CN113375714B - Bridge safety monitoring analysis management system - Google Patents
Bridge safety monitoring analysis management system Download PDFInfo
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- CN113375714B CN113375714B CN202110489204.6A CN202110489204A CN113375714B CN 113375714 B CN113375714 B CN 113375714B CN 202110489204 A CN202110489204 A CN 202110489204A CN 113375714 B CN113375714 B CN 113375714B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
Abstract
The invention provides a bridge safety monitoring analysis management system, and relates to the technical field of bridge safety monitoring. The bridge safety monitoring, analyzing and managing system comprises a monitoring subsystem, a data acquisition subsystem, a transmission subsystem, a monitoring data preprocessing subsystem and an early warning module subsystem. The data acquisition subsystem is used for acquiring original data obtained by the monitoring subsystem, the transmission subsystem is used for transmitting the original data, the monitoring data preprocessing subsystem is used for preprocessing the obtained original data, and the early warning module subsystem is used for carrying out statistical analysis on the data monitored by the monitoring subsystem in real time. The bridge beam supports include connecting seat, first antifriction plate, midblock, second antifriction plate, third antifriction plate, supporting seat and lower connecting seat. The bridge safety monitoring, analyzing and managing system can monitor the bridge support in real time, and when the monitored data are larger than a preset threshold value, an alarm is given out, so that a safety manager can know the condition of the bridge support in time.
Description
Technical Field
The invention relates to the technical field of bridge safety monitoring, in particular to a bridge safety monitoring analysis management system.
Background
The bridge refers to a building constructed for a road to cross natural or artificial barriers, and is erected on rivers, lakes and seas, so that vehicles, pedestrians and the like can smoothly pass through the bridge. The bridge generally comprises an upper structure, a lower structure and an accessory structure, wherein the upper structure mainly refers to a bridge span structure and a support system, the lower structure comprises a bridge abutment, a bridge pier and a foundation, and the accessory structure refers to a bridge head butt strap, a conical slope protection, a bank protection, a flow guide project and the like.
The support system comprises a bridge support which is an important structural component for connecting an upper structure and a lower structure of a bridge, is positioned between a beam plate and a cushion stone, can reliably transfer load and deformation (displacement and corner) borne by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge.
Therefore, the method is particularly important for safety monitoring of the bridge bearing. At present, detection equipment is usually carried by detection personnel for monitoring the bridge support regularly, the detection equipment goes to the site to detect the bridge support, and a detection result is recorded so as to analyze the disease condition of the bridge support.
The monitoring mode aiming at the bridge support is not only difficult to master the safety condition of the bridge support in real time, but also has the problems of high labor intensity and low detection efficiency.
Disclosure of Invention
Aiming at the situation, the invention provides a bridge safety monitoring, analyzing and managing system, which solves the technical problems that the safety situation of a bridge support is difficult to master in real time, the labor intensity of workers is high and the detection efficiency is low in the existing bridge support monitoring mode.
In order to achieve the purpose, the invention provides the following technical scheme:
a bridge safety monitoring analysis management system mainly comprises: the system comprises a monitoring subsystem, a data acquisition subsystem, a transmission subsystem, a monitoring data preprocessing subsystem and an early warning module subsystem. The monitoring subsystem is used for monitoring the bridge support in real time, the data acquisition subsystem is used for acquiring original data obtained by the monitoring subsystem, the transmission subsystem is used for transmitting the original data, the monitoring data preprocessing subsystem is used for preprocessing the obtained original data, the early warning module subsystem is used for carrying out statistical analysis on the data monitored by the monitoring subsystem in real time, and when the data obtained by monitoring is larger than or smaller than a preset threshold value, an alarm is given out.
The bridge beam supports include connecting seat, first antifriction plate, midblock, second antifriction plate, third antifriction plate, supporting seat and lower connecting seat. Go up the connecting seat and be used for connecting the beam slab, first antifriction plate is fixed in the downside of last connecting seat, the upside of middle piece is the plane, middle piece and first antifriction plate butt, the downside at middle piece is fixed to the second antifriction plate, the downside of second antifriction plate is the sphere, the third antifriction plate matches with the second antifriction plate, and the two activity links to each other, the holding tank that matches with the third antifriction plate is seted up to the upside of supporting seat, the second antifriction plate sets up in the holding tank, lower connecting seat is used for connecting the stepping stone, the supporting seat is fixed in lower connecting seat. The lower side edge of the upper connecting seat is provided with a stop block, and the upper part of the lower connecting seat is positioned in the stop block.
The bridge safety monitoring, analyzing and managing system can monitor the bridge bearing in real time, does not need to manually carry detection equipment, regularly goes to the site to detect the bridge bearing, counts the data monitored in real time by the early warning module subsystem, and sends an alarm when the monitored data is greater than a preset threshold value, so that a safety manager can timely know the disease condition of the bridge bearing. Between first antifriction plate and the middle piece, and when producing the friction between third antifriction plate and the second antifriction plate, first antifriction plate, second antifriction plate and the difficult loss of third antifriction plate, this is favorable to prolonging bridge beam supports's life cycle, reduces the probability that early warning module subsystem sends out the police dispatch newspaper because of the antifriction plate wearing and tearing are serious.
In some embodiments of the invention, the monitoring subsystem comprises a void detection component, the void detection component comprising: the device comprises a movable rod, a transmission gear, a movable plate, a first displacement sensor and a return spring.
The four corners of the lower connecting seat are respectively and longitudinally inserted with a movable rod. The lower part of activity stick has set firmly the spacing ring, has seted up the spacing groove that matches with the spacing ring in the lower connecting seat, and the cover is equipped with first pressure spring on the activity stick, and the one end of first pressure spring is fixed in the upside inner wall of spacing groove, and the other end is fixed in the spacing ring. A toothed plate is fixedly arranged at the lower end of the movable rod.
And the transmission gear is arranged in the lower connecting seat through a rotating shaft and is meshed with the toothed plate.
The movable plate is located on the right side of the transmission gear and connected with the rotating shaft through a connecting line, and the movable plate can move along the radial direction of the lower connecting seat under the driving of the connecting line.
And the first displacement sensor is radially arranged in the lower connecting seat, a first fixing plate is fixedly arranged in the lower connecting seat, one end of the first displacement sensor is fixed on the left side of the first fixing plate, and the other end of the first displacement sensor is fixed on the right side of the movable plate.
The return spring is arranged between the movable plate and the first fixed plate.
When the bridge bearing is in the empty condition, the empty position can be in a suspended state, the empty detection assembly can detect whether the bridge bearing is in the empty state or not in time, and an alarm is sent out through the early warning module subsystem when the bridge bearing is in the empty condition.
In some embodiments of the present invention, a second fixed plate is disposed between the first fixed plate and the movable plate, circular rods are fixed to both the second fixed plate and the movable plate, and two ends of the return spring are fixed to the two circular rods respectively.
The length of the return spring can be reduced due to the arrangement of the second fixing plate and the round rod, and cost saving is facilitated.
In some embodiments of the present invention, a protective sleeve is sleeved on the upper portion of the movable rod, and the protective sleeve can extend and retract along the axial direction of the protective sleeve.
The protective sheath can play certain waterproof sand prevention's effect to the activity of avoiding the activity stick receives unnecessary hindrance.
In some embodiments of the present invention, two first sliding rails are disposed in the lower connecting seat in parallel, and the upper and lower sides of the movable plate are slidably connected to the two first sliding rails respectively.
Due to the arrangement of the first sliding rail, the movable plate can better move along the radial direction of the lower connecting seat.
In some embodiments of the present invention, an installation groove is formed on an upper side of the lower connection seat, a first waterproof ring is disposed in the installation groove, the first waterproof ring is sleeved with the movable rod, and a waterproof protrusion is fixedly disposed on an upper side of the first waterproof ring. Still cup jointed the waterproof ring of second on the movable rod, the spread groove that matches with waterproof arch is seted up to the downside of the waterproof ring of second. A first water drainage hole is axially formed in the first waterproof ring, a second water drainage hole communicated with the first water drainage hole is formed in the lower connecting seat, the second water drainage hole is obliquely arranged, and the first water drainage hole and the second water drainage hole are located in the outer side of the waterproof bulge.
The waterproof bulge is arranged, so that the effect of preventing water from entering the movable rod and the lower connecting seat can be achieved to a certain extent. The arrangement of the first drain hole and the second drain hole achieves the waterproof purpose in a drainage mode so as to ensure the waterproof effect.
In some embodiments of the present invention, a supporting pad is disposed in the receiving groove, and the third wear-resisting plate is fixed to an upper side of the supporting pad. Be provided with damping spring between the inner wall of supporting pad and holding tank.
The supporting pads and the damping springs are arranged, so that a damping effect can be achieved, and the influence of vibration on an electronic instrument used in the monitoring subsystem can be reduced, so that the accuracy of a detection result is ensured.
In some embodiments of the present invention, the stopper is provided with a resistance detector, a temperature sensor, a lithium battery, and a solar panel. The resistance detector is used for the resistance value of real-time supervision second antifriction plate and third antifriction plate, and resistance detector and temperature sensor's power cord all links to each other with the lithium cell, and solar panel is used for charging for the lithium cell.
When the second wear-resisting plate and the third wear-resisting plate are seriously worn, the thicknesses of the second wear-resisting plate and the third wear-resisting plate are reduced, the resistance value is correspondingly changed, and when the resistance values of the second wear-resisting plate and the third wear-resisting plate are lower than a preset threshold value, the early warning module subsystem gives an alarm.
In some embodiments of the present invention, a radially disposed convex portion is fixedly disposed at a lower portion of the stop block, a second slide rail is fixed on the convex portion, a slide seat is slidably connected to the second slide rail, a guide cylinder is fixed on the slide seat, a piston having a sealing ring is slidably disposed in the guide cylinder, an extension tube is fixed on an upper side of the piston, an upper end of the extension tube abuts against the first wear-resistant plate, a transverse plate is fixed in the extension tube, and the infrared distance meter is fixed on the transverse plate and used for measuring a distance between the first wear-resistant plate and the infrared distance meter. The right side of dog is seted up and is held the breach of flexible pipe and guide cylinder, and the left side of guide cylinder is fixed with the second pressure spring, and the left end of second pressure spring is fixed in the breach.
In order to ensure that the first wear plate can slide relative to the middle block well, the flatness of the first wear plate needs to be ensured to meet requirements. When first antifriction plate was slided about the relative middle piece, the middle piece can push flexible pipe to the breach to in a plurality of positions that infrared distance measuring instrument detected first antifriction plate, infrared distance measuring instrument can detect at the removal in-process and obtain a plurality of data, and the fluctuation range through judging a plurality of data is greater than preset threshold value, reaches the purpose of judging whether the roughness of first antifriction plate meets the requirements. When the early warning module subsystem judges that the fluctuation amplitude is larger than the preset threshold value, an alarm can be sent out.
In some embodiments of the present invention, a protective cylinder is disposed below the stop block, a second displacement sensor is disposed in the protective cylinder, an upper end of the second displacement sensor is rotatably connected to a butt plate through a connecting shaft, and the butt plate is fixed to the stop block.
The inclination degree of the upper connecting seat can be monitored in real time through the arrangement of the abutting plate, the connecting shaft and the second displacement sensor. The arrangement of a protection cylinder can provide protection for the second displacement sensor.
The embodiment of the invention at least has the following advantages or beneficial effects:
1. the bridge safety monitoring, analyzing and managing system can monitor the bridge bearing in real time, does not need to manually carry detection equipment, regularly goes to the site to detect the bridge bearing, counts the data monitored in real time by the early warning module subsystem, and sends an alarm when the monitored data is greater than a preset threshold value, so that a safety manager can timely know the disease condition of the bridge bearing. Between first antifriction plate and the middle piece, and when producing the friction between third antifriction plate and the second antifriction plate, first antifriction plate, second antifriction plate and the difficult loss of third antifriction plate, this is favorable to prolonging bridge beam supports's life cycle, reduces the probability that early warning module subsystem sends out the police dispatch newspaper because of the antifriction plate wearing and tearing are serious.
2. The setting of the void detection assembly can timely detect whether the bridge bearing is in a void state or not, and when a void defect occurs in the bridge bearing, an alarm is sent out through the early warning module subsystem.
3. The supporting pads and the damping springs are arranged, so that a damping effect can be achieved, and the influence of vibration on an electronic instrument used in the monitoring subsystem can be reduced, so that the accuracy of a detection result is ensured.
4. The early warning module subsystem generates an alarm when the resistance values of the second wear plate and the third wear plate are below a predetermined threshold.
5. Infrared range finder removes the in-process and can detect and obtain a plurality of data, and the fluctuation range through judging a plurality of data is greater than predetermineeing the threshold value, reaches the purpose of judging whether the roughness of first antifriction plate meets the requirements.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow chart of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a bridge support and a monitoring subsystem according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of position III of FIG. 2;
fig. 4 is a partial enlarged view of the position iv in fig. 2.
Icon: 11-upper connecting seat, 111-stop block, 12-first wear plate, 13-middle block, 14-second wear plate, 15-third wear plate, 16-supporting seat, 161-accommodating groove, 162-supporting pad, 17-lower connecting seat, 31-monitoring subsystem, 311-movable rod, 312-transmission gear, 313-movable plate, 314-first displacement sensor, 315-reset spring, 316-limiting ring, 317-limiting groove, 318-first compression spring, 319-toothed plate, 320-first fixing plate, 321-rotating shaft, 322-connecting wire, 323-second fixing plate, 324-round rod, 325-protective sleeve, 326-first sliding rail, 328-first waterproof ring, 329-waterproof protrusion, 331-second waterproof ring, 332-first drainage hole, 333-second drainage hole, 334-resistance detector 335, temperature sensor, 336-lithium battery, 337-solar panel, 338-protrusion, 339-second sliding rail, 341-sliding seat, 342-guide cylinder, 343-piston, 344-telescopic tube, 344-351, 345-protection meter, 347-temperature sensor, 336-lithium battery, 337-solar panel, infrared distance measuring device, 37-monitoring subsystem, 37-infrared distance measuring device, 37-data acquisition subsystem, 352-pre-warning processing subsystem, and data acquisition and pre-warning processing subsystem.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "longitudinal", "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only used for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. To simplify the disclosure of embodiments of the invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Moreover, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or configurations discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a bridge safety monitoring, analyzing and managing system, which mainly includes: the system comprises a monitoring subsystem 31, a data acquisition subsystem 36, a transmission subsystem 37, a monitoring data preprocessing subsystem 38 and an early warning module subsystem 39. The monitoring subsystem 31 is used for monitoring the bridge support in real time, the data acquisition subsystem 36 is used for acquiring original data obtained by the monitoring subsystem 31, the transmission subsystem 37 is used for transmitting the original data, the monitoring data preprocessing subsystem 38 is used for preprocessing the obtained original data, the early warning module subsystem 39 is used for carrying out statistical analysis on the data monitored by the monitoring subsystem 31 in real time, and when the data obtained by monitoring is larger than or smaller than a preset threshold value, an alarm is given out.
The bridge bearer comprises an upper connection socket 11, a first wear plate 12, a middle block 13, a second wear plate 14, a third wear plate 15, a connection socket 16 and a lower connection socket 17. Go up connecting seat 11 and be used for connecting the beam slab, first antifriction plate 12 is fixed in the downside of last connecting seat 11, the upside of middle piece 13 is the plane, middle piece 13 and first antifriction plate 12 butt, second antifriction plate 14 fixes the downside at middle piece 13, the downside of second antifriction plate 14 is the sphere, third antifriction plate 15 matches with second antifriction plate 14, and the two activity links to each other, the holding tank 161 that matches with third antifriction plate 15 is seted up to the upside of supporting seat 16, second antifriction plate 14 sets up in holding tank 161, lower connecting seat 17 is used for connecting the stepping stone, supporting seat 16 is fixed in lower connecting seat 17. A stopper 111 is arranged at the lower side edge of the upper connecting seat 11, and the upper part of the lower connecting seat 17 is positioned in the stopper 111.
When friction is generated between the first wear-resistant plate 12 and the middle block 13 and between the third wear-resistant plate 15 and the second wear-resistant plate 14, the first wear-resistant plate 12, the second wear-resistant plate 14 and the third wear-resistant plate 15 are not easy to wear, so that the service cycle of the bridge bearing is prolonged, and the probability that the early warning module subsystem 39 gives an alarm after the wear-resistant plates are seriously worn is reduced.
The bridge safety monitoring, analyzing and managing system can monitor a bridge bearing in real time, does not need to manually carry detection equipment, periodically goes to the site to detect the bridge bearing, counts data monitored in real time by the early warning module subsystem 39, analyzes and monitors the data monitored in real time by the subsystem 31, and sends an alarm when the monitored data is greater than a preset threshold value, so that a safety manager can timely know the condition of the bridge bearing.
Specifically, the method comprises the following steps:
the monitoring subsystem 31 includes a void detection assembly, which includes: a movable rod 311, a transmission gear 312, a movable plate 313, a first displacement sensor 314, and a return spring 315.
Four corners of the lower connecting base 17 are respectively and longitudinally inserted with a movable rod 311. The lower part of the movable rod 311 is fixedly provided with a limiting ring 316, a limiting groove 317 matched with the limiting ring 316 is formed in the lower connecting seat 17, a first pressure spring 318 is sleeved on the movable rod 311, one end of the first pressure spring 318 is fixed on the inner wall of the upper side of the limiting groove 317, and the other end of the first pressure spring 318 is fixed on the limiting ring 316. A toothed plate 319 is fixedly arranged at the lower end of the movable rod 311.
And a transmission gear 312 installed in the lower connection seat 17 through a rotation shaft 321 and engaged with the toothed plate 319.
The movable plate 313 is located at the right side of the transmission gear 312 and connected to the rotating shaft 321 through the connection line 322, and the movable plate 313 can move along the radial direction of the lower connecting seat 17 under the driving of the connection line 322.
The first displacement sensor 314 is radially disposed in the lower connecting seat 17, a first fixing plate 320 is fixedly disposed in the lower connecting seat 17, one end of the first displacement sensor 314 is fixed to the left side of the first fixing plate 320, and the other end of the first displacement sensor 314 is fixed to the right side of the movable plate 313.
And a return spring 315 disposed between the movable plate 313 and the first fixed plate 320.
When the bridge bearing is in a void condition, the void part of the bridge bearing is in a suspended state, the void detection assembly can detect whether the bridge bearing is in the void state or not in time, and an alarm is given through the early warning module subsystem 39 when the bridge bearing is in a void condition.
A second fixed plate 323 is disposed between the first fixed plate 320 and the movable plate 313, circular rods 324 are fixed to the second fixed plate 323 and the movable plate 313, and two ends of the return spring 315 are fixed to the two circular rods 324, respectively. The second fixing plate 323 and the round bar 324 are provided, so that the length of the return spring 315 can be reduced, which is advantageous to cost saving.
A protective sleeve 325 is sleeved on the upper part of the movable rod 311, and the protective sleeve 325 can extend and retract along the self axial direction. The protection sleeve 325 can play a certain role of water and sand prevention so as to prevent the movement of the movable rod 311 from being unnecessarily hindered.
Two first sliding rails 326 are disposed in the lower connecting seat 17 in parallel, and the upper and lower sides of the movable plate 313 are slidably connected to the two first sliding rails 326, respectively. The first slide rail 326 is provided so that the movable plate 313 can better move in the radial direction of the lower connecting seat 17.
The mounting groove has been seted up to the upside of lower connecting seat 17, is provided with first waterproof ring 328 in the mounting groove, and first waterproof ring 328 cup joints with movable rod 311 mutually, and waterproof arch 329 has been set firmly to the upside of first waterproof ring 328. The movable rod 311 is further sleeved with a second waterproof ring 331, and a connecting groove matched with the waterproof protrusion 329 is formed in the lower side of the second waterproof ring 331. First drain hole 332 has been seted up to the axial on the first waterproof ring 328, has seted up the second drain hole 333 with first drain hole 332 intercommunication on the lower connecting seat 17, and second drain hole 333 inclines to set up, and first drain hole 332 and second drain hole 333 are located the outside of waterproof arch 329 to make water before getting into between waterproof arch 329 and the spread groove, just flow along first drain hole 332 and second drain hole 333. The waterproof protrusion 329 is provided to prevent water from entering between the movable rod 311 and the lower connection seat 17 to some extent. The first drain hole 332 and the second drain hole 333 are arranged to achieve the purpose of water prevention by adopting a drainage mode, so as to ensure the waterproof effect.
The stopper 111 is provided with a resistance detector 334, a temperature sensor 335, a lithium battery 336 and a solar panel 337. The resistance detector 334 is used for monitoring the resistance values of the second wear-resistant plate 14 and the third wear-resistant plate 15 in real time, the power lines of the resistance detector 334 and the temperature sensor 335 are connected with the lithium battery 336, and the solar panel 337 is used for charging the lithium battery 336. When the second wear plate 14 and the third wear plate 15 are worn seriously, the thickness of the two wear plates is reduced, and the resistance value is changed correspondingly, and when the resistance values of the second wear plate 14 and the third wear plate 15 are lower than the preset threshold value, the early warning module subsystem 39 gives an alarm.
The lower portion of the stop block 111 is fixedly provided with a convex portion 338 arranged in the radial direction, a second sliding rail 339 is fixed on the convex portion 338, a sliding seat 341 is connected on the second sliding rail 339 in a sliding manner, a guide cylinder 342 is fixed on the sliding seat 341, a piston 343 with a sealing ring is slidably arranged in the guide cylinder 342, an extension pipe 344 is fixed on the upper side of the piston 343, the upper end of the extension pipe 344 abuts against the first wear plate 12, a horizontal plate 345 is fixed in the extension pipe 344, and the infrared distance meter 346 is fixed on the horizontal plate 345 and used for measuring the distance between the first wear plate 12 and the infrared distance meter 346. A notch 347 capable of accommodating the extension pipe 344 and the guide cylinder 342 is formed in the right side of the stopper 111, a second pressure spring is fixed to the left side of the guide cylinder 342, and the left end of the second pressure spring is fixed in the notch 347.
In order to ensure that the first wear plate 12 slides well relative to the intermediate block 13, it is necessary to ensure that the first wear plate 12 has a desired flatness. When the first wear plate 12 slides left and right relative to the middle block 13, the middle block 13 can push the extension pipe 344 to the notch 347, so that the infrared distance meter 346 can detect a plurality of positions of the first wear plate 12, the infrared distance meter 346 can detect a plurality of data in the moving process, and the purpose of judging whether the flatness of the first wear plate 12 meets the requirement is achieved by judging whether the fluctuation range of the plurality of data is larger than a preset threshold value. When the early warning module subsystem 39 judges that the fluctuation amplitude is larger than the preset threshold value, an alarm can be given.
The below of dog 111 is provided with protection section of thick bamboo 348, is provided with second displacement sensor 349 in the protection section of thick bamboo 348, and the upper end of second displacement sensor 349 is connected with butt plate 351 through the connecting axle rotation, and butt plate 351 is fixed in dog 111. The setting of butt plate 351, connecting axle and second displacement sensor 349 can real-time supervision go up the degree of inclination of connecting seat 11. The protective sleeve 348 is configured to provide protection for the second displacement sensor 349.
A supporting pad 162 is disposed in the receiving groove 161, and the third wear plate 15 is fixed to the upper side of the supporting pad 162. A shock-absorbing spring 352 is provided between the support pad 162 and the inner wall of the receiving groove 161. The supporting pad 162 and the damping spring 352 are arranged to achieve a damping effect, and influence of vibration on an electronic instrument used in the monitoring subsystem 31 can be reduced, so that accuracy of a detection result is guaranteed.
The working principle of the bridge safety monitoring, analyzing and managing system is as follows:
the data monitored by the monitoring subsystem 31 in real time is statistically analyzed by the early warning module subsystem 39, and when the monitored data is larger than a preset threshold value, an alarm is given out so that a safety manager can know the condition of the bridge bearing in time. The bridge safety monitoring, analyzing and managing system does not need to manually carry detection equipment, regularly goes to the site to detect the bridge bearing, and can monitor the bridge bearing in real time to reduce the labor intensity and improve the detection efficiency.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A bridge safety monitoring analysis management system is characterized by comprising: the system comprises a monitoring subsystem, a data acquisition subsystem, a transmission subsystem, a monitoring data preprocessing subsystem and an early warning module subsystem;
the monitoring subsystem is used for monitoring the bridge support in real time;
the data acquisition subsystem is used for acquiring the original data obtained by the monitoring subsystem;
the transmission subsystem is used for transmitting the original data;
the monitoring data preprocessing subsystem is used for preprocessing the obtained original data;
the early warning module subsystem is used for carrying out statistical analysis on the data monitored by the monitoring subsystem in real time, and giving an alarm when the monitored data is greater than or less than a preset threshold value;
the bridge support comprises an upper connecting seat, a first wear-resisting plate, a middle block, a second wear-resisting plate, a third wear-resisting plate, a supporting seat and a lower connecting seat; the upper connecting seat is used for connecting a beam plate, the first wear-resisting plate is fixed on the lower side of the upper connecting seat, the upper side of the middle block is a plane, the middle block is abutted against the first wear-resisting plate, the second wear-resisting plate is fixed on the lower side of the middle block, the lower side of the second wear-resisting plate is a spherical surface, the third wear-resisting plate is matched with the second wear-resisting plate and movably connected with the second wear-resisting plate, an accommodating groove matched with the third wear-resisting plate is formed in the upper side of the supporting seat, the second wear-resisting plate is arranged in the accommodating groove, the lower connecting seat is used for connecting a cushion stone, and the supporting seat is fixed on the lower connecting seat; a stop block is arranged at the lower side edge of the upper connecting seat, and the upper part of the lower connecting seat is positioned in the stop block;
the monitoring subsystem includes a void detection assembly, the void detection assembly includes:
the four corners of the lower connecting seat are longitudinally inserted with one movable rod respectively; a limiting ring is fixedly arranged at the lower part of the movable rod, a limiting groove matched with the limiting ring is formed in the lower connecting seat, a first pressure spring is sleeved on the movable rod, one end of the first pressure spring is fixed on the inner wall of the upper side of the limiting groove, and the other end of the first pressure spring is fixed on the limiting ring; a toothed plate is fixedly arranged at the lower end of the movable rod;
the transmission gear is arranged in the lower connecting seat through a rotating shaft and is meshed with the toothed plate;
the movable plate is positioned on the right side of the transmission gear and connected with the rotating shaft through a connecting line, and the movable plate can move along the radial direction of the lower connecting seat under the driving of the connecting line;
the first displacement sensor is radially arranged in the lower connecting seat, a first fixing plate is fixedly arranged in the lower connecting seat, one end of the first displacement sensor is fixed on the left side of the first fixing plate, and the other end of the first displacement sensor is fixed on the right side of the movable plate;
and the reset spring is arranged between the movable plate and the first fixed plate.
2. The bridge safety monitoring, analyzing and managing system according to claim 1, wherein a second fixing plate is disposed between the first fixing plate and the movable plate, round bars are fixed to the second fixing plate and the movable plate, and two ends of the return spring are fixed to the two round bars respectively.
3. The bridge safety monitoring, analyzing and managing system according to claim 1, wherein a protective sleeve is sleeved on the upper portion of the movable rod, and the protective sleeve can axially extend and retract along the protective sleeve.
4. The bridge safety monitoring, analyzing and managing system according to claim 1, wherein two first sliding rails are disposed in the lower connecting seat in parallel, and the upper and lower sides of the movable plate are slidably connected to the two first sliding rails, respectively.
5. The bridge safety monitoring, analyzing and managing system according to claim 1, wherein an installation groove is formed in an upper side of the lower connecting seat, a first waterproof ring is arranged in the installation groove, the first waterproof ring is sleeved with the movable rod, and a waterproof protrusion is fixedly arranged on an upper side of the first waterproof ring; a second waterproof ring is further sleeved on the movable rod, and a connecting groove matched with the waterproof bulge is formed in the lower side of the second waterproof ring; a first water drainage hole is axially formed in the first waterproof ring, a second water drainage hole communicated with the first water drainage hole is formed in the lower connecting seat, the second water drainage hole is obliquely arranged, and the first water drainage hole and the second water drainage hole are located on the outer side of the waterproof bulge.
6. The bridge safety monitoring, analyzing and managing system according to claim 1, wherein a support pad is disposed in the receiving groove, and the third wear-resistant plate is fixed to an upper side of the support pad; the supporting pad with be provided with damping spring between the inner wall of holding tank.
7. The bridge safety monitoring, analyzing and managing system according to any one of claims 1 to 6, wherein a resistance detector, a temperature sensor, a lithium battery and a solar panel are arranged on the stop block; the resistance detector is used for real-time supervision the second antifriction plate with the resistance value of third antifriction plate, the resistance detector with temperature sensor's power cord all with the lithium cell links to each other, solar panel is used for giving lithium cell charging.
8. The bridge safety monitoring, analyzing and managing system according to any one of claims 1 to 6, wherein a radially arranged convex portion is fixedly arranged at a lower portion of the stop block, a second slide rail is fixed on the convex portion, a slide seat is slidably connected to the second slide rail, a guide cylinder is fixed on the slide seat, a piston with a sealing ring is slidably arranged in the guide cylinder, a telescopic pipe is fixed on an upper side of the piston, an upper end of the telescopic pipe abuts against the first wear plate, a transverse plate is fixed in the telescopic pipe, an infrared distance meter is fixed on the transverse plate, and the infrared distance meter is used for measuring a distance between the first wear plate and the infrared distance meter; the right side of the stop block is provided with a notch capable of accommodating the telescopic pipe and the guide cylinder, the left side of the guide cylinder is fixedly provided with a second pressure spring, and the left end of the second pressure spring is fixedly arranged in the notch.
9. The bridge safety monitoring, analyzing and managing system according to any one of claims 1 to 6, wherein a protective cylinder is arranged below the stop block, a second displacement sensor is arranged in the protective cylinder, the upper end of the second displacement sensor is rotatably connected with a butt plate through a connecting shaft, and the butt plate is fixed to the stop block.
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