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CN-121976448-A - Detection device for detecting flatness of bridge construction pavement

CN121976448ACN 121976448 ACN121976448 ACN 121976448ACN-121976448-A

Abstract

The invention relates to the technical field of bridge construction equipment, in particular to a detection device for detecting the flatness of a bridge construction pavement, which comprises a fixed plate, a lifting box, a detection mechanism and a lifting mechanism, wherein a plurality of mounting grooves are formed in the lifting box, the detection mechanism comprises a signal conversion structure and a lifting trigger mechanism, the signal conversion structure comprises a touch screen and a touch pen, a pen point of the touch pen is in butt joint with the touch screen, the lifting trigger mechanism comprises a cover plate, a lifting rod, a motion conversion structure and a reset structure, the lifting rod vertically penetrates through the cover plate and is movably connected with the cover plate, the motion conversion structure is used for converting the vertical motion of the lifting rod into the rotation of the touch pen around the lifting rod, the reset structure is used for providing downward thrust for the lifting rod, and the lifting mechanism is used for adjusting the height of the lifting box.

Inventors

  • TANG XIAOCHUAN
  • ZHAO BO
  • MA CHUN

Assignees

  • 四川省交通建设集团有限责任公司

Dates

Publication Date
20260505
Application Date
20260203

Claims (10)

  1. 1. The detection device for detecting the flatness of the bridge construction pavement is characterized by comprising a fixed plate, a lifting box, a detection mechanism and a lifting mechanism; The fixed plate is connected to the walking device; the lifting box is arranged in parallel with the fixed plate, and a plurality of mounting grooves are formed in the lifting box; The detection mechanism is provided with a plurality of detection mechanisms, each detection mechanism is arranged in each mounting groove and comprises a signal conversion structure and a lifting trigger mechanism, the signal conversion structure comprises a touch screen and a touch pen, the touch screen is horizontally arranged above the mounting grooves, the touch pen is vertically arranged below the touch screen, a pen point of the touch pen is abutted to the touch screen, the lifting trigger mechanism comprises a cover plate, a lifting rod, a motion conversion structure and a reset structure, the cover plate is arranged at the bottom of the mounting grooves in a covering manner, the lifting rod vertically penetrates through the cover plate and is movably connected with the cover plate, the motion conversion structure is connected with the upper end of the lifting rod and the touch pen and is used for converting vertical motion of the lifting rod into rotation of the touch pen around the lifting rod, and the reset structure is used for providing downward thrust for the lifting rod; the lifting mechanism is used for adjusting the height of the lifting box.
  2. 2. The detecting device for detecting the flatness of a bridge construction pavement according to claim 1, wherein the motion converting structure comprises a sleeve and a transmission rod; the side wall of the sleeve is provided with a groove body; one end of the transmission rod is connected with the lifting rod, the other end of the transmission rod is arranged in the groove body in a sliding manner, and the transmission rod drives the sleeve and the stylus to rotate in a directional manner through track guiding of the groove body.
  3. 3. The detection device for detecting the flatness of a bridge construction pavement according to claim 1, wherein the lifting trigger mechanism further comprises an axial limiting structure, and the axial limiting structure comprises a limiting sleeve and a limiting block; The limiting sleeve is coaxially sleeved outside the lifting rod; the limiting block is used for limiting the lifting rod to move along the axis direction of the lifting rod.
  4. 4. The detection device for detecting the flatness of a bridge construction pavement according to claim 1, wherein a chute along the axis direction of the lifter is formed in the side wall of the lifter, and the chute is slidably matched with a stopper of the axial limiting structure.
  5. 5. The detecting device for detecting the flatness of a bridge construction pavement according to claim 1, wherein the return structure includes a fixing ring and a spring; The fixed ring is fixedly connected with the lifting rod; The spring is sleeved on the lifting rod, and two ends of the spring are respectively connected with the fixed ring and the cover plate.
  6. 6. The device for detecting the flatness of a bridge construction pavement according to claim 1, wherein the elevation triggering mechanism further comprises a rolling structure provided at a lower end of the elevation rod for rolling contact with the pavement to reduce friction during the detection.
  7. 7. The detecting device for detecting the flatness of a bridge construction pavement according to claim 2, wherein the motion converting structure further comprises an axis limiting seat, the axis limiting seat is sleeved outside the sleeve, and the axis limiting seat is connected with two ends of the sleeve through bearings.
  8. 8. The detecting device for detecting the flatness of a bridge construction pavement according to claim 1, wherein the elevating mechanism comprises an elevating driver and a connecting plate; the lifting driver is arranged on the fixed plate; The connecting plate is used for connecting the lifting driver and the lifting box.
  9. 9. The apparatus according to claim 8, wherein the elevating mechanism further comprises a plurality of guide members for restricting a moving direction of the elevating box.
  10. 10. The detecting device for detecting the flatness of a bridge construction pavement according to claim 1, wherein the upper end of the lifting box is provided with a protecting structure for protecting the touch screen from dust, impact and sundries in the construction environment.

Description

Detection device for detecting flatness of bridge construction pavement Technical Field The invention relates to the technical field of bridge construction equipment, in particular to a detection device for detecting the flatness of a bridge construction pavement. Background In bridge construction engineering, road surface flatness is one of the core indexes for measuring construction quality, and is directly related to the bearing capacity, service life, traffic safety and comfort of a bridge. Along with the increasing traffic flow and the continuous improvement of engineering quality requirements, higher standards are provided for the detection precision, efficiency and comprehensiveness of the bridge construction pavement evenness. The patent with publication number CN114427822B discloses a road surface leveling detection integrated device for bridge construction, wherein a detection mechanism in the device is in rolling contact with a road surface through a roller at the bottom of a piston box, when the road surface is uneven, the roller drives a piston rod and a piston plate to move up and down, external air is sucked into and conveyed into a reaction box, and the external air reacts with pre-injected nitric oxide to generate reddish brown nitrogen dioxide. The technical scheme is that the color sensor is used for detecting the color depth of gas in the reaction box, the oxygen amount entering the reaction box is indirectly judged, and the road surface flatness is reflected, but the multi-loop joint detection logic of roller rolling, gas conveying, chemical reaction and color recognition is adopted, so that error loss is easy to occur in the signal transmission process, on one hand, factors such as gas mixing uniformity and flow control precision can influence the stability of the chemical reaction, the corresponding relation between color change and the oxygen amount is deviated, on the other hand, the detection result of the color sensor is easy to be interfered by external factors such as ambient light and sensor aging, and the oxygen amount fine change caused by tiny fluctuation of the road surface cannot be accurately captured. The indirect detection mode makes the correlation between the road surface flatness and the detection signal not direct enough, and is difficult to realize accurate quantification of the road surface fluctuation degree, and finally the accuracy of construction quality assessment is affected. Disclosure of Invention To above-mentioned problem, provide a detection device for detecting bridge construction road surface roughness, through setting up elevating system, detection mechanism and elevating system to avoid the error loss of signal transmission in the indirect detection mode, promoted the accuracy of detected signal by a wide margin. The invention provides a detection device for detecting the flatness of a bridge construction pavement, which comprises a fixed plate, a lifting box, a detection mechanism and a lifting mechanism, wherein the fixed plate is connected to a walking device, the lifting box is arranged in parallel with the fixed plate, a plurality of mounting grooves are formed in the lifting box, the detection mechanism is provided with a plurality of detection mechanisms, each detection mechanism is respectively arranged in each mounting groove, the detection mechanism comprises a signal conversion structure and a lifting trigger mechanism, the signal conversion structure comprises a touch screen and a touch pen, the touch screen is horizontally arranged above the mounting grooves, the touch pen is vertically arranged below the touch screen, a pen point of the touch pen is in butt joint with the touch screen, the lifting trigger mechanism comprises a cover plate, a lifting rod, a motion conversion structure and a reset structure, the cover plate is arranged at the bottom of the mounting grooves, the lifting rod vertically penetrates through the cover plate and is movably connected with the cover plate, the motion conversion structure is connected with the upper end of the lifting rod and the touch pen and is used for converting the vertical motion of the lifting rod into rotation of the touch pen around the lifting rod, the reset structure is used for providing downward thrust for the lifting rod, and the lifting mechanism is used for adjusting the height of the lifting box. Preferably, the motion conversion structure comprises a sleeve and a transmission rod, wherein a groove body is formed in the side wall of the sleeve, one end of the transmission rod is connected with the lifting rod, the other end of the transmission rod is arranged in the groove body in a sliding mode, and the transmission rod drives the sleeve and the stylus to rotate in a directional mode through track guiding of the groove body. Preferably, the lifting trigger mechanism further comprises an axial limiting structure, the axial limiting structure comprises a limiting sleeve and a limit