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CN-224231135-U - Auxiliary device for bridge load test detection

CN224231135UCN 224231135 UCN224231135 UCN 224231135UCN-224231135-U

Abstract

The utility model provides an auxiliary device for bridge load test detection, which comprises a movable base, a sensor bearing mechanism, a cleaning mechanism and a lifting mechanism, wherein the sensor bearing mechanism is arranged at the upper end of the movable base and comprises a mounting plate, a box body fixed at one side of the upper end of the mounting plate, electric push rods respectively fixed at four corners of the bottom in the box body, and L-shaped blocking sheets arranged on the outer walls of the top ends of telescopic ends of the electric push rods, the top ends of the telescopic ends of the electric push rods are provided with contact blocks, the contact blocks are provided with pressure sensors, the box body is provided with controllers, the controllers are respectively and electrically connected with the pressure sensors and the electric push rods, the cleaning mechanism is used for scraping or cleaning the lower end face of a bridge, and the lifting mechanism is used for lifting the mounting plate. The bridge pressure monitoring device can monitor and detect the pressure states between four corners of the sensor and the bridge, avoid the problems of damage and non-fitting caused by overlarge or overlarge pressure applied to the sensor, clean the bridge floor, enable the sensor to be fully contacted with the bridge, promote the fixing effect and ensure the accuracy of the detection result.

Inventors

  • LI GUOZHEN
  • LUO LIANG
  • SHI XUTAO
  • WANG WEN

Assignees

  • 陕西新西商工程科技有限公司

Dates

Publication Date
20260512
Application Date
20250627

Claims (10)

  1. 1. Auxiliary device that bridge load test detected, its characterized in that includes: The movable base (1) comprises a base (11) and self-locking universal wheels (12) arranged at four corners of the bottom of the base (11); The sensor bearing mechanism (2) is arranged at the upper end of the movable base (1) and comprises a mounting plate (21), a box body (22) fixed at one side of the upper end of the mounting plate (21), electric push rods (23) respectively fixed at four corners of the inner bottom of the box body (22) and L-shaped baffle plates (24) respectively arranged at the outer walls of the top ends of the telescopic ends of the electric push rods (23), the L-shaped baffle plates (24) are arranged to enclose to form an accommodating space for accommodating the detection sensor (3), a contact block (231) is arranged at the top end of the telescopic end of the electric push rod (23), a pressure sensor (25) is arranged on the contact block (231), a controller (6) is arranged on the box body (22), and the controller (6) is respectively electrically connected with the pressure sensor (25) and the electric push rod (23); The cleaning mechanism (4) is arranged on the mounting plate (21) at one side of the box body (22) and is used for scraping or cleaning the lower end surface of the bridge; And the lifting mechanism (5) is arranged between the base (11) and the mounting plate (21) and is used for lifting the mounting plate (21).
  2. 2. The auxiliary device for bridge load test detection according to claim 1, wherein the cleaning mechanism (4) comprises a mounting block (41) fixed on the mounting plate (21), a bar-shaped supporting arm (42) rotatably connected to the upper end of the mounting block (41), a shielding plate (43) slidably arranged on the upper end of the bar-shaped supporting arm (42), and a scraper (44) fixed on one side of the upper end of the shielding plate (43) close to the mounting block (41); The strip-shaped supporting arm (42) is provided with a sliding control mechanism (45) for controlling the shielding plate (43) to slide back and forth along the length direction of the strip-shaped supporting arm (42); The mounting block (41) is provided with a rotation control mechanism (46) for driving the strip-shaped supporting arm (42) to rotate, and the strip-shaped supporting arm (42) is completely positioned at the left side of the upper end of the box body (22) after rotating for a certain angle.
  3. 3. The auxiliary device for bridge load test detection according to claim 2, wherein the sliding control mechanism (45) comprises a sliding groove (451) formed in the upper surface of the bar-shaped supporting arm (42) along the length direction, a sliding block (452) arranged in the sliding groove (451) in a sliding manner, a screw rod (454) connected in the sliding groove (451) in a rotating manner through a first bearing (453) and a first motor (455) arranged on the outer wall of one end of the bar-shaped supporting arm (42), an output shaft of the first motor (455) is fixedly connected with one end of the screw rod (454), and the sliding block (452) is connected to the screw rod (454) through threads; the lower end of one side of the shielding plate (43) close to the mounting block (41) is fixedly connected with the upper end of the sliding block (452).
  4. 4. The auxiliary device for bridge load test detection according to claim 2, wherein the auxiliary device comprises a main body A cavity (411) is formed in the middle of the mounting block (41), a first rotating shaft (413) is rotated in the middle of the cavity (411) through a second bearing (412), and the top end of the first rotating shaft (413) is fixedly connected with the lower end of one side, close to the mounting block (41), of the strip-shaped supporting arm (42); The rotary control mechanism (46) comprises a first bevel gear (461) fixedly sleeved on the outer wall of the first rotating shaft (413), a second rotating shaft (462) rotatably connected to one side wall of the cavity (411), and a second bevel gear (463) fixedly sleeved on the outer wall of the second rotating shaft (462), wherein one end of the second rotating shaft (462) extends out of the outer wall of the mounting block (41) and is fixedly connected with an output shaft of a second motor (464) fixedly arranged on the outer wall of the mounting block (41), and the second bevel gear (463) is meshed with the first bevel gear (461).
  5. 5. An auxiliary device for bridge load test detection according to claim 3, wherein the upper surface of the shielding plate (43) is an inclined surface, and the inclined surface gradually decreases from the side close to the scraper (44) to the side far from the scraper (44); When the slider (452) slides to a side close to the mounting block (41), the shielding plate (43) completely covers the box body (22).
  6. 6. An auxiliary device for bridge load test detection according to any of claims 2-5, wherein the scraper (44) is detachably connected to the shielding plate (43).
  7. 7. The auxiliary device for bridge load test detection according to claim 6, wherein a groove (431) is formed in one side of the upper surface of the shielding plate (43), a first threaded hole (432) communicated with the groove (431) is formed in one side wall of the shielding plate (43), a fixing bolt (433) is connected to the first threaded hole (432) in a threaded mode, an inserting block (441) matched with the groove (431) is fixedly arranged at the lower end of the scraper (44), and a second threaded hole (442) matched with the fixing bolt (433) is formed in one side of the inserting block (441).
  8. 8. The auxiliary device for bridge load test detection according to claim 1, wherein two L-shaped blocking pieces (24) are respectively arranged on adjacent outer side walls of the top ends of the telescopic ends of the electric push rods (23), and the accommodating space formed inside each L-shaped blocking piece (24) is rectangular.
  9. 9. The auxiliary device for bridge load test detection according to claim 1, wherein the lifting mechanism (5) comprises a first lifting mechanism (51) and a second lifting mechanism (52), the first lifting mechanism (51) and the second lifting mechanism are fixedly connected through a connecting plate (53), the lower end of the first lifting mechanism (51) is connected with the base (11), and the upper end of the second lifting mechanism (52) is fixedly connected with the mounting plate (21).
  10. 10. The auxiliary device for bridge load test detection according to claim 9, wherein the first lifting mechanism (51) is a scissor lifting bracket; the second lifting mechanism (52) is a hydraulic or pneumatic telescopic column.

Description

Auxiliary device for bridge load test detection Technical Field The utility model relates to the technical field of bridge detection equipment, in particular to an auxiliary device for bridge load test detection. Background Along with the rapid development of economic construction in China, highway engineering is also increased. Bridges play a very important role in the development of economies as an important part in traffic. In recent years, various bridges are built in China, and the bridges are required to be monitored in real time in the construction and use processes so as to ensure the smooth construction and safe use. The bridge is fixed to the bottom of the bridge in the detection process, and at present, lifting equipment for assisting in the installation of the sensor is convenient to fix the sensor at the bottom of the bridge, and a scaffold is not required to be erected or a platform provided by a bridge detection vehicle and the like is not required to be manually installed, so that the working intensity and the workload of workers are reduced. However, the existing auxiliary device for bridge load test detection has the defects that firstly, the distance from the ground to the lower end face of the bridge is different, the fixing degree of the sensor cannot be guaranteed only by abutting the mounting plate on the lower end of the sensor, when the pressure of the mounting plate acting on the sensor is too large, the sensor is easy to damage, and if the pressure acting on the sensor is too small, the sensor cannot be fully contacted with the bridge, so that a test result is inaccurate, and secondly, dust or sundries are often attached to the lower end face of the bridge, and the sensor cannot be attached to the lower end face of the bridge, so that the detection result is influenced. In view of the above, there is a need to design an auxiliary device for bridge load test detection that overcomes the above-mentioned problems. Disclosure of utility model The utility model aims to provide an auxiliary device for bridge load test detection, which overcomes the problems. In order to achieve the purpose, the technical scheme adopted by the utility model is that the auxiliary device for bridge load test detection comprises: The movable base comprises a base and self-locking universal wheels arranged at four corners of the bottom of the base; The sensor bearing mechanism is arranged at the upper end of the movable base and comprises a mounting plate, a box body fixed at one side of the upper end of the mounting plate, electric push rods respectively fixed at four corners of the inner bottom of the box body, and L-shaped baffle plates respectively arranged on the outer walls of the top ends of the telescopic ends of the electric push rods, wherein each L-shaped baffle plate encloses an accommodating space for accommodating a detection sensor, a contact block is arranged at the top end of the telescopic end of the electric push rod, a pressure sensor is arranged on the contact block, and a controller is arranged on the box body and is respectively electrically connected with the pressure sensor and the electric push rod; the cleaning mechanism is arranged on the mounting plate at one side of the box body and is used for scraping or cleaning the lower end surface of the bridge; and the lifting mechanism is arranged between the base and the mounting plate and is used for lifting the mounting plate. The aim and the technical problems of the utility model can be further realized by adopting the following technical measures. Further, the cleaning mechanism comprises a mounting block fixed on the mounting plate, a strip-shaped supporting arm rotatably connected to the upper end of the mounting block, a shielding plate slidably arranged at the upper end of the strip-shaped supporting arm, and a scraper fixed at one side of the upper end of the shielding plate, which is close to the mounting block; the strip-shaped supporting arm is provided with a sliding control mechanism for controlling the shielding plate to slide back and forth along the length direction of the strip-shaped supporting arm; The mounting block is provided with a rotation control mechanism for driving the strip-shaped supporting arm to rotate, and the strip-shaped supporting arm is completely positioned at the left side of the upper end of the box body after rotating for a certain angle. Further, the sliding control mechanism comprises a sliding groove formed in the upper surface of the bar-shaped supporting arm along the length direction, a sliding block arranged in the sliding groove in a sliding manner, a screw rod rotatably connected in the sliding groove through a first bearing, and a first motor arranged on the outer wall of one end of the bar-shaped supporting arm, wherein an output shaft of the first motor is fixedly connected with one end of the screw rod, and the sliding block is connected to the screw rod through threads; the lower