CN117190822B - Bridge displacement detection device - Google Patents
Bridge displacement detection device Download PDFInfo
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- CN117190822B CN117190822B CN202311461998.0A CN202311461998A CN117190822B CN 117190822 B CN117190822 B CN 117190822B CN 202311461998 A CN202311461998 A CN 202311461998A CN 117190822 B CN117190822 B CN 117190822B
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 88
- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 210000005239 tubule Anatomy 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 48
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of bridge displacement detection, and particularly discloses a bridge displacement detection device which comprises a support, a piston output mechanism, a bridge displacement transmission mechanism, a detection panel, tubules and thin optical cables, wherein the piston output mechanism is arranged above the support, the bridge displacement transmission mechanism is arranged above the piston output mechanism, three groups of tubules are connected to the piston output mechanism, the thin optical cables are connected to the bridge displacement transmission mechanism, the detection panel is arranged at one end of the thin optical cables far away from the bridge displacement transmission mechanism, one end of the three groups of tubules far away from the piston output mechanism is connected to the detection panel, and the piston output mechanism comprises a vertical piston mechanism and the like. According to the invention, the piston structure and the horizontal detection mechanism are arranged to display the real-time displacement and the working state of the device on the detection panel which is convenient to observe, so that the problems that the installation position of the bridge displacement detection device which is difficult to solve in the prior art is inconvenient to read the detection result, and the device is easy to fail when working in an outdoor environment for a long time are solved.
Description
Technical Field
The invention belongs to the technical field of bridge displacement detection, and particularly relates to a bridge displacement detection device.
Background
Bridge is a structure which is generally erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like. To accommodate the traffic industry of modern high-speed development, bridges have also been extended to span mountain ranges, poor geology, or to meet other traffic needs to make traffic simpler buildings. The bridge generally consists of an upper structure, a lower structure, a support and an accessory structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a connecting device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment.
In bridge engineering, displacement refers to relative displacement and deformation of a bridge caused by external force in the use process. Displacement detection aims at monitoring the deformation condition of the bridge, and timely discovers and pre-warns potential safety hazards of the structure. Through displacement detection, the health condition of the bridge structure can be accurately estimated, maintenance and repair work can be guided, and the normal operation and the service life of the bridge are ensured.
The existing bridge displacement detection device is arranged at the joint of the beam plate and the bridge pier in many ways and is used for detecting the displacement of the bridge superstructure relative to the bridge pier, but the installation position of the bridge displacement detection device is inconvenient for recording the detection result in terms of the prior art, and meanwhile, the existing detection device is easy to break down when working in an outdoor environment for a long time.
Disclosure of Invention
To above-mentioned condition, for overcoming prior art's defect, this scheme is to the problem that bridge displacement detection device is inconvenient for observation result and work is easy to break down under the outdoor environment, adopt piston structure to convert real-time displacement into liquid column height, the mode of the detection panel of being convenient for observe of show directly perceivedly, reflect the device level condition to detection panel's horizontal detection mechanism through setting up and utilizing the optical signal, under the intervention use of spring, the piston, optical cable and bubble spirit level, the long-range reading of bridge displacement data has been realized, the function of long-term and convenient record bridge displacement testing result has been accomplished, the position of bridge displacement detection device installation that has solved the prior art difficultly is inconvenient for the record testing result, the device is long-term work is easy to break down under the outdoor environment problem simultaneously.
The utility model provides a bridge displacement detection device, through setting up piston structure and horizontal detection mechanism with real-time displacement volume and device operating condition show on the detection panel of being convenient for observe, make the device be convenient for record bridge displacement testing result and can discover self trouble fast.
The technical scheme adopted by the scheme is as follows: the bridge displacement detection device comprises a support, a piston output mechanism, a bridge displacement transmission mechanism, a detection panel, tubules and thin optical cables, wherein the piston output mechanism is arranged above the support, the bridge displacement transmission mechanism is arranged above the piston output mechanism, three groups of tubules are connected onto the piston output mechanism, the thin optical cables are connected onto the bridge displacement transmission mechanism, the detection panel is arranged at one end of each thin optical cable far away from the bridge displacement transmission mechanism, three groups of tubules are connected onto the detection panel at one end of each tubule far away from the piston output mechanism, the piston output mechanism comprises a vertical piston mechanism, a lateral piston mechanism and a front piston mechanism and a rear piston mechanism, and the bridge displacement transmission mechanism comprises a transmission fixing mechanism and a horizontal detection mechanism.
As the scheme further preferably, vertical piston mechanism includes vertical piston bucket, vertical piston plate, spring baffle and spring, the support top is located to vertical piston bucket, the tubule is connected in vertical piston bucket bottom, vertical piston plate locates inside the vertical piston bucket, the spring baffle locates vertical piston bucket top, multiunit the spring is located between vertical piston plate and the spring baffle.
When the hydraulic oil pump is used, hydraulic oil is filled between the vertical piston barrel and the vertical piston plate, when the vertical piston plate is used by the universal ball and moves downwards, the spring stretches, the space between the vertical piston plate and the vertical piston barrel is reduced, the hydraulic oil enters the thin pipe, when the universal ball moves upwards, the spring pulls the vertical piston plate upwards to enable the vertical piston plate to be tightly attached to the universal ball, and the hydraulic oil is sucked between the vertical piston barrel and the vertical piston plate from the thin pipe.
Preferably, the lateral piston mechanism comprises a lateral piston barrel, a lateral piston plate, a lateral support rod and a lateral displacement ring, wherein the lateral piston barrel is arranged on the left side of the vertical piston barrel, the tubules are connected to the bottom of the lateral piston barrel, the lateral piston plate is arranged inside the lateral piston barrel, the lateral support rods are arranged on one side, far away from the lateral piston barrel, of the lateral piston plate, and the lateral displacement ring is arranged on one side, far away from the lateral piston plate, of the lateral support rod.
When the hydraulic fluid filling device is used, hydraulic fluid is filled between the lateral piston barrel and the lateral piston plate, when the connecting rod moves, the side face of the connecting rod acts on the inner side of the lateral displacement ring, the lateral displacement ring drives the lateral support rod to move, the lateral support rod drives the lateral piston plate to move in the lateral piston barrel, when the lateral piston plate moves inwards, the space between the lateral piston barrel and the lateral piston plate is reduced, the hydraulic fluid enters the tubule, when the lateral piston plate moves outwards, the space between the lateral piston barrel and the lateral piston plate is enlarged, and the hydraulic fluid is sucked between the lateral piston barrel and the lateral piston plate from the tubule.
Specifically, the front-back piston mechanism comprises a front-back piston barrel, a front-back piston plate, a front-back support rod and a front-back displacement ring, the front-back piston barrel is arranged on the front side of the vertical piston barrel, the tubules are connected to the bottom of the front-back piston barrel, the front-back piston plate is arranged inside the front-back piston barrel, a plurality of groups of front-back support rods are arranged on one side, far away from the front-back piston barrel, of the front-back piston plate, and the front-back displacement ring is arranged on one side, far away from the front-back piston plate, of the front-back support rod.
When the hydraulic fluid filling device is used, hydraulic fluid is filled between the front piston barrel and the rear piston plate, when the connecting rod moves, the side surface of the connecting rod acts on the inner side of the front and rear displacement ring, the front and rear displacement ring drives the front and rear supporting rods to move, the front and rear supporting rods drive the front and rear piston plates to move in the front and rear piston barrel, when the front and rear piston plates move inwards, the space between the front and rear piston barrel and the front and rear piston plates is reduced, the hydraulic fluid enters the tubules, when the front and rear piston plates move outwards, the space between the front and rear piston barrel and the front and rear piston plates is enlarged, and the hydraulic fluid is sucked between the front and rear piston barrel and the front and rear piston plates from the tubules.
The transmission fixing mechanism comprises a universal ball, a connecting rod, an inserting rod, a telescopic fixing screw, a rotating head, a rotating fixing screw and a fixing plate, wherein the universal ball is arranged on the surface of a vertical piston plate, the connecting rod is arranged above the universal ball, the connecting rod penetrates through a lateral displacement ring and a front-back displacement ring, the inserting rod is inserted into the end portion of the connecting rod, the telescopic fixing screw is inserted into one end, close to the inserting rod, of the connecting rod, the top end of the telescopic fixing screw is in close contact with the outer side of the inserting rod, the rotating head is arranged at one end, far away from the inserting rod, of the telescopic fixing screw, the rotating head and the telescopic fixing screw are arranged in a penetrating mode, and the fixing plate is arranged at one end, far away from the telescopic fixing screw, of the rotating head.
When the LED red light lamp is used, the rotating head is fixed to the side face of the beam plate close to the support, the LED red light lamp is unscrewed to enable the inserting rod to rotate around the rotating fixing screw, the telescopic fixing screw is unscrewed to enable the connecting rod to slide on the inserting rod, the universal ball is perpendicular to the upper portion of the vertical piston plate, and the rotating fixing screw and the telescopic fixing screw are screwed to fix the universal ball and the connecting rod.
Preferably, the level detection mechanism comprises a vertical rod, an optical cable fixing head, a bubble level, a condensing lens, a light-transmitting plate and an LED red light lamp, wherein the vertical rod is arranged above the connecting rod, the optical cable fixing head is penetrated through the top of the vertical rod, one end of the thin optical cable is arranged at the center of the optical cable fixing head, the bubble level is arranged above the vertical rod, the condensing lens is arranged at the bottom of the bubble level, the light-transmitting plate is arranged at the center of the top of the condensing lens, and the LED red light lamp is arranged above the light-transmitting plate.
When the bubble level is in a horizontal state, bubbles in the bubble level are positioned at the center of the bubble level, red light emitted by the LED red light lamp passes through the light-transmitting plate and enters the bubble level, the red light passes through the bubble and then is converged by the condenser and then is emitted into the vertical rod, when the bubble level is inclined, the bubbles in the bubble level move to the edge of the bubble level, and the red light emitted by the LED red light lamp passes through the light-transmitting plate and is absorbed by the dark liquid at the center of the bubble level.
Further, the detection panel comprises a bottom plate, a scale plate, a liquid level pipe, a camera bellows, a reflecting plate and a buoy, wherein three groups of the scale plates are arranged on the surface of the bottom plate, the liquid level pipe is arranged on one side, far away from the bottom plate, of the scale plates, the buoy is arranged inside the liquid level pipe, the camera bellows is arranged on the surface of the bottom plate, the reflecting plate is arranged inside the camera bellows, and one end, far away from the optical cable fixing head, of the thin optical cable is arranged inside the camera bellows.
During the use, fix the bottom plate in bridge bottom or bridge floor railing etc. and conveniently arrive the position, pour into hydraulic liquid into in the liquid level pipe, vertical piston bucket and vertical piston board, side direction piston bucket and side direction piston board, the change of capacity in piston bucket and the front and back piston board can influence the height of hydraulic liquid in the liquid level pipe through the tubule, the buoy floats in the surface of hydraulic liquid, play the effect that prevents that hydraulic liquid volatilizees and conveniently observe liquid level, the scale that has corresponding displacement on the scale plate, conveniently consult the liquid level pipe and read displacement data, when the one end of thin optical cable in bubble spirit level has light to penetrate, the one end of thin optical cable in locating the camera bellows shines light on the reflecting plate.
The beneficial effect that this scheme of adoption above-mentioned structure obtained is as follows:
(1) Compared with the prior art, the invention can push the pistons to move in three directions by arranging the beam plate displacement, and the liquid change in the pistons is displayed on the detection panel by utilizing the long tubules, and the detection panel is arranged at the position easy to reach, so that the effect of more conveniently recording the detection result is achieved.
(2) According to the invention, the purpose of rapidly detecting the working condition of the device at the recording end is achieved by arranging the bubble level which enables the LED red light to pass through the dark shading liquid and displaying the on-off signal of the light path on the detection panel by using the optical cable.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a bridge displacement detection device according to the present embodiment;
fig. 2 is a schematic diagram of a part of a bridge displacement detection device according to the present disclosure;
FIG. 3 is a schematic diagram of a piston output mechanism in this embodiment;
FIG. 4 is a half cross-sectional view of the vertical piston mechanism of the present embodiment;
FIG. 5 is a schematic diagram of the structure of the transmission fixing mechanism in the present embodiment;
FIG. 6 is an enlarged schematic view at A of FIG. 5;
FIG. 7 is a schematic diagram of a horizontal detecting mechanism in the present embodiment;
FIG. 8 is a left side view of the horizontal detecting mechanism in the present embodiment;
FIG. 9 is a partial cross-sectional view of B-B of FIG. 8;
FIG. 10 is a schematic diagram of the structure of the detection panel in the present embodiment;
fig. 11 is a schematic structural diagram of the liquid level tube in this embodiment.
Wherein 1, bracket, 2, piston output mechanism, 3, bridge displacement transmission mechanism, 4, detection panel, 5, tubule, 6, thin optical cable, 21, vertical piston mechanism, 211, vertical piston barrel, 212, vertical piston plate, 213, spring baffle, 214, spring, 22, lateral piston mechanism, 221, lateral piston barrel, 222, lateral piston plate, 223, lateral strut, 224, lateral displacement circle, 23, front and rear piston mechanism, 231, front and rear piston barrel, 232, front and rear piston plate, 233, front and rear strut, 234, front and rear displacement circle, 31, transmission fixing mechanism, 311, universal ball, 312, connecting rod, 313, inserted rod, 314, telescopic fixing screw, 315, rotary head, 316, rotary fixing screw, 317, fixing plate, 32, horizontal detection mechanism, 321, vertical rod, 322, optical cable fixing head, 323, bubble level meter, 324, condenser lens, light transmitting plate, 326, LED red light lamp, 41, bottom plate, 42, scale plate, 43, liquid level tube, 44, camera, 45, reflection plate, 46.
The accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this disclosure, illustrate and do not limit the disclosure.
Detailed Description
The technical solutions in the embodiments of the present solution will be clearly and completely described below with reference to the drawings in the embodiments of the present solution, and it is apparent that the described embodiments are only some embodiments of the present solution, but not all embodiments; all other embodiments, based on the embodiments in this solution, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of protection of this solution.
In the description of the present embodiment, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the present embodiment and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present embodiment.
As shown in fig. 1-11, the bridge displacement detection device provided by the scheme comprises a support 1, a piston output mechanism 2, a bridge displacement transmission mechanism 3, a detection panel 4, tubules 5 and a thin optical cable 6, wherein the piston output mechanism 2 is arranged above the support 1, the bridge displacement transmission mechanism 3 is arranged above the piston output mechanism 2, three groups of tubules 5 are connected to the piston output mechanism 2, the thin optical cable 6 is connected to the bridge displacement transmission mechanism 3, the detection panel 4 is arranged at one end of the thin optical cable 6 far away from the bridge displacement transmission mechanism 3, one end of the three groups of tubules 5 far away from the piston output mechanism 2 is connected to the detection panel 4, the piston output mechanism 2 comprises a vertical piston mechanism 21, a lateral piston mechanism 22 and a front piston mechanism 23, and the bridge displacement transmission mechanism 3 comprises a transmission fixing mechanism 31 and a horizontal detection mechanism 32.
The vertical piston mechanism 21 comprises a vertical piston barrel 211, a vertical piston plate 212, a spring baffle 213 and springs 214, wherein the vertical piston barrel 211 is arranged above the support 1, the thin tube 5 is connected to the bottom of the vertical piston barrel 211, the vertical piston plate 212 is arranged inside the vertical piston barrel 211, the spring baffle 213 is arranged above the vertical piston barrel 211, and a plurality of groups of springs 214 are arranged between the vertical piston plate 212 and the spring baffle 213.
The lateral piston mechanism 22 comprises a lateral piston barrel 221, a lateral piston plate 222, a lateral strut 223 and a lateral displacement ring 224, the lateral piston barrel 221 is arranged at the left side of the vertical piston barrel 211, the thin tube 5 is connected to the bottom of the lateral piston barrel 221, the lateral piston plate 222 is arranged in the lateral piston barrel 221, multiple groups of lateral struts 223 are arranged at one side of the lateral piston plate 222 far away from the lateral piston barrel 221, the lateral displacement ring 224 is arranged at one side of the lateral strut 223 far away from the lateral piston plate 222, the front and rear piston mechanism 23 comprises a front and rear piston barrel 231, a front and rear piston plate 232, a front and rear strut 233 and a front and rear displacement ring 234, the front and rear piston barrel 231 is arranged at the front side of the vertical piston barrel 211, the thin tube 5 is connected to the bottom of the front and rear piston barrel 231, the front and rear piston plate 232 is arranged in the front and rear piston barrel 231, multiple groups of front and rear strut 233 are arranged at one side of the front and rear piston plate 232 far away from the front and rear piston barrel 231, and the front and rear displacement ring 234 is arranged at one side of the front and rear strut 233 far away from the front and rear piston plate 232.
The transmission fixing mechanism 31 comprises a universal ball 311, a connecting rod 312, an inserting rod 313, a telescopic fixing screw 314, a rotating head 315, a rotating fixing screw 316 and a fixing plate 317, wherein the universal ball 311 is arranged on the surface of the vertical piston plate 212, the connecting rod 312 is arranged above the universal ball 311, the connecting rod 312 penetrates through the lateral displacement ring 224 and the front-back displacement ring 234, the inserting rod 313 is inserted into the end part of the connecting rod 312, the telescopic fixing screw 314 is inserted into one end, close to the inserting rod 313, of the connecting rod 312, the top end of the telescopic fixing screw 314 is in close contact with the outer side of the inserting rod 313, the rotating head 315 is arranged at one end, far away from the inserting rod 313, of the telescopic fixing screw 314, the rotating fixing screw 316 penetrates through the rotating head 315 and the telescopic fixing screw 314, and the fixing plate 317 is arranged at one end, far away from the telescopic fixing screw 314, of the rotating head 315.
The level detection mechanism 32 comprises a vertical rod 321, an optical cable fixing head 322, a bubble level 323, a collecting lens 324, a light-transmitting plate 325 and an LED red light lamp 326, wherein the vertical rod 321 is arranged above the connecting rod 312, the optical cable fixing head 322 is penetrated through the top of the vertical rod 321, one end of the thin optical cable 6 is arranged at the center of the optical cable fixing head 322, the bubble level 323 is arranged above the vertical rod 321, the collecting lens 324 is arranged at the bottom of the bubble level 323, the light-transmitting plate 325 is arranged at the center of the top of the collecting lens 324, and the LED red light lamp 326 is arranged above the light-transmitting plate 325.
The detection panel 4 comprises a bottom plate 41, a scale plate 42, a liquid level pipe 43, a camera bellows 44, a reflecting plate 45 and a buoy 46, wherein the three groups of scale plates 42 are arranged on the surface of the bottom plate 41, the liquid level pipe 43 is arranged on one side, far away from the bottom plate 41, of the scale plate 42, the buoy 46 is arranged inside the liquid level pipe 43, the camera bellows 44 is arranged on the surface of the bottom plate 41, the reflecting plate 45 is arranged inside the camera bellows 44, and one end, far away from the optical cable fixing head 322, of the thin optical cable 6 is arranged inside the camera bellows 44.
In particular use, in the first embodiment, the bracket 1 is fixed on the bridge pier or the top member thereof, the bottom plate 41 is fixed on the bridge bottom or the bridge deck railing and other positions which are convenient to reach, the vertical piston mechanism 21, the lateral piston mechanism 22 and the front and rear piston mechanisms 23 are filled with hydraulic fluid, the positions of the lateral piston plate 222 and the front and rear piston plates 232 are adjusted to enable the front and rear displacement rings 234 and 244 to be positioned at the middle positions of the movable ranges, the liquid level of the hydraulic fluid in the corresponding liquid level pipe 43 corresponds to the zero scale on the scale plate 42, the rotating head 315 is fixed on the side surface of the beam plate close to the bracket 1, the LED red light lamp 326 is unscrewed to enable the inserting rod 313 to rotate around the rotating fixing screw 316, the telescopic fixing screw 314 is unscrewed to enable the connecting rod 312 to slide on the inserting rod 313, the universal ball 311 is enabled to pass through the front and rear displacement rings 234 and 244 and vertically contact with the center of the vertical piston plate 212, the vertical piston plate 212 is pushed downwards to the middle position of the vertical piston barrel 211, the spring 214 is stretched by the vertical piston plate 212, the rotating fixing screw 316 and the telescopic fixing screw 314 are screwed to fix the universal ball 311 and the connecting rod 312, and then the corresponding zero scale on the corresponding liquid level plate 42 in the liquid level pipe 43 is adjusted.
When the bridge is displaced vertically, the beam plate drives the bridge displacement transmission mechanism 3 to move, when the vertical piston plate 212 is displaced downwards by the universal ball 311, the spring 214 stretches, the space between the vertical piston plate 212 and the vertical piston barrel 211 is reduced, hydraulic fluid enters the liquid level pipe 43 through the thin pipe 5 to enable the liquid level of the liquid level pipe 43 to rise, when the universal ball 311 moves upwards, the spring 214 pulls the vertical piston plate 212 to be tightly attached to the universal ball 311, the space between the vertical piston plate 212 and the vertical piston barrel 211 is increased, hydraulic fluid enters the space between the vertical piston barrel 211 and the vertical piston plate 212 through the thin pipe 5 from the liquid level pipe 43 under the action of atmospheric pressure, the liquid level in the liquid level pipe 43 drops, when the bridge is displaced leftwards and rightwards, the beam plate drives the connecting rod 312 to move, the side surface of the connecting rod 312 acts on the inner side of the lateral displacement ring 224, the lateral displacement ring 224 drives the lateral support rod 223 to move, the lateral support rod 223 drives the lateral piston plate 222 to move inside the lateral piston barrel 221, when the lateral piston plate 222 moves inwards, the space between the lateral piston barrel 221 and the lateral piston plate 222 is reduced, hydraulic fluid enters the liquid level tube 43 connected with the lateral piston plate 222 through the thin tube 5, the liquid level in the liquid level tube 43 rises, when the lateral piston plate 222 moves outwards, the space between the lateral piston barrel 221 and the lateral piston plate 222 is enlarged, hydraulic fluid enters the space between the lateral piston barrel 221 and the lateral piston plate 222 through the thin tube 5 from the liquid level tube 43 under the action of atmospheric pressure, the liquid level in the liquid level tube 43 connected with the lateral piston plate falls, when the bridge displaces forwards and backwards, the beam plate drives the connecting rod 312 to move, the side surface of the connecting rod 312 acts on the inner side of the front and rear displacement ring 234, the front and rear displacement ring 234 drives the front and rear support rods 233 to move inside the front and rear piston plates 232, when the front and rear piston plates 232 move inward, the space between the front and rear piston barrels 231 and the front and rear piston plates 232 is reduced, hydraulic fluid enters the liquid level tube 43 connected with the front and rear piston barrels 231 through the thin tube 5, so that the liquid level in the liquid level tube 43 rises, when the front and rear piston plates 232 move outward, the space between the front and rear piston barrels 231 and the front and rear piston plates 232 is enlarged, the hydraulic fluid enters the space between the front and rear piston barrels 231 and the front and rear piston plates 232 through the thin tube 5 from the liquid level tube 43 under the action of atmospheric pressure, the liquid level in the liquid level tube 43 connected with the space drops, and when the liquid level in the liquid level tube 43 changes, the position of the buoy 46 changes accordingly, and a recorder can read displacement distances in all directions of a bridge from the scale plate 42.
In the second embodiment, based on the above embodiment, before the bridge displacement transmission mechanism 3 is fixed, the universal ball 311 and the lower part of the connecting rod 312 are required to be perpendicular to the vertical piston plate 212, at this time, the bubble level 323 is horizontally arranged, the bubble in the bubble level 323 is located in the middle of the bubble level 323, the red light emitted by the LED red light lamp 326 passes through the light-transmitting plate 325 and the bubble located in the middle of the bubble level 323, the light is focused by the condenser 324 and enters the end of the thin optical cable 6 located in the optical cable fixing head 322, the light passes through the thin optical cable 6 and exits from the end of the thin optical cable 6 located in the camera bellows 44, the light irradiates the reflecting plate 45 with visible red light spots, when the fixed structure of the bridge displacement transmission mechanism 3 in the device is loosened, at this time, the device cannot accurately detect bridge displacement, at the same time, the bubble level 323 can be inclined, at this time, the bubble in the bubble level 323 can be located at the edge of the bubble level 323, the red light emitted by the LED red light lamp 326 can be absorbed by dark liquid in the bubble level 323, at this time, the red light spots can not be seen on the reflecting plate 45, and whether the device works normally can be determined by observing the red light spots on the reflecting plate 45.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present solution have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit of the solution, the scope of which is defined in the appended claims and their equivalents.
The present embodiment and the embodiments thereof have been described above with no limitation, and the embodiment shown in the drawings is merely one of the embodiments of the present embodiment, and the actual structure is not limited thereto. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the technical solution.
Claims (3)
1. Bridge displacement detection device, including support (1), its characterized in that: the device comprises a support (1), and is characterized by further comprising a piston output mechanism (2), a bridge displacement transmission mechanism (3), a detection panel (4), tubules (5) and thin optical cables (6), wherein the piston output mechanism (2) is arranged above the support (1), the bridge displacement transmission mechanism (3) is arranged above the piston output mechanism (2), three groups of tubules (5) are connected to the piston output mechanism (2), the thin optical cables (6) are connected to the bridge displacement transmission mechanism (3), the detection panel (4) is arranged at one end, far away from the bridge displacement transmission mechanism (3), of the thin optical cables (6), one end, far away from the piston output mechanism (2), of the tubules (5) is connected to the detection panel (4), the piston output mechanism (2) comprises a vertical piston mechanism (21), a lateral piston mechanism (22) and a front piston mechanism and a rear piston mechanism (23), and the bridge displacement transmission mechanism (3) comprises a transmission fixing mechanism (31) and a horizontal detection device (32);
the vertical piston mechanism (21) comprises a vertical piston barrel (211), a vertical piston plate (212), a spring baffle (213) and springs (214), wherein the vertical piston barrel (211) is arranged above the support (1), the thin tube (5) is connected to the bottom of the vertical piston barrel (211), the vertical piston plate (212) is arranged inside the vertical piston barrel (211), the spring baffle (213) is arranged above the vertical piston barrel (211), and a plurality of groups of springs (214) are arranged between the vertical piston plate (212) and the spring baffle (213);
the lateral piston mechanism (22) comprises a lateral piston barrel (221), a lateral piston plate (222), lateral support rods (223) and a lateral displacement ring (224), wherein the lateral piston barrel (221) is arranged on the left side of the vertical piston barrel (211), the thin tube (5) is connected to the bottom of the lateral piston barrel (221), the lateral piston plate (222) is arranged in the lateral piston barrel (221), a plurality of groups of the lateral support rods (223) are arranged on one side, far away from the lateral piston barrel (221), of the lateral piston plate (222), and the lateral displacement ring (224) is arranged on one side, far away from the lateral piston plate (222), of the lateral support rods (223);
the front-rear piston mechanism (23) comprises a front-rear piston barrel (231), a front-rear piston plate (232), a front-rear supporting rod (233) and a front-rear displacement ring (234), the front-rear piston barrel (231) is arranged on the front side of the vertical piston barrel (211), the thin pipe (5) is connected to the bottom of the front-rear piston barrel (231), the front-rear piston plate (232) is arranged in the front-rear piston barrel (231), a plurality of groups of the front-rear supporting rods (233) are arranged on one side, far away from the front-rear piston barrel (231), of the front-rear piston plate (232), and the front-rear displacement ring (234) is arranged on one side, far away from the front-rear piston plate (232), of the front-rear supporting rod (233);
the transmission fixing mechanism (31) comprises a universal ball (311), a connecting rod (312), an inserting rod (313), a telescopic fixing screw (314), a rotating head (315), a rotating fixing screw (316) and a fixing plate (317), wherein the universal ball (311) is arranged on the surface of the vertical piston plate (212), the connecting rod (312) is arranged above the universal ball (311), and the connecting rod (312) penetrates through the lateral displacement ring (224) and the front-back displacement ring (234);
the inserting rod (313) is inserted into the end part of the connecting rod (312), the telescopic fixing screw (314) is inserted into one end, close to the inserting rod (313), of the connecting rod (312), the top end of the telescopic fixing screw (314) is in close contact with the outer side of the inserting rod (313), the rotating head (315) is arranged at one end, far away from the inserting rod (313), of the telescopic fixing screw (314), the rotating fixing screw (316) is arranged at the rotating head (315) and the telescopic fixing screw (314) in a penetrating mode, and the fixing plate (317) is arranged at one end, far away from the telescopic fixing screw (314), of the rotating head (315);
the detection panel (4) comprises a bottom plate (41), a scale plate (42), a liquid level pipe (43), a camera bellows (44), a reflecting plate (45) and a buoy (46), wherein three groups of scale plates (42) are arranged on the surface of the bottom plate (41), the liquid level pipe (43) is arranged on one side, far away from the bottom plate (41), of the scale plate (42), and the buoy (46) is arranged inside the liquid level pipe (43);
the camera bellows (44) are arranged on the surface of the bottom plate (41), the reflecting plate (45) is arranged inside the camera bellows (44), and one end, far away from the optical cable fixing head (322), of the thin optical cable (6) is arranged inside the camera bellows (44).
2. The bridge displacement detection device according to claim 1, wherein: the level detection device (32) comprises a vertical rod (321), an optical cable fixing head (322), a bubble level (323), a collecting lens (324), a light-transmitting plate (325) and an LED red light lamp (326), wherein the vertical rod (321) is arranged above the connecting rod (312), the optical cable fixing head (322) is penetrated through the top of the vertical rod (321), and one end of the thin optical cable (6) is arranged in the center of the optical cable fixing head (322).
3. The bridge displacement detection device according to claim 2, wherein: the bubble level (323) is arranged above the vertical rod (321), the collecting lens (324) is arranged at the bottom of the bubble level (323), the light-transmitting plate (325) is arranged at the center of the top of the collecting lens (324), and the LED red light lamp (326) is arranged above the light-transmitting plate (325).
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