CN219179228U

CN219179228U - Bridge acceptance monitoring device

Info

Publication number: CN219179228U
Application number: CN202222561018.1U
Authority: CN
Inventors: 王庆华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-13
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a bridge acceptance monitoring device, which comprises a camera used for radially shooting the outer side of a bridge, wherein the camera is arranged on a connecting rod frame, the connecting rod frame is fixedly arranged on a pi-shaped cover body, each side of the inner side of the cover body is provided with a roller, and each side of the roller can move in a telescopic way along the vertical direction of the side surface, so that when the roller is radially extruded, the roller can be partially retracted into the inner side wall of the cover body, but a part of the roller always keeps the surface of the inner side wall of the cover body exposed, the rollers on two sides are opposite to each other and parallel, and the roller positioned at the top is perpendicular to the axes of other rollers; one side of the cover body, which is away from the connecting rod rest, is fixed with one end of a telescopic rod, the other end of the telescopic rod is fixed with a grab handle, and a display connected with the camera is fixed on the grab handle so as to display real-time pictures shot by the camera. The monitoring device is suitable for safety and reliability, and can monitor the consistency of the relative monitoring height of the pictures for the side surface of the bridge.

Description

Bridge acceptance monitoring device

Technical Field

The utility model relates to the technical field of bridge detection equipment, in particular to a bridge acceptance monitoring device.

Background

When the bridge is tested, the appearance and other quality of the side face of the bridge are required to be checked, and the video of the side face of the bridge can be directly checked or shot on site for discussion and judgment. In the prior art, an operator or an acceptance person holds a monitoring device to stretch into the outer side of a bridge guardrail to shoot the situation of the side face of the bridge, the operator needs to look at a shooting picture while advancing, so that the operation is inconvenient, the operator cannot always keep a line when advancing, or the distance or the height of a camera relative to the side face of the bridge is difficult to keep constant, the monitoring picture of the side face of the bridge is difficult to see, the situation of the side face of the bridge is inconvenient to see, on one hand, the operator needs to pay attention to the advancing direction, on the other hand, whether the distance between the hand-held camera and the side face of the bridge is kept relatively stable, danger is easy to generate during advancing, the operator collides with the side face of the bridge for distraction during advancing, and the monitoring height between the camera and the side face of the bridge to be detected is not safe and cannot be maintained.

Disclosure of Invention

The utility model aims to solve the problems that the prior art has the defects, provides a bridge acceptance monitoring device, and solves the problems that the handheld monitor is unsafe when checking the side surface of a bridge and a monitoring picture is obviously suddenly high and suddenly low in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the bridge acceptance monitoring device comprises a camera used for radially shooting the outer side of a bridge, wherein the camera is arranged on a connecting rod frame, the connecting rod frame is fixedly arranged on a pi-shaped cover body, each side of the inner side of the cover body is provided with a roller, and each side of the roller can move in a telescopic way along the vertical direction of the side surface, so that when the roller is radially extruded, the roller can be partially retracted into the inner side wall of the cover body, but a part of the roller always keeps the surface of the inner side wall of the cover body exposed, the rollers on two sides are opposite to each other and parallel, and the roller at the top is perpendicular to the axes of the other rollers; one side of the cover body, which is away from the connecting rod rest, is fixed with one end of a telescopic rod, the other end of the telescopic rod is fixed with a grab handle, and a display connected with the camera is fixed on the grab handle so as to display real-time pictures shot by the camera.

The connecting rod frame comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are sequentially hinged end to end, wherein the first connecting rod is fixed on the cover body, the camera is hinged at the free end of the fourth connecting rod, and after all the connecting rods are hinged, the hinge parts can be fixed together.

The hinge part comprises a hinge bolt and a lock nut, wherein the optical axis section of the hinge bolt is installed in a clearance fit in a through hole on two connecting rods hinged with each other, and the thread section of the hinge bolt extends out of the through hole and is connected and fixed on the connecting rods by the lock nut.

One side of the fourth connecting rod is provided with a groove along the length direction, a guide block which is not separated from the groove is arranged in the groove in a sliding fit manner, one end of the guide block is connected with the guide block through a tension spring, the other end of the guide block is connected with a steel wire, and the steel wire is connected with a wheel disc fixed on a main shaft of a miniature motor after passing through the connecting rod frame; one end of a driving rod is fixed on the guide block, the other end of the driving rod is installed in a strip groove formed in the outer side wall of the camera in a sliding fit mode, and in the process that the driving rod moves in the strip groove, the tension spring is always in a stretching state.

The inner side wall of the cover body is provided with a groove, the positions, close to the two sides, of the groove bottom of the groove are respectively provided with a slot, a pressure-bearing spring is arranged in each slot, the axial direction of each pressure-bearing spring is perpendicular to the axis of each roller, the end part of each pressure-bearing spring is connected with a sliding post, each sliding post is arranged in each slot in a sliding fit manner, one end of each sliding post extending out of each slot is fixedly provided with a bearing seat, the rotating shafts of the rollers are rotatably arranged in the bearing seats, and when the rollers are pressed, the rollers sink into the grooves but cannot sink into the grooves.

Furthermore, a level gauge is horizontally installed on the lower side of the display. The surface of the telescopic rod or/and the connecting rod rest is also provided with a sliding hole, a sliding block is arranged in the sliding hole in a sliding fit manner, the sliding block is fixedly connected with a suspension rod extending out of the telescopic rod, and the bottom end of the suspension rod is provided with a plurality of balancing weights.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is mainly used for bridge detection acceptance of common stainless steel pipe guardrails, and the monitoring device can be movably arranged on the guardrail round pipe (the steel pipe of the guardrail) by utilizing the characteristic that the top steel pipe of the guardrail, commonly called the guardrail round pipe, is arranged along the side edge of the bridge.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of a bridge acceptance monitor according to one embodiment of the present utility model;

FIG. 2 is a diagram showing the cooperation structure of the cover body and the steel pipe;

FIG. 3 is a view of an articulation construction of the connecting rod;

FIG. 4 is a diagram of the configuration of the counterweight;

FIG. 5 is a view showing the construction of the elastic mounting of the roller;

fig. 6 is a mounting structure diagram of the camera.

The device comprises a cover body 1, a roller 2, a connecting rod rest 3, a camera 4, a steel pipe 5, a telescopic rod 6, a sliding hole 7, a balancing weight 8, a steering button 9, a grab handle 10, a display 11, a level 12, a sliding column 13, a pressure-bearing spring 14, a guide block 15, a tension spring 16, a driving rod 17, a strip groove 18, a hinge bolt 19 and a locking nut 20.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model more clear and easy to understand, the present utility model is further described below with reference to the accompanying drawings and the detailed description:

the embodiment provides a bridge acceptance monitoring device, as shown in fig. 1, including a camera 4 for radially shooting the outside of a bridge, the camera 4 is installed on a connecting rod rest 3, and the connecting rod rest 3 extends out of the outside of a guardrail so as to monitor and shoot the side surface of the bridge to acquire the information of the side surface of the bridge. In particular, during manufacturing, the connecting rod rest 3 in this embodiment is fixedly installed on a n-shaped cover 1, each side of the inner side of the cover 1 is provided with a roller 2, each roller 2 on each side can move in a telescopic manner along the direction perpendicular to the side, that is, can move in an extending or retracting manner along the side, so that when the rollers 2 are radially extruded, a part of the rollers can retract into the inner side wall of the cover 1, but always keep a part of the rollers exposed out of the surface of the inner side wall of the cover 1, the rollers 2 on two sides are opposite to and parallel to each other, the rollers 2 on the top are perpendicular to the axes of the rest rollers 2, that is, one or more groups of rollers 2 parallel to each other are arranged right above the left and right sides. And one end of a telescopic rod 6 is fixed at one side of the cover body 1 away from the connecting rod rest 3, a grab handle 10 is fixed at the other end of the telescopic rod 6, a rubber sleeve is wrapped on the surface of the grab handle 10 so as to hold the grab handle, a display 11 connected with the camera 4 is fixed on the grab handle 10 so as to display real-time pictures shot by the camera 4, therefore, when in use, the cover body 1 is covered on a steel pipe 5 of the guardrail, one side provided with the grab handle 10 is positioned at the inner side of the guardrail, one side of the connecting rod rest 3 is positioned at the outer side of the guardrail, the camera 4 just can shoot pictures at the side of a bridge, the grab handle 10 is held by hands, the grab handle 10 is slightly pressed and maintained stably, and the monitor can move along the extending direction of a round pipe of the guardrail, the camera 4 can move and shoot at a relatively constant interval position from the side face of the bridge under the guidance of the steel pipe 5 of the guardrail, the picture is relatively stable, the shooting distance of the side face of the bridge can be kept relatively consistent, the same side face is obtained, the points on the side face are at the same shooting height position, a better contrast monitoring effect is obtained, people can not walk along the bridge side by hand, the camera can be seen to be high or low relative to the side face of the bridge during side shooting, and the monitoring acceptance personnel can travel towards the front of the bridge, and is definitely safer than people can walk forward when the camera 4 extends out of the outside of the bridge for shooting. In addition, all the rollers 2 are elastically telescopic, so that the rollers can conveniently cross the supporting beam at the supporting beam position on the guardrail steel pipe 5, and interference at the supporting beam supporting steel pipe 5 is avoided, so that smooth passing of the monitoring device is influenced.

In order to enable the installation angle of the camera 4 to be adjustable, in this embodiment, as shown in fig. 1, the connecting rod rest 3 includes a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are hinged in sequence from end to end, wherein the first connecting rod is fixed on the cover body 1, the camera 4 is hinged at the free end of the fourth connecting rod, and after all the hinged parts between the connecting rods are hinged with each other, the two connecting rods can be fixed together. In actual manufacture, as shown in fig. 3, the hinge component comprises a hinge bolt 19 and a lock nut 20, wherein the optical axis section of the hinge bolt 19 is installed in the through hole on two connecting rods hinged with each other in a clearance fit manner, and the thread section of the hinge bolt 19 extends out of the through hole and is fixedly connected to the connecting rods by the lock nut 20, so that when the adjacent connecting rods form a preset included angle with each other, the assembly connection of the connecting rod rest 3 can be restored by screwing the lock nut 20.

In addition, as shown in fig. 6, in this embodiment, a groove is formed on one side of the fourth link along the length direction of the fourth link, a guide block 15 which is not separated from the groove is slidably mounted in the groove, one end of the guide block 15 is connected through a tension spring 16, the other end of the guide block is connected with a steel wire, the steel wire passes through the link frame 3 and then is connected with a wheel disc fixed on a main shaft of a micro motor, specifically, the steel wire can be adaptively arranged along the link in an extending manner, the steel wire can be arranged inside or outside the link, and the mounting and the like of the micro motor can be adaptively designed, for example, the micro motor is mounted on one side of the grab handle 10, and a start switch of the micro motor is arranged on one end of the grab handle 10. Meanwhile, one end of a driving rod 17 is fixed on the guide block 15, the other end of the driving rod 17 is installed in a bar groove 18 formed in the outer side wall of the camera 4 in a sliding fit manner, and in the process that the driving rod 17 moves in the bar groove 18, the tension spring 16 is in a stretching state all the time, when the steel wire pulls the guide block 15, the position of the driving rod 17 changes, so that the camera 4 rotates, and under the cooperation of the tension spring 16, when the steel wire is retracted, the driving rod 15 is driven to retract, and then the driving rod 17 drives reverse swing or rotation to change the angle of the camera 4, so that the shooting angle is more flexible and changeable.

For the elastic installation of the roller 2, in this embodiment, as shown in fig. 2 and 5, a groove is formed on the inner side wall of the cover body 1, slots are respectively formed at the positions close to two sides of the groove bottom of the groove, a pressure-bearing spring 14 is installed in each slot, the axial direction of the pressure-bearing spring 14 is perpendicular to the axial direction of the roller 2, the end part of the pressure-bearing spring 14 is connected with a sliding column 13, the sliding column 13 is installed in the slot in a sliding fit manner, one end of the sliding column 13 extending out of the slot is fixedly provided with a bearing seat, the rotating shaft of the roller 2 is installed in the bearing seat in a rotating manner, and when the roller 2 is pressed, the roller 2 is sunk into the groove, but not all sunk into the groove, so that the top end part of a supporting beam sleeved on the steel pipe 5 of the guardrail can be passed over, and the monitoring device can smoothly pass. In addition, the lower side of the display 11 of the present embodiment is also horizontally provided with a level 12, so that an operator can notice the changing position of the bubble in the level 12 when going forward, to determine whether the whole monitor device is greatly rotated relative to the steel pipe 5 during the process of travelling along the steel pipe 5, and to adjust the position of the monitor device in time. In order to keep balance as much as possible on two sides of the steel pipe 5 of the guardrail, as shown in fig. 4, a sliding hole 7 can be further formed in the surface of the telescopic rod 6 or/and the connecting rod frame 3, a sliding block is mounted in a sliding fit manner in the sliding hole 7, the sliding block is fixedly connected with a suspension rod extending out of the telescopic rod 6, and a plurality of balancing weights 8 are mounted at the bottom end of the suspension rod so as to properly add and subtract the balancing weights 8, so that the monitoring device can be positioned at a given balance position, and the monitoring device and the camera 4 can be more labor-saving and more conveniently maintained without swinging in the advancing process, so that a stable monitoring picture can be obtained, and the change of the side appearance of the bridge can be more sensitively and timely judged on a monitoring path.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a bridge acceptance monitoring device, including being used for radially shooting the bridge outside camera (4), its characterized in that, camera (4) are installed on a connecting rod rest (3), connecting rod rest (3) fixed mounting is on a cover body (1) that is pi type, roller (2) are installed to this cover body (1) inboard each side, roller (2) of each side can be along the perpendicular direction of this side concertina movement, so that roller (2) receive in radial extrusion can partially retract cover body (1) inside wall, but remain wherein part exposes the surface of cover body (1) inside wall all the time, roller (2) of both sides are just and parallel each other, roller (2) that are located the top sets up perpendicularly with the axis of other roller (2);

one side of the cover body (1) deviating from the connecting rod rest (3) is fixed with one end of a telescopic rod (6), the other end of the telescopic rod (6) is fixed with a grab handle (10), and a display (11) connected with the camera (4) is fixed on the grab handle (10) so as to display real-time pictures shot by the camera (4).

2. The bridge acceptance monitor of claim 1, wherein: the connecting rod rest (3) comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are sequentially hinged end to end, wherein the first connecting rod is fixed on the cover body (1), the camera (4) is hinged at the free end of the fourth connecting rod, and after all the connecting rods are hinged, the hinge parts can be fixed together.

3. The bridge acceptance monitor of claim 2, wherein: the hinge part comprises a hinge bolt (19) and a locking nut (20), wherein the optical axis section of the hinge bolt (19) is installed in a clearance fit in a through hole on two connecting rods hinged with each other, and the thread section of the hinge bolt (19) extends out of the through hole and is fixedly connected on the connecting rods by the locking nut (20).

4. A bridge acceptance monitoring device according to claim 2 or 3, characterised in that: one side of the fourth connecting rod is provided with a groove along the length direction, a guide block (15) which is not separated from the groove is arranged in the groove in a sliding fit manner, one end of the guide block (15) is connected through a tension spring (16), the other end of the guide block is connected with a steel wire, and the steel wire is connected with a wheel disc fixed on a main shaft of a miniature motor after passing through the connecting rod frame (3);

one end of a driving rod (17) is further fixed on the guide block (15), the other end of the driving rod (17) is installed in a sliding fit mode in a strip groove (18) formed in the outer side wall of the camera (4), and in the process that the driving rod (17) moves in the strip groove (18), the tension spring (16) is always in a stretching state.

5. The bridge acceptance monitor of claim 1, wherein: the novel roller bearing is characterized in that a groove is formed in the inner side wall of the cover body (1), a slot is formed in the bottom of the groove close to two sides of the groove, a pressure-bearing spring (14) is arranged in the slot, the axial direction of the pressure-bearing spring (14) is perpendicular to the axis of the roller (2), the end portion of the pressure-bearing spring (14) is connected with a sliding column (13), the sliding column (13) is arranged in the slot in a sliding fit mode, a bearing seat is fixedly arranged at one end of the sliding column (13) extending out of the slot, a rotating shaft of the roller (2) is arranged in the bearing seat in a rotating mode, and when the roller (2) is pressed, the roller (2) is sunk into the groove, but cannot be sunk into the groove completely.

6. The bridge acceptance monitor of claim 1, wherein: the lower side of the display (11) is also horizontally provided with a level gauge (12).

7. The bridge acceptance monitor of claim 1, wherein: the surface of the telescopic rod (6) or/and the connecting rod rest (3) is also provided with a sliding hole (7), a sliding block is mounted in the sliding hole (7) in a sliding fit manner, the sliding block is fixedly connected with a suspension rod extending out of the telescopic rod (6), and a plurality of balancing weights (8) are mounted at the bottom end of the suspension rod.