CN211083357U

CN211083357U - Bridge body inspection device

Info

Publication number: CN211083357U
Application number: CN201921954987.5U
Authority: CN
Inventors: 周希茂; 胡学亮; 虢得华; 樊超; 李福如; 郑晨; 尹宜水; 张士民; 刘友坤; 赵一波; 姜新雪
Original assignee: Shandong Expressway Qingdao Construction Management Co ltd; Shandong High Speed Group Co Ltd; Shandong Hi Speed Engineering Inspection and Testing Co Ltd
Current assignee: Shandong Expressway Qingdao Construction Management Co ltd; Shandong High Speed Group Co Ltd; Shandong Hi Speed Engineering Inspection and Testing Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-24
Anticipated expiration: 2029-11-13

Abstract

The utility model provides a bridge roof beam body inspection device, including the telescopic link, rotate the steering column of being connected and install the camera device at the steering column front end with the telescopic link, be equipped with the signal transmission module of being connected through transmission cable and camera device on the telescopic link, signal transmission module can convey the image signal that camera device gathered in real time to rather than on the signal reception terminal equipment through wireless network connection, can the real-time observation bridge roof beam body on signal reception terminal equipment apparent, and directly shoot and automatic serial number is stored when discovering the disease. The front end of the camera device is provided with a transparent scale which can directly measure the size of the diseases on the surface of the beam body. The bridge body inspection device provided by the utility model realizes the direct observation of the apparent diseases of the small clearance bridge, and can determine the sizes of the diseases and accurately record the sizes of the diseases in time; the device is simple and convenient to operate, can be operated by a single person, and greatly improves the working efficiency.

Description

Bridge body inspection device

Technical Field

The utility model relates to a bridge safety inspection device especially relates to a bridge roof beam body inspection device.

Background

In the bridge safety detection, the condition of the surface of a bridge structure can visually reflect the condition of internal diseases of the structure, and the existing relevant specifications have clear requirements on the comprehensive detection of the surface of a bridge body. At present, in the actual detection operation process, the defects such as fine cracks on the appearance of the bridge deck are generally on the order of 0.1mm, and in order to achieve a good detection effect, the bridge deck needs to be carefully observed in a short distance by means of auxiliary equipment such as a bridge inspection vehicle, a climbing ladder and a high-magnification telescope.

However, in practical applications, there are situations where conventional technologies cannot be applied, such as highways, provinces and counties built in plains and hilly lands, and the clearance height of various kinds of overpasses, river-crossing bridges and passage bridges on the routes is generally below 6m, especially the number of such bridges on highways is large, and the bridge inspection vehicles cannot be used due to insufficient safe working space.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a bridge roof beam body inspection device for it is inaccurate to the clearance height to be less than 6m bridge roof beam body disease observation among the solution prior art, can't correctly evaluate the true situation problem of bridge.

In order to achieve the above objects and other related objects, the utility model provides a bridge roof beam body inspection device, including telescopic link, steering column and camera device, the telescopic link includes the multisection tube coupling, the steering column rotationally connects on the telescopic link, camera device installs the steering column front end, its characterized in that: the camera device comprises two stabilizing supports which are symmetrically distributed, a lens supporting rod which is horizontally fixed between the two stabilizing supports, a camera which is fixed on the lens supporting rod, and a transparent scale of which the two ends are respectively fixed at the front ends of the two stabilizing supports and are parallel to the lens supporting rod.

Further, the beam body inspection device further comprises a signal transmission module connected with the camera device through a transmission cable.

Furthermore, the beam body inspection device also comprises a signal receiving terminal device connected with the signal transmission module through a wireless network.

Preferably, the telescopic rod is connected with the steering rod through a steering joint, and the steering joint is fixed on the telescopic rod.

Preferably, the steering rod comprises a pipe body, a joint lug plate connected with the steering joint and a joint thread sleeve connected with the pipe body and the joint lug plate.

Preferably, the steering joint comprises two parallel fixed lug plates which are oppositely arranged, a fixed bolt for connecting the two fixed lug plates, two fixed lug plates and a rotating shaft bolt between the two fixed lug plates, and the fixed lug plates and the joint lug plates are provided with mutually matched occlusion structures.

Preferably, the stabilizing support of the camera device is fixed on a fixing plate with an arc-shaped concave middle part, a fixing clamping plate matched with the fixing plate and with an arc-shaped arched middle part is arranged on the fixing plate, the fixing clamping plate and the fixing clamping plate are fixed together through bolts, a through hole is formed in the middle, and the steering rod penetrates through the through hole for fixing.

Preferably, the lens support rod is a hollow rod, the steering rod comprises a tube body, and the tube body penetrates through the through hole and is inserted into the lens support rod to form a T-shaped communicating tube with the lens support rod.

Preferably, a transmission cable of the camera device sequentially passes through the lens supporting rod and the tube body of the steering rod.

Preferably, the front ends of the two stabilizing supports are respectively provided with a rolling bearing.

As above, the utility model provides a bridge roof beam body inspection device has following beneficial effect:

1. under the condition that does not possess and use bridge inspection car, the utility model discloses can solve the bridge roof beam body surface inspection when the structure height is less than 6m to and big section case roof beam internal surface inspection, can real-time supervision shoot, confirm the disease size, in time accurate record.

2. The device changes the mode of looking up at the work by depending on auxiliary tools such as a telescope and a climbing ladder, and reduces the working strength and the safety risk.

3. The utility model discloses the major structure material of device design can adopt the high-strength aluminum alloy material, and whole weight is less than 5kg, and personnel are easy operation alone convenient.

4. The utility model discloses still can adopt the high definition digtal camera who takes the light source to carry out the closely observation that lasts to bridge structures, high definition digtal camera image acquisition resolution ratio is adjustable, can adapt to video and image acquisition requirement. And can be configured with two cameras, effectively increase the scanning inspection operation width to 0.5m-0.8m, and improve the working efficiency.

Drawings

Fig. 1 is a schematic structural view of the bridge beam inspection device according to an embodiment of the present invention.

Fig. 2 is a schematic view showing the structure of the knuckle of fig. 1.

Fig. 3 is shown as a side view in fig. 2.

Fig. 4 is a schematic structural diagram of the image pickup device in fig. 1.

Fig. 5 is a schematic structural diagram of the camera head in fig. 4.

Fig. 6 is an enlarged schematic view of the fixing plate of fig. 4.

Fig. 7 shows the schematic diagram of the appearance inspection of the side surface of the box girder web according to the present invention.

Fig. 8 shows a schematic view of the appearance inspection of the bottom surface of the box girder according to the present invention.

Description of the element reference numerals

1 telescopic rod 21 fixing bolt

2 steering joint 22 steering bolt

3 steering rod 23 fixed tooth plate

24 ear plates of 4 camera device

41 camera 25 connecting bolt

42 lens supporting rod 31 steering rod tube

43 stabilizing strut 32 joint lug

44 fixed plate 33 connecting screw sleeve

45 antifriction bearing 411 sensitization camera lens

46 transparent scale 412L ED lamp

47 fixed splint 413 integrated chip

5 fixed joint of transmission cable 414

6 signal transmission module

7 signal receiving terminal equipment

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes, should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that can be achieved. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1, the present invention provides a bridge body inspection device, which includes a telescopic rod 1, a steering rod 3 and a camera device 4. The telescopic rod 1 consists of a plurality of pipe joints with diameters decreasing in sequence, the steering rod 3 is rotationally fixed on the telescopic rod 1, and the camera device 4 is detachably arranged at the front end of the steering rod 3. In the embodiment, the telescopic rod 1 is composed of three sections of high-strength aluminum alloy pipes with diameters sequentially reduced and lengths of 1.6-1.9m, plastic rotary fastening clamps are arranged among the pipe sections, the aluminum alloy pipes are pulled and fixed to proper lengths through the plastic rotary fastening clamps, and fixing nuts in threaded connection with the steering connectors 2 are welded in the upper end pipes of the uppermost aluminum alloy pipes. The steering rod 3 comprises a high-strength aluminum alloy pipe body 31, a joint lug plate 32 connected with the steering joint 2 and a joint thread sleeve 33 connecting the pipe body 31 and the joint lug plate 32. Referring to fig. 2 to 3, the steering joint 2 includes two ear plates 24 disposed in parallel and oppositely, a fixing bolt 21 for reinforcing the two ear plates 24, and a rotating shaft bolt 22 connected to the steering rod 3, the ear plates 24 are elastically deformed under the extrusion of an external pressure, a fixing tooth plate 23 engaged with a joint ear plate 32 of the steering rod 3 is disposed on the inner side of the ear plates 24, specifically, gears engaged with each other are disposed on the inner side of the fixing tooth plate 23 and the outer side of the joint ear plate 32, and when the steering bolt 21 is loosened, a gap between the joint ear plate 32 and the fixing tooth plate 23 separates the gears engaged with each other, thereby realizing the relative rotation between the joint ear plate 32 and the fixing tooth plate 23. The lower end of the lug plate 24 is provided with a connecting bolt 25 connected with the telescopic rod 1, the steering joint 2 is connected with a fixing nut at the upper end of the telescopic rod 1 through the connecting bolt 25 at the lower end, the joint lug plate 32 of the steering rod 3 is inserted into the middle of the lug plates 24 and is fixedly connected through the rotating shaft bolt 22, the rotating shaft bolt 22 provides a rotating central shaft for the steering rod 3, and preferably, the rotating shaft bolt 22 is offset relative to the telescopic rod 1 and the fixing bolt 21, so that the steering rod 3 can rotate at least within the angle range of 0-180 degrees, the nut on the rotating shaft bolt 22 is screwed, the lug plates 24 on the steering joint 2 deform under the extrusion of the nut, the fixed tooth plate 23 is extruded inwards, the fixed tooth plate 23 is tightly engaged with the joint lug plate 32 of the steering rod 3, and a fixing effect is.

Referring to fig. 4, the image capturing device 4 includes two symmetrically distributed stabilizing brackets 43, a lens supporting rod 42 horizontally fixed between the two stabilizing brackets 43, a camera 41 fixed on the lens supporting rod 42, and a transparent ruler 46 having two ends respectively fixed at the front ends of the two stabilizing brackets 43 and parallel to the lens supporting rod 42. In this embodiment, two stabilizing brackets 43 of the camera device 4 are inverted "eight" shaped, the rear ends thereof are symmetrically welded at two ends of a rectangular fixing plate 44, the inside of the lens supporting rod 42 is hollow, the lens supporting rod is horizontally placed between the two stabilizing brackets 43, the two ends thereof are respectively welded on the two stabilizing brackets 43, two ends of the lens supporting rod 42 are respectively and vertically provided with a camera 41, a transparent scale 46 is horizontally arranged between the two stabilizing brackets 43 and is used as a size reference for a surface defect of a bridge, two ends of the transparent scale 46 are respectively fixed at the front ends of the two stabilizing brackets 43 through conical screws, the minimum scale is 1mm, one large scale is arranged at intervals of 1cm from the center to the two ends, the color of the scale is selected to be red, when a defect is found, basic size parameters such as the width and the length of the defect can be directly read. A rolling bearing 45 is respectively arranged outside the transparent scale 46 and at the front end of the stabilizing support 43, so that the sliding on the surface of the beam body is convenient to detect, and the working efficiency is improved.

The camera DJI Da Jiang Osmo Action smart eye sports camera adopted in the embodiment has good picture stability in the sports shooting process, the camera also has a night vision function, and is convenient to shoot the top position of an upper bridge component such as a cover beam in a dark environment, specific parameters of the camera are shown in table 1. the camera 41 comprises a photosensitive lens 411, L ED lamps 412 and an integrated chip 413, see fig. 5, the camera 41 is installed on fixed joints 414 at two ends of a lens supporting rod 42, L ED lamps 412 are distributed around the photosensitive lens 411, sufficient light sources are provided when the camera 41 works, the brightness of the light sources is controlled by controlling the number of L ED lamps, the integrated chip 413 realizes the control function of the photosensitive lens 411 and the L ED lamps, a transmission cable 5 connected from the integrated chip 413 passes through the inside the lens supporting rod 42, see fig. 6, the middle of a fixed plate 44 of the camera 4 is arc-shaped and concave, one surface of a stable bracket 43 which is not welded with the fixed clamp plate 47 matched with the fixed with the middle of the arc-shaped, the two clamp plates are fixed together through 4 fastening bolts, the middle of the cable is formed into an arc-shaped through hole, the through which the through hole 3, the through hole is inserted into a through hole of the lens supporting rod, a steering rod, a through which is inserted into a telescopic rod, a through rod.

Table 1:

the bridge inspection device further comprises a signal transmission module 6 connected with the camera device 4 through a transmission cable 5, and the signal transmission module 6 can be connected with a signal receiving terminal device 7 (a smart phone, a tablet computer and the like) through wireless (wifi, 4G, Bluetooth and the like). In this embodiment, the transmission cable 5 includes two parts, namely a power supply line and a signal transmission line, and the transmission cable 5 is led out from the integrated chip 413, sequentially passes through the lens support rod 42, the steering rod 3 and the telescopic rod 1, and is connected with the signal transmission module 6 mounted on the telescopic rod; signal transmission module 6 installs at 1 lower extreme of telescopic link, internally mounted has chargeable, can dismantle the battery, for the power supply of whole device, can pass through wireless transmission with the image information of camera device 4 collection to signal reception terminal equipment 7 simultaneously, and accessible signal reception terminal equipment 7 carries out corresponding processing, for example, can install dedicated application program (APP) on signal reception terminal equipment 7, when discovering the disease, can shoot photo or video through special APP, signal reception terminal equipment 7 numbers the photo or the video automation of shooting and stores. In another embodiment, the image or video may be recorded only by the image pickup device, and the data may be derived and processed after the examination is completed.

The following describes a method for using the bridge body inspection device provided by the present invention with reference to fig. 7 to 8. Before the appearance inspection of the bridge body is carried out, firstly, the angle between the steering rod 3 and the telescopic rod 1 is adjusted according to the actual condition of the inspected bridge, firstly, the nut of the rotating bolt 22 is loosened, the steering rod 3 is rotated to a proper angle, and then, the nut of the steering shaft bolt 22 is screwed down, so that the fixed dental lamina 23 and the steering rod 3 are tightly meshed together, and a good fixing effect is achieved; then, each pipe section of the telescopic rod 1 is stretched and fixed by rotating the fastening card. The power switch of the signal transmission module 6 is turned on, the switch of the tablet personal computer 7 is connected with the two through a Wifi wireless network, the signal transmission module 6 and the tablet personal computer 7 can be automatically matched and connected after being connected for the first time, then the camera device 4 is placed on the surface of the beam body to be detected, and the special APP installed on the tablet personal computer is used for adjusting the light source intensity of the special APP to enable the imaging effect to meet the requirements. The telescopic link 1 is held to operating personnel and is removed the detection, makes camera device 4 freely slide along the roof beam body surface and move ahead, and the testing personnel observes panel computer 7 in real time and in time follows up and adjust observation angle when sliding, when meetting apparent disease, directly uses panel computer 7 to shoot picture or video. The transparent scale 43 mounted on the camera 4 can be used as a size reference of a bridge surface defect, and when the defect is found, some basic size parameters such as width and length of the defect can be directly read so as to accurately judge the grade of the defect. The tablet computer 7 has the functions of automatic storage and numbering, and can automatically number the collected pictures and image data. After the bridge detection is finished, the picture and image data collected by the signal receiving terminal device 7 are exported to a computer hard disk, and then matched and sorted with the field record data to provide basic data for the detection report.

To sum up, the utility model provides a bridge roof beam body inspection device, the high definition digtal camera of taking the light source carries out the closely observation that lasts to the bridge construction, and high definition digtal camera image acquisition resolution ratio is adjustable, can adapt to video and image acquisition requirement. The double cameras can effectively increase the scanning inspection operation width to 0.5-0.8 m, and improve the working efficiency; under the condition that the bridge inspection vehicle is not used, the utility model can solve the problems of the surface inspection of the bridge body when the structure height is less than 6m and the surface inspection of the large-section box girder, can observe and shoot in real time, determine the size of the disease and accurately record in time; the device changes the original mode of looking up by depending on auxiliary tools such as a telescope and a climbing ladder, and reduces the working strength and the safety risk; the utility model discloses the major structure material of device design is the high-strength aluminum alloy material, and whole weight is less than 5kg, and personnel are easy operation alone convenient. The utility model discloses effectively overcome all kinds of shortcomings in the prior art and had high industry value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a bridge roof beam body inspection device, includes telescopic link, steering column and camera device, the telescopic link includes multisection tube coupling, the steering column rotationally connects on the telescopic link, camera device installs the steering column front end, its characterized in that: the camera device comprises two stabilizing supports which are symmetrically distributed, a lens supporting rod which is horizontally fixed between the two stabilizing supports, a camera which is fixed on the lens supporting rod, and a transparent scale of which the two ends are respectively fixed at the front ends of the two stabilizing supports and are parallel to the lens supporting rod.

2. The bridge beam inspection device of claim 1, wherein: the beam body inspection device further comprises a signal transmission module connected with the camera device through a transmission cable.

3. The bridge beam inspection device of claim 2, wherein: the beam body inspection device also comprises a signal receiving terminal device connected with the signal transmission module through a wireless network.

4. The bridge beam inspection device of claim 1, wherein: the telescopic rod is connected with the steering rod through a steering joint, and the steering joint is fixed on the telescopic rod.

5. The bridge beam inspection device of claim 4, wherein: the steering rod comprises a pipe body, a joint lug plate connected with the steering joint and a joint thread sleeve connected with the pipe body and the joint lug plate.

6. The bridge beam inspection device of claim 5, wherein: the steering joint comprises two parallel oppositely-arranged fixed lug plates, a fixed bolt for connecting the two fixed lug plates, two fixed lug plates and a rotating shaft bolt between the two fixed lug plates, wherein the fixed lug plates and the joint lug plates are provided with mutually-matched occlusion structures.

7. The bridge beam inspection device of claim 1, wherein: the stabilizing support of the camera device is fixed on a fixing plate with an arc concave middle part, a fixing clamping plate matched with the fixing plate and with an arc arched middle part is arranged on the fixing plate, the fixing clamping plate and the fixing clamping plate are fixed together through bolts, a through hole is formed in the middle, and the steering rod penetrates through the through hole to be fixed.

8. The bridge beam inspection device of claim 7, wherein: the lens support rod is a hollow rod, the steering rod comprises a pipe body, the pipe body penetrates through the through hole and is inserted into the lens support rod, and a T-shaped communicating pipe is formed between the pipe body and the lens support rod.

9. The bridge beam inspection device of claim 8, wherein: and a transmission cable of the camera device sequentially penetrates through the lens supporting rod and the tube body of the steering rod.

10. The bridge beam inspection device of claim 1, wherein: and rolling bearings are respectively installed at the front ends of the two stabilizing supports.