CN218767282U

CN218767282U - Bridge structure monitoring devices

Info

Publication number: CN218767282U
Application number: CN202220981984.6U
Authority: CN
Inventors: 谢智潮; 邵荣伟
Original assignee: Fujian Luxin Traffic Construction Supervision Co ltd
Current assignee: Fujian Luxin Traffic Construction Supervision Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2023-03-28
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a bridge monitoring technology field, and a bridge structures monitoring devices is disclosed, draw together tripod, rotatory cloud platform, U type frame, backup pad, radar, cylinder, connection pad, compare with prior art, the utility model discloses a setting is by supporting baseplate, flexible group, the base that roof support, round platform, stand, steel ball, balanced counterweight constitute for monitoring devices is whole to be the vertical state, can prevent that monitoring devices from placing the problem emergence shakiness and empty on ground because of ground slope, through setting up arc and arc frame, can realize supporting the backup pad, and then supports the radar, avoids taking place to rock, guarantees that the radar angular position after adjusting is unchangeable.

Description

Bridge structure monitoring devices

Technical Field

The utility model relates to a bridge monitoring technology field specifically is a bridge structures monitoring devices.

Background

As a component of a traffic system, a bridge plays an important role in the development and evolution of human civilization, and sends out an early warning signal for the bridge under special climate and traffic conditions or when the operation condition of the bridge is abnormal and serious, so that a basis and guidance are provided for maintenance, repair and management decisions of the bridge, the condition of the bridge structure needs to be monitored, and along with the development of technologies such as sensing technology, signal acquisition and processing and the like, a bridge structure modal parameter identification method has been generally regarded as important in the field of bridge structure health monitoring.

The traditional contact type monitoring needs to consume a large amount of manpower and material resources to arrange a sensor inside a building or attach the sensor to the outer surface of the building in advance, after the measurement is completed, the sensor needs to be dismantled in order to save engineering cost and spend a large amount of time, the existing non-contact bridge structure monitoring device adopts the most advanced image quality evaluation algorithm, the image quality enhancement algorithm and the camera rapid self-calibration technology, no marker is required to be attached to the site, the real-time measurement of data such as multipoint rapid, high-precision dynamic and static deflection, displacement, vibration and the like of facilities such as a bridge, a high tower, a hoisting machine and the like can be realized only by one radar host, the device places the radar host on a tripod for monitoring, when the ground where the tripod is placed is not a horizontal plane and has a certain inclination or an inclined plane which is difficult to see by naked eyes, the whole monitoring device can also incline, the placement is unstable, and the monitoring device is easy to topple over on the ground and is damaged due to wind force.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a bridge structures monitoring devices possesses monitoring devices and can keep vertical state by the influence on slope ground, and monitoring devices places advantages such as firm, and the place ground of having solved the tripod and placing is not the horizontal plane, when having certain gradient or the difficult inclined plane of seeing out of naked eye, can lead to monitoring devices whole also to follow the slope, can lead to placing the shakiness and easily receive the wind influence to empty impaired problem on ground.

(II) technical scheme

In order to realize the function purpose, the utility model provides a following technical scheme:

the utility model provides a bridge structures monitoring devices, includes tripod support, rotatory cloud platform, U type frame, backup pad, radar, cylinder, connection pad, the connection pad is installed at the top of tripod support, be fixed with rotatory cloud platform on the connection pad, the top center of rotatory cloud platform is connected with the cylinder perpendicularly, the cylinder top is equipped with U type frame, pivot and cylinder swing joint are passed through to the both sides of U type frame, the top surface of U type frame is fixed with the backup pad, install the radar in the backup pad, the setting of rotatory cloud platform can indirectly drive the radar and rotate for the radar has the function of degree rotation, through the rotation of motor control U type frame, makes U type frame rotate as the axle with the pivot, can drive the radar through the backup pad and carry out the angle modulation of angle of elevation or angle of depression, can satisfy more demands.

The method comprises the steps of monitoring the bridge structure in a non-contact dynamic mode through a radar deformation signal acquisition technology and a signal processing technology, denoising ground radar deformation signals through establishing a complementary integrated variational modal decomposition (CEVMD) method for adaptive decomposition of the deformation signals, reducing interference of noise to the radar deformation signals, dynamically detecting bridge deflection through radar, realizing identification of bridge operation modal parameters, and identifying bridge structure modal parameters through the radar deformation signals.

In an implementable technical scheme, still including the base that is used for placing the tripod, the base comprises supporting baseplate, flexible group, supporting roof, round platform, stand, steel ball, balanced balancing weight a, the top surface center of supporting baseplate passes through the stand and is connected with the steel ball, the steel ball is installed the bottom in the round platform, the bottom surface center at supporting the roof is fixed to the round platform, four position of the outer wall of round platform all are connected with supporting baseplate through flexible group, detachable balanced balancing weight is all installed at the top both ends of supporting roof, and balanced balancing weight makes the gravity at supporting roof both ends the same, is convenient for the supporting roof to keep the horizontality, the top surface of supporting roof and the bottom surface of supporting baseplate all are equipped with the rubber skid resistant course, can increase the friction with ground, prevent to slide the bottom surface of supporting roof and all be equipped with the rubber skid resistant course

The inner bottom of the circular truncated cone is provided with a large circular notch, and four equal directions of the circular truncated cone are provided with small circular notches.

The telescopic group comprises an upper steel ball, a telescopic rod and a lower steel ball, one end of the telescopic rod is connected with the upper steel ball, the other end of the telescopic rod is connected with the lower steel ball, the upper steel ball is arranged in a small circular notch groove in clearance fit with the upper steel ball, the steel ball is arranged in a large circular notch groove, and the upper steel ball and the large circular notch groove are in clearance fit.

In an implementable technical scheme, an arc-shaped channel is formed in the cylinder, an arc-shaped frame is arranged inside the arc-shaped channel, an arc-shaped plate penetrates through the arc-shaped frame, thread grooves are formed in two ends of the arc-shaped frame, butterfly bolts are matched with the thread grooves and are in contact with the arc-shaped plate through the butterfly bolts screwed in the thread grooves, so that the arc-shaped plate can be fixed, the arc-shaped frame penetrates through the arc-shaped channel and is fixedly connected with the arc-shaped frame, the arc-shaped frame is semi-annular, the circle center of the semi-annular is concentric with a rotating shaft of the U-shaped frame, two ends of the arc-shaped plate are fixedly connected with the supporting plate, and the arc-shaped plate can move in the arc-shaped frame through the butterfly bolts which are not loosened.

(III) advantageous effects

Compared with the prior art, the utility model provides a bridge structures monitoring devices possesses following beneficial effect:

1. the utility model provides a bridge structures monitoring devices, through setting up by supporting baseplate, flexible group, the roof support, the round platform, the stand, the steel ball, the base that balanced counter weight block constitutes, earlier loosen four telescopic links soon, place the base subaerial again, the supporting baseplate laminating is subaerial, and the roof support receives the gravity of two balanced counter weight blocks, under the cooperation of round platform and steel ball, make the steel ball be equivalent to the center of roof support, wholly be similar to the balance beam, the both ends of balance beam are placed the same weight then the balance beam can be in a horizontal plane, use this principle application of balance beam on the roof support with this to keep the roof support in a horizontal plane, make monitoring devices whole be the vertical state, can prevent that monitoring devices from placing the problem emergence of shakiness and empting on ground because of the ground slope.

2. The utility model provides a bridge structures monitoring devices, it is rotatory to drive U type frame through the motor, U type frame drives the radar through the backup pad and uses the pivot to carry out the angular rotation as the axle, also can drive the arc simultaneously and rotate along with the pivot under the guide effect of arc frame, after the angle modulation, through the butterfly bolt of screwing, fix the arc plate with this, prevent that the arc is rotatory, thereby can realize the support of arc to the backup pad, and then support the radar, avoid taking place to rock, guarantee that the radar angular position after adjusting is unchangeable.

Drawings

Fig. 1 is a schematic structural view of a bridge structure monitoring device according to the present invention;

fig. 2 is a schematic structural view of the monitoring device of the present invention in cooperation with a base;

FIG. 3 is a schematic view of the base of the present invention;

FIG. 4 is a schematic cross-sectional view of the base of the present invention;

FIG. 5 is a schematic view of the round table of the present invention;

fig. 6 is a schematic view of a first structure of the supporting plate of the present invention cooperating with a cylinder and a radar;

fig. 7 is a schematic view of a second structure of the supporting plate of the present invention cooperating with the cylinder and the radar;

fig. 8 is a three-dimensional structure diagram of the combination of the arc plate and the arc frame of the present invention.

Wherein: the device comprises a base-1, a tripod bracket-2, a rotating holder-3, a U-shaped frame-4, a supporting plate-5, a radar-6, a cylinder-7, a connecting disc-8, a supporting bottom plate-101, a telescopic group-102, a supporting top plate-103, a circular truncated cone-104, an upright post-105, a steel ball-106, a balancing weight-a, an upper steel ball-021, a telescopic rod-022, a lower steel ball-023, an arc-shaped frame-701, an arc-shaped channel-702, a butterfly bolt-703 and an arc-shaped plate-704.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1-5, the utility model provides a bridge structure monitoring device's technical scheme: including tripod 2, rotatory cloud platform 3, U type frame 4, backup pad 5, radar 6, cylinder 7, connection pad 8 is installed at the top of tripod 2, be fixed with rotatory cloud platform 3 on connection pad 8, the top center of rotatory cloud platform 3 is connected with cylinder 7 perpendicularly, cylinder 7 top is equipped with U type frame 4, the both sides of U type frame 4 are through pivot and cylinder 7 swing joint, the top surface of U type frame 4 is fixed with backup pad 5, install radar 6 on the backup pad 5, the setting up of rotatory cloud platform 3 can indirectly drive radar 6 and rotate, make radar 6 have 360 degrees rotatory functions, through the rotation of motor control U type frame 4, make U type frame 4 use the pivot to rotate as the axle, can drive radar 6 through backup pad 5 and carry out the angle modulation of angle of elevation or angle of depression, can satisfy more demands.

Still including being used for placing tripod 2's base 1, base 1 is by supporting baseplate 101, flexible group 102, roof support 103, round platform 104, stand 105, steel ball 106, balancing weight a constitutes, the top surface center of supporting baseplate 101 is passed through stand 105 and is connected with steel ball 106, steel ball 106 is installed the bottom in round platform 104, the bottom surface center at roof support 103 is fixed to round platform 104, four azimuths of outer wall of round platform 104 are all connected with roof support 101 through flexible group 102, detachable balancing weight a is all installed at roof support 103's top both ends, balancing weight a makes the gravity at roof support 103 both ends the same, be convenient for roof support 103 keeps the horizontality.

Wherein, the inner bottom of the circular platform 104 is provided with a large circular slot 041, and four equal directions of the circular platform 104 are provided with small circular slots 042.

The telescopic assembly 102 is composed of an upper steel ball 021, a telescopic rod 022 and a lower steel ball 023, wherein one end of the telescopic rod 022 is connected with the upper steel ball 021, and the other end is connected with the lower steel ball 023.

Wherein, the upper steel ball 021 is arranged in the small round slot 042 which is in clearance fit with the upper steel ball 021, the steel ball 106 is arranged in the large round slot 041, and the upper steel ball 021 and the large round slot 041 are in clearance fit with each other.

Wherein, the top surface of the supporting top plate 103 and the bottom surface of the supporting bottom plate 101 are both provided with a rubber anti-slip layer, which can increase the friction with the ground and prevent sliding.

The working principle is that the four telescopic rods 022 are unscrewed, the base 1 is placed on the ground, the supporting bottom plate 101 is attached to the ground, the supporting top plate 103 is subjected to the gravity of two balancing weights a, the circular truncated cone 104 is matched with the steel ball 106, so that the steel ball 106 is equivalent to the center of the supporting top plate 103, the whole body is similar to a scale beam, the two ends of the scale beam are placed with the same weight, the scale beam is positioned on a horizontal plane, and the principle of the scale beam is applied to the supporting top plate 103 to ensure that the whole monitoring device is vertical and stable in placement;

because telescopic link 022 one end is through last steel ball 021 and round platform 104 swing joint, the other end is through steel ball 023 and supporting baseplate 101 swing joint down, so supporting baseplate 103 is before becoming the level, it can drive the interior pole rotation of telescopic link 022 to go up steel ball 021, and steel ball 023 drives the urceolus rotation of telescopic link 022 down, make interior pole and urceolus cooperate all the time and telescopic link 022 is flexible by oneself, after balancing weight a does not move, lock the telescopic link, support round platform 104 with this, prevent that telescopic link 022 is flexible, prevent that supporting baseplate 103 from taking place to rotate, place recess monitoring device on being in horizontally supporting baseplate 103 again.

The utility model provides a problem be when the place ground that the tripod was placed is not the horizontal plane, when having certain gradient or the difficult inclined plane of seeing out of naked eye, can lead to whole and then the slope of monitoring devices, can lead to placing the unstability and toppling over impaired on the ground easily by wind-force influence, the utility model discloses a setting is by the base that supporting baseplate, flexible group, supporting roof, round platform, stand, steel ball, balanced counterweight block constitute, utilizes the balance beam principle to make the supporting roof be in a horizontal plane and guarantees that monitoring devices is whole to be the vertically, places firmly.

Example two

As shown in fig. 1-8, the utility model provides a bridge structures monitoring devices's technical scheme: the three-leg support comprises a three-leg support 2, a rotating holder 3, a U-shaped frame 4, a supporting plate 5, a radar 6, a cylinder 7 and a connecting plate 8, wherein the connecting plate 8 is installed at the top of the three-leg support 2, the rotating holder 3 is fixed on the connecting plate 8, the cylinder 7 is vertically connected to the center of the upper side of the rotating holder 3, the U-shaped frame 4 is arranged at the top of the cylinder 7, two sides of the U-shaped frame 4 are movably connected with the cylinder 7 through a rotating shaft, the supporting plate 5 is fixed on the top surface of the U-shaped frame 4, the radar 6 is installed on the supporting plate 5, the radar 6 can be indirectly driven to rotate by the rotating holder 3, the radar 6 has a 360-degree rotating function, the U-shaped frame 4 is controlled to rotate by a motor, the rotating shaft serves as an axis for rotating the U-shaped frame 4, the radar 6 can be driven to conduct angle adjustment of elevation angle or depression angle through the supporting plate 5, and more requirements can be met.

Specifically, the cylinder 7 is provided with an arc-shaped channel 702, an arc-shaped frame 701 is arranged inside the arc-shaped channel 702, an arc-shaped plate 704 penetrates through the arc-shaped frame 701, thread grooves 703 are formed in two ends of the arc-shaped frame 701, butterfly bolts 703 are matched with the thread grooves 703, the butterfly bolts 703 are screwed into the thread grooves 703 to be in contact with the arc-shaped plate 704, so that the arc-shaped plate 704 can be fixed, the arc-shaped frame 701 penetrates through the arc-shaped channel 702 and is fixedly connected with the arc-shaped channel 702, the arc-shaped frame 701 is semi-annular, the circle center of the semi-annular is concentric with a rotating shaft of the U-shaped frame 4, and two tail ends of the arc-shaped plate 704 are fixedly connected with the supporting plate 5.

According to the working principle, the arc-shaped plate 704 can move in the arc-shaped frame 701 through loosening the butterfly bolts, the U-shaped frame 4 is driven to rotate through the motor, the U-shaped frame 4 drives the radar 6 to rotate in an angle mode by taking the rotating shaft as an axis through the supporting plate 5, meanwhile, the arc-shaped plate 704 can be driven to rotate along with the rotating shaft under the guiding effect of the arc-shaped frame 701, after the angle is adjusted, the arc-shaped plate 704 is fixed through screwing the butterfly bolts 703, the arc-shaped plate 704 is prevented from rotating, accordingly, the arc-shaped plate 704 can support the supporting plate 5, the radar 6 is further supported, shaking is avoided, and the angle position of the adjusted radar is guaranteed to be unchanged.

The utility model provides a problem because the radar carries out the angle modulation back, because the radar has certain gravity, and the direction of gravity is perpendicular downwards all the time, so long-time easy leading to runing rest to take place not hard up down, the utility model discloses a set up the arc passageway on the cylinder, through set up arc and arc frame in the arc passageway, can further play the supporting role to the radar, can share the gravity of radar, prevent to take place not hard up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bridge structures monitoring devices, includes tripod support (2), its characterized in that: a connecting disc (8) is installed at the top of the tripod (2), a rotating tripod head (3) is fixed on the connecting disc (8), a cylinder (7) is vertically connected to the center above the rotating tripod head (3), a U-shaped frame (4) is arranged at the top of the cylinder (7), the radar fixing device comprises a U-shaped frame (4), a column (7), a supporting plate (5) and a base (1), wherein two sides of the U-shaped frame (4) are movably connected with the column (7) through a rotating shaft, the top surface of the U-shaped frame (4) is fixed with the supporting plate (5), the supporting plate (5) is provided with a radar (6), and the radar fixing device further comprises a tripod bracket (2);

the base (1) comprises a supporting bottom plate (101), a telescopic group (102), a supporting top plate (103), a circular truncated cone (104), an upright post (105), a steel ball (106) and a balancing weight block (a), the top surface center of the supporting bottom plate (101) is connected with the steel ball (106) through the upright post (105), the steel ball (106) is installed at the bottom in the circular truncated cone (104), the circular truncated cone (104) is fixed at the bottom center of the supporting top plate (103), four positions of the outer wall of the circular truncated cone (104) are connected with the supporting bottom plate (101) through the telescopic group (102), and the two ends of the top of the supporting top plate (103) are respectively provided with the detachable balancing weight block (a);

arc passageway (702) have been seted up in cylinder (7), arc frame (701) are equipped with in arc passageway (702), arc frame (701) run through arc (704), the both ends of arc frame (701) all are equipped with the thread groove, the thread groove cooperation has butterfly bolt (703), contacts with arc (704) through butterfly bolt (703) screw in thread groove to can realize fixing arc (704).

2. A bridge structure monitoring device according to claim 1, wherein: the inner bottom of the circular truncated cone (104) is provided with a large circular slot (041), and four equal directions of the circular truncated cone (104) are provided with small circular slots (042).

3. A bridge structure monitoring device according to claim 1, wherein: the telescopic group (102) is composed of an upper steel bead (021), a telescopic rod (022) and a lower steel bead (023), one end of the telescopic rod (022) is connected with the upper steel bead (021), and the other end of the telescopic rod is connected with the lower steel bead (023).

4. A bridge structure monitoring apparatus according to claim 3, wherein: the upper steel ball (021) is arranged in a small circular notch (042) in clearance fit with the upper steel ball, the steel ball (106) is arranged in a large circular notch (041), and the upper steel ball and the steel ball are in clearance fit.

5. A bridge structure monitoring device according to claim 1, wherein: the top surface of the supporting top plate (103) and the bottom surface of the supporting bottom plate (101) are both provided with rubber anti-slip layers.

6. A bridge structure monitoring device according to claim 1, wherein: the arc-shaped frame (701) penetrates through the arc-shaped channel (702) and is fixedly connected with the arc-shaped channel, the arc-shaped frame (701) is in a semi-annular shape, and the circle center of the semi-annular shape is concentric with the rotating shaft of the U-shaped frame (4).

7. A bridge structure monitoring device according to claim 1, wherein: two ends of the arc-shaped plate (704) are fixedly connected with the supporting plate (5).