CN116481787A - Bridge support detection device and method and intelligent force measuring support - Google Patents
Bridge support detection device and method and intelligent force measuring support Download PDFInfo
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- CN116481787A CN116481787A CN202310444259.4A CN202310444259A CN116481787A CN 116481787 A CN116481787 A CN 116481787A CN 202310444259 A CN202310444259 A CN 202310444259A CN 116481787 A CN116481787 A CN 116481787A
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000007689 inspection Methods 0.000 claims 5
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The embodiment of the application provides a detection device and method for a bridge support and an intelligent force measuring support, and relates to the technical field of bridge health monitoring. The detection device of the bridge support comprises a force transducer assembly, a lower base plate and a processing mechanism; a support body of the bridge support to be detected is fixedly arranged between the upper seat plate and the lower seat plate; the force transducer assembly is fixedly arranged between the lower seat plate and the lower base plate, and the lower seat plate and the lower base plate are fixedly connected through a connecting mechanism so that the lower seat plate and the lower base plate do not slide relatively; the force measuring sensor assembly comprises a sensor mounting plate and a plurality of force measuring sensors, wherein the force measuring sensors are fixedly arranged on the sensor mounting plate; the processing mechanism is electrically connected with the plurality of force transducers and is used for acquiring and processing measurement data acquired by the plurality of force transducers. The detection device of the bridge support can effectively reflect the working state of the bridge support, and improves the technical effect of the safety of the whole bridge structure.
Description
Technical Field
The application relates to the technical field of bridge health monitoring, in particular to a detection device and method for a bridge support and an intelligent force measuring support.
Background
At present, the bridge support is an important structural component for connecting the upper structure and the lower structure of the bridge, is positioned between the bridge and the filler stone, can reliably transfer the load and deformation (displacement and corner) born by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge. The support can be used for finishing the functions, and meanwhile, the internal stress distribution of the support can effectively reflect the working state of the support and the safety of the whole bridge structure.
In the prior art, the curve bridges such as urban interchange, high-speed ramp and the like mostly adopt a single-column cast-in-situ continuous box girder structure, but the overload phenomenon of the existing load-carrying vehicle causes multiple-rise overturning accidents in the use process of the bridge with the structure; before the bridge is overturned, the stress change of the support can occur, the support bias voltage is generated, even the support is in a void state, the structural overturning is closely related to the stress condition of the support, and the real-time grasping of the stress state of the support is particularly important. The health status data of the support in the common scheme is generally obtained through timing manual detection and visual inspection, so that many diseases of bridges working outdoors such as highways, railways and the like cannot be found and treated in time, and potential safety hazards exist in the service of the support.
Disclosure of Invention
An aim of the embodiment of the application is to provide a detection device and method for a bridge support and an intelligent force measuring support, which can effectively reflect the working state of the bridge support and improve the technical effect of the safety of the whole bridge structure.
In a first aspect, an embodiment of the present application provides a detection apparatus for a bridge support, including a load cell assembly, a lower pad, and a processing mechanism;
the bridge support to be detected comprises an upper seat plate, a lower seat plate and a connecting mechanism, wherein a support body of the bridge support to be detected is fixedly arranged between the upper seat plate and the lower seat plate;
the force measuring sensor assembly is fixedly arranged between the lower seat plate and the lower base plate, and the lower seat plate and the lower base plate are fixedly connected through a connecting mechanism so that the lower seat plate and the lower base plate do not slide relatively; the force measuring sensor assembly comprises a sensor mounting plate and a plurality of force measuring sensors, wherein the force measuring sensors are fixedly mounted on the sensor mounting plate;
the processing mechanism is electrically connected with the plurality of force transducers and is used for acquiring and processing measurement data acquired by the plurality of force transducers.
In the implementation process, the detection device of the bridge support is characterized in that the upper seat plate and the lower seat plate are fixedly arranged on the bridge support to be detected, the force transducer assembly is arranged between the lower seat plate and the lower base plate, and the vertical load and the eccentric load of the bridge support to be detected are detected in real time through the force transducers in the force transducer assembly, so that the stress distribution state and the change rule of the bridge support to be detected are monitored in real time, the data acquisition and analysis automation can be realized through the processing mechanism, the optimal time of maintenance is mastered, the safety of the whole structure of the bridge is improved, the service life of the bridge is prolonged, and unnecessary fund waste is avoided; therefore, the detection device of the bridge support can effectively reflect the working state of the bridge support, and the technical effect of improving the safety of the whole bridge structure is achieved.
Further, the force measuring sensor comprises a first force measuring member and a second force measuring member, the first force measuring member and the second force measuring member are respectively and electrically connected with the processing mechanism, and the first force measuring member and the second force measuring member are arranged on two sides of the sensor mounting plate along a preset direction.
In the implementation process, the force measuring sensor is divided into two independent parts, namely the first force measuring component and the second force measuring component, so that load data of two different parts can be output, and the independent force measuring function is realized.
Further, the first force measuring member and the second force measuring member are semicircular force measuring members, and the first force measuring member and the second force measuring member form a circular force measuring sensor.
Further, the plurality of force transducers are sequentially and fixedly arranged on the sensor mounting plate at intervals of preset distances.
Further, the force transducer is a circular force transducer, and the center point of the sensor mounting plate coincides with the center point of the circular force transducer.
In the implementation process, the plurality of force transducers are fixedly arranged on the sensor mounting plate, a plurality of concentric circles with equal intervals are formed by the center points of the sensor mounting plate, and the vertical load and the eccentric load of the bridge support to be detected can be collected more effectively.
Further, the connecting mechanism is a bolt connecting mechanism.
Further, the detection device further comprises an alarm mechanism, and the alarm mechanism is electrically connected with the processing mechanism.
In the implementation process, by arranging the alarm mechanism, when the load data of the support to be detected exceeds a threshold value or the health state of the support monitored by the processing mechanism does not meet the condition, the support to be detected is alarmed, so that the best time for curing the support to be detected is mastered.
Further, the thickness of the load cell is 22mm to 26mm.
In a second aspect, an embodiment of the present application provides a method for detecting a bridge beam support, which is applied to a device for detecting a bridge beam support in any one of the first aspect, and the method includes:
acquiring force measurement data acquired by the plurality of force measurement sensors;
according to the force measurement data, vertical load data, eccentric distance data and eccentric load data of the bridge support to be detected are obtained through calculation;
and generating a bridge support detection result according to the vertical load data, the eccentric distance data and the eccentric load data.
In a third aspect, an embodiment of the present application provides an intelligent force measurement support, including a detection apparatus for a bridge support according to any one of the first aspect.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part will be obvious from the description, or may be learned by practice of the techniques disclosed herein.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded schematic view of a detection device for a bridge bearing according to an embodiment of the present application;
fig. 2 is a schematic diagram of an assembly structure of a detection device for a bridge beam support according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a load cell assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a load cell according to an embodiment of the present disclosure;
FIG. 5 is a front view of the mounting structure of the lower seat pan, load cell assembly and lower pad provided in an embodiment of the present application;
fig. 6 is a schematic flow chart of a detection method according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a load cell assembly provided in an embodiment of the present application;
FIG. 8 is a schematic diagram of normal monitoring data of a load cell assembly according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a load cell assembly monitoring data deformation provided in an embodiment of the present application;
FIG. 10 is a schematic diagram of a load cell assembly monitoring data de-emption provided in an embodiment of the present application;
FIG. 11 is a schematic diagram of a load cell assembly for monitoring data misalignment according to an embodiment of the present application.
Icon: a load cell assembly 100; a sensor mounting plate 110; a first force measuring member 121; a second force measuring member 122; a load cell 120; a lower pad 200; bridge support 300 to be inspected; an upper seat plate 310; a lower seat plate 320; a connection mechanism 330; the holder body 340.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or a point connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The embodiment of the application provides a detection device and method for a bridge support and an intelligent force measuring support, which can be applied to monitoring the health state of the bridge support; according to the detection device for the bridge support, the upper seat plate and the lower seat plate are fixedly arranged on the bridge support to be detected, the force transducer assembly is arranged between the lower seat plate and the lower base plate, and the vertical load and the eccentric load of the bridge support to be detected are detected in real time through the force transducers in the force transducer assembly, so that the stress distribution state and the change rule of the bridge support to be detected are monitored in real time, the data acquisition and analysis automation can be realized through the processing mechanism, the optimal time for maintenance is mastered, the safety of the whole structure of the bridge is improved, the service life of the bridge is prolonged, and unnecessary fund waste is avoided; therefore, the detection device of the bridge support can effectively reflect the working state of the bridge support, and the technical effect of improving the safety of the whole bridge structure is achieved.
Referring to fig. 1 to 3, fig. 1 is an exploded structural schematic diagram of a detection device for a bridge bearing according to an embodiment of the present application, fig. 2 is an assembled structural schematic diagram of a detection device for a bridge bearing according to an embodiment of the present application, and fig. 3 is a structural schematic diagram of a load cell assembly according to an embodiment of the present application; the bridge bearing detection device comprises a load cell assembly 100, a lower base plate 200 and a processing mechanism.
Illustratively, the bridge bearing 300 includes an upper seat plate 310, a lower seat plate 320 and a connection mechanism 330, and a bearing body 340 of the bridge bearing to be detected is fixedly installed between the upper seat plate 310 and the lower seat plate 320.
Illustratively, the load cell assembly 100 is fixedly mounted between the lower seat plate 320 and the lower pad 200, and the lower seat plate 320 and the lower pad 200 are fixedly connected by a connecting mechanism 330, so that no relative sliding exists between the lower seat plate 320 and the lower pad 200; the load cell assembly 100 includes a sensor mounting plate 110 and a plurality of load cells 120, the plurality of load cells 120 being fixedly mounted to the sensor mounting plate 110.
Illustratively, the force measuring sensor assembly 100 is fixedly installed below the bridge bearing 300 to be detected through the upper seat plate 310, the lower seat plate 320 and the lower base plate 200, and load data (vertical load and eccentric load) of the bridge bearing 300 to be detected are collected in real time through the force measuring sensor assembly 100, so that the stress distribution state and the change rule of the bridge bearing 300 to be detected are monitored in real time; therefore, the detection device of the bridge support can be modified on the basis of the original support without changing the original design support and affecting the traditional construction process, and is wide in application support range.
Illustratively, the load cell assembly 100 includes a sensor mounting plate 110 and a plurality of load cells 120 capable of measuring axial forces across the face of the sensor mounting plate 110.
Illustratively, the lower mat 200 is installed between the lower deck 320 and the support bolster of the bridge support 300 to be inspected; by adding the lower pad 200, the support cushion can be protected from being crushed.
Illustratively, a processing mechanism is electrically coupled to the plurality of load cells 120, the processing mechanism being configured to acquire and process measurement data acquired by the plurality of load cells 120.
Illustratively, the processing mechanism includes interface circuits and a processor (central processing unit, CPU) as an arithmetic and control core, which is the final execution unit for information processing, program running; the interface circuit is respectively connected with the processor and the force transducer and uploads the data acquired by the force transducer to the processor.
By way of example, the processing mechanism can realize data acquisition and analysis automation, for example, the processing mechanism can have intelligent functions of self-checking, early warning, alarming and the like, so that the best opportunity of maintenance is mastered, the service life of the bridge is prolonged, and unnecessary fund waste is avoided.
In some embodiments, the detection device for the bridge beam supports is characterized in that an upper seat plate 310 and a lower seat plate 320 are fixedly installed on a support body 340 of the bridge beam support to be detected, a force sensor assembly 100 is arranged between the lower seat plate 320 and a lower base plate 200, and the vertical load and the eccentric load of the bridge beam support 300 to be detected are detected in real time through a plurality of force sensors 120 in the force sensor assembly 100, so that the stress distribution state and the change rule of the bridge beam support to be detected are monitored in real time, the automation of data acquisition and analysis can be realized through a processing mechanism, the optimal time for maintenance is mastered, the safety of the whole structure of the bridge is improved, the service life of the bridge is prolonged, and unnecessary fund waste is avoided; therefore, the detection device of the bridge support can effectively reflect the working state of the bridge support, and the technical effect of improving the safety of the whole bridge structure is achieved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a load cell assembly according to an embodiment of the present application.
Illustratively, a plurality of load cells 120 are fixedly disposed on the sensor mounting plate 110 in sequence at predetermined intervals.
Illustratively, the load cell 120 is a circular load cell, with the center point of the sensor mounting plate 110 coinciding with the center point of the circular load cell.
Illustratively, the plurality of load cells 120 are fixedly mounted on the sensor mounting plate 110, and a plurality of concentric circles with equal intervals are formed by the center points of the sensor mounting plate 110, so that the vertical load and the eccentric load of the bridge bearing to be detected can be more effectively collected.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a load cell provided in an embodiment of the present application, and fig. 5 is a front view of a mounting structure of a lower seat plate, a load cell assembly, and a lower pad provided in an embodiment of the present application.
Illustratively, the force sensor 120 includes a first force measuring member 121 and a second force measuring member 122, the first force measuring member 121 and the second force measuring member 122 are electrically connected with the processing mechanism, respectively, and the first force measuring member 121 and the second force measuring member 122 are disposed on both sides of the sensor mounting plate 110 along a preset direction.
Illustratively, the load cell 120 is divided into two independent parts, namely the first force measuring member 121 and the second force measuring member 122, so that load data of two different parts can be output, thereby realizing an independent force measuring function.
In some embodiments, the load cell 120 may be divided into a preset number of load cells according to the requirements, and output a preset number of load data (e.g., 3 load cells or 4 load cells, as examples and not limiting herein) for testing purposes.
Illustratively, the first force measuring member 121 and the second force measuring member 122 are semi-circular force measuring members, and the first force measuring member 121 and the second force measuring member 122 form a circular force measuring sensor.
Illustratively, the stress distribution on the sensor is not uniform when an eccentric load is present on the support, as shown in FIG. 5; where D represents the eccentric distance, F represents the eccentric load, and L represents the centerline of the sensor mounting plate 110.
Illustratively, the connection mechanism 330 is a bolting mechanism.
The detection device further comprises an alarm mechanism, which is electrically connected to the processing mechanism.
By setting the alarm mechanism, when the load data of the support to be detected exceeds a threshold value or the health state of the support monitored by the processing mechanism does not meet the condition, the support to be detected is alarmed, so that the best time for maintaining the support to be detected is known.
Illustratively, the load cell 120 has a thickness of 22mm to 26mm.
In some embodiments, the load cell 120 provided in this application embodiment has light component, reliable operation, simple structure, high signal to noise ratio and high sensitivity, can monitor stress distribution state and change rule thereof in real time, monitor vertical load and eccentric load of bridge supports, and can identify the load effect of bridge deck 3t vehicles (measuring sensitivity reaches 1%o).
Referring to fig. 6, fig. 6 is a schematic flow chart of a method for detecting a bridge bearing according to an embodiment of the present application, where the method for detecting a bridge bearing is applied to the device for detecting a bridge bearing shown in fig. 1 to 5, and the method for detecting a bridge bearing includes the following steps:
s100: acquiring force measurement data acquired by a plurality of force measurement sensors;
s200: according to the force measurement data, vertical load data, eccentric distance data and eccentric load data of the bridge support to be detected are obtained;
s300: and generating a bridge support detection result according to the vertical load data, the eccentric distance data and the eccentric load data.
The data collected by the load cell can be uploaded to the cloud through the processing mechanism, and the cloud data and the sensor data can be reversely connected and controlled.
In some embodiments, when the eccentric load occurs on the bridge support to be detected, the stress states of the plurality of force sensors in the force sensor assembly are output to be asymmetric states, and the vertical load data, the eccentric distance data and the eccentric load data of the bridge support to be detected can be obtained by comparing the sizes of the force sensors and the stress values of the sensors, so that further analysis and processing are performed, and the bridge support detection result is obtained.
Illustratively, taking a load cell (circular load cell) as an example of a split into two load cells (a first load cell and a second load cell), corresponding relationships are determined based on the sensor load cell distribution and the sensor outer diameter ratio, such that the forward and reverse bridges are displaced as shown in table 1:
TABLE 1 force cell relationship table
By means of long-term monitoring of the vertical load data, the eccentric distance data and the eccentric load data of the bridge support to be detected, a corresponding support model is established and compared with various working conditions, and therefore the health state of the bridge support to be detected is judged more accurately.
Exemplary, the embodiment of the application provides an intelligent force measuring support, which comprises a detection device of the bridge support shown in fig. 1 to 5.
Referring to fig. 7, fig. 7 is a schematic diagram of a load cell assembly according to an embodiment of the present application.
Illustratively, as shown in FIG. 7, the force sensor assembly comprises 12 sensors, which are symmetrically arranged, wherein the vertical loads F, A1, B1, C1 and D1 born by the support are distributed according to the length proportion of the sensors, and the whole support 2/40 area is monitored; a2, B2, C2, D2 monitor the entire support 3/40 area; a3, B3, C3, D3 monitor the entire support 5/40 area; and according to the load data of the 12 sensors, compared with the normal condition, calculating the deformation shearing angle, the offset displacement and the void area. And evaluating the defect degree of the support according to the related specification.
Referring to fig. 8 to 11, fig. 8 is a schematic diagram of normal monitoring data of the force sensor assembly provided in the embodiment of the present application, fig. 9 is a schematic diagram of deformation of the monitoring data of the force sensor assembly provided in the embodiment of the present application, fig. 10 is a schematic diagram of emptying of the monitoring data of the force sensor assembly provided in the embodiment of the present application, and fig. 11 is a schematic diagram of deviation of the monitoring data of the force sensor assembly provided in the embodiment of the present application.
Table 1-force sensor assembly monitoring data status table
Illustratively, as shown in table 1, a3=0 indicates that the support is empty in the A3 monitoring area, the empty area is at least 5/40, and the support is more severely biased and more biased empty at the time according to the specification between 10% and 30% of the specified values, and the support disease grade is 2;
(a1+a2+a3)/(b1+b2+b3) =1.2 means that the support edge of the cross bridge is shifted by 10% along the cross bridge direction, namely, by 10% x 300=30 mm, arctan (30/150) =11.3°, the shearing angle is smaller than 30 °, the shifting distance is equal to 10% according to the specification that the support position has larger fluctuation, the shearing deformation is not overrun, and the support defect degree is rated to be slight;
(a1+a2+a3)/(c1+c2+c3) =1.4 means that 20% of the forward-bridge abutment edge is offset along the forward-bridge direction, i.e. 20% x 300=60 mm, arctan (60/150) =21.8°, the offset distance is greater than 10% and less than 25% of the corresponding edge length according to the specification, the abutment offset is serious at this time, or the occurrence of void or shear deformation overrun, the abutment defect degree is rated serious;
a1/b1=1.1 means that the support edge of the transverse bridge is offset by 5% along the transverse bridge direction, less than 25%, and the support is subjected to shear deformation or slightly offset in position according to specification, and the scale is 2;
A1/C1=1.6 shows that 30% of the along-bridge support edges are offset along the along-bridge direction, more than 25%, and according to the specification, the support is serious in running and causes serious diseases of other bridge components, and the scale is 5;
it should be noted that the detection device of the embodiment of the present application may be applied to all holders, and the monitoring data result evaluates the holder status according to different specifications according to different holder types.
In all embodiments of the present application, "large" and "small" are relative terms, "more" and "less" are relative terms, "upper" and "lower" are relative terms, and the description of such relative terms is not repeated herein.
It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the application," or "as an alternative" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Thus, the appearances of the phrases "in this embodiment," "in this application embodiment," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art will also appreciate that the embodiments described in the specification are all alternative embodiments and that the acts and modules referred to are not necessarily required in the present application.
In various embodiments of the present application, it should be understood that the size of the sequence numbers of the above processes does not mean that the execution sequence of the processes is necessarily sequential, and the execution sequence of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The detection device of the bridge support is characterized by comprising a force transducer assembly, a lower base plate and a processing mechanism;
the bridge support to be detected comprises an upper seat plate, a lower seat plate and a connecting mechanism, wherein a support body of the bridge support to be detected is fixedly arranged between the upper seat plate and the lower seat plate;
the force measuring sensor assembly is fixedly arranged between the lower seat plate and the lower base plate, and the lower seat plate and the lower base plate are fixedly connected through a connecting mechanism of the bridge support to be detected, so that the lower seat plate and the lower base plate do not slide relatively; the force measuring sensor assembly comprises a sensor mounting plate and a plurality of force measuring sensors, wherein the force measuring sensors are fixedly mounted on the sensor mounting plate;
the processing mechanism is electrically connected with the plurality of force transducers and is used for acquiring and processing measurement data acquired by the plurality of force transducers.
2. The bridge beam receiver inspection device of claim 1, wherein the load cell includes a first load cell and a second load cell, the first load cell and the second load cell are electrically connected to the processing mechanism, respectively, and the first load cell and the second load cell are disposed on both sides of the sensor mounting plate along a predetermined direction.
3. The bridge beam receiver inspection device of claim 2, wherein the first force measuring member and the second force measuring member are semicircular force measuring members, and the first force measuring member and the second force measuring member form a circular force measuring sensor.
4. The bridge beam receiver inspection device of claim 1, wherein the plurality of load cells are fixedly disposed in sequence on the sensor mounting plate at predetermined intervals.
5. The bridge beam receiver inspection device of claim 4, wherein the load cell is a circular load cell, and the center point of the sensor mounting plate coincides with the center point of the circular load cell.
6. The bridge beam receiver inspection device of claim 1, wherein the bridge beam receiver connection mechanism is a bolt connection mechanism.
7. The apparatus for detecting a bridging beam according to claim 1, further comprising an alarm mechanism electrically connected to the processing mechanism.
8. A bridge bearing detection device according to claim 1, wherein the load cell has a thickness of 22mm to 26mm.
9. A method for detecting a bridge bearing, applied to the device for detecting a bridge bearing according to any one of claims 1 to 8, comprising:
acquiring force measurement data acquired by the plurality of force measurement sensors;
according to the force measurement data, vertical load data, eccentric distance data and eccentric load data of the bridge support to be detected are obtained through calculation;
and generating a bridge support detection result according to the vertical load data, the eccentric distance data and the eccentric load data.
10. An intelligent force measuring support, characterized by comprising a detection device of the bridge support according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310444259.4A CN116481787B (en) | 2023-04-23 | 2023-04-23 | Bridge support detection device and method and intelligent force measuring support |
Applications Claiming Priority (1)
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0290651A1 (en) * | 1987-05-13 | 1988-11-17 | Carl Schenck Ag | Annular force transducer |
| KR200344084Y1 (en) * | 2003-10-01 | 2004-03-11 | 주식회사 케이.알 | Multiple load cell structure of measurable bearing |
| CN203769073U (en) * | 2014-03-25 | 2014-08-13 | 株洲时代新材料科技股份有限公司 | Support used for civil engineering structures |
| CN104947582A (en) * | 2015-07-01 | 2015-09-30 | 湖南大学 | Intelligent weighing support improved based on bridge plate-type support |
| CN108149583A (en) * | 2016-01-09 | 2018-06-12 | 长安大学 | A kind of anti-bias installation method of bearing |
| CN210893508U (en) * | 2019-12-06 | 2020-06-30 | 重庆华盛检测技术有限公司 | Bridge beam supports bias voltage detection device |
| CN211446575U (en) * | 2019-11-01 | 2020-09-08 | 深圳市市政设计研究院有限公司 | Intelligent basin-type support and support monitoring system |
| CN214089448U (en) * | 2020-10-23 | 2021-08-31 | 安徽建筑大学 | Intelligent height-adjustable support capable of monitoring bridge posture and stress level |
| CN217078389U (en) * | 2021-07-06 | 2022-07-29 | 招商局重庆交通科研设计院有限公司 | Dynamic load intelligent monitoring bridge support |
| CN217378540U (en) * | 2022-02-28 | 2022-09-06 | 苏州海德新材料科技股份有限公司 | Bridge load monitoring support |
-
2023
- 2023-04-23 CN CN202310444259.4A patent/CN116481787B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0290651A1 (en) * | 1987-05-13 | 1988-11-17 | Carl Schenck Ag | Annular force transducer |
| KR200344084Y1 (en) * | 2003-10-01 | 2004-03-11 | 주식회사 케이.알 | Multiple load cell structure of measurable bearing |
| CN203769073U (en) * | 2014-03-25 | 2014-08-13 | 株洲时代新材料科技股份有限公司 | Support used for civil engineering structures |
| CN104947582A (en) * | 2015-07-01 | 2015-09-30 | 湖南大学 | Intelligent weighing support improved based on bridge plate-type support |
| CN108149583A (en) * | 2016-01-09 | 2018-06-12 | 长安大学 | A kind of anti-bias installation method of bearing |
| CN211446575U (en) * | 2019-11-01 | 2020-09-08 | 深圳市市政设计研究院有限公司 | Intelligent basin-type support and support monitoring system |
| CN210893508U (en) * | 2019-12-06 | 2020-06-30 | 重庆华盛检测技术有限公司 | Bridge beam supports bias voltage detection device |
| CN214089448U (en) * | 2020-10-23 | 2021-08-31 | 安徽建筑大学 | Intelligent height-adjustable support capable of monitoring bridge posture and stress level |
| CN217078389U (en) * | 2021-07-06 | 2022-07-29 | 招商局重庆交通科研设计院有限公司 | Dynamic load intelligent monitoring bridge support |
| CN217378540U (en) * | 2022-02-28 | 2022-09-06 | 苏州海德新材料科技股份有限公司 | Bridge load monitoring support |
Non-Patent Citations (1)
| Title |
|---|
| 孙晓立 等: "利用动刚度法评价营运高速公路桥梁桩基承载力", 《广东公路交通》, pages 6 - 10 * |
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