside the shock absorption rod can effectively reduce the influence of the base shock on the support, therefore, the influence of vibration on the wind cup and the wind vane monitoring work outside the supporting rod is reduced, and the accuracy of the monitoring data of the wind cup and the wind vane is improved.

Description

Wind speed and wind direction monitoring devices suitable for bridge health monitoring

Technical Field

The application relates to the technical field of bridge monitoring, in particular to a wind speed and wind direction monitoring device suitable for bridge health monitoring.

Background

As a component of the traffic system, bridges play an important role in the development and evolution of human civilization. With the development of modern science and technology and the continuous increase of transportation demand, large bridges (such as sea-crossing bridges, large-span bridges and the like) are more and more appeared in the visual field of people, the manufacturing cost of the bridges is hundreds of millions or even billions of yuan, and the bridges have important strategic significance in the aspects of transportation, military affairs, social life and the like. However, in the process of bridge construction and use, due to the erosion of environment and harmful substances, the influence of vehicle, wind, earthquake, fatigue, human factors and the like, and the continuous degradation of the performance of the material, various parts of the structure are damaged and deteriorated to different degrees before the design life is reached, so that the bridge health needs to be detected, and the monitoring of the wind speed and the wind direction of the bridge is a common item in bridge health monitoring.

However, most of the existing wind anemometers are directly mounted on a bridge, and the wind anemometers are lack of damping structures, so that the vibration generated when a vehicle passes through the bridge can also influence the monitoring data of the wind anemometers. Therefore, those skilled in the art provide a wind speed and direction monitoring device suitable for bridge health monitoring to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems provided in the background art, the application provides a wind speed and wind direction monitoring device suitable for bridge health monitoring.

The application provides a wind speed and wind direction monitoring devices suitable for bridge health monitoring adopts following technical scheme:

the utility model provides a wind speed and wind direction monitoring devices suitable for bridge health monitoring, includes branch, the top of branch is rotated and is installed the wind cup, and the outside of branch is under the wind cup from last to installing wind speed wind direction inductor and vane down in proper order, the bottom fixed mounting of branch has the support, the through-hole that three equidistance distributes is seted up to the inside of support, and the inside equal activity of three through-hole wears to be equipped with the shock attenuation pole, the top threaded connection of shock attenuation pole has the bolt, and the bottom fixed mounting of shock attenuation pole has the base, the upper surface of base is equipped with damping spring at the outside cover of shock attenuation pole, and the lower fixed surface of base installs the shock pad.

Through adopting above-mentioned technical scheme, when the base vibrations, the three shock attenuation pole of base upper surface slides in the inside three through-hole that corresponds of support to utilize the bolt to come the vertically sliding's of spacing support range, and the outside damping spring of shock attenuation pole can effectively reduce the influence of base vibrations to the support, thereby reduce vibrations to the outside goblet of branch and the influence of wind vane monitoring work, improve the accuracy of goblet and wind vane monitoring data.

Preferably, the center of the lower surface of the support is fixedly provided with a correction ring, the center of the upper surface of the base is fixedly provided with an anchor rod, the outside of the anchor rod is fixedly provided with a correction pipe, and the correction pipe is connected with the correction ring in a sliding manner.

By adopting the technical scheme, the support seat slides outside the correction pipe on the base through the correction ring, so that the relative level between the support seat and the base is ensured.

Preferably, the inner ring wall of the straightening ring is provided with three key grooves, the outer wall of the straightening pipe is fixedly provided with three key strips, and the key strips are in limit sliding connection with the key grooves.

By adopting the technical scheme, the key groove and the key strip are additionally arranged between the correction ring and the correction pipe, and the key strip is in limited sliding connection with the key groove, so that the connection between the correction ring and the correction pipe is more stable.

Preferably, a return spring is arranged in the straightening ring, one end of the return spring is fixedly mounted on the lower surface of the support, and the other end of the return spring abuts against the end surface of the straightening pipe.

By adopting the technical scheme, the reset spring is additionally arranged in the correction ring, so that the correction ring and the correction pipe can be reset in a sliding manner.

Preferably, a striking plate is fixedly mounted on the outer portion of the supporting rod below the vane, and a reflective strip is bonded to the surface of the striking plate.

Through adopting above-mentioned technical scheme, install striking tablet additional in the outside of branch, can make the mounted position of branch utilize reflection of light strip more striking, the follow-up maintenance work of being convenient for.

To sum up, the application comprises the following beneficial technical effects:

when the base shakes, the three shock attenuation poles of base upper surface slide in the inside three through-hole that corresponds of support to utilize the bolt to come the vertically sliding range of spacing support, and the outside damping spring of shock attenuation pole can effectively reduce the influence of base vibrations to the support, thereby reduce vibrations to the outside goblet of branch and the influence of wind vane monitoring work, improve the accuracy of goblet and wind vane monitoring data.

Drawings

FIG. 1 is a schematic structural diagram of a wind speed and direction monitoring device suitable for bridge health monitoring according to an embodiment of the present disclosure;

fig. 2 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a wind cup; 2. a wind speed and direction sensor; 3. a weather vane; 4. a striking plate; 5. a bolt; 6. a strut; 7. a shock-absorbing lever; 8. a base; 9. a damping spring; 10. a support; 11. a shock pad; 12. a keyway; 13. a return spring; 14. a correction ring; 15. a key bar; 16. an anchor rod; 17. and (4) straightening the tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses wind speed and wind direction monitoring devices suitable for bridge health monitoring. Referring to fig. 1-2, a wind speed and direction monitoring device suitable for bridge health monitoring comprises a supporting rod 6, a wind cup 1 is rotatably mounted at the top end of the supporting rod 6, a wind speed and direction sensor 2 and a wind indicator 3 are sequentially mounted on the outer portion of the supporting rod 6 from top to bottom under the wind cup 1, a wind speed sensor adopts a traditional two-cup rotating frame structure, the wind speed is changed into the rotating speed of the rotating frame, in order to reduce the starting wind speed, the light wind cup 1 and a jewel bearing are adopted for supporting, a signal is transmitted into a main machine for measurement after being detected by the wind speed and direction sensor 2 through a device fixed on the supporting rod 6, the wind direction monitoring only needs to directly observe the direction of the wind indicator 3, namely the incoming wind direction, a striking plate 4 is fixedly mounted on the outer portion of the supporting rod 6 under the wind indicator 3, a reflective strip is bonded on the surface of the striking plate 4, the striking plate 4 is additionally mounted on the outer portion of the supporting rod 6, the mounting position of the supporting rod 6 can be more striking by utilizing the reflective strips, the subsequent maintenance work is convenient, the bottom end of the supporting rod 6 is fixedly provided with a support 10, the inside of the support 10 is provided with three through holes which are distributed at equal intervals, the inside of the three through holes is movably penetrated with a shock absorption rod 7, the top end of the shock absorption rod 7 is in threaded connection with a bolt 5, the bottom end of the shock absorption rod 7 is fixedly provided with a base 8, the upper surface of the base 8 is sleeved with a shock absorption spring 9 outside the shock absorption rod 7, the lower surface of the base 8 is fixedly provided with a shock absorption pad 11, the shock absorption pad 11 is made of soft rubber materials, when the base 8 vibrates, the three shock absorption rods 7 on the upper surface of the base 8 slide in the corresponding three through holes inside the support 10, the bolt 5 is utilized to limit the amplitude of the vertical sliding of the support 10, and the shock absorption spring 9 outside the shock absorption rod 7 can effectively reduce the influence of the vibration of the base 8 on the support 10, thereby reducing the influence of the vibration on the monitoring work of the wind cup 1 and the wind vane 3 outside the supporting rod 6, the accuracy of monitoring data of the wind cup 1 and the wind vane 3 is improved, a correction ring 14 is fixedly arranged at the central position of the lower surface of a support 10, an anchor rod 16 is fixedly arranged at the central position of the upper surface of a base 8, a correction pipe 17 is fixedly arranged outside the anchor rod 16, the correction pipe 17 is in sliding connection with the correction ring 14, the support 10 slides outside the correction pipe 17 on the base 8 through a correction ring 45, so that the support 10 and the base 8 are ensured to be relatively horizontal, three key grooves 12 are formed in the inner ring wall of the correction ring 14, three key strips 15 are fixedly arranged on the outer wall of the correction pipe 17, the key strips 15 are in limited sliding connection with the key grooves 12, the key grooves 12 and the key strips 15 are additionally arranged between the correction ring 14 and the correction pipe 17, the key strips 15 are in limited sliding connection with the key grooves 12, so that the connection between the correction ring 14 and the correction pipe 17 is more stable, and a reset spring 13 is arranged inside the correction ring 14, one end of the return spring 13 is fixedly arranged on the lower surface of the support 10, the other end of the return spring 13 abuts against the end surface of the correction pipe 17, and the return spring 13 is additionally arranged inside the correction ring 14, so that the sliding reset between the correction ring 14 and the correction pipe 17 is facilitated.

The implementation principle of the wind speed and wind direction monitoring device suitable for bridge health monitoring in the embodiment of the application is as follows: when the base 8 vibrates, the three shock-absorbing rods 7 on the upper surface of the base 8 slide in the corresponding three through holes in the support 10, meanwhile, the support 10 slides outside the correction pipe 17 on the base 8 through the correction ring 45, so that the relative level between the support 10 and the base 8 is ensured, the key groove 12 and the key strip 15 are additionally arranged between the correction ring 14 and the correction pipe 17, the key strip 15 is in limited sliding connection with the key groove 12, the connection between the correction ring 14 and the correction pipe 17 is more stable, the vertical sliding amplitude of the support 10 is limited by the bolt 5, and the shock-absorbing springs 9 outside the shock-absorbing rods 7 can effectively reduce the influence of the vibration of the base 8 on the support 10, so that the influence of the vibration on the monitoring work of the wind cups 1 and the wind vanes 3 outside the supporting rod 6 is reduced, and the accuracy of the monitoring data of the wind cups 1 and the wind vanes 3 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wind speed and wind direction monitoring devices suitable for bridge health monitoring, includes branch (6), the top of branch (6) is rotated and is installed wind cup (1), and the outside of branch (6) is from last to installing wind speed wind direction inductor (2) and wind vane (3) down in proper order under wind cup (1), its characterized in that: the utility model discloses a damping device, including support (6), the bottom fixed mounting of branch (6) has support (10), the through-hole that three equidistance distributed is seted up to the inside of support (10), and the equal activity of inside of three through-hole wears to be equipped with shock attenuation pole (7), the top threaded connection of shock attenuation pole (7) has bolt (5), and the bottom fixed mounting of shock attenuation pole (7) has base (8), the upper surface of base (8) is equipped with damping spring (9) at the outside cover of shock attenuation pole (7), and the lower fixed surface of base (8) installs shock pad (11).

2. The wind speed and direction monitoring device suitable for bridge health monitoring of claim 1, wherein: the lower surface central point of support (10) puts fixed mounting to rectify ring (14), the upper surface central point of base (8) puts fixed mounting to have stock (16), the outside fixed mounting of stock (16) has correction pipe (17), sliding connection between correction pipe (17) and the ring (14) of rectifying.

3. The wind speed and direction monitoring device suitable for bridge health monitoring of claim 2, wherein: three key grooves (12) are formed in the inner annular wall of the straightening ring (14), three key strips (15) are fixedly mounted on the outer wall of the straightening pipe (17), and the key strips (15) are in limited sliding connection with the key grooves (12).

4. The wind speed and direction monitoring device suitable for bridge health monitoring of claim 2, wherein: and a return spring (13) is arranged in the straightening ring (14), one end of the return spring (13) is fixedly arranged on the lower surface of the support (10), and the other end of the return spring (13) abuts against the end surface of the straightening pipe (17).

5. The wind speed and direction monitoring device suitable for bridge health monitoring of claim 1, wherein: the outside of branch (6) is at the below fixed mounting of weathercock (3) and is had eye-catching tablet (4), the surface bonding of eye-catching tablet (4) has reflection of light strip.