CN113588186B - Auxiliary device for bridge deflection measurement - Google Patents
Auxiliary device for bridge deflection measurement Download PDFInfo
- Publication number
- CN113588186B CN113588186B CN202110886190.1A CN202110886190A CN113588186B CN 113588186 B CN113588186 B CN 113588186B CN 202110886190 A CN202110886190 A CN 202110886190A CN 113588186 B CN113588186 B CN 113588186B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- shaft
- curved
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0008—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of bridges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the field of bridge deflection measurement, in particular to an auxiliary technology for bridge deflection measurement, which comprises a first connecting support column and a protection box, wherein a connecting clamp shaft is movably connected inside the first connecting support column, a movable circular groove matched with the connecting clamp shaft is formed inside the first connecting support column, bolts are uniformly and fixedly connected to the positions, parallel to the connecting clamp shaft, of the outer side of the first connecting support column, gaskets are movably sleeved on the outer sides of the bolts at two sides of the first connecting support column, nuts are fixedly sleeved on the outer sides of the bolts, and a second connecting support column is fixedly connected to the lower end of the connecting clamp shaft. The invention has reasonable design and ingenious structure, can be more convenient to remove the protection device and prolong the service life of the device by the mutual matching of the structures, can be better used for adjusting the use height of the device, is more convenient to use, has good market competitiveness and is worthy of recommendation.
Description
Technical Field
The invention relates to the field of bridge deflection measurement, in particular to an auxiliary technology for bridge deflection measurement.
Background
With the rapid development of national economy, a batch of bridges and grand bridges are built in various places in recent years, and the bridges have various forms, including continuous bridges, cantilever bridges, arch bridges, steel bridges, suspension cable structure bridges and the like. In order to test whether the working performance and construction of the bridge structure meet the design requirements or not, ensure the reliability of bridge operation and provide a basis for acceptance check of bridge completion, static and dynamic load experiments are required to be carried out on the bridge. One important aspect when performing static load testing is the measurement of the deformation, i.e. deflection, of the structure.
The Chinese patent with the application number of CN201820651933.0 discloses a deflectometer for bridge detection, which is characterized in that a positioning rectangular pyramid is arranged at the bottom of a fixing clamping plate to be secondarily fixed with the ground, so that the stability of the deflectometer is greatly improved, and the problem that the device is unstable when the ground is uneven is solved. However, the device cannot ensure that the detection instrument is always in a horizontal state relative to the ground in the use process, and cannot be adjusted according to a required angle.
The Chinese patent with the application number of CN201920763517.4 discloses a bridge load test deflection detection device, which passes through a fixed hole and part of the ground through a fixed pin to be stably connected and supported, and is matched with a movable support leg and a balancing weight to improve the overall stability, and meanwhile, when the device is rotationally folded, the device is matched with the fixation of a magnetic adsorption end cover through the connection of a connecting through hole to be integrally folded and fixed, but the bridge deflection detection is usually carried out in the field, and a survey platform which is set up in advance is not provided, so that the detection device needs to be placed on a slope to be surveyed, the device cannot carry out angle adjustment relative to the slope according to the angle of the slope, and cannot ensure the detection angle of detection equipment, therefore, the bridge detection equipment is further improved according to the actual use condition of the bridge detection equipment.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an auxiliary device for measuring bridge deflection, which is more convenient to remove a protection device and prolong the service life of the device, and is more convenient to adjust the use height of the device.
In order to achieve the purpose, the invention provides the following technical scheme: an auxiliary device for bridge deflection measurement comprises a first connecting support column and a protection box, wherein a controller is arranged in the first connecting support column, the bottom of the first connecting support column is in sliding connection with an independent air bag, the independent air bag is connected with the controller through a telescopic rod, the outer side of the first connecting support column is fixedly connected with a first connecting curved ring through a first fixed connecting shaft, the outer side of the first connecting curved ring is movably connected with a containing clamping shaft, the inner part of the containing clamping shaft is movably connected with a sliding shaft, the containing clamping shaft is fixedly connected with the sliding shaft through an air bag, the air bag is communicated with the controller through an air inlet pipe, the lower end of the sliding shaft is movably connected with a connecting chassis, the middle part of the connecting chassis is provided with a pressure sensor, the bottom of the outer side of the first connecting support column is sleeved with a second connecting curved ring, and a third connecting curved ring is fixedly connected with a fixing mechanism through a fixed connecting telescopic shaft, the sliding shaft is fixedly connected with the first connecting column through a fixing mechanism, and the top of the controller is communicated with the damping air bag through an air pipe.
Preferably, the independent air bags are provided with a plurality of air bags, each independent air bag corresponds to the air bag and the damping air bag one by one, the independent air bags are connected with the air bags and the damping air bags through air distributing valves, and the air distributing valves are arranged in the controller.
Preferably, when the pressure sensors detect that the pressure values are different, the pressure sensors feed back the pressure values to the controller, and the controller enables the corresponding independent air bags to be communicated with the corresponding air bags by controlling the air separating valve.
Preferably, when the pressure values detected by the pressure sensors are the same, the pressure sensors feed back the pressure values to the controller, and the controller controls the gas distributing valve to enable the corresponding independent air bags to be communicated with the shock absorption air bags.
Preferably, the top of the first connecting support column is rotatably connected with the protection box through a bearing, a limiting rod is arranged inside the protection box, the top of the limiting rod is fixedly connected with the detector body through a connecting base, and a damping air bag is arranged at the center inside the protection box.
Preferably, the outer side of the first connecting support column is uniformly and fixedly connected with a second fixed connecting shaft in a place parallel to the accommodating clamping shaft, the outer side of the second fixed connecting shaft is fixedly connected with a curved clamping plate, and an elastic protection base plate is fixedly bonded to the outer side of the curved clamping plate.
Preferably, the even fixedly connected with bent shape fixed plate in the outside of protection box, the inboard of bent shape fixed plate is rotated and is connected with first fixed connection rotation axis, the outside fixedly connected with of first fixed connection rotation axis changes the board, the top fixedly connected with of changeing the board seals up the apron.
Preferably, one side the outside fixedly connected with bent shape connecting plate of commentaries on classics board, the inside swing joint of bent shape connecting plate has the second fixed connection rotation axis, the connection bent plate has been cup jointed in the activity of second fixed connection rotation axis outside, the outside fixed connection elastic connection area of connecting the bent plate, the one side that is connected with bent shape connecting plate evenly seted up on the commentaries on classics board with card axle assorted draw-in groove.
Preferably, fixed establishment is including connecting the plectane, each fixedly connected with spliced pole in the both sides of connecting the plectane, the spliced pole articulates through the ball pivot has fixed bent plate, fixed bent plate cup joints on the sliding shaft, the outside the spliced pole pass through the screw thread post with connect ball fixed connection.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the limiting rod is arranged in the protection box, the top of the limiting rod is fixedly connected with the detector body through the connecting base, the damping airbag is arranged in the center of the protection box and is communicated with the independent airbag through the controller, the limiting rod is a hydraulic telescopic rod, when the detector body ascends or descends according to actual conditions, the limitation of the limiting rod is removed, so that the limiting rod can ascend or descend along with the detector body, after the detector body moves to a proper position, the limiting rod is limited, so that the limiting rod cannot extend or contract, the detector body is limited in height, and the use efficiency of the device is improved; when the surveyed angle of the detector body needs to be adjusted, the damping air bag is expanded to drive the detector body to move and adjust the angle, and after the detector body finds the optimal surveying angle, the detector body is fixed by fixing the limiting rod, so that the surveying precision of the device is improved; when the detector body is surveying, because too many vehicles coming and going on the bridge will produce vibrations, the rigid connection through the gag lever post to the detector body cooperates the flexible coupling of shock attenuation gasbag to the detector body this moment, makes the detector body can not shake, has improved the device's stability.
2. The invention connects the bottom of the first connecting support column with the independent air bag in a sliding way, the outer side of the first connecting support column is fixedly connected with the first connecting curved ring through a first fixed connecting shaft, the outer side of the first connecting curved ring is movably connected with a receiving clamping shaft, the inner part of the receiving clamping shaft is movably connected with a sliding shaft, the receiving clamping shaft is fixedly connected with the sliding shaft through the air bag, the lower end of the sliding shaft is movably connected with a connecting chassis, the middle part of the connecting chassis is provided with a pressure sensor, the pressure value of each connecting chassis is detected through the pressure sensor and fed back to a controller, the controller enables the independent air bag to be communicated with the air bag through controlling a gas distributing valve, and enables the independent air bag with smaller corresponding pressure value to move downwards through controlling the extension of a telescopic rod until the pressure value fed back to the controller by a detection device is the same, thereby enabling the device to be stably fixed on the ground, the problem that the measuring precision is influenced due to the fact that the equipment shakes during working due to the fact that the ground is uneven is solved.
3. The invention is characterized in that a controller is arranged in a first connecting support column, the top of the controller is communicated with a damping air bag through an air pipe, the controller is connected with an independent air bag through a telescopic rod, the air bag is communicated with the controller through an air inlet pipe, a plurality of air distribution valves are arranged in the controller, the independent air bags are respectively in one-to-one correspondence with the air bag and the damping air bag, the lower end of a sliding shaft is movably connected with a connecting chassis, a pressure sensor is arranged in the middle of the connecting chassis, the pressure sensor on each connecting chassis feeds back the detected pressure value to the controller, when the controller obtains that the detected pressure difference value is larger than a preset range, the device is judged to be positioned on a slope, the independent air bags are communicated with the air bags through controlling the air distribution valves, the independent air bags on the side with larger pressure value are controlled to move downwards and are contacted and extruded on the ground, thereby make the gasbag of the great one side of pressure value open, it stretches out to drive the sliding shaft, thereby change the device's horizontality, when the pressure value that records through pressure sensor is the same, the device is in the horizontality, make independent gasbag and shock attenuation gasbag like the intercommunication through the controller this moment, and make independent gasbag and first connection support column internal contact and extrusion through the shrink telescopic link, make the shock attenuation gasbag expand, make the detector body find best survey angle and fix through the mutual regulation with the gag lever post, thereby make the device also can stably fix and effectively measure on slope, the stability of the device has been improved.
Drawings
FIG. 1 is a schematic perspective view of an auxiliary device for measuring bridge deflection according to the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a supporting structure of an auxiliary device for measuring bridge deflection according to the present invention;
FIG. 3 is an enlarged view of a connecting mechanism of the auxiliary device for measuring bridge deflection provided by the invention;
FIG. 4 is a schematic perspective view of a protection box of the auxiliary device for measuring bridge deflection according to the present invention;
FIG. 5 is a schematic view of a bottom buffering three-dimensional structure of a protection box of the auxiliary device for measuring bridge deflection provided by the invention;
FIG. 6 is a sectional view of a protection box structure of an auxiliary device for measuring bridge deflection according to the present invention;
fig. 7 is a schematic front view full-section structural diagram of an auxiliary device for measuring bridge deflection according to the present invention.
Fig. 8 is a schematic diagram of an elastic force fixing three-dimensional structure of the auxiliary device for measuring bridge deflection.
In the figure: 1. a first connecting support column; 2. a first connecting curved ring; 3. an air bag; 4. a first fixed connecting shaft; 5. a second fixed connecting shaft; 6. a curved snap-gauge; 7. an elastic protection backing plate; 8. connecting a chassis; 9. a controller; 10. the telescopic shaft is fixedly connected; 11. a third connecting curved ring; 12. a slide shaft; 13. an independent air bag; 14. a shock-absorbing air bag; 15. a pressure sensor; 16. receiving a clamping shaft; 20. a fixing mechanism; 201. a connecting ball; 202. fixing the curved plate; 203. connecting columns; 204. connecting the circular plate; 22. a curved connection plate; 23. an elastic connecting band; 24. rotating the plate; 25. a curved fixing plate; 26. a rotating shaft; 27. a protection box; 28. a limiting rod; 29. connecting the curved plates; 30. clamping a shaft; 31. a rotating shaft; 32. a detector body; 33. and sealing the cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
As shown in figures 1 to 8, the auxiliary device for measuring the bridge deflection comprises a first connecting support column 1 and a protection box 27, wherein the top of the first connecting support column 1 is rotatably connected with the protection box 27 through a bearing, so that when the device is used for measuring, a detector 32 can rotate the protection box 27 to rotate at multiple angles on the same horizontal plane, the use of workers is facilitated, the operation mode is optimized, and the use efficiency of the device is improved.
The outer side of the protection box 27 is uniformly and fixedly connected with a curved fixing plate 25, the inner side of the curved fixing plate 25 is rotatably connected with a first fixed connecting rotating shaft 26, the outer side of the first fixed connecting rotating shaft 26 is fixedly connected with a rotating plate 24, the upper part of the rotating plate 24 is fixedly connected with a sealing cover plate 33, the outer side of one side rotating plate 24 is fixedly connected with a curved connecting plate 22, the inner part of the curved connecting plate 22 is movably connected with a second fixed connecting rotating shaft 31, the outer side of the second fixed connecting rotating shaft 31 is movably sleeved with a connecting curved plate 29, the outer side of the connecting curved plate 29 is fixedly connected with an elastic connecting belt 23, a clamping groove matched with a clamping shaft 30 is uniformly arranged on one side rotating plate 24 connected with the curved connecting plate 22, firstly, the curved fixing plate 25 is rotatably connected with the rotating plate 24 through the first fixed connecting rotating shaft 26, and the rotating plate 24 is fixedly connected with the sealing cover plate 33, so that a detector body 32 is protected in a sealing space formed by the rotating plate 24 and the sealing cover plate 33 when the detector body is not in use, the situation that the detector is damaged in the transportation process of the device is avoided; secondly, the curved connecting plate 22 arranged on one side of the rotating plate 24 is connected with the elastic connecting belt 23 on the connecting curved plate 29, so that the elastic connecting belt 23 is fixed on the outer side of the rotating plate 24, and a certain shock absorption capacity is provided under the condition that the detector body 32 is inclined and collapsed when not in use, thereby achieving the purpose of protecting the detector body 32; finally, thereby make commentaries on classics board 24 and sealed apron 33 after separating in the commentaries on classics board 24 outside through setting up elastic connection belt 23, commentaries on classics board 24 passes through elastic connection belt 23's restraint, vertical placing all the time in the detector body 32 outside to prevent sealed apron 33 and commentaries on classics board 24 after separating in the transportation, changeing board 24 and losing the restriction power and making detector body 32 expose outside, lead to detector body 32 to take place the condition of colliding with the damage.
The protection box 27 is internally provided with a limiting rod 28, the top of the limiting rod 28 is fixedly connected with the detector body 32 through a connecting base, and the center in the protection box 27 is provided with the damping air bag 14; secondly, when the surveyed angle of the detector body 32 needs to be adjusted, the damping air bag 14 is expanded to drive the detector body 32 to move and adjust the angle, and after the detector body 32 finds the optimal surveyed angle, the limiting rod 28 is fixed to fix the detector body, so that the surveying precision of the device is improved; finally, when the detector body 32 is in exploration, because too many vehicles come and go on the bridge and will shake, the rigid connection of the limiting rod 28 to the detector body 32 is matched with the flexible connection of the damping air bag 14 to the detector body, so that the detector body 32 cannot shake, and the stability of the device is improved.
The controller 9 is arranged in the first connecting and supporting column 1, the top of the controller 9 is communicated with the shock absorption air bag 14 through an air pipe, the controller 9 is connected with the independent air bag 13 through an expansion link, the air bag 3 is communicated with the controller 9 through an air inlet pipe, the air distribution valve is arranged in the controller 9, the shock absorption air bag 14 is communicated with the independent air bag 13 and the air bag 3 through the air distribution valve in the controller 9, so that the air in the independent air bag 13 is sent to different places according to different conditions, when the pressure on the support of the judging device of the controller 9 is different, the independent air bag 13 is communicated with the air bag 13, and the sliding shaft 12 is compensated so that the device can be stably placed on the ground; when the detector body needs to be subjected to angle adjustment and the shock-proof capacity of the device is enhanced, the independent air bag 13 and the shock-proof air bag 14 are communicated, and therefore the stability and the accuracy of the device are improved. Independent gasbag 13 is equipped with a plurality of, every independent gasbag 13 respectively with gasbag 3 and shock attenuation gasbag 14 one-to-one, and independent gasbag 13 is connected with gasbag 3 and shock attenuation gasbag 14 through separating the pneumatic valve, through establishing independent gasbag 13 into a plurality of, and each independent gasbag 13 is through separating pneumatic valve and a gasbag 3 and a shock attenuation gasbag 14 intercommunication, make every independent gasbag 13 all can independently adjust the height of a certain smooth axle 12 and the height of a certain shock attenuation gasbag, thereby realize the accurate regulation placed to the device, and survey the accurate regulation of angle to the device, the stability and the accuracy of the device have been improved. The bottom of a first connecting support column 1 is connected with an independent air bag 13 in a sliding manner, the outer side of the first connecting support column 1 is fixedly connected with a first connecting curved ring 2 through a first fixed connecting shaft 4, the outer side of the first connecting curved ring 2 is movably connected with a containing clamping shaft 16, the inner part of the containing clamping shaft 16 is movably connected with a sliding shaft 12, the containing clamping shaft 16 is fixedly connected with the sliding shaft 12 through an air bag 3, firstly, the pressure value of each connecting chassis 8 is detected through a pressure sensor 15 and fed back to a controller 9, the controller 9 analyzes the detected pressure, when the detected pressure value difference of each connecting chassis 8 is within a preset range, the device is judged to be on the concave-convex ground, the controller 9 enables the independent air bag 13 to be communicated with the air bag 3 through controlling an air distributing valve, and enables the independent air bag 13 with the corresponding pressure value to move downwards through controlling the extension of a telescopic rod, when the moving independent air bag 13 is contacted with the ground and extruded, the air in the independent air bag enters the air bag 3 with a smaller pressure value through the air distributing valve and expands the air bag 3 to drive the corresponding sliding shaft 12 to move downwards, and when the pressure values fed back to the controller 9 by the detection device 15 are the same, all the connecting chassis 8 are positioned in the same plane and fixedly connected with the ground, so that the device is stably fixed on the ground, and the problem that the measurement precision is influenced because the equipment shakes during working due to uneven ground is solved; secondly, when all the connecting chassis 8 are positioned on the same horizontal plane, the controller 9 controls the gas distributing valve to enable the independent air bags 13 to be communicated with the shock absorption air bags 14 and close the communication between the independent air bags 13 and the air bags 3, and in the process, the controller 8 controls the telescopic rods to extend to enable all the independent air bags 13 to be in contact with the ground and extruded, so that part of gas in the independent air bags 13 is transferred into the shock absorption air bags 14, the shock absorption air bags 14 are expanded to drive the detector body 32 to move, and the detector body 32 is always in a horizontal state after the independent air bags 13 are in contact with the ground due to the fact that the ground is the horizontal ground, and working personnel can conveniently operate; finally, when the staff needs to adjust the angle of the detector body 32, the extension length of the independent air bag 13 is changed through the control notification center 9, so that a certain damping air bag 14 contracts or expands, the angle of the detector body 32 changes until the optimal surveying angle is found, the detector body 32 is fixed to the optimal position through locking the limiting rod 28, the surveying effect is more accurate, the vibration generated by vehicles in the process of surveying is reduced through the combined action of the independent air bag and the connecting chassis 8, and the stability of the device is improved.
Lower extreme swing joint of slide shaft 12 has connection chassis 8, connect chassis 8 mid-mounting and have pressure sensor 15, when pressure sensor 15 detected the pressure value inequality, pressure sensor 15 feeds back the pressure value to controller 9, controller 9 makes corresponding independent gasbag 13 and corresponding gasbag 3 intercommunication through control branch pneumatic valve, make all connection bases 8 be in on the same horizontal plane through the removal of controlling independent gasbag 13, the stability of the device is improved, the problem of measuring accuracy is influenced in the skew of device because placing the shakiness has been solved. When the pressure values detected by the pressure sensors 15 are the same, the pressure sensors 15 feed back the pressure values to the controller 9, and the controller 9 controls the gas distributing valve to enable the corresponding independent air bags 13 to be communicated with the shock absorption air bags 14.
The bottom of the outer side of the first connecting support column 1 is sleeved with a second connecting curved ring 11, the place where the outer side of the first connecting support column 1 is parallel to the containing clamping shaft 16 is uniformly and fixedly connected with a second fixed connecting shaft 5, the outer side of the second fixed connecting shaft 5 is fixedly connected with a curved clamping plate 6, the outer side of the curved clamping plate 6 is fixedly bonded with an elastic protection backing plate 7, a third connecting curved ring 11 is fixedly connected with a fixing mechanism 20 through a fixed connecting telescopic shaft 10, a sliding shaft 12 is fixedly connected with the first connecting column 1 through the fixing mechanism 20, the fixing mechanism 20 comprises a connecting circular plate 204, connecting columns 203 are respectively and fixedly connected with the two sides of the connecting circular plate 204, the connecting columns 203 are hinged with fixed curved plates 202 through spherical hinges, the fixed curved plates 202 are sleeved on the sliding shaft 12, the outer connecting columns 203 are fixedly connected with connecting balls 201 through threaded columns, when the device needs to be fixed through the sliding shaft 12, make fixed bent plate 202 cancel the restriction to slide-shaft 12 through wrench movement connection ball 201, after connection chassis 8 on slide-shaft 12 contacts with ground, thereby make fixed bent plate 202 shrink through wrench movement connection ball 201 and make slide-shaft 12 be in half fixed state, and detect the pressure value on each connection chassis 8 through connecting pressure sensor 15 on the chassis 8, make slide-shaft 12 extend through the mutually supporting of independent gasbag 13 and gasbag, when the pressure value on each pressure sensor 15 is the same, form rigid connection between slip-shaft 102 and the telescopic shaft 10 through wrench movement connection ball 201, the flexible connection of cooperation independent gasbag 13 and ground from but the device is under the condition of external vibrations, self can not take place vibrations, the stability of the device has been improved.
Example two
As a further improvement of the above technical solution, when the detection device measures the bridge on a slope, the inventor finds that if the detection device is still implemented by using the above technical solution, the device will be parallel to the slope section of the slope, which is not beneficial to measurement and causes the device to collapse, thereby causing damage to the installation, and therefore, the bridge is measured according to the method described in this embodiment.
The controller 9 is arranged in the first connecting and supporting column 1, the top of the controller 9 is communicated with the damping air bags 14 through an air pipe, the controller 9 is connected with the independent air bags 13 through a telescopic rod, the air bags 3 are communicated with the controller 9 through an air inlet pipe, the air distribution valve is arranged in the controller 9, the independent air bags 13 are provided with a plurality of air distribution valves, each independent air bag 13 is respectively in one-to-one correspondence with the air bags 3 and the damping air bags 14, the independent air bags 13 are connected with the air bags 3 and the damping air bags 14 through the air distribution valves, the lower end of the sliding shaft 12 is movably connected with the connecting chassis 8, the middle part of the connecting chassis 8 is provided with the pressure sensor 15, the limiting rod 28 is arranged in the protecting box 27, the top of the limiting rod 28 is fixedly connected with the detector body 32 through the connecting base, the damping air bags 14 are arranged in the protecting box 27, and when the pressure sensor 15 on each connecting chassis 8 feeds back the detected pressure value to the controller 9, when the detected pressure difference value obtained by the controller 9 is larger than the preset range, the device is judged to be positioned on a slope, the independent air bag 13 is communicated with the air bag 3 by controlling the air separating valve, the independent air bag 13 on the side with larger pressure value is controlled to move downwards and is contacted and extruded on the ground, so that the air bag 3 on the side with larger pressure value is opened, the sliding shaft 12 is driven to extend out, the horizontal state of the device is changed, when the pressure values detected by the pressure sensor 15 are the same, the device is in the horizontal state, the independent air bag 13 is communicated with the damping air bag 14 by the controller 9, the independent air bag 13 is contacted and extruded with the inside of the first connecting support column 1 by contracting the telescopic rod, the damping air bag 14 is expanded, and the detector body 32 finds the optimal angle and is fixed by mutual adjustment with the limiting rod 28, therefore, the device can be stably fixed on a slope and can perform effective measurement, and the stability of the device is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An auxiliary device for bridge deflection measurement comprises a first connecting support column (1) and a protection box (27), and is characterized in that a controller (9) is arranged inside the first connecting support column (1), the bottom of the first connecting support column (1) is in sliding connection with an independent air bag (13), the independent air bag (13) is connected with the controller (9) through an expansion link, the outer side of the first connecting support column (1) is fixedly connected with a first connecting curved ring (2) through a first fixed connecting shaft (4), the outer side of the first connecting curved ring (2) is movably connected with a containing clamping shaft (16), the inside of the containing clamping shaft (16) is movably connected with a sliding shaft (12), the containing clamping shaft (16) is fixedly connected with the sliding shaft (12) through an air bag (3), and the air bag (3) is communicated with the controller (9) through an air inlet pipe, the lower end of the sliding shaft (12) is movably connected with a connecting chassis (8), a pressure sensor (15) is installed in the middle of the connecting chassis (8), a second connecting curved ring (11) is sleeved at the bottom of the outer side of the first connecting supporting column (1), the second connecting curved ring (11) is fixedly connected with a fixing mechanism (20) through a fixedly connected telescopic shaft (10), the sliding shaft (12) is fixedly connected with the first connecting supporting column (1) through the fixing mechanism (20), and the top of the controller (9) is communicated with a damping air bag (14) through an air pipe;
the number of the independent air bags (13) is multiple, each independent air bag (13) corresponds to the air bag (3) and the shock absorption air bag (14) one by one, the independent air bags (13) are connected with the air bags (3) and the shock absorption air bags (14) through air distribution valves, and the air distribution valves are arranged in the controller (9);
when the pressure sensors (15) on the connecting chassis (8) detect that the pressure values are different, the pressure sensors (15) feed back the pressure values to the controller (9), and the controller (9) controls the air distributing valve to enable the corresponding independent air bags (13) to be communicated with the corresponding air bags (3);
when the pressure values detected by the pressure sensors (15) connected to the chassis (8) are the same, the pressure sensors (15) feed back the pressure values to the controller (9), and the controller (9) controls the air distributing valve to enable the corresponding independent air bags (13) to be communicated with the damping air bags (14).
2. The auxiliary device for bridge deflection measurement according to claim 1, wherein the top of the first connecting supporting column (1) is rotatably connected with a protection box (27) through a bearing, a limiting rod (28) is arranged inside the protection box (27), the top of the limiting rod (28) is fixedly connected with a detector body (32) through a connecting base, and a damping air bag (14) is arranged in the center inside the protection box (27).
3. The auxiliary device for bridge deflection measurement according to claim 1, wherein a second fixed connecting shaft (5) is uniformly and fixedly connected to a place where the outer side of the first connecting supporting column (1) is parallel to the containing clamping shaft (16), a curved clamping plate (6) is fixedly connected to the outer side of the second fixed connecting shaft (5), and an elastic protection backing plate (7) is fixedly bonded to the outer side of the curved clamping plate (6).
4. The auxiliary device for bridge deflection measurement according to claim 1, wherein a curved fixing plate (25) is uniformly and fixedly connected to the outer side of the protection box (27), a first fixed connection rotating shaft (26) is rotatably connected to the inner side of the curved fixing plate (25), a rotating plate (24) is fixedly connected to the outer side of the first fixed connection rotating shaft (26), and a sealing cover plate (33) is fixedly connected to the upper side of the rotating plate (24).
5. The auxiliary device for bridge deflection measurement according to claim 4, wherein a curved connecting plate (22) is fixedly connected to the outer side of the rotating plate (24) on one side, a second fixed connecting rotating shaft (31) is movably connected to the inside of the curved connecting plate (22), a connecting curved plate (29) is movably sleeved on the outer side of the second fixed connecting rotating shaft (31), an elastic connecting belt (23) is fixedly connected to the outer side of the connecting curved plate (29), and clamping grooves matched with the clamping shafts (30) are uniformly formed in the rotating plate (24) on one side connected with the curved connecting plate (22).
6. The auxiliary device for bridge deflection measurement according to claim 1, wherein the fixing mechanism (20) comprises a connecting circular plate (204), connecting columns (203) are fixedly connected to two sides of the connecting circular plate (204), the connecting columns (203) are hinged to a fixed curved plate (202) through spherical hinges, the fixed curved plate (202) is sleeved on the sliding shaft (12), and the connecting columns (203) on the outer side are fixedly connected with the connecting balls (201) through threaded columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110886190.1A CN113588186B (en) | 2021-08-03 | 2021-08-03 | Auxiliary device for bridge deflection measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110886190.1A CN113588186B (en) | 2021-08-03 | 2021-08-03 | Auxiliary device for bridge deflection measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113588186A CN113588186A (en) | 2021-11-02 |
| CN113588186B true CN113588186B (en) | 2022-05-17 |
Family
ID=78254380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110886190.1A Active CN113588186B (en) | 2021-08-03 | 2021-08-03 | Auxiliary device for bridge deflection measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113588186B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11391621B2 (en) * | 2017-11-14 | 2022-07-19 | Nec Corporation | Vibration measurement apparatus, vibration measurement method, and computer-readable recording medium |
| CN208672264U (en) * | 2018-08-06 | 2019-03-29 | 武汉飞虹建设监理有限公司 | Science of bridge building management detection device |
| CN109540702B (en) * | 2018-12-24 | 2021-06-04 | 河南理工大学 | Pile soil contact surface shear test system |
| CN210154768U (en) * | 2019-05-09 | 2020-03-17 | 广东荣骏建设工程检测股份有限公司 | Bridge load test deflection detection device |
| CN210037118U (en) * | 2019-07-05 | 2020-02-07 | 中铁西北科学研究院有限公司 | Bridge amount of deflection detection device |
| CN110749461B (en) * | 2019-11-15 | 2024-03-26 | 西南交通大学 | Multi-shaft fatigue vibration rack for railway vehicle |
| CN213579292U (en) * | 2020-11-14 | 2021-06-29 | 杜小兵 | Deflection measuring device for bridge load test |
-
2021
- 2021-08-03 CN CN202110886190.1A patent/CN113588186B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113588186A (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5225867B2 (en) | Weight balancer and pipe connection method | |
| EP0315846B1 (en) | Self-stabilizing rocker pin load cell | |
| CN104748959B (en) | Tri-axial multi-dimensional loading mechanics performance test stand | |
| CN101893517A (en) | Automobile stability parameter test bench and test method using same | |
| CN212123355U (en) | Loading device for rigidity measurement of joint and whole machine of operation type industrial robot | |
| Han et al. | Gravity-off-loading system for large-displacement ground testing of spacecraft mechanisms | |
| CN210037118U (en) | Bridge amount of deflection detection device | |
| US3613443A (en) | Large scale external balance for wind tunnels | |
| CN110715155B (en) | Three-dimensional self-adaptive leveling platform | |
| CN113588186B (en) | Auxiliary device for bridge deflection measurement | |
| CN109466795A (en) | A kind of unmanned helicopter automatically testing platform | |
| JP6680783B2 (en) | Uniformity test system | |
| JP4622721B2 (en) | Tire balance measuring device and measuring method | |
| CN111537671A (en) | Inner wall supporting and positioning device of spherical tank detection robot | |
| CN115164047B (en) | Civil engineering detects with preventing falling spirit level | |
| JP3767324B2 (en) | Large bedrock testing equipment | |
| CN207300536U (en) | Gas chamber aeroelastic model wind tunnel test displacement measurement system | |
| CN116295297A (en) | Portable measuring device that forestry planning design was used | |
| CN112607069B (en) | Can receive expansion formula air supporting gravity compensation device suitable for epoxy is from flat ground | |
| CN109341738B (en) | Tilting and swinging test bed with changeable swinging center | |
| CN112095680B (en) | Vertical and horizontal combined load effect downhill pile model test device | |
| CN113090908A (en) | Surveying and mapping device for construction with high measurement accuracy | |
| KR20180137320A (en) | Life and Performance Test Equipment for a Carrige of a Ladder Truck | |
| WO2023123734A1 (en) | Static test high-dimension large-load adjustable force-bearing platform and testing method | |
| US6722215B2 (en) | Manipulator apparatus with low-cost compliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |