CN221224712U

CN221224712U - A bridge structure surface defect detection device

Info

Publication number: CN221224712U
Application number: CN202323271067.2U
Authority: CN
Inventors: 吴文骑
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-06-25
Anticipated expiration: 2033-12-01

Abstract

The utility model relates to the technical field of bridge defect detection, and discloses a bridge structure surface layer defect detection device, which comprises a platform main body, a detection assembly and a display, wherein two universal wheels are arranged on the bottom surface of one end of the platform main body; according to the utility model, when the platform main body advances, the rotating wheel is matched with the shaft rod and the transmission unit to drive the rotating shaft on the ground at the front end of the platform main body to rotate, and the rotating shaft can drive the transmission belt to rotate, so that the transmission belt can drive the cleaning strip to move along the loop through the connecting plate on the outer wall of the transmission belt, dust, sundries, foreign matters and the like on the bridge deck are swept along the two sides of the advanced platform main body, and cannot be gathered at the front end of the platform main body, so that the movement of the platform main body cannot be influenced, the bridge deck can be accurately detected by the detection assembly, the accuracy and convenience of detection are improved, and the use is convenient.

Description

Bridge structure top layer defect detection device

Technical Field

The utility model relates to the technical field of bridge defect detection, in particular to a bridge structure surface defect 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. In order to adapt to the traffic industry of modern high-speed development, bridges are also spreading to span mountain stream, poor geology or buildings which are erected to meet other traffic needs and enable the traffic to be more convenient. The bridge is generally composed 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 force transmission device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structure refers to bridge head butt strap, cone slope protection, shore protection, diversion engineering and the like; in order to ensure the standard of the bridge surface structure, a detection device is required to detect the bridge surface.

The prior art is as the patent of publication number CN218995252U discloses a bridge construction top layer defect detection device, push rod and supporting platform, the bottom of push rod and supporting platform's top fixed connection, supporting platform's top fixed mounting has the support frame, detection component. According to the utility model, when the device is used, the push rod is pushed to drive the supporting platform, so that the detection component arranged on the supporting platform detects defects of the bridge surface along with the movement of the supporting platform, if a pit is encountered, the detection column arranged on the detection component vibrates along with the pit of the bridge surface, the detection column triggers the vibration sensor arranged at the top of the detection column when vibrating, and the vibration sensor can transmit data collected by the detection column to the display arranged at the top of the supporting column, so that workers can record and observe the data conveniently, and the problems of complex work, time and labor waste in the prior art are solved.

The prior art has obvious beneficial effects, but has the following defects:

Above-mentioned brush at supporting platform front portion installation among the prior art, the brush is used for cleaning foreign matter, debris, dust etc. that the bridge floor that detects exists to prevent to detect the time because data error that foreign matter, debris lead to, debris, dust etc. drive on the bridge floor when actual use and remove, lead to foreign matter, debris, dust etc. to produce and pile up, excessive accumulation can influence supporting platform's the progress, still need the manual cleaning, lead to influencing the bridge floor detection convenience, for this reason has put forward a bridge structure top layer defect detection device.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the bridge structure surface layer defect detection device which is convenient for cleaning dust on a bridge deck, so as to detect the front surface and improve the detection accuracy.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bridge construction top layer defect detection device, including the platform main part, detect subassembly and display, two universal wheels are installed to the one end bottom surface of platform main part, two supports are installed to the one end bottom surface that the universal wheel was kept away from to the platform main part, rotate between two supports and be connected with the axostylus axostyle, the both ends fixedly connected with runner of axostylus axostyle, a plurality of cleaning units are installed to the front end bottom surface of platform main part, install the drive unit that is used for driven between axostylus axostyle and the cleaning unit, the cleaning unit includes two axis of rotation, the axis of rotation rotates with the platform main part to be connected, the outer wall sliding connection of two axis of rotation has the drive belt, the outer wall fixedly connected with connecting plate of drive belt, the cleaning strip is installed to the bottom surface of connecting plate, the axostylus axostyle passes through the drive unit and drives one of them axis of rotation.

Preferably, the number of the cleaning units is four, and the cleaning units are symmetrically distributed in pairs.

Preferably, the two symmetrical cleaning units are distributed in a splayed pattern.

Preferably, the upper end that the axis of rotation of a plurality of clean units being close to platform main part middle part runs through the platform main part, the drive unit includes two symmetrical transmission bevel gears of fixed connection at the axostylus axostyle outer wall and rotates two bevel gear axles of connecting in the platform main part, two bevel gear axles are connected with two transmission bevel gears meshing respectively, the upper end of bevel gear axle runs through the platform main part, the upper surface of platform main part rotates and is connected with two first gears, two first gears are located respectively between two axis of rotation of homonymy, the outer wall fixedly connected with second gear of axis of rotation, two homonymy second gears are connected with adjacent first gear meshing, two bevel gear axles pass through the belt respectively with be close to two axis of rotation transmission connection of axostylus axostyle, movable mounting has the protection casing in the platform main part, the upper end of first gear, second gear and bevel gear axle all is located the protection casing.

Preferably, the front end width of the platform body is greater than the maximum spacing of the two wheels, and one of the axes of rotation in the cleaning unit is distributed beyond the outer wall of the wheels.

Preferably, the cleaning unit further comprises a plurality of limiting ring grooves formed in the bottom surface of the platform main body, the upper end of the connecting plate is fixedly connected with a sliding block, and the sliding block is in sliding connection with the limiting ring grooves.

Preferably, the cleaning unit further comprises a limiting groove formed in the bottom surface of the connecting plate, and the upper end of the cleaning strip is movably inserted into the limiting groove.

Preferably, the cleaning strips in the two cleaning units close to the end part of the platform main body are metal rakes, and the cleaning strips in the other two cleaning strips are soft brushes.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, when the platform main body advances, the rotating wheel is matched with the shaft rod and the transmission unit to drive the rotating shaft on the ground at the front end of the platform main body to rotate, and the rotating shaft can drive the transmission belt to rotate, so that the transmission belt can drive the cleaning strip to move along the loop through the connecting plate on the outer wall of the transmission belt, dust, sundries, foreign matters and the like on the bridge deck are swept along the two sides of the advanced platform main body, and cannot be gathered at the front end of the platform main body, so that the movement of the platform main body cannot be influenced, the bridge deck can be accurately detected by the detection assembly, the accuracy and convenience of detection are improved, and the use is convenient.

2. The transmission unit is driven by the rotation of the rotating wheel and the rotation of the shaft lever, so that the cleaning bar can move along the loop to clean the bridge deck, and the utility model has the advantages of simple structure, convenient use and low manufacturing cost.

3. According to the utility model, the four cleaning units are arranged and are symmetrically distributed in pairs, and the two symmetrical cleaning units are distributed in a splayed shape, so that dust, sundries, foreign matters and the like on the bridge deck can be conveyed to the rear sides of the platform main body, the resistance can be reduced, and the bridge deck can be cleaned conveniently.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the transmission unit of the present utility model;

FIG. 3 is a schematic view of a cleaning unit according to the present utility model;

FIG. 4 is a schematic structural view of the connection mode of the connecting plate and the cleaning strip.

In the figure: 1. a platform body; 2. a detection assembly; 3. a display; 4. a transmission unit; 41. a protective cover; 42. a transmission bevel gear; 43. an umbrella tooth shaft; 44. a second gear; 45. a first gear; 5. a cleaning unit; 51. a rotating shaft; 52. a transmission belt; 53. a connecting plate; 54. a cleaning bar; 55. a limit ring groove; 56. a slide block; 57. a limit groove; 6. a universal wheel; 7. a bracket; 8. a shaft lever; 9. a rotating wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present utility model, based on the embodiments herein.

Referring to fig. 1-4, the bridge structure surface defect detection device of the present embodiment includes a platform main body 1, a detection assembly 2 and a display 3, two universal wheels 6 are installed on one end bottom surface of the platform main body 1, two brackets 7 are installed on one end bottom surface of the platform main body 1 far away from the universal wheels 6, a shaft lever 8 is rotatably connected between the two brackets 7, two ends of the shaft lever 8 are fixedly connected with a rotating wheel 9, a plurality of cleaning units 5 are installed on the front end bottom surface of the platform main body 1, a transmission unit 4 for transmission is installed between the shaft lever 8 and the cleaning units 5, the cleaning units 5 include two rotating shafts 51, the rotating shafts 51 are rotatably connected with the platform main body 1, a driving belt 52 is slidably connected with the outer walls of the two rotating shafts 51, a connecting plate 53 is fixedly connected with the outer walls of the driving belt 52, a cleaning bar 54 is installed on the bottom surface of the connecting plate 53, and the shaft lever 8 drives one of the rotating shafts 51 to rotate through the transmission unit 4.

As shown in fig. 1-3, the bridge structure surface defect detection device in the utility model has a structure similar to that of the existing bridge structure surface defect detection device, such as a bridge structure surface defect detection device disclosed in patent publication No. CN218995252U, and the main improvement point of the utility model is that dust on a bridge deck is conveniently cleaned so as to facilitate detection of the front surface and improve detection accuracy; in the utility model, the platform main body 1, the detection component 2 and the display 3 are all in the prior art, the detection component 2 and the display 3 are both arranged on the platform main body 1, the detection component 2 can detect the bridge deck, and the display 3 displays detection data, so that the prior art does not describe the bridge deck more; when the bridge floor is required to be detected, the platform main body 1 is pushed to drive the universal wheels 6, the rotating wheels 9 and the ground to rotate, so that the universal wheels 6 can turn, the shaft lever 8 is driven to rotate in the rotating process of the rotating wheels 9, the shaft lever 8 is supported by the support 7, the shaft lever 8 drives one rotating shaft 51 in the cleaning unit 5 to rotate through the transmission unit 4, the rotating shaft 51 drives the transmission belt 52 to rotate, so that the other rotating shaft 51 synchronously rotates, the two rotating shafts 51 support the transmission belt 52, the transmission belt 52 is made of soft materials, the transmission belt 52 drives the connecting plate 53 on the outer wall of the transmission belt 52 to move along a loop, the connecting plate 53 drives the cleaning strip 54 to move, so that dust, sundries, foreign matters and the like on the bridge floor can not gather at the front end of the platform main body 1, the movement of the platform main body 1 can not be influenced, the detection assembly 2 can accurately detect the bridge floor, the accuracy and convenience of detection are improved, and the bridge floor is convenient to use; the contact surface portion of the connecting plate 53 or the rotating shaft 51 and the driving belt 52 may be made of soft materials, so that the driving belt 52 drives the connecting plate 53 to move along the loop.

As shown in fig. 3, the number of the cleaning units 5 is four, and the cleaning units are symmetrically distributed in pairs; by arranging two groups of cleaning units 5, the cleaning effect can be improved, and the detection effect on the bridge deck is better.

As shown in fig. 3, two symmetrical cleaning units 5 are distributed in a splayed shape; the splayed cleaning units 5 can convey dust, sundries, foreign matters and the like on the bridge deck to the rear sides of the platform main body 1, so that resistance can be reduced, and the bridge deck can be cleaned conveniently.

As shown in fig. 1-3, the upper ends of the rotating shafts 51 of the cleaning units 5 near the middle part of the platform main body 1 penetrate through the platform main body 1, the transmission unit 4 comprises two symmetrical transmission bevel gears 42 fixedly connected to the outer wall of the shaft lever 8 and two bevel gear shafts 43 rotatably connected to the platform main body 1, the two bevel gear shafts 43 are respectively meshed with the two transmission bevel gears 42, the upper ends of the bevel gear shafts 43 penetrate through the platform main body 1, the upper surface of the platform main body 1 is rotatably connected with two first gears 45, the two first gears 45 are respectively positioned between the two rotating shafts 51 on the same side, the outer wall of the rotating shaft 51 is fixedly connected with a second gear 44, the two second gears 44 on the same side are meshed with the adjacent first gears 45, the two bevel gear shafts 43 are respectively in transmission connection with the two rotating shafts 51 near the shaft lever 8 through belts, the protective cover 41 is movably mounted on the platform main body 1, and the first gears 45, the second gears 44 and the upper ends of the bevel gear shafts 43 are respectively positioned in the protective cover 41; when the rotating wheel 9 rotates, the transmission bevel gear 42 is driven to rotate through the shaft lever 8, the transmission bevel gear 42 drives the bevel gear shaft 43 to rotate, the bevel gear shaft 43 drives the two rotating shafts 51 close to the shaft lever 8 to rotate through a belt, the rotating shafts 51 drive the second gears 44 on the outer wall of the bevel gear shaft to rotate, the two second gears 44 drive the two first gears 45 to rotate respectively, the two first gears 45 drive the two rotating shafts 51 far away from the shaft lever 8 to rotate through the second gears 44, so that the cleaning strips 54 are driven to move along a loop to clean a bridge floor by the movement of the rotating wheel 9, the whole structure is simple, the movement operation of the cleaning strips 54 is realized by the rotating force of the rotating wheel 9, the practicability is improved, and the manufacturing cost is low; the protection cover 41 can protect the first gear 45, the second gear 44 and the bevel gear shaft 43, and reduce the influence caused by ash falling and the like.

As shown in fig. 3, the front end width of the platform body 1 is larger than the maximum distance between the two rotating wheels 9, and one of the rotating shafts 51 in the cleaning unit 5 is distributed beyond the outer wall of the rotating wheel 9; when the cleaning strip 54 rotates along the loop, dust, sundries, foreign matters and the like on the bridge deck can be sent to the outer side of the rotating wheel 9, so that the dust, sundries, foreign matters and the like are prevented from blocking the movement of the rotating wheel 9, and the practicability and the convenience in use are improved.

As shown in fig. 3 and 4, the cleaning unit 5 further includes a plurality of limiting ring grooves 55 formed on the bottom surface of the platform main body 1, a sliding block 56 is fixedly connected to the upper end of the connecting plate 53, and the sliding block 56 is slidably connected with the limiting ring grooves 55; when the connecting plate 53 is driven to move by the driving belt 52, the sliding block 56 at the upper end of the connecting plate 53 slides along the limiting ring groove 55, the limiting ring groove 55 can limit the connecting plate 53 through the sliding block 56, the strength and the stability of the connecting plate 53 are improved, and the cleaning strip 54 can stably clean the bridge deck.

As shown in fig. 4, the cleaning unit 5 further includes a limit groove 57 provided on the bottom surface of the connecting plate 53, and the upper end of the cleaning strip 54 is movably inserted into the limit groove 57; the cleaning strip 54 is connected with the connecting plate 53 through the upper end of the cleaning strip 54 and the limiting groove 57 in an inserting mode, so that the cleaning strip 54 is convenient to replace and maintain, and the practicability is improved.

As shown in fig. 3 and 4, the cleaning strips 54 in the two cleaning units 5 near the end of the platform main body 1 are metal rakes, and the cleaning strips 54 in the other two cleaning strips 54 are soft brushes; the metal rake cleaning strip 54 is arranged at the end part of the platform main body 1 in the advancing direction and can convey and clean larger sundries, broken stones and the like on the bridge deck, and the cleaning strip 54 of the soft brush can sweep and clean dust on the bridge deck, so that the adaptability is improved, and the use is convenient.

The steps are implemented in this embodiment: when the bridge deck needs to be detected, the platform main body 1 is pushed, the universal wheel 6, the rotating wheel 9 and the ground are driven to rotate, the shaft lever 8 is driven to rotate by the rotating wheel 9 in the process of moving the rotating wheel 9, the transmission bevel gear 42 is driven to rotate by the shaft lever 8, the bevel gear shaft 43 drives the two rotating shafts 51 close to the shaft lever 8 to rotate by the belt, the second gears 44 on the outer walls of the rotating shafts 51 are driven to rotate by the rotating shafts 51, the two first gears 45 drive the two rotating shafts 51 far away from the shaft lever 8 to rotate by the second gears 44, the rotating shafts 51 drive the driving belt 52 to rotate, the other rotating shafts 51 synchronously rotate, the two rotating shafts 51 support the driving belt 52, the connecting plate 53 on the outer walls of the driving belt 52 moves along a loop, and the connecting plate 53 drives the cleaning strips 54 to move, so that the cleaning strips 54 sweep dust, sundries, foreign matters and the like on the ground forward on the two sides of the platform main body 1, dust, sundries, foreign matters and the like, cannot gather on the front end of the platform main body 1, so that the movement of the platform main body 1 cannot be influenced, and the movement of the platform main body 1 is convenient for detecting assembly 2 to accurately detect.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a bridge construction top layer defect detection device, including platform main part (1), detection component (2) and display (3), a serial communication port, two universal wheels (6) are installed to the one end bottom surface of platform main part (1), two supports (7) are installed to the one end bottom surface that universal wheels (6) are kept away from to platform main part (1), rotate between two supports (7) and be connected with axostylus axostyle (8), both ends fixedly connected with runner (9) of axostylus axostyle (8), a plurality of cleaning unit (5) are installed to the front end bottom surface of platform main part (1), install between axostylus axostyle (8) and the cleaning unit (5) and be used for driven drive unit (4), cleaning unit (5) are including two axis of rotation (51), axis of rotation (51) are connected with platform main part (1) rotation, outer wall sliding connection of two axis of rotation (51) has drive belt (52), outer wall fixedly connected with connecting plate (53), cleaning strip (54) are installed to the bottom surface of connecting plate (53), axostylus axostyle (8) drives one of rotation (51) through drive unit (4).

2. The bridge construction skin defect detection device according to claim 1, wherein the number of cleaning units (5) is four and the cleaning units are symmetrically distributed in pairs.

3. The bridge construction skin defect detection device according to claim 2, characterized in that two symmetrical cleaning units (5) are distributed in a splay shape.

4. A bridge construction surface defect detection device according to claim 3, characterized in that the upper ends of the rotating shafts (51) of the cleaning units (5) near the middle part of the platform main body (1) penetrate the platform main body (1), the transmission unit (4) comprises two symmetrical transmission bevel gears (42) fixedly connected to the outer wall of the shaft lever (8) and two bevel gear shafts (43) rotatably connected to the platform main body (1), the two bevel gear shafts (43) are respectively connected with the two transmission bevel gears (42) in a meshed manner, the upper ends of the bevel gear shafts (43) penetrate the platform main body (1), the upper surfaces of the platform main body (1) are rotatably connected with two first gears (45), the two first gears (45) are respectively located between the two rotating shafts (51) on the same side, the outer wall of the rotating shafts (51) is fixedly connected with a second gear (44), the two second gears (44) on the same side are in meshed connection with the adjacent first gears (45), the two bevel gear shafts (43) are respectively connected with the two rotating shafts (51) near the protection cover main body (8) in a transmission manner through belts, the upper ends of the bevel gear shafts (43) are respectively located on the two bevel gears (41), and the second gears (41) are movably located on the two bevel gears (41) and the inner ends of the protection cover (41).

5. The bridge construction skin defect detection device according to claim 2, wherein the front end width of the platform body (1) is larger than the maximum distance between the two rotating wheels (9), and the distribution of one rotating shaft (51) in the cleaning unit (5) exceeds the outer wall of the rotating wheels (9).

6. The bridge structure surface layer defect detection device according to claim 1, wherein the cleaning unit (5) further comprises a plurality of limiting ring grooves (55) formed in the bottom surface of the platform main body (1), a sliding block (56) is fixedly connected to the upper end of the connecting plate (53), and the sliding block (56) is in sliding connection with the limiting ring grooves (55).

7. The bridge construction surface layer defect detection device according to claim 6, wherein the cleaning unit (5) further comprises a limit groove (57) formed on the bottom surface of the connecting plate (53), and the upper end of the cleaning strip (54) is movably inserted into the limit groove (57).

8. The bridge construction surface defect detection device according to claim 2, wherein the cleaning strips (54) in the two cleaning units (5) near the end of the platform main body (1) are metal rakes, and the cleaning strips (54) in the other two cleaning strips (54) are soft brushes.