CN113984012B - Bridge pier appearance detection device and bridge pier detection method - Google Patents
Bridge pier appearance detection device and bridge pier detection method Download PDFInfo
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- CN113984012B CN113984012B CN202111266422.XA CN202111266422A CN113984012B CN 113984012 B CN113984012 B CN 113984012B CN 202111266422 A CN202111266422 A CN 202111266422A CN 113984012 B CN113984012 B CN 113984012B
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- movable ring
- bridge pier
- main body
- pier
- sliding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application provides a bridge pier appearance detection device and a bridge pier detection method, wherein a movable ring moves up and down, a first piezoelectric sensor in an untilted state is recorded to receive a reaction force F1, a reaction force F2 in an inclined state is recorded, an offset value delta X is calculated according to a formula F=kx, and an inclination curve is drawn, so that the inclination degree of a bridge pier can be accurately obtained.
Description
Technical Field
The application relates to the technical field of building engineering detection, in particular to a bridge pier appearance detection device and a bridge pier detection method.
Background
The perpendicularity and the appearance damage condition of the bridge pier can severely restrict the service capacity of the bridge pier, and have important influence on bridge safety. In the prior art, the perpendicularity and the appearance of the bridge pier are detected by workers, so that the bridge pier is matched by a plurality of workers, time and labor are consumed, the detection is inconvenient, the detection error of the workers is large, the detection precision is low, and particularly, the underwater detection is more inconvenient.
Disclosure of Invention
The present application is directed to solving the above-described problems. An object of the present application is to provide a pier appearance detecting apparatus and a pier detecting method which solve the above problems.
The subject to be tested may further include:
the movable ring is sleeved outside the detected main body and used for moving up and down along the detected main body; the buffer springs are at least two and symmetrically arranged on the inner side of the movable ring; the pressing plate is arranged on the inner side of the buffer spring, is fixedly connected with the buffer spring and comprises a groove on one side far away from the buffer spring; the first piezoelectric sensor is fixedly arranged in the groove and is electrically connected with the controller through an electric wire; one side of the positioning block is arranged in the groove in a sliding way, and the other side of the positioning block is arranged in a collision way with the detected main body and can slide along the surface of the detected main body.
Preferably, the pier appearance detection device may further include:
the fixed plate is fixed on the inner side of the movable ring, is symmetrically arranged on two sides of the pressing plate, and is provided with a sliding groove on one side close to the pressing plate; the first sliding block is arranged in the sliding groove in a sliding way and is fixedly connected with the pressing plate; the first limiting rod is fixedly arranged in the chute, penetrates through the first sliding block, and the buffer spring is sleeved outside the first limiting rod.
Preferably, the pier appearance detection device may further include:
a second slider fixed outside the movable ring; the screw rod penetrates through the second sliding block, is connected with the second sliding block in a sliding manner, and is in transmission connection with a first driving motor at one end of the screw rod; the second limiting rod penetrates through the second sliding block and is arranged in parallel with the screw rod.
Preferably, the pier appearance detection device may further include: the image acquisition device is fixedly arranged on the positioning block.
Preferably, the movable ring may include:
the first moving part is arranged in a semicircular shape; the second moving part is arranged on one side of the first moving part, is in locking connection with the first moving part through a bolt and forms a complete circle with the first moving part.
Preferably, the movable ring may include:
the connecting plate is in a circular structure, and racks are uniformly distributed on the outer side of the connecting plate; the rotary teeth are arranged on the outer side of the rack, the outer side of the rotary teeth are meshed with the rack, and a rotating shaft is sleeved in the rotary teeth and is in transmission connection with the rotating shaft; the motor mounting frame is penetrated by the rotating shaft, and one side of the motor mounting frame is in sliding connection with the connecting plate; the second driving motor is fixed on the motor mounting frame and is in transmission connection with the rotating shaft.
Preferably, the buffer springs 11 include 4 springs uniformly disposed inside the movable ring 10.
A pier detection method may include:
s1, the assembly device is used for sleeving the movable ring on the outer side of the detected main body, and at the moment, the positioning block 15 extrudes the detected main body;
s2, recording the reverse acting force F1 applied to the first piezoelectric sensor through a controller;
s3, starting a first driving motor to drive the movable ring to move up and down;
s4, when the detected main body tilts, recording that the two first piezoelectric sensors are subjected to reverse acting force F2;
s5, according to the formula f=kx, calculating an offset value deltax at the tilt,
wherein DeltaX=F2-F1/k,
wherein k is an elastic coefficient;
s6, calculating offset values Δx1, Δ X2., Δxn one by one with the movement of the movable ring;
s7, establishing a coordinate system, and drawing an inclination curve according to the offset value delta X.
The bridge pier appearance detection device and the bridge pier appearance detection method have the following technical effects:
1. according to the bridge pier appearance detection device, the movable ring moves up and down, the reactive force F1 received by the first piezoelectric sensor in the non-inclined state is recorded, the reactive force F2 in the inclined state is recorded, the offset value delta X is calculated according to the formula F=kx, and the inclination curve is drawn, so that the inclination degree of the bridge pier can be accurately obtained;
2. the bridge pier appearance detection device is simple to operate, can be operated by only one person, does not need to be matched by multiple persons, saves manpower and material resources, can carry out underwater operation except for detecting bridge piers, solves the defect that the traditional detection method cannot carry out underwater detection, and has the advantages of great progress, high detection precision, high speed and small human error.
Other characteristic features and advantages of the application will become apparent from the following description of exemplary embodiments, which is to be read with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application. In the drawings, like reference numerals are used to identify like elements. The drawings, which are included in the description, illustrate some, but not all embodiments of the application. Other figures can be derived from these figures by one of ordinary skill in the art without undue effort.
Fig. 1 exemplarily shows a detection state diagram of a pier appearance detection apparatus of the present application;
fig. 2 is a view exemplarily showing a construction of the bridge pier appearance inspection apparatus of the present application;
FIG. 3 is a view schematically showing a construction of an embodiment of the bridge pier appearance detecting apparatus of the present application;
fig. 4 is a view schematically showing a detection state of another embodiment of the pier appearance detecting apparatus of the present application;
fig. 5 is a block diagram schematically showing another embodiment of the bridge pier appearance detecting apparatus of the present application;
fig. 6 exemplarily shows a top view of the bridge pier appearance inspection apparatus of the present application;
in the figure: 100. a subject to be inspected; 10. a movable ring; 11. a buffer spring; 12. a pressing plate; 13. a groove; 14. a first piezoelectric sensor; 15. a positioning block; 20. a fixing plate; 21. a chute; 22. a first slider; 23. a first stop lever; 30. a second slider; 31. a screw rod; 32. a first driving motor; 33. a second limit rod; 101. an image acquisition device; 40. a first moving part; 41. a second moving part; 42. a bolt; 50. a connecting plate; 51. a rack; 52. rotating the teeth; 53. a rotating shaft; 54. a motor mounting rack; 55. and a second driving motor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
The bridge pier appearance detection device will be described in detail below with reference to the drawings and examples.
Example 1
As shown in fig. 1 to 4, an object of the present application is to provide a bridge pier appearance detecting apparatus, which may include: the subject 100 may further include:
a movable ring 10 sleeved outside the body 100 to be inspected, for moving up and down along the body 100 to be inspected; the buffer springs 11, including at least two, are symmetrically arranged inside the movable ring 10; the pressing plate 12 is arranged on the inner side of the buffer spring 11, is fixedly connected with the buffer spring 11, and comprises a groove 13 on one side far away from the buffer spring 11; the first piezoelectric sensor 14 is fixedly arranged in the groove 13 and is electrically connected with the controller through an electric wire; one side of the positioning block 15 is slidably arranged in the groove 13, and the other side is in abutting arrangement with the detected main body 100 and can slide along the surface of the detected main body 100.
The bridge pier appearance detection device of the application records the reaction force F1 received by the first piezoelectric sensor 14 in the non-inclined state by moving the movable ring 10 up and down, records the reaction force F2 in the inclined state, calculates the offset value DeltaX according to the formula F=kx, and draws an inclination curve, so that the inclination degree of the bridge pier can be accurately obtained.
The bridge pier appearance detection device is simple to operate, can be operated by only one person, does not need to be matched by a plurality of persons, saves manpower and material resources, and simultaneously, can carry out underwater operation except for detecting the bridge pier of the water surface bridge, solves the defect that the traditional detection method cannot carry out underwater detection, and has the advantages of large progress, high detection precision, high speed and small human error.
In a preferred embodiment, the bridge pier appearance detection device of the present application further comprises:
the sealing cylinder 16 is fixedly arranged on the outer side of the buffer spring 11 and is fixedly connected with the movable ring 10 and the pressing plate 12 respectively;
the groove 13 is a through groove, and the connection part of the pressing plate 12, the buffer spring 11 and the first piezoelectric sensor 14 is a movable plate 17.
Wherein, this arrangement is to avoid the influence of the resistance of water on the buffer spring 11 when working in water.
Example 2
Other conditions are the same as in embodiment 1, wherein the pier appearance detecting apparatus may further include:
the fixed plate 20 is fixed on the inner side of the movable ring 10, symmetrically arranged on two sides of the pressing plate 12, and provided with a sliding groove 21 on one side close to the pressing plate 12; the first sliding block 22 is arranged in the sliding groove 21 in a sliding manner and is fixedly connected with the pressing plate 12; the first limiting rod 23 is fixedly arranged in the chute 21, penetrates through the first sliding block 22, and the buffer spring 11 is sleeved outside the first limiting rod 23.
Wherein, through the structure setting, further improve the detection precision, can improve buffer spring 11 part.
Here, at this time, since two buffer springs 11 are employed, the elastic system in the formula f=kx is replaced with K.
Example 3
Other conditions are the same as in embodiment 1, wherein the pier appearance detecting apparatus may further include:
a second slider 30 fixed outside the movable ring 10; the screw rod 31 penetrates through the second sliding block 30, is in sliding connection with the second sliding block 30, and is in transmission connection with a first driving motor 32 at one end of the screw rod 31; the second limiting rod 33 passes through the second sliding block 30 and is arranged in parallel with the screw rod 31.
Wherein, in order to move the bridge pier appearance detection device up and down, the first driving motor 32 is started to drive the screw rod 31 to rotate, and then drive the second slider 30 to rotate up and down, so that the bridge pier appearance detection device can move up and down along the detected main body 100, and detect the detected main body 100.
Example 4
Other conditions are the same as in embodiment 1, wherein the pier appearance detecting apparatus may further include: the image acquisition device 101 is fixedly arranged on the positioning block 15.
The appearance of the pier is circularly scanned by the image acquisition device 101, for example, a high-definition camera, so as to obtain the appearance of the pier at each height. And a more visual and accurate detection result is obtained.
Example 5
Other conditions are the same as in embodiment 1, wherein the movable ring 10 may include:
the first moving part 40 is arranged in a semicircular shape; the second moving part 41 is disposed at one side of the first moving part 40, is locked and connected with the first moving part 40 by a bolt 42, and forms a complete circle with the first moving part 40.
Wherein, during in-service use, two mobile parts set up, for convenient use installation.
Example 6
Other conditions are the same as in embodiment 1, wherein the movable ring 10 may include:
the connecting plate 50 is of a circular structure, and racks 51 are uniformly distributed on the outer side of the connecting plate; the rotary teeth 52 are arranged on the outer side of the rack 51, the outer side is meshed with the rack 51, a rotating shaft 53 is sleeved in the rotary teeth, and the rotary teeth are in transmission connection with the rotating shaft 53; the motor mounting bracket 54 is penetrated by the rotating shaft 53, and one side of the motor mounting bracket 54 is in sliding connection with the connecting plate 50; the second driving motor 55 is fixed on the motor mounting bracket 54 and is in transmission connection with the rotating shaft 53.
The second driving motor 55 drives the rotating shaft 53 to rotate, and then drives the rotating teeth 52 to rotate, so that the pier appearance detecting device can horizontally rotate around a circle along the detected main body 100 due to the meshing of the rotating teeth 52 and the racks 51, and can horizontally detect the state of the detected main body 100.
Example 7
Other conditions are the same as in embodiment 1, wherein the buffer springs 11 are composed of 4, uniformly disposed inside the movable ring 10.
The bridge pier appearance detection method can comprise the following steps:
s1, assembling the device, namely sleeving the movable ring 10 on the outer side of the detected main body 100, and at the moment, extruding the detected main body 100 by the positioning block 15;
s2, recording the reverse acting force F1 applied to the first piezoelectric sensor 14 through a controller;
s3, starting a first driving motor 32 to drive the movable ring 10 to move up and down;
s4, when the detected main body 100 is inclined, recording that the two first piezoelectric sensors 14 are subjected to reverse acting force F2;
s5, according to the formula f=kx, calculating an offset value deltax at the tilt,
wherein DeltaX=F2-F1/k,
wherein k is an elastic coefficient;
s6, calculating offset values Δx1, Δ X2., Δxn one by one as the movable ring 10 moves;
s7, establishing a coordinate system, and drawing an inclination curve according to the offset value delta X.
The bridge pier appearance detection method further comprises the steps that the second driving motor 55 is driven to rotate the movable ring 10 outside the offset value delta X of one angle of the bridge pier, so that the bridge pier offset value delta X of the other angle is detected;
wherein, can equally divide the pier into 12 and equally divide, every 30 rotatory movable ring 10, detect pier offset numerical value DeltaX of every angle again, finally obtain 12 gradient curves to calculate and obtain the direction that the pier is most inclined. The method solves the problem that the deformation tilting method of the bridge pier cannot be accurately obtained by people in the prior art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in an article or apparatus that comprises the element.
The above embodiments are only for illustrating the technical scheme of the present application, not for limiting the same, and the present application is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present application without departing from the spirit and scope of the technical solution of the present application, and the present application is intended to be covered by the scope of the appended claims.
Claims (4)
1. The utility model provides a pier outward appearance detection device which characterized in that includes: a subject to be inspected (100), further comprising: a movable ring (10) sleeved outside the detected main body (100) and used for moving up and down along the detected main body (100); the buffer springs (11) at least comprise two buffer springs which are symmetrically arranged on the inner side of the movable ring (10); the pressing plate (12) is arranged on the inner side of the buffer spring (11), is fixedly connected with the buffer spring (11), and comprises a groove (13) on one side far away from the buffer spring (11); the first piezoelectric sensor (14) is fixedly arranged in the groove (13) and is electrically connected with the controller through an electric wire; one side of the positioning block (15) is arranged in the groove (13) in a sliding way, and the other side of the positioning block is in abutting arrangement with the detected main body (100) and can slide along the surface of the detected main body (100); the bridge pier appearance detection device further comprises: the fixed plate (20) is fixed on the inner side of the movable ring (10), and is symmetrically arranged on two sides of the pressing plate (12), and a sliding groove (21) is formed on one side, close to the pressing plate (12); the first sliding block (22) is arranged in the sliding groove (21) in a sliding manner and is fixedly connected with the pressing plate (12); the first limiting rod (23) is fixedly arranged in the chute (21) and penetrates through the first sliding block (22), and the buffer spring (11) is sleeved outside the first limiting rod (23); the image acquisition device (101) is fixedly arranged on the positioning block (15); a first moving part (40) which is arranged in a semicircular shape; the second moving part (41) is arranged at one side of the first moving part (40), is in locking connection with the first moving part (40) through a bolt (42), and forms a complete circle with the first moving part (40); the movable ring (10) comprises: the connecting plate (50) is of a circular structure, and racks (51) are uniformly distributed on the outer side of the connecting plate; the rotary teeth (52) are arranged on the outer side of the rack (51), the outer side of the rotary teeth is meshed with the rack (51), a rotating shaft (53) is sleeved in the rotary teeth, and the rotary teeth are in transmission connection with the rotating shaft (53); the motor mounting frame (54) is penetrated by the rotating shaft (53), and one side of the motor mounting frame (54) is in sliding connection with the connecting plate (50); and the second driving motor (55) is fixed on the motor mounting frame (54) and is in transmission connection with the rotating shaft (53).
2. The pier appearance detection apparatus according to claim 1, wherein the pier appearance detection apparatus further comprises: a second slider (30) fixed outside the movable ring (10); the screw rod (31) penetrates through the second sliding block (30) and is in sliding connection with the second sliding block (30), and one end of the screw rod (31) is in transmission connection with a first driving motor (32); the second limiting rod (33) passes through the second sliding block (30) and is arranged in parallel with the screw rod (31).
3. The bridge pier appearance inspection device according to claim 1, characterized in that the buffer springs (11) comprise 4, uniformly arranged inside the movable ring (10).
4. A pier detection method of the pier appearance detection apparatus according to any one of claims 1 to 3, comprising: s1, the assembly device is used for sleeving the movable ring (10) on the outer side of the detected main body (100), and at the moment, the positioning block (15) extrudes the detected main body (100); s2, recording the reverse acting force F1 applied to the first piezoelectric sensor (14) through a controller; s3, starting a first driving motor (32) to drive the movable ring (10) to move up and down; s4, when the detected main body (100) is inclined, recording the reverse acting force F2 applied to the two first piezoelectric sensors (14); s5, calculating an offset value Δx at the inclination according to the formula f=kx, wherein Δx= (F2-F1)/k, wherein k is an elasticity coefficient; s6, calculating offset values delta X1 and delta X2. one by one along with the movement of the movable ring (10); s7, establishing a coordinate system, and drawing an inclination curve according to the offset value delta X.
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CN202111266422.XA CN113984012B (en) | 2021-10-28 | 2021-10-28 | Bridge pier appearance detection device and bridge pier detection method |
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CN202111266422.XA CN113984012B (en) | 2021-10-28 | 2021-10-28 | Bridge pier appearance detection device and bridge pier detection method |
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CN113984012B true CN113984012B (en) | 2023-10-17 |
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CN114687301B (en) * | 2022-04-22 | 2023-04-25 | 浙江工业职业技术学院 | Emergency maintenance deviation correcting device for bridge pier construction |
CN114717983B (en) * | 2022-06-10 | 2022-08-23 | 山东上辰建设集团有限公司 | Bridge foundation settlement deformation monitoring devices |
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CN208537446U (en) * | 2018-06-07 | 2019-02-22 | 孙加梅 | A kind of bridge construction testing agency |
CN214040013U (en) * | 2021-01-12 | 2021-08-24 | 四川省交通建设集团股份有限公司 | Bridge pier perpendicularity detection device |
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AT512282B1 (en) * | 2012-06-18 | 2013-07-15 | Trumpf Maschinen Austria Gmbh | Bending press with angle detection device |
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DE10040549A1 (en) * | 2000-08-15 | 2002-03-07 | Voith Turbo Kg | Roadway inclination detection method for vehicle involves determining pressure values for reference events, characteristic values for covered distance and calculating angle of roadway |
CN105277173A (en) * | 2015-10-14 | 2016-01-27 | 无锡百灵传感技术有限公司 | Device for detecting bridge oblique displacement |
CN107795314A (en) * | 2017-10-13 | 2018-03-13 | 陈磊 | Borehole wall gradient real time monitoring device is used in oil well drilling construction |
CN208537446U (en) * | 2018-06-07 | 2019-02-22 | 孙加梅 | A kind of bridge construction testing agency |
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