Auxiliary device for bridge load test detection
By designing an auxiliary device, the contact stability between the sensor and the bridge is improved by using cleaning brushes and shrapnel, the problem of debris affecting data accuracy in bridge load test detection is solved, and more efficient and accurate sensor installation and data are achieved. collection.
Patent Information
- Application Number
- CN202421002796.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-10
AI Technical Summary
During the bridge load test and detection, the contact fit degree is affected by debris at the bottom of the bridge during the installation, resulting in the data accuracy and the accuracy of staff judgment.
An auxiliary device is designed, including a support seat, a rotary load disk, a lift tube, an electronically controlled screwdriver and a cleaning brush. By cleaning the debris at the bottom of the bridge, the shrapnel pushes the sensor to increase the contact stability with the bridge bottom, and improves the sensor's Installation efficiency and accuracy.
It effectively prevents debris such as gravel fly ash from affecting the sensor's induction effect, enables staff to correctly judge the bridge body data, and improves the contact stability between the sensor and the bridge bottom, thereby improving the accuracy and efficiency of detection.
Smart Images
Figure CN222280084U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bridge load test detection, and in particular relates to an auxiliary device for bridge load test detection. Background Art
[0002] Bridge load test inspection is a key task, which aims to evaluate the performance and safety of bridge structures when bearing actual traffic loads. Measuring points and sensors are installed on the bridge structure to record data such as load stress, strain and deformation, including strain gauges, accelerometers, displacement sensors and other sensor groups, to collect data and monitor in real time during the load test, so as to understand the response of the bridge structure at any time. At present, when installing these sensors, special adhesives or bolts are usually used for fixing. Different installation methods are selected according to different sensor types. There are many lifting devices that drive the sensors to be lifted and installed to the bottom of the bridge, replacing the traditional method of building climbing frames, which improves work efficiency. However, in actual use, debris such as gravel and fly ash are prone to appear at the installation position at the bottom of the bridge, which affects the contact and fit between the sensor and the bridge body, thereby affecting the working accuracy of the sensor, and then affecting the staff's correct judgment of the bridge body data. Utility Model Content
[0003] The utility model provides an auxiliary device for bridge load test detection, which has the characteristics of improving the installation efficiency of detection sensors and improving the accuracy of sensors.
[0004] The utility model provides the following technical scheme: it comprises a support seat, the top of the support seat is fixedly connected with a accommodating bin, the inner wall of the accommodating bin is rotatably connected with a rotating carrier, the rotating carrier is provided with a plurality of storage slots, the inner walls of the plurality of storage slots are slidably connected with lifting tubes, the inner wall of the accommodating bin is fixedly connected with a fixed central column, a first telescopic machine is installed in the fixed central column, an output end of the first telescopic machine is fixedly connected with a carrier plate, the top of the carrier plate is rotatably connected with two electric-controlled screwdrivers, a second telescopic machine is installed in the carrier plate, a mounting box is arranged at the top of the rotating carrier, both sides of the mounting box are slidably connected with sliding plates, the inner walls of the two sliding plates are rotatably connected with screws, the screws are threadedly connected to the corresponding inner walls of the mounting box, the inner wall of the mounting box is fixedly connected with a spring piece for pushing a sensor, the electric-controlled screwdriver is plugged into one end of the corresponding screw, the side wall of the support seat is rotatably connected with a U-shaped rotating bracket, the top of the U-shaped rotating bracket is fixedly connected with an inner protective cover, the inner wall of the inner protective cover is rotatably connected with a driving rod, and a cleaning brush is installed at the top of the driving rod.
[0005] Wherein, a connection slot is provided at the top of the lifting tube, a first magnetic plate for adsorbing the installation box is fixedly connected to the inner wall of the connection slot, and the sliding plate is snap-connected to the inner wall of the connection slot.
[0006] Wherein, two first springs are fixedly connected to the inner wall of the storage tank, and the first springs are fixedly connected to the top end of the lifting tube.
[0007] Wherein, a second magnetic plate for adsorbing the sensor is fixedly connected to the top of the spring sheet, and the second magnetic plate is slidably connected to the inner wall of the installation box.
[0008] Wherein, the side wall of the inner protective cover is slidably connected to the outer protective cover, and a plurality of second springs are fixedly connected between the outer protective cover and the inner protective cover.
[0009] The beneficial effects of the utility model are: the bottom of the bridge body is cleaned by a cleaning brush to prevent debris such as gravel and fly ash from being sandwiched between the bridge body and the sensor and affecting the normal sensing effect of the sensor, thereby enabling the staff to correctly judge the bridge body data; the sensor is pushed upward by the spring piece, thereby increasing the stability of the contact between the sensor and the bottom of the bridge, thereby improving the effect of the sensor.
[0010] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0012] Figure 2 It is a side view structural schematic diagram of the utility model;
[0013] Figure 3 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;
[0014] Figure 4 for Figure 1 A schematic diagram of the enlarged structure of the middle B part;
[0015] Figure 5 It is a three-dimensional enlarged structural schematic diagram of the lifting tube and the installation box in the utility model.
[0016] In the figure: 1. support base; 2. containing compartment; 3. rotating carrier; 31. storage slot; 32. lifting tube; 321. connecting slot; 322. first magnetic plate; 33. first spring; 4. fixed center column; 41. first telescopic machine; 42. carrier plate; 43. electric screwdriver; 44. second telescopic machine; 5. installation box; 51. sliding plate; 52. screw; 53. spring; 531. second magnetic plate; 6. U-shaped rotating bracket; 61. inner protective cover; 62. driving rod; 621. cleaning brush; 63. outer protective cover; 64. second spring. DETAILED DESCRIPTION
[0017] See also Figure 1-Figure 5The utility model provides the following technical solutions: including a support base 1, a storage bin 2 is fixedly connected to the top of the support base 1, a rotating carrier 3 is rotatably connected to the inner wall of the storage bin 2, a plurality of storage slots 31 are opened on the rotating carrier 3, and a plurality of storage slots 31 are slidably connected to the inner walls of the storage slots 31. A fixed central column 4 is fixedly connected to the inner wall of the storage bin 2, a first telescopic machine 41 is installed in the fixed central column 4, an output end of the first telescopic machine 41 is fixedly connected to a carrier plate 42, two electric-controlled screwdrivers 43 are rotatably connected to the top of the carrier plate 42, a second telescopic machine 44 is installed in the carrier plate 42, and a rotating A mounting box 5 is provided at the top of the transfer plate 3, and sliding plates 51 are slidably connected to both sides of the mounting box 5. The inner walls of the two sliding plates 51 are rotatably connected with screws 52, and the screws 52 are threadedly connected to the corresponding inner walls of the mounting box 5. The inner wall of the mounting box 5 is fixedly connected with a spring 53 for pushing the sensor, and the electric screwdriver 43 is inserted into one end of the corresponding screw 52. The side wall of the support seat 1 is rotatably connected with a U-shaped rotating bracket 6, and the top of the U-shaped rotating bracket 6 is fixedly connected with an inner protective cover 61, and the inner wall of the inner protective cover 61 is rotatably connected with a driving rod 62, and a cleaning brush 621 is installed on the top of the driving rod 62.
[0018] In this embodiment: the support seat 1 supports each component of the device, the lifting structure at the bottom of the support seat 1 can facilitate the lifting device to reach the bottom of the bridge, the storage chamber 2 supports the internal components and provides external protection, the rotating carrier 3 is designed for rotation, the rotating carrier 3 is driven to rotate by the motor inside the storage chamber 2, and the rotating carrier 3 makes way for the lifting tube 32 and the installation box 5 through a number of storage slots 31, the fixed center column 4 is in a fixed state inside the storage chamber 2, and the output end of the first telescopic machine 41 inside the fixed center column 4 points vertically upward, the first telescopic machine 41 drives the carrier plate 42 to lift, and the carrier plate 42 drives the two electric-controlled screwdrivers 43 and the second telescopic machine 44 to slide upward, and the carrier plate 42 is driven by the internal The driving motor drives the electric screwdriver 43 to rotate, so that the electric screwdriver 43 can complete the work of driving the screw rod 52 to rotate. The first telescopic machine 41 lifts the lifting tube 32 through the second telescopic machine 44. When the installation box 5 contacts the bridge ground, the first telescopic machine 41 continues to lift, and the second telescopic machine 44 shortens synchronously, so that the electric screwdriver 43 can continue to dock with the screw rod 52 upward. The lifting tube 32 supports the installation box 5, and the internal space of the installation box 5 accommodates the sensor. When the second telescopic machine 44 pushes the lifting tube 32 upward, the lifting tube 32 drives the installation box 5 to lift upward, so that the installation box 5 can drive the sensor to the installation position at the bottom of the bridge. After the box 5 and the sensor are in contact with the bottom of the bridge, the electric screwdriver 43 drives the screw 52 to rotate, the screw 52 drills into the bottom of the bridge, and the screw 52 drives the slide plate 51 to slide upward, so that the installation box 5 can drive the sensor to complete the installation work on the bottom of the bridge, and the spring 53 pushes the sensor upward, thereby increasing the stability of the contact between the sensor and the bottom of the bridge, thereby improving the effect of the sensor, the support seat 1 supports the U-shaped rotating bracket 6, and the U-shaped rotating bracket 6 is controlled to rotate by the motor in the support seat 1. When the U-shaped rotating bracket 6 drives the inner protective cover 61 to a vertical upward angle, the inner protective cover 61 contacts the bottom of the bridge, and the inner protective cover 61 drives the cleaning brush 621 to rotate through the driving rod 62 The driving rod 62 is driven to rotate by the internal driving motor of the inner protective cover 61. The inner protective cover 61 shields the working area of the cleaning brush 621 from the outside, thereby preventing the dust and impurities from spreading. After cleaning, it prevents debris such as gravel and fly ash from being sandwiched between the bridge body and the sensor and affecting the normal sensing effect of the sensor, so that the staff can correctly judge the bridge body data, and control the U-shaped rotating bracket 6 to drive the inner protective cover 61 to rotate, so that the opening above the accommodating bin 2 is no longer blocked by the U-shaped rotating bracket 6, which is convenient for subsequent sensor installation work. By rotating the multiple sensors arranged in the carrier 3, the sensors can be installed at other positions through the movement of the device, thereby improving efficiency.
[0019] A connecting slot 321 is provided at the top of the lifting tube 32, and a first magnetic plate 322 for adsorbing the installation box 5 is fixedly connected to the inner wall of the connecting slot 321, and the sliding plate 51 is snap-connected to the inner wall of the corresponding connecting slot 321; the lifting tube 32 limits the installation box 5 and the sliding plate 51 through the connecting slot 321 to prevent the installation box 5 from rotating on its own, and the first magnetic plate 322 adsorbs the installation box 5 so that the installation box 5 can remain stable when being used, preventing the installation box 5 from shaking in the storage slot 31.
[0020] Two first springs 33 are fixedly connected to the inner wall of the storage slot 31, and the first springs 33 are fixedly connected to the top of the lifting tube 32; the first springs 33 push the lifting tube 32 downward, so that the lifting tube 32 can drive the installation box 5 to rotate inside the accommodating bin 2 and maintain stability, further preventing the installation box 5 from shaking in the storage slot 31, thereby protecting the sensor from damage.
[0021] The top of the spring piece 53 is fixedly connected to a second magnetic plate 531 for adsorbing the sensor, and the second magnetic plate 531 is slidably connected to the inner wall of the installation box 5; the spring piece 53 pushes the second magnetic plate 531 upward, and the spring piece 53 uses the second magnetic plate 531 to adsorb the bottom of the sensor. A patch can be set at the bottom of the sensor for easy adsorption, thereby improving the stability of the sensor inside the installation box 5 and preventing the sensor from detaching.
[0022] The side wall of the inner protective cover 61 is slidably connected to the outer protective cover 63, and a plurality of second springs 64 are fixedly connected between the outer protective cover 63 and the inner protective cover 61; when the cleaning brush 621 cleans the bridge bottom installation area, the inner protective cover 61 contacts the bridge bottom through the outer protective cover 63, and moves upward by the control device. The outer protective cover 63 slides downward under the reaction force of the bridge bottom, and the second springs 64 elastically support the outer protective cover 63, so that the cleaning brush 621 can contact the bridge bottom for cleaning. The outer protective cover 63 cooperates with the inner protective cover 61 to intercept and carry the dust and garbage generated in the cleaning area of the cleaning brush 621, to prevent the dust and garbage from spreading to the top of the sensor inside the installation box 5.
[0023] The working principle and use process of the utility model are as follows: when installing sensors at the bottom of the bridge body, the sensors are placed one by one into a plurality of installation boxes 5, and then the support seat 1 is driven to the bottom of the bridge body by the bottom lifting device, and then the outer protective cover 63 is controlled to contact the installation area at the bottom of the bridge body, and the control device is moved upward, and the outer protective cover 63 slides downward under the reaction force of the bottom of the bridge, and the second spring 64 elastically supports the outer protective cover 63, so that the cleaning brush 621 can contact the bottom of the bridge for cleaning, and the outer protective cover 63 cooperates with the inner protective cover 61 to intercept and carry the dust and garbage generated in the cleaning area of the cleaning brush 621, and prevent the dust and garbage from spreading to the top of the sensor inside the installation box 5, and then the U-shaped rotating bracket 6 is controlled to drive the inner protective cover 61 to rotate, so that the opening above the accommodating bin 2 is no longer blocked by the U-shaped rotating bracket 6 at this time, which is convenient for subsequent sensing. During the installation of the sensor, the first telescopic machine 41 is controlled to push the carrier plate 42 to drive the electric screwdriver 43 and the second telescopic machine 44 to contact the lifting tube 32 upward, and the second telescopic machine 44 drives the lifting tube 32 to lift upward, and the lifting tube 32 drives the sensor to be exposed from the top opening of the accommodating chamber 2 through the installation box 5. When the installation box 5 and the sensor are in contact with the bottom of the bridge, the first telescopic machine 41 continues to lift, and the second telescopic machine 44 is shortened synchronously, so that the electric screwdriver 43 can continue to dock with the screw rod 52 upward, and the electric screwdriver 43 drives the screw rod 52 to rotate, and the screw rod 52 drills into the bottom of the bridge, and the screw rod 52 drives the sliding plate 51 to slide upward, so that the installation box 5 can drive the sensor to complete the installation work on the bottom of the bridge, and the spring piece 53 pushes the sensor upward, thereby increasing the stability of the contact between the sensor and the bottom of the bridge, and further improving the effect of the sensor.
Claims
1. An auxiliary device for bridge load test detection, comprising a support seat (1), characterized in that: The top of the support seat (1) is fixedly connected to a storage bin (2), the inner wall of the storage bin (2) is rotatably connected to a rotating carrier (3), a plurality of storage slots (31) are provided on the rotating carrier (3), the inner walls of the plurality of storage slots (31) are slidably connected to lifting tubes (32), the inner wall of the storage bin (2) is fixedly connected to a fixed central column (4), a first telescopic machine (41) is installed in the fixed central column (4), the output end of the first telescopic machine (41) is fixedly connected to a carrier plate (42), the top of the carrier plate (42) is rotatably connected to two electric screwdrivers (43), a second telescopic machine (44) is installed in the carrier plate (42), and a mounting box is provided at the top of the rotating carrier (3). (5), both sides of the installation box (5) are slidably connected with sliding plates (51), the inner walls of the two sliding plates (51) are rotatably connected with screw rods (52), the screw rods (52) are threadedly connected to the corresponding inner walls of the installation box (5), the inner wall of the installation box (5) is fixedly connected with a spring piece (53) for pushing the sensor, the electric screwdriver (43) is plugged into one end of the corresponding screw rod (52), the side wall of the support seat (1) is rotatably connected with a U-shaped rotating bracket (6), the top of the U-shaped rotating bracket (6) is fixedly connected with an inner protective cover (61), the inner wall of the inner protective cover (61) is rotatably connected with a driving rod (62), and a cleaning brush (621) is installed at the top of the driving rod (62).
2. The auxiliary device for bridge load test detection according to claim 1 is characterized in that: The top of the lifting tube (32) is provided with a connecting slot (321), the inner wall of the connecting slot (321) is fixedly connected with a first magnetic plate (322) for adsorbing the installation box (5), and the sliding plate (51) is snap-connected to the inner wall of the corresponding connecting slot (321).
3. The auxiliary device for bridge load test detection according to claim 1 is characterized in that: Two first springs (33) are fixedly connected to the inner wall of the storage tank (31), and the first springs (33) are fixedly connected to the top end of the lifting tube (32).
4. The auxiliary device for bridge load test detection according to claim 1 is characterized in that: A second magnetic plate (531) for adsorbing a sensor is fixedly connected to the top of the spring sheet (53), and the second magnetic plate (531) is slidably connected to the inner wall of the installation box (5).
5. The auxiliary device for bridge load test detection according to claim 1 is characterized in that: The side wall of the inner protective cover (61) is slidably connected to an outer protective cover (63), and a plurality of second springs (64) are fixedly connected between the outer protective cover (63) and the inner protective cover (61).